Installing an electronic lock yourself. What is good about an electronic lock on the front door - what they are and where they are used

Electronic locks are now replacing conventional locking systems. More recently, these locks were used only in public buildings.

Electric lock on front door has many advantages when compared with standard locks of any class:

1. The mechanism of many locking devices has long been familiar to “interested parties.” Well, the well itself and the handle will tell a professional a lot, but choosing necessary tools and the methods of work are already a trivial matter.
2. These locks are not visible either from the inside or from outside doors, because They dont have keyhole. It can be installed anywhere along the entire area of ​​the door; if there is a desire to break in, then first you will have to find it - this is not feasible without special device. The advantage of an electric lock on the front door is that they do not have mechanical keys - in frequent cases they are lost, and they are also easy to counterfeit.

This lock can only be opened with plastic cards, touch keys, a GSM beacon, or a signal from a radio key fob, based on the principle of entering a code. The most advanced electric locks are capable of reading biometric parameters, for example, the retina or fingerprints of the owners of a house or apartment.

An electric lock for the front door is sold everywhere. The cost of electromagnetic ones is much higher compared to electromechanical ones. The advantages include reliability, wear resistance and excellent anti-burglary performance. The price may depend on the modification of the lock. The approximate cost of locks is from 1 thousand rubles.

Advantages and disadvantages

The advantages of the simplest electronic mechanical locks include the fact that they are opened from the outside with a key, and from the inside - with a special button.

For example, if a key is accidentally pressed and a person remains at home, but the door is not slammed, the door will remain open. There are also electric motor locks. They include an electrical control structure for the bolt (locking the door) and an electronic motor that controls the bolt.

The bolt is locked in such a way that it is impossible to press the door itself. In addition, these locks can work in different modes, bolts can close in different ways, it depends on the level of protection at the moment of closing.

Simple design features friction-free locks give an advantage to electric locks on the front door. They hold closed door thanks to a powerful electric magnet that attracts power supply with energy. They are trying to somehow combat this problem by using a variety of additional devices.

Electromagnetic locks should not be installed if there is no source of constant power supply. The newest, faster and more reliable structure is a solenoid lock that controls the bolt thanks to a magnet. The advantages include combined electric motor and magnetic structures. This system will also work when the electricity is turned off, and the door itself will be closed.

Important point! Electric locks come with different control structures - both remote and contact. They use electronic locks, magnetic cards, radio key fobs and keys with a code. The disadvantage is that they are dependent on energy consumption.

Types and purchase of electric locks

Electric locks are electromagnetic and electromechanical:

1. The first type of lock is based on an electromagnetic field created by applying voltage. Thanks to its effect, the mechanical bar reliably fixes and holds the door in the closed position.
2. An electromechanical lock operates on a short-term voltage supply. This system does not require a stable voltage - energy is supplied only when the door is opened.

An electric lock can be purchased for use together with an intercom, a keypad with a code and a device that reads plastic cards. You can buy this lock and put it on any door; these locks are dominated by devices that specifically close the door and are thus able to ensure the operation of any electrical and electrical equipment without any interruptions. magnetic locks.

If you purchase an electric lock, you can also consider the closing speed; it is determined by special control valves. The system of this closure must correspond to the weight and dimensions of the door.

You also need to make the right choice of electric locking structure.

These basic properties should be taken into account:

• slamming;
• power off;

If you purchase an electric lock, you will need another battery; it needs to be changed after three years. It is possible to purchase both a rim lock and a mortise lock; they open remotely and close when slammed. At the moment, it is possible to purchase an electric lock with a variety of additional capabilities. For example, if the lock has the Hands-free property, the door will open without hands. This function is indispensable for summer residents and lovers of shopping.

Review of the best models and prices

Overview by installation method:

Mortise electromechanical

Cost from 1400-1600 rubles.

They have high security and secrecy, since the lock itself cuts into the door, and the handle remains visible. These locks can be opened with keys.

Overhead electromechanical

Cost from 1000-1200 rubles.

Their assembly is easier compared to mortise ones; they are installed on the door from the inside. They are usually used for doors made of metal or wood.

According to the method of controlling the bolt:

Motor class

Cost from 600-1000 rubles.

These locks are quite reliable, have a long service life, but are also the most complex. They have an electric motor direct current- He opens the bolt. If the door is closed, the bolt cannot be pressed due to the pressure electric drive. There are brands of locks with several bolts, multifunctional operating schedules, the disadvantage of which is the opening time.

Solenoid locks

Their cost can be from 300 rubles.

They operate from electromagnetic windings. The bolt, which is the core, is retracted past the barrier created by the spring thanks to the electromagnetic field powered by the coil. These locks have a relatively low cost.

Platoon class locks

The cost of such locks varies from 200 to 600 rubles.

Locks are used to keep doors closed against springs; they are cocked during closing and then unlocked using an electric pulse. They do not require constant power supply.

What to look for when choosing?

1. When choosing an electric lock for the front door, you need to pay attention Special attention on functionality, methods of opening, closing, class of structures. For example, if the choice is electromechanical, you should know which door the lock will be built into. This lock can be right or left, and it opens inward or outward.
2. The electromagnetic one is much more reliable, its opening method is remote, and it also has no rubbing parts.

Installation and configuration

To correctly install an electric lock, you should take into account all the points, and this means making all measurements, without any errors, so that all existing devices function normally. Be sure to tighten all existing bolts tightly so that they do not come loose when opening and closing. The next thing you need to do is be sure to test the lock itself.

The location of the device may depend on the nature of the building. In the case of using an intercom with an electromechanical lock, you can use a structure with two or more panels that can be controlled from all rooms.

For correct settings electric lock on the front door requires mandatory consultation with a specialist first, because Not every door can have a lock. The price may depend on the type of lock and the door itself. The owner's requirements must be taken into account. If you install it yourself, you can send a photo of the door, but again, be sure to consult with professionals. They will help you choose correct device, will give you all the necessary information to correctly install the electric lock with your own hands.

The use of programmable electronic components in the most simple devices and mechanisms has become an objective reality. Electronic alarm systems on cars and in apartments are considered classics security devices, so in the near future there will be no surprise electronic lock on the front door, but rather an ordinary mechanical lever or English castle rarity. Actually development electronic locks for doors, as well as car alarms, has been seriously pushed by the increased number of crimes against the personal property of citizens, so the use of electronics is a forced measure rather than just a tribute to fashion.

What does installing an electronic version of a door lock give?

Enthusiasts of “smart” development household appliances and devices with electronic control elements, standard mechanical locks are mercilessly criticized for their primitiveness - even a novice burglar can open such a lock and easily enter the house. There is some truth in this statement. In comparison with a poor mechanical drive, electronic locks for entrance doors look very convincing:

• It is fundamentally impossible to open the door without entering a control sequence of code digits or transmitting a signal remotely;
• Opening the bolt part of the lock is much more difficult; even if the power supply is turned off, the lock continues to function on batteries;
• The device can be programmed for certain sequences of actions, give or limit access to the front door to specific persons, and block the lock at the first sign of illegal actions.

For your information! For example, you can set permission to open the lock only at a certain time of day. If the owners are absent at unauthorized times, the lock can only be opened by breaking the front door.

In essence, an electronic lock allows you to increase control over the process of access to the premises by new level quality and manage access for anyone entering the premises. Such systems successfully replace the pass system in offices and enterprises with special treatment work. If the key is lost, the lock can be reprogrammed or blocked.

Disadvantages of electronic lock systems for the front door

Unfortunately, electronic locks also have disadvantages.

Firstly, any lock on microcircuits and chips requires training in order to properly configure and program it. Installing a lock on the front door with your own hands is quite simple, but setting it up or repairing it is more difficult. If you turn to a specialist for help, you automatically have to trust a stranger with some of the secret information about the structure of the lock on the front door.

Secondly, electronics are not always more reliable mechanical lock. If the electronic board breaks down or burns out, you can sit in front of the front door for quite a long time until specialists arrive to repair it.

Thirdly, the main part of the electronic or electromechanical lock on the front door is a mechanical drive that controls the movement or fixation of the steel lock. If for electronics the number of opening-closing cycles can be tens of thousands, then for the mechanical part this value rarely exceeds 5-7 thousand openings.

In addition, some types of electronic locks for entrance doors are still not as reliable as they might seem at first glance, which needs to be discussed separately.

Design and arrangement of electronic locks

A modern lock with electronic components, designed for installation on the front door, consists of two blocks - electronic and electromechanical. More often locking devices are classified precisely according to the principle of operation and organization of access of the first block:

1. By entering a character set or access code on the keyboard, or by turning the numeric verniers. Such a castle may look like an ordinary one door design with a pen, but equipped with an additional keyboard panel;
2. Entering the code using a magnetic or remote chip card. In this case, the card plays the role of a regular key, so you can open the lock with a stolen or counterfeit chip card;
3. Using a radio key fob, mobile phone, gadget with special program, which controls the lock on the front door via a radio channel;
4. Using a numeric code scanner, fingerprint or other physical parameters of the owner of the premises.

Some access methods can be duplicated or used in parallel, for example, entering a code can be duplicated by a fingerprint scanner, or opening the lock on the front door with a key fob will require confirmation from a mobile phone. All this creates additional obstacles for hacking, but at the same time complicates the system and makes it less reliable.

Electronic lock drive device

Actuating mechanism electronic lock on the front door is in many ways similar to the design of a conventional mechanical lock. At the electronics command, the electromechanical group of the lock activates one of the drive options.

Most often, the opening part of the lock is performed according to the solenoid-bolt scheme. A powerful coil, inside of which there is a movable bolt, pushes it out with an electromagnetic field and retracts it at the command of the electronic board, and accordingly, opens or blocks the front door. This design without special problems Installs on almost any door. There is one drawback in the design - when the coil is triggered, a powerful burst of electricity is formed. magnetic field, by which, using simple field sensors, you can easily determine its location, open the door leaf and unlock the door.

The second most common is a screw gear drive with a conventional electric motor. This is the most reliable and stably operating circuit that you can install on your front door with your own hands. In this case, the motor torque is converted into linear movement of the crossbar. It works very secretly and almost silently. It is almost impossible to block the movement of the locking element. The disadvantages of the device include the need for periodic maintenance of the gearbox, otherwise the mechanism may jam.

Manual electronic locks, most often used for the entrance doors of apartments and houses, use a short-stroke electromagnet. By pulling the working bar or latch, magnetic device locks or unlocks a spring-loaded pawl or latch. The rotation of a handle, a key, or the movement of vertical struts can also be blocked. An electric lock for the front door is very economical, since practically no electricity is consumed in standby mode.

Such devices can operate even when the power supply is turned off. The electronic part of the lock on the front door will operate on batteries for another 20-30 hours. IN individual designs The electronic board of the locks is equipped with a GSM module, which allows you to send a message to the phone of the owner of the premises in the event of a power outage.

For entrance doors through which there is constant movement a large number of people are being used the simplest system from a powerful electromagnet that attracts and holds the front door leaf stationary due to its own magnetic field. Despite the obvious inefficiency, the device has the highest resistance to hacking and a huge service life of 50-60 thousand operations per year. You can open such an entrance door without entering a code only by turning off the power supply, or by applying a force of several hundred kilograms. The simplest device makes the lock very reliable, but it requires special automation to protect the electromagnet circuit from overloads and short circuits.

Is it possible to open the electronic lock on the front door?

It is impossible to open only a lock of a unique design, the structure of which is unknown to attackers. Most locks, costing 5-7 thousand rubles, available for free sale, can be purchased, understand the peculiarities of their functioning and select a method of opening.

Based on the appearance of the keypad or card reader, it is quite easy for an attacker to determine the type and model of the lock, and further opening is a matter of technology. It is much more difficult when the structure is hidden inside the front door, and the control signal for the electronic board of the lock is transmitted secretly. For example, in the owner’s pocket there is a chip card with a transmitting device, or the lock sensor is triggered by the level of the magnetic field of a chip embedded in a watch or any other personal item that does not cause suspicion.

The worst option is to demonstratively press keys on the panel or beep with the key fob in front of strangers. In both cases, the code is easily read by a hidden camera or a special receiver.

Advice! If you like remote control electronic lock on the front door, use the device without removing it from your pocket or bag, bringing it to minimum distance to the sensor. In this case, the chances for an attacker to record the signal are minimized.

Conclusion

Undoubtedly, the use of electronic locks increases security by several orders of magnitude compared to even the most complex ones. mechanical systems. But electronic locks fail much more often, and repairing them is much more difficult and expensive. In addition, the more complex the electronic block of the lock, the easier it is to open it without leaving traces, which is the biggest problem for the owner.

Surely everyone has thought about how to avoid becoming a victim of thieves in our troubled times. Installing a strong metal door will not protect against burglary if you do not pay close attention to choosing a lock that makes the entire structure stable. If the mechanism is old enough, then the probability of its opening is one hundred percent, because the thieves have thoroughly studied all known models.

Modern technologies offer the most advanced security systems. Locks are stuffed with electronics, which is difficult to hack. Opening will take much more time than a standard mechanical device. The electronic lock may not be visible on the front door. To hack, an attacker will have to use special equipment, allowing you to detect the structure. After all, the device can be placed in absolutely any part of the door.

In the event of an emergency, such as a fire, doors with electronic locks will open for subsequent use by people. And the opposite effect will occur when the alarm goes off, it will be impossible to get out of the office.

Types of locks differing in operating principle

Electromagnetic

Keeps the door locked due to the force of an electromagnet installed on the jamb. IN doorway metal plate is mounted to contact him. With the help of a code or key reader, the magnet stops working for a short period of time, allowing access to the room. In the absence of electricity, entry will be free. An additional power source will help to avoid an unforeseen situation.

Electromechanical

Can be opened with a mechanical key or an electronic key. This security device is similar to a classic lock, but the deadbolt has a magnetic lock. A special electric motor locks the door, and even if there is no power, the door will not open. There is a keyhole that can attract a thief.

Such models, consisting of several mechanisms, are particularly reliable.

1. Electric lock controlled by a control system.
2. Special key reader.
3. Standard mechanical lock.

The use of magnetic and mechanical devices allows us to distinguish the following types of structures.

Electromagnetic with card

So far this is the most popular device, working on the same principle as an intercom. The metal door opens by placing the card on a special reader. Such a lock significantly reduces the likelihood of strangers getting into protected security facilities, an office or a hotel. If the card is in memory, the door opens; if it is absent, it is impossible to enter.

The structure can be equipped special sensor for monitoring, allowing you to determine the exact time of arrival or departure from the building. This is how management monitors employee discipline. Each card stores information about how many times the door was opened and even about attempts to break in; about a thousand events are remembered.

Magnetic card that acts as a key to various rooms, allows you to open only permitted doors. For example, in a sensitive facility, each employee may have different levels access.

Disadvantages of such electronic locks– the possibility of card counterfeiting by fraudsters who intercept signals on a special scanner, and the need to use a closer. The metal plate and the magnet must be in close contact with each other. The closer will help close the door smoothly, without the slightest gap.

Mounting method electromagnetic locks is different.

• Mortise are built into metal doors. The device is inside door leaf, and a keyhole remains on its surface. Mortise ones are considered the most resistant to burglary.
• Invoices are most often installed in a wooden doorway. The room is locked from the inside not with a key, but rotating mechanism. Experts install additional locks at two different points to increase protection. Overhead locks are visible on the door and do not always look aesthetically pleasing.

If the room is equipped with two doors, then the inner one is equipped with overhead locks, and the outer one with mortise locks.

Code

The device will only open the door if the code is entered correctly. This the most common option, used at the entrance to the entrance. It is also used at production facilities. Includes code pad and locking device.

The combination lock has no rubbing parts, the body is made of durable vandal-resistant materials, and the number of six button options exceeds billions of combinations. It is recommended to change the code quarterly for the safety of residents or employees. Sometimes they try to find the right combination based on worn-out buttons. But the number of attempts to enter the code is limited, so if you enter it incorrectly, the lock is blocked.

Combined

The most popular type of two-level protection mechanism. A set of a plastic card and a standard key is very reliable. Highlight two types of combined mechanism:

• independent - the door closes either with one lock at the owner’s request or with two at once;
• dependent - one system blocks another, i.e. security is achieved by the interconnection of each element. If it is impossible to open one mechanism, all subsequent links are also invulnerable to opening.

Manufacturers produce mechanisms with one or two keyholes that prevent picking with master keys and mechanically. And the dependent type of device, in which the systems are blocked when damaged, does not allow the door to be opened. The massive body resists force.

The complex lock mechanism, which is an advantage when trying to break in, becomes a big disadvantage in the event of a malfunction. You will have to change the entire device.

Invisible

Experts recommend installing just such locks, called “invisible” locks. due to the lack of a keyhole. This is enough reliable option, controlled using a key fob or remote control. The invisible lock serves as a guarantee of security, because it cannot be drilled or damaged. The advantage of the castle is autonomous system power supply, which allows you to work for several days without connecting to electricity.

It is impossible to find an electronic lock without special devices. The strong bolt is so built into the door that it is impossible to tell from the outside where it is located. The owner opens the front door or plastic card or key fob. Companies that install such locks often equip doors with alarms that will notify security and the owner of unauthorized entry.

Biometric

The most secure locks installed in places that require serious protection, for example, in banks. They use a sensor to read information from a person’s fingerprint, which is why they are also called smartlocks or fingerprints.

The work is based on a scan that recognizes the papillary patterns of the finger, which do not change throughout life. However, no one is immune from abrasions, so when installing a smartlock, you should enter as many fingerprints as possible into the memory. The database can store templates on 500 papillary patterns. If the system does not recognize one fingerprint, you can open it using another.

Guests who do not have an account will be able to enter using a digital password or a special card. Standard keys not available in this version.

The impact-resistant glass of the sensor will withstand an impact of three tons. It is very difficult to break it; with any intervention, the system gives sound signals. Biometric devices are the most reliable today, because the fingerprint is unique. But installation of such systems is extremely expensive.

To ensure that your choice of electronic lock is successful, Please pay attention to the following points:

1. It is necessary to study all the models on the market and technical specifications work. Unfortunately, not every electronic lock is suitable.
2. You need to choose a design only from serious manufacturers. The high price will guarantee long and flawless service without constant repairs.
3. The mechanism should work without problems, reliably protecting the room.
4. Most often, the mechanism is installed on a metal door that has a lot of weight. It should be borne in mind that not every magnet will be able to cope with the separation of the door leaf from the frame. Be sure to check the instructions to see what weight the lock is designed for.
5. When installing a door closer that closes the doors forcibly, the service life of the lock increases.
6. The device code should be changed frequently enough for maximum security.
7. As the main protection, you should not equip the door with an electronic lock; it is best to install a combination of mechanics and electronics for greater reliability.

An electronic lock will help protect the front door from burglary, it durable for correct operation . A attractive appearance adds advantages, because the lock does not spoil the beauty of the door leaf.

Safety depends on the right choice protective device. All more people keep up with the times, choosing an electronic lock and ensuring the protection of the premises.

In the current age of digital technology, it is not surprising that ordinary door lock becomes electronic.

They are widely used in entrance doors, and are also increasingly found in individual doors - apartments or cottages.

The principle of operation of the device is quite simple. It is based on a microcircuit - a controller.

A reading device is connected to it, which receives an access code from the user. This could be a set of numbers on a keypad, a code in the magnetic strip of a plastic card, data from a contact key, or biometric parameters of a person.

The received code is transmitted to the central controller, which checks it with the sample stored in memory and, based on the verification, supplies power to the locking device or displays error information on the display.

The scheme provides a lot of scope for modifications. The device can be integrated into an intercom network with your own hands or common system access control.

Each user can be assigned a personal key and selectively configure access options separately. The lock can be equipped with a memory block, where a log of successful and unsuccessful attempts to open the door will be written separately for each key.

Electronic door locks are classified according to the type of receiving sensor, locking mechanism and fail-safety.

The most common sensors:

• digital keypad— the user dials an individual code, which is previously entered into the lock’s memory;
• magnetic card reader— the key is in the format of a bank card; to read it you need to pass it through a special slot;
• contact memory- the most common type in access varieties; to gain access you need to attach it to a special socket magnetic key, "tablet";
• contactless key- similar to a car alarm or automatic gate key fob. This type allows hidden installation locking device.

There are also varieties with a barcode reader, biometric sensors, and molecular locks, but they are much less common.

The most low price on the model with a keypad and a contact memory reader.

The highest price for devices with molecular and biometric sensors.

Depending on the type of locking device, a distinction is made between electromagnetic and electromechanical locks. Conventional mechanical ones are not suitable here, because they do not require an electric drive.

Principle of operation electromagnetic lock based on the attractive properties of an electromagnet. A powerful electromagnet is attached to the door frame, and a metal plate is attached to the door leaf. When power is applied, the magnet attracts the plate towards itself with a force that cannot be overcome by an ordinary person.

These are often used in offices and hallways, but in private apartments and houses it is less popular due to large sizes and the need for a stable power supply.

Electromechanical is almost ordinary mechanical deadbolt lock, only equipped with an electric drive. The drive can be in the form of a small electric motor or solenoid.

This type is more attractive because it looks almost like a regular one and does not spoil the appearance of the door.

But the mechanism is more complicated, so if it breaks, you can be locked in for a long time or, conversely, without protection for a long time.

Based on failure safety, a distinction is made between normally closed and normally open locks.

The first type goes into the closed position when the power goes out, the second goes into the open position. Some electromechanical locks have two normal positions - they remain in the position they were in before the power went out.

All electromagnetic ones, without exception, are normally open for obvious reasons. According to the rules fire safety It is prohibited to install normally closed locks on the route of evacuation of people from the premises. This is partly why electromagnetic varieties are so popular in offices.

Safety

All users are very concerned about the security of this type of lock. How well do they protect your home from intrusion?

There is no definite answer here, since much depends on the type of lock, resistance to key breaking, quality of workmanship and installation.

Cheap electromagnetic lock You can open it by pulling the door hard.

Old and low-quality models of magnetic locks were neutralized by lining with ordinary stationery eraser or gluing tape.

They open easily even if the installation was done poorly with your own hands or with the help of specialists. Some electromechanical types can be opened by applying a powerful magnet to the outside of the door.

And a good hidden electronic lock is very difficult to crack, because even determining the fact of its presence is a non-trivial task.

Much depends on the type of sensor. On a regular button panel there are traces of pressing - thermal, mechanical. Contact memory or magnetic tape readers are considered quite reliable.

In general, compared to conventional mechanical ones, electronic ones are noticeably more reliable, because hacking them often requires very specific equipment and good knowledge of electrical engineering.

Installation

Installing an electronic lock is not difficult; you can do it yourself. But it requires accuracy and careful adjustment of all elements so that the device works smoothly, without failures.

You should start by installing the locking device itself. For an electromagnetic one, it is a powerful magnet and a metal plate.

The magnet is attached to the door frame, and the plate to the leaf.

It is most convenient to place them at the top, preferably closer to the side of the fabric opposite the loops.

If you place the lock above the hinges, its holding power is greatly reduced. You need to place it evenly so that when the door is closed, the plate touches the magnet with its entire plane. Otherwise the force will be negligible.

An electromechanical lock consists of two parts - the lock itself (a bolt with a drive in the housing) and a catcher. The lock is attached to the door leaf, and the catcher is attached to the frame. Like regular mechanical ones, they come in mortise and overhead. The latter are easier to install.

The sensor is installed on the other side. It can be mounted directly on the door leaf or on the wall next to it. This is done using self-tapping screws or self-tapping screws. To connect the sensor to the controller in the wall or door at the installation site, you must first drill a hole for the wire.

It is best to install the control unit on the wall, next to the doorway.

It can be connected to the lock by laying a wire in the cavity of the door leaf. Many locks are equipped with a door open sensor.

It is installed on the canvas and on the frame in such a way that when the door is closed, the contacts are closed. You should not forget to connect the controller to a power source, preferably an uninterruptible one. The Z5R controller connection diagram is shown in the illustration.

1. Door open sensor.
2. Power unit.
3. Lock.
4. External indicator light.
5. Opening button.
6. External sound indicator.
7. Reading sensor.

It is not necessary to install an external sound indicator if the place is quiet and you are sure that the internal indicator can be heard from outside. It is also not necessary to install an external LED, in modern models it is often built into the reader.

The opening button is placed either inside near the door or on the security console. Or they are duplicated in both places. Some manufacturers may have slight differences in the circuit, which should be described in the instructions. It's even easier to install an invisible lock. He doesn't have any external elements, only internal devices need to be installed.

Prices for different models

There are many manufacturers on the market from different countries, so even locks of the same type vary greatly in cost.

More expensive than models with additional functions— integration into local network, the ability to connect to an intercom or with a cellular communication module.

A specialist in home security systems knows that the front door must be equipped with at least two different types of locks. Choosing an electronic one as one of them is an excellent solution. This is a fundamentally different type of locking device, which guarantees special difficulties for attackers.

Every owner of a residential or office space dreams of reliable protection of his property. The best way to solve this problem is with an electronic lock on the front door, which does not have a key hole, which means it is almost impossible to pick up a tool for breaking.

Standard equipment for electronic lock

Locks with electronically controlled consist of several elements, usually included with the device when it was purchased. The main elements include:

• locking device. Can be installed inside the door leaf ( mortise lock) or on the surface of the door (rim lock). The locking mechanism consists of a housing, inside of which there are bolts that hold the door in the closed position and an electric motor with which the bolts are driven. The lock body may provide for the installation of a door handle;

• striker plate installed on door jamb and necessary to hold the crossbars in the closed position;

• Control block. The block consists of a device that processes signals for opening and closing the locking mechanism and a controller that serves to control the lock, independently encode the keys and combine the component parts of the mechanism into a single system. Batteries are built into the control unit to ensure the lock operates in the event of a power outage;

• the block is connected to a constant current source ( electrical outlet) network adapter.

• a device for reading information from a key. Electronic locks can be biometric or built-in invisible locks. Electronic combination lock opens when you enter the code on the panel. The biometric lock is activated by recognizing a fingerprint or retina. The invisibility lock can be opened by a signal transmitted by a key fob, card, cell phone and so on.

• a set of keys (key fobs, cards).

• mounting bolts of different sizes.

Additionally, the electronic lock can be equipped with a closer, allowing the door to open and close smoothly, which increases service life locking mechanism and is connected to an intercom that allows you to open the door remotely.

Installing an electronic lock

According to the installation method, electronic locks are divided into two types:

• overhead devices;
• mortise devices.

Overhead locks are installed on the surface of the door leaf, and mortise locks are installed inside the door.

Installation of an electronic lock

Overhead locks are mainly installed on metal doors, on gates or.

To install an electronic lock, you will need:

• marker, pencil, tape measure, corner. This set of tools is necessary for marking the plane of the door at the installation site of the main mechanism;
• electric drill with a set of different drills;
• screwdriver

The first stage of installation begins with the installation of the locking mechanism. To do this, a number of actions are performed:

1. in the selected location (most often the locks are installed at a distance of 90–110 cm from the floor level), markings are applied to the door leaf. At the same time, the locations of the locking mechanism housing and fastening points are indicated on the door;

Markings on the door can be made by attaching the lock body to the door leaf or by first drawing a layout of the device.

1. the intended holes for fastenings are drilled. In this case, the diameter of the drills used must correspond to the diameter of the fastening bolts;

1. a through hole is drilled in the door to connect the device body and the reading mechanism;
2. The lock body is installed and secured in the marked area.

The second stage of installation is the installation of the locking plate, that is, the device that will hold the locking bolts. Installation of the striker plate is carried out in the same way as installation of the housing according to the plan:

1. Markings are made on the door jamb. When determining the location of the strip area, the location of the lock must be taken into account. It is best to close the main mechanism and mark the location of the crossbars. It is also necessary to mark the mounting locations of the device;
2. holes for mounting bolts are drilled;
3. the counterplate is fixed.

The crossbars should fit smoothly into the striker. Tight entry and excessive friction are not acceptable.

The third stage of installing a lock yourself is to install a reader and other necessary equipment. In this case, you must be guided by the following rules:

• the reader is installed on outside doors, as close as possible to the lock, since in the case of contact opening, this mechanism must be connected by wires to the locking device;
• the control unit, which connects to the network adapter, is located near permanent source indoor food;
• It is advisable to place the connecting wires in specialized boxes or corrugated hoses. This will help protect devices from moisture and give the door an aesthetic appearance.

An example of installing an electronic lock is discussed in detail in the video.

Installation of an electronic mortise lock

Installing an electronic lock by cutting into a door is somewhat more difficult, since special niches for the body and striker must be drilled in the door leaf and jamb, respectively. The following scheme is provided for the formation of niches:

1. door leaf . This improves the convenience of working;
2. the dimensions of the niche are noted, which should be 2 - 3 mm larger than the dimensions of the lock;
3. using a drill, chisel, hammer or other equipment, a part of the door leaf and jamb is removed;
4. Uneven surfaces are smoothed out after work.

How to connect an electronic lock

After the lock body is installed on the door and everything necessary equipment, you can start connecting it. In most cases, the device connection diagram is included with the lock. If there is no diagram, then you can follow the following instructions:

1. the control unit contains a controller to which all equipment must be connected: a locking mechanism, a reader, and so on. For this purpose they are used electrical cables supplied with the lock;
2. the locking device is connected to the opening code reader;
3. then all system components are connected to the corresponding terminals of the controller;

1. the power adapter is connected;
2. the functionality of the mechanism is checked.

If you cannot connect an electronic lock yourself, then it is more advisable to seek help from specialists.

Electronic locks belong to the category of the most reliable locking mechanisms. A significant drawback of the devices is the inability of the lock to operate correctly without affecting electric current. For this reason, it is recommended to install two locks on the front door, one of which is electronic and the other mechanical.