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The electric mortise lock is concealed. The lock body should be buried in the starter frame. The above figure is a common installation method of the electric mortise lock. 
Explain the classification and installation method of electric lock for weak electrical engineering access control system
Commonly used electric locks for access control are: electric plug lock, magnetic lock, electric lock, electric lock.
1, electric plug lock: electric plug lock to see the wire is divided into: two-wire electric plug lock, five-wire electric plug lock, eight-wire electric plug lock.
1.1 Two-wire electric plug: There are two wires, red and black, and red is connected to the power supply +12VDC black to GND. Disconnect any of the wires, the lock is retracted, and the door is open. Two-wire electric lock, the design is relatively simple, there is no single-chip control circuit, the lock body is easy to heat and hot, the impact current is relatively large, and it belongs to the low-priced electric lock with low price.
1.2 Five-wire electric plug: There are two wires, red and black, and red is connected to the power supply +12VDC black to GND. There are also three lines of COM NO NC, which are the magnetic signal lines of the door, reflecting the on and off states of the door. NO and NC respectively form two pairs of signals opposite to COM (a set of closed signals, one set of open signals). It passes the door magnet, according to the current door open or closed state, outputs different switch signals to the access controller to make judgments, such as the illegal entry alarm of the access control, the door is not closed for a long time, etc., relying on these signals to make judgments, if not These functions are required, and the magnetic signal lines of the door can be disconnected. The five-wire electric plug lock adopts single-chip controller, which is heat-friendly, with delay control and magnetic signal output with door. It is a common type electric lock with good cost performance.
The so-called delay control means that there is a dial switch on the lock body, which can set the delay time of closing the door. Usually can be set to 0 seconds, 2.5 seconds, 5 seconds, 9 seconds. Each manufacturer's lock has a slightly different delay.
Close delay setting on the electric lock
1.3 Eight-wire electric plug lock: The principle is the same as the 5-wire electric plug lock. In addition to the gate state output, the lock state output is also added. That is, the lock is not extended and the signal is different. Reflects the opening and closing status of the door. It passes the door magnet, according to the current door open or closed state, outputs different switch signals to the access controller to make a judgment.
2, magnetic lock:
The magnetic lock, also called the electromagnetic lock, is an electric lock that relies on the suction generated between the electromagnet and the iron block to close the door. The magnetic lock is also an electric lock that opens the door when it is powered off.
Some magnetic locks are output with the door state (door magnetic state). You carefully observe the terminals. In addition to the power supply terminals, there are also COM NO NC three terminals. The function of these terminals can be based on whether the current door is open or not. Closely, different switch signals are output to the access controller to make judgments. For example, the illegal intrusion alarm of the access control and the door not being closed for a long time depend on these signals for judgment. If these functions are not needed, the door status signal terminals may not be connected. .
3, electric lock, mute lock, motor lock:
Disadvantages of electric control lock: The impact current is large, and the impact on the stability of the system is large. When the door is opened, the noise is relatively loud. Inconvenient to install, often need professional welding equipment, spot welding to the iron door. Pay attention to the construction, the door opening delay can not be long, can only be set within 1 second, if the time is long, it may cause the electric control lock to heat damage.
For the disadvantage of loud noise, the new "silent electric lock" is designed, referred to as "silent lock".
Another electric lock with a smaller sound, instead of using the principle of an electromagnet, drives a small motor to telescope the lock. Generally called motor lock or spiritual lock.
The electric control lock, mute lock and motor lock are mainly used for the cell unit door, the bank gate and the second door. It can also be opened with a knob or key locked in the door.
Basic knowledge of installation
The difficulty in access control installation lies in the installation of the electric lock. The installation of the electric lock is mainly determined by the door. Therefore, the basic question is, "What are you?" Simple points, the door can be divided into glass doors, wooden doors / metal doors (security doors)
Glass door
It is recommended to install an "electric plug" as long as conditions permit. The so-called condition means that the vertical thickness of the upper door frame is greater than 4.5 cm.
1.1 glazed glass doors with upper and lower sides
Common electric lock installation method, no need to use any extra accessories
1.2 Glass door with upper border and no bottom border
There is no hem, so use the "lower door clamp" to fix the keyhole
1.3 Up and down borderless glass doors
Need to use the "door clamp" to fix the electric mortise lock, "lower door clamp" to fix the lock hole
1.4 Description
The advantages of the electric mortise lock: the concealed appearance is beautiful, and the door can be opened 180 degrees inside and outside.
Disadvantages: It is not as durable as the magnetic lock, and the keyhole is boring.
2. Wooden door, metal door (security door)
It is recommended to install a magnetic lock
Magnetic lock advantage: strong and durable
Disadvantages of magnetic lock: can only open the door at 90 degrees, that is, it can only be opened inside or outside.
2.1 Hanging installation without auxiliary bracket
It is a common installation method without a bracket, and the door frame is required to exceed the hanging surface of the door by more than 3 cm. A typical picture of a hanging installation is shown below:
2.2 L bracket auxiliary hanging installation
When the door frame is not wide enough, extend the width of the door frame with the L bracket to allow the magnetic lock to "hang up"
2.3 Internal door opening, ZL bracket auxiliary installation
For hanging installation, the direction of the lock is opposite to the direction of opening the door. If the door is opened inward, the lock is installed outside. If the door is opened outward, the lock is installed inside. Sometimes the door is opened, because of the aesthetic considerations, it is not desirable to lock the outside, and only the LZ bracket can be used for auxiliary installation.
3. Glass door mounted magnetic lock
Some large glass doors are not suitable for electric plug locks, because they are not as strong as magnetic locks. If the upper and lower door frames are covered, they can be regarded as wooden doors, and there are no borders (without edges). Need to use auxiliary U-shaped bracket
Illustration: Hanging installation of magnetic lock on the glass door, the door frame is wide enough, no bracket required