CN216647432U - Security anti-theft door lock with key matching mechanism - Google Patents

Abstract

The utility model relates to a safe anti-theft door lock with a key matching mechanism, which comprises a door lock main body, a detection unit, a control module and a steering engine, wherein the detection unit is fixedly arranged on one side of a lock hole in the door lock main body, the detection unit comprises an RFID system and an infrared sensor, the infrared sensor is used for detecting whether a key or a foreign body is inserted into the lock hole, and the control module is fixedly arranged in the door lock main body. According to the utility model, the detection unit is arranged in the door lock, when the infrared sensor detects that a key is inserted and the information matching is successful, the door lock can be opened smoothly, if the situation that a key or other objects which cannot be matched are inserted into the lock hole is detected, the situation that someone unlocks illegally or the lock is damaged violently possibly occurs, the control module controls the steering engine to work to enable the door to be locked reversely, the door after being locked reversely is difficult to open from the outside, and the reverse locking can be released only by using the matched key.

Description

Security anti-theft door lock with key matching mechanism

technical field

The utility model relates to the technical field of anti-theft door locks, in particular to a safety anti-theft door lock with a key matching mechanism.

Background technique

With the development of society and the improvement of living standards, property safety has also received attention from many people. Therefore, many families now install anti-theft door locks on the entrance door, which can greatly improve the anti-theft effect of the home. However, there are still some criminals who still take risks and use lock picking to destroy the door lock when no one is at home. Although traditional anti-theft door locks are equipped with multiple lock points and lock hooks, they use violence to unlock when encountering criminals. It will still be destroyed at times, resulting in the theft of valuables in the home, and the owner can only find it after returning home. If the police cannot be reported immediately, the thieves cannot be arrested and recovered in time.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a security anti-theft door lock with a key matching mechanism, and the specific technical scheme is as follows:

A security anti-theft door lock with a key matching mechanism, including a door lock body, a detection unit, a control module and a steering gear, a detection unit is fixedly arranged on the side of the door lock body at the lock hole, and the detection unit includes an RFID system and an infrared sensor, the infrared sensor is used to detect whether a key or foreign object is inserted into the lock hole, a control module is also fixedly arranged in the door lock main body, the detection unit is signally connected with the control module, and the door lock main body A steering gear is also fixedly arranged inside the control module, and the control module is coupled and connected with the steering gear.

As an improvement of the above technical solution, the RFID system further includes an RFID antenna and an RFID chip, the RFID antenna is fixedly installed at the bottom of the lock hole, and the RFID chip is fixedly installed in the key.

As an improvement of the above technical solution, a buzzer alarm is also fixedly embedded in the top of the outer side of the door lock body, and the control module and the buzzer alarm are coupled.

As an improvement of the above technical solution, the inside of the door lock body is also fixedly provided with a data transmission module, the control module and the data transmission module are connected with a signal, and the data transmission module is also connected with a mobile device by a signal.

As an improvement of the above technical solution, the control module is further coupled and connected to the monitoring camera, and the monitoring camera is also signal-connected to the data transmission module.

The beneficial effects of the utility model are as follows: by setting an RFID system, including an RFID antenna and an RFID chip, the RFID antenna is fixedly installed near the keyhole, and the RFID chip is fixedly embedded in the key. Matching information, there is also an infrared sensor near the lock hole. When the infrared sensor detects that a key is inserted, and the information is successfully matched, the door lock can be opened successfully. If it detects that an unmatched key or other object is inserted into the lock hole, It means that someone may unlock the lock illegally or violently damage the lock. The control module will control the steering gear to work to make the door lock back. The door after lock is difficult to open from the outside. The module will also control the buzzer to emit an alarm sound to remind nearby residents that they can scare away the criminals in time, and also open the surveillance camera at the door to take pictures of the theft of the criminals, and then send the monitoring screen to the data transmission module. The homeowner's mobile device can enable the homeowner to discover that the door lock is damaged at the first time even if he is not at home, which can protect the safety of home property to the greatest extent.

Description of drawings

Fig. 1 is the principle frame structure diagram of the present utility model;

2 is a structural diagram of a detection unit in the utility model;

Fig. 3 is the front view of the door lock main body in the utility model;

4 is a side view of the main body of the door lock in the utility model.

Reference signs: 1-door lock body; 101-detection unit; 1011-RFID system; 1012-infrared sensor; 1013-RFID antenna; 1014-RFID chip; 102-control module; 105-data transmission module; 106-mobile device; 107-monitoring camera.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

As shown in Figure 1, Figure 2 and Figure 3, Figure 1 is a schematic structural diagram of the utility model; Figure 2 is a structural diagram of the detection unit in the utility model; Figure 3 is a front view of the door lock main body of the utility model.

A security anti-theft door lock with a key matching mechanism includes a door lock main body 1, a detection unit 101, a control module 102 and a steering gear 103. The door lock main body 1 is fixedly provided with a detection unit 101 on one side of the lock hole. The detection unit 101 includes an RFID system 1011 and an infrared sensor 1012. The infrared sensor 1012 is used to detect whether a key or foreign object is inserted into the lock hole. A control module 102 is also fixed in the door lock body 1. The detection unit 101 is in signal connection with a control module 102 , a steering gear 103 is also fixedly arranged inside the door lock body 1 , and the control module 102 is coupled and connected with the steering gear 103 .

The RFID system 1011 further includes an RFID antenna 1013 and an RFID chip 1014, the RFID antenna 1013 is fixedly installed at the bottom of the lock hole, the RFID chip 1014 is fixedly installed in the key, and the RFID chip 1014 stores a door lock and a key matching information.

By installing the infrared sensor 1012 and the RFID antenna near the lock hole in the door lock body 1, the infrared sensor 1012 can detect that a key or other foreign objects are inserted into the lock hole. If the key of the homeowner is inserted, the RFID antenna 1013 and the RFID After the chip 1014 is successfully matched, the door lock will be opened smoothly. If another key or foreign object is inserted, the infrared sensor 1012 will transmit the information to the control module 102. The control module 102 adopts the Arduino UNO module, which is small in size and easy to install in In the door lock, the control module 102 will control the steering gear 103 in the door lock main body 1 to rotate, and drive the door lock to be locked from the inside, which can improve the safety protection of the door lock, until there is a key that can be matched. Anti-lock.

As shown in Figure 1 and Figure 3, Figure 1 is a schematic structural diagram of the utility model; Figure 3 is a front view of the main body of the door lock in the utility model.

The top of the outer side of the door lock body 1 is also fixedly embedded with a buzzer alarm 104 , and the control module 102 and the buzzer alarm 104 are coupled.

By providing a buzzer alarm 104 on the outside of the door lock body 1, when a non-original key or other foreign objects are inserted into the lock hole, the control module 102 will control the buzzer alarm 104 to emit an alarm sound, which can not only prompt the nearby Residents can check it, and it can also scare away the lawbreakers in time.

As shown in FIG. 1 , FIG. 1 is a schematic structural diagram of the utility model.

A data transmission module 105 is also fixedly arranged inside the door lock body 1 , the control module 102 is connected with the data transmission module 105 by signal, and the data transmission module 105 is also connected with the mobile device 106 by signal.

In order to let the homeowner who is not at home know that the door lock is damaged in the first time, a data transmission module 105 of the SIM900A model is provided in the door lock main body 1, which can perform data connection with the user's mobile device 106, and the mobile device 106 includes a mobile phone Or the PC terminal, prompting the owner of the theft in time

The control module 102 is also coupled and connected to the monitoring camera 107 , and the monitoring camera 107 is also connected to the data transmission module 105 by signal.

Many families now have surveillance cameras 107 installed at the door, so when it is detected that a criminal is committing theft, the surveillance camera 107 can be controlled by the control module 102 to work, and the monitored images can be sent to the user's The mobile device 106 can enable the user to observe the situation on site at the first time, and make judgments according to the actual situation, and can provide great security protection even for the resident outside the door.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (5)

1. A security anti-theft door lock with a key matching mechanism, comprising a door lock main body (1), a detection unit (101), a control module (102) and a steering gear (103), characterized in that: the door lock main body (1) ) is fixedly provided with a detection unit (101) on one side of the lock hole, the detection unit (101) includes an RFID system (1011) and an infrared sensor (1012), the infrared sensor (1012) is used to detect whether there is a key Or a foreign object is inserted into the lock hole, a control module (102) is also fixedly arranged in the door lock main body (1), the detection unit (101) is signally connected with the control module (102), and the door lock main body (1) ) is also fixedly provided with a steering gear (103), and the control module (102) is coupled and connected with the steering gear (103). 2. The security anti-theft door lock with a key matching mechanism according to claim 1, wherein the RFID system (1011) further comprises an RFID antenna (1013) and an RFID chip (1014), and the RFID antenna (1014) 1013) is fixedly installed at the bottom of the lock hole, and the RFID chip (1014) is fixedly installed in the key. 3. The security anti-theft door lock with a key matching mechanism according to claim 1, characterized in that: a buzzer alarm (104) is also fixedly embedded in the top of the outer side of the door lock main body (1), and the control There is a coupling connection between the module (102) and the buzzer (104). 4. The security anti-theft door lock with a key matching mechanism according to claim 1, characterized in that: the inside of the door lock main body (1) is also fixedly provided with a data transmission module (105), and the control module ( 102) and the data transmission module (105) for signal connection, and the data transmission module (105) also for signal connection with the mobile device (106). 5. The security anti-theft door lock with a key matching mechanism according to claim 4, wherein the control module (102) is also coupled and connected to a monitoring camera (107), and the monitoring camera (107) A signal connection is also made to the data transmission module (105).

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