CN104240339A - Anti-theft system and method for door lock - Google Patents
Anti-theft system and method for door lock Download PDFInfo
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- CN104240339A CN104240339A CN201310624861.2A CN201310624861A CN104240339A CN 104240339 A CN104240339 A CN 104240339A CN 201310624861 A CN201310624861 A CN 201310624861A CN 104240339 A CN104240339 A CN 104240339A
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Abstract
The invention discloses an anti-theft system for a door lock. The anti-theft system comprises an RFID key module, an RFID door control module, a GSM anti-theft module and a service background, wherein the RFID key module comprises a main machine I, and a wireless recognition analog front end and a wireless signal transmitter which are connected with the main machine I; the RFID door control module comprises a main machine II, and a low-frequency scanning signal transmitter, a wireless signal transmitter and a first wireless signal transceiver which are connected with the main machine II; the GSM anti-theft module comprises a main machine III, and a second wireless signal transceiver and a GSM module which are connected with the main machine III; and the first wireless signal transceiver and the second wireless signal transceiver are in communication connection. Compared with the prior art, the anti-theft system has the characteristics of accuracy in key recognition, low false alarm rate, alarming in time and burglary prevention. The invention also provides an anti-theft method.
Description
Technical Field
The invention relates to the technical field of anti-theft devices, in particular to a door lock anti-theft system and an anti-theft method using the same.
Background
The traditional mechanical lock has a long history, and through continuous development and adaptation to market demands, the following effects are achieved: low cost, simple and portable operation. The working principle is as follows: the opening and closing of the control door are achieved by extending and retracting the main bolt and the auxiliary bolt into the lock body; the lock beads of the key are arranged in different combination modes, and the key is twisted to drive the bolt to stretch after a legal key is inserted. It also has a fatal weakness: the mutual unlocking rate of the keys is as high as 0.05 percent. As society develops, the duplication of mechanical keys has become quite easy and the security of traditional mechanical locks has been poor.
Aiming at the defects of the mechanical lock, an electronic coded lock is developed in the industry, and the operation of a circuit or a chip is controlled by inputting a password so as to control the opening and closing of a mechanical switch. The common electronic coded lock adopts a single chip microcomputer as a main control chip and a data storage unit, a display circuit for displaying, a honey device circuit for alarming, a keyboard circuit for inputting a password, an unlocking circuit for executing unlocking action, and a power supply, a crystal oscillator and a reset circuit which are necessary for the operation of the code storage circuit and the single chip microcomputer are arranged on a peripheral circuit of the electronic coded lock. The electronic coded lock has a relatively simple working principle, and after a user inputs a password through a rectangular keyboard connected with a single chip microcomputer, the password input by the user is checked with the password stored by the user through the single chip microcomputer so as to judge whether the password is correct or not, and then the high and low levels of a control pin are transmitted to an unlocking circuit or an alarm circuit to control whether unlocking or alarming is performed. Because the electronic coded lock designed by the singlechip only depends on the preset digital code for theft prevention, the code is easy to leak or crack, and the theft prevention requirements on some high-end applications are difficult to meet.
In recent years, a mechanical and electronic combined anti-theft lock appears in the market, the lock can be opened only when a mechanical key and electronic identification are legal, the anti-theft performance is greatly improved, and the safety early warning aspect is still required to be further improved. Because the existing locks only carry out simple voice alarm when the key is abnormal, if a thief adopts theft means such as door prying, technical unlocking and the like, the early warning effect is not ideal. Once stolen, the owner can only find the theft when the owner returns home, and if the owner gives an alarm after returning home, the owner gives an alarm later. For this reason, it is highly necessary to develop a door lock theft prevention system which immediately alarms when a thief tries to illegally enter a room or unlock a door lock.
Disclosure of Invention
The invention aims to provide a door lock anti-theft system which has the advantages of accurate key identification, low false alarm rate, timely alarm and remote anti-theft.
Another object of the present invention is to provide an anti-theft method using the above door lock anti-theft system.
In order to achieve the purpose, the invention adopts the following technical scheme.
A door lock anti-theft system, comprising: the system comprises an RFID key module, an RFID door control module, a GSM anti-theft module and a service background connected with the GSM anti-theft module;
the RFID key module consists of a mechanical key body and an RFID chip arranged on the mechanical key body, wherein the RFID chip comprises a first host computer, a wireless identification Analog Front End (AFE) and a wireless signal transmitter, and the AFE is connected with the first host computer;
the RFID door control module comprises a door lock body with a magnetic control lock mechanism, a host computer II connected with the door lock body, a low-frequency scanning signal transmitter, a wireless signal receiver and a first wireless signal transceiver, wherein the low-frequency scanning signal transmitter, the wireless signal receiver and the first wireless signal transceiver are connected with the host computer II; the wireless signal receiver is in communication connection with the wireless signal transmitter;
the GSM anti-theft module comprises a third host, a second wireless signal transceiver and a GSM module, wherein the second wireless signal transceiver is connected with the third host; and the first wireless signal transceiver and the second wireless signal transceiver are in communication connection.
As an improved technical solution of the present invention, the magnetic lock mechanism includes: the device comprises a top rod, a top rod guide groove, a return spring, an electromagnetic lock and a magnetic control switch; wherein,
the ejector rod is arranged in the guide rail of the ejector rod guide groove and extends out of one end of the guide rail to be abutted against the lock cylinder linkage mechanism of the door lock body;
the electromagnetic lock is arranged at the other end of the guide groove of the ejector rod and is inserted in the guide rail, and the magnetic control switch connected with the host machine II is used for controlling the moving space of the ejector rod in the guide rail;
the reset spring is installed between the ejector rod and the ejector rod guide groove, and when the reset spring is in a natural state, the electromagnetic lock can be freely opened and closed.
Through the setting of magnetic control latch mechanism for can only rotate mechanical key body under the condition that the electromagnetic lock was opened, carry out the dual theftproof of machinery, electron, the theftproof is effectual.
As an improved technical scheme of the invention, the first host, the second host and the third host are all 16-bit ultra-low power consumption microcontrollers, and the model of the 16-bit ultra-low power consumption microcontroller is MSP430F 135; the second main machine and the third main machine are also connected to indoor alternating current through a voltage transformation conversion circuit.
As an improved technical solution of the present invention, the wireless signal receiver is a single uhf (ask) receiver chip, and the wireless signal transmitter is a single uhf (ask) transmitter chip; the first wireless signal transceiver and the second wireless signal transceiver are both single-chip UHF (FSK) transceiver chips.
As an improved technical solution of the present invention, the service background includes: the system comprises one or more of a desktop computer, a mobile phone, a tablet personal computer, a guard room and a monitoring service platform, wherein the service background is used for receiving anti-theft information sent by a GSM anti-theft module and forcibly unlocking under unexpected conditions.
As an improved technical scheme of the invention, the window alarm system also comprises a window alarm system connected with the GSM anti-theft module, and the window alarm system comprises two sensors arranged outside and inside the window.
As an improved technical scheme of the invention, the door control module is also provided with a fingerprint identification module which is used for emergency unlocking when the RFID key module has a fault.
An anti-theft method is characterized in that a double anti-theft mode is adopted, an RFID key module and an RFID gate control module which are matched with each other are utilized, and the RFID gate control module can be opened to open a door leaf under the condition that the information of a mechanical key and an RFID chip of the RFID key module is legal at the same time;
when the door leaf is prized, the GSM anti-theft module communicated with the RFID gate control module is used for automatically sending 110 alarm short messages, and the prized information of the door leaf is sent to the service background.
The specific implementation mode is as follows:
giving a registration serial number to the RFID key module, and learning the registration serial number into the RFID gate control module;
a low-frequency scanning signal emitter of the RFID gate control module sends a low-frequency scanning signal at fixed time, and when the RFID key module receives the low-frequency scanning signal, the registration serial number is sent to the RFID gate control module through the wireless signal emitter;
after receiving the feedback registration serial number, the RFID gate control module analyzes the legality of the RFID key module; if the RFID door control module is legal, the magnetic control lock mechanism is closed, and the RFID door control module is opened by a mechanical key; if the RFID door control module is illegal, the magnetic control lock mechanism is continuously unlocked, and the RFID door control module cannot be unlocked by the mechanical key;
when the door leaf is prized, the GSM anti-theft module automatically sends 110 alarm short messages and sends the prized door leaf information to the service background.
As an improvement scheme of the anti-theft method, when the key is lost, the user can delete the key by sending a key deletion command to the GSM anti-theft module through the service background; when the RFID chip information has a recognition fault, a user sends a forced unlocking command to the GSM anti-theft module according to the requirement, so that the magnetic control lock mechanism is invalid, and the GSM anti-theft module can be directly unlocked by using a mechanical key.
As a further improvement of the anti-theft method, the anti-theft method for the window also comprises a window anti-theft method, wherein at least one sensor is arranged on the inner side and the outer side of the window, and when the two sensors on the window detect that a person passes through, the GSM anti-theft module automatically sends 110 an alarm short message and sends the information of person entering to a service background.
As a further improvement scheme of the anti-theft method, the magnetic control lock mechanism is electrically connected with indoor alternating current through a conversion circuit, and the failure of the magnetic control lock mechanism is realized by cutting off the power supply of the magnetic control lock.
As a further improvement scheme of the anti-theft method, the RFID key module, the RFID door control module and the GSM anti-theft module are all provided with self-checking functions, when the RFID key module is in power failure or the RFID door control module fails, a fault short message is sent to the service background through the GSM anti-theft module, and when the GSM anti-theft module fails, the service background can display a disconnection mark.
The anti-theft system for the door lock has the beneficial effects that:
the method comprises the following steps that firstly, an RFID key module, an RFID door control module, a GSM anti-theft module and a service background are in communication connection; the key identification accuracy is high, and once the door lock is prized, the owner can be informed in a wireless short message mode and automatically sends a 110 alarm short message, so that the alarm is timely, and the remote anti-theft is realized.
The RFID key module, the RFID gate control module and the GSM anti-theft module are respectively provided with a microcontroller serving as a host, so that self-checking is facilitated, and false alarm caused by module failure is effectively avoided; and the second host and the third host are also connected to indoor alternating current through a voltage transformation conversion circuit, are directly driven by direct current, have high response speed and can send out alarm information within 3-5 seconds generally.
Setting the wireless signal receiver as a single UHF (ASK) receiver chip, setting the wireless signal transmitter as a single UHF (ASK) transmitter chip, and setting the first wireless signal transceiver and the second wireless signal transceiver as single UHF (FSK) transceiver chips; the mutual interference of communication signals between the RFID key module and the RFID gate control module and between the RFID gate control module and the GSM anti-theft module is effectively avoided, and the misjudgment rate is low.
According to the anti-theft method provided by the invention, the GSM anti-theft module is used for automatically monitoring the unlocking condition of the door lock, and when a key is lost, a user can delete the key through the service background; when the RFID chip information has identification faults, the user can also send a forced unlocking command through the service background to enable the magnetic control locking mechanism to be invalid; the whole anti-theft mode is very flexible and has high humanization degree. In addition, the RFID key module, the RFID door control module and the GSM antitheft module are provided with self-checking functions, when the RFID key module is in power failure or the RFID door control module is in fault, a fault short message is sent to the service background through the GSM antitheft module, and when the GSM antitheft module is in fault, the service background can display a disconnection mark.
Drawings
FIG. 1 is a schematic view of a door lock anti-theft system according to the present invention;
FIG. 2 is a fragmentary view showing the structure of the anti-theft system for door lock according to the present invention;
fig. 3 is a schematic perspective view of the door lock body;
fig. 4 is an exploded view of the door lock body.
Description of reference numerals:
1. the system comprises an RFID key module, a RFID door control module, a GSM anti-theft module, a service background, a push rod guide groove, a reset spring, an electromagnetic lock, a magnetic control switch, a lock cylinder linkage mechanism and a control module, wherein the RFID key module is 2, the RFID door control module is 3, the GSM anti-theft module is 4, the service background is 5, the push rod is 6, the push rod guide groove is 7.
Detailed Description
To facilitate a better understanding of the nature of the present disclosure, a more particular description of the present disclosure will be rendered by reference to the appended drawings.
As shown in fig. 1, a door lock theft prevention system includes: an RFID (Radio frequency identification) key module 1, an RFID gating module 2, a GSM anti-theft module 3, and a service background 4 connected with the GSM (Global System For Mobile Communications) anti-theft module 3.
The service background 4 is one or more of a desktop computer, a mobile phone, a tablet computer, a guard room and a monitoring service platform. In this embodiment, the preferred service background is a mobile phone, and is used to receive the anti-theft information sent by the GSM anti-theft module, and to disable a key and forcibly unlock the lock in an unexpected situation.
As shown in fig. 2, the RFID key module is composed of a mechanical key body and an RFID chip provided on the mechanical key body. The RFID chip comprises a first host, a wireless identification Analog Front End (AFE) and a wireless signal transmitter, wherein the AFE is connected with the first host.
The RFID door control module comprises a door lock body with a magnetic control lock mechanism, a host computer II connected with the door lock body, a low-frequency scanning signal transmitter, a wireless signal receiver and a first wireless signal transceiver, wherein the low-frequency scanning signal transmitter, the wireless signal receiver and the first wireless signal transceiver are connected with the host computer II. The wireless signal receiver is in communication connection with the wireless signal transmitter.
The GSM anti-theft module comprises a third host, a second wireless signal transceiver and a GSM module, wherein the second wireless signal transceiver is connected with the third host; and the first wireless signal transceiver and the second wireless signal transceiver are in communication connection. In this embodiment, the GSM anti-theft module is attached with four wired defense areas, and when there is an alarm, the GSM module sends short message alarm information to the outside, and meanwhile, the GSM module receives short message control information sent from the outside.
In this embodiment, it is preferable that the first host, the second host, and the third host are sixteen-bit ultra-low power consumption microcontrollers, and the model of the 16-bit ultra-low power consumption microcontroller is MSP430F 135. The second host and the third host are also connected to indoor alternating current through a voltage transformation conversion circuit so as to maintain the continuous opening of the microcontroller and improve the response speed of the whole door lock anti-theft system. Through actual test, the response speed of the door lock anti-theft system is 5s, and the anti-theft information is transmitted in real time and quickly. Preferably, the wireless signal receiver is a single uhf (ask) receiver chip, and the wireless signal transmitter is a single uhf (ask) transmitter chip; preferably, the first wireless signal transceiver and the second wireless signal transceiver are both single-chip uhf (fsk) transceiver chips. Therefore, the mutual interference of communication signals between the RFID key module and the RFID gate control module and between the RFID gate control module and the GSM anti-theft module is effectively avoided; in order to avoid erroneous judgment. In other embodiments, the wireless signal transmitter and the wireless signal receiver are selected to be single-chip uhf (fsk) devices, and the first wireless signal transceiver and the second wireless signal transceiver are selected to be single-chip uhf (ask) devices, which is not limited to this embodiment.
Further preferably, as shown in fig. 3 and 4, the magnetic lock mechanism includes: the device comprises a mandril 5, a mandril guide groove 6, a return spring 7, an electromagnetic lock 8 and a magnetic control switch 9. The ejector rod 5 is arranged in a guide rail of the ejector rod guide groove 6 and extends out of one end of the guide rail to abut against a lock core linkage mechanism 10 of the door lock body. The electromagnetic lock 8 is arranged at the other end of the ejector rod guide groove 6 and is inserted in the guide rail, and the magnetic control switch 9 connected with the host machine II is used for controlling the moving space of the ejector rod 5 in the guide rail. The reset spring 7 is arranged between the mandril 5 and the mandril guide groove 6, and when the reset spring 7 is in a natural state, the electromagnetic lock 8 can be freely opened and closed. In order to limit the ejector rod 5 in the ejector rod guide groove 6, at least one guide rail cover plate is arranged on the ejector rod guide groove 6. The magnetic control lock mechanism adopts a mode of the ejector rod to support the lock cylinder linkage mechanism of the door lock body, so that the aim of controlling the rotation distance of the lock cylinder by using the electromagnetic lock is fulfilled, and the magnetic control lock mechanism is simple in structure and convenient to control.
As an equivalent implementation mode of the door lock anti-theft system, the door control module is further provided with a fingerprint identification module. The fingerprint identification module is in control connection with the host computer II so as to be used for emergency unlocking when the RFID key module breaks down. The specific structure of the fingerprint identification module is well known in the art and is widely applied to door locks, and the detailed description is omitted here.
In actual operation, the RFID key module is initially given a registration serial number, and the registration serial number is learned into the RFID gate module. Since the low-frequency scanning signal emitter of the RFID gate control module sends 125k low-frequency scanning signals at regular time, when the RFID key module receives the low-frequency scanning signals, the registration serial number is sent to the RFID gate control module through the wireless signal emitter. When the RFID gate control module receives the feedback registration serial number, the legality of the RFID key module is analyzed; if the RFID door control module is legal, the magnetic control lock mechanism is closed, and the RFID door control module is opened by a mechanical key; if the RFID door control module is illegal, the magnetic control lock mechanism is continuously unlocked, and the RFID door control module cannot be unlocked by the mechanical key. Therefore, the door leaf can be opened only under the condition that the information of the mechanical key and the RFID chip is legal at the same time, and the anti-theft effect is good.
Particularly, when the key is lost, the user can delete the key by sending a key deletion command to the GSM anti-theft module through the service background; when the RFID chip information has identification faults, a user sends a forced unlocking command according to needs to enable the magnetic control lock mechanism to be invalid, and the magnetic control lock mechanism can be directly unlocked by using a mechanical key. When the door leaf is prized, the GSM anti-theft module automatically sends 110 alarm short messages and sends the prized door leaf information to the service background, and the alarm is timely. In addition to processing and sending the forced unlocking command in a mode of making the magnetic control lock mechanism invalid, the method can also be realized by cutting off the power supply of the magnetic control lock, namely informing the property to cut off the indoor power supply and then start the mechanical lock.
In addition, the RFID key module, the RFID door control module and the GSM antitheft module are provided with self-checking functions, when the RFID key module is in power failure or the RFID door control module is in fault, a fault short message is sent to the service background through the GSM antitheft module, and when the GSM antitheft module is in fault, the service background can display a disconnection mark.
As an equivalent implementation manner of this embodiment, the door lock anti-theft system further includes a window alarm system connected to the GSM anti-theft module, and the window alarm system includes two sensors disposed outside and inside the window. When two sensors on the window detect that a person passes through, the GSM anti-theft module automatically sends 110 an alarm short message, and sends the person entering information to the service background in the form of a short message. The purpose of setting up two sensors outside the window and in the window is whether to pass through the window in order to accurate judgement has personnel, only detects that the personnel just report to the police when passing at two sensors, effectively prevents the erroneous judgement, and the practicality is good.
In a specific application, the door leaf anti-theft system provided by the embodiment needs to be set as follows when in use:
first, system learning
1.1 learning RFID Gate Module into RFID Key Module
An RFID gating module can learn up to 5 RFID key modules.
The learning mode is as follows:
pulling down a learning mode selection pin (P2.5) on the RFID gate control module, continuously pressing a learning key (P2.6) for 3 times within 6 seconds after the module is powered on, calling 2 sounds by the system, and entering a key learning mode.
Then the first key is close to the RFID gating module, after 2 sounds are heard, the current key is learned into the RFID gating module, at the moment, the key is taken away, and the second key is repeatedly taken close to continue learning.
Repeating the above actions until 5 keys are learned, or waiting for 60 seconds to overtime, or pressing a learning key, and the system calls a sound to exit the learning mode.
1.2 learning GSM anti-theft module by RFID gate control module
The learning mode is as follows:
pulling up a learning mode selection pin (P2.5) on the RFID gate control module, continuously pressing a learning key (P2.6) for 3 times within 6 seconds after the module is powered on, calling 3 sounds by a system, and entering a learning mode of a GSM anti-theft module.
1.3GSM anti-theft module enters learning mode
Pulling down a learning mode selection pin (P2.5) on the GSM anti-theft module, continuously pressing a learning key (P2.6) for 3 times within 6 seconds after the module is powered on, calling a system for 3 times, and entering a learning mode of the GSM anti-theft module.
After the 2 modules enter the learning mode, if the GSM anti-theft module learns the RFID gate control module, the system calls 2 tones to indicate that the learning is successful and the system exits the learning mode.
If the learning time is 60 seconds out or the learning button is pressed, the system calls a sound to exit the learning mode.
Second, GSM anti-theft module programming
Pulling up a learning mode selection pin (P2.5) on the GSM anti-theft module, continuously pressing a learning key (P2.6) for 3 times within 6 seconds after the module is powered on, calling 2 sounds by a system, and entering a GSM anti-theft module programming mode.
At the moment, a programming short message is sent to the GSM anti-theft module.
2.1 setting up the number of the mobile phone
The third host can set the number of the mobile phone of the user, is used for receiving alarm information or operating the host, and has a command format as follows:
index + '#' + 11-bit mobile phone number + '#' + 6-bit digital password
Where, index is the characters '1' to '3', and is used to indicate the setting of the several phone subscriber numbers, such as: '1' ' # ' ' 15817280389 ' ' # ' ' 123456. In actual input, the single quotation marks of the indicating characters and the double quotation marks of the indicating character strings are not needed to be input.
2.2. Defense zone programming
The host computer programs the combined defense area of the defense areas and the level trigger mode of the defense areas, and the programming mode is as follows:
the defense sector programming code + '#' + index (1-joint defense sector, 2-defense sector high-low level trigger mode) + '#' +2 digit programming code.
Such as: "defense zone programming" # "1" # "02' means that the combined defense zone is programmed, the programming code is 02, and the meaning is that the defense zones 3&4 are combined defense zones.
Currently, 4 defense zones are supported, and the combined defense zone programming code bit 0-zone 1&2 is combined with bit 1-zone 3& 4.
Such as: "defense sector programming" # "2" # "02' means that the alarm triggering level of the defense sector is set, the programming code is 02, and the meaning is that the defense sector 2 triggers the alarm at high level and the other 3 defense sectors trigger the alarm at low level.
Third, test
3.1RFID Gate Module testing
Test mode-performed with the power supply disconnected,
when the P5.7 pin of host two is low:
and (3) pulling up a 10K resistor to a +3V power supply by the pins P5.5 and P5.6 of the second host, and entering an AD calibration mode after power-on.
First, a low voltage of 12V (11.2V) and a charge stop voltage of the battery (11.2V) are calibrated.
And then a P5.5 pin of the second host computer is pulled up to a 10K resistor to a +3V power supply, the RX test mode can be entered after the power supply is powered on, and clutter can be seen on a PT4317data pin.
And then the P5.6 pin of the second host computer is pulled up to a 10K resistor to a +3V power supply, the AFE TX test mode can be entered after power-on, and the 125K waveform without the modulation signal is seen.
When pin P5.7 of host two is high:
and pulling up a 10K resistor to a +3V power supply from a P5.5 pin of the second host, and then entering an ATA5428RX test mode after power-on, wherein clutter can be seen at a DEM _ OUT pin and an SDO pin.
The P5.6 pin of the second host is pulled up to a 10K resistor to a +3V power supply, and the ATA5428TX test mode can be entered after the power-on, and the waveform with the modulation signal is seen.
3.2GSM anti-theft Module test
Test mode-performed with the power supply disconnected,
when pin P5.7 of host three is low:
and (3) pulling up 10K resistors to a +3V power supply by the pins P5.5 and P5.6 of the third host, entering an AD calibration mode after being electrified, and calibrating the low voltage (11.2V) of 12V and the charging stop voltage (11.2V) of the battery.
When pin P5.7 of host three is high:
and pulling up a 10K resistor to a +3V power supply from a P5.5 pin of the third host, and then entering an ATA5428RX test mode after power-on, wherein clutter can be seen at the pin of the SDO at the DEM _ OUT.
And then the P5.6 pin of the third host computer is pulled up to a 10K resistor to a +3V power supply, and the ATA5428TX test mode can be entered after power-on, and the waveform with the modulation signal is seen.
Fourth, short message control
4.1. Forced door
Due to some special reasons, the RFID circuit is invalid, the magnetic control switch of the door lock is invalid for 60 seconds after the command is sent, the door can be opened directly through a key, and the command format is as follows:
and (3) forcibly opening the door plus '#' +6 digits to learn the set digital password.
4.2. Key disablement
Delete a key, command format:
the key is disabled for + '#' + key number + '#' +6 digit number code set during learning.
Wherein, the key numbers are '1' to '4', and the system supports 5 keys at most.
4.3. Clear alarm
Clearing the alarm of the system, and the command format is as follows:
clearing the alarm + '#' +6 digit password set during learning.
The above embodiments have described the essence of the present invention in detail, but the scope of the present invention should not be limited to the above embodiments. It is contemplated that various modifications, adaptations, and equivalents may be made to the invention without departing from the spirit thereof.
Claims (10)
1. A door lock anti-theft system, comprising: the system comprises an RFID key module, an RFID door control module, a GSM anti-theft module and a service background connected with the GSM anti-theft module;
the RFID key module consists of a mechanical key body and an RFID chip arranged on the mechanical key body, wherein the RFID chip comprises a first host computer, a wireless identification Analog Front End (AFE) and a wireless signal transmitter, and the AFE is connected with the first host computer;
the RFID door control module comprises a door lock body with a magnetic control lock mechanism, a host computer II connected with the door lock body, a low-frequency scanning signal transmitter, a wireless signal receiver and a first wireless signal transceiver, wherein the low-frequency scanning signal transmitter, the wireless signal receiver and the first wireless signal transceiver are connected with the host computer II; the wireless signal receiver is in communication connection with the wireless signal transmitter;
the GSM anti-theft module comprises a third host, a second wireless signal transceiver and a GSM module, wherein the second wireless signal transceiver is connected with the third host; and the first wireless signal transceiver and the second wireless signal transceiver are in communication connection.
2. A door lock anti-theft system according to claim 1, wherein said magnetically controlled lock mechanism comprises: the device comprises a top rod, a top rod guide groove, a return spring, an electromagnetic lock and a magnetic control switch; wherein,
the ejector rod is arranged in the guide rail of the ejector rod guide groove and extends out of one end of the guide rail to be abutted against the lock cylinder linkage mechanism of the door lock body;
the electromagnetic lock is arranged at the other end of the guide groove of the ejector rod and is inserted in the guide rail, and the magnetic control switch connected with the host machine II is used for controlling the moving space of the ejector rod in the guide rail;
the reset spring is installed between the ejector rod and the ejector rod guide groove, and when the reset spring is in a natural state, the electromagnetic lock can be freely opened and closed.
3. The door lock anti-theft system according to claim 1, wherein the first host, the second host and the third host are all 16-bit ultra-low power consumption microcontrollers, and the model of the 16-bit ultra-low power consumption microcontroller is MSP430F 135; the second main machine and the third main machine are also connected to indoor alternating current through a voltage transformation conversion circuit.
4. The system of claim 1, wherein said wireless signal receiver is a single-chip uhf (ask) receiver chip and said wireless signal transmitter is a single-chip uhf (ask) transmitter chip; the first wireless signal transceiver and the second wireless signal transceiver are both single-chip UHF (FSK) transceiver chips.
5. The door lock anti-theft system according to claim 1, wherein the service background comprises one or more of a desktop computer, a mobile phone, a tablet computer, a guard room, and a monitoring service platform, and is configured to receive the anti-theft information sent by the GSM anti-theft module and to perform forced unlocking in case of accident.
6. A door lock theft prevention system according to claim 1, further comprising a window alarm system connected to the GSM theft prevention module, the window alarm system comprising two sensors located outside and inside the window.
7. The system of claim 1, wherein the door control module further comprises a fingerprint recognition module.
8. An anti-theft method is characterized in that a double anti-theft mode is adopted, an RFID key module and an RFID gate control module which are matched with each other are utilized, and the RFID gate control module can be opened to open a door leaf under the condition that the information of a mechanical key and an RFID chip of the RFID key module is legal at the same time;
when the door leaf is prized, the GSM anti-theft module communicated with the RFID gate control module is used for automatically sending 110 alarm short messages, and the prized information of the door leaf is sent to the service background.
9. The anti-theft method according to claim 8, characterized in that the specific implementation method is:
giving a registration serial number to the RFID key module, and learning the registration serial number into the RFID gate control module;
a low-frequency scanning signal emitter of the RFID gate control module sends a low-frequency scanning signal at fixed time, and when the RFID key module receives the low-frequency scanning signal, the registration serial number is sent to the RFID gate control module through the wireless signal emitter;
after receiving the feedback registration serial number, the RFID gate control module analyzes the legality of the RFID key module; if the RFID door control module is legal, the magnetic control lock mechanism is closed, and the RFID door control module is opened by a mechanical key; if the RFID door control module is illegal, the magnetic control lock mechanism is continuously unlocked, and the RFID door control module cannot be unlocked by the mechanical key;
when the door leaf is prized, the GSM anti-theft module automatically sends 110 alarm short messages and sends the prized door leaf information to the service background;
the RFID key module, the RFID door control module and the GSM antitheft module are all provided with self-checking functions, when the RFID key module is in power failure or the RFID door control module fails, a fault short message is sent to the service background through the GSM antitheft module, and when the GSM antitheft module fails, the service background can display a disconnection mark.
10. The anti-theft method according to claim 8, further comprising a window anti-theft method, wherein at least one sensor is arranged on both sides of the window, when both sensors on the window detect that a person passes through, the GSM anti-theft module automatically sends 110 an alarm short message and sends the person entering information to the service background;
when the key is lost, the user can delete the key by sending a key deletion command to the GSM anti-theft module through the service background; when the RFID chip information has identification faults, a user sends a forced unlocking command to the GSM anti-theft module according to the requirement to enable the magnetic control lock mechanism to be invalid, and the magnetic control lock mechanism can be directly unlocked by using a mechanical key; or the magnetic control lock mechanism is electrically connected with indoor alternating current through a conversion circuit, and the failure of the magnetic control lock mechanism is realized by cutting off the power supply of the magnetic control lock.
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