CN111340983A - Intelligent lock verification system and method for preventing Tesla coil from being opened - Google Patents
Intelligent lock verification system and method for preventing Tesla coil from being opened Download PDFInfo
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- CN111340983A CN111340983A CN202010108987.4A CN202010108987A CN111340983A CN 111340983 A CN111340983 A CN 111340983A CN 202010108987 A CN202010108987 A CN 202010108987A CN 111340983 A CN111340983 A CN 111340983A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
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Abstract
The invention discloses an intelligent lock verification system and method for preventing a Tesla coil from being opened, wherein the system comprises: an electronic locking module; a key detection module; a processing module; the power supply module provides electric energy; the key detection module comprises a first key detection submodule and a second key detection submodule; the processing module collects a first key signal of the first key detection submodule and collects a second key signal of the first key detection submodule when the first key signal collected by the processing module is in a high level; and when the second key signal acquired by the processing module is an effective value, unlocking information is sent to the electronic locking module. The intelligent lock verification system and method for preventing the Tesla coil from being opened have the advantages that the operation of a user on the keys is detected through the first key detection submodule and the second key detection submodule, and only when the detection of the two modules meets the preset condition, unlocking can be carried out, and lawbreakers are prevented from attempting illegal unlocking through the Tesla coil.
Description
Technical Field
The invention relates to an intelligent lock verification system and method for preventing a Tesla coil from being opened.
Background
In the existing intelligent electronic locks such as fingerprint locks and coded locks provided in the market, the electric control system of the intelligent lock has the technical risks of being interfered by signals of Tesla coils (commonly called small black boxes) and being interfered by opening of high-power interphones, so that burglary is caused, and the intelligent lock cannot inform a householder in time after being illegally opened, and cannot strive for precious alarm time; therefore, it is necessary to design an intelligent lock system which has wide universality, high safety factor, prevents the unlocking of Tesla and other interference signals and has a remote alarm function.
Disclosure of Invention
The invention provides an intelligent lock verification system and method for preventing a Tesla coil from being opened, which adopt the following technical scheme:
an intelligent lock verification system that prevents opening of a tesla coil, comprising:
the electronic locking module is used for locking and unlocking the door body;
the key detection module is used for detecting the operation of a user on the key;
the processing module is used for acquiring the key signal of the key detection module and sending unlocking information to the electronic locking module when the key signal is analyzed to be in accordance with the preset condition;
the power supply module is connected to the electronic locking module, the key detection module and the processing module to provide electric energy;
the key detection module comprises a first key detection submodule and a second key detection submodule;
the processing module collects a first key signal of the first key detection submodule and collects a second key signal of the second key detection submodule when the first key signal collected by the processing module is at a high level;
and when the second key signal acquired by the processing module is an effective value, the unlocking information is sent to the electronic locking module.
Further, the intelligent lock verification system for preventing the tesla coil from being opened further comprises:
the wireless transceiving module is used for wirelessly transceiving signals;
the wireless transceiver module is electrically connected to the power supply module;
when the first key signal acquired by the processing module is a high level and the second key signal is not an effective value, the wireless transceiver module sends alarm information to a server;
and the server sends reminding information to the user after receiving the alarm information.
Further, the intelligent lock verification system for preventing the tesla coil from being opened further comprises:
the locking module is used for cutting off the electric connection between the power supply module and the key detection module when the first key signal acquired by the processing module is in a high level and the second key signal is not in a valid value;
the locking module is electrically connected to the power module.
Further, the intelligent lock verification system for preventing the tesla coil from being opened further comprises:
the image acquisition module is used for acquiring images outside the door body;
the image acquisition module is electrically connected to the power supply module;
when the first key signal acquired by the processing module is at a high level and the second key signal is not at an effective value, the image acquisition module acquires image information outside the door body;
the alarm information sent by the wireless transceiver module contains the image information.
Further, the intelligent lock verification system for preventing the tesla coil from being opened further comprises:
the lighting module is used for lighting an area outside the door body;
the brightness detection module is used for detecting the brightness outside the door body;
the lighting module and the brightness detection module are electrically connected to the power supply module;
when the first key signal acquired by the processing module is a high level and the second key signal is not an effective value, the brightness detection module detects the brightness outside the door body, and when the brightness outside the door body is smaller than a preset value, the illumination module illuminates the outside of the door body;
the image acquisition module acquires the image information when the illumination module starts illumination.
Further, the first key detection submodule comprises a first detection circuit;
the first detection circuit includes: a second switch K2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, an infrared luminous tube D1, an infrared receiving tube D2 and a triode Q1;
the second switch K2 has one end connected to VCC and the other end connected to the fourth resistor R4;
one end of the third resistor R3 is grounded and the other end is connected with the other end of the fourth resistor R4;
the anode of the infrared light emitting tube D1 is connected with VCC and the cathode of the infrared light emitting tube D1 is connected with one end of the fifth resistor R5;
the C pole of the triode Q1 is connected with the other end of the fifth resistor R5, the B pole is connected between the fourth resistor R4 and the fifth resistor R3, and the E pole is grounded;
the negative electrode of the infrared receiving tube D2 is connected with VCC, and the positive electrode of the infrared receiving tube D2 is connected with one end of the sixth resistor R6;
the other end of the sixth resistor R6 is grounded;
the second key detection submodule comprises a second detection circuit;
the second detection circuit includes: a first resistor R1, a first switch K1 and a second resistor R2;
one end of the first resistor R1 is connected with VCC, and the other end is connected with a first switch K1;
one end of the second resistor R2 is grounded and the other end is connected with the other end of the first switch K1;
the processing module is connected between a sixth resistor R6 of the first detection circuit and an infrared receiving tube D2 to collect the first key signal;
the processing module is connected to the second detection circuit and collects the second key signal between the first resistor R1 and the second resistor R2;
the first switch K1 and the second switch K2 constitute a double pole double throw switch.
An intelligent lock verification method for preventing a Tesla coil from being opened comprises the following steps:
collecting a first key signal;
judging whether the first key signal is at a high level;
collecting a second key signal when the first key signal is at a high level;
judging whether the second key signal is a valid value;
and when the second key signal is an effective value, the door body is locked by contact.
Further, when the second key signal is not a valid value, alarm information is sent to a server, and the server sends reminding information to a user and locks the system for a preset time.
Further, the specific method for sending the alarm signal to the server when the second key signal is not a valid value is as follows:
acquiring image information outside a door body;
and sending the alarm information containing the image information to the server.
Further, the specific method for acquiring the image information outside the door body includes:
firstly, judging the brightness outside the door body;
when the brightness outside the door body is smaller than a preset value, lighting and light supplementing are carried out through a lighting module;
and acquiring the image information outside the door body in the process of illuminating by the illumination module.
The intelligent lock verification system and method for preventing the Tesla coil from being opened have the advantages that the operation of a user on the keys is detected through the first key detection submodule and the second key detection submodule, and only when the detection of the two modules meets the preset condition, unlocking can be performed, and the problem that lawbreakers try to perform illegal unlocking through the Tesla coil is solved.
The intelligent lock verification system and method for preventing the Tesla coil from being opened provided by the invention have the beneficial effects that the user can be warned when a person is detected to try to illegally unlock through the Tesla coil.
The intelligent lock verification system and method for preventing the Tesla coil from being opened have the advantages that the face image of the lawless person can be collected and sent to the server and the user, and the intelligent lock verification system and method for preventing the Tesla coil from being opened can be used by other programs such as subsequent alarm.
Drawings
FIG. 1 is a schematic diagram of an intelligent lock authentication system of the present invention that prevents opening of a Tesla coil;
FIG. 2 is a schematic diagram of the smart lock authentication method of the present invention against Tesla coil opening;
fig. 3 is a circuit diagram of a first detection circuit and a second detection circuit of the present invention.
The intelligent lock verification system comprises an intelligent lock verification system 100 for preventing a Tesla coil from being opened, an electronic locking module 10, a key detection module 20, a first key detection submodule 21, a second key detection submodule 22, a processing module 30, a power supply module 40, a wireless transceiving module 50, a locking module 60, an image acquisition module 70, an illumination module 80 and a brightness detection module 90.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1, the present invention discloses an intelligent lock verification system 100 for preventing a tesla coil from being opened, comprising: electronic locking module 10, key detection module 20, processing module 30, and power module 40. The electronic locking module 10 is used to lock and unlock the door body. The key detection module 20 is used for detecting the operation of the key by the user. The processing module 30 is configured to collect the key signal of the key detection module 20 and send unlocking information to the electronic locking module 10 when the key signal is analyzed to be in accordance with a preset condition. Power module 40 is adapted to be coupled to electronic locking module 10, key detection module 20, and processing module 30 to provide power.
Specifically, the key detection module 20 includes a first key detection submodule 21 and a second key detection submodule 22. The processing module 30 collects a first key signal of the first key detection submodule 21 and collects a second key signal of the second key detection submodule 22 when the first key signal collected by the processing module 30 is at a high level. And when the second key signal acquired by the processing module 30 is a valid value, the unlocking information is sent to the electronic locking module 10.
As a preferred embodiment, the smart lock authentication system 100 for preventing tesla coil unlocking further includes: a wireless transceiver module 50.
Specifically, the wireless transceiving module 50 is electrically connected to the power module 40 for wirelessly transceiving signals. When the first key signal collected by the processing module 30 is at a high level and the second key signal is not at a valid value, the wireless transceiver module 50 sends alarm information to the server. The first key signal is high and the second key signal is not a valid value, indicating that there may be a lawbreaker attempting to unlock the smart lock through the tesla coil. The server sends the reminding information to the user after receiving the alarm information, and specifically, the reminding information can be sent to a mobile phone or other communication equipment of the user.
As a preferred embodiment, the smart lock authentication system 100 for preventing tesla coil unlocking further includes: and a locking module 60.
The locking module 60 is configured to cut off the electrical connection between the power module 40 and the key detection module 20 when the first key signal collected by the processing module 30 is at a high level and the second key signal is not at a valid value. It can be understood that when the first key signal collected by the processing module 30 is at a high level and the second key signal is not a valid value, it indicates that the intelligent lock may be latched in a potential safety hazard, and at this time, the locking module 60 powers off the key detection module 20, so that the possibility of the intelligent lock being cracked can be further reduced.
As a preferred embodiment, the smart lock authentication system 100 for preventing tesla coil unlocking further includes: an image acquisition module 70.
The image capturing module 70 is used for capturing images outside the door. The image capturing module 70 is electrically connected to the power supply module 40. When the first key signal collected by the processing module 30 is at a high level and the second key signal is not at a valid value, the image collecting module 70 collects image information outside the door. The alarm information sent by the wireless transceiver module 50 includes image information. The face information of the lawbreaker trying to illegally crack through the Tesla coil can be obtained by obtaining the image information in front of the door body, and the face information is convenient for other programs such as subsequent alarm and the like to use.
As a preferred embodiment, the smart lock authentication system 100 for preventing tesla coil unlocking further includes: an illumination module 80 and a brightness detection module 90.
In particular, the illumination module 80 is used to illuminate an area outside the door. The brightness detection module 90 is used for detecting the brightness outside the door body. The illumination module 80 and the brightness detection module 90 are electrically connected to the power module 40. When the first key signal collected by the processing module 30 is at a high level and the second key signal is not at a valid value, the brightness outside the door body is detected by the brightness detection module 90, when the brightness outside the door body is smaller than a preset value, the illumination module 80 illuminates the outside of the door body, and the image collection module 70 collects image information when the illumination module 80 starts illumination, so as to avoid that the obtained image information is not clear enough.
As a preferred embodiment, the first key detection submodule 21 includes a first detection circuit. As shown in fig. 3, the first detection circuit includes: the infrared-ray lamp comprises a second switch K2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, an infrared light-emitting tube D1, an infrared receiving tube D2 and a triode Q1. The second switch K2 has one terminal connected to VCC and the other terminal connected to the fourth resistor R4. One end of the third resistor R3 is grounded and the other end is connected to the other end of the fourth resistor R4. The anode of the infrared light emitting tube D1 is connected to VCC and one end of the fifth resistor R5 is connected to the cathode. The triode Q1 has a C electrode connected to the other end of the fifth resistor R5, a B electrode connected between the fourth resistor R4 and the fifth resistor R3, and an E electrode connected to ground. The negative electrode of the infrared receiving tube D2 is connected with VCC, and the positive electrode is connected with one end of the sixth resistor R6. The other end of the sixth resistor R6 is connected to ground. The second key detection submodule 22 includes a second detection circuit, which includes: a first resistor R1, a first switch K1 and a second resistor R2. The first resistor R1 has one end connected to VCC and the other end connected to the first switch K1. One end of the second resistor R2 is grounded and the other end is connected to the other end of the first switch K1. The processing module 30 is connected to the first detection circuit and collects the first key signal between the sixth resistor R6 and the infrared receiving tube D2. The processing module 30 is connected to the second detection circuit and collects the second key signal between the first resistor R1 and the second resistor R2. The first switch K1 and the second switch K2 constitute a double pole double throw switch. When the user presses the key, the first switch K1 and the second switch K2 are simultaneously closed.
When the key is not pressed, the first switch K1 and the second switch K2 are both turned off, the triode Q1 is turned off, the infrared light emitting tube D1 and the infrared receiving tube D2 are not conducted, and the first key signal DIN1 is at a low level. The second key signal AIN1 has no value. When the key is pressed by the user, the first switch K1 and the second switch K2 are both turned on, the transistor Q1 is turned on, the infrared emitting tube D1 is turned on to emit infrared light, the infrared receiving tube D2 is turned on, and the first key signal DIN1 is at a high level. At this time, the processing module 30 detects the second key signal AIN1, and when it is determined that the second key signal AIN1 meets the condition in the preset range, it is determined that the second key signal AIN1 is a valid value, and the processing module 30 sends the unlocking information to the electronic locking module 10.
Specifically, the processing module 30 is provided with an ADC sub-module, which converts the second key signal AIN1 into a digital signal D _ AIN1, determines whether D _ AIN1 is a threshold set by the system lock, and determines that the AIN1 signal is a valid signal if the D _ AIN1 is within the acceptable error range. The details are as follows.
The system power voltage is set to be VCC, the system ADC precision is n bits, the value of the second key signal AIN1 is a voltage value, when the first switch K1 is switched on, the voltage division principle is carried out by a series circuit, and the value of the second key signal AIN1 is as follows:
VAIN1＝VCC*R2/(R1+R2) (1)
according to the ADC conversion formula, the digital signal D _ AIN1 is:
D_AIN1＝(VAIN1/VCC)*2n(2)
assuming that the theoretical value of the system design semaphore is D _ AIN0, the theoretical design voltage at AIN1 point is VAIN0,
when the digital signal D _ AIN1 satisfies the following formula, it indicates that the second key signal AIN1 is a valid signal,
|D_AIN1-D_AIN0|/(2n)<＝E (3)
assuming that the system power supply voltage is 3.3V, R1 ═ R2 ═ 5k, the system ADC accuracy is 16bit, that is, n ═ 16, and the error range of system reception is 1%, VAIN0 ═ 1.65V is calculated by equation 1, D _ AIN0 ═ 32768 is calculated by equation 2, the acceptance range of D _ AIN1 is 32133 to 33423 by equation 3, and the acceptance range of VAIN1 is calculated by equation 1, equation 2, equation 3 is 1.617V to 1.683V, that is, the input voltage is in the range of 1.617V to 1.683V at the point AIN1, which is a valid signal. The voltage range of the first key signal DIN1 is 2.0V-3.3V, and the error receiving range interval is far larger than that of the signal detection method based on ADC sampling, so that the signal acquisition method based on hardware ADC coding has high accuracy and high reliability. Because R1, R2 can dispose wantonly, so the designer can be as required, and arbitrary design collocation realizes different encodings.
As shown in fig. 2, the invention also discloses an intelligent lock verification method for preventing the tesla coil from being opened, which comprises the following steps:
and S1, collecting the first key signal.
S2, it is determined whether the first key signal is high.
And S3, collecting a second key signal when the first key signal is in a high level.
And S4, judging whether the second key signal is a valid value.
And S5, locking the door body by contact when the second key signal is an effective value.
In a preferred embodiment, when the second key signal is not a valid value, step S6 is skipped: and sending alarm information to a server, sending reminding information to a user by the server, and locking the system for preset time.
As a preferred embodiment, a specific method for sending the alarm signal to the server when the second key signal is not a valid value is as follows: image information outside the door is acquired. And sending alarm information containing image information to a server.
As a preferred embodiment, the specific method for acquiring the image information outside the portal body is as follows: first, the brightness outside the door is judged. And when the brightness outside the door body is smaller than the preset value, the lighting module 80 is used for lighting and supplementing light. During the illumination by the illumination module 80, image information outside the door is acquired.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. An intelligent lock verification system that prevents a tesla coil from unlocking, comprising:
the electronic locking module is used for locking and unlocking the door body;
the key detection module is used for detecting the operation of a user on the key;
the processing module is used for acquiring the key signal of the key detection module and sending unlocking information to the electronic locking module when the key signal is analyzed to be in accordance with the preset condition;
the power supply module is connected to the electronic locking module, the key detection module and the processing module to provide electric energy;
the key detection module comprises a first key detection submodule and a second key detection submodule;
the processing module collects a first key signal of the first key detection submodule and collects a second key signal of the second key detection submodule when the first key signal collected by the processing module is in a high level;
and when the second key signal acquired by the processing module is an effective value, the unlocking information is sent to the electronic locking module.
2. A smart lock verification system against Tesla coil opening as claimed in claim 1,
the intelligent lock verification system for preventing the Tesla coil from being opened further comprises:
the wireless transceiving module is used for wirelessly transceiving signals;
the wireless transceiver module is electrically connected to the power supply module;
when the first key signal acquired by the processing module is a high level and the second key signal is not an effective value, the wireless transceiver module sends alarm information to a server;
and the server sends reminding information to the user after receiving the alarm information.
3. A smart lock verification system against Tesla coil opening as claimed in claim 2,
the intelligent lock verification system for preventing the Tesla coil from being opened further comprises:
the locking module is used for cutting off the electric connection between the power supply module and the key detection module when the first key signal acquired by the processing module is in a high level and the second key signal is not in a valid value;
the locking module is electrically connected to the power module.
4. A smart lock verification system against Tesla coil opening as claimed in claim 3,
the intelligent lock verification system for preventing the Tesla coil from being opened further comprises:
the image acquisition module is used for acquiring images outside the door body;
the image acquisition module is electrically connected to the power supply module;
when the first key signal acquired by the processing module is at a high level and the second key signal is not at an effective value, the image acquisition module acquires image information outside the door body;
the alarm information sent by the wireless transceiver module contains the image information.
5. A smart lock verification system against Tesla coil opening as claimed in claim 4,
the intelligent lock verification system for preventing the Tesla coil from being opened further comprises:
the lighting module is used for lighting an area outside the door body;
the brightness detection module is used for detecting the brightness outside the door body;
the lighting module and the brightness detection module are electrically connected to the power supply module;
when the first key signal acquired by the processing module is a high level and the second key signal is not an effective value, the brightness detection module detects the brightness outside the door body, and when the brightness outside the door body is smaller than a preset value, the illumination module illuminates the outside of the door body;
the image acquisition module acquires the image information when the illumination module starts illumination.
6. A smart lock verification system against Tesla coil opening as claimed in claim 1,
the first key detection submodule comprises a first detection circuit;
the first detection circuit includes: a second switch K2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, an infrared luminous tube D1, an infrared receiving tube D2 and a triode Q1;
the second switch K2 has one end connected to VCC and the other end connected to the fourth resistor R4;
one end of the third resistor R3 is grounded and the other end is connected with the other end of the fourth resistor R4;
the anode of the infrared light emitting tube D1 is connected with VCC and the cathode of the infrared light emitting tube D1 is connected with one end of the fifth resistor R5;
the C pole of the triode Q1 is connected with the other end of the fifth resistor R5, the B pole is connected between the fourth resistor R4 and the fifth resistor R3, and the E pole is grounded;
the negative electrode of the infrared receiving tube D2 is connected with VCC, and the positive electrode of the infrared receiving tube D2 is connected with one end of the sixth resistor R6;
the other end of the sixth resistor R6 is grounded;
the second key detection submodule comprises a second detection circuit;
the second detection circuit includes: a first resistor R1, a first switch K1 and a second resistor R2;
one end of the first resistor R1 is connected with VCC, and the other end is connected with a first switch K1;
one end of the second resistor R2 is grounded and the other end is connected with the other end of the first switch K1;
the processing module is connected between a sixth resistor R6 of the first detection circuit and an infrared receiving tube D2 to collect the first key signal;
the processing module is connected to the second detection circuit and collects the second key signal between the first resistor R1 and the second resistor R2;
the first switch K1 and the second switch K2 constitute a double pole double throw switch.
7. An intelligent lock verification method for preventing a Tesla coil from being opened is characterized by comprising the following steps:
collecting a first key signal;
judging whether the first key signal is at a high level;
collecting a second key signal when the first key signal is at a high level;
judging whether the second key signal is a valid value;
and when the second key signal is an effective value, the door body is locked by contact.
8. The smart lock authentication method against Tesla coil opening as recited in claim 7,
and sending alarm information to a server when the second key signal is not an effective value, and sending reminding information to a user by the server and locking the system for preset time.
9. The smart lock authentication method against Tesla coil opening as recited in claim 8,
the specific method for sending the alarm signal to the server when the second key signal is not the effective value is as follows:
acquiring image information outside a door body;
and sending the alarm information containing the image information to the server.
10. The smart lock authentication method against Tesla coil opening as recited in claim 9,
the specific method for acquiring the image information outside the portal body comprises the following steps:
firstly, judging the brightness outside the door body;
when the brightness outside the door body is smaller than a preset value, lighting and light supplementing are carried out through a lighting module;
and acquiring the image information outside the door body in the process of illuminating by the illumination module.
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