CN204323292U - A kind of alarming device for automobile anti-theft - Google Patents
A kind of alarming device for automobile anti-theft Download PDFInfo
- Publication number
- CN204323292U CN204323292U CN201420815588.1U CN201420815588U CN204323292U CN 204323292 U CN204323292 U CN 204323292U CN 201420815588 U CN201420815588 U CN 201420815588U CN 204323292 U CN204323292 U CN 204323292U
- Authority
- CN
- China
- Prior art keywords
- pin
- module
- theft
- radio frequency
- frequency reader
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of alarming device for automobile anti-theft, comprise microprocessor, Door Lock feedback module, door limit feedback module, vehicle wheel rotational speed feedback module, Door Lock control module, radio frequency reader, electronic tag, DC regulated power supply and alarm module; Microprocessor is connected with alarm module with Door Lock feedback module, door limit feedback module, vehicle wheel rotational speed feedback module, Door Lock control module, radio frequency reader respectively; Radio frequency reader is used for realizing communication with electronic tag.Benefit of the present utility model is: adopt radio frequency reader and electronic tag as the authentication mode of automobile door opening, when car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then think that car door is opened by improper, driving alarm module is sent sound and light alarm by microprocessor, thus can avoid lawless person utilize the means such as automobile remote-control signal intercept device illegally open car door steal property in car event occur.
Description
Technical field
The utility model relates to a kind of automobile burglar field, particularly relates to a kind of alarming device for automobile anti-theft.
Background technology
At present, remote control class automobile anti-theft lock is very universal, the operation such as its mode distance control automobile by wireless telecommunications carries out locking, unblock, very convenient, but this also provides opportunity to lawless person.Some undesirables utilize one be called the instrument of tester for electric control system (being commonly called as demoder) and carry out " transformation " to it and just become a kind of so-called automobile remote-control signal intercept device, utilize this instrument can car owner use car key remote controller car carried out on latching operation time, receive car owner use a teleswitch when locking launch signal and autostore, and then utilize this signal just can carry out unlocking operation to this automobile, arrangements for automotive doors is opened and steals property even automobile in car, thus make car owner suffer heavy economic losses.
Chinese patent literature name is called: a kind of device for automobile burglar, application number is: the utility model patent of 201110154854 discloses a kind of alarms and security systems for automobiles based on RF identification, GPS module, gsm module, but it removes anti-theft state after just carrying out identification contrast to identity information simply, not to the concrete state of the reality of automobile not such as: door lock state, vehicle wheel rotational speed etc. carry out real-time detection, the Wrong control of automobile starting state or even stolen may therefore still be caused.
Utility model content
In order to solve the problems of the technologies described above, the alarming device for automobile anti-theft that the utility model provides a kind of dependable performance, structure simple, easy to operate.
The technical scheme that the utility model solves the problem is:
A kind of alarming device for automobile anti-theft, comprises microprocessor 1, Door Lock feedback module 2, door limit feedback module 3, vehicle wheel rotational speed feedback module 4, Door Lock control module 5, radio frequency reader 6, electronic tag 7, DC regulated power supply 8 and alarm module 9; Alarming device for automobile anti-theft also comprises: RTC crystal oscillating circuit 10, system clock crystal oscillating circuit 11, start-up circuit 12, back-up area feed circuit 13, reset circuit 14; Microprocessor 1 is connected with alarm module 9 with Door Lock feedback module 2, door limit feedback module 3, vehicle wheel rotational speed feedback module 4, Door Lock control module 5, radio frequency reader 6 respectively; Radio frequency reader 6 is for realizing communication with electronic tag 7.
Preferably, electronic tag 7 adopts passive electronic label; Electronic tag 7 is placed in car key remote controller.
Preferably, microcontroller 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 micro controller systems.
Preferably, alarming device for automobile anti-theft adopts 5 radio frequency reader, and four car doors and trunk door respectively fill 1, and wherein the first radio frequency reader 1 adopts SPI Timing driver, and the second to the 5th radio frequency reader 2,3,4,5 adopts IIC Timing driver.
Preferred further, for radio frequency reader, antenna receives the signal that electronic tag sends, and after main control chip RC522 process, sends microprocessor to by Header8 interface.
Preferably, vehicle wheel rotational speed feedback module is that the continuous level signal utilizing optic coupling element to be exported by Hall element is converted into impulse singla for micro controller system sampling.
Preferred further, vehicle wheel rotational speed feedback module mainly comprises Hall element 41, signal amplifier 42, optic coupling element 43 and pull-up resistor 44; Hall element 41 is used for the rotating speed of measured automobiles wheel, and the signal that Hall element 41 records exports to optic coupling element 43 after signal amplifier 42 amplifies; One end of optic coupling element 43 is connected to power supply by pull-up resistor 44, the other end ground connection of optic coupling element 43, and optic coupling element 43 connects one end of pull-up resistor 44 for exporting.
Further preferred, optic coupling element 43 is preferably the optic coupling element that model is TLP521.
Preferably, DC-stabilized circuit comprise switch 81, first order reduction voltage circuit 82, resettable fuse 83, second stage reduction voltage circuit 84; Power supply VCC accesses first order reduction voltage circuit 82 through switch 81, and the output of first order reduction voltage circuit 82 receives second stage reduction voltage circuit 84 by resettable fuse 83, and second stage reduction voltage circuit 84 exports.
Aforesaid way prevents voltage to occur disturbing and cisco unity malfunction, makes power circuit work more stable, safer.
Preferably, first order voltage reduction module 82 comprises: first order step-down chip 821, first resistance 822, second resistance 823, the 3rd resistance 824, electric capacity 825, zener diode 826 and inductance 827; First order step-down chip 821 comprises 6 pins; Input IN connects pin 5, and pin 5 connects pin 4 by the first resistance 822, and pin 2 meets GND; Pin 3 meets output OUT by the second resistance 823 and pin 3 meets GND by the 3rd resistance 824; Pin 1 connects pin 6 by electric capacity 825; Pin 6 connects the negative pole of zener diode 826, and the positive pole of zener diode 826 meets GND; Pin 6 is connect by inductance 827 and exports OUT simultaneously.
Automotive battery can be connect by above-mentioned optimal way input IN.
Preferred further, first order step-down chip 821 is preferably the MP2359 chip of MPS company.
Preferably, second stage voltage reduction module 84 comprises: second stage step-down chip 841, electric capacity 842; Second stage step-down chip 841 comprises 4 pins; Input IN connects pin 3, and pin 3 connects pin 1 by electric capacity 842, and pin 1 meets GND; Pin 2 and pin 4 are connected as exporting OUT for OUT pin.
Preferably, alarm module 9 comprises LED and loud speaker, adopts ISD1760 as loudspeaker drive chip.
The beneficial effects of the utility model are: adopt radio frequency reader and electronic tag as the authentication mode of automobile door opening, wherein electronic tag adopts passive electronic label, there is high security and unique distinctive, this electronic tag is placed in car key remote controller, unique identity identification information is stored in electronic tag, and be provided with radio frequency reader at each car door and trunk door handle place, when electronic tag be in arbitrary radio frequency reader produce magnetic field range in time, corresponding identity identification information can be read by arbitrary radio frequency reader identification, then send microprocessor to after being decoded by this identity identification information and carry out analysis and treament.When car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then think that car door is opened by improper, driving alarm module is sent sound and light alarm by microprocessor, thus can avoid lawless person utilize the means such as automobile remote-control signal intercept device illegally open car door steal property in car event occur.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model alarming device for automobile anti-theft.
Fig. 2 is the utility model alarming device for automobile anti-theft microprocessor peripheral circuit block diagram
Fig. 3 is the utility model alarming device for automobile anti-theft vehicle wheel rotational speed feedback module circuit diagram.
Fig. 4 is the utility model alarming device for automobile anti-theft DC-stabilized circuit block diagram.
Fig. 5 is DC-stabilized circuit first order voltage reduction module schematic diagram.
Fig. 6 is DC-stabilized circuit second stage voltage reduction module schematic diagram.
Detailed description of the invention
Do to illustrate in detail, intactly further to the utility model below in conjunction with embodiment and accompanying drawing.
As the structured flowchart that Fig. 1 is the utility model alarming device for automobile anti-theft, as shown in Figure 1, the utility model mainly comprises microprocessor 1, Door Lock feedback module 2, door limit feedback module 3, vehicle wheel rotational speed feedback module 4, Door Lock control module 5, radio frequency reader 6, electronic tag 7, DC regulated power supply 8 and alarm module 9.
Microprocessor 1 is connected with alarm module 9 with Door Lock feedback module 2, door limit feedback module 3, vehicle wheel rotational speed feedback module 4, Door Lock control module 5, radio frequency reader 6 respectively.
The feedback signal that microprocessor 1 is provided by detection radio frequency reader 6 and other feedback module, and export corresponding control signal to Door Lock control module 5 or alarm module 9 after analyzing and processing is carried out to coherent signal.Door Lock feedback module 2 provides Door Lock locking feedback signal to microprocessor 1.Door limit feedback module 3 provides closing of the door signal to microprocessor 1.Vehicle wheel rotational speed feedback module 4 provides the speed feedback signal of automotive wheel to microprocessor 1.Door Lock control module 5 receives the Door Lock locking or unlocking control signal perform corresponding control operation that microprocessor 1 exports.
Radio frequency reader 6 is for realizing communication with electronic tag 7, electronic tag 7 adopts passive electronic label, this electronic tag 7 is placed in car key remote controller, unique identity identification information is stored in electronic tag 7, when electronic tag 7 be in radio frequency reader 6 produce magnetic field range in time, can be identified by radio frequency reader 6 and read corresponding identity identification information, send microprocessor 1 to after then being decoded by this identity identification information and carry out analysis and treament.
If Fig. 2 is the utility model alarming device for automobile anti-theft microprocessor peripheral circuit block diagram, mainly refer to the necessary module that microprocessor normally works here.As shown in Figure 2, microcontroller 1 is connected with other peripheral circuit module.Here microprocessor 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 micro controller systems.Its peripheral circuit module comprises: crystal oscillating circuit 10, system clock crystal oscillating circuit 11, start-up circuit 12, back-up area feed circuit 13, reset circuit 14.Crystal oscillating circuit 10 for microprocessor 1 provide RTC clock, system clock crystal oscillating circuit 11 for whole system clock signal is provided, the Starting mode of start-up circuit 12 pairs of microprocessors 1 is arranged, back-up area feed circuit 13 for the necessary module in microprocessor 1 back-up source is provided, reset circuit 14 be to microprocessor 1 carry out reset control.These modules are all conventional circuit module, have not just been described in detail here.It is emphasized that crystal oscillating circuit 10 is preferably RTC crystal oscillating circuit.
In figure, the pin of the STM32F103ZET6 of microprocessor 1 does not illustrate.Its 6th pin connects back-up area feed circuit, the 25th pin welding system reset circuit, and the 8th, 9 pin connect RTC crystal oscillating circuit, the 138th, 48 pin connect start-up circuit, the 24th, 23 pin welding system clock crystal oscillator circuit.
34th pin of microprocessor 1 connects vehicle wheel rotational speed feedback module in addition, and the 35th pin connects LED alarm module, and the 40th, 41,42 and 43 pin connect voice alarm module.
Meanwhile, native system adopts 5 radio frequency reader altogether, and four car doors and trunk door respectively fill 1, wherein radio frequency reader 1 connects the 73rd, 74,75 and 76 pin of micro controller system, adopt SPI Timing driver, radio frequency reader 2 connects the 69th and 70 pin, adopts IIC Timing driver, radio frequency reader 3 connects the 26th and 27 pin, adopt IIC Timing driver, radio frequency reader 4 connects the 28th and 29 pin, adopts IIC Timing driver, radio frequency reader 5 connects the 44th and 45 pin, adopts IIC Timing driver.
The concrete annexation of above-mentioned pin is not illustrated in the drawings.Only need in reality to connect by foregoing description.
Radio frequency reader module is specially: antenna receives the signal that electronic tag sends, and after main control chip RC522 process, sends microprocessor to by Header8 interface.This module has two kinds of sequential, is respectively SPI sequential and IIC sequential.After the process of RC522 main control chip, send microprocessor to by Header8 interface.
If Fig. 3 is the utility model alarming device for automobile anti-theft vehicle wheel rotational speed feedback module circuit diagram, the cardinal principle of this module is: the continuous level signal utilizing optic coupling element to be exported by Hall element is converted into impulse singla for micro controller system sampling.
As shown in Figure 3: it mainly comprises Hall element 41, signal amplifier 42, optic coupling element 43 and pull-up resistor 44.Vehicle wheel rotational speed feedback module also should comprise necessary VDD-to-VSS, does not illustrate in figure 3.Hall element 41 is used for the rotating speed of measured automobiles wheel, and the signal that Hall element 41 records exports to optic coupling element 43 after signal amplifier 42 amplifies.One end of optic coupling element 43 is connected to power supply by pull-up resistor 44, the other end ground connection of optic coupling element 43, and optic coupling element 43 connects one end of pull-up resistor 44 for exporting.Here the preferred model of optic coupling element 43 is the optic coupling element of TLP521.Signal amplifier 42 can be common signal amplification circuit, is not just described in detail here.
Fig. 4 is the utility model alarming device for automobile anti-theft DC-stabilized circuit block diagram.The effect of DC regulated power supply 8 is for whole warning device provides working power.As shown in Figure 4, power supply VCC accesses first order reduction voltage circuit 82 through switch 81, and the output of first order reduction voltage circuit 82 receives second stage reduction voltage circuit 84 by resettable fuse 83, and second stage reduction voltage circuit 84 exports.Resettable fuse 83 effect prevents voltage from occurring disturbing and cisco unity malfunction, makes power circuit work more stable, safer.Here power supply VCC can directly use automotive battery as Power supply.Power supply VCC is depressured to 5V by first order reduction voltage circuit 82, and the 5V voltage that first order reduction voltage circuit 82 exports is depressured to after 3.3V through second stage reduction voltage circuit 84 and powers to each unit of system.
If Fig. 5 is DC-stabilized circuit first order voltage reduction module schematic diagram, as shown in Figure 5, first order voltage reduction module 82 core is first order step-down chip 821.Here first order step-down chip 821 is preferably the MP2359 chip of MPS company.
MP2359 chip comprises 6 pins, is respectively that pin 1 is BST pin (bootlace pin), pin 2 is GND pin (grounding pin), pin 3 is FB pin (feedback pin), pin 4 is EN pin (enable pin), pin 5 is IN pin (power line voltage input pin), pin 6 is SW pin (switch pin).Input IN (here be input as power line voltage) connects pin 5, and pin 5 connects pin 4 by the first resistance 822, and pin 2 meets GND; Pin 3 is connect by the second resistance 823 and exports OUT, and pin 3 meets GND by the 3rd resistance 824; Pin 1 connects pin 6 by electric capacity 825; Pin 6 connects the negative pole of zener diode 826, and the positive pole of zener diode 826 meets GND; Pin 6 is connect by inductance 827 and exports OUT simultaneously.The input voltage range of MP2359 is 4.5-24V, and such wide input voltage can use automotive battery as power supply.
Fig. 6 is DC-stabilized circuit second stage voltage reduction module schematic diagram, and the Main Function of DC-stabilized circuit second stage voltage reduction module is export to other module of warning device after 3.3V voltage by the 5V voltage step-down that DC-stabilized circuit first order voltage reduction module exports.
As shown in Figure 6, second stage voltage reduction module 84 core is second stage step-down chip 841.Here second stage step-down chip 841 is preferably the AMS1117-3.3 chip of AMS company, it comprises 4 pins, be respectively that pin 1 is GND pin (grounding pin), pin 3 for IN pin (power line voltage input pin), pin 2 and pin 4 be OUT pin (output pin).Input IN (here be input as power line voltage) connects pin 3, and pin 3 connects pin 1 by electric capacity 842, and pin 1 meets GND; Pin 2 and pin 4 are connected as exporting OUT for OUT pin.
It is emphasized that: also comprise necessary filter capacitor in Fig. 4 ~ Fig. 6 circuit, do not illustrate in the drawings.
Alarm module 9 comprises LED and loud speaker, and this alarm module receives the control signal of microprocessor 1 output and sends sound and light alarm.It adopts ISD1760 to be loudspeaker drive chip, and have recording and player function, the record length length of ISD1760 is 60 seconds to the maximum, can select the recording of playing wherein any one time period by micro controller system.Here just be not described in detail.
Specific embodiment:
When by Door Lock feedback module 2, microprocessor 1 detects that automobile door lock is unlocked, the output signal of opposite house limit feedback module 3 immediately detects by microprocessor 1, if detect that car door is opened, then microprocessor 1 starts radio frequency reader 6 simultaneously and detects the induced signal whether receiving electronic tag 7, if receive this induced signal, then think that car door normally opens, do not receive this induced signal else if, then think that car door is opened by improper, driving alarm module 9 is sent sound and light alarm by microprocessor 1.
When by Door Lock feedback module 2, microprocessor 1 detects that automobile door lock is unlocked, and (being preferably 30 seconds) does not detect that car door is opened within door lock unblock rear a period of time, then car door lock will be locked by Door Lock control module 5 by microprocessor 1 again, and warning device enters dormant state.
When by vehicle wheel rotational speed feedback module 4, microprocessor 1 detects that the rotating speed of automotive wheel is not 0, control warning device is entered dormant state to save electric energy by microprocessor 1; And when microprocessor 1 is once detect that automotive wheel rotating speed is 0, then warning device is restored to mode of operation.
The beneficial effects of the utility model are: adopt radio frequency reader and electronic tag as the authentication mode of automobile door opening, wherein electronic tag adopts passive electronic label, there is high security and unique distinctive, this electronic tag is placed in car key remote controller, unique identity identification information is stored in electronic tag, and be provided with radio frequency reader at each car door and trunk door handle place, when electronic tag be in arbitrary radio frequency reader produce magnetic field range in time, corresponding identity identification information can be read by arbitrary radio frequency reader identification, then send microprocessor to after being decoded by this identity identification information and carry out analysis and treament.When car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then think that car door is opened by improper, driving alarm module is sent sound and light alarm by microprocessor, thus can avoid lawless person utilize the means such as automobile remote-control signal intercept device illegally open car door steal property in car event occur.
It is to be noted; the utility model is not limited to above-mentioned embodiment; any those skilled in the art, based on any simple modification done above-described embodiment in technical solutions of the utility model, equivalent variations and modification, all belong in protection domain of the present utility model.
Claims (10)
1. an alarming device for automobile anti-theft, is characterized in that: described alarming device for automobile anti-theft comprises microprocessor, Door Lock feedback module, door limit feedback module, vehicle wheel rotational speed feedback module, Door Lock control module, radio frequency reader, electronic tag, DC regulated power supply and alarm module; Described alarming device for automobile anti-theft also comprises RTC crystal oscillating circuit, system clock crystal oscillating circuit, start-up circuit, back-up area feed circuit, reset circuit; Microprocessor is connected with alarm module with Door Lock feedback module, door limit feedback module, vehicle wheel rotational speed feedback module, Door Lock control module, radio frequency reader respectively; Radio frequency reader is used for realizing communication with electronic tag.
2. alarming device for automobile anti-theft as claimed in claim 1, is characterized in that: electronic tag is passive electronic label; Electronic tag is placed in car key remote controller.
3. alarming device for automobile anti-theft as claimed in claim 1, it is characterized in that: described radio frequency reader is 5, four car doors and trunk door respectively fill 1, and wherein first radio frequency reader adopts SPI Timing driver, and second to the 5th radio frequency reader adopts IIC Timing driver.
4. alarming device for automobile anti-theft as claimed in claim 3, is characterized in that: for radio frequency reader, and antenna receives the signal that electronic tag sends, and after main control chip RC522 process, sends microprocessor to by Header8 interface.
5. alarming device for automobile anti-theft as claimed in claim 1, is characterized in that: vehicle wheel rotational speed feedback module is that the continuous level signal utilizing optic coupling element to be exported by Hall element is converted into impulse singla for micro controller system sampling.
6. alarming device for automobile anti-theft as claimed in claim 5, is characterized in that: vehicle wheel rotational speed feedback module mainly comprises Hall element, signal amplifier, optic coupling element and pull-up resistor; Hall element is used for the rotating speed of measured automobiles wheel, and the signal that Hall element records exports to optic coupling element after signal amplifier amplifies; One end of optic coupling element is connected to power supply by pull-up resistor, the other end ground connection of optic coupling element, and optic coupling element connects one end of pull-up resistor for exporting.
7. alarming device for automobile anti-theft as claimed in claim 1, is characterized in that: DC-stabilized circuit comprise switch, first order reduction voltage circuit, resettable fuse, second stage reduction voltage circuit; Power supply is through switch access first order reduction voltage circuit, and the output of first order reduction voltage circuit receives second stage reduction voltage circuit by resettable fuse, and second stage reduction voltage circuit exports.
8. alarming device for automobile anti-theft as claimed in claim 7, is characterized in that: first order voltage reduction module comprises: first order step-down chip, the first resistance, the second resistance, the 3rd resistance, electric capacity, zener diode and inductance; First order step-down chip comprises 6 pins; Input IN connects pin 5, and pin 5 connects pin 4 by the first resistance, and pin 2 meets GND; Pin 3 meets output OUT by the second resistance and pin 3 meets GND by the 3rd resistance; Pin 1 connects pin 6 by electric capacity; Pin 6 connects the negative pole of zener diode, and the positive pole of zener diode meets GND; Pin 6 is connect by inductance and exports OUT simultaneously.
9. alarming device for automobile anti-theft as claimed in claim 7, is characterized in that: second stage voltage reduction module comprises: second stage step-down chip, electric capacity; Second stage step-down chip comprises 4 pins; Input IN connects pin 3, and pin 3 connects pin 1 by electric capacity, and pin 1 meets GND; Pin 2 and pin 4 are connected as exporting OUT for OUT pin.
10. alarming device for automobile anti-theft as claimed in claim 1, is characterized in that: alarm module comprises LED and loud speaker, adopts ISD1760 as loudspeaker drive chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815588.1U CN204323292U (en) | 2014-12-19 | 2014-12-19 | A kind of alarming device for automobile anti-theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815588.1U CN204323292U (en) | 2014-12-19 | 2014-12-19 | A kind of alarming device for automobile anti-theft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204323292U true CN204323292U (en) | 2015-05-13 |
Family
ID=53159681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420815588.1U Expired - Fee Related CN204323292U (en) | 2014-12-19 | 2014-12-19 | A kind of alarming device for automobile anti-theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204323292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590209A (en) * | 2014-12-19 | 2015-05-06 | 湖南科技大学 | Car anti-theft alarming device |
-
2014
- 2014-12-19 CN CN201420815588.1U patent/CN204323292U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590209A (en) * | 2014-12-19 | 2015-05-06 | 湖南科技大学 | Car anti-theft alarming device |
| CN104590209B (en) * | 2014-12-19 | 2017-08-15 | 湖南科技大学 | A kind of alarming device for automobile anti-theft |
| CN107399297A (en) * | 2014-12-19 | 2017-11-28 | 湖南科技大学 | Arrangements for automotive doors safety device with authentication |
| CN107399297B (en) * | 2014-12-19 | 2019-10-15 | 湖南科技大学 | Arrangements for automotive doors safety device with authentication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ramani et al. | Bank locker security system based on RFID and GSM technology | |
| CN106327652B (en) | Electric intelligent door lock Fingerprint Lock protects system and method | |
| CN104590209A (en) | Car anti-theft alarming device | |
| CN104648325B (en) | A kind of automobile door lock controller based on infrared induction | |
| CN207051941U (en) | A kind of RFID electronic installations of security protection | |
| CN104481264A (en) | Intelligent alarm anti-theft door-lock system | |
| CN201544917U (en) | Fingerprint anti-theft starting and passive keyless entry (PKE) double anti-theft alarm system | |
| CN202686269U (en) | Radio frequency identification (RFID) based automobile anti-theft system | |
| CN204323292U (en) | A kind of alarming device for automobile anti-theft | |
| CN204161526U (en) | A kind of electric vehicle anti-theft alarm integral system | |
| CN204087305U (en) | A kind of use in construction of door and window intelligent anti-theft system based on RFID | |
| CN102616467B (en) | Anti-theft intelligent transport case with radiation dose detection function | |
| CN202311673U (en) | Configurable intelligent briefcase with electronic identity authentication | |
| CN106447852B (en) | Electric intelligent door lock protects system and method | |
| CN102616204A (en) | Vehicular emergency password entry system | |
| CN201544914U (en) | Automobile anti-theft device | |
| CN204688257U (en) | Electric vehicle antitheft system | |
| CN204511059U (en) | Long-time standby automatic alarm lock | |
| CN107187419B (en) | Automobile door lock state identification device and identification method | |
| CN201646638U (en) | Intelligent personal identification system of electric car | |
| CN104527574A (en) | Key detection and fingerprint identification based automobile anti-theft system | |
| CN105691353A (en) | Vehicle-mounted monitoring device for vehicle antitheft | |
| CN201111182Y (en) | Vehicle monitoring device based on RFID technology | |
| CN107618478A (en) | A kind of car radio-frequency anti-theft device | |
| CN203858687U (en) | Access controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |