CN104590209A - Car anti-theft alarming device - Google Patents

Car anti-theft alarming device Download PDF

Info

Publication number
CN104590209A
CN104590209A CN201410799547.2A CN201410799547A CN104590209A CN 104590209 A CN104590209 A CN 104590209A CN 201410799547 A CN201410799547 A CN 201410799547A CN 104590209 A CN104590209 A CN 104590209A
Authority
CN
China
Prior art keywords
pin
radio frequency
module
theft
alarming device
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.)
Granted
Application number
CN201410799547.2A
Other languages
Chinese (zh)
Other versions
CN104590209B (en
Inventor
张小平
匡斯建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan University of Science and Technology
Original Assignee
Hunan University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan University of Science and Technology filed Critical Hunan University of Science and Technology
Priority to CN201710574380.3A priority Critical patent/CN107399297B/en
Priority to CN201410799547.2A priority patent/CN104590209B/en
Publication of CN104590209A publication Critical patent/CN104590209A/en
Application granted granted Critical
Publication of CN104590209B publication Critical patent/CN104590209B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20Means to switch the anti-theft system on or off
    • B60R25/24Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20Means to switch the anti-theft system on or off
    • B60R25/24Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • B60R25/245Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/01Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/104Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device characterised by the type of theft warning signal, e.g. visual or audible signals with special characteristics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20Means to switch the anti-theft system on or off
    • B60R25/24Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • B60R25/241Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user whereby access privileges are related to the identifiers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/30Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/32Detection related to theft or to other events relevant to anti-theft systems of vehicle dynamic parameters, e.g. speed or acceleration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/30Detection related to theft or to other events relevant to anti-theft systems
    • B60R25/34Detection related to theft or to other events relevant to anti-theft systems of conditions of vehicle components, e.g. of windows, door locks or gear selectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R2025/1013Alarm systems characterised by the type of warning signal, e.g. visual, audible
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2325/00Indexing scheme relating to vehicle anti-theft devices
    • B60R2325/10Communication protocols, communication systems of vehicle anti-theft devices
    • B60R2325/105Radio frequency identification data [RFID]

Abstract

The invention discloses a car anti-theft alarming device. The car anti-theft alarming device comprises a microprocessor, a car door lock feedback module, a car side feedback module, a car wheel rotating speed feedback module, a car door lock control module, a radio frequency reader, a radio frequency identification, a direct current stabilized power source and an alarming module; the microprocessor is connected with the car door lock feedback module, the car side feedback module, the car wheel rotating speed feedback module, the car door lock control module, the radio frequency reader and the alarming module; the radio frequency reader is used for being in communication with the radio frequency identification. The car anti-theft alarming device has the advantages that the radio frequency reader and the radio frequency identification serve as identity verification modes of car door opening; when a car door is opened and the radio frequency reader does not detect identity identification information of the radio frequency identification, it is considered that the car door is abnormally opened, the microprocessor will drive the alarming module to give out acousto-optic alarms, and therefore lawbreakers can be prevented from illegally opening the car door to steal properties in a car with the method of using a car remote signal interception device and the like.

Description

A kind of alarming device for automobile anti-theft
Technical field
The present invention relates to a kind of automobile burglar field, particularly relate 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 patent of invention 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.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides the alarming device for automobile anti-theft that a kind of dependable performance, structure are simple, easy to operate.
The technical scheme that the present invention 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; 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 also comprises: crystal oscillating circuit 10, system clock crystal oscillating circuit 11, start-up circuit 12, back-up area feed circuit 13, reset circuit 14.
Preferred further, crystal oscillating circuit 10 is preferably RTC crystal oscillating circuit.
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.
Above-mentioned optimal way can make the input IN of alarming device for automobile anti-theft of the present invention directly connect automotive battery.
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.
Beneficial effect of the present invention is: 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 alarming device for automobile anti-theft of the present invention.
Fig. 2 is alarming device for automobile anti-theft microprocessor peripheral circuit block diagram of the present invention
Fig. 3 is alarming device for automobile anti-theft vehicle wheel rotational speed feedback module circuit diagram of the present invention.
Fig. 4 is alarming device for automobile anti-theft DC-stabilized circuit block diagram of the present invention.
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 present invention below in conjunction with embodiment and accompanying drawing.
As the structured flowchart that Fig. 1 is alarming device for automobile anti-theft of the present invention, as shown in Figure 1, the present invention 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 alarming device for automobile anti-theft microprocessor peripheral circuit block diagram of the present invention, 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 alarming device for automobile anti-theft vehicle wheel rotational speed feedback module circuit diagram of the present invention, 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 alarming device for automobile anti-theft DC-stabilized circuit block diagram of the present invention.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.
Beneficial effect of the present invention is: 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 pointed out that and the invention is not restricted to above-mentioned embodiment, any those skilled in the art, based on any simple modification done above-described embodiment in technical solution of the present invention, equivalent variations and modification, all belong in protection scope of the present invention.

Claims (10)

1. an alarming device for automobile anti-theft, is characterized in that: 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.
2. alarming device for automobile anti-theft as claimed in claim 1, is characterized in that: alarming device for automobile anti-theft also comprises: crystal oscillating circuit, system clock crystal oscillating circuit, start-up circuit, back-up area feed circuit, reset circuit.
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 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.
5. alarming device for automobile anti-theft as claimed in claim 4, 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.
6. alarming device for automobile anti-theft as claimed in claim 5, is characterized in that: optic coupling element adopts model to be the optic coupling element of TLP521.
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.
CN201410799547.2A 2014-12-19 2014-12-19 A kind of alarming device for automobile anti-theft Active CN104590209B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710574380.3A CN107399297B (en) 2014-12-19 2014-12-19 Arrangements for automotive doors safety device with authentication
CN201410799547.2A CN104590209B (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
CN201410799547.2A CN104590209B (en) 2014-12-19 2014-12-19 A kind of alarming device for automobile anti-theft

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201710574380.3A Division CN107399297B (en) 2014-12-19 2014-12-19 Arrangements for automotive doors safety device with authentication

Publications (2)

Publication Number Publication Date
CN104590209A true CN104590209A (en) 2015-05-06
CN104590209B CN104590209B (en) 2017-08-15

Family

ID=53116378

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201410799547.2A Active CN104590209B (en) 2014-12-19 2014-12-19 A kind of alarming device for automobile anti-theft
CN201710574380.3A Active CN107399297B (en) 2014-12-19 2014-12-19 Arrangements for automotive doors safety device with authentication

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201710574380.3A Active CN107399297B (en) 2014-12-19 2014-12-19 Arrangements for automotive doors safety device with authentication

Country Status (1)

Country Link
CN (2) CN104590209B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835958A (en) * 2016-05-16 2016-08-10 上海科世达-华阳汽车电器有限公司 Automatic opening method for automobile trunk
CN106761020A (en) * 2017-01-06 2017-05-31 中北大学 Compound puzzle lock based on pressure sensor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109878451A (en) * 2019-03-11 2019-06-14 汉腾汽车有限公司 A kind of control system of automobile intelligent unlock
CN114550316B (en) * 2022-04-27 2022-08-05 广州商景网络科技有限公司 One-stop credible biological characteristic data acquisition terminal equipment and acquisition and sharing method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050116816A1 (en) * 2003-01-21 2005-06-02 Hiroaki Nitou Vehicle theft protection system, a method of protecting a vehicle from theft, a vehicle-onboard device, a management station, and a program for protecting a vehicle from theft
KR20050111695A (en) * 2004-05-22 2005-11-28 신기영 Car trunk anti-theft system
CN202574130U (en) * 2012-04-19 2012-12-05 曲保章 Electric vehicle anti-theft security device
CN203032608U (en) * 2013-01-12 2013-07-03 西安科技大学 Intelligent automobile burglar alarm device
CN203606379U (en) * 2013-10-30 2014-05-21 湖北汽车工业学院 A vehicle speed sensor test and control system
CN204323292U (en) * 2014-12-19 2015-05-13 湖南科技大学 A kind of alarming device for automobile anti-theft

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101899929A (en) * 2009-05-26 2010-12-01 叶春林 Locking device for warning unlocked vehicle door
CN102733676B (en) * 2011-04-11 2015-04-15 深圳富泰宏精密工业有限公司 Automobile control system and method
DE102012101836B4 (en) * 2012-03-05 2014-07-17 Oliver Lünstedt Mobile-based additional electronic immobilizer with door opener with theft alarm
CN203127023U (en) * 2013-02-05 2013-08-14 安徽师范大学 Burglar-proof alarm device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050116816A1 (en) * 2003-01-21 2005-06-02 Hiroaki Nitou Vehicle theft protection system, a method of protecting a vehicle from theft, a vehicle-onboard device, a management station, and a program for protecting a vehicle from theft
KR20050111695A (en) * 2004-05-22 2005-11-28 신기영 Car trunk anti-theft system
CN202574130U (en) * 2012-04-19 2012-12-05 曲保章 Electric vehicle anti-theft security device
CN203032608U (en) * 2013-01-12 2013-07-03 西安科技大学 Intelligent automobile burglar alarm device
CN203606379U (en) * 2013-10-30 2014-05-21 湖北汽车工业学院 A vehicle speed sensor test and control system
CN204323292U (en) * 2014-12-19 2015-05-13 湖南科技大学 A kind of alarming device for automobile anti-theft

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
展靖华: "基于射频技术的汽车防盗系统", 《电子世界》 *
陈庭勋、楼然苗、胡佳文: "《电子设计常用模块与实例》", 30 September 2013, 浙江大学出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105835958A (en) * 2016-05-16 2016-08-10 上海科世达-华阳汽车电器有限公司 Automatic opening method for automobile trunk
CN106761020A (en) * 2017-01-06 2017-05-31 中北大学 Compound puzzle lock based on pressure sensor

Also Published As

Publication number Publication date
CN104590209B (en) 2017-08-15
CN107399297B (en) 2019-10-15
CN107399297A (en) 2017-11-28

Similar Documents

Publication Publication Date Title
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
CN112330851A (en) Convenient intelligent lock based on Bluetooth communication and control method thereof
CN104481264A (en) Intelligent alarm anti-theft door-lock system
CN111881701A (en) Vehicle identity recognition control system based on NFC communication
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
CN201372630Y (en) Automotive keyless entering system
CN204323292U (en) A kind of alarming device for automobile anti-theft
CN204087305U (en) A kind of use in construction of door and window intelligent anti-theft system based on RFID
CN204161526U (en) A kind of electric vehicle anti-theft alarm integral system
CN102616204A (en) Vehicular emergency password entry system
CN106447852B (en) Electric intelligent door lock protects system and method
CN203611928U (en) Engine lock host machine and engine lock
CN202311673U (en) Configurable intelligent briefcase with electronic identity authentication
CN201446993U (en) Anti-theft alarm for electric motorcar
CN107187419B (en) Automobile door lock state identification device and identification method
CN104527574A (en) Key detection and fingerprint identification based automobile anti-theft system
CN201646638U (en) Intelligent personal identification system of electric car
CN105691353A (en) Vehicle-mounted monitoring device for vehicle antitheft
CN201111182Y (en) Vehicle monitoring device based on RFID technology
CN204309743U (en) Based on the automobile burglar circuit of RFID
CN105253105A (en) RFID technology-based electrocar intelligent anti-theft device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant