CN104590209B - A kind of alarming device for automobile anti-theft - Google Patents
A kind of alarming device for automobile anti-theft Download PDFInfo
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- CN104590209B CN104590209B CN201410799547.2A CN201410799547A CN104590209B CN 104590209 B CN104590209 B CN 104590209B CN 201410799547 A CN201410799547 A CN 201410799547A CN 104590209 B CN104590209 B CN 104590209B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/245—Means 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/104—Fittings 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/241—Means 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/32—Detection related to theft or to other events relevant to anti-theft systems of vehicle dynamic parameters, e.g. speed or acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/34—Detection 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R2025/1013—Alarm systems characterised by the type of warning signal, e.g. visual, audible
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
- B60R2325/105—Radio frequency identification data [RFID]
Abstract
The invention discloses a kind of alarming device for automobile anti-theft, including microprocessor, car door lock feedback module, door side feedback module, vehicle wheel rotational speed feedback module, car door lock control module, radio frequency reader, electronic tag, D.C. regulated power supply and alarm module；Microprocessor is connected with car door lock feedback module, door side feedback module, vehicle wheel rotational speed feedback module, car door lock control module, radio frequency reader and alarm module respectively；Radio frequency reader, which is used to realize with electronic tag, to be communicated.Benefit of the invention is that：Using the authentication mode of radio frequency reader and electronic tag as automobile door opening, when car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then thinking car door is opened by improper, microprocessor will drive alarm module to send sound and light alarm, so as to avoid criminal from illegally opening the event generation that car door steals in-car property using means such as automobile remote-control signal intercept devices.
Description
Technical field
The present invention relates to a kind of automobile burglar field, more particularly to a kind of alarming device for automobile anti-theft.
Background technology
At present, remote control class automobile anti-theft lock is popularized very much, its can by way of wireless telecommunications far distance controlled vapour
Car such as is locked, unlocked at the operation, very convenient, but this also provides opportunity to criminal.Some undesirables
Carry out using a kind of instrument for being referred to as tester for electric control system (being commonly called as decoder) and to it " transformation " to reform into one kind so-called
Automobile remote-control signal intercept device, can be connect using this instrument when car owner to car lock operation using car key remote control
Receive the signal launched when car owner is locked using remote control and store automatically, then recycle the signal just can be carried out to the automobile
Unblock operation, arrangements for automotive doors is opened and steals in-car property even automobile, so that car owner suffers heavy economic losses.
Chinese patent literature is entitled：A kind of device for automobile burglar, Application No.：201110154854 invention
Patent disclose it is a kind of based on radio frequency identification, GPS module, gsm module alarms and security systems for automobiles, but it is simply to body
Part information releases anti-theft state after contrast is identified, not to the actual particular state of automobile for example：Door lock state, wheel
Rotating speed etc. is detected in real time, therefore it is even stolen to be still likely to result in the Wrong control of automobile starting state.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of dependable performance, simple in construction, easy to operate automobile and prevented
Steal warning device.
Technical proposal that the invention solves the above-mentioned problems is：
A kind of alarming device for automobile anti-theft, including microprocessor 1, car door lock feedback module 2, door side feedback module 3, wheel
Speed feedback module 4, car door lock control module 5, radio frequency reader 6, electronic tag 7, D.C. regulated power supply 8 and alarm module 9；
Microprocessor 1 respectively with car door lock feedback module 2, door side feedback module 3, vehicle wheel rotational speed feedback module 4, car door lock control module
5th, radio frequency reader 6 is connected with alarm module 9；Radio frequency reader 6, which is used to realize with electronic tag 7, to be communicated.
It is preferred that, electronic tag 7 uses passive electronic label；Electronic tag 7 is placed in car key remote control.
It is preferred that, microcontroller 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 single-chip microcomputers.
It is preferred that, alarming device for automobile anti-theft also includes：Crystal oscillating circuit 10, system clock crystal oscillating circuit 11, start-up circuit
12nd, back-up area power supply circuit 13, reset circuit 14.
It is further preferred that crystal oscillating circuit 10 is preferably RTC crystal oscillating circuits.
It is preferred that, alarming device for automobile anti-theft respectively fills 1 using 5 radio frequency readers, four car doors and trunk door, its
In the first radio frequency reader 1 use SPI Timing drivers, the second to the 5th radio frequency reader 2,3,4,5 use IIC Timing drivers.
It is further preferred that for radio frequency reader, antenna receives the signal that electronic tag is sent, passes through main control chip
After RC522 processing, microprocessor is sent to by Header8 interfaces.
It is preferred that, vehicle wheel rotational speed feedback module is that the continuous level signal for being exported Hall element using optic coupling element is converted
Sampled for pulse signal for single-chip microcomputer.
It is further preferred that vehicle wheel rotational speed feedback module mainly includes Hall sensor 41, signal amplifier 42, optocoupler member
Part 43 and pull-up resistor 44；Hall element 41 is used for measuring the rotating speed of automotive wheel, and the signal that Hall element 41 is measured passes through
Signal amplifier 42 is exported to optic coupling element 43 after amplifying；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, it is output that optic coupling element 43, which connects one end of pull-up resistor 44,.
Still more preferably, optic coupling element 43 is preferably model TLP521 optic coupling element.
It is preferred that, DC-stabilized circuit include switch 81, first order reduction voltage circuit 82, resettable fuse 83, the
Two grades of reduction voltage circuits 84；Power supply VCC accesses first order reduction voltage circuit 82 through switch 81, and the output of first order reduction voltage circuit 82 passes through
Resettable fuse 83 is connected to second level reduction voltage circuit 84, and second level reduction voltage circuit 84 is exported.
Aforesaid way prevents voltage to occur disturbing and cisco unity malfunction, power circuit work is more stablized, more
Safety.
It is preferred that, first order voltage reduction module 82 includes：First order decompression chip 821, first resistor 822, second resistance
823rd, 3rd resistor 824, electric capacity 825, voltage-regulator diode 826 and inductance 827；First order decompression chip 821 draws comprising 6
Pin；Input IN connects pin 5, and pin 5 connects pin 4 by first resistor 822, and pin 2 meets GND；Pin 3 passes through second resistance 823
Meet output OUT and pin 3 meets GND by 3rd resistor 824；Pin 1 connects pin 6 by electric capacity 825；Pin 6 connects the pole of voltage stabilizing two
The negative pole of pipe 826, the positive pole of voltage-regulator diode 826 meets GND；Pin 6 meets output OUT by inductance 827 simultaneously.
Above-mentioned preferred embodiment can make the input IN of the alarming device for automobile anti-theft of the present invention directly connect automobile storage battery.
It is further preferred that first order decompression chip 821 is preferably the MP2359 chips of MPS companies.
It is preferred that, second level voltage reduction module 84 includes：Second level decompression chip 841, electric capacity 842；The second level is depressured chip
841 include 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
It is connected for OUT pins as output OUT.
It is preferred that, alarm module 9 includes LED and loudspeaker, and loudspeaker drive chip is used as using ISD1760.
The beneficial effects of the present invention are：Using the authentication side of radio frequency reader and electronic tag as automobile door opening
Formula, wherein electronic tag use passive electronic label, and with high security and unique distinctive, the electronic tag is placed in car door key
In spoon remote control, unique identity identification information is contained in electronic tag internal memory, and at each car door and trunk door handle
Radio frequency reader is provided with, when electronic tag is in the magnetic field range that any radio frequency reader is produced, can be penetrated by any
Frequency reader is recognized and reads corresponding identity identification information, and microprocessor is sent to after then the identity identification information is decoded
Analyzed and handled.When car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then recognizes
For car door opened by improper, microprocessor will drive alarm module to send sound and light alarm, so as to avoid criminal's profit
The event generation that car door steals in-car property is illegally opened with means such as automobile remote-control signal intercept devices.
Brief description of the drawings
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 level voltage reduction module schematic diagram.
Embodiment
The present invention is made with reference to embodiment and accompanying drawing further in detail, intactly to illustrate.
Such as the structured flowchart that Fig. 1 is alarming device for automobile anti-theft of the present invention, as shown in Figure 1, the invention mainly comprises micro- place
Reason device 1, car door lock feedback module 2, door side feedback module 3, vehicle wheel rotational speed feedback module 4, car door lock control module 5, radio frequency are read
Read device 6, electronic tag 7, D.C. regulated power supply 8 and alarm module 9.
Microprocessor 1 respectively with car door lock feedback module 2, door side feedback module 3, vehicle wheel rotational speed feedback module 4, car door lock
Control module 5, radio frequency reader 6 are connected with alarm module 9.
Microprocessor 1 is by detecting the feedback signal that radio frequency reader 6 and other feedback modules are provided, and to coherent signal
Progress analyzes and processes backward car door lock control module 5 or alarm module 9 exports corresponding control signal.Car door lock feedback module 2
Car door lock locking feedback signal is provided to microprocessor 1.Door side feedback module 3 provides closing of the door signal to microprocessor 1.Car
Wheel speed feedback module 4 provides the speed feedback signal of automotive wheel to microprocessor 1.Car door lock control module 5 receives micro- place
The car door lock locking of the reason output of device 1 or unlocking control signal simultaneously perform corresponding control operation.
Radio frequency reader 6, which is used to realize with electronic tag 7, to be communicated, and electronic tag 7 uses passive electronic label, the electronics mark
Label 7 are placed in car key remote control, unique identity identification information are contained in the internal memory of electronic tag 7, when electronic tag 7 is in
When in the magnetic field range that radio frequency reader 6 is produced, it can be recognized by radio frequency reader 6 and read corresponding identity identification information, so
Microprocessor 1 is sent to after the identity identification information is decoded afterwards to be analyzed and handled.
Such as Fig. 2 is alarming device for automobile anti-theft microprocessor peripheral circuit block diagram of the present invention, and microprocessor is primarily referred to as here
The necessary module of device normal work.As shown in Figure 2, microcontroller 1 is connected with other peripheral circuit modules.Here microprocessor
Device 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 single-chip microcomputers.Its peripheral circuit module includes：Crystal oscillating circuit
10th, system clock crystal oscillating circuit 11, start-up circuit 12, back-up area power supply circuit 13, reset circuit 14.Crystal oscillating circuit 10 is micro- place
Reason device 1 provides RTC clock, system clock crystal oscillating circuit 11 and provides clock signal, start-up circuit 12 to microprocessor for whole system
The Starting mode of device 1 is configured, back-up area power supply circuit 13 provides back-up source for the necessary module in microprocessor 1, multiple
Position circuit 14 is to carry out reset control to microprocessor 1.These modules are all conventional circuit module, are not just detailed Jie here
Continue.It is emphasized that crystal oscillating circuit 10 is preferably RTC crystal oscillating circuits.
The STM32F103ZET6 of microprocessor 1 pin is not illustrated in figure.Its 6th pin connects back-up area and powered
Circuit, the 25th pin welding system reset circuit, the 8th, 9 pin connect RTC crystal oscillating circuits, the 138th, 48 pin connect start-up circuit, the 24th, 23 pin
Welding system clock crystal oscillator circuit.
34th pin of other microprocessor 1 picks up wheel speed feedback module, and the 35th pin connects LED alarm modules, the 40th, 41,
42 and 43 pin connect voice alarm module.
Meanwhile, the system respectively fills 1 using 5 radio frequency readers, four car doors and trunk door altogether, and wherein radio frequency is read
Device 1 connects the pin of the 73rd, 74,75 and 76 of single-chip microcomputer, using SPI Timing drivers, and radio frequency reader 2 connects the 69th and 70 pin, using IIC
Timing driver, radio frequency reader 3 connects the 26th and 27 pin, using IIC Timing drivers, and radio frequency reader 4 connects the 28th and 29 pin, uses
IIC Timing drivers, radio frequency reader 5 connects the 44th and 45 pin, using IIC Timing drivers.
The specific annexation of above-mentioned pin is illustrated not in figure.Only need to connect as described above in practice.
It is specially for radio frequency reader module：Antenna receives the signal that electronic tag is sent, and passes through main control chip RC522
After processing, microprocessor is sent to by Header8 interfaces.The module has two kinds of sequential, respectively SPI sequential and IIC sequential.Through
After the processing of RC522 main control chips, microprocessor is sent to by Header8 interfaces.
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 the module
It is：The continuous level signal that Hall element is exported is converted into pulse signal using optic coupling element to sample for single-chip microcomputer.
As shown in Figure 3：It mainly includes Hall sensor 41, signal amplifier 42, optic coupling element 43 and pull-up resistor
44.Vehicle wheel rotational speed feedback module should also include necessary power supply and ground, not illustrate in figure 3.Hall element 41 is used for surveying
The rotating speed of automotive wheel is measured, the signal that Hall element 41 is measured is exported to optic coupling element 43 after the amplification of signal amplifier 42.
One end of optic coupling element 43 is connected to power supply by pull-up resistor 44, and the other end ground connection of optic coupling element 43, optic coupling element 43 connects
One end of pull-up resistor 44 is output.Here the preferred model TLP521 of optic coupling element 43 optic coupling element.Signal amplifier 42
It can be common signal amplification circuit, just not be 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 D.C. regulated power supply 8 is
Working power is provided for whole warning device.As shown in Figure 4, power supply VCC accesses first order reduction voltage circuit 82, first through switch 81
The output of level reduction voltage circuit 82 is connected to second level reduction voltage circuit 84 by resettable fuse 83, and second level reduction voltage circuit 84 is defeated
Go out.The effect of resettable fuse 83 is to prevent voltage from occurring disturbing and cisco unity malfunction, power circuit work is more stablized,
It is safer.Here power supply VCC directly can be powered with automobile storage battery as power supply.Power supply VCC is depressured electricity by the first order
Road 82 is depressured to 5V, the 5V voltages that first order reduction voltage circuit 82 is exported be depressured to 3.3V through second level reduction voltage circuit 84 after to system
Each unit is powered.
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 cores are that the first order is depressured chip 821.Here first order decompression chip 821 is preferably the MP2359 chips of MPS companies.
MP2359 chips include 6 pins, and respectively pin 1 is that BST pins (bootlace pin), pin 2 are GND pin
(grounding pin), pin 3 are that FB pins (feedback pin), pin 4 are that EN pins (enable pin), pin 5 are IN pin (power supplys
Voltage input pin), pin 6 be SW pins (switch pin).Input IN (input here is supply voltage) connects pin 5, draws
Pin 5 connects pin 4 by first resistor 822, and pin 2 meets GND；Pin 3 meets output OUT by second resistance 823, and pin 3 is logical
Cross 3rd resistor 824 and meet GND；Pin 1 connects pin 6 by electric capacity 825；Pin 6 connects the negative pole of voltage-regulator diode 826, voltage stabilizing two
The positive pole of pole pipe 826 meets GND；Pin 6 meets output OUT by inductance 827 simultaneously.MP2359 input voltage range is 4.5-
24V, such wide input voltage can use automobile storage battery as power supply.
Fig. 6 is DC-stabilized circuit second level voltage reduction module schematic diagram, the decompression of the DC-stabilized circuit second level
The main function of module is the 5V voltage step-downs for exporting DC-stabilized circuit first order voltage reduction module for after 3.3V voltages
Export and give warning device other modules.
It will be appreciated from fig. 6 that the core of second level voltage reduction module 84, which is the second level, is depressured chip 841.Here second level decompression chip
841 be preferably the AMS1117-3.3 chips of AMS companies, and it includes 4 pins, and respectively pin 1 is GND pin (grounding lead
Pin), pin 3 be that IN pins (supply voltage input pin), pin 2 and pin 4 are OUT pins (output pin).Input IN (these
In input be supply voltage) connect pin 3, pin 3 connects pin 1 by electric capacity 842, and pin 1 meets GND；Pin 2 and pin 4 are
OUT pins are connected as output OUT.
It is emphasized that：Also include necessary filter capacitor in Fig. 4~Fig. 6 circuits, do not shown in figure.
Alarm module 9 includes LED and loudspeaker, and the control signal that the alarm module receives the output of microprocessor 1 is concurrent
Go out sound and light alarm.It uses ISD1760 for loudspeaker drive chip, with recording and player function, ISD1760 record length
Length is to the maximum 60 seconds, can be selected to play the recording of one period of any of which by single-chip microcomputer.Just do not do herein in detail
Introduce.
Specific embodiment：
It is unlocked when microprocessor 1 detects automobile door lock by car door lock feedback module 2, microprocessor 1 will be right immediately
The output signal of door side feedback module 3 is detected that be opened if detecting car door, microprocessor 1 starts radio frequency simultaneously
Reader 6 detects whether to receive the induced signal of electronic tag 7, if receiving the induced signal, then it is assumed that car door is normal
Open, else if not receiving the induced signal, then it is assumed that car door is opened by improper, and microprocessor 1 will drive and alarm
Module 9 sends sound and light alarm.
It is unlocked when microprocessor 1 detects automobile door lock by car door lock feedback module 2, and latter section is unlocked in door lock
(be preferably 30 seconds) does not detect car door and is opened in time, then microprocessor 1 will be by car door lock control module 5 by vapour
Car car door lock is locked again, and warning device enters resting state.
When microprocessor 1 by vehicle wheel rotational speed feedback module 4 to detect the rotating speed of automotive wheel be not 0 when, microprocessor 1
Control warning device is entered resting state to save electric energy；And be 0 when microprocessor 1 once detects automotive wheel rotating speed
When, then warning device is restored to working condition.
The beneficial effects of the present invention are：Using the authentication side of radio frequency reader and electronic tag as automobile door opening
Formula, wherein electronic tag use passive electronic label, and with high security and unique distinctive, the electronic tag is placed in car door key
In spoon remote control, unique identity identification information is contained in electronic tag internal memory, and at each car door and trunk door handle
Radio frequency reader is provided with, when electronic tag is in the magnetic field range that any radio frequency reader is produced, can be penetrated by any
Frequency reader is recognized and reads corresponding identity identification information, and microprocessor is sent to after then the identity identification information is decoded
Analyzed and handled.When car door is opened, and radio frequency reader does not detect the identity identification information of electronic tag, then recognizes
For car door opened by improper, microprocessor will drive alarm module to send sound and light alarm, so as to avoid criminal's profit
The event generation that car door steals in-car property is illegally opened with means such as automobile remote-control signal intercept devices.
It is pointed out that the invention is not restricted to above-mentioned embodiment, any those skilled in the art based on
Any simple modification, equivalent variations and the modification made in technical solution of the present invention to above-described embodiment, belong to the present invention's
In protection domain.
Claims (13)
1. a kind of alarming device for automobile anti-theft, it is characterised in that：Including microprocessor, car door lock feedback module, door side feedback mould
Block, vehicle wheel rotational speed feedback module, car door lock control module, radio frequency reader, electronic tag, D.C. regulated power supply and alarm mould
Block；Microprocessor respectively with car door lock feedback module, door side feedback module, vehicle wheel rotational speed feedback module, car door lock control module,
Radio frequency reader is connected with alarm module；Radio frequency reader, which is used to realize with electronic tag, to be communicated；Electronic tag is placed in car door key
In spoon remote control；Wherein：
It is unlocked when microprocessor detects automobile door lock by car door lock feedback module, microprocessor will feed back on side on the door simultaneously
The output signal of module is detected, is opened if detecting car door, and microprocessor starts radio frequency reader to examine simultaneously
The induced signal for whether receiving electronic tag is surveyed, if receiving the induced signal, then it is assumed that car door is normal opening, else if
The induced signal is not received, then it is assumed that car door is opened by improper, and microprocessor will drive alarm module to send acousto-optic report
It is alert；
Vehicle wheel rotational speed feedback module is that the continuous level signal that Hall element is exported is converted into pulse signal using optic coupling element
For single-chip microcomputer sampling, vehicle wheel rotational speed feedback module mainly includes Hall sensor, signal amplifier, optic coupling element and pull-up electricity
Resistance；Hall element is used for measuring the rotating speed of automotive wheel, and the signal that Hall element is measured is exported after signal amplifier amplifies
To optic coupling element；One end of optic coupling element is connected to power supply, the other end ground connection of optic coupling element, optic coupling element by pull-up resistor
It is output to connect one end of pull-up resistor.
2. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：Alarming device for automobile anti-theft also includes：It is brilliant
Shake circuit, system clock crystal oscillating circuit, start-up circuit, back-up area power supply circuit, reset circuit.
3. alarming device for automobile anti-theft as claimed in claim 2, it is characterised in that：Microcontroller is STMicw Electronics
STM32F103ZET6, is 32 single-chip microcomputers.
4. alarming device for automobile anti-theft as claimed in claim 2, it is characterised in that：Crystal oscillating circuit is RTC crystal oscillating circuits.
5. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：Electronic tag is passive electronic label；Electricity
Subtab is placed in car key remote control.
6. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：The radio frequency reader is 5, four cars
Door and trunk door respectively fill 1, wherein first radio frequency reader uses SPI Timing drivers, second to the 5th radio frequency is read
Device uses IIC Timing drivers.
7. alarming device for automobile anti-theft as claimed in claim 6, it is characterised in that：For radio frequency reader, antenna receives electricity
The signal that subtab is sent, after being handled by main control chip RC522, microprocessor is sent to by Header8 interfaces.
8. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：Optic coupling element is using model TLP521's
Optic coupling element.
9. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：DC-stabilized circuit include switch,
First order reduction voltage circuit, resettable fuse, second level reduction voltage circuit；Power supply is through switch access first order reduction voltage circuit, first
The output of level reduction voltage circuit is connected to second level reduction voltage circuit, the output of second level reduction voltage circuit by resettable fuse.
10. alarming device for automobile anti-theft as claimed in claim 9, it is characterised in that：First order reduction voltage circuit includes：The first order
It is depressured chip, first resistor, second resistance, 3rd resistor, electric capacity, voltage-regulator diode and inductance；The first order is depressured chip bag
Containing 6 pins；Input IN connects pin 5, and pin 5 connects pin 4 by first resistor, and pin 2 meets GND；Pin 3 passes through second resistance
Meet output OUT and pin 3 meets GND by 3rd resistor；Pin 1 connects pin 6 by electric capacity；Pin 6 connects the negative of voltage-regulator diode
Pole, the positive pole of voltage-regulator diode meets GND；Pin 6 meets output OUT by inductance simultaneously.
11. alarming device for automobile anti-theft as claimed in claim 10, it is characterised in that：First order decompression chip is MPS companies
MP2359 chips.
12. alarming device for automobile anti-theft as claimed in claim 10, it is characterised in that：Second level reduction voltage circuit includes：Second
Level decompression chip, electric capacity；Second level decompression chip includes 4 pins；Input IN connects pin 3, and pin 3 connects pin 1 by electric capacity,
Pin 1 meets GND；Pin 2 is that OUT pins are connected as output OUT with pin 4.
13. alarming device for automobile anti-theft as claimed in claim 1, it is characterised in that：Alarm module includes LED and raised one's voice
Device, loudspeaker drive chip is used as using ISD1760.
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 |
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| 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 |
| 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 |
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| CN203032608U (en) * | 2013-01-12 | 2013-07-03 | 西安科技大学 | Intelligent automobile burglar alarm device |
| CN204323292U (en) * | 2014-12-19 | 2015-05-13 | 湖南科技大学 | A kind of alarming device for automobile anti-theft |
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| CN107399297B (en) | 2019-10-15 |
| CN104590209A (en) | 2015-05-06 |
| CN107399297A (en) | 2017-11-28 |
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