CN107399297A - Arrangements for automotive doors safety device with authentication - Google Patents
Arrangements for automotive doors safety device with authentication Download PDFInfo
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- CN107399297A CN107399297A CN201710574380.3A CN201710574380A CN107399297A CN 107399297 A CN107399297 A CN 107399297A CN 201710574380 A CN201710574380 A CN 201710574380A CN 107399297 A CN107399297 A CN 107399297A
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- module
- radio frequency
- authentication
- car door
- arrangements
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Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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 arrangements for automotive doors safety device with authentication, 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, it is by improper opening then to think car door, microprocessor by drive alarm module send sound and light alarm, so as to avoid criminal using the means such as automobile remote-control signal intercept device illegally open car door steal in-car property event occur.
Description
Technical field
The present invention relates to a kind of automobile burglar field, more particularly to a kind of arrangements for automotive doors security protection dress with authentication
Put.
Background technology
At present, remote control class automobile anti-theft lock popularize 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, it 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 to 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 simply 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 may still cause the Wrong control of automobile starting state even stolen.
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 band identity
The arrangements for automotive doors safety device of checking.
Technical proposal that the invention solves the above-mentioned problems is：
A kind of arrangements for automotive doors safety device with authentication, including microprocessor 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 reader 6, electronic tag 7, DC voltage-stabilizing
Power supply 8 and alarm module 9；Microprocessor 1 feeds back mould with car door lock feedback module 2, door side feedback module 3, vehicle wheel rotational speed respectively
Block 4, car door lock control module 5, radio frequency reader 6 are connected with alarm module 9；Radio frequency reader 6 is used to realize with electronic tag 7
Communication.
Preferably, electronic tag 7 uses passive electronic label；Electronic tag 7 is placed in car key remote control.
Preferably, microcontroller 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 single-chip microcomputers.
Preferably, the arrangements for automotive doors safety device with authentication also includes：Crystal oscillating circuit 10, system clock crystal oscillator
Circuit 11, start-up circuit 12, 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.
Preferably, the arrangements for automotive doors safety device with authentication uses 5 radio frequency readers, and four car doors are with after
Standby chamber door respectively fills 1, wherein the first radio frequency reader 1 uses SPI Timing drivers, the second to the 5th radio frequency reader 2,3,4,5
Using 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.
Preferably, 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 measures 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, one end that optic coupling element 43 connects pull-up resistor 44 are output.
Still more preferably, optic coupling element 43 is preferably model TLP521 optic coupling element.
Preferably, DC-stabilized circuit include switch 81, first order reduction voltage circuit 82, resettable fuse 83, the
Two level reduction voltage circuit 84；Through the access first order of switch 81 reduction voltage circuit 82, the output of first order reduction voltage circuit 82 passes through power supply VCC
Resettable fuse 83 is connected to second level reduction voltage circuit 84, and second level reduction voltage circuit 84 exports.
Aforesaid way prevents voltage to occur disturbing and cisco unity malfunction, power circuit work is more stablized, more
Safety.
Preferably, 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 meet GND；Pin 6 meets output OUT by inductance 827 simultaneously.
Above-mentioned preferred embodiment can make the input IN of the arrangements for automotive doors safety device with authentication of the present invention straight
Connect automobile storage battery.
It is further preferred that first order decompression chip 821 is preferably the MP2359 chips of MPS companies.
Preferably, 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.
Preferably, alarm module 9 includes LED and loudspeaker, using ISD1760 as loudspeaker drive chip.
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, have high security and unique distinctive, and 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 caused by any radio frequency reader in magnetic field range, can be penetrated by any
Frequency reader is identified 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
It is that by improper opening, microprocessor alarm module will be driven to send sound and light alarm for car door, so as to avoid criminal sharp
With the means such as automobile remote-control signal intercept device illegally open car door steal in-car property event occur.
Brief description of the drawings
Fig. 1 is the structured flowchart of the arrangements for automotive doors safety device of the invention with authentication.
Fig. 2 is the arrangements for automotive doors safety device microprocessor peripheral circuit block diagram of the invention with authentication
Fig. 3 is the arrangements for automotive doors safety device vehicle wheel rotational speed feedback module circuit diagram of the invention with authentication.
Fig. 4 is the arrangements for automotive doors safety device DC-stabilized circuit block diagram of the invention with authentication.
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 further in detail, intactly to illustrate with reference to embodiment and accompanying drawing.
Such as the structured flowchart that Fig. 1 is the arrangements for automotive doors safety device of the invention with authentication, as shown in Figure 1, sheet
Invention mainly includes microprocessor 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 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 5, radio frequency reader 6 are connected with alarm module 9.
The feedback signal that microprocessor 1 is provided by detecting radio frequency reader 6 and other feedback modules, and to coherent signal
Carry out analyzing and processing 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 caused by radio frequency reader 6 in magnetic field range, it can be identified 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.
If Fig. 2 is the arrangements for automotive doors safety device microprocessor peripheral circuit block diagram with authentication of the invention, this
In be primarily referred to as the necessary module of microprocessor normal work.As shown in Figure 2, microcontroller 1 and other peripheral circuit module phases
Connection.Here microprocessor 1 is preferably the STM32F103ZET6 of STMicw Electronics, is 32 single-chip microcomputers.Its peripheral circuit
Module includes：Crystal oscillating circuit 10, system clock crystal oscillating circuit 11, start-up circuit 12, back-up area power supply circuit 13, reset circuit
14.Crystal oscillating circuit 10 be microprocessor 1 provide RTC clock, system clock crystal oscillating circuit 11 for whole system provide clock signal,
Start-up circuit 12 is configured to the Starting mode of microprocessor 1, back-up area power supply circuit 13 is the necessary mould in microprocessor 1
Block provides back-up source, reset circuit 14 is to carry out reset control to microprocessor 1.These modules are all conventional circuit mould
Block, just it is not described in detail here.It is emphasized that crystal oscillating circuit 10 is preferably RTC crystal oscillating circuits.
The STM32F103ZET6 of microprocessor 1 pin does not illustrate in figure.Its 6th pin connects back-up area power supply
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 uses 5 radio frequency readers altogether, four car doors and trunk door respectively fill 1, and wherein radio frequency is read
Device 1 connects the pin of the 73rd, 74,75 and 76 of single-chip microcomputer, and using SPI Timing drivers, radio frequency reader 2 connects the 69th and 70 pin, using IIC
Timing driver, radio frequency reader 3 connect the 26th and 27 pin, and using IIC Timing drivers, radio frequency reader 4 connects the 28th and 29 pin, use
IIC Timing drivers, radio frequency reader 5 connect the 44th and 45 pin, using IIC Timing drivers.
The specific annexation of above-mentioned pin is not illustrated 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 the arrangements for automotive doors safety device vehicle wheel rotational speed feedback module circuit diagram with authentication of the invention,
The cardinal principle of the module is：The continuous level signal for being exported Hall element using optic coupling element is converted into pulse signal for single
Piece machine samples.
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 measures 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, the other end ground connection of optic coupling element 43 by pull-up resistor 44, and 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 the arrangements for automotive doors safety device DC-stabilized circuit block diagram of the invention with authentication.Direct current
The effect of voltage-stabilized power supply 8 is to provide working power for whole warning device.As shown in Figure 4, power supply VCC is through the access of switch 81 first
Level reduction voltage circuit 82, the output of first order reduction voltage circuit 82 are connected to second level reduction voltage circuit 84 by resettable fuse 83, the
Two level reduction voltage circuit 84 exports.The effect of resettable fuse 83 is to prevent voltage from occurring disturbing and cisco unity malfunction, makes power supply
Circuit work is more stable, safer.Here power supply VCC directly can power by the use of automobile storage battery as power supply.Power supply VCC
5V is depressured to by first order reduction voltage circuit 82, the 5V voltages that first order reduction voltage circuit 82 exports drop through second level reduction voltage circuit 84
Powered after being pressed onto 3.3V to system each unit.
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, respectively pin 1 be BST pins (bootlace pin), pin 2 be GND pin
(grounding pin), pin 3 are FB pins (feedback pin), pin 4 is EN pins (enabled pin), pin 5 is 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, and the DC-stabilized circuit second level is depressured
The main function of module is for after 3.3V voltages by the 5V voltage step-downs of DC-stabilized circuit first order voltage reduction module output
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 it is concurrent that the alarm module receives the control signal that microprocessor 1 exports
Go out sound and light alarm.It uses ISD1760 as loudspeaker drive chip, has recording and player function, ISD1760 record length
Length is up to 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：
When microprocessor 1 detects that automobile door lock is unlocked by car door lock feedback module 2, microprocessor 1 will be right immediately
The output signal of door side feedback module 3 is detected, if detecting that car door is opened, 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 will be driven and alarmed by improper opening, microprocessor 1
Module 9 sends sound and light alarm.
When microprocessor 1 detects that automobile door lock is unlocked by car door lock feedback module 2, and latter section is unlocked in door lock
(be preferably 30 seconds) does not detect that car door 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 into resting state to save electric energy；And when microprocessor 1 once detects that automotive wheel rotating speed is 0
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, have high security and unique distinctive, and 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 caused by any radio frequency reader in magnetic field range, can be penetrated by any
Frequency reader is identified 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
It is that by improper opening, microprocessor alarm module will be driven to send sound and light alarm for car door, so as to avoid criminal sharp
With the means such as automobile remote-control signal intercept device illegally open car door steal in-car property event occur.
It is pointed out that the invention is not restricted to above-mentioned embodiment, any person skilled in the art based on
Any simple modification, equivalent change and modification made in technical solution of the present invention to above-described embodiment, belong to the present invention's
In protection domain.
Claims (7)
- A kind of 1. arrangements for automotive doors safety device with authentication, it is characterised in that：Fed back including microprocessor, car door lock Module, door side feedback module, vehicle wheel rotational speed feedback module, car door lock control module, radio frequency reader, electronic tag, direct current are steady Voltage source and alarm module；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 are connected with alarm module；Radio frequency reader, which is used to realize with electronic tag, to be communicated.
- 2. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：Band authentication Arrangements for automotive doors safety device also include：Crystal oscillating circuit, system clock crystal oscillating circuit, start-up circuit, back-up area power supply electricity Road, reset circuit.
- 3. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：Electronic tag is Passive electronic label；Electronic tag is placed in car key remote control.
- 4. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：The radio frequency is read It is 5 to read device, and four car doors and trunk door respectively fill 1, wherein first radio frequency reader uses SPI Timing drivers, second IIC Timing drivers are used to the 5th radio frequency reader.
- 5. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：Vehicle wheel rotational speed is anti- Feedback module is that the continuous level signal for being exported Hall element using optic coupling element is converted into pulse signal for single-chip microcomputer sampling.
- 6. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：DC voltage-stabilizing electricity Source circuit include switch, first order reduction voltage circuit, resettable fuse, second level reduction voltage circuit；Power supply is through switch access first Level reduction voltage circuit, the output of first order reduction voltage circuit are connected to second level reduction voltage circuit, second level decompression by resettable fuse Circuit output.
- 7. the arrangements for automotive doors safety device with authentication as claimed in claim 1, it is characterised in that：Alarm module bag LED and loudspeaker are included, using ISD1760 as loudspeaker drive chip.
Priority Applications (1)
| 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 |
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| 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 |
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| CN201410799547.2A Division CN104590209B (en) | 2014-12-19 | 2014-12-19 | A kind of alarming device for automobile anti-theft |
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| CN107399297A true CN107399297A (en) | 2017-11-28 |
| CN107399297B CN107399297B (en) | 2019-10-15 |
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| CN201410799547.2A Active CN104590209B (en) | 2014-12-19 | 2014-12-19 | A kind of alarming device for automobile anti-theft |
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Cited By (2)
| 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 |
| CN114550316A (en) * | 2022-04-27 | 2022-05-27 | 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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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104590209B (en) | 2017-08-15 |
| CN107399297B (en) | 2019-10-15 |
| CN104590209A (en) | 2015-05-06 |
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