CN105863404A - Device for preventing collision accidents during automobile door opening - Google Patents
Device for preventing collision accidents during automobile door opening Download PDFInfo
- Publication number
- CN105863404A CN105863404A CN201610368205.4A CN201610368205A CN105863404A CN 105863404 A CN105863404 A CN 105863404A CN 201610368205 A CN201610368205 A CN 201610368205A CN 105863404 A CN105863404 A CN 105863404A
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- Prior art keywords
- signal
- pin
- door
- resistance
- npn type
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/56—Control of actuators
- E05B81/58—Control of actuators including time control, e.g. for controlling run-time of electric motors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/72—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
Abstract
The invention discloses a device for preventing collision accidents during automobile door opening. The device comprises a signal acquisition module, a control module and an execution module; the signal acquisition module is composed of an automobile door electronic lock signal acquisition part and an automobile door handle position signal acquisition part; an electric door lock main switch signal and an automobile door handle position signal are collected and are subject to signal conversion; the control module is connected with the signal acquisition module, a sensor signal obtained by the signal acquisition module is comprehensively treated, and a control signal is output; the execution module is connected with the control module, and a control signal output by the control module is treated so as to control an automobile door lock electric motor, and through electric motor positive and reverse rotation, locking and unlocking of an automobile door are achieved; and according to the device for preventing the collision accidents during automobile door opening, in the automobile door opening process, the short delay effect is achieved, the aim of reminding passengers in the automobile to pay attention to pedestrians and automobiles behind the automobile is achieved, and the beneficial effects of being easy to operate, low in cost and the like are achieved.
Description
Technical field
The present invention relates to technical field of vehicle safety, particularly relate to cause when one prevents arrangements for automotive doors from opening collision
The device of accident.
Background technology
Should the most heuristically open a crack when car door opened by vehicle, fully open again after then confirming safety
Car door is also got off rapidly.But, the vehicle accident caused because hastily opening car door in reality is of common occurrence.Existing
Device accidents caused during the anti-automobile car door opening having typically delays, by design mechanical locking arrangement, speed of opening the door
Degree, or install Pedestrians and vehicles around the detection car door such as ultrasonic sensor, infrared sensor controls whether to open the door additional
Open.These methods need to install additional complex machinery or electronic equipment, relatively costly.
Summary of the invention
It is an object of the invention to provide a kind of device causing collision accident when preventing arrangements for automotive doors from opening, utilized
By hardware circuit and software, the hardware resource being equipped with on existing automobile, judges that occupant opens the door intention, and car door is beaten
Open procedure occurs of short duration time-lag action, reaches the mesh reminding passenger to note rear view of vehicle pedestrian and vehicle
, there is the features such as simple to operate, low cost, wide adaptability.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of device causing collision accident when preventing arrangements for automotive doors from opening, including signal acquisition module, controls mould
Block and execution module, described
Signal acquisition module, by door electronic lock signals collecting part and door handle position signal acquisition part group
Become, be used for gathering electric door lock master switch signal and door handle position signalling and carrying out signal conversion；
Control module, is connected with signal acquisition module, enters for the sensor signal obtaining signal acquisition module
Row integrated treatment, it may be judged whether door electronic lock is unlocked, and export control signal；
Perform module, be connected with control module, process to control car to the control signal of control module output
Latch motor, and moved by motor forward/backward rotation and realize locking and unlocking of car door.
Described door electronic lock signal acquisition part divide include electric door lock master switch SW, photoisolator U2,
Resistance R3 and resistance R4, electric door lock master switch SW are double-point double-throw switch, described electric door lock master switch
The fixed contact of SW is connected by No. 1 terminals of resistance R3 and photoisolator U2, and electric door lock master open
The first group of pin closing SW is connected by resistance R2, electric fuse FU and+12V power supply, and also with photoelectricity every
No. 2 terminals from device U2 connect, No. 3 terminals of photoisolator U2 and the P1.4 of single-chip microcomputer U1
Pin connects, and is connected also by resistance R4 and+5V power supply, No. 4 wiring terminations of photoisolator U2
Ground.When occupant presses door electronic lock button, the position of electric door lock master switch SW changes, according to
Its position difference can be determined that car door is in unblock or locking state, and photoisolator U2 is electronic by gather
Door lock master switch SW signal integration becomes the P1.4 pin of low and high level input single-chip microcomputer U1；When occupant is by car door
When electronic lock button is placed in upper lock position, the double-pole of electric door lock master switch SW is beaten to first group of the right pin,
Make the LEDs ON in photoisolator U2, the now signal of the P1.4 pin of input single-chip microcomputer U1
For low-potential signal；When door electronic lock button is placed in unlocked position by occupant, electric door lock master switch SW
Double-pole beat to second group of left side pin, make the light emitting diode in photoisolator U2 end, now input
The signal of the P1.4 pin of single-chip microcomputer U1 is high potential signal.Therefore, the P1.4 pin of single-chip microcomputer U1 is detected
Incoming level height can be determined that the state of door electronic lock.
Described door handle position signal acquisition part include slide rheostat RV, NPN type triode Q2,
Resistance R1 and resistance R6 composition, the slider of slide rheostat RV is connected with door handle axle, with car
The rotation of door handle axle and move, for collecting vehicle door handle position signalling, slide rheostat RV mono-fixes
End is connected with+5V power supply, and is connected with the colelctor electrode of NPN type triode Q2 also by resistance R6, slides
Another fixing end ground connection of rheostat RV, slide rheostat RV sliding end is by resistance R1 and NPN type three
The base stage of pole pipe Q2 connects, the grounded emitter of NPN type triode Q2, the collection of NPN type triode Q2
Electrode is connected with the P1.0 pin of single-chip microcomputer U1 with the junction point of resistance R6.Slide rheostat RV is used for adopting
Collection door handle position signalling, during original state, the slider of slide rheostat RV is positioned at slide rheostat
The bottom of RV, owing to the slider of slide rheostat RV is connected with door handle axle, and with door handle
The rotation of hands axle and move, when passenger pulls door handle, the slider of slide rheostat RV to
Upper movement, when moving to certain position, it is determined that needs to open car door for occupant, when occupant decontrols door handle
After, the slider of slide rheostat RV is in original state again with the rotation of vehicle door handle axle；NPN
Type audion Q2 is for being converted into the door handle position signalling gathered low and high level input single-chip microcomputer U1's
P1.0 pin.When the slider of slip variable resistance RV is less than certain position, the base of NPN type triode Q2
Pole tension is relatively low, and NPN type triode Q2 is ended, and now the signal of the P1.0 pin of input single-chip microcomputer U1 is
High potential signal；When the slider of slide rheostat RV is higher than certain position, NPN type triode Q2
Base voltage makes NPN type triode Q2 turn on, and now the signal of the P1.0 pin of input single-chip microcomputer U1 is
Low-potential signal.Therefore, the incoming level height of the P1.0 pin of detection single-chip microcomputer U1 can be determined that occupant is
No manually pull door handle open the door to certain position.
Described control module is a single-chip microcomputer U1 system, and it inputs according to P1.0 pin and P1.4 pin
Signal synthesis judges whether to be unlocked door electronic lock, if desired unlocks, first time delay 1 second, by
P1.7 pin output high level signal；If need not unlock, then directly by P1.7 pin output low level signal.
Only when door electronic lock button is put and is in released state, passenger manually pulls door handle to a location simultaneously
Put, i.e. when P1.0 pin input low-potential signal and P1.4 pin input high potential signal, single-chip microcomputer U1
Being judged to need to unlock, now time delay was exported high level signal by P1.7 pin after 1 second.
Described execution module includes NPN type triode Q1 and motor M, the base of NPN type triode Q1
Pole is connected to the P1.7 pin of single-chip microcomputer U1 by resistance R5, and the colelctor electrode of NPN type triode Q1 passes through
Resistance R2, electric fuse FU and+12V power supply are connected, and the emitter stage of NPN type triode Q1 connects Electrically operated gate
Second group of pin of lock master switch SW, the fixed contact of electric door lock master switch SW is connected with motor M.
NPN type triode Q1 realizes solving lock control according to the P1.7 pin output signal of single-chip microcomputer U1, when car door electricity
Son lock is when being in locking state, during the P1.7 pin output low level of single-chip microcomputer U1, and NPN type triode Q1
Cut-off, motor M does not works；When door electronic lock is in released state, the P1.7 of single-chip microcomputer U1 simultaneously
During pin output high level, NPN type triode Q1 turns on so that motor M work is to realize unlocking；
Motor M realizes locking and unlocking of door electronic lock, as in figure 2 it is shown, when electric current flows through electricity from right to left
During motivation M, motor M rotates forward, it is achieved lock；When electric current flows through motor M from left to right, electricity
Motivation M inverts, it is achieved unlock.
The operation principle of the present invention is: when locking, and after closing of the door, door electronic lock button is placed in upper lock position,
Can realize locking by the work of latch motor；During unblock, door electronic lock is placed in released state, this
Time latch motor there is no action, when occupant manually pulls door handle to certain position, control module is through short
Controlling latch motor after time delay temporarily to work to realize unlocking, this tail gate just can be with manual unlocking.Therefore, exist
When occupant initially pulls door handle, car door will not be opened immediately, and is intended to after the of short duration time.Cause
Can only wait for car door within this of short duration time cannot open, it is possible to make passenger recognize and sometimes
Between note rear view of vehicle pedestrian and the purpose of vehicle.
Compared with the prior art, beneficial effects of the present invention is as follows:
The device causing collision accident when preventing arrangements for automotive doors from opening of the present invention, utilizes outfit on existing automobile
By hardware circuit and software, hardware resource, judges that occupant opens the door intention, when occupant presses door electronic lock button
During unblock, electronic lock unlocks the most immediately, but when occupant manually pulls door handle to certain position, control
Molding block controls latch motor after of short duration time delay and works to realize unlocking, and this tail gate just can manually be beaten
Open, reach the purpose reminding passenger to note rear view of vehicle pedestrian and vehicle, have simple to operate, low cost,
The features such as wide adaptability.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the circuit theory diagrams of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
See accompanying drawing 1 and accompanying drawing 2, a kind of device causing collision accident when preventing arrangements for automotive doors from opening, including
Signal acquisition module, control module and execution module, described
Signal acquisition module, by door electronic lock signals collecting part and door handle position signal acquisition part group
Become, be used for gathering electric door lock master switch signal and door handle position signalling and carrying out signal conversion；
Control module, is connected with signal acquisition module, enters for the sensor signal obtaining signal acquisition module
Row integrated treatment, it may be judged whether door electronic lock is unlocked, and export control signal；
Perform module, be connected with control module, process to control car to the control signal of control module output
Latch motor, and moved by motor forward/backward rotation and realize locking and unlocking of car door.
Described door electronic lock signal acquisition part divide include electric door lock master switch SW, photoisolator U2,
Resistance R3 and resistance R4, electric door lock master switch SW are double-point double-throw switch, described electric door lock master switch
The fixed contact of SW is connected by No. 1 terminals of resistance R3 and photoisolator U2, and electric door lock master open
The first group of pin closing SW is connected by resistance R2, electric fuse FU and+12V power supply, and also with photoelectricity every
No. 2 terminals from device U2 connect, No. 3 terminals of photoisolator U2 and the P1.4 of single-chip microcomputer U1
Pin connects, and is connected also by resistance R4 and+5V power supply, No. 4 wiring terminations of photoisolator U2
Ground.When occupant presses door electronic lock button, the position of electric door lock master switch SW changes, according to
Its position difference can be determined that car door is in unblock or locking state, and photoisolator U2 is electronic by gather
Door lock master switch SW signal integration becomes the P1.4 pin of low and high level input single-chip microcomputer U1；When occupant is by car door
When electronic lock button is placed in upper lock position, the double-pole of electric door lock master switch SW is beaten to first group of the right pin,
Make the LEDs ON in photoisolator U2, the now signal of the P1.4 pin of input single-chip microcomputer U1
For low-potential signal；When door electronic lock button is placed in unlocked position by occupant, electric door lock master switch SW
Double-pole beat to second group of left side pin, make the light emitting diode in photoisolator U2 end, now input
The signal of the P1.4 pin of single-chip microcomputer U1 is high potential signal.Therefore, the P1.4 pin of single-chip microcomputer U1 is detected
Incoming level height can be determined that the state of door electronic lock.
Described door handle position signal acquisition part include slide rheostat RV, NPN type triode Q2,
Resistance R1 and resistance R6 composition, the slider of slide rheostat RV is connected with door handle axle, with car
The rotation of door handle axle and move, for collecting vehicle door handle position signalling, slide rheostat RV mono-fixes
End is connected with+5V power supply, and is connected with the colelctor electrode of NPN type triode Q2 also by resistance R6, slides
Another fixing end ground connection of rheostat RV, slide rheostat RV sliding end is by resistance R1 and NPN type three
The base stage of pole pipe Q2 connects, the grounded emitter of NPN type triode Q2, the collection of NPN type triode Q2
Electrode is connected with the P1.0 pin of single-chip microcomputer U1 with the junction point of resistance R6.Slide rheostat RV is used for adopting
Collection door handle position signalling, during original state, the slider of slide rheostat RV is positioned at slide rheostat
The bottom of RV, owing to the slider of slide rheostat RV is connected with door handle axle, and with door handle
The rotation of hands axle and move, when passenger pulls door handle, the slider of slide rheostat RV to
Upper movement, when moving to certain position, it is determined that needs to open car door for occupant, when occupant decontrols door handle
After, the slider of slide rheostat RV is in original state again with the rotation of vehicle door handle axle；NPN
Type audion Q2 is for being converted into the door handle position signalling gathered low and high level input single-chip microcomputer U1's
P1.0 pin.When the slider of slip variable resistance RV is less than certain position, the base of NPN type triode Q2
Pole tension is relatively low, and NPN type triode Q2 is ended, and now the signal of the P1.0 pin of input single-chip microcomputer U1 is
High potential signal；When the slider of slide rheostat RV is higher than certain position, NPN type triode Q2
Base voltage makes NPN type triode Q2 turn on, and now the signal of the P1.0 pin of input single-chip microcomputer U1 is
Low-potential signal.Therefore, the incoming level height of the P1.0 pin of detection single-chip microcomputer U1 can be determined that occupant is
No manually pull door handle open the door to certain position.
Described control module is a single-chip microcomputer U1 system, and it inputs according to P1.0 pin and P1.4 pin
Signal synthesis judges whether to be unlocked door electronic lock, if desired unlocks, first time delay 1 second, by
P1.7 pin output high level signal；If need not unlock, then directly by P1.7 pin output low level signal.
Only when door electronic lock button is put and is in released state, passenger manually pulls door handle to a location simultaneously
Put, i.e. when P1.0 pin input low-potential signal and P1.4 pin input high potential signal, single-chip microcomputer U1
Being judged to need to unlock, now time delay was exported high level signal by P1.7 pin after 1 second.
Described execution module includes NPN type triode Q1 and motor M, the base of NPN type triode Q1
Pole is connected to the P1.7 pin of single-chip microcomputer U1 by resistance R5, and the colelctor electrode of NPN type triode Q1 passes through
Resistance R2, electric fuse FU and+12V power supply are connected, and the emitter stage of NPN type triode Q1 connects Electrically operated gate
Second group of pin of lock master switch SW, the fixed contact of electric door lock master switch SW is connected with motor M.
NPN type triode Q1 realizes solving lock control according to the P1.7 pin output signal of single-chip microcomputer U1, when car door electricity
Son lock is when being in locking state, during the P1.7 pin output low level of single-chip microcomputer U1, and NPN type triode Q1
Cut-off, motor M does not works；When door electronic lock is in released state, the P1.7 of single-chip microcomputer U1 simultaneously
During pin output high level, NPN type triode Q1 turns on so that motor M work is to realize unlocking；
Motor M realizes locking and unlocking of door electronic lock, as in figure 2 it is shown, when electric current flows through electricity from right to left
During motivation M, motor M rotates forward, it is achieved lock；When electric current flows through motor M from left to right, electricity
Motivation M inverts, it is achieved unlock.
Original state: the slider of slide rheostat RV is in bottom, now NPN type triode Q2
Cut-off, then the current potential of the P1.0 pin of input single-chip microcomputer U1 is high potential signal, now, single-chip microcomputer U1's
P1.7 pin output low level signal, NPN type triode Q1 is ended.
When locking: press door electronic lock button after closing of the door and be at upper lock position, will electric door lock
The double-pole of master switch SW is beaten to the right, and now electric current flows successively through electric fuse FU, resistance from+12V power supply
R2, the rightmost joint of electric door lock master switch SW, motor M, electric door lock master switch SW,
+ 12VGND, this process motor M rotate forward, it is achieved car door is locked.Now, resistance R3 left end voltage is relatively
Height makes the LEDs ON in photoisolator U2, therefore the light sensitive diode in photoisolator U2
Conducting, resistance R4 left end current potential is low level, then the current potential of the P1.4 pin of input single-chip microcomputer U1 is low electricity
Flat, the P1.7 pin output low level signal of single-chip microcomputer U1, NPN type triode Q1 is ended.
During unblock: press door electronic lock button and be at unlocked position, will electric door lock master switch SW
Double-pole beat to the left side, now because the P1.7 pin output low level signal of single-chip microcomputer so that NPN type three
Pole pipe Q1 ends, therefore motor M does not has action.When occupant pulls automobile door handle, slide rheostat
The slider of RV moves from the bottom up, and the voltage of the base stage input of NPN type triode Q2 will increase therewith
Height, when the slider of slide rheostat RV reaches certain position, the base stage of NPN type triode Q2 is defeated
The voltage entered will be increased to so that NPN type triode Q2 turns on, then be input to the P1.0 of single-chip microcomputer U1
The current potential of pin is electronegative potential；Meanwhile, resistance R3 left end is connected with+12VGND so that photoisolator
Light emitting diode cut-off in U2, therefore the light sensitive diode cut-off in photoisolator U2, resistance R4 left end
Current potential is high level, then the current potential of the P1.4 pin of input single-chip microcomputer U1 is high level.Therefore, single-chip microcomputer
U1 time delay was exported high level signal by P1.7 pin after 1 second；This signal through resistance R5 to NPN type triode
Q1 base stage, makes NPN type triode Q1 turn on, and now, electric current flows successively through electric fuse from+12V power supply
FU, resistance R2, NPN type triode Q1, the Far Left joint of electric door lock master switch SW, motor
M, electric door lock master switch SW ,+12VGND, realize motor M reversion during this and make car door unlock,
Car door can be opened.
Claims (2)
1. the device causing collision accident when preventing arrangements for automotive doors from opening, it is characterised in that: include signal
Acquisition module, control module and execution module, described
Signal acquisition module, by door electronic lock signals collecting part and door handle position signal acquisition part group
Become, be used for gathering electric door lock master switch signal and door handle position signalling and carrying out signal conversion；
Control module, is connected with signal acquisition module, enters for the sensor signal obtaining signal acquisition module
Row integrated treatment, it may be judged whether door electronic lock is unlocked, and export control signal；
Perform module, be connected with control module, process to control car to the control signal of control module output
Latch motor, and moved by motor forward/backward rotation and realize locking and unlocking of car door.
The device causing collision accident when preventing arrangements for automotive doors from opening the most according to claim 1, it is special
Levy and be:
Described door electronic lock signal acquisition part divide include electric door lock master switch SW, photoisolator U2,
Resistance R3 and resistance R4, electric door lock master switch SW are double-point double-throw switch, described electric door lock master switch
The fixed contact of SW is connected by No. 1 terminals of resistance R3 and photoisolator U2, and electric door lock master open
The first group of pin closing SW is connected by resistance R2, electric fuse FU and+12V power supply, and also with photoelectricity every
No. 2 terminals from device U2 connect, No. 3 terminals of photoisolator U2 and the P1.4 of single-chip microcomputer U1
Pin connects, and is connected also by resistance R4 and+5V power supply, No. 4 wiring terminations of photoisolator U2
Ground, the electric door lock master switch SW signal integration of collection is become low and high level to input monolithic by photoisolator U2
The P1.4 pin of machine U1；
Described door handle position signal acquisition part include slide rheostat RV, NPN type triode Q2,
Resistance R1 and resistance R6 composition, the slider of slide rheostat RV is connected with door handle axle, with car
The rotation of door handle axle and move, for collecting vehicle door handle position signalling, slide rheostat RV mono-fixes
End is connected with+5V power supply, and is connected with the colelctor electrode of NPN type triode Q2 also by resistance R6, slides
Another fixing end ground connection of rheostat RV, slide rheostat RV sliding end is by resistance R1 and NPN type three
The base stage of pole pipe Q2 connects, the grounded emitter of NPN type triode Q2, the collection of NPN type triode Q2
Electrode is connected with the P1.0 pin of single-chip microcomputer U1 with the junction point of resistance R6, and NPN type triode Q2 is adopting
The door handle position signalling of collection is converted into the P1.0 pin of low and high level input single-chip microcomputer U1；
Described control module is a single-chip microcomputer U1 system, and it inputs according to P1.0 pin and P1.4 pin
Signal synthesis judges whether to be unlocked door electronic lock, if desired unlocks, first time delay 1 second, by
P1.7 pin output high level signal；If need not unlock, then directly by P1.7 pin output low level signal；
Described execution module includes NPN type triode Q1 and motor M, the base of NPN type triode Q1
Pole is connected to the P1.7 pin of single-chip microcomputer U1 by resistance R5, and the colelctor electrode of NPN type triode Q1 passes through
Resistance R2, electric fuse FU and+12V power supply are connected, and the emitter stage of NPN type triode Q1 connects Electrically operated gate
Second group of pin of lock master switch SW, the fixed contact of electric door lock master switch SW is connected with motor M；
NPN type triode Q1 realizes solving lock control, motor M according to the P1.7 pin output signal of single-chip microcomputer U1
Realize locking and unlocking of door electronic lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368205.4A CN105863404B (en) | 2016-05-24 | 2016-05-24 | Device for preventing collision accident caused when automobile door is opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610368205.4A CN105863404B (en) | 2016-05-24 | 2016-05-24 | Device for preventing collision accident caused when automobile door is opened |
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| Publication Number | Publication Date |
|---|---|
| CN105863404A true CN105863404A (en) | 2016-08-17 |
| CN105863404B CN105863404B (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610368205.4A Active CN105863404B (en) | 2016-05-24 | 2016-05-24 | Device for preventing collision accident caused when automobile door is opened |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031507A (en) * | 2017-03-15 | 2017-08-11 | 广东机电职业技术学院 | Automobile door lock triggers security system and its method of work |
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| CN204472678U (en) * | 2014-12-21 | 2015-07-15 | 尹治平 | A kind of door opening collision prevention device |
| CN205098047U (en) * | 2015-11-16 | 2016-03-23 | 西南大学 | Open door of car prevents impact system |
| CN205778035U (en) * | 2016-05-24 | 2016-12-07 | 安徽科技学院 | A kind of device causing collision accident when preventing arrangements for automotive doors from opening |
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|---|---|---|---|---|
| JPH0274776A (en) * | 1988-09-12 | 1990-03-14 | Nissan Shatai Co Ltd | Locking device for automobile door |
| CN202753850U (en) * | 2012-02-28 | 2013-02-27 | 浙江吉利汽车研究院有限公司 | Vehicular door opening anti-collision device |
| CN104097601A (en) * | 2013-04-08 | 2014-10-15 | 同济大学 | Automobile anti-collision door self-locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107031507A (en) * | 2017-03-15 | 2017-08-11 | 广东机电职业技术学院 | Automobile door lock triggers security system and its method of work |
| CN107031507B (en) * | 2017-03-15 | 2023-03-14 | 广东机电职业技术学院 | Automobile door lock triggering safety system and working method thereof |
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