CN1597397A - Collision-proof device for opening automobile door - Google Patents
Collision-proof device for opening automobile door Download PDFInfo
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- CN1597397A CN1597397A CN 200410012466 CN200410012466A CN1597397A CN 1597397 A CN1597397 A CN 1597397A CN 200410012466 CN200410012466 CN 200410012466 CN 200410012466 A CN200410012466 A CN 200410012466A CN 1597397 A CN1597397 A CN 1597397A
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Abstract
The patent relates to electronic protector for car. A security device for preventing door from collision as it opens, consists of a Fresnel lens, an infrared detector, a pre-amplifying circuit, an A/D converter, a light compensator, a temperature compensator, a monolithic computer, a door switch, an manual unlocking unit a speech reminder, and interfaces between the security device and the door actuator of the car. When passenger want to get off the car the security device can lock the door and make an acoustic alarm, in music or in a speech while the protector finding an object running from side back. The manual unlocking unit can help passengers make up a decision to wait a moment or not.
Description
Technical field
The present invention relates to the vehicle electronics safety device, relate to a kind of automobile door opening anticollision device specifically.
Background technology
Along with the automobile industry of China is surging forward, just changing the life of each clan owning cars.But for driving family, usually can run into such situation; when car being rested on the road limit or interim Parking; passenger in the car opens the door and prepares to get off; at this moment sail the bicycle that comes or automobile because in advance offhand having little time braked from the rear flank face; thereby heavy hitting on the car door; such accident has all brought unnecessary even fatal loss for both sides, and is difficult to call to account.
Therefore, exist above-mentioned defective, how to solve effectively and take very necessary crashproof means, do not see relevant report so far for automobile.
Summary of the invention
The purpose of this invention is to provide a kind of automobile door opening anticollision device, make the people in its car prepare to open the door when getting off, can detect the moving target thing of the proceeds posterolateral of this car door sails, this device can pin car door automatically, send alarm simultaneously, thus the problem of avoiding effectively and bumping against when having solved opening vehicle door.
For achieving the above object, technical solution of the present invention is finished by following measure: a kind of automobile door opening anticollision device, it comprises that tool one infrared pickoff connects pre-amplification circuit, mouth by pre-amplification circuit connects an A/D change-over circuit, connect single chip circuit by the A/D change-over circuit, wherein, connect illumination compensation circuit and temperature-compensation circuit respectively by the A/D change-over circuit; Wherein, by micro controller system respectively with door contact interrupter, manual unlocking switch, voice cue module, automobile self-locking system, voltage-stabilized power supply circuit connect to form.
1 pin of aforesaid infrared pickoff J1 joins by current-limiting resistance R1 and power supply VCC, its 3 pin ground connection, and 2 pin are leaded up to filter capacitor C1 ground connection, and another road is connected to amplifier U1A in-phase input end 3 pin.
Aforesaid pre-amplification circuit is leaded up to resistance R 3 ground connection by inverting input 2 pin of amplifier U1A, and another road is respectively by resistance R 2 and filter capacitor C2 and be attached to 1 pin of mouth; 1 pin of this amplifier U1A is divided into two-way by resistance R 4, and one the tunnel is connected to 6 pin of the inverting input of amplifier U1B, and another road is respectively by resistance R 5 and filter capacitor C3 and be attached to 7 pin of mouth; In-phase input end 5 pin of U1B are connected to resistance R 6 power connection VCC respectively and are connected to variable resistance R7 ground connection.
Aforesaid A/D change-over circuit, be connected to 26 pin of U2 by mouth 7 pin of U1B, the 16 pin ground connection of conversion chip U2,12 pin connect 3 pin of voltage stabilizing chip U5, the mouth 21 of U2,20,19,18,8,15,14,17 pin respectively with the I/O port 39 of micro controller system U3,38,37,36,35,34,33,32 pin join, 23 of U2,24,25 pin are the channel selecting end, 23 pin ground connection wherein, 24 and 25 pin join with 22 and 21 pin of micro controller system U3 respectively, 22 of U2,9,6 pin respectively with 23 of micro controller system and U3,24,25 pin join, input end of clock 10 pin of U2 and 3 pin of active crystal oscillator J2 join 1 of J2,4 pin connect power supply VCC, the 2 pin ground connection of J2.
Aforesaid illuminance equalizer circuit, the quick resistance R 91 1 end ground connection of electric light, the other end divides three the tunnel to join by variable resistance R81 and power supply VCC respectively; Lead up to filter capacitor C51 ground connection; One the tunnel joins with 28 pin of A/D conversion chip U2.
Aforesaid temperature-compensation circuit, by thermally dependent resistor R92 one end ground connection, the other end divides three the tunnel to join by variable resistance R82 and power supply VCC respectively; Lead up to filter capacitor C52 ground connection; One the tunnel joins with 1 pin of A/D conversion chip U2.
Aforesaid single chip circuit, join with 21,20,19,18,8,15,14,17 pin of U2 respectively by 39,38,37,36,35,34,33,32 pin of U3,21,23,24,25 pin of U3 join with 25,24,22,9,6 pin of U2 respectively, wherein 26 pin of U3 are connected to voice cue module, and 1,3 pin of U3 are connected to door contact interrupter and manual unlocking switch respectively; 12,13,14,15 pin of U3 are car door self-locking signal output, join with the automobile electronic system interface; Be connected with crystal between 18,19 pin of U3, the two ends of crystal are respectively by capacitor C 01 and C02 ground connection, and 9 pin are leaded up to resistance R 11 ground connection, lead up to capacitor C 4 power connection VCC.
Aforesaid door contact interrupter, by the termination power VCC of pull-up resistor R101, the other end is by connecting switch S 11 ground connection.
Aforesaid manual unlocking switch, by the termination power VCC of pull-up resistor R201, the other end is by connecting switch S 21 ground connection.
Aforesaid voltage-stabilized power supply circuit, 1 pin by voltage stabilizing chip U4 is connected to automobile power source+24 (12) V respectively and passes through capacitor C 6, C7 ground connection in parallel, 3 pin ground connection, 2 pin are connected to power supply VCC and capacitor C 8, C9 ground connection in parallel respectively, joined by 1 pin of U4 and 1 pin of adjustable voltage stabilizing chip U5,2 pin of U5 divide three the tunnel to connect variable resistance R12 ground connection respectively; Lead up to capacitor C 10 ground connection; The resistance R 13 of leading up to is connected to 3 pin of U5; Wherein, 3 one the tunnel of U5 join with 12 pin of U2; Another road is by capacitor C 11 ground connection.
The good effect that automobile door opening anticollision device of the present invention has is:
1,, might control in real time with the moving target thing that car door bumps against in the certain limit of car both sides.This investigative range is: car both sides 0-1.5M, 0-20M behind the car; If the object that bumps against satisfies in investigative range and the forward automobile moves, the detector output collision-proof alarm signal of this device.
2, have the car door self-locking and the prompting function that opens the door.If the output collision-proof alarm signal of detector when opening the door, promptly have target to bump against with the car door of opening, then device pins this car door automatically, and sends musical sound or voice suggestion, remind the to drive people of door, if this moment suddenly the driving goalkeeper may bump against with the object of back; If detector does not have output alarm signal when opening the door, then can normally open.
3, manual unlocking function.In case this device car door self-locking is also sent voice suggestion, then the people of driving door learns that the rear flank face of car has object to sail, if the door opener thinks that object is enough far away from car door, thereby can when having sufficient car door around, open object car door, then can press unlock button and carry out manual unlocking, the convenient door of driving.
4, the fuel saving design of system.If nobody in the car, then this device stops to survey automatically, and subsequent conditioning circuit enters dormant state, sends out to reduce system power dissipation; When having the people to enter in the car, then circuit reenters normal working, and start sensor carries out real-time detection.
5, because the probe of selecting for use is small and exquisite, device is convenient in integral installation, can be used for being installed in two outer back mirrors of car, also can be installed in tailstock both sides.
Description of drawings
Fig. 1 is a system principle diagram of the present invention.
Fig. 2 is the circuit system schematic diagram of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiment, the invention will be further described.
By automobile door opening anticollision device shown in Figure 1, it comprises that pyroelectric infrared sensor 1 connects pre-amplification circuit 2, mouth by pre-amplification circuit 2 connects an A/D change-over circuit 3, connect single chip circuit 6 by A/D change-over circuit 3, wherein, connect illumination compensation circuit 4 and temperature-compensation circuit 5 respectively by A/D change-over circuit 3; Connect to form with door contact interrupter 7, manual unlocking switch 8, voice cue module 9, automotive lock door system interface 10 and voltage-stabilized power supply circuit 11 respectively by single chip circuit 6.The effect of this device is to prepare to open the door when getting off as the people in the car, there is object to sail if device detects the proceeds posterolateral of this car door, will pins car door automatically, and send musical sound or voice suggestion, remind the people who drives, this moment, the driving goalkeeper may be bumped against with the object of back suddenly; If he thinks that object is enough far away apart from car door, thereby can in the time that object is reacted, slowly open car door, then can press unlock button and carry out manual unlocking, open car door; So just can avoid the generation of car door opening collision accident effectively.
The schematic circuit diagram of automobile door opening anticollision device system have been provided by Fig. 2.It is by pyroelectric infrared sensor J1, be connected to current-limiting resistance R1 and power supply VCC joins by 1 pin on it, the 3 pin ground connection of J1, the 2 pin heat outputtings of J1 are released electric signal, the bonded assembly of leading up to filters capacitor C 1 ground connection, another road is connected described sensor with 3 pin that prop up the in-phase input end of putting U1A of front end can select PIR607, PZ288 is connected by 2 pin of the inverting input of amplifier U1A and is divided into three the tunnel: lead up to resistance R 3 ground connection, the resistance R 2 of leading up to is connected to 1 pin of U1A, the filter capacitor C2 of leading up to is connected to 1 pin of U1A, and this U1A plays one-level with the effect of amplifying; 1 pin by amplifier U1A joins by 6 pin of resistance R 4 with the inverting input of amplifier U1B, 6 pin by U1B and resistance R 5 and capacitor C 3 are in parallel joins with 7 pin U1B, 5 pin of U1B are leaded up to resistance R 6 and are joined with power supply VCC, another road is by variable resistance R7 ground connection, the pre-amplification circuit that is joined and formed by 26 pin of signal output part 7 pin of U1B and A/D conversion chip U2; By changing the resistance of resistance R 7, change the input voltage of 5 pin of U1B; Be used for the differential amplification of secondary by U1B; Described amplifier U1A, U1B can select LM324, OP07, ICL7650 for use, also can use the signal processing chip BST0001 of infrared pickoff special use.16 pin ground connection by A/D conversion chip U2,12 pin connect 3 pin of voltage stabilizing chip U5, and 21,20,19,18,8,15,14,17 pin of the digital signal output end of U2 join with 39,38,37,36,35,34,33,32 pin of the I/O port of micro controller system U3 respectively; 23,24,25 pin of U2 are the channel selecting end, the 23 pin ground connection of U2 wherein, and 24 and 25 pin join with 22 and 21 pin of micro controller system U3 respectively; 22,9,6 pin of U2 join with 23,24,25 pin of micro controller system U3 respectively, are used for starting U2 and carry out the A/D conversion; 10 pin of the input end of clock of U2 and 3 pin of active crystal oscillator J2 join; 1,4 pin of active crystal oscillator J2 connect power supply VCC, the A/D change-over circuit that the 2 pin ground connection of J2 are formed.This A/D conversion chip U2 is used for the measurement signal of two-way infrared pickoff, photoconductive cell and thermally dependent resistor is quantized.Be connected to the end of photoconductive cell R91, the other end ground connection of R91 by 28 pin one tunnel of A/D conversion chip U2; Lead up to filter capacitor C51 ground connection; Lead up to the illumination compensation circuit that variable resistance R81 and power supply VCC join and form.This circuit is used for ambient light is measured, and result of a measurement is as the correction foundation of infrared pickoff detectable signal.Be connected to the end of thermally dependent resistor R92, the other end ground connection of R92 by 1 pin one tunnel of U2; Lead up to filter capacitor C51 ground connection; Lead up to the temperature-compensation circuit that variable resistance R82 and power supply VCC join and form.This circuit is used for ambient temperature is measured, and result of a measurement is as the correction foundation of infrared pickoff detectable signal.Corresponding respectively 39,38,37,36,35,34,33,32 pin that are connected to micro controller system U3 of 21,20,19,18,8,15,14,17 pin by U2,25,24,22,9,6 pin of U2 are connected to 21,22,23,24,25 pin of U3 respectively, and 26 pin of U3 are connected to the control end of voice cue module.This micro controller system selects 8051 for use, and 1 pin of micro controller system U3 connects and is divided into two-way; The pull-up resistor R101 of leading up to connects power supply VCC; Lead up to door contact interrupter S11 ground connection.5 pin of U3 connect and are divided into two-way; The pull-up resistor R201 of leading up to connects power supply VCC; Lead up to manual unlocking switch S 21 ground connection.12,13,14,15 pin of U3 are that car door self-locking signal output is connected with the automobile electronic system interface.Connect a crystal between 19,18 pin of U3, the crystal two ends respectively by and the ground connection of the capacitor C 01 that connects, C02 9 pin that form oscillation circuit U3 connect and be divided into two-way: lead up to resistance R 11 ground connection, another road is by electric capacity power connection VCC.1 pin and automobile power source+24 (12) by voltage stabilizing chip U47805 join, simultaneously by capacitor C 6, C7 ground connection in parallel; The 3 pin ground connection of U4,2 pin and power supply VCC join, and by capacitor C 8 and C9 ground connection in parallel; 1 pin of U4 is connected in 1 pin of U5, and the connection of 2 pin of U5 is divided into three the tunnel: lead up to variable resistance R12 ground connection; Lead up to capacitor C 10 ground connection; The resistance R 13 of leading up to is connected with its 3 pin.3 pin one tunnel of U5 are connected with 12 pin of U2, the voltage-stabilized power supply circuit that capacitor C 11 ground connection that lead up to are formed; By the needed VREF (Voltage Reference) of U5A/D change-over circuit, the big I of voltage is regulated by variable resistance R12; Select by suitable element, the ripple rejection ratio of voltage can reach 80db.
Aforesaid infrared pickoff is furnished with the Fresnel lens optical head, place on the lens back focal plane, in order to control infrared pickoff the divergence of beam angle in 5 ° of-9 ° of scopes, improve the sensitivity of sensor simultaneously.
Aforesaid voice cue module can be selected the finished product of market sale for use, as products such as buzzer phone, voice music prompting or stroboscopic promptings.
Install and principle of work: infrared pickoff probe, photoconductive cell and the thermally dependent resistor of this automobile door opening anticollision device is installed on the outside rear-view mirror of automobile, circuit main board and speech control module are installed in the inboard of vehicle drive deck plate, link to each other by the lead in the car between the assembly, the effective detection range of infrared pickoff (joining optical head) is 10M, and detection width is 1.5M.
1) after system starts working, the SCM program initialization, 12～15 pin output car door self-locking enable signal of chip U3 pins 4 car doors; The level state of U3 cycle detection 1～4 pin then, 1～4 pin connects 4 door contact interrupters, as, the switch S 11 of left front door is joined with 1 pin of U3; Switch S 11 is in the normal off state, and for high level, if switch S 11 is pressed (be people in the car look on the bright side of things left front door), then 1 pin ground connection becomes low level to 1 pin after drawing on the pull-up resistor R101.
2) if the level that U3 detects 1 pin by high step-down, will be judged left front goalkeeper Yao Beikai; So startup U2 quantizes the result of detection of left side infrared pickoff.The output signal of left side infrared pickoff J1 carries out homophase through U1A earlier and amplifies, and carries out anti-phase differential amplification through U1B then, and the vdc that wherein needs to eliminate can be regulated by R7, and mouth 7 pin of U1B and 26 pin of U2 chip join.When startup U2 carries out digital to analogy conversion, earlier 21 and 22 pin by U3 with the port address of U2 (ADD-C～ADD-A) be made as 000, the level of 23 pin uprises by hanging down then, by ale signal port address is latched, then 25 pin produce the START signal, start the digital to analogy conversion of IN-0 passage; Wait for a period of time after (being about 100us), 24 human hair combing wastes of U3 go out the ENABLE signal, make U2 output transformation result, and receive by the P0 mouth (32～39 pin) of U3, obtain the quantized result a1 of signal.
3) wait for 0.5～1s, U3 starts U2 once more, quantizes the result of detection a2 of J1; Then start the digital to analogy conversion of U2 chip I N-2 and IN-3 end signal, draw the quantized result a3 and the a4 of reflection car external environment illuminance and temperature; By certain correction relational expression, utilize a3 and a4 that a1 and a2 are carried out suitable correction then; The A1 as a result and the A2 of twice of revised front and back are compared, if A2＜A1 (being that object may move backward), perhaps A2-A1＜B (is that object is enough slow to the speed that car door moves, the threshold value of B for setting), then explanation can be opened the left front door, so 13 human hair combing wastes of U3 go out unlocking signal, the people in the car can normally open this car door.
4) if A2-A1＞B (being that object is enough fast to the speed that car door moves), then at this moment explanation is opened the left front door and just may be sailed next object collision with the back, so 13 pin of U3 do not send unlocking signal, and start voice (or music) reminding module by 26 pin, send prompting to the people of the door of driving; Begin to detect 5 pin simultaneously, check whether the manual unlocking button S21 of left front door is pressed, if 5 pin are high level (being that S21 is not pressed), then this car door continues self-locking, if 5 pin are low level, then 13 human hair combing wastes of U3 go out unlocking signal, and the people in the car can normally open this car door.
Claims (10)
1. automobile door opening anticollision device, it is characterized in that it comprises that infrared pickoff (1) connects pre-amplification circuit (2), mouth by pre-amplification circuit (2) connects an A/D change-over circuit (3), connect single chip circuit (6) by A/D change-over circuit (3), wherein, connect illumination compensation circuit (4) and temperature-compensation circuit (5) respectively by A/D change-over circuit (3); Connect to form with door contact interrupter (7), manual unlocking switch (8), voice warning circuit, automotive lock door system interface (11), voltage-stabilized power supply circuit (10) respectively by single chip circuit (6).
2, by the described automobile door opening anticollision device of claim 1,1 pin that it is characterized in that described infrared pickoff J1 joins by current-limiting resistance R1 and power supply VCC, 3 pin ground connection, 3 pin that 2 pin heat outputtings are released the in-phase input end of electric signal one tunnel and amplifier U1A join, and another road is by filter capacitor C1 ground connection.
3, by the described automobile door opening anticollision device of claim 1, it is characterized in that described pre-amplification circuit leads up to resistance R 3 ground connection by the connection of inverting input 2 pin of amplifier U1A, the filter capacitor C2 of leading up to is connected to 1 pin of U2, and the resistance R 2 of leading up to is connected to the U1 pin; 1 pin of U1A joins by inverting input 6 pin of resistance R 4 with amplifier U1B, be connected in 7 pin of U1B by 6 pin and resistance R 5 and capacitor C 3,5 pin of U1B are leaded up to resistance R 6 and are joined with power supply VCC, lead up to variable resistance R7 ground connection, 26 pin of 7 pin of the signal output part of U1B and A/D conversion chip U2 join.
4, by the described automobile door opening anticollision device of claim 1, it is characterized in that the 16 pin ground connection of described A/D change-over circuit by A/D conversion chip U2,12 pin connect 2 pin of voltage stabilizing chip U5, and U digital signal output end 21,20,19,18,8,15,14,17 pin join with the I/O of micro controller system U3 end 39,38,37,36,35,34,33,32 pin respectively; 23,24,25 pin of U2 are the channel selecting end, 23 pin ground connection wherein, and 24,25 pin join with 22 and 21 pin of micro controller system U3 respectively; 22,9,6 pin of U2 join with 23,24,25 pin of micro controller system U3 respectively, are used for starting that U2 carries out input end of clock 10 pin of A/D conversion U2 and 3 pin of active crystal oscillator J2 join; 1,4 pin of active crystal oscillator J2 connect power supply VCC, 2 pin ground connection.
5, by the described automobile door opening anticollision device of claim 1, the illumination compensation circuit that it is characterized in that this is by photoconductive cell R91 one end ground connection, the connection of the other end is divided into three the tunnel: leading up to variable resistance R81 and power supply VCC joins, lead up to filter capacitor C51 ground connection, the one tunnel joins with 28 pin of A/D conversion chip U2.
6, by the described automobile door opening anticollision device of claim 1, it is characterized in that described temperature-compensation circuit is by thermally dependent resistor R92 one end ground connection, the connection of the other end is divided into three the tunnel: leading up to variable resistance R82 and power supply VCC joins, lead up to filter capacitor C52 ground connection, the one tunnel joins with 1 pin of A/D conversion chip U2.
7, by this automobile door opening anticollision device of claim 1, it is characterized in that described single chip circuit is joined with 21,20,19,18,8,15,14,17 pin of U2 respectively by 39,38,37,36,35,34,33,32 pin of micro controller system U3,26 pin and the voice cue module control end of U3 join, and 1 pin of U3 is connected door contact interrupter and manual unlocking switch respectively with 5 pin; 12,13,14,15 pin of U3 are car door self-locking signal output, join with the automobile electronic system interface; Be connected with crystal between 18,19 pin of U3, the two ends of crystal are respectively by capacitor C 01 and C02 ground connection, and 9 pin are leaded up to resistance R 11 ground connection, lead up to capacitor C 4 power connection VCC.
8, brush lightly device by the described automobile door opening of claim 1 is anti-, it is characterized in that described door contact interrupter leads up to pull-up resistor R101 by 4 pin of U3 and connect power supply VCC, another road is by door contact interrupter S11 ground connection.
9, by claim 1 brown automobile door opening anticollision device, it is characterized in that described manual unlocking switch leads up to pull-up resistor R201 by 5 pin of U3 and connect power supply VCC, another road is by manual unlocking switch S 21 ground connection.
10, by the described automobile door opening anticollision device of claim 1, it is characterized in that described voltage-stabilized power supply circuit is joined by 1 pin and automobile power source+24 (12) of voltage stabilizing chip U4, by capacitor C 6, C7 ground connection in parallel, the 3 pin ground connection of U4,2 pin and power supply VCC end join, by capacitor C 8, C9 ground connection in parallel; Joined by 1 pin of U4 and 1 pin of adjustable voltage stabilizing chip U5, variable resistance R12 ground connection is leaded up in the connection of U52 pin, leads up to capacitor C 10 ground connection, and the resistance R 13 of leading up to is joined with its 3 pin; Join by 3 pin one tunnel of U5 12 pin, lead up to capacitor C 11 ground connection with U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012466XA CN1296233C (en) | 2004-08-04 | 2004-08-04 | Collision-proof device for opening automobile door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410012466XA CN1296233C (en) | 2004-08-04 | 2004-08-04 | Collision-proof device for opening automobile door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1597397A true CN1597397A (en) | 2005-03-23 |
| CN1296233C CN1296233C (en) | 2007-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410012466XA Expired - Fee Related CN1296233C (en) | 2004-08-04 | 2004-08-04 | Collision-proof device for opening automobile door |
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| Country | Link |
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| CN (1) | CN1296233C (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990321B (en) * | 2005-12-30 | 2011-04-20 | 财团法人工业技术研究院 | Intelligent type automobile side crashproof caution system and method thereof |
| CN102745162A (en) * | 2012-02-10 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Car door security system assembly and control method thereof |
| CN103850546A (en) * | 2012-12-06 | 2014-06-11 | 昆达电脑科技(昆山)有限公司 | Automobile door anti-collision device |
| CN104243895A (en) * | 2013-06-14 | 2014-12-24 | 华创车电技术中心股份有限公司 | Auxiliary image providing method for safe getting-off |
| CN104908696A (en) * | 2015-06-05 | 2015-09-16 | 罗友 | Car door opening collision prevention device |
| CN104943642A (en) * | 2014-03-24 | 2015-09-30 | 辉创电子科技(苏州)有限公司 | Image type warning safety system for assisting driver in getting off |
| CN106553501A (en) * | 2015-09-30 | 2017-04-05 | 洪舜河 | The car door opening anticollision device, collision-prevention device of vehicle and method |
| CN108116203A (en) * | 2018-02-02 | 2018-06-05 | 钦州市第中学 | Automobile door opening is got off Collsion proof safety alarm set |
| CN112428919A (en) * | 2020-09-23 | 2021-03-02 | 熊万峰 | Automobile door opening early warning anti-collision method and device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1990321B (en) * | 2005-12-30 | 2011-04-20 | 财团法人工业技术研究院 | Intelligent type automobile side crashproof caution system and method thereof |
| CN102745162A (en) * | 2012-02-10 | 2012-10-24 | 浙江吉利汽车研究院有限公司 | Car door security system assembly and control method thereof |
| CN103850546A (en) * | 2012-12-06 | 2014-06-11 | 昆达电脑科技(昆山)有限公司 | Automobile door anti-collision device |
| CN104243895A (en) * | 2013-06-14 | 2014-12-24 | 华创车电技术中心股份有限公司 | Auxiliary image providing method for safe getting-off |
| CN104943642A (en) * | 2014-03-24 | 2015-09-30 | 辉创电子科技(苏州)有限公司 | Image type warning safety system for assisting driver in getting off |
| CN104908696A (en) * | 2015-06-05 | 2015-09-16 | 罗友 | Car door opening collision prevention device |
| CN106553501A (en) * | 2015-09-30 | 2017-04-05 | 洪舜河 | The car door opening anticollision device, collision-prevention device of vehicle and method |
| CN108116203A (en) * | 2018-02-02 | 2018-06-05 | 钦州市第中学 | Automobile door opening is got off Collsion proof safety alarm set |
| CN112428919A (en) * | 2020-09-23 | 2021-03-02 | 熊万峰 | Automobile door opening early warning anti-collision method and device |
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| Publication number | Publication date |
|---|---|
| CN1296233C (en) | 2007-01-24 |
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