CN2786672Y - Auto braking anti-slippage, accelerating anti-slippery controlling equipment - Google Patents
Auto braking anti-slippage, accelerating anti-slippery controlling equipment Download PDFInfo
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- CN2786672Y CN2786672Y CNU2005200905715U CN200520090571U CN2786672Y CN 2786672 Y CN2786672 Y CN 2786672Y CN U2005200905715 U CNU2005200905715 U CN U2005200905715U CN 200520090571 U CN200520090571 U CN 200520090571U CN 2786672 Y CN2786672 Y CN 2786672Y
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Abstract
The utility model relates to a motorcar controller for the slide prevention of braking and the slide and rotation prevention of acceleration. The utility model is provided with a singlechip, a main driving wheel control circuit, a driving wheel control circuit and a non driving wheel control circuit, wherein the main driving wheel control circuit, the driving wheel control circuit and the non driving wheel control circuit are connected with the singlechip and are respectively provided with an input circuit. The utility model has the advantages of favorable safeness of braking and acceleration, simple structure, easy production, low cost and convenient maintenance, and is especially suitable for large and medium passenger cars and trucks.
Description
Technical field
The utility model belongs to a kind of brake device for car, antiskid, antislip safety control in particularly a kind of automobile emergency braking, the anxious accelerator.
Background technology
Along with developing rapidly of auto industry, the domestic automobile owning amount increases sharply, improving constantly of car load scientific and technological content, make the performance of automobile each side be greatly improved, especially the safety of automobile, the content that the domestic and international especially researchist that efficiently travels pays much attention to and studies, the automobile brake antiskid, quickening the antislip control device is exactly one of its content, braking distance when it not only can shorten the automobile emergency braking, lateral stability in the time of improving brake hard, effectively prevent the sideslip of automobile, whipping, even turn around, also can improve the Tyte Wear situation, can also effectively prevent the sideslip of automobile in anxious the acceleration, improve the acceleration of automobile, though at the automobile brake antiskid, quicken to grow a lot in recent years on the antislip control device, but on the low gear vehicle, especially big, middle bus, it is also lower that lorry is equipped with rate, it mainly is the structure more complicated, cost is higher, is unfavorable for popularizing.
The utility model content
The purpose of this utility model provides a kind of automobile brake antiskid, quickens the antislip control device, and braking and the security of quickening are good, simple in structure, easy to manufacture, and cost is low, and is easy to maintenance, is particularly useful for large and medium-sized passenger vehicle, lorry.
The purpose of this utility model is achieved by the following technical solution: single-chip microcomputer is set, the main drive wheel control circuit that is connected and is respectively equipped with input circuit with single-chip microcomputer, driving wheel control circuit and non-driving wheel control circuit, it is characterized in that: the input circuit output terminal of main drive wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve or throttle relay coil, the corresponding interface of single-chip microcomputer connects failure detector circuit and fault logic circuits, the output terminal of fault logic circuits connects main relay coil, the corresponding interface connection speed of single-chip microcomputer and diagnostic trouble code display circuit.
The input circuit output terminal of driving wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve or throttle relay coil, and the corresponding interface of single-chip microcomputer connects failure detector circuit.
The input circuit output terminal of non-driving wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve, and the corresponding interface of single-chip microcomputer connects failure detector circuit.
Above-mentioned input circuit signalization harvester, signal pickup assembly is that the pulse ring that is fixed on the wheel constitutes with the electromagnetic sensor that is fixed on the brake disc, the output terminal of signal pickup assembly connects the input saturation circuit, the output terminal connection of input saturation circuit and the input end of single supply integrated operational amplifier circuit, the input end of its output termination schmidt trigger phase inverter, the output terminal of schmidt trigger phase inverter connects the respective input mouth of single-chip microcomputer;
Photoelectricity coupled circuit, power switch circuit and solenoid valve in the above-mentioned driving wheel control circuit, throttle relay coil connect and compose brake control circuit, low control circuit and the high control circuit that quickens of quickening, and brake control circuit wherein is provided with gas admittance valve coil control circuit and vent valve coil control circuit; The photoelectricity coupled circuit input end of gas admittance valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects power switch circuit, and the power switch circuit output terminal connects the gas admittance valve coil; The photoelectricity coupled circuit input end of vent valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects power switch circuit, and the power switch circuit output terminal connects the vent valve coil;
It is to be connected with one road air delivery valve coil control circuit on above-mentioned brake control circuit basis in addition that low speed quickens control circuit, the photoelectricity coupled circuit input end of air delivery valve coil control circuit connects the single-chip processor i/o mouth, its output terminal connects power switch circuit, and the power switch circuit output terminal connects the air delivery valve coil;
Quickening control circuit at a high speed is provided with guarantor's throttle relay coil control loop and subtracts throttle relay coil control loop, the photoelectricity coupled circuit input end of protecting throttle relay coil control loop connects the single-chip processor i/o mouth, its output terminal connects power switch circuit, the power switch circuit output terminal connects protects the throttle relay coil, the photoelectricity coupled circuit input end that subtracts throttle relay coil control loop connects the single-chip processor i/o mouth, its output terminal connects power switch circuit, power switch circuit output terminal connection subtracting throttle relay coil; Be provided with the foot throttle switch, foot throttle switch serial connection idling limit switch, limit switch connection subtracting throttle relay contact, throttle motor connection subtracting throttle relay contact and guarantor's throttle relay contact.
Above-mentioned failure detector circuit is connected and composed by fast recovery diode, integrated logic judging circuit and phase inverter, the input end of phase inverter connects the corresponding interface of single-chip microcomputer, output terminal connects the input end of logic judging circuit, fast recovery diode one end connects another input end of logic judging circuit, and the other end connects power switch circuit.
Above-mentioned fault logic circuits is connected and composed by photoelectricity coupled circuit, small power switch circuit and main relay coil, photoelectricity coupled circuit input end connects the single-chip processor i/o mouth, its output terminal connects the small power switch circuit, the small power switch circuit output end connects the main relay coil, main relay normally closed contact one end connects the automobile storage battery power supply by fuse, another termination electromagnetic valve coil and throttle relay coil.
The single-chip microcomputer corresponding output end mouth of above-mentioned speed and diagnostic trouble code display circuit connects public charactron, and the corresponding port of single-chip microcomputer is connected the common port of charactron with resistance by three transistors.
The utility model has the advantages that: braking and the security of quickening are good, simple in structure, easy to manufacture, and cost is low, and is easy to maintenance, is particularly useful for large and medium-sized passenger vehicle, lorry.
Description of drawings
Fig. 1 is a main drive wheel control device schematic block circuit diagram of the present utility model.
Fig. 2 is an input circuit theory diagram of the present utility model.
Fig. 3 is that brake servo circuit of the present utility model and low speed quicken control loop structural principle block diagram.
Fig. 4 is that high speed of the present utility model is quickened control loop structural principle block diagram.
Fig. 5 is fault judgement of the present utility model and treatment circuit structural principle block diagram.
Fig. 6 is a display circuit theory diagram of the present utility model.
Fig. 7 is main drive wheel control device circuit theory diagrams of the present utility model.
Fig. 8 is driving wheel control device circuit theory diagrams of the present utility model.
Fig. 9 is non-driving wheel control device circuit theory diagrams of the present utility model.
Embodiment
See Fig. 1-7, concrete structure is as follows: according to automobile rear a main drive wheel and a driving wheel are housed, the structure of two non-driving wheels is equipped with in the front portion, is provided with the main drive wheel control circuit, driving wheel control circuit and the non-driving wheel control circuit that are connected and are respectively equipped with input circuit with single-chip microcomputer.The input circuit signalization harvester of main drive wheel control circuit, signal pickup assembly is that J.1 the pulse ring H1.1 that is fixed on the wheel constitutes with the electromagnetic sensor that is fixed on the brake disc, the output terminal of signal pickup assembly connects the input saturation circuit that is made of two diodes, the output terminal of input saturation circuit connects the input end of single supply integrated operational amplifier circuit Q1.1, the input end of its output termination schmidt trigger phase inverter P1.1, the output terminal of schmidt trigger phase inverter P1.1 connects the respective input mouth of single-chip microcomputer;
The signal input circuit principle of work: since electromagnetic sensor J.1 amplitude output signal alter a great deal, amplitude is little during low speed, amplitude is big during high speed, in order to make output amplitude stable, at first input signal is carried out the large-signal amplitude limit, the signal that is higher than more than the 0.2V is limited, delivering to single supply integrated operational amplifier circuit Q1.1 then amplifies, P1.1 carries out the integer paraphase through the schmidt trigger phase inverter, after making it become dutycycle, send into the control that counts of single-chip microcomputer input port near 50% constant amplitude square.
Photoelectricity coupled circuit, power switch circuit and solenoid valve in the main drive wheel control circuit connects and composes brake control circuit, low control circuit and the high control circuit that quickens of quickening, and brake control circuit wherein is provided with gas admittance valve coil control circuit and vent valve coil control circuit; The photoelectricity coupled circuit F1.1 input end of gas admittance valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects the power switch circuit G5.1 that high-power FET is formed, and power switch circuit G5.1 output terminal connects gas admittance valve coil L1.1; The photoelectricity coupled circuit F2.1 input end of vent valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects the power switch circuit G6.1 that high-power FET is formed, and power switch circuit G6.1 output terminal connects vent valve coil L2.1;
It is that above-mentioned brake control circuit is connected with one road air delivery valve coil control circuit in addition that low speed quickens control circuit, the photoelectricity coupled circuit F3.1 input end of air delivery valve coil control circuit connects the single-chip processor i/o mouth, its output terminal connects power switch circuit G7.1, and power switch circuit G7.1 output terminal connects air delivery valve coil L3.1;
Quickening control circuit at a high speed is provided with guarantor's throttle relay coil control loop and subtracts throttle relay coil control loop, the photoelectricity coupled circuit F4.1 input end of protecting throttle relay coil control loop connects the single-chip processor i/o mouth, its output terminal connects power switch circuit G8.1, power switch circuit G8.1 output terminal connects protects throttle relay coil K1.1, the photoelectricity coupled circuit F5.1 input end that subtracts throttle relay coil control loop connects the single-chip processor i/o mouth, its output terminal connects power switch circuit G9.1, output terminal connection the subtracting throttle relay coil K2.1 of power switch circuit G9.1; Be provided with foot throttle K switch 4.1, foot throttle K switch 4.1 serial connection idling limit switch K3.1, limit switch K3.1 connection subtracting throttle relay K 2.1 contacts and guarantor's throttle relay K 1.1 contacts, throttle motor D .1 connection subtracting throttle relay contact and guarantor's throttle relay contact.
The principle of work of main drive wheel control circuit: in the middle of the automobile brake, after single-chip microcomputer is received input signal and process calculating, the output control signal, close or open the inlet and outlet signal from corresponding port output respectively, two paths of signals is sent into photoelectricity coupling buffer circuit respectively and is isolated transmission, after power switch circuit receives the control signal of photoelectricity coupling buffer circuit, ends immediately or conducting, the inlet and outlet valve cuts out or conducting, reach the purpose of supercharging or decompression.When wheel slip during greater than setting, output decompression control signal after the single-chip microcomputer computing is sent into this power switch circuit by certain photoelectricity coupling buffer circuit, makes that gas admittance valve cuts out, vent valve is opened, reduce this and take turns brake cylinder air pressure, reduce main drive wheel damping force.When slip rate equaled setting, single-chip microcomputer output holding pressure control signal was exported the signal of closing the inlet and outlet valve respectively from the corresponding port, the inlet and outlet valve cuts out simultaneously keep the interior air pressure of brake cylinder constant, reaches the purpose of pressurize.When slip rate during, single-chip microcomputer output boost control signal less than setting, open gas admittance valve and close the signal of vent valve from corresponding port output respectively, make inlet open, exhaust valve closure increases the brake pressure in the brake cylinder, reaches the purpose of supercharging.
Low speed quickens the principle of work of controlling output circuit: when anxious in vehicle starting or the cruising quickens or urgency on ice and snow road when quickening to make wheel single-wheel slippage rate above setting, respective wheel output port output differential control signal, be transferred to power switch circuit by photoelectric isolating circuit, air delivery valve is opened, advance, exhaust valve closure, send into the brake cylinder of respective wheel via air delivery valve from the next pressurized air of air drum, make this take turns generation damping force, slippage rate descends, make opposite side drive wheel power strengthen simultaneously, reach fast starting, avoid breakking away and the purpose of differential lock control.When controlled skidding rate of rotation drops to when equaling setting, air delivery valve is closed, and at this moment, because the inlet and outlet valve has been in closed condition, so the brake pressure in the brake cylinder remains unchanged, has reached the purpose of pressurize.When controlled skidding rate of rotation during, single-chip microcomputer output decompression control signal less than setting, make give, gas admittance valve cuts out, vent valve is opened, the pressurized air in the wheel cylinder enters atmosphere through vent valve, has reduced the pressure in the wheel cylinder, has reduced damping force.Controlled skidding rate of rotation is remained in the specialized range.When two driving wheels entered differential lock control simultaneously, single-chip microcomputer output stopped the differential lock steering order, and output subtracts throttle demand simultaneously, automobile is entered subtract the Throttle Opening Control state.
Quicken the principle of work of controlling output circuit at a high speed: when subtracting throttle, idling limitation travel switch K3.1 normally closed contact disconnects, and cuts off the electricity supply, and engine turns round at idle position.When normally subtracting throttle, foot throttle K switch 4.1-1, K4.1-2, the normally closed contact closure, normally opened contact is opened, as shown in Figure 4.During open out, K4.1-1, K4.1-2 normally closed contact disconnect, the normally opened contact closure, and motor is just changeing open out.In the open out process, when if slippage rate surpasses setting, single-chip microcomputer output subtracting throttle control signal, make two groups contact subtract the throttle relay coil by photoelectric isolating circuit, power switch circuit and get electronic work, normally closed contact disconnects, K2.1-1, K2.1-2 normally opened contact closure, motor counter-rotating subtracting throttle.When slippage rate equaled setting, throttle control signal was protected in single-chip microcomputer output, made by photoelectric isolating circuit, power switch circuit and protected 1.1 actions of throttle relay K, and the K1.1 normally closed contact disconnects, and cuts off the electricity supply, and the motor stall reaches the purpose of protecting oil.When slippage rate during less than setting, single-chip microcomputer is not exported control signal, subtracts the throttle relay coil, protects the outage of throttle relay coil.Subtract throttle relay K 2.1-1, K2.1-2 contact, protect throttle relay K 1.1 contacts, recover rotine positioning, continue open out.
N.1, failure detector circuit is connected and composed with phase inverter P2.1 by fast recovery diode Q2.1, integrated logic judging circuit, the input end of phase inverter P2.1 connects the corresponding interface of single-chip microcomputer, output terminal connects logic judging circuit input end N.1, fast recovery diode Q2.1 one end connects logic judging circuit another input end N.1, and the other end connects power switch circuit.
Fault logic circuits is connected and composed by photoelectricity coupled circuit F6, small power switch circuit G1 and main relay coil K0, photoelectricity coupled circuit F6 input end connects the single-chip processor i/o mouth, its output terminal connects the small power switch circuit, small power switch circuit G1 output terminal connects main relay coil K0, main relay normally closed contact one end connects the automobile storage battery power supply by fuse, another termination electromagnetic valve coil, main relay normally opened contact connect by dropping resistor and stop the automatic control pilot lamp.
The principle of work of fault detect and treatment circuit: it is effective that single-chip microcomputer output control terminal mouth and fault logic circuits output port are set to low level.Power switch conducting when certain output port is low level, when each output port is high level, not conducting of power switch circuit, fast recovery diode Q2.1 negative pole point is the high level (see figure 7), integrated logic judging circuit A point N.1 is a high level.N.1 B point is a low level, (because of corresponding output port is that high level connects the B point by phase inverter), N.1 output terminal is a high level, fault logic circuits is failure to actuate.When the output terminal shorted to earth (being the D of power field effect pipe, S intereelectrode short-circuit) of certain power switch circuit makes that A point N.1 is a low level, causing N.1, output terminal is a low level.After single-chip microcomputer detected this decision circuitry low level signal, output stopped the automatic control signal, makes the photoelectricity coupled circuit of fault logic circuits, the small power switch circuit turn-on, relay K 0 coil gets electronic work, and normally closed contact disconnects, and the path that cuts off solenoid valve and primary power stops automatic control.The normally opened contact closure, it is bright to stop the automatic control pilot lamp.Display circuit shows the corresponding failure sign indicating number simultaneously.
Speed and diagnostic trouble code display circuit connect public charactron M by single-chip microcomputer corresponding output end mouth, and the common port that three transistor G2, G3, G4 and resistance are connected charactron is passed through in the corresponding port of single-chip microcomputer, form the dynamic scan display circuit.
See Fig. 8, driving wheel control circuit and main drive wheel control circuit compare, and its structure is: be provided with speed and diagnostic trouble code display circuit and fault logic circuits less, other is identical.
See Fig. 9, non-driving wheel control circuit and main drive wheel control circuit compare, and its structure is: be provided with less and quicken control circuit, low speed acceleration control circuit, speed and diagnostic trouble code display circuit and fault logic circuits at a high speed, other is identical.
The solenoid valve that uses in the utility model adopts automobile ABS, ASR or other special electromagnetic valve.
Claims (6)
1, a kind of automobile brake antiskid, quicken the antislip control device, single-chip microcomputer is set, is connected and is respectively equipped with main drive wheel control circuit, driving wheel control circuit and the non-driving wheel control circuit of input circuit with single-chip microcomputer, it is characterized in that:
The input circuit output terminal of main drive wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve or throttle relay coil, the corresponding interface of single-chip microcomputer connects failure detector circuit and fault logic circuits, the output terminal of failure detector circuit connects the corresponding I/O mouth of single-chip microcomputer, the output terminal of fault logic circuits connects main relay coil, the corresponding I/O mouth connection speed and the diagnostic trouble code display circuit of single-chip microcomputer;
The input circuit output terminal of driving wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve or throttle relay coil, and the corresponding I/O mouth of single-chip microcomputer connects failure detector circuit;
The input circuit output terminal of non-driving wheel control circuit connects the corresponding I/O mouth of single-chip microcomputer, the corresponding I/O mouth of single-chip microcomputer connects the photoelectricity coupled circuit, the output terminal of photoelectricity coupled circuit connects the power switch circuit input end, its output terminal connects solenoid valve, and the corresponding interface of single-chip microcomputer connects failure detector circuit.
2, automobile brake antiskid according to claim 1, acceleration antislip control device, it is characterized in that: input circuit signalization harvester, signal pickup assembly is that the pulse ring that is fixed on the wheel constitutes with the electromagnetic sensor that is fixed on the brake disc, the output terminal of signal pickup assembly connects the input saturation circuit, the output terminal of input saturation circuit connects the input end of single supply integrated operational amplifier circuit, the input end of its output termination schmidt trigger phase inverter, the output terminal of schmidt trigger phase inverter connects the respective input mouth of single-chip microcomputer.
3, automobile brake antiskid according to claim 1, acceleration antislip control device, it is characterized in that: photoelectricity coupled circuit, power switch circuit and the solenoid valve in the driving wheel control circuit connects and composes brake control circuit, low control circuit and the high control circuit that quickens of quickening, and brake control circuit wherein is provided with gas admittance valve coil control circuit and vent valve coil control circuit; The photoelectricity coupled circuit input end of gas admittance valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects power switch circuit, and the power switch circuit output terminal connects the gas admittance valve coil; The photoelectricity coupled circuit input end of vent valve coil control circuit connects the single-chip processor i/o mouth, and its output terminal connects power switch circuit, and the power switch circuit output terminal connects the vent valve coil;
It is that above-mentioned brake control circuit is connected with one road air delivery valve coil control circuit in addition that low speed quickens control circuit, the photoelectricity coupled circuit input end of air delivery valve coil control circuit connects the single-chip processor i/o mouth, its output terminal connects power switch circuit, and the power switch circuit output terminal connects the air delivery valve coil;
Quickening control circuit at a high speed is provided with guarantor's throttle relay coil control loop and subtracts throttle relay coil control loop, the photoelectricity coupled circuit input end of protecting throttle relay coil control loop connects the single-chip processor i/o mouth, its output terminal connects power switch circuit, and the power switch circuit output terminal connects protects the throttle relay coil; The photoelectricity coupled circuit input end that subtracts throttle relay coil control loop connects the single-chip processor i/o mouth, and its output terminal connects power switch circuit, power switch circuit output terminal connection subtracting throttle relay coil; Be provided with the foot throttle switch, foot throttle switch serial connection idling limit switch, limit switch connection subtracting throttle relay contact and guarantor's throttle relay contact, throttle motor connection subtracting throttle relay contact and guarantor's throttle relay contact.
4, automobile brake antiskid according to claim 1, acceleration antislip control device, it is characterized in that: failure detector circuit is connected and composed by fast recovery diode, integrated logic judging circuit and phase inverter, the input end of phase inverter connects the corresponding interface of single-chip microcomputer, output terminal connects the input end of logic judging circuit, fast recovery diode one end connects logic judging circuit, and the other end connects power switch circuit.
5, automobile brake antiskid according to claim 1, acceleration antislip control device, it is characterized in that: fault logic circuits is connected and composed by photoelectricity coupled circuit, small power switch circuit and main relay coil, photoelectricity coupled circuit input end connects the single-chip processor i/o mouth, its output terminal connects the small power switch circuit, the small power switch circuit output end connects the main relay coil, main relay normally closed contact one end connects the automobile storage battery power supply by fuse, another termination electromagnetic valve coil, main relay normally opened contact connect by dropping resistor and stop the automatic control pilot lamp.
6, automobile brake antiskid according to claim 1, acceleration antislip control device, it is characterized in that: the single-chip microcomputer corresponding output end mouth of speed and diagnostic trouble code display circuit connects public charactron, and the corresponding port of single-chip microcomputer is connected the common port of charactron with resistance by three transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200905715U CN2786672Y (en) | 2005-04-27 | 2005-04-27 | Auto braking anti-slippage, accelerating anti-slippery controlling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200905715U CN2786672Y (en) | 2005-04-27 | 2005-04-27 | Auto braking anti-slippage, accelerating anti-slippery controlling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786672Y true CN2786672Y (en) | 2006-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200905715U Expired - Fee Related CN2786672Y (en) | 2005-04-27 | 2005-04-27 | Auto braking anti-slippage, accelerating anti-slippery controlling equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN2786672Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770775A (en) * | 2012-10-23 | 2014-05-07 | 广州汽车集团股份有限公司 | Equipment protecting device for hybrid power vehicle and working method thereof |
| CN107074242A (en) * | 2014-09-12 | 2017-08-18 | 爱信精机株式会社 | Apparatus for detecting position of vehicle |
-
2005
- 2005-04-27 CN CNU2005200905715U patent/CN2786672Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770775A (en) * | 2012-10-23 | 2014-05-07 | 广州汽车集团股份有限公司 | Equipment protecting device for hybrid power vehicle and working method thereof |
| CN107074242A (en) * | 2014-09-12 | 2017-08-18 | 爱信精机株式会社 | Apparatus for detecting position of vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |