CN203713862U - Electronic controller and electronic parking braking system - Google Patents
Electronic controller and electronic parking braking system Download PDFInfo
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- CN203713862U CN203713862U CN201420009272.3U CN201420009272U CN203713862U CN 203713862 U CN203713862 U CN 203713862U CN 201420009272 U CN201420009272 U CN 201420009272U CN 203713862 U CN203713862 U CN 203713862U
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- 238000001514 detection method Methods 0.000 claims description 37
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- 230000003466 anti-cipated effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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Abstract
The utility model discloses an electronic controller. The electronic controller comprises a CAN (Controller Area Network) communication module, a switch information collecting module, an H bridge driving module, a driving control module and a microcontroller; the microcontroller generates into control signals according to information output from the CAN communication module and the switch information collecting module, then the driving control module performs level switch on the control signals output from the microcontroller to control connection and disconnection of four switch tubes inside the H bridge driving module, and accordingly control of a breaking motor is achieved. According to the electronic controller, driving control of the braking motor through the driving control module and the H bridge driving module is achieved and the size of the driving control module and the H bridge driving module is smaller than that of a relay, so that the self-size of the electronic controller is reduced compared with the existing electronic controller. The utility model also discloses an electronic parking braking system. The electronic parking braking system is small in size compared with the existing electronic parking braking system.
Description
Technical field
The utility model belongs to automobile brake technical field, relates in particular to a kind of electronic controller and electronic brake system.
Background technology
Along with development and the continuous pursuit of people to vehicle safety and traveling comfort of auto-industry, auto trade is just towards electronization, intellectuality and hommization future development.
Electronic brake (Electrical Parking Brake, EPB) system refers to the technology that is realized stopping brake by electronic control mode, and it has advanced major step the long-term traditional manual parking braking mode using.EPB system is by electronic button M/C, via controller local area network (CAN) bus and entire car controller carry out communication, have both automatic control function, the technology that the long time property braking function by electronic control mode by the provisional braking in driving process and after stopping combines.EPB system can automatically apply braking during standstill after engine off, and brakes strength and fix, and can not change braking effect because of the strength of chaufeur.Traditional parking brake need to rely on chaufeur to coordinate to come happy starting by the hand braking or skilled throttle of manual releasing, clutch when hill start, the service brake of EPB system and automatic parking (Auto Hold) function is effective head it off, makes the vehicle can gentle start.In addition, automatic parking function can make vehicle when waiting red light or uphill/downhill to stop, even the in the situation that of D shelves or N shelves, chaufeur also touches on the brake without a pin or uses parking brake, and car still can remain static; When needs are removed quiescence, also only need dub throttle gets final product brake off.
Current EPB system mainly comprises brake switch, electronic controller (ECU), braking motor, driving device and brake equipment.
Applicant finds that present electronic controller volume is larger, can take very large space, and its basic reason is: present electronic controller is to carry out the driving of braking motor by relay, because the volume of relay is larger, cause the volume of whole electronic controller larger, thereby also increased the volume of EPB system.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electronic controller of small size.In addition, the utility model also discloses a kind of electronic brake system of small volume.
For achieving the above object, the utility model provides following technical scheme:
The utility model discloses a kind of electronic controller, be applied to electronic brake system, described electronic controller comprises CAN communication module, switching information acquisition module, H bridge driver module, drive control module and microprocessor;
Described CAN communication module is connected with described microprocessor with CAN bus respectively;
The acquisition of signal end of described switching information acquisition module is connected with the brake switch in described electronic brake system, and the signal output part of described switching information acquisition module is connected with described microprocessor;
Described H bridge driver module comprises four switching valves, and the electric energy output end of described H bridge driver module is connected with the feeder ear of braking motor in described electronic brake system;
The control signal input end of described drive control module is connected with described microprocessor, the control signal mouth of described drive control module is connected with the control end of described H bridge driver module, described drive control module carries out level conversion to the control signal of described microprocessor output, to control the turn-on and turn-off of described four switching valves.
Preferably, above-mentioned electronic controller also comprises pulling force information acquisition module, the acquisition of signal end of described pulling force information acquisition module is connected with the power sensor in described electronic brake system, and the signal output part of described pulling force information acquisition module is connected with described microprocessor.
Preferably, above-mentioned electronic controller also comprises motor speed detection module, and the signal output part of described motor speed detection module is connected with described microprocessor.
Preferably, above-mentioned electronic controller also comprises motor rotation direction detection module, and described motor rotation direction detection module is connected with described microprocessor.
Preferably, above-mentioned electronic controller also comprises current of electric detection module, and the signal output part of described current of electric detection module is connected with described microprocessor.
Preferably, above-mentioned electronic controller also comprises the reverse-connection protection circuit being connected between vehicle power and described drive control module.
Preferably, above-mentioned electronic controller also comprises the reverse-connection protection circuit being connected between described vehicle power and described H bridge driver module.
Preferably, above-mentioned electronic controller also comprises power-switching circuit, and the input end of described power-switching circuit is connected with vehicle power, and the mouth of described power-switching circuit is connected with the feeder ear of described microprocessor.
On the other hand, the invention also discloses a kind of electronic brake system, comprise brake switch, electronic controller, braking motor, power sensor, driving device and brake equipment, wherein, described electronic controller is above-mentioned disclosed any one electronic controller.
As can be seen here, the beneficial effects of the utility model are: the disclosed electronic controller that is applied to electronic brake system of the utility model, comprise CAN communication module, switching information acquisition module, H bridge driver module, drive control module and microprocessor, microprocessor is according to the Information generation control signal of CAN communication module and the output of switching information acquisition module, by drive control module, the control signal of microprocessor output is carried out to level conversion afterwards, to control the turn-on and turn-off of four switching valves in H bridge driver module, thereby realize the control to braking motor.The disclosed electronic controller of the utility model, adopt drive control module and H bridge driver module to drive control to braking motor, and the volume of drive control module and H bridge driver module is much smaller than the volume of relay, therefore the disclosed electronic controller of the utility model, compared to existing electronic controller, has reduced own vol.
In addition, the disclosed electronic brake system of the utility model, has less volume compared to existing electronic brake system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of electronic controller of the utility model;
Fig. 2 is a kind of circuit diagram of H bridge driver module;
Fig. 3 is the structural representation of the disclosed another kind of electronic controller of the utility model;
Fig. 4 is the structural representation of the disclosed another kind of electronic controller of the utility model;
Fig. 5 is the structural representation of the disclosed another kind of electronic controller of the utility model.
The specific embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of electronic controller, compares with existing electronic controller, has less volume.
Referring to Fig. 1, Fig. 1 is the structural representation of the disclosed a kind of electronic controller of the utility model.This electronic controller comprises CAN communication module 1, switching information acquisition module 2, H bridge driver module 3, drive control module 4 and microprocessor 5.
Wherein:
CAN communication module 1 is connected with microprocessor 5 with CAN bus (not shown) respectively.CAN communication module 1 can be carried out data interaction by other devices in CAN bus and vehicle, for example: CAN communication module 1 is carried out data interaction by CAN bus and entire car controller, gearbox control, VSC controller, car body controller and other instrument, mutual information comprises that engine speed, engine gears, wheel speed, brake pedal status, Das Gaspedal state, ignition key switch state and instrument show information.
The acquisition of signal end of switching information acquisition module 2 is connected with the brake switch (not shown) in electronic brake system, and the signal output part of switching information acquisition module 2 is connected with microprocessor 5.Switching information acquisition module 2 is for gathering the switching information of brake switch, and the switching information collecting is transferred to microprocessor 5, so that microprocessor 5 carries out subsequent control.
H bridge driver module 3 comprises four switching valves, and the electric energy output end of H bridge driver module 3 is connected with the feeder ear of the braking motor 100 in electronic brake system.H bridge driver module 3 can adopt existing structure, in conjunction with Fig. 2, the structure of H bridge driver module 3 is carried out to brief description here.
This H bridge driver module 3 comprises four switching valves, four switching valves are designated as respectively the first switching valve Q1, second switch pipe Q2, the 3rd switching valve Q3 and the 4th switching valve Q4, wherein, the first switching valve Q1 and the 3rd switching valve Q3 are positive-negative-positive aerotron, and second switch pipe Q2 and the 4th switching valve Q4 are NPN type aerotron.The emitter of the first switching valve Q1 is connected to the positive pole of power supply, the collecting electrode of the first switching valve Q1 is connected to the collecting electrode of second switch pipe Q2, the emitter of second switch pipe Q2 is connected to the negative pole of power supply, the emitter of the 3rd switching valve Q3 is connected to the positive pole of power supply, the collecting electrode of the 3rd switching valve Q3 is connected to the collecting electrode of the 4th switching valve Q4, the emitter of the 4th switching valve Q4 is connected to the negative pole of power supply, the first switching valve Q1, second switch pipe Q2, the base stage reception control signal of the 3rd switching valve Q3 and the 4th switching valve Q4, concrete, the first switching valve Q1 and the 4th switching valve Q4 receive identical control signal, second switch pipe Q2 and the 3rd switching valve Q3 receive identical control signal.The common port of the first switching valve Q1 and second switch pipe Q2 is the first power output end of H bridge driver module 3, the common port of the 3rd switching valve Q3 and the 4th switching valve Q4 is the second source mouth of H bridge driver module 3, a feeder ear of braking motor 100 is connected with the first power output end of H bridge driver module 3, and another feeder ear of braking motor 100 is connected with the second source mouth of H bridge driver module 3.
In operational process, four switching valves in H bridge driver module 3 can form two current branch, and a road is: positive source-the first switching valve Q1-braking motor 100-the 4th switching valve Q4-power cathode; Another road is: positive source-tri-switching valve Q3-braking motor 100-second switch pipe Q2-power cathodes.By just realizing the control to braking motor 100 rotatings to the control of four switching valves.
The control signal input end of drive control module 4 is connected with microprocessor 5, the control signal mouth of drive control module 4 is connected with the control end of H bridge driver module 3, the control signal of 4 pairs of microprocessors of drive control module, 5 outputs carries out level conversion, to control the turn-on and turn-off of four switching valves.The control signal of microprocessor 5 outputs is generally 5V, with the driving voltage of switching valve be unmatched, therefore to carry out level conversion by the control signal of 4 pairs of microprocessors of drive control module, 5 outputs, make control signal after conversion can drive the conducting of four switching valves.
Microprocessor 5 obtains the switching information of brake switch from switching information acquisition module 2, from CAN communication module 1, obtain other relevant information, microprocessor 5 drives braking motor 100 according to pre-defined algorithm afterwards, and manual parking braking, the manual parking of realizing vehicle discharges, driving discharges automatically, flame-out autobrake, starting auxiliary braking, the function such as clamping again.
Here it should be noted that, CAN communication module 1, switching information acquisition module 2, H bridge driver module 3 and drive control module 4 can adopt existing circuit structure, in enforcement, each module both can be built by discrete component, also can adopt corresponding integrated circuit.In addition, microprocessor 5 also can adopt existing algorithm to realize according to the process of switching information and relevant information generation control command, that is to say in the utility model and the software of microprocessor 5 is not improved.
The above-mentioned disclosed electronic controller that is applied to electronic brake system of the utility model, comprise CAN communication module 1, switching information acquisition module 2, H bridge driver module 3, drive control module 4 and microprocessor 5, microprocessor 5 is according to the Information generation control signal of CAN communication module 1 and 2 outputs of switching information acquisition module, control signal by 5 outputs of 4 pairs of microprocessors of drive control module carries out level conversion afterwards, to control the turn-on and turn-off of four switching valves in H bridge driver module 3, thereby realize the control to braking motor 100.The disclosed electronic controller of the utility model, adopt drive control module 4 and 3 pairs of braking motors 100 of H bridge driver module to drive control, and the volume of drive control module 4 and H bridge driver module 3 is much smaller than the volume of relay, therefore the disclosed electronic controller of the utility model, compared to existing electronic controller, has reduced own vol.
On the basis of electronic controller shown in the utility model Fig. 1, can further carry out structural development, to optimize its function.Concrete: in electronic controller shown in Fig. 1, one or more in pulling force information acquisition module, motor speed detection module, motor rotation direction detection module, current of electric detection module and reverse-connection protection circuit can be further set.Below in conjunction with a plurality of embodiment, describe.
Referring to Fig. 3, Fig. 3 is the structural representation of the disclosed another kind of electronic controller of the utility model.
This electronic controller comprises CAN communication module 1, switching information acquisition module 2, H bridge driver module 3, drive control module 4, microprocessor 5 and pulling force information acquisition module 6.Here only just describe with the difference of electronic controller shown in Fig. 1.
The acquisition of signal end of pulling force information acquisition module 6 is connected with the power sensor in electronic brake system, and the signal output part of pulling force information acquisition module 6 is connected with microprocessor 5.
Power sensor is for detection of the size that is applied to the application force on brake equipment, and this application force directly determines the effect of drag.Pulling force information acquisition module 6 is for the numerical value of the application force that obtains power sensor and detect, and transmits it to microprocessor 5.In braking procedure, microprocessor 5 judges that whether the numerical value of the application force of pulling force information acquisition module 6 transmission reaches expected value, if do not reach expected value, compensates operation, namely control braking motor 100 and remain in operation, to increase the application force acting on brake equipment.
With an example, describe, if will apply 1500 newton's application force on brake equipment in braking procedure, when the application force being applied on brake equipment being detected, do not reach 1500 Newtonian times, control braking motor 100 and remain in operation, until the application force being applied on brake equipment reaches 1500 newton.
In electronic controller shown in the utility model Fig. 3, in electronic controller, set up pulling force information acquisition module 6, realized closed loop control, make the application force acting on brake equipment in braking procedure remain on expected value, guarantee good braking effect.And, compare with the existing electronic controller with identical function, due to the volume of drive control module 4 and H bridge driver module 3 volume much smaller than relay, so the disclosed electronic controller small volume of the utility model Fig. 3.
Referring to Fig. 4, Fig. 4 is the structural representation of the disclosed another kind of electronic controller of the utility model.
This electronic controller comprises CAN communication module 1, switching information acquisition module 2, H bridge driver module 3, drive control module 4, microprocessor 5, pulling force information acquisition module 6, motor speed detection module 7, motor rotation direction detection module 8 and current of electric detection module 9.Here only just describe with the difference of electronic controller shown in Fig. 3.
The signal output part of motor speed detection module 7 is connected with microprocessor 5.Motor speed detection module 7 is for detection of the rotating speed of braking motor 100, and the tachometer value detecting is transferred to microprocessor 5.Microprocessor 5 judges whether the rotating speed of braking motor 100 exceeds preset rotation speed scope, when the rotating speed of braking motor 100 is during lower than stall threshold value, microprocessor 5 determines that stall occurs braking motor 100, when the rotating speed of braking motor 100 is during lower than cutout threshold, microprocessor 5 determines that braking motor 100 opens circuit.Microprocessor 5 is starting protection measure when braking motor 100 stall occurs or opens circuit, to turn-off drive control module 4, stops as 3 power supplies of H bridge driver module, and reporting fault code, thereby the situation that prevents to burn hardware.
Motor rotation direction detection module 8 is connected with microprocessor 5.Motor rotation direction detection module 8 is for detection of the rotation direction of braking motor 100, and the rotation direction detecting is transferred to microprocessor 5.Microprocessor 5 judges that whether the current rotation direction of braking motor 100 is consistent with anticipated orientation; when the current rotation direction of braking motor 100 and anticipated orientation are when inconsistent; microprocessor 5 starting protection measures; to turn-off drive control module 4; stop as 3 power supplies of H bridge driver module, and reporting fault code.
The signal output part of current of electric detection module 9 is connected with microprocessor 5.Current of electric detection module 9 is for detection of the current value of the braking motor 100 of flowing through, and the current value detecting is transferred to microprocessor 5.Whether the flow through current value of braking motor 100 of microprocessor 5 judgement exceeds predetermined current scope, when determining while exceeding predetermined current scope, and microprocessor 5 starting protection measures, thereby the situation that prevents to burn hardware.
Electronic controller shown in the utility model Fig. 4; in electronic controller, set up motor speed detection module 7, motor rotation direction detection module 8 and current of electric detection module 9; when braking motor 100 stalls occurs, opens circuit or when electric current is excessive; and in the rotation direction of braking motor 100 and anticipated orientation when inconsistent; microprocessor 5 starting protection measures, guarantee braking or the starting of vehicle stabilization.And, compare with the existing electronic controller with identical function, due to the volume of drive control module 4 and H bridge driver module 3 volume much smaller than relay, so the disclosed electronic controller small volume of the utility model Fig. 4.
Referring to Fig. 5, Fig. 5 is the structural representation of the disclosed another kind of electronic controller of the utility model.
This electronic controller comprises CAN communication module 1, switching information acquisition module 2, H bridge driver module 3, drive control module 4, microprocessor 5, pulling force information acquisition module 6, motor speed detection module 7, motor rotation direction detection module 8, current of electric detection module 9 and reverse-connection protection circuit 101 and 102.Here only just describe with the difference of electronic controller shown in Fig. 4.
Reverse-connection protection circuit 101 is connected between vehicle power and drive control module 4, and reverse-connection protection circuit 102 is connected between vehicle power and H bridge driver module 3.When the both positive and negative polarity reversal connection of vehicle power; reverse-connection protection circuit 101 can disconnect the connection between vehicle power and drive control module 4; reverse-connection protection circuit 102 can disconnect the connection between vehicle power and H bridge driver module 3, thereby prevents that H bridge driver module 3 and drive control module 4 from being burnt.
Electronic controller shown in the utility model Fig. 5; further be provided with reverse-connection protection circuit 101 and 102; when the both positive and negative polarity reversal connection of vehicle power, reverse-connection protection circuit 101 and 102 can prevent that H bridge driver module 3 and the drive control module 4 in electronic controller from being burnt.And, compare with the existing electronic controller with identical function, due to the volume of drive control module 4 and H bridge driver module 3 volume much smaller than relay, so the disclosed electronic controller small volume of the utility model Fig. 5.
In above-mentioned disclosed each electronic controller, microprocessor 5 can be powered by inner electric supply installation (as battery or battery pack).
Preferably, in above-mentioned disclosed each electronic controller, power-switching circuit can be set in addition, the input end of this power-switching circuit is connected with vehicle power, and the mouth of this power-switching circuit is connected with the feeder ear of microprocessor 5.Power-switching circuit is converted to the power supply with microprocessor 5 adaptations by vehicle power, is microprocessor 5 power supplies.
It should be noted that; in above-mentioned each electronic controller; pulling force information acquisition module 6, motor speed detection module 7, motor rotation direction detection module 8, current of electric detection module 9 and reverse-connection protection circuit 10 can adopt existing circuit structure; in enforcement; each module both can be built by discrete component, also can adopt corresponding integrated circuit.
The utility model also discloses a kind of electronic brake system, comprises brake switch, electronic controller, braking motor, power sensor, driving device and brake equipment, and wherein, electronic controller is above-mentioned disclosed any one electronic controller of the utility model.In the disclosed electronic brake system of the utility model, because the volume of electronic controller is less than the volume of existing electronic controller, so the volume of the disclosed electronic brake system of the utility model is also smaller.
In this specification sheets, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an electronic controller, is applied to electronic brake system, it is characterized in that, described electronic controller comprises controller area network communication module, switching information acquisition module, H bridge driver module, drive control module and microprocessor;
Described CAN communication module is connected with described microprocessor with CAN bus respectively;
The acquisition of signal end of described switching information acquisition module is connected with the brake switch in described electronic brake system, and the signal output part of described switching information acquisition module is connected with described microprocessor;
Described H bridge driver module comprises four switching valves, and the electric energy output end of described H bridge driver module is connected with the feeder ear of braking motor in described electronic brake system;
The control signal input end of described drive control module is connected with described microprocessor, the control signal mouth of described drive control module is connected with the control end of described H bridge driver module, described drive control module carries out level conversion to the control signal of described microprocessor output, to control the turn-on and turn-off of described four switching valves.
2. electronic controller according to claim 1, it is characterized in that, also comprise pulling force information acquisition module, the acquisition of signal end of described pulling force information acquisition module is connected with the power sensor in described electronic brake system, and the signal output part of described pulling force information acquisition module is connected with described microprocessor.
3. electronic controller according to claim 2, is characterized in that, also comprises motor speed detection module, and the signal output part of described motor speed detection module is connected with described microprocessor.
4. electronic controller according to claim 3, is characterized in that, also comprises motor rotation direction detection module, and described motor rotation direction detection module is connected with described microprocessor.
5. electronic controller according to claim 4, is characterized in that, also comprises current of electric detection module, and the signal output part of described current of electric detection module is connected with described microprocessor.
6. electronic controller according to claim 5, is characterized in that, also comprises the reverse-connection protection circuit being connected between vehicle power and described drive control module.
7. electronic controller according to claim 6, is characterized in that, also comprises the reverse-connection protection circuit being connected between described vehicle power and described H bridge driver module.
8. according to the electronic controller described in any one in claim 1 to 7, it is characterized in that, also comprise power-switching circuit, the input end of described power-switching circuit is connected with vehicle power, and the mouth of described power-switching circuit is connected with the feeder ear of described microprocessor.
9. an electronic brake system, comprises brake switch, electronic controller, braking motor, power sensor, driving device and brake equipment, it is characterized in that, described electronic controller is the electronic controller described in any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009272.3U CN203713862U (en) | 2014-01-07 | 2014-01-07 | Electronic controller and electronic parking braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420009272.3U CN203713862U (en) | 2014-01-07 | 2014-01-07 | Electronic controller and electronic parking braking system |
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| Publication Number | Publication Date |
|---|---|
| CN203713862U true CN203713862U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420009272.3U Expired - Lifetime CN203713862U (en) | 2014-01-07 | 2014-01-07 | Electronic controller and electronic parking braking system |
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| CN (1) | CN203713862U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487290A (en) * | 2016-11-02 | 2017-03-08 | 美的集团股份有限公司 | The stop control apparatus of motor, electric machine control system and its halt control method |
| CN110514920A (en) * | 2019-07-16 | 2019-11-29 | 苏州西木机械有限公司 | Electronics parking brake detection device |
| CN111497763A (en) * | 2020-05-09 | 2020-08-07 | 芜湖伯特利汽车安全系统股份有限公司 | Integrated controller for electric tail gate and parking braking system |
| CN112721897A (en) * | 2021-01-28 | 2021-04-30 | 坤泰车辆系统（常州）有限公司 | Double-control double-drive pull-wire type EPB control system and parking force self-adaptive control method |
| WO2022032762A1 (en) * | 2020-08-14 | 2022-02-17 | 精进电动科技股份有限公司 | Anti-reverse connection circuit, and electronic parking brake circuit and control method therefor |
| CN114655182A (en) * | 2020-12-24 | 2022-06-24 | 比亚迪股份有限公司 | Control method of electronic parking brake system, electronic equipment and vehicle |
| CN114889574A (en) * | 2022-07-15 | 2022-08-12 | 天津所托瑞安汽车科技有限公司 | Local area control method and system for longitudinal control of commercial vehicle |
-
2014
- 2014-01-07 CN CN201420009272.3U patent/CN203713862U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487290A (en) * | 2016-11-02 | 2017-03-08 | 美的集团股份有限公司 | The stop control apparatus of motor, electric machine control system and its halt control method |
| CN106487290B (en) * | 2016-11-02 | 2019-04-30 | 美的集团股份有限公司 | Stop control apparatus, electric machine control system and its halt control method of motor |
| CN110514920A (en) * | 2019-07-16 | 2019-11-29 | 苏州西木机械有限公司 | Electronics parking brake detection device |
| CN111497763A (en) * | 2020-05-09 | 2020-08-07 | 芜湖伯特利汽车安全系统股份有限公司 | Integrated controller for electric tail gate and parking braking system |
| WO2022032762A1 (en) * | 2020-08-14 | 2022-02-17 | 精进电动科技股份有限公司 | Anti-reverse connection circuit, and electronic parking brake circuit and control method therefor |
| CN114655182A (en) * | 2020-12-24 | 2022-06-24 | 比亚迪股份有限公司 | Control method of electronic parking brake system, electronic equipment and vehicle |
| CN112721897A (en) * | 2021-01-28 | 2021-04-30 | 坤泰车辆系统（常州）有限公司 | Double-control double-drive pull-wire type EPB control system and parking force self-adaptive control method |
| CN114889574A (en) * | 2022-07-15 | 2022-08-12 | 天津所托瑞安汽车科技有限公司 | Local area control method and system for longitudinal control of commercial vehicle |
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Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hengrun Technology Co.,Ltd. Address before: 8 / F, block B, No. 11, Anxiang Beili, Chaoyang District, Beijing 100101 Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
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Granted publication date: 20140716 |