CN205344860U - [electric] motor coach parking braking control system - Google Patents
[electric] motor coach parking braking control system Download PDFInfo
- Publication number
- CN205344860U CN205344860U CN201521039192.3U CN201521039192U CN205344860U CN 205344860 U CN205344860 U CN 205344860U CN 201521039192 U CN201521039192 U CN 201521039192U CN 205344860 U CN205344860 U CN 205344860U
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- parking
- braking
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- brake
- parking braking
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Abstract
The utility model relates to a [electric] motor coach parking braking control system, produce device and throttle analog signal production device including electron parking control switch, controlling means, solenoid valve, brake chamber, manual brake, gas storage device, speed of a motor vehicle detection device, braking analog signal. When pulling on the manual brake, no matter whether electron parking control switch is effective, all carries out vehicle parking braking, be in when the manual brake and unclamp the state, and electronics parking control switch is when effective, controlling means determines according to the relevant information of gathering and carries out parking braking, be in when the manual brake and loosen the state, and electron parking control switch is when invalid, parking braking is relieved to the vehicle. Manual brake and the electron parking use that combines together to utilizing the high advantage of physics parking braking nature security of manual brake, preventing that the vehicle can't carry out parking braking when electronic system becomes invalid, reliably parking of vehicle is so this control system's reliability has obtained promoting by a wide margin.
Description
Technical field
This utility model relates to a kind of electric motor coach parking braking system, belongs to parking electric automobile brake field.
Background technology
The parking braking of electric motor coach is generally adopted gas braking, namely driver is by pulling on parking brake, the parking braking air chamber making back axle is died and is produced parking braking, but, due to the particularity of passenger vehicle, driving cycle is complicated in motion for it, and driver needs frequent operation parking brake to carry out parking braking, so can increase the labor intensity of driver, easily make driver feel tired.Along with improving constantly of electric motor coach intelligentized control method level, prior art has and has realized electronic parking by electron controls technology, the labor intensity of driver can not only be reduced, can also realize vehicle ramp automatic parking and anti-after slip function, can effectively reduce the manipulation strength of driver, improve and drive impression.
The Chinese patent application that Chinese patent application publication No. is CN104494591A discloses a kind of electric motor coach electronic parking control system and control method thereof, and this system includes single-chip microcomputer, parking switch, automatic parking switch, gas pedal, brake pedal, vehicle speed sensor, angular transducer, propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking display lamp and automatic parking display lamp.By to GES, throttle signal, brake signal, parking switch signal, automatic parking switching signal, vehicle dip angle signal Real-time Collection, judge current motion state and the braking requirement of vehicle, in time it is switched on or switched off propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, vehicle is implemented braking or releases braking, it is ensured that electric motor coach is reliably achieved the functions such as retarding braking, ramp parking, automatic parking.Disclosed in this application, control system focuses on the retarding braking to electric motor coach, and to its parking braking, this did not have deep description on the one hand；And, this control system is pure electronic system, and the electronic system regardless of sample all has inefficacy or when breaking down, when electronic system lost efficacy, the parking safety of vehicle can be constituted a latent danger, vehicle can not reliably parking, so the reliability of this control system is not high.
Utility model content
The purpose of this utility model is to provide a kind of electric motor coach parking braking and controls system, the problem not high in order to solve existing electronic brake system reliability.
For achieving the above object, scheme of the present utility model includes a kind of electric motor coach parking braking and controls system, control switch including electronic parking, control device, electromagnetic valve, brake chamber, parking brake, caisson, vehicle speed detector device, braking analog signals generator and throttle analog signals generator, being connected by gas path pipe between described caisson with described brake chamber, on described gas path pipe, string is provided with described parking brake and described electromagnetic valve；The sampling of described control device connects described electronic parking and controls switch, vehicle speed detector device, braking analog signals generator and throttle analog signals generator, and described control device controls to connect described electromagnetic valve.
Described braking control system also includes gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices, and the sampling of described control device connects described gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices.
Described parking braking controls system and also includes parking brake switching signal generator, described parking brake switching signal generator is arranged on described parking brake place, for producing parking brake switching signal when parking brake action, the sampling of described control device connects described parking brake switching signal generator.
Described control device is entire car controller.
The parking braking that this utility model provides controls system and includes being serially connected in the parking brake in braking gas circuit and electromagnetic valve, parking brake is capable of physics parking braking, electromagnetic valve is capable of electronic brake, so this parking braking system includes two kinds of parking braking modes simultaneously: physics braking and deceleration of electrons.And, this brakes is when controlling, and when pulling on parking brake, whether no matter electronic parking controls switch effective, all carries out vehicle parking；When parking brake is in releasing orientation, and when electronic parking controls to switch effective, control device and judge according to the relevant information collected and carry out parking braking；When parking brake is in releasing orientation, and when electronic parking controls to switch invalid, vehicle releases parking braking.The urgent parking braking of parking brake can be carried out when electronic brake lost efficacy on the one hand by parking brake, parking brake parking braking is used on the other hand during long-time parking, and, parking brake and electronic parking combine use, relevant control by two parking modes, and utilize the high advantage of the physics parking braking character safety of parking brake, the vehicle when electronic system lost efficacy is prevented to cannot be carried out parking braking, ensure that the parking safety of vehicle, vehicle can reliably parking, so the reliability of this control system obtains and significantly promotes.
Accompanying drawing explanation
Fig. 1 is electric motor coach parking braking Control system architecture figure；
Fig. 2 is electric motor coach braking control system control principle drawing.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Electric motor coach parking braking as shown in Figure 1 controls system, including parking braking air chamber 1, electromagnetic valve 3, parking brake 4, gas receiver 5 and entire car controller 6, gas receiver 5 is connected with parking braking air chamber 1 by gas path pipe 2, on this gas path pipe, string sets electromagnetic valve 3 and parking brake 4, entire car controller 6 controls to connect electromagnetic valve 3, controls conducting or the shutoff of electromagnetic valve by sending corresponding control signal.This parking braking controls system and also includes electronic parking control switch, and entire car controller 6 sampling connects this electronic parking and controls to switch.When electronic parking controls to switch effective, namely when electronic parking control switch is pressed, entire car controller 6 controls to enter electronic parking state.
As shown in Figure 1, this parking braking controls system and also includes parking brake switching signal generator, this parking brake switching signal generator is arranged on parking brake 4 place, for producing a switching signal when parking brake 4 action, representing that corresponding effect is pulled on and played to parking brake, entire car controller 6 sampling connects this parking brake switching signal generator.This braking control system also includes vehicle speed detector device, braking analog signals generator and throttle analog signals generator, and wherein, vehicle speed detector device is for detecting the speed information of vehicle；Braking analog signals generator is arranged on brake pedal place, for detecting the analog signals of brake pedal, i.e. brake pedal opening information；Throttle analog signals generator is arranged on gas pedal place, for detecting the analog signals of gas pedal, i.e. gas pedal opening information.Entire car controller 6 sampling connects this vehicle speed detector device, braking analog signals generator and throttle analog signals generator, for receiving the relevant information that these three device detects, and correspondingly analyzes judgement according to the information received.
This braking control system also includes gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices, wherein, gear detection device is used for detecting which type of gear vehicle is in: neutral, forward gear or reverse gear；Motor feedback torque master is for detecting the feedback torque signal of motor；Electrical machine working mode detecting device, for detecting the mode of operation of motor, detects whether it is in driving condition；Motor rotation direction detecting devices is for detecting the direction of rotation of motor: rotate forward or reversion.Entire car controller 6 sampling connects this gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices, for receiving the relevant information that these devices detect, and correspondingly analyze judgement according to the information received.
As in figure 2 it is shown, the parking braking controlling party ratio juris based on this parking braking control system is: entire car controller 6 receives the above-mentioned respective relevant information of several device, and controls accordingly according to the information received.The input signal of entire car controller 6 has: electronic parking switching signal, parking brake switching signal, GES, gear signal, brake pedal opening amount signal, gas pedal opening amount signal, motor feedback dtc signal, electrical machine working mode signal and motor direction of rotation signal, the output signal of entire car controller is solenoid valve control signal.
Driver can select manual parking or electronic parking to carry out parking braking, and manual parking is exactly directly pull the hand brake to carry out mechanical type parking brake；Electronic parking pattern be entire car controller according to the coherent signal received, and after internal logic computing, the output control signal to electromagnetic valve, control the break-make of electromagnetic valve, thus realize electronic brake effectively or release.
Pulling on parking brake and can carry out physics parking braking, now parking brake switching signal generator produces parking brake switching signal, here for output high level, it was shown that parking brake is effective, and otherwise parking brake is invalid；Pressing electronic parking and control switch, represent that electronic parking is effective, the signal that entire car controller 6 produces according to electronic parking control switch judges, otherwise electronic parking is invalid；The solenoid valve control signal of entire car controller output is effective, represents that gas circuit disconnects, carries out parking；When the solenoid valve control signal of output is invalid, represents that gas circuit is connected, release parking.
When pulling on parking brake, whether no matter electronic parking controls switch effective, and no matter which kind of state vehicle is in, and all carries out vehicle parking, and this ensure that the reliable parking braking of vehicle.The urgent parking braking of parking brake can be carried out on the one hand when electronic brake lost efficacy；Parking brake parking braking is used on the other hand, it is ensured that reliable parking during long-time parking.
When parking brake is in releasing orientation, and when electronic parking controls to switch effective, it was shown that now parking brake is not pulled on, and presses electronic parking and controls switch.Namely entire car controller has received only electronic parking when controlling the control signal of switch and be not received by parking brake switching signal that parking brake switching signal generator produces, and entire car controller 6 just judges according to the relevant information collected and carries out parking braking.It can be a control switch being specifically designed to electronic parking that electronic parking controls switch, only presses this switch, and entire car controller can carry out follow-up parking braking according to the relevant information collected and control.
When parking brake is in releasing orientation, and when electronic parking controls to switch invalid, now two parking modes of vehicle are all invalid, and vehicle releases parking braking state.
In the present embodiment, when parking brake is in releasing orientation, and when electronic parking controls to switch effective, entire car controller 6 judges according to the relevant information collected and carries out parking braking, particularly as follows:
If vehicle is in drive shift, the brake pedal aperture that braking analog signals generator produces when speed steps on brake pedal less than setting speed value, driver is more than setting braking opening value and this brake pedal aperture persistent period more than when setting time value, entire car controller 6 controls electromagnetic valve and disconnects, and vehicle enters parking braking state.Such as；Speed is less than 0.5km/h, and driver steps on brake pedal aperture more than 25%, and when driver continues to step on brake pedal more than 2s, entire car controller is judged to parked state, controls electromagnetic valve and carries out parking braking.
If vehicle is in reverse gear, the brake pedal aperture that braking analog signals generator produces when speed steps on brake pedal less than setting speed value, driver is more than setting braking opening value and this brake pedal aperture persistent period more than when setting time value, entire car controller 6 controls electromagnetic valve and disconnects, and vehicle enters parking braking effective status.Such as: such as；Speed is less than 0.5km/h, and driver steps on brake pedal aperture more than 25%, and when driver continues to step on brake pedal more than 2s, entire car controller is judged to parked state, controls electromagnetic valve and carries out parking braking.
That is, no matter vehicle is at drive shift or when reverse gear, following judgement is all carried out: when speed brakes opening value and this brake pedal aperture persistent period more than when setting time value less than the brake pedal aperture setting vehicle speed value, braking analog signals generator produces more than setting when parking braking, entire car controller all controls electromagnetic valve and disconnects, and vehicle carries out parking braking.
If vehicle is under neutral state, when the brake pedal aperture braking the generation of analog signals generator brakes opening value and this brake pedal aperture persistent period more than when setting time value more than setting, entire car controller all controls electromagnetic valve and disconnects, and vehicle carries out parking braking.
It addition, when driver's first time startup vehicle, vehicle control unit controls electromagnetic valve is connected, and namely acquiescence enters electronic brake and releases state, now only need to unclamp parking brake, gets final product the whole parking of freeing vehicle.And; when first time starts vehicle; now vehicle control unit controls electromagnetic valve acquiescence maintains the state of a upper gear; such as: last time vehicle shut down time gear be forward gear; when this time (refer to above-mentioned in first time) starts vehicle, vehicle control unit controls electromagnetic valve acquiescence maintains the state of a upper gear forward gear.
Vehicle is in drive shift and when vehicle is in parking braking, the gas pedal aperture that throttle analog signals generator produces when driver's accelerator pedal is more than setting accelerator open degree value, motor feedback torque more than when setting torque value, electrical machine working mode as driving condition and motor direction of rotation as rotating forward, entire car controller 6 controls electromagnetic valve and connects, and vehicle enters parking braking and releases state.Such as: when driver's accelerator pedal aperture is more than 15%, and motor feedback torque more than 100Nm time, and electrical machine working mode is driving condition, and motor direction of rotation for rotating forward time, vehicle control unit controls electromagnetic valve is connected, and vehicle enters parking braking and releases state.
Vehicle is in reverse gear and when vehicle is in parking braking, the gas pedal aperture that throttle analog signals generator produces when driver's accelerator pedal is more than setting accelerator open degree value, motor feedback torque more than when setting torque value, electrical machine working mode as driving condition and motor direction of rotation as reversing, entire car controller 6 controls electromagnetic valve and connects, and vehicle enters parking braking and releases state.Such as: when driver's accelerator pedal aperture is more than 15%, and motor feedback torque more than 100Nm time, and electrical machine working mode is driving condition, and motor direction of rotation for reversion time, vehicle control unit controls electromagnetic valve is connected, and vehicle enters parking braking and releases state.
So, drive shift and reverse gear are distinctive in that when releasing parking braking: drive shift parking braking needs when releasing to judge that motor direction of rotation is as rotating forward；Reverse gear parking braking needs when releasing to judge that motor direction of rotation is as reversion.
It addition, when pulling on parking brake, carry out parking braking, after a period of time, when needs release braking, it is necessary to unclamp parking brake.When electronic parking controls switch effectively and unclamp parking brake, control the change (becoming low level from high level) that device receives the output signal of parking brake switching signal generator, control electromagnetic valve to turn off, carry out electronic brake, then when the gas pedal aperture of throttle analog signals generator generation is more than setting accelerator open degree value, motor feedback torque more than when setting torque value and electrical machine working mode as driving condition, vehicle control unit controls solenoid valve conduction, vehicle releases parking braking.When unclamping parking brake, electronic parking controls switch and is in effective status, and namely the physics parking braking of vehicle terminates, but electronic brake exists always or starts simultaneously in physics parking braking finish time, the braking that vehicle is continued.So being prevented from when unclamping parking brake and releasing parking braking, vehicle is owing to it may happen that situation about colliding with other vehicles or barrier that is movable and that bring, improve safety when releasing parking braking.
When driver needs to stop for a long time, electricity under vehicle, and pull on parking brake.
This utility model has techniques below effect:
(1) this utility model one electromagnetic valve of series connection on the basis of tradition parking braking gas circuit, simple in construction, system cost is relatively low；
(2) electronic brake system retains hand brake device, enables the vehicle to the function carrying out urgent parking braking and long-time parking braking, improves the safety and reliability of vehicle；
(3) entire car controller receives existing vehicle-state value, after carrying out logical operations inside entire car controller, the break-make of electromagnetic valve is controlled, it is achieved the effective or releasing of parking braking, controls simply effectively；
(4) after pressing electronic brake switch, it is possible to is intended to according to the operation of the state of vehicle and driver, it is achieved the automatic parking of vehicle, anti-after slip, the function such as gentle start, it is possible to reduce the manipulation strength of driver, improve to drive and experience.
Above-mentioned utilize in electric motor coach the entire car controller originally existed for be controlled, as other embodiment, control device and be not limited to entire car controller, it is also possible to be that parking braking is controlled by the special controller arranged.
It is presented above specific embodiment, but this utility model is not limited to described embodiment.Basic ideas of the present utility model are in that above-mentioned basic scheme, for those of ordinary skill in the art, according to instruction of the present utility model, design the model of various deformation, formula, parameter are not required to cost creative work.The change, amendment, replacement and the modification that when without departing from principle of the present utility model and spirit, embodiment are carried out still fall within protection domain of the present utility model.
Claims (4)
1. an electric motor coach parking braking controls system, it is characterized in that, control switch including electronic parking, control device, electromagnetic valve, brake chamber, parking brake, caisson, vehicle speed detector device, braking analog signals generator and throttle analog signals generator, being connected by gas path pipe between described caisson with described brake chamber, on described gas path pipe, string is provided with described parking brake and described electromagnetic valve；The sampling of described control device connects described electronic parking and controls switch, vehicle speed detector device, braking analog signals generator and throttle analog signals generator, and described control device controls to connect described electromagnetic valve.
2. electric motor coach parking braking according to claim 1 controls system, it is characterized in that, described braking control system also includes gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices, and the sampling of described control device connects described gear detection device, motor feedback torque master, electrical machine working mode detecting device and motor rotation direction detecting devices.
3. electric motor coach parking braking according to claim 1 and 2 controls system, it is characterized in that, described parking braking controls system and also includes parking brake switching signal generator, described parking brake switching signal generator is arranged on described parking brake place, for producing parking brake switching signal when parking brake action, the sampling of described control device connects described parking brake switching signal generator.
4. electric motor coach parking braking according to claim 1 controls system, it is characterised in that described control device is entire car controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039192.3U CN205344860U (en) | 2015-12-14 | 2015-12-14 | [electric] motor coach parking braking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039192.3U CN205344860U (en) | 2015-12-14 | 2015-12-14 | [electric] motor coach parking braking control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205344860U true CN205344860U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039192.3U Expired - Fee Related CN205344860U (en) | 2015-12-14 | 2015-12-14 | [electric] motor coach parking braking control system |
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| CN (1) | CN205344860U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438148A (en) * | 2015-12-14 | 2016-03-30 | 郑州宇通客车股份有限公司 | Electric motor coach parking braking control system and control method thereof |
| CN106364468A (en) * | 2016-08-26 | 2017-02-01 | 中南大学 | Automatic parking method based on ASR system |
| CN107097783A (en) * | 2017-04-10 | 2017-08-29 | 广州汽车集团股份有限公司 | P keeps off parking control method and system and the vehicle with the system |
| CN107444368A (en) * | 2017-08-03 | 2017-12-08 | 山东沂星电动汽车有限公司 | Gas brakes automatic parking control system and method |
| CN111605524A (en) * | 2020-05-26 | 2020-09-01 | 陕西重型汽车有限公司 | Vehicle parking control system integrated device |
| CN114987418A (en) * | 2022-06-17 | 2022-09-02 | 南京金龙客车制造有限公司 | Anti-false-stepping method and anti-false-stepping system for emergency braking of pure electric vehicle |
-
2015
- 2015-12-14 CN CN201521039192.3U patent/CN205344860U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438148A (en) * | 2015-12-14 | 2016-03-30 | 郑州宇通客车股份有限公司 | Electric motor coach parking braking control system and control method thereof |
| CN105438148B (en) * | 2015-12-14 | 2018-06-29 | 郑州宇通客车股份有限公司 | A kind of electric motor coach parking braking control system and its control method |
| CN106364468A (en) * | 2016-08-26 | 2017-02-01 | 中南大学 | Automatic parking method based on ASR system |
| CN107097783A (en) * | 2017-04-10 | 2017-08-29 | 广州汽车集团股份有限公司 | P keeps off parking control method and system and the vehicle with the system |
| CN107444368A (en) * | 2017-08-03 | 2017-12-08 | 山东沂星电动汽车有限公司 | Gas brakes automatic parking control system and method |
| CN111605524A (en) * | 2020-05-26 | 2020-09-01 | 陕西重型汽车有限公司 | Vehicle parking control system integrated device |
| CN114987418A (en) * | 2022-06-17 | 2022-09-02 | 南京金龙客车制造有限公司 | Anti-false-stepping method and anti-false-stepping system for emergency braking of pure electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20191214 |