CN105313868A - Service braking system based on intelligent hill-start assist - Google Patents
Service braking system based on intelligent hill-start assist Download PDFInfo
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- CN105313868A CN105313868A CN201510738799.9A CN201510738799A CN105313868A CN 105313868 A CN105313868 A CN 105313868A CN 201510738799 A CN201510738799 A CN 201510738799A CN 105313868 A CN105313868 A CN 105313868A
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- valve
- gas
- type relay
- storage tank
- extractor duct
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18027—Drive off, accelerating from standstill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/15—Road slope
Abstract
The invention discloses a service braking system based on intelligent hill-start assist. The service braking system is easy to operate and good in safety and comprises a first gas storage tank (1), a foot barking valve (4) and a service braking gas chamber (8) which are communicated through gas circuits; the service braking system further comprises a second gas storage tank (3), a differential-type relay valve (5), a magnetic valve (9), a first three-way valve (61), a hill-start assist controller (2) and a gas pressure sensor (11); a first control gas port (541) of the differential-type relay valve (5) is connected with a gas outlet of the foot barking valve (4) through a gas circuit, a gas inlet (51) of the differential-type relay valve (5) is connected with the second gas storage tank (3) through a gas circuit, a gas outlet (52) of the differential-type relay valve (5) is connected with the service braking gas chamber (8) through a gas circuit, a second control gas port (542) of the differential-type relay valve (5) is connected with the second gas storage tank (3) through a gas circuit by means of the magnetic valve (9), and the gas pressure sensor (11) is arranged on the gas circuit between the gas outlet of the differential-type relay valve (5) and the service braking gas chamber (8).
Description
Technical field
The invention belongs to brake device for car technical field, particularly a kind of simple to operate, the service braking system auxiliary based on intelligent uphill starting that safety is good.
Background technology
At present, medium-heavy automobile service braking device adopts air pressure type braking device, makes service brake chamber inflated by foot brake valves, produces service brake.For conventional truck, when going up a slope starting, pilot control flow process is complicated, slips phenomenon after easily there is vehicle, and when starting of going up a slope is frequent, improper maneuver can aggravate the wearing and tearing of driving system and drg.
Existing ramp starting aid, such as Chinese utility model patent CN201320138667.9 (application number: 201320138667.9, publication date: 2013.08.28), this patent has installed 2/2-way electromagnetic valve in brake circuit, first, the valve opening aperture of this valve is little, adds airline pressure loss, causes braking the delay applying and discharge.Secondly, this valve is normally closed valve, and the release of each braking all needs electromagnetic valve conducts, even if assist without the need to uphill starting, which increases control difficulty.When system or solenoid valve failure can not conducting gas circuit time, cause braking not discharge, affect traffic safety.
Chinese patent CN201367018, adopt three electromagnetic valve combinations, but the control for brake of this technical scheme only has release and braking two states, accurately can not control the release rate of braking or accurate adjustable brake cylinder internal gas pressure, uphill starting control effects is limited, and this valve arrangement is complicated, cost is higher.
Chinese invention patent application CN201210136634 (application number: 201210136634.0, publication date: 2012.08.15), propose a kind of electromagnetic valve for the starting of AMT car ramp, this valve is made up of diaphragm type blow off valve and two two-bit triplet electromagnetic valves, and this valve is used for emergency brake system.This valve arrangement relative complex, adds control difficulty.Need through the valve opening of two-bit triplet electromagnetic valve during inflation, the little release that can postpone braking during standstill in its valve opening aperture.
In a word, prior art Problems existing is: medium-heavy automobile service braking system lacks intelligentized ramp starting aid, causes service braking system uphill starting operating difficulties, poor stability.
Summary of the invention
The object of the present invention is to provide a kind of service braking system auxiliary based on intelligent uphill starting, simple to operate, safety is good.
The technical solution realizing the object of the invention is: a kind of service braking system auxiliary based on intelligent uphill starting, comprise the first storage tank (1) be connected by gas circuit, foot brake valves (4), service brake air chamber (8), also comprise the second storage tank (3), differential type relay valve (5), electromagnetic valve (9), first triple valve (61), uphill starting subcontrol (2) and baroceptor (11), first of described differential type relay valve (5) controls gas port (541) and is connected with the air extractor duct gas circuit of described foot brake valves (4), its admission port (51) is connected with the second storage tank (3) gas circuit, its air extractor duct (52) is connected with service brake air chamber (8) gas circuit, second to control gas port (542) connected by electromagnetic valve (9) gas circuit that to be connected with the second storage tank (3) gas circuit for it, described baroceptor (11) is placed in the gas circuit between the air extractor duct of differential type relay valve (5) and service brake air chamber (8), and be electrically connected with uphill starting subcontrol (2), described uphill starting subcontrol (2) is also electrically connected with electromagnetic valve (9).
The present invention compared with prior art, its remarkable advantage:
Above-mentioned advantage reaches by the following method:
1, simple to operate: intelligent grade braking ancillary system comprises sensor, controller and actr, uphill starting subcontrol can according to information such as ramp angles, the speed of a motor vehicle, gear, braking modes, automatic triggering service brake auxiliary ramp is stopped and starting, intelligence degree is high, without the need to chaufeur intervention, simple to operate.
2, safety is good: the controller of intelligent uphill starting ancillary system also can control the progressively release of braking force according to the driving torque of power transmission system of vehicle, in the process of braking force release, signal according to baroceptor realizes controlled reset, can improve uphill starting control effects.Can active accommodation compressed air brake cylinder air pressure.When vehicle stops on ramp, controller can according to the information such as car weight, ramp angles, automatic adjustable brake pressure, ensures that vehicle safe stopping on ramp is stayed.The air pressure adjustment utilizing baroceptor and electromagnetic valve to realize braking applying process and brake release process controls, the braking force achieved in uphill starting process especially by air pressure adjustment accurately controls, achieve the cooperation control of brake system and driving system, improve uphill starting success ratio and control effects.Even if the system failure, when automatic control mode is inoperative, electromagnetic valve does not power on, and do not impact the applying of service brake and release, chaufeur still can carry out service brake and releasing by artificial maneuverability pattern, use safety, on former service brake without impact.
3, applied widely: the various medium-weight vehicle that pneumatic brake system is housed can be applicable to, and not by the restriction of transmission types, manually and automatic transmission with hydraulic torque converter all applicable.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention is based on the service braking system embodiment one that intelligent uphill starting is assisted.
Fig. 2 is the structural representation that the present invention is based on the service braking system embodiment two that intelligent uphill starting is assisted.
Fig. 3 is the structural representation of differential type relay valve in Fig. 2.
In figure, 1 storage tank one, 2 uphill starting subcontrol, 3 storage tank two, 4 foot brake valves, 5 differential type relay valves, 61 first triple valves, 8 service brake air chambers, 9 electromagnetic valves, 10 exhaust solenoid valves, 11 baroceptor, 12 proportional flow electromagnetic valves, 51 admission ports, 52 air extractor ducts, 53 exhausr ports, 541 control gas port one, 542 controls gas port two.
81 first driving compressed air brake cylinders, 82 second service brake air chambers, 62 second triple valves, 71 first abs valves, 72 second abs valves.
Detailed description of the invention
As Fig. 1, shown in 2, the present invention is based on the service braking system that intelligent uphill starting is auxiliary, comprise the first storage tank (1) be connected by gas circuit, foot brake valves (4), service brake air chamber (8), also comprise the second storage tank (3), differential type relay valve (5), electromagnetic valve (9), first triple valve (61), uphill starting subcontrol (2) and baroceptor (11), first of described differential type relay valve (5) controls gas port (541) and is connected with the air extractor duct gas circuit of described foot brake valves (4), its admission port (51) is connected with the second storage tank (3) gas circuit, its air extractor duct (52) is connected with service brake air chamber (8) gas circuit, second to control gas port (542) connected by electromagnetic valve (9) gas circuit that to be connected with the second storage tank (3) gas circuit for it, described baroceptor (11) is placed in the gas circuit between the air extractor duct of differential type relay valve (5) and service brake air chamber (8), and be electrically connected with uphill starting subcontrol (2), described uphill starting subcontrol (2) is also electrically connected with electromagnetic valve (9).
As shown in Figure 1, also comprise exhaust solenoid valve (10) and the first triple valve (61), the admission port of described first triple valve (61) communicates with the air extractor duct of electromagnetic valve (9), its first air extractor duct and second of differential type relay valve (5) control gas port (542) and communicate, its second air extractor duct communicates with the admission port of exhaust solenoid valve (10), and the admission port of described electromagnetic valve (9) communicates with the second storage tank (3); Described exhaust solenoid valve (10) is electrically connected with uphill starting subcontrol (2).
As shown in Figure 2, described electromagnetic valve (9) is proportional flow electromagnetic valve (12).
As Fig. 1, shown in 2, described service brake air chamber (8) is divided into the first driving compressed air brake cylinder (81) and the second service brake air chamber (82), also comprise the second triple valve (62), first abs valve (71), second abs valve (72), the admission port of described second triple valve (62) communicates with the air extractor duct (52) of differential type relay valve (5), its first air extractor duct is communicated by the first abs valve (71) and first compressed air brake cylinder (81) of driving a vehicle, its second air extractor duct is communicated with the second service brake air chamber (82) by the second abs valve (72).
The structure of described differential type relay valve (5) as shown in Figure 3.
It comprises admission port 51, air extractor duct 52, exhausr port 53, controls gas port 1, controls gas port 2 542.Gas port, an admission port 51 and an air extractor duct 52 is controlled because differential type relay valve has two, no matter that one end of connecting pin brake activation valve 4 controls gas port 1, or connect the control gas port 2 542 of air inlet electromagnetic valve 9, as long as control gas port have high pressure gas, storage tank 23 is just inflated to service brake air chamber 8 by differential type relay valve 5, and keeps the high-pressure gas pressure in brake cylinder identical with the anticyclonic pressure value that differential type relay valve controls mouth.
In addition, in actual mechanical process, described uphill starting subcontrol 2 is connected with by the CAN communication network controlling vehicle by CAN.Described uphill starting subcontrol 2 obtains current ratio of slope by ramp sensor, also touch switch by corresponding sensor or pressure and obtain the information such as power-transfer clutch, gear, braking mode, some vehicle is also obtained above information by CAN, crosses CAN simultaneously and obtain engine speed and the information such as torque, accelerator open degree.
The present invention is based on the service braking system braking that intelligent uphill starting assists as follows with the principle of work removed:
When vehicle be in ramp needs of short duration parking time, chaufeur tramples foot brake valves 4, uphill starting controller 2 receives the signal of foot brake valves 4, and by detecting engine torque signal, throttle signal, engine rotational speed signal, detect the signal of ramp sensor and baroceptor 11 simultaneously, and integrated logic judgement is carried out to various signal and state of the system, form action command, automatically carry out the operation of braking applying and brake release.
Braking applies, as Fig. 1, represented by dotted arrows circuit, solid line represents gas circuit, air inlet electromagnetic valve 9 based on the vapour-pressure type intelligence ramp starting aid of service braking system is energized, high pressure gas in storage tank 23 are by air inlet electromagnetic valve 9, triple valve 6 arrives the control gas port 2 542 of differential type relay valve 5, as Fig. 2, high pressure gas enter air cavity A, by piston to pressing down, and it is downward to promote spool, thus open air intake valve, high pressure gas in storage tank 23 enter air cavity C by admission port 51 and are filled with service brake air chamber 8 by air extractor duct 52, the brake strap that the high pressure gas that compressed air brake cylinder 8 is filled with promote drg as propulsion source acts on wheel hub, thus generation braking force.Uphill starting controller 2, by controlling the break-make of air inlet electromagnetic valve 9 thus controlling air inlet electromagnetic valve 9 to the air pressure controlled between gas port 2 542, the final size controlling driving braking force, realizes service brake and advocates dynamic and accurately increase.
Brake release, when by detecting the information such as engine speed and torque, accelerator opening amount signal, gear, uphill starting controller judges that chaufeur has starting to be intended to, uphill starting controller is according to the driving torque signal of power drive system, close air inlet electromagnetic valve 9, and on/off electric control is carried out to exhaust solenoid valve 10, braking pressure is discharged, and carries out controlled reset by the signal of baroceptor 11, realize the cooperation between braking force and motor torque, thus gentle start.
Uphill starting ancillary system of the present invention not only can based on propons service brake, equally also can based in/back axle service brake, if all install the angle that this system can increase the ramp parked of vehicle greatly additional in the two brake piping of vehicle driving braking, realize parking on the ramp of more heavy grade and assist with uphill starting.Its design plan is not limited only to the combination of two 2/2-way electromagnetic valves, and also can use a proportional flow electromagnetic valve, as shown in Figure 2, other design plans are the same for its system architecture, and its principle of work is as follows simultaneously:
Braking applies: the proportional flow electromagnetic valve 12 based on the vapour-pressure type intelligence ramp starting aid of service braking system is energized, uphill starting controller 2 is by the mode of operation of control ratio flow solenoid valve 12, boost control is carried out to the control gas port 2 542 of differential type relay valve 5, realizes braking force active and accurately increase;
Brake release: uphill starting controller 2 is by the mode of operation of control ratio flow solenoid valve 12, Decompression Controlling is carried out to the control gas port 2 542 of differential type relay valve 5, and by respective sensor, thus realize the coordinated between braking force and motor torque, thus gentle start.
By said method and the service braking system auxiliary based on intelligent uphill starting being combined the method, upward slope, descending or level land can be in conjunction with ramp sensor automatic decision vehicle, thus the vapour-pressure type intelligence ramp starting aid that can automatically start as required based on service braking system controls vehicle, initiatively can apply service brake when vehicle is in and goes up a slope starting to assist, without the need to artificial participation, intelligence degree is high, can reduce potential safety hazard simultaneously.
Claims (4)
1., based on the service braking system that intelligent uphill starting is auxiliary, comprise the first storage tank (1), foot brake valves (4), the service brake air chamber (8) that are connected by gas circuit, it is characterized in that:
Also comprise the second storage tank (3), differential type relay valve (5), electromagnetic valve (9), first triple valve (61), uphill starting subcontrol (2) and baroceptor (11), first of described differential type relay valve (5) controls gas port (541) and is connected with the air extractor duct gas circuit of described foot brake valves (4), its admission port (51) is connected with the second storage tank (3) gas circuit, its air extractor duct (52) is connected with service brake air chamber (8) gas circuit, second to control gas port (542) connected by electromagnetic valve (9) gas circuit that to be connected with the second storage tank (3) gas circuit for it,
Described baroceptor (11) is placed in the gas circuit between the air extractor duct of differential type relay valve (5) and service brake air chamber (8), and be electrically connected with uphill starting subcontrol (2), described uphill starting subcontrol (2) is also electrically connected with electromagnetic valve (9).
2. service braking system according to claim 1, it is characterized in that: also comprise exhaust solenoid valve (10) and the first triple valve (61), the admission port of described first triple valve (61) communicates with the air extractor duct of electromagnetic valve (9), its first air extractor duct and second of differential type relay valve (5) control gas port (542) and communicate, its second air extractor duct communicates with the admission port of exhaust solenoid valve (10), and the admission port of described electromagnetic valve (9) communicates with the second storage tank (3); Described exhaust solenoid valve (10) is electrically connected with uphill starting subcontrol (2).
3. service braking system according to claim 1, is characterized in that: described electromagnetic valve (9) is proportional flow electromagnetic valve.
4. the service braking system according to Claims 2 or 3, it is characterized in that: described service brake air chamber (8) is divided into the first driving compressed air brake cylinder (81) and the second service brake air chamber (82), also comprise the second triple valve (62), first abs valve (71), second abs valve (72), the admission port of described second triple valve (62) communicates with the air extractor duct (52) of differential type relay valve (5), its first air extractor duct is communicated by the first abs valve (71) and first compressed air brake cylinder (81) of driving a vehicle, its second air extractor duct is communicated with the second service brake air chamber (82) by the second abs valve (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738799.9A CN105313868A (en) | 2015-11-03 | 2015-11-03 | Service braking system based on intelligent hill-start assist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510738799.9A CN105313868A (en) | 2015-11-03 | 2015-11-03 | Service braking system based on intelligent hill-start assist |
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| Publication Number | Publication Date |
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| CN105313868A true CN105313868A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510738799.9A Pending CN105313868A (en) | 2015-11-03 | 2015-11-03 | Service braking system based on intelligent hill-start assist |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336703A (en) * | 2016-11-25 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Pneumatic control system, brake system of car, braking and deceleration method of testing |
| CN108515954A (en) * | 2018-05-09 | 2018-09-11 | 浙江荣众机械有限公司 | Commercial car double mode Pneumatic braking system |
| CN108622060A (en) * | 2018-05-09 | 2018-10-09 | 浙江荣众机械有限公司 | A kind of automatically controlled gas braking axle valve |
| CN109941243A (en) * | 2017-12-20 | 2019-06-28 | 郑州宇通客车股份有限公司 | Vehicle automatic parking and uphill starting auxiliary system and its control method |
| CN109955852A (en) * | 2017-12-25 | 2019-07-02 | 郑州宇通客车股份有限公司 | Stopping brake control method and its system |
| CN110077382A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Two-wheeled centralized driving brake energy recovering system of electric vehicle based on double-way check valve and linear exhaust solenoid valve |
| CN110077375A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Two-wheeled centralized driving brake energy recovering system of electric vehicle based on stacked unidirectional valve and linear exhaust solenoid valve |
| CN110077378A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Four-wheel acoustic filed brake energy recovering system of electric vehicle based on double-way check valve and linear exhaust solenoid valve |
| CN110077384A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Four-wheel centralized driving brake energy recovering system of electric vehicle based on double-way check valve and linear exhaust solenoid valve |
| CN110077377A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Two-wheeled centralized driving brake energy recovering system of electric vehicle based on stacked unidirectional valve and check valve |
| CN110077376A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Two based on double-way check valve and linear exhaust solenoid valve, which drive electric vehicle brake power, recycles gas circuit |
| CN110077383A (en) * | 2019-05-22 | 2019-08-02 | 山东理工大学 | Four-wheel driven electric vehicle Brake energy recovery gas circuit based on double-way check valve and linear exhaust solenoid valve |
| CN110103970A (en) * | 2019-05-29 | 2019-08-09 | 苏州绿控传动科技股份有限公司 | Uphill starting auxiliary system |
| CN110103916A (en) * | 2019-05-22 | 2019-08-09 | 山东理工大学 | Two-wheeled acoustic filed brake energy recovering system of electric vehicle based on double-way check valve and linear exhaust solenoid valve |
| CN112519741A (en) * | 2020-08-11 | 2021-03-19 | 东风商用车有限公司 | Air braking auxiliary system for hill start |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107336703A (en) * | 2016-11-25 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Pneumatic control system, brake system of car, braking and deceleration method of testing |
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| CN109941243A (en) * | 2017-12-20 | 2019-06-28 | 郑州宇通客车股份有限公司 | Vehicle automatic parking and uphill starting auxiliary system and its control method |
| CN109955852A (en) * | 2017-12-25 | 2019-07-02 | 郑州宇通客车股份有限公司 | Stopping brake control method and its system |
| CN108515954A (en) * | 2018-05-09 | 2018-09-11 | 浙江荣众机械有限公司 | Commercial car double mode Pneumatic braking system |
| CN108622060A (en) * | 2018-05-09 | 2018-10-09 | 浙江荣众机械有限公司 | A kind of automatically controlled gas braking axle valve |
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Application publication date: 20160210 |