CN110371095A - A kind of service braking system and vehicle - Google Patents
A kind of service braking system and vehicle Download PDFInfo
- Publication number
- CN110371095A CN110371095A CN201910667807.3A CN201910667807A CN110371095A CN 110371095 A CN110371095 A CN 110371095A CN 201910667807 A CN201910667807 A CN 201910667807A CN 110371095 A CN110371095 A CN 110371095A
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- CN
- China
- Prior art keywords
- electromagnetic relay
- brake
- valve
- brake chamber
- braking system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B60T13/24—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 the fluid being gaseous
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/04—Arrangements of piping, valves in the piping, e.g. cut-off valves, couplings or air hoses
-
- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/06—Applications or arrangements of reservoirs
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The embodiment of the invention discloses a kind of service braking system and vehicles, and wherein the service braking system includes: air tank, brake valve, two electromagnetic relay valves and brake chamber；Wherein, air inlet of the air tank respectively with the air inlet of brake valve, two electromagnetic relay valves passes through air circuit connection, for providing gas source；Control mouth of the gas outlet of brake valve respectively with two electromagnetic relay valves passes through air circuit connection；The gas outlet of two electromagnetic relay valves is respectively with ipsilateral brake chamber by air circuit connection, for supplying for brake chamber.Service braking system provided in an embodiment of the present invention can be accelerated the response time, and amount of parts is reduced, and cost is greatly lowered, and assembly process process greatly improves.
Description
Technical field
The present embodiments relate to vehicle brake technology field more particularly to a kind of service braking systems and vehicle.
Background technique
Braking response time when using air brakes vehicles refers to, upon activation between when being 0.2S, from starting to actuate system
Control device to the worst brake chamber pressure of dynamic system reaches 75% time experienced of its stable state maximum pressure value.
" brake system of car properity and test method " and " motor vehicle safe and technical specification " provides heavy truck driving
0.6s is not to be exceeded in the braking response time.Domestic many heavy truck driving cycles are severe, and the requirement to the braking response time is more
It is harsh.
Currently, a kind of technical solution of heavy truck service braking system is as follows: air tank can be brake valve and servo
Valve provides gas source, and driver controls brake valve valve opening by trampling brake pedal, and then controls braking valve air gate gas
Pressure, braking valve air gate are connected to relay valve control mouth, thus adjusting relay valve gas outlet pressure, servo valve air gate passes through
The two anti-lock solenoid valves in left and right are connected to two gas chambers of ipsilateral middle rear axle.It is service brake in the prior art referring to Fig. 1, Fig. 1
The schematic diagram of system.But the defect of this technical solution on the one hand be, source gas needed after a relay valve through
It crosses after the two anti-lock solenoid valves in left and right, while to middle right, middle left, the rear left 4 brake chambers gas supply of right and rear, due to gas
The brake chamber entered by single relay valve is excessive, and whole system is caused to there is lag on the response time；On the other hand
It is that anti-lock solenoid valve receives the signal of antilock control unit, adjusts air pressure to realize anti-lock function, anti-lock electromagnetism
Valve self-characteristic determines that its gas circuit aperture has throttling, and it is long to further result in the time that gas establishes pressure in brake chamber, rings
It should be slow.
The another technical solution of service braking system can be using double relay valve tandem plans.The technical solution is upper one
On the basis of technical solution, two relay valves are directly controlled by brake valve, two relay valves respectively with left and right anti-lock electromagnetism
Valve connection, and then it is separately connected the ipsilateral brake chamber of middle rear axle.Compared with a upper technical solution, although the program can be certain
Accelerate in degree the response time, but it still passes through an anti-lock solenoid valve and gives two brake chambers gas supply, not can avoid by
In slow down the response time that anti-lock solenoid valve self-characteristic just comes the problem of；Meanwhile increasing system core component number
Amount, causes system cost to increase considerably.
In order to solve the problems, such as that the response time long, there are also a kind of three relay valve braking systems, which is compared at present mostly
Number braking system, realizes the fast aeration of centering rear axle gas chamber, improves Conventional braking systems response time length, brakes slowly
Problem greatly accelerates the braking response time.But the program equally exists the problem of increasing key components and parts, still can
Cause increased costs, connecting line complicated and the problem of assembly technology difficulty.
Summary of the invention
The embodiment of the present invention provides a kind of service braking system and vehicle, can drop on the basis of accelerating the response time
Low cost.
In a first aspect, the embodiment of the invention provides a kind of service braking systems, comprising: air tank, brake valve, two electricity
Magnetic relay valve and brake chamber；
Wherein, the air tank is logical with the air inlet of the air inlet of the brake valve, two electromagnetic relay valves respectively
Air circuit connection is crossed, for providing gas source；
Control mouth of the gas outlet of the brake valve respectively with two electromagnetic relay valves passes through air circuit connection；
The gas outlet of two electromagnetic relay valves respectively with the ipsilateral brake chamber by air circuit connection, for for
The brake chamber gas supply.
Further, right electromagnetic relay valve and rear left electromagnetic relay valve after two electromagnetic relay valves are respectively.
Further, the brake chamber includes two jackshaft brake chambers and two rear axle brake chambers, two of them
The jackshaft brake chamber be respectively in right brake chamber and middle left brake chamber, after two rear axle brake chambers are respectively
Right brake chamber and rear left brake chamber.
Further, after described the gas outlet of right electromagnetic relay valve respectively with the middle right brake chamber, it is described after right system
Room take offence by air circuit connection, the gas outlet of the rear left electromagnetic relay valve respectively with the middle left brake chamber, the rear left
Brake chamber passes through air circuit connection.
Further, the electromagnetic relay valve includes a control mouth, an air inlet and a gas outlet.
Further, the service braking system further includes antilock control unit,
The antilock control unit is electrically connected with two electromagnetic relay valves respectively, is believed for being controlled by anti-lock
Number realize anti-lock.
Further, the brake valve is used to control the gas pressure of the gas outlet of two electromagnetic relay valves.
Second aspect, the embodiment of the invention also provides a kind of vehicle, which has service brake as described above
System.
Technical solution provided in an embodiment of the present invention is controlled the outlet pressure of two electromagnetic relay valves by brake valve, made
Two electromagnetic relay valves are obtained to supply to ipsilateral brake chamber.The embodiment of the present invention uses electromagnetic relay valve, compared to the prior art,
The fast aeration to each brake chamber is realized, can be accelerated the response time, shortens braking distance, while meeting regulation
Braking ability is effectively promoted, meets the needs of various operating conditions are to the braking response time, also, driving provided in an embodiment of the present invention
Braking system amount of parts is reduced, and cost is greatly lowered, and assembly process process greatly improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of service braking system in the prior art；
Fig. 2 is the structural schematic diagram of the service braking system in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the rear right electromagnetic relay valve in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of the rear left electromagnetic relay valve in the embodiment of the present invention one；
Fig. 5 is the structural schematic diagram of the brake valve in the embodiment of the present invention one.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 2 is the structural schematic diagram of the service braking system in the embodiment of the present invention one.Shown in Fig. 2, the service brake
System includes air tank 28, brake valve 21, two electromagnetic relay valves and brake chambers；
Wherein, air inlet of the air tank 28 respectively with the air inlet of brake valve 21, two electromagnetic relay valves is connected by gas circuit
It connects, for providing gas source；
Control mouth of the gas outlet of brake valve 21 respectively with two electromagnetic relay valves passes through air circuit connection；
The gas outlet of two electromagnetic relay valves is respectively with ipsilateral brake chamber by air circuit connection, for being brake chamber
Gas supply.
As shown in Fig. 2, solid line can indicate gas circuit, chain-dotted line can with indication circuit, there are intersection point between two lines in figure,
It indicates connection, intersection point is not present, then it represents that be not connected to.
Fig. 1 is the structural schematic diagram of service braking system in the prior art, and service braking system in the prior art can be with
Including air tank 10, brake valve 11, relay valve 12, rear right anti-lock solenoid valve 13, rear left anti-lock solenoid valve 14, middle right braking
Gas chamber 15, middle left brake chamber 16, rear right brake chamber 17, right left brake chamber 18 and antilock control unit 19.Air tank
10 provide gas source for brake valve 11 and relay valve 12, and driver controls 11 valve opening of brake valve by trampling brake pedal, into
And 11 gas outlet gas pressure of brake valve is controlled, 11 gas outlet of brake valve is connected to 12 control mouth of relay valve, to adjust servo
12 gas outlet pressure of valve；Right anti-lock solenoid valve 13 and rear left anti-lock solenoid valve 14 are connected to after 12 gas outlet of relay valve passes through
Middle right brake chamber 15, middle left brake chamber 16, rear right brake chamber 17 and right left brake chamber 18.
In service braking system in the prior art, each anti-lock solenoid valve is required to as two ipsilateral brake chambers
Gas supply, gas is excessive by the brake chamber that single relay valve is entered, and entire braking system is caused to exist on the response time
Lag.
The relay valve used in the present embodiment is electromagnetic relay valve, compared with the anti-lock solenoid valve in Fig. 1, although all may be used
To realize anti-lock function, but principle and structure are different.Make it that gas be not present using electromagnetic relay valve in the present embodiment
Throttling is led to the problem of to two brake chamber gas supply into excessively single electromagnetic relay valve, so that the response time mentions significantly
It is high.
Further, referring to fig. 2, right electromagnetic relay valve 22 and rear left electromagnetic relay valve after two electromagnetic relay valves are respectively
23。
As shown in Fig. 2, brake chamber includes two jackshaft brake chambers and two rear axle brake chambers, two of them jackshaft
Brake chamber be respectively in right brake chamber 24 and middle left brake chamber 25, two rear axle brake chambers be respectively after right braking gas
Room 26 and rear left brake chamber 27.
Further, electromagnetic relay valve may include a control mouth, an air inlet and a gas outlet.Control mouth,
It is not construed as limiting in position the present embodiment of air inlet and air outlet, such as air inlet and control mouth can be located at electromagnetic relay valve
Side, gas outlet can be located at the other side of electromagnetic relay valve.
Fig. 3 is the structural schematic diagram of the rear right electromagnetic relay valve in the embodiment of the present invention one, and Fig. 4 is the embodiment of the present invention one
In rear left electromagnetic relay valve structural schematic diagram.Referring to Fig. 3 and Fig. 4, in rear right electromagnetic relay valve 22 include air inlet 221,
Control mouth 223 and gas outlet 222 include air inlet 231, control mouth 233 and gas outlet 232 in rear left electromagnetic relay valve 23.
Fig. 5 is the structural schematic diagram of the brake valve in the embodiment of the present invention one, and brake valve 21 may include gas outlet in figure
211 and air inlet 212.
Further, the gas outlet 222 of rear right electromagnetic relay valve 22 respectively with middle right brake chamber 24, rear right brake chamber
26 by air circuit connection, the gas outlet 232 of rear left electromagnetic relay valve 23 respectively with middle left brake chamber 25, rear left brake chamber 27
By air circuit connection, for realizing the fast aeration to brake chamber.
Further, the air inlet with the air inlet 212 of brake valve 21, rear right electromagnetic relay valve 22 respectively of air tank 28
221, the air inlet 231 of rear left electromagnetic relay valve 23 is connected, and provides gas source for it；The gas outlet 211 of brake valve 21 and rear right electricity
The control mouth 223 of magnetic relay valve 22 is connected with the control mouth 233 of rear left electromagnetic relay valve 23, for controlling two electromagnetic relay valves
Gas outlet gas pressure, to realize control of the brake valve 21 to entire service brake.
Further, which further includes antilock control unit 29, antilock control unit 29 respectively with
Two electromagnetic relay valve electrical connections realize anti-lock for controlling signal by anti-lock.
In the present embodiment, air tank 28 is that brake valve 21, rear right electromagnetic relay valve 22 and rear left electromagnetic relay valve 23 provide
After gas source, gas by brake valve 21 gas outlet 211 to rear right electromagnetic relay valve 22 control mouth 223 and rear left electromagnetism servo
The control mouth 233 of valve 23 controls the gas pressure of electromagnetic relay valve gas outlet；Right electromagnetic relay valve 22 and rear left electromagnetism servo afterwards
Valve 23 is respectively in ipsilateral, rear brake chamber gas supply, quickly establishes air pressure to realize.
Driver controls the gas outlet pressure of brake valve 21, the gas outlet connection of brake valve 21 by trampling brake pedal
The control mouth of right electromagnetic relay valve 22 and rear left electromagnetic relay valve 23 afterwards, so that gas pressure is consistent between each other.Single electromagnetism
Relay valve only gives two ipsilateral brake chambers to supply, and reduces the load of electromagnetic relay valve, so that brake chamber pressure is established
Faster, the response time accelerates.
On the basis of the above embodiments, the embodiment of the invention also provides a kind of vehicle, which has institute as above
The service braking system stated, to realize the service brake of vehicle.
Technical solution provided in an embodiment of the present invention is controlled the outlet pressure of two electromagnetic relay valves by brake valve, made
Two electromagnetic relay valves are obtained to supply to ipsilateral brake chamber.The embodiment of the present invention uses electromagnetic relay valve, compared to the prior art,
The fast aeration to each brake chamber is realized, may be implemented to accelerate the response time, shorten braking distance, meeting regulation
Braking ability is effectively promoted simultaneously, meets the needs of various operating conditions are to the braking response time, also, system parts quantity subtracts
Few, cost is greatly lowered, and assembly process process greatly improves.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of service braking system characterized by comprising air tank, brake valve, two electromagnetic relay valves and braking gas
Room；
Wherein, air inlet of the air tank respectively with the air inlet of the brake valve, two electromagnetic relay valves passes through gas
Road connection, for providing gas source；
Control mouth of the gas outlet of the brake valve respectively with two electromagnetic relay valves passes through air circuit connection；
The gas outlet of two electromagnetic relay valves is respectively with the ipsilateral brake chamber by air circuit connection, for being described
Brake chamber gas supply.
2. service braking system according to claim 1, which is characterized in that two electromagnetic relay valves are right after being respectively
Electromagnetic relay valve and rear left electromagnetic relay valve.
3. service braking system according to claim 2, which is characterized in that the brake chamber includes two jackshaft brakings
Gas chamber and two rear axle brake chambers, jackshaft brake chamber described in two of them be respectively in right brake chamber and middle left braking gas
Room, two rear axle brake chambers are respectively rear right brake chamber and rear left brake chamber.
4. service braking system according to claim 3, which is characterized in that the gas outlet point of right electromagnetic relay valve after described
Air circuit connection, the gas outlet of the rear left electromagnetic relay valve are not passed through with the middle right brake chamber, the rear right brake chamber
Pass through air circuit connection with the middle left brake chamber, the rear left brake chamber respectively.
5. service braking system according to claim 1, which is characterized in that the electromagnetic relay valve includes a control
Mouth, an air inlet and a gas outlet.
6. service braking system according to claim 1, which is characterized in that it further include antilock control unit,
The antilock control unit is electrically connected with two electromagnetic relay valves respectively, real for controlling signal by anti-lock
Existing anti-lock.
7. service braking system according to claim 1, which is characterized in that the brake valve is for controlling two electricity
The gas pressure of the gas outlet of magnetic relay valve.
8. a kind of vehicle, which is characterized in that configuration any service braking system just like in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667807.3A CN110371095B (en) | 2019-07-23 | 2019-07-23 | Service braking system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667807.3A CN110371095B (en) | 2019-07-23 | 2019-07-23 | Service braking system and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110371095A true CN110371095A (en) | 2019-10-25 |
| CN110371095B CN110371095B (en) | 2020-09-18 |
Family
ID=68255231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910667807.3A Active CN110371095B (en) | 2019-07-23 | 2019-07-23 | Service braking system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110371095B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803147A (en) * | 2019-11-27 | 2020-02-18 | 一汽解放汽车有限公司 | Air braking system and braking method thereof |
| CN112277908A (en) * | 2020-10-30 | 2021-01-29 | 湖北航天技术研究院特种车辆技术中心 | Vehicle braking system, vehicle braking method based on vehicle braking system and storage medium |
| CN114802146A (en) * | 2022-05-25 | 2022-07-29 | 中国重汽集团济南动力有限公司 | Rear axle driving double-loop control braking system and vehicle |
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| KR20080032571A (en) * | 2006-10-10 | 2008-04-15 | 현대자동차주식회사 | Air brake system for commercial vehicle |
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| CN103481882A (en) * | 2013-10-14 | 2014-01-01 | 徐州重型机械有限公司 | Service braking system of four-axle chassis and crane with same |
| JP2015124824A (en) * | 2013-12-26 | 2015-07-06 | ダイハツ工業株式会社 | Hydraulic control device of automatic transmission |
| CN105329229A (en) * | 2015-11-25 | 2016-02-17 | 北汽福田汽车股份有限公司 | Car and braking system of car |
| CN107128296A (en) * | 2017-05-10 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | It is pneumatic to use automatically controlled relay valve |
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2019
- 2019-07-23 CN CN201910667807.3A patent/CN110371095B/en active Active
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| JP2002211370A (en) * | 2001-01-19 | 2002-07-31 | Nippon Sharyo Seizo Kaisha Ltd | Erroneous start prevention system of trailer |
| KR20080032571A (en) * | 2006-10-10 | 2008-04-15 | 현대자동차주식회사 | Air brake system for commercial vehicle |
| CN202171529U (en) * | 2011-08-02 | 2012-03-21 | 广州市西合汽车电子装备有限公司 | Dynamic performance test system for integrated mediator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803147A (en) * | 2019-11-27 | 2020-02-18 | 一汽解放汽车有限公司 | Air braking system and braking method thereof |
| CN112277908A (en) * | 2020-10-30 | 2021-01-29 | 湖北航天技术研究院特种车辆技术中心 | Vehicle braking system, vehicle braking method based on vehicle braking system and storage medium |
| CN114802146A (en) * | 2022-05-25 | 2022-07-29 | 中国重汽集团济南动力有限公司 | Rear axle driving double-loop control braking system and vehicle |
| CN114802146B (en) * | 2022-05-25 | 2023-11-03 | 中国重汽集团济南动力有限公司 | Rear axle driving double-loop control braking system and vehicle |
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|---|---|
| CN110371095B (en) | 2020-09-18 |
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