CN106043259A - Independent air source parking braking system and operating method - Google Patents
Independent air source parking braking system and operating method Download PDFInfo
- Publication number
- CN106043259A CN106043259A CN201610476656.XA CN201610476656A CN106043259A CN 106043259 A CN106043259 A CN 106043259A CN 201610476656 A CN201610476656 A CN 201610476656A CN 106043259 A CN106043259 A CN 106043259A
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- Prior art keywords
- valve
- independent
- parking braking
- manual operating
- operating control
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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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/04—Driver's valves
- B60T15/041—Driver's valves controlling auxiliary pressure brakes, e.g. parking or emergency brakes
Abstract
The invention relates to an independent air source parking braking system and an operating method, and belongs to the technical field of automobile braking. The independent air source parking braking system comprises an independent air reservoir, wherein a one-way overflow valve is connected to an air inlet end of the independent air reservoir; the one-way overflow valve communicates with an air outlet of an air drier through a pipeline I; an independent manually-manipulated control valve is connected to the air outlet end of the independent air reservoir; the independent manually-manipulated control valve communicates with an air inlet of a parking braking quick release valve through a bi-pass one-way valve. The independent air source parking braking system disclosed by the invention has the advantages that the problem of braking failure caused by that a conventional parking braking system is insufficient of air pressure can be solved, and the safe reliability of the entire automobile is improved.
Description
Technical field
The present invention relates to a kind of individual gas sources parking braking system and operational approach, belong to automobile brake technical field.
Background technology
Brake system of car refers to, some part of automobile (mainly wheel) is applied certain power, thus carries out it
A series of special arrangements of a certain degree of forced brake.The Main Function of brake system of car has, and one, the automobile made in traveling
Carry out forced deceleration according to the requirement of driver even to stop；Two, the automobile making stagnation of movement (is included under the conditions of different kinds of roads
On ramp) steadily halt；Three, the car speed making descent run keeps stable.
In general, brake system of car includes that service braking device and stop device two overlap independent device.Its
Middle rolling car brake unit is handled with foot by driver, therefore also known as foot brake, the function of service braking device is to make
Car deceleration the most under steam or parking in the shortest distance；Stop device is hand-operated by driver, therefore
Also known as hand brake device, the function of stop device is to make the automobile having pulled up on various road surface remain stationary as.
The operation principle of existing holding brake device is, compressed air road after four-loop protection valve enters hand braking storage
Inflator, and give hand brake valve and hand braking relay valve supply.When hand brake valve is in " STOP " position, hand brake valve is to servo
Valve pipeline without air pressure so that relay valve close, cut off the relay valve gas fill port to hand braking locellus, hand braking locellus without
Air pressure, under the action of the spring brake action, produce braking action.When hand brake valve is in " driving " position, compressed air
Entering relay valve through hand brake valve, open relay valve air intake passage, compressed air, is pressed to hand braking chamber inflated through relay valve
Contract preset spring, thus releases braking.
During vehicle operation, when parking gas receiver storing compressed air deficiency, the air demand deficiency of brake valve, brake valve occur
During the faults such as pipeline gas leakage, airway blockage, the compressed air pressure that when easily causing parking braking, brakes produces is not enough, enters
And cause the problem that can not release parking braking.Common solution is, ability after being back-outed by the screw rod of back axle brake chamber
Mobile passenger vehicle, now, in moving process, there is bigger potential safety hazard, easily cause traffic in passenger vehicle because of brake system non-functional
Accident.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of individual gas sources parking braking system and operation side
Method, it is possible to resolve the brake fade problem that conventional parking brake system air pressure deficiency causes, improves the security reliability of car load.
Technical scheme is as follows: a kind of individual gas sources parking braking system, including independent gas receiver, described independence
The inlet end of gas receiver connects one-way overflow valve, and described one-way overflow valve is by pipeline one with air drier gas outlet even
Logical, the outlet side of described independent gas receiver connects has independent manual operating control valve, described independent manual operating control valve to pass through bilateral
Check valve connects with parking braking quick release valve air inlet.
Technical scheme also includes: the first import of described double-way check valve is by pipeline and independent manual operating control
The outlet of valve processed, the second import of double-way check valve is by pipeline with conventional braking system manual operating control valve gas outlet even
Logical, the outlet of double-way check valve is connected with parking braking quick release valve air inlet by pipeline.
Technical scheme also includes: described pipeline one is provided with three way cock, and the first of described three way cock connects
Mouth is connected with air drier gas outlet by pipeline, and second interface of three way cock is connected with one-way overflow valve by pipeline,
3rd interface of three way cock is connected with conventional braking system four-loop protection valve air inlet by pipeline.
Technical scheme also includes: the volume of described independent gas receiver is 8～13 liters.
Technical scheme also includes: the volume of described independent gas receiver is 10 liters.
Technical scheme also includes: the unlatching pressure of described one-way overflow valve is 0.72Mpa.
A kind of individual gas sources parking braking system operational approach, key step includes:
Step one, connects an interface of one-way overflow valve, one-way overflow valve and three way cock by the inlet end of independent gas receiver
Connection, two other interface of three way cock connects air drier gas outlet and conventional braking system four-loop protection valve respectively
Air inlet；
Step 2, connects the import of independent manual operating control valve by the outlet side of independent gas receiver, independent manual operating control valve
Outlet and an inlet communication of double-way check valve, the another one import of double-way check valve connects conventional braking system manual operating
Control valve gas outlet, the outlet of double-way check valve connects parking braking quick release valve air inlet, completes autonomous system and installs；
Step 3, when needs autonomous system releases parking, controls independent manual operating control valve, makes independent manual operating control valve
Inlet and outlet is connected, and the high pressure gas in independent gas receiver sequentially passes through independent manual operating control valve, double-way check valve, parking system
Dynamic quick release valve air inlet laggard enter parking brake chamber, it is achieved parking releases.
Technical scheme also includes: when needs autonomous system emergency brake, control independent manual operating control valve,
The inlet and outlet making independent manual operating control valve disconnects, and high pressure gas is by independent manual operating control valve and conventional system parking system
The air vent of dynamic quick release valve is released, it is achieved emergency brake.
The invention has the beneficial effects as follows: by increasing autonomous system, when conventional system air pressure is not enough, cannot release parking system
Time dynamic, utilize the gases at high pressure stored in independent gas receiver in autonomous system, gases at high pressure solution can be provided to parking braking air chamber
Except parking braking；Meanwhile, in order to not affect the parking braking of conventional braking system, autonomous system is arranged one-way overflow valve and
Double-way check valve, can improve the security reliability of car load.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
In figure: 1, three way cock, 2, one-way overflow valve, 3, independent gas receiver, 4, independent manual operating control valve, 5, bilateral list
To valve, 6, air drier gas outlet, 7, conventional braking system four-loop protection valve air inlet, 8, conventional braking system manual operating
Control valve gas outlet, 9, parking braking quick release valve air inlet.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of individual gas sources parking braking system of the present invention, is in (the letter below of existing passenger vehicle conventional parking brake system
Claim conventional system) on the basis of extra increase, cause that conventional system air pressure is not enough mainly for passenger vehicle because of fault, cannot release
The problem of parking braking, has and controls the advantages such as simple, safe and reliable.
As it is shown in figure 1, a kind of individual gas sources parking braking system of the present invention, including three way cock 1, one-way overflow valve 2,
Independent gas receiver 3, independent manual operating control valve 4, double-way check valve 5, wherein, the first interface of three way cock 1 by pipeline with
Air drier gas outlet 6 connects, and second interface of three way cock 1 is connected with one-way overflow valve 2 by pipeline, and three way cock 1
The 3rd interface connected with conventional braking system four-loop protection valve air inlet 7 by pipeline.
If autonomous system and conventional system have a side low because of fault air pressure drop, the opposing party must not be affected and normally work.To this end,
Installing one-way overflow valve 2 between autonomous system and conventional system, one-way overflow valve 2 is connected with independent gas receiver 3, high pressure gas warp
One-way overflow valve 2 flows into independent gas receiver 3.Specifically, it is 0.72Mpa that one-way overflow valve 2 opens pressure design, if autonomous system
The air pressure that breaks down reduces, and the maximum gas pressure of conventional braking system also can reach 0.72Mpa, and this pressure meets conventional brake need
Ask.
One-way overflow valve 2 is connected with the inlet end of independent gas receiver 3, and pipeline is passed through with only in the outlet side of independent gas receiver 3
The inlet communication of vertical manual operating control valve 4, the outlet of independent manual operating control valve 4 is by pipeline and the first of double-way check valve 5
Inlet communication.Second import of double-way check valve 5 is connected with conventional braking system manual operating control valve gas outlet 8 by pipeline,
The outlet of double-way check valve 5 is connected with parking braking quick release valve air inlet 9 by pipeline.Autonomous system works with conventional system
Time, two systems should not interfere with each other.To this end, install double-way check valve 5 on the parking loop of conventional braking system.
In embodiments of the invention, autonomous system is as Emergency use after bus brake system system fault, therefore the independence of equipment
Gas receiver volume need not be large, and meets 2-4 emergency brake, to sum up selects volume 8～13L, the wherein independence of volume 10L
Gas receiver is optimal.
In embodiments of the invention, independent manual operating control valve 4 is arranged on driver's compartment as the control unit of autonomous system
In, it is ensured that driver can conveniently handle.The function of independent manual operating control valve 4 and the manual operating control valve outward appearance of conventional system
Should there is difference, it is to avoid driver's maloperation.
During work, the high pressure gas flowed out from air drier gas outlet 6 is shunted by three way cock 1, and a part is by often
Rule system air inlet 7 enters conventional system, and another part then stores in one-way overflow valve 2 enters independent gas receiver 3.
A kind of individual gas sources parking braking system operational approach of the present invention, key step includes:
Step one, connects one-way overflow valve 2, one-way overflow valve 2 and one of three way cock 1 by the inlet end of independent gas receiver 3
Orifice, two other interface of three way cock 1 connects air drier gas outlet 6 and conventional braking system four loop respectively
Protection valve air inlet 7；
Step 2, connects the import of independent manual operating control valve 4, independent manual operating control valve 4 by the outlet side of independent gas receiver 3
An inlet communication of outlet and double-way check valve 5, the another one import of double-way check valve 5 connects conventional braking system hands
Handling control valve gas outlet 8, the outlet of double-way check valve 5 connects parking braking quick release valve air inlet 9, completes autonomous system peace
Dress；
Step 3, when needs autonomous system releases parking, controls independent manual operating control valve 4, makes independent manual operating control valve 4
Inlet and outlet connect, the high pressure gas in independent gas receiver 3 sequentially pass through independent manual operating control valve 4, double-way check valve 5,
Parking braking quick release valve air inlet 9 laggard enter parking brake chamber, it is achieved parking release.
When needs autonomous system emergency brake, control independent manual operating control valve 4, make independent manual operating control valve 4
Inlet and outlet disconnects, and high pressure gas is by independent manual operating control valve 4 and the air vent of the quick release valve of conventional system parking braking
Release, it is achieved emergency brake.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, all at this
Made any amendment, equivalent and improvement etc. within the spirit of invention and principle, be should be included in protection scope of the present invention
Within.
Claims (8)
1. an individual gas sources parking braking system, it is characterised in that: include independent gas receiver (3), described independent gas receiver (3)
Inlet end connect and have one-way overflow valve (2), described one-way overflow valve (2) is by pipeline one and air drier gas outlet (6)
Connection, the outlet side of described independent gas receiver (3) connects independent manual operating control valve (4), described independent manual operating control valve
(4) connected with parking braking quick release valve air inlet (9) by double-way check valve (5).
2. a kind of individual gas sources parking braking system as claimed in claim 1, it is characterised in that: described double-way check valve (5)
First import outlet by pipeline and independent manual operating control valve (4), the second import of double-way check valve (5) is passed through
Pipeline connects with conventional braking system manual operating control valve gas outlet (8), and the outlet of double-way check valve (5) is by pipeline and parking
Braking quick release valve air inlet (9) connection.
3. a kind of individual gas sources parking braking system as claimed in claim 1, it is characterised in that: described pipeline one is provided with three
Pass joint (1), the first interface of described three way cock (1) is connected with air drier gas outlet (6) by pipeline, three way cock
(1) the second interface is connected with one-way overflow valve (2) by pipeline, and the 3rd interface of three way cock (1) is by pipeline and routine
Brakes four-loop protection valve air inlet (7) connects.
4. a kind of individual gas sources parking braking system as described in claims 1 to 3 is arbitrary, it is characterised in that: described independent storage
The volume of inflator (2) is 8～13 liters.
5. a kind of individual gas sources parking braking system as claimed in claim 4, it is characterised in that: described independent gas receiver (2)
Volume be 10 liters.
6. a kind of individual gas sources parking braking system as claimed in claim 4, it is characterised in that: described one-way overflow valve (2)
Unlatching pressure be 0.72Mpa.
7. an individual gas sources parking braking system operational approach, key step includes:
Step one, connects one-way overflow valve (2), one-way overflow valve (2) and three way cock by the inlet end of independent gas receiver (3)
(1) a orifice, two other interface of three way cock (1) connects air drier gas outlet (6) and routine respectively
Brakes four-loop protection valve air inlet (7)；
Step 2, connects the import of independent manual operating control valve (4), independent manual operating control by the outlet side of independent gas receiver (3)
The outlet of valve processed (4) and an inlet communication of double-way check valve (5), the another one import of double-way check valve (5) often connects
Rule brakes manual operating control valve gas outlet (8), the outlet of double-way check valve (5) connects parking braking quick release valve air inlet
(9), complete autonomous system to install；
Step 3, when needs autonomous system releases parking, controls independent manual operating control valve (4), makes independent manual operating control
The inlet and outlet of valve (4) is connected, and the high pressure gas in independent gas receiver (3) sequentially passes through independent manual operating control valve (4), bilateral
Check valve (5), parking braking quick release valve air inlet (9) laggard enter parking brake chamber, it is achieved parking releases.
8. a kind of individual gas sources parking braking system operational approach as claimed in claim 7, it is characterised in that: when needs independence
During system emergency braking, control independent manual operating control valve (4), make the inlet and outlet of independent manual operating control valve (4) disconnect,
High pressure gas is released by the air vent of independent manual operating control valve (4) and the quick release valve of conventional system parking braking, it is achieved emergent
Braking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476656.XA CN106043259A (en) | 2016-06-27 | 2016-06-27 | Independent air source parking braking system and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476656.XA CN106043259A (en) | 2016-06-27 | 2016-06-27 | Independent air source parking braking system and operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106043259A true CN106043259A (en) | 2016-10-26 |
Family
ID=57165682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610476656.XA Pending CN106043259A (en) | 2016-06-27 | 2016-06-27 | Independent air source parking braking system and operating method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106043259A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859661A (en) * | 2018-07-23 | 2018-11-23 | 中国重汽集团济南动力有限公司 | A kind of hydrogen fuel cell car warm air system and control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673222A (en) * | 1986-01-31 | 1987-06-16 | Allied Corporation | Tractor air pressure braking system |
| WO2008122382A1 (en) * | 2007-04-04 | 2008-10-16 | Wabco Gmbh | Parking brake device of a vehicle with emergency release function and method for operating such a parking brake device |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
| CN202657018U (en) * | 2012-05-07 | 2013-01-09 | 郑州宇通客车股份有限公司 | Parking braking system |
| CN104015713A (en) * | 2014-04-16 | 2014-09-03 | 中国重汽集团成都王牌商用车有限公司 | Pneumatic braking system for truck |
| CN205801088U (en) * | 2016-06-27 | 2016-12-14 | 中国重汽集团济南动力有限公司 | A kind of individual gas sources parking braking system |
-
2016
- 2016-06-27 CN CN201610476656.XA patent/CN106043259A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673222A (en) * | 1986-01-31 | 1987-06-16 | Allied Corporation | Tractor air pressure braking system |
| WO2008122382A1 (en) * | 2007-04-04 | 2008-10-16 | Wabco Gmbh | Parking brake device of a vehicle with emergency release function and method for operating such a parking brake device |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
| CN202657018U (en) * | 2012-05-07 | 2013-01-09 | 郑州宇通客车股份有限公司 | Parking braking system |
| CN104015713A (en) * | 2014-04-16 | 2014-09-03 | 中国重汽集团成都王牌商用车有限公司 | Pneumatic braking system for truck |
| CN205801088U (en) * | 2016-06-27 | 2016-12-14 | 中国重汽集团济南动力有限公司 | A kind of individual gas sources parking braking system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859661A (en) * | 2018-07-23 | 2018-11-23 | 中国重汽集团济南动力有限公司 | A kind of hydrogen fuel cell car warm air system and control method |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |
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| RJ01 | Rejection of invention patent application after publication |