CN202753930U - Novel air pressure braking system - Google Patents
Novel air pressure braking system Download PDFInfo
- Publication number
- CN202753930U CN202753930U CN 201220417032 CN201220417032U CN202753930U CN 202753930 U CN202753930 U CN 202753930U CN 201220417032 CN201220417032 CN 201220417032 CN 201220417032 U CN201220417032 U CN 201220417032U CN 202753930 U CN202753930 U CN 202753930U
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- air
- pressure
- valve
- control valve
- gradient control
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Abstract
The utility model discloses a novel air pressure braking system. The novel air pressure braking system comprises an air compressor, wherein the air compressor is connected with an air drier, the air drier is connected with a regeneration gas reservoir and a quadruple-circuit protective valve simultaneously, the quadruple-circuit protective valve is connected with a gas reservoir, and the gas reservoir is connected with a braking master valve. The novel air pressure braking system further comprises a pressure controlling valve, wherein the pressure controlling valve is connected with the braking master valve and is simultaneously connected with the regeneration gas reservoir and the air drier. Based on the improvements, the improved braking system is characterized in that though the gas consumption is large and the system pressure is difficult to reach the set pressure of the air drier; as long as a driver stomps a brake pedal, the system can exhaust air through the drier and moisture reserved in the air drier can be exhausted out of the system. Thus, extra moisture cannot be reserved inside the braking system, and therefore service life of braking system components can be prolonged and driving safety of automobiles can be raised.
Description
Technical field
The utility model relates to kind of a Novel pressure brake system, is specifically related to a kind of novel Pneumatic braking system that is applicable to large and medium bus.
Background technology
At present the brake system of large and medium bus adopts the double-loop air braking more, air dryer is installed filtering the airborne moisture of compression in the brake piping, thereby the drying of the system of assurance avoids that each components and parts lost efficacy because of the impact of water in the brake system.But along with the development of technology and the progress of society, the various vehicles that move on the road are more and more, need with the system of gas more and more on the car, gas consumption is increasing, the off-load air pressure that causes the air pressure president of the system time out of reach dryer of vehicle, and then cause the molecular sieve of dryer to lose efficacy, so that dryer has lost the effect of due filtration moisture, cause the moisture in the pressurized air directly to enter into follow-up brake system components and parts, cause system's inefficacy of getting rusty, and then affected the safety of stroke.
Summary of the invention
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, and the applicant has carried out the specific aim improvement for existing brake system principle, and a kind of Novel pressure brake system is provided.
For achieving the above object, the utility model adopts following technical proposals:
A kind of Novel pressure brake system; comprise air compressor; air compressor connects air dryer; air dryer connects regeneration air receiver and four-loop protection valve simultaneously; four-loop protection valve connects air receiver, and air receiver connects main brake valve, and it also comprises pressure-gradient control valve; this pressure-gradient control valve is connected with main brake valve, and pressure-gradient control valve also is connected with air dryer with the regeneration air receiver simultaneously.
Draw an air pipe on the described regeneration air receiver and link to each other with the admission port of pressure-gradient control valve, the air extractor duct of pressure-gradient control valve is connected on the control mouth of dryer.
The air extractor duct of described main brake valve is drawn an air pipe and is linked to each other with the control mouth of pressure-gradient control valve.
Described pressure-gradient control valve is two-bit triplet pressure-gradient control valve (being the two-bit triplet electromagnetic valve).
When chaufeur is stepped on main brake valve, arrive the control mouth of pressure-gradient control valve by pipeline from the pressurized air of main brake valve, make admission port and the air extractor duct conducting of pressure-gradient control valve, namely enter into by the road like this control mouth of air dryer from the pressurized air of regeneration air receiver, and then the blow off valve of air dryer is opened, be trapped in outside moisture in the air dryer namely is exhausted from system, finish drain function one time.
Brake system principle after above-mentioned improvement has following features: even system's gas consumption is very large, the difficult setting pressure that reaches air dryer of system pressure, as long as the driver steps on brake pedal, system just can produce the exhaust action by dryer, is trapped in outside the moisture discharge system in the air dryer.Just can not accumulate too much moisture in the brake system like this, thereby prolong the service life of brake system components and parts, improve the driving safety of vehicle.
Description of drawings
Fig. 1 is traditional brake system schematic diagram;
Fig. 2 is the brake system schematic diagram after the improvement;
Fig. 3 is the schematic diagram of dryer.
1. air compressors wherein, 2. blow off valve, 3. pressure regulating valve, 4. air dryer, 5. regeneration air receiver, 6. four-loop protection valve, 7. air receiver, 8. main brake valve, 9. two-bit triplet pressure-gradient control valve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Traditional brake system schematic diagram as shown in Figure 1.Air compressor 1 will be input in the air dryer 4 by pressure duct from the compresses fresh air in the external environment.After pressurized air was flowed through air dryer 4, aqueous vapor contained in the pressurized air namely was trapped in wherein, and not steam-laden pressurized air after drying is stored in the air receiver 7 behind four-loop protection valve 6.When stepping on main brake valve 8, the pressurized air that is stored in the air receiver 7 namely enters in the compressed air brake cylinder through main brake valve 8, thereby finishes the brake operating of vehicle.Such as Fig. 1, shown in Figure 3, a built-in pressure regulating valve 3 is arranged in described dryer 4.The effect of this pressure regulating valve 3 is maximum working pressures of setting air compressor 1.When the delivery pressure of air compressor 1 reaches the setting pressure of pressure regulating valve 3, pressure regulating valve 3 is connected, it outputs a control signal to blow off valve 2, this moment, blow off valve 2 was in on-state, the pressurized air that is stored in the drying in the regeneration air receiver 5 refluxes, the moisture that is trapped in the air dryer 4 is taken away, discharged through blow off valve 2, finish the regeneration function of air dryer.Have an obvious problem in the above-mentioned brake system principle: when brake system work frequent, when gas consumption is larger, the setting pressure that can cause the long-time out of reach pressure regulating valve 3 of delivery pressure of air compressor 1, pressure regulating valve 3 just can not be switched on like this, thereby blow off valve 2 just can exhaust yet, the moisture that is trapped in so in the air dryer 4 also just has no chance to be discharged from, after moisture is saturated in air dryer 4, will be brought in the follow-up brake system components and parts by high pressure draft, cause system's inefficacy of getting rusty, and then affected the safety of stroke.
For the problems referred to above, the utility model has carried out the specific aim improvement to existing brake system principle, as shown in Figure 2.Two-bit triplet pressure-gradient control valve 9 of access between regeneration air receiver 5 and air dryer 4, the control signal of described pressure-gradient control valve 9 derives from the output pressure of main brake valve 8.Draw an air pipe on the described regeneration air receiver 5 and link to each other with the admission port of pressure-gradient control valve 9, the air extractor duct of pressure-gradient control valve 9 is connected on the control mouth of dryer 4.The air extractor duct of described main brake valve 8 is drawn an air pipe and is linked to each other with the control mouth of pressure-gradient control valve 9.When main brake valve 8 is stepped on, its output pressure enters in the compressed air brake cylinder on the one hand, thereby finish the brake operating of vehicle, output on the other hand on the control interface of pressure-gradient control valve 9, pressure-gradient control valve 9 connections this moment, the pressurized air that comes from the air receiver 5 of regenerating flows to the control mouth of blow off valve 2 by the control mouth of air dryer 5 through pressure-gradient control valve 9, this moment, blow off valve 2 was in on-state, the pressurized air that is stored in the drying in the regeneration air receiver 5 refluxes, the moisture that is trapped in the air dryer 4 is taken away, discharge through blow off valve 2, finish the regeneration function of air dryer.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present utility model is described; but be not the restriction to the utility model protection domain; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection domain of the present utility model.
Claims (4)
1. Novel pressure brake system; comprise air compressor; air compressor connects air dryer; air dryer connects regeneration air receiver and four-loop protection valve simultaneously, and four-loop protection valve connects air receiver, and air receiver connects main brake valve; it is characterized in that; it also comprises pressure-gradient control valve, and this pressure-gradient control valve is electrically connected with main brake valve, and pressure-gradient control valve also is connected with air dryer with the regeneration air receiver simultaneously.
2. Novel pressure brake system as claimed in claim 1 is characterized in that, draws an air pipe on the described regeneration air receiver and links to each other with the admission port of pressure-gradient control valve, and the air extractor duct of pressure-gradient control valve is connected on the control mouth of dryer.
3. Novel pressure brake system as claimed in claim 1 is characterized in that, the air extractor duct of described main brake valve is drawn an air pipe and linked to each other with the control mouth of pressure-gradient control valve.
4. such as claim 1 or 2 or 3 described Novel pressure brake system, it is characterized in that, described pressure-gradient control valve is the two-bit triplet pressure-gradient control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417032 CN202753930U (en) | 2012-08-21 | 2012-08-21 | Novel air pressure braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220417032 CN202753930U (en) | 2012-08-21 | 2012-08-21 | Novel air pressure braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753930U true CN202753930U (en) | 2013-02-27 |
Family
ID=47733123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220417032 Expired - Fee Related CN202753930U (en) | 2012-08-21 | 2012-08-21 | Novel air pressure braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512669A (en) * | 2016-08-29 | 2017-03-22 | 浙江万安科技股份有限公司 | Electrically controlled dryer assembly with ECU (Electronic Control Unit) controller and control method |
| CN110696802A (en) * | 2019-11-12 | 2020-01-17 | 徐州徐工汽车制造有限公司 | Start-stop system and start-stop method of electric air compressor for new energy vehicle |
-
2012
- 2012-08-21 CN CN 201220417032 patent/CN202753930U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106512669A (en) * | 2016-08-29 | 2017-03-22 | 浙江万安科技股份有限公司 | Electrically controlled dryer assembly with ECU (Electronic Control Unit) controller and control method |
| CN106512669B (en) * | 2016-08-29 | 2022-11-01 | 浙江万安科技股份有限公司 | Electric control dryer assembly with ECU controller and control method |
| CN110696802A (en) * | 2019-11-12 | 2020-01-17 | 徐州徐工汽车制造有限公司 | Start-stop system and start-stop method of electric air compressor for new energy 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: 20130227 Termination date: 20160821 |