CN111994059A - Device for controlling compressed air distribution and use for vehicle through combination valve - Google Patents
Device for controlling compressed air distribution and use for vehicle through combination valve Download PDFInfo
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- CN111994059A CN111994059A CN202010876501.1A CN202010876501A CN111994059A CN 111994059 A CN111994059 A CN 111994059A CN 202010876501 A CN202010876501 A CN 202010876501A CN 111994059 A CN111994059 A CN 111994059A
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- valve
- duty ratio
- air
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- compressed air
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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
- B60T13/24—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
- B60T13/26—Compressed-air systems
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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
- 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
- B60T15/36—Other control devices or valves characterised by definite functions
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a device for controlling compressed air distribution and use of a vehicle through a combination valve, which comprises a compressed air inlet, a switch valve stop position, a duty ratio valve air inlet and a pressure sensor, wherein the output end of the compressed air inlet is connected with the input end of the switch valve stop position, the output end of the switch valve stop position is respectively connected with the input ends of a first air outlet and a second air outlet, the output ends of the first air outlet and the second air outlet are connected with the input end of the duty ratio valve air inlet, and the output end of the duty ratio valve air inlet is connected with the input end of the pressure sensor. This device that compressed air distributes and uses through combination valve control car does not need complicated mechanical structure, adopts simple two three way switch valve, duty ratio valve and check valve structure, realizes that only compressed air source satisfies the gas unit demand of two different time domains, different pressure, mutual noninterference. The automobile is suitable for automobiles.
Description
Technical Field
The invention relates to the technical field of automobile industry, in particular to a device for controlling compressed air distribution and use for an automobile through a combination valve.
Background
Along with the popularization of vehicle, automobile brake system also is paid attention gradually, and automobile brake system adopts two mutually independent pressure adjustment mechanism and controller respectively according to the gas demand of the different pressure of two gas units, flow characteristic, realizes the real-time, the on-demand control of pressure, flow, but the device that compressed air distribution used for current system still has certain defect, just for example:
the air supply control of each air supply unit of the existing compressed air distribution and use device for the vehicle manufacturing needs to be matched with a controller unit, a pressure regulating structure and a pressure sensor, the hardware and software structure is complex, the cost is high, control parameters need to be calibrated and verified independently, the reuse is impossible, the development period is long, and further certain use defects exist.
In order to solve the problems, innovative design is urgently needed on the basis of the original combined valve structure.
Disclosure of Invention
The invention aims to provide a device for controlling compressed air distribution and use of a vehicle through a combination valve, so as to solve the problems that the air supply control of each air using unit in the background art needs to be matched with a controller unit, a pressure regulating structure and a pressure sensor, the hardware and software structure is complex, the cost is high, the control parameters need to be calibrated and verified independently, the control parameters cannot be reused, and the development period is long.
In order to achieve the purpose, the invention provides the following technical scheme: a device for controlling compressed air distribution and use for a vehicle through a combination valve comprises a compressed air inlet, a switch valve stop position, a duty ratio valve air inlet and a pressure sensor, wherein the output end of the compressed air inlet is connected with the input end of the switch valve stop position, and the output end of the cut-off position of the switch valve is respectively connected with the input ends of the first air outlet and the second air outlet, the output ends of the first air outlet and the second air outlet are connected with the input end of the air inlet of the duty ratio valve, the output end of the air inlet of the duty ratio valve is connected with the input end of the pressure sensor, the output end of the first air outlet is connected with the input end of the first one-way valve, and the output end of the first one-way valve is connected with the input end of the air inlet of the duty ratio valve, the output end of the second air outlet is connected with the input end of the second one-way valve, and the output end of the second one-way valve is connected with the input end of the air inlet of the duty ratio valve.
Preferably, the output end of the compressed air inlet is respectively connected with the input ends of the switch valve stop position, the first air outlet and the second air outlet.
Preferably, the first air outlet and the input end of the first one-way valve are both connected with the output end of the first air using unit.
Preferably, the second air outlet and the input end of the second one-way valve are both connected with the output end of the second air using unit.
Preferably, the stop position of the switch valve, the first air outlet and the second air outlet are combined into a two-position three-way switch valve device.
Preferably, the air inlet of the air ratio valve is provided with a duty ratio valve stop position and a duty ratio valve air release hole, the output end of the air inlet of the air ratio valve is connected with the input end of the duty ratio valve stop position, and the output end of the duty ratio valve stop position is connected with the input end of the duty ratio valve air release hole.
Preferably, the input ends of the duty ratio valve cut-off position and the duty ratio valve air release hole are respectively connected with the output end of the air inlet of the duty ratio valve, and the duty ratio valve cut-off position and the duty ratio valve air release hole form a duty ratio valve device.
Preferably, a parallel butt joint structure is arranged between the first one-way valve and the second one-way valve, and the input ends of the first one-way valve and the second one-way valve are mutually staggered.
Compared with the prior art, the invention has the beneficial effects that: the device for controlling the distribution and use of the compressed air for the vehicle through the combination valve;
1. the air supply unit does not need a complex mechanical structure, and realizes that the only compressed air source meets the requirements of air supply units with two different time domains and different pressures without mutual interference by adopting a simple two-position three-way switch valve, a duty ratio valve and a one-way valve structure;
2. according to the characteristic that two air using units of an automobile have air using requirements for compressed air in different time periods, the compressed air is controlled and distributed in real time according to requirements through a simple and standard two-position three-way switch valve, a duty ratio valve and a one-way valve structure;
3. the compressed air is distributed and controlled according to the command of the automobile controller, so that the air using requirements of two air using units with different pressures are met, and the device designed by the method is flexible in arrangement, simple in control logic and low in manufacturing cost.
Drawings
FIG. 1 is a schematic illustration of the mode of operation of the invention without an air unit;
FIG. 2 is a schematic view of an operation mode of the gas using unit according to the present invention;
fig. 3 is a schematic view of the second working mode of the gas unit of the present invention.
In the figure: 1. a compressed air inlet; 2. a first air outlet; 3. a second air outlet; 4. a switch valve cut-off position; 5. a duty cycle valve inlet; 6. a duty cycle valve cut-off position; 7. a duty cycle valve bleed hole; 8. a pressure sensor; 9. a first check valve; 10. a second one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a device for controlling compressed air distribution and use for a vehicle through a combination valve comprises a compressed air inlet 1, a first air outlet 2, a second air outlet 3, a switch valve stop position 4, a duty ratio valve air inlet 5, a duty ratio valve stop position 6, a duty ratio valve air leakage hole 7, a pressure sensor 8, a first one-way valve 9 and a second one-way valve 10, wherein the output end of the compressed air inlet 1 is connected with the input end of the switch valve stop position 4, the output end of the switch valve stop position 4 is respectively connected with the input ends of the first air outlet 2 and the second air outlet 3, the output ends of the first air outlet 2 and the second air outlet 3 are connected with the input end of the duty ratio valve air inlet 5, the output end of the duty ratio valve air inlet 5 is connected with the input end of the pressure sensor 8, the output end of the first air outlet 2 is connected with the input end of the first one-way valve 9, and the output end of the first, the output end of the second air outlet 3 is connected with the input end of a second one-way valve 10, and the output end of the second one-way valve 10 is connected with the input end of the duty ratio valve air inlet 5.
The output end of the compressed air inlet 1 is respectively connected with the input ends of the switch valve stop position 4, the first air outlet 2 and the second air outlet 3, the input ends of the first air outlet 2 and the first one-way valve 9 are respectively connected with the output end of the first air using unit, the input ends of the second air outlet 3 and the second one-way valve 10 are respectively connected with the output end of the second air using unit, and the adjustment and connection work can be stably carried out according to requirements through two groups of air using units with different butt joint positions;
the two-position three-way switch valve device is formed by combining the switch valve stop position 4, the first air outlet 2 and the second air outlet 3, and a two-position three-way switch structure can be conveniently carried out through three different switch-on structures of the switch valve stop position 4, the first air outlet 2 and the second air outlet 3;
the duty ratio valve air inlet 5 is provided with a duty ratio valve stop position 6 and a duty ratio valve air leakage hole 7, the output end of the duty ratio valve air inlet 5 is connected with the input end of the duty ratio valve stop position 6, the output end of the duty ratio valve stop position 6 is connected with the input end of the duty ratio valve air leakage hole 7, the input ends of the duty ratio valve stop position 6 and the duty ratio valve air leakage hole 7 are respectively connected with the output end of the duty ratio valve air inlet 5, the duty ratio valve stop position 6 and the duty ratio valve air leakage hole 7 form a duty ratio valve device, and the output end of the duty ratio valve air inlet 5 can be stably regulated according to requirements through the duty ratio valve stop position 6 and the duty ratio valve air leakage hole 7 which;
the first check valve 9 and the second check valve 10 are in a parallel butt joint structure, the input ends of the first check valve 9 and the second check valve 10 are mutually staggered, and the bad phenomenon that the air flow conveying is wrong is avoided through the staggered first check valve 9 and the staggered second check valve 10.
The working principle is as follows: when the device for controlling the distribution and use of the compressed air for the vehicle through the combination valve is used, according to the figures 1-3 and according to the control instruction of the vehicle, when the two air using units have no air using requirement, the air path outlet of the switch valve is arranged at the cut-off position 4 of the switch valve, and meanwhile, the air path outlet of the duty ratio valve is kept at the cut-off position 6 of the duty ratio valve.
When the first gas using unit has a gas using requirement of specific pressure, the outlet of the gas path of the switch valve is switched to the first gas outlet 2, compressed air reaches the first gas using unit communicated with the first gas outlet 2 of the switch valve from the compressed air inlet 1, the opening degree of the duty ratio valve is adjusted according to the set pressure and the actual gas pressure deviation measured by the pressure sensor 8 until the actual gas pressure is equal to the specific pressure, and then the second check valve 10 ensures that input gas flow cannot flow to the second gas using unit.
When the gas unit II has a gas demand of specific pressure, the outlet of the gas circuit of the switch valve is switched to the second gas outlet 3, compressed air reaches the gas unit II communicated with the second gas outlet 3 of the switch valve from the compressed air inlet 1, the opening degree of the duty ratio valve is adjusted according to the set pressure and the actual air pressure deviation measured by the pressure sensor 8 until the actual air pressure is equal to the specific pressure, the first check valve 9 ensures that input air flow cannot circulate to the gas unit I, and the overall practicability is improved.
Those not described in detail in this specification are within the skill of the art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A device for controlling compressed air distribution and use of a vehicle through a combination valve comprises a compressed air inlet (1), a switch valve stop position (4), a duty ratio valve air inlet (5) and a pressure sensor (8), and is characterized in that: the output end of the compressed air inlet (1) is connected with the input end of a switch valve cut-off position (4), and the output end of the stop position (4) of the switch valve is respectively connected with the input ends of the first air outlet (2) and the second air outlet (3), the output ends of the first air outlet (2) and the second air outlet (3) are connected with the input end of the duty ratio valve air inlet (5), and the output end of the duty ratio valve air inlet (5) is connected with the input end of the pressure sensor (8), the output end of the first air outlet (2) is connected with the input end of a first one-way valve (9), and the output end of the first one-way valve (9) is connected with the input end of the duty ratio valve air inlet (5), the output end of the second air outlet (3) is connected with the input end of a second one-way valve (10), and the output end of the second one-way valve (10) is connected with the input end of the duty ratio valve air inlet (5).
2. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: the output end of the compressed air inlet (1) is respectively connected with the input ends of the switch valve stopping position (4), the first air outlet (2) and the second air outlet (3).
3. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: the input ends of the first air outlet (2) and the first one-way valve (9) are connected with the output end of the first air using unit.
4. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: and the input ends of the second air outlet (3) and the second one-way valve (10) are connected with the output end of the second air using unit.
5. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: and the switch valve stopping position (4), the first air outlet (2) and the second air outlet (3) are combined into a two-position three-way switch valve device.
6. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: the duty ratio valve air inlet (5) is provided with a duty ratio valve stopping position (6) and a duty ratio valve air leakage hole (7), the output end of the duty ratio valve air inlet (5) is connected with the input end of the duty ratio valve stopping position (6), and the output end of the duty ratio valve stopping position (6) is connected with the input end of the duty ratio valve air leakage hole (7).
7. The apparatus for controlling compressed air distribution and use for vehicles by a combination valve as set forth in claim 6, wherein: the input ends of the duty ratio valve cut-off position (6) and the duty ratio valve air leakage hole (7) are respectively connected with the output end of the air inlet (5) of the duty ratio valve, and the duty ratio valve cut-off position (6) and the duty ratio valve air leakage hole (7) form a duty ratio valve device.
8. A device for controlling compressed air distribution for vehicles through a combination valve as claimed in claim 1, wherein: the first check valve (9) and the second check valve (10) are in a parallel butt joint structure, and the input ends of the first check valve (9) and the second check valve (10) are mutually staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876501.1A CN111994059A (en) | 2020-08-27 | 2020-08-27 | Device for controlling compressed air distribution and use for vehicle through combination valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876501.1A CN111994059A (en) | 2020-08-27 | 2020-08-27 | Device for controlling compressed air distribution and use for vehicle through combination valve |
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| Publication Number | Publication Date |
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| CN111994059A true CN111994059A (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010876501.1A Pending CN111994059A (en) | 2020-08-27 | 2020-08-27 | Device for controlling compressed air distribution and use for vehicle through combination valve |
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| CN (1) | CN111994059A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2293635A (en) * | 1994-09-27 | 1996-04-03 | Nippon Denso Co | An anti-skid braking system |
| CN102442286A (en) * | 2011-12-12 | 2012-05-09 | 江苏技术师范学院 | Energy regeneration device of drive-by-wire braking system and control method of braking system |
| CN104192114A (en) * | 2014-08-25 | 2014-12-10 | 北京理工大学 | Electrically controlled pneumatic braking system of vehicle |
| CN206860567U (en) * | 2017-06-06 | 2018-01-09 | 吉林大学 | A kind of loading machine joint energy supply hydraulic system |
| CN207830992U (en) * | 2018-01-27 | 2018-09-07 | 浙江山海机械有限公司 | A kind of test compressed air recycling system |
-
2020
- 2020-08-27 CN CN202010876501.1A patent/CN111994059A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2293635A (en) * | 1994-09-27 | 1996-04-03 | Nippon Denso Co | An anti-skid braking system |
| CN102442286A (en) * | 2011-12-12 | 2012-05-09 | 江苏技术师范学院 | Energy regeneration device of drive-by-wire braking system and control method of braking system |
| CN104192114A (en) * | 2014-08-25 | 2014-12-10 | 北京理工大学 | Electrically controlled pneumatic braking system of vehicle |
| CN206860567U (en) * | 2017-06-06 | 2018-01-09 | 吉林大学 | A kind of loading machine joint energy supply hydraulic system |
| CN207830992U (en) * | 2018-01-27 | 2018-09-07 | 浙江山海机械有限公司 | A kind of test compressed air recycling system |
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Application publication date: 20201127 |
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