CN112124273B - Distribution control mechanism and method for compressed air for vehicle and vehicle - Google Patents
Distribution control mechanism and method for compressed air for vehicle and vehicle Download PDFInfo
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- CN112124273B CN112124273B CN202010984895.2A CN202010984895A CN112124273B CN 112124273 B CN112124273 B CN 112124273B CN 202010984895 A CN202010984895 A CN 202010984895A CN 112124273 B CN112124273 B CN 112124273B
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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
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/08—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for fluid
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a distribution control mechanism and a control method of compressed air for a vehicle and the vehicle, wherein the distribution control mechanism comprises a first valve and two second valves, the first valve comprises a first valve air inlet, a first valve air leakage opening, a first valve stop position and a first valve air outlet, the first valve air outlet is communicated with the first valve air inlet or the first valve air leakage opening or the first valve stop position, the second valves comprise a second valve air inlet, a second valve air outlet and a second valve stop position, the second valve air inlet is communicated with the second valve air outlet or the second valve stop position, the first valve air outlet is respectively communicated with the second valve air inlets of the two second valves through pipelines, pressure sensors are arranged on the pipelines, and the first valve, the second valve and the pressure sensors are electrically connected with a controller. According to the characteristic that two air using units of the automobile have air using requirements for compressed air in different time periods, the invention realizes real-time and on-demand control and distribution of the compressed air through simple and standard duty ratio valve and switch valve structures.
Description
Technical Field
The invention discloses a compressed air distribution control valve applied to the automobile industry, belongs to the technical field of automobile electromagnetic valve groups, and particularly discloses an automobile compressed air distribution control mechanism, a control method and an automobile.
Background
With the continuous development of science and technology, the compressed air technology for vehicles has been widely applied by various manufacturers. The common vehicle comprises an air supply unit and two air supply units once, the two air supply units have air supply requirements with different pressure and flow characteristics, therefore, in the prior art, the air supply control of each air supply unit is generally realized, two mutually independent pressure adjusting mechanisms and controllers are matched, the real-time and on-demand control of pressure and flow is realized, the controller units, the pressure adjusting structures and the pressure sensors are adopted, the hardware and the software have the technical problems of complex structure, high cost, independent calibration and verification of control parameters, incapability of reuse, long development period and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides a distribution control mechanism and a distribution control method of compressed air for a vehicle and the vehicle, which realize real-time and on-demand control and distribution of the compressed air through a simple and standard duty ratio valve and a switch valve structure according to the characteristic that two air using units of the vehicle have air using requirements of the compressed air in different periods.
The invention discloses a distribution control mechanism of compressed air for a vehicle, which comprises a first valve and two second valves, wherein the first valve comprises a first valve air inlet, a first valve air outlet, a first valve stopping position and a first valve air outlet, the first valve air outlet is communicated with the first valve air inlet or the first valve air outlet or the first valve stopping position, the second valves comprise a second valve air inlet, a second valve air outlet and a second valve stopping position, the second valve air inlet is communicated with the second valve air outlet or the second valve stopping position, the first valve air outlet is respectively communicated with the second valve air inlets of the two second valves through pipelines, pressure sensors are arranged on the pipelines, and the first valve, the second valve and the pressure sensors are electrically connected with a controller.
In a preferred embodiment of the invention, the pipe is a Y-pipe.
In a preferred embodiment of the present invention, the first valve bleed port is vented to atmosphere.
In a preferred embodiment of the invention, the first valve is a duty cycle valve.
In a preferred embodiment of the present invention, the second valve is an on-off valve.
The invention also discloses a control method of the distribution control mechanism of the compressed air for the vehicle, which uses the distribution control mechanism of the compressed air for the vehicle, and can convert the N Pa pressure input by the first valve into M Pa pressure and output the M Pa pressure by the second valve, wherein N is larger than M.
In a preferred embodiment of the present invention, the first valve outlet of the first valve is connected to the first valve inlet, the compressed air is fed into the pipeline, the second valve inlet of one of the two second valves is connected to the second valve outlet, the second valve inlet of the other second valve is connected to the second valve stop position, the pressure sensor monitors the pipeline pressure, the first valve outlet of the first valve is connected to the first valve air release port until the pipeline pressure reaches M, and the first valve outlet of the first valve is connected to the first valve stop position.
In a preferred embodiment of the invention, the first valve outlet of the first valve is connected to the first valve inlet or the first valve outlet a plurality of times until the line pressure reaches M.
The invention also discloses a vehicle which comprises the distribution control mechanism of the compressed air for the vehicle.
In a preferred embodiment of the present invention, the controller controls the first air inlet or the second air inlet of the two-position three-way solenoid valve to be communicated with the air outlet for a plurality of times.
The invention has the beneficial effects that: the invention has simple structure and convenient use, realizes the real-time and on-demand control and distribution of compressed air through the simple and standard structure of the duty ratio valve and the switch valve according to the characteristic that two air using units of an automobile have air using requirements of compressed air in different time periods, and has the advantages of simple control mode, cost, convenient spatial arrangement and the like compared with an air path system respectively matched with two sets of control units.
Drawings
In order to more clearly illustrate the technical solution in implementation, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are embodiments of the present invention, and those skilled in the art can also obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a schematic diagram of the air passages of a prior art compressed air distribution control mechanism for a vehicle;
in the figure: 1-duty cycle valve air inlet, 2-duty cycle valve air outlet, 3-duty cycle valve air outlet, 4-duty cycle valve stop position, 5-pressure sensor, 6-switching valve I air inlet, 7-switching valve II air inlet, 8-switching valve I air outlet, 9-switching valve stop position, 10-switching valve II air outlet, 11-switching valve II stop position, and 12-controller.
Detailed Description
The invention will now be described in further detail, including the preferred embodiments, with reference to the accompanying drawings, which illustrate some alternative embodiments of the invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention discloses a distribution control mechanism of compressed air for a vehicle, which is characterized in that: including first valve, two second valves, the first valve includes first valve air inlet, first valve disappointing mouth, first valve shutoff position and first valve gas outlet, first valve gas outlet with first valve air inlet or first valve disappointing mouth or first valve are by the position and are switched on, the second valve includes second valve air inlet, second valve gas outlet and second valve shutoff position, the second valve air inlet switches on with second valve gas outlet or second valve by the position, first valve gas outlet switches on in the second valve air inlet of two second valves respectively through the pipeline, be provided with pressure sensor on the pipeline, first valve the second valve pressure sensor all is connected in the controller electricity.
Preferably, the pipe is a Y-shaped pipe.
Preferably, the first valve bleed port is vented to atmosphere.
Preferably, the first valve is a duty cycle valve.
Preferably, the second valve is an on-off valve.
The invention also discloses a control method of the distribution control mechanism of the compressed air for the vehicle, which uses the distribution control mechanism of the compressed air for the vehicle, and can convert the N Pa pressure input by the first valve into M Pa pressure and output the M Pa pressure by the second valve, wherein N is larger than M.
Preferably, a first valve air outlet of the first valve is communicated with a first valve air inlet, compressed air is input into the pipeline, a second valve air inlet of one second valve of the two second valves is communicated with a second valve air outlet, a second valve air inlet of the other second valve is communicated with a second valve stop position, the pressure sensor monitors the pressure of the pipeline, a first valve air outlet of the first valve is communicated with a first valve air leakage opening until the pressure of the pipeline reaches M, and a first valve air outlet of the first valve is communicated with the first valve stop position.
Preferably, the first valve outlet of the first valve is communicated with the first valve inlet or the first valve outlet a plurality of times until the pipeline pressure reaches M.
The invention also discloses a vehicle which comprises the distribution control mechanism of the compressed air for the vehicle.
Preferably, the air supply unit is communicated with a first valve air inlet of the first valve, and the air supply unit is communicated with a second valve air outlet of the second valve.
An embodiment of the present invention will be explained in detail with reference to the accompanying drawings, wherein the first valve is a bit duty cycle valve and the second valve is a switching valve:
according to the instruction of a controller, when the two gas units do not have gas demand, the gas path outlet of the duty ratio valve is kept at the atmospheric vent 2, the first switch valve can be kept at the gas outlet 8 or the cut-off position 9 after the pressure of the first cylinder is ensured to be released to the atmospheric pressure, and the second switch valve can be kept at the cut-off position 11 or the gas outlet 10 after the pressure of the second cylinder is ensured to be released to the atmospheric pressure;
when the first gas using unit has a gas using requirement with specific pressure, the duty ratio valve adjusts the opening according to the pressure required by the first gas using unit and the actual gas pressure deviation measured by the pressure sensor 5, and the outlet of the gas path is adjusted to be firstly switched between the gas inlet 1 and the gas outlet 2 until the actual gas pressure reaches the set pressure, and then the duty ratio valve is kept at a stop position 4; an outlet of an air path of the switch valve is kept unchanged at the air outlet 8, compressed air reaches the first air using unit, and an outlet of an air path of the switch valve is also kept unchanged at a cut-off position 11;
when the second gas using unit has a gas using requirement with specific pressure, the duty ratio valve adjusts the opening according to the pressure required by the second gas using unit and the actual gas pressure deviation measured by the pressure sensor 5, and the outlet of the gas path is adjusted to be switched between the gas inlet 1 and the gas outlet 2 firstly until the actual gas pressure reaches the set pressure and then is stably kept at a stop position 4; an outlet of an air path of the switch valve is switched to the stop position 9, meanwhile, an air path of the switch valve is switched to an air outlet 10, and compressed air reaches the air using unit II.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and any modification, combination, replacement, or improvement made within the spirit and principle of the present invention is included in the scope of the present invention.
Claims (4)
1. A control method of a compressed air distribution control mechanism for a vehicle, characterized in that: the distribution control mechanism of the compressed air for the vehicle is used, and comprises a first valve and two second valves, wherein the first valve comprises a first valve air inlet, a first valve air leakage opening, a first valve stop position and a first valve air outlet, the first valve air outlet is communicated with the first valve air inlet or the first valve air leakage opening or the first valve stop position, the second valves comprise a second valve air inlet, a second valve air outlet and a second valve stop position, the second valve air inlet is communicated with the second valve air outlet or the second valve stop position, the first valve air outlet is respectively communicated with the second valve air inlets of the two second valves through pipelines, pressure sensors are arranged on the pipelines, and the first valve, the second valve and the pressure sensors are electrically connected with a controller; the first valve air leakage opening is communicated with the atmosphere, the first valve air leakage opening can convert the pressure N Pa input by the first valve into the pressure M Pa and output the pressure M Pa by the second valve, and N is greater than M; a first valve air outlet of the first valve is communicated with a first valve air inlet, compressed air is input into a pipeline, a second valve air inlet of one second valve in the two second valves is communicated with a second valve air outlet, a second valve air inlet of the other second valve is communicated with a second valve stop position, a pressure sensor monitors the pressure of the pipeline, a first valve air outlet of the first valve is communicated with a first valve air leakage opening until the pressure of the pipeline reaches M, and a first valve air outlet of the first valve is communicated with the first valve stop position; a first valve air outlet of the first valve is communicated with a first valve air inlet or a first valve air outlet for multiple times until the pressure of the pipeline reaches M; the first valve is a duty cycle valve; the second valve is an on-off valve;
according to the instruction of a controller, when two gas units do not have gas demand, the gas path outlet of the duty ratio valve is kept at the gas release port (2) of the duty ratio valve, the first switch valve can be kept at the first switch valve gas outlet (8) or the second switch valve stop position (9) after the pressure of the first cylinder is released to the atmospheric pressure, and the second switch valve can be kept at the second switch valve stop position (11) or the second switch valve gas outlet (10) after the pressure of the second cylinder is released to the atmospheric pressure;
when the first gas using unit has a gas using requirement with specific pressure, the opening degree of the duty ratio valve is adjusted according to the pressure required by the first gas using unit and the actual gas pressure deviation measured by the pressure sensor (5), the outlet of the adjusting gas circuit is firstly switched between the gas inlet (1) of the duty ratio valve and the gas outlet (2) of the duty ratio valve, and the duty ratio valve is kept at the duty ratio valve stopping position (4) until the actual gas pressure reaches the set pressure; an outlet of an air path of the switch valve is kept unchanged at an air outlet (8) of the first switch valve, compressed air reaches the first air using unit, and an outlet of a second air path of the switch valve is also kept unchanged at a cut-off position (11);
when the second gas using unit has a gas using requirement with specific pressure, the duty ratio valve adjusts the opening according to the pressure required by the second gas using unit and the actual gas pressure deviation measured by the pressure sensor (5), and the adjusting gas path outlet is firstly switched between the duty ratio valve gas inlet (1) and the duty ratio valve gas leakage opening (2) until the actual gas pressure reaches the set pressure and then is stably kept at the duty ratio valve stopping position (4); an outlet of an air path of the switch valve is switched to a stop position (9) of the switch valve, meanwhile, an air path of the switch valve is switched to an air outlet (10) of the switch valve, and compressed air reaches the air using unit II.
2. The control method of the compressed air distribution control mechanism for a vehicle according to claim 1, characterized in that: the pipeline is a Y-shaped pipeline.
3. A vehicle, characterized in that: a control method comprising the compressed air distribution control mechanism for a vehicle according to claim 1 or 2.
4. The vehicle according to claim 3, characterized in that: including an air feed unit and two air feed units, the air feed unit communicates with the first valve air inlet of first valve, use the second valve gas outlet UNICOM of air feed unit and second valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984895.2A CN112124273B (en) | 2020-09-18 | 2020-09-18 | Distribution control mechanism and method for compressed air for vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984895.2A CN112124273B (en) | 2020-09-18 | 2020-09-18 | Distribution control mechanism and method for compressed air for vehicle and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN112124273A CN112124273A (en) | 2020-12-25 |
| CN112124273B true CN112124273B (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010984895.2A Active CN112124273B (en) | 2020-09-18 | 2020-09-18 | Distribution control mechanism and method for compressed air for vehicle and vehicle |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9308900B2 (en) * | 2009-02-02 | 2016-04-12 | Honeywell International Inc. | Electric parking brake control system |
| US8725325B1 (en) * | 2010-12-10 | 2014-05-13 | Cybertran International Inc. | Method of controlling emergency braking in fixed guideway transportation system using dynamic block control |
| CN106915343B (en) * | 2017-04-13 | 2018-04-13 | 吉林大学 | Integrated pair master cylinder line traffic control brake fluid system |
| CN108501921B (en) * | 2018-05-04 | 2019-04-02 | 吉林大学 | A kind of hydraulic line control brake system and its brake control method with double pressure sources |
| CN111038469B (en) * | 2019-12-30 | 2021-10-29 | 潍柴动力股份有限公司 | Electronic parking system and method |
| CN111301378B (en) * | 2020-03-05 | 2024-01-26 | 吉林大学 | Controllable drive-by-wire braking system of simulation footboard sensation |
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- 2020-09-18 CN CN202010984895.2A patent/CN112124273B/en active Active
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