CN112160890B - Electromagnetic valve set for distributing compressed air for vehicle, control method and vehicle - Google Patents
Electromagnetic valve set for distributing compressed air for vehicle, control method and vehicle Download PDFInfo
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- CN112160890B CN112160890B CN202010986568.0A CN202010986568A CN112160890B CN 112160890 B CN112160890 B CN 112160890B CN 202010986568 A CN202010986568 A CN 202010986568A CN 112160890 B CN112160890 B CN 112160890B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 230000001276 controlling effect Effects 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses an electromagnetic valve group for distributing compressed air for a vehicle, a control method and the vehicle, wherein the electromagnetic valve group comprises a compressed air inlet, a first compressed air outlet and a second compressed air outlet, the compressed air inlet is communicated with the first compressed air outlet through a first pipeline, the compressed air inlet is communicated with the second compressed air outlet through a second pipeline, a first valve capable of being opened and closed is connected in series on the first pipeline, a second valve capable of being opened and closed is connected in series on the second pipeline, a pressure monitoring valve group and a pressure adjusting valve group are connected between the first pipeline and the second pipeline, and the pressure adjusting valve group, the first valve and the second valve 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 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.
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 sets, and particularly discloses an electromagnetic valve set used for distributing automobile compressed air, 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 an electromagnetic valve group for distributing compressed air for a vehicle, a control method and a vehicle.
The invention discloses an electromagnetic valve bank for distributing compressed air for a vehicle, which comprises a compressed air inlet, a first compressed air outlet and a second compressed air outlet, wherein the compressed air inlet and the first compressed air outlet are communicated through a first pipeline, the compressed air inlet and the second compressed air outlet are communicated through a second pipeline, a first valve capable of being opened and closed is connected in series on the first pipeline, a second valve capable of being opened and closed is connected in series on the second pipeline, a pressure monitoring valve bank for monitoring the pressure of the first pipeline and the pressure of the second pipeline and a pressure adjusting valve bank for adjusting the pressure of the first pipeline and the pressure of the second pipeline are connected between the first pipeline and the second pipeline, and the pressure adjusting valve bank, the first valve and the second valve are electrically connected with a controller.
In a preferred embodiment of the present invention, the pressure monitoring valve set includes a third pipeline connected between the first pipeline and the second pipeline, a first check valve and a second check valve are connected in series on the third pipeline, a cut-off end of the first check valve and a cut-off end of the second check valve are arranged oppositely, and a pressure sensor is connected on the pipeline between the first check valve and the second check valve.
In a preferred embodiment of the present invention, the pressure regulating valve set is a two-position three-way electromagnetic valve, a first air inlet of the two-position three-way electromagnetic valve is communicated with the first pipeline, a second air inlet of the two-position three-way electromagnetic valve is communicated with the second pipeline, an air outlet of the two-position three-way electromagnetic valve is communicated with the atmosphere, and the first air inlet or the second air inlet is communicated with the air outlet.
In a preferred embodiment of the invention, the first valve is a duty cycle valve or a solenoid valve or a switching valve.
In a preferred embodiment of the invention, the second valve is a duty cycle valve or a solenoid valve or an on-off valve.
The invention also discloses a control method of the electromagnetic valve bank for distributing the compressed air for the vehicle, which uses the electromagnetic valve bank for distributing the compressed air for the vehicle, and can convert the N Pa pressure input by the compressed air inlet into the M Pa pressure through the electromagnetic valve bank and output the M Pa pressure by the first compressed air outlet or the second compressed air outlet, wherein N is more than M.
In a preferred embodiment of the present invention, when compressed air is required to be input from the compressed air inlet and output from the first compressed air outlet, the steps are as follows: step 1, conducting a first valve, stopping a second valve, conducting a second air inlet and an air outlet of a two-position three-way electromagnetic valve, monitoring a first pipeline pressure by a pressure sensor, and step 2, controlling the two-position three-way electromagnetic valve to work and deflate by a controller until the first pipeline pressure is Mpa; and 3, controlling the two-position three-way electromagnetic valve to be switched to a second air inlet to be communicated with the air outlet by the controller, and controlling the first valve to be cut off by the controller.
In a preferred embodiment of the present invention, when compressed air is required to be input from the compressed air inlet and output from the second compressed air outlet, the steps are as follows: step 1, a first valve is closed, a second valve is opened, a first air inlet and an air outlet of a two-position three-way electromagnetic valve are opened, a pressure sensor monitors the pressure of a second pipeline, and step 2, a controller controls the two-position three-way electromagnetic valve to work and deflate until the pressure of the first pipeline is Mpa; and 3, controlling the two-position three-way electromagnetic valve to be switched to the first air inlet to be communicated with the air outlet by the controller, and controlling the second valve to be cut off by the controller.
In a preferred embodiment of the invention, the controller controls the first air inlet or the second air inlet of the two-position three-way electromagnetic valve to be communicated with the air outlet for multiple times.
The invention also discloses a vehicle which comprises an air supply unit and two air use units, wherein the air supply unit and the air use units are in conduction connection through the electromagnetic valve group used for distributing the compressed air for the vehicle.
The invention has the beneficial effects that: the invention has simple structure and convenient use, realizes real-time and on-demand control and distribution of compressed air through simple and standard structures of the two-position three-way switch valve, the duty ratio valve and the one-way valve according to the characteristic that two air using units of an automobile have air using requirements of the compressed air at different time intervals, and has the advantages of simple control mode, local cost, convenient spatial arrangement and the like compared with an air path system which is 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 paths of a solenoid valve set for distributing compressed air for a vehicle in the prior art;
in the figure: 1-a compressed air inlet; 2-a first compressed air outlet; 3-a second compressed air outlet; 4-a first pipeline; 5-a second pipeline; 6-a first valve; 7-a second valve; 8-a pressure monitoring valve group; 9-a pressure regulating valve group; 10-a controller; 8.1-a third conduit; 8.2-a first one-way valve; 8.3-second one-way valve; 8.4-pressure sensor; 9.1-two-position three-way electromagnetic valve; 9.2 — first gas inlet; 9.3-a second gas inlet; 9.4-air outlet.
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 an electromagnetic valve group for distributing compressed air for a vehicle, which comprises a compressed air inlet 1, a first compressed air outlet 2 and a second compressed air outlet 3, wherein the compressed air inlet 1 is communicated with the first compressed air outlet 2 through a first pipeline 4, the compressed air inlet 1 is communicated with the second compressed air outlet 3 through a second pipeline 5, the first pipeline 4 is connected with the second pipeline 5 in parallel, a first valve 6 which can be opened and closed is connected on the first pipeline 4 in series, a second valve 7 which can be opened and closed is connected on the second pipeline 5 in series, a pressure monitoring valve group 8 for monitoring the pressure of the first pipeline 4 and the pressure of the second pipeline 5, a pressure adjusting valve group 9 for adjusting the pressure of the first pipeline 4 and the pressure of the second pipeline 5 and a pressure adjusting valve group 9, the pressure regulating valve group 9, the first valve 6 and the second valve 7 are all electrically connected with a controller 10.
Preferably, the pressure monitoring valve group 8 comprises a third pipeline 8.1 connected between the first pipeline 4 and the second pipeline 5, a first check valve 8.2 and a second check valve 8.3 are connected in series on the third pipeline 8.1, a cut-off end of the first check valve 8.2 and a cut-off end of the second check valve 8.3 are arranged oppositely, and a pressure sensor 8.4 is connected on a pipeline between the first check valve 8.2 and the second check valve 8.3.
Preferably, the pressure regulating valve group 9 is a two-position three-way electromagnetic valve 9.1, a first air inlet 9.2 of the two-position three-way electromagnetic valve 9.1 is communicated with the first pipeline 4, a second air inlet 9.3 of the two-position three-way electromagnetic valve 9.1 is communicated with the second pipeline 5, an air outlet 9.4 of the two-position three-way electromagnetic valve 9.1 is communicated with the atmosphere, and the first air inlet 9.2 or the second air inlet 9.3 is communicated with the air outlet 9.4.
Preferably, the first valve 6 is a duty cycle valve or a solenoid valve or a switching valve.
Preferably, the second valve 7 is a duty cycle valve or a solenoid valve or a switching valve.
The invention also discloses a control method of the electromagnetic valve bank for distributing the compressed air for the vehicle, which uses the electromagnetic valve bank for distributing the compressed air for the vehicle, and can convert the N Pa pressure input from the compressed air inlet 1 into the M Pa pressure through the electromagnetic valve bank and output the M Pa pressure from the first compressed air outlet 2 or the second compressed air outlet 3, wherein N is more than M.
Preferably, when compressed air needs to be input from the compressed air inlet 1 and output from the first compressed air outlet 2, the steps are as follows: step 1, a first valve 6 is conducted, a second valve 7 is cut off, a second air inlet 9.3 and an air outlet 9.4 of a two-position three-way electromagnetic valve 9.1 are conducted, a pressure sensor 8.4 monitors the pressure of a first pipeline 4, and step 2, a controller 10 controls the two-position three-way electromagnetic valve 9.1 to work and deflate until the pressure of the first pipeline 4 is Mpa; and 3, controlling the two-position three-way electromagnetic valve 9.1 to be switched to the second air inlet 9.3 to be communicated with the air outlet 9.4 by the controller 10, and controlling the first valve 6 to be cut off by the controller 10.
Preferably, when compressed air needs to be input from the compressed air inlet 1 and output from the second compressed air outlet 3, the steps are as follows: step 1, a first valve 6 is closed, a second valve 7 is communicated, a first air inlet 9.2 and an air outlet 9.4 of a two-position three-way electromagnetic valve 9.1 are communicated, a pressure sensor 8.4 monitors the pressure of a second pipeline 5, and in step 2, a controller 10 controls the two-position three-way electromagnetic valve 9.1 to work and deflate until the pressure of the first pipeline 4 is Mpa; and step 3, the controller 10 controls the two-position three-way electromagnetic valve 9.1 to be switched to the first air inlet 9.2 to be communicated with the air outlet 9.4, and the controller 10 controls the second valve 7 to be cut off.
Preferably, the controller 10 controls the first air inlet 9.2 or the second air inlet 9.3 of the two-position three-way electromagnetic valve 9.1 to be repeatedly communicated with the air outlet 9.4 for multiple times, so that the air discharge amount is accurate.
The invention also discloses a vehicle which comprises an air supply unit and two air use units, wherein the air supply unit and the air use units are in conduction connection through the electromagnetic valve bank for distributing the compressed air for the vehicle. According to the automobile control command, when neither air utilization unit needs air, the first valve 6 and the second valve 7 are in the closed positions. When the first gas unit (the first pipeline 4) has a gas use requirement of a specific pressure, the first valve 6 is opened (the second valve 7 is still kept closed), the gas path inlet of the two-position three-way electromagnetic valve 9.1 is switched to the second gas inlet 9.3, the residual gas flow of the second gas unit loop is discharged to the atmosphere through the gas outlet 9.4, and meanwhile, the second gas inlet 9.3 and the gas outlet 9.4 of the first gas unit loop are ensured to be not communicated. Compressed air reaches the first air using unit from the inlet through the first pipeline 4, the opening degree of the first valve 6 is adjusted according to the set pressure and the actual air pressure deviation measured by the pressure sensor 8.4 until the actual air pressure is equal to the set pressure, and then the actual air pressure is kept, and the second check valve 8.3 and the second valve 7 ensure that input air flow cannot flow to the second air using unit. When the second gas using unit has the gas using requirement of specific pressure, the situation is opposite to the above process.
It should be understood by those skilled in the art that the above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and any modification, combination, replacement, improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (5)
1. A control method of an electromagnetic valve bank used for distributing compressed air for a vehicle is characterized by comprising the following steps: the device comprises a compressed air inlet, a first compressed air outlet and a second compressed air outlet, wherein the compressed air inlet is communicated with the first compressed air outlet through a first pipeline, the compressed air inlet is communicated with the second compressed air outlet through a second pipeline, a first valve capable of being opened and closed is connected in series on the first pipeline, a second valve capable of being opened and closed is connected in series on the second pipeline, a pressure monitoring valve bank for monitoring the pressure of the first pipeline and the pressure of the second pipeline and a pressure adjusting valve bank for adjusting the pressure of the first pipeline and the pressure of the second pipeline are connected between the first pipeline and the second pipeline, and the pressure adjusting valve bank, the first valve and the second valve are all electrically connected with a controller; the pressure monitoring valve group comprises a third pipeline connected between the first pipeline and the second pipeline, a first one-way valve and a second one-way valve are connected on the third pipeline in series, the cut-off end of the first one-way valve is arranged opposite to the cut-off end of the second one-way valve, and a pressure sensor is connected on the pipeline between the first one-way valve and the second one-way valve; the pressure adjusting valve group is a two-position three-way electromagnetic valve, a first air inlet of the two-position three-way electromagnetic valve is communicated with a first pipeline, a second air inlet of the two-position three-way electromagnetic valve is communicated with a second pipeline, an air outlet of the two-position three-way electromagnetic valve is communicated with the atmosphere, the first air inlet or the second air inlet is communicated with the air outlet, N Pa pressure input from a compressed air inlet can be converted into M Pa pressure through the electromagnetic valve group and output from a first compressed air outlet or a second compressed air outlet, and N is larger than M;
when compressed air needs to be input from the compressed air inlet and output from the first compressed air outlet, the steps are as follows: step 1, conducting a first valve, stopping a second valve, conducting a second air inlet and an air outlet of a two-position three-way electromagnetic valve, monitoring a first pipeline pressure by a pressure sensor, and step 2, controlling the two-position three-way electromagnetic valve to work and deflate by a controller until the first pipeline pressure is Mpa; step 3, the controller controls the two-position three-way electromagnetic valve to be switched to a second air inlet to be communicated with the air outlet, and the controller controls the first valve to be cut off;
when compressed air needs to be input from the compressed air inlet and output from the second compressed air outlet, the steps are as follows: step 1, a first valve is closed, a second valve is conducted, a first air inlet and an air outlet of a two-position three-way electromagnetic valve are conducted, a pressure sensor monitors the pressure of a second pipeline, and step 2, a controller controls the two-position three-way electromagnetic valve to work and deflate until the pressure of the first pipeline is Mpa; and 3, controlling the two-position three-way electromagnetic valve to be switched to the first air inlet to be communicated with the air outlet by the controller, and controlling the second valve to be cut off by the controller.
2. The control method of the solenoid valve block for compressed air distribution for vehicles according to claim 1, wherein: the controller controls the first air inlet or the second air inlet of the two-position three-way electromagnetic valve to be communicated with the air outlet for multiple times.
3. The control method of the solenoid valve block for compressed air distribution for vehicles according to claim 1, wherein: the first valve is a duty ratio valve or an electromagnetic valve or a switch valve.
4. The control method of the solenoid valve block for compressed air distribution for vehicles according to claim 1, wherein: the second valve is a duty ratio valve or an electromagnetic valve or a switch valve.
5. A vehicle comprising an air supply unit and two air supply units, characterized in that: the air supply unit and the air use unit are in conductive connection through a control method of the electromagnetic valve bank for distributing the compressed air for the vehicle according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986568.0A CN112160890B (en) | 2020-09-18 | 2020-09-18 | Electromagnetic valve set for distributing compressed air for vehicle, control method and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010986568.0A CN112160890B (en) | 2020-09-18 | 2020-09-18 | Electromagnetic valve set for distributing compressed air for vehicle, control method and vehicle |
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| Publication Number | Publication Date |
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| CN112160890A CN112160890A (en) | 2021-01-01 |
| CN112160890B true CN112160890B (en) | 2022-08-19 |
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| CN202010986568.0A Active CN112160890B (en) | 2020-09-18 | 2020-09-18 | Electromagnetic valve set for distributing compressed air for vehicle, control method and vehicle |
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| CN114017490B (en) * | 2021-10-13 | 2023-06-30 | 岚图汽车科技有限公司 | Transmission thermal management control method and system and electronic equipment |
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| CN112160890A (en) | 2021-01-01 |
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