CN106134412B - Long-range controlled stepless decompression valve - Google Patents
Long-range controlled stepless decompression valveInfo
- Publication number
- CN106134412B CN106134412B CN201110011731.2A CN201110011731A CN106134412B CN 106134412 B CN106134412 B CN 106134412B CN 201110011731 A CN201110011731 A CN 201110011731A CN 106134412 B CN106134412 B CN 106134412B
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- pressure
- valve
- electromagnetic valve
- main road
- reducing valve
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Abstract
The invention discloses a kind of long-range controlled stepless decompression valve, on the pneumatically loading chamber of main road pressure-reducing valve, air inlet electromagnetic valve and pressure-releasing electromagnetic valve are housed, air inlet electromagnetic valve and pressure-releasing electromagnetic valve are 2/2-way structure; Air inlet electromagnetic valve import is communicated with controls the outlet of gas circuit pressure-reducing valve, and outlet is communicated with the pneumatically loading chamber of main road pressure-reducing valve; Pressure-releasing electromagnetic valve import is communicated with the pneumatically loading chamber of main road pressure-reducing valve, and outlet is communicated with external environment; Pressure sensor gathers the pressure signal of main road pressure-reducing valve outlet pressure signal and main road pressure-reducing valve LOADED CAVITY, as the input signal of controller; The output signal of controller is step pulse signal, offers air inlet electromagnetic valve and pressure-releasing electromagnetic valve as power-on signal, controls the import of gas circuit pressure-reducing valve and is connected with the import of main road pressure-reducing valve, and outlet is connected with air inlet electromagnetic valve import. The present invention is particularly suitable for being applied in spacecraft propulsion system pressure and regulates field.
Description
Technical field
The present invention relates to a kind of decompression valve, especially one can be carried out long-range to export pressureThe decompression valve of step-less adjustment.
Background technology
Decompression valve is the important pressure regulatory element of air-path control system, at present, existing on marketLong-range adjustable pressure-reducing valve is all to control by stepper motor or other motor, the spool of control valveAperture, to reach decompression and the object of voltage stabilizing, still because stepper motor or other motor are its keysPart, the consequence of therefore bringing is that structure is large, quality heavy, precision is low, control method complexity, noCan be applied to and volume, the stricter gas circuit pressure of quality requirement be regulated as spacecraft propulsion system etc.In system, as throttleable motor of variable constant pressure etc.
Therefore, need a kind of novel decompression adjustment structure to solve the problems referred to above, do not find at present classLike technical descriptioon or the report of long-range controllable decompression control valve of the present invention, also not yet collect domestic and international classLike data.
Summary of the invention
Technical problem to be solved by this invention is to propose one and can carries out long-range to export pressureThe decompression valve of step-less adjustment, is intended to realize decompression valve long-range controlled, and according to control instruction,Regulate in real time the outlet pressure of decompression valve, to meet the requirements of pressure index.
The present invention is that the technical scheme that its technical problem of solution adopts is: a kind of long-range controlled stepless decompressionControl valve, comprises main road pressure-reducing valve, controls gas circuit pressure-reducing valve, air inlet electromagnetic valve, pressure-releasing electromagnetic valve, controlDevice processed and pressure sensor, be equipped with air inlet electromagnetic valve and venting electromagnetism on the pneumatically loading chamber of main road pressure-reducing valveValve, air inlet electromagnetic valve and pressure-releasing electromagnetic valve are 2/2-way structure, and air inlet electromagnetic valve import is communicated with to be controlledThe outlet of gas circuit pressure-reducing valve, outlet is communicated with the pneumatically loading chamber of main road pressure-reducing valve; Pressure-releasing electromagnetic valve import is communicated withThe pneumatically loading chamber of main road pressure-reducing valve, outlet is communicated with external environment; Pressure sensor gathers main road pressure-reducing valveThe pressure signal of outlet pressure signal and main road pressure-reducing valve LOADED CAVITY, as the input signal of controller; ControlThe output signal of device processed is step pulse signal, offers air inlet electromagnetic valve and pressure-releasing electromagnetic valve as unlatchingPower supply signal; Control the import of gas circuit pressure-reducing valve and be connected with the import of main road pressure-reducing valve, outlet and air inlet electromagnetic valveImport is connected.
In the present invention, main road pressure-reducing valve pneumatically loading chamber assembly has two Minitype electromagnetic valves, i.e. air inlet electromagnetismValve and pressure-releasing electromagnetic valve, pressure-reducing valve benchmark regulates power to adjust by air inlet electromagnetic valve and pressure-releasing electromagnetic valve exactlyJoint, air inlet electromagnetic valve is opened, and pneumatically loading cavity pressure raises, and main road pressure-reducing valve export pressure raises;Pressure-releasing electromagnetic valve is opened, and pneumatically loading cavity pressure declines, main road pressure-reducing valve export pressure decreased.
In the present invention, controlling gas circuit pressure-reducing valve for pneumatically loading chamber provides constant pressure, is controller minimizingInput control signal, be convenient to control.
In the present invention, controller input signal is export pressure and the LOADED CAVITY benchmark of main road pressure-reducing valvePressure, by comparing with the pressure of remote setting, passing ratio integration control is entered, pressure-releasing electromagnetic valve,Carry out the step-less adjustment of pneumatically loading cavity pressure.
Compared with prior art, the present invention have following innovation with and outstanding progress: the adjusting that (1) is advancedPressure principle, novel main road structure of relief pressure valve; (2) operating pressure of long-range adjustable decompression valve.Can control magnetic valve by pulse, carry out outlet pressure step-less adjustment, regulate phase with traditional motorRatio, structure is little, lightweight, precision is high.
Brief description of the drawings
Fig. 1 is the fundamental diagram of the long-range controlled stepless decompression valve of the present invention.
Fig. 2 is that assembly of the present invention enters, the main road structure of relief pressure valve schematic diagram of pressure-releasing electromagnetic valve.
Fig. 3 is the A-A cutaway view of Fig. 2.
Wherein: 1 is main road pressure-reducing valve; 2 for controlling gas circuit pressure-reducing valve; 3 is air inlet electromagnetic valve; 4 is ventingMagnetic valve; 5 is controller; 6 is pressure sensor.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, further set forth the present invention. These embodiment are only interpreted asBe used for the present invention is described and be not used in and limit the scope of the invention. In having read that the present invention recordsAfter appearance, those skilled in the art can make various changes or modifications the present invention, these equivalence change andModify and fall into equally the scope of the claims in the present invention.
As Figure 1-3, the long-range controlled stepless decompression valve that the preferred embodiment of the present invention provides, mainComprise main road pressure-reducing valve 1, control gas circuit pressure-reducing valve 2, air inlet electromagnetic valve 3, pressure-releasing electromagnetic valve 4, controlDevice 5 and pressure sensor 6, main road pressure-reducing valve 1 to downstream, provides stable by upstream high pressure expenditure and pressureOperating pressure; Control gas circuit pressure-reducing valve 2 and provide the adjusting of constant pressure for main road pressure-reducing valve pneumatically loading chamberGas; Air inlet electromagnetic valve 3 is main road pressure-reducing valve pneumatically loading chamber input adjustments of gas, plays pressurization;Pressure-releasing electromagnetic valve 4 is main road pressure-reducing valve pneumatically loading chamber output adjustments of gas, plays depressurization; ControlDevice 5 is controlled into the action of, pressure-releasing electromagnetic valve, regulates in real time the pressure in pneumatically loading chamber; Pressure sensor 6Gather outlet pressure signal, and pass to controller and process.
As Figure 1-3, the long-range controlled stepless decompression valve that the preferred embodiment of the present invention provides concreteConnecting configuration relation is: air inlet electromagnetic valve 3 and venting electricity are housed on the pneumatically loading chamber of main road pressure-reducing valve 1Magnet valve 4, air inlet electromagnetic valve 3 and pressure-releasing electromagnetic valve 4 are 2/2-way structure; Air inlet electromagnetic valve 3 importsBe communicated with control gas circuit pressure-reducing valve 2 and export, outlet is communicated with the pneumatically loading chamber of main road pressure-reducing valve 1; Venting electricityMagnet valve 4 imports are communicated with the pneumatically loading chamber of main road pressure-reducing valve 1, and outlet is communicated with external environment; Pressure sensingDevice 6 gathers the pressure signal of main road pressure-reducing valve outlet pressure signal and main road pressure-reducing valve LOADED CAVITY, as controlThe input signal of device 5 processed; The output signal of controller 5 is step pulse signal, offers air inlet electromagnetismValve 3 and pressure-releasing electromagnetic valve 4, as power-on signal, are controlled gas circuit pressure-reducing valve 2 imports and main road decompressionValve 1 import is connected, and outlet is connected with air inlet electromagnetic valve 3 imports.
As shown in Figure 1, in the long-range controlled stepless decompression valve that the preferred embodiment of the present invention provides, workGas divides two-way: main work road and control gas circuit, and main work road connects main road pressure-reducing valve 1 and imports and exports, forDownstream provides the working gas of constant requirement; Controlling gas circuit perforation control gas circuit pressure-reducing valve 2 imports and exports, entersPneumoelectric magnet valve 3, main road pressure-reducing valve 1 pneumatically loading chamber and pressure-releasing electromagnetic valve 4, the gas in control pneumatically loading chamberBody regulates the operating pressure of main road gas vent. Control section is by groups such as pressure sensor 6 and controllers 5Become, controller 5 input signals are outlet pressure feedback signal, pneumatically loading cavity pressure signal, output letterNumber be step pulse signal, control the Kai Heguan of air inlet electromagnetic valve 3 and pressure-releasing electromagnetic valve 4.
Illustrate operation principle of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, controller 5 is provided and is required force value by program or the extraneous command signal setP3, controller 5 sends out signal to air inlet electromagnetic valve 3, the air inlet of pneumatically loading chamber, pressure raises, and promotesMain road pressure-reducing valve 1 spool is opened, and main road pressure-reducing valve 1 import high pressure P 1 expenditure and pressure is to exporting low pressure P2,Gather pressure P 2, P3 compares with setting pressure, if P2 is less than P3, controller 5 continue toAir inlet electromagnetic valve 3 is opened signal, until P2 equates with P3; If P2 is greater than P3, controller 5 is putPneumoelectric magnet valve 4 is opened signal, until P2 equates with P3.
As Figure 2-3, air inlet electromagnetic valve 3 and pressure-releasing electromagnetic valve 4 are by flange or screw thread and main road pressure-reducing valve1 pneumatically loading chamber is connected, and main road pressure-reducing valve 1 regulates the benchmark of pressure-reducing valve by pneumatically loading chamber gas pressureActive force, is equivalent to the benchmark spring in mechanical pressure-reducing valve.
Claims (1)
1. a long-range controlled stepless decompression valve, is characterized in that, comprises main road pressure-reducing valve [1], controlGas circuit pressure-reducing valve processed [2], air inlet electromagnetic valve [3], pressure-releasing electromagnetic valve [4], controller [5], pressure sensingDevice [6], is equipped with air inlet electromagnetic valve [3] and pressure-releasing electromagnetic valve [4] on the pneumatically loading chamber of main road pressure-reducing valve [1],Air inlet electromagnetic valve [3] and pressure-releasing electromagnetic valve [4] are 2/2-way structure; Air inlet electromagnetic valve [3] import is communicated withControl gas circuit pressure-reducing valve [2] outlet, outlet is communicated with the pneumatically loading chamber of main road pressure-reducing valve [1]; Venting electromagnetismValve [4] import is communicated with the pneumatically loading chamber of main road pressure-reducing valve [1], and outlet is communicated with external environment; Pressure sensingDevice [6] gathers the pressure signal of main road pressure-reducing valve [1] outlet and the pneumatically loading chamber of main road pressure-reducing valve [1]Pressure signal, as the input signal of controller [5]; The output signal of controller [5] is step pulse letterNumber, offer air inlet electromagnetic valve [3] and pressure-releasing electromagnetic valve [4] as power-on signal, control gas circuit and subtractPressure valve [2] import is connected with main road pressure-reducing valve [1] import, and outlet is connected with air inlet electromagnetic valve [3] import.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110011731.2A CN106134412B (en) | 2011-06-28 | 2011-06-28 | Long-range controlled stepless decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110011731.2A CN106134412B (en) | 2011-06-28 | 2011-06-28 | Long-range controlled stepless decompression valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106134412B true CN106134412B (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110011731.2A Active CN106134412B (en) | 2011-06-28 | 2011-06-28 | Long-range controlled stepless decompression valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN106134412B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697830A (en) * | 2016-04-13 | 2016-06-22 | 安徽康成工业产品设计有限公司 | Gas pressure medium integration rotator for industrial pressure reducing valve |
| CN108319185A (en) * | 2017-12-20 | 2018-07-24 | 北京航天计量测试技术研究所 | Gas circuit secondary safety redundant apparatus |
| CN113653840A (en) * | 2021-07-27 | 2021-11-16 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
| CN116464812A (en) * | 2023-06-19 | 2023-07-21 | 余姚市三力信电磁阀有限公司 | High-pressure intelligent grading pressure regulating valve and control method |
-
2011
- 2011-06-28 CN CN201110011731.2A patent/CN106134412B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105697830A (en) * | 2016-04-13 | 2016-06-22 | 安徽康成工业产品设计有限公司 | Gas pressure medium integration rotator for industrial pressure reducing valve |
| CN108319185A (en) * | 2017-12-20 | 2018-07-24 | 北京航天计量测试技术研究所 | Gas circuit secondary safety redundant apparatus |
| CN113653840A (en) * | 2021-07-27 | 2021-11-16 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
| CN113653840B (en) * | 2021-07-27 | 2023-09-26 | 上海空间推进研究所 | Automatic auxiliary debugging device for pressure reducing valve, operation method and pressure reducing valve device |
| CN116464812A (en) * | 2023-06-19 | 2023-07-21 | 余姚市三力信电磁阀有限公司 | High-pressure intelligent grading pressure regulating valve and control method |
| CN116464812B (en) * | 2023-06-19 | 2023-09-05 | 余姚市三力信电磁阀有限公司 | High-pressure intelligent grading pressure regulating valve and control method |
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| DCSP | Declassification of secret patent |