CN110985721A - Multi-channel electronic pressure controller - Google Patents
Multi-channel electronic pressure controller Download PDFInfo
- Publication number
- CN110985721A CN110985721A CN201911238879.2A CN201911238879A CN110985721A CN 110985721 A CN110985721 A CN 110985721A CN 201911238879 A CN201911238879 A CN 201911238879A CN 110985721 A CN110985721 A CN 110985721A
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- Prior art keywords
- base
- proportional valve
- air
- pressure
- air inlet
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- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000000429 assembly Methods 0.000 abstract description 7
- 238000013016 damping Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention relates to the field of detection instruments, in particular to a multipath electronic pressure controller which comprises a base and an explosion-proof cover, wherein the explosion-proof cover is detachably connected with the base, a control cavity is formed between the explosion-proof cover and the base, a circuit board and a plurality of groups of air pressure adjusting assemblies are arranged in the control cavity, each air pressure adjusting assembly comprises a proportional valve and a pressure sensor, an air inlet passage and an air outlet passage are arranged in the base, one end of the air inlet passage is communicated with an air inlet interface of the proportional valve, the other end of the air inlet passage extends towards the outside of the base to form an air inlet, one end of the air outlet passage is communicated with the air outlet interface of the proportional valve, the other end of the air outlet passage extends towards the outside of the base to form an air outlet, the pressure sensors are used for detecting the air pressure. The device is the upgrading of present hand mode surge damping valve, and the realization that can be accurate is the same for the pressure value of opening at every turn, has improved the accuracy of testing result.
Description
Technical Field
The invention relates to the field of detection instruments, in particular to a multi-channel electronic pressure controller.
Background
In the field of detecting instruments and meters, when a pressure regulating and stabilizing air circuit is needed, a manual pressure stabilizing valve is usually used, when the valve is closed and then opened to the same scale as the original scale, even if the display of the pressure gauge is the same twice by naked eyes, the deviation still exists in practice, and the adjustment is carried out by people on site, so that two people are needed to cooperate, the manual pressure regulating valve frequently used at present is necessarily upgraded to an electronic pressure controller, and the detection precision and the detection efficiency can be improved.
Disclosure of Invention
The invention aims to provide a multi-channel electronic pressure controller, which can accurately realize the same pressure value of each opening, can quickly adjust the gas pressure during detection, can adopt remote control, and realizes the intellectualization of the conventional detection instrument.
The technical scheme adopted by the invention is as follows: the utility model provides a multichannel electronic pressure controller, includes base and explosion-proof cover, explosion-proof cover can dismantle with the base and be connected, form a control chamber between explosion-proof cover and the base, be equipped with circuit board and multiunit atmospheric pressure adjusting part in the control chamber, atmospheric pressure adjusting part includes proportional valve and pressure sensor, be equipped with the inlet channel and the route of giving vent to anger with the proportional valve one-to-one in the base, inlet channel's one end and proportional valve's the interface intercommunication that admits air, the other end forms the air inlet to the outside extension of base, the one end of the route of giving vent to anger communicates with the interface of giving vent to anger of proportional valve, and the other end forms the gas outlet to the outside extension of base, pressure sensor is arranged in detecting the route of giving vent to anger gas pressure, proportional valve and pressure.
The multi-path electronic pressure controller further includes that the air inlet is connected with the air inlet joint in a threaded manner, and the air outlet is connected with the air outlet joint in a threaded manner.
The multi-path electronic pressure controller further comprises a valve body mounting seat arranged on the base, the proportional valve is fixedly arranged on the valve body mounting seat, an air inlet channel and an air outlet channel which are in one-to-one correspondence with the proportional valve are arranged in the valve body mounting seat, the air inlet channel is used for communicating an air inlet interface and an air inlet passage of the proportional valve, and the air outlet channel is used for communicating an air outlet interface and an air outlet passage of the proportional valve.
The multi-path electronic pressure controller further includes that the pressure sensor is fixedly arranged on the valve body mounting seat, a detection hole for detecting the gas pressure in the gas passage is formed in the valve body mounting seat, and the detection hole is communicated with the gas outlet passage.
The multipath electronic pressure controller further includes a heating plate disposed between the proportional valve and the valve body mounting seat, wherein the valve body mounting seat is provided with a mounting groove matched with the heating plate, and a power control line of the heating plate is connected with the circuit board.
The multipath electronic pressure controller is further described as being provided with a mounting bracket at the bottom of the base.
The invention has the beneficial effects that: 1. the device is the upgrading of present hand mode surge damping valve, and the realization that can be accurate is the same for the pressure value of opening at every turn, has improved the accuracy of testing result, has guaranteed the repeatability of gas pressure simultaneously to the repeatability of detecting instrument has been improved. 2. This equipment can adopt remote control, has realized the intellectuality of present detecting instrument, and need not artificially go the switch valve and realize the pressure control to each way required gas, has improved the convenience of analysis, becomes digital control to traditional mechanical type operation formula.
Drawings
FIG. 1 is a perspective view of the present invention
Fig. 2 is a schematic diagram of the explosive structure of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. a base; 2. an explosion-proof cover; 3. a control chamber; 4. a circuit board; 5. an air pressure regulating assembly; 501. a proportional valve; 502. a pressure sensor; 6. an intake passage; 7. an air outlet passage; 8. an air inlet; 9. an air outlet; 10. an air inlet joint; 11. an air outlet joint; 12. a valve body mounting seat; 13. an air inlet channel; 14. an air outlet channel; 15. a detection hole; 16. heating plates; 17. and (7) mounting a bracket.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1 to 3, the multi-channel electronic pressure controller provided by this embodiment includes a base 1 and an explosion-proof cover 2, the explosion-proof cover 2 is detachably connected to the base 1, a control chamber 3 is formed between the explosion-proof cover 2 and the base 1, as shown in the figure, the explosion-proof cover 2 and the base 1 can be in threaded connection, so that the connection is convenient and fast, and at this time, in order to increase the tightness between the two, a sealing ring can be arranged between the explosion-proof cover 2 and the base 1. Of course, this is only one embodiment of the explosion-proof cover 2 detachably connected to the base 1, and other detachable manners, such as clamping, etc., may be adopted, which are not described in detail herein.
The control cavity 3 is provided with a circuit board 4 and a plurality of sets of air pressure adjusting assemblies 5, the air pressure adjusting assemblies 5 include proportional valves 501 and pressure sensors 502, the number of the air pressure adjusting assemblies 5 is not limited, as shown in fig. 2, the present embodiment employs three sets of air pressure adjusting assemblies 5, that is, three proportional valves 501 and three pressure sensors 502, although other numbers of air pressure adjusting assemblies 5 may be employed, for example, 2 sets or 5 sets, which are not illustrated herein by way of example, for the purpose of description below, three sets of air pressure adjusting assemblies 5 will be used as an example to describe below.
The base 1 is provided with the air inlet passages 6 and the air outlet passages 7 which are in one-to-one correspondence with the proportional valve 501, namely the number of the air inlet passages 6 and the air outlet passages 7 is the same as that of the proportional valve 501, namely three, one end of the air inlet passage 6 is communicated with the air inlet interface of the proportional valve 501, the other end of the air inlet passage extends to the outside of the base 1 to form an air inlet 8, one end of the air outlet passage 7 is communicated with the air outlet interface of the proportional valve 501, and the other end of the air outlet passage extends to the outside of the base 1 to form an air outlet 9, so that the multi-path gas pressure can be controlled simultaneously, and as. In order to facilitate the connection of the device and external equipment, an air inlet joint 10 is connected to the air inlet 8 in a threaded manner, and an air outlet joint 11 is connected to the air outlet 9 in a threaded manner, so that the device can be automatically butted according to the field situation when in use.
The pressure sensor 502 is used for detecting the gas pressure in the gas outlet passage 7, and the electric wire control lines of the proportional valve 501 and the pressure sensor 502 are respectively connected with the circuit board 4. The pressure sensor 502 is the prior art, and the specific structure and the working principle thereof are not further explained here; the working principle of the equipment is as follows: during operation, firstly air is fed through the air inlet 8, enters the proportional valve 501 through the air inlet passage 6, is discharged from the air outlet 9 through the air outlet passage 7, the air pressure in the air outlet passage 7 is detected through the pressure sensor 502, and then is negatively fed back to the proportional valve 501 through the circuit board 4 to automatically adjust the opening degree of the valve core of the proportional valve 501, so that the adjustment of the air pressure is realized. The remote control is adopted, the intellectualization of the existing detection instrument is realized, the pressure control of each path of required gas is realized without manually opening and closing a valve, the analysis convenience is improved, the traditional mechanical operation mode is changed into digital control, and the adopted control circuit programs are all common technical means in the field and are not elaborated herein.
As preferred, for the convenience of the installation stability of air pressure adjusting assembly 5, can be equipped with valve body mount pad 12 on base 1, proportional valve 501 is fixed to be set up on valve body mount pad 12, can adopt the mode of bolt fastening to fix, be equipped with intake duct 13 and gas outlet duct 14 with proportional valve 501 one-to-one in valve body mount pad 12, intake duct 13 and gas outlet duct 14's quantity also is unanimous with proportional valve 501's quantity promptly, also is three in the figure, this is the embodiment mode certainly, intake duct 13 is used for the air inlet interface and the air inlet passage 6 that communicate proportional valve 501, gas outlet duct 14 is used for the air outlet interface and the air outlet passage 7 that communicate proportional valve 501, for the convenience of the installation of air pressure adjusting assembly 5, just must set up the gas circuit that communicates proportional valve 501 in valve body mount pad 12.
Further, the pressure sensor 502 may also be fixedly disposed on the valve body mounting seat 12, as shown in fig. 2 and fig. 3, the pressure sensor 502 may be fixed on the sidewall of the valve body mounting seat 12 through a pressing sheet, the valve body mounting seat 12 is provided with a detection hole 15 for detecting the gas pressure in the gas channel, the detection hole 15 is communicated with the gas outlet channel 14, that is, the pressure sensor 502 detects the gas pressure in the gas outlet channel 14 through the detection hole 15, that is, when detecting, the gas in the gas outlet channel 14 may directly act on the pressure sensor 502 through the detection hole 15, so that the pressure sensor 502 is stressed to generate a corresponding gas pressure value, and in order to ensure the sealing property between the pressure sensor 502 and the valve body mounting seat 12, a silica gel pad may be disposed between the pressure sensor 502 and the valve body mounting seat 12.
Since the response of the proportional valve 501 may be delayed when the weather is cold, preferably, the heating plate 16 may be disposed between the proportional valve 501 and the valve body mounting seat 12, the valve body mounting seat 12 is provided with a mounting groove adapted to the heating plate 16, and the power control line of the heating plate 16 is connected to the circuit board 4, so that the proportional valve 501 may be heated by the heating plate 16 when the weather is cold, and the stability of the operation thereof is ensured.
Preferably, in order to make the base 1 more convenient to install, a mounting bracket 17 may be provided at the bottom of the base 1, as shown in the figure, the mounting bracket 17 is n-shaped, and of course, the shape and structure thereof may be adjusted according to the installation situation on site, which is not limited herein. The device is the upgrading of present hand mode surge damping valve, and the realization that can be accurate is the same for the pressure value of opening at every turn, has improved the accuracy of testing result, has guaranteed the repeatability of gas pressure simultaneously to the repeatability of detecting instrument has been improved.
The invention is not limited to the above-described examples, and various modifications or alterations without inventive work may be made by those skilled in the art within the scope of the invention defined by the claims appended hereto.
Claims (6)
1. The utility model provides a multichannel electronic pressure controller, includes base and explosion-proof cover, explosion-proof cover can be dismantled with the base and be connected, form a control chamber between explosion-proof cover and the base, its characterized in that: be equipped with circuit board and multiunit atmospheric pressure adjusting part in the control chamber, atmospheric pressure adjusting part includes proportional valve and pressure sensor, be equipped with the access of admitting air and the access of giving vent to anger with the proportional valve one-to-one in the base, the one end of the access of admitting air communicates with the interface that admits air of proportional valve, and the other end forms the air inlet to the outside extension of base, the one end of the access of giving vent to anger communicates with the interface of giving vent to anger of proportional valve, and the other end forms the gas outlet to the outside extension of base, pressure sensor is arranged in detecting the gas pressure in the access of giving vent to anger, proportional valve and pressure sensor.
2. A multiplexed electronic pressure controller in accordance with claim 1, wherein: the air inlet is in threaded connection with an air inlet connector, and the air outlet is in threaded connection with an air outlet connector.
3. A multiplexed electronic pressure controller as claimed in claim 1 or 2, wherein: be equipped with the valve body mount pad on the base, the proportional valve is fixed to be set up on the valve body mount pad, be equipped with in the valve body mount pad with proportional valve one-to-one's intake duct and gas outlet channel, the intake duct is used for the interface and the route of admitting air of intercommunication proportional valve, the gas outlet channel is used for the interface and the route of giving vent to anger of intercommunication proportional valve.
4. A multiplexed electronic pressure controller in accordance with claim 3, wherein: the pressure sensor is fixedly arranged on the valve body mounting seat, a detection hole for detecting the gas pressure in the gas passage is formed in the valve body mounting seat, and the detection hole is communicated with the gas outlet passage.
5. The multiplexed electronic pressure controller of claim 4, wherein: the heating plate is arranged between the proportional valve and the valve body mounting seat, the valve body mounting seat is provided with a mounting groove matched with the heating plate, and a power control line of the heating plate is connected with the circuit board.
6. A multiplexed electronic pressure controller in accordance with claim 1, wherein: the bottom of the base is provided with a mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238879.2A CN110985721A (en) | 2019-12-06 | 2019-12-06 | Multi-channel electronic pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911238879.2A CN110985721A (en) | 2019-12-06 | 2019-12-06 | Multi-channel electronic pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110985721A true CN110985721A (en) | 2020-04-10 |
Family
ID=70090908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911238879.2A Pending CN110985721A (en) | 2019-12-06 | 2019-12-06 | Multi-channel electronic pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110985721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117264764A (en) * | 2023-04-28 | 2023-12-22 | 哈尔滨工业大学 | Automatic stem cell culture equipment imitating human body internal environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054512U (en) * | 1989-07-07 | 1990-03-14 | 朱文安 | Pressure regulating heating combined valve |
| US5538036A (en) * | 1993-12-22 | 1996-07-23 | Nuovo Pignone S.P.A. | Control system for a pneumatic valve actuator |
| CN109083882A (en) * | 2018-10-18 | 2018-12-25 | 深圳市德平国瀚汽车电子科技有限公司 | Multigang valve |
| CN109854560A (en) * | 2019-01-23 | 2019-06-07 | 广东诺能泰自动化技术有限公司 | A kind of high-voltage electrical apparatus proportioning valve |
| CN110469696A (en) * | 2019-08-15 | 2019-11-19 | 南京中车浦镇海泰制动设备有限公司 | A kind of rail transit control guide's pneumatic operated valve |
-
2019
- 2019-12-06 CN CN201911238879.2A patent/CN110985721A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054512U (en) * | 1989-07-07 | 1990-03-14 | 朱文安 | Pressure regulating heating combined valve |
| US5538036A (en) * | 1993-12-22 | 1996-07-23 | Nuovo Pignone S.P.A. | Control system for a pneumatic valve actuator |
| CN109083882A (en) * | 2018-10-18 | 2018-12-25 | 深圳市德平国瀚汽车电子科技有限公司 | Multigang valve |
| CN109854560A (en) * | 2019-01-23 | 2019-06-07 | 广东诺能泰自动化技术有限公司 | A kind of high-voltage electrical apparatus proportioning valve |
| CN110469696A (en) * | 2019-08-15 | 2019-11-19 | 南京中车浦镇海泰制动设备有限公司 | A kind of rail transit control guide's pneumatic operated valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117264764A (en) * | 2023-04-28 | 2023-12-22 | 哈尔滨工业大学 | Automatic stem cell culture equipment imitating human body internal environment |
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Application publication date: 20200410 |