CN210071225U - Gas pressure reducer calibrating device - Google Patents
Gas pressure reducer calibrating device Download PDFInfo
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- CN210071225U CN210071225U CN201921298564.2U CN201921298564U CN210071225U CN 210071225 U CN210071225 U CN 210071225U CN 201921298564 U CN201921298564 U CN 201921298564U CN 210071225 U CN210071225 U CN 210071225U
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 description 12
- 238000012795 verification Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Abstract
The utility model discloses a gas pressure reducer calibrating device belongs to pressure reducer calibration field. A gas pressure reducer calibration device comprises a box body, wherein a first high-pressure output connector, a second high-pressure output connector, a first low-pressure connector and a second low-pressure connector are connected to the box body respectively, the first high-pressure output connector and the first low-pressure connector are used for being connected with a first pressure reducer, the second high-pressure output connector and the second low-pressure connector are used for being connected with a second pressure reducer, an air pump, an air storage tank and a supercharger are fixedly connected to the box body, the output end of the air pump is connected with the inlet end of the air storage tank, and the output end of the air storage tank is connected with the first high; the utility model discloses can calibrate according to the user state to the pressure reducer manometer, still implement the calibration to adjustment mechanism leakproofness and pressure reducer relief valve pressure parameter and detect, solve the problem that present gas pressure reducer detects, the calibration exists, realize the automatic detection of calibration, improve the detection efficiency of gas pressure reducer.
Description
Technical Field
The utility model relates to a pressure reducer calibration technical field especially relates to a gas pressure reducer calibrating device.
Background
The gas pressure reducer is a regulator for reducing the high-pressure gas stored in the pressure vessel to a low-pressure gas and keeping the pressure and flow rate of the output gas constant.
When high and low pressure gauges on a gas pressure reducer are calibrated in the existing metering industry, most of the two pressure gauges are disassembled from the pressure reducer and are respectively calibrated; this leads to several problems 1, when re-assembled to the decompressor, the orientation of the two tables changes, which is not easy to observe; 2. the problem of possible air leakage when re-installation because the original sealing state is damaged; 3. whether the pressure reducer leaks air or not cannot be checked; 4. two sets of pressure check devices are adopted, and two pressure gauges are respectively checked in high-pressure and low-pressure ranges; therefore, the overall verification of the pressure reducer is imperative.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a gas pressure reducer calibrating device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a gas pressure reducer calibrating device comprises a box body, wherein a first high-pressure output connector, a second high-pressure output connector, a first low-pressure connector and a second low-pressure connector are connected to the box body respectively, the first high-pressure output connector and the first low-pressure connector are used for being connected with a first pressure reducer, the second high-pressure output connector and the second low-pressure connector are used for being connected with a second pressure reducer, an air pump, an air storage tank and a supercharger are fixedly connected to the box body, the output end of the air pump is connected with the inlet end of the air storage tank, the output end of the air storage tank is connected with the first high-pressure output connector, a pre-pressing valve, a zero-return valve and a first pressure detection standard device are connected to a pipeline connected with the first high-pressure output connector, the output end of the air storage tank is connected with the air inlet end of the supercharger, the air outlet end of the supercharger is connected with, the booster with the pipeline that second high pressure output connect on be connected with the second pressure detection etalon, first low pressure connects and the second low pressure connects continuously, be connected with high-low pressure stop valve on the pipeline that first low pressure connects and the second low pressure articulate.
Preferably, the pre-pressure valve, the return-to-zero valve, the pressure increasing valve, the pressure reducing valve and the high-low pressure stop valve are all electromagnetic valves.
Preferably, the box body is connected with a button which is electrically connected with the pre-pressure valve, the return-to-zero valve, the pressure increasing valve, the pressure reducing valve and the high-low pressure stop valve.
Preferably, the device also comprises a controller and a computer, wherein the controller is electrically connected with the computer, the controller is electrically connected with the air pump, an air outlet pipe of the air storage tank is connected with a pressure sensor, and the pressure sensor is electrically connected with the controller.
Preferably, the bottom side of the box body is connected with a switch door.
Preferably, the bottom side of the box body is connected with universal wheels.
Compared with the prior art, the utility model provides a gas pressure reducer calibrating device possesses following beneficial effect:
1. the gas pressure reducer calibration device is connected by a first pressure reducer and a second pressure reducer through a first high-pressure output connector, a second high-pressure output connector, a first low-pressure connector and a second low-pressure connector, then gas conveying detection is carried out through an air pump and an air storage tank, pressure adjustment is realized by controlling the opening and closing of a pre-pressure valve, a zero-return valve, a boost valve, a buck valve and a high-low pressure stop valve, meanwhile, pressure detection is carried out by utilizing a first pressure detection standard device and a second pressure detection standard device, two pressure gauges for dismounting and mounting the pressure reducer are not needed to carry out detection respectively, the operation is simple, the phenomenon that sealing is damaged and gas leakage is caused by dismounting and mounting the pressure gauges is avoided, the detection is accurate, the pressure reducer is integrated, and two; the pressure of a 1.3MPa air source can be increased to more than 25 MPa; only 5 knobs are required to be operated in the verification process; can calibrate according to the user state to the pressure reducer manometer, still implement the calibration to adjustment mechanism leakproofness and pressure reducer relief valve pressure parameter and detect, solve the problem that present gas pressure reducer detects, the calibration exists, realize the automatic detection of calibration, improve gas pressure reducer's detection efficiency.
2. According to the gas pressure reducer calibration device, the pre-pressurizing valve, the return-to-zero valve, the boosting valve, the pressure reducing valve and the high-low pressure stop valve are all electromagnetic valves, so that the valves can be conveniently controlled to be opened and closed.
3. The gas pressure reducer calibration device is convenient for controlling the valve to be opened and closed by connecting the button electrically connected with the pre-pressing valve, the return-to-zero valve, the boosting valve, the pressure reducing valve and the high-low pressure stop valve on the box body.
4. This gas pressure reducer calibrating device is convenient for carry out the control box through controller and computer and adjusts the state of admitting air.
Drawings
Fig. 1 is a schematic structural diagram of a gas pressure reducer calibration device according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a gas pressure reducer calibration device according to the present invention;
fig. 3 is a flow control diagram of the gas pressure reducer calibrating apparatus provided by the present invention.
In the figure: 1. an air pump; 2. a gas storage tank; 3. a supercharger; 4. a first pressure detection standard; 5. a second pressure detection standard; 6. a pre-compression valve; 7. a boost valve; 8. a return-to-zero valve; 9. a pressure reducing valve; 10. a high-low pressure stop valve; 11. a first pressure reducer; 12. a second pressure reducer; 13. a controller; 14. a computer; 15. a pressure sensor; 16. a box body; 17. a first low pressure connection; 18. a first high pressure output connector; 19. a second high-pressure output connector; 20. a second low pressure connection; 21. a universal wheel; 22. opening and closing the door; 23. a button.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a gas pressure reducer calibration device comprises a box 16, the box 16 is respectively connected with a first high pressure output joint 18, a second high pressure output joint 19, a first low pressure joint 17 and a second low pressure joint 20, the first high pressure output joint 18 and the first low pressure joint 17 are used for connecting a first pressure reducer 11, the second high pressure output joint 19 and the second low pressure joint 20 are used for connecting a second pressure reducer 12, the box 16 is fixedly connected with an air pump 1, an air storage tank 2 and a supercharger 3, the output end of the air pump 1 is connected with the inlet end of the air storage tank 2, the output end of the air storage tank 2 is connected with the first high pressure output joint 18, the pipeline connecting the air storage tank 2 with the first high pressure output joint 18 is connected with a pre-pressure valve 6, a zero valve 8 and a first pressure detection standard 4, the output end of the air storage tank 2 is connected with the air inlet end of the supercharger 3, the air outlet end, the pipeline that gas holder 2 and booster 3 are connected is connected with pressure-increasing valve 7 and pressure-reducing valve 9, is connected with second pressure detection standard 5 on the pipeline that booster 3 and second high pressure output connect 19 are connected, and first low pressure connects 17 and second low pressure and connects 20 and link to each other, is connected with high-low pressure stop valve 10 on the pipeline that first low pressure connects 17 and second low pressure connect 20 and connects.
The pre-pressure valve 6, the return-to-zero valve 8, the pressure increasing valve 7, the pressure reducing valve 9 and the high-low pressure stop valve 10 are all electromagnetic valves.
The box 16 is connected with a button 23 which is electrically connected with the pre-pressure valve 6, the return-to-zero valve 8, the pressure increasing valve 7, the pressure reducing valve 9 and the high-low pressure stop valve 10.
The air pump is characterized by further comprising a controller 13 and a computer 14, wherein the controller 13 is electrically connected with the computer 14, the controller 13 is electrically connected with the air pump 1, a pressure sensor 15 is connected to an air outlet pipe of the air storage tank 2, and the pressure sensor 15 is electrically connected with the controller 13.
The bottom side of the box body 16 is connected with a switch door 22, and the bottom side of the box body 16 is connected with a universal wheel 21, so that the box body 16 can be moved conveniently and detection and maintenance can be carried out conveniently.
The pressure regulator is connected with a first pressure reducer 11 and a second pressure reducer 12 through a first high-pressure output connector 18, a second high-pressure output connector 19, a first low-pressure connector 17 and a second low-pressure connector 20, then gas conveying detection is carried out through an air pump 1 and a gas storage tank 2, pressure regulation is realized by controlling the opening and closing of a pre-pressure valve 6, a zero return valve 8, a boost valve 7, a pressure reducing valve 9 and a high-low pressure stop valve 10, meanwhile, pressure detection is carried out through a first pressure detection standard device 4 and a second pressure detection standard device 5, two pressure gauges which are not required to be disassembled and assembled are respectively used for detection, the operation is simple, the phenomenon that the pressure gauge is disassembled to cause sealing damage and gas leakage is avoided, the detection is accurate, the pressure reducers are integrally verified, and the; the pressure of a 1.3MPa air source can be increased to more than 25 MPa; only 5 knobs are required to be operated in the verification process; can calibrate according to the user state to the pressure reducer manometer, still implement the calibration to adjustment mechanism leakproofness and pressure reducer relief valve pressure parameter and detect, solve the problem that present gas pressure reducer detects, the calibration exists, realize the automatic detection of calibration, improve gas pressure reducer's detection efficiency.
The pre-pressurizing valve 6, the zero returning valve 8, the boosting valve 7, the pressure reducing valve 9 and the high-low pressure stop valve 10 are all electromagnetic valves, so that the valves can be controlled to be opened and closed conveniently.
The box body 16 is connected with a button 23 which is electrically connected with the pre-pressure valve 6, the return-to-zero valve 8, the boost valve 7, the pressure reducing valve 9 and the high-low pressure stop valve 10, so that the valve can be controlled to be opened and closed conveniently.
The control box is facilitated to regulate the intake state by the controller 13 and the computer 14.
The first pressure reducer 11 and the second pressure reducer 12 will be connected using the first high pressure output connection 18, the second high pressure output connection 19, the first low pressure connection 17, and the second low pressure connection 20.
NO.1, firstly closing the return-to-zero valve 88, the pressure increasing valve 77 and the pre-pressurizing valve 6, and opening the pressure reducing valve 9 and the high-low pressure stop valve 1;
no.2 the upper and lower limit set values of the gas tank 2 are set to: the upper limit is 1.6MPa, and the lower limit is 1.3 MPa;
NO.3 the air pump 1 is started, and the real-time pressure value of the air storage tank 2 is 1.6 MPa;
NO.4, the positive stroke of the low-pressure end is firstly detected, the pre-pressure valve 6 is slowly opened, the first detection point is adjusted to be 0.5MPa, the return-to-zero valve 8 and the pre-pressure valve 6 can be used in a matched mode in the process, the pressure value is stabilized at an integer point, and data are recorded;
NO.5, slowly opening the pre-pressure valve 6, adjusting the next detection point to be 1.0MPa, in the process, using the return-to-zero valve 8 and the pre-pressure valve 6 in a matched mode, stabilizing the pressure value at an integer point, and recording data;
NO.6 slowly opening the pre-pressure valve 6, adjusting the next detection point to be 1.5MPa, in the process, using the return-to-zero valve 8 and the pre-pressure valve 6 in a matched mode, stabilizing the pressure value at an integer point, and recording data;
NO.7, when the pressure value is the same as the output pressure value of the air source, the pre-pressure valve 6 is closed, and the zero valve 8 is in a closed state;
NO.8, slowly opening the pressure increasing valve 7, adjusting the next detection point to be 2MPa, wherein the pressure increasing valve 7 and the pressure reducing valve 9 can be used in a matching way, the detection points are sequentially adjusted to be 2.0MPa and 2.5MPa, and data is recorded;
NO.9, after the full range of the low-pressure end is detected, closing the high-low pressure stop valve 10;
no.10, starting to test the positive stroke of the high-pressure end, slowly opening the boost valve 7, adjusting the first test point to 5MPa, and in the process, using the pressure reducing valve 9 and the boost valve 7 in a matched manner to stabilize the pressure value at an integer point and recording data;
NO.11, slowly opening the pressure increasing valve 7, adjusting the next detection point to be 10MPa, and in the process, using the pressure decreasing valve 9 and the pressure increasing valve 7 in a matched mode to stabilize the pressure value at an integer point and recording data;
NO.12 slowly opening the pressure-increasing valve 7, sequentially adjusting the detection points to 15MPa, 20MPa and 25MPa, and recording data;
after the NO.13 is detected to be 25MPa of full scale, the positive stroke detection is finished, and the pressure boosting valve 7 is in a closed state;
no.14, starting the reverse stroke verification of the high-pressure end, slowly opening the pressure reducing valve 9, adjusting the pressure to a first detection point of 20MPa, and in the process, using the pressure reducing valve 9 and the pressure increasing valve 7 in a matched manner to stabilize the pressure value at an integer point and recording data;
NO.15 the pressure reducing valve 9 is slowly opened, the pressure is adjusted to a second detection point 15MPa, the pressure reducing valve 9 and the pressure increasing valve 7 can be used in a matching way in the process, the pressure value is stabilized at an integer point, and data is recorded.
NO.16 slowly opening the pressure reducing valve 9, sequentially adjusting the detection points to 10MPa and 5MPa, recording data, opening the high-low pressure stop valve 10 when the pressure of the high pressure end is the same as that of the low pressure end in the reverse stroke detection, and indicating that the pressure reducer leaks air if the pressure of the low pressure end before opening is much lower than the full range;
and NO.17, starting to test the reverse stroke of the low-pressure end, slowly opening the pressure reducing valve 9, adjusting the pressure to the first detection point of 2.5MPa, and in the process, using the pressure reducing valve 9 and the pressure increasing valve 7 in a matched mode to enable the pressure value to be stabilized at an integer point and recording data.
NO.18, slowly opening the pressure reducing valve 9, adjusting the pressure to the first detection point of 2MPa, in the process, using the pressure reducing valve 9 and the pressure increasing valve 7 in a matched manner, stabilizing the pressure value at an integer point, and recording data;
NO.19 slowly opening the pressure reducing valve 9, sequentially adjusting the detection points to 1.5MPa, 1.0MPa and 0MPa, recording data of a high-pressure end at zero, and opening the zero returning valve 8 when the pressure increasing valve 7 is completely opened and the equipment displays pressure;
and (5) after the NO.20 verification is finished, disassembling the tested pressure reducer and installing the screwed plug.
In the utility model, the first pressure detection standard device 4 and the second pressure detection standard device 5 adopt a built-in mode, the first pressure detection standard device 4 is a digital pressure module of 6MPa and 0.05 level and the second pressure detection standard device 5 is a digital pressure module of 25MPa and 0.05 level;
the utility model discloses in, in order to obtain the high-pressure gas that is not less than 25MPa, booster 3 adopts the design of two gaseous booster pumps, and the gas booster pump principle uses compressed air as the power supply, promotes to convert the high-pressure gas who becomes little piston area according to large tracts of land piston low pressure, and this structure can be with 1.3MPa compressed air, and steady pressure boost satisfies examination demand to more than 25 MPa.
In the utility model, the supercharger 3 needs to supply air continuously in the supercharging process, and the air demand is large, the air outlet pressure rises continuously, and 1.3MPa is needed at the maximum, in order to ensure the verification requirement, the air pump 1 adopts 4 low-noise air compressors, a 1L air storage tank 2 is additionally arranged, meanwhile, the pressure of the air storage tank 2 is controlled according to a controller 13, the upper limit pressure and the lower limit pressure of the gas storage tank 2 are set by the computer 14, the controller 13 can start or stop the compressor according to the set values, the controller 13 and the computer 14 are conventional known devices which can be bought in the market, the computer 14 is provided with a display screen, the computer 14 can be electrically connected with the first pressure detection standard device 4 and the second pressure detection standard device 5 to realize the real-time display of the detection results, meanwhile, in order to avoid overheating during continuous compression work, two cooling fans can be respectively added on two sides of the air compressor case.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a gas pressure reducer calibrating device, includes box (16), its characterized in that, be connected with first high pressure output joint (18), second high pressure output joint (19), first low pressure joint (17) and second low pressure joint (20) on box (16) respectively, first high pressure output joint (18) and first low pressure joint (17) are used for connecting first pressure reducer (11), second high pressure output joint (19) and second low pressure joint (20) are used for connecting second pressure reducer (12), fixedly connected with air pump (1), gas holder (2) and booster (3) in box (16), air pump (1) output links to each other with gas holder (2) entrance point, gas holder (2) output links to each other with first high pressure output joint (18), be connected with precompression valve (6) on the pipeline that gas holder (2) and first high pressure output joint (18) are connected, Return to zero valve (8) and first pressure detection standard ware (4), gas holder (2) output links to each other with booster (3) inlet end, booster (3) give vent to anger the end with second high pressure output connect (19) link to each other, be connected with on the pipeline that gas holder (2) and booster (3) are connected and step up valve (7) and pressure reducing valve (9), booster (3) with second high pressure output connect (19) be connected on the pipeline be connected with second pressure detection standard ware (5), first low pressure connects (17) and second low pressure and connects (20) and link to each other, be connected with high low-pressure stop valve (10) on the pipeline that first low pressure connects (17) and second low pressure connect (20) and connect.
2. A gas pressure reducer calibration device according to claim 1, wherein the pre-pressure valve (6), the return-to-zero valve (8), the pressure-increasing valve (7), the pressure-decreasing valve (9) and the high-low pressure stop valve (10) are all solenoid valves.
3. A gas pressure reducer calibration device according to claim 2, characterized in that the tank (16) is connected with a button (23) which is electrically connected with the pre-pressure valve (6), the zero-return valve (8), the pressure-increasing valve (7), the pressure-decreasing valve (9) and the high-low pressure stop valve (10).
4. The gas pressure reducer calibration device according to claim 1, further comprising a controller (13) and a computer (14), wherein the controller (13) is electrically connected to the computer (14), the controller (13) is electrically connected to the gas pump (1), a pressure sensor (15) is connected to an outlet pipe of the gas storage tank (2), and the pressure sensor (15) is electrically connected to the controller (13).
5. A gas pressure reducer calibration device according to any one of claims 1-4, characterized in that a switch door (22) is attached to the bottom side of the tank (16).
6. A gas pressure reducer calibration device according to claim 1, characterized in that universal wheels (21) are attached to the bottom side of the tank (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298564.2U CN210071225U (en) | 2019-08-12 | 2019-08-12 | Gas pressure reducer calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921298564.2U CN210071225U (en) | 2019-08-12 | 2019-08-12 | Gas pressure reducer calibrating device |
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| CN210071225U true CN210071225U (en) | 2020-02-14 |
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| CN201921298564.2U Expired - Fee Related CN210071225U (en) | 2019-08-12 | 2019-08-12 | Gas pressure reducer calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113703A (en) * | 2020-09-08 | 2020-12-22 | 安徽江淮汽车集团股份有限公司 | Engine pressure sensor testing device |
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2019
- 2019-08-12 CN CN201921298564.2U patent/CN210071225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113703A (en) * | 2020-09-08 | 2020-12-22 | 安徽江淮汽车集团股份有限公司 | Engine pressure sensor testing device |
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