CN219714616U - Simple and easy gas pressure reducer indication error calibrating device - Google Patents
Simple and easy gas pressure reducer indication error calibrating device Download PDFInfo
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- CN219714616U CN219714616U CN202321018663.7U CN202321018663U CN219714616U CN 219714616 U CN219714616 U CN 219714616U CN 202321018663 U CN202321018663 U CN 202321018663U CN 219714616 U CN219714616 U CN 219714616U
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- pressure
- gas
- reducer
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 61
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical group O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 53
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to the technical field of calibration of gas pressure reducers, in particular to a simple error calibration device for indicating value of a gas pressure reducer, which comprises a high-pressure source, wherein the high-pressure source comprises two pressure output interfaces, the two pressure output interfaces of the high-pressure source are respectively connected with a standard high-pressure gauge and the gas pressure reducer, and a high-pressure gas inlet of the gas pressure reducer is connected with one pressure output interface of the high-pressure source; the utility model can conveniently calibrate the indicating value error of the gas pressure reducer with the pressure gauge under the condition of not disassembling the gas pressure reducer, has simple structure, convenient connection and flexible and stable operation, and can be used under the condition of not purchasing a special device for calibrating the gas pressure reducer.
Description
Technical Field
The utility model relates to the technical field of calibration of gas pressure reducers, in particular to a simple calibration device for indicating value errors of a gas pressure reducer.
Background
The gas pressure reducer is mainly used for reducing pressure of high-pressure gas sources such as oxygen and acetylene and keeping constant outlet pressure, and has the functions of reducing inlet pressure and keeping stable outlet pressure. The pressure gauge arranged on the gas pressure reducer is used for measuring and indicating the outlet pressure of the gas cylinder and the low pressure of the secondary decompression outlet.
In the prior art, when the gas pressure reducer is calibrated, the gas pressure reducer is required to be calibrated, if the high-pressure gauge and the low-pressure gauge on the gas pressure reducer are required to be detached and then are independently detected under the condition that a special device for calibrating the gas pressure reducer is not purchased, the mode of detaching the pressure gauge for detection not only can cause poor tightness of secondary reloading after verification, but also can cause mixed loading of the high-pressure gauge and the low-pressure gauge, the detection working efficiency is low, and the integral value condition of the gas pressure reducing valve cannot be accurately reflected.
Disclosure of Invention
The utility model aims to provide a simple calibration device for indicating value errors of a gas pressure reducer, which can calibrate the indicating value errors of the gas pressure reducer with a pressure gauge very conveniently without disassembling the gas pressure reducer.
The utility model relates to a simple error calibrating device for indicating value of a gas pressure reducer, which comprises a high-pressure source, wherein the high-pressure source comprises two pressure output interfaces, the two pressure output interfaces of the high-pressure source are respectively connected with a standard high-pressure gauge and the gas pressure reducer, and a high-pressure gas inlet of the gas pressure reducer is connected with one pressure output interface of the high-pressure source.
Further, the device comprises a low-pressure source, wherein a three-way pipe is arranged on the low-pressure source, pressure output interfaces are arranged at two ends of the three-way pipe, one of the two pressure output interfaces of the low-pressure source is connected with a standard low-pressure gauge, and the other one of the two pressure output interfaces of the low-pressure source is connected with a low-pressure gas outlet of the gas pressure reducer.
Further, a connecting hose is connected between the other pressure output interface of the two pressure output interfaces of the low-pressure source and the low-pressure gas outlet of the gas pressure reducer.
Further, the low pressure source is a pneumatic pump type pressure source.
Further, when the rated inlet pressure of the gas pressure reducer is smaller than 10Mpa, the high-pressure source adopts a pneumatic pump type pressure source.
Furthermore, when the rated inlet pressure of the gas pressure reducer is more than 10Mpa, the high-pressure source adopts a pressure source with a supercharging device, and the supercharging device is a high-pressure gas cylinder, a gas supercharger or a hydraulic pump with secondary deionized water as a medium.
Further, the standard low-pressure gauge is a precision pressure gauge or a digital pressure gauge; the standard high-pressure manometer is a precision manometer or a digital manometer.
The beneficial effects of the utility model are as follows: the high-pressure gas pressure reducer comprises a high-pressure source, wherein the high-pressure source comprises two pressure output interfaces, the two pressure output interfaces of the high-pressure source are respectively connected with a standard high-pressure gauge and a gas pressure reducer, and a high-pressure gas inlet of the gas pressure reducer is connected with one pressure output interface of the high-pressure source; the utility model can conveniently calibrate the indicating value error of the gas pressure reducer with the pressure gauge under the condition of not disassembling the gas pressure reducer, has simple structure, convenient connection and flexible and stable operation, and can be used under the condition of not purchasing a special device for calibrating the gas pressure reducer.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a top view of the present utility model.
In the figure: 1. a low pressure source; 101. a three-way pipe; 2. a high pressure source; 3. a standard low pressure gauge; 4. a standard high pressure gauge; 5. a gas pressure reducer; 6. and connecting a hose.
Detailed Description
As shown in fig. 1-2, the simple error calibrating device for indicating value of the gas pressure reducer comprises a low-pressure source 1 and a high-pressure source 2, wherein a three-way pipe 101 is arranged on the low-pressure source 1, two ends of the three-way pipe 101 are respectively provided with a pressure output interface, one of the two pressure output interfaces of the low-pressure source 1 is connected with a standard low-pressure gauge 3, the other one of the two pressure output interfaces of the low-pressure source 1 is connected with a low-pressure gas outlet of the gas pressure reducer 5 through a connecting hose 6, the high-pressure source 2 comprises two pressure output interfaces, the two pressure output interfaces of the high-pressure source 2 are respectively connected with a standard high-pressure gauge 4 and the gas pressure reducer 5, and a high-pressure gas inlet of the gas pressure reducer 5 is connected with one pressure output interface of the high-pressure source 2.
The low pressure source 1 is a pneumatic pump type pressure source.
When the rated inlet pressure of the gas pressure reducer 5 is less than 10Mpa, the high-pressure source 2 adopts a pneumatic pump type pressure source; when the rated inlet pressure of the gas pressure reducer 5 is more than 10Mpa, the high-pressure source 2 adopts a pressure source with a supercharging device, and the supercharging device is a high-pressure gas cylinder, a gas supercharger or a hydraulic pump with secondary deionized water as a medium; hydraulic pumps with secondary deionized water as the medium are typically used in areas where the climate is dry and where no air pressure source with other pressurizing means is provided.
In order to ensure the accuracy of the error calibration of the indicating value of the gas pressure reducer, a standard low-pressure gauge 3 and a standard high-pressure gauge 4 are both precise pressure gauges or digital pressure gauges.
In this embodiment, one end of the connection hose 6 is provided with a basic male connector connected to the pressure outlet of the low pressure source, and the other end of the connection hose 6 is provided with a female connector connected to the low pressure outlet of the tested gas pressure reducer 5.
When the pressure regulator is used, the inlet end of the gas pressure reducer 5 and the standard high-pressure gauge 4 are arranged at the pressure outlet of the high-pressure source 2, the outlet end of the gas pressure reducer 5 is connected with the outlet end of the low-pressure source 1 by the connecting hose 6, the standard low-pressure gauge 3 is arranged at the pressure outlet of the low-pressure source 1, and the pressure regulating handle of the gas pressure reducer 5 is regulated to be in a completely loosened state; regulating the pressure of the high-pressure source 2 to calibrate the high-pressure representation value error return of the gas reducer 5; and regulating the pressure of the low-pressure source 1 to calibrate the return stroke of the low-pressure representation value error of the gas reducer 5, and completing the calibration of the representation value error of the gas reducer 5.
Claims (7)
1. A simple gas pressure reducer indication error calibration device is characterized in that: the high-pressure gas pressure source comprises a high-pressure source (2), wherein the high-pressure source (2) comprises two pressure output interfaces, the two pressure output interfaces of the high-pressure source (2) are respectively connected with a standard high-pressure gauge (4) and a gas pressure reducer (5), and a high-pressure gas inlet of the gas pressure reducer (5) is connected with one pressure output interface of the high-pressure source (2).
2. The simple gas pressure reducer indication error calibration device according to claim 1, wherein: the low-pressure gas pressure source comprises a low-pressure source (1), wherein a three-way pipe (101) is arranged on the low-pressure source (1), pressure output interfaces are arranged at two ends of the three-way pipe (101), one of the two pressure output interfaces of the low-pressure source (1) is connected with a standard low-pressure gauge (3), and the other one of the two pressure output interfaces of the low-pressure source (1) is connected with a low-pressure gas outlet of a gas pressure reducer (5).
3. The simple gas pressure reducer indication error calibration device of claim 2, wherein: a connecting hose (6) is connected between the other pressure output interface of the two pressure output interfaces of the low-pressure source (1) and the low-pressure gas outlet of the gas pressure reducer (5).
4. A simple gas pressure reducer indication error calibration device according to claim 3, wherein: the low-pressure source (1) is a pneumatic pump type pressure source.
5. The simple gas pressure reducer indication error calibration device according to claim 4, wherein: when the rated inlet pressure of the gas pressure reducer (5) is smaller than 10Mpa, the high-pressure source (2) adopts a pneumatic pump type pressure source.
6. The simple gas pressure reducer indication error calibration device according to claim 4, wherein: when the rated inlet pressure of the gas pressure reducer (5) is more than 10Mpa, the high-pressure source (2) adopts a pressure source with a supercharging device, and the supercharging device is a high-pressure gas cylinder, a gas supercharger or a hydraulic pump with secondary deionized water as a medium.
7. A simple gas pressure reducer indication error calibration device according to any one of claims 5 or 6, wherein: the standard low-pressure gauge (3) is a precision pressure gauge or a digital pressure gauge; the standard high-pressure manometer (4) is a precision manometer or a digital manometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018663.7U CN219714616U (en) | 2023-04-30 | 2023-04-30 | Simple and easy gas pressure reducer indication error calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321018663.7U CN219714616U (en) | 2023-04-30 | 2023-04-30 | Simple and easy gas pressure reducer indication error calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714616U true CN219714616U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321018663.7U Active CN219714616U (en) | 2023-04-30 | 2023-04-30 | Simple and easy gas pressure reducer indication error calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714616U (en) |
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2023
- 2023-04-30 CN CN202321018663.7U patent/CN219714616U/en active Active
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