CN109115425B - A gas leakage calibrator - Google Patents
A gas leakage calibrator Download PDFInfo
- Publication number
- CN109115425B CN109115425B CN201811126293.2A CN201811126293A CN109115425B CN 109115425 B CN109115425 B CN 109115425B CN 201811126293 A CN201811126293 A CN 201811126293A CN 109115425 B CN109115425 B CN 109115425B
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- leakage
- pressure sensor
- differential pressure
- air inlet
- operation control
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- 238000004088 simulation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
本发明的技术方案是：一种气体泄漏标定仪由箱体、操作控制板、差压传感器、零泄漏电磁阀、模拟漏孔板、进气口、面板组成。其中操作控制板、差压传感器、零泄漏电磁阀、模拟漏孔板和进气口通过螺丝与箱体连接。进气口、差压传感器和零泄漏电磁阀通过气管与模拟漏孔板连接,从而通过人工操作操作控制板自动调整模拟漏孔板上漏孔的大小，使得模拟漏孔板的漏孔大小对应于相应的泄漏率。首先，该气体泄漏标定仪装置具有普遍适用性，对于不同型号的车轮都适用。其次，替代人工手动标定，准确率高，重复性好，很大程度提升工作效率及准确性。解决了在今后的生产开发过程中，做到更大程度上满足快节奏生产和准确率。
The technical solution of the present invention is: a gas leakage calibrator is composed of a box, an operation control panel, a differential pressure sensor, a zero leakage solenoid valve, a simulated leak plate, an air inlet, and a panel. The operation control panel, the differential pressure sensor, the zero leakage solenoid valve, the simulated leak plate and the air inlet are connected to the box by screws. The air inlet, the differential pressure sensor and the zero leakage solenoid valve are connected to the simulated leak plate through an air pipe, so that the size of the leak hole on the simulated leak plate is automatically adjusted by manually operating the operation control panel, so that the size of the leak hole on the simulated leak plate corresponds to the corresponding leakage rate. First of all, the gas leakage calibrator device has universal applicability and is applicable to wheels of different models. Secondly, it replaces manual calibration, has high accuracy, good repeatability, and greatly improves work efficiency and accuracy. It solves the problem of meeting fast-paced production and accuracy to a greater extent in future production and development processes.
Description
Technical Field
The invention relates to a gas leakage calibration instrument, and belongs to the field of automobile production mechanical equipment.
Background
At present, manual calibration is adopted for gas leakage calibration, so that whether the value of each calibration is accurate or not cannot be determined, the final production data result is influenced, and the production beat is influenced by repeated calibration. In view of this, there is an urgent need in the industry for a gas leakage calibration apparatus that automatically adjusts the size of the orifice of the simulated orifice plate by operating the control board so that the orifice size of the simulated orifice plate corresponds to the corresponding leak rate.
Disclosure of Invention
The invention provides a gas leakage calibration instrument for solving the problems of unstable manual calibration, low working efficiency, low stability, low data stability and the like, and aims to solve the problems in the prior art.
The technical scheme of the invention is that the gas leakage calibration instrument consists of a box body 107, an operation control board 106, a differential pressure sensor 104, a zero leakage electromagnetic valve 103, a simulation leakage orifice plate 102, an air inlet 101 and a panel 105. Wherein the control panel 106, the differential pressure sensor 104, the zero leakage electromagnetic valve 103, the simulation leakage orifice plate 102, the air inlet 101 is connected with the box 107 through the screw, the air inlet 101, the differential pressure sensor 104, the zero leakage electromagnetic valve 103 is connected with the simulation leakage orifice plate 102 through the air pipe. The size of the leak hole on the simulated leak hole plate 102 is automatically adjusted by manually operating the operation control board 106 so that the leak hole size of the simulated leak hole plate 102 corresponds to the corresponding leak rate.
The gas leakage calibration device has the advantages that the gas leakage calibration device has universal applicability and is suitable for wheels of different models. And secondly, manual calibration is replaced, the accuracy is high, the repeatability is good, and the working efficiency and the accuracy are improved to a great extent. And finally, the gas leakage calibration instrument device is simple and convenient to operate, high in accuracy and short in consumed time. Solves the problem that the fast-paced production and the accuracy are met to a greater extent in the future production and development processes.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a gas leakage calibration instrument.
Detailed Description
1. Referring to fig. 1, a gas leakage calibration apparatus according to the present embodiment is composed of a case 107, an operation control board 106, a differential pressure sensor 104, a zero leakage solenoid valve 103, a simulation orifice plate 102, an air inlet 101, and a panel 105. Wherein the control panel 106, the differential pressure sensor 104, the zero leakage electromagnetic valve 103, the simulation leakage orifice plate 102, the air inlet 101 is connected with the box 107 through the screw, the air inlet 101, the differential pressure sensor 104, the zero leakage electromagnetic valve 103 is connected with the simulation leakage orifice plate 102 through the air pipe. The size of the leak hole on the simulated leak hole plate 102 is automatically adjusted by manually operating the operation control board 106 so that the leak hole size of the simulated leak hole plate 102 corresponds to the corresponding leak rate.
Claims (1)
1. The utility model provides a gas leakage calibration appearance which characterized in that:
The leakage control device comprises a box body (107), an operation control board (106), a differential pressure sensor (104), a zero leakage electromagnetic valve (103), a simulation leakage orifice plate (102), an air inlet (101) and a panel (105), wherein the operation control board (106), the differential pressure sensor (104), the zero leakage electromagnetic valve (103), the simulation leakage orifice plate (102), the air inlet (101) and the box body (107) are connected through screws, the air inlet (101), the differential pressure sensor (104), the zero leakage electromagnetic valve (103) and the simulation leakage orifice plate (102) are connected through air pipes, and therefore the size of leakage holes of the simulation leakage orifice plate (102) is automatically adjusted through the operation control board, and the size of the leakage holes of the simulation leakage orifice plate (102) corresponds to the corresponding leakage rate;
the gas leakage calibration instrument is applicable to wheels of different models, and can replace manual calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126293.2A CN109115425B (en) | 2018-09-26 | 2018-09-26 | A gas leakage calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811126293.2A CN109115425B (en) | 2018-09-26 | 2018-09-26 | A gas leakage calibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109115425A CN109115425A (en) | 2019-01-01 |
| CN109115425B true CN109115425B (en) | 2024-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811126293.2A Active CN109115425B (en) | 2018-09-26 | 2018-09-26 | A gas leakage calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109115425B (en) |
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| CN109115425A (en) | 2019-01-01 |
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