CN204065059U - Gas sensor calibration container - Google Patents
Gas sensor calibration container Download PDFInfo
- Publication number
- CN204065059U CN204065059U CN201420505880.3U CN201420505880U CN204065059U CN 204065059 U CN204065059 U CN 204065059U CN 201420505880 U CN201420505880 U CN 201420505880U CN 204065059 U CN204065059 U CN 204065059U
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- China
- Prior art keywords
- cover plate
- side cover
- main cavity
- sensor calibration
- gas sensor
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Abstract
The utility model provides a kind of gas sensor calibration container, and comprise main cavity, left side cover plate, right side cover plate, two cover plates are positioned at the two ends of main cavity; Left side cover plate is fixed with threeway; One end of threeway is air intake opening, and air intake opening is provided with air intake opening non-return valve; One end is gas outlet, left side cover plate offers three through holes, and gas outlet is communicated with main cavity by three through holes; One end is connected with densitometer; Right side cover plate is fixed with insulating disc and two-way; Insulating disc runs through multiple binding post, one end of binding post is positioned at main cavity inside, and one end is positioned at insulating disc outside; Right side cover plate offers through hole, and one end of this two-way is communicated with main cavity by through hole, and the other end is connected with aspiration pump, two-way is provided with gas outlet non-return valve; Aspiration pump is communicated with returnable bottle.The utility model structure is simple, for convenience detach, avoids the use bonding jelly, and can to waste gas recovery; And sealing property is better, is more suitable for the demarcation of light concentration gas and toxic gas.
Description
Technical field
The utility model relates to a kind of gas sensor calibration container.
Background technology
So-called to demarcate, be the value that produces using a kind of high precision apparatus as the ruler of tolerance, be input in sensor to be calibrated, obtain the output quantity of sensor, then by mathematical method, obtain the corresponding relation between sensor constrained input.The demarcation of gas sensor, sensor, as input value, is put into the airtight container being filled with calibrating gas and is demarcated it by the known calibrating gas of normal working concentration.Therefore, the sealing of container seems and is even more important.
At present, in existing gas sensor calibration instrument, the normal bonding jelly that adopts pastes instrument main cavity and remaining part, and bonding jelly has certain influence to gas concentration, and sealing effectiveness is bad, and this makes the demarcation of light concentration gas there is larger difficulty.In addition, existing calibrating instrument cannot reclaim gas mostly, and the marked gas be discharged in air can pollute air, even impacts demarcation the healthy of personnel.
So, for the shortcoming of existing calibrating instrument, be necessary to develop a kind of new gas sensor calibration container, while promoting instrument sealing, accomplish the protection to environment and staff.
Utility model content
The utility model proposes a kind of gas sensor calibration container, solve in existing calibrating instrument and use bonding jelly to affect gas concentration accuracy, poor sealing performance and cannot the problem of gas recovery.
The utility model solves the technical scheme that its technical matters adopts:
A kind of gas sensor calibration container, comprising:
The main cavity of both ends open;
Left side cover plate, right side cover plate; Two cover plates are positioned at the two ends of main cavity, and with main cavity for removably connecting, two cover plates and main cavity form enclosure space;
Be fixed on the threeway on the cover plate of left side; One end of this threeway is air intake opening, and air intake opening is provided with air intake opening non-return valve; One end is gas outlet, left side cover plate offers three through holes, and this gas outlet is communicated with main cavity by three through holes; One end is connected with tensimeter;
Be fixed on the insulating disc on the cover plate of right side; Insulating disc runs through multiple binding post, one end of binding post is positioned at main cavity inside, and one end is positioned at insulating disc outside;
Be fixed on the two-way on the cover plate of right side; Right side cover plate offers through hole, and one end of this two-way is communicated with main cavity by through hole, and the other end is connected with aspiration pump, two-way is provided with gas outlet non-return valve;
Returnable bottle; Returnable bottle is communicated with aspiration pump.
The below of described main cavity is provided with stainless steel stent.
Described main cavity is cylindrical shape, made of aluminum.
The edge at the main cavity two ends of described cylindrical shape is provided with convex edge, and left side cover plate and right side cover plate are fixedly connected on convex edge.
Described left side cover plate and right side cover plate are made up of stainless steel.
Described left side cover plate, right side cover plate are connected with main cavity by screw, and left side cover plate, right side cover plate are provided with seal groove, seal with O-ring seal and main cavity.
Described gas outlet and three through holes are connected by screw, and both are sealed by O-ring seal.
Described insulating disc is connected with O-ring seal by screw with right side cover plate.
Compared with prior art, the beneficial effects of the utility model are:
Avoid bonding jelly to the impact of gas concentration, ensure that the sealing of container, waste gas is recycled; In addition, container joint meets related specifications, for convenience detach, and structure is simple, and physical strength is good, is applicable to the demarcation of various sensor, especially to the demarcation of hazardous gas.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left side of the present utility model cover plate sectional view;
Wherein, 1, stainless steel stent; 2, air intake opening non-return valve; 3, air intake opening; 4, threeway; 5, tensimeter; 6, left side cover plate; 7, main cavity; 8, right side cover plate; 9, insulating disc; 10, binding post; 11, gas outlet non-return valve; 12, two-way; 13, aspiration pump; 14, returnable bottle; 6-1, cover plate fixing threaded hole; 6-2, seal groove; 6-3, threeway fixing threaded hole; 6-4, three through holes.
Embodiment
below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the gas sensor calibration structure of container schematic diagram that the utility model provides.As shown in Figure 1, stainless steel stent (1) connects with main cavity (7) for fixing whole container.Left side cover plate (6) is connected with screw by O-ring seal with main cavity (7), and left side cover plate (6) material is stainless steel, and main cavity (7) material is aluminium, ensure that its physical strength while alleviating container general assembly (TW).Screw is fastening by torque spanner, ensure that the impermeability of container.Threeway (4) is connected with left side cover plate (6) with O-ring seal by screw, and one end of this threeway is air intake opening (3), and air intake opening is provided with air intake opening non-return valve (2), for gas to be measured is locked in inside cavity; One end is gas outlet, left side cover plate offers three through holes, and this gas outlet is communicated with main cavity by three through holes; One end is connected with tensimeter (5), for real-time measuring vessel internal pressure; The each interface of this threeway meets national grid relevant criterion, and air intake opening (3) can pass through the direct connection standard gas bomb of interconnecting device, avoids and uses other gas recovery facilities to inflate the concentration change caused.Right side cover plate (8) is connected with main cavity (7) right side with screw by O-ring seal.Insulating disc (9) runs through multiple binding post (10), for the power supply of sensor and the transmission of sensor signal.Insulating disc (9) is also be connected with right side cover plate (8) with screw by O-ring seal.Cover plate (8) lower end, right side connects two-way (12), its connected mode is also by O-ring seal and screw, and right side cover plate offers through hole, and one end of two-way is communicated with main cavity by through hole, the other end is connected with aspiration pump (13), two-way is provided with gas outlet non-return valve (11); Aspiration pump (13) is connected for reclaiming waste gas with returnable bottle (14), avoids the harm of waste gas to air and tester.The edge at main cavity two ends is provided with convex edge, and left side cover plate and right side cover plate are fixedly connected on convex edge.
Fig. 2 is cover plate sectional view on the left of the gas sensor calibration container that provides of the utility model.As shown in Figure 2, cover plate fixing threaded hole (6-1) is for being fixed on main cavity side by cover plate; Seal groove (6-2) is for placing O-ring seal; Threeway fixing threaded hole (6-3) is for being fixed on left side cover plate by threeway; Three through holes (6-4) ensure that the connectedness of cavity and threeway.
The course of work of the present utility model, first puts into main cavity (7) by sensor, sensor power supply line and data line are connected with the binding post (10) on the cover plate of right side.Fixing right side cover plate (8), and the terminal of upper for insulating disc binding post (10) corresponding power line and data line is handled accordingly.When starting to test, close air intake opening non-return valve (2), open gas outlet non-return valve (11), to container extracting vacuum repeatedly.After extracting vacuum terminates, close gas outlet non-return valve (11), open air intake opening non-return valve (2), be filled with tape test gas to container, observe tensimeter (5), until container is full of gas to be measured, close air intake opening non-return valve (2), start test.After experiment terminates, open gas outlet non-return valve (11), open aspiration pump (13), by waste gas suction returnable bottle (14).
Claims (8)
1. a gas sensor calibration container, is characterized in that, comprising:
The main cavity of both ends open;
Left side cover plate, right side cover plate; Two cover plates are positioned at the two ends of main cavity, and with main cavity for removably connecting, two cover plates and main cavity form enclosure space;
Be fixed on the threeway on the cover plate of left side; One end of this threeway is air intake opening, and air intake opening is provided with air intake opening non-return valve; One end is gas outlet, left side cover plate offers three through holes, and this gas outlet is communicated with main cavity by three through holes; One end is connected with tensimeter;
Be fixed on the insulating disc on the cover plate of right side; Insulating disc runs through multiple binding post, one end of binding post is positioned at main cavity inside, and one end is positioned at insulating disc outside;
Be fixed on the two-way on the cover plate of right side; Right side cover plate offers through hole, and one end of this two-way is communicated with main cavity by through hole, and the other end is connected with aspiration pump, two-way is provided with gas outlet non-return valve;
Returnable bottle; Returnable bottle is communicated with aspiration pump.
2., according to gas sensor calibration container according to claim 1, it is characterized in that:
The below of described main cavity is provided with stainless steel stent.
3., according to gas sensor calibration container according to claim 1, it is characterized in that:
Described main cavity is cylindrical shape, made of aluminum.
4., according to gas sensor calibration container according to claim 3, it is characterized in that:
The edge at the main cavity two ends of described cylindrical shape is provided with convex edge, and left side cover plate and right side cover plate are fixedly connected on convex edge.
5., according to gas sensor calibration container according to claim 1, it is characterized in that:
Described left side cover plate and right side cover plate are made up of stainless steel.
6., according to gas sensor calibration container according to claim 1, it is characterized in that:
Described left side cover plate, right side cover plate are connected with main cavity by screw, and left side cover plate, right side cover plate are provided with seal groove, seal with O-ring seal and main cavity.
7., according to gas sensor calibration container according to claim 1, it is characterized in that:
Described gas outlet and three through holes are connected by screw, and both are sealed by O-ring seal.
8., according to gas sensor calibration container according to claim 1, it is characterized in that:
Described insulating disc is connected with O-ring seal by screw with right side cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505880.3U CN204065059U (en) | 2014-09-03 | 2014-09-03 | Gas sensor calibration container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420505880.3U CN204065059U (en) | 2014-09-03 | 2014-09-03 | Gas sensor calibration container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065059U true CN204065059U (en) | 2014-12-31 |
Family
ID=52206544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420505880.3U Active CN204065059U (en) | 2014-09-03 | 2014-09-03 | Gas sensor calibration container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065059U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353092A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Gas sensor calibrating container |
| CN105353090A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Gas sensor calibration container capable of being sealed |
| CN105353091A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Multifunctional gas sensor calibration container |
| CN105403671A (en) * | 2015-11-24 | 2016-03-16 | 广西电网有限责任公司电力科学研究院 | Calibration device for gas concentration detection instrument |
| CN105974062A (en) * | 2016-06-03 | 2016-09-28 | 中国矿业大学 | Gas sensor calibration device and calibration method thereof |
| CN108318619A (en) * | 2017-12-14 | 2018-07-24 | 北京航天易联科技发展有限公司 | A kind of gas sensor low-pressure gas concentration calibration device and scaling method |
| CN109991370A (en) * | 2019-03-22 | 2019-07-09 | 上海市计量测试技术研究院 | A kind of calibrating installation and method for diffusion type methylene oxide detecting instrument |
-
2014
- 2014-09-03 CN CN201420505880.3U patent/CN204065059U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403671A (en) * | 2015-11-24 | 2016-03-16 | 广西电网有限责任公司电力科学研究院 | Calibration device for gas concentration detection instrument |
| CN105353092A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Gas sensor calibrating container |
| CN105353090A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Gas sensor calibration container capable of being sealed |
| CN105353091A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Multifunctional gas sensor calibration container |
| CN105353091B (en) * | 2015-11-30 | 2017-05-10 | 无锡拓能自动化科技有限公司 | Multifunctional gas sensor calibration container |
| CN105974062A (en) * | 2016-06-03 | 2016-09-28 | 中国矿业大学 | Gas sensor calibration device and calibration method thereof |
| CN108318619A (en) * | 2017-12-14 | 2018-07-24 | 北京航天易联科技发展有限公司 | A kind of gas sensor low-pressure gas concentration calibration device and scaling method |
| CN109991370A (en) * | 2019-03-22 | 2019-07-09 | 上海市计量测试技术研究院 | A kind of calibrating installation and method for diffusion type methylene oxide detecting instrument |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |