CN104090074A - Calibration gas circuit board and gas sensor module calibration device - Google Patents
Calibration gas circuit board and gas sensor module calibration device Download PDFInfo
- Publication number
- CN104090074A CN104090074A CN201410319951.5A CN201410319951A CN104090074A CN 104090074 A CN104090074 A CN 104090074A CN 201410319951 A CN201410319951 A CN 201410319951A CN 104090074 A CN104090074 A CN 104090074A
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- gas
- demarcation
- path plate
- gas path
- circuit board
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Abstract
The invention provides a calibration gas circuit board, and also provides a gas sensor module calibration device provided with the calibration gas circuit board. At least one calibration gas cavity is formed in the calibration gas circuit board; M module connection gas nozzles, gas inlets and gas outlets which correspond to and are communicated with the calibration gas cavities are respectively formed in the calibration gas circuit board, and M is a natural number. The gas sensor module calibration device provided with the calibration gas circuit board can simultaneously implement calibration on multiple sensor modules; due to the batch calibration work, the waste of calibration gas is reduced, and the working efficiency is improved; the calibration gas circuit board and the gas sensor module calibration device have the advantages of scientific design, resource conservation, high working efficiency and high automation degree.
Description
Technical field
The present invention relates to a kind of gas path plate of demarcating, also relate to a kind of gas sensor module caliberating device with this demarcation gas path plate mechanism.
Background technology
Existing gas sensor module caliberating device is generally that independent demarcation cavity carries out single demarcation to sensor assembly, before each demarcation, all demarcates cavity with gas displacement, after demarcating the gas emptying of remnants in cavity or dispose.There is inefficiency in this caliberating device, waste gas resource, is unsuitable for the shortcoming that mass is demarcated.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, thereby a kind of gas path plate of demarcating is provided, a kind of gas sensor module caliberating device with this demarcation gas path plate mechanism is also provided.
To achieve these goals, the technical solution adopted in the present invention is: a kind of gas path plate of demarcating, in this demarcation gas path plate, be provided with at least one and demarcate air cavity, on described demarcation gas path plate, be provided with M module corresponding with each described demarcation air cavity and that be communicated with respectively and connect valve, air intake opening and gas outlet, M is natural number.
Based on above-mentioned, described demarcation gas path plate comprises gas path plate, sealing gasket and gas circuit pressing plate, described gas path plate bottom surface offers gas circuit groove, and described gas circuit pressing plate is pressed on described gas path plate bottom surface by described sealing gasket so that described gas circuit groove forms described demarcation air cavity; Described air intake opening and described gas outlet are opened in respectively on described gas path plate, and described module connects valve and is opened on described gas circuit pressing plate.
Based on above-mentioned, described air intake opening and described the gas outlet respectively described demarcation air cavity corresponding with it two far-ends are communicated with, and M described module connects valve and arrange along the described demarcation air cavity interval of its correspondence.
Based on above-mentioned, described demarcation air cavity is long annular.
A kind of gas sensor module caliberating device, it comprises described demarcation gas path plate and gas Calibration Circuit plate, described Demarcate Gas circuit board comprises N modular circuit inserting groove and the Calibration Circuit being connected with N described modular circuit inserting groove respectively, module connection valve on described demarcation gas path plate and the modular circuit inserting groove corresponding setting one by one on described Demarcate Gas circuit board, N is the integral multiple of M.
Based on above-mentioned, it also comprises support body and cylinder, on described support body, be provided with vertical slideway, described demarcation gas path plate is arranged in the vertical slideway of described support body, described cylinder block is and is vertically fixed on described support body top, the expansion link outer end of described cylinder connects the top of described demarcation gas path plate, and described Demarcate Gas circuit board is arranged on the below of described demarcation gas path plate.
Based on above-mentioned, described support body bottom is provided with tray drawn along axis type frame, on described tray drawn along axis type frame, pull pallet is installed, and described Demarcate Gas circuit board is arranged on described pull pallet.
Based on above-mentioned, described support body bottom is provided with tray drawn along axis type frame, on described tray drawn along axis type frame, pull pallet is installed; Described Demarcate Gas circuit board comprises the plugboard that is provided with N described modular circuit inserting groove and the Calibration Circuit plate that is provided with described Calibration Circuit, and described plugboard is connected with inserting mode with described Calibration Circuit plate; The plugboard of described Demarcate Gas circuit board is arranged on described pull pallet, and the Calibration Circuit plate of described Demarcate Gas circuit board is arranged on described support body bottom setting corresponding to described plugboard.
The relative prior art of the present invention has substantive distinguishing features and progress, specifically, demarcation gas path plate of the present invention makes gas sensor module caliberating device complete the demarcation of multiple sensor assemblies simultaneously, and mass is processed staking-out work, reduce the waste of gas, and improved work efficiency; Furtherly, gas sensor module caliberating device of the present invention utilizes the whole staking-out work that coordinated of cylinder and slideway, has improved the automaticity of device and the efficiency of demarcation; It has advantages of design science, saving resource, work efficiency is high and automaticity is high.
Brief description of the drawings
Fig. 1 is the structural representation of demarcation gas path plate of the present invention.
Fig. 2 be in Fig. 1 along A-A to sectional view.
Fig. 3 is the structural representation of gas sensor module caliberating device of the present invention.
Fig. 4 is the structural representation of Demarcate Gas circuit board and pull pallet.
In figure: 22. gas path plates, 222. air intake openings, 224. gas outlets, 226. gas circuit grooves, 24. sealing gaskets, 26. gas circuit pressing plates, 262. modules connect valve, 264. O-ring seals, 4. gas-tpe fitting, 62. plugboards, 64. Calibration Circuit plate, 7. gas sensor modules, 8. support body, 82. cylinders, 84. slideways, 842. slideway card extenders, 86. tray drawn along axis type framves, 88. pull pallets.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
As shown in Figure 1 and Figure 2, a kind of gas path plate of demarcating, in this demarcation gas path plate, be provided with four and demarcate air cavity, on described demarcation gas path plate, be provided with 12 modules corresponding with each described demarcation air cavity and that be communicated with respectively and connect 222 and 1 gas outlet 224 of 262,1 air intake opening of valve.The corresponding described module of described demarcation gas path plate connects valve 262 and is provided with O-ring seal 264, the sealing when ensureing that described module connects valve 262 and is connected with gas sensor module; On described demarcation gas path plate, corresponding described air intake opening 222 and gas outlet 224 are provided with gas-tpe fitting 4, also can on described gas-tpe fitting 4, valve be set as required, for the opening and closing of described air intake opening 222 and gas outlet 224.
In the present embodiment, provide a kind of concrete structure of demarcating gas path plate: described demarcation gas path plate comprises gas path plate 22, sealing gasket 24 and gas circuit pressing plate 26, described gas path plate 22 bottom surfaces offer gas circuit groove 226, and described gas circuit pressing plate 26 is pressed on described gas path plate 22 bottom surfaces so that described gas circuit groove 226 forms described demarcation air cavity by described sealing gasket 24; Described air intake opening 222 and described gas outlet 224 are opened in respectively on described gas path plate 22, and described module connects valve 262 and is opened on described gas circuit pressing plate 26.
Described demarcation air cavity is long annular, demarcate consistance and the accuracy of effect in order to utilize to greatest extent gas guarantee, described air intake opening 222 and described gas outlet 224 are separately positioned on the described long annular center, two ends of demarcating air cavity apart from each other, and 12 described modules connect valves 262 and are divided into two parts and arrange at a distance of nearer interval, two ends along described long annular demarcation air cavity respectively.Gas is divided into two-way from described air intake opening 222 enters described demarcation air cavity, and every road sign gas leaves described demarcation air cavity from described gas outlet 224 after demarcating 6 gas sensor modules.
As shown in Figure 1 to 4, a kind of gas sensor module caliberating device, it comprises described demarcation gas path plate and gas Calibration Circuit plate, described Demarcate Gas circuit board comprises 48 modular circuit inserting grooves and the Calibration Circuit being connected with 48 described modular circuit inserting grooves respectively, the module connection valve 262 on described demarcation gas path plate and the modular circuit inserting groove corresponding setting one by one on described Demarcate Gas circuit board.Gas sensor module caliberating device in the present embodiment completes the demarcation of 48 sensor assemblies simultaneously, and mass is processed staking-out work, has reduced the waste of gas, and has improved work efficiency.
Described gas sensor module caliberating device also comprises support body 8 and cylinder 82, on described support body 8, be provided with vertical slideway 84, between described support body 8 and described demarcation gas path plate, be provided with slideway card extender 842, described demarcation gas path plate is arranged in described vertical slideway 84 by described slideway card extender 842; Described cylinder 82 cylinder bodies are and are vertically fixed on described support body 8 tops, and the expansion link outer end of described cylinder 82 connects the top of described demarcation gas path plate, and described Demarcate Gas circuit board is arranged on the below of described demarcation gas path plate.Described cylinder 82 can drive on described demarcation gas path plate and move or move down, and makes described module connect valve 262 and leaves or compress described gas sensor module.Described gas sensor module caliberating device utilizes the whole staking-out work that coordinated of cylinder 82 and slideway 84, improves automaticity and the work efficiency of whole device.
In order to facilitate the demarcation of gas sensor module and to protect described Demarcate Gas circuit board, described support body 8 bottoms are provided with tray drawn along axis type frame 86, on described tray drawn along axis type frame, pull pallet 88 are installed; Described Demarcate Gas circuit board comprises the plugboard 62 that is provided with 48 described modular circuit inserting grooves and the Calibration Circuit plate 64 that is provided with described Calibration Circuit, and described plugboard 62 is connected with inserting mode with described Calibration Circuit plate 64; The plugboard 62 of described Demarcate Gas circuit board is arranged on described pull pallet 88, and the Calibration Circuit plate 64 of described Demarcate Gas circuit board is arranged on described support body 8 bottoms setting corresponding to described plugboard 62.Described Demarcate Gas circuit board is split-type structural in the present embodiment, and described Demarcate Gas circuit board can be integral structure in other embodiments, and described Demarcate Gas circuit board is arranged on described pull pallet.
Before demarcation, cylinder 82 drives demarcates gas path plate along moving on slideway 84, pulls out pull pallet 88, gas sensor module 7 is inserted on plugboard 62, push away dress pull pallet 88 and put in place, plugboard 62 and Calibration Circuit plate 64 are pegged graft, and gas Calibration Circuit plate is electrically connected with demarcation processor.Timing signal, cylinder 82 drives demarcation gas path plate to move down along slideway 84, module connects valve 262 and is pressed on gas sensor module 7, the valve of opening respectively air intake opening 222 and gas outlet 224 is filled with gas substitution gas sensor assembly and demarcates air cavity, after replacement completion, close the valve of gas outlet 224, continue to be filled with gas and demarcate.Demarcate and finish, first close the valve of air intake opening 222, by gas emptying remaining in the demarcation air cavity of demarcation gas path plate, close again the valve of gas outlet 224, cylinder 82 drives demarcates gas path plate along moving on slideway 84, module connects valve 262 and leaves gas sensor module 7, pulls out pull pallet 88, and gas sensor module 7 is extracted from plugboard 62.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request protection of the present invention.
Claims (8)
1. demarcate gas path plate for one kind, it is characterized in that: in this demarcation gas path plate, be provided with at least one and demarcate air cavity, on described demarcation gas path plate, be provided with M module corresponding with each described demarcation air cavity and that be communicated with respectively and connect valve, air intake opening and gas outlet, M is natural number.
2. demarcation gas path plate according to claim 1, it is characterized in that: described demarcation gas path plate comprises gas path plate, sealing gasket and gas circuit pressing plate, described gas path plate bottom surface offers gas circuit groove, and described gas circuit pressing plate is pressed on described gas path plate bottom surface by described sealing gasket so that described gas circuit groove forms described demarcation air cavity; Described air intake opening and described gas outlet are opened in respectively on described gas path plate, and described module connects valve and is opened on described gas circuit pressing plate.
3. demarcation gas path plate according to claim 1 and 2, is characterized in that: described air intake opening and described the gas outlet respectively described demarcation air cavity corresponding with it two far-ends are communicated with, and M described module connects valve and arrange along the described demarcation air cavity interval of its correspondence.
4. demarcation gas path plate according to claim 1 and 2, is characterized in that: described demarcation air cavity is long annular.
5. a gas sensor module caliberating device, it is characterized in that: it comprises demarcation gas path plate and gas Calibration Circuit plate described in claim 1-4 any one, described Demarcate Gas circuit board comprises N modular circuit inserting groove and the Calibration Circuit being connected with N described modular circuit inserting groove respectively, module connection valve on described demarcation gas path plate and the modular circuit inserting groove corresponding setting one by one on described Demarcate Gas circuit board, N is the integral multiple of M.
6. gas sensor module caliberating device according to claim 5, it is characterized in that: it also comprises support body and cylinder, on described support body, be provided with vertical slideway, described demarcation gas path plate is arranged in the vertical slideway of described support body, described cylinder block is and is vertically fixed on described support body top, the expansion link outer end of described cylinder connects the top of described demarcation gas path plate, and described Demarcate Gas circuit board is arranged on the below of described demarcation gas path plate.
7. gas sensor module caliberating device according to claim 6, it is characterized in that: described support body bottom is provided with tray drawn along axis type frame, on described tray drawn along axis type frame, pull pallet is installed, described Demarcate Gas circuit board is arranged on described pull pallet.
8. gas sensor module caliberating device according to claim 6, is characterized in that: described support body bottom is provided with tray drawn along axis type frame, on described tray drawn along axis type frame, pull pallet is installed; Described Demarcate Gas circuit board comprises the plugboard that is provided with N described modular circuit inserting groove and the Calibration Circuit plate that is provided with described Calibration Circuit, and described plugboard is connected with inserting mode with described Calibration Circuit plate; The plugboard of described Demarcate Gas circuit board is arranged on described pull pallet, and the Calibration Circuit plate of described Demarcate Gas circuit board is arranged on described support body bottom setting corresponding to described plugboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410319951.5A CN104090074A (en) | 2014-07-08 | 2014-07-08 | Calibration gas circuit board and gas sensor module calibration device |
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| CN201410319951.5A CN104090074A (en) | 2014-07-08 | 2014-07-08 | Calibration gas circuit board and gas sensor module calibration device |
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Cited By (12)
| 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 |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
| CN107462675A (en) * | 2017-07-31 | 2017-12-12 | 摩瑞尔电器（昆山）有限公司 | Environmental detection set with integral sensor protective cover |
| CN107589170A (en) * | 2017-10-10 | 2018-01-16 | 浙江富春江环保科技研究有限公司 | Trace organic substance detection automation air-channel system for bioxin detection device |
| CN107672621A (en) * | 2017-09-25 | 2018-02-09 | 中车青岛四方车辆研究所有限公司 | Gas path plate and preparation method thereof |
| CN108318638A (en) * | 2018-05-11 | 2018-07-24 | 南京简诺特智能科技有限公司 | A kind of standardization of solution device |
| CN108918788A (en) * | 2018-09-06 | 2018-11-30 | 汉威科技集团股份有限公司 | The finished product mark checking device and mark check system of detector |
| CN109323797A (en) * | 2018-10-25 | 2019-02-12 | 中国科学院电子学研究所 | Silicon resonance pressure sensor automatic calibration system and scaling method |
| CN109738591A (en) * | 2019-02-20 | 2019-05-10 | 苏州曼德克光电有限公司 | A kind of gas alarm device caliberating device |
| CN110455984A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | Gas concentration sensor caliberating device and method |
| CN111308018A (en) * | 2020-03-14 | 2020-06-19 | 深圳聚德寿科技有限公司 | Nitrogen-oxygen sensor calibration test system and operation method |
| CN113109510A (en) * | 2021-03-25 | 2021-07-13 | 山东瑶安电子科技发展有限公司 | Calibration device for gas sensor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990004174A1 (en) * | 1988-10-05 | 1990-04-19 | Franklin Instruments Inc. | Device for calibration of gas sensors |
| US5293770A (en) * | 1988-07-21 | 1994-03-15 | Radiometer A/S | Calibration device for use in calibrating a sensor |
| CN1431291A (en) * | 2003-01-10 | 2003-07-23 | 利马高科（成都）有限公司 | Device for automatic detecting fermentation storehouses |
| CN1479869A (en) * | 2000-12-11 | 2004-03-03 | ķ����ά | Gas sensor calibration system |
| CN2729720Y (en) * | 2004-08-02 | 2005-09-28 | 天津港保税区鑫利达石油技术发展有限公司 | Probe of sensor and multipoint investigator |
| CN201503427U (en) * | 2009-10-12 | 2010-06-09 | 唐山开诚机器人制造有限公司 | Lifting type detecting mechanism for coal mine underground robotic explorer |
| CN102445474A (en) * | 2011-11-22 | 2012-05-09 | 河南汉威电子股份有限公司 | Gas detector, identification method of sensor thereof, and sensor connection detection method |
| CN103217320A (en) * | 2012-01-19 | 2013-07-24 | 深圳迈瑞生物医疗电子股份有限公司 | Gas processing apparatus and medical equipment |
| CN203259458U (en) * | 2013-04-16 | 2013-10-30 | 北京康拓科技有限公司 | Calibrating system for infrared methane sensor |
| CN103399343A (en) * | 2013-07-30 | 2013-11-20 | 刘天放 | Movable sensor insertion device |
| CN103852095A (en) * | 2012-11-29 | 2014-06-11 | 霍尼韦尔国际公司 | Gas detection management system with replacement modules |
| CN204116300U (en) * | 2014-07-08 | 2015-01-21 | 河南汉威电子股份有限公司 | Demarcate gas path plate and gas sensor module caliberating device |
-
2014
- 2014-07-08 CN CN201410319951.5A patent/CN104090074A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5293770A (en) * | 1988-07-21 | 1994-03-15 | Radiometer A/S | Calibration device for use in calibrating a sensor |
| WO1990004174A1 (en) * | 1988-10-05 | 1990-04-19 | Franklin Instruments Inc. | Device for calibration of gas sensors |
| CN1479869A (en) * | 2000-12-11 | 2004-03-03 | ķ����ά | Gas sensor calibration system |
| CN1431291A (en) * | 2003-01-10 | 2003-07-23 | 利马高科（成都）有限公司 | Device for automatic detecting fermentation storehouses |
| CN2729720Y (en) * | 2004-08-02 | 2005-09-28 | 天津港保税区鑫利达石油技术发展有限公司 | Probe of sensor and multipoint investigator |
| CN201503427U (en) * | 2009-10-12 | 2010-06-09 | 唐山开诚机器人制造有限公司 | Lifting type detecting mechanism for coal mine underground robotic explorer |
| CN102445474A (en) * | 2011-11-22 | 2012-05-09 | 河南汉威电子股份有限公司 | Gas detector, identification method of sensor thereof, and sensor connection detection method |
| CN103217320A (en) * | 2012-01-19 | 2013-07-24 | 深圳迈瑞生物医疗电子股份有限公司 | Gas processing apparatus and medical equipment |
| CN103852095A (en) * | 2012-11-29 | 2014-06-11 | 霍尼韦尔国际公司 | Gas detection management system with replacement modules |
| CN203259458U (en) * | 2013-04-16 | 2013-10-30 | 北京康拓科技有限公司 | Calibrating system for infrared methane sensor |
| CN103399343A (en) * | 2013-07-30 | 2013-11-20 | 刘天放 | Movable sensor insertion device |
| CN204116300U (en) * | 2014-07-08 | 2015-01-21 | 河南汉威电子股份有限公司 | Demarcate gas path plate and gas sensor module caliberating device |
Cited By (14)
| 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 |
| CN105572307A (en) * | 2016-01-28 | 2016-05-11 | 河北先河环保科技股份有限公司 | Calibration tool for gas sensors and calibration method |
| CN107462675A (en) * | 2017-07-31 | 2017-12-12 | 摩瑞尔电器（昆山）有限公司 | Environmental detection set with integral sensor protective cover |
| CN107672621A (en) * | 2017-09-25 | 2018-02-09 | 中车青岛四方车辆研究所有限公司 | Gas path plate and preparation method thereof |
| CN107589170A (en) * | 2017-10-10 | 2018-01-16 | 浙江富春江环保科技研究有限公司 | Trace organic substance detection automation air-channel system for bioxin detection device |
| CN107589170B (en) * | 2017-10-10 | 2023-08-08 | 浙江富春江环保科技研究有限公司 | Trace organic matter detection automatic gas circuit system for dioxin detection equipment |
| CN110455984A (en) * | 2018-05-07 | 2019-11-15 | 中国石油化工股份有限公司 | Gas concentration sensor caliberating device and method |
| CN108318638A (en) * | 2018-05-11 | 2018-07-24 | 南京简诺特智能科技有限公司 | A kind of standardization of solution device |
| CN108918788A (en) * | 2018-09-06 | 2018-11-30 | 汉威科技集团股份有限公司 | The finished product mark checking device and mark check system of detector |
| CN109323797A (en) * | 2018-10-25 | 2019-02-12 | 中国科学院电子学研究所 | Silicon resonance pressure sensor automatic calibration system and scaling method |
| CN109738591A (en) * | 2019-02-20 | 2019-05-10 | 苏州曼德克光电有限公司 | A kind of gas alarm device caliberating device |
| CN111308018A (en) * | 2020-03-14 | 2020-06-19 | 深圳聚德寿科技有限公司 | Nitrogen-oxygen sensor calibration test system and operation method |
| CN111308018B (en) * | 2020-03-14 | 2024-01-05 | 深圳聚德寿科技有限公司 | Nitrogen-oxygen sensor calibration test system and operation method |
| CN113109510A (en) * | 2021-03-25 | 2021-07-13 | 山东瑶安电子科技发展有限公司 | Calibration device for gas sensor |
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