CN103616038B - A kind of anti-explosion sensor module - Google Patents
A kind of anti-explosion sensor module Download PDFInfo
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- CN103616038B CN103616038B CN201310699584.1A CN201310699584A CN103616038B CN 103616038 B CN103616038 B CN 103616038B CN 201310699584 A CN201310699584 A CN 201310699584A CN 103616038 B CN103616038 B CN 103616038B
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- safety barrier
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Abstract
The invention discloses a kind of anti-explosion sensor module, the metal shell comprising band flame proof thread and the safety barrier circuit, coupled circuit and the intrinsically safe circuit that are arranged in metal shell, circuit two ends adopt enclosing foam to close, epoxy pouring sealant is filled respectively between circuit and metal shell, anti-explosion sensor module is also provided with interface modular converter near the side of the joint of electrochemical sensor, fill epoxy pouring sealant between the enclosing foam of interface modular converter and intrinsically safe circuit port, metal shell and explosion-proof casing connecting place adopt quick hardening cement to fill.Anti-explosion sensor module of the present invention solves electrochemical sensor can not be directly installed on problem on explosion-proof casing, enables electrochemical sensor measure signal on explosion-proof casing, enhances the practicality of electrochemical sensor.Encapsulating method of the present invention efficiently solves the problem because producing stress and damaged line plate during glue curing.
Description
Technical field
The present invention relates to a kind of sensor assembly, especially a kind of anti-explosion sensor module.
Background technology
Current, a lot of oil, chemical industry, in order to the safety of producing, gas leak detection instrument is all installed, in these detection instrument, part is had to use electrochemical sensor, especially detecting toxic gas, as H2S, CO etc., is electrochemical sensor device greatly, use the detecting devices of electrochemical sensor, have stable, reliable advantage.
But electrochemical sensor belongs to the safety device of intrinsic safety character, can not be directly installed on explosion-proof casing, a kind of anti-explosion sensor module need be had to connect.
Summary of the invention
For the problems referred to above that electrochemical sensor of the present invention in prior art exists, the invention provides a kind of anti-explosion sensor module be coupled between electrochemical sensor and explosion-proof casing.
Technical scheme of the present invention is as follows:
A kind of anti-explosion sensor module, described anti-explosion sensor module is arranged between electrochemical sensor and explosion-proof casing, the metal shell comprising band flame proof thread and the safety barrier circuit be arranged in metal shell, coupled circuit and intrinsically safe circuit, and safety barrier circuit, coupled circuit, the two ends of intrinsically safe circuit adopt enclosing foam to close, safety barrier circuit, coupled circuit, epoxy pouring sealant is filled respectively between intrinsically safe circuit and metal shell, anti-explosion sensor module is also provided with interface modular converter near the side of the joint of electrochemical sensor, epoxy pouring sealant is filled between the enclosing foam of interface modular converter and intrinsically safe circuit port, metal shell and explosion-proof casing connecting place adopt quick hardening cement to fill.
As a further improvement on the present invention, described safety barrier circuit, coupled circuit, intrinsically safe circuit set gradually near explosion-proof casing end near electrochemical sensor end, the second enclosing foam is adopted to close between safety barrier circuit and coupled circuit, the opposite side of safety barrier circuit adopts the first enclosing foam to close, adopt the 3rd enclosing foam to close between coupled circuit and intrinsically safe circuit, the opposite side of intrinsically safe circuit adopts the 4th enclosing foam to close.
As a further improvement on the present invention, 3rd epoxy pouring sealant is set between described safety barrier circuit and metal shell, high strength casting glue is set between coupled circuit and metal shell, second epoxy pouring sealant is set between intrinsically safe circuit and metal shell, is separated by enclosing foam between the 3rd epoxy pouring sealant, high strength casting glue, the second epoxy pouring sealant.
The invention has the beneficial effects as follows:
1, a kind of anti-explosion sensor module of the present invention overcomes in prior art and causes due to the intrinsic safety character of electrochemical sensor it can not be directly installed on problem on explosion-proof casing, enable electrochemical sensor measure signal on explosion-proof casing, enhance the practicality of electrochemical sensor.
2, the present invention adopts the embedding of segmentation encapsulating method, and first fills closed-cell foam material every section of embedding junction, efficiently solves the problem because producing stress and damaged line plate during glue curing.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of a kind of explosion-proof sensor of the present invention.
In figure: 1, the first enclosing foam; 2, metal shell; 3, the second enclosing foam; 4, the 3rd enclosing foam; 5, the 4th enclosing foam; 6, interface modular converter; 7, sensor fixed housing; 8, joint; 9, the first epoxy pouring sealant; 10, the second epoxy pouring sealant; 11, intrinsically safe circuit; 12, high strength casting glue; 13, coupled circuit; 14, the 3rd epoxy pouring sealant; 15, safety barrier circuit; 16, quick hardening cement; 17, explosion-proof casing.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
The structure of a kind of anti-explosion sensor module of the present invention as shown in Figure 1, this anti-explosion sensor module is arranged between electrochemical sensor and explosion-proof casing 17, it metal shell 2 comprising band flame proof thread and the safety barrier circuit 15 be arranged in metal shell 2, coupled circuit 13 and intrinsically safe circuit 11, and safety barrier circuit 15, coupled circuit 13, the two ends of intrinsically safe circuit 11 adopt enclosing foam to close, safety barrier circuit 15, coupled circuit 13, epoxy pouring sealant is filled respectively between intrinsically safe circuit 11 and metal shell 2, anti-explosion sensor module is also provided with interface modular converter 6 near the side of the joint 8 of electrochemical sensor, epoxy pouring sealant is filled between the enclosing foam of interface modular converter 6 and intrinsically safe circuit 11 port, metal shell 2 and explosion-proof casing 17 connecting place adopt quick hardening cement 16 to fill.
As one of the preferred embodiments of the present invention, the encapsulating structure of safety barrier circuit 15, coupled circuit 13, intrinsically safe circuit 11 is, set gradually near explosion-proof casing end near electrochemical sensor end, the second enclosing foam 3 is adopted to close between safety barrier circuit 15 and coupled circuit 13, the opposite side of safety barrier circuit 15 adopts the first enclosing foam 1 to close, adopt the 3rd enclosing foam 4 to close between coupled circuit 13 and intrinsically safe circuit 11, the opposite side of intrinsically safe circuit 11 adopts the 4th enclosing foam 5 to close.
As another preferred embodiment of the present invention, 3rd epoxy pouring sealant 14 is set between safety barrier circuit 15 and metal shell 2, high strength casting glue 12 is set between coupled circuit 13 and metal shell 2, arrange between intrinsically safe circuit 11 and metal shell 2 between second epoxy pouring sealant the 10, three epoxy pouring sealant 14, high strength casting glue 12, second epoxy pouring sealant 10 and separated by enclosing foam.
Anti-explosion sensor module of the present invention adopts the embedding of segmentation encapsulating method, and first fills closed-cell foam material every section of embedding junction, produces stress during to alleviate glue curing.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. an anti-explosion sensor module, described anti-explosion sensor module is arranged between electrochemical sensor and explosion-proof casing (17), it is characterized in that: the metal shell (2) comprising band flame proof thread and the safety barrier circuit (15) be arranged in metal shell (2), coupled circuit (13) and intrinsically safe circuit (11), and safety barrier circuit (15), coupled circuit (13), the two ends of intrinsically safe circuit (11) adopt enclosing foam to close, safety barrier circuit (15), coupled circuit (13), epoxy pouring sealant is filled respectively between intrinsically safe circuit (11) and metal shell (2), anti-explosion sensor module is also provided with interface modular converter (6) near the side of the joint (8) of electrochemical sensor, epoxy pouring sealant is filled between the enclosing foam of interface modular converter (6) and intrinsically safe circuit (11) port, metal shell (2) and explosion-proof casing (17) connecting place adopt quick hardening cement (16) to fill, described safety barrier circuit (15), coupled circuit (13), intrinsically safe circuit (11) sets gradually near explosion-proof casing end near electrochemical sensor end, the second enclosing foam (3) is adopted to close between safety barrier circuit (15) and coupled circuit (13), the opposite side of safety barrier circuit (15) adopts the first enclosing foam (1) to close, the 3rd enclosing foam (4) is adopted to close between coupled circuit (13) and intrinsically safe circuit (11), the opposite side of intrinsically safe circuit (11) adopts the 4th enclosing foam (5) to close, 3rd epoxy pouring sealant (14) is set between described safety barrier circuit (15) and metal shell (2), high strength casting glue (12) is set between coupled circuit (13) and metal shell (2), arrange the second epoxy pouring sealant (10) between intrinsically safe circuit (11) and metal shell (2), the 3rd epoxy pouring sealant (14), high strength casting glue (12), the second epoxy pouring sealant are separated by enclosing foam between (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699584.1A CN103616038B (en) | 2013-12-19 | 2013-12-19 | A kind of anti-explosion sensor module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699584.1A CN103616038B (en) | 2013-12-19 | 2013-12-19 | A kind of anti-explosion sensor module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103616038A CN103616038A (en) | 2014-03-05 |
| CN103616038B true CN103616038B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310699584.1A Active CN103616038B (en) | 2013-12-19 | 2013-12-19 | A kind of anti-explosion sensor module |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422070A (en) * | 2017-05-17 | 2017-12-01 | 南京艾伊科技有限公司 | A kind of gas detection transducer with sensor hot plug design |
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| JP2003089561A (en) * | 2001-09-14 | 2003-03-28 | Taiheiyo Cement Corp | Method for producing bursting resistant high strength cement hardened body |
| CN200997526Y (en) * | 2006-07-31 | 2007-12-26 | 天津开发区博泰自动控制技术有限公司 | Zener safty grid |
| CN102855677A (en) * | 2012-09-18 | 2013-01-02 | 深圳市神拓机电设备有限公司 | Mining flameproof and intrinsically safe access controller |
| CN103105992A (en) * | 2012-11-12 | 2013-05-15 | 天津市隆电电气工程有限公司 | Anti-explosion touch screen |
| CN203324745U (en) * | 2013-08-01 | 2013-12-04 | 宝鸡天汇机电有限公司 | Compound explosion-proof electronic switch |
| CN203615947U (en) * | 2013-12-19 | 2014-05-28 | 无锡格林通安全装备有限公司 | An explosion-proof sensor module |
-
2013
- 2013-12-19 CN CN201310699584.1A patent/CN103616038B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003089561A (en) * | 2001-09-14 | 2003-03-28 | Taiheiyo Cement Corp | Method for producing bursting resistant high strength cement hardened body |
| CN200997526Y (en) * | 2006-07-31 | 2007-12-26 | 天津开发区博泰自动控制技术有限公司 | Zener safty grid |
| CN102855677A (en) * | 2012-09-18 | 2013-01-02 | 深圳市神拓机电设备有限公司 | Mining flameproof and intrinsically safe access controller |
| CN103105992A (en) * | 2012-11-12 | 2013-05-15 | 天津市隆电电气工程有限公司 | Anti-explosion touch screen |
| CN203324745U (en) * | 2013-08-01 | 2013-12-04 | 宝鸡天汇机电有限公司 | Compound explosion-proof electronic switch |
| CN203615947U (en) * | 2013-12-19 | 2014-05-28 | 无锡格林通安全装备有限公司 | An explosion-proof sensor module |
Non-Patent Citations (1)
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| 本质安全型电感式传感器的设计;魏宝芝等;《电气防爆》;20090331(第1期);第23-25页 * |
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| CN103616038A (en) | 2014-03-05 |
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