CN102374921A - Intrinsic safety type pressure sensor for mine - Google Patents
Intrinsic safety type pressure sensor for mine Download PDFInfo
- Publication number
- CN102374921A CN102374921A CN2011103672755A CN201110367275A CN102374921A CN 102374921 A CN102374921 A CN 102374921A CN 2011103672755 A CN2011103672755 A CN 2011103672755A CN 201110367275 A CN201110367275 A CN 201110367275A CN 102374921 A CN102374921 A CN 102374921A
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- outer cover
- stainless steel
- steel outer
- intrinsic safety
- type pressure
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Abstract
The invention discloses an intrinsic safety type pressure sensor for mine, which comprises a matrix assembly and a rear assembly, wherein the matrix assembly and the rear cover assembly are connected into a whole through a stainless steel outer cover, the matrix assembly comprises an integrated sensing assembly and a circuit board, the rear end of the integrated sensing assembly extends into the outer cover, the integrated sensing assembly is formed by a sensitive element cladded by a base, the circuit board is arranged in a cavity at the middle of the outer cover and electrically connected with a sensitive element, a location sleeve is arranged between the base and the stainless steel outer cover and riveted with the circuit board into a whole, the rear cover assembly comprises an electric plug connector fixed in the stainless steel outer cover, and the electric plug connector is electrically connected with the circuit board. The intrinsic safety type pressure sensor disclosed by the invention has the advantages of compact integrated structure, excellent sealing property, strong impact resistance, rapidness and convenient in installation, and misplug preventing function, and completely meets the use requirement of an underground fully-mechanized mining face.
Description
Technical field
The present invention relates to pressure transducer, especially relate to a kind of mine intrinsic safety type pressure transducer that fully-mechanized mining working uses under coal mine.
Background technology
Hydraulic support electrohydraulic control system is the core that coal mine fully-mechanized mining working is realized robotization control, and it can improve the production efficiency of fully-mechanized mining working greatly, guarantees the production that fully-mechanized mining working is efficient, safe, continuous, stable.Because the electrohydraulic control system of domestic use for a long time relies on external import, price is high, accessory is expensive, has seriously restricted popularizing of electrohydraulic control system.Continuous development along with the coal in China production technique; Improving constantly of fully-mechanized mining working robotization, mechanization degree; Electrohydraulic control system has progressively realized production domesticization; Wherein used pressure transducer is exactly one of them important element, and the collection value realizes accurately that to hydraulic support various automatic functions play an important role as the essential condition of this system's closed-loop control in the time of in fact.
Summary of the invention
The object of the present invention is to provide a kind of easy for installation, good airproof performance, shock resistance, can satisfy the mine intrinsic safety type pressure transducer of down-hole fully-mechanized mining working request for utilization.
For realizing above-mentioned purpose, the present invention can take following technical proposals:
Mine intrinsic safety type pressure transducer of the present invention comprises matrix component and rear case component, and said matrix component and rear case component combine as a whole through the stainless steel outer cover; Said matrix component comprises that the rear end deeply advances the integral type sensory package that the sensitive element that is coated by pedestal in the outer cover forms and be arranged on the circuit board that is electrically connected with sensitive element in the cavities in the outer cover; Be provided with locating sleeve between said pedestal and the stainless steel outer cover, said locating sleeve and circuit board riveted joint are one; Said rear case component comprises through binding ring and is fixed on the electrical connectors in the said stainless steel outer cover that said electrical connectors is electrically connected with said circuit board.
Sensitive element front end at said integral type sensory package is provided with damping element.
Described locating sleeve is made up of adapter sleeve and weldering circle, and the faying face between said adapter sleeve and the stainless steel outer cover is provided with O-ring seal.
Between the pedestal of said locating sleeve front end and stainless steel outer cover, be provided with the locking swivel nut, the faying face of said locking swivel nut and stainless steel outer cover is provided with O-ring seal.
Offer annular groove on the pedestal of said integral type sensory package front end.
The axis, stainless steel outer cover upper edge at said electrical connectors rear portion offers pilot hole, is provided with alignment pin in it.
For being spirally connected, be filled with casting glue in the toroidal cavity between said electrical connectors and binding ring between said binding ring and the stainless steel outer cover.
The invention has the advantages that compact overall structure, sealing property are good, impact resistance is strong, installs fast, convenient and anti-misplug function is arranged, and satisfies the request for utilization of down-hole fully mechanized coal face fully.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in the figure, mine intrinsic safety type pressure transducer of the present invention comprises matrix component and rear case component, and matrix component and rear case component combine as a whole through stainless steel outer cover 1; Matrix component comprises that the rear end deeply advances the integral type sensory package that the sensitive element 3 that is coated by stainless steel pedestal 2 in the outer cover 1 forms and be arranged on the circuit board 4 that is electrically connected with sensitive element 3 in the cavities in the outer cover 1; Be provided with locating sleeve between stainless steel pedestal 2 and the stainless steel outer cover 1, locating sleeve and circuit board 4 riveted joints are one; Rear case component comprises through binding ring 5 and is fixed on the electrical connectors 6 in the stainless steel outer cover 1 that electrical connectors 6 is electrically connected with circuit board 4.During manufacturing, adopt little molten technology that sensitive element 3 is coated in the stainless steel pedestal 2, improved the stability and the reliability of sensory package greatly, outer cover also adopts stainless steel to make simultaneously, and anticorrosive property is strong, can adapt to the moist abominable production operation environment in down-hole.
Sensitive element 3 front ends at the integral type sensory package are provided with damping element 7, can eliminate partial pressure and impact, and cause damage because of compression shock when avoiding sensor to use, and prolong the serviceable life of sensor.
Between the pedestal 2 of locating sleeve front end and stainless steel outer cover 1, be provided with locking swivel nut 8, locking swivel nut 8 is provided with O-ring seals with the faying face of stainless steel outer cover 1, and the product dismounting is convenient.
Locating sleeve is made up of adapter sleeve 9 and weldering circle 10, utilizes argon arc welding that both are welded together, and structure is more reasonable; Faying face between adapter sleeve 9 and the stainless steel outer cover 1 is provided with O-ring seal, has improved sealing effectiveness.
Offer annular groove 11 on the pedestal 2 of integral type sensory package front end, built-in O-ring seal during installation, be used for and equipment between sealing.
The axis, stainless steel outer cover 1 upper edge at electrical connectors 6 rear portions offers pilot hole, is provided with alignment pin 12 in it, makes it have anti-misplug function.
For being spirally connected, be filled with casting glue 13 in the toroidal cavity between electrical connectors 6 and binding ring 5 between binding ring 5 and the stainless steel outer cover 1, guarantee that fixation, sealing property are superior.
Claims (7)
1. a mine intrinsic safety type pressure transducer comprises matrix component and rear case component, and said matrix component and rear case component combine as a whole through stainless steel outer cover (1); It is characterized in that: said matrix component comprises that the rear end deeply advances integral type sensory package that the sensitive element (3) that is coated by pedestal (2) in the outer cover (1) forms and be arranged on the interior circuit board (4) that is electrically connected with sensitive element (3) of cavities in the outer cover (1); Be provided with locating sleeve between said pedestal (2) and the stainless steel outer cover (1), said locating sleeve and circuit board (4) riveted joint is one; Said rear case component comprises through binding ring (5) and is fixed on the electrical connectors (6) in the said stainless steel outer cover (1) that said electrical connectors (6) is electrically connected with said circuit board (4).
2. mine intrinsic safety type pressure transducer according to claim 1 is characterized in that: sensitive element (3) front end at said integral type sensory package is provided with damping element (7).
3. mine intrinsic safety type pressure transducer according to claim 1; It is characterized in that: between the pedestal (2) of said locating sleeve front end and stainless steel outer cover (1), be provided with locking swivel nut (8), said locking swivel nut (8) is provided with O-ring seal with the faying face of stainless steel outer cover (1).
4. according to claim 1 or 3 described mine intrinsic safety type pressure transducers; It is characterized in that: described locating sleeve is made up of adapter sleeve (9) and weldering circle (10), and the faying face between said adapter sleeve (9) and the stainless steel outer cover (1) is provided with O-ring seal.
5. mine intrinsic safety type pressure transducer according to claim 1 is characterized in that: offer annular groove (11) on the pedestal (2) of said integral type sensory package front end.
6. mine intrinsic safety type pressure transducer according to claim 1 is characterized in that: stainless steel outer cover (1) axis, upper edge at said electrical connectors (6) rear portion offers pilot hole, is provided with alignment pin (12) in it.
7. mine intrinsic safety type pressure transducer according to claim 1; It is characterized in that: for being spirally connected, be filled with casting glue (13) in the toroidal cavity between said electrical connectors (6) and binding ring (5) between said binding ring (5) and the stainless steel outer cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103672755A CN102374921A (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type pressure sensor for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103672755A CN102374921A (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type pressure sensor for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374921A true CN102374921A (en) | 2012-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103672755A Pending CN102374921A (en) | 2011-11-18 | 2011-11-18 | Intrinsic safety type pressure sensor for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102374921A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439389A (en) * | 2013-07-18 | 2013-12-11 | 无锡天润电子技术发展有限公司 | Intrinsically-safe electrochemical sensor assembly and sensor control method |
| CN105606293A (en) * | 2015-12-27 | 2016-05-25 | 邹城市云天工贸有限公司 | Mine intrinsically safe pressure detector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5134888A (en) * | 1989-11-11 | 1992-08-04 | Gewerkschaft Eisenhutte Westfalia Gmbh | Electrical devices for measuring hydraulic pressure |
| DE19545091A1 (en) * | 1995-12-04 | 1997-06-05 | Hydrostar Dipl Ing Rolf Oehler | Measuring apparatus with pressure sensor in protected sleeve |
| CN201909698U (en) * | 2011-01-11 | 2011-07-27 | 郑州煤矿机械集团股份有限公司 | Mine intrinsic safety type pressure sensor |
| CN202329917U (en) * | 2011-11-18 | 2012-07-11 | 郑州煤矿机械集团股份有限公司 | Mining intrinsically-safe pressure sensor |
-
2011
- 2011-11-18 CN CN2011103672755A patent/CN102374921A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5134888A (en) * | 1989-11-11 | 1992-08-04 | Gewerkschaft Eisenhutte Westfalia Gmbh | Electrical devices for measuring hydraulic pressure |
| DE19545091A1 (en) * | 1995-12-04 | 1997-06-05 | Hydrostar Dipl Ing Rolf Oehler | Measuring apparatus with pressure sensor in protected sleeve |
| CN201909698U (en) * | 2011-01-11 | 2011-07-27 | 郑州煤矿机械集团股份有限公司 | Mine intrinsic safety type pressure sensor |
| CN202329917U (en) * | 2011-11-18 | 2012-07-11 | 郑州煤矿机械集团股份有限公司 | Mining intrinsically-safe pressure sensor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439389A (en) * | 2013-07-18 | 2013-12-11 | 无锡天润电子技术发展有限公司 | Intrinsically-safe electrochemical sensor assembly and sensor control method |
| CN103439389B (en) * | 2013-07-18 | 2016-04-13 | 无锡天润电子技术发展有限公司 | Intrinsic safety type electrochemical sensor assembly and sensor control method |
| CN105606293A (en) * | 2015-12-27 | 2016-05-25 | 邹城市云天工贸有限公司 | Mine intrinsically safe pressure detector |
| CN105606293B (en) * | 2015-12-27 | 2018-07-27 | 邹城市云天工贸有限公司 | Mine-used I. S pressure detecting instrument |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |