CN101458219A - Sensor device - Google Patents

Sensor device Download PDF

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Publication number
CN101458219A
CN101458219A CNA2008101589484A CN200810158948A CN101458219A CN 101458219 A CN101458219 A CN 101458219A CN A2008101589484 A CNA2008101589484 A CN A2008101589484A CN 200810158948 A CN200810158948 A CN 200810158948A CN 101458219 A CN101458219 A CN 101458219A
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CN
China
Prior art keywords
sensor
base
sensing
protection tube
outside
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2008101589484A
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Chinese (zh)
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CN101458219B (en
Inventor
薛文伟
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薛文伟
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Application filed by 薛文伟 filed Critical 薛文伟
Priority to CN2008101589484A priority Critical patent/CN101458219B/en
Publication of CN101458219A publication Critical patent/CN101458219A/en
Application granted granted Critical
Publication of CN101458219B publication Critical patent/CN101458219B/en
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Abstract

The invention relates to a sensor device which comprises a base and a sensing element. A metal heat conducting sleeve is arranged outside the sensing element and fixedly connected with the base; a heating coil is arranged outside the heat conducting sleeve and powered on to heat up so that the whole sensor device works at a certain temperature during a working process, and the measured gas can not produce droplets in the sensor device, thus avoiding error caused by the droplets and improving the sensitivity and accuracy of the sensor device.

Description

A kind of sensor device
Technical field
The present invention relates to a kind of sensor device of measurement gas content, specifically, relate to a kind of gas sensor device that is used for industries such as chemical industry, metallurgy, environmental protection, coking, scientific research.
Background technology
In industries such as chemical industry, metallurgy, environmental protection, need the content of frequent measurement gas, because the singularity of the sector, often contain a certain amount of moisture in the tested gas, in sensor, form drop, influence the sensitivity and the accuracy of sensor, cause measurement result to produce deviation.
Summary of the invention
The problem to be solved in the present invention is at above problem, provides a kind of sensitivity and accuracy high sensor device.
For achieving the above object, the technical solution adopted in the present invention is: a kind of sensor device, comprise base and sensing element, and it is characterized in that: the arranged outside of described sensing element has the metal heat-conducting cover, described heat conduction cover is fixedlyed connected with base, and described arranged outside at the heat conduction cover has heater coil.
A kind of optimization of such scheme, the top of described base are provided with the protection tube, and described protection tube is connected with whorl of base.
The further optimization of such scheme, the top of described protection tube is provided with over cap, and over cap is threaded with the protection tube.
The present invention adopts technique scheme, and the heater coil energising heats up, and makes sensor in the course of the work, overall work is under uniform temperature, tested gas can not produce drop in sensor, avoided the error that causes owing to drop, the sensitivity and the accuracy that have improved sensor.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of the embodiment of the invention.
The 1-base, the 2-air intake opening, the 3-gas outlet, 4-sensing element, 5-are protected tube, the 6-over cap, 7-heat conduction cover, the 8-heater coil, 9-responds to air cavity
Embodiment
Embodiment; as shown in Figure 1; a kind of sensor device; comprise base 1; probe gas concentration also is translated into the sensing element 4 of electric signal; the both sides of base 1 are provided with air intake opening 2 and gas outlet 3; be provided with induction air cavity 9 between air intake opening 2 and the gas outlet 3; air intake opening 2; gas outlet 3 links with induction air cavity 9; induction air cavity 9 is tightly connected with sensing element 4; the top of base 1 is provided with protection tube 5; the effect of protection sensing element 4 is played in the setting of protection tube 5, and protection tube 5 is threaded with base 1, and the arranged outside of sensing element 4 has copper heat conduction to overlap 7; heat conduction cover 7 closely is connected with base 1; arranged outside at heat conduction cover 7 has heater coil 8, is provided with over cap 6 on the top of protection tube 5, and over cap 6 is threaded with protection tube 5.
In use, heating power in the heater coil 8, its heat is delivered to base 1 through heat conduction cover 7, make temperature rising in the induction air cavity 9, make the sensor overall work at a certain temperature, make the gas that enters in the induction air cavity 9 can not be, avoided the error that produces owing to drop, the accuracy that has improved sensor at base 1 and gas and sensing element 4 contacts site generation drop.

Claims (3)

1, a kind of sensor device, comprise base (1) and sensing element (4), it is characterized in that: the arranged outside of described sensing element (4) has metal heat-conducting cover (7), and described heat conduction cover (7) is fixedlyed connected with base (1), and described arranged outside at heat conduction cover (7) has heater coil (8).
2, a kind of sensor device as claimed in claim 1 is characterized in that: the top of described base (1) is provided with protection tube (5), and described protection tube (5) is threaded with base (1).
3, a kind of sensor device as claimed in claim 2 is characterized in that: the top of described protection tube (5) is provided with over cap (6), and over cap (6) is threaded with protection tube (5).
CN2008101589484A 2008-11-21 2008-11-21 Sensor device Active CN101458219B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008101589484A CN101458219B (en) 2008-11-21 2008-11-21 Sensor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008101589484A CN101458219B (en) 2008-11-21 2008-11-21 Sensor device

Publications (2)

Publication Number Publication Date
CN101458219A true CN101458219A (en) 2009-06-17
CN101458219B CN101458219B (en) 2012-07-04

Family

ID=40769204

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008101589484A Active CN101458219B (en) 2008-11-21 2008-11-21 Sensor device

Country Status (1)

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CN (1) CN101458219B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103728416A (en) * 2013-11-20 2014-04-16 哈尔滨东方报警设备开发有限公司 Gas sensor module capable of realizing automatic cooling or heating
CN104374893A (en) * 2014-12-11 2015-02-25 哈尔滨东方报警设备开发有限公司 Explosion-proof gas circuit detecting device with double-row gas holes
CN105738564A (en) * 2014-12-11 2016-07-06 哈尔滨东方报警设备开发有限公司 Gas sensor capable to conduct automatic temperature control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750256A (en) * 1987-04-13 1988-06-14 Allied Corporation Method of assembly of an O2 sensor
CN1978060A (en) * 2005-12-02 2007-06-13 鸿富锦精密工业(深圳)有限公司 Environment detection experiment apparatus
CN200979527Y (en) * 2006-12-14 2007-11-21 薛文伟 A constant temperature infrared sensor
CN201075092Y (en) * 2007-07-21 2008-06-18 冯俊博 Device for measuring dielectric loss and controlling temperature of insulating oil
CN201319025Y (en) * 2008-11-21 2009-09-30 薛文伟 Sensor device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103728416A (en) * 2013-11-20 2014-04-16 哈尔滨东方报警设备开发有限公司 Gas sensor module capable of realizing automatic cooling or heating
CN104374893A (en) * 2014-12-11 2015-02-25 哈尔滨东方报警设备开发有限公司 Explosion-proof gas circuit detecting device with double-row gas holes
CN105738564A (en) * 2014-12-11 2016-07-06 哈尔滨东方报警设备开发有限公司 Gas sensor capable to conduct automatic temperature control

Also Published As

Publication number Publication date
CN101458219B (en) 2012-07-04

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SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20090617

Assignee: Shandong Annwa electronic Safe Technology Ltd

Assignor: Xue Wenwei

Contract record no.: 2013370000079

Denomination of invention: Sensor device

Granted publication date: 20120704

License type: Exclusive License

Record date: 20130410

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
EC01 Cancellation of recordation of patent licensing contract

Assignee: Shandong Annwa electronic Safe Technology Ltd

Assignor: Xue Wenwei

Contract record no.: 2013370000079

Date of cancellation: 20151030

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model