CN201622134U - Spring-push heat-conducting type adjustable multipoint thermocouple - Google Patents

Spring-push heat-conducting type adjustable multipoint thermocouple Download PDF

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Publication number
CN201622134U
CN201622134U CN2010201385723U CN201020138572U CN201622134U CN 201622134 U CN201622134 U CN 201622134U CN 2010201385723 U CN2010201385723 U CN 2010201385723U CN 201020138572 U CN201020138572 U CN 201020138572U CN 201622134 U CN201622134 U CN 201622134U
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CN
China
Prior art keywords
spring
core body
temperature measuring
axial
top heat
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Expired - Lifetime
Application number
CN2010201385723U
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Chinese (zh)
Inventor
刘汉杰
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TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd
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TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd
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Priority to CN2010201385723U priority Critical patent/CN201622134U/en
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Publication of CN201622134U publication Critical patent/CN201622134U/en
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Abstract

The utility model relates to a spring-push heat-conducting type adjustable multipoint thermocouple comprising a junction box, a protective sleeve and a plurality of temperature measuring core bodies, wherein the lower end of the protective sleeve is coaxially and fixedly arranged with the diameter of a flange by an adjustable nut; the plurality of temperature measuring core bodies are fixed by sealing devices in the diameter of the flange and connected with the junction box by leads, wherein the lower end of each temperature measuring core body is fixedly provided with a spring-push heat-conducting sliding block; each spring-push heat-conducting sliding block is provided with an axial blind hole and a plurality of axial positioning through holes in axial direction, as well as a radial blind hole in radial direction; the axial blind hole of the spring-push heat-conducting sliding block is fixedly arranged the lower end of one temperature measuring core body, and the plurality of axial positioning through holes positions and penetrates through other temperature measuring core bodies; the radial blind hole is internally provided with a spring; the spring is provided with an elastic probe in a pushing way; and the end part of the temperature measuring core body at the lowest end is fixedly provided with a tail end guide sliding block. The adjustable multipoint thermocouple has convenient installation, fast temperature measuring response speed, high reliability, relatively high temperature measuring precision and safety, and relatively low maintenance cost.

Description

The adjustable multiple spot thermopair of bullet top heat-conducting
Technical field
The utility model belongs to the thermopair in the temperature sensor field, the adjustable multiple spot thermopair of especially a kind of bullet top heat-conducting.
Background technology
The structure of multiple spot thermopair mainly is made of terminal box, protective casing and measuring sensor three parts in the industry spot at present, measuring sensor directly is distributed in the protective casing, though can satisfy the needs of measuring a plurality of diverse location temperature simultaneously, but still there are the following problems: 1. thermometric core body globality is poor, and difficulty is installed; 2. between the measuring junction of temperature element and the protective casing inwall very big distance is arranged, because of the existence of inner space, the thermometric response speed is slower, can't satisfy the needs of quick temperature measurement; 3. thermopair inside does not have packoff, in case protective casing is damaged, medium can directly enter in the terminal box, has great potential safety hazard; 4. in a single day thermopair is damaged, can only integral replacing, and cause the maintenance maintenance cost too high.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of bullet top heat-conducting adjustable multiple spot thermopair, and this thermopair is easy for installation, and the thermometric response speed is fast, the reliability height, and temperature measurement accuracy and security are higher, and the maintenance maintenance cost is lower.
The utility model solves its technical matters and is achieved through the following technical solutions:
The adjustable multiple spot thermopair of a kind of bullet top heat-conducting; by terminal box; protective casing and a plurality of thermometric core body constitute; the protective casing upper end installs with the terminal box lower end; the protective casing lower end is by flange footpath coaxial install of an active locknut with a flange; a plurality of thermometric core bodys are fixed by the packoff in the flange footpath and are connected with terminal box by lead-in wire; wherein the lower end of each thermometric core body installs a bullet top heat conduction slide block; this bullet top heat conduction slide block is shaped on an axial blind hole and a plurality of axial location through hole in the axial direction; directly upwards be shaped on a radial blind holes respectively at bullet top heat conduction slide block; the axial blind hole of bullet top heat conduction slide block installs with the lower end of a thermometric core body wherein; a plurality of axial location through holes location covers other thermometric core bodys; be provided with spring in the radial blind holes; elasticity probe is adorned on this spring top, and thermometric core body end bottom is fixed with terminal guide runner.
And the packoff in the described flange footpath is made of cutting ferrule screw thread locknut, pressure pad and graphite grazing pad, and cutting ferrule screw fastening box thread is engaged on the inwall of flange footpath, and compresses the fastening thermometric core body of graphite grazing pad by pressure pad.
Advantage of the present utility model and beneficial effect are:
1, the lower end of each thermometric core body of this thermopair installs a bullet top heat conduction slide block, this bullet top heat conduction slide block is shaped on an axial blind hole and a plurality of axial location through hole in the axial direction, directly upwards be shaped on a radial blind holes respectively at bullet top heat conduction slide block, the axial blind hole of bullet top heat conduction slide block installs with the lower end of a thermometric core body wherein, a plurality of axial location through holes location covers other thermometric core bodys, be provided with spring in the radial blind holes, elasticity probe is adorned on this spring top, thermometric core body end bottom is fixed with terminal guide runner, this structure can conveniently be installed, heat conduction slide block in bullet top contacts with tested container mounting pipe inwall, realize that the thermometric response speed is fast, the reliability height, this axial location through hole can effectively limit the vibration displacement of thermometric core body, makes whole thermopair more safe and reliable.
2, this thermopair packoff is made of cutting ferrule screw thread locknut, pressure pad and graphite grazing pad, cutting ferrule screw fastening box thread is engaged on the inwall of flange footpath, compress the fastening thermometric core body of graphite grazing pad by pressure pad, can prevent effectively that the thermometric core body from damaging the back measured medium and flowing into terminal box, the security that has improved thermopair.
3, the utility model is simple in structure, and design science is reasonable, and is easy for installation, and the thermometric response speed is fast, the reliability height, and temperature measurement accuracy and security are higher, and the maintenance maintenance cost is lower.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a bullet of the present utility model top heat conduction slide block cut-open view (tape spool is to pilot hole);
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is a bullet of the present utility model top heat conduction slide block cut-open view (tape spool is not to pilot hole).
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
The adjustable multiple spot thermopair of a kind of bullet top heat-conducting; by terminal box 1; protective casing 2 and N thermometric core body 8 constitutes; 2≤N≤20; the protective casing upper end installs with the terminal box lower end; the protective casing lower end is by flange footpath 6 coaxial install of an active locknut 12 with a flange 7; be provided with sealing gasket 5 between protective casing and the flange footpath; the thermometric core body is fixed by the packoff in the flange footpath and is connected with terminal box by lead-in wire 14; packoff is by cutting ferrule screw thread locknut 3; pressure pad 4 and graphite grazing pad 13 constitute; cutting ferrule screw fastening box thread is engaged on the inwall of flange footpath; compress the fastening thermometric core body of graphite grazing pad by pressure pad; wherein the lower end of each thermometric core body installs a bullet top heat conduction slide block; this bullet top heat conduction slide block is shaped on an axial blind hole 16 and a plurality of axial location through hole 15 in the axial direction; directly upwards be shaped on a radial blind holes 17 respectively at bullet top heat conduction slide block; the axial blind hole of bullet top heat conduction slide block installs with the lower end of a thermometric core body wherein; a plurality of axial location through holes location covers other thermometric core bodys; be provided with spring 18 in the radial blind holes; elasticity probe 19 is adorned on this spring top; thermometric core body end bottom is fixed with terminal guide runner 10; the quantity of the thermometric core body shown in the present embodiment accompanying drawing 1 is 3; each thermometric core body is provided with difference according to different its length in measuring vessel position; the temperature of 3 interior three diverse locations of thermometric core body difference measuring vessel shown in the present embodiment accompanying drawing; be respectively bullet top heat conduction slide block 11; the top heat conduction slide block 9 of being hit by a bullet; terminal guide runner 10; wherein go up bullet top heat conduction slide block and the top heat conduction slide block of being hit by a bullet in be shaped on the axial location hole; this axial location hole can form location and firm effect to the thermometric core body of different length; be convenient to the installation of whole thermopair; terminal guide runner can not be provided with the axial location hole; the profile of bullet top heat conduction slide block can also can be other shape for cylindrical.

Claims (2)

1. adjustable multiple spot thermopair of bullet top heat-conducting; by terminal box; protective casing and a plurality of thermometric core body constitute; the protective casing upper end installs with the terminal box lower end; the protective casing lower end is by flange footpath coaxial install of an active locknut with a flange; a plurality of thermometric core bodys are fixed by the packoff in the flange footpath and are connected with terminal box by lead-in wire; it is characterized in that: the lower end of each thermometric core body installs a bullet top heat conduction slide block; this bullet top heat conduction slide block is shaped on an axial blind hole and a plurality of axial location through hole in the axial direction; directly upwards be shaped on a radial blind holes respectively at bullet top heat conduction slide block; the axial blind hole of bullet top heat conduction slide block installs with the lower end of a thermometric core body wherein; a plurality of axial location through holes location covers other thermometric core bodys; be provided with spring in the radial blind holes; elasticity probe is adorned on this spring top, and thermometric core body end bottom is fixed with terminal guide runner.
2. the adjustable multiple spot thermopair of bullet according to claim 1 top heat-conducting, it is characterized in that: the packoff in the described flange footpath is made of cutting ferrule screw thread locknut, pressure pad and graphite grazing pad, cutting ferrule screw fastening box thread is engaged on the inwall of flange footpath, and compresses the fastening thermometric core body of graphite grazing pad by pressure pad.
CN2010201385723U 2010-03-24 2010-03-24 Spring-push heat-conducting type adjustable multipoint thermocouple Expired - Lifetime CN201622134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201385723U CN201622134U (en) 2010-03-24 2010-03-24 Spring-push heat-conducting type adjustable multipoint thermocouple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201385723U CN201622134U (en) 2010-03-24 2010-03-24 Spring-push heat-conducting type adjustable multipoint thermocouple

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CN201622134U true CN201622134U (en) 2010-11-03

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575418A (en) * 2012-07-18 2014-02-12 珠海格力电器股份有限公司 Temperature sensing blind pipe assembly and water heater
CN103900729A (en) * 2012-12-25 2014-07-02 北京汉能创昱科技有限公司 Multipoint temperature measuring device for atmosphere isolation
CN104568196A (en) * 2015-01-04 2015-04-29 安徽蓝德仪表有限公司 Platinum rhodium thermal coupler
CN106996836A (en) * 2017-04-20 2017-08-01 安徽春辉仪表线缆集团有限公司 A kind of thermocouple structure of heat conduction measurement
CN107167258A (en) * 2017-07-03 2017-09-15 安徽徽宁电器仪表集团有限公司 It is a kind of to measure the thermocouple structure of temperature at multi-level simultaneously

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103575418A (en) * 2012-07-18 2014-02-12 珠海格力电器股份有限公司 Temperature sensing blind pipe assembly and water heater
CN103900729A (en) * 2012-12-25 2014-07-02 北京汉能创昱科技有限公司 Multipoint temperature measuring device for atmosphere isolation
CN103900729B (en) * 2012-12-25 2018-04-27 北京创昱科技有限公司 A kind of multiple point temperature measurement device of gas isolating
CN104568196A (en) * 2015-01-04 2015-04-29 安徽蓝德仪表有限公司 Platinum rhodium thermal coupler
CN104568196B (en) * 2015-01-04 2019-06-11 安徽蓝德仪表有限公司 A kind of platinum rhodium thermocouple
CN106996836A (en) * 2017-04-20 2017-08-01 安徽春辉仪表线缆集团有限公司 A kind of thermocouple structure of heat conduction measurement
CN107167258A (en) * 2017-07-03 2017-09-15 安徽徽宁电器仪表集团有限公司 It is a kind of to measure the thermocouple structure of temperature at multi-level simultaneously
CN107167258B (en) * 2017-07-03 2019-04-02 安徽徽宁电器仪表集团有限公司 A kind of thermocouple structure that can measure temperature at multi-level simultaneously

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Granted publication date: 20101103

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