CN102538994A - Small inertia galvanic couple - Google Patents
Small inertia galvanic couple Download PDFInfo
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- CN102538994A CN102538994A CN2010106159992A CN201010615999A CN102538994A CN 102538994 A CN102538994 A CN 102538994A CN 2010106159992 A CN2010106159992 A CN 2010106159992A CN 201010615999 A CN201010615999 A CN 201010615999A CN 102538994 A CN102538994 A CN 102538994A
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- galvanic couple
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Abstract
The invention provides a small inertia high-temperature galvanic couple for rapid response, consisting of electrical equipment binding posts, a sensing head mounting base, a sensing head branch sleeve, a sensing head sensed part sleeve and a temperature measuring element galvanic couple wire. The sensing head branch sleeve and the sensing head sensed part sleeve are of an entire structure, and the upper ends of the sensing head branch sleeve and the sensing head sensed part sleeve are connected with the sensing head mounting base. The two electrical equipment binding posts are mounted at the upper part of the sensing head mounting base. The small inertia high-temperature galvanic couple disclosed by the invention has the advantages of simple structure, low cost and convenience for use. By using an exposed structure, the temperature variation of a measured medium can be collected by a temperature sensing element well within the first time, so that the response measurement time is short, the working efficiency is improved and the measurement precision is high.
Description
Technical field
The present invention relates to the thermopair in a kind of temperature sensor field, especially relate to a kind of little inertia high temperature galvanic couple of response fast that is used for.
Background technology
The thermopair that high temperature measurement is used generally all is to use in static temperature and measures or dynamic temperature measurement, and it is not very high that its thermal response time is required.Adopt thermopair that two kinds of versions are generally arranged at present, exposed type and shield type, exposed its thermo wires of type is exposed in the air-flow, and time constant is little, but thermo wires damages easily; Its thermo wires of shield type is installed in the pole, and time constant is bigger than exposed type, and the response time is long, and serviceable life is also long relatively.For in petrochemical industry and Aeronautics and Astronautics industry, frequent because medium temperature changes rapidly, need in time to catch the variation in temperature field, very high to the technical requirement of thermopair.At present, the ceramic platinum-rhodium-platinum thermocouple that the pyrometer couple of selling on the market that can be used in this occasion all adopts, its cost cost is high.Though these pyrometer couples can be realized high temperature measurement preferably; But because the measuring junction of temperature element is closed in the protective casing; Existence because of the wall thickness and the intracavity space of protective casing; Its response time reached more than 100 seconds, was difficult to realize the quick response requirement when temperature changes.Also have a kind of quick-response leakproof high-temperature thermocouple, but can not satisfy the response time less than 3 seconds requirement, its complex structure, fragile, cost is also very high.
Summary of the invention
The little inertia high temperature galvanic couple that the objective of the invention is to be to overcome above-mentioned prior art problem and design a kind of rapid thermal response.
The technical matters that (1) will solve
The present invention need solve high temperature galvanic couple rapid thermal response time weak point and measured medium is under high temperature, the fast state, and measuring accuracy is high, the problem of long service life.
(2) technical scheme
In order to solve the problems of the technologies described above, the present invention realizes through following technical scheme:
A kind of little inertia high temperature galvanic couple that is used for rapid thermal response mainly is made up of appliance wiring post, a sense mount pad, a sense head pipe-in-pipe, a sense detector probe sleeve pipe and temperature element galvanic couple silk; A sense head pipe-in-pipe is an one-piece construction with a sense detector probe sleeve pipe; Its upper end of a sense head pipe-in-pipe is connected with a sense mount pad; Two appliance wiring posts are installed in the top of a sense mount pad, and temperature element galvanic couple silk passes a sense detector probe sleeve pipe and is connected on the appliance wiring post with a sense head pipe-in-pipe, a sense mount pad.
A described sense head pipe-in-pipe, a sense detector probe sleeve pipe are to adopt the high-temperature alloy material manufacturing to form, and the outer wall of a sense head pipe-in-pipe and a sense detector probe sleeve pipe adopts coaxial welding to form, and the top of a sense arm is that welded type is connected with a sense mount pad.
Described temperature element is to adopt I level K type galvanic couple silk, and it measures temperature range at 300 ℃-1100 ℃, and the thermo wires of temperature element is exposed type structure; In order to guarantee that the rapid thermal response time was less than 3 seconds requirement; The exposed length L of thermo wires, diameter D, wherein: 2.5＜L≤5; 0.5≤D＜0.6, L/D＞5; Two electrodes of thermo wires are selected the method for butt welding or means of spot welds, to reduce the bead diameter.
The outside of the thermo wires of described temperature element is with porcelain bushing and passes a sense head pipe-in-pipe and a sense detector probe sleeve pipe; Be fixedly mounted on the centre of a sense detector probe sleeve pipe, a sense head pipe-in-pipe as filler with high-temperature cement; Pass a sense mount pad center again, be welded on respectively on the position, the two poles of the earth of two appliance wiring posts.
Compared with prior art, the invention has the beneficial effects as follows:
The little inertia high temperature galvanic couple of this rapid thermal response is simple in structure; Cost is low, and is extremely easy to use, owing to adopt exposed type structure; Can guarantee preferably that temperature element collects the temperature variation of measured medium in the very first time; Measure the response time weak point, improved work efficiency, measuring accuracy is high and the life-span is long.
Description of drawings
Fig. 1 is the structural representation of little inertia high temperature galvanic couple of the present invention.
Fig. 2 is the temperature element synoptic diagram.
A 1-appliance wiring post 2-sense mount pad 3-sense head pipe-in-pipe
4-feels a detector probe sleeve pipe 5-galvanic couple silk 6-porcelain bushing 7-high-temperature cement
The 8-bead
Embodiment
Through specific embodiment the present invention is done further detailed description below.It is descriptive below implementing, and is not determinate, can not limit protection scope of the present invention with this.
As depicted in figs. 1 and 2, a kind of little inertia high temperature galvanic couple that is used for response fast of the present invention mainly is made up of two appliance wiring posts 1, a sense mount pad 2, a sense head pipe-in-pipe 3, a sense detector probe sleeve pipe 4 and temperature element galvanic couple silk 5; A sense head pipe-in-pipe 3 is an one-piece construction with a sense detector probe sleeve pipe 4, and a sense head pipe-in-pipe 3 its upper ends are connected with a sense mount pad 2, and two appliance wiring posts 1 are installed in the top of a sense mount pad 2.
A described sense head pipe-in-pipe 3 is to adopt the high-temperature alloy material manufacturing to form with a sense detector probe sleeve pipe 4; Can be under 1200 ℃ of high temperature operate as normal; The outer wall of a sense head pipe-in-pipe 3 and a sense detector probe sleeve pipe 4 adopts coaxial welding to form, and the top of a sense head pipe-in-pipe 3 is connected for welded type with a sense mount pad 2.
The galvanic couple silk 5 of described temperature element is to adopt I level K type galvanic couple silk, and it measures temperature range at 300 ℃-1100 ℃, and the galvanic couple silk 5 of temperature element is exposed type structure; In order to guarantee that the rapid thermal response time was less than 3 seconds requirement; The exposed length L of thermo wires, diameter D draws through test: 2.5＜L≤5; 0.5≤D＜0.6, the relation of L/D are L/D＞5; Two electrodes of galvanic couple silk 5 are selected the method for butt welding or means of spot welds, reduce the diameter of bead 8.
The outside, the two poles of the earth of the galvanic couple silk 5 of described temperature element is with porcelain bushing 6 and passes a sense detector probe sleeve pipe 4 and a sense head pipe-in-pipe 3; Be fixedly mounted on the two poles of the earth that the outside is with the galvanic couple silk 5 of porcelain bushing 6 a sense detector probe sleeve pipe 4, feel the centre that head props up pipe-in-pipe 3 as filler with high-temperature cement 7; Pass a sense mount pad 2 centers again, be welded on the two poles of the earth of galvanic couple silk 5 respectively on the position of two appliance wiring posts 1.
Claims (3)
1. one kind is used for the little inertia high temperature galvanic couple of response fast, mainly is made up of appliance wiring post, a sense mount pad, a sense head pipe-in-pipe, a sense detector probe sleeve pipe and temperature element galvanic couple silk; The upper end of a sense head pipe-in-pipe is connected with a sense mount pad, and two appliance wiring posts are installed in the top of a sense mount pad.It is characterized in that: a sense head pipe-in-pipe is to adopt the high-temperature alloy material manufacturing to form with a sense detector probe sleeve pipe; The outer wall of a sense head pipe-in-pipe and a sense detector probe sleeve pipe adopts coaxial welding to form, and the top of a sense head pipe-in-pipe is that welded type is connected with a sense mount pad.Temperature element galvanic couple silk passes a sense detector probe sleeve pipe and is connected on the appliance wiring post with a sense head pipe-in-pipe, a sense mount pad.
2. a kind of little inertia high temperature galvanic couple of response fast that is used for according to claim 1 is characterized in that: the galvanic couple silk of temperature element is to adopt I level K type galvanic couple silk, and the galvanic couple silk of temperature element is exposed type structure; In order to guarantee the requirement of rapid thermal response time; The exposed length L of thermo wires, diameter D, wherein: 2.5＜L≤5; 0.5≤D＜0.6, the relation of L/D are L/D＞5; Two electrodes of galvanic couple silk are selected the method for butt welding or means of spot welds, reduce the bead diameter.
3. a kind of little inertia high temperature galvanic couple of response fast that is used for according to claim 1; It is characterized in that: the outside of the thermo wires of temperature element is with porcelain bushing and passes a sense detector probe sleeve pipe, a sense head pipe-in-pipe; Be fixedly mounted on the thermo wires that the outside is with the temperature element of porcelain bushing a sense detector probe sleeve pipe, feel the centre that head props up pipe-in-pipe as filler with high-temperature cement; Pass a sense mount pad center again, be welded on respectively on the position, the two poles of the earth of two appliance wiring posts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106159992A CN102538994A (en) | 2010-12-31 | 2010-12-31 | Small inertia galvanic couple |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106159992A CN102538994A (en) | 2010-12-31 | 2010-12-31 | Small inertia galvanic couple |
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| CN102538994A true CN102538994A (en) | 2012-07-04 |
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| CN2010106159992A Pending CN102538994A (en) | 2010-12-31 | 2010-12-31 | Small inertia galvanic couple |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616085A (en) * | 2013-11-26 | 2014-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Wire-exposed type small-inertia thermocouple |
| CN104316208A (en) * | 2014-09-30 | 2015-01-28 | 彩虹显示器件股份有限公司 | Temperature measuring apparatus applied to TFT channel body, and mounting method thereof |
| CN104931148A (en) * | 2015-06-10 | 2015-09-23 | 华中科技大学 | Thermocouple suitable for dynamic method flame temperature measurement and manufacturing method of thermocouple |
| CN108020333A (en) * | 2017-11-27 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of temp probe and assembly method for aircraft |
| CN112525366A (en) * | 2020-11-27 | 2021-03-19 | 中国航发四川燃气涡轮研究院 | Air suction type pluggable thermocouple probe for engine air inlet total temperature dynamic distortion test |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281498A (en) * | 1998-03-27 | 1999-10-15 | Kawasaki Steel Corp | Fitting method for sheath thermocouple for measuring temperature of metal body |
| CN201163218Y (en) * | 2008-01-22 | 2008-12-10 | 天津市中环温度仪表有限公司 | Anti-ventilation leakage thermocouple of blast furnace |
| CN201364209Y (en) * | 2009-02-13 | 2009-12-16 | 天津市中环温度仪表有限公司 | Quick-response leakage-damping high temperature thermocouple |
| CN201653577U (en) * | 2010-05-18 | 2010-11-24 | 中国航空动力机械研究所 | Thermocouple temperature sensor |
| CN201983874U (en) * | 2010-12-31 | 2011-09-21 | 贵州航空发动机研究所 | Small-inertia galvanic couple |
-
2010
- 2010-12-31 CN CN2010106159992A patent/CN102538994A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11281498A (en) * | 1998-03-27 | 1999-10-15 | Kawasaki Steel Corp | Fitting method for sheath thermocouple for measuring temperature of metal body |
| CN201163218Y (en) * | 2008-01-22 | 2008-12-10 | 天津市中环温度仪表有限公司 | Anti-ventilation leakage thermocouple of blast furnace |
| CN201364209Y (en) * | 2009-02-13 | 2009-12-16 | 天津市中环温度仪表有限公司 | Quick-response leakage-damping high temperature thermocouple |
| CN201653577U (en) * | 2010-05-18 | 2010-11-24 | 中国航空动力机械研究所 | Thermocouple temperature sensor |
| CN201983874U (en) * | 2010-12-31 | 2011-09-21 | 贵州航空发动机研究所 | Small-inertia galvanic couple |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616085A (en) * | 2013-11-26 | 2014-03-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Wire-exposed type small-inertia thermocouple |
| CN104316208A (en) * | 2014-09-30 | 2015-01-28 | 彩虹显示器件股份有限公司 | Temperature measuring apparatus applied to TFT channel body, and mounting method thereof |
| CN104931148A (en) * | 2015-06-10 | 2015-09-23 | 华中科技大学 | Thermocouple suitable for dynamic method flame temperature measurement and manufacturing method of thermocouple |
| CN108020333A (en) * | 2017-11-27 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of temp probe and assembly method for aircraft |
| CN112525366A (en) * | 2020-11-27 | 2021-03-19 | 中国航发四川燃气涡轮研究院 | Air suction type pluggable thermocouple probe for engine air inlet total temperature dynamic distortion test |
| CN112525366B (en) * | 2020-11-27 | 2023-03-14 | 中国航发四川燃气涡轮研究院 | Air suction type pluggable thermocouple probe for engine air inlet total temperature dynamic distortion test |
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