CN205719308U - A kind of New-type thermocouple - Google Patents
A kind of New-type thermocouple Download PDFInfo
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- CN205719308U CN205719308U CN201620347493.0U CN201620347493U CN205719308U CN 205719308 U CN205719308 U CN 205719308U CN 201620347493 U CN201620347493 U CN 201620347493U CN 205719308 U CN205719308 U CN 205719308U
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- thermocouple
- thermocouple wire
- heat conduction
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Abstract
A kind of New-type thermocouple, including thermocouple wire, protection set, heat conduction probe, described thermocouple wire is located in protection set, described thermocouple wire includes measuring end, cold end, described measurement end is connected with heat conduction probe, described measurement end and heat conduction probe tie point surface are provided with the connecting tube of protective effect, described connecting tube is plastic union pipe, described connecting tube surface also fixed cover is connected to stainless steel protection pipe, described thermocouple wire includes positive pole thermocouple wire, negative pole thermocouple wire, described positive pole thermocouple wire, negative pole thermocouple wire top layer is equipped with protective layer, it is additionally provided with insulating barrier outside described protective layer.The utility model thermocouple structure is simple; it is provided with the plastic union pipe of protective effect on heat conduction probe and thermocouple junction surface; on plastic union pipe surface, also fixed cover is connected to stainless steel protection pipe; make heat conduction probe more firm with the junction of thermocouple; so that the work that heat conduction probe is stable with thermocouple measurement end, it is ensured that service life and certainty of measurement.
Description
Technical field
The utility model relates to area of thermocouples, espespecially a kind of new thermocouple.
Background technology
Thermocouple is to be bonded into loop by conductor (referred to as thermocouple wire material or the thermode) two ends of two kinds of different components, when the temperature at two abutments is different, will produce electromotive force in the loop, this phenomenon is referred to as pyroelectric effect, and this electromotive force is referred to as thermoelectrical potential.Thermocouple is that to utilize this principle to carry out thermometric, and wherein, the one end being directly used as measuring medium temperature is called working end (also referred to as measurement end), and the other end is called cold end (also referred to as compensating end)；Cold end is connected with display instrument or matching instrument, and display instrument would indicate that thermoelectrical potential produced by thermocouple.Thermocouple is actually a kind of energy converter, and it converts heat energy into electric energy, measures temperature by produced thermoelectrical potential.In regular industrial application; often utilize probe that heat reaches the tie point of thermocouple; probe and the junction of thermocouple are typically fixing with plastic-injection protection; but plastic connection pipe is more fragile; it is easy to fracture when stress is bigger; therefore this kind of fixed form is firm not, it is easy to damage, affect service life and the certainty of measurement of thermocouple.
Utility model content
For solving the problems referred to above, the utility model provides a kind of probe to consolidate the New-type thermocouple being connected, ensureing service life and certainty of measurement with thermocouple.
For achieving the above object, the technical solution adopted in the utility model is: a kind of New-type thermocouple, including thermocouple wire, protection set, heat conduction probe, described thermocouple wire is located in protection set, described thermocouple wire includes measuring end, cold end, described measurement end is connected with heat conduction probe, described measurement end and heat conduction probe tie point surface are provided with the connecting tube of protective effect, described connecting tube is plastic union pipe, described connecting tube surface also fixed cover is connected to stainless steel protection pipe, described thermocouple wire includes positive pole thermocouple wire, negative pole thermocouple wire, described positive pole thermocouple wire, negative pole thermocouple wire top layer is equipped with protective layer, it is additionally provided with insulating barrier outside described protective layer.
Specifically, it is additionally provided with conductive filler material between described measurement end and the tie point of heat conduction probe and connecting tube.
Specifically, described conductive filler material is the tungsten powder that purity is more than 99.6%.
Specifically, described heat conduction probe is flexible heat conduction probe.
Specifically, one end of described positive pole thermocouple wire and one end of negative pole thermocouple wire are welded to each other, and the other end of described positive pole thermocouple wire and one end of negative pole thermocouple wire all reach outside protection set.
Specifically, described stainless steel protection pipe is provided with through hole, and described through-hole diameter is 2.0mm.
Specifically, described connecting tube is round end Cylindrical connecting tube, a length of 20.0mm, and thickness is 4.8mm, and described stainless steel protection length of tube is 16.5mm.
The beneficial effects of the utility model are: the utility model thermocouple structure is simple, it is provided with the high-temperature resistance plastice connecting tube of protective effect at heat conduction probe with thermocouple wire measurement end tie point surface, it is also filled with the tungsten powder of heat conduction in plastic union pipe, on plastic union pipe surface, also fixed cover is connected to stainless steel protection pipe, make heat conduction probe more firm with the junction of thermocouple, even if by powerful external force, stainless steel protection pipe is also not susceptible to rupture, protect plastic union pipe, so that the work that heat conduction probe is stable with thermocouple wire measurement end, ensure service life and certainty of measurement.
Brief description
Fig. 1 is structural representation of the present utility model.
Drawing reference numeral illustrates: 1. thermocouple wire；11. positive pole thermocouple wires；12. negative pole thermocouple wires；2. protection set；3. heat conduction probe；4. connecting tube；5. stainless steel protection pipe；6. insulating barrier.
Detailed description of the invention
Refer to shown in Fig. 1, the utility model is with regard to a kind of New-type thermocouple, including thermocouple wire 1, protection set 2, heat conduction probe 3, described thermocouple wire 1 is located in protection set 2, described thermocouple wire 1 includes measuring end, cold end, described measurement end is connected with heat conduction probe 3, described measurement end and heat conduction probe 3 tie point surface are provided with the connecting tube 4 of protective effect, described connecting tube 4 is plastic union pipe 4, described connecting tube 4 surface also fixed cover is connected to stainless steel protection pipe 5, described thermocouple wire 1 includes positive pole thermocouple wire 11, negative pole thermocouple wire 12, described positive pole thermocouple wire 11, negative pole thermocouple wire 12 top layer is equipped with protective layer, it is additionally provided with insulating barrier 6 outside described protective layer.
Compared with prior art, the utility model thermocouple structure is simple, measure the plastic union pipe 4 that end tie point surface is provided with protective effect at heat conduction probe 3 and thermocouple wire 1, it is also filled with conductive filler material in plastic union pipe 4, on plastic union pipe 4 surface, also fixed cover is connected to stainless steel protection pipe 5, make heat conduction probe 3 more firm with the junction of thermocouple, even if by powerful external force, stainless steel protection pipe 5 is also not susceptible to rupture, protect plastic union pipe 4, so that heat conduction probe 3 and thermocouple wire 1 measure the stable work of end, ensure service life and certainty of measurement.
Specifically, it is additionally provided with conductive filler material between described measurement end and the tie point of heat conduction probe 3 and connecting tube 4.
Specifically, described conductive filler material is the tungsten powder that purity is more than 99.6%.
Use such scheme, it is ensured that heat conduction probe 3 heat transfer necessary with thermocouple measurement end, be conducive to improving the thermocouple response time.
Specifically, described heat conduction probe 3 is flexible heat conduction probe 3.
Use such scheme so that thermocouple is flexible to be installed and used, and applicability is higher.
Specifically, one end of described positive pole thermocouple wire 11 and one end of negative pole thermocouple wire 12 are welded to each other, and the other end of described positive pole thermocouple wire 11 and one end of negative pole thermocouple wire 12 all reach outside protection set 2.
Specifically, described stainless steel protection pipe 5 is provided with through hole, and described through-hole diameter is 2.0mm.
Using such scheme, plastic union pipe 4 has the projection corresponding with the through hole on stainless steel protection pipe 5 so that stainless steel protection pipe 5 and plastic union pipe 4 preferably fuse and be socketed, and will not come off easily, play more firm protective effect.
Specifically, described connecting tube 4 is round end Cylindrical connecting tube 4, a length of 20.0mm, and thickness is 4.8mm, a length of 16.5mm of described stainless steel protection pipe 5.
Below by specific embodiment, the utility model is further described.
This specific embodiment New-type thermocouple includes thermocouple wire 1, protection set 2, flexible heat conduction probe 3, thermocouple wire 1 is measured end and is connected with heat conduction probe 3, measurement end and heat conduction probe 3 tie point surface are provided with the high-temperature resistance plastice connecting tube 4 of protective effect, it is filled with the tungsten powder that purity is more than 99.6% in plastic union pipe 4, connecting tube 4 surface also fixed cover is connected to stainless steel protection pipe 5, make heat conduction probe 3 more firm with the junction of thermocouple, even if by powerful external force, stainless steel protection pipe 5 is also not susceptible to rupture, protect plastic union pipe 4, so that heat conduction probe 3 and thermocouple wire 1 measure the stable work of end, ensure service life and certainty of measurement.Thermocouple wire 1 includes positive pole thermocouple wire the 11st, negative pole thermocouple wire 12, and wherein positive pole thermocouple wire 11 is nickel filament, and negative pole thermocouple 12 is nisiloy silk.The 11st, positive pole thermocouple wire is equipped with protective layer in negative pole thermocouple wire 12 top layer; and it outside protective layer, is additionally provided with insulating barrier 6; thermocouple wire 1 is all located at protection set interior 2; wherein one end of positive pole thermocouple wire 11 and one end of negative pole thermocouple wire 12 are welded to each other; the other end of positive pole thermocouple wire 11 all reaches outside protection set 2 with one end of negative pole thermocouple 12; in addition; protection set 2 is outer also can be socketed with the flexible protection rope sling being woven into by stainless steel; so that the utility model thermocouple has bigger anticorrosive compressive; ambient adaptability is strong, it is ensured that service life.In this specific embodiment; plastic union pipe 4 is round end Cylindrical connecting tube 4; its a length of 20.0mm; thickness is 4.8mm; the a length of 16.5mm of stainless steel protection pipe 5; through-hole diameter on stainless steel protection pipe 5 is the circular hole of 2.0mm, and this through hole is 1.1mm with the back gauge of the nearlyer one end of stainless steel protection pipe 5.This specific embodiment thermocouple has very big reelability, can arbitrarily bend, and has high pressure resistant and has good insulating properties under the high temperature conditions, it is adaptable to complicated, bending, the occasion such as narrow.
Embodiment of above is only to be described preferred embodiment of the present utility model; not scope of the present utility model is defined; on the premise of without departing from the utility model design spirit; this area ordinary skill technical staff the technical solution of the utility model is made various deformation and improve, all should fall into claims of the present utility model determine protection domain in.
Claims (7)
1. a New-type thermocouple, including thermocouple wire, protection set, heat conduction probe, described thermocouple wire is located in protection set, described thermocouple wire includes measuring end, cold end, described measurement end is connected with heat conduction probe, it is characterized in that: described measurement end and heat conduction probe tie point surface are provided with the connecting tube of protective effect, described connecting tube is plastic union pipe, described connecting tube surface also fixed cover is connected to stainless steel protection pipe, described thermocouple wire includes positive pole thermocouple wire, negative pole thermocouple wire, described positive pole thermocouple wire, negative pole thermocouple wire top layer is equipped with protective layer, it is additionally provided with insulating barrier outside described protective layer.
2. a kind of New-type thermocouple according to claim 1, it is characterised in that: it is additionally provided with conductive filler material between the tie point of described measurement end and heat conduction probe and connecting tube.
3. a kind of New-type thermocouple according to claim 2, it is characterised in that: described conductive filler material is the tungsten powder that purity is more than 99.6%.
4. a kind of New-type thermocouple according to claim 1, it is characterised in that: described heat conduction probe is flexible heat conduction probe.
5. a kind of New-type thermocouple according to claim 1, it is characterised in that: one end of described positive pole thermocouple wire and one end of negative pole thermocouple wire are welded to each other, and the other end of described positive pole thermocouple wire and one end of negative pole thermocouple wire all reach outside protection set.
6. a kind of New-type thermocouple according to claim 1, it is characterised in that: described stainless steel protection pipe is provided with through hole, and described through-hole diameter is 2.0mm.
7. a kind of New-type thermocouple according to claim 1, it is characterised in that: described connecting tube is round end Cylindrical connecting tube, a length of 20.0mm, and thickness is 4.8mm, and described stainless steel protection length of tube is 16.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620347493.0U CN205719308U (en) | 2016-04-22 | 2016-04-22 | A kind of New-type thermocouple |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620347493.0U CN205719308U (en) | 2016-04-22 | 2016-04-22 | A kind of New-type thermocouple |
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| CN205719308U true CN205719308U (en) | 2016-11-23 |
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| CN201620347493.0U Active CN205719308U (en) | 2016-04-22 | 2016-04-22 | A kind of New-type thermocouple |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840436A (en) * | 2017-02-22 | 2017-06-13 | 东莞市日臻尚勤电工材料有限公司 | A kind of superfine armoured thermocouple and preparation method thereof |
| CN107536114A (en) * | 2017-09-06 | 2018-01-05 | 深圳市新宜康电子技术有限公司 | Accurate field temperature control effect atomization core and preparation method thereof |
-
2016
- 2016-04-22 CN CN201620347493.0U patent/CN205719308U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840436A (en) * | 2017-02-22 | 2017-06-13 | 东莞市日臻尚勤电工材料有限公司 | A kind of superfine armoured thermocouple and preparation method thereof |
| CN107536114A (en) * | 2017-09-06 | 2018-01-05 | 深圳市新宜康电子技术有限公司 | Accurate field temperature control effect atomization core and preparation method thereof |
| CN107536114B (en) * | 2017-09-06 | 2018-10-02 | 深圳市新宜康电子技术有限公司 | Accurate field temperature control effect atomization core and preparation method thereof |
| WO2019047367A1 (en) * | 2017-09-06 | 2019-03-14 | 深圳市新宜康电子技术有限公司 | Precise field temperature control effec atomizing core and manufacturing method therefor |
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