CN110595633A - Thermocouple clamping device for air conditioner test - Google Patents
Thermocouple clamping device for air conditioner test Download PDFInfo
- Publication number
- CN110595633A CN110595633A CN201910802476.XA CN201910802476A CN110595633A CN 110595633 A CN110595633 A CN 110595633A CN 201910802476 A CN201910802476 A CN 201910802476A CN 110595633 A CN110595633 A CN 110595633A
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- CN
- China
- Prior art keywords
- clamping
- thermocouple
- piece
- close
- thermocouple piece
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2201/00—Application of thermometers in air-conditioning systems
Abstract
The invention provides a thermocouple clamping device for air conditioner test, comprising: the clamping piece is provided with a clamping end and a free end opposite to the clamping end and comprises a first clamping part and a second clamping part hinged with the first clamping part; the first thermocouple piece is positioned on the surface of the first clamping part facing the second clamping part, and the end part of the first thermocouple piece, which is far away from the clamping end, is connected with a first lead; the second thermocouple piece is positioned on the surface of the second clamping part facing the first clamping part, and the end part of the second thermocouple piece, which is far away from the clamping end, is connected with a second lead; the clamping piece is configured to enable the first thermocouple piece and the second thermocouple piece to be electrically connected when the heat exchange pipeline of the air conditioner is clamped. When the thermocouple is installed, the clamping device only needs to clamp the clamping piece at the position to be measured of the heat exchange pipeline, and the operation steps are simple and convenient.
Description
Technical Field
The invention relates to the technical field of air conditioner testing equipment, in particular to a thermocouple clamping device for air conditioner testing.
Background
Air conditioners are common refrigeration devices. The air conditioner comprises a heat exchanger, and the quality of the performance of the heat exchanger directly influences the quality of the heat exchange performance of the air conditioner. The heat exchanger is generally composed of a plurality of heat exchange pipelines connected in parallel, and whether the temperature difference in each heat exchange pipeline obviously affects the heat exchange performance of the heat exchange pipeline is large.
Under experimental conditions, thermocouples are typically used to measure the temperature of each heat exchange line of the heat exchanger. The thermocouple comprises a first thermocouple piece and a second thermocouple piece, the first thermocouple piece is connected with the second thermocouple piece and then is abutted against a heat exchange pipeline of the heat exchanger, and the temperature of the corresponding heat exchange pipeline can be measured by detecting the current flowing through a lead connected with the first thermocouple piece and the second thermocouple piece in series.
In the prior art, the thermocouple is abutted to the heat exchange pipeline, then the heat exchange pipeline is wound by using the tinfoil paper, and the thermocouple is bound on the heat exchange pipeline, so that the temperature of the heat exchange pipeline can be conveniently measured by the thermocouple. And because the pipelines of the heat exchanger are complicated, and the gaps among the heat exchange pipelines are small, when the measuring points are drilled and hands cannot conveniently extend, the step of winding the tinfoil paper on the measuring points becomes very troublesome.
Disclosure of Invention
An object of the present invention is to provide a thermocouple holding device capable of conveniently measuring the temperature of a heat exchange pipe of an air conditioner.
In particular, the present invention provides a thermocouple clamping device for air conditioner testing, comprising:
the clamping piece is provided with a clamping end and a free end opposite to the clamping end and comprises a first clamping part and a second clamping part hinged with the first clamping part;
the first thermocouple piece is positioned on the surface of the first clamping part facing the second clamping part, and the end part of the first thermocouple piece, which is far away from the clamping end, is connected with a first lead;
the second thermocouple piece is positioned on the surface of the second clamping part facing the first clamping part, and the end part of the second thermocouple piece, which is far away from the clamping end, is connected with a second lead;
the clamping piece is configured to enable the first thermocouple piece and the second thermocouple piece to be electrically connected when the heat exchange pipeline of the air conditioner is clamped, and the first thermocouple piece and the second thermocouple piece are both abutted to the heat exchange pipeline, so that the temperature value of the clamped position of the heat exchange pipeline can be reflected by the current flowing through the first lead and the second lead.
According to some embodiments, the clamp is configured to abut the first thermocouple wafer against the second thermocouple wafer when clamping the heat exchange line of the air conditioner.
According to some embodiments, an end portion of the first thermocouple piece near the free end is fixedly connected with the first clamping portion, the end portion near the clamping end is arranged at a distance from the first clamping portion, and the end portion of the first thermocouple piece near the clamping end can elastically move towards a direction close to or away from the first clamping portion;
the end part of the second thermocouple piece close to the free end is fixedly connected with the second clamping part, the end part of the second thermocouple piece close to the clamping end and the second clamping part are arranged at intervals, and the end part of the second thermocouple piece close to the clamping end can elastically move towards the direction close to or far away from the second clamping part.
According to some embodiments, the end of the first clamping part near the clamping end is convex towards the direction far away from the second clamping part;
the end part of the second clamping part close to the clamping end is convexly arranged towards the direction far away from the first clamping part.
According to some embodiments, an end of the first thermocouple blade adjacent to the clamping end extends out of the clamping end, and an end of the second thermocouple blade adjacent to the clamping end extends out of the clamping end;
when the clamping piece clamps the heat exchange pipeline, the clamping end of the clamping piece clamps the first thermocouple piece and the second thermocouple piece, so that the first thermocouple piece is abutted to the second thermocouple piece.
According to some embodiments, the first thermocouple piece and the second thermocouple piece are both straight strips, and both the first thermocouple piece and the second thermocouple piece have elasticity.
According to some embodiments, the end of the first thermocouple piece close to the clamping end is protruded towards the direction far away from the second clamping part;
the end part of the second thermocouple piece close to the clamping end is convexly arranged in the direction far away from the first clamping part.
According to some embodiments, the first clamping portion and the second clamping portion are both insulative.
According to some embodiments, the first conductive line is arranged in the same bundle as the second conductive line.
According to some embodiments, the first thermocouple piece is an aluminum piece and the second thermocouple piece is a copper piece.
When the thermocouple is installed, the clamping device only needs to clamp the clamping piece at the position to be measured of the heat exchange pipeline, and the operation steps are simple and convenient. After the clamping piece is clamped on the heat exchange pipeline, the measuring current flows to the second lead from the first lead, and the temperature value of the corresponding position can be accurately measured by measuring the current in the first lead and the second lead.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic perspective view of a clamping device according to one embodiment of the invention;
FIG. 2 is a schematic front view of a clamping device according to one embodiment of the invention;
FIG. 3 is an exploded schematic view of a clamping device according to one embodiment of the invention;
fig. 4 is a front view of a clamping device according to another embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Fig. 1 to 4 show a preferred embodiment of the present invention.
The heat exchanger of the air conditioner comprises a plurality of heat exchange pipelines which are communicated in parallel, and in order to enable the temperature of the refrigerant in each heat exchange pipeline to be consistent, the temperature of the heat exchange pipeline needs to be measured firstly. In the prior art, when the temperature of a heat exchange pipeline is measured, a thermocouple formed by winding a copper sheet and an aluminum sheet is used, the thermocouple is attached to the heat exchange pipeline, and the temperature of the heat exchange pipeline can be obtained by measuring the circuit change condition of a lead connected with the thermocouple in series.
Since the heat exchange line still needs to be followed up, the step of abutting the thermocouple to the heat exchange line needs to be reversible, and the thermocouple needs to be detachably connected to the heat exchange line. In the prior art, the thermocouples are bound on a heat exchange pipeline by using aluminum foil paper or tin foil paper. And because the pipelines of the heat exchanger are complicated, and the gaps among the heat exchange pipelines are small, when the measuring points are drilled and hands cannot conveniently extend, the step of winding the tin foil paper or the aluminum foil paper on the measuring points becomes very troublesome.
As shown in fig. 1 to 3, the present embodiment provides a thermocouple clamping device 100 for air conditioner testing, which includes a clamping member, a first thermocouple piece 131, and a second thermocouple piece 141.
The clamping member has a clamping end 110 and a free end 120 opposite the clamping end 110. The clamping member includes a first clamping portion 130 and a second clamping portion 140 hinged to the first clamping portion 130. A torsion spring is disposed between the first clamping portion 130 and the second clamping portion 140, and the first clamping portion 130 and the second clamping portion 140 are both rotated toward the direction of closing the clamping end 110 of the clamping member by the elastic force generated by the torsion spring.
The first thermocouple piece 131 is positioned on a surface of the first clamping part 130 facing the second clamping part 140, and a first lead wire 151 is connected to an end of the first thermocouple piece 131 facing away from the clamping end 110. The second thermocouple junction 141 is positioned on a surface of the second clamping portion 140 facing the first clamping portion 130, and a second lead 152 is connected to an end of the second thermocouple junction 141 facing away from the clamping end 110, and as shown in fig. 1, the second lead 152 may be arranged in a bundle with the first lead 151.
The first thermocouple piece 131 and the second thermocouple piece 141 are both disposed between the first clamping portion 130 and the second clamping portion 140, and the first thermocouple piece 131 moves following the movement of the first clamping portion 130, and the second thermocouple piece 141 moves following the movement of the second clamping portion 140. Specifically, the first thermocouple segment 131 may be an aluminum segment, and the second thermocouple segment 141 may be a copper segment.
The clamping member is configured to electrically connect the first thermocouple piece 131 and the second thermocouple piece 141 when clamping a heat exchange pipeline of an air conditioner, and the first thermocouple piece 131 and the second thermocouple piece 141 are both abutted against the heat exchange pipeline, so that the current flowing through the first conducting wire 151 and the second conducting wire 152 can reflect the temperature value of the clamped position of the heat exchange pipeline. That is, after the heat exchange pipe is clamped by the clamping member, the current on the first lead wire 151 flows through the first thermocouple piece 131, the second thermocouple piece 141 and the second lead wire 152 in sequence. After the first thermocouple piece 131 and the second thermocouple piece 141 are electrically connected, the change curve of the resistance at the connection position of the two thermocouple pieces with the temperature shows a special property due to the different materials of the two conductors, and the temperature value at the connection position of the first thermocouple piece 131 and the second thermocouple piece 141 can be correspondingly obtained by obtaining the current flowing through the first lead 151 and the second lead 152 and comparing the change curves.
Clamping device 100 in this embodiment has abandoned utilizing the tinfoil paper to twine the thermocouple connected mode on the heat transfer pipeline among the prior art, when measuring the temperature of heat transfer pipeline, only need with the holder centre gripping on the heat transfer pipeline can, operation process is simple swift. In addition, in the embodiment, the first thermocouple piece 131 and the second thermocouple piece 141 are abutted to the heat exchange pipeline by using the clamping force generated by the clamping member, so that the first thermocouple piece 131 and the second thermocouple piece 141 are in closer contact with the heat exchange pipeline after being electrically connected, and the temperature measurement result is more accurate.
Because the heat exchange pipeline is a copper pipe and has electric conductivity, when the first thermocouple piece 131 and the second thermocouple piece 141 are both abutted to the heat exchange pipeline, the temperature value of the heat exchange pipeline can be measured even if the first thermocouple piece and the second thermocouple piece are not in contact with each other. Particularly, when the first thermocouple piece 131 is an aluminum piece, the aluminum piece contacts the copper heat exchange pipeline, and the contact point of the aluminum piece and the copper heat exchange pipeline can be used as a thermocouple, so that the first thermocouple piece 131 does not need to contact with the first thermocouple piece 131. However, in order to make the temperature measurement result more accurate, in one embodiment, the clamping member is configured to abut the first thermocouple tab 131 against the second thermocouple tab 141 when clamping the heat exchange pipe of the air conditioner.
In one embodiment, an end of the first thermocouple piece 131 close to the free end 120 is fixedly connected to the first clamping portion 130, an end of the first thermocouple piece 131 close to the clamping end 110 is spaced apart from the first clamping portion 130, and an end of the first thermocouple piece 131 close to the clamping end 110 can elastically move toward or away from the first clamping portion 130. The end of the second thermocouple piece 141 close to the free end 120 is fixedly connected to the second clamping portion 140, the end close to the clamping end 110 is spaced from the second clamping portion 140, and the end of the second thermocouple piece 141 close to the clamping end 110 can elastically move towards the direction close to or away from the second clamping portion 140. When the clamping member clamps the heat exchange pipeline, the clamping member can be adapted to heat exchange pipelines with different pipe diameters by the elasticity of the first thermocouple piece 131 and the second thermocouple piece 141. When the clamping member clamps the heat exchange pipeline, the first thermocouple piece 131 and the second thermocouple piece 141 respectively abut against the heat exchange pipeline, at this time, the clamping member is not in contact with the heat exchange pipeline at all, and the clamping force applied to the heat exchange pipeline is provided by the first thermocouple piece 131 and the second thermocouple piece 141. When the pipe diameters of the heat exchange pipes are different, the first thermocouple piece 131 and the second thermocouple piece 141 are different in deformation amount, and the clamping force of the first thermocouple piece 131 and the second thermocouple piece 141 to the heat exchange pipes is also different.
For example, when the pipe diameter of the heat exchange pipe is small, the deformation amount of the first thermocouple piece 131 is small, the end of the first thermocouple piece 131 close to the clamping end 110 is far from the first clamping portion 130, and the clamping force of the first thermocouple piece 131 to the heat exchange pipe is small. The deformation amount of the second thermocouple tab 141 is small, the end portion of the second thermocouple tab 141 close to the clamping end 110 is far away from the second clamping portion 140, and the clamping force of the second thermocouple tab 141 to the heat exchange pipe is small. When the pipe diameter of the heat exchange pipe is large, the deformation amount of the first thermocouple piece 131 is large, the end part of the first thermocouple piece 131 close to the clamping end 110 is close to the first clamping part 130, and the clamping force of the first thermocouple piece 131 on the heat exchange pipe is large. The second thermocouple pieces 141 are deformed in a large amount, the end portions of the second thermocouple pieces 141 close to the clamping ends 110 are close to the second clamping portion 140, and the clamping force of the second thermocouple pieces 141 on the heat exchange line is large.
As shown in fig. 2, an end of the first clamping portion 130 close to the clamping end 110 may be protruded away from the second clamping portion 140. The end of the second clamping portion 140 close to the clamping end 110 is protruded in a direction away from the first clamping portion 130. The structure enables the first clamping portion 130 and the second clamping portion 140 to provide more deformation space for the first thermocouple piece 131 and the second thermocouple piece 141, so that the clamping device 100 can be adapted to heat exchange pipes with larger diameters, and the size of the clamping device 100 can be reduced, so that the clamping device 100 can more conveniently extend into gaps of the heat exchange pipes.
When the clamping force for clamping the heat exchange tube is completely provided by the first thermocouple piece 131 and the second thermocouple piece 141, the first thermocouple piece 131 and the second thermocouple piece 141 are difficult to abut against each other after being elastically deformed. In one embodiment, in order to allow the first thermocouple piece 131 and the second thermocouple piece 141 to abut against each other regardless of the deformation amount, as shown in fig. 4, an end portion of the first thermocouple piece 131 close to the clamping end 110 may extend out of the clamping end 110, and an end portion of the second thermocouple piece 141 close to the clamping end 110 may extend out of the clamping end 110. And the clamping end 110 of the clamping member clamps the first thermocouple piece 131 and the second thermocouple piece 141 when the clamping member clamps the heat exchange pipeline, so that the first thermocouple piece 131 abuts against the second thermocouple piece 141.
Since the first and second clamping portions 130 and 140 clamp the portions of the first and second thermocouple pieces 131 and 141 extending out of the clamping end 110 when in the clamped state, the ends of the first and second thermocouple pieces 131 and 141 can be clamped together by the first and second clamping portions 130 and 140 regardless of the deformation of the first and second thermocouple pieces 131 and 141.
The first thermocouple piece 131 and the second thermocouple piece 141 may be straight strips, and the first thermocouple piece 131 and the second thermocouple piece 141 have elasticity. However, when the first thermocouple piece 131 and the second thermocouple piece 141 are both straight strip-shaped, after the heat exchange pipeline is clamped by the first thermocouple piece 131 and the second thermocouple piece 141, the heat exchange pipeline is easy to slide relative to the first thermocouple piece 131 and the second thermocouple piece 141, and the sliding direction is a direction from the clamping end 110 of the clamping device 100 to the free end 120.
In order to prevent the first thermocouple piece 131 and the second thermocouple piece 141 from sliding after clamping the heat exchange pipeline, an end portion of the first thermocouple piece 131 close to the clamping end 110 may be protruded in a direction away from the second clamping portion 140; and the end portion of the second thermocouple piece 141 close to the clamping end 110 is also protruded in a direction away from the first clamping portion 130. Thus, when the first thermocouple piece 131 and the second thermocouple piece 141 clamp the heat exchange pipeline, the heat exchange pipeline is clamped at the end positions of the first thermocouple piece 131 and the second thermocouple piece 141 close to the clamping end 110, and cannot move towards the direction from the clamping end 110 to the free end 120.
In one embodiment, the first clamping portion 130 and the second clamping portion 140 may have insulation. So as to prevent the first clamping portion 130 and the second clamping portion 140 from influencing the current change in the first conducting wire 151 and the second conducting wire 152 after abutting against other conducting places of the heat exchange pipeline, thereby reducing the temperature testing accuracy of the thermocouple.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A thermocouple clamping device for air conditioner testing, comprising:
the clamping piece is provided with a clamping end and a free end opposite to the clamping end and comprises a first clamping part and a second clamping part hinged with the first clamping part;
the first thermocouple piece is positioned on the surface of the first clamping part facing the second clamping part, and the end part of the first thermocouple piece, which is far away from the clamping end, is connected with a first lead;
the second thermocouple piece is positioned on the surface, facing the first clamping part, of the second clamping part, and a second lead is connected to the end, facing away from the clamping end, of the second thermocouple piece;
the clamping piece is configured to enable the first thermocouple piece and the second thermocouple piece to be electrically connected when clamping a heat exchange pipeline of the air conditioner, and the first thermocouple piece and the second thermocouple piece are both abutted to the heat exchange pipeline, so that the current flowing through the first lead and the second lead can reflect the temperature value of the clamped position of the heat exchange pipeline.
2. Clamping device according to claim 1,
the clamping piece is configured to enable the first thermocouple slice to abut against the second thermocouple slice when clamping a heat exchange pipeline of the air conditioner.
3. Clamping device according to claim 1,
the end part of the first thermocouple piece close to the free end is fixedly connected with the first clamping part, the end part of the first thermocouple piece close to the clamping end is arranged at an interval with the first clamping part, and the end part of the first thermocouple piece close to the clamping end can elastically move towards the direction close to or away from the first clamping part;
the end part, close to the free end, of the second thermocouple piece is fixedly connected with the second clamping part, the end part, close to the clamping end, of the second thermocouple piece is arranged at an interval with the second clamping part, and the end part, close to the clamping end, of the second thermocouple piece can elastically move towards the direction close to or far away from the second clamping part.
4. Clamping device according to claim 3,
the end part of the first clamping part close to the clamping end is convexly arranged in the direction far away from the second clamping part;
the end part of the second clamping part close to the clamping end is convexly arranged in the direction far away from the first clamping part.
5. Clamping device according to claim 3,
the end part of the first thermocouple piece close to the clamping end extends out of the clamping end, and the end part of the second thermocouple piece close to the clamping end extends out of the clamping end;
when the clamping piece clamps the heat exchange pipeline, the clamping end of the clamping piece clamps the first thermocouple piece and the second thermocouple piece, so that the first thermocouple piece is abutted to the second thermocouple piece.
6. Clamping device according to claim 3,
the first thermocouple piece and the second thermocouple piece are both in a straight strip shape, and the first thermocouple piece and the second thermocouple piece are both elastic.
7. Clamping device according to claim 3,
the end part of the first thermocouple piece close to the clamping end is convexly arranged in the direction far away from the second clamping part;
the end part, close to the clamping end, of the second thermocouple piece is arranged in a protruding mode in the direction far away from the first clamping part.
8. Clamping device according to claim 1,
the first clamping portion and the second clamping portion are both insulating.
9. Clamping device according to claim 1,
the first conducting wire and the second conducting wire are arranged in the same bundle.
10. Clamping device according to claim 1,
the first thermocouple piece is an aluminum piece, and the second thermocouple piece is a copper piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802476.XA CN110595633A (en) | 2019-08-28 | 2019-08-28 | Thermocouple clamping device for air conditioner test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910802476.XA CN110595633A (en) | 2019-08-28 | 2019-08-28 | Thermocouple clamping device for air conditioner test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110595633A true CN110595633A (en) | 2019-12-20 |
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ID=68856113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910802476.XA Pending CN110595633A (en) | 2019-08-28 | 2019-08-28 | Thermocouple clamping device for air conditioner test |
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| Country | Link |
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| CN (1) | CN110595633A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179513A (en) * | 2020-09-18 | 2021-01-05 | 中国航发四川燃气涡轮研究院 | Multipoint temperature measuring device for thermal fatigue test and operation method thereof |
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| US20170268934A1 (en) * | 2015-08-11 | 2017-09-21 | Rey Harju | Pipe clamp thermocouple |
| CN207280610U (en) * | 2017-08-15 | 2018-04-27 | 青岛海尔空调器有限总公司 | A kind of clip of fixed thermocouple |
| CN109540323A (en) * | 2018-12-29 | 2019-03-29 | 肇庆爱晟传感器技术有限公司 | A kind of universal tube surfaces thermometric temperature sensor |
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| CN201974247U (en) * | 2011-02-23 | 2011-09-14 | 宁波奥克斯电气有限公司 | Thermoelectric couple clamp |
| CN203908691U (en) * | 2014-05-19 | 2014-10-29 | 广东美的集团芜湖制冷设备有限公司 | An air conditioner and a thermometer bulb clamp thereof |
| US20170268934A1 (en) * | 2015-08-11 | 2017-09-21 | Rey Harju | Pipe clamp thermocouple |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112179513A (en) * | 2020-09-18 | 2021-01-05 | 中国航发四川燃气涡轮研究院 | Multipoint temperature measuring device for thermal fatigue test and operation method thereof |
| CN112179513B (en) * | 2020-09-18 | 2023-01-17 | 中国航发四川燃气涡轮研究院 | Multipoint temperature measuring device for thermal fatigue test and operation method thereof |
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Application publication date: 20191220 |
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| RJ01 | Rejection of invention patent application after publication |