CN217060041U - A quick temperature change structure for insulating oil resistivity tester - Google Patents
A quick temperature change structure for insulating oil resistivity tester Download PDFInfo
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- CN217060041U CN217060041U CN202220841934.8U CN202220841934U CN217060041U CN 217060041 U CN217060041 U CN 217060041U CN 202220841934 U CN202220841934 U CN 202220841934U CN 217060041 U CN217060041 U CN 217060041U
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Abstract
The utility model discloses a quick temperature change structure for insulating oil resistivity tester, top-down includes panel, oil cup subassembly, first connecting plate, red copper heat-conducting plate that fixed connection in proper order, winding heating coil outside the oil cup subassembly, one side of red copper heat-conducting plate extends the horizontal connection piece outward, the below of horizontal connection piece is provided with bottom semiconductor refrigeration piece, bottom semiconductor refrigeration piece is connected with bottom air-cooled radiator; the other side of red copper heat-conducting plate is provided with perpendicular connection piece, the outside and the side position semiconductor refrigeration piece of perpendicular connection piece are hugged closely, side position semiconductor refrigeration piece is connected with side position forced air cooling radiator. The utility model adopts the above structure a quick temperature change structure for insulating oily resistivity tester refrigerates fast and heats insulating oil through the integral structure, satisfies insulating oily test demand.
Description
Technical Field
The utility model belongs to the technical field of insulating oil test equipment technique and specifically relates to a quick temperature change structure for insulating oil resistivity tester is related to.
Background
The insulating oil is widely applied to high-voltage electrical equipment such as transformers, oil circuit breakers, oil-filled cables, power capacitors, oil sleeves and the like. In operation, the insulating oil is gradually deteriorated due to oxygen, high temperature, high humidity, sunlight, strong electric field and impurities, so that it cannot sufficiently perform an insulating function, and therefore, it is necessary to periodically perform a test on the insulating oil to determine whether the performance is deteriorated. The testing of the resistivity of the insulating oil needs to be carried out under a certain temperature condition, and the key for improving the detection efficiency is to quickly change the temperature of a sample to be detected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a quick temperature change structure for insulating oil resistivity tester, through the integrated structure to the sample that awaits measuring quick refrigeration and heat, satisfy insulating oily test demand.
In order to achieve the purpose, the utility model provides a quick temperature change structure for insulating oil resistivity tester, from top to bottom includes panel, oil cup subassembly, first connecting plate, red copper heat-conducting plate that fixedly connect in proper order, winding heating coil outside the oil cup subassembly, one side of red copper heat-conducting plate extends horizontal connection piece outwards, bottom semiconductor refrigeration piece is provided with below the horizontal connection piece, bottom semiconductor refrigeration piece is connected with bottom air-cooled radiator; the opposite side of red copper heat-conducting plate is provided with perpendicular connection piece, the outside and the side position semiconductor refrigeration piece of perpendicular connection piece are hugged closely, side position semiconductor refrigeration piece is connected with side position forced air cooling radiator.
Preferably, a second connecting plate is arranged between the first connecting plate and the oil cup assembly, and a semicircular groove is formed in one side, close to the oil cup assembly, of the second connecting plate.
Preferably, red copper heat-conducting plate below is provided with the fixed plate of L shape, side position forced air cooling radiator below is provided with the bottom layer board of L shape, the bottom of side position forced air cooling radiator with the long limit of bottom layer board passes through screw fixed connection, the minor face of bottom layer board with the minor face of fixed plate passes through screw fixed connection, the long limit of fixed plate with red copper heat-conducting plate fixed connection.
Preferably, the vertical connecting piece is glued with the side semiconductor refrigerating piece, and the water absorption cotton is wound outside the vertical connecting piece and the side semiconductor refrigerating piece.
Preferably, the horizontal connecting piece is glued with the bottom semiconductor refrigerating piece, and the water-absorbing cotton is wound outside the horizontal connecting piece and the bottom semiconductor refrigerating piece.
Therefore, the utility model adopts the above structure a quick temperature change structure for insulating oil resistivity tester, through the insulating oil rapid heating of the heating coil outside the oil cup subassembly in to the oil cup, realize quick heat dissipation through semiconductor refrigeration piece and the air-cooled radiator that pastes with the red copper heat conduction board, overall structure is compact, and heating and radiating efficiency are fast, fully provided insulating oil's test temperature demand.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a structural explosion diagram of an embodiment of a rapid temperature change structure for an insulating oil resistivity tester according to the present invention;
FIG. 2 is an exploded view of another embodiment of the present invention;
fig. 3 is a schematic side view of a red copper heat-conducting plate and its lower structure according to an embodiment of the present invention.
Reference numerals
1. A panel; 2. an oil cup assembly; 3. a first connecting plate; 4. a red copper heat-conducting plate; 41. a through hole; 42. a horizontal connecting sheet; 43. a vertical connecting sheet; 5. a second connecting plate; 6. a side air-cooled radiator; 61. a side semiconductor refrigerating sheet; 7. a bottom air-cooled radiator; 71. a bottom semiconductor refrigerating sheet; 8. a bottom pallet; 9. and (7) fixing the plate.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Examples
As shown in the figure, the quick temperature change structure for the insulating oil resistivity tester comprises a panel 1, an oil cup assembly 2, a first connecting plate 3 and a red copper heat-conducting plate 4 which are sequentially and fixedly connected from top to bottom, and all the parts are fixedly connected through reserved screws and screw holes. The heating coil formed by the enameled wires is wound outside the oil cup assembly 2, so that medium-frequency heating is realized, and the oil temperature in the oil cup can be quickly increased.
A horizontal connecting sheet 42 extends outwards from one side of the red copper heat conducting plate 4, a bottom semiconductor refrigerating sheet 71 is arranged below the horizontal connecting sheet 42, and the bottom semiconductor refrigerating sheet 71 is connected with the bottom air-cooled radiator 7; the horizontal connecting sheet 42 is glued with the bottom semiconductor refrigerating sheet 71, and the water absorption cotton is wound outside the horizontal connecting sheet 42 and the bottom semiconductor refrigerating sheet 71.
The other side of the red copper heat conducting plate 4 is provided with a vertical connecting sheet 43, the outer side of the vertical connecting sheet 43 is tightly attached to the side position semiconductor refrigerating sheet 61, and the side position semiconductor refrigerating sheet 61 is connected with the side position air-cooled radiator 6. The vertical connecting sheet 43 is glued with the side semiconductor refrigerating sheet 61, and the water absorption cotton is wound outside the vertical connecting sheet 43 and the side semiconductor refrigerating sheet 61. The cotton that absorbs water can prevent that the dew of condensation from dripping to other circuit structure of below on the semiconductor refrigeration piece, protective apparatus safety.
The vertical connecting sheet 43 and the horizontal connecting sheet 42 which extend outwards on the red copper heat conducting plate 4 realize the light design, and the heat conducting efficiency is higher through the volume as small as possible. The red copper heat conducting plate 4 is high in heat conductivity coefficient, the semiconductor refrigerating sheet is attached to the red copper heat conducting plate 4, heat is transferred to the cold face of the semiconductor refrigerating sheet from the oil cup, the hot face of the semiconductor refrigerating sheet carries the heat out through the air cooling radiator, and the air cooling radiator can continuously and efficiently cool the hot face of the semiconductor refrigerating sheet, so that the cold face of the semiconductor refrigerating sheet maintains low temperature, the refrigerating effect is accelerated, and the test oil in the oil cup is quickly reduced to 20 ℃ from the room temperature.
A second connecting plate 5 is arranged between the first connecting plate 3 and the oil cup component 2, a semicircular groove is formed in one side, close to the oil cup component 2, of the second connecting plate 5, and the second connecting plate 5 and the panel 1 are used for achieving connection of the whole structure and the outside. The centers of the first connecting plate 3 and the red copper heat-conducting plate 4 are both provided with through holes 41, so that a passing space is reserved for pipelines of the oil cups.
Therefore, the utility model adopts the above structure a quick temperature change structure for insulating oil resistivity tester, through the insulating oil rapid heating of the heating coil in to the oil cup outside the oil cup subassembly 2 of winding, realize quick heat dissipation through semiconductor refrigeration piece and the air-cooled radiator that pastes mutually with red copper heat-conducting plate 4, overall structure is compact, and heating and radiating efficiency are fast, fully provided insulating oil's test temperature demand.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a quick temperature change structure for insulating oil resistivity tester which characterized in that: the oil cup assembly is externally wound with a heating coil, one side of the red copper heat-conducting plate extends outwards to form a horizontal connecting sheet, a bottom semiconductor refrigerating sheet is arranged below the horizontal connecting sheet, and the bottom semiconductor refrigerating sheet is connected with a bottom air-cooled radiator; the other side of red copper heat-conducting plate is provided with perpendicular connection piece, the outside and the side position semiconductor refrigeration piece of perpendicular connection piece are hugged closely, side position semiconductor refrigeration piece is connected with side position forced air cooling radiator.
2. The rapid temperature change structure for the insulating oil resistivity tester according to claim 1, characterized in that: and a second connecting plate is arranged between the first connecting plate and the oil cup assembly, and a semicircular groove is formed in one side, close to the oil cup assembly, of the second connecting plate.
3. The rapid temperature change structure for the insulating oil resistivity tester according to claim 1, characterized in that: the utility model discloses a copper heat-conducting plate, including red copper heat-conducting plate, side position forced air cooling radiator, the fixed plate of L shape is provided with to red copper heat-conducting plate below, side position forced air cooling radiator below is provided with the bottom layer board of L shape, the bottom of side position forced air cooling radiator with the long limit of bottom layer board passes through screw fixed connection, the minor face of bottom layer board with the minor face of fixed plate passes through screw fixed connection, the long limit of fixed plate with red copper heat-conducting plate fixed connection.
4. The rapid temperature change structure for the insulating oil resistivity tester according to claim 3, characterized in that: the vertical connecting piece is connected with the lateral semiconductor refrigerating piece in an adhesive mode, and the vertical connecting piece is wound outside the lateral semiconductor refrigerating piece to absorb water.
5. The rapid temperature change structure for the insulating oil resistivity tester according to claim 4, characterized in that: the horizontal connecting piece is connected with the bottom semiconductor refrigerating piece in an adhesive mode, and the water absorption cotton is wound outside the horizontal connecting piece and the bottom semiconductor refrigerating piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841934.8U CN217060041U (en) | 2022-04-12 | 2022-04-12 | A quick temperature change structure for insulating oil resistivity tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841934.8U CN217060041U (en) | 2022-04-12 | 2022-04-12 | A quick temperature change structure for insulating oil resistivity tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217060041U true CN217060041U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220841934.8U Active CN217060041U (en) | 2022-04-12 | 2022-04-12 | A quick temperature change structure for insulating oil resistivity tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217060041U (en) |
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2022
- 2022-04-12 CN CN202220841934.8U patent/CN217060041U/en active Active
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