CN219957625U - High-voltage bus insulation resistance detection device - Google Patents
High-voltage bus insulation resistance detection device Download PDFInfo
- Publication number
- CN219957625U CN219957625U CN202321085599.4U CN202321085599U CN219957625U CN 219957625 U CN219957625 U CN 219957625U CN 202321085599 U CN202321085599 U CN 202321085599U CN 219957625 U CN219957625 U CN 219957625U
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- Prior art keywords
- heat dissipation
- insulation resistance
- voltage bus
- detection device
- resistance detection
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- 238000009413 insulation Methods 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 43
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a high-voltage bus insulation resistance detection device, and belongs to the technical field of insulation resistance detection equipment. The high-efficiency heat dissipation device comprises a resistance detector and a high-efficiency heat dissipation mechanism, wherein the high-efficiency heat dissipation mechanism is arranged on the surface of the resistance detector; the high-efficiency heat dissipation mechanism comprises a heat dissipation sleeve sleeved on the surface of the resistance detector, a flowing bin is arranged on the inner wall of the heat dissipation sleeve, a negative pressure fan is fixedly connected to the top of the heat dissipation sleeve, and the negative pressure fan is communicated with the flowing bin. By arranging the high-efficiency heat dissipation mechanism, the resistance detector can be refrigerated by utilizing the heat exchange of the semiconductor refrigerating sheet, the effect can be enhanced by the air flow and the radiator, and the rapid refrigeration and the temperature reduction of the resistance detector can be completed.
Description
Technical Field
The utility model belongs to the technical field of insulation resistance detection equipment, and particularly relates to a high-voltage bus insulation resistance detection device.
Background
Insulation resistance is the most basic insulation index for electrical equipment and electrical lines. For the handover test of the low voltage electric device, the insulation resistance of the motor, the distribution equipment and the distribution line should not be lower than 0.5mΩ at normal temperature (for the equipment and the line in operation, the insulation resistance should not be lower than 1mΩ/kV). The insulation resistance of the piezoelectric device and its connection cable and secondary circuit should generally not be lower than 1mΩ; should not be below 0.5mΩ in a relatively humid environment; the insulation resistance of the secondary circuit busbar should not be lower than 10mΩ.
The high-voltage bus is provided with a plurality of insulation resistors, the insulation resistors are required to be subjected to insulation detection before being put into use, at the moment, the insulation resistor detector is required to be used for detection, the insulation resistor detector generates certain heat when working, the resistor and the temperature have a dense and inseparable relation, the resistor can be influenced by the temperature, therefore, the heat dissipation work of the insulation resistor detector is particularly important, the temperature needs to be dissipated, the temperature is prevented from influencing the resistance value, the heat dissipation mode of the existing insulation resistor detector is generally carried out through heat dissipation holes, the heat dissipation efficiency is low, part of heat is easy to stay in the insulation resistor detector to influence the resistance value, and the use of people is inconvenient.
Therefore, the high-voltage bus insulation resistance detection device needs to be designed and modified, and the phenomenon that the existing insulation resistance detector is low in heat dissipation efficiency in a heat dissipation mode is effectively prevented.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a high-voltage bus insulation resistance detection device which has the advantage of high-efficiency heat dissipation and solves the problems that the heat dissipation mode of the existing insulation resistance detection device is generally carried out through heat dissipation holes and the heat dissipation efficiency is low.
The utility model provides the following technical scheme: the high-voltage bus insulation resistance detection device comprises a resistance detector and a high-efficiency heat dissipation mechanism, wherein the high-efficiency heat dissipation mechanism is arranged on the surface of the resistance detector;
the high-efficiency heat dissipation mechanism comprises a heat dissipation sleeve sleeved on the surface of the resistance detector, a flowing bin is formed in the inner wall of the heat dissipation sleeve, a negative pressure fan is fixedly connected to the top of the heat dissipation sleeve and communicated with the flowing bin, an air inlet hole is formed in the bottom of the heat dissipation sleeve and communicated with the flowing bin, a plurality of uniformly distributed refrigerating holes are formed in the inner wall of the heat dissipation sleeve and communicated with the flowing bin, a semiconductor refrigerating sheet is fixedly connected to the inner portion of the refrigerating hole, and a radiator located inside the flowing bin is fixedly connected to the hot end of the semiconductor refrigerating sheet.
The beneficial effects of the utility model are as follows:
1. by arranging the high-efficiency heat dissipation mechanism, the resistance detector can be refrigerated by utilizing the heat exchange of the semiconductor refrigerating sheet, the effect can be enhanced by the air flow and the radiator, and the rapid refrigeration and the temperature reduction of the resistance detector can be completed.
2. The utility model has the advantage of supporting the shape by arranging the supporting columns, can support the shape of the flowing bin and avoid the phenomenon of collapse and deformation of the flowing bin in the long-time working process.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is an enlarged view of a of fig. 1 according to the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 2, the embodiment is used for a high-voltage bus insulation resistance detection device, and comprises a resistance detector 1 and a high-efficiency heat dissipation mechanism 2, wherein the high-efficiency heat dissipation mechanism 2 is arranged on the surface of the resistance detector 1, and a shell of the resistance detector 1 can be made of metal with better heat conduction efficiency; the efficient heat dissipation mechanism 2 comprises a heat dissipation sleeve 21 sleeved on the surface of the resistance detector 1, a flowing bin 22 is arranged on the inner wall of the heat dissipation sleeve 21, a negative pressure fan 23 is fixedly connected to the top of the heat dissipation sleeve 21 and communicated with the flowing bin 22, an air inlet 24 is arranged at the bottom of the heat dissipation sleeve 21 and communicated with the flowing bin 22, a plurality of uniformly distributed refrigerating holes 25 are formed in the inner wall of the heat dissipation sleeve 21 and communicated with the flowing bin 22, semiconductor refrigerating sheets 26 are fixedly connected to the inner parts of the refrigerating holes 25, the hot ends of the semiconductor refrigerating sheets 26 are arranged towards the flowing bin 22, the cold ends of the semiconductor refrigerating sheets 26 are arranged towards the resistance detector 1 and are attached to the resistance detector 1, and a radiator 27 positioned inside the flowing bin 22 is fixedly connected to the hot ends of the semiconductor refrigerating sheets 26.
Referring to fig. 1, the inside of the flow bin 22 is fixedly connected with support columns 3, and the number of the support columns 3 is a plurality and uniformly distributed in the inside of the flow bin 22.
The support column 3 is arranged in the embodiment, so that the device has the advantage of supporting the shape, the shape of the flowing bin 22 can be supported, and the phenomenon that the flowing bin 22 is easy to collapse and deform in the long-time working process is avoided.
Referring to fig. 1, a dust cover 4 is clamped at the top of a negative pressure fan 23, and a dust screen 5 is fixedly connected to the inside of an air inlet 24.
The dustproof cover 4 and the dustproof net 5 are arranged, so that the device has the dustproof advantage, dust can be prevented from entering the flowing bin 22, and the cleanliness of the flowing bin 22 is guaranteed.
Referring to fig. 1, a pull ring 6 is fixedly connected to the top of the dust cover 4, and a soft rubber ring 7 is sleeved on the surface of the pull ring 6.
This embodiment makes this device have the advantage of convenient operation through setting up pull ring 6 and soft rubber ring 7, and multiplicable shield 4's application of force point can be convenient operate shield 4, adds the follow-up change to shield 4 just.
Referring to fig. 1 and 2, the surface of the resistance detector 1 is sleeved with a high-efficiency heat conduction layer 8, and the high-efficiency heat conduction layer 8 is attached to the cold end of the semiconductor refrigeration piece 26.
The embodiment makes the device have the advantage of uniform heat exchange by arranging the high-efficiency heat conduction layer 8, and can uniformly transmit cold energy generated by the semiconductor refrigerating sheet 26 to the resistance detector 1, thereby ensuring that the resistance detector 1 can be uniformly cooled.
Referring to fig. 1, the radiator 27 is oriented in the same direction as the air flow inside the flow bin 22.
The orientation of the radiator 27 is set, so that the device has the advantage of increasing the radiating efficiency, the radiator 27 can be fully contacted with the air flow, and the radiating speed of the heat in the radiator 27 can be increased.
In order to avoid the influence of the high temperature of the resistance detector 1 on the resistance value, the semiconductor refrigerating sheet 26 in the refrigerating hole 25 is started, the low temperature can be generated at the cold end by utilizing the heat exchange of the semiconductor refrigerating sheet 26, then the temperature of the resistance detector 1 can be quickly absorbed and reduced by utilizing the contact between the low temperature and the resistance detector 1, the negative pressure fan 23 can extract the air in the flowing bin 22 at the moment, the air inlet hole 24 can compensate the external air flow into the flowing bin 22, the air flow can be generated in the flowing bin 22, the high temperature of the hot end of the semiconductor refrigerating sheet 26 can be taken away by utilizing the cooperation of the air flow and the radiator 27, the heat exchange efficiency of the semiconductor refrigerating sheet 26 is accelerated, and the refrigerating effect is accelerated.
Claims (6)
1. The utility model provides a high voltage bus insulation resistance detection device which characterized in that: the high-voltage bus insulation resistance detection device comprises a resistance detector (1) and a high-efficiency heat dissipation mechanism (2), wherein the high-efficiency heat dissipation mechanism (2) is arranged on the surface of the resistance detector (1);
the high-efficiency heat dissipation mechanism (2) comprises a heat dissipation sleeve (21) sleeved on the surface of the resistance detector (1), a flowing bin (22) is formed in the inner wall of the heat dissipation sleeve (21), a negative pressure fan (23) is fixedly connected to the top of the heat dissipation sleeve (21), the negative pressure fan (23) is communicated with the flowing bin (22), an air inlet hole (24) is formed in the bottom of the heat dissipation sleeve (21), the air inlet hole (24) is communicated with the flowing bin (22), a plurality of uniformly distributed refrigerating holes (25) are formed in the inner wall of the heat dissipation sleeve (21), the refrigerating holes (25) are communicated with the flowing bin (22), a semiconductor refrigerating sheet (26) is fixedly connected to the inner part of the refrigerating holes (25), and a radiator (27) located in the flowing bin (22) is fixedly connected to the hot end of the semiconductor refrigerating sheet (26).
2. The high-voltage bus insulation resistance detection device according to claim 1, wherein: the inside fixedly connected with support column (3) of flow storehouse (22), the quantity of support column (3) is a plurality of and equipartition in the inside of flow storehouse (22).
3. The high-voltage bus insulation resistance detection device according to claim 2, wherein: the top joint of negative pressure fan (23) has shield (4), the inside fixedly connected with dust screen (5) of inlet port (24).
4. A high voltage bus insulation resistance detection apparatus according to claim 3, wherein: the top fixedly connected with pull ring (6) of shield (4), the surface cover of pull ring (6) is equipped with soft rubber ring (7).
5. The high-voltage bus insulation resistance detection device according to claim 4, wherein: the surface cover of resistance detector (1) is equipped with high-efficient heat conduction layer (8), high-efficient heat conduction layer (8) are laminated with the cold junction of semiconductor refrigeration piece (26).
6. The high-voltage bus insulation resistance detection device according to claim 5, wherein: the radiator (27) is oriented in the same direction as the air flow inside the flow bin (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085599.4U CN219957625U (en) | 2023-05-08 | 2023-05-08 | High-voltage bus insulation resistance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321085599.4U CN219957625U (en) | 2023-05-08 | 2023-05-08 | High-voltage bus insulation resistance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219957625U true CN219957625U (en) | 2023-11-03 |
Family
ID=88553462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321085599.4U Active CN219957625U (en) | 2023-05-08 | 2023-05-08 | High-voltage bus insulation resistance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219957625U (en) |
-
2023
- 2023-05-08 CN CN202321085599.4U patent/CN219957625U/en active Active
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