CN220307109U - Automatic heat dissipation system of rectification power supply cabinet - Google Patents
Automatic heat dissipation system of rectification power supply cabinet Download PDFInfo
- Publication number
- CN220307109U CN220307109U CN202321969453.6U CN202321969453U CN220307109U CN 220307109 U CN220307109 U CN 220307109U CN 202321969453 U CN202321969453 U CN 202321969453U CN 220307109 U CN220307109 U CN 220307109U
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- power supply
- heat dissipation
- supply cabinet
- rectification power
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 230000001131 transforming effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012905 input function Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses an automatic heat dissipation system of a rectification power supply cabinet, which comprises the rectification power supply cabinet, a top suction fan, a PID temperature controller, an IGBT heat dissipation fan and a PT100 temperature sensor; the top suction fan is arranged on a top cover of the rectification power supply cabinet, and an air outlet hole I opposite to an air inlet surface of the top suction fan is formed in the top cover; the IGBT cooling fan is located below the IGBT circuit box in the rectification power supply cabinet, and an air outlet hole II opposite to an air outlet of the IGBT cooling fan is formed in one side of the rectification power supply cabinet. According to the utility model, the top suction fan and the IGBT heat dissipation fan are arranged on the rectification power supply cabinet, so that the top suction heat dissipation of the transformer and the heat dissipation of the IGBT circuit can be realized, the heat dissipation performance of the rectification power supply cabinet is enhanced, the dead halt faults of the internal elements of the rectification power supply cabinet are effectively reduced, and the labor and time cost for maintaining the rectification power supply cabinet is reduced.
Description
Technical Field
The utility model relates to the technical field of rectification power supply cabinets, in particular to an automatic heat dissipation system of a rectification power supply cabinet.
Background
The high-voltage rectifying power supply is a new generation power supply device of the electric dust collector, can be widely applied to the treatment of flue gas and dust in the industries of electric power, metallurgy, chemical industry, cement and the like, is a new generation product of the traditional silicon controlled rectifier power frequency power supply, and has the effects of saving electric energy, efficiently removing dust and protecting the environment. The existing rectification power supply cabinet of the electric dust collector is free of an automatic cooling device, the cooling effect is poor, long-term high temperature in the cabinet is caused, internal components are aged in an accelerated mode, occasional dead halt faults occur, personnel are required to power off to restart and reset on site each time of faults occur, production is affected, labor force of the personnel is increased, and environmental protection accidents can occur.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an automatic heat dissipation system of a rectification power supply cabinet.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an automatic heat dissipation system of a rectification power supply cabinet comprises the rectification power supply cabinet, a top suction fan, a PID temperature controller, an IGBT heat dissipation fan and a PT100 temperature sensor; the top suction fan is arranged on a top cover of the rectification power supply cabinet, and an air outlet hole I opposite to an air inlet surface of the top suction fan is formed in the top cover; the PID temperature controller, the IGBT heat dissipation fan and the PT100 temperature sensor are arranged in the rectification power supply cabinet; PT100 temperature sensors are arranged at the positions of the rectifying transformer and the IGBT switch tube in the rectifying power supply cabinet and are used for measuring the temperature of the transforming oil of the rectifying transformer and the temperature of the IGBT switch tube; the IGBT heat dissipation fan is positioned below the IGBT circuit box in the rectification power supply cabinet, and one side of the rectification power supply cabinet is provided with an air outlet hole II opposite to an air outlet of the IGBT heat dissipation fan; the PID temperature controller is in communication connection with the top suction fan, the IGBT heat dissipation fan and the PT100 temperature sensor; at least one of the front side, the left side, the right side and the back side of the rectification power supply cabinet is provided with an air inlet structure which is communicated with the inside of the rectification power supply cabinet.
Further, the air inlet structure comprises a plurality of air inlet holes which are arranged in an array.
Further, an activated carbon honeycomb filter plate is arranged on the inner side surface of the air inlet structure.
Further, the IGBT heat dissipation fan adopts a centrifugal fan.
Further, the PID temperature controller is integrated with the IGBT circuit box.
The utility model has the beneficial effects that: according to the utility model, the top suction fan and the IGBT heat dissipation fan are arranged on the rectification power supply cabinet, so that the top suction heat dissipation of the transformer and the heat dissipation of the IGBT circuit can be realized, the heat dissipation performance of the rectification power supply cabinet is enhanced, the dead halt faults of the internal elements of the rectification power supply cabinet are effectively reduced, and the labor and time cost for maintaining the rectification power supply cabinet is reduced.
Drawings
Fig. 1 is an overall schematic diagram of an automatic heat dissipation system of a rectification power supply cabinet in an embodiment of the utility model.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings, and it should be noted that, while the present embodiment provides a detailed implementation and a specific operation process on the premise of the present technical solution, the protection scope of the present utility model is not limited to the present embodiment.
The embodiment provides an automatic heat dissipation system of a rectification power supply cabinet, which is shown in fig. 1 and comprises the rectification power supply cabinet 1, a top suction fan 2, a PID temperature controller 8, an IGBT heat dissipation fan 5 and a PT100 temperature sensor; the top suction fan 2 is arranged on a top cover 3 of the rectification power supply cabinet 1, and an air outlet hole I (300 mm or 300 mm) opposite to an air inlet surface of the top suction fan 2 is formed in the top cover 3; the PID temperature controller 8, the IGBT heat dissipation fan 5 and the PT100 temperature sensor are arranged in the rectifying power cabinet 1; PT100 temperature sensors are arranged at the positions of the rectifying transformer and the IGBT switch tube in the rectifying power cabinet 1 and are used for measuring the temperature of the transforming oil of the rectifying transformer and the temperature of the IGBT switch tube; the IGBT radiator 5 is located below the IGBT circuit box 6 in the rectifying power cabinet 1, and one side (the left side in this embodiment) of the rectifying power cabinet 1 is provided with an air outlet hole two opposite to the air outlet of the IGBT radiator 5; the PID temperature controller 8 is in communication connection with the top suction fan 2, the IGBT heat dissipation fan 5 and the PT100 temperature sensor; at least one of the front, left side, right side and back of the rectifying power cabinet 1 is provided with an air inlet structure 4, and the air inlet structure 4 is communicated with the inside of the rectifying power cabinet 1 (the front and right sides of the rectifying power cabinet 1 are provided with the air inlet structure 4).
In this embodiment, the air inlet structure 4 includes a plurality of air inlet holes arranged in an array.
In this embodiment, an activated carbon honeycomb filter plate (not shown in the figure) is disposed on the inner side surface of the air inlet structure 4.
In this embodiment, the IGBT radiator fan 5 is a centrifugal fan.
In this embodiment, the PID temperature controller 8 is integrated with the IGBT circuit box 6.
In this embodiment, the PID temperature controller adopts a dual-screen LED digital display and has a light beam analog indication function (0-100%). The device has 36 signal input functions, and can arbitrarily select input signal types; 0.2% level measurement accuracy. The LED alarm lamp has the alarm functions of upper and lower limit alarm, deviation alarm, LBA alarm, flashing alarm and the like, and is provided with an LED alarm lamp indication. The output control modes such as current, voltage, SSR drive, single/three-phase thyristor zero crossing trigger, relay contact and the like can be selected. The automatic PID parameter setting function is provided, the manual/automatic undisturbed switching function is controlled and output, and the automatic disturbance switching function is accurate in control and free from overshoot. And the RS485 and RS232 serial interfaces are supported, and a standard MODBUS RTU communication protocol is adopted.
The working principle of the automatic heat dissipation system of the rectification power supply cabinet is as follows: and the PID temperature controller acquires temperature data of the rectifier transformer and the IGBT switch tube from the PT100 temperature sensor, and when the transformer oil temperature exceeds 85 ℃ and/or the IGBT switch tube temperature exceeds 90 ℃, the top suction fan and/or the IGBT heat dissipation fan is controlled to start heat dissipation.
In the existing rectifying power cabinet, corrugated cooling fins are attached to the side wall of a rectifying transformer oil tank, transformer oil is filled with the cooling fins, and a closed air duct is arranged on the periphery of the cooling fins. After the top suction fan is started, the top suction fan guides the external air to flow from bottom to top and discharge the external air through suction, so that the convection heat exchange between the radiating fin and the external air is realized. And after the IGBT heat dissipation fan is started, the cold and heat exchange between the IGBT circuit box and the outside air can be enhanced in a targeted manner, and the hot air is discharged from one side of the rectification power supply cabinet. The inside of the air inlet structure is provided with the activated carbon honeycomb filter plate, so that external sulfur dioxide gas can be prevented from entering the rectification power supply cabinet to corrode components in the cabinet.
Various modifications and variations of the present utility model will be apparent to those skilled in the art in light of the foregoing teachings and are intended to be included within the scope of the following claims.
Claims (5)
1. The automatic heat dissipation system of the rectification power supply cabinet is characterized by comprising the rectification power supply cabinet, a top suction fan, a PID temperature controller, an IGBT heat dissipation fan and a PT100 temperature sensor; the top suction fan is arranged on a top cover of the rectification power supply cabinet, and an air outlet hole I opposite to an air inlet surface of the top suction fan is formed in the top cover; the PID temperature controller, the IGBT heat dissipation fan and the PT100 temperature sensor are arranged in the rectification power supply cabinet; PT100 temperature sensors are arranged at the positions of the rectifying transformer and the IGBT switch tube in the rectifying power supply cabinet and are used for measuring the temperature of the transforming oil of the rectifying transformer and the temperature of the IGBT switch tube; the IGBT heat dissipation fan is positioned below the IGBT circuit box in the rectification power supply cabinet, and one side of the rectification power supply cabinet is provided with an air outlet hole II opposite to an air outlet of the IGBT heat dissipation fan; the PID temperature controller is in communication connection with the top suction fan, the IGBT heat dissipation fan and the PT100 temperature sensor; at least one of the front side, the left side, the right side and the back side of the rectification power supply cabinet is provided with an air inlet structure which is communicated with the inside of the rectification power supply cabinet.
2. The automatic heat dissipation system of a rectifying power cabinet according to claim 1, wherein the air inlet structure comprises a plurality of air inlet holes arranged in an array.
3. The automatic heat dissipation system of a rectifying power cabinet according to claim 1, wherein an activated carbon honeycomb filter plate is arranged on the inner side surface of the air inlet structure.
4. The automatic heat dissipation system of a rectification power supply cabinet according to claim 1, wherein the IGBT heat dissipation fan adopts a centrifugal fan.
5. The automatic heat dissipation system of a rectified power cabinet of claim 1, wherein the PID temperature controller is integrated with the IGBT circuit box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969453.6U CN220307109U (en) | 2023-07-25 | 2023-07-25 | Automatic heat dissipation system of rectification power supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321969453.6U CN220307109U (en) | 2023-07-25 | 2023-07-25 | Automatic heat dissipation system of rectification power supply cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220307109U true CN220307109U (en) | 2024-01-05 |
Family
ID=89375283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321969453.6U Active CN220307109U (en) | 2023-07-25 | 2023-07-25 | Automatic heat dissipation system of rectification power supply cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307109U (en) |
-
2023
- 2023-07-25 CN CN202321969453.6U patent/CN220307109U/en active Active
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