CN210840481U - Excitation rectifier cabinet heat dissipation mechanism - Google Patents
Excitation rectifier cabinet heat dissipation mechanism Download PDFInfo
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- CN210840481U CN210840481U CN201921596144.2U CN201921596144U CN210840481U CN 210840481 U CN210840481 U CN 210840481U CN 201921596144 U CN201921596144 U CN 201921596144U CN 210840481 U CN210840481 U CN 210840481U
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Abstract
The utility model discloses a heat dissipation mechanism of an excitation rectifier cabinet, which comprises a cabinet body and a rectangular heat preservation shell; the upper and lower both ends of the lateral surface of the cabinet body are equipped with second kuppe and first kuppe respectively, the upper and lower both ends of lateral surface of rectangle heat preservation casing are equipped with the cover of breathing in and admit air the cover respectively, the cover of breathing in and second kuppe sealing connection, the cover of admitting air and first kuppe sealing connection, the medial surface of the cabinet body is equipped with temperature sensor, baroceptor and singlechip, the lateral surface of rectangle heat preservation casing is equipped with sealed apron, sealed apron's lateral surface middle part is equipped with the handle, this excitation rectifier cabinet heat dissipation mechanism has following benefit: the semiconductor refrigerating sheet is used for cooling the electrical equipment, so that the noise of the excitation rectifier cabinet during working can be effectively reduced, the flow of air inside the excitation rectifier cabinet can be accelerated through the second air pump, the heat dissipation is accelerated, and the sealing cover plate is combined with the handle to facilitate the maintenance of the heat dissipation equipment.
Description
Technical Field
The utility model relates to a generator excitation heat dissipation technical field specifically is an excitation rectifier cabinet heat dissipation mechanism.
Background
At present, a rectifier cabinet is based on the principle of diode and thyristor rectification, and is a whole formed by integrating a thyristor, a radiator, a fuse, an alternating current/direct current bus and an insulating plate in a certain connection mode, has the function of converting alternating current into direct current, and can be used in the fields of direct current motor speed regulation, excitation regulation of a generator, electrolysis, electroplating and the like. Because most of the existing rectifier cabinets have high power, the current passed by elements in the cabinets is large. Like this, because the component that the loss arouses generates heat than serious, for making the component normally work, prior art mostly adopts and places the fan in rectifier cabinet inside and cool down internal components and parts, but still is difficult to reach the cooling effect of ideal. In addition, adopt inside fan heat dissipation can cause the cabinet space crowded, the reliability is low, and the while heat dissipation fan during operation can produce great noise and cause noise pollution. Meanwhile, for the cabinet body adopting the fan for heat dissipation, the surface of the cabinet body is required to be provided with the air inlet and outlet grids, so that external dust and moist gas are sucked into the rectifier cabinet, the aging of electrical elements in the cabinet body can be accelerated, and equipment short circuit can be caused in severe cases.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an excitation rectifier cabinet heat dissipation mechanism, can effectively reduce the noise that excites the rectifier cabinet during operation, can prevent again simultaneously that outside dust and humid gas from entering into the inside that excites the rectifier cabinet, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation mechanism of an excitation rectifier cabinet comprises a cabinet body and a rectangular heat preservation shell; the upper end and the lower end of the outer side surface of the cabinet body are respectively provided with a second air guide sleeve and a first air guide sleeve, the upper end and the lower end of the outer side surface of the rectangular heat-insulating shell are respectively provided with an air suction sleeve and an air inlet sleeve, the air suction sleeves are connected with the second air guide sleeves in a sealing manner, the air inlet sleeves are connected with the first air guide sleeves in a sealing manner, the inner side surface of the cabinet body is provided with a temperature sensor, an air pressure sensor and a single chip microcomputer, the outer side surface of the rectangular heat-insulating shell is provided with a sealing cover plate, the middle part of the outer side surface of the sealing cover plate is provided with a handle, the upper end and the lower end of the outer side surface of the sealing cover plate are respectively provided with an air inlet grid and an air outlet grid, the middle part of the inner side surface of the rectangular heat-insulating shell is provided with a heat insulating, the air inlet end of the second air pump is connected with the air suction cover through a guide pipe, the input end of the single chip microcomputer is electrically connected with the output end of an external power supply, the single chip microcomputer is respectively connected with the temperature sensor and the air pressure sensor in a two-way mode, and the output end of the single chip microcomputer is respectively electrically connected with the input ends of the first air pump, the semiconductor refrigeration sheet and the second air pump.
Further, the lateral surface of the cabinet body is equipped with the pressure release mouth, and the one end that the lateral surface of the cabinet body is close to the pressure release mouth is equipped with the decompression case, and the medial surface middle part of decompression case is equipped with the drier, and the medial surface lower extreme of decompression case is equipped with the division board, is equipped with the intake pipe on the division board, is equipped with the solenoid valve in the intake pipe, and the input of solenoid valve is connected with the output electricity of singlechip.
Furthermore, a mounting plate is arranged on one side, close to the rectangular heat-insulation shell, of the outer side face of the cabinet body, and the outer side face of the mounting plate is fixedly connected with the outer side face of the rectangular heat-insulation shell through a connecting plate.
Furthermore, one end, close to the air inlet grille, of the outer side face of the sealing cover plate is provided with a first rain-proof cover, one end, close to the air outlet grille, of the outer side face of the sealing cover plate is provided with a second rain-proof cover, and the inner side faces of the first rain-proof cover and the second rain-proof cover are both provided with insect prevention isolation nets.
Furthermore, the semiconductor refrigeration pieces are uniformly distributed on the outer side surface of the heat insulation plate from top to bottom, and the refrigeration ends of the semiconductor refrigeration pieces are arranged on one side close to the cabinet body.
Compared with the prior art, the beneficial effects of the utility model are that: this excitation rectifier cabinet heat dissipation mechanism has following benefit: the semiconductor refrigerating sheet is used for cooling the electrical equipment, so that the noise of the excitation rectifier cabinet during working can be effectively reduced, the flow of air inside the excitation rectifier cabinet can be accelerated through the second air pump, the heat dissipation is accelerated, and the sealing cover plate is combined with the handle to facilitate the maintenance of the heat dissipation equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a sectional view of the present invention.
In the figure: 1 first rain-proof cover, 2 sealed apron, 3 handles, 4 connecting plates, 5 second rain-proof covers, 6 mounting panels, 7 air inlet covers, 8 first kuppe, 9 maintenance apron, 10 decompression cases, 11 cabinets, 12 second kuppe, 13 air suction covers, 14 rectangle heat preservation casings, 15 temperature sensor, 16 pressure release mouths, 17 desiccants, 18 solenoid valves, 19 division boards, 20 air inlet pipes, 21 first air pumps, 22 semiconductor refrigeration sheets, 23 heat insulation boards, 24 second air pumps, 25 air pressure sensors and 26 singlechips.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a heat dissipation mechanism of an excitation rectifier cabinet comprises a cabinet body 11 and a rectangular heat preservation shell 14; a pressure relief nozzle 16 is arranged on the outer side surface of the cabinet body 11, a pressure relief box 10 is arranged at one end, close to the pressure relief nozzle 16, of the outer side surface of the cabinet body 11, a drying agent 17 is arranged in the middle of the inner side surface of the pressure relief box 10, a partition plate 19 is arranged at the lower end of the inner side surface of the pressure relief box 10, an air inlet pipe 20 is arranged on the partition plate 19, an electromagnetic valve 18 is arranged on the air inlet pipe 20, the input end of the electromagnetic valve 18 is electrically connected with the output end of a single chip microcomputer 26, a mounting plate 6 is arranged on one side, close to a rectangular heat preservation shell 14, of the outer side surface of the mounting plate 6 and the outer side surface of the rectangular heat preservation shell 14 are fixedly connected through a connecting plate 4, a second flow guide cover 12 and a first flow guide cover 8 are respectively arranged at the upper end and the lower end of the outer side surface of the, the inner side surface of the cabinet body 11 is provided with a temperature sensor 15, an air pressure sensor 25 and a single chip microcomputer 26, the outer side surface of the rectangular heat preservation shell 14 is provided with a sealing cover plate 2, the middle part of the outer side surface of the sealing cover plate 2 is provided with a handle 3, the upper end and the lower end of the outer side surface of the sealing cover plate 2 are respectively provided with an air inlet grid and an air outlet grid, one end, close to the air inlet grid, of the outer side surface of the sealing cover plate 2 is provided with a first rain cover 1, one end, close to the air outlet grid, of the outer side surface of the sealing cover plate 2 is provided with a second rain cover 5, the inner side surfaces of the first rain cover 1 and the second rain cover 5 are respectively provided with an insect prevention isolation net, the middle part of the inner side surface of the rectangular heat preservation shell 14 is provided with a heat insulation, one side that rectangle heat preservation casing 14's medial surface is close to the grid of giving vent to anger is equipped with first air pump 21, the end of giving vent to anger of first air pump 21 passes through the pipe and links to each other with the grid of giving vent to anger, the medial surface of rectangle heat preservation casing 14 is close to the one end of cover 13 of breathing in and is equipped with second air pump 24, the inlet end of second air pump 24 passes through the pipe and links to each other with the cover 13 of breathing in, singlechip 26's input is connected with external power source's output electricity, singlechip 26 respectively with 15 and atmospheric pressure sensor 25 both way junction, singlechip 26's output respectively with first air pump 21, semiconductor refrigeration piece 22 and second air pump 24's input electricity is connected: the electric equipment is cooled through the semiconductor refrigerating sheet 22, so that the noise of the excitation rectifier cabinet during working can be effectively reduced, the flow of air inside the excitation rectifier cabinet can be accelerated through the second air pump 24, and therefore the heat dissipation is accelerated, and the sealing cover plate 2 is combined with the handle 3 to facilitate the maintenance of the heat dissipation equipment.
When in use: an external power supply is switched on, the semiconductor refrigeration piece 22 refrigerates the gas inside the rectangular heat preservation shell 14 close to the inside of the cabinet body 11, the refrigerated gas is sent into the internal electric elements of the cabinet body 11 through the second air pump 24 to dissipate heat, and meanwhile, the first air pump 21 pumps out high-temperature gas generated by heat exchange on the inner side surface of the rectangular heat preservation shell 14, so that the heating end of the semiconductor refrigeration piece 22 is cooled.
It should be noted that the specific type of the single chip microcomputer 26 disclosed in this embodiment is siemens S7-200, and the method commonly used in the prior art is adopted for controlling the first air pump 21, the semiconductor refrigeration sheet 22 and the second air pump 24 by the single chip microcomputer 26.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an excitation rectifier cabinet heat dissipation mechanism which characterized in that: comprises a cabinet body (11) and a rectangular heat-insulating shell (14); the upper end and the lower end of the outer side surface of the cabinet body (11) are respectively provided with a second air guide sleeve (12) and a first air guide sleeve (8), the upper end and the lower end of the outer side surface of the rectangular heat preservation shell (14) are respectively provided with an air suction sleeve (13) and an air inlet sleeve (7), the air suction sleeves (13) are hermetically connected with the second air guide sleeves (12), the air inlet sleeves (7) are hermetically connected with the first air guide sleeves (8), the inner side surface of the cabinet body (11) is provided with a temperature sensor (15), an air pressure sensor (25) and a single chip microcomputer (26), the outer side surface of the rectangular heat preservation shell (14) is provided with a sealing cover plate (2), the middle part of the outer side surface of the sealing cover plate (2) is provided with a handle (3), the upper end and the lower end of the outer side surface of the sealing cover plate (2) are respectively provided with an air inlet grating and an air outlet, one side that the medial surface of rectangle heat preservation casing (14) is close to the grid of giving vent to anger is equipped with first air pump (21), the end of giving vent to anger of first air pump (21) passes through the pipe and links to each other with the grid of giving vent to anger, the medial surface of rectangle heat preservation casing (14) is close to the one end of breathing in cover (13) and is equipped with second air pump (24), the inlet end of second air pump (24) passes through the pipe and links to each other with breathing in cover (13), the input and the external power source's of singlechip (26) output electricity are connected, singlechip (26) respectively with temperature sensor (15) and baroceptor (25) both way junction, the output of singlechip (26) respectively with first air pump (21), the input electricity of semiconductor refrigeration piece (22).
2. The excitation rectifier cabinet heat dissipation mechanism of claim 1, wherein: the lateral surface of the cabinet body (11) is provided with a pressure relief nozzle (16), one end, close to the pressure relief nozzle (16), of the lateral surface of the cabinet body (11) is provided with a pressure relief box (10), the middle part of the medial surface of the pressure relief box (10) is provided with a drying agent (17), the lower end of the medial surface of the pressure relief box (10) is provided with a partition plate (19), the partition plate (19) is provided with an air inlet pipe (20), the air inlet pipe (20) is provided with an electromagnetic valve (18), and the input end of the electromagnetic valve (18) is electrically connected.
3. The excitation rectifier cabinet heat dissipation mechanism of claim 1, wherein: one side of the outer side face of the cabinet body (11) close to the rectangular heat-insulation shell (14) is provided with a mounting plate (6), and the outer side face of the mounting plate (6) is fixedly connected with the outer side face of the rectangular heat-insulation shell (14) through a connecting plate (4).
4. The excitation rectifier cabinet heat dissipation mechanism of claim 1, wherein: one end, close to the air inlet grille, of the outer side face of the sealing cover plate (2) is provided with a first rain cover (1), one end, close to the air outlet grille, of the outer side face of the sealing cover plate (2) is provided with a second rain cover (5), and insect prevention isolation nets are arranged on the inner side faces of the first rain cover (1) and the second rain cover (5).
5. The excitation rectifier cabinet heat dissipation mechanism of claim 1, wherein: the semiconductor refrigeration pieces (22) are uniformly distributed on the outer side surface of the heat insulation plate (23) from top to bottom, and the refrigeration ends of the semiconductor refrigeration pieces (22) are arranged on one side close to the cabinet body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921596144.2U CN210840481U (en) | 2019-09-24 | 2019-09-24 | Excitation rectifier cabinet heat dissipation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921596144.2U CN210840481U (en) | 2019-09-24 | 2019-09-24 | Excitation rectifier cabinet heat dissipation mechanism |
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| CN210840481U true CN210840481U (en) | 2020-06-23 |
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| CN201921596144.2U Active CN210840481U (en) | 2019-09-24 | 2019-09-24 | Excitation rectifier cabinet heat dissipation mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112888250A (en) * | 2021-01-15 | 2021-06-01 | 奇信科技(广东)有限公司 | Modular data center |
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2019
- 2019-09-24 CN CN201921596144.2U patent/CN210840481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112888250A (en) * | 2021-01-15 | 2021-06-01 | 奇信科技(广东)有限公司 | Modular data center |
| CN112888250B (en) * | 2021-01-15 | 2022-12-13 | 奇信科技(广东)有限公司 | Modular data center |
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