CN203179866U - Active heat radiation apparatus for rectification unit - Google Patents
Active heat radiation apparatus for rectification unit Download PDFInfo
- Publication number
- CN203179866U CN203179866U CN 201320196493 CN201320196493U CN203179866U CN 203179866 U CN203179866 U CN 203179866U CN 201320196493 CN201320196493 CN 201320196493 CN 201320196493 U CN201320196493 U CN 201320196493U CN 203179866 U CN203179866 U CN 203179866U
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- air
- air channel
- flow
- rectification unit
- active heat
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Abstract
The utility model relates to an active heat radiation apparatus for a rectification unit. The active heat radiation apparatus comprises a thyristor array composed of a plurality of thyristors, radiators arranged on upper surfaces of the thyristors and an air channel. The air channel is composed of a back plate and a pair of side plates, and the side plates are symmetrically and vertically arranged on the surface of the back plate, and thus a recessed air channel opened vertically is formed. A blower fan which drives air to flow from bottom to top is arranged under the air channel. The thyristor array is uniformly arranged on the back plate of the air channel, thereby forming an overflowing type automatic device.
Description
Technical field
The utility model relates to field of power electronics, is specifically related to the active heat abstractor of a kind of rectification unit.
Background technology
Silicon controlled rectifier is a kind of based on controllable silicon (thyristor), is the AC-DC controlled rectification electrical equipment of core with the intelligent digital control circuit.Claim rectifier, silicon controlled rectifier etc. again.Plurality of advantages such as it has efficient height, no mechanical noise and wearing and tearing, response speed is fast, volume is little, in light weight are at rolling mill, roll in the control of large power-consuming equipments such as paper machine and be used widely.Because in the process that powerful device is controlled, temperature sharply raise when bigger electric current can cause thyristor work, too high temperature can badly influence response speed and the useful life of thyristor.
Traditional heat abstractor adopts the exhausting type radiator structure that installs cooling fan at power distribution cabinet cabinet top additional, utilize blower fan that the air in the cabinet is discharged, cause negative pressure in the cabinet, thereby the air inlet then on cabinet sucks outside Cryogenic air and spread in and is components and parts cooling in the cabinet in the cabinet space, this traditional heat-dissipating mode is because the air-flow and the air quantity that suck in the cabinet are less, the radiator that is installed in the thyristor surface mainly still carries out passive heat transmission by contacting with ambient air, this heat exchanger effectiveness is lower and inhomogeneous, generally speaking, the temperature of cabinet air inlet place components and parts is lower, temperature away from the air inlet place then progressively raises, in addition, carry out heat exchange hot-air afterwards with the thyristor spreader surface and concentrate on cabinet top, cause local temperature too high, still can influence the serviceability of equipment and use safety, can only constantly increase the power of cooling fan in order to increase radiating efficiency.Though obvious this cooling system has advantage of simple structure, its radiating efficiency is influenced by the size of cooling fan power mainly, and radiating efficiency is still not ideal enough.
The utility model content
The purpose of this utility model: be intended to-provide the active heat abstractor of a kind of rectification unit simple in structure, that radiating efficiency is higher.
In order to achieve the above object, the technical solution of the utility model has provided the active heat abstractor of a kind of rectification unit, comprise the thyristor array of being formed by some thyristors and the radiator that is arranged on the thyristor upper surface, it is characterized in that: the active heat abstractor of described rectification unit also comprises an air-flow air channel, described air-flow air channel is made up of the pair of side plates that backboard and symmetry are vertically set on back plate surface, constitute the spill air-flow air channel of upper and lower opening thus, below, described air-flow air channel is provided with the blower fan that impels air to flow from bottom to top, described thyristor array evenly is arranged on the backboard in air-flow air channel, constitutes the overflow-type automatics thus.
Described radiator and thyristor array all are arranged in the described air-flow air channel.
Lower end, described air-flow air channel also is provided with the air channel connecting portion, and the air outlet of described blower fan is fixedlyed connected with the under shed in air-flow air channel by the air channel connecting portion.
Described backboard both sides are provided with for the fixing hanging hole in air-flow air channel.
Main advantage of the present utility model is:
1. by the thyristor array being arranged in the spill air-flow air channel, and the steering current flow direction, focused airflow air quantity, increase air velocity, make the thyristor original paper of heat dissipation capacity maximum can access maximum refrigerating capacity, make also that simultaneously cooling flow can be sent to farther distance in the air-flow air channel, even the air intake vent thyristor element at a distance apart from the air-flow air channel also can effectively be dispelled the heat, flowing fast of air also improved the heat exchanger effectiveness of thyristor surface radiating device and air greatly.
2. adopt the pressure active air supply mode that blower fan is set below the air-flow air channel, utilize the air-flow air channel directly the Cryogenic air of bottom to be concentrated and blow to heater element, have the distinguishing feature that air quantity is big, flow velocity is fast, thereby reach higher radiating efficiency.The radiator of flowing through carries out hot-air after the heat exchange and rises and discharge from the ventilating opening at cabinet top, and the air that constantly charges into makes and keep malleation in the cabinet that the hot-air that effluxes can not sucked again influences radiating efficiency in the cabinet.In addition, fast flow air makes and is difficult for that dust deposit is arranged in the cabinet, keeps the cabinet of internal positive pressure also to be difficult for making external dust to descend slowly and lightly in cabinet, for the safe operation of electronic devices and components provides guarantee.
3. the air-flow air channel only is made up of the side plate of the floor of settling components and parts and guiding air flow, end face, bottom surface and positive all with extraneous UNICOM, this spill air-flow air channel is in the guiding air flow, taken into account the heat radiation of low-temperature device outside the heat radiation of high-temperature components in the air channel and the air channel, the Cryogenic air that makes blower fan introduce can fully be applied to whole cabinet space.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is structure chart of the present utility model;
Among the figure: the connecting portion 6-blower fan 7-hanging hole of 1-side plate 2-backboard 3-thyristor 4-radiator 5-air channel.
Embodiment
Below we come the active heat abstractor of this rectification unit is further described in detail with concrete example by reference to the accompanying drawings, in the hope of set forth its structure and occupation mode more clearly.
The active heat abstractor of this rectification unit, comprise the thyristor array of being formed by some thyristors 3 and the radiator 4 that is arranged on thyristor 3 surfaces, it is characterized in that: the active heat abstractor of described rectification unit also comprises an air-flow air channel, described air-flow air channel is made up of the pair of side plates 1 that backboard 2 and symmetry are vertically set on backboard 2 surfaces, constitute the spill air-flow air channel of upper and lower opening thus, below, described air-flow air channel is provided with the blower fan 6 that impels air to flow from bottom to top, described thyristor array evenly is arranged on the backboard 2 in air-flow air channel, and described radiator 4 and thyristor array all are arranged in the described air-flow air channel.
This overflow-type automatic heat radiator adopts the pressure active air supply mode that blower fan 6 is set below the air-flow air channel, utilize the air-flow air channel directly the Cryogenic air of bottom to be concentrated and blow to heater element and radiator 4.Have the distinguishing feature that air quantity is big, flow velocity is fast, thereby realize higher radiating efficiency.The air-flow air channel only is made up of the side plate 1 of the backboard 2 of settling components and parts and guiding air flow, the end face in air-flow air channel, bottom surface and positive all with extraneous UNICOM, this spill air-flow air channel is in the guiding air flow, taken into account the heat radiation of low-temperature device outside the heat radiation of high-temperature components in the air channel and the air channel, the Cryogenic air that makes blower fan introduce can fully be applied to whole cabinet space.The radiator 4 of flowing through carries out hot-air after the heat exchange and rises and discharge from the ventilating opening at cabinet top, and the air that constantly charges into makes and keep malleation in the cabinet that the hot-air that effluxes can not sucked again influences radiating efficiency in the cabinet.In addition, fast flow air makes and is difficult for that dust deposit is arranged in the cabinet, keeps the cabinet of internal positive pressure also to be difficult for making external dust to descend slowly and lightly in cabinet, for the safe operation of electronic devices and components provides guarantee.
Lower end, described air-flow air channel also is provided with air channel connecting portion 5, and the air outlet of described blower fan 6 is fixedlyed connected with the under shed in air-flow air channel by air channel connecting portion 5.The air outlet size coupling of the under shed of air channel connecting portion 5 and blower fan 6, the under shed size coupling in the upper shed of air channel connecting portion 5 and air-flow air channel, guarantee that the air quantity of blower fan 6 output mainly carried by the air-flow air channel, preferentially the high heat components and parts that are arranged in the air-flow air channel are dispelled the heat.Because air quantity is big in the air-flow air channel, wind speed is fast, effectively air supplying distance is long, the more components and parts or in order to reduce equipment volume even air-flow air channel inner plane is arranged, the mode that adopts multilayer to arrange, still can obtain better radiating effect, enrich the design of Related product, made it to be applicable to more diversified environment for use.
Described backboard 2 both sides are provided with for the fixing hanging hole 7 in air-flow air channel.Conveniently the air-flow air channel is fixed in the power distribution cabinet cabinet.
Claims (4)
1. active heat abstractor of rectification unit, the radiator (4) that comprises the thyristor array of being formed by some thyristors (3) and be arranged on thyristor (3) upper surface, it is characterized in that: the active heat abstractor of described rectification unit also comprises an air-flow air channel, described air-flow air channel is made up of the pair of side plates (1) that backboard (2) and symmetry are vertically set on backboard (2) surface, constitute the spill air-flow air channel of upper and lower opening thus, below, described air-flow air channel is provided with the blower fan (6) that impels air to flow from bottom to top, described thyristor array evenly is arranged on the backboard (2) in air-flow air channel, constitutes the overflow-type automatics thus.
2. the active heat abstractor of a kind of rectification unit as claimed in claim 1, it is characterized in that: described radiator (4) and thyristor array all are arranged in the described air-flow air channel.
3. the active heat abstractor of a kind of rectification unit as claimed in claim 1, it is characterized in that: lower end, described air-flow air channel also is provided with air channel connecting portion (5), and the air outlet of described blower fan (6) is fixedlyed connected with the under shed in air-flow air channel by air channel connecting portion (5).
4. the active heat abstractor of a kind of rectification unit as claimed in claim 1 is characterized in that: described backboard (2) both sides are provided with for the fixing hanging hole in air-flow air channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196493 CN203179866U (en) | 2013-04-18 | 2013-04-18 | Active heat radiation apparatus for rectification unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320196493 CN203179866U (en) | 2013-04-18 | 2013-04-18 | Active heat radiation apparatus for rectification unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203179866U true CN203179866U (en) | 2013-09-04 |
Family
ID=49076529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320196493 Expired - Fee Related CN203179866U (en) | 2013-04-18 | 2013-04-18 | Active heat radiation apparatus for rectification unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203179866U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089403A (en) * | 2018-09-19 | 2018-12-25 | 常州博瑞电力自动化设备有限公司 | A kind of excitation rectifier cabinet radiator structure |
| CN109545597A (en) * | 2018-11-28 | 2019-03-29 | 广东电网有限责任公司电力科学研究院 | A kind of radiator of solid-state switch |
| CN113895791A (en) * | 2021-10-26 | 2022-01-07 | 湖南正业科技有限公司 | Lithium battery storage device with dampproofing function |
-
2013
- 2013-04-18 CN CN 201320196493 patent/CN203179866U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109089403A (en) * | 2018-09-19 | 2018-12-25 | 常州博瑞电力自动化设备有限公司 | A kind of excitation rectifier cabinet radiator structure |
| CN109089403B (en) * | 2018-09-19 | 2024-03-26 | 常州博瑞电力自动化设备有限公司 | Excitation rectifier cabinet heat radiation structure |
| CN109545597A (en) * | 2018-11-28 | 2019-03-29 | 广东电网有限责任公司电力科学研究院 | A kind of radiator of solid-state switch |
| CN113895791A (en) * | 2021-10-26 | 2022-01-07 | 湖南正业科技有限公司 | Lithium battery storage device with dampproofing function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |