CN203353031U - Heat dissipation and electromagnetic shielding device for three-phase static converter - Google Patents

Heat dissipation and electromagnetic shielding device for three-phase static converter Download PDF

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Publication number
CN203353031U
CN203353031U CN 201320424159 CN201320424159U CN203353031U CN 203353031 U CN203353031 U CN 203353031U CN 201320424159 CN201320424159 CN 201320424159 CN 201320424159 U CN201320424159 U CN 201320424159U CN 203353031 U CN203353031 U CN 203353031U
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China
Prior art keywords
plate
phase static
heat
interior
heat dissipation
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CN 201320424159
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Chinese (zh)
Inventor
何雪松
李正霖
陈昱
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CHENGDU XINZHOU AVIATION EQUIPMENT Co Ltd
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CHENGDU XINZHOU AVIATION EQUIPMENT Co Ltd
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Priority to CN 201320424159 priority Critical patent/CN203353031U/en
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Abstract

The utility model discloses a heat dissipation and electromagnetic shielding device for a three-phase static converter. The heat dissipation and electromagnetic shielding device comprises a bottom plate. A U-shaped housing is disposed on the bottom plate, and the U-shaped housing and the bottom plate form a cavity together. The heat dissipation and electromagnetic shielding device is characterized in that the upper surface of the U-shaped housing is provided with a first heat dissipation hole; an end, adjacent to the first heat dissipation hole, of the U-shaped housing is provided with an end cap; the surface of the end cap is provided with a second heat dissipation hole; and a heat dissipation assembly is further disposed in the cavity. The heat dissipation and electromagnetic shielding device for the three-phase static converter is advantageous in that the heat dissipation and electromagnetic shielding effects of the three-phase converter can be improved.

Description

The heat radiation of three phase static unsteady flow and electromagnetic screen
Technical field
The utility model belongs to aviation record electronic equipment, is specifically related to a kind of three phase static unsteady flow heat radiation and electromagnetic screen.
Background technology
At present, when aircraft causes work with three-phase static convert because power is large, efficiency is low, caloric value is large, for guaranteeing the product reliably working, usually adopts blower fan directly to dispel the heat to the internal power assembly of product.Due to the product radiator structure in open state, electromagnetic wave by blower fan and louvre to external radiation.Due to 3-phase power converter, during (PCC) power work, all in switching mode, can produce a large amount of switching noises.Therefore can have a strong impact on product normal operation on machine, the particularly communication of interfering station, blower fan also can bring very large noise simultaneously, for addressing the above problem, designs a kind of high efficient heat dissipation performance that both had, and has again the device of electro-magnetic screen function.Problem with three-phase static convert interfering station communication on the solution machine.
The utility model content
The utility model has overcome in prior art due to 3-phase power converter, in (PCC) power when work, is all in switching mode, can produce a large amount of switching noises, can have a strong impact on product normal operation on machine, particularly the deficiency of the communication of interfering station, provide a kind of three phase static unsteady flow heat radiation of solution and electromagnetic screen to solve the problem of 3-phase power converter heat radiation and electromagnetic shielding.
The utility model is by the following technical solutions:
A kind of three phase static unsteady flow heat radiation and electromagnetic screen, comprise base plate, and described base plate is provided with the U-shaped housing, and described U-shaped housing and a cavity of the common formation of described base plate; It is characterized in that: the upper surface of described U-shaped housing is provided with the first louvre, at described U-shaped housing, near an end of the first louvre, is provided with end cap, and the surface of described end cap is provided with the second louvre, also is provided with radiating subassembly in described cavity.
Further technical scheme is, described radiating subassembly comprises inner housing, described inner housing is arranged on described base plate, described inner housing comprises interior upper cover, the described interior upper cover all around below on four limits is connected with respectively front side board, back side panel, left plate and right plate, simultaneously between this front side board, back side panel, left plate and right plate and interior upper cover, and front side board, back side panel, left plate, right plate contact with each other between face and are equipped with conductive adhesive tape.
By conductive adhesive tape is set, improve the 3-phase power converter effectiveness.
Further technical scheme is, described covering on interior is provided with the first blower fan, described right plate is provided with the second blower fan, and the position that described the first blower fan arranges is corresponding with the position that described the first louvre arranges, the position that described the second blower fan arranges is corresponding with the position that described the second louvre arranges.
Further technical scheme is, described front side board, back side panel and interior on cover and be equipped with at least two heat radiation ribs, form heat dissipation channel between described heat radiation rib.
Left side plate and interior on cover and be equipped with the heat radiation rib, by the installation of U-shaped housing, can left side plate and interior on cap surface form air channel, then, by the effect of the first blower fan and the second blower fan, improve the radiating effect of 3-phase power converter.
Further technical scheme is, described front side board, back side panel, left plate, right plate and interior upper cover are all to be made by aluminium section bar.
With further technical scheme, be that described inner housing is rectangular shape.
Further technical scheme is, the both sides of described rear end cap are respectively arranged with blinker.
With further technical scheme, be that described cavity is rectangular shape.
Compared with prior art, the beneficial effects of the utility model are:
Can better improve radiating effect and the effectiveness of 3-phase power converter.
The accompanying drawing explanation
The heat radiation of three phase static unsteady flow and electromagnetic screen overall structure schematic diagram that Fig. 1 is a kind of embodiment of the utility model.
As shown in Figure 1, wherein the Reference numeral name of correspondence is called:
1 base plate, 2U shape housing, 3 radiating subassemblies, 4 end caps, 5 first louvres, 6 second louvres.
The three phase static unsteady flow heat radiation that Fig. 2 is a kind of embodiment of the utility model and the structural representation of electromagnetic screen internal heat dissipating assembly.
As shown in Figure 2, wherein the Reference numeral name of correspondence is called:
7 left plates, 8 back side panels, 9 interior upper covers, 10 first blower fans, 11 right plates, 12 second blower fans, 13 conductive adhesive tapes, 14 heat radiation ribs, 15 front side boards.
The three phase static unsteady flow heat radiation that Fig. 3 is a kind of embodiment of the utility model and the partial structurtes schematic diagram of electromagnetic screen rear end cap.
16 blinkers.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further elaborated.
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of three phase static unsteady flow heat radiation and electromagnetic screen, comprise base plate 1 and U-shaped housing 2, described U-shaped housing 2 is arranged on described base plate 1 in the mode removably connected by bolt, and described U-shaped housing 2 forms a cavity (preferably with described base plate 1 is common, described cavity is rectangular shape), the upper surface of described U-shaped housing 2 is provided with the first louvre 5, an end at described U-shaped housing 2 close the first louvres 5 is provided with end cap 4, the surface of described end cap 4 is provided with the second louvre 6, described cavity is (preferred, described cavity is rectangular shape) in also be provided with radiating subassembly 3.
Described radiating subassembly 3 comprises inner housing, described inner housing is arranged on described base plate 1, described inner housing comprises interior upper cover 9, described interior upper cover 9 is connected with respectively front side board 15, back side panel 8, left plate 7 and right plate 11 in below, four limits all around, be provided with conductive adhesive tape 13 between described front side board 15, back side panel 8, left plate 7 and right plate 11 and interior upper cover 9, described front side board 15, back side panel 8, left plate 7, right plate 11 contact with each other between face and are provided with conductive adhesive tape 13.By being provided with conductive adhesive tape 13, described conductive adhesive tape 13 conducts electricity very well, and elastic deformation is larger, is conducive to install and improve the 3-phase power converter effectiveness.
According to an embodiment of the present utility model, described interior upper cover 9 is provided with the first blower fan 10, described right plate 11 is provided with the second blower fan 12, and the position that described the first blower fan 10 arranges is corresponding with the position that described the first louvre 5 arranges, the position that described the second blower fan 12 arranges is corresponding with the position that described the second louvre 6 arranges.
By the first blower fan 10 mode corresponding with the first louvre 5 and the second louvre 6 positions with the second blower fan 12 arranged, the heat of being convenient to the first blower fan 10 and the second blower fan 12 generations can be discharged rapidly, improves radiating efficiency.
According to an embodiment of the present utility model, be equipped with at least two heat radiation ribs 14 on described front side board 15, back side panel 8 and interior upper cover 9, described heat radiation rib 14 arranges in a parallel manner, between described heat radiation rib 14, forms heat dissipation channel, thereby improves radiating efficiency.
According to an embodiment of the present utility model, described front side board 15, back side panel 8, left plate 7 and right plate 11 and interior upper cover 9 are all (preferred by aluminium section bar, described aluminium section bar is the aviation aluminium) make, adopt aluminium section bar (preferred, described aluminium section bar is the aviation aluminium) be convenient to conductive anode is carried out in its surface, to guarantee good ground connection performance.By using aluminium section bar (preferred, described aluminium section bar is the aviation aluminium) can also alleviate the weight that machine adds part.
According to an embodiment of the present utility model, the both sides of described end cap 4 are fixedly connected with respectively blinker 16, by blinker 16 is set, improve the effect of heat radiation.
" embodiment " that spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the characteristics described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In specification, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while in conjunction with arbitrary embodiment, describing a specific features, structure or characteristics, what advocate is to realize that in conjunction with other embodiment this feature, structure or characteristics also drop in scope of the present utility model.
Although with reference to a plurality of explanatory embodiment of the present utility model, utility model is described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and execution modes, and these are revised and within execution mode will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to building block and/or the layout of subject combination layout.Except modification that building block and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.

Claims (8)

1. a three phase static unsteady flow is dispelled the heat and electromagnetic screen, comprises base plate, and described base plate is provided with the U-shaped housing, and described U-shaped housing and a cavity of the common formation of described base plate; It is characterized in that: the upper surface of described U-shaped housing is provided with the first louvre, at described U-shaped housing, near an end of the first louvre, is provided with end cap, and the surface of described end cap is provided with the second louvre, also is provided with radiating subassembly in described cavity.
2. three phase static unsteady flow according to claim 1 is dispelled the heat and electromagnetic screen, it is characterized in that: described radiating subassembly comprises inner housing, described inner housing is arranged on described base plate, described inner housing comprises interior upper cover, the described interior upper cover all around below on four limits is connected with respectively front side board, back side panel, left plate and right plate, simultaneously between this front side board, back side panel, left plate and right plate and interior upper cover, and front side board, back side panel, left plate, right plate contact with each other between face and are equipped with conductive adhesive tape.
3. three phase static unsteady flow according to claim 2 is dispelled the heat and electromagnetic screen, it is characterized in that: described covering on interior is provided with the first blower fan, described right plate is provided with the second blower fan, and the position that described the first blower fan arranges is corresponding with the position that described the first louvre arranges, the position that described the second blower fan arranges is corresponding with the position that described the second louvre arranges.
4. three phase static unsteady flow according to claim 2 heat radiation and electromagnetic screen is characterized in that: described front side board, back side panel and interior on cover and be equipped with at least two heat radiation ribs, form heat dissipation channel between described heat radiation rib.
5. three phase static unsteady flow according to claim 2 is dispelled the heat and electromagnetic screen, and it is characterized in that: described front side board, back side panel, left plate, right plate and interior upper cover are all to be made by aluminium section bar.
6. three phase static unsteady flow according to claim 2 is dispelled the heat and electromagnetic screen, and it is characterized in that: described inner housing is rectangular shape.
7. three phase static unsteady flow according to claim 1 is dispelled the heat and electromagnetic screen, and it is characterized in that: the both sides of described end cap are respectively arranged with blinker.
8. three phase static unsteady flow according to claim 1 is dispelled the heat and electromagnetic screen, and it is characterized in that: described cavity is rectangular shape.
CN 201320424159 2013-07-16 2013-07-16 Heat dissipation and electromagnetic shielding device for three-phase static converter Active CN203353031U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320424159 CN203353031U (en) 2013-07-16 2013-07-16 Heat dissipation and electromagnetic shielding device for three-phase static converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320424159 CN203353031U (en) 2013-07-16 2013-07-16 Heat dissipation and electromagnetic shielding device for three-phase static converter

Publications (1)

Publication Number Publication Date
CN203353031U true CN203353031U (en) 2013-12-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320424159 Active CN203353031U (en) 2013-07-16 2013-07-16 Heat dissipation and electromagnetic shielding device for three-phase static converter

Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107797624A (en) * 2017-11-08 2018-03-13 苏州固特斯电子科技有限公司 A kind of casing
CN107943223A (en) * 2017-11-14 2018-04-20 苏州固特斯电子科技有限公司 A kind of metal shell for being used to be electromagnetically shielded
CN107967035A (en) * 2017-11-14 2018-04-27 苏州固特斯电子科技有限公司 A kind of shell for being used to be electromagnetically shielded

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107797624A (en) * 2017-11-08 2018-03-13 苏州固特斯电子科技有限公司 A kind of casing
CN107943223A (en) * 2017-11-14 2018-04-20 苏州固特斯电子科技有限公司 A kind of metal shell for being used to be electromagnetically shielded
CN107967035A (en) * 2017-11-14 2018-04-27 苏州固特斯电子科技有限公司 A kind of shell for being used to be electromagnetically shielded

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