CN203632536U - Heat radiation structure for frequency converter - Google Patents
Heat radiation structure for frequency converter Download PDFInfo
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- CN203632536U CN203632536U CN201320835210.3U CN201320835210U CN203632536U CN 203632536 U CN203632536 U CN 203632536U CN 201320835210 U CN201320835210 U CN 201320835210U CN 203632536 U CN203632536 U CN 203632536U
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- radiator
- plate
- frequency converter
- screw
- heat
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- 230000005855 radiation Effects 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model provides a heat radiation structure for a frequency converter. The heat radiation structure comprises a first radiator used for the heat radiation of a first heating unit, a second radiator used for the heat radiation of a second heating unit, a switching plate, first screws and second screws, wherein a side surface of a substrate of the first radiator is provided with first screw holes, a side surface of a substrate of the second radiator is provided with second screw holes, the switching plate is provided with a plate-shaped main body, first installing holes are arranged at positions of the plate-shaped main body corresponding to the first screw holes, second installing holes are arranged at positions of the plate-shaped main body corresponding to the second screw holes, the first radiator penetrates through the first installing holes, is threadingly connected with the first screws of the first screw holes, and is fixed with the switching plate, and the second radiator penetrates through the second installing holes, is threadingly connected with the second screws of the second screw holes, and is fixed with the switching plate. According to the heat radiation structure for the frequency converter, the two radiators are spliced together via the switching plate, the integrity of the radiators is guaranteed under the premise that the cost is slightly increased.
Description
Technical field
The utility model relates to frequency converter field, more particularly, relates to a kind of frequency converter radiator structure.
Background technology
Frequency converter will produce certain power consumption as a kind of current transformer in running.Conventionally the power consumption of frequency converter is generally 4～5% of its capacity, and wherein Converting Unit accounts for 50%, and rectification and DC loop approximately 40%, controls and protective circuit is 5～15%, and most power consumptions are in rectification module and IGBT module.The electric energy of these consumption is generally all converted to heat, if these heats can not distribute in time, will greatly reduce reliability and the useful life of device.
In some frequency converters, IGBT module is realized by different devices respectively from rectification module.If these two devices share a drive plate, and the height difference of these two devices, cannot use a radiator is its heat radiation simultaneously.
For solving above-mentioned have the IGBT module of differing heights and the heat dissipation problem of rectification module, conventionally adopt at present the radiator of two differing heights to be respectively its heat radiation, but the radiator of two differing heights can make to produce assembling and ground structure is complicated, brings difficulty to production.
In addition, also having by mach mode and remove difference in height on same radiator, is two device heat radiations thereby use a radiator.But the high cost of difference in height is removed in machine work, be unfavorable for producing in enormous quantities.
Utility model content
The technical problems to be solved in the utility model is, for radiator ground structure complexity and the high problem of processing cost of different heat unit in above-mentioned frequency converter, provides a kind of frequency converter radiator structure.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of frequency converter radiator structure is provided, comprise be used to the first heat-generating units heat radiation the first radiator, be used to the second radiator of the second heat-generating units heat radiation; This frequency converter also comprises keyset, the first screw and the second screw with radiator structure, wherein: the side of the substrate of described the first radiator is provided with the first screw; The side of the substrate of described the second radiator is provided with the second screw; Described keyset has plate-like body and this plate-like body is provided with the first installing hole, is provided with the second installing hole corresponding to the position of the second screw corresponding to the position of the first screw; Described the first radiator is by fixing through the first installing hole the first screw and the keyset that are screwed to the first screw; Described the second radiator is by fixing through the second installing hole the screw and the keyset that are screwed to the second screw.
Use in radiator structure at frequency converter described in the utility model, described the first heat-generating units and the second heat-generating units are arranged on same drive plate, and described the first heat-generating units height of protruding from drive plate surface is greater than the second heat-generating units and protrudes from the height of drive plate.
At frequency converter described in the utility model, with in radiator structure, the height of described the first radiator is less than the height of the second radiator, and the first radiator is concordant with the end of the radiating fin of the second radiator.
Use in radiator structure at frequency converter described in the utility model, described the first installing hole is less than the distance of the second installing hole apart from the bottom of plate-like body apart from the distance of the bottom of plate-like body, and the first installing hole in the plate-like body of described keyset dorsad a side of the first radiator there is counter bore structure.
At frequency converter described in the utility model, with in radiator structure, described keyset also comprises the flanging of the bottom that is positioned at plate-like body, and this flanging is provided with fixing hole; Described flanging is perpendicular to plate-like body and be positioned at a side of plate-like body.
At frequency converter described in the utility model, with in radiator structure, the lower surface of described flanging is concordant with the end of the radiating fin of the second radiator with the first radiator, and first radiator at this flanging place place or the radiating fin fovea superior of the second radiator.
Use in radiator structure described plate-like body and flanging one at frequency converter described in the utility model.
Frequency converter of the present utility model has following beneficial effect with radiator structure: by keyset, two radiators are spliced into one, have guaranteed the globality of radiator, and can shorten the efficiency of producing assembling under the few prerequisite of increase cost.And the utility model has directly improved the continuity of two radiator ground connection.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model frequency converter radiator structure embodiment.
Fig. 2 is the explosive view of frequency converter radiator in Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1-2, be the schematic diagram of the utility model frequency converter radiator structure embodiment, it is used to two heat-generating units heat radiations on same drive plate in frequency converter.Frequency converter in the present embodiment comprises the first radiator 10, the second radiator 20, keyset 30, two the first screws 41 and two the second screws 42 with radiator structure, wherein the first radiator 10 is used to the first heat-generating units (such as IGBT unit or rectification unit etc.) heat radiation, and the second radiator 20 is used to the second heat-generating units (such as IGBT unit or rectification unit etc.) heat radiation; Be provided with two the first screws in the side of the substrate of above-mentioned the first radiator 10, the side of the substrate of the second radiator 20 is provided with two the second screws 22; Keyset 30 has plate-like body (for example adopting panel beating materials processing to form) and this plate-like body is provided with two the first installing holes 31, is provided with two the second installing holes 32 corresponding to the position of the second screw 22 corresponding to the position of the first screw.Above-mentioned the first radiator 10 is by through the first installing hole 31 and to be screwed to the first screw 41 of the first screw fixing with keyset 30, and the second 20, radiator is by through the second installing hole 32 and to be screwed to the second screw 42 of the second screw 22 fixing with keyset 30.
Certainly, in actual applications, the quantity of the first screw, the first installing hole 31, the second screw 22, the second installing hole 32 first screws 41 and the second screw 42 is not limited to two in Fig. 1, can adjust according to the size of two radiators.
Above-mentioned frequency converter is spliced into one by keyset 30 by two radiators with radiator structure, has guaranteed the globality of radiator, and can directly improve the continuity of two radiator ground connection under the prerequisite that increases few cost.
Especially, above-mentioned frequency converter is arranged on same drive plate with the first heat-generating units in radiator structure and the second heat-generating units, and the first heat-generating units height of protruding from drive plate surface is greater than the second heat-generating units and protrudes from the height of drive plate.That is to say that above-mentioned frequency converter radiator structure can be the heat-generating units heat radiation with differing heights, the upper surface of the substrate of the substrate of the first radiator 10 and the second radiator 20 not at grade, as shown in Figure 1.Certainly, said structure also can be applicable in the application of three or three heater elements above with differing heights.In addition, said structure also can be applicable in the application of two or more heater elements with equal height.
As shown in Figure 1, in the present embodiment, the height of the first radiator 10 is less than the height of the second radiator 20, and the first radiator is concordant with the end of the radiating fin of the second radiator.Correspondingly, the first installing hole 31 in the plate-like body of keyset 30 is less than the distance of the second installing hole 32 apart from the bottom of plate-like body apart from the distance of the bottom of plate-like body.The first screw 41 of fixing the first radiator 10 and keyset 30 for being used in does not affect radiator and keyset 30 fits tightly, can make the first installing hole 31 in plate-like body dorsad a side of the first radiator 10 there is counter bore structure.Certainly a side of second radiator 20 dorsad of the second installing hole 32 in plate-like body also can have counter bore structure.
In addition, above-mentioned keyset 30 also can comprise the flanging 33 of the bottom that is positioned at plate-like body, and this flanging 33 is perpendicular to plate-like body and be positioned at the side (side of the first radiator 10 as shown in Figure 1, 2 of example) of plate-like body.On above-mentioned flanging 33, can be provided with fixing hole, thereby this flanging 33 can be fixed on the mounting panel of frequency converter shell inside.In the time of specific implementation, this flanging 33 can with plate-like body one.
Especially, the lower surface of above-mentioned flanging 33 is concordant with the end of the radiating fin of the second radiator 20 with the first radiator 10, and first radiator 10 at these flanging 33 place places or the second radiator 20(be the first radiator 10 shown in Fig. 1,2 for example) radiating fin fovea superior, to avoid flanging 33.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (7)
1. a frequency converter radiator structure, comprises and is used to the first radiator of the first heat-generating units heat radiation, the second radiator that is used to the second heat-generating units to dispel the heat; It is characterized in that: this frequency converter radiator structure also comprises keyset, the first screw and the second screw, wherein: the side of the substrate of described the first radiator is provided with the first screw; The side of the substrate of described the second radiator is provided with the second screw; Described keyset has plate-like body and this plate-like body is provided with the first installing hole, is provided with the second installing hole corresponding to the position of the second screw corresponding to the position of the first screw; Described the first radiator is by fixing through the first installing hole the first screw and the keyset that are screwed to the first screw; Described the second radiator is by fixing through the second installing hole the screw and the keyset that are screwed to the second screw.
2. frequency converter radiator structure according to claim 1, it is characterized in that: described the first heat-generating units and the second heat-generating units are arranged on same drive plate, and described the first heat-generating units height of protruding from drive plate surface is greater than the second heat-generating units and protrudes from the height of drive plate.
3. frequency converter radiator structure according to claim 2, it is characterized in that: the height of described the first radiator is less than the height of the second radiator, and the first radiator is concordant with the end of the radiating fin of the second radiator.
4. frequency converter radiator structure according to claim 3, it is characterized in that: described the first installing hole is less than the distance of the second installing hole apart from the bottom of plate-like body apart from the distance of the bottom of plate-like body, and the first installing hole in the plate-like body of described keyset dorsad a side of the first radiator there is counter bore structure.
5. frequency converter radiator structure according to claim 3, it is characterized in that: described keyset also comprises the flanging of the bottom that is positioned at plate-like body, and this flanging is provided with fixing hole; Described flanging is perpendicular to plate-like body and be positioned at a side of plate-like body.
6. frequency converter radiator structure according to claim 5, it is characterized in that: the lower surface of described flanging is concordant with the end of the radiating fin of the second radiator with the first radiator, and first radiator at this flanging place place or the radiating fin fovea superior of the second radiator.
7. frequency converter radiator structure according to claim 5, is characterized in that: described plate-like body and flanging one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320835210.3U CN203632536U (en) | 2013-12-17 | 2013-12-17 | Heat radiation structure for frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320835210.3U CN203632536U (en) | 2013-12-17 | 2013-12-17 | Heat radiation structure for frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632536U true CN203632536U (en) | 2014-06-04 |
Family
ID=50818972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320835210.3U Expired - Lifetime CN203632536U (en) | 2013-12-17 | 2013-12-17 | Heat radiation structure for frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203632536U (en) |
-
2013
- 2013-12-17 CN CN201320835210.3U patent/CN203632536U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |