CN211508928U - Inverter of variable-frequency generator - Google Patents
Inverter of variable-frequency generator Download PDFInfo
- Publication number
- CN211508928U CN211508928U CN202020637068.1U CN202020637068U CN211508928U CN 211508928 U CN211508928 U CN 211508928U CN 202020637068 U CN202020637068 U CN 202020637068U CN 211508928 U CN211508928 U CN 211508928U
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- CN
- China
- Prior art keywords
- aluminum alloy
- rectifier bridge
- fin
- inverter
- igbt chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a frequency conversion generator inverter, including rectifier bridge (1), IGBT chip (2) and aluminum alloy fin (3), IGBT chip (2) set up on aluminum alloy fin (3) medial surface, rectifier bridge (1) are connected with aluminum alloy fin (3) through plastic housing (4). The utility model has the advantages of small in size, the radiating effect is good, the use is reliable, adopt it can reduce the required fin area of dc-to-ac converter heat dissipation, simultaneously, adopt plastic casing fixed mounting aluminum alloy fin, can reduce dc-to-ac converter weight and can effectively avoid the electrical part electric leakage, improved the safety in utilization.
Description
Technical Field
The utility model relates to an inverter, especially a variable frequency generator inverter.
Background
At present, all the existing inverters of the variable frequency generator set adopt a die-casting aluminum alloy shell for installation and heat dissipation; for the inverter requiring larger power, the larger the volume, and because of the heat dissipation requirement, the larger the aluminum alloy shell needs to be made.
The utility model discloses a utility model in CN204597766U title "a heat dissipation shell and have digital generator dc-to-ac converter of this heat dissipation shell", this heat dissipation shell forms first cavity and second cavity that the opening orientation is opposite, first cavity with seted up the through-hole on the baffle between the second cavity, the material of heat dissipation shell is the aluminum product. Although the shell of the structure has a certain heat dissipation effect, the size of the shell is large, and the space of the generator is occupied.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small in size, the good converter dc-to-ac converter of radiating effect.
The utility model aims at realizing through such technical scheme, a frequency conversion generator dc-to-ac converter, including rectifier bridge, IGBT chip and aluminum alloy fin, the IGBT chip sets up on aluminum alloy fin medial extremity face, the rectifier bridge passes through plastic housing and is connected with aluminum alloy fin.
The plastic shell comprises a rectangular frame, mounting lugs are arranged on the outer wall of the rectangular frame, flanges are arranged on the inner wall of the rectangular frame, and the aluminum alloy radiating fins and the rectifier bridge are distributed on two sides of the flanges.
Further described, the flange divides the rectangular frame into a first chamber and a second chamber, the aluminum alloy fins are located in the first chamber, and the rectifier bridge is located in the second chamber.
For ease of assembly, the rectifier bridge is attached to the aluminum alloy heat sink via bolts through the IGBT chip and/or the flange.
Or, the plastic shell comprises a rectangular body, a step is arranged on one side of the rectangular body, an installation groove is formed in the inner wall of the step, and the outer edge of the aluminum alloy cooling fin is arranged in the installation groove.
Since the technical scheme is used, the utility model has the advantages of small in size, the radiating effect is good, the use is reliable, adopt it can reduce the required fin area of dc-to-ac converter heat dissipation, simultaneously, adopt plastic casing fixed mounting aluminum alloy fin, can reduce dc-to-ac converter weight and can effectively avoid the electrical part electric leakage, improved the safety in utilization.
Drawings
The drawings of the utility model are as follows:
fig. 1 is a first schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of a second structure of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the appended claims.
Example 1: as shown in fig. 1, the inverter of the variable frequency generator comprises a rectifier bridge 1, an IGBT chip 2 and an aluminum alloy radiating fin 3, wherein the IGBT chip 2 is arranged on the end surface of the inner side of the aluminum alloy radiating fin 3, and the rectifier bridge 1 is connected with the aluminum alloy radiating fin 3 through a plastic shell 4.
The plastic shell 4 comprises a rectangular frame, mounting lugs 5 are arranged on the outer wall of the rectangular frame, a flange 6 is arranged on the inner wall of the rectangular frame, and the aluminum alloy cooling fins 3 and the rectifier bridge 1 are distributed on two sides of the flange 6.
Further described, the flange 6 divides the rectangular frame into a first chamber and a second chamber, the aluminum alloy fin 3 is located in the first chamber, and the rectifier bridge 1 is located in the second chamber.
For ease of assembly, the rectifier bridge 1 is connected to the aluminum alloy heat sink 3 by bolts through the IGBT chip 2 and/or the flange 6.
Example 2: as shown in fig. 2, the plastic housing 4 includes a rectangular body, a step 7 is disposed on one side of the rectangular body, an installation groove 8 is disposed on an inner wall of the step, and an outer edge of the aluminum alloy heat sink 3 is disposed in the installation groove 8.
The utility model discloses in, can be in the same place rectifier bridge 1 with the fine assembly of aluminum alloy cooling fin 3 through plastic housing 4, aluminum alloy cooling fin 3's high radiating efficiency not only can provide better heat dissipation, makes the whole volume of dc-to-ac converter reduce moreover.
Claims (5)
1. The utility model provides a frequency conversion generator inverter, includes rectifier bridge (1), IGBT chip (2) and aluminum alloy fin (3), characterized by: the IGBT chip (2) is arranged on the inner side end face of the aluminum alloy radiating fin (3), and the rectifier bridge (1) is connected with the aluminum alloy radiating fin (3) through the plastic shell (4).
2. The inverter for a variable frequency generator of claim 1, wherein: the plastic shell (4) comprises a rectangular frame, mounting lugs (5) are arranged on the outer wall of the rectangular frame, a flange (6) is arranged on the inner wall of the rectangular frame, and the aluminum alloy radiating fins (3) and the rectifier bridge (1) are distributed on two sides of the flange (6).
3. A variable frequency generator inverter as claimed in claim 2, wherein: the rectangular frame is divided into a first cavity and a second cavity by the flange (6), the aluminum alloy cooling fins (3) are located in the first cavity, and the rectifier bridge (1) is located in the second cavity.
4. A variable frequency generator inverter as claimed in claim 3, wherein: the rectifier bridge (1) is connected with the aluminum alloy radiating fin (3) through bolts penetrating through the IGBT chip (2) and/or the flange (6).
5. The inverter for a variable frequency generator of claim 1, wherein: the plastic shell (4) comprises a rectangular body, a step (7) is arranged on one side of the rectangular body, an installation groove (8) is formed in the inner wall of the step, and the outer edge of the aluminum alloy cooling fin (3) is arranged in the installation groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637068.1U CN211508928U (en) | 2020-04-24 | 2020-04-24 | Inverter of variable-frequency generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637068.1U CN211508928U (en) | 2020-04-24 | 2020-04-24 | Inverter of variable-frequency generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211508928U true CN211508928U (en) | 2020-09-15 |
Family
ID=72404682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020637068.1U Expired - Fee Related CN211508928U (en) | 2020-04-24 | 2020-04-24 | Inverter of variable-frequency generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211508928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015409A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | Composite heat dissipation structure |
-
2020
- 2020-04-24 CN CN202020637068.1U patent/CN211508928U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015409A (en) * | 2021-02-26 | 2021-06-22 | 宁波央腾汽车电子有限公司 | Composite heat dissipation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20210424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |