CN203933347U - A kind of fixed support of auxiliary installation single tube and a kind of IGBT device - Google Patents
A kind of fixed support of auxiliary installation single tube and a kind of IGBT device Download PDFInfo
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- CN203933347U CN203933347U CN201420259707.XU CN201420259707U CN203933347U CN 203933347 U CN203933347 U CN 203933347U CN 201420259707 U CN201420259707 U CN 201420259707U CN 203933347 U CN203933347 U CN 203933347U
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- single tube
- igbt
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Abstract
The utility model provides a kind of fixed support and a kind of IGBT device of auxiliary installation single tube, fixed support wherein uses in the time of assembling single tube, the single tube of first needs being installed is assemblied on fixed support one by one, make after all single tube pins have good consistency, itself and driving PCB plate are being assembled, therefore utilizing the installation of the auxiliary single tube of fixed support described in the utility model, thering is higher accuracy and consistency, can save installation time, raise the efficiency.IGBT device wherein, blocks owing to having adopted the fixed support of insulation to carry out covering to IGBT single tube, can effectively avoid dust to enter in IGBT single tube, can avoid IGBT single tube due to the conduction that dust causes, has improved the insulating properties of device.
Description
Technical field
The utility model relates to a kind of frequency converter device, is specifically related to a kind of fixed support and a kind of IGBT device of auxiliary installation single tube.
Background technology
In frequency converter industry, the inversion of Small-power Inverter is mainly completed by IGBT (Insulated GateBipolar Transistor) semiconductor device.IGBT device has two kinds of packaged types at present, and the first is IGBT single tube mode, and the second is IGBT modular manner.Along with industry development, frequency converter price is striven very fierce unexpectedly, because the relative IGBT module of cost of IGBT single tube is much lower.Therefore on Small-power Inverter, mostly select IGBT single tube device as inversion.
In frequency converter industry, small-power all adopts pile line operation.A low power frequency converter need be equipped with 7 IGBT single tubes, and assembling process is as follows:
(1) rely on and manually each IGBT single tube is fixed on the radiator base plate 2 of frequency converter.
(2) rely on and manually all pins of IGBT single tube are interted on the via hole of driving PCB plate.
Be illustrated in figure 1 the structural representation of an IGBT single tube, as can be seen from the figure, each IGBT single tube has 3 pins.Therefore seven IGBT single tubes one have 21 pins, rely on manual operation accuracy low, are difficult to intert on driving PCB plate via hole conforming the pin of 21 IGBT single tubes.Always have the even more pin of two or three pins to not going up the via hole on driving PCB plate.Under existing mounting technology condition, while there is this situation, driving PCB plate need be taken off, rearrange the pin of IGBT single tube and install again, therefore this installation procedure need to consume the longer time, has caused waste.Impact to the device installation of a upper operation and subsequent processing, affected the operation of whole streamline.Certainly,, in prior art, except IGBT single tube, also have during other as metal-oxide-semiconductor also exists the problems referred to above in the assembling process of carrying out some pile line operations.
Utility model content
For this reason, technical problem to be solved in the utility model is in prior art in some pile line operations that in the time that single tube is installed poor accuracy, the poor production efficiency causing of consistency are low, thereby a kind of fixed support and a kind of IGBT device of the auxiliary installation single tube that can improve single tube installation effectiveness are provided.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
The utility model provides a kind of fixed support of auxiliary installation single tube, comprising:
Insulation board, forms some location holes that run through on described insulation board, every m location hole is one group, wherein m=single tube number of pins, and the interval of the interval of m location hole and the pin of single tube adapts in every group;
At least one positioning through hole;
Keeper, is fixed on described fixed support on the device being attached thereto through after described positioning through hole.
The fixed support of described auxiliary installation single tube, forms 21 location holes that run through on described insulation board, every three location holes are one group, and described location hole is arranged as two rows, and wherein 12 location holes are drawn together in a package, and nine location holes are drawn together in another package; Described positioning through hole is arranged between two registration holes.
The fixed support of described auxiliary installation single tube, forms 18 location holes that run through on described insulation board, every three location holes are one group, and described location hole is symmetrical is two rows, and described positioning through hole is arranged between two registration holes.
The fixed support of described auxiliary installation single tube, the interval of three location holes in every group and the interval of three pins of IGBT single tube adapt.
The fixed support of described auxiliary installation single tube, the side that described insulation board contacts with IGBT single tube is provided with isolation positioning bar, and described isolation positioning bar is kept apart adjacent two IGBT single tubes.
The fixed support of described auxiliary installation single tube, described insulation board is plastic plate.
The fixed support of described auxiliary installation single tube, described positioning through hole is two, described keeper is bolt.
The fixed support of described auxiliary installation single tube, described isolation positioning bar comprises division board and positioning bar;
Described division board is L-type plate, and its minor face end face and described insulation board are fixed;
Described positioning bar is triangular plate, is fixed on described division board.
The fixed support of described auxiliary installation single tube, described isolation positioning bar is plastic parts.
The utility model also provides a kind of IGBT device, for the preparation of frequency converter, comprising:
Fixed support, it comprises insulation board, forms 21 location holes that run through on described insulation board, and described location hole is arranged as two rows, and wherein 12 location holes are drawn together in a package, and nine location holes are drawn together in another package; Every three location holes are one group, and the interval of three location holes in every group and the interval of three pins of IGBT single tube adapt;
IGBT single tube, totally seven, three pins of each IGBT single tube all form IGBT assembly through realizing interference fit in one group of location hole on described fixed support;
Heat-radiating substrate, for fixing described IGBT assembly, described IGBT single tube one side contacts with described heat-radiating substrate;
Between described insulation board two registration holes, form at least one positioning through hole, position corresponding with described positioning through hole on described heat-radiating substrate forms fixing hole, and keeper is fixed on described IGBT assembly on described heat-radiating substrate through described positioning through hole and described fixing hole;
Driving PCB plate, is arranged on described IGBT assembly, forms 21 via holes on it, runs through described support bracket fastened 21 pins through 21 via holes on described driving PCB plate.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) fixed support of auxiliary installation single tube described in the utility model, in the time of assembling single tube, use, the single tube of first needs being installed is assemblied on fixed support one by one, make after all single tube pins have good consistency, itself and driving PCB plate are being assembled, therefore utilizing the installation of the auxiliary single tube of fixed support described in the utility model, thering is higher accuracy and consistency, can save installation time, raise the efficiency.
(2) fixed support of auxiliary installation single tube described in the utility model, the side that described insulation board contacts with IGBT single tube is provided with isolation positioning bar, and described isolation positioning bar is kept apart adjacent two IGBT single tubes.After single tube is installed on fixed support, adjacent two single tubes are isolated positioning bar and separate, and both can effectively prevent rocking of single tube, can further ensure again the personal distance between adjacent single tube.
(3) IGBT device described in the utility model, for the preparation of frequency converter, block owing to having adopted the fixed support of insulation to carry out covering to IGBT single tube, can effectively avoid dust to enter in IGBT single tube, can avoid IGBT single tube due to the conduction that dust causes, improve the insulating properties of device.
Brief description of the drawings
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of IGBT single tube;
Fig. 2 is support bracket fastened structural representation described in embodiment of the utility model;
Fig. 3 is that IGBT single tube is assemblied in the structural representation on fixed support described in embodiment of the utility model;
Fig. 4 is fixed on the structural representation on heat-radiating substrate after IGBT single tube is assemblied on fixed support described in embodiment of the utility model;
Fig. 5 is the structural representation of IGBT device described in embodiment of the utility model.
In figure, Reference numeral is expressed as: 1-fixed support, and 2-heat-radiating substrate, 3-driving PCB plate, 4-IGBT single tube, 6-location hole, 7-isolates positioning bar, 71-division board, 72-positioning bar, 8-keeper.
Embodiment
embodiment 1
The present embodiment provides a kind of fixed support of auxiliary installation single tube, comprise insulation board, form some location holes that run through 6 on described insulation board, every m location hole 6 is one group, wherein m=single tube number of pins, the interval of m location hole 6 in every group and the interval of the m of single tube pin adapt.On described insulation board, form at least one positioning through hole.M in an every group location hole is corresponding with the number of pins of single tube, in the time of assembling, the pin of single tube directly can be inserted in location hole and realize and fixing.General single tube is as IGBT single tube, MOS single tube, and number of pins is all 3, m=3 now.
Also comprise keeper 8, through after described positioning through hole, described fixed support is fixed on the device being attached thereto.Wherein with fixing between the device that is connected can determine according to practical application, be generally heat-radiating substrate.
Described single tube can be IGBT single tube, can be also MOS single tube, can also be for other are applicable to assembling described in the present embodiment in the single tube device of mode.The number of described location hole 6 and arrangement mode, determine according to the needs of final formation device.For example, for low power frequency converter, may need six or seven IGBT single tubes, and the layout type of IGBT single tube is had to certain requirement.On fixed support now, the interval of three location holes 6 in every group and the interval of three pins of IGBT single tube adapt.
In the time of seven IGBT single tubes of needs, seven IGBT single tubes are divided into two arranges and puts, and wherein a row is four, and another row is three.In this case, on the insulation board coordinating with it, just need to form 21 location holes that run through 6.As shown in Figure 2, described location hole 6 is arranged as two rows, and wherein 12 location holes 6 are drawn together in a package, is used for coordinating with the pin of four IGBT single tubes.Nine location holes 6 are drawn together in another package, are used for coordinating with the pin of three IGBT single tubes, and described positioning through hole can be arranged between two registration holes 6 in this case.
In the time of six IGBT single tubes of needs, six IGBT single tubes are divided into two arranges and puts, and two rows can be set as three IGBT single tubes.In this case, can adopt the fixed support shown in Fig. 2, wherein one group of 6 free time of location hole is not used only to need order.Also can directly make on described insulation board and form 18 location holes that run through 6, described location hole 6 is arranged as two rows, and symmetrical is two rows, and described positioning through hole is arranged between two registration holes 6.
The layout type of the location hole 6 on described fixed support, can also select other methods, adjusts according to different application scenarios.For example, for MOS single tube, when it is applied in field of solar thermal power generation or electric vehicle accumulator driving field, its layout type may be different from above-mentioned two situations again, correspondingly, the layout type of the location hole 6 on described fixed support is also suitably adjusted.It will be appreciated by those skilled in the art that at this and be not described in detail.
Utilize the installation of the auxiliary single tube of above-mentioned fixed support in the present embodiment, there is higher accuracy and consistency, can save installation time and raise the efficiency.Be elaborated as an example of IGBT single tube example, in the time of assembling, can adopt with the following method:
(1) each IGBT single tube of forming is interted on fixed support, IGBT single tube, utilize the principle of assembling interference fit in interspersed process, is accurately positioned in the pin of IGBT single tube on the location hole 6 of support.
(2) in the same way, on fixed support, assemble 7 IGBT single tubes.
After having assembled, 7 IGBT single tubes 4 just become one with fixed support, become the build-up member of streamline, as shown in Figure 3.Then these parts are fixed on heat-radiating substrate 2, as shown in Figure 4, complete after this operation, 21 pins of IGBT single tube have good consistency.Now, again 21 disposable accurately interting on driving PCB plate 3 of pin, complete the assembling of IGBT single tube 4 and driving PCB plate 3, as shown in Figure 5.
As shown in Figures 2 and 3, as the preferred scheme of one, the side that described insulation board contacts with IGBT single tube 4 is provided with isolation positioning bar 7, and described isolation positioning bar 7 is kept apart adjacent two IGBT single tubes 4.Although IGBT single tube pin is inserted in location hole 6 and after realizing interference fit, can realize fixing IGBT single tube.But, owing to must ensureing certain personal distance between IGBT single tube, therefore, in order to prevent that rocking from appearring in IGBT single tube, be further provided with isolation positioning bar 7 on fixed support.Described isolation positioning bar 7 comprises: division board 71, and described division board 71 is L-type plate, its minor face end face and described insulation board are fixed; Positioning bar 72, described positioning bar 72 is triangular plate, is fixed on described division board 71.The structure that described division board 71 and described positioning bar 72 can be formed in one can be also isolating construction.As shown in Figure 3, after IGBT single tube is installed on fixed support, adjacent two IGBT single tubes are isolated positioning bar 7 and separate, and both can effectively prevent rocking of IGBT single tube, can further ensure again the personal distance between adjacent IGBT single tube.
Insulation board described above in the present embodiment is plastic plate, and correspondingly, described isolation positioning bar 7 is plastic parts, also can select other to have the material of good insulation effect.
embodiment 2
The present embodiment provides a kind of IGBT device, for the preparation of frequency converter, as shown in Figure 5, comprises fixed support 1, IGBT single tube 4, heat-radiating substrate 2 and driving PCB plate 3.
Described fixed support 1 comprises insulation board, forms 21 location holes that run through 6 on described insulation board, and described location hole 6 is arranged as two rows, and wherein 12 location holes 6 are drawn together in a package, and nine location holes 6 are drawn together in another package; Every three location holes 6 are one group, and the interval of three location holes 6 in every group and the interval of three pins of IGBT single tube 4 adapt.
Described IGBT single tube 4, totally seven, three pins of each IGBT single tube 4 all form IGBT assembly through realizing interference fit in one group of location hole 6 on described fixed support.
Described heat-radiating substrate 2, for fixing described IGBT assembly, described IGBT single tube one side contacts with described heat-radiating substrate 2.Between described insulation board two registration holes 6, form at least one positioning through hole, on described heat-radiating substrate 2, the position corresponding with described positioning through hole forms fixing hole, and keeper 8 is fixed on described IGBT assembly on described heat-radiating substrate 2 through described positioning through hole and described fixing hole.
Described driving PCB plate 3, is arranged on described IGBT assembly, forms 21 via holes on it, passes 21 via holes on described driving PCB plate 3 through described support bracket fastened 21 pins.
Its concrete assembling process is as follows:
First IGBT single tube 4 good bending and forming is interted on fixed support, IGBT single tube 4 utilizes the principle of assembling interference fit in interspersed process, and the pin of IGBT single tube 4 is accurately positioned in support bracket fastened location hole 6.In the same way, assemble 7 IGBT single tubes on fixed support 1, between IGBT single tube and IGBT single tube, locate isolation by isolation positioning bar 7, now, 7 IGBT single tubes 4 and IGBT single tube pin are fixed and positioned by fixed support.After having assembled, become IGBT assembly, then IGBT assembly is fixed on heat-radiating substrate 2.21 disposable accurately interting on IGBT single tube driving PCB plate 3 of pin, complete the assembling of IGBT single tube and driving PCB plate 3 again, obtain the IGBT device shown in Fig. 5.
Above-mentioned IGBT device in the present embodiment, blocks because fixed support has carried out covering to IGBT single tube, effectively avoids dust to enter in IGBT single tube, can avoid IGBT single tube due to the conduction that dust causes, has improved the insulating properties of device.
Although described preferred embodiment of the present utility model, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the utility model scope.
Claims (10)
1. the auxiliary fixed support that single tube is installed, is characterized in that, comprising:
Insulation board, on described insulation board, form some location holes that run through (6), every m location hole (6) is one group, wherein m=single tube number of pins, and the interval of the interval of m location hole (6) and the pin of single tube adapts in every group;
At least one positioning through hole;
Keeper (8), is fixed on described fixed support on the device being attached thereto through after described positioning through hole.
2. the fixed support of auxiliary installation single tube according to claim 1, is characterized in that:
On described insulation board, form 21 location holes that run through (6), every three location holes (6) are one group, described location hole (6) is arranged as two rows, wherein 12 location holes (6) are drawn together in a package, and nine location holes (6) are drawn together in another package; Described positioning through hole is arranged between two registration holes (6).
3. the fixed support of auxiliary installation single tube according to claim 1, is characterized in that:
On described insulation board, form 18 location holes that run through (6), every three location holes (6) are one group, described location hole (6) is symmetrical is two rows, and described positioning through hole is arranged between two registration holes (6).
4. according to the fixed support of the auxiliary installation single tube described in claim 2 or 3, it is characterized in that:
The interval of the interval of three location holes (6) in every group and three pins of IGBT single tube (4) adapts.
5. the fixed support of auxiliary installation single tube according to claim 4, is characterized in that:
The side that described insulation board contacts with IGBT single tube (4) is provided with isolation positioning bar (7), and described isolation positioning bar (7) is kept apart adjacent two IGBT single tubes (4).
6. the fixed support of auxiliary installation single tube according to claim 5, is characterized in that:
Described insulation board is plastic plate.
7. the fixed support of auxiliary installation single tube according to claim 6, is characterized in that:
Described positioning through hole is two, and described keeper (8) is bolt.
8. the fixed support of auxiliary installation single tube according to claim 7, is characterized in that:
Described isolation positioning bar (7) comprises division board (71) and positioning bar (72);
Described division board (71) is L-type plate, and its minor face end face and described insulation board are fixed;
Described positioning bar (72) is triangular plate, is fixed on described division board (71).
9. the fixed support of auxiliary installation single tube according to claim 8, is characterized in that:
Described isolation positioning bar (7) is plastic parts.
10. an IGBT device, for the preparation of frequency converter, is characterized in that, comprising:
Fixed support (1), it comprises insulation board, on described insulation board, form 21 location holes that run through (6), described location hole (6) is arranged as two rows, wherein 12 location holes (6) are drawn together in a package, and nine location holes (6) are drawn together in another package; Every three location holes (6) are one group, and the interval of three location holes (6) in every group and the interval of three pins of IGBT single tube (4) adapt;
IGBT single tube (4), totally seven, three pins of each IGBT single tube (4) all form IGBT assembly through realizing interference fit in the one group of location hole (6) on described fixed support;
Heat-radiating substrate (2), for fixing described IGBT assembly, described IGBT single tube (4) one side contacts with described heat-radiating substrate (2);
Between described insulation board two registration holes (6), form at least one positioning through hole, form fixing hole in the upper position corresponding with described positioning through hole of described heat-radiating substrate (2), keeper (8) is fixed on described IGBT assembly on described heat-radiating substrate (2) through described positioning through hole and described fixing hole;
Driving PCB plate (3), is arranged on described IGBT assembly, forms 21 via holes on it, runs through described support bracket fastened 21 pins through 21 via holes on described driving PCB plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259707.XU CN203933347U (en) | 2014-05-20 | 2014-05-20 | A kind of fixed support of auxiliary installation single tube and a kind of IGBT device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259707.XU CN203933347U (en) | 2014-05-20 | 2014-05-20 | A kind of fixed support of auxiliary installation single tube and a kind of IGBT device |
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| Publication Number | Publication Date |
|---|---|
| CN203933347U true CN203933347U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259707.XU Expired - Fee Related CN203933347U (en) | 2014-05-20 | 2014-05-20 | A kind of fixed support of auxiliary installation single tube and a kind of IGBT device |
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| Country | Link |
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| CN (1) | CN203933347U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010046A (en) * | 2019-12-19 | 2020-04-14 | 深圳市阿尔法电气技术有限公司 | IGBT mounting structure and have its converter |
-
2014
- 2014-05-20 CN CN201420259707.XU patent/CN203933347U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010046A (en) * | 2019-12-19 | 2020-04-14 | 深圳市阿尔法电气技术有限公司 | IGBT mounting structure and have its converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yan Inventor after: Wan Neng Inventor after: Feng Gangqiong Inventor before: Wu Yan |
|
| COR | Change of bibliographic data | ||
| CP03 | Change of name, title or address |
Address after: 5, Shenzhen, Guangdong province Nanshan District Science Park North West Road, No. 5, Galaxy Fengyun building, building 518055, 501 Patentee after: SHENZHEN ALPHA INVERTER CO.,LTD. Address before: 5, Guangdong, Shenzhen, Shenzhen province Nanshan District Science Park North West Road, No. 5, Galaxy Fengyun building, building 518055, 501 Patentee before: ALPHA INVERTER Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518110 Guangdong Province, Shenzhen city Longhua District Guanlan community Daping Jiayi Industrial Park No. 2-1 Patentee after: SHENZHEN ALPHA INVERTER CO.,LTD. Address before: 5, Shenzhen, Guangdong province Nanshan District Science Park North West Road, No. 5, Galaxy Fengyun building, building 518055, 501 Patentee before: SHENZHEN ALPHA INVERTER CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |