CN202395644U - Power switch device - Google Patents
Power switch device Download PDFInfo
- Publication number
- CN202395644U CN202395644U CN2011205782098U CN201120578209U CN202395644U CN 202395644 U CN202395644 U CN 202395644U CN 2011205782098 U CN2011205782098 U CN 2011205782098U CN 201120578209 U CN201120578209 U CN 201120578209U CN 202395644 U CN202395644 U CN 202395644U
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- bus
- drive signal
- inductor
- switch device
- power switch
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Abstract
The utility model provides a power switch device, which comprises a driving unit, a plurality of power semiconductor switches, a driving signal distribution board, a first bus and a second bus, wherein the driving unit is used for generating driving signals and comprises first and second driving signal output ends; the plurality of power semiconductor switches are synchronously driven by the driving signals; the driving signal distribution board comprises first and second conductive connectors connected with the driving unit and each power semiconductor switch, each first conductive connector comprises a first inductor, and each second conductive connector comprises a second inductor coupled with the first inductor in a common-mode rejection mode; the first bus is connected with the first driving signal output end and the first conductive connectors; the second bus is connected with the second driving signal output end and the second conductive connectors; and the first bus and the second bus are fixedly arranged on the driving signal distribution board. The assembly process can be simplified, and the mechanical stability is improved.
Description
Technical field
The utility model relates to power electric device, more particularly, relates to the power switch device.
Background technology
Recently, the power semiconductor switch of parallel connection is widely used.But there are the problem of complicated and mechanical stability difference in the power semiconductor switch of parallel connection and the assembling process of driver element thereof.
The utility model content
To above-mentioned technical problem, the utility model provides a kind of power switch device, comprising: produce the driver element of drive signal, comprise the first and second drive signal outputs; By the synchronously driven a plurality of power semiconductor switchs of drive signal; The drive signal distribution plate; Comprise: first and second conductions that connect driver element and each power semiconductor switch are connected; First conduction connects and comprises first inductor, and second conduction connects and comprises second inductor that is coupled with the common mode inhibition mode with first inductor; Connect first bus that the first drive signal output is connected with first conduction; Be connected the second drive signal output and second second bus that be connected of conduction; Wherein first bus and second bus are fixedly mounted on the drive signal distribution plate.Through adopting above-mentioned layout; In the assembling process of the power semiconductor switch of parallel connection and driver element thereof; Can first bus be connected as the assembling that the mechanical reference point carries out drive signal distribution plate and bus with second bus, this has simplified assembling process and has improved mechanical stability.In addition, first and second buses have the mechanical support effect to printed circuit board.
Description of drawings
Fig. 1 illustrates the power switch device according to an embodiment of the utility model;
Fig. 2 A and 2B illustrate the three-view diagram of the electrical configurations and the profile of IGBT module respectively; With
Fig. 3 A, 3B and 3C illustrate vertical view, front view and the 3-D view according to the power switch device of another embodiment of the utility model respectively.
Embodiment
Fig. 1 illustrates the power switch device according to an embodiment of the utility model.As shown in Figure 1, the power switch device comprises: produce the driver element 10 of drive signal, by the synchronously driven a plurality of power semiconductor switch T1 of drive signal, T2......Tn, drive signal distribution plate 11, the first buses 12 and second bus 13.Driver element 10 produces a drive signal from the first drive signal output G and the second drive signal output E, distributes to power semiconductor switch T1 synchronously through drive signal distribution plate 11, and T2......Tn makes synchronous conducting of the latter or cut-out.Drive signal distribution plate 11 comprises: connect driver element 10 and each power semiconductor switch T1, the first conduction connection 110 and second conduction of T2......Tn are connected 111; Wherein first conduction connect 110 comprise first inductor, 1100, the second conductions connect 111 comprise with first inductor 1100 with second inductor 1110 that the common mode inhibition mode is coupled, it is poor to be used for being suppressed at the dynamic electric voltage that different passage produces.The first drive signal output G, first conduction connect 110 and are connected successively with first bus 12, and the second drive signal output E, the second conduction connection 111 are connected with second bus 13 successively.First bus 12 and second bus 13 are fixedly mounted on the drive signal distribution plate 11.
Through adopting above-mentioned layout; In the assembling process of the power semiconductor switch of parallel connection and driver element thereof; Can first bus be connected as the assembling that the mechanical reference point carries out drive signal distribution plate and bus with second bus, this has simplified assembling process and has improved mechanical stability.In addition, first and second buses have the mechanical support effect to printed circuit board.
Preferably; As shown in Figure 1; First conduction connects 110 and also comprises and be positioned at first resistance 1101 that first tie point is connected with first inductor 1100; Second conduction connects 111 and also comprises and be positioned at second resistance 1111 that second tie point is connected with second inductor 1110, between first tie point and second tie point, is connected with capacitor 14.First resistance 1101, second resistance 1111 and capacitor 14 constitute the grid start-up circuits, help improving the switch performance of power semiconductor switch.
Preferably, the drive signal distribution plate is a printed circuit board, and first and second buses are low inductance busbar, and power semiconductor switch is IGBT.
Fig. 2 A and 2B illustrate the three-view diagram of the electrical configurations and the profile of IGBT module respectively.Shown in Fig. 2 A and 2B, the IGBT module comprises upper end IGBT20 and the lower end IGBT21 that is one another in series.IGBT20 comprises collector electrode 1,4, grid 5 and emitter 6, and IGBT21 comprises collector electrode 2, grid 8 and emitter 7,3.Wherein, the collector electrode 2 of the emitter 6 of IGBT20 and IGBT21 is connected.
Fig. 3 A, 3B and 3C illustrate vertical view, front view and the 3-D view according to the power switch device of another embodiment of the utility model respectively.Shown in Fig. 3 A, 3B and 3C, two IGBT modules (each IGBT module comprises two IGBT that are one another in series) are connected in parallel through two drive signal distribution plates 11; Specifically, the upper end IGBT20 of two IGBT modules is connected in parallel to each other, and the lower end IGBT21 of two IGBT modules is connected in parallel to each other; Two drive signal distribution plates 11 are connected with emitter 7 with the grid 5 of IGBT20 and the grid 8 of emitter 6 and IGBT21 respectively through fastener 24.The drive signal that the drive signal distribution plate 11 of upside distributes for the upper end IGBT20 of two IGBT modules that are connected in parallel to each other among Fig. 3 A, the drive signal that the drive signal distribution plate 11 of downside distributes for the lower end IGBT21 of two IGBT modules that are connected in parallel to each other among Fig. 3 A.Shown in Fig. 3 B, on drive signal distribution plate 11, be installed with first bus 12 and second bus 13.Certainly, first bus 12 and second bus 13 can be installed in the same one side of drive signal distribution plate 11, also can be installed on the different facial.Drive signal distribution plate 11 comprises first inductor 1100 and the common mode inhibition parts 22 that constitute with second inductor 1110 that first inductor 1100 is coupled with the common mode inhibition mode.Shown in Fig. 3 A, 3B and 3C, be furnished with support component 23 between two drive signal distribution plates 11, keep the relative position between two drive signal distribution plates 11.
Though some preferred embodiment with reference to the utility model illustrates and has described the utility model; But it will be appreciated by those skilled in the art that; Under the situation of spirit that does not deviate from the utility model that limits appended claims and scope, can make various variations to it in form with on the details.
Claims (6)
1. power switch device is characterized in that comprising:
Produce the driver element of drive signal, comprise the first and second drive signal outputs;
By the synchronously driven a plurality of power semiconductor switchs of drive signal;
The drive signal distribution plate comprises:
First and second conductions that connect driver element and each power semiconductor switch are connected;
First conduction connects and comprises first inductor;
Second conduction connects and comprises second inductor that is coupled with the common mode inhibition mode with first inductor;
Connect first bus that the first drive signal output is connected with first conduction; With
Connect second bus that the second drive signal output is connected with second conduction;
First bus and second bus are fixedly mounted on the drive signal distribution plate.
2. power switch device as claimed in claim 1, wherein:
First conduction connects and also to comprise and be positioned at first resistance that first tie point is connected with first inductor;
Second conduction connects and also to comprise and be positioned at second resistance that second tie point is connected with second inductor;
Between first tie point and second tie point, be connected with capacitor.
3. power switch device as claimed in claim 1, wherein:
The drive signal distribution plate is a printed circuit board.
4. power switch device as claimed in claim 1, wherein:
First and second buses are low inductance busbar.
5. power switch device as claimed in claim 3, wherein:
First and second buses support printed circuit board machinery.
6. power switch device as claimed in claim 1, wherein:
Power semiconductor switch is IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205782098U CN202395644U (en) | 2011-12-31 | 2011-12-31 | Power switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205782098U CN202395644U (en) | 2011-12-31 | 2011-12-31 | Power switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395644U true CN202395644U (en) | 2012-08-22 |
Family
ID=46670543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205782098U Expired - Lifetime CN202395644U (en) | 2011-12-31 | 2011-12-31 | Power switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10128625B2 (en) | 2014-11-18 | 2018-11-13 | General Electric Company | Bus bar and power electronic device with current shaping terminal connector and method of making a terminal connector |
-
2011
- 2011-12-31 CN CN2011205782098U patent/CN202395644U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10128625B2 (en) | 2014-11-18 | 2018-11-13 | General Electric Company | Bus bar and power electronic device with current shaping terminal connector and method of making a terminal connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180530 Address after: Baden, Switzerland Patentee after: ABB TECHNOLOGY LTD. Address before: Zurich Patentee before: ABB T & D Technology Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
|
| CX01 | Expiry of patent term |