CN207321092U - IGBT power module - Google Patents
IGBT power module Download PDFInfo
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- CN207321092U CN207321092U CN201721073695.1U CN201721073695U CN207321092U CN 207321092 U CN207321092 U CN 207321092U CN 201721073695 U CN201721073695 U CN 201721073695U CN 207321092 U CN207321092 U CN 207321092U
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- igbt
- pcc
- powers
- metal plate
- copper bar
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Abstract
The utility model discloses a kind of IGBT power module, including babinet, IGBT (PCC) powers and dc-link capacitance component, stack bus bar, the first insulating layer, liquid cold heat exchanger, metal plate partition plate, exchange output copper bar and discharge resistance are further included in babinet；The dc-link capacitance component is arranged on the both sides of the first insulating layer by stack bus bar, IGBT (PCC) powers are arranged on the both sides of liquid cold heat exchanger, liquid cold heat exchanger is arranged on below the first insulating layer, stack bus bar is in parallel with the input terminal of dc-link capacitance component and IGBT (PCC) powers respectively, exchange output copper bar on cabinet base is in parallel with the output terminal of IGBT (PCC) powers, and discharge resistance is arranged on the outer surface of metal plate partition plate.The exchange output copper bar of the utility model design improves the effect of multiple IGBT parallel current-sharings, and by increasing the security of discharge resistance enhancing dismounting IGBT power module, system structure is reasonable, and manufacture cost is low, and use reliability is strong.
Description
Technical field
The utility model belongs to the technical field of power electronics, more particularly, to a kind of IGBT power module.
Background technology
With the fast development of China's industrial technology, large-scale power electronic equipment is more and more widely used each in each row
Industry, power grade and power density are also higher and higher, the IGBT (Insulated as large-scale power electronic equipment core component
Gate Bipolar Transistor, insulated gate bipolar transistor), it is special due to the use of environment, it is desirable to IGBT power module
Have the characteristics that rational in infrastructure, easy to maintain, power density grade is high.Therefore, IGBT power module is usually designed to by industry
The modular unit of one complete function.
But most of existing IGBT power module design is in conjunction with quite several by mutually discrete IGBT element in parallel
The dc-link capacitance composition of amount is loosely organized, simple so that there are following defect for existing IGBT power module：
1st, since power electronic equipment complete machine structure volume requirement is more and more compacter, IGBT elements in parallel and dc bus
Capacitance quantity is limited accordingly, therefore cannot meet higher and higher power grade and highdensity actual demand；
When the 2nd, solving filter capacitor heat dissipation problem, since structure design is unreasonable, cause heat dissipation cost excessive；
3rd, existing IGBT power module generally mainly has multiple discrete IGBT element in parallel, poor due to flowing effect, warp
Often result in IGBT fever, Vce peak voltages it is excessive, cause IGBT to fail, reduce overall power unit service life, increase O＆M into
This；
4th, do not increase or increase inappropriate discharge resistance, increase dismounts the risk or cost during IGBT power module.
Utility model content
The utility model carries to solve the problems, such as the installation of the dc-link capacitance component of IGBT power module, heat dissipation
For a kind of high power level and the IGBT power module of high power density.
The utility model is adopted the technical scheme that by solution technical problem existing in the prior art：
The IGBT power module of the utility model, including babinet and the IGBT (PCC) powers and direct current that are arranged in babinet
Bus capacitor component, stack bus bar, the first insulating layer, liquid cold heat exchanger, metal plate partition plate, exchange output copper bar are further included in babinet
And discharge resistance；The dc-link capacitance component is fixed on stack bus bar, and dc-link capacitance component is female by lamination
Row is arranged on the both sides of the first insulating layer, and IGBT (PCC) powers are arranged on the both sides of liquid cold heat exchanger, and liquid cold heat exchanger is arranged on
Below first insulating layer, IGBT (PCC) powers are corresponding with dc-link capacitance component, and stack bus bar is electric with dc bus respectively
The input terminal for holding component and IGBT (PCC) powers is connected in parallel, and dc-link capacitance component is arranged on metal plate with IGBT (PCC) powers
It is provided with cabinet base on partition plate, below metal plate partition plate, the exchange output copper bar on cabinet base is defeated with IGBT (PCC) powers
Outlet is connected in parallel, and discharge resistance is arranged on the outer surface of metal plate partition plate.
The dc-link capacitance component includes multiple dc-link capacitances and metal plate fixed plate, multiple dc bus electricity
Hold side to be arranged in metal plate fixed plate, another side is connected in parallel with stack bus bar.
The stack bus bar includes positive lamination copper bar and negative lamination copper bar, the metal plate partition plate bottom surface shape described in positive lamination copper
Into there is two connectors, liquid cold heat exchanger is arranged on the metal plate partition plate between two connectors, liquid cold heat exchanger both sides
IGBT (PCC) powers are corresponding with two connectors respectively, dc-link capacitance component by metal plate fixed plate be arranged on metal plate every
Plate both sides.
The second insulating layer is provided between row and negative lamination copper bar.
The IGBT (PCC) powers include IGBT driving board and multiple IGBT elements, and multiple IGBT elements are driven by IGBT
Movable plate is arranged on liquid cold heat exchanger.
Described exchange output copper bar includes setting multiple confluence pawls at one end, is connected with confluence pawl copper bar and vertical
The straight insulation fixed block for being arranged on the other end, one end of exchange output copper bar make each remittance through the connector on metal plate partition plate
Stream pawl is connected with 2 IGBT elements in IGBT (PCC) powers, and insulation fixed block is arranged on cabinet base.
Formed on the base of the confluence pawl it is jagged, formed with aperture on the confluence pawl of notch both sides, above notch
Confluence pawl on formed with the macropore being connected with IGBT (PCC) powers, formed with multiple connecting holes and groove, connecting hole on copper bar
Connection corresponding with the aperture on confluence pawl, groove are arranged among connecting hole and corresponding with the macropore on confluence pawl.
Formed with handle on the side wall of the cabinet base.
The utility model has the advantages and positive effects of：
The exchange output copper bar of the utility model design improves the effect of multiple IGBT parallel current-sharings, by increasing electric discharge electricity
The security of resistance enhancing dismounting IGBT power module, system structure is reasonable, and manufacture cost is low, and use reliability is strong.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is structure diagram of the utility model equipped with IGBT (PCC) powers and dc-link capacitance component；
Fig. 3 is the structure diagram that the utility model is equipped with IGBT (PCC) powers；
Fig. 4 is the structure diagram of the dc-link capacitance component of the utility model；
Fig. 5 is the structure diagram of the exchange output copper bar of the utility model；
Fig. 6 is the decomposition texture schematic diagram of the utility model；
Fig. 7 is the decomposition texture schematic diagram of the utility model.
Wherein：
1：Babinet 2：IGBT (PCC) powers
3：Dc-link capacitance component 4：Stack bus bar
5：First insulating layer 6：Liquid cold heat exchanger
7：Metal plate partition plate 8：Exchange output copper bar
9：Discharge resistance 10：Cabinet base
11：Dc-link capacitance 12：Metal plate fixed plate
13：Positive lamination copper bar 14：Negative lamination copper bar
15：Second insulating layer 16：IGBT driving board
17：IGBT elements 18：Connector
19：Converge pawl 20：Copper bar
21：Insulate fixed block 22：Notch
23：Aperture 24：Macropore
25：Connecting hole 26：Groove
27：Handle.
Embodiment
Referring to the drawings and the utility model is described in detail in embodiment.
As shown in Figs 1-4, the IGBT power module of the utility model, including babinet 1 and the IGBT that is arranged in babinet
(PCC) power 2 and dc-link capacitance component 3, babinet include the heat sink at top and the cabinet base of bottom, connection heat sink
With the backplate set above the side plate and cabinet base of cabinet base.Stack bus bar 4, the first insulating layer 5, liquid are further included in babinet
Cold heat exchanger 6, metal plate partition plate 7, exchange output copper bar 8 and discharge resistance 9.
The dc-link capacitance component includes multiple dc-link capacitances 11 and metal plate fixed plate 12, and multiple direct currents are female
Line capacitance side is arranged in metal plate fixed plate.The stack bus bar includes positive lamination copper bar 13 and negative lamination copper bar 14, just
The second insulating layer 15 is provided between lamination copper bar and negative lamination copper bar.The dc-link capacitance component another side is with folding
The positive lamination copper bar of layer busbar is connected in parallel, and dc-link capacitance component is arranged on the two of the first insulating layer by stack bus bar
Side.Dc-link capacitance component passes through babinet air duct radiation
The IGBT (PCC) powers include IGBT driving board 16 and multiple IGBT elements 17, and multiple IGBT elements pass through
IGBT driving board is arranged on the both sides of liquid cold heat exchanger.
Formed with two connectors 18, liquid cold heat exchanger is arranged between two connectors for the metal plate partition plate bottom surface
On metal plate partition plate, the IGBT (PCC) powers that liquid cold heat exchanger both sides are disposed proximate to are corresponding with two connectors respectively, and liquid is cold to be changed
Hot device only radiates to IGBT (PCC) powers.It is the first insulating layer above liquid cold heat exchanger, and dc-link capacitance component passes through metal plate
Golden fixed plate is arranged on metal plate partition plate both sides, and dc-link capacitance component is corresponding with above and below the position of IGBT (PCC) powers, folds
Input terminal of the layer busbar respectively with dc-link capacitance component and IGBT (PCC) powers is connected in parallel.
Cabinet base 10 is provided with below the metal plate partition plate, the exchange output copper bar and IGBT set on cabinet base
The output terminal of (PCC) power is connected in parallel.As shown in figure 5, the exchange output copper bar includes setting multiple confluences at one end
Pawl 19, the copper bar 20 being connected with confluence pawl and the insulation fixed block 21 for being vertically set on the other end, the one of exchange output copper bar
End makes each confluence pawl be connected with 2 IGBT elements in IGBT (PCC) powers through the connector on metal plate partition plate.
Electric current on IGBT (PCC) powers can converge into the output of exchange output copper bar by the pawl that converges around macropore and aperture thereon
End.The fixed block that insulate at the same time is arranged on cabinet base.
Jagged 22 are formed on the base of the confluence pawl, formed with aperture 23, notch on the confluence pawl of notch both sides
Formed with the macropore 24 being connected with IGBT (PCC) powers on the confluence pawl of top, formed with multiple connecting holes 25 and groove on copper bar
26, connecting hole connection corresponding with the aperture on confluence pawl, groove is arranged among connecting hole and the macropore phase with converging on pawl
It is corresponding.
Discharge resistance is arranged on the outer surface of metal plate partition plate, increases the security of overall IGBT power module.
It is easy to disassemble formed with handle 27 on the side wall of the cabinet base, and this handle design causes entirely
Babinet plays the role of a similar air passage, has good heat dissipation, appearance and assembling.
The assembling process of the utility model：
Dc-link capacitance is formed as shown in figure 4, first multiple dc-link capacitance sides are fixed in metal plate fixed plate
Component, then multiple dc-link capacitance opposite sides are fixed with stack bus bar, then two groups of dc-link capacitance components are passed through
Stack bus bar is installed on the position of the first insulating layer both sides.
As shown in figure 3, first liquid cold heat exchanger is fixed on metal plate partition plate between two connectors, then by IGBT power packages
Part is respectively placed in the two sides of liquid cold heat exchanger, on the metal plate partition plate that then the first insulation is placed on above liquid cold heat exchanger, and
And discharge resistance is fixed on metal plate partition plate.
As shown in Fig. 2, the input terminal of the stack bus bar on multiple dc-link capacitances and IGBT (PCC) powers is kept into electricity
Gas connects, and the metal plate fixed plate on multiple dc-link capacitances is fixedly connected with metal plate partition plate, then exchange is exported copper bar
The output terminal of connector and IGBT through metal plate partition plate connects, and the fixed block that insulate will exchange output copper bar and be fixed on babinet bottom
On seat.
As shown in Figure 1, finally carrying out babinet encapsulation, the installation such as accessory, insulating part, handware, cable is carried out, is completed whole
The making of IGBT power module.
The utility model reasonable distribution radiates, and reduces the heat dissipation cost of whole IGBT power module；The exchange of special construction
Output copper bar, which improves, flows effect, reduces IGBT static state, the nonuniform fluid of dynamic current, improves the reliable of IGBT power module
Property；Increase discharge resistance puies forward the security of whole IGBT power module；First insulating layer play to wind be oriented to and insulating effect, together
When also make it that the structure of whole IGBT power module is compacter；Entirety can be safeguarded stronger, and appearance is more beautiful.
The embodiment of the utility model is described in detail above, but the content is only the preferable of the utility model
Embodiment, it is impossible to be construed as limiting the scope of the utility model.It is made according to the scope of application of this utility model equal
Deng change and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (8)
1. a kind of IGBT power module, including babinet and the IGBT (PCC) powers and dc-link capacitance group that are arranged in babinet
Part, it is characterised in that：Stack bus bar, the first insulating layer, liquid cold heat exchanger, metal plate partition plate, exchange output copper are further included in babinet
Row and discharge resistance；The dc-link capacitance component is fixed on stack bus bar, and dc-link capacitance component passes through lamination
Busbar is arranged on the both sides of the first insulating layer, and IGBT (PCC) powers are arranged on the both sides of liquid cold heat exchanger, and liquid cold heat exchanger is set
Below the first insulating layer, IGBT (PCC) powers are corresponding with dc-link capacitance component, stack bus bar respectively with dc bus
The input terminal of capacitance component and IGBT (PCC) powers is connected in parallel, and dc-link capacitance component is arranged on metal plate with IGBT (PCC) powers
It is provided with cabinet base on golden partition plate, below metal plate partition plate, exchange output copper bar and IGBT (PCC) powers on cabinet base
Output terminal is connected in parallel, and discharge resistance is arranged on the outer surface of metal plate partition plate.
2. IGBT power module according to claim 1, it is characterised in that：The dc-link capacitance component includes more
A dc-link capacitance and metal plate fixed plate, multiple dc-link capacitance sides are arranged in metal plate fixed plate, another side with
Stack bus bar is connected in parallel.
3. IGBT power module according to claim 1, it is characterised in that：The stack bus bar includes positive lamination copper bar
With negative lamination copper bar, the second insulating layer is provided between positive lamination copper bar and negative lamination copper bar.
4. IGBT power module according to claim 1, it is characterised in that：The IGBT (PCC) powers drive including IGBT
Movable plate and multiple IGBT elements, multiple IGBT elements are arranged on liquid cold heat exchanger by IGBT driving board.
5. IGBT power module according to claim 1, it is characterised in that：The metal plate partition plate bottom surface is formed with two
Connector, liquid cold heat exchanger are arranged on the metal plate partition plate between two connectors, the IGBT power packages of liquid cold heat exchanger both sides
Part is corresponding with two connectors respectively, and dc-link capacitance component is arranged on metal plate partition plate both sides by metal plate fixed plate.
6. IGBT power module according to claim 1, it is characterised in that：The exchange output copper bar includes being arranged on
Multiple confluence pawls of one end, the copper bar being connected with confluence pawl and the insulation fixed block for being vertically set on the other end, exchange output
One end of copper bar through the connector on metal plate partition plate, make each confluence pawl with 2 IGBT elements in IGBT (PCC) powers
It is connected, insulation fixed block is arranged on cabinet base.
7. IGBT power module according to claim 6, it is characterised in that：Formed with scarce on the base of the confluence pawl
Mouthful, formed with aperture on the confluence pawl of notch both sides, formed with being connected with IGBT (PCC) powers on the confluence pawl above notch
Macropore, is arranged on formed with multiple connecting holes and groove, connecting hole connection corresponding with the aperture on confluence pawl, groove on copper bar
It is among connecting hole and corresponding with the macropore on confluence pawl.
8. IGBT power module according to claim 1, it is characterised in that：On the side wall of the cabinet base formed with
Handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073695.1U CN207321092U (en) | 2017-08-25 | 2017-08-25 | IGBT power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721073695.1U CN207321092U (en) | 2017-08-25 | 2017-08-25 | IGBT power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207321092U true CN207321092U (en) | 2018-05-04 |
Family
ID=62432321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721073695.1U Expired - Fee Related CN207321092U (en) | 2017-08-25 | 2017-08-25 | IGBT power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207321092U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713880A (en) * | 2019-01-28 | 2019-05-03 | 四川富肯斯科技有限公司 | A kind of DC converter low-voltage, high-current export structure |
| WO2021174281A1 (en) * | 2020-03-05 | 2021-09-10 | Avl List Gmbh | Converter assembly and test stand having a converter assembly |
| CN113571975A (en) * | 2021-07-22 | 2021-10-29 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
-
2017
- 2017-08-25 CN CN201721073695.1U patent/CN207321092U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713880A (en) * | 2019-01-28 | 2019-05-03 | 四川富肯斯科技有限公司 | A kind of DC converter low-voltage, high-current export structure |
| CN109713880B (en) * | 2019-01-28 | 2024-04-26 | 四川富肯斯科技有限公司 | Low-voltage high-current output structure of direct-current converter |
| WO2021174281A1 (en) * | 2020-03-05 | 2021-09-10 | Avl List Gmbh | Converter assembly and test stand having a converter assembly |
| CN113571975A (en) * | 2021-07-22 | 2021-10-29 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
| CN113571975B (en) * | 2021-07-22 | 2024-05-14 | 阳光电源股份有限公司 | Copper bar assembly and electronic equipment |
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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: 20180504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |