CN208158447U - A kind of connection structure of IGBT and DC master row - Google Patents
A kind of connection structure of IGBT and DC master row Download PDFInfo
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- CN208158447U CN208158447U CN201820729846.2U CN201820729846U CN208158447U CN 208158447 U CN208158447 U CN 208158447U CN 201820729846 U CN201820729846 U CN 201820729846U CN 208158447 U CN208158447 U CN 208158447U
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Abstract
The utility model discloses the connection structures of a kind of IGBT and DC master row, including IGBT module, the IGBT module side is equipped with connection group, connection group side is equipped with the first link block, first link block bottom is equipped with the second link block, first link block and the second link block are fixedly connected with connection group, the connection group includes negative busbar copper bar, the negative busbar copper bar is fixedly connected with the first link block, negative busbar copper bar side is equipped with intermediate insulating layer, the intermediate insulating layer side is equipped with positive bus-bar copper bar, the negative busbar copper bar, intermediate insulating layer and positive bus-bar copper bar side are equipped with DC master row.The utility model is by being equipped with negative busbar copper bar, intermediate insulating layer and positive bus-bar copper bar, the space utilization rate of current transformer can be improved in reasonable stack bus bar design, keep the design of converter system structure more compact, the integrated level and power density for being conducive to improve converter system, improve the reliability of system.
Description
Technical field
The utility model relates to field of electronic device, in particular to the connection structure of a kind of IGBT and DC master row.
Background technique
Power semiconductor is quickly grown in recent years, and new device renewal speed is accelerated, high-power electric and electronic inverter application
In all trades and professions.With the demand in market, high-power electric and electronic inverter is higher to switching frequency, volume is smaller, cost more
Low direction is developed, and the development of high-power electric and electronic inverter relies on the development with high-power IGBT module.
However, IGBT power is bigger, when work, is influenced bigger by stray capacitance, stray inductance, and calorific value is bigger, damage
Rate is higher；Traditional IGBT power module and DC bus capacitor, which separately connects more, increases IGBT module stray inductance, IGBT mould
Block reliability reduces.This needs to design a kind of T-shaped connection group just to connect IGBT power module and DC bus capacitor device,
The stray inductance between it is reduced, the reliability of IGBT is improved.
Therefore, the connection structure for inventing a kind of IGBT and DC master row is necessary to solve the above problems.
Utility model content
The purpose of this utility model is to provide the connection structures of a kind of IGBT and DC master row, T-shaped by being arranged
Negative busbar copper bar, intermediate insulating layer and positive bus-bar copper bar, when solving work mentioned above in the background art by stray capacitance,
The influence of stray inductance is bigger, and calorific value is bigger, spoilage is higher；Traditional IGBT power module and DC bus capacitor separately connects
The problem of connecing more increases IGBT module stray inductance, and IGBT module reliability reduces.
To achieve the above object, the utility model provides the following technical solutions：A kind of connection knot of IGBT and DC master row
Structure, including IGBT module, the IGBT module side are equipped with connection group, and connection group side is equipped with the first link block, described
First link block bottom is equipped with the second link block, and first link block and the second link block are fixedly connected with connection group, institute
Stating connection group includes negative busbar copper bar, and the negative busbar copper bar is fixedly connected with the first link block, negative busbar copper bar side
Equipped with intermediate insulating layer, the intermediate insulating layer side is equipped with positive bus-bar copper bar, the negative busbar copper bar, intermediate insulating layer and just
Bus bar copper row side is equipped with DC master row, and the negative busbar copper bar, intermediate insulating layer and positive bus-bar copper bar are and DC master row
It is fixedly connected, the DC master row bottom is equipped with capacitor group.
Preferably, link block is equipped at the top and bottom of the IGBT module, the IGBT module other side is equipped with heat dissipation
Device, the radiator include heat dissipation tank, and the heat dissipation tank side is equipped with import, and the IGBT module matches with import,
Slide plate is equipped with inside the heat dissipation tank, the sled surface is equipped with ball, and the IGBT module is arranged at the top of ball.
Preferably, it is equipped with gas outlet at the top of the heat dissipation tank, is equipped with exhaust fan, the exhaust fan top on the inside of the gas outlet
Portion is equipped with filter screen.
Preferably, cabinet is equipped with inside the heat dissipation tank, the cabinet inside is equipped with motor, is equipped with and turns at the top of the motor
Axis, the shaft is through cabinet and extends to outside.
Preferably, it is equipped with flabellum on the outside of the shaft, the motor output shaft is fixedly connected with shaft.
Preferably, the heat dissipation tank bottom is equipped with pedestal, and the heat dissipation tank other side is equipped with air inlet, the negative busbar copper
Row, intermediate insulating layer and positive bus-bar copper bar shape are disposed as T-shaped.
The technical effect and advantage of the utility model：
1, by being equipped with negative busbar copper bar, intermediate insulating layer and positive bus-bar copper bar, reasonable stack bus bar design can be mentioned
The space utilization rate of high current transformer keeps the design of converter system structure more compact, is conducive to improve the integrated of converter system
Degree and power density, improve the reliability of system, while high-frequency current will be in two that be mainly distributed on that two pieces of copper bars mutually close on
On facial planes, part high frequency magnetic field can cancel out each other, thus reduce the inductance in circuit, IGBT module and capacitor component
It opens, maintenance is simple, has advantageously reduced replacement IGBT module cost；
2, by being equipped with radiator, motor drives flabellum to rotate by shaft, so that inner air moves from bottom to top,
The circulation of heat dissipation tank inner air is accelerated to carry out heat transfer, while IGBT module is evenly arranged on a heat sink, is conducive to improve
Heat dissipation performance keeps IGBT functional reliability higher.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the connection group structural schematic diagram of the utility model.
Fig. 3 is the front view of the utility model.
In figure：1 IGBT module, 2 connection groups, 3 first link blocks, 4 second link blocks, 5 negative busbar copper bars, 6 intermediate insulations
Layer, 7 positive bus-bar copper bars, 8 DC master rows, 9 capacitor groups, 10 third link blocks, 11 radiators, 12 heat dissipation tanks, 13 imports, 14
Slide plate, 15 balls, 16 gas outlets, 17 exhaust fans, 18 filter screens, 19 cabinets, 20 motors, 21 shafts, 22 flabellums, 23 pedestals, 24
Air inlet.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides the connection structure of a kind of IGBT and DC master row as shown in Figs. 1-3, including IGBT mould
Block 1,1 side of IGBT module are equipped with connection group 2, and 2 side of connection group is equipped with the first link block 3, first connection
3 bottom of block is equipped with the second link block 4, and first link block 3 and the second link block 4 are fixedly connected with connection group 2, the company
Connecing group 2 includes negative busbar copper bar 5, and the negative busbar copper bar 5 is fixedly connected with the first link block 3,5 side of negative busbar copper bar
Equipped with intermediate insulating layer 6,6 side of intermediate insulating layer is equipped with positive bus-bar copper bar 7, by being equipped with negative busbar copper bar 5, centre absolutely
Edge layer 6 and positive bus-bar copper bar 7, reasonable stack bus bar design can be improved the space utilization rate of current transformer, make converter system
Structure design is more compact, is conducive to the integrated level and power density that improve converter system, improves the reliability of system, simultaneously
High-frequency current will be mainly distributed on two inner planes that two pieces of copper bars mutually close on, and part high frequency magnetic field can cancel out each other,
To reduce the inductance in circuit, IGBT module 1 and capacitor group 9 are separated, and maintenance is simple, has advantageously reduced replacement IGBT mould
1 cost of block, the negative busbar copper bar 5, intermediate insulating layer 6 and 7 side of positive bus-bar copper bar are equipped with DC master row 8, the negative mother
Line copper bar 5, intermediate insulating layer 6 and positive bus-bar copper bar 7 are fixedly connected with DC master row 8, and 8 bottom of DC master row is equipped with electricity
Container group 9.
Further, in the above-mentioned technical solutions, third link block 10 is equipped at the top and bottom of IGBT module 1, it is described
1 other side of IGBT module is equipped with radiator 11, and the radiator 11 includes heat dissipation tank 12, and 12 side of heat dissipation tank is equipped with
Import 13, the IGBT module 1 match with import 13, and slide plate 14,14 surface of slide plate are equipped with inside the heat dissipation tank 12
Equipped with ball 15, the setting of IGBT module 1 is at 15 top of ball, and by being equipped with radiator, motor 20 passes through 21 band of shaft
Dynamic flabellum 22 rotates, so that inner air moves from bottom to top, accelerates the circulation of 12 inner air of heat dissipation tank to carry out heat transfer, together
When IGBT module 1 be evenly arranged on a heat sink, be conducive to improve heat dissipation performance, keep IGBT functional reliability higher；
Further, in the above-mentioned technical solutions, it is equipped with gas outlet 16 at the top of heat dissipation tank 12, is set on the inside of the gas outlet 16
There is exhaust fan 17, filter screen 18 is equipped at the top of the exhaust fan 17, by the way that filter screen 18 is arranged, it is possible to reduce external dust enters
Heat dissipation tank 12；
Further, in the above-mentioned technical solutions, it is equipped with cabinet 19 inside heat dissipation tank 12, is equipped with electricity inside the cabinet 19
Machine 20 is equipped with shaft 21 at the top of the motor 20, and the shaft 21 is through cabinet 19 and extends to outside；
Further, in the above-mentioned technical solutions, flabellum 22,20 output shaft of motor and shaft are equipped on the outside of shaft 21
21 are fixedly connected, and by the way that flabellum 22 is arranged, is conducive to the speed of 12 inner air of heat radiation case circulation, accelerates heat dissipation effect；
Further, in the above-mentioned technical solutions, 12 bottom of heat dissipation tank is equipped with pedestal 23, and 12 other side of heat dissipation tank is set
There is air inlet 24, the negative busbar copper bar 5, intermediate insulating layer 6 and 7 shape of positive bus-bar copper bar are disposed as T-shaped.
This practical working principle：
Reference Figure of description 1-2, T-shaped negative busbar copper bar 5, intermediate insulating layer 6 and the positive bus-bar copper bar 7 of setting,
It can reduce the stray inductance of IGBT module 1, reduce the shutdown overvoltage of IGBT module 1, reasonable stack bus bar design can be with
The space utilization rate for improving current transformer keeps the design of converter system structure more compact, is conducive to the collection for improving converter system
Cheng Du and power density, improve the reliability of system, and T " the font connection group 2 of the utility model is exhausted by positive bus-bar copper bar 7, centre
Edge layer 6, negative busbar copper bar 5 form, and high-frequency current will be mainly distributed on two inner planes that two pieces of copper bars mutually close on, part
High frequency magnetic field can cancel out each other, to reduce the inductance in circuit, IGBT module 1 and capacitor group 9 are separated, and maintenance is simple,
Reduce replacement 1 cost of IGBT module；
Referring to Figure of description 3, motor 20 and exhaust fan 17 are opened simultaneously, motor 20 drives flabellum 22 to revolve by shaft 21
Turn, so that inner air moves from bottom to top, the circulation of 12 inner air of heat dissipation tank is accelerated to carry out heat transfer, IGBT module 1 is equal
Even arrangement on a heat sink, improves heat dissipation performance, keeps IGBT functional reliability higher.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. the connection structure of a kind of IGBT and DC master row, including IGBT module（1）, it is characterised in that：The IGBT module（1）
Side is equipped with connection group（2）, the connection group（2）Side is equipped with the first link block（3）, first link block（3）Bottom is set
There is the second link block（4）, first link block（3）With the second link block（4）With connection group（2）It is fixedly connected, the company
Connect group（2）Including negative busbar copper bar（5）, the negative busbar copper bar（5）With the first link block（3）It is fixedly connected, the negative busbar
Copper bar（5）Side is equipped with intermediate insulating layer（6）, the intermediate insulating layer（6）Side is equipped with positive bus-bar copper bar（7）, the negative mother
Line copper bar（5）, intermediate insulating layer（6）With positive bus-bar copper bar（7）Side is equipped with DC master row（8）, the negative busbar copper bar
（5）, intermediate insulating layer（6）With positive bus-bar copper bar（7）And DC master row（8）It is fixedly connected, the DC master row（8）Bottom is set
There is capacitor group（9）.
2. the connection structure of a kind of IGBT and DC master row according to claim 1, it is characterised in that：The IGBT module
（1）Top and bottom are equipped with third link block（10）, the IGBT module（1）The other side is equipped with radiator（11）, described
Radiator（11）Including heat dissipation tank（12）, the heat dissipation tank（12）Side is equipped with import（13）, the IGBT module（1）With into
Mouthful（13）Match, the heat dissipation tank（12）Inside is equipped with slide plate（14）, the slide plate（14）Surface is equipped with ball（15）, described
IGBT module（1）It is arranged in ball（15）Top.
3. the connection structure of a kind of IGBT and DC master row according to claim 2, it is characterised in that：The heat dissipation tank
（12）Top is equipped with gas outlet（16）, the gas outlet（16）Inside is equipped with exhaust fan（17）, the exhaust fan（17）Top is set
There is filter screen（18）.
4. the connection structure of a kind of IGBT and DC master row according to claim 2, it is characterised in that：The heat dissipation tank
（12）Inside is equipped with cabinet（19）, the cabinet（19）Inside is equipped with motor（20）, the motor（20）Top is equipped with shaft
（21）, the shaft（21）Through cabinet（19）And extend to outside.
5. the connection structure of a kind of IGBT and DC master row according to claim 4, it is characterised in that：The shaft（21）
Outside is equipped with flabellum（22）, the motor（20）Output shaft and shaft（21）It is fixedly connected.
6. the connection structure of a kind of IGBT and DC master row according to claim 2, it is characterised in that：The heat dissipation tank
（12）Bottom is equipped with pedestal（23）, the heat dissipation tank（12）The other side is equipped with air inlet（24）, the negative busbar copper bar（5）, in
Between insulating layer（6）With positive bus-bar copper bar（7）Shape is disposed as T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729846.2U CN208158447U (en) | 2018-05-16 | 2018-05-16 | A kind of connection structure of IGBT and DC master row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820729846.2U CN208158447U (en) | 2018-05-16 | 2018-05-16 | A kind of connection structure of IGBT and DC master row |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158447U true CN208158447U (en) | 2018-11-27 |
Family
ID=64387896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820729846.2U Active CN208158447U (en) | 2018-05-16 | 2018-05-16 | A kind of connection structure of IGBT and DC master row |
Country Status (1)
| Country | Link |
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| CN (1) | CN208158447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783289A (en) * | 2019-11-04 | 2020-02-11 | 汉斯自动化科技(江苏)有限公司 | IGBT module protection device |
| CN112087184A (en) * | 2020-09-29 | 2020-12-15 | 上海大郡动力控制技术有限公司 | Main loop arrangement structure of three-phase alternating current motor driving system controller |
-
2018
- 2018-05-16 CN CN201820729846.2U patent/CN208158447U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783289A (en) * | 2019-11-04 | 2020-02-11 | 汉斯自动化科技(江苏)有限公司 | IGBT module protection device |
| CN110783289B (en) * | 2019-11-04 | 2023-03-24 | 汉斯自动化科技(江苏)有限公司 | IGBT module protection device |
| CN112087184A (en) * | 2020-09-29 | 2020-12-15 | 上海大郡动力控制技术有限公司 | Main loop arrangement structure of three-phase alternating current motor driving system controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: IGBT and female connection structure who arranges of direct current Effective date of registration: 20191101 Granted publication date: 20181127 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: Xi'an Exxon power supply Co., Ltd. Registration number: Y2019980000416 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201207 Granted publication date: 20181127 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: XI'AN ACSOON POWER Co.,Ltd. Registration number: Y2019980000416 |