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Parallel electrode combination, power module and power module set

A technology of power modules and parallel electrodes, applied in circuits, electrical components, electric solid devices, etc., can solve the problems of large stray inductance, increased loss, and limited application, and achieve the effect of reducing stray inductance

Pending Publication Date: 2017-11-28
YANGZHOU GUOYANG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The stray inductance of existing power electronic power modules and power modules is often relatively large. Limits applications in high switching frequency applications

Method used

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  • Parallel electrode combination, power module and power module set
  • Parallel electrode combination, power module and power module set
  • Parallel electrode combination, power module and power module set

Examples

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Embodiment 1

[0057] Embodiment 1 discloses a power module with a combination of electrodes installed in parallel, such as Figure 1-5 As shown, it includes a capacitor with a capacitor electrode combination and a power module with a power module electrode combination. The capacitor electrode combination includes a first capacitor electrode and a second capacitor electrode, the welding part 112 of the first capacitor electrode is connected to the negative pole of the capacitor core group 111, the welding part 113 of the second capacitor electrode is connected to the positive pole of the capacitor core group 111, and the first capacitor electrode The welding part 112 and the second capacitor electrode welding part 113 are plate-shaped and are located in the middle of the capacitor side. The welding part 112 of the first capacitor electrode leads to the connecting part 114 of the first capacitor electrode, and the welding part 113 of the second capacitor electrode leads to the second capacitor...

Embodiment 2

[0069] Embodiment 2 discloses a power module with a combination of parallel parallel electrodes, such as Figure 9 As shown, it includes a capacitor with a capacitor electrode combination and a power module with a power module electrode combination. The capacitor electrode combination includes a first capacitor electrode 212 and a second capacitor electrode 213 facing in parallel. The first capacitor electrode 212 and the second capacitor electrode 213 are both plate-shaped and located in the middle of the side of the capacitor. The electrodes 213 are respectively connected to the positive and negative poles of the capacitor core group 211, such as Figure 10 As shown, the first capacitor electrode 212 is partially raised, and the second capacitor electrode 213 is also partially raised, and the protrusion of the first capacitor electrode 212 and the protrusion of the second capacitor electrode 213 jointly form an accommodation cavity. The power module electrode assembly inclu...

Embodiment 3

[0080] Embodiment 3 discloses a power module with a parallel coaxial electrode combination, such as Figure 13 As shown, it includes a capacitor with a capacitor electrode combination and a power module with a power module electrode combination. The capacitive electrode combination includes a first capacitive electrode and a second capacitive electrode. The welding portion 312 of the first capacitor electrode and the welding portion 313 of the second capacitor electrode are respectively connected to the positive and negative poles of the capacitor core group 311, the welding portion 312 of the first capacitor electrode leads to the connecting portion 314 of the first capacitor electrode, and the second capacitor electrode The connecting portion 315 of the second capacitor electrode is led out from the welding portion 313 of the electrode. The first capacitor electrode welding portion 312 and the second capacitor electrode welding portion 313 are both plate-shaped and located ...

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PUM

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Abstract

The invention discloses a parallel electrode combination. The parallel electrode combination comprises first power module electrodes and second power module electrodes; the welding portions of the first power module electrodes and the welding portions of the second power module electrodes are used for connecting a power supply copper layer inside a power module; and the connecting portions of the first power module electrodes are parallelly aligned with the connecting portions of the second power module electrodes. The invention also discloses a power module adopting the parallel electrode combination and a power module set adopting the parallel electrode combination. According to the parallel electrode combination of the present invention, the connecting portions of the first power module electrodes are parallelly aligned with the connecting portions of the second power module electrodes, and such kind of structure is novel relative to the prior art. Compared with the prior art, the parallel electrode combination is advantageous in greatly decreased stray inductance and undoubtedly is a kind of huge improvement in the field.

Description

technical field [0001] The invention relates to a parallel electrode combination, a power module and a power module group. Background technique [0002] The global energy crisis and the threat of climate warming make people pay more and more attention to energy conservation, emission reduction and low-carbon development while pursuing economic development. With the establishment and promotion of green environmental protection in the world, the development and application prospects of power semiconductors are broader. [0003] The stray inductance of existing power electronic power modules and power modules is often relatively large. It limits the application in high switching frequency occasions. Contents of the invention [0004] Purpose of the invention: The purpose of the invention is to provide a parallel electrode combination, a power module and a power module that can greatly reduce the stray inductance. [0005] Technical solution: The parallel electrode combinat...

Claims

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Application Information

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IPC IPC(8): H01L23/49H01L25/16
CPCH01L25/162H01L23/49H01L2924/19107H01L2224/0603H01L2224/33H01L2224/48137H01L2224/48139H01L2224/48472H01L2224/49111H01L2224/49175H01L23/051H02M7/003H01L23/32H01L23/3675H01L23/49517H01L23/49562H01L23/49582H01L23/49589H01L24/48H01L24/49H01L2224/4809H01L2224/48245H01L2224/49176H01L2924/1203H01L2924/13055H01L2924/19041
Inventor 徐文辉王玉林滕鹤松
Owner YANGZHOU GUOYANG ELECTRONICS CO LTD
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