CN216216826U - High-power three-phase solid-state switch structure with device series-parallel connection application - Google Patents

High-power three-phase solid-state switch structure with device series-parallel connection application Download PDF

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Publication number
CN216216826U
CN216216826U CN202122348482.8U CN202122348482U CN216216826U CN 216216826 U CN216216826 U CN 216216826U CN 202122348482 U CN202122348482 U CN 202122348482U CN 216216826 U CN216216826 U CN 216216826U
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China
Prior art keywords
copper bar
groups
group
spring steel
steel plate
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CN202122348482.8U
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Chinese (zh)
Inventor
赵剑锋
曾广俊
郭天阳
李宝强
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Jiujiang Saijing Technology Co ltd
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Jiujiang Saijing Technology Co ltd
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Abstract

The utility model provides a high-power three-phase solid state switch structure with device cluster parallel application, includes fixed briquetting, fixed briquetting is last to be connected with 2 groups of spring steel plate group through many pressure screw, fixed briquetting and 2 groups all be equipped with the copper bar subassembly of installing on the pressure screw between the spring steel plate group, be equipped with the toper briquetting between copper bar subassembly and the spring steel plate group, be equipped with the voltage-sharing briquetting between copper bar subassembly and the fixed briquetting, the copper bar subassembly has 2 groups, 2 groups the copper bar subassembly is through intermediate junction copper bar interconnect, the copper bar subassembly includes the polylith range upon range of heating panel of installing on the pressure screw, is equipped with the thyristor group between the adjacent heating panel, is equipped with insulating barrier between thyristor group and the heating panel, the thyristor group includes 2 thyristors that concatenate, is connected with the output electrode copper bar on 2 thyristors that concatenate. The utility model has the characteristics of simple structure and small volume, and can meet the requirements of series-parallel connection of a plurality of power devices.

Description

High-power three-phase solid-state switch structure with device series-parallel connection application
Technical Field
The utility model relates to a high-power three-phase solid-state switch structure with device series-parallel connection application.
Background
Generally, in the application process of a three-phase power electronic switch, two or more power devices need to be connected in series and parallel due to the improvement of technical parameters, and the problems of complex structure, complex operation and large volume exist when the two or more power devices are directly connected in series and parallel, so that the whole volume of the device can not meet the requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-power three-phase solid-state switch structure with series-parallel connection application of devices, which is used for solving the problems in the background technology and has the characteristics of simple structure, small volume and capability of meeting the series-parallel connection requirements of a plurality of power devices.
The technical scheme adopted for achieving the purpose is that the high-power three-phase solid-state switch structure with the device series-parallel connection application comprises a fixed pressing block, the fixed pressing block is connected with 2 groups of spring steel plate groups through a plurality of pressure screws, copper bar components arranged on the pressure screws are arranged between the fixed pressing block and the 2 groups of spring steel plate groups, a conical pressing block is arranged between the copper bar component and the spring steel plate group, a pressure equalizing pressing block is arranged between the copper bar component and the fixed pressing block, the copper bar assembly comprises 2 groups of the copper bar assemblies, the 2 groups of the copper bar assemblies are connected with each other through an intermediate connecting copper bar, each copper bar assembly comprises a plurality of heat dissipation plates which are arranged on the pressure screw in a stacking mode, a thyristor assembly is arranged between every two adjacent heat dissipation plates, an insulating partition plate is arranged between each thyristor assembly and each heat dissipation plate, the thyristor group comprises 2 thyristors which are connected in series, and output electrode copper bars are connected on the 2 thyristors which are connected in series.
Furthermore, 8 pressure screw rods are provided, and each spring steel plate group and each group of copper bar components are arranged on 4 pressure screw rods.
Further, the copper bar subassembly has 2 groups, every group the copper bar subassembly is equipped with the thyristor group, 2 groups including 4 heating panels between 2 adjacent heating panels the thyristor group in the copper bar subassembly corresponds the connection through the intermediate junction copper bar.
Advantageous effects
Compared with the prior art, the utility model has the following advantages.
The high-power three-phase solid-state switch structure has the advantages that the problem that the whole device is large in size and cannot meet requirements due to the fact that two or more power devices are connected in series and in parallel at present can be solved, and the high-power three-phase solid-state switch structure has the advantages of being simple in structure, small in size and capable of meeting the series and parallel requirements of the multiple power devices.
Drawings
The following figures further illustrate the present invention.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the circuit of the present invention;
FIG. 3 is a structural elevation view of the present invention;
fig. 4 is a top view of the structure of the present invention.
Detailed Description
The utility model is further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1-4, a high-power three-phase solid-state switch structure with series-parallel application of devices comprises a fixed pressing block 2, wherein the fixed pressing block 2 is connected with 4 spring steel plate groups 11 through a plurality of pressure screws 1, copper bar assemblies 12 mounted on the pressure screws 1 are arranged between the fixed pressing block 2 and the 2 spring steel plate groups 11, a tapered pressing block 10 is arranged between the copper bar assemblies 12 and the spring steel plate groups 11, a voltage equalizing pressing block 3 is arranged between the copper bar assemblies 12 and the fixed pressing block 2, 2 copper bar assemblies 12 are provided, the 2 copper bar assemblies 12 are connected with each other through an intermediate connecting copper bar 8, each copper bar assembly 12 comprises a plurality of heat dissipation plates 4 mounted on the pressure screws 1 in a stacked manner, a thyristor assembly 13 is arranged between adjacent heat dissipation plates 4, an insulating partition plate 7 is arranged between the thyristor assembly 13 and the heat dissipation plates 4 in series, each thyristor assembly 13 comprises 2 thyristors 5, the 2 thyristors 5 connected in series are connected with an output electrode copper bar 9.
The number of the pressure screw rods is 8, and each spring steel plate group and each copper bar group are arranged on 4 pressure screw rods.
Copper bar subassembly 12 has 2 groups, every group copper bar subassembly 12 is equipped with thyristor group 13, 2 groups including 4 heating panels 4 between 2 adjacent heating panels 4 thyristor group 13 in the copper bar subassembly 12 corresponds the connection through intermediate junction copper bar 8.
The spring steel plate group comprises 2 stacked spring steel plates, and the number of the spring steel plates is 4.
And an insulating porcelain plate 6 is also arranged between the insulating partition plate 7 and the thyristor group 13.
The utility model comprises 1 fixed pressing block 2, 2 voltage-sharing pressing blocks 3, 4 spring steel plates 11, 12 thyristors 5, 8 heat-dissipating plates 4, 3 middle connecting copper bars 8, 8 pressure screws 1, 12 insulating ceramic sheets 6, 6 output electrode copper bars 9, 12 insulating partition plates 7 and 2 conical pressing blocks 10; during specific installation, firstly 8 pressure screws are respectively installed on the fixed pressing block 2, then, every 4 pressure screws are provided with the voltage-sharing pressing block 3, the heat dissipation plate 4, the thyristor 5, the insulating ceramic sheet 6, the insulating partition plate 7, the middle connecting copper bar 8, the output electrode copper bar 9 and the conical pressing block 10, valve groups on two sides are assembled together on the same layer in the installation process, and finally, the spring steel plate group 11 is installed.

Claims (3)

1. A high-power three-phase solid-state switch structure with a device series-parallel application function comprises a fixed pressing block (2) and is characterized in that the fixed pressing block (2) is connected with 2 groups of spring steel plate groups (11) through a plurality of pressure screws (1), copper bar assemblies (12) installed on the pressure screws (1) are arranged between the fixed pressing block (2) and the 2 groups of spring steel plate groups (11), a conical pressing block (10) is arranged between each copper bar assembly (12) and the corresponding spring steel plate group (11), a voltage-sharing pressing block (3) is arranged between each copper bar assembly (12) and the corresponding fixed pressing block (2), the copper bar assemblies (12) are 2 groups, the copper bar assemblies (12) are connected with each other through an intermediate connection copper bar (8), each copper bar assembly (12) comprises a plurality of heat dissipation plates (4) which are installed on the pressure screws (1) in a stacked mode, and a thyristor group (13) is arranged between adjacent heat dissipation plates (4), an insulating partition plate (7) is arranged between the thyristor group (13) and the heat dissipation plate (4), the thyristor group (13) comprises 2 thyristors (5) which are connected in series, and output electrode copper bars (9) are connected on the 2 thyristors (5) which are connected in series.
2. The high power three-phase solid state switch structure with device series-parallel application of claim 1, wherein the number of the pressure screws is 8, and each group of the spring steel plate set and each group of the copper bar assembly are installed on 4 pressure screws.
3. The structure of the high-power three-phase solid-state switch with the series-parallel application of the devices according to claim 1, wherein the copper bar assemblies (12) have 2 groups, each group of the copper bar assemblies (12) comprises 4 heat dissipation plates (4), a thyristor group (13) is arranged between every two adjacent heat dissipation plates (4), and the thyristor groups (13) in the 2 groups of the copper bar assemblies (12) are correspondingly connected through the intermediate connecting copper bars (8).
CN202122348482.8U 2021-09-27 2021-09-27 High-power three-phase solid-state switch structure with device series-parallel connection application Active CN216216826U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122348482.8U CN216216826U (en) 2021-09-27 2021-09-27 High-power three-phase solid-state switch structure with device series-parallel connection application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122348482.8U CN216216826U (en) 2021-09-27 2021-09-27 High-power three-phase solid-state switch structure with device series-parallel connection application

Publications (1)

Publication Number Publication Date
CN216216826U true CN216216826U (en) 2022-04-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122348482.8U Active CN216216826U (en) 2021-09-27 2021-09-27 High-power three-phase solid-state switch structure with device series-parallel connection application

Country Status (1)

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CN (1) CN216216826U (en)

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