CN113782521B - Crimping IGBT full-bridge circuit valve section - Google Patents
Crimping IGBT full-bridge circuit valve section Download PDFInfo
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- CN113782521B CN113782521B CN202110978386.3A CN202110978386A CN113782521B CN 113782521 B CN113782521 B CN 113782521B CN 202110978386 A CN202110978386 A CN 202110978386A CN 113782521 B CN113782521 B CN 113782521B
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- conductive connecting
- crimping
- valve section
- assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/07—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00
- H01L25/072—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L29/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses a crimping IGBT full bridge circuit valve section, comprising: the IGBT full-bridge module, the conductive connecting piece assembly and the crimping assembly; the IGBT full-bridge module comprises a plurality of IGBT units; the conductive connecting piece assembly comprises a plurality of conductive connecting pieces with fan-shaped structures, and the conductive connecting pieces form a conductive connecting piece assembly with a circular structure; the two adjacent conductive connecting pieces are connected through a crimping assembly, and an IGBT unit is arranged between the other two adjacent conductive connecting pieces; the IGBT full-bridge module realizes an end-to-end connection structure through the conductive connecting piece assembly and the crimping assembly. The valve section integral structure is more coordinated through the circular structure distribution, the valve section structure is compact, the installation and maintenance are convenient, the end-to-end connection of the IGBT full-bridge module can be realized, the use of conductive connecting pieces is reduced, the space utilization rate is improved to the maximum extent, the occurrence of point discharge can be greatly reduced by the circular valve section, and the valve section has the technical characteristics of good electrical performance and the like.
Description
Technical Field
The invention relates to the technical field of soft direct current converter valves, in particular to a crimping IGBT full-bridge circuit valve section.
Background
Traditional crimping IGBT valve section structure all presents the cuboid straight section, and both ends board is connected through parallel insulating pull rod about the valve section promptly, and ball socket structure pressure-bearing is passed through to one end, and the other end uses the roof pressure instrument roof pressure, and its roof pressure end adopts special hydraulic tool or mechanical wrench to pressurize the valve section, and dish spring group takes place deformation in order to keep the rated pressure to IGBT simultaneously. Traditional crimping IGBT valve section structure has a lot of drawbacks, first: the left end face and the right end face of the valve section are connected through the insulating pull rods, and when the insulating pull rods are fastened through bolts, the pull force of each pull rod on the end plate of the valve section is difficult to be the same, so that the valve section is inclined integrally; second,: the valve section is in compression joint with each element on a straight line, the width and depth direction of the valve section are greatly different, and the whole size of the converter valve assembly is not consistent; third,: when the ball socket structure bears pressure, the pressure can be kept perpendicular to the IGBT crimping surface, but the internal element of the valve section is easy to misplace with the ball socket structure; fourth,: the existing valve section is complex in structure, the disc spring set and the guide rod can be combined with the insulating pressure plate through the adapter, and the assembly process is time-consuming and labor-consuming.
Disclosure of Invention
The embodiment of the invention aims to provide a crimping IGBT full-bridge circuit valve section, which has the advantages that the whole structure of the valve section is more coordinated through the distribution of a circular structure, the valve section is crimped by using a circular clamping belt, the stress of internal elements of the valve section is ensured to be uniform, the whole valve section crimping process is convenient and quick through the combination of disc spring crimping components, the valve section has a compact structure, the installation and the maintenance are convenient, the end-to-end connection of the full-bridge module IGBT can be realized, the use of conductive connecting pieces can be reduced, the most compact design of the valve section can be realized through the circular arrangement, the space utilization rate is improved to the greatest extent, the occurrence of point discharge can be greatly reduced through the circular valve section, and the valve section has the technical characteristics of good electrical performance and the like.
In order to solve the technical problems, an embodiment of the present invention provides a crimping type IGBT full-bridge circuit valve section, including: the IGBT full-bridge module, the conductive connecting piece assembly and the crimping assembly;
the IGBT full-bridge module comprises a plurality of IGBT units;
the conductive connecting piece assembly comprises a plurality of conductive connecting pieces with fan-shaped structures, and the conductive connecting pieces form the conductive connecting piece assembly with a circular structure;
the two adjacent conductive connecting pieces are connected through the crimping assembly, and the IGBT unit is arranged between the other two adjacent conductive connecting pieces;
the IGBT full-bridge module realizes an end-to-end connection structure through the conductive connecting piece assembly and the crimping assembly.
Further, the crimping type IGBT full bridge circuit valve section further includes:
the annular compression belt assembly is arranged at the top and/or the bottom of the outer side wall of the conductive connecting piece assembly.
Further, the top and/or the bottom of the conductive connecting piece is provided with a bearing plate;
the annular compression band assembly includes: a top compression belt and a bottom compression belt;
the side walls of the bearing plates at the top of the conductive connecting piece assembly, which are far away from the center of the circle, are all abutted with the top pressing belt;
the side walls of the bearing plates, which are far away from the circle center, of the bottoms of the conductive connecting piece assemblies are abutted with the bottom pressing belt.
Further, the crimping type IGBT full bridge circuit valve section further includes: an explosion-proof housing having a shape matching the shape of the conductive connector assembly;
the explosion-proof cover is of a cylindrical structure with an opening at the bottom.
Further, the crimping assembly includes: the first compression joint disc, the second compression joint disc and the disc spring;
the first crimping disc and the second crimping disc are arranged in parallel;
the edge of the first compression joint disc is fixedly connected with the edge of the second compression joint disc through a plurality of conductive connecting sheets;
the disc spring is located between the first crimp disc and the second crimp disc.
Further, the conductive connecting piece is a fan-shaped radiator.
Further, the fan-shaped radiator is a water-cooled radiator;
two adjacent fan-shaped radiators are communicated through a pipeline;
and two fan-shaped radiators adjacent to the crimping assembly are communicated with the outside through pipelines.
Further, the conductive connector assembly includes 4 fan-shaped heat sinks.
Further, support components are arranged at the bottoms of the side walls of the two adjacent conductive connecting pieces;
the IGBT units positioned between two adjacent conductive connecting pieces are arranged at the top of the supporting component and are detachably connected with the supporting component.
Further, the support assembly includes a first support and a second support;
the first supporting piece is arranged at the bottom of the side wall, facing the adjacent conductive connecting piece, of the conductive connecting piece;
the second supporting piece is arranged at the corresponding position between the bottom of the side wall of the adjacent conductive connecting piece and the first supporting piece;
the first support piece and the second support piece are detachably connected with the IGBT unit respectively.
The technical scheme provided by the embodiment of the invention has the following beneficial technical effects:
the valve section integral structure is more coordinated through circular structure distribution, the valve section crimping uses the circular clamping belt to ensure that the internal element stress of the valve section is even, the disc spring crimping part combination makes the whole valve section crimping process convenient and fast, the valve section structure is compact, the installation and maintenance are convenient, the use of the conductive connecting piece (the water cooling radiator) can be reduced by connecting the IGBT end to end of the full bridge module, the most compact design of the valve section can be realized through circular arrangement, the space utilization rate is improved to the maximum extent, the occurrence of point discharge can be greatly reduced by the circular valve section, and the valve section has the technical characteristics of good electric performance and the like.
Drawings
Fig. 1 is a schematic diagram of a valve section structure of a crimping type IGBT full-bridge circuit provided by an embodiment of the invention;
fig. 2 is a schematic diagram of an IGBT full-bridge module circuit provided by an embodiment of the invention;
FIG. 3 is a schematic view of a crimping assembly according to an embodiment of the present invention;
FIG. 4 is a schematic view of a support assembly according to an embodiment of the present invention;
fig. 5a is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit without an explosion-proof cover according to an embodiment of the invention;
fig. 5b is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit with an explosion-proof cover installed according to an embodiment of the invention.
Reference numerals:
1. IGBT unit, 2, conductive connection piece, 21, bearing plate, 3, crimping subassembly, 31, first crimping disc, 32, second crimping disc, 33, disc spring, 34, conductive connection piece, 41, top compress band, 42, bottom compress band, 5, explosion proof cover, 6, pipeline, 71, first support piece, 72, second support piece.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Fig. 1 is a schematic diagram of a valve section structure of a crimping type IGBT full-bridge circuit provided by an embodiment of the invention.
Fig. 2 is a schematic diagram of an IGBT full-bridge module circuit according to an embodiment of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention provides a crimping type IGBT full-bridge circuit valve section, including: the IGBT full-bridge module, the conductive connecting piece assembly and the crimping assembly. The IGBT full-bridge module comprises a plurality of IGBT units 1; the conductive connecting piece assembly comprises a plurality of conductive connecting pieces 2 with fan-shaped structures, and the conductive connecting pieces 2 form a conductive connecting piece assembly with a circular structure; the two adjacent conductive connecting pieces 2 are connected through a crimping assembly 3, and an IGBT unit 1 is arranged between the other two adjacent conductive connecting pieces 2; the IGBT full-bridge module realizes an end-to-end connection structure through the conductive connecting piece assembly and the crimping assembly 3.
Fig. 3 is a schematic structural diagram of a crimping assembly according to an embodiment of the present invention.
Further, referring to fig. 3, the crimping assembly 3 includes: a first crimping disc 31, a second crimping disc 32, and a disc spring 33; the first crimping disc 31 and the second crimping disc 32 are arranged in parallel; the edge of the first compression joint disc 31 is fixedly connected with the edge of the second compression joint disc 32 through a plurality of conductive connecting sheets 2; the disc spring 33 is located between the first crimp disc 31 and the second crimp disc 32.
Further, the conductive connecting member 2 is a fan-shaped heat sink.
Further, the fan-shaped radiator is a water-cooled radiator; two adjacent fan-shaped radiators are communicated through a pipeline 6; two fan-shaped radiators adjacent to the crimping assembly 3 are communicated with the outside through a pipeline 6.
Further, the conductive connector assembly includes 4 fan-shaped heat sinks.
Fig. 4 is a schematic structural view of a support assembly according to an embodiment of the present invention.
Further, referring to fig. 4, a supporting component is disposed at the bottom of the sidewall of two adjacent conductive connecting pieces 2; the IGBT cells 1 located between two adjacent conductive connection members 2 are provided on top of the support member and detachably connected with the support member.
Further, the support assembly includes a first support 71 and a second support 72; the first supporting member 71 is disposed at the bottom of the side wall of the conductive connecting member 2 facing the adjacent conductive connecting member 2; the second supporting piece 72 is arranged at the corresponding position between the bottom of the side wall of the adjacent conductive connecting piece 2 and the first supporting piece 71; the first support 71 and the second support 72 are detachably connected to the IGBT unit 1, respectively.
Further, the crimping IGBT full bridge circuit valve section further includes: the annular compression belt component is arranged at the top and/or the bottom of the outer side wall of the conductive connecting piece component.
Further, the top and/or bottom of the conductive connection member is provided with a pressure bearing plate 21; the annular compression band assembly includes: a top compression belt 41 and a bottom compression belt 42; the side walls of the bearing plates 21 at the top of the conductive connecting piece assembly, which are far away from the center of the circle, are all abutted with the top pressing belt 41; the side walls of the bearing plates 21 at the bottom of the conductive connecting piece assembly, which are far away from the center of the circle, are all abutted with the bottom pressing belt 42.
Fig. 5a is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit without an explosion-proof cover according to an embodiment of the invention.
Fig. 5b is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit with an explosion-proof cover installed according to an embodiment of the invention.
Further, referring to fig. 5a and 5b, the crimping IGBT full-bridge circuit valve section further includes: an explosion-proof cover 5 matched with the shape of the conductive connecting piece component; the explosion-proof cover 5 has a cylindrical structure with an opening at the bottom.
The embodiment of the invention aims to protect a crimping IGBT full-bridge circuit valve section, which comprises: the IGBT full-bridge module, the conductive connecting piece assembly and the crimping assembly; the IGBT full-bridge module comprises a plurality of IGBT units; the conductive connecting piece assembly comprises a plurality of conductive connecting pieces with fan-shaped structures, and the conductive connecting pieces form a conductive connecting piece assembly with a circular structure; the two adjacent conductive connecting pieces are connected through a crimping assembly, and an IGBT unit is arranged between the other two adjacent conductive connecting pieces; the IGBT full-bridge module realizes an end-to-end connection structure through the conductive connecting piece assembly and the crimping assembly. The technical scheme has the following effects:
the valve section integral structure is more coordinated through circular structure distribution, the valve section crimping uses the circular clamping belt to ensure that the internal element stress of the valve section is even, the disc spring crimping part combination makes the whole valve section crimping process convenient and fast, the valve section structure is compact, the installation and maintenance are convenient, the use of the conductive connecting piece (the water cooling radiator) can be reduced by connecting the IGBT end to end of the full bridge module, the most compact design of the valve section can be realized through circular arrangement, the space utilization rate is improved to the maximum extent, the occurrence of point discharge can be greatly reduced by the circular valve section, and the valve section has the technical characteristics of good electric performance and the like.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (8)
1. A crimping IGBT full bridge circuit valve section, comprising: the IGBT full-bridge module, the conductive connecting piece assembly and the crimping assembly (3);
the IGBT full-bridge module comprises a plurality of IGBT units (1);
the conductive connecting piece assembly comprises a plurality of conductive connecting pieces (2) with fan-shaped structures, and the conductive connecting pieces (2) form the conductive connecting piece assembly with a circular structure;
the two adjacent conductive connecting pieces (2) are connected through the crimping assembly (3), and the IGBT unit (1) is arranged between the other two adjacent conductive connecting pieces (2);
the IGBT full-bridge module realizes an end-to-end connection structure through the conductive connecting piece assembly and the crimping assembly (3);
further comprises: the annular compression belt component is arranged at the top and/or bottom of the outer side wall of the conductive connecting piece component;
the top and/or the bottom of the conductive connecting piece is/are provided with a bearing plate (21);
the annular compression band assembly includes: a top compression band (41) and a bottom compression band (42);
the side walls, far away from the center of the circle, of the bearing plates (21) at the top of the conductive connecting piece assembly are abutted with the top pressing belt (41);
the side walls of the bearing plates (21) at the bottom of the conductive connecting piece assembly, which are far away from the center of the circle, are abutted with the bottom pressing belt (42).
2. The crimped IGBT full-bridge circuit valve section according to claim 1, further comprising: an explosion-proof cover (5) matched with the shape of the conductive connecting piece component;
the explosion-proof cover (5) is of a cylindrical structure with an opening at the bottom.
3. The crimped IGBT full-bridge circuit valve section of claim 1, characterized in that,
the crimping assembly (3) comprises: a first crimping disc (31), a second crimping disc (32) and a disc spring (33);
the first crimping disc (31) and the second crimping disc (32) are arranged in parallel;
the edge of the first compression joint disc (31) is fixedly connected with the edge of the second compression joint disc (32) through a plurality of conductive connecting sheets (34);
the disc spring (33) is located between the first crimping disc (31) and the second crimping disc (32).
4. The crimped IGBT full-bridge circuit valve section of claim 1, characterized in that,
the conductive connecting piece (2) is a fan-shaped radiator.
5. The crimped IGBT full-bridge circuit valve section of claim 4, characterized in that,
the fan-shaped radiator is a water-cooled radiator;
two adjacent fan-shaped radiators are communicated through a pipeline (6);
two fan-shaped radiators adjacent to the crimping assembly (3) are communicated with the outside through a pipeline (6).
6. The crimped IGBT full-bridge circuit valve section of claim 5, characterized in that,
the conductive connector assembly includes 4 fan-shaped heat sinks.
7. The crimping IGBT full-bridge circuit valve section of any of claims 1 to 6, characterized in that,
the bottoms of the side walls of two adjacent conductive connecting pieces (2) are provided with supporting components;
the IGBT units (1) located between two adjacent conductive connecting pieces (2) are arranged at the top of the supporting component and are detachably connected with the supporting component.
8. The crimped IGBT full-bridge circuit valve section of claim 7, characterized in that,
the support assembly comprises a first support (71) and a second support (72);
the first supporting piece (71) is arranged at the bottom of the side wall of the conductive connecting piece (2) facing the adjacent conductive connecting piece (2);
the second supporting piece (72) is arranged at the corresponding position between the bottom of the side wall of the adjacent conductive connecting piece (2) and the first supporting piece (71);
the first support (71) and the second support (72) are detachably connected with the IGBT unit (1), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978386.3A CN113782521B (en) | 2021-08-24 | 2021-08-24 | Crimping IGBT full-bridge circuit valve section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110978386.3A CN113782521B (en) | 2021-08-24 | 2021-08-24 | Crimping IGBT full-bridge circuit valve section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113782521A CN113782521A (en) | 2021-12-10 |
| CN113782521B true CN113782521B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110978386.3A Active CN113782521B (en) | 2021-08-24 | 2021-08-24 | Crimping IGBT full-bridge circuit valve section |
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| Country | Link |
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| CN (1) | CN113782521B (en) |
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| CN112067877A (en) * | 2020-08-06 | 2020-12-11 | 清华大学 | Power semiconductor device for testing gate pole current |
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| JP4106061B2 (en) * | 2005-04-22 | 2008-06-25 | 三菱電機株式会社 | Power unit device and power conversion device |
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| JP2004297847A (en) * | 2003-03-25 | 2004-10-21 | Nissan Motor Co Ltd | Power convertor |
| JP2007215299A (en) * | 2006-02-08 | 2007-08-23 | Nissan Motor Co Ltd | Power converter and power converter integrated motor |
| EP2161819A1 (en) * | 2008-09-08 | 2010-03-10 | Converteam Technology Ltd | Assemblies for electrical machines |
| CN102136468A (en) * | 2010-12-16 | 2011-07-27 | 许继集团有限公司 | Thyristor valve section and crimping method thereof |
| JP2013188052A (en) * | 2012-03-09 | 2013-09-19 | Nissan Motor Co Ltd | Electric power conversion system |
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| CN113782521A (en) | 2021-12-10 |
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