CN113782521A - Crimping type IGBT full-bridge circuit valve section - Google Patents
Crimping type IGBT full-bridge circuit valve section Download PDFInfo
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- CN113782521A CN113782521A CN202110978386.3A CN202110978386A CN113782521A CN 113782521 A CN113782521 A CN 113782521A CN 202110978386 A CN202110978386 A CN 202110978386A CN 113782521 A CN113782521 A CN 113782521A
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- valve section
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- crimping
- connecting piece
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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
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- 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 type 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 sector structures, and the plurality of conductive connecting pieces form a conductive connecting piece assembly with a circular structure; two adjacent conductive connecting pieces are connected through a crimping component, and an IGBT unit is arranged between the other two adjacent conductive connecting pieces; the IGBT full-bridge module is in a head-to-tail connection structure through the conductive connecting piece assembly and the crimping assembly. The valve section is more harmonious in overall structure due to the fact that the circular structure is distributed, the valve section is compact in structure and convenient to install and maintain, IGBT full-bridge modules can be connected end to end, the use of conductive connecting pieces is reduced, the space utilization rate is improved to the maximum degree, the point discharge of the circular valve section can be greatly reduced, 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 flexible direct current converter valves, in particular to a crimping type IGBT full-bridge circuit valve section.
Background
The traditional crimping type IGBT valve section structure is a cuboid straight section, namely the left end plate and the right end plate of the valve section are connected through parallel insulating pull rods, one end of the valve section bears pressure through a ball socket structure, the other end of the valve section bears pressure through a jacking tool, the jacking end of the valve section is pressurized through a special hydraulic tool or a mechanical wrench, and meanwhile, a disc spring set deforms to keep rated pressure of the IGBT. There are many drawbacks in traditional crimping formula IGBT valve section structure, first: the left end face and the right end face of the valve section are connected through insulating pull rods, and when the insulating pull rods are fastened through bolts, the tension of the pull rods on the end plates of the valve section is difficult to ensure to be the same, so that the valve section is integrally inclined; secondly, the method comprises the following steps: the valve section is in compression joint with each element on a straight line, the size difference between the width direction and the depth direction of the valve section is large, and the integral size of the converter valve assembly is further inconsistent; thirdly, the method comprises the following steps: when the ball-and-socket structure bears pressure, although the pressure can be kept to be vertical to the IGBT crimping surface, the internal elements of the valve section and the ball-and-socket structure are easy to be dislocated; fourthly: the existing valve section has a complex structure, the disc spring group can be combined with the guide rod and the insulating pressure plate only through the adapter, and the assembling process is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to provide a crimping type IGBT full bridge circuit valve section, which has the technical characteristics that the whole structure of the valve section is more coordinated through circular structure distribution, the valve section is crimped by using a circular clamping belt to ensure that the stress of internal elements of the valve section is uniform, the whole crimping process of the valve section is convenient and quick due to the combination of disc spring crimping parts, the valve section is compact in structure and convenient to install and maintain, the IGBT end-to-end connection of a full bridge module can be realized, the use of a conductive connecting piece is reduced, the most compact design of the valve section can be realized due to circular arrangement, the space utilization rate is improved to the maximum extent, the occurrence of point discharge can be greatly reduced due to the circular valve section, and the valve section has good electrical performance.
In order to solve the above technical problem, 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 sector structures, and the plurality of conductive connecting pieces form the conductive connecting piece assembly with a circular structure;
the adjacent two conductive connecting pieces are connected through the crimping assembly, and the IGBT units are arranged between the other adjacent two conductive connecting pieces;
the IGBT full-bridge module is in a head-to-tail connection structure through the conductive connecting piece assembly and the crimping assembly.
Further, the crimping type IGBT full-bridge circuit valve section further comprises:
and the annular compression band assembly is arranged at the top and/or the bottom of the outer side wall of the conductive connector assembly.
Further, the top and/or the bottom of the conductive connecting piece is/are provided with a bearing plate;
the ring compression band assembly comprises: a top compression band and a bottom compression band;
the side walls, far away from the circle center, of the plurality of pressure bearing plates at the top of the conductive connecting piece assembly are abutted to the top pressing belt;
the side walls of the plurality of bottom parts of the conductive connecting piece assemblies, far away from the circle center, of the bearing plates are abutted to the bottom pressing belt.
Further, the crimping type IGBT full-bridge circuit valve section further comprises: the shape of the explosion-proof cover is matched with that of the conductive connecting piece component;
the explosion-proof cover is 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 heat sink.
Further, the fan-shaped radiator is a water-cooling radiator;
two adjacent fan-shaped radiators are communicated through a pipeline;
and the two fan-shaped radiators adjacent to the crimping component are communicated with the outside through pipelines.
Further, the conductive connector assembly includes 4 heat sinks in the shape of sectors.
Furthermore, the bottom of the side wall of each two adjacent conductive connecting pieces is provided with a supporting component;
the IGBT unit located between two adjacent conductive connecting pieces is arranged at the top of the supporting assembly and detachably connected with the supporting assembly.
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 of the conductive connecting piece facing to the adjacent conductive connecting piece;
the second supporting piece is arranged at the corresponding position of the bottom of the side wall of the adjacent conductive connecting piece and the first supporting piece;
the first supporting piece and the second supporting piece are detachably connected with the IGBT unit respectively.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
the valve section overall structure is more coordinated through circular structure distribution, the valve section crimping uses circular clamping belt to guarantee that the stress of valve section internal elements is even, the combination of the compression joint parts of the whole valve section makes the compression joint process of the whole valve section convenient and fast, the valve section is compact in structure and convenient to install and maintain, the use of full-bridge module IGBT end-to-end connection reduction conductive connecting pieces (water-cooled radiators) can be realized, 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 of the circular valve section can be greatly reduced, and the valve section has the technical characteristics of good electrical performance and the like.
Drawings
Fig. 1 is a schematic structural diagram of a valve section of a crimping type IGBT full-bridge circuit provided by an embodiment of the invention;
FIG. 2 is a schematic circuit diagram of an IGBT full-bridge module provided by the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a crimping assembly provided by an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a support assembly provided in accordance with an embodiment of the present invention;
FIG. 5a is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit provided by the embodiment of the invention without an explosion-proof cover;
fig. 5b is a schematic diagram of a crimping type IGBT full-bridge circuit valve section provided with an explosion-proof cover.
Reference numerals:
1. IGBT unit, 2, electrically conductive connecting piece, 21, bearing plate, 3, crimping subassembly, 31, first crimping disc, 32, second crimping disc, 33, dish spring, 34, electrically conductive connection piece, 41, top hold-down strip, 42, bottom hold-down strip, 5, explosion-proof cover, 6, pipeline, 71, first support piece, 72, second support piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic structural diagram of a valve section of a crimping type IGBT full-bridge circuit provided by an embodiment of the present invention.
Fig. 2 is a schematic circuit diagram of an IGBT full-bridge module according to an embodiment of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of the invention provides a crimping type IGBT full bridge circuit valve section, including: the IGBT full-bridge module, electrically conductive connector subassembly and crimping subassembly. 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 sector structures, and the plurality of conductive connecting pieces 2 form a circular conductive connecting piece assembly; two adjacent conductive connecting pieces 2 are connected through a crimping component 3, and an IGBT unit 1 is arranged between the other two adjacent conductive connecting pieces 2; the IGBT full-bridge module is in a head-to-tail 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 crimp disk 31, a second crimp disk 32, and a disk spring 33; the first crimp disk 31 and the second crimp disk 32 are arranged in parallel; the edge of the first crimping disc 31 is fixedly connected with the edge of the second crimping disc 32 through a plurality of conductive connecting pieces 2; a 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-cooling radiator; two adjacent fan-shaped radiators are communicated through a pipeline 6; two heat sinks of sector shape adjacent to the crimping assemblies 3 are in communication with the outside through a pipe 6.
Further, the conductive connector assembly includes 4 heat sinks in the form of sectors.
Fig. 4 is a schematic structural diagram of a support assembly according to an embodiment of the present invention.
Further, referring to fig. 4, the bottom of the side wall of two adjacent conductive connecting members 2 is provided with a supporting assembly; the IGBT unit 1 positioned between the two adjacent conductive connecting pieces 2 is arranged at the top of the supporting component and is detachably connected with the supporting component.
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 sidewall of the conductive connecting member 2 facing the adjacent conductive connecting member 2; the second supporting member 72 is disposed at a position corresponding to the bottom of the sidewall of the adjacent conductive connecting member 2 and the first supporting member 71; the first support 71 and the second support 72 are detachably connected to the IGBT unit 1, respectively.
Further, the crimping type IGBT full bridge circuit valve section also comprises: and the annular compression band assembly is arranged at the top and/or the bottom of the outer side wall of the conductive connector assembly.
Further, the top and/or the bottom of the conductive connecting piece is/are provided with a bearing plate 21; the ring compression band subassembly includes: a top compression band 41 and a bottom compression band 42; the side walls of the plurality of pressure bearing plates 21 at the top of the conductive connecting piece assembly, which are far away from the circle center, are abutted against the top pressing belt 41; the side walls of the plurality of pressure bearing plates 21 at the bottom of the conductive connector assembly, which are far away from the circle center, are abutted against the bottom pressing belt 42.
Fig. 5a is a schematic diagram of a valve section of a crimping type IGBT full-bridge circuit provided by an embodiment of the invention without an explosion-proof cover.
Fig. 5b is a schematic diagram of a crimping type IGBT full-bridge circuit valve section provided with an explosion-proof cover.
Further, referring to fig. 5a and 5b, the valve section of the press-contact IGBT full-bridge circuit further includes: an explosion-proof cover 5 matched with the shape of the conductive connecting piece component; the explosion-proof cover 5 is a cylindrical structure with an opening at the bottom.
The embodiment of the invention aims to protect a crimping type 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 sector structures, and the plurality of conductive connecting pieces form a conductive connecting piece assembly with a circular structure; two adjacent conductive connecting pieces are connected through a crimping component, and an IGBT unit is arranged between the other two adjacent conductive connecting pieces; the IGBT full-bridge module is in a head-to-tail connection structure through the conductive connecting piece assembly and the crimping assembly. The technical scheme has the following effects:
the valve section overall structure is more coordinated through circular structure distribution, the valve section crimping uses circular clamping belt to guarantee that the stress of valve section internal elements is even, the combination of the compression joint parts of the whole valve section makes the compression joint process of the whole valve section convenient and fast, the valve section is compact in structure and convenient to install and maintain, the use of full-bridge module IGBT end-to-end connection reduction conductive connecting pieces (water-cooled radiators) can be realized, 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 of the circular valve section can be greatly reduced, and the valve section has the technical characteristics of good electrical performance and the like.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A crimping formula IGBT full bridge circuit valve section, its characterized in that includes: 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 sector structures, and the plurality of 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 units (1) are arranged between the other two adjacent conductive connecting pieces (2);
the IGBT full-bridge module is in a head-to-tail connection structure through the conductive connecting piece assembly and the crimping assembly (3).
2. The crimped IGBT full-bridge circuit valve section of claim 1, further comprising:
and the annular compression band assembly is arranged at the top and/or the bottom of the outer side wall of the conductive connector assembly.
3. The crimped IGBT full-bridge circuit valve section of claim 2,
the top and/or the bottom of the conductive connecting piece is/are provided with a bearing plate (21);
the ring compression band assembly comprises: a top compression band (41) and a bottom compression band (42);
the side walls, far away from the circle center, of the plurality of pressure bearing plates (21) at the top of the conductive connecting piece assembly are abutted to the top pressing belt (41);
the side walls, far away from the circle center, of the plurality of pressure bearing plates (21) at the bottom of the conductive connecting piece assembly are abutted to the bottom pressing belt (42).
4. The crimped IGBT full-bridge circuit valve section of 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.
5. The crimped IGBT full-bridge circuit valve section of claim 1,
the crimping assembly (3) comprises: a first crimp disc (31), a second crimp 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 crimping disc (31) is fixedly connected with the edge of the second crimping disc (32) through a plurality of conductive connecting sheets (34);
the disc spring (33) is located between the first crimp disc (31) and the second crimp disc (32).
6. The crimped IGBT full-bridge circuit valve section of claim 1,
the conductive connecting piece (2) is a fan-shaped radiator.
7. The crimped IGBT full-bridge circuit valve section of claim 6,
the fan-shaped radiator is a water-cooled radiator;
two adjacent fan-shaped radiators are communicated through a pipeline (6);
and two fan-shaped radiators adjacent to the crimping assembly (3) are communicated with the outside through a pipeline (6).
8. The crimped IGBT full-bridge circuit valve section of claim 7,
the conductive connector assembly includes 4 heat sinks in the form of sectors.
9. The crimped IGBT full-bridge circuit valve section according to any one of claims 1-8,
the bottom of the side wall of each two adjacent conductive connecting pieces (2) is provided with a supporting component;
the IGBT unit (1) positioned between the two adjacent conductive connecting pieces (2) is arranged at the top of the supporting assembly and is detachably connected with the supporting assembly.
10. The crimped IGBT full-bridge circuit valve section of claim 9,
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 to the adjacent conductive connecting piece (2);
the second supporting piece (72) is arranged at the corresponding position of the bottom of the side wall of the adjacent conductive connecting piece (2) and the first supporting piece (71);
the first support member (71) and the second support member (72) are detachably connected to 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 |
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| Publication Number | Publication Date |
|---|---|
| CN113782521A true CN113782521A (en) | 2021-12-10 |
| CN113782521B CN113782521B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110978386.3A Active CN113782521B (en) | 2021-08-24 | 2021-08-24 | Crimping IGBT full-bridge circuit valve section |
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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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| JP2004297847A (en) * | 2003-03-25 | 2004-10-21 | Nissan Motor Co Ltd | Power convertor |
| US20060250765A1 (en) * | 2005-04-22 | 2006-11-09 | Mitsubishi Denki Kabushiki Kaisha | Power unit device and power converter device |
| 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 |
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| CN113782521B (en) | 2023-08-15 |
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