CN219611593U - Lamination device of power module and power module - Google Patents
Lamination device of power module and power module Download PDFInfo
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- CN219611593U CN219611593U CN202320654584.9U CN202320654584U CN219611593U CN 219611593 U CN219611593 U CN 219611593U CN 202320654584 U CN202320654584 U CN 202320654584U CN 219611593 U CN219611593 U CN 219611593U
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Abstract
The utility model discloses a laminating device of a power module and the power module, wherein the laminating device comprises a laminating busbar structure and N power modules assembled with the laminating busbar; the laminated busbar structure comprises a positive busbar, a negative busbar and zero busbar, wherein the positive busbar and the negative busbar are arranged at the upper part and the lower part of the back of the zero busbar, a first insulating layer is arranged between the positive busbar and the negative busbar and the zero busbar, N groups of zero busbar mounting holes corresponding to N power modules are formed in the zero busbar, and a positive busbar mounting through hole is formed in the upper part of one side of each zero busbar mounting hole; the laminated device of the power module is simple in manufacturing process under the condition of meeting the requirement of reducing stray inductance, adopts open insulation installation, reduces cost, enables laminated busbar and the power module structure to be completely overlapped and installed together, occupies small space in installation, can independently maintain one damaged laminated busbar, and is high in maintainability.
Description
Technical Field
The utility model relates to the technical field of new energy power devices, in particular to a lamination device of a power module and the power module.
Background
The stray inductance of the discrete busbar in the prior art is overlarge, and the transient voltage generated at the moment of switching off the power switch is overlapped with the direct-current rational voltage, so that the insulation of the power switch and the motor is threatened. The larger the distributed inductance is, the larger the responsible current is, the shorter the current drop of the power switch is actually, and the more serious the hazard is. To eliminate this hazard, stacked busbar technology has been developed.
The lead inductance of the prior art laminated busbar is very low and this must be ensured by a good insulating material. As shown in fig. 1, the common manufacturing method is to mold the edge-sealed laminated busbar, fully seal the laminated busbar with insulating material, and if one busbar is damaged, the laminated busbar needs to be replaced integrally, the manufacturing process is complex, the maintainability is low, and in order to reduce the stray inductance and the peak voltage, the laminated busbar needs to be manufactured integrally into sealed insulation, so that the cost is high, and in the condition that the laminated busbar is sealed integrally, the laminated busbar and the power module structure cannot be completely overlapped and installed together, and the installation occupation space is large.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a lamination device of a power module, which has simple manufacturing process under the condition of meeting the requirement of reducing stray inductance, adopts open insulation installation, reduces cost, and has the advantages that the lamination busbar and the power module structure can be completely overlapped and installed together, the installation occupation space is small, the damaged lamination busbar can be independently maintained, and the maintainability is high.
In order to solve the technical problems, the utility model provides a lamination device of a power module, which comprises a lamination busbar structure and N power modules assembled with the lamination busbar structure; the laminated busbar structure comprises a positive busbar, a negative busbar and a zero busbar, wherein the positive busbar and the negative busbar are arranged at the upper part and the lower part of the back of the zero busbar, a first insulating layer is arranged between the positive busbar and the negative busbar and the zero busbar, N groups of zero busbar mounting holes corresponding to N power modules are formed in the zero busbar, a positive busbar mounting through hole is formed in the upper part of one side of each zero busbar mounting hole on the zero busbar, a negative busbar mounting through hole is formed in the lower part of one side of each zero busbar mounting hole on the zero busbar, N power module conductive positive ends are respectively arranged on the positive busbar and the negative busbar, N power module conductive negative ends penetrate through the corresponding positive busbar mounting through holes, and N power module conductive negative ends are arranged on the negative busbar and penetrate through the corresponding negative busbar mounting through holes. Each power module comprises a power module main body, a module positive busbar connecting piece, a module negative busbar connecting piece and a module zero busbar connecting piece, wherein the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece are arranged at the lower part of the front end of the power module main body and are connected with devices in the power module main body, a second insulating layer is arranged between the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece, and a third insulating layer is arranged between the module positive busbar connecting piece and the module negative busbar connecting piece; the module positive busbar connecting piece is provided with an interface positive end corresponding to the power module conductive positive end, the module negative busbar connecting piece is provided with an interface negative end corresponding to the power module conductive negative end, the module zero busbar connecting piece is provided with a positive connection through hole and a negative connection through hole, the interface positive end passes through the positive connection through hole, and the interface negative end passes through the negative connection through hole; and the N power modules are connected with the corresponding power module conductive positive end, the power module conductive negative end and the zero busbar in the laminated busbar structure through the interface positive end, the interface negative end and the module zero busbar connecting piece.
Preferably, the positive busbar and the negative busbar are arranged on the same plane and form a certain interval, and the positive busbar, the negative busbar and the zero busbar are stacked together in an edge opening mode.
Preferably, the module positive busbar connecting piece and the module negative busbar connecting piece are arranged on the same plane and form a certain interval, and the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece are stacked together in an edge opening mode.
Preferably, each module zero busbar connector is provided with a first installation fixing member which is matched and installed with the corresponding zero busbar installation hole.
Preferably, each power module conductive positive end is provided with a first installation positioning hole, each power module conductive negative end is provided with a second installation positioning hole, each module positive busbar connecting piece is provided with a second installation fixing component which is matched and installed with the corresponding first installation positioning hole of the power module conductive positive end, and each module negative busbar connecting piece is provided with a third installation fixing component which is matched and installed with the corresponding first installation positioning hole of the power module conductive negative end.
Preferably, the positive busbar and the zero busbar are respectively provided with first assembly mounting holes corresponding to each other, the negative busbar and the zero busbar are respectively provided with second assembly mounting holes corresponding to each other, and the positive busbar, the negative busbar and the zero busbar are assembled together through the bolts, the first assembly mounting holes and the second assembly mounting holes.
In order to solve the technical problems, the utility model also discloses a power module, which comprises the lamination device of the power module.
After the structure is adopted, the lamination device of the power module comprises a lamination busbar structure and N power modules assembled with the lamination busbar; the laminated busbar structure comprises a positive busbar, a negative busbar and a zero busbar, wherein the positive busbar and the negative busbar are arranged at the upper part and the lower part of the back of the zero busbar, a first insulating layer is arranged between the positive busbar and the negative busbar and the zero busbar, N groups of zero busbar mounting holes corresponding to N power modules are formed in the zero busbar, a positive busbar mounting through hole is formed in the upper part of one side of each zero busbar mounting hole on the zero busbar, a negative busbar mounting through hole is formed in the lower part of one side of each zero busbar mounting hole on the zero busbar, N power module conductive positive ends are respectively arranged on the positive busbar and the negative busbar, N power module conductive negative ends penetrate through the corresponding positive busbar mounting through holes, and N power module conductive negative ends are arranged on the negative busbar and penetrate through the corresponding negative busbar mounting through holes. Each power module comprises a power module main body, a module positive busbar connecting piece, a module negative busbar connecting piece and a module zero busbar connecting piece, wherein the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece are arranged at the lower part of the front end of the power module main body and are connected with devices in the power module main body, and a second insulating layer is arranged between the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece; the module positive busbar connecting piece is provided with an interface positive end corresponding to the power module conductive positive end, the module negative busbar connecting piece is provided with an interface negative end corresponding to the power module conductive negative end, the module zero busbar connecting piece is provided with a positive connection through hole and a negative connection through hole, the interface positive end passes through the positive connection through hole, and the interface negative end passes through the negative connection through hole; n power modules are connected with the corresponding power module conductive positive end, power module conductive negative end and zero busbar in the laminated busbar structure through the interface positive end, the interface negative end and the module zero busbar connecting piece; the laminated device of the power module is simple in manufacturing process under the condition of meeting the requirement of reducing stray inductance, adopts open insulation installation, reduces cost, enables laminated busbar and the power module structure to be completely overlapped and installed together, occupies small space in installation, can independently maintain one damaged laminated busbar, and is high in maintainability.
Drawings
FIG. 1 is a block diagram of a stacked busbar of a prior art power module;
FIG. 2 is a block diagram of the overall installation of a stacked device of the power module of the present utility model;
FIG. 3 is a block diagram of a stacked busbar configuration of a stacked device of the power module of the present utility model;
FIG. 4 is a first block diagram of a power module of a stacked device of the power module of the present utility model;
fig. 5 is a second structural diagram of a power module of the stacked device of the power module of the present utility model.
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
Referring to fig. 2 and 3, fig. 2 is a diagram illustrating an overall installation structure of a stacked device of the power module according to the present utility model, and fig. 3 is a diagram illustrating a structure of a stacked busbar of the stacked device of the power module according to the present utility model;
the embodiment discloses a laminating device of a power module, which comprises a laminating busbar structure 10 and N power modules 20 assembled with the laminating busbar structure 10; the laminated busbar structure 10 comprises a positive busbar 101, a negative busbar 102 and a zero busbar 103, wherein the positive busbar 101 and the negative busbar 102 are arranged at the upper part and the lower part of the back surface of the zero busbar 103, a first insulating layer 104 is arranged between the positive busbar 101 and the negative busbar 102 and the zero busbar 103, N groups of zero busbar mounting holes 109 corresponding to N power modules are formed in the zero busbar 103, a positive busbar mounting through hole 108 is formed in the upper part of one side of each zero busbar mounting hole 109 on the zero busbar 103, a negative busbar mounting through hole 106 is formed in the lower part of one side of each zero busbar mounting hole 109 on the zero busbar 103, N power module conductive positive ends are respectively arranged on the positive busbar 101, N power module conductive negative ends pass through the corresponding positive busbar mounting through holes 108, N power module conductive negative ends are respectively arranged on the negative busbar 102, and the power module conductive negative ends pass through the corresponding negative busbar mounting through holes 106; each power module 20 comprises a power module main body, a module positive busbar connecting piece 201, a module negative busbar connecting piece 204 and a module zero busbar connecting piece 203 which are arranged at the lower part of the front end of the power module main body, wherein the module positive busbar connecting piece 201, the module negative busbar connecting piece 204 and the module zero busbar connecting piece 203 are connected with devices in the power module main body, a second insulating layer is arranged between the module positive busbar connecting piece 201, the module negative busbar connecting piece 204 and the module zero busbar connecting piece 203, and a third insulating layer 205 is arranged between the module positive busbar connecting piece 201 and the module negative busbar connecting piece 204; the module positive busbar connecting piece 201 is provided with an interface positive end 206 corresponding to the power module conductive positive end, the module negative busbar connecting piece 204 is provided with an interface negative end 207 corresponding to the power module conductive negative end, the module zero busbar connecting piece 203 is provided with a positive connection through hole and a negative connection through hole, the interface positive end 206 penetrates through the positive connection through hole, and the interface negative end 207 penetrates through the negative connection through hole; the N power modules are connected with the corresponding power module conductive positive terminal, power module conductive negative terminal and zero busbar 103 in the stacked busbar configuration through the interface positive terminal 206, the interface negative terminal 207 and the module zero busbar connection 203.
Example two
In this embodiment, the positive busbar 101 and the negative busbar 102 are arranged on the same plane and form a certain interval, and the positive busbar 101, the negative busbar 102 and the zero busbar 103 are stacked together in an edge-open manner.
The module positive busbar connection piece 201 and the module negative busbar connection piece 204 are arranged on the same plane and form a certain interval, and the module positive busbar connection piece 201, the module negative busbar connection piece 204 and the module zero busbar connection piece 203 are stacked together in an edge opening mode.
Example III
This embodiment is based on the first embodiment, which, in this embodiment,
each module zero busbar connector 203 is provided with a first mounting fixture for mating with a corresponding zero busbar mounting hole 109.
Each power module electrically conducts the positive end and is provided with first installation locating hole, each power module electrically conducts the negative end and is provided with the second installation locating hole, be provided with on each module positive busbar connecting piece 201 with the corresponding the first installation locating hole of power module electrically conducts the positive end carries out the second installation fixed component of matching the installation, be provided with on each module negative busbar connecting piece 204 with the corresponding the first installation locating hole of power module electrically conducts the negative end carries out the third installation fixed component of matching the installation.
The positive busbar 101 and the zero busbar 103 are respectively provided with first assembly mounting holes corresponding to each other, the negative busbar 102 and the zero busbar 103 are respectively provided with second assembly mounting holes corresponding to each other, and the positive busbar 101, the negative busbar 102 and the zero busbar 103 are assembled together through bolts, the first assembly mounting holes and the second assembly mounting holes.
Example IV
The embodiment discloses a power module, which comprises the laminating device of the power module in any one of the first to third embodiments.
The preferred embodiments of the present utility model have been described above with reference to the accompanying drawings, and thus do not limit the scope of the claims of the present utility model. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the present utility model shall fall within the scope of the appended claims.
Claims (7)
1. The laminating device of the power module is characterized by comprising a laminating busbar structure and N power modules assembled with the laminating busbar structure; the laminated busbar structure comprises a positive busbar, a negative busbar and a zero busbar, wherein the positive busbar and the negative busbar are arranged at the upper part and the lower part of the back of the zero busbar, a first insulating layer is arranged between the positive busbar and the negative busbar and the zero busbar, N groups of zero busbar mounting holes corresponding to N power modules are formed in the zero busbar, a positive busbar mounting through hole is formed in the upper part of one side of each zero busbar mounting hole on the zero busbar, a negative busbar mounting through hole is formed in the lower part of one side of each zero busbar mounting hole on the zero busbar, N power module conductive positive ends are respectively arranged on the positive busbar and the negative busbar, N power module conductive negative ends penetrate through the corresponding positive busbar mounting through holes, and N power module conductive negative ends are arranged on the negative busbar and penetrate through the corresponding negative busbar mounting through holes. Each power module comprises a power module main body, a module positive busbar connecting piece, a module negative busbar connecting piece and a module zero busbar connecting piece, wherein the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece are arranged at the lower part of the front end of the power module main body and are connected with devices in the power module main body, a second insulating layer is arranged between the module positive busbar connecting piece, the module negative busbar connecting piece and the module zero busbar connecting piece, and a third insulating layer is arranged between the module positive busbar connecting piece and the module negative busbar connecting piece; the module positive busbar connecting piece is provided with an interface positive end corresponding to the power module conductive positive end, the module negative busbar connecting piece is provided with an interface negative end corresponding to the power module conductive negative end, the module zero busbar connecting piece is provided with a positive connection through hole and a negative connection through hole, the interface positive end passes through the positive connection through hole, and the interface negative end passes through the negative connection through hole; and the N power modules are connected with the corresponding power module conductive positive end, the power module conductive negative end and the zero busbar in the laminated busbar structure through the interface positive end, the interface negative end and the module zero busbar connecting piece.
2. The power module laminating device according to claim 1, wherein the positive busbar and the negative busbar are arranged on the same plane and form a certain interval, and the positive busbar, the negative busbar and the zero busbar are laminated together in an edge-open manner.
3. The power module lamination device according to claim 1, wherein the module positive busbar connection piece and the module negative busbar connection piece are arranged on the same plane and form a certain interval, and the module positive busbar connection piece, the module negative busbar connection piece and the module zero busbar connection piece are laminated together in an edge opening mode.
4. The power module stacking device of claim 1, wherein each module zero busbar connection is provided with a first mounting fixture configured to matingly mount with a corresponding zero busbar mounting hole.
5. The power module lamination device according to claim 1, wherein each power module conductive positive end is provided with a first mounting positioning hole, each power module conductive negative end is provided with a second mounting positioning hole, each module positive busbar connection piece is provided with a second mounting fixing member which is matched and mounted with the corresponding first mounting positioning hole of the power module conductive positive end, and each module negative busbar connection piece is provided with a third mounting fixing member which is matched and mounted with the corresponding first mounting positioning hole of the power module conductive negative end.
6. The power module laminating device according to claim 1, wherein the positive busbar and the zero busbar are respectively provided with first assembly mounting holes corresponding to each other, the negative busbar and the zero busbar are respectively provided with second assembly mounting holes corresponding to each other, and the positive busbar, the negative busbar and the zero busbar are assembled together through bolts, the first assembly mounting holes and the second assembly mounting holes.
7. A power module, characterized in that it comprises a stack arrangement of power modules according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654584.9U CN219611593U (en) | 2023-03-23 | 2023-03-23 | Lamination device of power module and power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320654584.9U CN219611593U (en) | 2023-03-23 | 2023-03-23 | Lamination device of power module and power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219611593U true CN219611593U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320654584.9U Active CN219611593U (en) | 2023-03-23 | 2023-03-23 | Lamination device of power module and power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219611593U (en) |
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2023
- 2023-03-23 CN CN202320654584.9U patent/CN219611593U/en active Active
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