CN212161801U - Power module - Google Patents
Power module Download PDFInfo
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- CN212161801U CN212161801U CN202021210881.7U CN202021210881U CN212161801U CN 212161801 U CN212161801 U CN 212161801U CN 202021210881 U CN202021210881 U CN 202021210881U CN 212161801 U CN212161801 U CN 212161801U
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- sided copper
- power module
- clad plate
- clad
- copper
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Abstract
The embodiment of the utility model provides a power module, including the two-sided copper-clad plate of two range upon range of crimping, each one side of two-sided copper-clad plate towards another two-sided copper-clad plate all is provided with at least one power component on the surface, power component's surface is through electrode briquetting and another that has predetermined plastic deformation ability the two-sided copper-clad plate cover copper layer butt, during two-sided copper-clad plate crimps, the electrode briquetting receives plastic deformation takes place and covers copper layer and combine closely for two-sided copper-clad plate extrudees. When the two double-sided copper-clad plates are in compression joint, the electrode pressing block is subjected to plastic deformation, and a gap between the electrode pressing block and the copper-clad layers is filled, so that the electrode pressing block and the double-sided copper-clad plates are connected more closely.
Description
Technical Field
The embodiment of the utility model provides a relate to power electronic technology field, especially relate to a power module.
Background
At present, interconnection of power devices in power modules such as IGBT modules is mainly in a crimping type, device electrodes in the crimping type power modules are directly connected through pressure, the power modules have the characteristics of double-sided heat dissipation, higher working junction temperature, high reliability and the like, and have great competitive advantages in application fields with harsh application environments and high reliability requirements.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves lies in, provides the power module that connects inseparabler.
In order to solve the technical problem, the embodiment of the utility model provides an adopt following technical scheme: the utility model provides a power module, includes two range upon range of two-sided copper-clad plates of crimping, each one side surface towards another two-sided copper-clad plate of two-sided copper-clad plate all is provided with at least one power component, power component's surface is through the electrode briquetting that has predetermined plastic deformation ability and another the copper-clad layer butt of two-sided copper-clad plate, when two-sided copper-clad plates crimping, the electrode briquetting receives two-sided copper-clad plate extrusion takes place plastic deformation and covers copper layer and combine closely.
Furthermore, the power module also comprises an insulating shell, and the double-sided copper-clad plate is accommodated in the insulating shell.
Furthermore, the two opposite sides of the insulating shell are respectively provided with an installation opening for installing the double-sided copper-clad plate.
Furthermore, the inside of the insulating shell is filled with sealing colloid.
Furthermore, the power module also comprises a conductive assembly, wherein one end of the conductive assembly extends into the insulating shell to be conducted with a circuit on the copper-clad plate, and the other end of the conductive assembly is positioned outside the insulating shell to be conducted with an external circuit in a butt joint mode.
Further, the conductive assembly includes a first conductive member, a second conductive member and an output electrode, one of the first conductive member and the second conductive member is a positive electrode, the other is a negative electrode, the first conductive member and the second conductive member are installed on the same side of the power module, and the output electrode is installed on the other side of the power module.
Further, a plurality of signal terminals are further mounted on one side of the power module, on which the output electrodes are mounted.
Furthermore, all the electrode pressing blocks are sequentially connected into a whole through connecting pieces.
Further, the double-sided copper-clad plate is a ceramic-based double-sided copper-clad plate.
Adopt above-mentioned technical scheme, the embodiment of the utility model provides a following beneficial effect has at least: the embodiment of the utility model provides a when two-sided copper clad laminate crimping, because the electrode briquetting possesses plastic deformation ability, the electrode briquetting takes place plastic deformation, has filled electrode briquetting and two-sided copper clad laminate and has covered the clearance between the copper layer, makes the electrode briquetting inseparabler with being connected between the two-sided copper clad laminate.
Drawings
Fig. 1 is a schematic perspective view of an alternative embodiment of the power module according to the present invention in a combined state.
Fig. 2 is a schematic perspective view of a power module according to an alternative embodiment of the present invention in a disassembled state.
Fig. 3 is a cross-sectional view of an alternative embodiment of the power module of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the following illustrative embodiments and description are only intended to illustrate the present invention, and are not intended as a limitation of the present invention, and that features of the embodiments and examples may be combined with each other without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
As shown in fig. 1-3, an optional embodiment of the utility model provides a power module, including the two-sided copper-clad plate 11 of two range upon range of crimping, each one side of two-sided copper-clad plate 11 towards another two-sided copper-clad plate 11 all is provided with at least one power component 12 on the surface, power component 12's surface is through electrode briquetting 13 and another that has predetermined plastic deformation ability the copper layer 111 butt of two-sided copper-clad plate 11, during the crimping of two-sided copper-clad plates 11, electrode briquetting 13 receives plastic deformation takes place in the extrusion of two-sided copper-clad plate 11 and copper layer 111 combines closely.
The embodiment of the utility model provides an in, when two-sided copper-clad plate 11 looks crimping, electrode briquetting 13 possesses plastic deformation ability, and electrode briquetting 13 takes place plastic deformation, has filled electrode briquetting 13 and two-sided copper-clad plate 11 and has covered the clearance between copper layer 111, makes the electrode briquetting 13 and two-sided copper-clad plate 11 between be connected inseparabler, and the effect of electrically conducting and heat conducting is better.
Because of the thermal resistance, if the power components 12 are all disposed on the same double-sided copper-clad plate 11, the heat dissipation power of the other double-sided copper-clad plate 11 will be reduced, and the overall heat dissipation capability of the power module will be reduced, so in this embodiment, the power components 12 are disposed on the two double-sided copper-clad plates 11 respectively, so that the heat dissipation of the double-sided copper-clad plates 11 is more uniform, and the overall heat dissipation capability of the power module is better.
In another optional embodiment of the present invention, as shown in fig. 1-2, the power module further includes an insulating housing 14, and the double-sided copper-clad plate 11 is accommodated inside the insulating housing 14.
In this embodiment, the insulating housing 14 is provided to protect the double-sided copper-clad plate 11 and the electronic components between the two double-sided copper-clad plates 11.
In another optional embodiment of the present invention, as shown in fig. 2, the two opposite sides of the insulating housing are respectively provided with a mounting opening 141 for mounting the double-sided copper-clad plate 11.
In this embodiment, the installation openings 141 are formed on the two opposite sides of the insulating housing, so that the installation of the double-sided copper-clad plate 11 is easier.
In another optional embodiment of the present invention, the inside of the insulating housing 14 is filled with a sealing glue.
In the present embodiment, the inside of the insulating housing 14 is filled with a sealing compound to prevent the inside of the power module from being affected by moisture.
In another optional embodiment of the present invention, as shown in fig. 3, the power module further includes a conductive component 15, one end of the conductive component 15 extends into the insulating housing 14 to be connected to the circuit on the copper-clad plate, and the other end is located outside the insulating housing 14 to be connected to the external circuit.
In yet another alternative embodiment of the present invention, as shown in fig. 1-2, the conductive assembly 15 includes a first conductive member 151, a second conductive member 152, and an output electrode 153, wherein one of the first conductive member 151 and the second conductive member 152 is a positive electrode, and the other one is a negative electrode, the first conductive member 151 and the second conductive member 152 are installed on the same side of the power module, and the output electrode 153 is installed on the other side of the power module.
In this embodiment, the power module is connected to the power supply through the positive electrode and the negative electrode, and the power module is a half-bridge circuit through which current is rectified and transmitted from the output electrode 153 to the external component.
In yet another alternative embodiment of the present invention, as shown in fig. 1-2, the side of the power module where the output electrode 153 is installed is also installed with a plurality of signal terminals 16.
In the present embodiment, the power module receives an external signal through the signal terminal 16 to control the operation of the power element 12.
In another alternative embodiment of the present invention, as shown in fig. 2 to 3, all the electrode compacts 13 are connected in sequence to be integrated by the connecting member 132.
In the present embodiment, the electrode compacts 13 are electrically connected between the respective electrode compacts 13 through the connecting member 132, enhancing the electrical conductivity.
In another optional embodiment of the present invention, the double-sided copper-clad plate 11 is a ceramic-based double-sided copper-clad plate 11.
The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.
Claims (9)
1. The utility model provides a power module, includes two range upon range of two-sided copper-clad plates of crimping, each one of two-sided copper-clad plate all is provided with at least one power component on the surface of one side of two-sided copper-clad plate towards another two-sided copper-clad plate, its characterized in that, power component's surface is through the electrode briquetting and another that have predetermined plastic deformation ability the copper-clad layer butt of two-sided copper-clad plate, when two-sided copper-clad plate crimping, the electrode briquetting receives two-sided copper-clad plate extrusion takes place plastic deformation and copper-clad layer and.
2. The power module of claim 1, wherein the power module further comprises an insulating housing, and the double-sided copper-clad plate is accommodated inside the insulating housing.
3. The power module of claim 2, wherein the two opposite sides of the insulating shell are respectively provided with a mounting opening for mounting the double-sided copper-clad plate.
4. The power module of claim 2 wherein the interior of the insulative housing is further filled with a sealant.
5. The power module of claim 2, further comprising a conductive component, wherein one end of the conductive component extends into the insulating housing to be conducted with a circuit on the copper-clad plate, and the other end of the conductive component is located outside the insulating housing to be conducted with an external circuit in a butt joint manner.
6. The power module of claim 5, wherein the conductive assembly comprises a first conductive member, a second conductive member, and an output electrode, wherein one of the first conductive member and the second conductive member is a positive electrode, the other is a negative electrode, the first conductive member and the second conductive member are mounted on the same side of the power module, and the output electrode is mounted on the other side of the power module.
7. The power module of claim 6, wherein the side of the power module to which the output electrode is mounted is further mounted with a plurality of signal terminals.
8. The power module as claimed in claim 1, wherein all of the electrode compacts are connected in sequence to be integrated by a connecting member.
9. The power module of claim 1, wherein the double-sided copper-clad laminate is a ceramic-based double-sided copper-clad laminate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021210881.7U CN212161801U (en) | 2020-06-24 | 2020-06-24 | Power module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021210881.7U CN212161801U (en) | 2020-06-24 | 2020-06-24 | Power module |
Publications (1)
Publication Number | Publication Date |
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CN212161801U true CN212161801U (en) | 2020-12-15 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202021210881.7U Active CN212161801U (en) | 2020-06-24 | 2020-06-24 | Power module |
Country Status (1)
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CN (1) | CN212161801U (en) |
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2020
- 2020-06-24 CN CN202021210881.7U patent/CN212161801U/en active Active
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