CN210609869U - Power device connection structure - Google Patents
Power device connection structure Download PDFInfo
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- CN210609869U CN210609869U CN201920746370.8U CN201920746370U CN210609869U CN 210609869 U CN210609869 U CN 210609869U CN 201920746370 U CN201920746370 U CN 201920746370U CN 210609869 U CN210609869 U CN 210609869U
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Abstract
The utility model provides a power device connecting structure, which comprises a PCB board, a connecting sheet, a power device and a heat dissipation device, wherein the heat dissipation device is arranged below the power device, it is characterized in that the connecting piece is provided with a first plane and a second plane, the connecting piece is integrally formed, the first plane is fixed on the PCB and is electrically connected with the PCB, the second plane is electrically connected with the pins of the power device, the pins of the power device are connected to the PCB through the metal connecting sheets, so that the actual current, the actual voltage and the actual power of the power device are effectively improved, the heat dissipation capacity of the power device is improved, the power device is prevented from being damaged when the temperature change heat dissipation device and the power device deform, and the working performance and the safety of the power device are improved.
Description
Technical Field
The utility model relates to a power battery management system especially relates to a power device connection structure.
Background
When the power device is installed, two common methods are used at present, one method is to directly install the power device on the PCB, the electric conduction capability and the heat dissipation capability of the power device under the scheme are limited, and the actual voltage, the actual current and the actual power of the power device are low, which cannot meet the requirements of the current market.
The other is to mount a heat dissipation device under the power device to dissipate heat of the power device, and then directly connect the heat dissipation device to the PCB, however, when the pins of the power device are mounted on different planes (such as various PCBs and heat dissipation devices), because the deformation amount or direction of different materials is different under the same temperature change, the pins of the power device are easily damaged by mechanical stress of the mounting surface, further causing the failure of the power device.
Disclosure of Invention
The utility model provides a power device connection structure can effectively avoid different installation faces to produce the problem that the difference leads to the power device to damage after being heated.
The utility model provides a power device connection structure, including PCB board, connection piece, power device and heat abstractor, heat abstractor sets up power device below, a serial communication port, the connection piece has first plane and second plane, connection piece integrated into one piece, first plane is fixed to on the PCB board and with PCB board electricity is connected, the second plane with power device's pin electricity is connected.
As an improvement of the present invention, the height of the first plane is slightly lower than that of the second plane.
As an improvement of the present invention, the connecting piece is made of a metal material.
As an improvement of the present invention, the second plane includes at least one connection pad, and the pins of the power device are electrically connected to the connection pad.
As an improvement of the present invention, the power device corresponds to the connection table one-to-one.
The utility model provides a pair of power device connection structure is connected to the PCB board through using the metal connecting piece with power device's pin on, improves power device's actual current, actual voltage and actual power effectively, improves power device's heat-sinking capability, has prevented that temperature variation heat abstractor and power device from taking place to reduce power device when deformation, has improved power device's working property and security.
Drawings
Fig. 1 is a schematic view of the overall structure of a power device connection structure.
FIG. 2 is a schematic view of a structure of one embodiment of a connecting piece.
The PCB comprises a PCB (printed circuit board) 1, a connecting sheet 2, a first plane 21, a second plane 22, a connecting table 23, a mounting hole 24, a power device 3 and a heat dissipation device 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
It should be understood that the same or similar reference numerals in the drawings refer to the same or similar structures or components, and the terms "upper", "lower", "left", "right", etc. used herein for describing the directions or positions are only used for the convenience of describing the drawings, so that those skilled in the art can understand the technical solution and do not limit the present invention to be installed or designed at a specific position and in a specific orientation.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited in the art, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections, either direct connections or indirect connections through intervening media. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
As shown in fig. 1, the utility model provides a power device connection structure, including PCB board (1), connection piece (2), power device (3) and heat abstractor (4), heat abstractor (4) set up in power device (3) below, cool down power device (3), prevent that power device (3) high temperature from taking place to damage.
As shown in fig. 2, the connecting piece (2) has a first plane (21) and a second plane (22), the height of the first plane (21) is slightly lower than that of the second plane (22), the connecting piece (2) is made of metal material, and as a preferred mode of the present invention, the connecting piece (2) is made of metal copper.
The connecting piece (2) is integrally formed, the first plane (21) is fixed on the PCB (1) and is electrically connected with the PCB (1), the second plane (22) is electrically connected with pins of the power device (3), the second plane (22) comprises at least one connecting table (23), the pins of the power device (3) are electrically connected onto the connecting table (23), and each connecting table (23) is electrically connected with only one power device (3).
As a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the whole connecting member uses the MOS transistor as the power device (3), there are 12 power devices (3), the power device (3) is divided into two rows on average, each row contains 6 power devices (3), a heat sink (4) made of metal is disposed below each power device (3), and the heat sink (4) connects the PCB board (1) and the power device (3).
As a specific embodiment of the present invention, as shown in fig. 1 and fig. 2, the connection piece (2) includes a first plane (21) and a second plane (22), the height of the first plane (21) is slightly lower than that of the second plane (22), two mounting holes (24) are provided on the first plane (21), the connection piece (2) is fixed to the PCB (1) through the mounting holes (24) and is electrically connected to the PCB (1), the second plane (22) is divided into a left part and a right part, each part includes 6 connection platforms (23), each connection platform (23) is electrically connected to a power device (3), the connection piece (2) is overall in a fishbone shape, and it is convenient for assembling other circuit devices between the connection platforms (23).
The above is a further detailed description of the present invention with reference to specific preferred embodiments, and it should not be considered that the present invention is limited to these descriptions, and that a person skilled in the art can make several simple deductions or substitutions without departing from the spirit of the present invention, which should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.
Claims (5)
1. The utility model provides a power device connection structure, includes PCB board, connection piece, power device and heat abstractor, heat abstractor sets up the power device below, its characterized in that, the connection piece has first plane and second plane, connection piece integrated into one piece, first plane is fixed to on the PCB board and with PCB board electricity is connected, the second plane with power device's pin electricity is connected.
2. The power device connection structure according to claim 1, wherein the first plane is slightly lower than the second plane.
3. A power device connection structure according to claim 1, wherein said connection pad is made of a metal material.
4. The power device connection structure of claim 1, wherein the second plane comprises at least one connection pad, and the pin of the power device is electrically connected to the connection pad.
5. The power device connection structure according to claim 4, wherein the power devices are in one-to-one correspondence with the connection pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746370.8U CN210609869U (en) | 2019-05-23 | 2019-05-23 | Power device connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920746370.8U CN210609869U (en) | 2019-05-23 | 2019-05-23 | Power device connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210609869U true CN210609869U (en) | 2020-05-22 |
Family
ID=70692207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920746370.8U Active CN210609869U (en) | 2019-05-23 | 2019-05-23 | Power device connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210609869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242372A (en) * | 2019-07-19 | 2021-01-19 | 欣旺达电动汽车电池有限公司 | Power device connection structure |
-
2019
- 2019-05-23 CN CN201920746370.8U patent/CN210609869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112242372A (en) * | 2019-07-19 | 2021-01-19 | 欣旺达电动汽车电池有限公司 | Power device connection structure |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 Xinwangda Industrial Park, No.18, Tangjia south, Gongming street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |