CN212969429U - Integrated power module for DCDC - Google Patents
Integrated power module for DCDC Download PDFInfo
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- CN212969429U CN212969429U CN202022302972.XU CN202022302972U CN212969429U CN 212969429 U CN212969429 U CN 212969429U CN 202022302972 U CN202022302972 U CN 202022302972U CN 212969429 U CN212969429 U CN 212969429U
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- copper bar
- inductor
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Abstract
The utility model provides an integrated form power module for DCDC, including transformer, inductance, copper bar and paster circuit board, be equipped with the connector on the power device, be equipped with the spliced pole on the paster circuit board, be equipped with a plurality of breachs on the copper bar, the copper bar with the spliced pole is connected; the copper bar comprises a first copper sheet, a second copper sheet, a third copper sheet and a fourth copper sheet, and the second copper sheet is used for connecting the transformer and the inductor. According to the copper bar, the gap is formed in the copper bar, the connector of the inductor and the connector of the transformer are directly clamped into the copper bar to be connected with the copper bar, so that the inductor and the transformer are directly connected through the second copper sheet, the current of the inductor and the current of the transformer do not pass through the circuit board, and ablation on the circuit board is avoided; and meanwhile, the current of the inductor and the current of the transformer are directly connected with the connecting column through the copper bar, so that the path of the copper bar in the current loop is shortened.
Description
Technical Field
The utility model relates to a new energy automobile technical field that charges, concretely relates to an integrated form power module for DCDC.
Background
Compared with the traditional fuel oil automobile, the electric automobile has the advantages of environmental protection, energy conservation, low noise and the like, becomes a research hotspot of all countries in the world under the large background of energy crisis and environmental pollution, is a high point of the next automobile industry revolution, and has important significance for the vigorous development of the electric automobile in the future automobile industry of China.
The electric automobile needs to use a high-power DCDC converter, and when the electric automobile is used, the high-power DCDC converter needs to convert the high current and then charge a vehicle-mounted low-voltage battery for supplying to a vehicle-mounted low-voltage electric appliance. The existing new energy vehicle is characterized in that a power device with large current is mounted on one circuit board, a power device with small current is mounted on the other circuit board, and then the two circuit boards are connected through a copper bar. The circuit board is ablated because the current between the inductor and the transformer may reach 200A, and the current path is extended because the inductor and the transformer are connected to the circuit board and then connected to another circuit board through copper bars.
Disclosure of Invention
The utility model discloses all weld on a circuit board to present inductance and transformer, the copper sheet through the circuit board is connected in connection between them, but because the problem that the circuit board ablates is likely to appear to the electric current ratio between inductance and the transformer great, provides an integrated form power module for DCDC.
In order to achieve the above purpose, the invention provides the following technical scheme:
an integrated power module for DCDC comprises a power device, a copper bar and a patch circuit board, wherein a connector is arranged on the power device, a connecting column is arranged on the patch circuit board, one end, close to the power device, of the copper bar is provided with a plurality of notches, the connector is clamped into the notches, the other end of the copper bar is provided with a connecting hole, and the copper bar is connected with the connecting column through the connecting hole; the power device comprises a transformer and an inductor, the inductor is arranged between the transformer and the surface mounted circuit board, and three connecting columns are arranged on the surface mounted circuit board; the copper bar comprises a first copper sheet, a second copper sheet, a third copper sheet and a fourth copper sheet; the first copper sheet and the fourth copper sheet are used for connecting the transformer and the connecting column, the second copper sheet is used for connecting the transformer and the inductor, and the third copper sheet is used for connecting the inductor and the connecting column.
Preferably, still include the roof, the roof is the epoxy board, correspond on the roof connector department is equipped with the trompil, the connector penetrates in the trompil. The top plate is arranged on the upper portion of the inductor and the upper portion of the transformer, the connecting head is inserted into the opening of the top plate, then the top plate is fixed to other parts, the inductor and the transformer can be fixed, and meanwhile the top plate is not conductive and can insulate the transformer and the inductor.
Preferably, the connector is connected with the open hole through epoxy glue. After the connectors of the transformer and the inductor are bonded with the top plate through epoxy glue, the top plate can be connected with the transformer and the inductor more stably, and therefore the positions of the transformer and the inductor are more stable.
Preferably, the connector with copper bar welded connection. After the connector is clamped into the notch of the copper bar, the connector is welded through tin soldering, so that the connector is better connected with the copper bar.
Compared with the prior art, the invention has the beneficial effects that: according to the method, the notch is formed in the copper bar, the connector of the inductor and the transformer is directly clamped into the copper bar to be connected with the copper bar, so that the inductor and the transformer are directly connected through the second copper sheet, the current of the inductor and the current of the transformer do not pass through the circuit board, and the circuit board is prevented from being ablated; and meanwhile, the current of the inductor and the current of the transformer are directly connected with the connecting column through the copper bar, so that the path of the copper bar in the current loop is shortened.
Description of the drawings:
fig. 1 is a first schematic structural diagram of an integrated power module for DCDC according to the present disclosure.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a schematic structural diagram of an integrated power module for DCDC according to the present application.
The labels in the figure are: 1-power device, 11-transformer, 12-inductor, 13-connector, 2-copper bar, 21-first copper sheet, 22-second copper sheet, 23-third copper sheet, 24-fourth copper sheet, 25-gap, 26-connecting hole, 3-patch circuit board, 31-connecting column, 4-top plate and 41-hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the application provides an integrated form power module for DCDC, including power device 1, copper bar 2 and paster circuit board 3, power device 1 includes transformer 11 and inductance 12, be equipped with connector 13 on the power device 1, be equipped with three spliced pole 31 on the paster circuit board 3, copper bar 2 is close to power device 1's one end corresponds every connector 13 and is equipped with a breach 25, connector 13 card is gone into in the breach 25, the other end of copper bar 2 is equipped with connecting hole 26, copper bar 2 passes through connecting hole 26 with spliced pole 31 is connected, is equipped with the internal thread on the spliced pole 31, and the bolt passes behind connecting hole 26 with interior threaded connection.
The inductor 12 is installed between the transformer 11 and the chip circuit board 3, and three connecting columns 31 are arranged on the chip circuit board 3; the copper bar 2 comprises a first copper sheet 21, a second copper sheet 22, a third copper sheet 23 and a fourth copper sheet 24; the first copper sheet 21 and the fourth copper sheet 24 are used for connecting the transformer 11 and the connection post 31, the second copper sheet 22 is used for connecting the transformer 11 and the inductor 12, and the third copper sheet 23 is used for connecting the inductor 12 and the connection post 31. The ends of the first copper sheet 21, the third copper sheet 23 and the fourth copper sheet 24 connected with the connecting column 31 are bent into a Z shape. Four notches 25 are formed in the positions where the first copper sheets 21 are connected with the transformer 11, eight notches 25 are formed in the ends, connected with the transformer 11, of the second copper sheets 22, two notches 25 are formed in the ends, connected with the inductor 12, of the second copper sheets 22, two notches 25 are formed in the third copper sheets 23, and four notches 25 are formed in the fourth copper sheets 24. The first copper sheet 21, the second copper sheet 22, the third copper sheet 23 and the fourth copper sheet 24 are all processed and bent by adopting tinned red copper. The top plate 4 is arranged on the top of the transformer 11 and the inductor 12, the top plate 4 is provided with a hole 41, and the top plate is further provided with a via hole, so that connectors for connecting the power device 1 with other circuit boards can penetrate through the via hole.
As shown in fig. 2, a top plate 4 is further disposed on the top of the transformer 11 and the inductor 12, a hole 41 is disposed on the top plate 4 corresponding to the connector 13, and the top plate 4 is an epoxy plate. Firstly, the connector 13 is clamped into the notch 25, the transformer 11, the inductor 12 and the copper bar 2 are welded through soldering, then the connector 13 is inserted into the opening 41 of the top plate 4, and finally the connector 13 and the top plate 4 are connected and fixed through epoxy glue.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. The integrated power module for the DCDC is characterized by comprising a power device (1), a copper bar (2) and a patch circuit board (3), wherein a connector (13) is arranged on the power device (1), a connecting column (31) is arranged on the patch circuit board (3), one end, close to the power device (1), of the copper bar (2) is provided with a plurality of notches (25), the connector (13) is clamped into the notches (25), the other end of the copper bar (2) is provided with a connecting hole (26), and the copper bar (2) is connected with the connecting column (31) through the connecting hole (26); the power device (1) comprises a transformer (11) and an inductor (12), and the copper bar (2) comprises a first copper sheet (21), a second copper sheet (22), a third copper sheet (23) and a fourth copper sheet (24); the first copper sheet (21) and the fourth copper sheet (24) are used for connecting the transformer (11) and the connecting column (31), the second copper sheet (22) is used for connecting the transformer (11) and the inductor (12), and the third copper sheet (23) is used for connecting the inductor (12) and the connecting column (31).
2. The integrated power module for DCDC according to claim 1, further comprising a top plate (4), wherein said top plate (4) is an epoxy plate, and an opening (41) is formed on said top plate (4) corresponding to said connector (13), and said connector (13) penetrates into said opening (41).
3. The integrated power module for DCDC according to claim 2, wherein the connector (13) and the opening (41) are connected by epoxy glue.
4. The integrated power module for DCDC according to claim 1, wherein the connector (13) is welded to the copper bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302972.XU CN212969429U (en) | 2020-10-14 | 2020-10-14 | Integrated power module for DCDC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022302972.XU CN212969429U (en) | 2020-10-14 | 2020-10-14 | Integrated power module for DCDC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212969429U true CN212969429U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022302972.XU Active CN212969429U (en) | 2020-10-14 | 2020-10-14 | Integrated power module for DCDC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212969429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158221A (en) * | 2021-11-30 | 2022-03-08 | 杭州云电科技能源有限公司 | Synchronous rectification module |
-
2020
- 2020-10-14 CN CN202022302972.XU patent/CN212969429U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158221A (en) * | 2021-11-30 | 2022-03-08 | 杭州云电科技能源有限公司 | Synchronous rectification module |
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