CN218997140U - 48V liquid cooling BSG controller - Google Patents
48V liquid cooling BSG controller Download PDFInfo
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- CN218997140U CN218997140U CN202223176737.8U CN202223176737U CN218997140U CN 218997140 U CN218997140 U CN 218997140U CN 202223176737 U CN202223176737 U CN 202223176737U CN 218997140 U CN218997140 U CN 218997140U
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Abstract
The utility model relates to a 48V liquid cooling BSG controller, which comprises a control board, an inverter power board, a radiator, a separation board, an end cover and an insulating sheath, and is characterized in that 1) the inverter power board power line is connected with 2) a power device and a direct current support capacitor in an integrated design. Compared with the prior art, the utility model has the advantages that 1) the inverter power board power line adopts the high-current spring contact finger quick plug connector, thereby being convenient for production, installation, transportation and maintenance, having high protection grade and low cost. 2) The alternating current of the power devices of the inversion power board is connected in parallel by 3 or 4 phases, so that the heat dissipation is good, the system efficiency is high, and the power matching is flexible. 3) The inversion power board and the direct current support capacitor are integrated with the board for layout and design, and the parasitic inductance is small. 4) The variable power board PCB board uses high polymer material or ceramic base with heat conductivity higher than 10W/(m.k) (20 ℃) and the radiator adopts liquid cooling mode, so that the system dissipates heat well. 5) The isolation plate is made of heat-insulating and magnetic-insulating composite materials, and the system reliability is high.
Description
Technical Field
The utility model belongs to the technical field of motor driving of new energy automobiles, and particularly relates to a 48V liquid cooling BSG controller.
Background
The electric drive system is a key component of a new energy automobile, and the power density, the integration degree, the high efficiency, the safety and the intelligence are trends of the development of the electric drive system industry. Under the guidance of the trend of 'software defined automobiles', electronic and electric architecture is increasingly controlled by a direction domain and controlled by a central control, and an electric drive system is gradually improved from the traditional mechanical level integration to the evolution of 'all-in-one integration' of a power electronic level and 'software integration' of a power domain level through deep integration. Under the circumstances, development of a motor controller with high reliability, high power density, high integration degree and high efficiency is urgently required.
At present, the motor controller power units for the integrated power system all adopt a structure form that a module and a power line adopt a busbar, and the following weaknesses exist: 1. and at the same power, the volume is large. 2. Poor heat dissipation and low efficiency. 3, poor electromagnetic compatibility. 4. The maintenance is inconvenient. 5. The power matching compatibility is poor.
Disclosure of Invention
The utility model provides a 48V liquid cooling BSG controller for solving the problems existing in the prior art. The power line of the inverter power board is connected with 2) the power device and the direct current support capacitor in an integrated mode.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the power line of the inversion power board adopts a quick plug connector, and the positive terminal and the negative terminal of direct current and the UVW three-phase power terminal of alternating current all adopt high-current spring contact finger quick plug connectors.
The power devices of the inversion power board are connected in parallel by 3 or 4 phases (different parallel numbers of the power devices are adopted according to different power of the matched motor of the controller).
The inversion power board and the direct current support capacitor are arranged and designed in the same board integrated mode.
The PCB copper foil of the inverter power board is designed to be 6OZ copper thick, and the maximum electrified alternating current effective value is 500A.
The PCB of the inversion power board uses a polymer material or a ceramic matrix with the heat conductivity of more than 10W/(m.k) (20 ℃).
The radiator adopts a liquid cooling mode, and aluminum alloy 6063-T5 is used as a material.
The isolation plate is made of a heat-insulating and magnetism-insulating composite material, and the heat-insulating and magnetism-insulating functions of the integrated driving system when the external motor unit is integrated are achieved.
Compared with the prior art, the utility model has the advantages that:
1) The inverter power board power line adopts a high-current spring contact finger quick plug connector, which is convenient for production, installation, transportation and maintenance, has high protection grade and low cost.
2) The alternating current of the power devices of the inversion power board is connected in parallel by 3 or 4 phases, so that the heat dissipation is good, the system efficiency is high, and the power matching is flexible.
3) The inversion power board and the direct current support capacitor are integrated with the board for layout and design, and the parasitic inductance is small and the reliability is high.
4) The variable power board PCB board uses high polymer material or ceramic base with heat conductivity higher than 10W/(m.k) (20 ℃) and the radiator adopts liquid cooling mode, so that the system dissipates heat well.
5) The isolation plate is made of heat-insulating and magnetic-insulating composite materials, and the system reliability is high.
Drawings
FIGS. 1 and 2 are schematic views of the structure of the present utility model;
fig. 3 and 4 are schematic diagrams of an inverter power board;
in the figure: 1-radiator 2-coolant outlet 3-inverter power board side UVW power terminal 4-negative electrode insulating sheath 5-negative electrode insulating sheath 6-isolation board 7-control board 8-signal terminal 9-end cover 10-power device 11-inverter power board 12-capacitor
Detailed Description
The technical content of the present utility model will be described in further detail with reference to the accompanying drawings.
Fig. 1, fig. 2, fig. 3 and fig. 4 are schematic diagrams of a 48V liquid-cooled BSG controller according to the present utility model, which includes a control board 7, an inverter power board 11, a radiator 1, a partition board 6, an end cover 9, an insulating sheath 4 and an insulating sheath 5.
Referring to fig. 1 and 2, a power line of an inverter power board 11 adopts a quick plug connector, and a positive terminal, a negative terminal and a UVW power terminal 3 of a dc inverter power board side all adopt a quick plug connector adopting a high-current spring contact finger. The production, installation, transportation and maintenance are convenient, the protection grade is high, and the cost is low. The radiator 1 adopts a liquid cooling mode, and aluminum alloy 6063-T5 is used as a material. The inverter power board 11 is fixed to the heat sink 1 by screws. The isolation plate 6 is made of a heat-insulating and magnetism-isolating composite material, so that an integrated driving system is realized, and when the controller is connected with the integrated motor unit, the heat-insulating and magnetism-isolating functions are realized.
Referring to fig. 3 and 4, the copper foil of the PCB for manufacturing the inverter power board 11 has a copper thickness of 6OZ and a maximum ac current effective value of 500A. The board of the PCB of the inverter power board 11 uses a polymer material or a ceramic base having a thermal conductivity of more than 10W/(m.k) (20 ℃). The reliable and efficient heat dissipation of the inverter power board 11 of the controller during high-current operation is realized.
Referring to fig. 3, the inverter power board 11 and the dc supporting capacitor 12 are arranged and designed in a same board integrated manner. The plurality of parallel direct current support capacitors 12 are directly welded on the inversion power board 11, parasitic inductance between the direct current bus and the inversion power device is small, and the system reliability is high.
Referring to fig. 4, each phase of power devices 10 on the inverter power board 11 are connected in parallel by 3 or 4 (different power devices 10 are adopted in parallel according to the difference of the power of the matched motor of the controller). The power device 10 has the advantages of good current sharing, good heat dissipation, high system efficiency and flexible power matching of the controller to the motor.
Claims (8)
1. The utility model provides a 48V liquid cooling BSG controller, includes control panel, contravariant power board, radiator, division board, end cover, insulating sheath, its characterized in that: the power line of the inversion power board is connected in a fast plug manner, and the direct-current supporting capacitor of the power device is designed integrally.
2. The 48V liquid cooled BSG controller of claim 1, wherein said inverter power board has a power line with a quick connect-disconnect connector, and wherein said dc positive terminal, said ac negative terminal and said ac UVW three-phase power terminal each have a quick connect-disconnect connector with a high current spring contact finger.
3. The 48V liquid cooled BSG controller of claim 1, wherein the power devices of said inverter power board are each connected in parallel by 3 or 4 power devices.
4. The 48V liquid cooled BSG controller of claim 1, wherein said inverter power board and dc support capacitor are configured and designed in a single integrated board arrangement.
5. The 48V liquid cooled BSG controller of claim 1, wherein the PCB copper foil of said inverter power board is designed to be 6OZ copper thick with a maximum ac current effective value of 500A.
6. The 48V liquid cooled BSG controller of claim 1, wherein the PCB of the inverter power board is made of a polymer material or ceramic matrix having a thermal conductivity greater than 10W/(m.k) (20 ℃).
7. The 48V liquid-cooled BSG controller of claim 1, wherein said heat sink is liquid-cooled and is made of aluminum alloy 6063-T5.
8. The 48V liquid-cooled BSG controller of claim 1, wherein said spacer is made of a heat-insulating and magnetic-shielding composite material, and is adapted to perform heat-insulating and magnetic-shielding functions when the integrated drive system is externally connected to the motor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176737.8U CN218997140U (en) | 2022-11-29 | 2022-11-29 | 48V liquid cooling BSG controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223176737.8U CN218997140U (en) | 2022-11-29 | 2022-11-29 | 48V liquid cooling BSG controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218997140U true CN218997140U (en) | 2023-05-09 |
Family
ID=86219710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223176737.8U Active CN218997140U (en) | 2022-11-29 | 2022-11-29 | 48V liquid cooling BSG controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218997140U (en) |
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2022
- 2022-11-29 CN CN202223176737.8U patent/CN218997140U/en active Active
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