CN212752166U - High-power brushless motor driver structure - Google Patents

High-power brushless motor driver structure Download PDF

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Publication number
CN212752166U
CN212752166U CN202021482217.8U CN202021482217U CN212752166U CN 212752166 U CN212752166 U CN 212752166U CN 202021482217 U CN202021482217 U CN 202021482217U CN 212752166 U CN212752166 U CN 212752166U
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CN
China
Prior art keywords
brushless motor
motor driver
circuit board
power brushless
driver structure
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Active
Application number
CN202021482217.8U
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Chinese (zh)
Inventor
刘欣
石莹
石豪天
李加取
吴武镇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Zhenhua Microelectronics Co Ltd
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Shenzhen Zhenhua Microelectronics Co Ltd
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Publication of CN212752166U publication Critical patent/CN212752166U/en
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Abstract

The utility model provides a high-power brushless motor driver structure, which comprises a shell, a substrate, a circuit board and insulating heat-conducting glue; a containing cavity is formed in the shell, the shell further comprises a positioning column, the positioning column is contained in the containing cavity and fixedly connected with the shell, the substrate is contained in the containing cavity and fixedly connected with the shell, the circuit board shields the substrate, the positioning column penetrates through the substrate and the circuit board, the insulating heat-conducting glue fills the containing cavity, and the insulating heat-conducting glue covers the circuit board; the utility model provides a high-power brushless motor driver structure need not to install the fin, makes the high-power brushless motor driver who adopts this high-power brushless motor driver structure can use in narrow and small space.

Description

High-power brushless motor driver structure
Technical Field
The utility model relates to a brushless motor driver field especially relates to a high-power brushless motor driver structure.
Background
The high-power brushless motor driver can keep long-time normal work only by needing good heat dissipation performance, the existing high-power brushless motor driver is provided with the heat dissipation fins on the shell, the surface area of the shell is increased through the heat dissipation fins, so that the high-power brushless motor driver has good heat dissipation performance, but the volume of the high-power brushless motor driver is increased by arranging the heat dissipation fins on the shell, and the high-power brushless motor driver cannot be used in a narrow space.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a need not to install high-power brushless motor driver structure of fin.
The utility model discloses a following technical scheme realizes:
the utility model provides a high-power brushless motor driver structure, which comprises a shell, a substrate, a circuit board and insulating heat-conducting glue; the shell is internally provided with a containing cavity, the shell further comprises a positioning column, the positioning column is contained in the containing cavity and fixedly connected with the shell, the substrate is contained in the containing cavity and fixedly connected with the shell, the circuit board shields the substrate, the positioning column penetrates through the substrate and the circuit board, the insulating heat-conducting glue is filled in the containing cavity, and the insulating heat-conducting glue covers the circuit board.
Furthermore, a first mounting hole is formed in the positioning column and penetrates through the positioning column.
Furthermore, the housing further comprises a first mounting platform, the first mounting platform is accommodated in the accommodating cavity and is fixedly connected with the housing, and the circuit board is fixedly connected with the first mounting platform.
Furthermore, the high-power brushless motor driver structure further comprises a first connecting piece, wherein the first connecting piece penetrates through the circuit board and partially extends into the first mounting table.
Furthermore, the high-power brushless motor driver structure further comprises an insulating part, a positioning groove communicated with the accommodating cavity is further formed in the shell, and the insulating part is partially accommodated in the positioning groove and abutted to the shell.
Further, the insulating part includes the bottom plate and with constant head tank assorted baffle, the baffle protrusion the bottom plate, the baffle is acceptd in the constant head tank and with the shell butt.
Furthermore, the high-power brushless motor driver structure further comprises a guide pin, the guide pin penetrates through the insulating part, one end of the guide pin is fixedly connected with the circuit board, and the other end of the guide pin is located outside the shell.
Furthermore, the high-power brushless motor driver structure further comprises a cover plate, the cover plate is accommodated in the accommodating cavity and fixedly connected with the shell, a second mounting hole is formed in the cover plate, and the positioning column is partially accommodated in the second mounting hole.
Furthermore, the housing further comprises a second mounting platform, the second mounting platform is accommodated in the accommodating cavity and fixedly connected with the housing, and the cover plate is abutted against the second mounting platform.
Furthermore, the high-power brushless motor driver structure further comprises a second connecting piece, and the second connecting piece penetrates through the cover plate and partially extends into the second mounting table.
The utility model has the advantages that:
1. the utility model provides a high-power brushless motor driver structure is through the heat conduction of insulating heat-conducting glue, and the heat that the circuit board during operation produced conducts to the base plate through insulating heat-conducting glue, and the shell is sent with the heat conduction to the rethread base plate, and the heat is scattered from the shell to realize high-efficient heat dissipation.
2. The utility model provides a high-power brushless motor driver structure need not to install the fin, makes the high-power brushless motor driver who adopts this high-power brushless motor driver structure can use in narrow and small space.
Drawings
Fig. 1 is an exploded view of the structure of the high-power brushless motor driver of the present invention;
fig. 2 is a perspective view of the housing of the high-power brushless motor driver structure of the present invention;
fig. 3 is a perspective view of an insulating part of the high-power brushless motor driver structure of the present invention;
fig. 4 is a perspective view of the high-power brushless motor driver structure of the present invention.
Detailed Description
For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.
Referring to fig. 1 to 4, the present invention provides a high power brushless motor driver structure, which includes a housing 10, a substrate 20, a circuit board 30 and an insulating heat-conducting adhesive (not shown in the drawings); a containing cavity 11 is formed in the shell 10, the shell 10 further comprises a positioning column 12, the positioning column 12 is contained in the containing cavity 11 and fixedly connected with the shell 10, the substrate 20 is contained in the containing cavity 11 and fixedly connected with the shell 10, the circuit board 30 shields the substrate 20, the positioning column 12 penetrates through the substrate 20 and the circuit board 30, the insulating heat-conducting glue fills the containing cavity 11, and the insulating heat-conducting glue covers the circuit board 30.
In the present embodiment, the housing 10 is made of a silicon-aluminum alloy material; the substrate 20 is made of a ceramic material, the substrate 20 is accommodated at the bottom of the accommodating cavity 11 and fixedly connected with the housing 10, the substrate 20 is attached to the housing 10, and the substrate 20 is fixedly connected with the housing 10 by welding; the accommodating cavity 11 is filled with the insulating heat-conducting glue, the insulating heat-conducting glue eliminates a gap between the circuit board 30 and the substrate 20, heat generated during the operation of the circuit board 30 is conducted to the substrate 20 through the insulating heat-conducting glue, then the heat is conducted to the shell 10 through the substrate 20, and the heat is dissipated from the shell 10, so that efficient heat dissipation is realized; the high-power brushless motor driver structure does not need to be provided with radiating fins, so that the high-power brushless motor driver adopting the high-power brushless motor driver structure can be used in a narrow space.
Furthermore, a first mounting hole 13 is formed in the positioning column 12, and the first mounting hole 13 penetrates through the positioning column 12.
In the present embodiment, the first mounting hole 13 penetrates the positioning column 12, the first mounting hole 13 penetrates the housing 10, and the first mounting hole 13 is used for mounting to the outside.
Further, the housing 10 further includes a first mounting platform 14, the first mounting platform 14 is accommodated in the accommodating cavity 11 and is fixedly connected with the housing 10, and the circuit board 30 is fixedly connected with the first mounting platform 14; the high power brushless motor driver structure further comprises a first connector 40, wherein the first connector 40 penetrates through the circuit board 30 and partially extends into the first mounting table 14.
In the present embodiment, the first connector 40 penetrates the circuit board 30 and partially extends into the first mounting stage 14, the first connector 40 abuts against the circuit board 30, and the first connector 40 is fixedly connected with the first mounting stage 14, so that the circuit board 30 is fixedly connected with the first mounting stage 14.
Further, the high-power brushless motor driver structure further comprises an insulating part 50, the housing 10 is further provided with a positioning groove 15 communicated with the accommodating cavity 11, and the insulating part 50 is partially accommodated in the positioning groove 15 and abutted to the housing 10; the insulating part 50 includes a bottom plate 51 and a baffle 52 matched with the positioning slot 15, the baffle 52 protrudes out of the bottom plate 51, and the baffle 52 is accommodated in the positioning slot 15 and abuts against the housing 10.
In the present embodiment, the baffle 52 is accommodated in the positioning groove 15, the bottom plate 51 is accommodated in the accommodating chamber 11, the area of the bottom plate 51 is larger than that of the baffle 52, and the bottom plate 51 shields the positioning groove 15 to prevent the insulating thermal conductive paste from flowing out of the housing 10 from the positioning groove 15.
Further, the high-power brushless motor driver structure further includes a guide pin 60, the guide pin 60 penetrates through the insulating portion 50, one end of the guide pin 60 is fixedly connected with the circuit board 30, and the other end of the guide pin 60 is located outside the housing 10.
In the present embodiment, the lead pins 60 are electrically connected to the circuit board 30, and the lead pins 60 are used for electrically connecting to an external electronic device, so that the circuit board 30 is electrically connected to the external electronic device.
Further, the high-power brushless motor driver structure further includes a cover plate 70, the cover plate 70 is accommodated in the accommodating cavity 11 and is fixedly connected with the housing 10, a second mounting hole 71 is formed in the cover plate 70, and the positioning column 12 is partially accommodated in the second mounting hole 71.
In the present embodiment, the positioning column 12 is partially received in the second mounting hole 71, and the positioning column 12 is flush with the cover plate 70.
Further, the housing 10 further includes a second mounting platform 16, the second mounting platform 16 is accommodated in the accommodating cavity 11 and is fixedly connected to the housing 10, and the cover plate 70 abuts against the second mounting platform 16; the high power brushless motor driver structure further comprises a second connector 80, wherein the second connector 80 penetrates through the cover plate 70 and partially extends into the second mounting platform 16.
In the present embodiment, the second connector 80 penetrates the cover plate 70 and partially extends into the second mounting stage 16, the second connector 80 abuts against the cover plate 70, and the second connector 80 is fixedly connected to the second mounting stage 16 to fixedly connect the cover plate 70 to the second mounting stage 16.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.

Claims (10)

1. A high-power brushless motor driver structure is characterized by comprising a shell, a substrate, a circuit board and insulating heat-conducting glue; the shell is internally provided with a containing cavity, the shell further comprises a positioning column, the positioning column is contained in the containing cavity and fixedly connected with the shell, the substrate is contained in the containing cavity and fixedly connected with the shell, the circuit board shields the substrate, the positioning column penetrates through the substrate and the circuit board, the insulating heat-conducting glue is filled in the containing cavity, and the insulating heat-conducting glue covers the circuit board.
2. The high power brushless motor driver structure according to claim 1, wherein the positioning pillar is provided with a first mounting hole, and the first mounting hole penetrates through the positioning pillar.
3. The high power brushless motor driver structure of claim 1, wherein the housing further comprises a first mounting platform, the first mounting platform is received in the receiving cavity and is fixedly connected to the housing, and the circuit board is fixedly connected to the first mounting platform.
4. The high power brushless motor driver structure of claim 3, further comprising a first connector extending through the circuit board and partially into the first mounting stage.
5. The high power brushless motor driver structure according to claim 1, further comprising an insulating portion, wherein the housing further has a positioning groove communicating with the receiving cavity, and the insulating portion is partially received in the positioning groove and abuts against the housing.
6. The high power brushless motor driver structure of claim 5, wherein the insulating portion includes a bottom plate and a baffle plate that matches the positioning slot, the baffle plate protruding from the bottom plate, the baffle plate being received in the positioning slot and abutting against the housing.
7. The high power brushless motor driver structure according to claim 5, further comprising a pin penetrating through the insulation portion, wherein one end of the pin is fixedly connected to the circuit board, and the other end of the pin is located outside the housing.
8. The structure of claim 1, further comprising a cover plate received in the receiving cavity and fixedly connected to the housing, wherein the cover plate has a second mounting hole, and the positioning post is partially received in the second mounting hole.
9. The high power brushless motor driver structure of claim 8, wherein the housing further comprises a second mounting platform, the second mounting platform is received in the receiving cavity and is fixedly connected to the housing, and the cover plate abuts against the second mounting platform.
10. The high power brushless motor driver structure of claim 9, further comprising a second connector extending through the cover plate and partially into the second mounting station.
CN202021482217.8U 2020-07-02 2020-07-23 High-power brushless motor driver structure Active CN212752166U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2020212966589 2020-07-02
CN202021296658 2020-07-02

Publications (1)

Publication Number Publication Date
CN212752166U true CN212752166U (en) 2021-03-19

Family

ID=75022963

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021482217.8U Active CN212752166U (en) 2020-07-02 2020-07-23 High-power brushless motor driver structure

Country Status (1)

Country Link
CN (1) CN212752166U (en)

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