CN211860902U - Heat radiation structure of motor driver - Google Patents
Heat radiation structure of motor driver Download PDFInfo
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- CN211860902U CN211860902U CN202020519493.0U CN202020519493U CN211860902U CN 211860902 U CN211860902 U CN 211860902U CN 202020519493 U CN202020519493 U CN 202020519493U CN 211860902 U CN211860902 U CN 211860902U
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- shell
- heat dissipation
- piece
- circuit board
- mos
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The heat dissipation structure of the motor driver comprises a shell with a hollow structure, a circuit board and a fixing piece, wherein heat dissipation grooves and heat dissipation fins are arranged on the outer wall of the shell; one side of an insulator of the MOS tube is close to the side wall of the shell, the other side of the insulator is fixed through the lower end of the fixing piece, and an insulated heat conducting piece is arranged between the MOS tube and the side wall of the shell. Motor driver heat radiation structure, simple structure, circuit board simple to operate is swift, MOS pipe is fixed effectual, the casing sealing performance is superior.
Description
Technical Field
The utility model relates to a mechanical automation technical field, concretely relates to motor driver's heat radiation structure.
Background
The radiator of the heat radiation structure of the existing motor driver is not reasonable enough in design, and most of the fixing modes of the MOS tube on the circuit board adopt the mode of aluminum strips matched with fastening screws to fix the MOS tube on the side wall of the radiator shell, so that the fixing mode has the defects of inconvenient installation, high production cost and large occupied space; in addition, the overall sealing performance of the radiator is affected by adopting a screw fastening mode.
Disclosure of Invention
The utility model discloses aim at solving prior art's defect, provide a motor driver's heat radiation structure.
The technical scheme of the utility model as follows:
the heat dissipation structure of the motor driver comprises a shell with a hollow structure, a circuit board and a fixing piece, wherein heat dissipation grooves and heat dissipation fins are arranged on the outer wall of the shell; one side of an insulator of the MOS tube is close to the side wall of the shell, the other side of the insulator is fixed through the lower end of the fixing piece, and an insulated heat conducting piece is arranged between the MOS tube and the side wall of the shell.
The top of the shell is provided with a limiting piece, and the limiting piece is arranged at a position which enables the fixing piece to be positioned between the limiting piece and the MOS tube after being installed; the bottom of spacing piece sets up the spacing groove, and spacing inslot installation location strip, location strip one side stretch into the spacing inslot, and the middle part of opposite side extrusion stationary blade makes the insulator of stationary blade extrusion MOS pipe.
The limiting sheet is obliquely arranged towards the fixing sheet.
The beneficial effects of the utility model reside in that:
1. the heat radiation structure of the motor driver, provided with the slot capable of installing the fixing sheet at the top of the shell, applies pressure to the side wall of the MOS tube through the fixing sheet, thereby positioning the MOS tube, and has simple structure, convenient and quick installation, and greatly improved assembly efficiency of the circuit board and the heat radiation structure; in addition, utilize the stationary blade to fix a position MOS pipe, the casing need not the trompil, has avoided adopting the screw to fasten the problem that destroys casing sealing performance
2. Set up spacing piece at the casing top, install the location strip with the stationary blade to the lateral wall extrusion in the bottom of spacing piece, further strengthen the positioning action to the MOS pipe, adopt simple structure to reach good fixed effect.
Drawings
Fig. 1 is a schematic view of the installation relationship between the heat dissipation structure and the circuit board of the present invention;
fig. 2 is a schematic structural view of the heat dissipation structure of the present invention;
the numbers and corresponding structure names in the figure are as follows:
the structure comprises a shell 1, a circuit board 2, a fixing sheet 3, a heat dissipation groove 4, a heat dissipation fin 5, a clamping groove 6, a MOS tube 7, a slot 8, a limiting sheet 9, a limiting groove 10, an insulator 11 and a positioning strip 12.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The heat dissipation structure of the motor driver shown in fig. 1-2 comprises a casing 1 with a hollow structure, a circuit board 2 and a fixing plate 3, wherein the outer wall of the casing 1 is provided with heat dissipation grooves 4 and heat dissipation fins 5, two symmetrical side walls of the bottom of the casing 1 are provided with clamping grooves 6 for mounting the circuit board 2, one side of the circuit board 2 is provided with a plurality of MOS tubes 7 side by side, a slot 8 is arranged on the inner wall of the top of the casing 1 corresponding to the upper part of the MOS tubes 7, and the upper end of the fixing plate 3 is mounted in the slot 8; one side of an insulator 11 of the MOS tube 7 is close to the side wall of the shell, the other side of the insulator is fixed through the lower end of the fixing piece 3, and an insulated heat conducting piece is arranged between the MOS tube and the side wall of the shell; because the clamping grooves are formed in the symmetrical side walls of the lower portion of the shell, the two sides of the circuit board are inserted into the clamping grooves for installation, and the circuit board is convenient and fast to install.
The top of the shell 1 is provided with a limiting piece 9, and the limiting piece is arranged at a position which enables the fixing piece 3 to be positioned between the limiting piece and the MOS tube 7 after being installed; the bottom of spacing piece sets up spacing groove 10, and spacing inslot 10 is interior to install location strip 12, and location strip one side stretches into the spacing inslot, and the middle part that opposite side extruded stationary blade 3 makes the insulator 11 of stationary blade extrusion MOS pipe, and the width of location strip 12 is greater than the degree of depth of spacing groove in order to ensure to play extruded effect to the stationary blade.
The limiting sheet 9 is obliquely arranged towards the direction of the fixing sheet.
Heat radiation structure when installation circuit board 3, in inserting draw-in groove 6 with the both sides of circuit board 3, the lateral wall of tight casing is pasted to one side of MOS pipe, treats the circuit board installation back that targets in place, inserts slot 8 with the upper end of stationary blade 3 in, then inserts spacing groove 10 with location strip 12 in, and location strip 12 extrudes the bottom extrusion MOS pipe that 3 made the stationary blade to make the MOS pipe lean on tight casing lateral wall, fix a position the MOS pipe.
The heat radiation structure of the motor driver, provided with the slot 8 capable of installing the fixing sheet at the top of the shell, applies pressure to the side wall of the MOS tube through the fixing sheet, thereby positioning the MOS tube, and has simple structure, convenient and fast installation, and greatly improved assembly efficiency of the circuit board and the heat radiation structure; in addition, utilize the stationary blade to fix a position the MOS pipe, the casing need not the trompil, has avoided adopting the screw to fasten the problem that destroys casing sealing performance.
Set up spacing piece at the casing top, install the fixed blade 3 to the lateral wall extrusion at the bottom of spacing piece location strip 12, further strengthen the positioning action to the MOS pipe, adopt simple structure to reach good fixed effect.
Claims (3)
1. Motor drive's heat radiation structure, its characterized in that: the LED lamp comprises a shell (1) with a hollow structure, a circuit board (2) and a fixing piece (3), wherein heat dissipation grooves (4) and heat dissipation fins (5) are formed in the outer wall of the shell (1), clamping grooves (6) for mounting the circuit board (2) are formed in two symmetrical side walls of the bottom of the shell (1), a plurality of MOS (metal oxide semiconductor) tubes (7) are arranged on one side of the circuit board (2) side by side, a slot (8) is formed in the inner wall of the top of the shell (1) and corresponds to the position above the MOS tubes (7), and the upper end of the fixing piece (3) is mounted in the slot (8); one side of an insulator (11) of the MOS tube (7) is close to the side wall of the shell, and the other side of the insulator is fixed through the lower end of the fixing piece (3).
2. The heat dissipation structure of a motor driver as set forth in claim 1, wherein: the top of the shell (1) is provided with a limiting piece (9), and the limiting piece is arranged at a position which enables the fixing piece (3) to be positioned between the limiting piece and the MOS tube (7) after being installed; the bottom of spacing piece sets up spacing groove (10), and installation location strip (12) in spacing groove (10), location strip one side stretch into the spacing inslot, and the middle part of opposite side extrusion stationary blade (3) makes stationary blade extrusion MOS pipe's insulator (11).
3. The heat dissipation structure of a motor driver as set forth in claim 2, wherein: the limiting sheet (9) is obliquely arranged towards the direction of the fixing sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519493.0U CN211860902U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of motor driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519493.0U CN211860902U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of motor driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211860902U true CN211860902U (en) | 2020-11-03 |
Family
ID=73144097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020519493.0U Active CN211860902U (en) | 2020-04-10 | 2020-04-10 | Heat radiation structure of motor driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211860902U (en) |
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2020
- 2020-04-10 CN CN202020519493.0U patent/CN211860902U/en active Active
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