CN216056714U - Brushless motor's controller subassembly - Google Patents
Brushless motor's controller subassembly Download PDFInfo
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- CN216056714U CN216056714U CN202122666828.9U CN202122666828U CN216056714U CN 216056714 U CN216056714 U CN 216056714U CN 202122666828 U CN202122666828 U CN 202122666828U CN 216056714 U CN216056714 U CN 216056714U
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- conductive support
- mounting hole
- terminal
- terminal protection
- electrically conductive
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Abstract
The utility model discloses a controller component of a brushless motor, which comprises a shell, wherein a conductive support and a PCBA board are arranged in the shell, the controller component also comprises three conductive connecting rods, three through holes are formed in a heat radiating seat, the conductive support comprises three mounting hole parts, a semi-closed terminal protection part is arranged on the periphery of each mounting hole part, the terminal protection parts are connected with the mounting hole parts through connecting rods, each conductive connecting rod comprises a first rod section, a second rod section and a third rod section which are mutually bent and connected, the first rod section is inserted into the corresponding mounting hole part and penetrates out of the through holes, the second rod section is embedded into the corresponding positioning caulking groove, the third rod section is a connecting terminal which is positioned in the corresponding terminal protection part, and the connecting terminal is inserted into the connecting hole in the PCBA board and welded. This controller subassembly can be when the soldering tin that better protection dropped, avoid PCBA board short circuit.
Description
Technical Field
The utility model relates to a controller assembly, in particular to a controller assembly of an outer rotor brushless motor for driving an automobile cooling fan.
Background
Current controller subassembly includes the shell of compriseing radiating seat and rear end cap, be provided with electrically conductive support and PCBA board in the shell, the front of radiating seat is provided with the center pin, be provided with inductance mounting area, electrically conductive support mounting area, pencil joint area on the radiating seat, electrically conductive support is placed in electrically conductive support mounting area, and the inductance on the PCBA board sets up in the inductance mounting area, installs electrically conductive connecting rod on the electrically conductive support, and electrically conductive connecting rod one end is run through the radiating seat and is connected with armature assembly's electricity, and the downthehole welded fastening that inserts the PCBA board is utilized to the other end. However, when the current controller component is used for welding the conductive connecting rod and the PCBA board, soldering tin may fall along the conductive connecting rod, and the falling tin is not protected or collected, so that each pin on the PCBA board may be mistakenly contacted with the falling soldering tin, and the PCBA board is short-circuited.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the controller component can better protect the dropped soldering tin during welding and avoid short circuit of a PCBA board.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a controller component of a brushless motor comprises a shell consisting of a heat dissipation seat and a rear end cover, wherein a conductive support and a PCBA board are arranged in the shell, a central shaft is arranged on the front surface of the heat dissipation seat, an inductance mounting area, a conductive support mounting area and a wiring harness joint area are arranged on the heat dissipation seat, the conductive support is placed in the conductive support mounting area, an inductance on the PCBA board is arranged in the inductance mounting area, the controller component further comprises three conductive connecting rods, three through holes are formed in the heat dissipation seat and located in the conductive support mounting area, the conductive support comprises three mounting hole portions, a semi-closed terminal protection portion is arranged on the periphery of each mounting hole portion, the terminal protection portion is connected with the mounting hole portions through connecting rods, and positioning embedded grooves with two ends extending towards the terminal protection portion and the mounting hole portions respectively are arranged on the back of each connecting rod, the conductive connecting rod comprises a first rod section, a second rod section and a third rod section which are connected in a mutually bent mode, the first rod section is inserted into the corresponding mounting hole portion and penetrates out of the through hole, the second rod section is embedded into the corresponding positioning embedded groove, the third rod section is located in the corresponding terminal protection portion for the connecting terminal, and the connecting terminal is inserted into the connecting hole in the PCBA board and welded.
As a preferred scheme, the terminal guard portion includes end guard plate portion and side guard plate portion, the back of end guard plate portion links up with the back of connecting rod, set up the breach of dodging that corresponds with the connecting rod position on the side guard plate.
As a preferable scheme, a positioning ring part is arranged in the middle of the three mounting hole parts, the positioning ring part is respectively connected with the three mounting hole parts through connecting ribs, and a positioning protrusion inserted into the positioning ring part is arranged on the corresponding mounting area of the conductive bracket.
Preferably, a reinforcing rib is further connected between the connecting rods or between the terminal protection parts.
As a preferred scheme, the conductive bracket mounting area is a sinking groove area, the conductive bracket is mounted in the sinking groove area, and the conductive bracket mounting area is provided with a positioning sinking groove area which is in one-to-one corresponding adaptation with the shape of the terminal protection part.
After the technical scheme is adopted, the utility model has the effects that: because the conductive bracket comprises three mounting hole parts, the periphery of the mounting hole part is provided with a semi-closed terminal protection part, the terminal protection part is connected with the mounting hole part through a connecting rod, the back part of the connecting rod is provided with a positioning caulking groove with two ends respectively extending to the terminal protection part and the mounting hole part, the conductive connecting rod comprises a first rod section, a second rod section and a third rod section which are mutually connected in a bending way, the first rod section is inserted into the corresponding mounting hole part and penetrates out of the through hole, the second rod section is embedded into the corresponding positioning caulking groove, the third rod section is a connecting terminal positioned in the corresponding terminal protection part, and the connecting terminal is inserted into the connecting hole on the PCBA board and welded, therefore, when the connecting terminal is inserted into the hole of the PCBA board for welding, the terminal protection part can effectively protect the connecting terminal, and solder tin which drops in time can be prevented from contacting with pins of the PCBA board due to the protection of the semi-closed terminal protection part, the phenomenon of short circuit is avoided.
Because the terminal protection part includes end guard plate portion and side guard plate portion, the back of end guard plate portion links up with the back of connecting rod, set up the breach of dodging that corresponds with the connecting rod position on the side guard plate, this terminal protection part utilizes end guard plate to protect the bottom, avoids soldering tin to fall into on the radiating seat, and side guard plate portion is used for protecting the side, and the protecting effect is better.
And because the positioning ring part is arranged in the middle of the three mounting hole parts and is respectively connected with the three mounting hole parts through connecting ribs, and the corresponding mounting area of the conductive bracket is provided with the positioning bulge inserted into the positioning ring part, the conductive bracket can be better mounted by utilizing the positioning ring part and the positioning bulge.
And because the conductive support mounting area is a sink groove area, the conductive support is mounted in the sink groove area, and the conductive support mounting area is provided with a positioning sink groove area which is in one-to-one corresponding adaptation with the shape of the terminal protection part, the position of the conductive support can be better determined by utilizing the positioning sink groove area, so that the conductive connecting rod can more accurately penetrate through the through hole of the heat dissipation seat.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of an embodiment of the present invention with the rear end cap hidden;
FIG. 2 is an exploded schematic view of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic structural diagram of a heat sink;
FIG. 5 is a schematic structural view of a conductive support;
in the drawings: 1. a heat dissipation base; 11. a conductive mount mounting area; 111. positioning a sink zone; 12. an inductor mounting area; 13. a wire harness joint area; 14. positioning the projection; 2. a rear end cap; 3. PCBA board; 4. a conductive support; 5. a conductive connecting rod; 51. a first pole segment, 52, a second pole segment; 53. a third pole segment; 41. an installation hole portion; 42. a terminal protection part; 421. a bottom guard plate portion; 422. a side shield plate portion; 43. positioning the caulking groove; 44. a connecting rod; 45. a positioning ring portion; 46. connecting ribs; 47. reinforcing ribs;
Detailed Description
The present invention is described in further detail below with reference to specific examples.
As shown in fig. 1 to 5, a controller assembly of a brushless motor comprises a housing composed of a heat sink 1 and a rear end cap 2, wherein a conductive bracket 4 and a PCBA board 3 are arranged in the housing, a central shaft is arranged on the front surface of the heat sink 1, an inductance mounting area 12, a conductive bracket 4 mounting area 11 and a wire harness joint area 13 are arranged on the heat sink 1, the conductive bracket 4 is placed in the conductive bracket 4 mounting area 11, an inductance on the PCBA board 3 is arranged in the inductance mounting area 12, the controller assembly further comprises three conductive connecting rods 5, three through holes are arranged in the conductive bracket 4 mounting area 11 on the heat sink 1, the conductive bracket 4 comprises three mounting hole portions 41, a semi-closed terminal protection portion 42 is arranged on the periphery of each mounting hole portion 41, and the terminal protection portion 42 is connected with the mounting hole portion 41 through a connecting rod 44, the back of this connecting rod 44 is provided with the location caulking groove 43 that both ends extend to terminal protection portion and mounting hole portion 41 respectively, and electrically conductive connecting rod 5 includes the first pole section 51, second pole section 52 and the third pole section 53 of mutual bending connection, first pole section 51 inserts corresponding mounting hole portion 41 and wears out from the through-hole, can be provided with waterproof sealing boot certainly in the through-hole, and first pole section 51 inserts and can play waterproofly in the waterproof sealing boot, in the location caulking groove 43 that second pole section 52 embedding corresponds, third pole section 53 is in corresponding terminal protection portion 42 for connecting terminal, and this connecting terminal inserts in the connecting hole on PCBA board 3 and welds.
In this embodiment, as shown in fig. 2 and 4, the terminal protection portion 42 includes a bottom protection plate portion 421 and a side protection plate portion 422, the back surface of the bottom protection plate portion 421 is connected to the back surface of the connecting rod 44, an avoiding notch corresponding to the connecting rod 44 is formed in the side protection plate, and the avoiding notch is used to facilitate the second rod end to extend into the bottom protection plate portion 421, so that the size of the avoiding notch can be relatively small.
In this embodiment, preferably, a positioning ring portion 45 is disposed in the middle of the three mounting hole portions 41, the positioning ring portion 45 is connected to the three mounting hole portions 41 through a connecting rib 46, and a corresponding positioning protrusion 14 inserted into the positioning ring portion 45 is disposed on the mounting region of the conductive bracket 4, where the positioning ring portion 45 is a circular ring portion, and the corresponding positioning protrusion 14 is a cylindrical protrusion. A reinforcing rib 47 is connected between the coupling bars 44 or between the terminal guards 42. Wherein the setting of strengthening rib 47 can be actual the demand be connected, utilize strengthening rib 47 can form the structure of fretwork with whole terminal protection part 42, mounting hole portion 41, and the intensity of whole conductive support 4 is stronger like this. The conductive support 4 installation region 11 is a sinking groove region, the conductive support 4 is installed in the sinking groove region, the conductive support 4 installation region 11 is provided with a positioning sinking groove region 111 matched with the terminal protection part 42 in a one-to-one correspondence manner, the positioning sinking groove region 111 is circular, the external contour of the corresponding terminal protection part 42 is also circular, so that the positioning ring part 45 can be directly sleeved on the positioning protrusion 14 when the conductive support 4 is placed, and then the angle is adjusted, so that the terminal protection part 42 can be placed in the corresponding positioning sinking groove region 111.
Due to the presence of the bottom shield plate portion 421 and the side shield plate portion 422 of the terminal shield portion 42, when the conductive link 5 is soldered, no short circuit is caused by leakage through the conductive link 5 to other places.
The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and alterations made to the technical solution of the present invention without departing from the spirit of the present invention are intended to fall within the scope of the present invention defined by the claims.
Claims (5)
1. The utility model provides a brushless motor's controller subassembly, includes the shell of compriseing heat dissipation seat and rear end cap, be provided with electrically conductive support and PCBA board in the shell, the front of heat dissipation seat is provided with the center pin, be provided with inductance installation area, electrically conductive support mounting area, pencil joint area on the heat dissipation seat, electrically conductive support is placed in electrically conductive support mounting area, and the inductance on the PCBA board sets up in the inductance installation area, its characterized in that: the controller subassembly still includes three electrically conductive connecting rods, it is provided with three through hole to lie in electrically conductive support mounting area on the radiating seat, electrically conductive support includes three mounting hole portion, and the periphery of this mounting hole portion is provided with semi-enclosed terminal protection portion, is connected through the connecting rod between this terminal protection portion and the mounting hole portion, and the back of this connecting rod is provided with the location caulking groove that both ends extend to terminal protection portion and mounting hole portion respectively, and electrically conductive connecting rod includes first pole section, second pole section and the third pole section of interconnect buckle connection, first pole section inserts the mounting hole portion that corresponds and wears out from the through hole, in the location caulking groove that second pole section embedding corresponds, third pole section is in the terminal protection portion that corresponds for connecting terminal, and this connecting terminal inserts in the connecting hole on the PCBA board and welds.
2. A controller assembly for a brushless motor as recited in claim 1, wherein: the terminal protection part comprises a bottom protection plate part and a side protection plate part, the back of the bottom protection plate part is connected with the back of the connecting rod, and an avoidance notch corresponding to the connecting rod is arranged on the side protection plate.
3. A controller assembly for a brushless motor as recited in claim 2, wherein: the middle of the three mounting hole parts is provided with a positioning ring part, the positioning ring part is respectively connected with the three mounting hole parts through connecting ribs, and the corresponding conductive support mounting area is provided with a positioning bulge inserted into the positioning ring part.
4. A controller assembly for a brushless motor as recited in claim 3, wherein: and reinforcing ribs are connected between the connecting rods or between the terminal protection parts.
5. A controller assembly for a brushless motor as recited in claim 4, wherein: the conductive support mounting region is a sink groove region, the conductive support is mounted in the sink groove region, and a positioning sink groove region which is matched with the terminal protection part in a shape one-to-one correspondence mode is arranged on the conductive support mounting region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122666828.9U CN216056714U (en) | 2021-11-02 | 2021-11-02 | Brushless motor's controller subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122666828.9U CN216056714U (en) | 2021-11-02 | 2021-11-02 | Brushless motor's controller subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216056714U true CN216056714U (en) | 2022-03-15 |
Family
ID=80551219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122666828.9U Active CN216056714U (en) | 2021-11-02 | 2021-11-02 | Brushless motor's controller subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216056714U (en) |
-
2021
- 2021-11-02 CN CN202122666828.9U patent/CN216056714U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 8, Xinfeng Hexi Road, Tangshi, Yangshe Town, Zhangjiagang City, Suzhou City, Jiangsu Province 215600 Patentee after: Jiangsu Langxin Electric Co.,Ltd. Address before: 215600 2 Fuxin Road, Yang Shi Town, Zhangjiagang, Suzhou, Jiangsu Patentee before: JIANGSU LANGXIN ELECTRIC Co.,Ltd. |
|
| CP03 | Change of name, title or address |