CN204615580U - A kind of external rotor electric machine - Google Patents
A kind of external rotor electric machine Download PDFInfo
- Publication number
- CN204615580U CN204615580U CN201520283892.0U CN201520283892U CN204615580U CN 204615580 U CN204615580 U CN 204615580U CN 201520283892 U CN201520283892 U CN 201520283892U CN 204615580 U CN204615580 U CN 204615580U
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- Prior art keywords
- circuit board
- fixed
- aluminum frame
- frame
- rotor
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Abstract
The utility model relates to a kind of external rotor electric machine, mainly comprises rotor assembly, aluminum frame, dust-proof frame and rotor hub, and described rotor assembly and aluminum frame are mounted with, and is fixed with magnetite in rotor assembly by bonding agent; Stator winding is fixed on the side of aluminum frame, and described dust-proof frame is fixed by screws in the opposite side of aluminum frame; Described rotor hub is fixed by double-sided laser welding manner and rotor assembly; Hall element paster is on secondary circuit board, and row pin one end scolding tin is fixed on secondary circuit board and forms Hall circuit board component, and directly the row of insertion mother is fixing for this Hall circuit board component, arranges female scolding tin and is fixed on main circuit board; Heating element set by described main circuit board and be provided with Heat Conduction Material body between dust-proof frame; The beneficial effects of the utility model are: solving scolding tin, to fix the efficiency of Hall circuit board component low, and the phenomenon that easily skews; Have the advantages that outward appearance is good, intensity is high, ensure reliability.
Description
Technical field
The utility model belongs to technical field of motors, particularly relates to a kind of external rotor electric machine.
Background technology
Existing external rotor electric machine, of a great variety, but be substantially all provided with Hall circuit board component in external rotor electric machine, but in installation process, unreasonable due to structural design, causes scolding tin to fix the efficiency of Hall circuit board component low, and the phenomenon that easily skews; Secondly the quality of the heat dispersion of external rotor electric machine is also evaluate the factor of its performance index quality.
Summary of the invention
The purpose of this utility model is the deficiency overcoming prior art existence, and provides the external rotor electric machine of a kind of good heat dissipation effect, stable performance.
The purpose of this utility model has been come by following technical solution.This external rotor electric machine, mainly comprises rotor assembly, aluminum frame, dust-proof frame and rotor hub, and described rotor assembly and aluminum frame are mounted with, and is fixed with magnetite in rotor assembly by bonding agent; Stator winding is fixed on the side of aluminum frame, and is positioned at the inner side of magnetite, and described dust-proof frame is fixed by screws in the opposite side of aluminum frame; Described rotor hub is fixed by double-sided laser welding manner and rotor assembly, after axial compression enters rotor hub, is formed support by the bearing at two ends and aluminum frame, and by jump ring fixed rotor position; Hall element paster is on secondary circuit board, row pin one end scolding tin is fixed on secondary circuit board and forms Hall circuit board component, directly the row of insertion mother is fixing for this Hall circuit board component, arranges female scolding tin and is fixed on main circuit board, the female assembly hole of the row of offering and arrange cushion hole respectively on this main circuit board; Heating element set by described main circuit board and be provided with Heat Conduction Material body between dust-proof frame.
As preferably, described main circuit board and the common built-up circuit board component of secondary circuit board, circuit board assemblies is fixed on the inner side of aluminum frame.
As preferably, the side of described main circuit board is fixed with insulation keeper, and this insulation keeper is inserted in the inner side of aluminum frame.
As preferably, the end face of described dust-proof frame is provided with the all-round radiating ribs all distributed in grade.
The beneficial effects of the utility model are: one, adopt inserted mode to be connected with main circuit board by Hall element, and adopt insulation keeper to be formed to protect, and solving scolding tin, to fix the efficiency of Hall circuit board component low, and the easy phenomenon that skews; Two, adopt the mode of double-sided laser welding to be fixed on rotor assembly by rotor hub, outward appearance is good, intensity is high; Three, adopt the heat of all-round radiating ribs diffusing electrons components and parts, ensure reliability.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is Hall installation constitution structural representation of the present utility model.
Fig. 3 is the structural representation of Hall circuit board component of the present utility model on main circuit board.
Fig. 4 is structural representation between main circuit board of the present utility model and insulation keeper.
Fig. 5 is main circuit board structural representation of the present utility model.
Fig. 6 is Hall circuit plate component structure schematic diagram of the present utility model.
Fig. 7 is row's parent structure schematic diagram of the present utility model.
Fig. 8 is the structural representation between aluminum frame of the present utility model and dust-proof frame.
Label in accompanying drawing is respectively: 1, rotor assembly; 2, magnetite; 3, aluminum frame; 4, insulate keeper; 5, dust-proof frame; 6, main circuit board; 7, stator winding; 8, row is female; 9, pin is arranged; 10, secondary circuit board; 11, Hall element; 12, heating element; 13, screw; 14, Heat Conduction Material body; 15, rotor hub; 16, axle; 17, bearing; 18, jump ring; 51, all-round radiating ribs; 61, female assembly hole is arranged; 62, cushion hole is arranged.
Embodiment
Below in conjunction with accompanying drawing, detailed introduction is done to the utility model: as shown in accompanying drawing 1 to 8, the utility model mainly comprises rotor assembly 1, aluminum frame 3, dust-proof frame 5 and rotor hub 15, described rotor assembly 1 is mounted with aluminum frame 3, is fixed with magnetite 2 in rotor assembly 1 by bonding agent; Stator winding 7 is fixed on the side of aluminum frame 3, and is positioned at the inner side of magnetite 2, and the opposite side that described dust-proof frame 5 is fixed on aluminum frame 3 by screw 13 ensures abundant heat conduction and avoids dust to enter on main circuit board 6; Described rotor hub 15 is fixed by double-sided laser welding manner and rotor assembly 1, after axle 16 is pressed into rotor hub 15, is formed support by bearing 17 and the aluminum frame 3 at two ends, and by jump ring 18 fixed rotor position; Hall element 11 paster is on secondary circuit board 10, row pin 9 one end scolding tin is fixed on secondary circuit board 10 and forms Hall circuit board component, this Hall circuit board component directly row of insertion female 8 is fixed, arranging female 8 scolding tin is fixed on main circuit board 6, induction magnetite N, S pole function can be realized and form protection Hall element 11, the female assembly hole of the row of offering 61 and arrange cushion hole 62 respectively on this main circuit board 6; The described heating element 12 set by main circuit board 6 and be provided with Heat Conduction Material body 14 between dust-proof frame 5, it is the all-round radiating ribs 51 waiting and all distribute that the end face of described dust-proof frame 5 is provided with, after heating element 12 on main circuit board 6 transfers heat to dust-proof frame 5 by Heat Conduction Material body 14, by all-round radiating ribs rapid diffusion heat.
Described main circuit board 6 built-up circuit board component common with secondary circuit board 10, circuit board assemblies is fixed on the inner side of aluminum frame 3.
The side of described main circuit board 6 is fixed with insulation keeper 4, and this insulation keeper 4 is inserted in the inner side of aluminum frame 3.
The utility model is not limited to above-mentioned execution mode; no matter do any change on its shape or material are formed; every employing structural design provided by the utility model, is all one distortion of the present utility model, all should thinks within the utility model protection range.
Claims (4)
1. an external rotor electric machine, mainly comprise rotor assembly (1), aluminum frame (3), dust-proof frame (5) and rotor hub (15), it is characterized in that: described rotor assembly (1) and aluminum frame (3) are mounted with, in rotor assembly (1), be fixed with magnetite (2) by bonding agent; Stator winding (7) is fixed on the side of aluminum frame (3), and being positioned at the inner side of magnetite (2), described dust-proof frame (5) is fixed on the opposite side of aluminum frame (3) by screw (13); Described rotor hub (15) is fixed by double-sided laser welding manner and rotor assembly (1), after axle (16) press-in rotor hub (15), is formed by the bearing (17) at two ends and aluminum frame (3) and support, and pass through jump ring (18) fixed rotor position; Hall element (11) paster is on secondary circuit board (10), row pin (9) one end scolding tin is fixed on secondary circuit board (10) upper formation Hall circuit board component, this Hall circuit board component directly row of insertion female (8) is fixed, female (8) scolding tin of row is fixed on main circuit board (6), the female assembly hole of the row of offering (61) and arrange cushion hole (62) respectively on this main circuit board (6); The described heating element (12) set by main circuit board (6) and be provided with Heat Conduction Material body (14) between dust-proof frame (5).
2. external rotor electric machine according to claim 1, is characterized in that: described main circuit board (6) built-up circuit board component common with secondary circuit board (10), circuit board assemblies is fixed on the inner side of aluminum frame (3).
3. external rotor electric machine according to claim 1, it is characterized in that: the side of described main circuit board (6) is fixed with insulation keeper (4), and this insulation keeper (4) is inserted in the inner side of aluminum frame (3).
4. external rotor electric machine according to claim 1, is characterized in that: it is the all-round radiating ribs (51) waiting and all distribute that the end face of described dust-proof frame (5) is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283892.0U CN204615580U (en) | 2015-05-05 | 2015-05-05 | A kind of external rotor electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520283892.0U CN204615580U (en) | 2015-05-05 | 2015-05-05 | A kind of external rotor electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204615580U true CN204615580U (en) | 2015-09-02 |
Family
ID=53968104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520283892.0U Active CN204615580U (en) | 2015-05-05 | 2015-05-05 | A kind of external rotor electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204615580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244029A (en) * | 2021-11-02 | 2022-03-25 | 佛山市顺德区金泰德胜电机有限公司 | Motor with sensor |
-
2015
- 2015-05-05 CN CN201520283892.0U patent/CN204615580U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114244029A (en) * | 2021-11-02 | 2022-03-25 | 佛山市顺德区金泰德胜电机有限公司 | Motor with sensor |
| CN114244029B (en) * | 2021-11-02 | 2024-05-03 | 佛山市顺德区金泰德胜电机有限公司 | Motor with sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |