CN206820585U - DC brushless motor - Google Patents
DC brushless motor Download PDFInfo
- Publication number
- CN206820585U CN206820585U CN201720703296.2U CN201720703296U CN206820585U CN 206820585 U CN206820585 U CN 206820585U CN 201720703296 U CN201720703296 U CN 201720703296U CN 206820585 U CN206820585 U CN 206820585U
- Authority
- CN
- China
- Prior art keywords
- control panel
- rear end
- motor
- end cap
- armature spindle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of DC brushless motor, including motor body and rear end cap, rear end cap is installed on motor body, rear end cap is provided with control panel backwards to the side of motor body, and control panel electrically connects with motor body, and rear end cap has the first through hole that the armature spindle of power supply machine main body passes through, control panel has the second through hole passed through for armature spindle, armature spindle, which has through the free end of first through hole and the second through hole, free end, is provided with flabellum, to control panel and motor body radiating.Technical solutions of the utility model by control panel be arranged on rear end cap on the outside of, it is not necessary in addition set parts come install control panel and to control panel radiate, reduce the volume of control panel and DC brushless motor, saved cost.In addition, setting flabellum in the free end of armature spindle, control panel and motor body are radiated, improve the radiating efficiency of DC brushless motor.
Description
Technical field
Machine field is the utility model is related to, more particularly to a kind of DC brushless motor.
Background technology
DC brushless motor has the characteristics that high efficiency, long-life, energy-conserving and environment-protective, is widely used in household electrical appliances, automobile, work
The fields such as industry production.In existing DC brushless motor, mounting bracket is set up outside rear end cap, one end of armature spindle passes rear end
Cover and in the space that rear end cap is formed with mounting bracket, magnet ring and hall sensor are also located at rear end cap and mounting bracket shape
Into space in.And the control panel of motor usually increases part to install control panel in addition then independently of being set outside motor.
Because the DC brushless motor needs to set mounting bracket to form space with rear end cap to accommodate magnet ring and Hall sense
Device is answered, while needs separately to set part to install control panel, and sets radiator to radiate control panel so that brush DC electricity
The cost of machine is high, volume is big.Blocked in addition, the rear end cap of the DC brushless motor can be formed to the rear end of motor, cause motor
Internal heat is difficult to discharge, and makes the radiating effect of motor poor.
Utility model content
Main purpose of the present utility model is to propose a kind of DC brushless motor, it is intended to reduces DC brushless motor and control
The volume of plate, saves the production cost of DC brushless motor, while improves the radiating effect of DC brushless motor and control panel.
To achieve the above object, the utility model proposes DC brushless motor, including motor body and rear end cap are described
Rear end cap is installed on the rear end of the motor body, and the rear end cap is provided with control panel, institute backwards to the side of the motor body
State control panel to electrically connect with the motor body, the rear end cap leads to the armature spindle for the motor body passes through first
Hole, the control panel have the second through hole passed through for the armature spindle, the armature spindle have through the first through hole and
The free end of second through hole, the free end are provided with flabellum, to the control panel and motor body radiating.
Preferably, the side wall of the rear end cap is provided with passes through and flow direction motor rear end end for air-flow caused by flabellum
Ventilation slot；Gap between the stator and rotor of the motor body is formed with multiple heat dissipation paths, each heat dissipation channel
Penetrate the front-end and back-end of the motor body.
Preferably, the rear end cap includes supplying the installation portion of control panel installation, the annular being connected with the motor body to consolidate
Determine the connection wall of portion and the connection installation portion and the annular fixed part, the connection wall part hollow out forms the ventilation
Groove.
Preferably, the control panel includes circuit board and control module, hall effect module on the circuit board
And motor drive module, the hall effect module and drive module electrically connect with the control module respectively, the motor turns
Magnet ring is provided with sub- axle, the position that the hall effect module corresponds to the magnet ring on the armature spindle on the control panel is set
Put.
Preferably, the drive module located at the control panel towards the side of the rear end cap, and with the rear end cap
Fitting.
Preferably, the drive module includes the bridge inverter main circuit being made up of six power tubes, the pipe of six power tubes
Shell is bonded setting with the rear end cap.
Preferably, the endoporus of the magnet ring is socketed on the armature spindle, and in second through hole, the Hall
Induction module is located at second through hole.
Preferably, the flabellum includes chassis and multiple blades, and the middle part on the chassis is provided with the 3rd fixing hole, described turn
The 3rd fixing hole is inserted in the free end of sub- axle, and is interference fitted with the 3rd fixing hole；Each blade is along the bottom
The radial direction of disk is extended by the 3rd fixing hole to the chassis edge.
Preferably, the outer wall of the free end is provided with multiple circumferentially distributed ribs along the armature spindle, each described
Rib is axially extending along the armature spindle.
Preferably, the 3rd fixing hole is provided with sleeve part, the sleeve part and the rotor on the chassis
The free end interference fit of axle.
Technical solutions of the utility model are installed without another external components and controlled by the way that control panel is arranged on the outside of rear end cap
Plate and radiator is set to radiate the control panel in addition, so as to reducing the body of DC brushless motor and control panel
Product, has saved the production cost of DC brushless motor.In addition, flabellum, DC brushless motor work are set in the free end of armature spindle
When making, air-flow blows to control panel, control panel is radiated, while air-flow enters motor internal by ventilation slot, and motor internal is dissipated
Heat, improve the radiating efficiency of DC brushless motor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model DC brushless motor one；
Fig. 2 is another visual angle figure of the DC brushless motor shown in Fig. 1；
Fig. 3 is the structural representation of rear end cap in the embodiment of the utility model DC brushless motor one；
Fig. 4 is the structural representation of control panel in the embodiment of the utility model DC brushless motor one；
Fig. 5 is the electrical block diagram of control panel in the embodiment of the utility model DC brushless motor one；
Fig. 6 is the structural representation of flabellum in the embodiment of the utility model DC brushless motor one；
Fig. 7 is the partial structural diagram of armature spindle in the embodiment of the utility model DC brushless motor one.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Motor body | 32 | First fixing hole |
| 11 | Armature spindle | 33 | Hall effect module |
| 20 | Rear end cap | 34 | Control module |
| 21 | First through hole | 35 | Drive module |
| 22 | Installation portion | 40 | Flabellum |
| 23 | Annular fixed part | 41 | Chassis |
| 24 | Connection wall | 42 | Blade |
| 25 | Second fixing hole | 43 | 3rd fixing hole |
| 26 | Ventilation slot | 44 | Sleeve part |
| 30 | Control panel | 111 | Rib |
| 31 | Second through hole |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belong to the scope of the utility model protection.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes therewith.
If, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for describing purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown.Thus, " first " is defined, the feature of " second " can express or implicitly include at least one
Individual this feature.In addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical scheme is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of DC brushless motor.
In an embodiment of the present utility model, as shown in Figures 1 to 6, the DC brushless motor includes the He of motor body 10
Rear end cap 20, the rear end cap 20 are installed on the motor body 10, and mounting means is unlimited, can be bolt or buckle etc.,
The rear end cap 20 is provided with control panel 30, the control panel 30 and the motor body 10 backwards to the side of the motor body 10
Electrical connection, the rear end cap 20 have the first through hole 21 that the armature spindle 11 for the motor body 10 passes through, the control panel
30 have the second through hole 31 passed through for the armature spindle 11, and the armature spindle 11 sequentially passes through the first through hole 21 and second
Through hole 31, the armature spindle 11 have through the free end of the through hole 31 of first through hole 21 and second, are set on the free end
There is flabellum 40, the blade shape of the flabellum 40 is unlimited, when the DC brushless motor works, drives the flabellum 40 to rotate shape
Into air-flow, air-flow blows to the control panel 30 and the motor body 10, and the control panel 30 and the motor body 10 are entered
Row radiating.
Technical solutions of the utility model are installed by the way that control panel 30 is arranged on into the outside of rear end cap 20 without another external components
Control panel 30 and set radiator to radiate the control panel 30 in addition, so as to reduce control panel 30 and direct current without
The volume of brush motor, the production cost of DC brushless motor is saved；In addition, flabellum is set in the free end of the armature spindle 11
40, when the DC brushless motor works, drive the flabellum 40 to rotate and form air-flow, air-flow blows to the control panel 30 and institute
Motor body 10 is stated, the control panel 30 and the motor body 10 are radiated, improve the radiating of the DC brushless motor
Efficiency.
In an embodiment of the present utility model, as shown in figs. 1 and 3, the side wall of rear end cap 20 is provided with produces for flabellum 40
Raw air-flow passes through and the ventilation slot 26 of flow direction motor rear end end；Gap between the stator and rotor of the motor body 10
Formed with multiple heat dissipation paths, each heat dissipation channel penetrates the front-end and back-end of the motor body 10.The direct current without
When brush motor works, drive the flabellum 40 to rotate and form air-flow, air-flow enters electricity by the ventilation slot 26 and heat dissipation channel
Inside machine, the radiating efficiency of the DC brushless motor is improved.
In an embodiment of the present utility model, as shown in figs. 1 and 3, the rear end cap 20 includes installing for control panel 30
Installation portion 22, the annular fixed part 23 that is connected with the motor body 10 and the connection installation portion 22 and the annular it is fixed
The connection wall 24 in portion 23, the part hollow out of connection wall 24 form the ventilation slot 26.Control panel 30 is installed on the installation portion
On 22, the annular fixed part 23 is fixedly connected by bolt with motor body 10, and the rear end cap 20 is fixed on into the electricity
On owner's body 10.
In an embodiment of the present utility model, as shown in figure 4, the control panel 30 is provided with the first fixing hole 32, it is described
Installation portion 22 is provided with the second fixing hole 25, and first fixing hole 32 is passed through for fixing the stud of bolt of the control panel 30
And coordinate with second fixing hole 25 and fix, the control panel 30 is pressed in the rear end cap 20 by the nut of the bolt
On.The control panel 30 is pressed on the rear end cap 20 using nut, ensure that the control panel 30 and the rear end cap
Steadiness after 20 installations.
In an embodiment of the present utility model, as shown in Figures 4 and 5, the control panel 30 includes circuit board and located at institute
State control module 34, hall effect module 33 and the drive module 35 on circuit board, the hall effect module 33 and driving mould
Block 35 electrically connects with the control module 34 respectively.Magnet ring, the hall effect module are provided with the rotor axis of electric 11
33 positions that the magnet ring on the armature spindle 11 is corresponded on the control panel 30 are set.The hall effect module 33 detects
The position signalling of rotor, signal then being passed into the control module 34, the control module 34 is handled signal, then
Signal is passed into the drive module 35, the motor of drive module 35 work.By the control module 34, Hall sense
Module 33 and drive module 35 is answered to be integrated on same control panel, it is not necessary to which the another mounting bracket that sets forms space to hold with rear end cap 20
Receive magnet ring and hall sensor, both saved space, saved cost again.
In an embodiment of the present utility model, as shown in figure 4, alternatively, the drive module 35 is located at the control
Plate 30 is bonded towards the side of the rear end cap 20, and with the rear end cap 20.The drive module 35 can include driving core
Piece and the bridge inverter main circuit being made up of six power tubes, the shell of six power tubes are bonded setting with the rear end cap 20.Institute
Rear end cap 20 is stated by heat transfer, the drive module caused partial heat at work is exported, the drive module is dissipated
Heat.Wherein, the input link control module of driving chip, the output end connection bridge inverter main circuit of driving chip, i.e., with six
The grid connection of individual power tube, to drive six power tube work according to the control signal of control module, and motor works.
In addition, above-mentioned control panel 30 also has power interface, signaling interface etc., power interface and control module and driving core
Piece connects, to provide working power for control module and driving chip etc..
In an embodiment of the present utility model, armature spindle 11 sequentially passes through the through hole 31 of first through hole 21 and second,
The endoporus of magnet ring is socketed on the armature spindle 11, and in second through hole 31, the hall effect module 33 is located at
At second through hole 31, the hall effect module 33 is circumferentially distributed in second through hole 31 along second through hole 31
Near.The quantity of hall effect module 33 is not fixed, it is preferable that the quantity of the hall effect module 33 is three.By institute
State magnet ring to be arranged in second through hole 31, save space.By the hall effect module 33 along second through hole 31
Be circumferentially distributed near second through hole 31, the hall effect module 33 is adapted to the magnet ring, effective to judge to turn
The position of son, and then accurately control DC brushless motor.
In an embodiment of the present utility model, as shown in fig. 6, flabellum 40 includes chassis 41 and multiple blades 42, it is described
The middle part on chassis 41 is provided with the 3rd fixing hole 43, and radial direction of each blade 42 along the chassis 41 is by the 3rd fixing hole 43
It is extended to the edge of chassis 41.The 3rd fixing hole 43 is inserted in free end, matches somebody with somebody with the interference of the 3rd fixing hole 43
Close, the stability that increase flabellum 40 is installed.
In an embodiment of the present utility model, as shown in fig. 7, the outer wall of the free end be provided with it is multiple along described turn
The circumferentially distributed rib 111 of sub- axle 11, each rib 111 are described to increase along the axially extending of the armature spindle 11
3rd fixing hole 43 and the frictional force of the free end, while can prevent that flabellum 40 is thrown out of during motor counter-rotating.It is described
Armature spindle 11 includes axle main paragraph and the linkage section being wholely set with the axle main paragraph, and the linkage section is away from the axle main body
One end of section is the free end of the armature spindle 11, the diameter of axle of the axle main paragraph be more than the diameter of axle of the linkage section and to described
Fan carries out spacing towards the side of the motor body 10.
In an embodiment of the present utility model, as shown in fig. 6, in order to increase the intensity of the 3rd fixing hole, increase
The contact area of 3rd fixing hole and the free end, the 3rd fixing hole 43 is provided with set on the chassis 41
Cylinder portion 44, the free end of the sleeve part 44 and the armature spindle 11 are interference fitted.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of DC brushless motor, including motor body and rear end cap, after the rear end cap is installed on the motor body
End, it is characterised in that the rear end cap is provided with control panel, the control panel and the motor backwards to the side of the motor body
Main body electrically connects, and the rear end cap has the first through hole that the armature spindle for the motor body passes through, and the control panel has
The second through hole passed through for the armature spindle, the armature spindle have through the free end of the first through hole and the second through hole,
The free end is provided with flabellum, to the control panel and motor body radiating.
2. DC brushless motor as claimed in claim 1, it is characterised in that the side wall of the rear end cap is provided with produces for flabellum
Raw air-flow passes through and the ventilation slot of flow direction motor rear end end；Gap between the stator and rotor of the motor body is formed
There are multiple heat dissipation paths, each heat dissipation channel penetrates the front-end and back-end of the motor body.
3. DC brushless motor as claimed in claim 2, it is characterised in that the rear end cap includes the peace for control panel installation
The connection wall in dress portion, the annular fixed part being connected with the motor body and the connection installation portion and the annular fixed part,
The connection wall part hollow out forms the ventilation slot.
4. the DC brushless motor as described in any one of claims 1 to 3, it is characterised in that the control panel includes circuit board
And control module, hall effect module and motor drive module on the circuit board, the hall effect module and drive
Dynamic model block is electrically connected with the control module respectively, and magnet ring is provided with the rotor axis of electric, and the hall effect module exists
The position that the magnet ring on the armature spindle is corresponded on the control panel is set.
5. DC brushless motor as claimed in claim 4, it is characterised in that the drive module located at the control panel towards
The side of the rear end cap, and be bonded with the rear end cap.
6. DC brushless motor as claimed in claim 5, it is characterised in that the drive module is included by six power tube groups
Into bridge inverter main circuit, the shell of six power tubes is bonded setting with the rear end cap.
7. DC brushless motor as claimed in claim 4, it is characterised in that the endoporus of the magnet ring is socketed on the armature spindle
On, and in second through hole, the hall effect module is located at second through hole.
8. the DC brushless motor as described in any one of claims 1 to 3, it is characterised in that the flabellum includes chassis and more
Individual blade, the middle part on the chassis are provided with the 3rd fixing hole, and the 3rd fixing hole is inserted in the free end of the armature spindle, and with
The 3rd fixing hole interference fit；Radial direction of each blade along the chassis is by the 3rd fixing hole to the chassis side
Edge is extended.
9. DC brushless motor as claimed in claim 7, it is characterised in that the outer wall of the free end is provided with multiple along institute
State the circumferentially distributed rib of armature spindle, each rib is along the axially extending of the armature spindle.
10. DC brushless motor as claimed in claim 8, it is characterised in that the 3rd fixing hole is surrounded on the chassis
Sleeve part is provided with, the free end of the sleeve part and the armature spindle is interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703296.2U CN206820585U (en) | 2017-06-15 | 2017-06-15 | DC brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703296.2U CN206820585U (en) | 2017-06-15 | 2017-06-15 | DC brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820585U true CN206820585U (en) | 2017-12-29 |
Family
ID=60760734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720703296.2U Expired - Fee Related CN206820585U (en) | 2017-06-15 | 2017-06-15 | DC brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181350A (en) * | 2017-06-15 | 2017-09-19 | 深圳安迪斯电子科技有限公司 | DC brushless motor |
-
2017
- 2017-06-15 CN CN201720703296.2U patent/CN206820585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107181350A (en) * | 2017-06-15 | 2017-09-19 | 深圳安迪斯电子科技有限公司 | DC brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20190615 |