CN208424164U - A kind of DC brushless outer rotor motor - Google Patents
A kind of DC brushless outer rotor motor Download PDFInfo
- Publication number
- CN208424164U CN208424164U CN201821114105.XU CN201821114105U CN208424164U CN 208424164 U CN208424164 U CN 208424164U CN 201821114105 U CN201821114105 U CN 201821114105U CN 208424164 U CN208424164 U CN 208424164U
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- outer rotor
- hole
- insulating base
- pedestal
- control panel
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Abstract
The utility model discloses a kind of DC brushless outer rotor motors, including pedestal, outer rotor component, shaft, stator module, control panel and Hall circuit board, outer rotor component is connected with shaft installation, stator module is sleeved in the inner cavity of outer rotor component, receiver is protruding among pedestal, stator module is connect with receiver, rotating shaft support is in receiver, rear cover is installed on its described pedestal, accommodating cavity is formed between pedestal and rear cover, pedestal is equipped with first through hole, insulating base is installed in accommodating cavity, the inside cavity direction in insulating base bottom is protruding with convex block, convex block is in first through hole, insulating base forms groove above convex block, the control panel is mounted in insulating base, the Hall circuit board is mounted in groove, the bottom of Hall circuit board is equipped at least one Hall element, Hall element is close to groove floor, control Plate and Hall circuit board it is easy for installation, the distance between each Hall element and magnetic shoe are consistent, and the data of acquisition are more accurate.
Description
Technical field:
The utility model relates to a kind of DC brushless outer rotor motor, outside especially a kind of brush DC with hall sensing
Rotor electric machine.
Background technique:
The existing DC brushless outer rotor motor with hall sensing, including pedestal, outer rotor component, stator module, after
Lid and control panel, outer rotor component are connected with shaft installation, and stator module is sleeved in the inner cavity of outer rotor component, stator
Component is mounted on pedestal side, and rear cover is mounted on the other side of pedestal, and control panel is mounted between pedestal and rear cover, on control panel
There are three Hall circuit board, control panels to be connect by socket with contact pin with Hall circuit board for installation, the Hall member of Hall circuit board
Part extend into the inner cavity of outer rotor component the changes of magnetic field for incuding outer rotor.The DC brushless outer rotor motor of this structure,
Three Hall circuit boards are mounted on control panel by socket and contact pin, make the installation trouble of control panel, three Hall thread elements
The distance between magnetic shoe of outer rotor is difficult to control, so that the data of induction are difficult to accurately.
Utility model content:
The purpose of the utility model is to provide a kind of DC brushless outer rotor motor, Hall route in existing motor can solve
Plate and control panel installation trouble, three Hall element positions are difficult to the problem of being accurately positioned.
The purpose of this utility model is achieved by following technical proposals.
The purpose of the utility model is to provide a kind of DC brushless outer rotor motor, including pedestal, outer rotor component, turn
Axis, stator module, control panel and Hall circuit board, outer rotor component are connected with shaft installation, and outer rotor component includes turning
Subshell and several magnetic shoes for being mounted on rotor case inner wall, stator module is sleeved in the inner cavity of rotor case, among pedestal
It is protruding with receiver to inner cavity, stator module is connect with receiver, and receiver both ends are separately installed with bearing, rotating shaft support installation
On two bearings, it is characterised in that: rear cover is installed on the pedestal, forms accommodating cavity between pedestal and rear cover, pedestal is set
There is first through hole, first through hole is located at the inside of magnetic shoe, and insulating base is equipped in accommodating cavity, and the inside cavity direction in insulating base bottom is convex
There is convex block out, convex block is in first through hole, and insulating base forms groove above convex block, and the control panel is mounted on insulating base
Interior, the Hall circuit board is mounted in groove, and the bottom of Hall circuit board is equipped at least one Hall element, and Hall element leans on
Nearly groove floor.
The bottom of Hall circuit board described above is set there are three Hall element.
Bottom portion of groove described above is also recessed with downwards at least one square sleeve, groove two neighboring square sleeve it
Between it is protruding upward have positioning column, Hall circuit board is supported by positioning column, and Hall element is extend into square sleeve.
Bottom portion of groove described above is set there are three square sleeve, and three square sleeves are set with three Hall element one-to-one correspondence
It sets.
Pedestal described above is additionally provided with the second through-hole, and the insulating base is additionally provided with fixed platform, is equipped with three in fixed platform
A third through-hole, insulating base bottom and fixed platform corresponding position are protruding with cricoid chimb, and chimb is inlaid in the second through-hole,
Stator module is equipped with winding contact pin, and the end of winding contact pin passes through third through-hole, and winding contact pin is electrically connected with control panel.
Cricoid chimb described above includes end to end first isolating bar and the second isolating bar, and the second isolating bar is located at
Receiver periphery, the height H2 of the second isolating bar are greater than the height H1 of the first isolating bar.
The receiver lateral surface described above is equipped with positioning step, and the stator core end face of the stator module is against
On positioning step, positioning step is concaved with aluminium skimmings collecting tank.
Control panel described above is protruding with heater element, and the rear cover bottom is downwardly projecting cooling platform, cooling fins
Platform is attached to heater element top surface.
Hd top face is equipped with several radiating ribs after described above.
Pedestal described above is equipped with annular sidewall, and several mounting posts are equipped on the inside of annular sidewall, are equipped with first in mounting post
Screw hole, the insulating base and mounting post are correspondingly provided with bit-avoiding slot, and the rear cover is mounted on annular sidewall, and rear cover passes through the first spiral shell
Silk is fixed with mounting post.
Pedestal described above is protruding with support base by mounting post, is equipped with the second screw hole in support base, the insulating base
Edge is protruding with flange, and insulating base is correspondingly provided with support platform above support base, and fixed hole is equipped in support platform, described
Control panel is mounted in support platform, and control panel is equipped with mounting hole, and mounting hole, fixed hole and the second screw hole are correspondingly arranged, and is pacified
The second screw is installed in dress hole, fixed hole and the second screw hole, control panel is fixed on by the second screw and insulating base, pedestal
Together.
Rotor case inner wall described above is equipped with bracket, and branch is provided with several T shape spacer posts, and the magnetic shoe is mounted on adjacent
Between two T shape spacer posts.
The utility model compared with prior art, has the effect that
1) accommodating cavity is formed between the pedestal and rear cover, pedestal is equipped with first through hole, and first through hole is located at the interior of magnetic shoe
Side is equipped with insulating base in accommodating cavity, and the inside cavity direction in insulating base bottom is protruding with convex block, and convex block is in first through hole, absolutely
Edge seat forms groove above convex block, and the control panel is mounted in insulating base, and the Hall circuit board is mounted in groove, suddenly
The bottom of your wiring board is equipped at least one Hall element, and Hall element is close to groove floor；Control panel and Hall circuit board
Easy for installation, multiple Hall elements are mounted on Hall circuit board simultaneously, it is ensured that the distance between each Hall element and magnetic shoe
Unanimously, the magnetic field induction data of each Hall element are more accurate；
2) bottom portion of groove is also recessed with downwards at least one square sleeve, and groove is between two neighboring square sleeve
Protruding upward to have positioning column, Hall circuit board is supported by positioning column, and Hall element is extend into square sleeve；Hall element is determined
The more acurrate convenience in position；
3) pedestal is additionally provided with the second through-hole, and the insulating base is additionally provided with fixed platform, set in fixed platform there are three
Third through-hole, insulating base bottom and fixed platform corresponding position are protruding with cricoid chimb, and chimb is inlaid in the second through-hole, fixed
Sub-component is equipped with winding contact pin, and the end of winding contact pin passes through third through-hole, and winding contact pin is electrically connected with control panel；Winding contact pin
It is easy to connect；
4) the cricoid chimb includes end to end first isolating bar and the second isolating bar, and the second isolating bar is located at set
Cylinder base periphery, the height H2 of the second isolating bar are greater than the height H1 of the first isolating bar, and asymmetric structure is not only convenient for assembly also
It can guarantee and insulate between winding contact pin and bearing block；
5) the receiver lateral surface stated is equipped with positioning step, and the stator core end face of the stator module is against positioning
On step, positioning step is concaved with aluminium skimmings collecting tank；Aluminium skimmings collecting tank collects the process of stator module indentation receiver
The aluminium skimmings of generation, prevent aluminium skimmings from entering motor, cause motor pressure resistance bad or even short-circuit, while guaranteeing to press stator dimensions；
6) control panel is protruding with heater element, and the rear cover bottom is downwardly projecting cooling platform, cooling platform
It is attached to heater element top surface；Hd top face is equipped with several radiating ribs after described；Cooling platform and radiating ribs are all more conducive to control panel
Heat dissipation；
7) rear cover is fixed by the first screw with mounting post, easy for installation；
8) pedestal is protruding with support base by mounting post, and insulating base is correspondingly provided with support platform above support base,
The control panel is mounted in support platform, multiple support platform support and control plates, is guaranteed control panel multiple spot stress, is prevented shape
Become；Control panel is fixed together by the second screw and insulating base, pedestal, and connection is simple；
9) the rotor case inner wall is equipped with bracket, and branch is provided with several T shape spacer posts, and the magnetic shoe is mounted on adjacent two
Between a T shape spacer post；It no longer needs to using tool locating magnetic shoe, facilitates operation, T shape spacer post effectively prevents after magnetic shoe magnetic shoe loosens
It is close to.
Detailed description of the invention:
Fig. 1 is the perspective view of DC brushless outer rotor motor provided by the embodiment of the utility model；
Fig. 2 is the top view for the DC brushless outer rotor motor that embodiment provides；
Fig. 3 is the C-O-C cross-sectional view of Fig. 2；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is enlarged drawing at the B of Fig. 3；
Fig. 6 is the explosive view for the DC brushless outer rotor motor that embodiment provides；
Fig. 7 is enlarged drawing at the D of Fig. 6；
Fig. 8 is the structural schematic diagram of the insulating base 2 in the DC brushless outer rotor motor that embodiment provides；
Fig. 9 is the structural schematic diagram of another angle of insulating base 2.
Specific embodiment:
The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.
As shown in Figures 1 to 9, provided in this embodiment is a kind of DC brushless outer rotor motor, including pedestal 1, outer turn
Sub-component 6, shaft 61, stator module 5, control panel 41 and Hall circuit board 42, outer rotor component 6 and the installation of shaft 61 connect
Come, outer rotor component 6 includes rotor case 62 and several magnetic shoes 63 for being mounted on 62 inner wall of rotor case, and stator module 5 is set with
In the inner cavity of rotor case 62 621, receiver 11, stator module 5 and receiver 11 are protruding with to inner cavity 621 among pedestal 1
Connection, 11 both ends of receiver are separately installed with bearing 12A, 12B, and the support of shaft 61 is mounted on two bearings 12A, 12B, special
Sign is: being equipped with rear cover 3 on the pedestal 1, forms accommodating cavity 31 between pedestal 1 and rear cover 3, pedestal 1 is equipped with first through hole
14, first through hole 14 is located at the inside of magnetic shoe 63, is equipped with insulating base 2 in accommodating cavity 31, and 2 bottom of insulating base is to 621 side of inner cavity
To convex block 21 is protruding with, for convex block 21 in first through hole 14, insulating base 2 forms groove 22, the control above convex block 21
Plate 41 is mounted in insulating base 2, and the Hall circuit board 42 is mounted in groove 22, and the bottom of Hall circuit board 42 is equipped at least
One Hall element 421, Hall element 421 is close to 22 bottom surface of groove.
DC brushless outer rotor motor described in the present embodiment, control panel 41 and Hall circuit board 42 it is easy for installation, it is each
The distance between Hall element 421 and magnetic shoe 63 are consistent, keep the magnetic field induction data of each Hall element 63 more accurate.
The bottom of Hall circuit board 42 described above is set there are three Hall element 421.
22 bottom of groove described above is also recessed with downwards at least one square sleeve 222, and groove 22 is in two neighboring side
Protruding upward between shape sleeve 222 to have positioning column 221, Hall circuit board 42 is supported by positioning column 221, and Hall element 421 protrudes into
Into square sleeve 222.
22 bottom of groove described above is set there are three square sleeve 222, three square sleeves 222 and three Hall elements
421 are arranged in a one-to-one correspondence.
Pedestal 1 described above is additionally provided with the second through-hole 15, and the insulating base 2 is additionally provided with fixed platform 23, fixed platform 23
It inside sets there are three third through-hole 231,2 bottom of insulating base and 23 corresponding position of fixed platform are protruding with cricoid chimb 24, chimb
24 are inlaid in the second through-hole 15, and stator module 5 is equipped with winding contact pin 51, and the end of winding contact pin 51 passes through third through-hole 231,
Winding contact pin 51 is electrically connected with control panel 41.
Cricoid chimb 24 described above include end to end first isolating bar 241 and the second isolating bar 242, second every
It is located at 11 periphery of receiver from item 242, the height H2 of the second isolating bar 242 is greater than the height H1 of the first isolating bar 2411.
11 lateral surface of the receiver described above is equipped with positioning step 111, the stator core 52 of the stator module 5
End face is against on positioning step 111, and positioning step 111 is concaved with aluminium skimmings collecting tank 112.
Control panel 41 described above is protruding with heater element 412, and 3 bottom of rear cover is downwardly projecting cooling platform
34, cooling platform 34 is attached to 412 top surface of heater element.
3 top surface of rear cover described above is equipped with several radiating ribs 33.
Pedestal 1 described above is equipped with annular sidewall 13, is equipped with several mounting posts 16 on the inside of annular sidewall 13, in mounting post 16
Equipped with the first screw hole 161, the insulating base 2 is correspondingly provided with bit-avoiding slot 27 with mounting post 16, and the rear cover 3 is mounted on annular sidewall
On 13, rear cover 3 is fixed by the first screw 32 and mounting post 16.
Pedestal 1 described above is protruding with support base 17 by mounting post 16, is equipped with the second screw hole 171, institute in support base 17
The edge for stating insulating base 2 is protruding with flange 26, and flange 26 is attached to 16 inside of annular sidewall 13 and mounting post, and insulating base 2 is supporting
17 top of seat is correspondingly provided with support platform 25, is equipped with fixed hole 251 in support platform 25, the control panel 41 is mounted on support
On platform 25, control panel 41 is equipped with mounting hole 411, and mounting hole 411, fixed hole 251 and the second screw hole 171 are correspondingly arranged, and pacifies
Second screw 413 is installed, control panel 41 passes through the second screw 413 in dress hole 411, fixed hole 251 and the second screw hole 171
It is fixed together with insulating base 2, pedestal 1.
62 inner wall of rotor case described above is equipped with bracket 64, and bracket 64 is equipped with several T shape spacer posts 641, the magnetic shoe
63 are mounted between two neighboring T shape spacer post 641.
Above embodiments are the better embodiment of the utility model, and however, the embodiments of the present invention are not limited thereto,
Made changes, modifications, substitutions, combinations, simplifications under other any spiritual essence and principles without departing from the utility model are
Equivalent substitute mode, is included within the protection scope of the utility model.
Claims (12)
1. a kind of DC brushless outer rotor motor, including pedestal (1), outer rotor component (6), shaft (61), stator module (5),
Control panel (41) and Hall circuit board (42), outer rotor component (6) are connected with shaft (61) installation, outer rotor component (6)
Including rotor case (62) and several magnetic shoes (63) of rotor case (62) inner wall are mounted on, stator module (5) is sleeved on rotor
The inner cavity (621) of shell (62) is inner, is protruding with receiver (11) among pedestal (1) to inner cavity (621), stator module (5) and set
Cylinder base (11) connection, receiver (11) both ends are separately installed with bearing (12A, 12B), and shaft (61) support is mounted on two bearings
On (12A, 12B), it is characterised in that: be equipped with rear cover (3) on the pedestal (1), formed and held between pedestal (1) and rear cover (3)
It sets chamber (31), pedestal (1) is equipped with first through hole (14), and first through hole (14) is located at the inside of magnetic shoe (63), and accommodating cavity (31) is interior
It is equipped with insulating base (2), insulating base (2) bottom is protruding with convex block (21) to inner cavity (621) direction, and convex block (21) is logical embedded in first
In hole (14), insulating base (2) forms groove (22) above convex block (21), and the control panel (41) is mounted in insulating base (2),
The Hall circuit board (42) is mounted in groove (22), and the bottom of Hall circuit board (42) is equipped at least one Hall element
(421), Hall element (421) is close to groove (22) bottom surface.
2. a kind of DC brushless outer rotor motor according to claim 1, it is characterised in that: the Hall circuit board (42)
Bottom set there are three Hall element (421).
3. a kind of DC brushless outer rotor motor according to claim 2, it is characterised in that: groove (22) bottom is also
It is recessed at least one square sleeve (222) downwards, groove (22) is protruding upward between two neighboring square sleeve (222) to be had
Positioning column (221), Hall circuit board (42) are supported by positioning column (221), and Hall element (421) extend into square sleeve (222)
It is interior.
4. a kind of DC brushless outer rotor motor according to claim 3, it is characterised in that: groove (22) bottom is set
There are three square sleeve (222), three square sleeves (222) are arranged in a one-to-one correspondence with three Hall elements (421).
5. a kind of DC brushless outer rotor motor according to claim 1, it is characterised in that: the pedestal (1) is additionally provided with
Second through-hole (15), the insulating base (2) are additionally provided with fixed platform (23), set that there are three third through-holes in fixed platform (23)
(231), insulating base (2) bottom and fixed platform (23) corresponding position are protruding with cricoid chimb (24), and chimb (24) is inlaid in
In second through-hole (15), stator module (5) is equipped with winding contact pin (51), and the end of winding contact pin (51) passes through third through-hole
(231), winding contact pin (51) is electrically connected with control panel (41).
6. a kind of DC brushless outer rotor motor according to claim 5, it is characterised in that: the cricoid chimb (24)
Including end to end first isolating bar (241) and the second isolating bar (242), the second isolating bar (242) is located at receiver (11)
Periphery, the height H2 of the second isolating bar (242) are greater than the height H1 of the first isolating bar (2411).
7. a kind of DC brushless outer rotor motor as claimed in any of claims 1 to 6, it is characterised in that: described
Receiver (11) lateral surface is equipped with positioning step (111), and stator core (52) end face of the stator module (5) is against positioning table
On rank (111), positioning step (111) is concaved with aluminium skimmings collecting tank (112).
8. a kind of DC brushless outer rotor motor according to claim 7, it is characterised in that: the control panel (41) is convex
Have out heater element (412), rear cover (3) bottom is downwardly projecting to be had cooling platform (34), and cooling platform (34) is attached to fever
Element (412) top surface.
9. a kind of DC brushless outer rotor motor according to claim 8, it is characterised in that: rear cover (3) top surface is set
There are several radiating ribs (33).
10. a kind of DC brushless outer rotor motor according to claim 9, it is characterised in that: the pedestal (1) is equipped with ring
Shape side wall (13), annular sidewall (13) inside are equipped with several mounting posts (16), are equipped with the first screw hole (161) in mounting post (16),
The insulating base (2) and mounting post (16) are correspondingly provided with bit-avoiding slot (27), and the rear cover (3) is mounted on annular sidewall (13),
Rear cover (3) is fixed by the first screw (32) and mounting post (16).
11. a kind of DC brushless outer rotor motor according to claim 10, it is characterised in that: the pedestal (1) is being pacified
It is protruding with support base (17) by dress column (16), is equipped with the second screw hole (171) in support base (17), the edge of the insulating base (2)
It is protruding with flange (26), insulating base (2) is correspondingly provided with support platform (25) above support base (17), is set in support platform (25)
Having fixed hole (251), the control panel (41) is mounted on support platform (25), and control panel (41) is equipped with mounting hole (411),
Mounting hole (411), fixed hole (251) and the second screw hole (171) are correspondingly arranged, mounting hole (411), fixed hole (251) and
It is equipped with the second screw (413) in second screw hole (171), control panel (41) passes through the second screw (413) and insulating base (2), bottom
Seat (1) is fixed together.
12. a kind of DC brushless outer rotor motor according to claim 11, it is characterised in that: the rotor case (62)
Inner wall is equipped with bracket (64), and bracket (64) is equipped with several T shape spacer posts (641), and the magnetic shoe (63) is mounted on two neighboring T shape
Between spacer post (641).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114105.XU CN208424164U (en) | 2018-07-14 | 2018-07-14 | A kind of DC brushless outer rotor motor |
| PCT/CN2019/076275 WO2020015360A1 (en) | 2018-07-14 | 2019-02-27 | Dc brushless outer rotor motor |
| US17/037,588 US11404940B2 (en) | 2018-07-14 | 2020-09-29 | Brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114105.XU CN208424164U (en) | 2018-07-14 | 2018-07-14 | A kind of DC brushless outer rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208424164U true CN208424164U (en) | 2019-01-22 |
Family
ID=65123373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821114105.XU Active CN208424164U (en) | 2018-07-14 | 2018-07-14 | A kind of DC brushless outer rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208424164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015360A1 (en) * | 2018-07-14 | 2020-01-23 | 中山大洋电机股份有限公司 | Dc brushless outer rotor motor |
| WO2022247254A1 (en) * | 2021-05-24 | 2022-12-01 | 东莞市本末科技有限公司 | Direct drive motor and intelligent apparatus |
| WO2022262787A1 (en) * | 2021-06-17 | 2022-12-22 | 格力博(江苏)股份有限公司 | Brushless dc motor |
| WO2023279750A1 (en) * | 2021-07-05 | 2023-01-12 | 东莞市本末科技有限公司 | Fitness device based on direct drive electric motor |
-
2018
- 2018-07-14 CN CN201821114105.XU patent/CN208424164U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020015360A1 (en) * | 2018-07-14 | 2020-01-23 | 中山大洋电机股份有限公司 | Dc brushless outer rotor motor |
| US11404940B2 (en) | 2018-07-14 | 2022-08-02 | Zhongshan Broad-Ocean Motor Co., Ltd. | Brushless direct current motor |
| WO2022247254A1 (en) * | 2021-05-24 | 2022-12-01 | 东莞市本末科技有限公司 | Direct drive motor and intelligent apparatus |
| WO2022262787A1 (en) * | 2021-06-17 | 2022-12-22 | 格力博(江苏)股份有限公司 | Brushless dc motor |
| WO2023279750A1 (en) * | 2021-07-05 | 2023-01-12 | 东莞市本末科技有限公司 | Fitness device based on direct drive electric motor |
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