CN108233660A - A kind of BLDC motors - Google Patents
A kind of BLDC motors Download PDFInfo
- Publication number
- CN108233660A CN108233660A CN201810189091.6A CN201810189091A CN108233660A CN 108233660 A CN108233660 A CN 108233660A CN 201810189091 A CN201810189091 A CN 201810189091A CN 108233660 A CN108233660 A CN 108233660A
- Authority
- CN
- China
- Prior art keywords
- hall
- groove
- fixing bracket
- hole
- motor body
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Brushless Motors (AREA)
Abstract
The invention discloses a kind of BLDC motors,Including motor body and controller,Shaft is stretched out in the front end of motor body,The tail end of motor body is connect with controller,Motor body includes casing,Drive end bearing bracket,Rear end cap,Stator module,Rotor assembly and shaft,Drive end bearing bracket and rear end cap are separately mounted to the both ends of casing,Stator assembly and rotor assembly in the cavity of casing,Magnet ring is installed on rotor assembly,Its described rear end cap includes bottom plate,The bearing block protruded from bottom plate mediad controller direction,And the annular nib to arch upward in bottom plate outer rim,The groove of annular is formed between annular nib and bearing block,Through-hole is equipped in groove,Hall fixing bracket is installed in groove,Hall circuit board is installed on Hall fixing bracket,Hall element on Hall circuit board is extend into motor body from through-hole and by magnet ring.The Hall circuit board is easy for installation, and rear end cap and Hall fixing bracket are unlikely to deform, and avoids Hall element and generates angular deviation.
Description
Technical field：
The present invention relates to a kind of BLDC motors.
Background technology：
Current BLDC motors, including motor body and controller, shaft, motor sheet are stretched out in the front end of the motor body
The tail end of body is connect with controller, wherein, the motor body includes casing, drive end bearing bracket, rear end cap, stator module, rotor set
Part and the shaft, the drive end bearing bracket and rear end cap are separately mounted to the both ends of the casing, the stator module and described turn
Sub-component is mounted in the cavity of the casing, and the magnet ring is mounted on the rotor assembly, the stator of the stator module
Hall circuit board is installed, the Hall element on Hall circuit board senses the magnetic flux of the magnet ring on overhang insulation.But end
Insulation causes the angular deviation that motor Hall element generates big, influences motor performance, Hall due to being that plastic material is easily deformed
Wiring board is replaced inconvenient.
Invention content：
It is existing to solve the object of the present invention is to provide a kind of motor Hall circuit board mounting structure and its motor of application
The problem of Hall circuit board installation is inconvenient in technology, Hall element setting angle easy deviation.
The purpose of the present invention is what is be achieved by following technical proposals.
The object of the present invention is to provide a kind of BLDC motors, including motor body and controller, before the motor body
Shaft is stretched out at end, and the tail end of motor body is connect with controller, wherein, the motor body includes casing, drive end bearing bracket, rear end
Lid, stator module, rotor assembly and the shaft, the drive end bearing bracket and rear end cap are separately mounted to the both ends of the casing, institute
It states stator module and the rotor assembly is mounted in the cavity of the casing, magnet ring is installed on the rotor assembly, it is special
Sign is：The rear end cap includes bottom plate, from the bearing block of controller direction protrusion described in the bottom plate mediad and in institute
The annular nib that bottom plate outer rim arches upward is stated, the groove of annular is formed between the annular nib and the bearing block, it is described recessed
Through-hole is equipped in slot, Hall fixing bracket is installed in the groove, Hall circuit board is installed on Hall fixing bracket, it is described suddenly
Hall element on your wiring board is extend into the motor body from the through-hole and by the magnet ring.
Rear end described above, which is placed in the groove, is equipped with several screw holes, corresponding with the screw hole on the Hall fixing bracket
Ground is equipped with several long arc-shaped holes, and a screw passes through long arc-shaped holes to be mounted in the screw hole, and the Hall fixing bracket passes through described
Screw is fixed in the groove.
Through-hole described above is the arc-shaped through-hole positioned at bearing block periphery, is led between the bearing block and the bottom plate
Three link block connections are crossed, the link block both sides upwardly extend to form reinforcing rib, and the reinforcing rib connects the bearing block side
Wall, several screw holes are located at by the link block.
Hall fixing bracket described above is recessed with fan-shaped mounting groove, and the installation trench bottom is downwardly projecting, and there are three cover
Cylinder, the sleeve are passed through by the through-hole to the magnet ring, and the Hall circuit board is mounted in mounting groove, the Hall circuit
Hall element on plate is inserted into the sleeve.
Hall fixing bracket described above is respectively provided with the long arc-shaped holes in the mounting groove both sides.
Rear end described above, which is placed in the groove, is additionally provided with outlet hole, and the Hall fixing bracket is corresponding with the outlet hole
Equipped with bit-avoiding slot, motor down-lead passes through the outlet hole and the bit-avoiding slot to extend into the controller out of motor body.
Hall fixing bracket described above in the mounting groove slot bottom it is protruding upward have a pillar, on the Hall circuit board with
The pillar is correspondingly provided with several mounting holes, and the Hall circuit board is fitted to by the mounting hole and the pillar
In the mounting groove.
The slot bottom of mounting groove described above is also protruding with downwards locating convex block, and fan-shaped locating slot is recessed in the groove,
The locating convex block is movably mounted in the fan-shaped locating slot.
Compared with prior art, the present invention it has the following effects that：
1) Hall circuit board is mounted on by Hall fixing bracket on rear end cap, and easy for installation, rear end cap and Hall are consolidated
Determine frame to be unlikely to deform, avoid Hall element and generate angular deviation, the inductive effects for making Hall circuit board are more stable, improve electricity
Machine performance；Hall element is extend into motor body and by the magnet ring, and inductive effects are more preferable；
2) rear end, which is placed in the groove, is equipped with several screw holes, on the Hall fixing bracket with the screw hole accordingly
Equipped with several long arc-shaped holes, a screw passes through long arc-shaped holes to be mounted in the screw hole, and the Hall fixing bracket passes through the spiral shell
Silk is fixed in the groove, and Hall fixing bracket is easy for installation, and long arc-shaped holes make the angle between Hall fixing bracket and rear end cap
It is adjustable, make the adjustable angle between Hall element and the magnet ring, improve motor performance；
3) through-hole is the arc-shaped through-hole positioned at bearing block periphery, is passed through between the bearing block and the bottom plate
Three link block connections, the link block both sides upwardly extend to form reinforcing rib, and the reinforcing rib connects the bearing block side wall,
Reinforcing rib ensure that the intensity of rear end cap；
4) Hall fixing bracket is recessed with fan-shaped mounting groove, and the installation trench bottom is downwardly projecting there are three sleeve,
The sleeve is passed through by the through-hole to the magnet ring, and the Hall circuit board is mounted in mounting groove, the Hall circuit board
Hall element be inserted into the sleeve, sleeve can protect Hall element and accurately control the position of Hall element；
5) groove is additionally provided with outlet hole, the Hall fixing bracket and the outlet hole pair in the fan-shaped pylone periphery
Bit-avoiding slot should be equipped with, outlet hole and bit-avoiding slot facilitate motor down-lead to draw；
6) Hall fixing bracket in mounting groove slot bottom it is protruding upward have a pillar, it is corresponding with pillar on Hall circuit board to set
There are several mounting holes, Hall circuit board is fitted to by mounting hole and pillar in mounting groove, the installation of Hall circuit board
It is convenient.
Description of the drawings：
Fig. 1 is a kind of structure diagram of BLDC motors provided in an embodiment of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is enlarged drawing at the B of Fig. 2；
Fig. 4 is the explosive view of BLDC motors provided in an embodiment of the present invention；
Fig. 5 is enlarged drawing at the C of Fig. 4；
Fig. 6 is enlarged drawing at the D of Fig. 4.
Specific embodiment：
Below by specific embodiment and with reference to attached drawing, the present invention is described in further detail.
As shown in Figures 1 to 6, provided in this embodiment is a kind of BLDC motors, including motor body 10 and controller 9,
Shaft 8 is stretched out in the front end of the motor body 10, and the tail end of motor body 10 is connect with controller 9, wherein, the motor body
10 include casing 4, drive end bearing bracket 5, rear end cap 1, stator module 6, rotor assembly 7 and the shaft 8, the drive end bearing bracket 5 and rear end
Lid 1 is separately mounted to the both ends of the casing 4, and the stator module 6 and the rotor assembly 7 are mounted on the sky of the casing 4
In chamber, magnet ring 32 is installed on the rotor assembly 7, it is characterised in that：The rear end cap 1 includes bottom plate 11, from the bottom plate
The bearing block 12 that 9 direction of controller described in 11 mediads is protruded and the annular nib 13 to arch upward in 11 outer rim of bottom plate,
The groove 14 of annular is formed between the annular nib 13 and the bearing block 12, through-hole 15 is equipped in the groove 14, in institute
It states and Hall fixing bracket 2 is installed in groove 14, Hall circuit board 31, the Hall circuit board 31 are installed on Hall fixing bracket 2
On Hall element 311 extend into the motor body 10 from the through-hole 15 and by the magnet ring 32.
BLDC motors described in the present embodiment, the Hall circuit board 31 are mounted on by Hall fixing bracket 2 on rear end cap 1,
Easy for installation, rear end cap 1 and Hall fixing bracket 2 are unlikely to deform, and are avoided Hall element 311 and are generated angular deviation, make Hall line
The inductive effects of road plate 31 are more stable, improve motor performance；Hall element 311 is extend into motor body 1 and positioned at described
By magnet ring 32, inductive effects are more preferable.
Rear end cap 1 described above is equipped with several screw holes 16 in the groove 14, on the Hall fixing bracket 2 with the spiral shell
Hole 16 accordingly be equipped with several long arc-shaped holes 23, a screw 27 pass through long arc-shaped holes 23 be mounted on the screw hole 16 in, it is described suddenly
You are fixed on by the screw 27 in the groove 14 fixed frame 2.Long arc-shaped holes 23 make Hall fixing bracket 2 and rear end cap 1 it
Between adjustable angle, make the adjustable angle between Hall element 311 and the magnet ring 32, improve motor performance.
Through-hole 15 described above is the arc-shaped through-hole positioned at 12 periphery of bearing block, the bearing block 12 and the bottom plate
It is connected between 11 by three link blocks 17,17 both sides of link block upwardly extend to form reinforcing rib 171, the reinforcing rib
171 connection 12 side walls of bearing block, several screw holes 16 are located at by the link block 17.It is equipped in the bearing block 12
Bearing 75, the shaft 8 are supported on by the bearing 75 in the casing 4.The reinforcing rib 171 ensure that rear end cap 1
Intensity.
Hall fixing bracket 2 described above is recessed with fan-shaped mounting groove 21, and 21 bottom of mounting groove is downwardly projecting three
A sleeve 22, the sleeve 22 are passed through by the through-hole 15 to the magnet ring 32, and the Hall circuit board 31 is mounted on mounting groove
In 21, the Hall element 311 on the Hall circuit board 31 is inserted into the sleeve 22.Sleeve 22 can protect Hall element
311, and the position of Hall element 311 can be accurately controlled.
Hall fixing bracket 2 described above is respectively provided with the long arc-shaped holes 23 in 21 both sides of mounting groove.
Rear end cap 1 described above is in being additionally provided with outlet hole 18 in the groove 14, the Hall fixing bracket 2 and the outlet
Hole 18 is correspondingly provided with bit-avoiding slot 24, and motor down-lead (not shown) passes through the outlet hole 18 out of motor body 10 and described keeps away position
Slot 24 is extend into the controller 9.Outlet hole 18 and bit-avoiding slot 24 facilitate motor down-lead to draw.
Hall fixing bracket 2 described above protruding upward has pillar 25, the Hall circuit in the slot bottom of the mounting groove 21
Several mounting holes 312 are correspondingly provided on plate 31 with the pillar 25, the Hall circuit board 31 passes through the mounting hole 312 and institute
State being fitted in the mounting groove 21 for pillar 25.Hall circuit board 31 it is easy for installation.
The slot bottom of mounting groove 21 described above is also protruding with downwards locating convex block 26, and it is fan-shaped fixed to be recessed in the groove 14
Position slot 141, the locating convex block 26 are movably mounted in the fan-shaped locating slot 141.
Better embodiment of the above example for the present invention, but the implementation of the present invention is not limited to this, and other are any
Without departing from the present invention Spirit Essence with made under principle change, modification, replacement, combine, simplification, be equivalent displacement side
Formula is included within protection scope of the present invention.
Claims (8)
1. a kind of BLDC motors, including motor body (10) and controller (9), shaft is stretched out in the front end of the motor body (10)
(8), the tail end of motor body (10) is connect with controller (9), wherein, the motor body (10) includes casing (4), drive end bearing bracket
(5), rear end cap (1), stator module (6), rotor assembly (7) and the shaft (8), the drive end bearing bracket (5) and rear end cap (1) point
Not An Zhuan the casing (4) both ends, the stator module (6) and the rotor assembly (7) are mounted on the casing (4)
In cavity, magnet ring (32) is installed on the rotor assembly (7), it is characterised in that：The rear end cap (1) including bottom plate (11),
From the bearing block (12) of controller (9) direction protrusion described in the bottom plate (11) mediad and in the bottom plate (11) outer rim
The annular nib (13) to arch upward forms the groove (14) of annular between the annular nib (13) and the bearing block (12),
Through-hole (15) is equipped in the groove (14), Hall fixing bracket (2), Hall fixing bracket (2) are installed in the groove (14)
On Hall circuit board (31) is installed, the Hall element (311) on the Hall circuit board (31) is stretched into from the through-hole (15)
It is in the motor body (10) and other positioned at the magnet ring (32).
2. a kind of BLDC motors according to claim 1, it is characterised in that：The rear end cap (1) is in the groove (14)
It is interior to be equipped with several screw holes (16), several long arc-shaped holes are accordingly equipped with the screw hole (16) on the Hall fixing bracket (2)
(23), a screw (27) is across long arc-shaped holes (23) in the screw hole (16), and the Hall fixing bracket (2) is by described
Screw (27) is fixed in the groove (14).
3. a kind of BLDC motors according to claim 2, it is characterised in that：The through-hole (15) is positioned at the bearing block
(12) peripheral arc-shaped through-hole, is connect, the company between the bearing block (12) and bottom plate (11) by three link blocks (17)
It connects block (17) both sides to upwardly extend to form reinforcing rib (171), the reinforcing rib (171) connects bearing block (12) side wall, institute
It is other positioned at the link block (17) to state several screw holes (16).
4. a kind of BLDC motors according to claim 3, it is characterised in that：The Hall fixing bracket (2) is recessed with sector
Mounting groove (21), mounting groove (21) bottom is downwardly projecting there are three sleeve (22), and the sleeve (22) is across described logical
Hole (15) is other to the magnet ring (32), and the Hall circuit board (31) is in mounting groove (21), the Hall circuit board
(31) Hall element (311) on is inserted into the sleeve (22).
5. a kind of BLDC motors according to claim 4, it is characterised in that：The Hall fixing bracket (2) is in the installation
Slot (21) both sides are respectively provided with a long arc-shaped holes (23).
6. a kind of BLDC motors according to claim 5, it is characterised in that：The rear end cap (1) is in the groove (14)
Outlet hole (18) is inside additionally provided with, the Hall fixing bracket (2) is correspondingly provided with bit-avoiding slot (24) with the outlet hole (18), and motor draws
Line passes through the outlet hole (18) and the bit-avoiding slot (24) to extend into the controller (9) out of motor body (10).
7. a kind of BLDC motors as claimed in any of claims 1 to 6, it is characterised in that：The Hall fixing bracket
(2) have a pillar (25) in the slot bottom of the mounting groove (21) is protruding upward, on the Hall circuit board (31) with the pillar
(25) several mounting holes (312) are correspondingly provided with, the Hall circuit board (31) passes through the mounting hole (312) and the pillar
(25) be fitted in the mounting groove (21).
8. a kind of BLDC motors according to claim 7, it is characterised in that：The slot bottom of the mounting groove (21) is also convex downwards
Go out to have locating convex block (26), be recessed with fan-shaped locating slot (141) in the groove (14), the locating convex block (26) is actively pacified
In the fan-shaped locating slot (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189091.6A CN108233660B (en) | 2018-03-08 | 2018-03-08 | BLDC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810189091.6A CN108233660B (en) | 2018-03-08 | 2018-03-08 | BLDC motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108233660A true CN108233660A (en) | 2018-06-29 |
| CN108233660B CN108233660B (en) | 2024-04-26 |
Family
ID=62667172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810189091.6A Active CN108233660B (en) | 2018-03-08 | 2018-03-08 | BLDC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233660B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109639062A (en) * | 2018-12-29 | 2019-04-16 | 锦霸工贸有限公司 | A kind of sensor fixing structure of deep-well pump motor |
| WO2019169842A1 (en) * | 2018-03-08 | 2019-09-12 | 中山大洋电机股份有限公司 | Bldc electric motor |
| CN110492690A (en) * | 2019-10-09 | 2019-11-22 | 浙江众邦机电科技有限公司 | A kind of motor magnetism encoder |
| 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 |
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| CN201774428U (en) * | 2010-06-02 | 2011-03-23 | 中山大洋电机制造有限公司 | Direct current brushless electric machine |
| US20120104906A1 (en) * | 2010-10-30 | 2012-05-03 | Zhongshan Broad-Ocean Motor Co., Ltd. | Brushless dc motor |
| CN202634229U (en) * | 2012-05-30 | 2012-12-26 | 中山大洋电机股份有限公司 | Brushless DC motor structure induced by Hall element |
| CN203660853U (en) * | 2013-12-20 | 2014-06-18 | 中山大洋电机制造有限公司 | DC brushless motor |
| WO2016119476A1 (en) * | 2015-01-29 | 2016-08-04 | 中山大洋电机股份有限公司 | Mounting structure of hall circuit board, and brushless direct current motor applying same |
| CN208078854U (en) * | 2018-03-08 | 2018-11-09 | 中山大洋电机股份有限公司 | A kind of BLDC motors |
-
2018
- 2018-03-08 CN CN201810189091.6A patent/CN108233660B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201774428U (en) * | 2010-06-02 | 2011-03-23 | 中山大洋电机制造有限公司 | Direct current brushless electric machine |
| US20120104906A1 (en) * | 2010-10-30 | 2012-05-03 | Zhongshan Broad-Ocean Motor Co., Ltd. | Brushless dc motor |
| CN202634229U (en) * | 2012-05-30 | 2012-12-26 | 中山大洋电机股份有限公司 | Brushless DC motor structure induced by Hall element |
| CN203660853U (en) * | 2013-12-20 | 2014-06-18 | 中山大洋电机制造有限公司 | DC brushless motor |
| WO2016119476A1 (en) * | 2015-01-29 | 2016-08-04 | 中山大洋电机股份有限公司 | Mounting structure of hall circuit board, and brushless direct current motor applying same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019169842A1 (en) * | 2018-03-08 | 2019-09-12 | 中山大洋电机股份有限公司 | Bldc electric motor |
| 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 |
| CN109639062A (en) * | 2018-12-29 | 2019-04-16 | 锦霸工贸有限公司 | A kind of sensor fixing structure of deep-well pump motor |
| CN110492690A (en) * | 2019-10-09 | 2019-11-22 | 浙江众邦机电科技有限公司 | A kind of motor magnetism encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108233660B (en) | 2024-04-26 |
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