CN106655606A - Direct current brushless motor rotor structure - Google Patents
Direct current brushless motor rotor structure Download PDFInfo
- Publication number
- CN106655606A CN106655606A CN201611052361.6A CN201611052361A CN106655606A CN 106655606 A CN106655606 A CN 106655606A CN 201611052361 A CN201611052361 A CN 201611052361A CN 106655606 A CN106655606 A CN 106655606A
- Authority
- CN
- China
- Prior art keywords
- external diameter
- direct current
- main magnetic
- construction section
- sensor magnet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/04—Balancing means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention belongs to the technical field of motor design, and relates to a direct current brushless motor rotor structure which can realize dynamic balance de-weighting conveniently. The direct current brushless motor rotor structure comprises a motor shaft (1), a sensor magnetic steel bracket assembly (2) and a main magnetic steel assembly (3); and the direct current brushless motor rotor structure is characterized in that a balance weight ring (4) made from a non-conductive magnetic material is mounted on an isolating section (1d). The invention provides the direct current brushless motor rotor structure which can realize dynamic balance de-weighting conveniently; and it is ensured that a de-weighting operation can be performed conveniently in a dynamic balance process without affecting the complete machine performance of the motor, so that scrapping of parts can be avoided, and rate of finished products of rotors is improved.
Description
Technical field
The invention belongs to design of electrical motor technical field, it is related to a kind of be easy to the brushless DC motor of dynamic balancing duplicate removal to tie
Structure.
Background technology
With making rapid progress for DC brushless motor technology, to the quality requirements of DC brushless motor also more and more higher, directly
The dynamically balanced quality of stream brushless electric motor rotor is one of decisive factor of quality quality of motor.Current DC brushless motor turns
There is no the component dedicated for dynamic balancing duplicate removal on son, deduplication operation cannot be carried out when duplicate removal is needed during dynamic balancing, only
Part rejection can be caused decrease in yield.
The content of the invention
The purpose of the present invention is：A kind of rotor structure of direct current brushless motor for being easy to dynamic balancing duplicate removal is proposed, so as to not
In the case of affecting the whole machine magnetic property of motor, it is ensured that deduplication operation can be easily carried out during dynamic balancing, it is to avoid part report
It is useless, improve the yield rate of rotor.
The technical scheme is that：A kind of rotor structure of direct current brushless motor, it includes motor shaft 1, sensor magnet steel
Bracket component 2 and main magnetic steel component 3；Motor shaft 1 is a Step Shaft, and motor shaft 1 from left to right includes left support section 1a, on a left side
The left end of supporting section 1a has output gear, is that the sensor magnet steel bracket component with knurled segment 1c is installed on the right of left support section 1a
Section 1b, the external diameter of sensor magnet steel bracket component construction section 1b is more than the external diameter of left support section 1a, sensor magnet steel bracket component 2
On the knurled segment 1c of sensor magnet steel bracket component construction section 1b, the right of sensor magnet steel bracket component construction section 1b
It is distance piece 1d, the external diameter of distance piece 1d is more than the external diameter of sensor magnet steel bracket component construction section 1b, the right of distance piece 1d
It is main magnetic steel component construction section 1e, the external diameter of main magnetic steel component construction section 1e is more than the external diameter of distance piece 1d, and main magnetic steel component 3 is pacified
It is mounted on main magnetic steel component construction section 1e, is right support section on the right of main magnetic steel component construction section 1e；It is characterized in that：In isolation
One counterweight ring 4 manufactured with non-magnet material is installed, the external diameter of counterweight ring 4 is less than the external diameter of main magnetic steel component 3 on section 1d,
Counterweight ring 4 and distance piece 1d interference fits.
It is an advantage of the invention that：A kind of rotor structure of direct current brushless motor for being easy to dynamic balancing duplicate removal is proposed, can be not
In the case of affecting the whole machine magnetic property of motor, it is ensured that deduplication operation can be easily carried out during dynamic balancing, it is to avoid part
Scrap, improve the yield rate of rotor.One embodiment of the present of invention, tests prove that, the qualification rate of rotor from originally less than
50% brings up to 100%.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of motor shaft 1 in the present invention.
Specific embodiment
The present invention is described in further details below.Referring to Fig. 1,2, a kind of rotor structure of direct current brushless motor, it wrap
Include motor shaft 1, sensor magnet steel bracket component 2 and main magnetic steel component 3；Motor shaft 1 is a Step Shaft, motor shaft 1 from a left side to
The right side includes left support section 1a, has output gear in the left end of left support section 1a, is with knurled segment 1c on the right of left support section 1a
The external diameter of sensor magnet steel bracket component construction section 1b, sensor magnet steel bracket component construction section 1b is outer more than left support section 1a
Footpath, sensor magnet steel bracket component 2 is arranged on the knurled segment 1c of sensor magnet steel bracket component construction section 1b, sensor magnet steel
It is distance piece 1d on the right of bracket component construction section 1b, the external diameter of distance piece 1d is more than sensor magnet steel bracket component construction section 1b
External diameter, be main magnetic steel component construction section 1e on the right of distance piece 1d, the external diameter of main magnetic steel component construction section 1e is more than distance piece
The external diameter of 1d, main magnetic steel component 3 is arranged on main magnetic steel component construction section 1e, is right on the right of main magnetic steel component construction section 1e
Support section；It is characterized in that：One counterweight ring 4 manufactured with non-magnet material, the external diameter of counterweight ring 4 are installed on distance piece 1d
Less than the external diameter of main magnetic steel component 3, counterweight ring 4 and distance piece 1d interference fits.
Described counterweight ring 4 is using the manufacture of red copper, brass or aluminum alloy materials.
The present invention operation principle be：Counterweight ring 4 is increased on motor shaft 1, counterweight ring 4 adopts non-magnet material system
Make, do not affect the whole machine magnetic property of motor, when duplicate removal is needed during dynamic balancing, in the appropriate location duplicate removal of counterweight ring 4, protect
The high accuracy dynamic balancing of brushless DC motor is demonstrate,proved.
One embodiment of the present of invention, counterweight ring 4 is manufactured using red copper material.
Claims (2)
1. a kind of rotor structure of direct current brushless motor, it includes motor shaft (1), sensor magnet steel bracket component (2) and main magnet steel
Component (3)；Motor shaft (1) is a Step Shaft, and motor shaft (1) from left to right includes left support section (1a), in left support section
(1a) left end has output gear, is that the sensor magnet steel bracket component with knurled segment (1c) is installed on the right of left support section (1a)
Section (1b), the external diameter of sensor magnet steel bracket component construction section (1b) is more than the external diameter of left support section (1a), sensor magnet steel
Frame component (2) on the knurled segment (1c) of sensor magnet steel bracket component construction section (1b), sensor magnet steel bracket component
It is distance piece (1d) on the right of construction section (1b), the external diameter of distance piece (1d) is more than sensor magnet steel bracket component construction section (1b)
External diameter, be main magnetic steel component construction section (1e) on the right of distance piece (1d), the external diameter of main magnetic steel component construction section (1e) is more than
The external diameter of distance piece (1d), main magnetic steel component (3) on main magnetic steel component construction section (1e), main magnetic steel component construction section
(1e) it is right support section on the right of；It is characterized in that：One is provided with distance piece (1d) with matching somebody with somebody that non-magnet material is manufactured
Weight ring (4), the external diameter of counterweight ring (4) is less than the external diameter of main magnetic steel component (3), counterweight ring (4) and distance piece (1d) interference fit.
2. rotor structure of direct current brushless motor according to claim 1, it is characterised in that：Described counterweight ring (4) is adopted
The manufacture of red copper, brass or aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052361.6A CN106655606A (en) | 2016-11-24 | 2016-11-24 | Direct current brushless motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052361.6A CN106655606A (en) | 2016-11-24 | 2016-11-24 | Direct current brushless motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655606A true CN106655606A (en) | 2017-05-10 |
Family
ID=58811583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611052361.6A Pending CN106655606A (en) | 2016-11-24 | 2016-11-24 | Direct current brushless motor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655606A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04248345A (en) * | 1991-01-22 | 1992-09-03 | Asmo Co Ltd | Rotor of motor |
| CN2792005Y (en) * | 2005-05-24 | 2006-06-28 | 重庆德马变频电机研发制造有限公司 | Rotor balance block device for variable frequency motor |
| CN1797911A (en) * | 2004-12-24 | 2006-07-05 | 西北工业大学 | Rare earth permanent magnet brushless DC motor for dentistry chair seat |
| CN101083411A (en) * | 2006-05-30 | 2007-12-05 | 比亚迪股份有限公司 | Permanent-magnetic electric machine rotor magnet steel fixing structure |
| CN102237746A (en) * | 2010-05-07 | 2011-11-09 | 珠海格力电器股份有限公司 | Balance structure of rotary compressor and rotary compressor comprising same |
| CN102684340A (en) * | 2012-05-23 | 2012-09-19 | 佛山市威灵洗涤电机制造有限公司 | Permanent-magnet rotor with embedded magnetic steels |
| CN203416062U (en) * | 2013-08-02 | 2014-01-29 | 宁波安信数控技术有限公司 | Permanent magnetic motor rotor structure |
| CN204271776U (en) * | 2014-11-29 | 2015-04-15 | 江麓机电集团有限公司 | A kind of dynamic poise device of permanent-magnetic synchronous motor rotor |
| CN204597667U (en) * | 2015-05-28 | 2015-08-26 | 湘电莱特电气有限公司 | A kind of magneto rotor and comprise the motor of this rotor |
| CN205248965U (en) * | 2015-12-14 | 2016-05-18 | 杭州天聚隆电机有限公司 | Cast copper rotor goes heavily balanced loop to construct |
-
2016
- 2016-11-24 CN CN201611052361.6A patent/CN106655606A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04248345A (en) * | 1991-01-22 | 1992-09-03 | Asmo Co Ltd | Rotor of motor |
| CN1797911A (en) * | 2004-12-24 | 2006-07-05 | 西北工业大学 | Rare earth permanent magnet brushless DC motor for dentistry chair seat |
| CN2792005Y (en) * | 2005-05-24 | 2006-06-28 | 重庆德马变频电机研发制造有限公司 | Rotor balance block device for variable frequency motor |
| CN101083411A (en) * | 2006-05-30 | 2007-12-05 | 比亚迪股份有限公司 | Permanent-magnetic electric machine rotor magnet steel fixing structure |
| CN102237746A (en) * | 2010-05-07 | 2011-11-09 | 珠海格力电器股份有限公司 | Balance structure of rotary compressor and rotary compressor comprising same |
| CN102684340A (en) * | 2012-05-23 | 2012-09-19 | 佛山市威灵洗涤电机制造有限公司 | Permanent-magnet rotor with embedded magnetic steels |
| CN203416062U (en) * | 2013-08-02 | 2014-01-29 | 宁波安信数控技术有限公司 | Permanent magnetic motor rotor structure |
| CN204271776U (en) * | 2014-11-29 | 2015-04-15 | 江麓机电集团有限公司 | A kind of dynamic poise device of permanent-magnetic synchronous motor rotor |
| CN204597667U (en) * | 2015-05-28 | 2015-08-26 | 湘电莱特电气有限公司 | A kind of magneto rotor and comprise the motor of this rotor |
| CN205248965U (en) * | 2015-12-14 | 2016-05-18 | 杭州天聚隆电机有限公司 | Cast copper rotor goes heavily balanced loop to construct |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |