CN106208589A - Brushless electric machine for aluminum wood electric saw - Google Patents
Brushless electric machine for aluminum wood electric saw Download PDFInfo
- Publication number
- CN106208589A CN106208589A CN201610597299.2A CN201610597299A CN106208589A CN 106208589 A CN106208589 A CN 106208589A CN 201610597299 A CN201610597299 A CN 201610597299A CN 106208589 A CN106208589 A CN 106208589A
- Authority
- CN
- China
- Prior art keywords
- electric machine
- aluminum wood
- electric saw
- brushless electric
- punching
- 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
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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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
This application discloses a kind of brushless electric machine for aluminum wood electric saw, including stator and rotor, stator is provided with punching, punching is provided with endoporus and punching groove, punching groove is set to semi-enclosed, punching groove connects with endoporus, punching groove is provided with lateral surface, medial surface, first side and the second side, lateral surface is set to cambered surface, first side and the second side are plane, first side and the second side are symmetrical arranged, medial surface is set to two symmetrical inclined-planes, first side and second side of adjacent punching groove are parallel to each other, by using brushless electric machine, can solve the problem that aluminum wood electric saw weight is big, energy consumption is high, the problem that noise is big and fault rate is high.
Description
Technical field
The disclosure relates generally to electric saw field, is specifically related to aluminum wood electric saw field, particularly relates to a kind of for aluminum wood electric saw
Brushless electric machine.
Background technology
Aluminum wood electric saw is a kind of in electric tool, is favored by client because of light and handy, portable, simple to operate, the market demand
Amount is annual with 20% speed increment.Traditional electric saw is by brush direct current motor or Asynchronous Motor Driving, and shortcoming is weight
Greatly, energy consumption is high, and noise and fault rate are high, lacks the protections such as overheated and overload, and particularly brush direct current motor working life only has 1
Thousand hours, needing often to change brush, maintenance cost is high.
Summary of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to provide that a kind of weight is little, energy consumption is low, being used for of good heat dissipation
The brushless electric machine of aluminum wood electric saw.
First aspect, the brushless electric machine for aluminum wood electric saw of the present invention, including stator and rotor, stator is provided with punching
Sheet, punching is provided with endoporus and punching groove, and punching groove is set to semi-enclosed, and punching groove connects with endoporus, and punching groove is provided with
Lateral surface, medial surface, the first side and the second side, lateral surface is set to cambered surface, and the first side and the second side are plane,
First side and the second side are symmetrical arranged, and medial surface is set to two symmetrical inclined-planes, the first side of adjacent punching groove
It is parallel to each other with the second side.
The technical scheme provided according to the embodiment of the present application, by using brushless electric machine, it is possible to solve aluminum wood electric saw weight
Greatly, the problem that energy consumption is high, noise is big and fault rate is high.
Accompanying drawing explanation
By the detailed description that non-limiting example is made made with reference to the following drawings of reading, other of the application
Feature, purpose and advantage will become more apparent upon:
Fig. 1 is the structural representation of the punching of the brushless electric machine for aluminum wood electric saw of embodiments of the invention;
Fig. 2 is the structural representation of the magnet steel of the brushless electric machine for aluminum wood electric saw of embodiments of the invention;
Fig. 3 is the magnetic line of force scattergram of the brushless electric machine for aluminum wood electric saw of embodiments of the invention;
Fig. 4 is the torque rotary speed figure of the brushless electric machine for aluminum wood electric saw of embodiments of the invention;
Fig. 5 is the current waveform figure of the brushless electric machine for aluminum wood electric saw of embodiments of the invention.
Detailed description of the invention
With embodiment, the application is described in further detail below in conjunction with the accompanying drawings.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to this invention.It also should be noted that, in order to
It is easy to describe, accompanying drawing illustrate only and invent relevant part.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1 to Fig. 5, the brushless electric machine for aluminum wood electric saw of the present invention, including stator and rotor, stator is arranged
Having punching, punching to be provided with endoporus and punching groove, punching groove is set to semi-enclosed, and punching groove connects with endoporus, and punching groove sets
Being equipped with lateral surface, medial surface, the first side and the second side, lateral surface is set to cambered surface, and the first side and the second side are
Plane, the first side and the second side are symmetrical arranged, and medial surface is set to two symmetrical inclined-planes, the first of adjacent punching groove
Side and the second side are parallel to each other.
In an embodiment of the present invention, punching groove is set to semi-enclosed, and punching groove connects with endoporus, it is simple to brushless electric machine
Dispel the heat in the course of the work, use brushless electric machine without changing brush simultaneously, alleviate the weight of aluminum wood electric saw, reduce
The maintenance cost of aluminum wood electric saw, extends the life-span of aluminum wood electric saw, reduces energy consumption and the fault rate of aluminum wood electric saw.
Further, the external diameter of stator is 59-61.5mm, a diameter of 49-51mm of lateral surface.
Further, the external diameter of stator is 60mm, a diameter of 50mm of lateral surface.
In an embodiment of the present invention, the external diameter of stator is 59-61.5mm, it is preferred that the external diameter of stator is 60mm, outside
A diameter of 49-51mm in face, it is preferred that a diameter of 50mm of lateral surface, considerably reduces the weight and volume of motor.
Further, a diameter of 29-30mm of endoporus.
Further, a diameter of 29.7mm of endoporus.
Further, the quantity of punching groove is 6, and punching groove is equidistantly distributed on stator.
Further, the lateral surface of stator is provided with welding groove, is provided with projection in the middle of welding groove, and protruding height is less than
The degree of depth of welding groove.
In an embodiment of the present invention, in the middle of welding groove, it is provided with projection, conveniently stator and shell is welded and fixed.
Further, the quantity of welding groove is 3, and welding groove is equidistantly distributed in the lateral surface of stator.
In an embodiment of the present invention, stator and shell are sufficiently welded and fixed, it is to avoid produce relative motion, carry
The reliability of high motor and service life.
Further, rotor is provided with magnet steel, and magnet steel is set to arc.
Further, the radius of the outside cambered surface of magnet steel is 14.5mm, and the radius of the inner side cambered surface of magnet steel is 12mm, magnet steel
Quantity be 4.
In an embodiment of the present invention, the angle between the centrage of adjacent two magnet steel is 90 degree, and brushless electric machine uses
120 degree of commutations, improve the maximum speed of motor, it is ensured that motor possesses high overload ability and large inertia with satisfied use ring
Border, it is to avoid stuck phenomenon in use occurs in electric saw.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, also should contain in the case of without departing from described inventive concept simultaneously, above-mentioned technical characteristic or its equivalent feature carry out
Combination in any and other technical scheme of being formed.Such as features described above has similar merit with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. the brushless electric machine for aluminum wood electric saw, it is characterised in that include that stator and rotor, described stator are provided with punching
Sheet, described punching is provided with endoporus and punching groove, and described punching groove is set to semi-enclosed, and described punching groove is with described endoporus even
Logical, described punching groove is provided with lateral surface, medial surface, the first side and the second side, and described lateral surface is set to cambered surface, described
First side and described second side are plane, described first side and described second side and are symmetrical arranged, described medial surface
Being set to two symmetrical inclined-planes, described first side and described second side of adjacent described punching groove are parallel to each other.
Brushless electric machine for aluminum wood electric saw the most according to claim 1, it is characterised in that the external diameter of described stator is
59-61.5mm, a diameter of 49-51mm of described lateral surface.
Brushless electric machine for aluminum wood electric saw the most according to claim 2, it is characterised in that the external diameter of described stator is
60mm, a diameter of 50mm of described lateral surface.
Brushless electric machine for aluminum wood electric saw the most according to claim 1, it is characterised in that described endoporus a diameter of
29-30mm。
Brushless electric machine for aluminum wood electric saw the most according to claim 4, it is characterised in that described endoporus a diameter of
29.7mm。
6. according to the brushless electric machine for aluminum wood electric saw described in any one of claim 1-5, it is characterised in that described punching groove
Quantity be 6, described punching groove is equidistantly distributed on described stator.
7. according to the brushless electric machine for aluminum wood electric saw described in any one of claim 1-5, it is characterised in that described stator
Lateral surface is provided with welding groove, is provided with projection in the middle of described welding groove, and the height of described projection is deep less than described welding groove
Degree.
Brushless electric machine for aluminum wood electric saw the most according to claim 7, it is characterised in that the quantity of described welding groove is
3, described welding groove is equidistantly distributed in the lateral surface of described stator.
9. according to the brushless electric machine for aluminum wood electric saw described in any one of claim 1-5, it is characterised in that described rotor sets
Being equipped with magnet steel, described magnet steel is set to arc, and the quantity of described magnet steel is 4.
Brushless electric machine for aluminum wood electric saw the most according to claim 9, it is characterised in that the lateral arcs of described magnet steel
The radius in face is 14.5m, and the radius of the inner side cambered surface of described magnet steel is 12mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610597299.2A CN106208589A (en) | 2016-07-26 | 2016-07-26 | Brushless electric machine for aluminum wood electric saw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610597299.2A CN106208589A (en) | 2016-07-26 | 2016-07-26 | Brushless electric machine for aluminum wood electric saw |
Publications (1)
Publication Number | Publication Date |
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CN106208589A true CN106208589A (en) | 2016-12-07 |
Family
ID=57496350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201610597299.2A Pending CN106208589A (en) | 2016-07-26 | 2016-07-26 | Brushless electric machine for aluminum wood electric saw |
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CN (1) | CN106208589A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009050098A (en) * | 2007-08-21 | 2009-03-05 | Daikin Ind Ltd | Stator, manufacturing method therefor and compressor |
CN102629811A (en) * | 2012-03-05 | 2012-08-08 | 浙江亿利达风机股份有限公司 | Brushless direct current motor |
CN202759296U (en) * | 2012-06-26 | 2013-02-27 | 重庆神驰机电有限公司 | Novel stator iron core for vehicle motors |
CN204696815U (en) * | 2015-07-03 | 2015-10-07 | 宁波华誉电机有限公司 | Permanent-magnetic synchronous motor stator structure |
CN105328263A (en) * | 2014-05-30 | 2016-02-17 | 浙江绿动电机科技有限公司 | Round saw |
CN206117462U (en) * | 2016-07-26 | 2017-04-19 | 南通市润泽磁业有限公司 | A brushless motor for aluminum -wood electric saw |
-
2016
- 2016-07-26 CN CN201610597299.2A patent/CN106208589A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009050098A (en) * | 2007-08-21 | 2009-03-05 | Daikin Ind Ltd | Stator, manufacturing method therefor and compressor |
CN102629811A (en) * | 2012-03-05 | 2012-08-08 | 浙江亿利达风机股份有限公司 | Brushless direct current motor |
CN202759296U (en) * | 2012-06-26 | 2013-02-27 | 重庆神驰机电有限公司 | Novel stator iron core for vehicle motors |
CN105328263A (en) * | 2014-05-30 | 2016-02-17 | 浙江绿动电机科技有限公司 | Round saw |
CN204696815U (en) * | 2015-07-03 | 2015-10-07 | 宁波华誉电机有限公司 | Permanent-magnetic synchronous motor stator structure |
CN206117462U (en) * | 2016-07-26 | 2017-04-19 | 南通市润泽磁业有限公司 | A brushless motor for aluminum -wood electric saw |
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RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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RJ01 | Rejection of invention patent application after publication |