CN106208589A - Brushless electric machine for aluminum wood electric saw - Google Patents

Brushless electric machine for aluminum wood electric saw Download PDF

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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
Application number
CN201610597299.2A
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Chinese (zh)
Inventor
张健灵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Moist Magnetic Industry Co Ltd
Original Assignee
Nantong Moist Magnetic Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Moist Magnetic Industry Co Ltd filed Critical Nantong Moist Magnetic Industry Co Ltd
Priority to CN201610597299.2A priority Critical patent/CN106208589A/en
Publication of CN106208589A publication Critical patent/CN106208589A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/16Stator cores with slots for windings
    • H02K1/165Shape, form or location of the slots

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  • 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

Brushless electric machine for aluminum wood electric saw
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.
CN201610597299.2A 2016-07-26 2016-07-26 Brushless electric machine for aluminum wood electric saw Pending CN106208589A (en)

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
CN106208589A true CN106208589A (en) 2016-12-07

Family

ID=57496350

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610597299.2A Pending CN106208589A (en) 2016-07-26 2016-07-26 Brushless electric machine for aluminum wood electric saw

Country Status (1)

Country Link
CN (1) CN106208589A (en)

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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

RJ01 Rejection of invention patent application after publication