CN102598482B - Insulating structure for concentrated winding motor - Google Patents

Insulating structure for concentrated winding motor Download PDF

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Publication number
CN102598482B
CN102598482B CN201080051045.1A CN201080051045A CN102598482B CN 102598482 B CN102598482 B CN 102598482B CN 201080051045 A CN201080051045 A CN 201080051045A CN 102598482 B CN102598482 B CN 102598482B
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Prior art keywords
insulation
face
insulation division
division
distance
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CN201080051045.1A
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CN102598482A (en
Inventor
东义高
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Meidensha Corp
Meidensha Electric Manufacturing Co Ltd
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Meidensha Electric Manufacturing Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/325Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/32Windings characterised by the shape, form or construction of the insulation
    • H02K3/34Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
    • 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
    • H02K1/18Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/52Fastening salient pole windings or connections thereto
    • H02K3/521Fastening salient pole windings or connections thereto applicable to stators only
    • H02K3/522Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles

Abstract

A bobbin formed with a stator coil (30) having a stator winding (3) wound thereupon in a concentrated manner is inserted into a divided iron core (1). An insulating paper (100) covers three of the outer circumference surfaces of the stator coil (30); the inserted insulation part of the insulating paper (100) on the side of the rotor being inserted between flange section (2b) of the bobbin and the stator coil (30), and the inserted insulation part of the insulating paper (100) on the opposite side of the rotor being inserted between flange section (2c) of the bobbin and the divided iron core (1). Then, the insulating paper (100) is secured by sticking a tape (200) on the remaining outer circumference surface of the stator coil (30). As a consequence, the insulating properties of the concentrated winding motor are improved, and the man-hour required for work related to insulating is reduced.

Description

Concentrate the insulation structure of winding motor
Technical field
The present invention relates to a kind of insulation structure of concentrated winding motor, manage to improve insulation property, and reduce insulation the number of working processes.
background technology
In order to realize the high output of motor, following such motor is put to practicality, and this motor uses the divided-iron core of stator core being cut apart in circumferential many places and form, and the concentrated stator electric wire that is wound with.
Fig. 5 is the stereogram that represents that motor as described above is used, is wound with the existing structure of the divided-iron core of stator electric wire, and Fig. 6 is its cutaway view.
As shown in two figure, divided-iron core 1 forms a part for the stator core of motor, by making the multiple divided-iron cores 1 that are configured to this kind of structure along circumferentially link, combination, forms stator core.Conversely, divided-iron core 1 is by stator core is separated and formed in circumferential many places.
Skeleton 2 comprises: skeleton main body 2a, and it is formed as tubular; Flange part 2b, it is formed on an end face side (end face of rotor-side) of skeleton main body 2a; Flange part 2c, it is formed on the other end side (end face of the opposition side of rotor-side) of skeleton main body 2a.
Utilize concentrate the winding mode of winding on this skeleton 2, reels (go here and there around) have stator electric wire 3.By the stator electric wire 3 of reeling by this way, form stator coil 30.
The skeleton 2 that is wound with stator electric wire 3 is sleeved on divided-iron core 1 and is fixed on divided-iron core 1.
As shown in Figure 7, by making multiple divided-iron cores 1 that are fixed with in the above described manner skeleton 2 along circumferentially link, in conjunction with forming stator, above-mentioned skeleton 2 is wound with stator electric wire 3.
In addition, in Fig. 5, Reference numeral " 3a " represents " the coiling originating port line " of stator electric wire 3, and Reference numeral " 3b " represents " reel and finish a mouthful line " of stator electric wire 3.Boundary line (line dotting in Fig. 3) bends and is inserted between divided-iron core 1 and opposite side flange part 2c.
In addition, be the position of the outer peripheral face of stator coil 30 in order to specify the stator electric wire 3 being wound, using i.e. " stator coil 30 " of the stator electric wire 3(that reels complete in Fig. 5) outer peripheral face in front of the face of side as a side end face A of axis direction, opposite side end face B using the face of the opposition side of this end face A as axis direction, using the face in left side in Fig. 5 as a circumferential side end face C, describe the face of the opposition side of this end face C as circumferential opposite side end face D.
Prior art document
Patent documentation
Patent documentation 1: No. 22674 communiques of TOHKEMY 2008 –
Patent documentation 2: No. 61286 communiques of TOHKEMY 2003 –
Patent documentation 3: No. 5353 communiques of Japanese Patent Publication 6 –
Summary of the invention
The problem that invention will solve
But, in above-mentioned prior art, there is following problems.
(1) be difficult to fixing wound and finish mouthful line 3b(with reference to Fig. 5), in the time connecting operation, there is electric wire at the stator electric wire 3 of opposition side (being the opposite side end face B side of axis direction) that connects operation and rock in the example of Fig. 5 and Fig. 6.
(2) be difficult to guarantee adjacent stator coil 30 insulating space distance alpha (with reference to Fig. 7) to each other.
(3) be difficult to guarantee the creepage distance β (with reference to Fig. 7) between iron core (divided-iron core 1) and electric wire 3.
(4) wanting by guaranteeing that in the case of clamping rectangular insulating paper between adjacent stator coil 30 adjacent stator coil 30 insulation to each other, insulating paper may come off, so must implement slip-off preventing countermeasure.In the time implementing the slip-off preventing countermeasure of this insulating paper, insulation the number of working processes increases, and insulation structure is complicated, and causes the maximization of motor.
(5) in the time wanting to use insulating tape to implement insulation, insulation significantly increases man-hour.
The present invention is in view of above-mentioned prior art, and object is to provide a kind of insulation structure that can improve insulation property and can reduce the concentrated winding motor of insulation the number of working processes.
For the scheme of dealing with problems
The structure of the present invention addressing the above problem is to concentrate the insulation structure of winding motor, utilize and concentrate the winding mode of winding on skeleton, to reel stator electric wire and form stator coil, the above-mentioned skeleton that is wound with said stator electric wire is sleeved on divided-iron core, above-mentioned skeleton comprises: skeleton main body, and it is formed as tubular; One side flange portion, it is formed on the end face of above-mentioned skeleton main body rotor side; Opposite side flange part, it is formed on the end face of opposition side of above-mentioned skeleton main body rotor side, and the insulation structure of this concentrated winding motor is characterised in that,
Utilize the adhesive tape of insulating paper and insulating properties to implement insulation,
Using the coiling originating port line of the said stator electric wire in the outer peripheral face of said stator coil with reel and finish mouthful residing the side end face as axis direction of line, opposite side end face using the face of the opposition side of this side end face as axis direction, using all the other two faces as a circumferential side end face with in the situation of circumferential opposite side end face
Above-mentioned insulating paper comprises:
Insulation distance guarantees that it covers a circumferential side end face with the 1st insulation division;
Insulation distance guarantees that it covers circumferential opposite side end face with the 2nd insulation division;
Linking part, it is disposed at the opposite side end face of axis direction, and links above-mentioned insulation distance and guarantee to guarantee with the 2nd insulation division with the 1st insulation division and above-mentioned insulation distance;
The 1st inserts insulation division, and it guarantees to extend with the limit of the 1st insulation division rotor side from above-mentioned insulation distance, and along and above-mentioned insulation distance guarantee bend and be inserted between said stator coil and an above-mentioned side flange portion with the boundary line of the 1st insulation division;
The 2nd inserts insulation division, it guarantees to extend with the limit of the opposition side of the 1st insulation division rotor side from above-mentioned insulation distance, and along and above-mentioned insulation distance guarantee bend and be inserted between above-mentioned divided-iron core and above-mentioned opposite side flange part with the boundary line of the 1st insulation division;
The 3rd inserts insulation division, and it guarantees to extend with the limit of the 2nd insulation division rotor side from above-mentioned insulation distance, and along and above-mentioned insulation distance guarantee bend and be inserted between said stator coil and an above-mentioned side flange portion with the boundary line of the 2nd insulation division;
The 4th inserts insulation division, it guarantees the limit extension with the opposition side of the 2nd insulation division rotor side from above-mentioned insulation distance, and edge and above-mentioned insulation distance are guaranteed with the boundary line bending of the 2nd insulation division and are inserted between above-mentioned divided-iron core and above-mentioned opposite side flange part
The adhesive tape of above-mentioned insulating properties spreads all over and configures and be bonded in above-mentioned insulation distance and guarantee to guarantee with on the 2nd insulation division with a side end face and the above-mentioned insulation distance of the axis direction of the 1st insulation division, said stator coil.
Invention effect
Adopt the present invention, only by insulating paper is entangled on stator coil, and the insertion insulation division of insulating paper is inserted in the gap between stator coil and skeleton, just can complete insulation operation, therefore reduce insulation the number of working processes.
In addition, by being set, the insulation distance of insulating paper guarantees to guarantee, with the 2nd insulation division, can improve the dielectric strength between adjacent stator coil with the 1st insulation division and insulation distance.
In addition, finish the face of the opposition side of mouthful line by utilizing linking part to press coiling, can in the time connecting operation, prevent electric wire and rock.
In addition,, by the insertion insulation division of insulating paper being inserted between the flange part of skeleton and stator coil and between the flange part and divided-iron core of skeleton, can easily improve insulation property (creepage distance) and fixed insulation paper.
Accompanying drawing explanation
Fig. 1 is the stereogram that represents the insulation structure of the concentrated winding motor of embodiments of the invention.
Fig. 2 is the stereogram of having opened the insulation structure of the concentrated winding motor of the state representation embodiments of the invention of insulating paper.
Fig. 3 is the expanded view that represents the insulation structure of concentrated winding motor of embodiments of the invention insulating paper used.
Fig. 4 is the stereogram that represents the stator of the insulation structure of the concentrated winding motor with embodiments of the invention.
Fig. 5 is the stereogram that represents the insulation structure of the concentrated winding motor of prior art.
Fig. 6 is the cutaway view that represents the insulation structure of the concentrated winding motor of prior art.
Fig. 7 is the stereogram that represents the stator of the insulation structure of the concentrated winding motor with prior art.
Embodiment
Describe embodiments of the present invention in detail based on embodiment below.In addition, for the part that plays function same as the prior art, mark identical Reference numeral and describe.
Embodiment
Fig. 1 and Fig. 2 represent the insulation structure of the concentrated winding motor of embodiments of the invention.As shown in two figure, on the divided-iron core 1 of a part of stator core that forms motor, suit is fixed with skeleton 2, and this skeleton 2 is wound with stator electric wire 3.
In addition, skeleton 2 comprises: skeleton main body 2a, and it is formed as tubular; Flange part 2b, it is formed on an end face side (end face of rotor-side) of skeleton main body 2a; Flange part 2c, it is formed on the other end side (end face of the opposition side of rotor-side) of skeleton main body 2a.In addition, skeleton 2 is by the middle body at axis direction is radially combined by two two combined frames cutting apart.
Utilize concentrate the winding mode of winding on skeleton 2, reels (string around) have stator electric wire 3 and formation stator coil 30.
The coiling originating port line 3a of stator electric wire 3 and the end mouthful line 3b that reels are positioned on a side end face A of axis direction of stator coil 30.
Structure described above is identical with the prior art shown in Fig. 5 and Fig. 6.
In the present embodiment, utilize the insulating paper 100 shown in expanded view in the adhesive tape 200 of insulating properties and Fig. 3 to implement insulation.
As shown in FIG. 1 to 3, insulating paper 100 is guaranteed to guarantee that with the 1st insulation division 101, insulation distance inserting insulation division 121~4th insertion insulation division 124 with the 2nd insulation division 102, linking part 110, the 1st forms by insulation distance.
Insulation distance is guaranteed a side end face C circumferential in the outer peripheral face with the 1st insulation division 101 covering stator coils 30.
Insulation distance is guaranteed opposite side end face D circumferential in the outer peripheral face with the 2nd insulation division 102 covering stator coils 30.
The opposite side end face B of the outer peripheral face axis direction of linking part 110 covering stator coils 30, linking part 110 links insulation distance to be guaranteed to guarantee with the 2nd insulation division 102 with the 1st insulation division 101 and insulation distance.
The 1st inserts insulation division 121 guarantees to extend with the limit of the 1st insulation division 101 rotor sides (upside in Fig. 3) from insulation distance, and along and insulation distance guarantee that the boundary line (line dotting in Fig. 3) with the 1st insulation division 101 bends and is inserted between stator coil 30 and a 2b of side flange portion.
The 2nd inserts insulation division 122 guarantees to extend with the limit of the opposition side (downside of Fig. 3) of the 1st insulation division 101 rotor sides from insulation distance, and along and insulation distance guarantee that the boundary line (line dotting in Fig. 3) with the 1st insulation division 101 bends and is inserted between divided-iron core 1 and opposite side flange part 2c.
The 3rd inserts insulation division 123 guarantees to extend with the limit of the 2nd insulation division 102 rotor sides (upside of Fig. 3) from insulation distance, and along and insulation distance guarantee that the boundary line (line dotting in Fig. 3) with the 2nd insulation division 102 bends and is inserted between stator coil 30 and a 2b of side flange portion.
The 4th inserts insulation division 124 guarantees to extend with the limit of the opposition side (downside of Fig. 3) of the 2nd insulation division 102 rotor sides from insulation distance, and along and insulation distance guarantee that the boundary line (line dotting in Fig. 3) with the 2nd insulation division 102 bends and is inserted between divided-iron core 1 and opposite side flange part 2c.
In the time implementing insulation, as depicted in figs. 1 and 2, utilize insulation distance to guarantee to cover a circumferential side end face C with the 1st insulation division 101, utilize insulation distance to guarantee to cover circumferential opposite side end face D with the 2nd insulation division 102, utilize linking part 110 to cover the opposite side end face B of axis direction, thereby insulating paper 100 is wrapped on stator coil 30.
In addition, the 1st insertion insulation division 121 edges and insulation distance are guaranteed to boundary line (line dotting in Fig. 3) bending with the 1st insulation division 101 and are inserted between stator coil 30 and a 2b of side flange portion.
The 2nd insertion insulation division 122 edges and insulation distance are guaranteed to boundary line (line dotting in Fig. 3) bending with the 1st insulation division 101 and are inserted between divided-iron core 1 and opposite side flange part 2c.
The 3rd insertion insulation division 123 edges and insulation distance are guaranteed to boundary line (line dotting in Fig. 3) bending with the 2nd insulation division 102 and are inserted between stator coil 30 and a 2b of side flange portion.
The 4th insertion insulation division 124 edges and insulation distance are guaranteed to boundary line (line dotting in Fig. 3) bending with the 2nd insulation division 102 and are inserted between divided-iron core 1 and opposite side flange part 2c.
Then, spread all over insulation distance and guarantee to guarantee the adhesive tape 200 by the 2nd insulation division 102 ground configurations bonding insulating properties with a side end face A and the insulation distance of the axis direction of the 1st insulation division 101, stator coil 30, thereby complete insulation processing.
As shown in Figure 4, by multiple circumferentially link, combinations of divided-iron cores 1 edge of having implemented like that insulation with the state shown in Fig. 1, thereby form stator.
In the present embodiment, only by being guaranteed, the insulation distance of insulating paper 100 guarantees to be wrapped on stator coil 30 with the 2nd insulation division 102 with the 1st insulation division 101, linking part 110 and insulation distance, the 1st insertion insulation division 121 and the 3rd is inserted to insulation division 123 to be inserted in the flange part 2b of skeleton 2 and the gap of stator coil 30, the 2nd insertion insulation division 122 and the 4th is inserted to insulation division 124 and be inserted in the flange part 2c of skeleton 2 and the gap of divided-iron core 1, just can complete insulation operation.Therefore, insulation operation is easily carried out, and can reduce insulation the number of working processes.
In addition, press the opposite side end face B of the outer peripheral face axis direction of stator coil 30 by utilizing linking part 110, utilize a side end face A of adhesive tape 200 fixed axis directions, can finish a mouthful line 3b by fixing wound, in the time connecting operation, there is electric wire and rock in the stator electric wire 3 that can prevent end face B side.
In addition, guarantee to guarantee, with the 2nd insulation division 102, can improve the dielectric strength of 30 of adjacent stator coils with the 1st insulation division 101 and insulation distance by possessing insulation distance.
In addition, be inserted between stator coil 30 and a 2b of side flange portion by the 1st insertion insulation division 121 and the 3rd is inserted to insulation division 123, can prevent that insulating paper 100 from flying out outside stator.
In addition, insert insulation division 124 and be inserted between divided-iron core 1 and opposite side flange part 2c by inserting insulation division 122 and the 4th by the 2nd, can guarantee creepage distance, and can fixed insulation paper 100, prevent that stator electric wire 3 from exposing from insulating paper 100.
Description of reference numerals
1, divided-iron core; 2, skeleton; 2a, skeleton main body; 2b, 2c, flange part; 3, stator electric wire; 3a, coiling originating port line; 3b, the end mouthful line of reeling; 30, stator coil; 100, insulating paper; 101, insulation distance is guaranteed with the 1st insulation division; 102, insulation distance is guaranteed with the 2nd insulation division; 103, linking part; 121, the 1st insert insulation division; 122, the 2nd insert insulation division; 123, the 3rd insert insulation division; 124, the 4th insert insulation division; 200, adhesive tape; One side end face of A, axis direction; The opposite side end face of B, axis direction; C, a circumferential side end face; D, circumferential opposite side end face; α, insulating space distance; β, creepage distance.

Claims (1)

1. the insulation structure of a concentrated winding motor, the insulation structure utilization of this concentrated winding motor concentrates the winding mode of winding on skeleton, to reel stator electric wire and form stator coil, the described skeleton that is wound with described stator electric wire is sleeved on divided-iron core, described skeleton comprises: skeleton main body, and it is formed as tubular; One side flange portion, it is formed on the end face of described skeleton main body rotor side; Opposite side flange part, it is formed on the end face of opposition side of described skeleton main body rotor side, and the insulation structure of this concentrated winding motor is characterised in that,
Utilize the adhesive tape of insulating paper and insulating properties to implement insulation,
Using the coiling originating port line of the described stator electric wire in the outer peripheral face of described stator coil with reel and finish mouthful residing the side end face as axis direction of line, opposite side end face using the face of the opposition side of this side end face as axis direction, using all the other two faces as a circumferential side end face with in the situation of circumferential opposite side end face
Described insulating paper comprises: insulation distance guarantees that it covers a circumferential side end face with the 1st insulation division; Insulation distance guarantees that it covers circumferential opposite side end face with the 2nd insulation division; Linking part, it is disposed at the opposite side end face of axis direction, and links described insulation distance and guarantee to guarantee with the 2nd insulation division with the 1st insulation division and described insulation distance; The 1st inserts insulation division, and it guarantees to extend with the limit of the 1st insulation division rotor side from described insulation distance, and along and described insulation distance guarantee bend and be inserted between described stator coil and a described side flange portion with the boundary line of the 1st insulation division; The 2nd inserts insulation division, it guarantees to extend with the limit of the opposition side of the 1st insulation division rotor side from described insulation distance, and along and described insulation distance guarantee bend and be inserted between described divided-iron core and described opposite side flange part with the boundary line of the 1st insulation division; The 3rd inserts insulation division, and it guarantees to extend with the limit of the 2nd insulation division rotor side from described insulation distance, and along and described insulation distance guarantee bend and be inserted between described stator coil and a described side flange portion with the boundary line of the 2nd insulation division; The 4th inserts insulation division, it guarantees the limit extension with the opposition side of the 2nd insulation division rotor side from described insulation distance, and edge and described insulation distance are guaranteed with the boundary line bending of the 2nd insulation division and are inserted between described divided-iron core and described opposite side flange part
The adhesive tape of described insulating properties spreads all over and configures and be bonded in described insulation distance and guarantee to guarantee with on the 2nd insulation division with a side end face and the described insulation distance of the axis direction of the 1st insulation division, described stator coil.
CN201080051045.1A 2009-11-12 2010-10-20 Insulating structure for concentrated winding motor Active CN102598482B (en)

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JP2009-258485 2009-11-12
JP2009258485A JP5515656B2 (en) 2009-11-12 2009-11-12 Insulation structure of concentrated winding motor
PCT/JP2010/068425 WO2011058853A1 (en) 2009-11-12 2010-10-20 Insulating structure for concentrated winding motor

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WO2014068695A1 (en) * 2012-10-31 2014-05-08 三菱電機株式会社 Coil for rotary electric machine and rotary electric machine
DE102012224012A1 (en) * 2012-12-20 2014-06-26 Tyco Electronics Belgium Ec Bvba Spool for mounting on a magnetic core, reluctance resolver and method of manufacture
CN103944298A (en) * 2013-12-30 2014-07-23 上海大郡动力控制技术有限公司 Tooth part splicing type insulating framework used for concentrated coiler motor
CN107104531B (en) * 2017-06-13 2023-06-06 珠海格力节能环保制冷技术研究中心有限公司 Stator insulation framework, stator assembly and motor
KR102191128B1 (en) * 2019-04-05 2020-12-16 엘지전자 주식회사 Motor part and electric compressor including the same
KR102593387B1 (en) 2021-09-28 2023-10-24 엘지전자 주식회사 Motor assembly
KR20230057837A (en) 2021-10-22 2023-05-02 엘지전자 주식회사 Motor assembly

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KR101390525B1 (en) 2014-05-02
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WO2011058853A1 (en) 2011-05-19
CN102598482A (en) 2012-07-18
JP5515656B2 (en) 2014-06-11

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