CN109167447A - A kind of assembling structure of water-cooled stator - Google Patents
A kind of assembling structure of water-cooled stator Download PDFInfo
- Publication number
- CN109167447A CN109167447A CN201811356392.XA CN201811356392A CN109167447A CN 109167447 A CN109167447 A CN 109167447A CN 201811356392 A CN201811356392 A CN 201811356392A CN 109167447 A CN109167447 A CN 109167447A
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- CN
- China
- Prior art keywords
- stator
- winding
- straightway
- straight
- slot
- 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.)
- Withdrawn
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Classifications
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
Abstract
The invention discloses a kind of assembling structures of water-cooled stator, including casing and stator core, stator core includes stator yoke, stator yoke inner edge forms stator tooth, the stator slot for placing winding is formed between two neighboring stator tooth, each winding includes straightway winding and End winding, straight copper tube perforation is circumferentially evenly distributed on stator core, fitting wears straight copper tube in straight copper tube perforation, straight copper tube successively joins end to end to form cooling duct by connecting copper pipe, the both ends of cooling duct are all connected with water receiving pipe, the same side end of two straightway windings of the same winding is wound with binding strap.The fixed reliable and temperature of End winding of the invention is lower.
Description
Technical field
The present invention relates to the technical fields of motor stator, more particularly, to a kind of assembling structure of water-cooled stator.
Background technique
The stator of motor generally comprises stator core and stator winding, and stator winding is divided into two straightway windings and two
The End winding at end, wherein straightway winding is placed in stator slot and is fixed by slot wedge, in the prior art, stator around
The End winding fixation of group is bad, easily deforms, and so as to cause the decline of the insulation abrasion and dielectric level of winding, causes
Motor damage.
Heat caused by straightway winding can be transferred to stator core and machine to realize heat dissipation, and End winding is hanging
, heat can not be transmitted and be exhaled, and it is low so as to cause the straightway winding temperature of stator winding, and End winding temperature
Height, long-play End winding easily overheat, and cause burnout failure.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of assembling structure of water-cooled stator is provided, is held
Winding fixed reliable and temperature in portion's is lower.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of assembling structure of water-cooled stator, including casing and elastic conjunction casing inner wall stator core, it is described fixed
Sub- iron core includes the stator yoke of annular, and the stator yoke inner edge extends inwardly to form circumferentially uniformly distributed stator tooth, and adjacent two
The stator slot for placing winding is formed between a stator tooth, the quantity of the winding is the half of the quantity of stator tooth, winding winding
It is wound with winding on the stator teeth and at interval of a stator tooth, each winding includes two straightway windings, two straightways
The same side end of winding is connected by arc-shaped End winding, and each straightway winding is through a corresponding stator slot and every
Completely cut off between a straightway winding and a corresponding stator slot by winding insulation paper, it is circumferential equal on the stator core
The perforation of cloth straight copper tube, each interior fitting of straight copper tube perforation wear a straight copper tube, the quantity of the straight copper tube and the number of winding
Measure equal, all straight copper tubes successively join end to end to form cooling duct by connecting copper pipe, and the both ends of the cooling duct connect
It is connected to water receiving pipe, the connecting copper pipe includes the connection straight tube for being connected respectively to two adjacent straight copper tubes of the same end, each
A straight copper tube corresponding thereto is inserted into fitting to connection straight tube with one heart and the two is welded and fixed, the outer end of two connection straight tubes
Integrally formed with the interior straight tube of perpendicular distribution, each interior straight tube is bonded the outside of an End winding corresponding thereto
Edge, two interior straight tubes on the same connecting copper pipe are connected by connection tube, two straightway windings of the same winding it is same
Side end is wound with a binding strap, and the binding strap includes the outer cross for being bonded two straightway winding outer end faces of same winding
Band body, the both ends of the outer cross band body are bonded respectively along the lateral wall of two straightway windings extends to form outer longitudinal bands body, and two
A outer longitudinal bands body extends to form interior cross band body, two interior cross band body difference respectively along the inner face fitting of two straightway windings
Interior longitudinal bands body, straight copper of two interior longitudinal bands bodies at corresponding place are extended to form along the inner sidewall fitting of two straightway windings
Pipe periphery is formed by knots tied connector.
The circumferentially uniformly distributed inwardly projecting block of one end inner wall of the casing, casing inner wall are circumferentially uniformly distributed pre-and post perforative recessed
Slot, the block and groove are arranged in a staggered manner.
The outer rim of the stator core is circumferentially evenly distributed with cramp slot, and stator core is bonded to each other by multiple silicon steel sheets into simultaneously
It is inserted into cramp in cramp slot, fixation is attached to multiple silicon steel sheets, the cramp includes the profile of strip and is vertically positioned at
The tabletting at profile both ends, the profile correspondence are caught in cramp slot, and the tabletting at both ends is bonded the silicon steel sheet positioned at both ends respectively
End face.
The lug that the outer rim of the stator core circumferentially uniformly outwardly protrudes, the corresponding fitting of the lug are protruded into groove,
One end fitting of the stator core resists block.
The inner edge two sides of the stator tooth are equipped with arc notch, plug between two arc notch in each stator slot
Slot is carved, and each slot carves the inner face that corresponding fitting is located at the straightway winding in same stator slot.
Pass through connecting copper pipe insulating paper in each between straight tube and the outer edge of an End winding of corresponding fitting
Isolation.
The distance at the connection tube to the center of stator core is greater than the distance that slot carves the center of stator core.
The beneficial effects of the present invention are: the temperature of End winding is lower, after long-play by the setting of cooling duct
End winding is not in overheat；By the setting of binding strap, End winding can stablize fixation, will not deform, and extend
The service life of motor.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is that the present invention removes the perspective view after casing；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the cooperation schematic diagram of winding of the invention, straight copper tube, connecting copper pipe and binding strap；
Fig. 5 is the cooperation schematic diagram of straight copper tube of the invention, connecting copper pipe and binding strap；
Fig. 6 is that the cooperation of single silicon steel sheet, single winding, single binding strap and straight copper tube and connecting copper pipe of the invention is shown
It is intended to；
Fig. 7 is the perspective view of casing of the invention；
Fig. 8 is the perspective view of stator core of the invention；
Fig. 9 is the perspective view of silicon steel sheet of the invention；
Figure 10 is the perspective view of cramp of the invention；
Figure 11 is the perspective view of straight copper tube of the invention；
Figure 12 is the perspective view of connecting copper pipe of the invention；
Figure 13 is the perspective view after binding strap binding of the invention；
Figure 14 is the perspective view of winding insulation paper of the invention；
Figure 15 is the perspective view that slot of the invention is carved.
In figure: casing 1, block 11, groove 12, stator core 2, stator tooth 21, arc notch 22, stator slot 23, straight copper
Pipe perforation 24, cramp slot 25, lug 26, stator yoke 27, silicon steel sheet 28, straightway winding 3, End winding 31, winding insulation
Paper 4, slot carve 5, cramp 6, profile 61, tabletting 62, straight copper tube 7, connecting copper pipe 71, connection straight tube 72, interior straight tube 73, connection tube
74, binding strap 8, outer cross band body 81, outer longitudinal bands body 82, interior cross band body 83, interior longitudinal bands body 84, connector 85, water receiving pipe 86, connection
Copper pipe insulating paper 9.
Specific embodiment
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
As shown in Fig. 1~Figure 15, a kind of assembling structure of water-cooled stator, including casing 1 and elastic conjunction are in 1 inner wall of casing
Stator core 2, the stator core 2 include annular stator yoke 27,27 inner edge of stator yoke extends inwardly to form
Circumferentially uniformly distributed stator tooth 21 forms the stator slot 23 for placing winding, the quantity of the winding between two neighboring stator tooth 21
For the half of the quantity of stator tooth 21, winding is wound with winding on stator tooth 21 and at interval of a stator tooth 21, i.e.,
One stator tooth 21 is wound with winding, and subsequent one stator tooth 21 adjacent thereto does not have winding winding, then a subsequent stator
Tooth 21 is wound with winding again, carries out the arrangement of winding repeatedly.
Each winding includes two straightway windings 3, and the same side end of two straightway windings 3 passes through arc-shaped end
Winding 31 connects, and each straightway winding 3 is through a corresponding stator slot 23 and each straightway winding 3 and corresponding
Completely cut off between one stator slot 23 by winding insulation paper 4, the inner edge two sides of the stator tooth 21 are equipped with arc notch 22, often
Panel plugs groove carves 5 between two arc notch 22 in a stator slot 23, and each slot carves 5 corresponding fittings and is located at same stator slot 23
The inner face of interior straightway winding 3.
The outer rim of the stator core 2 is circumferentially evenly distributed with cramp slot 25, and stator core 2 is bonded to each other by multiple silicon steel sheets 28
It forms and is inserted into cramp 6 in cramp slot 25 and fixation is attached to multiple silicon steel sheets 28, the cramp 6 includes the button of strip
Item 61 and the tabletting 62 for being vertically positioned at 61 both ends of profile, the correspondence of profile 61 are caught in cramp slot 25, and the tabletting 62 at both ends divides
The end face of the silicon steel sheet 28 at both ends Tie He be located at.
The above is the conventional technical means of the stator assembly of motor field, is not described in detail herein.
Straight copper tube perforation 24 is circumferentially evenly distributed on the stator core 2, fitting wears one in each straight copper tube perforation 24
Straight copper tube 7, the both ends of straight copper tube 7 exceed straight copper tube perforation 24, and the quantity of the straight copper tube 7 and the quantity of winding are equal, institute
There is straight copper tube 7 successively to join end to end to form cooling duct by connecting copper pipe 71, the connecting copper pipe 71 includes being connected respectively to
The connection straight tube 72 of two adjacent straight copper tubes 7 of the same end, each connection straight tube 72 be inserted into corresponding thereto with one heart by fitting
A straight copper tube 7 and the two be welded and fixed, two connection straight tube 72 outer end integrally formed in perpendicular distribution
Straight tube 73, it is each in straight tube 73 be bonded the outer edge of an End winding 31 corresponding thereto, on the same connecting copper pipe 71
Two interior straight tubes 73 connected by connection tube 74.Connection straight tube 72, interior straight tube 73, connection tube 74 are integrally formed.The rank
The distance at adapter tube 74 to the center of stator core 2 is greater than the distance that slot carves the center that 5 arrive stator core 2.Simultaneously in the present apparatus
Connection tube 74 to stator core 2 center distance be greater than End winding 31 inner face to the center of stator core 2 distance,
The installation of connecting copper pipe 71 entire in this way does not influence the assembly of stator.
The both ends of the cooling duct are respectively connected with water receiving pipe 86, and one of them of two water receiving pipes 86 is water inlet pipe, separately
One is outlet pipe, and water flowing carries out cooling down to stator in cooling duct, and one of water receiving pipe 86 directly insert with one heart by fitting
Enter to be located in a straight copper tube 7 of cooling duct one end and be welded and fixed, a straight copper tube 7 of the cooling duct other end passes through few
The connecting copper pipe 71 of one connection straight tube 72 connects another water receiving pipe 86, so that two water receiving pipes 86 prolong to the same side
It stretches, it is convenient for assembly；Two interior straight tubes 73 for having lacked the connecting copper pipe 71 of a connection straight tube 72 simultaneously can be bonded corresponding end
The outer edge of portion's winding 31 radiates, and the outer edge of each End winding 31 of such whole device can correspond to fitting one
Interior straight tube 73.It is exhausted by connecting copper pipe between straight tube 73 and the outer edge of an End winding 31 of corresponding fitting in each
Edge paper 9 is isolated.The temperature of the End winding 31 of this sample device is lower, and long-play rear end winding 31 was not in
Heat, motor service life are longer.
The same side end of two straightway windings 3 of the same winding is wound with a binding strap 8, and binding strap 8 is polyester
Fibrous material, entire stator will also immerse insulated paint and heat preservation solidification after take-up strap band 8.
The binding strap 8 includes the outer cross band body 81 for being bonded two 3 outer end faces of straightway winding of same winding, outer cross band
Body 81 is bonded the end face of stator core 2, and the both ends of the outer cross band body 81 are pasted respectively along the lateral wall of two straightway windings 3
Conjunction extends to form outer longitudinal bands body 82, and two outer longitudinal bands bodies 82 extend shape respectively along the inner face fitting of two straightway windings 3
At interior cross band body 83, two interior cross band bodies 83 extend to form interior longitudinal bands respectively along the inner sidewall fitting of two straightway windings 3
Body 84, two interior longitudinal bands bodies 84 are formed by knots tied connector 85 in 7 periphery of straight copper tube at corresponding place.I.e. entire binding strap 8 from
It is bound outside to beating a knot after interior winding on straight copper tube 7, such End winding 31 can stablize fixation, will not become
Shape, the insulation abrasion of winding and dielectric level will not decline, and motor service life is longer.
The circumferentially uniformly distributed inwardly projecting block 11 of one end inner wall of the casing 1, the circumferentially uniformly distributed front and back of 1 inner wall of casing are run through
Groove 12, the block 11 and groove 12 are arranged in a staggered manner.
The lug 26 that the outer rim of the stator core 2 circumferentially uniformly outwardly protrudes, the corresponding fitting of the lug 26 are protruded into recessed
In slot 12, one end fitting of the stator core 2 resists block 11.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of assembling structure of water-cooled stator, including casing (1) and elastic conjunction casing (1) inner wall stator core (2),
The stator core (2) includes the stator yoke (27) of annular, and stator yoke (27) inner edge extends inwardly to form circumferential equal
The stator tooth (21) of cloth forms the stator slot (23) for placing winding, the quantity of the winding between two neighboring stator tooth (21)
For the half of the quantity of stator tooth (21), winding on stator tooth (21) and at interval of a stator tooth (21) be wound with around
Group, each winding include two straightway windings (3), and the same side end of two straightway windings (3) passes through arc-shaped end
Winding (31) connection, each straightway winding (3) through a corresponding stator slot (23) and each straightway winding (3) and with
Completely cut off between its corresponding stator slot (23) by winding insulation paper (4), it is characterised in that: on the stator core (2)
Circumferential to be evenly distributed with straight copper tube perforation (24), fitting wears a straight copper tube (7), the straight copper tube in each straight copper tube perforation (24)
(7) quantity of quantity and winding is equal, and all straight copper tubes (7) successively join end to end to form cooling lead to by connecting copper pipe (71)
Road, the both ends of the cooling duct are respectively connected with water receiving pipe (86), and the connecting copper pipe (71) includes being connected respectively to the same end
Two adjacent straight copper tubes (7) connection straight tube (72), each connection straight tube (72) with one heart fitting insertion corresponding thereto
A straight copper tube (7) and the two be welded and fixed, two connection straight tube (72) outer end integrally formed with perpendicular distribution
Interior straight tube (73), it is each in straight tube (73) be bonded the outer edge of an End winding (31) corresponding thereto, the same company
The two interior straight tubes (73) connect on copper pipe (71) are connected by connection tube (74), two straightway windings (3) of the same winding
Same side end be wound with a binding strap (8), the binding strap (8) includes two straightway windings for being bonded same winding
(3) the outer cross band body (81) of outer end face, the outside of the both ends of the outer cross band body (81) respectively along two straightway windings (3)
Wall fitting extends to form outer longitudinal bands body (82), inner face of two outer longitudinal bands bodies (82) respectively along two straightway windings (3)
Fitting extends to form interior cross band body (83), and two interior cross band bodies (83) are pasted respectively along the inner sidewall of two straightway windings (3)
Conjunction extends to form interior longitudinal bands body (84), and two interior longitudinal bands bodies (84) are formed by knots tied company in straight copper tube (7) periphery at corresponding place
Connector (85).
2. a kind of assembling structure of water-cooled stator as described in claim 1, it is characterised in that: one end inner wall of the casing (1)
Circumferential uniformly distributed inwardly projecting block (11), the circumferentially uniformly distributed pre-and post perforative groove (12) of casing (1) inner wall, the block (11)
It is arranged in a staggered manner with groove (12).
3. a kind of assembling structure of water-cooled stator as claimed in claim 2, it is characterised in that: the outer rim of the stator core (2)
Circumferential to be evenly distributed with cramp slot (25), stator core (2) is bonded to each other by multiple silicon steel sheets (28) to be formed and in cramp slot (25)
Insertion cramp (6) is attached fixation to multiple silicon steel sheets (28), and the cramp (6) includes the profile (61) and vertically of strip
Tabletting (62) positioned at profile (61) both ends, the profile (61) is corresponding to be caught in cramp slot (25), the tabletting (62) point at both ends
The end face of the silicon steel sheet (28) at both ends Tie He be located at.
4. a kind of assembling structure of water-cooled stator as claimed in claim 3, it is characterised in that: the outer rim of the stator core (2)
The circumferential lug (26) uniformly outwardly protruded, the corresponding fitting of the lug (26) are protruded into groove (12), the stator core (2)
One end fitting resist block (11).
5. a kind of assembling structure of water-cooled stator as claimed in claim 4, it is characterised in that: the inner edge two of the stator tooth (21)
Side is equipped with arc notch (22), and panel plugs groove is carved (5) between two arc notch (22) in each stator slot (23), each slot
Carve the inner face that (5) corresponding fitting is located at the straightway winding (3) in same stator slot (23).
6. a kind of assembling structure of water-cooled stator as described in claim 1, it is characterised in that: straight tube (73) and right with it in each
It is isolated between the outer edge for the End winding (31) that should be bonded by connecting copper pipe insulating paper (9).
7. a kind of assembling structure of water-cooled stator as claimed in claim 5, it is characterised in that: the connection tube (74) arrives stator iron
The distance at the center of core (2) is greater than the distance that slot carves the center of (5) to stator core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356392.XA CN109167447A (en) | 2018-11-15 | 2018-11-15 | A kind of assembling structure of water-cooled stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356392.XA CN109167447A (en) | 2018-11-15 | 2018-11-15 | A kind of assembling structure of water-cooled stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109167447A true CN109167447A (en) | 2019-01-08 |
Family
ID=64876923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356392.XA Withdrawn CN109167447A (en) | 2018-11-15 | 2018-11-15 | A kind of assembling structure of water-cooled stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109167447A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198112A (en) * | 2019-07-06 | 2019-09-03 | 上海智御动力技术有限公司 | Birotor is without the direct-cooled motor of yoke portion radial flux |
| CN110994820A (en) * | 2019-12-30 | 2020-04-10 | 河南师范大学 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
| CN111030381A (en) * | 2019-12-30 | 2020-04-17 | 河南师范大学 | High-efficient cooling motor compact in structure |
| CN115833417A (en) * | 2022-12-15 | 2023-03-21 | 国网浙江省电力有限公司舟山供电公司 | Motor plastic package stator assembly for electric power construction of embedded installation |
-
2018
- 2018-11-15 CN CN201811356392.XA patent/CN109167447A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110198112A (en) * | 2019-07-06 | 2019-09-03 | 上海智御动力技术有限公司 | Birotor is without the direct-cooled motor of yoke portion radial flux |
| CN110994820A (en) * | 2019-12-30 | 2020-04-10 | 河南师范大学 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
| CN111030381A (en) * | 2019-12-30 | 2020-04-17 | 河南师范大学 | High-efficient cooling motor compact in structure |
| CN110994820B (en) * | 2019-12-30 | 2021-08-31 | 河南师范大学 | Assembly structure and manufacturing method of water-cooled machine shell and stator core |
| CN111030381B (en) * | 2019-12-30 | 2021-12-07 | 河南师范大学 | High-efficient cooling motor compact in structure |
| CN115833417A (en) * | 2022-12-15 | 2023-03-21 | 国网浙江省电力有限公司舟山供电公司 | Motor plastic package stator assembly for electric power construction of embedded installation |
| CN115833417B (en) * | 2022-12-15 | 2023-11-07 | 国网浙江省电力有限公司舟山供电公司 | Motor plastic package stator assembly for embedded installation power construction |
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Legal Events
| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190108 |
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| WW01 | Invention patent application withdrawn after publication |