CN208623399U - Punching sheet and motor with same - Google Patents
Punching sheet and motor with same Download PDFInfo
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- CN208623399U CN208623399U CN201821492684.1U CN201821492684U CN208623399U CN 208623399 U CN208623399 U CN 208623399U CN 201821492684 U CN201821492684 U CN 201821492684U CN 208623399 U CN208623399 U CN 208623399U
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- 238000004080 punching Methods 0.000 title claims abstract description 108
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 230000000392 somatic effect Effects 0.000 abstract 2
- 238000009826 distribution Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model provides a towards piece and have its motor, towards the piece including this somatic part, this somatic part includes: a first preset gap value f is formed between the circle center of the cross section of the punching sheet inner hole and the circle center of the circumferential outer surface of the body part; the pole shoe is provided with a first plane and a second plane, the first plane is the hole wall of the punching sheet inner hole, and the second plane extends from the punching sheet inner hole to the direction of the circumferential outer surface of the body part; a first preset included angle a is formed between the first plane and the second plane, and the angle a is an acute angle. The utility model discloses a towards the piece can not be fine realization two-way pivoted problem among the prior art of motor having solved.
Description
Technical field
The utility model relates to motor fields, in particular to a kind of punching and with its motor.
Background technique
Single-phase DC motor compared with polyphase machine, have the characteristics that it is at low cost, and compared with alternating current generator have efficiency
High advantage.According to the principle of motor, there is starting hardly possible in monophase machine, and generally use the side of non-uniform gap at present
Case solves the problems, such as electric motor starting, but presently used non-uniform gap cannot make motor realize that Double-directional rotary is (suitable well
Hour hands turn or counterclockwise turn) performance.
Utility model content
It is in the prior art to solve the main purpose of the utility model is to provide a kind of punching and with its motor
Motor cannot realize the problem of Double-directional rotary well.
To achieve the goals above, one aspect according to the present utility model provides a kind of punching, including body part,
Body part includes: punching inner hole, the center of circle of the cross section of the circumferential exterior surface in the center of circle and body part of the cross section of punching inner hole
Between have the first prepsetting gap value f；Pole shoe, pole shoe have the first plane and the second plane, and the first plane is punching inner hole
The direction of hole wall, circumferential exterior surface of second plane from punching inner hole to body part extends；Wherein, the first plane and the second plane
Between have the first default angle a, a is acute angle.
Further, 65 °≤a≤85 °.
Further, pole shoe is arranged in pairs, multiple pole shoe rings around the circumferential exterior surface of body part centreline space every setting,
Pole shoe has the first arcwall face, and the first arcwall face is arc surface, and the first arcwall face is the hole wall of punching inner hole, each first arc
The first prepsetting gap value f is all had between the center line of the circumferential exterior surface of the center line and body part in face；Wherein, the first plane
One end be connected with the first arcwall face, the other end of the first plane is connected with the second plane.
Further, pole shoe includes: the second pole-piece, and the second pole-piece extends in a first direction；Wherein, the second pole-piece
With the first plane and the second plane, the second plane is located at the end of the second pole-piece.
Further, pole shoe further include: the first pole-piece, the first pole-piece extend in a second direction, first direction and
Two directions are two opposite directions；Wherein, the first pole-piece along punching inner hole in the radial direction with a thickness of b, the second pole
Boots section along punching inner hole in the radial direction with a thickness of c, wherein b > c.
Further, the first pole-piece has the first plane and the second plane, and the second plane is located at the end of the first pole-piece
End.
Further, the thickness of the first pole-piece end is greater than the thickness of the second pole-piece end.
Further, pole shoe is arranged in pairs, body part further include: stator slot, stator slot are arranged in pairs, multiple stator grooved rings
Centreline space around the circumferential exterior surface of body part forms pole shoe between setting, stator slot and punching inner hole；Wherein, stator slot
For center symmetrical structure, so that the area of the cross section of the first pole-piece between stator slot and punching inner hole is greater than second
The area of the cross section of pole-piece.
Further, it is arranged fluted on pole shoe, the opening of groove is towards punching inner hole.
Further, groove is polygon groove or arc groove.
Further, groove is multiple, and multiple grooves are arranged along the circumferential direction interval of pole shoe.
Further, there is the second prepsetting gap d, the opening width of groove is e, wherein d=between two neighboring pole shoe
e。
Further, groove is rectangular channel.
Further, pole shoe is arranged in pairs, body part further include: stator slot, stator slot are arranged in pairs, multiple stator grooved rings
Around body part circumferential exterior surface centreline space every setting；Wherein, the central symmetry plane of groove and two neighboring stator slot it
Between central symmetry plane between have the second default angle w, wherein 80 °/n≤w≤120 °/n, n be stator slot number.
Another aspect according to the present utility model, provides a kind of motor, including punching, and punching is above-mentioned punching.
Further, motor further include: rotor core, rotor core are arranged in punching inner hole；Magnetic shoe, magnetic shoe setting exist
Between rotor core and pole shoe；Wherein, the center line of the circumferential exterior surface of the center line and body part of rotor core coincides, magnetic
There is watt between pole shoe air gap, at least partially expansion section of the cross section of air gap.
Further, the area of air gap two openings is unequal.
The punching of the utility model by setting different core structures from the circumferential exterior surface of body part for punching inner hole, and
There is the inclined structure in side on pole shoe, thereby may be ensured that motor can obtain enough magnetic during forward or reverse
Field force, so as to improve the positive and negative rotation performance of motor.Wherein, the circumferential exterior surface in the center of circle of the cross section of punching inner hole and body part
Cross section the center of circle between have the first prepsetting gap value f so that the circumferential exterior surface shape of punching inner hole and body part
At different core structures, due to the eccentric structure of punching so that the starting performance of motor a direction improves, and the first plane and
The default angle a of first be arranged between second plane, so that there is the inclined structure in side, to turn in motor commutation on pole shoe
When dynamic, original Distribution of Magnetic Field performance is broken, the magnetic field force distribution of commutation rotation has been improved, to improve two-way turn of motor
Dynamic performance solves the problems, such as that motor in the prior art cannot realize Double-directional rotary well.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of punching according to the present utility model；
Fig. 2 shows the enlarged structure schematic diagrams at the A of the punching in Fig. 1；
Fig. 3 shows the partial structural diagram of the embodiment of motor according to the present utility model.
Wherein, the above drawings include the following reference numerals:
10, body part；11, pole shoe；111, the first arcwall face；1111, groove；112, the first plane；113, the second plane；
114, the first pole-piece；115, the second pole-piece；12, punching inner hole；13, stator slot；20, rotor core；30, air gap；40, magnetic
Watt.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The utility model provides a kind of punching, please refers to Fig. 1 and Fig. 2, and punching includes body part 10, and body part 10 wraps
Include: punching inner hole 12, the center of circle of the cross section of the circumferential exterior surface in the center of circle and body part 10 of the cross section of punching inner hole 12 it
Between have the first prepsetting gap value f；Pole shoe 11, pole shoe 11 have the first plane 112 and the second plane 113, and the first plane 112 is
The hole wall of punching inner hole 12, the second plane 113 extend from punching inner hole 12 to the direction of the circumferential exterior surface of body part 10；Its
In, there is the first default angle a, a is acute angle between the first plane 112 and the second plane 113.
The punching of the utility model is by setting different hearty cords from the circumferential exterior surface of body part 10 for punching inner hole 12
Structure, and there is the inclined structure in side on pole shoe 11, it thereby may be ensured that motor can obtain during forward or reverse
Enough magnetic field forces, so as to improve the positive and negative rotation performance of motor.Wherein, the center of circle of the cross section of punching inner hole 12 and body part 10
Circumferential exterior surface cross section the center of circle between have the first prepsetting gap value f so that punching inner hole 12 and body part
10 circumferential exterior surface forms different core structures, due to the eccentric structure of punching, so that the starting performance of motor a direction
It improves, and the first default angle a being arranged between the first plane 112 and the second plane 113, so that inclining on pole shoe 11 with side
Oblique structure improves the magnetic field force of commutation rotation to break original Distribution of Magnetic Field performance in motor commutation rotation
Distribution, to improve the performance of motor Double-directional rotary, cannot be realized well by solving motor in the prior art by two-way turn
Dynamic problem.
Preferably, 65 °≤a≤85 °.
In the present embodiment, 75 °≤a≤85 °.
In the present embodiment, the cross section of punching inner hole 12 can be made of multiple circular arcs, i.e., punching inner hole 12 is transversal
The center of circle in face is also possible to multiple.
In view of the specifically used relationship of rotor, as shown in Figure 1, pole shoe 11 is arranged in pairs, multiple pole shoes 11 are around ontology
For the centreline space of the circumferential exterior surface in portion 10 every setting, pole shoe 11 has the first arcwall face 111, and the first arcwall face 111 is circular arc
Face, the first arcwall face 111 are the hole wall of punching inner hole 12, the center line of each first arcwall face 111 and the circumferential direction of body part 10
The first prepsetting gap value f is all had between the center line of outer surface；Wherein, one end of the first plane 112 and the first arcwall face 111
It is connected, the other end of the first plane 112 is connected with the second plane 113.
In the present embodiment, the transverse projection of the center line of the first arcwall face 111 is the cross section of the first arcwall face 111
The center of circle.Correspondingly, the transverse projection of the center line of the circumferential exterior surface of body part 10 is the circumferential exterior surface of body part 10
Cross section the center of circle.
In the present embodiment, there is arc-shaped transitional surface between the first plane 112 and the second plane 113.
In the present embodiment, due to the cross section of the first arcwall face 111 the center of circle and body part 10 circumferential exterior surface
The first prepsetting gap value f is all had between the center of circle of cross section, so that the punching inner hole between multiple first arcwall faces 111
12 form different core structures from the circumferential exterior surface of body part 10.
In the present embodiment, the first arcwall face 111 of each pole shoe 11 is arranged around the center line of punching inner hole 12, can be with
It is interpreted as multiple first arcwall faces 111 point centered on the center line of punching inner hole 12, annular array forms each pole shoe 11
First arcwall face 111.
In the present embodiment, the center of circle of the cross section of punching inner hole 12, the cross section of as each first arcwall face 111
There is the first prepsetting gap value f between the center of circle, and the center of circle of the cross section of the circumferential exterior surface of body part 10, as each first
The first prepsetting gap value f is all had between the center line of the circumferential exterior surface of the center line and body part 10 of arcwall face 111.
For the specific structure of pole shoe 11, as shown in Figure 1, pole shoe 11 includes: the second pole-piece 115, the second pole-piece 115
It extends in a first direction；Wherein, the second pole-piece 115 has the first plane 112 and the second plane 113, and the second plane 113 is located at
The end of second pole-piece 115.
In the present embodiment, the second pole-piece 115 has the first plane 112 and the second plane 113, wherein the second plane
113 are located at the end of the second pole-piece 115, i.e. the end of the second pole-piece 115 is the inclined structure in side.
Correspondingly, pole shoe 11 further include: the first pole-piece 114, the first pole-piece 114 extend in a second direction, first party
To with second direction be two opposite directions；Wherein, thickness in the radial direction of first pole-piece 114 along punching inner hole 12
For b, the second pole-piece 115 along punching inner hole 12 in the radial direction with a thickness of c, wherein b > c.
In the present embodiment, first direction and second direction are circumferencial direction.
In the present embodiment, the first pole-piece 114 and the second pole-piece 115 form pole shoe 11, and the first pole-piece 114
It is unequal with the thickness of the second pole-piece 115, it can to indicate are as follows: radial direction of first pole-piece 114 along punching inner hole 12
On with a thickness of b, the second pole-piece 115 along punching inner hole 12 in the radial direction with a thickness of c, b > c, wherein b and c is one
B > c is presented in a variate on the whole.
Preferably, the first pole-piece 114 has the first plane 112 and the second plane 113, and the second plane 113 is located at first
The end of pole-piece 114.
Optionally, the end of the first pole-piece 114 is the inclined structure in side.
Preferably, the thickness of 114 end of the first pole-piece is greater than the thickness of 115 end of the second pole-piece.
For the specific structure of body part 10, as shown in Figure 1, pole shoe 11 is arranged in pairs, body part 10 further include: stator slot
13, stator slot 13 is arranged in pairs, and multiple stator slots 13 surround the centreline space of the circumferential exterior surface of body part 10 every setting, stator
Pole shoe 11 is formed between slot 13 and punching inner hole 12；Wherein, stator slot 13 be center symmetrical structure so that be located at stator slot 13 with
The area of the cross section of the first pole-piece 114 between punching inner hole 12 is greater than the area of the cross section of the second pole-piece 115.
In the present embodiment, pole shoe 11 is correspondingly arranged one by one with stator slot 13, due to symmetrical centered on stator slot 13
Structure, punching inner hole 12 are set as different core structures from the circumferential exterior surface of body part 10, so that being located at stator slot
The area of the cross section of the first pole-piece 114 between 13 and punching inner hole 12 is greater than the face of the cross section of the second pole-piece 115
Product.
In order to reduce motor-field pulsation, it is arranged fluted 1111 on pole shoe 11, the opening court of groove 1111
To punching inner hole 12.
In the present embodiment, it is arranged fluted 1111 on pole shoe 11, the opening of groove 1111 is towards punching inner hole 12, i.e.,
It is arranged fluted 1111 on one arcwall face 111.Since stator punching pole shoe 11 is the structure for increasing slot by circular arc, will so make
The air gap of motor, which generates, does not wait air gaps, to solve the performances such as the operation of monophase machine, while motor-field pulsation is reduced,
Vibration reduction, lower noise, service life improve.
Preferably, groove 1111 is polygon groove or arc groove.
Preferably, groove 1111 is multiple, and multiple grooves 1111 are arranged along the circumferential direction interval of pole shoe 11.
In the present embodiment, the circumferential direction of pole shoe 11 is the circumferential direction of the first arcwall face 111, can also be expressed as
Along the circumferential direction of punching inner hole 12.
Consider to structure stability and motor-field pulsation is reduced, with second between two neighboring pole shoe 11
Prepsetting gap d, the opening width of groove 1111 are e, wherein d=e.
Preferably, groove 1111 is rectangular channel.
Preferably, pole shoe 11 is arranged in pairs, body part 10 further include: stator slot 13, stator slot 13 are arranged in pairs, Duo Geding
Pilot trench 13 surround the centreline space of the circumferential exterior surface of body part 10 every setting；Wherein, the central symmetry plane with phase of groove 1111
There is the second default angle w, wherein 80 °/n≤w≤120 °/n, n is between central symmetry plane between adjacent two stator slots 13
The number of stator slot 13.
In the present embodiment, the central symmetry plane between the central symmetry plane of groove 1111 and two neighboring stator slot 13 it
Between electrical angle be maintained between 20 ° to 30 °, i.e., the second default angle w be groove 1111 central symmetry plane with it is two neighboring
The mechanical angle between central symmetry plane between stator slot 13.
In the present embodiment, the groove depth of groove 1111 is less than 1mm.
The motor stamping structure of the utility model solves two-way (turn clockwise or the turn counterclockwise) rotation of single-phase DC motor
The problem of, the structure of motor stamping is used into bias+inclined organization plan in fluting+side, the stator punching of this structure is not only
Single-phase DC motor can be made to generate good starting performance, and motor can be made to obtain two-way (clockwise turn or inverse time well
Needle turns) rotating property, which can be conducive to carry out actual processing production and volume production application, specific technical solution are as follows:
In the present embodiment, the outer circle that motor has been determined to punching is designed to the structure of decentraction with inner circle, so that stator rushes
The internal diameter and outer diameter of piece are eccentric, and open rectangular channel in the unilateral of pole shoe, this structure forms the tooth of motor stator punching not
Symmetrical structure form, to be conducive to the realization of not equal air gaps.
In the present embodiment, easy to produce in order to keep motor stator groove area constant, convenient for improving electric efficiency and use
Range, stator punching bathtub construction uses symmetrical scheme thus.
The stator laminating structure of the utility model is designed using different core structures from diameter of stator bore using stator outer diameter, is fixed
After pilot trench shape is using symmetrical structure design, the stator pole shoes made are formed into asymmetric structure type, so that stator pole shoes or so
While thickness is different, thin on one side are Houed, using the leakage field for being beneficial to reduction punching after this structure, to improve the efficiency of motor.
The stator punching outer diameter of the utility model and the internal diameter of stator punching are designed using the structure of decentraction, and rotor rushes
The outer diameter of piece and the outer diameter of stator punching are designed to that concentric structure, stator punching pole shoe are the structures that slot is increased by circular arc, so
The air gap of the motor made is generated and does not wait air gaps, to solve the performances such as the operation of monophase machine, while making motor-field arteries and veins
Dynamic to reduce, vibration reduction, lower noise, service life improve.
The stator punching pole shoe featheredge of the utility model is designed to the inclined structure in side, and design through this structure can make
Motor is when turning to change, identical magnetomotive force when making to obtain when motor reversal with rotating forward, to make the property of motor Double-directional rotary
Can be identical, while starting voltage when reversion can be reduced.
The utility model additionally provides a kind of motor, including punching, referring to FIG. 3, punching is above-mentioned punching.
Preferably, as shown in figure 3, motor further include: rotor core 20, rotor core 20 are arranged in punching inner hole 12；
Magnetic shoe 40, magnetic shoe 40 are arranged between rotor core 20 and pole shoe 11；Wherein, the center line of rotor core 20 and body part 10
The center line of circumferential exterior surface coincides, and has air gap 30, at least portion of the cross section of air gap 30 between magnetic shoe 40 and pole shoe 11
It is divided into expansion section.
Preferably, the area of air gap 30 two openings is unequal.
In the present embodiment, the area of air gap 30 two openings is unequal, i.e. the thickness of 114 end of the first pole-piece is greater than
The thickness of second pole-piece, 115 end, so that the area of air gap 30 two openings is unequal.
It is as follows for the specific combination step of motor:
Step 1: stator, rotor punching are gone out by mold first；
Step 2: stator, rotor punching are built up stator, rotor core；
Step 3: the assembling of the above material is made into motor.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The punching of the utility model is by setting different hearty cords from the circumferential exterior surface of body part 10 for punching inner hole 12
Structure, and there is the inclined structure in side on pole shoe 11, it thereby may be ensured that motor can obtain during forward or reverse
Enough magnetic field forces, so as to improve the positive and negative rotation performance of motor.Wherein, the center of circle of the cross section of punching inner hole 12 and body part 10
Circumferential exterior surface cross section the center of circle between have the first prepsetting gap value f so that punching inner hole 12 and body part
10 circumferential exterior surface forms different core structures, due to the eccentric structure of punching, so that the starting performance of motor a direction
It improves, and the first default angle a being arranged between the first plane 112 and the second plane 113, so that inclining on pole shoe 11 with side
Oblique structure improves the magnetic field force of commutation rotation to break original Distribution of Magnetic Field performance in motor commutation rotation
Distribution, to improve the performance of motor Double-directional rotary, cannot be realized well by solving motor in the prior art by two-way turn
Dynamic problem.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (17)
1. a kind of punching, including body part (10), which is characterized in that the body part (10) includes:
Punching inner hole (12), the circumferential exterior surface in the center of circle and body part (10) of the cross section of the punching inner hole (12)
There is the first prepsetting gap value f between the center of circle of cross section；
Pole shoe (11), the pole shoe (11) have the first plane (112) and the second plane (113), and first plane (112) is
The hole wall of the punching inner hole (12), second plane (113) is from punching inner hole (12) the Xiang Suoshu body part (10)
The direction of circumferential exterior surface extends；
Wherein, there is the first default angle a, a is acute angle between first plane (112) and second plane (113).
2. punching according to claim 1, which is characterized in that 65 °≤a≤85 °.
3. punching according to claim 1, which is characterized in that the pole shoe (11) is arranged in pairs, multiple pole shoes
(11) centreline space of the circumferential exterior surface of the body part (10) is surround every setting, and the pole shoe (11) has the first arcwall face
(111), first arcwall face (111) is arc surface, and first arcwall face (111) is the hole of the punching inner hole (12)
Wall, between the center line of the circumferential exterior surface of the center line and body part (10) of each first arcwall face (111)
With the first prepsetting gap value f；Wherein, one end of first plane (112) is connected with first arcwall face (111)
It connects, the other end of first plane (112) is connected with second plane (113).
4. punching according to any one of claim 1 to 3, which is characterized in that the pole shoe (11) includes:
Second pole-piece (115), second pole-piece (115) extend in a first direction；
Wherein, second pole-piece (115) have first plane (112) and second plane (113), described second
Plane (113) is located at the end of second pole-piece (115).
5. punching according to claim 4, which is characterized in that the pole shoe (11) further include:
First pole-piece (114), first pole-piece (114) extend in a second direction, the first direction and described second
Direction is two opposite directions；
Wherein, first pole-piece (114) along the punching inner hole (12) in the radial direction with a thickness of b, described second
Pole-piece (115) along the punching inner hole (12) in the radial direction with a thickness of c, wherein b > c.
6. punching according to claim 5, which is characterized in that first pole-piece (114) has first plane
(112) and second plane (113), second plane (113) are located at the end of first pole-piece (114).
7. punching according to claim 5, which is characterized in that the thickness of the first pole-piece (114) end is greater than institute
State the thickness of the second pole-piece (115) end.
8. punching according to claim 5, which is characterized in that the pole shoe (11) is arranged in pairs, the body part (10)
Further include:
Stator slot (13), the stator slot (13) are arranged in pairs, and multiple stator slots (13) are around the body part (10)
The centreline space of circumferential exterior surface forms the pole shoe between setting, the stator slot (13) and the punching inner hole (12)
(11)；
Wherein, the stator slot (13) is center symmetrical structure, so as to be located at the stator slot (13) and the punching inner hole
(12) area of the cross section of first pole-piece (114) between is greater than the cross section of second pole-piece (115)
Area.
9. punching according to claim 1, which is characterized in that it is arranged fluted (1111) on the pole shoe (11), it is described
The opening of groove (1111) is towards the punching inner hole (12).
10. punching according to claim 9, which is characterized in that the groove (1111) is polygon groove or arc groove.
11. punching according to claim 9, which is characterized in that the groove (1111) is multiple, multiple grooves
(1111) it is arranged along the circumferential direction interval of the pole shoe (11).
12. punching according to claim 9, which is characterized in that pre- with second between the two neighboring pole shoe (11)
If gap d, the opening width of the groove (1111) is e, wherein d=e.
13. punching according to claim 9, which is characterized in that the groove (1111) is rectangular channel.
14. punching according to claim 13, which is characterized in that the pole shoe (11) is arranged in pairs, the body part
(10) further include:
Stator slot (13), the stator slot (13) are arranged in pairs, and multiple stator slots (13) are around the body part (10)
The centreline space of circumferential exterior surface is every setting；
Wherein, the central symmetry plane between the central symmetry plane and the two neighboring stator slot (13) of the groove (1111) it
Between have the second default angle w, wherein 80 °/n≤w≤120 °/n, n be the stator slot (13) number.
15. a kind of motor, including punching, which is characterized in that the punching is to rush described in any one of claims 1 to 14
Piece.
16. motor according to claim 15, which is characterized in that the motor further include:
Rotor core (20), rotor core (20) setting is in the punching inner hole (12)；
Magnetic shoe (40), the magnetic shoe (40) are arranged between the rotor core (20) and the pole shoe (11)；
Wherein, the center line of the rotor core (20) and the center line of the circumferential exterior surface of the body part (10) coincide,
There are air gap (30) between the magnetic shoe (40) and the pole shoe (11), at least partially expansion of the cross section of the air gap (30)
Open section.
17. motor according to claim 16, which is characterized in that the area of the air gap (30) two openings is unequal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821492684.1U CN208623399U (en) | 2018-09-12 | 2018-09-12 | Punching sheet and motor with same |
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| CN201821492684.1U CN208623399U (en) | 2018-09-12 | 2018-09-12 | Punching sheet and motor with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581610A (en) * | 2019-08-29 | 2019-12-17 | 珠海凌达压缩机有限公司 | Auxiliary slot stator punching sheet, stator assembly, motor and compressor |
| WO2022110303A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Stator sheet, stator core, motor, compressor, and refrigeration device |
-
2018
- 2018-09-12 CN CN201821492684.1U patent/CN208623399U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581610A (en) * | 2019-08-29 | 2019-12-17 | 珠海凌达压缩机有限公司 | Auxiliary slot stator punching sheet, stator assembly, motor and compressor |
| WO2022110303A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Stator sheet, stator core, motor, compressor, and refrigeration device |
| EP4236034A4 (en) * | 2020-11-30 | 2024-05-01 | Anhui Meizhi Precision Manufacturing Co., Ltd. | Stator sheet, stator core, motor, compressor, and refrigeration device |
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