CN104901445A - Motor stator and motor employing same - Google Patents
Motor stator and motor employing same Download PDFInfo
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- CN104901445A CN104901445A CN201510270099.1A CN201510270099A CN104901445A CN 104901445 A CN104901445 A CN 104901445A CN 201510270099 A CN201510270099 A CN 201510270099A CN 104901445 A CN104901445 A CN 104901445A
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- insulating frame
- motor stator
- stator
- joint pin
- motor
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Abstract
The invention discloses a motor stator and a motor employing same. The motor stator comprises a partitioned stator and a stator coil, wherein the partitioned stator comprises a plurality of partitioned iron cores arranged on the circumferential direction, and the two axial ends of each partitioned iron core are provided with a first insulating frame and a second insulating frame. A first end and a second end are arranged on the circumferential direction of each first insulating frame, a receiving groove is formed on the first end of each first insulating frame, and the second end of each first insulating frame is provided with a connection projection which rotatably cooperates in a connection groove between adjacent first insulating frames. The stator coil winds on the partitioned stator, and comprises at least one-phase coil. The partitioned iron cores are connected into a linear shape through the first insulating frame, and each phase of coil is continuously wound on at least one part of the linear partitioned iron cores. According to the motor stator of the invention, the production efficiency and reliability of the motor stator are improved, and the cost is lowered.
Description
Technical field
The present invention relates to technical field of motor manufacture, especially relate to a kind of motor stator and there is its motor.
Background technology
In correlation technique, the manufacture method of blocking type electric engine stator to be generally on single piecemeal iron core after independent coiling, again multiple piecemeal iron core is stitched together by fixture, wherein, be wrapped in the lead-out wire of the coil on each piecemeal iron core by PCB (Printed Circuit Board, Chinese is printed circuit board, also known as printed substrate) terminal block connects for every phase winding.
But, because the coil on each piecemeal iron core all has a end of a thread and a line tail, this just makes the extraction line end of whole blocking type electric engine stator a lot, inconvenience is docked with PCB terminal block, and manufacturing process is more, thus this kind of blocking type electric engine stator production efficiency is low, material cost is high, and there is the hidden danger of lead-out wire failure welding.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of motor stator, and the cost of described motor stator is low.
Another object of the present invention is to propose a kind of motor with above-mentioned motor stator.
The motor stator of embodiment according to a first aspect of the present invention, comprise: block stator, described block stator comprises the multiple piecemeal iron cores circumferentially arranged, the axial two ends of each described piecemeal iron core are respectively equipped with the first Insulating frame and the second Insulating frame, each described first Insulating frame has first end and the second end in the circumferential, the described first end of each described first Insulating frame is formed with connecting groove, described second end of each described first Insulating frame is provided with the connection bump in the described connecting groove being engaged in adjacent described first Insulating frame rotationally, and stator coil, described stator coil winding is on described block stator, described stator coil comprises at least one phase coil, wherein said multiple piecemeal iron core is suitable for connecting into linearity by described first Insulating frame, often mutually described coil continuous winding going up at least partially in described multiple piecemeal iron cores of linearity.
According to the motor stator of the embodiment of the present invention, because every phase coil can realize continuous winding, drastically increase the winding efficiency of motor stator, and decrease the extraction line end of the stator coil of motor stator, simplify the Joining Technology of each phase coil, thus improve production efficiency and the reliability of motor stator, and reduce cost.
Particularly, described connection bump comprises the side away from described second Insulating frame that is located at described first Insulating frame and is positioned at the joint pin of described second end of described first Insulating frame, the side away from described second Insulating frame of described first Insulating frame is provided with connection boss on the surface, described connection boss and described joint pin spaced apart in the circumferential, described connecting groove is formed in one end away from described joint pin of described connection boss, and described connecting groove has opening and enters in described connecting groove through described opening to make described joint pin.
Further, the positive stop lug boss that described connection bump also comprises the free end being located at described joint pin is deviate from described connecting groove to prevent the described free end of described joint pin.
Alternatively, the cross-sectional area of described positive stop lug boss is greater than the cross-sectional area of described joint pin.
Alternatively, a side surface of described second Insulating frame of the vicinity of described positive stop lug boss is concordant with the described side surface away from described second Insulating frame being connected boss.
Further, the inwall of the described opening of the vicinity of described connecting groove is provided with retaining convex rib and deviates from from described opening to prevent described joint pin.
Further, the side away from described first Insulating frame of described second Insulating frame is formed with crossed beam trunking on the surface.
Alternatively, line mouths are crossed for two that the same sidewall of described crossed beam trunking are formed with circumferential spaced apart setting.
Further, each described piecemeal iron core one end is in the circumferential formed with groove and the other end is provided with the boss with the described groove fit of adjacent described piecemeal iron core.
The motor of embodiment according to a second aspect of the present invention, comprising: according to the motor stator of the above-mentioned first aspect embodiment of the present invention; And rotor, described rotor is located in described motor stator rotationally.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the motor stator according to the embodiment of the present invention;
Fig. 2 is the schematic diagram of the block stator of two shown in Fig. 1;
Fig. 3 is the explosive view of the block stator shown in Fig. 2;
Fig. 4 a is the front view of the first Insulating frame shown in Fig. 3;
Fig. 4 b is the vertical view of the first Insulating frame shown in Fig. 4 a;
Fig. 5 a is the front view of the second Insulating frame shown in Fig. 3;
Fig. 5 b is the upward view of the second Insulating frame shown in Fig. 5 a;
Fig. 6 is the vertical view of the piecemeal iron core shown in Fig. 3;
Fig. 7 is the schematic diagram of the multiple piecemeal iron cores according to the embodiment of the present invention;
Fig. 8 connects into the schematic diagram after linearity according to multiple piecemeal iron cores of the embodiment of the present invention by the first Insulating frame;
Fig. 9 is the coiling schematic diagram of stator coil on multiple piecemeal iron cores of linearity according to the embodiment of the present invention.
Reference numeral:
100: motor stator;
1: block stator;
11: piecemeal iron core; 111: yoke portion; 112: teeth portion; 1121: tooth boots portion;
1111: holddown groove; 1112: groove; 1113: boss;
12: the first Insulating frames; 121: joint pin; 122: connect boss; 1221: connecting groove; 1222: opening;
123: positive stop lug boss; 124: retaining convex rib;
13: the second Insulating frames; 131: crossed beam trunking; 132: cross line mouth;
14: winding slot; 2: stator coil.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to Fig. 1-Fig. 9, the motor stator 100 according to the embodiment of the present invention is described.Wherein, motor stator 100 may be used in inner rotor type motor.In description below the application, for motor stator 100 for being described in inner rotor type motor.
As shown in Figure 1, the motor stator 100 of embodiment according to a first aspect of the present invention, comprises block stator 1 and stator coil 2.
Specifically, block stator 1 comprises the multiple piecemeal iron cores 11 circumferentially arranged, and with reference to Fig. 1, multiple piecemeal iron core 11 surrounds annular substantially.Wherein, each piecemeal iron core 11 comprises yoke portion 111 and is connected to the teeth portion 112 of side, yoke portion 111 (such as, the downside in Fig. 6), and one end away from yoke portion 111 of teeth portion 112 (such as, lower end in Fig. 6) there is tooth boots portion 1121, as shown in Figure 6.Winding slot 14 is limited between the teeth portion 112 of adjacent two piecemeal iron cores 11.Be appreciated that piecemeal iron core 11 number and concrete shape etc. can according to actual requirement adaptive change, the present invention does not do concrete restriction to this.
Further, the side away from teeth portion 112 in yoke portion 111 is formed with holddown groove 1111 on the surface, and for example, referring to Fig. 6, holddown groove 1111 can be dovetail groove, but is not limited thereto.Thus, piecemeal iron core 11 can be arranged in winding clamp frock by holddown groove 1111 to facilitate coiling.
The axial two ends of each piecemeal iron core 11 (such as, top and bottom in Fig. 3) be respectively equipped with the first Insulating frame 12 and the second Insulating frame 13, each first Insulating frame 12 has first end (such as in the circumferential, right-hand member in Fig. 4 a) and the second end is (such as, left end in Fig. 4 a), the above-mentioned first end of each first Insulating frame 12 is formed with connecting groove 1221, above-mentioned second end of each first Insulating frame 12 is provided with connection bump, and connection bump is engaged in the connecting groove 1221 of the first adjacent Insulating frame 12 rotationally.Thus, can be linked into an integrated entity by connection bump and connecting groove 1221 between the first Insulating frame 12, and can relatively rotate between the first Insulating frame 12.
With reference to Fig. 2 composition graphs 3, first Insulating frame 12 is located at the top of piecemeal iron core 11, second Insulating frame 13 is located at the bottom of piecemeal iron core 11, first Insulating frame 12 and the second Insulating frame about 13 coordinate, and are separated by the stator coil 2 be wrapped on piecemeal iron core 11 with the surface of piecemeal iron core 11.Alternatively, the first Insulating frame 12 and the second Insulating frame 13 are working of plastics.
Stator coil 2 is wrapped on block stator 1, and stator coil 2 comprises at least one phase coil.Preferably, stator coil 2 comprises three-phase coil.Wherein, multiple piecemeal iron core 11 is suitable for connecting into linearity by the first Insulating frame 12, as shown in Figure 8, and every phase coil continuous winding going up at least partially in multiple piecemeal iron cores 11 of linearity, as shown in Figure 9.
The concrete installation process of motor stator 100 is as follows: first, the first Insulating frame 12 and the second Insulating frame 13 is mounted to respectively the axial two ends of corresponding piecemeal iron core 11 to form block stator iron core, as shown in Figures 2 and 3; Then, multiple block stator iron core is connected and the shape that is in line with connecting groove 1221 successively by the connection bump on the first Insulating frame 12, as shown in Figure 8; Again multiple block stator iron cores of above-mentioned linearity are fixed in winding clamp frock such as linearity winding clamp frock (scheming not shown) by the holddown groove 1111 of piecemeal iron core 11; Then, stator coil 2 is wrapped on multiple block stator iron core, specifically, such as, as shown in Figure 9, when stator coil 2 comprises three-phase coil and block stator iron core number is 12, every phase coil continuous winding is on four block stator iron cores, be separated with two block stator iron cores between two often adjacent in these four block stator iron cores, that is, every phase coil is crossed two block stator iron cores and is wrapped on corresponding block stator iron core; After complete line, take off above-mentioned linearly and be wound with multiple block stator iron cores of stator coil 2, this multiple block stator iron core is encompassed circle, and is welded and fixed to form motor stator 100 between adjacent two piecemeal iron cores 11.
Thus, according to the motor stator 100 of the embodiment of the present invention, because every phase coil can realize continuous winding, drastically increase the winding efficiency of motor stator 100, and decrease the extraction line end of the stator coil 2 of motor stator 100, simplify the Joining Technology of each phase coil, thus improve production efficiency and the reliability of motor stator 100, and reduce cost.
According to a specific embodiment of the present invention, connection bump comprises the side away from the second Insulating frame 13 that is located at the first Insulating frame 12 and is positioned at the joint pin 121 of above-mentioned second end of the first Insulating frame 12.Such as, with reference to Fig. 2 and Fig. 3 composition graphs 4a, joint pin 121 is formed as cylindrical shape substantially, joint pin 121 is located at above-mentioned second end of the first Insulating frame 12, and joint pin 121 extends to the upper surface exceeding the first Insulating frame 12 straight up, joint pin 121 and the projection of the first Insulating frame 12 on the cross section of motor stator 100 only partially overlap, and as shown in fig. 4 a, a part for joint pin 121 is positioned at the outside in the circumference of motor stator 100 of the first Insulating frame 12.Wherein, joint pin 121 is preferably one-body molded with the first Insulating frame 12.
The side away from the second Insulating frame 13 of the first Insulating frame 12 is provided with on the surface and connects boss 122, connect boss 122 spaced apart in the circumferential with joint pin 121, connecting groove 1221 is formed in the one end away from joint pin 121 connecting boss 122, and connecting groove 1221 has opening 1222 and enters in connecting groove 1221 through opening 1222 to make joint pin 121.Such as, with reference to Fig. 2 and Fig. 3 composition graphs 4a and Fig. 4 b, connection boss 122 extends along the circumference of motor stator 100, and the left end of connection boss 122 and joint pin 121 are spaced apart from each other, right-hand member extends the right side of the first Insulating frame 12 to the right, connecting groove 1221 is formed from the right-hand member connecting boss 122 is recessed left, and connecting groove 1221 runs through the upper surface and lower surface that connect boss 122, the right-hand member of connecting groove 1221 is formed as above-mentioned opening 1222, thus the joint pin 121 on the first adjacent Insulating frame 12 can enter in connecting groove 1221 through this opening 1222.Wherein, connect boss 122 preferably one-body molded with the first Insulating frame 12, connecting groove 1221 preferably extends along the circumference of motor stator 100.
Further, connection bump also comprise be located at joint pin 121 free end (such as, upper end in Fig. 4 a) positive stop lug boss 123 deviate from connecting groove 1221 to prevent the above-mentioned free end of joint pin 121, such as, as shown in Fig. 2-Fig. 4 b, the cross-sectional area of positive stop lug boss 123 is greater than the cross-sectional area of joint pin 121, thus, after the connection bump of adjacent two the first Insulating frames 12 and connecting groove 1221 have been assembled, joint pin 121 between positive stop lug boss 123 and the upper surface of the first Insulating frame 12 is positioned at connecting groove 1221, and the upper surface of positive stop lug boss 123 and the first Insulating frame 12 lays respectively at the upper side and lower side of connecting groove 1221, thus the upper surface of positive stop lug boss 123 and the first Insulating frame 12 plays effect spacing up and down jointly.
As shown in Figure 4 b, one side surface of vicinity second Insulating frame 13 of positive stop lug boss 123 (such as, lower surface in Fig. 4 b) be connected the side surface away from the second Insulating frame 13 of boss 122 (such as, upper surface in Fig. 4 b) concordant, the height in the vertical direction of the joint pin 121 now between positive stop lug boss 123 and the upper surface of the first Insulating frame 12 is with to be connected boss 122 thickness in the vertical direction roughly equal.Thus, movement in the vertical direction between adjacent two the first Insulating frames 12 can be limited further.
Further, the inwall of the adjacent openings 1222 of connecting groove 1221 is provided with retaining convex rib 124 and deviates from from opening 1222 to prevent joint pin 121.Such as, with reference to Fig. 4 b, retaining convex rib 124 is two, and two retaining convex ribs 124 are located on two internal faces respect to one another at opening 1222 place of connecting groove 1221 respectively, each retaining convex rib 124 extends from the corresponding internal face of connecting groove 1221 towards the direction of another internal face, thus, because the size at opening 1222 place of connecting groove 1221 is less, thus joint pin 121 is entering into by opening 1222 after in connecting groove 1221 not easily to go out from opening 1222, thus the movement effectively defined between adjacent two the first Insulating frames 12 in motor stator 100 circumference, and processing is simple.Wherein, retaining convex rib 124 is preferably with to be connected boss 122 one-body molded.Certainly, retaining convex rib 124 can also only have one, and this retaining convex rib 124 can be formed on any one inwall of the adjacent openings 1222 of connecting groove 1221 (schemes not shown).
According to a further embodiment of the invention, a side surface away from the first Insulating frame 12 of the second Insulating frame 13 (such as, lower surface in Fig. 3) on be formed with crossed beam trunking 131, such as, as shown in Figure 5 b, crossed beam trunking 131 extends along the circumference of motor stator 100, and crossed beam trunking 131 runs through left side and the right side of the second Insulating frame 13.Thus, the stator coil 2 be wrapped between adjacent two block stators 1 of every phase coil can be contained in the crossed beam trunking 131 of the block stator 1 between these two block stators 1.Further, crossed beam trunking 131 can by the side surface away from the first Insulating frame 12 of the second Insulating frame 13 (such as, lower surface in Fig. 3) a part towards the first Insulating frame 12 direction (such as, direction upwards in Fig. 3) recessedly to be formed, so that cross line.
Alternatively, cross line mouth 132 for two that the same sidewall of crossed beam trunking 131 are formed with circumferential spaced apart setting, cross the sidewall that line mouth 132 penetrates wire casing 131.Thus, every phase coil, after being wound around a block stator 1, passing line mouth 132 and entered in crossed beam trunking 131, then crossed line mouth 132 from another and pass, and moved towards next block stator 1 afterwards.
With reference to Fig. 6, each piecemeal iron core 11 one end in the circumferential (such as, left end in Fig. 6) be formed with groove 1112, and each piecemeal iron core 11 other end in the circumferential (right-hand member such as, in Fig. 6) is provided with the boss 1113 coordinated with the groove 1112 of adjacent piecemeal iron core 11.Groove 1112 and boss 1113 are all located at the side of the contiguous teeth portion 112 in the yoke portion 111 of piecemeal iron core 11, and two end faces in the circumference in now yoke portion 111 are all roughly step.Thus, after block stator 1 coiling, when being bent into full circle shape, can ensure that each piecemeal iron core 11 is engaged closely by groove 1112 and the cooperation of boss 1113, it is firm to be welded and fixed.
As shown in Fig. 1-Fig. 9, the first Insulating frame 12 and the second Insulating frame 13 insert from the top and bottom of piecemeal iron core 11 respectively, and form block stator 1 together with being fitted and fixed with piecemeal iron core 11.Linked together by the joint pin 121 of the first Insulating frame 12 both sides and connecting groove 1221 between multiple block stator 1 block stator 1 of composition linearity successively, then buckled by the block stator 1 of this linearity and carry out coiling on linear pattern wire winding tool, coil is between phase and phase embedded in the crossed beam trunking 131 of the second Insulating frame 13.After coiling, rely on the joint pin 121 between the first Insulating frame 12 and connecting groove 1221, multiple block stator 1 is bent to circular stator along the inner periphery central shaft of piecemeal iron core 11 flank of tooth.After adopting special fixture to fix, the junction of each piecemeal iron core 11 is welded into full circle to form motor stator 100.
According to the motor stator 100 of the embodiment of the present invention, every phase coil can the company of realization around, facilitate wire winding tool implement automatic winding, improve threading speed, thus improve the manufacturing efficiency of motor stator 100, reduce cost.
The motor of embodiment such as inner rotor type motor according to a second aspect of the present invention, comprising: according to motor stator 100 and the rotor (scheming not shown) of the present invention's above-mentioned first aspect embodiment.Wherein, rotor is located in motor stator 100 rotationally.
According to the motor such as inner rotor type motor of the embodiment of the present invention, the manufacture efficiency of motor stator 100 is high, thus improves the production efficiency of motor such as inner rotor type motor, has saved cost.
According to the motor such as inner rotor type motor of the embodiment of the present invention other form and operation be all known to those skilled in the art, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a motor stator, is characterized in that, comprising:
Block stator, described block stator comprises the multiple piecemeal iron cores circumferentially arranged, the axial two ends of each described piecemeal iron core are respectively equipped with the first Insulating frame and the second Insulating frame, each described first Insulating frame has first end and the second end in the circumferential, the described first end of each described first Insulating frame is formed with connecting groove, and described second end of each described first Insulating frame is provided with the connection bump in the described connecting groove being engaged in adjacent described first Insulating frame rotationally; With
Stator coil, described stator coil winding is on described block stator, described stator coil comprises at least one phase coil, wherein said multiple piecemeal iron core is suitable for connecting into linearity by described first Insulating frame, often mutually described coil continuous winding going up at least partially in described multiple piecemeal iron cores of linearity.
2. motor stator according to claim 1, is characterized in that, described connection bump comprises the side away from described second Insulating frame that is located at described first Insulating frame and is positioned at the joint pin of described second end of described first Insulating frame,
The side away from described second Insulating frame of described first Insulating frame is provided with connection boss on the surface, described connection boss and described joint pin spaced apart in the circumferential, described connecting groove is formed in one end away from described joint pin of described connection boss, and described connecting groove has opening and enters in described connecting groove through described opening to make described joint pin.
3. motor stator according to claim 2, is characterized in that, the positive stop lug boss that described connection bump also comprises the free end being located at described joint pin is deviate from described connecting groove to prevent the described free end of described joint pin.
4. motor stator according to claim 3, is characterized in that, the cross-sectional area of described positive stop lug boss is greater than the cross-sectional area of described joint pin.
5. motor stator according to claim 3, is characterized in that, a side surface of described second Insulating frame of vicinity of described positive stop lug boss is concordant with the described side surface away from described second Insulating frame being connected boss.
6. motor stator according to claim 2, is characterized in that, the inwall of the described opening of vicinity of described connecting groove is provided with retaining convex rib and deviates from from described opening to prevent described joint pin.
7. motor stator according to claim 1, is characterized in that, the side away from described first Insulating frame of described second Insulating frame is formed with crossed beam trunking on the surface.
8. motor stator according to claim 7, is characterized in that, crosses line mouth for two that the same sidewall of described crossed beam trunking are formed with circumferential spaced apart setting.
9. the motor stator according to any one of claim 1-8, is characterized in that, each described piecemeal iron core one end is in the circumferential formed with groove and the other end is provided with the boss with the described groove fit of adjacent described piecemeal iron core.
10. a motor, is characterized in that, comprising:
Motor stator according to any one of claim 1-9; With
Rotor, described rotor is located in described motor stator rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270099.1A CN104901445A (en) | 2015-05-25 | 2015-05-25 | Motor stator and motor employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270099.1A CN104901445A (en) | 2015-05-25 | 2015-05-25 | Motor stator and motor employing same |
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| Publication Number | Publication Date |
|---|---|
| CN104901445A true CN104901445A (en) | 2015-09-09 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510270099.1A Pending CN104901445A (en) | 2015-05-25 | 2015-05-25 | Motor stator and motor employing same |
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| Country | Link |
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| CN (1) | CN104901445A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105391197A (en) * | 2015-12-29 | 2016-03-09 | 广东美的环境电器制造有限公司 | DC (Direct Current) motor stator module, winding method of DC motor stator module and DC motor with DC motor stator module |
| CN109361283A (en) * | 2018-12-25 | 2019-02-19 | 清华大学苏州汽车研究院（吴江） | A kind of motor stator and motor in axial magnetic field |
| CN110212662A (en) * | 2019-06-18 | 2019-09-06 | 日立电梯电机（广州）有限公司 | The manufacturing method of piece iron core, stator, motor and stator |
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| CN204633484U (en) * | 2015-05-25 | 2015-09-09 | 广东美的环境电器制造有限公司 | Motor stator and the motor with it |
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| US20040222715A1 (en) * | 2003-05-08 | 2004-11-11 | Asmo Co., Ltd. | Insulator and manufacturing method thereof, and stator for electric rotating machine |
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| CN105391197A (en) * | 2015-12-29 | 2016-03-09 | 广东美的环境电器制造有限公司 | DC (Direct Current) motor stator module, winding method of DC motor stator module and DC motor with DC motor stator module |
| CN109361283A (en) * | 2018-12-25 | 2019-02-19 | 清华大学苏州汽车研究院（吴江） | A kind of motor stator and motor in axial magnetic field |
| CN110212662A (en) * | 2019-06-18 | 2019-09-06 | 日立电梯电机（广州）有限公司 | The manufacturing method of piece iron core, stator, motor and stator |
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Application publication date: 20150909 |
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