CN201781336U - Modularized combined type motor stator structure - Google Patents
Modularized combined type motor stator structure Download PDFInfo
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- CN201781336U CN201781336U CN2010202955616U CN201020295561U CN201781336U CN 201781336 U CN201781336 U CN 201781336U CN 2010202955616 U CN2010202955616 U CN 2010202955616U CN 201020295561 U CN201020295561 U CN 201020295561U CN 201781336 U CN201781336 U CN 201781336U
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- iron core
- tooth iron
- type motor
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Abstract
The utility model discloses a modularized combined type motor stator structure. The motor stator structure comprises a cylindrical or circular stator bracket and stator tooth iron cores, wherein T-shaped grooves, of which the bottoms are wide and the openings are narrow, are uniformly distributed on the outer surface of the cylindrical or circular stator bracket; each stator tooth iron core is formed by punching, laminating and fastening stator teeth and comprises a tooth crown, a tooth body, a tooth yoke and a tooth root; the tooth root of each stator tooth iron core is arranged in the groove of the stator bracket respectively; the shape of the tooth root is matched with that of the T-shaped groove of the stator bracket; all stator tooth iron cores are fixed with the stator bracket into a whole through fasteners which pass through through holes on the tooth roots and are positioned in through holes on annular pressure plates at the two ends of the stator bracket; the stator tooth iron cores arranged on the stator bracket are sequentially wound with coils at intervals; an insulated winding framework is arranged between each coil and each stator tooth iron core; the coils on all stator tooth iron cores are connected in series or in parallel so as to form a stator winding of a motor. Due to the adoption of the motor stator structure, the groove fullness of the motor can be enhanced effectively and manufacturing cost is lowered.
Description
Technical field
The utility model relates to a kind of modularized combination type motor stator structure, belongs to technical field of motors.
Background technology
Traditional motor, owing to limited by channel opening, internal rotor/external stator motor particularly, the direct coiling of winding or rule all compare difficult, and copper factor is low, the manufacturing cost height.(U.S. Patent number: US20090302694) proposed a kind of the motor external stator to be disassembled into several denticles, winding that coiling in advance is good and insulating barrier are inserted in stator tooth to existing direct winding technology patent together, and then stator tooth is combined into an integral body; Though can reach the purpose that improves the motor copper factor like this, this structure is only applicable to internal rotor/outer stator structure; In external rotor/internal stator structure, the stator structure that assembly unit like this obtains can fall apart because of the effect of motor radial pull.(U.S. Patent number: also be stator to be inserted separate into several monodentates US7166949), wind coil earlier on single tooth, the engagement by adjacent two tooth yoke portions obtains stator integral body to patent again.Patent CN1476144 disassembles into stator body and several tooth bodies with stator, and tooth body and stator body adopt straight trough shape and alignment pin or tenon to closely cooperate and obtain an integral body.Though can improve the motor copper factor like this, but adjacent stators tooth module adopts and is connected with a joggle, and is because the stator tooth module all is to be formed by silicon steel plate packing, higher to the requirement on machining accuracy of silicon steel sheet, usually need advanced process equipments such as high velocity ram machine, otherwise be difficult to reach the required precision of assembling.Patent (the patent No.: ZL200620020255.5) stator is disassembled into several monodentates, also adopt between the adjacent stators tooth and be connected with a joggle, and lean on adjacent stators tooth intermodule welding, screw rod is fastening and be connected with a joggle and guarantee location and intensity, equally machining accuracy is had higher requirements, and radial strength is limited, and malformation may appear in this structure when particularly radial load was very big.In addition, the motor windings every the tooth coiling has higher copper factor and fault-tolerance.
Summary of the invention
The purpose of this utility model provides a kind of modularized combination type motor stator structure of high fault tolerance, with raising motor copper factor, reduction winding manufacturing cost, and the fault-tolerance of raising motor.
Modularized combination type motor stator structure of the present utility model comprises:
Cylinder or annular stator support and stator tooth iron core, it is wide to be evenly equipped with the bottom at the inner surface of the outer surface of cylindrical stator support or annular stator support, the T-shape groove that opening part is narrow, the stator tooth iron core is by fastening the forming of the folded system of stator tooth punching, the stator tooth iron core comprises crown, the tooth body, tooth yoke and tooth root, the tooth root of each stator tooth iron core is inserted respectively in the groove of stator support, the T-shape groove shapes of the shape of tooth root and stator support matches, and all stator tooths are unshakable in one's determination to utilize the securing member and the stator support of through hole on the annular pressing plate that passes through through hole on the tooth root and be positioned at the stator support two ends to be fixed into an integral body.Be installed in the alternate successively coil that is wound with of stator tooth iron core on the stator support, be provided with the bobbin of insulation between coil and stator tooth iron core, the coil on all stator tooth iron cores is in series or in parallel to form the stator winding of motor.
Above-mentioned stator support can be solid material or is pressed into by lamination stack.
Modularized combination type motor stator structure of the present utility model can be used for external rotor/internal stator motor or internal rotor/external stator motor.
Modularized combination type motor stator structure of the present utility model can be used for monophase machine, three phase electric machine or polyphase machine.
Modularized combination type motor stator structure of the present utility model can be used for face and paste formula magneto, built-in permanent magnetic motor, interpolation type magneto, switched reluctance machines, magnetic linkage reverse motors or permanent-magnetic-switch flux linkage motor.
The beneficial effects of the utility model
Adopt the modularized combination type motor stator structure can effectively improve groove wire embedding degree, reduce the winding manufacturing cost, help improving the fault-tolerance of motor.
Description of drawings
Fig. 1 is the stator structure schematic diagram that is used for external rotor/internal stator motor of the present utility model.
Fig. 2 is a stator tooth of the present utility model schematic diagram unshakable in one's determination.
Fig. 3 is second kind of stator tooth of the present utility model schematic diagram unshakable in one's determination.
Fig. 4 is the third stator tooth of the present utility model schematic diagram unshakable in one's determination.
Fig. 5 is the stator structure schematic diagram that is used for internal rotor/external stator motor of the present utility model.
Fig. 6 is the magnetic linkage reverse motors schematic diagram that is used for of the present utility model.
Fig. 7 is the permanent-magnetic-switch flux linkage motor schematic diagram that is used for of the present utility model.
Fig. 8 is that the tooth yoke projection of stator tooth iron core is half rectangle schematic diagram.
Fig. 9 is that the tooth yoke projection of stator tooth iron core is semicircle schematic diagram.
Figure 10 is that the tooth yoke projection of stator tooth iron core is half triangle schematic diagram.
Figure 11 is that the tooth yoke projection of stator tooth iron core is short lines-semicircle-short lines schematic diagram.
Figure 12 is that the tooth yoke projection of stator tooth iron core is short lines-triangle-short lines schematic diagram.
Figure 13 is that the tooth yoke dual-side of stator tooth iron core is the semi-circular recesses schematic diagram.
Embodiment
Shown in Figure 1 is the modularized combination type stator structure that the utility model is used for external rotor/internal stator motor, this structure comprises: cylindrical stator support 1 and stator tooth iron core 5, it is wide to be evenly equipped with the bottom at the outer surface of cylindrical stator support 1, the T-shape groove that opening part is narrow, the stator tooth iron core as shown in Figure 2, comprise crown a, tooth body b, tooth yoke c and tooth root d, stator tooth iron core 5 is by fastening the forming of the folded system of stator tooth punching, in the illustrated example, through hole 5-1 is arranged on the crown a, on the tooth yoke c through hole 5-2 is arranged, stator tooth iron core 5 is by passing through fastening the forming of securing member that last through hole 5-1 of stator tooth punching crown a and tooth yoke c go up through hole 5-2; Perhaps stator tooth iron core 5 also can be formed admittedly by the riveting fastening on crown, the tooth yoke.The tooth root d of each stator tooth iron core 5 inserts respectively in the groove of stator support 1, the T-shape groove shapes of the shape of tooth root d and stator support 1 matches, and all stator tooths unshakable in one's determination 5 utilize securing member and the stator support 1 of through hole 6-1 on the annular pressing plate 6 that passes through the last through hole 5-3 of tooth root d and be positioned at stator support 1 two ends to be fixed into an integral body.Be installed in the alternate successively coil 3 that is wound with of stator tooth iron core 5 on the stator support 1, be provided with the bobbin 4 of insulation between coil 3 and stator tooth iron core, the coil 3 on all stator tooth iron cores 5 is in series or in parallel to form the stator winding of motor.Stator support 1 can be the solid material of magnetic conduction, as ordinary steel; Can be non-magnetic solid material also, as stainless steel; Perhaps also can be pressed into by lamination stack.
In the legend, two sides of tooth yoke c are the plane, and perhaps tooth yoke c side has projection 15, and another side has the groove 16 that matches with the projection shape, and the tooth yoke c side of adjacent two stator tooth iron cores 5 is meshing with each other; Tooth yoke c projection 15 can be half rectangle as shown in Figure 8; Or as shown in Figure 9, be semicircle; Or as shown in figure 10, be half triangle schematic diagram; Or as shown in figure 11, be short lines-semicircle-short lines; Or as shown in figure 12, be short lines-triangle-short lines; Perhaps also can be as shown in figure 13, two sides of tooth yoke c all have semi-circular recesses 13, and the tooth yoke side of adjacent two stator tooth iron cores is combined into a through hole, and through hole is plugged with alignment pin 14.Make between the adjacent teeth yoke contact-making surface and leave as far as possible little gap, can not increase much with the magnetic resistance that guarantees magnetic circuit.
Modularized combination type motor stator structure of the present utility model can be used for external rotor/internal stator motor or internal rotor/external stator motor.
Modularized combination type motor stator structure of the present utility model can be used for monophase machine, three phase electric machine or polyphase machine.
Modularized combination type motor stator structure of the present utility model can be used for face and pastes formula magneto, built-in permanent magnetic motor, interpolation type magneto, switched reluctance machines, magnetic linkage reverse motors or permanent-magnetic-switch flux linkage motor.
The utility model is used for internal rotor/external stator motor, and stator structure as shown in Figure 5.The difference of this kind situation and external rotor/internal stator motor is the T-shape groove wide in the uniform bottom of the inner surface of annular stator support 1, that opening part is narrow.
The utility model is used for magnetic linkage reverse motors (see figure 6), stator core as shown in Figure 3, magnet steel is posted to 10 in the crown a surface of each stator tooth iron core 5.
The utility model is used for the permanent-magnetic-switch flux linkage motor (see figure 7), stator core as shown in Figure 4, each stator tooth iron core 5 is formed by the folded system of symmetrical two halves stator tooth punching, and accompanies magnet steel 11 between the punching of two halves stator tooth.
Claims (7)
1. modularized combination type motor stator structure is characterized in that this structure comprises:
Cylinder or annular stator support (1) and stator tooth iron core (5), it is wide to be evenly equipped with the bottom at the inner surface of the outer surface of cylindrical stator support (1) or annular stator support (1), the T-shape groove that opening part is narrow, stator tooth iron core (5) is by fastening the forming of the folded system of stator tooth punching, stator tooth iron core (5) comprises crown (a), tooth body (b), tooth yoke (c) and tooth root (d), the tooth root (d) of each stator tooth iron core (5) is inserted respectively in the groove of stator support (1), the T-shape groove shapes of the shape of tooth root (d) and stator support (1) matches, and the utilization of all stator tooth iron cores (5) is passed through securing member and the stator support (1) that tooth root (d) goes up through hole (5-3) and be positioned at the last through hole (6-1) of annular pressing plate (6) at stator support (1) two ends and is fixed into an integral body.Be installed in the alternate successively coil (3) that is wound with of stator tooth iron core (5) on the stator support (1), be provided with the bobbin (4) of insulation between coil (3) and stator tooth iron core, the coil (3) on all stator tooth iron cores (5) is in series or in parallel to form the stator winding of motor.
2. modularized combination type motor stator structure according to claim 1 is characterized in that: magnet steel is posted to (10) in crown (a) surface of each stator tooth iron core (5).
3. modularized combination type motor stator structure according to claim 1 is characterized in that: stator tooth iron core (5) is formed by the folded system of symmetrical two halves stator tooth punching, and accompanies magnet steel (11) between the punching of two halves stator tooth.
4. modularized combination type motor stator structure according to claim 1 is characterized in that: stator support (1) is solid material or is pressed into by lamination stack.
5. modularized combination type motor stator structure according to claim 1 is characterized in that: stator tooth iron core (5) is by passing through fastening the forming of securing member that last through hole (5-1) of stator tooth punching crown (a) and tooth yoke (c) are gone up through hole (5-2); Perhaps stator tooth iron core (5) is formed admittedly by the riveting fastening on crown, the tooth yoke.
6. modularized combination type motor stator structure according to claim 1 is characterized in that: two sides of tooth yoke (c) are the plane; Perhaps a side has projection (15), and another side has the groove (16) that matches with the projection shape, and tooth yoke (c) side of adjacent two stator tooth iron cores (5) is meshing with each other; Perhaps two sides all have semi-circular recesses (13), and tooth yoke (c) side of adjacent two stator tooth iron cores (5) is combined into a through hole, and through hole is plugged with alignment pin (14).
7. modularized combination type motor stator structure according to claim 6 is characterized in that: tooth yoke (c) side projection (15) is semicircle, half rectangle, triangle, short lines-semicircle-short lines or short lines-triangle-short lines.
Priority Applications (1)
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CN2010202955616U CN201781336U (en) | 2010-08-17 | 2010-08-17 | Modularized combined type motor stator structure |
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CN2010202955616U CN201781336U (en) | 2010-08-17 | 2010-08-17 | Modularized combined type motor stator structure |
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CN2010202955616U Expired - Fee Related CN201781336U (en) | 2010-08-17 | 2010-08-17 | Modularized combined type motor stator structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101951041A (en) * | 2010-08-17 | 2011-01-19 | 浙江大学 | Modularized combined motor stator structure and application thereof |
CN110771008A (en) * | 2017-04-24 | 2020-02-07 | 西门子歌美飒可再生能源公司 | Support structure section for a generator of a wind turbine |
CN112219340A (en) * | 2018-06-07 | 2021-01-12 | 利莱森玛电机公司 | Stator for rotating electric machine |
-
2010
- 2010-08-17 CN CN2010202955616U patent/CN201781336U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101951041A (en) * | 2010-08-17 | 2011-01-19 | 浙江大学 | Modularized combined motor stator structure and application thereof |
CN110771008A (en) * | 2017-04-24 | 2020-02-07 | 西门子歌美飒可再生能源公司 | Support structure section for a generator of a wind turbine |
CN110771008B (en) * | 2017-04-24 | 2022-06-07 | 西门子歌美飒可再生能源公司 | Support structure section for a generator of a wind turbine |
CN112219340A (en) * | 2018-06-07 | 2021-01-12 | 利莱森玛电机公司 | Stator for rotating electric machine |
CN112219340B (en) * | 2018-06-07 | 2024-03-15 | 利莱森玛电机公司 | Stator for rotating electrical machine |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20130817 |