CN103795214A - Coreless disc type motor - Google Patents
Coreless disc type motor Download PDFInfo
- Publication number
- CN103795214A CN103795214A CN201210431391.3A CN201210431391A CN103795214A CN 103795214 A CN103795214 A CN 103795214A CN 201210431391 A CN201210431391 A CN 201210431391A CN 103795214 A CN103795214 A CN 103795214A
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Abstract
The invention discloses a coreless disc type motor. The coreless disc type motor comprises a shaft, a stator assembly, a rotor assembly, a front end cover, a rear end cover and a circuit board assembly. The stator assembly comprises a coil fixing support, a coil assembly and a coil cover plate; the coil fixing support is disc-shaped, and a central hole of the support sleeves the middle part of a shaft; the front end cover and the rear end cover are respectively fixed at the two sides of the coil fixing support; a plurality of fan-shaped coil positioning blocks are arranged inside the coil fixing support; the coil assembly is formed by connecting a plurality of fan-shaped windings; the fan-shaped windings sleeve the coil positioning blocks; the coil cover plate is fixed on the coil fixing support and covers the coil assembly; the rotor assembly comprises a disc-shaped back iron and a magnetic steel fixed on the back iron; and the back iron is fixed on the shaft. When a coil is damaged, what is needed is just to replace a damaged winding, thus maintenance is very simple and convenient, at the same time, such a structure enables motor power to be made larger, and the motor is high efficient and more energy-saving.
Description
Technical field
The present invention relates to a kind of iron-core-free disc motor.
Background technology
Disc type electric machine is again Ultra-thin electric machine or dish formula motor, is characterized in: volume is little, lightweight, compact conformation, efficiency are high.Disc type electric machine is generally the structure of two rotor folder a slice stators.The structure of stator comprises two kinds, metal structure and iron-core-free structure.Metal structure is generally pressed into dish with restriction radial flux by silicon steel sheet volume, winding is fixed on silicon steel sheet or in groove, the motor of this structure is in operation process, two rotors produce powerful alternating magnetic field vertically, metal guide is known from experience at the very large short circuit current of inside formation, rotor is produced to magnetic resistance and stator iron loss, cause stator heating, motor power consumption is increased greatly.Iron-core-free structure is due to iron-core-free, and power of motor can only do very little.Iron-core-free structure is again injection moulding or form structure, injection moulding or form are generally that the good coil of coiling is placed in mould, injection moulding or pour into the technique of integral moulding, the stator field air gap that adopts this technique to make is larger, magnetic field power density utilance is low, so general efficiency is also lower, this process operation cost is high in addition, production efficiency is low, maintenanceability is poor, in the time that the coil in motor has one group to damage, whole motor stator must be scrapped.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of iron-core-free disc motor easily efficient, energy-conservation, easy to maintenance.
In order to solve the problems of the technologies described above, technical scheme provided by the present invention is: a kind of iron-core-free disc motor, comprise axle, be enclosed within the plate-like at the middle part of axle stator module, be arranged on stator module both sides and rotor assembly, the front end housing that is separately fixed at stator module both sides and the rear end cap of the plate-like that is fixedly connected with axle and be fixed on the circuit board module on stator module; Described stator module comprises coil fixed support, coil block and coil cover plate; Described coil fixed support is also plate-like, and its center borehole jack is at the middle part of axle; Described front end housing and rear end cap are separately fixed at the support bracket fastened both sides of coil; In described coil fixed support, be provided with multiple fan-shaped coil location pieces; Described coil block is formed by connecting by multiple fan-shaped windings; The fan-shaped winding of described coil block is corresponding one by one with the support bracket fastened coil location piece of coil, and fan-shaped winding is enclosed within on coil location piece; Described coil cover plate is fixed on coil fixed support, and covers coil block; Described rotor assembly comprises the back iron of plate-like, and is fixed on the magnet steel on back iron; Described back iron is fixed on axle.
The outer wall of the support bracket fastened centre bore of coil of described stator module is provided with multiple wire clamp; Connecting line between each fan-shaped winding of described coil block is fixed on the outer wall of the support bracket fastened centre bore of coil by wire clamp.
On the support bracket fastened each coil location piece of coil of described stator module, be equipped with reference column; Described coil cover plate is provided with multiple location holes that coordinate with the reference column on each coil location piece respectively.
The support bracket fastened inwall of coil of described stator module is provided with multiple detents; The edge of described coil cover plate is provided with multiple locator protrusionss that coordinate one by one with the groove on coil fixed support inwall.
In the coil fixed support of described stator module, be provided with multiple binding post mount pads near inwall place; In described binding post mount pad, be provided with binding post; The lead-in wire of described coil block is wrapped on binding post; The edge of described coil cover plate is provided with multiple binding post slots to make way that coordinate with every binding post respectively.
The magnet steel of described rotor assembly sticks on back iron.
The installation site of the Hall of described iron-core-free disc motor is arranged on the outer rim position of rotor assembly, and the induction center of Hall is in the abutting edge of magnet steel and back iron.
Described circuit board module comprises driver circuit plate and wiring board support; The inwall of described wiring board support is provided with multiple wiring board joint pins, and driver circuit plate is provided with multiple wiring board location holes that coordinate with every wiring board joint pin respectively; In the coil fixed support of described stator module, be provided with multiple spacers near inwall place, wiring board support is provided with multiple support location notchs that coordinate with each spacer respectively; On described driver circuit plate and wiring board support, be respectively equipped with the binding post hole and the binding post through hole that coordinate with the support bracket fastened binding post of coil of stator module.
A kind of iron-core-free disc motor, also comprises multiple locating detents, and is arranged on the beam in each locating detent; Described each locating detent is divided into three parts, and three parts of locating detent are separately positioned on the outer wall of stator module, front end housing and rear end cap.
Described have being arranged in the part on stator module and being arranged on and being respectively equipped with the rear end cap reference column and the rear end cap location notch that match in the part on rear end cap of a locating detent.
Adopt after technique scheme, the present invention has following beneficial effect: (1) coil block of the present invention is formed by connecting by multiple fan-shaped windings, in the time that coil damages, only need to change the winding damaging, therefore maintenance is very simple and convenient, this structure can do more the power of motor simultaneously, makes motor more efficient, energy-conservation.
(2) connecting line between each fan-shaped winding of coil block of the present invention is fixed on by wire clamp on the outer wall of the support bracket fastened centre bore of coil, and this structure makes the wiring of coil block clear, therefore safeguards more simple and convenient.
(3) in each locating detent of the present invention, beam is all installed, vibrations when this structure can reduce motor operation impact the structure of motor, make the structure of motor more stable.
Accompanying drawing explanation
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is structural representation of the present invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is structural representation of the present invention.
Fig. 4 is that Fig. 3 removes the structural representation after coil cover plate.
Fig. 5 is that Fig. 4 removes the structural representation after coil block.
Fig. 6 is the structural representation of rear end cap of the present invention.
Fig. 7 is the structural representation of circuit board module of the present invention.
Fig. 8 is the explosive view of Fig. 7.
Label in accompanying drawing is:
Stator module 2, coil fixed support 21, coil location piece 211, centre bore 212, wire clamp 213, reference column 214, detent 215, binding post mount pad 216, binding post 217, spacer 218, coil block 22, fan-shaped winding 221, coil cover plate 23, location hole 231, locator protrusions 232, binding post slot to make way 233;
Locating detent 7, rear end cap reference column 71, rear end cap location notch 72;
Beam 8.
Embodiment
(embodiment 1)
See Fig. 1, the iron-core-free disc motor of the present embodiment comprises axle 1, be enclosed within the stator module 2 of the plate-like at the middle part of axle 1, be arranged on stator module 2 both sides and rotor assembly 3, the front end housing 4 that is separately fixed at stator module 2 both sides and the rear end cap 5 of the plate-like that is fixedly connected with axle 1, be fixed on circuit board module 6, the multiple locating detent 7 on stator module 2 and be arranged on the beam 8 in each locating detent 7.
Stator module 2 comprises coil fixed support 21, coil block 22 and coil cover plate 23.Coil fixed support 21 is also plate-like, and its centre bore 212 is enclosed within the middle part of axle 1.Front end housing 4 and rear end cap 5 are separately fixed at the both sides of coil fixed support 21.In coil fixed support 21, be provided with multiple fan-shaped coil location pieces 211.Coil block 22 is formed by connecting by multiple fan-shaped windings 221.The fan-shaped winding 221 of coil block 22 is corresponding one by one with the coil location piece 211 of coil fixed support 21, and fan-shaped winding 221 is enclosed within on coil location piece 211.Coil cover plate 23 is fixed on coil fixed support 21, and covers coil block 22.The outer wall of the centre bore 212 of coil fixed support 21 is provided with multiple wire clamp 213.Connecting line between each fan-shaped winding 221 of coil block 22 is fixed on the outer wall of centre bore 212 of coil fixed support 21 by wire clamp 213.On each coil location piece 211 of coil fixed support 21, be equipped with reference column 214.Coil cover plate 23 is provided with multiple location holes 231 that coordinate with the reference column 214 on each coil location piece 211 respectively.The inwall of the coil fixed support 21 of stator module 2 is provided with multiple detents 215.The edge of coil cover plate 23 is provided with multiple locator protrusionss 232 that coordinate one by one with the groove 215 on coil fixed support 21 inwalls.In the coil fixed support 21 of stator module 2, be provided with multiple binding post mount pads 216.In binding post mount pad 216, be provided with binding post 217.The lead-in wire of coil block 22 is wrapped on binding post 217.The edge of coil cover plate 23 is provided with multiple binding post slots to make way 233 that coordinate with every binding post 217 respectively.
The present embodiment is provided with four locating detents 7, and each locating detent 7 is divided into three parts, and three parts of locating detent 7 are separately positioned on the outer wall of stator module 2, front end housing 4 and rear end cap 5.There is being arranged in the part on stator module 2 and being arranged on and being respectively equipped with the rear end cap reference column 71 and the rear end cap location notch 72 that match in the part on rear end cap 5 of a locating detent 7.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an iron-core-free disc motor, comprise axle (1), be enclosed within the plate-like at the middle part of axle (1) stator module (2), be arranged on stator module (2) both sides and rotor assembly (3), the front end housing (4) that is separately fixed at stator module (2) both sides and the rear end cap (5) of the plate-like that is fixedly connected with axle (1) and be fixed on the circuit board module (6) on stator module (2); It is characterized in that: described stator module (2) comprises coil fixed support (21), coil block (22) and coil cover plate (23); Described coil fixed support (21) is also plate-like, and its centre bore (212) is enclosed within the middle part of axle (1); Described front end housing (4) and rear end cap (5) are separately fixed at the both sides of coil fixed support (21); In described coil fixed support (21), be provided with multiple fan-shaped coil location pieces (211); Described coil block (22) is formed by connecting by multiple fan-shaped windings (221); The fan-shaped winding (221) of described coil block (22) is corresponding one by one with the coil location piece (211) of coil fixed support (21), and fan-shaped winding (221) is enclosed within on coil location piece (211); It is upper that described coil cover plate (23) is fixed on coil fixed support (21), and cover coil block (22); Described rotor assembly (3) comprises the back iron (31) of plate-like, and is fixed on the magnet steel (32) on back iron (31); Described back iron (31) is fixed on axle (1).
2. a kind of iron-core-free disc motor according to claim 1, is characterized in that: the outer wall of the centre bore (212) of the coil fixed support (21) of described stator module (2) is provided with multiple wire clamp (213); Connecting line between each fan-shaped winding (221) of described coil block (22) is fixed on the outer wall of centre bore (212) of coil fixed support (21) by wire clamp (213).
3. a kind of iron-core-free disc motor according to claim 1, is characterized in that: on each coil location piece (211) of the coil fixed support (21) of described stator module (2), be equipped with reference column (214); Described coil cover plate (23) is provided with multiple location holes (231) that coordinate with the reference column (214) on each coil location piece (211) respectively.
4. according to a kind of iron-core-free disc motor described in claim 1 or 3, it is characterized in that: the inwall of the coil fixed support (21) of described stator module (2) is provided with multiple detents (215); The edge of described coil cover plate (23) is provided with multiple locator protrusionss (232) that coordinate one by one with the groove (215) on coil fixed support (21) inwall.
5. a kind of iron-core-free disc motor according to claim 1, is characterized in that: in the coil fixed support (21) of described stator module (2), be provided with multiple binding post mount pads (216); In described binding post mount pad (216), be provided with binding post (217); The lead-in wire of described coil block (22) is wrapped on binding post (217); The edge of described coil cover plate (23) is provided with multiple binding post slots to make way (233) that coordinate with every binding post (217) respectively.
6. a kind of iron-core-free disc motor according to claim 1, is characterized in that: the magnet steel (32) of described rotor assembly (3) sticks on back iron (31).
7. a kind of iron-core-free disc motor according to claim 6, it is characterized in that: the installation site of the Hall of described iron-core-free disc motor is arranged on the outer rim position of rotor assembly (3), the induction center of Hall is the abutting edge with back iron (31) at magnet steel (32).
8. a kind of iron-core-free disc motor according to claim 1, is characterized in that: described circuit board module (6) comprises driver circuit plate (61) and wiring board support (62); The inwall of described wiring board support (62) is provided with multiple wiring board joint pins (621), and driver circuit plate (61) is provided with multiple wiring board location holes (611) that coordinate with every wiring board joint pin (621) respectively; In the coil fixed support (21) of described stator module (2), be provided with multiple spacers (218) near inwall place, wiring board support (62) is provided with multiple support location notchs (622) that coordinate with each spacer (218) respectively; On described driver circuit plate (61) and wiring board support (62), be respectively equipped with the binding post hole (612) and the binding post through hole (623) that coordinate with the binding post (217) of the coil fixed support (21) of stator module (2).
9. a kind of iron-core-free disc motor according to claim 1, is characterized in that: also comprise multiple locating detents (7), and be arranged on the beam (8) in each locating detent (7); Described each locating detent (7) is divided into three parts, and three parts of locating detent (7) are separately positioned on the outer wall of stator module (2), front end housing (4) and rear end cap (5).
10. a kind of iron-core-free disc motor according to claim 1, is characterized in that: described in have being arranged in the part on stator module (2) and being arranged on and being respectively equipped with the rear end cap reference column (71) and the rear end cap location notch (72) that match in the part on rear end cap (5) of a locating detent (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431391.3A CN103795214A (en) | 2012-10-31 | 2012-10-31 | Coreless disc type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431391.3A CN103795214A (en) | 2012-10-31 | 2012-10-31 | Coreless disc type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103795214A true CN103795214A (en) | 2014-05-14 |
Family
ID=50670628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210431391.3A Pending CN103795214A (en) | 2012-10-31 | 2012-10-31 | Coreless disc type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103795214A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305664A (en) * | 2014-07-26 | 2016-02-03 | 崔文剑 | Motor frame and disc type motor adopting same |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| CN107453495A (en) * | 2017-09-15 | 2017-12-08 | 江苏和晖电动工具有限公司 | A kind of iron-core-free axial-flux electric machine stator and its manufacture method |
| CN110661351A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN113270952A (en) * | 2021-03-27 | 2021-08-17 | 大庆虹铭科技有限公司 | Flexible driving semi-direct drive motor for oil pumping unit |
-
2012
- 2012-10-31 CN CN201210431391.3A patent/CN103795214A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305664A (en) * | 2014-07-26 | 2016-02-03 | 崔文剑 | Motor frame and disc type motor adopting same |
| CN105305664B (en) * | 2014-07-26 | 2017-11-17 | 崔文剑 | Motor skeleton and the disc type electric machine using the motor skeleton |
| CN107453495A (en) * | 2017-09-15 | 2017-12-08 | 江苏和晖电动工具有限公司 | A kind of iron-core-free axial-flux electric machine stator and its manufacture method |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| CN110661351A (en) * | 2018-06-29 | 2020-01-07 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN113270952A (en) * | 2021-03-27 | 2021-08-17 | 大庆虹铭科技有限公司 | Flexible driving semi-direct drive motor for oil pumping unit |
| CN113270952B (en) * | 2021-03-27 | 2023-04-25 | 大庆虹铭科技有限公司 | Flexible driving semi-direct driving motor for oil pumping unit |
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Application publication date: 20140514 |