CN104967256A - Disc type motor with adjustable air gap - Google Patents
Disc type motor with adjustable air gap Download PDFInfo
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- CN104967256A CN104967256A CN201510409225.7A CN201510409225A CN104967256A CN 104967256 A CN104967256 A CN 104967256A CN 201510409225 A CN201510409225 A CN 201510409225A CN 104967256 A CN104967256 A CN 104967256A
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- air gap
- disc type
- stator
- bearing cap
- adjustable
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Abstract
The invention discloses a disc type motor with an adjustable air gap, belongs to the technical field of motor equipment, and is designed for solving problems that the air gaps of existing disc type motors are not adjustable and are not convenient to use. The disc type motor with the adjustable air gap comprises a motor shell, a stator which is arranged in the motor shell, a stator winding which sleeves outside the stator, a rotor which is arranged to be coaxial with the stator, a bearing which is connected with the rotor, a bearing cap which is arranged at the external part of the motor shell and connected with the bearing, and a driving device which is used for driving the bearing cap to rotate. The bearing cap can rotate relative to the motor shell. The bearing cap can adjust the gap between the stator and the rotor via the bearing. The disc type motor with the adjustable air gap is convenient to use, high in reliability, low in manufacturing cost and suitable for large-scale popularization.
Description
Technical field
The present invention relates to the disc type electric machine that a kind of air gap is adjustable.
Background technology
Disc type electric machine comprises stators and rotators, and stator is arranged on flat substrate, and rotor cover is on stator, and usually, stator is coil, and rotor is permanent magnet or the disk being stained with permanent magnet, and disc type electric machine is widely used due to characteristics such as its quality are light, structure is thin.
Air gap refers to the air gap existed between motor stator and rotor, the efficiency of cutting magnetic induction line when the size of air gap value can affect electric motor starting moment of torsion and run.Air gap is crossed senior general and is caused motor power factor to decline, and the too little performance of ventilating of motor that makes of air gap declines, thus affects the heat radiation of motor, and electric machine temperature rise is aggravated.
The air gap value of existing disc type electric machine is all fixing, and in the process that the later stage uses, air gap value can not adjust according to actual user demand, uses inconvenience, changes different disc type electric machines and can cause rolling up of cost.
Summary of the invention
The object of the invention is to propose a kind of easy to use, reliability is high, low cost of manufacture, be suitable for the adjustable disc type electric machine of the air gap of large-scale promotion.
For reaching this object, the present invention by the following technical solutions:
The disc type electric machine that a kind of air gap is adjustable, comprising casing, the stator arranged in described casing, at the outer sheathed stator winding of described stator, the rotor, the bearing be connected with described rotor that coaxially arrange with described stator, being arranged at the bearing cap be connected with described bearing of described casing outside and the drive unit for driving described bearing cap to rotate, wherein, described bearing cap can rotate relative to described casing, and described bearing cap adjusts the gap between described stator and described rotor by described bearing.
As a preferred version of the present invention, described drive unit is turbo-dynamo.
As a preferred version of the present invention, the outer peripheral face of described bearing cap is provided with keyway, the power transmission shaft of described turbo-dynamo is provided with spline, described keyway and described spline suitable, the power transmission shaft of described turbo-dynamo can drive described bearing cap rotate and then adjust the gap between described stator and described rotor by described bearing.
As a preferred version of the present invention, the outer peripheral face of described bearing cap is provided with spline, the power transmission shaft of described turbo-dynamo is provided with keyway, described spline and described keyway suitable, the power transmission shaft of described turbo-dynamo can drive described bearing cap rotate and then adjust the gap between described stator and described rotor by described bearing.
As a preferred version of the present invention, the outer peripheral face of described bearing cap is provided with external screw thread, and described casing is provided with internal thread on the face contacted with described bearing cap, and described external screw thread and described internal thread form a threaded connection pair.
As a preferred version of the present invention, the outer peripheral face of described bearing cap is provided with internal thread, and described casing is provided with external screw thread on the face contacted with described bearing cap, and described internal thread and described external screw thread form a threaded connection pair.
As a preferred version of the present invention, between described stator and described rotor, be provided with permanent magnet.
As a preferred version of the present invention, a side of described rotor is relative with described stator, and another side is relative with end cap, and described end cap and described casing form cavity.
As a preferred version of the present invention, described end cap has accommodation section, and described accommodation section inner sleeve is set up defences konisphere.
As a preferred version of the present invention, described casing has circular open on a side relative with the side arranging described end cap, and described opening part is provided with described bearing, described bearing cap and described opening suitable.
Beneficial effect of the present invention is:
(1) disc type electric machine that air gap provided by the invention is adjustable comprises the bearing cap and casing that are threaded connection, turbo-dynamo drivable shaft holds lid and rotates, movable and then the rotor driven of dynamic bearing can be with when bearing cap rotates move, achieve the regulatory function of the size of gaps to disk type electric motor rotor and stator.
(2) when turbo-dynamo rotates forward, screw thread between bearing cap and casing mutually slides and epitrochanterian bearing is advanced, furthermore achieved that the air gap of rotor and stator increases, reducing the back-emf that stator winding produces when being energized simultaneously, reaching the object increasing motor maximum speed; When turbo-dynamo rotates backward, the screw thread between bearing cap and casing slides mutually, furthermore achieved that the air gap of rotor and stator reduces, and increases the back-emf that stator winding produces when being energized simultaneously, reaches the object increasing motor maximum torque.
(3) disc type electric machine provided by the invention, larger output torque can be provided when air gap is less, higher rotating speed can be provided when air gap is larger, have and improve motor performance, improve the advantage that vehicle climbing capacity and highest line sail the speed of a motor vehicle, cheap for manufacturing cost, reliability is high, be suitable for large-scale promotion.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the adjustable disc type electric machine of air gap that the preferred embodiment of the present invention one provides.
Be labeled as in figure:
1, stator; 2, casing; 3, stator winding; 4, permanent magnet; 5, end cap; 6, rotor; 7, dust ring; 8, bearing; 9, bearing cap; 10, turbo-dynamo.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Preferred embodiment one:
Fig. 1 is the structural representation of the adjustable disc type electric machine of air gap that the preferred embodiment of the present invention one provides.The stator 1 that the disc type electric machine that this air gap is adjustable comprises casing 2, arrange in casing 2, at stator 1 outer sheathed stator winding 3, the rotor 6, the bearing 8 that with rotor 6 be connected, the bearing cap 9 that with bearing 8 be connected that be arranged at casing 2 outside and the drive unit that for driving bearing lid 9 rotate that arrange coaxial with stator 1, wherein, bearing cap 9 can rotate relative to casing 2, bearing cap 9 adjusts the gap between stator 1 and rotor 6 by bearing 8, and this disc type electric machine also comprises the permanent magnet 4 be located between stator 1 and rotor 6.
One side of rotor 6 is relative with stator 1, and another side is relative with end cap 5, and end cap 5 and casing 2 form cavity; End cap 5 has accommodation section, and accommodation section inner sleeve is set up defences konisphere 7, enters dust, impurity etc. for preventing in cavity.
In the present embodiment, drive unit is preferably turbo-dynamo 10, can also be the Drive Structure of other types, as turbine and worm structure, cam structure etc., bearing cap 9 can be driven to rotate relative to casing 2.
The outer peripheral face of bearing cap 9 is provided with keyway, and the power transmission shaft of turbo-dynamo 10 is provided with spline, keyway and spline suitable, the power transmission shaft of turbo-dynamo 10 can drive bearing cap 9 to rotate and then adjust the gap between stator 1 and rotor 6 by bearing 8; The outer peripheral face of bearing cap 9 is provided with external screw thread, and casing 2 is provided with internal thread on the face contacted with bearing cap 9, and external screw thread and internal thread form a threaded connection pair; Casing 2 has circular open on a side relative with the side arranging end cap 5, and opening part is provided with bearing 8, and bearing cap 9 is suitable with opening.
The course of work is: when turbo-dynamo 10 rotates forward, screw thread between bearing cap 9 and casing 2 mutually slides and epitrochanterian bearing is advanced, furthermore achieved that rotor 6 increases with the air gap of stator 1, reducing the back-emf that stator winding 3 produces when being energized simultaneously, reaching the object increasing motor maximum speed; When turbo-dynamo 10 rotates backward, screw thread between bearing cap 9 and casing 2 slides mutually, furthermore achieved that rotor 6 reduces with the air gap of stator 1, increasing the back-emf that stator winding 3 produces when being energized simultaneously, reach the object increasing motor maximum torque.
Preferred embodiment two:
The disc type electric machine that this preferred embodiment provides a kind of air gap adjustable.The disc type electric machine that this air gap is adjustable comprise casing, the stator arranged in casing, at the outer sheathed stator winding of stator, the rotor, the bearing be connected with rotor, the bearing cap be connected with bearing being arranged at casing outside and the drive unit rotated for driving bearing lid that coaxially arrange with stator, wherein, bearing cap can rotate relative to casing, bearing cap is by the gap between bearing adjustment stators and rotators, and this disc type electric machine also comprises the permanent magnet be located between stators and rotators.
One side of rotor is relative with stator, and another side is relative with end cap, and end cap and casing form cavity; End cap has accommodation section, and accommodation section inner sleeve is set up defences konisphere, enters dust, impurity etc. for preventing in cavity.
In the present embodiment, the outer peripheral face of bearing cap is provided with spline, and the power transmission shaft of turbo-dynamo is provided with keyway, spline and keyway suitable, the power transmission shaft of turbo-dynamo can drive bearing cap to rotate and then by the gap between bearing adjustment stators and rotators; The outer peripheral face of bearing cap is provided with internal thread, and casing is provided with external screw thread on the face contacted with bearing cap, and internal thread and external screw thread form a threaded connection pair.
The disc type electric machine course of work that in the present embodiment, air gap is adjustable is identical with the course of work in preferred embodiment one, repeats no more herein.
The disc type electric machine that the air gap that the present embodiment provides is adjustable can provide larger output torque when air gap is less, higher rotating speed can be provided when air gap is larger, have and improve motor performance, improve the advantage that vehicle climbing capacity and highest line sail the speed of a motor vehicle, cheap for manufacturing cost, reliability is high, be suitable for large-scale promotion.
It is more than the embodiment provided by reference to the accompanying drawings; only realize preferred version of the present invention to be not intended to limit; anyly the specific embodiment of the present invention is modified or equivalent replacement is carried out to portion of techniques feature; and do not depart from the spirit of technical solution of the present invention, all should be encompassed in request of the present invention protection technical scheme scope in the middle of.Protection scope of the present invention also comprises those skilled in the art and does not pay the thinkable any alternate embodiments of creative work.
Claims (10)
1. the disc type electric machine that an air gap is adjustable, it is characterized in that, comprise casing (2), the stator (1) arranged in described casing (2), at the stator winding (3) that described stator (1) is sheathed outward, the rotor (6) that arrange coaxial with described stator (1), the bearing (8) be connected with described rotor (6), be arranged at the bearing cap (9) be connected with described bearing (8) that described casing (2) is outside, and the drive unit for driving described bearing cap (9) to rotate, wherein, described bearing cap (9) can rotate relative to described casing (2), described bearing cap (9) adjusts the gap between described stator (1) and described rotor (6) by described bearing (8).
2. the disc type electric machine that a kind of air gap according to claim 1 is adjustable, is characterized in that, described drive unit is turbo-dynamo (10).
3. the disc type electric machine that a kind of air gap according to claim 2 is adjustable, it is characterized in that, the outer peripheral face of described bearing cap (9) is provided with keyway, the power transmission shaft of described turbo-dynamo (10) is provided with spline, described keyway and described spline suitable, the power transmission shaft of described turbo-dynamo (10) can drive described bearing cap (9) to rotate and then adjust the gap between described stator (1) and described rotor (6) by described bearing (8).
4. the disc type electric machine that a kind of air gap according to claim 2 is adjustable, it is characterized in that, the outer peripheral face of described bearing cap (9) is provided with spline, the power transmission shaft of described turbo-dynamo (10) is provided with keyway, described spline and described keyway suitable, the power transmission shaft of described turbo-dynamo (10) can drive described bearing cap (9) to rotate and then adjust the gap between described stator (1) and described rotor (6) by described bearing (8).
5. the disc type electric machine that a kind of air gap according to claim 3 or 4 is adjustable, it is characterized in that, the outer peripheral face of described bearing cap (9) is provided with external screw thread, described casing (2) is provided with internal thread on the face contacted with described bearing cap (9), and described external screw thread and described internal thread form a threaded connection pair.
6. the disc type electric machine that a kind of air gap according to claim 3 or 4 is adjustable, it is characterized in that, the outer peripheral face of described bearing cap (9) is provided with internal thread, described casing (2) is provided with external screw thread on the face contacted with described bearing cap (9), and described internal thread and described external screw thread form a threaded connection pair.
7. the disc type electric machine that a kind of air gap according to claim 1 is adjustable, is characterized in that, is provided with permanent magnet (4) between described stator (1) and described rotor (6).
8. the disc type electric machine that a kind of air gap according to claim 7 is adjustable, it is characterized in that, one side of described rotor (6) is relative with described stator (1), another side is relative with end cap (5), and described end cap (5) and described casing (2) form cavity.
9. the disc type electric machine that a kind of air gap according to claim 8 is adjustable, is characterized in that, described end cap (5) has accommodation section, and described accommodation section inner sleeve is set up defences konisphere (7).
10. the disc type electric machine that a kind of air gap according to claim 9 is adjustable, it is characterized in that, described casing (2) has circular open on a side relative with the side arranging described end cap (5), described opening part is provided with described bearing (8), and described bearing cap (9) is suitable with described opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510409225.7A CN104967256A (en) | 2015-07-14 | 2015-07-14 | Disc type motor with adjustable air gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510409225.7A CN104967256A (en) | 2015-07-14 | 2015-07-14 | Disc type motor with adjustable air gap |
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| Publication Number | Publication Date |
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| CN104967256A true CN104967256A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510409225.7A Pending CN104967256A (en) | 2015-07-14 | 2015-07-14 | Disc type motor with adjustable air gap |
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| CN (1) | CN104967256A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718122A (en) * | 2018-06-06 | 2018-10-30 | 林峭 | A kind of motor for taking into account high speed and low-speed performance |
| CN108988564A (en) * | 2018-08-08 | 2018-12-11 | 宁国市双阳精密制造有限公司 | A kind of wear-resistant material production equipment motor |
| CN113049959A (en) * | 2021-05-18 | 2021-06-29 | 哈尔滨理工大学 | Device and method for measuring parameters of micro-special motor |
| CN113078793A (en) * | 2021-05-14 | 2021-07-06 | 上海理工大学 | Air gap self-adaptive switched reluctance motor stator and rotor structure |
| CN114552922A (en) * | 2022-03-31 | 2022-05-27 | 郑州大学 | Assembling process of double-rotor axial flux motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346639A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院电工研究所 | Novel permanent magnet motor |
| CN203827141U (en) * | 2014-05-06 | 2014-09-10 | 华中科技大学 | Disc-type motor with adjustable air gap between stator and rotor |
| CN203942350U (en) * | 2014-07-10 | 2014-11-12 | 山东省明康安托山特种机电有限公司 | The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength |
| CN204794587U (en) * | 2015-07-14 | 2015-11-18 | 华英汽车集团有限公司 | Air gap adjustable disc type electric machine |
-
2015
- 2015-07-14 CN CN201510409225.7A patent/CN104967256A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346639A (en) * | 2013-07-03 | 2013-10-09 | 中国科学院电工研究所 | Novel permanent magnet motor |
| CN203827141U (en) * | 2014-05-06 | 2014-09-10 | 华中科技大学 | Disc-type motor with adjustable air gap between stator and rotor |
| CN203942350U (en) * | 2014-07-10 | 2014-11-12 | 山东省明康安托山特种机电有限公司 | The desk permanent-magnet iron-core less motor of adjustable air gap magnetic strength |
| CN204794587U (en) * | 2015-07-14 | 2015-11-18 | 华英汽车集团有限公司 | Air gap adjustable disc type electric machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108718122A (en) * | 2018-06-06 | 2018-10-30 | 林峭 | A kind of motor for taking into account high speed and low-speed performance |
| CN108988564A (en) * | 2018-08-08 | 2018-12-11 | 宁国市双阳精密制造有限公司 | A kind of wear-resistant material production equipment motor |
| CN113078793A (en) * | 2021-05-14 | 2021-07-06 | 上海理工大学 | Air gap self-adaptive switched reluctance motor stator and rotor structure |
| CN113078793B (en) * | 2021-05-14 | 2022-07-29 | 上海理工大学 | Air gap self-adaptive switched reluctance motor stator and rotor structure |
| CN113049959A (en) * | 2021-05-18 | 2021-06-29 | 哈尔滨理工大学 | Device and method for measuring parameters of micro-special motor |
| CN114552922A (en) * | 2022-03-31 | 2022-05-27 | 郑州大学 | Assembling process of double-rotor axial flux motor |
| CN114552922B (en) * | 2022-03-31 | 2024-01-19 | 郑州大学 | Assembling process of dual-rotor axial flux motor |
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Application publication date: 20151007 |
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