CN210431043U - Small-size efficient power generation device - Google Patents
Small-size efficient power generation device Download PDFInfo
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- CN210431043U CN210431043U CN201920023283.XU CN201920023283U CN210431043U CN 210431043 U CN210431043 U CN 210431043U CN 201920023283 U CN201920023283 U CN 201920023283U CN 210431043 U CN210431043 U CN 210431043U
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Abstract
The utility model discloses a small-volume high-efficiency power generation device, which comprises a concave-convex rotor and a coil stator; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space; the magnet and the coil stator jointly control the concave-convex rotor to rotate around the axis. The utility model discloses in, the device includes unsmooth rotor and coil stator, simple structure, can simplify the preparation process in the preparation to reduce the cost of manufacture; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; coil stator fixed mounting makes the coil stator can vertical installation in the magnetic field space of the inside formation of unsmooth rotor at the coil stator fixed in the magnetic field space, and this kind of design, so can save installation space, reduces the volume of device, satisfies the demand of little volume.
Description
Technical Field
The utility model relates to a brushless motor technical field. And more particularly to a brushless motor structure.
Background
In the electromechanical industry, an iron core and a coil are arranged in stator and rotor windings of a traditional alternating current motor, and when the motor is in operation, iron loss and a tooth space effect exist in the stator and the rotor, so that a plurality of defects are brought to the operation; meanwhile, the existence of the iron core brings about large volume and heavy mass of the motor; the iron loss causes the motor to have high operation temperature rise under rated power, thereby being limited in the application in the fields of aviation, aerospace, numerical control machines, electric vehicles and the like. With the progress of science and technology, new materials appear, the motor develops to brushless motor from brush motor, develops to no iron core stage from having the iron core, and no iron core has saved a large amount of steel sheets, has lightened motor weight, more makes things convenient for the installation of coil, because there is not the iron core, so does not have the magnetic resistance, has improved efficiency. The existing coreless brushless motor mainly adopts a disc type motor, but the disc type motor has the problems of large volume and unsuitability for high power.
The prior art (CN203193469U) discloses a coreless disk type DC brushless motor, which comprises a base, an iron-based circuit board, a winding frame, permanent magnets, a rotor floor, a shaft, ball bearings, oil-containing bearings, a gasket and a snap ring, wherein the base is parallel to the rotor floor, the iron-based circuit board, the winding and the permanent magnets are sequentially arranged between the base and the rotor floor, the permanent magnets are fixedly connected with the rotor floor, the same-side magnetic poles of two adjacent permanent magnets are opposite, the permanent magnets are uniformly distributed on the rotor floor, the base, the iron-based circuit board and the winding are connected together by the winding frame, the iron-based circuit board is arranged between the base and the winding, the center of the base is provided with a ball bearing hole and an oil-containing bearing hole which are communicated, the oil-containing bearing hole is arranged at the side of the rotor floor, the ball bearings and the oil-containing bearings are respectively arranged in the ball bearing hole and, the outer wall of the middle part of the shaft is provided with a clamping ring groove, the clamping ring is clamped in the clamping ring groove, the ball bearing and the oil bearing are axially arranged between the clamping ring and a rotor floor, the gasket is arranged between the oil bearing and the rotor floor, and the rotor floor is a magnetic conductive steel plate; however, the coils and the magnets in the disk-type brushless dc motor in the prior art are both horizontally arranged, so that the disk-type brushless dc motor has a large volume, and cannot meet the requirement of small volume and high power.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, an object of the present invention is to provide a small-sized high-efficiency power generation device, which has a simple structure and a small size and can satisfy the requirement of large power.
Another object of the utility model is to provide a little volume high efficiency power generation facility, the device can horizontal installation also can vertical installation, both can do the motor and use and can do the generator and use. In order to achieve the above object, the technical solution of the present invention is as follows.
The utility model provides a small-volume high-efficiency power generation device, which comprises a concave-convex rotor and a coil stator; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space; the magnet and the coil stator jointly control the concave-convex rotor to rotate around the axis. The utility model discloses in, the device includes unsmooth rotor and coil stator, simple structure, can simplify the preparation process in the preparation to reduce the cost of manufacture; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space, and is fixed in the magnetic field space formed in the concave-convex rotor, so that the coil stator can be vertically arranged, the mounting space can be saved, the size of the device is reduced, and the requirement of small size is met; when the device is electrified, the magnet generates a magnetic field, the stator coil is a conductor, and the rotating magnetic field is generated under the electrified condition and acts on the concave-convex rotor, so that the concave-convex rotor rotates around the axis, the electric energy is converted into mechanical energy, the mechanical energy is provided for an external unit, and the motor is used as a motor. In addition, the device belongs to a coreless brushless motor, has no magnetic resistance and can meet the requirement of high power.
Specifically, the concave-convex rotor comprises a rotor rotating shaft, an outer ring rotor and an inner ring rotor; the rotor rotating shaft penetrates through the center of the inner ring rotor and is fixedly arranged on the inner ring rotor, and the rotor rotating shaft and the inner ring rotor rotate coaxially; the inner ring rotor is sleeved in the outer ring rotor, and the inner ring rotor and the outer ring rotor form an installation space for accommodating the coil stator; the outer ring rotor and the inner ring rotor rotate coaxially; the magnets are fixedly arranged on the inner surface of the outer ring rotor and the outer surface of the inner ring rotor; the magnet and the coil stator jointly control the rotor rotating shaft, the outer ring rotor and the inner ring rotor; the outer ring rotor and the inner ring rotor are both cylindrical. The cylindrical design of the outer ring rotor and the inner ring rotor and the connection mode of the outer ring rotor and the inner ring rotor can reduce the volume of the device; the rotor rotating shaft can be connected with an external unit as an output shaft, and power is conveniently provided for the external unit. The coil stator can be in a strip shape, and the device can be horizontally or vertically installed by combining the connection mode of the outer ring rotor and the inner ring rotor.
Specifically, the magnets include a first magnet and a second magnet, both of which are permanent magnets and are respectively located on the outer ring rotor and the inner ring rotor. The first magnet and the second magnet are designed into permanent magnets, so that the device is provided with a magnetic field permanently inside after being electrified once, when the device is not electrified, an external power source, such as wind power and the like, can be used for acting on the device to rotate, the coil stator can do cutting magnetic induction line movement, induction current can be generated in the magnetic field, mechanical energy is converted into electric energy, and the device can be used as a generator. In addition, the first magnet and the second magnet may be designed to be combined in a plurality of pieces, or may be designed to be integrally magnetic.
Specifically, the device further comprises a motor shell, a bearing cover and a bearing; the bearing covers are fixedly arranged at the top and the bottom of the motor shell, and the bearing covers and the motor shell enclose to form a cavity for accommodating the concave-convex rotor and the coil stator; the rotor rotating shaft is connected with the bearing cover through the bearing and penetrates through the bearing cover to extend outwards. The motor shell, the bearing and the bearing cover are arranged, so that the device keeps stable structure; the bearing is arranged, the rotor rotating shaft is connected with the bearing cover through the bearing, so that the bearing cover and the motor shell are kept static when the concave-convex rotor rotates, and the stability of the structure is ensured.
Specifically, a coil support is fixedly installed in the installation space, and the coil stator is fixed in the installation space through the coil support. The coil support strengthens the stable structure.
Specifically, the middle part of the inner ring rotor is disconnected to form a first inner ring rotor and a second inner ring rotor which are detachably connected in a sleeved mode and are penetrated through by the rotor rotating shaft; the first inner ring rotor and the second inner ring rotor coaxially and synchronously rotate; the middle part of the outer ring rotor is disconnected, the middle part of one side of the outer ring rotor is provided with an opening, and a coil stator outgoing line is arranged at the opening; and the outgoing line of the coil stator is electrically connected with the coil stator. The coil stator lead-out wire is conveniently connected with an external power supply to electrify the coil stator.
The utility model has the advantages that: compared with the prior art, the small-volume high-efficiency power generation device is used, and comprises a concave-convex rotor and a coil stator; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space; the magnet and the coil stator jointly control the concave-convex rotor to rotate around the axis. The utility model discloses in, the device includes unsmooth rotor and coil stator, simple structure, can simplify the preparation process in the preparation to reduce the cost of manufacture; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space, and is fixed in the magnetic field space formed in the concave-convex rotor, so that the coil stator can be vertically arranged, the mounting space can be saved, the size of the device is reduced, and the requirement of small size is met; when the device is electrified, the magnet generates a magnetic field, the stator coil is a conductor, and the rotating magnetic field is generated under the electrified condition and acts on the concave-convex rotor, so that the concave-convex rotor rotates around the axis, the electric energy is converted into mechanical energy, the mechanical energy is provided for an external unit, and the motor is used as a motor. In addition, the device belongs to a coreless brushless motor, has no magnetic resistance and can meet the requirement of high power.
Drawings
Fig. 1 is a schematic view of a cross-sectional structure of a small-sized high-efficiency power generation device of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of the small-volume high-efficiency power generation device of the present invention.
Fig. 3 is a schematic view of a cross-sectional structure of a concave-convex rotor in a small-volume high-efficiency power generation device of the present invention.
Fig. 4 is a schematic diagram of a detachable cross-sectional structure of the concave-convex rotor in the small-volume high-efficiency power generation device of the present invention.
Fig. 5 is a schematic view of a cross-sectional structure of a small-sized high-efficiency power generation device in which a magnet is designed as a whole magnet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to achieve the above object, the technical solution of the present invention is as follows.
Referring to fig. 1-5, the utility model provides a small-volume high-efficiency power generation device, which comprises a concave-convex rotor 1 and a coil stator 2; a magnet 3 is fixedly arranged on the inner side of the concave-convex rotor 1, and a magnetic field space (not shown) is formed after the magnet 3 is electrified; the coil stator 2 is fixedly arranged in the magnetic field space; the magnet 3 and the coil stator 2 jointly control the concave-convex rotor 1 to rotate around the axis. The utility model discloses in, the device includes unsmooth rotor 1 and coil stator 2, simple structure, can simplify the preparation process in the preparation to reduce the cost of manufacture; the magnet 3 is fixedly arranged on the inner side of the concave-convex rotor 1, and the magnet 3 forms a magnetic field space after being electrified; the coil stator 2 is fixedly arranged in the magnetic field space, and the coil stator 2 is fixed in the magnetic field space formed in the concave-convex rotor 1, so that the coil stator 2 can be vertically arranged, the installation space can be saved, the size of the device is reduced, and the requirement of small size is met; when the device is electrified, the magnet 3 generates a magnetic field, the stator coil 2 is a conductor, and the rotating magnetic field is generated under the electrified condition and acts on the concave-convex rotor 1, so that the concave-convex rotor 1 rotates around the axis, the electric energy is converted into mechanical energy, the mechanical energy is provided for an external unit, and the motor is used as a motor. In addition, the device belongs to a coreless brushless motor, has no magnetic resistance and can meet the requirement of high power.
In the present embodiment, the concavo-convex rotor 1 includes a rotor rotating shaft 11, an outer ring rotor 12, and an inner ring rotor 13; the rotor rotating shaft 11 penetrates through the center of the inner ring rotor 13 and is fixedly arranged on the inner ring rotor 13, and the rotor rotating shaft and the inner ring rotor 13 rotate coaxially; the inner ring rotor 13 is sleeved in the outer ring rotor 12, and the inner ring rotor and the outer ring rotor enclose an installation space (not shown) for accommodating the coil stator 2; the outer ring rotor 12 and the inner ring rotor 13 rotate coaxially; the magnet 3 is fixedly arranged on the inner surface of the outer ring rotor 12 and the outer surface of the inner ring rotor 13; the magnet 3 and the coil stator 2 jointly control the rotor rotating shaft 11, the outer ring rotor 12 and the inner ring rotor 13; the outer ring rotor 12 and the inner ring rotor 13 are both cylindrical. The cylindrical design of the outer ring rotor 12 and the inner ring rotor 13 and the connection mode of the two can reduce the volume of the device; rotor shaft 11 can be as the outside unit of output shaft connection, conveniently provides power for outside unit. The coil stator 2 can be in a strip shape, and the device can be horizontally or vertically installed by combining the connection mode of the outer ring rotor 12 and the inner ring rotor 13.
In the present embodiment, the magnet 3 includes a first magnet 31 and a second magnet 32, both of which are permanent magnets and are respectively located on the outer-ring rotor 12 and the inner-ring rotor 13. The first magnet 31 and the second magnet 32 are designed as permanent magnets, so that the device has a permanent magnetic field inside after being powered on once, and thus when the device is not powered on, an external power source, such as wind power, can be used for acting on the device to rotate the device, and at the moment, the coil stator 2 can do cutting magnetic induction line movement, induction current can be generated in the magnetic field, and the mechanical energy is converted into electric energy, and at the moment, the device can be used as a generator. The first magnet 31 and the second magnet 32 may be combined into a plurality of pieces, or may be designed to be magnetic as a whole.
In this embodiment, the apparatus further comprises a motor housing 4, a bearing cap 5 and a bearing 6; the bearing covers 5 are fixedly arranged at the top and the bottom of the motor shell 4, and the bearing covers 5 and the motor shell 4 enclose to form a cavity for accommodating the concave-convex rotor 1 and the coil stator 2; the rotor rotating shaft 11 is connected with the bearing cover 5 through the bearing 5 and penetrates through the bearing cover 5 to extend outwards. The motor shell 4, the bearing 6 and the bearing cover 5 are arranged, so that the device keeps stable structure; set up bearing 6, rotor shaft 11 is connected with bearing cap 5 through bearing 6, makes unsmooth rotor 1 when rotatory, and bearing cap 5 and motor housing 4 keep static, guarantee the stability of structure.
In the present embodiment, a coil support (not shown) is fixedly installed in the installation space, and the coil stator 2 is fixed in the installation space by the coil support. The coil support strengthens the stable structure.
In this embodiment, the middle of the inner ring rotor 13 is broken to form a first inner ring rotor 131 and a second inner ring rotor 132, which are detachably connected in a sleeved manner and penetrated by the rotor rotating shaft 11; the first inner ring rotor 131 and the second inner ring rotor 132 coaxially rotate in synchronization; the middle part of the outer ring rotor 12 is disconnected, the middle part of one side of the outer ring rotor is provided with an opening 121, and a coil stator lead-out wire 21 is arranged at the opening 121; the coil stator lead wires 21 are electrically connected to the coil stator 2. The inner ring rotor 13 is broken at the middle to form a first inner ring rotor 131 and a second inner ring rotor 132, which are detachably connected in a sleeved manner and penetrated by the rotor shaft 11, which is one embodiment. Wherein, the coil stator lead-out wire 21 is convenient to be connected with an external power supply to electrify the coil stator 2.
The utility model has the advantages that: compared with the prior art, the small-volume high-efficiency power generation device is used, and comprises a concave-convex rotor 1 and a coil stator 2; a magnet 3 is fixedly arranged on the inner side of the concave-convex rotor 1, and a magnetic field space (not shown) is formed after the magnet 3 is electrified; the coil stator 2 is fixedly arranged in the magnetic field space; the magnet 3 and the coil stator 2 jointly control the concave-convex rotor 1 to rotate around the axis. The utility model discloses in, the device includes unsmooth rotor 1 and coil stator 2, simple structure, can simplify the preparation process in the preparation to reduce the cost of manufacture; the magnet 3 is fixedly arranged on the inner side of the concave-convex rotor 1, and the magnet 3 forms a magnetic field space after being electrified; the coil stator 2 is fixedly arranged in the magnetic field space, and the coil stator 2 is fixed in the magnetic field space formed in the concave-convex rotor 1, so that the coil stator 2 can be vertically arranged, the installation space can be saved, the size of the device is reduced, and the requirement of small size is met; when the device is electrified, the magnet 3 generates a magnetic field, the stator coil 2 is a conductor, and the rotating magnetic field is generated under the electrified condition and acts on the concave-convex rotor 1, so that the concave-convex rotor 1 rotates around the axis, the electric energy is converted into mechanical energy, the mechanical energy is provided for an external unit, and the motor is used as a motor. In addition, the device belongs to a coreless brushless motor, has no magnetic resistance and can meet the requirement of high power.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A small-volume high-efficiency power generation device is characterized by comprising a concave-convex rotor and a coil stator; the magnet is fixedly arranged on the inner side of the concave-convex rotor, and a magnetic field space is formed after the magnet is electrified; the coil stator is fixedly arranged in the magnetic field space; the magnet and the coil stator jointly control the concave-convex rotor to rotate around the axis;
the concave-convex rotor comprises a rotor rotating shaft, an outer ring rotor and an inner ring rotor; the rotor rotating shaft penetrates through the center of the inner ring rotor and is fixedly arranged on the inner ring rotor, and the rotor rotating shaft and the inner ring rotor rotate coaxially; the inner ring rotor is sleeved in the outer ring rotor, and the inner ring rotor and the outer ring rotor form an installation space for accommodating the coil stator; the outer ring rotor and the inner ring rotor rotate coaxially; the magnets are fixedly arranged on the inner surface of the outer ring rotor and the outer surface of the inner ring rotor; the magnet and the coil stator jointly control the rotor rotating shaft, the outer ring rotor and the inner ring rotor; the outer ring rotor and the inner ring rotor are both cylindrical.
2. A small volume high efficiency power generation apparatus as claimed in claim 1, wherein said magnets comprise a first magnet and a second magnet, both permanent magnets and located on the outer ring rotor and the inner ring rotor respectively.
3. The small volume high efficiency power generation apparatus of claim 1, further comprising a motor housing, a bearing cap and a bearing; the bearing covers are fixedly arranged at the top and the bottom of the motor shell, and the bearing covers and the motor shell enclose to form a cavity for accommodating the concave-convex rotor and the coil stator; the rotor rotating shaft is connected with the bearing cover through the bearing and penetrates through the bearing cover to extend outwards.
4. The small-sized high efficiency power generating apparatus as set forth in claim 1, wherein a coil support is fixedly installed in said installation space, and said coil stator is fixed in said installation space by said coil support.
5. The small-volume high-efficiency power generation device according to claim 1, wherein the middle part of the inner ring rotor is disconnected to form a first inner ring rotor and a second inner ring rotor which are detachably connected in a sleeved manner and penetrated by the rotor rotating shaft; the first inner ring rotor and the second inner ring rotor coaxially and synchronously rotate; the middle part of the outer ring rotor is disconnected, the middle part of one side of the outer ring rotor is provided with an opening, and a coil stator outgoing line is arranged at the opening; and the outgoing line of the coil stator is electrically connected with the coil stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023283.XU CN210431043U (en) | 2019-01-04 | 2019-01-04 | Small-size efficient power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920023283.XU CN210431043U (en) | 2019-01-04 | 2019-01-04 | Small-size efficient power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210431043U true CN210431043U (en) | 2020-04-28 |
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ID=70360225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920023283.XU Active CN210431043U (en) | 2019-01-04 | 2019-01-04 | Small-size efficient power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210431043U (en) |
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2019
- 2019-01-04 CN CN201920023283.XU patent/CN210431043U/en active Active
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