CN214045200U - Planetary gear type switch reluctance motor - Google Patents
Planetary gear type switch reluctance motor Download PDFInfo
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- CN214045200U CN214045200U CN202023178592.6U CN202023178592U CN214045200U CN 214045200 U CN214045200 U CN 214045200U CN 202023178592 U CN202023178592 U CN 202023178592U CN 214045200 U CN214045200 U CN 214045200U
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- needle
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Abstract
The utility model discloses a planetary gear type switched reluctance motor, which comprises a needle gear fixed on a shell, a cycloid gear in internal gearing transmission with the needle gear, and a connecting shaft, wherein one end of the connecting shaft is connected with an output shaft of the needle gear, the other end of the connecting shaft is connected with the cycloid gear, the inner gear ring of the needle gear is provided with needle teeth, the outer ring of the cycloid gear is provided with cycloid teeth, both sides of the teeth of the needle teeth are provided with electromagnets, and the cycloid teeth are magnetic guide teeth; when the needle teeth are just meshed with the current teeth of the cycloid teeth, the electromagnet corresponding to the needle teeth side is electrified to enable the current teeth of the cycloid teeth to rotate towards the direction with the minimum magnetic resistance until the needle teeth are completely meshed with the current teeth of the cycloid teeth, so that the cycloid wheel is driven to revolve around the central shaft of the needle gear while continuously rotating, the connecting shaft is driven to rotate, and the connecting shaft converts the rotation of the cycloid wheel into output shaft power. The utility model discloses the setting of permanent magnet in the cancellation rotor, reduce cost has avoided the long-time operating temperature of motor to rise the permanent magnet demagnetization problem that leads to simultaneously.
Description
Technical Field
The utility model belongs to the motor field especially relates to a planetary gear formula switched reluctance motor.
Background
In the existing motor, a permanent magnet is arranged on a rotor, and the magnetic force generated by magnetism or repulsion is utilized to drive the motor to rotate, but the permanent magnet has high cost and is not convenient for the popularization of the motor; moreover, the permanent magnet is easy to demagnetize due to the rise of the long-time working temperature of the motor, so that the motor cannot work normally.
Therefore, there is a need to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a low cost just can effectively avoid because of the planet gear formula switched reluctance motor of the phenomenon of intensification demagnetization that long-time work leads to.
The technical scheme is as follows: in order to achieve the above object, the utility model discloses a planetary gear formula switched reluctance motor, its characterized in that: the needle gear is fixed on the shell, the cycloid wheel is in internal meshing transmission with the needle gear, and the connecting shaft is connected with the output shaft of the needle gear at one end and the cycloid wheel at the other end; when the needle teeth are just meshed with the current teeth of the cycloid teeth, the electromagnet corresponding to the needle teeth side is electrified to enable the current teeth of the cycloid teeth to rotate towards the direction with the minimum magnetic resistance until the needle teeth are completely meshed with the current teeth of the cycloid teeth, so that the cycloid wheel is driven to revolve around the central shaft of the needle gear while continuously rotating, the connecting shaft is driven to rotate, and the connecting shaft converts the rotation of the cycloid wheel into output shaft power.
The pin gear comprises a pin gear mechanical layer and a pin gear magnet layer which is axially and fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer.
Further, the cycloid magnet layer is a magnetic conduction structure formed by superposing and extruding magnetic conduction pieces, and magnetic conduction teeth are formed.
Preferably, the magnetic conduction piece is a silicon steel sheet.
And moreover, a controller for controlling the power on and off of the electromagnet is connected to the electromagnet, the controller is connected with an angle sensor for collecting the rotation angle of the cycloid wheel, and the controller controls the power on and off of the electromagnet according to angle information collected by the angle sensor.
Has the advantages that: compared with the prior art, the utility model has the advantages of it is following: firstly, the utility model discloses a stator adopts the pin gear, the rotor adopts the cycloid wheel with pin gear internal gearing transmission, the driving medium is the connecting shaft, set up the electro-magnet on the pin gear, the cycloid tooth is established to leading magnetic tooth, when the pin tooth just engaged with the current tooth of cycloid tooth, through the electro-magnet circular telegram for corresponding pin tooth side make the current tooth of cycloid tooth rotate towards the minimum direction of magnetic resistance until the pin tooth completely engages with the current tooth of cycloid tooth, thereby the pin gear center pin revolution when driving the cycloid wheel and continuing the rotation, drive the connecting shaft simultaneously and rotate, the connecting shaft turns into output shaft power with the rotation of cycloid wheel; the working principle of the utility model follows the principle of minimum magnetic resistance-the magnetic flux is always closed along the path of minimum magnetic resistance, and tangential tension can be generated along with the distortion of the magnetic field to promote the rotation of the motor; the permanent magnet in the rotor is omitted, so that the cost is reduced, and the problem of permanent magnet demagnetization caused by the rise of the working temperature of the motor for a long time is avoided; finally the utility model discloses a motor power density is high, can alleviate motor self weight greatly under the same conditions, makes it apply the automobile shock attenuation field.
Drawings
Fig. 1 is a schematic structural view of a middle needle gear and a cycloid gear of the present invention;
fig. 2-4 are schematic diagrams of the moving states of the middle needle gear and the cycloid gear of the present invention.
Fig. 5 is a schematic view of the connection between the middle needle gear and the cycloid gear of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the planetary gear type switched reluctance motor includes a stator and a rotor, the stator is a pin gear 1 fixed on a housing, the rotor is a cycloid wheel 2 in inner gearing transmission with the pin gear 1, one end of a coupling shaft 3 is connected with an output shaft of the pin gear 1, and the other end is connected with the cycloid wheel 2. The inner ring gear of the pin gear 1 is provided with pin teeth 101, the outer ring gear of the cycloidal gear 2 is provided with cycloidal teeth 201, and the pin teeth 101 can be in inner gearing transmission with the cycloidal teeth 201. An output shaft 4 is coaxially arranged on a central shaft of the pin gear 1, splines are uniformly distributed at two ends of a connecting shaft 3, a right spline is connected with an inner hole spline of the cycloid wheel 2, and a left spline is connected with an inner hole spline of the output shaft 4, as shown in figure 5.
The utility model discloses a tooth both sides of pin tooth 101 have the electro-magnet, and the cycloid tooth is for leading magnetic tooth, the utility model discloses when well pin tooth just engaged with the current tooth of cycloid tooth, make the current tooth of cycloid tooth rotate until the current tooth of pin tooth and cycloid tooth meshes completely towards the minimum direction of magnetic resistance through the electro-magnet circular telegram for corresponding the pin tooth side to around the revolution of pin gear center pin when drive cycloid wheel lasts the rotation, drive the coupling shaft simultaneously and rotate, the coupling shaft turns into output shaft power with the rotation of cycloid wheel.
The utility model discloses well needle gear 1 includes needle tooth mechanical layer and the needle tooth magnet layer that links firmly with needle tooth mechanical layer axial, and the needle ring gear of needle gear 1 is mechanical layer structure promptly, and needle tooth 101 is needle tooth magnet layer. The cycloid wheel 2 comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, namely, a cycloid gear ring is in a mechanical layer structure, and cycloid teeth 201 are cycloid magnet layers. The needle gear ring is meshed with the cycloid gear ring to achieve radial fixation, the needle teeth 101 are approximately meshed with the cycloid teeth 201, an air gap is arranged between the needle teeth and the cycloid teeth, and magnets generate magnetic force mutually to drive the cycloid wheel to rotate during meshing. The magnetic layer structure of the pin gear 101 can be a hollow gear, and electromagnets are filled inside two sides of the hollow gear; or the teeth are solid structures, and the two sides of the teeth of the solid structures are fixedly connected with electromagnets. The magnet layer structure of the cycloid tooth 201 is a magnetic conduction structure formed by superposing and extruding magnetic conduction pieces, and magnetic conduction teeth are formed, wherein the magnetic conduction pieces can be made of silicon steel sheets.
The utility model discloses but the tooth both sides of pin tooth 101 have the electro-magnet break-make electric control magnetic state that leads to, make the current tooth of cycloid tooth rotate until the current tooth intermeshing of pin tooth and cycloid tooth towards the minimum direction of magnetic resistance through the electro-magnet circular telegram for corresponding the pin tooth side to the drive cycloid wheel lasts the rotation. The electromagnet is connected with a controller used for controlling the on-off state of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the on-off state of the electromagnet according to angle information collected by the angle sensor.
As shown in fig. 2, when the current tooth C of the cycloid tooth 201 just rotates between the current tooth a and the current tooth B of the pin tooth 101, the angle sensor transmits the rotation angle information of the current tooth of the cycloid tooth 201 to the controller, the controller energizes the side electromagnets (shown in a shaded part) of the current tooth A and the current tooth B of the pin tooth 101, and the current tooth C of the cycloid tooth 201 can rotate clockwise in the direction of minimum magnetic resistance because the magnetic resistance is minimum when the current tooth C of the cycloid tooth 201 is completely meshed with the current tooth A and the current tooth B of the pin tooth 101, turning thus to the position of fig. 3, and further to the position of fig. 4, until the current tooth C of the cycloid tooth 201 is fully engaged with the current teeth a and B of the pin tooth 101 to minimize the magnetic resistance, thereby driving the cycloid gear 2 to revolve around the central shaft of the needle gear 1 while continuously rotating, and simultaneously driving the connecting shaft 3 to rotate, and the connecting shaft 3 converts the rotation of the cycloid gear 2 into the power of the output shaft 4; at this time, the electromagnets (shown in a shaded part) on the tooth sides of the current tooth A and the current tooth B of the pin tooth 101 are powered off, and the current tooth is in the working process of figures 2 to 4 for the planetary gear type switched reluctance motor at any moment, so that the planetary gear type switched reluctance motor can be ensured to continuously rotate; the working principle of the utility model follows the principle of minimum magnetic resistance-the magnetic flux is always closed along the path of minimum magnetic resistance, and the tangential tension can be generated along with the distortion of the magnetic field, so that the motor rotates.
Except the concrete structure and the rotation principle of cycloid wheel and needle gear, the utility model discloses a planetary gear formula switched reluctance motor is similar with all the other structures, the principle of current cycloid hydraulic motor.
Claims (5)
1. A planetary gear type switched reluctance motor characterized in that: the needle gear is fixed on the shell, the cycloid wheel is in internal meshing transmission with the needle gear, and the connecting shaft is connected with the output shaft of the needle gear at one end and the cycloid wheel at the other end; when the needle teeth are just meshed with the current teeth of the cycloid teeth, the electromagnet corresponding to the needle teeth side is electrified to enable the current teeth of the cycloid teeth to rotate towards the direction with the minimum magnetic resistance until the needle teeth are completely meshed with the current teeth of the cycloid teeth, so that the cycloid wheel is driven to revolve around the central shaft of the needle gear while continuously rotating, the connecting shaft is driven to rotate, and the connecting shaft converts the rotation of the cycloid wheel into output shaft power.
2. The planetary-gear type switched reluctance motor according to claim 1, wherein: the pin gear comprises a pin gear mechanical layer and a pin gear magnet layer which is axially and fixedly connected with the pin gear mechanical layer, the cycloid wheel comprises a cycloid mechanical layer and a cycloid magnet layer which is axially and fixedly connected with the cycloid mechanical layer, the pin gear mechanical layer is meshed with the cycloid mechanical layer, and a gap is formed between the pin gear magnet layer and the cycloid magnet layer.
3. The planetary-gear type switched reluctance motor according to claim 2, wherein: the cycloid magnet layer is a magnetic conduction structure formed by superposing and extruding magnetic conduction pieces, and magnetic conduction teeth are formed.
4. The planetary-gear type switched reluctance motor according to claim 3, wherein: the magnetic conduction piece is a silicon steel sheet.
5. The planetary-gear type switched reluctance motor according to claim 1, wherein: the electromagnet is connected with a controller used for controlling the power-on and power-off of the electromagnet, the controller is connected with an angle sensor used for collecting the rotation angle of the cycloid wheel, and the controller controls the power-on and power-off of the electromagnet according to angle information collected by the angle sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178592.6U CN214045200U (en) | 2020-12-25 | 2020-12-25 | Planetary gear type switch reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023178592.6U CN214045200U (en) | 2020-12-25 | 2020-12-25 | Planetary gear type switch reluctance motor |
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| Publication Number | Publication Date |
|---|---|
| CN214045200U true CN214045200U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023178592.6U Active CN214045200U (en) | 2020-12-25 | 2020-12-25 | Planetary gear type switch reluctance motor |
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| CN (1) | CN214045200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613951A (en) * | 2023-07-17 | 2023-08-18 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
-
2020
- 2020-12-25 CN CN202023178592.6U patent/CN214045200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116613951A (en) * | 2023-07-17 | 2023-08-18 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
| CN116613951B (en) * | 2023-07-17 | 2024-01-16 | 佳沃德（佛山）科技有限公司 | Segmented stator permanent magnet auxiliary cycloid reluctance motor and control method thereof |
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