Motor with bilateral stators

Abstract

The utility model discloses a motor with bilateral stators, which belongs to the technical field of motors and comprises a motor casing, an outer stator and a plurality of T-shaped plates are fixedly mounted in the motor casing, one side of each T-shaped plate is fixedly connected with a same inner stator, and a cooling water jacket is fixedly mounted in the inner stator. The interior of the cooling water jacket is fixedly connected with a mounting disc, one side of the mounting disc is fixedly connected with a connecting column, the other end of the connecting column is fixedly connected with a connecting disc, the other side of the connecting disc is fixedly connected with a connecting screw rod, and the outer side of the connecting screw rod is movably sleeved with a motor rear cover; the outer side of the connecting screw rod is sleeved with an installation nut in a threaded mode. According to the utility model, the reluctance rotor, the inner stator, the permanent magnet rotor and the outer stator can provide higher power output under the same volume, and the cooling water jacket can effectively reduce the temperature of the motor in the operation process, thereby prolonging the service life.

Description

Technical Field

[0001] This utility model relates to the field of motor technology, and in particular to a motor with a double-sided stator. Background Technology

[0002] With the continuous growth of energy demand and the increasing awareness of environmental protection, wind energy, as a clean and renewable energy source, has received widespread attention. As a key device for converting wind energy into electricity, improving the efficiency and power density of wind turbine generators has always been a research focus. Similarly, in the field of ship propulsion, the efficiency and size of electric motors are also key considerations. Traditional single-stator motors, due to structural and technological limitations, are unable to meet the current demands for high efficiency and high power; therefore, we propose a motor with a double-sided stator to solve this problem. Utility Model Content

[0003] The purpose of this invention is to provide a motor with a double-sided stator to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] An electric motor with a double-sided stator includes: a motor housing, an outer stator and a plurality of T-shaped plates are fixedly installed inside the motor housing, one side of each of the plurality of T-shaped plates is fixedly connected to the same inner stator, and a cooling water jacket is fixedly installed inside the inner stator;

[0006] An installation plate is fixedly connected inside the cooling water jacket. A connecting post is fixedly connected to one side of the installation plate, and a connecting plate is fixedly connected to the other end of the connecting post. A connecting screw is fixedly connected to the other side of the connecting plate. A motor rear cover is movably sleeved on the outer side of the connecting screw, and an installation nut is threaded onto the outer side of the connecting screw. The installation nut movably abuts against one side of the motor rear cover.

[0007] Preferably, a front cover is fixedly installed on one side of the motor housing, and a rotating shaft is rotatably installed inside the front cover. A disc is fixedly connected to one end of the rotating shaft inside the motor housing, and a magnetic isolation ring is fixedly connected to the other side of the disc. A permanent magnet rotor is fixedly installed on the outer side of the magnetic isolation ring, and a reluctance rotor is fixedly installed on the inner side of the magnetic isolation ring. The reluctance rotor is adapted to the inner stator, and the permanent magnet rotor is adapted to the outer stator.

[0008] Preferably, an annular track is fixedly installed on the other side of the mounting plate, and a positioning ring is fixedly connected to one side of the disc, with the positioning ring rotatably connected within the annular track.

[0009] Preferably, one side of the motor rear cover has multiple ventilation holes, and the other side of the motor rear cover has multiple square protrusions integrally formed. The other side of the motor housing has a slot that matches the square protrusions, and the square protrusions are movably inserted into the corresponding slots.

[0010] Preferably, a fixing ring is fixedly installed inside the motor rear cover, and multiple positioning grooves are opened on one side of the fixing ring. Multiple positioning protrusions are integrally formed on the outer side of the connecting plate, and the positioning protrusions are movably inserted into the corresponding positioning grooves.

[0011] Preferably, a plurality of square slots are provided on one side of the motor rear cover, and the T-shaped plate is movably inserted into the corresponding square slots.

[0012] Preferably, the cooling water jacket has an inlet pipe and an outlet pipe connected inside, and the other end of the inlet pipe and the outlet pipe are connected to a flange. The cooling water jacket has multiple annular cooling channels inside, and multiple connecting holes connect two adjacent annular cooling channels.

[0013] Preferably, a support platform is fixedly installed at the bottom of the motor housing, and the bottom of the support platform has multiple mounting holes.

[0014] Preferably, an annular guide rail is fixedly connected to the other side of the magnetic shielding ring, and the T-shaped plate is slidably sleeved on the outside of the annular guide rail.

[0015] Preferably, a fastening nut is threaded onto the outer side of the connecting screw, and the fastening nut is movably abutted against the other side of the mounting nut. A bearing is provided inside the front cover of the motor, and the inner ring of the bearing is fitted onto the outer side of the rotating shaft.

[0016] In this utility model, a motor with a double-sided stator generates a rotating magnetic field by passing current into the winding coils of the outer stator and the inner stator. The permanent magnet rotor and the reluctance rotor rotate with the rotating magnetic field. The permanent magnet rotor interacts with the outer stator, and the reluctance rotor interacts with the inner stator, driving the magnetic isolation ring and the disk to rotate, thereby causing the shaft to generate torque output. The magnetic isolation ring is used to isolate the internal and external magnetic fields, reduce magnetic field interference, and improve motor efficiency.

[0017] In this utility model, a motor with a double-sided stator is provided. Coolant is introduced into the cooling water jacket through the inlet pipe. After flowing through multiple annular cooling channels and connecting holes, the coolant is discharged from the outlet pipe, carrying away the heat generated by the motor and ensuring that the motor operates at a suitable temperature. The motor rear cover and the motor housing are positioned by the cooperation of square protrusions and slots, and the rear cover is fixed by the mounting nut. The fastening nut is used to fix the mounting nut and ensure the stability of the motor structure. By unscrewing the fastening nut and the mounting nut in sequence, the fixation of the motor rear cover is released, making it easier to remove, maintain and replace parts.

[0018] This utility model has a reasonable structural design. By setting up a reluctance rotor, inner stator, permanent magnet rotor, and outer stator, it can provide higher power output within the same volume. The cooling water jacket can effectively reduce the temperature of the motor during operation and extend its service life. The design of the double-sided stator motor makes it suitable for a variety of applications, including wind turbine power generation and ship propulsion, which can meet the needs of different fields. Moreover, the structure is more balanced, so the noise and vibration generated during operation are relatively small, which helps to improve the comfort of the working environment. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of a motor with a double-sided stator proposed in this utility model;

[0020] Figure 2 This is a cross-sectional view of a motor with a double-sided stator proposed in this utility model.

[0021] Figure 3 for Figure 2 A magnified view of part A in the middle;

[0022] Figure 4 for Figure 2 A magnified view of part B in the middle section;

[0023] Figure 5 for Figure 2 A magnified view of part C in the middle;

[0024] Figure 6 This is a side cross-sectional view of a motor with a double-sided stator proposed in this utility model.

[0025] Figure 7 This is a partial three-dimensional structural diagram of a motor with a double-sided stator proposed in this utility model;

[0026] Figure 8 This is an exploded three-dimensional structural diagram of a motor with a double-sided stator proposed in this utility model.

[0027] In the diagram: 1. Motor housing; 101. Support platform; 102. Motor front cover; 103. Motor rear cover; 2. Bearing; 3. Shaft; 301. Disc; 302. Magnetic isolation ring; 303. Magnetic reluctance rotor; 304. Permanent magnet rotor; 305. Annular guide rail; 4. Outer stator; 5. Inner stator; 6. Cooling water jacket; 601. Annular cooling channel; 602. Connecting hole; 603. Water inlet pipe; 604. Water outlet pipe; 7. Connecting plate; 701. Connecting column; 702. Mounting plate; 703. Annular track; 704. Positioning ring; 8. Fixing ring; 801. Connecting screw; 802. Mounting nut; 803. Fastening nut; 804. Positioning groove; 9. T-shaped plate. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Reference Figure 1-8 A motor with a double-sided stator includes: a motor housing 1, an outer stator 4 and multiple T-shaped plates 9 are fixedly installed inside the motor housing 1, and the same inner stator 5 is fixedly connected to one side of each of the multiple T-shaped plates 9. A cooling water jacket 6 is fixedly installed inside the inner stator 5.

[0030] The cooling water jacket 6 is internally fixedly connected to a mounting plate 702. A connecting post 701 is fixedly connected to one side of the mounting plate 702. A connecting plate 7 is fixedly connected to the other end of the connecting post 701. A connecting screw 801 is fixedly connected to the other side of the connecting plate 7. A motor rear cover 103 is movably sleeved on the outside of the connecting screw 801. An installation nut 802 is threaded onto the outside of the connecting screw 801. The installation nut 802 movably abuts against one side of the motor rear cover 103.

[0031] In this embodiment, a motor front cover 102 is fixedly installed on one side of the motor housing 1. A rotating shaft 3 is rotatably installed inside the motor front cover 102. A disk 301 is fixedly connected to one end of the rotating shaft 3 inside the motor housing 1. A magnetic isolation ring 302 is fixedly connected to the other side of the disk 301. A permanent magnet rotor 304 is fixedly installed on the outer side of the magnetic isolation ring 302. A reluctance rotor 303 is fixedly installed on the inner side of the magnetic isolation ring 302. The reluctance rotor 303 is adapted to the inner stator 5, and the permanent magnet rotor 304 is adapted to the outer stator 4.

[0032] In this embodiment, an annular track 703 is fixedly installed on the other side of the mounting plate 702, and a positioning ring 704 is fixedly connected to one side of the disc 301. The positioning ring 704 is rotatably connected to the annular track 703.

[0033] In this embodiment, a plurality of ventilation holes are provided on one side of the motor rear cover 103, and a plurality of square protrusions are integrally formed on the other side of the motor rear cover 103. A slot adapted to the square protrusions is provided on the other side of the motor housing 1, and the square protrusions are movably inserted into the corresponding slots.

[0034] In this embodiment, a fixing ring 8 is fixedly installed inside the motor rear cover 103. Multiple positioning grooves 804 are provided on one side of the fixing ring 8. Multiple positioning protrusions are integrally formed on the outer side of the connecting plate 7. The positioning protrusions are movably inserted into the corresponding positioning grooves 804.

[0035] In this embodiment, a plurality of square slots are provided on one side of the motor rear cover 103, and the T-shaped plate 9 is movably inserted into the corresponding square slots to position the motor rear cover 103. The cooling water jacket 6 is internally connected to an inlet pipe 603 and an outlet pipe 604. The other ends of the inlet pipe 603 and the outlet pipe 604 are connected to flanges. The cooling water jacket 6 is internally provided with a plurality of annular cooling channels 601, and a plurality of connecting holes 602 are connected between two adjacent annular cooling channels 601.

[0036] In this embodiment, a support platform 101 is fixedly installed at the bottom of the motor housing 1. The bottom of the support platform 101 has multiple mounting holes to support the motor housing 1 for easy installation.

[0037] In this embodiment, an annular guide rail 305 is fixedly connected to the other side of the magnetic shielding ring 302, and the T-shaped plate 9 is slidably sleeved on the outside of the annular guide rail 305 to position the T-shaped plate 9.

[0038] In this embodiment, a fastening nut 803 is threaded onto the outer side of the connecting screw 801. The fastening nut 803 is movably abutted against the other side of the mounting nut 802. A bearing 2 is provided inside the motor front cover 102. The inner ring of the bearing 2 is sleeved on the outer side of the rotating shaft 3. The bearing 2 is used to support the rotating shaft 3, reduce friction, and extend service life.

[0039] In this embodiment, during use, a rotating magnetic field is generated by passing current through the winding coils of the outer stator 4 and the inner stator 5. The permanent magnet rotor 304 and the reluctance rotor 303 rotate with the rotating magnetic field. The permanent magnet rotor 304 interacts with the outer stator 4, and the reluctance rotor 303 interacts with the inner stator 5, driving the magnetic isolation ring 302 and the disk 301 to rotate, thereby causing the rotating shaft 3 to generate torque output. The magnetic isolation ring 302 is used to isolate the internal and external magnetic fields, reduce magnetic field interference, and improve motor efficiency. Coolant is introduced into the cooling water jacket 6 through the water inlet pipe 603. The coolant flows through multiple... After passing through an annular cooling channel 601 and a connecting hole 602, the water flows out through the outlet pipe 604, carrying away the heat generated by the motor and ensuring that the motor operates at a suitable temperature. The motor rear cover 103 is positioned with the motor housing 1 through the cooperation of a square protrusion and a slot, and is fixed by a mounting nut 802. The fastening nut 803 is used to fix the mounting nut 802, ensuring the stability of the motor structure. By unscrewing the fastening nut 803 and the mounting nut 802 in sequence, the fixation of the motor rear cover 103 is released, making it easier to remove, maintain, and replace parts.

[0040] The present invention provides a detailed description of a motor with a double-sided stator. Specific embodiments have been used to illustrate the principle and implementation of the present invention. These embodiments are merely illustrative and are intended to aid in understanding the method and core concept of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A motor with a double-sided stator, characterized in that, include: Motor housing (1), an outer stator (4) and multiple T-plates (9) are fixedly installed inside the motor housing (1), and one side of each of the multiple T-plates (9) is fixedly connected to the same inner stator (5), and a cooling water jacket (6) is fixedly installed inside the inner stator (5); The cooling water jacket (6) is internally fixedly connected to a mounting plate (702). A connecting post (701) is fixedly connected to one side of the mounting plate (702). A connecting plate (7) is fixedly connected to the other end of the connecting post (701). A connecting screw (801) is fixedly connected to the other side of the connecting plate (7). A motor rear cover (103) is movably sleeved on the outside of the connecting screw (801). An installation nut (802) is threaded onto the outside of the connecting screw (801). The installation nut (802) movably abuts against one side of the motor rear cover (103).

2. A motor with a double-sided stator according to claim 1, characterized in that, A motor front cover (102) is fixedly installed on one side of the motor housing (1). A rotating shaft (3) is rotatably installed inside the motor front cover (102). A disc (301) is fixedly connected to one end of the rotating shaft (3) inside the motor housing (1). A magnetic isolation ring (302) is fixedly connected to the other side of the disc (301). A permanent magnet rotor (304) is fixedly installed on the outer side of the magnetic isolation ring (302). A reluctance rotor (303) is fixedly installed on the inner side of the magnetic isolation ring (302). The reluctance rotor (303) is adapted to the inner stator (5). The permanent magnet rotor (304) is adapted to the outer stator (4).

3. A motor with a double-sided stator according to claim 2, characterized in that, An annular track (703) is fixedly installed on the other side of the mounting plate (702), and a positioning ring (704) is fixedly connected to one side of the disc (301). The positioning ring (704) is rotatably connected inside the annular track (703).

4. A motor with a double-sided stator according to claim 1, characterized in that, The motor rear cover (103) has multiple ventilation holes on one side, and multiple square protrusions are integrally formed on the other side of the motor rear cover (103). The motor housing (1) has slots on the other side that are adapted to the square protrusions, and the square protrusions are movably inserted into the corresponding slots.

5. A motor with a double-sided stator according to claim 1, characterized in that, A fixing ring (8) is fixedly installed inside the motor rear cover (103). A plurality of positioning grooves (804) are provided on one side of the fixing ring (8). A plurality of positioning protrusions are integrally formed on the outer side of the connecting plate (7). The positioning protrusions are movably inserted into the corresponding positioning grooves (804).

6. A motor with a double-sided stator according to claim 1, characterized in that, The motor rear cover (103) has multiple square slots on one side, and the T-shaped plate (9) is movably inserted into the corresponding square slot.

7. A motor with a double-sided stator according to claim 1, characterized in that, The cooling water jacket (6) is internally connected to an inlet pipe (603) and an outlet pipe (604). The other ends of the inlet pipe (603) and the outlet pipe (604) are connected to flanges. The cooling water jacket (6) is internally provided with multiple annular cooling channels (601), and multiple connecting holes (602) are connected between two adjacent annular cooling channels (601).

8. A motor with a double-sided stator according to claim 1, characterized in that, A support platform (101) is fixedly installed at the bottom of the motor housing (1), and the bottom of the support platform (101) has multiple mounting holes.

9. A motor with a double-sided stator according to claim 2, characterized in that, The other side of the magnetic shielding ring (302) is fixedly connected to an annular guide rail (305), and the T-shaped plate (9) is slidably sleeved on the outside of the annular guide rail (305).

10. A motor with a double-sided stator according to claim 2, characterized in that, The outer thread of the connecting screw (801) is fitted with a fastening nut (803), which is movably abutted against the other side of the mounting nut (802). A bearing (2) is provided inside the motor front cover (102), and the inner ring of the bearing (2) is fitted onto the outer side of the rotating shaft (3).

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