Stator pin structure of cross-flow wind wheel motor

Abstract

The utility model relates to the technical field of stator contact pins, and discloses a stator contact pin structure of a cross-flow wind wheel motor, which comprises a shell, a packaging mechanism fixedly connected to the inner wall of the shell, a steel sheet arranged on the inner wall of the packaging mechanism, a winding wire slot arranged on the outer wall of the steel sheet, a first contact pin arranged on the left side of the top surface of the steel sheet, and a second contact pin arranged on the right side of the top surface of the steel sheet. The outer wall of the packaging mechanism is connected with a rotor magnetic ring in a matched mode through a magnetic suspension air gap, the outer wall of the rotor magnetic ring is fixedly connected with a shaft sleeve, the other side of the rotor magnetic ring is fixedly connected with a connecting part, the outer wall of the shell is fixedly connected with an installation piece, and a through hole is formed in the top face of the steel sheet. According to the utility model, the inner ring of the steel sheet is provided with the pin 1 and the pin 2, and the built-in pin 1 and the built-in pin 2 can effectively reduce the leakage problem of the positioning holes, the pin 1 and the pin 2, thereby improving the appearance integrity after the pin 1 and the pin 2 are plastically packaged, and facilitating the reduction of the overall thickness of the plastic package.

Description

TECHNICAL FIELD

[0001] The utility model relates to stator pin technology field especially relates to a cross flow fan wheel motor's stator pin structure. BACKGROUND

[0002] Cross flow fan wheel is a common air flow device, is widely used in air conditioner, air purifier and ventilation equipment, cross flow fan wheel body is multilobe and long cylinder, has forward multi wing blade, when cross flow fan wheel body rotates, airflow enters the cascade from the open place of cross flow fan wheel body, passes through the inside of cross flow fan wheel body, and is discharged into volute from another cascade, forms working airflow, airflow is discharged in parallel along the impeller axial, is suitable for the scene needing large range uniform air supply, blade is dense and rotates stably, when operating, noise is lower, transverse inlet and outlet design saves space, is convenient for integration into equipment, compared with axial flow fan, wind pressure is higher, compared with centrifugal fan, air volume is more uniform.

[0003] Stator pin plays an important electrical connection and magnetic field construction role in stator, stator pin will be inserted into the slot of stator core according to specific law and layout, provides the function of fixing and supporting for winding, makes winding can keep in correct position, ensures the stability and accuracy of motor magnetic field, as the carrier of winding, when current passes through the winding on stator pin, magnetic field is generated, interacts with the magnetic field in outer rotor, thereby generates the force that makes motor rotor rotate, realizes the conversion of electric energy to mechanical energy, the stator pin of existing outer rotor motor is directly arranged at the outer circle of core steel sheet, so that copper wire is easily wound on the pin when winding slot, the efficiency and stability of winding are affected, meanwhile, the outer leakage of the position where pin is connected with lead-out wire is easily caused when stator is plastic encapsulated, the integrity of plastic encapsulated stator is affected. SUMMARY

[0004] In order to make up for the above shortcomings, the utility model provides a kind of stator pin structure of cross flow fan wheel motor, to improve the problem that stator pin in prior art is directly arranged at the outer circle of core steel sheet, so that copper wire is easily wound on the pin when winding slot, the efficiency and stability of winding are affected.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme: a kind of stator pin structure of cross flow fan wheel motor, including shell, the inner wall of the shell is fixedly connected with encapsulation mechanism, the inner wall of the encapsulation mechanism is provided with steel sheet, the outer wall of the steel sheet is provided with winding wire slot, the top surface left side of the steel sheet is provided with pin one, the top surface right side of the steel sheet is provided with pin two, the outer wall of the encapsulation mechanism is rotatably connected with rotor magnetic ring, the outer wall of the rotor magnetic ring is fixedly connected with shaft sleeve, the other side of the rotor magnetic ring is fixedly connected with connecting portion, the outer wall of the encapsulation mechanism is provided with wire clamp mechanism, and the wire clamp mechanism is used to fix wire.

[0006] Through the above technical solution: the outer shell serves as the external protective frame for the entire structure, effectively resisting interference and damage from the external environment. An encapsulation mechanism is fixedly connected to the inner wall of the outer shell. This encapsulation mechanism is made of a material with excellent insulation properties, providing a stable installation environment for the internal components and also providing good insulation to prevent current leakage. A steel sheet with high magnetic permeability is installed inside the encapsulation mechanism; this steel sheet is one of the key components for the motor to achieve electromagnetic conversion. Winding slots are evenly arranged on the outer wall of the steel sheet, ensuring that the windings can be wound in a predetermined manner, thereby generating a stable and compliant magnetic field when energized. A pin is installed on the left side of the top surface of the steel sheet, and a... Pin 1 and Pin 2 are made of a highly conductive metal material and are used to connect to the external circuit, introducing the current from the external power supply into the winding. The outer wall of the encapsulation mechanism is connected to the rotor magnetic ring through a magnetic levitation air gap. The rotor magnetic ring can smoothly rotate magnetically levitated on the outer wall of the encapsulation mechanism, reducing frictional resistance during rotation. A bushing is connected to the outer wall of the rotor magnetic ring. The rotor magnetic ring is the core component for the motor to achieve rotational motion. When the stator generates a magnetic field, it interacts with the rotor magnetic ring, thereby driving the rotor magnetic ring to rotate at high speed. A connecting part is fixedly connected inside the rotor magnetic ring. The connecting part can enhance the magnetic field interaction between the rotor and the stator, further improving the motor's working efficiency and performance.

[0007] As a further description of the above technical solution:

[0008] The wire clamp mechanism includes a lead wire, one end of which is wound around the winding groove. A clamping plate is provided on the bottom surface of the lead wire. A positioning post is fixedly connected to the top surface of the clamping plate. A clamping plate is engaged on the top surface of the clamping plate. A positioning hole is provided on the outer wall of the clamping plate. A slot is provided on the adjacent side of both the clamping plate and the clamping plate.

[0009] Through the above technical solution: one end of the lead wire is tightly and orderly wound on the winding slot. A clamp is installed on the outer wall of the lead wire, and a positioning post is fixedly connected to the top surface of the clamp. The positioning post is cylindrical in shape. The top surface of the clamp and the upper part of the clamp engage with each other. A positioning hole is opened on the outer wall of the clamp. The diameter of the positioning hole is precisely matched with the diameter of the positioning post. During assembly, the positioning post can be inserted into the positioning hole to achieve precise horizontal positioning of the upper and lower parts of the clamp. A slot is opened on the adjacent side of the lower and upper parts of the clamp. The slot is semi-circular in shape. When the positioning post is inserted into the positioning hole, the two slots are exactly connected to form a complete annular groove to accommodate the lead wire. This further enhances the stability of the connection between the upper and lower parts of the clamp and ensures that the lead wire is firmly clamped between the two without loosening or displacement.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the housing is fixedly connected with mounting parts.

[0012] Through the above technical solution: the outer wall of the shell is fixedly connected with the mounting component, the mounting component fits tightly with the outer wall of the shell, and provides a stable support point for subsequent installation and fixation.

[0013] As a further description of the above technical solution:

[0014] A central shaft is fixedly connected to the middle of the rotor.

[0015] The above technical solution involves a central shaft fixedly connected at the middle of the rotor to ensure operational stability and reliability.

[0016] As a further description of the above technical solution:

[0017] The top surface of the steel sheet is provided with a through hole.

[0018] The above technical solution involves providing through holes on the top surface of the steel sheet, allowing the ground wire pins to be directly inserted into the through holes. This reduces welding processes and improves the overall manufacturing efficiency of the plastic-encapsulated stator structure.

[0019] As a further description of the above technical solution:

[0020] One end of the lead wire is fixedly connected to a terminal.

[0021] The above technical solution ensures the reliability of current transmission by fixing a terminal to one end of the lead wire.

[0022] As a further description of the above technical solution:

[0023] One end of the rotor is fixedly connected to a wind tunnel.

[0024] Through the above technical solution: one end of the rotor is fixedly connected to the air duct, which can effectively guide the airflow and form a working airflow.

[0025] As a further description of the above technical solution:

[0026] A rotating shaft is fixedly connected to one end of the air duct.

[0027] The above technical solution involves fixing a rotating shaft at the end of the air duct furthest from the rotor. The rotating shaft is used to stably set up the air duct and ensure its stability.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the motor stator is composed of steel sheets and winding slots. When current passes through the winding slots, a magnetic field is formed according to the principle of electromagnetic induction. The change of current will cause the surrounding magnetic field to change accordingly. The rotor has an embedded connecting part with a constant magnetic field. The magnetic field generated by the stator is energized and interacts with the magnetic field of the permanent magnet on the rotor, producing an attraction and repulsion effect. The magnetic force causes the rotor to start rotating, driving the fan to rotate. Pin 1 and pin 2 are set in the inner ring of the steel sheet. The built-in pin 1 and pin 2 can effectively reduce the problem of external exposure of positioning holes, pin 1 and pin 2, improve the appearance integrity after plastic sealing pin 1 and pin 2, and at the same time help to reduce the overall thickness of plastic sealing.

[0030] 2. In this utility model, a wire clamping mechanism is provided on the outside of the lead wire, which can be fastened to the inside of the shell after plastic sealing. The lead wire is clamped in the middle by the clamping plate and the clamping plate. The positioning pin and positioning hole ensure accurate locking position. The clamping groove protects the lead wire from damage. The wire clamping mechanism can reduce the loosening of the lead wire. A through hole is provided in the inner ring of the steel plate, and the ground wire pin is directly inserted into the through hole, which can reduce the welding process and improve the overall manufacturing efficiency of the plastic-sealed stator structure. Attached Figure Description

[0031] Figure 1 This is a front perspective view of the stator pin structure of a cross-flow wind turbine motor proposed in this utility model;

[0032] Figure 2 This is a partial structural exploded view of the rotor of a cross-flow wind turbine motor with a stator pin-type structure proposed in this utility model.

[0033] Figure 3 This is a partial structural exploded view of the stator pin structure packaging mechanism of a cross-flow wind turbine motor proposed in this utility model.

[0034] Figure 4 This is a partial structural diagram of the stator pin-structure winding slot of a cross-flow wind turbine motor proposed in this utility model.

[0035] Figure 5 This is a partial structural exploded view of the stator pin structure clip of a cross-flow wind turbine motor proposed in this utility model;

[0036] Figure 6 This is a cross-sectional view of the stator pin structure of a cross-flow wind turbine motor proposed in this utility model.

[0037] Legend:

[0038] 1. Outer shell; 2. Wire clamp mechanism; 201. Lower clamp; 202. Upper clamp; 203. Positioning post; 204. Positioning hole; 205. Slot; 206. Lead wire; 3. Encapsulation mechanism; 4. Rotor magnetic ring; 5. Bushing; 6. Connecting part; 7. Steel sheet; 8. Winding wire groove; 9. Pin 1; 10. Pin 2; 11. Air duct; 12. Mounting part; 13. Central shaft; 14. Through hole; 15. Terminal; 16. Rotating shaft. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] Please see the appendix Figure 1 - Appendix Figure 3 This utility model provides an embodiment of a stator pin structure for a cross-flow wind turbine motor, including a housing 1. An encapsulation mechanism 3 is fixedly connected to the inner wall of the housing 1. Steel sheets 7 are arranged on the inner wall of the encapsulation mechanism 3. Multiple steel sheets 7 form the structure of the stator core. Winding slots 8 are arranged on the outer wall of the steel sheets 7. A pin 9 is arranged on the left side of the top surface of the steel sheet 7, and a pin 10 is arranged on the right side of the top surface of the steel sheet 7. A bushing 5 is connected to the outer wall of the encapsulation mechanism 3 via a magnetically levitated air gap. A rotor magnetic ring 4 is fixedly connected to the inner wall of the bushing 5. A connecting part 6 is fixedly connected to the other side of the rotor magnetic ring 4. A wire clamp mechanism 2 is arranged on the outer wall of the encapsulation mechanism 3 for fixing wires. A magnetically levitated air gap exists between the rotor magnetic ring 4 and the stator core structure. The air gap distance between the two is 0.2-2 mm. In this embodiment, the stator core can be selected as a twelve-slot, ten-pole or twelve-slot, fourteen-pole structure.

[0041] Specifically, the outer shell 1 serves as the external protective frame for the entire structure, effectively resisting interference and damage from the external environment. An encapsulation mechanism 3 is fixedly connected to the inner wall of the outer shell 1. The encapsulation mechanism 3 is made of a material with excellent insulation properties, providing a stable installation environment for the internal components and also providing good insulation to prevent current leakage. Inside the encapsulation mechanism 3, a steel sheet 7 is installed. The steel sheet 7 has high magnetic permeability and is one of the key components for the motor to achieve electromagnetic conversion. Winding slots 8 are evenly arranged on the outer wall of the steel sheet 7. The winding slots 8 ensure that the windings can be wound in a predetermined manner, thereby generating a stable and compliant magnetic field when energized. A pin 9 is installed on the left side of the top surface of the steel sheet 7, and a... Pin 2 10, pin 1 9, and pin 2 10 are made of a highly conductive metal material and are used to connect to an external circuit, introducing the current from the external power supply into the winding. The outer wall of the encapsulation mechanism 3 is rotatably connected to the bushing 5, allowing the bushing 5 to rotate smoothly on the outer wall of the encapsulation mechanism 3, reducing frictional resistance during rotation. A rotor magnetic ring 4 is connected to the outer wall of the bushing 5. The rotor magnetic ring 4 is the core component for the motor to achieve rotational motion. When the stator generates a magnetic field, it interacts with the rotor magnetic ring 4, thereby driving the rotor magnetic ring 4 to rotate at high speed. A connecting part 6 is fixedly connected inside the rotor magnetic ring 4. The connecting part 6 can enhance the magnetic field interaction between the rotor magnetic ring 4 and the stator, further improving the working efficiency and performance of the motor.

[0042] Please see the appendix Figure 4 - Appendix Figure 5 The wire clamp mechanism 2 includes a lead wire 206, one end of which is wound around the winding groove 8. A lower clamp 201 is provided on the bottom surface of the lead wire 206. A positioning post 203 is fixedly connected to the top surface of the lower clamp 201. An upper clamp 202 is engaged on the top surface of the lower clamp 201. A positioning hole 204 is provided on the outer wall of the upper clamp 202. A slot 205 is provided on the adjacent side of both the lower clamp 201 and the upper clamp 202.

[0043] Specifically, one end of the lead wire 206 is tightly and orderly wound around the winding slot 8. A clamping plate 201 is installed on the outer wall of the lead wire 206. A positioning post 203 is fixedly connected to the top surface of the clamping plate 201. The positioning post 203 is cylindrical. The top surface of the clamping plate 201 engages with the clamping plate 202. A positioning hole 204 is provided on the outer wall of the clamping plate 202. The diameter of the positioning hole 204 precisely matches the diameter of the positioning post 203. During assembly, the positioning post 203 can be inserted into the positioning hole 204 to achieve clamping. The upper 202 and the lower clamp 201 are precisely positioned in the horizontal direction. The lower clamp 201 and the upper clamp 202 are each provided with a slot 205 on their adjacent sides. The slot 205 is semi-circular in shape. When the positioning post 203 is inserted into the positioning hole 204, the two slots 205 are exactly connected to form a complete annular groove to accommodate the lead wire 206. This further enhances the stability of the connection between the upper clamp 202 and the lower clamp 201, ensuring that the lead wire 206 is firmly clamped between the two and will not loosen or shift.

[0044] Please see the appendix Figure 2 - Appendix Figure 4 The outer wall of the outer casing 1 is fixedly connected to the mounting part 12, the center shaft 13 is fixedly connected to the middle of the rotor magnetic ring 4, and the top surface of the steel sheet 7 is provided with a through hole 14.

[0045] Specifically, the outer wall of the outer casing 1 is fixedly connected to the mounting part 12, which fits tightly against the outer wall of the outer casing 1 and provides a stable support point for subsequent installation and fixation. A central shaft 13 is fixedly connected at the middle position of the rotor magnetic ring 4 to ensure the stability and reliability of operation. A through hole 14 is provided on the top surface of the steel sheet 7 for directly inserting the ground wire pin into the through hole 14, which can reduce welding processes and improve the overall manufacturing efficiency of the plastic-encapsulated stator structure.

[0046] Please see the appendix Figure 4 - Appendix Figure 6 One end of the lead wire 206 is fixedly connected to a terminal 15, one end of the rotor magnetic ring 4 is fixedly connected to a duct 11, and one end of the duct 11 is fixedly connected to a rotating shaft 16.

[0047] Specifically, one end of the lead wire 206 is fixedly connected to a terminal 15 to ensure the reliability of current transmission. One end of the rotor magnetic ring 4 is fixedly connected to the air duct 11, which can effectively guide the airflow and form a working airflow. A rotating shaft 16 is fixedly connected to the end of the air duct 11 away from the rotor magnetic ring 4. The rotating shaft 16 is used to stably set the air duct 11 and ensure the stability of the air duct 11.

[0048] Working principle: The motor stator is composed of steel sheets 7 and winding slots 8. When current passes through the winding slots 8, a magnetic field is formed according to the principle of electromagnetic induction. The change of current will cause the surrounding magnetic field to change accordingly. The rotor magnetic ring 4 is embedded with a connecting part 6, which has a constant magnetic field. The magnetic field generated by the stator is energized and interacts with the magnetic field of the permanent magnet on the rotor magnetic ring 4, which will produce an attraction and repulsion effect. The magnetic force causes the rotor magnetic ring 4 to start rotating, driving the fan duct 11 to rotate. Pin 1 9 and pin 2 10 are set in the inner ring of the steel sheet 7. The built-in pin 1 9 and pin 2 10 can effectively reduce the problem of external exposure of the positioning hole 204, pin 1 9 and pin 2 10, improve the appearance integrity after plastic sealing pin 1 9 and pin 2 10, and at the same time help to reduce the overall thickness of plastic sealing.

[0049] A wire clamping mechanism 2 is provided on the outside of the lead wire 206, which can be fastened to the inside of the outer shell 1 after plastic sealing. The lower clamp 201 and the upper clamp 202 clamp the lead wire 206 in the middle. The positioning post 203 and the positioning hole 204 ensure accurate locking position. The slot 205 protects the lead wire 206 from damage. The wire clamping mechanism 2 can reduce the loosening of the lead wire 206. A through hole 14 is provided in the inner ring of the steel sheet 7, and the ground wire pin is directly inserted into the through hole 14, which can reduce welding process and improve the overall manufacturing efficiency of the plastic-sealed stator structure.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A stator pin structure for a cross-flow wind turbine motor, comprising a housing (1), characterized in that: The inner wall of the outer shell (1) is fixedly connected to an encapsulation mechanism (3). The inner wall of the encapsulation mechanism (3) is provided with a steel sheet (7). The outer wall of the steel sheet (7) is provided with a winding groove (8). A first pin (9) is provided on the left side of the top surface of the steel sheet (7). A second pin (10) is provided on the right side of the top surface of the steel sheet (7). The outer wall of the encapsulation mechanism (3) is connected to a rotor magnetic ring (4) through a magnetic levitation air gap. A bushing (5) is fixedly connected to the outer wall of the rotor magnetic ring (4). A connecting part (6) is fixedly connected to the other side of the rotor magnetic ring (4). A wire clamp mechanism (2) is provided on the outer wall of the encapsulation mechanism (3). The wire clamp mechanism (2) is used to fix the wire.

2. The stator pin structure of a cross-flow wind turbine motor according to claim 1, characterized in that: The wire clamp mechanism (2) includes a lead wire (206), one end of which is wound around the winding groove (8). A lower clamp (201) is provided on the bottom surface of the lead wire (206). A positioning post (203) is fixedly connected to the top surface of the lower clamp (201). A upper clamp (202) is engaged on the top surface of the lower clamp (201). A positioning hole (204) is provided on the outer wall of the upper clamp (202). A slot (205) is provided on the adjacent side of the lower clamp (201) and the upper clamp (202).

3. The stator pin structure of a cross-flow wind turbine motor according to claim 1, characterized in that: The outer wall of the outer shell (1) is fixedly connected to the mounting component (12).

4. The stator pin structure of a cross-flow wind turbine motor according to claim 1, characterized in that: The rotor magnetic ring (4) is fixedly connected to a central shaft (13) at its center.

5. The stator pin structure of a cross-flow wind turbine motor according to claim 1, characterized in that: The top surface of the steel sheet (7) is provided with a through hole (14).

6. The stator pin structure of a cross-flow wind turbine motor according to claim 2, characterized in that: One end of the lead wire (206) is fixedly connected to a terminal (15).

7. The stator pin structure of a cross-flow wind turbine motor according to claim 1, characterized in that: One end of the rotor magnetic ring (4) is fixedly connected to the air duct (11).

8. The stator pin structure of a cross-flow wind turbine motor according to claim 7, characterized in that: A rotating shaft (16) is fixedly connected to one end of the air duct (11).

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