A motor winding structure
By adopting a combined structure of heat exchange pipe and annular ventilation chamber in the motor, the problem of low heat dissipation efficiency of the motor is solved, and the good heat dissipation of the motor and the delay of the overheating speed is achieved, while the structural reinforcement effect is increased.
Patent Information
- Application Number
- CN202421502104.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During operation, the existing motors are prone to overheating due to the low heat dissipation efficiency of the heat generated by the stator core and copper wire winding.
A motor winding structure is designed, using a combined structure of a heat exchange tube and annular ventilation chamber. Through the exchange of cold air and heat in the heat exchange tube, good heat dissipation of the motor is achieved.
It effectively delays the overheating speed of the motor, improves the heat dissipation efficiency, and increases the reinforcement effect between the motor housing and the stator core, avoiding the stator shaking or rotating.
Smart Images
Figure CN222750223U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motor windings, and in particular relates to a motor winding structure. Background Art
[0002] The motor is mainly composed of a stator and a rotor. The stator usually includes a stator core, a stator winding, and a frame, while the rotor includes a rotor core, a rotor winding, and a rotating shaft. During the operation of the motor, the stator core and the stator copper wire winding will generate a lot of heat. At present, the heat dissipation of this part of the heat is generally achieved by setting fins on the outside of the motor housing, but this method has a low heat dissipation efficiency, which makes the motor still prone to overheating. Utility Model Content
[0003] In view of the above problems, the purpose of the present utility model is to provide a motor winding structure, which can achieve good heat dissipation for the motor and delay the overheating speed of the motor.
[0004] To achieve the above objectives, the utility model provides the following technical solutions: a motor winding structure, comprising a motor housing, the inner side of the motor housing is provided with, a stator is installed inside the motor housing, the stator comprises a stator core, the outer side of the stator core is provided with a second embedding groove, the inner side of the stator core is provided with a copper wire winding, an enhanced heat dissipation structure is inserted and installed on the inner side of the motor housing, the enhanced heat dissipation structure comprises a heat exchange tube inserted between the stator and the second embedding groove, a partition plate is provided inside the heat exchange tube, an air inlet channel and an air outlet channel are respectively provided on both sides of the partition plate inside the heat exchange tube, one end of the heat exchange tube passes through the end cover of the motor housing and is connected to an annular ventilation chamber, an air inlet chamber and an air outlet chamber are provided on the inner side of the annular ventilation chamber, a side of the air inlet chamber away from the heat exchange tube is connected to the air inlet pipe, a side of the air outlet chamber away from the heat exchange tube is connected to the air outlet pipe, the other end of the air inlet pipe is connected to the first annular air duct, and the other end of the air outlet pipe is connected to the second annular air duct.
[0005] The beneficial effects of the utility model are as follows: when the device is installed and used, the ventilation pipe joint on the first annular air duct is connected to the air supply hose of an air supply device such as a small blower or fan through a hose, and the ventilation pipe joint on the second annular air duct is connected to the hose for conducting hot air, and the device can be put into use. During the operation of the motor, the rotor and the rotating shaft are responsible for rotating and driving the coupling or connecting rotating shaft connected to the rotating shaft. The heat generated by the stator core during operation can be conducted to the heat exchange tube, and the cold air is sent into the first annular air duct through the second annular air duct through the small blower, fan and other equipment, and then input into the air inlet chamber, enters the air inlet channel of the heat exchange tube through the air inlet chamber, flows along the air inlet channel to the end of the heat exchange tube, and rotates at the end of the heat exchange tube. The air flows into the air outlet channel, and then the air flow in the air outlet channel flows into the air outlet chamber. In this process, the cold air flows for a long distance inside the air inlet channel and the air outlet channel, and fully exchanges and absorbs heat with the heat conducted to the heat exchange tube, and conducts the heat into the air flow, thereby achieving good heat dissipation for the motor and delaying the overheating of the motor. The hot air flowing into the air outlet chamber from the air outlet channel passes through the second annular air duct and the ventilation pipe joint on the second annular air duct and enters the exhaust duct and is discharged. The heat exchange tube is inserted between the first embedded groove and the second embedded groove. In addition to having a large contact area with the stator core and a better heat dissipation effect, it can also reinforce the motor casing and the stator core to prevent the stator from shaking or rotating.
[0006] In order to allow the heat exchange tube to be inserted between the second embedding groove and the first embedding groove:
[0007] As a further improvement of the above technical solution: the second embedding groove is aligned with the first embedding groove.
[0008] The beneficial effect of this improvement is that the second embedding groove is aligned with the first embedding groove, so that the heat exchange tube can be inserted.
[0009] To drive external devices to run:
[0010] As a further improvement of the above technical solution: a rotor is provided on the inner side of the stator, and a rotating shaft is provided on the inner side of the rotor.
[0011] The beneficial effect of this improvement is that the rotation of the rotor and the shaft can generate power to drive external equipment to operate.
[0012] For ventilation of the unit:
[0013] As a further improvement of the above technical solution: the tops of the first annular air duct and the second annular air duct are connected to ventilation pipe joints.
[0014] The beneficial effect of this improvement is that when the device is installed and used, the ventilation pipe joint on the first annular air duct is connected through a hose and the air supply hose of an air supply device such as a small blower or fan, and the ventilation pipe joint on the second annular air duct is connected to the hose for extracting hot air, and the device can be put into use.
[0015] For the air inlet and outlet of this device:
[0016] As a further improvement of the above technical solution: the air outlet chamber is connected to the air outlet channel of a heat exchange tube, and the air inlet chamber located on one side of the air outlet chamber is connected to the air inlet channel of the same heat exchange tube, and each heat exchange tube corresponds to a group of air outlet chambers and a group of air inlet chambers.
[0017] The beneficial effect of this improvement is: cold air is sent into the first annular air duct through the second annular air duct by a small blower, fan and other equipment, and then input into the air inlet chamber, enters the air inlet channel of the heat exchange tube through the air inlet chamber, and the hot air flows into the air outlet chamber from the air outlet channel, enters the exhaust duct through the second annular air duct and the ventilation pipe joint on the second annular air duct and is discharged.
[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the right front axonometric structure of the utility model;
[0020] Figure 2 It is a partial axonometric cutaway schematic diagram of the utility model;
[0021] Figure 3 It is a bottom cutaway schematic diagram of the annular ventilation chamber of the utility model;
[0022] Figure 4 It is a schematic diagram of a top view and cross-section structure of the utility model;
[0023] Figure 5 It is a schematic diagram of a partial bottom cutaway structure of the utility model;
[0024] Figure 6 It is a cross-sectional schematic diagram of the heat exchange tube in the utility model;
[0025] Figure 7 It is a cross-sectional schematic diagram of the air inlet chamber and the air outlet chamber in the utility model;
[0026] In the figure: 1. motor housing; 2. first embedding groove; 3. stator; 4. stator core; 5. second embedding groove; 6. copper wire winding; 7. rotor; 8. rotating shaft; 9. heat exchange tube; 10. partition plate; 11. air inlet channel; 12. air outlet channel; 13. annular ventilation chamber; 14. air inlet chamber; 15. air outlet chamber; 16. air inlet duct; 17. air outlet duct; 18. first annular air duct; 19. second annular air duct; 20. ventilation pipe joint. DETAILED DESCRIPTION
[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the present invention.
[0028] like Figure 1-7 As shown, a motor winding structure includes a motor housing 1, the inner side of the motor housing 1 is provided with a stator 3 installed inside the motor housing 1, the stator 3 includes a stator core 4, the outer side of the stator core 4 is provided with a second embedding groove 5, the inner side of the stator core 4 is provided with a copper wire winding 6, the inner side of the motor housing 1 is inserted with a heat exchange tube 9 inserted between the stator 3 and the second embedding groove 5, the heat exchange tube 9 is provided with a partition plate 10, and the interior of the heat exchange tube 9 is located at the partition plate 10 An air inlet channel 11 and an air outlet channel 12 are respectively provided on both sides, one end of the heat exchange tube 9 passes through the end cover of the motor housing 1 and is connected to the annular ventilation chamber 13, and the inner side of the annular ventilation chamber 13 is provided with an air inlet chamber 14 and an air outlet chamber 15 which are staggered and distributed. The side of the air inlet chamber 14 away from the heat exchange tube 9 is connected to the air inlet pipe 16, and the side of the air outlet chamber 15 away from the heat exchange tube 9 is connected to the air outlet pipe 17, the other end of the air inlet pipe 16 is connected to the first annular air duct 18, and the other end of the air outlet pipe 17 is connected to the second annular air duct 19.
[0029] When the device is installed and used, the ventilation pipe joint 20 on the first annular air duct 18 is connected to the air supply hose of a small blower, fan or other air supply equipment through a hose, and the ventilation pipe joint 20 on the second annular air duct 19 is connected to the hose for conducting hot air, and the device can be put into use. During the operation of the motor, the rotor 7 and the rotating shaft 8 are responsible for rotating and driving the coupling or connecting rotating shaft connected to the rotating shaft 8. The heat generated by the stator core 4 during the operation can be conducted to the heat exchange tube 9. The cold air is sent into the first annular air duct 18 through the second annular air duct 19 through the small blower, fan or other equipment, and then input into the air inlet chamber 14, enters the air inlet channel 11 of the heat exchange tube 9 through the air inlet chamber 14, flows along the air inlet channel 11 to the end of the heat exchange tube 9, and turns to flow at the end of the heat exchange tube 9. In the air inlet and outlet channel 12, and then the air flow in the air outlet channel 12 flows into the air outlet chamber 15. In this process, the cold air flows for a long distance inside the air inlet channel 11 and the air outlet channel 12, and fully exchanges heat and absorbs heat with the heat conducted to the heat exchange tube 9, and conducts the heat into the air flow to achieve good heat dissipation of the motor. The hot air flowing into the air outlet chamber 15 from the air outlet channel 12 passes through the second annular air duct 19 and the ventilation pipe joint 20 on the second annular air duct 19 and enters the exhaust duct for discharge. The heat exchange tube 9 is inserted between the first embedded groove 2 and the second embedded groove 5. In addition to having a large contact area with the stator core 4 and a good heat dissipation effect, it can also play a reinforcement role between the motor housing 1 and the stator core 4 to prevent the stator 3 from shaking or rotating.
[0030] The second embedding groove 5 is aligned with the first embedding groove 2 .
[0031] The second embedding groove 5 is aligned with the first embedding groove 2 so that the heat exchange tube 9 can be inserted.
[0032] A rotor 7 is disposed inside the stator 3 , and a rotating shaft 8 is disposed inside the rotor 7 .
[0033] The rotation of the rotor 7 and the rotating shaft 8 can generate power to drive external equipment to operate.
[0034] The tops of the first annular air duct 18 and the second annular air duct 19 are connected to a ventilation pipe joint 20 .
[0035] When the device is installed and used, the ventilation pipe joint 20 on the first annular air duct 18 is connected to the air supply hose of an air supply device such as a small blower or fan through a hose, and the ventilation pipe joint 20 on the second annular air duct 19 is connected to the hose for extracting hot air, and the device can be put into use.
[0036] The air outlet chamber 15 is connected to the air outlet channel 12 of a heat exchange tube 9, and the air inlet chamber 14 located on one side of the air outlet chamber 15 is connected to the air inlet channel 11 of the same heat exchange tube 9. Each heat exchange tube 9 corresponds to a group of air outlet chambers 15 and a group of air inlet chambers 14.
[0037] The cold air is sent into the first annular air duct 18 through the second annular air duct 19 by a small blower, fan and other equipment, and then input into the air inlet chamber 14, enters the air inlet channel 11 of the heat exchange tube 9 through the air inlet chamber 14, and the hot air flows into the air outlet chamber 15 from the air outlet channel 12, enters the exhaust duct through the second annular air duct 19 and the ventilation pipe joint 20 on the second annular air duct 19 and is discharged.
[0038] Working principle and use process of the utility model: when installing and using the device, the ventilation pipe joint 20 on the first annular air duct 18 is connected to the air supply hose of a small blower, fan and other air supply equipment through a hose, and the ventilation pipe joint 20 on the second annular air duct 19 is connected to the hose for extracting hot air, and the device can be put into use. During the operation of the motor, the rotor 7 and the rotating shaft 8 are responsible for rotating and driving the coupling or connecting rotating shaft connected to the rotating shaft 8. The heat generated by the stator core 4 during the operation can be conducted to the heat exchange tube 9. The cold air is sent into the first annular air duct 18 through the second annular air duct 19 through the small blower, fan and other equipment, and then input into the air inlet chamber 14, enters the air inlet channel 11 of the heat exchange tube 9 through the air inlet chamber 14, flows along the air inlet channel 11 to the end of the heat exchange tube 9, and The end of the tube 9 turns to flow into the air outlet channel 12, and then the airflow in the air outlet channel 12 flows into the air outlet chamber 15. In this process, the cold air flows for a long distance inside the air inlet channel 11 and the air outlet channel 12, and fully exchanges heat and absorbs heat conducted to the heat exchange tube 9, and conducts heat into the air flow to achieve good heat dissipation of the motor. The hot air flowing into the air outlet chamber 15 from the air outlet channel 12 passes through the second annular air duct 19 and the ventilation pipe joint 20 on the second annular air duct 19 and enters the exhaust duct for discharge. The heat exchange tube 9 is inserted between the first embedded groove 2 and the second embedded groove 5. In addition to having a large contact area with the stator core 4 and a good heat dissipation effect, it can also play a reinforcement role between the motor housing 1 and the stator core 4 to prevent the stator 3 from shaking or rotating.
[0039] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.
[0040] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.
Claims
1. A motor winding structure, characterized in that: The invention comprises a motor housing (1), the inner side of the motor housing (1) is provided with a stator (3) installed inside the motor housing (1), the stator (3) comprises a stator core (4), the outer side of the stator core (4) is provided with a second embedding groove (5), the inner side of the stator core (4) is provided with a copper wire winding (6), the inner side of the motor housing (1) is provided with a heat exchange tube (9) inserted between the stator (3) and the second embedding groove (5), the heat exchange tube (9) is provided with a partition plate (10), and the heat exchange tube (9) is provided with two heat exchange tubes (9) on both sides of the partition plate (10) respectively. An air inlet channel (11) and an air outlet channel (12) are provided, one end of the heat exchange tube (9) passes through the end cover of the motor housing (1) and is connected to the annular ventilation chamber (13), the inner side of the annular ventilation chamber (13) is provided with an air inlet chamber (14) and an air outlet chamber (15) which are staggered and distributed, the side of the air inlet chamber (14) away from the heat exchange tube (9) is connected to the air inlet pipe (16), the side of the air outlet chamber (15) away from the heat exchange tube (9) is connected to the air outlet pipe (17), the other end of the air inlet pipe (16) is connected to the first annular air pipe (18), and the other end of the air outlet pipe (17) is connected to the second annular air pipe (19).
2. A motor winding structure according to claim 1, characterized in that: The second embedding groove (5) is aligned with the first embedding groove (2).
3. The motor winding structure according to claim 1, characterized in that: A rotor (7) is provided on the inner side of the stator (3), and a rotating shaft (8) is provided on the inner side of the rotor (7).
4. The motor winding structure according to claim 1, characterized in that: The tops of the first annular air duct (18) and the second annular air duct (19) are connected to a ventilation pipe joint (20).
5. The motor winding structure according to claim 1, characterized in that: The air outlet chamber (15) is connected to an air outlet channel (12) of a heat exchange tube (9), and the air inlet chamber (14) located on one side of the air outlet chamber (15) is connected to an air inlet channel (11) of the same heat exchange tube (9), and each heat exchange tube (9) corresponds to a group of air outlet chambers (15) and a group of air inlet chambers (14).