Multi-slot-pole matched high-efficiency motor
By using a multi-slot pole matching structure and a NdFeB magnet permanent magnet in the motor, combined with a resin frame and a balance block, the problems of noise and cost of traditional motors are solved, and an efficient and stable motor design is achieved, suitable for electric compressors market.
Patent Information
- Application Number
- CN202420711606.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-09
AI Technical Summary
Traditional motors are costly and prone to noise problems, affecting efficiency and stability.
A high-efficiency motor with multi-slot pole fit is designed, using the structure of a stator core and a rotor core, combining a resin frame, a balance block and an electromagnetic block, and using a permanent magnet of neodymium iron boron magnet to supply a variable frequency power supply through the controller to generate a magnetic field. Reduce noise and vibration and simplify installation and adjustment with special terminal housing and plug-in notch structures.
It realizes reducing motor noise, improving efficiency, saving materials and costs, and improving the stability and practicality of the motor.
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Figure CN222169513U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to multi-slot pole matched high-efficiency motors, and specifically relates to a multi-slot pole matched high-efficiency motor. Background Art
[0002] my country is a country with large coal reserves and consumption, but it is also a "weak country" in terms of oil and gas, and needs a large amount of oil and gas imports every year. The development of new energy vehicles is the inevitable result of complying with the reform of energy structure, optimizing resource allocation, and reducing the burden of traditional energy. Moreover, with the gradual depletion of petrochemical resources, the development of new energy is the only way at present. However, traditional motors have relatively high production costs and are prone to noise. The utility model improves the above-mentioned problems and specifically relates to a high-efficiency motor with multi-slot pole matching. Utility Model Content
[0003] The utility model aims to provide a high-efficiency motor with multiple slot poles, so as to solve the problems of relatively high manufacturing cost and easy noise generation of the traditional motor mentioned in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-efficiency motor with multi-slot pole matching, comprising a stator core and a rotor core arranged at the middle position of the stator core;
[0005] A resin frame is provided at the end of the stator core, a stator winding is provided at the inner side of the resin frame, rotor end plates are provided at both ends of the rotor core, balancing blocks are provided at the side of the rotor end plates, and electromagnetic blocks are provided at the side of both ends of the rotor core. The balancing blocks improve the quality of the rotor and its products, reduce noise and vibration, and make the rotor as a whole reach the rated balance. This rotor is installed on both sides, and the electromagnetic block adopts neodymium iron boron permanent magnet. In the motor, the magnetic steel is an important part of the magnetic circuit. The controller supplies variable frequency power to the coil to generate a magnetic field to drive the motor to operate. The magnetic steel material adopts neodymium iron boron rare earth.
[0006] Preferably, insulating slot paper is provided at the inner clamping point position of the resin skeleton, and the insulating slot paper is automatically inserted by a coiling device.
[0007] Preferably, a terminal shell is provided at a side position of the stator core, the terminal shell is responsible for connecting with the terminal post, and the lead wire of the stator is inserted into it.
[0008] Preferably, a sealing gasket is provided at the upper end of the terminal shell, and a circular hole protrudes above the terminal shell so that the stator lead wire can be inserted into the hole to cooperate with the terminal shell.
[0009] Preferably, the balancing block is provided with connecting rivets, and the balancing block is installed and connected to the rotor end plate through the connecting rivets.
[0010] Preferably, a plug-in slot is provided at the side position of the stator core, a clamping slot is provided at the side position of the plug-in slot, an extrusion block is provided at the middle position of the plug-in slot, an extrusion connection spring is provided at the upper end position of the extrusion block, a clamping inner block is provided at the side position of the terminal shell, a clamping outer block is provided at the end position of the clamping inner block, the circular diameter of the clamping outer block is equal to the plug-in slot, the outer diameter of the clamping inner block is equal to the inner diameter of the clamping slot, the terminal shell is inserted and slid by the clamping outer block so that the clamping inner block is clamped in the clamping slot, and the clamping inner block can be extruded by squeezing the extrusion block through the extrusion connection spring.
[0011] Preferably, the end position of the clamping inner block is a threaded column structure, and the clamping inner block is installed and connected with the terminal shell by rotating the threaded column at the end position.
[0012] Preferably, a toggle movable block is provided at a side position of the extrusion block, vertical lines are provided at an upper surface position of the toggle movable block, and a movable limiting groove is provided at an outer position of the end of the toggle movable block.
[0013] Compared with the prior art, the utility model provides a high-efficiency motor with multi-slot pole matching, which has the following beneficial effects:
[0014] 1. In a high-efficiency motor with multiple slot poles, a resin frame is provided at the end of the stator core, a stator winding is provided at the inner side of the resin frame, a rotor end plate is provided at both ends of the rotor core, a balancing block is provided at the side of the rotor end plate, and an electromagnetic block is provided at the side of both ends of the rotor core. The balancing block improves the quality of the rotor and its components, reduces noise and vibration, and makes the rotor as a whole reach the rated balance. The rotor is installed on both sides, and the electromagnetic block adopts a neodymium iron boron permanent magnet. In the motor, the magnetic steel is an important part of the magnetic circuit. The controller supplies variable frequency power to the coil to generate a magnetic field to drive the motor to operate. The magnetic steel material adopts neodymium iron boron rare earth. The structure developed and designed for this new motor is currently widely used in the domestic and foreign electric compressor markets. Its characteristics are improved efficiency, material saving, cost reduction, stable operation and effective reduction of motor body noise.
[0015] 2. In a high-efficiency motor with multiple slots and poles, a plug-in slot is provided at the side position of the stator core, a clamping slot is provided at the side position of the plug-in slot, an extrusion block is provided at the middle position of the plug-in slot, an extrusion connection spring is provided at the upper end position of the extrusion block, a clamping inner block is provided at the side position of the terminal shell, a clamping outer block is provided at the end position of the clamping inner block, the circular diameter of the clamping outer block is equal to the plug-in slot, the outer diameter of the clamping inner block is equal to the inner diameter of the clamping slot, the terminal shell is inserted and slid through the clamping outer block so that the clamping inner block is clamped in the clamping slot, and the clamping inner block can be squeezed by squeezing the extrusion block through the extrusion connection spring to limit the extrusion of the clamping inner block. Through this improvement, the terminal shell can be installed and connected without tools, and the installation and disassembly are simple and quick. At the same time, it can be rotated along the stator core to adjust the angle, thereby effectively improving the practicality of the high-efficiency motor with multiple slots and poles. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a schematic diagram of the overall structure of the multi-slot pole matching high-efficiency motor stator core.
[0017] Figure 2 It is a front view structural schematic diagram of a high-efficiency motor rotor core with multi-slot pole matching according to the utility model.
[0018] Figure 3 It is a rear view structural schematic diagram of a high-efficiency motor rotor core with multi-slot pole matching according to the utility model.
[0019] Figure 4 It is a schematic diagram of the side view structure of the high-efficiency motor rotor core with multi-slot pole matching of the utility model.
[0020] Figure 5 It is a schematic diagram of the side view of the structure of the terminal shell of a high-efficiency motor with multiple slots and poles according to the utility model.
[0021] Figure 6 The utility model is a schematic diagram of the structure of the stator core position at the connection of the terminal shell of a high-efficiency motor with multiple slot poles.
[0022] In the figure: 1. resin skeleton; 2. stator core; 3. stator winding; 4. insulating slot paper; 5. sealing gasket; 6. terminal shell; 7. rotor core; 8. rotor end plate; 9. connecting rivet; 10. electromagnetic block; 11. balancing block; 12. snap-fit outer block; 13. snap-fit inner block; 14. extrusion connecting spring; 15. extrusion block; 16. snap-fit notch; 17. plug-in notch; 18. toggle moving block; 19. moving limit slot. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] The utility model provides Figure 1-6 As shown, a high-efficiency motor with multiple slot poles comprises a stator core 2 and a rotor core 7 arranged at the middle position of the stator core 2; a resin frame 1 is arranged at the end position of the stator core 2, a stator winding 3 is arranged at the inner side position of the resin frame 1, a rotor end plate 8 is arranged at the two end positions of the rotor core 7, a balancing block 11 is arranged at the side position of the rotor end plate 8, and an electromagnetic block 10 is arranged at the side position of the two end positions of the rotor core 7. The balancing block 11 improves the quality of the rotor and its products, reduces noise and vibration, and makes the rotor as a whole reach the rated balance. The rotor is installed on both sides, and the electromagnetic block 10 adopts a neodymium iron boron permanent magnet. In the motor, the magnetic steel is an important part of the magnetic circuit. The controller supplies variable frequency power to the coil to generate a magnetic field to drive the motor to operate. The magnetic steel material adopts neodymium iron boron rare earth. The structure developed and designed for this new motor is currently widely used in the domestic and foreign electric compressor markets. It is characterized by improving efficiency, saving materials, reducing costs, stable operation and effectively reducing the noise of the motor body.
[0025] like Figure 1 As shown, insulating slot paper 4 is provided at the inner card point position of the resin skeleton 1, and the insulating slot paper 4 is automatically inserted through the coiling equipment. The insulating slot paper 4 is provided at the inner card point position of the resin skeleton 1, and the insulating slot paper 4 is automatically inserted through the coiling equipment. It is installed through the skeleton card point cooperation, so that the interphase insulating paper can more effectively space the copper wire (to prevent the copper wire from breakdown), prevent the copper wire from being damaged, and increase the overall creepage distance of the motor.
[0026] like Figure 1 As shown, a terminal shell 6 is provided at the side of the stator core 2. The terminal shell 6 is responsible for connecting with the terminal post. The lead wire of the stator is inserted into it and fixed by cooperating with the terminal through the internal buckle. The main function of the bottom circular hole is to connect with the terminal post to form a fixed component for external power introduction and internal power output, and to achieve a sealing effect to prevent liquid from entering its interior and causing unnecessary insulation damage.
[0027] like Figure 1As shown, a sealing gasket 5 is provided at the upper end of the terminal shell 6, and a circular hole protrudes above the terminal shell 6 so that the stator lead wire can be inserted into the hole to cooperate with the terminal shell 6, thereby preventing liquid from entering the terminal shell 6, increasing insulation performance, and achieving a sealing effect.
[0028] like Figure 3 As shown, the balancing block 11 is provided with connecting rivets 9, and the balancing block 11 is installed and connected to the rotor end plate 8 through the connecting rivets 9, and the connecting rivets 9 prevent the rotor parts from falling apart during high-speed operation.
[0029] like Figure 5 and Figure 6 As shown, a plug-in slot 17 is provided at the side position of the stator core 2, a clamping slot 16 is provided at the side position of the plug-in slot 17, an extrusion block 15 is provided at the middle position of the plug-in slot 17, an extrusion connection spring 14 is provided at the upper end position of the extrusion block 15, a clamping inner block 13 is provided at the side position of the terminal shell 6, and a clamping outer block 12 is provided at the end position of the clamping inner block 13, the circular diameter of the clamping outer block 12 is equal to the outer diameter of the plug-in slot 17, and the outer diameter of the clamping inner block 13 is equal to the outer diameter of the plug-in slot 17. At the inner diameter of the snap-in slot 16, the terminal shell 6 is inserted and slid through the snap-in outer block 12 so that the snap-in inner block 13 is snap-into the snap-in slot 16. The snap-in inner block 13 can be squeezed and restricted by squeezing the squeezing block 15 through the squeezing connection spring 14. This improvement allows the terminal shell 6 to be installed and connected without the need for tools, and installation and disassembly are simple and quick. At the same time, it can be rotated along the stator core 2 to adjust the angle, thereby effectively improving the practicality of its multi-slot pole-matched high-efficiency motor.
[0030] like Figure 5 and Figure 6 As shown, the end position of the clamping inner block 13 is a threaded column structure, and the clamping inner block 13 is installed and connected with the terminal shell 6 by rotating the threaded column at its end position, and a toggle movable block 18 is provided at the side position of the extrusion block 15, and vertical lines are provided at the upper surface position of the toggle movable block 18, and a movable limiting groove 19 is provided at the outer position of the end of the toggle movable block 18. The threaded column structure facilitates the installation connection of the clamping inner block 13 with the terminal shell 6, and the vertical lines provided at the upper surface position of the toggle movable block 18 can increase the friction between the user's hand, thereby facilitating the user to apply force to toggle.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A high-efficiency motor with multiple slots and poles, comprising: A stator iron core (2) and a rotor iron core (7) arranged at a middle position of the stator iron core (2); Features: A resin frame (1) is arranged at the end of the stator core (2), a stator winding (3) is arranged at the inner side of the resin frame (1), a rotor end plate (8) is arranged at both ends of the rotor core (7), a balancing block (11) is arranged at the side of the rotor end plate (8), and an electromagnetic block (10) is arranged at the side of both ends of the rotor core (7). The balancing block (11) improves the quality of the rotor and its components, reduces noise and vibration, and enables the rotor as a whole to achieve a rated balance. The rotor is installed on both sides. The electromagnetic block (10) adopts a neodymium iron boron permanent magnet. In the motor, the magnetic steel is an important part of the magnetic circuit. The controller supplies variable frequency power to the coil to generate a magnetic field to drive the motor to operate. The magnetic steel material adopts neodymium iron boron rare earth.
2. A high-efficiency motor with multiple slots and poles according to claim 1, characterized in that: An insulating slot paper (4) is provided at a clamping point position inside the resin skeleton (1), and the insulating slot paper (4) is automatically inserted through a coiling device.
3. A high-efficiency motor with multiple slots and poles according to claim 1, characterized in that: A terminal shell (6) is provided at a side position of the stator iron core (2); the terminal shell (6) is responsible for connecting with the terminal post, and the lead wire of the stator is inserted into the terminal shell.
4. A high-efficiency motor with multiple slots and poles according to claim 3, characterized in that: A sealing gasket (5) is provided at the upper end of the terminal shell (6), and a circular hole protrudes above the terminal shell (6) so that the stator lead wire can be inserted into the hole to cooperate with the terminal shell (6).
5. The high-efficiency motor with multiple slots and poles according to claim 1, characterized in that: The balancing block (11) is provided with a connecting rivet (9), and the balancing block (11) is installed and connected to the rotor end plate (8) via the connecting rivet (9).
6. A high-efficiency motor with multiple slots and poles according to claim 4, characterized in that: The stator core (2) is provided with a plug-in slot (17) at a side position, a clamping slot (16) is provided at a side position of the plug-in slot (17), an extrusion block (15) is provided at a middle position of the plug-in slot (17), and an extrusion connection spring (14) is provided at an upper end position of the extrusion block (15); a clamping inner block (13) is provided at a side position of the terminal shell (6), and a clamping outer block (12) is provided at an end position of the clamping inner block (13); the circular diameter of the clamping outer block (12) is equal to the plug-in slot (17), and the outer diameter of the clamping inner block (13) is equal to the inner diameter of the clamping slot (16); the terminal shell (6) is inserted and slid by the clamping outer block (12) so that the clamping inner block (13) is clamped in the clamping slot (16); and the clamping inner block (13) can be clamped by the clamping outer block (12) through the clamping connection spring (14) to limit the extrusion of the clamping inner block (13).
7. A high-efficiency motor with multiple slots and poles according to claim 6, characterized in that: The end position of the clamping inner block (13) is a threaded column structure, and the clamping inner block (13) is installed and connected to the terminal housing (6) by rotating the threaded column at the end position.
8. The high-efficiency motor with multiple slots and poles according to claim 7, characterized in that: A toggle movable block (18) is provided at a side position of the extrusion block (15), vertical lines are provided at an upper surface position of the toggle movable block (18), and a movable limiting groove (19) is provided at an outer position of the end of the toggle movable block (18).
Citation Information
Cited By
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