Energy-saving motor stator and rotor assembly
By introducing a generator set and a mechanical loss reduction mechanism into the motor, and utilizing conductive metal sleeves and semiconductor cooling components to reduce rotor friction resistance and stator heat energy, the mechanical loss problem caused by stator and rotor losses is solved, thereby improving the motor's operating efficiency.
Patent Information
- Application Number
- CN202423175861.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-12-23
AI Technical Summary
During long-term use, existing motors experience increased mechanical wear and tear on the stator and rotor due to losses, which severely affects the motor's operating efficiency.
The unit employs loss reduction mechanisms and mechanical loss reduction mechanisms, including conductive metal sleeves, semiconductor cooling components, permanent magnet sheets, and ball bearings, to reduce rotor frictional resistance and stator heat release, thereby reducing copper loss and mechanical damage.
It effectively reduces rotor rotational mechanical losses, avoids increased copper losses due to stator heating, and improves motor operating efficiency.
Smart Images
Figure CN223625707U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stator and rotor assembly technology, specifically to an energy-saving motor stator and rotor assembly. Background Technology
[0002] The stator and rotor are the components of an electric motor that convert electromagnetic energy into mechanical energy. The stator is fixedly mounted on the housing and typically has coils wound around it. The rotor is mounted and fixed to the base via bearings or bushings. The rotor contains silicon steel sheets and coils. Under the influence of current in the coils, a magnetic field is generated on the silicon steel sheets of the stator and rotor, which drives the rotor to rotate.
[0003] During long-term use, both the stator and rotor of an electric motor will experience wear and tear. The higher the output power, the higher the input current, and the higher the temperature, the greater the stator copper loss. The higher the rotor current and rotor resistance, the greater the rotor copper loss. The high-speed rotation of the rotor within the stator of existing motors will lead to increased mechanical wear due to the above problems, which may result in a reduction in the actual operating efficiency of the motor in severe cases.
[0004] In view of this, an energy-saving motor stator and rotor assembly was designed to solve the above problems. Utility Model Content
[0005] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.
[0006] Therefore, the technical solution adopted by this utility model is as follows:
[0007] An energy-saving motor stator and rotor assembly includes a motor assembly, a unit loss reduction mechanism disposed outside the motor assembly, and two sets of mechanical loss reduction mechanisms disposed on the unit loss reduction mechanism; the unit loss reduction mechanism includes a conductive metal sleeve, the interior of which is provided with uniformly distributed heat dissipation holes, multiple sets of semiconductor cooling elements disposed inside the conductive metal sleeve and evenly distributed thereon, and wires connected to two adjacent semiconductor cooling elements; the mechanical loss reduction mechanism includes multiple reinforcing outer pads disposed at both ends of the conductive metal sleeve and permanent magnet plates disposed at the outer ends of the reinforcing outer pads; permanent magnet rings are disposed within the six adjacent permanent magnet plates.
[0008] In a preferred embodiment, the present invention can be further configured as follows: two symmetrically distributed anti-compression pads are provided at both ends of the permanent magnet sheet, a support plate is provided in the groove on the inner side of the anti-compression pad, and a plurality of balls are movably installed in the gap between the anti-compression pad and the support plate.
[0009] Multiple of the aforementioned ball bearings are fitted to the end face of the permanent magnet ring;
[0010] A second slot is provided inside the reinforcing outer pad.
[0011] In a preferred embodiment, the present invention can be further configured such that the unit loss reduction mechanism further includes a first washer disposed in the cavity at one end of the conductive metal sleeve and a second washer disposed in the cavity at the other end of the conductive metal sleeve.
[0012] Both the first washer and the second washer are made of stainless steel.
[0013] The inner wall of the conductive metal sleeve is coated with a silver layer.
[0014] In a preferred embodiment, the present invention can be further configured such that: the motor assembly includes a stator disposed in the inner cavity of the conductive metal sleeve and constrained by a first washer and a second washer, and a rotor is disposed inside the stator;
[0015] The rotor inner shaft has four pre-installed holes at both ends.
[0016] In a preferred embodiment, the present invention can be further configured such that: the outer walls at both ends of the conductive metal sleeve are provided with a plurality of evenly distributed first slots, and the outer walls of the conductive metal sleeve are coated with an insulating varnish layer.
[0017] In a preferred embodiment, the present invention can be further configured as follows: the mechanical damage reduction mechanism further includes a sleeve disposed inside the permanent magnet ring, the outer side of the sleeve is provided with an annular groove adapted to clamp the permanent magnet ring, and two pins are symmetrically distributed at both ends of the sleeve.
[0018] The pin is fitted through the pre-installed hole.
[0019] In a preferred embodiment, the present invention can be further configured such that: the interior of the tray has evenly distributed circular slots;
[0020] The pressure-resistant pad has a spherical recessed hole inside that is adapted to match the circular groove.
[0021] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:
[0022] 1. This utility model, by setting a unit loss reduction mechanism on the outside of the traditional stator, when the rotor rotates at high speed in the middle of the stator cavity, the two sets of mechanical loss reduction mechanisms set at both ends of the unit loss reduction mechanism can reduce the frictional resistance of the rotor. By conducting and releasing the heat energy released by the stator and reducing the rotational resistance of the rotor shaft, the mechanical loss of the rotor rotation can be effectively reduced, while avoiding the increase in copper loss caused by the difficulty in controlling the temperature rise of the stator and rotor. Attached Figure Description
[0023] Figure 1 This is a schematic diagram illustrating the use of this utility model;
[0024] Figure 2This is a schematic diagram of the motor assembly of this utility model;
[0025] Figure 3 This utility model Figure 2 A schematic diagram of a localized explosion;
[0026] Figure 4 This is a schematic diagram of the loss reduction mechanism of the unit according to this utility model;
[0027] Figure 5 This is an exploded view of the mechanical damage reduction mechanism of this utility model.
[0028] Figure label:
[0029] 100. Motor assembly; 110. Stator; 120. Rotor; 130. Pre-installed hole;
[0030] 200. Unit loss reduction mechanism; 210. Conductive metal sleeve; 220. First slot; 230. Heat dissipation hole; 240. First washer; 250. Second washer; 260. Semiconductor cooling component; 270. Wire;
[0031] 300. Mechanical damage reduction mechanism; 310. Reinforced outer pad; 320. Second slot; 330. Permanent magnet sheet; 340. Anti-compression pad; 350. Support plate; 360. Ball bearing; 370. Jacket; 380. Pin; 390. Permanent magnet ring. Detailed Implementation
[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.
[0033] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.
[0034] The following describes, with reference to the accompanying drawings, some embodiments of an energy-saving motor stator and rotor assembly provided by this utility model. Example 1
[0035] Combination Figures 1-5 As shown, the present invention provides an energy-saving motor stator and rotor assembly, including a motor assembly 100, a unit loss reduction mechanism 200 disposed outside the motor assembly 100, and two sets of mechanical loss reduction mechanisms 300 disposed on the unit loss reduction mechanism 200. The unit loss reduction mechanism 200 is used to provide temperature control protection for the motor assembly 100 to reduce the increase of copper consumption, and the mechanical loss reduction mechanism 300 is used to reduce the mechanical loss of the motor assembly 100.
[0036] The motor assembly 100 includes a stator 110 disposed in the inner cavity of the conductive metal sleeve 210 and fitted and constrained by a first washer 240 and a second washer 250, and a rotor 120 is disposed inside the stator 110.
[0037] The inner shaft of rotor 120 has four pre-installed holes 130 at both ends;
[0038] The unit loss reduction mechanism 200 includes a conductive metal sleeve 210, with evenly distributed heat dissipation holes 230 inside the conductive metal sleeve 210, multiple sets of semiconductor cooling elements 260 evenly distributed inside the conductive metal sleeve 210, and wires 270 connected to two adjacent semiconductor cooling elements 260.
[0039] The mechanical damage reduction mechanism 300 includes multiple reinforcing outer pads 310 disposed at both ends of the conductive metal sleeve 210 and permanent magnet sheets 330 disposed at the outer ends of the reinforcing outer pads 310. A second slot 320 is provided in the reinforcing outer pads 310.
[0040] A permanent magnet ring 390 is provided inside each of the six adjacent permanent magnet plates 330.
[0041] After the stator 110 is installed in the inner cavity of the conductive metal sleeve 210, the first washer 240 and the second washer 250, which are pressed and fixed by multiple reinforcing outer pads 310, can lock the stator 110. When the permanent magnet ring 390 is suspended and rotates inside the six permanent magnet plates 330, the permanent magnet ring 390 under the constraint of the evenly distributed multiple sets of anti-pressure pads 340, support plates 350 and ball bearings 360 can rotate with low resistance, thereby effectively reducing the mechanical energy loss during the rotation of the rotor 120.
[0042] As the stator 110 continues to heat up, the energized wires 270 and multiple semiconductor cooling components 260 can cool the stator 110 comprehensively through the silver layer on the inner wall of the conductive metal sleeve 210, thereby avoiding the problem of increased copper loss caused by increased stator output power. Example 2
[0043] Combination Figure 2 and Figure 4 As shown, based on Embodiment 1, the unit loss reduction mechanism 200 further includes a first washer 240 disposed in one end cavity of the conductive metal sleeve 210 and a second washer 250 disposed in the other end cavity of the conductive metal sleeve 210.
[0044] Both the first washer 240 and the second washer 250 are made of stainless steel.
[0045] Preferably, the first washer 240 and the second washer 250 can be pressed together by the two end faces of the stator 110. By fixing the first washer 240 and the second washer 250 with multiple sets of reinforcing outer washers 310, the problem of abnormal vibration of the stator 110 during operation can be effectively avoided.
[0046] The inner wall of the conductive metal sleeve 210 is coated with a silver layer;
[0047] The outer walls of the conductive metal sleeve 210 at both ends are provided with a plurality of evenly distributed first slots 220, and the outer walls of the conductive metal sleeve 210 are coated with an insulating varnish layer.
[0048] Preferably, the silver layer on the inner wall of the conductive metal sleeve 210 can accelerate heat dissipation and, in conjunction with multiple semiconductor cooling components 260, rapidly cool the air. At the same time, the heat dissipation holes 230 can guide the airflow that forms convection. Example 3
[0049] Combination Figure 5 As shown, in the above embodiment, the mechanical damage reduction mechanism 300 further includes a sleeve 370 disposed in the permanent magnet ring 390. The sleeve 370 has an annular groove adapted to clamp the permanent magnet ring 390 on its outer side, and two pins 380 symmetrically distributed at both ends of the sleeve 370.
[0050] The pin 380 is fitted through the pre-installed hole 130.
[0051] Preferably, there are four pins 380, two of which are fixed to one end of the rotor 120 shaft with a sleeve 370, and the other two pins 380 are fixed to the other end of the rotor 120 with another sleeve 370. At this time, the two symmetrically distributed permanent magnet rings 390 can rotate with low resistance in a suspended state.
[0052] Two symmetrically distributed anti-compression pads 340 are provided at both ends of the permanent magnet sheet 330. A support plate 350 is provided in the groove on the inner side of the anti-compression pad 340. Multiple balls 360 are movably installed in the gap between the anti-compression pad 340 and the support plate 350.
[0053] Multiple ball bearings 360° are fitted to the end face of the permanent magnet ring 390;
[0054] The interior of the tray 350 has evenly distributed circular slots;
[0055] The pressure-resistant pad 340 has a spherical recess that is adapted to match the circular groove.
[0056] Preferably, the two pressure-resistant pads 340 and the two support plates 350 disposed at both ends of the permanent magnet sheet 330 are used to provide limiting protection for the two end faces of the permanent magnet ring 390, while the multiple balls 360 disposed in the gap between the pressure-resistant pads 340 and the support plates 350 can provide low-friction rotation assistance for the rotation of the permanent magnet ring 390.
[0057] The working principle and usage process of this utility model are as follows: The stator 110 is installed in the inner cavity of the conductive metal sleeve 210 in advance, and the first washer 240 and the second washer 250 are respectively inserted from the ports at both ends of the conductive metal sleeve 210 until the first washer 240 and the second washer 250 are attached to the end faces at both ends of the stator 110. Then, multiple reinforcing outer washers 310 are fixedly installed on both ends of the stator 110 by multiple bolts. At this time, the multiple reinforcing outer washers 310 arranged at both ends of the conductive metal sleeve 210 and distributed in a circular pattern will limit and press the first washer 240 and the second washer 250 respectively.
[0058] When the rotor 120 is rotating, the two sleeves 370 set on the shafts at both ends of the rotor 120 will drive the two permanent magnet rings 390 to rotate at the same speed. At this time, one permanent magnet ring 390 is located in the gap of six permanent magnet plates 330, and the other permanent magnet ring 390 is located in the gap of another six permanent magnet plates 330. At this time, the two permanent magnet rings 390 will be suspended at the center of the multiple permanent magnet plates 330.
[0059] In order to ensure the stability of the rotor 120 rotation, two pressure-resistant pads 340, two support plates 350 and multiple balls 360 are symmetrically distributed at both ends of the permanent magnet plate 330. At this time, the permanent magnet ring 390 can be in a stable state when rotating in a suspended state, thereby reducing the loss of mechanical energy.
[0060] When the stator 110 is in a high temperature state, the conductive metal sleeve 210 and multiple sets of semiconductor cooling components 260 set outside the stator 110 can conduct and release the high temperature generated during the operation of the motor load, thereby effectively reducing the energy loss caused by the temperature rise of the stator 110.
[0061] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. An energy-saving motor stator and rotor assembly, comprising a motor assembly (100), characterized in that, It also includes a unit loss reduction mechanism (200) disposed outside the motor assembly (100) and two sets of mechanical loss reduction mechanisms (300) disposed on the unit loss reduction mechanism (200). The unit loss reduction mechanism (200) includes a conductive metal sleeve (210), the conductive metal sleeve (210) has uniformly distributed heat dissipation holes (230) inside, multiple sets of semiconductor cooling elements (260) are disposed inside the conductive metal sleeve (210) and evenly distributed, and wires (270) are connected to two adjacent semiconductor cooling elements (260). The mechanical damage reduction mechanism (300) includes multiple reinforcing outer pads (310) disposed at both ends of the conductive metal sleeve (210) and permanent magnet sheets (330) disposed at the outer ends of the reinforcing outer pads (310). A permanent magnet ring (390) is provided in each of the six adjacent permanent magnet sheets (330).
2. The energy-saving motor stator and rotor assembly according to claim 1, characterized in that, The permanent magnet sheet (330) has two symmetrically distributed anti-pressure pads (340) at both ends. A support plate (350) is provided in the groove on the inner side of the anti-pressure pad (340). Multiple balls (360) are movably installed in the gap between the anti-pressure pad (340) and the support plate (350). Multiple balls (360) are fitted to the end face of the permanent magnet ring (390); The reinforcing outer pad (310) has a second slot (320) inside.
3. The energy-saving motor stator and rotor assembly according to claim 1, characterized in that, The unit loss reduction mechanism (200) further includes a first washer (240) disposed in the cavity at one end of the conductive metal sleeve (210) and a second washer (250) disposed in the cavity at the other end of the conductive metal sleeve (210). The first washer (240) and the second washer (250) are both made of stainless steel. The inner wall of the conductive metal sleeve (210) is coated with a silver layer.
4. The energy-saving motor stator and rotor assembly according to claim 1, characterized in that, The motor assembly (100) includes a stator (110) disposed in the inner cavity of the conductive metal sleeve (210) and fitted and constrained by a first washer (240) and a second washer (250), and a rotor (120) is disposed inside the stator (110). The rotor (120) has four pre-installed holes (130) at both ends of the inner shaft.
5. The energy-saving motor stator and rotor assembly according to claim 1, characterized in that, The outer walls of both ends of the conductive metal sleeve (210) are provided with a plurality of evenly distributed first slots (220), and the outer walls of the conductive metal sleeve (210) are coated with an insulating varnish layer.
6. The energy-saving motor stator and rotor assembly according to claim 1, characterized in that, The mechanical damage reduction mechanism (300) further includes a sleeve (370) disposed inside the permanent magnet ring (390). The sleeve (370) has an annular groove on its outside adapted to clamp the permanent magnet ring (390), and two pins (380) are symmetrically distributed at both ends of the sleeve (370). The pin (380) is adapted to penetrate into the interior of the pre-installed hole (130).
7. The energy-saving motor stator and rotor assembly according to claim 2, characterized in that, The tray (350) has evenly distributed circular slots inside; The pressure-resistant pad (340) has a spherical recess that is adapted to match the circular groove.