Ultralow-voltage alternating-current permanent magnet generator
By designing the installation mechanism and extension mechanism in an ultra-low voltage AC permanent magnet generator, the problem of loosening and falling off the generator after long-term use is solved, achieving higher usage efficiency and maintenance convenience.
Patent Information
- Application Number
- CN202420337660.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-02-22
AI Technical Summary
Existing ultra-low voltage AC permanent magnet generators are prone to loosening and falling off after long-term use, resulting in reinstallation, which is time-consuming and labor-intensive and affects the effectiveness of use.
An ultra-low voltage AC permanent magnet generator is designed including a mounting mechanism and an extension mechanism. The installation mechanism drives the fixing ring to move through the slide groove and the slide, and uses the limiting rod and limiting groove to fix the fixing ring to prevent loosening and falling off. The extension mechanism drives the extension shaft to move through the slide rail and pulley, and uses a spring and a moving rod to fix the length of the extension shaft.
It effectively avoids the problem of ultra-low voltage AC permanent magnet generator loosening and falling off after long-term use, simplifies the installation process, improves usage efficiency and reduces maintenance costs.
Smart Images

Figure CN222508955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of AC permanent magnet generators, in particular to an ultra-low voltage AC permanent magnet generator. Background Art
[0002] AC permanent magnet generators are basically of voltage 200V or above. If a lower voltage is required, a step-down transformer must be added. This method increases costs and reduces efficiency; so a motor with a power of 11kW, a rated AC voltage of 28V, a rated AC current of 255A, a rated speed of 1500rpm, a frequency of 50Hz, and an efficiency of 94.3% was invented. The stator is a double-layer loose winding, and the rotor is a built-in permanent magnet structure.
[0003] After searching, the existing patent (publication number: CN213937568U) discloses a generator rotor and a generator. The generator rotor includes a rotor winding, and the rotor winding adopts an aluminum winding, and the aluminum winding is divided into three-phase aluminum windings, and each phase of the aluminum winding has an extended aluminum lead, and the aluminum lead of each phase of the aluminum winding is connected to the corresponding copper lead of the generator through a copper-aluminum transfer bar; wherein the copper-aluminum transfer bar includes an aluminum joint and a copper joint fixedly connected to the aluminum joint, and the aluminum joint is fixedly connected to the aluminum lead, and the copper joint is fixedly connected to the corresponding copper lead of the generator. The utility model adopts an aluminum winding to achieve a significant reduction in cost and reduce the weight of the whole machine; and the aluminum winding is connected to other copper parts of the generator by setting a copper-aluminum transfer bar, which is convenient for connection.
[0004] However, during the operation of the existing ultra-low voltage AC permanent magnet generator, after long-term use, the permanent magnet generator is prone to loosening, and then the permanent magnet generator is prone to fall off, resulting in the need to reinstall the permanent magnet generator, which is time-consuming and labor-intensive, and also greatly reduces the use effect of the permanent magnet generator.
[0005] Therefore, in order to solve the above problems, an ultra-low voltage AC permanent magnet generator is proposed. Utility Model Content
[0006] 1. Technical issues to be solved
[0007] In view of the deficiencies in the prior art, the utility model provides an ultra-low voltage AC permanent magnet generator, which solves the problem mentioned in the above background technology that during the operation of the existing ultra-low voltage AC permanent magnet generator, after long-term use of the ultra-low voltage AC permanent magnet generator, the permanent magnet generator is prone to loosening, and then the permanent magnet generator is prone to falling off, resulting in the need to reinstall the permanent magnet generator, which is time-consuming and labor-intensive, and also greatly reduces the use effect of the permanent magnet generator.
[0008] (II) Technical solution
[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultra-low voltage AC permanent magnet generator, comprising a body, a mounting mechanism is arranged on one side of the body, the mounting mechanism comprises a rotor, the rotor is arranged on one side of the body, a fixing ring is sleeved on the outside of the rotor, an extension mechanism is arranged on one side of the body, a heat dissipation mechanism is arranged on the surface of the body, a stator is arranged inside the body, the stator is a double-layer loose-embedded winding, and the rotor is a built-in permanent magnet structure.
[0010] As a preferred solution, a slide groove is provided on the surface of the rotor, a slider is provided inside the slide groove, and a fixing ring is provided on the surface of the slider.
[0011] As a preferred solution, a limiting groove is provided on the surface of the fixing ring, a limiting rod is arranged inside the limiting groove, and an outer diameter of the limiting rod matches an inner diameter of the limiting groove.
[0012] As a preferred solution, a protective pad is provided on the inner side of the fixing ring, and fixing bolts are provided on the surface of the protective pad.
[0013] As a preferred solution, the extension mechanism comprises a slide rail, the slide rail is opened on the inner side of the rotor, a pulley is arranged on the inner side of the slide rail, and an extension shaft is arranged on the surface of the pulley.
[0014] As a preferred solution, a spring is arranged on the surface of the extension shaft, and a movable rod is arranged on one side of the spring.
[0015] As a preferred solution, a movable groove is provided on one side of the movable rod, and the inner diameter of the movable groove matches the outer diameter of the movable rod.
[0016] As a preferred embodiment, the heat dissipation mechanism includes a thread groove, which is opened on the surface of the body. A threaded rod is arranged inside the thread groove. The outer diameter of the threaded rod matches the inner diameter of the thread groove. A heat sink is arranged on one side of the threaded rod.
[0017] The utility model provides an ultra-low voltage AC permanent magnet generator. It has the following beneficial effects:
[0018] (1) The ultra-low voltage AC permanent magnet generator is provided with an installation mechanism. When the ultra-low voltage AC permanent magnet generator is in operation, the fixing ring can be pulled first. Under the action of the slide groove and the slider, the fixing ring can be driven to move by the slide groove and the slider, and then the fixing ring can be used to conveniently install the body. The limiting rod is inserted into the inner side of the limiting groove. Under the action of the limiting groove and the limiting rod, the fixing ring can be fixed to prevent the permanent magnet generator from loosening easily after long-term use of the ultra-low voltage AC permanent magnet generator, and then the permanent magnet generator is easy to fall off. At the same time, under the action of the protective pad, the protective pad can be used to play a protective effect when the body is installed.
[0019] (2) The ultra-low voltage AC permanent magnet generator is provided with an extension mechanism. During the operation of the ultra-low voltage AC permanent magnet generator, the extension shaft can be pulled first, and the extension shaft can be moved by the slide rail and the pulley, so that the extension shaft can be extended conveniently. Under the action of the telescopic reset function of the spring, the spring can be used to drive the movable rod into the inner side of the movable groove, so that the length of the extension shaft can be fixed conveniently. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the installation mechanism structure of the utility model;
[0022] Figure 3 This is a schematic diagram of the extension mechanism structure of the utility model;
[0023] Figure 4 This is a schematic diagram of the heat dissipation mechanism structure of the utility model;
[0024] Figure 5 This is a schematic diagram of the cross-sectional structure of the utility model;
[0025] Figure 6 This is a schematic diagram of the stator structure of the utility model.
[0026] Among them: 1. body; 2. installation mechanism; 201. rotor; 202. slide groove; 203. slider; 204. fixing ring; 205. limit groove; 206. limit rod; 207. protective pad; 208. fixing bolt; 3. extension mechanism; 301. slide rail; 302. pulley; 303. extension shaft; 304. spring; 305. movable rod; 306. movable groove; 4. heat dissipation mechanism; 401. threaded groove; 402. threaded rod; 403. heat sink, 5. stator. DETAILED DESCRIPTION
[0027] 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.
[0028] See also Figure 1 and Figure 4 The utility model provides a technical solution: an ultra-low voltage AC permanent magnet generator, including a body 1, a mounting mechanism 2 is arranged on one side of the body 1, an extension mechanism 3 is arranged on one side of the body 1, a heat dissipation mechanism 4 is arranged on the surface of the body 1, the heat dissipation mechanism 4 includes a threaded groove 401, the threaded groove 401 is opened on the surface of the body 1, a threaded rod 402 is arranged on the inner side of the threaded groove 401, the outer diameter of the threaded rod 402 matches the inner diameter of the threaded groove 401, a heat sink 403 is arranged on one side of the threaded rod 402, a stator 5 is arranged inside the body 1, the stator 5 is a double-layer loose-embedded winding, end covers are arranged at both ends of the stator 5, a fan and a wind cover are also connected to the body on the side away from the extension mechanism 3, and the rotor 201 is a built-in permanent magnet structure.
[0029] Among them: during the operation of the ultra-low voltage AC permanent magnet generator, by providing a mounting mechanism 2, it can be avoided that during the operation, after the ultra-low voltage AC permanent magnet generator has been used for a long time, the permanent magnet generator is prone to loosening, and then the permanent magnet generator is prone to falling off, resulting in the need to reinstall the permanent magnet generator, which is time-consuming and labor-intensive, and also greatly reduces the use effect of the permanent magnet generator.
[0030] See also Figure 2 , an ultra-low voltage AC permanent magnet generator, the mounting mechanism 2 includes a rotor 201, the rotor 201 is arranged on one side of the body 1, a fixing ring 204 is sleeved on the outside of the rotor 201, a slide groove 202 is provided on the surface of the rotor 201, a slider 203 is provided on the inner side of the slide groove 202, a fixing ring 204 is provided on the surface of the slider 203, a limiting groove 205 is provided on the surface of the fixing ring 204, a limiting rod 206 is provided on the inner side of the limiting groove 205, the outer diameter of the limiting rod 206 matches the inner diameter of the limiting groove 205, a protective pad 207 is provided on the inner side of the fixing ring 204, and a fixing bolt 208 is provided on the surface of the protective pad 207.
[0031] Among them: during the operation of the ultra-low voltage AC permanent magnet generator, the fixing ring 204 can be pulled first, and under the action of the slide groove 202 and the slider 203, the slide groove 202 and the slider 203 can be used to drive the fixing ring 204 to move, and then the fixing ring 204 can be used to conveniently install the body 1, and the limiting rod 206 is inserted into the inner side of the limiting groove 205, and under the action of the limiting groove 205 and the limiting rod 206, the fixing ring 204 can be fixed to prevent the permanent magnet generator from loosening easily after the ultra-low voltage AC permanent magnet generator is used for a long time, and then the permanent magnet generator is easy to fall off, and at the same time, under the action of the protective pad 207, the protective pad 207 can be used to protect the body 1 when it is installed.
[0032] See also Figure 3 , an ultra-low voltage AC permanent magnet generator, the extension mechanism 3 includes a slide rail 301, the slide rail 301 is opened on the inner side of the rotor 201, a pulley 302 is arranged on the inner side of the slide rail 301, an extension shaft 303 is arranged on the surface of the pulley 302, a spring 304 is arranged on the surface of the extension shaft 303, a movable rod 305 is arranged on one side of the spring 304, a movable groove 306 is arranged on one side of the movable rod 305, and the inner diameter size of the movable groove 306 matches the outer diameter size of the movable rod 305.
[0033] Among them: when the ultra-low voltage AC permanent magnet generator is in operation, the extension shaft 303 can be pulled first, and under the action of the slide rail 301 and the pulley 302, the extension shaft 303 can be driven to move by the slide rail 301 and the pulley 302, so that the extension shaft 303 can be conveniently extended, and under the telescopic reset action of the spring 304, the spring 304 can be used to drive the movable rod 305 into the inner side of the movable groove 306, so that the length of the extension shaft 303 can be conveniently fixed.
[0034] The working principle of the utility model is as follows: when the ultra-low voltage AC permanent magnet generator is in operation, the fixing ring 204 can be pulled first, and under the action of the slide groove 202 and the slider 203, the fixing ring 204 can be driven to move by the slide groove 202 and the slider 203, and then the fixing ring 204 can be used to conveniently install the machine body 1, and the limiting rod 206 is inserted into the inner side of the limiting groove 205, and under the action of the limiting groove 205 and the limiting rod 206, the fixing ring 204 can be fixed, so as to avoid the permanent magnet generator from being easily loosened after the ultra-low voltage AC permanent magnet generator is used for a long time, and the permanent magnet generator is easily loosened. It is easy to fall off. At the same time, under the action of the protective pad 207, the protective pad 207 can be used to protect the body 1 when it is installed. Secondly, when the ultra-low voltage AC permanent magnet generator is in use, the extension shaft 303 can be pulled first, and under the action of the slide rail 301 and the pulley 302, the extension shaft 303 can be driven to move by the slide rail 301 and the pulley 302, so that the extension shaft 303 can be easily extended, and under the telescopic reset action of the spring 304, the spring 304 is used to drive the movable rod 305 to enter the inner side of the movable groove 306, so that the length of the extension shaft 303 can be conveniently fixed.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An ultra-low voltage AC permanent magnet generator, comprising a body (1), characterized in that: A mounting mechanism (2) is provided on one side of the machine body (1), the mounting mechanism (2) comprising a rotor (201), the rotor (201) being provided on one side of the machine body (1), a fixing ring (204) being sleeved on the outside of the rotor (201), an extension mechanism (3) being provided on one side of the machine body (1), a heat dissipation mechanism (4) being provided on the surface of the machine body (1), a stator (5) being provided inside the machine body (1), the stator (5) being a double-layer loose-embedded winding, and the rotor (201) being a built-in permanent magnet structure.
2. The ultra-low voltage AC permanent magnet generator according to claim 1, characterized in that: A sliding groove (202) is provided on the surface of the rotor (201), a sliding block (203) is provided inside the sliding groove (202), and a fixing ring (204) is provided on the surface of the sliding block (203).
3. The ultra-low voltage AC permanent magnet generator according to claim 2, characterized in that: A limiting groove (205) is provided on the surface of the fixing ring (204), a limiting rod (206) is arranged inside the limiting groove (205), and the outer diameter of the limiting rod (206) matches the inner diameter of the limiting groove (205).
4. The ultra-low voltage AC permanent magnet generator according to claim 3, characterized in that: A protective pad (207) is arranged inside the fixing ring (204), and a fixing bolt (208) is arranged on the surface of the protective pad (207).
5. The ultra-low voltage AC permanent magnet generator according to claim 1, characterized in that: The extension mechanism (3) comprises a slide rail (301), the slide rail (301) is opened on the inner side of the rotor (201), a pulley (302) is arranged on the inner side of the slide rail (301), and an extension shaft (303) is arranged on the surface of the pulley (302).
6. The ultra-low voltage AC permanent magnet generator according to claim 5, characterized in that: A spring (304) is arranged on the surface of the extension shaft (303), and a movable rod (305) is arranged on one side of the spring (304).
7. The ultra-low voltage AC permanent magnet generator according to claim 6, characterized in that: A movable groove (306) is formed on one side of the movable rod (305), and the inner diameter of the movable groove (306) matches the outer diameter of the movable rod (305).
8. The ultra-low voltage AC permanent magnet generator according to claim 1, characterized in that: The heat dissipation mechanism (4) comprises a thread groove (401), the thread groove (401) being provided on the surface of the machine body (1), a threaded rod (402) being provided inside the thread groove (401), the outer diameter of the threaded rod (402) matching the inner diameter of the thread groove (401), and a heat dissipation fin (403) being provided on one side of the threaded rod (402).
Citation Information
Patent Citations
Generator rotor and generator
CN213937568U