Electromagnetic vibration generator convenient to fix

By designing staggered crank wheels in the electromagnetic vibration generator and using gravity to rotate them downwards, the problem of low power generation efficiency under small vibrations in the existing technology is solved, and efficient and precise power generation is achieved.

CN222381463UActive Publication Date: 2025-01-21CHONGQING XINJINAO ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202323414306.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-14
Publication Date
2025-01-21
Estimated Expiration
2033-12-14

AI Technical Summary

Technical Problem

When existing electromagnetic vibration generators are subject to small vibrations, the vibration shaft cannot move, resulting in low power generation efficiency and low practicality.

Method used

An electromagnetic vibration generator including a stator, a rotor, a rotating shaft, a first crankwheel, a second crankwheel, a third crankwheel and a fourth crankwheel is designed. By arranging staggered crankwheels and deflecting them at a certain angle during installation, gravity is used to rotate the crankwheels downwards, thereby causing the rotor to move in the magnetic field of the stator when vibrating, generating current.

Benefits of technology

It is possible to effectively generate electricity even when subjected to minor vibrations, thereby improving power generation efficiency and accuracy. At the same time, the motor has a simple structure and is easy to fix.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222381463U_ABST
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Abstract

The utility model discloses an electromagnetic vibration generator convenient to fix, which comprises protective shells, a main machine body, a stator and a rotor, the protective shells are fixed at two ends outside the main machine body through bolts, the stator is fixed inside the main machine body, the rotor is movably arranged inside the stator, a rotating shaft is fixed at the center position inside the rotor, and the rotating shaft is fixed at the center position inside the main machine body. One end of the outer part of the rotating shaft is connected with a second curved wheel, the outer part of the rotating shaft is also fixedly provided with two groups of first curved wheels, the first curved wheels and the second curved wheels are arranged in a staggered manner, and the other end of the outer part of the rotating shaft is connected with a third curved wheel and a fourth curved wheel; after the motor is vibrated, the rotor can rotate in a reciprocating manner, so that after the rotor moves in a magnetic field in the stator, current can be generated, the purpose of power generation is achieved, the motor is simple in structure and high in power generation efficiency, and meanwhile, the motor can still generate power when being vibrated slightly.
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Description

Technical Field

[0001] The utility model relates to the technical field of generators, in particular to an electromagnetic vibration generator which is easy to fix. Background Art

[0002] A generator is a mechanical device that converts mechanical energy into electrical energy. It is driven by a turbine, steam turbine, diesel engine or other power machinery, and converts the energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits it to the generator, which then converts it into electrical energy. A vibration generator is a device that uses the principle of electromagnetic induction to convert vibration mechanical energy into electrical energy.

[0003] The existing vibration generator, as described in the patent with announcement number CN103607092A, has a main structure of an axisymmetric cubic structure, a hollow cylindrical hub is installed on the upper part of the generator chassis, and a spring is placed in the hollow part at the bottom of the hub; a lower flange bearing with the same inner diameter is installed on the top of the hub, and the lower flange bearing is connected and fixed to the chassis by supporting bolts, and the lower part of the vibration shaft passes through the lower flange bearing and contacts with the spring in the hub; the vibration shaft is a symmetrical columnar structure with a depression in the middle, and the depression in the middle is evenly provided with three through holes from top to bottom, each through hole is embedded with a cylindrical permanent magnet, and the three cylindrical permanent magnets are arranged in sequence out of phase; the lower end of the vibration shaft passes through the lower fixture and the lower flange bearing, and the upper end of the vibration shaft passes through the upper fixture and the upper flange bearing, and is higher than the upper flange bearing; a lower fixture is installed on the upper end of the lower flange bearing, and through holes are respectively opened on the front and rear end surfaces of the fixture, and yoke screws pass through the through holes to fix the fixture to two E-type yokes; the two E-type yokes are respectively It is installed on the left and right sides of the concave part in the middle of the vibration shaft, and the centers of the three rectangular end faces of the E-type yoke are respectively aligned with the centers of the circular faces of the three permanent magnets in the vibration shaft, and an equidistant air gap is left between the rectangular end face part of each E-type yoke and the circular faces of the three permanent magnets in the vibration shaft; a coil is wound around the part between the end faces of each yoke, and the four coil parts are connected in series end to end; the upper part of each E-type yoke is also clamped and fixed by the upper clamp through the yoke screw, and the top of the upper clamp is connected to the upper flange bearing through the fixing screw; the upper flange bearing has the same structure as the lower flange bearing, and the position is symmetrical relative to the E-type yoke; the upper clamp and the lower clamp have exactly the same structure, and the position is symmetrical relative to the E-type yoke. When in use, the permanent magnet moves on the yoke by moving the vibration shaft up and down, thereby generating electricity. However, if it is subjected to a small vibration, the vibration shaft cannot move, so that the power generation efficiency of this structure is not high and the practicality is not strong. Utility Model Content

[0004] The utility model aims to provide an electromagnetic vibration generator to solve the problem in the prior art that when subjected to a small vibration, the vibration shaft cannot move, resulting in low power generation efficiency and poor practicality of the structure.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electromagnetic vibration generator that is easy to fix, comprising a protective shell, a main body, a stator and a rotor, the protective shell is fixed to the two ends of the outside of the main body by bolts, the stator is fixed inside the main body, the rotor is movably arranged inside the stator, a rotating shaft is fixed at the center position inside the rotor, one end of the outside of the rotating shaft is connected to a second crankshaft, a first crankshaft is also fixed to the outside of the rotating shaft, the first crankshaft and the second crankshaft are arranged in two groups, and the first crankshaft and the second crankshaft are arranged alternately, the other end of the outside of the rotating shaft is connected to a third crankshaft and a fourth crankshaft, the third crankshaft and the fourth crankshaft are arranged in two groups, and the third crankshaft and the fourth crankshaft are arranged alternately.

[0006] Preferably, an electric control box is arranged on the top of the main body, and a base is welded on the bottom of the main body.

[0007] Preferably, threaded holes are provided on the base, and four groups of threaded holes are provided on the base, and the threaded holes are symmetrical about the center position of the base.

[0008] Preferably, a fixing screw is screwed inside the threaded hole, a tightening spring is sleeved near the top of the fixing screw, and the bottom of the tightening spring is pressed against the top of the base.

[0009] Preferably, the fixing screw passes through the threaded hole and is screwed with a fixing nut, and a limiting nut is screwed onto the top of the fixing screw near the fixing nut.

[0010] Preferably, a limiting plate and a pressing plate are provided at the bottom of the base, and through slots are provided in the pressing plate and the limiting plate, and the fixing screw passes through the through slot and is extended and taken out.

[0011] Preferably, the pressing plate and the limiting plate constitute a clamping structure.

[0012] Preferably, four groups of pressing plates, limiting plates and fixing screws are arranged on the base, and the pressing plates, limiting plates and fixing screws are symmetrical about the center position of the base.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the electromagnetic vibration generator which is easy to fix has a reasonable structure and has the following advantages:

[0014] (1) By providing a stator, a rotor, a rotating shaft, a first crankshaft, a second crankshaft, a third crankshaft and a fourth crankshaft, the motor has a simple structure and high power generation efficiency. The motor can still generate power with high precision even when subjected to slight vibrations. Therefore, by providing the first crankshaft and the second crankshaft on the outside of the rotor, the first crankshaft and the second crankshaft are arranged alternately, and the first crankshaft and the second crankshaft are offset by a certain angle when installed. Similarly, the fourth crankshaft and the third crankshaft are also offset by a certain angle when installed. At the same time, there is a certain angle between the first crankshaft and the second crankshaft and the third crankshaft and the fourth crankshaft, so that the first crankshaft, the second crankshaft, the third crankshaft and the fourth crankshaft have a tendency to rotate downward under the influence of gravity. When the motor is vibrated, the rotor will rotate back and forth. When the rotor moves in the magnetic field of the stator, current will be generated to achieve the purpose of power generation. The motor has a simple structure and high power generation efficiency. At the same time, the motor can still generate power even when subjected to slight vibrations.

[0015] (2) The motor can be easily fixed by providing a pressure plate, a limit plate and a fixing screw. Therefore, when in use, the pressure plate and the limit plate are provided, the limit plate and the fixing screw are clamped to the installation position of the equipment, and then the pressure plate and the limit plate are fixed by the fixing screw, the fixing nut and the limit nut. The fixing nut and the limit nut can prevent the nut from loosening, and the tightening spring can also prevent the fixing screw from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view explosion structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the explosion structure of the utility model from a side view;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the utility model from a top view;

[0019] Figure 4 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0020] Figure 5 It is a side view stereoscopic structural schematic diagram of the utility model.

[0021] In the figure: 1. protective shell; 2. base; 3. main body; 4. electric control box; 5. threaded hole; 6. stator; 7. rotor; 8. rotating shaft; 9. first crankshaft; 10. second crankshaft; 11. third crankshaft; 12. fourth crankshaft; 13. pressure plate; 14. limit plate; 15. fixing screw; 16. fixing nut; 17. tightening spring; 18. limit nut; 19. through groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in the field without creative work based on the embodiments of the utility model shall fall within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides an embodiment: an electromagnetic vibration generator that is easy to fix, including a protective shell 1, a main body 3, a stator 6 and a rotor 7. The protective shell 1 is fixed to the two ends of the main body 3 by bolts, the stator 6 is fixed inside the main body 3, the rotor 7 is movably arranged inside the stator 6, a rotating shaft 8 is fixed at the center position inside the rotor 7, one end of the outside of the rotating shaft 8 is connected to a second crank 10, and a first crank 9 is also fixed to the outside of the rotating shaft 8. The first crank 9 and the second crank 10 are arranged in two groups, and the first crank 9 and the second crank 10 are staggered. The other end of the rotating shaft 8 is connected to the second crank 10. Three crank wheels 11 and a fourth crank wheel 12, the third crank wheel 11 and the fourth crank wheel 12 are provided in two groups, the third crank wheel 11 and the fourth crank wheel 12 are arranged alternately, the first crank wheel 9 and the second crank wheel 10 are arranged alternately, and the first crank wheel 9 and the second crank wheel 10 are offset at a certain angle when installed, and similarly, the fourth crank wheel 12 and the third crank wheel 11 are also offset at a certain angle when installed, and at the same time, there is a certain angle between the first crank wheel 9 and the second crank wheel 10 and the third crank wheel 11 and the fourth crank wheel 12, so that the first crank wheel 9, the second crank wheel 10, the third crank wheel 11 and the fourth crank wheel 12 have a tendency to rotate downward under the influence of gravity;

[0024] When the motor is vibrated, the rotor 7 will reciprocate, so that when the rotor 7 moves in the magnetic field of the stator 6, current will be generated to achieve the purpose of power generation. The motor has a simple structure and high power generation efficiency. At the same time, the motor can still generate electricity when it is subjected to slight vibration.

[0025] An electric control box 4 is arranged on the top of the main body 3, a base 2 is welded on the bottom of the main body 3, threaded holes 5 are opened on the base 2, four groups of threaded holes 5 are arranged on the base 2, and the threaded holes 5 are symmetrical about the center position of the base 2;

[0026] A fixing screw 15 is screwed inside the threaded hole 5, a tightening spring 17 is sleeved near the top of the fixing screw 15, the bottom of the tightening spring 17 is pressed on the top of the base 2, the fixing screw 15 passes through the threaded hole 5 and is screwed with a fixing nut 16, and a limiting nut 18 is screwed on the fixing screw 15 near the top of the fixing nut 16;

[0027] A limiting plate 14 and a pressing plate 13 are provided at the bottom of the base 2. A through slot 19 is provided in both the pressing plate 13 and the limiting plate 14. The fixing screw 15 passes through the through slot 19 and is extended and taken out. The pressing plate 13 and the limiting plate 14 form a clamping structure. Four groups of the pressing plate 13, the limiting plate 14 and the fixing screw 15 are provided on the base 2. The pressing plate 13, the limiting plate 14 and the fixing screw 15 are symmetrical about the center position of the base 2.

[0028] By providing a pressing plate 13 and a limiting plate 14, the limiting plate 14 and the fixing screw 15 are clamped to the installation position of the device, and then the pressing plate 13 and the limiting plate 14 are fixed by the fixing screw 15, the fixing nut 16 and the limiting nut 18, and the fixing nut 16 and the limiting nut 18 can prevent the nut from loosening, and the tightening spring 17 can also prevent the fixing screw 15 from loosening;

[0029] When the embodiment of the present application is in use, the device is installed at a suitable position on the machine, and then a pressure plate 13 and a limit plate 14 are provided, and the limit plate 14 and the fixing screw 15 are clamped to the installation position of the device, and then the pressure plate 13 and the limit plate 14 are fixed by the fixing screw 15, the fixing nut 16 and the limit nut 18, and the fixing nut 16 and the limit nut 18 can prevent the nut from loosening, and the tightening spring 17 can also prevent the fixing screw 15 from loosening, and then a first crankshaft 9 and a second crankshaft 10 are provided on the outside of the rotor 7, and the first crankshaft 9 and the second crankshaft 10 are arranged alternately, and the first crankshaft 9 The second crankshaft 10 is installed with an offset angle. Similarly, the fourth crankshaft 12 and the third crankshaft 11 are also installed with an offset angle. At the same time, a certain angle is formed between the first crankshaft 9 and the second crankshaft 10 and the third crankshaft 11 and the fourth crankshaft 12. As a result, the first crankshaft 9, the second crankshaft 10, the third crankshaft 11 and the fourth crankshaft 12 tend to rotate downward under the influence of gravity. When the motor is vibrated, the rotor 7 will rotate back and forth. When the rotor 7 moves in the magnetic field of the stator 6, current will be generated to achieve the purpose of power generation. The motor has a simple structure and high power generation efficiency. At the same time, the motor can still generate electricity when subjected to slight vibrations.

Claims

1. An electromagnetic vibration generator that is easy to fix, characterized in that: The invention comprises a protective shell (1), a main body (3), a stator (6) and a rotor (7), wherein the protective shell (1) is fixed to both ends of the main body (3) by bolts, the stator (6) is fixed inside the main body (3), the rotor (7) is movably arranged inside the stator (6), a rotating shaft (8) is fixed at the central position inside the rotor (7), one end of the rotating shaft (8) is connected to a second crankshaft (10), a first crankshaft (9) is also fixed to the outside of the rotating shaft (8), two groups of the first crankshaft (9) and the second crankshaft (10) are arranged alternately, and the other end of the rotating shaft (8) is connected to a third crankshaft (11) and a fourth crankshaft (12), two groups of the third crankshaft (11) and the fourth crankshaft (12) are arranged alternately.

2. The electromagnetic vibration generator that is easy to fix according to claim 1 is characterized in that: An electric control box (4) is arranged on the top of the main body (3), and a base (2) is welded to the bottom of the main body (3).

3. The electromagnetic vibration generator that is easy to fix according to claim 2 is characterized in that: The base (2) is provided with threaded holes (5), and four groups of threaded holes (5) are arranged on the base (2). The threaded holes (5) are symmetrical about the center position of the base (2).

4. The electromagnetic vibration generator that is easy to fix according to claim 3 is characterized in that: A fixing screw (15) is screwed into the threaded hole (5), a tightening spring (17) is sleeved on a position near the top of the fixing screw (15), and the bottom of the tightening spring (17) is pressed against the top of the base (2).

5. The electromagnetic vibration generator that is easy to fix according to claim 4 is characterized in that: The fixing screw (15) passes through the threaded hole (5) and is screwed with a fixing nut (16). A limiting nut (18) is screwed onto the fixing screw (15) near the top of the fixing nut (16).

6. The electromagnetic vibration generator that is easy to fix according to claim 5, characterized in that: A limiting plate (14) and a pressing plate (13) are provided at the bottom of the base (2), and a through slot (19) is provided in both the pressing plate (13) and the limiting plate (14), and the fixing screw (15) passes through the through slot (19) and is extended and taken out.

7. The electromagnetic vibration generator that is easy to fix according to claim 6 is characterized in that: The pressing plate (13) and the limiting plate (14) form a clamping structure.

8. The electromagnetic vibration generator that is easy to fix according to claim 6, characterized in that: Four groups of the pressing plates (13), the limiting plates (14) and the fixing screws (15) are arranged on the base (2), and the pressing plates (13), the limiting plates (14) and the fixing screws (15) are symmetrical about the central position of the base (2).

Citation Information

Patent Citations

  • Electromagnetic type vibration generator

    CN103607092A