Composite flywheel device based on online curing and winding

Abstract

The utility model relates to the technical field of flywheel devices, and discloses a composite flywheel device based on online curing winding, which comprises a supporting bottom plate, a protective shell is welded at the top end of the supporting bottom plate, and a vertical plate is fixedly connected to the surface of the protective shell; the device is characterized in that the bottom end of the inner wall of the protective shell is fixedly connected with a bottom end supporting block, the top end of the inner wall of the protective shell is fixedly connected with a top end supporting block, the top of the bottom end supporting block is fixedly connected with a first radial magnetic suspension bearing, and the bottom of the top end supporting block is fixedly connected with a second radial magnetic suspension bearing. The arrangement of the overall composite material of the equipment is the only way for improving the energy and the power density of the flywheel, the power density and the energy density of the flywheel energy storage device can be improved at the same time through the pre-stress composite material winding laser in-situ curing technology, the technology is the core technology for manufacturing the flywheel, the surface linear speed of a flywheel motor rotor reaches 250m / s, and the energy density of the flywheel is improved. And the surface linear speed of the flywheel body reaches 750m / s.

Description

Technical Field

[0001] The utility model relates to the technical field of flywheel devices, in particular to a composite flywheel device based on online curing winding. Background Art

[0002] A flywheel is an energy storage element widely used in the mechanical field. Its main function is to store and release energy. A flywheel is usually composed of a disc with a large moment of inertia. It can effectively reduce speed fluctuations during mechanical operation and provide additional power when needed. Flywheels have unique advantages in different application scenarios. For example, flywheels can play an important role in the fields of automobiles, power systems, mechanical engineering, etc.

[0003] Comparative Publication No. 202023045214.0 A flywheel clamping device comprises a base, a support frame connected to the base, and a sleeve connected to the upper end of the support frame; the support frame is connected to side plates on both sides below the sleeve, and slide plates are connected to the inner sides of the two side plates, and a T-shaped slideway is formed between the two slide plates, the inner wall of the sleeve is provided with an internal thread, and an adjusting screw is threadedly connected, the upper end of the adjusting screw is connected to a rotating wheel, and the lower end passes through the sleeve and is threadedly connected to a slider, the slider is slidably connected between the two slide plates, the lower end of the slider is threadedly connected to an upper positioning rod, and the two sides of the lower end of the slider are connected to pressure plates extending outward, preferably The center of the base is provided with a positioning hole, and a lower positioning rod is threadedly connected to the positioning hole, and the lower positioning rod is located directly below the upper positioning rod. Preferably, the base is provided with slide grooves on both sides of the positioning hole, and an L-shaped clamp is slidably connected in the slide groove. Preferably, a pull rod is connected to the lower surface of the rotating wheel, and the flywheel is placed on the base, and then the rotating wheel is rotated. The rotating wheel drives the adjusting screw to rotate, thereby driving the slider to move downward, and the upper positioning rod at the lower end of the slider passes through the center of the flywheel, and the pressure plate is pressed on the flywheel, thereby completing the fastening of the flywheel, which is beneficial to subsequent processing. Not only is the structure simple and the manufacturing cost low, but it is also easy to use and has a good stabilizing effect.

[0004] The flywheel clamping device has a pressure plate that is pressed on the flywheel, thereby completing the fastening of the flywheel, which is beneficial to subsequent processing. It is not only simple in structure and low in manufacturing cost, but also easy to use and has good stability. However, the overall device does not contain prestressed composite material winding laser in-situ curing technology during use, which affects the power density and energy density of the flywheel energy storage device. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a composite flywheel device based on online curing winding.

[0006] The utility model is implemented by the following technical solutions: a composite flywheel device based on online curing winding, comprising a supporting bottom plate, a protective shell is welded on the top of the supporting bottom plate, and a vertical plate is fixedly connected to the surface of the protective shell;

[0007] The bottom end of the inner wall of the protective shell is fixedly connected to a bottom support block, the top end of the inner wall of the protective shell is fixedly connected to a top support block, the top of the bottom support block is fixedly connected to a first radial magnetic bearing, the bottom of the top support block is fixedly connected to a second radial magnetic bearing, the top support block is internally rotatably connected to a flywheel rotor, the bottom support block is internally rotatably connected to a flywheel rotor, the inner wall of the protective shell is fixedly connected to a stator of an electric reciprocal bidirectional motor, and the top of the flywheel rotor is fixedly connected to an axial magnetic bearing.

[0008] Through the above technical solution, the larger protruding parts and longer parts of the flywheel rotor need to be wrapped with a carbon fiber composite material sheath.

[0009] As a further improvement of the above solution, the axial magnetic bearing is arranged at a part of the stator of the electric reciprocal bidirectional motor, and the stator of the electric reciprocal bidirectional motor is arranged at the bottom of the second radial magnetic bearing.

[0010] As a further improvement of the above solution, the top support block is arranged at the top of the flywheel rotor, and the bottom support block is arranged at the bottom of the flywheel rotor.

[0011] Through the above technical solution, the longer part of the flywheel rotor is the carbon fiber composite material sheath of the high-speed motor rotor.

[0012] As a further improvement of the above solution, the vertical plates are symmetrically distributed with the protective shell as the center, and the bottom support block is arranged on the top of the supporting bottom plate.

[0013] Through the above technical solution, the number of vertical plates is set to four, which is convenient for protecting the connection stability between the outer shell and the supporting base plate.

[0014] As a further improvement of the above solution, a flywheel rotor is arranged inside the protective shell, and the second radial magnetic bearing is arranged inside the protective shell.

[0015] As a further improvement of the above solution, the first radial magnetic bearing is arranged inside the protective shell, the bottom end of the flywheel rotor is fixedly connected with the first radial magnetic bearing, and the top end of the flywheel rotor is fixedly connected with the second radial magnetic bearing.

[0016] Through the above technical solution, the larger protruding parts of the flywheel body are replaced by carbon fiber composite materials instead of the metal flywheel body.

[0017] As a further improvement of the above solution, the axial magnetic bearing is arranged inside the protective shell, and the vertical plate is fixedly connected to the top of the supporting base plate.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model is the only way to improve the energy and power density of the flywheel by setting the overall composite material of the equipment. The laser in-situ curing technology of prestressed composite material winding can simultaneously improve the power density and energy density of the flywheel energy storage device. It is the core technology of flywheel manufacturing. The surface linear speed of the flywheel motor rotor reaches 250m / s, and the surface linear speed of the flywheel body reaches 750m / s. Compared with ordinary flywheel products, the indicators are far ahead, which greatly improves the competitiveness of flywheel products. A single laser heating winding equipment can simultaneously wind the motor rotor sleeve and the flywheel body, with fewer processes and suitable for mass production. After having independent production capabilities, the production cost of a single flywheel is greatly reduced.

[0020] The utility model can store and release energy with high efficiency by setting a flywheel rotor, complete energy conversion in a short time, and work stably at different temperatures. Unlike batteries, the performance will decrease at low temperatures. It has a very high power density and can provide high-power rapid charging and discharging capabilities. Compared with energy storage methods such as chemical batteries, it is safer and less prone to explosion or leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the anatomical structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the anatomical structure of the support base plate of the utility model;

[0024] Figure 4 This is a schematic diagram of the flywheel rotor disassembly structure of the utility model.

[0025] Description of main symbols:

[0026] 1. Support base plate; 2. Protective shell; 3. Vertical plate; 4. Bottom support block; 5. Top support block; 6. First radial magnetic bearing; 7. Second radial magnetic bearing; 8. Flywheel rotor; 9. Electric reciprocal bidirectional motor stator; 10. Axial magnetic bearing. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example

[0028] Please combine Figure 1-4 A composite flywheel device based on online curing winding in this embodiment includes a supporting base plate 1, a protective shell 2 is welded to the top of the supporting base plate 1, and a vertical plate 3 is fixedly connected to the surface of the protective shell 2;

[0029] The bottom end of the inner wall of the protective shell 2 is fixedly connected to a bottom support block 4, the top end of the inner wall of the protective shell 2 is fixedly connected to a top support block 5, the top of the bottom support block 4 is fixedly connected to a first radial magnetic bearing 6, the bottom of the top support block 5 is fixedly connected to a second radial magnetic bearing 7, the top support block 5 is internally rotatably connected to a flywheel rotor 8, the bottom support block 4 is internally rotatably connected to a flywheel rotor 8, the inner wall of the protective shell 2 is fixedly connected to an electric reciprocal bidirectional motor stator 9, and the top of the flywheel rotor 8 is fixedly connected to an axial magnetic bearing 10. The overall composite material of the device is arranged The only way to improve the energy and power density of flywheels, laser in-situ curing technology for winding prestressed composite materials can simultaneously improve the power density and energy density of flywheel energy storage devices. It is the core technology of flywheel manufacturing. The surface linear speed of the flywheel motor rotor reaches 250m / s, and the surface linear speed of the flywheel body reaches 750m / s. Compared with ordinary flywheel products, the indicators are far ahead, which greatly improves the competitiveness of flywheel products. A single laser heating winding equipment can simultaneously wind the motor rotor sleeve and the flywheel body, with fewer processes and suitable for mass production. After having independent production capabilities, the production cost of a single flywheel is greatly reduced.

[0030] The larger protruding parts and the longer parts of the flywheel rotor 8 need to be wrapped with a carbon fiber composite material sheath.

[0031] The axial magnetic bearing 10 is arranged at a part of the stator 9 of the electric reciprocal bidirectional motor, and the stator 9 of the electric reciprocal bidirectional motor is arranged at the bottom of the second radial magnetic bearing 7 .

[0032] The top support block 5 is arranged at the top of the flywheel rotor 8 , and the bottom support block 4 is arranged at the bottom of the flywheel rotor 8 .

[0033] The longer part of the flywheel rotor 8 is the carbon fiber composite material sheath of the high-speed motor rotor.

[0034] The vertical plates 3 are symmetrically distributed with the protective shell 2 as the center, and the bottom support block 4 is arranged on the top of the supporting bottom plate 1 .

[0035] The number of the vertical plates 3 is set to four, so as to facilitate the stability of the connection between the protective shell 2 and the supporting base plate 1.

[0036] A flywheel rotor 8 is disposed inside the protective shell 2 , and a second radial magnetic bearing 7 is disposed inside the protective shell 2 .

[0037] The first radial magnetic bearing 6 is arranged inside the protective shell 2, the bottom end of the flywheel rotor 8 is fixedly connected to the first radial magnetic bearing 6, and the top end of the flywheel rotor 8 is fixedly connected to the second radial magnetic bearing 7. By setting the flywheel rotor 8, it is possible to have high efficiency in storing and releasing energy, complete energy conversion in a short time, and work stably at different temperatures. Unlike batteries, the performance will decrease at low temperatures. It has a very high power density and can provide high-power rapid charging and discharging capabilities. Compared with energy storage methods such as chemical batteries, it is safer and not prone to explosion or leakage.

[0038] Carbon fiber composite materials are used in the larger protruding parts of the flywheel body to replace the metal flywheel body.

[0039] The axial magnetic bearing 10 is arranged inside the protective shell 2 , and the vertical plate 3 is fixedly connected to the top of the supporting base plate 1 .

[0040] The implementation principle of a composite flywheel device based on online curing winding in the embodiment of the present application is as follows: placing the device in a suitable position, and setting the overall composite material of the device is the only way to improve the energy and power density of the flywheel. The laser in-situ curing technology of prestressed composite material winding can simultaneously improve the power density and energy density of the flywheel energy storage device, and is the core technology of flywheel manufacturing. The surface linear velocity of the flywheel motor rotor reaches 250m / s, and the surface linear velocity of the flywheel body reaches 750m / s. Compared with ordinary flywheel products, the indicators are far ahead, which greatly improves the competitiveness of flywheel products. A single laser heating winding device can simultaneously wind the motor rotor sheath and the flywheel body, with fewer processes and suitable for mass production. After having independent production capacity, the production cost of a single flywheel is greatly reduced. By setting the flywheel rotor 8, it can be stored and released without high efficiency, and energy conversion can be completed in a short time. It can work stably at different temperatures. Unlike batteries, the performance will decrease at low temperatures. It has a very high power density and can provide high-power rapid charging and discharging capabilities. It is safer than chemical batteries and other energy storage methods and is not prone to explosion or leakage.

[0041] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A composite flywheel device based on online curing winding, comprising a supporting base plate (1), a protective shell (2) welded to the top of the supporting base plate (1), and a vertical plate (3) fixedly connected to the surface of the protective shell (2); It is characterized in that The bottom end of the inner wall of the protective shell (2) is fixedly connected to a bottom support block (4), the top end of the inner wall of the protective shell (2) is fixedly connected to a top support block (5), the top of the bottom support block (4) is fixedly connected to a first radial magnetic bearing (6), the bottom of the top support block (5) is fixedly connected to a second radial magnetic bearing (7), the top support block (5) is internally rotatably connected to a flywheel rotor (8), the bottom support block (4) is internally rotatably connected to a flywheel rotor (8), the inner wall of the protective shell (2) is fixedly connected to an electric reciprocal bidirectional motor stator (9), and the top of the flywheel rotor (8) is fixedly connected to an axial magnetic bearing (10).

2. A composite flywheel device based on online curing winding as claimed in claim 1, characterized in that: The axial magnetic suspension bearing (10) is arranged on a part of the electric reciprocal bidirectional motor stator (9), and the electric reciprocal bidirectional motor stator (9) is arranged on the bottom of the second radial magnetic suspension bearing (7).

3. A composite flywheel device based on online curing winding as claimed in claim 1, characterized in that: The top end support block (5) is arranged at the top end of the flywheel rotor (8), and the bottom end support block (4) is arranged at the bottom end of the flywheel rotor (8).

4. A composite flywheel device based on online curing winding as claimed in claim 3, characterized in that: The vertical plates (3) are symmetrically distributed with the protective shell (2) as the center, and the bottom support block (4) is arranged on the top of the supporting bottom plate (1).

5. A composite flywheel device based on online curing winding as claimed in claim 1, characterized in that: A flywheel rotor (8) is arranged inside the protective shell (2), and the second radial magnetic bearing (7) is arranged inside the protective shell (2).

6. A composite flywheel device based on online curing winding as claimed in claim 5, characterized in that: The first radial magnetic suspension bearing (6) is arranged inside the protective housing (2), the bottom end of the flywheel rotor (8) is fixedly connected to the first radial magnetic suspension bearing (6), and the top end of the flywheel rotor (8) is fixedly connected to the second radial magnetic suspension bearing (7).

7. A composite flywheel device based on online curing winding as claimed in claim 6, characterized in that: The axial magnetic suspension bearing (10) is arranged inside the protective housing (2), and the vertical plate (3) is fixedly connected to the top of the supporting base plate (1).

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