Wind power generator set of electric car and using method of wind power generator set

Abstract

The invention relates to the technical field of wind power generation, in particular to an electric vehicle wind power generator set which comprises a wind turbine, a generator, an energy storage system, a control system and a damping supporting structure. The wind turbine is used for capturing wind energy and converting the wind energy into mechanical energy; the generator is connected with the wind turbine and used for converting the mechanical energy into electric energy; the energy storage system is connected with the generator and used for storing electric energy; the control system is used for monitoring and adjusting the operation states of the wind turbine, the generator and the energy storage system; the damping supporting structure is used for fixing the wind turbine and the generator, ensuring the stability of the wind turbine and the generator in the running process of the electric vehicle and meanwhile reducing vibration and noise of the wind turbine and the generator in the running process. The control system monitors the wind speed and the running state of the electric vehicle in real time, adjusts the blade angle of the wind turbine and the load of the generator, prevents the rotating shaft position from being damaged due to the too high rotating speed when the wind power is too large, and effectively supplements the energy of the storage battery.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a wind power generator set for a tram and a use method thereof. Background Art

[0002] With the continuous growth of global energy demand and the improvement of environmental protection awareness, wind power generation, as a clean and renewable energy form, is increasingly valued by countries around the world. The use of wind power generation has become an important means to promote sustainable development. At the same time, with the rapid development of the electric vehicle industry, the development of efficient, stable and reliable electric vehicle wind power generators has become an important direction for the industry.

[0003] In the prior art, the technology of wind power generators for electric vehicles has the following problems: (1) The endurance of electric vehicles is insufficient. Once the battery is exhausted, the vehicle can only replenish its power source by stopping for several hours to recharge, which greatly limits the rapid development of electric vehicles. (2) Small wind turbines cannot automatically adjust according to wind direction during use, resulting in the equipment being damaged due to excessive rotation speed when the wind is too strong, thus affecting the use of the equipment. (3) Some generators also have problems such as low efficiency, poor stability, and high maintenance costs.

[0004] Therefore, in order to solve the above problems that the electric vehicle wind power generator set cannot be automatically adjusted according to the wind direction during use and has low efficiency and poor stability, a method for using the electric vehicle wind power generator set can be designed. Summary of the invention

[0005] In order to overcome the problems of being unable to automatically adjust according to wind direction during use and having low efficiency and poor stability.

[0006] The technical solution of the present invention is: a wind energy generator set for a tram, including a wind turbine, a generator, an energy storage system, a control system and a shock absorbing support structure;

[0007] Wind turbines are used to capture wind energy and convert it into mechanical energy;

[0008] A generator is connected to the wind turbine to convert mechanical energy into electrical energy;

[0009] The energy storage system is connected to the generator to store electrical energy;

[0010] Control systems are used to monitor and regulate the operating status of wind turbines, generators, and energy storage systems;

[0011] The shock-absorbing support structure is installed on the roof, side, rear, bottom or connection of the vehicle body to fix the wind turbine and generator and ensure their stability during the operation of the tram, while reducing the vibration and noise of the wind turbine and generator during operation.

[0012] Preferably, the wind turbine is a vertical axis wind turbine, the blade structure of the wind turbine imitates bird wings or fish fins, and the blades of the wind turbine are made of carbon fiber or glass fiber.

[0013] Preferably, the energy storage system includes a lithium-ion battery pack and a supercapacitor.

[0014] Preferably, the energy storage system also includes a kinetic energy recovery device for recovering and storing energy generated when the electric vehicle brakes.

[0015] Preferably, the control system includes a wind speed sensor, a rotation speed sensor, a voltage sensor and a controller based on an artificial intelligence algorithm.

[0016] Preferably, the control system further comprises an adaptive control module for automatically adjusting the blade angle and generator load of the wind turbine according to the real-time wind speed and the running status of the tram.

[0017] Preferably, the shock-absorbing support structure includes a base plate and a support plate, a rotating plate is rotatably connected inside the support plate, an inner core plate is fixedly connected to the inner side of the rotating plate, a mounting plate is fixedly connected to the upper end of the inner core plate, a guide seat with annular equidistant distribution is fixedly connected to the upper end of the base plate, a first magnet is fixedly connected to the upper end of the bottom of the guide seat, a second magnet is magnetically connected to the upper end of the first magnet, a sliding block is fixedly connected to the upper end of the second magnet, a plug column inserted into the inner side of the sliding block is fixedly connected inside the guide seat, a damping return spring is arranged on the outer side of the plug column, and the upper end of the sliding block is fixedly connected There is a U-shaped frame, the lower end of the inner core plate is fixedly connected to another U-shaped frame distributed in an annular manner with equal spacing, a damping shock absorber is rotatably connected between the two U-shaped frames, the lower end of the support plate is fixedly connected to an L-shaped bracket, the upper end of the L-shaped bracket is fixedly connected to a motor, a driving gear is installed on the outer side of the motor output shaft, a driven gear meshing with the driving gear is installed on the lower end of the inner core plate, an annular guide rail is fixedly connected to the upper end of the support plate, and an annular pulley distributed in an annular manner with equal spacing is fixedly connected to the lower end of the mounting plate, the pulley is slidably connected in the annular guide rail, and an anti-slip pad is fixedly connected to the lower end of the bottom plate.

[0018] A method for using a wind power generator set for a tram, comprising the wind power generator set for a tram as described above, and the steps are as follows:

[0019] Step 1: The base plate is installed on the roof, side, rear, bottom or connection of the vehicle, and the wind turbine and generator are fixed on the mounting plate. The anti-skid pad can increase the friction between the tram and the base plate. According to the change of wind direction, the motor at the upper end of the L-shaped bracket is started, and the driving gear and the driven gear drive the rotating plate, the inner core plate and the mounting plate to rotate. The pulley at the lower end of the mounting plate slides in the annular guide rail. The damping shock absorber between the two U-shaped frames serves the purpose of shock absorption. The sliding block in the guide seat slides on the outside of the plug column, and the damping reset spring is compressed. Under the action of the first magnet and the second magnet, the resistance of the sliding block is increased, and shock absorption is performed again;

[0020] Step 2: Start the wind turbine generator set on the tram, the control system initializes and detects wind speed, rotation speed and voltage parameters, the wind turbine captures wind energy and converts it into mechanical energy, and the generator converts mechanical energy into electrical energy;

[0021] Step 3: The electric energy is stored in the energy storage system or directly used in the electric vehicle motor;

[0022] Step 4: The control system monitors the wind speed and the running status of the tram in real time, and adjusts the blade angle of the wind turbine and the generator load;

[0023] Step 5: When the tram brakes, the kinetic energy recovery device converts the braking energy into electrical energy and stores it in the energy storage system;

[0024] Step 6: When there is no wind or the wind energy is insufficient, the energy storage system releases the stored electric energy to ensure the normal operation of the power vehicle.

[0025] Preferably, in step 4, the control system predicts wind speed changes based on an artificial intelligence algorithm and adjusts the operating parameters of the wind turbine in advance. The specific steps are as follows:

[0026] (1) Collect historical wind speed data, including wind direction, temperature, motor speed, pitch angle, and daily power generation, and normalize the data;

[0027] (2) The FCBF algorithm is selected for feature selection, the RBF model optimized based on the EPSO algorithm is used for wind speed prediction, and the model is trained using historical data;

[0028] (3) Use the trained model to predict wind speed in the future and determine the trend and range of wind speed changes based on the prediction results;

[0029] (4) Adjust the operating parameters of wind turbines in advance based on wind speed forecast results;

[0030] If the wind speed is predicted to increase, increase the blade angle and generator load in advance;

[0031] If a decrease in wind speed is predicted, the blade angle and generator load are reduced.

[0032] Preferably, in step six, the energy storage system preferentially uses supercapacitors to release electrical energy.

[0033] The beneficial effects of the present invention are as follows: the control system monitors the wind speed and the running status of the tram in real time, adjusts the blade angle of the wind turbine and the generator load, and automatically adjusts according to the wind direction, so as to avoid the equipment from being damaged in the shaft position due to excessive rotation speed when the wind force is too strong, thereby affecting the use of the equipment. The wind energy generated when the wind resistance during driving flows through the wind power generator set is used to meet the needs of vehicle driving endurance, and the battery energy is replenished in a timely and effective manner, thereby improving the tram's driving range and practicality. The tram wind power generator set can convert the wind energy generated during driving into electricity in real time and efficiently, replenish the battery energy of the electric vehicle, and the tram's driving range will be significantly improved, greatly improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 Shown is a schematic diagram of the frame structure of the electric vehicle wind power generator set of the present invention;

[0035] Figure 2 Shown is a first three-dimensional structural schematic diagram of the shock-absorbing support structure in the electric vehicle wind energy generator set of the present invention;

[0036] Figure 3 Shown is a second three-dimensional structural schematic diagram of the shock-absorbing support structure in the electric vehicle wind energy generator set of the present invention;

[0037] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the support plate and the mounting plate of the shock-absorbing support structure in the electric vehicle wind power generator set of the present invention;

[0038] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the guide seat and sliding block of the shock-absorbing support structure in the electric vehicle wind power generator set of the present invention.

[0039] Figure 6 Shown is a schematic diagram of the three-dimensional structure of the motor and inner core plate of the shock-absorbing support structure in the electric vehicle wind power generator set of the present invention.

[0040] Explanation of the accompanying drawings: 1. Base plate; 2. Support plate; 3. Rotating plate; 4. Inner core plate; 5. Mounting plate; 6. Guide seat; 7. First magnet; 8. Second magnet; 9. Sliding block; 10. Insert column; 11. Damping return spring; 12. U-shaped frame; 13. Damping shock absorber; 14. L-shaped bracket; 15. Motor; 16. Driving gear; 17. Driven gear; 18. Annular guide rail; 19. Pulley; 20. Anti-slip pad. DETAILED DESCRIPTION

[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0042] See also Figure 1-Figure 6, the present invention provides an embodiment: a tram wind energy generator set, including a wind turbine, a generator, an energy storage system, a control system and a shock absorbing support structure;

[0043] Wind turbines are used to capture wind energy and convert it into mechanical energy;

[0044] A generator is connected to the wind turbine to convert mechanical energy into electrical energy;

[0045] The energy storage system is connected to the generator to store electrical energy;

[0046] Control systems are used to monitor and regulate the operating status of wind turbines, generators, and energy storage systems;

[0047] The shock-absorbing support structure is installed on the roof, side, rear, bottom or connection of the vehicle body to fix the wind turbine and generator and ensure their stability during the operation of the tram, while reducing the vibration and noise of the wind turbine and generator during operation.

[0048] Among them, the wind turbine is a vertical axis wind turbine, the blade structure of the wind turbine imitates bird wings or fish fins, the blades of the wind turbine are made of carbon fiber or glass fiber, and the energy storage system includes lithium-ion battery packs and supercapacitors.

[0049] At the same time, the energy storage system also includes a kinetic energy recovery device for recovering and storing energy during tram braking. The control system includes a wind speed sensor, a speed sensor, a voltage sensor and a controller based on an artificial intelligence algorithm. The control system also includes an adaptive control module for automatically adjusting the blade angle of the wind turbine and the generator load according to the real-time wind speed and the operating status of the tram.

[0050] In addition, the shock-absorbing support structure includes a bottom plate 1 and a support plate 2, a rotating plate 3 is rotatably connected inside the support plate 2, an inner core plate 4 is fixedly connected to the inner side of the rotating plate 3, a mounting plate 5 is fixedly connected to the upper end of the inner core plate 4, a guide seat 6 with equidistant distribution in an annular shape is fixedly connected to the upper end of the bottom plate 1, a first magnet 7 is fixedly connected to the upper end of the bottom of the guide seat 6, a second magnet 8 is magnetically connected to the upper end of the first magnet 7, a sliding block 9 is fixedly connected to the upper end of the second magnet 8, a plug post 10 inserted into the inner side of the sliding block 9 is fixedly connected inside the guide seat 6, a damping return spring 11 is arranged on the outer side of the plug post 10, a U-shaped frame 12 is fixedly connected to the upper end of the sliding block 9, The lower end of the inner core plate 4 is fixedly connected to another U-shaped frame 12 which is distributed in an annular manner with equal spacing, and a damping shock absorber 13 is rotatably connected between the two U-shaped frames 12. The lower end of the support plate 2 is fixedly connected to an L-shaped bracket 14, and the upper end of the L-shaped bracket 14 is fixedly connected to a motor 15. A driving gear 16 is installed on the outer side of the output shaft of the motor 15, and a driven gear 17 meshing with the driving gear 16 is installed at the lower end of the inner core plate 4. The upper end of the support plate 2 is fixedly connected to an annular guide rail 18, and the lower end of the mounting plate 5 is fixedly connected to pulleys 19 which are distributed in an annular manner with equal spacing, and the pulleys 19 are slidably connected in the annular guide rail 18. The lower end of the base plate 1 is fixedly connected to an anti-slip pad 20.

[0051] A method for using a wind power generator set for a tram, comprising the wind power generator set for a tram as described above, and the steps are as follows:

[0052] Step 1: The base plate 1 is installed on the roof, the side of the vehicle body, the rear of the vehicle, the bottom of the vehicle or the connection between the vehicle compartment, and the wind turbine and the generator are fixed on the mounting plate 5. The anti-skid pad 20 can increase the friction between the tram and the base plate 1. According to the change of wind direction, the motor 15 at the upper end of the L-shaped bracket 14 is started, and under the action of the driving gear 16 and the driven gear 17, the rotating plate 3, the inner core plate 4 and the mounting plate 5 are driven to rotate. The pulley 19 at the lower end of the mounting plate 5 slides in the annular guide rail 18. The damping shock absorber 13 between the two U-shaped frames 12 serves the purpose of shock absorption. The sliding block 9 in the guide seat 6 slides on the outside of the plug column 10, and the damping reset spring 11 is compressed. Under the action of the first magnet 7 and the second magnet 8, the resistance of the sliding block 9 is increased, and shock absorption is performed again;

[0053] Step 2: Start the wind turbine generator set on the tram, the control system initializes and detects wind speed, rotation speed and voltage parameters, the wind turbine captures wind energy and converts it into mechanical energy, and the generator converts mechanical energy into electrical energy;

[0054] Step 3: The electric energy is stored in the energy storage system or directly used in the electric vehicle motor;

[0055] Step 4: The control system monitors the wind speed and the running status of the tram in real time, and adjusts the blade angle of the wind turbine and the generator load;

[0056] Step 5: When the tram brakes, the kinetic energy recovery device converts the braking energy into electrical energy and stores it in the energy storage system;

[0057] Step 6: When there is no wind or the wind energy is insufficient, the energy storage system releases the stored electric energy to ensure the normal operation of the power vehicle.

[0058] Among them, in step 4, the control system predicts wind speed changes based on artificial intelligence algorithms and adjusts the operating parameters of the wind turbine in advance. The specific steps are as follows:

[0059] (1) Collect historical wind speed data, including wind direction, temperature, motor speed, pitch angle, and daily power generation, and normalize the data;

[0060] (2) The FCBF algorithm is selected for feature selection, the RBF model optimized based on the EPSO algorithm is used for wind speed prediction, and the model is trained using historical data;

[0061] (3) Use the trained model to predict wind speed in the future and determine the trend and range of wind speed changes based on the prediction results;

[0062] (4) Adjust the operating parameters of wind turbines in advance based on wind speed forecast results;

[0063] If the wind speed is predicted to increase, increase the blade angle and generator load in advance;

[0064] If a decrease in wind speed is predicted, the blade angle and generator load are reduced.

[0065] At the same time, in step six, the energy storage system preferentially uses supercapacitors to release electrical energy.

[0066] Through the above steps, the control system monitors the wind speed and the running status of the tram in real time, adjusts the blade angle of the wind turbine and the generator load, and automatically adjusts according to the wind direction, so as to avoid the equipment being damaged due to excessive rotation speed when the wind is too strong, affecting the use of the equipment. The wind energy generated when the wind resistance during driving flows through the wind power generator set is used to meet the vehicle's driving endurance needs, and the battery energy is replenished in a timely and effective manner. The tram's cruising range will be significantly improved to solve the problems of being unable to automatically adjust according to wind direction during use and low efficiency and poor stability.

[0067] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the spirit of the present invention.

Claims

1. A wind power generator set for a tram, comprising a wind turbine, a generator, an energy storage system, a control system and a shock absorbing support structure; characterized in that: Wind turbines are used to capture wind energy and convert it into mechanical energy; A generator is connected to the wind turbine to convert mechanical energy into electrical energy; The energy storage system is connected to the generator to store electrical energy; Control systems are used to monitor and regulate the operating status of wind turbines, generators, and energy storage systems; The shock-absorbing support structure is installed on the roof, side, rear, bottom or connection of the vehicle body to fix the wind turbine and generator and ensure their stability during the operation of the tram, while reducing the vibration and noise of the wind turbine and generator during operation.

2. The electric vehicle wind energy generator set according to claim 1, characterized in that: The wind turbine is a vertical axis wind turbine. The blade structure of the wind turbine imitates bird wings or fish fins. The blades of the wind turbine are made of carbon fiber or glass fiber.

3. The electric vehicle wind energy generator set according to claim 2, characterized in that: The energy storage system includes lithium-ion battery packs and supercapacitors.

4. The electric vehicle wind energy generator set according to claim 3, characterized in that: The energy storage system also includes a kinetic energy recovery device, which is used to recover and store energy when the tram brakes.

5. The electric vehicle wind energy generator set according to claim 4, characterized in that: The control system includes a wind speed sensor, a rotation speed sensor, a voltage sensor and a controller based on an artificial intelligence algorithm.

6. The electric vehicle wind energy generator set according to claim 5, characterized in that: The control system also includes an adaptive control module for automatically adjusting the blade angle and generator load of the wind turbine according to the real-time wind speed and the tram operating status.

7. The electric vehicle wind energy generator set according to claim 6, characterized in that: The shock-absorbing support structure comprises a bottom plate (1) and a support plate (2); a rotating plate (3) is rotatably connected inside the support plate (2); an inner core plate (4) is fixedly connected inside the rotating plate (3); a mounting plate (5) is fixedly connected to the upper end of the inner core plate (4); a guide seat (6) distributed in an annular manner and equidistantly is fixedly connected to the upper end of the bottom plate (1); a first magnet (7) is fixedly connected to the upper end of the bottom of the guide seat (6); a second magnet (8) is magnetically connected to the upper end of the first magnet (7); a sliding block (9) is fixedly connected to the upper end of the second magnet (8); a plug post (10) inserted into the inner side of the sliding block (9) is fixedly connected inside the guide seat (6); a damping return spring (11) is arranged outside the plug post (10); a U-shaped frame (12) is fixedly connected to the upper end of the sliding block (9); The lower end of the inner core plate (4) is fixedly connected to another U-shaped frame (12) which is equidistantly distributed in an annular manner, a damping shock absorber (13) is rotatably connected between the two U-shaped frames (12), the lower end of the support plate (2) is fixedly connected to an L-shaped bracket (14), the upper end of the L-shaped bracket (14) is fixedly connected to a motor (15), a driving gear (16) is installed on the outer side of the output shaft of the motor (15), a driven gear (17) meshingly connected to the driving gear (16) is installed at the lower end of the inner core plate (4), an annular guide rail (18) is fixedly connected to the upper end of the support plate (2), a pulley (19) which is equidistantly distributed in an annular manner is fixedly connected to the lower end of the mounting plate (5), the pulley (19) is slidably connected in the annular guide rail (18), and an anti-slip pad (20) is fixedly connected to the lower end of the bottom plate (1).

8. The method for using the electric vehicle wind power generator set is characterized in that The method comprises the electric vehicle wind energy generator set according to claim 7, wherein the steps are as follows: Step 1: The base plate (1) is installed on the roof, the side of the vehicle body, the rear of the vehicle, the bottom of the vehicle or the connection between the vehicle compartment, and the wind turbine and the generator are fixed on the mounting plate (5). The anti-skid pad (20) can increase the friction between the tram and the base plate (1). According to the change of wind direction, the motor (15) at the upper end of the L-shaped bracket (14) is started, and under the action of the driving gear (16) and the driven gear (17), the rotating plate (3), the inner core plate (4) and the mounting plate (5) are driven to rotate. The pulley (19) at the lower end of the mounting plate (5) slides in the annular guide rail (18). The damping shock absorber (13) between the two U-shaped frames (12) serves the purpose of shock absorption. The sliding block (9) in the guide seat (6) slides on the outside of the plug column (10), and the damping return spring (11) is compressed. Under the action of the first magnet (7) and the second magnet (8), the resistance of the sliding block (9) is increased, and shock absorption is performed again; Step 2: Start the wind turbine generator set of the tram, the control system initializes and detects wind speed, rotation speed and voltage parameters, the wind turbine captures wind energy and converts it into mechanical energy, and the generator converts mechanical energy into electrical energy; Step 3: The electric energy is stored in the energy storage system or directly used in the electric vehicle motor; Step 4: The control system monitors the wind speed and the running status of the tram in real time, and adjusts the blade angle of the wind turbine and the generator load; Step 5: When the tram brakes, the kinetic energy recovery device converts the braking energy into electrical energy and stores it in the energy storage system; Step 6: When there is no wind or the wind energy is insufficient, the energy storage system releases the stored electric energy to ensure the normal operation of the power vehicle.

9. The method for using the electric vehicle wind power generator set according to claim 8, characterized in that: In step 4, the control system predicts wind speed changes based on artificial intelligence algorithms and adjusts the operating parameters of the wind turbine in advance. The specific steps are as follows: (1) Collect historical wind speed data, including wind direction, temperature, motor speed, pitch angle, and daily power generation, and normalize the data; (2) The FCBF algorithm is selected for feature selection, the RBF model optimized based on the EPSO algorithm is used for wind speed prediction, and the model is trained using historical data; (3) Use the trained model to predict wind speed in the future and determine the trend and range of wind speed changes based on the prediction results; (4) Adjust the operating parameters of wind turbines in advance based on wind speed forecast results; If the wind speed is predicted to increase, increase the blade angle and generator load in advance; If a decrease in wind speed is predicted, the blade angle and generator load are reduced.

10. The method for using the electric vehicle wind power generator set according to claim 8, characterized in that: In step six, the energy storage system preferentially uses supercapacitors to release electrical energy.

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