Fitness power generation equipment and power generation method
By designing fitness power generation equipment, the energy generated by exercise is stored and converted into chemical energy by using generators, the problem that existing fitness equipment is difficult to mobilize users' enthusiasm and energy utilization is solved, and the multi-functional use of fitness equipment and green energy-saving effects are achieved.
Patent Information
- Application Number
- CN202510225661.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-05-30
AI Technical Summary
Existing fitness equipment is difficult to effectively mobilize users' enthusiasm and cannot effectively utilize the energy generated by exercise.
Design a fitness power generation device to store the energy generated by movement through a battery and use a generator to convert kinetic energy into chemical energy for charging electronic devices. The equipment combines the functions of a dynamic bicycle and a rowing machine to realize the multifunctional use of the equipment.
The energy generated by exercise has been visualized and concretized, which has mobilized the enthusiasm of fitness people, achieved green energy conservation, and responded to the call for the development of the green economy.
Smart Images
Figure CN120062064A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of fitness equipment, and particularly relates to a fitness power generation device and a power generation method. Background Art
[0002] With the development of society, people's living standards have been continuously improved. With the continuous enrichment of material conditions, people pay more and more attention to physical health. People's concern for health is increasing day by day, and home fitness has become a way for more and more people to relieve stress and improve health. A single exercise is very easy to lose enthusiasm. In this regard, the present invention proposes a fitness power generation device and a power generation method, which can visualize and materialize the energy generated by people's exercise, and can mobilize the enthusiasm of fitness people. Summary of the Invention
[0003] The object of the present invention is to provide a fitness power generation device and a power generation method, which use a storage battery to store the energy generated by exercise in the form of chemical energy, and then use it for charging electronic devices.
[0004] To achieve the object of the present invention, the present invention provides a fitness power generation device, including a main frame, a slidable seat cushion and a handle are provided on the main frame, a one-way shaft is provided inside the main frame, an elastic rope is wound and connected on the one-way shaft, the elastic rope passes through a pulley assembly and is connected to a rowing machine handle, both ends of the one-way shaft are connected to a pedal crank, a generator is provided on the main frame, a first gear is provided on the pedal crank, and the input end of the generator is meshed with the first gear through a second gear;
[0005] The electric energy output end of the generator is connected to the input end of a multi-functional display, the output end of the multi-functional display is connected to the input end of an electric energy management system, and the output end of the electric energy management system is respectively connected to a power storage part, a multi-way power output port and a mobile phone charging device. At the same time, the power storage part is connected to the multi-way power output port and the mobile phone charging device.
[0006] The further technology of the present invention:
[0007] Preferably, a heart rate detection system is provided on the handle.
[0008] Preferably, the heart rate detection system mainly includes five parts: a power supply module, a signal acquisition module, a main control module, a communication module, and a processing module;
[0009] Among them, the power supply module is responsible for supplying power to the heart rate detection system; the signal acquisition module is used to collect pulse signals and transmit them to the main control module through an analog-to-digital converter; the main control module is responsible for storing the collected signals and transmitting them through the communication module; the communication module is responsible for transmitting data to the PC side; the processing module is responsible for processing the pulse signals and calculating the heart rate.
[0010] Preferably, it further includes a wireless data transmission module, and the data input end of the wireless data transmission module is connected to the multifunctional display.
[0011] Preferably, the power storage part includes a battery pack and an overcharge and over-discharge protection unit.
[0012] Preferably, the overcharge and over-discharge protection unit is composed of two metal oxide semiconductor field effect transistors, a controllable IC, and resistor-capacitor elements; the controllable IC is responsible for measuring the battery voltage and the loop current, and controlling the gates of the two metal oxide semiconductor field effect transistors. The metal oxide semiconductor field effect transistors act as switches in the circuit, respectively controlling the conduction and cut-off of the charging loop and the discharging loop.
[0013] Preferably, the power generation adopts the design of a new type of adjustable DC regulated power supply with a single-chip microcomputer system as the core.
[0014] In the main circuit, the rectifier filter circuit uses a common three-phase bridge uncontrolled rectifier to convert the three-phase AC voltage of the power grid into DC, and then obtains a smooth DC voltage through the filter circuit. The voltage regulation circuit is a buck chopper circuit implemented by a high-power device IGBT.
[0015] The control circuit uses a single-chip microcomputer as the logic controller to control the realization of the logic. The keyboard and display circuit are used for human-computer interaction to display and set system data. The ADC analog-to-digital conversion circuit feeds back the real-time voltage of the system to the single-chip microcomputer for processing. The system output voltage is converted to the range that can be detected by the ADC analog-to-digital conversion circuit through the detection protection circuit and then connected to the voltage detection circuit.
[0016] Preferably, its power generation method:
[0017] The pedal crank drives the first gear to rotate. The input end of the generator is meshed with the first gear through the second gear, so that the generator generates electricity; pulling the rowing machine handle, the elastic rope passes through the pulley assembly and the rowing machine handle, thereby driving the one-way shaft to rotate, driving the first gear to rotate, and the input end of the generator is meshed with the first gear through the second gear, so that the generator generates electricity.
[0018] The electric energy is transmitted to the multifunctional display. The multifunctional display displays and records the real-time power generation voltage, current, power, power generation amount, and power generation time, and then enters the power management system. The electric energy is output after rectification and voltage regulation in the power management system. One way is to supply power to the multi-way power output port and the mobile phone charging device, and the other way is to store the electric energy in the power storage part for standby.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] The multi-functional fitness equipment of the present invention combines a traditional spinning bike and a rowing machine. The unified combination of the equipment not only realizes the multi-purpose use of one device, but also saves the occupied space at home. In the scenario of configuring fitness equipment at home, it has extremely high cost performance. After the user uses the rowing machine for anaerobic exercise and exercises the back muscles, they only need to simply organize the equipment ropes, and then they can continue to use the equipment for aerobic exercise to further efficiently reduce fat.
[0021] The kinetic energy generated by the user during exercise is converted into chemical energy through a power generation device and stored in a storage battery. This function visualizes and concretizes the energy generated by people's exercise. While the user exercises to burn fat, electrical energy is generated through the motor to supply energy to the devices carried with them, achieving green energy conservation and responding to the call for the development of the green economy. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a schematic diagram of the power generation equipment;
[0023] Figure 2 It is a connection block diagram of each part of the power generation system;
[0024] Figure 3 It is a circuit structure diagram of the single-chip microcomputer system;
[0025] Figure 4 It is a schematic diagram of the rectifier filter circuit;
[0026] Figure 5 It is an overall framework diagram of the heart rate detection system. DETAILED DESCRIPTION OF THE INVENTION
[0027] The present invention will be further described below in conjunction with the drawings and embodiments. The present invention includes but is not limited to the following embodiments.
[0028] As Figure 1 , the present invention provides a fitness power generation device, which includes a main frame 1, a slidable seat 2 and a handle 3 are arranged on the main frame 1, a one-way shaft 4 is arranged inside the main frame, a elastic rope 5 is wound and connected on the one-way shaft 4, the elastic rope 5 is connected to the rowing machine handle 7 through a pulley assembly 6, and both ends of the one-way shaft 4 are connected to a pedal crank 8.
[0029] The new equipment combines a traditional spinning bike and a rowing machine. The unified combination of the equipment not only realizes the multi-purpose use of one device, but also saves the occupied space at home. In the scenario of configuring fitness equipment at home, it has extremely high cost performance. After the user uses the rowing machine for anaerobic exercise and exercises the back muscles, they only need to simply organize the equipment ropes, and then they can continue to use the equipment for aerobic exercise to further efficiently reduce fat.
[0030] Furthermore, a heart rate detection system is arranged on the handle of this embodiment, as Figure 5 .
[0031] The heart rate detection system is mainly divided into five parts: a power supply module, a signal acquisition module, a main control module, a communication module, and a processing module;
[0032] Among them, the power supply module is responsible for supplying power to the heart rate detection system; the signal acquisition module is used to collect pulse signals and transmit them to the main control module through an analog-to-digital converter; the main control module is responsible for storing the collected signals and transmitting them through the communication module; the communication module is responsible for transmitting data to the PC side; the processing module is responsible for processing the pulse signals and calculating the heart rate.
[0033] A generator 10 is also provided on the main frame, and a first gear 9 is provided on the pedal crank. The input end of the generator 10 is engaged with the first gear 9 through a second gear 11;
[0034] The power output end of the generator is connected to the input end of the multifunctional display. The output end of the multifunctional display is connected to the input end of the power management system. The output end of the power management system is respectively connected to the energy storage part, the multi-channel power output port, and the mobile phone charging device. At the same time, the energy storage part is connected to the multi-channel power output port and the mobile phone charging device.
[0035] A wireless data transmission module is also provided in the multifunctional intelligent platform, and the data input end of the wireless data transmission module is connected to the multifunctional display.
[0036] On the one hand, the pedal crank drives the first gear to rotate. The input end of the generator is engaged with the first gear through the second gear, so that the generator generates electricity. On the other hand, when the rowing machine handle is pulled, the elastic rope passes through the pulley assembly and the rowing machine handle, thereby driving the one-way shaft to rotate, driving the first gear to rotate, and the input end of the generator is engaged with the first gear through the second gear, so that the generator generates electricity.
[0037] By generating electricity through the same kind of gears, the kinetic energy generated by the user during exercise is converted into chemical energy through the power generation device and stored in the storage battery, realizing the integration of power generation, energy storage, and energy supply. This function visualizes and concretizes the energy generated by people's exercise, which can mobilize the enthusiasm of fitness people and improve the sense of achievement of fitness people.
[0038] It should be noted that in this embodiment of the fitness equipment, a permanent magnet generator is selected for the generator. At present, there are many types of generators on the market. Considering the space and shape requirements of the new equipment and its usage positioning, we decided to use a disk-type permanent magnet generator. The mechanical energy input of the generator comes from the user's pedal movement. A large generator is not required, and a micro-generator can meet the energy supply needs. In addition, micro-generators can usually be connected to different electronic devices through different interfaces, and can be used to charge small electronic products such as mobile phones, tablet computers, and digital cameras, which is extremely suitable for the product's use. To fit the bicycle power generation, we designed the shape of the motor to be disk-type. Since three-phase electricity is more efficient and stable, it is more suitable for the transmission and distribution of electrical energy than single-phase electricity. Here, we designed the disk-type permanent magnet generator to generate three-phase alternating current.
[0039] When the load is constant, the relationship between the voltage and speed of the generator is called the speed-load characteristic. The terminal voltage of the generator can be approximately written as:
[0040] In the formula: xd = xs + xa; xa - armature reaction reactance; xs - leakage reactance of the stator winding; R - generator load; r - resistance of the generator stator winding. Among them: E and xd are proportional to the speed n. When n is very small, xd is very small. Since (r + R) >> xd, xd in the denominator can be ignored, and the u = f(n) curve is close to a straight line. As the speed increases, xd increases, while (r + R) remains almost unchanged (R may increase slightly).
[0041] The system circuit structure is as Figure 3 , and a new type of adjustable DC regulated power supply design with a single-chip microcomputer system as the core is adopted. It is mainly composed of a chopper circuit and an AT89S52 single-chip microcomputer control system.
[0042] In the main circuit, a commonly used three-phase bridge uncontrolled rectifier is used for the rectifier filter circuit. The rectifier filter circuit is used to convert alternating current into direct current. In order to make the structure relatively simple, its diodes are processed according to the ideal model. The principle of the rectifier filter circuit is as Figure 3 shown. Here, a bridge rectifier circuit is adopted mainly because the capacitor circuit of the bridge rectifier circuit is relatively simple, the output voltage is high, the ripple voltage is small, and the efficiency is high.
[0043] The regulated power supply circuit is a buck chopper circuit implemented by a high-power device IGBT.
[0044] The control circuit uses the AT89S52 single-chip microcomputer as the logic controller to control the implementation of logic. The keyboard and display circuit are used for human-computer interaction to display and set system data. The ADC0809 analog-to-digital conversion circuit feeds the real-time voltage of the system back to the single-chip microcomputer for processing by the single-chip microcomputer. The function of the detection and protection circuit is to protect the ADC0809 detection circuit. Since the output voltage of the system is relatively high and cannot be directly connected to the ADC0809 detection circuit, it is necessary to convert the system output voltage to the range that can be detected by the ADC0809 through the detection and protection circuit before connecting it to the voltage detection circuit.
[0045] Through the above system, the unstable alternating current generated by the disk generator is converted into stable direct current to charge the battery, and then the battery is used as the energy center to distribute energy.
[0046] Such as Figure 4 , the rectifier consists of four diodes connected in a bridge, and the circuit that converts alternating current to direct current is a single-phase bridge rectifier circuit.
[0047] During the positive half-cycle, diodes D1 and D3 conduct, and the positive half-cycle of the sine wave is obtained on the load resistor. When the voltage u on the secondary side of the transformer is in the positive half-cycle, its polarity is positive at the top and negative at the bottom, that is, the potential of point a is higher than that of point b. Diodes D1 and D3 conduct, and D2 and D4 are cut off. The path of current i1 is a→D1→R2→D3→b. At this time, a half-wave voltage is obtained on the load resistor RL.
[0048] During the negative half-cycle, diodes D2 and D4 conduct, and the negative half-cycle of the sine wave is obtained on the load resistor. When the voltage u is in the negative half-cycle, the polarity of the secondary side of the transformer is negative at the top and positive at the bottom, that is, the potential of point b is higher than that of point a. Therefore, D1 and D3 are cut off, D2 and D4 conduct, and the path of current i2 is b→D2→RL→D4→a. Similarly, a half-wave voltage is obtained on the load resistor.
[0049] After the positive and negative half-cycles are synthesized on the load resistor, a unidirectional pulsating voltage in the same direction is obtained.
[0050] The energy storage part is placed inside the bracket, and the power output terminal of the generator is connected to the input terminal of the energy storage part.
[0051] The energy storage part includes a battery pack and an overcharge and over-discharge protection unit.
[0052] The overcharge and over-discharge protection unit includes a controllable IC. The controllable IC is responsible for measuring the battery voltage and the circuit current, and controlling the gates of two metal-oxide-semiconductor field-effect transistors. The metal-oxide-semiconductor field-effect transistors act as switches in the circuit, respectively controlling the conduction and cut-off of the charging circuit and the discharging circuit. A delay capacitor is designed so that the circuit has functions of overcharge protection, over-discharge protection, over-current protection and short-circuit protection.
[0053] The above content is only an example and explanation of the structure of the present invention. Those skilled in the art of this technology can make various modifications or supplements to the described specific embodiments or use similar methods for substitution. As long as they do not deviate from the structure of the invention or exceed the scope defined by this claims, they should fall within the protection scope of the present invention.
Claims
1. A fitness power generation device, characterized in that: The machine comprises a main frame, a slidable seat cushion and a handle are arranged on the main frame, a one-way shaft is arranged inside the main frame, an elastic rope is wound around the one-way shaft, the elastic rope is connected to the rowing machine handle through a pulley assembly, two ends of the one-way shaft are connected to a pedal crank, a generator is arranged on the main frame, a first gear is arranged on the pedal crank, and an input end of the generator is meshed with the first gear through a second gear; The power output end of the generator is connected to the input end of the multi-function display, the output end of the multi-function display is connected to the input end of the power management system, the output end of the power management system is respectively connected to the power storage part, the multi-way power output port and the mobile phone charging device, and the power storage part is connected to the multi-way power output port and the mobile phone charging device.
2. A fitness power generation device according to claim 1, characterized in that: A heart rate detection system is arranged on the handle.
3. A fitness power generation device according to claim 2, characterized in that: The heart rate detection system is mainly divided into five parts: power module, signal acquisition module, main control module, communication module and processing module; Among them, the power module is responsible for supplying power to the heart rate detection system; the signal acquisition module is used to collect pulse signals and transmit them to the main control module through the analog-to-digital converter; the main control module is responsible for storing the collected signal data and transmitting it through the communication module; the communication module is responsible for transmitting data to the PC; the processing module is responsible for processing the pulse signal and calculating the heart rate.
4. The fitness power generation equipment according to claim 1, characterized in that: It also includes a wireless data transmission module, and a data input end of the wireless data transmission module is connected to the multi-function display.
5. A fitness power generation device according to claim 4, characterized in that: The power storage part includes a battery pack and an overcharge and overdischarge protection unit.
6. A fitness power generation device according to claim 5, characterized in that: The overcharge and overdischarge protection unit is composed of two metal oxide semiconductor field effect transistors, a controllable IC and resistor and capacitor elements; the controllable IC is responsible for measuring the battery voltage and loop current, and controlling the gates of the two metal oxide semiconductor field effect transistors. The metal oxide semiconductor field effect transistors act as switches in the circuit, respectively controlling the conduction and disconnection of the charging circuit and the discharging circuit.
7. The fitness power generation equipment according to claim 1, characterized in that: The power generation adopts a new type of adjustable DC voltage-stabilized power supply design with a single-chip microcomputer system as the core; The rectifier and filter circuit in the main circuit uses a commonly used three-phase bridge uncontrolled rectifier to convert the three-phase AC voltage of the power grid into DC, and then obtains a smooth DC voltage through the filter circuit. The voltage stabilization circuit is a step-down chopper circuit realized by a high-power device IGBT; The control circuit uses the single-chip microcomputer as the logic controller to implement the control logic. The keyboard and display circuit are used as human-computer interaction to display and set system data. The ADC analog-to-digital conversion circuit feeds back the system real-time voltage to the single-chip microcomputer for processing. The detection protection circuit converts the system output voltage to the range that the ADC analog-to-digital conversion circuit can detect and connects to the voltage detection circuit.
8. The fitness power generation equipment according to claim 1, characterized in that: Its power generation method: The pedal crank drives the first gear to rotate, and the input end of the generator meshes with the first gear through the second gear, so that the generator generates electricity; the rowing machine handle is pulled, and the elastic rope passes through the pulley assembly and the rowing machine handle, thereby driving the one-way shaft to rotate, driving the first gear to rotate, and the input end of the generator meshes with the first gear through the second gear, so that the generator generates electricity; The electric energy is transmitted to the multi-function display, which displays and records the real-time power generation voltage, current, power, power generation and power generation time. The electric energy then enters the power management system, where it is rectified and stabilized before being output. One path is used to power multiple power output ports and mobile phone charging devices, and the other path is used to store the electric energy in the storage part for standby use.