CN216252249U - A kind of fitness bicycle charging power supply device - Google Patents

Abstract

The utility model relates to a charging and power supply device of a body-building bicycle, which comprises a generator, a charging circuit, an electric storage device, a DC-DC converter, a DC output 5V, an inverter and an AC output 220V, wherein the generator is arranged on wheels of the body-building bicycle, the charging circuit, the electric storage device, the DC-DC converter and the inverter are arranged on a base of the body-building bicycle, when a user steps on the body-building bicycle, the generator is driven to rotate, when an excitation coil is electrified, the generator generates AC power, the charging circuit charges the electric storage device, the electric energy of the electric storage device outputs the DC 5V after the DC-DC converter, and outputs the 220V AC power after the inverter converter. The device can store the energy of movement and provide direct current and alternating current output when needed.

Description

A kind of fitness bicycle charging power supply device

technical field

The utility model relates to electronic technology, sensing technology and single-chip technology, especially integrating these technologies into the fields of power generation, charging and power supply of exercise bikes.

Background technique

With the improvement of people's living standards, fitness has become the pleasure of people's life, and indoor fitness bicycles continue to enter people's homes, but most of the fitness bikes are just simple fitness, and energy is wasted. The utility model solves the problems of energy waste and daily electricity consumption in places where electricity is lacking or where electricity is often cut off.

SUMMARY OF THE INVENTION

In order to make full use of the energy of fitness personnel and provide emergency living electricity for places with power shortages and frequent power outages, a charging and power supply device for a fitness bicycle is invented. The device is a generator (1), a charging circuit (2), a power storage device (3), a DC-DC conversion (4), a DC output (5), an inverter (6), an AC output (7), a generator The generating coils L2, L3, and L4 of (1) are connected to the charging circuit (2), the charging circuit (2) is connected to the power storage device (3), and the DC-DC converter (4) and the inverter (6) are connected to the power storage device (3). The electrical device (3), the DC output (5) is connected to the DC-DC conversion (4) and the AC output (7) is connected to the inverter (6). The generator (1) is mounted on the wheel of the exercise bike (8); the charging circuit (2), the power storage device (3), the DC-DC conversion (4), and the inverter (6) are mounted on the exercise bike (8) The DC output (5) is fixed on the DC-DC converter (4), and the AC output (7) is fixed on the inverter (6). The charging circuit (2) includes a manual switch (21), a centrifugal switch (22), an excitation control circuit (23), a rectifier circuit (24) and a charging indication circuit (25); the excitation control circuit (23) is used to control the generator ( 1) The current of the excitation coil L1, and the potentiometer W1 can be adjusted to control the current size; the rectifier circuit (24) is connected to the generator coils L2, L3 and L4 of the generator (1) to rectify the output voltage of the generator coil; The charging instruction circuit (25) is used for instructing charging. It has the function of power generation, the generator (1) can convert the kinetic energy of the fitness personnel into electrical energy and store it in the power storage device (3); it has the output function of DC 5V and AC 220V, and the power storage device (3) is converted by the DC-DC conversion (4). ) of the electric energy is converted into DC 5V output, and the inverter (6) converts the electric energy of the power storage device (3) into AC 220V output.

The utility model has the advantage of making full use of fitness energy, capable of generating, charging and supplying power, and providing it to places with insufficient power or emergency needs of power failure.

Description of drawings

Fig. 1 is a block diagram of a utility model, Fig. 2 is a schematic diagram of a charging circuit, and Fig. 3 is an exercise bike and an assembly diagram;

1 to 3, 1 is a generator, 2 is a charging circuit, 3 is a power storage device, 4 is a DC-DC converter, 5 is a DC output, 6 is an inverter, 7 is an AC output, and 8 is an exercise bike , 21 is a manual switch, 22 is a centrifugal switch, 23 is an excitation control circuit, 24 is a rectifier circuit, and 25 is a charging instruction circuit.

Detailed ways

The device is a generator (1), a charging circuit (2), a power storage device (3), a DC-DC conversion (4), a DC output (5), an inverter (6), an AC output (7), a generator The generating coils L2, L3, and L4 of (1) are connected to the charging circuit (2), the charging circuit (2) is connected to the power storage device (3), and the DC-DC converter (4) and the inverter (6) are connected to the power storage device (3). The electrical device (3), the DC output (5) is connected to the DC-DC conversion (4) and the AC output (7) is connected to the inverter (6). The generator (1) is mounted on the wheel of the exercise bike (8); the charging circuit (2), the power storage device (3), the DC-DC conversion (4), and the inverter (6) are mounted on the exercise bike (8) The DC output (5) is fixed on the DC-DC converter (4), and the AC output (7) is fixed on the inverter (6). The charging circuit (2) includes a manual switch (21), a centrifugal switch (22), an excitation control circuit (23), a rectifier circuit (24) and a charging indication circuit (25); the excitation control circuit (23) is used to control the generator ( 1) The current of the excitation coil L1, and the potentiometer W1 can be adjusted to control the current size; the rectifier circuit (24) is connected to the generator coils L2, L3 and L4 of the generator (1) to rectify the output voltage of the generator coil; The charging instruction circuit (25) is used for instructing charging. It has the function of power generation, the generator (1) can convert the kinetic energy of the fitness personnel into electrical energy and store it in the power storage device (3); it has the output function of DC 5V and AC 220V, and the power storage device (3) is converted by the DC-DC conversion (4). ) of the electric energy is converted into DC 5V output, and the inverter (6) converts the electric energy of the power storage device (3) into AC 220V output.

In this embodiment, the power storage device (3) uses an existing 12V battery, and several batteries of the same specification are used in parallel as needed; the DC-DC conversion (4) is an existing DC conversion module on the market, which can convert 12V The direct current is converted into 5V direct current for charging the mobile phone; the inverter (6) The existing direct current to alternating current inverter can convert 12 direct current into 22V pure sine wave alternating voltage for use in household appliances.

The working principle of the utility model is as follows: firstly, the manual switch (21) is closed, and when the fitness personnel steps on the fitness bicycle (8), the rotor of the generator (1) is driven to rotate, and the centrifugal switch (22) is simultaneously driven to rotate due to the action of centrifugal force. Immediately closed, at this time, the battery supplies power to the excitation coil L1 of the generator (1), and the excitation current is adjusted by the potentiometer W1. The generating coils L2, L3 and L4 of the generator (1) start to generate induced electromotive force which is rectified by the rectifier circuit (24) and then sent back to the battery (3) for charging. At this time, the current flows from R1 to the right, the voltage of R1 is high on the left and low on the right, the operational amplifier A1 outputs a high level, the transistor Q2 is turned on, and the light-emitting diode D10 emits light to display the charging process. When the R1 current flows from right to left, the potential of R1 is high on the right and low on the left, the operational amplifier A1 outputs a low potential, the transistor Q2 is turned off, and the light-emitting diode D10 is off.

In this embodiment, the DC output (5) uses a USB interface for providing charging of mobile phones, and the AC output (7) uses a two-hole socket for providing AC 220V voltage for common electrical appliances. The operational amplifier A1 adopts the chip LM358. The generator adopts a car generator.

Claims (4)

1. A charging and power supply device for a body-building bicycle is characterized by comprising a generator (1), a charging circuit (2), an electric storage device (3), a DC-DC converter (4), a direct current output (5), an inverter (6) and an alternating current output (7), wherein generating coils L2, L3 and L4 of the generator (1) are connected to the charging circuit (2), the charging circuit (2) is connected to the electric storage device (3), the DC-DC converter (4) and the inverter (6) are connected to the electric storage device (3), the direct current output (5) is connected to the DC-DC converter (4), and the alternating current output (7) is connected to the inverter (6).

2. A charging and power supply device for exercise bicycles, as claimed in claim 1, characterized in that the generator (1) is mounted on the wheel of the exercise bicycle (8); the charging circuit (2), the electric storage device (3), the DC-DC converter (4) and the inverter (6) are arranged on a base of the exercise bicycle (8); the direct current output (5) is fixed on the DC-DC converter (4), and the alternating current output (7) is fixed on the inverter (6).

3. A charging and power-supplying device for exercise bicycle according to claim 1 or 2, characterized in that the charging circuit (2) comprises a manual switch (21), a centrifugal switch (22), an excitation control circuit (23), a rectifying circuit (24) and a charging indication circuit (25); the excitation control circuit (23) is used for controlling the current of the excitation coil L1 of the generator (1), adjusting the potentiometer W1 and controlling the current; the rectifying circuit (24) is connected to the generating coils L2, L3 and L4 of the generator (1) and is used for rectifying the voltage output by the generating coils; the charging indication circuit (25) is used for indicating charging.

4. The charging and power supply device for the exercise bicycle as claimed in claim 1 or 2, which has a power generation function, wherein the generator (1) can convert the kinetic energy of the exercise person into electric energy to be stored in the electric storage device (3); the DC-DC converter has the functions of outputting DC 5V and AC 220V, converts the electric energy of the power storage device (3) into DC 5V for output by a DC-DC converter (4), and converts the electric energy of the power storage device (3) into AC 220V for output by an inverter (6).

Images