CN204145061U - Utilize solar energy and human body mechanical energy to the device of mobile phone boost charge - Google Patents

Abstract

The utility model relates to a device for supplementing and charging a mobile phone by using solar energy and human body mechanical energy. The device can convert energy and light energy generated through natural movement when a person carries a mobile phone into electrical energy that can be used by the mobile phone. The mechanical energy generating device in the device is equipped with an eccentric wheel, and the eccentric wheel swings at the same time when the human body moves, and after being amplified by the meshed gear sequence, it drives the generating coil group to rotate and generate electricity; at the same time, the device is also equipped with a solar power generating device to capture Solar energy to generate electricity. The two kinds of electric energy are supplied to the mobile phone battery after a series of rectification and amplification. The utility model has the advantages of energy saving, environmental protection, convenient use, high energy utilization and the like.

Description

A device that uses solar energy and human mechanical energy to recharge mobile phones

Technical field:

The utility model relates to the field of mobile phone charging, in particular to a device for charging mobile phones by converting energy and light energy generated during human body movement into electrical energy.

Background technique:

At present, large-screen smartphones account for a large share of the mobile phone market. However, smartphones consume a lot of power and the battery life of mobile phones is too short, which plagues many users and greatly reduces the user experience.

Kinetic energy of the human body is the energy generated during the movement of the human body, which can be converted into electrical energy to charge the mobile phone. As a new energy source, light energy has the advantages of zero cost, clean and pollution-free, so the two are combined to use the mobile phone to follow the human body to swing The energy generated and the energy generated by light are converted into electric energy to supply mobile phones, which has the significance of saving energy. The utility model patent application with the application number CN03213059 also discloses a human body kinetic energy battery. Using the principle of electromagnetic induction, when the human body moves, the magnetic block moves in the coil casing to cut the magnetic induction line to generate electricity, and after rectification, it charges the mobile phone battery; The utility model patent application with the application number CN200920255713 has improved the above-mentioned patent by increasing the rate of change of magnetic flux in the above-mentioned patent.

The problem of the above technology is: limited by the volume of the battery, the trajectory of the coil is fixed within a small range, and the movement of the coil is limited and cannot reach a certain speed. Therefore, the generated electric energy is very small and has no industrial value.

Invention content:

The purpose of this utility model is to propose a device that utilizes human body kinetic energy and light energy to supplement and charge a mobile phone, including a housing, a solar power generation device, a mechanical power generation device, a rectification and voltage stabilization circuit, an input protection circuit, a lithium battery, a trigger and a power measurement circuit ;

The electric energy output terminal of the mechanical energy generating device is connected to the input terminal of the rectifying voltage stabilizing circuit, the output voltage of the solar power generating device is filtered and then connected to the output terminal of the rectifying voltage stabilizing circuit, and the output terminal of the rectifying voltage stabilizing circuit is the power generation output terminal;

The output terminal of the power generation is connected to the input terminal of the input protection circuit, and the battery interface of the input protection circuit is connected to the charging terminal of the lithium battery; the trigger and power measurement circuit is connected to the charging terminal of the lithium battery; the output terminal of the trigger and power measurement circuit is used as the overall device output.

The mechanical power generation device includes an eccentric wheel, a gear sequence, and a power generation coil group; wherein, the eccentric wheel has a semicircular structure, and there is an outward pointed protrusion at the center of the circle, and a fixed rotating shaft is installed in the through hole in the middle of the eccentric wheel, which is compatible with the gear sequence. The through holes of the large gears are connected. When the eccentric wheel rotates, it drives the rotating shaft to rotate, thereby driving the large gear in the gear sequence. The gear sequence includes two gears, one large and one small. The two gears mesh, the large gear is driven by the eccentric wheel, and the small gear The gear is connected with the generator coil set.

The trigger and power measurement circuit includes a threshold trigger circuit, a power measurement circuit and a charging circuit.

The solar power generation device 2 and the mechanical power generation device 3 are located side by side on the leftmost side of the housing 1, the rectification and voltage stabilization circuit 4 is located on the right side of the solar power generation device 1 and the mechanical power generation device 2 in the housing 1, and the lithium battery 5 is located in the housing The rectification and voltage stabilization circuit and the 4 input protection circuit modules are on the right side of the body 1, and the trigger and power measurement circuit 6 is located on the far right side of the body 1.

Beneficial effects of the utility model: the utility model converts energy and light energy generated through natural movement when people carry a mobile phone into electrical energy that can be used by the mobile phone. The eccentric wheel in the mechanical device swings at the same time when the human body moves, and the magnetic charge is generated through the amplification of the gear sequence to drive the generator coil group to generate electric energy. At the same time, there are solar panels in the device to capture solar energy and generate electric energy at the same time. After rectification and amplification, it is supplied to the mobile phone battery. It has the advantages of energy saving and environmental protection, convenient use, high energy utilization and so on.

Description of drawings:

Fig. 1 is a schematic diagram of the connection relationship of each device in the mobile phone supplementary charging device;

Fig. 2 is a structural schematic diagram of a mobile phone supplementary charging device;

Figure 3 is an exploded view of the mechanical power generating device;

Fig. 4 is the circuit diagram of the rectifying voltage stabilizing circuit;

Fig. 5 is a circuit diagram of the input protection circuit;

Figure 6 is a circuit diagram of the power measurement circuit

Labels in the figure: 1-housing, 2-solar power generation device, 3-mechanical power generation device, 4-rectification and voltage stabilization circuit, 5-lithium battery, 6-trigger and power measurement circuit, 7-eccentric wheel, 8-connection gear Sequence, 9-generator coil set. the

Detailed ways:

The utility model provides a device for supplementary charging of a mobile phone. The device can assist the light energy received by a solar panel to be stored in a lithium battery through rectification and voltage stabilization according to the energy generated in the movement of the human body such as walking and arm swinging. When the power of the device to be charged is insufficient, the electric energy in the lithium battery is supplied to the device to be charged through the charging circuit to increase its battery life.

As shown in Figure 1, it is the connection relation of each device in the supplementary charging device for mobile phones; the supplementary charging device for mobile phones includes housing 1, solar power generation device 2, mechanical power generation device 3, rectification and voltage stabilization circuit and input protection circuit module 4, lithium Battery 5, triggering and power measurement circuit 6; the electric energy output end of mechanical energy generating device 3 is connected to the input end of rectifying voltage stabilizing circuit 4, and the output voltage of solar power generating device 2 is connected with the output end of rectifying voltage stabilizing circuit 4 after simple filtering connected as the power generation output terminal; the power generation output terminal is connected to the charging terminal of the lithium battery 5, and the electric energy is stored in the lithium battery 5 after being rectified, filtered, and stabilized, and the output terminal of the lithium battery is connected to the trigger and power measurement circuit 6, and finally Connect the output terminal of the trigger and power measurement circuit 6 with the charging terminal of the device to be charged to realize the function of supplementary charging.

As shown in Fig. 2, it is the structure of the supplementary charging device for the mobile phone; the solar power generation device 2 and the mechanical power generation device 3 are arranged side by side on the leftmost side inside the housing 1, and the rectification and voltage stabilization circuit 4 is located inside the housing 1, and the solar power generation device 1, On the right side of the mechanical power generation device 2, the lithium battery 5 is located inside the casing 1, on the right side of the rectifying and stabilizing circuit 4, and the trigger and power measurement circuit 6 is located on the far right inside the casing 1.

As shown in Figure 3, it is an exploded diagram of a mechanical power generation device; the eccentric wheel has a semicircular structure, and there is an outward pointed protrusion at the center of the circle. The holes are connected. When the eccentric wheel rotates, it drives the rotating shaft to rotate, thereby driving the large gear in the gear sequence. The gear sequence includes two gears, one large and one small, and the two gears mesh. The large gear is driven by the eccentric wheel, and the small gear is connected to the generator coil. 9 connected. Eccentric wheel Eccentric wheel. When the device moves with the human body, the eccentric wheel 7 rotates to drive the gear sequence 8 to rotate. When the speed of the gear sequence 8 reaches a certain value, it will drive the generating coil group 9 to generate electricity, and finally the electric energy is delivered to the rectifying and stabilizing circuit 4 through the output terminal.

As shown in Figure 4, it is the circuit diagram of the rectification and voltage stabilization circuit; the input terminal Ui is connected to the current flowing out of the mechanical power generation device 2, which flows through the bridge rectifier tube and becomes direct current, and then passes through the multiple capacitor banks composed of C1~C6 Filter, filter out harmonic components, and finally output a relatively stable voltage through the Zener diode VDZ. The rectifying and stabilizing circuit 4 can realize the function of providing stable and continuous charging current to the lithium battery 5 after the unstable and fluctuating charging current is rectified, filtered and stabilized.

As shown in Figure 5, it is the circuit diagram of the input protection circuit, in which the P+ terminal and P- terminal are connected to the total output terminal of the rectification and voltage stabilization circuit, and the BATTERY terminal is connected to the lithium battery. The protection circuit consists of two MOSFETs (V1, V2) and It consists of a control IC (N1) plus resistance-capacitance components. The control IC, the optional model is R5421, monitors the battery voltage and loop current, and controls the gates of two MOSFETs. The MOSFETs play a switch role in the circuit and control the on and off of the charging loop and the discharging loop respectively. C9 As a delay capacitor, the circuit has overcharge protection, overdischarge protection, overcurrent protection and short circuit protection functions, making the charging process of the lithium battery more stable.

As shown in Figure 6, it is the circuit diagram of the power measurement circuit; the input voltage is connected to the output terminal of the battery of the mobile phone, the comparison voltage can be optionally set to 25% of the saturation value of the mobile phone power, and the output terminal converts the compared high and low level results into digital signals Output, through the digital signal controller to control the switch of the charging circuit connected to the lithium battery and the mobile phone battery to realize the charging process of the mobile phone battery. The power measurement circuit can reflect the remaining battery capacity of the mobile phone connected to the output terminal in real time. When the battery power percentage of the mobile phone is less than a certain range (such as 25%), the trigger circuit is activated, the charging circuit is turned on, and the power is transferred from the lithium battery to the mobile phone battery.

Claims (4)

1. A device that utilizes solar energy and human body mechanical energy to supplement and charge a mobile phone, characterized in that it includes a housing, a solar power generation device, a mechanical power generation device, a rectification and voltage stabilization circuit, an input protection circuit, a lithium battery, a trigger and a power measurement circuit; The electric energy output terminal of the mechanical energy generating device is connected to the input terminal of the rectifying voltage stabilizing circuit, the output voltage of the solar power generating device is filtered and then connected to the output terminal of the rectifying voltage stabilizing circuit, and the output terminal of the rectifying voltage stabilizing circuit is the power generation output terminal; The output terminal of the power generation is connected to the input terminal of the input protection circuit, and the battery interface of the input protection circuit is connected to the charging terminal of the lithium battery; the trigger and power measurement circuit is connected to the charging terminal of the lithium battery; the output terminal of the trigger and power measurement circuit is used as the overall device output. 2. The device according to claim 1, wherein the mechanical power generation device comprises an eccentric wheel, a gear sequence, and a generator coil group; wherein, the eccentric wheel has a semicircular structure, and there is an outward pointed protrusion at the center of the circle The through hole in the middle of the eccentric wheel is equipped with a fixed rotating shaft, which is connected with the through hole of the large gear in the gear sequence. When the eccentric wheel rotates, it drives the rotating shaft to rotate, thereby driving the large gear in the gear sequence. Two gears are meshed, the large gear is driven by the eccentric wheel, and the small gear is connected with the generator coil group. 3. The device according to claim 1, wherein the trigger and power measurement circuit comprises a threshold trigger circuit, a power measurement circuit and a charging circuit. 4. The device according to claim 1, characterized in that, the solar power generation device (2) and the mechanical power generation device (3) are located on the leftmost side of the housing (1) side by side, and the rectification and voltage stabilization circuit (4) Located on the right side of the solar power generation device (1) and mechanical power generation device (2) inside the housing (1), the lithium battery (5) is located in the rectification and voltage stabilization circuit and (4) input protection circuit module inside the housing (1) On the right side, the trigger and power measurement circuit (6) is located on the far right inside the casing (1).