CN201181857Y - Portable solar mobile power box - Google Patents

Abstract

The utility model discloses a portable solar mobile power supply box, which is composed of a power supply box, a solar receiver part, an inverter, a lead-acid storage battery, a control circuit board and an input/output interface set on the power supply box, wherein the power supply box It further includes a box body, an openable box cover on the box body, a lock and a handle for closing the box body and the box cover, and the lock and handle are all arranged on the front of the power box. The input/output interface is installed on the left side and/or right side of the box body, the solar receiver part is installed between the box cover and the opening and closing opening of the box body, the lead-acid battery, inverter and control The circuit board is installed in the box body. The utility model uses solar energy to provide energy and does not pollute the environment, and is a real green energy; the maintenance cost is low, no need to pull wires, and it is convenient to use. In addition to charging the solar battery panel, it can be carried out by a power adapter when there is conventional electricity. Charging, suitable for any region and any occasion.

Description

Portable solar mobile power box

technical field

The utility model relates to a power supply box, in particular to a multifunctional portable solar mobile power supply box.

Background technique

In our daily life, electricity is an indispensable source of energy. Therefore, many countries and regions are actively promoting the coverage of power grids. However, there are always many areas, especially remote mountainous areas, that cannot be covered by power grids. Therefore, power consumption in remote mountainous areas and outdoor power consumption have always been a difficult problem for people. Therefore, it is a technical problem that people need to solve to develop a power generation system that can generate electricity using solar energy and can be moved.

Utility model content

The technical problem to be solved by the utility model is to provide a multifunctional portable solar mobile power supply box in order to overcome the above-mentioned defects.

In order to solve the technical problems described above, the utility model takes the following technical solutions:

The utility model provides a portable solar mobile power supply box, which is composed of a power supply box, a solar receiver part, an inverter, a lead-acid storage battery, a control circuit board and an input/output interface provided on the power supply box, wherein the power supply box is further It includes a box body, a box cover that can be opened and closed, a lock and a handle for closing the box body and the box cover, and the lock and handle are all installed on the front of the power box. The input/output interface is installed on the left side and/or right side of the box body, the solar receiver part is installed between the box cover and the opening and closing opening of the box body, the lead-acid battery, the inverter and the control circuit The board is installed in the box, and the inverter is used to output AC current and is equipped with over-current protection.

Wherein, the solar receiver component is a monocrystalline silicon solar cell panel, and the monocrystalline silicon solar cell panel is further divided into a first monocrystalline silicon solar cell panel and a second monocrystalline silicon solar cell panel, the first monocrystalline silicon solar cell panel The crystalline silicon solar panel is installed at the opening and closing opening between the box cover and the box body, and the second monocrystalline silicon solar panel is installed at the opening and closing opening between the box body and the box cover.

The control circuit board further includes a single-chip microcomputer circuit, a voltage comparison circuit, an overcharging indicating circuit and a voltage stabilizing circuit.

The voltage of the lead-acid battery is compared with the fixed level by the voltage comparison circuit, and the output signal generated controls the single-chip microcomputer, and then the single-chip microcomputer controls the pull-in of the relay or disconnects the voltage of the inverter to achieve the intelligent control effect. For example, when the voltage of the lead-acid battery drops to 11.0V, the voltage comparison circuit is used to compare its voltage with a fixed level, and the output signal generated is controlled by the single-chip microcomputer circuit to stop the inverter from working. At this time, there is no AC power supply (220V) output, the solar panel receives sunlight and starts charging, and the charging indicator LED lights up. The lead-acid battery outputs a 5.5V DC power supply through a voltage regulator circuit.

The input/output interface includes a DC input interface, a DC output interface and an AC output interface. Among them: the DC input interface can be connected with an external solar panel or a power adapter for inputting 12V DC power; the DC output interface is used for outputting 5.5V DC power; the AC output interface is used for outputting AC mains power, and the mains power is 110V AC power supply or 220V AC power supply.

On the left side of the cabinet, there are charging indicator LEDs, overcharge indicator LEDs, overcurrent indicator LEDs, and AC output indicator LEDs. Charging indicator LED and AC output indicator LED are both Φ5 red LEDs, overcharge indicator LEDs are Φ5 green LEDs, and overcurrent indicator LEDs are Φ5 yellow LEDs.

The monocrystalline silicon solar panel is a monocrystalline silicon solar panel with a rated power of 18V/24W.

The inverter is an inverter for converting DC 12V to AC 110V or AC 220V with an output power of 300W.

A voltage display is arranged on the left or right side of the box body, and the voltage display is a digital display.

Described lead-acid accumulator is the maintenance-free lead-acid accumulator that rated voltage is 12V, capacity is 44AH (milliampere).

The portable solar mobile power supply box provided by the utility model is suitable for various low-power household appliances such as wireless phones, radios, desk fans, desk lamps, portable computers, portable audio and coffee pots, and mobile phones in areas without or lacking alternating current. , electric gas cylinder, TV and other electrical equipment provide power; at the same time, it can charge various digital electronic products such as MP3 and MP4; it also has lighting function, providing strong power guarantee for users in areas without grid coverage.

Compared with the prior art, the utility model has the following advantages: the utility model uses solar energy to provide energy, does not pollute the environment, and is a real green energy source; the utility model has low maintenance cost, does not need to pull wires, and is convenient to use.

In addition to charging with solar panels, this product can also be charged with a power adapter when there is conventional electricity, which is suitable for any region and any occasion.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail:

Fig. 1 is a structural schematic diagram of a first viewing angle of a portable solar mobile power supply box.

Fig. 2 is a schematic structural diagram of the second viewing angle of the portable solar mobile power supply box.

Fig. 3 is a schematic block diagram of the circuit of the portable solar mobile power supply box.

Detailed ways

Please refer to Fig. 1, Fig. 2 and Fig. 3 together. Fig. 1 and Fig. 2 are structural schematic diagrams of different viewing angles of the portable solar mobile power supply box, and Fig. 3 is a circuit schematic diagram of the portable solar mobile power supply box. As shown in the figure: the portable solar mobile power box has a solar receiving part 20, a power box 16, an inverter 21, a maintenance-free lead-acid battery 27, an external interface and a circuit control board 28; the power box 16 further includes a box cover 1 , box body 2, lock catch 3 and handle 5, one side of box cover 1 and box body 2 is fixed by hinge activity, and the other side is fastened by lock button 3; The first monocrystalline silicon solar panel at the opening and closing of the box, the second monocrystalline solar panel installed on the box 2 and at the opening and closing of the box; lead-acid battery 27, inverter 21, circuit control box 28 is installed in the casing 2. The circuit control board also includes a switch 8, a voltage display 6, a voltage comparator circuit 24, a single-chip microcomputer 23, an overcharging indicating circuit 26 and a voltage stabilizing circuit 25, and the battery voltage of the lead-acid storage battery 27 is compared with a fixed level by the voltage comparator circuit 24. In comparison, the generated output signal controls the single-chip microcomputer 23, and then the single-chip microcomputer controls the pull-in or disconnection of the inverter voltage to control the output of the relay 22. When using a 220V AC power supply, the electrical plug can be inserted into the three-pin socket of the AC output interface 9; when charging a mobile phone, MP3, etc., the DC plug can be inserted into the DC output interface 11 for outputting a 5.5V DC power supply. The utility model also includes a DC input interface 10 for inputting 12V DC power externally connected to the solar receiver part, a charging circuit composed of an anti-reverse charge diode D1, an LED charging indicator and a lead-acid battery, so that the machine has an anti-reverse charge function, There is no need to worry about reverse charging once the potential of the lead-acid battery is higher than the charging potential of the solar panel, which reduces the operational burden of use. When connected to the solar panel, the red charging indicator LED 12 is on to indicate charging, and the green overcharge indicator LED 13 is on to indicate that the battery voltage has been saturated. The plug can be removed to effectively prevent the lead-acid battery from being overcharged, so as not to affect the life of the animal battery. .

The voltage of the lead-acid battery is compared with the fixed level through the comparison circuit, and the output signal generated controls the single-chip microcomputer, and then the single-chip microcomputer controls the pull-in of the relay or disconnects the voltage of the inverter to achieve the intelligent control effect. For example: when the voltage of the lead-acid battery is lower than the fixed level value, the output signal generated controls the single-chip microcomputer, so that it outputs a shutdown signal, and the inverter is automatically shut down. This threshold voltage protection device prevents the load from repeatedly starting due to battery voltage rebound, effectively controls the over-discharge of the lead-acid battery, and prolongs the service life of the lead-acid battery. When the inverter is working, the red AC output indicator LED 15 on the leftmost panel of the power box lights up, indicating that the AC 220V output voltage is normal. When the load is short-circuited or the current is too large, the circuit will automatically cut off the output, and the yellow over The flow indication LED 14 lights up.

Although the utility model has been described in detail and has cited embodiments, it is obvious to those skilled in the art that various alternatives, modifications and changes can be made according to the above description, which should be included in the spirit of the claims and within the range.

Claims (9)

1, a kind of portable solar mobile power supply box, it is characterized in that: by power supply box (16), solar receiver part (20), inverter (21), lead-acid storage battery (27), control circuit board (28) and The input/output interface formed on the power supply box (16), wherein the power supply box (16) further includes a box body (1), an openable box cover (2) on the box body, for closing the box body and The lock (3) and handle (5) of the box cover, the lock and the handle are all installed on the front of the power box, and the input/output interface is installed on the left side of the box and/or or the right side, the solar receiver part (20) is installed between the opening and closing of the case cover and the casing, and the lead-acid storage battery (27), the inverter (21) and the control circuit board (28) are installed in the in the box. 2. The portable solar mobile power supply box according to claim 1, characterized in that: the solar receiver part (20) is a monocrystalline silicon solar panel, and the monocrystalline silicon solar panel is further divided into a second A monocrystalline silicon solar cell panel and a second monocrystalline silicon solar cell panel, wherein the first monocrystalline silicon solar cell panel is installed at the opening and closing opening between the case cover and the box body, and the second monocrystalline silicon solar cell panel is installed on the The opening and closing of the box body and the box cover. 3. The portable solar power mobile power box according to claim 1 or 2, characterized in that: the control circuit board (28) further includes a single-chip microcomputer (23), a voltage comparison circuit (24), an overcharge indication circuit (26) and voltage stabilizing circuit (25). 4. The portable solar mobile power supply box according to claim 3, characterized in that: said input/output interface includes a DC input interface (10), a DC output interface (11) and an AC output interface (9). 5. The portable solar power mobile power box according to claim 4, characterized in that: a charging indicator LED (12), an overcharge indicator LED (13), an overcurrent indicator LED (14) are also installed on the left side of the box. ), and AC output indication LED (15). 6. The portable solar mobile power supply box according to claim 2, wherein the monocrystalline silicon solar panel is a monocrystalline silicon solar panel with a rated power of 18V/24W. 7. The portable solar mobile power supply box according to claim 1, characterized in that: said inverter is an inverter converting DC 12V to AC 110V or AC 220V, with an output power of 300W. 8. The portable solar mobile power supply box according to claim 1, characterized in that: a voltage display 6 is placed on the left or right side of the box body. 9. The portable solar mobile power supply box according to claim 1, wherein the lead-acid battery is a lead-acid battery with a rated voltage of 12V and a capacity of 44AH.

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