CN103825321A - Portable multi-mode charging and discharging power supply unit - Google Patents

Abstract

The invention discloses a portable multi-way charging and discharging power supply device. The device is provided with a box body; the outer surface of the box body is provided with a charging plug, a general switch, a control switch, a direct current USB interface, an alternating current socket group and PV modules; a plurality of PV modules are arranged on the outer surface of the box body in a folding mode; and the box body is internally provided with a charging device, a photovoltaic controller, a battery, a hydrogen preparation and storage device, a fuel cell and a discharging device. According to the device provided by the invention, charging can be carried out directly via alternating current of the mains supply, charging can also be carried out through using clean solar energy, electric energy is stored in the battery, hydrogen can still be prepared by using the solar energy in the condition of full battery power, hydrogen is stored, a clean power supply mode of a hydrogen fuel cell can still be used in the absent of sun, and therefore the power supply device can use clean energy in any condition. In addition, as the power supply is provided with two kinds of power output interfaces (alternating current and direct current), power can be provided for various household appliances and digital products, and the portable multi-way charging and discharging power supply device has the advantages that the application range is large, the solar energy can be used maximally, and the device is convenient, quick, clean, environmental friendly, safe and reliable.

Description

Portable multi-mode charging and discharging power supply unit

technical field

The invention relates to a portable power supply device, in particular to a power supply device with multiple batteries, multiple charging and multiple discharging modes.

Background technique

At present, the existing rechargeable mobile power supply devices can only provide low-voltage DC power supply, which can only be used as an external power supply for mobile phones and some digital products, and cannot be used as a power supply for various household appliances using alternating current. Moreover, most of the charging methods only use municipal energy charging, which not only cannot effectively utilize clean energy, but also makes it difficult to replenish the power supply when there is a power outage or outdoors. Now with the improvement of living standards, various electrical appliances have entered all aspects of life. When encountering power outages, power outages or places with limited power (such as student dormitories that prohibit the use of high-power electrical appliances, etc.), people's lives will be very serious. inconvenient. Therefore, in some special cases, people are eager to have a clean, reliable, convenient and multi-purpose mobile power supply device.

Contents of the invention

The purpose of the present invention is to provide a portable power supply device with multiple charging and discharging methods, which can be charged directly by the alternating current of the commercial power, and can be charged by clean solar energy, and then store the electric energy in the storage battery, and When the battery is fully charged, solar energy can still be used to prepare hydrogen and store the hydrogen. In the absence of the sun, hydrogen fuel cells can still be used as a clean power supply method, so this power supply can be used in almost any situation clean energy. And this power supply device has two kinds of power output ports (AC and DC), which can not only supply power for various household appliances but also digital products. It has a wide range of applications, maximizes the use of solar energy, is convenient and fast, clean and environmentally friendly, safe and reliable, etc advantage.

In order to achieve the above object, the technical solution of the present invention is: a portable multi-mode charging and discharging power supply device, which is provided with a casing, and is provided with a charging plug, a master switch, a control switch, a DC USB interface, an AC socket group and Photovoltaic modules, multi-piece photovoltaic modules are folded and arranged on the outer surface of the box, and a charging device, a photovoltaic controller, a battery, a hydrogen storage device, a fuel cell and a discharge device are installed in the box;

The photovoltaic module is connected to the photovoltaic controller, and charges the storage battery through the control switch, the photovoltaic module supplies hydrogen to the fuel cell through the hydrogen storage device, and the output end of the fuel cell is connected to the discharge device through the main switch;

The charging device is composed of a power input port provided with a charging plug and a charger provided with a transformer rectification circuit, the charger charges the storage battery through a control switch; the storage battery is connected to the discharge device through a main switch;

The discharge device is composed of an inverter DC-AC, a converter DC-DC, an AC socket set and a DC USB port, and the output end of the storage battery and the output end of the fuel cell pass through the inverter DC-AC and the AC socket set The output end of the storage battery and the output end of the fuel cell are respectively connected to the direct current USB port through both ends of the converter DC-DC.

The box body of the present invention is also provided with a fuel cell switch, and the hydrogen storage device supplies hydrogen to the fuel cell through the fuel cell switch.

The storage battery of the present invention is connected with a power display meter, and the power display meter is arranged outside the box body.

The box body of the present invention is provided with a handle.

The beneficial effects of the present invention are:

1. The power supply and charging forms are diversified, not only suitable for household appliances, but also for digital products such as mobile phones. It can provide long-term AC and DC power in the case of power failure or power limit, which is convenient and reliable, and can use solar energy to power The battery is charged, and in the absence of the sun, it can still use the hydrogen prepared and stored by the solar energy in advance to switch to the fuel cell power supply system, so this power supply device can use clean energy in almost any environment, and almost does not need to consume electricity. Can maximize the use of clean energy, more clean and environmentally friendly.

2. The photovoltaic module is made into a foldable form, which increases the charging effect and saves space.

3. Use a combination of multiple switches to control the charging method and the discharged battery. When there is a problem with one kind of storage, it will not affect the use of other discharge methods of the power supply. At the same time, the fault location can be accurately judged according to the switch and replaced.

Description of drawings

Fig. 1 is a block diagram of circuit principle of the present invention;

Fig. 2 is the structural representation of casing of the present invention;

In the figure 1. Box body; 2. Main switch; 3. Control switch; 4. Charging plug; 5. Foldable photovoltaic module; 6. Handle; 7. Power display meter; 8. DC USB interface; Group, 10, fuel cell switch.

Detailed ways

As shown in the figure, the portable multi-mode charging and discharging power supply device consists of a box body, a mains charging device, a photovoltaic charging device, a storage battery, hydrogen production equipment, hydrogen storage equipment, fuel cells, an inverter DC-AC, a converter DC- DC, AC socket set (including at least one two-hole socket and one three-hole socket), and DC USB port. The photovoltaic module is placed outside the box and is composed of foldable multi-layer solar panels. Its charging device, storage battery, fuel cell for hydrogen storage device, and discharge device are all installed in the box. The mains charging device of the storage battery is composed of a power input port (with wire plug) and a charger with a transformer rectification circuit, and the photovoltaic charging device of the storage battery is composed of a photovoltaic module and a photovoltaic controller. The hydrogen required by the fuel cell is provided by the solar hydrogen storage device, and the oxygen is provided by the air. The discharge device is composed of inverter DC-AC, converter DC-DC, AC socket group and DC USB port. The two ends of the inverter DC-AC in the discharge device are respectively connected with the battery output port and the AC socket group, and the two ends of the converter DC-DC are respectively connected with the battery output port and the direct current USB port. The AC socket set can provide 220V AC power, and the USB port can provide 5V DC power, and they are all installed on the right side of the cabinet.

The portable multi-mode charging and discharging power supply device has a box body, the upper surface of which is covered with a foldable solar photovoltaic module, and a charging device, a storage battery, a hydrogen production and storage device, a fuel cell and a discharge device are installed inside the box body. The battery charging device includes: photovoltaic modules (outside the box), photovoltaic controllers, chargers and control switches. The fuel cell system includes: photovoltaic modules, hydrogen storage devices, switches, etc. The discharge device includes a main switch, an inverter DC-AC, a converter DC-DC, an AC socket set and a DC USB port. The photovoltaic controller is connected to the output terminal of the photovoltaic module and the input terminal of the battery. The output terminal of the charger is connected to the input terminal of the battery. The input port can be connected to the mains socket through a plug. The control switch can freely select the charging method of the battery. Both the storage battery and the fuel cell have two output ports, which are respectively connected to the input ends of the inverter DC-AC and the converter DC-DC. The output end of the inverter DC-AC is connected to the AC socket group through wires to provide 220V For alternating current, the output terminal of the inverter DC-DC is connected to the direct current USB port to provide 5V direct current. The main switch can control the output or disconnection of the current, and can also choose the way of providing power (battery or fuel cell).

The hydrogen storage device, fuel cell, photovoltaic controller, etc. mentioned in this patent are all existing devices, and the main switch, control switch, switch and other circuits mentioned in this patent all use existing circuits to realize the functions to be realized. .

Claims (4)

1. Portable multi-mode charging and discharging power supply device, equipped with a box (1), on the outer surface of the box (1) is provided with a charging plug (4), a main switch (2), a control switch (3), and a DC USB interface (8), AC socket group (9) and photovoltaic module (5), characterized in that: the multi-piece photovoltaic module (5) is folded and arranged on the outer surface of the box (1), and there is a charging device inside the box (1). devices, photovoltaic controllers, storage batteries, hydrogen storage devices, fuel cells and discharge devices; The photovoltaic module is connected to the photovoltaic controller, and charges the storage battery through the control switch (3), the photovoltaic module supplies hydrogen to the fuel cell through the hydrogen production and storage device, and the output end of the fuel cell is connected to the discharge device through the main switch (2) connect; The charging device is composed of a power input port with a charging plug (4) and a charger with a transformer and rectifier circuit, the charger charges the battery through a control switch; the battery is connected to the discharge device through the main switch (2); The discharge device is composed of an inverter DC-AC, a converter DC-DC, an AC socket set (9) and a DC USB port (8). - the AC is connected to the AC socket group (9), and the output end of the storage battery and the output end of the fuel cell are respectively connected to the DC USB port (8) through both ends of the converter DC-DC. 2. The portable multi-mode charging and discharging power supply device according to claim 1, characterized in that: the fuel cell switch (10) is also provided on the box (1), and the hydrogen storage device sends fuel to the fuel through the fuel cell switch. Hydrogen is supplied in the battery. 3. The portable multi-mode charging and discharging power supply device according to claim 1, characterized in that: the battery is connected to a power display meter (7), and the power display meter (7) is arranged outside the box body (1). 4. The portable multi-mode charging and discharging power supply device according to claim 1, characterized in that: the box body (1) is provided with a handle (6).

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