CN216437149U

CN216437149U - Portable combined solar power supply

Info

Publication number: CN216437149U
Application number: CN202123042878.6U
Authority: CN
Inventors: 马东浩; 李青松
Original assignee: SHENZHEN SUNSHINE ELECTRONICS CO Ltd
Current assignee: SHENZHEN SUNSHINE ELECTRONICS CO Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-03
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses a portable combination formula solar power supply, including polylith solar cell panel, a current-voltage digital display and output function box and annex, the portable package of a solar power supply. The plurality of solar panels can be connected in series and in parallel by the convex snap fasteners and the concave snap fasteners according to the requirements of electric appliances to form a solar cell array. The output of the solar cell array is applied to a current and voltage digital display and output function box, two DC5V USB output sockets and one DC socket which is directly connected with the solar cell array are arranged on the function box, and the three output sockets can be used by electric appliances. The digital display voltage and current meter on the functional box can display the output voltage of the solar cell array and the load current at any time.

Description

Portable combined solar power supply

Technical Field

The utility model relates to a solar power supply, concretely relates to portable solar power supply belongs to solar energy technical field.

Background

Some portable solar power supplies on the market currently have the problems of low output power and single output voltage, and can only carry out emergency charging on part of electric appliances which accord with the output voltage of the solar power supplies. Some output power is slightly larger, the output voltage is single, if power supply or charging is needed to be carried out on electrical appliances with different voltages, voltage rising and voltage falling are needed, and under the condition that the difference between the voltage rising and the voltage falling is large, the solar energy is wasted due to low efficiency. Besides single output voltage, some high-power solar power supplies with storage battery energy storage devices need to power or charge electrical appliances with different voltages, and need to increase and decrease voltage, and are inconvenient to carry due to overlarge weight, which can not completely meet various requirements of field workers and tourism expedition personnel. With the development of the electronic technology at present, electrical appliances are miniaturized and low in power consumption, and most of the electrical appliances are provided with small lithium batteries, so that the solar power supply is possible to reduce the weight without a storage battery energy storage device.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a portable combination formula solar power supply, total power is great, can export the voltage of four kinds of different amplitude, can be used to charge with the non-emergency routine of electrical apparatus with practical, only uses and rises, step-down module, because rise, step-down difference are little and efficient, light in weight, portable. The specific technical scheme is as follows

The device comprises a plurality of solar cell panels, a current and voltage digital display and output functional box and accessories thereof, and a portable bag; the solar cell panels are connected in series and in parallel by the convex and concave snap fasteners according to the requirements of the electric appliances to form a solar cell array; the output of the solar cell array is applied to a current and voltage digital display and output function box, three output sockets are arranged on the function box for electric appliances, wherein two DC5V USB output sockets and one DC socket which is directly connected with the solar cell array; a digital display voltage ammeter on the functional box displays the output voltage of the solar cell array and the load current at any time; the photovoltaic input lead of the current and voltage digital display and output functional box adopts a four-core flat cable and is connected to the end of the lead of the solar cell array by a convex button and a concave button.

Advantageous effects

The utility model has the characteristics of it is following:

1. a solar panel manufactured by a non-glass lamination packaging process;

2. the solar cell panels with the same electrical parameters can form solar cell arrays with different voltages and currents through different combinations of series connection and parallel connection of the solar cell panels according to requirements;

3. the series and parallel connection mode of the solar panel and the lead output mode are connected by adopting metal conductive snap fasteners;

4. the electric energy of the solar cell array is output by output sockets of different output circuits according to different output requirements;

5. the display device has the display function of the voltage and the output current of the solar cell array.

The utility model discloses solar panel total power is great, can export the voltage of 4 kinds of different amplitude, can be used for the emergent conventional of non-of electrical apparatus to charge and use, uses rise, step-down module, because rise, step-down difference is less and efficiency is higher to overall weight is light, portable.

Drawings

Fig. 1 is a schematic circuit diagram of an embodiment of the present invention.

The solar cell array 10 is formed by connecting solar panels in series and parallel to output different voltages and currents according to requirements.

The inside of the current and voltage digital display and output function box 20 is composed of four circuit units, namely a DC digital display voltage ammeter 201, a DC5V buck-regulator and USB output socket 202, a CD socket 203, a DC5V buck-regulator and USB output socket 204.

The DC digital display voltmeter 201 can display the output voltage and current of the solar cell array 10.

The DC5V buck-regulator and

USB output sockets

202 and 204 can buck-regulate the output voltage of the solar cell array 10 to DC5V, which is output by the USB socket for use and charging by the electrical appliance using DC 5V.

The output of the CD socket 203 is the direct output of the solar cell array 10, which can be used and charged by other appliances with different voltages and different purposes in cooperation with the appropriate accessories 30.

The accessories 30 are various switching plugs or circuit modules that can be directly plugged into the CD jack 203 to adapt to various electrical appliances with different voltages and electrical appliances with different purposes for use and charging.

Fig. 2 is a schematic view of a solar panel according to an embodiment of the present invention;

a-a convex buckle (with the convex surface facing upwards) of the anode of the solar panel;

b, convex buckle (convex surface up) of solar panel negative pole;

c-solar panel positive concave buckle (concave surface down);

d-solar panel negative concave button (concave surface down);

e-hanging holes.

Fig. 3. the utility model discloses current and voltage digital display and output function box sketch map:

1-function box input red lines with concave buttons at ends, two in total, for connecting with the sun

The positive pole of the battery array is convexly buckled;

2-a current and voltage digital display and output functional box which is internally provided with a functional circuit board;

the 3-DC5V/2.4A USB output socket is used for supplying power or charging the electric appliance of the DC5V power interface;

4-direct current voltage digital display meter, which can display the output voltage of the solar battery array at any time;

the 5-DC5V/2.4A USB output socket is used for supplying power or charging power for an electric appliance of the DC5V power interface;

6-direct current digital display meter, which can display the output current of the solar cell array at any time;

the 7-DC output socket is directly connected with the battery array, and can supply power or charge corresponding electric appliances by plugging different adapters or modules;

and 8-functional boxes with concave buttons at the ends are provided with two input black lines and are used for connecting and connecting the solar cell array cathode convex buttons.

Fig. 4 is a schematic view of the hook according to the embodiment of the present invention:

the hook is used for hanging the solar cell array when the system is used so as to prevent the solar cell array from being broken.

Fig. 5 is a schematic diagram of the solar power supply portable bag of the embodiment:

firstly, carrying a bag handle;

② a portable bag body zipper;

a portable bag body, wherein the inside of the bag body is used for accommodating a solar cell panel;

fourthly, zipper of side bag;

the side bag body is used for containing a current and voltage digital display and output functional box and other accessories.

Fig. 6 is a schematic diagram of the connection of the components when the embodiment of the present invention is applied:

a-a solar panel (or solar array);

b-DC5V electrical equipment;

c-a current and voltage digital display and output function box;

d-current and voltage digital display and output function box power supply photovoltaic input four flat cables;

an e-DC converter head;

f-removing DC5V-18V electric appliances;

g-DC5V is used as an electrical appliance.

Fig. 7 is the embodiment of the present invention provides an electrical connection diagram of a solar cell panel:

a-a solar panel;

and D-current and voltage digital display and output function box power supply photovoltaic input four flat cables.

Fig. 8 is the embodiment of the present invention provides an electrical connection schematic diagram of two solar panels connected in parallel:

a-a solar cell array with two solar cell panels connected in parallel;

Fig. 9 is the electric connection schematic diagram of two solar panels connected in series of the embodiment of the utility model:

a-a solar cell array with two solar cell panels connected in series;

Fig. 10 is an electrical connection schematic diagram of two solar panels connected in parallel and in series according to the embodiment of the present invention:

a-two parallel and two serial solar cell arrays of four solar cell panels;

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

1-5, a portable combined solar power supply, comprising:

1. and four 6V/10W solar panels.

Solar panels were laminated onto the copper foil-free surface of a 1.5mm thick epoxy glass cloth single-sided copper foil PCB board using a single crystal silicon photovoltaic chip, as shown in figure 2:

the output of the solar panel is output through the metal connecting snap fastener. The metal connecting snap fastener is specially made, and has a large contact surface and a small contact resistance, the convex button is a positive electrode, and the concave button is a negative electrode.

2. A current and voltage digital display and output function box.

The current and voltage digital display and output function box can display the output voltage and current of the solar panel or the solar array. The solar cell array has a DC socket for direct output of the solar cell array and two USB output sockets for DC5V/2.4A, and the solar cell array input line (photovoltaic input line) adopts two red and two black four-core flat cables, as shown in figure 3.

3. A connection conversion plug, a module accessory and a hook.

The multifunctional plug is used for various connecting plugs suitable for DC socket connection conversion and accessories of functional modules (such as charging or super quick charging modules for mobile phones and charge pencils).

The hook can be used to hang the solar cell array as shown in fig. 4.

4. Portable bag

For portability, the entire portable combined solar power unit and accessories are contained in a portable handbag, as shown in fig. 5.

The solar cell panel display box is very convenient to use, only the solar cell panels are combined in series and in parallel according to the requirements of electric equipment, the voltage value can be displayed on the power input lead socket connecting function box of the output and current and voltage digital display and output function box, and then the current value can be displayed by inserting the electric equipment into the corresponding output socket function box, as shown in fig. 6.

Second, the solar energy combination array that four solar cell panel of this embodiment can constitute is:

1-1, a solar panel:

as shown in FIG. 7, the output of a solar panel is 10W/6V/1.67A. The red line concave button on the power input lead of the functional box is connected to the positive pole convex button of the solar cell panel in a pressing mode, and the black line concave button is connected to the negative pole convex button of the solar cell panel in a pressing mode.

1-2, connecting two solar panels in parallel:

the two solar panels are connected in parallel, and are buckled and connected according to the convex and concave parts at the joint of the figure 8, and the output is 20W/6V/3.33A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode.

1-3, connecting three solar panels in parallel:

three solar panels are connected in parallel, the convex and concave buckles at the connecting parts are connected in a pressing mode in the same way as the parallel connection mode in the figure 8, and the output is 30W/6V/5A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode.

1-4, connecting four solar panels in parallel:

the four solar panels are connected in parallel, the convex and concave buckles at the connecting parts are connected in a pressing way in the same way as the parallel connection mode of the solar panel in the figure 8, and the output is 40W/6V/6.67A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode.

1-5, connecting two solar panels in series;

the two solar panels are connected in series, and are connected in a convex and concave buckling manner according to the connection position of the figure 9, and the output is 20W/12V/1.67A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the second solar cell panel in a pressing mode.

1-6, connecting three solar panels in series;

three solar panels are connected in series, the convex and concave buckles at the connection part are connected in a pressing way in the same way as the series connection mode shown in the figure 9, and the output is 30W/18V/1.67A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the third solar cell panel in a pressing mode.

1-7, connecting four solar panels in series;

the four solar panels are connected in series, the convex and concave buckles at the connection positions are connected in a pressing mode in the same way as the series connection mode in the figure 9, and the output is 40W/24/1.67A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel, and the black line concave buckle is connected to the positive pole convex buckle of the fourth solar cell panel.

1-8, connecting two solar panels in parallel and connecting two solar panels in series;

the four solar panels are connected in series and in parallel, are connected in a convex-concave buckling manner according to the connection position of the figure 10, and the output is 40W/12V/3.33A. The red line concave buckle on the power input lead of the functional box is connected to the positive pole convex buckle of the first solar cell panel in a pressing mode, and the black line concave buckle is connected to the positive pole convex buckle of the third solar cell panel in a pressing mode.

Thirdly, the current and voltage digital display and output function box of the embodiment has an output port:

1) the two DC5V/2.4A USB output sockets can be a mobile phone, a charger baby, a radio, a calling device,

And a direct current fan, a flashlight, a direct current illuminating lamp and the like are used for supplying power or charging.

2) The DC output socket is directly connected with the output of the solar array regardless of the serial and parallel connection mode of the solar panels in the solar combination. Different adapters are inserted into the DC output socket to supply power or charge corresponding electric appliances, the DC5V DC voltage reduction and stabilization module can provide output of the DC5V USB socket, and the DC5V DC voltage reduction and stabilization module can provide output of the quick charging USB socket.

Claims

1. A portable combined solar power supply, comprising: the device comprises a plurality of solar cell panels, a current and voltage digital display and output functional box and accessories thereof, and a portable bag;

the solar cell panels are connected in series and in parallel by the convex and concave snap fasteners according to the requirements of the electric appliances to form a solar cell array; the output of the solar cell array is applied to a current and voltage digital display and output function box, three output sockets are arranged on the function box for electric appliances, wherein two DC5V USB output sockets and one DC socket which is directly connected with the solar cell array; a digital display voltage ammeter on the functional box displays the output voltage of the solar cell array and the load current at any time;

the photovoltaic input lead of the current and voltage digital display and output functional box adopts a four-core flat cable and is connected to the end of the lead of the solar cell array by a convex button and a concave button.

2. The solar power supply of claim 1, wherein said solar panel has mounting holes at each of four corners for hanging by a hook.

3. The solar power supply of claim 1, wherein the solar panel is folded flat by male and female snap fasteners, and is packed into a portable bag together with the current and voltage digital display and output functional box and accessories.

4. The solar power supply of claim 1, wherein said male and female snap fasteners are metal.