CN200986134Y - Solar table lamp - Google Patents

Abstract

The utility model relates to the technical field of desk lamps, and particularly refers to a solar desk lamp. A solar panel cover and a corresponding battery box are installed on the desk lamp, a circuit board is fixed on the battery box, and the desk lamp can be connected to the mains by inserting a transformer into an external transformer interface DC. The desk lamp is also provided with a manual switch to control an LED light. The desk lamp can be used when there is no sun. The utility model has a simple structure and is easy to assemble. It uses solar energy to provide electricity, is environmentally friendly and energy-saving, and can be used whether there is sun or not. The entire circuit part is detachable for easy replacement.

Description

A solar desk lamp

Technical field:

The utility model relates to the technical field of desk lamps, in particular to a solar desk lamp.

Background technique:

At present, the known rechargeable desk lamps are all charged and used by electric energy chargers, and are not suitable for use in power-deficient areas, field operations or places that are not close to the power grid.

Utility model content:

In order to overcome the above disadvantages, the purpose of this utility model is to provide a desk lamp or a portable lamp charged by a solar charger.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: it includes a base, a lampshade, a sleeve, and electric wires, and the lampshade is installed on the base through the sleeve, and it is characterized in that a solar energy is fixed at the uppermost end of the lampshade. A battery box is also installed on the lampshade, and a circuit board is fixed on the battery box. The lower end of the battery box is also provided with a through hole for installing an LED light. The LED light is installed on the circuit board. The power output end of the solar panel cover A power supply circuit electrically connected to a circuit on a circuit board.

A photosensitive switch is arranged on the solar panel cover.

The base is provided with an external transformer interface DC, and the external transformer interface DC is electrically connected to the power supply circuit on the circuit board.

The circuit on the circuit board is that the power supply circuit is connected to the amplifying circuit, the amplifying circuit is connected to the electronic switch, the electronic switch U1 is connected to 6 LED lights, the power supply circuit is composed of a battery BT1, a solar panel cover SO and an external transformer interface DC, and the amplifying circuit is Transistors Q1, Q2, operational amplifiers U2A, U2B and peripheral circuits composed of resistors and capacitors.

The described circuit is a constant bright circuit, and a manual switch is arranged on the circuit.

A solar panel cover and a corresponding battery box are installed on the desk lamp of the utility model, and a circuit board is fixed on the battery box, and the battery in the battery box is charged through the solar panel cover. The circuit on the circuit board is a constant bright circuit, and the solar panel cover There is a photosensitive switch, which is environmentally friendly and energy-saving. The desk lamp of the utility model can be connected to the mains through the external transformer interface DC, and the battery box can be charged through the mains. At this time, the photosensitive switch is automatically turned off, and the LED light is controlled by the manual switch. Therefore, When there is no sun, the desk lamp can also be used. In addition, the circuit board and each component of the desk lamp of the utility model can be disassembled, so that the broken circuit board and components can be replaced conveniently. The utility model has the advantages of simple structure, convenient assembly, environmental protection and energy saving, and can be used with or without the sun. In addition, the whole circuit part is detachable and convenient for replacement.

Description of drawings:

Accompanying drawing 1 is the structural representation of the utility model;

Accompanying drawing 2 is the circuit schematic diagram of circuit on the utility model circuit board.

Detailed ways:

See accompanying drawing 1 for the embodiment, the solar desk lamp of the present utility model comprises solar panel cover 1, battery box 3, lampshade 7, sleeve pipe 8, base 11, circuit board 2, transformer 14, lampshade 7 is installed on base 11 through sleeve pipe 8 Above, the uppermost end of the lampshade 7 is fixed with a solar panel cover 1, the solar panel cover is provided with a photosensitive switch, the solar panel cover 1 is fixed on the lampshade 7 by screws 6, and a battery is installed on the lampshade 7 box 3, a circuit board 2 is fixed on the battery box 3, and the lower end of the battery box 3 is also provided with a through hole 4 for installing an LED light 12, and the LED light 12 is installed on the circuit board 2, and the upper end of the battery box 3 is connected to the solar panel cover 1 To connect, the power output end of the solar panel cover 1 is electrically connected to the power supply circuit of the circuit on the circuit board 2 .

The base 11 is provided with an external transformer interface DC13, the external transformer interface DC13 is electrically connected to the power supply circuit on the circuit board 2 through the wire in the bushing 8, and the external transformer interface DC13 can be connected with the transformer 14, thereby connecting the desk lamp with the The commercial power is connected, and the battery case 3 is charged by the commercial power.

A backing plate 5 is provided between the solar panel cover 1 and the lampshade 7, the upper end of the sleeve 8 is placed in the through hole in the middle of the battery box 3, the lower end of the sleeve 8 is placed on the plastic cylinder 10, and the plastic cylinder 10 passes through the nut 9 is fixed on the base 11.

The circuit is a constant bright circuit, and a manual switch is provided on the circuit, and the LED lamp 12 can be controlled by the manual switch.

The circuit on the circuit board 2 is a power supply circuit connected to an amplifying circuit. As shown in Figure 2, the amplifying circuit is connected to an electronic switch, and the electronic switch U1 is connected to 6 LED lights. The power supply circuit is composed of a battery BT1, a solar panel cover SO and an external transformer interface DC. The amplifying circuit is transistors Q1, Q2, operational amplifiers U2A, U2B and peripheral circuits composed of resistors and capacitors.

The above are only preferred embodiments of the utility model, so all equivalent changes or decorations made according to the structure, features and principles described in the utility model patent scope are included in the utility model patent scope .

Claims (5)

1, a kind of solar energy desk lamp, it comprises base (11), lampshade (7), sleeve pipe (8), lampshade (7) is installed on the base (11) by sleeve pipe (8), it is characterized in that: the top of described lampshade (7) is fixed with solar panels lids (1), a battery case (3) also is installed on this lampshade (7), be fixed with circuit board (2) on the battery case (3), this battery case (3) lower end also offers the through hole (4) that LED lamp (12) is installed, LED lamp (12) is installed on the circuit board (2), and the electric energy output end of solar panels lids (1) is electrically connected to the power supply circuits that circuit board (2) is gone up circuit.

2, a kind of solar energy desk lamp according to claim 1 is characterized in that: described solar panels lids (1) are provided with photosensitive switch.

3, a kind of solar energy desk lamp according to claim 1, it is characterized in that: described base (11) is provided with external transformer interface DC (13), and external transformer interface DC (13) is electrically connected to the power supply circuits on the circuit board (2).

4, a kind of solar energy desk lamp according to claim 1, it is characterized in that: the circuit on the described circuit board (2) is that power supply circuits connect amplifying circuit, amplifying circuit connects electronic switch, electronic switch U1 connects 6 LED lamps, power supply circuits are battery BT1 and solar panels lid SO and external transformer interface DC composition, and amplifying circuit is that triode Q1, Q2 and operational amplifier U2A, U2B reach the peripheral circuit of being made up of resistance and electric capacity.

5, according to claim 1 and 4 described a kind of solar energy desk lamps, it is characterized in that: described circuit is permanent brightening circuit, and circuit is provided with hand switch.

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