CN219843756U

CN219843756U - Portable solar LED lamp system

Info

Publication number: CN219843756U
Application number: CN202320906681.2U
Authority: CN
Inventors: 沈林华; 陈佳恩
Original assignee: Ningbo University of Technology
Current assignee: Ningbo University of Technology
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-10-17
Anticipated expiration: 2033-04-21

Abstract

The utility model belongs to the technical field of lithium batteries, and provides a portable solar LED lamp system which comprises a lithium battery pack, a photovoltaic cell panel and an input/output interface module, wherein the photovoltaic cell panel and the input/output interface module are respectively electrically connected with the lithium battery pack; the adjustable booster circuit is provided with a power chip, the output power is adjustable under the control signal of input and output power adjustment, and the adjusted output power is supplied to the LED lamp through the input and output interface module to change the brightness of the LED lamp. The utility model has the advantages that the stability of the output electric quantity is ensured by virtue of the characteristic that the output electric parameter of the lithium battery is stable, the LED lamp is provided with the USB output function, the LED lamp can be powered with stable power, and sufficient illumination is provided. The LED lamp is also provided with a liquid crystal operation display screen, the output power is displayed in real time, the residual electric quantity is displayed in percentage, and the light intensity of the LED lamp is controlled by manually adjusting the output power.

Description

Portable solar LED lamp system

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a portable solar LED lamp system.

Background

The lithium battery is greatly convenient for people to use in daily life, and is supplied to electric equipment to operate through electric quantity transmission. The utility model of the LED lamp provides sufficient illumination for people.

However, in the past, the LED lamp is generally powered by 220V alternating current, so that the LED lamp is difficult to realize that the luminous state is adjustable and continuously and stably works when being carried outdoors for use. The lithium battery pack is used for supplying electric quantity to the LED lamp through a series of processing technologies, but several unavoidable problems are that: 1. when the electric quantity of the lithium battery is exhausted, continuous power supply is difficult to provide, and the LED lamp cannot be stably output; 2. how much of the system residual capacity can not be checked; 3. the output power of the lithium battery cannot be continuously regulated, so that the brightness of the LED lamp is continuously changed; 4. when the lithium battery is transported and carried in daily life, the battery shell is damaged or even internal devices are damaged due to the conditions of collision, water inflow and the like.

Disclosure of Invention

The utility model aims to provide a solar LED lamp system composed of a lithium battery pack and an LED lamp, wherein the lithium battery pack is internally provided with an intelligent chip and is externally connected with a liquid crystal operation display screen with adjustable power, and the solar LED lamp system is used for solving the problems.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a portable solar LED lamp system comprises a lithium battery pack, a photovoltaic cell panel and an input and output interface module, wherein the photovoltaic cell panel and the input and output interface module are respectively and electrically connected with the lithium battery pack; the adjustable boosting circuit is provided with a power chip, the output power is adjustable under the control signal of inputting and adjusting the output power, and the adjusted output power is supplied to the LED lamp through the output interface module to change the brightness of the LED lamp; the system adopts 220V alternating current or charges a lithium battery pack which supplies power to the LED lamp in a solar mode through a photovoltaic cell panel.

Preferably, the adjustable boost circuit further includes an optocoupler, and the optocoupler adjusts the input signal of the power supply chip after receiving the control signal for adjusting the output power, so as to change the output power of the power supply chip.

Preferably, a ballast circuit is also provided within the lithium battery pack, which converts alternating current input from the XT30U port into direct current for storage.

Preferably, the lithium battery pack is fixedly arranged in a transparent shell, the transparent shell is cuboid, a photovoltaic cell panel electrically connected with the lithium battery pack is arranged on a first side surface of the shell, and input and output interfaces are arranged on a second side surface of the shell.

Preferably, the input/output interface comprises an XT30U charging input interface and a USB output interface, both of which are connected with the input/output interface module, and the USB output interface is used for being connected with the LED lamp.

Preferably, a liquid crystal operation display screen is arranged on the third side surface of the transparent shell and is connected with the lithium battery pack and the adjustable boost circuit, and the liquid crystal operation display screen can send a control signal for adjusting the output power to the adjustable boost circuit according to the user requirement while displaying the residual electric quantity and the output power of the lithium battery pack.

Preferably, a layer of absorbent sponge is covered on the inner surface of the transparent shell.

Preferably, a magic tape and a sealing strip are arranged on a fourth side surface of the transparent shell, which is opposite to the photovoltaic cell panel, so that the water absorbing sponge can be replaced at any time.

Preferably, anti-falling air bags are arranged on all corners of the transparent shell.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

(1) According to the utility model, by means of the characteristic that the output electric parameters of the lithium battery are stable, the stability of the output electric quantity is ensured, the USB output function is provided, the LED lamp can be powered with stable power, and sufficient illumination is provided. The LED lamp is also provided with a liquid crystal operation display screen, the output power is displayed in real time, the residual electric quantity is displayed in percentage, and the light intensity of the LED lamp is controlled by manually adjusting the output power.

(2) The lithium battery pack can be directly charged by 220V alternating current from the XT30U input interface, and can also be charged by a flexible solar panel, so that the charging speed is high. If the solar panel is used for charging, the charging is convenient, the distribution of the desirable charging sources is wide, the solar panel is green and environment-friendly, and the solar panel has the characteristics of light weight, flexibility and simplicity in manufacturing.

Drawings

FIG. 1 is a schematic diagram of a solar LED lamp system of the present utility model;

FIG. 2 is a circuit diagram of an adjustable boost circuit in a lithium battery pack of the present utility model;

fig. 3 is a circuit diagram of a ballast circuit in a lithium battery pack of the present utility model;

FIG. 4 is a schematic view of the outer body structure of the present utility model;

fig. 5 is a schematic bottom cross-sectional view of a lithium battery pack case of the present utility model.

In the figure: 1. an XT30U charging interface; 2. a liquid crystal operation display screen; 3. a USB output interface; 4. a photovoltaic cell panel; 5. a heat radiation hole; 6. an LED lamp; 7. a transparent housing; 8. an anti-falling air bag; 9. a magic tape; 10. a sealing strip;

Detailed Description

The following are specific embodiments of the present utility model, and the technical solutions of the present utility model are further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, the utility model provides a portable solar energy LED lamp 6 system, which comprises a lithium battery pack, a photovoltaic cell panel 4 and an input/output interface module, wherein the photovoltaic cell panel 4 and the input/output interface module are respectively and electrically connected with the lithium battery pack; and the adjustable booster circuit is used for adjusting the output power of the lithium battery pack, is provided with a power supply chip, enables the output power to be adjustable under the control signal of inputting and adjusting the output power, and supplies the adjusted output power to the LED lamp 6 through the output interface module so as to change the brightness of the LED lamp 6. A ballast circuit is also arranged in the lithium battery pack to convert 220V alternating current input from the XT30U into direct current for storage and power supply.

The system adopts 220V alternating current or a lithium battery pack powered by the LED lamp 6 in a solar mode through the photovoltaic cell panel 4 to charge.

The lithium battery pack of the solar LED lamp 6 system adopts a 3.7V lithium ion polymer battery core, can be circularly charged for 1000 times, and is internally provided with an advanced intelligent chip, so that the battery can keep a whole-course constant voltage of 1.5V.

The photovoltaic cell panel 4 is connected with a lithium battery pack, the lithium battery pack is charged under the condition of sufficient illumination, the liquid crystal operation display screen 22 is connected with an internal circuit, residual electric quantity and output power are calculated through an algorithm and displayed, and the lithium battery pack is a 18650 lithium battery core with 3-section capacity of 3350 milliampere hour, and the service time is longer.

As shown in fig. 2 and 3, a ballast circuit and an adjustable boost circuit are integrated in the lithium battery, the ballast circuit can convert input alternating current into direct current for storage, the adjustable boost circuit adopts an XL6008 chip, and the output power of the lithium battery can be continuously adjusted through the connection of the internal control and peripheral circuits of the chip.

The adjustable booster circuit further comprises an optical coupler, and the optical coupler adjusts the input signal of the power supply chip after receiving the control signal for adjusting the output power, so that the output power of the power supply chip is changed.

In the adjustable booster circuit, the single-chip microcomputer DAC function is utilized to adjust an XL6008 power supply chip, so that the output voltage is adjustable, and the input port is the output port of the ballast circuit. The XL6008 chip is a DC/DC converter with a wide input range capable of producing either positive or negative output voltages. The XL6008 chip has built-in n-channel power MOSFETs and fixed frequency oscillators, and the current mode architecture can operate stably over a wide range of power and output voltages.

In the ballast circuit, diodes V1-V4 form a rectifier bridge to convert the input alternating current into direct current, and the direct current is converted into high-frequency current by a high-frequency oscillating circuit formed by devices such as triodes V10 and V11, and the high-frequency oscillating circuit is output at an output port, and the output current is directly input into an adjustable booster circuit to be used as a supplied power supply.

As shown in fig. 4 to 5, the lithium battery pack is fixedly disposed in a transparent casing 7, the transparent casing 7 is in a cuboid shape, the photovoltaic panel 4 electrically connected with the lithium battery pack is disposed on a first side surface of the casing, and the input/output interface is disposed on a second side surface. The inner surface of the transparent shell 7 is covered with a layer of water-absorbing sponge.

A liquid crystal operation display screen 2 is arranged on the third side surface of the transparent shell 7 and is connected with the lithium battery pack and the adjustable boost circuit, and the liquid crystal operation display screen 2 can send a control signal for adjusting the output power to the adjustable boost circuit according to the user requirement while displaying the residual electric quantity and the output power of the lithium battery pack.

And a magic tape 9 and a sealing strip 10 are arranged on a fourth side surface, opposite to the photovoltaic cell panel 4, of the transparent shell 7 so as to replace the water absorbing sponge at any time.

The input-output interface comprises an XT30U charging input interface and a USB output interface 3, both of which are electrically connected with the input-output interface module, and the USB output interface 3 is used for being connected with the LED lamp 6. In the initial state, the USB output interface 3 supplies power to the LED lamp 6 with 5V/3A power, and the output efficiency is high.

The lithium battery pack is externally connected with a liquid crystal operation display screen 2, the electric quantity is displayed on the display screen in a percentage display mode, and the output of power can be continuously adjusted through a manual touch button. The novel rechargeable battery provided by the utility model is prepared by purchasing lithium ion polymer battery cells with special sizes and combining the flexible solar panel in the later period, and is widely distributed in light power supply and strong in practicability.

The transparent shell 7 based on TPU material synthesis is adopted, holes are formed in the position of the XT30U charging interface 1 and the USB output interface 3, the anti-falling air bags 8 are further arranged at the corners around the transparent shell to buffer, and the transparent shell 7 is soft, transparent, elastic, oxidation-resistant and not easy to change color, so that the lithium battery pack is protected, the work of a solar panel is not influenced, and a certain decoration effect is achieved.

A layer of water-absorbing sponge is covered in the TPU transparent shell 7 (except for a solar panel part, an input/output part and a liquid crystal operation display screen 2 part), the water-absorbing sponge has good water absorption, and a sealing strip 10 and a magic tape 9 are arranged at the bottom of the transparent TPU shell, so that the inside of the TPU transparent shell is kept dry, and has certain water resistance.

According to the utility model, by means of the characteristic that the output electric parameters of the lithium battery are stable, the stability of the output electric quantity is ensured, the USB output function is provided, the LED lamp 6 can be powered with stable power, and sufficient illumination is provided. The liquid crystal operation display screen 2 is also provided, the output power is displayed in real time, the residual electric quantity is displayed in percentage, and the light intensity of the LED lamp 6 is controlled by manually adjusting the output power.

When the lithium battery is particularly used, the stability of the current output from the USB output interface 3 can be ensured by virtue of the characteristic that the output electric parameters of the lithium battery are stable, and meanwhile, the lithium battery can charge for the lithium battery under the environment with sufficient illumination, can be used while being charged, and ensures the endurance. When no illumination exists or when the illumination is weak, 220V alternating current is used for charging the lithium battery pack from the XT30U interface 1 through the connecting socket. The lithium battery pack has a USB output function, and can supply power to the LED lamp 6 with stable power. The left and right sides are provided with radiating holes 5, so that the temperature of the device can not be too high when the device is used. The utility model has small volume and is easy to carry.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The portable solar LED lamp system is characterized by comprising a lithium battery pack, a photovoltaic cell panel and an input/output interface module, wherein the photovoltaic cell panel and the input/output interface module are respectively and electrically connected with the lithium battery pack; the adjustable boosting circuit is provided with a power chip, the output power is adjustable under the control signal of inputting and adjusting the output power, and the adjusted output power is supplied to the LED lamp through the output interface module to change the brightness of the LED lamp; the system adopts 220V alternating current or charges a lithium battery pack which supplies power to the LED lamp in a solar mode through a photovoltaic cell panel.

2. The portable solar LED lamp system of claim 1, wherein said adjustable boost circuit further comprises an optocoupler, said optocoupler adjusting said power chip input signal upon receiving a control signal to adjust said output power, thereby changing said power chip output power.

3. The portable solar LED light system of claim 1, wherein a ballast circuit is further provided in the lithium battery pack, wherein the ac power charges the lithium battery pack from the XT30U charging input interface, and wherein the ballast circuit converts the input ac power into dc power for storage.

4. The portable solar LED light system of claim 1, wherein said lithium battery pack is fixedly disposed within a transparent housing, said transparent housing having a rectangular parallelepiped shape, a photovoltaic panel disposed on a first side of the housing and electrically connected to said lithium battery pack, and input and output interfaces disposed on a second side.

5. The portable solar LED light system of claim 4, wherein said input and output interfaces comprise an XT30U charging input interface and a USB output interface, both connected to said input output interface module, said USB output interface for connection to an LED light.

6. The portable solar LED lamp system of claim 4, wherein a liquid crystal operation display screen is disposed on the third side of the transparent housing, and is connected to the lithium battery pack and the adjustable boost circuit, wherein the liquid crystal operation display screen is capable of sending a control signal for adjusting the output power to the adjustable boost circuit according to the user's needs while displaying the remaining power and the output power of the lithium battery pack.

7. The portable solar LED light system of claim 4, wherein a layer of water absorbing sponge is covered on the inside surface of the transparent housing.

8. The portable solar LED lamp system of claim 7, wherein said transparent housing is provided with velcro and sealing strips on a fourth side opposite said photovoltaic panel for ready replacement of said water absorbing sponge.

9. The portable solar LED light system of claim 4, wherein said transparent housing has anti-shatter air bags disposed at each corner thereof.