CN216345977U

CN216345977U - High-efficiency energy-saving white light LED device

Info

Publication number: CN216345977U
Application number: CN202122920235.0U
Authority: CN
Inventors: 王峰; 赵海琴
Original assignee: Suzhou Ruiermei Photoelectric Technology Co ltd
Current assignee: Suzhou Ruiermei Photoelectric Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-04-19
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses an efficient energy-saving white light LED device which comprises a white light LED light-emitting module, wherein a transparent lampshade is arranged above the white light LED light-emitting module, a double-sided solar cell module is arranged at the top of the lampshade, the double-sided solar cell module is formed by connecting a plurality of double-sided solar cells in series and parallel, a reflecting layer is arranged on the lower surface of each double-sided solar cell, the double-sided solar cell module is connected with a built-in storage battery, and the built-in storage battery is also connected with the white light LED light-emitting module. The double-sided solar cell module is adopted, so that the light receiving area of the solar panel is greatly increased, meanwhile, the light emitted by the white light LED light emitting module can be collected for power generation, part of light is recycled, and the double-sided solar cell module has the advantages of high efficiency and energy conservation.

Description

High-efficiency energy-saving white light LED device

Technical Field

The utility model belongs to the technical field of LED illumination, and particularly relates to a high-efficiency energy-saving white light LED device combining solar energy application and LED solid illumination.

Background

In recent years, white light LED lighting fixtures are widely used in the fields of indoor lighting, automobile lighting, outdoor lighting, and the like, and LEDs are widely used as high-quality light sources to replace traditional lighting sources such as incandescent lamps, fluorescent lamps, halogen lamps, and the like due to their advantages of high efficiency, high brightness, small size, long service life, low power consumption, environmental protection, and the like.

It is well known that white LEDs are very harsh in their direct lighting, which greatly reduces the user experience and needs improvement.

At present, outdoor solar lighting device's patent is also more, but all can collect the solar photovoltaic power generation on daytime, for example the utility model discloses a utility model patent that publication number is CN 202791769U discloses a multi-functional outdoor solar energy messenger's lamp, including dress trim seat and lamps and lanterns, pass through connection of electric lines between lamps and lanterns and the dress trim seat, dress trim seat top is by a plurality of chain laps, dress trim seat up end lock joint has solar panel, and built-in battery and the controller have between solar panel and the dress trim seat, solar panel is connected with the input of battery, and the output of battery is connected with controller and lamps and lanterns respectively. The outdoor solar lamp can only collect sunlight for power generation in the daytime and is limited by the size of the lamp, the area of the solar panel is very limited, and the stored electric energy is very limited.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, the present invention aims to: the utility model provides a high-efficient energy-saving white light LED device has adopted two-sided solar cell module, greatly increased solar panel's photic area, can collect the light that white light LED light emitting module self sent simultaneously again and generate electricity, gets up partial light reutilization, has high-efficient energy-saving advantage.

The technical scheme of the utility model is as follows:

the utility model provides a high-efficient energy-saving white light LED device, includes white light LED light emitting module, white light LED light emitting module's top is provided with transparent lamp shade, the top of lamp shade is provided with two-sided solar cell module, two-sided solar cell module comprises the two-sided solar cell piece series-parallel connection of polylith, the lower surface of two-sided solar cell piece is provided with the reflector layer, two-sided solar cell module is connected built-in battery, built-in battery still is connected with white light LED light emitting module.

In a preferred technical scheme, the white light LED light emitting module includes a heat dissipating aluminum substrate and a plurality of white light LED chips arranged on the heat dissipating aluminum substrate in an array, wherein a series-parallel copper foil circuit layer and a welding window area for positive and negative leads of the white light LED chips are arranged on the upper surface of the heat dissipating aluminum substrate, and the welding window area for the positive and negative leads are connected in series and parallel through a copper foil circuit.

In a preferred technical scheme, the double-sided solar cell comprises a P-type doping structure layer, an upper N-type diffusion layer and a lower N-type diffusion layer are diffused on the upper surface and the lower surface of the P-type doping structure layer, and a metal N-type electrode and an N-type gate electrode are arranged on the upper N-type diffusion layer and the lower N-type diffusion layer in a printing mode.

In the preferred technical scheme, the corners of the upper N-type diffusion layer and the lower N-type diffusion layer are further provided with P-type electrode window regions, the P-type electrode window regions on the upper N-type diffusion layer and the lower N-type diffusion layer penetrate through the upper N-type diffusion layer and the lower N-type diffusion layer to reach the P-type doped structure layer, and P-type electrode conductive materials are filled in the P-type electrode window regions in a printing mode.

In the preferred technical scheme, the double-sided solar cell is clamped and fixed by an upper transparent substrate and a lower transparent substrate, and the lower transparent substrate is provided with a reflecting layer.

In a preferred technical scheme, a charging overload protection device is connected between the double-sided solar cell module and the built-in storage battery, and when the electric quantity of the built-in storage battery exceeds a set threshold value, a charging circuit is disconnected.

In the preferred technical scheme, a timing power supply control switch is connected between the white light LED light-emitting module and the built-in storage battery.

In a preferred technical scheme, a plurality of concave lenses are uniformly distributed on the inner side surface of the transparent lampshade.

In a preferred technical scheme, a battery mounting opening is formed below the white light LED light-emitting module, and the built-in storage battery is detachably mounted in the battery mounting opening.

Compared with the prior art, the utility model has the advantages that:

1. the white light LED light-emitting device adopts the double-sided solar cell module, so that the light receiving area of the solar panel is greatly increased, meanwhile, the light emitted by the white light LED light-emitting module can be collected to generate electricity, part of light is recycled, and the white light LED light-emitting device has the advantages of high efficiency and energy conservation. The energy can be fully collected, the effects of saving electricity and energy are achieved, the solar water heater is suitable for outdoor use, and the solar water heater can be widely applied to the fields of low carbon, energy conservation and emission reduction. Meanwhile, direct irradiation of the LED light-emitting device is avoided, so that light is softer, and user experience is greatly improved.

2. The white light LED device is provided with the charging overload protection device, so that the charging mode can be automatically cut off when the electric quantity of the built-in storage battery is sufficient, and the service life of the built-in charging storage battery can be effectively prolonged; still be provided with the customization power supply control switch, can set up the power supply time period at night, automatic control illumination time period further plays the efficiency of power saving and energy saving.

Drawings

The utility model is further described with reference to the following figures and examples:

FIG. 1 is a schematic diagram of an energy-efficient white LED device according to the present invention;

FIG. 2 is a schematic structural diagram of a white LED light-emitting module according to the present invention;

fig. 3 is a schematic structural diagram of a bifacial solar cell of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example (b):

as shown in fig. 1, the high-efficiency energy-saving white light LED device comprises a device body, a white light LED light emitting module 100 and a double-sided solar cell module 200 arranged at the top of the white light LED light emitting module 100, a transparent bucket-shaped lampshade 300 is arranged between the white light LED light emitting module 100 and the double-sided solar cell module 200, the double-sided solar cell module 200 is formed by connecting a plurality of double-sided solar cells 15 in series and parallel, a reflective layer 201 is arranged on the lower surface of each double-sided solar cell 15, the double-sided solar cell module 200 is connected with a built-in storage battery 17, and the built-in storage battery 17 is further connected with the white light LED light emitting module 100.

It should be noted that fig. 1 is merely an illustration of one principle, and the specific shape, structure, and the like are not limited.

Preferably, as shown in fig. 2, the white LED light-emitting module is formed by mounting a plurality of white LED chips 1 on a heat-dissipating aluminum substrate 2 in an array arrangement in a series-parallel manner, a series-parallel copper foil circuit layer 3 and a welding window area 5 for positive and negative electrodes of the white LED chips are disposed on the upper surface of the heat-dissipating aluminum substrate 2, the copper foil circuit layer 3 is wrapped by insulating resin and insulated from the heat-dissipating aluminum substrate 2, and the welding window area 5 for the positive and negative electrodes are connected in series-parallel by a copper foil circuit.

Preferably, the heat dissipation aluminum substrate 2 may be one of a square, a circle, and a polygonal shape.

The double-sided solar cell module 200 is formed by a plurality of double-sided solar cells 15 in a series-parallel connection manner, and is clamped and fixed by an upper transparent substrate 14 and a lower transparent substrate 14, the upper surface and the lower surface of each double-sided solar cell 15 can provide power generation, the upper surface is mainly used for collecting sunlight irradiation energy in daytime, certainly, the solar cells 15 on the lower surface can also collect certain sunlight irradiation energy in daytime, but the solar cells 15 on the lower surface are mainly used for collecting the light irradiation energy emitted by the white light LED chip 1, such as at night. The double-sided solar cell module greatly increases the light receiving area of the solar panel, and can collect the light emitted by the white light LED light-emitting module 100 for power generation, so that part of light can be recycled.

Preferably, as shown in fig. 3, the double-sided solar cell is formed by selecting a P-type doped silicon wafer as a substrate, diffusing an upper N-type diffusion layer 8 and a lower N-type diffusion layer 9 on the upper and lower surfaces of the P-type doped silicon wafer by a phosphorus diffusion process, and printing (e.g., screen printing) a metal N-type electrode 11 and an N-type gate electrode 10 on both the upper N-type diffusion layer 8 and the lower N-type diffusion layer 9. The upper N-type diffusion layer 8 and the lower N-type diffusion layer 9 are further provided with P-type electrode window regions, generally, the P-type electrode window regions are arranged in corner regions, the P-type electrode window regions on the upper N-type diffusion layer and the lower N-type diffusion layer penetrate through the upper N-type diffusion layer and the lower N-type diffusion layer to reach the region of the P-type doped structure layer 12, and the P-type electrode window regions are filled with P-type electrodes 13 made of conductive materials in a printing mode (for example, a screen printing process).

Preferably, the metal N-type electrode 11 and the N-type gate electrode 10 are made of silver paste, and the conductive material of the P-type electrode 13 is also made of silver paste.

In a preferred embodiment, the inner surface of the transparent funnel-shaped lamp housing 300 is provided with a plurality of concave lenses 301, as shown in fig. 1. The lamp can be diffused, and the light emitting range is enlarged, so that the illumination range of the lamp is enlarged. The concave lenses 301 are uniformly distributed on the transparent bucket-shaped lampshade 300, the transparent bucket-shaped lampshade 300 is made of transparent materials, and the round-table-shaped lampshade covers the whole LED lamp.

As shown in fig. 1, the plurality of bifacial solar cells 15 are connected in series and in parallel by welding the N-type electrode 11, the P-type electrode 13 and the first wire 20 to form the bifacial solar cell module 200, and the first wire 20 also electrically connects the N-type electrode 11 and the P-type electrode 13 of the plurality of bifacial solar cells 15 with the internal battery positive electrode 22 and the internal battery negative electrode 23, so that electricity generated by the bifacial solar cell module 200 is transmitted to the internal battery 17 and stored for providing illumination at night.

Preferably, a charging overload protection device 21 is disposed between the double-sided solar cell module 200 and the internal storage battery 17, and when the internal storage battery 17 is fully charged (exceeds a set threshold), the charging mode is automatically cut off.

The positive electrode 6 and the negative electrode 7 of the white light LED light emitting module 100 are connected to the positive electrode and the negative electrode of the built-in storage battery 17 through the second wire 19, and when the lighting mode is started at night, the electric energy in the built-in storage battery 17 can be transmitted to the white light LED light emitting module 100 through the second wire 19 for power utilization.

Preferably, a timing power supply control switch 18 is disposed between the white LED light emitting module 100 and the internal storage battery 17, so as to set a night power supply time period and automatically control the illumination time.

Preferably, the built-in storage battery 17 is one of environment-friendly batteries such as a lithium ion battery and a sodium ion battery, a storage battery mounting opening 16 is formed in the device, and the built-in storage battery 17 is detachably mounted in the storage battery mounting opening 16 and is convenient to maintain and replace.

This energy-efficient white light LED device has adopted two-sided solar cell module, greatly increased solar panel's photic area, can collect the light that white light LED light emitting module self sent again simultaneously and generate electricity, can get up the partial light reutilization of night illumination, play more power saving and energy saving's effect, be fit for using in the open air, but wide application in outdoor solar energy power supply illumination field.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a high-efficient energy-saving white light LED device, includes white light LED light emitting module, its characterized in that, white light LED light emitting module's top is provided with transparent lamp shade, the top of lamp shade is provided with two-sided solar cell module, two-sided solar cell module comprises the two-sided solar cell piece of polylith series-parallel connection, the lower surface of two-sided solar cell piece is provided with the reflector layer, two-sided solar cell module is connected built-in battery, built-in battery still is connected with white light LED light emitting module.

2. The efficient energy-saving white light LED device according to claim 1, wherein the white light LED light-emitting module comprises a heat-dissipating aluminum substrate and a plurality of white light LED chips arranged on the heat-dissipating aluminum substrate in an array, a series-parallel copper foil circuit layer and positive and negative electrode pin welding window regions of the white light LED chips are arranged on the upper surface of the heat-dissipating aluminum substrate, and the positive and negative electrode pin welding window regions are connected in series and parallel through the copper foil circuit.

3. The efficient energy-saving white light LED device as claimed in claim 1, wherein the double-sided solar cell comprises a P-type doped structure layer, an upper N-type diffusion layer and a lower N-type diffusion layer are diffused on the upper surface and the lower surface of the P-type doped structure layer, and the upper N-type diffusion layer and the lower N-type diffusion layer are provided with a metal N-type electrode and an N-type gate electrode by printing.

4. The efficient energy-saving white light LED device according to claim 3, wherein the upper N-type diffusion layer and the lower N-type diffusion layer are further provided with P-type electrode window regions at corners, the P-type electrode window regions on the upper N-type diffusion layer and the lower N-type diffusion layer penetrate through the upper N-type diffusion layer and the lower N-type diffusion layer to reach the P-type doped structure layer, and P-type electrode conductive materials are filled in the P-type electrode window regions in a printing manner.

5. The efficient energy-saving white light LED device as claimed in claim 1, 3 or 4, wherein the double-sided solar cell is sandwiched and fixed by an upper transparent substrate and a lower transparent substrate, and the lower transparent substrate is provided with a reflective layer.

6. The efficient energy-saving white light LED device as claimed in claim 1, wherein a charging overload protection device is connected between the bifacial solar cell module and the built-in storage battery, and when the electric quantity of the built-in storage battery exceeds a set threshold, the charging circuit is disconnected.

7. The efficient energy-saving white light LED device as claimed in claim 1, wherein a timing power supply control switch is connected between the white light LED light emitting module and the internal storage battery.

8. The energy-efficient white light LED device as claimed in claim 1, wherein the inner surface of the transparent lampshade is uniformly distributed with a plurality of concave lenses.

9. The efficient energy-saving white light LED device as claimed in claim 1, wherein a battery mounting opening is provided below the white light LED light-emitting module, and the built-in storage battery is detachably mounted in the battery mounting opening.