CN210007948U - Power supply device and lighting system for LED lamps - Google Patents

Abstract

The utility model discloses a power supply unit and lighting system for LED lamps and lanterns, including the thermoelectric generation subassembly, the thermoelectric generation subassembly utilizes the indoor outer difference in temperature to generate electricity, steady voltage filtering module links to each other with thermoelectric generation subassembly and LED lamps and lanterns respectively, steady voltage filtering module carries out steady voltage filtering to the voltage of thermoelectric generation subassembly output and handles and give the LED lamps and lanterns with output power supply, can utilize indoor outer difference in temperature to generate electricity effectively, and supply power for the LED lamps and lanterns through the electric energy that generates, improve energy utilization, and implementation cost is lower, easily push away and execute.

Description

Power supply device and lighting system for LED lamps

technical field

The utility model relates to the technical field of LED lighting, in particular to a power supply device and a lighting system for LED lamps.

Background technique

With the progress of society and the development of science and technology, people pay more and more attention to energy issues; for this reason, all countries in the world have paid great attention to the research of energy-saving technology and the development of energy-saving products.

In the existing energy-saving products, the application of energy-saving technologies by converting solar energy and wind energy is mostly used; however, these methods have high specific requirements for the environment and high implementation costs, which are difficult to apply to small household appliances such as LED lamps. Therefore, there is an urgent need for a power supply device that can effectively utilize environmental energy to supply power to LED lamps, so as to improve the utilization rate of energy.

Utility model content

The present invention aims to solve one of the technical problems in the above technologies at least to a certain extent. Therefore, one purpose of the present invention is to provide a power supply device for LED lamps, which can effectively utilize the temperature difference between indoor and outdoor to generate electricity, and supply power to LED lamps through the generated electric energy, so as to improve the energy utilization rate, and implement Low cost and easy to popularize and implement.

The second purpose of the present invention is to provide a lighting system.

In order to achieve the above purpose, the first aspect of the present utility model provides a power supply device for LED lamps, including: a thermoelectric power generation component, which utilizes the indoor and outdoor temperature difference to generate electricity; a voltage stabilization filter module, a voltage stabilization filter module The modules are respectively connected with the thermoelectric power generation components and the LED lamps, and the voltage stabilization filter module performs voltage regulation and filtering processing on the voltage output by the thermoelectric power generation components to output power supply to the LED lamps.

The power supply device for LED lamps according to the embodiment of the present utility model includes: a thermoelectric power generation assembly, which utilizes the indoor and outdoor temperature difference to generate electricity; a voltage stabilization filter module, which is respectively connected with the thermoelectric power generation assembly and the LED lamp. Connected, the voltage stabilization filter module performs voltage stabilization and filtering on the output voltage of the thermoelectric power generation component to output the power supply to the LED lamps; thereby effectively utilizing the indoor and outdoor temperature difference to generate power, and to supply power to the LED lamps through the generated electric energy, improving the performance of the LED lamps. The energy utilization rate is low, and the implementation cost is low, and it is easy to popularize and implement.

In addition, the power supply device for LED lamps proposed according to the above embodiments of the present invention may also have the following additional technical features:

Optionally, the thermoelectric power generation assembly includes a first thermoelectric generator and a second thermoelectric generator, wherein the hot end of the first thermoelectric generator corresponds to an indoor setting, and the cold end of the first thermoelectric generator corresponds to an outdoor setting. The cold end of the second thermoelectric generator corresponds to the indoor setting, the hot end of the second thermoelectric generator corresponds to the outdoor setting, and the first thermoelectric generator and the second thermoelectric generator alternately perform power generation work.

Optionally, it also includes: a first temperature sensor, the first temperature sensor is set corresponding to the indoor to detect the indoor temperature; a second temperature sensor, the second temperature sensor is set corresponding to the outdoor to detect the outdoor temperature; A judgment control unit, the control unit is respectively connected with the first temperature sensor and the second temperature sensor, and the control unit controls the first thermoelectric generator to start when the indoor temperature is greater than the outdoor temperature , and control the second thermoelectric generator to start when the indoor temperature is lower than the outdoor temperature.

Optionally, it also includes: a battery module, the charging end of the battery module is connected to the output end of the voltage stabilization filter module, and the discharge end of the battery module is connected to the LED lamp, wherein the The power supply output from the voltage stabilization filter module also charges the battery module, so that when the temperature difference between the indoor temperature and the outdoor temperature is less than a preset temperature threshold, the LED is charged to the LED through the battery module Lights are powered.

Optionally, the battery module is a battery.

Optionally, the voltage stabilization filter module includes a DC-DC converter, and the DC-DC converter can be integrated in the battery module.

Optionally, the cold end of the first thermoelectric generator and the cold end of the second thermoelectric generator are respectively provided with cooling fins, and the hot end of the first thermoelectric generator and the second thermoelectric generator The hot ends are respectively provided with thermally conductive sheets.

Optionally, the connection gap between the heat sink and the cold end is filled with thermally conductive silicone grease, and the connection gap between the thermally conductive fin and the hot end is filled with thermally conductive silicone grease.

Optionally, the LED lamps are low-power desk lamps.

In order to achieve the above purpose, the second aspect of the present invention provides a lighting system, including an LED lamp and the above-mentioned power supply device for the LED lamp, the power supply device uses the indoor and outdoor temperature difference to generate electricity to the LED according to the temperature difference power generation component. Lights are powered.

Description of drawings

1 is a schematic block diagram of a power supply device for an LED lamp according to an embodiment of the present invention;

2 is a schematic block diagram of a power supply device for an LED lamp according to another embodiment of the present invention;

FIG. 3 is a schematic diagram of installation of a lighting system according to an embodiment of the present invention.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

Existing energy-saving products mostly use the conversion of solar energy and wind energy to use energy-saving technology, which has high environmental requirements, high implementation cost, and low energy utilization rate; The power supply device includes: a thermoelectric power generation component, which uses the indoor and outdoor temperature difference to generate electricity; a voltage stabilization filter module, which is respectively connected with the thermoelectric power generation assembly and the LED lamp, and the voltage stabilization filter module is connected to the thermoelectric power generation assembly. The output voltage is regulated and filtered to output the power supply to the LED lamps; thus, the temperature difference between indoor and outdoor can be effectively used to generate electricity, and the generated electric energy is used to supply power to the LED lamps to improve energy utilization, and the implementation cost is low and easy to use. Promotion and implementation.

In order to better understand the above technical solutions, the exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present invention will be more thoroughly understood, and will fully convey the scope of the present invention to those skilled in the art.

In order to better understand the above technical solutions, the above technical solutions will be described in detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic block diagram of a power supply device for an LED lamp according to an embodiment of the present invention. As shown in FIG. 1 , the power supply device for an LED lamp includes a thermoelectric power generation assembly 10 and a voltage stabilization filter module 20 .

Wherein, the thermoelectric power generation assembly 10 utilizes the indoor and outdoor temperature difference to generate electricity;

That is, by providing the thermoelectric power generation module 10, the temperature difference between indoor and outdoor is utilized to generate power by utilizing the temperature difference between indoor and outdoor.

The thermoelectric power generation assembly 10 can be set in various ways. For example, the cold end of the thermoelectric generator is set outdoors, and the hot end of the thermoelectric generator is set indoors, so that when the indoor temperature is higher than the outdoor temperature When the temperature is high, the thermoelectric generator utilizes the temperature difference between indoor and outdoor to generate electricity.

As shown in FIG. 2, in some embodiments, in order to ensure the utilization rate of the thermoelectric power generation assembly 10 for the indoor and outdoor temperature difference, the thermoelectric power generation assembly 10 includes a first thermoelectric generator 11 and a second thermoelectric generator 12, wherein the first thermoelectric generator 12 The hot end of the thermoelectric generator 11 corresponds to the indoor setting, the cold end of the first thermoelectric generator 11 corresponds to the outdoor setting, the cold end of the second thermoelectric generator 12 corresponds to the indoor setting, and the hot end of the second thermoelectric generator 12 corresponds to the outdoor setting, The first thermoelectric generator 11 and the second thermoelectric generator 12 alternately perform power generation work; it should be noted that when a temperature difference is formed between the hot end and the cold end of the first thermoelectric generator 11 or the second thermoelectric generator 12, according to According to the Seebeck principle, the two ends of the first thermoelectric generator 11 or the second thermoelectric generator 12 will generate a potential difference, thereby converting thermal energy into electrical energy to provide the electrical energy required for LED lighting.

Wherein, the hot end and the cold end of the first thermoelectric generator 11 and the second thermoelectric generator 12 are respectively made of different types of electrical conductors or semiconductors, so that when the temperatures of the hot end and the cold end are different, the two electrical conductors Or a thermal current will appear in the circuit composed of semiconductors to achieve the purpose of generating electricity through the temperature difference.

In some embodiments, in order to make the first thermoelectric generator 11 or the second thermoelectric generator 12 more reasonably used, the power supply device for LED lamps proposed in the embodiments of the present invention further includes: a first temperature sensor 30, The second temperature sensor 40 and the control unit 50 .

Wherein, the first temperature sensor 30 is set up corresponding to the indoor, so as to detect the indoor temperature, and send the detected indoor temperature to the control unit 50;

The second temperature sensor 40 is corresponding to the outdoor setting, so as to detect the outdoor temperature, and send the detected outdoor temperature to the control unit 50;

As shown in FIG. 2 , the control unit 50 is respectively connected with the first temperature sensor 30 and the second temperature sensor 40 to receive the indoor temperature and the outdoor temperature sent by the first temperature sensor 30 and the second temperature sensor 40, and according to the received The obtained indoor temperature and outdoor temperature are judged to the indoor and outdoor temperature to judge the temperature difference between the indoor and outdoor temperature; and, when the indoor temperature is greater than the outdoor temperature, the first thermoelectric generator 11 is controlled to start, so as to utilize the current difference between the indoor and outdoor temperature. When the indoor temperature is lower than the outdoor temperature, the second thermoelectric generator 12 is controlled to start, so as to use the current temperature difference between the indoor and outdoor to generate electricity.

It is understandable that in summer, the indoor temperature is often lower than the outdoor temperature because it is not exposed to direct sunlight, air conditioners or fans and other cooling means; while in winter, the indoor temperature is often higher than the outdoor temperature; two There is a big difference in the indoor and outdoor temperature differences between seasons. In addition, the indoor and outdoor temperature differences will also be different under the conditions of sunlight during the day and no sunlight at night; therefore, through the first temperature The sensor 30 and the second temperature sensor 40 perform temperature sensing, and the control unit 50 selectively controls the opening and closing of the first thermoelectric generator 11 or the second thermoelectric generator 12 according to the indoor and outdoor temperature difference obtained by the induction, so as to adjust the difference between indoor and outdoor. By utilizing the temperature difference, the utilization rate of the thermoelectric power generation assembly 10 for the indoor and outdoor temperature difference can be greatly improved.

The voltage stabilization filter module 20 is respectively connected with the thermoelectric power generation assembly 10 and the LED lamps. The voltage stabilization filter module 20 performs voltage stabilization and filtering on the voltage output by the thermoelectric power generation assembly 10 to output power supply to the LED lamps.

That is to say, the voltage stabilization filter module 20 is connected to the thermoelectric power generation assembly 10, so that after the thermoelectric power generation assembly 10 converts thermal energy into electrical energy according to the Seebeck effect, the thermoelectric power generation assembly 10 inputs the generated electric energy into the voltage stabilization filter module 20, The voltage output by the thermoelectric power generation assembly 10 is subjected to voltage stabilization and filtering processing through the voltage stabilization filter module 20, and the voltage stabilization filter module 20 is connected with the LED lamps, so as to output the processed power to the LED lamps, and the LED lamps are processed. powered by.

In some embodiments, in order to prevent the LED lamps from needing electricity when they are not turned on, resulting in waste of electric energy converted by the thermoelectric power generation assembly 10; The power supply device for LED lamps proposed in the embodiment further includes a battery module 60; the charging end of the battery module 60 is connected to the output end of the voltage stabilization filter module 20, and the discharge end of the battery module 60 is connected to the LED lamp, The power supply output from the voltage stabilization filter module 20 also charges the battery module 60 so as to supply power to the LED lamps through the battery module 60 when the temperature difference between the indoor temperature and the outdoor temperature is less than a preset temperature threshold.

That is to say, the charging end of the battery module 60 is connected to the output end of the voltage stabilization filter module 20, so that after the thermoelectric power generation assembly 10 converts thermal energy into electric energy according to the Seebeck effect, the thermoelectric power generation assembly 10 inputs the generated electric energy into the voltage stabilization The filter assembly 20 is used to perform voltage stabilization and filtering processing on the voltage output by the thermoelectric power generation assembly 10 through the voltage stabilization filter assembly 20, and output the processed power to the battery module 60, and the discharge end of the battery module 60 is connected to the LED lamp. In this way, when the LED lamp is in use, the power supply after the voltage stabilization and filtering process by the voltage stabilization filter assembly 20 can supply power to the LED lamp through the battery module 60; and when the LED is in the off state, the voltage stabilization filter assembly 20. The power supply after voltage stabilization and filtering can charge the battery module 60, so that when the temperature difference between indoor and outdoor is less than the temperature threshold and the thermoelectric power generation assembly 10 cannot generate electricity, the energy stored in the battery module 60 can be used to supply power to the LED lamps to ensure this normal operation of LED lamps.

The battery module 60 can be arranged in various ways.

As an example, the battery module 60 is a battery.

Wherein, the setting manner of the voltage stabilization filter module 20 can be various.

As an example, the voltage stabilization filter module 20 includes a DC-DC converter, wherein the DC-DC converter can be integrated in the battery module 60, so that the integration degree of the overall device can be improved, so that the overall device can save space Occupies, at the same time, facilitates the installation process for the overall device.

As shown in FIG. 3 , in some embodiments, in order to enhance the power generation effect of the first thermoelectric generator 11 and the second thermoelectric generator 12 , the cold end of the first thermoelectric generator 11 and the cold end of the second thermoelectric generator 12 The radiating fins 13 are respectively provided, so that the cold end of the first thermoelectric generator 11 and the cold end of the second thermoelectric generator 12 can be dissipated through the radiating fins 13, and the cold end of the first thermoelectric generator 11 and the second thermoelectric generator 12 can be quickly dissipated. The process in which the cold end of the thermoelectric generator 12 is cooled by the influence of the external environment; the hot end of the first thermoelectric generator 11 and the hot end of the second thermoelectric generator 12 are respectively provided with thermally conductive sheets 14, so that the The hot end of the first thermoelectric generator 11 and the hot end of the second thermoelectric generator 12 conduct heat conduction to speed up the process of heating the hot end of the first thermoelectric generator 11 and the hot end of the second thermoelectric generator 12 under the influence of the external environment Further, it is easier to form a temperature difference between the cold end and the hot end of the first thermoelectric generator 11 and the second thermoelectric generator 12, and the magnitude of the temperature difference is increased, so as to enhance the first thermoelectric generator 11 and the purpose of the power generation effect of the second thermoelectric generator 12 .

As an example, in order to further enhance the heat dissipation effect of the heat sink 13 and the heat conduction effect of the heat conduction sheet 14, the connection gap between the heat sink 13 and the cold end is filled with thermally conductive silicone grease, and the connection between the heat conduction sheet 14 and the hot end The gap is filled with thermally conductive silicone grease, thereby enhancing the thermal conductivity of the heat sink 13 and the thermally conductive sheet 14 and ensuring the utilization of the first thermoelectric generator 11 and the second thermoelectric generator 12 for the indoor and outdoor temperature difference.

In some embodiments, the LED light fixture is a low-power desk light.

To sum up, the power supply device for LED lamps according to the embodiment of the present invention includes: a thermoelectric power generation component, which utilizes the indoor and outdoor temperature difference to generate electricity; a voltage stabilization filter module, which is respectively connected to the temperature difference The power generation component is connected to the LED lamps, and the voltage stabilization filter module performs voltage stabilization and filtering on the output voltage of the thermoelectric power generation unit to output power supply to the LED lamps; thus effectively utilizing the indoor and outdoor temperature difference to generate electricity, and the generated electric energy is used for the LED lamps. Lamps supply power, improve energy utilization, and the implementation cost is low, which is easy to popularize and implement.

In order to achieve the above-mentioned embodiments, the embodiments of the present invention also provide a lighting system, including LED lamps and the above-mentioned power supply device for the LED lamps. powered by.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" etc. The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , so it cannot be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms should not be construed as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limitations of the present invention, and those of ordinary skill in the art are within the scope of the present invention Variations, modifications, substitutions and variations can be made to the above-described embodiments.

Claims (10)

1, A power supply device for LED lamp, comprising:

the temperature difference power generation assembly generates power by utilizing indoor and outdoor temperature difference;

the voltage stabilizing filter module is respectively connected with the temperature difference power generation assembly and the LED lamp, and carries out voltage stabilizing filter processing on the voltage output by the temperature difference power generation assembly so as to output a power supply to the LED lamp.

2. The power supply device of claim 1, wherein the thermoelectric generation assembly comprises an th thermoelectric generator and a second thermoelectric generator, wherein the hot end of the th thermoelectric generator corresponds to indoor setting, the cold end of the th thermoelectric generator corresponds to outdoor setting, the cold end of the second thermoelectric generator corresponds to indoor setting, the hot end of the second thermoelectric generator corresponds to outdoor setting, and the th thermoelectric generator and the second thermoelectric generator alternately perform power generation.

3. The power supply apparatus for an LED lamp of claim 2, further comprising:

an th temperature sensor, wherein the th temperature sensor is arranged corresponding to the indoor to detect the indoor temperature;

a second temperature sensor corresponding to an outdoor setting to detect an outdoor temperature;

the control unit judges the indoor and outdoor temperature, the control unit is respectively connected with the th temperature sensor and the second temperature sensor, the control unit controls the th thermoelectric generator to start when the indoor temperature is higher than the outdoor temperature, and controls the second thermoelectric generator to start when the indoor temperature is lower than the outdoor temperature.

4. The power supply apparatus for an LED lamp of claim 3, further comprising:

the charging end of the battery module is connected with the output end of the voltage-stabilizing filtering module, the discharging end of the battery module is connected with the LED lamp, and a power supply output by the voltage-stabilizing filtering module further charges the battery module so as to supply power to the LED lamp through the battery module when the temperature difference between the indoor temperature and the outdoor temperature is smaller than a preset temperature threshold value.

5. The power supply device for the LED lamp according to claim 4, wherein the battery module is a storage battery.

6. The power supply of claim 4 wherein the voltage regulation filter module comprises a DC-DC converter that can be integrated into the battery module.

7. The power supply apparatus of wherein the cold side of the thermoelectric generator and the cold side of the second thermoelectric generator are respectively provided with heat dissipating fins, and the hot side of the thermoelectric generator and the hot side of the second thermoelectric generator are respectively provided with heat conducting fins.

8. The power supply device of claim 7, wherein a connection gap between the heat sink and the cold end is filled with thermal grease, and a connection gap between the heat sink and the hot end is filled with thermal grease.

9. The power supply of claim 1 wherein said LED lamp is a low power desk lamp.

10, A lighting system, comprising:

an LED lamp;

the power supply apparatus for an LED light fixture of any one of claims 1-9, , wherein the power supply apparatus is configured to generate power according to the thermoelectric generation assembly by using indoor and outdoor temperature difference to power the LED light fixture.

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