CN205535561U - Spontaneous electric light utensil of LED - Google Patents

Abstract

The utility model discloses a spontaneous electric light utensil of LED includes radiator, LED drive circuit, the thermoelectric generation body and the use module again that generates electricity certainly, and the thermoelectric generation body contacts with aluminium base board including heat electricity generation board and cold electricity generation board, heat electricity generation board, and cold electricity generation board contacts with the radiator. Thermal energy transfer that the back LED luminous that contacts produced is for the heat electricity generation board of the thermoelectric generation body, and cold electricity generation board contacts with the radiator, takes place seebeck effect between the heat electricity generation board that makes the thermoelectric generation body and the cold electricity generation board, production electric field formation electromotive force between heat electricity generation board and cold electricity generation board. To heat up electricity generation board and cold electricity generation board more simultaneously and generate electricity certainly and loop in, has reached the purpose of electricity generation energy -conservation after the use module electricity is connected. It is partly with heat recovery because of the thermoelectric generation body, make the radiating effect good, guaranteed the life of LED light source. Its application mainly is the voltage work that utilizes between heat electricity generation board and the cold electricity generation board, makes its electricity of sending out be widely used.

Description

LED Self-Generating Lamps

technical field

The utility model relates to the technical field of LED lamps, in particular to an LED self-generating lamp.

Background technique

With the widespread use of LED lamps, their service life has received widespread attention. The service life of LED lamps is directly related to the effect of heat dissipation. Generally, after the LED light source provided in the LED lamp is powered on, it converts electric energy into light energy. However, only 20% of the photoelectric conversion rate of the LED light source is used for light emission, and the remaining 80% is converted into heat energy. The 80% heat energy will gradually increase the temperature of the LED lamp, causing the light decay of the LED light source to increase with the increase of temperature. If the radiator cannot dissipate the heat in time, it will seriously affect the service life of the LED lamp. The radiation method of the radiator is to radiate heat into the air. If it is not recycled, it will cause a huge waste of energy.

Utility model content

The purpose of the utility model is to provide an LED self-generating lamp, which uses the Seebeck principle to convert the heat generated by the light source into electricity, realizes the secondary utilization of energy, and allows the lamp to dissipate heat well.

For solving the problems of the technologies described above, the technical solution of the utility model is:

An LED self-generating lamp includes a radiator and an LED drive circuit, the radiator is provided with an aluminum substrate, the aluminum substrate is provided with an LED light source, the LED light source is electrically connected to the LED drive circuit, and a device A thermoelectric generator between the radiator and the aluminum base plate, the thermoelectric generator includes a thermal power generation plate and a cold power generation plate combined together, the thermal power generation plate is in contact with the aluminum base plate, the The cold power generation board is in contact with the radiator; the self-generation recycling module is electrically connected to the hot power generation board and the cold power generation board at the same time.

The preferred way is to include a plurality of thermoelectric generators, the thermal power generation plates of all the thermoelectric generators are respectively in contact with the aluminum substrate, and the cold power generation plates of all the thermoelectric generators are respectively in contact with the The radiators are in contact; after all the thermoelectric generators are connected in series, the thermal power generation board and the cold power generation board of any one of the thermoelectric power generators are electrically connected to the self-generation reuse module at the same time.

In a preferred manner, the thermal power generation plate is attached to the aluminum substrate, and the cold power generation plate is attached to the heat sink.

Preferably, all the thermoelectric generators between the heat sink and the aluminum substrate are arranged uniformly.

Preferably, the thermal power generation plate is made of tellurium metal, and the cold power generation plate is made of bismuth metal.

Preferably, the thermoelectric generator and the aluminum substrate are fixed together.

Preferably, the self-generated recycling module includes an LED delay driving circuit and an LED delay light source provided on the aluminum substrate, and the LED delay drive circuit is electrically connected to the LED delay light source.

Preferably, the self-generation recycling module includes a power module, and an output terminal electrically connected to the power module.

In a preferred manner, the radiator is provided with a lampshade buckled thereon.

After adopting the above-mentioned technical scheme, the beneficial effect of the utility model is: due to the LED self-generating lamp and its application of the utility model, wherein the LED self-generating lamp includes a radiator, an LED drive circuit, a thermoelectric generator and a self-generating reuse module, The thermoelectric power generation body includes a heat power generation board and a cold power generation board combined together, the heat power generation board is in contact with the aluminum base plate, and the cold power generation board is in contact with the radiator. After contacting in the above way, the heat energy generated by the LED light source is transferred to the thermal power generation board of the thermoelectric generator, and at the same time the cold power generation board is in contact with the radiator, so that the Seebeck effect occurs between the thermal power generation board and the cold power generation board of the thermoelectric generator , that is, an electric field is generated between the hot power generation plate and the cold power generation plate to form an electromotive force. After the thermal power generation board and the cold power generation board are electrically connected to the self-generation reuse module at the same time, a loop is formed, and the purpose of secondary energy recovery and reuse is achieved. At the same time, because the thermoelectric generator recovers part of the heat energy, the heat dissipation effect of the LED lamp is good, and the service life of the LED light source is guaranteed.

Due to the inclusion of multiple thermoelectric generators, the thermal power generation plates of all thermoelectric generators are in contact with the aluminum substrate, and the cold power generation plates of all thermoelectric generators are in contact with the radiator; after all thermoelectric generators are connected in series, any one of them The thermal power generation board and the cold power generation board of the generating body are electrically connected with the self-generation reuse module at the same time; this structure makes the heat recovery rate high and the heat energy conversion efficiency into electric energy high.

Because the thermal power generation board is attached to the aluminum base plate, and the cold power generation board is attached to the radiator; this method makes the heat transfer area large and the heat recovery efficiency high.

Because all the thermoelectric generators between the radiator and the aluminum base plate are evenly arranged; this arrangement makes the heat recovery rate high and the efficiency of heat energy conversion into electric energy high.

Because the heat generation plate is made of tellurium metal, and the cold power generation plate is made of bismuth metal; the thermoelectric generator made of this material has high power generation efficiency.

Since the self-generation reuse module includes an LED delay driving circuit and an LED delay light source arranged on an aluminum substrate, the LED delay drive circuit is electrically connected to the LED delay light source; this structure enables the LED lamp to have an LED light source that uses self-generation to save energy. It not only saves energy, but also realizes the reuse of energy.

Since the self-generation reuse module includes a power module and an output terminal electrically connected to the power module; this structure utilizes the power generated by the LED lamp through the power module to drive a low-power light source and the like.

To sum up, compared with the prior art, the LED self-generating lamp of the present utility model solves the technical problem that the heat generated by the LED light source is not dissipated in time and reduces the service life of the LED lamp. Power-generating lamps, because they can use the Seebeck effect to convert the heat energy generated by LED light sources into electrical energy, thereby realizing the secondary recycling of energy and achieving the purpose of heat dissipation, ensuring the service life of LED lamps.

Description of drawings

Fig. 1 is a structural schematic diagram of the utility model LED self-generating lamp;

Fig. 2 is the bottom view of Fig. 1;

Fig. 3 is the functional block diagram of embodiment;

In the figure: 1—radiator, 2—aluminum substrate, 3—LED light source, 4—thermoelectric generator, 5—lampshade.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figure 1, Figure 2 and Figure 3, an LED self-generating lamp includes a radiator 1 and a lampshade 5 that are fastened together. The radiator 1 is a rectangular radiator 1 formed by die-casting aluminum profiles. A plurality of heat dissipation fins are provided, and each heat dissipation fin is integrated with the heat sink 1 . One side of the heat sink 1 is smoothed, and an aluminum substrate 2 is placed on it. An LED light source 3 is arranged on the aluminum substrate 2. The LED light source 3 is electrically connected to an LED driving circuit, and is driven to emit light. The LED driving circuit is connected to the mains.

The LED self-generating lamp of the present invention also includes a thermoelectric generator 4 , and the thermoelectric generator 4 is arranged between the radiator 1 and the aluminum substrate 2 . The thermoelectric generator 4 includes a thermal power generation plate and a cold power generation plate combined together, the thermal power generation plate is in contact with the aluminum substrate 2 , and the cold power generation plate is in contact with the smooth surface of the radiator 1 . And the hot power generation board and the cold power generation board are electrically connected with the self-generation reuse module at the same time.

After the LED drive circuit is connected to the mains, the heat energy generated by the LED light source 3 is transmitted to the thermal power generation board of the thermoelectric generator 4, and the cold power generation board is in contact with the radiator 1 at the same time, so that the thermal power generation board of the thermoelectric generator 4 and the cold generator are in contact with each other. The Seebeck effect occurs between the power generation plates, and an electric field is generated between the hot power generation plates and the cold power generation plates to form an electromotive force. After the thermal power generation board and the cold power generation board are electrically connected to the self-generation reuse module at the same time, a loop is formed to achieve the purpose of power generation and heat energy recovery and reuse.

Because only 20% of the photoelectric conversion rate of the LED light source 3 of the LED lamp is used for light emission, the remaining 80% generates a lot of heat, in order to improve the heat recovery rate. A plurality of thermoelectric generators 4 are arranged between the radiator 1 and the aluminum substrate 2 , and all the thermoelectric generators are evenly laid between the radiator 1 and the aluminum substrate 2 . The thermal power generation board of the thermoelectric generator 4 in this embodiment is a tellurium semiconductor power generation board made of tellurium metal, and the cold power generation board is a bismuth semiconductor power generation board made of bismuth metal. At the same time, the thermal power generation plate of each thermoelectric generator 4 is attached to the aluminum substrate 2 and fixed together with screws, and the cold power generation plate of each thermoelectric generator 4 is attached to the radiator 1, so that the heat transfer area is large. , Good heat recovery effect. All thermoelectric generators 4 are also connected in series, specifically two adjacent thermoelectric generators 4 are connected in series, and finally the two outermost thermoelectric generators 4 are set as the head and tail of the series connection, and the first The thermal power generation board of the tail and the cold power generation board of the tail are electrically connected with the self-generation reuse module at the same time.

The above-mentioned self-generated recycling module may include an LED delay driving circuit and an LED delay light source provided on the aluminum substrate 2, and the LED delay drive circuit is electrically connected to the LED delay light source. The self-generated reuse module in this example mainly uses the electric energy converted from heat energy to drive the LED delay light source to work, and the LED lamp with the LED delay light source starts to work for a period of time, that is, the heat energy generated by the LED light source 3 After the electricity is enough to drive the LED delay light source to work, the LED delay light source also starts to emit light.

The above-mentioned self-generated recycling module may also include a power supply module and an output terminal electrically connected to the power supply module. After the output terminal is led out of the LED lamp to be electrically connected to a low-power light source, it can supply power to the low-power light source, which also saves energy.

The self-generating reuse module is not limited to the two methods listed above, and may have multiple methods.

The application of the LED self-generating lamp of the utility model is mainly to be electrically connected with the thermal power generation board and the cold power generation board at the same time, and can work by utilizing the voltage between the thermal power generation board and the cold power generation board.

To sum up, the LED self-generating lamps of the present invention reduce the light decay of the LED light source 3, prolong the service life of the LED lamps, and make full use of the waste heat generated by the LED light source 3 during work, realizing the dual energy consumption. Reuse reduces costs and greatly reduces energy waste.

The above-mentioned preferred embodiments of the utility model are only intended to limit the utility model, and any modifications made within the spirit and principles of the utility model, equivalent to an improvement in the structure of a LED self-generating lamp, etc. Should be included in the scope of protection of the present utility model.

Claims (9)

1.LED self power generation light fixture, including radiator and LED drive circuit, described radiator is arranged above with aluminum Substrate, described aluminium base is provided with LED light source, described LED light source and the electrical connection of described LED drive circuit, It is characterized in that, also include

The thermo-electric generation body being located between described radiator and described aluminium base, described thermo-electric generation body includes knot The heat generating sheet being combined and cold power generation plate, described heat generating sheet contacts with described aluminium base, described cold Power generation plate contacts with described radiator；

Self power generation recycling module, described self power generation recycling module simultaneously with described heat generating sheet and described cold Power generation plate electrically connects.

LED self power generation light fixture the most according to claim 1, it is characterised in that include multiple described temperature Difference generating body, the described heat generating sheet of all described thermo-electric generation bodies contacts with described aluminium base respectively, institute The described cold power generation plate having described thermo-electric generation body contacts with described radiator respectively；All described temperature difference are sent out After electricity body concatenation, the described heat generating sheet of thermo-electric generation body described in any of which and described cold power generation plate are simultaneously Electrically connect with described self power generation recycling module.

LED self power generation light fixture the most according to claim 1, it is characterised in that described heat generating sheet with The laminating of described aluminium base is arranged, and described cold power generation plate is arranged with the laminating of described radiator.

LED self power generation light fixture the most according to claim 2, it is characterised in that described radiator and institute State all described evenly distributed setting of thermo-electric generation body between aluminium base.

5. according to the LED self power generation light fixture described in any one of Claims 1-4, it is characterised in that described Heat generating sheet is that tellurium metal is made, and described cold power generation plate is that bismuth metal is made.

LED self power generation light fixture the most according to claim 5, it is characterised in that described thermo-electric generation body It is fixed together with described aluminium base.

LED self power generation light fixture the most according to claim 6, it is characterised in that described self power generation is the most sharp Include that LED postpones drive circuit by module, and the LED being located on described aluminium base postpones light source, described LED postpones drive circuit and electrically connects with described LED delay light source.

LED self power generation light fixture the most according to claim 6, it is characterised in that described self power generation is the most sharp Power module, and the outfan electrically connected with described power module is included by module.

LED self power generation light fixture the most according to claim 1, it is characterised in that above described radiator It is provided with the lampshade fastened with it.