TWI407039B - Light emitting diode illumination device - Google Patents

Abstract

This invention relates to a light emitting diode illumination device. The light emitting diode illumination device includes a number of light emitting diodes, a supporting pole, a first circuit board fixed on the supporting pole, a rechargeable battery and an energy-conversion unit. The first circuit board includes a first surface. The light emitting diodes are arranged on the first surface and electrically connected with the first circuit board. The rechargeable battery is electrically connected with the first circuit board and supplies electric energy to the light emitting diodes. The energy-conversion unit is electrically connected with the rechargeable battery and converts solar energy and wind energy to electric energy to charge the rechargeable battery.

Description

Light-emitting diode lighting device

The present invention relates to an electronic device, and more particularly to a light emitting diode lighting device.

At present, Light Emitting Diode (LED) is gradually replacing Cold Cathode Fluorescent Lamp (CCFL) as lighting because of its good light quality (that is, the spectrum emitted by LED light source) and high luminous efficiency. For a light-emitting element of the device, reference is made to "Solid-State Lighting: Toward Superior Illumination" by Michael S. Shur et al., Proceedings of the IEEE, Vol. 93, No. 10 (October 2005).

However, with the lack of non-renewable energy sources and the promotion of environmentally-friendly energy, the use of light-emitting diode lighting devices with recyclable and environmentally friendly energy has become an urgent need.

In view of this, it is necessary to provide a light-emitting diode lighting device that can be recycled and environmentally friendly.

A light-emitting diode lighting device comprising a plurality of light-emitting diodes and a branch A strut, a first circuit board mounted on the support bar, a rechargeable battery, and an energy conversion unit. The first circuit board has a first surface, and the plurality of LEDs are disposed on the first surface and electrically connected to the first circuit board. The rechargeable battery provides electrical energy to the plurality of light emitting diodes by electrical connection with the first circuit board. The energy conversion unit is electrically connected to the rechargeable battery and converts solar energy and wind energy into electrical energy to charge the rechargeable battery.

Compared with the prior art, the light-emitting diode lighting device converts solar energy and wind energy into electrical energy by using an energy conversion unit to supply power to the plurality of light-emitting diodes, thereby realizing recycling of environmentally-friendly energy.

100,200‧‧‧Lighting diode lighting device

10, 10a‧‧‧Lighting diode

20, 20a‧‧‧ support rod

30, 30a‧‧‧ first board

40‧‧‧Rechargeable battery

50‧‧‧ energy conversion unit

60‧‧‧ support

31, 31a‧‧‧ first surface

32, 32a‧‧‧ second surface

51, 51a‧‧‧ first energy conversion subunit

52‧‧‧Second energy conversion subunit

510‧‧‧ front electrode

511‧‧‧Transparent conductive layer

512‧‧‧ back electrode

513‧‧‧Photovoltaic semiconductor layer

41‧‧‧ positive electrode

42‧‧‧Negative electrode

53‧‧‧blade components

54‧‧‧Generator

531, 531a‧‧‧ ontology

532‧‧‧ shaft

533, 533a‧‧‧ leaves

541‧‧‧Rotor

542‧‧‧ Stator

543‧‧‧ drive belt

80a‧‧‧second board

70a‧‧‧heating unit

81a‧‧‧ third surface

71a‧‧‧heating substrate

72a‧‧‧Heat fins

FIG. 1 is a schematic diagram of a light-emitting diode lighting device according to a first embodiment of the present invention.

2 is a schematic structural view of a first energy conversion subunit of the LED lighting device of FIG. 1.

3 is a schematic structural view of a second energy conversion subunit of the LED lighting device of FIG. 1.

4 is a schematic diagram of a light-emitting diode lighting device according to a second embodiment of the present invention.

The following preferred embodiments will be described in detail below with reference to the accompanying drawings.

Please refer to FIG. 1 , which is a light emitting diode lighting device 100 according to a first embodiment of the present invention. The LED device 100 includes a plurality of LEDs 10, a support rod 20, a first circuit board 30 mounted on the support rod 20, a rechargeable battery 40, an energy conversion unit 50, and a The support base 60 of the support rod 20 is fixed.

The first circuit board 30 has a first surface 31 and a second surface 32 opposite the first surface 31. The plurality of LEDs 10 are disposed on the first surface 31 and electrically connected to the first circuit board 30. In the present embodiment, each of the light-emitting diodes 10 has a diameter of 5 millimeters (mm), consumes 25 watts (w), and is arranged on the first surface 31 in a multi-dot matrix manner.

The energy conversion unit 50 includes a first energy conversion subunit 51 and a second energy conversion subunit 52. The first energy conversion subunit 51 is a solar cell in the present embodiment, and the first energy conversion subunit 51 is disposed on the second surface 32. Referring to FIG. 1 and FIG. 2 together, the first energy conversion subunit 51 includes a front electrode 510, a transparent conductive layer 511 (Transparent Conductive Layer), a back electrode 512 (Back Electrode or Rear Surface Electrode), and a A photovoltaic semiconductor layer 513 (Photovoltaic Semiconductor Layer) between the transparent conductive layer 511 and the back electrode 512. The sunlight is irradiated onto the transparent conductive layer 511 through the front electrode 510. When the transparent conductive layer 511 is exposed to light, the photovoltaic semiconductor layer 513 forms a voltage between the front electrode 510 and the back electrode 512, thereby realizing photoelectric conversion. The rechargeable battery 40 has a positive electrode 41 and a negative electrode 42. The front electrode 510 is electrically connected to the positive electrode 41, and the back electrode The negative electrode 42 is electrically connected to the negative electrode 42 such that the first energy conversion subunit 51 charges the rechargeable battery 40. In the present embodiment, the front electrode 510 and the positive electrode 41, and the electrical connection between the back electrode 511 and the negative electrode 42 are connected by wires, and the wires are hidden inside the support rod 20.

The second energy conversion subunit 52 includes a blade element 53 and a generator 54. The blade member 53 includes a body 531, a rotating shaft 532, and a plurality of blades 533. The plurality of blades 533 are respectively fixed on the rotating shaft 532. The rotating shaft 532 is movably connected to the body 531. The body 531 is fixed on the supporting rod 20, so that the rotation of the plurality of blades 533 can drive the rotating shaft 532 to rotate. In this embodiment, the body 531 is fixed to the top end of the support rod 20, and the generator 54 and the rechargeable battery 40 are respectively disposed on the support base 60. Referring to FIG. 1 and FIG. 3 together, the generator 54 includes a rotor 541 and a stator 542. The rotor 541 is coupled to the rotating shaft 532 by a belt 543. The plurality of blades 533 rotate the rotating shaft 532 in the direction indicated by the arrow S in FIG. 3 to drive the belt 543 in the directions of the arrows M and N, thereby rotating the rotor 541 of the generator 54 in the direction indicated by the arrow P, and the rotor 541 is rotated. The stator 542 outputs a voltage to cause the generator 54 to generate electricity. The positive and negative voltage output terminals (not shown) of the generator 54 are respectively connected to the positive electrode 41 and the negative electrode 42 of the rechargeable battery 40 to form a loop, so that the generator 54 stores the electric energy by the rechargeable battery 40.

The drive belt 543 is hidden inside the support rod 20. It can be understood that in order to extend the service life of the generator 54 and the rechargeable battery 40, the generator 54 and the rechargeable battery 40 can be buried underground. Further, the LED lighting device 100 may further include a control unit (not shown), and the control unit may be used. The first energy conversion unit 51 and the second energy conversion unit 52 are controlled to be turned on or off. In general, the second energy conversion unit 52 is always in an on state, and the first energy conversion unit 51 is turned off at night (generally set to 18:00 to 6:00 pm, which can be changed with the season and needs). .

The first embodiment of the present invention provides a light-emitting diode lighting device 100, wherein the first energy conversion sub-unit 51 and the second energy conversion sub-unit 52 respectively convert solar energy and wind energy into electrical energy into the plurality of light-emitting diodes. The body 10 provides a power source to realize the recyclability of the environmentally-friendly energy source, and ensures that the light-emitting diode lighting device 100 can perform normal operation for a long time.

Please refer to FIG. 4 , which illustrates a light emitting diode lighting device 200 according to a second embodiment of the present invention. The LED illumination device 200 of the present embodiment is different from the LED illumination device 100 of the first embodiment in that the LED illumination device 200 further includes a second circuit board 80a and a heat dissipation unit 70a.

The second circuit board 80a is mounted on the support bar 20a and above the first circuit board 30a. The second circuit board 80a is away from the side of the first circuit board 30a as a third surface 81a. An energy conversion subunit 51a is disposed on the third surface 81a. In the present embodiment, the second circuit board 80a is fixed to the top of the support bar 20a.

The body 531a is fixed on the support rod 20a between the first circuit board 30a and the second circuit board 80a. The plurality of blades 533a can freely rotate between the first circuit board 30a and the second circuit board 80a.

The heat dissipation unit 70a is disposed on the second surface 32a of the first circuit board 30a. The heat dissipation unit 70a includes a heat dissipation substrate 71a and a plurality of heat dissipation fins 72a. The heat dissipation substrate 71a and the heat dissipation fins 72a are sequentially disposed on the second surface 32a. In the present embodiment, the heat dissipation substrate 71a is integrally formed with the heat dissipation fins 72a. The heat dissipation substrate 71a can be fixed to the second surface 32a by a jig (not shown). The heat radiated from the operation of the plurality of light-emitting diodes 10a is radiated into the air by the heat radiating fins 72a.

The plurality of blades 533a rotate around the body 531a to convert wind energy into electrical energy, and the rotation of the plurality of blades 533a can also accelerate the air circulation in the vicinity of the heat dissipation unit 70a, so that the heat dissipation fins 72a quickly take away the complex light. The heat emitted by the diode 10a during operation.

In addition to the advantageous effects of the first embodiment of the present invention, the illuminating diode illuminating device 200 according to the second embodiment of the present invention can utilize the rotation of the plurality of blades 533a to accelerate the circulation of air in the vicinity, thereby making the plural The heat emitted by the light-emitting diode 10a is dissipated to the atmosphere more quickly. Not only is the safety of the light-emitting diode lighting device 200 improved, but the life of the light-emitting diode lighting device 200 is extended.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above-described embodiments, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are It should be covered by the following patent application.

100‧‧‧Lighting diode lighting device

10‧‧‧Lighting diode

20‧‧‧Support rod

30‧‧‧First board

40‧‧‧Rechargeable battery

50‧‧‧ energy conversion unit

60‧‧‧ support

31‧‧‧ first surface

32‧‧‧second surface

51‧‧‧First energy conversion subunit

52‧‧‧Second energy conversion subunit

510‧‧‧ front electrode

511‧‧‧Transparent conductive layer

512‧‧‧ back electrode

513‧‧‧Photovoltaic semiconductor layer

41‧‧‧ positive electrode

42‧‧‧Negative electrode

53‧‧‧blade components

54‧‧‧Generator

531‧‧‧Ontology

532‧‧‧ shaft

533‧‧‧ blades

Claims (8)

A light-emitting diode lighting device comprising a plurality of light-emitting diodes, a support rod and a first circuit board mounted on the support rod, the first circuit board having a first surface, the plurality of light-emitting diodes Provided on the first surface and electrically connected to the first circuit board, the improvement is that the LED lighting device further comprises a rechargeable battery and an energy conversion unit, and the rechargeable battery is Electrically connecting a circuit board to provide electrical energy to the plurality of light emitting diodes, the energy conversion unit includes a first energy conversion subunit and a second energy conversion subunit, the first circuit board further having a first a second surface opposite the surface, the first energy conversion subunit is disposed on the second surface, the second energy conversion subunit is disposed at a top end of the support rod, and the first energy conversion subunit converts solar energy into electrical energy The rechargeable battery is charged, and the second energy conversion subunit converts the wind energy into electrical energy to charge the rechargeable battery. A light-emitting diode lighting device comprising a plurality of light-emitting diodes, a support rod and a first circuit board mounted on the support rod, the first circuit board having a first surface, the plurality of light-emitting diodes The pole body is disposed on the first surface and electrically connected to the first circuit board, wherein the LED lighting device further comprises a rechargeable battery and an energy conversion unit, and the rechargeable battery passes Electrically connecting the first circuit board to the plurality of light emitting diodes, the energy conversion unit is electrically connected to the rechargeable battery, and converts the solar energy and the wind energy into electrical energy to charge the rechargeable battery. energy The conversion unit includes a first energy conversion subunit and a second energy conversion subunit, the first energy conversion subunit converts solar energy into electrical energy to charge the rechargeable battery, and the second energy conversion subunit converts wind energy Charging the rechargeable battery for electrical energy, the LED lighting device further comprising a second circuit board mounted on the support bar and above the first circuit board, the first a side of the second circuit board away from the first circuit board is a third surface, the first energy conversion subunit is disposed on the third surface, and the second energy conversion subunit is disposed on the first circuit board and the second Between boards. The illuminating diode device of claim 1 or 2, wherein the rechargeable battery has a positive electrode and a negative electrode, and the first energy conversion subunit includes a front electrode and a back electrode. The front electrode is electrically connected to the positive electrode, and the back electrode is electrically connected to the negative electrode. The illuminating diode lighting device of claim 1 or 2, wherein the second energy conversion subunit comprises a blade element and a generator, the blade element causing the generator to convert wind energy into The electric energy and the electric energy are stored by the rechargeable battery, the LED lighting device further includes a support base fixed on the support base, and the rechargeable battery and the generator are respectively disposed on the support base on. The illuminating diode illuminating device of claim 4, wherein the blade element comprises a body, a rotating shaft and a plurality of blades, wherein the plurality of blades are respectively fixed on the rotating shaft, and the rotating shaft is movably connected to the body Upper, the body is fixed on the support rod. The illuminating diode lighting device of claim 3, wherein The first circuit board further has a second surface opposite to the first surface, and the LED lighting device further includes a heat dissipating unit disposed on the second surface. The light-emitting diode lighting device of claim 6, wherein the heat-dissipating unit comprises a heat-dissipating substrate and a plurality of heat-dissipating fins, and the heat-dissipating substrate and the plurality of heat-dissipating fins are sequentially disposed on the second surface. The light-emitting diode lighting device of claim 7, wherein the heat dissipation substrate is integrally formed with the plurality of heat dissipation fins.