CN219414675U - LED lamp with self-heat-dissipation function - Google Patents

Abstract

The application discloses LED lamps and lanterns with from heat dissipation function, include: a lamp body having a light emitting side and a backlight side; a fan arranged towards the backlight side and used for reducing the temperature of the backlight side by air supply; a chargeable and dischargeable storage battery for supplying power to the blower; and the thermoelectric generation element is arranged on the backlight side and charges the storage battery. The LED lamp is provided with the thermoelectric generation element, when the temperature in the lamp body rises, the storage battery is charged to enable the fan to operate, compared with the prior art, the fan does not additionally use electric energy, and the problem of increasing the power consumption of the lamp is avoided.

Description

LED lamp with self-heat-dissipation function

Technical Field

The application relates to the field of lighting devices, in particular to an LED lamp with a self-heat-dissipation function.

Background

When the LED lamp is used for illumination, the internal temperature can rise, so that timely heat dissipation is needed, the existing heat dissipation mode comprises active heat dissipation and passive heat dissipation, the effect of the passive heat dissipation is limited, when the passive heat dissipation is not ideal, the active heat dissipation mode is generally adopted for further heat dissipation, the active heat dissipation usually needs additional electric energy consumption, and the power consumption of the lamp can be increased.

Disclosure of Invention

The utility model provides an LED lamp with a self-heat-dissipation function, which solves the problem that the power consumption of the lamp is additionally increased due to active heat dissipation of the LED lamp in the prior art.

LED lamps and lanterns with from heat dissipation function include:

a lamp body having a light emitting side and a backlight side;

a fan arranged towards the backlight side and used for reducing the temperature of the backlight side by air supply;

a chargeable and dischargeable storage battery for supplying power to the blower;

and the thermoelectric generation element is arranged on the backlight side and charges the storage battery.

The following provides several alternatives, but not as additional limitations to the above-described overall scheme, and only further additions or preferences, each of which may be individually combined for the above-described overall scheme, or may be combined among multiple alternatives, without technical or logical contradictions.

Optionally, the fan is installed on the drive box including built-in drive power supply, the battery sets up the inside of drive box.

Optionally, a gap is formed between the driving box and the backlight side, and the fan is disposed in the gap.

Optionally, the lamp comprises an arch-shaped bracket crossing the lamp body, the arch-shaped bracket comprises a main body part in the middle and connecting parts at two ends, and the driving box is fixed on the main body part.

Optionally, the main body part is rectangular structure, and four side turns over downwards and encloses into a space of hiding the drive box.

Optionally, the length of the two sides in the width direction is greater than the length of the two sides in the length direction, so as to form a connecting part for connecting the lamp body.

Optionally, heat dissipation holes are formed in the side edges of the turnups.

Optionally, the arch-shaped bracket is formed by stamping and bending a metal plate.

Optionally, the lamp body includes the backplate of middle part arch, the diffuser plate of relative backplate arrangement and fixes the luminous subassembly that sets up towards the diffuser plate on the backplate.

Optionally, the lamp comprises an arch-shaped bracket which spans the lamp body, wherein the arch-shaped bracket comprises a main body part in the middle and connecting parts with two ends connected with two opposite sides of the lamp body.

The LED lamp is provided with the thermoelectric generation element, when the temperature in the lamp body rises, the storage battery is charged to enable the fan to operate, compared with the prior art, the fan does not additionally use electric energy, and the problem of increasing the power consumption of the lamp is avoided.

Drawings

Fig. 1 is a schematic structural diagram of an LED lamp with a self-heat dissipation function according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of the LED lamp of FIG. 1 with self-dissipating function;

fig. 3 is a cross-sectional view of an LED lamp with a self-heat dissipation function according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is a schematic view of the drive cassette mounted within the arched bracket;

FIG. 6 is an exploded view of the lamp body;

fig. 7 is an enlarged view of B in fig. 3.

Reference numerals in the drawings are described as follows:

10. a lamp body; 11. a light emitting side; 12. a backlight side; 13. a back plate; 14. a diffusion plate; 15. a light emitting assembly; 16. a frame; 17. positioning holes;

20. a blower;

30. an arch-shaped bracket; 31. a main body portion; 32. a connection part; 33. a side edge; 34. a heat radiation hole; 35. flanging;

40. a thermoelectric generation element;

50. a drive box; 51. a gap.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In this application, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a system, article, or apparatus that comprises a list of elements is not necessarily limited to those elements expressly listed but may include other elements not expressly listed or inherent to such article or apparatus.

When the LED lamp is used for lighting, electric energy is not completely converted into light energy, and the other part of electric energy is converted into heat energy, so that the internal temperature of the LED lamp can rise, the service life of the lamp can be influenced due to overhigh internal temperature, and heat needs to be timely emitted. The existing heat dissipation mode is generally passive heat dissipation, when the heat dissipation effect of the passive heat dissipation is not ideal, the heat dissipation can be further accelerated by adopting an active heat dissipation mode, but the mode generally requires additional electric energy, and the power consumption of the LED lamp can be increased.

In order to solve this problem, referring to fig. 1 to 7, an embodiment of the present application provides an LED lamp, which includes a lamp body 10, a fan 20, a chargeable and dischargeable storage battery, and a thermoelectric generation element 40.

Wherein the lamp body 10 has a light emitting side 11 and a backlight side 12, the blower 20 is disposed toward the backlight side 12, the temperature of the backlight side 12 is lowered by blowing air, the battery is used for supplying power to the blower 20, and the thermoelectric generation element 40 is disposed at the backlight side 12 for charging the battery.

When the temperature in the lamp body 10 increases, the thermoelectric generation element 40 starts to operate, charges the battery, and further, the battery supplies power to the fan 20 again, so that the fan 20 operates normally, and then the temperature of the backlight side 12 decreases under the action of the fan 20. Compared with the mode that the prior art actively dissipates heat and needs additional consumption electric energy, when the temperature difference generating element 40 of the application is increased in the temperature of the inside of the lamp body, the storage battery is charged to enable the fan to operate, the electric energy is not used additionally, and the problem of increasing the power consumption of the lamp is avoided.

Referring to fig. 2 to 4, the led lamp includes a driving case 50 having a driving power source built therein, the blower 20 is mounted on the driving case 50, a battery (not shown) is provided inside the driving case 50, a gap 51 is provided between the driving case 50 and the backlight side 12, and the blower 20 is disposed in the gap 51. In order to dissipate heat more uniformly, the number of fans 20 may be plural, and may be specifically set according to the requirement, in this embodiment, the number of fans 20 is 2, and thermoelectric generation elements 40 are disposed between two fans 20.

Referring to fig. 5, the led lamp includes an arch-shaped bracket 30 crossing the lamp body 10, the arch-shaped bracket 30 including a main body portion 31 in the middle and connection portions 32 at both ends, and a driving case 50 fixed to the main body portion 31. The main body 31 has a rectangular structure, and four sides 33 are folded downward to form a space for hiding the driving box 50.

The main body 31 has a longitudinal direction and a width direction, and for ease of understanding, reference is made to X and Y directions in fig. 5, specifically, the X direction is the longitudinal direction and the Y direction is the width direction. The folded length of both side edges 33 in the width direction is longer than the folded length of both side edges 33 in the length direction, forming a connection portion 32 to connect the lamp body 10.

Naturally, for further heat dissipation, the folded side edges 33 are provided with heat dissipation holes 34. The heat dissipation holes 34 are strip-shaped, are specifically arranged on the side edges 33 in the length direction, and are distributed at a plurality of positions.

In this embodiment, the arch support 30 is formed by stamping and bending a metal plate.

Referring to fig. 6 to 7, the lamp body 10 includes a frame 16, a back plate 13 arched in the middle, a diffusion plate 14 disposed opposite to the back plate 13, and a light emitting assembly 15 fixed on the back plate 13 and disposed toward the diffusion plate 14. The diffusion plate 14 and the back plate 13 are stacked on the frame 16, the edge of the diffusion plate 14 is abutted against the edge of the back plate 13 by local bending, the light-emitting assembly 15 specifically comprises a substrate and LED lamp beads arranged on the substrate, the diffusion plate 14 has a light-transmitting function, and light emitted by each LED lamp bead passes through the diffusion plate 14, so that a uniform surface light source is formed. In one embodiment, the number of the frames 16 is 4, each frame 16 has a horizontal portion and a vertical portion, the diffusion plate 14 is stacked on the horizontal portion, and the vertical portion encloses a limited space to form a rectangular frame edge, so as to cover the mounting structure of the edge of the back plate 13, and perform decoration and a certain protection function.

In one embodiment, the lamp body 10 comprises an arch-shaped bracket 30, wherein the arch-shaped bracket 30 comprises a main body part 31 in the middle and connecting parts 32 with two ends connected with two opposite sides of the lamp body 10. The connecting portion 32 is provided with a flange 35, an opening for a screw hole to pass through is formed in the flange 35, a positioning hole 17 matched with a screw is formed in the frame 16, and when the arched bracket 30 and the lamp body 10 are required to be fixed, the fixing of the arched bracket 30 and the lamp body can be realized only by sequentially passing a bolt through the opening of the flange 35 and the back plate 13 to be fixedly connected with the frame 16.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description. When technical features of different embodiments are embodied in the same drawing, the drawing can be regarded as a combination of the embodiments concerned also being disclosed at the same time.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.

Claims (10)

1. LED lamps and lanterns with from heat dissipation function, its characterized in that includes:

a lamp body having a light emitting side and a backlight side;

a fan arranged towards the backlight side and used for reducing the temperature of the backlight side by air supply;

a chargeable and dischargeable storage battery for supplying power to the blower;

and the thermoelectric generation element is arranged on the backlight side and charges the storage battery.

2. The LED light fixture of claim 1 including a drive box with a built-in drive power supply, the blower being mounted on the drive box and the battery being disposed inside the drive box.

3. The LED light fixture of claim 2 wherein the drive box has a gap between the backlight side and the fan is disposed in the gap.

4. The LED light fixture of claim 2 including an arch-shaped bracket spanning the light body, the arch-shaped bracket including a central body portion and connecting portions at both ends, the drive case being secured to the body portion.

5. The LED lamp of claim 4, wherein the main body has a rectangular structure, and four sides are folded down to form a space for hiding the driving case.

6. The LED lamp of claim 5, wherein the folded length of both sides in the width direction is greater than the folded length of both sides in the length direction, forming a connection portion connecting the lamp body.

7. The LED light fixture of claim 5 wherein the sides of the turnover are provided with heat dissipating holes.

8. The LED light fixture of claim 4 wherein the arched brackets are stamped and bent from sheet metal.

9. The LED light fixture of claim 1 wherein the lamp body includes a centrally arched back plate, a diffuser plate disposed opposite the back plate, and a light emitting assembly secured to the back plate and disposed toward the diffuser plate.

10. The LED light fixture of claim 9 including an arch-shaped bracket spanning the lamp body, the arch-shaped bracket including a central main body portion and connecting portions at opposite ends connecting opposite sides of the lamp body.