CN210219398U

CN210219398U - An LED desk lamp with heat dissipation function

Info

Publication number: CN210219398U
Application number: CN201920448948.1U
Authority: CN
Inventors: Wen Jiang; 蒋雯; Huimin Zhang; 张慧敏; Zhiwei Zhan; 詹志伟
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-03-31
Anticipated expiration: 2029-04-04

Abstract

The utility model provides an LED desk lamp with a heat dissipation function, which comprises a base, an elastic connecting rod and a light-emitting assembly. The base is connected with the light-emitting assembly through the elastic connecting rod. , the main body of the light-emitting part and the main body cover of the light-emitting part are snapped together, the lamp board assembly is arranged in the cavity formed by the main body of the light-emitting part and the main body cover of the light-emitting part, the lampshade is clamped on the lower end of the main body of the light-emitting part, and the main body of the light-emitting part is also opened with A plurality of first heat dissipation holes, and a plurality of second heat dissipation holes. The utility model is simple in structure and reasonable in design. By arranging the first heat dissipation hole and the second heat dissipation hole at both ends of the main body of the light-emitting part to make it have a certain height difference, good air convection is formed, and the cavity is the most suitable for the air. On the one hand, the flow channel is conducive to heat dissipation, and on the other hand, it avoids the direct contact between the lamp board assembly and the lamp, so as to avoid the aging and yellowing of the lamp due to high temperature, and further improve the service life of the lamp.

Description

LED table lamp with heat dissipation function

Technical Field

The utility model belongs to the technical field of a LED lamp technique and specifically relates to a LED table lamp with heat dissipation function.

Background

Since the LED lamp has advantages of high quality, durability, energy saving, etc., it is used as the most commonly used lighting lamp, and since the LED can directly and efficiently convert electric energy into visible light, has a service life as long as several ten thousand hours to 10 ten thousand hours, and has an energy saving advantage, the LED lamp manufactured by the LED is used as the most commonly used lighting lamp with advantages of high quality, durability, energy saving, etc.

Generally, the basic structure of an LED is a semiconductor P-N junction, when a current flows through an LED element, the temperature of the P-N junction rises, the heat dissipation effect of the conventional LED lamp is poor, and since the temperature of the LED lamp rises continuously when the LED lamp emits light, if the heat generated by the LED lamp cannot be dissipated in time during continuous lighting work, the LED lamp is damaged, aged, yellowed, and the like, and the service life of the LED lamp is seriously affected. Therefore, solving the heat dissipation problem of the LED lamp is very important to improve the performance of the LED lamp.

However, some existing LED lamps adopt a motor and a heat dissipation cylinder to achieve heat dissipation, and although the structure can meet the heat dissipation requirement, the structure is complex, the manufacturing cost is high, and the practicability is not strong.

Disclosure of Invention

Not enough to prior art, the utility model provides a LED table lamp with heat dissipation function.

The technical scheme of the utility model is that: an LED desk lamp with heat dissipation function comprises a base, an elastic connecting rod and a light emitting component, wherein the base is connected with the light emitting component through the elastic connecting rod, the light emitting component comprises a light emitting part main body, a light emitting part main body cover, a lamp panel component and a lampshade, the light emitting part main body and the light emitting part main body cover are clamped together, the lamp panel component is arranged in a cavity formed by the light emitting part main body and the light emitting part main body cover, the lamp panel component is arranged on the light emitting part main body through a connecting piece, an opening matched with the lampshade is further formed in the light emitting part main body at the lower end of the lamp panel component, the lampshade is arranged at the lower end of the light emitting part main body through the opening clamp, a first channel is formed in the space between the lamp panel component and the lampshade, a second channel is formed in the space between the lamp panel component and the light emitting part main body cover, the inclined side surface at the top end of the luminous part main body is further provided with a plurality of second heat dissipation holes, the first channel and the second channel are communicated with the plurality of first heat dissipation holes and the plurality of second heat dissipation holes, and the first heat dissipation holes and the second heat dissipation holes are arranged at certain heights to form good convection holes, so that heat in the cavities is taken out through convection air.

Furthermore, a plurality of second louvre and lamp plate assembly between contained angle be the obtuse angle.

Furthermore, the number of the first heat dissipation holes is at least 8, and the number of the second heat dissipation holes is at least 8.

Furthermore, the lampshade is provided with a plurality of first lugs, second lugs and third lugs which are used for being clamped with the light-emitting part main body.

Furthermore, the light-emitting part main body is provided with a first clamping groove, a second clamping groove and a third clamping groove which are matched with the first lug, the second lug and the third lug.

Further, be provided with a recess on the lamp shade, this recess forms first passageway with lamp plate assembly, is favorable to the heat dissipation on the one hand, and on the other hand has avoided lamp plate assembly and lamp shade direct contact to avoid the lamp shade ageing, further increased the life of lamp shade.

Furthermore, the lampshade is made of plastics.

The utility model has the advantages that: simple structure, reasonable in design, through setting up first louvre and second louvre at the both ends of illuminating part main part for certain difference in height has between first louvre and the second louvre, thereby form fine air convection, be provided with corresponding passageway in the cavity in addition, do benefit to the heat dissipation on the one hand, on the other hand avoids lamp plate assembly direct and illuminating part main part and lamp shade contact, thereby avoids leading to its ageing, yellowing problem because high temperature, has further improved the life of lamps and lanterns.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the light emitting module of the present invention;

fig. 3 is a schematic structural view of the lampshade of the present invention;

FIG. 4 is a partial enlarged view of the first heat dissipating hole of the present invention;

fig. 5 is a partial enlarged view of the second heat dissipation hole of the present invention.

In the figure, 1-base, 2-elastic connecting rod, 3-light emitting component, 31-light emitting component body cover, 32-lamp panel component, 33-light emitting component body, 34-lamp shade, 35-first heat dissipation hole, 36-second heat dissipation hole, 331-cavity, 332-opening, 341-groove, 342-first bump, 343-second bump, 344-third bump.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, an LED desk lamp with heat dissipation function comprises a base 1, an elastic connecting rod 2, and a light emitting assembly 3, wherein the base 1 is connected with the light emitting assembly 3 through the elastic connecting rod 2, as shown in fig. 2, the light emitting assembly 3 comprises a light emitting main body 33, a light emitting main body cover 31, a lamp panel assembly 32, and a lampshade 34, the light emitting main body 33 is fastened with the light emitting main body cover 31, the lamp panel assembly 32 is disposed in a cavity 331 formed by the light emitting main body 33 and the light emitting main body cover 31, the lamp panel assembly 32 is disposed on the light emitting main body 33 through a connecting piece, an opening 332 matched with the lampshade 34 is further disposed on the light emitting main body 33 at the lower end of the light emitting main body 32, the lampshade 34 is fastened at the lower end of the light emitting main body 33 through the opening 332, a first channel is formed between the lamp panel assembly, a second channel is formed between the lamp panel assembly 32 and the light emitting main body cover 31, as shown in fig. 4 and 5, a plurality of first heat dissipation holes 35 are further formed in the bottom side surface of the light emitting main body 33, the number of the first heat dissipation holes 35 is preferably 8, a plurality of second heat dissipation holes 36 are further formed in the inclined side surface of the top end of the light emitting main body 33, the number of the second heat dissipation holes is preferably 8, air convection in the channel is realized through the plurality of first heat dissipation holes 35 and the plurality of second heat dissipation holes 36, the first channel and the second channel are communicated with the plurality of first heat dissipation holes 35 and the plurality of second heat dissipation holes 36, and due to the arrangement positions of the first heat dissipation holes 35 and the second heat dissipation holes 36, a certain height is formed between the first heat dissipation holes 35 and the second heat dissipation holes 36, and heat in the cavity 331 is taken out through convection air.

Further, a plurality of second louvre 36 and lamp plate assembly 32 between the contained angle be the obtuse angle.

Further, as shown in fig. 3, the lamp housing 34 is provided with a plurality of first protrusions 342, second protrusions 343, and third protrusions 344 for engaging with the light emitting unit.

Further, the light emitting main body 33 is further provided with a first card slot, a second card slot, and a third card slot for matching with the first protrusion 342, the second protrusion 343, and the third protrusion 344.

Further, be provided with a recess 341 on the lamp shade 34, this recess 341 and lamp plate assembly form 32 and form first passageway, are favorable to the heat dissipation on the one hand, have further improved the heat dispersion of lamps and lanterns, have further improved the life of lamps and lanterns, and on the other hand has avoided

lamp plate assembly

32 and 34 direct contact of lamp shade to avoid lamp shade 34 ageing, further increased the life of lamp shade 34.

Further, the lampshade 34 is made of PC material.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a LED desk lamp with heat dissipation function, includes base, elastic connecting rod, light emitting component, the base pass through elastic connecting rod and be connected its characterized in that with light emitting component: the light-emitting component comprises a light-emitting part main body, a light-emitting part main body cover, a lamp panel component and a lamp shade, wherein the light-emitting part main body and the light-emitting part main body cover are clamped together, the lamp panel component is arranged in a cavity formed by the light-emitting part main body and the light-emitting part main body cover and is arranged on the light-emitting part main body through a connecting piece, an opening matched with the lamp shade is further formed in the light-emitting part main body at the lower end of the lamp panel component, the lamp shade is clamped at the lower end of the light-emitting part main body through the opening, a first channel is formed in the space between the lamp panel component and the lamp shade, a second channel is formed in the space between the lamp panel component and the light-emitting part main body cover, a plurality of first heat dissipation holes are further formed in the bottom side surface of the light-emitting part main body, a plurality of, The second heat dissipation holes are communicated.

2. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: the number of the first heat dissipation holes is at least 8, and the number of the second heat dissipation holes is at least 8.

3. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: and the included angle between the second heat dissipation holes and the lamp panel assembly is an obtuse angle.

4. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: the lampshade is provided with a plurality of first lugs, second lugs and third lugs which are used for being clamped with the light emitting part main body.

5. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: the light emitting part main body is also provided with a first clamping groove, a second clamping groove and a third clamping groove which are matched with the first lug, the second lug and the third lug.

6. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: be provided with a recess on the lamp shade, the space between this recess and the lamp plate subassembly forms first passageway.

7. The LED table lamp with the heat dissipation function as recited in claim 1, wherein: the lampshade is made of plastics.