CN213458784U

CN213458784U - Backlight source with heat radiation structure

Info

Publication number: CN213458784U
Application number: CN202023057750.2U
Authority: CN
Inventors: 熊伟
Original assignee: Dongguan Haixian Photoelectric Technology Co ltd
Current assignee: Dongguan Haixian Photoelectric Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-06-15
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a backlight with heat radiation structure, including the heating panel, the equal equidistance of both ends of heating panel is dug relatively and is equipped with a plurality of funnel wind gaps, and the inside of heating panel is located and digs between per two relative funnel wind gaps and is equipped with the siphunculus, and the top of heating panel can be dismantled and be connected with the light source board, the top fixedly connected with fin of siphunculus, the utility model has the advantages of it is following: the bottom of the backlight plate is provided with the heat dissipation plate, and the heat of the light source plate is conducted and exhausted through the heat dissipation plate, so that the service life of the backlight source is prolonged; the inside of the heat dissipation plate is a combination of a funnel air port with two large ends and a small middle part and a through pipe, and the air flow speed and the heat dissipation effect are improved by utilizing the principle that the small flow speed of a drainage basin is high.

Description

Backlight source with heat radiation structure

Technical Field

The utility model relates to a show accessory technical field, concretely relates to backlight with heat radiation structure.

Background

The backlight is a light source located at the back of the display, and its luminous effect will directly affect the visual effect of the display module.

The backlight source has different materials and different advantages and disadvantages, wherein the backlight plate of the hot cathode fluorescent tube generates heat seriously, if technical heat dissipation is unavailable, the service life of the backlight plate is easily affected, and if water cooling or fan heat dissipation is obviously unrealistic in the backlight source of the mobile phone, the backlight source is required to be provided with a heat dissipation structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the backlight plate of the hot cathode fluorescent tube generates heat seriously, if the heat can not be radiated technically, the service life of the backlight plate is easy to be influenced, and the backlight source with the heat radiation structure is provided, so that the heat of the light source plate is conducted and exhausted through the heat radiation plate, and the service life of the backlight source is prolonged; the inside of the heat dissipation plate is a combination of a funnel air port with two large ends and a small middle part and a through pipe, and the air flow speed and the heat dissipation effect are improved by utilizing the principle that the small flow speed of a drainage basin is high.

The utility model provides a technical scheme that technical problem adopted is: the utility model provides a backlight with heat radiation structure, includes the heating panel, the equal equidistance in both ends of heating panel is dug relatively and is equipped with a plurality of funnel wind gaps, the inside of heating panel is located cuts between per two relative funnel wind gaps and is equipped with the siphunculus, the top of heating panel can be dismantled and be connected with the light source board, the top fixedly connected with fin of siphunculus.

As a preferred technical scheme of the utility model, the top excavation of heating panel is equipped with spacing slot, the inside of spacing slot is inserted and is equipped with the picture peg, the spacing ball of bottom fixedly connected with of picture peg, the top of picture peg and the bottom fixed connection of light source board.

As a preferred technical scheme of the utility model, one side excavation of spacing slot is equipped with flexible groove, the inside sliding connection in flexible groove has trapezoidal stopper, trapezoidal stopper and picture peg and spacing ball contact.

As a preferred technical scheme of the utility model, trapezoidal stopper is located flexible inslot portion one end fixedly connected with gag lever post, the outside cover of gag lever post is equipped with the spring, spring and trapezoidal stopper fixed connection, the one end that trapezoidal stopper was kept away from to the spring and the inner wall fixed connection in flexible groove, the length of spring is the twice of gag lever post length.

The utility model has the advantages of it is following: the bottom of the backlight plate is provided with the heat dissipation plate, and the heat of the light source plate is conducted and exhausted through the heat dissipation plate, so that the service life of the backlight source is prolonged; the inside of the heat dissipation plate is a combination of a funnel air port with two large ends and a small middle part and a through pipe, and the air flow speed and the heat dissipation effect are improved by utilizing the principle that the small flow speed of a drainage basin is high.

Drawings

Fig. 1 is a schematic perspective view of a heat dissipating plate according to a preferred embodiment of the present invention;

fig. 2 is a sectional structure diagram of a heat dissipating plate according to a preferred embodiment of the present invention;

fig. 3 is an enlarged schematic view of a preferred embodiment of the present invention at a;

fig. 4 is a schematic front view of a preferred embodiment of the present invention.

Description of reference numerals: 1. a heat dissipation plate; 2. a funnel tuyere; 3. pipe passing; 4. limiting slots; 5. a light source plate; 6. inserting plates; 7. a limiting ball; 8. a telescopic groove; 9. a trapezoidal limiting block; 10. a limiting rod; 11. a spring; 12. and a heat sink.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention will be further explained with reference to the accompanying drawings.

Please refer to fig. 1-4 in combination, the backlight source with heat dissipation structure of the present invention comprises a heat dissipation plate 1, wherein a plurality of funnel wind ports 2 are oppositely cut at equal intervals at both ends of the heat dissipation plate 1, a through pipe 3 is cut between every two opposite funnel wind ports 2 inside the heat dissipation plate 1, a light source plate 5 is detachably connected above the heat dissipation plate 1, and a heat dissipation plate 12 is fixedly connected to the top of the through pipe 3.

The top of heating panel 1 is excavated and is equipped with spacing slot 4, the inside of spacing slot 4 is inserted and is equipped with picture peg 6, the spacing ball 7 of bottom fixedly connected with of picture peg 6, the top of picture peg 6 and the bottom fixed connection of light source board 5, one side of spacing slot 4 is excavated and is equipped with flexible groove 8, the inside sliding connection in flexible groove 8 has trapezoidal stopper 9, trapezoidal stopper 9 contacts with picture peg 6 and spacing ball 7, trapezoidal stopper 9 is located the inside one end fixedly connected with gag lever post 10 in flexible groove 8, the outside cover of gag lever post 10 is equipped with spring 11,

spring

11 and 9 fixed connection of trapezoidal stopper, spring 11 keeps away from the one end of trapezoidal stopper 9 and the inner wall fixed connection in flexible groove 8, spring 11's length is the twice of gag lever post 10 length.

Specifically, the utility model discloses during the use, in inserting spacing slot 4 through picture peg 6 with the bottom of light source board 5, push trapezoidal stopper 9 through spring 11 and extrude, it is spacing to extrude picture peg 6, spacing ball 7 of 6 bottoms of picture peg can prevent that picture peg 6 from being taken out at will, through the heat conduction discharge of heating panel 1 with light source board 5, improve the life of backlight, 1 inside funnel wind gap 2 of heating panel is the little air current territory in the big middle part of trace with siphunculus 3, utilize the fast principle of the little flow rate in the basin, improve the air flow speed, and the radiating effect is improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a backlight with heat radiation structure, its characterized in that, includes heating panel (1), the equal equidistance in both ends of heating panel (1) is dug relatively and is equipped with a plurality of funnel wind gap (2), the inside of heating panel (1) is located to dig between per two relative funnel wind gap (2) and is equipped with siphunculus (3), the top of heating panel (1) can be dismantled and be connected with light source board (5), the top fixedly connected with fin (12) of siphunculus (3).

2. The backlight with the heat dissipation structure as claimed in claim 1, wherein a limiting slot (4) is cut at the top of the heat dissipation plate (1), an insertion plate (6) is inserted into the limiting slot (4), a limiting ball (7) is fixedly connected to the bottom of the insertion plate (6), and the top of the insertion plate (6) is fixedly connected to the bottom of the light source plate (5).

3. The backlight source with the heat dissipation structure as recited in claim 2, wherein a telescopic slot (8) is cut at one side of the limiting slot (4), a trapezoidal limiting block (9) is slidably connected inside the telescopic slot (8), and the trapezoidal limiting block (9) is in contact with the inserting plate (6) and the limiting ball (7).

4. The backlight source with the heat dissipation structure as recited in claim 3, wherein a limiting rod (10) is fixedly connected to one end of the trapezoidal limiting block (9) located inside the telescopic groove (8), a spring (11) is sleeved outside the limiting rod (10), the spring (11) is fixedly connected to the trapezoidal limiting block (9), one end of the spring (11) far away from the trapezoidal limiting block (9) is fixedly connected to the inner wall of the telescopic groove (8), and the length of the spring (11) is twice the length of the limiting rod (10).