CN213146164U

CN213146164U - LED light-emitting unit device with uniform heat dissipation

Info

Publication number: CN213146164U
Application number: CN202021754069.0U
Authority: CN
Inventors: 刘亚伟
Original assignee: Pizhou Anda Electronics Co ltd
Current assignee: Pizhou Anda Electronics Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-07
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a LED luminescence unit device that heat dissipation is even, including the base, the inside top open-ended that is equipped with of base holds the chamber, the bellying surface that holds the intracavity portion bottom is equipped with bottom printing opacity base plate, bottom printing opacity base plate surface is equipped with the LED chip, it is equipped with middle part printing opacity base plate to hold the chamber middle part, middle part printing opacity base plate surface is equipped with green glow LED chip, it is equipped with upper portion printing opacity base plate to hold chamber upper portion, upper portion printing opacity base plate is equipped with blue light LED chip, it is equipped with down louvre, well louvre and last louvre respectively to hold the chamber both sides, the inside rake type cooling tube that is equipped with of base, rake type cooling tube respectively with louvre, well louvre, last louvre intercommunication down, rake type cooling tube bottom be equipped with the.

Description

LED light-emitting unit device with uniform heat dissipation

Technical Field

The utility model relates to a LED heat dissipation technical field, concretely relates to LED luminescence unit device that dispels heat is even.

Background

With the development of semiconductor lighting technology, LEDs (Light Emitting diodes) have been widely used as backlight sources in the fields of tablet computers, notebook computers, liquid crystal displays, large-sized lcd televisions, indoor and outdoor lighting, and the like. The illumination LED is generally applied to the fields of bulb lamps, fluorescent lamps, plane lamps and the like, and in order to make application simpler and lower cost, market customers at present hope that the color temperature and the color rendering index (color rendering index, for short, color rendering index) of a single white LED light-emitting unit can be adjusted.

In the prior art, the LED emits light and heat for illumination, but the heat is easy to generate, and the heat cannot be dissipated timely, which affects the use, so that an LED convenient for heat dissipation is needed.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a heat-dissipating LED light-emitting unit device, which solves the problems of the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the LED light-emitting unit device with uniform heat dissipation comprises a base, wherein a holding cavity with an open top end is arranged in the base, a bottom light-transmitting substrate is arranged on the surface of a protruding portion at the bottom end in the holding cavity, an LED chip is arranged on the surface of the bottom light-transmitting substrate, a middle light-transmitting substrate is arranged in the middle of the holding cavity, a green LED chip is arranged on the surface of the middle light-transmitting substrate, an upper light-transmitting substrate is arranged on the upper portion of the holding cavity, a blue LED chip is arranged on the upper light-transmitting substrate, lower heat dissipation holes, middle heat dissipation holes and upper heat dissipation holes are respectively arranged on two sides of the holding cavity, a rake-shaped heat dissipation tube is arranged in the base and is respectively communicated with the lower heat dissipation holes, the middle heat dissipation holes and the upper heat dissipation holes, an exhaust pipe communicated with the outside of the base, A plurality of air holes communicated with the bottom light-transmitting substrate.

To the utility model discloses further description, base one side be equipped with pin one that green glow LED chip electricity is connected.

To the utility model discloses further description, base one side still be equipped with pin two that the LED chip electricity is connected.

Right the utility model discloses further description, the base opposite side be equipped with pin three that the blue light LED chip electricity is connected.

To the utility model discloses further description, the base bottom still be equipped with the filter screen of bleeder vent intercommunication.

Compared with the prior art, the utility model has the advantages of:

the LED heat dissipation device has the advantages that the defect that the use is influenced because the heat of the traditional LED cannot be dissipated timely is solved, the design of uniform heat dissipation is adopted, the heat inside can be dissipated by utilizing the design of the rake type heat dissipation pipe, meanwhile, the plurality of air holes are formed in the bottom of the heat dissipation device and used for assisting in heat dissipation, the heat can be effectively dissipated, and the service life is prolonged.

Drawings

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

fig. 2 is a schematic top view of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1, as shown in fig. 1-2:

the LED light-emitting unit device with uniform heat dissipation comprises a base 1, a holding cavity 2 with an open top end is arranged inside the base 1, a bottom light-transmitting substrate 7 is arranged on the surface of a protruding portion of the bottom end inside the holding cavity 2, an LED chip 8 is arranged on the surface of the bottom light-transmitting substrate 7, a middle light-transmitting substrate 4 is arranged in the middle of the holding cavity 2, a green LED chip 5 is arranged on the surface of the middle light-transmitting substrate 4, an upper light-transmitting substrate 3 is arranged on the upper portion of the holding cavity 2, a blue LED chip 6 is arranged on the upper light-transmitting substrate 3, lower radiating holes 13, middle radiating holes 14 and upper radiating holes 15 are respectively arranged on two sides of the holding cavity 2, a rake-shaped radiating pipe 101 is arranged inside the base 1, the rake-shaped radiating pipe 101 is respectively communicated with the lower radiating holes 13, the middle radiating holes 14 and the upper radiating holes 15, an exhaust pipe, A plurality of air holes 11 communicated with the bottom light-transmitting substrate 7. In order to facilitate external wiring, a first pin 9 electrically connected with the green LED chip 5 is arranged on one side of the base 1, a second pin 10 electrically connected with the LED chip 8 is further arranged on one side of the base 1, and a third pin 16 electrically connected with the blue LED chip 6 is arranged on the other side of the base 1. In order to avoid dust entering, the bottom end of the base 1 is also provided with a filter screen 12 communicated with the air holes 11.

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 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 by those skilled in the art.

Claims

1. The utility model provides a LED luminescence unit device that heat dissipation is even, includes base (1), and base (1) inside is equipped with open-top's chamber (2) that holds, its characterized in that, the bellying surface that holds the inside bottom in chamber (2) is equipped with bottom printing opacity base plate (7), bottom printing opacity base plate (7) surface is equipped with LED chip (8), it is equipped with middle part printing opacity base plate (4) to hold chamber (2) middle part, middle part printing opacity base plate (4) surface is equipped with green glow LED chip (5), it is equipped with upper portion printing opacity base plate (3) to hold chamber (2) upper portion, upper portion printing opacity base plate (3) are equipped with blue light LED chip (6), it is equipped with down louvre (13), well louvre (14) and last louvre (15) respectively to hold chamber (2) both sides, base (1) inside is equipped with rake type cooling tube (101), rake type cooling tube (101) respectively with lower louvre, The middle radiating holes (14) and the upper radiating holes (15) are communicated, an exhaust pipe (102) communicated with the outside of the base (1) is arranged at the bottom end of the rake type radiating pipe (101), and a plurality of air holes (11) communicated with the outside of the base (1) and the bottom light-transmitting base plate (7) are formed in the protruding portion at the bottom end inside the accommodating cavity (2).

2. The LED luminous unit device with uniform heat dissipation as defined in claim 1, wherein one side of the base (1) is provided with a first pin (9) electrically connected with the green LED chip (5).

3. The LED luminous unit device with uniform heat dissipation as recited in claim 1, wherein a second pin (10) electrically connected with the LED chip (8) is further disposed on one side of the base (1).

4. The LED luminous unit device with uniform heat dissipation as defined in claim 1, wherein the other side of the base (1) is provided with a pin III (16) electrically connected with the blue LED chip (6).

5. The LED light-emitting unit device with uniform heat dissipation according to claim 1, wherein a filter screen (12) communicated with the air holes (11) is further disposed at the bottom end of the base (1).