CN215112444U

CN215112444U - LED support, LED light source and vehicle

Info

Publication number: CN215112444U
Application number: CN202121229871.2U
Authority: CN
Inventors: 蒋政春; 曾云波
Original assignee: Shenzhen Derun Optics Co ltd
Current assignee: Shenzhen Derun Optics Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-10
Anticipated expiration: 2031-06-01

Abstract

The utility model relates to a vehicle engineering field discloses a LED support, LED light source and vehicle, the LED support includes: the LED lamp comprises a frame body, a lamp body and a lamp holder, wherein the frame body is provided with a cavity and an airtight structure, the airtight structure is arranged at a cavity opening of the cavity, which is far away from the cavity bottom, the cavity is used for mounting an LED chip, and the airtight structure is used for improving the air tightness of the cavity in the frame body packaging process; the conductive part is accommodated in the frame body. In this way, the embodiment of the utility model provides a can realize improving the leakproofness of LED support after the encapsulation.

Description

LED support, LED light source and vehicle

Technical Field

The embodiment of the utility model provides a relate to the lighting technology field, especially relate to a LED support, LED light source and vehicle.

Background

With the wide application of LED products and the increasing maturity of LED lighting technologies, LED products have been widely used in the automotive field, including atmosphere lamps, indicator lamps, turn lights, brake lights, headlamps, etc., because automotive products have high requirements for reliability, how to improve product performance is particularly important, the structural design of LED support is upgraded and optimized, and the promotion of product competitiveness is a permanent theme.

The utility model discloses an inventor is realizing the utility model discloses an in-process discovery: the LED support usually includes support body and electrically conductive piece, the support body is provided with the cavity, the cavity mainly used installation LED chip, the LED support of installing the LED chip becomes the LED light source through encapsulating encapsulation process in process of production, and the liquid glue that pours into in the cavity lacks seal structure between cooling shaping back and cavity inner wall, outside moisture can reach the inside of cavity after permeating into the accent from the outside promptly, cause the outside moisture of LED support to get into in the cavity and then lead to the life reduction of LED equipment from accent department easily.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a main technical problem who solves provides a LED support, LED light source and vehicle, can reduce the outside moisture of LED support and lead to the problem that LED equipment life reduces by a wide margin in getting into the cavity from the accent.

In order to solve the technical problem, the utility model discloses a technical scheme be: provided is an LED support, including:

the LED chip packaging structure comprises a frame body, wherein the frame body is provided with a cavity for mounting an LED chip, an airtight structure is arranged in the cavity and used for being combined with packaging glue so as to increase the air tightness of the cavity, and the distance from the airtight structure to a cavity opening is smaller than the distance from the airtight structure to a cavity bottom;

the conductive part is accommodated in the frame body.

Optionally, the cavity is at least provided with an installation plane lower than the surface plane of the cavity opening;

the airtight structure comprises a boss which is arranged on the mounting plane around the cavity opening, and the boss is spaced from the cavity wall on the mounting plane.

Optionally, the cavity is provided with a plurality of mounting planes lower than the surface plane of the cavity opening, and the mounting plane is provided with the boss.

Optionally, the boss and the cavity wall on the mounting plane are arranged at an interval to form an airtight groove, and the distance from the airtight groove to the surface plane of the cavity opening is greater than the distance from the mounting plane to the surface plane of the cavity opening.

Optionally, the distance from the airtight groove to the surface plane of the cavity opening is smaller than the distance from the mounting plane to the surface plane of the cavity opening.

Optionally, the cross-sectional shape of the boss is rectangular.

Optionally, the cross-sectional shape of the boss is trapezoidal.

Optionally, the boss is in a crenellated shape or a crenellated shape.

An LED light source comprises an LED chip and the LED bracket, wherein the LED chip is contained in a cavity of the LED bracket and is electrically connected with a conductive piece.

A vehicle comprising an LED light source as described above.

The embodiment of the utility model provides an in, through the accent department of support body sets up airtight structure, thereby strengthens the LED support strengthen the colloid after the encapsulation encapsulating with leakproofness between the cavity reduces the risk that external moisture gets into the cavity through the joint gap between accent and the colloid.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the LED support of the present invention;

fig. 2 is a schematic view of a frame body of an embodiment of the LED bracket of the present invention;

fig. 3 is a schematic view of a mounting plane of an embodiment of the LED bracket of the present invention;

fig. 4 is a schematic view of a conductive member of an embodiment of the LED bracket of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. 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 be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, an LED bracket 1 includes a bracket body 10, a conductive member 20, and a sealing layer 30, where the bracket body 10 is provided with a cavity 101, the cavity 101 is used to accommodate an LED chip, a part of the conductive member 20 is accommodated in the bracket body 10, a part of the conductive member 20 accommodated in the bracket body 10 is located at a cavity bottom of the cavity 101, and the sealing layer 30 is arranged at the cavity bottom of the cavity 101 and is located on a surface of the conductive member 20 facing an opening of the cavity 101.

In the embodiment of the present invention, the cavity 101 is a cylindrical shape.

In other embodiments, the cavity 101 is conically disposed, and a sectional area of the cavity 101 gradually increases from a position close to a cavity bottom to a direction of a cavity opening, so that the LED chip mounted in the cavity 101 can be reflected out of the cavity 101 through a higher diffusion of the conically disposed cavity 101, thereby enhancing an intensity of the light emitted from the cavity 101.

Referring to fig. 2 and 3, the frame body 10 is further provided with an airtight structure 102, a through hole 103 and a receiving groove 104. The airtight structure 102 is disposed at a cavity opening of the cavity 101 away from the cavity bottom, that is, the distance from the airtight structure 102 to the cavity opening is smaller than the distance from the airtight structure 102 to the cavity bottom. The through hole 103 is communicated with the cavity 101 and the outside of the frame body 10, the accommodating groove 104 is formed in the surface of the frame body 10 deviating from the cavity 101, the conductive member 20 extends out of the cavity 101 through the through hole 103, and the conductive member 20 extending out of the cavity 101 is accommodated in the accommodating groove 104 after being bent.

Further, the chamber body 101 is provided with a mounting plane 1011 lower than the surface plane of the chamber opening, and the airtight structure 102 is disposed on the mounting plane 1011. In the embodiment of the present invention, the airtight structure 102 includes a boss 1021 and an airtight groove 1022, the boss 1021 is disposed on the mounting plane 1011 around the cavity, and the boss 1021 is spaced from a cavity wall on the mounting plane 1011, the cavity wall on the mounting plane 1011 and the boss 1021 are spaced to form the airtight groove 1022, and a distance from the airtight groove 1022 to the cavity plane is greater than a distance from the mounting plane 1011 to the cavity surface plane; or the distance from the air-tight groove 1022 to the surface plane of the cavity opening is equal to the distance from the installation plane 1011 to the surface plane of the cavity opening; alternatively, the distance from the air-tight groove 1022 to the plane of the orifice surface is smaller than the distance from the mounting plane 1011 to the plane of the orifice surface. LED support 1 is at the in-process of encapsulation encapsulating, and liquid encapsulation is glued and is filled cavity 101, encircles the accent and sets up boss 1021 makes fashioned encapsulating glue part accept after liquid encapsulation is glued and cooled off the shaping in the cavity, from this, works as the outside moisture of LED support 1 slowly permeates from the accent in the cavity 101, the moisture need pass through the inside that can get into cavity 101 of stopping of airtight groove 1022 and boss 1021, thereby very big extension LED support 1's life.

In some other embodiments, the cavity 101 is provided with a plurality of mounting planes 1011 lower than the surface plane of the cavity opening, a drop is provided between the plurality of mounting planes 1011 at a vertical distance from the cavity bottom, one of the mounting planes 1011 is provided with one of the bosses 1021, and a plurality of the air-tight grooves 1022 are formed between every two of the plurality of bosses 1021.

In some embodiments, the bosses 1021 are serrated or crenellated.

In some other embodiments, the boss 1021 has a rectangular cross section, and the rectangular boss 1021 is easy to manufacture and produce the frame body 10.

In other embodiments, the cross section of the boss 1021 is trapezoidal, and the cross sectional area of the boss 1021 in the trapezoidal arrangement gradually increases from the installation plane 1011 to a direction away from the installation plane 1011, so that the airtight groove 1022 formed by the boss 1021 and the inner wall of the cavity 101 can further prolong the path of moisture permeating into the interior of the cavity 101, thereby further prolonging the service life of the LED support 1.

It is worth to be noted that the frame body 10 is formed by injection molding, and for convenience of mold drawing, the outer wall of the frame body 10 is provided with a certain inclination angle.

Referring to fig. 4, the conductive member 20 includes a first connecting member 201 and a second connecting member 202. A portion of the first connector 201 is mounted at the bottom of the cavity 101, and the portions of the first connector 201 and the second connector 202 mounted at the bottom of the cavity are spaced from each other, another portion of the first connector 201 extends out of the frame body 10 from the through hole 103, and the first connector 201 extending out of the frame body 10 is bent to form a first pin 2012 and is accommodated in the accommodating groove 104. A portion of the second connector 202 is mounted at the bottom of the cavity 101, another portion of the second connector 202 extends out of the frame body 10 from the through hole 103, and the second connector 202 extending out of the frame body 10 is bent to form a second pin 2022 and is accommodated in the accommodating groove 104. The first lead 2012 and the second lead 2022 accommodated in the accommodating groove 104 are flush with a surface of the frame body 10 away from the cavity 101.

Further, the area of the portion of the cavity 101 where the first connecting part 201 is installed is larger than the area of the portion of the cavity 102 where the second connecting part 202 is installed, or the area of the portion of the cavity 102 where the second conductive part 202 is installed is larger than the area of the portion of the cavity 101 where the first conductive part 201 is installed.

In some embodiments, the first connecting member 201 is provided with a first lacking hole 2011, the second connecting member 202 is provided with a second lacking hole 2021, the frame body 10 extends toward the through hole 103 to form a plug-in post 105, and the plug-in post 105 is plugged into the first lacking hole 2011 and the second lacking hole 2021. Specifically, in the process of bending the first connecting member 201 and the second connecting member 202, the first notch 2011 and the second notch 2021 may reduce stress generated by bending the first connecting member 201 and the second connecting member 202, so as to further reduce a risk of separation between the conductive member 20 and the frame body 10, and the post 105 is used to fix the first connecting member 201 and the second connecting member 202, so that the first connecting member 201 and the second connecting member 202 may be firmly fixed in the frame body 10 in the process of bending.

In some embodiments, the conductive member 20 is made of copper, and the conductive member 20 and the frame body 10 made of copper are more tightly combined due to good combination property of copper and plastic. It is understood that in other embodiments, the conductive member 20 may be made of other conductive member 20 metals, including but not limited to the materials described in the above embodiments.

As for the sealing layer 30 described above, the sealing layer 30 is provided with a prepared hole 301, and the prepared hole 301 is used for mounting an LED chip. Wherein, the sealing layer 30 with support body 10 integrated into one piece, its specific forming process is: after the conductive member 20 is placed in a preset mold, the frame body 10 is formed by injection molding in the mold, in the process of injection molding, one surface of the conductive member 20 abuts against the cavity bottom of the cavity 101, and the other surface of the conductive member 20 abuts against the sealing layer 30, that is, the conductive member 20 is located between the sealing layer 30 and the cavity bottom of the cavity 101. By arranging the sealing layer 30, the exposed area of the conductive element 20 in the cavity 101 is reduced, so that the path of outside moisture entering the cavity 101 along the path of the conductive element 20 is prolonged, and the service life of the LED support 1 is prolonged.

Furthermore, a combination column 302 extends from one side of the sealing layer 30 facing the conductive member 20, the conductive member 20 is provided with a combination hole 203, and the combination column 302 is inserted into the combination hole 203. Wherein, a preset distance is provided between the combining hole 203 and the inner wall of the cavity 101, and the preset distance is 1/3 of the diameter of the cavity 101. The fit connection of the combining column 302 and the combining hole 203 enables the connection between the conductive member 20 and the sealing layer 30 to be fixed more tightly, and the risk of the conductive member 20 sliding in the cavity 101 is greatly reduced. It should be noted that the preset distance recited in the present invention is only one preferred embodiment, and the specific value of the preset distance may be other values according to the actual situation, which is not limited herein.

In some embodiments, the number of the combination posts 302 is multiple, the number of the combination holes 203 is multiple, the number of the combination posts 302 corresponds to the number of the combination holes 203 one by one, and one combination post 302 is inserted into one combination hole 203. The insertion of the plurality of coupling posts 302 into the plurality of coupling holes 203 greatly improves the connection stability between the sealing layer 30 and the conductive member 20.

In some embodiments, the angle between the sidewall of the preformed hole 301 and the conductive member 20 is a right angle, and the preformed hole 301 disposed at the right angle can maintain good sealing performance between the LED chip mounted in the preformed hole 301 and the sealing layer 30.

In other embodiments, the sidewall of the preformed hole 301 has an inclination angle, so that the LED chip can be more conveniently and rapidly mounted in the preformed hole 301.

The embodiment of the utility model provides a through set up airtight structure 102 on support body 10, and will airtight structure 102 set up in cavity 101's mouth department makes LED support 1 can pass through when the encapsulation airtight structure 102 strengthens the combination with the encapsulation is glued, improves the sealing performance of support body 10 in mouth department to prolong external moisture and follow cavity 101's mouth department infiltration advances route in the cavity 101 reaches the effect of extension LED support 1 life.

The utility model also provides a LED light source embodiment, the LED light source include the LED chip and as above arbitrary embodiment LED support 1, the LED light source accept in the cavity 101 of LED support 1, and the LED chip with electrically conductive piece electricity is connected. Please refer to the above embodiments for the structure and function of the LED bracket 1, which is not described in detail herein.

The utility model also provides a vehicle embodiment, include as above-mentioned the LED light source.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. An LED support, comprising:

the conductive part is accommodated in the frame body.

2. The LED support of claim 1,

the cavity is at least provided with an installation plane lower than the surface plane of the cavity opening;

3. The LED support according to claim 2,

the cavity is provided with a plurality of mounting planes which are lower than the surface plane of the cavity opening, and the mounting plane is provided with the boss.

4. The LED support according to claim 3,

the boss and the cavity wall on the installation plane are arranged at intervals to form an airtight groove, and the vertical distance from the airtight groove to the surface plane of the cavity opening is larger than or equal to the distance from the installation plane to the surface plane of the cavity opening.

5. The LED support according to claim 3,

the boss and the cavity wall on the installation plane are arranged at intervals to form an airtight groove, and the vertical distance from the airtight groove to the surface plane of the cavity opening is smaller than the distance from the installation plane to the surface plane of the cavity opening.

6. The LED support according to any of claims 2 to 5,

the cross section of the boss is rectangular.

7. The LED support according to any of claims 2 to 5,

the cross section of the boss is trapezoidal.

8. The LED support according to any of claims 2 to 5,

the lug boss is in a crenellated shape or a crenellated shape.

9. An LED light source, comprising an LED chip and the LED holder as claimed in any one of claims 1 to 8, wherein the LED chip is accommodated in a cavity of the LED holder, and the LED chip is electrically connected to the conductive member.

10. A vehicle comprising the LED light source of claim 9.