CN215489553U

CN215489553U - LED support, LED light source and vehicle

Info

Publication number: CN215489553U
Application number: CN202120733159.XU
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: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-01-11
Anticipated expiration: 2031-04-09

Abstract

The utility model relates to the technical field of illumination, and discloses an LED bracket, an LED light source and a vehicle, wherein the LED bracket comprises: the LED lamp holder comprises a holder body, a lamp holder and a lamp holder, wherein the holder body is provided with a cavity, and the cavity is used for mounting an LED chip; the conductive piece comprises a connecting part and pins, the connecting part is connected with the pins, and an included angle between the connecting part and the pins is an acute angle; the frame body is formed in an injection molding mode and is connected with the conductive piece. Through the manner, the embodiment of the utility model can improve the contact area between the injection frame body and the conductive piece and increase the stress surface, and can reduce the phenomenon of material shortage between the frame body and the conductive piece in the packaging process of the frame body.

Description

LED support, LED light source and vehicle

Technical Field

The embodiment of the utility model relates to the technical field of illumination, in particular to an LED bracket, an LED light source and a 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 inventor of the utility model finds out that: the LED support generally includes a support body and a conductive member, the support body is provided with a cavity, and the cavity is generally square in design. With the improvement of the manufacturing technology of the LED product, the size of the LED product is smaller and smaller, and the cavity of the LED bracket is smaller due to the small size, so that after the LED bracket is packaged, the contact area between the bracket body and the conductive piece is too small, and the square cavity is not stressed and is easy to separate.

SUMMERY OF THE UTILITY MODEL

The technical problem mainly solved by the embodiment of the utility model is to provide the LED support, the LED light source and the vehicle, so that the injection molding layer after the LED support is packaged can be firmly fixed in the cavity, and the service life of the LED support is prolonged.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is an LED support, including: the LED lamp holder comprises a holder body, a lamp holder and a lamp holder, wherein the holder body is provided with a cavity, and the cavity is used for mounting an LED chip;

the conductive piece comprises a connecting part and pins, the connecting part is connected with the pins, and an included angle between the connecting part and the pins is an acute angle;

the frame body is formed in an injection molding mode and is connected with the conductive piece.

The number of the conductive pieces is multiple, and the angles between the connecting parts of the conductive pieces and the pins are consistent and are acute angles.

Optionally, one surface of the conductive member is provided with a stressed structure, and the stressed structure is arranged at one end of the pin close to the connecting portion.

Optionally, the two surfaces of the conductive piece are both provided with stressed structures, and the stressed structures are bumps or grooves.

Optionally, the frame body is further provided with a mounting groove, the mounting groove is located at the bottom of the cavity, the through hole is communicated with the mounting groove, and the connecting portion is mounted in the mounting groove.

Optionally, the cavity is tapered, and the cross-sectional area of the cavity gradually increases from the bottom of the cavity close to the mounting groove to a direction away from the mounting groove.

Optionally, a first step is arranged at the bottom of the mounting groove, and the connecting portion is connected to the first step.

Optionally, the number of the mounting grooves is multiple, the number of the mounting grooves corresponds to the number of the conductive pieces, and the connecting portion of one conductive piece is accommodated in one mounting groove.

The utility model further provides an embodiment of the LED light source, which comprises an LED chip and the LED bracket, wherein the LED chip is accommodated in the cavity of the LED bracket and is connected with the connecting part.

The utility model also provides a vehicle embodiment, which comprises the LED light source.

In the embodiment of the utility model, the angle between the connecting part of the conductive piece and the pin is designed to be an acute angle, so that the contact area between the frame body and the conductive piece is increased and the stress surface is increased in the injection molding process of the frame body, and the risk of falling off between the frame body and the conductive piece is reduced.

Drawings

FIG. 1 is a general schematic view of an embodiment of an LED support of the present invention;

FIG. 2 is a schematic view of a frame of an embodiment of an LED support of the present invention;

FIG. 3 is another schematic view of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic diagram of a conductive member of an embodiment of an LED support of the present invention;

FIG. 6 is a general schematic view of another embodiment of an LED support of the present invention;

FIG. 7 is a schematic view of the rack of FIG. 5;

FIG. 8 is another schematic view of FIG. 6;

FIG. 9 is a schematic cross-sectional view of FIG. 5;

fig. 10 is a schematic view of the conductive member of fig. 5.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. 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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. 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, an LED support 1 includes a support body 10 and a conductive member 20, wherein the conductive member 20 is mounted on the support body 10.

Referring to fig. 2, 3 and 4, for the frame body 10, the frame body 10 is provided with a cavity 101, an installation groove 102 and a through hole 103, the installation groove 102 is located at the bottom of the cavity 101, and the through hole 103 is communicated with the installation groove 102. The cavity 101 is used for mounting an LED chip, and the mounting groove 102 and the through hole 103 are used for mounting the conductive member 20.

Specifically, a first step 104 is arranged in the cavity 101, the number of the mounting grooves 102 is multiple, the mounting grooves 102 are arranged at intervals, and a second step 105 is arranged between two adjacent mounting grooves 102. The first step 104 and the second step 105 each have a height and the height of the first step 104 is lower than the height of the second step 105. In addition, the second step 105 divides the cavity 101 into a plurality of functional regions (i.e., a plurality of mounting grooves), and the first step 104 is located in one of the functional regions and divides the functional region into two parts.

Referring to fig. 5, for the conductive devices 20, each of the conductive devices 20 includes a connection portion 201 and a pin 202, and the connection portion 201 is installed in the installation groove 102 and is carried by the first step 104. One end of the pin 202 is connected with the connecting portion 201, and the other end of the pin 202 extends out of the LED support 1 from the through hole 103. The frame body 10 has a plug 106 extending towards the through hole 103, the pin 202 has a plug 203, and the plug 106 is plugged into the plug 203, so that the conductive member 20 is fixed in the cavity 101.

Specifically, the number of the conductive members 20 is plural, one conductive member 20 is respectively accommodated in one mounting groove 102, and sealing glue is filled between the side wall of the connecting portion 201 of the plurality of conductive members 20 and the side wall of the mounting groove 102. When the conductive member 20 is installed in the installation groove 102, the side walls of the connection portion 201 of the conductive member 20 respectively fit with the side walls of the first step 104 and the second step 105 and form a dense passageway. When the conductive member 20 is enclosed in the mounting groove 102, moisture is required to pass through the dense passageway when the moisture is about to permeate into the cavity 101 through the space between the side wall of the connecting portion 201 and the first step 104 or the second step 105 during the use of the LED support 1, so that the moisture is delayed from entering the cavity 101, and the service life of the LED chip installed in the cavity 101 is prolonged. In addition, when the conductive member 20 is installed in the installation groove 102, the sidewall of the connection portion 201 and the sidewall of the installation groove 102 are sealed by filling sealing glue, so that the tightness of the cavity 101 is further ensured.

Furthermore, a plurality of receiving grooves 107 are formed in a surface of the frame body 10 deviating from the cavity 101, the pins 202 are arranged in a bar shape, one end of each of the pins 202 of the conductive member 20 is bent and extends into one of the receiving grooves 107, and the pins 202 bent and received in the receiving grooves 107 are flush with a surface of the frame body 10 deviating from the cavity 101. The pins 202 flush with the surface away from the cavity 101 can connect the LED bracket 1 with an external device by welding or abutting, so as to improve the adaptability of the LED bracket 1. The jack 203 can reduce the bending stress in the bending process of the pin 202, so that the situation that the pin 202 generates stress in the bending process to cause the side wall of the connecting part 201 and the side wall of the mounting groove 102 to generate large displacement deviation to damage the compact channel is avoided, and meanwhile, the pin 202 arranged in a strip shape can also reduce the stress generated in the bending process of the pin 202 to a certain extent.

In the embodiment of the present invention, the connection portion 201 is made of copper, and the connection portion 201 and the pin 202 are integrally formed. It should be noted that in other embodiments, the connecting portion 201 may also be made of other conductive metals, including but not limited to the materials described in this embodiment.

The assembly scheme of the frame body 10 and the conductive member 20 of the present invention is as follows: the frame body 10 is formed by placing the plurality of conductive members 20 in a preset mold, and then injection-molding the plurality of conductive members into the mold, and then filling sealing glue between the side wall of the connecting portion 201 and the side wall of the mounting groove 102. Since the conductive member 20 is made of copper in the embodiment of the present invention, and based on the high bondability between copper and plastic, the dense channel between the sidewall of the connecting portion 201 and the sidewall of the first step 104 or the sidewall of the second step 105 is formed to be tighter, so as to better prevent moisture from entering the cavity 101.

Referring to fig. 6, the LED support 1 includes a support body 10 and a conductive member 20, wherein the conductive member 20 is mounted on the support body 10, and the support body 10 is formed by injection molding and connected to the conductive member 20.

Referring to fig. 7, 8 and 9, the frame body 10 is provided with a cavity 101, a mounting groove 102, a through hole 103 and a connecting groove 108. The mounting groove 102 is located at the bottom of the cavity 101, one end of the connecting groove 108 is communicated with the mounting groove 102, and the other end of the connecting groove 108 is communicated with the through hole 103. The cavity 101 is used for mounting an LED chip, and the mounting groove 102, the through hole 103 and the connecting groove 108 are used for mounting the conductive member 20.

Specifically, the cavity 101 is tapered, and the cross-sectional area of the cavity 101 gradually increases from the bottom of the cavity close to the mounting groove 102 to a direction away from the mounting groove 102, so that the LED chip mounted in the cavity 101 can be better diffusely reflected out of the cavity 101 through the tapered cavity 101, and the intensity of light emitted from the cavity 101 is enhanced. The number of the mounting grooves 102, the number of the through holes 103 and the number of the connecting grooves 108 are multiple, and the number of the mounting grooves 102, the number of the through holes 103 and the number of the connecting grooves 108 correspond to one another. Wherein, one of the connection slots 108 is connected to one of the mounting slots 102 and one of the through holes 103, respectively.

Referring to fig. 10, the conductive member 20 includes a connecting portion 201 and a pin 202, and the connecting portion 201 is installed in the installation groove 102. The pin 201 is accommodated in the connecting groove 108, one end of the pin 202 is connected with the connecting portion 201, and the other end of the pin 201 extends out of the LED bracket 1 from the through hole 103.

Specifically, the number of the conductive members 20 is plural, and the angles formed at the connection portions 201 of the plurality of conductive members 20 and the connection portions of the pins 202 are all acute angles. A plurality of accommodating grooves 107 are formed in a surface of the frame body 10 deviating from the cavity 101, the number of the through holes 103 corresponds to the number of the conductive members 20, one end of each of the pins 202 of the conductive member 20 is bent and extends into one of the accommodating grooves 107, and the pins 202 bent and accommodated in the accommodating grooves 107 are flush with a surface of the frame body 10 deviating from the cavity 101.

Further, one surface of the conductive member 20 is provided with a stress structure 204, and the stress structure 204 is disposed at one end of the pin close to the connecting portion 201, so that the stress structure 204 is disposed to increase a contact area between the pin 202 of the conductive member 20 and the frame body 10 and enhance a friction force between the pin 202 and the frame body 10, thereby reducing a separation phenomenon between the conductive member 20 and the frame body 10. Furthermore, the two surfaces of the conductive member 20 are both provided with the stress structures 204, and the stress structures 204 disposed on the two surfaces of the conductive member 20 further enhance the friction between the pins 202 and the frame body 10, so that the stress area between the conductive member 20 and the frame body 10 is larger, thereby further reducing the probability of separation between the conductive member 20 and the frame body 10.

In the embodiment of the present invention, the force-bearing structure 204 is a bump or a groove, and it should be noted that the force-bearing structure 204 includes, but is not limited to, the above structure, and may also be a texture or other structure that increases the friction between the pin 202 and the frame 10.

The following is an assembly and connection scheme between the holder body 10 and the conductive member 20 according to this embodiment: placing a plurality of the conductive pieces 20 in a preset mold, and forming the frame body 10 by injection molding in the mold after the conductive pieces 20 are placed, wherein an angle between the connecting part 201 and the pins 202 of the conductive pieces 20 is an acute angle, the frame body 10 can be better filled at the connecting part 201 and the pins 202 when injection molding, so that the material shortage between the frame body 10 and the conductive pieces 20 is reduced, the stress area between the frame body 10 and the conductive pieces 20 is provided by the pins 202 arranged at the acute angles of the connecting part 201, and the stress area between the pins 202 and the connecting grooves 108 is enhanced by the stress on the pins 202, so that the frame body 10 and the conductive pieces 20 are not easily separated.

In the embodiment of the present invention, the connecting portion 201 and the pins 202 arranged at an acute angle enable the frame body 10 to be better combined with the conductive member 20 during injection molding, so as to reduce the phenomenon of material shortage at the combination of the frame body 10 and the conductive member 10, and reduce the risk of separation between the frame body 10 and the conductive member 20.

The utility model further provides an embodiment of the LED light source, the LED light source comprises an LED chip and the LED bracket 1 of any embodiment, and the LED light source is accommodated in the cavity 101 of the LED bracket 1. 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 comprising the LED light source.

It should be noted that the description of the present invention and the accompanying drawings illustrate preferred embodiments of the present invention, but the present invention may be embodied in many different forms and is not limited to the embodiments described in the present specification, which are provided as additional limitations to the present invention and to provide a more thorough understanding of the present disclosure. 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 described in the specification; 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 utility model as defined by the appended claims.

Claims

1. An LED support, comprising:

the LED lamp holder comprises a holder body, a lamp holder and a lamp holder, wherein the holder body is provided with a cavity, and the cavity is used for mounting an LED chip;

2. The LED support of claim 1,

3. The LED support according to claim 2,

one side of the conductive piece is provided with a stress structure, and the stress structure is arranged at one end, close to the connecting part, of the pin.

4. The LED support according to claim 3,

and two surfaces of the conductive piece are provided with stress structures, wherein the stress structures are salient points or grooves.

5. The LED support according to claim 4,

the support body still is provided with mounting groove and through-hole, the mounting groove is located the chamber end of cavity, the through-hole intercommunication the mounting groove, connecting portion install in the mounting groove.

6. The LED support according to claim 5,

the cavity is in a conical arrangement, and the sectional area of the cavity is gradually increased from the cavity bottom close to the mounting groove to the direction far away from the mounting groove.

7. The LED support according to claim 6,

the tank bottom of mounting groove is provided with first step, connecting portion accept in on the first step.

8. The LED support according to claim 7,

the number of the mounting grooves is multiple, the number of the mounting grooves corresponds to the number of the conductive pieces, and the connecting portion of the conductive piece is contained in one of the mounting grooves.

9. An LED light source, characterized in that, it comprises an LED chip and the LED support of any one of claims 1-8, the LED chip is accommodated in the cavity of the LED support, and the LED chip is connected with the connecting part.

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