CN210088735U

CN210088735U - LED lamp for vehicle

Info

Publication number: CN210088735U
Application number: CN201921283197.9U
Authority: CN
Inventors: 黃吉慶; 吳柏昇
Original assignee: Yangzhou Aite Photoelectric Co Ltd
Current assignee: Yangzhou Aite Photoelectric Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-02-18
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses an automobile-used LED lamp, including circuit board, leaded light post, with leaded light post matched with LED light source and irritate a packet portion, circuit board top installation LED light source, and the circuit board outside is provided with irritates a packet portion, and the leaded light post is installed in the circuit board top, and the leaded light post is located inside the irritate packet portion, the leaded light post includes first cylinder, second cylinder, changeover portion and spherical portion, carries out the transmission of light source through the leaded light post, the utility model provides an among the prior art automobile-used LED lamp irradiation range little, the inhomogeneous technical problem of illumination.

Description

LED lamp for vehicle

Technical Field

The utility model relates to a lamp equipment technical field for the vehicle especially relates to a LED lamp for vehicle.

Background

Compared with the traditional bulb, the LED light source has the advantages of pure light color, lower energy consumption, good anti-seismic effect, long service life and the like, in the industries of automobiles, motorcycles, electric vehicles and the like, the LED light source gradually replaces the position of the traditional common halogen lamp to become more and more motor vehicle standard road lighting equipment, the existing vehicle lamp can only irradiate a certain angle due to structural limitation, and a plurality of areas can not be illuminated, so that the safety of motor vehicles walking at night is influenced, and the driver has a dark field, so that the LED light source can not cope with some emergency situations.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle LED lamp has solved the technical problem that the vehicle LED lamp irradiation range is little, illumination is inhomogeneous among the prior art.

An LED lamp for a vehicle comprises a circuit board, a light guide column, an LED light source and a filling part, wherein the LED light source is matched with the light guide column, the filling part is arranged above the circuit board, the light guide column is arranged above the circuit board and is positioned inside the filling part, the light guide column comprises a first column body, a second column body, a transition section and a spherical surface part, the bottom of the first column body is provided with a spherical inner concave surface, the outer surface of the first column body forms a first reflecting surface, the inner concave surface forms an incident surface, and the inner concave surface is positioned right above the LED light source; the second cylinder is arranged above the first cylinder, the central line of the second cylinder is consistent with that of the first cylinder, a transition section is arranged above the second cylinder, the outer surface of the second cylinder forms a second reflecting surface, a spherical surface portion is arranged above the transition section, the outer surface of the transition section is a spherical table curved surface, the outer surface of the transition section forms a first emergent surface, and the outer surface of the spherical surface portion is a second emergent surface.

On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:

further, the ratio of the diameter of the first cylinder to the diameter of the second cylinder is 5: 1-3.

Further, the ratio of the diameter of the second cylinder to the diameter of the inner concave surface is 1: 1-2.

Furthermore, the outer surface of the second column body, the outer surface of the transition section and the outer surface of the spherical surface part are in smooth transition, and the beneficial effect of the step is to ensure that the light-emitting surface is a smooth surface.

Further, the diameter ratio of the transition section to the spherical part is 2: 3-4.

Further, the encapsulating part is a silica gel encapsulating part, and the beneficial effect of the step is that the silica gel is used for packaging, and meanwhile, the uniformity of the light source is ensured.

Further, first cylinder bottom surface with leave the clearance between the LED light source upper surface, adopt this step's beneficial effect be leaded light post can receive the LED light source when can avoiding the LED lamp plate area that generates heat to accomplish the dispersion of light source.

Further, connecting portions are arranged on two sides of the second column body, a groove is formed in the outer edge of the circuit board, the connecting portions are arranged inside the groove, and the beneficial effect of the step is that the stability of connection of the circuit board and the light guide column is guaranteed.

Furthermore, the bottom of the connecting part is provided with a clamping hook part, and the clamping hook part is contacted with the bottom surface of the circuit board.

Further, the light guide column is a PC piece.

The utility model has the advantages that:

1. the utility model provides an automobile-used LED lamp installs the leaded light post on the circuit board, can guarantee irradiant homogeneity through the leaded light post of independently designing, and can enlarge the angle of illumination, reduces the vision blind area.

2. The utility model discloses simple structure, simple to operate, and shine effectually.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an LED lamp for a vehicle according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the vehicle LED lamp according to embodiment 1 of the present invention after the removal of the potting portion;

fig. 3 is a schematic structural view of a light guiding pillar of an LED lamp for a vehicle according to embodiment 1 of the present invention;

reference numerals:

1-a circuit board; 2-a light guide column; 3-an LED light source; 4-a bag filling part;

101-a groove;

201-a first cylinder; 202-a second cylinder; 203-a transition section; 204-a spherical portion; 205-an inner concave surface; 206 — a first reflective surface; 207-an entrance face; 208-a second reflective surface; 209-first exit face; 210-a second exit face; 211-a connecting portion; 212-hook portion.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, it is to be understood that the terms "upper", "lower", "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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

As shown in fig. 1-3, the LED lamp for a vehicle provided in this embodiment includes a circuit board 1, a light guide column 2, an LED light source 3 and an encapsulating portion 4, where the LED light source 3 is installed above the circuit board 1, and the encapsulating portion 4 is disposed on the outer side of the circuit board 1, the light guide column 2 is installed above the circuit board 1, and the light guide column 2 is located inside the encapsulating portion 4, the cross section of the circuit board 1 in this embodiment is T-shaped, and the tail end of the circuit board extends out of the outer side of the encapsulating portion 4, so as to be conveniently connected to a circuit, the light guide column 2 is installed on the circuit board 1, and the encapsulating portion 4 is a silica gel encapsulating portion, so as to ensure uniform distribution of light sources and avoid a dark illumination area;

the light guide column 2 comprises a first column body 201, a second column body 202, a transition section 203 and a spherical part 204, wherein a spherical inner concave surface 205 is arranged in the middle of the bottom of the first column body 201, the ratio of the diameter of the first column body 201 to the diameter of the second column body 202 is 5:1-3, the ratio of the diameter of the second column body 202 to the diameter of the inner concave surface 205 is 1:1-2, a first reflecting surface 206 is formed on the outer surface of the first column body 201, an incident surface 207 is formed on the inner concave surface 205, the inner concave surface 205 is located right above an LED light source 3, and the light source can be better captured through the inner concave surface 205, so that the light guide column is convenient to guide, wherein the light guide column 2 is a PC piece, so that the processing;

the second cylinder 202 is arranged above the first cylinder 201, the central line of the second cylinder 202 is consistent with that of the first cylinder 201, a transition section 203 is arranged above the second cylinder 202, and a second reflecting surface 208 is formed on the outer surface of the second cylinder 202; a spherical surface part 204 is arranged above the transition section 203, the outer surface of the transition section 203 is a spherical frustum curved surface, a first exit surface 209 is formed on the outer surface of the transition section 203, the outer surface of the spherical surface part 204 is a second exit surface 210, the outer surfaces of the second cylinder 202 and the transition section 203, and the outer surfaces of the transition section 203 and the spherical surface part 204 are in smooth transition, and the diameter ratio of the transition section 203 to the spherical surface part 204 is 2: 3-4; in this embodiment, the LED light source 3 includes an LED substrate and a plurality of LED chips disposed on the LED substrate; this embodiment is through designing the concrete structure to leaded light post 2, like this, can catch under the condition of more light sources to accomplish light guiding and divergent light source.

As shown in fig. 1, a gap is left between the bottom surface of the first column 201 and the upper surface of the LED chip 302, and the light guide column can receive the LED light source while avoiding the heating area of the LED lamp panel, so as to complete the dispersion of the light source.

As shown in fig. 3, two sides of the second column 202 are provided with connecting portions 211, the outer edge of the circuit board 1 is provided with a groove 101, the connecting portions 211 are arranged inside the groove 101, and the connecting portions 211 and the groove 101 are matched with each other to complete connection, so that the connection stability of the circuit board 1 and the light guide column 2 can be ensured.

As shown in fig. 3, a hook portion 212 is disposed at the bottom of the connecting portion 211, and the hook portion 212 contacts with the bottom surface of the circuit board 1, so that the connection stability between the circuit board 1 and the light guide bar 2 can be further ensured.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The LED lamp for the vehicle is characterized by comprising a circuit board, a light guide column, an LED light source matched with the light guide column and a pouring part, wherein the LED light source is installed above the circuit board, the pouring part is arranged on the outer side of the circuit board, the light guide column is installed above the circuit board and is positioned inside the pouring part, the light guide column comprises a first column body, a second column body, a transition section and a spherical surface part, a spherical concave surface is arranged at the bottom of the first column body, a first reflecting surface is formed on the outer surface of the first column body, an incident surface is formed on the concave surface, and the concave surface is positioned right above the LED light source; the second cylinder is arranged above the first cylinder, the central line of the second cylinder is consistent with that of the first cylinder, a transition section is arranged above the second cylinder, the outer surface of the second cylinder forms a second reflecting surface, a spherical surface portion is arranged above the transition section, the outer surface of the transition section is a spherical table curved surface, the outer surface of the transition section forms a first emergent surface, and the outer surface of the spherical surface portion is a second emergent surface.

2. The LED lamp for the vehicle as claimed in claim 1, wherein the ratio of the diameter of the first column to the diameter of the second column is 5: 1-3.

3. The LED lamp for the vehicle as claimed in claim 1, wherein the ratio of the diameter of the second cylinder to the diameter of the inner concave surface is 1: 1-2.

4. The LED lamp for the vehicle as claimed in claim 1, wherein the outer surface of the second cylinder and the outer surface of the transition section, and the outer surface of the transition section and the outer surface of the spherical portion are smooth transitions.

5. The LED lamp for the vehicle as claimed in claim 1, wherein the diameter ratio of the transition section to the spherical portion is 2: 3-4.

6. The LED lamp for the vehicle as claimed in any one of claims 1 to 5, wherein the potting portion is a silicone potting portion.

7. The LED lamp of claim 6, wherein a gap is left between the bottom surface of the first pillar and the upper surface of the LED light source.

8. The LED lamp for the vehicle as claimed in claim 7, wherein the second post has connecting portions at both sides thereof, the circuit board has a groove formed at an outer edge thereof, and the connecting portions are disposed inside the groove.

9. The LED lamp for the vehicle as claimed in claim 8, wherein the bottom of the connecting portion is provided with a hook portion, and the hook portion contacts with the bottom surface of the circuit board.

10. The LED lamp for vehicle of claim 9, wherein the light guide pillar is a PC piece.