CN116877951A - Side steering lamp - Google Patents

Side steering lamp Download PDF

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Publication number
CN116877951A
CN116877951A CN202311012286.0A CN202311012286A CN116877951A CN 116877951 A CN116877951 A CN 116877951A CN 202311012286 A CN202311012286 A CN 202311012286A CN 116877951 A CN116877951 A CN 116877951A
Authority
CN
China
Prior art keywords
led
collimating lens
total reflection
lens unit
convex teeth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311012286.0A
Other languages
Chinese (zh)
Inventor
彭莉斌
刘信国
肖志军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Forda Signal Co ltd
Original Assignee
Guangzhou Forda Signal Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Forda Signal Co ltd filed Critical Guangzhou Forda Signal Co ltd
Priority to CN202311012286.0A priority Critical patent/CN116877951A/en
Publication of CN116877951A publication Critical patent/CN116877951A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
    • F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
    • F21S43/13—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source characterised by the type of light source
    • F21S43/14—Light emitting diodes [LED]
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2103/00—Exterior vehicle lighting devices for signalling purposes
    • F21W2103/20—Direction indicator lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

A side steering lamp comprises a first light source for forming light spots of 30-70 degrees, a second light source for forming light spots of 10-40 degrees and a third light source for forming light spots of 5-10 degrees; the first light source comprises a first LED, a collimating lens vertically arranged above the first LED and a first optical protrusion arranged on a first emergent surface at the top of the collimating lens, the second light source comprises a second LED, a vertical semi-collimating lens unit vertically arranged above the second LED and a second optical protrusion arranged on a second emergent surface at the top of the vertical semi-collimating lens unit, and the third light source comprises the second LED and a horizontal semi-collimating lens unit horizontally arranged on one side of the second LED. According to the invention, the lens group can be used for driving the LED light rays out of 6 types of side-turning requirements which meet the basic 5 types of side-turning requirements and are stricter, so that the application range of the side-turning lamp is wider.

Description

Side steering lamp
Technical Field
The invention relates to a car lamp, in particular to a side steering lamp of a car.
Background
The automobile side steering lamp is used for warning other vehicles or pedestrians when the vehicle turns, and is generally positioned on two sides of the vehicle body. The side turn lamps of automobiles are generally classified into two types, one mounted on the rear view mirror and one mounted on the side of the vehicle body. Most automotive side turn lamps on the market use either class 5 or class 6 side turns using a reflector solution. For example, in an automobile LED side steering lamp with chinese patent publication No. CN109751572a, a mounting screw is provided on the back of the lamp body, the heat-conducting substrate is in a step shape, the LED light source is mounted on the heat-conducting substrate, the heat-conducting substrate is mounted on the front of the lamp body and is located in the cavity, and at least two air outlets are provided on the lamp body; the LED light source is characterized in that a light ray adjusting cover is further arranged on the heat conducting substrate, the main body surface of the light ray adjusting cover is an inclined surface, the main body surface of the light ray adjusting cover is located above the LED light source, a cylindrical table corresponding to the LED light source is arranged on the lower surface of the main body surface, a concave surface is arranged in the middle of the cylindrical table, and a light emitting table is arranged on the upper surface of the main body surface. In the scheme for realizing the light spot regulation requirement by using the adjusting cover, the light spots are not uniform enough, and the regulation requirement of 6-class side rotation is difficult to really realize.
Disclosure of Invention
The invention aims to solve the technical problem of providing a side steering lamp which can simultaneously meet the 5-class and 6-class side steering requirements, and has the advantages of simple integral structure and convenient installation.
In order to solve the technical problems, the technical scheme of the invention is as follows: a side steering lamp comprises a first light source for forming light spots of 30-70 degrees, a second light source for forming light spots of 10-40 degrees and a third light source for forming light spots of 5-10 degrees; the first light source comprises a first LED, a collimating lens vertically arranged above the first LED and a first optical protrusion arranged on a first emergent surface at the top of the collimating lens, a first groove is arranged at the bottom of the collimating lens, a first incident surface is formed on the inner wall of the first groove, the first optical protrusion is in a tooth shape and comprises a first total reflection convex tooth and a first refraction convex tooth, and light rays emitted by the first LED are collimated by the collimating lens and are respectively reflected by the first total reflection convex tooth and refracted by the first refraction convex tooth; the second light source comprises a second LED, a vertical semi-collimating lens unit vertically arranged above the second LED and a second optical protrusion arranged on a second emergent surface at the top of the vertical semi-collimating lens unit, a second groove is formed in the bottom of the vertical semi-collimating lens unit, a second incident surface is formed on the inner wall of the second groove, the second optical protrusion comprises a plurality of second total reflection convex teeth, and light rays emitted by the second LED are collimated by the vertical semi-collimating lens unit and then totally reflected out by the second total reflection convex teeth above; the third light source comprises a second LED and a transverse semi-collimating lens unit horizontally arranged at one side of the second LED, a third groove is formed in one end, facing the second LED, of the transverse semi-collimating lens unit, the third groove is communicated with the second groove, a third incident surface is formed on the inner wall of the third groove, a third emergent surface is formed on the other end of the transverse semi-collimating lens unit, and light rays emitted by the second LED are collimated and emitted by the transverse semi-collimating lens unit; the collimating lens, the vertical semi-collimating lens unit, the transverse semi-collimating lens unit, the first optical bulge and the second optical bulge are integrally formed to form a lens group, and the vertical semi-collimating lens unit is arranged between the collimating lens and the transverse semi-collimating lens unit. The principle of the invention is as follows: according to the invention, the lens group can be used for driving the LED light rays out of 6 types of side-turning requirements which meet the basic 5 types of side-turning requirements and are stricter, so that the application range of the side-turning lamp is wider; the lens group can be integrally formed, the number of parts of the side steering lamp can be reduced, the whole structure is simpler, and the assembly is easy; the refraction, reflection and scattering functions of the lens are utilized, so that the emitted light spots are more uniform and reasonable; the LED light is distributed by the collimating lens, the refraction convex teeth and the reflection convex teeth, so that the requirements of various light emitting angles are met, special inclined arrangement is not needed in the installation of the lamp, and convenience is brought to the installation of the lamp.
As an improvement, the side steering lamp further comprises a lamp body, a PCBA plate arranged on the lamp body and a mask matched with the lamp body.
As an improvement, the inner side surface of the face mask is provided with optical patterns for scattering light rays.
As an improvement, first LED, second LED and lens group are installed on the PCBA board, be equipped with mounting ear and reference column on the lens group, correspond the mounting ear position on the lamp body and be equipped with first support column, correspond the reference column position and be equipped with the second support column, be equipped with first bolt hole on the first support column, the mounting ear passes through the bolt locking in first bolt hole, is equipped with the second locating hole on the second support column, the reference column inserts in the second locating hole.
As an improvement, the upper parts of the first total reflection convex teeth, the first refraction convex teeth and the second total reflection convex teeth and the third emergent surface are respectively provided with light stripes for scattering light.
As an improvement, two three first total reflection convex teeth and one first refraction convex tooth are arranged on the first emergent surface, wherein two first total reflection convex teeth are arranged on one side close to the second total reflection convex teeth, the other first total reflection convex tooth is arranged on the other side, the first refraction convex tooth is arranged between the two first total reflection convex teeth, and the first total reflection convex teeth and the first refraction convex teeth are arranged side by side according to the emergent light direction.
As an improvement, two second total reflection convex teeth which are arranged side by side are arranged on the second emergent surface.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the lens group can be used for driving the LED light rays out of 6 types of side-turning requirements which meet the basic 5 types of side-turning requirements and are stricter, so that the application range of the side-turning lamp is wider; the lens group can be integrally formed, the number of parts of the side steering lamp can be reduced, the whole structure is simpler, and the assembly is easy; the refraction, reflection and scattering functions of the lens are utilized, so that the emitted light spots are more uniform and reasonable; the collimating lens, the refraction convex teeth and the reflection convex teeth are utilized to carry out light distribution on the LED light rays, so that the requirements of various light emitting angles are met, special inclined arrangement is not needed in the installation of the lamp, and convenience is provided for the installation of the lamp; the lens does not need electroplating, so that compared with a reflector scheme, the lens is low in cost and more environment-friendly; the lens scheme can enable the PCBA to be basically as large as the outline of the whole lamp, can enable one PCBA to arrange driving and LEDs at the same time, and is beneficial to heat dissipation.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a perspective view I of a lens assembly.
Fig. 3 is a perspective view II of the lens group.
Fig. 4 is a schematic view of the inside of the mask.
Fig. 5 is a light path diagram of the present invention.
Fig. 6 is a simulated spot diagram.
Fig. 7 is a diagram of regulatory requirements.
Description of the embodiments
The invention is further described below with reference to the drawings.
As shown in fig. 1, a side turn lamp is mainly used for being installed on the side of a vehicle body, and comprises a light source, a lamp body 4, a PCBA plate 3 arranged on the lamp body 4 and a face mask 1 matched with the lamp body 4.
As shown in fig. 2, 3 and 5, the light sources include a first light source for forming a light spot of 30-70 degrees, a second light source for forming a light spot of 10-40 degrees and a third light source for forming a light spot of 5-10 degrees. The first light source comprises a first LED 5, a collimating lens 21 vertically arranged above the first LED 5 and a first optical protrusion arranged on a first emergent surface at the top of the collimating lens 21; the collimating lens 21 collimates lambertian light emitted by the first LED 5 to a direction of HH of 90 degrees, the collimating lens 21 is a complete revolution body, a first groove 211 with an opening at the bottom is arranged at the bottom of the collimating lens 21, and a first incident surface is formed on the inner wall of the first groove 211 and is matched with the first LED 5; the first optical protrusions are in a tooth shape and comprise first total reflection convex teeth 24 and first refraction convex teeth 25, two three first total reflection convex teeth 24 and one first refraction convex tooth 25 are arranged on the first emergent surface in total, wherein the two first total reflection convex teeth are arranged on one side close to the second total reflection convex teeth, the other first total reflection convex teeth 24 are arranged on the other side, the first refraction convex teeth 25 are arranged between the two first total reflection convex teeth 24, the first total reflection convex teeth 24 and the first refraction convex teeth 25 are arranged side by side according to the emergent light direction, the first two teeth are front row teeth, the second two teeth are rear row teeth, and the front row teeth cannot block the light of the rear row teeth; the sections of the first total reflection convex teeth 24, the first refraction convex teeth 25 and the second total reflection convex teeth are triangular, and the upper parts of the first total reflection convex teeth, the first refraction convex teeth and the second total reflection convex teeth are provided with light stripes for scattering light; the light emitted by the first LED 5 is collimated by the collimating lens 21, and is respectively reflected by the first total reflection convex teeth 24 and refracted by the first refraction convex teeth 25, so that a light spot of 30-70 degrees is formed. The second light source comprises a second LED 6, a vertical semi-collimating lens unit 22 vertically arranged above the second LED 6 and a second optical protrusion arranged on a second emergent surface at the top of the vertical semi-collimating lens unit 22; the vertical semi-collimating lens unit 22 is a semi-collimating lens, which can collimate lambertian light emitted by the second LED to the HH transverse 90-degree direction, the bottom of the vertical semi-collimating lens unit 22 is provided with a second groove 221 with an opening at the bottom and one side, and the inner wall of the second groove 221 forms a second incident surface; the second optical protrusion includes a plurality of second total reflection convex teeth 26, and in this embodiment, two second total reflection convex teeth 26 are disposed side by side on the second exit surface; the cross section of the second total reflection convex teeth 26 is triangular, and the upper parts of the second total reflection convex teeth are provided with light stripes for scattering light; the light rays emitted by the second LED 6 are collimated by the vertical semi-collimating lens unit 22, and then are totally reflected by the second total reflection convex teeth 26 above, so that 10-40-DEG light spots are formed. The third light source comprises the second LED 6 and a transverse semi-collimating lens unit 23 arranged on one side of the second LED 6 in a lying manner; the lateral semi-collimating lens unit 23 is a semi-collimating lens, and can collimate lambertian light emitted by the second LED to a direction of HH of 5 degrees, one end of the lateral semi-collimating lens unit 23 facing the second LED 6 is provided with a third groove 231, the third groove 231 is communicated with the second groove 221, and a third incident surface is formed on the inner wall of the third groove 231; the other end of the transverse semi-collimating lens unit 23 forms a third emergent surface, and light stripes for scattering light rays are arranged on the third emergent surface; the light emitted by the second LED 6 is collimated and emitted by the transverse semi-collimating lens unit 23 to form a light spot with the angle of 5-10 degrees.
As shown in fig. 1 and 2, the collimating lens 21, the vertical semi-collimating lens unit 22, the horizontal semi-collimating lens unit 23, the first optical protrusion and the second optical protrusion are integrally formed to form the lens group 2, and the vertical semi-collimating lens unit 22 is disposed between the collimating lens and the horizontal semi-collimating lens unit 23. The first LED 5, the second LED 6 and the lens group 2 are arranged on the PCBA board 3, the lens group 2 is provided with a mounting lug 27 and a positioning column 28, a first support column is arranged on the lamp body 4 corresponding to the mounting lug, a second support column is arranged on the lamp body corresponding to the positioning column, a first bolt hole is formed in the first support column, the mounting lug is locked in the first bolt hole through a bolt, a second positioning hole is formed in the second support column, and the positioning column is inserted into the second positioning hole. As shown in fig. 4, the inner side surface of the mask 1 is provided with optical patterns for scattering light, which includes a vertical decorative pattern 11 arranged in the HH transverse direction and a vertical arc surface 12 arranged in the VV longitudinal direction, where the vertical arc surface 12 is used to diffuse light in the longitudinal direction, and the light spots of the whole lamp can reach up and down 30 degrees in the VV longitudinal direction by matching with the vertical decorative pattern 11 on the inner lens. For brightness requirements, two groups of lenses can be arranged side by side.
The principle of the invention is as follows: as shown in fig. 6 and 7, the invention can realize that the LED light rays are emitted to 6 types of side-turning requirements which meet the basic 5 types of side-turning requirements and are stricter through the lens group, so that the application range of the side-turning lamp is wider; the lens group can be integrally formed, the number of parts of the side steering lamp can be reduced, the whole structure is simpler, and the assembly is easy; the refraction, reflection and scattering functions of the lens are utilized, so that the emitted light spots are more uniform and reasonable; the collimating lens, the refraction convex teeth and the reflection convex teeth are utilized to carry out light distribution on the LED light rays, so that the requirements of various light emitting angles are met, special inclined arrangement is not needed in the installation of the lamp, and convenience is provided for the installation of the lamp; the lens does not need electroplating, so that compared with a reflector scheme, the lens is low in cost and more environment-friendly; the lens scheme can enable the PCBA to be basically as large as the outline of the whole lamp, can enable one PCBA to arrange driving and LEDs at the same time, and is beneficial to heat dissipation.

Claims (7)

1. A side turn signal, characterized in that: the light source comprises a first light source for forming light spots with the angle of 30-70 degrees, a second light source for forming light spots with the angle of 10-40 degrees and a third light source for forming light spots with the angle of 5-10 degrees; the first light source comprises a first LED, a collimating lens vertically arranged above the first LED and a first optical protrusion arranged on a first emergent surface at the top of the collimating lens, a first groove is arranged at the bottom of the collimating lens, a first incident surface is formed on the inner wall of the first groove, the first optical protrusion is in a tooth shape and comprises a first total reflection convex tooth and a first refraction convex tooth, and light rays emitted by the first LED are collimated by the collimating lens and are respectively reflected by the first total reflection convex tooth and refracted by the first refraction convex tooth; the second light source comprises a second LED, a vertical semi-collimating lens unit vertically arranged above the second LED and a second optical protrusion arranged on a second emergent surface at the top of the vertical semi-collimating lens unit, a second groove is formed in the bottom of the vertical semi-collimating lens unit, a second incident surface is formed on the inner wall of the second groove, the second optical protrusion comprises a plurality of second total reflection convex teeth, and light rays emitted by the second LED are collimated by the vertical semi-collimating lens unit and then totally reflected out by the second total reflection convex teeth above; the third light source comprises a second LED and a transverse semi-collimating lens unit horizontally arranged at one side of the second LED, a third groove is formed in one end, facing the second LED, of the transverse semi-collimating lens unit, the third groove is communicated with the second groove, a third incident surface is formed on the inner wall of the third groove, a third emergent surface is formed on the other end of the transverse semi-collimating lens unit, and light rays emitted by the second LED are collimated and emitted by the transverse semi-collimating lens unit; the collimating lens, the vertical semi-collimating lens unit, the transverse semi-collimating lens unit, the first optical bulge and the second optical bulge are integrally formed to form a lens group, and the vertical semi-collimating lens unit is arranged between the collimating lens and the transverse semi-collimating lens unit.
2. A side turn signal as claimed in claim 1 wherein: the side steering lamp also comprises a lamp body, a PCBA board arranged on the lamp body and a mask matched with the lamp body.
3. A side turn signal as claimed in claim 2 wherein: the inner side surface of the face mask is provided with optical patterns for scattering light rays.
4. A side turn signal as claimed in claim 1 wherein: the LED lamp comprises a lamp body, a first LED, a second LED, a lens group, a first support column, a second support column, a first bolt hole, a second positioning hole and a positioning column, wherein the first LED, the second LED and the lens group are arranged on a PCBA board, the lens group is provided with a mounting lug and the positioning column, the first support column is arranged on the lamp body at the position corresponding to the mounting lug, the second support column is arranged at the position corresponding to the positioning column, the first bolt hole is formed in the first support column, the mounting lug is locked in the first bolt hole through the bolt, the second positioning hole is formed in the second support column, and the positioning column is inserted into the second positioning hole.
5. A side turn signal as claimed in claim 1 wherein: and light stripes used for scattering light rays are arranged on the upper parts of the first total reflection convex teeth, the first refraction convex teeth and the second total reflection convex teeth and the third emergent surface.
6. A side turn signal as claimed in claim 1 wherein: two three first total reflection convex teeth and one first refraction convex tooth are arranged on the first emergent surface, wherein the two first total reflection convex teeth are arranged on one side close to the second total reflection convex teeth, the other first total reflection convex tooth is arranged on the other side, the first refraction convex tooth is arranged between the two first total reflection convex teeth, and the first total reflection convex teeth and the first refraction convex teeth are arranged side by side according to the emergent direction.
7. A side turn signal as claimed in claim 1 wherein: and two second total reflection convex teeth which are arranged side by side are arranged on the second emergent surface.
CN202311012286.0A 2023-08-11 2023-08-11 Side steering lamp Pending CN116877951A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311012286.0A CN116877951A (en) 2023-08-11 2023-08-11 Side steering lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311012286.0A CN116877951A (en) 2023-08-11 2023-08-11 Side steering lamp

Publications (1)

Publication Number Publication Date
CN116877951A true CN116877951A (en) 2023-10-13

Family

ID=88264613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311012286.0A Pending CN116877951A (en) 2023-08-11 2023-08-11 Side steering lamp

Country Status (1)

Country Link
CN (1) CN116877951A (en)

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