CN107599995B - Luminous sign for automobile - Google Patents

Luminous sign for automobile Download PDF

Info

Publication number
CN107599995B
CN107599995B CN201710846036.5A CN201710846036A CN107599995B CN 107599995 B CN107599995 B CN 107599995B CN 201710846036 A CN201710846036 A CN 201710846036A CN 107599995 B CN107599995 B CN 107599995B
Authority
CN
China
Prior art keywords
light
luminous
led
reflecting
led light
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.)
Active
Application number
CN201710846036.5A
Other languages
Chinese (zh)
Other versions
CN107599995A (en
Inventor
刘洪涛
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.)
Ningbo Gensen Auto Parts Co ltd
Original Assignee
Ningbo Gensen Auto Parts 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 Ningbo Gensen Auto Parts Co ltd filed Critical Ningbo Gensen Auto Parts Co ltd
Priority to CN201710846036.5A priority Critical patent/CN107599995B/en
Publication of CN107599995A publication Critical patent/CN107599995A/en
Application granted granted Critical
Publication of CN107599995B publication Critical patent/CN107599995B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

The utility model provides an automobile luminous sign, includes sign body, light guide plate and base, the sign body is through 3M double faced adhesive the face of pasting of light guide plate, the reflecting surface of light guide plate with the preceding installation face rigid coupling of base, the back installation face of base is towards the preceding grid of car to through corresponding first buckle and screw rigid coupling with preceding grid, the back installation department of base adds illuminator, illuminator includes electronic control box, LED light source, pencil and drive plate, and electronic control box installs at the back installation department of base, and the drive plate is adorned admittedly in electronic control box, the signal output part of drive plate passes through the pencil and is connected with the signal control part of the LED light source that distributes on the base electricity; the power transmission end of the driving plate is electrically connected with the power supply end of the electric level of the automobile, so that power supply to the driving plate is realized. The beneficial effects of the invention are as follows: the LED lamp has the advantages of uniform brightness, high assemblability, reduced cost, simple structure and no change in size. The invention has convenient manufacture and is suitable for industrial mass production.

Description

Luminous sign for automobile
Technical Field
The invention relates to an automobile luminous sign.
Background
Automobile signs are widely used in various types of automobiles because of their appearance decoration function and identification function. The exterior surface of the automobile sign is provided with a plating layer, the automobile sign is shiny at night by means of reflection of an external light source, and the external light source is like a license plate lamp or other lighting lamps arranged on a frame, but the lighting effect is not ideal, and the light source brightness generated by some existing luminous signs is not uniform enough, the structure is complex, and the maintenance is difficult.
Disclosure of Invention
In order to solve the problems of uneven brightness, complex structure and difficult maintenance of the light source generated by the prior automobile sign, the invention provides the automobile luminous sign which can generate uniform brightness, is simple to disassemble and high in assemblability and reduces the cost.
The invention relates to an automobile luminous sign, which comprises a sign body, a light guide plate and a base, wherein the sign body is adhered to the adhering surface of the light guide plate through 3M double-sided adhesive, the reflecting surface of the light guide plate is fixedly connected with the front mounting surface of the base, the rear mounting surface of the base faces the front grille of an automobile and is fixedly connected with the front grille through corresponding first buckles and screws, and the automobile luminous sign is characterized in that: the LED light source comprises a base, a light emitting device, a driving plate, a light emitting device and a control module, wherein the light emitting device is additionally arranged at the rear mounting part of the base and comprises an electronic control box, an LED light source, a wire harness and the driving plate; the power transmission end of the driving plate is electrically connected with the power supply end of the electric level of the automobile, so that power supply to the driving plate is realized; the inner edge and the outer edge of the reflecting surface of the light guide plate are provided with luminous bands along the circumferential direction of the reflecting surface, wherein the luminous bands are composed of a plurality of luminous points for reflecting the light source;
the LED light source comprises an LED lamp bead for providing a light source, a lamp holder for mounting the LED lamp bead and a hemispherical reflecting curved surface for reflecting the light of the LED lamp bead, wherein the lamp holder is detachably connected with the rear mounting part of the base, and a mounting cavity for accommodating the LED lamp bead is reserved between the lamp holder and the rear mounting part; the LED lamp beads are fixedly arranged on the rear mounting part of the base through the lamp holder, the light guide plate covers the light-emitting surface of the LED lamp beads and is fixedly connected with the base, the inner surface of the light guide plate facing the LED lamp beads is provided with a hemispherical reflecting curved surface protruding towards the direction of the LED lamp beads, the hemispherical reflecting curved surface is divided into two parts, namely a light reflecting curved surface positioned in the middle and a light blocking curved surface arranged on the periphery of the light reflecting curved surface, the light reflecting curved surface and the light blocking curved surface are concentric, the outer diameter of the light blocking curved surface is larger than the outer diameter of the light reflecting curved surface, and the central axis of the light reflecting curved surface coincides with the central axis of the light-emitting center of the LED lamp beads; the outer surface of the lampshade is provided with a light source blocking reflection groove, the light source blocking reflection groove is provided with two rectangular pyramids which share vertexes and are used for reflecting LED light, one side surface of the light source blocking reflection groove is used as the bottom surface of the rectangular pyramid, the bottom surface of the light source blocking reflection groove is one side surface of the rectangular pyramid, the remaining two side surfaces of the rectangular pyramid are used as the reflection surfaces c of the light, the vertexes of the rectangular pyramid fall outside the central symmetry surface where the luminous centers of the light reflecting curved surfaces are located, namely, the vertexes of the rectangular pyramid are staggered with the luminous vertexes of the hemispherical reflecting curved surfaces, and the light of the LED lamp beads is enabled to be irradiated onto the luminous points on the luminous belt after being reflected by the hemispherical reflecting curved surfaces, so that the light is fully lightened to form the luminous belt with uniform brightness;
the driving board is provided with an electronic controller for controlling the LED light source to work, a data transmission module for transmitting command signals and a main board for receiving control signals of an automobile driving computer, a signal output end of the electronic controller is electrically connected with a control end of the LED light source through a wire harness, a signal input end of the electronic controller is electrically connected with a signal output end of the data transmission module, a signal input end of the data transmission module is electrically connected with a signal output end of the main board through a constant current driving circuit, and a signal input end of the main board is electrically connected or in signal connection with a signal output end of the automobile driving computer to realize that a sign is lighted when an automobile is opened and closed, unlocked, an engine is started and a trunk is opened; the power supply end of the main board is electrically connected with the power transmission end of the electric level of the automobile.
The LED light source is divided into two groups along the circumferential direction of the label body, the distance between the inner edges and the outer edges of the first group of LED light sources corresponding to the two sides of the label body is smaller than that between the inner edges and the outer edges of the second group of LED light sources corresponding to the two sides of the label body, and the light rays emitted by the two groups of LED light sources are reflected to be emitted to the luminous points, so that all the luminous points are lightened; the upper side and the lower side of the first group of LED light sources are respectively provided with a first blocking groove for blocking part of light rays of the LED light sources, the first blocking grooves are circumferentially arranged along the luminous bands, wavy saw teeth are arranged on the groove walls of the first blocking grooves, which are close to the corresponding LED light sources, so that the luminous points of the luminous bands covered by the corresponding LED light sources are ensured to be uniform in brightness; the periphery of the second group of LED light sources is provided with a blocking groove group for blocking part of light rays of the LED light sources, the blocking groove group is composed of a plurality of second blocking grooves which are unevenly distributed, and the luminous points of the luminous bands covered by the second group of LED light sources, which are lightened, are uniform in brightness.
The first group of LED light sources are circumferentially arranged along the upper half of the sign body, the second group of LED light sources are circumferentially arranged along the lower half of the sign body, and the second group of LED light sources are respectively arranged on two sides of the driving plate.
The input voltage of the driving plate is 12V, and the main board of the driving plate is electrically connected with the data transmission module through the constant current driving circuit, so that the electronic controller is ensured to always output constant electrical connection, and the constant electrical connection is used for maintaining the brightness of the lamp beads and the luminous points of the LED light source.
The power supply of the lamp bead is 2.9V, the current is 350mA, and the power is 1W; the diameter of the lamp bead is 9mm, and the reflection angle alpha of the light source generated by the lamp bead 1 120 °; diameter R of light source reflection curved surface 1 An outer diameter R of the blocking curved surface of 3.5mm 2 4.5mm; one of the reflecting surfaces c of the rectangular pyramid forms an angle alpha with the surface of the lamp holder 2 At 20 DEG, the other reflecting surface c forms an angle alpha with the surface of the lamp holder 3 35 deg..
Diameter R of the luminous point 3 1.0mm; and the distance D between two adjacent luminous points 1 0.6mm; distance D between outermost luminous point and outer edge of light guide plate 2 1.0mm.
The light guide plate is fixedly connected with the base through a second buckle of the clamping part and the welding point.
The distance between the surface of the lamp holder and the luminous center of the light reflection curved surface is more than 1.7 mm.
Luminous top of vertex b of rectangular pyramid and hemispherical reflecting curved surfaceOffset distance D of point a 3 Is 1.9mm.
The beneficial effects of the invention are as follows: the label assembly is assembled with the front grille through the buckles, and the scheme can ensure the reliability of assembly; the second buckle is added, so that the LED light source plate is convenient to assemble and is prevented from falling off; the left and right sides of the LED light source are provided with through holes, so that light reflection can be weakened, the light intensity of the side edge is solved, and the integral effect is ensured; in order to meet the requirements of the vehicle gauge, the system adopts a vehicle gauge-level LED and a main control chip under the high-temperature working condition, so that the system can still keep a stable working state and service life under the high-temperature working environment of 90 degrees; the driving board inputs 12V voltage, drives 4 LEDs through the constant current driving circuit, ensures that the LEDs always keep the same current when the original vehicle level changes at different voltages, and ensures that the brightness of the vehicle logo always keeps constant brightness; the LED lamp has the advantages of uniform brightness, high assemblability, reduced cost, simple structure and no change in size. The invention has convenient manufacture and is suitable for industrial mass production.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a bottom view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is one of the front views of the present invention.
Fig. 5 is a second front view of the present invention.
Fig. 6 is a sectional view of E-E of fig. 4.
Fig. 7 is a cross-sectional view of F-F of fig. 4.
Fig. 8 is a G-G cross-sectional view of fig. 4.
Fig. 9 is a J-J cross-sectional view of fig. 4.
Fig. 10 is one of the sectional views A-A of fig. 5 (arrows represent the direction of light).
FIG. 11 is a second cross-sectional view of A-A of FIG. 5.
FIG. 12 is a third cross-sectional view, A-A, of FIG. 5.
Fig. 13 is a B-B cross-sectional view of fig. 5.
Fig. 14 is an I-I cross-sectional view of fig. 4.
Fig. 15 is a structural view of a drive plate of the present invention.
Fig. 16 is a sectional view H-H of fig. 4.
Fig. 17 is one of the LED light source profiles of the present invention.
Fig. 18 is a second LED light source distribution diagram (arrows represent light reflection directions) of the present invention.
Fig. 19 is one of block light source reflection groove structures of the LED light source of the present invention.
Fig. 20 is a schematic diagram showing the positions of the apex b of the rectangular pyramid and the light emitting apex a of the hemispherical reflective surface of the present invention.
Fig. 21 is a luminous band distribution diagram of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings
Referring to the drawings:
embodiment 1 the present invention provides an automotive light-emitting sign, comprising a sign body 1, a light guide plate 2 and a base 3, wherein the sign body 1 is glued on an adhesive surface of the light guide plate 2 through a 3M double-sided 4, a light reflecting surface 22 of the light guide plate 2 is welded with a welding point 31 on a front mounting surface of the base 3, a rear mounting surface of the base 3 faces a front grille of an automobile and is fixedly connected with the front grille through a corresponding first buckle 6 and a screw 7, a light-emitting device 5 is additionally arranged on a rear mounting part of the base 3, the light-emitting device 5 comprises an electronic control box 51, an LED light source 52, a wire harness 53 and a driving plate 54, the electronic control box 51 is mounted on the rear mounting part of the base 3, the driving plate 54 is fixedly mounted in the electronic control box 51, and a signal output end of the driving plate 54 is electrically connected with a signal control end of the LED light source 52 distributed on the base 3 through the wire harness 53; the power transmission end of the driving plate 54 is electrically connected with the power supply end of the electric level of the automobile, so that power supply to the driving plate 54 is realized; the inner edge and the outer edge of the reflecting surface of the light guide plate 2 are provided with luminous bands 21 along the circumferential direction, wherein the luminous bands 21 are formed by a plurality of luminous points 211 for reflecting light sources;
the LED light source 52 includes an LED lamp bead 521 for providing a light source, a lamp holder 522 for mounting the LED lamp bead, and a hemispherical reflective curved surface 523 for reflecting the light of the LED lamp bead, wherein the lamp holder 522 is fixedly connected with the rear mounting portion of the base 3, and a mounting cavity for accommodating the LED lamp bead 521 is reserved therebetween; the LED lamp beads 521 are fixedly mounted on the rear mounting portion of the base 3 through the lamp holder 522, the light guide plate 221 covers the light emitting surface of the LED lamp beads 521 and is detachably connected with the base 3, a hemispherical reflecting curved surface 523 protruding toward the LED lamp beads 521 is arranged on the inner surface of the light guide plate 2 facing the LED lamp beads 521, the hemispherical reflecting curved surface 523 is divided into two parts, namely a light reflecting curved surface 22 positioned in the middle and a light blocking curved surface 5231 arranged at the periphery of the light reflecting curved surface, the light reflecting curved surface 5231 and the light blocking curved surface 5232 are concentric, the outer diameter of the light blocking curved surface 5232 is larger than the outer diameter of the light reflecting curved surface 5231, and the central axis of the light reflecting curved surface 5231 coincides with the central axis of the light emitting center of the LED lamp beads 521; the outer surfaces of the light guide plate 2 and the light guide plate are provided with a light source blocking reflection groove 22, the light source blocking reflection groove 22 is provided with two rectangular pyramids 221 which share vertexes and are used for reflecting LED light, one side surface of the light source blocking reflection groove 22 is used as the bottom surface of the rectangular pyramid 221, the bottom surface of the light source blocking reflection groove 22 is one side surface of the rectangular pyramid 221, the remaining two side surfaces of the rectangular pyramid 221 are used as the reflection surfaces c of the light, the vertex b of the rectangular pyramid 221 falls outside the central symmetry surface where the light emitting center a of the light reflecting curved surface is located, namely, the vertex b of the rectangular pyramid 221 is staggered with the light emitting vertex a of the hemispherical reflecting curved surface 524, so that the light of the LED lamp bead 521 irradiates the light emitting point 211 on the light emitting belt 21 after being reflected by the hemispherical reflecting curved surface 523, and all the light rays are lightened to form the light emitting belt 21 with uniform brightness;
the driving board 54 is provided with an electronic controller 541 for controlling the operation of the LED light source, a data transmission module for transmitting command signals, and a main board for receiving control signals of the automobile driving computer, wherein a signal output end of the electronic controller is electrically connected with a control end of the LED light source 52 through a wire harness 53, a signal input end of the electronic controller 541 is electrically connected with a signal output end of the data transmission module, a signal input end of the data transmission module is electrically connected with a signal output end of the main board through a constant current driving circuit, and a signal input end of the main board is electrically connected or in signal connection with a signal output end of the automobile driving computer, so that when an automobile door is opened and closed, an unlocking state, an engine is started, and a trunk is opened, a sign is lighted; the power supply end of the main board is electrically connected with the power transmission end of the electric level of the automobile.
The label body 1 is provided with 4 LED light sources 52 along the circumferential direction, the LED light sources 52 are divided into two groups, the distance between the inner edges and the outer edges corresponding to the two sides of the label body and the first group of LED light sources is smaller than the distance between the inner edges and the outer edges corresponding to the two sides of the label body and the second group of LED light sources, and the light rays emitted by the two groups of LED light sources are reflected to be emitted to the luminous points, so that all the luminous points are lightened; the upper side and the lower side of the first group of LED light sources are respectively provided with a first blocking groove 521 for blocking part of light rays of the LED light sources, the first blocking grooves are circumferentially arranged along the luminous bands, wavy saw teeth are arranged on the groove walls of the first blocking grooves, which are close to the corresponding LED light sources, so that the luminous bands covered by the corresponding LED light sources are ensured to be even in brightness of the luminous points which are lightened; the periphery of the second group of LED light sources is provided with a blocking groove group 522 for blocking part of light rays of the LED light sources, and the blocking groove group is composed of a plurality of second blocking grooves which are unevenly distributed, so that the brightness uniformity of the lighted points of the lighted strip covered by the second group of LED light sources is ensured.
The first set of LED light sources are circumferentially arranged along the upper half of the sign body, the second set of LED light sources are circumferentially arranged along the lower half of the sign body, and the second set of LED light sources are listed on either side of the drive plate 54.
The input voltage of the driving board 54 is 12V, and the main board of the driving board 54 is electrically connected with the data transmission module through a constant current driving circuit, so that the electronic controller is ensured to always output constant electrical connection, and the constant electrical connection is used for maintaining the brightness of the lamp beads and the luminous points of the LED light source.
The power supply of the lamp bead 521 is 2.9V, the current is 350mA, and the power is 1W; the diameter of the lamp bead is 9mm, and the reflection angle alpha of the light source generated by the lamp bead 1 120 °; diameter R of light source reflection curved surface 1 An outer diameter R of the blocking curved surface of 3.5mm 2 4.5mm; one of the reflecting surfaces c of the rectangular pyramid forms an angle alpha with the surface of the lamp holder 2 At 20 DEG, the other reflecting surface c forms an angle alpha with the surface of the lamp holder 3 35 deg..
Diameter R of the luminous point 211 3 1.0mm; and the distance D between two adjacent light-emitting points 211 1 0.6mm; distance D between outermost light-emitting point 211 and outer edge of light guide plate 2 2 1.0mm.
The light guide plate 2 is clamped with the base 3 through a second buckle 23 and a welding point of the clamping part.
The distance between the surface of the lamp holder 522 and the light emitting center of the light reflecting curved surface is more than 1.7 mm.
The apex b of the rectangular pyramid 221 is displaced from the light emitting apex a of the hemispherical reflecting curved surface 524 by a distance D 3 Is 1.9mm.
The invention takes the Infeinidi vehicle logo as an example, wherein the upper width of the Infeinidi vehicle logo is narrowest, so that the distance between an LED light source and the edge is nearest, the light intensity collected by a luminous point close to the LED light source is easy to be large, and the luminous point at the position is easy to be lighted up in comparison with the luminous points at other positions, therefore, the luminous point reflected to the position is weakened by blocking wavy saw teeth of a first blocking groove at two sides of the first group of LED light sources through arranging the first group of LED light sources at the upper part, the effect of uniform brightness is achieved, the blocking groove group around the LED light source arranged at the lower part acts as the first blocking groove, the uniformity of reflected light at the luminous point can be realized by adjusting the arrangement of a second blocking groove and the groove type, and the whole label is lighted up; the sign can emit light when the door is opened, closed, unlocked, engine is started and the trunk is opened under the control of the driving computer, the light emitting time is controlled to be 15 seconds, and the sign is automatically closed after overtime.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, but also equivalent technical means that can be conceived by those skilled in the art according to the inventive concept.

Claims (1)

1. The utility model provides an automobile luminous sign, includes sign body, light guide plate and base, the sign body is in through 3M double sided adhesive the face of pasting of light guide plate, the reflection of light face of light guide plate with the preceding installation face rigid coupling of base, the back installation face of base is towards the preceding grid of car to through corresponding first buckle and screw with preceding grid rigid coupling, its characterized in that: the LED light source comprises a base, a light emitting device, a driving plate, a light emitting device and a control module, wherein the light emitting device is additionally arranged at the rear mounting part of the base and comprises an electronic control box, an LED light source, a wire harness and the driving plate; the power transmission end of the driving plate is electrically connected with the power supply end of the electric level of the automobile, so that power supply to the driving plate is realized; the inner edge and the outer edge of the reflecting surface of the light guide plate are provided with luminous bands along the circumferential direction of the reflecting surface, wherein the luminous bands are composed of a plurality of luminous points for reflecting the light source;
the LED light source comprises an LED lamp bead for providing a light source, a lamp holder for mounting the LED lamp bead and a hemispherical reflecting curved surface for reflecting the light of the LED lamp bead, wherein the lamp holder is detachably connected with the rear mounting part of the base, and a mounting cavity for accommodating the LED lamp bead is reserved between the lamp holder and the rear mounting part; the LED lamp beads are fixedly arranged on the rear mounting part of the base through the lamp holder, the light guide plate covers the light-emitting surface of the LED lamp beads and is fixedly connected with the base, the inner surface of the light guide plate facing the LED lamp beads is provided with a hemispherical reflecting curved surface protruding towards the direction of the LED lamp beads, the hemispherical reflecting curved surface is divided into two parts, namely a light reflecting curved surface positioned in the middle and a light blocking curved surface arranged on the periphery of the light reflecting curved surface, the light reflecting curved surface and the light blocking curved surface are concentric, the outer diameter of the light blocking curved surface is larger than the outer diameter of the light reflecting curved surface, and the central axis of the light reflecting curved surface coincides with the central axis of the light-emitting center of the LED lamp beads; the outer surface of the light guide plate is provided with a light source blocking reflecting groove, the light source blocking reflecting groove is provided with two rectangular pyramids with common vertexes for reflecting LED light, one side surface of the light source blocking reflecting groove is used as the bottom surface of the rectangular pyramid, the bottom surface of the light source blocking reflecting groove is one side surface of the rectangular pyramid, the remaining two side surfaces of the rectangular pyramid are used as the reflecting surfaces of the light, the vertexes of the rectangular pyramid are located outside the central symmetry surface where the luminous centers of the light reflecting curved surfaces are located, namely, the vertexes of the rectangular pyramid are staggered with the luminous vertexes of the hemispherical reflecting curved surfaces, so that the light of the LED lamp beads is reflected by the hemispherical reflecting curved surfaces and then irradiated onto the luminous points on the luminous belt, and all the light is lightened to form the luminous belt with uniform brightness;
the driving board is provided with an electronic controller for controlling the LED light source to work, a data transmission module for transmitting command signals and a main board for receiving automobile driving computer control signals, the signal output end of the electronic controller is electrically connected with the control end of the LED light source through a wire harness, the signal input end of the electronic controller is electrically connected with the signal output end of the data transmission module, the signal input end of the data transmission module is electrically connected with the signal output end of the main board through a constant current driving circuit, and the signal input end of the main board is electrically connected or in signal connection with the signal output end of an automobile driving computer to realize that a sign is lighted when an automobile is opened and closed, unlocked, an engine is started and a trunk is opened; the power supply end of the main board is electrically connected with the power transmission end of the electric level of the automobile;
the LED sign is characterized in that 4 LED light sources are arranged on the sign body along the circumferential direction of the sign body, the LED light sources are divided into two groups, the distance between the first group of LED light sources and the inner and outer edges corresponding to the two sides of the sign body is smaller than that between the second group of LED light sources and the inner and outer edges corresponding to the two sides of the sign body, and light rays emitted by the two groups of LED light sources are reflected to luminous points, so that all the luminous points are lightened; the upper side and the lower side of the first group of LED light sources are respectively provided with a first blocking groove for blocking part of light rays of the LED light sources, the first blocking grooves are circumferentially arranged along the luminous bands, wavy saw teeth are arranged on the groove walls of the first blocking grooves, which are close to the corresponding LED light sources, so that the luminous points of the luminous bands covered by the corresponding LED light sources are ensured to be uniform in brightness; the periphery of the second group of LED light sources is provided with a blocking groove group for blocking part of light rays of the LED light sources, the blocking groove group consists of a plurality of second blocking grooves which are unevenly distributed, and the brightness uniformity of the lighted points of the lighted strips covered by the second group of LED light sources is ensured;
the first group of LED light sources are circumferentially arranged along the upper half part of the sign body, the second group of LED light sources are circumferentially arranged along the lower half part of the sign body, and the second group of LED light sources are respectively arranged on two sides of the driving plate;
the input voltage of the driving board is 12V, and the main board of the driving board is electrically connected with the data transmission module through a constant current driving circuit, so that the electronic controller is ensured to always output constant electrical connection, and the constant electrical connection is used for maintaining the brightness of the lamp beads and the luminous points of the LED light source unchanged;
the power supply of the lamp bead is 2.9V, the current is 350mA, and the power is 1W; the diameter of the lamp bead is 9mm, and the reflection angle alpha of the light source generated by the lamp bead 1 120 °; diameter R of light source reflection curved surface 1 An outer diameter R of the blocking curved surface of 3.5mm 2 4.5mm; angle alpha between one of the reflecting surfaces of the rectangular pyramid and the surface of the lamp holder 2 At 20 DEG, the other reflecting surface forms an angle alpha with the surface of the lamp holder 3 35 °;
diameter R of the luminous point 3 1.0mm; and the distance D between two adjacent luminous points 1 0.6mm; distance D between outermost luminous point and outer edge of light guide plate 2 1.0mm;
the light guide plate is fixedly connected with the base through a second buckle of the clamping part and a welding point;
the distance between the surface of the lamp holder and the luminous center of the light reflection curved surface is more than 1.7 mm;
dislocation distance D between vertex b of rectangular pyramid and luminous vertex a of hemispherical reflecting curved surface 3 Is 1.9mm.
CN201710846036.5A 2017-09-19 2017-09-19 Luminous sign for automobile Active CN107599995B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710846036.5A CN107599995B (en) 2017-09-19 2017-09-19 Luminous sign for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710846036.5A CN107599995B (en) 2017-09-19 2017-09-19 Luminous sign for automobile

Publications (2)

Publication Number Publication Date
CN107599995A CN107599995A (en) 2018-01-19
CN107599995B true CN107599995B (en) 2023-08-01

Family

ID=61061098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710846036.5A Active CN107599995B (en) 2017-09-19 2017-09-19 Luminous sign for automobile

Country Status (1)

Country Link
CN (1) CN107599995B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110466445A (en) * 2019-08-23 2019-11-19 宁波中骏森驰汽车零部件股份有限公司 A kind of Intelligent luminous logo assembly
CN110481455B (en) * 2019-08-23 2024-03-26 宁波中骏森驰汽车零部件股份有限公司 Luminous sign assembly
EP3869090A1 (en) * 2020-02-19 2021-08-25 ZKW Group GmbH Assembly for illuminated display of an emblem for a motor vehicle
CN112339673B (en) * 2020-10-14 2022-06-21 广州汽车集团股份有限公司 Car logo structure and car

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324601Y (en) * 1997-04-25 1999-06-16 广州天隆新电子经济发展有限公司 Light-guide electronic luminous panel
JP2006044330A (en) * 2004-07-30 2006-02-16 Toyoda Gosei Co Ltd Light emission device
DE102007015747A1 (en) * 2007-03-30 2008-10-02 Erich Utsch Ag Optical fiber arrangement for mounting device for illuminating retroreflecting vehicle number plate, has laminar expanded transparent optical fiber with front side light transmission surface and rear side light transmission surface
JP5005109B1 (en) * 2011-12-08 2012-08-22 株式会社ジュナック LED emblem for vehicles
CN202782978U (en) * 2012-08-02 2013-03-13 宁波四维尔工业股份有限公司 Automobile license plate capable of giving out light
JP2013220691A (en) * 2012-04-13 2013-10-28 Ichikoh Ind Ltd License plate light for vehicle
JP2015036742A (en) * 2013-08-13 2015-02-23 林テレンプ株式会社 Light emitting device
CN104742821A (en) * 2015-01-13 2015-07-01 宜兰汽车配件制造(平湖)有限公司 Automobile scutcheon capable of evenly shining
DE102014200369A1 (en) * 2014-01-10 2015-07-16 Osram Gmbh Areal illuminator with planar light guide
CN205601729U (en) * 2016-04-28 2016-09-28 宁波中骏上原汽车零部件有限公司 Front license plate structure
CN205601727U (en) * 2016-04-28 2016-09-28 宁波中骏上原汽车零部件有限公司 Preceding grid sign structure
CN112238823A (en) * 2019-07-19 2021-01-19 大方盛德汽车科技扬州有限公司 Light-emitting automobile label facilitating penetration of millimeter wave radar and manufacturing method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7038398B1 (en) * 1997-08-26 2006-05-02 Color Kinetics, Incorporated Kinetic illumination system and methods
US7163322B2 (en) * 2003-09-19 2007-01-16 Toyoda Gosei Co., Ltd. Illumination device for license plate
CN101356404B (en) * 2005-12-09 2012-11-07 完全创新控股有限公司 Light guides, illuminated articles and devices
US8057081B2 (en) * 2009-02-11 2011-11-15 GM Global Technology Operations LLC Light guide for vehicle lamp assembly
US20110252675A1 (en) * 2010-04-20 2011-10-20 Ford Global Technologies, Llc Active license plate
CN106537029B (en) * 2014-09-30 2019-05-14 麦克赛尔株式会社 Lamps apparatus for vehicle
US10323817B2 (en) * 2015-07-10 2019-06-18 SMR Patents S.à.r.l. Light assembly and vehicle design element including such light assembly

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2324601Y (en) * 1997-04-25 1999-06-16 广州天隆新电子经济发展有限公司 Light-guide electronic luminous panel
JP2006044330A (en) * 2004-07-30 2006-02-16 Toyoda Gosei Co Ltd Light emission device
DE102007015747A1 (en) * 2007-03-30 2008-10-02 Erich Utsch Ag Optical fiber arrangement for mounting device for illuminating retroreflecting vehicle number plate, has laminar expanded transparent optical fiber with front side light transmission surface and rear side light transmission surface
JP5005109B1 (en) * 2011-12-08 2012-08-22 株式会社ジュナック LED emblem for vehicles
JP2013220691A (en) * 2012-04-13 2013-10-28 Ichikoh Ind Ltd License plate light for vehicle
CN202782978U (en) * 2012-08-02 2013-03-13 宁波四维尔工业股份有限公司 Automobile license plate capable of giving out light
JP2015036742A (en) * 2013-08-13 2015-02-23 林テレンプ株式会社 Light emitting device
DE102014200369A1 (en) * 2014-01-10 2015-07-16 Osram Gmbh Areal illuminator with planar light guide
CN104742821A (en) * 2015-01-13 2015-07-01 宜兰汽车配件制造(平湖)有限公司 Automobile scutcheon capable of evenly shining
CN205601729U (en) * 2016-04-28 2016-09-28 宁波中骏上原汽车零部件有限公司 Front license plate structure
CN205601727U (en) * 2016-04-28 2016-09-28 宁波中骏上原汽车零部件有限公司 Preceding grid sign structure
CN112238823A (en) * 2019-07-19 2021-01-19 大方盛德汽车科技扬州有限公司 Light-emitting automobile label facilitating penetration of millimeter wave radar and manufacturing method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
汽车LED灯光控制系统设计与实现;王琪;秦晓军;;微处理机(第03期);全文 *
自行车反射器对比式光强系数测试仪的研究;李文成;王万军;;中国自行车(第05期);全文 *

Also Published As

Publication number Publication date
CN107599995A (en) 2018-01-19

Similar Documents

Publication Publication Date Title
CN107599995B (en) Luminous sign for automobile
KR100798680B1 (en) The luminous device using light emitting diodes
CA2525144A1 (en) Illuminated license plate for vehicles and vehicle provided with the same
US9062848B2 (en) Light source device and illumination device including the light source device
KR20180032207A (en) Assembly for lighting using light guide film
CA2214166C (en) A vehicular lamp and method
CN203442651U (en) Emergency lamp
CN200993327Y (en) Police LED reflector lamp
CN111637421A (en) Vacuum aluminum plating energy-saving type automobile luminous sign
CN108224243B (en) Tube lamp
CN216521420U (en) Position lamp and car behind light guide light curtain combination
US8801223B2 (en) LED lamp
CN214275602U (en) Side-lighting runway lamp
CN201434313Y (en) Solar-energy roof light
CN203363918U (en) Vehicle daytime running lamp
CN207644293U (en) A kind of automobile luminescence scutcheon
CN217897577U (en) Luminous vehicle door handle
KR200413480Y1 (en) Illuminator for a automobile
CN213810444U (en) Automobile rear combined lamp light source module
CN219346398U (en) Wall lamp
CN220981066U (en) Automobile interior trim flowing water effect atmosphere lamp
CN218863947U (en) Ceiling lamp with light modeling
CN210485577U (en) Long row type warning lamp for car roof
CN214468092U (en) LED lighting module and box-type household appliance
CN209977792U (en) PAR30 spotlight

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant