CN110173669B - Car light optical element assembly, car light and car - Google Patents
Car light optical element assembly, car light and car Download PDFInfo
- Publication number
- CN110173669B CN110173669B CN201910556042.6A CN201910556042A CN110173669B CN 110173669 B CN110173669 B CN 110173669B CN 201910556042 A CN201910556042 A CN 201910556042A CN 110173669 B CN110173669 B CN 110173669B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 183
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 11
- 238000003754 machining Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/14—Bayonet-type fastening
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention relates to the technical field of vehicle illumination, in particular to a car lamp optical element assembly, a car lamp comprising the car lamp optical element assembly and a car comprising the car lamp. The primary optical element and the secondary optical element are assembled into an integral structure to directly determine the relative positions of the primary optical element and the secondary optical element, so that the direct positioning between the primary optical element and the secondary optical element is realized, the positioning precision and the mounting reliability of the primary optical element and the secondary optical element can be ensured, and the accuracy and the functional stability of the lamp shape of the vehicle are ensured.
Description
Technical Field
The invention relates to the technical field of vehicle illumination, in particular to a car lamp optical element assembly, a car lamp comprising the car lamp optical element assembly and a car comprising the car lamp.
Background
The lamp optic system is an important component of the lamp. In general, a lamp optical element system includes a primary optical element assembly including a primary optical element such as a condenser, and a secondary optical element assembly including a secondary optical element such as a lens. The positioning accuracy and the installation reliability between the primary optical element assembly and the secondary optical element assembly have great influence on the accuracy of the light shape of the car lamp, and the reliable positioning and the installation can ensure the accuracy and the functional stability of the light shape of the car lamp.
In the prior art, the primary optical element assembly and the secondary optical element assembly are positioned and installed by respectively fixing the primary optical element assembly and the secondary optical element assembly on the radiator to indirectly determine the relative positions of the primary optical element assembly and the secondary optical element assembly, and the indirect positioning installation mode not only makes the structure of the optical element system complex and the installation steps complex, but also has larger installation errors, and cannot realize the accurate positioning between the primary optical element assembly and the secondary optical element assembly, thereby influencing the accuracy and the functional stability of the lamp light shape of the vehicle.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the car light optical element assembly with high positioning precision and good installation reliability, so as to overcome the defects in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the primary optical element assembly comprises a primary optical element and a first bracket for supporting the primary optical element, the secondary optical element assembly comprises a secondary optical element and a second bracket for supporting the secondary optical element, and the first bracket is connected with the second bracket in a matched manner so that the primary optical element and the secondary optical element are relatively fixed.
Preferably, the first bracket comprises a supporting frame and a limiting piece, the limiting piece is fixedly arranged on the primary optical element, the supporting frame is provided with a limiting groove, and the limiting piece is connected with the limiting groove in a matched mode and is fixed relative to the supporting frame.
Preferably, the limiting piece is provided with a first positioning hole, and a first positioning pin which is in plug-in fit with the first positioning hole is arranged in the limiting groove.
Preferably, the second bracket is provided with a slot, the first bracket is in plug-in fit with the slot, and the first bracket is provided with a positioning surface which is contacted with the surface on the inner side of the slot.
Preferably, the secondary optical element is disposed at the front end of the second bracket, the slot penetrates through the rear end surface of the second bracket and extends forward from the rear, and the positioning surface of the first bracket comprises a front positioning surface located at the front end surface of the first bracket, an upper positioning surface located at the upper surface of the first bracket and a lower positioning surface located at the lower surface of the first bracket, the front positioning surface is in contact with the front surface of the inner side of the slot, the upper positioning surface is in contact with the upper surface of the inner side of the slot, and the lower positioning surface is in contact with the lower surface of the inner side of the slot.
Preferably, the slot penetrates the second bracket along the left-right direction, the left side and the right side of the first bracket are respectively provided with a clamping part, and the opposite inner side surfaces of the two clamping parts are respectively contacted with the left side surface and the right side surface of the second bracket.
Preferably, the rear end of the first bracket is provided with a rear positioning surface for abutting against the surface of the circuit board, and the rear end surface of the second bracket is provided with a protruding part for abutting against the surface of the circuit board.
Preferably, the rear end of the first bracket extends to form a second positioning pin which is used for being in plug-in fit with a second positioning hole on the circuit board.
The invention also provides a car lamp, comprising the car lamp optical element assembly.
The invention also provides an automobile, comprising the automobile lamp.
Compared with the prior art, the invention has obvious progress:
According to the car light optical element assembly, the car light comprising the car light optical element assembly and the car comprising the car light, the primary optical element and the secondary optical element are assembled into an integral structure through the matched connection of the first bracket and the second bracket, so that the relative positions of the primary optical element and the secondary optical element are directly determined, and the direct positioning between the primary optical element and the secondary optical element is realized. When the car light optical element assembly is mounted on the circuit board and the radiator, because a fixed assembly positioning relationship exists between the primary optical element and the secondary optical element, positioning errors can not be generated between the primary optical element and the secondary optical element due to assembly of the primary optical element and the circuit board and the radiator, and therefore the positioning precision and the mounting reliability of the primary optical element and the secondary optical element can be ensured, and the accuracy and the functional stability of the light shape of the car light are ensured.
Drawings
Fig. 1 is a schematic perspective view of an optical element assembly for a vehicle lamp according to an embodiment of the present invention.
Fig. 2 is a schematic side view of a lamp optic assembly according to an embodiment of the present invention.
Fig. 3 is a schematic view of an assembly process of a lamp optical element assembly according to an embodiment of the present invention.
Fig. 4 is a schematic view of the primary optical element assembly of the lamp optical element assembly according to the embodiment of the present invention from one angle.
Fig. 5 is a schematic view of the primary optical element assembly of the lamp optical element assembly according to the embodiment of the present invention from another angle.
Fig. 6 is a schematic structural view of a support frame in a lamp optical element assembly according to an embodiment of the present invention.
Fig. 7 is a schematic view of the primary optical element and the limiting member in the optical element assembly of the vehicle lamp according to the embodiment of the present invention.
Fig. 8 is a schematic view of the primary optical element and the stopper in the optical element assembly of the vehicle lamp according to the embodiment of the present invention from another angle.
Fig. 9 is a schematic view of a secondary optic assembly in a lamp optic assembly according to an embodiment of the invention from one perspective.
Fig. 10 is a schematic structural view of a secondary optic assembly in a lamp optic assembly according to an embodiment of the invention from another perspective.
Fig. 11 is a schematic perspective view showing a structure in which a lamp optical element assembly according to an embodiment of the present invention is mounted on a circuit board and a radiator.
Fig. 12 is an exploded view of fig. 11.
Fig. 13 is a schematic structural view of the circuit board and the heat sink shown in fig. 11.
Wherein reference numerals are as follows:
1. Primary optical element assembly 11, primary optical element
12. First bracket 121 and supporting bracket
121A, a front end surface 121b of the support frame, a lower surface of the support frame
121C, the rear end face 122 of the supporting frame and a limiting piece
122A, a lower surface 122b of the stopper, and an upper surface of the stopper
123. Limiting groove 123a, bottom surface of limiting groove
124. First positioning hole 125, first positioning pin
126. Engagement portion 126a and inner side surface of the engagement portion
127. Second positioning pin 2, secondary optical element assembly
21. Secondary optical element 22, second mount
22A, a rear end face 22b of the second bracket, a left side face of the second bracket
22C, right side 221 of the second bracket, slot
221A, front surface 221b inside the slot, upper surface inside the slot
221C, lower surface 222 inside the slot, through slot
223. Protrusion 224, first threaded hole
3. Circuit board 3a, surface of circuit board
31. Second positioning hole 32 and positioning groove
33. Second threaded hole 4, radiator
41. Positioning boss 5, threaded connection
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to be limiting.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
As shown in fig. 1 to 13, one embodiment of the lamp optical element assembly of the present invention.
Referring to fig. 1 to 3, the lamp optical element assembly of the present embodiment includes a primary optical element assembly 1 and a secondary optical element assembly 2. The primary optical element assembly 1 includes a primary optical element 11 and a first holder 12, the first holder 12 supporting the primary optical element 11. The secondary optical element assembly 2 includes a secondary optical element 21 and a second mount 22, the second mount 22 supporting the secondary optical element 21. The first support 12 is cooperatively connected with the second support 22, so that the primary optical element 11 and the secondary optical element 21 are relatively fixed. Thus, by fitting the primary optical element 11 and the secondary optical element 21 into a unitary structure by the mating connection of the first bracket 12 and the second bracket 22, the relative positions of the two are directly determined, enabling a direct positioning between the primary optical element 11 and the secondary optical element 21. Referring to fig. 11 and 12, when the vehicle lamp optical element assembly of the present embodiment is mounted on the circuit board 3 and the radiator 4, since there is a fixed assembly positioning relationship between the primary optical element 11 and the secondary optical element 21, no positioning error is generated between the primary optical element 11 and the secondary optical element 21 due to the assembly with the circuit board 3 and the radiator 4, so that the positioning accuracy and the mounting reliability of the primary optical element 11 and the secondary optical element 21 can be ensured, and the accuracy and the functional stability of the vehicle lamp light shape can be ensured.
When the optical element assembly of the vehicle lamp of the embodiment is mounted on the circuit board 3, the primary optical element 11 is located between the circuit board 3 and the secondary optical element 21, and the light emitted by the light source on the circuit board 3 sequentially passes through the primary optical element 11 and the secondary optical element 21 and then is emitted to form the illumination light shape of the vehicle lamp. Herein, for convenience of description, the arrangement direction of the wiring board 3, the primary optical element 11, and the secondary optical element 21 is defined as from rear to front, that is, the wiring board 3 is located behind the primary optical element 11, the secondary optical element 21 is located in front of the primary optical element 11, the right-left direction perpendicular to the front-rear direction in the horizontal plane, and the up-down direction perpendicular to the front-rear direction in the vertical plane.
Referring to fig. 4 to 8, in the present embodiment, preferably, the first bracket 12 in the primary optical element assembly 1 includes a supporting frame 121 and a limiting member 122, the limiting member 122 is fixedly disposed on the primary optical element 11, the supporting frame 121 is provided with a limiting groove 123, the limiting member 122 is cooperatively connected with the limiting groove 123, and the limiting member 122 is relatively fixed with the supporting frame 121. Thereby, the primary optical element 11 and the support frame 121 are relatively fixed by the matching connection of the limiting piece 122 and the support frame 121, so that the primary optical element 11 is positioned and supported on the first support frame 12, that is, the limiting piece 122 and the support frame 121 are assembled together to form the first support frame 12 for supporting the primary optical element 11. In a preferred embodiment, the upper surface portion of the supporting frame 121 is sunk to form a limiting groove 123, so that the bottom surface 123a of the limiting groove 123 faces upwards and is a horizontal plane, the lower surface 122a of the limiting piece 122 is a horizontal plane, the limiting piece 122 is placed in the limiting groove 123, and the lower surface 122a of the limiting piece 122 is in contact fit with the bottom surface 123a of the limiting groove 123.
In order to increase the accuracy of the assembly positioning between the limiting member 122 and the supporting frame 121, preferably, the limiting member 122 is provided with a first positioning hole 124, and the limiting groove 123 is internally provided with a first positioning pin 125, and the first positioning pin 125 is in plug-in fit with the first positioning hole 124. When the limiting piece 122 is mounted on the supporting frame 121, the relative position of the limiting piece 122 and the supporting frame 121 can be limited through the plug-in cooperation of the first positioning pin 125 and the first positioning hole 124, and the limiting piece 122 is accurately positioned, so that the accurate positioning between the primary optical element 11 and the first bracket 12 is realized.
Further, to ensure the positioning and mounting reliability between the primary optical element 11 and the first bracket 12, preferably, two limiting members 122 may be provided, the two limiting members 122 are respectively disposed on the left and right sides of the primary optical element 11, two limiting grooves 123 respectively connected with the two limiting members 122 in a matching manner are provided on the supporting frame 121, the two limiting grooves 123 are respectively disposed on the left and right sides of the supporting frame 121, and first positioning pins 125 are respectively disposed in the two limiting grooves 123 and are respectively in plug-in fit with the first positioning holes 124 on the two limiting members 122. Therefore, the primary optical element 11 is supported and positioned on the supporting frame 121 through the left and right limiting pieces 122, and the two limiting pieces 122 are respectively matched with the first positioning pin 125 in a plugging manner through the first positioning hole 124 to realize positioning with the supporting frame 121, so that the positioning accuracy and the mounting reliability between the primary optical element 11 and the first bracket 12 can be effectively increased.
Further, for convenience in assembly and preventing over-positioning, preferably, the first positioning hole 124 on one of the two limiting members 122 is a circular hole, the first positioning hole 124 on the other limiting member 122 is a kidney-shaped hole, the cross-sectional shapes of the first positioning pins 125 in the two limiting grooves 123 are all circular, one first positioning pin 125 is matched and inserted with the first positioning hole 124 which is the circular hole, and the other first positioning pin 125 is matched and inserted with the first positioning hole 124 which is the kidney-shaped hole. The first positioning pin 125 is inserted into the first positioning hole 124, which is a kidney-shaped hole, so as to compensate the machining error of the limiting member 122 and the supporting frame 121, and make the assembly of the two easier.
In this embodiment, the secondary optical element 21 and the second support 22 in the secondary optical element assembly 2 may be preferably formed as an integral piece.
Referring to fig. 1, 2, 9 and 10, in the present embodiment, preferably, the second holder 22 in the secondary optical element assembly 2 is provided with a slot 221, the first holder 12 is in plug-in fit with the slot 221, and the first holder 12 has a positioning surface contacting with a surface inside the slot 221. The positioning surface of the first bracket 12 is in contact with the inner side surface of the slot 221, so that the relative positions of the first bracket 12 and the second bracket 22 can be limited, the first bracket 12 and the second bracket 22 are relatively fixed, the assembly positioning between the first bracket 12 and the second bracket 22 is realized, and the device has the advantages of convenience in installation and reliability in positioning.
In this embodiment, in matching with the two limiting members 122 disposed on the left and right sides of the primary optical element 21 in the primary optical element assembly 1, the two slots 221 are disposed on the left and right sides of the second bracket 22, respectively, and an assembling space is provided between the two slots 221 for inserting the primary optical element assembly 1. After the two limiting members 122 are respectively assembled into the corresponding limiting grooves 123 on the supporting frame 121, the two limiting members and the supporting frame 121 are integrally inserted into the corresponding slots 221, so that the first bracket 12 and the second bracket 22 are assembled, and the primary optical element 11 is positioned in an assembly space between the two slots 221.
In order to facilitate the assembly of the first holder 12 and the second holder 22 and to position the secondary optical element 21 in front of the primary optical element 11, it is preferable that the secondary optical element 21 is provided at the front end of the second holder 22, and the insertion slot 221 penetrates the rear end face 22a of the second holder 22 and extends from the rear to the front. Thereby, the first holder 12 is allowed to be inserted into the slot 221 from the rear end of the slot 221 and advanced into the slot 221 in the direction indicated by the arrow in fig. 3 until the positioning surface of the first holder 12 is brought into contact engagement with the surface inside the slot 221, and the primary optical element 11 supported on the upper surface of the first holder 12 is located behind the secondary optical element 21.
In order to ensure that the contact fit of the positioning surface of the first bracket 12 with the inner side surface of the slot 221 effectively defines the relative position of the first bracket 12 and the second bracket 22, it is preferable that the inner side surface of the slot 221 is formed with a front surface 221a, an upper surface 221b and a lower surface 221c, and the positioning surface of the first bracket 12 includes a front positioning surface located at the front end surface of the first bracket 12, an upper positioning surface located at the upper surface of the first bracket 12 and a lower positioning surface located at the lower surface of the first bracket 12, wherein the front positioning surface contacts with the front surface 221a inside the slot 221 to limit the forward movement of the first bracket 12 relative to the second bracket 22; the upper positioning surface contacts with the upper surface 221b of the inner side of the slot 221 to limit the upward movement of the first bracket 12 relative to the second bracket 22; the lower positioning surface contacts with the lower surface 221c inside the slot 221 to restrict the first bracket 12 from moving downward relative to the second bracket 22. In this embodiment, a front end surface 121a of the supporting frame 121, which is located right in front of the limiting groove 123, forms a front positioning surface of the first bracket 12; after the limiting piece 122 is assembled into the limiting groove 123 on the supporting frame 121, the upper surface 122b of the limiting piece 122 is higher than the upper surface of the supporting frame 121, so that the upper surface 122b of the limiting piece 122 forms an upper positioning surface of the first bracket 12; the lower surface 121b of the support frame 121 constitutes a lower positioning surface of the first bracket 12. Referring to fig. 2, in a preferred embodiment, the upper surface 221b inside the slot 221 is partially recessed and does not contact with the upper surface 122b of the limiting member 122, and the lower surface 221c inside the slot 221 is partially recessed and does not contact with the lower surface 121b of the supporting frame 121, so that the contact area between the upper surface 221b inside the slot 221 and the upper surface 122b of the limiting member 122, the contact area between the lower surface 221c inside the slot 221 and the lower surface 121b of the supporting frame 121 can be reduced, small-area contact positioning is formed, and the machining precision of the small-area contact surface is easier to ensure, so that the positioning surface of the first bracket 12 and the surface inside the slot 221 can be better interfered, and thus the positioning is more accurate.
Further, in the present embodiment, the slot 221 preferably penetrates the second bracket 22 in the left-right direction, and one engaging portion 126 is provided on each of the left and right sides of the first bracket 12, and opposite inner side surfaces 126a of the two engaging portions 126 are respectively contacted with the left side surface 22b and the right side surface 22c of the second bracket 22 to restrict the left-right movement of the first bracket 12 relative to the second bracket 22. In a preferred embodiment, two engaging portions 126 are respectively disposed on the left and right side surfaces of the support frame 121 and extend forward to the front end surface 121a of the support frame 121, and after assembly, the front end surface 121a of the support frame 121 contacts the front surface 221a of the inner side of the slot 221, the two engaging portions 126 are located on the outer side of the second bracket 22, and the inner side surfaces 126a of the two engaging portions 126 are respectively in contact fit with the left side surface 22b and the right side surface 22c of the second bracket 22 in the area in front of the slot 221. In order to allow the engaging portion 126 of the first bracket 12 to reach the front outer side of the slot 221 through the rear end of the slot 221, the rear end of the second bracket 22 is provided with a through slot 222 penetrating the first bracket 22 in front-rear direction, the opening of the through slot 222 faces the slot 221 and communicates with the rear end of the slot 221 at the outer side of the slot 221, and when the supporting frame 121 and the stopper 122 are inserted into the slot 221, the engaging portion 126 located at the side of the supporting frame 121 passes through the through slot 222 and reaches the front outer side of the slot 221.
Referring to fig. 5, 10 and 12, in the present embodiment, preferably, the rear end of the first bracket 12 has a rear positioning surface for abutting against the surface 3a of the circuit board 3, and the rear end surface 22a of the second bracket 22 is provided with a protrusion 223 for abutting against the surface 3a of the circuit board 3. When the lamp optical element assembly of the present embodiment is mounted on the wiring board 3, the first bracket 12 is restrained from moving rearward relative to the second bracket 22 and the lamp optical element assembly is positioned on the surface 3a of the wiring board 3 by the rear positioning surface of the first bracket 12 being in contact engagement with the surface 3a of the wiring board 3 and the projection 223 of the rear end of the second bracket 22 being in abutting engagement with the surface 3a of the wiring board 3. In the present embodiment, the rear end surface 121c of the support frame 121 constitutes a rear positioning surface of the first bracket 12. Preferably, one protrusion 223 may be provided at both left and right sides of the rear end surface 22a of the second bracket 22, respectively. By arranging the protruding part 223 butted with the surface 3a of the circuit board 3 on the rear end surface 22a of the second bracket 22, the whole contact between the rear end surface 22a of the second bracket 22 and the surface 3a of the circuit board 3 is avoided, the contact area between the rear end of the second bracket 22 and the surface 3a of the circuit board 3 is reduced, the small-area contact positioning is formed, the machining precision of the small-area contact surface is easier to ensure, and the protruding part 223 and the surface 3a of the circuit board 3 can interfere better, so that the positioning is more accurate.
In order to increase the accuracy of the assembly positioning between the optical element assembly of the vehicle lamp and the circuit board 3, referring to fig. 12 and 13, it is preferable that the rear end of the first bracket 12 extends with a second positioning pin 127, and the circuit board 3 is provided with a second positioning hole 31, and the second positioning pin 127 is used for being in plug-in fit with the second positioning hole 31. When the vehicle lamp optical element assembly of the embodiment is mounted on the circuit board 3, the relative position of the vehicle lamp optical element assembly and the circuit board 3 can be limited by the plug-in cooperation of the second positioning pin 127 and the second positioning hole 31, and the vehicle lamp optical element assembly is accurately positioned, so that the accurate positioning between the vehicle lamp optical element assembly and the circuit board 3 is realized. In order to ensure the reliability of positioning and mounting between the lamp optical element assembly and the circuit board 3, it is preferable that the rear end of the first bracket 12 is extended with two second positioning pins 127, and the two second positioning pins 127 are respectively located at the left and right sides of the rear end of the first bracket 12. Correspondingly, the circuit board 3 is provided with two second positioning holes 31 which are respectively in plug-in fit with the two second positioning pins 127.
Further, in order to facilitate assembly and prevent overstock, preferably, one of the two second positioning holes 31 on the circuit board 3 is a circular hole, the other is a kidney-shaped hole, the cross-sectional shapes of the two second positioning pins 127 at the rear end of the first bracket 12 are all circular, one second positioning pin 127 is matched and inserted with the second positioning hole 31 which is the circular hole, and the other second positioning pin 127 is matched and inserted with the second positioning hole 31 which is the kidney-shaped hole. The second positioning pin 127 is matched and inserted with the second positioning hole 31 which is a kidney-shaped hole, so that the machining errors of the first bracket 12 and the circuit board 3 can be compensated, and the assembly of the first bracket and the circuit board is easier.
After the lamp optical element assembly of the present embodiment is assembled, the assembled lamp optical element assembly needs to be mounted on the wiring board 3 and the heat sink 4. Referring to fig. 11, 12 and 13, when the optical element assembly for a vehicle lamp according to this embodiment is installed, the circuit board 3 may be pre-positioned on the heat sink 4, preferably, the heat sink 4 is provided with at least one positioning protrusion 41, the circuit board 3 is provided with a positioning slot 32 into which the positioning protrusion 41 is inserted, and the pre-positioning of the circuit board 3 and the heat sink 4 is achieved by inserting and matching the positioning protrusion 41 with the positioning slot 32. Since the relative positions of the primary optical element 11 and the secondary optical element 21 in the vehicle lamp optical element assembly of the present embodiment are determined, the positioning of the circuit board 3 and the heat sink 4 does not need to have particularly high positioning accuracy, so that the mounting process of the vehicle lamp optical element assembly on the circuit board 3 and the heat sink 4 is very simple and convenient. After the circuit board 3 and the radiator 4 are positioned, the vehicle lamp optical element assembly is positioned on the surface 3a of the circuit board 3, specifically, two second positioning pins 127 at the rear end of the first bracket 12 are respectively in plug-in fit with two second positioning holes 31 on the circuit board 3, the rear positioning surface of the first bracket 12 is in contact fit with the surface 3a of the circuit board 3, and a protruding part 223 at the rear end of the second bracket 22 is in butt fit with the surface 3a of the circuit board 3. And then the installation of the lamp optical element assembly can be completed by fixedly connecting the lamp optical element assembly with the circuit board 3 and the radiator 4.
In order to achieve the fixed connection between the vehicle lamp optical element assembly of the present embodiment and the circuit board 3 and the radiator 4, referring to fig. 1, the vehicle lamp optical element assembly of the present embodiment is provided with a first threaded hole 224 at the rear end of the second bracket 22, referring to fig. 11 and 12, the circuit board 3 is provided with a second threaded hole 33, the first threaded hole 224 and the second threaded hole 33 are in butt joint and are penetrated by the threaded connection member 5, and the radiator 4 is provided with a third threaded hole (not shown in the figure) in cooperation connection with the threaded connection member 5, thereby, the first threaded hole 224, the second threaded hole 33 and the third threaded hole are sequentially connected through the threaded connection member 5, so that the fastening connection between the vehicle lamp optical element assembly of the present embodiment and the circuit board 3 and the radiator 4 can be achieved, and the installation of the vehicle lamp optical element assembly of the present embodiment is completed.
In summary, in the vehicle lamp optical element assembly of the present embodiment, the primary optical element 11 and the secondary optical element 21 are assembled into a unitary structure by the mating connection of the first bracket 12 and the second bracket 22, so as to directly determine the relative positions of the two, thereby realizing the direct positioning between the primary optical element 11 and the secondary optical element 21. Further, the forward movement of the first bracket 12 with respect to the second bracket 22 is restricted by the contact of the front positioning surface (front end surface 121a of the support bracket 121) of the first bracket 12 with the front surface 221a inside the slot 221 of the second bracket 22, the upward movement of the first bracket 12 with respect to the second bracket 22 is restricted by the contact of the upper positioning surface (upper surface 122b of the stopper 122) of the first bracket 12 with the upper surface 221b inside the slot 221, the downward movement of the first bracket 12 with respect to the second bracket 22 is restricted by the contact of the lower positioning surface (lower surface 121b of the support bracket 121) of the first bracket 12 with the lower surface 221c inside the slot 221, the leftward and rightward movement of the first bracket 12 with respect to the second bracket 22 is restricted by the contact of the inner side surfaces 126a of the two engaging portions 126 on the first bracket 12 with the left and right sides 22b and 22c of the second bracket 22, respectively, the rear positioning surface of the first bracket 12 (the rear end surface 121c of the supporting frame 121) is in contact fit with the surface 3a of the circuit board 3, and the protruding part 223 at the rear end of the second bracket 22 is in butt fit with the surface 3a of the circuit board 3, so that the first bracket 12 is limited to move backwards relative to the second bracket 22, thereby realizing the relative fixation of the first bracket 12 and the second bracket 22 in the front-back, up-down and left-right directions, ensuring the omnibearing positioning precision and the installation stability of the first bracket 12 and the second bracket 22, namely ensuring the positioning precision and the installation stability of the primary optical element 11 and the secondary optical element 21, and ensuring the relative position of the primary optical element 11 and the secondary optical element 21 to be unchanged after long-time use of the car lamp optical element assembly, thereby ensuring the accuracy and the stability of the lamp light. In addition, after the primary optical element assembly 1 and the secondary optical element assembly 2 are assembled into an integral structure and the relative positions of the primary optical element 11 and the secondary optical element 21 are determined, the integral structure is mounted on the circuit board 3 and the radiator 4, so that the positioning precision requirements of the circuit board 3 and the radiator 4 can be reduced, and the mounting process is simpler and more convenient.
Based on the above-mentioned car light optical element assembly, the embodiment of the invention also provides a car light, and the car light of this embodiment includes the above-mentioned car light optical element assembly of this embodiment.
Based on the car lamp, the embodiment of the invention also provides an automobile, and the automobile of the embodiment comprises the car lamp of the embodiment.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (5)
1. The automobile lamp optical element assembly comprises a primary optical element assembly (1) and a secondary optical element assembly (2), and is characterized in that the primary optical element assembly (1) comprises a primary optical element (11) and a first support (12) for supporting the primary optical element (11), the secondary optical element assembly (2) comprises a secondary optical element (21) and a second support (22) for supporting the secondary optical element (21), the first support (12) is connected with the second support (22) in a matched mode, so that the primary optical element (11) and the secondary optical element (21) are relatively fixed, the first support (12) comprises a support frame (121) and a limiting piece (122), the limiting piece (122) is fixedly arranged on the primary optical element (11), the support frame (121) is provided with a limiting groove (123), and the limiting piece (122) is connected with the limiting groove (123) in a matched mode and is relatively fixed with the support frame (121). The second bracket (22) is provided with a slot (221), the first bracket (12) is in plug-in fit with the slot (221), and the first bracket (12) is provided with a positioning surface which is contacted with the surface of the inner side of the slot (221); the secondary optical element (21) is arranged at the front end of the second bracket (22), the slot (221) penetrates through the rear end face (22 a) of the second bracket (22) and extends forwards from back to back, the positioning surface of the first bracket (12) comprises a front positioning surface positioned at the front end face of the first bracket (12), an upper positioning surface positioned at the upper surface of the first bracket (12) and a lower positioning surface positioned at the lower surface of the first bracket (12), the front positioning surface is contacted with the front surface (221 a) inside the slot (221), the upper positioning surface is contacted with the upper surface (221 b) inside the slot (221), and the lower positioning surface is contacted with the lower surface (221 c) inside the slot (221); the slot (221) penetrates through the second bracket (22) along the left-right direction, the left side and the right side of the first bracket (12) are respectively provided with a clamping part (126), and the opposite inner side surfaces (126 a) of the two clamping parts (126) are respectively contacted with the left side surface and the right side surface of the second bracket (22); the rear end of the first bracket (12) is provided with a rear positioning surface for abutting against the surface (3 a) of the circuit board (3), and the rear end surface (22 a) of the second bracket (22) is provided with a protruding part (223) for abutting against the surface (3 a) of the circuit board (3).
2. The vehicle lamp optical element assembly according to claim 1, wherein the limiting piece (122) is provided with a first positioning hole (124), and the limiting groove (123) is internally provided with a first positioning pin (125) which is in plug-in fit with the first positioning hole (124).
3. The vehicle lamp optical element assembly according to claim 1, characterized in that the rear end of the first bracket (12) is extended with a second positioning pin (127) for being in plug-in fit with a second positioning hole (31) on the circuit board (3).
4. A vehicle lamp comprising the vehicle lamp optical element assembly as claimed in any one of claims 1 to 3.
5. An automobile comprising the lamp of claim 4.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556042.6A CN110173669B (en) | 2019-06-25 | 2019-06-25 | Car light optical element assembly, car light and car |
| US17/620,757 US11781721B2 (en) | 2019-06-25 | 2019-09-05 | Vehicle lamp optical element assembly, vehicle lamp and automobile |
| PCT/CN2019/104574 WO2020258517A1 (en) | 2019-06-25 | 2019-09-05 | Vehicle lamp optical element assembly, vehicle lamp and automobile |
| US17/415,864 US11391429B2 (en) | 2019-05-20 | 2020-04-16 | Vehicle lamp optical element assembly, vehicle illumination module, vehicle lamp, and vehicle |
| PCT/CN2020/085171 WO2020233297A1 (en) | 2019-05-20 | 2020-04-16 | Vehicle lamp optical element assembly, vehicle lighting module, vehicle lamp, and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556042.6A CN110173669B (en) | 2019-06-25 | 2019-06-25 | Car light optical element assembly, car light and car |
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| Publication Number | Publication Date |
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| CN110173669A CN110173669A (en) | 2019-08-27 |
| CN110173669B true CN110173669B (en) | 2024-06-18 |
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| WO2020233297A1 (en) * | 2019-05-20 | 2020-11-26 | 华域视觉科技(上海)有限公司 | Vehicle lamp optical element assembly, vehicle lighting module, vehicle lamp, and vehicle |
| US11781721B2 (en) | 2019-06-25 | 2023-10-10 | Hasco Vision Technology Co., Ltd. | Vehicle lamp optical element assembly, vehicle lamp and automobile |
| CN210141549U (en) * | 2019-08-26 | 2020-03-13 | 华域视觉科技(上海)有限公司 | A lighting module for forming regional light shape of car light passing light middle part |
| CN112781003A (en) * | 2020-06-09 | 2021-05-11 | 华域视觉科技(上海)有限公司 | Headlamp optical assembly, lighting device, headlamp and vehicle |
| US20230324632A1 (en) * | 2020-09-25 | 2023-10-12 | Sumitomo Electric Industries, Ltd. | Ferrule, optical connector, and optical connection structure |
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