CN219222170U - Car light structure and vehicle - Google Patents
Car light structure and vehicle Download PDFInfo
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- CN219222170U CN219222170U CN202320803961.0U CN202320803961U CN219222170U CN 219222170 U CN219222170 U CN 219222170U CN 202320803961 U CN202320803961 U CN 202320803961U CN 219222170 U CN219222170 U CN 219222170U
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- light guide
- printed circuit
- circuit board
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Abstract
The utility model provides a car lamp structure and a car, which belong to the technical field of vehicles and comprise a lamp housing, a plurality of light guide plates and a printed circuit board, wherein the lamp housing is provided with a plurality of light guide plates; the plurality of light guide plates are arranged in the lamp shell at intervals; the printed circuit board is fixedly arranged in the lamp shell and positioned at the same end of the plurality of light guide plates; a plurality of LED luminous body groups which are in one-to-one correspondence with the plurality of groups of light guide plates are arranged on the printed circuit board; the end face of each light guide plate and the plate face of the printed circuit board are provided with intervals, and the intervals are unequal. The distances between the light guide plates and the LED luminous body groups corresponding to the light guide plates are unequal, so that the light quantity passing through the light guide plates is different, the farther the distance is, the less the light quantity enters the light guide plates, the weaker the brightness is, the non-uniform luminous brightness of each light guide plate is realized, and the brightness change effect is realized; in addition, the LED luminous body groups on the printed circuit board are controlled by the same circuit of the controller, the circuit form is simple, and the control cost is low.
Description
Technical Field
The utility model belongs to the technical field of vehicles, and particularly relates to a vehicle lamp structure and a vehicle.
Background
Because Light Emitting Diodes (LEDs) have advantages of long life, low energy consumption, quick start, and the like, LED devices have been widely used in the fields of signal lamps, automotive lamps, large-screen display, illumination, and the like.
In the prior art, an LED light source on a printed circuit board in a car lamp is controlled by one circuit by adopting one controller, so that the luminous form of the LED light source is single, and if the luminous mode is required to have interlayer brightness differentiation, a plurality of circuits are required to be designed to respectively control a plurality of LED light sources on the printed circuit board, so that the problems of complex circuit and high cost exist.
Disclosure of Invention
The utility model aims to provide a car lamp structure and a car, and aims to solve the technical problem of high cost caused by single luminous form or different luminous brightness in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a lamp structure including:
a lamp housing; defining the direction from the light emitting surface to the backlight surface of the lamp housing as a first positive direction;
the light guide plates are arranged in the lamp housing at intervals along the first positive direction; and
the printed circuit board is fixedly arranged in the lamp shell and positioned at the same end of the plurality of light guide plates; the printed circuit board is provided with a plurality of LED luminous body groups which are in one-to-one correspondence with the plurality of light guide plates;
and the space between the end face of each light guide plate and the board face of the printed circuit board is unequal.
In one possible implementation, the distance between the end face of each light guide plate and the board face of the printed circuit board increases sequentially along the first positive direction.
In one possible implementation, the light guide plate includes:
a main board section;
the light entering part is formed at one end of the main board part, corresponds to the printed circuit board and has a space with the printed circuit board; the end face of the light inlet part comprises a non-optical plane and an inward concave arc incidence surface, and the arc incidence surface corresponds to the LED luminous body group.
In some embodiments, the printed circuit board is provided with two groups, which are respectively arranged at two opposite ends of the light guide plate at intervals; the light incident part is also provided with two groups which are respectively positioned at the opposite ends of the main board part.
In some embodiments, the lamp housing comprises:
a main housing; and
the fixing frames are sequentially arranged in the main shell along the first positive direction; the number of the fixing frames is equal to that of the light guide plates;
the fixing frame close to the light-emitting surface of the main shell is defined as a first fixing frame, and the light guide plate close to the light-emitting surface of the main shell is defined as a first light guide plate; the first light guide plate is fixed between the main shell and the first fixing frame; and the rest two fixing frames adjacent to each other are used for fixing one light guide plate.
In some embodiments, each two adjacent fixing frames are connected in an inserting way; and the plug-in parts of every two adjacent fixing frames are also provided with a buckle structure.
In some embodiments, the fixing frame adjacent to the backlight surface of the main housing is defined as a third fixing frame, and the rest fixing frames except the first fixing frame and the third fixing frame are second fixing frames; the second fixing frame is provided with at least one;
the first fixing frame and the second fixing frame are annular shell-shaped structures penetrating along the first positive direction, and the third fixing frame is of a shell-shaped structure with one closed surface.
In some embodiments, the light emitting surface of the main housing is provided with an annular flange, the first fixing frame is provided with a first annular pressing plate, and the first light guide plate is limited between the annular flange and the first annular pressing plate.
In some embodiments, the main housing has an avoidance area for avoiding the printed circuit board and the light incident portion; the main shell is provided with a connecting frame at the periphery of the avoidance area.
The car lamp structure provided by the utility model has the beneficial effects that: compared with the prior art, in the car light structure, the distances from the light guide plates to the printed circuit board are respectively unequal, namely, the distances between the light guide plates and the LED luminous body groups corresponding to the light guide plates are respectively unequal, and the light quantity passing through the light guide plates is different due to the difference of the distances, the farther the distance is, the less the light quantity entering the light guide plates is, the weaker the brightness is, the light-emitting brightness of each light guide plate is inconsistent, and the brightness change effect is realized; in addition, the LED luminous body groups on the printed circuit board are controlled by the same circuit of the controller, the circuit form is simple, and the control cost is low.
The utility model also provides a vehicle, which comprises the vehicle lamp structure.
The vehicle provided by the utility model can realize the effect of interlayer brightness gradual change due to the adoption of the vehicle lamp structure, and has the advantages of simple structure and low cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a vehicle lamp structure according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of the structure of line A-A of FIG. 1;
fig. 3 is a schematic diagram of a positional relationship between a plurality of light guide plates and a printed circuit board of a vehicle lamp structure according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a light guide plate of a vehicle lamp structure according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a printed circuit board of a vehicle lamp structure according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a vehicle lamp structure according to an embodiment of the present utility model with a main housing removed;
fig. 7 is an exploded view of a plurality of holders of a lamp structure according to an embodiment of the present utility model;
fig. 8 is a schematic structural view of a main housing of a vehicle lamp structure according to an embodiment of the present utility model.
In the figure:
1. a lamp housing; 11. a main housing; 111. annular flanging; 112. an avoidance zone; 113. a connection frame; 12. a fixing frame; 121. a first fixing frame; 1211. a first annular crimping plate; 1212. a first annular crimp; 1213. a first annular insertion groove; 122. the second fixing frame; 1221. a second annular pinboard; 1222. a second annular crimp; 1223. the second annular inserting groove; 123. a third fixing frame; 1231. a third annular pinboard; 1232. a rear cover; 13. a buckle structure; 131. a buckle; 132. a clamping groove; 133. a clamping block;
2. a light guide plate; 21. a main board section; 22. a light inlet part; 221. a non-optical plane; 222. an arc-shaped incident surface;
3. a printed circuit board;
4. an LED luminary set.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1, 2 and 6, a vehicle lamp structure according to the present utility model will be described. The car lamp structure comprises a lamp shell 1, a plurality of light guide plates 2 and a printed circuit board 3. Defining the direction from the light emergent surface to the backlight surface of the lamp housing 1 as a first positive direction; the light guide plates 2 are arranged in the lamp housing 1 at intervals along the first positive direction; the printed circuit board 3 is fixedly arranged in the lamp housing 1 and positioned at the same end of the plurality of light guide plates 2; the printed circuit board 3 is provided with a plurality of LED luminous body groups 4 which are in one-to-one correspondence with the light guide plates 2. Wherein, there is a space between the end face of each light guide plate 2 and the board face of the printed circuit board 3, and the space between the end face of each light guide plate 2 and the board face of the printed circuit board 3 is not equal.
It should be noted that, the plurality of groups of LED luminary groups 4 on the printed circuit board 3 are controlled by the same circuit of a controller. The total amount of emitted light of each LED luminary set 4 is the same.
Light guide points are distributed on the light guide plate 2, and when light rays reach each light guide point, the reflected light becomes diffused towards each angle. By providing various light guide points with different densities and different sizes, the light guide plate 2 can uniformly emit light, thereby improving the light use efficiency.
In this embodiment, the different heights of the light guide plates 2 are used to realize the unequal intervals between the end surfaces of the light guide plates 2 and the board surface of the printed circuit board 3.
Compared with the prior art, the car lamp structure provided by the utility model has the advantages that as the distances from the light guide plates 2 to the printed circuit board 3 are different, namely, the distances between the light guide plates 2 and the corresponding LED luminous body groups 4 are different, the light quantity passing through the light guide plates 2 is different due to the difference of the distances, the farther the distance is, the less the light quantity entering the light guide plates 2 is, the weaker the brightness is, so that the luminous brightness of each light guide plate 2 is inconsistent, and the brightness change effect is realized; in addition, the plurality of groups of LED luminous body groups 4 on the printed circuit board 3 are controlled by the same circuit of the controller, the circuit form is simple, and the control cost is low.
In some embodiments, the structure shown in fig. 3 may be adopted between the plurality of light guide plates 2 and the printed circuit board 3, and referring to fig. 3, the intervals between the end surfaces of the respective light guide plates 2 and the board surface of the printed circuit board 3 sequentially increase along the first positive direction.
Since the interval between the end face of each light guide plate 2 and the board face of the printed circuit board 3 increases in order along the first positive direction, that is, the amount of light entering each light guide plate 2 decreases in order along the first positive direction, and the light-emitting brightness of each light guide plate 2 decreases in order along the first positive direction, the effect of gradual brightness change can be achieved for the plurality of light guide plates 2, and the profound effect of the lamp body is increased.
In some embodiments, the light guide plate 2 includes a main plate portion 21 and a light incident portion 22. The light incident portion 22 is formed at one end of the main board portion 21, and corresponds to the printed circuit board 3, and a space exists between the light incident portion and the printed circuit board 3; the end face of the light incident portion 22 includes a non-optical plane 221 and an inward concave arc incident surface 222, and the arc incident surface 222 corresponds positively to the LED emitter group 4.
The main board 21 is provided with light guide points, which are mainly used for light emission. The light incident portion 22 corresponds to the LED emitter group 4 and is mainly used for incident light. Wherein the LED luminary set 4 comprises a plurality of LED luminaries as shown in fig. 5. The end surface of the light incident portion 22 includes a plurality of arc incident surfaces 222, and the plurality of arc incident surfaces 222 are in one-to-one correspondence with the plurality of LED emitters. Each LED light emitter emits light toward its corresponding arc-shaped incident surface 222, and the light enters the main plate portion 21 through the arc-shaped incident surface 222.
The light is incident from the end face of the light guide plate 2, and is emitted from the plate face of the light guide plate 2, which is a prior art technique for applying the light guide plate 2.
Preferably, the printed circuit board 3 is provided with two groups, which are respectively arranged at two opposite ends of the light guide plate 2 at intervals, as shown in fig. 3; the light incident portion 22 is also provided with two groups, which are respectively located at opposite ends of the main plate portion 21, as shown in fig. 4.
It should be noted that, one of the printed circuit boards 3 is located at the same end of the plurality of light guide plates 2, the other printed circuit board 3 is located at the other same end of the plurality of light guide plates 2, and the two printed circuit boards 3 are disposed opposite to each other. Each light guide plate 2 includes two light incident portions 22, the two light incident portions 22 correspond to the two printed circuit boards 3, respectively, and a space exists between the light incident portions 22 and the corresponding printed circuit boards 3.
The printed circuit board 3 is provided with two groups, and each group of the printed circuit board 3 is provided with a plurality of groups of LED luminous body groups 4, that is, the two ends of the light guide plate 2 can be used for injecting light, so that the injection quantity of the light is further increased, and the light guide plate 2 is ensured to emit light uniformly.
In some embodiments, the lamp housing 1 may have a structure as shown in fig. 2, 6 and 7, and referring to fig. 2, 6 and 7, the lamp housing 1 includes a main housing 11 and a plurality of fixing frames 12. The main housing 11 is a shell-like structure penetrating in the first forward direction and the reverse direction of the first forward direction, and the plurality of fixing frames 12 are sequentially arranged inside the main housing 11 in the first forward direction; the number of the fixing frames 12 is equal to the number of the light guide plates 2.
The fixing frame 12 near the light emitting surface of the main housing 11 is defined as a first fixing frame 121, and the light guide plate 2 near the light emitting surface of the main housing 11 is defined as a first light guide plate; the first light guide plate is fixed between the main housing 11 and the first fixing frame 121; the rest of every two adjacent fixing frames 12 fix one light guide plate 2.
The first light guide plate is fixed between the main shell 11 and the first fixing frame 121, each of the other light guide plates 2 is fixed between two adjacent fixing frames 12, compared with the mode that the light guide plates 2 are directly fixed in the main shell 11, a plurality of fixing frames 12 are added in the main shell 11, the plurality of fixing frames 12 are used for supporting and fixing the light guide plates 2, the light guide plates 2 are stably and firmly assembled, shaking does not occur, and light rays are further ensured to be emitted in a preset direction.
In some embodiments, the main housing 11 may have a structure as shown in fig. 8, and referring to fig. 8, the main housing 11 has an avoidance area 112 for avoiding the printed circuit board 3 and the light incident portion 22; since the main board portion 21 of the light guide plate 2 has a rectangular structure, the light incident portion 22 is located at an end of the main board portion 21, and the main housing 11 is provided with the avoidance area 112 in order to accommodate the assembly of the printed circuit board 3 and the light incident portion 22, both the printed circuit board 3 and the light incident portion 22 are located in the avoidance area 112.
In addition, the main casing 11 is provided with a connection frame 113 at the periphery of the avoidance area 112, and the connection frame 113 plays a role in blocking the avoidance area 112, that is, blocking the printed circuit board 3 and the light inlet 22, on one hand, and on the other hand, the connection frame 113 plays a role in connecting with the vehicle body.
In some embodiments, the plurality of fixing frames 12 may have a structure as shown in fig. 6 and 7, and referring to fig. 6 and 7, two fixing frames 12 are connected in an inserting manner.
Specifically, the fixing frame 12 close to the backlight surface of the main housing 11 is defined as a third fixing frame 123, and the rest fixing frames 12 except the first fixing frame 121 and the third fixing frame 123 are defined as second fixing frames 122; the second fixing frame 122 is provided with at least one. It should be noted that only one second fixing frame 122 is shown in fig. 2, 6 and 7, that is, only one first fixing frame 121, one second fixing frame 122 and one third fixing frame 123 are shown in fig. 2, 6 and 7 (respectively, three light guide plates 2 are shown in fig. 2 and 3), but the number of the second fixing frames 122 is not limited in this embodiment.
The first fixing frame 121 and the second fixing frame 122 are both annular shell structures penetrating along the first positive direction, and the third fixing frame 123 is a shell structure with one closed surface.
In order to realize the plug-in connection of every two adjacent fixing frames 12, specifically, the first fixing frame 121 includes a first annular crimping plate 1211 and a first annular crimping portion 1212 which are sequentially connected along a first positive direction, a first annular plug-in groove 1213 is provided on the first annular crimping portion 1212, and a notch of the first annular plug-in groove 1213 faces the first positive direction.
The second fixing frame 122 includes a second annular plug board 1221 and a second annular crimp portion 1222 that are sequentially connected along the first positive direction, the second annular plug board 1221 is correspondingly inserted into the first annular plug slot 1213 along the opposite direction of the first positive direction, and one of the light guide plates 2 is press-fitted between the first annular crimp portion 1212 and the second annular crimp portion 1222; the second annular crimp portion 1222 is provided with a second annular insertion groove 1223, and a notch of the second annular insertion groove 1223 faces the first positive direction.
The third fixing frame 123 includes a third annular inserting plate 1231 and a rear cover 1232 sequentially connected along the first positive direction, the third annular inserting plate 1231 is correspondingly inserted into the second annular inserting groove 1223, and one of the light guide plates 2 is pressed between the second annular pressing part 1222 and the rear cover 1232.
The two adjacent fixing frames 12 are connected by using the plug-in connection, the connection mode is simple and reliable, and the light guide plate 2 is ensured to be pressed between the two fixing frames 12.
In addition, in order to further enhance the connection stability between two adjacent fixing frames 12, the plugging portion of each two adjacent fixing frames 12 is further provided with a fastening structure 13, as shown in fig. 6 and 7.
Specifically, the fastening structure 13 includes a fastener 131 disposed on one of the fixing frames 12, and a fastening block 133 disposed on the fixing frame 12 adjacent to the fixing frame 12, where the fastening block 133 is provided with a fastening slot 132, and the fastener 131 is correspondingly fastened in the fastening slot 132.
The light-emitting surface of the main housing 11 is provided with an annular flanging 111, and the plurality of fixing frames 12 are connected into a whole in a plugging and clamping mode, and then are pressed into the main housing 11 and positioned behind the annular flanging 111. The first light guide plate is positioned between the annular flange 111 and the first annular crimp plate 1211.
The annular flange 111 can limit the first light guide plate and limit a plurality of fixing frames 12 integrally connected,
the lamp housing 1 may also be another embodiment, and specifically, the lamp housing 1 includes a main housing 11 and a plurality of fixing frames 12. The plurality of fixing frames 12 are sequentially arranged inside the main housing 11 along the first positive direction; wherein the number of the fixing frames 12 is one more than that of the light guide plates 2; each two adjacent fixing frames 12 fix one light guide plate 2.
This embodiment differs from the above-described embodiment only in that the number of holders 12 is one more than the number of light guide plates 2, wherein the first light guide plate is also fixed between two adjacent holders 12. The assembly form of the plurality of holders 12 and the connection manner of the first holder 121 and the main housing 11 are the same as those of the above embodiment.
Based on the same inventive concept, the embodiment of the application also provides a vehicle, which comprises the vehicle lamp structure.
The vehicle provided by the utility model can realize the effect of interlayer brightness gradual change due to the adoption of the vehicle lamp structure, and has the advantages of simple structure and low cost.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A lamp structure, comprising:
a lamp housing (1); defining the direction from the light emergent surface to the backlight surface of the lamp housing (1) as a first positive direction;
a plurality of light guide plates (2) arranged at intervals along the first positive direction inside the lamp housing (1); and
the printed circuit board (3) is fixedly arranged in the lamp housing (1) and positioned at the same end of the plurality of light guide plates (2); a plurality of LED luminous body groups (4) which are in one-to-one correspondence with a plurality of groups of the light guide plates (2) are arranged on the printed circuit board (3);
the light guide plates (2) are arranged on the printed circuit board (3) in a staggered manner, wherein a space exists between the end face of each light guide plate (2) and the board face of the printed circuit board (3), and the space between the end face of each light guide plate (2) and the board face of the printed circuit board (3) is unequal.
2. The lamp structure according to claim 1, wherein a distance between an end face of each of the light guide plates (2) and a plate face of the printed circuit board (3) increases in order in the first positive direction.
3. The lamp structure according to claim 1, wherein the light guide plate (2) comprises:
a main board section (21);
a light incident part (22) formed at one end of the main board part (21) and corresponding to the printed circuit board (3), wherein a space exists between the light incident part and the printed circuit board (3); the end face of the light inlet part (22) comprises a non-optical plane (221) and an inward concave arc-shaped incidence surface (222), and the arc-shaped incidence surface (222) corresponds to the LED luminous body group (4).
4. A vehicle lamp structure according to claim 3, wherein the printed circuit board (3) is provided with two groups, respectively arranged at opposite ends of the light guide plate (2) at intervals; the light incident part (22) is also provided with two groups which are respectively positioned at two opposite ends of the main board part (21).
5. The lamp structure according to claim 3 or 4, wherein the lamp housing (1) comprises:
a main housing (11); and
a plurality of fixing frames (12) which are sequentially arranged in the main housing (11) along the first positive direction; the number of the fixing frames (12) is equal to that of the light guide plates (2);
the fixing frame (12) close to the light-emitting surface of the main shell (11) is defined as a first fixing frame (121), and the light guide plate (2) close to the light-emitting surface of the main shell (11) is defined as a first light guide plate; the first light guide plate is fixed between the main shell (11) and the first fixing frame (121); and the rest two fixing frames (12) adjacent to each other are used for fixing one light guide plate (2).
6. The vehicle lamp structure according to claim 5, characterized in that each two adjacent fixing frames (12) are connected in an inserting manner; the plug-in parts of every two adjacent fixing frames (12) are also provided with a buckle structure (13).
7. The lamp structure according to claim 6, wherein the fixing frame (12) adjacent to the backlight surface of the main housing (11) is defined as a third fixing frame (123), and the rest of the fixing frames (12) except the first fixing frame (121) and the third fixing frame (123) are second fixing frames (122); the second fixing frame (122) is provided with at least one;
the first fixing frame (121) and the second fixing frame (122) are annular shell structures penetrating along the first positive direction, and the third fixing frame (123) is a shell structure with one closed surface.
8. The vehicle lamp structure according to claim 5, wherein the light-emitting surface of the main housing (11) is provided with an annular flange (111), the first fixing frame (121) is provided with a first annular pressing plate (1211), and the first light guide plate is limited between the annular flange (111) and the first annular pressing plate (1211).
9. The vehicle lamp structure according to claim 5, wherein the main housing (11) has an escape area (112) for escaping the printed circuit board (3) and the light entrance portion (22); the main shell (11) is provided with a connecting frame (113) at the periphery of the avoidance area (112).
10. A vehicle characterized by comprising the lamp structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803961.0U CN219222170U (en) | 2023-04-12 | 2023-04-12 | Car light structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320803961.0U CN219222170U (en) | 2023-04-12 | 2023-04-12 | Car light structure and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219222170U true CN219222170U (en) | 2023-06-20 |
Family
ID=86740818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320803961.0U Active CN219222170U (en) | 2023-04-12 | 2023-04-12 | Car light structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219222170U (en) |
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2023
- 2023-04-12 CN CN202320803961.0U patent/CN219222170U/en active Active
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