CN206130798U - Automobile tail lamp - Google Patents

Abstract

An automobile taillight includes a housing and at least one light-emitting module installed inside the housing. The light-emitting module includes a first light guide base, a second light guide base, a light-emitting unit, a reflector, and an adjustable A light-transmitting plate that reflects part of the light to the reflective plate, the first light guide base and the second light guide base both have a light incident surface and a light exit surface, and the light emitting unit has several light guides corresponding to the first light guide base. A first light-emitting component on the light-incident surface of the base, and a plurality of second light-emitting components corresponding to the light-incident surface of the second light guide base. By utilizing the first light-emitting element and the second light-emitting element to respectively correspond to the first light guide base and the second light guide base, lower-cost monochromatic light-emitting diodes can be used as light sources to reduce manufacturing and maintenance costs. cost.

Description

car tail light

technical field

The utility model relates to a car light, in particular to a car tail light which is installed at the rear of the car and has the functions of warning and direction display.

Background technique

In order to save energy, in the design of the existing automobile tail lights with composite functions, some energy-saving light-emitting diodes are used as light-emitting parts. Because the light distribution of light-emitting diodes is relatively uniform, there is relatively little change in the level of light and shade visually. . In order to improve the aforementioned deficiencies, the applicant of this case proposed a utility model No. M504025 in Taiwan, China. This utility model mainly uses the cooperation of the light guide seat and the reflector to allow the light to be continuously reflected in the middle, in addition to producing light and dark levels. In addition to the change, it can also produce the effect of supplementary light and reduce the number of light-emitting elements used.

Although the aforementioned utility model has the above-mentioned advantages, in order to produce the functions of brake warning and direction display, it must use a light-emitting diode with two-color light, because the manufacturing cost of the light-emitting diode with two-color light is quite high, and the control of the circuit is relatively high. Complicated, therefore, although the above-mentioned utility model has good supplementary light effect and light-dark level change, it is all relatively high in the cost of manufacture and maintenance.

Contents of the invention

The purpose of the utility model is to provide an automobile tail light which can reduce manufacturing and maintenance costs while having the effect of supplementary light and the change of light and dark levels.

The automobile tail light of the utility model comprises a housing and at least one light-emitting module. The housing includes a housing body defining an accommodating space. The housing body has a light-transmitting area. The light-emitting module is installed in the housing of the housing. placed in the space, and includes a first light guide seat, a light-emitting unit, a reflective plate, and a light-transmissive plate that is adjacent to the light-transmitting area of the housing and can reflect part of the light to the reflective plate. The reflective plate is interposed between the light-emitting unit and the light-transmitting plate, and the first light-guiding base has a light-guiding strip adjacent to the reflecting plate, the light-guiding strip has a first light-incident surface, and a guiding light projecting the light-transmitting The first light emitting surface of the light plate, and the light emitting unit has several first light emitting elements that project light onto the first light incident surface, and the at least one light emitting module also includes a second light guide seat, and the second light guide The seat abuts against the first light guide seat, and has a second light incident surface, and a second light exit surface adjacent to the light-transmitting area, and the light emitting unit also has several A second luminous element with a surface and a color light different from the first luminous element.

In the automobile tail light described in the utility model, the first light-emitting surface of the first light-guiding seat has two spaced clamping sections, and the second light-guiding seat has a set of the second light-incoming surface and the second The base plate of the light-emitting surface, the base plate also has two clamping surfaces that can abut against the clamping sections respectively.

In the automobile tail light described in the utility model, the light-emitting module further includes a base, and a frame set between the first light guide seat and the second light guide seat, and the base has a housing for the The first light guide seat, the second light guide seat, the light-emitting unit, the housing chamber of the reflective plate and the light-transmitting plate, and a first hook, and the second light guide seat also has a And the second hook engaged with the first hook of the base.

In the automobile tail light described in the utility model, the base also has several baffles spaced apart from the first hook, and the base plate of the second light guide seat also has a first abutment against the baffle. a side, and a second side abutting against the frame seat, the second hook protruding from the first side.

In the automobile tail light described in the utility model, the base further includes a base wall, and a surrounding wall defining the chamber together with the base wall, the surrounding wall has a low concave portion, and the baffle plate Protrude and protrude from the depression.

In the automobile tail light described in the utility model, the light guide bar of the first light guide base is a U-shaped structure, and the second light guide base is a long plate structure, and the two are close to each other and surround the reflector.

In the automobile tail light described in the utility model, the first light guide seat also has a concave-convex surface adjacent to the light-transmitting area of the housing, and the second light-emitting surface of the second light guide seat is a concave-convex structure, and is in contact with the The concavo-convex surface of the first light guide base is joined to form a ring frame.

The beneficial effect of the utility model is that: by using the first light-emitting element and the second light-emitting element respectively corresponding to the first light guide seat and the second light guide seat, low-cost and monochromatic light-emitting diodes can be used As a light source to reduce manufacturing and maintenance costs.

Description of drawings

Other features and effects of the present utility model will be clearly presented in the implementation manner with reference to the drawings, wherein:

Fig. 1 is the three-dimensional exploded view of an embodiment of the utility model automobile tail light;

Fig. 2 is a three-dimensional exploded view of this embodiment, separately illustrating a light-emitting module of the automobile taillight;

Fig. 3 is a front view of the embodiment, also illustrating the light emitting module;

Fig. 4 is a sectional view taken along line IV-IV in Fig. 3;

Fig. 5 is a sectional view taken along line V-V in Fig. 3 .

detailed description

Referring to Fig. 1, 2, 3, an embodiment of the automobile tail light of the present utility model is installed in the rear of the vehicle, and has warning, turning and braking functions, and this automobile tail light comprises: a housing 1, a frame installed in the housing 1 Frame 2, and two light-emitting modules 3 installed on the frame 2 spaced up and down. The housing 1 includes a housing body 11 defining an accommodating space 10. The housing body 11 is actually composed of a light-tight housing base and a light-transmitting lampshade. Therefore, after assembly, the The housing body 11 has a light-transmitting area 111 corresponding to the lampshade. The frame 2 is installed in the accommodating space 10 and includes two mounting holes 21 for the light emitting modules 3 to be installed respectively. The quantity of the light emitting module 3 may be one or several.

2, 4, 5, each light emitting module 3 includes a base 31, the base 31 has an upright base wall 311, a surrounding wall 312 surrounding the base wall 311, and a base wall 311 And the chamber 313 defined by the surrounding wall 312, the surrounding wall 312 has a low concave portion 310 adjacent to the outside of the vehicle. And the base 31 also has a first hook 314 protruding from the depression 310, and several baffles 315 protruding from the base wall 311 and protruding from the depression 310, the baffles 315 are two One group is located on the opposite side of the first hook 314 .

Each light-emitting module 3 also includes a light-emitting unit 32 installed in the chamber 313 of the base 31, a U-shaped first light guide seat 33, and a first light guide seat 33 abutted against the first light-emitting unit 32. Two light guide seats 34 , a reflective plate 35 , a frame seat 36 , and a light-transmitting plate 37 . The light-transmitting plate 37 is spaced apart from the reflecting plate 35, and the light-transmitting plate 37 is interposed between the reflecting plate 35 and the light-transmitting region 111 (see FIG. Between the first light guide seat 33 and the second light guide seat 34 .

The light emitting unit 32 has a circuit board 321 , several first light emitting elements 322 capable of generating a first color light, and several second light emitting elements 323 capable of generating a second color light. The first light-emitting elements 322 are electrically connected and installed on the circuit board 321 and arranged at intervals in a U shape. The second light-emitting elements 323 are also electrically connected and installed on the circuit board 321 but arranged at intervals and in a straight line. The first color light described in this embodiment is red which can produce a warning function, and the second color light is orange. In order to achieve the turning display effect, the second color light can produce a flickering effect through the control of the circuit board 321 .

The first light guide seat 33 has a U-shaped light guide bar 331 corresponding to the first light-emitting element 322, and an erection space 332 defined by the light guide bar 331. The light guide bar 331 has a direction The first light incident surface 333 of the first light-emitting element 322, a concave-convex surface 334 facing the light-transmitting area 111 (see FIG. 1 ) of the housing 1, and a first light-emitting surface inclined from the center to the periphery and outwards 335 , the first light-emitting surface 335 has two vertically parallel clamping sections 336 , and the inclination angle of the first light-emitting surface 335 is between 45-75 degrees, preferably 65-70 degrees.

The second light guide seat 34 has a plate-shaped substrate 341, and a second hook 342 integrally protruding from the substrate 341 and engaging with the first hook 314. The substrate 341 has a The first side 343 against which the baffle 315 of the base 31 abuts, one second side 344 against the frame 36 , and two connected between the first side 343 and the second side 344 and up and down Interval clamping surfaces 345 , a second incident surface 346 between the clamping surfaces 345 and facing the second light-emitting element 323 , and a second light incident surface 346 connected to the first side 343 and the second side 344 The second light-emitting surface 347 in between, the second light-emitting surface 347 is a concave-convex structure, which faces the light-transmitting area 111 of the housing 1 (see FIG. 1 ), and is compatible with the concave-convex surface of the first light guide seat 33 334 are connected into a ring frame shape. The inclination of the clamping surface 345 is matched with the clamping section 336 of the first light guide seat 33 , and the two abut against each other, and the first light incident surface 333 and the second light incident surface 346 both have Several light-collecting surfaces corresponding to the first light-emitting element 322 and the second light-emitting element 323 respectively, since the above-mentioned light-collecting surfaces are not the focus of improvement of the present invention, no further description will be given.

The function of the reflector 35 is to reflect light to the light-transmitting plate 37, and the frame seat 36 is framed on the light guide bar 331 of the first light guide base 33 and the second side of the second light guide base 34 344, and make the reflection plate 35 and the light-transmitting plate 37 spaced apart, the light-transmitting plate 37 is made of a semi-reflective plate, the purpose is to let part of the light pass through, and at the same time reflect part of the light to the reflector 35. Since the reflective effect of the reflecting plate 35 and the light-transmitting plate 37 is not the focus of the present invention, it will not be described in detail.

In this embodiment, when the tail light of the automobile is in a warning state, the first light-emitting part 322 will emit a stable red light, and the red light will enter from the first light incident surface 333 of the first light guide seat 33, and then pass through the The first light-emitting surface 335 is projected onto the frame 36 and then reflected to the light-transmitting plate 37. Since the reflecting plate 35 is a semi-reflective plate, part of the light will pass through the edge adjacent to the light-transmitting plate 37. Part of the light will be reflected by the light-transmitting plate 37 to the reflecting plate 35, and then be reflected to the light-transmitting plate 37 by the reflecting plate 35. Since the brightness of the light projected on the reflecting plate 35 will gradually reflect and decrease, the reflected The light spot can produce the effect of supplementary light, so in the case of the same light-emitting area and luminous brightness, this embodiment can reduce the number of the first light-emitting element 322 due to the reflection and supplementary light of the light spot, and because the light will Gradual changes are produced, so this embodiment can also make the light produce a sense of novelty and a better warning effect.

When the automobile tail light is switched to a turning state, in addition to the first luminous part 322 emitting red light, the second luminous part 323 will also emit flashing orange light, and the aforementioned flashing orange light passes through the first The guidance of the second light guide seat 34 is projected from the second light emitting surface 347 to produce a flashing steering warning effect.

It is further explained that, compared with the utility model No. M504025 of Taiwan, China, which the applicant applied for before, in addition to the novel structure, the first light-emitting element 322 that produces the first color light only corresponds to the first light-emitting element 322. The light guide seat 33, and the second light-emitting element 323 that produces the second color light only corresponds to the second light-guide seat 34, therefore, the first light-emitting element 322 and the second light-emitting element 323 can be monochrome with low cost. of light-emitting diodes. Therefore, in addition to many advantages described in the utility model No. M504025 of the Taiwan certificate number, the tail light of the utility model also has the effect of reducing manufacturing and maintenance costs.

Claims (7)

1. An automobile tail light, comprising: a housing, and at least one light-emitting module, the housing includes a shell body that defines an accommodating space, the shell body has a light-transmitting area, and the at least one light-emitting module is mounted on In the accommodating space of the casing, it includes a first light guide seat, a light-emitting unit, a reflective plate, and a light-transmissive plate that is adjacent to the light-transmitting area of the casing and can reflect part of the light to the reflective plate. , the reflective plate is interposed between the light-emitting unit and the light-transmitting plate, and the first light guide seat has a light guide strip adjacent to the reflective plate, the light guide strip has a first light incident surface, and a light guide The light is projected onto the first light-emitting surface of the light-transmitting plate, and the light-emitting unit has several first light-emitting elements that project light onto the first light-incident surface; it is characterized in that: The at least one light emitting module also includes a second light guide seat, which abuts against the first light guide seat, and has a second light incident surface, and a second light exit adjacent to the light transmission area. surface, and the light-emitting unit also has several second light-emitting elements that project light onto the second light-incident surface and have a color light different from that of the first light-emitting elements. 2. The automobile tail light according to claim 1, characterized in that: the first light-emitting surface of the first light-guiding seat has two spaced snap-in sections, and the second light-guiding seat has a set of the second The light incident surface and the substrate of the second light exit surface, the substrate also has two clamping surfaces that can abut against the clamping sections respectively. 3. The automobile tail light according to claim 2, characterized in that: the light-emitting module further comprises a base, and a frame set between the first light-guiding seat and the second light-guiding seat, the The base has a chamber for accommodating the first light guide seat, the second light guide seat, the light emitting unit, the reflection plate and the light transmission plate, and a first hook, and the second light guide seat There is also a second hook protruding from the base plate and engaged with the first hook of the base. 4. The automobile tail light according to claim 3, characterized in that: the base also has several baffles spaced apart from the first hook, and the base plate of the second light guide seat also has a A first side against which the baffle plate abuts, and a second side against the frame seat, and the second hook protrudes from the first side. 5. The automobile tail light according to claim 4, characterized in that: the base further comprises a base wall, and a surrounding wall defining the chamber together with the base wall, the surrounding wall has a low concave portion, the The baffle protrudes from the base wall and protrudes from the depression. 6. The automobile tail light according to any one of claims 1 to 5, characterized in that: the light guide bar of the first light guide seat is a U-shaped structure, and the second light guide seat is a long plate-shaped structure , the two lean against and merge around the reflector. 7. The automobile tail light according to any one of claims 1 to 5, characterized in that: the first light guide seat also has a concave-convex surface adjacent to the light-transmitting area of the housing, and the second light guide The second light-emitting surface of the seat has a concave-convex structure, and connects with the concave-convex surface of the first light-guiding seat to form a ring frame.