CN207350182U - A kind of LED automobile tail lamp and automobile - Google Patents

Abstract

The utility model discloses an LED automobile tail lamp and an automobile, relates to the technical field of lamp lighting, and solves the problem that in the prior art, when the automobile brakes, the brightness of the position lamp area of the automobile tail lamp changes with the increase of the brightness of the brake lamp area The problem. The LED automobile tail light is composed of a car light body and a car light housing clamped and fixed with the car light body. The car light body includes an LED light-emitting unit fixed on the base and a reflection part arranged on the base; The first brake light reflector, the second brake light reflector and the position light reflector are arranged stepwise; the LED lighting unit includes a first lamp bead part, a second lamp bead part and a third lamp bead part, the first lamp bead The part is used to provide light source to the lower half of the first brake light reflector and the lower half of the second brake light reflector respectively, and the second lamp bead part is used to provide light to the upper half of the first brake light reflector respectively. The upper part and the upper half of the second brake light reflector provide light source, and the third lamp bead part is used to provide light source to the position light reflector.

Description

A kind of LED automobile tail light and automobile

technical field

The utility model relates to the technical field of car lamp lighting, in particular to an LED car tail light and a car.

Background technique

Automobile taillights not only have the function of driving lighting, but also have the function of driving signal indication. Please refer to Figure 1. The existing structure of automobile taillights includes a curved reflector and multiple equidistant LED lamp beads corresponding to the curved reflector. , and a milky white mask and a transparent mask arranged on the opposite side of the curved reflector for filtering light, wherein the milky white mask corresponds to the position light area, and the transparent mask corresponds to the brake light area. When the vehicle is running normally, the brightness of the position light area and the brake light area are kept consistent by controlling the current of each LED lamp bead to ensure the aesthetics of the vehicle; when the vehicle is braking, the LED corresponding to the brake light area is increased. The input current of the lamp bead increases the luminous flux output by the corresponding LED lamp bead, so that the brightness of the brake light area is significantly different from that of the position light area, so that the driver of the rear car can accurately judge the brightness of the tail light of the front car. The car is braking to ensure driving safety. However, for the aesthetics of the design of the automobile taillights in the prior art, the reflective surfaces of the curved reflectors are evenly connected and the radians are consistent, so that when the vehicle is braking, the light in the brake light area will penetrate into the position light area. While causing the brightness of the brake light area to increase, the brightness of the position light area is also increased. Obviously, this will affect the observation of the rear light signal by the driver of the car behind, and then cause the impact on driving safety.

Utility model content

The purpose of the utility model is to provide an LED automobile tail light and an automobile, which solves the problem in the prior art that the brightness of the position lamp area of the automobile tail lamp changes with the increase of the brightness of the brake lamp area when the automobile brakes in the prior art.

In order to achieve the above purpose, one aspect of the utility model provides an LED automobile tail light, which is composed of a car light body and a car light housing clamped and fixed with the car light body. The car light body includes a LED light emitting unit, and a reflection part arranged on the base;

The reflector includes a first brake light reflector, a second brake light reflector and a position light reflector arranged sequentially in steps;

The LED light emitting unit includes a first lamp bead part, a second lamp bead part and a third lamp bead part, and the first lamp bead part is used to reflect the lower half of the first brake light reflector and the third lamp bead respectively. The lower half of the second brake light reflector provides a light source, and the second lamp bead is used to provide light to the upper half of the first brake light reflector and the second brake light reflector respectively. The upper half provides a light source, and the third lamp bead part is used to provide a light source for the position lamp reflector;

The car lamp housing includes a transparent inner mask and a milky white inner mask, the transparent inner mask is respectively arranged corresponding to the first brake light reflector and the second brake light reflector, and the milky white inner mask is connected to the second brake light reflector. The reflectors of the position lights are arranged correspondingly.

Preferably, the first lamp bead part includes at least one large-angle LED lamp bead and a plurality of small-angle LED lamp beads, and the second lamp bead part and the third lamp bead part respectively include a plurality of small-angle LED lamp beads beads.

Further, the first lamp bead part includes at least one large-angle LED lamp bead and a plurality of small-angle LED lamp beads, the second lamp bead part includes a plurality of small-angle LED lamp bead groups arranged at equal intervals, and the The small-angle LED lamp bead group includes two small-angle LED lamp beads arranged next to each other, and the third lamp bead part includes a plurality of small-angle LED lamp beads.

Preferably, the vehicle light body further includes a control circuit, the input terminal of the control circuit is connected to the CAN bus of the vehicle, and the output terminal of the control circuit is respectively connected to each of the LED lamp beads;

The control circuit is used to control the light-emitting state of each of the LED lamp beads according to the output signal of the CAN bus of the vehicle.

Further, the car light body also includes an LED light-shielding plate provided with a plurality of light-transmitting holes, the LED light-shielding plate is arranged on each of the LED lamp beads, and the light-transmitting holes are aligned with the LED light beads. One to one correspondence.

Preferably, the car light housing further includes a decorative frame for respectively fixing the transparent inner mask and the milky white inner mask, and the decorative frame is detachably connected to the car light body.

Preferably, the vehicle light housing further includes an outer cover detachably connected to the decorative frame, and the decorative frame is arranged between the outer cover and the vehicle light body.

Compared with the prior art, the LED automobile tail light provided by the utility model has the following beneficial effects:

In the LED automobile tail light provided by the utility model, the car light body and the car light housing form a sealed cavity, wherein the car light body includes the first stop light reflector, the second stop light reflector and the position lamp reflector, and the first lamp bead part, the second lamp bead part and the third lamp bead part. The two brake light reflectors are set correspondingly, and the milky white inner mask is set correspondingly to the position light reflector; specifically, the second light bead part is set between the first light bead part and the third light bead part, and the first light bead part It is located in the deepest part of the above-mentioned cavity, so that the first lamp bead part is respectively arranged corresponding to the lower half of the first brake light reflector and the lower half of the second brake light reflector, and the second lamp bead part is respectively connected to the lower half of the second brake light reflector. The upper half of the first brake light reflector is arranged correspondingly to the upper half of the second brake light reflector, and the third lamp bead part is arranged correspondingly to the position light reflector.

In this way, when the car is in the non-braking state, the first lamp bead part, the second lamp bead part and the third lamp bead part are all in the normal lighting state, and the outgoing light of the first lamp bead part and the second lamp bead part Corresponding to the reflection of the first brake light reflector and the second brake light reflector, the brake reflected light is formed, and then the brake reflected light is filtered and emitted by the transparent inner cover. Similarly, the emitted light of the third lamp bead passes the position The reflection of the light reflector forms the position reflection light, and then the position reflection light is filtered and emitted by the milky white inner mask to realize the uniform brightness of the position light and brake light in the non-braking state and ensure its aesthetics. And when the car is in the braking state, keep the lighting state of the third lamp bead part unchanged, increase the control current of the first lamp bead part and the second lamp bead part, so that the first lamp bead part and the second lamp bead part Since the first brake light reflector, the second brake light reflector and the position light reflector are arranged in steps, the light in the brake light area is prevented from penetrating into the position light area. The brightness of the brake light area of the tail light increases significantly, while the brightness of the position light area remains unchanged to form an obvious brightness difference. It can be seen that the LED automobile tail light provided by the utility model does not appear that the brightness of the position light area increases with the brightness of the brake light area. And the problem that changes accordingly, accords with light to match regulation requirement.

Another aspect of the present utility model provides an automobile, including the LED automobile tail light described in the above technical solution.

Compared with the prior art, the beneficial effect of the automobile provided by the utility model is the same as that of the LED automobile tail light provided by the above technical solution, and will not be repeated here.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation of the utility model . In the attached picture:

Fig. 1 is the structural schematic diagram of LED automobile tail light in the prior art;

Fig. 2 is a schematic diagram of the car light body structure of the LED automobile tail light in Embodiment 1;

Fig. 3 is a partially enlarged view of the LED light emitting unit in Fig. 2;

Fig. 4 is a cross-sectional view of the lamp body structure of the LED automobile tail lamp in Fig. 2;

Fig. 5 is the structural schematic diagram of the car light housing of LED car tail light in embodiment one;

Fig. 6 is an exploded view of the structure of the LED automobile tail light in the first embodiment.

Schematic diagram of the structure of the mid-infrared transceiver module.

Reference signs:

1-car light body, 11-first brake light reflector;

12-Second brake light reflector, 13-Position light reflector;

14-Small-angle LED lamp beads, 15-Large-angle LED lamp beads;

16-LED visor, 17-control circuit;

2-car light housing, 21-transparent inner mask;

22-milky white inner mask, 23-decorative frame;

24 - Outer cover.

Detailed ways

In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the technical solution in the utility model embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

Please refer to Figures 1-6. The LED automobile tail light provided in this embodiment is composed of a car light body 1 and a car light housing 2 that is clamped and fixed with the car light body 1. The car light body 1 includes a car light that is fixed on the base. LED light emitting unit, and a reflection part arranged on the base;

The reflecting part includes a first brake light reflector 11, a second brake light reflector 12 and a position light reflector 13 which are sequentially arranged in steps;

The LED light-emitting unit includes a first lamp bead part, a second lamp bead part and a third lamp bead part, and the first lamp bead part is used for reflecting to the lower half of the first brake lamp reflector 11 and the second brake lamp respectively. The lower half of the mirror 12 provides a light source, the second lamp bead part is used to provide light source to the upper half of the first brake light reflector 11 and the upper half of the second brake light reflector 12 respectively, and the third lamp bead The part is used to provide light source to the position light reflector 13;

The lamp housing 2 includes a transparent inner mask 21 and a milky white inner mask 22, the transparent inner mask 21 is respectively arranged corresponding to the first brake light reflector 11 and the second brake light reflector 12, and the milky white inner mask 22 and the position lamp reflector The mirror 13 is correspondingly arranged.

In the LED automobile tail light provided in this embodiment, the car light body 1 and the car light housing 2 form a sealed cavity, wherein the car light body 1 includes a first brake light reflector 11 arranged in steps, a second brake light The lamp reflector 12 and the position lamp reflector 13, as well as the first lamp bead part, the second lamp bead part and the third lamp bead part, the car lamp housing 2 includes a transparent inner face cover 21 and a milky white inner face cover 22, the transparent inner face cover 21 Corresponding to the first brake light reflector 11 and the second brake light reflector 12 respectively, the milky white inner cover 22 is corresponding to the position light reflector 13; specifically, the second lamp bead part is arranged on the first lamp bead part and the third lamp bead part, and the first lamp bead part is arranged in the deepest part of the above-mentioned cavity, so that the first lamp bead part is connected with the lower half of the first brake lamp reflector 11 and the second brake lamp respectively. The lower half of the reflector 12 is correspondingly arranged, the second lamp bead part is respectively arranged correspondingly to the upper half of the first brake lamp reflector 11 and the upper half of the second brake lamp reflector 12, and the third lamp bead part Corresponding to the position light reflector 13.

In this way, when the car is in the non-braking state, the first lamp bead part, the second lamp bead part and the third lamp bead part are all in the normal lighting state, and the emitted light of the first lamp bead part and the second lamp bead part correspond to Reflected by the first brake light reflector 11 and the second brake light reflector 12, the brake reflected light is formed, and then the brake reflected light is filtered and emitted by the transparent inner cover 21. Similarly, the emitted light from the third lamp bead Reflected by the position lamp reflector 13, the position reflected light is formed, and then the position reflected light is filtered and emitted by the milky white inner mask 22, so that the brightness of the position lamp and the brake lamp in the non-braking state can be evenly illuminated to ensure its aesthetics. And when the car is in the braking state, keep the lighting state of the third lamp bead part unchanged, increase the control current of the first lamp bead part and the second lamp bead part, so that the first lamp bead part and the second lamp bead part The brightness of the upper part is increased several times. Since the first brake light reflector 11, the second brake light reflector 12 and the position light reflector 13 are arranged in a stepped form, the light in the brake light area is prevented from penetrating into the position light area. At this time, the brightness of the brake light area of the automobile taillight increases significantly, while the brightness of the position light area remains unchanged to form an obvious brightness difference. It can be seen that the LED automobile tail light provided by this embodiment will not appear that the brightness of the position light area decreases with that of the brake light area. The problem of changing with the increase of brightness meets the requirements of light distribution regulations.

It can be understood that the number of reflectors in the reflection part can be increased or decreased by those skilled in the art according to product requirements, and this embodiment does not specifically limit the number of reflectors. In addition, for example, please refer to Figure 2, the number of LED lamp beads in the first lamp bead part is 5 (respectively numbered as LED1-LED5), and the number of LED lamp beads in the second lamp bead part is 3 (respectively numbered as LED6 ~LED8), the number of LED lamp beads in the third lamp bead part is 4 (respectively numbered as LED9-LED12).

Specifically, the implementation structures of the LED light emitting units in the above embodiments are various, and two structures are given below, and the following structures are only for illustration, not for limitation.

The first type is: the first lamp bead part includes at least one large-angle LED lamp bead 15 and a plurality of small-angle LED lamp beads 14, and the second lamp bead part and the third lamp bead part respectively include a plurality of small-angle LED lamp beads 14 .

The second type is: please refer to Figure 3, the first lamp bead part includes at least one large-angle LED lamp bead 15 and a plurality of small-angle LED lamp beads 14, and the second lamp bead part includes a plurality of small-angle LED lamps arranged at equal intervals The bead 14 group, the small-angle LED lamp bead 14 group includes two small-angle LED lamp beads 14 arranged next to each other, and the third lamp bead part includes a plurality of small-angle LED lamp beads 14 .

In the process of specific implementation, the first brake light reflector 11 and the second brake light reflector 12 form a "binocular shape", and the position light reflector 13 is in an inverted "L" shape. The large-angle LED lamp beads 15 have the characteristics of a small irradiation angle range, concentrated light beams, and high luminous brightness, and the large-angle LED lamp beads 15 have a wide range of irradiation angles. Specifically, one large-angle LED lamp bead 15 corresponds to the left side of the irradiation position light reflector 13, that is, the left side of the inverted "L", and a plurality of small-angle LED lamp beads 14 respectively illuminate the reflection of the first brake light. The mirror 11, the second brake light reflector 12, and the upper side of the position light reflector 13, that is, the upper side of the inverted "L", ensure that each part of the LED taillight emits light evenly and improves the luminous efficiency of the taillight. In addition, since the upper half of the first brake light reflector 11 and the upper half of the second brake light reflector 12 are far away from the light source, this embodiment uses two small-angle LED lamp beads 14 arranged next to each other to ensure The brightness of distant parts.

Exemplarily, the large-angle LED lamp bead 15 in the above embodiment is Osram LA E67F, and the small-angle LED lamp bead 14 is Osram LA E65F.

Further, please refer to Fig. 4, the car lamp body 1 in the above-mentioned embodiment also includes a control circuit 17, the input end of the control circuit 17 is connected with the CAN bus of the vehicle, and the output end of the control circuit 17 is respectively connected with each LED lamp bead; The circuit 17 is used to control the light-emitting state of each LED light bead according to the output signal of the CAN bus of the vehicle.

During specific implementation, when the car is in the non-braking state, the control circuit 17 controls the power supply current of each LED lamp bead correspondingly according to the control signal output by the CAN bus, so that the brightness of the brake light area and the position light area are even, and there will be no Visible light and dark spots appear. When the car is in the braking state, the control circuit 17 controls the power supply current of the first lamp bead part to be constant according to the control signal output by the CAN bus, and the power supply current of the second lamp bead part and the third lamp bead part is increased to control the lamp bead part. The brightness of the area is significantly increased, while the brightness of the position light area remains unchanged, making it meet the requirements of light distribution regulations. It should be noted that the function of the control circuit 17 can be realized by the existing control elements, but in practical application, in order to simplify the circuit, a PLC capable of realizing the control function can be selected for realization.

Preferably, please continue to refer to Fig. 4, the car lamp body 1 also includes an LED light-shielding plate 16 with a plurality of light-transmitting holes, and the LED light-shielding plate 16 is arranged on each LED lamp bead, and the light-transmitting hole is aligned with the LED light bead. One to one correspondence. Through the setting of the LED light-shielding plate 16, the direct light of the LED is blocked by the LED light-shielding plate 16, so as to avoid generation of bright spots.

Further, please refer to FIG. 6 , the lamp housing 2 further includes a decorative frame 23 for respectively fixing the transparent inner mask 21 and the milky white inner mask 22 , and the decorative frame 23 is detachably connected with the lamp body 1 . The vehicle light housing 2 also includes an outer cover 24 detachably connected with a decorative frame 23 , and the decorative frame 23 is arranged between the outer cover 24 and the vehicle light body 1 . During specific implementation, the decorative frame 23 is preferably made of an opaque material, which can avoid the divergence of light. In addition, the arrangement of the decorative frame 23 can facilitate the maintenance of the taillight and the replacement of various parts.

Embodiment two

The embodiment of the utility model provides an automobile, and the automobile includes the LED automobile tail light as in the first embodiment.

In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in an appropriate manner.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (8)

1. a kind of LED automobile tail lamp, is made of vehicle light body and the lamp body connected and fixed with the vehicle light body, its feature It is, the vehicle light body includes the LED luminescence units being fixed on base, and the reflecting part being located on base；

The first braking Light reflecting mirror, the second braking Light reflecting mirror and the position lamp that the reflecting part includes setting in ladder successively are anti- Penetrate mirror；

The LED luminescence units include the first lamp bead portion, the second lamp bead portion and the 3rd lamp bead portion, and the first lamp bead portion is used for Light source is provided to the lower half of the lower half of the described first braking Light reflecting mirror and the second braking Light reflecting mirror respectively, it is described Second lamp bead portion is used for the upper half of the first half to the described first braking Light reflecting mirror and the second braking Light reflecting mirror respectively Portion provides light source, and the 3rd lamp bead portion is used to provide light source to the position Light reflecting mirror；

The lamp body includes transparent interior mask and milky white interior mask, the transparent interior mask respectively with first Brake lamp Speculum and the second braking Light reflecting mirror are correspondingly arranged, and the milky white interior mask is corresponding with the position Light reflecting mirror to be set Put.

2. LED automobile tail lamp according to claim 1, it is characterised in that the first lamp bead portion includes at least one big Angle LED lamp bead and multiple low-angle LED lamp beads, the second lamp bead portion and the 3rd lamp bead portion include multiple small angles respectively Spend LED lamp bead.

3. LED automobile tail lamp according to claim 1, it is characterised in that the first lamp bead portion includes at least one big Angle LED lamp bead and multiple low-angle LED lamp beads, the second lamp bead portion include the low-angle LED light of multiple spaced sets Pearl group, the low-angle LED lamp bead group include two low-angle LED lamp beads being disposed proximate to, and the 3rd lamp bead portion includes more A low-angle LED lamp bead.

4. LED automobile tail lamp according to claim 1, it is characterised in that the vehicle light body further includes control circuit, institute The input terminal for stating control circuit is connected with automobile CAN-bus, and the output terminal of the control circuit connects with each LED lamp bead respectively Connect；

The control circuit is used for the output signal according to the automobile CAN-bus, controls the luminous shape of each LED lamp bead State.

5. LED automobile tail lamp according to claim 4, it is characterised in that the vehicle light body is further included equipped with multiple The LED shadow shields of unthreaded hole, the LED shadow shields are located in each LED lamp bead, and the loophole and the LED lamp bead one One corresponds to.

6. LED automobile tail lamp according to claim 1, it is characterised in that the lamp body is further included for solid respectively The escutcheon of the fixed transparent interior mask and the milky white interior mask, the escutcheon are detachably connected with the vehicle light body.

7. LED automobile tail lamp according to claim 6, it is characterised in that the lamp body further includes and the decoration The outer mask that frame is detachably connected, the escutcheon are located between the outer mask and the vehicle light body.

8. a kind of automobile, it is characterised in that including any one of the claim 1-7 LED automobile tail lamps.