CN216113826U - Tail lamp and electric vehicle with same - Google Patents

Abstract

The utility model discloses a tail lamp and an electric vehicle with the same, wherein the tail lamp comprises: a lamp housing; the light-emitting piece is arranged on the lamp shell; the lampshade is arranged on the lamp shell and covers the light-emitting piece, the lampshade is provided with a main light-emitting part which is right opposite to the light-emitting piece, the side wall of the lampshade is provided with a side light-emitting part, and a reflection groove is formed on the surface of the main light-emitting part, which is back to the light-emitting piece; wherein a part of the light emitted by the light emitting element is emitted from the main light emitting portion to form a main light, another part of the light emitted by the light emitting element is reflected by the reflection groove to the side light emitting portion to form a side light, and the side light is deflected by the side light emitting portion in a direction away from the main light. The vehicle tail lamp has the advantages of large illumination range, high safety and the like.

Description

Tail lamp and electric vehicle with same

Technical Field

The utility model relates to the technical field of vehicles, in particular to a tail lamp and an electric vehicle with the same.

Background

Electric motor car among the correlation technique, for example electric bicycle etc. stride vehicle and electric scooter by bus, install the tail lamp usually, be used for suggestion rear car and pedestrian at night, avoid bumping, but the tail lamp structure sets up unreasonablely, is difficult to the lighting capacity of light in the full play tail lamp, leads to illumination zone little, and driving safety is low.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a tail lamp, which has advantages of a wide illumination range and high safety.

The utility model also provides an electric vehicle with the tail lamp.

In order to achieve the above object, according to a first aspect of the present invention, there is provided a tail lamp including: a lamp housing; the light-emitting piece is arranged on the lamp shell; the lampshade is arranged on the lamp shell and covers the light-emitting piece, the lampshade is provided with a main light-emitting part which is right opposite to the light-emitting piece, the side wall of the lampshade is provided with a side light-emitting part, and a reflection groove is formed on the surface of the main light-emitting part, which is back to the light-emitting piece; wherein a part of the light emitted by the light emitting element is emitted from the main light emitting portion to form a main light, another part of the light emitted by the light emitting element is reflected by the reflection groove to the side light emitting portion to form a side light, and the side light is deflected by the side light emitting portion in a direction away from the main light.

The tail lamp provided by the embodiment of the utility model has the advantages of large illumination range, high safety and the like.

According to some embodiments of the utility model, the side light-out portions are provided on two side walls opposite in a width direction of the globe, and the reflection groove is located between the side light-out portions of the two side walls of the globe and at a center of the globe in the width direction of the globe.

According to some embodiments of the utility model, a surface of the main light emitting portion facing the light emitting member is configured with at least one convex light collecting portion, an end of the light collecting portion facing the light emitting member is configured in an arc shape, a cross-sectional area of the light collecting portion gradually decreases in a direction toward the light emitting member, and the portion of the light emitted by the light emitting member passes through the at least one light collecting portion and then is emitted from the main light emitting portion to form the main light.

According to some embodiments of the utility model, the light-condensing portion includes a first light-condensing portion and second light-condensing portions partially disposed on both sides of the first light-condensing portion, each of the light-condensing portions has a height to width ratio of 1-2, and the height of the second light-condensing portion is smaller than the height of the first light-condensing portion.

According to some embodiments of the present invention, a width direction of the reflection groove is parallel to a width direction of the lamp cover, and the width of the reflection groove is greater than 0mm and less than 20 m; the length direction of the reflection groove is parallel to the length direction of the lampshade, and the length of the reflection groove is larger than 0mm and smaller than 100 mm.

According to some embodiments of the present invention, the reflective groove has a first inner sidewall and a second inner sidewall opposite to each other, the first inner sidewall and the second inner sidewall are connected at a groove bottom of the reflective groove and respectively face the corresponding side light-emitting portion, and a distance between the first inner sidewall and the second inner sidewall gradually increases in a direction away from the light-emitting member.

According to some embodiments of the utility model, the side light exit portion gradually extends obliquely toward the reflection groove in a direction toward the main light exit portion.

According to some embodiments of the utility model, a surface of the main light emergent portion facing the light emitting member is provided with a plurality of convex reflecting portions configured to reflect light incident from outside the main light emergent portion into the main light emergent portion.

According to some embodiments of the utility model, the glowing member comprises: the surface of the lamp shell facing the lampshade is provided with a mounting groove, the circuit board is mounted in the mounting groove, the lamp shell is provided with a through hole, and a lead connected with the circuit board extends out of the lamp shell through the through hole; the lamp bead is installed on one side, facing the lampshade, of the circuit board.

According to a second aspect of the present invention, there is provided an electric vehicle, comprising: a taillight according to an embodiment of the first aspect of the utility model.

According to the embodiment of the second aspect of the utility model, the electric vehicle is provided, and by utilizing the tail lamp according to the embodiment of the first aspect of the utility model, the advantages of large illumination range, high safety and the like are achieved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a structure of a tail lamp according to an embodiment of the present invention.

Fig. 2 is a schematic view of another perspective view of a tail lamp according to an embodiment of the present invention.

Fig. 3 is a schematic view of a structure of a tail lamp according to another aspect of the present invention.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is an exploded view of a taillight according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a cover of a tail lamp according to an embodiment of the present invention.

Reference numerals:

a tail lamp 1,

A lamp housing 100, a through hole 110, a mounting groove 120, a hook 121, a threaded hole 130,

A light emitting member 200, a circuit board 210, a positioning hole 211, a lamp bead 220, a wire 230,

The light source device comprises a lampshade 300, a main light-emitting part 310, a reflection groove 311, a first inner side wall 312, a second inner side wall 313, a side light-emitting part 320, a light-condensing part 330, a first light-condensing part 331, a second light-condensing part 332, a reflection part 340,

A threaded fastener 400.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "a plurality" means two or more.

A tail lamp 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the tail lamp 1 includes a lamp housing 100, a luminous member 200, and a lamp cover 300.

The light emitting device 200 is mounted on the lamp housing 100, the globe 300 is mounted on the lamp housing 100 and covers the light emitting device 200, the globe 300 has a main light emitting portion 310 facing the light emitting device 200, a side light emitting portion 320 is provided on a side wall of the globe 300, and a reflection groove 311 is formed on a surface of the main light emitting portion 310 facing away from the light emitting device 200. A part of the light emitted from the light emitting element 200 is emitted from the main light emitting portion 310 to form a main light, another part of the light emitted from the light emitting element 200 is reflected by the reflection groove 311 to the side light emitting portion 320 to form a side light, and the side light is deflected by the side light emitting portion 320 in a direction away from the main light. In fig. 4, the direction indicated by the dotted arrow is the propagation path of the side light.

For example, the tail lamp 1 is suitable for bicycles (non-electric bicycles and electric bicycles) and scooters (non-electric scooters and electric scooters). The lamp housing 100 may be mounted to a frame of an electric vehicle. The lamp cover 300 has light transmittance, and the sidewall of the lamp cover 300 and the lamp housing 100 may be connected by ultrasonic welding or bonding.

It can be appreciated that the refractive index of the lamp cover 300 is different from that of air. The extending direction of the side light emergent portion 320 is not parallel to the plane of the main light emergent portion 310.

According to the tail lamp 1 of the embodiment of the utility model, the luminous element 200 is mounted on the lamp housing 100, the lamp cover 300 is mounted on the lamp housing 100 and covers the luminous element 200, so that the luminous element 200 can be fixed and the luminous element 200 can be prevented from being damaged. The lampshade 300 has a main light-emitting portion 310 facing the light-emitting member 200, and a portion of the light emitted from the light-emitting member 200 is emitted from the main light-emitting portion 310 to form a main light, for example, the light beam emitted from the light-emitting member 200 is substantially conical, and the maximum included angle between the light of the light-emitting member 200 and the axial centerline thereof may be 50 ° to 60 °, and the portion of the light emitted from the light-emitting member 200 is refracted when entering the air from the main light-emitting portion 310, and since the included angle between the portion of the light emitted from the light-emitting member 200 and the main light-emitting portion 310 is not completely the same, the included angle between the light refracted by the main light-emitting portion 310 and the central axis of the main light-emitting portion 310 may be 0 ° to 90 °.

In addition, the side wall of the lampshade 300 is provided with the side light-emitting portion 320, another part of the light emitted by the light-emitting member 200 is reflected by the reflection groove 311 to the side light-emitting portion 320 to form side light, and the side light is deflected by the side light-emitting portion 320 to a direction far away from the main light, wherein the another part of the light emitted by the light-emitting member 200 can be totally reflected at the reflection groove 311, so that the loss of the another part of the light emitted by the light-emitting member 200 in the process of propagating to the side light-emitting portion 320 is ensured to be as small as possible, the brightness of the side light is higher, and thus, vehicles and pedestrians behind the electric vehicle can more clearly see the side light, collision is avoided, and the driving safety is improved.

In addition, the propagation path of the other part of the light emitted by the light emitting member 200 after being reflected by the reflection groove 311 may be parallel to the plane where the main light emitting portion 310 is located, and the included angle between the side light and the plane where the main light emitting portion 310 is located may be 90 ° to 110 °, so that the range that the tail lamp 1 can irradiate is further enlarged to prompt a wider space behind the electric vehicle, thereby preventing the electric vehicle from being collided, and further improving the driving safety.

Thus, the tail lamp 1 according to the embodiment of the utility model has the advantages of large illumination range, high safety and the like.

According to some embodiments of the present invention, as shown in fig. 4, the side light-emitting portions 320 are disposed on two opposite sidewalls of the lamp cover 300 in the width direction.

For example, the width direction of the tail lamp 1 may be the same as the left-right direction of the electric vehicle, and the length direction of the tail lamp 1 may be the same as the up-down direction of the electric vehicle. It can be understood that the tail lamp 1 needs to satisfy a condition that the irradiation angle in the left-right direction of the electric vehicle is larger than the irradiation angle in the up-down direction of the electric vehicle, and therefore, by providing the side light-emitting portion 320 in the width direction of the lamp cover 300, the tail lamp 1 can realize the irradiation of a large angle in the left-right direction of the electric vehicle (for example, the irradiation in the range of 220 °).

Also, the reflective groove 311 is located between the side light-emitting portions 320 of both side walls of the lamp housing 300 and at the center of the lamp housing 300 in the width direction of the lamp housing 300. Therefore, the lengths of the light paths from the side light rays formed by reflection of the reflection grooves 311 to the side light-emitting parts 320 on the two side walls of the lampshade 300 are the same, that is, the positions and angles of the side light rays incident to the side light-emitting parts 320 on the two side walls of the lampshade 300 are approximately the same, so that the illumination angle formed by the tail lamp 1 on the left side of the electric vehicle is close to or the same as the illumination angle formed by the tail lamp on the right side of the electric vehicle, and the safety of the electric vehicle can be better guaranteed.

According to some embodiments of the present invention, as shown in fig. 4, a surface of the main light emitting portion 310 facing the light emitting member 200 is configured with at least one light collecting portion 330 protruding, an end of the light collecting portion 330 facing the light emitting member 200 is configured in an arc shape, a cross-sectional area of the light collecting portion 330 gradually decreases toward the light emitting member 200, and a portion of the light emitted from the light emitting member 200 passes through the at least one light collecting portion 330 and then is emitted from the main light emitting portion 310 to form a main light.

It can be understood that the light-condensing portion 330 may form a structure similar to a convex lens, at least one light-condensing portion 330 corresponds to the position of the reflective groove 311, when a part of the light emitted from the light-emitting member 200 passes through the light-condensing portion 330, the part of the light is refracted, and the light-condensing portion 330 generates a collimation effect and a convergence effect on the light, so as to adjust an angle at which the light irradiates the reflective groove 311, so that the light generates a total reflection effect at the reflective groove 311, thereby reducing a loss in a light transmission process and improving efficiency of transmitting the light to the side light-emitting portion 320.

Furthermore, the light-condensing portion 330 includes a first light-condensing portion 331 and a second light-condensing portion 332 respectively disposed at both sides of the first light-condensing portion 331, a ratio of a height to a width of each light-condensing portion 330 is 1-2, and a height of the second light-condensing portion 332 is smaller than a height of the first light-condensing portion 331.

The first light-gathering portion 331 and the two second light-gathering portions 332 may be arranged along a width direction of the main light-emitting portion 310, the first light-gathering portion 331 may correspond to a position of the reflection groove 311, and the first light-gathering portion 331 is configured to gather and collimate a portion of the light emitted by the light-emitting member 200, so that the portion of the light is totally reflected to the side light-emitting portion 320 at the reflection groove 311.

The second light condensation part 332 is arranged to condense and collimate the other part of the light emitted by the light emitting element 200, so that the light emitted from the center of the main light emitting part 310 in the width direction is more concentrated and the illumination intensity is higher, thus the electric vehicle can be observed more obviously by vehicles and pedestrians driving from the right back and near the right back, the collision probability of the electric vehicle is reduced, and the driving safety is improved.

According to some embodiments of the present invention, as shown in fig. 2, a width direction of the reflection groove 311 is parallel to a width direction of the lamp housing 300, a width W of the reflection groove 311 is greater than 0mm and less than 20m, a length direction of the reflection groove 311 is parallel to a length direction of the lamp housing 300, and a length L of the reflection groove 311 is greater than 0mm and less than 100 mm.

Therefore, while the existence of the reflection groove 311 is ensured to reflect the other part of the light emitted by the light emitting element 200, the oversize of the reflection groove 311 is avoided, so that the structural strength of the main light emitting portion 310 can be ensured, and the surface of the main light emitting portion 310, which faces away from the lamp housing 100, is smoother and less prone to dust accumulation.

According to some embodiments of the present invention, as shown in fig. 4, the reflective groove 311 has a first inner sidewall 312 and a second inner sidewall 313 that are oppositely disposed, the first inner sidewall 312 and the second inner sidewall 313 are connected at a groove bottom of the reflective groove 311 and respectively face the corresponding side light emitting portion 320, and a distance between the first inner sidewall 312 and the second inner sidewall 313 gradually increases in a direction away from the light emitting member 200.

Alternatively, the first and second inner sidewalls 312 and 313 may be arranged in the width direction of the main light exiting part 310.

It is understood that an angle α between the extending direction of the first inner sidewall 312 and the extending direction of the second inner sidewall 313 and the central axis of the main light outlet portion 310 is greater than 0 ° and less than 90 °. The inclination angles of the first inner sidewall 312 and the second inner sidewall 313 with respect to the central axis of the main light-emitting portion 310 are adjusted according to parameters such as the distance between the light-emitting member 200 and the surface of the main light-emitting portion 310 facing the lamp housing 100 and the refractive index of the main light-emitting portion 310, so that the total reflection can occur when the part of the light emitted from the light-emitting member 200 is irradiated on the reflection groove 311.

According to some embodiments of the present invention, as shown in fig. 4, the side light exit portion 320 gradually extends obliquely toward the reflection groove 311 in a direction toward the main light exit portion 310.

It can be understood that an angle β between the extending direction of the side light exit portion 320 and the central axis of the main light exit portion 310 is greater than 0 ° and less than 90 °. The inclination angle of the side light-emitting portion 320 with respect to the central axis of the main light-emitting portion 310 is adjusted according to the propagation direction of the light refracted by the reflective concave 311 of the light-emitting member 200, the refractive index of the main light-emitting portion 310, and other parameters, so that the light satisfying the irradiation range required by the tail lamp 1 can be generated when the part of the light emitted by the light-emitting member 200 is irradiated to the side light-emitting portion 320.

According to some embodiments of the present invention, as shown in fig. 4 and 6, a surface of the main light exiting portion 310 facing the light emitting member 200 is provided with a plurality of convex reflection portions 340, and the plurality of reflection portions 340 are configured to reflect light rays emitted from the outside of the main light exiting portion 310 into the main light exiting portion 310.

Here, each of the reflection parts 340 may be formed of three surfaces perpendicular to each other. Each of the reflective portions 340 may be plated or bonded with a semi-permeable film, so that the light emitted from the light emitting element 200 can be emitted from the reflective portion 340, and the light emitted from the outside to the reflective portion 340 can be reflected back to the outside, thereby further improving the effect of the reflective portion 340 in reflecting the light from the outside.

So, tail lamp 1 can enough independently give out light and can reflect the light of other objects, so the function that tail lamp 1 is integrated to have tail lamp and reflector has reduced the part quantity of tail lamp 1 effectively, reduces the dismouting degree of difficulty.

According to some embodiments of the present invention, a plurality of reflection parts 340 protruding from a surface of the main light extraction part 310 facing the light emitting member 200 are disposed around the at least one light concentration part 330.

According to some embodiments of the present invention, as shown in fig. 3-5, the lighting member 200 includes a circuit board 210 and a lamp bead 220.

The surface of the lamp housing 100 facing the lampshade 300 is provided with a mounting groove 120, the circuit board 210 is mounted in the mounting groove 120, the lamp housing 100 is provided with a through hole 110, a wire 230 connected with the circuit board 210 extends out of the lamp housing 100 through the through hole 110, and the lamp bead 220 is mounted on one side of the circuit board 210 facing the lampshade 300.

Optionally, two mounting grooves 120 may be provided, two mounting grooves 120 respectively fix two opposite sides of the circuit board 210, a side wall of the mounting groove 120 has a hook 121, the hook 121 is hooked on a surface of the circuit board 210 facing the lamp shade 300, the two hooks 121 may be hooked on the same end of the circuit board 210, and the other end of the circuit board 210 may be fixedly mounted to the lamp housing 100 by using the threaded fastener 400. The circuit board 210 has a positioning hole 211 for the threaded fastener 400 to pass through, the lamp housing 100 has a threaded hole 130 for matching with the threaded fastener 400, and the threaded hole 130 and the through hole 110 are located between the two mounting grooves 120.

So, not only realized circuit board 210's electric conduction, so that the controllable luminescence of lamp pearl 220, and the light that lamp pearl 220 sent mainly propagates towards the direction of lamp shade 300, be convenient for rear vehicle and pedestrian observe, and fixed strength is high between circuit board 210 and lamp body 100 in addition, even jolt appears in the vehicle goes, circuit board 210 can not take place to rock yet, has greatly reduced circuit board 210's damage probability, has improved the life of rear of a vehicle lamp 1.

An electric vehicle according to an embodiment of the present invention, which includes the tail lamp 1 according to the above-described embodiment of the present invention, is described below with reference to the accompanying drawings.

According to the embodiment of the utility model, the electric vehicle has the advantages of large illumination range, high safety and the like by utilizing the tail lamp 1 according to the embodiment of the utility model.

Other constructions and operations of the tail lamp 1 and the electric vehicle having the same according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A taillight, comprising:

a lamp housing;

the light-emitting piece is arranged on the lamp shell;

the lampshade is arranged on the lamp shell and covers the light-emitting piece, the lampshade is provided with a main light-emitting part which is right opposite to the light-emitting piece, the side wall of the lampshade is provided with a side light-emitting part, and a reflection groove is formed on the surface of the main light-emitting part, which is back to the light-emitting piece;

wherein a part of the light emitted by the light emitting element is emitted from the main light emitting portion to form a main light, another part of the light emitted by the light emitting element is reflected by the reflection groove to the side light emitting portion to form a side light, and the side light is deflected by the side light emitting portion in a direction away from the main light.

2. The tail lamp according to claim 1, wherein the side light-out portion is provided on two side walls opposed in a width direction of the cover, and the reflection groove is located between the side light-out portions of the two side walls of the cover and at a center of the cover in the width direction of the cover.

3. The tail lamp according to claim 1, wherein a surface of the main light-emitting portion facing the light-emitting member is configured with at least one light-condensing portion that is convex, an end of the light-condensing portion facing the light-emitting member is configured in an arc shape, a cross-sectional area of the light-condensing portion is gradually reduced in a direction toward the light-emitting member, and the main light is formed by emitting the part of the light emitted from the light-emitting member from the main light-emitting portion after passing through the at least one light-condensing portion.

4. The vehicle taillight of claim 3, wherein the light-condensing portion includes a first light-condensing portion and a second light-condensing portion partially disposed on both sides of the first light-condensing portion, each of the light-condensing portions has a height to width ratio of 1 to 2, and the height of the second light-condensing portion is smaller than the height of the first light-condensing portion.

5. The tail lamp of claim 1, wherein the width direction of the reflection groove is parallel to the width direction of the lamp cover, and the width of the reflection groove is greater than 0mm and less than 20 m;

the length direction of the reflection groove is parallel to the length direction of the lampshade, and the length of the reflection groove is larger than 0mm and smaller than 100 mm.

6. The tail lamp of claim 1, wherein the reflective groove has a first inner sidewall and a second inner sidewall opposite to each other, the first inner sidewall and the second inner sidewall are connected to each other at a groove bottom of the reflective groove and face the corresponding side light-emitting portion, respectively, and a distance between the first inner sidewall and the second inner sidewall gradually increases in a direction away from the light-emitting member.

7. The tail lamp according to claim 1, wherein the side light-out portion is inclined to the reflection groove gradually in a direction toward the main light-out portion.

8. The tail lamp of claim 1, wherein a surface of the main light exiting portion facing the light emitting member is provided with a plurality of reflecting portions protruding therefrom, and the plurality of reflecting portions are configured to reflect light entering the main light exiting portion from outside the main light exiting portion.

9. The taillight of any of claims 1-7, wherein the glowing member comprises:

the surface of the lamp shell facing the lampshade is provided with a mounting groove, the circuit board is mounted in the mounting groove, the lamp shell is provided with a through hole, and a lead connected with the circuit board extends out of the lamp shell through the through hole;

the lamp bead is installed on one side, facing the lampshade, of the circuit board.

10. An electric vehicle, comprising: a taillight according to any of claims 1-9.

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