CN210771629U

CN210771629U - Vehicle-mounted indoor illuminating lamp structure

Info

Publication number: CN210771629U
Application number: CN201921682586.9U
Authority: CN
Inventors: 南基学
Original assignee: Yejia Optical Technology Guangdong Corp
Current assignee: Yejia Optical Technology Guangdong Corp
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-16
Anticipated expiration: 2029-10-08

Abstract

The utility model provides a vehicle-mounted indoor illuminating lamp structure, which comprises a substrate, wherein a LED lamp bead and a reflective cup are arranged below the substrate, a reflective cup cover is arranged outside the LED lamp bead, one side of the reflective cup, which is far away from the substrate, is provided with a divergent lens, the optical axis of the divergent lens is collinear with the optical axis of the LED lamp bead, the center of the divergent lens is provided with a semitransparent shading layer, the semitransparent shading layer is positioned on one side of the divergent lens, which is close to a light-passing plate, and the projection of the LED lamp bead at the center of the; one side of the divergent lens, which is far away from the light reflecting cup, is provided with a light transmitting plate, one side of the light transmitting plate, which is close to the light reflecting cup, is provided with a diffusion layer, and a night light ring is wound around the diffusion layer. The utility model discloses can effectively enlarge the grading scope, the center of light-emitting department transparent plate is provided with the translucent light shield layer that can shielding part light, can effectively avoid grading center luminance too big, in addition, can provide luminous instruction for the user when light is not enough.

Description

Vehicle-mounted indoor illuminating lamp structure

Technical Field

The utility model relates to an on-vehicle light specifically discloses an on-vehicle indoor lighting lamp structure.

Background

The automobile is often provided with an illuminating lamp structure, which is used for providing indoor illumination effect for drivers or passengers under the condition of insufficient light, and most illuminating lamps realize the on-off illuminating lamp by pressing the lamp body.

The light structure generally all sets up the top in the car, from last to realizing the illumination down, among the prior art, most illumination structure all is the shot-light structure, including LED lamp pearl and reflection of light cup structure, the grading scope that provides is not big enough, lead to car inner edge position to have the blind area, and the luminance at grading center is too high, the driver, when the passenger turns off the lamp, the direct-view light causes harmful effects such as dazzling easily, in addition, under the not enough condition of light, the driver, the passenger seeks the light and realizes that the degree of difficulty of opening light is big.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a vehicle-mounted indoor illuminating lamp structure aiming at the problems in the prior art, the vehicle-mounted indoor illuminating lamp structure has a uniform luminous effect, can avoid overlarge brightness of a light distribution center, and has a noctilucence function.

In order to solve the prior art problem, the utility model discloses a vehicle-mounted indoor illuminating lamp structure, which comprises a substrate, wherein a LED lamp bead and a reflecting cup are arranged below the substrate, the reflecting cup is arranged outside the LED lamp bead, one side of the reflecting cup, which is far away from the substrate, is provided with a divergent lens, the optical axis of the divergent lens is collinear with the optical axis of the LED lamp bead, the center of the divergent lens is provided with a semitransparent shading layer, the semitransparent shading layer is positioned on one side of the divergent lens, which is close to a light-passing plate, and the projection of the LED lamp bead at the; one side of the divergent lens, which is far away from the light reflecting cup, is provided with a light transmitting plate, one side of the light transmitting plate, which is close to the light reflecting cup, is provided with a diffusion layer, and a night light ring is wound around the diffusion layer.

Further, the diverging lens is a plano-concave lens, and the plane side of the diverging lens is arranged close to the light-transmitting plate.

Further, the semitransparent light shielding layer is a semitransparent ink layer.

Further, the semitransparent shading layer comprises a semitransparent central block, and at least one semitransparent outer ring is arranged outside the semitransparent central block at intervals.

Furthermore, the shape of the semitransparent center block is the same as that of the LED lamp beads, and the shape of the semitransparent outer ring is the same as that of the semitransparent center block.

Further, the diffusion layer is a frosted layer.

The utility model has the advantages that: the utility model discloses an on-vehicle indoor lighting lamp structure is provided with divergent lens and diffusion layer structure in light-emitting department, can effectively enlarge the grading scope, can ensure even luminous effect simultaneously, and the center department of light-emitting department transparent plate is provided with the translucent light shield layer that can shielding part light, can effectively avoid grading center luminance too big, and in addition, the inboard edge of transparent plate is equipped with cyclic annular night light structure, can provide luminous instruction for the user when light is not enough.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic bottom view of the middle divergent lens of the present invention.

Fig. 3 is a schematic view of the bottom view structure of the light-transmitting plate of the present invention.

The reference signs are: the LED lamp comprises a substrate 10, LED lamp beads 11, a reflective cup 12, a divergent lens 20, a semi-transparent shading layer 21, a semi-transparent central block 211, a semi-transparent outer ring 212, a light-transmitting plate 30, a diffusion layer 31 and a luminous ring 32.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 to 3.

The embodiment of the utility model discloses a vehicle-mounted indoor illuminating lamp structure, which comprises a substrate 10, an LED lamp bead 11 and a reflective cup 12 are arranged under the substrate 10, the reflective cup 12 is covered outside the LED lamp bead 11, a divergent lens 20 is arranged at one side of the reflective cup 12 far away from the substrate 10, the optical axis of the divergent lens 20 is collinear with the optical axis of the LED lamp bead 11, which can ensure that the divergent lens 20 realizes excellent divergent effect to the light emitted by the LED lamp bead 11, a translucent light shielding layer 21 is arranged at the center of the divergent lens 20, preferably, the light transmittance of the translucent light shielding layer 21 is 40-70%, the translucent light shielding layer 21 is arranged at one side of the divergent lens 20 close to a light-transmitting plate 30, the projection of the LED lamp bead 11 at the center of, namely, the shape and size of the LED lamp beads 11 are the same as those of the translucent light shielding layer 21, and the optical axis of the LED lamp beads 11 passes through the center of the translucent light shielding layer 21; the side of the divergent lens 20 away from the light reflecting cup 12 is provided with a light transmitting plate 30, preferably, the light transmitting plate 30 can be a glass plate or a PMMA plate, PMMA is fully-known as polymethyl methacrylate, also known as acrylic or organic glass, and has the advantages of high transparency, easy machining and the like, one side of the light transmitting plate 30 close to the light reflecting cup 12 is provided with a diffusion layer 31, the diffusion layer 31 can cause great interference to light, so as to form a light diffusion effect, a luminous ring 32 is wound around the diffusion layer 31, the luminous ring 32 passes through a luminous adhesive ring, also known as UV luminous adhesive, and can be instantly cured into a film under the irradiation of ultraviolet rays, and the cured film can continuously emit light in the dark for 7-10 hours after being irradiated by natural light, lamplight or stray light for 10-20 minutes.

The light emitted by the LED lamp beads 11 is collected and converged by the reflection cup 12, so that most of light rays are ensured to irradiate the divergence lens 20, the divergence lens 20 diverges the light rays, the concentration degree of light energy is reduced, the light uniformizing effect can be effectively improved, and the light rays diverged by the divergence lens 20 are emitted out through the diffusion layer 31, so that the light distribution effect with high light uniformizing degree can be formed; the included angle between the light at the center of the LED lamp bead 11 and the optical axis is small, the light can hardly be diffused through the center of the diffusing lens 20, so that the brightness of the light distribution center is too high, the semitransparent light shielding layer 21 can effectively block part of light emitted through the center of the diffusing lens 20, the brightness of the light distribution center can be properly reduced, and the brightness uniformity of all light emitted from the light-transmitting plate 30 through the semitransparent light shielding layer 21 is ensured; under the environment of dark, night light ring 32 forms luminous effect, can open the light for driver, passenger and provide a luminous sign, makes things convenient for driver, passenger to use, and night light ring 32 is in the edge of light-passing board 30, and the light that sends LED lamp pearl 11 hardly has the influence.

The utility model discloses be provided with divergent lens 20 and diffusion layer 31 structure in light-emitting department, can effectively enlarge the grading scope, can ensure even luminous effect simultaneously, the center of light-emitting department transparent plate 30 is provided with the translucent light shield layer 21 that can shielding part light, can effectively avoid grading center luminance too big, and in addition, the inboard edge of transparent plate 30 is equipped with cyclic annular night light structure, can provide luminous instruction for the user when light is not enough.

In this embodiment, the divergent lens 20 is a plano-concave lens, the plane side of the divergent lens 20 is close to the transparent plate 30, that is, the concave surface of the divergent lens 20 is close to the reflective cup 12, and the translucent light shielding layer 21 is located on the plane side of the divergent lens 20, so that the translucent light shielding layer 21 can be effectively and conveniently arranged.

Based on the above embodiment, the translucent light-shielding layer 21 is a translucent ink layer, and the translucent ink layer is obtained by printing and curing the translucent ink, and has a translucent effect.

In this embodiment, the translucent light shielding layer 21 includes a translucent center block 211, at least one translucent outer ring 212 is disposed outside the translucent center block 211 at intervals, and the translucent light shielding layer 21 forms an interval light shielding structure, which can effectively avoid the over-high brightness of the light distribution center, and can avoid the over-dark brightness of the light shielding center.

Based on the above embodiment, the shape of the translucent central block 211 is the same as that of the LED lamp bead 11, the area of the translucent central block 211 is smaller than that of the light emitting surface of the LED lamp bead 11, the edge shape of the translucent outer ring 212 is the same as that of the translucent central block 211, and the translucent outer ring 212 surrounds the outside at intervals.

In the present embodiment, the diffusion layer 31 is a frosted layer, and the frosted layer has good diffusion performance.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A vehicle-mounted indoor illuminating lamp structure comprises a substrate (10), an LED lamp bead (11) and a reflecting cup (12) are arranged below the substrate (10), the reflecting cup (12) is covered outside the LED lamp bead (11), characterized in that a divergent lens (20) is arranged on one side of the reflection cup (12) far away from the substrate (10), the optical axis of the divergent lens (20) is collinear with the optical axis of the LED lamp bead (11), a semi-transparent shading layer (21) is arranged at the center of the divergent lens (20), a light-transmitting plate (30) is arranged on one side of the divergent lens (20) far away from the reflecting cup (12), the semi-transparent shading layer (21) is positioned on one side of the divergent lens (20) close to the light-transmitting plate (30), the projection of the LED lamp bead (11) at the center of the divergent lens (20) is superposed with the semitransparent shading layer (21); one side of the light-transmitting plate (30) close to the light-reflecting cup (12) is provided with a diffusion layer (31), and a night light ring (32) is wound around the diffusion layer (31).

2. A vehicle indoor lighting lamp structure according to claim 1, wherein the diverging lens (20) is a plano-concave lens, and the plane side of the diverging lens (20) is disposed near the light-transmitting plate (30).

3. The vehicular indoor illuminating lamp structure according to claim 2, wherein the translucent light shielding layer (21) is a translucent ink layer.

4. A vehicular indoor illuminating lamp structure according to any one of claims 1 to 3, wherein the translucent light shielding layer (21) comprises a translucent central block (211), and at least one translucent outer ring (212) is provided outside the translucent central block (211) at an interval.

5. A vehicle-mounted indoor illuminating lamp structure according to claim 4, wherein the shape of the semi-transparent central block (211) is the same as that of the LED lamp bead (11), and the shape of the semi-transparent outer ring (212) is the same as that of the semi-transparent central block (211).

6. A vehicle-mounted indoor illuminating lamp structure according to claim 1, wherein the diffusing layer (31) is a frosted layer.