阅读说明：本技术 一种汽车照明装置 (Automobile lighting device ) 是由 余侠 单建峰 潘科益 于 2020-05-20 设计创作，主要内容包括：本发明提供了一种汽车照明装置,涉及照明装置领域,包括后盖、基板、前盖和导光照明镜片,所述前盖和所述后盖相固定,所述汽车照明装置形成有容置腔,所述基板置于所述容置腔内；所述导光照明镜片一体设置有主体部和至少两个导光柱,所述导光柱部分伸入所述容置腔内,所述基板上设置有与所述导光柱的端部相对应的光源；所述光源发出的光线经所述导光柱导入所述主体部,并通过所述主体部的部分外壁部向外发散。本发明提供的一种汽车照明装置,相对于现有技术,汽车照明装置能够降低结构成本。(The invention provides an automobile lighting device, which relates to the field of lighting devices and comprises a rear cover, a substrate, a front cover and a light guide lighting lens, wherein the front cover and the rear cover are fixed, the automobile lighting device is provided with a containing cavity, and the substrate is arranged in the containing cavity; the light guide illumination lens is integrally provided with a main body part and at least two light guide columns, the light guide columns partially extend into the accommodating cavity, and the base plate is provided with a light source corresponding to the end parts of the light guide columns; the light emitted by the light source is guided into the main body part through the light guide column and is outwards diffused through part of the outer wall part of the main body part. Compared with the prior art, the automobile lighting device provided by the invention can reduce the structural cost.)

1. An automotive lighting device, characterized in that: the automobile lighting device comprises a rear cover (1), a substrate (2), a front cover (3) and a light guide lighting lens (4), wherein the front cover (3) is fixed with the rear cover (1), an accommodating cavity is formed in the automobile lighting device and is positioned between the front cover (3) and the rear cover (1), and the substrate (2) is arranged in the accommodating cavity; the light guide illumination lens (4) is integrally provided with a main body part and at least two light guide columns (401), the light guide columns (401) partially extend into the accommodating cavity, and the substrate (2) is provided with a light source (201) corresponding to the end parts of the light guide columns (401); the light emitted by the light source (201) is guided into the main body part through the light guide column (401) and is outwards diffused through part of the outer wall part of the main body part.

2. The automotive lighting device of claim 1, wherein: an optical pattern structure (402) is arranged in a partial region of the inner side wall of the light guide illumination lens (4) outside the light guide column (401); the main body part comprises a first illumination part (403) and a second illumination part (404), and the first illumination part (403) and the second illumination part (404) have different illumination positions and different brightness of illumination light.

3. The automotive lighting device according to claim 2, characterized in that: one of the first illumination section (403) and the second illumination section (404) illuminates as a reading lamp and the other illuminates as an atmosphere lamp; the light guide column (401) is arranged in a protruding mode from the inner side wall of the main body portion to the direction of the substrate (2), the light guide column (401) is integrally connected with one of the lighting portions, and the optical pattern structure (402) is arranged on the inner side wall of the other lighting portion.

4. The automotive lighting device according to claim 3, characterized in that: the lower end of the light guide column (401) is provided with a conical part (405), the conical part (405) is provided with at least one light inlet surface convenient for light to be guided in, the light guide column (401) is provided with a first reflecting surface (406) matched with the conical part (405), the first reflecting surface (406) reflects part of light to the light outlet surface of one of the lighting parts, the other lighting part is provided with a second reflecting surface (407), and the second reflecting surface (407) reflects another part of light to the optical pattern structure (402) of the other lighting part and passes through the light outlet surface of the other lighting part.

5. The automotive lighting device according to claim 4, characterized in that: the light source (201) is an LED lamp bead electrically connected to the substrate (2), and the minimum distance between the tail end of the conical part (405) and the top side of the LED lamp bead is larger than zero; the included angle between the first reflecting surface (406) and the vertical direction is upward and is larger than zero and smaller than ninety degrees, and the included angle between the second reflecting surface and the transverse direction is downward and is larger than zero and smaller than ninety degrees.

6. The automotive lighting device according to claim 2, characterized in that: the light guide bar (401), the first illumination portion (403), and the second illumination portion (404) are integrally formed; the light guide column (401) partially penetrates through the front cover (3), and the light guide illumination lens (4) is arranged in a limiting mode relative to the front cover (3).

7. The automotive lighting device of claim 1, wherein: one of the front cover (3) and the light guide illumination lens (4) is provided with a protruding part (301), at least two limiting grooves (302) are formed in the protruding part (301), at least two limiting protrusions (408) are formed in the other one of the front cover (3) and the light guide illumination lens (4), and the limiting protrusions (408) are matched with the limiting grooves (302) to limit the light guide illumination lens (4) and the front cover (3); the automobile lighting device further comprises an outer panel (5), the outer panel (5) abuts against the top side of the light guide lighting lens (4), the light guide lighting lens (4) is fixed on the front cover (3) through the outer panel (5), the outer panel (5) comprises a notch, and part of the main body part of the light guide lighting lens (4) is exposed out of the notch.

8. The automotive lighting device of claim 7, wherein: the substrate (2) is fixed between the front cover (3) and the rear cover (1); the automobile lighting device is characterized in that an SOS contact is arranged on the substrate (2), the automobile lighting device further comprises a press switch (6) and a baffle (7), the press switch (6) is installed on the substrate (2), a switch button of the press switch (6) is arranged in a sliding mode relative to the front cover (3), the baffle (7) and the front cover (3) can be installed in a rotating mode, the baffle (7) can shield the press switch (6) at one rotating position, the baffle (7) can be opened at the other rotating position in the space where the press switch (6) is located, and the press switch (6) is pressed down at the moment and touches the SOS contact.

9. The automotive lighting device of claim 8, wherein: the baffle (7) comprises a hinge part and a buckling part, one end of the hinge part is hinged on the outer panel (5), and the buckling part is buckled or separated from the groove wall of the outer panel (5); an SOS indicator (8) is fixed on the outer panel (5), and a contact pin of the SOS indicator (8) is electrically connected with the substrate (2).

10. The automotive lighting device of claim 7, wherein: a key assembly (9) with a part penetrating through the outer panel (5) is fixed on the front cover (3), and the key assembly (9) comprises a rocker key and a plurality of control keys.

Technical Field

The invention relates to the field of automobile lighting devices, in particular to an automobile lighting device for interior lighting.

Background

With the development of science and technology and the progress of society, automobiles as a convenient vehicle have become a part of daily trips. The automobile lighting device is mainly used for providing proper lighting for a driver or passengers in an automobile to find articles or read data when the light is weak, and is generally arranged on the top of the automobile above the automobile driver so as to be convenient for the automobile driver to operate and control.

The lighting structure of the existing automobile lighting device generally comprises a light guide strip, a lighting bracket, a lens and an outer lens, wherein the light guide strip and the lens are arranged on the lighting bracket during installation, the outer lens is put into an assembly, and the lighting bracket is used for supporting the outer lens so as to finish the installation of a lighting part; when the LED lamp is used, a light source of the LED is conducted to the lens through the light guide strip, the divergence angle is controlled by the lens, and then the LED lamp is conducted to the outside through the outer lens to illuminate; the automobile lighting device has more lighting structural parts and correspondingly higher cost.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide an automobile lighting device capable of reducing the cost of a lighting structure.

(II) technical scheme

In order to solve the technical problem, the invention provides an automobile lighting device, which comprises a rear cover, a substrate, a front cover and a light guide lighting lens, wherein the front cover and the rear cover are fixed, the automobile lighting device is provided with an accommodating cavity, the accommodating cavity is positioned between the front cover and the rear cover, and the substrate is arranged in the accommodating cavity; the light guide illumination lens is integrally provided with a main body part and at least two light guide columns, the light guide columns partially extend into the accommodating cavity, and the base plate is provided with a light source corresponding to the end parts of the light guide columns; the light emitted by the light source is guided into the main body part through the light guide column and is outwards diffused through part of the outer wall part of the main body part.

Through setting up above-mentioned light guide illumination lens, an organic whole is provided with main part and two at least leaded light posts for light is leading-in through leaded light post the main part can outwards disperse through the partial outer wall portion of main part, simplifies the structure of light guide illumination lens relatively, can reduce cost.

Furthermore, an optical pattern structure is arranged in a partial area of the inner side wall of the light guide illumination lens outside the light guide column; the main body includes a first illumination unit and a second illumination unit, and the first illumination unit and the second illumination unit are different in illumination position and have different brightness of illumination light. One of the first illumination part and the second illumination part is used as a reading lamp for illumination, and the other one is used as an atmosphere lamp for illumination; the light guide column extends from the inner side wall of the main body part towards the direction of the substrate in a protruding mode, the light guide column is integrally connected with one of the lighting parts, and the optical pattern structure is arranged on the inner side wall of the other lighting part.

Furthermore, the lower end of the light guide column is provided with a conical part, the conical part is provided with at least one light inlet surface convenient for light to be led in, the light guide column is provided with a first reflecting surface matched with the conical part, the first reflecting surface reflects part of light to the light outlet surface of one of the lighting parts, the other lighting part is provided with a second reflecting surface, and the second reflecting surface reflects the other part of light to the optical pattern structure of the other lighting part and passes through the light outlet surface of the other lighting part. The light source is an LED lamp bead electrically connected to the substrate, and the minimum distance between the tail end of the conical part and the top side of the LED lamp bead is larger than zero; the included angle between the first reflecting surface and the vertical direction is upward and is larger than zero and smaller than ninety degrees, and the included angle between the second reflecting surface and the transverse direction is downward and is larger than zero and smaller than ninety degrees. Through the cooperation that sets up leaded light post, first plane of reflection and second plane of reflection, can reach the luminance requirement in first illumination portion to can form the atmosphere lamp effect in second illumination portion through setting up optical pattern structure, and illumination is even, has improved visual effect.

Further, the light guide column, the first illumination part and the second illumination part are manufactured in an integrated mode; the light guide column part penetrates through the front cover, and the light guide illumination lens is arranged in a limiting mode relative to the front cover. One of the front cover and the light guide illumination lens is provided with a protruding part, the protruding part is provided with at least two limiting grooves, the other one of the front cover and the light guide illumination lens is provided with at least two limiting protrusions, and the limiting protrusions are matched with the limiting grooves to limit the light guide illumination lens and the front cover; the automobile lighting device further comprises an outer panel, the outer panel is abutted against the top side of the light guide lighting lens, the light guide lighting lens is fixed on the front cover through the outer panel, the outer panel comprises a notch, and part of the main body part of the light guide lighting lens is exposed out of the notch. The light guide illumination lens is positioned by the front cover without adding other supporting structures, and then the light guide illumination lens is pressed by the outer panel to achieve a fixing effect, so that the assembly efficiency is high.

Further, the substrate is fixed between the front cover and the rear cover; the automobile lighting device comprises a base plate, and is characterized in that an SOS contact is arranged on the base plate, the automobile lighting device further comprises a press switch and a baffle, the press switch is installed on the base plate, a switch button of the press switch is arranged in a sliding mode relative to a front cover, the baffle and the front cover are installed in a rotating mode, the baffle can shield the press switch at one rotating position, the baffle can open a space where the press switch is located at the other rotating position, and when the press switch is pressed down, the press switch touches the SOS contact. The baffle comprises a hinge part and a buckling part, one end of the hinge part is hinged on the outer panel, and the buckling part is buckled or separated from the groove wall of the outer panel; an SOS indicator is fixed on the outer panel, and a contact pin of the SOS indicator is electrically connected with the substrate; the front cover is fixedly provided with a key assembly, the part of the key assembly penetrates through the outer panel, and the key assembly comprises a rocker key and a plurality of control keys.

(III) advantageous effects

According to the automobile lighting device, the light guide lighting lens is arranged, the main body part and the at least two light guide columns are integrally arranged, so that light is guided into the main body part through the light guide columns, and then the light can be outwards diffused through part of the outer wall part of the main body part, the structure of the light guide lighting lens is relatively simplified, and the cost can be reduced.

Drawings

FIG. 1 is a perspective view of an automotive lighting device having an integrated light directing illumination lens of the present invention;

FIG. 2 is an exploded view of an automotive lighting device with integrated light directing illumination lens of the present invention;

FIG. 3 is a schematic structural diagram of an automotive lighting device with integrated light guide illumination lens according to the present invention;

FIG. 4 is a perspective view of a light directing illumination lens of an automotive lighting device having an integrated light directing illumination lens of the present invention;

FIG. 5 is a perspective view of another angle of view of a light directing illumination lens of an automotive lighting device having an integrated light directing illumination lens of the present invention;

the corresponding part names for the various reference numbers in the figures are: 1. a rear cover; 2. a substrate; 3. a front cover; 4. a light guide illumination lens; 5. an outer panel; 6. a push switch; 7. a baffle plate; 8. an SOS indicator; 9. a key assembly; 201. a light source; 301. a boss portion; 302. a limiting groove; 401. a light guide pillar; 402. an optical pattern structure; 403. a first illumination unit; 404. a second illumination unit; 405. a tapered portion; 406. a first reflective surface; 407. a second reflective surface; 408. and a limiting bulge.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, the present invention provides an automotive lighting device with an integrated light guide illumination lens, which includes a rear cover 1, a substrate 2, a front cover 3 and a light guide illumination lens 4, wherein the front cover 3 and the rear cover 1 are fixed, an accommodating cavity is formed in the automotive lighting device, the accommodating cavity is located between the front cover 3 and the rear cover 1, and the substrate 2 is located in the accommodating cavity.

Referring to fig. 2 and 3, the light guiding illumination lens 4 is limited relative to the front cover 3; one of the front cover 3 and the light guide illumination lens 4 is provided with a convex part 301, the convex part 301 is provided with at least two limiting grooves 302, the other one of the front cover 3 and the light guide illumination lens 4 is provided with at least two limiting bulges 408, and the limiting bulges 408 are matched with the limiting grooves 302 to realize the limiting of the light guide illumination lens 4 and the front cover 3; the automobile lighting device further comprises an outer panel 5, wherein the outer panel 5 abuts against the top side of the light guide lighting lens 4, the light guide lighting lens 4 is fixed on the front cover 3 through the outer panel 5, the outer panel 5 comprises a notch part, and part of the main body part of the light guide lighting lens 4 is exposed out of the notch part. In this embodiment, the limiting protrusion 408 is disposed on the light guiding illumination lens 4, and the limiting groove 302 is disposed on the front cover 3. By adopting the fixing mode, the light guide illuminating lens 4 is positioned on the front cover 3 by matching the limiting protrusion 408 with the limiting groove 302, and the inner part of the light guide illuminating lens is pressed by the outer panel to achieve the fixing effect, so that the part of the light guide illuminating lens is pressed, the part can still normally transmit light, the assembling process is simple, and the assembling efficiency is improved.

Referring to fig. 4 and 5, the light guiding illumination lens 4 is integrally provided with a main body portion and at least two light guiding columns 401, and the inner side wall of the light guiding illumination lens 4 is provided with an optical pattern structure 402 in a partial region outside the light guiding columns 401; the main body includes a first illumination unit 403 and a second illumination unit 404, and the first illumination unit 403 and the second illumination unit 404 are different in irradiation position and different in brightness of irradiation light. One of the first illumination portion 403 and the second illumination portion 404 illuminates as a reading lamp and the other illuminates as an atmosphere lamp; the light guide column 401 protrudes from the inner side wall of the main body part towards the substrate 2, the light guide column 401 is integrally connected with one of the lighting parts, and the optical pattern structure 402 is arranged on the inner side wall of the other lighting part. In this embodiment, the light guide bar 401, the first illumination portion 403 and the second illumination portion 404 are integrally formed, the light guide bar 401 is connected to the first illumination portion 403, and the optical pattern structure 402 is disposed on the second illumination portion 404, so that light enters the first illumination portion 403 through the light guide bar 401, the intensity of the light is high, and the first illumination portion 403 is used as a reading lamp for illumination; the light emitted by the second illumination portion is uniform and softer by the optical pattern structure 402 along the light propagation path, so that the second illumination portion 404 is illuminated as an atmosphere lamp, i.e. the first illumination portion (403) is brighter than the second illumination portion (404).

Referring to fig. 4 and 5, a tapered portion 405 is disposed at a lower end of the light guide column 401, the tapered portion 405 is formed with at least one light incident surface for guiding light, the light guide column 401 is disposed with a first reflecting surface 406 matched with the tapered portion 405, the first reflecting surface 406 reflects a part of the light to the light emitting surface of one of the lighting portions, the other lighting portion is disposed with a second reflecting surface 407, and the second reflecting surface 407 reflects another part of the light to the optical pattern structure 402 of the other lighting portion and passes through the light emitting surface of the other lighting portion. In this embodiment, the first reflecting surface 406 reflects part of the light to the first illuminating portion 403, and the second reflecting surface 407 reflects the light to the optical pattern structure 402 on the second illuminating portion 404; the included angle between the first reflecting surface 406 and the vertical direction is upward and is greater than zero and less than ninety degrees, and the included angle between the second reflecting surface and the transverse direction is downward and is greater than zero and less than ninety degrees. Through the cooperation that sets up leaded light post, first plane of reflection and second plane of reflection, can reach the luminance requirement in first illumination portion to can form the atmosphere lamp effect in second illumination portion through setting up optical pattern structure, and illumination is even, has improved visual effect.

Referring to fig. 2 and 4, a portion of the light guide column 401 penetrates through the front cover 3, a through hole is formed in the front cover 3 for allowing the bottom of the light guide column 401 to pass through, the portion of the light guide column 401 extends into the accommodating cavity, and at least two light sources 201 corresponding to the end portions of the light guide column 401 are arranged on the substrate 2; the light emitted from the light source 201 is guided into the main body portion via the light guide bar 401, and is emitted outward through a part of the outer wall portion of the main body portion. In this embodiment, light source 201 is the LED lamp pearl of electric connection on base plate 2, and minimum distance is greater than zero between the terminal of toper portion 405 and the top side of LED lamp pearl, can increase the light that gets into in the light guide part, improves light utilization ratio.

Referring to fig. 2, the substrate 2 is fixed between the front cover 3 and the rear cover 1; the base plate 2 is provided with an SOS contact, the automobile lighting device further comprises a press switch 6 and a baffle 7, the press switch 6 is installed on the base plate 2, a switch button of the press switch 6 is arranged in a sliding mode relative to the front cover 3, the baffle 7 and the front cover 3 are installed in a rotating mode, the baffle 7 can shield the press switch 6 at one rotating position, the baffle 7 can open the space where the press switch 6 is located at the other rotating position, and when the press switch 6 is pressed at the moment, the press switch 6 touches the SOS contact. The baffle 7 comprises a hinge part and a buckling part, one end of the hinge part is hinged on the outer panel 5, the buckling part is buckled or separated from the groove wall of the outer panel 5, the rotation of the hinge part can be realized by simple mechanism combination, and the space where the push switch 6 is positioned is closed or opened by the baffle 7; an SOS indicator 8 is fixed on the outer panel 5, and pins of the SOS indicator 8 are electrically connected with the substrate 2. The automobile lighting device is provided with the push switch 6, so that the emergency alarm is facilitated, and the operation is more convenient; the baffle 7 is arranged, so that the press switch 6 can be prevented from being touched by mistake, and the use is more reliable; the SOS indicator 8 is arranged, so that the SOS contact condition can be conveniently known. Be fixed with the key assembly 9 that the part runs through front panel 5 on the protecgulum 3, key assembly 9 includes the wane button and a plurality of control button, conveniently controls other parts.

When the LED lamp is used, the LED lamp beads emit light rays, the light rays are guided into the light guide column 401 through the conical part 405, a part of the light rays entering the light guide column 401 are reflected by the first reflecting surface 406 and then are transmitted to the light emitting surface (the outer end surface of the first illuminating part) of the first illuminating part 403, and then are refracted through the light emitting surface and transmitted to the target illuminating area of the reading lamp, so that the function of the illuminating lamp is provided, and the reading and illuminating requirements are met; the other part of the light is reflected by the second reflecting surface 407 and enters the second illuminating part 404, the light entering the second illuminating part 404 is transmitted through the optical pattern structure, and the shape of the optical pattern structure is adjusted to realize uniform light emission of the whole second illuminating part 404, so that the effect of uniform atmosphere lamp is realized.

According to the automobile lighting device provided by the embodiment, the lighting requirement can be met by adopting the single part light guide lighting lens, the structure is simplified, and the cost is greatly reduced; the light guide illuminating lens is positioned by the front cover and is pressed by the outer panel to achieve the fixing effect, and the assembling efficiency is high; because the number of parts is reduced, the space occupied by the lighting structure in the automobile lighting device is smaller, and the peripheral structure can be more conveniently arranged; through the cooperation that sets up leaded light post, first plane of reflection and second plane of reflection, can reach the luminance requirement in first illumination portion to can form the atmosphere lamp effect in second illumination portion through setting up optical pattern structure, and illumination is even, has improved visual effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.