CN216480543U

CN216480543U - Vehicle reading lamp

Info

Publication number: CN216480543U
Application number: CN202123348850.5U
Authority: CN
Inventors: 杨波; 朱志敏; 蔡晶晶
Original assignee: Jiaxing Hella Lighting Co Ltd
Current assignee: Jiaxing Hella Lighting Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-10
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a vehicle reading lamp, it includes: PCB, reflector and conductive rubber; the PCB is provided with an LED light source and a capacitive touch sensing unit; the LED light source comprises a light reflecting bowl, a PCB and a conductive rubber, wherein the light reflecting bowl is used for reflecting light rays emitted from the LED light source, the surface of the light reflecting bowl is provided with a conductive reflecting layer, the conductive rubber is clamped and fixed between the light reflecting bowl and a capacitive touch sensing unit on the PCB, and the capacitive touch sensing unit, the conductive rubber and the light reflecting bowl form conductive connection. After adopting above-mentioned technical scheme, vehicle reading lamp simple structure and signal transmission are stable, have realized the reliability that the touch was lighted.

Description

Vehicle reading lamp

Technical Field

The utility model relates to a vehicle lamps and lanterns technical field especially relates to a vehicle reading lamp.

Background

The reading lamp for vehicle is one kind of electronic equipment for use inside automobile to facilitate reading in case of insufficient light inside automobile. Traditional vehicle reading lamp adopts mechanical type switch, not only troublesome poeration, and life is low, moreover in operation process, can produce certain noise, influences and uses experience. Some vehicle reading lamps adopt a capacitive sensing type triggering method, but the sensing piece is connected with the circuit board through a metal antenna, so that signal transmission is unstable and failure is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical defect, the utility model aims to provide a simple structure, the lower and stable vehicle reading lamp of signal transmission of cost.

The utility model discloses a vehicle reading lamp, it includes: PCB, reflector and conductive rubber;

the PCB is provided with an LED light source and a capacitive touch sensing unit;

the LED light source comprises a light reflecting bowl, a PCB and a conductive rubber, wherein the light reflecting bowl is used for reflecting light rays emitted from the LED light source, the surface of the light reflecting bowl is provided with a conductive reflecting layer, the conductive rubber is clamped and fixed between the light reflecting bowl and a capacitive touch sensing unit on the PCB, and the capacitive touch sensing unit, the conductive rubber and the light reflecting bowl form conductive connection.

Preferably, one side of the light reflecting bowl facing the PCB extends to form a press connection part, the press connection part includes a horizontal press connection surface, and the conductive rubber is clamped and fixed between the press connection surface and the capacitive touch sensing unit in an interference manner.

Preferably, the edge of the crimping surface facing the PCB side is provided with at least one limiting surface for limiting the conductive rubber.

Preferably, the surface of the reflector is plated with an aluminum layer or a silver layer.

Preferably, the conductive rubber is connected with the capacitive touch sensing unit and/or the light reflecting bowl through conductive adhesive.

Preferably, the vehicle reading light further comprises a light guide;

the light guide is located between the PCB and the light reflecting bowl, the light guide is used for conducting light rays emitted by the LED light source, and the light reflecting bowl is used for reflecting light rays emitted from the light guide.

Preferably, the vehicle reading lamp further comprises a light-transmissive face mask;

the light-transmitting face mask is positioned on one side of the light reflecting bowl, which is far away from the PCB, and light rays emitted from the light guide and light rays reflected by the light reflecting bowl are emitted outwards through the light-transmitting face mask.

Preferably, the vehicle reading lamp further comprises a housing;

the light guide is connected with the light reflecting bowl in a buckling mode;

the light reflecting bowl is connected with the shell in a buckling manner;

the light-transmitting mask is connected with the shell in a buckling manner;

the PCB is fixedly connected with the shell through screws.

Preferably, a plurality of elastic clamping feet are arranged on the light guide;

a plurality of clamping holes corresponding to the elastic clamping pins are formed in the light reflecting bowl;

when the elastic clamping pin extends into the clamping hole, the light guide and the light reflecting bowl form a clamping connection.

Preferably, first buckles are arranged on two sides of the light-transmitting mask, first clamping grooves corresponding to the first buckles are arranged on the shell, and the first buckles are mounted to the first clamping grooves from the first side of the shell;

second buckles are arranged on two sides of the light reflecting bowl, second clamping grooves corresponding to the second buckles are formed in the shell, and the second buckles are installed to the first clamping grooves from the second side of the shell;

the PCB is fixedly connected to the second side of the shell through a screw, and the conductive rubber is clamped and fixed between the light reflecting bowl and the capacitive touch sensing unit on the PCB.

After the technical scheme is adopted, compared with the prior art, the capacitive touch sensing unit has the advantages that the capacitive touch sensing unit, the conductive rubber and the light reflecting bowl form conductive connection, and the conductive rubber is clamped and fixed between the capacitive touch sensing unit and the light reflecting bowl, so that on one hand, the light reflecting bowl can be used for sensing touch operation of a user, an additional sensing piece is not needed, the structure is simplified, and the cost is reduced; on the other hand, the signal transmission of the structure is stable, the failure is not easy to occur, and the reliability of touch lighting is improved.

Drawings

FIG. 1 is an exploded view of a vehicle reading light in accordance with an embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of the vehicle reading light of FIG. 1;

FIG. 3 is an exploded view of a vehicle reading light in accordance with an embodiment of the present invention;

FIG. 4 is a schematic structural view of the housing of FIG. 3;

fig. 5 is a cross-sectional view of the junction of the housing, the reflector and the light-transmitting mask of fig. 4.

Reference numerals:

100-PCB, 110-LED light source, 120-capacitance touch sensing unit, 200-light guide, 210-elastic clamping foot, 300-light reflecting bowl, 310-crimping part, 320-clamping hole, 330-second clamping buckle, 400-conductive rubber, 500-light-transmitting mask, 510-first clamping buckle, 600-shell, 610-first clamping groove and 620-second clamping groove.

Detailed Description

The advantages of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if," as used herein, may be interpreted as "at … …" or "when … …" or "in response to a determination," depending on the context.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or may be connected between two elements through an intermediate medium, or may be directly connected or indirectly connected, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the following description, suffixes such as "module", "part", or "unit" used to indicate elements are used only for the convenience of description of the present invention, and have no specific meaning in itself. Thus, "module" and "component" may be used in a mixture.

Referring to fig. 1 and 2, a vehicle reading lamp according to an embodiment of the present invention includes a PCB100, a light guide 200, a light reflecting bowl 300, and a conductive rubber 400.

The PCB100 is provided with an LED light source 110 and a capacitive touch sensing unit 120, and the capacitive touch sensing unit 120 can sense a capacitance change at a conductive component connected thereto, and then controls the LED light source 110 to be turned on and off according to the capacitance change, so that the vehicle reading lamp can be turned on and off in a touch manner.

The light guide 200 is located between the PCB100 and the light reflecting bowl 300, the light guide 200 is used for conducting the light emitted by the LED light source 110, the light reflecting bowl 300 is used for reflecting the light emitted from the light guide 220, and the light emitted from the light guide 200 is matched with the light reflecting bowl 300 to form a specific light pattern, so as to meet the requirements of the vehicle reading lamp on the aspects of illumination area, brightness distribution and the like. In other embodiments, the light guide 200 may not be provided, and the light emitted from the LED light source 110 is reflected directly by the reflector 300 to meet the illumination requirement of the reading lamp of the vehicle.

The surface of the light reflecting bowl 300 is provided with a conductive reflective layer, and in this embodiment, the entire surface of the light reflecting bowl 300 is plated with aluminum, so that the light reflecting bowl can be conductive on one hand and can reflect light on the other hand. In other embodiments, the surface of the reflector 300 may be silver-plated, or a metal or non-metal layer with conductive and reflective capabilities may be applied. The conductive rubber 400 is clamped and fixed between the light reflecting bowl 300 and the capacitive touch sensing unit 120 on the PCB100, and the capacitive touch sensing unit 120, the conductive rubber 400 and the light reflecting bowl 300 form conductive connection, so that the touch sensing unit 120 can control the on and off of the LED light source 110 by sensing capacitance change at the position of the light reflecting bowl 300, and the conductive connection of the conductive rubber 400 and the capacitive touch sensing unit 120 on the PCB100 is realized by clamping and fixing the conductive rubber 400 between the light reflecting bowl 300 and the capacitive touch sensing unit 120, so that signals can be transmitted more stably, and the reliability of touch lighting is realized. Specifically, the light reflecting bowl 300 extends towards one side of the PCB110 to form a crimping portion 310, the crimping portion 310 includes a horizontal crimping surface 311, and the conductive rubber 400 is clamped and fixed between the crimping surface 311 and the capacitive touch sensing unit 120 on the PCB100 in an interference manner. Further, the edge of the crimping surface 400 facing the PCB100 is provided with at least one limiting surface 312, and the limiting surface 312 is used for limiting the lateral direction of the conductive rubber 400. In some embodiments, the limiting surfaces 312 may be located on both sides of the conductive rubber 400, and together with the pressing surface 311, form a U-shaped structure, which can clamp the conductive rubber 400, so that the conductive rubber 400 can be pre-mounted thereon during assembly. In some other implementations, the conductive rubber 400 and the capacitive touch sensing unit 120 and/or the light reflecting bowl 300 may be adhesively connected by a conductive adhesive.

Further, in this embodiment, the vehicle reading lamp further includes a light-transmitting cover 500, the light-transmitting cover 500 is located on a side of the light reflecting bowl 300 away from the PCB100, and the light emitted from the light guide 200 and the light reflected by the light reflecting bowl 300 are emitted outwards through the light-transmitting cover 500. When a finger of a user touches a designated touch area on the light-transmitting mask, a capacitance change at the light-reflecting bowl 300 is caused, and the capacitive touch sensing unit 120 on the PCB100 can sense the capacitance change and control the LED light source 110 to be turned on and off.

Referring to fig. 3-5, there are schematic structural diagrams of the vehicle reading lamp in an embodiment of the present application, the vehicle reading lamp further includes a housing 600, and the vehicle reading lamp further includes other structures such as a glasses case, but not specifically shown in the drawings, on the basis of the vehicle reading lamp shown in fig. 1 and 2. The shell 600 is connected with the light-transmitting mask 500 in a snap-fit manner; the light guide 200 is connected with the light reflecting bowl 300 in a buckling manner, and the light reflecting bowl 300 is connected with the shell 600 in a buckling manner; the PCB100 is fixedly connected to the case 600 by screws.

Specifically, first buckles 510 are arranged on two sides of the light-transmitting mask 500, first locking grooves 610 corresponding to the first buckles 510 are arranged on the housing 600, and the first buckles 510 are mounted to the first locking grooves 610 from a first side (an upper side of the housing 600 in fig. 5) of the housing 600, that is, the light-transmitting mask 500 is mounted to the housing 600 from the upper side of the housing 600.

The light guide 200 is provided with a plurality of elastic clamping pins 210, the light reflecting bowl 300 is provided with a plurality of clamping holes 320 corresponding to the elastic clamping pins 210, and when the elastic clamping pins 210 extend into the clamping holes 320, the light guide 200 and the light reflecting bowl 300 form a buckle connection. The two sides of the light reflecting bowl 300 are provided with second fasteners 330, the housing 600 is provided with second locking grooves 620 corresponding to the second fasteners 330, the second fasteners 330 are mounted to the first locking grooves 620 from the second side of the housing 600 (the lower side of the housing 600 in fig. 5), that is, a sub-assembly formed by the light reflecting bowl 300 and the light guide 200 is mounted to the housing 600 from the lower side of the housing 600.

After the sub-assembly formed by the light reflecting bowl 300 and the light guide 200 is mounted to the housing 600 from the lower side of the housing 600, the PCB100 is fixedly connected to the lower side of the housing 600 by screws, and the conductive rubber 400 is clamped and fixed between the light reflecting bowl 300 and the capacitive touch sensing unit 120 on the PCB100, that is, the conductive rubber 400 is clamped and fixed between the crimping surface 311 and the capacitive touch sensing unit 120 in an interference manner.

Through installing printing opacity face guard 500 in the upside of casing 600, install PCB100, light guide 200, reflector 300 and conductive rubber 400 in the downside of casing 600 for printing opacity face guard 500 does not have direct connected relation with parts such as PCB100, light guide 200, reflector 300 and conductive rubber 400, thereby, the user can not basically cause the influence to PCB100, light guide 200, reflector 300 and conductive rubber 400 etc. of casing 600 downside to the touch of printing opacity face guard 500 of casing 600 upside, collision, can not cause its rocking or not hard up basically, thereby make it can long period steady operation. Simultaneously, the vehicle reading lamp of this application simple structure, convenient assembling.

It should be noted that the vehicle reading lamp can be used not only in a vehicle, but also in any other lamps lighted by touch, and those skilled in the art can flexibly set the lamp according to needs.

It should be noted that the embodiments of the present invention have better practicability and are not intended to limit the present invention in any way, and any person skilled in the art may change or modify the technical contents disclosed above to equivalent effective embodiments, but all the modifications or equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A vehicle reading lamp, comprising: PCB, reflector and conductive rubber;

2. The vehicle reading lamp of claim 1,

the light reflecting bowl extends towards one side of the PCB to form a crimping part, the crimping part comprises a horizontal crimping surface, and the conductive rubber is clamped and fixed between the crimping surface and the capacitive touch sensing unit in an interference manner.

3. The vehicle reading lamp of claim 2,

the edge of the crimping surface, which faces one side of the PCB, is provided with at least one limiting surface, and the limiting surface is used for limiting the conductive rubber.

4. The vehicle reading lamp of claim 1,

the surface of the reflector is plated with an aluminum layer or a silver layer.

5. The vehicle reading lamp of claim 1,

the conductive rubber is connected with the capacitive touch sensing unit and/or the light reflecting bowl through conductive adhesive.

6. The vehicle reading lamp of any of claims 1-5,

the vehicle reading light further comprises a light guide;

7. The vehicle reading light of claim 6,

the vehicle reading lamp further comprises a light-transmitting mask;

8. The vehicle reading lamp of claim 7,

the vehicle reading light further comprises a housing;

the light guide is connected with the light reflecting bowl in a buckling mode;

the light reflecting bowl is connected with the shell in a buckling manner;

the light-transmitting mask is connected with the shell in a buckling manner;

the PCB is fixedly connected with the shell through screws.

9. The vehicle reading light of claim 8,

a plurality of elastic clamping pins are arranged on the light guide;

10. The vehicle reading lamp of claim 8 or 9,

first buckles are arranged on two sides of the light-transmitting mask, first clamping grooves corresponding to the first buckles are arranged on the shell, and the first buckles are installed to the first clamping grooves from the first side of the shell;