Optical assembly and vehicle lamp

Abstract

The utility model provides an optical assembly and a vehicle lamp, and relates to the technical field of vehicle lamps. The optical assembly comprises a circuit board and a reflector, a welding area is divided on the reflector, and the reflector is welded on the circuit board through the welding area. The reflecting mirror in the optical assembly is fixed on the circuit board in a welding mode, the relative offset of the reflecting mirror and the circuit board is smaller, the position accuracy is higher, and the positioning accuracy between the reflecting mirror and the light source is higher. In addition, the reflecting mirror can also be welded on the functional area on the circuit board, so that the reflecting mirror has other functions except for reflecting light.

Description

Technical Field

[0001] This application relates to the technical field of vehicle lights, and more particularly, to an optical component and a vehicle light. Background Art

[0002] The reflector is a commonly used optical device in vehicle lights, usually arranged near the light source, and its function is to reflect the divergent light emitted by the light source once. In the prior art, when installing the reflector, the reflector and the circuit board are usually fixed together by means of snap connection or bolt connection. This installation method is likely to cause poor positioning of the reflector and the light source, and the function of the reflector is only to reflect the divergent light emitted by the light source once, with a relatively single function. Summary of the Utility Model

[0003] The purpose of this application is to provide an optical component and a vehicle light to solve the problems of poor positioning of the reflector and the light source and the single function of the reflector in view of the above deficiencies in the prior art.

[0004] To achieve the above purpose, the technical solutions adopted in the embodiments of this application are as follows:

[0005] On the one hand, an embodiment of this application provides an optical component, including: a circuit board and a reflector. A welding area is defined on the reflector, and the reflector is welded to the circuit board through the welding area.

[0006] Optionally, a ground network connection area is provided on the circuit board, and the reflector is welded to the ground network connection area through the welding area.

[0007] Optionally, the reflector includes a reflector body and a solder pad provided on the reflector body, and the solder pad is the welding area of the reflector.

[0008] Optionally, the material of the reflector body is plastic, and the material of the solder pad is metal.

[0009] Optionally, the surface of the solder pad facing the circuit board is flush with the surface of the reflector body facing the circuit board, or the surface of the solder pad facing the circuit board is closer to the circuit board than the surface of the reflector body facing the circuit board.

[0010] Optionally, the number of solder pads is two, and the two solder pads are respectively located outside the two opposite edges of the reflecting surface on the reflector body.

[0011] Optionally, the reflector is a metal reflector, and the surface of the metal reflector facing the circuit board is the welding area.

[0012] Optionally, the number of ground network connection areas is two and they are arranged oppositely, and the welding area of the reflector is simultaneously welded to the two ground network connection areas.

[0013] Optionally, it further includes a radiator, and one side of the circuit board facing away from the mirror is connected to the radiator.

[0014] In another aspect of the embodiments of the present application, a vehicle lamp is provided, including the optical component as described in any one of the above.

[0015] The beneficial effects of the present application include:

[0016] The present application provides an optical component, including: a circuit board and a mirror. A welding area is defined on the mirror, and the mirror is welded to the circuit board through the welding area. The mirror in this optical component is fixed to the circuit board by welding, with a smaller relative offset between the mirror and the circuit board, higher position accuracy, and also higher positioning accuracy between the mirror and the light source. In addition, the mirror can also be welded to a functional area on the circuit board, thereby having other functions in addition to reflecting light. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is one of the structural schematic diagrams of the optical component provided by the embodiments of the present application;

[0019] Figure 2 It is another structural schematic diagram of the optical component provided by the embodiments of the present application;

[0020] Figure 3 It is the structural schematic diagram of the mirror in the optical component provided by the embodiments of the present application;

[0021] Figure 4 It is the third structural schematic diagram of the optical component provided by the embodiments of the present application.

[0022] Reference Signs: 100 - Optical Component; 110 - Circuit Board; 111 - Ground Network Connection Area; 120 - Mirror; 121 - Mirror Body; 122 - Pad; 130 - Light Source; 140 - Radiator. Detailed Description of the Embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will clearly and completely describe the technical solutions in the embodiments of this application with reference to the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are some, but not all, of the embodiments of this application. The components of the embodiments of this application usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of this application that is claimed, but merely represents selected embodiments of this application. It should be noted that, without conflict, the various features in the embodiments of this application can be combined with each other, and the combined embodiments are still within the scope of protection of this application.

[0025] It should be noted that similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of this application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the products of this application are usually placed when in use. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0027] In the description of this application, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

[0028] In one aspect of the embodiments of this application, please refer to Figure 1 , and provide an optical component 100, including: a circuit board 110 and a mirror 120. A welding area is defined on the mirror 120, and the mirror 120 is welded to the circuit board 110 through the welding area.

[0029] It can be understood that after the mirror 120 is welded, its reflecting surface should face the light source 130 to reflect the light emitted by the light source 130.

[0030] In the above optical component 100, the mirror 120 is fixed on the circuit board 110 by welding. The relative offset between the mirror 120 and the circuit board 110 is smaller, the position accuracy is higher, and the positioning accuracy between the mirror 120 and the light source 130 is also higher. In addition, the mirror 120 can also be welded on the functional area of the circuit board 110, so as to have other functions in addition to reflecting light.

[0031] Optionally, please refer to Figure 2 , a ground network connection area 111 is provided on the circuit board 110, and the mirror 120 is welded on the ground network connection area 111 through a welding area.

[0032] The mirror 120 is electrically connected to the ground network connection area 111 on the circuit board 110, so that the mirror 120 has the function of ESD (Electro-Static discharge) protection. At this time, the mirror 120 can not only meet the optical function, but also play the role of ESD protection, killing two birds with one stone and having a higher product value.

[0033] Optionally, the number of the ground network connection areas 111 is two and they are arranged oppositely, and the welding area of the mirror 120 is welded to the two ground network connection areas 111 at the same time. In this way, the installation of the mirror 120 can be made more firm.

[0034] In the embodiment of the present application, the mirror 120 is directly welded on the circuit board 110 as a device. If the mirror 120 is a metal mirror, the surface of the metal mirror facing the circuit board 110 is the welding area, and the metal mirror can be directly welded on the circuit board 110 through the welding area.

[0035] Exemplarily, the metal mirror is welded on the circuit board 110 by a reflow soldering process.

[0036] If the mirror 120 cannot be directly welded on the circuit board 110 due to material problems or other reasons, the structure of the mirror 120 needs to be specially designed. Optionally, please refer to Figure 1 and Figure 3 , the mirror 120 includes a mirror body 121 and a pad 122 provided on the mirror body 121, and the mirror 120 is welded on the circuit board 110 through the pad 122.

[0037] Among them, the mirror body 121 is used to reflect the light emitted by the light source 130. In the embodiments of the present application, there are no restrictions on its material and structure, as long as it can achieve the reflection function of the mirror 120. The pad 122 is fixed on the mirror body 121. The pad 122 can be welded to the circuit board 110. The surface of the pad 122 facing the circuit board 110 is the welding area of the mirror 120. The mirror body 121 is fixed on the circuit board 110 through the pad 122.

[0038] Generally speaking, the material of the mirror body 121 is plastic, and the material of the pad 122 is metal. At this time, the connection between the mirror body 121 and the pad 122 can be realized through the metal insert injection molding process. Specifically, the pad 122 made of metal is pre-fixed at an appropriate position in the mold, and then plastic is injected into the mold for molding. After the mold is opened, a part of the area of the pad 122 is wrapped by the cooled and solidified plastic, and the solidified plastic forms the mirror body 121.

[0039] Optionally, the number of pads 122 is two, and the two pads 122 are respectively located outside the two opposite edges of the reflecting surface of the mirror body 121.

[0040] The pad 122 is located outside the edge of the reflecting surface of the mirror body 121, which can prevent the pad 122 from affecting the reflection of light by the reflecting surface. By setting the number of pads 122 to two and respectively locating them outside the two opposite edges of the reflecting surface, the two ends of the mirror body 121 can be welded and fixed to the circuit board 110 respectively, so that the installation of the mirror 120 is more firm.

[0041] Optionally, the surface of the pad 122 facing the circuit board 110 is flush with the surface of the mirror body 121 facing the circuit board 110.

[0042] That is to say, the surface of the pad 122 facing the circuit board 110 and the surface of the mirror body 121 facing the circuit board 110 are in the same plane. During welding, the mirror 120 is placed on the circuit board 110, and the surface of the pad 122 facing the circuit board 110 can naturally contact the circuit board 110, which is convenient for welding. At this time, the surface of the mirror body 121 facing the circuit board 110 also contacts the circuit board 110.

[0043] Or, the surface of the pad 122 facing the circuit board 110 is closer to the circuit board 110 than the surface of the mirror body 121 facing the circuit board 110.

[0044] That is to say, the surface of the pad 122 facing the circuit board 110 and the surface of the mirror body 121 facing the circuit board 110 are not in the same plane, and the surface of the pad 122 facing the circuit board 110 protrudes from the surface of the mirror body 121 facing the circuit board 110. During welding, the mirror 120 is placed on the circuit board 110, and the surface of the pad 122 facing the circuit board 110 can naturally contact the circuit board 110, thus facilitating welding. At this time, the surface of the mirror body 121 facing the circuit board 110 does not contact the circuit board 110, and there is a gap between the two.

[0045] Optionally, the optical component 100 further includes a light source 130 fixed on the circuit board 110. The light emitted by the light source 130 is incident on the reflecting surface of the mirror 120 and is reflected by the reflecting surface.

[0046] Optionally, please refer to Figure 4 , the optical component 100 further includes a heat sink 140. The side of the circuit board 110 facing away from the mirror 120 is connected to the heat sink 140.

[0047] The heat sink 140 is used to dissipate heat from the circuit board 110 and the devices fixed on the heat dissipation plate, so as to prevent high temperature from affecting the functions of the circuit board 110 and the devices fixed on the circuit board 110. After the mirror 120 is welded to the circuit board 110, the assembly composed of the mirror 120 and the circuit board 110 can be directly fixed to the heat sink 140.

[0048] This embodiment also provides a vehicle lamp, including the optical component 100 in any one of the above.

[0049] This vehicle lamp has the same structure and beneficial effects as the optical component 100 in the foregoing embodiment. The structure and beneficial effects of the optical component 100 have been described in detail in the foregoing embodiment, and will not be repeated here.

[0050] The above are only the preferred embodiments of the present application and are not used to limit the present application. For those skilled in the art, the present application may have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An optical component, characterized in that, Comprising: A circuit board and a mirror, a welding area is defined on the mirror, and the mirror is welded to the circuit board through the welding area.

2. The optical component according to claim 1, wherein A ground network connection area is provided on the circuit board, and the mirror is welded to the ground network connection area through the welding area.

3. The optical component according to claim 1, characterized in that, The mirror includes a mirror body and pads provided on the mirror body, and the mirror is welded to the circuit board through the pads.

4. The optical component according to claim 3, wherein, The material of the mirror body is plastic, and the material of the pads is metal.

5. The optical component according to claim 3, characterized in that, The surface of the pad facing the circuit board is flush with the surface of the mirror body facing the circuit board, or the surface of the pad facing the circuit board is closer to the circuit board than the surface of the mirror body facing the circuit board.

6. The optical component according to claim 3, characterized in that, The number of the pads is two, and the two pads are respectively located outside two opposite edges of the reflecting surface on the mirror body.

7. The optical component according to claim 1, wherein The mirror is a metal mirror, and the surface of the metal mirror facing the circuit board is the welding area.

8. The optical component according to claim 2, characterized in that The number of the ground network connection areas is two and they are arranged oppositely, and the welding area of the mirror is welded to both of the two ground network connection areas simultaneously.

9. The optical component according to any one of claims 1 to 8, characterized in that It further includes a radiator, and one side of the circuit board away from the mirror is connected to the radiator.

10. A vehicle lamp, characterized in that, An optical component as claimed in any one of claims 1 to 9 is included.

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