WO2024007973A1 - 氛围灯 - Google Patents

氛围灯 Download PDF

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Publication number
WO2024007973A1
WO2024007973A1 PCT/CN2023/104349 CN2023104349W WO2024007973A1 WO 2024007973 A1 WO2024007973 A1 WO 2024007973A1 CN 2023104349 W CN2023104349 W CN 2023104349W WO 2024007973 A1 WO2024007973 A1 WO 2024007973A1
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WO
WIPO (PCT)
Prior art keywords
circuit board
light guide
guide block
block
light
Prior art date
Application number
PCT/CN2023/104349
Other languages
English (en)
French (fr)
Inventor
郭锦峰
叶允祥
王志鑫
张甦明
蓝宏
Original Assignee
福耀玻璃工业集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 福耀玻璃工业集团股份有限公司 filed Critical 福耀玻璃工业集团股份有限公司
Publication of WO2024007973A1 publication Critical patent/WO2024007973A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints

Definitions

  • the present invention relates to the technical field of light-emitting devices, and in particular, to an ambient light.
  • Ambient light is a lighting device that uses a light source combined with a circuit board to control different brightness, grayscale and color changes. Ambient lights can be installed on various occasions, such as vehicles and buildings, and have a wide range of uses. The light emitted by the light source on the circuit board is guided through the light guide block to emit in a specific direction.
  • the light guide block is installed on the circuit board through hot riveting. That is, the light guide block is provided with a rivet post, and the circuit board is provided with a mounting hole. One end of the rivet post is passed through the mounting hole for heating.
  • To form a rivet head to fix the light guide block on the circuit board it is necessary to separately set up the corresponding hot riveting tooling and cooperate with the hot riveting equipment. The cost is high, the process is cumbersome, and the assembly efficiency is low.
  • the purpose of the present invention is to provide an atmosphere lamp to solve the technical problems of currently requiring the light guide block to be installed on a circuit board by hot riveting when assembling the atmosphere lamp, resulting in high costs, cumbersome processes, and low assembly efficiency.
  • the invention provides an atmosphere lamp, which includes: at least one main circuit board; at least a secondary circuit board, which is installed on the main circuit board and electrically connected to the main circuit board; the secondary circuit board is provided with at least one Light source structure; at least one light guide block is provided with at least one slot. The light guide block is stuck on the secondary circuit board through the slot.
  • the light guide block has at least one light incident surface. The light surface is arranged opposite to the light source structure.
  • At least one slot matching the auxiliary circuit board is provided on the light guide block, so that the light guide block can be directly stuck on the auxiliary circuit board, and the light incident surface of the light guide block can be aligned with the auxiliary circuit board.
  • the light source structure on the secondary circuit board corresponds to the light source structure, so that the light guide block is used to guide the light emitted by the light source structure to emit in a specific path.
  • the structure is simple, and there is no need to cooperate with other tooling for clamping and positioning, and there is no need to process rivets on the light guide block. And make holes on the secondary circuit board for hot riveting, Therefore, the assembly efficiency is high and the cost is low.
  • Figure 1 is a perspective view of the ambient light in this embodiment.
  • Figure 2 is a perspective view of the ambient light in this embodiment from another perspective.
  • Figure 3 is a schematic side structural view of the ambient light in this embodiment.
  • Figure 4 is a schematic structural diagram of the light guide block in this embodiment.
  • Figure 5 is a schematic bottom view of the light guide block in this embodiment.
  • Figure 6 is a schematic structural diagram of the main circuit board and the auxiliary circuit board in this embodiment.
  • Figure 7 is a perspective view of the ambient light in another embodiment.
  • FIG. 8 is a perspective view of the ambient light from another perspective in another embodiment.
  • Figure 9 is a schematic structural diagram of a light guide block in another embodiment.
  • FIG. 10 is a schematic structural diagram of the main circuit board and the auxiliary circuit board in another embodiment.
  • the present invention provides an atmosphere lamp, which includes: at least one main circuit board 1; at least one secondary circuit board 2, which is installed on the main circuit board 1 and electrically connected to the main circuit board 1.
  • the circuit board 2 is provided with at least one light source structure 23;
  • At least one light guide block 3 is provided with at least one slot 4.
  • the light guide block 3 is stuck on the secondary circuit board 2 through the slot 4.
  • the light guide block 3 has at least one light incident surface 31.
  • the light incident surface 31 and The light source structures 23 are arranged oppositely. Among them, in order to facilitate the description of the positional relationship between various structures, the description is made with reference to the directions shown in Figures 1 and 7.
  • the height direction in the present invention is the Z direction
  • the length direction is the Y direction
  • the width direction is the X direction. .
  • At least one slot 4 matching the sub-circuit board 2 is provided on the light guide block 3, so that the light guide block 3 can be directly stuck on the sub-circuit board 2, and the light guide block 3 can
  • the light incident surface 31 can correspond to the light source structure 23 on the secondary circuit board 2, so that the light guide block 3 is used to guide the light emitted by the light source structure 23 to emit in a specific path.
  • the structure is simple, and there is no need to cooperate with other tooling for clamping and positioning. , there is no need to process riveting posts on the light guide block 3 and make holes on the secondary circuit board 2 for hot riveting, so the assembly efficiency is high and the cost is low.
  • the width of the card slot 4 is slightly smaller than the thickness of the secondary circuit board 2 .
  • the light source structure 23 includes a plurality of LED particles.
  • the light guide block 3 receives the light emitted by the plurality of LED particles through its light incident surface 31. The light is diffusely reflected by the light guide block 3 and then transmitted to the ambient lamp glass or other light-transmitting parts according to a specific path.
  • the main circuit board 1 is provided with a mounting slot 11
  • the auxiliary circuit board 2 is provided with a mounting block 21.
  • the mounting block 21 is inserted into the mounting slot 11.
  • the auxiliary circuit board 2 is connected through a plurality of welds.
  • the pins 22 are welded and fixed on the main circuit board 1 and electrically connected. Both main circuit board 1 and auxiliary circuit board 2 are PCBA boards.
  • the light guide block 3 is provided with at least one claw 41 and at least one first protrusion 42.
  • the first protrusion 42 and the light incident surface 31 Located on the same side of the light guide block 3 , the claw 41 and the first protrusion 42 cooperate to form a locking groove 4 .
  • the first bump 42 there is a space for installing the light source structure 23 between the light incident surface 31 and the secondary circuit board 2.
  • the first bump 42 cooperates with the claw 41 to form the slot 4 to ensure that the light guide block 3 can be clamped and fixed on the auxiliary circuit board 2, and the distance between the light guide block 3 and the auxiliary circuit board 2 is in the width direction of the card slot 4, that is, in the width direction X of the auxiliary circuit board 2 and the light guide block 3, No relative motion occurs.
  • the claw 41 and the first bump 42 are integrally formed with the light guide block 3, which is easy to process.
  • the light guide block 3 has a light incident side opposite to the secondary circuit board 2 and a top surface away from the main circuit board 1 and connected to the side.
  • the light incident surface 31 and the first bump 42 are both located on the light incident side of the light guide block 3 .
  • the fixed end of the claw 41 is connected to the top surface of the light guide block 3 .
  • the claw 41 is generally L-shaped.
  • a lateral limiting structure 5 is provided between the light guide block 3 and the auxiliary circuit board 2.
  • the lateral limiting structure 5 is used to limit the light guide block 3 and the auxiliary circuit.
  • the plate 2 moves relative to the longitudinal direction of the slot 4 .
  • the length direction of the card slot 4 is the axial direction of the card slot 4 , that is, the length direction Y of the secondary circuit board 2 and the light guide block 3 .
  • the lateral limiting structure 5 includes a lateral limiting block 52 and a lateral limiting groove 51.
  • the lateral limiting block 52 is provided on the secondary circuit board 2 and matches with the transverse limiting groove 51 .
  • the light guide block 3 includes Multiple claws 41. A plurality of claws 41 cooperate with a plurality of first bumps 42 to form a plurality of slots 4, and the light guide block 3 is clamped on the secondary circuit board 2 through the plurality of slots 4, so that the light guide block 3 is installed more stably.
  • the two claws 41 are arranged at intervals along the length direction of the secondary circuit board 2 .
  • two adjacent claws 41 cooperate to form a transverse limiting groove 51, which has a simple structure and is easy to process.
  • the top surface of the secondary circuit board 2 is cut to form a first groove 24 and a second groove 25, so that a transverse limiting block 52 and two claws 41 are formed between the first groove 24 and the second groove 25. Installed in the first groove 24 and the second groove 25.
  • two adjacent claws 41 are connected through a connecting plate 53 , and a transverse limiting groove 51 is opened on the connecting plate 53 .
  • Connecting two adjacent claws 41 through the connecting plate 53 can also make the structure of the two claws 41 more stable.
  • the connecting plate 53 is connected to the top surface of the light guide block 3 .
  • the top surface of the secondary circuit board 2 is cut to form a third groove 26 and a fourth groove 27, so that a transverse limiting block 52 is formed between the third groove 26 and the fourth groove 27, and two claws 41 are installed on the third groove 26 and the fourth groove 27.
  • three grooves 26 and a fourth groove 27 are grooves 26 and a fourth groove 27 .
  • the light guide block 3 has an asymmetric structure relative to the center of the transverse limiting groove 51
  • the secondary circuit board 2 has an asymmetric structure relative to the transverse limiting block 52.
  • the center is an asymmetric structure.
  • the first groove 24 is a stepped groove
  • the second groove 25 is a three-sided open groove, so that the secondary circuit board 2 forms an asymmetric structure.
  • the two claws 41 are arranged asymmetrically with respect to the center of the light guide block 3, so that the light guide block 3 forms an asymmetric structure.
  • the transverse limiting groove 51 is disposed close to one of the claws 41 so that the light guide block 3 forms an asymmetric structure.
  • Both the third groove 26 and the fourth groove 27 are step grooves, but the size of the third groove 26 extending along the length direction Y of the sub-circuit board 2 is larger than that of the fourth groove 27 extending along the length direction Y of the sub-circuit board 2 size, so that the secondary circuit board 2 forms an asymmetric structure.
  • a longitudinal limiting structure 6 is provided between the light guide block 3 and the secondary circuit board 2.
  • the longitudinal limiting structure 6 is used to restrict the secondary circuit board 2 from being removed from the card slot. 4 come out.
  • the longitudinal limiting structure 6 includes a longitudinal limiting block 62 and a longitudinal limiting slot 61.
  • the claw 41 has a position opposite to the secondary circuit board 2.
  • the longitudinal limit block 62 is provided on the inner side of the claw 41
  • the longitudinal limiting groove 61 is provided on the auxiliary circuit board 2 and matches the longitudinal limiting block 62 .
  • the longitudinal limiting block 62 is provided with a guide slope 621, and the guide slope 621 is directed toward the slot along the installation direction of the light guide block 3 (that is, downward along the direction Z). 4 outboard tilt settings.
  • the auxiliary circuit board 2 is guided through the guide slope 621 to pass through the longitudinal limiting block 62 and stuck into the slot 4, so that the longitudinal limiting block 62 is stuck into the auxiliary circuit board. 2 in the longitudinal limiting groove 61.
  • the longitudinal limiting block 62 is also provided with a limiting slope 622 , and the limiting slope 622 is inclined toward the inside of the longitudinal limiting groove 61 along the insertion direction of the longitudinal limiting block 62 .
  • the longitudinal limiting block 62 is inserted into the longitudinal limiting groove 61 along the thickness direction of the secondary circuit board 2.
  • the light guide block 3 is provided with a support structure 7 , and the support structure 7 is in contact with the main circuit board 1 along the installation direction of the light guide block 3 .
  • the light guide block 3 is supported by the main circuit board 1, thereby improving the installation stability of the light guide block 3 and preventing the light guide block 3 from turning over.
  • the support structure 7 includes a plurality of second bumps 71 , and the plurality of second bumps 71 are arranged symmetrically with respect to the center of gravity of the light guide block 3 .
  • the support structure 7 includes two second protrusions 71 .
  • the second bump 71 has a generally cylindrical structure.
  • the second bump 71 is integrally formed on the bottom surface of the light guide block 3 opposite to the main circuit board 1 .
  • the layout angle between the auxiliary circuit board 2 and the main circuit board 1 is not specifically limited. As shown in Figures 1 and 7, in the embodiment of the present invention, the auxiliary circuit board 2 has an opposite first end and a second end. The first end of the circuit board 2 is connected to the main circuit board 1 and is arranged vertically. The light guide block 3 is clamped on the auxiliary circuit board 2 from the second end of the auxiliary circuit board 2 through the slot 4 .
  • the auxiliary circuit board 2 can be installed on the main circuit board 1 more firmly, and the auxiliary circuit board 2 is less likely to interfere with other electronic components on the main circuit board 1 .
  • the ambient light includes a plurality of main circuit boards 1, a plurality of auxiliary circuit boards 2, and a plurality of light guide blocks 3.
  • the plurality of main circuit boards 1 are connected and wired through connectors 8.
  • a plurality of auxiliary circuit boards 2 are installed on a plurality of main circuit boards 1 in a one-to-one correspondence
  • a plurality of light guide blocks 3 are installed on the plurality of auxiliary circuit boards 2 in a one-to-one correspondence.
  • Multiple main circuit boards 1 are connected through connectors 8, and multiple light guide blocks 3 are provided to facilitate assembling the ambient lamp into a required shape.
  • multiple secondary circuit boards 2 are installed on the same main circuit board 1 .
  • multiple The light guide blocks 3 are installed on the plurality of secondary circuit boards 2 in one-to-one correspondence.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

本发明公开了一种氛围灯，包括：至少一主电路板(1)；至少一副电路板(2)，安装在主电路板(1)上并与主电路板(1)电连接，副电路板(2)上设有至少一光源结构(23)；至少一导光块(3)，设有至少一卡槽(4)，导光块(3)通过卡槽(4)卡在副电路板(2)上，导光块(3)具有至少一入光面(31)，入光面(31)与光源结构(23)相对设置。本发明的氛围灯，通过在导光块(3)上设置至少一与副电路板(2)相匹配的卡槽(4)，从而能将导光块(3)直接卡在副电路板(2)上，并使导光块(3)的入光面(31)能与副电路板(2)上的光源结构(23)相对应，从而利用导光块(3)引导光源结构(23)发出的光线按特定路径射出，结构简单，并且无需配合其他工装进行装夹和定位，也无需在导光块(3)上加工铆柱以及在副电路板(2)上开孔进行热铆，因此组装效率高，且成本低。

Description

氛围灯
相关申请
本申请要求专利申请号为202210777701.0、申请日为2022年07月04日、发明名称为“一种氛围灯”的中国发明专利的优先权。
技术领域
本发明涉及发光装置技术领域，特别地，涉及一种氛围灯。
背景技术
氛围灯是一种利用光源结合电路板实现不同亮度、灰度和颜色变化控制的发光装置。氛围灯可以安装在各种场合，如车辆上、建筑物上，使用范围广泛。通过导光块引导电路板上光源发出的光线按特定方向射出。
目前氛围灯在组装时，通过热铆的方式将导光块安装在电路板上，即导光块上设有一铆柱，电路板上设有一安装孔，将铆柱的一端穿过安装孔加热使其形成铆头，从而将导光块固定在电路板上，需要单独设置对应的热铆工装并配合热铆设备，成本高，且工序繁琐，组装效率低。
发明内容
本发明的目的是提供一种氛围灯，以解决目前氛围灯组装时需要通过热铆的方式将导光块安装在电路板上，导致成本高，工序繁琐，且组装效率低的技术问题。
本发明的上述目的可采用下列技术方案来实现：
本发明提供一种氛围灯，包括：至少一主电路板；至少一副电路板，安装在所述主电路板上并与所述主电路板电连接，所述副电路板上设有至少一光源结构；至少一导光块，设有至少一卡槽，所述导光块通过所述卡槽卡在所述副电路板上，所述导光块具有至少一入光面，所述入光面与所述光源结构相对设置。
本发明的特点及优点是：
本发明的氛围灯，通过在导光块上设置至少一与副电路板相匹配的卡槽，从而能将导光块直接卡在副电路板上，并使导光块的入光面能与副电路板上的光源结构相对应，从而利用导光块引导光源结构发出的光线按特定路径射出，结构简单，并且无需配合其他工装进行装夹和定位，也无需在导光块上加工铆柱以及在副电路板上开孔进行热铆， 因此组装效率高，且成本低。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本实施例中氛围灯的立体图。
图2为本实施例中氛围灯的另一视角的立体图。
图3为本实施例中氛围灯的侧视结构示意图。
图4为本实施例中导光块的结构示意图。
图5为本实施例中导光块的仰视示意图。
图6为本实施例中主电路板和副电路板的结构示意图。
图7为另一实施例中氛围灯的立体图。
图8为另一实施例中氛围灯的另一视角的立体图。
图9为另一实施例中导光块的结构示意图。
图10为另一实施例中主电路板和副电路板的结构示意图。
图中：
1、主电路板；11、安装槽；2、副电路板；21、安装块；22、焊脚；23、光源结构；
24、第一凹槽；25、第二凹槽；26、第三凹槽；27、第四凹槽；3、导光块；31、入光面；4、卡槽；41、卡爪；42、第一凸块；5、横向限位结构；51、横向限位槽；52、横向限位块；53、连接板；6、纵向限位结构；61、纵向限位槽；62、纵向限位块；621、导向斜面；622、限位斜面；7、支撑结构；71、第二凸块；8、连接器。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1和图7所示，本发明提供一种氛围灯，包括：至少一主电路板1；至少一副电路板2，安装在主电路板1上并与主电路板1电连接，副电路板2上设有至少一光源结构 23；至少一导光块3，设有至少一卡槽4，导光块3通过卡槽4卡在副电路板2上，导光块3具有至少一入光面31，入光面31与光源结构23相对设置。其中，为便于描述各个结构之间的位置关系，参照图1和图7中所示的方向进行描述，本发明中所述的高度方向为Z方向，长度方向为Y方向，宽度方向为X方向。
本发明的氛围灯，通过在导光块3上设置至少一与副电路板2相匹配的卡槽4，从而能将导光块3直接卡在副电路板2上，并使导光块3的入光面31能与副电路板2上的光源结构23相对应，从而利用导光块3引导光源结构23发出的光线按特定路径射出，结构简单，并且无需配合其他工装进行装夹和定位，也无需在导光块3上加工铆柱以及在副电路板2上开孔进行热铆，因此组装效率高，且成本低。
具体的，卡槽4的宽度略小于副电路板2的厚度。光源结构23包括多个LED颗粒。导光块3通过其入光面31接收多个LED颗粒发出的光线，该光线经过导光块3漫反射后按特定路径传递到氛围灯玻璃或其他透光件中。结合图2和图8所示，主电路板1上开设有安装槽11，副电路板2上设有安装块21，安装块21插设在安装槽11中，副电路板2通过多个焊脚22焊接固定于主电路板1上并电连接。主电路板1和副电路板2均为PCBA板。
如图4、图5以及图9所示，本发明的实施方式中，导光块3上设有至少一卡爪41以及至少一第一凸块42，第一凸块42与入光面31位于导光块3的同一侧，卡爪41与第一凸块42之间配合形成卡槽4。通过设置第一凸块42，使得入光面31与副电路板2之间具有用于安装光源结构23的空间，通过第一凸块42与卡爪41配合形成卡槽4，确保导光块3能卡紧固定在副电路板2上，并且导光块3与副电路板2之间在卡槽4的宽度方向上，也即副电路板2和导光块3的宽度方向X上，不会产生相对运动。
具体的，卡爪41和第一凸块42与导光块3为一体成型结构，易于加工。导光块3具有与副电路板2相对的入光侧面以及远离主电路板1并与侧面连接的顶面，入光面31和第一凸块42均位于导光块3的入光侧面上。卡爪41的固定端连接在导光块3的顶面上。卡爪41大体呈L型。
如图1和图7所示，本发明的实施方式中，导光块3与副电路板2之间设有横向限位结构5，横向限位结构5用于限制导光块3与副电路板2在卡槽4的长度方向上产生相对运动。卡槽4的长度方向即卡槽4的轴向，也即副电路板2和导光块3的长度方向Y。通过设置横向限位结构5，确保导光块3与副电路板2在卡槽4的长度方向上不会产生相对运动。
如图1、图5、图6、图7、图9以及图10所示，横向限位结构5包括横向限位块52和横向限位槽51，横向限位块52设置在副电路板2上并与横向限位槽51相匹配。导光块3包括 多个卡爪41。通过多个卡爪41与多个第一凸块42配合形成多个卡槽4，导光块3通过多个卡槽4卡在副电路板2上，使得导光块3安装更稳固。具体的，两个卡爪41沿副电路板2的长度方向间隔排布设置。
如图1、图5以及图6所示，本实施例中，相邻的两个卡爪41之间配合形成横向限位槽51，结构简单，易于加工。具体的，副电路板2的顶面切割形成第一凹槽24和第二凹槽25，使得第一凹槽24和第二凹槽25之间形成横向限位块52，两个卡爪41安装在第一凹槽24和第二凹槽25中。
如图7、图9以及图10所示，另一实施例中，相邻的两个卡爪41通过连接板53相连接，横向限位槽51开设在连接板53上。通过连接板53连接相邻的两个卡爪41还能使两个卡爪41的结构更稳定。具体的，连接板53连接在导光块3的顶面上。副电路板2的顶面切割形成第三凹槽26和第四凹槽27，使得第三凹槽26和第四凹槽27之间形成横向限位块52，两个卡爪41安装在第三凹槽26和第四凹槽27中。
如图1、图5、图6、图7、图9以及图10所示，导光块3相对于横向限位槽51的中心为非对称结构，副电路板2相对于横向限位块52的中心为非对称结构。通过将导光块3和副电路板2均设置为非对称结构，当导光块3从副电路板2上未安装光源结构23的一侧进行安装时，由于导光块3上的横向限位槽51无法与副电路板2上的横向限位块52相匹配，使得导光块3无法卡在副电路板2上，从而避免导光块3安装错误。
如图1、图5以及图6所示，本实施例中，第一凹槽24为台阶槽，第二凹槽25为三面开口槽，使副电路板2形成非对称结构。两个卡爪41相对于的导光块3的中心非对称设置，使导光块3形成非对称结构。
如图7、图9以及图10所示，另一实施例中，横向限位槽51靠近其中一卡爪41设置，使导光块3形成非对称结构。第三凹槽26和第四凹槽27均为台阶槽，但第三凹槽26沿副电路板2的长度方向Y延伸的尺寸大于第四凹槽27沿副电路板2的长度方向Y延伸的尺寸，使得副电路板2形成非对称结构。
如图1和图7所示，本发明的实施方式中，导光块3与副电路板2之间设有纵向限位结构6，纵向限位结构6用于限制副电路板2从卡槽4脱出。通过设置纵向限位结构6，使得导光块3向下卡在副电路板2上之后，导光块3与副电路板2无法在高度方向Z上产生相对位移，因此，副电路板2不会从卡槽4脱出。
如图1、图5、图6、图7、图9以及图10所示，纵向限位结构6包括纵向限位块62和纵向限位槽61，卡爪41具有与副电路板2相对的内侧面，纵向限位块62设置卡爪41的内侧 面上，纵向限位槽61设置在副电路板2上并与纵向限位块62相匹配。导光块3与副电路板2组装到位之后，通过卡槽4的槽底面限制导光块3相对于副电路板2向下移动，通过纵向限位块62限制导光块3相对于副电路板2向上移动。具体的，副电路板2上的各种槽结构均是从副电路板2上的边沿部位切割形成，而无需再中间部位进行开孔或开槽，易于加工和制造。
如图3、图5、图7以及图9所示，纵向限位块62上设有导向斜面621，导向斜面621沿导光块3的安装方向(也即沿方向Z向下)向卡槽4的外侧倾斜设置。导光块3向下卡在副电路板2上时，通过导向斜面621引导副电路板2穿过纵向限位块62卡入卡槽4中，进而使纵向限位块62卡入副电路板2上的纵向限位槽61中。
如图3所示，本实施例中，纵向限位块62上还设有限位斜面622，限位斜面622沿纵向限位块62的卡入方向向纵向限位槽61的内侧倾斜设置。纵向限位块62沿副电路板2的厚度方向卡入纵向限位槽61内，通过设置限位斜面622，使得纵向限位块62与纵向限位块62之间存在一定的高度差时也能确保纵向限位块62与纵向限位槽61过盈配合，从而限制导光块3无法上移。
如图3和图7所示，本发明的实施方式中，导光块3上设有支撑结构7，支撑结构7沿导光块3的安装方向与主电路板1抵接。通过主电路板1对导光块3进行支撑，从而提高导光块3的安装稳定性，避免导光块3翻转。
如图5和图9所示，支撑结构7包括多个第二凸块71，多个第二凸块71相对于导光块3的重心对称设置。具体的，支撑结构7包括两个第二凸块71。第二凸块71大体呈圆柱状结构。第二凸块71一体成型于导光块3上与主电路板1相对的底面上。
副电路板2和主电路板1之间的布设角度不具体限定，如图1和图7所示，本发明的实施方式中，副电路板2具有相对的第一端和第二端，副电路板2的第一端与主电路板1连接并垂直设置，导光块3通过卡槽4从副电路板2的第二端卡在副电路板2上。副电路板2能够更稳固地安装在主电路板1上，并且副电路板2不易与主电路板1上的其他电子元件发生干涉。
如图1所示，本实施例中，氛围灯包括多个主电路板1、多个副电路板2以及多个导光块3，多个主电路板1之间通过连接器8连接并导通，多个副电路板2一一对应地安装在多个主电路板1上，多个导光块3一一对应地安装在多个副电路板2上。通过连接器8将多个主电路板1连接，并设置多个导光块3，便于将氛围灯组装成所需的形状。
如图7和图10所示，另一实施例中，多个副电路板2安装在同一主电路板1上。多个 导光块3一一对应地安装在多个副电路板2上。
以上所述仅为本发明的几个实施例，本领域的技术人员依据申请文件公开的内容可以对本发明实施例进行各种改动或变型而不脱离本发明的精神和范围。

Claims (12)

  1. 一种氛围灯，其中，包括：
    至少一主电路板；
    至少一副电路板，安装在所述主电路板上并与所述主电路板电连接，所述副电路板上设有至少一光源结构；
    至少一导光块，设有至少一卡槽，所述导光块通过所述卡槽卡在所述副电路板上，所述导光块具有至少一入光面，所述入光面与所述光源结构相对设置。
  2. 如权利要求1所述的氛围灯，其中，
    所述导光块上设有至少一卡爪以及至少一第一凸块，所述第一凸块与所述入光面位于所述导光块的同一侧，所述卡爪与所述第一凸块之间配合形成所述卡槽。
  3. 如权利要求2所述的氛围灯，其中，
    所述导光块与所述副电路板之间设有横向限位结构，所述横向限位结构用于限制所述导光块与所述副电路板在所述卡槽的长度方向上产生相对运动。
  4. 如权利要求3所述的氛围灯，其中，
    所述横向限位结构包括横向限位块和横向限位槽，所述横向限位块设置在所述副电路板上并与所述横向限位槽相匹配；所述导光块包括多个所述卡爪；相邻的两个所述卡爪之间配合形成横向限位槽；或者相邻的两个所述卡爪通过连接板相连接，所述横向限位槽开设在所述连接板上。
  5. 如权利要求4所述的氛围灯，其中，
    所述导光块相对于所述横向限位槽的中心为非对称结构，所述副电路板相对于所述横向限位块的中心为非对称结构。
  6. 如权利要求2所述的氛围灯，其中，
    所述导光块与所述副电路板之间设有纵向限位结构，所述纵向限位结构用于限制所述副电路板从所述卡槽脱出。
  7. 如权利要求6所述的氛围灯，其中，
    所述纵向限位结构包括纵向限位块和纵向限位槽，所述卡爪具有与所述副电路板相对的内侧面，所述纵向限位块设置所述卡爪的内侧面上，所述纵向限位槽设置在所述副电路板上并与所述纵向限位块相匹配。
  8. 如权利要求7所述的氛围灯，其中，
    所述纵向限位块上设有导向斜面和限位斜面，所述导向斜面沿所述导光块的安装方向向所述卡槽的外侧倾斜设置，所述限位斜面沿所述纵向限位块的卡入方向向所述纵向限位槽的内侧倾斜设置。
  9. 如权利要求1所述的氛围灯，其中，
    所述导光块上设有支撑结构，所述支撑结构沿所述导光块的安装方向与所述主电路板抵接。
  10. 如权利要求9所述的氛围灯，其中，
    所述支撑结构包括多个第二凸块，多个所述第二凸块相对于所述导光块的重心对称设置。
  11. 如权利要求1所述的氛围灯，其中，
    所述副电路板具有相对的第一端和第二端，所述副电路板的第一端与所述主电路板连接并垂直设置，所述导光块通过所述卡槽从所述副电路板的第二端卡在所述副电路板上。
  12. 如权利要求1所述的氛围灯，其中，
    所述氛围灯包括多个所述主电路板、多个副电路板以及多个导光块，多个所述主电路板之间通过连接器连接并导通，多个所述副电路板一一对应地安装在多个所述主电路板上，多个所述导光块一一对应地安装在多个所述副电路板上。
PCT/CN2023/104349 2022-07-04 2023-06-30 氛围灯 WO2024007973A1 (zh)

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