Combined signal lamp mounting structure and combined signal lamp

Abstract

The utility model relates to a combined signal lamp mounting structure and a car lamp. The combined signal lamp mounting structure mainly comprises a thick-wall inner mirror 1, a reflecting mirror 2, a fixing support 3, a combined PCBA circuit board 4, a lamp shell 5 and an outer lens 6. The combined PCBA circuit board 4 comprises a plurality of circuit boards, the circuit boards are fixed between the reflecting mirror 2 and the fixing support 3 side by side at certain intervals, an assembly formed by assembling the thick-wall inner mirror 1 and the reflecting mirror 2 is fixed to the lamp shell 5, and the lamp shell 5 is connected with the outer lens 6 in a sealed mode. A plurality of reflecting cavities 8 are arranged on the reflecting mirror 2, a thick-wall piece is arranged on the thick-wall inner mirror 1, light emitted by the LED light source on the circuit board is reflected by the reflecting mirror 2 and then penetrates through the thick-wall inner mirror 1 and the outer lens 6, and the functions of a position lamp, a steering lamp and other car lamps are achieved. The problem that a plurality of PCBA circuit boards are difficult to assemble due to space limitation is solved, the number of automobile lamp parts and installation procedures are reduced, the production cost is successfully reduced, and the lightening effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, in particular to a combination signal lamp installation structure and a combination signal lamp. Background Art

[0002] Amidst increasingly fierce competition in the domestic and international passenger vehicle markets, particularly the explosive growth of electric vehicles in recent years, passenger vehicle manufacturers are engaging in a fierce price war, placing immense cost pressures on the entire automotive supply chain from top to bottom. This reality forces automotive lighting suppliers to not only meet basic functional and regulatory requirements but also maintain cost control when developing their lighting products.

[0003] Traditional signal light installation structure such as Figure 1 As shown, a large PCB is secured to the bracket using four screws and two positioning posts. This mounting structure not only requires a large number of components but also requires a relatively complex assembly process, resulting in higher product costs. Furthermore, this mounting structure is not suitable for signal lights with multiple PCBs.

[0004] To this end, the inventors attempted to develop a new combination signal light installation structure, which achieved multiple goals such as reducing product costs, simplifying production processes, and improving lighting effects while ensuring assembly stability and optical performance. Utility Model Content

[0005] The present utility model aims to overcome the aforementioned problems existing in existing vehicle lighting products by providing a combination signal light mounting structure, comprising a thick-walled inner mirror 1, a reflector 2, a fixing bracket 3, and a combination PCBA circuit board 4. The combination PCBA circuit board 4 comprises N (N≥2) PCBA circuit boards, which are fixed between the reflector 2 and the fixing bracket 3 in an arrangement arranged vertically or side by side at a certain distance. The thick-walled inner mirror 1 is fixedly connected to the reflector 2, and the reflector 2 is provided with N reflective cavities 8, which are matched one-to-one with the PCBA circuit boards. The reflective cavities 8 face the light-emitting surfaces of the thick-walled inner mirror 1 and are used to directionally reflect light emitted by the LED light source on the PCBA circuit board and pass it through the thick-walled inner mirror 1, thereby realizing the corresponding vehicle lighting function.

[0006] Furthermore, the thick-walled interior mirror 1 comprises a thick-walled member, a step being provided on the light-entering surface of the thick-walled member, and a light-emitting surface of the thick-walled member being divided into a plurality of parallel light-emitting surfaces by a groove, with the number of light-emitting surfaces being ≤ N. This design is primarily designed to accommodate the fact that some headlight functions do not require thick walls, and also to reduce the volume of the thick-walled member and save costs.

[0007] Furthermore, N groups of limiting grooves are provided on the two opposite sides of the reflector 2 and the fixing bracket 3, and limiting ribs are provided in the limiting grooves. The two ends of each PCBA circuit board are respectively fixed in a group of limiting grooves and pressed by the limiting ribs.

[0008] Furthermore, the value of N is 4, and the corresponding combination signal light has 4 lit light-emitting surfaces.

[0009] Furthermore, the combination signal lamp mounting structure also includes a lamp housing 5 and an outer lens 6. The assembly composed of a thick-walled inner mirror, a reflector, a fixing bracket, and a combined PCBA circuit board is fixed on the lamp housing 5. The lamp housing 5 and the outer lens 6 are sealed and fixedly connected, thereby realizing the packaging of the entire lamp.

[0010] The second purpose of the present utility model is to provide a combination signal light with the above-mentioned installation structure, which can realize the functions of a series of vehicle lights such as position lights and turn signals by utilizing these PCBA circuit boards arranged side by side horizontally or vertically.

[0011] Compared with existing similar products or technologies, the utility model utilizes a relatively simple installation structure to achieve reliable fixation of multiple circuit boards, and realizes multiple headlight functions and unique lighting effects through the specific layout and arrangement of the circuit boards. It has the advantages of simple structure, easy assembly, and low cost. It not only meets regulatory requirements, but also meets the strict requirements of the main manufacturers for headlight functions, styling, and costs. It is expected to generate good economic benefits after mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the installation structure of a traditional signal light.

[0013] Figure 2 This is an exploded schematic diagram of the mounting structure of the combined signal light of the present invention.

[0014] Figure 3 A partial schematic diagram of the reflector.

[0015] Figure 4 This is a partial front view of the installation structure of the combined signal lamp of the present invention.

[0016] Figure 5 for Figure 4 AA section view.

[0017] Among them: 1-thick-walled inner mirror, 2-reflector, 3-fixing bracket, 4-combined PCBA circuit board, 5-lamp housing, 6-outer lens, 7-screw, 8-reflector cavity. DETAILED DESCRIPTION

[0018] In order to enable ordinary technicians in this field to fully understand the technical solutions and beneficial effects of the utility model, further description is given below in conjunction with specific embodiments and drawings.

[0019] like Figure 2 The illustrated combination signal light mounting structure comprises, from the inside out, a lamp housing 5, a fixing bracket 3, a PCBA circuit board 4, a reflector 2, a thick-walled inner lens 1, and an outer lens 6. The PCBA circuit board 4 is horizontally fixed between the reflector 2 and the fixing bracket 3. The reflector 2 and the fixing bracket 3 are secured together with locating pins and screws 7 to form an assembly. The thick-walled inner lens 1 is then assembled with the assembly and fixed to the lamp housing 5 with locating pins and screws 7. The outer lens 6 is bonded or welded to the lamp housing 5 to encapsulate the entire lamp.

[0020] The number of assembled PCBA circuit boards 4 is four (this number can be increased or decreased depending on the situation). They are horizontally fixed between the reflector 2 and the fixed bracket 3 in layers from top to bottom. The specific fixing method is as follows: four sets of limit grooves are set from top to bottom on the right side of the reflector 2, and each set of limit grooves is provided with a limit rib. The left side of the fixed bracket 3 is provided with a matching limit groove and limit rib. The left and right ends of these special-shaped PCBA circuit boards are respectively clipped into the limit grooves of the reflector 2 and the fixed bracket 3 and compressed by the limit rib, thereby achieving a synchronous and parallel fixed connection of multiple PCBA circuit boards. The surface of each PCBA circuit board is provided with an LED light source, which uses side-emitting light to realize the corresponding function when powered on.

[0021] like Figure 2 and Figure 5 As shown, although there is only one reflector 2, four rows of reflective cavities 8 are arranged from top to bottom. Each row of reflective cavities 8 corresponds to a PCBA circuit board, which is used to directionally reflect the light emitted by the LED light source on the PCBA circuit board.

[0022] like Figure 2-5 As shown, the thick-walled inner mirror 1 is mainly made of transparent plastic injection molding, including the inner mirror and the thick-walled part fixed in the middle of the inner mirror. A step ( Figure 5 ), three (the number may be increased or decreased depending on the situation) equally spaced rectangular light-emitting surfaces are formed on the front of the thick-walled part from top to bottom, and a groove is formed between two adjacent light-emitting surfaces. In one embodiment, a separate light-emitting surface is further provided below the thick-walled part in the interior mirror.

[0023] This combination signal light can realize the functions of position light, turn signal light, etc. Its lighting principle is as follows: Figure 5When powered on, the LEDs on the four stacked circuit boards emit light. Each group of light is fully reflected by the four reflective cavities 8 on the reflector before passing through the inner thick-walled light distribution mirror 1 and the outer lens 6. The upper three groups of light are refracted by the thick-walled components on the inner thick-walled light distribution mirror 1 and pass through the outer lens 6 to realize the corresponding lighting functions. The lower group of light directly passes through the outer lens 6 to realize other lighting functions.

Claims

1. A combination signal light installation structure, characterized by: The mounting structure includes a thick-walled inner mirror, a reflector, a fixing bracket, and a combined PCBA circuit board. The combined PCBA circuit board includes N PCBA circuit boards, which are dispersed and fixed between the reflector and the fixing bracket in an up-and-down or left-and-right side-by-side arrangement. The thick-walled inner mirror is fixedly connected to the reflector, and N reflecting cavities matching the PCBA circuit boards are provided on the reflector. The reflecting cavities are directly opposite to each light-emitting surface of the thick-walled inner mirror, where N is greater than or equal to 2.

2. The mounting structure according to claim 1, wherein: The thick-walled interior mirror comprises a thick-walled part, a light incident surface of the thick-walled part is provided with a step, and a light emitting surface of the thick-walled part is divided into a plurality of parallel light emitting surfaces by a groove, and the number of light emitting surfaces is ≤N.

3. The mounting structure according to claim 1, wherein: N groups of limiting grooves are set on the two opposite sides of the reflector and the fixed bracket, and limiting ribs are set in the limiting grooves. The two ends of each PCBA circuit board are fixed in a group of limiting grooves and pressed by the limiting ribs.

4. The mounting structure according to any one of claims 1 to 3, wherein: The value of N is 4.

5. The mounting structure according to claim 1, wherein: The mounting structure also includes a lamp housing and an outer lens. An assembly consisting of a thick-walled inner mirror, a reflector, a fixing bracket, and a combined PCBA circuit board is fixed on the lamp housing, and the lamp housing is sealed and fixedly connected to the outer lens.

6. A combination signal light, characterized by: The combination signal lamp is equipped with the mounting structure according to claim 1 .

7. The combination signal lamp according to claim 6, wherein: The combination signal light includes a position light and a turn signal light.

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