Rear fog lamp and reversing lamp multiplexing photoelectric integrated device

Abstract

The utility model belongs to the field of automobile light accessories, and particularly relates to a rear fog lamp and reversing lamp multiplexing photoelectric integrated device which comprises a lens, a PCBA board card, a radiator and LED lamp beads. The lens is fixed on one surface of the PCBA board card through thermal riveting or bonding, and the other surface of the PCBA board card is bonded or riveted with the radiator through screws; the LED lamp beads are evenly distributed on the PCBA board card, and the arrangement positions of the LED lamp beads correspond to the positions of the lens. The PCBA board card is electrically connected with the lens, the radiator and the LED lamp beads so as to achieve control over the device. According to the utility model, the multiplexing module of the rear fog lamp and the backup lamp is realized by combining the red and white LEDs with the multiplexing of the lens.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile light accessories, specifically a back fog lamp and reversing lamp multiplexing photoelectric integrated device. BACKGROUND

[0002] At present, in the design of automobile lamps, LED light sources are basically used in the design of signal lamps. Because LED light sources are small in size and high in brightness, they can provide more design schemes for lamps in engineering. Rear fog lamps and reversing lamps are signal lamps required by regulations, and the two lamps are usually integrated with a return reflector or have an independent narrow area in the tail lamp;

[0003] In the above-mentioned design scheme of the existing automobile rear fog lamp and reversing lamp, two sets of light distribution components and two sets of circuit board assemblies are required, which not only greatly increases the product cost and complicated wiring, but also occupies the area of two lamps on the car. At the same time, when the module patch is pasted, the corresponding red and white LEDs need to be pasted to realize, and the free control of light color cannot be realized. INVENTION CONTENTS

[0004] The utility model aims at providing a back fog lamp and reversing lamp multiplexing photoelectric integrated device, which does not need to power specific red or white LEDs and can realize two functions of one module, to overcome the problem of high cost and large area occupation caused by the mode of two sets of light distribution components and two sets of circuit board assemblies.

[0005] The utility model adopts the technical scheme of realizing the above-mentioned purpose: a back fog lamp and reversing lamp multiplexing photoelectric integrated device, comprising: a light distribution mirror, a PCBA board card, a radiator and LED lamp beads;

[0006] The light distribution mirror is fixed on one side of the PCBA board card by hot tenon or adhesion, and the other side of the PCBA board card is adhesively or screwedly connected with the radiator;

[0007] The LED lamp beads are multiple, uniformly arranged on the PCBA board card, and the arrangement position corresponds to the light distribution mirror;

[0008] The PCBA board card is electrically connected with the light distribution mirror, the radiator and the LED lamp beads respectively to realize the control of the device.

[0009] The light distribution mirror comprises a lens barrel, a total reflection lens and a compound eye lens arranged in the lens barrel;

[0010] The lens barrel is fixed on the PCBA board card by hot tenon or adhesion, and the total reflection lens is embedded at the entrance of the lens barrel, which is parallel to the PCBA board card to collect parallel light generated by the LED lamp beads. The compound eye lens is arranged at the light outlet of the lens barrel;

[0011] The total reflection lens is arranged in parallel and coaxially with the compound eye lens.

[0012] The total reflection lens and the compound eye lens are PC lenses or PMMA injection molded lenses.

[0013] The dispersion angle range of the compound eye lens is 0-±45° horizontally and 0-±10° vertically.

[0014] The relative light intensity value of the compound eye lens is set to 1 at 0-±10° horizontally, the relative light intensity value at 30°±2° horizontally is greater than 0.3, and the relative light intensity value at 45°±2° horizontally is greater than 0.15.

[0015] The relative light intensity value of the compound eye lens is set to 1 at 0-±10° vertically.

[0016] The PCBA board comprises a circuit board, a light source driving module and a main controller which are attached to the circuit board through reflow soldering.

[0017] The main controller is connected with the LED lamp beads through the light source driving module, so that the LED light source is started through the light source driver.

[0018] The front surface of the circuit board is provided with the main controller, the light source driving module and the LED lamp beads, and the back surface is bonded or riveted with the heat sink.

[0019] The heat sink comprises heat dissipation fins and a heat dissipation main plate.

[0020] The heat dissipation fins are in the form of aluminum rods, and the heat dissipation main plate is in the form of an aluminum plate.

[0021] The heat dissipation fins are arranged on one side of the heat dissipation main plate in the form of an integral structure, and the other side of the heat dissipation main plate is bonded or riveted with the circuit board of the PCBA board card (2) to realize heat dissipation of the PCBA board card (2) through heat exchange with air.

[0022] The LED lamp beads are provided with three groups of lamp bead groups.

[0023] Each group of lamp bead groups comprises red light LEDs for reversing and white light LEDs for fog lamps which are closely arranged side by side and connected with the light source driving module.

[0024] The utility model has the following beneficial effects and advantages:

[0025] 1. The utility model utilizes red and white color LEDs in combination with a light distribution lens to realize a multiplexing module of a rear fog lamp and a reversing lamp.

[0026] 2. The present invention does not require two sets of light distribution components and two sets of circuit board assemblies during development. It only needs to power on a specific red or white LED and can realize the free control of two functions of one module.

[0027] 3. Through the design of the rear fog lamp and reversing lamp module of the present invention, the volume of the two lamps can be compressed to a minimum, and the length, width and thickness are usually within 50*20*60mm, which brings great convenience to the design of the lamps.

[0028] 4. The utility model has a simple structure and an extremely simple manufacturing process, which significantly reduces the development and production costs and is suitable for mass production. It can be used in various vehicles and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic structural diagram of a photoelectric integrated device for multiplexing rear fog and reversing lights according to Example 1 of the present utility model;

[0030] Figure 2 A schematic structural diagram of a rear fog lamp and reversing lamp multiplexing optoelectronic integrated device according to another embodiment 2 of the present invention;

[0031] Among them, 1 is the light distribution mirror, 2 is the PCBA board, 3 is the heat sink, 4 is the light distribution mirror positioning column, and 5 is the positioning card slot. DETAILED DESCRIPTION

[0032] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0033] Example 1:

[0034] like Figure 1 The figure is a schematic diagram of the structure of Example 1. This embodiment adopts the projection principle of the light source. This embodiment is a photoelectric integrated device for multiplexing rear fog lamps and reversing lamps, including: a photometric lens 1, a PCBA board 2, a heat sink 3 and LED lamp beads;

[0035] The light distribution mirror 1 is fixed to one side of the PCBA board 2 by heat mortise or bonding, and the other side of the PCBA board 2 is bonded or riveted to the heat sink 3;

[0036] The LED lamp beads are all arranged on the PCBA board 2, and the setting position corresponds to the light distribution mirror 1;

[0037] The PCBA board 2 is electrically connected to the light distribution lens 1, the heat sink 3 and the LED lamp beads respectively to realize the control of the device.

[0038] The light distribution mirror 1 comprises: a lens barrel, a total reflection lens and a fly-eye lens arranged in the lens barrel;

[0039] The lens barrel is fixed on the PCBA board card 2 through thermal tenon or bonding, and a total reflection lens is embedded at the entrance of the lens barrel, which is parallel to the PCBA board card 2 to collect parallel light generated by the LED lamp bead, and a compound eye lens is arranged at the light exit of the lens barrel.

[0040] The total reflection lens and the compound eye lens are arranged in parallel and coaxially.

[0041] The total reflection lens and the compound eye lens are both PC lenses or PMMA injection molded lenses.

[0042] The dispersion angle range of the compound eye lens is 0-±45° horizontally and 0-±10° vertically.

[0043] The relative light intensity value of the compound eye lens is set to 1 at 0°-±10° horizontally, the relative light intensity value at 30°±2° horizontally is greater than 0.3, and the relative light intensity value at 45°±2° horizontally is greater than 0.15.

[0044] The relative light intensity value of the compound eye lens is set to 1 at 0°-±10° vertically.

[0045] The PCBA board card 2 comprises a circuit board, a light source driving module and a main controller which are attached to the circuit board by reflow soldering.

[0046] The main controller is connected with the LED lamp bead through the light source driving module to start the LED light source through the light source driver.

[0047] The front surface of the circuit board is provided with the main controller, the light source driving module and the LED lamp bead, and the back surface is bonded or riveted with the heat sink 3.

[0048] The heat sink 3 comprises heat dissipation fins and a heat dissipation main plate.

[0049] The heat dissipation fins are in the form of aluminum rods, and the heat dissipation main plate is in the form of an aluminum plate.

[0050] The heat dissipation fins are evenly arranged on one side of the heat dissipation main plate and are integrally formed with the heat dissipation main plate by welding, and the other side of the heat dissipation main plate is bonded or riveted with the back surface of the circuit board of the PCBA board card 3 to realize heat dissipation of the PCBA board card 2 through heat exchange with air.

[0051] The LED lamp bead is provided with three groups of lamp bead groups.

[0052] Each group of lamp bead groups comprises red light LEDs for reversing and white light LEDs for fog lamps which are closely arranged side by side and connected with the light source driving module.

[0053] The working principle of the embodiment 1 is as follows:

[0054] The light distribution mirror 1 is assembled on the PCBA board card 2 by means of heat pressing or bonding, and then the back of the overall PCBA board card 2 and the heat sink 3 are bonded to achieve heat dissipation of the PCBA board card 2. During use, only the module needs to be embedded in the designed position, and then the main controller can be used to control the light source driving module to light different color LEDs to realize the functions of the rear fog lamp and the reversing lamp of the automobile.

[0055] Embodiment 2:

[0056] In another embodiment of the utility model, the embodiment 2 adopts the reflection principle of the light source, and the embodiment is a side reflection rear fog lamp and reversing lamp multiplexing photoelectric integrated device, which comprises a light distribution mirror 1, a PCBA board card 2 and LED lamp beads;

[0057] The light distribution mirror 1 is a PC lens or a PP injection molded lens, and the surface of the lens is electroplated with a high reflective film layer; in the embodiment, the surface is electroplated with an aluminum film. The surface of the light distribution mirror is designed as a scale armor type reflective optical surface, the scattering angle range of which is 45 degrees horizontally, 10 degrees vertically, and the relative light intensity value is 1 at 0 degree to ± 10 degrees horizontally; the relative light intensity value is greater than 0.3 at 30 degrees ± 2 degrees; and the relative light intensity value is greater than 0.15 at 45 degrees ± 2 degrees. The relative light intensity value is 1 at 0 degree to ± 10 degrees vertically.

[0058] In the embodiment, the light distribution mirror 1 is provided with a light distribution mirror positioning column 4 and a positioning clamping groove 5; the light distribution mirror positioning column 4 can be screwed with the lamp shell to realize quick assembly and disassembly of the module; and the positioning clamping groove realizes assembly between the PCBA board card 2 and the shell of the light distribution mirror 1.

[0059] In actual application, the module only needs to be embedded in the specified position through the light distribution mirror positioning column 4 to realize the functions of the rear fog lamp and the reversing lamp.

[0060] Secondly, the PCBA board card 2 comprises a circuit board, a light source driving module and a main controller which are attached to the circuit board through reflow soldering;

[0061] Six LED lamp beads are evenly and equidistantly welded on the PCBA board card 2, and the volume of each LED lamp bead is less than 3*2 mm; the main controller on the PCBA board card 2 is connected with the LED lamp beads through the light source driving module to start the LED light source through the light source driver.

[0062] The front surface of the circuit board is provided with the main controller, the light source driving module and the LED lamp beads, and the back surface is clamped to the outer shell of the light distribution mirror 1 through the positioning clamping groove 5.

[0063] The working principle of the embodiment 2 is as follows:

[0064] PCBA board card 2 is assembled by inserting into the positioning card slot 5 of the light distribution lens 1, and is assembled by screwing the light distribution lens positioning column 3 on the light distribution lens 1 with the lamp shell. In the process of use, only the module needs to be embedded in the designed position to realize the two functions of rear fog lamp and reversing lamp by lighting different color LEDs.

[0065] Those skilled in the art can understand that the above description is only preferred embodiments of the present application, and the features described in various embodiments and / or claims of the present application can be combined or combined, even if such combination or combination is not explicitly described in the present application. It is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A rear fog lamp and backup lamp multiplexing photoelectric integrated device, characterized in that, The utility model relates to a light distribution lens (1), PCBA board card (2), radiator (3) and LED lamp pearl, the light distribution lens (1) is fixed on one side of PCBA board card (2) through hot tenon or bonding, and the other side of PCBA board card (2) is bonded or riveted with radiator (3), the LED lamp pearl has multiple, is uniformly arranged on PCBA board card (2), and the setting position corresponds with light distribution lens (1), PCBA board card (2) is electrically connected with light distribution lens (1), radiator (3) and LED lamp pearl respectively to realize the control of device. The light distribution lens (1) comprises a lens barrel, a total reflection lens and a compound eye lens arranged in the lens barrel, the lens barrel is fixed on the PCBA board card (2) through hot tenon or bonding, the total reflection lens is embedded at the entrance of the lens barrel, the total reflection lens is parallel to the PCBA board card (2) to collect parallel light generated by the LED lamp pearl, the compound eye lens is arranged at the light outlet of the lens barrel, the total reflection lens and the compound eye lens are parallel and coaxial. The total reflection lens and the compound eye lens are PC lenses or PMMA injection molded lenses. The dispersion angle range of the compound eye lens is 0-45° horizontally and 0-10° vertically, the relative light intensity value of the compound eye lens is 1 at 0-10° horizontally and vertically, the relative light intensity value at 30°±2° horizontally is greater than 0.3, and the relative light intensity value at 45°±2° horizontally is greater than 0.

15. The relative light intensity value of the compound eye lens is 1 at 0-10° vertically.

2. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 1, characterized in that, The PCBA board card (2) comprises a circuit board, a light source driving module and a main controller attached to the circuit board through reflow soldering, the main controller is connected with the LED lamp pearl through the light source driving module to start the LED light source through the light source driver, the front surface of the circuit board is provided with the main controller, the light source driving module and the LED lamp pearl, and the back surface is bonded or riveted with the radiator (3). The radiator (3) comprises heat dissipation fins and a heat dissipation main plate, the heat dissipation fins are in the form of aluminum rods, and the heat dissipation main plate is in the form of an aluminum plate, the heat dissipation fins are arranged on one side of the heat dissipation main plate in a distributed manner and are integrally formed with the heat dissipation main plate through welding, and the other side of the heat dissipation main plate is bonded or riveted with the circuit board of the PCBA board card (2) to dissipate heat from the PCBA board card (2) through heat exchange with air. The LED lamp pearl comprises three groups of lamp beads, each group of lamp beads comprises red light LEDs for reversing and white light LEDs for fog lamps which are arranged in parallel and close to each other and are connected with the light source driving module.

3. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 2, characterized in that, ​ 4. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 2, characterized in that, ​ ​ ​ 5. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 1, characterized in that, ​ ​ ​ 6. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 1, characterized in that, ​ ​ ​ 7. The photoelectric integrated device for multiplexing rear fog lamp and backup lamp according to claim 1, characterized in that, ​ ​

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