Atmosphere lamp in car door handle nest

Abstract

The utility model discloses an atmosphere lamp in an automobile door handle nest, which relates to the technical field of automobile lamp equipment and comprises an optical lens, a PCBA (printed circuit board assembly) lamp panel, mottle light holes and a microprism array. The front cover and the outer wall of the optical lens are designed to be in a door handle nest shape, and it is guaranteed that the light source is attached to the surface of the front cover to emit light; the staggered visual effect of a real starry sky is simulated through the design of mottle light holes which are non-uniformly distributed; the product is small in size and compatible with narrow cavities of door handles of mainstream vehicle models, and the assembly process is simplified; the non-uniform mottle light holes and the LEDs are correspondingly designed in a staggered mode, and compared with a traditional uniform aperture scheme, the visual sense of reality of a user is improved; structurally, the PCBA lamp panel is placed below the optical lens in the lamp instead of being arranged on the side face of the handle, so that space occupation of the side face is reduced, and space arrangement is facilitated due to the fact that the glass elevator can interfere with the side face.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile lamp equipment, specifically to an atmosphere lamp in the automobile door handle pocket. BACKGROUND

[0002] With the increasing demand for personalized configuration in the automobile consumption market, starry sky effect atmosphere lamps have gradually become one of the symbolic configurations of medium and high-end vehicles. The automobile starry sky effect atmosphere lamp simulates the starry sky through projection technology, enhancing the romantic atmosphere inside the vehicle; the automobile starry sky effect atmosphere lamp is a decorative lamp that simulates the starry sky effect inside the vehicle through optical fiber technology, projection or LED technology, and is commonly used in original configuration or later modification of high-end vehicles, creating a romantic and dreamy driving atmosphere.

[0003] However, the starry sky effect atmosphere lamp is generally used for large-sized roof decoration inside the vehicle and cannot be applied to the handle inside the vehicle; the current automobile door handle light scheme has the technical limitation of single light effect, usually one or more single white light beads, directly lighting or breathing dimming, which can only provide the function of illuminating the handle area and cannot provide vehicle information display or mood guidance.

[0004] For example, the above-mentioned problems exist in the patent (CN222703142U); which records "a hidden atmosphere lamp, including a shell, a circuit board, an inner lens and an outer lens, the outer lens and the shell form a containing cavity, the circuit board and the inner lens are located in the containing cavity, the inner lens is located between the circuit board and the outer lens, and the circuit board is provided with a light source, the outer surface of the outer lens is provided with a translucent layer, the inner surface of the outer lens is provided with a hollow layer, and the outer surface of the inner lens is provided with a first pattern, when the circuit board controls the light source to emit light, the light is reflected and refracted through the first pattern on the inner lens, and forms a plurality of high-brightness light beams with different intensities, part of the high-brightness light beams are transmitted through the hollow area of the hollow layer, and a light effect similar to the brilliant starry sky is obtained", the hidden atmosphere lamp in the above-mentioned patent is mainly used for the inner roof position of the automobile, the inner lens and the outer lens are both flat structures, which can only be used on flat structures in general, and are not suitable for the special arc surface modeling of the automobile handle, and cannot be well applied to the curved modeling of the automobile handle inside.

[0005] In view of the above-mentioned problems that the starry sky effect atmosphere lamp is generally used for large-sized roof decoration inside the vehicle and is not suitable for the special arc surface modeling of the automobile handle, and cannot be applied to the handle inside the vehicle, and the current automobile door handle light scheme usually has one or more single white light beads, directly lighting or breathing dimming, which can only provide the function of illuminating the handle area, we propose an atmosphere lamp in the automobile door handle pocket. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of atmosphere lamp in automobile door handle nest, to solve the problem presented in the above background art.

[0007] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of atmosphere lamp in automobile door handle nest, including front cover, back cover, optical lens and PCBA lamp plate, the optical lens and PCBA lamp plate are all located between front cover and back cover, the front cover outer wall side away from optical lens is door handle nest modeling, the optical lens outer wall side away from PCBA lamp plate is attached with the inner wall of front cover, the front cover outer surface is equipped with several uneven distribution's macula light transmission hole, the optical lens outer wall side close to PCBA lamp plate is equipped with micro-prism array.

[0008] Further, the optical lens is located above the PCBA lamp plate, and the PCBA lamp plate is fixedly connected with the back cover.

[0009] Further, the front cover outer surface is provided with a PVD aluminum plating layer, and the macula light transmission hole is arranged on the surface of the PVD aluminum plating layer.

[0010] Further, the inner diameter of the circumscribed circle of the prism unit of the micro-prism array is 0.4-0.6 mm, and the top angle of the prism unit is 40-55°.

[0011] Further, the front cover is fixed on the door handle skeleton by buckling and screwing.

[0012] Further, the front cover and the back cover are connected by screws to form a sealed cavity, and the sealed cavity is filled with a glue filling layer, and the glue filling layer wraps the edges of the PCBA lamp plate and the optical lens.

[0013] Further, the PCBA lamp plate is provided with a pixel-level brightness control module and a plurality of LED light sources, each LED light source corresponds to a pixel unit, the LED light source is correspondingly arranged with the macula light transmission hole, and each LED light source corresponds to 4-6 macula light transmission holes.

[0014] Further, the pixel-level brightness control module includes a communication chip, a power supply chip, a main control chip and an LED driving chip, the communication chip is respectively connected with the power supply chip, the main control chip and the LED driving chip, the power supply chip is respectively connected with the communication chip, the main control chip and the LED driving chip, and the LED driving chip is connected with the LED light source for driving control.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. The utility model discloses a front cover and optical lens outer wall design is with door handle nest modeling, guarantees the front cover and optical lens lamination light transmission, guarantees the light source on the front cover surface carries out lamination light emission, through the design of non-uniform distribution's mottling light transmission hole, simulates the scattered visual effect of real starry sky, can realize the star light structure of handle nest pit, adopts the pixel level brightness control module, can realize the multi -scene dynamic starry sky light effect, can realize energy -conserving illumination work, the atmosphere lamp in the utility model belongs to energy -conserving illumination equipment, the product size of the utility model is small, compatible mainstream vehicle type door handle narrow cavity, simplifies the assembly process, non-uniform mottling light transmission hole + LED and light transmission hole dislocation corresponding design, compared with traditional uniform aperture scheme, the user visual real feeling promotes, on the structure PCBA lamp board is placed in the lower optical lens of lamp, through the structure can effectively save the space of side, reduces with the glass of car door interior / glass lifting guide rail / car door lock etc.

[0017] 2. In the utility model, through setting up the pixel level brightness control module, multi -scene dynamic starry sky light effect can be realized, the pixel level brightness control module can realize 0~100 grade independent brightness adjustment to each pixel unit, and the dynamic light effect is rich and preset dynamic light effect, can control and realize real starry sky scintillation, welcome mottling running water, dormancy gradient etc. BRIEF DESCRIPTION OF DRAWINGS

[0018] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings,

[0019] Figure 1 It is the structure schematic drawing of the utility model whole,

[0020] Figure 2 It is the structure schematic drawing of the utility model front cover,

[0021] Figure 3 It is the structure schematic drawing of the utility model rear cover, optical lens and PCBA lamp board,

[0022] Figure 4 It is the structure schematic drawing of the utility model optical lens and PCBA lamp board,

[0023] Figure 5It is the bottom structure schematic view of optical lens of the utility model;

[0024] Figure 6 It is another angle bottom structure schematic view of optical lens of the utility model;

[0025] Figure 7 It is the structure schematic view of PCBA lamp plate of the utility model;

[0026] Figure 8 It is the overall circuit schematic view of pixel level brightness control module of the utility model;

[0027] Figure 9 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 1 ;

[0028] Figure 10 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 2 ;

[0029] Figure 11 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 3 ;

[0030] Figure 12 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 4 ;

[0031] Figure 13 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 5 ;

[0032] Figure 14 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 6 ;

[0033] Figure 15 It is the local circuit schematic view of pixel level brightness control module of the utility model Figure 7 ;

[0034] In the figure: 1, front cover;2, rear cover;3, optical lens;4, PCBA lamp plate;5, mottling light transmission hole;6, micro-prism array;7, positioning column. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0036] Embodiment one:

[0037] Please refer to Figures 1-7 The utility model provides technical scheme: a car door handle hole atmosphere lamp, including front cover 1, back cover 2, optical lens 3 and PCBA lamp plate 4, optical lens 3 and PCBA lamp plate 4 are all arranged between front cover 1 and back cover 2, the outer wall of front cover 1 is away from the side of optical lens 3 and is the door handle hole modelling, the outer wall of optical lens 3 is away from the side of PCBA lamp plate 4 and is bonded with the inner wall of front cover 1, the outer surface of front cover 1 is equipped with several uneven distribution's maculae light transmission hole 5, the outer wall of optical lens 3 is equipped with microprism array 6 on the side close to PCBA lamp plate 4, optical lens 3 is arranged on the top of PCBA lamp plate 4, and PCBA lamp plate 4 is fixedly connected with back cover 2.

[0038] In one embodiment, the outer surface of the front cover 1 is provided with a PVD aluminum plating layer, and the maculae light transmission holes 5 are arranged on the surface of the PVD aluminum plating layer; the PVD aluminum plating layer is prepared by a vacuum evaporation plating process, which not only gives the front cover a metal appearance, but also serves as a light shielding layer. The non-laser-engraved area can effectively shield the internal components. The maculae light transmission holes 5 correspond to the light sources on the PCBA lamp plate 4, providing a channel for light emission and forming a maculae starry sky visual effect. The maculae light transmission holes 5 are formed on the PVD aluminum plating layer on the outer side of the front cover by a 1064nm optical fiber laser engraving machine. The aperture is 0.3-2.0mm non-uniformly distributed, and the hole spacing is randomly distributed.

[0039] In one embodiment, the outer diameter of the prism unit of the microprism array 6 is 0.4-0.6mm, and the vertex angle of the prism unit is 40-55°; the material of the optical lens 3: the light transmittance of the high-transmittance PC material is ≥90%; the microprism array 6 corresponds to the LED light source on the PCBA lamp plate 4; the microprism array 6 can convert the LED point light source into uniform light with a diffusion angle of 120-150°, forming a real starry sky effect with light and shade.

[0040] In one embodiment, the outer edge of the front cover 1 is provided with two positioning columns 7, and the front cover 1 is fixed on the door handle skeleton by buckling and screwing; the outer edge of the front cover is provided with two positioning columns, and the front cover 1 is connected with the door handle skeleton by the double fixing mode of buckling and screwing, which meets the mounting hole requirement of different vehicle models of door handles.

[0041] In one embodiment, the front cover 1 and the back cover 2 are connected by screwing to form a closed cavity, and the closed cavity is filled with a glue filling layer, which wraps the edges of the PCBA lamp plate 4 and the optical lens 3, meets the IP67 waterproof and dustproof requirements, can improve the process stability of the components, adapt to the harsh use environment of the automobile, and reduce the cost and assembly complexity.

[0042] In one embodiment, the PCBA lamp panel 4 is provided with a pixel-level brightness control module and a plurality of LED light sources, each of the LED light sources corresponds to a pixel unit, the LED light sources are correspondingly arranged with the spot light transmission holes 5, and each of the LED light sources corresponds to 4-6 spot light transmission holes 5; the light source layout: the PCBA lamp panel 4 is arranged with 20-60 white light LED light sources at intervals of 5-7 mm along the length direction of the front cover 1, so as to realize rich light effects of single-pixel multi-spot; the pixel-level brightness control module supports LIN bus communication, can realize 0-100 level independent brightness adjustment for each pixel unit, and is provided with a preset dynamic light effect.

[0043] The working principle of the utility model is as follows:

[0044] Referring to the drawings in the specification Figures 1-7 , the utility model discloses a door handle recess modeling is designed on the outer wall of the front cover 1 away from the optical lens 3, the outer wall of the optical lens 3 away from the PCBA lamp panel 4 side is attached with the inner wall of the front cover 1, so that the outer wall of the front cover 1 and the optical lens 3 are all door handle recess modeling, guaranteeing that the front cover 1 and the optical lens 3 are attached and transparent, guaranteeing that the light source emits light on the surface of the front cover 1;The LED light source on the PCBA lamp panel 4 emits light, the light passes through the microprism array 6 at the bottom of the optical lens 3 and enters the optical lens 3, and then is emitted from the surface of the optical lens 3 close to the front cover 1, the light is emitted outward from the spot light transmission hole 5 of the front cover 1, the non-uniformly distributed spot light transmission hole design simulates the scattered visual effect of the real starry sky, and the starlight emitting structure in the handle recess pit can be realized;The integrated pixel-level brightness control module realizes multi-scene dynamic starry sky light effect;The energy-saving lighting work can be realized, and the atmosphere lamp in the utility model belongs to energy-saving lighting equipment;

[0045] The light emitting structure in the utility model is suitable for the modeling of the relatively large curvature and the light emitting pattern existing around the curved edge (and the curved edge is not convenient to arrange the lens and the LED array due to the limitation of the mounting structure, and the light emitting transition effect is realized by the transparent material light guide of the front cover 1), and the light emitting pattern can be maximized in area.

[0046] The two extended side wings on the surface of the front cover 1 and the lower side position on the surface of the front cover 1 are three regions around the curved edge of the front cover 1;The three regions are actually without the lens and the LED array on the back due to the limitation of the modeling of the assembly structure of the outer panel of the vehicle door;However, the optical lens 3 and the LED light source array in the inner cavity can realize the transition light emitting effect by the transparent thick-wall light guide material of the front cover 1, the PVD plating on the outer side of the front cover 1 and the outer side laser-engraved pattern, so that the curved edge around the curved edge can also emit light (weak light guide), so that the light emitting pattern area is maximized, the visual impact is stronger, and the light emitting effect is more satisfactory.

[0047] The front cover 1 is used as a door handle appearance surface and a light transmission carrier, and is formed by injection molding of high light transmission PC material; the outer side is directly exposed to the vehicle body, and the inner side is attached to the optical lens 3; the whole forms a four-layer integrated structure of "front cover-optical lens-PCBA lamp plate-rear cover" with the rear cover 2, the optical lens 3 and the PCBA lamp plate 4, and is adapted to the door handle mounting space;

[0048] The rear cover 2 is made of ABS+PC alloy material (heat resistance temperature ≥ 120 DEG C), and surrounds the front cover 1 to form a closed mounting cavity, and provides protection and fixing support for internal components;

[0049] The optical lens 3 is used for uniformly diffusing light rays of a light source, and ensures uniformity of starry sky light effects;

[0050] The PCBA lamp plate 4 provides a light source and dynamic light effect control function, and provides power for starry sky effects;

[0051] The product size is small, compatible with the narrow cavity of mainstream vehicle door handles, and the assembly process is simplified; the non-uniform spot light transmission hole and the LED are designed to be in dislocation correspondence, compared with the traditional uniform aperture scheme, and the user visual real sense is improved;

[0052] The PCBA lamp plate 4 is placed below the optical lens 3 in the lamp, the above structure can effectively save the space of the side, reduce the lateral interference with the glass / glass lifting guide rail / vehicle door lock and other components in the vehicle door, and is beneficial to space arrangement; the PCBA lamp plate 4 is arranged below the handle instead of being arranged on the side of the handle, so as to reduce the space occupation of the side, because the side is interfered by the glass lifting device.

[0053] Embodiment two:

[0054] Please refer to Figures 7-15 The utility model provides technical scheme: a car door handle cavity atmosphere lamp, pixel level brightness control module includes communication chip, power supply chip, main control chip and LED drive chip, communication chip is connected with power supply chip, main control chip and LED drive chip communication respectively, power supply chip is connected with communication chip, main control chip and LED drive chip power supply respectively, LED drive chip and LED light source drive control connection.

[0055] The working principle of the utility model is as follows:

[0056] Referring to the drawings in the description Figures 7-15 The utility model discloses a pixel level brightness control module including communication chip, power supply chip, main control chip and LED drive chip, and communication chip is CAN transceiver chip U3 and LIN transceiver chip U5 in Figure 8 、 Figure 12 And Figure 14 Power supply chip isFigure 8 and Figure 10 DCDC chip U2 in the power supply, the master control chip is Figure 8 and Figure 13 LED driving chip is Figure 8 and Figure 11 lamp bead driving chip U1 in

[0057] The pixel-level brightness control module can realize 0-100 level independent brightness adjustment for each pixel unit, and the dynamic light effect is rich and preset. The real starry sky flicker, the welcome mottling flowing water, the dormancy gradient and other dynamic light effects can be controlled to realize the full scene of welcome, driving and dormancy, and meet the personalized needs of users:

[0058] ① Real starry sky flicker: randomly select 30% pixel units for 0-80 level brightness alternation (period 2-5s), simulate the natural light and dark change of stars;

[0059] ② Welcome mottling flowing water: the pixel units are sequentially lighted from the inside to the outside of the door handle (the brightness increases from 0 to 100 levels, the speed is 0.2s / pixel), forming a flowing mottling light belt;

[0060] ③ Dormancy gradient: all pixel units are synchronized to perform 0-50 level brightness breathing (period 3s), realizing the dormancy effect of starry sky dimming;

[0061] Figure 9 The circuit in is used to filter the noise interference of the input power supply of the vehicle body, the power supply surge impact and prevent the positive and negative of the power supply input from being reversely connected, etc., to provide stable and clean working voltage and current for the later stage circuit module, and provide one level input protection; ensure that the Figures 10-15 in the later stage circuit module is in normal working state;

[0062] Figure 10 The circuit in provides stable and clean working voltage and current for the LED lamp bead in Figure 11 , and makes two level input protection, further ensuring the stability of the LED lamp bead when executing the light effect;

[0063] Figure 11 The circuit in is used to drive the lamp bead to work, control the on-off of the lamp bead, and can control the on-off and brightness adjustment of any lamp bead, and can execute various light effects, such as flowing water, flicker, random on-off, etc. At most, it can support the control of 24 single-color LED lamp beads, the control of 8 3-color RGB lamp beads and the control of 6 4-color RGBW lamp beads, providing users with more rich light language light effect collocation selection. At the same time, more lamp beads can make the overall light effect of the product more full and gorgeous;

[0064] Figure 12 The circuit in is used to receive the working instructions input by the vehicle body, and transmit them to Figure 13The main control chip is analyzed and processed, and at the same time... Figure 13 The collected status information of the product during operation is fed back to the vehicle body controller.

[0065] Figure 13 The circuit in the main control chip system stores various lighting effects and control information, which can reduce the storage burden on the vehicle-side controller. The vehicle-side only needs to issue simple commands to execute complex lighting effects; it is used for receiving and processing. Figure 12 The received work instructions are processed through... Figure 14 Transmit the lighting effect execution command to the Figure 11 Implement lighting effects; at the same time, Figure 11 pass Figure 14 Transmission working status and Figure 15 The collected work status data is processed and fed back.

[0066] Figure 14 The circuit in is used to receive Figure 13 The output lighting effect command is transmitted to Figure 11 The LED driver chip is analyzed and processed, and at the same time... Figure 11 The collected LED chip operating status information is fed back to Figure 13 The main control chip processes and provides feedback.

[0067] Figure 15 The circuit in is used for data acquisition. Figure 10 and Figure 11 The voltage change caused by the heat generated by the chip during operation in the circuit is transferred to... Figure 13 The main control chip's ADC pin performs voltage-temperature conversion and real-time monitoring. Figure 10 and Figure 11 The operating temperature of the chip in the circuit changes, and the brightness of the LED beads is controlled when the chip overheats, thus achieving energy-saving lighting. The ambient light in this invention belongs to the category of energy-saving lighting devices. Figure 13 To control reduction Figure 10 and Figure 11 The operating power is adjusted to ensure the stability and safety of the product operation.

[0068] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A car door handle pocket atmosphere lamp, comprising a front cover (1), a rear cover (2), an optical lens (3) and a PCBA lamp panel (4), characterized in that: The optical lens (3) and the PCBA lamp plate (4) are arranged between the front cover (1) and the rear cover (2), the outer wall of the front cover (1) is away from the optical lens (3) on one side, and the door handle recess is formed, the outer wall of the optical lens (3) is close to the inner wall of the front cover (1) on the side away from the PCBA lamp plate (4), the outer surface of the front cover (1) is provided with a plurality of non-uniformly distributed mottled light holes (5), and the outer wall of the optical lens (3) is provided with a micro-prism array (6) on the side close to the PCBA lamp plate (4).

2. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The optical lens (3) is arranged above the PCBA lamp plate (4), and the PCBA lamp plate (4) is fixedly connected with the rear cover (2).

3. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The outer surface of the front cover (1) is provided with a PVD aluminum plating layer, and the mottled light hole (5) is arranged on the surface of the PVD aluminum plating layer.

4. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The outer diameter of the prism unit of the micro-prism array (6) is 0.4-0.6mm, and the top angle of the prism unit is 40-55°.

5. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The outer side edge of the front cover (1) is provided with two positioning columns (7), and the front cover (1) is fixed on the door handle skeleton through the buckle and screw cooperation.

6. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The front cover (1) and the rear cover (2) are connected by screws to form a closed cavity, the closed cavity is filled with a glue filling layer, and the glue filling layer wraps the edges of the PCBA lamp plate (4) and the optical lens (3).

7. The ambient light in the pocket of a door handle of a vehicle according to claim 1, characterized in that: The PCBA lamp plate (4) is provided with a pixel-level brightness control module and a plurality of LED light sources, each LED light source corresponds to a pixel unit, the LED light source is correspondingly arranged with the mottled light hole (5), and each LED light source corresponds to 4-6 mottled light holes (5).

8. An ambient light for a pocket of a door handle of a vehicle according to claim 7, characterized in that: The pixel-level brightness control module comprises a communication chip, a power supply chip, a main control chip and an LED driving chip, the communication chip is respectively connected with the power supply chip, the main control chip and the LED driving chip, the power supply chip is respectively connected with the communication chip, the main control chip and the LED driving chip, and the LED driving chip is connected with the LED light source for driving control.

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