Anti-fog vehicle lamp system

By using the waste heat of the headlight radiator to heat the recyclable desiccant, and combined with the breathable membrane moisture-exhaustration device, the problem of car light fog is solved, and a fog-free effect and energy-saving and environmentally friendly economical solution is achieved.

CN222480277UActive Publication Date: 2025-02-14MAGNETI MARELLI AUTOMOTIVE COMPONENTS WUHU
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Patent Information

Application Number
CN202420289165.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-06
Publication Date
2025-02-14
Estimated Expiration
2034-02-06

AI Technical Summary

Technical Problem

In weather conditions where the temperature difference between day and night or humidity is large, the inner surface of the outer lens of the car light is prone to fog, and the prior art fog solutions have the problem of desiccant failure or replacement.

Method used

The waste heat of the radiator is used to heat the recyclable desiccant, and the air permeable membrane and the humidity exhaust device are used to realize the discharge of water vapor, adapting to different lamp shapes, energy-saving and environmentally friendly.

Benefits of technology

The effect of the headlights is foggy-free, avoiding the regular replacement of desiccant and fog problems. The solution is economical and affordable, suitable for different lamp shapes, energy-saving and environmentally friendly.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222480277U_ABST
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Abstract

The utility model provides an anti-fog car lamp system which comprises a shell, an outer lens and a radiator, the shell is connected with the outer lens, and the radiator is arranged in the shell; the moisture absorption device and the moisture removal device are arranged in the shell; the moisture absorption device comprises a drying agent assembly, the drying agent assembly is arranged on the radiator, and the drying agent assembly can be heated and recycled through the radiator; the moisture removal device comprises an adjusting assembly and a breathable film, the adjusting assembly and the breathable film are connected, the breathable film is arranged on the shell, and the adjusting assembly is used for adjusting opening and closing of the breathable film. The radiator in the automobile lamp system is used for heating the drying agent which can be recycled, and the ventilation film on the shell is adjusted to be opened and closed in a matched mode, so that the fog prevention problem of the automobile lamp system is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamps, and in particular to an anti-fog vehicle lamp system. Background Art

[0002] Under weather conditions with a large temperature difference between day and night or high humidity, moisture in the external environment will transfer and diffuse into the air inside the headlight, causing the inner surface of the outer lens of the headlight to fog. With the development of vehicle technology, people's requirements for vehicle functions are also constantly increasing. How to quickly and efficiently solve the fogging solution of the headlight, vehicle manufacturers and parts have been working hard in this direction. The traditional fogging solution is: a. Anti-fog coating on the outer lens combined with a non-replaceable desiccant in the lamp; b. Replaceable desiccant fixed to the shell; for solution a, when the desiccant fails, the anti-fog coating cannot achieve a good anti-fog effect. For solution b, when replacing the desiccant, the headlight needs to be disassembled, and the disassembly of the headlight is more troublesome. The present application uses a radiator to heat the recyclable desiccant to achieve the recycling of the desiccant, and at the same time cooperates with a breathable membrane to achieve the discharge of water vapor, which can adapt to the shape of the entire lamp and give the shape more adaptability. The method of using the waste heat of the radiator is more energy-saving, environmentally friendly, and low-carbon, and does not require the setting of an additional heat source. Utility Model Content

[0003] In view of the defects in the prior art, the purpose of the utility model is to provide an anti-fog vehicle lamp system.

[0004] According to the utility model, an anti-fog vehicle lamp system is provided, comprising: a housing, an outer lens and a radiator, wherein the housing and the outer lens are connected and arranged, and the radiator is arranged in the housing;

[0005] The housing is provided with the moisture absorbing device and the moisture discharging device; the moisture absorbing device includes a desiccant component, the desiccant component is provided on the radiator, and the desiccant component can be heated and recycled by the radiator;

[0006] The dehumidification device comprises an adjusting component and a breathable membrane. The adjusting component and the breathable membrane are connected and arranged. The breathable membrane is arranged on the shell. The adjusting component is used to adjust the opening and closing of the breathable membrane.

[0007] Preferably, the desiccant assembly includes a desiccant and a desiccant fixing structure;

[0008] The desiccant fixing structure is arranged on the radiator, and the desiccant is arranged on the desiccant fixing structure.

[0009] Preferably, the adjustment assembly includes a drive motor, an ejection structure and a plurality of adjustment rods;

[0010] The driving end of the driving motor is connected to the adjusting rod, and the driving motor drives the ejection structure through a plurality of the adjusting rods;

[0011] The ejection structure is connected to the breathable membrane and is used to eject and open the breathable membrane.

[0012] Preferably, the adjusting rods are provided in two pieces, namely a first adjusting rod and a second adjusting rod;

[0013] The first adjusting rod is connected to the driving end of the driving motor, and the second adjusting rod is connected to the first adjusting rod;

[0014] The driving motor drives the first adjusting rod to move, and the first adjusting rod drives the second adjusting rod to move, and one end of the second adjusting rod can abut against and push the ejection structure.

[0015] Preferably, the radiator is provided with an adjustment structure;

[0016] The desiccant fixing structure is arranged on the adjusting structure, and the adjusting structure can adjust the distance between the desiccant fixing structure and the heat sink.

[0017] Preferably, the adjustment structure is a drive motor and a drive rod;

[0018] The driving rod is connected to the driving end of the driving motor, and one end of the driving rod is connected to the desiccant fixing structure.

[0019] Preferably, the desiccant is an activated carbon desiccant.

[0020] Preferably, when the radiator is in a closed state, the breathable membrane is in a closed state; when the radiator is in an open state, the breathable membrane is in an open state.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] 1. The utility model adopts the waste heat of the radiator to heat the recyclable desiccant, thereby solving the problem that the replaceable desiccant of the whole lamp needs to be replaced regularly, or the desiccant fails and causes the whole lamp to generate fog, thereby achieving the effect of fog-free whole lamp.

[0023] 2. The utility model adopts the waste heat of the radiator to heat the recyclable desiccant, and cooperates with the adjustment component to open the breathable membrane to allow the entire lamp to dehumidify, thereby replacing the conventional fog solution, eliminating the anti-fog coating on the outer lens, etc., and utilizing the waste heat generated by the radiator. The desiccant can be recycled, and this solution is more economical and practical.

[0024] 3. The utility model utilizes the radiator of the headlight to dry the desiccant, and utilizes the waste heat of the radiator, does not generate new energy consumption, is energy-saving and environmentally friendly, has low cost, and makes the application more flexible in space and suitable for different whole lamp shapes and spaces, without the need to reserve corresponding space for fixing the whole lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0026] Figure 1 It is a structural schematic diagram of the anti-fog lamp system;

[0027] Figure 2 for Figure 1 A partial enlarged schematic diagram of

[0028] Figure 3 Schematic diagram of the structure of the anti-fog lighting system.

[0029] The figure shows:

[0030] Housing 1 Driving motor 5

[0031] Radiator 2 Ejector structure 6

[0032] Breathable membrane 3 First adjustment lever 7

[0033] Desiccant fixing structure 4 Second adjusting rod 8 DETAILED DESCRIPTION

[0034] The utility model is described in detail below in conjunction with specific embodiments. The following embodiments will help those skilled in the art to further understand the utility model, but do not limit the utility model in any form. It should be pointed out that for those of ordinary skill in the art, several changes and improvements can be made without departing from the concept of the utility model. These all belong to the protection scope of the utility model.

[0035] Embodiment 1:

[0036] like Figures 1 to 3 As shown, this embodiment provides an anti-fog vehicle lamp system, comprising: a shell 1, an outer lens and a radiator 2, wherein the shell 1 and the outer lens are connected and the radiator 2 is arranged in the shell 1; a moisture absorption device and a moisture discharge device are arranged in the shell 1; the moisture absorption device comprises a desiccant component, which is arranged on the radiator 2, and the desiccant component can be heated and recycled by the radiator 2; the moisture discharge device comprises an adjustment component and a breathable membrane 3, which are connected and arranged on the breathable membrane 3, which is arranged on the shell 1, and the adjustment component is used to adjust the opening and closing of the breathable membrane 3.

[0037] When the radiator 2 is in a closed state, the breathable membrane 3 is in a closed state; when the radiator 2 is in an open state, the breathable membrane 3 is in an open state.

[0038] The adjustment assembly includes a driving motor 5, an ejection structure 6, and a plurality of adjustment rods; the driving end of the driving motor 5 is connected to the adjustment rod, and the driving motor 5 drives the ejection structure 6 through the plurality of adjustment rods; the ejection structure 6 is connected to the breathable membrane 3, and the ejection structure 6 is used to eject and open the breathable membrane 3. There are two adjustment rods, namely a first adjustment rod 7 and a second adjustment rod 8; the first adjustment rod 7 is connected to the driving end of the driving motor 5, and the second adjustment rod 8 is connected to the first adjustment rod 7; the driving motor 5 drives the first adjustment rod 7 to move, and the first adjustment rod 7 drives the second adjustment rod 8 to move, and one end of the second adjustment rod 8 can abut against and push the ejection structure 6.

[0039] In this embodiment, the driving motor 5 is a telescopic stepping motor, the driving end of the telescopic stepping motor is provided with a ball head, which is connected to the first adjusting rod 7 through the ball head, and the abutting end of the second adjusting rod 8 is provided with a ball head, and the second adjusting rod 8 is threadedly connected to the first adjusting rod 7, so that the position of the second adjusting rod 8 on the first adjusting rod 7 can be adjusted. The ejection structure 6 is an ejection block.

[0040] The desiccant assembly includes a desiccant and a desiccant fixing structure 4; the desiccant fixing structure 4 is arranged on the radiator 2, and the desiccant is arranged on the desiccant fixing structure 4. An adjustment structure is arranged on the radiator 2; the desiccant fixing structure 4 is arranged on the adjustment structure, and the adjustment structure can adjust the distance between the desiccant fixing structure 4 and the radiator 2. The adjustment structure is a driving motor and a driving rod; the driving rod is connected to the driving end of the driving motor, and one end of the driving rod is connected to the desiccant fixing structure 4.

[0041] In this embodiment, the desiccant is an activated carbon desiccant, and the driving motor is a telescopic stepping motor. The desiccant fixing structure 4 is a fixing plate, and the desiccant is fixed on a cover structure, and the cover structure is detachably arranged on the desiccant fixing structure 4. The desiccant is adhered to the cover structure by 3M glue or some other glue, and the cover structure can be fixed to the desiccant fixing structure by rotating the buckle or screwing.

[0042] When the breathable membrane 3 needs to be opened, the driving motor 5 starts to work, the ball head of the driving motor 5 moves forward, pushes the first adjusting rod 7 forward, the first adjusting rod 7 drives the second adjusting rod 8 forward, the second adjusting rod 8 pushes the ejection structure 6, and the breathable membrane 3 is pushed open, and the mist in the lamp diffuses outward. When a certain amount of actual required time is reached, the ball head of the driving motor 5 retreats, driving the first adjusting rod 7 and the second adjusting rod 8 to retreat, thereby closing the breathable membrane 3.

[0043] Embodiment 2:

[0044] Those skilled in the art may understand this embodiment as a more specific description of Embodiment 1.

[0045] This embodiment provides an anti-fog vehicle lamp system, which mainly includes two subsystems: a moisture absorption device and a moisture removal device. The moisture absorption device is composed of four parts: a lamp internal module, a heat sink, a fixing structure and a desiccant.

[0046] The module inside the lamp is not limited to the low beam and high beam modules of the car headlights. With the development of car lighting technology, some new functions, such as DLP technology modules, may also have higher power and require a heat sink.

[0047] The heat sink is the heat sink of the module. Because the power of the module is generally large, punching holes on the conventional PCB board or increasing the copper thickness is not enough to achieve its heat dissipation. A larger aluminum or other metal heat sink is required. Due to different module heat sinks, their shapes are also different. Some are composed of multiple columns, some are composed of teeth, and some are composed of columns and teeth, etc., which are differentiated according to actual conditions.

[0048] The module inside the lamp includes a heat sink, that is, as a module assembly, the heat sink is one part of it. The heat sink is often fixed to the PCB lamp board to dissipate heat for LEDs or some high-power electronic components.

[0049] The fixing structure is a plastic part that fixes the desiccant according to the shape of the module heat sink and the weight of the desiccant required in the whole lamp. The fixing method can be based on the actual space and shape requirements of the whole lamp, such as clips or screws, to reasonably control the distance between the desiccant and the radiator.

[0050] Desiccant: Desiccant is a desiccant that can be used in a heating cycle and must meet automotive grade requirements. The specific desiccant can be a desiccant that uses a physical reaction or a chemical reaction as needed.

[0051] The fixed structure is used to fix the desiccant, fixing it on the radiator at a corresponding distance from the radiator. For example, it can be made into a fixed structure with adjustable distance, or based on the previous simulation calculation, the distance can be controlled, and it can be made into a sandwich-type fixing method, or a certain installation slot lamp can be made for it, which can be adjusted based on the specific space and situation.

[0052] The dehumidification device consists of four parts: the entire lamp housing, a breathable membrane, an adjustment mechanism and a motor.

[0053] The shell of the whole lamp is composed of two parts: the outer lens and the shell. The outer lens is the transparent light-emitting area, and the shell is the black area. The two are combined by gluing or welding. There are breathable membranes, adjustment mechanisms, etc. on the shell of the whole lamp.

[0054] Breathable membrane, which is installed on the housing of the car light, ensures air circulation inside and outside the light. The number of breathable membranes is determined according to the actual size, shape and shape of the light.

[0055] The breathable membrane is installed on the lamp housing of the whole lamp. It can be directly attached to the lamp housing or fixed in other ways according to the specific state of the breathable membrane.

[0056] The adjustment mechanism is located in one or more air permeable membrane areas in the lamp, and can open and close the air permeable membrane areas. The specific adjustment mechanism can be determined according to the actual space and shape of the lamp, and can be fixed on the housing as needed, or on the lining frame or bracket in the entire lamp.

[0057] The motor is used to control the opening and closing of the regulating mechanism. It can be fixed on the housing as needed, or on a lining frame or bracket inside the entire lamp.

[0058] The motor controls the movement of the adjustment mechanism, and the adjustment mechanism controls the opening and closing of the breathable membrane. The motor and the adjustment mechanism can be fixed on the lamp housing of the whole lamp. The motor can be a stepper motor or a motor according to needs. The specific adjustment system can be through several adjustment rods, and the adjustment method can also be designed according to specific actual conditions. It can also be fixed on the lining frame or bracket inside the whole lamp, and adjusted according to the actual space.

[0059] The desiccant in the lamp is always in the open state, and the desiccant is always in the hygroscopic state. If it is daytime, the desiccant is in the hygroscopic state, the breathable membrane is in the closed working state, and the desiccant absorbs the moisture in the lamp. Keep the whole lamp dry inside, and no fog is generated on the outer lens. At night or when the low beam or this high-power module starts to work, the radiator of the module generates heat. When the function is stable, the temperature of the radiator is maintained at about 80 to 90 degrees. At this time, the residual heat of the radiator can be used to heat the desiccant. The desiccant begins to release the moisture it absorbed during the day or before, that is, the water vapor in the lamp is large at this time, and the regulating mechanism is opened under the drive of the motor. The specific time when the regulating mechanism starts to work can be inferred by the lighting time of the module, and its fog release state, or it can be achieved by adding a humidity detection instrument in the lamp and other methods. The specific implementation method is determined according to the actual situation. The water vapor in the lamp is released to the outside of the lamp through the breathable membrane.

[0060] The core of the present invention is the optimized design of the whole lamp system of the vehicle lamp, which utilizes the waste heat of the module radiator to heat the desiccant, and the recycling of the desiccant, in conjunction with the adjustable opening and closing of the breathable membrane, realizes a fogging solution for the whole lamp.

[0061] Furthermore, the control circuit can be set to further determine the time for opening and closing the breathable membrane of the adjustment mechanism according to factors such as the actual performance of different desiccants and the temperature of the module heat sink. When the desiccant is completely dry, the breathable membrane is closed.

[0062] Furthermore, according to the actual conditions of desiccants with different performances and radiators of different modules, the distance from the desiccant to the module radiator is adjusted to ensure the most efficient operation of the system.

[0063] Furthermore, the desiccant fixed next to the radiator of the module can be set to be position-adjustable. When the module works for a long time and the desiccant has been dried, the position of the desiccant can be moved away.

[0064] The present invention provides a whole lamp fogging solution by heating a recyclable desiccant through a radiator of a module inside the whole lamp, and cooperating with a breathable membrane with an adjustable switch on a whole lamp housing.

[0065] In the description of the present application, it should be understood that the terms "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0066] The above describes the specific embodiments of the present invention. It should be understood that the present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essence of the present invention. In the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other at will.

Claims

1. An anti-fog vehicle lamp system, characterized in that: include: A housing (1), an outer lens and a heat sink (2), wherein the housing (1) and the outer lens are connected and arranged, and the heat sink (2) is arranged inside the housing (1); A moisture absorbing device and a moisture discharging device are arranged in the housing (1); the moisture absorbing device comprises a desiccant component, the desiccant component is arranged on the radiator (2), and the desiccant component can be heated and circulated by the radiator (2); The dehumidification device comprises an adjustment component and a breathable membrane (3), wherein the adjustment component and the breathable membrane (3) are connected and arranged, and the breathable membrane (3) is arranged on the housing (1), and the adjustment component is used to adjust the opening and closing of the breathable membrane (3).

2. The anti-fog vehicle lamp system according to claim 1, characterized in that: The desiccant assembly comprises a desiccant and a desiccant fixing structure (4); The desiccant fixing structure (4) is arranged on the radiator (2), and the desiccant is arranged on the desiccant fixing structure (4).

3. The anti-fog vehicle lamp system according to claim 1, characterized in that: The adjustment assembly comprises a driving motor (5), an ejection structure (6) and a plurality of adjustment rods; The driving end of the driving motor (5) is connected to the adjusting rod, and the driving motor (5) drives the ejection structure (6) through a plurality of the adjusting rods; The ejection structure (6) is connected to the breathable membrane (3), and the ejection structure (6) is used to eject and open the breathable membrane (3).

4. The anti-fog vehicle lamp system according to claim 3, characterized in that: The adjusting rods are provided in two numbers, namely a first adjusting rod (7) and a second adjusting rod (8); The first adjusting rod (7) is connected to the driving end of the driving motor (5), and the second adjusting rod (8) is connected to the first adjusting rod (7); The driving motor (5) drives the first adjusting rod (7) to move, and the first adjusting rod (7) drives the second adjusting rod (8) to move, and one end of the second adjusting rod (8) can abut against and push the ejection structure (6).

5. The anti-fog vehicle lamp system according to claim 2, characterized in that: The radiator (2) is provided with an adjustment structure; The desiccant fixing structure (4) is arranged on the adjustment structure, and the adjustment structure is capable of adjusting the distance between the desiccant fixing structure (4) and the heat sink (2).

6. The anti-fog vehicle lamp system according to claim 5, characterized in that: The adjustment structure is a drive motor and a drive rod; The driving rod is connected to the driving end of the driving motor, and one end of the driving rod is connected to the desiccant fixing structure (4).

7. The anti-fog vehicle lamp system according to claim 2, characterized in that: The desiccant is an activated carbon desiccant.

8. The anti-fog vehicle lamp system according to claim 1, characterized in that: When the radiator (2) is in a closed state, the breathable membrane (3) is in a closed state; when the radiator (2) is in an open state, the breathable membrane (3) is in an open state.