A vehicle lamp rear cover assembly with active electrolytic water molecule persistent defogging with desiccant

Abstract

The application discloses a vehicle lamp rear cover assembly with active electrolytic water molecules for long-term elimination of fogging, which comprises a cover body provided with at least one quick moisture removal channel and a continuous drying area; the air flow channel of the quick moisture removal channel is provided with a safe active electrolytic water molecule device for reducing humidity in a small space; and the continuous drying area is an inner concave cavity with an opening facing the inner side of the vehicle lamp, and the cavity is provided with a drying material with continuous drying capacity. In the power-on condition, the active electrolytic water molecule device can electrolyze water molecules in the vehicle lamp, thereby reducing the humidity in the vehicle lamp for a long time, maintaining the humidity at a very low level, keeping the air in the vehicle lamp in a dry state, and ensuring that no fogging occurs on the mirror surface or smooth surface in the vehicle lamp; the built-in drying material continuously absorbs moisture to keep the air in the vehicle lamp in a dry state, thereby ensuring that no fogging occurs in the vehicle lamp when the vehicle is started after the zero-kilometer delivery or a long period of parking.

Description

Technical Field

[0001] This invention relates to the field of automotive lamp rear covers, and in particular to an automotive lamp rear cover assembly with a desiccant that uses active electrolyzed water molecules to permanently eliminate fogging. Background Technology

[0002] When we talk about car safety, the first things that come to mind are brakes and tires. Nearly 60% of traffic accidents occur at night, and of every 100 nighttime accidents, more than 37 are related to vehicle headlights, with half of these being fatal. Fogging and condensation on the lens of car headlights significantly impacts lighting performance and safety. Fogging and condensation cause light scattering and reduced brightness, resulting in headlights turning yellowish and significantly reducing visibility, thus affecting the driver's vision. This makes it difficult to avoid dangerous road conditions at high speeds, increasing the risk of accidents, especially at night or in inclement weather. Poor lighting is a major factor in serious traffic accidents, and lighting safety is an extremely important component of vehicle safety. Because car headlights are a crucial part of vehicle safety, they improve the safety of nighttime driving.

[0003] Currently, in order to solve the problem of fogging and condensation in vehicle lights, various sectors in China usually use desiccants or heated fans to dehumidify and reduce the internal moisture content. However, desiccants have low moisture absorption rates, are not waterproof, and have short lifespans, requiring periodic drying before use. If they come into contact with water, they need to be replaced with new desiccants. Heated fans consume high current, require waterproofing, and generate some noise, making them difficult to meet the requirements of engineering applications.

[0004] Another option is to use the principle of water electrolysis for electrolysis. However, the electrolysis components can cause excessively high oxygen concentrations inside smart helmet displays, vehicle lights, monitoring probes, image detection, lidar detection sensors, and marine electrical cabinets. The oxygen atoms or molecules released during electrolysis can cause poor contact and corrosion of internal electrical components and circuits (internal chips, integrated circuits, circuits, PI insulation layers, etc.) in an oxygen-rich environment. Continuous electrolysis can lead to excessively high internal oxygen concentrations, posing a risk of spontaneous combustion. Hydrogen accumulation on the cathode side can also pose a risk of hydrogen explosion. Frequent electrical failures also make it difficult to meet users' requirements for reliable operation. Summary of the Invention

[0005] The main technical problem solved by this invention is to provide a car headlight rear cover assembly with active electrolysis of water molecules containing a desiccant to permanently eliminate fogging. When powered on, it can continuously electrolyze water molecules in the air inside the headlight, thereby accelerating the reduction of humidity inside the headlight and ensuring that no fogging occurs when the car is driven off the production line at zero kilometers or after a long period of parking.

[0006] To solve the above-mentioned technical problems, one technical solution adopted by the present invention is: to provide a vehicle headlight rear cover assembly with active electrolysis of water molecules with desiccant to permanently eliminate fogging, comprising: a cover body disposed on the air convection path inside and outside the headlight, the cover body having at least one rapid dehumidification channel and a continuous drying area; The rapid dehumidification channel is equipped with an active water molecule electrolysis device that safely reduces humidity in small spaces; the continuous drying zone is a concave cavity with an opening facing the inside of the headlight, and the cavity is equipped with a desiccant with continuous drying capabilities.

[0007] In a preferred embodiment of the present invention, the connection method between the cover and the plastic housing of the automotive headlight includes snap-fit ​​connection, threaded connection or flange port connection.

[0008] In a preferred embodiment of the present invention, the active water molecule electrolysis device for safely reducing humidity in a small space is connected to the rapid dehumidification channel by means of threaded connection, interference fit, adhesive or snap fastener.

[0009] In a preferred embodiment of the present invention, a perforated cover plate is provided at the opening of the concave cavity facing the inside of the headlight, and the perforated cover plate is fixedly connected to the cover body by welding, bonding or screws.

[0010] In a preferred embodiment of the present invention, the desiccant is a continuous drying package filled with a desiccant, which is a common desiccant or a mixture of reversible hygroscopic particulate matter and micro-particles of a substance that efficiently absorbs far-infrared radiation energy.

[0011] In a preferred embodiment of the present invention, the common desiccant is magnesium chloride desiccant, silica gel material desiccant, calcium chloride desiccant, mineral desiccant, montmorillonite powder desiccant, quicklime powder desiccant, biochemical desiccant, carbon molecular sieve desiccant, chemical fiber desiccant, column desiccant, or shipping container drying strip.

[0012] In a preferred embodiment of the present invention, a substance that is highly sensitive to absorbing far-infrared radiation energy provides energy for the drying of hygroscopic reversible hygroscopic particulate matter to remove trace moisture, thereby restoring the continuous hygroscopic drying capacity of the mixture of the reversible hygroscopic particulate matter and the micro-particles of the substance that are highly sensitive to absorbing far-infrared radiation energy. The hygroscopic particulate matter is one or more of the following: reversible desiccant, bentonite, silica aerogel, carbon molecular sieve, carbon aerogel adsorbent, and water-absorbing resin. The micro-particles of the substance that are highly sensitive to absorbing far-infrared radiation energy include one or more of the following: carbon products, biochar, tourmaline, far-infrared ceramics, zirconium carbide, metal oxides, and silicon carbide.

[0013] In a preferred embodiment of the present invention, the active water molecule electrolysis device for safely reducing humidity in a small space includes a membrane electrode assembly. The membrane electrode assembly divides the airflow channel into an anode electrolysis chamber and a cathode cavity. The anode electrolysis chamber is disposed facing the inside of the headlight and has a pure iron foil sheet at its port for airflow. The pure iron foil sheet absorbs oxygen generated by the electrolysis of water molecules in the anode electrolysis chamber of the membrane electrode assembly. The cathode cavity is disposed facing the outside of the headlight and has an ePTFE microporous breathable protective membrane at its port.

[0014] In a preferred embodiment of the present invention, the membrane electrode assembly includes an anode porous foil mesh, an anode catalyst layer, a proton exchange membrane, a cathode catalyst layer, and a conductive carbon paper diffusion layer arranged sequentially along the airflow direction. The DC anode conductor is disposed between the anode porous foil mesh and the pure iron foil sheet, and the DC cathode conductor is connected to the conductive carbon paper diffusion layer. The DC anode conductor, the membrane electrode assembly, and the DC cathode conductor are connected to form a conductive electrolysis reaction circuit for water molecules.

[0015] In a preferred embodiment of the present invention, the cathode catalyst layer is a cathode platinum-carbon Pt / C catalyst layer, the proton exchange membrane is a perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with an ePTFE microporous membrane, the anode catalyst layer is an anode platinum-carbon Pt / C catalyst layer, and the anode porous foil is an anode platinum-titanium Pt / Ti porous foil.

[0016] The beneficial effects of this invention are as follows: When powered on, this invention electrolyzes water molecules inside the car headlight through an active water molecule electrolysis device, which can persistently reduce the humidity inside the car headlight and maintain it at a very low level. The air inside the headlight is in a dry state, ensuring that no fogging occurs on the mirror or smooth surface inside the headlight. This invention also has a built-in desiccant that can continuously absorb moisture to keep the air inside the headlight in a dry state, ensuring that no fogging occurs when the car is driven off the production line at zero kilometers or after a long period of parking. This ensures that the headlight's illumination effect is far and bright, the built-in camera sensor radar is clear, there are no electrical short circuits, and the internal components are free from corrosion, thus ensuring that the headlight's performance is effective. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein: Figure 1 This is a schematic diagram of a preferred embodiment of the vehicle headlight rear cover assembly with desiccant for persistent fogging elimination via active electrolysis of water molecules. Figure 2 yes Figure 1 The right view of the headlight rear cover assembly with desiccant that uses active electrolysis of water molecules to permanently eliminate fogging. Figure 3 yes Figure 1 The diagram shows a schematic of the active water molecule electrolysis device in the rear cover assembly of a car headlight that uses an active water molecule electrolysis device to permanently eliminate fogging. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] In the description of this invention, it should be noted that the terms "front," "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. These terms are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0023] In this invention, unless otherwise expressly specified and limited, "above or below" a first feature may include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on" the first feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the first feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0024] The embodiments of the present invention include: A headlight rear cover assembly with active electrolysis of water molecules and desiccant for long-lasting defogging elimination, such as... Figure 1-2 As shown, it includes: a cover 1 located on the air convection path inside and outside the vehicle light; the connection between the cover 1 and the plastic housing of the vehicle light 2 includes snap-fit ​​connection, threaded connection or flange port connection, and an O-ring 21 is provided at the connection.

[0025] The cover 1 has at least one rapid dehumidification channel 12 and a continuous drying zone 13.

[0026] The rapid dehumidification channel 12 is equipped with an active water molecule electrolysis device 3 for safely reducing humidity in small spaces on its airflow channel; the active water molecule electrolysis device 3 for safely reducing humidity in small spaces is connected to the rapid dehumidification channel 12 by means of threaded connection, interference fit, adhesive or snap fastener.

[0027] The active water molecule electrolysis device 3 for safely reducing humidity in small spaces includes a membrane electrode assembly 31. The membrane electrode assembly 31 divides the airflow channel into an anode electrolysis chamber 32 and a cathode chamber 33. The anode electrolysis chamber 32 faces inwards towards the headlight 2 and has a pure iron foil 35 at its port for airflow. The pure iron foil 35 has a mesh-like structure. The pure iron foil 35 absorbs oxygen generated by the electrolysis of water molecules in the anode electrolysis chamber 32 of the membrane electrode assembly 31. The cathode chamber 33 faces outwards towards the headlight 2 and has an ePTFE microporous breathable protective membrane 36 at its port. In a preferred embodiment, a through-hole cover plate 361 is provided at the port, and the ePTFE microporous breathable protective membrane 36 is disposed on the end face of the through-hole cover plate 361.

[0028] The ePTFE microporous breathable protective membrane 36 forms a filter and breathable protective layer on the one hand, allowing the hydrogen gas produced by cathode electrolysis and the water molecules synthesized by the catalyst and oxygen in the atmosphere to be discharged; on the other hand, it prevents rainwater, dust and oil stains from entering the cathode cavity, protecting the cathode and catalyst layer from the risk of external environmental pollution, thus extending the life of the electrolysis device and effectively exerting the efficiency of electrolytic dehumidification.

[0029] The membrane electrode assembly 31 includes an anode porous foil 311, an anode catalyst layer 312, a proton exchange membrane 313, a cathode catalyst layer 314, and a conductive carbon paper diffusion layer 315 arranged sequentially along the airflow direction. The DC anode conductor 37 is disposed between the anode porous foil 311 and the pure iron foil 35. The DC cathode conductor 38 is connected to the conductive carbon paper diffusion layer 315. The DC anode conductor 37, the membrane electrode assembly 31, and the DC cathode conductor 38 are connected to form a conductive electrolysis reaction circuit for water molecules.

[0030] The active water electrolysis molecule device 3 for reducing humidity in small spaces also includes several elastic sealing rings 39 and insulating seals 40 arranged around the water electrolysis molecule reaction circuit to prevent humidity in the external atmosphere from seeping into the interior of smart helmet displays, vehicle lights, monitoring probes, image detection, lidar detection sensors, etc.

[0031] The cathode catalyst layer 314 is preferably a cathode platinum-carbon Pt / C catalyst layer, the proton exchange membrane 313 is preferably a perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with an ePTFE microporous membrane, the anode catalyst layer 312 is preferably an anode platinum-carbon Pt / C catalyst layer, and the anode porous foil 311 is preferably an anode platinum-titanium Pt / Ti porous foil. The conductive carbon paper diffusion layer 315 is a conductor in the electrolysis circuit. This conductor has micropores that diffuse out from the micropores of the conductive carbon paper, releasing hydrogen gas electrolyzed from the cathode and water molecules synthesized from oxygen in the atmosphere under the action of the catalyst.

[0032] The preferred anode platinum-titanium (Pt / Ti) porous foil mesh is to enhance the catalytic electrolysis efficiency of water molecules at the anode and increase the area of ​​water molecules colliding with the anode, thus increasing the chances of water molecules being electrolyzed.

[0033] Water molecules in the anolyte chamber move randomly at high speed. Some collide with the platinum-carbon (Pt / C) catalyst on the anode side and the platinum-titanium (Pt / Ti) porous foil mesh on the anode side, resulting in an electrolytic reaction. The electrolytic decomposition reaction equation of water molecules under the action of the platinum-carbon catalyst on the anode side is: 2H₂O → O₂ + 4H₂O + +4e - Electrolysis releases oxygen atoms or molecules, hydrogen protons, and electrons.

[0034] The pure iron foil 35 absorber electrode assembly generates oxygen through the electrolysis of water molecules on the anode side. The pure iron foil 35 has a mesh-like structure, which can be selected or omitted by the customer depending on their needs. The oxygen atoms or molecules released by electrolysis react chemically with the porous iron wire mesh foil in the following equation: O2 + Fe → FeO2. Water molecules released into the internal space under the action of the platinum-carbon catalyst on the anode side, along with the oxygen already present inside, are eliminated by the oxidation reaction of the pure iron. This prevents the internal electrical components and circuits from being corroded by oxygen-rich atoms, maintaining a low internal oxygen concentration and avoiding the risk of spontaneous combustion caused by excessive internal oxygen concentration. The moisture content in the internal air is also continuously reduced under the action of the electrolysis device, resulting in a consistently low humidity level and a dry interior. Even with a low dew point in the external environment, smooth surfaces such as smart helmet displays, headlights, monitoring probes, image detectors, and lidar sensors do not experience fogging or condensation. This is a significant new innovation of the device, protecting the internal electronic components such as chips, integrated circuits, circuits, and PI insulation layers of smart helmet displays, headlights, monitoring probes, image detectors, and lidar sensors from corrosion in an oxygen-rich environment. This results in more reliable electrical performance, a lower failure rate, and a longer lifespan.

[0035] H2 produced by electrolysis under the action of platinum-carbon catalyst on the anode side + Under the influence of DC voltage, the perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with ePTFE microporous membrane flows to the cathode side. In the cathode catalyst layer (a platinum-carbon Pt / C catalyst), the following reaction occurs to generate hydrogen or water molecules: 4H₂O + +4e - —2H2, O2 + 4H + +4e - —2H2O;H + Under the action of the platinum-carbon catalyst on the cathode side, the following reaction occurs, generating hydrogen or water molecules which are released into the external atmosphere through convection with the outside air via the ePTFE microporous protective membrane. This results in an extremely low hydrogen concentration on the cathode side, maintaining a safe state and eliminating the dangers and hazards caused by hydrogen accumulation in the cathode chamber.

[0036] The continuous drying zone 13 is a concave cavity 4 with an opening facing the inside of the headlight 2, and a desiccant 41 with continuous drying capability is provided inside the cavity.

[0037] The concave cavity 4 has a perforated cover plate 42 at the opening facing the inside of the headlight 2. The perforated cover plate 42 is fixedly connected to the cover body 1 by welding, bonding or screws.

[0038] The desiccant 41 is a continuous desiccant pack filled with a large amount of desiccant, which can rapidly absorb moisture to reduce its internal humidity and maintain its internal air dryness without fogging. The desiccant is a common desiccant or a mixture of reversible hygroscopic particulate matter and micro-particles that efficiently absorb far-infrared radiation energy (see patent CN108579351B for details).

[0039] Common desiccants include magnesium chloride desiccant, silica gel desiccant, calcium chloride desiccant, mineral desiccant, montmorillonite powder desiccant, quicklime powder desiccant, biochemical desiccant, carbon molecular sieve desiccant, chemical fiber desiccant, column desiccant, or shipping container drying strips.

[0040] The highly efficient far-infrared radiation energy-sensitive substance provides energy for the drying of reversible hygroscopic particulate matter, removing trace moisture and restoring the continuous hygroscopic drying capacity of the mixture of reversible hygroscopic particulate matter and highly efficient far-infrared radiation energy-sensitive powder particles. The hygroscopic particulate matter is one or more of the following: reversible desiccant, bentonite, silica aerogel, carbon molecular sieve, carbon aerogel adsorbent, and water-absorbing resin. The highly efficient far-infrared radiation energy-sensitive powder particles include one or more of the following: carbon products, biochar, tourmaline, far-infrared ceramics, zirconium carbide, metal oxides, and silicon carbide.

[0041] The built-in continuous drying pack of this invention can quickly and rapidly absorb moisture to keep the air inside the headlights dry, ensuring that the headlights do not fog up even after the car has been driven off the production line at zero kilometers or after a long period of parking. This ensures that the headlights perform effectively (long and bright illumination, clear radar from the built-in camera sensor, no electrical short circuits, and no corrosion of internal components, etc.).

[0042] The working principle of this invention: A headlight rear cover assembly with a desiccant for persistently eliminating fogging via active electrolysis of water molecules is connected to the car headlight. After the cathode and anode conductors of the active electrolysis device for safely reducing humidity in small spaces are connected to a power source and activated, the device continuously electrolyzes water molecules in the air inside the headlight, accelerating the reduction of humidity. Simultaneously, the internal electrical components of the headlight generate heat, increasing the internal air pressure. The humid air inside the headlight is rapidly absorbed by the continuous drying pack, or by the hygroscopic particulate matter and highly efficient far-infrared radiation absorbed by the device pack. The mixture of micro-particles also releases micro-moisture into the headlight. Under the energy of absorbed thermal infrared radiation, the mixture of reversible hygroscopic particles is further dried, so that the mixture of reversible hygroscopic particles continues to have the ability to absorb moisture and dry after the headlight stops working. This makes the air humidity inside the headlight much lower than the dew point temperature of the external environment, so that no fogging occurs on the mirror or smooth surface inside the headlight, allowing the headlight to perform effectively. The headlight rear cover assembly of the present invention, which uses active electrolytic water molecules with desiccant to permanently eliminate fogging, has a built-in desiccant, ensuring that no fogging occurs when the car is driven off the production line at zero kilometers or after a long period of parking.

[0043] When the headlights stop working, the temperature of the internal electrical components and the internal air temperature drop, leading to an equilibrium of internal and external pressure. The ordinary continuous drying pack or the mixture containing reversible moisture-absorbing particles in the device of this invention continues to absorb moisture and dry the internal air after the headlights stop working, so that the humidity of the air inside the headlights remains very low. If the headlights stop working, a backup power supply can be activated to provide power support to the source electrolysis water molecule device of this invention, ensuring that the headlights always perform effectively.

[0044] In summary, this invention can maintain a low oxygen concentration level inside the vehicle headlight, preventing corrosion damage to the internal electrical components and circuits caused by oxygen-rich atoms and avoiding the risk of spontaneous combustion due to excessive internal oxygen concentration. The moisture content in the air inside the headlight is also continuously reduced by the electrolysis device, resulting in a consistently low humidity level and keeping the interior dry. Even in environments with low dew points, the smooth glass surface of the headlight lens remains free of fogging and condensation, ensuring the headlight's illumination is long and bright, the built-in camera sensor radar is clear, there are no electrical short circuits, and internal components are free from corrosion.

[0045] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A vehicle headlight rear cover assembly with desiccant for long-lasting defogging elimination via active electrolysis of water molecules, characterized in that, include: A cover located on the air convection path inside and outside the headlights, with at least one rapid dehumidification channel and a continuous drying zone on the cover; The rapid dehumidification channel is equipped with an active water molecule electrolysis device that safely reduces humidity in small spaces; the continuous drying zone is a concave cavity with an opening facing the inside of the headlight, and the cavity is equipped with a desiccant with continuous drying capabilities.

2. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 1, is characterized in that... The connection between the cover and the plastic housing of the automotive headlights can be achieved through snap-fit, threaded connection, or flange port connection.

3. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 1, is characterized in that... The active electrolysis water molecule device for reducing humidity in small spaces is connected to the rapid dehumidification channel by means of threaded connection, interference fit, adhesive or snap-fit.

4. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 1, is characterized in that... The concave cavity has a perforated cover plate at the opening facing the inside of the headlight. The perforated cover plate is fixedly connected to the cover body by welding, bonding or screws.

5. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 1, is characterized in that... The desiccant is a continuous drying package filled with a desiccant, which is a common desiccant or a mixture of reversible hygroscopic particulate matter and micro-particles that efficiently absorb far-infrared radiation energy.

6. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 5, is characterized in that... Common desiccants include magnesium chloride desiccant, silica gel desiccant, calcium chloride desiccant, mineral desiccant, montmorillonite powder desiccant, quicklime powder desiccant, biochemical desiccant, carbon molecular sieve desiccant, chemical fiber desiccant, column desiccant, or shipping container drying strips.

7. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 5, is characterized in that... The highly efficient far-infrared radiation energy-sensitive substance provides energy for the drying of the reversible hygroscopic particulate matter, removing trace moisture and restoring the continuous hygroscopic drying capacity of the mixture of the reversible hygroscopic particulate matter and the micro-particles of the substance that efficiently absorbs far-infrared radiation energy. The hygroscopic particulate matter is one or more of the following: reversible desiccant, bentonite, silica aerogel, carbon molecular sieve, carbon aerogel adsorbent, and water-absorbing resin. Highly efficient far-infrared radiation energy-sensitive microparticles include: carbon products, biochar, tourmaline, far-infrared ceramics, zirconium carbide, metal oxides, and silicon carbide, among one or more of these.

8. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 1, is characterized in that... An active water molecule electrolysis device for safely reducing humidity in small spaces includes a membrane electrode assembly. The membrane electrode assembly divides the airflow channel into an anode electrolysis chamber and a cathode cavity. The anode electrolysis chamber is positioned facing inwards towards the headlight and has a pure iron foil sheet at its port for airflow. The pure iron foil sheet absorbs oxygen generated by the electrolysis of water molecules in the anode electrolysis chamber of the membrane electrode assembly. The cathode cavity is positioned facing outwards towards the headlight and has an ePTFE microporous breathable protective membrane at its port.

9. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 8, is characterized in that... The membrane electrode assembly includes an anode porous foil mesh, an anode catalyst layer, a proton exchange membrane, a cathode catalyst layer, and a conductive carbon paper diffusion layer arranged sequentially along the airflow direction. The DC anode conductor is located between the anode porous foil mesh and the pure iron foil sheet, and the DC cathode conductor is connected to the conductive carbon paper diffusion layer. The DC anode conductor, the membrane electrode assembly, and the DC cathode conductor are connected to form a conductive electrolysis reaction circuit for water molecules.

10. The headlight rear cover assembly with desiccant for long-term defogging elimination via active electrolysis of water molecules, as described in claim 8, is characterized in that... The cathode catalyst layer is a cathode platinum-carbon Pt / C catalyst layer, the proton exchange membrane is a perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with an ePTFE microporous membrane, the anode catalyst layer is an anode platinum-carbon Pt / C catalyst layer, and the anode porous foil is an anode platinum-titanium Pt / Ti porous foil.

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