Safe active water molecule electrolysis apparatus having desiccant pack

By using a safe active water molecule electrolysis device with a desiccant pack, and by treating the air with a membrane electrode assembly and a desiccant pack, the problems of fogging and corrosion of electronic components under temperature and humidity changes and in oxygen-rich environments are solved. This achieves a low humidity and low oxygen state inside the equipment, improving the safety and reliability of the equipment.

WO2025246215A1PCT designated stage Publication Date: 2025-12-04DELIGHTSTREAM ELECTRONIC TECH (CHANGZHOU) CO LTD
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Patent Information

Application Number
PCT/CN2024/134108
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-28
Filing Date
2024-11-25
Publication Date
2025-12-04

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively address the issues of fogging, condensation, and shell expansion and deformation in the sealed casings of electronic components under varying temperature and humidity conditions. These problems can lead to insulation failure, short circuits, and spontaneous combustion risks. Furthermore, the water electrolysis components can cause corrosion and hydrogen accumulation and explosion risks in oxygen-rich environments.

Method used

It adopts a safe active water molecule electrolysis device with a desiccant pack. The air flow channel is separated by a membrane electrode assembly. Pure iron foil absorbs oxygen, ePTFE microporous breathable protective membrane filters hydrogen, desiccant pack absorbs moisture, anode catalyst layer electrolyzes water molecules to generate oxygen and oxidizes it, cathode catalyst layer generates hydrogen and discharges it, maintaining a low humidity and low oxygen environment inside.

Benefits of technology

This achieves a low humidity and low oxygen environment inside the equipment, avoiding the risks of fogging, condensation, and spontaneous combustion, improving the reliability and lifespan of electronic components, and reducing the failure rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

Disclosed is a safe active water molecule electrolysis apparatus having a desiccant pack, comprising a housing having an air flow channel. A membrane electrode assembly is provided in the housing. The membrane electrode assembly divides the air flow channel into an air intake end and an air discharge end. An anode side of the membrane electrode assembly faces the air intake end, and a cathode side of the membrane electrode assembly faces the air discharge end. The air intake end is provided with a pure iron foil sheet for an airflow to pass through, and the pure iron foil sheet absorbs oxygen produced by electrolyzing water molecules on the anode side of the membrane electrode assembly. The air discharge end is provided with an ePTFE microporous ventilation protective membrane. A desiccant pack is further provided in the housing, a porous cover plate is provided at an opening of the housing facing an external device, and the desiccant pack is in communication with an internal space of the external device by means of the porous cover plate. The safe active water molecule electrolysis apparatus having a desiccant pack of the present invention can absorb oxygen in the interior of a device so that the oxygen content is in a low state and also has the function of explosively absorbing moisture to quickly reduce the internal humidity of the device and persistently keep the internal air of the device dry without fogging.
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Description

Safe active water molecule electrolysis device with desiccant pack Technical Field

[0001] This invention relates to the field of dehumidification devices, and in particular to a safe active water molecule electrolysis device with a desiccant pack. Background Technology

[0002] Products and equipment with sealed housings containing electronic components, such as smart helmet displays, vehicle lights, monitoring probes, image detection, lidar detection sensors, and marine engineering equipment electrical cabinets, experience increased internal temperatures during operation and decreased internal temperatures when not in use. Under external temperature and humidity changes (such as heavy fog or rain), the internal humidity and air pressure of these sealed housings with electronic components may increase due to these temperature and humidity fluctuations. This can lead to fogging, condensation, and even expansion and deformation of the housing, affecting the transparent face shield or lenses. Such phenomena can cause insulation failure and short circuits in electronic components, and in severe cases, fire or explosion, posing immeasurable and serious consequences for operators or personnel approaching these sealed housings or equipment with electronic components, including distorted image signals, poor lighting, and loss of life and property.

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

[0004] Currently, electrolysis components based on the principle of water electrolysis can cause excessively high oxygen concentrations inside smart helmet displays, vehicle lights, monitoring probes, image detection, and lidar detection sensors. The oxygen atoms or molecules released during electrolysis can cause poor contact and corrosion of internal electrical components and circuits (internal chips, integrated circuits, electronic components, circuits, PI insulation layers, etc.) in an oxygen-rich environment. Continuous electrolysis can lead to excessive accumulation of oxygen concentration inside, 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 safe active water molecule electrolysis device with a desiccant pack, which can absorb oxygen inside the device to keep the oxygen content at a low level, while also having the function of explosively absorbing moisture to quickly reduce the internal humidity and keep the internal air dry and free from fogging for a long time, with a long-lasting drying effect.

[0006] To solve the above-mentioned technical problems, the present invention provides a safe active water molecule electrolysis device with a desiccant pack, comprising a housing with an air flow channel, a membrane electrode assembly inside the housing, the membrane electrode assembly dividing the air flow channel into an air inlet and an air outlet, the anode side of the membrane electrode assembly facing the air inlet and the cathode side facing the air outlet, the air inlet being provided with a pure iron foil sheet for airflow, the pure iron foil sheet absorbing oxygen generated by the electrolysis of water molecules on the anode side of the membrane electrode assembly, the air outlet being provided with an ePTFE microporous breathable protective membrane, the housing also containing a desiccant pack, and a porous cover plate at the opening of the housing facing external equipment, the desiccant pack communicating with the internal space of the external equipment through the porous cover plate.

[0007] In a preferred embodiment of the present invention, the desiccant pack is a common desiccant pack or a reversible moisture-absorbing desiccant pack.

[0008] In a preferred embodiment of the present invention, the porous cover plate is provided with a plurality of vent holes.

[0009] In a preferred embodiment of the present invention, the base is provided with a plurality of connecting buckles spaced apart in the circumferential direction.

[0010] In a preferred embodiment of the present invention, the pure iron foil sheet has a mesh-like structure.

[0011] In a preferred embodiment of the present invention, a PET protective layer with through holes is also bonded to the outer side of the ePTFE microporous breathable protective membrane.

[0012] In a preferred embodiment of the present invention, the membrane electrode assembly includes a conductive carbon paper diffusion layer, a cathode catalyst layer, a proton exchange membrane, an anode catalyst layer, and an anode porous foil mesh arranged sequentially. 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 mesh is an anode platinum-titanium Pt / Ti porous foil mesh.

[0013] In a preferred embodiment of the present invention, the housing is further provided with a DC anode conductor and a DC cathode conductor. The DC anode conductor is connected to the anode platinum-titanium Pt / Ti porous foil mesh, and the DC cathode conductor is connected to the conductive carbon paper diffusion layer. The pure iron foil is pressed onto the housing by the DC anode conductor.

[0014] In a preferred embodiment of the present invention, the housing is further provided with an elastic sealing ring and an insulating sealing element that cooperate with the DC anode conductor and the DC cathode conductor.

[0015] In a preferred embodiment of the present invention, the exhaust end is provided with a through-hole cover plate, the ePTFE microporous breathable protective membrane is disposed on the end face of the through-hole cover plate, and the outer side of the housing has external threads.

[0016] The beneficial effects of the present invention are: the present invention is a safe active electrolysis water molecule device with a desiccant pack. The desiccant pack can absorb water molecules inside the device when the device is working, reducing the humidity inside the device. After the device is stopped, it continues to absorb moisture and dry the air inside the device, so that the humidity of the air inside the device is maintained at a very low level.

[0017] This invention relates to a safe active water molecule electrolysis device with a desiccant pack. Water molecules release oxygen atoms or molecules through electrolysis under the action of a platinum-carbon catalyst on the anode side. These oxygen atoms or molecules react with pure iron foil to undergo an oxidation reaction, eliminating the oxygen atoms or molecules and preventing internal components from being corroded by oxygen-rich atoms. The internal oxygen concentration level is maintained at a low level, avoiding the risk of spontaneous combustion caused by excessive internal oxygen concentration. Attached Figure Description

[0018] 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:

[0019] Figure 1 is a schematic diagram of the structure of the safe active water molecule electrolysis device with desiccant pack of the present invention;

[0020] Figure 2 is a right view of Figure 1;

[0021] The components in the attached diagram are labeled as follows: 1. Housing, 2. Insulating seal, 3. Elastic sealing ring, 4. Through-hole cover plate, 5. Membrane electrode assembly, 6. ePTFE microporous breathable protective membrane, 7. PET protective layer with through holes, 8. Conductive carbon paper diffusion layer, 9. Cathode catalyst layer, 10. Proton exchange membrane, 11. Anode catalyst layer, 12. Anode porous foil, 13. DC cathode conductor, 14. Pure iron foil, 15. DC anode conductor, 16. Equipment, 17. Air inlet, 18. Air outlet, 19. Desiccant pack, 20. Porous cover plate. Detailed Implementation

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below. The structures, proportions, sizes, etc., illustrated in the accompanying drawings are only for illustrative purposes to aid those skilled in the art and are not intended to limit the implementation conditions of the present invention. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effects and objectives of the present invention, should still fall within the scope of the technical content disclosed in the present invention. Furthermore, terms such as "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity of description and are not intended to limit the scope of implementation. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of the present invention.

[0023] [Correction 17.01.2025 based on Rule 91] Please refer to Figures 1 and 2. A safe active water molecule electrolysis device with a desiccant pack includes a housing 1 with an air flow channel. A membrane electrode assembly 5 is disposed inside the housing 1, and the membrane electrode assembly 5 divides the air flow channel into an air inlet 17 and an air outlet 18. The anode side of the membrane electrode assembly 5 faces the air inlet 17, and the cathode side of the membrane electrode assembly 5 faces the air outlet. An oxygen exhaust channel 16 is provided on the housing 1 to connect the air inlet 17 with the outside, and oxygen in the reaction process is discharged from the oxygen exhaust channel 16.

[0024] The housing 1 also contains a desiccant pack 19. The opening of the housing 1 facing the external equipment is provided with a perforated cover plate 20, which has multiple ventilation holes. The desiccant pack 19 communicates with the internal space of the external equipment 16 through the perforated cover plate 20.

[0025] The desiccant pack is either a regular desiccant pack or a reversible moisture-absorbing desiccant pack. Desiccant pack 22 is either a regular desiccant pack or a reversible moisture-absorbing desiccant pack. The reversible moisture-absorbing desiccant pack is a mixture of hygroscopic particulate matter and micro-particles of a substance that efficiently absorbs far-infrared radiation energy. The reversible 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 a substance that efficiently absorbs 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. The substance that efficiently absorbs far-infrared radiation energy provides energy for drying the hygroscopic reversible hygroscopic particulate matter, removing trace amounts of moisture, so that the mixture of hygroscopic particulate matter and micro-particles of a substance that efficiently absorbs far-infrared radiation energy can restore its moisture-absorbing and drying capacity. 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-shaped desiccant, and shipping container drying strips, etc.

[0026] The outer side of the housing 1 has external threads for mounting the membrane electrode assembly 5 and connecting it to devices such as smart helmet displays, vehicle lights, monitoring probes, image detection, and lidar detection sensors. The exhaust end 18 has a through-hole cover plate 4, which can be fixed to the housing support by welding or adhesive. An ePTFE microporous breathable protective membrane 6 is disposed on the end face of the cover plate. A PET protective layer 7 with through holes is also bonded to the outer side of the ePTFE microporous breathable protective membrane 6, and the two supports can be connected by adhesive. The PET protective layer 7 with through holes increases the strength of the ePTFE microporous breathable protective membrane 6.

[0027] The exhaust end 18 is equipped with an ePTFE microporous breathable protective membrane 6. The ePTFE microporous breathable protective membrane 6 forms a filter and breathable protective layer, expelling the hydrogen gas produced by cathode electrolysis and the water molecule gas synthesized by the catalyst and oxygen in the atmosphere, thus eliminating the dangers caused by hydrogen accumulation in the cathode chamber. On the other hand, it prevents rainwater, dust, oil and other contaminants from entering the cathode chamber, protecting the cathode and catalyst layer from the risk of external environmental pollution, thus extending the life of this electrolysis device and effectively maximizing the efficiency of electrolytic dehumidification.

[0028] The elastic sealing ring 3 presses the membrane electrode assembly 5, improving the conductivity of the electrolysis circuit. The membrane electrode assembly 5 includes a conductive carbon paper diffusion layer 8, a cathode catalyst layer 9, a proton exchange membrane 10, an anode catalyst layer 11, and an anode porous foil 12 arranged sequentially. The cathode catalyst layer 9 is a cathode platinum-carbon Pt / C catalyst layer, the proton exchange membrane 10 is a perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with an ePTFE microporous membrane, the anode catalyst layer 11 is an anode platinum-carbon Pt / C catalyst layer, and the anode porous foil 12 is an anode platinum-titanium Pt / Ti porous foil 12. A DC anode conductor 15 and a DC cathode conductor 13 are also provided inside the housing. The DC anode conductor 15 is connected to the anode platinum-titanium Pt / Ti porous foil 13, and the DC cathode conductor 13 is connected to the conductive carbon paper diffusion layer 8. The DC anode conductor 15 and the DC cathode conductor 13 form a conductive electrolysis reaction circuit.

[0029] The conductive carbon paper diffusion layer 8 is a conductor in the electrolysis circuit. This conductor has micropores and through-holes, through which hydrogen gas electrolyzed from the cathode and water molecule gas synthesized from oxygen in the atmosphere under the action of the catalyst diffuse out.

[0030] The cathode platinum-carbon (Pt / C) catalyst layer is the cathode-side catalyst layer. H₂ is produced by electrolysis under the action of the anode-side platinum-carbon catalyst. + Under the influence of DC voltage, the H+ ions flow through a perfluorosulfonic acid proton exchange membrane or a perfluorosulfonic acid proton exchange membrane reinforced with ePTFE microporous membrane to the cathode side. There, under the action of a platinum-carbon catalyst on the cathode side, H+ ions react to form hydrogen or water molecules as follows:

[0031] 4H + +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. These molecules are then released into the external atmosphere through convection with the external atmosphere via the ePTFE microporous membrane and the components such as smart helmet displays, vehicle lights, monitoring probes, image detection, and lidar sensors. This results in an extremely low hydrogen concentration on the cathode side, maintaining a safe state.

[0032] Perfluorosulfonic acid proton exchange membranes, or perfluorosulfonic acid proton exchange membranes reinforced with ePTFE microporous membranes, are H... + Under the influence of the electric field force generated by the voltage between the anode and cathode, H + Conducted to the cathode side, this type of proton exchange membrane only allows H10 to pass through. + By blocking electrons from passing through, electrons flow through the conductor circuit and through the DC power supply, forming a closed conductive system circuit.

[0033] Perfluorosulfonic acid proton exchange membranes (PFSEs) or PFSEs reinforced with ePTFE microporous membranes electrolyze water molecules within the internal space of smart helmet displays, vehicle lights, monitoring probes, image detection, and lidar detection sensors, reducing their internal humidity. Even at very low dew points, no condensation or fogging occurs, as condensation is caused by the internal micro-moisture content. The innovative structure uses a proton exchange membrane 10, which possesses excellent chemical stability, proton conductivity, and gas separation properties, as a solid electrolyte, effectively preventing electron transfer. Oxygen atoms electrolyzed at the anode are continuously released into the external atmosphere through small pores, eliminating the hazardous hazards of electrolyzed oxygen atoms and oxygen gas in the anode chamber. Hydrogen atoms electrolyzed at the cathode, along with their synthesized water molecules and hydrogen gas, diffuse through the ePTFE microporous breathable protective membrane 6 with the external air via convection, eliminating the explosive hazards of hydrogen gas accumulation in the cathode chamber. This innovative structure enhances the safety of the electrolysis device and its engineering applications.

[0034] The anode platinum-carbon (Pt / C) catalyst layer, designated as anode catalyst layer 11, contains water molecules that move at high speeds and randomly. Some of these molecules collide with the anode-side platinum-carbon catalyst and the platinum-titanium conductive mesh, resulting in an electrolytic reaction. The electrolytic decomposition reaction equation for water molecules under the action of the anode-side platinum-carbon catalyst is: 2H₂O → O₂ + 4H₂O + +4e -Electrolysis releases oxygen atoms or molecules, hydrogen protons, and electrons. A pure iron foil 14 is provided at the inlet end to allow airflow, and the pure iron foil 14 absorbs the oxygen generated by the electrolysis of water molecules on the anode side of the membrane electrode assembly. The pure iron foil 14 has a mesh-like structure. 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 internal environment. 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 chips, integrated circuits, circuits, and PI insulation layers inside 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] The housing also includes an elastic sealing ring 3 and an insulating seal 2 that mate with the DC anode conductor 15 and the DC cathode conductor 13. The insulating seal 2 prevents humidity from the external atmosphere from seeping into the interior of the smart helmet display, headlights, monitoring probes, image detection, and lidar detection sensors.

[0036] The platinum-titanium (Pt / Ti) porous foil anode enhances the efficiency of water molecule electrolysis at the anode and increases the area of ​​water molecule collision with the anode, thus increasing the chances of water molecule electrolysis.

[0037] The device is assembled and connected to a smart helmet display, vehicle lights, monitoring probes, image detectors, and lidar sensors. Connection methods include threaded connections, flange screw connections, and bayonet mounting. A DC voltage of 1.23V to 3V is applied to the anode and cathode of the device. Water molecules within the internal spaces of the smart helmet display, vehicle lights, monitoring probes, image detectors, and lidar sensors move at high speeds and randomly. Some collide with the platinum-carbon catalyst and platinum-titanium conductive mesh on the anode side, undergoing an electrolytic reaction. The electrolytic decomposition reaction equation of water molecules under the action of the platinum-carbon catalyst on the anode side is as follows:

[0038] 2H₂O—O₂+4H + +4e - Electrolysis releases oxygen atoms or molecules, hydrogen protons, and electrons, etc.

[0039] Under the action of the platinum-carbon catalyst on the anode side, water molecules release oxygen and oxygen atoms into the anode chamber, which are then continuously released into the external atmosphere through small pores. The continuously unidirectionally permeable coating membrane 14 has the function of being permeable to moisture but impermeable to air. The function of the continuously unidirectionally permeable coating membrane 14 is to separate the anode electrolysis chamber into a chamber connected to the external atmosphere. In this separated anode chamber, water molecules, under the action of the platinum-carbon catalyst on the anode side, electrolyze and release oxygen atoms or molecules, hydrogen protons, and electrons, etc. Oxygen atoms or molecules are continuously released into the external atmosphere through small pores. The separated anode chamber, under the action of electrolysis, presents a low-humidity, slightly positive-pressure dry environment. Water molecules in the humid air inside smart helmet displays, vehicle lights, monitoring probes, image detectors, and lidar sensors migrate, diffuse, and desorb into the anode chamber through a one-way permeable coating membrane, where they are electrolyzed. (Permeability is essentially a process of "adsorption-diffusion-transfer-desorption." The hydrophilic groups are called "chemical steppes.") Under pressure differentials, trace moisture flows directionally from the side with higher concentration to the side with lower humidity. This process is known as unidirectional moisture permeation. The continuously unidirectionally permeable coating membrane 14 possesses the function of being permeable to moisture but not airtight, preventing the internal electrical components and circuits from being corroded by oxygen-rich atoms. Its internal oxygen concentration is maintained at the same level as atmospheric oxygen, avoiding the risk of spontaneous combustion caused by excessive internal oxygen concentration. The trace moisture content in the internal air also continuously decreases under the action of the electrolysis device, resulting in a continuously decreasing humidity value and maintaining a dry internal state. Even when the external dew point is very low, 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, which protects 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 oxygen-rich environments. This results in more reliable electrical performance, lower failure rates, and longer lifespans. The H+ ions generated by electrolysis under the action of the platinum-carbon catalyst on the anode side flow through the perfluorosulfonic acid proton exchange membrane or the perfluorosulfonic acid proton exchange membrane reinforced with ePTFE microporous membrane under the action of DC voltage to reach the cathode side. Under the action of the platinum-carbon catalyst on the cathode side, the H+ ions form hydrogen molecules or water molecules in the following reaction:

[0040] 4H + +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. These molecules are then released into the external atmosphere through convection with the external atmosphere via the ePTFE microporous membrane and the components such as smart helmet displays, vehicle lights, monitoring probes, image detection, and lidar sensors. This results in an extremely low hydrogen concentration on the cathode side, maintaining a safe state.

[0041] After the power is turned on, the active water electrolysis device continuously electrolyzes water molecules in the air inside the equipment, causing the humidity inside the equipment to drop rapidly. At the same time, the internal electrical components heat up after the equipment starts working, increasing the internal air pressure. The hot and humid air inside the equipment is quickly absorbed by the desiccant pack, or the mixture of hygroscopic microparticles and microparticles that efficiently absorb far-infrared radiation energy in the device pack also releases micro-moisture into the equipment. Under the energy of absorbing thermal infrared radiation, the mixture of reversible hygroscopic microparticles is further dried, so that the mixture of reversible hygroscopic microparticles continues to have the ability to absorb moisture and dry after the equipment stops working. This makes the air humidity (dryness) inside the equipment much lower than the dew point temperature of the external environment. As a result, there is no fogging on the internal mirrors or smooth surfaces of smart helmet displays, vehicle lights, monitoring probes, image detection, lidar detection sensors, marine engineering equipment electrical cabinets, etc., allowing these devices to perform effectively.

[0042] When the aforementioned equipment stops working, the temperature of its internal electrical components and the internal air temperature drop, leading to an equilibrium of internal and external pressure. Ordinary desiccant packets or mixtures of reversible moisture-absorbing particles within them continue to absorb moisture and dry the internal air after the equipment stops operating, maintaining a very low humidity level. If a backup power supply is activated to provide power to the active water electrolysis device after the equipment stops working, the humidity inside smart helmet displays, vehicle lights, monitoring probes, image detection, lidar sensors, marine engineering equipment cabinets, etc., can be continuously reduced, maintaining a very low and dry internal humidity level, with no fogging on internal mirrors or smooth surfaces. Even after long-term shutdown, the absence of fogging on internal mirrors or smooth surfaces upon restarting ensures effective performance (vehicle lights provide long and bright illumination, monitoring cameras provide clear images, electrical circuits are free of short circuits, and internal components are free of corrosion, etc.).

[0043] The present invention and its embodiments have been described above illustratively. This description is not restrictive, and the figures shown are only one embodiment of the present invention; the actual structure is not limited thereto. Therefore, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A safe active water molecule electrolysis device with a desiccant pack, comprising a housing having an air flow channel, wherein a membrane electrode assembly is disposed within the housing, the membrane electrode assembly dividing the air flow channel into an air inlet and an air outlet, the anode side of the membrane electrode assembly facing the air inlet and the cathode side of the membrane electrode assembly facing the air outlet, characterized in that, The air inlet is provided with a pure iron foil sheet for airflow. The pure iron foil sheet absorbs oxygen generated by the electrolysis of water molecules on the anode side of the membrane electrode assembly. The exhaust end is provided with an ePTFE microporous breathable protective membrane. The housing is also provided with a desiccant pack. The opening of the housing facing the external equipment is provided with a porous cover plate. The desiccant pack is connected to the internal space of the external equipment through the porous cover plate.

2. The safe active water molecule electrolysis device with desiccant pack according to claim 1, characterized in that, The desiccant pack is a regular desiccant pack or a reversible moisture-absorbing desiccant pack.

3. The safe active water molecule electrolysis device with desiccant pack according to claim 2, characterized in that, The porous cover plate has multiple ventilation holes.

4. The safe active water molecule electrolysis device with desiccant pack according to claim 3, characterized in that, The base is provided with multiple connecting buckles spaced apart on its circumference.

5. The safe active water molecule electrolysis device with desiccant pack according to claim 1, characterized in that, The pure iron foil has a mesh-like structure.

6. The safe active water molecule electrolysis device with desiccant pack according to claim 1, characterized in that, The outer side of the ePTFE microporous breathable protective membrane is also bonded with a PET protective layer with through holes.

7. The safe active water molecule electrolysis device with desiccant pack according to claim 1, characterized in that, The membrane electrode assembly includes a conductive carbon paper diffusion layer, a cathode catalyst layer, a proton exchange membrane, an anode catalyst layer, and an anode porous foil mesh arranged sequentially. 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 mesh is an anode platinum-titanium Pt / Ti porous foil mesh.

8. The safe active water molecule electrolysis device with desiccant pack according to claim 7, characterized in that, The housing is also equipped with a DC anode conductor and a DC cathode conductor. The DC anode conductor is connected to the anode platinum-titanium Pt / Ti porous foil mesh, and the DC cathode conductor is connected to the conductive carbon paper diffusion layer. The pure iron foil is pressed onto the housing by the DC anode conductor.

9. The safe active water molecule electrolysis device with desiccant pack according to claim 8, characterized in that, The housing is also equipped with an elastic sealing ring and an insulating sealing element that cooperate with the DC anode conductor and the DC cathode conductor.

10. The safe active water molecule electrolysis device with desiccant pack according to claim 1, characterized in that, The exhaust end is provided with a through-hole cover plate, the ePTFE microporous breathable protective membrane is disposed on the end face of the through-hole cover plate, and the outer side of the shell has external threads.

Citation Information

Patent Citations

  • Isothermal dehumidification oxygen-enriched electrochemical device and application

    CN106400047A

  • Electrochemical dehumidification device based on screen net type amphoteric ion exchange membrane electrodes

    CN106949571A

  • Demist membrane module for removing moisture in shell by adopting infrared radiation drying and preparation method thereof, and rear cover of vehicle lamp

    CN108579351A

  • Electrolytic assembly, electrolytic dehumidification device and production method of electrolytic assembly

    CN113559680A

  • Safe active water molecule electrolysis device capable of accelerating exhaust in one way

    CN118437129A