Active electrolyzed water molecule one-way fog dispersal device with drying agent bag

Abstract

The utility model discloses an active electrolyzed water molecule one-way fog dispersal device with a desiccant bag, which comprises a base arranged on external equipment, a through mounting cavity A and a mounting cavity B with a unilateral opening are arranged in the base, the mounting cavity A and the mounting cavity B are mutually isolated, a one-way oxygen exhausting and dehumidifying device is arranged in the mounting cavity A, and the desiccant bag is arranged in the one-way oxygen exhausting and dehumidifying device. A drying agent bag is arranged in the mounting cavity B. A porous cover plate is arranged at an opening of the mounting cavity B. The one-way oxygen exhausting and dehumidifying device and the breathable porous cover plate are communicated with the internal space of external equipment. By means of the mode, the active electrolyzed water molecule one-way fog dispersal device with the drying agent bag has the functions of absorbing moisture in an explosive mode, rapidly reducing the internal humidity of the device and keeping internal air dry and free of fogging for a long time, and the drying effect is lasting.

Description

Technical Field

[0001] The utility model relates to the field of dehumidification devices, in particular to an active electrolytic water molecule one-way demisting device with a desiccant bag. Background Art

[0002] Smart helmet displays, headlights, monitoring probes, image detection, laser radar detection sensors, offshore equipment cabinets and other products and equipment with sealed housings containing electronic components will have internal temperatures that rise when in operation and decrease when stopped. When the temperature and humidity change outside (such as fog, rain and other weather conditions), the humidity and air pressure inside the sealed housing products and equipment with electronic components will rise due to the changes in temperature and humidity inside and outside the housing, and their transparent masks or lenses may even fog, condense water and expand and deform the housing. This phenomenon can cause insulation failure and short circuit of electronic components, and in severe cases, fire, explosion and other dangerous situations may occur, which may cause immeasurable serious consequences to operators or people close to sealed housings and equipment with electronic components, such as image signal distortion and misjudgment, unclear driving lighting, and safety of life and property.

[0003] At present, in order to solve this problem, various fields in China usually use desiccant or heating fans to dehumidify and reduce the internal moisture humidity. Since the desiccant has a low moisture absorption rate and is not waterproof and has a short lifespan, it needs to be dried regularly before use. If it encounters water, it needs to be replaced with a new desiccant; the heating fan consumes high current, needs waterproof treatment and has a certain amount of noise; it is difficult to meet the requirements of engineering applications.

[0004] At present, electrolytic components that use the principle of water electrolysis will cause excessive oxygen concentration inside smart helmet displays, car lights, monitoring probes, image detection, lidar detection sensors, etc. The oxygen atoms or molecules released by electrolysis will cause rust and poor contact of the internal electrical components and circuits (internal chips, integrated blocks and other electronic components, lines, PI insulation layers, etc.) in an oxygen-rich environment. Continuous electrolysis will cause excessive accumulation of internal oxygen concentration, resulting in the risk of spontaneous combustion; hydrogen accumulation on the cathode side will pose a risk of hydrogen explosion; and frequent electrical failures make it difficult to meet the user's reliability requirements. Summary of the invention

[0005] The main technical problem solved by the utility model is to provide an active electrolytic water molecule one-way demisting device with a desiccant bag, which has the function of explosive moisture absorption to quickly reduce its internal humidity and permanently keep the internal air dry and free of demisting, and the drying effect is long-lasting.

[0006] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide an active electrolytic water molecule unidirectional demisting device with a desiccant pack, comprising a base installed on an external device, the base being provided with a through installation cavity A and a single-sided opening installation cavity B, the installation cavity A and the installation cavity B being isolated from each other, the installation cavity A being provided with a unidirectional oxygen exhaust and dehumidification device, the installation cavity B being provided with a desiccant pack, the opening of the installation cavity B being provided with a porous cover plate, the unidirectional oxygen exhaust and dehumidification device and the breathable porous cover plate being connected to the internal space of the external device.

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

[0008] In a preferred embodiment of the present invention, a plurality of ventilation holes are provided on the porous cover plate.

[0009] In a preferred embodiment of the present invention, a plurality of connecting buckles are arranged at intervals in the circumferential direction of the base.

[0010] In a preferred embodiment of the utility model, the one-way oxygen exhaust and dehumidification device includes a shell threadedly connected in the installation cavity A, a membrane electrode assembly is arranged in the shell, the membrane electrode assembly divides the air flow channel into an air inlet end and an exhaust end, the air inlet end is provided with a continuous one-way moisture-permeable coating membrane, the exhaust end is provided with an ePTFE microporous breathable protective membrane, and an oxygen exhaust channel connecting the air inlet end with the outside is opened on the shell, the anode side of the membrane electrode assembly faces the air inlet end, the cathode side of the membrane electrode assembly faces the air outlet end, and the air inlet end is connected to the internal space of the external equipment.

[0011] In a preferred embodiment of the present invention, a PET protective layer with through holes is 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 which are arranged in sequence.

[0013] In a preferred embodiment of the utility model, 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, the anode porous foil is an anode platinum-titanium Pt / Ti porous foil, and a DC anode conductor and a DC cathode conductor are further provided in the shell, the DC anode conductor is connected to the anode platinum-titanium Pt / Ti porous foil, and the DC cathode conductor is connected to the conductive carbon paper diffusion layer.

[0014] In a preferred embodiment of the utility model, an elastic sealing ring and an insulating sealing member cooperating with the DC anode conductor and the DC cathode conductor are further provided in the shell.

[0015] In a preferred embodiment of the utility model, a through-hole cover plate is provided on the exhaust end, and the ePTFE microporous breathable protective membrane is arranged on the end surface of the through-hole cover plate.

[0016] The beneficial effects of the utility model are as follows: the active electrolytic water molecule one-way demisting device of the utility model with a desiccant bag can absorb water molecules inside the device when the device is working to reduce the humidity inside the device, and continue to absorb moisture and dry the internal air after the device stops, so that the humidity of the air inside the device is maintained at a very low state.

[0017] The utility model discloses an active electrolytic one-way demisting device with a desiccant bag, which continuously electrolyzes water molecules in the air inside the device when the one-way oxygen exhaust dehumidification device is working, so that the humidity inside the device decreases rapidly. Meanwhile, after the device is working, the electrical components inside the device generate heat, so that the internal air pressure increases. The hot and humid air inside the device is quickly absorbed by the desiccant bag. Meanwhile, the desiccant bag discharges trace moisture into the device and is electrolyzed by the one-way oxygen exhaust dehumidification device, so that the desiccant bag can continue to absorb moisture when the device stops. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0019] Figure 1 It is a structural schematic diagram of the utility model of an active electrolytic water molecule one-way demisting device with a desiccant bag;

[0020] Figure 2 yes Figure 1 Right view of;

[0021] Figure 3 It is a structural schematic diagram of a one-way oxygen exhaust dehumidification device;

[0022] Figure 4 yes Figure 3 AA section view;

[0023] The components in the accompanying drawings are marked as follows: 1. Shell, 2. Insulating seal, 3. Elastic sealing ring, 4. Through-hole cover, 5. Membrane electrode assembly, 6. ePTFE microporous breathable protective film, 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 mesh, 13. DC cathode conductor, 14. Continuous unidirectional moisture-permeable coating membrane, 15. DC anode conductor, 16. Oxygen exhaust channel, 17. Air inlet end, 18. Exhaust end, 19. External equipment, 20. Base, 21. Connecting buckle, 22. Desiccant bag, 23. Porous cover. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiment of the utility model will be described clearly and completely below. The structure, proportion, size, etc. illustrated in the drawings of this specification are only used to match the content disclosed in the specification, so that people familiar with this technology can understand and read, and are not used to limit the limiting conditions that can be implemented in the utility model, so they have no technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effect that can be produced by the utility model and the purpose that can be achieved, should still fall within the scope of the technical content disclosed in the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of narration, and are not used to limit the scope that can be implemented. The change or adjustment of its relative relationship should also be regarded as the scope that can be implemented in the utility model without substantially changing the technical content.

[0025] See also Figures 1 to 4 , an active electrolytic water molecule unidirectional defogging device with a desiccant bag, comprising a base 20 mounted on an external device 19, with a plurality of connection buckles 21 arranged at intervals in the circumferential direction of the base 20, and the entire device is mounted on the external device 19 through the connection buckles 21, and the external device 19 can be a sealed device with electronic components such as an intelligent helmet display, a car light, a monitoring probe, an image detection, a laser radar detection sensor, and an electric cabinet for marine equipment. A through-going installation cavity A and a single-side opening installation cavity B are provided in the base 20, and the installation cavity A and the installation cavity B are isolated from each other.

[0026] A desiccant bag 22 is provided in the installation cavity B, and a porous cover plate 23 is provided at the opening of the installation cavity B. The one-way oxygen exhaust and dehumidification device and the air-permeable porous cover plate 23 are in communication with the internal space of the external device 19. A plurality of vents are provided on the porous cover plate 23. The gas in the internal space enters the installation cavity B through the air-permeable porous cover plate 23, and the desiccant bag 22 can absorb the humid air to keep the air of the external device 19 dry.

[0027] The desiccant bag 22 is a common desiccant bag or a reversible hygroscopic desiccant bag. The reversible hygroscopic desiccant bag is a mixture of hygroscopic particulate matter and micropowder particles of a substance that efficiently absorbs far-infrared radiation energy. The reversible hygroscopic particulate matter is one or more of a reversible desiccant, bentonite, silica aerogel, carbon molecular sieve, carbon aerogel adsorbent and water-absorbent resin; the micropowder particles of a substance that efficiently absorbs far-infrared radiation energy sensitive include one or more of carbon element products, biochar, tourmaline, far-infrared ceramics, zirconium carbide, metal oxides and silicon carbide. The substance that efficiently absorbs far-infrared radiation energy sensitive provides energy for drying the hygroscopic reversible hygroscopic particulate matter to remove micro-water, so that the mixture of hygroscopic particulate matter and micropowder particles of a substance that efficiently absorbs far-infrared radiation energy can restore the hygroscopic drying capacity. Common desiccants include 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, shipping container desiccant strips, etc.

[0028] A one-way oxygen exhaust and dehumidification device is provided in the installation cavity A. The one-way oxygen exhaust and dehumidification device comprises a shell 1 having an air flow channel, a membrane electrode assembly 5 is provided in the shell 1, and the membrane electrode assembly 5 divides the air flow channel into an air inlet end 17 and an air outlet end 18. The anode side of the membrane electrode assembly 5 faces the air inlet end 17, and the cathode side of the membrane electrode assembly 5 faces the air outlet end. An oxygen exhaust channel 16 is provided on the shell 1 to connect the air inlet end 17 with the outside, and oxygen in the reaction process is discharged from the oxygen exhaust channel 16.

[0029] The air inlet end 17 is provided with a coating membrane 14 that is continuously unidirectionally permeable, and the air outlet end 18 is provided with an ePTFE microporous breathable protective membrane 6. The ePTFE microporous breathable protective membrane 6 forms a filtering breathable protective layer on the one hand, which discharges the hydrogen produced by cathode electrolysis and the water molecule gas synthesized with oxygen in the atmosphere under the action of the catalyst; on the other hand, it prevents rainwater, dust, oil and other pollutants in the external environment from entering the cathode cavity, protects the cathode and catalyst layer from the risk of external environmental pollution, and prolongs the life of the electrolysis device, effectively exerting the efficiency of electrolytic dehumidification.

[0030] The continuous one-way moisture-permeable coating film 14 adopts a polyurethane emulsion coating agent (see patent CN103862728B for details). The polyurethane molecular structure contains a high molecular compound containing -NHCOO- units. Its main principle is to introduce an appropriate amount of hydrophilic groups on the polymer chain, which spontaneously disperses under certain conditions to form an emulsion. The PU macromolecule contains a large number of polar groups and has a strong intermolecular force, resulting in excellent film-forming properties. It can form a tough and durable film on the fabric, and it also has certain moisture permeability. The reason is: on the one hand, the polar groups or hydrophilic groups in PU, such as -OH, -NHCOO-, -COOH, silicone powder, etc., act as "chemical stepping stones" to make water vapor molecules migrate from the high humidity side to the low humidity side along the ladder; theoretically, there are mainly hydrophilic groups on the polymer chain, and as long as the content and arrangement of the hydrophilic groups are appropriate, they can interact with water molecules, and with the help of hydrogen bonds and other intermolecular forces, after adsorbing water on the high humidity side, it is transferred to the low humidity side for desorption through the hydrophilic groups on the polymer chain. Therefore, moisture permeability is essentially a process of "adsorption-diffusion-transfer-desorption". The hydrophilic group is called a "chemical stepping stone". In the presence of a pressure difference, moisture is transferred from one side to the other in a directional manner. This process is also a unidirectional moisture permeability process.

[0031] The continuous one-way moisture-permeable coating film 14 is obtained by rolling a polyurethane emulsion coating agent containing hydrophilic groups on the surface of one side of the expanded polytetrafluoroethylene membrane, drying the coating at a temperature of 80°C to 100°C, and storing it at room temperature for 24 hours. The coating is solidified on the surface of the expanded polytetrafluoroethylene membrane to form a dense and durable coating. The coating contains hydrophilic groups and interacts with water molecules. With the help of hydrogen bonds and other intermolecular forces, it absorbs moisture on the high-humidity side and then transfers it to the low-humidity side for desorption through the hydrophilic groups on the polymer chain. Therefore, moisture permeability is essentially a process of "adsorbing" water vapor molecules on the surface of the hydrophilic group polyurethane coating - water molecules "diffuse" from the inside of the hydrophilic group polyurethane coating to the outside - water molecules "desorb" on the interface between the hydrophilic group polyurethane coating and the expanded polytetrafluoroethylene membrane - water molecules enter the dense micropores of the expanded polytetrafluoroethylene membrane and discharge moisture to the external environment. The hydrophilic group is called a "chemical stepping stone". In the presence of a pressure difference, micro-water is transferred directionally from the side with high concentration to the other side with low humidity. This process is also called a one-way moisture permeability process.

[0032] A large number of tests on the coating film 14 with continuous unidirectional moisture permeability have found that the moisture permeability of water vapor discharged from the coating side to the expanded polytetrafluoroethylene membrane side is greater than the moisture permeability of water vapor discharged from the expanded polytetrafluoroethylene membrane side to the coating side. The difference in the two moisture permeability directions leads to the difference in moisture permeability. The moisture permeability from the coating side to the outside is about 30% greater than the moisture permeability from the expanded polytetrafluoroethylene membrane side to the shell 1. By utilizing the huge difference in moisture permeability in the two directions, the coating film is applied to electrical (automotive light) electronic equipment, the coating side of the coating film faces the automotive electrical (automotive light) electronic equipment, and the expanded polytetrafluoroethylene membrane of the coating film faces the external atmosphere; in this way, the water vapor in the shell of the electrical (automotive light) electronic equipment is continuously discharged, showing the characteristic of unidirectional continuous discharge of water vapor from the shell 1 to the external environment. When the electrical (automotive light) electronic equipment is working, when the temperature in the shell 1 is high, the more active the hydrophilic polymer chain segment of the coating is, the faster the speed of adsorption, diffusion and desorption of water vapor molecules is.

[0033] The continuous one-way moisture permeable coating membrane 14 has the function of one-way moisture permeability and airtightness. The function of the continuous one-way moisture permeable coating membrane 14 is that the anode electrolysis chamber is separated by the continuous one-way moisture permeable coating membrane 14 into a chamber connected to the external atmospheric environment. The water molecules in the separated anode chamber are electrolyzed under the action of the platinum-carbon catalyst on the anode side to release oxygen atoms or molecules, hydrogen protons and electrons; the oxygen atoms or molecules released by electrolysis are continuously released to the external atmospheric environment through small channels. The separated anode chamber presents a micro-positive pressure dry environment with very low humidity under the action of the electrolysis function. The water molecules in the hot and humid air inside the smart helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, etc. migrate to the anode chamber through the one-way moisture permeable coating membrane, permeate, diffuse and desorb to the anode chamber to be electrolyzed. (Moisture permeability is essentially a process of "adsorption-diffusion-transfer-desorption". The hydrophilic group is called a "chemical stepping stone". In the presence of a pressure difference, the micro-water content is directed from the high-concentration side to the wet side. The moisture content in the air inside the device is also continuously reduced under the action of the electrolysis device, and the humidity value continues to decrease, and the inside of the device remains in a dry state. Even if the dew point of the external environment is very low, the smooth mirror surface of the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. will not be fogged or condensed. This is an important new major innovation of the device, which prevents the electronic components, circuits, PI insulation layers, etc. inside the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. from being corroded by oxygen-rich environments, and their electrical performance is more reliable, with lower failure rates and longer service life.

[0034] The outer side of the shell has an external thread for installing the membrane electrode assembly 5 and connecting to equipment such as smart helmet displays, car lights, monitoring probes, image detection, and lidar detection sensors. A through-hole cover plate 4 is provided on the exhaust end 18, and the through-hole cover plate 4 and the shell bracket can be fixed by welding or gluing. The ePTFE microporous breathable protective membrane 6 is arranged on the end face of the cover plate. A PET protective layer 7 with through holes is also bonded to the outside of the ePTFE microporous breathable protective membrane 6, and the two brackets can be connected by an adhesive. The PET protective layer 7 with through holes can increase the strength of the ePTFE microporous breathable protective membrane 6.

[0035] The elastic sealing ring 3 compresses the membrane electrode assembly 5, so that the conductivity of the electrolysis circuit of the device is better. 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 net 12 arranged in sequence. 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 net 12 is an anode platinum titanium Pt / Ti porous foil net. A DC anode conductor 15 and a DC cathode conductor 13 are also provided in the shell, the DC anode conductor 15 is connected to the anode platinum titanium Pt / Ti porous foil net, the DC cathode conductor 13 is connected to the conductive carbon paper diffusion layer 8, and the DC anode conductor 15 and the DC cathode conductor 13 form a conductive electrolysis reaction loop.

[0036] The conductive carbon paper diffusion layer 8 is an electrolytic circuit conductor having microporous through holes, through which hydrogen produced by cathode electrolysis and water molecule gas synthesized with oxygen in the atmosphere under the action of a catalyst are diffused and discharged.

[0037] The cathode platinum carbon Pt / C catalyst layer is the cathode side catalyst layer. The H produced by electrolysis under the action of the anode side platinum carbon catalyst + Under the action of DC voltage, H+ flows through the perfluorosulfonic acid proton exchange membrane or the perfluorosulfonic acid proton exchange membrane reinforced with ePTFE microporous membrane to reach the cathode side. Under the action of the platinum-carbon catalyst on the cathode side, the H+ reacts as follows to generate hydrogen molecules or water molecules:

[0038] 4H + +4e—2H2, O2+4H + +4e - —2H2O; H + Under the action of the platinum-carbon catalyst on the cathode side, the following reaction is formed to generate hydrogen molecules or water molecules, which are released into the atmosphere of the external environment through the ePTFE microporous membrane and the external atmospheric convection of the smart helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, etc., making the hydrogen concentration on the cathode side extremely low and in a safe state.

[0039] Perfluorosulfonic acid proton exchange membrane or perfluorosulfonic acid proton exchange membrane reinforced with ePTFE microporous membrane is H + Under the action of the electric field force formed by the voltage between the anode and the cathode, H + Conducted to the cathode side, this proton exchange membrane 10 only allows H + By blocking the passage of electrons, electrons flow through the DC power supply through the conductor circuit, forming a closed conductive system loop.

[0040] The perfluorosulfonic acid proton exchange membrane or the perfluorosulfonic acid proton exchange membrane reinforced with the ePTFE microporous membrane electrolyzes the water molecules in the internal space of the intelligent helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, etc. to reduce the internal humidity. Even under very low dew point conditions, no fogging and condensation will occur, because the cause of fogging and condensation is the micro-water humidity inside. The innovative structure of the device uses the proton exchange membrane 10 with good chemical stability, proton conductivity, and gas separation as a solid electrolyte, which can effectively prevent electron transfer. The oxygen atoms electrolyzed at the anode are continuously released to the external atmospheric environment through small pores, eliminating the oxygen atoms and oxygen hazards of the electrolyzed oxygen atoms in the anode chamber. The hydrogen atoms electrolyzed at the cathode and the synthesized water molecules and hydrogen diffuse with the external air through the ePTFE microporous breathable protective membrane 6, eliminating the explosive hazards of hydrogen accumulation in the cathode chamber. The innovative structure of the device improves the safety of the electrolysis device and engineering applications.

[0041] The anode platinum carbon Pt / C catalyst layer is the anode catalyst layer 11. The water molecules in its internal space move irregularly at high speed. Some of them collide with the anode side platinum carbon catalyst and the platinum titanium conductive network to cause electrolytic reaction. The electrolytic decomposition reaction equation of water molecules under the action of the anode side platinum carbon catalyst is: 2H2O—O2+4H + +4e - , oxygen atoms or molecules, hydrogen protons and electrons released by electrolysis.

[0042] The shell is also provided with an elastic sealing ring 3 and an insulating sealing member 2 that cooperate with the DC anode conductor 15 and the DC cathode conductor 13. The insulating sealing member 2 is used to prevent humidity in the external atmosphere from penetrating into the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc.

[0043] The anode platinum titanium Pt / Ti porous foil mesh enhances the efficiency of catalytic electrolysis of water molecules at the anode and increases the area of ​​the anode that collides with the water molecules inside it and the chance of water molecules being electrolyzed.

[0044] The device is assembled and connected with the intelligent helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. The connection methods can be threaded connection, flange screw connection or bayonet installation, etc. A DC voltage of 1.23V to 3V is applied to the anode and cathode of the device. The water molecules in the internal space of the intelligent helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. move irregularly at high speed. Some of them collide with the platinum-carbon catalyst on the anode side and the platinum-titanium conductive net to cause electrolytic reaction. The electrolytic decomposition reaction equation of water molecules under the action of the platinum-carbon catalyst on the anode side is:

[0045] 2H2O—O2+4H+ +4e - , oxygen atoms or molecules, hydrogen protons and electrons released by electrolysis;

[0046] Under the action of the platinum-carbon catalyst on the anode side, water molecules release oxygen and its oxygen atoms into the anode chamber and continuously release them to the external atmosphere through small pores. The continuous one-way moisture-permeable coating membrane 14 has the function of one-way moisture-permeable but airtight. The function of the continuous one-way moisture-permeable coating membrane 14 is that the anode electrolysis chamber is separated by the continuous one-way moisture-permeable coating membrane 14 into a chamber connected to the external atmosphere. The water molecules in the separated anode chamber are electrolyzed under the action of the platinum-carbon catalyst on the anode side to release oxygen atoms or molecules, hydrogen protons and electrons; the electrolysis releases The oxygen atoms or molecules released are continuously released to the external atmosphere through the small pores. The separated anode chamber presents a micro-positive pressure dry environment with very low humidity under the action of the electrolysis function. The water molecules in the hot and humid air inside the smart helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, etc. migrate to the anode chamber through the one-way moisture permeable coating membrane, permeate, diffuse, desorb, and are electrolyzed in the anode chamber. (Moisture permeability is essentially a process of "adsorption-diffusion-transfer-desorption". The hydrophilic group is called a "chemical stepping stone". In the case of pressure difference, the micro-water is transferred from the side with high concentration to the other side with low humidity. This process is also a one-way moisture permeation process. The coating film 14 with continuous one-way moisture permeability has the function of one-way moisture permeability and airtightness, so that the electrical components and circuits installed therein are prevented from being damaged by the corrosion of oxygen-rich atoms, and the internal oxygen concentration level is maintained at the same state as the atmospheric concentration and the risk of spontaneous combustion caused by excessive internal oxygen concentration is avoided; the micro-water content in the air inside it is also continuously reduced under the action of the electrolysis device, and the humidity value continues to decrease, and the inside is kept in a dry state. Even if the dew point of the external environment is very low, the smooth mirror surface of the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. does not have fogging and condensation. This is an important new major innovation of the device, which makes the electronic components, circuits, PI insulation layers, etc. of the internal chips, integrated blocks, etc. of the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. protected from corrosion in the oxygen-rich environment, and their electrical performance is more reliable, the failure rate is lower, and the service life is longer. The H+ electrolyzed under the action of the platinum-carbon catalyst on the anode side flows through the perfluorosulfonic acid proton exchange membrane or the perfluorosulfonic acid proton exchange membrane reinforced with the ePTFE microporous membrane under the action of the DC voltage to reach the cathode side. Under the action of the platinum-carbon catalyst on the cathode side, the H+ forms the following reaction to generate hydrogen molecules or water molecules:

[0047] 4H + +4e—2H2, O2+4H + +4e - —2H2O; H +Under the action of the platinum-carbon catalyst on the cathode side, the following reaction is formed to generate hydrogen molecules or water molecules, which are released into the atmosphere of the external environment through the ePTFE microporous membrane and the external atmospheric convection of the smart helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, etc., making the hydrogen concentration on the cathode side extremely low and in a safe state.

[0048] The device of the present invention is connected to the housing of the electronic components sealed equipment with good rigidity by snap-on or threaded connection or French port connection, and the technical problem solved is that the desiccant pack has a large amount of desiccant, has explosive moisture absorption, quickly reduces the internal humidity and keeps the internal air dry without fogging for a long time, and the cost of ordinary desiccant packs is low, and the desiccant packs can be conveniently replaced according to a certain time period. The desiccant in the desiccant pack can be an ordinary desiccant, or a mixture of hygroscopic particulate matter and micropowder particles of a material that efficiently absorbs far-infrared radiation energy.

[0049] After the device of the present invention is connected to the equipment housing and the power supply terminal of the "active electrolytic water molecule device for unidirectionally reducing humidity in a limited space by discharging oxygen to the outside" is connected, the power supply of the starting device is turned on. The "active water molecule electrolysis device that unidirectionally reduces the humidity in a limited space by discharging oxygen to the outside" continuously electrolyzes the water molecules in the air inside these devices (migrating and diffusing to the anode chamber to be electrolyzed), causing the humidity inside these devices to drop faster. At the same time, after the equipment is working, the internal electrical components generate heat, causing the internal air pressure to increase. The hot and humid air inside the equipment is quickly absorbed by the desiccant package, or the mixture of hygroscopic particulate matter and micropowder particles of a substance that efficiently absorbs far-infrared radiation energy in the device package also discharges micro-moisture into the equipment, and further dries the mixture of reversible hygroscopic particles under the energy of absorbed thermal infrared, so that the mixture of reversible hygroscopic particles continues to have the ability to absorb moisture and dry after the equipment stops working, so that the air humidity (dryness) inside the above-mentioned equipment is much lower than the dew point temperature of the external environment, so that there is no fogging on the internal mirror or smooth surface of smart helmet displays, car lights, monitoring probes, image detection, lidar detection sensors, marine equipment electrical cabinets, etc., so that the performance of these devices can be effectively exerted.

[0050] When the above-mentioned equipment stops working, the temperature of the electrical components and the internal air temperature drop, resulting in the balance of internal and external pressures. The ordinary desiccant bag of the device of the present invention or the mixture of reversible hygroscopic particles in the bag continues to absorb moisture and dry the air inside the equipment after the equipment stops working, so that the humidity of the air inside the equipment is maintained at a very low state. If the backup power supply is enabled after the above-mentioned equipment stops working to provide power support for the "active electrolysis device for unidirectionally reducing the humidity in a limited space by discharging oxygen to the outside" of the device of the present invention, the functional module of the device of the present invention for electrolyzing the water molecules inside the above-mentioned equipment works for a long time, and the humidity inside the smart helmet display, car lights, monitoring probes, image detection, laser radar detection sensors, marine equipment electrical cabinets, etc. can be permanently reduced, so that the humidity inside is maintained at a very low level in a dry state, and no fogging occurs on the internal mirror or smooth surface; these devices have stopped working for a long time and no fogging occurs on the internal mirror or smooth surface when they are restarted to ensure that their performance is effectively exerted (the lighting effect of the car lights is far and bright, the monitoring camera is clear, there is no electrical short circuit and no rust on the internal components, etc.).

[0051] The active electrolysis of water molecules with a desiccant bag in the present invention can unidirectionally eliminate fogging, so that the oxygen concentration level inside the device is maintained at a relatively low state, and the electrical components and circuits installed therein are protected from corrosion damage by oxygen-rich atoms and the risk of spontaneous combustion caused by excessive oxygen concentration inside the device; the micro-moisture content in the air inside the shell is also continuously reduced under the action of the electrolysis device, and the humidity value continues to decrease, and the interior is kept in a dry state. Even if the dew point of the external environment is very low, there is no fogging and condensation on the smooth mirror surfaces of the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc. This is an important new major innovative aspect of the device, which prevents the electronic components, circuits, PI insulation layers, etc., such as chips and integrated blocks inside the smart helmet display, headlights, monitoring probes, image detection, laser radar detection sensors, etc., from being corroded by the oxygen-rich environment, and their electrical performance is more reliable, the failure rate is lower, and the service life is longer. In addition, the cathode chamber of the device uses an ePTFE microporous breathable protective membrane, which, on the one hand, forms a breathable protective layer with atmospheric convection filtration, continuously discharges the hydrogen electrolyzed by the cathode and the water molecule gas synthesized with oxygen in the atmosphere under the action of its catalyst, eliminating the risk of hydrogen explosion caused by hydrogen accumulation on the cathode side; on the other hand, it prevents rainwater, dust, oil and other pollutants in the external environment from entering the cathode cavity, protecting the cathode and catalyst layer from the risk of external environmental pollution, thereby extending the life of the electrolysis device and effectively exerting the efficiency of electrolytic dehumidification.

[0052] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. An active electrolytic water molecule one-way demisting device with a desiccant bag, comprising a base mounted on an external device, characterized in that: A through installation cavity A and a single-sided opening installation cavity B are provided in the base, the installation cavity A and the installation cavity B are isolated from each other, a one-way oxygen exhaust and dehumidification device is provided in the installation cavity A, a desiccant bag is provided in the installation cavity B, a porous cover plate is provided at the opening of the installation cavity B, and the one-way oxygen exhaust and dehumidification device and the breathable porous cover plate are connected to the internal space of the external equipment.

2. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 1 is characterized in that: The desiccant bag is a common desiccant bag or a reversible moisture absorbing desiccant bag.

3. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 2 is characterized in that: The porous cover plate is provided with a plurality of ventilation holes.

4. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 3 is characterized in that: A plurality of connecting buckles are arranged at intervals in the circumferential direction of the base.

5. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to any one of claims 1 to 4, characterized in that: The one-way oxygen exhaust and dehumidification device includes a shell threadedly connected in the installation cavity A, a membrane electrode assembly is arranged in the shell, the membrane electrode assembly divides the air flow channel into an air inlet end and an air outlet end, the air inlet end is provided with a continuously one-way moisture-permeable coating membrane, the air outlet end is provided with an ePTFE microporous breathable protective membrane, and an oxygen exhaust channel connecting the air inlet end with the outside is opened on the shell, the anode side of the membrane electrode assembly faces the air inlet end, the cathode side of the membrane electrode assembly faces the air outlet end, and the air inlet end is connected with the internal space of the external equipment.

6. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 5, characterized in that: The outer side of the ePTFE microporous breathable protective film is also bonded with a PET protective layer with through holes.

7. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 5, characterized in that: The membrane electrode assembly comprises a conductive carbon paper diffusion layer, a cathode catalyst layer, a proton exchange membrane, an anode catalyst layer and an anode porous foil net which are arranged in sequence.

8. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 7, 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, the anode porous foil is an anode platinum-titanium Pt / Ti porous foil, and a DC anode conductor and a DC cathode conductor are also provided in the shell, the DC anode conductor is connected to the anode platinum-titanium Pt / Ti porous foil, and the DC cathode conductor is connected to a conductive carbon paper diffusion layer.

9. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 8, characterized in that: An elastic sealing ring and an insulating sealing member matched with the DC anode conductor and the DC cathode conductor are also arranged in the shell.

10. The one-way demisting device for active electrolysis of water molecules with a desiccant bag according to claim 9, characterized in that: A through-hole cover plate is provided on the exhaust end, and the ePTFE microporous breathable protective membrane is arranged on the end surface of the through-hole cover plate.

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