CN111905131A - Vehicle-mounted hypochlorous acid water sterilizer - Google Patents

Abstract

The invention discloses a vehicle-mounted hypochlorous acid water sterilizer. The technical scheme of the machine includes a casing, a water tank is installed in the casing, an electrolysis box is placed in the water tank, a water absorption rod is inserted into the water tank, and an ultrasonic misting sheet is arranged on the upper end of the water absorption rod. The bottom of the shell is provided with a centrifugal fan that blows air upward; the upper end face of the electrolytic box is provided with an opening, the electrolytic box is provided with an anion exchange membrane covering the opening, and the upper end of the anion exchange membrane is provided with an anode-level electrolyte sheet and an anion exchange membrane. The lower end of the car is provided with a negative electrolytic sheet, and the negative electrolytic sheet is placed inside the electrolytic box, which can effectively disinfect the car and reduce the negative impact of the disinfectant on the health of personnel.

Description

Vehicle-mounted hypochlorous acid water disinfection machine

technical field

The invention relates to the field of a vehicle-mounted sterilizer, more particularly, to a vehicle-mounted hypochlorous acid water sterilizer.

Background technique

With the development of economy, there are more and more private vehicles, the vehicle space is small and there are many items. The items in the car cannot be killed in time and effectively, especially the taxis are used by many people, which is easy to cause the intersection of infectious diseases. Infection spread. In contact with others, it is cross-infected to others. At the same time, the air in the car is of poor quality due to factors such as smoking, dust and fibers, and prolonged inhalation will cause physical discomfort. Therefore, private cars and taxis need simple and effective ways to prevent the spread of germs, effectively kill viruses and bacteria, and reduce the risk of spreading bacteria and viruses. Drive healthy.

However, the existing disinfection methods in private cars mostly use spraying 84 disinfectant for disinfection treatment, but the main component of 84 disinfectant is sodium hypochlorite, which remains in the sprayed place for a long time, and is easily contaminated by personnel in private cars. , which will have a negative impact on the health of passengers.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a vehicle-mounted hypochlorous acid water sterilizer, which can reduce the negative impact of the disinfectant on the health of personnel while effectively sterilizing the interior of the vehicle.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A vehicle-mounted hypochlorous acid water sterilizer comprises a casing, a water tank is installed in the casing, an electrolysis box is placed in the water tank, a water absorption rod is inserted into the water tank, the upper end of the water absorption rod is provided with an ultrasonic fogging sheet, and the bottom of the casing is provided with an upward direction Air blowing centrifugal fan;

The upper end face of the electrolytic box is provided with an opening, the electrolytic box is provided with an anion exchange membrane covering the opening, the upper end of the anion exchange membrane is provided with an anode-level electrolyte sheet, the lower end of the anion-exchange membrane is provided with a cathode-level electrolyte sheet, and the cathode-level electrolyte sheet is provided. placed inside the electrolytic box.

By adopting the above technical solutions, electrolyzed sodium chloride water is used in this design, and most of the Na+ is isolated by the anion exchange membrane of the electrolysis box, so that a large amount of hypochlorous acid water is produced in the electrolyte, and then the hypochlorous acid is removed by the water absorption rod. The water is absorbed by the ultrasonic fogging sheet, and the ultrasonic fogging sheet makes the hypochlorous acid water form a disinfection water mist, and through the blowing action of the centrifugal fan, the disinfection water mist is diffused around. The advantage of this design is that the hypochlorous acid water produced It has a good disinfection effect. Secondly, the hypochlorous acid water is unstable and is easily decomposed by light, so that the hypochlorous acid water mist in the car body will quickly decompose when it has a disinfection effect, so the hypochlorous acid water mist will not be contaminated on the human body. Therefore, the safety performance of using the disinfectant in such a closed space in the vehicle is improved.

The preferred technical solution is a gap between the water tank and the casing for the centrifugal fan to blow out the airflow.

By adopting the above technical solution, the gap is favorable for the airflow to flow toward the upper end of the casing, so that the hypochlorous acid water can be effectively blown away and the disinfection area is increased.

In a better technical solution, the upper end of the casing is provided with a spiral air duct.

By adopting the above technical solution, the disinfection water mist generated by the ultrasonic fog-generating sheet is quickly blown out from the spiral air duct, and can be dispersed into every corner of the interior of the car for disinfection.

In a better technical solution, the upper end of the spiral air duct is provided with an upper top plate.

By adopting the above technical solution, the disinfection water mist is sprayed upwards and encounters the upper roof, thereby changing the flow direction, from upwards to spreading around, so that the disinfection water mist is quickly blown out and dispersed to all corners of the interior of the car, further achieving large-area disinfection. the goal of.

The preferred technical solution is that the anode-level electrolytic sheet and the cathode-level electrolytic sheet are arranged in parallel, and the distance between them ranges from 0.2 to 0.4 mm;

A plurality of through holes are opened on the surfaces of the anode-level electrolytic sheet and the cathode-level electrolytic sheet.

By adopting the above technical solution, the cathode and anode electrolytic sheets are arranged in parallel with a spacing of 0.2-0.4 mm, and the spacing can be 0.3 mm, so that a suitable electrolysis effect can be obtained under the condition of low voltage and low current.

The multiple through holes on the cathode and anode electrolytic sheets make the surfaces of the cathode and anode electrolytic sheets like a grid, which can greatly increase the electrolysis efficiency.

In a preferred technical solution, a reverse pole control board for the exchange of cathode and anode is arranged between the anode-level electrolytic sheet and the cathode-level electrolytic sheet.

By adopting the above technical solution, the reverse pole function is set in the control board (that is, the cathode and anode of the electrolytic sheet are reversed), and the cathode becomes the anode after pole reverse, which can well remove the metal ions adsorbed on the original cathode, and at the same time reverse the cathode and anode. The acidic solution produced on the current anode of the original cathode after the pole is fully neutralized with the alkaline solution accumulated in the cathode electrolytic cell, and the function of cleaning the electrolytic sheet and neutralizing the electrolyte is achieved. Therefore, the hypochlorous acid water of the present invention The manufacturing apparatus does not require dedicated channels for discharging alkaline liquids. The reverse pole cleaning has two functions, manual and automatic. When it is found that the accumulation of alkaline liquid in the cathode electrolytic cell increases the pH value of the spray liquid and affects the disinfection effect, the reverse pole cleaning function can be activated at any time; while the automatic cleaning is a According to the electrolysis degree of general water quality, the reverse pole cleaning function is automatically activated after setting a certain number of electrolysis times.

The preferred technical solution is that both the anode-level electrolyte sheet and the cathode-level electrolyte sheet are platinum-plated electrolyte sheets, and the anion-exchange membrane is an anion-exchange membrane (AEM) used in vanadium batteries.

By adopting the above technical solutions, an anion exchange membrane (AEM) specially used for vanadium batteries is innovatively used on the cathode. Different from the general ion exchange membrane, the Donan repulsion effect between the positively charged groups on the AEM membrane and the metal ions, It can effectively prevent the penetration of metal ions and fundamentally prevent the mutual contamination of the solutions on both sides of the membrane.

In the preferred technical solution, the upper end of the shell is provided with a water injection port, and a duckbill valve is connected between the water injection port and the water tank to prevent water from flowing out of the water injection port;

A water outlet pipe is connected to the bottom of the sink, and a drain plug is plugged at the bottom of the water outlet pipe.

By adopting the above technical solution, the water injection port is used to add sodium chloride brine, and the duckbill valve is equivalent to a one-way valve. Due to the elastic effect of the duckbill valve, it can effectively prevent the backflow of the sodium chloride brine to the shell.

The water outlet pipe will lead out the water in the sink, and the electrolyzed waste water will be discharged out of the casing through the drain plug.

The preferred technical solution is to install a pcb mainboard that controls the delayed spraying of the ultrasonic fogging sheet in the shell.

By adopting the above technical solution, when the shell spray is started, if the water mist of the hypochlorous acid water is directly sprayed, the occupants in the car will be directly sprayed by the hypochlorous acid water, which is not conducive to the health of the occupants. The design is a little long and very prominent. The extended spray of this design allows the passengers to have enough time to leave the car body; the extended spray time can be 30 seconds, 1 minute, 2 minutes, 3 minutes, 4 minutes or 5 minutes. The extended time also provides the reaction time for the electrolysis of sodium chloride water.

In a preferred technical solution, the bottom of the casing is provided with an air inlet.

By adopting the above technical solution, the gas blown by the centrifugal fan enters from the bottom, which can effectively air-cool the circuit board above.

To sum up, the present invention has the following beneficial effects:

1st: NaCl and H2O electrolysis in the water tank, due to the existence of anion exchange membrane, Na+ is isolated in the electrolysis box, H+ is synthesized into hydrogen, and Cl- and OH- are synthesized into HClO; the advantage of this design is that Na+ is isolated in the electrolysis box. inside the box, so that Na+ and OH- will not react, so a large amount of HClO can be generated. Ion exchange membranes are selectively permeable to ions of different charges. The cationic membrane only allows cations to pass through and prevents anions from passing through; the anion membrane only allows anions to pass through, preventing cations from passing through. Laminar flow will be generated between the electrolytic sheets due to the small spacing, so that the alkaline liquid and the acidic liquid produced by the cathode and the anode are immiscible. The alkaline solution generated in the electrolysis is accumulated, and the anode is set in the upper transparent solution bottle to generate a low-concentration, acidic hypochlorous acid aqueous solution.

Second, weakly acidic hypochlorous acid water is a recognized safe and efficient disinfectant. Hypochlorous acid is an inorganic small molecule that can penetrate the cell wall and cell membrane of microorganisms, destroy microorganisms' proteins, nucleic acids and other living substances, resulting in the death of microorganisms ; Hypochlorous acid only acts on organic substances such as bacteria and viruses, but for human or animal cells, because it will be decomposed by taurine on the cell surface, it will not affect the enzymes of cells, so it is harmless to humans and animals. Hypochlorous acid disinfectant can not only kill coronavirus, but also can effectively kill general bacteria, yeast-like fungi, bacillus viruses and spore viruses (for spore viruses, even medical iodine and alcohol cannot kill them). Hypochlorous acid disinfectant can be used in medical and health institutions, various public places, food processing, restaurants, households and other occasions; it can disinfect various objects, including endoscopes, surgical instruments, sores/wounds, skin Disinfection of mucous membranes, air, hands, surfaces and fabrics, fruits and vegetables, tableware, secondary water supply facilities, etc.

Third, the vehicle-mounted hypochlorous acid water sterilizer of the present invention uses a porous mesh, platinum-coated titanium metal electrolyte sheet, and innovatively uses an anion exchange membrane (AEM) dedicated to vanadium batteries on the cathode, which is different from the general ion exchange membrane (AEM). In the exchange membrane, the Donan repulsion effect between the positively charged groups on the AEM membrane and the metal ions can effectively prevent the penetration of the metal ions and fundamentally prevent the cross-contamination of the solutions on both sides of the membrane. At the same time, the cathode and anode electrolytic sheets are arranged in parallel, with a spacing of only 0.3mm, so that a suitable electrolysis effect can be obtained under the condition of low voltage and low current. While the ionic membrane prevents metal ions from entering the anode, laminar flow will occur between the two electrolytic sheets due to the small distance between the two electrolytic sheets, so that the alkaline liquid and the acidic liquid produced by the cathode and the anode are immiscible. In the small electrolytic cell specially set up in the chloric acid water production apparatus, the alkaline solution generated in the electrolysis is accumulated, and the anode is set in the upper transparent tank to generate low-concentration, acidic hypochlorous acid disinfection water.

Fourth, the vehicle-mounted hypochlorous acid water sterilizer of the present invention innovatively uses an ultrasonic misting sheet and a centrifugal fan. The water mist droplets generated by the ultrasonic misting sheet are very small, and can quickly reach the car’s air when blown by the strong wind of the centrifugal fan. Every corner, and the fine mist droplets will not cause damage to the electronic components of the car.

Fifth, the vehicle-mounted hypochlorous acid water sterilizer of the present invention innovatively sets the reverse pole function in the control panel (that is, the cathode and anode of the electrolytic sheet are reversed), and the cathode becomes the anode after the pole reverse, which can well The metal ions adsorbed on the original cathode are removed, and at the same time, the acidic solution generated on the current anode of the original cathode after the reverse pole is fully neutralized with the alkaline solution originally accumulated in the cathode electrolytic cell, so as to clean the electrolyte sheet and neutralize the electrolyte. function.

Sixth, the vehicle-mounted hypochlorous acid water disinfection machine of the present invention uses extremely low-concentration salt water (0.005g/ml), and the electrolysis process is set with colorful lights for catalysis, and the output is PH value between 4-6.5 , the effective chlorine content is about 100mg/L, which can be applied to the hypochlorous acid disinfection water on the surface of the human body. Due to the difference in water quality in various places, the amount of salt added needs to be adjusted.

Seventh, the vehicle-mounted hypochlorous acid water sterilizer of the present invention uses a large-capacity lithium polymer battery to provide electrolytic power, and is charged by a universal TYPE-C socket (USB5.0V), which greatly improves portability and applicability.

8. Place NaCl salt water in the water tank. The hypochlorous acid water maker uses a salt water concentration of 0.3g salt/200ml water. The concentration of hypochlorous acid is about 2ppm, which can be applied to the hypochlorous acid sterilization water on the surface of the human body. Due to the difference in water quality in various places, the amount of salt added needs to be adjusted.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the embodiment;

Fig. 2 is the exploded schematic diagram of embodiment;

3 is a cross-sectional view of the base of the water tank and the electrolysis box in the embodiment;

Fig. 4 is the enlarged view of A part in Fig. 3;

FIG. 5 is a schematic diagram of the connection relationship between the water tank, the water outlet pipe and the drain plug according to the embodiment.

In the picture:

1. Shell;

2. Water tank; 211, base; 212, upper cover; 21, power supply; 22, reverse pole control panel;

3. Electrolytic box; 31. Opening; 32. Anion exchange membrane; 33. Positive-level electrolyte sheet; 34. Cathodic-level electrolyte sheet;

41. Punching tube; 42. Inserting tube; 43. Air deflation gap;

5. Absorbent stick;

6. Ultrasonic fogging sheet; 61. PCB motherboard;

71. Centrifugal fan; 72. Spiral air duct; 73. Upper top plate; 74. Air inlet;

81, water injection port; 82, duckbill valve; 83 soft hose;

91. Water outlet pipe; 92. Drain plug; 93. Silicone tube.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

In an embodiment, the vehicle-mounted hypochlorous acid water sterilizer, as shown in Figures 1 and 2, includes a casing 1, the casing 1 is in the shape of a cylinder as a whole, and the upper end of the casing 1 is used to spray the hypochlorous acid water mist for disinfection. The bottom end of the shell 1 is provided with an air inlet 74, which is convenient for the gas to flow in from the bottom of the shell 1, and then flow out from the upper end of the shell 1. The effect is not only that it can blow the hypochlorous acid water mist, but also its effect on the shell. Good air cooling and cooling performance of each electrical equipment inside the body 1.

As shown in Figures 2 and 3, the core of this design is to generate hypochlorous acid water from brine.

The water tank 2 includes a base 211 and an upper cover 212 . The connection between the upper cover 212 and the bottom 211 is connected by a sealing ring to form a water tank 2; Place the electrolysis box 3;

Below the base of the water tank 2 are placed a power supply 21 and a reverse pole control board 22, the power supply 21 is a lithium battery; the reverse pole control board 22 is a PCB board, which can also control the opening and closing of lights and the power supply 21.

The reverse pole function is set in the reverse pole control board 22 (that is, the cathode and anode of the electrolytic sheet are reversed), and the cathode becomes an anode after pole reverse, which can well remove the metal ions adsorbed on the original cathode, and at the same time, the original cathode after reverse pole is reversed. The acidic solution generated on the current anode is fully neutralized with the alkaline solution accumulated in the cathode electrolytic cell, so as to achieve the function of cleaning the electrolytic sheet and neutralizing the electrolyte, so the hypochlorous acid water production apparatus of the present invention does not require A channel dedicated to draining alkaline liquids. The reverse pole cleaning has two functions, manual and automatic. When it is found that the accumulation of alkaline liquid in the cathode electrolytic cell increases the pH value of the spray liquid and affects the disinfection effect, the reverse pole cleaning function can be activated at any time; while the automatic cleaning is a According to the electrolysis degree of general water quality, the reverse pole cleaning function is automatically activated after a certain number of electrolysis times; the bottom of the lower layer can be fixed with a bottom plate by screws.

The structure and principle of the electrolytic cell 3 are set forth as follows: the electrolytic cell 3 is provided with a depression, the upper end of the electrolytic cell 3 is provided with a circular opening 31, the lower end of the electrolytic cell 3 is a bottom plate, and the electrolytic cell 3 is provided with an anion exchange membrane 32 covering the opening 31. , the upper end of the anion exchange membrane 32 is provided with an anode-level electrolyte sheet 33, and the lower end of the anion-exchange membrane 32 is provided with a cathode-level electrolyte sheet 34;

The anode-level electrolyte sheet 33 and the cathode-level electrolyte sheet 34 are both platinum-plated electrolyte sheets, and the anion exchange membrane 32 is an anion exchange membrane 32 (AEM) used in a vanadium battery; the anion exchange membrane 32 covers the opening 31 of the electrolysis box 3, Therefore, the cathode electrolyte sheet 34 is placed inside the electrolysis box 3 .

The anode-level electrolyte sheet 33 and the cathode-level electrolyte sheet 34 are arranged in parallel, and the distance between them is 0.3 mm; the surfaces of the anode-level electrolyte sheet 33 and the cathode-level electrolyte sheet 34 are both provided with a plurality of through holes.

Both the anode-level electrolyte sheet 33 and the cathode-level electrolyte sheet 34 are fastened by titanium screws as wires and the reverse electrode control plate 22, and the titanium screws also serve as guides.

The working principle of the electrolysis box 3: When the brine in the shell 1 is electrolyzed, the cathode electrolytic sheet concentrates sodium ions and hydrogen ions, and due to the isolation effect of the anion exchange membrane 32 (AEM), the sodium ions are largely isolated in the electrolysis. In the box 3, the hydrogen ions are then discharged as hydrogen gas, and the removal method will be further explained with reference to FIG. 4 .

Anion exchange membrane 32 (AEM) has good hydrophilicity, is an ion exchange membrane with good conductivity and good selective permeability, allows hydrogen ions (protons) to pass through, conducts protons, and can effectively isolate sodium ions. Features: (dark brown) ①Low resistivity, excellent electrical conductivity, low energy consumption and high selective transmittance. ② The same ion exchange resin has better catalytic effect, is not easy to be poisoned, and has a long service life. ③Stable and reliable performance, good acid resistance, alkali resistance and oxidation resistance, and excellent electrochemical performance when used below 80 °C. ④It is easy to handle and does not need to be regenerated. ⑤High bursting strength and good tearing strength. Performance index: Membrane model HoCEM Grion0011V Thickness (wet state) (mm) 0.28±0.02mm Dry and wet state expansion (%) 5~10 Water content (%) 40 (wet) Bursting strength (Kg/cm2) 6 Exchange capacity meq /g (dry) 2±0.2 meq/g (dry) Selective transmittance (%) 99 Film surface resistance (Ω.cm2) 2~3 Current density (mA.cm-2) <200 mA.cm-2 Resistance Temperature (°C)<80°C.

However, a large amount of chloride ions and hydroxide ions are concentrated on the upper end of the anion exchange membrane 32, and the chloride ions form chlorine gas. The equation with water is:

Cl2+H2O=HCl+HClO

Therefore, a large amount of hypochlorous acid water is produced.

Therefore, it can be known that:

Above the anion exchange membrane 32, acidic hypochlorous acid water is formed;

Below the anion exchange membrane 32, because hydroxide ions pass through and combine with sodium ions to form an alkaline solution.

Through the action of the anion exchange membrane 32 and the electrolytic box 3, two strands of electrolytic substances separated by acid and alkali are formed, and a large amount of hypochlorous acid water that can be extracted from the shell 1 becomes a good disinfectant.

In this design, some hydrogen gas will be generated inside the electrolysis box 3. In order to ensure the pressure inside the electrolysis box 3, the design adopts a venting structure, which is illustrated by Fig. 3 and Fig. 4 .

As shown in FIG. 3 and FIG. 4 , the bottom of the casing 1 is provided with an insert cylinder 42 with a lower end sealed, and the bottom of the electrolytic box 3 is provided with a gas outlet cylinder 41 , the gas outlet cylinder 41 is inserted into the insert cylinder 42 , and the gas outlet cylinder 41 is connected to the insert cylinder 42 . A vent gap 43 is formed between them; a vent gap 43 is formed at the connection between the insert tube 42 and the vent tube 41; the vent gap 43 is very small, and the water itself is viscous, so the water cannot flow out from the vent gap 43, but the cathode The partial gas produced on the electrolytic sheet, which is mainly hydrogen, can be discharged from the vent gap 43 .

As shown in Figure 2 and Figure 5, a water absorbing rod 5 is inserted in the water tank 2, and the upper end of the water absorbing rod 5 is an ultrasonic mist sending sheet 6. form diffusion.

A centrifugal fan 71 is installed at the bottom of the housing 1 , and the centrifugal fan 71 blows air upward to rapidly diffuse the hypochlorous acid water mist around. There are gaps between the inner wall of the casing 1 and the outer wall of the water tank 2 , as well as the inner wall of the casing 1 and other elements, and the clearance allows the airflow blown by the centrifugal fan 71 to flow to the upper top plate 73 .

And the ultrasonic misting sheet 6 is below the upper top plate 73, so the water mist of hypochlorous acid converges at the position of the upper top plate 73, and the airflow blown by the centrifugal fan 71 spreads around after hitting the upper top plate 73, and the diffusion movement of the airflow takes away Hypochlorous acid water mist makes the disinfection of the car body faster and faster. The ultrasonic fogging sheet 6 can be controlled by the pcb main board 61 to achieve the effect of prolonging the startup. When the user presses the switch outside the casing 1, the pcb main board 61 can control the ultrasonic fogging sheet 63 minutes later to start spraying.

The upper end of the housing 1 is provided with a spiral air duct 72, and the spiral air duct 72 is placed under the upper top plate 73. The function of the spiral air duct 72 is to spread the hypochlorous acid water mist outward in the form of a spiral airflow, so that the hypochlorous acid diffused in this way spreads out. The water mist is more stable and uniform, and the spread is larger.

As shown in Figures 2 and 5, for the water inlet and drainage functions of the sterilizer, the upper end of the housing 1 is provided with a water injection port 81, and a soft rubber tube 83 is connected between the water injection port 81 and the interior of the water tank 2, and the soft rubber tube 83 is connected to the

A duckbill valve 82 is connected to prevent water from flowing out of the water injection port 81; the duckbill valve 82 has elasticity, so when salt water is injected from above, the duckbill valve 82 can be automatically opened, and when the shell 1 is upside down, the liquid in the water tank 2 The duckbill valve 82 cannot be opened, and the duckbill valve 82 is the function of a single valve;

A water outlet pipe 91 is connected to the bottom of the water tank 2, and a silicone tube 93 is connected to the water outlet pipe 91. The end of the silicone tube 93 is placed at the bottom of the housing 1 and a water outlet is installed; the bottom of the housing 1 is inserted with a drain plug 92, and the drain plug 92 is inserted Closing the water nozzle realizes blocking; when it is necessary to discharge the waste water in the water tank 2 , it is only necessary to pull the drain plug 92 out of the casing 1 .

The above are only the preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present invention belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. a vehicle-mounted hypochlorous acid water sterilizer, comprising a housing (1), characterized in that: a water tank (2) is installed in the housing (1), an electrolytic box (3) is placed in the water tank (2), and the water tank (2) a water absorbing rod (5) is inserted, the upper end of the water absorbing rod (5) is provided with an ultrasonic fogging sheet (6), and the bottom of the casing (1) is provided with a centrifugal fan (71) blowing upward; The upper end face of the electrolysis box (3) is provided with an opening (31), the electrolysis box (3) is provided with an anion exchange membrane (32) covering the opening (31), and the upper end of the anion exchange membrane (32) is provided with an anodic electrolysis Sheet (33), the lower end of the anion exchange membrane (32) is provided with a cathode-level electrolyte sheet (34), and the cathode-level electrolyte sheet (34) is placed inside the electrolysis box (3). 2. The vehicle-mounted hypochlorous acid water sterilizer according to claim 1, characterized in that: between the water tank (2) and the housing (1), the centrifugal fan (71) blows out the air flow gap. 3. The vehicle-mounted hypochlorous acid water sterilizer according to claim 1 or 2, wherein the upper end of the casing (1) is provided with a spiral air duct (72). 4. The vehicle-mounted hypochlorous acid water disinfection machine according to claim 3, wherein the upper end of the spiral air duct (72) is provided with an upper top plate (73). 5. vehicle-mounted hypochlorous acid water sterilizer according to claim 1, is characterized in that: the positive-level electrolytic sheet (33) and the negative-level electrolytic sheet (34) are arranged in parallel, and the spacing range between the two is 0.2-0.4 mm; A plurality of through holes are opened on the surfaces of the anode-level electrolytic sheet (33) and the cathode-level electrolytic sheet (34). 6. The vehicle-mounted hypochlorous acid water sterilizer according to claim 5, characterized in that: between the anode-level electrolytic sheet (33) and the cathode-level electrolytic sheet (34), a reverse-polarity control board for the exchange of cathode and anode is provided (twenty two). 7. vehicle-mounted hypochlorous acid water sterilizer according to claim 5 or 6, is characterized in that: anodic-grade electrolytic sheet (33) and negative-grade electrolytic sheet (34) are platinum-plated electrolytic sheet, anion exchange membrane (32) ) is an anion exchange membrane (AEM) used in vanadium batteries. 8. The vehicle-mounted hypochlorous acid water sterilizer according to claim 1, wherein the upper end of the casing (1) is provided with a water injection port (81), and a water injection port (81) and the water tank (2) are connected with a water injection port (81). Duckbill valve (82) for water to flow out from water injection port (81); A water outlet pipe (91) is connected to the bottom of the water tank (2), and a drain plug (92) is plugged at the bottom of the water outlet pipe (91). 9. The vehicle-mounted hypochlorous acid water sterilizer according to claim 1, characterized in that: a pcb main board (61) for controlling the delayed spraying of the ultrasonic misting sheet (6) is installed in the housing (1). 10. The vehicle-mounted hypochlorous acid water disinfection machine according to claim 1, wherein an air inlet (74) is provided at the bottom of the housing (1).

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