CN111729115A

CN111729115A - Active air supply electrostatic aerosol spray disinfection machine and working method thereof

Info

Publication number: CN111729115A
Application number: CN202010712967.8A
Authority: CN
Inventors: 李金钟
Original assignee: Qingdao Chanshan Environmental Protection Technology Co ltd
Current assignee: Qingdao Chanshan Environmental Protection Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-02
Anticipated expiration: 2040-07-22
Also published as: CN111729115B

Abstract

The invention provides an active air supply electrostatic aerosol spray disinfection machine and a working method thereof, belonging to the technical field of spray disinfection machines, the electrostatic aerosol spray disinfection machine comprises two shells and a spray head assembly, wherein the two shells are fixedly connected through bolts; the sprayer subassembly includes radome fairing, shower nozzle cover, electrostatic spray hood cover and electrostatic ring, the radome fairing passes through bolt and two casing fixed connection, the inside of radome fairing is provided with the fan clamp plate, the high-pressure generator module is installed on the right side of fan clamp plate, the inside fixed connection of radome fairing fixes the cover to, under the effect through the gas outlet, from the direct current air current of gas outlet exhaust, can make the distance that the droplet sprays farther.

Description

Active air supply electrostatic aerosol spray disinfection machine and working method thereof

Technical Field

The invention belongs to the technical field of spray disinfection machines, and particularly relates to an electrostatic aerosol spray disinfection machine.

Background

The electrostatic spraying technology is characterized in that high-voltage static electricity is applied to establish an electrostatic field between a spray head and a spraying target, pesticide fluid is charged through different charging methods after being atomized by the spray head to form charged fog drops, then the fog drops move directionally and are adsorbed to each part of the target under the combined action of electrostatic field force and other external forces, good performances of high deposition efficiency, less fog drop drifting loss, ecological environment improvement and the like are achieved, and how to charge the fog drops is a more key problem.

In the prior art, there are three main methods for droplet charging: (1) a corona charging method; (2) a contact charging method; (3) the method comprises the following steps of (1) arranging an induction electrode outside a nozzle outlet, enabling the sprayed droplets to have charges with the polarity opposite to that of an external electric field at the moment when water mist is formed at the nozzle outlet by liquid according to an electrostatic induction principle, and being safer compared with the two methods, wherein in the actual use process, as the external electric field has certain attraction to the electric mist, part of droplets with smaller kinetic energy can be adsorbed on the inner wall of an electrostatic spray head cover and drip from the nozzle, short circuit occurs in the external electric field, so that the spraying loses the driving capacity, and the droplets are difficult to be adsorbed on the surfaces of crops; and the spray distance of the fog drops is short, which is not beneficial to the absorption of distant crops, thereby reducing the utilization rate of the fog drops and leading to the waste of the fog drops to a great extent.

Disclosure of Invention

The embodiment of the invention provides an active air supply electrostatic aerosol spray disinfection machine and a working method thereof, aiming at solving the problems that in the actual use process of the existing electrostatic spray head, as an external electric field has certain attraction to electrostatic spray, part of droplets with smaller kinetic energy are adsorbed on the inner wall of the electrostatic spray head cover and drip from a nozzle, so that the external electric field is short-circuited, the spray loses the driving capability, and the droplets are difficult to be adsorbed on the surface of crops; and the fog drops are sprayed at a short distance, which is not beneficial to the absorption of distant crops, thereby reducing the utilization rate of the fog drops and solving the problem of the waste of the fog drops due to great degree.

In view of the above problems, the technical solution proposed by the present invention is:

an actively-powered electrostatic aerosol spray sterilizer comprising:

the water tank is arranged in the shell, the direct current fan is arranged on one side of the water tank, the rubber sleeve is arranged on one side of the direct current fan, and the battery is arranged between the water tank and the rubber sleeve;

the nozzle assembly comprises a fairing, a nozzle sleeve, an electrostatic spraying head cover and an electrostatic ring, wherein the fairing is fixedly connected with two shells through bolts, a fan pressing plate is arranged in the fairing, a high-pressure generator module is installed on the right side of the fan pressing plate, a fixed sleeve is fixedly connected in the fairing, a butt joint nozzle is connected in the fixed sleeve through a hose, one end of the butt joint nozzle is communicated with the water tank through a connecting pipe, the nozzle sleeve is in threaded connection with one end of the fairing, one end of the nozzle sleeve is connected with the electrostatic spraying head cover, an impeller is arranged in the electrostatic spraying head cover, a valve is arranged on one side of the impeller, a nozzle is arranged on the other side of the impeller, the nozzle is communicated with the output end of the valve, and a partition plate is integrally formed in the electrostatic spraying head cover, and the electrostatic sprayer cover is positioned on the right side of the nozzle, a spray hole is formed in the axis of the partition plate, the butt joint nozzle, the valve, the impeller and the nozzle are coaxially arranged with the nozzle, an air outlet is formed at the joint of the partition plate and the electrostatic sprayer cover in a surrounding manner, an arc-shaped hole is formed in the air outlet, and the electrostatic sprayer cover is provided with the electrostatic ring on one side of the partition plate.

Furthermore, a liquid adding filter screen is arranged above the water tank.

Furthermore, scale marks are arranged on one side of the surface of the water tank, and an observation frame matched with the scale marks is arranged on the outer surface of the shell.

Furthermore, the upper surfaces of the two shells are integrally formed with handles.

Furthermore, a base is fixedly connected between the two shells and is positioned on the lower surfaces of the two shells.

Furthermore, one side of the shell is provided with a circuit sheath.

Furthermore, a plurality of air supplementing ports are formed in the outer surface of the electrostatic spray head cover.

Furthermore, an inner thread is formed on the inner side of the static ring.

Further, the valve, the nozzle and the electrostatic ring are made of titanium metal.

Further, the air flow inside the electrostatic spray head cover is 360-degree rotating air flow or parallel air flow.

The embodiment of the invention provides an active air supply working method of an electrostatic aerosol spray sterilizer, which comprises the following steps:

and S1, starting the direct current fan, and inputting high-pressure airflow into the fairing, the nozzle sleeve and the electrostatic nozzle sleeve by the direct current fan.

S2, after a part of high-pressure airflow output by the direct current fan meets the impeller in the electrostatic nozzle cover, high-pressure vortex airflow is generated, a negative pressure area is generated around the nozzle, and liquid in the water tank is pumped out under the action of negative pressure.

S3, opening the valve when pumping out the liquid in the water tank, and shredding the liquid under the action of violent high-pressure vortex airflow at the nozzle to form fine mist aerosol.

And S4, enabling the other part of high-pressure airflow output by the direct current fan to flow to the inside of the electrostatic spray hood through the air outlet to form an airflow protective layer, and wrapping the spray sprayed by the nozzle and spraying the spray from the electrostatic protective cover.

Compared with the prior art, the invention has the beneficial effects that: in the working process of the device, the direct current fan sprays high-pressure airflow to the inner parts of the fairing, the nozzle sleeve and the electrostatic nozzle sleeve, the high-pressure airflow forms high-pressure vortex airflow when meeting the impeller, part of the high-pressure vortex airflow is accelerated and released through a narrow part between the impeller and the nozzle, negative pressure is formed around the nozzle according to the Venturi effect, liquid in the water tank is pumped out under the action of the negative pressure, and is shredded under the action of violent high-pressure vortex airflow at the nozzle to form fine mist aerosol; the other part is discharged from the spray hole and the air outlet, so that a protective layer is formed in the electrostatic spray head cover, and the spray passes through the protective layer and is further prevented from contacting with the side wall of the electrostatic spray head cover, so that the phenomenon that fog drops are adsorbed on the inner wall of the electrostatic spray head cover to cause dripping is avoided. Further causing short circuit of the high-voltage electric field and losing the spray electrification capability; and the direct current airflow discharged from the air outlet can make the spray distance of the fog drops farther under the action of the air outlet.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

FIG. 1 is a perspective view of an actively blowing electrostatic aerosol spray sterilizer and method of operation thereof;

FIG. 2 is a schematic view of the internal structure of the housing of the active blowing electrostatic aerosol spray sterilizer and the operating method thereof;

FIG. 3 is an exploded view of a nozzle assembly of an actively blowing electrostatic aerosol spray sterilizer and method of operation thereof;

FIG. 4 is a partial front view of a spray head assembly of an actively blowing electrostatic aerosol spray sterilizer and method of operation thereof as disclosed herein;

FIG. 5 is a flow chart of the operation of an actively blowing electrostatic aerosol spray sterilizer and the method of operation thereof;

FIG. 6 is a partial front view of a second nozzle assembly of an embodiment of an actively blowing electrostatic aerosol spray sterilizer and method of operation thereof as disclosed herein;

FIG. 7 is a partial front view of a triple nozzle assembly of an embodiment of an actively blowing electrostatic aerosol spray sterilizer and method of operation thereof as disclosed herein.

Description of reference numerals: 100-shell, 110-water tank, 111-liquid adding filter screen, 112-graduation line, 120-DC fan, 121-rubber sleeve, 130-battery, 140-handle, 150-base, 160-circuit sheath, 170-observation frame, 200-spray head component, 210-fairing, 211-fan pressure plate, 212-high pressure generator module, 213-fixing sleeve, 214-butt joint nozzle, 220-spray head sleeve, 230-electrostatic spray head cover, 231-impeller, 232-valve, 233-spray nozzle, 234-clapboard, 235-spray hole, 236-air outlet, 240-electrostatic ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example one

Referring to the attached drawings 1-5, the invention provides a technical scheme: an electrostatic aerosol spray sterilizer includes a housing 100 and a spray head assembly 200.

Referring to fig. 1 to 4, the number of the shells 100 is two, the two shells 100 are fixedly connected by bolts, a water tank 110 is arranged inside the shell 100, a direct current fan 120 is arranged on one side of the water tank 110, a rubber sleeve 121 is arranged on one side of the direct current fan 120, and a battery 130 is arranged between the water tank 110 and the rubber sleeve 121; the nozzle assembly 200 comprises a fairing 210, a nozzle sleeve 220, an electrostatic nozzle cover 230 and an electrostatic ring 240, wherein the fairing 210 is fixedly connected with two shells 100 through bolts, a fan pressing plate 211 is arranged in the fairing 210, a high-voltage generator module 212 is installed on the right side of the fan pressing plate 211, a fixing sleeve 213 is fixedly connected in the fairing 210, the fixing sleeve 213 is connected with a butt joint nozzle 214 through a hose, one end of the butt joint nozzle 214 is communicated with the water tank 110 through a connecting pipe, the nozzle sleeve 220 is in threaded connection with one end of the fairing 210, one end of the nozzle sleeve 220 is connected with the electrostatic nozzle cover 230, an impeller 231 is arranged in the electrostatic nozzle cover 230, a valve 232 is arranged on one side of the impeller 231, a nozzle 233 is arranged on the other side of the impeller 231, and the nozzle 233 is communicated with the output end of the valve 232, the electrostatic spray hood 230 is internally and integrally formed with a partition 234 and is positioned at the right side of the nozzle 233, a spray hole 235 is formed in the axis of the partition 234, the docking nozzle 214, the valve 232, the impeller 231 and the nozzle 233 are coaxially arranged with the nozzle 233, an air outlet 236 is circumferentially distributed at the joint of the partition 234 and the electrostatic spray hood 230, the air outlet 236 is formed as an arc-shaped hole, and the electrostatic spray hood 230 is provided with the electrostatic ring 240 at one side of the partition 234.

In this embodiment, when spraying, the direct current fan 120 is electrically connected to the high voltage generator module 212, the direct current fan 120 is powered on to input high voltage airflow into the fairing 210, the nozzle sleeve 220 and the electrostatic nozzle cover 230, and a part of the high voltage airflow generates high voltage vortex airflow when encountering the impeller 231, so that a negative pressure region can be generated around the impeller 231 and the nozzle 233 according to the venturi effect principle, and the liquid in the water tank 110 is pumped out under the negative pressure effect and is torn up under the action of the violent high voltage vortex airflow at the nozzle 233 to form fine mist aerosol; according to the electrostatic induction principle, in the process, the electrostatic spray head with the charge generates secondary atomization when the fog drops are sprayed out, the charging time of the fog drops is increased due to the two-time charging, the charge-to-mass ratio of the fog drops is improved, the adhesiveness of the fog drops is increased, and the utilization rate of spraying can be effectively improved; meanwhile, the other part of high-pressure airflow enters the electrostatic spray head cover 230 through the air outlet 236 and the spray holes 235, and an airflow protection layer is formed inside the electrostatic spray head cover 230, so that the sprayed droplets are prevented from further contacting with the side wall of the electrostatic spray head cover 230, and therefore the droplets are directly sprayed out of the electrostatic spray head cover 230, and are prevented from flowing due to accumulation of the droplets in the electrostatic spray head cover 230, and further damage to an external electric field is caused, so that the droplets lose the electrification capability; moreover, in the airflow protection layer formed by the electrostatic nozzle cover 230, the distance for spraying the mist droplets is effectively increased under the action of the direct current airflow.

The embodiment of the invention is also realized by the following technical scheme.

Further, a liquid adding filter screen 111 is arranged above the water tank 110; impurities in water or liquid medicine can be effectively filtered, so that the nozzle 233 is prevented from being blocked by the impurities, and the fluency of the nozzle 233 is further enhanced.

Furthermore, a scale mark 112 is arranged on one side of the surface of the water tank 110, and an observation frame 170 adapted to the scale mark 112 is arranged on the outer surface of the casing 100; during the use process, the user can conveniently observe the water level in the water tank 110 through the scale marks 112, so that the user can conveniently and timely supplement water and liquid medicine into the water tank 110.

Further, handles 140 are integrally formed on the upper surfaces of the two shells 100; the handle 140 can be used to facilitate use of the device by a user.

Further, a base 150 is fixedly connected between the two shells 100 and is located on the lower surfaces of the two shells 100; in the spraying process, as the water tank 110 is filled with water mist to generate a certain weight, a user can drag the base 150 by hands, so that potential safety hazards caused by equipment falling are avoided; meanwhile, the equipment can be placed on the ground through the base 150 when in use, so that the equipment is effectively prevented from being damaged due to the inclination.

Further, a circuit sheath 160 is disposed on one side of the housing 100; when a user injects water and chemical into the water tank 110, the water and chemical may leak to the outside, and the power line may be protected by the line cover 160, thereby preventing a short circuit of the power line.

Further, an internal thread is formed on the inner side of the electrostatic ring 240; so that the ejected mist droplets maintain a straight state and the ejection distance is increased, thereby enhancing the reliability of the electrostatic ring 240.

Further, the valve 232, the nozzle 233 and the electrostatic ring 240 are made of titanium; the valve 232, the nozzle 233 and the electrostatic ring 240 are made of titanium metal; the titanium metal has a strong corrosion resistance property, so that the purpose of reducing corrosion of the medicine to the valve 232, the nozzle 233 and the electrostatic ring 240 is achieved, and the service life of the electrostatic ring 240 is prolonged.

Further, the air flow inside the electrostatic spray cap 230 is 360 ° rotation air flow or parallel air flow.

Referring to fig. 5, a working method according to an embodiment of the present invention is shown;

s1, the dc fan 120 is turned on, and the dc fan 120 inputs a high pressure air flow into the cowling 210, the nozzle cover 220, and the electrostatic nozzle cover 230.

S2, a part of the high-pressure airflow output by the dc fan 120 meets the impeller 231 inside the electrostatic nozzle cover 230 to generate a high-pressure vortex airflow, and a negative pressure region is generated around the nozzle 233, so that the liquid in the water tank 110 is drawn out under the negative pressure.

At S3, when the liquid is drawn out from the water tank 110 and the valve 232 is opened, the liquid is torn up by the violent high-pressure vortex air flow at the nozzle 233, and a fine mist aerosol is formed.

S4, the other part of the high-pressure airflow output by the dc fan 120 flows into the electrostatic spray cap 230 through the air outlet 236 to form an airflow protection layer, and wraps the spray from the nozzle 233 and is sprayed out of the electrostatic protection cap.

Example two

Referring to fig. 6, the air outlet 236 is a through hole, and a circular hole is disposed between two through holes, and the through holes are distributed around the partition 234, so that the protective air flow can be blown out in the same direction as the spray air flow, so that a denser air flow protection layer is formed inside the electrostatic nozzle cover 230, and the distance that the charged droplets are sprayed can be further increased on the premise that the droplets are restrained by the kinetic energy of the protective air flow in the electrostatic ring 240 and do not collide with the electrostatic ring 240.

EXAMPLE III

Referring to fig. 7, the air outlet 236 is an inclined hole, a circular hole is formed between two inclined holes, and the plurality of inclined holes are distributed around the partition 234, so that the protective air flow is closer to the side wall of the electrostatic nozzle cover 230, a more effective air flow protective layer is formed inside the electrostatic nozzle cover 230, and the distance for spraying the charged droplets can be further increased on the premise that the droplets are guaranteed to be confined by the kinetic energy of the protective air flow in the electrostatic ring 240 and not collide with the electrostatic ring 240.

Specifically, the working principle of the active air supply electrostatic aerosol spray disinfection machine and the working method thereof is as follows: when the device is used, a user injects water and liquid medicine into the water tank 110, the device is lifted by the lifting handle 140 to carry out spraying operation, and the base 150 can be held by hands under the condition that the weight of the water tank 110 is heavy, so that the device is effectively prevented from falling; meanwhile, when in use, a user can conveniently observe the water level condition in the water tank 110 through the scale marks 112, so that the user can conveniently replenish water and liquid medicine into the water tank 110 in time; when spraying is carried out, the direct current fan 120 is electrically connected with the high-voltage generator module 212, the direct current fan 120 is electrified to input high-pressure airflow into the fairing 210, the nozzle sleeve 220 and the electrostatic nozzle cover 230, part of the high-pressure airflow generates high-pressure vortex airflow when meeting the impeller 231, a negative pressure area can be generated around the impeller 231 and the nozzle 233 according to the Venturi effect principle, liquid in the water tank 110 is pumped out under the action of negative pressure and is torn under the action of violent high-pressure vortex airflow at the nozzle 233, and fine mist aerosol is formed; according to the electrostatic induction principle, in the process, the electrostatic spray head with the charge generates secondary atomization when the fog drops are sprayed out, the charging time of the fog drops is increased due to the two-time charging, the charge-to-mass ratio of the fog drops is improved, the adhesiveness of the fog drops is increased, and the utilization rate of spraying can be effectively improved; meanwhile, the other part of high-pressure airflow enters the electrostatic spray head cover 230 through the air outlet 236 and the spray holes 235, and an airflow protection layer is formed inside the electrostatic spray head cover 230, so that the sprayed droplets are prevented from further contacting with the side wall of the electrostatic spray head cover 230, and therefore the droplets are directly sprayed out of the electrostatic spray head cover 230, and are prevented from flowing due to accumulation of the droplets in the electrostatic spray head cover 230, and further damage to an external electric field is caused, so that the droplets lose the electrification capability; moreover, in the airflow protection layer formed by the electrostatic nozzle cover 230, the distance for spraying the mist droplets is effectively increased under the action of the direct current airflow.

It should be noted that the specific model specifications of the dc fan 120 and the high voltage generator module 212 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed descriptions are omitted.

The power supply of the dc fan 120 and the high voltage generator module 212 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An active air supply electrostatic aerosol spray sterilizer, comprising:

the fan comprises two shells (100), wherein the two shells (100) are fixedly connected through bolts, a water tank (110) is arranged inside the shell (100), a direct current fan (120) is arranged on one side of the water tank (110), a rubber sleeve (121) is arranged on one side of the direct current fan (120), and a battery (130) is arranged between the water tank (110) and the rubber sleeve (121);

a spray head assembly (200), the spray head assembly (200) comprises a fairing (210), a spray head sleeve (220), an electrostatic spray head sleeve (230) and an electrostatic ring (240), the fairing (210) is fixedly connected with the casing (100) through bolts, a fan pressing plate (211) is arranged inside the fairing (210), a high-voltage generator module (212) is installed on the right side of the fan pressing plate (211), a fixing sleeve (213) is fixedly connected inside the fairing (210), a butt joint nozzle (214) is connected inside the fixing sleeve (213) through a hose, one end of the butt joint nozzle (214) is communicated with the water tank (110) through a connecting pipe, the spray head sleeve (220) is in threaded connection with one end of the fairing (210), one end of the spray head sleeve (220) is connected with the electrostatic spray head sleeve (230), an impeller (231) is arranged inside the electrostatic spray head sleeve (230), the electrostatic spraying device is characterized in that a valve (232) is arranged on one side of the impeller (231), a nozzle (233) is arranged on the other side of the impeller (231), the nozzle (233) is communicated with an output end of the valve (232), a partition plate (234) is integrally formed inside the electrostatic spraying hood (230) and is positioned on the right side of the nozzle (233), a spray hole (235) is formed in the axis of the partition plate (234), the butt joint nozzle (214), the valve (232), the impeller (231) and the nozzle (233) are coaxially arranged with the nozzle (233), an air outlet (236) is distributed at the joint of the partition plate (234) and the electrostatic spraying hood (230) in a surrounding mode, an arc-shaped hole is formed in the air outlet (236), and the electrostatic spraying hood (230) is positioned on one side of the partition plate (234) and is provided with the electrostatic ring (240).

2. An electrostatic aerosol spray steriliser as claimed in claim 1, wherein a priming filter screen (111) is provided above the water tank (110).

3. An electrostatic aerosol spray sterilizer as claimed in claim 1, wherein the water tank (110) is provided with scale marks (112) on one side of the surface, and the housing (100) is provided with a viewing frame (170) on the outer surface thereof, the viewing frame being adapted to the scale marks (112).

4. An electrostatic aerosol spray steriliser according to claim 1, wherein the handles (140) are integrally formed on the upper surface of both housings (100).

5. An electrostatic aerosol spray steriliser according to claim 1, wherein a base (150) is fixedly attached between the two housings (100) and is located on a lower surface of the two housings (100).

6. An electrostatic aerosol spray steriliser according to claim 1, wherein a line cover (160) is provided to one side of the housing (100).

7. An electrostatic aerosol spray steriliser according to claim 1, wherein the electrostatic ring (240) is internally threaded.

8. An electrostatic aerosol spray steriliser as claimed in claim 1, wherein the valve (232), the nozzle (233) and the electrostatic ring (240) are of titanium metal.

9. An electrostatic aerosol spray steriliser according to claim 1, wherein the air flow inside the electrostatic spray cap (230) is a 360 ° rotating air flow or a parallel air flow.

10. An active air supply working method of an electrostatic aerosol spray sterilizer is characterized by comprising the following steps:

s1, starting the direct current fan (120), and inputting high-pressure airflow into the fairing (210), the nozzle sleeve (220) and the electrostatic nozzle sleeve (230) by the direct current fan (120).

S2, after a part of high-pressure airflow output by the direct current fan (120) meets the impeller (231) in the electrostatic nozzle cover (230), high-pressure vortex airflow is generated, a negative pressure area is generated around the nozzle (233), and liquid in the water tank (110) is pumped out under the action of negative pressure.

S3, opening the valve (232) when the liquid is pumped out of the water tank (110), and shredding the liquid under the action of the violent high-pressure vortex air flow at the nozzle (233) to form fine mist aerosol.

S4, the other part of high-pressure airflow output by the direct current fan (120) flows to the inside of the electrostatic spray head cover (230) through the air outlet (236) to form an airflow protective layer, and the spray sprayed by the nozzle (233) is wrapped and sprayed out of the electrostatic spray head cover (230).