CN111888510A

CN111888510A - Electrostatic aerosol spray disinfection machine and working method thereof

Info

Publication number: CN111888510A
Application number: CN202010713171.4A
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: 2020-11-06
Anticipated expiration: 2040-07-22
Also published as: CN111888510B

Abstract

The invention provides an 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 shower nozzle subassembly includes radome fairing, shower nozzle cover, electrostatic spray head cover and static ring, the radome fairing passes through bolt and two casing fixed connection, simultaneously under this negative pressure, the air is inhaled electrostatic spray head from the rear end aperture of electrostatic spray head cover to the parcel aerosol liquid drop can make the spraying reduce and cover the lateral wall contact with electrostatic spray head, thereby has avoided the droplet to adsorb in electrostatic spray head cover inner wall and has leaded to the drip. Further causing short circuit of the high voltage electric field and losing the spray charging ability.

Description

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 and a working method thereof.

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 inductive charging method is characterized in that an inductive electrode is arranged outside a nozzle outlet, so that at the moment when liquid forms water mist at the nozzle outlet, the sprayed mist drops are charged with charges with opposite polarity to an external electric field according to an electrostatic induction principle, and the method is safer compared with the two methods.

Disclosure of Invention

The embodiment of the invention provides an electrostatic aerosol spray disinfection machine and a working method thereof, and aims to solve the problems that the existing electrostatic spray head has certain attraction to electrostatic spray due to an external electric field, and partial droplets with smaller kinetic energy are adsorbed on the inner wall of the electrostatic spray head cover and drip from a spray nozzle, so that waste and environmental pollution are caused.

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

an 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, and the rubber sleeve is arranged on one side of the direct current fan;

the spray head component comprises a fairing, a spray head sleeve, an electrostatic spray head sleeve and an electrostatic ring, wherein a fan pressing plate is arranged in the fairing, a high-voltage generator module is arranged on the right side of the fan pressing plate, a fixing sleeve is fixedly connected in the fairing, a butt joint nozzle is connected in the fixing sleeve through a hose, one end of the butt joint nozzle is communicated with the water tank through a connecting pipe, the spray head sleeve is in threaded connection with one end of the fairing, one end of the spray head sleeve is in threaded connection with the electrostatic spray head, an impeller is arranged in the electrostatic spray head, one side of the impeller is fixedly connected with a valve, a nozzle is arranged on the other side of the impeller, the other end of the butt joint nozzle is communicated with the input end of the valve through a connecting pipe, and the electrostatic spray head sleeve is in threaded, the electrostatic ring is arranged on the inner side of the electrostatic spray head cover.

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

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 above embodiment of the present invention provides a working method for an electrostatic aerosol spray sterilizer, which comprises the following steps:

and S1, starting the direct current fan, inputting high-pressure airflow into the fairing and the electrostatic spray head by the direct current fan, generating high-pressure vortex airflow when the high-pressure airflow meets the impeller, forming a Venturi effect at the nozzle, generating a negative pressure area around the nozzle, and pumping out the liquid in the water tank under the action of negative pressure.

And S2, opening the valve while 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.

S3, inputting high-pressure airflow into the electrostatic nozzle to generate Bernoulli effect, and generating negative pressure at the air supply port of the electrostatic nozzle cover and the through hole at the rear end of the electrostatic nozzle to suck the outside air into the electrostatic nozzle.

And S4, the aerosol droplets are absorbed into the electrostatic spray head to wrap the aerosol droplets to form a protective layer, and then the aerosol droplets are sprayed out of the electrostatic spray head.

Compared with the prior art, the invention has the beneficial effects that: during the working process of the equipment, high-pressure airflow generated by the direct current fan 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, and fine mist aerosol is formed. Meanwhile, under the action of the negative pressure, air is sucked into the electrostatic nozzle from the small holes at the rear end of the electrostatic nozzle cover and wraps aerosol liquid drops, so that the spray is reduced to contact with the side wall of the electrostatic nozzle cover, and the phenomenon that the aerosol drops are adsorbed on the inner wall of the electrostatic nozzle cover to cause dripping is avoided. Further causing short circuit of the high voltage electric field and losing the spray charging ability.

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 electrostatic aerosol spray sterilizer and method of operation thereof;

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

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

FIG. 4 is a flow chart of the operation of an electrostatic aerosol spray sterilizer and the method of operation thereof;

FIG. 5 is a side view of an embodiment of an electrostatic aerosol spray sterilizer and method of operation thereof;

FIG. 6 is a perspective view of a third embodiment of an electrostatic aerosol spray sterilizer and method of operation thereof as disclosed herein;

fig. 7 is a cross-sectional view taken at a-a in fig. 6.

Description of reference numerals: 100-shell, 111-liquid adding filter screen, 110-water tank, 120-DC fan, 121-rubber sleeve, 130-handle, 140-base, 150-line sheath, 200-spray head component, 210-fairing, 211-fan pressure plate, 212-high voltage generator module, 213-fixed sleeve, 2131-butt joint nozzle, 220-spray head sleeve, 230-electrostatic spray head, 231-impeller, 232-valve, 233-nozzle, 234-through hole, 240-electrostatic spray head sleeve, 241-air supplement port and 250-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 1-4, 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 3, 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, and a rubber sleeve 121 is arranged on one side of the direct current fan 120; the spray head assembly 200 comprises a fairing 210, a spray head sleeve 220, an electrostatic spray head 230, an electrostatic spray head sleeve 240 and an electrostatic ring 250, wherein the fairing 210 is fixedly connected with the two shells 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, the inside of the fixing sleeve 213 is connected with a butt joint 2131 through a hose, one end of the butt joint 2131 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 in threaded connection with the electrostatic spray head 230, a through hole 234 is formed in one side of the outer surface of the electrostatic spray head 230, an impeller 231 is arranged inside the electrostatic spray head 230, a valve 232 is fixedly connected to one side of the impeller 231, and a nozzle 233, the other end of the docking nozzle 2131 is communicated with the input end of the valve 232 through a connecting pipe, the electrostatic spray cap 240 is connected to one end of the electrostatic spray head 230 in a threaded manner, and the electrostatic ring 250 is arranged on the inner side of the electrostatic spray cap 240.

In this embodiment, when spraying, the direct current fan 120 is electrically connected to the high voltage generator module 212, and the direct current fan 120 is powered on to input high voltage airflow into the fairing 210 and the electrostatic spray head 230, and the high voltage airflow encounters the impeller 231 to generate high voltage vortex airflow, so that a negative pressure region is generated around 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 nozzle 230 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 adhesion of the fog drops is increased, and the utilization rate of spraying can be effectively improved; meanwhile, under the action of negative pressure generated inside the electrostatic spray head 230, air is sucked into the electrostatic spray head 230 from the air supply port 241 of the electrostatic spray head cover 240 and the through hole 234 at the rear end of the electrostatic spray head 230, and aerosol droplets inside the electrostatic spray head 230 can be wrapped to form a protective layer, so that the contact between the mist spray and the side wall of the electrostatic spray head cover 240 is reduced, and the phenomenon that the droplets are adsorbed on the inner wall of the electrostatic spray head cover 240 to cause dripping and further cause short circuit of a high-voltage electric field to lose the mist spray electrification capacity is avoided.

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

In the embodiment of the present invention, 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.

In the embodiment of the present invention, the handles 130 are integrally formed on the upper surfaces of the two housings 100; the handle 130 can be used to facilitate use of the device by a user.

In the embodiment of the present invention, a base 140 is fixedly connected between the two housings 100 and is located on the lower surfaces of the two housings 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 140 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 140 when in use, so that the equipment is effectively prevented from being damaged due to the inclination of the equipment.

In the embodiment of the present invention, a line sheath 150 is disposed at 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 is protected by the line sheath 150, thereby preventing a short circuit of the power line.

In the embodiment of the present invention, the electrostatic spray cap 240 has a plurality of air supplement ports 241 formed on an outer surface thereof; after the high-pressure vortex air flow flows into the electrostatic spray head cover 240, according to the wall attachment effect principle, the hole wall of the air supplementing port 241 is 45 degrees, which is beneficial for the high-pressure vortex air flow to form a protective layer capable of rotating air flow along the same direction in the electrostatic spray head cover 240.

In the embodiment of the present invention, the inner side of the electrostatic ring 250 is provided with an internal thread; the matching of the internal thread and the homeotropic vortex air flow enables the ejected mist droplets to maintain a linear state and improve the ejection distance, thereby enhancing the reliability of the electrostatic ring 250.

In the embodiment of the present invention, the material of the valve 232, the nozzle 233 and the electrostatic ring 250 is titanium metal; the titanium metal has a strong corrosion resistance property, so that the purpose of reducing the corrosion of the medicine to the valve 232, the nozzle 233 and the electrostatic ring 250 is achieved, and the service life of the electrostatic ring 250 is prolonged.

In the embodiment of the present invention, the air flow inside the electrostatic spray cap 240 is 360 ° rotation air flow or parallel air flow.

Referring to fig. 4, a working method according to an embodiment of the present invention is shown;

s1, the dc fan 120 is turned on, the dc fan 120 inputs high pressure airflow into the fairing 210 and the electrostatic spray head 230, and when the high pressure airflow meets the impeller 231, high pressure vortex airflow is generated, a venturi effect is formed at the nozzle 233, a negative pressure region is generated around the nozzle 233, and the liquid in the water tank 110 is pumped out under the negative pressure.

S2, the valve 232 is opened while the liquid in the water tank 110 is being pumped out, and the liquid is torn up by the violent high-pressure vortex air flow at the nozzle 233, forming a fine aerosol.

S3, the high pressure air flow is input into the electrostatic nozzle 230 to generate the bernoulli effect, and a negative pressure is generated at the air inlet 241 of the electrostatic nozzle cover 240 and the through hole 234 at the rear end of the electrostatic nozzle 230 to suck the outside air into the electrostatic nozzle 230.

S4, the aerosol droplets are sucked into the electrostatic spray head 230 to wrap the aerosol droplets to form a protective layer, and the aerosol droplets are sprayed from the electrostatic spray head 230.

Example two

Referring to fig. 5, the air supply opening 241 is an elliptical hole, which is beneficial for the high-pressure vortex air flow to form a protective layer capable of rotating air flow in a following manner inside the electrostatic nozzle cover 240, so that the universality of the electrostatic nozzle cover 240 is enhanced.

EXAMPLE III

Referring to fig. 6-7, the air flow inside the electrostatic spray cap 240 is a 360 ° rotating air flow. The air supplementing port 241 is a rectangular hole which rotates along with the current, the spiral direction of the rectangular hole which rotates along with the current is the same as the spiral direction of an impeller in the electrostatic nozzle 230, a part of high-pressure vortex air flow in the electrostatic nozzle 230 is sprayed out of a 360-degree rotating air flow from a through hole, the high-pressure vortex air flow enters the electrostatic nozzle cover from the air supplementing port 241 which is arranged along with the 360-degree rotating air flow and is arranged in the same direction to form a 360-degree rotating air flow protective layer, meanwhile, the protective air flow can be blown out in the same rotating direction as the spraying air flow, and the mist drops can be guaranteed to be in the electrostatic ring 240 and are restrained by the kinetic energy of the protective air flow on the premise of not colliding.

Specifically, the working principle of the electrostatic aerosol spray sterilizer 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 130 for spraying operation, and the base 140 can be supported by hands under the condition that the weight of the water tank 110 is heavy, so that the device is effectively prevented from falling; 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-voltage airflow into the fairing 210 and the electrostatic spray head 230, the high-voltage airflow meets the impeller 231 to generate high-voltage vortex airflow, a negative pressure area can be generated around the nozzle 233 according to the venturi effect principle, liquid in the water tank 110 is pumped out under the negative pressure effect, and is shredded under the action of 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 nozzle 230 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 adhesion of the fog drops is increased, and the utilization rate of spraying can be effectively improved; meanwhile, under the action of negative pressure generated inside the electrostatic spray head 230, air is sucked into the electrostatic spray head 230 from the air supplementing port 241 of the electrostatic spray head cover 240 and the through hole 234 at the rear end of the electrostatic spray head 230, and aerosol droplets inside the electrostatic spray head 230 can be wrapped to form a protective layer, so that the spray is reduced to contact with the side wall of the electrostatic spray head cover 240, and the phenomenon that the droplets are adsorbed on the inner wall of the electrostatic spray head cover 240 to cause dripping is avoided, the waste of the droplets is reduced, the utilization rate of the droplets is improved, and further, a high-voltage electric field is further caused to be short-circuited, and the spray electrification capacity.

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 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), and a rubber sleeve (121) is arranged on one side of the direct current fan (120);

the spray head assembly (200) comprises a fairing (210), a spray head sleeve (220), an electrostatic spray head (230), an electrostatic spray head cover (240) and an electrostatic ring (250), wherein the fairing (210) is fixedly connected with the two shells (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 (2131) is connected inside the fixing sleeve (213) through a hose, one end of the butt joint nozzle (2131) 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 in threaded connection with the electrostatic spray head (230), and a through hole (234) is formed in one side of the outer surface of the electrostatic spray head (230), an impeller (231) is arranged in the electrostatic spray head (230), a valve (232) is fixedly connected to one side of the impeller (231), a nozzle (233) is installed on the other side of the impeller (231), the other end of the butt joint nozzle (2131) is communicated with the input end of the valve (232) through a connecting pipe, the electrostatic spray head cover (240) is connected to one end of the electrostatic spray head (230) in a threaded mode, and the electrostatic ring (250) is arranged on the inner side of the electrostatic spray head cover (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 steriliser according to claim 1, wherein the handles (130) are integrally formed on the upper surface of both housings (100).

4. An electrostatic aerosol spray steriliser according to claim 1, wherein a base (140) is fixedly attached between the two housings (100) and is located on a lower surface of the two housings (100).

5. An electrostatic aerosol spray steriliser according to claim 1, wherein a line cover (150) is provided to one side of the housing (100).

6. An electrostatic aerosol spray sterilizer as claimed in claim 1, wherein the electrostatic spray hood (240) has a plurality of air supply ports (241) formed on its outer surface.

7. An electrostatic aerosol spray steriliser according to claim 1, wherein the electrostatic ring (250) 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 (250) are of titanium metal.

9. An electrostatic aerosol spray steriliser according to claim 1, wherein the airflow inside the electrostatic spray cap (240) is 360 ° of rotational airflow or parallel airflow.

10. An operating method of an electrostatic aerosol spray sterilizer is characterized by comprising the following steps:

s1, starting the direct current fan (120), inputting high-pressure airflow into the fairing (210) and the electrostatic spray head (230) by the direct current fan (120), generating high-pressure vortex airflow when the high-pressure airflow meets the impeller (231), forming a Venturi effect at the nozzle (233), generating a negative pressure area around the nozzle (233), and extracting liquid in the water tank (110) under the action of negative pressure.

S2, opening the valve (232) while drawing out the liquid in 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.

S3, a Bernoulli effect is generated after the high-pressure airflow is input into the electrostatic nozzle (230), and negative pressure is generated at the air supplement opening (241) of the electrostatic nozzle cover (240) and the through hole (234) at the rear end of the electrostatic nozzle (230) to suck the outside air into the electrostatic nozzle (230).

And S4, the aerosol droplets are sucked into the electrostatic spray head (230) to wrap the aerosol droplets to form a protective layer, so that the aerosol droplets are sprayed out of the electrostatic spray head (230).