CN113730625B

CN113730625B - Noninductive spraying device

Info

Publication number: CN113730625B
Application number: CN202111024494.3A
Authority: CN
Inventors: 侯涛; 郭苑军; 杨雁; 李志钢; 鲍会丽
Original assignee: Beijing Aerospace Xinli Technology Co ltd
Current assignee: Beijing Aerospace Xinli Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2023-08-01
Anticipated expiration: 2041-09-02
Also published as: CN113730625A

Abstract

The invention discloses a non-inductive spraying device, which comprises a functional cabin, wherein a closed cavity is formed in the functional cabin, an air deflector is arranged in the functional cabin, the air deflector divides the cavity in the functional cabin into an air flow cavity and a mixing cavity which are mutually independent, and an air flow channel for air flow circulation is arranged between the air deflector and the functional cabin or on the air deflector; and a spraying opening is arranged on the functional cabin and positioned in the mixing cavity. The invention solves the problems of poor human body experience, poor comfort, limited coverage range, poor disinfection effect and the like existing in the existing mechanical spraying mode, can realize noninductive contact with human body, fully utilizes liquid aerosol and reduces the loss and the consumption of liquid medium; the spray disinfection device is particularly suitable for being used in specific use scenes such as airports, stations and entrances and exits in public places, and can realize large-scale three-dimensional, intelligent and noninductive spray disinfection treatment.

Description

Noninductive spraying device

Technical Field

The invention relates to the technical field of disinfection equipment, in particular to a noninductive spraying device for disinfecting viruses on the surfaces of personnel or objects.

Background

The related researches show that the aerosols containing viral nucleic acid such as gastroenteritis, novel coronavirus and the like are scattered in the air, gradually subside after a period of time, adhere to the surface of an object and can cause contact infection of other people. Especially in public places such as airports, hospitals, schools, stations, movie theaters and the like with large personnel mobility, the infection of people is extremely easy to cause. The traditional disinfection treatment for the areas mainly adopts modes of wiping disinfection, spraying disinfection and the like, has low operation efficiency and poor disinfection effect. At present, a mechanical spraying device is generally adopted for disinfection treatment in public places with large traffic, and the mechanical spraying device is generally in a centralized spraying mode, such as spraying and atomizing by adopting a single large-caliber round hole, so that atomized particles are large, human comfort and poor experience are caused, the time for suspending the atomized particles in the air is short, and the waste of disinfection solution is caused; and the coverage area is small, the killing blind area is easy to exist, the killing effect is poor, and the like.

Disclosure of Invention

Aiming at the problems of poor human body experience, poor comfort, limited coverage, poor disinfection effect and the like existing when the disinfection treatment is carried out by adopting a spray disinfection mode at present, the invention provides a non-inductive spraying device which is used for carrying out the disinfection treatment on the surface of a human body or an object so as to solve the problems.

In order to solve the technical problems, the invention adopts the following technical scheme:

the noninductive spraying device comprises a functional cabin, wherein a closed cavity is formed in the functional cabin, an air deflector is arranged in the functional cabin, the air deflector divides the cavity in the functional cabin into an air flow cavity and a mixing cavity which are mutually independent, and an air flow channel for air flow circulation is arranged between the air deflector and the functional cabin or on the air deflector and used for communicating the air flow cavity with the mixing cavity;

the functional cabin is provided with a spray opening positioned in the mixing cavity, air flow is introduced into the air flow cavity, liquid aerosol is introduced into the mixing cavity, the air flow of the air flow cavity enters the mixing cavity through the air flow channel to treat the liquid aerosol in the mixing cavity, and the treated liquid aerosol is discharged through the spray opening.

In the above technical scheme, further, the air deflector forms at least one air guiding surface inclined towards the mixing cavity in the air flow cavity, the air flow moves along the air guiding surface and enters the mixing cavity through the air flow channel, and the air flow channel is positioned at a position close to one side of the air deflector inclined towards the mixing cavity.

In the above technical scheme, further, the aviation baffle is the structure of reverse V-arrangement folded plate, the both sides of aviation baffle are towards the both sides wall direction slope setting of functional compartment respectively, form the air current passageway respectively between aviation baffle both sides and the both sides wall of functional compartment.

In the above technical solution, further, the air flow channel includes one or more strip-shaped slits; preferably, the width of the narrow slit is 1-3mm.

In the above technical scheme, further, the air deflector is axially arranged along the functional compartment, a conduit assembly axially arranged along the functional compartment is arranged in the mixing cavity, and the liquid aerosol is sent into the mixing cavity through the conduit assembly; preferably, the guide pipe assembly is provided with a plurality of liquid outlets along the axial direction of the guide pipe assembly, and the liquid outlets are positioned on one side of the guide pipe assembly, which faces the air deflector; preferably, the functional bin, the air deflector and the conduit assembly are made of nonmetallic materials.

In the above technical scheme, further, the catheter assembly comprises two catheters and a three-way pipe, the catheters are respectively connected to two interfaces of the three-way pipe, and the other interface of the three-way pipe extends out of the functional cabin.

In the above technical solution, further, a plurality of blowers for introducing air flow into the air flow chamber are arranged on the functional compartment along the axial direction of the functional compartment; preferably, the air outlet of the air blower is arranged towards the air deflector; preferably, a filter cover is arranged at the air inlet or the air outlet of the air blower.

In the above technical scheme, further, the spraying port is arranged on one side of the functional cabin opposite to the air deflector; preferably the spray opening comprises a number of strip-shaped holes provided in the functional compartment.

In the above technical solution, further, the opening of the spraying opening may be adjusted as required.

In the technical scheme, the device further comprises an induction unit which can induce the passing signal of a human body or an object in a certain range;

when the sensing unit senses signals of human bodies or objects passing through, air flow is introduced into the air flow cavity, and liquid aerosol is introduced into the mixing cavity.

The invention has the beneficial effects that:

1) According to the spraying device, the air deflector is arranged to separate the inside of the device into the independent airflow cavity and the mixing cavity, the high-speed airflow of the airflow cavity enters the mixing cavity through the airflow channel with very narrow width, the airflow speed entering the mixing cavity is amplified in multiple at the moment, the larger the airflow speed is, the larger the internal pressure is according to the Bernoulli principle, the accelerated airflow in the mixing cavity and the liquid aerosol are fully mixed at the moment, so that the aerosol with the nano-scale particle size can be obtained, the particle size of the aerosol sprayed out of the device can be effectively reduced, and the noninductive contact between the aerosol and a human body is realized; the obtained aerosol has good wrapping property, can increase the suspension residence time of the aerosol in the air after being sprayed out of the device, realizes the full utilization of the liquid aerosol, and reduces the loss and the consumption of liquid medium.

2) By arranging the air deflector in the device, the air feeder and the liquid aerosol can be effectively isolated, so that the liquid aerosol is prevented from entering the air feeder, and the air feeder is effectively protected.

3) The invention has simple structure, can form a larger spraying action area by reasonably arranging the structure of the air deflector in the functional cabin, has the spraying width of 400mm, the spraying distance of 1000mm and the spraying height of 2000mm, and can effectively cover and treat the surface of a person or an object passing through the spraying action area; the spray disinfection device is particularly suitable for being used in specific use scenes such as airports, stations and entrances and exits in public places, and can realize large-scale three-dimensional, intelligent and noninductive spray disinfection treatment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly describe the drawings in the embodiments, it being understood that the following drawings only illustrate some embodiments of the present invention and should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a non-inductive atomizer according to an embodiment of the invention.

Fig. 2 is a top view of a non-inductive spray device according to an embodiment of the invention.

FIG. 3 is a schematic cross-sectional view of a non-inductive spray device according to an embodiment of the invention.

Fig. 4 is a schematic structural diagram of the internal principle of action of the non-inductive spraying device according to an embodiment of the invention.

In the figure: 100. the functional cabin comprises a functional cabin body 101, an air outlet U plate 102, an air outlet flat plate 103, an air outlet end plate 104, an air flow cavity 105 and a mixing cavity;

200. an air deflector;

300. an air flow channel;

401. a conduit, 411, a liquid outlet, 402, a tee;

500. a blower;

600. a filter cover;

700. and a spray opening.

Detailed Description

The invention will be further described with reference to the drawings and the specific examples.

Referring to fig. 1 to 3, the non-inductive spraying device in the present embodiment includes a functional compartment 100, wherein a closed chamber is formed inside the functional compartment 100, and as shown in fig. 1 and 2, the functional compartment 100 is composed of an air-out U-plate 101, an air-out flat plate 103, and air-out end plates 103 disposed at both ends, and a closed chamber structure is formed inside the functional compartment 100.

The air deflector 200 is arranged in the functional cabin 100, the air deflector 200 divides the inner cavity of the functional cabin 100 into an air flow cavity 104 and a mixing cavity 105 which are arranged up and down and are mutually independent, and an air flow channel for air flow circulation is arranged between the air deflector and the functional cabin or on the air deflector and used for communicating the air flow cavity and the mixing cavity.

In one embodiment, the air deflector 200 forms at least one air guiding surface inclined towards the mixing chamber in the air flow chamber, the air flow moves along the air guiding surface and enters the mixing chamber through the air flow channel 300, and the air flow channel 300 is positioned near one side of the air deflector 200 inclined towards the mixing chamber. Specifically, as shown in fig. 3, the air deflector 200 in this embodiment has an inverted V-shaped folded plate structure, two air guiding surfaces of the air deflector 200 are respectively disposed obliquely downward toward two side walls (an air outlet U plate and an air outlet flat inner wall) of the functional cabin, and air flow channels are respectively formed between two sides of the air deflector 200 and two side walls of the functional cabin 100. At this time, the air deflector 200 forms two air guiding surfaces inclined toward both sides in the air flow chamber, and air in the air flow chamber flows through the air guiding surfaces and then enters the mixing chamber 105 from the air flow channel.

In one embodiment, the airflow channel 300 is a narrow slit in the shape of a bar. The width of the slit is 1-3mm, preferably the width of the slit is set to 2mm.

In this embodiment, the air deflector 200 is disposed along the axial direction of the functional cabin, specifically, two ends of the air deflector 200 are fixedly connected with the air outlet end plates at two ends of the functional cabin, at this time, two sides of the air deflector 200 are disposed at intervals with inner walls at two sides of the functional cabin, and two sets of air flow channels 300 are formed between two sides of the air deflector 200 and inner walls at two sides of the functional cabin. A plurality of air guide plate supports may be disposed between the functional compartment 100 and the air guide plate 200 along the axial direction thereof for achieving stable connection between the air guide plate and the functional compartment.

The functional compartment 100 is provided with spray openings located in the mixing chamber 105. High-speed air flow is introduced into the air flow cavity 104, liquid aerosol is introduced into the mixing cavity 105, the air flow of the air flow cavity enters the mixing cavity through the air flow channel to treat the liquid aerosol in the mixing cavity, and the treated liquid aerosol is discharged through the spray opening 700.

In one embodiment, the functional compartment 100 is provided with a plurality of blowers 500 for introducing air into the air flow chamber along its axial direction. As shown in fig. 1 and 2, the blower 500 is arranged at the upper end of the air outlet U-plate 101 in an array along the axial direction of the functional compartment, and is used for conveying high-speed air flow into the air flow cavity, and the speed and the quantity of air of the blower can be adjusted by adjusting the rotating speed of the blower, so that the function of adjusting the speed and quantity of air flow in the air flow cavity is achieved. A filter cover 600 is provided at the air inlet or outlet of the blower 500 to prevent impurities in the air from entering the functional compartment.

In an embodiment, a conduit assembly is disposed axially along the functional compartment within the mixing chamber 105, through which the liquid aerosol is fed into the mixing chamber. Specifically, as shown in fig. 1, the catheter assembly herein includes two catheters 401 and a tee 402, the catheters 401 are respectively connected to two interfaces of the tee 402, and the other interface of the tee 402 extends out of the functional compartment 100 and is connected to a sterilizer generator. At this time, the disinfectant aerosol generated by the generator of the sterilizer is treated by the thinning device, then respectively enters into the two guide pipes through the three-way pipe, and is sprayed into the mixing cavity through the guide pipes.

Here, the liquid aerosol is conveyed into the mixing cavity through two horizontally arranged guide pipes 401, at this time, the movement path of the liquid aerosol in the guide pipes is longer, and aerosol particles with micron-sized particle size can be filtered by utilizing the gravity of the liquid aerosol, so that the particle size of the aerosol entering the mixing cavity is smaller and more uniform, and the treatment effect of the liquid aerosol in the mixing cavity is further improved.

In an embodiment, a plurality of liquid outlets are axially arranged on the conduit 401 along the axial direction of the conduit, and the liquid outlets are positioned on one side of the conduit facing the air deflector, so that the liquid aerosol in the conduit is ejected towards the air deflector and enters the mixing cavity, and at the moment, when the liquid aerosol hits the air deflector, the flowing direction of the liquid aerosol is changed, so that the liquid aerosol meets the high-speed airflow in the mixing cavity, and the liquid aerosol and the high-speed airflow are continuously and uniformly mixed under the action of the high-speed airflow, so that the treatment effect of the high-speed airflow in the mixing cavity on the liquid aerosol is further improved.

The fully processed liquid aerosol in the mixing chamber 105 is sprayed out through the spraying opening 700 on the functional compartment, and in this embodiment, the spraying opening 700 is disposed on the side of the functional compartment opposite to the air deflector 200, i.e. on the lower end of the air outlet U-plate 101. The spray openings 700 are a plurality of strip-shaped holes arranged on the lower end of the air outlet U-plate 101.

The opening of the spray opening 700 on the optimized functional cabin can be adjusted according to the requirement; specifically, the opening of the spraying opening is controlled by the flow of the liquid aerosol entering the device and the rotating speed of the blower, so that the sprayed liquid aerosol is ensured to have enough concentration, the sterilization treatment of germs on the surface of a human body or an object is realized, and meanwhile, the waste of sterilization medium is not caused.

In one embodiment, the spraying device further comprises a sensing unit which can sense the passing signal of a human body or an object in a certain range; when the sensing unit senses signals of human bodies or objects passing through, the blower is started to introduce air flow into the air flow cavity, the sterilizer generator is started to introduce disinfectant aerosol into the mixing cavity, and automatic disinfection treatment of the noninductive spraying device is achieved.

The functional cabin, the air deflector, the conduit assembly and the like in the spraying device of the embodiment all adopt nonmetallic and corrosion-resistant materials so as to reduce the corrosion of liquid aerosol to the device and prolong the service life of the device.

The specification and figures are to be regarded in an illustrative rather than a restrictive sense, and one skilled in the art, in light of the teachings of this invention, may make various substitutions and alterations to some of its features without the need for inventive faculty, all being within the scope of this invention.

Claims

1. The noninductive spraying device is characterized by comprising a functional cabin, wherein a closed cavity is formed in the functional cabin, an air deflector is arranged in the functional cabin, the air deflector divides the cavity in the functional cabin into an air flow cavity and a mixing cavity which are mutually independent, and an air flow channel for air flow circulation is arranged between the air deflector and the functional cabin or on the air deflector and used for communicating the air flow cavity and the mixing cavity;

the functional cabin is provided with a spray opening positioned in the mixing cavity, air flow is introduced into the air flow cavity, liquid aerosol is introduced into the mixing cavity, the air flow of the air flow cavity enters the mixing cavity through an air flow channel to treat the liquid aerosol in the mixing cavity, and the treated liquid aerosol is discharged through the spray opening;

the air guide plate forms at least one air guide surface inclined towards the mixing cavity in the air flow cavity, the air flow moves along the air guide surface and enters the mixing cavity through the air flow channel, and the air flow channel is positioned at a position close to one side of the air guide plate inclined towards the mixing cavity;

the airflow channel comprises one or more strip-shaped narrow slits;

the air deflector is axially arranged along the functional cabin, a conduit assembly axially arranged along the functional cabin is arranged in the mixing cavity, and the liquid aerosol is sent into the mixing cavity through the conduit assembly; a plurality of liquid outlets are arranged on the conduit assembly along the axial direction of the conduit assembly, and the liquid outlets are positioned on one side of the conduit assembly, which faces the air deflector;

a plurality of blowers for introducing air flow into the air flow cavity are arranged on the functional cabin along the axial direction of the functional cabin; the air outlet of the air blower is arranged towards the air deflector;

the spraying port is arranged on one side of the functional cabin opposite to the air deflector.

2. The non-inductive spraying device according to claim 1, wherein the air deflector is in an inverted V-shaped folded plate structure, two sides of the air deflector are respectively arranged obliquely towards two side walls of the functional cabin, and air flow channels are respectively formed between the two sides of the air deflector and the two side walls of the functional cabin.

3. A non-inductive spray device according to claim 1 or 2, wherein the width of the slot is 1-3mm.

4. The non-inductive spray device of claim 1, wherein said functional compartment, air deflector, conduit assemblies are of non-metallic material.

5. The non-inductive aerosol apparatus of claim 1, wherein the conduit assembly comprises two conduits and a tee, the conduits being connected to two interfaces of the tee, respectively, the other interface of the tee extending out of the functional compartment.

6. The non-inductive spray device of claim 1, wherein a filter housing is provided at an air inlet or an air outlet of said blower.

7. The non-inductive spray device of claim 1, wherein said spray orifice comprises a plurality of strip-shaped apertures disposed on the functional compartment.

8. The non-inductive spray device of claim 1 or 7, wherein the opening size of said spray orifice is adjustable as desired.

9. The non-inductive spray device of claim 1, further comprising an inductive element that is capable of sensing a human or object passing signal within a range;