CN212618874U

CN212618874U - Deodorization sterilization equipment

Info

Publication number: CN212618874U
Application number: CN202020579234.7U
Authority: CN
Inventors: 黄建芳; 宋成胜; 袁彦辉; 伍英泉
Original assignee: Shenzhen Invic Health Environmental Technology Co ltd
Current assignee: Shenzhen Invic Health Environmental Technology Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2021-02-26
Anticipated expiration: 2030-04-17

Abstract

The application discloses deodorization sterilization equipment, including the casing, the casing is equipped with the casing air intake, and the inside of casing is equipped with fan and plasma generating device, and plasma generating device locates between the air intake and the casing air intake of fan. The utility model provides a deodorization sterilization equipment sets up plasma generating device in the lower return air side of wind speed, has prolonged the dwell time of gas molecule at plasma generating device for gas molecule obtains abundant reaction and decomposition at the in-process through plasma generating device, has improved deodorization sterilization equipment's deodorization efficiency.

Description

Deodorization sterilization equipment

Technical Field

The application relates to the technical field of ion deodorization and sterilization, in particular to deodorization and sterilization equipment.

Background

At present, the plasma technology can be applied to the deodorization equipment applied to the places such as toilets and factories, the deodorization equipment mainly comprises a fan and a plasma generation device arranged on the air outlet side of the fan, and in the working process, gas in the environment flows through the plasma generation device after being blown out by the fan and reacts in the plasma generation device to realize the deodorization process.

However, in practice, the inventors found that: the air flow rate of the air outlet side of the fan is high, so that the air cannot be fully reacted when flowing through the plasma generating device, gas molecules are not decomposed, and the deodorization efficiency is influenced.

In summary, how to improve the deodorization and sterilization efficiency is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a deodorization and sterilization apparatus capable of sufficiently decomposing gas molecules flowing therethrough, thereby improving the efficiency of deodorization efficiency.

In order to achieve the above purpose, the present application provides the following technical solutions:

the utility model provides a deodorization sterilization equipment, includes the casing, the casing is equipped with the casing air intake, the inside of casing is equipped with fan and plasma generating device, plasma generating device locates the air intake of fan with between the casing air intake.

Optionally, the casing is provided with a casing air outlet, the fan is a volute centrifugal fan, and the air outlet of the fan is connected with the casing air outlet.

Optionally, the surface of the housing is provided with a corrosion-resistant coating.

Optionally, a sealed electric control box is arranged inside the casing, and an electric control assembly of the deodorization and sterilization device is arranged in the electric control box.

Optionally, the surface of the electronic control box is provided with a corrosion-resistant coating.

Optionally, a filtering device is further disposed inside the casing, and the filtering device is disposed between the casing air inlet and the plasma generating device.

Optionally, the filter device includes a filter screen fixedly connected to the inner side wall of the housing.

Optionally, the air inlet side of the filter screen is connected with the air inlet of the shell in a sealing manner.

Optionally, the plasma generating device comprises an outer electrode, an inner electrode and a medium pipe, the inner electrode is arranged inside the medium pipe, the outer electrode is sleeved outside the medium pipe, an insulating gasket is arranged between the outer electrode and the medium pipe, and the insulating gasket is sleeved at least one end of the medium pipe.

Optionally, the insulating washer is provided with an open slot for adjusting the inner diameter thereof.

Through above-mentioned scheme, the deodorization sterilization equipment that this application provided's beneficial effect lies in:

the deodorization sterilization equipment comprises a fan, a plasma generation device and a shell, wherein the fan and the plasma generation device are accommodated in the shell; wherein, plasma generating device sets up between the air intake of fan and casing air intake.

In the working process, negative pressure is formed inside the shell after the fan is started, air is sucked from the air inlet of the shell, and after passing through the high-energy electric field of the plasma generating device, gas molecules contained in odor are decomposed in the high-energy electric field, and then the gas enters the fan.

Because plasma generating device is located the return air side, and the wind speed of return air side is less than the wind speed of fan export, consequently, compare in prior art with the scheme of locating plasma generating device in the fan air outlet, the scheme in this application can increase the dwell time of air at plasma generating device for gas obtains abundant reaction and decomposition at the in-process through plasma generating device, thereby has improved deodorization sterilization equipment's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an internal structure view of a deodorization and sterilization apparatus according to an embodiment of the present application;

FIG. 2 is a sectional view taken along the line A-A of the deodorizing and sterilizing apparatus shown in FIG. 1;

FIG. 3 is a front view of the deodorization sterilization apparatus shown in FIG. 1;

FIG. 4 is a left side view of the deodorization sterilization apparatus shown in FIG. 1;

FIG. 5 is a right side view of the deodorization sterilization apparatus shown in FIG. 1;

fig. 6 is a structural diagram of a plasma generation apparatus according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a plasma generation device according to an embodiment of the present disclosure after removing an external electrode;

FIG. 8 is a front view of an insulating washer provided in accordance with an embodiment of the present application;

FIG. 9 is a side view of the insulating washer shown in FIG. 8;

FIG. 10 is a front view of another insulating washer provided in accordance with an embodiment of the present application;

FIG. 11 is a side view of the insulating washer shown in FIG. 10;

fig. 12 is a front view of a stepped insulating washer provided in an embodiment of the present application;

FIG. 13 is a side view of the stepped insulating washer shown in FIG. 12;

FIG. 14 is a front view of another stepped insulating washer provided by embodiments of the present application;

FIG. 15 is a side view of the stepped insulating washer shown in FIG. 14;

fig. 16 is a structural diagram of another plasma generation device according to an embodiment of the present application.

The reference numbers in FIGS. 1-16 are: 1-a fan, 2-a plasma generating device, 3-an electric control box, 4-a shell air inlet, 5-a shell air outlet, 6-a filtering device and 7-a shell; 21-straight ring type insulating washer, 22-open slot, 23-step type insulating washer, 24-medium tube, 25-sealing piece, 26-external electrode and 27-edge wrapping ring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 5, the deodorization and sterilization apparatus provided by the present application may include: the device comprises a shell 7, a fan 1, a plasma generating device 2, a filtering device 6 and an electric control box 3.

The casing 7 is a structural member with a cavity inside, and the fan 1, the plasma generating device 2, the electric control box 3 and the filtering device 6 are all placed in the cavity of the casing 7. The structure of the housing 7 has various options, for example, the housing 7 specifically includes a rear cover plate and a cover body with an opening at the bottom, and the rear cover plate and the opening of the cover body are assembled and fixed by bolts, or fasteners, or other mechanical structures; optionally, a PC light plate may be provided on the outer surface of the housing 7. The housing 7 is provided with a housing inlet 4 and a housing outlet 5, and in general, for a generally rectangular housing 7, the housing inlet 4 and the housing outlet 5 may be provided on opposite sides of the housing 7. In addition, considering that a large amount of byproducts such as high-energy negative ions and ozone are generated during the deodorization process of the plasma generation device 2, and the byproducts are liable to cause corrosion and damage to the electronic control components and the housing 7, a corrosion-resistant coating may be provided on the surface of the housing 7, particularly on the inner surface of the housing 7.

The fan 1 is used for driving gas to flow along the air duct, an air outlet of the fan 1 is connected with an air outlet 5 of the shell, and an air inlet of the fan 1 is connected with an air inlet 4 of the shell through the air duct. In actual design, in order to increase the amount of wind, improve the speed of air circulation in the space, improve deodorization efficiency, the preferred fan 1 that adopts wind pressure and amount of wind height, for example specifically adopt spiral case centrifugal fan, the air-out face of the spiral case of fan 1 can directly laminate on the inside wall of casing 7.

The plasma generator 2 can convert molecules into positive and negative ions to purify and deodorize gas. The plasma generating device 2 is arranged in an air channel between the air inlet of the fan 1 and the shell air inlet 4, most of air sucked from the shell air inlet 4 can pass through the plasma generating device 2 and react, and therefore odor gas is effectively decomposed.

Filter equipment 6 is arranged in filtering the dust particle in the air, and filter equipment 6 is located between casing air intake 4 and plasma generation device 2, and earlier the filter equipment 6 of flowing through behind the cavity of air admission casing 7 filters promptly, just flows through plasma generation device 2 and fan 1 to avoid dust particle to damage fan 1 and plasma generation device 2 at the in-process that flows.

In one embodiment, the filter device 6 is a filter screen, such as a primary filter screen, and the filter screen is fixedly connected to the inner side wall of the housing 7 by bolts, or a filter screen bracket, or other mechanical structures. In order to filter all the air entering the housing 7 and prevent air from flowing behind the filter device 6 without being filtered, the air inlet side of the filter screen is preferably hermetically connected to the housing inlet 4.

The electric control box 3 is a box body for accommodating an electric control component of the deodorization and sterilization device, wherein the electric control component can comprise an electric power supply, a control panel and other electronic devices. Automatically controlled box 3 adopts seal structure for automatically controlled subassembly and the inside gaseous isolation of casing 7 avoid automatically controlled subassembly to receive the corruption of the produced accessory substance of plasma generating device 2 deodorization in-process, also effectively isolated moisture and dust in the environment simultaneously play the effect that improves deodorization sterilization equipment stability, extension deodorization sterilization equipment life. Optionally, a corrosion-resistant coating may be further disposed on the surface of the electronic control box 3 to protect the electronic control box 3.

Optionally, in order to carry out the dismouting to deodorization sterilizing equipment in order to make things convenient for, reduce deodorization sterilizing equipment's volume, make the overall arrangement compact pleasing to the eye simultaneously, deodorization sterilizing equipment can adopt following layout mode: the shell 7 adopts a combination form of a cover body and a rear cover plate, and the rear cover plate is detachably connected with an opening at the bottom end of the cover body through a bolt, a buckle or other mechanical structures. The layout of the components inside the housing 7 is as follows: a shell air inlet 4, a filtering device 6, a plasma generating device 2, a fan 1 and a shell air outlet 5 are sequentially arranged in a cavity of the shell 7 from one end to the other end; the electric control box 3 is attached to the side wall of the cover body and is arranged opposite to the fan 1 and/or the plasma generating device 2.

In the present embodiment, the filter device 6 is designed based on the consideration of avoiding the dust particles in the air from damaging the fan 1 and the plasma generation device 2; and the electric control box 3 is designed based on the consideration that the electric control components are exposed to the negative ion environment and are easy to corrode. In other embodiments, for example, in the absence of the above, the deodorizing and sterilizing unit may omit the filtering means 6 and/or the electric control box 3.

As can be seen from the above embodiments, the deodorization and sterilization device provided by the present application has the following beneficial effects:

the application provides a deodorization sterilization equipment uses plasma technique, can decompose the foul smell in scenes such as lavatory. In the operation process, negative pressure is formed in the cavity of the shell 7 after the fan 1 is started, air is sucked from the shell air inlet 4, and flows through the high-energy electric field of the plasma generating device 2 after being filtered by the filtering device 6, gas molecules contained in odor are decomposed in the high-energy electric field, and byproducts are blown out of the shell 7 through the fan 1. Because plasma generating device 2 is located the return air side, and the wind speed of return air side is less than the wind speed of the export of fan 1, consequently, compare in prior art with the scheme of plasma generating device 2 locating the air outlet of fan 1, the scheme in this application is through the mode that slows down the velocity of flow, increases the dwell time of air at plasma generating device 2 for gas obtains abundant reaction and decomposition at the in-process through plasma generating device 2, thereby has improved deodorization sterilization equipment's deodorization efficiency.

Referring to fig. 6 to 16, further, the present application optimizes the structure of the plasma generating apparatus 2. In this embodiment, the plasma generation device 2 includes: an outer electrode 26, an inner electrode and a dielectric tube 24.

The inner electrode is arranged inside the medium tube 24, the outer electrode 26 is sleeved outside the medium tube 24 and comprises one of a mesh screen, a metal sheet, a metal coil, a metal rod and a metal wire, the outer electrode 26 is preferably of a net-shaped structure, an insulating gasket is arranged between the outer electrode 26 and the medium tube 24, and the insulating gasket is sleeved on at least one end of the medium tube 24. Wherein the inner diameter of the insulating washer is determined by the outer diameter of the dielectric tube 24, the outer diameter of the insulating washer is determined by the inner diameter of the outer electrode 26, and the difference between the inner diameter and the outer diameter is the discharge gap. Through increasing insulating washer, guaranteed the discharge gap interval for the electric field is more homogeneous, has avoided the problem of abnormal discharge to appear, and insulating washer has increased the insulating coefficient at electric field edge simultaneously, makes plasma generating device safer at the in-process of work, has secondly reduced the production of by-products such as ozone, has reduced the influence to the environment.

In one embodiment of the present application, the insulating gasket includes at least one of: stepped insulating washer 23 and straight ring type insulating washer 21 specifically include the following arrangement: one end of the medium pipe 24 is sleeved with a stepped insulating washer 23 or a straight ring type insulating washer 21; two ends of the medium tube 24 are respectively sleeved with a straight ring type insulating washer 21; two ends of the medium tube 24 are respectively sleeved with a stepped insulating washer 23; one end of the medium pipe 24 is sleeved with a straight ring type insulating washer 21, and the other end is sleeved with a stepped insulating washer 23.

Specifically, when one end of the dielectric tube 24 is the sealing element 25, the insulating washer sleeved on the end of the sealing element 25 close to the dielectric tube 24 is the stepped insulating washer 23 or the straight ring insulating washer 21, and the insulating washer sleeved on the end of the sealing element 25 far from the dielectric tube 24 is the straight ring insulating washer 21, for example, when the other end of the dielectric tube 24 is the round head structure, the end close to the round head structure is preferably the straight ring insulating washer, the stepped insulating washer 23 can be regarded as a baffle plate with a proper height added on the basis of the straight ring insulating washer 21 to improve the distance between the electrodes, the height of the baffle plate is related to the applied voltage, for the load voltage environment of the plasma generation device in the air purifier, the height is generally 2-3 mm, wherein the stepped insulating washer 23 is preferably of an integral structure.

Specifically, when both ends of the medium pipe 24 are the sealing members 25, the insulating washer is preferably a stepped insulating washer 23.

Wherein the step height of the stepped insulating washer 23 is preferably 3mm to increase a creepage distance so that abnormal discharge is not generated between the inner and outer electrodes 26.

And secondly, the insulating washer is made of one of PPS, PTFE, mica or alumina ceramics.

Further, the inner side of the outer electrode 26 is in contact with the outer side of the insulating gasket to prevent the insulating gasket and the outer electrode 26 from sliding or falling off at the dielectric pipe 24. In addition, referring to fig. 11, since the edge of the end of the mesh-shaped external electrode has a sharp point, there are problems of hand injury and abnormal discharge, and in order to eliminate the problem, at least one end of the external electrode 26 is sleeved with a rim 27, and the rim is preferably connected to the end of the external electrode by welding. The edge covering ring can be arranged at the end part of the outer electrode in three ways, and the description is given by taking one end of the outer electrode as an example, and the first way is that the edge covering ring is positioned at the inner ring of the end part of the outer electrode; secondly, the edge covering ring is positioned on the outer ring of the end part of the outer electrode; thirdly, the edge covering ring is simultaneously positioned on the inner ring and the outer ring of the end part of the outer electrode. Therefore, the edge covering ring 27 can prevent the end of the external electrode 26 from being exposed outside, and can further prevent the external electrode 26 from falling off, thereby playing a certain role in supporting and protecting the external electrode 26, and preventing the external electrode 26 from deforming. Wherein the surrounding ring 27 may be made of metal or plastic.

In order to improve the applicability of the insulating gasket to the medium pipes 24 with different outer diameter sizes, the insulating gasket is provided with an open slot 22, the inner diameter of the insulating gasket can be adjusted through the open slot 22, and the width of the open slot 22 is preferably 1 mm.

In another embodiment, the mesh of the outer electrode mesh and the inner electrode mesh is 30 to 80 mesh.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The deodorizing and sterilizing apparatus provided by the present application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. The utility model provides a deodorization sterilization equipment, characterized in that, includes casing (7), casing (7) are equipped with casing air intake (4), the inside of casing (7) is equipped with fan (1) and plasma generating device (2), plasma generating device (2) are located the air intake of fan (1) with between casing air intake (4).

2. Deodorization and sterilization apparatus as claimed in claim 1, wherein said housing (7) is provided with a housing air outlet (5), said fan (1) is a volute centrifugal fan, and the air outlet of said fan (1) is connected with said housing air outlet (5).

3. A deodorising and sterilising device according to claim 1, characterised in that the surface of the housing (7) is provided with a corrosion-resistant coating.

4. A deodorising and sterilising device as claimed in claim 1, characterised in that the interior of the housing (7) is provided with a sealed electrical control box (3), and that the electrical control components of the deodorising and sterilising device are located in the electrical control box (3).

5. The apparatus according to claim 4, characterized in that the surface of said electronic control box (3) is provided with a corrosion-resistant coating.

6. The apparatus according to claim 1, wherein a filter means (6) is further provided inside the housing (7), and the filter means (6) is provided between the housing air inlet (4) and the plasma generating means (2).

7. The apparatus according to claim 6, characterized in that said filtering means (6) comprises a filtering net fixedly connected to the inner side wall of said casing (7).

8. The deodorizing and disinfecting device according to claim 7 wherein the air inlet side of said filter screen is sealingly connected to said housing air inlet (4).

9. The apparatus according to any one of claims 1 to 8, wherein the plasma generating device (2) comprises an outer electrode (26), an inner electrode and a medium pipe (24), the inner electrode is arranged inside the medium pipe (24), the outer electrode (26) is sleeved outside the medium pipe (24), an insulating gasket is arranged between the outer electrode (26) and the medium pipe (24), and the insulating gasket is sleeved at least one end of the medium pipe (24).

10. The apparatus according to claim 9, wherein the insulating washer is provided with an open groove (22) for adjusting an inner diameter thereof.