CN217091499U

CN217091499U - Disinfection and sterilization device

Info

Publication number: CN217091499U
Application number: CN202123391306.9U
Authority: CN
Inventors: 王墅; 曾焕雄; 毛建平; 董双幸; 王铭昭; 马明宇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-02
Anticipated expiration: 2031-12-29

Abstract

The utility model provides a disinfection and sterilization device for disinfection and sterilization is carried out to air purifier's purification subassembly. The purification component comprises a filter screen and a dust collecting plate; the disinfection and sterilization device comprises: a housing having a mounting opening; the power supply is arranged in the shell; the first electrode is arranged at the mounting opening and is electrically connected with the positive electrode of the power supply; the second electrode is electrically connected with the negative electrode of the power supply, and a discharge space is formed between the second electrode and the first electrode; a dielectric plate; the sterilizing device is provided with a first use state for sterilizing the filter screen and a second use state for sterilizing the dust collecting plate, and when the sterilizing device is in the first use state, the discharging space is used for inserting the filter screen; when the disinfection and sterilization device is in the second use state, the second electrode is a dust collecting plate, and the medium plate is inserted into the discharge space. The utility model provides a collect the bacterium virus and influence air purifier purification efficiency's problem on air purifier's filter screen and the dust collecting plate of prior art.

Description

Disinfection and sterilization device

Technical Field

The utility model relates to a household electrical appliances technical field particularly, relates to a disinfection and sterilization device.

Background

At present, when an air purifier purifies air by using an electric purification electrostatic principle or a filter screen physical adsorption principle, although bacteria and viruses in the air can be adsorbed and removed, the bacteria and viruses in the air can be collected on the filter screen and a dust collecting plate.

However, in the course of the user's subsequent long-term use of the air purifier, since bacterial viruses exist on the filter screen and the dust collecting plate themselves, the purification efficiency of the air purifier is lowered, and there is a risk that the discharged air is secondarily infected with the bacterial viruses.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a disinfection and sterilization device to collect the bacterium virus and influence the problem of air purifier purification efficiency on solving prior art air purifier's filter screen and dust collecting plate.

In order to achieve the purpose, the utility model provides a disinfection and sterilization device which is used for disinfecting and sterilizing a purification component of an air purifier, wherein the purification component comprises a filter screen and a dust collecting plate; the disinfection and sterilization device comprises: a housing having a mounting opening; the power supply is arranged in the shell; the first electrode is arranged at the mounting opening and is electrically connected with the positive electrode of the power supply; the second electrode is electrically connected with the negative electrode of the power supply, and a discharge space is formed between the second electrode and the first electrode; a dielectric plate; the sterilizing device is provided with a first use state for sterilizing the filter screen and a second use state for sterilizing the dust collecting plate, and when the sterilizing device is in the first use state, the discharge space is used for inserting the filter screen; when the disinfection and sterilization device is in the second use state, the second electrode is a dust collecting plate, and the medium plate is inserted into the discharge space.

Further, the dielectric plate is made of an electret.

Further, the first electrode comprises a connecting plate and a plurality of sub-electrodes arranged on the connecting plate, each sub-electrode is electrically connected with the positive electrode through the connecting plate, and each sub-electrode is arranged towards the discharge space; wherein, a plurality of sub-electrodes are arranged along the length direction and/or the width direction of the connecting plate at intervals.

Furthermore, each sub-electrode is in a columnar shape or a needle shape and extends into the meshes of the filter screen.

Further, the sterilization device further comprises: and the grounding metal clamp is used for clamping a second electrode, and the second electrode is electrically connected with the negative electrode through the grounding metal clamp.

Further, the housing includes: the mounting port is arranged on the machine shell body; the handle is arranged on the machine shell body.

Further, the handle is made of an insulating material; or, the handle is covered with an insulating layer.

Further, the first electrode comprises a connecting plate and an electrode plate arranged on the connecting plate, and the electrode plate is electrically connected with the positive electrode through the connecting plate.

Further, the sterilization device further comprises: the driving device is in driving connection with the filter screen so as to drive the filter screen to reciprocate along a first preset direction and/or a second preset direction; the first preset direction is consistent with the length direction of the filter screen, and the second preset direction is consistent with the width direction of the filter screen.

Further, the sterilization device further comprises: the casing is arranged in the first accommodating part, the second electrode is arranged in the second accommodating part, and the third accommodating part is used for accommodating a filter screen or a medium plate; the cover body is provided with a lead accommodating part, and the lead accommodating part is used for accommodating a lead for connecting the second electrode and the negative electrode.

Further, the sterilization device further comprises: and the switch is electrically connected with the power supply and is used for controlling the on-off state of the power supply.

Use the technical scheme of the utility model, disinfection and sterilization device can be used to carry out disinfection and sterilization to air purifier's filter screen and dust collecting plate, and when disinfection and sterilization device was in first user state, the filter screen inserted to the discharge space in, when disinfection and sterilization device was in the second user state, the second electrode was the dust collecting plate, and the medium plate inserted to the discharge space in. Like this, when needs disinfect the filter screen, the filter screen inserts to the discharge space in, the intercommunication power to make first electrode and second electrode discharge and produce plasma, plasma acts on the bacterium that covers on the filter screen surface, so that the cell membrane breakage of bacterium, and then disinfect the filter screen. When the dust collecting plate needs to be disinfected and sterilized, the dust collecting plate is connected into the circuit to serve as a second electrode, the medium plate is inserted into the discharge space and is communicated with the power supply, so that the first electrode and the dust collecting plate discharge and generate plasma, and the plasma acts on bacteria covering the dust collecting plate to break cell membranes of the bacteria, so that the dust collecting plate is disinfected and sterilized. Consequently, disinfection and sterilization device in this application can disinfect filter screen and dust collecting plate, and then has solved air purifier's filter screen and dust collecting plate on collect the bacterium virus and influence air purifier purification efficiency's problem.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention. In the drawings:

fig. 1 is a schematic perspective view of a first embodiment of a disinfection device according to the present invention;

FIG. 2 is a schematic perspective view of the disinfection and sterilization apparatus of FIG. 1 in a first use state; and

fig. 3 is a schematic perspective view of a second embodiment of the disinfection and sterilization device according to the present invention in a second use state.

Wherein the figures include the following reference numerals:

10. filtering with a screen; 20. a dust collecting plate; 30. a housing; 31. a housing body; 32. a handle; 40. a power source; 50. a first electrode; 51. a connecting plate; 52. a sub-electrode; 53. an electrode plate; 60. a second electrode; 70. a discharge space; 80. a dielectric plate; 90. a metal clip; 100. a switch; 110. and (4) conducting wires.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve the problem that the air purifier purification efficiency is influenced by the bacteria and viruses collected on the filter screen and the dust collecting plate of the air purifier in the prior art, the application provides a disinfection and sterilization device.

Example one

As shown in fig. 1 and 2, the sterilization device is used to sterilize and disinfect a purification assembly of an air purifier, the purification assembly including a filter net 10 and a dust collection plate 20. The sterilization apparatus includes a housing 30, a power source 40, a first electrode 50, a second electrode 60, a discharge space 70, and a dielectric plate 80. The housing 30 has a mounting opening. A power source 40 is disposed within the housing 30. A first electrode 50 is provided at the mounting opening, the first electrode 50 being electrically connected to the positive pole of the power source 40. The second electrode 60 is electrically connected to the negative electrode of the power source 40, and a discharge space 70 is formed between the second electrode 60 and the first electrode 50. Wherein the sterilization device has a first use state for sterilizing the filter screen 10 and a second use state for sterilizing the dust collecting plate 20, and the discharge space 70 is used for inserting the filter screen 10 when the sterilization device is in the first use state; when the sterilization device is in the second use state, the second electrode 60 is the dust collecting plate 20, and the medium plate 80 is inserted into the discharge space 70.

Use the technical scheme of this implementation, disinfection and sterilization device can be used to carry out disinfection and sterilization to air purifier's filter screen 10 and dust collecting plate 20, and when disinfection and sterilization device was in first user state, filter screen 10 inserted to discharge space 70 in, when disinfection and sterilization device was in the second user state, second electrode 60 was the dust collecting plate, and dielectric plate 80 inserts to discharge space 70 in. Thus, when it is required to sterilize the filter net 10, the filter net 10 is inserted into the discharge space 70, and the power source 40 is connected to discharge the first electrode 50 and the second electrode 60 to generate plasma, and the plasma acts on bacteria coated on the surface of the filter net 10 to break cell membranes of the bacteria, thereby sterilizing the filter net 10. When the dust collecting plate 20 needs to be sterilized, the dust collecting plate 20 is connected to the circuit as the second electrode 60, the medium plate 80 is inserted into the discharge space 70, the power supply 40 is connected to discharge the first electrode 50 and the dust collecting plate 20 to generate plasma, and the plasma acts on the bacteria covered on the dust collecting plate 20 to break the cell membranes of the bacteria, thereby sterilizing and disinfecting the dust collecting plate 20. Therefore, the disinfection and sterilization device in the embodiment can disinfect and sterilize the filter screen 10 and the dust collecting plate 20, and further solves the problem that the filter screen and the dust collecting plate of the air purifier collect bacteria and viruses to influence the purification efficiency of the air purifier.

In this embodiment, when the first electrode 50 and the second electrode 60 are discharged, the voltage in the discharge space 70 is transited to increase the potential difference between the inside and the outside of the cell membrane of the bacteria, so that the permeability of the cell membrane is increased sharply and more pores are formed, the cell membrane is irreversibly damaged and ruptured and finally dies, and the filter screen 10 and the dust collecting plate 20 can be sterilized and disinfected.

In the present embodiment, the second electrode 60 is disposed to be grounded.

As shown in fig. 1, the dielectric sheet 80 is made of an electret. In this way, the dielectric plate 80 serves as a dielectric in the dielectric barrier discharge process to ensure that the dielectric barrier discharge phenomenon can occur in the disinfection apparatus. Meanwhile, the dielectric plate 80 can store electric charges to generate a persistent and stable electrostatic field on the surface thereof, so as to adsorb fine dust, bacteria and viruses on the dust collecting plate 20, thereby further improving the sterilization efficiency of the sterilization device.

Optionally, the material of the electret is PTFE (polytetrafluoroethylene), or paraffin, or hydrocarbon, or solid acid, or PET (polyethylene terephthalate).

As shown in fig. 1 and 2, the first electrode 50 includes a connection plate 51 and a plurality of sub-electrodes 52 disposed on the connection plate 51, each sub-electrode 52 is electrically connected to the positive electrode through the connection plate 51, and each sub-electrode 52 is disposed toward the discharge space 70. Wherein, a plurality of sub-electrodes 52 are arranged along the length direction and/or width direction of the connection plate 51 at intervals. Thus, the arrangement ensures that each sub-electrode 52 can discharge to make the plasma size in the discharge space 70 smaller so as to kill bacteria and viruses in the meshes of the filter screen 10, thereby improving the killing efficiency of the disinfection and sterilization device. Meanwhile, the arrangement mode of the sub-electrodes 52 is more flexible, so that different use requirements and working conditions can be met.

In the present embodiment, the sub-electrodes 52 are spaced apart along the length direction and the width direction of the connection plate 51, so that the structure of the sub-electrodes 52 is simpler, and the sub-electrodes are easy to process and implement, thereby reducing the processing cost of the sub-electrodes 52.

Optionally, each sub-electrode 52 is in the shape of a column, a needle, or a mesh to extend into the pores of the filter screen 10. In this way, the sub-electrodes 52 with different shapes can be adapted to filter screens with different sizes, specifications and mesh numbers, so that the plasma density can reach the optimal value, and then the filter screens with different physical parameters can be sterilized, and the sterilizing effect of the sterilizing device can be optimal. The columnar sub-electrodes 52 are used for killing flat filter screens, and the mesh sub-electrodes 52 are used for killing filter screens needing high discharge intensity.

In this embodiment, each sub-electrode 52 is needle-shaped, and if the surface of the filter screen 10 has folds and meshes, the needle-shaped sub-electrodes 52 can be inserted into the folds and the meshes for sterilization, thereby improving the sterilization effect of the sterilization device on the filter screen.

As shown in fig. 1 and 2, the sterilization device further includes a grounding metal clip 90. The grounding metal clip 90 is used to clip the second electrode 60, and the second electrode 60 is electrically connected to the negative electrode through the grounding metal clip 90. Thus, the above-mentioned arrangement of the grounding metal clip 90 grounds the second electrode 60 to form the discharge space 70 between the first electrode 50 and the second electrode 60, thereby inactivating bacteria coated on the filter net 10 and the dust collecting plate 20.

As shown in fig. 1 and 2, the cabinet 30 includes a cabinet body 31 and a handle 32. The mounting port is provided on the housing body 31. The handle 32 is provided on the cabinet body 31. Like this, handle 32 is installed on casing body 31, and user's accessible handle 32 operates disinfection and sterilization device to make disinfection and sterilization device have handheld characteristic, with the operation that makes the user to disinfection and sterilization device simpler, convenient.

In the present embodiment, the handle 32 is one. It should be noted that the number of the handles 32 is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, there are two, or three, or more handles 32.

Optionally, the handle 32 is made of an insulating material, or the handle 32 is covered with an insulating layer. Thus, the handle 32 has the characteristic of insulation, and even if the electric leakage phenomenon occurs on the disinfection and sterilization device, the electric shock accident of the user can be avoided, so that the safety of the user is ensured.

In this embodiment, the handle 32 is covered with an insulating layer.

Optionally, the insulating coating layer is a PVC layer, or a polyethylene layer, or a paint layer.

Alternatively, the insulating material may be resin, rubber, ceramic, or wood.

Optionally, the disinfection and sterilization device further comprises a driving device. The driving device is used for being in driving connection with the filter screen 10 so as to drive the filter screen 10 to reciprocate along a first preset direction and/or a second preset direction. The first preset direction is consistent with the length direction of the filter screen 10, and the second preset direction is consistent with the width direction of the filter screen 10. In this way, the driving device can drive the filter screen 10 to move, and then the killing position of the filter screen 10 is adjusted, so as to ensure that the whole filter screen 10 can be killed.

Specifically, when the position of the filter screen 10 needs to be adjusted, the clamping structure is used to clamp the filter screen, and the driving device drives the clamping structure to drive the filter screen 10 to move, so as to realize the reciprocating motion of the filter screen 10 along the first preset direction and/or the second preset direction.

Optionally, the drive means is a drive cylinder, so that the drive means is more reliable and less costly.

It should be noted that the type of the driving device is not limited to this, and can be adjusted according to the working condition and the use requirement. Optionally, the driving device is a linear motor or a screw nut structure.

Optionally, the disinfection device further comprises a cover body. The cover body has a first receiving portion in which the cabinet 30 is disposed, a second receiving portion in which the second electrode 60 is disposed, and a third receiving portion for receiving the filter screen 10 or the dielectric plate 80. Wherein the housing further has a lead receiving portion for receiving a lead 110 connecting the second electrode 60 and the negative electrode. Thus, the cover body covers the casing 30, the second electrode 60, the filter screen 10 or the medium plate 80 to protect the above structure, so as to prolong the service life of the disinfection and sterilization device and make the appearance of the disinfection and sterilization device cleaner and more beautiful.

As shown in fig. 1 and 2, the sterilization apparatus further includes a switch 100. The switch 100 is electrically connected to the power source 40 for controlling the on/off state of the power source 40. Like this, the user accessible switch 100 control power's on-off state not only to make the user simpler to the control of power, promoted user's use and experienced, also can avoid user direct contact power and take place the electric shock accident, promoted disinfection and sterilization device's safety in utilization.

Example two

The difference between the disinfection and sterilization device in the second embodiment and the first embodiment is that: the first electrode 50 is different in structure.

As shown in fig. 3, the first electrode 50 includes a connection plate 51 and an electrode plate 53 disposed on the connection plate 51, and the electrode plate 53 is electrically connected to the positive electrode through the connection plate 51. Thus, the arrangement ensures that the electrode plate 53 can discharge, so that the plasma distribution in the discharge space 70 is more uniform and consistent, and bacteria and viruses in meshes of the filter screen 10 can be killed, thereby improving the killing efficiency of the disinfection and sterilization device. Meanwhile, the electrode plate 53 is relatively flat, so that discharge leakage points are avoided, and the purification effect of the disinfection and sterilization device is improved.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the disinfection and sterilization device can be used for disinfecting and sterilizing the filter screen and the dust collecting plate of the air purifier, when the disinfection and sterilization device is in a first use state, the filter screen is inserted into the discharge space, when the disinfection and sterilization device is in a second use state, the second electrode is the dust collecting plate, and the dielectric plate is inserted into the discharge space. Therefore, when the filter screen needs to be disinfected and sterilized, the filter screen is inserted into the discharge space and is communicated with the power supply so that the first electrode and the second electrode discharge and generate plasma, and the plasma acts on bacteria covered on the surface of the filter screen so as to break cell membranes of the bacteria and further disinfect and sterilize the filter screen. When the dust collecting plate needs to be disinfected and sterilized, the dust collecting plate is connected into the circuit to serve as a second electrode, the medium plate is inserted into the discharge space and is communicated with the power supply, so that the first electrode and the dust collecting plate discharge and generate plasma, and the plasma acts on bacteria covering the dust collecting plate to break cell membranes of the bacteria, so that the dust collecting plate is disinfected and sterilized. Consequently, disinfection and sterilization device in this application can disinfect filter screen and dust collecting plate, and then has solved air purifier's filter screen and dust collecting plate on collect the bacterium virus and influence air purifier purification efficiency's problem.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described 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. A disinfection and sterilization device is used for disinfecting and sterilizing a purification component of an air purifier, and the purification component comprises a filter screen (10) and a dust collection plate (20); it is characterized in that the disinfection and sterilization device comprises:

a housing (30) having a mounting opening;

a power source (40) disposed within the housing (30);

a first electrode (50) disposed at the mounting opening, the first electrode (50) being electrically connected to a positive pole of the power source (40);

a second electrode (60) electrically connected to a negative electrode of the power source (40), the second electrode (60) and the first electrode (50) forming a discharge space (70) therebetween;

a dielectric sheet (80);

wherein the sterilization device has a first use state for sterilizing the filter screen (10) and a second use state for sterilizing the dust collecting plate (20), and the discharge space (70) is used for inserting the filter screen (10) when the sterilization device is in the first use state; when the disinfection and sterilization device is in the second use state, the second electrode (60) is the dust collecting plate (20), and the medium plate (80) is inserted into the discharge space (70).

2. A disinfection apparatus as claimed in claim 1, characterised in that said medium plate (80) is made of electrets.

3. A disinfection apparatus as claimed in claim 1, wherein said first electrode (50) comprises a connection plate (51) and a plurality of sub-electrodes (52) arranged on said connection plate (51), each of said sub-electrodes (52) being electrically connected to said positive electrode via said connection plate (51), each of said sub-electrodes (52) being arranged towards said discharge space (70); wherein the plurality of sub-electrodes (52) are arranged at intervals along the length direction and/or the width direction of the connecting plate (51).

4. A disinfection apparatus as claimed in claim 3, characterised in that each of said sub-electrodes (52) is cylindrical or needle-shaped so as to project into the meshes of said sieve (10).

5. A sterilizer as claimed in claim 1, further comprising:

a grounded metal clip (90), the grounded metal clip (90) for clipping the second electrode (60), the second electrode (60) being electrically connected to the negative electrode through the grounded metal clip (90).

6. A disinfection and sterilization apparatus as claimed in claim 1, characterized in that said casing (30) comprises:

a cabinet body (31), the mounting port being provided on the cabinet body (31);

and a handle (32) provided on the housing body (31).

7. A disinfection and sterilization device as claimed in claim 6, characterized in that said handle (32) is made of an insulating material; or the handle (32) is coated with an insulating layer.

8. A disinfection apparatus as claimed in claim 1, characterised in that said first electrode (50) comprises a connection plate (51) and an electrode plate (53) arranged on said connection plate (51), said electrode plate (53) being electrically connected to said positive electrode via said connection plate (51).

9. A sterilizer as claimed in claim 1, further comprising:

the driving device is in driving connection with the filter screen (10) to drive the filter screen (10) to reciprocate along a first preset direction and/or a second preset direction; wherein, first preset direction with the length direction of filter screen (10) is unanimous, the second preset direction with the width direction of filter screen (10) is unanimous.

10. A sterilizer as claimed in claim 1, further comprising:

a cover body having a first accommodating portion, a second accommodating portion, and a third accommodating portion, wherein the casing (30) is disposed in the first accommodating portion, the second electrode (60) is disposed in the second accommodating portion, and the third accommodating portion is used for accommodating the filter screen (10) or the dielectric plate (80);

wherein the cover further has a lead receiving portion for receiving a lead (110) connecting the second electrode (60) and the negative electrode.

11. A sterilizer as claimed in claim 1, further comprising:

a switch (100), the switch (100) being electrically connected with the power source (40) for controlling the on-off state of the power source (40).