CN111765543A

CN111765543A - Sterilizing device and air purifier

Info

Publication number: CN111765543A
Application number: CN202010771177.7A
Authority: CN
Inventors: 马曾文; 张霞; 梁桂源; 李胤媛
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2020-10-13

Abstract

The invention provides a sterilization device and an air purifier, comprising: a filter screen main body; the heating modules surround the periphery of the filter screen main body and are suitable for uniformly heating the filter screen main body; the temperature sensing device is arranged on the filter screen main body and is opposite to the heating module; and the controller is in communication connection with the temperature sensing device and the heating module. Through surrounding around the filter screen main part and setting up heating module, can realize the multidirectional even heating of filter screen main part, improve the temperature in the filter screen main part, it is lower to avoid appearing filter screen local temperature, can't satisfy the condition emergence to the function of the inactivation of absorption germ, the setting of controller and temperature sensing device outside this, the temperature of each position in the filter screen main part of can real-time measurement, and through the power with the controller control heating module of heating module communication connection, the setting can be to filter screen main part temperature real-time regulation like this, the inhomogeneous problem of filter screen temperature has been overcome.

Description

Sterilizing device and air purifier

Technical Field

The invention relates to the technical field of household appliances, in particular to a sterilization device and an air purifier.

Background

The air purifier is a common household appliance in the market and is popular with consumers, in the prior art, the air purifier not only has a filtering function on harmful substances such as particles in the air, but also is internally provided with a heating sterilization module which can purify harmful germs and viruses in the air, and generally the sterilization module comprises a filter screen and a heating device, wherein the filter screen is arranged in an air flow passage and filters the air passing through the filter screen; the heating device is arranged in the air flow passage and heats the filter screen.

However, set up like this, heating device need heat the filter screen to reach certain temperature and kill the germ, among the prior art, the filter screen mainly plays the filtering action, and heat conductivility is relatively poor, and heating device is usually in one side of filter screen for the filter screen is close to heating device side temperature height, probably destroys the filter screen structure, makes the filter screen inefficacy, and the temperature of opposite side is lower, probably unsatisfied the inactivation to adsorbing the germ.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the problem of uneven temperature of the filter screen of the air purifier in the prior art, thereby providing a sterilizing device and an air purifier.

The present invention provides a sterilization apparatus, comprising: a filter screen main body;

the heating modules are arranged around the filter screen main body and are suitable for uniformly heating the filter screen main body;

the temperature sensing device is arranged on the filter screen main body and is opposite to the heating module;

and the controller is in communication connection with the temperature sensing device and the heating module.

The heating modules are arranged around the filter screen main body in a rotational symmetry manner.

Each heating module is arranged at equal intervals with the filter screen main body.

The two heating modules are respectively adjacent to the windward side and the leeward side of the filter screen main body and are arranged at intervals along the gas flowing direction.

The temperature sensing device comprises a first temperature sensing piece and a second temperature sensing piece, the first temperature sensing pieces are uniformly arranged along the windward side, and the second temperature sensing pieces are uniformly arranged along the leeward side.

The present invention also provides an air cleaner comprising: a housing having an accommodating chamber therein;

the sterilization device is arranged in the accommodating cavity;

the fan is arranged in the accommodating cavity and is suitable for driving the gas in the accommodating cavity to flow in a one-way mode;

follow hold intracavity gas flow direction, the upstream position of filter screen main part is provided with the purification module, the purification module is suitable for the purification to flow in hold the particulate matter in the intracavity gas.

The peripheral edge of filter screen main part along gas flow direction with the inner wall butt and the sealed setting of holding the chamber.

The heating module is arranged in a plane sheet shape.

The heating module and the filter screen main body are respectively movably connected with the shell and are provided with working positions arranged in the accommodating cavity and maintenance positions separated from the accommodating cavity.

The heating module includes: the bearing part comprises a plurality of accommodating grooves, two slide ways are oppositely arranged at the edge of the bearing part, and a thrust plate is arranged at one end along the extension direction of the slide ways;

and the plurality of heating bodies are respectively arranged in the accommodating groove.

The technical scheme of the invention has the following advantages:

1. the present invention provides a sterilization apparatus, comprising: a filter screen main body; the heating modules are arranged around the filter screen main body and are suitable for uniformly heating the filter screen main body; the temperature sensing device is arranged on the filter screen main body and is opposite to the heating module; and the controller is in communication connection with the temperature sensing device and the heating module.

Through surrounding around the filter screen main part and setting up heating module, can realize the multidirectional even heating of filter screen main part, improve the temperature in the filter screen main part, it is lower to avoid appearing filter screen local temperature, the condition that can't satisfy the inactivation to the absorption germ takes place, this outer controller and temperature sensing device's setting, the temperature of each position in the filter screen main part of can real-time measurement, and through the power of the controller control heating module of being connected with the heating module communication, the setting can satisfy the real-time regulation to filter screen main part temperature like this, avoid appearing the inhomogeneous or excessive condition of heating of temperature and take place, the inhomogeneous problem of filter screen temperature in the air purifier of prior art has been overcome, thereby realize effectively killing bacterium or virus under the intact condition of assurance filter screen structure.

2. According to the air purifier provided by the invention, the purification module is arranged at the upstream position of the filter screen main body along the flowing direction of the gas in the accommodating cavity, and the purification module is suitable for purifying particulate matters in the gas flowing into the accommodating cavity.

Purification module's setting can be earlier one step filtered in advance the large granule impurity that gets into and hold the intracavity, avoids dust or impurity to adhere to on heating module, influences the heating efficiency of heating module, also avoids large granule impurity to be heated by heating module simultaneously, and then peculiar smell such as burnt paste appears, has improved user's satisfaction.

3. The invention provides an air purifier, wherein the circumferential edge of a filter screen main body along the gas flowing direction is abutted and sealed with the inner wall of an accommodating cavity.

Set up like this, prevented that gaseous edge from the filter screen main part from passing through for the gaseous filter screen main part that passes through completely of holding the intracavity has improved the efficiency of killing of filter screen main part to gaseous germ that carries, simultaneously, has improved the stability that the filter screen main part set up holding the intracavity.

4. The invention provides an air purifier, a heating module comprises: the bearing part comprises a plurality of accommodating grooves, two slide ways are oppositely arranged at the edge of the bearing part, and a thrust plate is arranged at one end along the extension direction of the slide ways; and the plurality of heating bodies are respectively arranged in the accommodating groove.

The setting of slide in the heating module can hold the cooperation of intracavity inner structure, realize the transform between operating position and maintenance position of heating module, combine the setting of storage tank, realized the high-efficient maintenance to heating module and its inside heat-generating body, change and assembly, improved air purifier's life, thrust plate's setting avoids the heating module to fall into completely and holds the chamber, inconvenient user takes out, still realized effectively sealing holding the chamber, avoid holding the gaseous outflow of intracavity portion.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of an internal structure of a containing chamber provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heating module of an air cleaner provided in an embodiment of the present invention.

Description of reference numerals:

1-a filter screen body; 2-heating the module; 21-a receiving part; 221-a receiving groove; 222-a slide; 223-a thrust plate; 22-a heating element; 3-a first temperature sensing element; 4-a second temperature sensing element; 5-a shell; 51-a containment chamber; 6, a fan; 7-purification module.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 2, the present invention provides a sterilization apparatus, including: the filter screen heating device comprises a filter screen main body 1, a heating module 2, a temperature sensing device and a controller.

The specific shape of the filter screen main body 1 is not limited, and the filter screen main body 1 is in a plane net shape in the embodiment, and comprises a windward side facing the airflow and a leeward side facing away from the airflow along the direction that the air passes through the filter screen main body 1, and the plane net shape improves the contact area with the airflow and increases the sterilization efficiency;

a plurality of heating module 2 can set up two or more, encircles the setting around filter screen main part 1, realizes the even heating to filter screen main part 1, and in this embodiment, heating module 2 is provided with two, follows the gas flow direction, establishes respectively at the upstream end and the low reaches end of filter screen main part 1, and the windward side and the leeward side with filter screen main part 1 are adjacent and the interval sets up, can evenly heat the windward side and the leeward side of filter screen main part 1. As an alternative embodiment, the plurality of heating modules 2 may be arranged in a spherical or cubic shape with the filter main body as the center and the connecting lines between adjacent heating modules.

The temperature sensing devices are arranged on the filter screen main body 1, the temperature sensing devices are arranged opposite to the heating modules, the temperature of the heating positions of the heating modules 2 on the filter screen main body 1 can be measured, and the controller is in communication connection with the temperature sensing devices and the heating modules 2 respectively, can receive electric signals from the temperature sensing devices and controls the power of the heating modules 2.

Through surrounding around filter screen main part 1 and setting up heating module 2, can realize 1 multidirectional even heating to filter screen main part, improve the temperature in the filter screen main part 1, it is lower to avoid appearing the local temperature of filter screen, the condition that can't satisfy the inactivation to the absorption germ takes place, the setting of controller and temperature sensing device outside this, the temperature of each position on can real-time measurement filter screen main part 1, and through the power of the controller control heating module 2 of being connected with heating module 2 communication, the setting can satisfy the real-time regulation to filter screen main part 1 temperature like this, avoid appearing the inhomogeneous or excessive condition of heating and taking place, the inhomogeneous problem of filter screen temperature in the air purifier of prior art has been overcome, thereby realize effectively killing bacterium or virus under the intact circumstances of assurance filter screen structure.

In this embodiment, a plurality of heating module 2 are rotational symmetry and set up around filter screen main part 1, and the rotation axis is the symmetry axis of filter screen main part, and heating module promptly can coincide with initial position after the rotatory fixed angle along the rotation axis, and in this embodiment, the rotation axis is the horizontal axis of filter screen main part 1, and two heating module 2 symmetry respectively set up the top side and the bottom side at filter screen main part 1, and the rotation angle is 180 degrees.

As an alternative embodiment, the plurality of heating modules 2 may also be uniformly disposed on the periphery of the filter screen body in a ring shape on the plane where the filter screen body is located, the rotating shaft is a vertical central axis of the filter screen body 1, is perpendicular to the plane where the filter screen body is located, and is parallel to the gas flow direction, and in addition, additional heating modules passing through the vertical central axis may be respectively added along the upstream end and the downstream end of the filter screen body.

As another alternative embodiment, three or more heating modules 2 are uniformly arranged on the periphery of the horizontal central line of the filter screen body in a ring shape by using the horizontal central axis of the filter screen body 1 as a rotating shaft, and in addition, additional heating modules passing through the horizontal central axis can be added on two sides of the filter screen body.

In the above embodiment, the heating modules are provided at equal intervals from the screen body.

As an alternative embodiment, the heating module 2 may be arranged at a non-equidistant distance from the screen body 1, such as: set up single heating module 2 to the interval in the windward side of filter screen main part 1 just to the direction, establish to first module, set up a plurality of heating modules in the leeward side slant of filter screen main part, establish to the second module, the second module sets up with filter screen main part 1 equidistant, the heat that first module was applyed to the windward side is equal with the heat that a plurality of second modules were applyed to the leeward side, set up like this and can evenly heat filter screen main part 1, first module can be less than the interval of each second module apart from filter screen main part 1 this moment. In addition, the distance can be adjusted adaptively according to the air flowing direction, so that the influence of heat loss difference caused by air flow is avoided, and the filter screen main body is uniformly heated.

In this embodiment, the temperature sensing device is a temperature sensor, and includes a first temperature sensing element 3 and a second temperature sensing element 4, which are respectively disposed on the windward side and the leeward side of the filter main body 1. The plurality of first temperature sensing pieces 3 are uniformly arranged along the windward side; the plurality of second temperature sensing pieces 4 are uniformly arranged along the leeward side. This arrangement facilitates accurate measurement of the temperature at each location on the screen body 1. as an alternative embodiment, only one first temperature sensing element 3 may be provided on the windward side and one second temperature sensing element 4 may be provided on the leeward side.

This embodiment still provides an air purifier, includes: the housing 5, the above-described sterilization device, the fan 6, and the purification module 7 may be omitted as an alternative embodiment.

The inside barrel-shaped chamber 51 that holds that is provided with of casing 5 holds that chamber 51 is inside to be provided with sterilizing equipment and fan 6 and purification module 7, and fan 6 can drive the gaseous one-way flow that holds in the chamber 51, in this embodiment, holds and is provided with air intake, purification module 7, first heating module, first temperature sensing spare 3, filter screen main part 1, second temperature sensing spare 4, second heating module, fan 6 and air outlet respectively in chamber 51 on the gas flow direction.

The purification module 7 is arranged at the upstream position of the filter screen main body 1 along the flowing direction of the gas in the containing cavity 51, and the purification module 7 is suitable for purifying the particles in the gas flowing into the containing cavity 51. Purification module 7's setting can be earlier one step filtered in advance the entering large granule impurity that holds in chamber 51, avoids dust or impurity to adhere to on heating module 2, influences the heating efficiency of heating module 2, also avoids large granule impurity to be heated by heating module 2 simultaneously, and then peculiar smell such as burnt paste appears, has improved user's satisfaction. In this embodiment, the purification module 7 is a screen with a filtering hole larger than the filter body 1.

The peripheral edge of the filter screen body 1 in the gas flow direction abuts against the inner wall of the accommodating chamber 51 and is arranged in a sealing manner. Set up like this, prevented that gaseous edge from filter screen main part 1 from passing through for the gaseous filter screen main part 1 that passes through completely in holding chamber 51 has improved filter screen main part 1 and has carried the efficiency of killing of germ to gas, simultaneously, has improved filter screen main part 1 and has held the stability that the intracavity 51 set up.

In the present embodiment, the heating module 2 is provided in a planar sheet shape. As an alternative embodiment, the heating module 2 may be provided in the form of a plurality of parallel rods and fixed in the receiving chamber 51.

In the present embodiment, the heating module 2 and the strainer body 1 are movably connected to the housing 5, respectively, and have an operating position disposed in the accommodating chamber 51 and a maintenance position separated from the accommodating chamber 51.

The heating module 2 comprises a bearing part 21 and a heating body 22, the bearing part 21 comprises a plurality of accommodating grooves 221, two slide ways 222 are oppositely arranged at the edge, and a thrust plate 223 is arranged at one end along the extension direction of the slide ways 222; a plurality of heating elements 22 respectively disposed in the receiving groove 221. An opening is arranged on the outer wall of the shell 5, the inner side of the opening is provided with an accommodating cavity 51, the opening is matched with the heating module 2, and a receiving groove matched with the slide way 222 is arranged in the opening.

The setting of slide 222 in the heating module 2, can hold the cooperation of chamber 51 inner structure, realize the transform between operating position and maintenance position of heating module 2, combine the setting of storage tank 221, realized the high-efficient maintenance to heating module 2 and its inside heat-generating body 22, change and assembly, the life of air purifier has been improved, thrust plate 223's setting, avoid falling into completely and hold chamber 51 with heating module 2, inconvenient user takes out, still realized effectively sealing to holding chamber 51, avoid holding the inside gaseous outflow of chamber 51.

The working process of the air purifier is as follows:

fan 6 starts, gas begins to flow in holding chamber 51, controller control heating module 2 and temperature sensing device open, heating module 2 opens to first heating power, heat to the air of inflow, gas is before being heated, can pass through purification module 7 earlier, get rid of large granule impurity, treat heating module 2 work T1 time back, first temperature sensing piece 3 detects current temperature value and is T1, second temperature sensing piece 4 detects current temperature value and is T2, and compare with standard value T, when the T1 that detects less, the air inlet corresponds the heating device power and increases, when the T2 that detects less, the leeward corresponds the heating device power and increases, thereby guarantee that the temperature about the filter screen is even.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A sterilization apparatus, comprising:

a strainer body (1);

the heating modules (2) are arranged around the filter screen main body (1) in a surrounding mode and are suitable for uniformly heating the filter screen main body (1);

the temperature sensing device is arranged on the filter screen main body (1) and is opposite to the heating module (2);

and the controller is in communication connection with the temperature sensing device and the heating module (2).

2. Sterilisation apparatus according to claim 1, characterised in that said heating module (2) is arranged rotationally symmetrically around said sieve body (1).

3. A sterilisation apparatus according to claim 2, characterised in that each of said heating modules (2) is arranged equidistant from said sieve body (1).

4. A sterilisation apparatus according to claim 3, characterised in that two of said heating modules (2) are arranged adjacent and spaced apart from the windward and leeward sides of said screen body (1) respectively, in the direction of gas flow.

5. A sterilization apparatus according to claim 4, wherein said temperature sensing means comprises a first temperature sensing member (3) and a second temperature sensing member (4), a plurality of said first temperature sensing members (3) being disposed uniformly along said windward side, and a plurality of said second temperature sensing members (4) being disposed uniformly along said leeward side.

6. An air purifier, comprising:

a housing (5) having an accommodating chamber (51) therein;

the sterilisation apparatus according to any of the claims from 1 to 5, arranged in said housing chamber (51);

and the fan (6) is arranged in the accommodating cavity (51) and is suitable for driving the gas in the accommodating cavity (51) to flow in a one-way mode.

7. The air cleaner according to claim 6, wherein a purification module (7) is provided at an upstream position of the strainer body (1) in a flow direction of the gas in the accommodating chamber (51), the purification module (7) being adapted to purify the particulate matter in the gas flowing into the accommodating chamber (51).

8. The air cleaner according to claim 7, wherein a circumferential edge of the screen body (1) in the gas flow direction abuts against an inner wall of the housing chamber (51) and is sealingly disposed.

9. Air purifier according to claim 8, characterized in that the heating module (2) is provided in a planar sheet-like arrangement.

10. Air cleaner according to claim 9, characterized in that said heating module (2) and said filtering main body (1) are respectively articulated to said housing (5) and have a working position, set inside said housing chamber (51), and a maintenance position, disengaged from said housing chamber (51).

11. The air cleaner according to claim 10, wherein the heating module (2) comprises:

the bearing part (21) comprises a plurality of accommodating grooves (221), two slide ways (222) are oppositely arranged at the edge, and a thrust plate (223) is arranged at one end along the extending direction of the slide ways (222);

and the heating bodies (22) are respectively arranged in the accommodating groove (221).