CN214715009U - Filter screen odour removal device - Google Patents
Filter screen odour removal device Download PDFInfo
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- CN214715009U CN214715009U CN202121314856.8U CN202121314856U CN214715009U CN 214715009 U CN214715009 U CN 214715009U CN 202121314856 U CN202121314856 U CN 202121314856U CN 214715009 U CN214715009 U CN 214715009U
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Abstract
The utility model relates to a remove peculiar smell technical field, concretely relates to filter screen odour removal device. The filter screen odour removal device includes: a hot air unit adapted to heat air and guide the air to flow along a preset path; the hot air cavity surrounding structure is suitable for surrounding the filter screen and forming a hot air cavity, or at least partially covering the filter screen and forming the hot air cavity by surrounding the hot air cavity and the air passing surface of the filter screen together; and an air inlet is formed on the hot air cavity surrounding structure and is communicated with the air outlet end of the hot air unit. The utility model provides a filter screen odour removal device makes the air after the heating pass the cross wind face of filter screen to finally discharge in the outside air, carry out heat treatment to the air purifier filter screen that has the peculiar smell, peculiar smell material release with higher speed prolongs the live time of filter screen, has avoided the filter screen in life cycle condemned condition in advance, helps the make full use of filter screen, reduces because the filter screen that the peculiar smell reason caused is extravagant.
Description
Technical Field
The utility model relates to a remove peculiar smell technical field, concretely relates to filter screen odour removal device.
Background
Along with the environmental problem is serious day by day, air purifier has become the indispensable domestic appliance of many families, and it can purify pollutants such as PM2.5 particulate matter, formaldehyde, pollen, bacterial virus in the air, can show the air quality who promotes home environment. However, after the air purifier is used for a period of time, obvious peculiar smell can be occasionally generated, the filter screen of the air purifier generally uses non-woven fabrics as filtering materials, the materials have an interception effect on particulate matters with the particle size larger than 20nm (nanometer), microorganisms and particulate matters carrying various substances can be intercepted simultaneously, the filter screen can release low-concentration peculiar smell substances under the long-time slow biological action and chemical action, and in addition, the peculiar smell cannot be reduced even if the air purifier ventilates for a long time. Experiments show that the removal of the odor substances can be accelerated by adopting a heating or hot air passing mode. However, the filter screen of the air purifier is large in size, has many dead corners and is not high-temperature resistant, the peculiar smell can be removed only by long-time heating treatment, common household baking equipment is high in temperature, the filter screen is easy to damage, the space is small, and the filter screen cannot be accommodated; even if the electric heating furnace, the hot air fan and other equipment are heated, hot air which can penetrate through the filter screen cannot be generated, so that the rate of releasing peculiar smell by the filter screen is low.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the difficult defect of dispelling of filter screen peculiar smell among the prior art to a filter screen odour removal device that can accelerate the filter screen peculiar smell to dispel is provided.
In order to solve the technical problem, the utility model provides a pair of filter screen odour removal device, include:
a hot air unit adapted to heat air and guide the air to flow along a preset path;
the hot air cavity surrounding structure is suitable for surrounding the filter screen and forming a hot air cavity, or at least partially covering the filter screen and forming the hot air cavity by surrounding the hot air cavity and the air passing surface of the filter screen together;
and an air inlet is formed on the hot air cavity surrounding structure and is communicated with the air outlet end of the hot air unit.
Optionally, the hot air unit includes:
the heating part comprises a heating cavity shell, and a heating element is arranged in the heating cavity shell;
the air supply part comprises an air supply cavity shell, and an air supply component suitable for guiding air to flow is arranged in the air supply cavity shell;
the heating cavity shell is communicated with the air supply cavity shell.
Optionally, the air supply part is disposed at an upstream position and/or a downstream position of the heat generating part in an air flow direction.
Optionally, when the air supply part is disposed at an upstream position of the heat generating part in an air flowing direction, the hot air unit further includes:
the air guide part is arranged at the downstream position of the heating part along the air flowing direction and comprises an air guide cavity shell, and the air guide cavity shell is suitable for being communicated with the air inlet;
the air supply cavity shell, the heating cavity shell and the air guide cavity shell are sequentially communicated in a sealing mode.
Optionally, when the filter screen is a square filter screen, the surrounding structure of the hot air cavity is constructed into a cubic structure, and the peripheral side wall of the square filter screen is suitable for being attached to four inner wall surfaces of the surrounding structure of the hot air cavity; the front side hot air cavity and the rear side hot air cavity are formed on the two sides of the upstream and downstream in the air passing direction of the square filter screen respectively.
Optionally, the front side hot air cavity and the rear side hot air cavity are both communicated with the outside through the air inlet and the air outlet which are arranged through the hot air cavity surrounding structure.
Optionally, when the filter screen is square filter screen, hot-blast chamber surrounds the structure and constructs for the cube structure, just four lateral walls of square filter screen be suitable for with hot-blast chamber surrounds four internal face laminating settings of structure around a week, follows the upper reaches side of square filter screen cross the wind direction is formed with the hot-blast chamber.
Optionally, when the filter screen is a cylindrical filter screen, the hot air cavity surrounding structure is constructed into a plate-shaped structure; the hot air cavity surrounding structure is attached to the side walls of the two ends of the cylindrical filter screen in the axial direction.
Optionally, the hot air cavity surrounding structure includes two plate-shaped structures, and an air inlet is formed in one of the plate-shaped structures.
The utility model discloses technical scheme has following advantage:
1. the filter screen odor removal device provided by the utility model surrounds the filter screen through the hot air cavity surrounding structure and forms a hot air cavity, or at least partially covers the filter screen and forms a hot air cavity together with the air passing surface of the filter screen; and let in after heating the air through hot air unit hot air intracavity to make the air after the heating pass the cross wind face of filter screen to finally discharge to the outside air, carry out the thermal treatment to the air purifier filter screen that has the peculiar smell, accelerate peculiar smell material release, prolong the live time of filter screen, avoided the filter screen in life cycle condemned condition in advance, help the make full use of filter screen, reduce the filter screen waste because peculiar smell reason causes.
2. The utility model provides a filter screen deodorizing device, hot air unit through set up the portion of generating heat, the portion of supplying air, wind-guiding portion and make each part can dismantle, thus convenient to take in and carry, and can choose the model of the appropriate wind-guiding portion as required, match different use scenes; when the hot air unit is in use, normal temperature air is fed into the heating part under the action of the air supply part, and the air is heated and then conveyed into the hot air cavity through the air guide part, so that hot air deodorization is carried out on the filter screen.
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 embodiments or the technical solutions in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a deodorizing device for a filter screen according to the present invention;
FIG. 2 is a schematic view of a filter screen odor removal device of the present invention in a use state;
FIG. 3 is a schematic view of a second usage state of the odor removing device for filter screen of the present invention;
fig. 4 is a three-schematic view of the usage status of the filter screen odor removing device of the utility model.
Description of reference numerals:
10-hot air unit, 11-air supply part, 12-heating part and 13-air guide part;
20-a hot air cavity surrounding structure, 21-an air inlet and 22-an air outlet; 30-square screen, 31-cylindrical screen.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example one
The filter screen odour removal device that this embodiment provided includes:
a hot air unit 10 adapted to heat air and guide the air to flow along a preset path;
the hot air cavity surrounding structure 20 is suitable for surrounding the filter screen and forming a hot air cavity, or at least partially covering the filter screen and forming the hot air cavity by surrounding the hot air cavity together with the air passing surface of the filter screen;
an air inlet 21 is formed on the hot air cavity surrounding structure 20, and the air inlet 21 is communicated with an air outlet end of the hot air unit 10.
The filter screen is used as a structure for filtering, and generally comprises an air passing surface and a side wall, for example, a square filter screen, wherein the air passing surface of the square filter screen refers to two surfaces perpendicular to the air flowing direction; and the surface which is surrounded on the periphery of the air passing surface and is parallel to the air circulation direction is the side wall of the square filter screen. Taking a cylindrical filter screen as an example, the air passing surface of the cylindrical filter screen refers to the inner surface and the outer surface which surround the circumferential direction; and the two end faces in the axial direction are side walls of the cylindrical filter screen.
The hot air unit 10 is adapted to heat air and guide the air to flow along a preset path, wherein the preset path refers to a guide path of a circulation channel inside the hot air unit 10, which may assume a straight state or a curved state.
Preferably, as an implementation form, the hot air cavity surrounding structure 20 may be a closed hollow structure, and the inside of the hot air cavity surrounding structure forms a hot air cavity, and the filter screen is placed inside the hot air cavity surrounding structure 20, so that the filter screen is located in the hot air cavity.
As another implementation form, the hot air cavity surrounding structure 20 may form a hot air cavity by cooperating with the filter screen and by using the structural form of the filter screen itself, the hot air cavity surrounding structure 20 and the air passing surface of the filter screen together surround and combine. Therefore, after heated air is introduced into the hot air cavity, the heated air passes through the air passing surface of the filter screen and is finally discharged into the outside air, so that the filter screen of the air purifier with peculiar smell is heated, and the release of peculiar smell substances is accelerated.
In the filter screen odor removal device provided by this embodiment, the hot air cavity surrounding structure 20 surrounds the filter screen and forms a hot air cavity, or at least a part of the hot air cavity covers the filter screen and forms a hot air cavity together with the air passing surface of the filter screen; and heat the back with the air through hot air unit 10 and let in hot-blast intracavity to make the air after the heating pass the wind face of crossing of filter screen to finally discharge in the outside air, carry out heat treatment to the air purifier filter screen that has the peculiar smell, the release of peculiar smell material is quickened, prolongs the live time of filter screen, has avoided the filter screen to scrap the condition in advance in life cycle, helps the make full use of filter screen, reduces the filter screen waste because peculiar smell reason causes.
Through the experiment, through adopting the filter screen odour removal device that this embodiment provided, the filter screen is after the heat treatment, and the filter screen function resumes normally basically, promptly, can resume to the state that does not have peculiar smell or slight smell, after reinstalling the filter screen back air purifier, can promote the use experience of air purifier product, simultaneously, also reduced the waste of filter screen effectively, improved the repeatability of filter screen widely.
In addition, most filter screens use activated carbon as a purification material for gaseous pollutants such as formaldehyde, and since the adsorption action of porous materials such as activated carbon on formaldehyde is weak, after the activated carbon is saturated in adsorption, gaseous pollutants such as formaldehyde can be slowly released, so that secondary pollution is caused. Through the filter screen odour removal device that adopts this embodiment to provide, the heating can promote activated carbon material desorption regeneration, makes its adsorption efficiency to polluted gas obtain recovery by a relatively large margin, reduces the production of solid useless.
As shown in fig. 1, specifically, the hot air unit 10 includes:
a heat generating part 12 including a heating chamber housing having a heating element disposed therein;
the air supply part 11 comprises an air supply cavity shell, and an air supply component suitable for guiding air to flow is arranged in the air supply cavity shell;
the heating cavity shell is communicated with the air supply cavity shell.
Preferably, the heating element can be a resistance wire, a PTC heating element, or the like. The heating cavity shell can be in a tubular structure form, the heating element is arranged inside the heating cavity shell, two ends of the heating cavity shell are opened, one end of the heating cavity shell is used for air inlet, and the other end of the heating cavity shell is used for air outlet.
Preferably, in an application scene with a low wind resistance, the air supply component may be a fan; when the application scene with high wind resistance is adopted, the air supply component can be an air pump device, so that air can be continuously and stably input, and the air supply quantity can be accurately controlled. The air supply cavity shell is suitable for wrapping the air supply component, two ends of the air supply cavity shell are opened, air is supplied to one end of the air supply cavity shell, and air is discharged to the other end of the air supply cavity shell.
Specifically, the air blowing part 11 is provided at an upstream position and/or a downstream position of the heat generating part 12 in the air flow direction.
The heating cavity shell is communicated with the air supply cavity shell, and as an implementation form, the air outlet end of the heating cavity shell is communicated with the air inlet end of the air supply cavity shell; as another realization form, the air outlet end of the air supply cavity shell is communicated with the air inlet end of the heating cavity shell.
Specifically, when the air blowing part 11 is disposed at an upstream position of the heat generating part 12 in the air flow direction, the hot air unit 10 further includes:
the air guiding part 13 is arranged at the downstream position of the heating part 12 along the air flowing direction, and the air guiding part 13 comprises an air guiding cavity shell which is suitable for being communicated with the air inlet 21;
the air supply cavity shell, the heating cavity shell and the air guide cavity shell are sequentially communicated in a sealing mode.
The air guiding portion 13 may be a tubular structure with two open ends, one end for air intake and the other end for air outtake. And the air inlet end of the air guide part 13 is communicated with the air outlet end of the heating cavity shell.
In the filter screen odor removing device provided by this embodiment, the hot air unit 10 is provided with the heating part 12, the air supply part 11 and the air guide part 13, and all the parts are detachable, so that the hot air unit is convenient to store and carry, and the model of the air guide part 13 can be selected as required, so as to match different use scenes; when the hot air unit 10 is in use, normal temperature air is sent to the heating part 12 by the air supply function of the air supply part 11, and after being heated, the normal temperature air is conveyed to the hot air cavity by the air guide part 13, so that the filter screen is subjected to hot air deodorization.
As one implementation form, as shown in fig. 2, when the filter screen is a square filter screen 30, the hot air cavity surrounding structure 20 is configured as a cubic structure, a peripheral side wall of the square filter screen 30 is adapted to be attached to four inner wall surfaces of the hot air cavity surrounding structure 20, and a front-side hot air cavity and a rear-side hot air cavity are respectively formed on two upstream and downstream sides in the air passing direction of the square filter screen 30.
In combination with the above, the side wall of the square filter screen is a surface which surrounds the periphery of the air passing surface and is parallel to the air circulation direction. When the filter screen is square filter screen 30, hot-blast chamber surrounding structure 20 constructs for the cube structure, four week lateral walls of square filter screen 30 respectively with the internal face laminating setting of hot-blast chamber surrounding structure 20 is followed square filter screen 30 crosses the upstream and downstream of wind direction and all is formed with the hot-blast chamber to the area of contact of the face of crossing of increase square filter screen and air guarantees that the air passes and only passes the face of crossing of square filter screen and flows, thereby avoids hot-blast waste, guarantees the amount of wind, accelerates to remove flavor efficiency.
Specifically, the front-side and rear-side hot air chambers are each communicated with the outside through the intake port 21 and the exhaust port 22 provided through the hot air chamber enclosing structure 20.
Preferably, the air inlet 21 and the air outlet 22 are respectively arranged on the side wall of the hot air cavity surrounding structure 20 opposite to the air passing surface of the square filter screen, so that hot air is blown vertically to the air passing surface, and the flow velocity loss is reduced.
As another implementation form, when the filter screen is a square filter screen 30, the hot air cavity surrounding structure 20 is configured as a cubic structure, four side walls of the square filter screen 30 are suitable for being attached to four inner wall surfaces of the hot air cavity surrounding structure 20 around a circle, and the hot air cavity is formed on the upstream side in the air passing direction of the square filter screen 30.
The hot air cavity is formed only on the upstream side of the square filter screen 30 in the air passing direction, so that the occupied space of the hot air cavity surrounding structure 20 is reduced, and the air exhaust efficiency is improved.
As another implementation form, as shown in fig. 4, when the filter screen is a cylindrical filter screen 31, the hot air chamber surrounding structure 20 is configured as a plate-shaped structure; the hot air cavity surrounding structure 20 is attached to the side walls of the two ends of the cylindrical filter screen 31 in the axial direction.
When the filter screen is cylinder filter screen 31, cylinder filter screen 31 runs through convenient air inlet along the both sides of axis direction, cylinder filter screen 31's circumference is around a week for filtering material, and the air current flows out via radial direction to play the filtering action.
When the filter screen odor removal device provided by the embodiment is used for removing odor of the cylindrical filter screen 31, the cylindrical filter screen 31 can be placed in the cylindrical box body, so that hot air enters along the axial direction and exits along the radial direction. However, as another simpler implementation form, the structural form of the cylindrical filter screen 31 itself may be used, and the plate-shaped structure is attached to the side walls of the two ends of the cylindrical filter screen 31 in the axial direction by using the hot air chamber surrounding structure 20 of the plate-shaped structure, so as to seal the two sides of the cylindrical filter screen 31 in the axial direction, thereby forming the hot air chamber by using the structural form of the cylindrical filter screen 31 itself, increasing the contact area of the cylindrical filter screen 31 with hot air, and speeding up the removal of the odor.
Specifically, the hot air chamber surrounding structure 20 includes two plate-shaped structures, wherein an air inlet 21 is formed on one plate-shaped structure.
Under the house environment, can make with the help of materials such as carton hot-blast chamber surrounds structure 20, surrounds the air purifier filter screen of different shapes, has set up the enclosure space, forms the hot-blast chamber to carry out heat treatment to the filter screen, promote the temperature of filter screen, and provide the air current, accelerate the release of peculiar smell material in the filter screen.
When the filter screen is square filter screen 30, square filter screen 30 is put into a paper box, the paper box is completely divided into two parts, and air circulation can be carried out between the two parts only through the air passing surface of the filter screen. And the paper box wall corresponding to the air passing surfaces at two sides of the filter screen is perforated, one hole is used as an air inlet of the heating component and the air supply component, and the other hole is used as an air outlet of the paper box and used for discharging peculiar smell substances released by the filter screen. The hot air unit 10 is attached to the air inlet of the carton and sealed with a sticker or adhesive. The hot air unit 10 is started, and hot air is continuously input into the carton, and the filter screen material is heated while penetrating through the filter screen, and the filter screen material is gradually heated up to a target temperature. Under the condition of high temperature, the filter screen material accelerates to release the odor substances, and the hot air which continuously flows through takes away the released odor substances while maintaining the temperature of the filter screen.
Similarly, when the screen is in the shape of a cylindrical screen 31, the cylindrical screen 31 is sealed at both sides in the axial direction using a material such as cardboard, and a hole is opened in the center of the sealing material. Inserting the air guide part 13 of the hot air unit 10 into the sealing material hole and sealing; the hot air unit 10 is turned on to continuously feed hot air into the barrel filter, and the hot air slowly passes through the filter mesh layer to heat the filter mesh material. After the filter screen material is heated, peculiar smell substances are released, and the peculiar smell substances are directly discharged out of the barrel-shaped filter screen.
Preferably, the heating part 12 and the air supply part 11 of the odor removing device with a filter screen provided by the embodiment cooperate with each other, and different gears can be set to meet the requirement of heating air in different temperature and humidity environments.
Preferably, the air supply part 11 and the heating part 12, and the heating part 12 and the air guide part 13 may be connected by a snap connection, a screw connection, or an interference fit, so as to ensure that the joints have good sealing performance, and no obvious air leakage phenomenon occurs when the internal and external pressure difference is about 200 Pa.
Example two
The embodiment provides a control method of a filter screen odor removing device, which comprises the following steps:
acquiring the temperature T1 of the air inlet end and the temperature T2 of the air outlet end of the hot air unit;
when the air outlet end temperature T2 is lower than a preset threshold value, an air supply part is opened;
determining the air supply quantity of an air supply part based on the temperature interval of the air inlet end temperature T1;
and when the air outlet end temperature T2 is higher than a preset threshold value, the heating part stops working.
The air inlet end of the hot air unit is provided with a first temperature sensor and is used for measuring the air inlet end temperature T1 of the hot air unit, and the air outlet end of the hot air unit is provided with a second temperature sensor and is used for measuring the air outlet end temperature T2 of the hot air unit.
And determining the air supply quantity of the air supply part based on the temperature interval of the air inlet end temperature T1, and determining the air supply quantity of the air supply part by presetting a plurality of temperature intervals and determining the input power corresponding to the air supply part when the air inlet end temperature T1 is in the corresponding temperature interval. Through changing the air supply quantity, the blowing efficiency of hot air is further changed, and the temperature of the heating cavity is ensured to be in a proper temperature state at all times.
When air-out end temperature T2 is higher than preset threshold value, stop the work of air feeding unit to when air-out end temperature T2 was too high, stop the work of generating heat, prevent the excess temperature, avoid the filter screen to damage.
The filter screen odour removal device control method that this embodiment provided, through the inlet air end temperature T1 and the air-out end temperature T2 who obtains hot-blast unit, and then control the state of opening and stopping of air supply portion to adjust the air supply volume when opening, thereby make air supply portion and the portion of generating heat collaborative work, satisfy the heating requirement of filter screen, avoid overheated damage filter screen simultaneously, but the different temperature environment of automatic adaptation guarantees that hot-blast unit's export air temperature meets the demands.
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 can be made without departing from the scope of the invention.
Claims (9)
1. A filter screen odor removal device, comprising:
a hot air unit (10) adapted to heat air and guide the air flow along a preset path;
the hot air cavity surrounding structure (20) is suitable for surrounding the filter screen and forming a hot air cavity, or at least partially covering the filter screen and forming the hot air cavity together with the air passing surface of the filter screen in a surrounding manner;
an air inlet (21) is formed in the hot air cavity surrounding structure (20), and the air inlet (21) is communicated with an air outlet end of the hot air unit (10).
2. The sieve odor elimination device of claim 1, wherein the hot air unit (10) comprises:
a heat generating portion (12) including a heating chamber housing having a heating element disposed therein;
the air supply part (11) comprises an air supply cavity shell, and an air supply component suitable for guiding air to flow is arranged in the air supply cavity shell;
the heating cavity shell is communicated with the air supply cavity shell.
3. The filter screen odor removing device according to claim 2, wherein the air blowing portion (11) is provided at an upstream position and/or a downstream position of the heat generating portion (12) in an air flow direction.
4. The filter screen odor removal device according to claim 3, wherein when the air blowing portion (11) is provided at an upstream position of the heat generating portion (12) in the air flow direction, the hot air unit (10) further comprises:
the air guide part (13) is arranged at the downstream position of the heating part (12) along the air flowing direction, the air guide part (13) comprises an air guide cavity shell, and the air guide cavity shell is suitable for being communicated with the air inlet (21);
the air supply cavity shell, the heating cavity shell and the air guide cavity shell are sequentially communicated in a sealing mode.
5. The filter screen odor removing device according to any one of claims 1 to 4, wherein when the filter screen is a square filter screen (30), the hot air chamber surrounding structure (20) is configured into a cubic structure, and the peripheral side wall of the square filter screen (30) is adapted to be fitted with four inner wall surfaces of the hot air chamber surrounding structure (20) which surrounds one circle; a front side hot air chamber and a rear side hot air chamber are formed on both sides of the upstream and downstream in the air passing direction of the square filter screen (30).
6. The sieve odor removing device according to claim 5, wherein each of said front-side and rear-side hot air chambers communicates with the outside through said air inlet (21) and air outlet (22) provided through said hot air chamber enclosing structure (20).
7. The filter screen odor removing device according to any one of claims 1 to 4, wherein, when the filter screen is a square filter screen (30), the hot air chamber surrounding structure (20) is configured into a cubic structure, and four side walls of the square filter screen (30) are adapted to be fitted with four inner wall surfaces of the hot air chamber surrounding structure (20) around a circle, the hot air chamber being formed along an upstream side of the square filter screen (30) in an air passing direction.
8. Filter screen odor elimination device according to any one of claims 1 to 4, wherein, when said filter screen is a cylindrical filter screen (31), said hot air chamber enclosing structure (20) is configured as a plate-like structure; the hot air cavity surrounding structure (20) is attached to the side walls of the two ends of the cylindrical filter screen (31) in the axial direction.
9. The filter screen odor elimination device of claim 8, wherein the hot air chamber enclosure structure (20) comprises two plate structures, one of which has the air inlet opening (21) formed therein.
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| CN202121314856.8U CN214715009U (en) | 2021-06-11 | 2021-06-11 | Filter screen odour removal device |
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| CN202121314856.8U CN214715009U (en) | 2021-06-11 | 2021-06-11 | Filter screen odour removal device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230751A (en) * | 2021-06-11 | 2021-08-10 | 珠海格力电器股份有限公司 | Filter screen odor removal device and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230751A (en) * | 2021-06-11 | 2021-08-10 | 珠海格力电器股份有限公司 | Filter screen odor removal device and control method thereof |
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