CN113654161A - Air-assisted mobile sterilization and purification equipment - Google Patents

Air-assisted mobile sterilization and purification equipment Download PDF

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Publication number
CN113654161A
CN113654161A CN202110818416.4A CN202110818416A CN113654161A CN 113654161 A CN113654161 A CN 113654161A CN 202110818416 A CN202110818416 A CN 202110818416A CN 113654161 A CN113654161 A CN 113654161A
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Prior art keywords
air
filter element
arc plate
sleeve
sterilization
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CN202110818416.4A
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Chinese (zh)
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陈诗荟
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Individual
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Individual
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Priority to CN202110818416.4A priority Critical patent/CN113654161A/en
Publication of CN113654161A publication Critical patent/CN113654161A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90Cleaning of purification apparatus

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses air auxiliary flowing sterilization and purification equipment which structurally comprises an equipment main body, a base, an air circulating device, a filter element, a control panel and an air inlet. Has the advantages that: according to the invention, the main bodies of the cleaning and scraping mechanisms are electrically connected, so that the rotating ring rotates, the arc plate and the scraper plate scrape dirt retained on the surface of the filter element under the rotating action, and the action of the connecting piece is matched, so that the whole body is subjected to the action of resisting extrusion by using the limiting spring while contacting with the filter element, the compact attachment of the surface of the filter element is realized, the dirt is scraped and matched, the active flow of air is realized, the effective sterilization and purification are realized, and after the cleaning and scraping mechanisms rotate to be contacted with the cleaning and scraping mechanisms, the dirt attached to the surfaces of the scraper plate and the arc plate is scraped and falls off by using the deslagging piece while contacting with the scraper plate and the arc plate, and the recycling of the scraper plate and the arc plate is realized.

Description

Air-assisted mobile sterilization and purification equipment
Technical Field
The invention relates to the field of air purification equipment, in particular to air auxiliary flowing sterilization and purification equipment.
Background
When using degerming clarification plant to handle the air, because be mingled with many fibre foreign matters in the air, it then can form the surface of massive attached to the filter core in long-term use for equipment is when using, and it can't carry out effectual processing to the air, influences the flow of air, and when equipment stop operation, easily dissociates out the air intake, leads to the same unable effectual air flow that realizes of air intake.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide air auxiliary flowing sterilization and purification equipment, which aims to solve the problem that when sterilization and purification equipment in the prior art is used for treating air, a large number of fiber foreign matters are mixed in the air, and the fiber foreign matters are attached to the surface of a filter element in a long-term use process, so that the air cannot be effectively treated when the equipment is used, the flowing of the air is influenced, and the air is easy to dissociate out of an air inlet when the equipment stops operating, and the air inlet cannot effectively flow.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an air auxiliary flowing sterilization and purification device which structurally comprises a machine main body, a base, an air circulating device, a filter element, a control panel and an air inlet, the base is arranged on the lower surface of the main body, the air circulation device is arranged on the upper surface of the base, and is positioned in the machine main body, the filter element is arranged in the middle of the upper surface of the air circulation device, the control panel is arranged on the upper surface of the machine main body and is of an integrated structure, the air inlet is arranged on the upper surface of the main body, the air circulation device comprises a placing seat, a cleaning mechanism and a circulating matching structure, the circulating matching structure is arranged on the upper surface of the base, the placing seat is arranged on the upper surface of the circulating matching structure, clear scrape the mechanism and locate circulation cooperation structural upper surface outside and be connected, clear scrape the mechanism and contact with the filter core surface, circulation cooperation structural upper end contacts with the filter core surface.
As a further scheme of the invention, the scraping mechanism comprises a rotating ring, a buckling sleeve, a jointing member, an arc plate and a particle scraping plate, the rotating ring is electrically connected with the machine body and movably connected with the circulating matching structure, the buckling sleeve is arranged on the upper surface of the rotating ring, the arc plate is connected with the buckling sleeve through the jointing member, the arc plate is close to the surface of the filter element, and the particle scraping plate is distributed on the left side surface of the arc plate and is in contact with the surface of the filter element, so that the dirt retained on the surface of the filter element can be scraped, and the active flow of air can be realized, and the effective degerming and purification can be realized.
As a further scheme of the invention, the connecting piece comprises a sleeve frame, a limiting spring and a connecting shaft, the sleeve frame is arranged on the upper surface of the buckling sleeve, the right end of the connecting shaft extends into the sleeve frame and is connected with the sleeve frame through the limiting spring, the size of the filter element is matched, and the compact attachment and scale scraping matching of the surface of the filter element is realized under the action of resisting extrusion of external force.
As a further scheme of the invention, the side, facing the filter element, of the arc plate is provided with the wet rubber layer, so that the adhesion of the dirt to the scraper plate and the filter element in the process of attaching the scraper plate to the filter element is facilitated.
As a further scheme of the invention, the scraper plate is made of hard rubber and has a rough surface, so that the scraper plate can effectively scrape dirt on the surface of the filter element while rotating in contact with the surface of the filter element.
As a further scheme of the invention, the circulating matching structure comprises a scale collecting cavity, a matching track and a deslagging piece, wherein the matching track is arranged on the upper surface of the scale collecting cavity and is connected with the rotating ring, and the deslagging piece is arranged on the left side of the upper surface of the scale collecting cavity and is matched with the arc plate and the scraper plate.
As a further scheme of the invention, the upper surface layer of the scale collection cavity is of a net structure, and the inner side walls of the scale collection cavity are provided with wool tops, so that the dirt falling downwards through the cooperation of the deslagging part can be favorably realized, and the operation of preventing upward dissociation can be performed after the contact.
As a further scheme of the invention, the deslagging piece comprises a baffle, an upper cover plate, two movable shaft levers and two friction sleeves, wherein the upper cover plate is arranged on the left side of the upper surface of the baffle, the two movable shaft levers are respectively installed in a vertically staggered manner and are positioned on the left side surface of the baffle, and the two friction sleeves are respectively movably matched with the movable shaft levers, so that the scraping and falling of dirt attached to the surfaces of the scraper plate and the arc plate are favorably realized, and the scraper plate and the arc plate can be recycled.
As a further proposal of the invention, the surface of the friction sleeve is uneven and is matched with the scraper plate.
Advantageous effects of the invention
Compared with the traditional air auxiliary flowing sterilization and purification equipment, the invention has the following beneficial effects:
according to the invention, the cleaning and scraping mechanism is arranged, the main body is electrically connected, so that the rotating ring rotates, the arc plate and the scraper plate scrape dirt retained on the surface of the filter element under the action of rotation, and the arc plate and the scraper plate are matched with the action of the connecting piece, so that the whole body is subjected to the action of resisting extrusion by using the limiting spring while contacting with the filter element, the compact attachment on the surface of the filter element is realized, the cooperation of scraping dirt is realized, and the active flow of air is realized, so that the effective sterilization and purification are realized.
According to the invention, through the arrangement of the circulating matching structure, after the cleaning mechanism rotates to be contacted with the cleaning mechanism, dirt attached to the surface of the scraper plate and the arc plate is scraped and falls off while the scraper plate and the arc plate are contacted by the slag removing piece, so that the scraper plate and the arc plate can be recycled.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.
In the drawings:
FIG. 1 is a schematic structural diagram of an air-assisted mobile sterilization and purification apparatus according to the present invention.
Fig. 2 is a schematic top view of the air flowing device of the present invention.
FIG. 3 is a schematic structural diagram of A in FIG. 2 according to the present invention.
Fig. 4 is a schematic top view of the inner structure of the joint member of the present invention.
Fig. 5 is a schematic top view of the circular fitting structure of the present invention.
FIG. 6 is a left side view of the slag removing member of the present invention.
FIG. 7 is a schematic view of a partial structure of the slag removing member in a top view.
In the figure: the machine comprises a machine body-1, a base-2, an air circulating device-3, a filter element-4, a control panel-5, an air inlet-6, a placing seat-3 a, a scraping mechanism-3 b, a circulating matching structure-3 c, a rotating ring-3 b1, a buckling sleeve-3 b2, a connecting piece-3 b3, an arc plate-3 b4, a scraper plate-3 b5, a sleeve frame-3 b31, a limiting spring-3 b32, a connecting shaft-3 b33, a scale collecting cavity-3 c1, a matching track-3 c2, a deslagging piece-3 c3, a baffle-3 c31, an upper cover plate-3 c32, a movable shaft rod-3 c33 and a friction sleeve-3 c 34.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The first embodiment:
as shown in fig. 1-4, the present invention provides a technical solution of an air-assisted mobile sterilization and purification apparatus:
as shown in fig. 1-2, an air auxiliary flowing sterilization and purification apparatus structurally comprises a main body 1, a base 2, an air circulating device 3, a filter element 4, a control panel 5, and an air inlet 6, wherein the base 2 is installed on the lower surface of the main body 1, the air circulating device 3 is installed on the upper surface of the base 2 and is located inside the main body 1, the filter element 4 is installed in the middle of the upper surface of the air circulating device 3, the control panel 5 is installed on the upper surface of the main body 1 and is an integrated structure, the air inlet 6 is installed on the upper surface of the main body 1, the air circulating device 3 includes a placing seat 3a, a cleaning mechanism 3b, and a circulating matching structure 3c, the circulating matching structure 3c is installed on the upper surface of the base 2, the placing seat 3a is installed on the upper surface of the circulating matching structure 3c, the cleaning mechanism 3b is installed outside the upper surface of the circulating matching structure 3c and is connected, clear scrape mechanism 3b and contact with filter core 4 surface, circulation cooperation structure 3c upper end and filter core 4 surface contact.
As shown in fig. 3-4, the cleaning mechanism 3b includes a rotating ring 3b1, a fastening sleeve 3b2, a connecting member 3b3, an arc plate 3b4, and a scraper plate 3b5, the rotating ring 3b1 is electrically connected to the main body 1 and movably connected to the circulation matching structure 3c, the fastening sleeve 3b2 is mounted on the upper surface of the rotating ring 3b1, the arc plate 3b4 is connected to the fastening sleeve 3b2 through the connecting member 3b3, the arc plate 3b4 is close to the surface of the filter element 4, and the scraper plate 3b5 is distributed on the left side surface of the arc plate 3b4 and is in contact with the surface of the filter element 4, so as to facilitate scraping off dirt retained on the surface of the filter element 4, thereby achieving active flow of air and achieving effective sterilization and purification.
As shown in fig. 4, the connecting member 3b3 includes a sleeve frame 3b31, a limiting spring 3b32 and a connecting shaft 3b33, the sleeve frame 3b31 is mounted on the upper surface of the buckling sleeve 3b2, and the right end of the connecting shaft 3b33 extends into the sleeve frame 3b31 and is connected with the limiting spring 3b32, so that the size of the filter element 4 is matched, and the surface of the filter element 4 is tightly attached to the surface of the filter element to scrape dirt under the action of external force resisting extrusion.
As shown in fig. 2-3, the arc plate 3b4 is provided with a wet rubber layer on the side facing the filter element 4, which is beneficial to adhering the dirt to the filter element 4 via the scraper plate 3b5 and during the process of attaching itself to the filter element 4.
As shown in fig. 3, the scraper 3b5 is made of hard rubber and has a rough surface, which is beneficial for effectively scraping dirt on the surface of the filter element 4 while rotating in contact with the surface of the filter element 4.
The specific realization principle is as follows: when using degerming clarification plant to handle the air, because be mingled with many fibre foreign matters in the air, it then can form the surface of massive attached to the filter core in long-term use for equipment is when using, and it can't carry out effectual processing to the air, influences the flow of air, and when equipment stop operation, easily dissociates out the air intake, leads to the same unable effectual air flow that realizes of air intake.
Therefore, by using the air circulating device 3, when the equipment performs sterilization and purification treatment on air, the rotating ring 3b1 performs rotary motion under the action of the machine body 1, and under the action of electrification, the rotating ring 3b1 is movably connected with the matching track 3c2, so that the rotating ring directly performs rotary motion on the matching track 3c2, the locking sleeve 3b2 connected with the rotating ring is driven to perform synchronous rotary motion, the connecting piece 3b3 positioned on the upper surface of the locking sleeve 3b2 is connected with the arc plate 3b4 to perform contact rotary stroking with the surface of the filter element 4, and the fibrous foreign matters attached to the surface of the filter element 4 fall downwards under the friction stroking action of the scraper plate 3b 5;
because the connecting piece 3b3 is movable as a whole, the contact resistance effect on the surface of the filter element 4 can be automatically realized according to the distance between the connecting piece 3b3 and the filter element 4, thereby playing the role of effectively scraping foreign matters.
In summary, the cleaning mechanism is provided with the main body which is electrically connected with the rotating ring, so that the rotating ring rotates, the arc plate and the scraper plate scrape dirt retained on the surface of the filter element under the action of rotation, and the limiting spring is matched with the connecting piece, so that the whole body is subjected to the action of resisting extrusion while contacting with the filter element, the compact attachment on the surface of the filter element is realized, the dirt scraping cooperation is realized, and the active flow of air is realized, so that the effective sterilization and purification are realized.
Second embodiment:
as shown in fig. 5-7, the present invention provides a technical solution of an air-assisted flowing sterilization and purification apparatus:
as shown in FIG. 5, the air-assisted flowing sterilization and purification equipment structurally comprises a circulating matching structure 3c, a scale collecting cavity 3c1, a matching track 3c2 and a desludging piece 3c3, wherein the matching track 3c2 is installed on the upper surface of the scale collecting cavity 3c1 and is connected with a rotating ring 3b1, and the desludging piece 3c3 is installed on the left side of the upper surface of the scale collecting cavity 3c1 and is matched with an arc plate 3b4 and a scraper plate 3b 5.
As shown in fig. 5, the upper surface layer of the dirt collecting cavity 3c1 has a net structure, and the inner side walls are provided with wool tops, so that the dirt falling downwards by the cooperation of the deslagging piece 3c3 can be favorably prevented from being free upwards after being contacted.
As shown in fig. 6-7, the slag removing piece 3c3 includes a baffle 3c31, an upper cover plate 3c32, a movable shaft 3c33, and a friction sleeve 3c34, the upper cover plate 3c32 is installed on the left side of the upper surface of the baffle 3c31, the movable shaft 3c33 is provided with two parts which are respectively installed in a vertically staggered manner and located on the left side surface of the baffle 3c31, and the friction sleeve 3c34 is provided with two parts which are respectively movably matched with the movable shaft 3c33, so that the scraping and dropping of the dirt attached to the surfaces of the scraper 3b5 and the arc plate 3b4 can be facilitated, and the scraper 3b5 and the arc plate 3b4 can be recycled.
As shown in fig. 7, the surface of the friction sleeve 3c34 is uneven and is engaged with the scraper blade 3b 5.
Based on the embodiment 1, the circulating matching structure 3c is provided in a matching manner, a part of the dirt scraped by the cleaning mechanism 3b directly falls off to the surface of the dirt collecting cavity 3c1 and passes through the surface of the dirt collecting cavity 3c1 to enter the inside of the dirt collecting cavity, and the structure provided in the inner part is matched to prevent the dirt from backflowing upwards again, when the arc plate 3b4 rotates along with the rotating ring 3b1 to be in contact with the deslagging part 3c3, the arc plate is firstly in contact with the friction sleeve 3c34, and under the action that the surface of the friction sleeve 3c34 is uneven, the dirt attached to the surfaces of the scraper plate 3b5 and the arc plate 3b4 is subjected to friction treatment, so that the cleaning mechanism 3b can recycle the surface of the filter element 4.
In summary, according to the invention, through the arrangement of the circulating matching structure, after the cleaning mechanism rotates to contact with the cleaning mechanism, dirt attached to the surface of the scraper plate and the arc plate is scraped and dropped while the scraper plate and the arc plate are contacted by the slag removing piece, so that the scraper plate and the arc plate can be recycled.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides an air assistance flows degerming clarification plant, its structure includes quick-witted main part (1), base (2), air alive and flows device (3), filter core (4), control panel (5), air intake (6), its characterized in that: the air circulation device is characterized in that the base (2) is arranged on the lower surface of the machine main body (1), the air circulation device (3) is arranged on the upper surface of the base (2) and is positioned inside the machine main body (1), the filter element (4) is arranged in the middle of the upper surface of the air circulation device (3), the control panel (5) is arranged on the upper surface of the machine main body (1) and is of an integrated structure, and the air inlet (6) is arranged on the upper surface of the machine main body (1);
air circulation device (3) including placing seat (3a), clear scrape mechanism (3b), circulation cooperation structure (3c), base (2) upper surface is located in circulation cooperation structure (3c), place seat (3a) and install in circulation cooperation structure (3c) upper surface, clear scrape mechanism (3b) locate circulation cooperation structure (3c) upper surface outside and be connected, clear scrape mechanism (3b) and filter core (4) surface and contact, circulation cooperation structure (3c) upper end contacts with filter core (4) surface.
2. An air-assisted mobile sterilization and purification apparatus according to claim 1, wherein: the cleaning and scraping mechanism (3b) comprises a rotating ring (3b1), a buckling sleeve (3b2), a connecting piece (3b3), an arc plate (3b4) and a scraper plate (3b5), wherein the rotating ring (3b1) is electrically connected with the machine body (1) and movably connected with a circulating matching structure (3c), the buckling sleeve (3b2) is installed on the upper surface of the rotating ring (3b1), the arc plate (3b4) is connected with a buckling sleeve (3b2) through the connecting piece (3b3), the arc plate (3b4) is close to the surface of the filter element (4), and the scraper plate (3b5) is distributed on the left side surface of the arc plate (3b4) and is in contact with the surface of the filter element (4).
3. An air-assisted mobile sterilization and purification apparatus according to claim 2, wherein: the connecting piece (3b3) comprises a sleeve frame (3b31), a limiting spring (3b32) and a connecting shaft (3b33), the sleeve frame (3b31) is mounted on the upper surface of the buckling sleeve (3b2), and the right end of the connecting shaft (3b33) extends into the sleeve frame (3b31) and is connected with the connecting shaft through the limiting spring (3b 32).
4. An air-assisted mobile sterilization and purification apparatus according to claim 2, wherein: the arc plate (3b4) is provided with a wet rubber layer towards one side of the filter element (4).
5. An air-assisted mobile sterilization and purification apparatus according to claim 2, wherein: the scraper plate (3b5) is made of hard rubber and has a rough surface.
6. An air-assisted mobile sterilization and purification apparatus according to claim 1, wherein: the circulating matching structure (3c) comprises a scale collecting cavity (3c1), a matching rail (3c2) and a desludging piece (3c3), wherein the matching rail (3c2) is installed on the upper surface of the scale collecting cavity (3c1) and is connected with the rotating ring (3b1), and the desludging piece (3c3) is installed on the left side of the upper surface of the scale collecting cavity (3c1) and is matched with the arc plate (3b4) and the scraper plate (3b 5).
7. An air assisted flow sterilization purification apparatus according to claim 6, wherein: the upper surface layer of the scale collection cavity (3c1) is of a net structure, and wool tops are arranged on the inner side walls.
8. An air assisted flow sterilization purification apparatus according to claim 6, wherein: the slag removing piece (3c3) comprises a baffle (3c31), an upper cover plate (3c32), a movable shaft rod (3c33) and a friction sleeve (3c34), wherein the upper cover plate (3c32) is installed on the left side of the upper surface of the baffle (3c31), the movable shaft rod (3c33) is provided with two parts and is installed in a vertically staggered mode respectively and is located on the left side surface of the baffle (3c31), and the friction sleeve (3c34) is provided with two parts and is movably matched with the movable shaft rod (3c33) respectively.
9. An air assisted flow sterilization purification apparatus according to claim 8, wherein: the surface of the friction sleeve (3c34) is uneven and matched with the scraper blade (3b 5).
CN202110818416.4A 2021-07-20 2021-07-20 Air-assisted mobile sterilization and purification equipment Pending CN113654161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110818416.4A CN113654161A (en) 2021-07-20 2021-07-20 Air-assisted mobile sterilization and purification equipment

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Application Number Priority Date Filing Date Title
CN202110818416.4A CN113654161A (en) 2021-07-20 2021-07-20 Air-assisted mobile sterilization and purification equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114681833A (en) * 2022-03-23 2022-07-01 梁一铭 Fire control filters formula respirator face guard of saving oneself

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CN112791481A (en) * 2020-12-31 2021-05-14 广州顾建贸易有限公司 Sewage filtering device for chemical industry
CN112892111A (en) * 2021-01-18 2021-06-04 阜阳不平凡美容护肤有限公司 Air filter with eliminate peculiar smell function
CN213369360U (en) * 2020-10-10 2021-06-08 河南银星畜牧设备有限公司 Scale cultivation chicken manure collection device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017028710A1 (en) * 2015-08-14 2017-02-23 珠海格力电器股份有限公司 Cleaning mechanism, cleaning device and air conditioner
CN110694377A (en) * 2019-09-19 2020-01-17 泉州台商投资区恒鑫隆网络科技有限公司 Antibacterial formaldehyde-removing and peculiar smell-removing air filter screen device capable of preventing foul smell proliferation
CN212234329U (en) * 2020-06-04 2020-12-29 江苏美的清洁电器股份有限公司 Cleaning device
CN213369360U (en) * 2020-10-10 2021-06-08 河南银星畜牧设备有限公司 Scale cultivation chicken manure collection device
CN112791481A (en) * 2020-12-31 2021-05-14 广州顾建贸易有限公司 Sewage filtering device for chemical industry
CN112892111A (en) * 2021-01-18 2021-06-04 阜阳不平凡美容护肤有限公司 Air filter with eliminate peculiar smell function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114681833A (en) * 2022-03-23 2022-07-01 梁一铭 Fire control filters formula respirator face guard of saving oneself

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Application publication date: 20211116