CN111878955A - Total heat exchange fresh air purification and disinfection machine - Google Patents

Total heat exchange fresh air purification and disinfection machine Download PDF

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Publication number
CN111878955A
CN111878955A CN202010796120.2A CN202010796120A CN111878955A CN 111878955 A CN111878955 A CN 111878955A CN 202010796120 A CN202010796120 A CN 202010796120A CN 111878955 A CN111878955 A CN 111878955A
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CN
China
Prior art keywords
air
module
new trend
total heat
filter screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010796120.2A
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Chinese (zh)
Inventor
王海峰
李勇
叶景龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Nilan Environmental System Co ltd
Original Assignee
Ningbo Nilan Environmental System Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Nilan Environmental System Co ltd filed Critical Ningbo Nilan Environmental System Co ltd
Priority to CN202010796120.2A priority Critical patent/CN111878955A/en
Publication of CN111878955A publication Critical patent/CN111878955A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18Radiation
    • A61L9/20Ultra-violet radiation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • 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
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention relates to a total heat exchange fresh air purification and disinfection machine, which comprises a main body; the inner cavity of the main body is divided into a filtering and sterilizing cavity capable of placing a filtering and sterilizing module, an exhaust cavity capable of placing an exhaust module, a return air cavity for absorbing indoor air, an air exchange cavity for conveying air in the total heat exchanger and a fresh air outlet cavity capable of placing an indoor fresh air outlet module; the main part passes through the baffler and separates return air chamber and air exchange chamber with the cooperation of total heat exchanger, wherein, the fixed new trend module that is provided with in air exchange chamber, the new trend module can let indoor new trend air-out module carry indoor in carrying the new trend air-out chamber with the air exchange chamber. It filters and sterilization process back with input air tertiary filtration, ultraviolet lamp sterilization, carries out the heat exchange through total heat exchanger then, and it is indoor from indoor new trend air-out module to carry the new trend through the new trend module for the room air can purify.

Description

Total heat exchange fresh air purification and disinfection machine
Technical Field
The invention relates to the technical field of air purification devices, in particular to a total heat exchange fresh air purification and sterilization machine.
Background
Children are the future of families, are hopes of the motherland and the nationality, and it is our responsibility to protect primary and secondary school students from being injured by air pollution. The classroom is a place with small place and dense personnel, doors and windows need to be closed tightly in summer for heat protection and winter cold protection, indoor air is basically not circulated, and the classroom is a park for children who are in a developmental stage and have long bodies to study every day. Sufficient fresh air can guarantee that the student is healthy to grow up to can guarantee student's quality of listening to class, in the classroom of taking a breath inadequately, student's attention can be difficult to concentrate because of the oxygen deficiency, and symptoms such as dysphoria, headache appear even. Therefore, attention must be paid to campus fresh air construction, and a healthy living environment for children is required to be constructed in the smart campus.
Therefore, it is necessary to provide an integrated indoor purifier with high purification efficiency and high heat exchange efficiency for electrostatic fresh air total heat exchange sterilization in small and dense places such as campus classrooms to solve the air quality problem in small and dense places.
Disclosure of Invention
The invention aims to provide a total heat exchange fresh air purification and sterilization machine, which has the advantages of compact integral structure, convenient assembly and installation, good sealing performance and long service life, can remove more than 99% of PM2.5 in indoor air through circulating air, can eliminate more than 99% of bacteria in the indoor air through circulating wind energy after long-time operation, and particularly can recover 75% of indoor load and send the load into a room again through a total heat exchanger while circulating the air.
The invention provides a technical scheme that: the utility model provides a total heat exchange new trend purifies virus killing machine, its includes the main part, set up at the air inlet module of main part tip, be used for filtering the filtration and the module of disinfecting of the defeated air-out of air inlet module, total heat exchanger, with the module of airing exhaust and the new trend module that the total heat exchanger cooperatees and link up, be used for releasing the indoor new trend air-out module of new trend module air-out indoor new trend air-out module sends the new trend to indoorly through the high-efficient filter screen of new trend.
Further preferred embodiments of the present invention: the filtering and sterilizing module comprises a filtering module and a sterilizing module.
Further preferred embodiments of the present invention: the filtering module comprises an air inlet primary filter screen, an electrostatic dust collection filter screen and an active carbon filter screen; the air inlet primary filter screen, the electrostatic dust removal filter screen and the activated carbon filter screen are arranged at the lower end of the air inlet module and are arranged from top to bottom.
Further preferred embodiments of the present invention: the sterilization module is an ultraviolet sterilization lamp.
Further preferred embodiments of the present invention: the air inlet module comprises an air inlet main body; a back air inlet and a side air inlet are formed in the air inlet main body.
Further preferred embodiments of the present invention: the air exhaust module comprises an air exhaust fan matched with the total heat exchanger and an air exhaust main body matched with the air exhaust fan, and a back air outlet and a side air outlet are arranged in the air exhaust main body.
Further preferred embodiments of the present invention: the new trend module is through an air supply chamber of baffler and total heat exchanger cooperation stroke, the air supply chamber link up mutually with the air intake of new trend fan, the air outlet and the new trend air-out chamber of new trend fan link up mutually, new trend air-out chamber is provided with the high-efficient filter screen of new trend with air outlet matched with, the high-efficient filter screen of new trend goes out to be provided with the whirl wind gap that has the whirl function that is used for the air-out, but manual regulation wind gap air-out direction.
Further preferred embodiments of the present invention: the high-efficient filter screen of new trend "V" type design directly surrounds the setting in the air outlet department of new trend fan.
Further preferred embodiments of the present invention: the air return primary filter screen is also included; the return air primary filter screen is arranged in the return air cavity and is fixedly arranged on the side face of the main body.
Further preferred embodiments of the present invention: also comprises a plurality of mounting fixing frames; the plurality of mounting fixing frames are respectively mounted and fixed at the end part of the side surface of the main body.
Compared with the prior art, the novel indoor fresh air purification device has the advantages that the whole structure is compact, the structural arrangement and design are reasonable, the input air is subjected to three-stage filtration and ultraviolet lamp sterilization, then is subjected to heat exchange through the total heat exchanger after being subjected to filtration and sterilization treatment, and then is conveyed to the indoor from the indoor fresh air outlet module through the fresh air module, so that the indoor air is purified; meanwhile, indoor dirty air is simply filtered by the return air primary filter screen, most of load is recycled by the total heat exchanger, and then the dirty air is exhausted outdoors from the exhaust module.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a schematic view of a total heat exchange fresh air purifying sterilizer according to the present invention;
FIG. 2 is a schematic top view of a total heat exchange fresh air purifying sterilizer according to the present invention;
FIG. 3 is a schematic perspective view of a total heat exchange fresh air purification and disinfection machine according to the present invention;
FIG. 4 is a schematic side view of a total heat exchange fresh air purifying sterilizer according to the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the total heat exchange fresh air purifying and sterilizing machine of the present invention comprises a main body 1, an air intake module 2 disposed at an end of the main body 1, a filtering and sterilizing module 3 for filtering the air output from the air intake module 2, a total heat exchanger 4, an air exhaust module 5 and a fresh air module 6 communicated with the total heat exchanger 4, and an indoor fresh air outlet module 7 for releasing the air output from the fresh air module 6; indoor new trend air-out module 7 is arranged the new trend indoor through the high-efficient filter screen 71 of new trend.
As shown in fig. 1, the inner cavity of the main body 1 is divided into a filtering and sterilizing cavity 11 for placing the filtering and sterilizing module 3, an exhaust cavity 14 for placing the exhaust module 5, an air return cavity 12 for absorbing indoor air, an air exchange cavity 13 for conveying air of the total heat exchanger 4, and a fresh air outlet cavity 15 for placing the indoor fresh air outlet module 7;
as shown in fig. 1 and 2, a cavity (not shown) for placing the air intake module 2 is integrated at the upper end of the main body 1, the air intake main body 21 of the air intake module 2 can be communicated with the indoor space through the back air inlet 23 and the side air inlet 22 and through the back air inlet 23 and the side air inlet 22, and indoor air enters the main body through the back air inlet 23 and the side air inlet 22 to perform a subsequent series of air purification treatment;
as shown in fig. 1, the filtering and sterilizing module 3 includes a filtering module (not shown) and a sterilizing module (not shown), the filtering module (not shown) is directly located under the air outlet of the air inlet main body 21, and the sterilizing module (not shown) is located under the filtering module (not shown), and is designed according to the principle of filtering before sterilizing; the filtering module (not marked in the figure) comprises an air inlet primary filter screen 31, an electrostatic dust collection filter screen 32 and an activated carbon filter screen 33 which are arranged from top to bottom in sequence;
as shown in fig. 1, the intake air primary filter 31 is mainly used for filtering dust particles of 5 μm or more, the electrostatic precipitator filter 32 captures tiny dust as small as 0.01um, and the activated carbon filter 33 adsorbs formaldehyde, benzene series, ammonia, TVOC, radon and other gases harmful to human body and planktonic bacteria in air;
as shown in fig. 1, a sterilization assembly 34 of an ultraviolet sterilization lamp is disposed below the activated carbon filter net 33, and the ultraviolet sterilization lamp can sterilize and disinfect the air processed by the activated carbon filter net 33, so that the air entering the total heat exchanger 4 is subjected to a filtering sterilization process;
as shown in fig. 1, the total heat exchanger 4 is disposed in the middle of the interior of the main body 1, and has a first air inlet 41 disposed upward and located in the filtering and sterilizing cavity 11, a second air inlet 42 disposed downward and disposed in the return air cavity 12 for absorbing indoor air, a first air outlet 43 disposed upward and disposed in the exhaust air cavity 14 for placing the exhaust air module 5, and a second air outlet 44 disposed downward and disposed in the air exchange cavity 13 for transporting air of the total heat exchanger 4;
as shown in fig. 4, a blocking plate 10 is disposed in the air return chamber 12, one end of the blocking plate 10 is fixed to the upper portion of the fresh air outlet chamber 15, and the other end is fixed to the total heat exchanger 4, such a group of blocking plates blocks the air return chamber 12 and the air exchange chamber 13 from each other and prevents the air return chamber and the air exchange chamber from communicating with each other, so that indoor air enters from the indoor grille air inlet 16 and is not mixed with air exchanged by the total heat exchanger 4, and is effectively separated from the air return chamber, and fresh air released by the fresh air module 6 is subjected to filtration sterilization and heat exchange, and meets the fresh air discharge standard;
as shown in fig. 1 and 2, the exhaust module 5 includes an exhaust fan 54 coupled to the total heat exchanger 4, and an exhaust main body 51 coupled to the exhaust fan 54, wherein the exhaust main body 51 is provided with a back exhaust port 52 and a side exhaust port 53, and the exhaust main body 51 discharges the exhaust gas discharged from the total heat exchanger 4 through the back exhaust port 52 and the side exhaust port 53.
As shown in fig. 1, the fresh air module 6 includes a fresh air blower 60, the fresh air blower 6 is located in the air exchange cavity 13 and is disposed at the lower side of the second air outlet 44 of the total heat exchanger 4, the air suction opening 61 of the fresh air blower 60 is located in the second air outlet 44 of the total heat exchanger 4, the air outlet 62 of the fresh air blower 60 is disposed in the fresh air outlet cavity 15, the air after heat exchange in the air exchange cavity 13 and after being filtered and sterilized is sucked into the fresh air outlet cavity 15, in the fresh air outlet cavity 15, a V-shaped fresh air high-efficiency filter screen 71 can be used, and the fresh air high-efficiency filter screen 71 can achieve a filtering effect of more than 0.9% on particles with a size of more than 0.3 um; fans 72 with swirl air ports 73 are arranged on two sides of the fresh air high-efficiency filter screen 71 in the V-shaped design, wherein the air outlet direction of the swirl air ports 73 can be adjusted to output air in an appointed direction.
The working principle is as follows: the air can enter the air inlet main body 21 from the back air inlet 23 and the side air inlet 22, and then downwards passes through the three layers of the air inlet primary filter screen 31, the electrostatic dust removal filter screen 32 and the active carbon filter screen 33 for filtering, then passes through the disinfection and sterilization treatment of the sterilization component 34 of the ultraviolet germicidal lamp, then is sucked from the first air inlet 41 of the total heat exchanger 4 to the total heat exchanger 4 for heat exchange, the hot air can be discharged to the outdoor through the air exhaust module 5 matched with the first air outlet 43, the air after heat exchange is conveyed to the air exchange cavity 13 through the second air outlet 44, then is conveyed to the fresh air high-efficiency filter screen 71 for final filtering after being sucked by the fresh air fan 60 communicated with the air exchange cavity 13, and finally is discharged to the indoor through the fan 72 with the swirl air,
meanwhile, indoor air enters the air return cavity 12 from the indoor grille air inlet 16, the total heat exchanger 4 sucks the air in the air return cavity 12 to the total heat exchanger 4 through the second air inlet 42 for heat exchange, hot air can be discharged to the outdoor through the air exhaust module 5 matched with the first air outlet 43, the air after heat exchange is conveyed to the air exchange cavity 13 through the second air outlet 44, then the air is conveyed to the fresh air high-efficiency filter screen 71 for final filtration after being sucked by the fresh air fan 60 communicated with the air exchange cavity 13, and finally the air is discharged to the indoor through the fan 72 with the swirl air inlet 73.
The total heat exchanger 4 is arranged in the middle of the inside of the main body 1, a first air inlet 41 of the total heat exchanger is arranged upwards and located in the filtering and sterilizing cavity 11, a second air inlet 42 is arranged downwards and arranged in the return air cavity 12 for absorbing indoor air, a first air outlet 43 is arranged upwards and arranged in the exhaust air cavity 14 for placing the exhaust air module 5, and a second air outlet 44 is arranged downwards and arranged in the air exchange cavity 13 for conveying the air of the total heat exchanger 4.
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.
The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a total heat exchange new trend purifies virus killing machine, its includes the main part, set up at the air inlet module of main part tip, be used for filtering the filtration and the module of disinfecting of the defeated air-out of air inlet module, total heat exchanger, with the module of airing exhaust and the new trend module that the total heat exchanger cooperatees and link up, be used for releasing the indoor new trend air-out module of new trend module air-out indoor new trend air-out module passes through the high-efficient filter screen of new trend and arranges the new trend indoor.
2. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: the filtering and sterilizing module comprises a filtering module and a sterilizing module.
3. The total heat exchange fresh air purification and sterilization machine according to claim 2, characterized in that: the filtering module comprises an air inlet primary filter screen, an electrostatic dust collection filter screen and an active carbon filter screen; the air inlet primary filter screen, the electrostatic dust removal filter screen and the activated carbon filter screen are arranged at the lower end of the air inlet module and are arranged from top to bottom.
4. The total heat exchange fresh air purification and sterilization machine according to claim 2, characterized in that: the sterilization module is an ultraviolet sterilization lamp.
5. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: the air inlet module comprises an air inlet main body; a back air inlet and a side air inlet are formed in the air inlet main body.
6. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: the air exhaust module comprises an air exhaust fan matched with the total heat exchanger and an air exhaust main body matched with the air exhaust fan, and a back air outlet and a side air outlet are arranged in the air exhaust main body.
7. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: the new trend module is through an air supply chamber of baffler and total heat exchanger cooperation stroke, the air supply chamber link up mutually with the air intake of new trend fan, the air outlet and the new trend air-out chamber of new trend fan link up mutually, new trend air-out chamber is provided with the high-efficient filter screen of new trend with air outlet matched with, the high-efficient filter screen of new trend goes out to be provided with the fan that has the whirl wind gap that is used for the air-out.
8. The total heat exchange fresh air purification and sterilization machine according to claim 7, wherein: the high-efficient filter screen of new trend "V" type design directly surrounds the setting in the air outlet department of new trend fan.
9. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: the air return primary filter screen is also included; the return air primary filter screen is arranged in the return air cavity and is fixedly arranged on the side face of the main body.
10. The total heat exchange fresh air purification and sterilization machine according to claim 1, characterized in that: also comprises a plurality of mounting fixing frames; the plurality of mounting fixing frames are respectively mounted and fixed at the end part of the side surface of the main body.
CN202010796120.2A 2020-08-10 2020-08-10 Total heat exchange fresh air purification and disinfection machine Pending CN111878955A (en)

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CN202010796120.2A CN111878955A (en) 2020-08-10 2020-08-10 Total heat exchange fresh air purification and disinfection machine

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CN202010796120.2A CN111878955A (en) 2020-08-10 2020-08-10 Total heat exchange fresh air purification and disinfection machine

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CN111878955A true CN111878955A (en) 2020-11-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114543224A (en) * 2022-01-18 2022-05-27 江苏大翔科技有限公司 Total heat exchanger with filtering mechanism and use method thereof

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Publication number Priority date Publication date Assignee Title
JP2007278592A (en) * 2006-04-06 2007-10-25 Sanki Eng Co Ltd Air conditioning system, and humidification capacity increasing method for air conditioning system
JP2011257099A (en) * 2010-06-11 2011-12-22 Mitsubishi Electric Corp Air conditioner
CN203464394U (en) * 2013-07-19 2014-03-05 深圳泽风净化设备有限公司 Novel fan
CN106196405A (en) * 2016-08-26 2016-12-07 北京中晶泰合新能源科技股份有限公司 Fresh air purifier
CN206861742U (en) * 2017-06-28 2018-01-09 中嘉能源(北京)技术有限公司 A kind of cabinet type Total heat exchange VMC
CN208059188U (en) * 2018-02-01 2018-11-06 天宫重庆科技股份有限公司 A kind of ceiling mounting type Total heat exchange fresh air purifier with interior circulatory function
CN209131057U (en) * 2018-09-14 2019-07-19 福州光启环保科技有限公司 A kind of air fresh air purifier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007278592A (en) * 2006-04-06 2007-10-25 Sanki Eng Co Ltd Air conditioning system, and humidification capacity increasing method for air conditioning system
JP2011257099A (en) * 2010-06-11 2011-12-22 Mitsubishi Electric Corp Air conditioner
CN203464394U (en) * 2013-07-19 2014-03-05 深圳泽风净化设备有限公司 Novel fan
CN106196405A (en) * 2016-08-26 2016-12-07 北京中晶泰合新能源科技股份有限公司 Fresh air purifier
CN206861742U (en) * 2017-06-28 2018-01-09 中嘉能源(北京)技术有限公司 A kind of cabinet type Total heat exchange VMC
CN208059188U (en) * 2018-02-01 2018-11-06 天宫重庆科技股份有限公司 A kind of ceiling mounting type Total heat exchange fresh air purifier with interior circulatory function
CN209131057U (en) * 2018-09-14 2019-07-19 福州光启环保科技有限公司 A kind of air fresh air purifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114543224A (en) * 2022-01-18 2022-05-27 江苏大翔科技有限公司 Total heat exchanger with filtering mechanism and use method thereof

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Application publication date: 20201103

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