CN107449050A - Air cleaning facility - Google Patents
Air cleaning facility Download PDFInfo
- Publication number
- CN107449050A CN107449050A CN201710756247.XA CN201710756247A CN107449050A CN 107449050 A CN107449050 A CN 107449050A CN 201710756247 A CN201710756247 A CN 201710756247A CN 107449050 A CN107449050 A CN 107449050A
- Authority
- CN
- China
- Prior art keywords
- air
- cold wind
- preheating device
- air inlet
- cleaning facility
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses a kind of air cleaning facility, including：Casing, casing have the first air inlet and the first air outlet, and the first air outlet is suitable to connect with indoor environment；Cold wind preheating device, cold wind preheating device have the second air inlet and the second air outlet, and the second air inlet is suitable to connect with outdoor environment, and the second air outlet connects with the first air inlet.According to the air cleaning facility of the present invention, by setting cold wind preheating device, in the case where ambient temperature is relatively low, outdoor cold wind can be heated after entering cold wind preheating device, so as to improve the outdoor temperature to indoor air-supply, the indoor temperature difference with outdoor is reduced, improves the comfortableness of indoor environment.
Description
Technical field
The present invention relates to air purification field, more particularly, to a kind of air cleaning facility.
Background technology
Air cleaning facility is to refer to filter out air pollutants, effectively improve the product of air cleanliness.Purification of air
Equipment is in winter in use, outdoor cold wind is directly blown onto interior after air cleaning facility so that and indoor temperature drastically declines,
User's comfortableness is poor.When indoor/outdoor temperature-difference and larger humidity, on the air channel of air cleaning facility and installation indoors all
It can condense, dew can drop onto indoor ceiling, on floor or on other articles, easily cause property loss.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of sky
Gas cleaning equipment, the air cleaning facility can improve the comfortableness that user uses.
Air cleaning facility according to embodiments of the present invention, including：Casing, the casing have the first air inlet and first
Air outlet, first air outlet are suitable to connect with indoor environment；Cold wind preheating device, the cold wind preheating device have second
Air inlet and the second air outlet, second air inlet be suitable to connected with the outdoor environment, second air outlet with it is described
First air inlet connects.
According to the present invention air cleaning facility, by setting cold wind preheating device, in the case where ambient temperature is relatively low,
Outdoor cold wind can be heated after entering cold wind preheating device, so as to improve the outdoor temperature to indoor air-supply, reduce it is indoor with
The outdoor temperature difference, improve the comfortableness of indoor environment.
According to some embodiments of the present invention, first air inlet is located on the side plate of the casing, and the cold wind is pre-
Thermal is connected with the side plate.
In some embodiments of the invention, the cold wind preheating device is provided with installation portion, and the installation portion is provided with
Multiple through holes, the side plate are provided with multiple mounting holes corresponding with the through hole, and the air cleaning facility also includes multiple
Fastener, the fastener are connected through the through hole with the mounting hole.
Further, the installation portion is multiple.
According to some embodiments of the present invention, the cold wind preheating device includes：Housing；Heating component, the heating group
Part is located in the housing to heat the air in the housing.
Further, the heating component is electric heater.
According to some embodiments of the present invention, set at least one in first air inlet and second air inlet
There is air-inlet grille.
According to some embodiments of the present invention, the air cleaning facility also includes wind guiding component, the wind guiding component tool
There are the 3rd air inlet and the 3rd air outlet, the 3rd air inlet connects with the outdoor environment, the 3rd air outlet and institute
State the connection of the second air inlet.
Further, the wind guiding component includes：Connecting portion, the connecting portion are formed as tabular, the connecting portion and institute
The connection of cold wind preheating device is stated, there is the first hole connected with second air inlet on the connecting portion, first hole
Be formed as the 3rd air outlet close to one end of the cold wind preheating device；Air dam, the air dam and the connecting portion
The remote cold wind preheating device side connection, the air dam has the second hole for being connected with first hole, described
One end of the remote connecting portion in the second hole is formed as the 3rd air inlet.
In some embodiments of the invention, the air dam is formed as cylindric.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structural representation of air cleaning facility according to embodiments of the present invention；
Fig. 2 is the partial structural diagram of air cleaning facility according to embodiments of the present invention.
Reference：
Air cleaning facility 100,
Casing 1, side plate 11, automatically controlled case assembly 12, the first air outlet 13,
Cold wind preheating device 2, air-inlet grille 21, installation portion 22, through hole 221, fastener 222, the second air inlet 23, housing
24,
Wind guiding component 3, air dam 31, the first hole 311, connecting portion 32, the 3rd air inlet 33.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Air cleaning facility 100 according to embodiments of the present invention is described below with reference to Fig. 1 and Fig. 2.
As depicted in figs. 1 and 2, air cleaning facility 100 according to embodiments of the present invention can be fresh air machine, purification of air
Equipment 100 includes casing 1 and cold wind preheating device 2.
Specifically, casing 1 has the first air inlet and the first air outlet 13, and the first air outlet 13 is suitable to and indoor environment
Connection.Cold wind preheating device 2 has the second air inlet 23 and the second air outlet, and the second air inlet 23 is suitable to connect with outdoor environment
Logical, the second air outlet connects with the first air inlet.For example, as shown in Fig. 2 cold wind enters the pre- hot charging of cold wind by the second air inlet 23
2 are put, after heat temperature raising, the first air inlet of casing 1, temperature are delivered to by the second air outlet in cold wind preheating device 2 for cold wind
Higher wind carries out purified treatment in casing 1, and most the first air outlet 13 through casing 1 is delivered to interior afterwards.
According to the air cleaning facility 100 of the present invention, by setting cold wind preheating device 2, in the relatively low feelings of ambient temperature
Under condition, outdoor cold wind can be heated after entering cold wind preheating device 2, so as to improve the outdoor temperature to indoor air-supply, be reduced
The indoor temperature difference with outdoor, improve the comfortableness of indoor environment.
According to some embodiments of the present invention, as shown in Fig. 2 the first air inlet is located on the side plate 11 of casing 1, cold wind is pre-
Thermal 2 is connected with side plate 11.For example, in the embodiment shown in Fig. 1 and Fig. 2, the first air inlet is located at the side plate 11 of casing 1
On, cold wind preheating device 2 is connected with the side plate 11 on casing 1.Cold wind preheating device 2 is connected with the side plate 11 of casing 1, is installed
Journey is simple, can improve the efficiency of assembling.In addition, because cold wind preheating device 2 and casing 1 are non-in maintenance or maintenance process
Integrative-structure, the junction of cold wind preheating device 2 and casing 1 can be disassembled, there is provided maintenance and the space checked, be easy to cold
Breakdown maintenance and investigation of the wind preheating device 2 with casing 1.
In some embodiments of the invention, as shown in Fig. 2 cold wind preheating device 2 is provided with installation portion 22, installation portion 22
Multiple through holes 221 are provided with, side plate 11 is provided with multiple mounting holes corresponding with through hole 221, and air cleaning facility 100 also includes
Multiple fasteners 222, fastener 222 are connected through through hole 221 with mounting hole.By fastener 222 by cold wind preheating device 2 with
The side plate 11 of casing 1 connects so that the air after the heating of cold wind preheating device 2, can be transported to machine by the second air outlet
First air inlet of shell 1, prevent the gas outflow after heating.Make in addition, cold wind preheating device 2 is connected with the side plate 11 of casing 1
Connected with fastener 222, bonding strength is high, and cost is relatively low, and disassembly and installation is relatively easy.Wherein, fastener 222 can be spiral shell
Nail etc..
Further, installation portion 22 is multiple.On the one hand, can improve cold wind preheating device 2 be connected with casing 1 it is reliable
Property, so as to improve the reliability of the work of cold wind preheating device 2, on the other hand, improve between cold wind preheating device 2 and casing 1
Sealing property.
According to some embodiments of the present invention, cold wind preheating device 2 includes housing 24 and heating component, and heating component is located at
With the air in heated shell 24 in housing 24.For example, in the embodiment shown in Figure 2, cold wind preheating device 2 is by cuboid
The housing 24 of shape is surrounded, and heating component is provided with cold wind preheating device 2, and cold wind enters cold wind preheating device by the second air inlet 23
2, in the space that surrounds of housing 24 of rectangular shape, after heating component heat temperature raising, pass through the second air outlet and export.
Further, as shown in Fig. 2 heating component is electric heater.Electric heater have efficiency of heating surface height, quick heating,
The advantages that service life is long, cold wind can be brought rapidly up after entering cold wind preheater by the heating of electric heater, in the short time
Can be to reach predetermined temperature.Certainly, the invention is not restricted to this, heating component can also be heat exchange coil structure, heat exchange coil
It is interior to be provided with heat transferring medium, such as water etc..
According to some embodiments of the present invention, as depicted in figs. 1 and 2, in the first air inlet and the second air inlet 23 extremely
Few one is provided with air-inlet grille 21.To avoid the dust in the external world or floating object from getting in, it is necessary in the first air inlet and the
At least one upper setting air-inlet grille 21 in two air inlets 23, the structure of air-inlet grille 21 can effectively by dust or floating object every
Absolutely in the exterior space, indoor cleannes are kept.
According to some embodiments of the present invention, air cleaning facility 100 also includes wind guiding component 3, and wind guiding component 3 has the
Three air inlets 33 and the 3rd air outlet, the 3rd air inlet 33 connect with outdoor environment, and the 3rd air outlet connects with the second air inlet 23
It is logical.For example, in the embodiment shown in fig. 1, the front portion of cold wind preheating device 2 is provided with wind guiding component 3, before wind guiding component 3
To hold as the 3rd air inlet 33, the rear end of wind guiding component 3 is the 3rd air outlet, and outdoor cold wind is entered by the 3rd air inlet 33, and
The second air inlet 23 of cold wind preheating device 2 is delivered to by the 3rd air outlet.Wind guiding component 3 plays guide functions, through wind guiding component 3
After water conservancy diversion so that the cold wind of the second air inlet 23 can more effectively enter cold wind preheating device 2.
Further, as shown in figure 1, wind guiding component 3 includes：Connecting portion 32 and air dam 31.Connecting portion 32 is formed as plate
Shape, connecting portion 32 are connected with cold wind preheating device 2, have the first hole 311 connected with the second air inlet 23 on connecting portion 32, the
One end of the close cold wind preheating device 2 in one hole 311 is formed as the 3rd air outlet；The remote cold wind of air dam 31 and connecting portion 32
The side connection of preheating device 2, air dam 31 have the second hole connected with the first hole 311, the remote connecting portion 32 in the second hole
One end be formed as the 3rd air inlet 33.Outdoor cold wind is flowed by the 3rd air inlet 33 of the air dam 31 away from the one end of connecting portion 32
Enter, flow subsequently through the first hole 311 of air dam 31, into the second hole of the tabular connecting portion 32 connected with the first hole 311, due to
Second hole connects with the second air inlet 23, is flowed out, is delivered to cold by the 3rd air outlet after the connecting hole of airflow passes second
Second air inlet 23 of wind preheating device 2.After air dam 31 and connecting portion 32, air-flow is changed into order by unordered turbulent flow
Laminar flow, so as to realize the high efficiency in cold wind preheating device 2 heating and flowing.
Further, as shown in figure 1, air dam 31 is formed as cylindric.Air dam 31 is arranged to cylindrical shape, outdoor cold wind
After being entered by the 3rd air inlet 33, cylindric air dam 31 has the effect gathered to cold wind, can improve flow velocity shape to a certain extent
Into negative pressure, it is easy to the inflow of outdoor cold wind.
Air cleaning facility 100 below with reference to Fig. 1 and Fig. 2 descriptions according to the specific embodiment of the invention.It is worth what is understood
It is, it is described below simply exemplary, it is intended to for explaining the present invention, and to be not considered as limiting the invention.
As depicted in figs. 1 and 2, air cleaning facility 100 according to embodiments of the present invention can be fresh air machine, purification of air
Equipment 100 includes casing 1 and cold wind preheating device 2.
As depicted in figs. 1 and 2, the front end of casing 1 is provided with the first air inlet, and rear end is provided with the first air outlet 13, and first goes out
Air port 13 is the delivery outlet of the clean gas after the processing of air cleaning facility 100, and clean gas conveys through the first air outlet 13
To indoor environment, the first air inlet of casing 1 is provided with the air-inlet grille 21 of isolation dust or suspension.The right side of casing 1
Provided with automatically controlled case assembly 12, automatically controlled case assembly 12 sets for purification of air and provides power supply and control system.
As shown in Fig. 2 the front end of cold wind preheating device 2 is provided with the second air inlet 23, rear end is provided with the second air outlet, front end
Second air inlet 23 is connected with outdoor environment, and the air-inlet grille 21 of isolation dust or suspension is provided with the second air inlet 23,
Second air outlet of the rear end of cold wind preheating device 2 connects with the first air inlet of casing 1, after the preheating of cold wind preheating device 2
Air is delivered to the first air inlet of casing 1 by the second air outlet.
As depicted in figs. 1 and 2, cold wind preheating device 2 is surrounded by the housing 24 of rectangular shape, in cold wind preheating device 2
Provided with electric heater, cold wind enters cold wind preheating device 2 by the second air inlet 23, in the sky that the housing 24 of rectangular shape surrounds
In, exported after electric heater heat temperature raising by the second air outlet.Electric heater has efficiency of heating surface height, quick heating, made
The advantages that with long lifespan, cold wind can be brought rapidly up after entering cold wind preheater by the heating of electric heater, in the short time just
Predetermined temperature can be reached.
As shown in Fig. 2 an installation portion 22 is each provided with the side of the left and right of cold wind preheating device 2 two, each installation
Portion 22 is provided with four through holes 221, and four through holes 221 are distributed in two connection sheets of integrative-structure, and two connection sheets are vertical
Connection, the side of left and right two of cold wind preheating device 2 are each provided with corresponding two mounting holes, the left and right of the side plate 11 of housing 24
Both sides are also respectively provided with corresponding two mounting holes, and one of connection sheet of installation portion 22 is connected to cold wind by fastener 222
On the side of preheating device 2, another connection sheet is arranged on by fastener 222 on the side plate 11 of housing 24, is realized with this cold
The connection of wind preheating device 2 and housing 24.
As depicted in figs. 1 and 2, cold wind preheating device 2 is connected with the side plate 11 of casing 1, and installation process is simple, can be improved
The efficiency of assembling., can will be cold in addition, due to cold wind preheating device 2 and 1 non-integral structure of casing in maintenance or maintenance process
The junction of wind preheating device 2 and casing 1 disassembles, there is provided maintenance and the space checked, is easy to cold wind preheating device 2 and machine
The breakdown maintenance of shell 1 and investigation.
Air cleaning facility 100 also includes wind guiding component 3, as shown in figure 1, the front end of wind guiding component 3 is cylindric leads
Wind portion 31, rear end are the connecting portion 32 of tabular, and air dam 31 has the second hole, and connecting portion 32 is with the connected with air dam 31
One hole 311, is the 3rd air inlet 33 at the front end face in the second hole, and the rear end face in the second hole is the 3rd air outlet, the 3rd air outlet
Connected with the second air inlet 23.After outdoor cold wind is entered by the 3rd air inlet 33, cylindric air dam 31 has to cold wind to be gathered
Effect, flow velocity can be improved to a certain extent and forms negative pressure, is easy to the inflow of outdoor cold wind.
As depicted in figs. 1 and 2, air cleaning facility 100 can be fresh air machine, and outdoor cold wind gas is through the 3rd air inlet 33
Air inlet cleaning equipment 100, the second air inlet of cold wind preheating device 2 in communication is delivered to through the 3rd air outlet after
23, in the housing 24 of the rectangular-shape of cold wind preheating device 2, after the heating of electric heater, from the of cold wind preheating device 2
Two air outlets are delivered to the first air inlet of casing 1, and after purification of air is handled, indoor ring is delivered to by the first air outlet 13
Border.By setting cold wind preheating device 2, in the case where ambient temperature is relatively low, outdoor cold wind can after entering cold wind preheating device 2
To be heated, so as to improve the outdoor temperature to indoor air-supply, the indoor and outdoor temperature difference is reduced, improves user's indoor environment
Comfortableness.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
- A kind of 1. air cleaning facility, it is characterised in that including：Casing, the casing have the first air inlet and the first air outlet, and first air outlet is suitable to connect with indoor environment；Cold wind preheating device, the cold wind preheating device have the second air inlet and the second air outlet, and second air inlet is fitted Connected in the outdoor environment, second air outlet connects with first air inlet.
- 2. air cleaning facility according to claim 1, it is characterised in that first air inlet is located at the casing On side plate, the cold wind preheating device is connected with the side plate.
- 3. air cleaning facility according to claim 2, it is characterised in that the cold wind preheating device is provided with installation Portion, the installation portion are provided with multiple through holes, and the side plate is provided with multiple mounting holes corresponding with the through hole, the air Cleaning equipment also includes multiple fasteners, and the fastener is connected through the through hole with the mounting hole.
- 4. air cleaning facility according to claim 3, it is characterised in that the installation portion is multiple.
- 5. air cleaning facility according to claim 1, it is characterised in that the cold wind preheating device includes：Housing；Heating component, the heating component are located in the housing to heat the air in the housing.
- 6. air cleaning facility according to claim 5, it is characterised in that the heating component is electric heater.
- 7. air cleaning facility according to claim 1, it is characterised in that first air inlet and second air intake At least one air-inlet grille is provided with mouthful.
- 8. air cleaning facility according to claim 1, it is characterised in that also including wind guiding component, the wind guiding component With the 3rd air inlet and the 3rd air outlet, the 3rd air inlet connects with the outdoor environment, the 3rd air outlet with The second air inlet connection.
- 9. air cleaning facility according to claim 8, it is characterised in that the wind guiding component includes：Connecting portion, the connecting portion are formed as tabular, and the connecting portion is connected with the cold wind preheating device, on the connecting portion With the first hole connected with second air inlet, one end of the close cold wind preheating device in first hole is formed as 3rd air outlet；Air dam, the air dam are connected with the side of the remote cold wind preheating device of the connecting portion, the air dam With the second hole connected with first hole, one end of the remote connecting portion in second hole is formed as the described 3rd and entered Air port.
- 10. air cleaning facility according to claim 9, it is characterised in that the air dam is formed as cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756247.XA CN107449050A (en) | 2017-08-29 | 2017-08-29 | Air cleaning facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710756247.XA CN107449050A (en) | 2017-08-29 | 2017-08-29 | Air cleaning facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107449050A true CN107449050A (en) | 2017-12-08 |
Family
ID=60494468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710756247.XA Pending CN107449050A (en) | 2017-08-29 | 2017-08-29 | Air cleaning facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449050A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060177356A1 (en) * | 2005-02-08 | 2006-08-10 | Miller Gregory R | Positive pressure air purification and conditioning system |
| CN105247294A (en) * | 2013-05-08 | 2016-01-13 | 阿莫绿色技术有限公司 | Hot air blower having air cleaning function |
| CN205897353U (en) * | 2016-06-27 | 2017-01-18 | 河南花信科技有限公司 | Fresh air purifying device with heating device |
| CN206281074U (en) * | 2016-11-23 | 2017-06-27 | 深圳市前海大众鑫环保科技有限公司 | A kind of new blower fan of intelligent Total heat exchange |
| CN207162751U (en) * | 2017-08-29 | 2018-03-30 | 广东美的暖通设备有限公司 | Air cleaning facility |
-
2017
- 2017-08-29 CN CN201710756247.XA patent/CN107449050A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060177356A1 (en) * | 2005-02-08 | 2006-08-10 | Miller Gregory R | Positive pressure air purification and conditioning system |
| CN105247294A (en) * | 2013-05-08 | 2016-01-13 | 阿莫绿色技术有限公司 | Hot air blower having air cleaning function |
| CN205897353U (en) * | 2016-06-27 | 2017-01-18 | 河南花信科技有限公司 | Fresh air purifying device with heating device |
| CN206281074U (en) * | 2016-11-23 | 2017-06-27 | 深圳市前海大众鑫环保科技有限公司 | A kind of new blower fan of intelligent Total heat exchange |
| CN207162751U (en) * | 2017-08-29 | 2018-03-30 | 广东美的暖通设备有限公司 | Air cleaning facility |
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