CN105987475A - Positive-pressure air purification fresh air fan - Google Patents
Positive-pressure air purification fresh air fan Download PDFInfo
- Publication number
- CN105987475A CN105987475A CN201510050390.8A CN201510050390A CN105987475A CN 105987475 A CN105987475 A CN 105987475A CN 201510050390 A CN201510050390 A CN 201510050390A CN 105987475 A CN105987475 A CN 105987475A
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- air
- indoor
- fan
- filter
- support frame
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a positive-pressure air purification fresh air fan, which is reasonable and simple in structure, low in noise, capable of degrading VOC and sterilizing. A foamed nickel photocatalysis net is mounted in an engine cabinet, and a support frame, a sound insulation cavity, a fresh air cavity and an air return cavity are arranged in the engine cabinet. The outdoor air and the indoor air are mixed and purified by the fresh air fan or either indoor air or outdoor air is purified, and the purified air is fed back indoors again to keep indoor pressure positive. Outdoor polluted air is prevented from entering indoors, and indoor air quality is guaranteed. The fresh air fan is applicable to rooms where outdoor air is seriously polluted and indoor ventilation is in poor condition.
Description
Technical field
The present invention relates to the device of a kind of room ventilation and air cleaning.
Background technology
The time of people more than 80% stays in indoor, and room air as the most why not is affected by outdoor to receive publicity, and closes the doors and windows merely, and indoor environment only can be allowed more worse than outdoor.Because people is in airtight space, can produce many particulate matters, such as smog, saliva, dust, indoor furniture also can discharge organic pollution, cause the air in confined chamber than outdoor more hazardness.If merely at indoor use air exhauster past for room air outdoor row, outdoor undressed air will penetrate into indoor, will also result in indoor pollution.
Existing many families use indoor air cleaner, circular treatment room air, though the dust granules thing that can reduce in air, absorb formaldehyde, but can not remove other pollutant in air, and after using a period of time, efficiency reduces.In the case of not introducing new wind, indoor CO2 concentration and other pollutant levels all can raise.
The indoor fresh air air outlet of the most numerous new blower fans of monomer wall-hanging and indoor return air mouth are the most on one host, outdoor new wind air inlet and outdoor exhaust outlet are in same pipeline, this class formation is readily formed the short circuit of new wind, as too low in fruit product air quantity or wind speed, it is readily formed circulation of air flow in short-range, cause indoor fresh air amount to lose, and destroy indoor airflow field.
The total-heat exchanger that the most numerous new blower interior of monomer wall-hanging use is expensive and efficiency is low, is not suitable for the fresh air ventilator of little air quantity, in the winter time, if not new wind outside heating chamber, directly introduces new wind and will make indoor comfort degree degradation.
The method of indoor purifying air has drainage screen absorption, electrostatic precipitation, anion, uviol lamp and photocatalytic degradation etc. at present.Drainage screen absorption and electrostatic precipitation are mainly used in removing the suspended particulate substance in air, ability to removal antibacterial and organic pollution is limited, anion can decomposing organic matter to a certain extent, but it is susceptible to decompose the problem thoroughly not producing harmful side product, and not there is the function of sterilization, wherein uviol lamp and photocatalysis with the use of, in terms of sterilization and degraded volatile organic contaminant VOC, have more significantly effect.
Summary of the invention
Present invention aim at providing a kind of rational in infrastructure simple, noise is low, can degrade VOC and the new blower fan of the significant positive-pressure type of sterilization effect.
The present invention adopts the technical scheme that for achieving the above object: a kind of positive-pressure type purifies the new blower fan of air, including chassis lid, cabinet, air supply duct, fresh-air fan, return air fan, the first filter, the second filter, uviol lamp, nickel foam photocatalysis net, the 3rd filter, controller, it is characterized in that, it is divided into new wind chamber and return air chamber by partition wall in described cabinet bottom, cabinet inside arranges the first support frame, second support frame, 3rd support frame, cabinet inwall arranges sound insulation chamber, and cabinet upper surface is provided with indoor air outlet.
In the first described support frame, fix the first filter and the second filter the most successively, lamp socket is set in the second described support frame and fixes uviol lamp, in the second described support frame, fixed foam nickel photocatalysis net and the 3rd filter the most successively.
Described nickel foam photocatalysis net is the macroporous composite web with three-D space structure, including nickel foam substrate and the nano-TiO being supported on matrix surface.
In described air supply duct, sleeve pipe is set, heating rod, temperature sensor and air mass sensor are set in sleeve pipe, having metallic channel and vent on sleeve pipe, cabling is easy in the setting of metallic channel, the air circulation that the setting of vent is easy between sleeve pipe and air supply duct.
Described new wind chamber connects new wind air inlet, and wherein new wind air inlet is arranged on cabinet back, and is connected with air supply duct, and new wind intracavity arranges fresh-air fan.
Return air inlet in described return air chamber junction chamber, wherein indoor return air mouth is arranged on chassis lid, arranges fresh-air fan at return air intracavity.
Control display screen and indoor return air mouth are set at described chassis lid, control display screen back and be provided with described controller.
Described uviol lamp has one or more, and the wavelength of ultraviolet is at 250-450nm.
Cabinet is provided with the touching foot touching safety switch, and when opening chassis lid, touching foot separates, and controller deenergization can reach safe purpose.
Fill acoustical cotton, the noise that absorption blower fan and filtration core produce because of vibration at described sound insulation intracavity, reduce the noise that new blower fan produces.
At indoor air outlet, the rotating air grille of impeller, scalable air supply direction are set.
When the interior space is airtight, room air pressure constantly rises, and can select to install check-valves exhaust outlet.
The invention has the beneficial effects as follows:
(1) draught principle is utilized, introduce new wind, on the one hand indoor required oxygen is provided, dilution pollutant, on the other hand build indoor positive pressure environment, and outdoor dirty air is impermeable comes in, ensure that the quality of room air, when room pressure is too high, the valve of unidirectional exhaust check valve is rushed to open and carries out air draft, reaches to keep the effect of indoor suitable malleation；
(2) when air flows to the space between uviol lamp and nickel foam photocatalysis net, the ultraviolet light of uviol lamp radiation, TiO is excited to produce catalytic action, convert light energy into chemical energy, with the organic pollutant generation oxidation reaction in air, can degradable organic pollutant expeditiously, such as indoor VOC gas, can also degrade some inorganic pollutions, such as nitrogen oxides, have under normal temperature and pressure conditions carry out, response speed fast, flow resistance is low, efficiency height, non-secondary pollution, can process the advantages such as multiple toxic compounds；
(3) nickel foam photocatalysis net has tridimensional network, and porosity is up to 90%, and air drag is low, photocatalysis efficiency is high, and photocatalyst is fully distributed in nickel foam surface, and difficult drop-off is corrosion-resistant, all organic pollutions of almost degrading, and thoroughly kills antibacterial；
(4) new wind can be heated by this new blower fan in the winter time, it is ensured that indoor wind pushing temperature is unlikely to too low and affects indoor comfort degree；
(5) new wind and return air are carried out dust removal by filtration, degraded harmful gas and sterilization processing；Wherein the first filter, the second filter, the 3rd removable dust in air of filter, PM2.5, abnormal flavour etc.；
(6) this new blower fan can realize Automated condtrol, and the outdoor environment temperature detected or pollutant levels are beyond after certain limit, and fresh-air fan will quit work, and new blower fan only carries out indoor air purification, it is ensured that the healthiness of indoor environment；
(7) this new blower fan volume is little, may be installed the position such as wall, window, carries out air cleaning while blowing in parlor or room, if heavy-polluted place arranges air draft in toilet, kitchen etc., indoor will form rational air flow field.
Accompanying drawing explanation
Fig. 1 is new blower fan overall schematic.
Fig. 2 is new blower fan structure schematic diagram.
Fig. 3 is the schematic internal view that chassis lid pulled down by new blower fan.
Fig. 4 is the cabinet schematic diagram of new blower fan.
Fig. 5 is sleeve pipe schematic diagram.
Fig. 6 is check-valves exhaust outlet profile.
Detailed description of the invention
Below in conjunction with the accompanying drawings and present invention is further described by embodiment.
In conjunction with shown in Fig. 1 to Fig. 4, a kind of positive-pressure type purifies the new blower fan of air, including chassis lid 12, cabinet 13, air supply duct 14, fresh-air fan 21, return air fan 22, first filter 23, second filter 24, uviol lamp 25, nickel foam photocatalysis net 26, 3rd filter 27, controller 28, it is characterized in that, it is divided into new wind chamber 132 and return air chamber 134 by partition wall 133 in described cabinet 13 bottom, cabinet 13 is internal arranges the first support frame 135, second support frame 137, 3rd support frame 138, cabinet 13 inwall arranges sound insulation chamber 136, cabinet 13 upper surface is provided with indoor air outlet 139.
In the first described support frame 135, fix the first filter 23 and the second filter 24 the most successively, lamp socket (not shown) is set in the second described support frame 137 and fixes uviol lamp 25, in the 3rd described support frame 138, fixed foam nickel photocatalysis net 26 and the 3rd filter 27 the most successively.
Described nickel foam photocatalysis net 26 is the macroporous composite web with three-D space structure, including nickel foam substrate and the nano-TiO being supported on nickel foam substrate surface.
Described new wind chamber 132 connects new wind air inlet 131, and wherein new wind air inlet 131 is arranged on cabinet 13 back, and is connected with air supply duct 14, arranges fresh-air fan 21 in new wind chamber 132.
Return air inlet 122 in described chamber 134, return air chamber junction chamber, wherein indoor return air mouth 122 is arranged on chassis lid 12, arranges fresh-air fan 22 in return air chamber 134.
Control display screen 121 and indoor return air mouth 122 are set at described chassis lid 12, control display screen 121 back and be provided with described controller 28.
Shown in Fig. 5, sleeve pipe 15 is set in air supply duct 14, heating rod 16, temperature sensor 17 and air mass sensor 18 are set in sleeve pipe 15, metallic channel 151 and vent 152 is had on sleeve pipe 15, cabling is easy in the setting of metallic channel 151, the air circulation that the setting of vent 152 is easy between sleeve pipe and air supply duct.
Described uviol lamp 25 has one or more, and the wavelength of ultraviolet is at 250-450nm.
As a kind of preferred version, cabinet 13 is provided with the touching foot (not showing on figure) touching safety switch, and when opening chassis lid, touching foot separates, and controller deenergization can reach safe purpose.
As a kind of preferred version, in described sound insulation chamber 136, fill acoustical cotton, the noise that absorption blower fan and filtration core produce because of vibration, reduce the noise that new blower fan produces.
As a kind of preferred version, the rotating air grille of impeller 11, scalable air supply direction are set at indoor air outlet 139.
As a kind of preferred version, setting up check-valves exhaust outlet, when the interior space is airtight, room air pressure constantly rises, and can select to install check-valves exhaust outlet, structure as shown in Figure 6: circular air port 31, front apron 311, backboard 312, support shaft 32, flap 33.Check-valves exhaust outlet can be fixed on window-glass, it is also possible to is fixed on body of wall, can consider to install defecator (not showing on figure) in exhaust outlet, is used for preventing mosquito from entering indoor.
Its operation principle is: start new blower fan, and temperature sensor 17, air mass sensor 18 detect outdoor temperature and outdoor nitrous oxides concentration respectively, and show outdoor temperature and environmental quality grade respectively controlling display screen 121；nullIf unlatching automatic mode，In the winter time，When outdoor temperature is less than 10 ~ 15 DEG C，Controller 28 starts heating rod 16，In summer，When outdoor temperature is less than 31 ~ 34 DEG C，Fresh-air fan 21 is from the air inlet 131 new wind of inspiration，The return air introduced from indoor return air mouth 122 with return air fan 22 mixes，Through the first filter 23、Second filter 24、Uviol lamp 25、Nickel foam photocatalysis net 26、3rd filter 27、Air grille 11，Finally send into indoor，When outdoor temperature is higher than 31 ~ 34 DEG C，Controller 28 cuts off the power supply of fresh-air fan 21，Fresh-air fan 21 quits work，Return air fan 22 continues to purify the air of a room，If unlatching artificial mode，Fresh-air fan 21 can be controlled respectively、The startup of return air fan 22 and regulate respective wind speed，If using new blower fan in confined chamber，Check-valves air port can be installed，When room air pressure rises to a certain degree，Flap 33 is rushed to open，Room air discharges，Room pressure declines.
When filtration core needs to clean, changes, opening chassis lid 12, touching foot separates, and new blower fan, by forced interruption, extracts that filtration core is the most replaceable or cleaned filter element out, easy to maintenance, and provides safety assurance.
The invention has the beneficial effects as follows: (1) utilizes draught principle, introduce new wind, on the one hand indoor required oxygen is provided, dilution pollutant, on the other hand build indoor positive pressure environment, and outdoor dirty air is impermeable comes in, ensure that the quality of room air, when room pressure is too high, the valve of unidirectional exhaust check valve is rushed to open and carries out air draft, reaches to keep the effect of indoor suitable malleation；(2) when air flows to the space between uviol lamp and TiO nickel foam photocatalysis net, uviol lamp ultraviolet light radiation, TiO is excited to produce catalytic action, convert light energy into chemical energy, with the organic pollutant generation oxidation reaction in air, can degradable organic pollutant expeditiously, such as indoor VOC gas, can also degrade some inorganic pollutions, such as nitrogen oxides, have under normal temperature and pressure conditions carry out, response speed fast, flow resistance is low, efficiency height, non-secondary pollution, can process the advantages such as multiple toxic compounds；(3) nickel foam photocatalysis net has tridimensional network, and porosity is up to 90%, and air drag is low, photocatalysis efficiency is high, photocatalyst is fully distributed in nickel foam surface, difficult drop-off, and corrosion resistance is strong, almost can degrade all organic pollutions, thoroughly kill antibacterial；(4) new wind can be heated by this new blower fan in the winter time, it is ensured that indoor wind pushing temperature is unlikely to too low and affects indoor comfort degree；(5) new wind and return air are carried out dust removal by filtration, degraded harmful gas and sterilization processing；Wherein the first filter, the second filter, the 3rd removable dust in air of filter, abnormal flavour etc.；(6) this new blower fan can realize Automated condtrol, and the outdoor environment temperature detected or pollutant levels are beyond after certain limit, and fresh-air fan will quit work, and new blower fan only carries out indoor air purification, it is ensured that the healthiness of indoor environment；(7) this new blower fan volume is little, may be installed the position such as wall, window, carries out air cleaning while blowing in parlor or room, if heavy-polluted place arranges air draft in toilet, kitchen etc., indoor will form rational air flow field.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; as changed structure and the quantity of support frame; change the quantity of filter, change the quantity etc. of heating rod; the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify; it is the technical scheme of equivalence, within being included in protection scope of the present invention.
Claims (6)
1. the new blower fan of a positive-pressure type purification air, including chassis lid, cabinet, air supply duct, fresh-air fan, return air fan, the first filter, the second filter, uviol lamp, nickel foam photocatalysis net, the 3rd filter, controller, it is characterized in that, it is divided into new wind chamber and return air chamber by partition wall in described cabinet bottom, cabinet inside arranges the first support frame, the second support frame, the 3rd support frame, cabinet inwall arranges sound insulation chamber, and cabinet upper surface is provided with indoor air outlet.
New blower fan the most according to claim 1, it is characterized in that, in the first described support frame, fix the first filter and the second filter the most successively, in the second described support frame, lamp socket is set and fixes uviol lamp, in the 3rd described support frame, fixed foam nickel photocatalysis net and the 3rd filter the most successively.
New blower fan the most according to claim 1, is characterized in that, described nickel foam photocatalysis net is the macroporous composite web with three-D space structure, including nickel foam substrate and the nano-TiO being supported on matrix surface.
New blower fan the most according to claim 1, it is characterized in that, in described air supply duct, sleeve pipe is set, heating rod, temperature sensor and air mass sensor are set in sleeve pipe, metallic channel and vent is had on sleeve pipe, cabling is easy in the setting of metallic channel, the air circulation that the setting of vent is easy between sleeve pipe and air supply duct.
New blower fan the most according to claim 1, is characterized in that, described new wind chamber connects new wind air inlet, and wherein new wind air inlet is arranged on cabinet back, and is connected with air supply duct, arranges fresh-air fan at new wind intracavity.
New blower fan the most according to claim 1, is characterized in that, return air inlet in described chamber, return air chamber junction chamber, wherein indoor return air mouth is arranged on chassis lid, arranges fresh-air fan at return air intracavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050390.8A CN105987475A (en) | 2015-02-02 | 2015-02-02 | Positive-pressure air purification fresh air fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510050390.8A CN105987475A (en) | 2015-02-02 | 2015-02-02 | Positive-pressure air purification fresh air fan |
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| Publication Number | Publication Date |
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| CN105987475A true CN105987475A (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510050390.8A Pending CN105987475A (en) | 2015-02-02 | 2015-02-02 | Positive-pressure air purification fresh air fan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765626A (en) * | 2016-11-11 | 2017-05-31 | 王文忠 | A kind of agricultural greenhouse fresh air air purifier |
| CN109708241A (en) * | 2019-02-01 | 2019-05-03 | 广东美的暖通设备有限公司 | New blower |
| US11074899B2 (en) | 2018-03-15 | 2021-07-27 | International Business Machines Corporation | VOC sequestering acoustic foam |
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Patent Citations (8)
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| JP4145922B2 (en) * | 2003-02-14 | 2008-09-03 | 嘉明 金谷 | Exhaust method and local ventilation method, and exhaust device, local ventilator and ventilation system |
| KR100765164B1 (en) * | 2006-06-26 | 2007-10-12 | 삼성전자주식회사 | Method for controlling operation of ventilating apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765626A (en) * | 2016-11-11 | 2017-05-31 | 王文忠 | A kind of agricultural greenhouse fresh air air purifier |
| US11074899B2 (en) | 2018-03-15 | 2021-07-27 | International Business Machines Corporation | VOC sequestering acoustic foam |
| US11562725B2 (en) | 2018-03-15 | 2023-01-24 | International Business Machines Corporation | VOC sequestering acoustic foam |
| CN109708241A (en) * | 2019-02-01 | 2019-05-03 | 广东美的暖通设备有限公司 | New blower |
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