CN203628838U - Indoor fresh air purification system - Google Patents
Indoor fresh air purification system Download PDFInfo
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- CN203628838U CN203628838U CN201320644363.XU CN201320644363U CN203628838U CN 203628838 U CN203628838 U CN 203628838U CN 201320644363 U CN201320644363 U CN 201320644363U CN 203628838 U CN203628838 U CN 203628838U
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Abstract
The utility model discloses an indoor fresh air purification system which comprises an air filter, an air supply fan, an air exhaust fan, a control component and a detection component. The air supply fan is used for sucking in air filtered through the air filter into a room, the air exhaust fan is used for extracting the indoor air out of the room, the detection component is used for detecting content of indoor pollution gases, at least one of the air supply fan and the air exhaust fan is the speed-adjustable fan, and the control component transmits control instruction to the speed-adjustable fan according to detection signals of the detection component so as to control supply air rate or/and exhaust air rate and adjust indoor and outdoor differential pressure. The indoor fresh air purification system is simple in structure, low in cost, easy to implement and good in purification result.
Description
Technical field
The utility model relates to indoor fresh air purification techniques, relates in particular to a kind of cleaning system purifying for indoor fresh air.
Background technology
At present, a lot of family, factory building, workshop etc. are useful indoor fresh air cleaning system, provide clean air ambient for indoor.Indoor fresh air cleaning system has generally comprised air filter machine and new blower fan group, in new blower fan group, be provided with air intake blower fan and exhaust fan, (PM2.5 concentration is far below air quality standard required standard value for the air after air filter machine is filtered for air intake blower fan, for example: be 98% to the filter efficiency of PM2.5) suction is indoor, exhaust fan is for being drawn to outdoor by indoor air, form air circulation, to reach the object that reduces indoor PM2.5 concentration.
But, from current result of use, use after this indoor fresh air cleaning system, although the personnel in room feel as snug as a bug in a rug, if detected with instrumentation, will find to only have the PM2.5 ≈ 10ug/m at close blower fan group place in room
3, and in room other local PM2.5 considerably beyond 10ug/m
3, reached 30 ug/m
3so fresh air purifying resultant effect is unsatisfactory.Therefore the comprehensive purifying effect that, how to improve indoor fresh air cleaning system is to need at present the problem of solution badly.
Utility model content
The technical problems to be solved in the utility model is: the deficiency existing for prior art, provide a kind of simple in structure, with low cost, be easy to realization, good purification, in the indoor indoor fresh air cleaning system of taking into account comfortableness and air purity.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of indoor fresh air cleaning system, comprise air filter machine, for the indoor air intake blower fan of air suction after air filter machine is filtered, for room air being drawn to outdoor exhaust fan, also comprise Control Component and the detection components for detection of indoor polluted gas content, in described air intake blower fan and exhaust fan, at least one is adjustable speed blower fan, described Control Component according to the detection signal sending controling instruction of detection components to adjustable speed blower fan to control intake or/and exhaust air rate, conditioning chamber inside and outside differential pressure.
Further improvement as technique scheme:
Described adjustable speed blower fan is stepless speed regulating blower fan.
Compared with prior art, the utility model has the advantage of: indoor fresh air cleaning system of the present utility model, carry out the pressure differential inside and outside conditioning chamber by controlling adjustable speed blower fan, in the time that detection components detects indoor polluted gas content higher than preset value, Control Component will be automatically by the indoor negative pressure state that is adjusted to, indoor contaminated gas with negative pressure fast discharged to outdoor; In the time that detection components detects indoor polluted gas content lower than preset value, Control Component will be automatically by the indoor malleation (approximately 4-8Pa) that is adjusted to, to guarantee that indoor air ambient is all to process and form through fresh air purifying, the outdoor new wind that undressed, microparticle content is higher is repelled outdoor by indoor pressure-fired, through suitable ventilation cycle, indoor PM2.5 concentration everywhere will approach or reach the index in air intake blower fan exit.So, indoor fresh air cleaning system of the present utility model, can utilize indoor positive pressure to prevent that outdoor unfiltered air from entering indoor and affecting IAQ from gap, room, can utilize again outside the peculiar smell and the timely discharge chamber of poisonous and harmful substance that indoor negative pressure gives out the crowd by indoor, furniture and ornament etc., thereby effectively improve fresh air purifying effect, strengthened the comfortableness of indoor environment.Indoor fresh air cleaning system of the present utility model only need be set up detection components and Control Component on the basis of existing VMC, and by air intake blower fan or/and exhaust fan adopts adjustable speed blower fan, simple in structure, with low cost, be easy to realization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model in concrete application example.
Fig. 2 is the control principle drawing of the utility model embodiment 1.
Fig. 3 is the control principle drawing of the utility model embodiment 2.
Fig. 4 is the control principle drawing of the utility model embodiment 3.
Marginal data: 1, air filter machine; 2, air intake blower fan; 3, exhaust fan; 4, Control Component; 5, detection components; 6, room.
The specific embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail.
As shown in Figures 1 to 4, indoor fresh air cleaning system of the present utility model, comprises air filter machine 1, air intake blower fan 2, exhaust fan 3, Control Component 4 and detection components 5.Air filter machine 1 is positioned over outdoor, for outdoor air is filtered.Air intake blower fan 2 and exhaust fan 3 are installed on the wall in room 6, and air filter machine 1 is positioned at the below of air intake blower fan 2; Air intake blower fan 2 is indoor for the air suction after air filter machine 1 is filtered, and exhaust fan 3 is outdoor for room air is drawn to, and forms air circulation.Control Component 4 is connected with detection components 5, and detection components 5 is for real-time sensing chamber internal contamination gas content.In air intake blower fan 2 and exhaust fan 3, at least one is adjustable speed blower fan, preferably stepless speed regulating blower fan.Control Component 4 according to the detection signal sending controling instruction of detection components 5 to adjustable speed blower fan to control intake or/and exhaust air rate, conditioning chamber inside and outside differential pressure.When indoor polluted gas content is during lower than preset value, control adjustable speed blower fan by the indoor barotropic state that is adjusted to by Control Component 4; When indoor polluted gas content is during higher than preset value, control adjustable speed blower fan by the indoor negative pressure state that is adjusted to by Control Component 4.
Due to indoor be the place of personnel's centralized activity, relative closure, circulation of air is far inferior to outdoor, particularly in the time that the indoor stream of people, furniture, ornament etc. give out peculiar smell or toxic and harmful, just more need these indoor dusty gas to discharge, send into outdoor new wind, to guarantee the comfortableness of indoor environment simultaneously.But due to outdoor periodic haze, in air, PM2.5 is dense, thus must by air filter machine 1 to outdoor air filter, after filtering PM2.5 microparticle, send into again indoor, to guarantee to send into the quality of room air.
But, use the PM2.5 ≈ 10ug/m that only has close air intake blower fan 2 exits after air filter machine 1
3, and in room other local PM2.5 considerably beyond 10ug/m
3, reached 30 ug/m
3, analyze its reason and think it may is that indoor original air PM2.5 concentration is higher, outside the incomplete discharge chamber of original microparticle, but after long fresh air supply, find that indoor PM2.5 concentration is still higher, fail all the time to decline.Just find through a large amount of experimental studies, enabled after air filter machine 1, room pressure is lower than outdoor air pressure, and outdoor air will directly enter indoor from the door and window gap in room, causes indoor PM2.5 concentration to raise, and air quality declines.Cause room pressure lower than the reason of outdoor air pressure: air intake blower fan 2 and exhaust fan 3 all adopt the at the uniform velocity blower fan of constant power at present, the air air filter machine 1 filters from the indoor air of air intake blower fan 2 suction, air filter machine 1 has formed certain windage, therefore air quantity will be less than exhaust air rate, causes room pressure lower than outdoor air pressure.
Therefore, the utility model is set to adjustable speed blower fan by least one in air intake blower fan 2 and exhaust fan 3, control adjustable speed blower fan by the indoor barotropic state that is adjusted to by Control Component 4, to guarantee that entering indoor new wind is all the air after air filter machine 1 filters, the outdoor new wind that undressed, microparticle content is higher is repelled outdoor by indoor positive pressure, through suitable ventilation cycle, indoor PM2.5 concentration everywhere will approach or reach the index in air intake blower fan 2 exits.
But long-term barotropic state can cause indoor dusty gas not discharge in time, dusty gas content increases gradually, and indoor environment comfort level declines gradually.Now, need control adjustable speed blower fan by the indoor negative pressure state that is adjusted to by Control Component 4, make indoor dusty gas fast discharged to outdoor, indoor environmental degree of comfort will take a turn for the better gradually.So, the utility model constantly regulates indoor and outdoor pressure reduction according to the signal feedback of detection components 5, in control room, PM2.5 concentration and dusty gas content are all tending towards safe range the most at last, in guaranteeing that indoor PM2.5 concentration declines comprehensively, can guarantee indoor environmental degree of comfort, greatly promote the combination property of indoor fresh air cleaning system.
Figure 2 shows that the control principle drawing of the utility model indoor fresh air cleaning system embodiment 1, in the present embodiment, air intake blower fan 2 is adjustable speed blower fan, exhaust fan 3 is blower fan at the uniform velocity, in the time that detection components 5 detects indoor polluted gas content lower than preset value, Control Component 4 is controlled air intake blower fan 2 speedups, make intake be greater than exhaust air rate, by the indoor barotropic state that is adjusted to, now the air of outdoor filtered just can not enter indoor from 6 gaps, room, thereby make can be diffused into everywhere indoor by the indoor air of air intake blower fan 2 suction, guarantee that indoor PM2.5 everywhere all can reach requirement.In the time that detection components 5 detects indoor polluted gas content higher than preset value, Control Component 4 is controlled air intake blower fan 2 and is slowed down, and makes intake be less than exhaust air rate, and by the indoor negative pressure state that is adjusted to, now dusty gas just can be fast discharged to outdoor.
Figure 3 shows that the control principle drawing of another embodiment 2 of the utility model indoor fresh air cleaning system, in this enforcement, air intake blower fan 2 is blower fan at the uniform velocity, exhaust fan 3 is adjustable speed blower fan, in the time that detection components 5 detects indoor polluted gas content lower than preset value, Control Component 4 is controlled exhaust fan 3 and is slowed down, make exhaust air rate be less than intake, by the indoor barotropic state that is adjusted to, now the air of outdoor filtered just can not enter indoor from 6 gaps, room, thereby make can be diffused into everywhere indoor by the indoor air of air intake blower fan 2 suction, guarantee that indoor PM2.5 everywhere all can reach requirement.In the time that detection components 5 detects indoor polluted gas content higher than preset value, Control Component 4 is controlled exhaust fan 3 speedups, makes exhaust air rate be greater than intake, and by the indoor negative pressure state that is adjusted to, now dusty gas just can be fast discharged to outdoor.
Figure 4 shows that the control principle drawing of another embodiment 3 of the utility model indoor fresh air cleaning system, in this enforcement, air intake blower fan 2 and exhaust fan 3 are adjustable speed blower fan, in the time that detection components 5 detects indoor polluted gas content lower than preset value, Control Component 4 is controlled air intake blower fan 2 speedups or/and exhaust fan 3 slows down, make intake be greater than exhaust air rate, by the indoor barotropic state that is adjusted to, now the air of outdoor filtered just can not enter indoor from 6 gaps, room, thereby make can be diffused into everywhere indoor by the indoor air of air intake blower fan 2 suction, guarantee that indoor PM2.5 everywhere all can reach requirement.In the time that detection components 5 detects indoor polluted gas content higher than preset value, Control Component 4 controls that air intake blower fan 2 slows down or/and exhaust fan 3 speedups, make intake be less than exhaust air rate, by the indoor negative pressure state that is adjusted to, now dusty gas just can be fast discharged to outdoor.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, should be considered as protection domain of the present utility model.
Claims (2)
1. an indoor fresh air cleaning system, comprise air filter machine (1), for the indoor air intake blower fan (2) of air suction after air filter machine (1) is filtered, for room air is drawn to outdoor exhaust fan (3), it is characterized in that: also comprise Control Component (4) and the detection components (5) for detection of indoor polluted gas content, in described air intake blower fan (2) and exhaust fan (3), at least one is adjustable speed blower fan, described Control Component (4) according to the detection signal sending controling instruction of detection components (5) to adjustable speed blower fan with control intake or/and exhaust air rate, conditioning chamber inside and outside differential pressure.
2. indoor fresh air cleaning system according to claim 1, is characterized in that: described adjustable speed blower fan is stepless speed regulating blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644363.XU CN203628838U (en) | 2013-10-18 | 2013-10-18 | Indoor fresh air purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320644363.XU CN203628838U (en) | 2013-10-18 | 2013-10-18 | Indoor fresh air purification system |
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| Publication Number | Publication Date |
|---|---|
| CN203628838U true CN203628838U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320644363.XU Expired - Fee Related CN203628838U (en) | 2013-10-18 | 2013-10-18 | Indoor fresh air purification system |
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| CN (1) | CN203628838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833035A (en) * | 2015-03-18 | 2015-08-12 | 北京金鼎达科技发展有限公司 | Intelligent air purification system and intelligent air purification method |
-
2013
- 2013-10-18 CN CN201320644363.XU patent/CN203628838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833035A (en) * | 2015-03-18 | 2015-08-12 | 北京金鼎达科技发展有限公司 | Intelligent air purification system and intelligent air purification method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151110 Address after: 201802 Shanghai City, Jiading District Zhong Ren Lu B No. 399 room 1210 Patentee after: Ruofu Intelligent Technology (Shanghai) Co.,Ltd. Address before: 410205 Hunan Xicheng Huaxing science and Technology Development Co., Ltd., Changsha, Yuelu District, Hunan Province, 888, azalea Road, China Patentee before: Dai Ruofu |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |