CN203298411U - Fresh air system improving indoor air cleanliness - Google Patents
Fresh air system improving indoor air cleanliness Download PDFInfo
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- CN203298411U CN203298411U CN2013203092576U CN201320309257U CN203298411U CN 203298411 U CN203298411 U CN 203298411U CN 2013203092576 U CN2013203092576 U CN 2013203092576U CN 201320309257 U CN201320309257 U CN 201320309257U CN 203298411 U CN203298411 U CN 203298411U
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Abstract
The utility model discloses a fresh air system improving indoor air cleanliness. The fresh air system improving the indoor air cleanliness comprises a conventional fresh air system body and at least one set of bypass fresh air system body. The conventional fresh air system body comprises a fresh air pipe communicated with an air handling unit, a first fresh air valve and a first fresh air filter, wherein the first fresh air valve and the first fresh air filter are sequentially arranged inside the fresh air pipe in the air supply direction. The bypass fresh air system body comprises a bypass fresh air pipe communicated with the fresh air pipe, a second first fresh air valve, fresh air filters of at least two levels and a fresh air fan, wherein the second first fresh air valve, the fresh air filters of at least two levels and the fresh air fan are sequentially arranged inside the bypass fresh air pipe in the air supply direction. The filter efficiency of the fresh air filters of at least two levels inside the bypass fresh air pipe is sequentially increased in the air supply direction. The air inlet of the bypass fresh air pipe is communicated with the section, in front of the first fresh air valve, of the fresh air pipe, and the air outlet of the bypass fresh air pipe is communicated with the section, in back of the first fresh air valve, of the fresh air pipe. According to the fresh air system improving the indoor air cleanliness, the bypass fresh air system body is arranged, and therefore particulate pollution of the indoor environment under the hazy weather can be controlled, the air conditioning system resistance under the working condition at ordinary times is not increased, operation is economical, and control is simple and convenient.
Description
Technical field
The utility model relates to the central air-conditioning system technical field, particularly a kind of VMC of controlling that the indoor particle thing is polluted.
Background technology
Haze weather has just like become keyword very active on the recent months media, and China is the with serious pollution country of PM2.5, and integral body is PM2.5 high pollution situation, and coastal area is polluted particularly remarkable.And along with the development of economy, the increasing sharply of city automobile recoverable amount, urban atmosphere small particles thing proportion constantly increases, and more should pay close attention to the harm of PM2.5 to health.Yet most people spent indoor 70%～90% time, and the investigation of CCTV.com website also shows: have nearly 1/5 people under the central air conditioning environment, to stay over 8h every day.Therefore the Center for Disease Control thinks that room air pollution surpasses outdoor air pollution to the harm of human body.And the expert points out that the room air Particulate Pollution accounts for 76% of whole room air pollution, and developing country is even more serious than developed country.So it is even more important on the impact of health that control room endoparticle thing pollutes.
The tradition central air-conditioning system is controlled the indoor particle substrate concentration by air cleaner is set, but in fact, outdoor particle concentration is constantly to change, especially at some special haze weather, outdoor particle concentration is ten several times under normal circumstances, so in this period, still utilize traditional air-conditioner filtering system, the effective particle in new wind outside filter chamber; If when central air-conditioning system designs, just select the filter that efficiency is very high, can cause resistance excessive, the phenomenon that operating cost is higher.Visible, traditional central air conditioning filtration system exists and can not meet the haze weather shortcoming that control requires to the indoor particle thing.
Chinese patent (publication number is CN101418973B) discloses a kind of air-conditioning box of removing the air molecule pollution thing, and it is in order to meet the filtration requirement of molecular contaminants in air, is provided with junior middle school to imitate filter, high efficiency particulate air filter and water smoke purging system.But under the outer meteorological operating mode of itself and unresolved different chamber, the control problem of comfort air conditioning system system chambers endoparticle thing pollution.
Chinese patent (publication number is CN102141276B) discloses a kind of the have air-conditioning box of active antidusting function and the active antidusting method of air-conditioning box, it mainly consists of nonwoven belt, driving pump, dust blowing brush, surface cooler, electric heater, pressure fan, compression pump, conveyer, the mechanical, electrical magnetic field impulse valve of material level, pulse control instrument, casing, and what quasi-solution was determined is the air-conditioning box failure problems that under Sand Dust Environment, plugged filter causes.Visible, it is also outside unresolved different chamber under meteorological operating mode, the control problem that comfort air conditioning system system chambers endoparticle thing pollutes.
The utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of and can control haze weather indoor environment Particulate Pollution, but do not increase the VMC of operating mode air-conditioning system resistance at ordinary times.
The technical scheme of the utility model technology is achieved in that a kind of VMC that improves the room air cleanliness factor, it is characterized in that: comprise conventional VMC and at least one group of bypass VMC;
Described conventional VMC comprise the fresh wind tube that is communicated with air-conditioning box and along air supply direction be set in turn in fresh wind tube the first new air-valve and the first new wind filter;
Described bypass VMC comprises the bypass fresh wind tube that is communicated with fresh wind tube and is set in turn in the new air-valve of second in the bypass fresh wind tube, the new wind filter of two-stage and new wind blower fan at least along air supply direction, the new wind filter of two-stage at least in described bypass fresh wind tube increases successively along the air supply direction filter efficiency, the air inlet of described bypass fresh wind tube is communicated with the fresh wind tube duct section before the first new air-valve, and its air outlet is communicated with the fresh wind tube duct section after the first new air-valve.
The VMC of raising room air cleanliness factor described in the utility model, the air outlet of its described bypass fresh wind tube is communicated with the fresh wind tube duct section after the first new wind filter.
The VMC of raising room air cleanliness factor described in the utility model, it is in described bypass fresh wind tube, be disposed with the second new wind filter and the 3rd new wind filter along air supply direction, and the filter efficiency of the described second new wind filter is less than the filter efficiency of the 3rd new wind filter.
The VMC of raising room air cleanliness factor described in the utility model, its described second new air-valve is arranged on the air inlet place of bypass fresh wind tube, and described new wind blower fan is arranged on the air outlet place of bypass fresh wind tube.
The VMC of raising room air cleanliness factor described in the utility model, it is divided into mixing section, main fillter section, interlude, surface cooling section, fan section and muffler section successively in described air-conditioning box, described mixing section is communicated with fresh wind tube and backwind tube respectively, in described backwind tube, be provided with return air filter, described muffler section is communicated with indoor by ajutage.
The utility model is by setting up the bypass VMC on conventional VMC, under operating mode at ordinary times, adopt conventional VMC and close the bypass VMC, and under haze weather operating mode, open the bypass VMC and close conventional VMC, thereby by the bypass VMC, control haze weather indoor environment Particulate Pollution, and do not increase operating mode air-conditioning system resistance at ordinary times, economical operation and control simple and convenient.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is new wind ratio filter effect comparison structure schematic diagram while being 15%.
Fig. 3 is new wind ratio filter effect comparison structure schematic diagram while being 20%.
Reference numeral: 1 is fresh wind tube, and 2 is the first new air-valve, and 3 is the first new wind filter, 4 is the bypass fresh wind tube, and 5 is the second new air-valve, and 6 is new wind blower fan, 7 is the second new wind filter, and 8 is the 3rd new wind filter, and 9 is mixing section, 10 is backwind tube, and 11 is return air filter, and 12 is main fillter section, 13 is interlude, and 14 is surface cooling section, and 15 is fan section, 16 is muffler section, and 17 is ajutage.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model technology is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in the restriction utility model.
As shown in Figure 1, a kind of VMC that improves the room air cleanliness factor, comprise conventional VMC and at least one group of bypass VMC.
Described conventional VMC comprise the fresh wind tube 1 that is communicated with air-conditioning box and along air supply direction be set in turn in fresh wind tube 1 the first new air-valve 2 and the first new wind filter 3; Described bypass VMC comprises the bypass fresh wind tube 4 that is communicated with fresh wind tube 1 and is set in turn in second new air-valve the 5, second new wind filter 7, the 3rd new wind filter 8 and the new wind blower fan 6 in bypass fresh wind tube 4 along air supply direction, the filter efficiency of the described second new wind filter 7 is less than the filter efficiency of the 3rd new wind filter 8, the air inlet of described bypass fresh wind tube 4 is communicated with fresh wind tube 1 duct section before the first new air-valve 2, and its air outlet is communicated with fresh wind tube 1 duct section after the first new wind filter 3.The described second new air-valve 5 is arranged on the air inlet place of bypass fresh wind tube 4, and described new wind blower fan 6 is arranged on the air outlet place of bypass fresh wind tube 4.
Wherein, in described air-conditioning box, be divided into successively mixing section 9, main fillter section 12, interlude 13, surface cooling section 14, fan section 15 and muffler section 16, described mixing section 9 is communicated with fresh wind tube 1 and backwind tube 10 respectively, in described return air 10, be provided with return air filter 11, described muffler section 16 is communicated with indoor by ajutage 17.
Progress control method of the present utility model is: under operating mode at ordinary times, the described first new air-valve is opened, and the second new air-valve cuts out, new wind is introduced by fresh wind tube, after filtering, the first new wind filter sends into mixing section, and mix with the return air that filters through return air filter of being sent back to by backwind tube, then successively after main fillter section, interlude, surface cooling section, fan section, muffler section carry out cleanliness factor and hot wet process, through ajutage, send into indoor.The particle concentration such as PM2.5 during due to the design of, central air-conditioning system, namely carried out air cleaning calculating, so in air-supply, can meet the air-supply standard.
Under haze weather operating mode, the described second new air-valve is opened with new wind blower fan, and the first new air-valve cuts out, new wind is introduced by fresh wind tube, new wind is sent into mixing section successively after the second new wind filter and the 3rd new wind filter filtration, and mix with the return air that filters through return air filter of being sent back to by backwind tube, then successively after main fillter section, interlude, surface cooling section, fan section, muffler section carry out cleanliness factor and hot wet process, through ajutage, send into indoor.
To sum up, under the haze weather condition, the utility model filters by the bypass VMC is set, and can control haze weather indoor environment Particulate Pollution, and does not increase operating mode air-conditioning system resistance at ordinary times, economical operation and control simple and convenient.
Specific embodiment: certain city's supermarket building, air conditioning area are 6000m
2, adopting whole year operation primary retirn air system, new wind ratio is 15%-20%.Total blast volume Q=242686m
3/ h, return air amount Q1=206283 m
3/ h, resh air requirement Q2=36403 m
3/ h, return air particle PM2.5 concentration 0.075mg/m
3.Outdoor new wind particle PM2.5 concentration normal condition is 0.075 mg/m
3, during haze weather, outdoor particle concentration is 0.2-1.0 mg/m
3Between the fluctuation, the filter efficiency of the first new wind filter is 5%, the filter efficiency of return air filter is 5%, the filter efficiency of the second new wind filter is that the filter efficiency of the 5% and the 3rd new wind filter is 35%, main filter clogging effect is 35%, traditional air-conditioning system and the utility model are under the haze weather condition, and in air-supply, the concentration of particle PM2.5 as shown in Figures 2 and 3.From Fig. 2 and Fig. 3, finding out, no matter in the situation that new wind ratio is 15% or 20%, in air-supply of the present utility model, particle concentration all is starkly lower than traditional air-conditioning system, and the indoor particle substrate concentration is controlled and played good catharsis.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a VMC that improves the room air cleanliness factor, is characterized in that: comprise conventional VMC and at least one group of bypass VMC;
Described conventional VMC comprise the fresh wind tube (1) that is communicated with air-conditioning box and along air supply direction be set in turn in fresh wind tube (1) the first new air-valve (2) and the first new wind filter (3);
Described bypass VMC comprises the bypass fresh wind tube (4) that is communicated with fresh wind tube (1) and is set in turn in the second new air-valve (5) in bypass fresh wind tube (4), the new wind filter of two-stage and new wind blower fan (6) at least along air supply direction, the new wind filter of two-stage at least in described bypass fresh wind tube (4) increases successively along the air supply direction filter efficiency, the air inlet of described bypass fresh wind tube (4) is communicated with the first new air-valve (2) fresh wind tube (1) duct section before, and its air outlet is communicated with the first new air-valve (2) fresh wind tube (1) duct section afterwards.
2. the VMC of raising room air cleanliness factor according to claim 1, it is characterized in that: the air outlet of described bypass fresh wind tube (4) is communicated with the first new wind filter (3) fresh wind tube (1) duct section afterwards.
3. the VMC of raising room air cleanliness factor according to claim 1 and 2, it is characterized in that: in described bypass fresh wind tube (4), along air supply direction, be disposed with the second new wind filter (7) and the 3rd new wind filter (8), the filter efficiency of the described second new wind filter (7) is less than the filter efficiency of the 3rd new wind filter (8).
4. the VMC of raising room air cleanliness factor according to claim 3, it is characterized in that: the described second new air-valve (5) is arranged on the air inlet place of bypass fresh wind tube (4), and described new wind blower fan (6) is arranged on the air outlet place of bypass fresh wind tube (4).
5. the VMC of raising room air cleanliness factor according to claim 4, it is characterized in that: in described air-conditioning box, be divided into successively mixing section (9), main fillter section (12), interlude (13), surface cooling section (14), fan section (15) and muffler section (16), described mixing section (9) is communicated with fresh wind tube (1) and backwind tube (10) respectively, in described backwind tube (10), be provided with return air filter (11), described muffler section (16) is communicated with indoor by ajutage (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203092576U CN203298411U (en) | 2013-05-31 | 2013-05-31 | Fresh air system improving indoor air cleanliness |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203092576U CN203298411U (en) | 2013-05-31 | 2013-05-31 | Fresh air system improving indoor air cleanliness |
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| CN203298411U true CN203298411U (en) | 2013-11-20 |
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| CN2013203092576U Withdrawn - After Issue CN203298411U (en) | 2013-05-31 | 2013-05-31 | Fresh air system improving indoor air cleanliness |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267326A (en) * | 2013-05-31 | 2013-08-28 | 中国建筑西南设计研究院有限公司 | Fresh air system for improving indoor air cleanliness and operation control method thereof |
| CN103644600A (en) * | 2013-12-09 | 2014-03-19 | 中国建筑科学研究院 | Intelligent purifying and bacteriostatic air processing unit |
| CN104456870A (en) * | 2014-12-11 | 2015-03-25 | 重庆大学 | Fresh air and return air adjusting method and device for air-conditioning systems |
| CN104501309A (en) * | 2014-11-25 | 2015-04-08 | 广州朗思威环境科技股份有限公司 | Indoor ceiling type haze removing fan |
| CN105276716A (en) * | 2014-11-27 | 2016-01-27 | 上海市建筑科学研究院(集团)有限公司 | Fresh-air air conditioner system high in filtering efficiency and low in running energy consumption |
| CN105318425A (en) * | 2014-11-27 | 2016-02-10 | 上海市建筑科学研究院(集团)有限公司 | High-filtration-efficiency and low-operating-energy-consumption combined air-conditioning system with fresh air sections for treatment |
| CN108151144A (en) * | 2017-12-23 | 2018-06-12 | 苏州希尔盖森新材料有限公司 | A kind of intelligent fresh air is supplied gas purifier |
| CN109737548A (en) * | 2019-03-06 | 2019-05-10 | 上海朗绿建筑科技股份有限公司 | A kind of fresh air system of self-adaption constant positive pressure |
| CN113587334A (en) * | 2021-07-29 | 2021-11-02 | 江苏净松环境科技有限公司 | High-pressure sterilization module and fresh air system thereof |
-
2013
- 2013-05-31 CN CN2013203092576U patent/CN203298411U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267326A (en) * | 2013-05-31 | 2013-08-28 | 中国建筑西南设计研究院有限公司 | Fresh air system for improving indoor air cleanliness and operation control method thereof |
| CN103267326B (en) * | 2013-05-31 | 2015-06-10 | 中国建筑西南设计研究院有限公司 | Fresh air system for improving indoor air cleanliness and operation control method thereof |
| CN103644600A (en) * | 2013-12-09 | 2014-03-19 | 中国建筑科学研究院 | Intelligent purifying and bacteriostatic air processing unit |
| CN103644600B (en) * | 2013-12-09 | 2016-11-23 | 中国建筑科学研究院 | Intelligent purifying and bacteriostatic air processing unit |
| CN104501309A (en) * | 2014-11-25 | 2015-04-08 | 广州朗思威环境科技股份有限公司 | Indoor ceiling type haze removing fan |
| CN105318425A (en) * | 2014-11-27 | 2016-02-10 | 上海市建筑科学研究院(集团)有限公司 | High-filtration-efficiency and low-operating-energy-consumption combined air-conditioning system with fresh air sections for treatment |
| CN105276716A (en) * | 2014-11-27 | 2016-01-27 | 上海市建筑科学研究院(集团)有限公司 | Fresh-air air conditioner system high in filtering efficiency and low in running energy consumption |
| CN104456870A (en) * | 2014-12-11 | 2015-03-25 | 重庆大学 | Fresh air and return air adjusting method and device for air-conditioning systems |
| CN104456870B (en) * | 2014-12-11 | 2017-01-25 | 重庆大学 | Fresh air and return air adjusting method and device for air-conditioning systems |
| CN108151144A (en) * | 2017-12-23 | 2018-06-12 | 苏州希尔盖森新材料有限公司 | A kind of intelligent fresh air is supplied gas purifier |
| CN109737548A (en) * | 2019-03-06 | 2019-05-10 | 上海朗绿建筑科技股份有限公司 | A kind of fresh air system of self-adaption constant positive pressure |
| CN113587334A (en) * | 2021-07-29 | 2021-11-02 | 江苏净松环境科技有限公司 | High-pressure sterilization module and fresh air system thereof |
| CN113587334B (en) * | 2021-07-29 | 2022-10-25 | 江苏净松环境科技有限公司 | High-pressure sterilization module and fresh air system thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131120 Effective date of abandoning: 20150610 |
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| RGAV | Abandon patent right to avoid regrant |