CN212029816U - Variable working condition air conditioning unit aiming at dynamic fluctuation of pollution concentration - Google Patents
Variable working condition air conditioning unit aiming at dynamic fluctuation of pollution concentration Download PDFInfo
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- CN212029816U CN212029816U CN202020455941.5U CN202020455941U CN212029816U CN 212029816 U CN212029816 U CN 212029816U CN 202020455941 U CN202020455941 U CN 202020455941U CN 212029816 U CN212029816 U CN 212029816U
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Abstract
The utility model discloses a become operating mode air conditioning unit to pollutant concentration dynamic fluctuation, including the air-conditioning box, the both ends of air-conditioning box are new trend entry and new trend export respectively, the air-conditioning box divide into in proper order along new trend flow direction and just strains section, table cold section, change operating mode section and air-out section, it comprises low resistance wind section and degree of depth purification wind section to become the operating mode section, the degree of depth purifies the wind section and is provided with main filter the place ahead of changing operating mode section air intake department is provided with particulate matter concentration sensor the just section of straining that the air-conditioning box corresponds is provided with the return air inlet the new trend entry is provided with first blast gate department is provided with the second blast gate. The utility model discloses a change air conditioning unit structure and purification process flow, on the basis of realizing the air conditioning unit variable working condition operation, can carry out effective filtration to the bioaerosol that the surface cooler probably multiplied to effectively reduce main filter's change frequency and entire system's resistance, effectively reduce system energy consumption and maintenance cost.
Description
Technical Field
The utility model belongs to the technical field of air treatment equipment, in particular to variable working condition air conditioning unit to pollution concentration dynamic fluctuation.
Background
Aerosol pollution of indoor air, including bioaerosols, is of increasing concern. Traditional air conditioning technology and equipment all adopt the operating mode operation surely to air purification's processing, can't adapt to the outdoor particulate matter concentration that our country city acutely fluctuated throughout the year, also can't deal with epidemic situation emergency, lead to current air conditioning unit or filtration system inefficiency, purification effect when can't guarantee that atmospheric pollution is serious or the epidemic situation takes place, or filtration system resistance is big, and system operation energy consumption is high, the filter is changed frequently, causes the maintenance cost height.
In order to solve the technical problems, in the prior art, a utility model patent (publication number CN103267326A) discloses a fresh air system for improving indoor air cleanliness and an operation control method thereof, which can control the indoor environmental particulate pollution in haze weather by arranging a bypass fresh air system, without increasing the resistance of an air conditioning system under normal operating conditions, and has economical operation and simple and convenient control; the utility model discloses a control haze day indoor air pollution's air-conditioning box and operation method thereof (publication number CN103322628A), it is through separating the new trend fillter section for mutually independent upper and lower new trend wind channel, under the operating mode at ordinary times, the new trend gets into the mixed section by new trend wind channel down, and under haze weather operating mode, the new trend then gets into the mixed section by last new trend wind channel to reach the control to haze weather indoor environment particulate matter pollution, and do not increase operating mode air conditioning system resistance at ordinary times, it is simple and convenient to operate economy and control.
However, the main filter is arranged at the front end of the surface air cooler in the two patents, so that the biological aerosol bred by the surface air cooler cannot be effectively filtered, and meanwhile, the treated air passes through the main filter, so that the frequent replacement of the main filter and the resistance of the whole system cannot be effectively reduced, and the energy consumption of the system is higher.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to the problem that above-mentioned exists, provide one kind and can reduce main filter and change frequency to carry out the variable operating mode air conditioning unit to pollution concentration dynamic fluctuation of effective filtration to biological aerosol.
The technical scheme of the utility model is realized like this: the utility model provides a become operating mode air conditioning unit to pollution concentration dynamic fluctuation, includes the air-conditioning box, the both ends of air-conditioning box are fresh air inlet and fresh air export, its characterized in that respectively: the air-conditioning box divide into in proper order along new trend flow direction and just strain section, table cold section, variable operating mode section and air-out section, variable operating mode section is purified the wind section by low resistance wind section and degree of depth and constitutes, degree of depth purification wind section is provided with main filter the place ahead of variable operating mode section air intake department is provided with particulate matter concentration sensor the just strain section that the air-conditioning box corresponds is provided with the return air inlet the new trend entrance is provided with first air valve the return air inlet department is provided with the second air valve, gets into the pollution degree that the mixed wind in the air-conditioning box by new trend entry and return air inlet detects according to particulate matter concentration sensor, and the low resistance wind section of whole entering or all entering degree of depth purification wind section or some entering are hanged down the resistance wind section, and another part gets into degree of depth purification wind section.
To fluctuating variable working condition air conditioning unit of polluted concentration developments, it just strains the section including setting up first just effect filter and the medium efficiency filter in the air-conditioning box, first just effect filter and medium efficiency filter are along new trend flow direction interval arrangement in proper order, the position between first just effect filter and medium efficiency filter is arranged to the return air inlet be provided with the first just effect filter of second in the return air inlet, get into the new trend in the air-conditioning box by the new trend entry promptly and filter the back air that the air-conditioning box was introduced and just imitated the filter through the second by the return air inlet and mix, the mixed wind after mixing filters through the medium efficiency filter again.
To fluctuating variable working condition air conditioning unit of pollution concentration developments, it the surface cold section is sent into the surface cold ware of surface cold section and is handled including setting up the surface cold ware in the air-conditioning box by the mixed wind of primary filter section filtration treatment.
Become operating mode air conditioning unit to pollutant concentration developments undulant, it is in be provided with the humidification section between table cold section and the variable operating mode section, the humidification section is including setting up the humidifier at the air-conditioning box, the mixed wind of air-conditioning box carries out hot wet-processing through table cold section and humidification section.
Become operating mode air conditioning unit to pollution concentration developments undulant, its the air-out section is including setting up the first fan in the air-conditioning box, first fan is used for seeing off through becoming operating mode section exhaust new trend by the new trend export.
Become operating mode air conditioning unit to pollution concentration dynamic fluctuation, it low resistance wind section includes low resistance passageway and sets up at the third blast gate and the fourth blast gate of low resistance passageway both ends opening part.
To fluctuating variable working condition air conditioning unit of pollution concentration developments, it the degree of depth purifies the wind section and includes the deep purification passageway and sets up main filter, fifth wind valve and the second fan in the deep purification passageway, the fifth wind valve sets up the air intake end at the deep purification passageway, the second fan sets up the air outlet end at the deep purification passageway to be used for the new trend discharge deep purification passageway after will filtering through main filter.
Become operating mode air conditioning unit to pollution concentration developments undulant, it the low resistance wind section and the degree of depth of becoming the operating mode section purify the wind section and all arrange and separate for mutually independent ventilation passageway along the air-conditioning box axial, the sectional area A of degree of depth purification passageway1Greater than the cross-sectional area A of the low resistance passage2。
Variable working condition air conditioning unit to pollution concentration dynamic fluctuation, its section area A of deep purification passageway1The determination formula of (2) is:
A1≥Q/V1
in the formula, Q is the total air volume of the air conditioning unit; v1The face wind speed of the main filter;
cross-sectional area A of the low resistance channel2The determination formula of (2) is:
A2≥Q/V2
in the formula, V2The wind speed is a low resistance path.
The utility model discloses mainly under the variable operating mode to the concentration of pollution developments undulant, through changing air conditioning unit structure and purification process, on the basis of realizing air conditioning unit variable operating mode operation, can carry out effective filtration to the bioaerosol that the surface air cooler probably multiplied, and at unit operation in-process, not all air under the operating mode all need filter through main filter, thereby can be according to the operating mode demand, effectively reduce main filter's change frequency and entire system's resistance, system energy consumption and maintenance cost have effectively been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a flow chart of the operation control of the present invention.
The labels in the figure are: 1 is an air conditioning box, 2 is a fresh air inlet, 3 is a fresh air outlet, 4 is a primary filtering section, 5 is a surface cooling section, 6 is a variable working condition section, 7 is an air outlet section, 8 is a particulate matter concentration sensor, 9 is an air return inlet, 10 is a humidifying section, 11 is a humidifier, 21 is a first air valve, 41 is a first primary filter, 42 is a medium-efficiency filter, 51 is a surface cooler, 61 is a low-resistance air section, 62 is a deep purification air section, 71 is a first fan, 91 is a second air valve, 92 is a second primary filter, 611 is a low-resistance channel, 612 is a third air valve, 613 is a fourth air valve, 621 is a deep purification channel, 622 is a main filter, 623 is a fifth air valve, 624 is a second fan, C is a first primary filter, 6 is a variable working condition section, 7 is a medium-efficiency filter, 51 is alowThe concentration boundary value of the normal working condition and the medium pollution working condition, ChighThe concentration boundary value of the severe pollution working condition and the moderate pollution working condition.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in figure 1, a become operating mode air conditioning unit to pollutant concentration dynamic fluctuation, including air conditioning box 1, air conditioning box 1's both ends are new trend entry 2 and new trend export 3 respectively, air conditioning box 1 divides into in proper order along new trend flow direction and just strains section 4, table cold section 5, become operating mode section 6 and air-out section 7.
In this embodiment, the primary filter section 4 includes a first primary filter 41 and a middle filter 42 disposed in the air-conditioning box 1, the first primary filter 41 and the middle filter 42 are sequentially disposed at intervals along the flow direction of the fresh air, the air return opening 9 is disposed at a position between the first primary filter 41 and the middle filter 42, a second primary filter 92 is disposed in the air return opening 9, that is, the fresh air entering the air-conditioning box 1 from the fresh air inlet 2 is filtered by the first primary filter 41 and then mixed with the return air introduced from the air return opening 9 and filtered by the second primary filter 92, and the mixed air is filtered by the middle filter 42; the surface cooling section 5 comprises a surface cooler 51 arranged in the air-conditioning box 1, and the mixed air filtered by the primary filtering section 4 is sent to the surface cooler 51 of the surface cooling section 5 for treatment; a humidifying section 10 is arranged between the surface cooling section 5 and the variable working condition section 6, the humidifying section 10 comprises a humidifier 11 arranged in the air conditioning box 1, and the mixed air in the air conditioning box 1 is subjected to heat and humidity treatment through the surface cooling section 5 and the humidifying section 10; the air outlet section 7 comprises a first fan 71 arranged in the air conditioning box 1, and the first fan 71 is used for sending out fresh air exhausted by the variable working condition section 6 from the fresh air outlet 3.
Wherein, it comprises low resistance wind section 61 and degree of depth purification wind section 62 to become operating condition section 6, degree of depth purification wind section 62 is provided with main filter 622 become the place ahead of 6 air inlets of operating condition section be provided with particulate matter concentration sensor 8 the just section of straining 4 that air conditioning box 1 corresponds is provided with return air inlet 9 new trend entry 2 departments are provided with first air valve 21 return air inlet 9 department is provided with second air valve 91, gets into the pollution degree that mixed wind in air conditioning box 1 by new trend entry 2 and return air inlet 9 detects according to particulate matter concentration sensor 8, and whole entering low resistance wind section 61 or whole entering degree of depth purification wind section 62 or some entering low resistance wind section 61, and another part gets into degree of depth purification wind section 62.
Specifically, the low resistance wind segment 61 includes a low resistance channel 611 and a third wind valve 612 and a fourth wind valve 613 disposed at openings at both ends of the low resistance channel 611; the deep purification air section 62 includes a deep purification channel 621, and a main filter 622, a fifth air valve 623 and a second fan 624 which are arranged in the deep purification channel 621, wherein the fifth air valve 623 is arranged at an air inlet end of the deep purification channel 621, and the second fan 624 is arranged at an air outlet end of the deep purification channel 621, and is used for discharging the fresh air filtered by the main filter 622 out of the deep purification channel 621.
In this embodiment, the low resistance wind section 61 and the deep purification wind section 62 of the variable operation section 6 are both arranged along the axial direction of the air conditioning case 1 and separated into mutually independent ventilation channels, and the section area a of the deep purification channel 6211Greater than the cross-sectional area A of the low resistance channel 6112(ii) a Ultraviolet disinfection lamps are installed at positions close to the middle-effect filter 42 and the main filter 622 for sterilizing and killing bacteria and viruses of air and filter dust flowing through, and the first fan 71 and the second fan 624 can be alternating current fans or direct current fans.
As shown in fig. 2, a method for controlling the operation of a variable-condition air conditioning unit aiming at dynamic fluctuation of pollution concentration specifically comprises the following steps:
when the air conditioner is in the working condition, the first air valve 21 and the second air valve 91 are opened, fresh air enters through the fresh air inlet 2, is filtered by the first primary filter 41 and then is mixed with return air introduced from the air return inlet 6 and filtered by the second primary filter 92, is filtered by the intermediate filter 42, and is subjected to heat and humidity treatment by the surface cooling section 5 and the humidifying section 10.
At normal operating conditions, i.e. C0≤ClowWhen the air is exhausted, the fifth air valve 623 is closed, the third air valve 612 and the fourth air valve 613 are opened, and the air after heat and humidity treatment completely enters the air outlet section 7 through the low resistance air section 61 and is sent out from the fresh air outlet 3 through the first fan 71.
In medium-polluting conditions, i.e. Clow≤C0≤ChighDuring the operation, according to the air particulate concentration detected by the particulate concentration sensor 8, the opening degrees of the third air valve 612, the fourth air valve 613 and the fifth air valve 623 are adjusted, the second fan 624 is started, a part of the air after heat and humidity treatment flows through the low resistance channel 611, the other part of the air flows through the deep purification channel 621, the air in the deep purification channel 621 is filtered by the main filter 622, is sent out by the second fan 624, is mixed with the air in the low resistance channel 611 in the air outlet section 7, and is sent out by the fresh air outlet 3 through the first fan 71.
In heavily polluted conditions, i.e. C0≥ChighMeanwhile, the third air valve 612 and the fourth air valve 613 are closed, the fifth air valve 623 is opened, the second fan 624 is started, all the air after heat and humidity treatment flows through the deep purification channel 621, is filtered by the main filter 622, is sent to the air outlet section 7 by the second fan 624, and is sent out by the fresh air outlet 3 through the first fan 71.
And (II) when the working condition is in a transition season, opening the first air valve 21, closing the second air valve 91, enabling fresh air to enter the unit through the fresh air inlet 2, sequentially purifying through the first primary filter 41 and the middle filter 42, and performing heat and humidity treatment on the fresh air through the surface cooling section 5 and the humidifying section 10.
At normal operating conditions, i.e. C0≤ClowWhen the air is exhausted, the fifth air valve 623 is closed, the third air valve 612 and the fourth air valve 613 are opened, and the air after heat and humidity treatment completely enters the air outlet section 7 through the low resistance air section 61 and is sent out from the fresh air outlet 3 through the first fan 71.
In medium-polluting conditions, i.e. Clow≤C0≤ChighDuring the operation, according to the air particulate concentration detected by the particulate concentration sensor 8, the opening degrees of the third air valve 612, the fourth air valve 613 and the fifth air valve 623 are adjusted, the second fan 624 is started, a part of the air after heat and humidity treatment flows through the low resistance channel 611, the other part of the air flows through the deep purification channel 621, the air in the deep purification channel 621 is filtered by the main filter 622, is sent out by the second fan 624, is mixed with the air in the low resistance channel 611 in the air outlet section 7, and is sent out by the fresh air outlet 3 through the first fan 71.
In heavily polluted conditions, i.e. C0≥ChighMeanwhile, the third air valve 612 and the fourth air valve 613 are closed, the fifth air valve 623 is opened, the second fan 624 is started, all the air after heat and humidity treatment flows through the deep purification channel 621, is filtered by the main filter 622, is sent to the air outlet section 7 by the second fan 624, and is sent out by the fresh air outlet 3 through the first fan 71.
Wherein, the section area A of the deep purification channel 6211The determination method comprises the following steps:
A1≥Q/V1
in the formula, Q is the total air volume of the air conditioning unit; v1The face wind speed of the main filter;
cross-sectional area A of the low resistance channel 6112The determination method comprises the following steps:
A2≥Q/V2
in the formula, V2The wind speed is a low resistance path.
When the air is operated under the medium pollution working condition, the concentration of the air particulate matters detected by the particulate matter concentration sensor 8 is C0The air flow rate of the deep cleaning channel 621 is made to be Q by adjusting the opening degrees of the third air valve 612, the fourth air valve 613 and the fifth air valve 623 and adjusting the operating frequency of the second fan 6241Air flow rate of low resistance channel 611 is Q2And meets the requirements of the following formula:
Q＝Q1+Q2
Cn＝[C0×Q1+C0×Q2×(1-ηz)]/(Q1+Q2)≤Cb
in the formula, CnThe concentration of air particles sent into the room for a fresh air outlet; etazIs the efficiency of the primary filter; cbIs the standard allowable particulate matter concentration.
The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a become operating mode air conditioning unit to polluted concentration dynamic fluctuation, includes air conditioning cabinet (1), the both ends of air conditioning cabinet (1) are new trend entry (2) and new trend export (3) respectively, its characterized in that: air-conditioning case (1) is divided into in proper order along new trend flow direction and is just strained section (4), table cold section (5), becomes operating mode section (6) and air-out section (7), become operating mode section (6) and comprise low resistance wind section (61) and degree of depth purification wind section (62), degree of depth purification wind section (62) are provided with main filter (622) become the place ahead of operating mode section (6) air intake department and be provided with particulate matter concentration sensor (8) just strain section (4) that air-conditioning case (1) correspond is provided with return air inlet (9) new trend entry (2) department is provided with first air valve (21) return air inlet (9) department is provided with second air valve (91), and the mixed wind that gets into in air-conditioning case (1) by new trend entry (2) and return air inlet (9) is according to the pollution degree that particulate matter concentration sensor (8) detected, and whole get into low resistance wind section (61) or whole entering degree of depth purification wind section (62) or a part and get into low resistance A wind section (61) and another portion enters a depth-cleaned wind section (62).
2. The variable duty air conditioning unit of claim 1 for pollution concentration dynamic fluctuation, characterized in that: primary filtering section (4) are including setting up first primary filter (41) and medium efficiency filter (42) in air-conditioning box (1), first primary filter (41) and medium efficiency filter (42) are along new trend flow direction interval arrangement in proper order, position between first primary filter (41) and medium efficiency filter (42) is arranged in return air inlet (9) are provided with second primary filter (92), and the new trend that gets into air-conditioning box (1) by new trend entry (2) promptly is filtered the back and is introduced and mix through the filterable return air of second primary filter (92) by return air inlet (9), and the mixed wind after the mixture is filtered through medium efficiency filter (42) again.
3. The variable duty air conditioning unit of claim 2 for pollution concentration dynamic fluctuation, characterized in that: the surface cooling section (5) comprises a surface cooler (51) arranged in the air-conditioning box (1), and mixed air filtered by the primary filtering section (4) is sent into the surface cooler (51) of the surface cooling section (5) for treatment.
4. The variable duty air conditioning unit of claim 3 for pollution concentration dynamic fluctuation, characterized in that: be provided with humidification section (10) between table cold section (5) and variable working condition section (6), humidification section (10) are including setting up humidifier (11) in air conditioning box (1), the mixed wind in air conditioning box (1) carries out the heat and moisture through table cold section (5) and humidification section (10) and handles.
5. The variable duty air conditioning unit of claim 1 for pollution concentration dynamic fluctuation, characterized in that: air-out section (7) are including setting up first fan (71) in air-conditioning box (1), first fan (71) are used for seeing the new trend of becoming operating mode section (6) exhaust off by new trend export (3).
6. The variable working condition air conditioning unit aiming at the pollution concentration dynamic fluctuation according to any one of claims 1 to 5, characterized in that: the low-resistance air section (61) comprises a low-resistance channel (611) and a third air valve (612) and a fourth air valve (613) which are arranged at openings at two ends of the low-resistance channel (611).
7. The variable duty air conditioning unit of claim 6 for pollution concentration dynamic fluctuation, characterized by: the deep purification air section (62) comprises a deep purification channel (621) and a main filter (622), a fifth air valve (623) and a second fan (624) which are arranged in the deep purification channel (621), wherein the fifth air valve (623) is arranged at the air inlet end of the deep purification channel (621), and the second fan (624) is arranged at the air outlet end of the deep purification channel (621) and is used for discharging fresh air filtered by the main filter (622) out of the deep purification channel (621).
8. The variable duty air conditioning unit of claim 7 for pollution concentration dynamic fluctuation, characterized in that: become low resistance wind section (61) and the degree of depth of operating mode section (6) and purify wind section (62) and all follow air conditioning cabinet (1) axial and arrange and separate for mutually independent ventilation channel, the sectional area A of degree of depth purification passageway (621)1Is larger than the cross-sectional area A of the low resistance channel (611)2。
9. The variable duty air conditioning unit of claim 8 for pollution concentration dynamic fluctuation, characterized in that: the cross-sectional area A of the deep purification channel (621)1The determination formula of (2) is:
A1≥Q/V1
in the formula, Q is the total air volume of the air conditioning unit; v1The face wind speed of the main filter;
the cross-sectional area A of the low resistance channel (611)2The determination formula of (2) is:
A2≥Q/V2
in the formula, V2The wind speed is a low resistance path.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111457531A (en) * | 2020-04-01 | 2020-07-28 | 中国建筑西南设计研究院有限公司 | Variable working condition air conditioning unit aiming at dynamic fluctuation of pollution concentration and operation control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457531A (en) * | 2020-04-01 | 2020-07-28 | 中国建筑西南设计研究院有限公司 | Variable working condition air conditioning unit aiming at dynamic fluctuation of pollution concentration and operation control method thereof |
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Effective date of registration: 20220801 Address after: No. 1071, north section of Hupan Road, Zhengxing street, Tianfu new area, Chengdu, Sichuan 610000 Patentee after: CSCEC Southwest Institute (Sichuan) Technology Co.,Ltd. Address before: No.8 Xinghui West Road, Jinniu District, Chengdu, Sichuan 610031 Patentee before: CHINA SOUTHWEST ARCHITECTURAL DESIGN AND RESEARCH INSTITUTE Corp.,Ltd. |