CN106123193A - A kind of PM2.5and CO2the Intelligent fresh air ventilator of joint control and fresh air processing method - Google Patents
A kind of PM2.5and CO2the Intelligent fresh air ventilator of joint control and fresh air processing method Download PDFInfo
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- CN106123193A CN106123193A CN201610576599.2A CN201610576599A CN106123193A CN 106123193 A CN106123193 A CN 106123193A CN 201610576599 A CN201610576599 A CN 201610576599A CN 106123193 A CN106123193 A CN 106123193A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
Abstract
The invention discloses a kind of PM2.5And CO2The Intelligent fresh air ventilator of joint control and fresh air processing method, new blower fan includes fresh wind port, air outlet, return air inlet, exhaust outlet, total-heat exchanger, first to fourth air channel.By the most distinguished and the most admirable to being disposed with Electric air valve a, grade one filter a, Electric air valve b in first air channel；By the most distinguished and the most admirable to being provided with Electric air valve c, Electric air valve f, secondary filter, breeze fan in second air channel；Flow to be disposed with grade one filter b, Electric air valve d by return air in 3rd air channel；Flow to be disposed with exhaust fan by return air in 4th air channel；Central baffle and Electric air valve e mounted thereto it is provided with between second air channel and the 3rd air channel；The present invention, according to indoor-outdoor air quality, six kinds of different working modes of intelligent opening, reduces air-conditioning and fan energy consumption to greatest extent, has significant energy-saving benefit.
Description
Technical field
The invention belongs to air purification field, relate to one and be applicable to the air quality requirement high field such as classroom, office
The reduction PM closed2.5And CO2The intelligent fresh air machine technology of concentration.
Background technology
In recent years, China's atmospheric pollution situation is the severeest, and the ground such as North China, East China, southwest repeatedly meets with serious haze sky
Gas, wherein major pollutants source is fine particle PM2.5。PM2.5Refer to that in surrounding air, aerodynamic equivalent diameter is less than
Particulate matter equal to 2.5 μm.PM in air2.5Portable a large amount of poisonous and harmful substance, enters human lung depths through respiratory tract
And blood circulation, human body is produced harm.
Window ventilation, Mobile air purifying is included both at home and abroad at present about the adoptable main method of indoor air purification
Device and dedicated fresh air machine.
Ventilation of windowing is the most simple indoor air purification method, but there is outdoor contaminated air and deteriorate room air
The possibility of quality.As outdoor PM2.5When concentration is higher, ventilation of windowing does not simply fails to improve indoor air quality, on the contrary can be further
Deteriorate indoor air environment.
Using mobile air purifier is to reduce PM in room air2.5The another kind of conventional means of concentration.Portable empty
The operation principle of gas purifier is to be placed in the most airtight indoor environment, and air cycles through depurator, in environment
Pollutant levels with air cycle-index increase and gradually decay.But mobile air purifier needs in the most airtight room
Interior environment works, thus causes indoor CO2Constantly accumulation so that it is be not suitable for that density of personnel is relatively big, need air to circulate
Occasion.
Existing dedicated fresh air owner fillter section to be utilized purifying fresh air, thus PM in dilution chamber2.5Concentration.Indoor latent heat is born
Lotus is undertaken by new wind, and sensible heat load is undertaken by air-conditioning equipment.But, existing new blower fan only considers PM2.5Concentration, lacks CO2
The monitoring of concentration, and air quantity is the most constant, operational mode is single, it is impossible to Intelligent adjustment.
Therefore, gravity-flow ventilation, indoor air circulation filtration and new wind are filtered and combine by the present invention, it is proposed that a kind of
PM2.5And CO2The Intelligent fresh air ventilator of joint control, and reduce new fan energy consumption to greatest extent by the switching of six kinds of mode of operations, joint
Can remarkable benefit.
Summary of the invention
Technical problem: the present invention provides a kind of and ensures PM2.5And CO2Concentration is satisfied by code requirement, and is realizing Interior Space
While gas purifies, reduce blower fan and the PM of operation of air conditioner energy consumption to greatest extent2.5And CO2The Intelligent fresh air ventilator of joint control and new wind
Processing method.
Technical scheme: the PM of the present invention2.5And CO2The Intelligent fresh air ventilator of joint control, including fresh wind port, air outlet, return air inlet,
Exhaust outlet, total-heat exchanger, the first air channel being arranged between total-heat exchanger new wind entrance and fresh wind port, it is arranged at full heat and hands over
Parallel operation new wind outlet with air outlet between the second air channel, be arranged between total-heat exchanger return air inlet and return air inlet the 3rd
Air channel, the 4th air channel being arranged between the outlet of total-heat exchanger return air and exhaust outlet；Total-heat exchanger is provided above connection
The air channel, top in the first air channel and the second air channel, is provided with connection the 3rd air channel and the bottom in the 4th air channel below total-heat exchanger
Air channel.Described first air channel according to the most distinguished and the most admirable to being disposed with Electric air valve a, grade one filter a, Electric air valve b；Described
According to the most distinguished and the most admirable to being provided with Electric air valve c, Electric air valve f, secondary filter, breeze fan in two air channels；Described 3rd wind
Road flows to be disposed with grade one filter b, Electric air valve d according to return air；Described 4th air channel flows to depend on according to return air
Secondary it is provided with exhaust fan；It is provided with central baffle between described second air channel and the 3rd air channel and is arranged on described central baffle
On Electric air valve e.
Further, in Intelligent fresh air ventilator of the present invention, described fresh wind port is provided with detection PM2.5Concentration and the biography of outdoor temperature
Sensor, described grade one filter a next-door neighbour Electric air valve a is arranged, and described Electric air valve b is positioned at air channel above total-heat exchanger and enters
Mouthful, new fan box is separated into two parts together with casing central baffle by described total-heat exchanger.Described air outlet is provided with detection
PM2.5The sensor of concentration, before described Electric air valve c and Electric air valve f is arranged side by side, and Electric air valve c is positioned at secondary filter
Side.Described return air inlet is provided with CO in sensing chamber2Concentration, temperature and PM2.5The sensor of concentration, described grade one filter b is close to back
Air port is arranged, and described Electric air valve d is positioned at tunnel inlet below total-heat exchanger.
Further, in Intelligent fresh air ventilator of the present invention, the housing of described grade one filter a and grade one filter b is plating
Zinc-iron frame, filtrate uses non-woven fabrics, nylon wire, activated carbon filter material or metal hole pattern.
Further, in Intelligent fresh air ventilator of the present invention, described secondary filter is highfield medium module.
A kind of PM of the present invention2.5And CO2The fresh air processing method of joint control, based on above-mentioned PM2.5And CO2The intelligence of joint control
New blower fan, according to indoor and outdoor PM2.5Concentration sensor, temperature sensor and indoor CO2The data that concentration sensor is detected,
It is respectively adopted following six kinds of mode of operations: new wind filtered model one, new wind filtered model two, new wind filtered model three, interior circulation
Filtered model, Natural Ventilation Mode and standby mode；
Wherein, the workflow of new wind filtered model one is: Electric air valve a opens, and Electric air valve f opens, Electric air valve b
Closing, Electric air valve d closes, and new wind sequentially passes through fresh wind port → Electric air valve a → grade one filter a → total-heat exchanger → electricity
Wind symptom valve f → breeze fan, is sent into indoor by air outlet, and return air sequentially passes through return air inlet → grade one filter b → Total heat exchange
Device → exhaust fan, is drained into outdoor by exhaust outlet；The workflow of new wind filtered model two is: Electric air valve a opens, electronic wind
Valve c opens, and Electric air valve f closes, and Electric air valve d closes, and new wind sequentially passes through fresh wind port → Electric air valve a → grade one filter
A → total-heat exchanger → Electric air valve c → secondary filter → breeze fan, is sent into indoor by air outlet, and return air sequentially passes through
Return air inlet → grade one filter b → total-heat exchanger → exhaust fan, is drained into outdoor by exhaust outlet；The work of new wind filtered model three
As flow process being: Electric air valve a opens, Electric air valve b opens, and Electric air valve c opens, and Electric air valve f closes, and Electric air valve d opens
Opening, new wind sequentially passes through fresh wind port → Electric air valve a grade one filter a → Electric air valve b → Electric air valve c → secondary filter
→ breeze fan, is sent into indoor by air outlet, and return air sequentially passes through return air inlet → grade one filter b → Electric air valve d → air draft
Blower fan, is drained into outdoor by exhaust outlet；The workflow of internal circulation filtering pattern is: Electric air valve e opens, and Electric air valve c opens,
Electric air valve f closes, and Electric air valve a closes, and return air sequentially passes through grade one filter b → Electric air valve e → Electric air valve c → bis-
Level filter → breeze fan, is sent into indoor by air outlet；The workflow of Natural Ventilation Mode is: the new wind of introducing of windowing, fall
Low fan energy consumption；Standby mode is under conditions of indoor air quality is up to standard, and new blower fan is standby, does not carry out any operation.
Further, in the inventive method, new wind filtered model one uses when following situation: non-transition season, outdoor
Air PM2.5When concentration is up to standard.
Further, in the inventive method, new wind filtered model two uses when following situation: non-transition season, outdoor
Air PM2.5During concentration over-standard.
Further, in the inventive method, new wind filtered model three uses when following situation: transition season, outdoor empty
Gas PM2.5When concentration is up to standard.
Further, in the inventive method, internal circulation filtering pattern uses when following situation: indoor PM2.5Concentration over-standard
And CO2When concentration does not exceeds standard.
Further, in the inventive method, Natural Ventilation Mode uses when following situation: transition season, outdoor air
PM2.5When concentration is up to standard.
In the present invention, described total-heat exchanger is coupled with upper and lower two air channels, according to Electric air valve b and electronic
The different air channel of keying switching of air-valve d.Concrete execution is: when Electric air valve b and Electric air valve d opens, new wind and air draft divide
Do not flow through in upper and lower two air channels, be now equivalent to total-heat exchanger is bypassed, otherwise, new wind and air draft enter middle complete
Respective air channel is respectively enterd again after carrying out heat exchange in heat exchanger.
Secondary filter can be played bypass action by the keying of Electric air valve c and Electric air valve f.Concrete execution is: work as electricity
Wind symptom valve c open and Electric air valve f close time, new wind through secondary filter carry out depth-type filtration and purify after by breeze fan
Sending into indoor, when when Electric air valve c closes, Electric air valve f opens, new wind gets around secondary filter and directly send through breeze fan
Entering indoor, now windage is greatly reduced.
Intelligent fresh air ventilator can be switched to internal circulation filtering pattern by the unlatching of Electric air valve e.When Electric air valve e opens,
Return air is sent into indoor by air outlet after secondary filter high efficiency filter, when outdoor pollution thus can be avoided even more serious, filters
New wind and increase more fan energy consumption, otherwise, indoor return air drains into outdoor through air exhaust passage.
CO cannot be ensured for existing mobile air purifier2Concentration meets code requirement, the new fan operation of subduing the wind syndrome amount
The subject matter that pattern is single and energy consumption is bigger, the present invention considers CO2Concentration and PM2.5Concentration, uses gravity-flow ventilation, room
Interior air circulating filtration and new wind filter these three indoor air purification method and combine, and devise and have six kinds of different operating moulds
The new blower fan of formula, while realizing indoor air purification, reduces blower fan and the operation energy consumption of air-conditioning to greatest extent.In non-transition
In season, air draft is carried out recuperation of heat, make new wind obtain pre-cooling/preheating before entering indoor, thus reduce air conditioning energy consumption；?
Transition season, owing to the hot humidity load of outdoor air is less, it is not necessary to considers that recuperation of heat reduces air conditioning energy consumption, therefore to new wind
In machine, total-heat exchanger bypasses, and reduces system wind resistance, thus saves fan energy consumption；When new wind is filtered, according to room
Inner air and outer air quality, makes new wind optionally through secondary filter, saves unnecessary fan energy consumption；As indoor CO2Concentration
Time up to standard, in time open internal circulation filtering pattern.
Beneficial effect: the present invention, compared with existing new blower fan (band total heat recovery), has the advantage that
1) the existing new blower fan of subduing the wind syndrome amount only considers PM2.5New wind is filtered by concentration, and not only operational mode is single, also deposits
In the unnecessary fan energy consumption loss that out of season constant resh air requirement is caused.A kind of PM that the design proposes2.5And CO2Connection
The Intelligent fresh air ventilator of control, considers PM2.5And CO2Concentration, according to indoor and outdoor temperature, PM2.5And CO2Concentration sensor detection
Data, six kinds of different working modes of intelligent opening, and choose newly according to both concentration are dropped to limit value within a certain period of time
Air quantity, is prevented effectively from the existing new drawback that fan operation pattern is single, energy consumption is bigger.
2) compared with existing new blower fan, add the bypass to total-heat exchanger and select.By total-heat exchanger with upper and lower
The coupling in two air channels, can realize the total heat recovery of non-transition season, reduces air conditioning energy consumption, can realize again transition season
Bypass total-heat exchanger, reduces windage, saves fan energy consumption.
3) compared with existing new blower fan, the selection to new wind degree of filtration is added.According to indoor-outdoor air quality, utilize
The bypass of secondary filter can be made new wind selectively by secondary filter by Electric air valve, reduces windage, saves further
About fan energy consumption.
4) according to In Nanjing in March, 2015 in February, 2016 outdoor weather measured data, with Zhong Shan institute of Southeast China University
As a example by classroom, blower fan new to the design carries out performance analysis.Meteorological data outside analysis room, can obtain the new blower fan of the design annual not
With the days running under pattern, as shown in table 1.
Days running under the new blower fan different mode of table 1.
Calculating the new blower fan of the design and the energy consumption of the new blower fan of tradition, result is as shown in table 2.
The new blower fan of table 2. the design and the tradition new blower fan energy consumption comparison whole year
As shown in Table 2, the new blower fan of the design is according to outdoor weather condition, by balance indoor-outdoor air quality intelligent opening
Different working modes, compared with blower fan new with tradition, use after the new blower fan of the design the whole year can energy efficient 277.04kW h, account for
The 21.6% of the new blower fan total energy consumption of tradition.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the present invention new fan main body A structural representation.
Fig. 3 is total-heat exchanger structural representation.
Fig. 4 is grade one filter structural representation.
Fig. 5 is secondary filter structural representation.
Figure has: the new blower fan of A-；B-control panel；1-fresh wind port；2-Electric air valve a；3-grade one filter a；4-is electronic
Air-valve b；5-total-heat exchanger；6-Electric air valve c；7-secondary filter；8-breeze fan；9-air outlet；10-return air inlet；11-
Grade one filter b；12 Electric air valve d；13-exhaust fan；14-exhaust outlet；15-Electric air valve e；16 Electric air valves
f；17-PM2.5Concentration sensor a；18-temperature sensor a；19-PM2.5Concentration sensor b；20-temperature sensor b；21-CO2
Concentration sensor；22-PM2.5Concentration sensor c.
Detailed description of the invention
Below in conjunction with embodiment and Figure of description, the present invention is further illustrated.
The overall structure schematic diagram of the present embodiment is as it is shown in figure 1, include new blower fan A and control panel B.PM2.5Concentration passes
Sensor a17, PM2.5Concentration sensor b19, PM2.5Concentration sensor c22, temperature sensor a18, temperature sensor b20 and detection
CO2Sensor 21 position as shown in Figure 1 of concentration, is arranged in fresh wind port 1, air outlet 9 and return air inlet 10.Wherein, new blower fan master
Body structural representation is as shown in Figure 2.
Described new blower fan A includes fresh wind port 1, air outlet 9, return air inlet 10, exhaust outlet 14, total-heat exchanger 5, is arranged at entirely
New the first air channel between wind entrance and fresh wind port 1 of heat exchanger 5, be arranged at the outlet of total-heat exchanger 5 new wind and air outlet 9 it
Between the second air channel, the 3rd air channel being arranged between total-heat exchanger 5 return air inlet and return air inlet 10, be arranged at Total heat exchange
The 4th air channel between the outlet of device 5 return air and exhaust outlet 14；Described first air channel according to the most distinguished and the most admirable to being disposed with electronic wind
Valve a2, grade one filter a3, Electric air valve b4；According to the most distinguished and the most admirable to being provided with Electric air valve c6, electronic in described second air channel
Air-valve f16, secondary filter 7, breeze fan 8；Described 3rd air channel flows to be disposed with grade one filter according to return air
B11, Electric air valve d12；Described 4th air channel flows to be disposed with exhaust fan 13 according to return air；Described second air channel and
Central baffle and the Electric air valve e15 being arranged in described central baffle it is provided with between 3rd air channel.
Described fresh wind port 1 is provided with PM2.5Concentration a17 and temperature sensor a18, described grade one filter a3 is close to electronic wind
Valve a2 is arranged, and described Electric air valve b4 is positioned at tunnel inlet above total-heat exchanger 5, and described total-heat exchanger 5 is together with in casing
New fan box is separated into two parts by centre dividing plate.
Described air outlet 9 is provided with PM2.5Concentration sensor c22, described Electric air valve c6 and Electric air valve f16 are arranged side by side,
And be positioned on front side of secondary filter 7.
Described return air inlet 10 is provided with indoor CO2Concentration sensor 21, temperature sensor b20 and PM2.5The sensor of 19 concentration
B, described grade one filter b11 next-door neighbour's return air inlet 10 is arranged, and described Electric air valve d12 is positioned at air channel below total-heat exchanger 5 and enters
Mouthful.
Wherein total-heat exchanger 5 is coupled with upper and lower two air channels, and concrete structure is as it is shown on figure 3, according to electronic wind
Valve b4 and Electric air valve d12 opens and closes the air channel that switching is different.Concrete execution is: when Electric air valve b4 and Electric air valve d12 opens
Qi Shi, new wind and air draft are flow through respectively in upper and lower two air channels, are now equivalent to bypass total-heat exchanger 5, otherwise, newly
Wind and air draft respectively enter respective air channel after carrying out heat exchange in entering middle total-heat exchanger 5 again.
Grade one filter a3, grade one filter b11 are mainly used in the bulky grain thing filtering in new wind and return air, to diameter
Removal efficiency of particulate matters more than 2.5 μm is more than 80%, and concrete structure is as shown in Figure 4.Described grade one filter a3, grade one filter
B11 housing is zinc-plated chase, and filtrate can use non-woven fabrics, nylon wire, activated carbon filter material or metal hole pattern.
Secondary filter 7 is highfield medium module, and the Removal efficiency of particulate matter of diameter 0.3 μm is reached 99.9%, specifically
Structure is as it is shown in figure 5, it not only has high efficiency filter PM2.5Ability, the advantage again with ultralow windage loss.Electric air valve c6
Secondary filter 7 can be played bypass action by the keying with Electric air valve f16.Concrete execution is: when Electric air valve c6 unlatching
When Electric air valve f16 closes, new wind is sent into indoor by breeze fan 8 after secondary filter 7 carries out depth-type filtration and purifies,
When Electric air valve c6 closes, Electric air valve f16 opens, new wind gets around secondary filter 7 and directly sends into through breeze fan machine 8
Indoor, thus windage is greatly reduced.
Below, the operation principle of the present invention is discussed in detail in conjunction with accompanying drawing.
1. as indoor PM2.5Concentration and CO2When concentration is the most up to standard, new blower fan does not carry out any operation, by control panel B
The data of display sensor detection, including temperature, the PM of room air2.5Concentration and CO2Concentration and the temperature of outdoor air,
PM2.5Concentration.
2. as indoor PM2.5Concentration is up to standard and CO2During concentration over-standard, need to introduce new wind with CO in dilution chamber2Concentration.Foundation
PM2.5The outdoor air PM that concentration sensor a17 is monitored2.5Concentration and temperature sensor a18, temperature sensor b20 are examined
The indoor and outdoor temperature surveyed is made a concrete analysis of:
(1) as outdoor air PM2.5When concentration is up to standard and indoor/outdoor temperature-difference is less than 5 DEG C, new blower fan quits work, chain of command
Plate B prompting is windowed ventilation, by CO in gravity-flow ventilation form dilution chamber2Concentration；
(2) as outdoor air PM2.5Concentration is up to standard and indoor/outdoor temperature-difference more than 5 DEG C time, open new wind filtered model one, work
As flow process being: Electric air valve a2 opens, Electric air valve f16 opens, and Electric air valve b4 closes, and Electric air valve d12 closes, and new wind depends on
It is secondary through fresh wind port 1 → Electric air valve a2 → grade one filter a3 → total-heat exchanger 5 → Electric air valve f16 → breeze fan 8,
Being sent into indoor by air outlet 9, return air sequentially passes through return air inlet 10 → grade one filter b11 → total-heat exchanger 5 → exhaust fan
13, exhaust outlet 14 drain into outdoor；
(3) as outdoor air PM2.5When concentration over-standard and indoor/outdoor temperature-difference are more than 5 DEG C, open new wind filtered model two, work
As flow process being: Electric air valve a2 opens, Electric air valve c6 opens, and Electric air valve f16 closes, and Electric air valve d12 closes, and new wind depends on
Secondary through fresh wind port 1 → Electric air valve a2 → grade one filter a3 → total-heat exchanger 5 → Electric air valve c6 → secondary filter 7
→ breeze fan 8, is sent into indoor by air outlet 9, and return air sequentially passes through return air inlet 10 → grade one filter b11 → total-heat exchanger
5 → exhaust fan 13, is drained into outdoor by exhaust outlet 14；
(4) as outdoor air PM2.5When concentration over-standard and indoor/outdoor temperature-difference are less than 5 DEG C, open new wind filtered model three, work
As flow process being: Electric air valve a2 opens, Electric air valve b4 opens, and Electric air valve c6 opens, and Electric air valve f16 closes, electronic wind
Valve d12 opens, and new wind sequentially passes through fresh wind port 1 → Electric air valve a2 grade one filter a3 → Electric air valve b4 → Electric air valve c6
→ secondary filter 7 → breeze fan 8, is sent into indoor by air outlet 9, and return air sequentially passes through return air inlet 10 → grade one filter
B11 → Electric air valve d12 → exhaust fan 13, is drained into outdoor by exhaust outlet 14；
3. as indoor PM2.5Concentration over-standard and CO2When concentration does not exceeds standard, according to indoor and outdoor PM2.5Concentration relatively select
Open internal circulation filtering pattern or new wind filtered model.If indoor PM2.5Concentration then opens new wind filtered model more than outdoor, tool
Body is according to outdoor PM2.5Whether concentration exceeds standard and whether indoor/outdoor temperature-difference selects to open new wind filtered models one, new more than 5 DEG C
Wind filtered model two or new wind filtered model three, circulation pattern in otherwise opening, the workflow of internal circulation filtering pattern is: electricity
Wind symptom valve e15 opens, and Electric air valve c6 opens, and Electric air valve f16 closes, and Electric air valve a2 closes, and return air sequentially passes through one-level
Filter b11 → Electric air valve e15 → Electric air valve c6 → secondary filter 7 → breeze fan 8, is sent into indoor by air outlet 9；
4. as indoor PM2.5Concentration and CO2When concentration all exceeds standard, according to PM2.5It is outdoor empty that concentration sensor a17 is detected
Gas PM2.5The indoor/outdoor temperature-difference that concentration and temperature sensor a18, temperature sensor b20 are detected, is carried out with the second situation
Identical comparative analysis.
In the embodiment of the present invention, Sino-Japan according to Environment Protect in China portion " ambient air quality " (GB3095-2012)
All PM2.5Concentration criterion value 75 μ g/m3 and average annual PM2.5Concentration criterion value 35 μ g/m3, by indoor PM2.5Concentration controlling value is set to 35
μg/m3；According to CO in " Indoor Air Quality standards " (GB/T18883-2002)2The standard value of concentration, by CO2Concentration limit is fixed
For 1000ppm.
Transition season is often referred to non-air-conditioning and uses season in HVAC field, is 5 DEG C with indoor/outdoor temperature-difference in the present embodiment
As criterion.
Above-described embodiment is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, it is also possible to making some improvement and equivalent, these are to the present invention
Claim improve with equivalent after technical scheme, each fall within protection scope of the present invention.
Claims (10)
1. a PM2.5And CO2The Intelligent fresh air ventilator of joint control, it is characterised in that this new blower fan includes fresh wind port (1), air outlet
(9), return air inlet (10), exhaust outlet (14), total-heat exchanger (5), be arranged at the new wind entrance of total-heat exchanger (5) and fresh wind port
(1) the first air channel between, the second air channel being arranged between total-heat exchanger (5) new wind outlet and air outlet (9), it is arranged at
The 3rd air channel between total-heat exchanger (5) return air inlet and return air inlet (10), be arranged at the outlet of total-heat exchanger (5) return air with
The 4th air channel between exhaust outlet (14), described total-heat exchanger (5) is provided above connecting the first air channel and the second air channel
Air channel, top, total-heat exchanger (5) lower section is provided with connection the 3rd air channel and the air channel, bottom in the 4th air channel；
Described first air channel according to the most distinguished and the most admirable to being disposed with Electric air valve a (2), grade one filter a (3), Electric air valve b
(4)；In described second air channel according to the most distinguished and the most admirable to be provided with Electric air valve c (6), Electric air valve f (16), secondary filter (7),
Breeze fan (8)；Described 3rd air channel flows to be disposed with grade one filter b (11), Electric air valve d according to return air
(12)；Described 4th air channel flows to be disposed with exhaust fan (13) according to return air；Described second air channel and the 3rd air channel
Between be provided with central baffle and the Electric air valve e (15) being arranged in described central baffle.
A kind of PM the most according to claim 12.5And CO2The Intelligent fresh air ventilator of joint control, it is characterised in that described fresh wind port
(1) detection PM it is provided with2.5Concentration and the sensor of outdoor temperature, described grade one filter a (3) next-door neighbour Electric air valve a (2) is arranged,
Described Electric air valve b (4) is positioned at top tunnel inlet, described total-heat exchanger (5) together with casing central baffle by new air box
Body is separated into two parts；
Described air outlet (9) is provided with detection PM2.5The sensor of concentration, described Electric air valve c (6) and Electric air valve f (16) are side by side
Arrange, and Electric air valve c (6) is positioned at secondary filter (7) front side；
Described return air inlet (10) is provided with CO in sensing chamber2Concentration, temperature and PM2.5The sensor of concentration；Described grade one filter b
(11) next-door neighbour's return air inlet (10) is arranged, and described Electric air valve d (12) is positioned at bottom tunnel inlet.
A kind of PM the most according to claim 12.5And CO2The Intelligent fresh air ventilator of joint control, it is characterised in that described single filter
The housing of device a (3) and grade one filter b (11) is zinc-plated chase, filtrate use non-woven fabrics, nylon wire, activated carbon filter material or
Metal hole pattern.
4. according to a kind of PM described in claim 1,2 or 32.5And CO2The Intelligent fresh air ventilator of joint control, it is characterised in that described two
Level filter (7) is highfield medium module.
5. a PM2.5And CO2The fresh air processing method of joint control, it is characterised in that the method is based on described in claim 1,2 or 3
PM2.5And CO2The Intelligent fresh air ventilator of joint control, according to indoor and outdoor PM2.5Concentration, temperature and indoor CO2Concentration sensor is detected
Data, be respectively adopted following six kinds of mode of operations: new wind filtered model one, new wind filtered model two, new wind filtered model three,
Internal circulation filtering pattern, Natural Ventilation Mode and standby mode；
The workflow of described new wind filtered model one is: Electric air valve a (2) opens, and Electric air valve f (16) opens, electronic wind
Valve b (4) closes, and Electric air valve d (12) closes, and new wind sequentially passes through fresh wind port (1) → Electric air valve a (2) → grade one filter a
(3) → total-heat exchanger (5) → Electric air valve f (16) → breeze fan (8), is sent into indoor, return air warp successively by air outlet (9)
Cross return air inlet (10) → grade one filter b (11) → total-heat exchanger (5) → exhaust fan (13), exhaust outlet (14) drain into room
Outward；
The workflow of described new wind filtered model two is: Electric air valve a (2) opens, and Electric air valve c (6) opens, Electric air valve
F (16) closes, and Electric air valve d (12) closes, and new wind sequentially passes through fresh wind port (1) → Electric air valve a (2) → grade one filter a
(3) → total-heat exchanger (5) → Electric air valve c (6) → secondary filter (7) → breeze fan (8), is sent into by air outlet (9)
Indoor, return air sequentially passes through return air inlet (10) → grade one filter b (11) → total-heat exchanger (5) → exhaust fan (13), by
Exhaust outlet (14) drains into outdoor；
The workflow of described new wind filtered model three is: Electric air valve a (2) opens, and Electric air valve b (4) opens, Electric air valve
C (6) opens, and Electric air valve f (16) closes, and Electric air valve d (12) opens, and new wind sequentially passes through fresh wind port (1) → Electric air valve a
(2) grade one filter a (3) → Electric air valve b (4) → Electric air valve c (6) → secondary filter (7) → breeze fan (8), by
Air outlet (9) sends into indoor, and return air sequentially passes through return air inlet (10) → grade one filter b (11) → Electric air valve d (12) → row
Wind blower fan (13), is drained into outdoor by exhaust outlet (14)；
The workflow of described internal circulation filtering pattern is: Electric air valve e (15) opens, and Electric air valve c (6) opens, electronic wind
Valve f (16) closes, and Electric air valve a (2) closes, and return air sequentially passes through grade one filter b (11) → Electric air valve e (15) → electronic
Air-valve c (6) → secondary filter (7) → breeze fan (8), is sent into indoor by air outlet (9)；
The workflow of described Natural Ventilation Mode is: the new wind of introducing of windowing, and reduces fan energy consumption；
Described standby mode is under conditions of indoor air quality is up to standard, and new blower fan is standby, does not carry out any operation.
A kind of PM the most according to claim 52.5And CO2The fresh air processing method of joint control, it is characterised in that described new wind mistake
Filter pattern one uses when following situation: non-transition season, outdoor air PM2.5When concentration is up to standard.
A kind of PM the most according to claim 52.5And CO2The fresh air processing method of joint control, it is characterised in that described new wind mistake
Filter pattern two uses when following situation: non-transition season, outdoor air PM2.5During concentration over-standard.
A kind of PM the most according to claim 52.5And CO2The fresh air processing method of joint control, it is characterised in that described new wind mistake
Filter pattern three uses when following situation: transition season, outdoor air PM2.5When concentration is up to standard.
9. according to a kind of PM described in claim 5,6,7 or 82.5And CO2The fresh air processing method of joint control, it is characterised in that institute
State internal circulation filtering pattern to use when following situation: indoor PM2.5Concentration over-standard and CO2When concentration does not exceeds standard.
10. according to a kind of PM described in claim 5,6,7 or 82.5And CO2The fresh air processing method of joint control, it is characterised in that institute
State Natural Ventilation Mode to use when following situation: transition season, outdoor air PM2.5When concentration is up to standard.
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| CN201610576599.2A CN106123193B (en) | 2016-07-19 | 2016-07-19 | A kind of PM2.5And CO2The Intelligent fresh air ventilator and fresh air processing method of joint control |
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|---|---|---|---|
| CN201610576599.2A CN106123193B (en) | 2016-07-19 | 2016-07-19 | A kind of PM2.5And CO2The Intelligent fresh air ventilator and fresh air processing method of joint control |
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| CN106123193B CN106123193B (en) | 2019-03-12 |
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| CN114151860B (en) * | 2021-12-03 | 2023-01-06 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
| CN114151860A (en) * | 2021-12-03 | 2022-03-08 | 珠海格力电器股份有限公司 | Fresh air conditioner and control method thereof |
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