CN106051995A - Indoor fresh air purifying device and control method thereof - Google Patents
Indoor fresh air purifying device and control method thereof Download PDFInfo
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- CN106051995A CN106051995A CN201610621945.4A CN201610621945A CN106051995A CN 106051995 A CN106051995 A CN 106051995A CN 201610621945 A CN201610621945 A CN 201610621945A CN 106051995 A CN106051995 A CN 106051995A
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- air
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- indoor
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Classifications
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to an indoor fresh air purifying device and a control method thereof. The device comprises a fresh air channel, an exhaust channel, a door and window state detection module and a control module. A fresh air draught fan and a purifying filtering net module are arranged in the fresh air channel and are used for leading outdoor air into a room after the outdoor air is purified. An exhaust draught fan is arranged in the exhaust channel and is used for exhausting indoor air out of the room. The door and window state detection module is used for detecting door and window opening and closing states of the room where the fresh air device is located. The control module is used for controlling running of the fresh air system. The control module receives the door and window opening state signal sent by the door and window state detection module and outputting the control signal to the fresh air draught fan and the exhaust draught fan and controlling the rotating speed of the fresh air draught fan to be larger than the rotating speed of the exhaust draught fan, and it is ensured that the fresh air volume is larger than the exhaust air volume. Thus, during door opening or window opening, the fresh air volume of the fresh air draught fan is larger than the exhaust air volume of the exhaust draught fan, the positive-pressure state in the room can be kept, outdoor poor-quality air can be prevented from entering the room, and cleanliness of air in the room is kept.
Description
Technical field
The present invention relates to air-treatment technical field, specifically, relate to a kind of can be for the room of the new wind of indoor offer
Interior fresh air purification device and control method thereof.
Background technology
Along with the aggravation of air pollution, people increasingly pay attention to indoor air problems, and aeration device increasingly receives publicity.
Aeration device generally comprises fresh-air fan and exhaust fan, and fresh-air fan is indoor for being introduced by outdoor hyperoxic air,
Exhaust fan is for by outside air pollution discharge chamber low for indoor oxygen content, to keep the pure and fresh degree of room air.Existing new wind
Device typically controls fresh-air fan and the rotating speed of exhaust fan by control module, and control module can be dirty according to room air
Extent control fresh-air fan and exhaust fan run under multiple gears.But, when user opens the door or windows, easily that outdoor is dirty
Turbid air introduces indoor, causes the aggravation of room air pollution, and this is accomplished by extending the working time of aeration device to Interior Space
Gas purifies, and wastes the energy.
Summary of the invention
It is an object of the invention to provide a kind of indoor fresh air purifier, solve existing aeration device and open the door user
Or when windowing, easily outdoor air pollution is introduced indoor, cause the technical problem that room air pollution is aggravated.
For solving above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of indoor fresh air purifier, described indoor fresh air purifier includes:
Fresh air channel；
Air exhaust passage；
The fresh-air fan being arranged in fresh air channel, for introducing indoor by outdoor air；
The purification filter screen module being arranged in fresh air channel, for purifying the air of outdoor introduction；
The exhaust fan being arranged in air exhaust passage, for by outside room air discharge chamber；
Door, window state detection module, for detecting the switch state signal of door, window, and by described door, the switch state signal of window
Transmission is to control module；
Control module, in control room, fresh air purification device runs, and for receiving described door, window state detection module sends
Door, the switch state signal of window, and output control signals to described fresh-air fan and described exhaust fan, described control module connects
When receiving the open state signal of door, window, control the described fresh-air fan rotating speed rotating speed more than exhaust fan, make fresh-air volume be more than row
Wind air quantity, keeps indoor barotropic state.
Indoor fresh air purifier as above, when described control module receives open state signal, described control module
Output control signals to described exhaust fan and fresh-air fan, control described exhaust fan stop operating, described fresh-air fan dimension
Hold or improve rotating speed, or, control described exhaust fan and reduce rotating speed, the maintenance of described fresh-air fan or improve rotating speed.
Indoor fresh air purifier as above, described indoor fresh air purifier includes atmospheric pressure state detection module,
For sensing chamber's internal gas pressure signal, and by described room pressure signal transmission to described control module, described control module stores
Having setting air pressure threshold value, described control module outputs control signals to described fresh-air fan and exhaust fan, controls described new wind
The rotating speed of blower fan, more than the rotating speed of described exhaust fan, makes fresh-air volume be more than air draft air quantity, makes described room pressure value be more than
Set air pressure threshold value.
Indoor fresh air purifier as above, described indoor fresh air purifier includes that IAQ (indoor air quality) detects mould
Block and Outdoor Air Quality detection module, described IAQ (indoor air quality) detection module is used for detecting IAQ (indoor air quality) and transmitting extremely
Control module, described outdoor quality detection module is used for detecting Outdoor Air Quality and transmitting to control module, described control mould
Block judges that IAQ (indoor air quality) is better than described Outdoor Air Quality and receives described door, the door of window state detection module transmission, window
Open state signal time, output control signals to described fresh-air fan and described exhaust fan, control described fresh-air fan turn
Speed more than exhaust fan rotating speed, make fresh-air volume be more than air draft air quantity.
Design based on above-mentioned indoor fresh air purifier, the invention allows for the control of a kind of indoor fresh air purifier
Method processed, described method comprises the steps:
Step 1, door, window state detection module detection door, the open state signal of window, and the open state signal of described door, window is passed
Transport to control module；
Step 2, when control module receives open state signal, control module outputs control signals to described fresh-air fan and described
Exhaust fan, controls the rotating speed rotating speed more than described exhaust fan of described fresh-air fan, makes fresh-air volume be more than air draft air quantity,
Keep indoor barotropic state.
The control method of indoor fresh air purifier as above, in described step 2, described control module receives signal
During for open state signal, described control module outputs control signals to described exhaust fan and fresh-air fan, controls described air draft
Blower fan stops operating, described fresh-air fan maintain or improve rotating speed, or, control described exhaust fan lower rotating speed, described newly
Wind blower fan maintains or improves rotating speed.
The control method of indoor fresh air purifier as above, also includes what atmospheric pressure state detected in described step 2
Step, atmospheric pressure state detection module sensing chamber internal gas pressure signal, and by the transmission of described room pressure signal to described control module,
Described room pressure signal is compared by described control module with setting air pressure threshold value, and outputs control signals to described new wind
Blower fan and exhaust fan, control the rotating speed rotating speed more than described exhaust fan of described fresh-air fan, until described room pressure
Value is more than setting air pressure threshold value.
The control method of indoor fresh air purifier as above, it is characterised in that also include room before described step 1
Interior Detection of Air Quality and Outdoor Air Quality detect and transmit the step to control module, and described control module judges Interior Space
When makings amount is better than described Outdoor Air Quality, enter described step 1.
Compared with prior art, advantages of the present invention and good effect are: control module of the present invention can be according to door, window-like state
Door, the open state signal of window that detection module sends control fresh-air fan and the rotating speed of exhaust fan, and control module receives and opens shape
During state signal, control the rotating speed rotating speed more than exhaust fan of fresh-air fan, make fresh-air volume be more than air draft air quantity.Thus,
When opening the door or window, the rotating speed of fresh-air fan is more than air draft air quantity more than the rotating speed of exhaust fan, fresh-air volume, can keep room
Interior barotropic state, is possible to prevent outdoor second-rate air to enter indoor, it is ensured that the cleannes of room air and pure and fresh degree.
Control method of the present invention can control fresh-air fan and row according to door, the door of window state detection module transmission, the open state signal of window
The rotating speed of wind blower fan, when control module receives door and window open state signal, controls rotating speed the turning more than exhaust fan of fresh-air fan
Speed.Thus, when opening the door or windowing, the rotating speed of fresh-air fan is more than the rotating speed of exhaust fan or closes exhaust fan, makes new wind
Air quantity is more than air draft air quantity, can keep indoor barotropic state, is possible to prevent outdoor second-rate air to enter indoor, protects
The cleannes of card room air and pure and fresh degree.
After reading in conjunction with the accompanying the detailed description of embodiment of the present invention, the other features and advantages of the invention will become more
Add clear.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the first specific embodiment of the present invention.
Fig. 2 is the circuit diagram of the second specific embodiment of the present invention.
Fig. 3 is the flow chart of specific embodiment of the invention control method.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in detail.
The present embodiment proposes a kind of indoor fresh air purifier, and indoor fresh air purifier includes fresh air channel and air draft
Passage.In fresh air channel, it is provided with fresh-air fan M1, when fresh-air fan M1 rotates, drives fan to rotate, outdoor air is drawn
Enter indoor, be additionally provided with purification filter screen module in fresh air channel, after outdoor air is purified, obtain the air of cleaning
It is re-introduced into indoor, to improve the cleannes of room air and pure and fresh degree.Exhaust fan M2, air draft wind it is provided with in air exhaust passage
When machine M2 rotates, fan is driven to rotate, by outside room air discharge chamber.By fresh-air fan M1 and the rotation of exhaust fan M2,
Outdoor hyperoxic air is introduced indoor, meanwhile, by dirt relatively low for indoor oxygen content after purifying filter screen module and purifying
Turbid air passes through outside air exhaust passage discharge chamber, thus, increase pure and fresh degree and the cleannes of room air, it is ensured that Interior Space makings
Amount, improves the comfort level of indoor environment.But, during aeration device uses, the feelings opened the door or window often occur
Shape, now, if IAQ (indoor air quality) is better than Outdoor Air Quality, then frequently can lead to outdoor second-rate air and enters room
In, reduce IAQ (indoor air quality).
Based on the problems referred to above, as it is shown in figure 1, the indoor fresh air purifier of the present embodiment adds door, window state-detection
Module, door, window state detection module are for detecting the switch state signal of door, window, and are transmitted by the switch state signal of door, window
To control module.Control module is for receiving door, the door of window state detection module detection, the switch state signal of window, and exports
Control signal to fresh-air fan M1 and exhaust fan M2, control rotating speed and the rotating speed of exhaust fan M2 of fresh-air fan M1.Work as control
When molding block reception signal is open state signal, control fresh-air fan rotating speed more than the rotating speed stating exhaust fan；Or control new wind
Blower fan runs well, and exhaust fan stops, and makes fresh-air volume be more than air draft air quantity.Therefore, it is possible to keep indoor to be in malleation shape
State, reduces or prevents door, window entrance indoor that outdoor air passes through to open, reduce the pollution to room air.
In the present embodiment, door, window state detection module are installed on door, window, for detecting the on off state of door, window,
When door, window are opened, out gate, window open state signal to control module, control module output first controls signal to fresh-air fan
M1 and exhaust fan M2, controls the rotating speed rotating speed more than exhaust fan M2 of fresh-air fan M1, or control fresh-air fan M1 turns
Dynamic, exhaust fan M2 stops operating.When door, window are closed, out gate, window off status signal are to control module, and control module is defeated
Go out second and control signal to fresh-air fan M1 and exhaust fan M2, control fresh-air fan M1 identical with the rotating speed of exhaust fan M2.
When control module receives open state signal, control module outputs control signals to exhaust fan M2 and fresh-air fan
M1, control exhaust fan M2 stops operating, fresh-air fan M1 maintains or improves rotating speed, or, control exhaust fan M2 reduction turn
Speed, fresh-air fan M1 maintain or improve rotating speed.
In the present embodiment, the rotating speed of fresh-air fan M1 includes 1 grade, 2 grades, 3 grades, wherein, and 2 grades of rotating speed ＜ of 1 grade of rotating speed ＜ 3 grades
Rotating speed；The rotating speed of exhaust fan includes I shelves, II shelves, III shelves, wherein, I shelves rotating speed ＜ II shelves rotating speed ＜ III shelves rotating speed.
When door, window state detection module detection door, window the transmission of open state signal to control module, control module output the
One controls signal to fresh-air fan M1 and exhaust fan M2, can control exhaust fan M2 and stop operating, fresh-air fan M1 at 1 grade or
2 grades or 3 grades.Certainly, it is possible to control the operational taps operational taps less than fresh-air fan M1 of exhaust fan M2.
As in figure 2 it is shown, the rotating speed of fresh-air fan M1, exhaust fan M2 all includes 1 grade, 2 grades, 3 grades, control module output control
Signal processed can control fresh-air fan M1, exhaust fan M2 all works in 1 grade or 2 grades or 3 grades.Control module receives door, window-like state
The door of detection module transmission, window open state signal, output control signals to exhaust fan M2, controls exhaust fan M2 and stops turning
Dynamic, now, fresh-air fan M1 can rotate under 1 grade or 2 grades or 3 grades, is more beneficial for keeping indoor to be in barotropic state.
In the present embodiment, door, window state detection module can be magnetic switch, and when door, window are opened, door divides with doorframe
From, window separates with window frame, and magnetic switch detects that door, window are in open mode；When door, window are closed, door and door frame contact, window
Contacting with window frame, magnetic switch detects that door and window is closed.
Or, door, window state detection module can be range sensors, and when door, window are opened, door separates with doorframe, window
Separating with window frame, range sensor detects that door is more than setting value, range sensor with the distance of doorframe, window with the distance of window frame
Detect that door, window are in open mode；When door, window are closed, door and door frame contact, window contacts with window frame, and range sensor is examined
Measuring door and be less than setting value with the distance of doorframe, window with the distance of window frame, range sensor detects that door, window are in closedown shape
State.
When the degree difference that door, window are opened, in order to make indoor holding malleation, need the rotating speed of fresh-air fan M1 the most not
With.Such as, when the degree that door, window are opened is less, it is only necessary to the rotating speed of fresh-air fan M1 is less can ensure indoor positive pressure；?
When door, the degree opened of window are bigger, then the rotating speed relatively great talent of fresh-air fan M1 is needed to ensure that indoor positive pressure.
Thus, the present embodiment increases atmospheric pressure state detection module, and atmospheric pressure state detection module is for sensing chamber's internal gas pressure letter
Number, and by room pressure signal transmission to control module, having setting air pressure threshold value in control module storage, control module controls new
The rotating speed of wind blower fan M1, makes room pressure signal more than setting air pressure threshold value.At room pressure signal less than setting air pressure threshold value
Time, control module outputs control signals to fresh-air fan M1, and the rotating speed controlling fresh-air fan M1 heightens one grade, until room pressure
Signal is more than setting air pressure threshold value, thus, the degree size that the present embodiment is opened regardless of door, window, all can ensure that indoor are in
Barotropic state, it is to avoid outdoor air enters indoor, it is ensured that indoor air quality.
The indoor fresh air purifier of the present embodiment also includes IAQ (indoor air quality) detection module and Outdoor Air Quality inspection
Surveying module, IAQ (indoor air quality) detection module is used for detecting IAQ (indoor air quality) and transmitting to control module, outdoor quality testing
Module is used for detecting Outdoor Air Quality and transmitting to control module, and control module judges that IAQ (indoor air quality) is better than described outdoor
Air quality and receive described door, the open state signal of door that window state detection module sends, window time, output control signals to new
Wind blower fan and exhaust fan, control the rotating speed rotating speed more than exhaust fan of fresh-air fan.Detection of Air Quality module can be
Air quality detector, is used for detecting air quality, such as: PM2.5 content etc..
As it is shown on figure 3, the control method that the present embodiment also proposed a kind of indoor fresh air purifier comprises the steps:
S1, IAQ (indoor air quality) detection module detection IAQ (indoor air quality) is also transmitted to control module；Outdoor Air Quality module
Detection Outdoor Air Quality also transmits to control module.
S2, control module judge whether indoor control quality is better than Outdoor Air Quality, if entering step S3, otherwise enter
Enter step S1；
The signal of detection is transmitted to control module by S3, door, window state detection module；
S4, control module judge that whether signal that door, window state detection module detect is the open state signal of door, window, if so, enter
Enter step S5, otherwise enter step S3.
S5, control module output control signals to fresh-air fan and exhaust fan, control the rotating speed of fresh-air fan more than row
The rotating speed of wind blower fan, it is preferred that control exhaust fan and stop operating.
S6, atmospheric pressure state detection module sensing chamber internal gas pressure signal, and room pressure signal is transmitted to control module.
S7, control module judge whether room pressure signal is more than and set air pressure threshold value, if so, entrance step S8, otherwise,
Progressive step S9.
S8, the rotating speed gear of holding fresh-air fan.
S9, the rotating speed gear of raising fresh-air fan.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. an indoor fresh air purifier, it is characterised in that described device includes:
Fresh air channel；
Air exhaust passage；
The fresh-air fan being arranged in fresh air channel, for introducing indoor by outdoor air；
The purification filter screen module being arranged in fresh air channel, for purifying the air of outdoor introduction；
The exhaust fan being arranged in air exhaust passage, for by outside room air discharge chamber；
Door, window state detection module, for detecting the switch state signal of door, window, and by described door, the switch state signal of window
Transmission is to control module；
Control module, in control room, fresh air purification device runs, and for receiving described door, window state detection module sends
Door, the switch state signal of window, and output control signals to described fresh-air fan and described exhaust fan；Described control module connects
When receiving the open state signal of door, window, control the described fresh-air fan rotating speed rotating speed more than exhaust fan, make fresh-air volume be more than row
Wind air quantity, keeps indoor barotropic state.
Indoor fresh air purifier the most according to claim 1, it is characterised in that open shape described in the reception of described control module
During state signal, described control module outputs control signals to described exhaust fan and fresh-air fan, controls described exhaust fan and stops
Spline is dynamic, described fresh-air fan maintains or improves rotating speed, or, control described exhaust fan and reduce rotating speed, described fresh-air fan
Maintain or improve rotating speed.
Indoor fresh air purifier the most according to claim 1 and 2, it is characterised in that described indoor fresh air purifier
Including atmospheric pressure state detection module, for sensing chamber's internal gas pressure signal, and by the transmission of described room pressure signal to described control
Module, described control module storage have setting air pressure threshold value, described control module output control signals to described fresh-air fan and
Exhaust fan, controls the rotating speed rotating speed more than described exhaust fan of described fresh-air fan, makes fresh-air volume be more than air draft air quantity,
Make described room pressure value more than setting air pressure threshold value.
Indoor fresh air purifier the most according to claim 1 and 2, it is characterised in that described indoor fresh air purifier
Including IAQ (indoor air quality) detection module and Outdoor Air Quality detection module, described IAQ (indoor air quality) detection module is used for examining
Surveying IAQ (indoor air quality) and transmit to control module, described outdoor quality detection module is used for detecting Outdoor Air Quality and transmitting
To control module, described control module judges that IAQ (indoor air quality) is better than described Outdoor Air Quality and receives described door, window-like
State detection module send door, window open state signal time, output control signals to described fresh-air fan and described exhaust fan,
Control the rotating speed rotating speed more than exhaust fan of described fresh-air fan, make fresh-air volume be more than air draft air quantity.
5. a control method based on the indoor fresh air purifier described in claim 1, it is characterised in that described method bag
Include following steps:
Step 1, door, window state detection module detection door, the open state signal of window, and the open state signal of described door, window is passed
Transport to control module；
Step 2, when control module receives open state signal, control module outputs control signals to described fresh-air fan and described
Exhaust fan, controls the rotating speed rotating speed more than described exhaust fan of described fresh-air fan, makes fresh-air volume be more than air draft air quantity,
Keep indoor barotropic state.
The control method of indoor fresh air purifier the most according to claim 5, it is characterised in that in described step 2, institute
Stating control module and receive signal when being open state signal, described control module outputs control signals to described exhaust fan and new wind
Blower fan, control described exhaust fan stop operating, described fresh-air fan maintain or improve rotating speed, or, control described air draft wind
Machine lowers rotating speed, described fresh-air fan maintains or improves rotating speed.
7. according to the control method of the indoor fresh air purifier described in claim 5 or 6, it is characterised in that in described step 2
Also include the step that atmospheric pressure state detects, atmospheric pressure state detection module sensing chamber internal gas pressure signal, and described room pressure is believed
Number transmission is to described control module, and described room pressure signal is compared by described control module with setting air pressure threshold value, and
Output control signals to described fresh-air fan and exhaust fan, control the rotating speed of described fresh-air fan more than described exhaust fan
Rotating speed, until described room pressure value is more than setting air pressure threshold value.
8. according to the control method of the indoor fresh air purifier described in claim 5 or 6, it is characterised in that described step 1 it
Before also include IAQ (indoor air quality) detection and Outdoor Air Quality detect and transmit the step to control module, described control module
Judge when IAQ (indoor air quality) is better than described Outdoor Air Quality, enter described step 1.
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| CN201610621945.4A CN106051995A (en) | 2016-08-02 | 2016-08-02 | Indoor fresh air purifying device and control method thereof |
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