CN106091342A - A kind of air quality processes unit and control method thereof - Google Patents
A kind of air quality processes unit and control method thereof Download PDFInfo
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- CN106091342A CN106091342A CN201610649890.8A CN201610649890A CN106091342A CN 106091342 A CN106091342 A CN 106091342A CN 201610649890 A CN201610649890 A CN 201610649890A CN 106091342 A CN106091342 A CN 106091342A
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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
- F24F13/30—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
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
-
- 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
- F24F11/80—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
- 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
- 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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- 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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- 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
- F24F11/0001—Control or safety arrangements for ventilation
- F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
-
- 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
- F24F2110/60—Odour
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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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 discloses a kind of air quality and process unit and control method thereof, including indoor set and off-premises station, described indoor set includes cabinet and total-heat exchanger, filter assemblies, temperature-controlling module, ducting system and the control device be located in cabinet, and described control device electrically connects with described total-heat exchanger, filter assemblies, temperature-controlling module and ducting system；Described total-heat exchanger is by ducting system and indoor and outdoors air communication, and the outlet of described total-heat exchanger is by temperature-controlling module and filter assemblies and ambient air.The energy of the return air of the present invention and new wind carry out energy exchange, new wind is freezed or heats, energy in return air is recycled, save air quality and process unit refrigeration or the energy consumption of heating, the self-energy re-using indoor old air substantially is that new wind freezes or heats, and reaches the beneficial effect of the energy-conservation purpose with environmental protection.
Description
Technical field
The invention belongs to air-treatment technical field, especially a kind of air quality processes unit and control method thereof.
Background technology
Along with social development, people are more and more higher to the requirement of air quality, but add in industrial development, urbanization process
While Kuai, air created more serious pollution, particularly PM2.5 and TVOC and exceeds standard, have become as people's extensive concern
Environmental problem.TVOC is the abbreviation of all indoor organic gas materials, i.e. Volatile Organic Compound.TVOC
Be three kinds affect indoor air quality pollute in affect the most serious one.TVOC refers to that under room temperature, saturated vapour pressure exceedes
The Organic substance of 133.32pa, its boiling point is at 50 DEG C to 250 DEG C, presented in can evaporating at normal temperatures in air, it
Toxicity, zest, carcinogenecity and special odor profiles, can affect skin and mucosa, human body is produced acute lesion.Meanwhile, exist
Indoor, the harmful gas such as formaldehyde, the harm causing people's health also can not be ignored, healthy in order to ensure, a lot of families
Begin with air cleaning facility, purify the air of a room.Existing air cleaning facility is all individually to be put in indoor, passes through Interior Space
Gas circulates the air in continuous clean room.Indoor temperature is the most separately needed to be controlled regulation by air-conditioning equipment,
And make room air and external environment condition carry out outer circulation.And in order to make the air of indoor and outdoor air swap, it is achieved
Outside is the most distinguished and the most admirable to be led to indoor and is replaced indoor air, and indoor also need to install new wind devices.Therefore, same place
In in order to reach indoor air purification, temperature regulation and fresh air function need multiple corresponding equipment is installed simultaneously, not only take up an area
Area is big, waste resource, use cost are high, and the most various equipment are required for individually being controlled, in-convenience in use, and cannot be real
Existing sequence cooperating, causes the process of room air to be unable to reach preferable effect.
The patent of invention " the new blower fan of a kind of band temperature compensation function " of Publication No. CN104613547A provides one
Indoor air temperature can be adjusted, purify air and introduce the new blower fan of new wind, but, this new blower fan uses outdoor new wind
Temperature regulation and purified treatment is carried out with indoor return air again after directly mixing.Owing to the new wind in outdoor cannot absorb from indoor return air
Energy carries out lowering the temperature or heating up so that new blower fan consumes substantial amounts of electric energy and freezes new wind or heat, and adds energy consumption, and
And owing to the air quantity of return air is big, muddy return air is carried out substantial amounts of filtration, adds the load of fillter section, shorten filtration dress
In the service life put, meanwhile, air quantity and the ratio of new wind are little, reduce freshness and the quality of room air.
Summary of the invention
It is an object of the invention to solve in existing same place to reach indoor air purification, temperature regulation and new wind
Function needs to install multiple corresponding equipment simultaneously, and not only floor space is big, waste resource, use cost are high, the most various sets
For being required for individually being controlled, in-convenience in use, and orderly cooperating cannot be realized, the process causing room air cannot
The problem reaching preferable effect, it is provided that the sky that a kind of functional diversities, Function in Order coordinate, work efficiency is high and reliable and stable
Gas quality processes unit and control method thereof.
The purpose of the present invention can reach by the following technical solutions:
A kind of air quality processes unit, and including indoor set and off-premises station, described indoor set includes cabinet and is located at cabinet
In total-heat exchanger, filter assemblies, temperature-controlling module, ducting system and control device, described control device with described entirely
Heat exchanger, filter assemblies, temperature-controlling module and ducting system electrical connection；Described total-heat exchanger passes through ducting system and room
In connect with outdoor air, the outlet of described total-heat exchanger is by temperature-controlling module and filter assemblies and room air company
Logical；
Described ducting system includes return air duct, fresh air pipeline, air supply duct and exhaust duct, entering of described return air duct
Mouth and ambient air, the outlet of described return air duct is connected with described exhaust duct by total-heat exchanger, described air draft
Pipeline connects with outdoor air, air draft circulation exchange inside and outside forming chamber；The entrance of described fresh air pipeline and outdoor air communication,
The outlet of described fresh air pipeline is by total-heat exchanger, filter assemblies and air supply duct and ambient air, inside and outside forming chamber
New wind circulation exchange.
As the preferred scheme of one, the outlet of described total-heat exchanger is additionally provided with humidifier assembly, described return air duct
Outlet connect with the entrance of described total-heat exchanger, the outlet of described total-heat exchanger passes sequentially through temperature-controlling module, mistake
Filter assembly, humidifier assembly and air supply duct and ambient air, air circulation loop in forming chamber.
As the preferred scheme of one, the entrance of described return air duct and ambient air, going out of described return air duct
Mouthful connect with the entrance of described total-heat exchanger, the outlet of described total-heat exchanger by temperature-controlling module, filter assemblies and
Air supply duct and ambient air, air circulation loop in forming chamber；Exhaust duct is passed through in the outlet of described total-heat exchanger
Connect with outdoor air, air draft circulation exchange inside and outside forming chamber；The entrance of described fresh air pipeline and outdoor air communication, described
The outlet of fresh air pipeline connects with the entrance of described total-heat exchanger, and the outlet of described total-heat exchanger is by filter assemblies and send
Wind pipeline and ambient air, new wind circulation exchange inside and outside forming chamber.
Further, described filter assemblies includes vaporizer, high efficiency particulate air filter and the active carbon filter being sequentially connected with, institute
State vaporizer and described total-heat exchanger outlet, described active carbon filter and described air supply duct and described room air
Connection.
Further, described return air duct, air supply duct and exhaust duct are serially connected with return air fan, breeze fan respectively
And exhaust fan, described return air fan, breeze fan and exhaust fan electrically connect with described control device.
As the preferred scheme of one, described return air duct is provided with temperature sensor, TVOC concentration sensor, PM2.5
Sensor and CO2Concentration sensor, described high efficiency particulate air filter is provided with differential pressure pickup, and described cabinet is provided with air pressure sensing
Device, described temperature sensor, TVOC concentration sensor, PM2.5 sensor, CO2Concentration sensor, differential pressure pickup and air pressure transmission
The outfan of sensor is connected with the input of described control device.
Further, described return air duct and fresh air pipeline are respectively equipped with return air switch valve and new wind switch valve.
As the preferred scheme of one, the entrance of described return air duct and fresh air pipeline is provided with primary filter.
As the preferred scheme of one, described control device is single-chip microcomputer or PLC.
A kind of air quality process unit control method, control device by temperature sensor, TVOC concentration sensor,
PM2.5 sensor, CO2Concentration sensor and baroceptor to the return air temperature of room air, air concentration of narmful substance and
Atmospheric pressure value detects, and according to the data detected, output control command is to off-premises station, return air fan, breeze fan, air draft
Blower fan, return air switch valve and new wind switch valve；Off-premises station control from the outlet of total-heat exchanger pass sequentially through temperature-controlling module,
Filter assemblies and air supply duct also enter the temperature of air of indoor；Described return air fan controls to enter the Indoor Air of return air duct
The speed of body and flow；The outlet that described breeze fan controls from total-heat exchanger passes sequentially through temperature-controlling module and filtration group
The speed of the indoor gas of part and flow；Described exhaust fan controls from return air duct successively through total-heat exchanger and exhaust duct
The speed of indoor gas and flow；Described new wind switch valve control outdoor air pass sequentially through fresh air pipeline, total-heat exchanger,
Temperature-controlling module, filter assemblies and air supply duct also enter opening or closing of indoor air, described return air on-off valve control
Room air processed passes sequentially through return air duct, total-heat exchanger, temperature-controlling module, filter assemblies and air supply duct and goes forward side by side and enter the room
Opening or closing of interior air.
Further, the particular content of described control method is as follows:
1) indoor air temperature controls
1.1) if-2 ＜ return air temperatures-design temperature ＜ 2 degree, then device control off-premises station rotating speed is controlled constant；
1.2) return air temperature-design temperature ＞ 2, then control device and control the faster rotational speed of off-premises station；
1.3) return air temperature-design temperature ＜-2, then control device and reduce the rotating speed of off-premises station；
2) outdoor air draft closed circuit controls
2.1) if-10%* sets concentration ＜ air concentration of narmful substance-setting concentration ＜ 10%* and sets concentration, then control
It is constant that device controls exhaust fan rotating speed；
2.2) if air concentration of narmful substance-setting concentration ＞ 10%* sets concentration, then control device and control exhaust fan
Faster rotational speed；
2.3) if air concentration of narmful substance-setting concentration ＜ 90%* sets concentration, then control device and control exhaust fan
Rotating speed reduces；
3) outdoor new wind closed circuit controls
3.1) as-2 ＜ outdoor temperatures-design temperature ＜ 2, control device and control the closedown of return air switch valve, otherwise return air
Switch valve is opened, and
3.1.1) if 3Pa ＜ atmospheric pressure value-setting air pressure ＜ 7Pa, then the aperture controlling the device new wind switch valve of control is constant；
3.1.2) if atmospheric pressure value-setting air pressure ＜ 3Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
105%；
3.1.3) if atmospheric pressure value-setting air pressure ＞ 7Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
95%.
Implement the present invention, have the advantages that
1, the total-heat exchanger of the present invention is respectively equipped with two inlet and outlets, one of them import by return air duct with
Indoor connection, another import is connected with outdoor by fresh air pipeline；And one of them outlet passes sequentially through temperature-controlling module
Connect with air supply duct with filter assemblies, thus and ambient air, another outlet is connected with outdoor by exhaust duct.
Operationally, return air and new wind enter total-heat exchanger from return air duct and fresh air pipeline respectively, the energy of return air and new wind
Carry out energy exchange, new wind is freezed or heats, the energy in return air is recycled, has saved at air quality
Reason unit refrigeration or the energy consumption of heating.Return air after energy exchange is the most directly discharged to outdoor by exhaust duct, and obtains
New wind after energy then passes sequentially through temperature-controlling module, filter assemblies and air supply duct and delivers to indoor, so that indoor
Old air is all discharged outdoor, it is achieved while all-fresh air updates and supplements, re-use indoor old air substantially
Self-energy is that new wind freezes or heats, and reaches energy-conservation and environmental protection purpose.
2, the present invention uses control device by controlling filter assemblies, temperature-controlling module and ducting system in an orderly manner to room
Inside carry out temperature control, air cleaning and air chamber outer circulation to control, mutually coordinated work between each function, it is achieved to indoor
Air carries out temperature, purification and the process of new wind, solves in existing same place to reach indoor air purification, temperature tune
Joint and fresh air function need to install multiple corresponding equipment simultaneously, and not only floor space is big, waste resource, use cost are high, with
Time various equipment be required for individually being controlled, in-convenience in use, and orderly cooperating cannot be realized, cause room air
Process the problem of preferable effect of being unable to reach, there is functional diversities, Function in Order coordinates, work efficiency is high and reliable and stable
Feature.
3, the quality of room air is detected by the control method of the present invention by multiple sensors, and by PLC or
Single-chip microcomputer output control command controls return air fan, exhaust fan, breeze fan, return air switch valve and the work of new wind switch valve
State, return air, air-supply, new wind, air draft and purification to room air are controlled in an orderly manner, make mutually to assist between each function
Adjust work, it is achieved the renewal to room air is replaced, and improves the quality of room air, there is Function in Order and coordinate, work and imitate
The feature that rate is high and reliable and stable.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of air-treatment unit of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under not making creative work premise
Execute example, broadly fall into the scope of protection of the invention.
Embodiment 1
Seeing Fig. 1, the present embodiment relates to a kind of air quality and processes unit, including indoor set 1 and off-premises station, described indoor
Machine 1 includes cabinet 11 and the total-heat exchanger 12 being located in cabinet 11, filter assemblies 13, temperature-controlling module 14, ducting system
With control device, described control device and described total-heat exchanger 12, filter assemblies 13, temperature-controlling module 14 and ducting system
Electrical connection；Described total-heat exchanger 12 is by ducting system and indoor and outdoors air communication, going out of described total-heat exchanger 12
Mouth is by temperature-controlling module 14 and filter assemblies 13 and ambient air.
Described ducting system includes return air duct, fresh air pipeline, air supply duct and exhaust duct, entering of described return air duct
Mouth and ambient air, the outlet of described return air duct is connected with described exhaust duct by total-heat exchanger 12, described row
Wind pipeline connects with outdoor air, air draft circulation exchange inside and outside forming chamber；The entrance of described fresh air pipeline is with outdoor air even
Logical, the outlet of described fresh air pipeline, by total-heat exchanger 12, filter assemblies 13 and air supply duct and ambient air, is formed
The circulation exchange of indoor and outdoor new wind.It is provided with between described outdoor air draft closed circuit and outdoor new wind closed circuit for preventing from going here and there wind
Dividing plate 2, described control device is single-chip microcomputer or PLC.
This total-heat exchanger 12 is respectively equipped with two inlet and outlets, and one of them import is connected with indoor by return air duct
Logical, another import is connected with outdoor by fresh air pipeline；And one of them outlet passes sequentially through temperature-controlling module 14 and mistake
Filter assembly 13 connects with air supply duct, thus and ambient air, another outlet is connected with outdoor by exhaust duct.?
During work, return air and new wind enter total-heat exchanger 12 from return air duct and fresh air pipeline respectively, the energy of return air and new wind
Carry out energy exchange, new wind is freezed or heats, the energy in return air is recycled, has saved at air quality
Reason unit refrigeration or the energy consumption of heating.Return air after energy exchange is the most directly discharged to outdoor by exhaust duct, and obtains
New wind after energy then passes sequentially through temperature-controlling module 14, filter assemblies 13 and air supply duct and delivers to indoor, so that room
Interior old air is all discharged outdoor, it is achieved while all-fresh air updates and supplements, re-use indoor old sky substantially
The self-energy of gas is that new wind freezes or heats, and reaches energy-conservation and environmental protection purpose.
Present treatment unit uses control device orderly by controlling filter assemblies 13, temperature-controlling module 14 and ducting system
Ground carries out temperature control, air cleaning and air chamber outer circulation and controls indoor, mutually coordinated work between each function, it is achieved
Room air is carried out temperature, purification and the process of new wind, solve in existing same place in order to reach indoor air purification,
Temperature regulation and fresh air function need to install multiple corresponding equipment simultaneously, and not only floor space is big, waste resource, use cost
Height, the most various equipment are required for individually being controlled, in-convenience in use, and orderly cooperating cannot be realized, cause indoor
The process of air is unable to reach the problem of preferable effect, has functional diversities, Function in Order coordinates, work efficiency is high and steady
Fixed reliable feature.
Described filter assemblies 13 includes vaporizer 131, high efficiency particulate air filter 132 and the active carbon filter 133 being sequentially connected with,
Described vaporizer 131 and described total-heat exchanger 12 outlet, described active carbon filter 133 and described air supply duct and institute
State ambient air.Wherein active carbon filter 133 is for TVOC and CO2Gas carries out adsorption cleaning；High efficiency particulate air filter
132 for filtering less than 0.5 micron dust and float so that air was cleaned process before being passed to indoor.
Return air fan 151, breeze fan 16 and row it is serially connected with respectively on described return air duct, air supply duct and exhaust duct
Wind blower fan 17, described return air fan 151, breeze fan 16 and exhaust fan 17 electrically connect with described control device.Control device
By the duty controlling return air fan 151, room air sucked return air duct, and carry out energy by total-heat exchanger 12
After amount exchange, by exhaust fan in exhaust duct discharge chamber, it is achieved indoor return air flowing and the regulation of output are controlled.With
Sample, control device, by the duty controlling breeze fan, outdoor air is sucked total-heat exchanger 12, new wind is receiving
After the energy of return air, and deliver to indoor by temperature-controlling module 14, filter assemblies 13 and air supply duct, it is achieved new to outdoor
The regulation of wind flow and output controls.
Return air switch valve 18 and new wind switch valve 19 it is respectively equipped with on described return air duct and fresh air pipeline.Control device to lead to
Cross return air switch valve 18 and new wind switch valve 19 can open or close indoor and outdoor air draft circulation exchange and the new wind of indoor and outdoor circulates
The circulation of exchange.
Described return air duct is provided with temperature sensor, TVOC concentration sensor, PM2.5 sensor and CO2Concentration senses
Device, described high efficiency particulate air filter 132 is provided with differential pressure pickup, and described cabinet 11 is provided with baroceptor, described temperature sensing
Device, TVOC concentration sensor, PM2.5 sensor, CO2The outfan of concentration sensor, differential pressure pickup and baroceptor with
The input of described control device connects.Control device and obtain corresponding air themperature, quality and air pressure by each sensor
Data, export corresponding control signal to each blower fan and switch valve, thus realize indoor and outdoor air draft circulation exchange and indoor and outdoor
The orderly cooperating of new wind circulation exchange, forms the processing system that an entirety is orderly.
The entrance of described return air duct and fresh air pipeline is provided with primary filter 3.Roughing efficiency air filter 3 is for filtering 5 microns
With dust particles, room air is carried out coarse filtration, thus improves the service life of high efficiency particulate air filter 132.
The present embodiment also provide for a kind of air quality process unit control method, control device by temperature sensor,
TVOC concentration sensor, PM2.5 sensor, CO2Concentration sensor and baroceptor are to the return air temperature of room air, air
Concentration of narmful substance and atmospheric pressure value detect, and according to the data detected, output control command is to off-premises station, return air wind
Machine, breeze fan, exhaust fan, return air switch valve and new wind switch valve；The outlet that off-premises station controls from total-heat exchanger 12 depends on
Secondary by temperature-controlling module 14, filter assemblies 13 and air supply duct and the temperature of air entering indoor；Described return air fan
Control to enter speed and the flow of the indoor gas of return air duct；The outlet that described breeze fan controls from total-heat exchanger 12 depends on
Secondary by temperature-controlling module 14 and the speed of the indoor gas of filter assemblies 13 and flow；Described exhaust fan controls from return air
Pipeline is successively through total-heat exchanger 12 and the speed of the indoor gas of exhaust duct and flow；Described new wind switch valve controls outdoor
Air passes sequentially through fresh air pipeline, total-heat exchanger 12, temperature-controlling module 14, filter assemblies 13 and air supply duct and goes forward side by side and enter the room
In the opening or closing of air, described return air switch valve control room air pass sequentially through return air duct, total-heat exchanger 12,
Temperature-controlling module 14, filter assemblies 13 and air supply duct also enter opening or closing of indoor air.
Control device and obtain the air themperature of room air, quality and barometric information by each sensor, then export
Corresponding control signal is to each blower fan and switch valve, it is achieved the control in order of room air return air, air draft, new wind and air-supply and
Cooperating, forms the processing system that an entirety is orderly, makes room air keep the fresh and requirement of high-quality.
This orderly processing system is to indoor air temperature, outdoor air draft closed circuit and the control of outdoor new wind closed circuit
The concrete grammar of system is as follows:
1) indoor air temperature controls
1.1) if-2 ＜ return air temperatures-design temperature ＜ 2 degree, then device control off-premises station rotating speed is controlled constant；
1.2) return air temperature-design temperature ＞ 2, then control device and control the faster rotational speed of off-premises station；
1.3) return air temperature-design temperature ＜-2, then control device and reduce the rotating speed of off-premises station；
2) outdoor air draft closed circuit controls
2.1) if-10%* sets concentration ＜ air concentration of narmful substance-setting concentration ＜ 10%* and sets concentration, then control
It is constant that device controls exhaust fan 17 rotating speed；
2.2) if air concentration of narmful substance-setting concentration ＞ 10%* sets concentration, then control device and control exhaust fan
17 faster rotational speed；
2.3) if air concentration of narmful substance-setting concentration ＜ 90%* sets concentration, then control device and control exhaust fan
17 rotating speeds reduce；
3) outdoor new wind closed circuit controls
3.1) as-2 ＜ outdoor temperatures-design temperature ＜ 2, control device and control the closedown of return air switch valve, otherwise return air
Switch valve is opened, and
3.1.1) if 3Pa ＜ atmospheric pressure value-setting air pressure ＜ 7Pa, then the aperture controlling the device new wind switch valve of control is constant；
3.1.2) if atmospheric pressure value-setting air pressure ＜ 3Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
105%；
3.1.3) if atmospheric pressure value-setting air pressure ＞ 7Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
95%.
The quality of room air is detected by this control method by multiple sensors, and defeated by PLC or single-chip microcomputer
Go out control command and control return air fan, exhaust fan, breeze fan, return air switch valve and the duty of new wind switch valve, have
Return air, air-supply, new wind, air draft and the purification of room air are controlled by sequence ground, make mutually coordinated work between each function,
Realize the renewal of room air is replaced, improve the quality of room air, have Function in Order coordinate, work efficiency high and steady
Fixed reliable feature.
Embodiment 2
The present embodiment is on the basis of embodiment 1, as the improvement to air quality process unit, described Total heat exchange
The outlet of device 12 is additionally provided with humidifier assembly 15, and the outlet of described return air duct connects with the entrance of described total-heat exchanger 12,
The outlet of described total-heat exchanger 12 passes sequentially through temperature-controlling module 14, filter assemblies 13, humidifier assembly 15 and ajutage
Road and ambient air, air circulation loop in forming chamber.Can be to through temperature-controlling module by humidifier assembly 15
14 and filter assemblies 13 process after air carry out humidity dispatch deal, make the humidity flowing into indoor air from air supply duct reach
Requirement to user.
Embodiment 3
The present embodiment is on the basis of embodiment 1, improves as to return air duct, the entrance of described return air duct and room
Interior air communication, the outlet of described return air duct connects with the entrance of described total-heat exchanger 12, described total-heat exchanger 12
Export by temperature-controlling module 14, filter assemblies 13 and air supply duct and ambient air, form room air and loop back
Road；The outlet of described total-heat exchanger 12 is connected with outdoor air by exhaust duct, air draft circulation exchange inside and outside forming chamber；Institute
Stating the entrance of fresh air pipeline and outdoor air communication, the outlet of described fresh air pipeline is with the entrance of described total-heat exchanger 12 even
Logical, the outlet of described total-heat exchanger 12 is by filter assemblies 13 and air supply duct and ambient air, new inside and outside forming chamber
Wind circulation exchange.
This total-heat exchanger 12 is respectively equipped with two inlet and outlets, and one of them import is connected with indoor by return air duct
Logical, another import is connected with outdoor by fresh air pipeline；And one of them outlet passes sequentially through temperature-controlling module 14 and mistake
Filter assembly 13 connects with air supply duct, thus and ambient air, another outlet is connected with outdoor by exhaust duct.?
During work, enter the return air of total-heat exchanger 12 from return air duct and fresh air pipeline and new wind carries out energy exchange, the energy of return air
Amount and new wind carry out energy exchange, freeze new wind or heat, recycling the energy in return air, saved sky
Gas quality processes unit refrigeration or the energy consumption of heating.Most of return air after energy exchange is directly discharged to by exhaust duct
Outdoor, obtains the new wind after energy and another part return air then passes sequentially through temperature-controlling module 14, filter assemblies 13 and send
Wind pipeline delivers to indoor, so that the old air major part of indoor is discharged outdoor, and fraction is by purifying more newly entering room
In, and be indoor supplementary new wind, updating room air, the self-energy re-using indoor old air substantially is new wind
Freeze or heat, reaching energy-conservation and environmental protection purpose.
Above disclosed it is only one preferred embodiment of the present invention, certainly can not limit the power of the present invention with this
Profit scope, the equivalent variations therefore made according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (10)
1. an air quality processes unit, it is characterised in that: include indoor set and off-premises station, described indoor set include cabinet and
Total-heat exchanger, filter assemblies, temperature-controlling module, ducting system and the control device being located in cabinet, described control device
Electrically connect with described total-heat exchanger, filter assemblies, temperature-controlling module and ducting system；Described total-heat exchanger passes through air channel
System and indoor and outdoors air communication, the outlet of described total-heat exchanger is by temperature-controlling module and filter assemblies and indoor
Air communication；
Described ducting system includes return air duct, fresh air pipeline, air supply duct and exhaust duct, the entrance of described return air duct with
Ambient air, the outlet of described return air duct is connected with described exhaust duct by total-heat exchanger, described exhaust duct
Connect with outdoor air, air draft circulation exchange inside and outside forming chamber；The entrance of described fresh air pipeline and outdoor air communication, described
The outlet of fresh air pipeline by total-heat exchanger, filter assemblies and air supply duct and ambient air, new wind inside and outside forming chamber
Circulation exchange.
A kind of air quality the most according to claim 1 processes unit, it is characterised in that the outlet of described total-heat exchanger
Being additionally provided with humidifier assembly, the outlet of described return air duct connects with the entrance of described total-heat exchanger, described total-heat exchanger
Outlet pass sequentially through temperature-controlling module, filter assemblies, humidifier assembly and air supply duct and ambient air, forming chamber
Interior air circulation loop.
A kind of air quality the most according to claim 1 processes unit, it is characterised in that the entrance of described return air duct with
Ambient air, the outlet of described return air duct connects with the entrance of described total-heat exchanger, going out of described total-heat exchanger
Mouth is by temperature-controlling module, filter assemblies and air supply duct and ambient air, air circulation loop in forming chamber；Described
The outlet of total-heat exchanger is connected with outdoor air by exhaust duct, air draft circulation exchange inside and outside forming chamber；Described fresh wind tube
The entrance in road and outdoor air communication, the outlet of described fresh air pipeline connects with the entrance of described total-heat exchanger, described entirely
The outlet of heat exchanger is by filter assemblies and air supply duct and ambient air, and inside and outside forming chamber, the circulation of new wind exchanges.
A kind of air quality the most according to claim 1 processes unit, it is characterised in that described filter assemblies includes successively
Vaporizer, high efficiency particulate air filter and the active carbon filter connected, described vaporizer and described total-heat exchanger outlet, described
Active carbon filter and described air supply duct and described ambient air.
5. process unit according to a kind of air quality described in claim 1 or 3, it is characterised in that described return air duct, air-supply
Be serially connected with return air fan, breeze fan and exhaust fan on pipeline and exhaust duct respectively, described return air fan, breeze fan and
Exhaust fan electrically connects with described control device.
6. process unit according to the arbitrary described a kind of air quality of claims 1 to 3, it is characterised in that described return air duct
It is provided with temperature sensor, humidity sensor, TVOC concentration sensor, PM2.5 sensor and CO2Concentration sensor, described height
Effect filter is provided with differential pressure pickup, and described cabinet is provided with baroceptor, described temperature sensor, TVOC concentration sensing
Device, PM2.5 sensor, CO2The outfan of concentration sensor, differential pressure pickup and baroceptor is defeated with described control device
Enter end to connect.
7. process unit according to a kind of air quality described in claim 1 or 3, it is characterised in that described return air duct is with new
Return air switch valve and new wind switch valve it is respectively equipped with on wind pipeline.
8. process unit according to a kind of air quality described in claim 1 or 3, it is characterised in that described return air duct is with new
The entrance of wind pipeline is provided with primary filter.
9. the control method of an air quality process unit, it is characterised in that control device dense by temperature sensor, TVOC
Degree sensor, PM2.5 sensor, CO2Concentration sensor and baroceptor are to the return air temperature of room air, air nuisance
Matter concentration and atmospheric pressure value detect, and according to the data detected, output control command is to off-premises station, return air fan, air-supply
Blower fan, exhaust fan, return air switch valve and new wind switch valve；The outlet that off-premises station controls from total-heat exchanger passes sequentially through temperature
Control assembly, filter assemblies and air supply duct and enter the temperature of indoor air；Described return air fan controls to enter backwind tube
The speed of the indoor gas in road and flow；The outlet that described breeze fan controls from total-heat exchanger passes sequentially through temperature control group
The speed of the indoor gas of part and filter assemblies and flow；Described exhaust fan controls from return air duct successively through total-heat exchanger
Speed and flow with the indoor gas of exhaust duct；Described new wind switch valve control outdoor air pass sequentially through fresh air pipeline,
Total-heat exchanger, temperature-controlling module, filter assemblies and air supply duct also enter opening or closing of indoor air, described time
Wind switch valve controls room air and passes sequentially through return air duct, total-heat exchanger, temperature-controlling module, filter assemblies and ajutage
Road also enters opening or closing of indoor air.
A kind of air quality the most according to claim 9 processes the control method of unit, it is characterised in that described control
The particular content of method is as follows:
1) indoor air temperature controls
1.1) if-2 ＜ return air temperatures-design temperature ＜ 2 degree, then device control off-premises station rotating speed is controlled constant；
1.2) return air temperature-design temperature ＞ 2, then control device and control the faster rotational speed of off-premises station；
1.3) return air temperature-design temperature ＜-2, then control device and reduce the rotating speed of off-premises station；
2) outdoor air draft closed circuit controls
2.1) if-10%* sets concentration ＜ air concentration of narmful substance-setting concentration ＜ 10%* and sets concentration, then device is controlled
Control exhaust fan rotating speed constant；
2.2) if air concentration of narmful substance-setting concentration ＞ 10%* sets concentration, then control device and control exhaust fan rotating speed
Accelerate；
2.3) if air concentration of narmful substance-setting concentration ＜ 90%* sets concentration, then control device and control exhaust fan rotating speed
Reduce；
3) outdoor new wind closed circuit controls
3.1) as-2 ＜ outdoor temperatures-design temperature ＜ 2, control device and control the closedown of return air switch valve, otherwise return air switch
Valve is opened, and
3.1.1) if 3Pa ＜ atmospheric pressure value-setting air pressure ＜ 7Pa, then the aperture controlling the device new wind switch valve of control is constant；
3.1.2) if atmospheric pressure value-setting air pressure ＜ 3Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
105%；
3.1.3) if atmospheric pressure value-setting air pressure ＞ 7Pa, then the aperture controlling the device new wind switch valve of control is existing aperture
95%.
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| CN201610649890.8A CN106091342A (en) | 2016-08-09 | 2016-08-09 | A kind of air quality processes unit and control method thereof |
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| CN201610649890.8A CN106091342A (en) | 2016-08-09 | 2016-08-09 | A kind of air quality processes unit and control method thereof |
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| CN106678992A (en) * | 2017-03-08 | 2017-05-17 | 孙金鹏 | Intelligent fresh and return air volume adjusting type air purifier |
| CN107143962A (en) * | 2017-06-19 | 2017-09-08 | 嘉善玏奇电器贸易有限公司 | New blower fan |
| CN107218657A (en) * | 2017-06-19 | 2017-09-29 | 湖南六星环保科技有限公司 | Fresh air conditioner all-in-one |
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| CN109737556A (en) * | 2018-03-07 | 2019-05-10 | 北京三五二环保科技有限公司 | The control method of ceiling mounting type Fresh air handling units |
| CN110454931A (en) * | 2018-05-08 | 2019-11-15 | 厦门圣诚净化工程有限公司 | Air-conditioner control system |
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