CN110410888B - Electrostatic adsorption dust removal fresh air system of intelligent control electrode - Google Patents

Electrostatic adsorption dust removal fresh air system of intelligent control electrode Download PDF

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CN110410888B
CN110410888B CN201910483986.5A CN201910483986A CN110410888B CN 110410888 B CN110410888 B CN 110410888B CN 201910483986 A CN201910483986 A CN 201910483986A CN 110410888 B CN110410888 B CN 110410888B
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air
electrode
outdoor
indoor
dust removal
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CN110410888A (en
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徐丽天
胡维荣
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Nanjing Softaqua Intelligent Technology Co ltd
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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
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F24F11/72—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
    • 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
    • F24F8/192—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 by electrical means, e.g. by applying electrostatic fields or high voltages
    • 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
    • F24F2110/12—Temperature of the 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
    • F24F2110/20—Humidity
    • F24F2110/22—Humidity of the 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
    • F24F2110/40—Pressure, e.g. wind pressure
    • 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
    • F24F2110/52—Air quality properties of the 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
    • F24F2110/64—Airborne particle content
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Electrostatic Separation (AREA)

Abstract

The invention relates to an electrostatic adsorption dust removal fresh air system of an intelligent control electrode, wherein the fresh air system comprises an external air quality sensor group, a fan, a heater, an electrode type air purifier, an internal air quality sensor group and an air passage. The method greatly improves the control intelligence degree of the purification power of the purification unit and improves the utilization efficiency of energy.

Description

Electrostatic adsorption dust removal fresh air system of intelligent control electrode
Technical Field
The invention relates to the technical field of fresh air conditioners, in particular to an electrostatic adsorption dust removal fresh air system of an intelligent control electrode.
Background
In current new trend system, when the process of improving air quality, because restricted and purification unit's structure or power restriction, generally adopt same power to purify, when indoor outer air quality is poor great, need improve purification efficiency, when indoor outer air quality is poor less, can suitably reduce purification efficiency, the energy saving.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an electrostatic adsorption dust removal fresh air system of an intelligent control electrode.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electrostatic adsorption dust removal fresh air system of intelligent control electrode, the fresh air system comprises an external air quality sensor group, a fan, a heater, an electrode type air purifier and an internal air qualityThe air quality sensor group is used for collecting outdoor air related data, including outdoor PM2.5 concentration PMOOutdoor temperature TOAnd humidity RHOOutdoor air pressure PoThe internal air quality sensor group is used for collecting indoor air related data including indoor PM2.5 concentration PMiAnd the indoor air pressure Pi(ii) a The air passage is communicated with the outdoor space, the fan, the heater, the electrode type air purifier and the indoor space in sequence;
the method is characterized in that: the purifying power of the electrode type air purifier is controlled by the indoor and outdoor pressure difference and the indoor and outdoor PM2.5 pollutant concentration, and the specific control method comprises the following steps:
step 1, collecting data, namely collecting outdoor air related data through an external air quality sensor group, collecting indoor air related data through an internal air quality sensor group, and checking that the static ventilation quantity of a fan is Q through the power I of the fan, and the pipeline sectional area of an air passage is S;
step 2, calculating the natural pressure static ventilation quantity, wherein the calculation formula of the natural pressure static ventilation quantity is as follows:
Figure GDA0002925819370000011
wherein, V0: natural pressure static ventilation; ρ: the density of the air; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway;
and 3, calculating theoretical actual ventilation quantity, wherein a calculation formula of the theoretical actual ventilation quantity is as follows:
V1＝Q+[V02/(Q2+V02)]Q (2)
wherein, V1: theoretical actual ventilation; q: the static ventilation quantity of the fan;
and 4, calculating the corrected actual ventilation volume, wherein the calculation formula of the corrected actual ventilation volume is as follows:
V2＝[(Po-Pi)/(Q/S)]*S+Q (3)
wherein, V2: correcting the actual ventilation quantity; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway; q: the static ventilation quantity of the fan;
and 5, calculating the current purification efficiency of the purification electrode, wherein the calculation formula of the current purification efficiency of the purification electrode is as follows:
q＝Wt-1/[V2*(PMo-PMi)] (4)
wherein, q: current purification efficiency of the purification electrode; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)i: indoor PM2.5 concentration; v2: correcting the actual ventilation quantity; wt-1: current cleaning power of the cleaning electrode;
step 6, calculating the correction power of the purifying electrode, wherein the calculation formula of the correction power of the purifying electrode is as follows:
W＝q*[V1*(PMo-PMtarget) (5)
Wherein, q: current purification efficiency of the purification electrode; v1: theoretical actual ventilation; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)Target: the indoor demand PM2.5 concentration.
The pipeline sectional area of the air passage is the inner diameter sectional area of the ventilation air passage.
And 2, measuring the outdoor air temperature and the outdoor air humidity parameters of the air density parameters in the step 2, and then further looking up the table to obtain the outdoor air density corresponding to the parameters.
The outdoor air density corresponding to the outdoor air temperature and the outdoor air humidity is arranged into a database, and after the corresponding outdoor air temperature and outdoor air humidity parameters are obtained through measurement, the controller can directly read relevant outdoor air density data in the database.
Electrode formula air purifier obtain for regular hexagon's electrode formula air purification unit concatenation by a plurality of cross-sections, a plurality of electrode formula air purification unit splices each other and forms honeycomb structure, every electrode formula air purification unit includes positive plate and negative pole stick, the positive plate splice each other and form the positive pole structure that the cross-section is regular hexagon, the axle center of negative pole stick be located the central point in regular hexagon cross-section and put.
The positive plate is made of an aluminum plate, and the negative rod is made of metal molybdenum.
The purifying power of the electrode type air purifier is realized by opening different numbers of electrode type air purifying units and controlling the purifying power of each electrode type air purifying unit.
The electrostatic adsorption dust removal fresh air system of the intelligent control electrode has the beneficial effects that: be provided with multiunit electrode formula air purification unit, combine the setting to different electrode formula air purification unit's purification power through opening the electrode formula air purification unit of different quantity, realize the control to whole electrode formula air purifier's purification power. And calculating to obtain actual purification efficiency through the actual ventilation quantity and the actual purification power, and further calculating to-be-modified purification power through the theoretical ventilation quantity.
Drawings
FIG. 1 is a schematic structural diagram of a fresh air system in an electrostatic adsorption dust removal fresh air system of an intelligent control electrode.
Fig. 2 is a structural schematic diagram of an electrode type air purifier in an electrostatic adsorption dust removal fresh air system of an intelligent control electrode.
Reference numerals: 1. an external air quality sensor group; 2. a fan; 3. a heater; 4. an electrode type air purifier; 5. an internal air quality sensor group; 6. an airway; 7. an electrode type air purification unit; 8. a positive plate; 9. and a negative electrode bar.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the electrostatic adsorption dust removal fresh air system of the intelligent control electrode comprises an external air quality sensor group 1, a fan 2, a heater 3, an electrode type air purifier 4, an internal air quality sensor group 5 and an air channel 6, wherein the air quality sensor group 1 is used for collecting outdoor air related data including outdoor PM2.5 concentration PM2.5OOutdoor temperature TOAnd humidity RHOIndoor roomExternal air pressure PoThe internal air quality sensor group 5 is used for collecting indoor air related data including indoor PM2.5 concentration PMiAnd the indoor air pressure Pi(ii) a The air passage 6 is communicated with the outdoor space, the fan 2, the heater 3, the electrode type air purifier 4 and the indoor space in sequence;
the method is characterized in that: the purification power of the electrode type air purifier 4 is controlled by the indoor and outdoor pressure difference and the indoor and outdoor PM2.5 pollutant concentration, and the specific control method comprises the following steps:
step 1, collecting data, namely collecting outdoor air related data through an external air quality sensor group 1, collecting indoor air related data through an internal air quality sensor group 5, and checking that the static ventilation quantity of a fan 2 is Q through the power I of the fan 2, and the pipeline sectional area of an air passage 6 is S;
step 2, calculating the natural pressure static ventilation quantity, wherein the calculation formula of the natural pressure static ventilation quantity is as follows:
Figure GDA0002925819370000031
wherein, V0: natural pressure static ventilation; ρ: the density of the air; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway;
and 3, calculating theoretical actual ventilation quantity, wherein a calculation formula of the theoretical actual ventilation quantity is as follows:
V1＝Q+[V02/(Q2+V02)]Q (2)
wherein, V1: theoretical actual ventilation; q: the static ventilation quantity of the fan;
and 4, calculating the corrected actual ventilation volume, wherein the calculation formula of the corrected actual ventilation volume is as follows:
V2＝[Po-Pi/(Q/S)]*S+Q (3)
wherein, V2: correcting the actual ventilation quantity; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway; q: the static ventilation quantity of the fan;
and 5, calculating the current purification efficiency of the purification electrode, wherein the calculation formula of the current purification efficiency of the purification electrode is as follows:
q＝Wt-1/[V2*PMo-PMi] (4)
wherein, q: current purification efficiency of the purification electrode; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)i: indoor PM2.5 concentration; v2: correcting the actual ventilation quantity; wt-1: current cleaning power of the cleaning electrode;
step 6, calculating the correction power of the purifying electrode, wherein the calculation formula of the correction power of the purifying electrode is as follows:
W＝q*[V1*PMo-PMtarget (5)
Wherein, q: current purification efficiency of the purification electrode; v1: theoretical actual ventilation; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)Target: the indoor demand PM2.5 concentration.
In this embodiment, the duct cross-sectional area of the air passage is an inner diameter cross-sectional area of the ventilation air passage.
In this embodiment, the air density parameter in step 2 is obtained by measuring the outdoor air temperature and the outdoor air humidity parameter, and then by looking up the table to obtain the outdoor air density corresponding to the parameter.
In this embodiment, the outdoor air density corresponding to the outdoor air temperature and the outdoor air humidity is sorted into the database, and after the corresponding outdoor air temperature and the corresponding outdoor air humidity parameter are obtained through measurement, the controller can directly read the relevant outdoor air density data in the database.
In this embodiment, electrode air purifier 4 is obtained for the concatenation of regular hexagon's electrode type air purification unit 7 by a plurality of cross-sections, and a plurality of electrode type air purification unit 7 splices each other and forms honeycomb structure, and every electrode type air purification unit 7 includes positive plate 8 and negative pole stick 9, positive plate 8 splice each other and form the cross-section and be regular hexagon's positive pole structure, the axle center of negative pole stick 9 be located the central point on regular hexagon cross-section and put.
In this embodiment, the positive electrode plate 8 is made of an aluminum plate, and the negative electrode rod 9 is made of molybdenum.
In this embodiment, the purifying power of the electrode type air purifier 4 is realized by turning on different numbers of the electrode type air purifying units 7 and controlling the purifying power of each electrode type air purifying unit 7.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.

Claims (7)

1. The utility model provides an electrostatic absorption dust removal new trend system of intelligent control electrode, new trend system includes outside air quality sensor group (1), fan (2), heater (3), electrode air purifier (4), inside air quality sensor group (5) and air flue (6), air quality sensor group (1) be used for gathering outdoor air relevant data, including outdoor PM2.5 concentration PMOOutdoor temperature TOAnd humidity RHOOutdoor air pressure PoThe internal air quality sensor group (5) is used for collecting indoor air related data including indoor PM2.5 concentration PMiAnd the indoor air pressure Pi(ii) a The air passage (6) is communicated with the outdoor space, the fan (2), the heater (3), the electrode type air purifier (4) and the indoor space in sequence;
the method is characterized in that: the purifying power of the electrode type air purifier (4) is controlled through indoor and outdoor pressure difference and indoor and outdoor PM2.5 pollutant concentration, and the specific control method is as follows:
step 1, collecting data, collecting outdoor air related data through an external air quality sensor group (1), collecting indoor air related data through an internal air quality sensor group (5), and checking that the static ventilation quantity of a fan (2) is Q according to the power I of the fan (2), and the pipeline sectional area of an air passage (6) is S;
step 2, calculating the natural pressure static ventilation quantity, wherein the calculation formula of the natural pressure static ventilation quantity is as follows:
Figure FDA0002925819360000011
wherein, V0: natural pressure static ventilation; ρ: the density of the air; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway;
and 3, calculating theoretical actual ventilation quantity, wherein a calculation formula of the theoretical actual ventilation quantity is as follows:
V1＝Q+[V02/(Q2+V02)]Q (2)
wherein, V1: theoretical actual ventilation; q: the static ventilation quantity of the fan;
and 4, calculating the corrected actual ventilation volume, wherein the calculation formula of the corrected actual ventilation volume is as follows:
V2＝[(Po-Pi)/(Q/S)]*S+Q] (3)
wherein, V2: correcting the actual ventilation quantity; pi: indoor air pressure; po: outdoor air pressure; s: the duct cross-sectional area of the airway; q: the static ventilation quantity of the fan;
and 5, calculating the current purification efficiency of the purification electrode, wherein the calculation formula of the current purification efficiency of the purification electrode is as follows:
q＝Wt-1/[V2*(PMo-PMi)] (4)
wherein, q: current purification efficiency of the purification electrode; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)i: indoor PM2.5 concentration; v2: correcting the actual ventilation quantity; wt-1: current cleaning power of the cleaning electrode;
step 6, calculating the correction power of the purifying electrode, wherein the calculation formula of the correction power of the purifying electrode is as follows:
W＝q*[V1*(PMo-PMtarget)] (5)
Wherein, q: current purification efficiency of the purification electrode; v1: theoretical actual ventilation; PM (particulate matter)O: outdoor PM2.5 concentration; PM (particulate matter)Target: the indoor demand PM2.5 concentration.
2. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 1, wherein: the pipeline sectional area of the air passage is the inner diameter sectional area of the ventilation air passage.
3. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 1, wherein: and 2, measuring the outdoor air temperature and the outdoor air humidity parameters of the air density parameters in the step 2, and then further looking up the table to obtain the outdoor air density corresponding to the parameters.
4. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 3, wherein: the outdoor air density corresponding to the outdoor air temperature and the outdoor air humidity is arranged into a database, and after the corresponding outdoor air temperature and outdoor air humidity parameters are obtained through measurement, the controller can directly read relevant outdoor air density data in the database.
5. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 1, wherein: electrode formula air purifier (4) obtain for regular hexagon's electrode formula air purification unit (7) concatenation by a plurality of cross-sections, a plurality of electrode formula air purification unit (7) splice each other and form honeycomb structure, every electrode formula air purification unit (7) include positive plate (8) and negative pole stick (9), positive plate (8) splice each other and form the cross-section and be regular hexagon's positive pole structure, the axle center of negative pole stick (9) be located regular hexagon cross-sectional central point and put.
6. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 5, wherein: the positive plate (8) is made of an aluminum plate, and the negative rod (9) is made of metal molybdenum.
7. The electrostatic adsorption dust removal fresh air system of the intelligent control electrode as claimed in claim 5, wherein: the purifying power of the electrode type air purifier (4) is realized by opening different numbers of electrode type air purifying units (7) and controlling the purifying power of each electrode type air purifying unit (7).
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