CN104132417B - Water spraying mechanism in air purification system and control method thereof - Google Patents
Water spraying mechanism in air purification system and control method thereof Download PDFInfo
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- CN104132417B CN104132417B CN201410399907.XA CN201410399907A CN104132417B CN 104132417 B CN104132417 B CN 104132417B CN 201410399907 A CN201410399907 A CN 201410399907A CN 104132417 B CN104132417 B CN 104132417B
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Abstract
A water spraying mechanism in an air purification system comprises a water spraying area, a water mist spraying area, a water and air separation device, an air speed sensor, an air pressure sensor, a temperature and humidity sensor, a negative ion concentration sensor and a water supply and return device. A control method of the water spraying mechanism mainly comprises the steps that air environment quality detection data of an air outlet of the air purification system are collected, the collected air environment quality detection data are compared with a preset switching threshold value, and switching is carried out between a maximum water pressure and flow control mode and a negative ion concentration control mode according to the comparison result. According to the water spraying mechanism in the air purification system and the control method of the water spraying mechanism, air speed in an air channel and water spraying pressure and spraying flow of the water spraying mechanism can be automatically controlled, air speed currently allowed by the air purification system is matched, the concentration of the negative ions generated by the air purification system is made to be optimum, and the comfort degree of the human body is improved.
Description
Technical field
The present invention relates to the watering mechanism and its controlling party in environmental improvement, more particularly to a kind of air cleaning system
Method.
Background technology
The subject matter that watering mechanism in prior art air cleaning system is present is：
1st, the mode of operation in Water spray area belongs to opened loop control, with wind speed, blast in intake stack (air channel), Water spray area
The parameter onrelevants such as the pressure of (operating) water nozzle and hydraulic spray nozzle, flow, when outside multivariable parameter changes, the Water spray area
Unit cannot change therewith.
2nd, in Water spray area without negative ion concentration control model, it is impossible to the negative ion concentration of air cleaning system is reached most
It is good.
The content of the invention
The purpose of the present invention, exactly in order to solve the above problems, there is provided in a kind of air cleaning system of new structure
Watering mechanism and its control method.
In order to achieve the above object, present invention employs technical scheme below：A kind of air cleaning system watering mechanism
Control method, comprise the following steps：
A, in advance to, under current device context, watering mechanism is in different wind speed, different irrigation pressures, different injection flows
Setting under the conditions of, produced negative ion concentration value is tested, using wind speed and irrigation pressure as master variable during test, with
Injection flow is used as secondary variable；
B, the wind speed at different levels, right between irrigation pressure at different levels, injection flow at different levels and negative ion concentration obtained by test
Should be related to and be preserved, form a formula table；
C, when regulating and controlling to the watering mechanism, according to the formula table, it is determined that institute is right in current wind speed range
The maximum negative ion concentration answered, and the corresponding irrigation pressure of the negative ion concentration and injection flow；
D, irrigation pressure and injection flow according to determined by regulate and control the watering mechanism.
Used as further improving, the control method of above-mentioned air cleaning system watering mechanism is further comprising the steps of：
Using maximum water pressure and flow control mode and negative ion concentration control model, by gathering air cleaning system air outlet
Quality of air environment detection data, the quality of air environment detection data for collecting and default switching threshold are compared,
Switched between maximum water pressure and flow control mode and negative ion concentration control model according to comparative result；
Under the negative ion concentration control model, the watering mechanism is regulated and controled according to step C and D；
Under the maximum water pressure and flow control mode, by the irrigation pressure and injection flow of the watering mechanism
It is set to maximum.
As further improving, the control method of above-mentioned air cleaning system watering mechanism, wherein, the air ring
Quality testing data in border are PM10 or PM2.5 concentration, described that the quality of air environment detection data for collecting is cut with default
Change threshold value to be compared so as to the tool switched between maximum water pressure and flow control mode and negative ion concentration control model
Body mode is：
When PM10 or PM2.5 concentration in air outlet air is detected is higher than default switching threshold, maximum is switched to
Pressure and flow control mode；PM10 or PM2.5 concentration in air outlet air is detected is less than or equal to default switching
During threshold value, negative ion concentration control model is switched to.
As further improving, the control method of above-mentioned air cleaning system watering mechanism, wherein, institute in step C
Current wind speed range is stated comprising multiple optional air speed values, or only includes a selected air speed value；
If current wind speed range only selectes air speed value comprising one, according to the formula table, the selected wind speed is determined
The corresponding maximum negative ion concentration of value, and the corresponding irrigation pressure of the negative ion concentration and injection flow.
Used as further improving, the concrete practice of above-mentioned negative ion concentration control model is：
Wind speed first for different class sets a corresponding negative ion concentration standard value, makees with the 60% of the standard value
Target is adjusted for master variable, is tested under same class wind speed, the corresponding negative ion concentration value of different irrigation pressures, record are surveyed
The different corresponding negative ion concentration value of irrigation pressure that examination is obtained, adjusts until test reaches the corresponding master variable of the class wind speed
Program mark, stops test, records current irrigation pressure, corresponding wind speed class；On this basis, further adjust injection stream
Amount so that current negative ion concentration value reaches the corresponding negative ion concentration standard value of the class wind speed, during record adjustment, spray
The respective value of amount of jet and negative ion concentration；
Under the wind friction velocity of each class, above-mentioned test is carried out, recorded under the class wind speed, irrigation pressure, injection stream
The respective value of amount and negative ion concentration；All record values are stored in the form of formula table；
In actual regulation process, single variable wind speed, the regulation ratio of irrigation pressure, according to whole air cleaning system
Air draft index parameter be foundation, when to exporting air quantity and having definite value to require, adjusted after wind speed variate-value reaches preset value first,
Further according to preserve corresponding relation, irrigation pressure is configured, and according to setting after, the actually detected value of negative ion concentration,
Irrigation pressure is finely adjusted, makes, under the wind speed, have higher negative ion concentration value；When to export air quantity can be adjusted with wide scope
During section, two-ways regulation wind speed so as to matched with irrigation pressure variate-value during increase or reduction draws different wind
Under speed, irrigation pressure, the maximum of negative ion concentration, can specifically obtain the corresponding all water sprays of wind speed class in allowed band
Pressure-injection flow-negative ion concentration value record, chooses wherein one class value of negative ion concentration highest as output.
A kind of watering mechanism in air cleaning system, is arranged on the air channel of air cleaning system, including Water spray
Area, water mist sprinkling area, moisture separator, negative ion concentration sensor, feedwater water recovery apparatus and control unit；Water spray area,
Water mist sprinkling area and moisture separator are arranged along air channel order；The air channel phase at negative ion concentration sensor and mechanism rear portion
Even；Feedwater water recovery apparatus includes supply line and water return pipeline, supply line point two-way respectively with Water spray area, water mist sprinkling area
It is connected, water return pipeline is connected with air channel；Control unit is connected with the Water spray area, water mist sprinkling area.
As further improving, the watering mechanism in above-mentioned air cleaning system, also including photo-catalytic filtering screen, the light
After catalyst drainage screen is arranged on moisture separator.
As further improving, the watering mechanism in above-mentioned air cleaning system, wherein, the feedwater water recovery apparatus is also
Including backwater treatment box, filtered water tank, freq uency conversion supercharging pump, water return filter；The water inlet connection municipal water use pipeline of filtered water tank,
The outlet connection freq uency conversion supercharging pump of filtered water tank, the outlet connection supply line of freq uency conversion supercharging pump, the outlet of water return pipeline connect
Water treatment case is taken back, water return filter is arranged at backwater treatment box, the outlet connection filtered water tank of backwater treatment box.
As further improving, the watering mechanism in above-mentioned air cleaning system, wherein, the Water spray area includes many
The individual Water spray endless tube supplied by electromagnetic valve independent control water, on each Water spray endless tube, the multiple water of 360 degree arranged for interval spray
Mouth；
The water mist sprinkling area includes multiple Water spray endless tubes supplied by electromagnetic valve independent control water, each Water spray
The multiple hydraulic spray nozzles of 360 degree of arranged for interval on endless tube；
The outlet point two-way of the supply line of the feedwater water recovery apparatus respectively with Water spray area and water mist sprinkling area
Each Water spray endless tube is connected；
In the supply line branch being connected with each Water spray endless tube in the Water spray area, be provided with water pressure sensor and
Water flow sensor, for detecting the irrigation pressure and injection flow of each Water spray endless tube in the Water spray area；
In the supply line branch being connected with each Water spray endless tube in the water mist sprinkling area, water pressure sensor is provided with
And water flow sensor, for detecting the irrigation pressure and injection flow of each Water spray endless tube in the water mist sprinkling area.
As further improving, the watering mechanism in above-mentioned air cleaning system, wherein, the moisture separator is adopted
With mesh mist eliminator, up to 98%-99.8%, gas passes through mesh mist eliminator to the arresting efficiency of its mist to particle diameter >=3～5 μm
Pressure be reduced to 250-500Pa.
Watering mechanism in above-mentioned air cleaning system, wherein, described control unit includes：
Memory element, under current device context, testing the watering mechanism wind speed at different levels for obtaining, water spray pressure at different levels
Corresponding relation between power, injection flow at different levels and negative ion concentration is preserved, and forms a formula table；The test is with wind speed
With irrigation pressure as master variable, using injection flow as secondary variable；
Searching unit, for according to the formula table, it is determined that maximum negative ion concentration corresponding in current wind speed range,
And the corresponding irrigation pressure of the negative ion concentration and injection flow；
Regulation and control unit, the irrigation pressure and injection flow for determining according to the searching unit regulate and control the Water spray machine
Structure.
As further improving, the watering mechanism in above-mentioned air cleaning system, wherein, described control unit is also wrapped
Include：
Data acquisition unit, for gather air cleaning system air outlet quality of air environment detection data,；
Comparing unit, for the quality of air environment for collecting detection data is compared with default switching threshold；
Switch unit, for the comparative result according to the comparing unit, in maximum water pressure and flow control mode and
Switch between negative ion concentration control model, when being switched under the negative ion concentration control model, indicate that the lookup is single
The corresponding irrigation pressure of unit's lookup and injection flow, and indicate the water spray pressure that the regulation and control unit is determined according to the searching unit
Power and injection flow regulate and control the watering mechanism；When being switched under the maximum water pressure and flow control mode, indicate
The irrigation pressure and injection flow of the watering mechanism are set to maximum by the regulation and control unit.
As further improving, the watering mechanism in above-mentioned air cleaning system, wherein, the data acquisition unit institute
The quality of air environment detection data of collection is PM10 or PM2.5 concentration；
PM10 or PM2.5 concentration in the air outlet air that collecting unit is collected by the comparing unit is cut with default
Change threshold value to be compared；
When PM10 or PM2.5 concentration of the switch unit in air outlet air is higher than default switching threshold, switching
To maximum pressure and flow control mode；PM10 or PM2.5 concentration in air outlet air is less than or equal to default switching
During threshold value, negative ion concentration control model is switched to.
As further improving, above-mentioned air cleaning system watering mechanism, wherein, the current wind speed range is comprising more
Individual optional air speed value, or, only comprising a selected air speed value；
If current wind speed range only selectes air speed value comprising one, the searching unit according to the formula table, it is determined that
Maximum negative ion concentration corresponding to the selected air speed value, and the corresponding irrigation pressure of the negative ion concentration and injection flow；
The regulation and control unit irrigation pressure and injection flow according to determined by regulate and control the watering mechanism；
If current wind speed range includes multiple optional air speed values, the searching unit according to the formula table, it is determined that
Maximum negative ion concentration corresponding to each optional air speed value, and the corresponding air speed value of the negative ion concentration, irrigation pressure and spray
Amount of jet；The regulation and control unit irrigation pressure and injection flow according to determined by regulate and control the watering mechanism, and according to institute
It is determined that air speed value regulate and control the air inlet unit of the air cleaning system.
The present invention is as a result of above technical scheme so as to compared with prior art, have the following advantages that and feature：
1st, watering mechanism of the invention with the big dust particle in comprehensive, quick adsorption air and superfine micro- can contain
The hydrophilic contaminant particles such as dust haze, purify air.Meanwhile, it is capable to water circulation use, save Water Energy.
2nd, watering mechanism of the invention automatically controls the irrigation pressure of wind speed and watering mechanism in air channel, injection stream
Amount, the wind speed for coordinating air cleaning system currently permitted so that the negative ion concentration produced by air cleaning system reaches most
It is good, improve human comfort.
3rd, switch between maximum water pressure and flow control mode and negative ion concentration control model automatically, pay the utmost attention to
Air purification effect, on the premise of air purification effect is met, improves the negative ion concentration in air, in air quality and people
Double shield is provided in terms of body comfort level two.
Description of the drawings
Fig. 1 is the basic structure schematic diagram of the watering mechanism in the embodiment of the present invention 1 in air cleaning system
Fig. 2 is air cleaning system watering mechanism control method flow chart in the embodiment of the present invention 2；
Fig. 3 is the control unit structure chart of air cleaning system watering mechanism in the embodiment of the present invention 3.
Specific embodiment
Embodiment 1：
Referring to Fig. 1, the watering mechanism in the air cleaning system of the present invention, including the Water spray being arranged on air channel 1
Area 2, water mist sprinkling area 3, moisture separator 4, air velocity transducer 5, wind pressure sensor 6, Temperature Humidity Sensor 7 and anion are dense
Degree sensor 8, and the feedwater water recovery apparatus 9 that is arranged on outside air channel and control unit (not shown out).Water spray area, water smoke
Spraying zone and moisture separator are arranged along air channel order；It is anterior that air velocity transducer and wind pressure sensor are separately positioned on mechanism
Air channel in, Temperature Humidity Sensor and negative ion concentration sensor are respectively provided with the air channel at mechanism rear portion；Feedwater backwater dress
Put including supply line and water return pipeline, be connected with Water spray area, water mist sprinkling area by supply line respectively, and pass through backwater
Pipeline is connected with air channel.By 5 (model of air velocity transducer：EE66), 6 (model of wind pressure sensor：ZT-150), temperature and humidity sensing
7 (model of device：WLHT-IS) and negative ion concentration sensor 8 (AIC-1000), real time on-line monitoring wind speed, wind can be distinguished
Pressure, temperature, humidity, the parameter of negative ion concentration, the next comprehensive mode of operation for determining Water spray and water mist sprinkling nozzle, and according to
(operating) water nozzle, hydraulic spray nozzle go out water pressure and discharge, and the rotating speed of Intelligent adjustment freq uency conversion supercharging pump, dynamic regulation simultaneously export,
So that the wind speed, blast in the unit follows given value changes so that the negative ion concentration produced in the mechanism is higher.Control is single
Unit is connected with Water spray area 2, water mist sprinkling area 3.
Feedwater water recovery apparatus 9 therein includes that filtered water tank 91, freq uency conversion supercharging pump 92, backwater treatment box 93, backwater filter dress
Put, supply line 94 and water return pipeline 95；The water inlet connection municipal water use pipeline of filtered water tank 91, the outlet of filtered water tank 91 connect
Freq uency conversion supercharging pump is connect, the outlet connection supply line of freq uency conversion supercharging pump, the outlet of water return pipeline 95 connect back to water treatment case 93,
Outlet connects filtered water tank, and water return filter is arranged in backwater treatment box 93.
Water spray area 2 includes multiple Water spray endless tubes supplied by electromagnetic valve independent control water, each Water spray endless tube point
Not by a Water spray electromagnetic valve (DC24V electromagnetic valve model：ZCS-DN25) independent control water supply, and with feedwater water recovery apparatus
In supply line connection, on each Water spray endless tube, uniform intervals are provided with 6 (operating) water nozzle ((operating) water nozzle models respectively：CC-1/4-
6510-304SS), the spray angle of each (operating) water nozzle is 65 degree or so；The air of 6 (operating) water nozzle omnidirectional jet flows simultaneously adsorbs big
Granule dust etc..Water pressure sensor and water flow sensor are provided with the supply line in Water spray area, for detecting that water sprays
Drench the irrigation pressure and injection flow of each Water spray endless tube in area.
Water mist sprinkling area 3 includes multiple water mist sprinkling endless tubes supplied by electromagnetic valve independent control water, each water mist sprinkling
Endless tube is respectively by a water mist sprinkling electromagnetic valve (DC24V electromagnetic valve model：ZCS-DN25) independent control water supply, and with feedwater
Supply line connection in water recovery apparatus, on each water mist sprinkling endless tube, uniform intervals are provided with 6 hydraulic spray nozzle ((operating) water nozzles respectively
Model：1/4FB-SS+FN4.0-SS), the spray angle of each hydraulic spray nozzle is 60 degree or so；Under the water pressure of 7bar, water consumption
Measure as 13L/H, the average particulate diameter for spraying drop is less than 40 μm, high-pressure atomization, further will be superfine micro- containing parents such as dust hazes
Water pollution particle absorption is lived.Water pressure sensor and water flow sensor are provided with the supply line in water mist sprinkling area, are used for
The irrigation pressure and injection flow of each Water spray endless tube in detection water mist sprinkling area.
Moisture separator 4 adopts mesh mist eliminator (304/304 types of S 800-100SP), and which is to particle diameter >=3～5 μm
The arresting efficiency of mist reaches 98%-99.8%.Gas is reduced to 250-500Pa by the pressure of mesh mist eliminator；Two spraying zones
Water injection after by water return pipeline be transported to feedwater water recovery apparatus carry out purified treatment, recycle.
By the watering mechanism, big dust particle that can be in comprehensive, quick adsorption air and superfine micro- containing dust haze
Etc. hydrophilic contaminant particles, purify air.Meanwhile, it is capable to water circulation use, save Water Energy.
Photo-catalytic filtering screen 10 can also be included on the watering mechanism of present embodiment, the photo-catalytic filtering screen is arranged on
After moisture separator.By the photo-catalytic filtering screen, further adsorb dust and contaminant particles that the possibility in air is remained,
Improve purification of air quality.
It should be noted that the model of each equipment by way of example only, is not limited to the type in each embodiment of the invention
Number equipment.
Embodiment 2
The control method of the air cleaning system watering mechanism in present embodiment, including maximum water pressure and flow control
Two kinds of control models of molding formula and negative ion concentration control model, by the air ambient matter for gathering air cleaning system air outlet
Amount detection data, the quality of air environment detection data for collecting and default switching threshold is compared, according to comparing knot
Fruit switches between maximum water pressure and flow control mode and negative ion concentration control model.
Due to the parameter such as wind speed, nozzle exit pressure, flow, temperature, humidity in change and the intake stack of negative ion concentration value
The result of comprehensive change is related, without fixed mathematical function model.Present embodiment is using wind speed and irrigation pressure as master variable
It is adjusted, the regulation proportion of two master variables accounts for 60%, is adjusted using injection flow as secondary variable, and regulation ratio is accounted for
40%.
Specifically, in advance to, under current device context, watering mechanism is in different wind speed, different irrigation pressures, difference
Under the conditions of the setting of injection flow, produced negative ion concentration value is tested, during test using wind speed and irrigation pressure as
Master variable, using injection flow as secondary variable；To test obtain wind speed at different levels, irrigation pressure at different levels, injection flow at different levels with
Corresponding relation between negative ion concentration is preserved, and forms a formula table.Under negative ion concentration control model, matched somebody with somebody according to this
Square table is regulated and controled.
In test, wind speed can be divided into by multiple class according to practical situation, be tested under same class wind speed, closed
The corresponding negative ion concentration value of different irrigation pressures in the range of reason, records the tested different irrigation pressures for obtaining corresponding
Negative ion concentration value, and current irrigation pressure, corresponding wind speed class.On this basis, further adjust injection flow
(equally in the reasonable scope), tests under same class wind speed and irrigation pressure, and the corresponding anion of different injection flows is dense
Degree standard value, under the conditions of the wind speed and irrigation pressure of each class, carries out above-mentioned test, finally gives wind speed at different levels, at different levels
Corresponding relation between irrigation pressure, injection flow at different levels and negative ion concentration.
Specific regulation and control flow process is as shown in Figure 2.
In step 201, the quality of air environment detection data of taken at regular intervals air cleaning system air outlet, such as PM10 or
PM2.5 concentration.
In step 202, the quality of air environment detection data for collecting and default switching threshold are compared, if
Quality of air environment detection data is inferior to switching threshold, then into step 203, into maximum water pressure and flow control mode；
If quality of air environment detection data is better than switching threshold, into step 204, into negative ion concentration control model.
PM10 of the quality of air environment detection data of collection by taking PM10 or PM2.5 concentration as an example, in air outlet air
Or PM2.5 concentration be higher than default switching threshold when, switch to maximum pressure and flow control mode；It is empty when air outlet is detected
When PM10 or PM2.5 concentration in gas is less than or equal to default switching threshold, negative ion concentration control model is switched to.
In step 203, using big water pressure and flow control mode control watering mechanism, watering mechanism (is included
Water spray area and water mist sprinkling area) irrigation pressure and injection flow be set to maximum.Specifically can be according to the irrigation pressure and spray
The rotating speed of freq uency conversion supercharging pump and the keying of electromagnetic valve in amount of jet regulation and control watering mechanism.
In step 204, into negative ion concentration control model, according to the formula table for being preserved, it is determined that current wind speed range
Interior corresponding maximum negative ion concentration, and the corresponding irrigation pressure of the negative ion concentration and injection flow.
What if current wind speed was to determine, directly search the corresponding maximum negative ion concentration of the wind speed, and this bear from
The corresponding irrigation pressure of sub- concentration and injection flow；If current wind speed is adjustable within the specific limits, the wind speed range is searched
Interior corresponding maximum negative ion concentration, and the corresponding wind speed of the negative ion concentration, irrigation pressure and injection flow.
In step 205, according to irrigation pressure determined by step 204 and injection flow regulation and control watering mechanism, specifically
Can be according to the rotating speed of freq uency conversion supercharging pump and the keying of electromagnetic valve in the irrigation pressure and injection flow regulation and control watering mechanism.Such as
Fruit wind speed is adjustable within the specific limits, then the air inlet mechanism of air cleaning system is entered according to determination wind speed in step 204
Row adjustment.
Afterwards, every a time period, return to step 201 continues the current air ring of collection air cleaning system air outlet
Border quality testing data.
By above-mentioned control mode so that watering mechanism can wind speed and watering mechanism in management and control air channel automatically
Irrigation pressure, injection flow, the wind speed for coordinating air cleaning system currently permitted so that negative produced by air cleaning system
Ion concentration reaches most preferably, improves human comfort.
Also, switch between maximum water pressure and flow control mode and negative ion concentration control model automatically, preferentially
Consider air purification effect, on the premise of air purification effect is met, improve the negative ion concentration in air, in air quality
Double shield is provided with terms of human comfort two.
Embodiment 3：
Embodiment 3 is further introduced to control unit therein on the basis of embodiment 1.As shown in figure 3, should
The control unit of air cleaning system watering mechanism includes：
Memory element, under current device context, testing the watering mechanism wind speed at different levels for obtaining, water spray pressure at different levels
Corresponding relation between power, injection flow at different levels and negative ion concentration is preserved, and forms a formula table；The test is with wind speed
With irrigation pressure as master variable, using injection flow as secondary variable；
Searching unit, for according to the formula table, it is determined that maximum negative ion concentration corresponding in current wind speed range,
And the corresponding irrigation pressure of the negative ion concentration and injection flow；
Regulation and control unit, the irrigation pressure and injection flow for determining according to the searching unit regulate and control the Water spray machine
Structure.
As further improving, can also include in the control unit：
Data acquisition unit, for gathering the quality of air environment detection data of air cleaning system air outlet；
Comparing unit, for the quality of air environment for collecting detection data is compared with default switching threshold；
Switch unit, for the comparative result according to the comparing unit, in maximum water pressure and flow control mode and
Switch between negative ion concentration control model, when being switched under the negative ion concentration control model, indicate that the lookup is single
The corresponding irrigation pressure of unit's lookup and injection flow, and indicate the water spray pressure that the regulation and control unit is determined according to the searching unit
Power and injection flow regulate and control the watering mechanism；When being switched under the maximum water pressure and flow control mode, indicate
The irrigation pressure and injection flow of the watering mechanism are set to maximum by the regulation and control unit.
The quality of air environment detection data gathered by data acquisition unit can be PM10 or PM2.5 concentration；
PM10 or PM2.5 concentration in the air outlet air that collecting unit is collected by comparing unit and default switching threshold
Value is compared；
When PM10 or PM2.5 concentration of the switch unit in air outlet air is higher than default switching threshold, it is switched to most
Big pressure and flow control mode；PM10 or PM2.5 concentration in air outlet air is less than or equal to default switching threshold
When, switch to negative ion concentration control model.
Used as further improving, the current wind speed range can include multiple optional air speed values, or, it is also possible to only wrap
Containing a selected air speed value；
If current wind speed range only selectes air speed value comprising one, the searching unit according to the formula table, it is determined that
Maximum negative ion concentration corresponding to the selected air speed value, and the corresponding irrigation pressure of the negative ion concentration and injection flow；
The regulation and control unit irrigation pressure and injection flow according to determined by regulate and control the watering mechanism；
If current wind speed range includes multiple optional air speed values, the searching unit according to the formula table, it is determined that
Maximum negative ion concentration corresponding to each optional air speed value, and the corresponding air speed value of the negative ion concentration, irrigation pressure and spray
Amount of jet；The regulation and control unit irrigation pressure and injection flow according to determined by regulate and control the watering mechanism, and according to institute
It is determined that air speed value regulate and control the air inlet unit of the air cleaning system.
The watering mechanism of present embodiment automatically controls the irrigation pressure of wind speed and watering mechanism in air channel, injection
Flow, the wind speed for coordinating air cleaning system currently permitted so that the negative ion concentration produced by air cleaning system reaches
Most preferably, improve human comfort.
Further, it is possible to cut between maximum water pressure and flow control mode and negative ion concentration control model automatically
Change, pay the utmost attention to air purification effect, on the premise of air purification effect is met, improve the negative ion concentration in air,
Double shield is provided in terms of air quality and human comfort two.
Claims (11)
1. a kind of control method of air cleaning system watering mechanism, it is characterised in that comprise the following steps：
A, in advance under current device context, watering mechanism is set in different wind speed, different irrigation pressures, different injection flows
Under the conditions of putting, produced negative ion concentration value is tested, using wind speed and irrigation pressure as master variable during test, to spray
Flow is used as secondary variable；
B, the wind speed at different levels obtained by test, the corresponding pass between irrigation pressure at different levels, injection flow at different levels and negative ion concentration
System is preserved, and forms a formula table；
C, when regulating and controlling to the watering mechanism, according to the formula table, it is determined that corresponding in current wind speed range
Maximum negative ion concentration, and the corresponding irrigation pressure of the negative ion concentration and injection flow；
D, irrigation pressure and injection flow according to determined by regulate and control the watering mechanism.
2. the control method of air cleaning system watering mechanism according to claim 1, it is characterised in that also include with
Lower step：Using maximum water pressure and flow control mode and negative ion concentration control model, by gathering air cleaning system
The quality of air environment detection data of air outlet, the quality of air environment detection data for collecting and default switching threshold are entered
Row compares, and is switched between maximum water pressure and flow control mode and negative ion concentration control model according to comparative result；
Under the negative ion concentration control model, the watering mechanism is regulated and controled according to step C and D；
Under the maximum water pressure and flow control mode, the irrigation pressure and injection flow of the watering mechanism are set to
It is maximum.
3. the control method of air cleaning system watering mechanism according to claim 2, it is characterised in that：The air
Environmental quality detection data be PM10 or PM2.5 concentration, it is described by the quality of air environment detection data for collecting with it is default
Switching threshold is compared so as to switch between maximum water pressure and flow control mode and negative ion concentration control model
Concrete mode is：
When PM10 or PM2.5 concentration in air outlet air is detected is higher than default switching threshold, maximum hydraulic pressure is switched to
Power and flow control mode；PM10 or PM2.5 concentration in air outlet air is detected is less than or equal to default switching threshold
During value, negative ion concentration control model is switched to.
4. the control method of air cleaning system watering mechanism according to claim 1, it is characterised in that：In step C
The current wind speed range includes multiple optional air speed values, or only includes a selected air speed value；
If current wind speed range only selectes air speed value comprising one, in step C, according to the formula table, the choosing is determined
Maximum negative ion concentration corresponding to fixed air speed value, and the corresponding irrigation pressure of the negative ion concentration and injection flow；It is described
In step D, according to determined by, irrigation pressure and injection flow regulate and control the watering mechanism；
If current wind speed range includes multiple optional air speed values, according to the formula table in step C, determine each optional
Air speed value corresponding to maximum negative ion concentration, so that it is determined that maximum negative ion concentration corresponding in current wind speed range,
And the corresponding air speed value of the negative ion concentration, irrigation pressure and injection flow；In step D, the water spray pressure according to determined by
Power and injection flow regulate and control the watering mechanism, and air speed value regulates and controls the air intake of the air cleaning system according to determined by
Mechanism.
5. the watering mechanism in a kind of air cleaning system, is arranged on the air channel of air cleaning system, it is characterised in that：Bag
Include Water spray area, water mist sprinkling area, moisture separator, negative ion concentration sensor, feedwater water recovery apparatus and control unit；Water
Spraying zone, water mist sprinkling area and moisture separator are arranged along air channel order；Negative ion concentration sensor and mechanism rear portion
Air channel is connected；Feedwater water recovery apparatus includes supply line and water return pipeline, supply line point two-way respectively with Water spray area, water smoke
Spraying zone is connected, and water return pipeline is connected with air channel；Control unit is connected with the Water spray area, water mist sprinkling area；
Described control unit includes：
Memory element, under current device context, test the watering mechanism wind speed at different levels for obtaining, irrigation pressure at different levels,
Corresponding relation between injection flows at different levels and negative ion concentration is preserved, and forms a formula table；The test with wind speed and
Irrigation pressure as master variable, using injection flow as secondary variable；
Searching unit, for according to the formula table, it is determined that maximum negative ion concentration corresponding in current wind speed range, and this
The corresponding irrigation pressure of negative ion concentration and injection flow；
Regulation and control unit, the irrigation pressure and injection flow for determining according to the searching unit regulate and control the watering mechanism.
6. the watering mechanism in air cleaning system as claimed in claim 5, it is characterised in that：Also include photocatalyst filter
Net, after the photo-catalytic filtering screen is arranged on moisture separator.
7. the watering mechanism in air cleaning system as claimed in claim 5, it is characterised in that：The feedwater water recovery apparatus
Also include backwater treatment box, filtered water tank, freq uency conversion supercharging pump, water return filter；The water inlet connection municipal water use pipe of filtered water tank
Road, the outlet connection freq uency conversion supercharging pump of filtered water tank, the outlet connection supply line of freq uency conversion supercharging pump, the outlet of water return pipeline
Water treatment case is connected back to, water return filter is arranged at backwater treatment box, the outlet connection filtered water tank of backwater treatment box.
8. the watering mechanism in air cleaning system as claimed in claim 5, it is characterised in that：The Water spray area bag
Multiple Water spray endless tubes supplied by electromagnetic valve independent control water are included, 360 degree of arranged for interval are multiple on each Water spray endless tube
(operating) water nozzle；
The water mist sprinkling area includes multiple Water spray endless tubes supplied by electromagnetic valve independent control water, each Water spray endless tube
The multiple hydraulic spray nozzles of upper 360 degree of arranged for interval；
The outlet point two-way of the supply line of the feedwater water recovery apparatus respectively with Water spray area and each water in water mist sprinkling area
Spraying ring pipe is connected；
In the supply line branch being connected with each Water spray endless tube in the Water spray area, water pressure sensor and current are provided with
Quantity sensor, for detecting the irrigation pressure and injection flow of each Water spray endless tube in the Water spray area；
In the supply line branch being connected with each Water spray endless tube in the water mist sprinkling area, water pressure sensor and water are provided with
Flow transducer, for detecting the irrigation pressure and injection flow of each Water spray endless tube in the water mist sprinkling area.
9. the watering mechanism in air cleaning system as claimed in claim 5, it is characterised in that：The moisture separator
Using mesh mist eliminator, the arresting efficiency of its mist to particle diameter >=3～5 μm reaches 98%-99.8%, and gas passes through silk screen demisting
The pressure of device is reduced to 250-500Pa.
10. the watering mechanism in air cleaning system according to claim 5, it is characterised in that described control unit
Also include：
Data acquisition unit, for gathering the quality of air environment detection data of air cleaning system air outlet；
Comparing unit, for the quality of air environment for collecting detection data is compared with default switching threshold；
Switch unit, for the comparative result according to the comparing unit, maximum water pressure and flow control mode and bear from
Switch between sub- concentration control model, when being switched under the negative ion concentration control model, indicate that the searching unit is looked into
Look for corresponding irrigation pressure and injection flow, and indicate irrigation pressure that the regulation and control unit determines according to the searching unit with
Injection flow regulates and controls the watering mechanism；When being switched under the maximum water pressure and flow control mode, indicate described
The irrigation pressure and injection flow of the watering mechanism are set to maximum by regulation and control unit.
Watering mechanism in 11. air cleaning systems according to claim 10, it is characterised in that：The data acquisition
The quality of air environment detection data gathered by unit is PM10 or PM2.5 concentration；
PM10 or PM2.5 concentration in the air outlet air that collecting unit is collected by the comparing unit and default switching threshold
Value is compared；
When PM10 or PM2.5 concentration of the switch unit in air outlet air is higher than default switching threshold, it is switched to most
Big water pressure and flow control mode；PM10 or PM2.5 concentration in air outlet air is less than or equal to default switching threshold
During value, negative ion concentration control model is switched to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410399907.XA CN104132417B (en) | 2014-08-14 | 2014-08-14 | Water spraying mechanism in air purification system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410399907.XA CN104132417B (en) | 2014-08-14 | 2014-08-14 | Water spraying mechanism in air purification system and control method thereof |
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| CN104132417A CN104132417A (en) | 2014-11-05 |
| CN104132417B true CN104132417B (en) | 2017-05-03 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749660A (en) * | 2016-01-31 | 2016-07-13 | 熊小宁 | Automatic control washing device for haze |
| CN106178945A (en) * | 2016-09-21 | 2016-12-07 | 东莞市金森工业机械有限公司 | A kind of plasma light catalytic control equipment |
| CN106237758A (en) * | 2016-10-12 | 2016-12-21 | 无锡派乐科技有限公司 | A kind of workshop dedusting mixing arrangement based on dust monitoring |
| CN108758926A (en) * | 2018-07-24 | 2018-11-06 | 刘文斌 | A kind of air-conditioning |
| CN114073220A (en) * | 2020-08-13 | 2022-02-22 | 湖南迪宏物联科技有限公司 | Spraying control method and device |
| CN116085917B (en) * | 2022-11-25 | 2023-11-17 | 无锡德润电子有限公司 | Ion generator switch control system based on wind speed induction adjustment |
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| JP2000093726A (en) * | 1998-09-22 | 2000-04-04 | Nec Home Electronics Ltd | Mist generating apparatus |
| CN2393011Y (en) * | 1999-11-05 | 2000-08-23 | 南京市大华电影院 | Air treatment apparatus used in public places |
| CN1594999A (en) * | 2004-06-17 | 2005-03-16 | 上海交通大学 | Combined type air purification and sterilization device |
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| CN104132417A (en) | 2014-11-05 |
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Effective date of registration: 20230609 Address after: 200331, Room 503, Building 148, No. 500 Zhennan Road, Putuo District, Shanghai Patentee after: SHANGHAI MEISHENG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Room 213, building 1, 2889 Qilianshan South Road, Putuo District, Shanghai 200331 Patentee before: SHANGHAI JIACHENG RAILWAY TRANSPORTATION SAFETY SYSTEM Corp. |