The antibacterial air-treatment unit of intelligent purification
Technical field
The present invention relates to a kind of air-treatment unit, particularly the antibacterial air-treatment unit of a kind of intelligent purification.
Background technology
Architecture indoor Particulate Pollution is a key factor that affects indoor air quality, has become the focus that the whole world is paid close attention at present.The particle (PM2.5) that aerodynamic diameter is less than 2.5 μ m is called fine particle, can pass through upper lower respiratory tract and bronchus, arrive pulmonary deposition, even pass through alveolar, enter blood of human body, in addition on particle often enrichment heavy metal, acidic oxide, organic pollution, microorganism etc., this Particulate Pollution and combined pollution thereof are to one of pollutant of harm maximum.Average every increase by the 10 μ g/m of PM2.5 are found in research
3, general mortality rate increases by 1.5%, WHO and estimates that the number of dying from every year indoor pellet pollution in the whole world is up to 2,800,000.The researcher of the mechanisms such as U.S. Brigham Young Univ. calculates and draws, 1m
3the every minimizing 10 μ g of airborne fine particle, the average life expectancy of the people can extend approximately 7 months.
Conventional air-treatment unit is one multi-functional section of combination, as shown in Figure 1, described air-treatment unit comprises and being arranged in order: wind inlet section 1, fillter section is imitated (containing low efficient filter 2 in junior middle school, medium effeciency filter 4), show cold/bringing-up section 5, hot arc 6(is optional again), humidifier section 7(is optional), fan section 8, flow equalization section 9 and wind outlet section 10, between each functional section, all with changeover portion 3, connect, hot arc again 6 wherein, humidifier section 7 can require the height of class to select arrange or do not arrange according to indoor comfort, when generally speaking top grade requires, need to arrange, general comfortableness does not often arrange while requiring.
Because the degree of establishment of conventional air processing machine set filter is generally no more than medium effeciency filter, and medium effeciency filter is lower to the filter efficiency of PM2.5 fine particle, therefore adopt this structure, under outdoor haze weather or when indoor dust-producing amount is larger, the operation of air-conditioning system is often difficult to guarantee IAQ.As need guarantee IAQ, should in air-treatment unit, set up even inferior high-efficient air filter of high-medium efficient that efficiency is higher, but because filter clogging effect is when high, resistance is often larger, can cause the increase of air-conditioning draught fan energy consumption, therefore in the conventional air-treatment unit of civil buildings, often seldom use even inferior high-efficient air filter of high-medium efficient, haze weather is not to have everyday after all, and in most of situation, the concentration of room air PM2.5 still can meet the demands.
In addition, air-conditioning system especially air-treatment unit casing is pollution sources, because its inside is by the water flowing down from surface cooler (or evaporimeter), and is often also moist on each section of wall thereafter, easily breed bacteria.So there is no the air-treatment unit of bacteria resistance function is not very air-conditioning system health, aseptic.
In view of this, for solving some deficiency in existing air-conditioning system technology, the research and development of the design people based on association area, and through constantly test and improvement, and then have generation of the present invention.
Summary of the invention
The object of this invention is to provide the antibacterial air-treatment unit of a kind of intelligent purification, it can regulate the method for operation automatically according to the size of PM2.5 fine particle concentration in indoor-outdoor air, effectively guarantee IAQ, thereby build indoor environment more healthy, environmental protection.
For achieving the above object, the technical solution used in the present invention is:
The antibacterial air-treatment unit of a kind of intelligent purification, comprise wind inlet section, fillter section is imitated in junior middle school, show cold/bringing-up section, fan section and wind outlet section, it is characterized in that: also comprise high-medium efficient or sub-high-efficiency air filtering section, described high-medium efficient or sub-high-efficiency air filtering section be connected in parallel on described wind inlet section and described table cold/bringing-up section between, in described junior middle school, imitate fillter section and described table cold/be provided with first mode between bringing-up section to open and close valve, described high-medium efficient or sub-high-efficiency air filtering section and described table cold/be provided with the second pattern between bringing-up section to open and close valve, described first mode opens and closes valve and described the second pattern keying valve is selected a unlatching.
In technical scheme preferably, also can increase following technical characterictic:
Described first mode transfer valve and the second pattern transfer valve are to split leafy airtight valve.
Described unit is the antibacterial air-treatment unit of intelligent purification with return air, it is provided with indoor particle substrate concentration tester on indoor or return air house steward, described indoor particle substrate concentration tester is connected with controller, and described controller is connected respectively with described first mode transfer valve and the second pattern transfer valve.
The table of described unit is cold/and bringing-up section downstream is also provided with hot arc and humidifier section again.
The antibacterial air-treatment unit of the described intelligent purification with return air is also provided with indoor temperature and humidity sensor on indoor or return air house steward, and described indoor temperature and humidity sensor is connected with described controller, and described controller is connected with humidifier section with described hot arc again.
Described unit is the antibacterial air-treatment unit of the intelligent purification of all-fresh air, it is provided with outdoor particle concentration tester outdoor, described outdoor particle concentration tester is connected with controller, and described controller is connected respectively with described first mode transfer valve and the second pattern transfer valve.
The table of described unit is cold/and bringing-up section downstream is also provided with hot arc and humidifier section again.
The antibacterial air-treatment unit of the intelligent purification of described all-fresh air is provided with air-supply Temperature Humidity Sensor outward at described wind outlet section, and described air-supply Temperature Humidity Sensor is connected with described controller, and described controller is connected with humidifier section with described hot arc again.
Described table cold/bringing-up section and junior middle school imitate and in the dead band between fillter section, be provided with antibacterial section of sterilization, antibacterial section of described sterilization has hydrogen peroxide generator, formaldehyde generator or ozone generator, and be provided with air intake airtight valve at described wind inlet section place, at described wind outlet section, place is provided with air-out airtight valve, the hydrogen peroxide generator that described sterilization is antibacterial section, formaldehyde generator or ozone generator are connected with described controller, described air intake airtight valve, described air-out airtight valve and described fan section are connected with described controller respectively, are also provided with clock circuit on described controller.
Imitate fillter section and comprise low efficient filter and medium effeciency filter described junior middle school.
Compared with prior art, the beneficial effect that the present invention has is: the antibacterial air-treatment unit of intelligent purification of the present invention can be according to indoor-outdoor air PM2.5 concentration, automatic switchover mode of operation, realizing under the prerequisite of saving the energy, effectively control room air PM2.5 pollutant levels, and growth that can anti-bacteria, thereby build clean indoor environment.
Accompanying drawing explanation
Fig. 1 is each functional section schematic diagram of conventional air-treatment unit;
Fig. 2 is each functional section schematic diagram of the antibacterial air-treatment unit of intelligent purification;
Fig. 3 is the antibacterial air-treatment unit of intelligent purification control principle drawing;
Fig. 4 is the antibacterial new blower fan group control principle drawing of intelligent purification.
Description of reference numerals: 1-wind inlet section, 2-low efficient filter, 3-changeover portion, 4-medium effeciency filter, 5-shows cold/heater segment, and 6-is hot arc again, 7-humidifier section, 8-fan section, 9-flow equalization section, 10-wind outlet section, high-medium efficient (or sub-efficient) air filtration section 11; First mode transfer valve 12; The second pattern transfer valve 13; Air intake airtight valve 14; Air-out airtight valve 15; Sterilize antibacterial section 16; Indoor temperature and humidity sensor 17; Indoor particle substrate concentration tester 18; Outdoor particle concentration tester 19; Air-supply Temperature Humidity Sensor 20; Controller 21.
The specific embodiment
About the present invention is the application target that reaches above-mentioned and effect and the technological means that adopts, now enumerate better feasible embodiment, and coordinate shown in accompanying drawing, details are as follows:
First, as shown in Figure 2, the functional section structural representation of the antibacterial air-treatment unit of intelligent purification of the present invention (air-flow flows from right to left), it is compared with conventional air-treatment unit (as shown in Figure 1), set up high-medium efficient (or sub-efficient) air filtration section 11, described high-medium efficient (or sub-efficient) air filtration section 11 be connected in parallel on described wind inlet section 1 and described table cold/bringing-up section 5 between, described medium effeciency filter 4 and described table cold/be provided with first mode between bringing-up section 5 to open and close valve 12, and described high-medium efficient (or sub-efficient) air filtration section 11 and described table cold/be provided with the second pattern keying valve 13 between bringing-up section 5, described first mode opens and closes valve 12 and selects a unlatching with described the second pattern keying valve 13.
When using, if the antibacterial air-treatment unit of described intelligent purification detects in the air entering in unit PM2.5 concentration lower than predetermined concentration value, open described first mode and open and close valve 12, and close described the second pattern and open and close valve 13, now, the antibacterial air-treatment unit of described intelligent purification is equivalent to conventional air-treatment unit, utilizes low efficient filter 3 and the conventional air cleaning of medium effeciency filter 4 process, this is the first mode of operation, can realize energy-saving run, if the antibacterial air-treatment unit of described intelligent purification detects in the air entering in unit PM2.5 concentration greater than or equal to predetermined concentration value, open described the second pattern and open and close valve 13, and close described first mode and open and close valve 12, now, the air entering in the antibacterial air-treatment unit of described intelligent purification first passes through the purification of described high-medium efficient (or sub-efficient) air filtration section 11, filtered after PM2.5 material wherein again toward described table cold/bringing-up section 5 and more tract transmit, make the PM2.5 concentration of indoor air-supply meet air quality requirement, this is the second mode of operation.
Wherein, described first mode transfer valve 12 and the second pattern transfer valve 13 can be to split leafy airtight valve or other form airtight valves, and it can be electronic or pneumatic carrying out power.
The air source of processing according to air-treatment unit is different, and the present invention is applicable to the air-treatment unit of return air and not with the fresh air processor group of return air:
As shown in Figure 3, it is the control principle drawing with the antibacterial air-treatment unit of intelligent purification of return air, the antibacterial air-treatment unit of described intelligent purification is provided with Temperature Humidity Sensor 17 and particle concentration tester 18 on indoor or return air house steward, described Temperature Humidity Sensor 17 and particle concentration tester 18 are all connected with controller 21, described controller 21 is connected respectively with described first mode transfer valve 12 and the second pattern transfer valve 13 again, the indoor particle substrate concentration value that the present invention measures by described particle concentration tester 18, then compare with predetermined concentration value, to judge whether indoor particle substrate concentration value meets air quality requirement, if higher than predetermined concentration value, by described controller 21, open described the second pattern and open and close valve 13, and close described first mode and open and close valve 12, make described unit enter the second mode of operation, if lower than predetermined concentration value, by described controller 21, close described the second pattern and open and close valve 13, and open described first mode keying valve 12, make described unit enter the first mode of operation.
As shown in Figure 4, it is the control principle drawing of not being with the antibacterial air-treatment unit of the intelligent purification of all-fresh air of return air, the antibacterial air-treatment unit of described intelligent purification is provided with outdoor particle concentration tester 19 outdoor, outside described wind outlet section 10, be provided with air-supply Temperature Humidity Sensor 20, described air-supply Temperature Humidity Sensor 20 and described outdoor particle concentration tester 19 are all connected with controller 21, described controller 21 is connected respectively with described first mode transfer valve 12 and the second pattern transfer valve 13 again, the outdoor particle concentration value that the present invention measures by described outdoor particle concentration tester 19, then compare with predetermined concentration value, to judge whether outdoor particle concentration value meets air quality requirement, if higher than predetermined concentration value, by described controller 21, open described the second pattern and open and close valve 13, and close described first mode and open and close valve 12, make described unit enter the second mode of operation, if lower than predetermined concentration value, by described controller 21, close described the second pattern and open and close valve 13, and open described first mode keying valve 12, make described unit enter the first mode of operation.
The antibacterial air-treatment unit of intelligent purification of the present invention can also be according to the measurement data of the upper Temperature Humidity Sensor 17 of described indoor or return air house steward or air-supply Temperature Humidity Sensor 20, hot arc 6 and humidifier section 7 again described in regulating by controller 21, make Temperature and Relative Humidity of Indoor Air moderate.
In addition, the antibacterial air-treatment unit of the intelligent purification of the present invention is after long-play, easy breed bacteria, and by air-out to indoor propagation bacterium, form pollution sources, in order to tackle this situation, the antibacterial air-treatment unit of intelligent purification provided by the invention, described table cold/be formed with antibacterial section 16 of sterilization between bringing-up section 5 and high-medium efficient (or sub-efficient) air filtration section 11 and medium effeciency filter 4, described sterilization has hydrogen peroxide generator for antibacterial section 16, formaldehyde generator or ozone generator, and be provided with air intake airtight valve 14 at described wind inlet section 1 place, at described wind outlet section, 10 places are provided with air-out airtight valve 15.As shown in Figure 3, the sterilizing equipment decontaminating apparatus that described sterilization is antibacterial section 16, described air intake airtight valve 14 and described air-out airtight valve 15 are connected with described controller 21 respectively, on described controller 21, be also provided with clock circuit (not giving diagram), to realize the intelligent starting of sterilizing function.
The start and stop that described sterilization is antibacterial section 16 give comprehensive judgement by described clock circuit and blower fan start stop signal and control, and can realize intelligentized on off control, exempt manually-operated numerous and diverse.Be that time controller is presented under off working state at night, when blower fan is out of service, automatically close described air intake airtight valve 14 and air-out airtight valve 15, restart the sterilizing equipment decontaminating apparatus of sterilizing antibacterial section 16 and (consider that formaldehyde, ozone residue can injure to some extent to human body, preferred hydrogen peroxide generator), occur to finite concentration (concrete concentration value is provided by microbial decontamination compliance test result) rear out of service, under sterilization pattern, blower fan can not start, if manually start operation, can send sterilization alarm signal.
In sum, the antibacterial air-treatment unit of intelligent purification of the present invention can be according to indoor-outdoor air PM2.5 concentration, automatic switchover mode of operation, realizing under the prerequisite of saving the energy, effectively control room air PM2.5 pollutant levels, and growth that can anti-bacteria, thereby build clean indoor environment.