CN112254239A - Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions - Google Patents

Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions Download PDF

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Publication number
CN112254239A
CN112254239A CN202011208908.3A CN202011208908A CN112254239A CN 112254239 A CN112254239 A CN 112254239A CN 202011208908 A CN202011208908 A CN 202011208908A CN 112254239 A CN112254239 A CN 112254239A
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CN
China
Prior art keywords
air
machine body
conditioning unit
bypass
air conditioning
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CN202011208908.3A
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Chinese (zh)
Inventor
李灿锋
李枫
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Individual
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Individual
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Priority to CN202011208908.3A priority Critical patent/CN112254239A/en
Publication of CN112254239A publication Critical patent/CN112254239A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54Free-cooling systems

Abstract

The invention discloses an air conditioning unit with strong working condition adaptability and a disinfection and sterilization function, which comprises a machine body, wherein a wind mixing bin is arranged on one side of the bottom in the machine body, a wind return assembly is arranged on one side of the top of the machine body, a bypass assembly is arranged in the middle of the top of the machine body, a wind port assembly is arranged on one side of the machine body, and two groups of surface heat exchangers are arranged in the middle of the inside of the machine body. The invention can realize various air treatment processes through the mutual matching of the surface type heat exchanger, the air mixing bin and the humidifier, so that the air conditioning unit has strong adaptability to variable working conditions, and all or part of fresh air can not pass through two groups of surface type heat exchangers under certain special working conditions through the bypass electric air valve (capable of adjusting the air quantity) and the third primary filter, thereby reducing the flow resistance and the power consumption of the fan and realizing the purpose of energy conservation.

Description

Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions
Technical Field
The invention relates to the field of air conditioning units, in particular to an air conditioning unit with strong working condition adaptability and a disinfection and sterilization function.
Background
The air volume of the air conditioning unit is measured from 3500m3/h to 200000m3/h, and 30 specifications of 12 functional sections are provided for users to freely select and combine; the air purification system is mainly suitable for various clean plants, such as industrial electronic factories, precision machinery manufacturing factories, textile workshops, automobile spraying workshops, GMP pharmaceutical factories, cosmetics, food factories, pure water workshops, hospital operating departments, ICUs and other occasions; the method is classified according to structural types and can be divided into horizontal type, vertical type and ceiling type; classified according to the characteristics of the purposes, the units can be divided into general units, fresh air handling units, purification units and special units (such as roof units, subway units, computer room special units and the like); the air conditioning unit can be classified according to specifications, and the basic specifications of the unit can be expressed by rated air volume; the arrangement of the functional sections of the purification unit is determined according to the production process or the clean room requirement, which is a basic principle; the combination and selection of the functional sections of the purification unit are closely combined with the design of the air-conditioned room;
the existing air conditioning unit still has the obvious problems that: 1. the existing air conditioning unit has the problem that the functional mode which can only be used for cooling and dehumidifying, or can only be used for cooling, dehumidifying and reheating, or can only be used for heating is incomplete. The air conditioning unit has weak adaptability to variable working conditions, and various requirements on air treatment are difficult to realize under the condition of annual working condition change; 2. under some special working conditions (such as autumn working conditions), although a so-called 'fresh air direct-in' operation mode that fresh air is directly sent into a room without heat and humidity treatment can be realized, the fresh air must pass through a surface heat exchanger, so that the problem of increased wind resistance is caused; 3. in the application of the current ventilation air conditioning system, the old air conditioning unit does not have the air disinfection and sterilization function or adopts the air disinfection and sterilization technology with certain defects, such as: high-voltage power supply is needed, the cleaning is troublesome, the disinfection and sterilization capability is weak, the energy consumption is high, ozone harmful to human bodies is generated, secondary pollutants are generated, and the like; 4. the existing high-voltage electrostatic dust removal technology works in a discharge mode, and a large amount of ozone harmful to human bodies can be generated. The paper or cotton filter has limited dust holding capacity, needs to be replaced after running for a certain time, cannot be reused, and causes the problems of increased use cost and environmental protection caused by abandoning the paper or cotton filter; meanwhile, the paper or cotton filter is coarse and medium-efficiency filtration, and cannot efficiently filter suspended fine particulate matters (such as PM2.5) in the air. In the aspect of cleaning a common fiber coarse and medium-efficiency filter, the use cost is low, but the filtering effect is poor, and suspended fine particles (such as PM2.5) in the air cannot be efficiently filtered; 5. The existing non-integrated combined sterilizing and filtering system is difficult to solve the problems of physical pollution, chemical pollution and biological pollution of air at one time. And, there is a problem that installation and maintenance are inconvenient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an air conditioning unit with strong working condition adaptability and a disinfection function, which solves the problems that the prior air conditioning unit still has obvious problems: 1. the existing air conditioning unit has the problem that the functional mode which can only be used for cooling and dehumidifying, or can only be used for cooling, dehumidifying and reheating, or can only be used for heating is incomplete. The air conditioning unit has weak adaptability to variable working conditions, and various requirements on air treatment are difficult to realize under the condition of annual working condition change; 2. under some special working conditions (such as autumn working conditions), although a so-called 'fresh air direct-in' operation mode that fresh air is directly sent into a room without heat and humidity treatment can be realized, the fresh air must pass through a surface heat exchanger, so that the problem of increased wind resistance is caused; 3. in the application of the current ventilation air conditioning system, the old air conditioning unit does not have the air disinfection and sterilization function or adopts the air disinfection and sterilization technology with certain defects, such as: high-voltage power supply is needed, the cleaning is troublesome, the disinfection and sterilization capability is weak, the energy consumption is high, ozone harmful to human bodies is generated, secondary pollutants are generated, and the like; 4. the existing high-voltage electrostatic dust removal technology works in a discharge mode, and a large amount of ozone harmful to human bodies can be generated. The paper or cotton filter has limited dust holding capacity, needs to be replaced after running for a certain time, cannot be reused, and causes the problems of increased use cost and environmental protection caused by abandoning the paper or cotton filter; meanwhile, the paper or cotton filter is coarse and medium-efficiency filtration, and cannot efficiently filter suspended fine particulate matters (such as PM2.5) in the air. In the aspect of cleaning a common fiber coarse and medium-efficiency filter, the use cost is low, but the filtering effect is poor, and suspended fine particles (such as PM2.5) in the air cannot be efficiently filtered; 5. the existing non-integrated combined sterilizing and filtering system is difficult to solve the problems of physical pollution, chemical pollution and biological pollution of air at one time. And, there is a problem that installation and maintenance are inconvenient.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an air conditioning unit with strong working condition adaptability and a disinfection and sterilization function comprises a machine body, wherein a mixed air bin is arranged on one side of the bottom in the machine body, an air return component is arranged on one side of the top of the machine body, a bypass component is arranged at the middle position of the top of the machine body, an air port component is arranged on one side of the machine body, two groups of surface heat exchangers are arranged at the middle position of the interior of the machine body, a second primary filter is arranged on one side of the interior of the machine body close to the mixed air bin, a humidifier is arranged at the middle position of the bottom in the machine body, a variable frequency fan is arranged on one side of the interior of the machine body far away from the mixed air bin, a second photocatalytic oxidation reactor is arranged on one side of the interior of the machine body close to the variable frequency fan, a second electret type electrostatic filter is arranged on one side of the interior of the machine body, the inside both ends of organism are provided with the second mounting panel near one side of frequency conversion fan, one side of second mounting panel one end is provided with the second light wave reflector, and the opposite side of second mounting panel one end is provided with the second ultraviolet lamp, the inside one end of organism is provided with the multiunit sensor mount pad.
Preferably, the return air subassembly includes the return air inlet, the return air inlet is located one side at organism top, and the return air inlet is linked together with mixing the wind storehouse, the top of the inside both sides in return air inlet is provided with electronic return air valve, the intermediate position department of the inside both sides in return air inlet is provided with first primary filter, the intermediate position department of the inside both sides in return air inlet is provided with first electret electrostatic filter, the bottom of the inside both sides in return air inlet is provided with first photocatalytic oxidation reactor, the bottom at the inside both ends in return air inlet is provided with first mounting panel, the top of first mounting panel one end is provided with first light wave reflector, the bottom of first mounting panel one end is provided with first ultraviolet lamp.
Preferably, the bypass assembly comprises a bypass port, the bypass port is located at the middle position of the top of the machine body, the bypass electric air valves are arranged at the middle positions of the two sides inside the bypass port, and the third primary filter is arranged at the middle position of the bottom of the two sides inside the bypass port.
Preferably, the air port assembly comprises a fresh air port, the fresh air port is located on one side of the machine body and communicated with the air mixing bin, and an electric fresh air valve is arranged inside the fresh air port.
Preferably, the top of sensor mount pad one end is provided with dry bulb temperature sensor, the bottom of sensor mount pad one end is provided with wet bulb temperature sensor.
Preferably, the first and second light wave reflectors are formed of arc-shaped structures.
Preferably, the four corners of the bottom of the machine body are provided with rubber pads, and the bottoms of the rubber pads are provided with anti-skid grains.
(III) advantageous effects
The invention provides an air conditioning unit with strong working condition adaptability and a disinfection and sterilization function. The method has the following beneficial effects:
the air conditioning unit with strong working condition adaptability and the disinfection and sterilization function is provided;
1. through the mutual matching of the surface heat exchanger, the air mixing bin and the humidifier, various air treatment processes can be realized, so that the air conditioning unit has strong variable working condition adaptability;
2. by bypassing the electric air valve (with adjustable air volume) and the third primary filter, all or part of fresh air can not pass through the two groups of surface heat exchangers under certain special working conditions, so that the flow resistance and the power consumption of the fan are reduced, and the aim of saving energy is fulfilled;
3. the invention adopts the combined air disinfection and purification technology integrating the electret electrostatic precipitation filtration technology and the advanced photocatalytic oxidation reactor (photocatalyst reactor); and two sets of the air disinfection, sterilization and purification device combination are provided; the two sets of combinations are respectively a first electret type electrostatic filter, a first light wave reflector, a first ultraviolet lamp and a first photocatalytic oxidation reactor; the second electret type electrostatic filter, the second light wave reflector, the second ultraviolet lamp and the second photocatalytic oxidation reactor;
4. an advanced electret electrostatic filter is adopted: the first electret type electrostatic filter and the second electret type electrostatic filter enable the device to efficiently remove dust, and the service life is long;
5. by using an aluminum-based sintered photocatalytic oxidation reactor (photocatalytic reactor): the arrangement of the first photocatalytic oxidation reactor and the second photocatalytic oxidation reactor is convenient to clean, durable and long in service life.
Drawings
Fig. 1 is a front sectional view of the present invention.
In the figure, 1, an electric fresh air valve; 2. a first primary filter; 3. an electric return air valve; 4. a second primary filter; 5. a first electret electrostatic filter; 6. a first light wave reflector; 7. a first ultraviolet lamp; 8. A first photocatalytic oxidation reactor; 9. a surface heat exchanger; 10. a wind mixing bin; 11. a third primary filter; 12. bypassing the electric air valve; 13. a second electret electrostatic filter; 14. a second light wave reflector; 15. A second ultraviolet lamp; 16. a second photocatalytic oxidation reactor; 17. a variable frequency fan; 18. a body; 19. a water baffle; 20. a humidifier; 21. a dry bulb temperature sensor; 22. a wet bulb temperature sensor; 23. a fresh air port; 24. a bypass port; 25. an air return opening; 26. a first mounting plate; 27. a second mounting plate; 28. a sensor mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: an air conditioning unit with strong working condition adaptability and a disinfection and sterilization function comprises a machine body 18, wherein a mixed air bin 10 is arranged on one side of the inner bottom of the machine body 18, a return air assembly is arranged on one side of the top of the machine body 18, a bypass assembly is arranged at the middle position of the top of the machine body 18, an air port assembly is arranged on one side of the machine body 18, two groups of surface heat exchangers 9 are arranged at the middle position of the inner part of the machine body 18, the distance between the two groups of surface heat exchangers 9 is larger than or equal to 50mm so as to reduce the mutual heat influence between the two heat exchangers when the two heat exchangers work simultaneously, a second primary filter 4 is arranged on one side of the inner part of the machine body 18 close to the mixed air bin 10, a humidifier 20 is arranged at the middle position of the inner bottom of the machine body 18, a variable frequency fan 17 is arranged on one side, reduce the operation energy consumption, the inside one side that is close to variable frequency fan 17 of organism 18 is provided with second photocatalytic oxidation reactor 16, the inside one side that is close to first mounting panel 26 of organism 18 is provided with second electret formula electrostatic filter 13, the inside one side that is close to second electret formula electrostatic filter 13 of organism 18 is provided with breakwater 19, the inside both ends of organism 18 are close to one side of variable frequency fan 17 and are provided with second mounting panel 27, the installation of being convenient for, one side of second mounting panel 27 one end is provided with second light wave reflector 14, and the opposite side of second mounting panel 27 one end is provided with second ultraviolet lamp 15, the inside one end of organism 18 is provided with multiunit sensor mount pad 28.
Further, the return air subassembly includes return air inlet 25, return air inlet 25 is located one side at 18 tops of organism, and return air inlet 25 is linked together with mixing wind storehouse 10, the top of the inside both sides of return air inlet 25 is provided with electronic return air valve 3, the intermediate position department of the inside both sides of return air inlet 25 is provided with first primary filter 2, the intermediate position department of the inside both sides of return air inlet 25 is provided with first electret formula electrostatic filter 5, the bottom of the inside both sides of return air inlet 25 is provided with first photocatalytic oxidation reactor 8, the bottom at the inside both ends of return air inlet 25 is provided with first mounting panel 26, the top of first mounting panel 26 one end is provided with first light wave reflector 6, the bottom of first mounting panel 26 one end is provided with first ultraviolet lamp 7.
Further, the bypass assembly comprises a bypass port 24, the bypass port 24 is located at the middle position of the top of the machine body 18, the bypass electric air valve 12 is arranged at the middle position of two sides inside the bypass port 24, and the third primary filter 11 is arranged at the middle position of the bottom of two sides inside the bypass port 24.
Further, the air port assembly comprises a fresh air port 23, the fresh air port 23 is located on one side of the machine body 18, the fresh air port 23 is communicated with the air mixing bin 10, and the electric fresh air valve 1 is arranged inside the fresh air port 23.
Further, a dry bulb temperature sensor 21 is arranged at the top of one end of the sensor mounting seat 28, and a wet bulb temperature sensor 22 is arranged at the bottom of one end of the sensor mounting seat 28, so that convenience is brought.
Furthermore, the first light wave reflector 6 and the second light wave reflector 14 are formed by arc structures, and the irradiation range of the ultraviolet lamp is improved.
Further, the four corners of the bottom of the machine body 18 are provided with rubber pads, and the bottoms of the rubber pads are provided with anti-skid grains to increase friction.
The working principle is as follows: when the device is used, firstly, indoor return air is filtered to remove relatively large dust, fibers and the like through the first primary filter 2 in the return air inlet 25, then enters the first electret type electrostatic filter 5 for efficient filtration, so that fine particulate matters such as PM2.5 in the return air are removed, and then the return air enters the first photocatalytic oxidation reactor 8, and the return air is disinfected and sterilized and is subjected to removal of harmful substances such as formaldehyde and the like to obtain relatively clean and healthy return air; the return air after disinfection and sterilization can enter the air mixing bin 10 to be mixed with the fresh air in the air mixing bin 10; the mixed air passes through a second primary filter 4 to filter large dust, fibers and the like carried by fresh air, then enters a second electret type electrostatic filter 13 to be efficiently filtered, fine particulate matters such as PM2.5 and the like in the mixed air are further removed, then the mixed air enters a second photocatalytic oxidation reactor 16, the mixed air can be sterilized and formaldehyde and other harmful substances are removed, clean and healthy air is obtained, and finally the purified air is sent into a room through a variable frequency fan 17; under certain working conditions, the bypass electric air valve 12 is opened, the fresh air passes through the third primary filter 11 to filter larger dust, fibers and the like, then enters the second electret type electrostatic filter 13 to be efficiently filtered, so that fine particulate matters such as PM2.5 and the like in the bypass fresh air are further removed, then the bypass fresh air enters the second photocatalytic oxidation reactor 16, and the bypass fresh air is subjected to disinfection and sterilization, formaldehyde removal and other harmful substances, so that clean and healthy air is obtained; when the return air enters the machine body 18, the first photocatalytic oxidation reactor 8 and the second photocatalytic oxidation reactor 16 undergo two times of disinfection and sterilization; and undergoes two times of high-efficiency filtration at the first electret electrostatic filter 5 and the second electret electrostatic filter 13; the fresh air is generally higher in cleanliness compared with return air, and is only sterilized by the second photocatalytic oxidation reactor 16 and efficiently filtered by the second electret type electrostatic filter 13; when the first ultraviolet lamp 7 or the second ultraviolet lamp 15 is turned off, the first photocatalytic oxidation reactor 8 and the second photocatalytic oxidation reactor 16 stop photocatalytic oxidation reaction, and the air sterilization effect is also stopped;
the principle of disinfection and sterilization and removal of harmful substances such as formaldehyde in the first photocatalytic oxidation reactor 8 and the second photocatalytic oxidation reactor 16 is as follows: the photocatalytic oxidation reaction is a reaction combination technology which adopts ultraviolet light waves to excite photocatalyst substances such as titanium dioxide and the like to generate strong oxidation groups; the photocatalytic oxidation reactor (photocatalyst reactor) adopted by the invention is different from the prior other technologies; the technology utilizes an aluminum-based sintered titanium dioxide mesh and an ultraviolet lamp with a specific light wave wavelength to carry out photocatalytic oxidation reaction, continuously excites hydroxyl radical-OH and superoxide anion O _ 2-with high activity, the hydroxyl radical-OH and superoxide anion O _ 2-with high oxidizing power can destroy bacteria and virus DNA, decompose VOCs organic chemicals such as toxic and harmful formaldehyde, and the like, the catalytic reaction is quickly reduced into trace harmless substance water and trace carbon dioxide, and light waves with specific wavelengths emitted by a first ultraviolet lamp 7 or a second ultraviolet lamp 15 are uniformly reflected to the surface of a first photocatalytic oxidation reactor 8 or a second photocatalytic oxidation reactor 16 by a first light wave reflector 6 or a second light wave reflector 14, so that the reaction efficiency of the photocatalytic oxidation is effectively enhanced; the photocatalytic oxidation reaction can achieve the effects of sterilization in a short time and real continuous purification; meanwhile, the first photocatalytic oxidation reactor 8 or the second photocatalytic oxidation reactor 16 has extremely high killing and purifying effects on viruses and bacteria in the air and organic compounds such as floating formaldehyde, benzene and the like, and does not generate harmful secondary pollutants such as ozone and the like;
when a cooling and dehumidifying mode (operation mode one) is needed, opening the electric fresh air valve 1 and the electric return air valve 3, and then opening a group of surface type heat exchangers 9, wherein the group of surface type heat exchangers 9 are surface coolers; the working medium can be refrigerant, refrigerant water and the like, and the other group of surface heat exchangers 9, the humidifier 20 and the bypass electric air valve 12 are closed;
when the cooling-only mode (operation mode II) is needed, opening the electric fresh air valve 1 and the electric return air valve 3, and then opening a group of surface heat exchangers 9, wherein the surface heat exchangers 9 are surface coolers; the working medium can be a refrigerant, chilled water and the like, and the other group of surface heat exchangers 9, the humidifier 20 and the bypass electric air valve 12 are closed, wherein the temperature of the working medium of one group of surface heat exchangers 9 is controlled to be above the dew point temperature of the mixed air of fresh air and return air;
when a cooling, dehumidifying and reheating mode is required (operation mode three), the electric fresh air valve 1 and the electric return air valve 3 are opened; then, starting a group of surface type heat exchangers 9, wherein the group of surface type heat exchangers 9 are surface coolers; the working medium can be refrigerant, refrigerant water and the like, and the other group of surface type heat exchangers 9 is started, and at the moment, the other group of surface type heat exchangers 9 are surface heaters; the working medium can be a refrigerant, hot water or steam and the like, the humidifier 20 and the bypass electric air valve 12 are closed, and the mode can keep the temperature and the humidity of the fresh air supply constant within a required range;
when the heating and humidifying mode is needed (operation mode four), the electric fresh air valve 1 and the electric return air valve 3 are opened; turning on a group of surface heat exchangers 9, wherein the group of surface heat exchangers 9 are surface heaters; the working medium can be refrigerant, hot water or steam, and the like, the other group of surface heat exchangers 9 is closed, the humidifier 20 is opened, and the bypass electric air valve 12 is closed;
when the heating-only mode is needed (operation mode five), the electric fresh air valve 1 and the electric return air valve 3 are opened; starting a group of surface type heat exchangers 9, wherein the group of surface type heat exchangers 9 are surface heaters; the working medium can be refrigerant, hot water or steam, and the like, the other group of surface heat exchangers 9 is closed, the humidifier 20 is closed, and the bypass electric air valve 12 is closed;
when a full fresh air bypass humidifying mode is required (operation mode six), the electric fresh air valve 1 and the electric return air valve 3 are closed; then, opening the bypass electric air valve 12, closing one group of surface type heat exchangers 9, closing the other group of surface type heat exchangers 9, and opening the humidifier 20;
when a fresh air bypass direct-in mode is needed (operation mode seven), fresh air can be directly sent into the indoor fresh air bypass direct-in mode without heat and humidity treatment under certain special meteorological conditions. At the moment, the electric fresh air valve 1 and the electric return air valve 3 are closed; closing the two groups of surface heat exchangers 9, closing the humidifier 20 and opening the bypass electric air valve 12;
when partial fresh air heat and humidity treatment and partial fresh air bypass mode are needed (operation mode eight), the opening degrees of the electric fresh air valve 1 and the electric return air valve 3 are controlled, the refrigerating capacity or the heating capacity of the two groups of surface type heat exchangers 9 are closed or controlled, the humidifying capacity of the humidifier 20 is closed or controlled, and the opening degree of the bypass electric air valve 12 is controlled;
when the device runs in the sixth mode, the seventh mode or the eighth mode, all or part of fresh air does not pass through the two groups of surface heat exchangers 9, so that the flow resistance and the power consumption of the fan are reduced, and the aim of saving energy is fulfilled;
the first photocatalytic oxidation reactor 8 or the second photocatalytic oxidation reactor 16 adopted by the invention is different from other prior technologies; the technology utilizes aluminum-based sintered nano TiO 22The net and the ultraviolet ray with specific light wave length are used for carrying out photocatalytic oxidation reaction, and the first light wave reflector 6 or the second light wave reflector 14 is used for effectively enhancing the reaction efficiency of the photocatalytic oxidation, so that the effects of sterilization and real continuous purification in a short time can be achieved, and harmful secondary pollutants such as ozone and the like are not generated while extremely high sterilization and purification effects are achieved on viruses, bacteria, floating formaldehyde, benzene and other organic compounds in the air; because the sintering technology is adopted to sinter the nano titanium dioxide TiO2Firmly fixed on the surface of the aluminum alloy material, and the photocatalytic oxidation reactor (photocatalyst reactor) is convenient to clean, durable and long in service life.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an air conditioning unit of strong operating mode adaptability area disinfection function, includes organism (18), its characterized in that: one side of the bottom in the machine body (18) is provided with a mixed air bin (10), one side of the top of the machine body (18) is provided with an air return component, a bypass component is arranged at the middle position of the top of the machine body (18), an air port component is arranged at one side of the machine body (18), two groups of surface heat exchangers (9) are arranged at the middle position of the interior of the machine body (18), one side of the interior of the machine body (18) close to the mixed air bin (10) is provided with a second primary filter (4), a humidifier (20) is arranged at the middle position of the interior of the machine body (18) at the bottom, one side of the interior of the machine body (18) far away from the mixed air bin (10) is provided with a variable frequency fan (17), one side of the interior of the machine body (18) close to the variable frequency fan (17) is provided with a second photocatalytic oxidation reactor (16), one side of the interior of the machine body (, one side that organism (18) inside is close to second electret formula electrostatic filter (13) is provided with breakwater (19), one side that the inside both ends of organism (18) are close to frequency conversion fan (17) is provided with second mounting panel (27), one side of second mounting panel (27) one end is provided with second light wave reflector (14), and the opposite side of second mounting panel (27) one end is provided with second ultraviolet lamp (15), the inside one end of organism (18) is provided with multiunit sensor mount pad (28).
2. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 1 is characterized in that: the air return component comprises an air return opening (25), the air return opening (25) is positioned on one side of the top of the machine body (18), and the air return opening (25) is communicated with the air mixing bin (10), the tops of two sides inside the air return opening (25) are provided with electric air return valves (3), a first primary filter (2) is arranged in the middle of the two sides of the air return opening (25), a first electret type electrostatic filter (5) is arranged in the middle of the two sides of the air return opening (25), the bottom parts of two sides inside the air return opening (25) are provided with a first photocatalytic oxidation reactor (8), the bottoms of the two ends of the air return opening (25) are provided with first mounting plates (26), a first light wave reflector (6) is arranged at the top of one end of the first mounting plate (26), the bottom of one end of the first mounting plate (26) is provided with a first ultraviolet lamp (7).
3. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 1 is characterized in that: the bypass assembly comprises a bypass port (24), the bypass port (24) is located at the middle position of the top of the machine body (18), the bypass electric air valve (12) is arranged at the middle positions of two sides in the bypass port (24), and a third primary filter (11) is arranged at the middle position of the bottom of two sides in the bypass port (24).
4. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 1 is characterized in that: the air port assembly comprises a fresh air port (23), the fresh air port (23) is located on one side of the machine body (18), the fresh air port (23) is communicated with the air mixing bin (10), and an electric fresh air valve (1) is arranged inside the fresh air port (23).
5. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 1 is characterized in that: the top of sensor mount pad (28) one end is provided with dry bulb temperature sensor (21), the bottom of sensor mount pad (28) one end is provided with wet bulb temperature sensor (22).
6. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 2 is characterized in that: the first light wave reflector (6) and the second light wave reflector (14) are formed by arc-shaped structures.
7. The air conditioning unit with the disinfecting and sterilizing functions and strong working condition adaptability according to claim 1 is characterized in that: the four corners of the bottom of the machine body (18) are all provided with rubber pads, and the bottoms of the rubber pads are provided with anti-skid grains.
CN202011208908.3A 2020-11-03 2020-11-03 Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions Pending CN112254239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011208908.3A CN112254239A (en) 2020-11-03 2020-11-03 Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011208908.3A CN112254239A (en) 2020-11-03 2020-11-03 Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions

Publications (1)

Publication Number Publication Date
CN112254239A true CN112254239A (en) 2021-01-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011208908.3A Pending CN112254239A (en) 2020-11-03 2020-11-03 Air conditioning unit with strong working condition adaptability and disinfection and sterilization functions

Country Status (1)

Country Link
CN (1) CN112254239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113339894A (en) * 2021-06-10 2021-09-03 珠海格力电器股份有限公司 Sterilizing air conditioner and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113339894A (en) * 2021-06-10 2021-09-03 珠海格力电器股份有限公司 Sterilizing air conditioner and control method thereof

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