CN111503739B - Air conditioning device for purifying and sterilizing fresh air and negative pressure and control method thereof - Google Patents
Air conditioning device for purifying and sterilizing fresh air and negative pressure and control method thereof Download PDFInfo
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- CN111503739B CN111503739B CN202010318090.4A CN202010318090A CN111503739B CN 111503739 B CN111503739 B CN 111503739B CN 202010318090 A CN202010318090 A CN 202010318090A CN 111503739 B CN111503739 B CN 111503739B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
- F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioning device for purifying and sterilizing fresh air and negative pressure and a control method thereof, and relates to the technical field of air purification. In the invention: an anion generator for providing anions is arranged in the indoor unit; an ultraviolet generator for irradiating/sterilizing air flow circulating in the indoor unit is arranged in the indoor unit; an ozone generator for providing ozone ions in indoor circulating airflow is arranged in the indoor unit; the air conditioning device comprises a unit air conditioner for providing cooling and heating effects for the indoor space; the air conditioning device comprises an exhaust fan for providing negative pressure effect for the indoor space; the control of the system is divided into five working condition modes, namely a common air conditioning mode, a fresh air conditioning mode, a ventilation mode, a sterilization mode (with people) and a sterilization mode (without people). The invention can efficiently carry out indoor air purification, sterilization, ventilation and cold and hot regulation link control according to the actual external climate, scene and man-machine requirements.
Description
Technical Field
The invention belongs to the technical field of air purification, and particularly relates to an air conditioning device for purifying and sterilizing fresh air and negative pressure and a control method thereof, in particular to a purification device and a control method for harmful substances such as microorganisms (viruses and bacteria) and fine particulate matters (PM 2.5).
Background
At present, the third environmental pollution mainly including "indoor air pollutants" is mainly classified into three categories, namely, particulate pollutants, gaseous pollutants, and microbial pollutants. Wherein, the surfaces of fine particle pollutants (PM2.5) in the air can be attached with biological substances such as bacteria, viruses and the like and enter the bronchus and the lung of a human body along with the breathing, and the serious threat to the life quality and the body health of people is caused for a long time.
Aiming at such high-level harmful substances, the air purification device is firstly and gradually received by the masses and widely applied, can adsorb, decompose or convert various harmful substances, but in practical use, the air purification device only exists as purified air, not only occupies large space and has large noise, and the air purification regulation and control under different actual situations can not well match with the human-computer requirements, such as indoor air purification in the situation of people and indoor purification in the situation of no people, and under the situations of different seasons, climates, large-scale flu, virus and the like, the requirements of the purification degree and the purification (ultraviolet ray, ozone, ventilation and the like) intensity are different, and in addition, if the existing purification device needs to carry out refrigeration and heating, an air conditioning system needs to be additionally added, so that the control difficulty of the air circulation and the air purification requirements is increased.
And this application increases anion, ozone, ultraviolet ray in air conditioning equipment, increases the module of airing exhaust simultaneously to cooperate with the unit air conditioner, provide clean safe, comfortable indoor air for indoor.
Disclosure of Invention
The invention aims to provide an air conditioning device for purifying and sterilizing fresh air and negative pressure and a control method thereof, so that indoor air purification, sterilization, ventilation and cold and heat regulation link control can be efficiently carried out according to actual external climate, scene and man-machine requirements.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an air conditioning device for purifying, sterilizing, refreshing and negative pressure and a control method thereof, wherein the air conditioning device comprises a host machine/an outdoor machine which is arranged outdoors; the air conditioning device includes an indoor unit installed indoors; the indoor unit is provided with a fresh air ventilating pipeline connected with a fresh air valve for leading in outdoor air flow; the indoor unit is provided with an air return valve for circulating indoor airflow; an anion generator for providing anions is arranged in the indoor unit; an ultraviolet generator for irradiating/sterilizing air flow circulating in the indoor unit is arranged in the indoor unit; an ozone generator for providing ozone ions in indoor circulating airflow is arranged in the indoor unit; the air conditioning device comprises a unit air conditioner for providing cooling and heating effects for the indoor space; the air conditioning unit includes an exhaust fan for providing a negative pressure effect to the room.
As a preferred technical scheme of the invention, the host/outdoor unit is connected with a host control unit in the system; the indoor unit is connected with an indoor unit control unit in the system; the unit air conditioner is connected with a unit air conditioner control unit in the system; the exhaust fan is connected with an exhaust fan control unit in the system.
As a preferred technical scheme of the invention, a temperature sensor for sensing and monitoring the temperature of air flow entering the indoor unit from the indoor is arranged in the indoor unit; the indoor unit is provided with an internal fan for supplying air and an air speed/fan controller for controlling the internal fan; the wind speed/fan controller is controlled by the system to input/switch at least three wind speeds to the internal fan in the indoor unit.
As a preferred technical scheme of the invention, a fresh air valve on an indoor unit is provided with a corresponding manual regulating valve; and an exhaust valve on the exhaust fan is provided with a corresponding manual regulating valve.
As a preferred technical scheme of the invention, a negative ion sensor for sensing and monitoring the concentration of negative ions in indoor airflow is arranged at the periphery/indoor designated position of the indoor unit; and an ozone concentration sensor for sensing and monitoring the concentration of ozone in indoor airflow is arranged at the periphery/indoor designated position of the indoor unit.
A control method of an air conditioning device system for purifying and sterilizing fresh air and negative pressure comprises the following steps:
the control of the system is divided into five working condition modes, namely a common air conditioning mode, a fresh air conditioning mode, a ventilation mode, a sterilization mode (with people) and a sterilization mode (without people).
Under the ordinary air conditioning mode, the unit air conditioner refrigerates/heats, does not have new trend, does not have the action of airing exhaust: (1) starting a host/an outdoor unit; (2) starting the indoor machine internal circulation; (3) opening an air return valve; (4) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) the air conditioner of the unit keeps internal circulation, and the exhaust fan does not work; (6) the negative ion generator in the indoor unit is started.
Under the fresh air conditioning mode, the unit air conditioner refrigerates/heats, low flux new trend, low flux are aired exhaust: (1) starting a host/an outdoor unit; (2) starting an indoor unit and an exhaust fan, controlling the exhaust fan to keep running at a low wind speed, and simultaneously setting the opening of a fresh air valve to be 15%, wherein the low-flux fresh air and the low-flux exhaust air form a semi-fresh air and negative pressure mode; (3) opening an air return valve; (4) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) the negative ion generator in the indoor unit is started.
Under the ventilation mode, the unit air conditioner need not refrigeration/heating, and outer machine is closed, and the new trend, the manual adjustable of airing exhaust: (1) the outdoor unit and the unit air conditioner are closed; (2) starting an indoor unit; (3) the fresh air valve can be manually adjusted according to actual needs; (4) closing the air return valve, and manually adjusting the exhaust valve according to the requirement; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) starting a negative ion generator in the indoor unit;
in a sterilization mode (human), the unit air conditioner performs refrigeration/heating, and high-flux fresh air and high-flux air exhaust: (1) the outdoor unit is opened; (2) starting an indoor unit and an exhaust fan, and performing corresponding indoor refrigeration/heating by a unit air conditioner; (3) the exhaust fan runs at high wind speed, the fresh air valve is fully opened, and a fresh air and negative pressure mode is formed; (4) closing the air return valve; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (6) the negative ion generator and the ultraviolet device in the indoor unit are started.
Under the sterilization mode (unmanned), the unit air conditioner need not to refrigerate/heat, does not have new trend, does not have and airs exhaust, after the time delay is closed, the automatic start is aired exhaust: (1) the outdoor unit is closed; (2) the indoor circulation is started, and the unit air conditioner does not need to refrigerate/heat; (3) the fresh air valve is fully closed; (4) opening an air return valve; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) the exhaust fan does not work; (6) opening a negative ion generator, an ozone generator and an ultraviolet device in the indoor unit; (7) the ozone sensor is used for sensing and monitoring that the ozone in the large room reaches the required concentration and then closing the main machine; (8) after a period of time, the air exhaust fan is started.
As a preferred technical scheme of the invention, the indoor unit automatically regulates and controls an air supply mode according to the temperature difference: the indoor fan judges whether to start one of high-grade, medium-grade and low-grade wind speeds according to the temperature difference, the temperature difference between the indoor temperature and the set temperature is T, and when the temperature T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; and when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode.
The invention has the following beneficial effects:
according to the indoor unit, the fresh air valve and the return air valve are arranged on the indoor unit and are matched with the exhaust fan, so that the scene indoor air purification regulation and control can be conveniently and efficiently carried out, and the negative ion, ozone and ultraviolet sterilization and purification devices for different sterilization and purification modes are arranged according to the requirements of sterilization and purification degrees, so that the links of indoor air purification, sterilization, ventilation and cold and heat regulation can be efficiently controlled according to the actual external climate, scene and man-machine requirements.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the logical distribution of the fan coil system apparatus of the present invention;
FIG. 2 is a schematic diagram of the unit layout connection of the present invention;
FIG. 3 is a schematic view of an indoor unit according to the present invention;
FIG. 4 is a flow chart of the system control for indoor purification control in multiple modes of the present invention.
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.
Example one
Referring to fig. 1, the air conditioning system apparatus includes a main unit control unit for controlling driving of a main unit, an indoor unit control unit for controlling an indoor unit and components such as an air return valve, an anion generator, and an ozone generator in the indoor unit, a unit air conditioner control unit for controlling driving of a unit air conditioner, and an exhaust fan control unit for controlling driving of an indoor exhaust fan.
Referring to fig. 2, the outdoor unit supplies fresh air to the indoor unit, the indoor unit performs circulation purification on indoor air flow, after the purification is finished, a corresponding dehumidification mode is started to perform dehumidification of indoor air, and the exhaust fan performs discharge of indoor air in a matched manner according to actual needs.
Referring to fig. 3, the indoor unit is provided with a blower and an ultraviolet sterilizer, an ozone generator and an anion generator inside; the periphery of the indoor unit is also provided with a negative oxygen ion sensor for sensing/monitoring the concentration of negative oxygen ions in the indoor air, and an ozone concentration sensor for sensing/monitoring the concentration of ozone in the indoor air.
Example two
Referring to fig. 4, the regulation and control modes of the air conditioning unit are divided into five working condition modes, i.e., a normal air conditioning mode, a fresh air conditioning mode, a ventilation mode, a sterilization mode (with person), and a sterilization mode (without person).
Firstly, a common air-conditioning mode aims at winter and summer seasons in a non-epidemic situation period: ensure refrigeration, heating effect, no new trend, do not have and exhaust, concrete process is as follows:
the outdoor unit/the main unit is started, the indoor unit is started to purify the internal circulation after the main unit is started, the indoor refrigeration and heating functions are ensured, and the fresh air valve is completely closed;
the air return valve is opened, the indoor fan judges whether high-grade, medium-grade and low-grade wind speeds are started or not according to the temperature difference, the temperature difference between the indoor temperature and the set temperature is T, and when the temperature T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode;
when the unit is an air conditioner internal circulation, the exhaust fan does not work;
the negative ion generator in the indoor unit is turned on, and the ultraviolet device and the ozone generator are turned off.
Secondly, the fresh air conditioning mode aims at the winter and summer season in the period of non epidemic situation: guarantee refrigeration, heating effect, little new trend, little air exhaust, specific process is as follows:
the outdoor unit/the main unit is started, namely when the unit is in a semi-fresh air and negative pressure mode, the main unit starts the exhaust fan after being started, so that indoor refrigeration and heating functions are guaranteed, at the moment, because of the semi-fresh air and negative pressure mode, the exhaust fan operates at a low wind speed, and the opening degree of the fresh air valve is set to be 15%;
the air return valve is opened, the indoor fan judges whether high-grade, medium-grade and low-grade wind speeds are started or not according to the temperature difference, and when T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode;
the exhaust fan works at low wind speed;
the negative ion generator in the indoor unit is turned on, and the ultraviolet device and the ozone generator are turned off.
Thirdly, aiming at spring and autumn seasons during non-epidemic situations in the ventilation mode: the refrigeration and heating functions are not provided, the external machine is closed, the fresh air and the exhaust air are manually adjustable, and the specific process is as follows:
the outdoor unit/the host machine is closed, and the indoor unit purification device is started, so that the indoor refrigeration and heating functions are not ensured;
the fresh air valve is manually adjustable, the return air valve is closed, and the exhaust air valve is manually adjustable;
the indoor fan judges whether high-grade, medium-grade and low-grade wind speeds are started or not according to the temperature difference, and when T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode;
the negative ion generator in the indoor unit is turned on, and the ultraviolet device and the ozone generator are turned off.
Fourthly, the sterilization mode (with people) aims at the situation that people exist in the epidemic situation: the air conditioner has certain refrigerating and heating effects, inhibits the growth of pathogens in use places, and has the following specific processes of large fresh air and large exhaust air:
the outdoor unit/the main unit is started, namely when the unit is in a full fresh air and negative pressure mode, the main unit starts the exhaust fan after being started, and the outdoor unit/the main unit has certain indoor refrigerating and heating functions;
the indoor fan judges whether high-grade, medium-grade and low-grade wind speeds are started or not according to the temperature difference, and when T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode;
the negative ion generator and the ultraviolet device in the indoor unit are turned on, and the ozone generator is turned off; the key bacteriostatic factors are fresh air, ultraviolet light and negative ions.
Fifthly, the sterilization mode (unmanned) aims at the unmanned occasion during the epidemic situation: the refrigeration and heating effects are not guaranteed, pathogens in use places are thoroughly killed by manual triggering and ozone, fresh air and exhaust air do not exist, and the exhaust air is automatically started after delayed closing, and the specific process is as follows:
the outdoor unit/the host machine is closed, the indoor unit is started to purify the internal circulation, the indoor refrigeration and heating functions are not ensured, the fresh air valve is fully closed, and the return air valve is opened;
the indoor fan judges whether high-grade, medium-grade and low-grade wind speeds are started or not according to the temperature difference, and when T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode;
the unit is an air conditioner internal circulation, and the exhaust fan does not work;
the negative ion generator, the ozone generator and the ultraviolet device in the indoor unit are started, when the whole room is filled with indoor ozone, the main unit (provided with a corresponding ozone sensor) is closed, and after a period of time (controlled by a clock), the exhaust fan is started; the key bacteriostatic factors are ozone, ultraviolet light and negative ions.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. A control method of an air conditioning device system for purifying and sterilizing fresh air and negative pressure is characterized in that:
the control of the system is divided into five working condition modes, namely a common air conditioning mode, a fresh air conditioning mode, a ventilation mode, a sterilization mode (with people) and a sterilization mode (without people);
under the ordinary air conditioning mode, the unit air conditioner refrigerates/heats, does not have new trend, does not have the action of airing exhaust: (1) starting a host/an outdoor unit; (2) starting the indoor machine internal circulation; (3) opening an air return valve; (4) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) the air conditioner of the unit keeps internal circulation, and the exhaust fan does not work; (6) starting a negative ion generator in the indoor unit;
under the fresh air conditioning mode, the unit air conditioner refrigerates/heats, low flux new trend, low flux are aired exhaust: (1) starting a host/an outdoor unit; (2) starting an indoor unit and an exhaust fan, controlling the exhaust fan to keep running at a low wind speed, and simultaneously setting the opening of a fresh air valve to be 15%, wherein the low-flux fresh air and the low-flux exhaust air form a semi-fresh air and negative pressure mode; (3) opening an air return valve; (4) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) starting a negative ion generator in the indoor unit;
under the ventilation mode, the unit air conditioner need not refrigeration/heating, and outer machine is closed, and the new trend, the manual adjustable of airing exhaust: (1) the outdoor unit and the unit air conditioner are closed; (2) starting an indoor unit; (3) the fresh air valve can be manually adjusted according to actual needs; (4) closing the air return valve, and manually adjusting the exhaust valve according to the requirement; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) starting a negative ion generator in the indoor unit;
in a sterilization mode (human), the unit air conditioner performs refrigeration/heating, and high-flux fresh air and high-flux air exhaust: (1) the outdoor unit is opened; (2) starting an indoor unit and an exhaust fan, and performing corresponding indoor refrigeration/heating by a unit air conditioner; (3) the exhaust fan runs at high wind speed, the fresh air valve is fully opened, and a fresh air and negative pressure mode is formed; (4) closing the air return valve; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (6) the negative ion generator and the ultraviolet device in the indoor unit are started;
under the sterilization mode (unmanned), the unit air conditioner need not to refrigerate/heat, does not have new trend, does not have and airs exhaust, after the time delay is closed, the automatic start is aired exhaust: (1) the outdoor unit is closed; (2) the indoor circulation is started, and the unit air conditioner does not need to refrigerate/heat; (3) the fresh air valve is fully closed; (4) opening an air return valve; (5) the indoor unit automatically regulates and controls an air supply mode according to the temperature difference; (5) the exhaust fan does not work; (6) opening a negative ion generator, an ozone generator and an ultraviolet device in the indoor unit; (7) the ozone sensor is used for sensing and monitoring that the ozone in the large room reaches the required concentration and then closing the main machine; (8) after a period of time, the air exhaust fan is started.
2. The method for controlling the air conditioning system for purifying and sterilizing fresh air and negative pressure according to claim 1, wherein the method comprises the following steps:
the indoor unit automatically regulates and controls an air supply mode according to the temperature difference: the indoor fan judges whether to start one of high-grade, medium-grade and low-grade wind speeds according to the temperature difference, the temperature difference between the indoor temperature and the set temperature is T, and when the temperature T is higher than 3 ℃, a high-grade air supply mode is started; when T is more than 2 ℃ and less than 3 ℃, starting a middle-gear air supply mode; and when T is more than 1 ℃ and less than 2 ℃, starting a low-gear air supply mode.
3. An air conditioning device for purifying and sterilizing fresh air and negative pressure based on the method of claim 1, characterized in that:
the air conditioning device includes a main unit/an outdoor unit installed outdoors;
the air conditioning device includes an indoor unit installed indoors;
the indoor unit is provided with a fresh air ventilating pipeline connected with a fresh air valve for leading in outdoor air flow;
the indoor unit is provided with an air return valve for circulating indoor airflow;
an anion generator for providing anions is arranged in the indoor unit;
an ultraviolet generator for irradiating/sterilizing air flow circulating in the indoor unit is arranged in the indoor unit;
an ozone generator for providing ozone ions in indoor circulating airflow is arranged in the indoor unit;
the air conditioning device comprises a unit air conditioner for providing cooling and heating effects for the indoor space;
the air conditioning unit includes an exhaust fan for providing a negative pressure effect to the room.
4. The air conditioning device for purifying and sterilizing fresh air and negative pressure as claimed in claim 3, wherein:
the host/outdoor unit is connected with a host control unit in the system;
the indoor unit is connected with an indoor unit control unit in the system;
the unit air conditioner is connected with a unit air conditioner control unit in the system;
the exhaust fan is connected with an exhaust fan control unit in the system.
5. The air conditioning device for purifying and sterilizing fresh air and negative pressure as claimed in claim 3, wherein:
the indoor unit is internally provided with a temperature sensor for sensing and monitoring the temperature of air flow entering the indoor unit from the indoor;
the indoor unit is provided with an internal fan for supplying air and an air speed/fan controller for controlling the internal fan;
the wind speed/fan controller is controlled by the system to input/switch at least three wind speeds to the internal fan in the indoor unit.
6. The air conditioning device for purifying and sterilizing fresh air and negative pressure as claimed in claim 3, wherein:
a fresh air valve on the indoor unit is provided with a corresponding manual regulating valve;
and an exhaust valve on the exhaust fan is provided with a corresponding manual regulating valve.
7. The air conditioning device for purifying and sterilizing fresh air and negative pressure as claimed in claim 3, wherein:
the periphery/indoor designated position of the indoor unit is provided with an anion sensor for sensing and monitoring the concentration of anions in indoor airflow;
and an ozone concentration sensor for sensing and monitoring the concentration of ozone in indoor airflow is arranged at the periphery/indoor designated position of the indoor unit.
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CN112781162A (en) * | 2020-12-28 | 2021-05-11 | 北方工业大学 | Tent air conditioning device and method |
CN114646119A (en) * | 2022-02-24 | 2022-06-21 | 无锡市博迪环境科技有限公司 | Indoor air treatment method |
CN115264658B (en) * | 2022-07-18 | 2023-08-01 | 北京汇路鑫科技有限公司 | Self-cleaning device of all-air conditioning system |
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