CN112856595A - Control method of air treatment system and air treatment system - Google Patents
Control method of air treatment system and air treatment system Download PDFInfo
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- CN112856595A CN112856595A CN201911189018.XA CN201911189018A CN112856595A CN 112856595 A CN112856595 A CN 112856595A CN 201911189018 A CN201911189018 A CN 201911189018A CN 112856595 A CN112856595 A CN 112856595A
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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
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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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
- F24F1/0041—Indoor units, e.g. fan coil units characterised by exhaustion of inside air from the room
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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
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/64—Electronic processing using pre-stored data
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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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F7/00—Ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/66—Volatile organic compounds [VOC]
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Abstract
A control method of an air treatment system and the air treatment system contribute to efficient removal of formaldehyde and contribute to energy saving. In the control method of the air processing system, the air processing system is provided with a heating unit and an indoor temperature sensor for detecting the indoor temperature, and the formaldehyde removing operation is executed on the air processing system.
Description
Technical Field
The present invention relates to a control method for an air treatment system and an air treatment system controlled by the control method.
Background
With the improvement of living standard, people pay more and more attention to the health problems caused by the office living environment.
For example, after a house is newly decorated, people usually leave the house empty for about half a year for ventilation by opening windows and the like, so as to remove or sufficiently reduce formaldehyde released from building materials, furniture and the like, and avoid the influence on body health caused by the formaldehyde.
However, the above conventional measures may not achieve the intended effect depending on the situation.
For example, since the volatilization of formaldehyde is affected by temperature, and the higher the temperature, the faster the volatilization speed is, in general, when finishing decoration in winter and ventilating by opening windows in spring, the lower the temperature in spring and the slower the volatilization of formaldehyde, the ideal formaldehyde removing effect cannot be achieved even if ventilating for about half a year is performed.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a control method for an air treatment system, which contributes to efficient removal of formaldehyde and energy saving, and an air treatment system operated by the control method.
In order to achieve the above object, the present invention provides a method for controlling an air handling system, wherein the air handling system includes a heating unit and an indoor temperature sensor for detecting an indoor temperature, and the air handling system is caused to perform a formaldehyde removal operation including a heating step in which the heating unit heats the indoor, and the heating step is caused to stop heating by the heating unit when the indoor temperature detected by the indoor temperature sensor does not reach an indoor set temperature within a set time.
According to the control method of the air treatment system, the air treatment system is enabled to execute the formaldehyde removal operation, and the formaldehyde removal operation comprises the heating step of heating the indoor by the heating unit, so that the volatilization of the indoor formaldehyde can be accelerated through the heating step even in seasons and regions with low temperature, and the formaldehyde can be easily removed efficiently through windowing; in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, the air processing system stops heating of the heating unit, so that the heating unit is prevented from being uselessly used for heating when the air processing system is abnormal, electric power waste is avoided, and energy conservation is realized.
In the air-conditioning system control method according to the present invention, it is preferable that in the heating step, an abnormality is notified when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time.
According to the control method of the air handling system of the present invention, in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, an abnormality is notified, and therefore, it is helpful for the relevant person to deal with the abnormality as soon as possible.
In the method of controlling an air handling system according to the present invention, it is preferable that the air handling system includes a ventilation unit that performs ventilation between the inside and the outside of the room, and in the heating step, the air handling system is caused to perform ventilation of the ventilation unit when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time.
Here, the term "outdoor" also includes spaces such as corridors.
According to the control method of the air treatment system of the present invention, the air treatment system has the ventilation unit for performing ventilation between the indoor and the outdoor, and the air treatment system is caused to perform ventilation of the ventilation unit when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time in the heating step, so that it is possible to contribute to ensuring the continuous release of formaldehyde to the outdoor in the case of an abnormality.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes a ventilation unit that performs ventilation between the inside and the outside of the room and an outdoor temperature sensor that detects an outdoor temperature, and that the air treatment system performs a ventilation operation in which only ventilation by the ventilation unit is performed without heating by the heating unit when the outdoor temperature detected by the outdoor temperature sensor is higher than a first outdoor set temperature before the formaldehyde removal operation.
According to the control method of the air processing system of the present invention, the air processing system has the ventilation unit for performing ventilation between the indoor and outdoor and the outdoor temperature sensor for detecting the outdoor temperature, and before the formaldehyde removal operation, when the outdoor temperature detected by the outdoor temperature sensor is higher than the first outdoor set temperature, the air processing system is caused to perform the ventilation operation in which only ventilation of the ventilation unit is performed and heating of the heating unit is not performed, so that when the outdoor temperature is high, it is possible to avoid waste of electric energy due to heating of the heating unit which does not contribute much or does not contribute to increasing the formaldehyde volatilization speed, and to achieve energy saving.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system be caused to perform the formaldehyde removal operation when an outdoor temperature detected by an outdoor temperature sensor is lower than a second outdoor set temperature lower than the first outdoor set temperature in the ventilation operation.
According to the control method of the air treatment system of the invention, in the ventilation operation, when the outdoor temperature detected by the outdoor temperature sensor is lower than the second outdoor set temperature lower than the first outdoor set temperature, the air treatment system executes the formaldehyde removal operation, therefore, the formaldehyde removal operation is easy to avoid being frequently started and stopped; that is, if the air treatment system is set to perform the formaldehyde removal operation when the outdoor temperature detected by the outdoor temperature sensor is equal to or lower than the first outdoor set temperature, the formaldehyde removal operation may be frequently started and stopped when the outdoor temperature fluctuates around the first outdoor set temperature, whereas if the air treatment system is set to perform the formaldehyde removal operation when the outdoor temperature detected by the outdoor temperature sensor is lower than the second outdoor set temperature lower than the first outdoor set temperature, the formaldehyde removal operation may be easily prevented from being frequently started and stopped.
In the method of controlling an air handling system according to the present invention, it is preferable that the air handling system includes a total heat exchanger constituting a ventilation unit for performing ventilation between the inside and the outside of the room, and that the outdoor air is heated by the total heat exchanger and then flows into the inside of the room when the outdoor temperature detected by the outdoor temperature sensor is lower than a third outdoor set temperature before the formaldehyde removal operation, and the outdoor air is flowed into the inside of the room without being heated by the total heat exchanger when the outdoor temperature detected by the outdoor temperature sensor is equal to or higher than the third outdoor set temperature, and the third outdoor set temperature is equal to or lower than the second outdoor set temperature.
According to the control method of the air handling system of the present invention, since the air handling system has the total heat exchanger constituting the ventilation unit for performing ventilation between the indoor and the outdoor, and the outdoor air is heated by the total heat exchanger and flows into the indoor when the outdoor temperature detected by the outdoor temperature sensor is lower than the third outdoor set temperature before the formaldehyde removal operation, and the outdoor air flows into the indoor without being heated by the total heat exchanger when the outdoor temperature detected by the outdoor temperature sensor is higher than or equal to the third outdoor set temperature, and the third outdoor set temperature is lower than or equal to the second outdoor set temperature, when the outdoor temperature is too low, the air flowing into the indoor from the outdoor can be heated by the total heat exchanger, and the volatilization of formaldehyde can be prevented from being slowed down due to the rapid decrease in the indoor temperature by ventilation, the efficient removal of formaldehyde is easily realized, and when the outdoor temperature is too low, the total heat exchanger heats the air flowing into the room from the outside by utilizing the air flowing into the room from the inside to the outside, namely, the heat of the air flowing into the outside from the inside to the outside is recovered, so that the heating quantity required by the heating unit can be reduced, the electric power is saved, and the energy conservation is realized.
In the method of controlling an air handling system according to the present invention, it is preferable that the air handling system includes a ventilation unit that performs ventilation between the inside and the outside of the room, and an air conditioner that constitutes a heating unit, the air conditioner includes an outdoor unit and an indoor unit, and when an abnormality occurs in the outdoor unit and/or the indoor unit, the air handling system is caused to operate at an abnormal time in which only ventilation by the ventilation unit is performed and heating by the heating unit is not performed.
According to the control method of the air treatment system of the present invention, the air treatment system includes the ventilation unit that performs ventilation between the indoor and outdoor, and the air conditioner that constitutes the heating unit, the air conditioner includes the outdoor unit and the indoor unit, and when an abnormality occurs in the outdoor unit and/or the indoor unit, the air treatment system is operated at an abnormal time in which only ventilation by the ventilation unit is performed and heating by the heating unit is not performed, and therefore, it is possible to help ensure normal emission of formaldehyde to the outdoor even when an abnormality occurs in the air conditioner.
In the control method of the air treatment system according to the present invention, it is preferable that the abnormality is notified when an abnormality occurs in the outdoor unit and/or the indoor unit.
According to the control method of the air processing system of the present invention, when an abnormality occurs in the outdoor unit and/or the indoor unit, the abnormality is notified, and therefore, it is helpful for relevant persons to deal with the abnormality in the outdoor unit and/or the indoor unit as early as possible.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes a formaldehyde concentration sensor for detecting a formaldehyde concentration in the room, and the air treatment system is stopped when the formaldehyde concentration detected by the formaldehyde concentration sensor is equal to or lower than a set concentration when the formaldehyde concentration does not rise any more in the heating step.
Here, it should be noted that, in practice, the detection value of the formaldehyde concentration sensor usually has a certain fluctuation and deviation, but the formaldehyde concentration may be determined not to increase any more according to the fact that the detection value of the formaldehyde concentration sensor does not exceed the preset interval within a predetermined time, or the formaldehyde concentration may be determined not to increase any more according to the fact that the difference value between two detection values detected by the formaldehyde concentration sensor successively at a predetermined time interval does not exceed the preset interval.
According to the control method of the air treatment system of the present invention, in the heating step, when the formaldehyde concentration detected by the formaldehyde concentration sensor is not increased any more, the air treatment system is stopped when the formaldehyde concentration is equal to or lower than the set concentration, so that it is possible to avoid electric energy waste due to excessive heating that does not contribute to increasing the formaldehyde volatilization speed, and to achieve energy saving.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes a humidification unit, and the heating step humidifies a room by the humidification unit.
According to the control method of the air treatment system of the present invention, since the air treatment system includes the humidifying unit and the room is humidified by the humidifying unit in the heating step, the volatilization rate of formaldehyde in the room can be increased by the humidifying unit in the heating step based on the relationship that the higher the humidity in the room is, the higher the saturation concentration is, and thus formaldehyde can be removed more efficiently.
In the method of controlling an air processing system according to the present invention, it is preferable that the air processing system includes a humidity sensor for detecting a humidity in the room, and the humidification of the humidification unit is stopped when the humidity detected by the humidity sensor is greater than 70%.
According to the control method of the air treatment system of the present invention, since the air treatment system includes the humidity sensor for detecting the humidity in the room and the humidification of the humidification unit is stopped when the humidity detected by the humidity sensor is greater than 70%, the formaldehyde volatilization rate and the formaldehyde saturation concentration can be increased by the humidification unit, and the mildew of furniture in the room and the like can be easily avoided.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes a formaldehyde concentration sensor for detecting a concentration of formaldehyde in a room, and the formaldehyde removal operation includes a first formaldehyde removal operation including: a first switching step of stopping heating by the heating unit and performing ventilation by the ventilation unit when the formaldehyde concentration detected by the formaldehyde concentration sensor does not rise any more after the heating step; and a second switching step of stopping ventilation by the ventilation unit and returning to the heating step when the formaldehyde concentration detected by the formaldehyde concentration sensor decreases to a set concentration after the first switching step, wherein the air treatment system includes a formaldehyde purification unit, and the formaldehyde is purified and decomposed by the formaldehyde purification unit in the second switching step.
According to the control method of the air treatment system, the air treatment system comprises the formaldehyde purification unit, and the formaldehyde is purified and decomposed by the formaldehyde purification unit in the second switching step, so that the formaldehyde removal efficiency can be accelerated in the second switching step, the formaldehyde can be removed more efficiently, and the formaldehyde can be completely removed.
In the method for controlling an air treatment system according to the present invention, it is preferable that the formaldehyde purification unit purifies and decomposes formaldehyde by ozone.
According to the control method of the air treatment system, the formaldehyde purification unit utilizes the ozone to purify and decompose the formaldehyde, so that the formaldehyde is completely eliminated.
In the method for controlling an air treatment system according to the present invention, it is preferable that the formaldehyde removal operation includes a first formaldehyde removal operation, a second formaldehyde removal operation, and a third formaldehyde removal operation, the air treatment system is switchable between the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation, the air treatment system includes a ventilation unit that performs ventilation between an indoor space and an outdoor space, and a formaldehyde concentration sensor that detects a formaldehyde concentration in the indoor space, the first formaldehyde removal operation includes a first switching step after the heating step, the heating unit stops heating when the formaldehyde concentration detected by the formaldehyde concentration sensor does not rise any more, the heating unit and the ventilation unit are alternately operated in the second formaldehyde removal operation for a first fixed period of time and the ventilation unit is operated for a second fixed period of time, and in the third formaldehyde removal operation, the heating unit and the ventilation unit work simultaneously.
According to the control method of the air treatment system, the energy can be further saved by selecting the appropriate formaldehyde removal operation according to the requirements.
In the method of controlling an air treatment system according to the present invention, it is preferable that when any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, the air treatment system notifies an abnormality and continues to execute the operation when the air treatment system receives a cooling start command from the outside.
According to the control method of the air treatment system of the present invention, when any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, if the air treatment system receives a cooling start instruction from the outside, the air treatment system is notified of an abnormality and continues to execute any one of the operations.
In the method of controlling an air handling system according to the present invention, it is preferable that the air handling system includes a ventilation unit that performs ventilation between an indoor space and an outdoor space, and a human detection sensor that detects whether or not a human is present in the indoor space, and that the air handling system is caused to perform only ventilation of the ventilation unit and not to perform heating of the heating unit when the human detection sensor detects that a human is present in the indoor space before any one of the first formaldehyde elimination operation, the second formaldehyde elimination operation, and the third formaldehyde elimination operation is turned on.
According to the control method of the air treatment system of the present invention, the air treatment system has the ventilation unit that performs ventilation between the indoor and the outdoor, the air treatment system has the human detection sensor that detects whether there is a human in the indoor, and before any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, the air treatment system performs only ventilation of the ventilation unit and does not perform heating of the heating unit when the human detection sensor detects that there is a human in the indoor, and therefore, it is helpful to ensure that formaldehyde is rapidly released to the outdoor, and it is avoided that the indoor personnel are in an environment with a high formaldehyde concentration due to any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation, which affects the health of the indoor personnel.
In the method of controlling an air treatment system according to the present invention, it is preferable that an abnormality is notified when a human detection sensor detects that a human is present in a room before any one of the first formaldehyde elimination operation, the second formaldehyde elimination operation, and the third formaldehyde elimination operation is turned on.
According to the control method of the air treatment system of the present invention, before any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, an abnormality is notified when the human detection sensor detects that a human is present in the room, and therefore, it is helpful for the relevant person to pay attention.
In the method for controlling an air treatment system according to the present invention, it is preferable that the air treatment system is stopped when the total operation time of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation reaches a set time.
Here, the "total time" means the total time for performing any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation, and the "total time" means the total time obtained by adding the execution times of the two or three operations, when performing two or three operations of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation.
In the method for controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes a formaldehyde concentration sensor for detecting a formaldehyde concentration in a room, the first formaldehyde removal operation includes a second switching step after the first switching step, the ventilation unit stops ventilation and returns to the heating step when the formaldehyde concentration detected by the formaldehyde concentration sensor decreases to a set concentration, the air treatment system is stopped when a preset time elapses after the air treatment system is stopped when an operation time of any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation reaches the set time, the air treatment system is kept stopped when the formaldehyde concentration detected by the formaldehyde concentration sensor is less than a safe concentration, and the formaldehyde concentration detected by the formaldehyde concentration sensor is equal to or greater than the safe concentration, and an air treatment system is caused to execute any one of the first formaldehyde removal operation, the second formaldehyde removal operation and the third formaldehyde removal operation, wherein the safe concentration is equal to or less than the set concentration.
In the method of controlling an air treatment system according to the present invention, it is preferable that the air treatment system includes an outdoor temperature sensor for detecting an outdoor temperature, and when the terminal issues an instruction to the air treatment system to perform the third formaldehyde removal operation, if the outdoor temperature detected by the outdoor temperature sensor is lower than a fourth outdoor set temperature, the air treatment system is caused to perform the first formaldehyde removal operation or the second formaldehyde removal operation, but not the third formaldehyde removal operation, and if the outdoor temperature detected by the outdoor temperature sensor is equal to or higher than the fourth outdoor set temperature, the air treatment system is caused to perform the third formaldehyde removal operation.
According to the control method of the air treatment system of the present invention, when the outdoor temperature is low, the first formaldehyde removal operation or the second formaldehyde removal operation is performed in the air treatment system, and the third formaldehyde removal operation is not performed, so that it is possible to prevent the volatilization of formaldehyde from being suppressed due to the heat generation unit being unable to effectively raise the indoor temperature due to the effect of the ventilation unit, and on the other hand, when the outdoor temperature is high, the third formaldehyde removal operation is performed in the air treatment system, which contributes to ensuring the release of formaldehyde to the outside.
In the control method of the air treatment system according to the present invention, it is preferable that the air treatment system transmits the operation mode of the air treatment system to a background or a terminal.
According to the control method of the air treatment system, the air treatment system sends the operation mode of the air treatment system to the background or the terminal, so that the background or the terminal can be used for conveniently monitoring the operation condition of the air treatment system.
In the method for controlling an air treatment system according to the present invention, it is preferable that the terminal be used to select a set temperature, a set time, and an operation mode of the air treatment system.
According to the control method of the air treatment system, the operation of the air treatment system can be conveniently controlled by using the terminal.
Further, in order to achieve the above object, the present invention provides an air treatment system comprising: the air treatment unit at least comprises a heating unit, a ventilation unit, a humidification unit and a heating unit in the formaldehyde purification unit, wherein the heating unit heats the indoor space, the ventilation unit ventilates the indoor space and the outdoor space, the humidification unit humidifies the indoor space, and the formaldehyde purification unit purifies and decomposes the indoor formaldehyde; the formaldehyde concentration sensor detects the indoor formaldehyde concentration, the outdoor temperature sensor detects the outdoor temperature, and the humidity sensor detects the indoor humidity; and a control unit that controls an operation of the air treatment system according to the control method of the air treatment system.
Furthermore, in the air treatment system of the present invention, it is preferable that the control unit is provided separately from the air treatment unit and the detection unit, or is integrated in the air treatment unit or the detection unit.
(effect of the invention)
According to the invention, the air treatment system is enabled to execute the formaldehyde removal operation, and the formaldehyde removal operation comprises the heating step of heating the indoor by the heating unit, so that the volatilization of the indoor formaldehyde can be accelerated even in seasons and regions with lower temperature through the heating step, and the efficient removal of the formaldehyde can be easily realized through windowing; in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, the air processing system stops heating of the heating unit, so that the heating unit is prevented from being uselessly used for heating when the air processing system is abnormal, electric power waste is avoided, and energy conservation is realized.
Drawings
Fig. 1 is a schematic diagram showing the overall configuration of an air treatment system according to embodiment 1 of the present invention.
Fig. 2 is a block diagram showing the formaldehyde removal operation performed by the air treatment system according to embodiment 1 of the present invention.
Fig. 3 is a schematic diagram showing the overall configuration of an air treatment system according to embodiment 2 of the present invention.
Fig. 4 is a block diagram showing the formaldehyde removal operation performed by the air treatment system according to embodiment 2 of the present invention.
Fig. 5 is a block diagram showing an operation performed by an air treatment system according to a modification of the present invention.
(symbol description)
1. 1A air treatment system
11 heating unit
111 outdoor machine
112 indoor machine
12 air exchange unit
13 control unit
14 terminal
18 indoor temperature sensor
Detailed Description
An air treatment system according to an embodiment of the present invention will be described below with reference to the drawings.
< embodiment 1>
Fig. 1 is a schematic diagram showing the overall configuration of an air treatment system according to embodiment 1 of the present invention, and fig. 2 is a block diagram showing a formaldehyde removal operation performed by the air treatment system according to embodiment 1 of the present invention.
(Structure of air treatment System)
The air processing system 1 includes a heating unit 11 and an indoor temperature sensor 18 that detects an indoor temperature.
Here, the indoor temperature sensor 18 may be provided independently of the heating unit 11, or may be provided in the heating unit 11.
The air treatment system 1 further includes a control unit 13, and the terminal 14 can control the operation of the heating unit 11 by communicating with the control unit 13 via a router, not shown, and communicating with the heating unit 11 via the control unit 13.
(Structure of heating Unit)
The heating unit 11 may be constituted by an air conditioner, a fan heater, an oil heater, or the like.
Here, the heating unit 11 is a multi-type air conditioner, and includes one outdoor unit 111 and a plurality of indoor units 112 (in the illustrated example, two indoor units) connected to the outdoor unit 111 by refrigerant pipes, and commands transmitted from the terminal 14 are transmitted to the air conditioner via the control unit 13.
The air conditioner (specifically, the indoor unit 112) may have a heating function, but may have both a heating function and a cooling function.
In addition, since the specific structure of the air conditioner is not the focus of the present invention and the existing structure can be adopted, it is not developed in detail.
(Structure of control Unit)
The control unit 13 recognizes a command transmitted from the terminal 14, for example, and transmits the command to the heating unit 11 (the outdoor unit 111 and/or the indoor unit 112) by wired communication or wireless communication to control the operation of the heating unit 11.
Here, since the specific structure of the control unit 13 is not the focus of the present invention, it is not expanded in detail.
(terminal)
The terminal 14 is configured by, for example, a smart phone, a tablet computer, a cloud server, and the like.
Here, the terminal 14 is a mobile phone, and various items such as various set temperatures (for example, an indoor set temperature, an outdoor set temperature, and the like mentioned below), various set times, and various operation modes in the air treatment system 1 can be selected by the terminal 14.
Here, since the specific structure of the terminal 14 is not the focus of the present invention, and an existing structure can be adopted, it is not expanded in detail.
(operation for removing Formaldehyde in air treatment System)
In step S11, the heating unit 11 starts to operate to heat the room (for example, the terminal 14 sets the heating temperature of the heating unit 11 to 26 ℃).
In step S12, it is determined whether or not the indoor temperature detected by the indoor temperature sensor 18 has not reached the indoor set temperature (e.g., 26 ℃) within a set time (e.g., 4 hours).
In step S12, when the indoor temperature detected by the indoor temperature sensor 18 reaches the indoor set temperature within the set time (no in step S12), the process proceeds to step S12. On the other hand, if the indoor temperature detected by the indoor temperature sensor 18 does not reach the indoor set temperature within the set time (yes in step S12), the process proceeds to step S13.
In step S13, the heating unit 11 stops heating.
(main effect of the present embodiment)
According to the air treatment system 1 of the present embodiment, since the formaldehyde removal operation including the heating step of heating the room by the heating unit 11 can be performed, the volatilization of formaldehyde in the room can be accelerated even in a season or an area where the temperature is low by the heating step, and the efficient removal of formaldehyde can be easily achieved by opening the window; in the heating step, when the indoor temperature detected by the indoor temperature sensor 18 does not reach the indoor set temperature within the set time, the air handling system 1 is caused to stop heating by the heating unit 11, which contributes to avoiding wasteful power consumption and energy saving by wastefully heating by the heating unit 11 when an abnormality occurs in the air handling system 1.
< embodiment 2>
Fig. 3 is a schematic diagram showing the overall configuration of an air treatment system according to embodiment 2 of the present invention, and fig. 4 is a block diagram showing a part of the operation performed by the air treatment system according to embodiment 2 of the present invention.
The configuration of the air treatment system 1A according to the present embodiment differs from the configuration of the air treatment system 1 according to embodiment 1 only in that the ventilation unit 12 is further included, and therefore the same components as those of the air treatment system 1 according to embodiment 1 are denoted by the same reference numerals, and redundant description thereof is omitted.
(Structure of Ventilation Unit)
The ventilation unit 12 performs ventilation between the indoor and outdoor.
The terminal 14 can communicate with the ventilation unit 12 via the control unit 13 to control the operation of the ventilation unit 12.
The ventilation unit 12 has, for example, an air inlet communicating with the air outlet via a first air flow path in the ventilation unit 12, an air outlet communicating with the air outlet via a second air flow path in the ventilation unit 12, an air return opening through which outdoor air flows from the air inlet to the air outlet via the first air flow path to enter the room, and an air discharge opening through which indoor air flows from the air return opening to the air discharge opening via the second air flow path to be discharged to the outside.
Here, the ventilation unit 12 is configured by a total heat exchanger and has both a ventilation function and a heating function (for example, the cold air flowing through the first air flow passage is heat-exchanged with the warm air flowing through the second air flow passage to heat the cold air flowing through the first air flow passage), but the ventilation unit 12 may have only the ventilation function (for example, the ventilation unit 12 is configured by a device such as an air cleaner which does not have a heating function).
In addition, since the specific structure of the total heat exchanger, the air cleaner, and the like is not the focus of the present invention, and the existing structure can be adopted, it is not expanded in detail.
(operation for removing Formaldehyde in air treatment System)
In step S11, the heating unit 11 starts to operate to heat the room (for example, the terminal 14 sets the heating temperature of the heating unit 11 to 26 ℃).
In step S12, it is determined whether or not the indoor temperature detected by the indoor temperature sensor 18 has not reached the indoor set temperature (e.g., 26 ℃) within a set time (e.g., 4 hours).
In step S12, when the indoor temperature detected by the indoor temperature sensor 18 reaches the indoor set temperature within the set time (no in step S12), the process proceeds to step S12. On the other hand, if the indoor temperature detected by the indoor temperature sensor 18 does not reach the indoor set temperature within the set time (yes in step S12), the process proceeds to step S13.
In step S13, heating is stopped in heating unit 11, and ventilation is performed in ventilation unit 12.
(main effect of the present embodiment)
According to the air treatment system 1A of the present embodiment, since the ventilation unit 12 is provided and ventilation is performed by the ventilation unit 12 when the indoor temperature detected by the indoor temperature sensor 18 does not reach the indoor set temperature within the set time in the heating step, it is possible to ensure rapid release of formaldehyde to the outside in the case of an abnormality, and it is possible to avoid the health of indoor personnel from being affected by an excessively high concentration of formaldehyde in the room.
The present invention is described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments.
For example, in embodiments 1 and 2, in the heating step in the formaldehyde removal operation, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, an abnormality may be notified (for example, an image displayed on a display screen or a sound of a buzzer).
In embodiment 2, the air handling system 1A may further include an outdoor temperature sensor for detecting an outdoor temperature, and the air handling system 1A may perform a ventilation operation in which ventilation is performed only by the ventilation unit 12 without heating by the heating unit 11 when the outdoor temperature detected by the outdoor temperature sensor is higher than a first outdoor set temperature (for example, 26 ℃) before the formaldehyde removal operation as shown in steps S21 and S22 in fig. 5, while the air handling system 1A may perform the formaldehyde removal operation when the outdoor temperature detected by the outdoor temperature sensor is equal to or lower than the first outdoor set temperature (for example, 26 ℃) before the formaldehyde removal operation as shown in step S23 in fig. 5.
In the above case, as shown in steps S24, S25, and S23 of fig. 5, the ventilation unit 12 may stop ventilation when the outdoor temperature detected by the outdoor temperature sensor is lower than the second outdoor set temperature (for example, 20 ℃) lower than the first outdoor set temperature during the ventilation operation, and then the air treatment system 1A may perform the formaldehyde removal operation.
In this case, in the ventilation stage during the formaldehyde removal operation, when the outdoor temperature detected by the outdoor temperature sensor is lower than the third outdoor set temperature (for example, 15 ℃) which is equal to or lower than the second outdoor set temperature, outdoor air is heated by the ventilation unit 12 and then flows into the room (in the case where the ventilation unit 12 is a device such as an air cleaner that does not have a heating function and a heating member is separately provided, the air sent into the room by the ventilation unit 12 is heated by the heating member and then flows into the room), when the outdoor temperature detected by the outdoor temperature sensor is equal to or higher than the third outdoor set temperature, the outdoor air is caused to flow into the room without being heated by the ventilation unit 12 (when the ventilation unit 12 is a device such as an air cleaner that does not have a heating function and is provided with a separate heating member, the air sent into the room by the ventilation unit 12 is caused to flow into the room without being heated by the heating member).
In embodiment 2, when an abnormality occurs in the outdoor unit 111 and/or the indoor unit 112, the air handling system 1A may be caused to perform an abnormal operation in which only ventilation by the ventilation unit 12 is performed and heating by the heating unit 11 is not performed, and in this case, an abnormality may be notified (for example, an image displayed on a display screen or a sound from a buzzer).
In embodiments 1 and 2, the air treatment systems 1 and 1A may further include a formaldehyde concentration sensor for detecting a formaldehyde concentration in the room, and the air treatment systems 1 and 1A may be stopped when the formaldehyde concentration detected by the formaldehyde concentration sensor is not increased any more in the heating step of the formaldehyde removal operation and is equal to or less than the set concentration.
In embodiments 1 and 2, the air treatment systems 1 and 1A may further include a humidifying unit, and the room may be humidified by the humidifying unit in the heating step in the formaldehyde removal operation.
In the above case, the air processing system 1, 1A may further include a humidity sensor that detects the humidity in the room, and the humidification unit stops the humidification when the humidity detected by the humidity sensor is greater than 70%.
Further, in embodiment 2 described above, the following arrangement may also be adopted: the air treatment system 1A has a formaldehyde concentration sensor that detects the concentration of formaldehyde in the room, and the formaldehyde removal operation includes a first formaldehyde removal operation including: a first switching step of stopping heating by the heating unit 11 and ventilating by the ventilation unit 12 when the formaldehyde concentration detected by the formaldehyde concentration sensor does not rise any more after the heating step; and a second switching step of stopping ventilation by the ventilation unit 12 and returning to the heating step when the formaldehyde concentration detected by the formaldehyde concentration sensor decreases to a set concentration after the first switching step.
In the above case, the air treatment system 1A may further include a formaldehyde purification unit, and in the second switching step, formaldehyde is purified and decomposed by the formaldehyde purification unit (e.g., by ozone).
Further, in embodiment 2 described above, the following arrangement may also be adopted: the formaldehyde removing operation includes a first formaldehyde removing operation, a second formaldehyde removing operation, and a third formaldehyde removing operation, the air treatment system 1A is switchable between the first formaldehyde removing operation and the second formaldehyde removing operation, and the third formaldehyde removing operation, the air treatment system 1A has a formaldehyde concentration sensor for detecting a formaldehyde concentration in a room, and the first formaldehyde removing operation includes a first switching step after the heating step, in the first switching step, when the formaldehyde concentration detected by the formaldehyde concentration sensor does not rise any more, the heating unit 11 stops heating, in the second formaldehyde removing operation, the heating unit 11 and the ventilation unit 12 are alternately operated in a manner that the heating unit 11 is operated for a first fixed period of time, the ventilation unit 12 is operated for a second fixed period of time, and in the third formaldehyde removing operation, the heating unit 11 and the ventilation unit 12 are simultaneously operated.
In the above case, the following arrangement may also be adopted: when any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, if the air handling system 1A receives a cooling start instruction from the outside, the air handling system 1A notifies an abnormality and continues to perform any one of the operations.
In the above case, the following arrangement may also be adopted: the air handling system 1A has a human detection sensor for detecting whether or not a human is present in the room, and when the human detection sensor detects that a human is present in the room before any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation is turned on, the air handling system 1A is caused to perform only ventilation by the ventilation unit 12 without performing heating by the heating unit 11, and notifies of an abnormality.
In the above case, the following arrangement may also be adopted: when the total operation time of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation reaches a set time, the air treatment system 1A is stopped.
In the above case, the following arrangement may also be adopted: the air handling system 1A includes an outdoor temperature sensor that detects an outdoor temperature, and when the terminal 14 issues an instruction to the air handling system 1A to perform a third formaldehyde removal operation, if the outdoor temperature detected by the outdoor temperature sensor is lower than a fourth outdoor set temperature (for example, 15 ℃), the air handling system 1A is caused to perform the first formaldehyde removal operation or the second formaldehyde removal operation, but the third formaldehyde removal operation is not performed, and on the other hand, if the outdoor temperature detected by the outdoor temperature sensor is equal to or higher than the fourth outdoor set temperature, the air handling system 1A is caused to perform the third formaldehyde removal operation.
In the above case, the following arrangement may also be adopted: when a predetermined time has elapsed after the air treatment system 1A is stopped because the operating time of any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation has reached a set time, the air treatment system 1A is kept stopped if the formaldehyde concentration detected by the formaldehyde concentration sensor is less than a safe concentration, and on the other hand, the air treatment system 1A is caused to execute any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation if the formaldehyde concentration detected by the formaldehyde concentration sensor is equal to or greater than the safe concentration that is equal to or less than the set concentration.
In addition, in the above embodiments 1 and 2, the air treatment systems 1 and 1A may also transmit the operation modes to the background (for example, a monitoring device, a cloud server, etc., not shown).
In embodiment 2, the ventilation unit 12 and the heating unit 11 may be provided in series in the air passage, that is, the ventilation unit 12 and the heating unit 11 may be directly connected via an air duct or the like (for example, the total heat exchanger is connected to the indoor unit by an air duct or the like so that air is directly blown into the indoor unit via the total heat exchanger), or may be provided separately, that is, the ventilation unit 12 and the heating unit 11 may not be directly connected in the air passage (for example, the total heat exchanger directly blows air into the indoor unit, and the indoor unit draws air from the indoor unit, but does not draw air directly from an air outlet of the total heat exchanger). In particular, if the ventilation unit 12 and the heating unit 11 are provided in series in the air passage, even if the ventilation unit 12 is a device such as an air cleaner that does not have a heating function, it is possible to cause the outdoor air to flow into the room after being heated by the heating unit 11 when the temperature of the outdoor air is low without providing a separate heating member, and it is possible to simplify the overall configuration of the air handling system; on the other hand, in the case where the ventilation unit 12 and the heating unit 11 are provided in series in the air passage, if the ventilation unit 12 has a heating function or if the ventilation unit 12 does not have a heating function but is provided with a heating member separately, the outdoor air to be sent into the room can be heated by the ventilation unit 12 or the heating member together with the heating unit 11, and therefore, even when the temperature of the outdoor air is too low, the formaldehyde removal operation is easily performed.
In embodiment 2, each of the heating unit 11 and the ventilation unit 12 may include its own controller (e.g., remote controller). In this case, the heating unit 11 and the ventilation unit 12 may be provided, for example, so as to be switchable between independent control and centralized control; in the independent control, the controller can independently control the start, stop, and the like of the heating unit 11 and the ventilation unit 12 without being restricted by the control unit 13; on the other hand, in the centralized control, the operation of the heating unit 11 and the ventilation unit 12 is restricted by the control unit 13, and if the commands issued to the heating unit 11 and the ventilation unit 12 by the controllers of the heating unit 11 and the ventilation unit 12 and the commands issued to the heating unit 11 and the ventilation unit 12 by the control unit 13 conflict with each other, the commands issued to the heating unit 11 and the ventilation unit 12 by the controllers of the heating unit 11 and the ventilation unit 12 are not executed or partially executed, and for example, when the ventilation unit 12 and the heating unit 11 are installed in series on the air passage and the ventilation unit 12 communicates with the heating unit 11 via the air duct, the control unit 13 causes the ventilation unit 12 and the heating unit 11 to be interlocked, and in the state where the ventilation unit 12 is operating, the heating unit 11 simply stops the circulation of the refrigerant even if the controller of the heating unit 11 issues a stop command to the heating unit 11, but the fan is continuously operated to prevent outdoor air from being not introduced into the room.
In embodiment 2, the control unit 13, the heating unit 11, and the ventilation unit 12 may be in wired or wireless communication, and the sensors such as the indoor temperature sensor 18 may be in wireless communication with the control unit 13 via a router, for example.
Further, in the above-described embodiment, the control unit 13 is provided separately from the air processing unit such as the heating unit 11 and the detection unit such as the indoor temperature sensor 18, but is not limited to this, and the control unit 13 may be integrated in the air processing unit or the detection unit.
It should be understood that the present invention can freely combine the embodiments and the modifications thereof, or appropriately modify and omit the embodiments and the modifications thereof within the scope thereof.
Claims (24)
1. A method of controlling an air treatment system,
the air processing system has a heating unit and an indoor temperature sensor for detecting an indoor temperature,
the air treatment system is enabled to execute formaldehyde removal operation, the formaldehyde removal operation comprises a heating step of heating the indoor by the heating unit,
in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, the air handling system stops heating of the heating unit.
2. The control method of an air treatment system according to claim 1,
in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, an abnormality is notified.
3. The control method of an air treatment system according to claim 1,
the air treatment system has a ventilation unit for performing ventilation between the indoor and outdoor,
in the heating step, when the indoor temperature detected by the indoor temperature sensor does not reach the indoor set temperature within the set time, the air treatment system is caused to perform ventilation of the ventilation unit.
4. The control method of an air treatment system according to claim 1,
the air processing system is provided with a ventilation unit for ventilation between indoor and outdoor and an outdoor temperature sensor for detecting outdoor temperature,
before the formaldehyde removal operation, when the outdoor temperature detected by the outdoor temperature sensor is higher than a first outdoor set temperature, the air treatment system is made to execute ventilation operation in which only ventilation of the ventilation unit is performed and heating of the heating unit is not performed.
5. The control method of an air treatment system according to claim 4,
and a ventilation operation control unit configured to control the air treatment system to perform the formaldehyde removal operation when an outdoor temperature detected by the outdoor temperature sensor is lower than a second outdoor set temperature lower than the first outdoor set temperature.
6. The control method of an air treatment system according to claim 5,
the air treatment system is provided with a total heat exchanger which constitutes a ventilation unit for performing ventilation between the indoor and outdoor,
before the formaldehyde removal operation, when the outdoor temperature detected by the outdoor temperature sensor is lower than the set outdoor temperature, the outdoor air is heated by the total heat exchanger and flows into the room, and when the outdoor temperature detected by the outdoor temperature sensor is higher than the set outdoor temperature, the outdoor air flows into the room without being heated by the total heat exchanger, and the set outdoor temperature is lower than the second set outdoor temperature.
7. The control method of an air treatment system according to claim 1,
the air treatment system comprises a ventilation unit for performing ventilation between indoor and outdoor, and an air conditioner constituting a heating unit, the air conditioner comprising an outdoor unit and an indoor unit,
when an abnormality occurs in the outdoor unit and/or the indoor unit, the air handling system is caused to operate in an abnormal state in which only ventilation by the ventilation unit is performed and heating by the heating unit is not performed.
8. The control method of an air treatment system according to claim 7,
and when the outdoor unit and/or the indoor unit are abnormal, informing the abnormality.
9. The control method of an air treatment system according to claim 1,
the air treatment system is provided with a formaldehyde concentration sensor for detecting the concentration of formaldehyde in a room,
in the heating step, the air treatment system is stopped when the formaldehyde concentration detected by the formaldehyde concentration sensor is not increased any more and the formaldehyde concentration is less than or equal to the set concentration.
10. The control method of an air treatment system according to claim 1,
the air handling system has a humidification unit,
in the heating step, the humidification unit humidifies the room.
11. The control method of an air treatment system according to claim 10,
the air handling system has a humidity sensor that detects the humidity within the room,
when the humidity detected by the humidity sensor is greater than 70%, the humidification unit stops humidifying.
12. The control method of an air treatment system according to claim 1,
the air treatment system is provided with a formaldehyde concentration sensor for detecting the concentration of formaldehyde in a room,
the formaldehyde removal operation comprises a first formaldehyde removal operation,
the first formaldehyde removal operation comprises:
a first switching step of stopping heating by the heating unit and performing ventilation by the ventilation unit when the formaldehyde concentration detected by the formaldehyde concentration sensor does not rise any more after the heating step; and
a second switching step of stopping ventilation by the ventilation unit and returning to the heating step when the formaldehyde concentration detected by the formaldehyde concentration sensor decreases to a set concentration after the first switching step,
the air treatment system is provided with a formaldehyde purification unit,
and in the second switching step, formaldehyde is purified and decomposed by a formaldehyde purification unit.
13. The control method of an air treatment system according to claim 12,
the formaldehyde purification unit purifies and decomposes formaldehyde by using ozone.
14. The control method of an air treatment system according to claim 1,
the formaldehyde removing operation comprises a first formaldehyde removing operation, a second formaldehyde removing operation and a third formaldehyde removing operation,
the air treatment system can be switched between the first formaldehyde removal operation, the second formaldehyde removal operation and the third formaldehyde removal operation,
the air treatment system comprises a ventilation unit for ventilating between indoor and outdoor and a formaldehyde concentration sensor for detecting the concentration of formaldehyde in the indoor,
the first formaldehyde removal operation includes a first switching step in which the heating unit stops heating when the formaldehyde concentration detected by the formaldehyde concentration sensor does not increase any more after the heating step,
in the second formaldehyde removal operation, the heating unit and the ventilation unit alternately work in a mode of operating the heating unit for a first fixed time and operating the ventilation unit for a second fixed time,
and in the third formaldehyde removal operation, the heating unit and the ventilation unit work simultaneously.
15. The control method of an air treatment system according to claim 14,
and when any one of the first formaldehyde removal operation, the second formaldehyde removal operation and the third formaldehyde removal operation is started, if the air treatment system receives a refrigeration starting instruction from the outside, the air treatment system notifies the abnormality and continues to execute the any one.
16. The control method of an air treatment system according to claim 14,
the air treatment system comprises a ventilation unit for ventilating between indoor and outdoor and a human detection sensor for detecting whether a human is in the indoor,
before any one of the first formaldehyde removal operation, the second formaldehyde removal operation and the third formaldehyde removal operation is started, when a human detection sensor detects that a human is in a room, the air treatment system only performs ventilation of the ventilation unit and does not perform heating of the heating unit.
17. The control method of an air treatment system according to claim 16,
before any one of the first formaldehyde removal operation, the second formaldehyde removal operation and the third formaldehyde removal operation is started, when a human detection sensor detects that a human is in a room, an abnormality is notified.
18. The control method of an air treatment system according to claim 14,
and stopping the air treatment system when the total running time of the first formaldehyde removing operation, the second formaldehyde removing operation and the third formaldehyde removing operation reaches a set time.
19. The control method of an air treatment system according to claim 18,
the air treatment system is provided with a formaldehyde concentration sensor for detecting the concentration of formaldehyde in a room,
the first formaldehyde removal run includes a second switching step after the first switching step,
in the second switching step, when the formaldehyde concentration detected by the formaldehyde concentration sensor decreases to a set concentration, the ventilation unit stops ventilation and returns to the heating step,
when a preset time elapses after the operation time of any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation reaches the set time to stop the air treatment system, if the formaldehyde concentration detected by the formaldehyde concentration sensor is less than a safe concentration, the air treatment system is kept stopped, and if the formaldehyde concentration detected by the formaldehyde concentration sensor is equal to or more than the safe concentration, the air treatment system is caused to execute any one of the first formaldehyde removal operation, the second formaldehyde removal operation, and the third formaldehyde removal operation, the safe concentration being equal to or less than the set concentration.
20. The control method of an air treatment system according to claim 14,
the air handling system has an outdoor temperature sensor that detects an outdoor temperature,
when the terminal gives an instruction of the third formaldehyde removal operation to the air treatment system, if the outdoor temperature detected by the outdoor temperature sensor is lower than a fourth outdoor set temperature, the air treatment system executes the first formaldehyde removal operation or the second formaldehyde removal operation without executing the third formaldehyde removal operation, and on the other hand, if the outdoor temperature detected by the outdoor temperature sensor is higher than or equal to the fourth outdoor set temperature, the air treatment system executes the third formaldehyde removal operation.
21. The control method of an air treatment system according to any one of claims 1 to 20,
and the air processing system sends the operation mode of the air processing system to a background or a terminal.
22. The control method of an air treatment system according to any one of claims 1 to 20,
the terminal is used for selecting the set temperature, the set time and the operation mode of the air treatment system.
23. An air treatment system, comprising:
the air treatment unit at least comprises a heating unit, a ventilation unit, a humidification unit and a heating unit in the formaldehyde purification unit, wherein the heating unit heats the indoor space, the ventilation unit ventilates the indoor space and the outdoor space, the humidification unit humidifies the indoor space, and the formaldehyde purification unit purifies and decomposes the indoor formaldehyde;
the formaldehyde concentration sensor detects the indoor formaldehyde concentration, the outdoor temperature sensor detects the outdoor temperature, and the humidity sensor detects the indoor humidity; and
a control unit that controls an operation of the air handling system according to the control method of the air handling system according to any one of claims 1 to 22.
24. The air handling system of claim 23,
the control unit is provided separately from the air treatment unit and the detection unit or integrated in the air treatment unit or the detection unit.
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| CN112856595B (en) | 2023-02-17 |
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