CN109595734B - Control method and device of fresh air system and fresh air system - Google Patents
Control method and device of fresh air system and fresh air system Download PDFInfo
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- CN109595734B CN109595734B CN201811501293.6A CN201811501293A CN109595734B CN 109595734 B CN109595734 B CN 109595734B CN 201811501293 A CN201811501293 A CN 201811501293A CN 109595734 B CN109595734 B CN 109595734B
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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
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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
- 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
- F24F2110/70—Carbon dioxide
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method and a device of a fresh air system and the fresh air system, wherein the control method of the fresh air system comprises the following steps: judging whether the concentration of the indoor carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; the cooling water spraying device is controlled according to the cooling load and the temperature of the cooling water. The control method and the device of the fresh air system and the fresh air system can avoid the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline; the mildew in the ventilation pipe can be prevented; the temperature of the fresh air supply can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
Description
Technical Field
The invention relates to the technical field of electric appliances, in particular to a control method and device of a fresh air system and the fresh air system.
Background
Along with the improvement of living standard of people, the demand for fresh air is more and more strong.
In the related art, a fresh air system usually employs a total heat exchanger or a cooling water spraying device to cool fresh air entering a room. The total heat exchanger utilizes the residual cold/residual heat of the air exhausted to the outdoor to cool/heat the fresh air, but the fresh air system adopting the total heat exchanger has a complex structure and higher cost, and the fresh air system without the total heat exchanger cannot cool the fresh air entering the indoor. In addition, when the humidity in the ventilation pipeline of the fresh air system is high, the ventilation pipeline of the fresh air system is easy to mildew.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the first purpose of the invention is to provide a control method of a fresh air system, wherein the atomized water droplet collector is adopted to collect the un-evaporated atomized water droplets, so that the evaporation area is increased, the rapid evaporation of water mist is facilitated, and the phenomenon that a large amount of water mist is attached to the bottom of a ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
The second purpose of the invention is to provide a control device of the fresh air system.
The third purpose of the invention is to provide a fresh air system.
A fourth object of the invention is to propose an electronic device.
A fifth object of the invention is to propose a non-transitory computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a control method for a fresh air system, where the fresh air system includes: the air conditioner comprises a cooling water spray device arranged in an air duct between an outdoor air inlet device and an indoor air outlet device, an atomized water drop collector arranged below the cooling water spray device and close to the air outlet direction side in the air duct, and a first humidity sensor arranged at an air inlet of the air inlet device, wherein a second humidity sensor is arranged on the lower side surface of the atomized water drop collector; the cooling water atomizer is used for atomizing the cooling water of input, atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, first humidity transducer is used for detecting the first humidity of air inlet device air intake department, second humidity transducer is used for detecting second humidity in the air pipe, the cooling water is the comdenstion water that the air conditioner produced at the refrigeration in-process, control method includes:
periodically acquiring the concentration of indoor carbon dioxide;
judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not;
if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear;
if not, starting the fan, and determining a gear when the fan is started according to the concentration of the carbon dioxide;
acquiring a cold load required by fresh air cooling of the fresh air system according to the gear when the fan is started;
acquiring the temperature of the cooling water;
calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water;
controlling the cooling water spraying device according to the spraying frequency.
According to the control method of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area is increased, the rapid evaporation of water mist is facilitated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilating duct can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
According to one embodiment of the invention, the set gear is the lowest gear of the fan.
According to an embodiment of the present invention, the control method further includes: if the second humidity is smaller than the sum, controlling the cooling water spraying device to stop spraying, and not starting the fan.
According to one embodiment of the invention, an upper air outlet guide vane is arranged at an upper air outlet of the air outlet device, and a lower air outlet guide vane is arranged at a lower air outlet of the air outlet device; after the controlling the cooling water spraying apparatus, the controlling method further includes: judging whether the first humidity is smaller than a preset humidity threshold value or not; if so, controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened; if not, the upper air outlet guide vane is controlled to be opened, and the lower air outlet guide vane is controlled to be closed.
According to an embodiment of the present invention, the determining the gear when the fan is turned on according to the concentration of the carbon dioxide includes: determining a concentration grade or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide; and determining the gear when the fan is started according to the concentration grade or the concentration interval.
According to an embodiment of the present invention, the determining the gear when the fan is turned on according to the concentration level or the concentration interval includes: the higher the concentration of the carbon dioxide corresponding to the concentration grade or the concentration interval is, the larger the gear when the fan is started is.
According to an embodiment of the present invention, the acquiring a cooling load required by fresh air cooling of the fresh air system according to the gear when the fan is turned on includes: acquiring an outdoor environment temperature and an indoor environment temperature; and calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
In order to achieve the above object, a second embodiment of the present invention provides a control device for a fresh air system, where the fresh air system includes: the air conditioner comprises a cooling water spray device arranged in an air duct between an outdoor air inlet device and an indoor air outlet device, an atomized water drop collector arranged below the cooling water spray device and close to the air outlet direction side in the air duct, and a first humidity sensor arranged at an air inlet of the air inlet device, wherein a second humidity sensor is arranged on the lower side surface of the atomized water drop collector; cooling water atomizer is used for atomizing the cooling water of input, atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, first humidity transducer is used for detecting the first humidity of air inlet device air intake department, second humidity transducer is used for detecting second humidity in the air pipe, the comdenstion water that the cooling water produced for the air conditioner in the refrigeration process, controlling means includes:
the first acquisition module is used for periodically acquiring the concentration of indoor carbon dioxide;
the first judgment module is used for judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not;
the starting setting module is used for controlling the cooling water spraying device to stop spraying, starting the fan and setting a gear when the fan is started as a set gear if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity;
the starting determining module is used for starting the fan if the carbon dioxide is not in the preset range, and determining the gear when the fan is started according to the concentration of the carbon dioxide;
the second acquisition module is used for acquiring the cold load required by the fresh air cooling of the fresh air system according to the gear when the fan is started;
the third acquisition module is used for acquiring the temperature of the cooling water;
the calculation module is used for calculating the spraying frequency of the cooling water spraying device according to the cold load and the temperature of the cooling water;
and the first control module is used for controlling the cooling water spraying device according to the spraying frequency.
According to the control device of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area of the atomized water droplets is increased, the atomized water droplets are favorably and quickly evaporated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
According to one embodiment of the invention, the set gear is the lowest gear of the fan.
According to an embodiment of the present invention, the opening setting module is further configured to: if the second humidity is smaller than the sum, controlling the cooling water spraying device to stop spraying, and not starting the fan.
According to an embodiment of the present invention, the control apparatus further includes: the second judgment module is used for judging whether the first humidity is smaller than a preset humidity threshold value; the second control module is used for controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened if the upper air outlet guide vane and the lower air outlet guide vane are opened; if not, the upper air outlet guide vane is controlled to be opened, and the lower air outlet guide vane is controlled to be closed.
According to an embodiment of the present invention, the start determining module is specifically configured to: determining a concentration grade or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide; and determining the gear when the fan is started according to the concentration grade or the concentration interval.
According to an embodiment of the present invention, the start determining module is specifically configured to: the higher the concentration of the carbon dioxide corresponding to the concentration grade or the concentration interval is, the larger the gear when the fan is started is.
According to an embodiment of the present invention, the second obtaining module is specifically configured to: acquiring an outdoor environment temperature and an indoor environment temperature; and calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
In order to achieve the above object, a third aspect of the present invention provides a fresh air system, including: the control device of the fresh air system according to the embodiment of the second aspect of the invention.
To achieve the above object, a fourth aspect of the present invention provides an electronic device, including: the control method of the fresh air system comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the program, the control method of the fresh air system is realized.
To achieve the above object, a fifth embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the control method of the fresh air system according to the first embodiment of the present invention.
Drawings
FIG. 1 is a block diagram of a fresh air system according to one embodiment of the present invention;
FIG. 2 is a flow chart of a control method of a fresh air system according to one embodiment of the present invention;
FIG. 3 is a flow chart of a control method of a fresh air system according to another embodiment of the present invention;
FIG. 4 is a flow chart of a control method of a fresh air system according to another embodiment of the present invention;
FIG. 5 is a flow chart of a control method of a fresh air system according to another embodiment of the present invention;
FIG. 6 is a detailed flow chart of a control method of the fresh air system according to an embodiment of the invention;
FIG. 7 is a block diagram of a control device of the fresh air system according to one embodiment of the present invention;
FIG. 8 is a block diagram of a fresh air system according to one embodiment of the present invention;
FIG. 9 is a block diagram of an electronic device in accordance with one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes a control method and device of a fresh air system and the fresh air system according to an embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 is a structural diagram of a fresh air system according to an embodiment of the present invention, and as shown in fig. 1, the fresh air system includes: the air inlet device 13 is used for extracting outdoor air into a ventilation pipeline of the fresh air system; the air outlet device 14 is used for sending the fresh air processed by the fresh air system to the room; the first filter screen 15, the second filter screen 16 and the third filter screen 17 are sequentially arranged in the ventilation pipeline along the direction from air inlet to air outlet, the first filter screen 15 is used for filtering particulate matters in air entering the ventilation pipeline, the second filter screen 16 is used for carrying out secondary filtration on the air filtered by the first filter screen 15, and the third filter screen 17 is used for carrying out sterilization treatment on the air filtered by the second filter screen 16; a cooling water pretreatment device 12 for pretreating the cooling water and delivering the pretreated cooling water to the cooling water spraying device 11; a cooling water spraying device 11 for spraying the inputted cooling water, wherein, as shown in fig. 1, the cooling water spraying device 11 may be disposed at the top of the ventilation duct, may be disposed in the ventilation duct between the air intake device 13 and the air outlet device 14, and specifically may be disposed between the first filter screen 15 and the second filter screen 16; an atomized water droplet collector 20 for collecting non-evaporated atomized water droplets to increase the area of the atomized water droplets, thereby facilitating rapid evaporation of the atomized water droplets and preventing large area of water mist from adhering to the bottom of the ventilation duct, wherein, as shown in fig. 1, the atomized water droplet collector 20 may be disposed below the cooling water spraying device 11 and near the side of the air outlet direction, specifically, may be disposed between the first filter screen 15 and the second filter screen 16; the first humidity sensor 18 is arranged at the air inlet of the air inlet device 13 and used for detecting first humidity at the air inlet of the air inlet device 13; a second humidity sensor 19, as shown in fig. 1, the second humidity sensor 19 being provided on the lower side of the atomized water droplet collector 20 for detecting a second humidity in the ventilation duct; an upper air outlet guide vane 21 arranged at an air outlet of the air outlet device 14 and used for controlling the opening and closing of the air outlet device 14, wherein when the upper air outlet guide vane 21 is opened, the air outlet of the air outlet device 14 is opened, and when the upper air outlet guide vane 21 is closed, the air outlet of the air outlet device 14 is closed; the lower air outlet guide vane 22 of air outlet under the setting air-out device 14 for opening and closing of air outlet under the control air-out device 14, when air-out guide vane 22 opened down, air outlet was opened under the air-out device 14, and when air-out guide vane 22 closed down, air outlet was closed down under the air-out device 14.
Fig. 2 is a flowchart of a control method of a fresh air system according to an embodiment of the present invention, and as shown in fig. 2, the control method of the fresh air system includes:
and S101, periodically acquiring the concentration of the carbon dioxide in the room.
In an embodiment of the present invention, the fresh air system includes: the indoor air outlet device is arranged in the air pipeline, the cooling water spray device is arranged in the air pipeline between the outdoor air inlet device and the indoor air outlet device, the atomized water drop collector is arranged in the air pipeline and is positioned below the cooling water spray device and close to the air outlet direction side, the first humidity sensor is arranged at the air inlet of the air inlet device, and the lower side surface of the atomized water drop collector is provided with the second humidity sensor; the cooling water atomizer is used for atomizing the cooling water of input, and atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, and first humidity transducer is used for detecting the first humidity of air intake installation air intake department, and second humidity transducer is used for detecting the second humidity in the air pipe, and the cooling water is the comdenstion water that the air conditioner produced at the refrigeration in-process, and the temperature is lower promptly, is used for carrying out refrigerated water to the new trend of new trend system. Can set up concentration sensor in the indoor side of new trend system, through the concentration sensor periodic acquisition indoor carbon dioxide's concentration.
And S102, judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value.
In the embodiment of the invention, a concentration threshold value can be preset, the concentration threshold value can be a critical value that the concentration of carbon dioxide is low, and when the concentration of indoor carbon dioxide is lower than the concentration threshold value, the concentration of indoor carbon dioxide is low, and indoor air does not need to be purified and ventilated. After the concentration of the carbon dioxide in the room is acquired in the step S101, the concentration of the carbon dioxide is compared with a concentration threshold, and whether the concentration of the carbon dioxide is less than a preset concentration threshold is determined.
S103, if the second humidity is equal to or larger than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting the gear when the fan is started as a set gear.
In the embodiment of the present invention, a difference humidity may be preset, and a sum of the difference humidity and the first humidity may be a critical value at which mildew occurs in the ventilation duct, and when a second humidity in the ventilation duct is equal to or greater than the sum of the difference humidity and the first humidity, the mildew may occur in the ventilation duct, where the first humidity at the air inlet of the air intake device may be detected and obtained by the first humidity sensor shown in fig. 1, and the second humidity in the ventilation duct may be detected and obtained by the second humidity sensor shown in fig. 2. If the concentration of the carbon dioxide is judged to be less than the preset concentration threshold value in the S102 step, and the second humidity in the ventilation pipeline is detected to be equal to or greater than the sum of the difference humidity and the first humidity, then the indoor air does not need to be purified and ventilated, the ventilation pipeline possibly mildews, the cooling water spraying device is controlled to stop spraying, the fan is started, the gear when the fan is started is set as a set gear, and the mildewing in the ventilation pipeline is prevented, wherein the fan can be started when the fan is started to be in a closed state; or when the fan is started, the fan is kept in a starting state; the spray stopping can be that when the current cooling water spray device is in a spray state, the spray is stopped; the non-spraying state may be maintained when the cooling water spraying apparatus is currently in the non-spraying state. As a feasible implementation manner, the set gear can be specifically the lowest gear of the fan, so that the power consumption can be reduced while the ventilation pipeline is prevented from mildewing.
And S104, if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide.
In the embodiment of the present invention, if it is determined in step S102 that the concentration of carbon dioxide is equal to or greater than the preset concentration threshold, it indicates that indoor air needs to be purified and ventilated, the fan is turned on, and the gear when the fan is turned on is determined. As a possible implementation manner, a mapping relationship between the concentration of the carbon dioxide and the gear when the fan is turned on may be established in advance, and when it is determined in step S102 that the concentration of the carbon dioxide is equal to or greater than the preset concentration threshold, the mapping relationship is queried, so that the gear when the fan is turned on may be determined.
And S105, acquiring a cooling load required by fresh air cooling of the fresh air system according to the gear when the fan is started.
In the embodiment of the invention, when indoor air needs to be purified and ventilated, namely the concentration of carbon dioxide is judged to be equal to or greater than the preset concentration threshold in the step S102, the cooling load required by fresh air cooling of the fresh air system can be obtained by calculation according to the outdoor environment temperature and the indoor environment temperature.
And S106, acquiring the temperature of the cooling water.
In the embodiment of the present invention, a temperature sensor may be provided in the cooling water pretreatment device or the cooling water spraying device shown in fig. 1, and the temperature of the cooling water may be obtained by the temperature sensor. As a feasible implementation manner, the cooling water can be specifically condensed water generated in the air conditioner in the refrigeration process, the sensible heat and the latent heat of evaporation of the condensed water are utilized to efficiently recycle the cold energy of the condensed water of the air conditioner, and the pollution of the condensed water to the environment can be reduced.
And S107, calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water.
In the embodiment of the present invention, after the cold load and the temperature of the cooling water are obtained, the spraying frequency of the cooling water spraying apparatus is calculated according to the cold load and the temperature of the cooling water, and specifically, the spraying frequency can be obtained by using a formula: spray frequency is the cooling power of the cooling load/single spray.
And S108, controlling the cooling water spraying device according to the spraying frequency.
In the embodiment of the present invention, the cooling water spraying device is controlled to spray according to the spraying frequency obtained in step S107, thereby cooling the air in the ventilation duct.
Further, the control method of the fresh air system further comprises the following steps: if the second humidity is smaller than the sum, the cooling water spraying device is controlled to stop spraying, and the fan is not started.
In the embodiment of the present invention, if it is determined in step S102 that the concentration of the carbon dioxide is less than the preset concentration threshold, and it is detected that the second humidity in the ventilation duct is less than the sum of the difference humidity and the first humidity, it indicates that the indoor air does not need to be purified and ventilated and the ventilation duct does not mildew, and the cooling water spraying device is controlled to stop spraying without turning on the fan. Wherein, the fan is closed when the fan is in the open state without opening the fan; or when the fan is closed, the fan is kept in a closed state; the spray stopping can be that when the current cooling water spray device is in a spray state, the spray is stopped; the non-spraying state may be maintained when the cooling water spraying apparatus is currently in the non-spraying state.
According to the control method of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area of the atomized water droplets is increased, the atomized water droplets are favorably and quickly evaporated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
Fig. 3 is a flowchart of a control method of a fresh air system according to another embodiment of the present invention, and as shown in fig. 3, after step S108 in the embodiment shown in fig. 2, the control method of the fresh air system further includes:
s201, judging whether the first humidity is smaller than a preset humidity threshold value.
In the embodiment of the invention, a humidity threshold value can be preset, the humidity threshold value can be a critical value of atomized water drops at the air outlet device, when the first humidity at the air inlet of the air inlet device is equal to or greater than the humidity threshold value, the atomized water drops may appear at the air outlet device, and the atomized water drops may drip at the lower air outlet of the air outlet device, so that user experience is influenced. The first humidity at the air inlet of the air inlet device can be detected and obtained through the first humidity sensor shown in fig. 1, and compared with a humidity threshold value, whether the first humidity is smaller than a preset humidity threshold value or not is judged.
S202, if yes, the upper air outlet guide vane and the lower air outlet guide vane are controlled to be opened.
In the embodiment of the present invention, if it is determined in step S201 that the first humidity is less than the preset humidity threshold, the probability of atomized water droplets appearing at the air outlet device is low, the upper air outlet guide vane and the lower air outlet guide vane are controlled to be opened, and fresh air is supplied to the room through the upper air outlet and the lower air outlet of the air outlet device.
S203, if not, controlling the upper air outlet guide vane to be opened, and controlling the lower air outlet guide vane to be closed.
In the embodiment of the present invention, if it is determined in step S201 that the first humidity is equal to or greater than the preset humidity threshold, the atomized water droplets may appear at the air outlet device, and the atomized water droplets may drip at the lower air outlet of the air outlet device, which affects user experience. The air-out stator is opened in the control, and the air-out stator is closed under the control, prevents the atomizing water droplet and drips, promotes user experience.
According to the control method of the fresh air system provided by the embodiment of the invention, the opening and closing of the upper air outlet guide vane and the lower air outlet guide vane are controlled according to the first humidity and the preset humidity threshold value, so that the possibility of dropping of atomized water drops can be reduced to the greatest extent, and the user experience is improved.
Fig. 4 is a flowchart of a control method of a fresh air system according to another embodiment of the present invention, and as shown in fig. 4, on the basis of the embodiment shown in fig. 2, the step S104 of "determining a gear when the fan is turned on according to a concentration of carbon dioxide" may specifically include:
s301, determining a concentration level or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide.
In the embodiment of the invention, the carbon dioxide concentration grade or the concentration interval can be divided in advance, after the indoor carbon dioxide concentration is obtained, the carbon dioxide concentration is compared with the carbon dioxide concentration grade or the concentration interval which is divided in advance, the concentration grade corresponding to the carbon dioxide concentration is the concentration grade, or the interval in which the carbon dioxide concentration falls is the concentration interval corresponding to the carbon dioxide concentration. For example, the carbon dioxide concentration level may be classified in advance into a low concentration level, a medium-high concentration level, and a high concentration level, or the carbon dioxide concentration may be classified in advance into a low concentration section, a medium-high concentration section, and a high concentration section.
S301, determining the gear when the fan is started according to the concentration level or the concentration interval.
In the embodiment of the invention, after the concentration level or the concentration interval is obtained in the step S301, the gear when the fan is turned on is determined according to the concentration level or the concentration interval. As a possible implementation manner, the higher the concentration of the carbon dioxide corresponding to the concentration level or the concentration interval is, the larger the gear when the fan is turned on is.
According to the control method of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; and determining the gear when the fan is started according to the concentration of the carbon dioxide. The gear when the fan is started is determined according to the concentration of indoor carbon dioxide, the gear when the fresh air system is started can be accurately controlled, and meanwhile, the method has the advantages of being simple to implement and low in cost.
Fig. 5 is a flowchart of a control method of a fresh air system according to another embodiment of the present invention, and as shown in fig. 5, based on the embodiment shown in fig. 2, the step S105 of "acquiring a cooling load required by fresh air cooling of the fresh air system" may specifically include:
s401, obtaining the outdoor environment temperature and the indoor environment temperature.
In the embodiment of the invention, the outdoor side and the indoor side of the fresh air system can be provided with the temperature sensors, and the outdoor environment temperature and the indoor environment temperature can be obtained through the temperature sensors.
And S402, calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
In the embodiment of the invention, after the outdoor environment temperature and the indoor environment temperature are obtained in the step S401, the cold load is calculated according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started. Specifically, the cooling load can be calculated by using a formula: q ═ cp · (ρ)Air (a)V) · (T4-T1), wherein q is the cooling load; v is the fresh air volume flow corresponding to the gear of the fan; t4 is outdoor ambient temperature; t1 is the indoor ambient temperature; cp is the constant pressure specific heat capacity of air; rhoAir (a)Is the air density.
According to the control method of the fresh air system provided by the embodiment of the invention, the cooling load required by fresh air cooling of the fresh air system can be accurately and effectively calculated according to the outdoor environment temperature and the indoor environment temperature.
The following describes the control method of the fresh air system in an embodiment of the present invention in detail by taking the concentration level (interval) as a low concentration level (interval), a medium concentration level (interval), and a high concentration level (interval) as examples, and fig. 6 is a specific flowchart of the control method of the fresh air system according to an embodiment of the present invention, and as shown in fig. 6, the control method of the fresh air system may specifically include:
s501, periodically acquiring the concentration n of indoor carbon dioxide.
S502, judging whether n is less than a concentration threshold value.
If yes, go to step S503; if not, the process proceeds to step S506.
And S503, judging whether the second humidity is equal to or larger than the sum of the first humidity and the preset difference humidity.
If yes, go to step S504; if not, the process proceeds to step S505.
S504, controlling the cooling water spraying device to stop spraying, starting the fan, setting the gear when the fan is started as a set gear, and returning to the step S503.
And S505, controlling the cooling water spraying device to stop spraying without starting a fan.
And S506, determining a concentration level (section) corresponding to the concentration n of the carbon dioxide according to the concentration n of the carbon dioxide.
When the density level (section) corresponding to n is a low density level (section), the process proceeds to step S507;
when the density level (section) corresponding to n is a medium density level (section), the process proceeds to step S508;
when the density level (section) corresponding to n is a high density level (section), the process proceeds to step S509.
And S507, starting the fan, controlling the gear of the fan to be 1, and entering the step S510.
And S508, starting the fan, controlling the fan to be in the gear 2, and entering the step S510.
S509, the fan is started, the gear of the fan is controlled to be gear 3, and the step S510 is entered.
In the embodiment of the invention, the gears from the gear 1 to the gear 3 of the fan are gradually increased.
And S510, acquiring the outdoor environment temperature and the indoor environment temperature.
And S511, calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
S512, acquiring the temperature of the cooling water.
S513, calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water.
And S514, controlling the cooling water spraying device according to the spraying frequency.
And S515, judging whether the first humidity is smaller than a preset humidity threshold value.
If yes, go to step S516; if not, the process proceeds to step S517.
And S516, controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened.
And S517, controlling the upper air outlet guide vane to be opened and controlling the lower air outlet guide vane to be closed.
According to the control method of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area of the atomized water droplets is increased, the atomized water droplets are favorably and quickly evaporated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
Fig. 7 is a structural diagram of a fresh air system control device according to an embodiment of the present invention, the fresh air system including: the indoor air outlet device is arranged in the air pipeline, the cooling water spray device is arranged in the air pipeline between the outdoor air inlet device and the indoor air outlet device, the atomized water drop collector is arranged in the air pipeline and is positioned below the cooling water spray device and close to the air outlet direction side, the first humidity sensor is arranged at the air inlet of the air inlet device, and the lower side surface of the atomized water drop collector is provided with the second humidity sensor; cooling water atomizer is used for atomizing the cooling water of input, and atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, and first humidity transducer is used for detecting the first humidity of air intake installation air intake department, and second humidity transducer is used for detecting the second humidity in air pipe, and the cooling water is the comdenstion water that the air conditioner produced at the refrigeration in-process, as shown in figure 7, this new trend system control device includes:
a first obtaining module 31, configured to periodically obtain a concentration of indoor carbon dioxide;
the first judgment module 32 is configured to judge whether the concentration of the carbon dioxide is smaller than a preset concentration threshold;
the starting setting module 33 is configured to start the fan and set a gear when the fan is started as a set gear if the second humidity is equal to or greater than a sum of the first humidity and a preset difference humidity;
the starting determining module 34 is used for controlling the cooling water spraying device to stop spraying if the carbon dioxide is not sprayed, starting the fan and determining the gear when the fan is started according to the concentration of the carbon dioxide;
the second obtaining module 35 is configured to obtain a cooling load required by fresh air cooling of the fresh air system according to a gear when the fan is turned on;
a third obtaining module 36, configured to obtain a temperature of the cooling water;
a calculating module 37, configured to calculate a spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water;
a first control module 38 for controlling the cooling water spraying device in dependence on the spraying frequency.
It should be noted that the explanation of the embodiment of the fresh air system control method is also applicable to the fresh air system control device of the embodiment, and is not repeated here.
According to the control device of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area of the atomized water droplets is increased, the atomized water droplets are favorably and quickly evaporated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
Further, in a possible implementation manner of the embodiment of the present invention, the set gear is a lowest gear of the fan.
Further, in a possible implementation manner of the embodiment of the present invention, the start setting module 33 is further configured to: if the second humidity is smaller than the sum, the cooling water spraying device is controlled to stop spraying, and the fan is not started.
Further, in a possible implementation manner of the embodiment of the present invention, the control device further includes: the second judgment module is used for judging whether the first humidity is smaller than a preset humidity threshold value; the second control module is used for controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened if the upper air outlet guide vane and the lower air outlet guide vane are opened; if not, the upper air outlet guide vane is controlled to be opened, and the lower air outlet guide vane is controlled to be closed.
Further, in a possible implementation manner of the embodiment of the present invention, the cooling water is condensed water generated in a cooling process of the air conditioner.
Further, in a possible implementation manner of the embodiment of the present invention, the start determining module 34 is specifically configured to: determining a concentration grade or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide; and determining the gear when the fan is started according to the concentration grade or the concentration interval.
Further, in a possible implementation manner of the embodiment of the present invention, the start determining module 34 is specifically configured to: the higher the concentration of the carbon dioxide corresponding to the concentration grade or the concentration interval is, the larger the gear when the fan is started is.
Further, in a possible implementation manner of the embodiment of the present invention, the second obtaining module 35 is specifically configured to: acquiring an outdoor environment temperature and an indoor environment temperature; and calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
It should be noted that the explanation of the embodiment of the fresh air system control method is also applicable to the fresh air system control device of the embodiment, and is not repeated here.
According to the control device of the fresh air system provided by the embodiment of the invention, the concentration of indoor carbon dioxide is periodically obtained; judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not; if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear; if not, starting the fan, and determining the gear when the fan is started according to the concentration of the carbon dioxide; acquiring a cold load required by fresh air cooling of a fresh air system according to a gear when a fan is started; acquiring the temperature of cooling water; calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water; the cooling water spraying device is controlled according to the spraying frequency. The atomized water droplet collector is adopted to collect the non-evaporated atomized water droplets, so that the evaporation area of the atomized water droplets is increased, the atomized water droplets are favorably and quickly evaporated, and the phenomenon that a large amount of water mist is attached to the bottom of the ventilation pipeline can be avoided; determining whether to start the fan and setting a gear when the fan is started according to the concentration of indoor carbon dioxide, first humidity at an air inlet of the air inlet device, second humidity in the ventilation pipeline and preset difference humidity; and calculating the spraying frequency of the cooling water spraying device according to the cooling load required by fresh air cooling and the temperature of the cooling water, and controlling the cooling water spraying device to spray according to the spraying frequency. The opening and the gear position of the fresh air system can be accurately controlled, and when the indoor carbon dioxide concentration is low but the humidity in the ventilation pipeline is high, the fan is started to supply air, so that the ventilation pipeline can be prevented from mildewing; the cooling water spraying mode is adopted, so that the fresh air supply temperature can be accurately reduced; meanwhile, the method also has the advantages of simple implementation and low cost.
In order to implement the above embodiment, an embodiment of the present invention further provides a fresh air system 40, as shown in fig. 8, including: the control device 41 of the fresh air system shown in the above embodiment.
In order to implement the above embodiment, the embodiment of the present invention further provides an electronic device 50, as shown in fig. 9, which includes a memory 51 and a processor 52. The memory 51 stores a computer program that can be executed on the processor 52, and the processor 52 executes the program to implement the control method of the fresh air system as described in the above embodiments.
In order to implement the foregoing embodiments, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the control method of the fresh air system as described in the foregoing embodiments is implemented.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (17)
1. A control method of a fresh air system is characterized in that the fresh air system comprises: the air conditioner comprises a cooling water spray device arranged in an air duct between an outdoor air inlet device and an indoor air outlet device, an atomized water drop collector arranged below the cooling water spray device and close to the air outlet direction side in the air duct, and a first humidity sensor arranged at an air inlet of the air inlet device, wherein a second humidity sensor is arranged on the lower side surface of the atomized water drop collector; the cooling water atomizer is used for atomizing the cooling water of input, atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, first humidity transducer is used for detecting the first humidity of air inlet device air intake department, second humidity transducer is used for detecting second humidity in the air pipe, the cooling water is the comdenstion water that the air conditioner produced at the refrigeration in-process, control method includes:
periodically acquiring the concentration of indoor carbon dioxide;
judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not;
if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity, controlling the cooling water spraying device to stop spraying, starting the fan, and setting a gear when the fan is started as a set gear;
if not, starting the fan, and determining a gear when the fan is started according to the concentration of the carbon dioxide;
acquiring a cold load required by fresh air cooling of the fresh air system according to the gear when the fan is started;
acquiring the temperature of the cooling water;
calculating the spraying frequency of the cooling water spraying device according to the cooling load and the temperature of the cooling water;
controlling the cooling water spraying device according to the spraying frequency.
2. The control method according to claim 1, wherein the set gear is a lowest gear of the fan.
3. The control method according to claim 1, characterized by further comprising:
if the second humidity is smaller than the sum, controlling the cooling water spraying device to stop spraying, and not starting the fan.
4. The control method according to claim 1, wherein an upper air outlet guide vane is arranged at an upper air outlet of the air outlet device, and a lower air outlet guide vane is arranged at a lower air outlet of the air outlet device; after the controlling the cooling water spraying apparatus, the controlling method further includes:
judging whether the first humidity is smaller than a preset humidity threshold value or not;
if so, controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened;
if not, the upper air outlet guide vane is controlled to be opened, and the lower air outlet guide vane is controlled to be closed.
5. The control method according to claim 1, wherein the determining the gear at which the fan is turned on according to the concentration of the carbon dioxide comprises:
determining a concentration grade or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide;
and determining the gear when the fan is started according to the concentration grade or the concentration interval.
6. The control method according to claim 5, wherein the determining the gear when the fan is turned on according to the concentration level or the concentration interval comprises:
the higher the concentration of the carbon dioxide corresponding to the concentration grade or the concentration interval is, the larger the gear when the fan is started is.
7. The control method according to claim 1, wherein the obtaining of the cooling load required by the fresh air cooling of the fresh air system according to the gear when the fan is turned on comprises:
acquiring an outdoor environment temperature and an indoor environment temperature;
and calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
8. The utility model provides a controlling means of new trend system which characterized in that, new trend system includes: the air conditioner comprises a cooling water spray device arranged in an air duct between an outdoor air inlet device and an indoor air outlet device, an atomized water drop collector arranged below the cooling water spray device and close to the air outlet direction side in the air duct, and a first humidity sensor arranged at an air inlet of the air inlet device, wherein a second humidity sensor is arranged on the lower side surface of the atomized water drop collector; cooling water atomizer is used for atomizing the cooling water of input, atomizing water droplet collector is used for collecting the atomizing water droplet of non-evaporation, first humidity transducer is used for detecting the first humidity of air inlet device air intake department, second humidity transducer is used for detecting second humidity in the air pipe, the comdenstion water that the cooling water produced for the air conditioner in the refrigeration process, controlling means includes:
the first acquisition module is used for periodically acquiring the concentration of indoor carbon dioxide;
the first judgment module is used for judging whether the concentration of the carbon dioxide is smaller than a preset concentration threshold value or not;
the starting setting module is used for controlling the cooling water spraying device to stop spraying, starting the fan and setting a gear when the fan is started as a set gear if the second humidity is equal to or greater than the sum of the first humidity and the preset difference humidity;
the starting determining module is used for starting the fan if the carbon dioxide is not in the preset range, and determining the gear when the fan is started according to the concentration of the carbon dioxide;
the second acquisition module is used for acquiring the cold load required by the fresh air cooling of the fresh air system according to the gear when the fan is started;
the third acquisition module is used for acquiring the temperature of the cooling water;
the calculation module is used for calculating the spraying frequency of the cooling water spraying device according to the cold load and the temperature of the cooling water;
and the first control module is used for controlling the cooling water spraying device according to the spraying frequency.
9. The control device according to claim 8, wherein the set gear is a lowest gear of the fan.
10. The control device of claim 8, wherein the activation setting module is further configured to:
if the second humidity is smaller than the sum, controlling the cooling water spraying device to stop spraying, and not starting the fan.
11. The control device of claim 8, wherein an upper air outlet guide vane is arranged at an upper air outlet of the air outlet device, and a lower air outlet guide vane is arranged at a lower air outlet of the air outlet device;
the control device further includes:
the second judgment module is used for judging whether the first humidity is smaller than a preset humidity threshold value;
the second control module is used for controlling the upper air outlet guide vane and the lower air outlet guide vane to be opened if the upper air outlet guide vane and the lower air outlet guide vane are opened; if not, the upper air outlet guide vane is controlled to be opened, and the lower air outlet guide vane is controlled to be closed.
12. The control device according to claim 8, wherein the activation determination module is specifically configured to:
determining a concentration grade or a concentration interval corresponding to the concentration of the carbon dioxide according to the concentration of the carbon dioxide;
and determining the gear when the fan is started according to the concentration grade or the concentration interval.
13. The control device according to claim 12, wherein the activation determination module is specifically configured to:
the higher the concentration of the carbon dioxide corresponding to the concentration grade or the concentration interval is, the larger the gear when the fan is started is.
14. The control device according to claim 8, wherein the second obtaining module is specifically configured to:
acquiring an outdoor environment temperature and an indoor environment temperature;
and calculating to obtain the cold load according to the outdoor environment temperature, the indoor environment temperature and the gear when the fan is started.
15. A fresh air system, comprising: a control device for a fresh air system as claimed in any one of claims 8 to 14.
16. An electronic device, comprising: a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the control method of the fresh air system as claimed in any one of claims 1 to 7 when executing the program.
17. A non-transitory computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements a control method for a fresh air system according to any of claims 1 to 7.
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| CN106440118B (en) * | 2016-11-03 | 2022-01-11 | 飒爽智能技术（上海）有限公司 | Dehumidification oxygen purification system |
| CN206583030U (en) * | 2017-01-23 | 2017-10-24 | 北京威斯汀豪斯科技有限公司 | A kind of full thermal purification VMC |
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