CN110762803A - Control method and system of fresh air dehumidifier - Google Patents

Control method and system of fresh air dehumidifier Download PDF

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Publication number
CN110762803A
CN110762803A CN201910986982.9A CN201910986982A CN110762803A CN 110762803 A CN110762803 A CN 110762803A CN 201910986982 A CN201910986982 A CN 201910986982A CN 110762803 A CN110762803 A CN 110762803A
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China
Prior art keywords
wind speed
value
mode
fresh air
preset
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Pending
Application number
CN201910986982.9A
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Chinese (zh)
Inventor
蒙修仁
冯建源
肖威
陈尊荣
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Guangzhou Fendi Huanyou Technology Co Ltd
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Guangzhou Fendi Huanyou Technology Co Ltd
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Priority to CN201910986982.9A priority Critical patent/CN110762803A/en
Publication of CN110762803A publication Critical patent/CN110762803A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • F24F11/66Sleep mode
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a control method and a control system of a fresh air dehumidifier, wherein the method comprises the steps of starting a sleep function according to a received sleep function starting instruction in the operation process of any mode; after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value. The invention can realize the intelligent control of the sleep function of the fresh air dehumidifier, realize the automatic adjustment of the wind speed in the sleep mode and is beneficial to improving the intelligence of products and the user experience.

Description

Control method and system of fresh air dehumidifier
Technical Field
The invention relates to the technical field of fresh air dehumidifiers, in particular to a method and a system for controlling a sleep function of a fresh air dehumidifier.
Background
The fresh air dehumidifier is an air treatment device which can dehumidify, purify and ventilate air. Along with the deterioration of the environment and the reduction of the air quality, people have higher and higher requirements on comfortable living environment, and the performance of the fresh air dehumidifier is gradually improved.
In the process of researching the prior art, the inventor of the invention finds that most of fresh air dehumidifiers do not have a sleep control function, even if the fresh air dehumidifiers have the sleep control function, the control logic is simple and stiff, and after the sleep function of the fresh air dehumidifiers is started, the wind speed of a fan is fixed at a low gear wind speed to reduce noise caused by high wind speed required by mode switching, but because indoor CO is used for reducing the noise caused by high wind speed required by mode switching2The concentration can continuously rise along with the increase of the sleeping time, if the wind speed is always at a low wind speed and cannot be adjusted, the oxygen content of the indoor air is difficult to ensure, and the indoor air quality and the comfort level of a user cannot be ensured.
Disclosure of Invention
The invention provides a control method and a control system of a fresh air dehumidifier, which are used for solving the technical problem that the sleep function of the existing fresh air dehumidifier is simple and not intelligent.
In order to solve the technical problem, an embodiment of the present invention provides a control method for a fresh air dehumidifier, which at least includes the following steps:
starting a sleep function according to a received sleep function starting instruction in the operation process of any mode;
after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
As a preferred scheme, after the sleep function is started, the wind speed of the fan is adjusted to be matched with the CO detected in real time according to the preset wind speed adjusting and matching relation2The wind speed value corresponding to the concentration value is specifically as follows:
after the sleep function is started, the real-time detection is carried outMeasured CO2Concentration value of first CO2A concentration value;
determining the first CO according to the preset wind speed regulation matching relation2A first wind speed value corresponding to the concentration value is sent to a fan, and a first instruction for adjusting the wind speed to the first wind speed value is sent to the fan;
after the wind speed of the fan reaches the first wind speed value, the CO detected in real time2Concentration value of the second CO at each time point2A concentration value;
determining the second CO according to the preset wind speed regulation matching relation2And a second wind speed value corresponding to the concentration value, and sending a second instruction for adjusting the wind speed to the second wind speed value to the fan.
Preferably, the method further comprises:
presetting that the wind speed value does not exceed a preset wind speed adjusting range after the sleep function is started;
the minimum value of the wind speed adjusting range is a first low-gear wind speed value, and the maximum value of the wind speed adjusting range is a second low-gear wind speed value.
As a preferred scheme, the preset wind speed adjustment matching relationship is as follows:
within the wind speed adjusting range, the wind speed value and the corresponding real-time detected CO2The concentration values are in direct proportion.
The invention also provides a control method of the fresh air dehumidifier, which comprises the following steps:
comparing the current indoor humidity value acquired in real time with a target set value to obtain a comparison result;
when an automatic mode operation starting instruction is received, starting a working mode corresponding to the comparison result according to a preset matching condition;
before receiving an automatic mode operation termination instruction, switching and operating a working mode corresponding to the comparison result according to the preset matching condition; the working mode is one of at least three modes, and the mode is a single outdoor fresh air ventilation mode, an outdoor fresh air supplement dehumidification mode or an indoor circulating air dehumidification mode;
when receiving an efficient mode operation starting instruction, operating the indoor circulating air dehumidification mode;
and when the comparison result meets the preset high-efficiency mode dehumidification ending condition, exiting the indoor circulating air dehumidification mode and starting the automatic mode.
Preferably, the method further comprises:
when a high-efficiency mode operation starting instruction is received, judging whether the current indoor humidity value detected within continuous first preset time is larger than the target set value or not;
if so, closing the fresh air input and operating the indoor circulating air dehumidification mode;
if not, exiting the high-efficiency mode and starting the automatic mode.
Preferably, the method further comprises:
when the air conditioner operates in the high-efficiency mode, when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within continuous second preset time, the air conditioner exits the high-efficiency mode and starts the automatic mode, and the fresh air valve is opened and the single outdoor fresh air ventilation mode is operated.
As a preferred scheme, the preset matching conditions are as follows:
when the current indoor humidity value is smaller than the target set value, the independent outdoor fresh air ventilation mode is operated;
and when the current indoor humidity value is larger than the target set value, operating the outdoor fresh air supplement dehumidification mode.
Preferably, the method further comprises:
when the outdoor fresh air supplement dehumidification mode is operated,
when the current indoor humidity value reaches a preset amplitude value after continuous third preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or the like, or, alternatively,
when the current indoor humidity value is detected to be not up to the target set value after the fourth continuous preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within the continuous fifth preset time, switching the outdoor supplementary fresh air dehumidification mode to the single outdoor fresh air ventilation mode.
The invention also provides a control system of the fresh air dehumidifier, which comprises a controller, wherein the controller is used for:
starting a sleep function according to a received sleep function starting instruction in the operation process of any mode;
after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
Preferably, the controller is further configured to:
after sleep function is started, the real-time detected CO2Concentration value of first CO2A concentration value;
determining the first CO according to the preset wind speed regulation matching relation2A first wind speed value corresponding to the concentration value is sent to a fan, and a first instruction for adjusting the wind speed to the first wind speed value is sent to the fan;
after the wind speed of the fan reaches the first wind speed value, the CO detected in real time2Concentration value of the second CO at each time point2A concentration value;
determining the second CO according to the preset wind speed regulation matching relation2And a second wind speed value corresponding to the concentration value, and sending a second instruction for adjusting the wind speed to the second wind speed value to the fan.
Preferably, the controller is further configured to:
presetting that the wind speed value does not exceed a preset wind speed adjusting range after the sleep function is started;
the minimum value of the wind speed adjusting range is a first low-gear wind speed value, and the maximum value of the wind speed adjusting range is a second low-gear wind speed value.
As a preferred scheme, the preset wind speed adjustment matching relationship is as follows:
within the wind speed adjusting range, the wind speed value and the corresponding real-time detected CO2The concentration values are in direct proportion.
The controller is further configured to:
comparing the current indoor humidity value acquired in real time with a target set value to obtain a comparison result;
when an automatic mode operation starting instruction is received, starting a working mode corresponding to the comparison result according to a preset matching condition;
before receiving an automatic mode operation termination instruction, switching and operating a working mode corresponding to the comparison result according to the preset matching condition; the working mode is one of at least three modes, and the mode is a single outdoor fresh air ventilation mode, an outdoor fresh air supplement dehumidification mode or an indoor circulating air dehumidification mode;
when receiving an efficient mode operation starting instruction, operating the indoor circulating air dehumidification mode;
and when the comparison result meets the preset high-efficiency mode dehumidification ending condition, exiting the indoor circulating air dehumidification mode and starting the automatic mode.
Preferably, the controller is further configured to:
when a high-efficiency mode operation starting instruction is received, judging whether the current indoor humidity value detected within continuous first preset time is larger than the target set value or not;
if so, closing the fresh air input and operating the indoor circulating air dehumidification mode;
if not, exiting the high-efficiency mode and starting the automatic mode.
Preferably, the controller is further configured to:
when the air conditioner operates in the high-efficiency mode, when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within continuous second preset time, the air conditioner exits the high-efficiency mode and starts the automatic mode, and the fresh air valve is opened and the single outdoor fresh air ventilation mode is operated.
As a preferred scheme, the preset matching conditions are as follows:
when the current indoor humidity value is smaller than the target set value, the independent outdoor fresh air ventilation mode is operated;
and when the current indoor humidity value is larger than the target set value, operating the outdoor fresh air supplement dehumidification mode.
Preferably, the controller is further configured to:
when the outdoor fresh air supplement dehumidification mode is operated,
when the current indoor humidity value reaches a preset amplitude value after continuous third preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or the like, or, alternatively,
when the current indoor humidity value is detected to be not up to the target set value after the fourth continuous preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within the continuous fifth preset time, switching the outdoor supplementary fresh air dehumidification mode to the single outdoor fresh air ventilation mode.
Compared with the prior art, the embodiment of the invention has the advantages that,
according to the invention, the design sleep function is added in various operating modes of the fresh air dehumidifier, so that the wind speed of the fresh air dehumidifier in any mode can be determined according to CO2The concentration can be automatically adjusted within a set gear wind speed threshold range, so that the wind speed adjustment process is smoothly carried out without the condition of sudden change of wind speed, and indoor CO can be effectively controlled2Concentration, ensuring oxygen content of indoor air and improving indoor air qualityMeanwhile, the phenomenon that too high wind speed generates too large noise is avoided, the comfort level of the user in sleeping is high, and the user experience is good.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of steps of a control method of a fresh air dehumidifier in an embodiment of the present invention;
FIG. 2 is a control schematic diagram of wind speed regulation of a wind turbine in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
Referring to fig. 1, a preferred embodiment of the present invention provides a control method for a fresh air dehumidifier, which at least includes the following steps:
s11, starting the sleep function according to the received sleep function starting instruction in the operation process of any mode;
s12, after the sleep function is started, adjusting the wind speed of the fan to be in real-time detection with the CO according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
In this embodiment, by adding a sleep function in various operating modes of the fresh air dehumidifier, the wind speed of the fresh air dehumidifier in any mode can be determined according to CO2The concentration can be automatically adjusted within a set gear wind speed threshold range, so that the wind speed adjustment process is smoothly carried out without the condition of sudden change of wind speed, and indoor CO can be effectively controlled2Concentration guarantees the indoor air oxygen content, improves the indoor air quality, avoids the too high too big noise that produces of wind speed simultaneously, and comfort level when the user sleeps is high, and user experience is good.
Further, in step S12, after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjustment matching relationship2The wind speed value corresponding to the concentration value is specifically as follows:
after the start of the sleep function, the sleep function is activated,
the real-time detected CO2Concentration value of first CO2A concentration value;
s121, determining the first CO according to the preset wind speed regulation matching relation2The wind speed value corresponding to the concentration value is a first wind speed value, and a first instruction for adjusting the wind speed to the first wind speed value is sent to a fan;
s122, the real-time detected CO2The concentration value is at each time point after the wind speed of the fan reaches the first wind speed valueSecond CO of2A concentration value;
determining the second CO according to the preset wind speed regulation matching relation2And the wind speed value corresponding to the concentration value is a second wind speed value, and a second instruction for adjusting the wind speed to the second wind speed value is sent to the fan.
In this embodiment, after the sleep function is activated, the unit CO operates in either the automatic mode or the efficient mode2Concentration detection sensor for detecting current indoor CO2Concentration value according to the current CO in the room2Determining the corresponding wind speed (first wind speed value) of the fan according to the concentration value, firstly adjusting the wind speed of the fan to the first wind speed value, then adjusting the matching relation of the fan according to the preset wind speed in the figure 2, and enabling the wind speed of the fan to be according to CO2And carrying out stepless regulation on the wind speed by using the concentration relation curve.
Wherein, in the process of stepless regulation of the wind speed, the wind speed of the fan can be regulated according to CO2The concentration can be automatically adjusted between low-medium-low gear wind speed, but the concentration cannot be adjusted to an over-high gear to avoid generating excessive noise, so that the wind speed adjusting process is smoothly carried out, the condition of sudden change of the wind speed cannot occur, and meanwhile, indoor CO can be effectively controlled2Concentration, the air comfort level when guaranteeing indoor air oxygen content and user's sleep.
Therefore, as a preferred solution, the method should further comprise:
s10, presetting that the wind speed value does not exceed a preset wind speed adjusting range after the sleep function is started;
the minimum value of the wind speed adjusting range is a first low gear wind speed value (V1 rotating speed), and the maximum value is a second low gear wind speed value (V2 rotating speed).
Referring to fig. 2, in the embodiment, the preset wind speed adjusting range is a low-medium-low gear wind speed, which is to prevent the wind speed of the fan from being based on CO after the sleep function is started2The concentration can be automatically adjusted between low-medium-low gear wind speed, but cannot be adjusted to an over-high gear, so that excessive noise is avoided, the wind speed adjusting process is smoothly carried out, the condition of sudden change of the wind speed cannot occur, and meanwhile, effective control is realizedCO in system room2Concentration, the air comfort level when guaranteeing indoor air oxygen content and user's sleep.
With continued reference to fig. 2, for further optimization, the preset matching relationship of wind speed adjustment is:
within the wind speed adjusting range, the wind speed value and the corresponding real-time detected CO2The concentration value is in direct proportion, so that the wind speed of the fan is along with CO2Increase in concentration value, or with CO2The decrease in the concentration value decreases.
The invention also provides a control method of the fresh air dehumidifier, which comprises the following steps:
s21, comparing the current indoor humidity value acquired in real time with a target set value to obtain a comparison result;
in this embodiment, the comparison result between the current indoor humidity value and the target setting value is used as a reference condition for mode operation and mode switching, and the product mode of the fresh air dehumidifier is divided into an automatic mode and a high-efficiency mode, the automatic mode can realize automatic and flexible switching between the modes of the fresh air dehumidifier according to different conditions, and the high-efficiency mode can realize a quick emergency dehumidification demand of a user, so that the user can manually select the automatic mode or the high-efficiency mode according to the demand, and the unit performs switching between the modes according to related conditions after operating, and the specific control mode is as follows:
when the automatic mode is selected, the steps are as follows:
s22, when receiving an automatic mode operation starting instruction, starting a working mode corresponding to the comparison result according to a preset matching condition;
s23, before receiving an automatic mode operation termination instruction, switching and operating the working mode corresponding to the comparison result according to the preset matching condition; the working mode is one of at least three modes, and the mode is a single outdoor fresh air ventilation mode, an outdoor fresh air supplement dehumidification mode or an indoor circulating air dehumidification mode;
s24, when receiving the high-efficiency mode operation starting instruction, operating the indoor circulating air dehumidification mode;
and S25, when the comparison result meets the preset high-efficiency mode dehumidification end condition, exiting the indoor circulating air dehumidification mode and starting the automatic mode.
The sensor used by the fresh air dehumidifier can detect 5 state factors (CO)2,PM2.5TVOC, temperature, humidity). After the high-efficiency mode or the automatic mode is started, the unit controller compares the current indoor humidity value detected by the data sensor with a target set value, and determines whether the dehumidification function needs to be started according to the comparison result. The mode operation condition of the fresh air dehumidifier is specifically described as follows:
1. starting a sleep function in an efficient mode:
after the sleep function is started, the unit CO2Concentration detection sensor for detecting current indoor CO2Concentration value according to the current CO in the room2Determining the corresponding wind speed (first wind speed value) of the fan according to the concentration value, firstly adjusting the wind speed of the fan to the first wind speed value, then adjusting the matching relation of the fan according to the preset wind speed in the figure 2, and enabling the wind speed of the fan to be according to CO2And carrying out stepless regulation on the wind speed by using the concentration relation curve. In the process of stepless regulation of the wind speed, the wind speed of the fan can be regulated according to CO2The concentration can be automatically adjusted between low-medium-low gear wind speed, but the concentration cannot be adjusted to an over-high gear to avoid generating excessive noise, so that the wind speed adjusting process is smoothly carried out, the condition of sudden change of the wind speed cannot occur, and meanwhile, indoor CO can be effectively controlled2Concentration, the air comfort level when guaranteeing indoor air oxygen content and user's sleep.
At this time, the unit performs dehumidification regulation in the efficient mode at the same time, and then the method further includes:
s241, when receiving a high-efficiency mode operation starting instruction, judging whether the current indoor humidity value is detected to be larger than the target set value within a continuous first preset time T1 (30S is selected as T1, and T1 is adjustable);
if the current indoor humidity value is detected to be greater than the target set value by the continuous T1, closing the fresh air input and operating the indoor circulating air dehumidification mode; at the moment, the fresh air input can be immediately closed, the fresh air valve is closed, and indoor circulating air dehumidification is carried out.
If the current indoor humidity value < the target set value is detected by the continuous T1, the high-efficiency mode is exited and the automatic mode is started.
As a further step, the method further comprises:
and S242, when the current indoor humidity value is detected to be less than the difference between the target set value and the shutdown return difference value within a continuous second preset time T2 (30S is selected as T2, and T2 is adjustable) during the operation of the high-efficiency mode, exiting the high-efficiency mode, starting the automatic mode, opening a fresh air valve and operating the single outdoor fresh air ventilation mode.
2. Starting a sleep function in an automatic mode:
after the sleep function is started, the unit CO2Concentration detection sensor for detecting current indoor CO2Concentration value according to the current CO in the room2Determining the corresponding wind speed (first wind speed value) of the fan according to the concentration value, firstly adjusting the wind speed of the fan to the first wind speed value, then adjusting the matching relation of the fan according to the preset wind speed in the figure 2, and enabling the wind speed of the fan to be according to CO2And carrying out stepless regulation on the wind speed by using the concentration relation curve. In the process of stepless regulation of the wind speed, the wind speed of the fan can be regulated according to CO2The concentration can be automatically adjusted between low-medium-low gear wind speed, but the concentration cannot be adjusted to an over-high gear to avoid generating excessive noise, so that the wind speed adjusting process is smoothly carried out, the condition of sudden change of the wind speed cannot occur, and meanwhile, indoor CO can be effectively controlled2Concentration, the air comfort level when guaranteeing indoor air oxygen content and user's sleep.
At this time, the unit simultaneously performs dehumidification regulation in an efficient mode, and preferably, the preset matching conditions are as follows:
when the current indoor humidity value is smaller than the target set value, the independent outdoor fresh air ventilation mode is operated;
and when the current indoor humidity value is larger than the target set value, operating the outdoor fresh air supplement dehumidification mode.
That is, if the room is in the single outdoor fresh air exchange mode, the unit CO is in the single outdoor fresh air exchange mode2Concentration detection sensor for detecting current indoor CO2Concentration value according to the current CO in the room2Determining the wind speed corresponding to the fan as a first wind speed value according to the concentration value, firstly adjusting the wind speed of the fan to the first wind speed value, and then adjusting the matching relation of the fan according to the preset wind speed in the figure 2 to ensure that the wind speed of the fan is adjusted according to CO2And carrying out stepless regulation on the wind speed by using the concentration relation curve.
If the room is in the outdoor fresh air supply dehumidification mode, as a preferred scheme, the method further comprises:
s231, when the outdoor fresh air supplementing dehumidification mode is operated,
when the current indoor humidity value reaches a preset expansion amplitude value after continuous third preset time T3(T3 is 1 hour, and T1 is adjustable), switching the outdoor fresh air supplementing dehumidification mode to operate as the indoor circulating air dehumidification mode; wherein the preset amplitude value is set as 5% of indoor humidity rise.
Or, when the current indoor humidity value is detected to be not reaching the target set value after the continuous fourth preset time T4 (3 hours is selected as T4, and T4 is adjustable), the outdoor fresh air supplement dehumidification mode is switched to operate as the indoor circulating air dehumidification mode; or, namely after dehumidification T4, if the indoor humidity does not meet the set humidity requirement, the fresh air input and the fresh air valve are closed, (if the dehumidification effect is poor, the fresh air still brings a humidity load which cannot be removed indoors, and at this time, the fresh air input needs to be closed), and at this time, the indoor circulating air mode is switched to perform dehumidification until dehumidification is completed.
Or, when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within a continuous fifth preset time T5 (30 s is selected as T5, and T5 is adjustable), the outdoor fresh air supplementing and dehumidifying mode is switched to the single outdoor fresh air ventilating mode.
To sum up, the embodiment of the invention provides a control method of a fresh air dehumidifierThe design sleeping function is added in various running modes of the fresh air dehumidifier, so that the wind speed of the fresh air dehumidifier in any mode can be determined according to CO2The concentration can be automatically adjusted within a set gear wind speed threshold range, so that the wind speed adjustment process is smoothly carried out without the condition of sudden change of wind speed, and indoor CO can be effectively controlled2Concentration guarantees the indoor air oxygen content, improves the indoor air quality, avoids the too high too big noise that produces of wind speed simultaneously, and comfort level when the user sleeps is high, and user experience is good.
Corresponding to the control method of the fresh air dehumidifier, the invention also provides a control system of the fresh air dehumidifier, which comprises a controller, wherein the controller is used for:
starting a sleep function according to a received sleep function starting instruction in the operation process of any mode;
after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
Preferably, the controller is further configured to:
after the start of the sleep function, the sleep function is activated,
the real-time detected CO2Concentration value of first CO2A concentration value;
determining the first CO according to the preset wind speed regulation matching relation2The wind speed value corresponding to the concentration value is a first wind speed value, and a first instruction for adjusting the wind speed to the first wind speed value is sent to a fan;
the real-time detected CO2Concentration value is a second CO at each time point after the wind speed of the fan reaches the first wind speed value2A concentration value;
determining the second CO according to the preset wind speed regulation matching relation2And the wind speed value corresponding to the concentration value is a second wind speed value, and a second instruction for adjusting the wind speed to the second wind speed value is sent to the fan.
Preferably, the controller is further configured to:
presetting that the wind speed value does not exceed a preset wind speed adjusting range after the sleep function is started;
the minimum value of the wind speed adjusting range is a first low-gear wind speed value, and the maximum value of the wind speed adjusting range is a second low-gear wind speed value.
As a preferred scheme, the preset wind speed adjustment matching relationship is as follows:
within the wind speed adjusting range, the wind speed value and the corresponding real-time detected CO2The concentration values are in direct proportion.
The controller is further configured to:
comparing the current indoor humidity value acquired in real time with a target set value to obtain a comparison result;
when an automatic mode operation starting instruction is received, starting a working mode corresponding to the comparison result according to a preset matching condition;
before receiving an automatic mode operation termination instruction, switching and operating a working mode corresponding to the comparison result according to the preset matching condition; the working mode is one of at least three modes, and the mode is a single outdoor fresh air ventilation mode, an outdoor fresh air supplement dehumidification mode or an indoor circulating air dehumidification mode;
when receiving an efficient mode operation starting instruction, operating the indoor circulating air dehumidification mode;
and when the comparison result meets the preset high-efficiency mode dehumidification ending condition, exiting the indoor circulating air dehumidification mode and starting the automatic mode.
Preferably, the controller is further configured to:
when a high-efficiency mode operation starting instruction is received, judging whether the current indoor humidity value detected within continuous first preset time is larger than the target set value or not;
if so, closing the fresh air input and operating the indoor circulating air dehumidification mode;
if not, exiting the high-efficiency mode and starting the automatic mode.
Preferably, the controller is further configured to:
when the air conditioner operates in the high-efficiency mode, when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within continuous second preset time, the air conditioner exits the high-efficiency mode and starts the automatic mode, and the fresh air valve is opened and the single outdoor fresh air ventilation mode is operated.
As a preferred scheme, the preset matching conditions are as follows:
when the current indoor humidity value is smaller than the target set value, the independent outdoor fresh air ventilation mode is operated;
and when the current indoor humidity value is larger than the target set value, operating the outdoor fresh air supplement dehumidification mode.
Preferably, the controller is further configured to:
when the outdoor fresh air supplement dehumidification mode is operated,
when the current indoor humidity value reaches a preset amplitude value after continuous third preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or the like, or, alternatively,
when the current indoor humidity value is detected to be not up to the target set value after the fourth continuous preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within the continuous fifth preset time, switching the outdoor supplementary fresh air dehumidification mode to the single outdoor fresh air ventilation mode.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A control method of a fresh air dehumidifier is characterized by at least comprising the following steps:
starting a sleep function according to a received sleep function starting instruction in the operation process of any mode;
after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
2. The control method of the fresh air dehumidifier as claimed in claim 1, wherein after the sleep function is started, the wind speed of the fan is adjusted to be matched with the CO detected in real time according to the preset wind speed adjustment matching relationship2The wind speed value corresponding to the concentration value is specifically as follows:
after the start of the sleep function, the sleep function is activated,
the real-time detected CO2Concentration value of first CO2A concentration value;
determining the first CO according to the preset wind speed regulation matching relation2The wind speed value corresponding to the concentration value is a first wind speed value, and a first instruction for adjusting the wind speed to the first wind speed value is sent to a fan;
the real-time detected CO2The concentration value is at each time point after the wind speed of the fan reaches the first wind speed valueSecond CO of2A concentration value;
determining the second CO according to the preset wind speed regulation matching relation2And the wind speed value corresponding to the concentration value is a second wind speed value, and a second instruction for adjusting the wind speed to the second wind speed value is sent to the fan.
3. The method for controlling a fresh air dehumidifier as claimed in claim 1 or 2, wherein the method further comprises:
presetting that the wind speed value does not exceed a preset wind speed adjusting range after the sleep function is started;
the minimum value of the wind speed adjusting range is a first low-gear wind speed value, and the maximum value of the wind speed adjusting range is a second low-gear wind speed value.
4. The control method of the fresh air dehumidifier as claimed in claim 3, wherein the preset wind speed adjustment matching relationship is:
within the wind speed adjusting range, the wind speed value and the corresponding real-time detected CO2The concentration values are in direct proportion.
5. A control method of a fresh air dehumidifier as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
comparing the current indoor humidity value acquired in real time with a target set value to obtain a comparison result;
when an automatic mode operation starting instruction is received, starting a working mode corresponding to the comparison result according to a preset matching condition;
before receiving an automatic mode operation termination instruction, switching and operating a working mode corresponding to the comparison result according to the preset matching condition; the working mode is one of at least three modes, and the mode is a single outdoor fresh air ventilation mode, an outdoor fresh air supplement dehumidification mode or an indoor circulating air dehumidification mode;
when receiving an efficient mode operation starting instruction, operating the indoor circulating air dehumidification mode;
and when the comparison result meets the preset high-efficiency mode dehumidification ending condition, exiting the indoor circulating air dehumidification mode and starting the automatic mode.
6. The method for controlling the fresh air dehumidifier as claimed in claim 5, wherein the method further comprises:
when a high-efficiency mode operation starting instruction is received, judging whether the current indoor humidity value detected within continuous first preset time is larger than the target set value or not;
if so, closing the fresh air input and operating the indoor circulating air dehumidification mode;
if not, exiting the high-efficiency mode and starting the automatic mode.
7. The method for controlling the fresh air dehumidifier as claimed in claim 5, wherein the method further comprises:
when the air conditioner operates in the high-efficiency mode, when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within continuous second preset time, the air conditioner exits the high-efficiency mode and starts the automatic mode, and the fresh air valve is opened and the single outdoor fresh air ventilation mode is operated.
8. The control method of the fresh air dehumidifier as claimed in claim 5, wherein the preset matching conditions are as follows:
when the current indoor humidity value is smaller than the target set value, the independent outdoor fresh air ventilation mode is operated;
and when the current indoor humidity value is larger than the target set value, operating the outdoor fresh air supplement dehumidification mode.
9. The method for controlling the fresh air dehumidifier as claimed in claim 8, wherein the method further comprises:
when the outdoor fresh air supplement dehumidification mode is operated,
when the current indoor humidity value reaches a preset amplitude value after continuous third preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or the like, or, alternatively,
when the current indoor humidity value is detected to be not up to the target set value after the fourth continuous preset time, switching the outdoor fresh air supplement dehumidification mode into the indoor circulating air dehumidification mode; or the like, or, alternatively,
and when the current indoor humidity value is detected to be smaller than the difference between the target set value and the shutdown return difference value within the continuous fifth preset time, switching the outdoor supplementary fresh air dehumidification mode to the single outdoor fresh air ventilation mode.
10. The control system of the fresh air dehumidifier is characterized by comprising a controller, wherein the controller is used for:
starting a sleep function according to a received sleep function starting instruction in the operation process of any mode;
after the sleep function is started, the wind speed of the fan is adjusted to the CO detected in real time according to the preset wind speed adjusting matching relation2The wind speed value corresponding to the concentration value.
CN201910986982.9A 2019-10-16 2019-10-16 Control method and system of fresh air dehumidifier Pending CN110762803A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0976733A (en) * 1995-09-19 1997-03-25 Denso Corp Air conditioner for vehicle
JP2000193282A (en) * 1998-12-24 2000-07-14 Aisin Seiki Co Ltd Heat exchanging ventilator
CN103471209A (en) * 2013-09-30 2013-12-25 河南日森光电科技有限公司 Integrated fresh air fan and control method thereof
CN106678991A (en) * 2017-03-07 2017-05-17 重庆大学 Fresh air handling unit adjusting and controlling system suitable for radiant air conditioner and controlling method of fresh air handling unit adjusting and controlling system
CN107143945A (en) * 2017-05-15 2017-09-08 东南大学 A kind of joint control temperature and CO2The new blower fan of multiple duct constant humidity and its method of work
CN109084424A (en) * 2018-08-13 2018-12-25 珠海格力电器股份有限公司 A kind of Fresh air handling units and saving-energy operation control method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0976733A (en) * 1995-09-19 1997-03-25 Denso Corp Air conditioner for vehicle
JP2000193282A (en) * 1998-12-24 2000-07-14 Aisin Seiki Co Ltd Heat exchanging ventilator
CN103471209A (en) * 2013-09-30 2013-12-25 河南日森光电科技有限公司 Integrated fresh air fan and control method thereof
CN106678991A (en) * 2017-03-07 2017-05-17 重庆大学 Fresh air handling unit adjusting and controlling system suitable for radiant air conditioner and controlling method of fresh air handling unit adjusting and controlling system
CN107143945A (en) * 2017-05-15 2017-09-08 东南大学 A kind of joint control temperature and CO2The new blower fan of multiple duct constant humidity and its method of work
CN109084424A (en) * 2018-08-13 2018-12-25 珠海格力电器股份有限公司 A kind of Fresh air handling units and saving-energy operation control method

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