CN113865026A - Control method and device of carbon dioxide collecting device, air conditioner and storage medium - Google Patents

Control method and device of carbon dioxide collecting device, air conditioner and storage medium Download PDF

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Publication number
CN113865026A
CN113865026A CN202111152712.1A CN202111152712A CN113865026A CN 113865026 A CN113865026 A CN 113865026A CN 202111152712 A CN202111152712 A CN 202111152712A CN 113865026 A CN113865026 A CN 113865026A
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carbon dioxide
difference
filter element
value
absolute value
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Chinese (zh)
Inventor
张凤娇
张新宇
王奇伟
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Hisense Shandong Air Conditioning Co Ltd
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Hisense Shandong Air Conditioning Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • 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
    • F24F2110/30—Velocity
    • 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
    • F24F2110/40—Pressure, e.g. wind pressure
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a control method and a control device of a carbon dioxide collecting device, an air conditioner and a storage medium, wherein the control method comprises the following steps: when the filter element absorbs carbon dioxide, acquiring environmental wind data passing through the filter element according to a preset time interval; determining the absolute value of a first difference value of the environmental wind data and the initial environmental wind data or the absolute value of a second difference value of the two adjacent environmental wind data; and controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference. The device absorbs indoor carbon dioxide, so that the concentration of the indoor carbon dioxide is effectively reduced, when the filter element absorbs the carbon dioxide, a plurality of environmental wind data passing through the filter element are obtained according to the preset time interval, and whether the carbon dioxide collection module reaches a saturated collection state is judged according to the absolute value of the first difference or the second difference, so that the working state of the carbon dioxide collection device is accurately controlled, for example, the filter element is controlled to release the absorbed carbon dioxide, and the filter element is reused.

Description

Control method and device of carbon dioxide collecting device, air conditioner and storage medium
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and device of a carbon dioxide collecting device, an air conditioner and a storage medium.
Background
With the improvement of living standard of people, people pay more and more attention to the indoor air quality, when the air conditioner is used indoors, the air conditioner is usually in a closed state, under the condition that no people are in the room, the carbon dioxide concentration is generally about 500 plus one-tenth PPM, along with the change of time, when people frequently move indoors and the indoor ventilation is not timely, the content of the indoor carbon dioxide is continuously accumulated, the concentration of the indoor carbon dioxide is gradually increased, and when the carbon dioxide concentration is 1000 plus one-tenth 2000PPM, people feel that the air is turbid, so that obvious discomfort occurs. When the concentration of carbon dioxide reaches 2000-5000ppm, people feel headache, sleepiness, dull, concentration failure, accelerated heartbeat and mild nausea, thereby endangering the health of human bodies.
At present, the effective method for reducing the carbon dioxide concentration of the air conditioner is to introduce fresh air, however, the carbon dioxide concentration is mainly reduced by introducing the fresh air, but the quantity of the carbon dioxide still gradually increases, and the concentration of the carbon dioxide in the room is not reduced. Based on this, also appearing the correlation technique at present, collecting carbon dioxide concentration through the filter core, nevertheless can't know the carbon dioxide adsorption capacity on the filter core, therefore can change new filter core after using a period, can't realize filter core used repeatedly to cause the waste.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, a first object of the present invention is to provide a method for controlling a carbon dioxide collecting device, which is based on that the carbon dioxide collecting device absorbs indoor carbon dioxide, so as to effectively reduce the concentration of the indoor carbon dioxide, and when a filter element absorbs carbon dioxide, according to a preset time interval, obtain a plurality of environmental wind data, such as wind pressure values or wind speed values, passing through the filter element, and determine an absolute value of a first difference between the initial environmental wind data and the plurality of environmental wind data, or determine an absolute value of a second difference between two adjacent environmental wind speed data, and determine whether a carbon dioxide collecting module reaches a saturated collecting state according to the absolute value of the first difference or the absolute value of the second difference, so as to determine the concentration of carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device for absorbing or releasing carbon dioxide, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
Therefore, the second purpose of the invention is to provide a control device of the carbon dioxide collecting device.
To this end, a third object of the present invention is to provide an air conditioner.
To this end, a fourth object of the invention is to propose a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention proposes a control method of a carbon dioxide collecting apparatus including a filter element for absorbing carbon dioxide, the method including: when the filter element absorbs carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval; determining an absolute value of a first difference value of the environmental wind data and the initial environmental wind data, or an absolute value of a second difference value of two adjacent environmental wind data; and controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference.
According to the control method of the carbon dioxide collecting device of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of the first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of the second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so as to judge the concentration of the carbon dioxide absorbed by the filter element, and accurately control the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
In some embodiments, controlling the operating state of the carbon dioxide collection device based on the absolute value of the first difference or the absolute value of the second difference comprises: and if the absolute value of the first difference is greater than or equal to a first preset difference, or the absolute value of the second difference is less than or equal to a second preset difference, controlling the carbon dioxide collecting device to release the absorbed carbon dioxide.
In some embodiments, controlling the carbon dioxide collection device to release the absorbed carbon dioxide comprises: and controlling a heating device to be started to heat the filter element so as to release the carbon dioxide.
In some embodiments, before controlling the heating device to be turned on, the method further includes: and controlling the filter element to move to a release area and controlling the exhaust fan to be started.
In some embodiments, after the heating device is controlled to be turned on to heat the filter element, the method further comprises: acquiring a first temperature value of the filter element; judging whether the first temperature value reaches a target temperature threshold value, wherein the target temperature threshold value is the difference value between a preset filter element release temperature threshold value and a preset temperature return difference; if so, controlling the heating device and/or the exhaust fan to maintain the first temperature at the target temperature threshold, otherwise, controlling the heating device to continuously heat the filter element until the first temperature reaches the target temperature threshold.
In some embodiments, after controlling the carbon dioxide collection device to release the carbon dioxide, the method further comprises: when the filter element releases carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to the preset time interval; calculating an absolute value of a third difference value between the environment wind data and the initial environment wind data, or calculating an absolute value of a fourth difference value between two adjacent environment wind data; and when the absolute value of the third difference is greater than or equal to the first preset difference, or the absolute value of the fourth difference is less than or equal to the second preset difference, turning off the heating device to enable the carbon dioxide collecting device to stop releasing the carbon dioxide.
In some embodiments, after controlling the carbon dioxide collection device to stop releasing the carbon dioxide, the method further comprises: acquiring a second temperature value of the filter element; judging whether the second temperature value is smaller than a preset safety value or not; if so, controlling the exhaust fan to be closed, otherwise, controlling the exhaust fan to be continuously opened until the second temperature is lower than the preset safety value.
To achieve the above object, an embodiment of a second aspect of the present invention proposes a control device of a carbon dioxide collection device, the control device including: the acquisition module is used for acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval when the filter element absorbs carbon dioxide; the determining module is used for determining the absolute value of a first difference value of the environment wind data and the initial environment wind data or the absolute value of a second difference value of two adjacent environment wind data; and the control module is used for controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference.
According to the control device of the carbon dioxide collecting device in the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of the first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of the second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so as to judge the concentration of the carbon dioxide absorbed by the filter element, and accurately control the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
To achieve the above object, an embodiment of a third aspect of the present invention proposes an air conditioner including: the control device of the carbon dioxide collecting device according to the above embodiment; or a processor, a memory and a control program of the carbon dioxide collection device stored on the memory and operable on the processor, the control program of the carbon dioxide collection device, when executed by the processor, implementing the control method of the carbon dioxide collection device as described in the above embodiments.
According to the air conditioner provided by the embodiment of the invention, based on the fact that the carbon dioxide collecting device absorbs the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of a first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of a second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches a saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so that the concentration of the carbon dioxide absorbed by the filter element is judged, and the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide is accurately controlled, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
To achieve the above object, an embodiment of a fourth aspect of the present invention proposes a computer-readable storage medium having stored thereon a control program of a carbon dioxide collection apparatus, which when executed by a processor, implements a control method of the carbon dioxide collection apparatus as described in the above embodiment.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a method of controlling a carbon dioxide collection device according to one embodiment of the present invention;
FIG. 2 is a schematic view of a drive mechanism for controlling movement of a filter element according to one embodiment of the present invention;
FIG. 3 is a flow chart of a method of controlling a carbon dioxide collection device according to an embodiment of the present invention;
fig. 4 is a block diagram of a control device of the carbon dioxide collecting device according to one embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
In the embodiment, the concentration of the outdoor carbon dioxide is usually 400-500ppm, and based on the indoor air instruction standard, it is found that the comfort of the user can be high by controlling the indoor carbon dioxide concentration to be below 600ppm, so that it is necessary to control the indoor carbon dioxide concentration to be within the set concentration range.
A method for controlling the carbon dioxide collecting device according to the embodiment of the present invention will be described below.
Referring to fig. 1 to 3, a control method of a carbon dioxide collecting device according to an embodiment of the present invention, which is applicable to a carbon dioxide collecting device including a filter for absorbing carbon dioxide, is described below, as shown in fig. 1, the control method of a carbon dioxide collecting device according to an embodiment of the present invention includes at least steps S1, S2, and S3.
And step S1, when the filter element absorbs the carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval.
Wherein, the environmental wind data is a wind speed value or a wind pressure value passing through the filter element, the wind speed value or the wind pressure value is recorded as F for example, a plurality of environmental wind data are obtained according to a preset time interval, for example, a plurality of wind speed values or wind pressure values are obtained at preset time intervals, and the plurality of wind speed values or the plurality of wind pressure values are respectively F1、F2And FnAnd when the concentration of the carbon dioxide in the indoor air exceeds the standard, absorbing the carbon dioxide in the indoor air through a filter element in the carbon dioxide collecting device so as to reduce the concentration of the carbon dioxide in the indoor air.
Specifically, the carbon dioxide concentration in the indoor air is detected through the carbon dioxide concentration detection module, when the carbon dioxide concentration in the indoor air reaches a preset concentration threshold value, the carbon dioxide concentration in the indoor air is considered to be over standard, at the moment, the carbon dioxide in the indoor air is absorbed through the filter element, and when the carbon dioxide is absorbed through the filter element, a plurality of wind speed values or wind pressure values passing through the filter element are obtained according to a preset time interval, for example, every t 1. It can be understood that, when the filter element absorbs carbon dioxide, the wind speed or wind pressure passing through the filter element gradually decreases with the increase of time, and simultaneously, the wind resistance of the filter element gradually increases.
In step S2, an absolute value of a first difference between the ambient wind data and the initial ambient wind data or an absolute value of a second difference between two adjacent ambient wind data is determined.
In an embodiment, the initial ambient wind data is a wind speed value or a wind pressure value, for example, denoted as F1, which first flows through the filter element. After obtaining a plurality of wind speed values or wind pressure values, determining the difference between the obtained wind speed value or wind pressure value and the wind speed value or wind pressure value which first flows through the filter element, e.g. calculating F2-F1Difference of (D), F3-F1Difference of (A) and (B)n-F1And the absolute value of the difference between the two is taken as the secondAn absolute value of a difference, the absolute value of the first difference being denoted for example as Δ F1。
Alternatively, an absolute value of a second difference between two adjacent environmental wind data, which are wind speed values or wind pressure value differences of two adjacent environmental wind data, is determined, for example, F is calculated2-F1Difference of (D), F3-F2And calculating Fn-Fn-1And taking the absolute value of the difference of two adjacent times as the absolute value of a second difference, which is recorded as Δ f1. By determining the absolute value of the first difference Δ F or the absolute value of the second difference Δ F1So as to be dependent on the absolute value of the first difference Δ F1Or the absolute value of the second difference Δ f1And controlling the working state of the carbon dioxide collecting device.
And step S3, controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference. It can be understood that the carbon dioxide collecting device can discharge the absorbed carbon dioxide to the outside after absorbing the carbon dioxide, so as to realize the recycling of the carbon dioxide collecting device, thereby saving energy and avoiding waste.
In an embodiment, the absolute value of the first difference Δ F is determined1Or the absolute value of the second difference Δ f1Then, the absolute value of the first difference Δ F is calculated1Or the absolute value of the second difference Δ f1And comparing the difference value with the pre-stored preset difference value corresponding to the difference value respectively, so as to judge whether the carbon dioxide collecting device is started and releases carbon dioxide or not, and further realize the control of carbon dioxide release.
According to the control method of the carbon dioxide collecting device of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of the first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of the second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so as to judge the concentration of the carbon dioxide absorbed by the filter element, and accurately control the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
In some embodiments, controlling the operating state of the carbon dioxide collection device based on the absolute value of the first difference or the absolute value of the second difference comprises: and if the absolute value of the first difference is greater than or equal to a first preset difference, or the absolute value of the second difference is less than or equal to a second preset difference, controlling the carbon dioxide collecting device to release the absorbed carbon dioxide.
In an embodiment, the first predetermined difference is, for example, Δ FIs provided withThe second predetermined difference is, for example, Δ fIs provided withDetermining the absolute value of the first difference Δ F1Or the absolute value of the second difference Δ f1Then, the absolute value of the first difference Δ F is compared1Is different from the first preset difference value delta FIs provided withOr, comparing the absolute value of the second difference Δ f1Is different from the second preset difference value delta fIs provided withWhen the absolute value of the first difference is Δ F1Greater than or equal to a first preset difference value deltaFIs provided withI.e. Δ F1≥ΔFIs provided withOr, when the absolute value of the second difference Δ f1Is less than or equal to a second preset difference value delta fIs provided withI.e. Δ f1≤ΔfIs provided withWhen the carbon dioxide is saturated, the filter element is considered to be saturated with the carbon dioxide, and at the moment, the carbon dioxide collecting device needs to be controlled to release the absorbed carbon dioxide; otherwise, the filter element is not saturated, and at this time, the carbon dioxide collecting device needs to be controlled to continue to collect carbon dioxide. By determining the absolute value of the first difference Δ F1Is different from the first preset difference value delta FIs provided withOr, determining the absolute value Δ f of the second difference1Is different from the second preset difference value delta fIs provided withTo whether the carbon dioxide collection module reaches a saturated stateLine judgment is carried out, and the absolute value delta F of the first difference value is obtained1Greater than or equal to a first predetermined difference, or the absolute value of the second difference Δ f1Is less than or equal to a second preset difference value delta fIs provided withWhen the carbon dioxide collecting device reaches the release threshold, the carbon dioxide collecting device is controlled to release the collected carbon dioxide, and after the release is completed, the carbon dioxide continues to be absorbed, so that the carbon dioxide collecting module can be repeatedly and efficiently utilized.
In some embodiments, controlling the carbon dioxide collection device to release absorbed carbon dioxide comprises: and controlling the heating device to be started to heat the filter element so as to release carbon dioxide. Specifically, when the carbon dioxide collecting device is controlled to release carbon dioxide, the heating device is controlled to be turned on to heat the filter element, and it can be understood that the heating of the filter element includes electric heating, microwave heating, infrared heating, steam heating, and the like, and when the electric heating is used to heat the filter element, the heating temperature can be controlled to be in a temperature range of 60 ℃ to 150 ℃, for example, the heating temperature is controlled to be 80 ℃. Wherein, when the temperature of the filter element reaches a preset temperature, such as 80 ℃, the efficiency of the filter element for releasing carbon dioxide is higher.
In some embodiments, before controlling the heating device to be turned on, the method further includes: and controlling the filter element to move to a release area and controlling the exhaust fan to be started.
In an embodiment, as shown in fig. 2, a schematic diagram of a driving mechanism for controlling the movement of a filter element according to an embodiment of the present invention is shown. The driving mechanism comprises a gear, a rack, a rail and a motor, the driving mechanism is fixedly connected with the carbon dioxide collecting device, the rail is fixedly connected with the base body, and the motor is fixed on the rail so as to drive the gear and the carbon dioxide collecting device to move. Specifically, when the filter element collects carbon dioxide and is saturated, the filter element is controlled through the motion module to move the filter element to a release area, the exhaust fan is controlled to be started, the exhaust channel is controlled to be opened, it is guaranteed that indoor air can be discharged to the outdoor through the exhaust channel, and therefore carbon dioxide is discharged to the outdoor through the exhaust channel.
In some embodiments, after the heating device is controlled to be turned on to heat the filter element, the method further comprises: acquiring a first temperature value of the filter element; judging whether the first temperature value reaches a target temperature threshold value, wherein the target temperature threshold value is the difference value between a preset filter element release temperature threshold value and a preset temperature return difference; if so, controlling the heating device and/or the exhaust fan to maintain the first temperature at the target temperature threshold, otherwise, controlling the heating device to continuously heat the filter element until the first temperature reaches the target temperature threshold.
In an embodiment, the first temperature value is, for example, denoted T, and the predetermined filter release temperature threshold value is, for example, denoted TIs provided withAfter the heating device is started to heat the filter element, a first temperature value T of the filter element is obtained, and the first temperature value T is compared with a preset filter element release temperature threshold value TIs provided withWhen the first temperature value T is less than the preset filter element release temperature threshold value TIs provided withAnd controlling the heating device to continuously heat the filter element, and when the first temperature value T is greater than or equal to a preset filter element release temperature threshold value TIs provided withAnd when the first temperature value T reaches the target temperature threshold value, the temperature of the filter element is considered to be at a normal temperature value, at the moment, the heating device and/or the exhaust fan are controlled to enable the filter element to be kept at the target temperature threshold value, wherein the filter element is controlled to be kept at the target temperature threshold value, and the air speed of the exhaust fan can be properly adjusted, or the power of the heating device is adjusted to regulate and control the temperature of the filter element. When the first temperature does not reach the target temperature threshold, for example, the first temperature value is not equal to the target temperature threshold, the heating device is controlled to be continuously started to heat the filter element, the size relation between the temperature value of the filter element and the target temperature threshold is continuously judged in the heating process, and when the temperature value of the filter element reaches the target temperature threshold, the temperature of the filter element is kept at the target temperature threshold. The preset temperature return difference value is, for example, Δ T. The size relation between the first temperature value and the target temperature value of the filter element is judged, so that the temperature value of the filter element is regulated and controlled, and the efficiency of releasing carbon dioxide by the filter element is improved.
In some embodiments, after controlling the carbon dioxide collection device to release carbon dioxide, the method further comprises: when the filter element releases carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval; calculating the absolute value of a third difference value between the environmental wind data and the initial environmental wind data, or the absolute value of a fourth difference value between two adjacent environmental wind data; and when the absolute value of the third difference is greater than or equal to the first preset difference, or the absolute value of the fourth difference is less than or equal to the second preset difference, the heating device is closed, so that the carbon dioxide collection device stops releasing the carbon dioxide.
In the embodiment, when the filter element releases carbon dioxide, a plurality of wind speed values or wind pressure values passing through the filter element are obtained at preset time intervals, for example, at intervals of t1, the absolute value of the difference between the obtained wind speed value or wind pressure value and the initial wind speed value or wind pressure value is calculated, and the absolute value of the difference between the obtained wind speed value or wind pressure value and the initial wind speed value or wind pressure value is used as the absolute value of a third difference, for example, recorded as Δ F2Or, comparing the absolute value of the third difference Δ F2Is different from the first preset difference value delta FIs provided withIn the magnitude relation of the third difference, the absolute value of the third difference Δ F2Greater than or equal to a first preset difference, i.e. Δ F2≥ΔFIs provided with(ii) a Or, the absolute value of the difference between two adjacent wind speed or wind pressure values is calculated and the absolute value of the difference is taken as the absolute value of the fourth difference, for example, recorded as Δ f2And comparing the absolute value of the fourth difference with a second predetermined difference Δ fIs provided withIn the magnitude relation between, and the absolute value of the fourth difference Δ f2Is less than or equal to a second preset difference value delta fIt is provided that,i.e., Δ f2≤ΔfIs provided withWhen the carbon dioxide is released, the filter element is considered to be finished; if the absolute value of the third difference is Δ F2Less than a first predetermined difference Δ FIs provided withAnd the absolute value of the fourth difference Δ f2Greater than a second predetermined difference Δ fIs provided withAnd controlling the filter element to continuously release the carbon dioxide when the carbon dioxide of the filter element is not released completely. Judging whether the filter element finishes releasing the carbon dioxide or not by judging the magnitude relation between the absolute value of the third difference and the first preset difference or judging the magnitude relation between the absolute value of the fourth difference and the second preset differenceAnd then accurately controlling the working state of the carbon dioxide collection module.
In some embodiments, after controlling the carbon dioxide collection device to stop releasing carbon dioxide, the method further comprises: acquiring a second temperature value of the filter element; judging whether the second temperature value is smaller than a preset safety value or not; if so, controlling the air exhaust fan to be closed, otherwise, controlling the air exhaust fan to be continuously opened until the second temperature is less than the preset safety value. It can be understood that, predetermine the safe value and be filter core cooling safe value, predetermine the safe value through setting up, when filter core temperature reduces to below the preset safe value, the fan of controlling to exhaust is closed, need not to continue to cool down to the filter core to guarantee that the follow-up normal work that can of filter core.
In the embodiment, after the carbon dioxide is determined to be released by the filter element, the heating module is controlled to stop heating, the filter element still has waste heat, at the moment, a second temperature value of the filter element is obtained, the size relation between the second temperature value and a preset safety value is judged, when the second temperature value is smaller than the preset safety value, the temperature of the filter element is considered to be reduced to the preset safety value, at the moment, the exhaust fan is controlled to be closed, and the filter element does not need to be cooled continuously; and when the second temperature value is greater than or equal to the preset safety value, controlling the exhaust fan to be continuously started so as to rapidly cool the filter element until the temperature value of the filter element is reduced below the preset safety value.
A method for controlling a carbon dioxide collecting device according to an embodiment of the present invention will be described in detail with reference to fig. 3, which is a flowchart of the method for controlling a carbon dioxide collecting device according to an embodiment of the present invention, as shown in fig. 3.
In step S11, the concentration of carbon dioxide in the indoor space is detected.
Step S12, judging whether the concentration of carbon dioxide in the indoor space exceeds the standard; if yes, go to step S13; if not, go to step S11.
And step S13, controlling the filter element to move to the release area, and controlling the exhaust fan to be started.
Step S14, when the filter element absorbs carbon dioxide, acquiring a plurality of wind pressure values or wind speed values passing through the filter element according to a preset time interval, and executing step S15 or step S16.
Step S15, judging whether the absolute value of the first difference value between the plurality of wind pressure values or wind speed values and the initial wind pressure value or the initial wind speed value is larger than or equal to a first preset difference value, if so, executing step S17; if not, go to step S14.
Step S16, judging whether the absolute value of the second difference value of the wind pressure values or the wind speed values of two adjacent times is less than or equal to a second preset difference value, if so, executing step S17; if not, go to step S14.
And step S17, controlling the filter element to move to the release area.
And step S18, starting an exhaust fan and an exhaust channel.
And step S19, acquiring a first temperature value of the filter element.
Step S20, judging whether the first temperature value is smaller than a preset filter element release temperature threshold value, if so, executing step S21; if not, go to step S20.
And step S21, controlling the heating device to continuously heat the filter element.
Step S22, judging whether the first temperature value reaches the target temperature threshold value, if yes, executing step S23; if not, go to step S21.
And step S23, controlling the heating device and/or the exhaust fan to maintain the first temperature at the target temperature threshold.
Step S24, the filter element releases carbon dioxide.
Step S25, acquiring a plurality of wind pressure values or wind speed values passing through the filter element according to a preset time interval, and executing step S26 or step S27.
Step S26, judging whether the absolute value of the third difference between the plurality of wind pressure values or wind speed values and the plurality of initial wind pressure values or wind speed values is larger than or equal to a first preset difference, if so, executing step S28; if not, go to step S24.
Step S27, determining whether an absolute value of a fourth difference between the wind pressure values or the wind speed values of two adjacent wind pressure values is less than or equal to a second preset difference, if so, executing step S28, and if not, executing step S24.
Step S28, the heating device is turned off to stop the carbon dioxide collection device from releasing carbon dioxide.
And step S29, acquiring a second temperature value of the filter element.
Step S30, judging whether the second temperature value is smaller than a preset safety value, if so, executing step S31; if not, go to step S29.
And step S31, controlling the exhaust fan to be closed.
According to the control method of the carbon dioxide collecting device of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of the first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of the second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so as to judge the concentration of the carbon dioxide absorbed by the filter element, and accurately control the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
The control device of the carbon dioxide collecting device of the embodiment of the present invention is described below.
As shown in fig. 4, the control device 2 of the carbon dioxide collecting device according to the embodiment of the present invention includes: the device comprises an acquisition module 20, a determination module 21 and a control module 22, wherein the acquisition module 20 is used for acquiring a plurality of environmental wind data passing through a filter element according to a preset time interval when the filter element absorbs carbon dioxide; the determining module 21 is configured to determine an absolute value of a first difference between the ambient wind data and the initial ambient wind data, or an absolute value of a second difference between two adjacent ambient wind data; and the control module is used for controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference.
According to the control device 2 of the carbon dioxide collecting device of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of the first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of the second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so as to judge the concentration of the carbon dioxide absorbed by the filter element, and thus the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide is accurately controlled, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
An air conditioner according to an embodiment of the present invention is described below. The air conditioner includes: the control device 2 of the carbon dioxide collecting device of the above embodiment; or a processor, a memory and a control program of the carbon dioxide collecting device stored on the memory and operable on the processor, the control program of the carbon dioxide collecting device implementing the control method of the carbon dioxide collecting device as the above embodiment when executed by the processor.
According to the air conditioner provided by the embodiment of the invention, based on the fact that the carbon dioxide collecting device absorbs the indoor carbon dioxide, the concentration of the indoor carbon dioxide can be effectively reduced, the indoor carbon dioxide is in a proper concentration, the comfort is improved, when the carbon dioxide is absorbed by the filter element, a plurality of environmental wind data such as wind pressure values or wind speed values passing through the filter element are obtained according to the preset time interval, the absolute value of a first difference value between the initial environmental wind data and the plurality of environmental wind data is determined, or the absolute value of a second difference value between two adjacent environmental wind speed data is determined, whether the carbon dioxide collecting module reaches a saturated collecting state is judged according to the absolute value of the first difference value or the absolute value of the second difference value, so that the concentration of the carbon dioxide absorbed by the filter element is judged, and the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide is accurately controlled, for example, the filter element is controlled to release the adsorbed carbon dioxide, so that the reuse of the filter element is realized.
A computer-readable storage medium of the present embodiment, on which a control program of a carbon dioxide collecting apparatus is stored, which when executed by a processor implements the control method of the carbon dioxide collecting apparatus as in the above-described embodiments, is described below.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A method of controlling a carbon dioxide collection device, the carbon dioxide collection device including a filter element for absorbing carbon dioxide, the method comprising:
when the filter element absorbs carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval;
determining an absolute value of a first difference value of the environmental wind data and the initial environmental wind data, or an absolute value of a second difference value of two adjacent times of environmental wind data;
and controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference.
2. The control method of a carbon dioxide collecting device according to claim 1, wherein controlling the operating state of the carbon dioxide collecting device in accordance with the absolute value of the first difference or the absolute value of the second difference comprises:
if the absolute value of the first difference is greater than or equal to a first preset difference, or,
and when the absolute value of the second difference is smaller than or equal to a second preset difference, controlling the carbon dioxide collecting device to release the absorbed carbon dioxide.
3. The method for controlling a carbon dioxide collecting device according to claim 2, wherein controlling the carbon dioxide collecting device to release the absorbed carbon dioxide comprises:
and controlling a heating device to be started to heat the filter element so as to release the carbon dioxide.
4. The method for controlling a carbon dioxide collecting device according to claim 3, further comprising, before controlling the heating device to be turned on: and controlling the filter element to move to a release area and controlling the exhaust fan to be started.
5. The method for controlling a carbon dioxide collecting device according to claim 3, further comprising, after controlling the heating device to be turned on to heat the filter element:
acquiring a first temperature value of the filter element;
judging whether the first temperature value reaches a target temperature threshold value, wherein the target temperature threshold value is the difference value between a preset filter element release temperature threshold value and a preset temperature return difference value;
if so, controlling the heating device and/or the exhaust fan to maintain the first temperature at the target temperature threshold, otherwise, controlling the heating device to continuously heat the filter element until the first temperature reaches the target temperature threshold.
6. The method for controlling a carbon dioxide collecting device according to claim 2, further comprising, after controlling the carbon dioxide collecting device to release the carbon dioxide:
when the filter element releases carbon dioxide, acquiring a plurality of environmental wind data passing through the filter element according to the preset time interval;
calculating an absolute value of a third difference value of the environment wind data and the initial environment wind data, or calculating an absolute value of a fourth difference value of the two adjacent environment wind data;
when the absolute value of the third difference is greater than or equal to the first preset difference, or,
and when the absolute value of the fourth difference is smaller than or equal to the second preset difference, the heating device is closed, so that the carbon dioxide collecting device stops releasing the carbon dioxide.
7. The method for controlling a carbon dioxide collecting device according to claim 6, further comprising, after controlling the carbon dioxide collecting device to stop releasing the carbon dioxide:
acquiring a second temperature value of the filter element;
judging whether the second temperature value is smaller than a preset safety value or not;
if so, controlling the exhaust fan to be closed, otherwise, controlling the exhaust fan to be continuously opened until the second temperature is lower than the preset safety value.
8. A control device for a carbon dioxide collecting device, comprising:
the acquisition module is used for acquiring a plurality of environmental wind data passing through the filter element according to a preset time interval when the filter element absorbs carbon dioxide;
the determining module is used for determining the absolute value of a first difference value of the environment wind data and the initial environment wind data or the absolute value of a second difference value of two adjacent environment wind data;
and the control module is used for controlling the working state of the carbon dioxide collecting device according to the absolute value of the first difference or the absolute value of the second difference.
9. An air conditioner, comprising:
control means for the carbon dioxide collecting apparatus according to claim 8; or
A processor, a memory and a control program for a carbon dioxide collection device stored on the memory and executable on the processor, the control program for a carbon dioxide collection device when executed by the processor implementing a method of controlling a carbon dioxide collection device according to any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a control program of a carbon dioxide collecting apparatus is stored on the computer-readable storage medium, and when executed by a processor, implements the control method of the carbon dioxide collecting apparatus according to any one of claims 1 to 7.
CN202111152712.1A 2021-09-29 2021-09-29 Control method and device of carbon dioxide collecting device, air conditioner and storage medium Pending CN113865026A (en)

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Citations (6)

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JP2005233484A (en) * 2004-02-18 2005-09-02 Sanyo Electric Co Ltd Air conditioner
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CN205594391U (en) * 2016-04-30 2016-09-21 辽宁科技学院 Filter equipment with filter element service life can be judged and replaced function is reminded
CN111735114A (en) * 2020-06-16 2020-10-02 森垚能源科技（上海）有限公司 Energy-saving purification device based on internal circulation, air conditioning system and control method of energy-saving purification device
CN113227661A (en) * 2018-12-28 2021-08-06 三星电子株式会社 Air conditioning apparatus and control method thereof
CN113294889A (en) * 2021-05-24 2021-08-24 青岛海尔空调电子有限公司 Combined air conditioning system and control mode thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005233484A (en) * 2004-02-18 2005-09-02 Sanyo Electric Co Ltd Air conditioner
CN204787074U (en) * 2015-06-16 2015-11-18 杨志荣 Air purification equipment of amount of wind control can carry out
CN205594391U (en) * 2016-04-30 2016-09-21 辽宁科技学院 Filter equipment with filter element service life can be judged and replaced function is reminded
CN113227661A (en) * 2018-12-28 2021-08-06 三星电子株式会社 Air conditioning apparatus and control method thereof
CN111735114A (en) * 2020-06-16 2020-10-02 森垚能源科技（上海）有限公司 Energy-saving purification device based on internal circulation, air conditioning system and control method of energy-saving purification device
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