CN113865027A - 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
CN113865027A
CN113865027A CN202111155636.XA CN202111155636A CN113865027A CN 113865027 A CN113865027 A CN 113865027A CN 202111155636 A CN202111155636 A CN 202111155636A CN 113865027 A CN113865027 A CN 113865027A
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carbon dioxide
filter element
difference
controlling
absolute value
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张新宇
王奇伟
张凤娇
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Hisense Shandong Air Conditioning Co Ltd
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Hisense Shandong Air Conditioning Co Ltd
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Priority to CN202111155636.XA priority Critical patent/CN113865027A/en
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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
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • 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)
  • Fluid Mechanics (AREA)
  • Ventilation (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 the weight of the filter element according to a preset time interval; determining the absolute value of a first difference value between the weight of the filter element and the initial weight of the filter element, or the absolute value of a second difference value between the weights of two adjacent filter elements; 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 invention can effectively reduce the concentration of indoor carbon dioxide by absorbing the indoor carbon dioxide based on the carbon dioxide collecting device, obtains the weight of the filter element according to the preset time interval when the filter element absorbs the carbon dioxide, and judges whether the carbon dioxide collecting module reaches the saturation state according to the absolute value of the first difference value or the absolute value of the second difference value, thereby accurately controlling the working state of the carbon dioxide collecting device, for example, controlling the filter element to release the absorbed carbon dioxide, so as to realize the repeated use of the filter element.

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 rises, and the concentration 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.
To this end, an object of the present invention is to provide a method for controlling a carbon dioxide collecting device, the method can effectively reduce the concentration of the indoor carbon dioxide by absorbing the indoor carbon dioxide based on the carbon dioxide collecting device, and when the filter element absorbs the carbon dioxide, acquiring the weight of the filter element according to a preset time interval, determining the absolute value of a first difference value between the weight of the filter element and the initial weight of the filter element, or, determining the absolute value of a second difference value of the weights of the two adjacent filter elements, judging whether the carbon dioxide collection module reaches a saturated collection state 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 elements, therefore, the absorption of the carbon dioxide collecting device or the working state of releasing carbon dioxide can be accurately controlled, for example, the filter element is controlled to release the absorbed carbon dioxide, so that the filter element can be repeatedly used.
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 the weight of the filter element according to a preset time interval; determining the absolute value of a first difference value of the weight of the filter element and the initial weight of the filter element, or the absolute value of a second difference value of the weights of the two adjacent filter elements; 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 in 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, the weight of the filter element is obtained according to the preset time interval, the absolute value of the first difference between the weight of the filter element and the initial weight of the filter element is determined, or the absolute value of the second difference between the weights of the two adjacent filter elements is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference or the absolute value of the second difference, so as to judge the concentration of the carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide, such as controlling the filter element to release the absorbed carbon dioxide, so as to realize the reuse of the filter element.
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 weight difference, or the absolute value of the second difference is less than or equal to a second preset weight 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 preset carbon dioxide release area, and controlling an exhaust fan to be started so as to blow air to the filter element.
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 the weight of the filter element according to the preset time interval; calculating the absolute value of a third difference value between the weight of the filter element and the initial weight of the filter element, or calculating the absolute value of a fourth difference value between the weights of the two adjacent filter elements; and when the absolute value of the third difference is greater than or equal to the third preset weight difference, or the absolute value of the fourth difference is less than or equal to the fourth preset weight difference, closing 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 the weight of 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 weight of the filter element and the initial weight of the filter element or the absolute value of a second difference value of the weights of two adjacent filter elements; 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 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 filter element absorbs the carbon dioxide, the weight of the filter element is obtained according to the preset time interval, the absolute value of the first difference between the weight of the filter element and the initial weight of the filter element is determined, or the absolute value of the second difference between the weights of the two adjacent filter elements is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference or the absolute value of the second difference, so as to judge the concentration of the carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide, such as controlling the filter element to release the absorbed carbon dioxide, so as to realize the reuse of the filter element.
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 of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, can effectively reduce the concentration of indoor carbon dioxide, ensure that the indoor carbon dioxide is in proper concentration, improve the comfort, and when the filter element absorbs the carbon dioxide, acquiring the weight of the filter element according to a preset time interval, determining the absolute value of a first difference value between the weight of the filter element and the initial weight of the filter element, or, determining the absolute value of a second difference value of the weights of the two adjacent filter elements, judging whether the carbon dioxide collection module reaches a saturated collection state 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 elements, therefore, the absorption of the carbon dioxide collecting device or the working state of releasing carbon dioxide can be accurately controlled, for example, the filter element is controlled to release the absorbed carbon dioxide, so that the filter element can be repeatedly used.
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 flow chart of a method of controlling a carbon dioxide collection device according to an embodiment of the present invention;
fig. 3 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 and 2, 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, acquiring the weight of the filter element according to a preset time interval when the filter element absorbs the carbon dioxide.
In the embodiment, during the operation of the air conditioner, the concentration value of carbon dioxide in the indoor air is detected, when the concentration value of carbon dioxide in the indoor air reaches a preset concentration threshold value, the content of carbon dioxide in the indoor air is considered to be overproof, and at the moment, the carbon dioxide in the indoor air is absorbed by the carbon dioxide collecting device so as to reduce the concentration of carbon dioxide in the indoor air.
Specifically, since the weight of the filter element gradually increases with time when the filter element absorbs carbon dioxide, the weight of the filter element is acquired at predetermined time intervals, for example, at t1 intervals, the weight of the filter element is recorded as M, and the acquired weights of the filter elements are M with time2、M3And MNAnd the like.
Step S2, an absolute value of a first difference between the weight of the filter element and the initial weight of the filter element, or an absolute value of a second difference between the weights of two adjacent filter elements is determined.
In an embodiment, the initial weight of the filter element is the weight of the filter element that first absorbs carbon dioxide, e.g., denoted as Ma. After obtaining the weight of the filter element for different time intervals, determining the difference between the weight of the filter element and the initial weight of the filter element, e.g. calculating M2-MaDifference of (D), M3-MaDifference and MN-MaAnd the absolute value of the difference between the two is taken as the absolute value of the first difference, which is recorded as Δ M, for example1。
Alternatively, the absolute value of the difference between the weights of two adjacent filter elements, the weight of two adjacent filter elements being the absolute value of the difference between the weights of two adjacent filter elements, is determined, for example, by calculating M2-M1Difference of (D), M3-M2And calculating MN-MN-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 m, for example1. By determining the absolute value Δ M of the first difference1Or the absolute value Δ m of the second difference1So as to be dependent on the absolute value Δ M of the first difference1Or the absolute value Δ m of the second difference1And 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 Δ M of the first difference is determined1Absolute value Δ m of the second difference1Then, the absolute value Δ M of the first difference is calculated1Or the absolute value of the second difference Δ m1And comparing the weight difference value with the pre-stored preset weight difference value corresponding to each other, so as to judge whether the carbon dioxide collecting device is started and releases carbon dioxide, and further realize the control of carbon dioxide release.
According to the control method of the carbon dioxide collecting device in 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, the weight of the filter element is obtained according to the preset time interval, the absolute value of the first difference between the weight of the filter element and the initial weight of the filter element is determined, or the absolute value of the second difference between the weights of the two adjacent filter elements is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference or the absolute value of the second difference, so as to judge the concentration of the carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide, such as controlling the filter element to release the absorbed carbon dioxide, so as to realize the reuse of the filter element.
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 weight difference, or the absolute value of the second difference is less than or equal to a second preset weight difference, controlling the carbon dioxide collecting device to release the absorbed carbon dioxide.
In an embodiment, the first predetermined weight difference is, for example, Δ MIs provided withThe second predetermined weight difference is, for example, Δ mIs provided withDetermining the absolute value Δ M of the first difference1Or the absolute value of the second difference Δ m1Then comparing the first differenceAbsolute value Δ M1Difference Δ M from a first predetermined weightIs provided withOr, comparing the absolute value Δ m of the second difference1Difference Δ m from the second predetermined weightIs provided withWhen the absolute value of the first difference Δ M1Greater than or equal to a first preset weight difference Δ MIs provided withI.e. Δ M1≥ΔMIs provided withOr, when the absolute value of the second difference Δ m1Less than or equal to a second preset weight difference value DeltamIs provided withI.e. Δ m1≤ΔmIs 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 Δ M of the first difference1Difference Δ M from a first predetermined weightIs provided withOr, determining the absolute value Δ m of the second difference1Difference Δ m from the second predetermined weightIs provided withWhether the carbon dioxide collection module reaches the saturation state is judged, and the absolute value delta M of the first difference value is obtained1Greater than or equal to a first preset weight difference Δ MIs provided withOr, the absolute value Δ m of the second difference1Less than or equal to a second preset weight difference value DeltamIs 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 preset carbon dioxide release area, and controlling the exhaust fan to be started so as to blow air to the filter element. Specifically, when the filter core collects carbon dioxide saturation, the filter core is controlled through the motion module to move the filter core to a preset carbon dioxide 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 preset filter element 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 withWhen the temperature of the filter element is kept at the target temperature threshold value, the heating device and/or the exhaust fan are controlled to keep the filter element at the target temperature threshold value, wherein the air speed of the exhaust fan can be properly adjusted by controlling the filter element to keep the filter element at the target temperature threshold value, orTherefore, 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 the weight of the filter element according to a preset time interval; calculating the absolute value of a third difference value between the weight of the filter element and the initial weight of the filter element, or calculating the absolute value of a fourth difference value between the weights of the two adjacent filter elements; and when the absolute value of the third difference is greater than or equal to the first preset weight difference, or the absolute value of the fourth difference is less than or equal to the second preset weight difference, the heating device is closed, so that the carbon dioxide collecting device stops releasing the carbon dioxide.
In an embodiment, when the filter element releases carbon dioxide, the weight M of the filter element passing through the filter element is obtained at preset time intervals, for example, every t1, and the obtained weight M of the filter element and the initial weight M of the filter element are calculatedaThe absolute value of the difference between them, and the absolute value of the difference between them as the absolute value of the third difference, e.g. noted as Δ M2And comparing the absolute value of the third difference Δ M2Difference Δ M from a first predetermined weightIs provided withIn the magnitude relation of the third difference, the absolute value Δ M2Greater than or equal to a first predetermined weight difference, i.e., Δ M2≥ΔMIs provided withWhen the carbon dioxide is released, the filter element is considered to be finished; or, the absolute value of the difference between the weights of two adjacent filter elements is calculated and the absolute value of the difference between the two is taken as the absolute value of the fourth difference, and is recorded as Δ m2And comparing the absolute value of the fourth difference with a second predetermined weight difference Δ mIs provided withIn the magnitude relation between, and the absolute value of the fourth difference Δ m2Less than or equal to a second preset weight difference value DeltamIs provided withI.e. Δ m2≤ΔmIs provided withWhen the carbon dioxide is released, the filter element is considered to be finished; if the absolute value of the third difference Δ M2Less than a first predetermined weight difference Δ MIs provided withAnd the absolute value of the fourth difference Δ m2Greater than a second predetermined weight difference Δ mIs provided withAnd controlling the filter element to continuously release the carbon dioxide when the carbon dioxide of the filter element is not released completely. And judging whether the filter element finishes the release of the carbon dioxide or not by judging the magnitude relation between the absolute value of the third difference and the first preset weight difference or judging the magnitude relation between the absolute value of the fourth difference and the second preset weight difference so as to accurately control the working state of the carbon dioxide collecting 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. 2, 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. 2.
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, the weight of the filter element is acquired at preset time intervals, and step S15 or step S16 is executed.
Step S15, determining whether an absolute value of a first difference between the weight of the filter element and the initial weight of the filter element is greater than or equal to a first preset weight difference, if so, executing step S17; if not, go to step S14.
Step S16, judging whether the absolute value of a second difference value of the weights of the two adjacent filter elements is less than or equal to a second preset weight 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.
And step S25, acquiring the weight of the filter element according to a preset time interval.
Step S26, determining whether an absolute value of a third difference between the weight of the filter element and the initial weight of the filter element is greater than or equal to a first preset weight 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 weights of two adjacent filter elements is less than or equal to a second preset weight 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 in 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, the weight of the filter element is obtained according to the preset time interval, the absolute value of the first difference between the weight of the filter element and the initial weight of the filter element is determined, or the absolute value of the second difference between the weights of the two adjacent filter elements is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference or the absolute value of the second difference, so as to judge the concentration of the carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device for absorbing or releasing the carbon dioxide, such as controlling the filter element to release the absorbed carbon dioxide, so as to realize the reuse of the filter element.
The control device of the carbon dioxide collecting device of the embodiment of the present invention is described below.
As shown in fig. 3, 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 the weight of the 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 weight of the filter element and the initial weight of the filter element, or an absolute value of a second difference between the weights of two adjacent filter elements; the control module 22 is configured to control the operation state of the carbon dioxide collection 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, the weight of the filter element is obtained according to the preset time interval, the absolute value of the first difference between the weight of the filter element and the initial weight of the filter element is determined, or the absolute value of the second difference between the weights of the two adjacent filter elements is determined, whether the carbon dioxide collecting module reaches the saturated collecting state is judged according to the absolute value of the first difference or the absolute value of the second difference, so as to judge the concentration of the carbon dioxide absorbed by the filter element, thereby accurately controlling the working state of the carbon dioxide collecting device absorbing or releasing the carbon dioxide, such as controlling the filter element to release the absorbed carbon dioxide, so as to realize the reuse of the filter element.
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 of the embodiment of the invention, based on the carbon dioxide collecting device absorbing the indoor carbon dioxide, can effectively reduce the concentration of indoor carbon dioxide, ensure that the indoor carbon dioxide is in proper concentration, improve the comfort, and when the filter element absorbs the carbon dioxide, acquiring the weight of the filter element according to a preset time interval, determining the absolute value of a first difference value between the weight of the filter element and the initial weight of the filter element, or, determining the absolute value of a second difference value of the weights of the two adjacent filter elements, judging whether the carbon dioxide collection module reaches a saturated collection state 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 elements, therefore, the absorption of the carbon dioxide collecting device or the working state of releasing carbon dioxide can be accurately controlled, for example, the filter element is controlled to release the absorbed carbon dioxide, so that the filter element can be repeatedly used.
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 the weight of the filter element according to a preset time interval;
determining the absolute value of a first difference value of the weight of the filter element and the initial weight of the filter element, or the absolute value of a second difference value of the weights of the two adjacent filter elements;
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 weight difference, or,
and when the absolute value of the second difference is less than or equal to a second preset weight 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 preset carbon dioxide release area, and controlling an exhaust fan to be started so as to blow air to the filter element.
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;
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 the weight of the filter element according to the preset time interval;
calculating the absolute value of a third difference value between the weight of the filter element and the initial weight of the filter element, or calculating the absolute value of a fourth difference value between the weights of the two adjacent filter elements;
when the absolute value of the third difference is greater than or equal to the first preset weight difference, or,
and when the absolute value of the fourth difference is less than or equal to the second preset weight 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 the weight of 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 weight of the filter element and the initial weight of the filter element or the absolute value of a second difference value of the weights of two adjacent filter elements;
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.
CN202111155636.XA 2021-09-29 2021-09-29 Control method and device of carbon dioxide collecting device, air conditioner and storage medium Pending CN113865027A (en)

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Citations (3)

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CN1113541A (en) * 1994-04-01 1995-12-20 松下电器产业株式会社 Waste gas treating apparatus
KR101875488B1 (en) * 2018-03-22 2018-07-06 윤홍익 Method and system for automatic controlling of air conditioner by using an artificial intelligence
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Publication number Priority date Publication date Assignee Title
CN1113541A (en) * 1994-04-01 1995-12-20 松下电器产业株式会社 Waste gas treating apparatus
KR101875488B1 (en) * 2018-03-22 2018-07-06 윤홍익 Method and system for automatic controlling of air conditioner by using an artificial intelligence
CN113405227A (en) * 2021-06-09 2021-09-17 海信（山东）空调有限公司 Method and device for adjusting indoor carbon dioxide concentration and air conditioner

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Application publication date: 20211231