CN113932403A - Air conditioner and control method - Google Patents
Air conditioner and control method Download PDFInfo
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- CN113932403A CN113932403A CN202010675899.2A CN202010675899A CN113932403A CN 113932403 A CN113932403 A CN 113932403A CN 202010675899 A CN202010675899 A CN 202010675899A CN 113932403 A CN113932403 A CN 113932403A
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- air conditioner
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- 238000000034 method Methods 0.000 title claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 178
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 89
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 88
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 88
- 229910052760 oxygen Inorganic materials 0.000 claims description 88
- 239000001301 oxygen Substances 0.000 claims description 88
- 239000008280 blood Substances 0.000 claims description 86
- 210000004369 blood Anatomy 0.000 claims description 86
- 239000003507 refrigerant Substances 0.000 claims description 54
- 239000007789 gas Substances 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 108010064719 Oxyhemoglobins Proteins 0.000 abstract description 8
- 230000036541 health Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 208000002173 dizziness Diseases 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 108010054147 Hemoglobins Proteins 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 2
- 208000001871 Tachycardia Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
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- 239000007788 liquid Substances 0.000 description 2
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- 208000024891 symptom Diseases 0.000 description 2
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- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 230000035565 breathing frequency Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/20—Feedback from users
-
- 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
Abstract
The invention discloses an air conditioner and a control method, wherein a controller of the air conditioner is configured to receive a control instruction sent by a user and enable the air conditioner to enter a first preset operation mode based on the control instruction; according to the carbon dioxide concentration that carbon dioxide concentration sensor sent with the oxyhemoglobin saturation control that user's wearable equipment sent the air conditioner to more accurate air-out to the air conditioner is controlled, has improved the air-out control efficiency of air conditioner, has promoted user experience.
Description
Technical Field
The present disclosure relates to the field of air conditioner control, and more particularly, to an air conditioner and a control method.
Background
With the increasing improvement of the living standard of the masses, people pay more attention to their health conditions, the requirements on living environment are higher and higher, and the air quality is more emphasized; the oxyhemoglobin saturation can directly reflect the health degree of a human body as an important parameter of a human body respiratory system, and along with the continuous upgrade of intelligent wearable products, more and more intelligent wearable products can also monitor the data of the parameter.
If a human body is in a closed environment for a long time, along with the increase of time and the increase of breathing frequency, the oxygen content in the air is lower and lower, the carbon dioxide concentration is higher and higher, the blood oxygen saturation of the human body is reduced, and particularly, when the human body is in a static state such as sleep and the like, the blood oxygen saturation amount is lower for a long time, dizziness, oxygen deficiency and tachycardia can be caused, syncope is caused seriously, and the life and the health of the human body are threatened.
In the prior art, the air outlet of the air conditioner is generally controlled by the carbon dioxide concentration acquired by a carbon dioxide concentration sensor, and the fresh air function of the air conditioner cannot be timely and accurately started under the condition of low blood oxygen saturation because the blood oxygen saturation of a human body is not considered, so that the health of a user is influenced; the high fresh air speed is still kept under the condition of high blood oxygen saturation, and the power consumption of the air conditioner is increased.
Therefore, how to provide an air conditioner capable of controlling the outlet air more accurately is a technical problem to be solved at present.
Disclosure of Invention
The embodiment of the invention provides an air conditioner, which is used for solving the technical problem that in the prior art, due to the fact that the degree of blood oxygen saturation of a human body is not considered, the air outlet of the air conditioner cannot be accurately controlled, and user experience is influenced.
In some embodiments, the air conditioner includes:
the refrigerant circulation loop circulates the refrigerant in a loop formed by the compressor, the condenser, the expansion valve, the evaporator, the four-way valve and the pressure reducer;
the compressor is used for compressing low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure refrigerant gas and discharging the high-temperature and high-pressure refrigerant gas to the condenser;
an outdoor heat exchanger and an indoor heat exchanger, wherein one of the heat exchangers operates as a condenser and the other operates as an evaporator;
an indoor fan for introducing airflow through the suction inlet and sending the airflow out through the outlet after passing through the indoor heat exchanger;
the fresh air fan is used for providing outdoor fresh air for the indoor space;
a carbon dioxide concentration sensor for detecting a carbon dioxide concentration of the indoor space;
the controller is configured to include:
receiving a control instruction sent by a user, and enabling the air conditioner to enter a first preset operation mode based on the control instruction, wherein the first preset operation mode comprises that the indoor fan operates according to a first preset air speed and the fresh air fan is in a stop state;
controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user.
In some embodiments, the controller is further configured to:
sending a request for acquiring the blood oxygen saturation level to the wearable device, and receiving instruction information sent by the user according to the request;
and if the instruction information is a first instruction for agreeing to obtain the blood oxygen saturation, receiving the blood oxygen saturation based on the first instruction.
In some embodiments, the controller is further specifically configured to:
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is larger than a preset standard value, controlling the air conditioner based on the first preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a second preset operation mode;
if the carbon dioxide concentration is greater than the second preset threshold value and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a third preset operation mode;
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is smaller than a preset standard value, controlling the air conditioner based on a fourth preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is less than the preset standard value, controlling the air conditioner based on a third preset operation mode;
and if the concentration of the carbon dioxide is greater than the second preset threshold value and the oxygen saturation degree of the blood is less than the preset standard value, controlling the air conditioner based on a fifth preset operation mode.
In some embodiments, the second preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a first preset fresh air speed, the third preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a second preset fresh air speed, the fourth preset operation mode includes that the indoor fan operates at the second preset wind speed and the fresh air fan operates at the first preset fresh air speed, and the fifth preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a third preset fresh air speed;
the first preset wind speed is smaller than the second preset wind speed, the first preset fresh air speed is smaller than the second preset fresh air speed, and the second preset fresh air speed is smaller than the third preset fresh air speed.
In some embodiments, the controller is further configured to:
determining the operation time of the air conditioner according to the first preset operation mode;
if the operation time length is less than a first time length threshold value, controlling the air conditioner based on the first preset operation mode;
and if the operation time length is greater than a second time length threshold value, starting the fresh air fan or keeping the fresh air fan in an operation state.
Corresponding to the air conditioner in the embodiment of the application, the embodiment of the application also provides a control method of the air conditioner, the method is applied to the air conditioner comprising a refrigerant circulation loop, a compressor, an outdoor heat exchanger, an indoor fan, a fresh air fan, a carbon dioxide concentration sensor and a controller,
in some embodiments, the method comprises:
receiving a control instruction sent by a user, and enabling the air conditioner to enter a first preset operation mode based on the control instruction, wherein the first preset operation mode comprises that the indoor fan operates according to a first preset air speed and the fresh air fan is in a stop state;
controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user.
In some embodiments, before controlling the air conditioner according to the carbon dioxide concentration transmitted by the carbon dioxide concentration sensor and the blood oxygen saturation transmitted by the wearable device of the user, the method further comprises:
sending a request for acquiring the blood oxygen saturation level to the wearable device, and receiving instruction information sent by the user according to the request;
and if the instruction information is a first instruction for agreeing to obtain the blood oxygen saturation, receiving the blood oxygen saturation based on the first instruction.
In some embodiments, the air conditioner is controlled according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user, specifically:
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is larger than a preset standard value, controlling the air conditioner based on the first preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a second preset operation mode;
if the carbon dioxide concentration is greater than the second preset threshold value and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a third preset operation mode;
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is smaller than a preset standard value, controlling the air conditioner based on a fourth preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is less than the preset standard value, controlling the air conditioner based on a third preset operation mode;
and if the concentration of the carbon dioxide is greater than the second preset threshold value and the oxygen saturation degree of the blood is less than the preset standard value, controlling the air conditioner based on a fifth preset operation mode.
In some embodiments, the second preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a first preset fresh air speed, the third preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a second preset fresh air speed, the fourth preset operation mode includes that the indoor fan operates at the second preset wind speed and the fresh air fan operates at the first preset fresh air speed, and the fifth preset operation mode includes that the indoor fan operates at the first preset wind speed and the fresh air fan operates at a third preset fresh air speed;
the first preset wind speed is smaller than the second preset wind speed, the first preset fresh air speed is smaller than the second preset fresh air speed, and the second preset fresh air speed is smaller than the third preset fresh air speed.
In some embodiments, after the air conditioner is brought into the first preset operation mode based on the control instruction, the method further includes:
determining the operation time of the air conditioner according to the first preset operation mode;
if the operation time length is less than a first time length threshold value, controlling the air conditioner based on the first preset operation mode;
and if the operation time length is greater than a second time length threshold value, starting the fresh air fan or keeping the fresh air fan in an operation state.
By applying the technical scheme, the controller of the air conditioner is configured to receive a control instruction sent by a user, and the air conditioner enters a first preset operation mode based on the control instruction; according to the carbon dioxide concentration that carbon dioxide concentration sensor sent with the oxyhemoglobin saturation control that user's wearable equipment sent the air conditioner to more accurate air-out to the air conditioner is controlled, has improved the air-out control efficiency of air conditioner, has promoted user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a circuit diagram schematically showing the configuration of an air conditioner according to the embodiment.
Fig. 2 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.
Description of the reference symbols
1: an air conditioner; 2: an outdoor unit; 3: an indoor unit; 10: a refrigerant circuit; 11: a compressor; 12: a four-way valve; 13: an outdoor heat exchanger;
14: an expansion valve; 16: an indoor heat exchanger; 21: an outdoor fan; 31: an indoor fan; 32: an indoor temperature sensor; 33: indoor heat exchanger temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
Fig. 1 shows a circuit configuration of an air conditioner 1, and the air conditioner 1 includes a refrigerant circuit 10, and is capable of executing a vapor compression refrigeration cycle by circulating a refrigerant in the refrigerant circuit 10. The indoor unit 3 and the outdoor unit 2 are connected by a connecting pipe 4 to form a refrigerant circuit 10 in which a refrigerant circulates. The refrigerant circuit 10 includes a compressor 11, an outdoor heat exchanger 13, an expansion valve 14, an accumulator 15, and an indoor heat exchanger 16. Among them, the indoor heat exchanger 16 and the outdoor heat exchanger 13 operate as a condenser or an evaporator. The compressor 11 sucks the refrigerant from the suction port, and discharges the refrigerant compressed therein to the indoor heat exchanger 16 from the discharge port. The compressor 11 is an inverter compressor with variable capacity that performs rotational speed control by an inverter, and the four-way valve 12 switches between heating and cooling.
The outdoor heat exchanger 13 has a first inlet and a second outlet for allowing the refrigerant to flow between the refrigerant and the suction port of the compressor 11 through the accumulator 15, and the refrigerant flows between the refrigerant and the expansion valve 14. The outdoor heat exchanger 13 exchanges heat between the outdoor air and the refrigerant flowing through a heat transfer pipe (not shown) connected between the second inlet and the first inlet of the outdoor heat exchanger 13.
The expansion valve 14 is disposed between the outdoor heat exchanger 13 and the indoor heat exchanger 16. The expansion valve 14 has a function of expanding and decompressing the refrigerant flowing between the outdoor heat exchanger 13 and the indoor heat exchanger 16. The expansion valve 14 is configured to be capable of changing the opening degree, and by decreasing the opening degree, the flow path resistance of the refrigerant passing through the expansion valve 14 is increased, and by increasing the opening degree, the flow path resistance of the refrigerant passing through the expansion valve 14 is decreased. The expansion valve 14 expands and decompresses the refrigerant flowing from the indoor heat exchanger 16 to the outdoor heat exchanger 13 during the heating operation. Further, even if the states of other devices installed in the refrigerant circuit 10 do not change, when the opening degree of the expansion valve 14 changes, the flow rate of the refrigerant flowing in the refrigerant circuit 10 changes.
The indoor heat exchanger 16 has a second inlet and outlet for allowing the liquid refrigerant to flow between the expansion valve 14 and the indoor heat exchanger, and has a first inlet and outlet for allowing the gas refrigerant to flow between the compressor 11 and the discharge port. The indoor heat exchanger 16 exchanges heat between the refrigerant flowing through the heat transfer pipe connected between the second inlet and the first inlet and the second outlet of the indoor heat exchanger 16 and the indoor air.
An accumulator 15 is disposed between the outdoor heat exchanger 13 and the suction port of the compressor 11. In the accumulator 15, the refrigerant flowing from the outdoor heat exchanger 13 to the compressor 11 is separated into a gas refrigerant and a liquid refrigerant. Then, the gas refrigerant is mainly supplied from the accumulator 15 to the suction port of the compressor 11.
The outdoor unit 2 further includes an outdoor fan 21, and the outdoor fan 21 generates an airflow of outdoor air passing through the outdoor heat exchanger 13 to promote heat exchange between the refrigerant flowing through the heat transfer tubes and the outdoor air. The outdoor fan 21 is driven by an outdoor fan motor 21A capable of changing the rotation speed. The indoor unit 3 further includes an indoor fan 31, and the indoor fan 31 generates an airflow of the indoor air passing through the indoor heat exchanger 16 to promote heat exchange between the refrigerant flowing through the heat transfer tubes and the indoor air. The indoor fan 31 is driven by an indoor fan motor 31A whose rotation speed can be changed.
Blood oxygen saturation (letter code SaO 2): blood oxygen saturation is the percentage of the volume of oxygenated hemoglobin bound by oxygen in the blood to the total available hemoglobin volume, i.e., the concentration of blood oxygen in the blood, and is an important physiological parameter in the respiratory circulation. Whether the human body is healthy or not can be reflected by the blood oxygen saturation, and the people with low blood oxygen saturation can have symptoms of shortness of breath, insufficient energy supply, fatigue and the like.
Concentration of carbon dioxide: according to data detected by the carbon dioxide concentration sensor of the air conditioner body, when the carbon dioxide concentration is high, the human body can have symptoms such as suffocation, dizziness and the like, and the high carbon dioxide concentration can cause the reduction of the blood oxygen saturation.
As described in the background art, in the prior art, since the blood oxygen saturation of the human body is not considered, the air outlet of the air conditioner cannot be accurately controlled, and the user experience is affected.
In the embodiment of the application, the wearable device which is worn by the controller and a user body and can detect the degree of blood oxygen saturation of the human body is communicated to obtain the degree of blood oxygen saturation of the user, and the carbon dioxide concentration in a room is detected and obtained through the carbon dioxide concentration sensor, and after the air conditioner enters a first preset operation mode and is preset for a long time, if the air conditioner is in a sleep operation mode, the air conditioner controls the air outlet of the air conditioner more accurately, so that the air outlet control efficiency of the air conditioner is improved, and the user experience is improved.
The control logic of the controller is as follows:
the user starts (can start with remote controller and software APP) to set up the sleep function, the controller passes through the suggestion of software APP, inquires whether the user authorizes the controller to obtain the oxyhemoglobin saturation data that wearable equipment collected, and the user agrees the back, and the air conditioner gets into the sleep control mode, and the initial state of sleep control mode can be for indoor fan with lower wind speed operation, and new trend fan is at the stop state. And controlling the indoor fan and the fresh air fan according to the blood oxygen saturation of the user and the carbon dioxide concentration detected by the carbon dioxide concentration sensor of the air conditioner.
No matter the operation mode is cooling or heating, after the air conditioner enters the sleep control mode and exceeds a first time length threshold value or the compressor is started and exceeds the first time length threshold value, the control is carried out according to the table 1, wherein T is a medical recommended health blood oxygen saturation value, and if the user does not agree to obtain blood oxygen saturation degree data, the air conditioner still operates according to a preset sleep operation mode.
Table 1:
and when the sleep operation mode operation time length is greater than the second time length threshold value, the detected values of CO2 and SaO2 are not considered, and the fresh air fan is forcibly started or kept in an operation state until the user manually cancels the sleep operation mode.
By applying the technical scheme, the controller of the air conditioner is configured to receive a control instruction sent by a user, and the air conditioner enters a first preset operation mode based on the control instruction; according to the carbon dioxide concentration that carbon dioxide concentration sensor sent with the oxyhemoglobin saturation control that user's wearable equipment sent the air conditioner to more accurate air-out to the air conditioner is controlled, has improved the air-out control efficiency of air conditioner, has promoted user experience.
Corresponding to the air conditioner in the embodiment of the present application, the embodiment of the present application further provides a control method of an air conditioner, which is applied to an air conditioner including a refrigerant circulation loop, a compressor, an outdoor heat exchanger, an indoor fan, a fresh air fan, a carbon dioxide concentration sensor, and a controller, and the method includes:
step S201, receiving a control instruction sent by a user, and enabling the air conditioner to enter a first preset operation mode based on the control instruction.
In this step, the first preset operation mode may be a sleep operation mode of the air conditioner itself, and since the sleep operation mode is generally used in a sleep process of a user, the first preset operation mode includes that the indoor fan operates at a first preset air speed (e.g., a low air speed) and the fresh air fan is in a stopped state, so as to ensure sleep quality of the user.
The user can send a control command for entering a first preset operation mode through the remote controller or the software APP, and the controller of the air conditioner enters the first preset operation mode after receiving the control command.
In order to perform the air outlet control more accurately, in a preferred embodiment of the present application, after the air conditioner enters the first preset operation mode based on the control instruction, the method further includes:
determining the operation time of the air conditioner according to the first preset operation mode;
if the operation time length is less than a first time length threshold value, controlling the air conditioner based on the first preset operation mode;
and if the operation time length is greater than a second time length threshold value, starting the fresh air fan or keeping the fresh air fan in an operation state.
In this step, the running time of the air conditioner according to the first preset running mode can be determined through a timer, if the running time is less than a first time threshold, the running time of the air conditioner is short, the air conditioner does not reach a completely stable state, and the control on the concentration of carbon dioxide generates a large error, so that the first preset running mode can be maintained, and the running time can also be the running time of the compressor in the first preset running mode;
if the operation time is longer than the second time threshold, the oxygen content in the air is lower and the carbon dioxide concentration is higher when the human body is in a closed environment for a long time, and the blood oxygen saturation of the human body is reduced along with the oxygen content, so that particularly when the human body is in a static state such as sleep and the like, the blood oxygen saturation of the human body for a long time is lower, dizziness, oxygen deficiency and tachycardia can be caused, syncope can be caused seriously, and the life and the health of the human body can be threatened.
Step S202, controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user.
The air conditioner is controlled according to the carbon dioxide concentration and the blood oxygen saturation degree in the step, and the accuracy of air outlet control is improved.
In order to obtain accurate blood oxygen saturation, in a preferred embodiment of the present application, before controlling the air conditioner according to the carbon dioxide concentration transmitted by the carbon dioxide concentration sensor and the blood oxygen saturation transmitted by the wearable device of the user, the method further comprises:
sending a request for acquiring the blood oxygen saturation level to the wearable device, and receiving instruction information sent by the user according to the request;
and if the instruction information is a first instruction for agreeing to obtain the blood oxygen saturation, receiving the blood oxygen saturation based on the first instruction.
In the step, the wearable device of the user has the function of detecting the blood oxygen saturation of the human body, the wearable device can be a smart watch, a smart bracelet or smart glasses and the like, the controller of the air conditioner is in communication connection with the wearable device, after the air conditioner enters a first preset operation mode, the controller of the air conditioner sends a request for acquiring the blood oxygen saturation level to the wearable device, and a user makes a corresponding selection after seeing the request displayed on the wearable device, and corresponding instruction information is returned through the wearable device, if the instruction information is a first instruction which agrees to obtain the blood oxygen saturation level, the blood oxygen saturation level is received based on the first instruction, if the instruction information is a second instruction which disagrees to obtain the blood oxygen saturation level, continuing to operate according to the first preset operation mode or receiving the concentration of the carbon dioxide and controlling the air conditioner according to the concentration of the carbon dioxide.
In order to accurately perform air outlet control, in a preferred embodiment of the present application, the air conditioner is controlled according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user, specifically:
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is larger than a preset standard value, controlling the air conditioner based on the first preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a second preset operation mode;
if the carbon dioxide concentration is greater than the second preset threshold value and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a third preset operation mode;
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is smaller than a preset standard value, controlling the air conditioner based on a fourth preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is less than the preset standard value, controlling the air conditioner based on a third preset operation mode;
and if the concentration of the carbon dioxide is greater than the second preset threshold value and the oxygen saturation degree of the blood is less than the preset standard value, controlling the air conditioner based on a fifth preset operation mode.
In this step, carry out the control of multiple operating mode according to different carbon dioxide concentration and different oxyhemoglobin saturation, improved the degree of accuracy of air-out control, in the concrete application scenario of this application, can establish different carbon dioxide concentration and different oxyhemoglobin saturation in advance and the multiple corresponding relation table of predetermineeing the operating mode, make the air conditioner get into different operating mode according to this corresponding relation table.
It should be noted that the above solution of the preferred embodiment is only a specific implementation solution proposed in the present application, and other ways of controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user all belong to the protection scope of the present application.
In order to further improve the accuracy of air-out control, in a preferred embodiment of the present application, the second preset operation mode includes that the indoor fan operates at the first preset air speed and the fresh air fan operates at the first preset fresh air speed, the third preset operation mode includes that the indoor fan operates at the first preset air speed and the fresh air fan operates at the second preset fresh air speed, the fourth preset operation mode includes that the indoor fan operates at the second preset air speed and the fresh air fan operates at the first preset fresh air speed, and the fifth preset operation mode includes that the indoor fan operates at the first preset air speed and the fresh air fan operates at the third preset fresh air speed;
the first preset wind speed is smaller than the second preset wind speed, the first preset fresh air speed is smaller than the second preset fresh air speed, and the second preset fresh air speed is smaller than the third preset fresh air speed.
By applying the technical scheme, in an air conditioner comprising a refrigerant circulation loop, a compressor, an outdoor heat exchanger, an indoor fan, a fresh air fan, a carbon dioxide concentration sensor and a controller, a control instruction sent by a user is received, and the air conditioner is enabled to enter a first preset operation mode based on the control instruction; according to the carbon dioxide concentration that carbon dioxide concentration sensor sent with the oxyhemoglobin saturation control that user's wearable equipment sent the air conditioner to more accurate air-out to the air conditioner is controlled, has improved the air-out control efficiency of air conditioner, has promoted user experience.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. An air conditioner, characterized in that the air conditioner comprises:
the refrigerant circulation loop circulates the refrigerant in a loop formed by the compressor, the condenser, the expansion valve, the evaporator, the four-way valve and the pressure reducer;
the compressor is used for compressing low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure refrigerant gas and discharging the high-temperature and high-pressure refrigerant gas to the condenser;
an outdoor heat exchanger and an indoor heat exchanger, wherein one of the heat exchangers operates as a condenser and the other operates as an evaporator;
an indoor fan for introducing airflow through the suction inlet and sending the airflow out through the outlet after passing through the indoor heat exchanger;
the fresh air fan is used for providing outdoor fresh air for the indoor space;
a carbon dioxide concentration sensor for detecting a carbon dioxide concentration of the indoor space;
the controller is configured to include:
receiving a control instruction sent by a user, and enabling the air conditioner to enter a first preset operation mode based on the control instruction, wherein the first preset operation mode comprises that the indoor fan operates according to a first preset air speed and the fresh air fan is in a stop state;
controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user.
2. The air conditioner of claim 1, wherein the controller is further configured to:
sending a request for acquiring the blood oxygen saturation level to the wearable device, and receiving instruction information sent by the user according to the request;
and if the instruction information is a first instruction for agreeing to obtain the blood oxygen saturation, receiving the blood oxygen saturation based on the first instruction.
3. The air conditioner of claim 1, wherein the controller is further specifically configured to:
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is larger than a preset standard value, controlling the air conditioner based on the first preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a second preset operation mode;
if the carbon dioxide concentration is greater than the second preset threshold value and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a third preset operation mode;
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is smaller than a preset standard value, controlling the air conditioner based on a fourth preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is less than the preset standard value, controlling the air conditioner based on a third preset operation mode;
and if the concentration of the carbon dioxide is greater than the second preset threshold value and the oxygen saturation degree of the blood is less than the preset standard value, controlling the air conditioner based on a fifth preset operation mode.
4. The air conditioner according to claim 3, wherein the second preset operation mode includes the indoor fan being operated at the first preset air speed and the fresh air fan being operated at a first preset fresh air speed, the third preset operation mode includes the indoor fan being operated at the first preset air speed and the fresh air fan being operated at a second preset fresh air speed, the fourth preset operation mode includes the indoor fan being operated at the second preset air speed and the fresh air fan being operated at the first preset fresh air speed, the fifth preset operation mode includes the indoor fan being operated at the first preset air speed and the fresh air fan being operated at a third preset fresh air speed;
the first preset wind speed is smaller than the second preset wind speed, the first preset fresh air speed is smaller than the second preset fresh air speed, and the second preset fresh air speed is smaller than the third preset fresh air speed.
5. The air conditioner of claim 1, wherein the controller is further configured to:
determining the operation time of the air conditioner according to the first preset operation mode;
if the operation time length is less than a first time length threshold value, controlling the air conditioner based on the first preset operation mode;
and if the operation time length is greater than a second time length threshold value, starting the fresh air fan or keeping the fresh air fan in an operation state.
6. A control method of an air conditioner is characterized in that the method is applied to the air conditioner comprising a refrigerant circulation loop, a compressor, an outdoor heat exchanger, an indoor fan, a fresh air fan, a carbon dioxide concentration sensor and a controller, and the method comprises the following steps:
receiving a control instruction sent by a user, and enabling the air conditioner to enter a first preset operation mode based on the control instruction, wherein the first preset operation mode comprises that the indoor fan operates according to a first preset air speed and the fresh air fan is in a stop state;
controlling the air conditioner according to the carbon dioxide concentration sent by the carbon dioxide concentration sensor and the blood oxygen saturation sent by the wearable device of the user.
7. The method of claim 6, wherein prior to controlling the air conditioner based on the carbon dioxide concentration transmitted by the carbon dioxide concentration sensor and the oxygen saturation level of blood transmitted by the wearable device of the user, the method further comprises:
sending a request for acquiring the blood oxygen saturation level to the wearable device, and receiving instruction information sent by the user according to the request;
and if the instruction information is a first instruction for agreeing to obtain the blood oxygen saturation, receiving the blood oxygen saturation based on the first instruction.
8. The method according to claim 6, characterized in that the air conditioner is controlled as a function of the carbon dioxide concentration transmitted by the carbon dioxide concentration sensor and the blood oxygen saturation transmitted by the wearable device of the user, in particular:
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is larger than a preset standard value, controlling the air conditioner based on the first preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a second preset operation mode;
if the carbon dioxide concentration is greater than the second preset threshold value and the blood oxygen saturation is greater than the preset standard value, controlling the air conditioner based on a third preset operation mode;
if the concentration of the carbon dioxide is smaller than a first preset threshold value and the oxygen saturation degree of the blood is smaller than a preset standard value, controlling the air conditioner based on a fourth preset operation mode;
if the carbon dioxide concentration is greater than the first preset threshold value and less than a second preset threshold value, and the blood oxygen saturation is less than the preset standard value, controlling the air conditioner based on a third preset operation mode;
and if the concentration of the carbon dioxide is greater than the second preset threshold value and the oxygen saturation degree of the blood is less than the preset standard value, controlling the air conditioner based on a fifth preset operation mode.
9. The method of claim 8, wherein the second predetermined operating mode comprises the indoor fan operating at the first predetermined wind speed and the fresh air fan operating at a first predetermined fresh air speed, the third predetermined operating mode comprises the indoor fan operating at the first predetermined wind speed and the fresh air fan operating at a second predetermined fresh air speed, the fourth predetermined operating mode comprises the indoor fan operating at the second predetermined wind speed and the fresh air fan operating at the first predetermined fresh air speed, the fifth predetermined operating mode comprises the indoor fan operating at the first predetermined wind speed and the fresh air fan operating at a third predetermined fresh air speed;
the first preset wind speed is smaller than the second preset wind speed, the first preset fresh air speed is smaller than the second preset fresh air speed, and the second preset fresh air speed is smaller than the third preset fresh air speed.
10. The method of claim 6, wherein after entering the air conditioner into a first preset operating mode based on the control command, the method further comprises:
determining the operation time of the air conditioner according to the first preset operation mode;
if the operation time length is less than a first time length threshold value, controlling the air conditioner based on the first preset operation mode;
and if the operation time length is greater than a second time length threshold value, starting the fresh air fan or keeping the fresh air fan in an operation state.
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Address after: No.1, Hisense Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province 266700 Applicant after: Hisense Air Conditioning Co.,Ltd. Address before: No.1, Hisense Road, Nancun Town, Pingdu City, Qingdao City, Shandong Province 266700 Applicant before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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