CN110805996B - Fresh air quantity changing temperature and humidity independent adjusting method and air conditioner - Google Patents
Fresh air quantity changing temperature and humidity independent adjusting method and air conditioner Download PDFInfo
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- CN110805996B CN110805996B CN201911095713.XA CN201911095713A CN110805996B CN 110805996 B CN110805996 B CN 110805996B CN 201911095713 A CN201911095713 A CN 201911095713A CN 110805996 B CN110805996 B CN 110805996B
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0083—Indoor units, e.g. fan coil units with dehumidification means
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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
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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
- F24F11/70—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
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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Abstract
The embodiment of the invention discloses a fresh air change rate temperature and humidity independent adjusting method, which comprises the following steps: acquiring a fresh air mode switch state; if the indoor absolute humidity value exceeds the absolute humidity set value, air is supplied by an air supply state point between the lowest dew point which can be provided by a humidity adjusting system and the dew point temperature corresponding to the indoor absolute humidity value; when the air return mode is judged to be in a fresh air mode closing state, acquiring a second air supply quantity of the independent return air dehumidification system; if the mode is judged to be in the economic mode, air is supplied by a preset air supply state point; and if the mode is judged to be in the non-economic mode, air is blown at the lowest dew point temperature, and the second air blowing amount is a set value. The technical problems that the dehumidification capacity of the independent temperature and humidity adjusting system is weak and economical are solved.
Description
Technical Field
The embodiment of the invention relates to the technical field of air conditioners, in particular to a fresh air volume temperature and humidity independent adjusting method and an air conditioner.
Background
In a traditional independent temperature and humidity control system, a temperature regulation system generally cannot perform humidity regulation control, and the configuration of the system generally gives priority to meeting the design of the maximum humidity regulation capacity. When the temperature and humidity are independently adjusted and combined with a fresh air system, the fresh air is used for bearing indoor latent heat load, and the return air bears indoor sensible heat load. And the air conditioner energy consumption can be increased by increasing the fresh air volume, so that the controllable minimum fresh air volume is adopted to operate as much as possible in the independent temperature and humidity adjusting system with fresh air, so that the fresh air energy consumption is reduced, and the indoor air conditioner energy consumption is reduced to the minimum while the indoor air quality is ensured. However, under the condition of adjustable fresh air volume, especially when the fresh air volume is small, the dehumidification capacity of the existing independent temperature and humidity adjusting system is weak, the dehumidification requirement in use cannot be met, and the economical efficiency of the air conditioner is poor.
Disclosure of Invention
Therefore, the embodiment of the invention provides a fresh air volume changing temperature and humidity independent adjusting method and an air conditioner, and aims to solve the technical problems that in the prior art, a temperature and humidity independent adjusting system is poor in dehumidification capability and poor in economical efficiency.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a fresh air volume changing temperature and humidity independent adjusting method is characterized by comprising the following steps:
acquiring a fresh air mode switch state;
when the fresh air mode is judged to be in the opening state, acquiring a first indoor relative humidity acquisition value and a relative humidity set value;
acquiring an indoor absolute humidity value;
if the indoor absolute humidity value exceeds the absolute humidity set value, air is supplied at an air supply state point between the lowest dew point temperature which can be provided by a humidity adjusting system and the dew point temperature corresponding to the absolute humidity set value;
if the indoor absolute humidity value is judged not to exceed the absolute humidity set value, air is supplied at the dew point temperature corresponding to the absolute humidity set value or an air supply state point above the dew point temperature;
when the air return mode is judged to be in a fresh air mode closing state, acquiring a second air supply quantity of the independent return air dehumidification system;
acquiring an indoor absolute humidity value;
judging whether the indoor absolute humidity value exceeds an absolute humidity set value, and acquiring whether the running mode of the air conditioner is an economic mode;
if the mode is judged to be in the economic mode, air is supplied by a preset air supply state point;
acquiring an air supply state point, indoor set temperature and humidity values and a dehumidification interval in unit time within a range with adjustable second air supply quantity under the current indoor environmental condition;
extracting a group of different dehumidification quantity values in the dehumidification quantity interval in unit time, wherein the group of dehumidification quantity values respectively correspond to a group of parameters meeting the operation condition of the dehumidification quantity within a preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and second air supply quantity;
calculating the accumulated consumed electric energy of the compressor and the fan when the same dehumidification amount is obtained, and operating the compressor and the fan under the dehumidification operation working condition with the minimum consumed electric energy under the same dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the second air supply amount;
and if the mode is judged to be in the non-economic mode, air is blown at the lowest dew point temperature, and the second air blowing amount is a set value.
Further, acquire new trend mode on-off state, specifically include:
acquiring the concentration of indoor target gas;
if the concentration of the target gas is judged to exceed the gas concentration set value, a fresh air starting instruction is sent out so that the fresh air system can enter a fresh air mode starting state; determining the fresh air volume under the starting condition according to the difference value between the concentration of the target gas and the gas concentration set value, and determining the gear adjustment state according to the unit time change of the difference value between the concentration of the target gas and the gas concentration set value;
and if the concentration of the target gas is judged not to exceed the gas concentration set value, sending a fresh air closing instruction so that the fresh air system enters a fresh air mode closing state.
Further, the determining that the indoor absolute humidity value does not exceed the absolute humidity set value, and sending air at a dew point temperature corresponding to the absolute humidity set value, further includes:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value; according to the current temperature and humidity set value, calculating the dew point temperature under the set value, and supplying air by an air return sensible heat regulating system at a preset air supply state point between the dew point temperature under the set value and the set temperature;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
Further, if the indoor temperature is judged to exceed the temperature set value, the temperature adjusting system is started, and the initial first air supply quantity of the indoor return air sensible heat adjusting system is determined according to the difference value of the indoor temperature and the temperature set value; according to the current temperature and humidity set value, the dew point temperature under the set value is calculated, the return air sensible heat regulating system supplies air with a preset air supply state point between the dew point temperature under the set value and the set temperature, and then the method further comprises the following steps:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, an indoor set temperature value and a refrigerating capacity interval of unit time capable of bearing heat load within the adjustable range of the first air supply quantity under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
Further, if it is determined that the indoor absolute humidity value exceeds the absolute humidity set value, the air is blown at a blowing state point between the lowest dew point that can be provided by the humidity control system and the dew point temperature corresponding to the absolute humidity set value, and then the method further includes:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor humidity control system is judged to be in the economic mode, acquiring fresh air supply quantity, absolute moisture content corresponding to indoor set temperature and humidity values and a dehumidification quantity range in unit time capable of being born when the obtained fresh air supply quantity is supplied at an air supply state point between the lowest dew point temperature capable of being provided by the humidity control system and the dew point temperature corresponding to the absolute humidity set value under the current indoor environment condition;
extracting a group of different dehumidification amount values in unit time within the dehumidification amount range in unit time, wherein the different dehumidification amount values in unit time respectively correspond to a group of extracted parameters meeting different dehumidification operation conditions in a preset time length, and the parameters comprise the rotating speed of a compressor and the opening size of an electronic expansion valve;
calculating the electric energy consumed accumulatively by the compressor when the same accumulated dehumidification amount is obtained, and operating the compressor under the dehumidification operation working condition with the minimum electric energy consumption under the same accumulated dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the fresh air supply amount;
and if the mode is judged to be in the non-economic mode, air is supplied at the lowest dew point temperature.
Further, after the determining and executing steps of the economy mode are completed, the method further comprises the following steps:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
Further, when being in new trend mode closed condition, still include:
judging that the indoor absolute humidity value does not exceed the absolute humidity set value, and acquiring indoor temperature;
judging whether the indoor temperature exceeds a set temperature value, starting a temperature regulating system, determining the initial size of a first air supply quantity of an indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the set temperature value, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and supplying air by the return air sensible heat regulating system at a preset air supply state point between the dew point temperature under the set value and the set temperature;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
Further, it is determined that the indoor temperature exceeds a set temperature value, the temperature regulation system is started, an initial first air supply amount of the indoor return air sensible heat regulation system is determined according to a difference value between the indoor temperature and the set temperature value, a dew point temperature under the set value is calculated according to a current temperature and humidity set value, the return air sensible heat regulation system supplies air at a preset air supply state point between the dew point temperature under the set value and the set temperature, and then the method further comprises the following steps:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, an indoor set temperature value and a refrigerating capacity interval per unit time capable of bearing sensible heat load in the unit first air supply quantity adjustable range under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
Further, when the new trend mode is closed, with the dehumidification operating mode operation that consumes the electric energy minimum in setting for a long time, later still include:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
According to the fresh air volume changing temperature and humidity independent adjusting method provided by the invention, the difference value between the collected value and the set value and the fresh air volume are used as common judgment parameters to adjust the evaporation temperature and further adjust the dehumidification strategy and the dehumidification parameters, so that the dynamic adjustment of the humidity is realized, and the comfort level is improved; meanwhile, a dual dehumidification strategy of independent dehumidification of partial return air and independent dehumidification of fresh air is adopted, when the fresh air volume is small or intermittent, the return air is adopted to realize dehumidification, normal dehumidification when the fresh air is insufficient is ensured, and the dehumidification effect is ensured; and different economic modes are selected according to different parameter conditions, so that the economical efficiency of the air conditioner is improved, and the energy-saving effect is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a flowchart of a specific embodiment of the method for independently adjusting the fresh air volume, the temperature and the humidity according to the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a specific embodiment, the method for independently adjusting the fresh air volume and the temperature and humidity provided by the invention is suitable for an air conditioner with independently adjusted temperature and humidity, wherein the air conditioner has a double-compressor working condition or a single-compressor double working condition, one compressor or one working condition bears fresh air and indoor latent heat load, and the other compressor or the other working condition bears indoor sensible heat load. For the air conditioner with the fresh air function and the independent temperature and humidity regulation function, the fresh air system is arranged, so that the supply of indoor fresh air needs to be guaranteed preferentially, and the sanitary requirement is met. However, because the number of people in a room is not constant, sometimes the number of people is large, sometimes the number of people is small, sometimes the number of people is not large, so that the fresh air is operated under the variable air volume working condition, and meanwhile, the fresh air also bears the latent heat load.
As shown in fig. 1, the method comprises the steps of:
acquiring a fresh air mode switch state; specifically, the concentration of the target gas in the chamber is acquired; if the concentration of the target gas is judged to exceed the gas concentration set value, a fresh air starting instruction is sent out so that the fresh air system can enter a fresh air mode starting state; determining the fresh air volume under the starting condition according to the difference value between the concentration of the target gas and the gas concentration set value, and determining the gear adjustment state according to the unit time change of the difference value between the concentration of the target gas and the gas concentration set value; and if the concentration of the target gas is judged not to exceed the gas concentration set value, sending a fresh air closing instruction so that the fresh air system enters a fresh air mode closing state. The method comprises the steps that the on-off state of a fresh air mode can be determined by judging whether the concentration of indoor target gas exceeds a standard or not, specifically, the concentration of the indoor target gas is obtained, and if the concentration of the target gas exceeds a gas concentration set value, a fresh air opening instruction is sent out so that a fresh air system can enter the on-off state of the fresh air mode; and if the concentration of the target gas is judged to exceed the gas concentration set value, sending a fresh air closing instruction so that the fresh air system enters a fresh air mode closing state. The target gas can be carbon dioxide or other harmful gas, or the content of particulate matters and other indexes.
When the fresh air mode is judged to be in the opening state, acquiring a first indoor relative humidity acquisition value and a relative humidity set value;
acquiring an indoor absolute humidity value;
if the indoor absolute humidity value exceeds the absolute humidity set value, air is supplied by an air supply state point between the lowest dew point which can be provided by a humidity adjusting system and the dew point temperature corresponding to the absolute humidity set value;
then also comprises the following steps:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor humidity control system is judged to be in the economic mode, acquiring fresh air supply quantity, absolute moisture content corresponding to indoor set temperature and humidity values and a dehumidification quantity range in unit time capable of being born when the obtained fresh air supply quantity is supplied at an air supply state point between the lowest dew point temperature capable of being provided by the humidity control system and the dew point temperature corresponding to the absolute humidity set value under the current indoor environment condition;
extracting a group of different dehumidification amount values in unit time within the range of the dehumidification amount which can be borne by the fresh air supply amount, wherein the group of dehumidification amount values in unit time respectively correspond to a group of parameters meeting the operation condition of the dehumidification amount within a preset time length, and the parameters comprise the rotating speed of a compressor and the opening size of an electronic expansion valve;
calculating the electric energy consumed accumulatively by the compressor when the same accumulated dehumidification amount is obtained, and operating the compressor under the dehumidification operation working condition with the minimum electric energy consumption under the same accumulated dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the fresh air supply amount;
and if the mode is judged to be in the non-economic mode, air is supplied at the lowest dew point temperature.
If the indoor absolute humidity value is judged not to exceed the absolute humidity set value, air is supplied by an air supply state point corresponding to the indoor set absolute humidity or above the dew point temperature;
when the air return mode is judged to be in a fresh air mode closing state, acquiring a second air supply quantity of the independent return air dehumidification system;
acquiring an indoor absolute humidity value;
judging whether the indoor absolute humidity value exceeds an absolute humidity set value, and acquiring whether the running mode of the air conditioner is an economic mode;
if the mode is judged to be in the economic mode, air is supplied by a preset air supply state point;
acquiring an air supply state point, indoor set temperature and humidity values and a dehumidification interval in unit time within a range with adjustable second air supply quantity under the current indoor environmental condition;
extracting a group of different dehumidification quantity values in the dehumidification quantity interval in unit time, wherein the group of dehumidification quantity values respectively correspond to a group of parameters meeting the operation condition of the dehumidification quantity within a preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and second air supply quantity;
calculating the accumulated consumed electric energy of the compressor and the fan when the same dehumidification amount is obtained, and operating the compressor and the fan under the dehumidification operation working condition with the minimum consumed electric energy under the same dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the second air supply amount;
and if the mode is judged to be in the non-economic mode, air is blown at the lowest dew point temperature, and the second air blowing amount is a set value.
As shown in fig. 1, in order to realize the temperature and humidity cooperative adjustment, it is determined that the indoor absolute humidity value does not exceed the absolute humidity set value, and the fresh air system supplies air at the dew point temperature corresponding to the indoor set absolute humidity, and then the method further includes:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
the temperature regulating system is a return air sensible heat regulating system;
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, an indoor set temperature value and a refrigerating capacity interval per unit time capable of bearing sensible heat load in the unit first air supply quantity adjustable range under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
And if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
Further, when new trend mode is in the open mode, still include:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
When being in new trend mode closed condition, still include:
judging that the indoor absolute humidity value does not exceed the absolute humidity set value, and acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
then also comprises the following steps:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, indoor set temperature and humidity values and a refrigerating capacity interval in unit time, wherein sensible heat load can be borne in the unit first air supply quantity adjustable range under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
And if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
Further, when the fresh air mode is in a closed state, the operation is performed under the condition of the dehumidification capacity with the minimum electric energy consumption within a set time, and then the method further comprises the following steps:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
That is to say, when the indoor absolute humidity is greater than the set value, the latent heat load adjusting system is started, and the fresh air system of the latent heat load adjusting system adopts the given fresh air volume obtained by system analysis to adjust the adjusting mode of the fresh air supply state point.
When the fresh air does not work, the return air latent heat regulating system is utilized to independently dehumidify the return air, specifically, the second air supply of the return air latent heat regulating system adopts a preset air supply state point to supply air and regulates the regulation form of the second air return quantity, or the second air supply quantity adopts a given air quantity obtained by system analysis and regulates the regulation form of the air supply state point of the second air supply.
In the above specific embodiment, the method for independently adjusting humidity and temperature of variable fresh air volume and the air conditioner provided by the invention utilize the difference value between the collected value and the set value and the fresh air volume as a common judgment parameter to adjust the evaporation temperature and further adjust the dehumidification strategy and the dehumidification parameter, thereby realizing dynamic adjustment of humidity and improving comfort; meanwhile, a double dehumidification strategy of return air dehumidification and fresh air dehumidification is adopted, when the fresh air volume is small or intermittent, the return air dehumidification is realized, the normal dehumidification when the fresh air dehumidification is insufficient is ensured, and the dehumidification effect is ensured; when the fresh air system or the return air latent heat regulating system dehumidifies, the return air sensible heat regulating system carries out temperature regulation, and different economic modes are selected according to different parameter conditions, so that the economical efficiency of the air conditioner is improved, and the energy-saving effect is ensured.
The following takes the above-mentioned embodiment as an example, and briefly describes the overall adjustment process of the method provided by the present invention with reference to fig. 1:
after the method for independently adjusting the temperature and the humidity of the fresh air volume is started, whether indoor set pollutants exceed standards is judged, if yes, the fresh air is started, and a subsequent independent temperature and humidity adjusting mode based on the fresh air is entered, and if not, the fresh air is not started, and the subsequent independent temperature and humidity adjusting mode not based on the fresh air is entered.
After the fresh air is started, the fresh air volume is firstly determined, specifically, the air volume (gear) of the fresh air under the initial condition is determined according to the difference value between the collection value and the set value of the pollutant concentration, and the gear-up or gear-down is determined according to the speed change of the difference value between the collection value and the set value. Then, judging whether the indoor absolute humidity exceeds the standard or not, if so, starting dehumidification operation under the current fresh air quantity, namely, supplying air by using an air supply state point between the lowest dew point provided by the humidity adjusting system and the dew point temperature corresponding to the indoor set absolute humidity; if not, the fresh air does not bear the indoor humidity load, namely the air is supplied at the dew point temperature corresponding to the indoor set absolute humidity, and the fresh air bears part of the indoor sensible heat load.
When the dehumidification operation is started under the current fresh air quantity, whether the dehumidification operation is in an economic mode is judged, if yes, the dehumidification operation is performed in a mode of setting air quantity and changing an air supply state point, namely the absolute moisture content corresponding to the current fresh air supply quantity and an indoor set temperature and humidity value is obtained, and under the current indoor environment condition, the dehumidification quantity range of the obtained fresh air supply quantity in unit time can be borne when the air supply state point between the lowest dew point temperature which can be provided by the humidity adjusting system and the dew point temperature corresponding to the set absolute humidity value is used for supplying air; extracting a group of different dehumidification amount values in unit time within the range of the dehumidification amount which can be borne by the fresh air supply amount, wherein the group of dehumidification amount values in unit time respectively correspond to a group of parameters meeting the operation condition of the dehumidification amount within a preset time length, and the parameters comprise the rotating speed of a compressor and the opening size of an electronic expansion valve; calculating the electric energy consumed accumulatively by the compressor when the same accumulated dehumidification amount is obtained, and operating the compressor under the dehumidification operation working condition with the minimum electric energy consumption under the same accumulated dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the fresh air supply amount; and judging whether the air is in the economic mode, and if not, blowing air at the lowest dew point temperature.
After the economic mode is judged and executed, whether the indoor temperature exceeds a set value or not is judged, if yes, a temperature adjusting system is started, and the initial first air supply quantity of the indoor return air sensible heat adjusting system is determined according to the difference value of the indoor temperature acquisition value and the temperature set value; if not, the temperature adjusting system is not started, and the process is finished.
Judging whether the indoor absolute humidity is not over standard, and after the indoor air conditioner operates in a mode that fresh air does not bear indoor humidity load, judging whether the indoor temperature exceeds a set value, if so, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of an indoor temperature collection value and the set temperature value; if not, the temperature adjusting system is not started, and the process is finished.
Starting a temperature adjusting system, determining the initial size of a first air supply quantity of an indoor return air sensible heat adjusting system according to the difference value of an indoor temperature acquisition value and a temperature set value, then judging whether the indoor return air sensible heat adjusting system is in an economic mode, if so, acquiring an adjustable interval of the first air supply quantity, an indoor set temperature and humidity value, and a unit time refrigerating capacity interval capable of bearing sensible heat load in a unit first air supply quantity adjustable range under the current indoor environment condition; extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity; calculating the electric energy consumed by the compressor when the same accumulated refrigerating capacity is obtained, operating under the operating condition of the minimum electric energy consumption under the same refrigerating capacity, and ending; and judging that the air conditioner is in the non-economic mode, calculating the dew point temperature under the set value according to the current set value of the temperature and the humidity, setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value, and finishing.
When fresh air is not started, firstly judging whether an independent return air dehumidification system, namely a return air latent heat regulation system exists or not, recording the air supply quantity of the return air latent heat regulation system as a second air supply quantity, if not, entering a traditional air conditioner operation mode, and ending; if so, judging whether the indoor absolute humidity exceeds a set value, if so, entering an economic mode judging step, and if not, entering a temperature adjusting step.
The economic mode judging step is that firstly, whether the air is in the economic mode is judged, if not, air is supplied at the lowest dew point temperature, and the second air supply amount is a set value and is ended; if so, the air supply is operated in a mode of fixed air supply state points and variable air volume, namely air is supplied by preset air supply state points, and the second air supply volume is adjusted. When the air conditioner operates in a mode of fixing an air supply state point and changing air volume, acquiring the air supply state point, indoor set temperature and humidity values and a dehumidification section in unit time within a range with adjustable second air supply volume under the current indoor environment condition; extracting a group of different dehumidification quantity values in the dehumidification quantity interval in unit time, wherein the group of dehumidification quantity values respectively correspond to a group of parameters meeting the operation condition of the dehumidification quantity within a preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and second air supply quantity; calculating the accumulated consumed electric energy of the compressor and the fan when the same dehumidification capacity is obtained, and operating the compressor and the fan under the dehumidification operation working condition with the minimum consumed electric energy under the same dehumidification capacity; and then judging whether the indoor temperature exceeds a set value, if so, turning to the temperature regulation step for starting the temperature regulation system and the subsequent steps, and if not, not starting the temperature regulation system and ending.
The temperature adjusting step specifically comprises the steps of firstly judging whether the indoor temperature exceeds a set value, if so, starting a temperature adjusting system, and determining the initial first air supply quantity of the indoor return air sensible heat adjusting system according to the difference value of the indoor temperature and the set value of the temperature; if not, the temperature adjusting system is not started, and the process is finished.
After determining the initial size of the first air supply quantity of the indoor return air sensible heat regulating system, judging whether the indoor return air sensible heat regulating system is in an economic mode, if so, acquiring an adjustable interval of the first air supply quantity, an indoor set temperature value and a unit time refrigerating capacity interval capable of bearing heat load in the adjustable range of the first air supply quantity under the current indoor environmental condition; extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating condition of the refrigerating capacity within preset time, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity; calculating the electric energy consumed by the compressor when the same accumulated refrigerating capacity is obtained, operating under the operating condition of the minimum electric energy consumption under the same accumulated refrigerating capacity, and ending; and judging that the air conditioner is in the non-economic mode, calculating the dew point temperature under the set value according to the current set value of the temperature and the humidity, setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value, and finishing.
In an embodiment of the invention, the processor may be an integrated circuit chip having signal processing capability. The Processor may be a general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete Gate or transistor logic device, discrete hardware component.
The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The processor reads the information in the storage medium and completes the steps of the method in combination with the hardware.
The storage medium may be a memory, for example, which may be volatile memory or nonvolatile memory, or which may include both volatile and nonvolatile memory.
The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory.
The volatile Memory may be a Random Access Memory (RAM) which serves as an external cache. By way of example and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), SLDRAM (SLDRAM), and Direct Rambus RAM (DRRAM).
The storage media described in connection with the embodiments of the invention are intended to comprise, without being limited to, these and any other suitable types of memory.
Those skilled in the art will appreciate that the functionality described in the present invention may be implemented in a combination of hardware and software in one or more of the examples described above. When software is applied, the corresponding functionality may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
The above embodiments are only for illustrating the embodiments of the present invention and are not to be construed as limiting the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the embodiments of the present invention shall be included in the scope of the present invention.
Claims (9)
1. A fresh air volume changing temperature and humidity independent adjusting method is characterized by comprising the following steps:
acquiring a fresh air mode switch state;
when the fresh air mode is judged to be in the opening state, acquiring a first indoor relative humidity acquisition value and a relative humidity set value;
acquiring an indoor absolute humidity value;
if the indoor absolute humidity value exceeds the absolute humidity set value, air is supplied at an air supply state point between the lowest dew point temperature which can be provided by a humidity adjusting system and the dew point temperature corresponding to the absolute humidity set value;
if the indoor absolute humidity value is judged not to exceed the absolute humidity set value, air is supplied at the dew point temperature corresponding to the absolute humidity set value or an air supply state point above the dew point temperature;
when the air return mode is judged to be in a fresh air mode closing state, acquiring a second air supply quantity of the independent return air dehumidification system;
acquiring an indoor absolute humidity value;
judging whether the indoor absolute humidity value exceeds an absolute humidity set value, and acquiring whether the running mode of the air conditioner is an economic mode;
if the mode is judged to be in the economic mode, air is supplied by a preset air supply state point;
acquiring an air supply state point, indoor set temperature and humidity values and a dehumidification interval in unit time within a range with adjustable second air supply quantity under the current indoor environmental condition;
extracting a group of different dehumidification quantity values in the dehumidification quantity interval in unit time, wherein the different dehumidification quantity values respectively correspond to a group of extracted parameters meeting different dehumidification quantity operation conditions in a preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and second air supply quantity;
calculating the accumulated consumed electric energy of the compressor and the fan when the same dehumidification amount is obtained, and operating the compressor and the fan under the dehumidification operation working condition with the minimum consumed electric energy under the same dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the second air supply amount;
and if the mode is judged to be in the non-economic mode, air is blown at the lowest dew point temperature, and the second air blowing amount is a set value.
2. The method for independently adjusting the temperature and the humidity of the variable fresh air volume according to claim 1, wherein the acquiring of the fresh air mode switch state specifically comprises:
acquiring the concentration of indoor target gas;
if the concentration of the target gas is judged to exceed the gas concentration set value, a fresh air starting instruction is sent out so that the fresh air system can enter a fresh air mode starting state; determining the fresh air volume under the starting condition according to the difference value between the concentration of the target gas and the gas concentration set value, and determining the gear adjustment state according to the unit time change of the difference value between the concentration of the target gas and the gas concentration set value;
and if the concentration of the target gas is judged not to exceed the gas concentration set value, sending a fresh air closing instruction so that the fresh air system enters a fresh air mode closing state.
3. The method of claim 2, wherein if it is determined that the indoor absolute humidity value does not exceed the absolute humidity set value, the air is blown at a dew point temperature corresponding to the absolute humidity set value, and then the method further comprises:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value; according to the current temperature and humidity set value, calculating the dew point temperature under the set value, and supplying air by an air return sensible heat regulating system at a preset air supply state point between the dew point temperature under the set value and the set temperature;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
4. The fresh air volume changing temperature and humidity independent adjusting method according to claim 3, wherein if the indoor temperature is judged to exceed the temperature set value, the temperature adjusting system is started, and the initial first air volume of the indoor return air sensible heat adjusting system is determined according to the difference value between the indoor temperature and the temperature set value; according to the current temperature and humidity set value, the dew point temperature under the set value is calculated, the return air sensible heat regulating system supplies air with a preset air supply state point between the dew point temperature under the set value and the set temperature, and then the method further comprises the following steps:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, an indoor set temperature value and a refrigerating capacity interval of unit time capable of bearing heat load within the adjustable range of the first air supply quantity under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time within the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of extracted parameters meeting the operating conditions of different refrigerating capacities in unit time within a preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
5. The method of claim 4, wherein if it is determined that the indoor absolute humidity value exceeds the absolute humidity set value, the air is blown at a blowing state point between a lowest dew point that can be provided by a humidity control system and a dew point temperature corresponding to the absolute humidity set value, and then the method further comprises:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor humidity control system is judged to be in the economic mode, acquiring fresh air supply quantity, absolute moisture content corresponding to indoor set temperature and humidity values and a dehumidification quantity range in unit time which can be borne when the fresh air supply quantity supplies air at an air supply state point between the lowest dew point temperature which can be provided by the humidity control system and the dew point temperature corresponding to the absolute humidity set value under the current indoor environment condition;
extracting a group of different dehumidification amount values in unit time within the dehumidification amount range in unit time, wherein the different dehumidification amount values in unit time respectively correspond to a group of extracted parameters meeting different dehumidification operation conditions in a preset time length, and the parameters comprise the rotating speed of a compressor and the opening size of an electronic expansion valve;
calculating the electric energy consumed accumulatively by the compressor when the same accumulated dehumidification amount is obtained, and operating the compressor under the dehumidification operation working condition with the minimum electric energy consumption under the same accumulated dehumidification amount, wherein the operation working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and the fresh air supply amount;
and if the mode is judged to be in the non-economic mode, air is supplied at the lowest dew point temperature.
6. The fresh air volume changing temperature and humidity independent adjusting method according to claim 5, wherein after the economic mode determining and executing step is completed, the method further comprises:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
7. The fresh air volume changing temperature and humidity independent adjusting method according to claim 6, characterized by further comprising, in a fresh air mode closed state:
judging that the indoor absolute humidity value does not exceed the absolute humidity set value, and acquiring indoor temperature;
judging whether the indoor temperature exceeds a set temperature value, starting a temperature regulating system, determining the initial size of a first air supply quantity of an indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the set temperature value, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and supplying air by the return air sensible heat regulating system at a preset air supply state point between the dew point temperature under the set value and the set temperature;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
8. The fresh air volume changing, temperature and humidity independent adjusting method according to claim 7, wherein if it is determined that the indoor temperature exceeds a temperature set value, the temperature adjusting system is started, an initial first air volume of the indoor return air sensible heat adjusting system is determined according to a difference value between the indoor temperature and the temperature set value, a dew point temperature at the set value is calculated according to a current temperature and humidity set value, the return air sensible heat adjusting system supplies air at a preset air supply state point between the dew point temperature at the set value and the set temperature, and then the method further comprises:
acquiring whether the running mode of the air conditioner is an economic mode or not;
if the indoor environment condition is judged to be in the economic mode, acquiring an adjustable interval of first air supply quantity, an indoor set temperature value and a refrigerating capacity interval per unit time capable of bearing sensible heat load in the unit first air supply quantity adjustable range under the current indoor environment condition;
extracting a group of different refrigerating capacity values in unit time in the refrigerating capacity interval in unit time, wherein the different refrigerating capacity values in unit time respectively correspond to a group of parameters meeting the operating conditions of the refrigerating capacity values in different unit time within preset time length, and the parameters comprise the rotating speed of a compressor, the opening size of an electronic expansion valve and first air supply quantity;
calculating the accumulated consumed electric energy of the compressor when the same accumulated refrigerating capacity is obtained, and operating under the operating condition of the minimum consumed electric energy under the same accumulated refrigerating capacity; the working condition comprises the rotating speed of the compressor, the opening size of the electronic expansion valve and a first air supply quantity;
and if the temperature is judged to be in the non-economic mode, calculating the dew point temperature under the set value according to the current temperature and humidity set value, and setting the temperature of the first air supply state point as the dew point temperature + n, wherein n is the set value.
9. The method of claim 8, wherein when the fresh air mode is in an off state, the method operates under a dehumidification condition with minimum power consumption within a set time period, and then further comprises:
acquiring indoor temperature;
judging that the indoor temperature exceeds a temperature set value, starting a temperature regulating system, and determining the initial first air supply quantity of the indoor return air sensible heat regulating system according to the difference value of the indoor temperature and the temperature set value;
and if the indoor temperature is judged not to exceed the temperature set value, the temperature adjusting system is not started.
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| CN112648695A (en) * | 2020-12-29 | 2021-04-13 | 明德倍适(天津)科技有限公司 | Radiation air conditioning system and temperature and humidity adjusting method |
| CN112923541B (en) * | 2021-03-22 | 2022-05-06 | 南京拓展科技有限公司 | Control method of device capable of simultaneously realizing energy conservation and high-precision temperature and humidity control |
| CN114061080B (en) * | 2021-10-28 | 2023-06-23 | 青岛海尔空调器有限总公司 | Fresh air control method and device, electronic equipment and storage medium |
| CN114893890B (en) * | 2022-05-07 | 2024-01-30 | 合肥美的暖通设备有限公司 | Air conditioner, control method and device thereof, assembly and computer equipment |
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| JP2014196879A (en) * | 2013-03-29 | 2014-10-16 | ダイキン工業株式会社 | Humidity controller |
| CN103528144B (en) * | 2013-10-11 | 2018-02-02 | 广州市设计院 | Fresh air variable air rate power-economizing method and device based on absolute humidity control |
| CN107355942B (en) * | 2017-06-15 | 2019-08-02 | 西安建筑科技大学 | Air quantity variable air conditioner indoor temperature and humidity control method based on absolute humidity |
| CN107816774A (en) * | 2017-11-15 | 2018-03-20 | 珠海格力电器股份有限公司 | Fresh air system, control method thereof and fresh air conditioning system |
| CN109268943B (en) * | 2018-09-06 | 2021-04-09 | 广东美的制冷设备有限公司 | Air conditioner, method and apparatus for controlling the same, and computer-readable storage medium |
| CN110360706A (en) * | 2019-07-19 | 2019-10-22 | 四川长虹空调有限公司 | A kind of constant temperature dehumidification control method for air-conditioning |
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