CN113551376A - Air conditioner control method and device and air conditioning unit - Google Patents

Air conditioner control method and device and air conditioning unit Download PDF

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Publication number
CN113551376A
CN113551376A CN202110859911.XA CN202110859911A CN113551376A CN 113551376 A CN113551376 A CN 113551376A CN 202110859911 A CN202110859911 A CN 202110859911A CN 113551376 A CN113551376 A CN 113551376A
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air conditioner
water temperature
capacity
energy efficiency
interval
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吴高灵
袁明征
史帆
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46Improving electric energy efficiency or saving
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an air conditioner control method, an air conditioner control device and an air conditioner unit, wherein the method comprises the following steps: acquiring the water temperature of the air conditioner in the process of heating water in the current operation period; calculating the capacity parameter of the air conditioner according to the water temperature, and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter includes at least one of: energy efficiency and heat exchange capacity; and controlling the operation of the air conditioner in the next operation period according to the operation parameters. The invention solves the problems of fixed operation parameters and insufficient intelligence control of the heat pump unit in the prior art, improves the intelligence of air conditioner control, and simultaneously improves the user experience.

Description

Air conditioner control method and device and air conditioning unit
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device and an air conditioning unit.
Background
The operation parameters adopted by the existing heat pump unit in the process of heating water are fixed or preset by the heat pump unit, and the preset operation parameters are adopted for control in different environments or different stages in the process of heating water, so that the operation parameters are not matched with the actual operation state, the energy consumption is increased, the energy efficiency is low, or the heat exchange capacity is low, and the user requirements cannot be supplied in time.
Aiming at the problems of fixed operation parameters and insufficient intelligence control of a heat pump unit in the related technology, no effective solution is provided at present.
Disclosure of Invention
The invention provides an air conditioner control method, an air conditioner control device and an air conditioner unit, and at least solves the problems that in the prior art, the heat pump unit is fixed in operation parameters and not intelligent enough in control.
In order to solve the above technical problem, according to an aspect of an embodiment of the present invention, there is provided a method for controlling an air conditioner, where the air conditioner is a heat pump unit, the method includes: acquiring the water temperature of the air conditioner in the process of heating water in the current operation period; calculating the capacity parameter of the air conditioner according to the water temperature, and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter includes at least one of: energy efficiency and heat exchange capacity; and controlling the operation of the air conditioner in the next operation period according to the operation parameters.
Further, calculating the capacity parameter of the air conditioner according to the water temperature comprises the following steps: dividing the water temperature into a plurality of water temperature intervals, and calculating the capacity parameter of the air conditioner corresponding to each water temperature interval.
Further, when the capacity parameter includes energy efficiency, calculating the capacity parameter of the air conditioner corresponding to each water temperature interval, including: acquiring the lowest temperature T1 and the highest temperature T2 of each water temperature interval and the energy consumption P of the air conditioner in each water temperature interval; calculating the energy efficiency COP of the air conditioner by the following formula: COP (c m) (T2-T1)/P; wherein c is the specific heat capacity of water, and m is the mass of water; when the capacity parameter includes the heat transfer capacity, calculate the capacity parameter of the air conditioner that each temperature interval corresponds, include: calculating the heat exchange capacity Q of the air conditioner by the following formula: q ═ c × m (T2-T1).
Further, adjusting the operation parameters of the air conditioner according to the capacity parameters comprises: and adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval.
Further, when the capacity parameter includes energy efficiency, adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval, including: acquiring a preset energy efficiency interval; when the energy efficiency of the air conditioner is within a preset energy efficiency interval, keeping the operation frequency unchanged; when the energy efficiency of the air conditioner is smaller than the minimum value of the preset energy efficiency interval, controlling the operation frequency to be reduced; and when the energy efficiency of the air conditioner is greater than the maximum value of the preset energy efficiency interval, controlling the operation frequency to rise.
Further, when the capacity parameters include energy efficiency and heat exchange capacity, adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameters of the air conditioner corresponding to each water temperature interval, including: acquiring a preset heat exchange capacity interval; when the heat exchange capacity of the air conditioner is within a preset heat exchange capacity interval, keeping the operation frequency unchanged; when the heat exchange capacity of the air conditioner is smaller than the minimum value of the preset heat exchange capacity interval and the energy efficiency of the air conditioner is larger than or equal to a preset value, controlling the operation frequency to be increased; and when the energy efficiency of the air conditioner is greater than the maximum value of the preset heat exchange capacity interval, controlling the operation frequency to be reduced.
Further, controlling the operation of the air conditioner in the next operation period according to the operation parameters includes: and in the next operation period, controlling the operation of the compressor of the air conditioner in each water temperature interval according to the adjusted operation frequency of each water temperature interval.
Further, after controlling the operation of the air conditioner in the next operation period according to the operation parameters, the method further comprises the following steps: acquiring the operation parameters of each operation period after the operation period reaches a preset period, and calculating the average value of the operation parameters; controlling the operation of the air conditioner in the next operation period according to the average value; and triggering to acquire the water temperature of the air conditioner in the current operation period in the hot water heating process after the operation time of the air conditioner reaches the preset time.
Further, after acquiring the water temperature of the air conditioner in the hot water making process in the current operation period, the method further comprises the following steps: acquiring the environmental temperature of the current operation period; before controlling the operation of the air conditioner in the next operation period according to the operation parameters, the method further comprises the following steps: detecting the environment temperature of the next operation period, and calculating the temperature difference value between the environment temperature of the next operation period and the environment temperature of the current operation period; and when the temperature difference is smaller than the preset temperature difference, triggering to control the air conditioner to operate in the next operation period according to the operation parameters.
According to another aspect of the embodiments of the present invention, there is provided an air conditioner control device, in which the air conditioner is a heat pump unit, the device includes: the acquisition module is used for acquiring the water temperature of the air conditioner in the process of heating water in the current operation period; the adjusting module is used for calculating the capacity parameter of the air conditioner according to the water temperature and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter includes at least one of: energy efficiency and heat exchange capacity; and the control module is used for controlling the operation of the air conditioner in the next operation period according to the operation parameters.
According to another aspect of the embodiment of the invention, an air conditioning unit is provided, which comprises the air conditioning control device.
According to still another aspect of an embodiment of the present invention, there is provided a storage medium containing computer-executable instructions for performing the air conditioning control method as described above when executed by a computer processor.
The invention provides an air conditioner operation parameter adjusting method, which comprises the steps of acquiring the water temperature of an air conditioner in the current operation period in the hot water making process of a heat pump unit, calculating the capacity parameter of the air conditioner according to the water temperature, adjusting the operation parameter of the air conditioner according to the capacity parameter and controlling the operation of the air conditioner in the next operation period. The dynamic and self-learning operation parameter adjusting method of the air conditioner can enable the air conditioner to operate in the most appropriate state as soon as possible, not only can improve the energy efficiency, but also improves the intelligence of air conditioner control, does not need manual participation in regulation and control, and improves the user experience.
Drawings
Fig. 1 is an alternative flowchart of an air conditioner control method according to an embodiment of the present invention;
fig. 2 is another alternative flowchart of an air conditioner control method according to an embodiment of the present invention;
fig. 3 is a further alternative flowchart of an air conditioner control method according to an embodiment of the present invention; and
fig. 4 is a block diagram of an alternative configuration of an air conditioning control apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
In preferred embodiment 1 of the present invention, an air conditioner control method is provided, where the control method may be directly applied to various air conditioning units, especially heat pump units, and when the control method is specifically implemented, the control method may be implemented by installing software, APP, or writing a corresponding program in a controller in the units. In particular, fig. 1 shows an alternative flow chart of the method, which, as shown in fig. 1, comprises the following steps S102-S106:
s102: acquiring the water temperature of the air conditioner in the process of heating water in the current operation period; the water temperature refers to the water temperature in the water tank;
s104: calculating the capacity parameter of the air conditioner according to the water temperature, and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter includes at least one of: energy efficiency and heat exchange capacity;
s106: and controlling the operation of the air conditioner in the next operation period according to the operation parameters.
In the above embodiment, an operation parameter adjusting method for an air conditioner is provided, in a process of heating water by a heat pump unit, obtaining a water temperature of an air conditioner in a current operation period in the process of heating water, calculating a capacity parameter of the air conditioner according to the water temperature, adjusting an operation parameter of the air conditioner according to the capacity parameter, and controlling an operation of the air conditioner in a next operation period. The dynamic and self-learning operation parameter adjusting method of the air conditioner can enable the air conditioner to operate in the most appropriate state as soon as possible, not only can improve the energy efficiency, but also improves the intelligence of air conditioner control, does not need manual participation in regulation and control, and improves the user experience.
In the control process of the air conditioner, the air conditioner operates according to the operation cycle, and in each operation cycle, the air conditioner is divided into a plurality of operation stages according to the water temperature, namely, the capacity parameter of the air conditioner is calculated according to the water temperature, and the capacity parameter comprises the following steps: dividing the water temperature into a plurality of water temperature intervals, and calculating the capacity parameter of the air conditioner corresponding to each water temperature interval.
The capability parameter includes at least one of: energy efficiency and heat exchange capacity; the energy efficiency is in consideration of energy conservation and electricity saving, and the heat exchange capacity is designed based on the conditions of emergency heating and urgent need of water.
When the capacity parameters include energy efficiency, calculating the capacity parameters of the air conditioner corresponding to each water temperature interval, including: acquiring the lowest temperature T1 and the highest temperature T2 of each water temperature interval and the energy consumption P of the air conditioner in each water temperature interval; calculating the energy efficiency COP of the air conditioner by the following formula: COP (c m) (T2-T1)/P; wherein c is the specific heat capacity of water, and m is the mass of water;
when the capacity parameter includes the heat transfer capacity, calculate the capacity parameter of the air conditioner that each temperature interval corresponds, include: calculating the heat exchange capacity Q of the air conditioner by the following formula: q ═ c × m (T2-T1).
After determining the capacity parameter, adjusting the operation parameter of the air conditioner according to the capacity parameter, including: and adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval. Namely, the water temperature interval is divided into different water temperature intervals, the more detailed the water temperature interval is divided into, the better the adjustment result is, but the more time is consumed for adjustment, so that the water temperature interval can be divided according to actual needs.
When the capacity parameters include energy efficiency, adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameters of the air conditioner corresponding to each water temperature interval, wherein the adjusting of the operating frequency of the air conditioner in each water temperature interval comprises the following steps: acquiring a preset energy efficiency interval; when the energy efficiency of the air conditioner is within a preset energy efficiency interval, keeping the operation frequency unchanged; when the energy efficiency of the air conditioner is smaller than the minimum value of the preset energy efficiency interval, controlling the operation frequency to be reduced; and when the energy efficiency of the air conditioner is greater than the maximum value of the preset energy efficiency interval, controlling the operation frequency to rise. In the whole adjusting process, the operation frequency is required to be kept within the reliable operation frequency range of the unit all the time so as to ensure the reliability of the unit.
When the ability parameter includes efficiency and heat transfer ability, according to the ability parameter adjustment air conditioner that each temperature interval corresponds the operating frequency of air conditioner in each temperature interval, include: acquiring a preset heat exchange capacity interval; when the heat exchange capacity of the air conditioner is within a preset heat exchange capacity interval, keeping the operation frequency unchanged; when the heat exchange capacity of the air conditioner is smaller than the minimum value of the preset heat exchange capacity interval and the energy efficiency of the air conditioner is larger than or equal to a preset value, controlling the operation frequency to be increased; and when the energy efficiency of the air conditioner is greater than the maximum value of the preset heat exchange capacity interval, controlling the operation frequency to be reduced.
The operation parameters are determined in different regions, so that the operation of the air conditioner in the next operation period is controlled according to the operation parameters, and the method comprises the following steps: and in the next operation period, controlling the operation of the compressor of the air conditioner in each water temperature interval according to the adjusted operation frequency of each water temperature interval.
After controlling the operation of the air conditioner in the next operation period according to the operation parameters, the method further comprises the following steps: acquiring the operation parameters of each operation period after the operation period reaches a preset period, and calculating the average value of the operation parameters; controlling the operation of the air conditioner in the next operation period according to the average value; and triggering to acquire the water temperature of the air conditioner in the current operation period in the hot water heating process after the operation time of the air conditioner reaches the preset time.
The above calculation and control process is performed based on that the ambient temperature does not change drastically, that is, after acquiring the temperature of the water in the hot water making process, which is air-conditioned in the current operation period, the method further includes: acquiring the environmental temperature of the current operation period; before controlling the operation of the air conditioner in the next operation period according to the operation parameters, the method further comprises the following steps: detecting the environment temperature of the next operation period, and calculating the temperature difference value between the environment temperature of the next operation period and the environment temperature of the current operation period; and when the temperature difference is smaller than the preset temperature difference, triggering to control the air conditioner to operate in the next operation period according to the operation parameters. When the environmental temperature changes dramatically, the data of the day are not included in the calculation, and the operation parameters are calculated independently again. Or the environmental temperature corresponds to the control parameters one by one, if the environmental temperature of the next operation period and the temperature of the current operation period have larger changes, the parameters of the current environmental temperature are not adopted for control, but the parameters of the operation period in the historical operation period, which are the same as the environmental temperature of the next operation period, are adopted for control, namely, each environmental temperature corresponds to one set of control parameters.
Another air conditioner control method is further provided in preferred embodiment 1 of the present invention, specifically, fig. 2 shows an alternative flowchart of the method, and as shown in fig. 2, the method includes the following steps S201 to S209:
s201: day 0: the compressor was operated at f0 for the first time and the ambient temperature T recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section; respectively calculating according to a preset water temperature interval (the more detailed the division of the interval is, the better the obtained result is, but the more time is consumed for learning and adjusting), not calculating within a certain time when starting (mainly avoiding unstable operation of a time group when starting and low performance reference value due to different refrigerants and different time), and only taking a complete interval for calculation;
s202: comparing with preset capacity and energy efficiency; comparing with the energy efficiency of the preset interval, and determining the next corresponding environment temperature TEnvironment(s)Water temperature TWater (W)Compressor operating frequency;
s203: setting a compressor frequency f1 according to the comparison result; wherein, if COP is not less than 1 and not more than COP2, f1 is f 0; COP < COP1, f1 ═ f0- Δ f; COP > COP2, f1 ═ f0 +. DELTA.f; COP1 and COP2 are preset values of manufacturers, COP is a calculated value, Δ f is set according to requirements, and in addition, f belongs to [ f lower limit, f upper limit ] in the whole process so as to ensure the reliability of the unit; the following correction factor approach may also be taken: f1 ═ k1 ═ f 0;
s204: day 1: the compressor was operated at f1, recording the ambient temperature TEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency of each water temperature sectionCOP;
S205: comparing with preset capacity and energy efficiency;
s206: setting a compressor frequency f2 according to the comparison result; wherein, if COP is not less than 1 and not more than COP2, f2 is f 1; COP < COP1, f2 ═ f1- Δ f; COP > COP2, f2 ═ f1 +. DELTA.f;
s207: day 2: the compressor was operated at f2, recording the ambient temperature TEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
s208: after Dayn (i.e., after repeating the above process for n days) f ═ f1+ f2+ … fn)/n, the subsequent unit was operated at f;
s209: the cycle is repeated after a certain number of days of operation, when f0 is f. After repeating the above process for n days, f is (f1+ f2+ … fn)/n, the subsequent units are operated with f, and the operation is repeated after a certain time interval to recalculate and determine new f.
The above calculation is performed based on that the environmental temperature does not change drastically, and when the environmental temperature changes drastically, the data on the day is not included in the calculation. Meanwhile, Day0, Day1 and the like are all used for the same ambient temperature range, and the out-of-range needs to be calculated from Day0 again and independently.
Another air conditioner control method is further provided in preferred embodiment 1 of the present invention, and specifically, fig. 3 shows an alternative flowchart of the method, and as shown in fig. 3, the method includes the following steps S301 to S304:
s301: day 0: the compressor was operated at f0 for the first time and the ambient temperature T recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
s302: comparing with preset capacity and energy efficiency;
s303: setting a compressor frequency f1 according to the comparison result;
s304: day 1: the compressor was operated at f1, recording the ambient temperature TEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
thereafter, the process returns to S302, and the above operation is repeatedly performed. The operation period is one day.
Similarly, the calculation is performed based on that the ambient temperature does not change drastically, and when the ambient temperature changes drastically, the data of the current Day is not included in the calculation, and Day0, Day1, etc. are all in the same ambient temperature range, and the out-of-range needs to be calculated from Day0 again.
The scheme in fig. 3 is always adjusted circularly, which is closer to the ideal state, but the corresponding adjusting process is increased, so that whether to adjust circularly is determined according to specific situations.
For the case that the capacity parameter is the heat exchange capacity, the following examples are given:
as an alternative embodiment, Day0 was run for the first time: the compressor is operated at f0 for the first time operation of the unit, and the ambient temperature T is recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
comparing with the preset interval capacity and the limit energy efficiency, and determining the next corresponding environment temperature TEnvironment(s)Water temperature TWater (W)The compressor operating frequency:
q is not less than Q1 and not more than Q2, then f1 is f 0;
Q<Q1,COP≥COP0 f1=f0+△f;
Q>Q2,f1=f0-△f;
wherein: q1, Q2 and COP0 are preset values of manufacturers, Q, COP is a calculated value, delta f is set according to requirements, and in addition, f belongs to [ f lower limit, f upper limit ] in the whole process so as to guarantee the reliability of the unit;
day 1: the unit is operated according to f1, and the ambient temperature T is recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
comparing with the energy efficiency of the preset interval, and determining the next corresponding environment temperature TEnvironment(s)Water temperature TWater (W)The compressor operating frequency:
q is not less than Q1 and not more than Q2, then f2 is f 1;
Q<Q1,COP≥COP0,f2=f1+△f;
Q>Q2,f2=f1-△f;
after repeating the above process for n days, f is (f1+ f2+ … fn)/n, the subsequent units are operated with f, and the operation is repeated after a certain time interval to recalculate and determine new f.
As another alternative, Day0 was run for the first time: the compressor is operated at f0 for the first time operation of the unit, and the ambient temperature T is recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
comparing with the preset interval capacity and the limit energy efficiency, and determining the next corresponding environment temperature TEnvironment(s)Water temperature TWater (W)The compressor operating frequency:
q is not less than Q1 and not more than Q2, then f1 is f 0;
Q<Q1,COP≥COP0,f1=f0+△f;
Q>Q2,f1=f0-△f;
wherein: q1, Q2 and COP0 are preset values of manufacturers, Q, COP is a calculated value, delta f is set according to requirements, and in addition, f belongs to [ f lower limit, f upper limit ] in the whole process so as to guarantee the reliability of the unit; under normal conditions, the conditions that the heat exchange capacity is smaller than the minimum value of the preset capacity interval and the energy efficiency of the air conditioner is smaller than the preset value are controlled by adjusting the preset energy efficiency value, if the capacity and the energy efficiency are low, the unit is abnormal, and at the moment, the control action of the operation frequency is not executed or the alarm processing is carried out.
Day 1: the unit is operated according to f1, and the ambient temperature T is recordedEnvironment(s)Water temperature T in water boiling processWater (W)Calculating the heat exchange capacity Q and the energy efficiency COP of each water temperature section;
comparing with the energy efficiency of the preset interval, and determining the next corresponding environment temperature TEnvironment(s)Water temperature TWater (W)The compressor operating frequency:
q is not less than Q1 and not more than Q2, then f2 is f 1;
Q<Q1,COP≥COP0,f2=f1+△f;
Q>Q2,f2=f1-△f;
and repeating the calculation process to determine the operation parameters of the air conditioner in each operation period.
The control process records and calculates the water temperature section capacity and the energy efficiency each time, and compares the water temperature section capacity and the energy efficiency with a preset value to adjust the frequency of the compressor, so that the unit operation capacity and the energy efficiency are close to an ideal preset value, and each unit operates in a state close to an ideal state at any temperature.
Example 2
Based on the air conditioner control method provided in the foregoing embodiment 1, in a preferred embodiment 2 of the present invention, an air conditioner control device is further provided, and specifically, fig. 4 shows an alternative structural block diagram of the device, and as shown in fig. 4, the device includes:
an obtaining module 402, configured to obtain a water temperature of the air conditioner in the process of heating water in a current operation period;
the adjusting module 404 is connected with the obtaining module 402 and is used for calculating the capacity parameter of the air conditioner according to the water temperature and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter includes at least one of: energy efficiency and heat exchange capacity;
and the control module 406 is connected with the adjusting module 404 and is used for controlling the operation of the air conditioner in the next operation period according to the operation parameters.
In the above embodiment, an operation parameter adjusting method for an air conditioner is provided, in a process of heating water by a heat pump unit, obtaining a water temperature of an air conditioner in a current operation period in the process of heating water, calculating a capacity parameter of the air conditioner according to the water temperature, adjusting an operation parameter of the air conditioner according to the capacity parameter, and controlling an operation of the air conditioner in a next operation period. The dynamic and self-learning operation parameter adjusting method of the air conditioner can enable the air conditioner to operate in the most appropriate state as soon as possible, not only can improve the energy efficiency, but also improves the intelligence of air conditioner control, does not need manual participation in regulation and control, and improves the user experience.
The conditioning module 404 includes: the calculation submodule is used for calculating the capacity parameter of the air conditioner according to the water temperature and comprises: dividing the water temperature into a plurality of water temperature intervals, and calculating the capacity parameter of the air conditioner corresponding to each water temperature interval.
When the capability parameter comprises energy efficiency, the calculation submodule comprises: a first obtaining unit, configured to obtain a minimum temperature T1 and a maximum temperature T2 of each water temperature interval, and an energy consumption P of the air conditioner in each water temperature interval; a calculating unit for calculating an energy efficiency COP of the air conditioner by the following formula: COP (c m) (T2-T1)/P; wherein c is the specific heat capacity of water, and m is the mass of water; when the capacity parameter comprises the heat exchange capacity, the calculation submodule comprises: calculating the heat exchange capacity Q of the air conditioner by the following formula: q ═ c × m (T2-T1).
The adjustment module 404 further includes: the adjusting submodule is used for adjusting the operation parameters of the air conditioner according to the capacity parameters and comprises: and adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval.
When the capability parameter comprises energy efficiency, the regulator sub-module comprises: the second acquisition unit is used for acquiring a preset energy efficiency interval; the first maintaining unit is used for maintaining the operation frequency unchanged when the energy efficiency of the air conditioner is within a preset energy efficiency interval; the first adjusting unit is used for controlling the operation frequency to be reduced when the energy efficiency of the air conditioner is smaller than the minimum value of the preset energy efficiency interval; and the second adjusting unit is used for controlling the operation frequency to be increased when the energy efficiency of the air conditioner is greater than the maximum value of the preset energy efficiency interval.
When the ability parameter includes efficiency and heat transfer capacity, adjust the submodule and include: the third acquiring unit is used for acquiring a preset heat exchange capacity interval; the second maintaining unit is used for maintaining the operation frequency unchanged when the heat exchange capacity of the air conditioner is within a preset heat exchange capacity interval; the third adjusting unit is used for controlling the operation frequency to be increased when the heat exchange capacity of the air conditioner is smaller than the minimum value of the preset heat exchange capacity interval and the energy efficiency of the air conditioner is larger than or equal to a preset value; and the fourth adjusting unit is used for controlling the operation frequency to be reduced when the energy efficiency of the air conditioner is greater than the maximum value of the preset heat exchange capacity interval.
The control module 406 includes: and in the next operation period, controlling the operation of the compressor of the air conditioner in each water temperature interval according to the adjusted operation frequency of each water temperature interval.
This device still includes: the adjusting module is used for acquiring the operation parameters of each operation period after the operation period reaches a preset period after controlling the operation of the air conditioner in the next operation period according to the operation parameters, and calculating the average value of the operation parameters; the average value control module is used for controlling the operation of the air conditioner in the next operation period according to the average value; and the trigger module is used for triggering and acquiring the water temperature of the air conditioner in the current operation period in the hot water making process after the operation time of the air conditioner reaches the preset time.
The environment temperature detection module is used for acquiring the environment temperature of the current operation period after acquiring the water temperature of the air conditioner in the current operation period in the hot water heating process; the environment temperature control module is used for detecting the environment temperature of the next operation period before controlling the air conditioner to operate in the next operation period according to the operation parameters, and calculating the temperature difference value between the environment temperature of the next operation period and the environment temperature of the current operation period; and when the temperature difference is smaller than the preset temperature difference, triggering to control the air conditioner to operate in the next operation period according to the operation parameters.
With regard to the apparatus in the above embodiments, the specific manner in which each unit and each module performs operations has been described in detail in the embodiments related to the method, and will not be described in detail herein.
Example 3
Based on the air conditioning control device provided in the above embodiment 2, in a preferred embodiment 3 of the present invention, there is also provided an air conditioning unit including the air conditioning control device as described above.
In the above embodiment, an operation parameter adjusting method for an air conditioner is provided, in a process of heating water by a heat pump unit, obtaining a water temperature of an air conditioner in a current operation period in the process of heating water, calculating a capacity parameter of the air conditioner according to the water temperature, adjusting an operation parameter of the air conditioner according to the capacity parameter, and controlling an operation of the air conditioner in a next operation period. The dynamic and self-learning operation parameter adjusting method of the air conditioner can enable the air conditioner to operate in the most appropriate state as soon as possible, not only can improve the energy efficiency, but also improves the intelligence of air conditioner control, does not need manual participation in regulation and control, and improves the user experience.
Example 4
Based on the air-conditioning control method provided in embodiment 1 above, there is also provided in preferred embodiment 4 of the present invention a storage medium containing computer-executable instructions for performing the air-conditioning control method as described above when executed by a computer processor.
In the above embodiment, an operation parameter adjusting method for an air conditioner is provided, in a process of heating water by a heat pump unit, obtaining a water temperature of an air conditioner in a current operation period in the process of heating water, calculating a capacity parameter of the air conditioner according to the water temperature, adjusting an operation parameter of the air conditioner according to the capacity parameter, and controlling an operation of the air conditioner in a next operation period. The dynamic and self-learning operation parameter adjusting method of the air conditioner can enable the air conditioner to operate in the most appropriate state as soon as possible, not only can improve the energy efficiency, but also improves the intelligence of air conditioner control, does not need manual participation in regulation and control, and improves the user experience.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (12)

1. A control method of an air conditioner is characterized in that the air conditioner is a heat pump unit, and the method comprises the following steps:
acquiring the water temperature of the air conditioner in the process of heating water in the current operation period;
calculating capacity parameters of the air conditioner according to the water temperature, and adjusting operation parameters of the air conditioner according to the capacity parameters; wherein the capability parameter comprises at least one of: energy efficiency and heat exchange capacity;
and controlling the operation of the air conditioner in the next operation period according to the operation parameters.
2. The method of claim 1, wherein calculating the capacity parameter of the air conditioner based on the water temperature comprises:
dividing the water temperature into a plurality of water temperature intervals, and calculating the capacity parameter of the air conditioner corresponding to each water temperature interval.
3. The method of claim 2,
when the capacity parameters include energy efficiency, calculating the capacity parameters of the air conditioner corresponding to the water temperature intervals, including:
acquiring the lowest temperature T1 and the highest temperature T2 of each water temperature interval and the energy consumption P of the air conditioner in each water temperature interval;
calculating an energy efficiency COP of the air conditioner by the following formula: COP (c m) (T2-T1)/P; wherein c is the specific heat capacity of water, and m is the mass of water;
when the capacity parameter includes the heat exchange capacity, calculating the capacity parameter of the air conditioner corresponding to each water temperature interval, including:
calculating the heat exchange capacity Q of the air conditioner by the following formula: q ═ c × m (T2-T1).
4. The method of claim 2, wherein adjusting the operating parameter of the air conditioner based on the capacity parameter comprises:
and adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval.
5. The method according to claim 4, wherein when the capacity parameter includes energy efficiency, adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval comprises:
acquiring a preset energy efficiency interval;
when the energy efficiency of the air conditioner is within the preset energy efficiency interval, keeping the operation frequency unchanged;
when the energy efficiency of the air conditioner is smaller than the minimum value of the preset energy efficiency interval, controlling the operation frequency to be reduced;
and when the energy efficiency of the air conditioner is greater than the maximum value of the preset energy efficiency interval, controlling the operation frequency to rise.
6. The method according to claim 4, wherein when the capacity parameters include energy efficiency and heat exchange capacity, adjusting the operating frequency of the air conditioner in each water temperature interval according to the capacity parameter of the air conditioner corresponding to each water temperature interval comprises:
acquiring a preset heat exchange capacity interval;
when the heat exchange capacity of the air conditioner is within the preset heat exchange capacity interval, keeping the operation frequency unchanged;
when the heat exchange capacity of the air conditioner is smaller than the minimum value of the preset heat exchange capacity interval and the energy efficiency of the air conditioner is larger than or equal to a preset value, controlling the operation frequency to be increased;
and when the energy efficiency of the air conditioner is greater than the maximum value of the preset heat exchange capacity interval, controlling the operation frequency to be reduced.
7. The method of claim 4, wherein controlling operation of the air conditioner in a next operation cycle based on the operation parameter comprises:
and in the next operation period, controlling the operation of the compressor of the air conditioner in each water temperature interval according to the adjusted operation frequency of each water temperature interval.
8. The method of claim 1, wherein after controlling operation of the air conditioner in a next operation cycle according to the operation parameter, further comprising:
after the operation period reaches a preset period, acquiring the operation parameters of each operation period, and calculating the average value of the operation parameters;
controlling the operation of the air conditioner in the next operation period according to the average value;
and triggering to acquire the water temperature of the air conditioner in the process of heating water in the current operation period after the operation time of the air conditioner reaches the preset time.
9. The method of claim 1, after obtaining the temperature of the water in the process of heating the water by the air conditioner in the current operation period, further comprising: acquiring the ambient temperature of the current operation period; before controlling the operation of the air conditioner in the next operation period according to the operation parameters, the method further comprises the following steps:
detecting the environment temperature of the next operation period, and calculating the temperature difference value between the environment temperature of the next operation period and the environment temperature of the current operation period;
and when the temperature difference value is smaller than the preset temperature difference value, triggering to control the air conditioner to operate in the next operation period according to the operation parameters.
10. The utility model provides an air conditioner controlling means, its characterized in that, the air conditioner is heat pump set, the device includes:
the acquisition module is used for acquiring the water temperature of the air conditioner in the process of heating water in the current operation period;
the adjusting module is used for calculating the capacity parameter of the air conditioner according to the water temperature and adjusting the operation parameter of the air conditioner according to the capacity parameter; wherein the capability parameter comprises at least one of: energy efficiency and heat exchange capacity;
and the control module is used for controlling the operation of the air conditioner in the next operation period according to the operation parameters.
11. An air conditioning assembly characterized by comprising the air conditioning control device according to claim 10.
12. A storage medium containing computer-executable instructions for performing the air conditioning control method of any one of claims 1 to 9 when executed by a computer processor.
CN202110859911.XA 2021-07-28 2021-07-28 Air conditioner control method and device and air conditioning unit Pending CN113551376A (en)

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