CN109253526B - Starting method and device for self-cleaning function of air conditioner and self-cleaning air conditioner - Google Patents

Starting method and device for self-cleaning function of air conditioner and self-cleaning air conditioner Download PDF

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Publication number
CN109253526B
CN109253526B CN201811113013.4A CN201811113013A CN109253526B CN 109253526 B CN109253526 B CN 109253526B CN 201811113013 A CN201811113013 A CN 201811113013A CN 109253526 B CN109253526 B CN 109253526B
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air conditioner
current
value
threshold value
current value
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CN109253526A (en
Inventor
王涛
喻春平
黄政华
李保岩
孙凯
杨铎
梁振祖
庄丽
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F11/88—Electrical aspects, e.g. circuits
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The embodiment of the invention provides a starting method and a starting device for a self-cleaning function of an air conditioner, the self-cleaning air conditioner, a storage medium and an electronic device, wherein the method comprises the following steps: in the air conditioner refrigeration operation process, acquiring a first current value of the air conditioner operation, wherein the acquired current value is a current value of the whole machine; and determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner. The problem of among the prior art air conditioner can't the self-cleaning function of self-triggering is solved for the air conditioner can be according to the change automatic decision of electric current value whether trigger self-cleaning function in the use, has improved the work efficiency of air conditioner, has improved user experience.

Description

starting method and device for self-cleaning function of air conditioner and self-cleaning air conditioner
Technical Field
the invention relates to the technical field of household appliances, in particular to a starting method and device for a self-cleaning function of an air conditioner and the self-cleaning air conditioner.
Background
after the air conditioner is placed or used for a long time, a large amount of dust, dirt, leaves and other impurities are attached to an inner unit or an outer unit of the air conditioner, so that on one hand, the heat exchange performance of a heat exchanger is reduced, and the performance of the air conditioner is reduced; on the other hand, the dust and dirt are easy to be attached to breed bacteria and form mildew, and the bacteria and the mildew can generate peculiar smell in the unit, if the peculiar smell is not cleaned in time, the health of an air conditioner user is seriously threatened. In the prior art, a cleaning system of an air conditioner needs to be manually started, namely, manual command triggering is needed to clean the air conditioner. The user often ignores the cleaning function of the air conditioner, the cleaning function of the air conditioner is in an unused state for a long time, and the phenomenon that sundries in the air conditioner are accumulated more and more is caused, so that the working efficiency of the air conditioner is influenced, and the use experience of the user is reduced.
Aiming at the problem that the air conditioner cannot automatically trigger the cleaning function in the related technology, no reasonable solution is provided.
Disclosure of Invention
The embodiment of the invention provides a starting method and device for a self-cleaning function of an air conditioner, the self-cleaning air conditioner, a storage medium and an electronic device, and at least solves the problem that the air conditioner cannot automatically trigger the cleaning function in the related technology.
according to an embodiment of the present invention, there is provided a method for starting a self-cleaning function of an air conditioner, including: in the air conditioner refrigeration operation process, obtaining a first current value of the air conditioner operation, wherein the current value is a whole machine current value; and determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner.
Preferably, the determining whether to activate the self-cleaning function of the air conditioner according to the difference between the first current value and a standard current value of the air conditioner includes: when the difference value between the first current value and the standard current value of the air conditioner is larger than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an outer unit of the air conditioner; and when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an inner machine of the air conditioner.
Preferably, before the obtaining of the first current value of the air conditioner operation, the method further includes: acquiring a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected correction standard current value is obtained after the air conditioner operates for a specified time.
preferably, the method further comprises: establishing an operation database, and storing the working condition of the air conditioner at the appointed moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, a control system and a control method.
Preferably, the obtaining of the first current value of the air conditioner operation includes: and acquiring the first current value under the same working condition with the standard current value.
Preferably, after the obtaining of the first current value of the air conditioner operation, the method further includes: and adjusting the running state of the air conditioner according to the first current value.
preferably, the adjusting the operation state of the air conditioner according to the first current value includes: acquiring a current operating frequency value of the air conditioner compressor and a current external environment temperature value of the air conditioner; and adjusting the running state of the air conditioner according to the first current value, the current running frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
preferably, the obtaining the first current value includes: acquiring a current first current value of the air conditioner, and comparing the current first current value with a preset current threshold value, wherein the preset current threshold value comprises a first current threshold value, a second current threshold value, a third current threshold value, a fourth current threshold value and a fifth current threshold value which are increased in sequence; the obtaining of the current operating frequency value of the air conditioner compressor comprises: acquiring a frequency interval where a current operating frequency value of the air conditioner compressor is located, wherein the frequency interval comprises: a first frequency interval (f1, f 2), a second frequency interval (f2, f 3), a third frequency interval (f3, f 4), a fourth frequency interval (f4, f 5) and a fifth frequency interval (f5, ∞);
the acquiring of the current external environment temperature value of the air conditioner comprises: the method comprises the steps of obtaining a current external environment temperature value of the air conditioner, and comparing the current external environment temperature value with a preset temperature threshold value, wherein the temperature threshold value comprises a first temperature threshold value and a second temperature threshold value in a refrigeration mode, and a third temperature threshold value and a fourth temperature threshold value in a heating mode, the second temperature threshold value is larger than the first temperature threshold value, and the fourth temperature threshold value is larger than the third temperature threshold value.
Preferably, the adjusting the operation state of the air conditioner according to the first current value includes: in a cooling mode of the air conditioner:
When the current external environment temperature value of the air conditioner is greater than or equal to the second temperature threshold value and the current compressor frequency value of the air conditioner is in the fourth frequency interval or the fifth frequency interval, if the first current value is greater than or equal to the first current threshold value and smaller than the fifth current threshold value, performing a process of reducing the frequency of the compressor of the air conditioner; when the current external environment temperature value of the air conditioner is greater than or equal to the first temperature threshold value and smaller than the second temperature threshold value, and the current compressor frequency value of the air conditioner is in the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner; when the current external environment temperature value of the air conditioner is smaller than the first temperature threshold value and the current compressor frequency value of the air conditioner is in the first frequency interval or the second frequency interval, if the first current value is larger than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner; and when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
Preferably, the adjusting the operation state of the air conditioner according to the first current value includes: in a heating mode of the air conditioner:
When the current external environment temperature value of the air conditioner is greater than or equal to the fourth temperature threshold value, and the current compressor frequency value of the air conditioner is in the second frequency range or the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing a frequency reduction process on the compressor of the air conditioner; when the current external environment temperature value of the air conditioner is greater than or equal to the fourth temperature threshold value and the current compressor frequency value of the air conditioner is in the first frequency interval or the second frequency interval, if the first current value is greater than or equal to the third current threshold value and smaller than the fifth current threshold value, performing a process of reducing the frequency of the compressor of the air conditioner; when the current external environment temperature value of the air conditioner is greater than or equal to the third temperature threshold value and smaller than the fourth temperature threshold value, and the current compressor frequency value of the air conditioner is in the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner; when the current external environment temperature value of the air conditioner is smaller than the third temperature threshold value and the current compressor frequency value of the air conditioner is in the fourth frequency interval or the fifth frequency interval, if the first current value is larger than or equal to the third current threshold value and smaller than the fifth current threshold value, performing a frequency reduction process on a compressor of the air conditioner; and when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
according to another embodiment of the present invention, there is also provided an apparatus for starting a self-cleaning function of an air conditioner, including: the air conditioner control device comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring a first current value of the operation of the air conditioner in the refrigeration operation process of the air conditioner, and the current value is the current value of the whole air conditioner; and the determining module is used for determining whether to start the self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner.
preferably, the determining module comprises: the first starting unit is used for starting a self-cleaning function of an outer machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is greater than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state; and the second starting unit is used for starting the self-cleaning function of the inner machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state.
preferably, the apparatus further comprises: the second obtaining module is used for obtaining a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected correction standard current value is obtained after the air conditioner operates for a specified time.
Preferably, the apparatus further comprises: the establishing module is used for establishing an operation database; the storage module is used for storing the working condition of the specified time in the air conditioner operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, a control system and a control method.
Preferably, the first obtaining module includes: and the first acquisition unit is used for acquiring the first current value under the same working condition with the standard current value.
preferably, the apparatus further comprises: and the adjusting module is used for adjusting the running state of the air conditioner according to the first current value.
Preferably, the adjusting module comprises: the second acquisition unit is used for acquiring the current operating frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner; and the adjusting unit is used for adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
According to another embodiment of the invention, a self-cleaning air conditioner is further provided, which comprises the device in any one of the device embodiments.
according to another embodiment of the present invention, there is also provided a storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
according to another embodiment of the present invention, there is also provided an electronic device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to execute the computer program to perform the steps of any of the above method embodiments.
according to the embodiment of the invention, in the refrigeration operation process of the air conditioner, the first current value of the operation of the air conditioner is obtained, wherein the obtained current value is the current value of the whole machine; and determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner. The problem of among the prior art air conditioner can't the self-cleaning function of self-triggering is solved for the air conditioner can be according to the change automatic decision of electric current value whether trigger self-cleaning function in the use, has improved the work efficiency of air conditioner, has improved user experience.
drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a flowchart illustrating a method for starting a self-cleaning function of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a method for starting a self-cleaning function of an air conditioner according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for overcurrent protection of an air conditioner according to an embodiment of the present invention;
fig. 4 is a block diagram illustrating a starting apparatus for a self-cleaning function of an air conditioner according to an embodiment of the present invention.
Detailed Description
the invention will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
it should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
example 1
the embodiment of the invention provides a starting method of a self-cleaning function of an air conditioner. Fig. 1 is a flowchart of a method for starting a self-cleaning function of an air conditioner according to an embodiment of the present invention, as shown in fig. 1, the method includes:
step S101, acquiring a first current value of air conditioner operation in the air conditioner refrigeration operation process, wherein the current value is the current value of the whole machine;
And step S103, determining whether to start a self-cleaning function of the air conditioner according to the difference value between the first current value and the standard current value of the air conditioner.
by the method, in the process of air conditioner refrigeration operation, a first current value of the air conditioner operation is obtained, wherein the obtained current value is the current value of the whole machine; and determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner. The problem of among the prior art air conditioner can't the self-cleaning function of self-triggering is solved for the air conditioner can be according to the change automatic decision of electric current value whether trigger self-cleaning function in the use, has improved the work efficiency of air conditioner, has improved user experience.
it should be noted that the current value obtained here is the complete machine current value when the air conditioner is running, and can be measured by the current detection sensor. In addition, the same purpose can be achieved by detecting the power or the energy efficiency ratio of the whole machine. Wherein, the relation between the complete machine power and the complete machine current is as follows: the power W of the whole machine is the voltage U of the whole machine and the current I of the whole machine; the relation between the energy efficiency ratio and the current of the whole machine is as follows: the energy efficiency ratio APF is the refrigeration capacity/(complete machine voltage U complete machine current I). According to the two formulas, the current value of the whole air conditioner can be indirectly obtained no matter the power or the energy efficiency ratio of the whole air conditioner, so that whether the self-cleaning function of the air conditioner is started or not is determined according to the difference value of the current value of the whole air conditioner obtained in the operation process of the air conditioner and the standard current value of the air conditioner.
in a preferable scheme of this embodiment, the step S103 may be implemented by:
when the difference value between the first current value and the standard current value of the air conditioner is larger than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an external unit of the air conditioner; and when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an inner machine of the air conditioner.
it should be noted that, if the external unit is covered with dust or is shielded by impurities such as leaves, the current consumption should be a rising trend, and when the difference value between the first current value obtained after the air conditioner is operated for a period of time and the standard current value is greater than the first preset threshold value, it indicates that the current consumption is too large, and the external unit needs to be cleaned. If the inner machine is covered with dust or is shielded by sundries to influence wind outlet, the current power consumption is changed from an ascending trend to a descending trend, and if the difference value between the first current value and the standard current value obtained at the moment is smaller than a second preset threshold value, the inner machine needs to be cleaned.
in a preferable scheme of this embodiment, the method further includes: acquiring a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected standard current value after the air conditioner operates for a specified time.
when the air conditioner is put into use for the first time after the air conditioner is installed, the measured current value is an initial standard current value, and may be used as a standard current value at the initial stage of operation of the air conditioner. After the air conditioner is operated for a period of time or the operating environment is changed, the use state of the air conditioner changes correspondingly, and at the moment, the initial standard current value is not suitable as the standard current value, so that the comparison precision of the current value is influenced, and therefore, the standard current value needs to be corrected according to the real-time working state to obtain the corrected standard current value. By the method, the trigger condition of the self-cleaning of the air conditioner can be ensured to be more accurate.
In a preferable scheme of this embodiment, the method further includes: establishing an operation database, and storing the working condition of the air conditioner at the specified moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, an air conditioner compressor, an air conditioner, a fan, a.
After the air conditioner is installed, the air conditioner is started for the first time to record the current working condition data of the internal environment temperature of the air conditioner, the external pipe temperature of the air conditioner, the inner pipe temperature of the air conditioner, the exhaust temperature of a compressor of the air conditioner, the running voltage of the air conditioner, the whole machine power of the air conditioner, the rotating speed of an internal fan of the air conditioner, the rotating speed of an external fan of the air conditioner, the frequency of the compressor of the air conditioner, the opening degree of a four-way valve of the air conditioner and the like, then the working condition data at every moment can be recorded in the running process of the air conditioner, the working condition data can also be recorded at intervals, and can also.
In combination with the selection of the standard current value, it can be understood that different standard current values are selected under different working conditions, and the working conditions and the standard current values may be in a one-to-one correspondence relationship.
in a preferable scheme of this embodiment, the step S101 may be implemented by: and acquiring a first current value under the same working condition with the standard current value.
the first current value obtained under the same working condition is compared with the standard current value under the working condition, so that the trigger condition of self-cleaning of the air conditioner can be ensured to be more accurate.
Fig. 2 is another flowchart of a method for starting a self-cleaning function of an air conditioner according to an embodiment of the present invention, and as shown in fig. 2, the above steps can be illustrated by the following example: under the refrigeration mode, after the air conditioner is operated for a period of time in an accumulated way, the comparison and judgment of the first operation data are carried out:
the method comprises the steps that the detected current trend is rising under the same working condition, when the difference value between the detected first current value and the standard current value is larger than a first preset threshold value, if the user is in a starting state at the moment, the current operation is continuously kept, when the user is shut down or shut down, an automatic cleaning program of the outer unit is automatically started, if an outer fan operates for a specific time in a reverse direction, sundries, dust and the like stuck on the condenser of the outer unit are blown away, then the stages of refrigerating condensation, frosting, defrosting and the like of the outer unit are executed, the condenser of the outer unit is washed, and the purpose of automatically and intelligently detecting and. After the outer machine is automatically cleaned, starting up again to detect and record each data, when the difference value between a second current value detected under the same working condition and a standard current value is smaller than a second preset threshold value, if the user is in a starting-up state at the moment, continuing to keep the current operation, automatically starting an automatic cleaning program of the inner machine when the user is shut down or stopped, executing the stages of refrigerating condensation, frosting, defrosting and the like of the inner machine, flushing an evaporator of the inner machine, and achieving the purpose of automatically and intelligently detecting and cleaning the inner machine.
according to the embodiment of the invention, the heat exchange loads of the air conditioner internal unit and the air conditioner external unit are determined by establishing the air conditioner operation database and detecting the operation trend of current for comparison and judgment, so that the effects of judging the cleaning requirement of the air conditioner and automatically starting the self-cleaning function of the air conditioner are achieved.
in a preferable scheme of this embodiment, the method further includes: and adjusting the running state of the air conditioner according to the first current value.
adjusting the operation state of the air conditioner according to the first current value includes: acquiring a current operating frequency value of an air conditioner compressor and a current external environment temperature value of an air conditioner; and adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
in the prior art, overcurrent protection for an air conditioner stays at a set fixed current threshold value to determine protection measures such as frequency reduction, shutdown and the like, however, due to frequency change, load change and the like in the operation of the air conditioner, protection such as frequency reduction, shutdown and the like of overcurrent protection is not suitable in many cases. The overcurrent protection method provided by the embodiment of the invention can execute protective measures such as frequency reduction, shutdown and the like of the air conditioner compressor according to the change of the frequency of the compressor and the outer ring temperature interval, and determine more accurate and reasonable overcurrent protection logic functions.
Acquiring the first current value includes: acquiring a current first current value of the air conditioner, and comparing the current first current value with a preset current threshold value, wherein the preset current threshold value comprises a first current threshold value, a second current threshold value, a third current threshold value, a fourth current threshold value and a fifth current threshold value which are increased in sequence; the method for acquiring the current operating frequency value of the air conditioner compressor comprises the following steps: obtaining a frequency interval in which a current operation frequency value of an air conditioner compressor is located, wherein the frequency interval comprises: a first frequency interval (f1, f 2), a second frequency interval (f2, f 3), a third frequency interval (f3, f 4), a fourth frequency interval (f4, f 5) and a fifth frequency interval (f5, ∞);
the acquiring of the current external environment temperature value of the air conditioner comprises the following steps: the method comprises the steps of obtaining a current external environment temperature value of the air conditioner, and comparing the current external environment temperature value with a preset temperature threshold value, wherein the temperature threshold value comprises a first temperature threshold value and a second temperature threshold value in a refrigeration mode, and a third temperature threshold value and a fourth temperature threshold value in a heating mode, the second temperature threshold value is larger than the first temperature threshold value, and the fourth temperature threshold value is larger than the third temperature threshold value.
In a cooling mode of the air conditioner:
When the current external environment temperature value of the air conditioner is greater than or equal to the second temperature threshold value and the current compressor frequency value of the air conditioner is in a fourth frequency interval or a fifth frequency interval, if the first current value is greater than or equal to the first current threshold value and smaller than the fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is greater than or equal to the first temperature threshold value and smaller than a second temperature threshold value, and the current compressor frequency value of the air conditioner is in the third frequency region, the fourth frequency region or the fifth frequency region, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on the compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is smaller than a first temperature threshold value and the current compressor frequency value of the air conditioner is in a first frequency interval or a second frequency interval, if the first current value is larger than or equal to a second current threshold value and smaller than a fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
And when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
in a heating mode of the air conditioner:
when the current external environment temperature value of the air conditioner is greater than or equal to a fourth temperature threshold value and the current compressor frequency value of the air conditioner is in a second frequency region or a third frequency region or a fourth frequency region or a fifth frequency region, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is greater than or equal to a fourth temperature threshold value and the current compressor frequency value of the air conditioner is in a first frequency interval or a second frequency interval, if the first current value is greater than or equal to a third current threshold value and smaller than a fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is greater than or equal to a third temperature threshold value and smaller than a fourth temperature threshold value, and the current compressor frequency value of the air conditioner is in a third frequency region or a fourth frequency region or a fifth frequency region, if the first current value is greater than or equal to a second current threshold value and smaller than a fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
when the current external environment temperature value of the air conditioner is smaller than a third temperature threshold value and the current compressor frequency value of the air conditioner is in a fourth frequency interval or a fifth frequency interval, if the first current value is larger than or equal to the third current threshold value and smaller than the fifth current threshold value, performing frequency reduction treatment on the compressor of the air conditioner;
And when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
fig. 3 is a flowchart of a method for overcurrent protection of an air conditioner according to an embodiment of the present invention, and as shown in fig. 3, an implementation of overcurrent protection is described below by using a specific example.
Defining a compressor operation frequency interval (F is the current operation frequency of the compressor, and F1-F5 are set compressor frequency interval critical values):
An interval I: f2 is more than or equal to F1;
and II, interval: f3 is more than or equal to F2;
Interval III: f4 is more than or equal to F3;
An IV interval: f5 is more than or equal to F4;
interval V: f > F5.
Defining an outer ring temperature interval (Touter ring is the current outdoor environment temperature; T1 and T2 are set outdoor environment temperature interval critical values):
a refrigeration mode: the T outer ring is not less than the refrigeration T2, the refrigeration T2 is more than the T outer ring is not less than the refrigeration T1, and the refrigeration T1 is more than the T outer ring; heating mode: the T outer ring is not less than heating T4, heating T4 is more than T outer ring is not less than heating T3, heating T3 is more than T outer ring.
defining a current threshold: when the current is larger than or equal to I5 overcurrent stop, the time frequency limit is larger than or equal to I1 and I2, and the frequency is reduced when the current is larger than or equal to I3 and I4.
in a refrigeration mode:
1) The frequency of the compressor is not less than the interval of refrigeration T2, the frequency of the compressor is not less than IV, the current I1 is not more than I current (the current in actual operation) is less than I5, and the compressor is subjected to frequency reduction treatment;
2) The refrigeration T2 is more than T, the outer ring is more than or equal to the refrigeration T1, the frequency of the compressor is more than or equal to the interval III, the I current is more than or equal to I2 and less than I5, and the compressor is subjected to frequency reduction treatment;
3) Refrigerating T1 is more than T outer ring, the frequency of compressor is less than or equal to II interval, I2 is less than or equal to I5, the compressor is processed by frequency reduction;
4) When the I current is larger than or equal to I5 in the running of the compressor, overcurrent shutdown is executed.
in the heating mode:
1) The outer ring T is more than or equal to heating T4, the frequency of the compressor is more than I, the I current is more than or equal to I2 and less than I5, and the compressor is subjected to frequency reduction treatment;
2) The outer ring T is more than or equal to heating T4, the frequency of the compressor is less than or equal to the interval II, the current I is more than or equal to I3 and less than I5, and the compressor is subjected to frequency reduction treatment;
3) The heating T4 is more than T, the outer ring is more than or equal to the heating T3, the frequency of the compressor is more than or equal to the interval III, the I current is more than or equal to I2 and less than I5, and the compressor is subjected to frequency reduction treatment;
4) heating T3 is more than T outer ring, compressor frequency is more than or equal to IV interval, I current is more than or equal to I3 and less than I5, and compressor is subjected to frequency reduction treatment;
5) when the I current is larger than or equal to I5 in the running of the compressor, overcurrent shutdown is executed.
Example 2
In this embodiment, a starting device for a self-cleaning function of an air conditioner is further provided, which is used to execute the steps in any of the above method embodiments, and the content that has been described is not repeated here. Fig. 4 is a block diagram illustrating a starting apparatus for a self-cleaning function of an air conditioner according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes: the first obtaining module 40 is configured to obtain a first current value of air conditioner operation in a cooling operation process of the air conditioner, where the current value is a complete machine current value; and the determining module 42 is used for determining whether to start the self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner.
by the device, the first obtaining module 40 obtains a first current value of the air conditioner in the air conditioner refrigeration operation process, wherein the current value is the current value of the whole machine; the determination module 42 determines whether to start a self-cleaning function of the air conditioner according to a difference value between the first current value and a standard current value of the air conditioner. The problem of among the prior art air conditioner can't the self-cleaning function of self-triggering is solved for the air conditioner can be according to the change automatic decision of electric current value whether trigger self-cleaning function in the use, has improved the work efficiency of air conditioner, has improved user experience.
Preferably, the determination module 42 comprises: the first starting unit is used for starting the self-cleaning function of an outer machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is greater than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state; and the second starting unit is used for starting the self-cleaning function of the inner machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state.
Preferably, the above apparatus further comprises: the second obtaining module is used for obtaining a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected standard current value after the air conditioner operates for a specified time.
Preferably, the above apparatus further comprises: the establishing module is used for establishing an operation database; the storage module is used for storing the working condition of the air conditioner at the appointed moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, an air conditioner compressor, an air conditioner, a fan, a.
Preferably, the first obtaining module 40 includes: and the first acquisition unit is used for acquiring a first current value under the same working condition with the standard current value.
Preferably, the above apparatus further comprises: and the adjusting module is used for adjusting the running state of the air conditioner according to the first current value.
preferably, the adjusting module comprises: the second acquisition unit is used for acquiring the current operating frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner; and the adjusting unit is used for adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
According to another embodiment of the present invention, there is further provided a self-cleaning air conditioner, including any one of the above-mentioned embodiments, and the description of the device already described is omitted here.
example 3
Embodiments of the present invention also provide a storage medium having a computer program stored therein, wherein the computer program is arranged to perform the steps of any of the above method embodiments when executed.
alternatively, in the present embodiment, the storage medium may be configured to store a computer program for executing the steps of:
S1, acquiring a first current value of air conditioner operation in the air conditioner refrigeration operation process, wherein the current value is the current value of the whole machine;
And S2, determining whether to start the self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner.
Optionally, the storage medium is further arranged to store a computer program for performing the steps of:
When the difference value between the first current value and the standard current value of the air conditioner is larger than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an external unit of the air conditioner; and when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an inner machine of the air conditioner.
Optionally, the storage medium is further arranged to store a computer program for performing the steps of:
acquiring a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected standard current value after the air conditioner operates for a specified time.
Optionally, the storage medium is further arranged to store a computer program for performing the steps of:
Establishing an operation database, and storing the working condition of the air conditioner at the specified moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, an air conditioner compressor, an air conditioner, a fan, a.
Optionally, the storage medium is further arranged to store a computer program for performing the steps of:
Acquiring a current operating frequency value of an air conditioner compressor and a current external environment temperature value of an air conditioner; and adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
Optionally, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present invention also provide an electronic device comprising a memory having a computer program stored therein and a processor arranged to run the computer program to perform the steps of any of the above method embodiments.
Optionally, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
optionally, in this embodiment, the processor may be configured to execute the following steps by a computer program:
S1, acquiring a first current value of air conditioner operation in the air conditioner refrigeration operation process, wherein the current value is the current value of the whole machine;
and S2, determining whether to start the self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner.
optionally, the processor is further arranged to store a computer program for performing the steps of:
when the difference value between the first current value and the standard current value of the air conditioner is larger than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an external unit of the air conditioner; and when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an inner machine of the air conditioner.
Optionally, the processor is further arranged to store a computer program for performing the steps of:
Acquiring a standard current value of the air conditioner, wherein the standard current value is one of the following values: the initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed; and the corrected standard current value after the air conditioner operates for a specified time.
Optionally, the processor is further arranged to store a computer program for performing the steps of:
Establishing an operation database, and storing the working condition of the air conditioner at the specified moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, an air conditioner compressor, an air conditioner, a fan, a.
Optionally, the processor is further arranged to store a computer program for performing the steps of:
acquiring a current operating frequency value of an air conditioner compressor and a current external environment temperature value of an air conditioner; and adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and optional implementation manners, and details of this embodiment are not described herein again.
It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.

Claims (18)

1. A starting method of an air conditioner self-cleaning function is characterized by comprising the following steps:
in the air conditioner refrigeration operation process, obtaining a first current value of the air conditioner operation, wherein the current value is a whole machine current value;
determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and a standard current value of the air conditioner;
the determining whether to start a self-cleaning function of the air conditioner according to the difference value between the first current value and a standard current value of the air conditioner includes:
when the difference value between the first current value and the standard current value of the air conditioner is larger than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an outer unit of the air conditioner;
And when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state, starting a self-cleaning function of an inner machine of the air conditioner.
2. the method of claim 1, wherein prior to obtaining the first current value of air conditioning operation, the method further comprises:
acquiring a standard current value of the air conditioner, wherein the standard current value is one of the following values:
The initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed;
and the corrected correction standard current value is obtained after the air conditioner operates for a specified time.
3. the method of claim 2, further comprising:
Establishing an operation database, and storing the working condition of the air conditioner at the appointed moment in the operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, a control system and a control method.
4. The method of claim 3, wherein the obtaining the first current value for air conditioning operation comprises:
and acquiring the first current value under the same working condition with the standard current value.
5. the method of claim 1, wherein after obtaining the first current value of the air conditioning operation, the method further comprises:
and adjusting the running state of the air conditioner according to the first current value.
6. the method of claim 5, wherein the adjusting the operating state of the air conditioner according to the first current value comprises:
Acquiring a current operating frequency value of the air conditioner compressor and a current external environment temperature value of the air conditioner;
and adjusting the running state of the air conditioner according to the first current value, the current running frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
7. the method of claim 6,
the obtaining the first current value includes:
Acquiring a current first current value of the air conditioner, and comparing the current first current value with a preset current threshold value, wherein the preset current threshold value comprises a first current threshold value, a second current threshold value, a third current threshold value, a fourth current threshold value and a fifth current threshold value which are increased in sequence;
the obtaining of the current operating frequency value of the air conditioner compressor comprises:
Acquiring a frequency interval where a current operating frequency value of the air conditioner compressor is located, wherein the frequency interval comprises: a first frequency interval (f1, f 2), a second frequency interval (f2, f 3), a third frequency interval (f3, f 4), a fourth frequency interval (f4, f 5) and a fifth frequency interval (f5, ∞);
the acquiring of the current external environment temperature value of the air conditioner comprises:
The method comprises the steps of obtaining a current external environment temperature value of the air conditioner, and comparing the current external environment temperature value with a preset temperature threshold value, wherein the temperature threshold value comprises a first temperature threshold value and a second temperature threshold value in a refrigeration mode, and a third temperature threshold value and a fourth temperature threshold value in a heating mode, the second temperature threshold value is larger than the first temperature threshold value, and the fourth temperature threshold value is larger than the third temperature threshold value.
8. The method of claim 7, wherein the adjusting the operating state of the air conditioner according to the first current value comprises:
In a cooling mode of the air conditioner:
when the current external environment temperature value of the air conditioner is greater than or equal to the second temperature threshold value and the current compressor frequency value of the air conditioner is in the fourth frequency interval or the fifth frequency interval, if the first current value is greater than or equal to the first current threshold value and smaller than the fifth current threshold value, performing a process of reducing the frequency of the compressor of the air conditioner;
when the current external environment temperature value of the air conditioner is greater than or equal to the first temperature threshold value and smaller than the second temperature threshold value, and the current compressor frequency value of the air conditioner is in the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is smaller than the first temperature threshold value and the current compressor frequency value of the air conditioner is in the first frequency interval or the second frequency interval, if the first current value is larger than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner;
And when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
9. The method of claim 7, wherein the adjusting the operating state of the air conditioner according to the first current value comprises:
in a heating mode of the air conditioner:
When the current external environment temperature value of the air conditioner is greater than or equal to the fourth temperature threshold value, and the current compressor frequency value of the air conditioner is in the second frequency range or the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing a frequency reduction process on the compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is greater than or equal to the fourth temperature threshold value and the current compressor frequency value of the air conditioner is in the first frequency interval or the second frequency interval, if the first current value is greater than or equal to the third current threshold value and smaller than the fifth current threshold value, performing a process of reducing the frequency of the compressor of the air conditioner;
when the current external environment temperature value of the air conditioner is greater than or equal to the third temperature threshold value and smaller than the fourth temperature threshold value, and the current compressor frequency value of the air conditioner is in the third frequency range or the fourth frequency range or the fifth frequency range, if the first current value is greater than or equal to the second current threshold value and smaller than the fifth current threshold value, performing frequency reduction processing on a compressor of the air conditioner;
When the current external environment temperature value of the air conditioner is smaller than the third temperature threshold value and the current compressor frequency value of the air conditioner is in the fourth frequency interval or the fifth frequency interval, if the first current value is larger than or equal to the third current threshold value and smaller than the fifth current threshold value, performing a frequency reduction process on a compressor of the air conditioner;
And when the first current value is greater than or equal to the fifth current threshold value, executing shutdown processing on a compressor of the air conditioner.
10. a starting device for a self-cleaning function of an air conditioner is characterized by comprising:
The air conditioner control device comprises a first acquisition module, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring a first current value of the operation of the air conditioner in the refrigeration operation process of the air conditioner, and the current value is the current value of the whole air conditioner;
The determining module is used for determining whether to start a self-cleaning function of the air conditioner according to the difference value of the first current value and the standard current value of the air conditioner;
the determining module comprises:
The first starting unit is used for starting a self-cleaning function of an outer machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is greater than or equal to a first preset threshold value and the air conditioner is in a shutdown or shutdown state;
And the second starting unit is used for starting the self-cleaning function of the inner machine of the air conditioner when the difference value between the first current value and the standard current value of the air conditioner is smaller than or equal to a second preset threshold value and the air conditioner is in a shutdown or shutdown state.
11. The apparatus of claim 10, further comprising:
The second obtaining module is used for obtaining a standard current value of the air conditioner, wherein the standard current value is one of the following values:
The initial standard current value of the air conditioner when the air conditioner is put into use for the first time after the air conditioner is installed;
and the corrected correction standard current value is obtained after the air conditioner operates for a specified time.
12. The apparatus of claim 11, further comprising:
the establishing module is used for establishing an operation database;
the storage module is used for storing the working condition of the specified time in the air conditioner operation process into the operation database, wherein the working condition at least comprises one of the following conditions: the air conditioner comprises an air conditioner, a control system and a control method.
13. The apparatus of claim 12, wherein the first obtaining module comprises:
And the first acquisition unit is used for acquiring the first current value under the same working condition with the standard current value.
14. The apparatus of claim 10, further comprising:
and the adjusting module is used for adjusting the running state of the air conditioner according to the first current value.
15. The apparatus of claim 14, wherein the adjustment module comprises:
the second acquisition unit is used for acquiring the current operating frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner;
And the adjusting unit is used for adjusting the operation state of the air conditioner according to the first current value, the current operation frequency value of the air conditioner compressor and the current external environment temperature value of the air conditioner.
16. Self-cleaning air conditioner, characterized in that it comprises a device according to any one of claims 10 to 15.
17. a storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any of claims 1 to 9 when executed.
18. an electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 9.
CN201811113013.4A 2018-09-21 2018-09-21 Starting method and device for self-cleaning function of air conditioner and self-cleaning air conditioner Active CN109253526B (en)

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