CN107631447B - Operation control method, operation control device, air conditioner, and storage medium - Google Patents

Operation control method, operation control device, air conditioner, and storage medium Download PDF

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CN107631447B
CN107631447B CN201710919559.8A CN201710919559A CN107631447B CN 107631447 B CN107631447 B CN 107631447B CN 201710919559 A CN201710919559 A CN 201710919559A CN 107631447 B CN107631447 B CN 107631447B
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air conditioner
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compressor
outdoor environment
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CN107631447A (en
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廖荣华
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GD Midea Air Conditioning Equipment Co Ltd
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Abstract

The invention provides an operation control method, an operation control device, an air conditioner and a storage medium, wherein the operation control method comprises the following steps: when the air conditioner is detected to operate in any operation mode and the first temperature sensor is detected to operate abnormally, acquiring the outdoor environment temperature; determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature so as to determine a first temperature threshold interval corresponding to the first temperature difference value; and determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode. Through the technical scheme of the invention, the probability of excessive refrigeration and excessive heating is reduced, the running state of the compressor close to the first temperature sensor during normal work is realized, and the use experience of a user is improved.

Description

Operation control method, operation control device, air conditioner, and storage medium
Technical Field
The invention relates to the field of air conditioners, in particular to an operation control method of an air conditioner, an operation control device of the air conditioner, the air conditioner and a computer readable storage medium.
Background
In the related art, the ambient temperature sensor may have a phenomenon of failure after the air conditioner operates for a period of time, and since the room temperature sensor determines whether the compressor needs to be started or stopped by detecting the indoor ambient temperature, the processing method in the prior art when the room temperature sensor has a fault has the following defects:
(1) forced shutdown results in that the user cannot use the air conditioner, and the use feeling of the user is influenced.
(2) The compressor is controlled to work according to the fixed on-off time, for example, the compressor is switched on for 5 minutes, and for example, the compressor is output in a certain cycle, the method easily causes the purpose that the user excessively refrigerates or excessively heats or cannot cool or heat at all, and the use experience of the user is influenced.
(3) The variable frequency air conditioner outputs according to fixed power, and the method easily causes excessive refrigeration or excessive heating of a user, or cannot achieve the purpose of rapid cooling or heating, and influences the use experience of the user.
Disclosure of Invention
In order to solve at least one of the above technical problems, an object of the present invention is to provide an operation control method of an air conditioner.
Another object of the present invention is to provide an operation control device of an air conditioner.
It is still another object of the present invention to provide an air conditioner.
It is yet another object of the present invention to provide a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention proposes an operation control method of an air conditioner, including: when the air conditioner is detected to operate in any operation mode and the first temperature sensor is detected to operate abnormally, acquiring the outdoor environment temperature; determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature so as to determine a first temperature threshold interval corresponding to the first temperature difference value; and determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode.
In the technical scheme, when the air conditioner operates in any operation mode, when a fault of a first temperature sensor (used for collecting indoor environment temperature) is detected, the outdoor environment temperature is collected, the indoor environment temperature is estimated according to the outdoor environment temperature, a first temperature difference value required to be adjusted by the air conditioner is estimated according to the outdoor environment temperature and the preset operation temperature, a preset first temperature threshold interval corresponding to the first temperature difference value is determined, and then the operation parameters of the corresponding compressor are determined according to the current operation mode and the determined first temperature threshold interval, so that the compressor is controlled to operate under the operation parameters.
When detecting that first temperature sensor appears unusually, on the one hand, compare with the mode of forcing the shutdown among the prior art, user's use experience has been promoted, on the other hand compares with the mode according to switching frequency control compressor operation among the prior art, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, on the other hand, compare with the mode according to fixed power control compressor operation, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, and realize intensification or cooling effect, realize the running state when the compressor is close to first temperature sensor normal operating, user's use experience has further been promoted.
The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor heat exchanger, an indoor control circuit board (control end), an indoor environment temperature sensor (first temperature sensor), an indoor heat exchanger temperature sensor (second temperature sensor), a remote control device and the like, and the outdoor unit comprises an outdoor control circuit board, a variable frequency compressor and an outdoor environment temperature sensor (third temperature sensor).
The method comprises the steps that a starting operation instruction received by the air conditioner comprises an operation mode, a preset operation temperature, a preset operation wind speed and the like, when a signal receiving module belonging to an indoor control circuit board receives the operation instruction, an indoor environment temperature (T1) is collected through a first sensor, when the first sensor is detected to work abnormally, the relation between the preset operation temperature TS and the actual T1 temperature cannot be normally compared, so that control logic is lost, under the condition, the indoor environment temperature can be estimated according to the outdoor environment temperature, a first temperature difference value (△ T1) is determined according to the relation between the outdoor environment temperature (T3) and the preset environment Temperature (TS), a corresponding temperature range is further determined, and therefore a proper capacity section is selected to achieve the purposes of selecting proper output quantity according to the actual use environment close to a user and reducing the probability of excessive heating or excessive cooling.
And determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature, wherein the first temperature difference value can be the difference value between the outdoor environment temperature and the preset operation temperature when the outdoor temperature is consistent with the indoor temperature, and can also be the difference value between a corrected value obtained after the outdoor environment temperature is corrected and the preset operation temperature when the outdoor temperature is inconsistent with the indoor temperature.
In addition, the operation control method of the air conditioner in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the method further includes: when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger; determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value; determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode; and correcting the operation parameter according to the operation correction index so as to control the operation of the compressor according to the corrected operation parameter.
According to the technical scheme, when the outdoor environment temperature is collected, the surface temperature of the indoor heat exchanger is synchronously collected, the fact that the indoor environment temperature is reduced (or increased) in the refrigerating process is determined according to the surface temperature, the energy consumption level needs to be adjusted along with the reduction or increase of the indoor environment temperature, namely, the operation correction index is determined, the second temperature difference value is determined according to the surface temperature of the indoor heat exchanger and the outdoor environment temperature, the second temperature threshold interval is determined according to the second temperature difference value, the corresponding operation correction index is further determined, the compressor is enabled to operate according to the corrected operation parameters, the probability of occurrence of excessive refrigerating or excessive heating is further reduced, energy consumption is saved, and meanwhile the use experience of a user is further improved.
Wherein, when the air conditioner carries out the cooling operation, indoor heat exchanger is the evaporimeter, when the air conditioner carries out the heating operation, indoor heat exchanger is the condenser.
Specifically, the actual output (energy efficiency level, i.e., correction index) is adjusted according to the temperature variation of the actual indoor heat exchanger, after the air conditioner starts the compressor to operate in a cooling or heating mode, the temperature of the indoor heat exchanger (T2) changes, and the temperature of the indoor environment also rises or falls due to the generation of corresponding cold or hot air, while the temperature of the indoor heat exchanger T2 also correspondingly rises or falls along with the rise or fall of the indoor environment if the original operation parameters are maintained (the operation parameters are determined by △ T1-T4-TS), and the corresponding capacity output must be reduced to avoid excessive cooling or excessive heating due to the fact that the usage environment temperature is close to the temperature required by the user.
In addition, by collecting the temperature of the indoor heat exchanger, on one hand, when the air conditioner is in a cooling mode, if the temperature of the indoor heat exchanger (namely an evaporator) is too low and is close to 0 ℃, the phenomenon of icing can be generated, the compressor can be controlled to be turned off at the moment to realize too low temperature protection, on the other hand, when the air conditioner is in a heating mode, if the temperature of the indoor heat exchanger (namely a condenser) is too high, the plastic shell of the indoor unit can be caused to deform and even spontaneously combust, and at the moment, the compressor is controlled to be turned off to realize too high temperature protection.
The modifying of the operating parameters may include determining a modification index (i.e., energy level) from △ T1 for a capacity demand segment (i.e., operating parameters) and △ T2 (i.e., temperature difference between T4 and T2), and calculating an output compressor frequency or time based on the operating parameter modification index to control compressor operation.
In any of the above technical solutions, preferably, before collecting the outdoor ambient temperature when detecting that the air conditioner operates in any operation mode and detecting that the first temperature sensor operates abnormally, the method further includes: in each operation mode, presetting corresponding relations between a plurality of first temperature threshold intervals and operation parameters; and presetting the corresponding relation between a plurality of second temperature threshold intervals and the operation correction index.
In the technical scheme, each first threshold interval corresponds to one group of operation parameters by presetting the corresponding relation between a plurality of first temperature threshold intervals and the operation parameters, each group of operation parameters represents the operation capacity section of one compressor, as shown in table 1, each first threshold interval corresponds to one correction index by presetting the corresponding relation between a plurality of second temperature threshold intervals and the correction indexes, the correction indexes can be percentages as shown in table 2, so that the division of different preset temperature intervals by different operation modes is realized, and the compressor is controlled more accurately when a first temperature sensor fails, so that the use requirements of users are met.
TABLE 1
Figure BDA0001426329140000041
TABLE 2
Figure BDA0001426329140000042
The capacity segments 1 to 18 may be a set of operating parameters pre-stored in the indoor control circuit board, or may be set by the user according to the use requirement.
The percentage 1 to the percentage 18 can be a set of data pre-stored in the indoor control circuit board, and can also be set by a user according to the use requirement.
In addition, the temperature interval can be further divided in detail to further improve the control accuracy.
In any of the above technical solutions, preferably, the method further includes: respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine a corrected operation parameter according to the outdoor environment temperature and the surface temperature; and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
According to the technical scheme, the environment temperature and the surface temperature are respectively collected according to the preset collection frequency to determine the corrected operation parameters, then correction is carried out according to the correction frequency, in the operation process of the compressor, although the actual indoor environment temperature cannot be normally collected, the operation is controlled through the corrected operation parameters, the control state of the compressor is always updated according to the correction frequency, the difference value between the indoor environment temperature and the preset operation temperature is gradually reduced, the temperature difference is in an allowable error range, the operation control accuracy is further improved, and the excessive refrigeration or excessive heating condition is further reduced.
The acquisition frequency and the correction frequency can be the same, and the acquisition frequency and the correction frequency can be synchronous or asynchronous.
In any of the above technical solutions, preferably, the operation parameter includes at least one of an operation duration, an operation frequency, and a cooling and heating efficiency; the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
In the technical scheme, the operation parameter comprises at least one of operation time, operation frequency and operation efficiency (namely refrigeration and heating efficiency), and the capacity section is represented by the operation time, the operation frequency and the operation efficiency.
The operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode, and an air blowing mode, but is not limited to the above operation mode.
Specifically, the operation parameter only represents an average value of the output energy of the air conditioner in a period of time, and may be an operation frequency of the compressor, or a maximum operation time and a relative stop time of the compressor at a specified frequency, and the correction index mainly represents a percentage of the maximum output energy of the air conditioner in a period of time.
An embodiment of a second aspect of the present invention provides an operation control device of an air conditioner, including: the acquisition unit is used for acquiring the outdoor environment temperature when the air conditioner is detected to operate in any operation mode and the first temperature sensor is detected to operate abnormally; the determining unit is used for determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature so as to determine a first temperature threshold value interval corresponding to the first temperature difference value; the determination unit is further configured to: and determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode.
In the technical scheme, when the air conditioner operates in any operation mode, when a fault of a first temperature sensor (used for collecting indoor environment temperature) is detected, the outdoor environment temperature is collected, the indoor environment temperature is estimated according to the outdoor environment temperature, a first temperature difference value required to be adjusted by the air conditioner is estimated according to the outdoor environment temperature and the preset operation temperature, a preset first temperature threshold interval corresponding to the first temperature difference value is determined, and then the operation parameters of the corresponding compressor are determined according to the current operation mode and the determined first temperature threshold interval, so that the compressor is controlled to operate under the operation parameters.
When detecting that first temperature sensor appears unusually, on the one hand, compare with the mode of forcing the shutdown among the prior art, promoted user's use and experienced, on the other hand compares with the mode of controlling the compressor operation according to switching frequency among the prior art, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, on the other hand, compare with the mode of controlling the compressor operation according to fixed power, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, and realize intensification or cooling effect, further promoted user's use and experienced.
The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor heat exchanger, an indoor control circuit board (control end), an indoor environment temperature sensor (first temperature sensor), an indoor heat exchanger temperature sensor (second temperature sensor), a remote control device and the like, and the outdoor unit comprises an outdoor control circuit board, a variable frequency compressor and an outdoor environment temperature sensor (third temperature sensor).
The method comprises the steps that a starting operation instruction received by the air conditioner comprises an operation mode, a preset operation temperature, a preset operation wind speed and the like, when a signal receiving module belonging to an indoor control circuit board receives the operation instruction, an indoor environment temperature (T1) is collected through a first sensor, when the first sensor is detected to work abnormally, the relation between the preset operation temperature TS and the actual T1 temperature cannot be normally compared, so that control logic is lost, under the condition, the indoor environment temperature can be estimated according to the outdoor environment temperature, a first temperature difference value (△ T1) is determined according to the relation between the outdoor environment temperature (T3) and the preset environment Temperature (TS), a corresponding temperature range is further determined, and therefore a proper capacity section is selected to achieve the purposes of selecting proper output quantity according to the actual use environment close to a user and reducing the probability of excessive heating or excessive cooling.
And determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature, wherein the first temperature difference value can be the difference value between the outdoor environment temperature and the preset operation temperature when the outdoor temperature is consistent with the indoor temperature, and can also be the difference value between a corrected value obtained after the outdoor environment temperature is corrected and the preset operation temperature when the outdoor temperature is inconsistent with the indoor temperature.
In the above technical solution, preferably, the acquisition unit is further configured to: when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger; the determination unit is further configured to: determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value; the determination unit is further configured to: determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode; the operation control device further includes: and the control unit is used for correcting the operation parameters according to the operation correction index so as to control the operation of the compressor according to the corrected operation parameters.
According to the technical scheme, when the outdoor environment temperature is collected, the surface temperature of the indoor heat exchanger is synchronously collected, the fact that the indoor environment temperature is reduced (or increased) in the refrigerating process is determined according to the surface temperature, the energy consumption level needs to be adjusted along with the reduction or increase of the indoor environment temperature, namely, the operation correction index is determined, the second temperature difference value is determined according to the surface temperature of the indoor heat exchanger and the outdoor environment temperature, the second temperature threshold interval is determined according to the second temperature difference value, the corresponding operation correction index is further determined, the compressor is enabled to operate according to the corrected operation parameters, the probability of occurrence of excessive refrigerating or excessive heating is further reduced, energy consumption is saved, and meanwhile the use experience of a user is further improved.
Wherein, when the air conditioner carries out the cooling operation, indoor heat exchanger is the evaporimeter, when the air conditioner carries out the heating operation, indoor heat exchanger is the condenser.
Specifically, the actual output (energy efficiency level, i.e., correction index) is adjusted according to the temperature variation of the actual indoor heat exchanger, after the air conditioner starts the compressor to operate in a cooling or heating mode, the temperature of the indoor heat exchanger (T2) changes, and the temperature of the indoor environment also rises or falls due to the generation of corresponding cold or hot air, while the temperature of the indoor heat exchanger T2 also correspondingly rises or falls along with the rise or fall of the indoor environment if the original operation parameters are maintained (the operation parameters are determined by △ T1-T4-TS), and the corresponding capacity output must be reduced to avoid excessive cooling or excessive heating due to the fact that the usage environment temperature is close to the temperature required by the user.
In addition, by collecting the temperature of the indoor heat exchanger, on one hand, when the air conditioner is in a cooling mode, if the temperature of the indoor heat exchanger (namely an evaporator) is too low and is close to 0 ℃, the phenomenon of icing can be generated, the compressor can be controlled to be turned off at the moment to realize too low temperature protection, on the other hand, when the air conditioner is in a heating mode, if the temperature of the indoor heat exchanger (namely a condenser) is too high, the plastic shell of the indoor unit can be caused to deform and even spontaneously combust, and at the moment, the compressor is controlled to be turned off to realize too high temperature protection.
The modifying of the operating parameters may include determining a modification index (i.e., energy level) from △ T1 for a capacity demand segment (i.e., operating parameters) and △ T2 (i.e., temperature difference between T4 and T2), and calculating an output compressor frequency or time based on the operating parameter modification index to control compressor operation.
In any of the above technical solutions, preferably, the method further includes: the first presetting unit is used for presetting the corresponding relation between a plurality of first temperature threshold value intervals and the operation parameters in each operation mode; and the second preset unit is used for presetting the corresponding relation between a plurality of second temperature threshold value intervals and the operation correction index.
In the technical scheme, each first threshold interval corresponds to one group of operation parameters by presetting the corresponding relation between a plurality of first temperature threshold intervals and the operation parameters, each group of operation parameters represents the operation capacity section of one compressor, as shown in table 1, each first threshold interval corresponds to one correction index by presetting the corresponding relation between a plurality of second temperature threshold intervals and the correction indexes, the correction indexes can be percentages as shown in table 2, so that the division of different preset temperature intervals by different operation modes is realized, and the compressor is controlled more accurately when a first temperature sensor fails, so that the use requirements of users are met.
TABLE 1
Figure BDA0001426329140000081
TABLE 2
Figure BDA0001426329140000082
The capacity segments 1 to 18 may be a set of operating parameters pre-stored in the indoor control circuit board, or may be set by the user according to the use requirement.
The percentage 1 to the percentage 18 can be a set of data pre-stored in the indoor control circuit board, and can also be set by a user according to the use requirement.
In addition, the temperature interval can be further divided in detail to further improve the control accuracy.
In any of the above technical solutions, preferably, the acquisition unit is further configured to: respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine a corrected operation parameter according to the outdoor environment temperature and the surface temperature; the determination unit is further configured to: and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
According to the technical scheme, the environment temperature and the surface temperature are respectively collected according to the preset collection frequency to determine the corrected operation parameters, then correction is carried out according to the correction frequency, in the operation process of the compressor, although the actual indoor environment temperature cannot be normally collected, the operation is controlled through the corrected operation parameters, the control state of the compressor is always updated according to the correction frequency, the difference value between the indoor environment temperature and the preset operation temperature is gradually reduced, the temperature difference is in an allowable error range, the operation control accuracy is further improved, and the excessive refrigeration or excessive heating condition is further reduced.
The acquisition frequency and the correction frequency can be the same, and the acquisition frequency and the correction frequency can be synchronous or asynchronous.
In any of the above technical solutions, preferably, the operation parameter includes at least one of an operation duration, an operation frequency, and a cooling and heating efficiency; the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
In the technical scheme, the operation parameter comprises at least one of operation time, operation frequency and operation efficiency (namely refrigeration and heating efficiency), and the capacity section is represented by the operation time, the operation frequency and the operation efficiency.
The operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode, and an air blowing mode, but is not limited to the above operation mode.
Specifically, the operation parameter only represents an average value of the output energy of the air conditioner in a period of time, and may be an operation frequency of the compressor, or a maximum operation time and a relative stop time of the compressor at a specified frequency, and the correction index mainly represents a percentage of the maximum output energy of the air conditioner in a period of time.
An embodiment of the third aspect of the present invention provides an air conditioner, including a processor, configured to implement the steps of the operation control method according to any one of the above-described solutions of the first aspect when the processor executes a computer program stored in a memory.
An embodiment of the fourth aspect of the present invention proposes a computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the steps of the operation control method according to any one of the above-mentioned solutions of the first aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic flow diagram of an operation control method according to an embodiment of the invention;
FIG. 2 shows a schematic block diagram of an operation control device according to an embodiment of the present invention;
fig. 3 is a schematic configuration diagram showing an operation control apparatus according to an embodiment of the present invention;
FIG. 4 shows a schematic flow diagram of an operation control method according to another embodiment of the present invention;
FIG. 5 shows a schematic flow diagram of an operation control method according to yet another embodiment of the present invention;
FIG. 6 illustrates a schematic block diagram of an air conditioner according to an embodiment of the present invention;
fig. 7 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Fig. 1 shows a schematic flow diagram of an operation control method according to an embodiment of the invention.
As shown in fig. 1, an operation control method according to an embodiment of the present invention includes: step 102, collecting outdoor environment temperature when detecting that the air conditioner operates in any operation mode and detecting that a first temperature sensor operates abnormally; 104, determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature so as to determine a first temperature threshold interval corresponding to the first temperature difference value; and 106, determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode.
In the technical scheme, when the air conditioner operates in any operation mode, when a fault of a first temperature sensor (used for collecting indoor environment temperature) is detected, the outdoor environment temperature is collected, the indoor environment temperature is estimated according to the outdoor environment temperature, a first temperature difference value required to be adjusted by the air conditioner is estimated according to the outdoor environment temperature and the preset operation temperature, a preset first temperature threshold interval corresponding to the first temperature difference value is determined, and then the operation parameters of the corresponding compressor are determined according to the current operation mode and the determined first temperature threshold interval, so that the compressor is controlled to operate under the operation parameters.
When detecting that first temperature sensor appears unusually, on the one hand, compare with the mode of forcing the shutdown among the prior art, promoted user's use and experienced, on the other hand compares with the mode of controlling the compressor operation according to switching frequency among the prior art, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, on the other hand, compare with the mode of controlling the compressor operation according to fixed power, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, and realize intensification or cooling effect, further promoted user's use and experienced.
As shown in fig. 3, the air conditioner includes an indoor unit 302 and an outdoor unit 304, the indoor unit 302 includes an indoor heat exchanger, an indoor control circuit board 3022 (control end), an indoor ambient temperature sensor 3024 (first temperature sensor), an indoor heat exchanger temperature sensor 3026 (second temperature sensor), a remote control device 3028, and the like, and the outdoor unit 304 includes an outdoor control circuit board 3042, an inverter compressor 3046, and an outdoor ambient temperature sensor 3044 (third temperature sensor).
The method comprises the steps that a starting operation instruction received by the air conditioner comprises an operation mode, a preset operation temperature, a preset operation wind speed and the like, when a signal receiving module belonging to an indoor control circuit board receives the operation instruction, an indoor environment temperature (T1) is collected through a first sensor, when the first sensor is detected to work abnormally, the relation between the preset operation temperature TS and the actual T1 temperature cannot be normally compared, so that control logic is lost, under the condition, the indoor environment temperature can be estimated according to the outdoor environment temperature, a first temperature difference value (△ T1) is determined according to the relation between the outdoor environment temperature (T3) and the preset environment Temperature (TS), a corresponding temperature range is further determined, and therefore a proper capacity section is selected to achieve the purposes of selecting proper output quantity according to the actual use environment close to a user and reducing the probability of excessive heating or excessive cooling.
And determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature, wherein the first temperature difference value can be the difference value between the outdoor environment temperature and the preset operation temperature when the outdoor temperature is consistent with the indoor temperature, and can also be the difference value between a corrected value obtained after the outdoor environment temperature is corrected and the preset operation temperature when the outdoor temperature is inconsistent with the indoor temperature.
In addition, the operation control method of the air conditioner in the above embodiment provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the method further includes: when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger; determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value; determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode; and correcting the operation parameter according to the operation correction index so as to control the operation of the compressor according to the corrected operation parameter.
According to the technical scheme, when the outdoor environment temperature is collected, the surface temperature of the indoor heat exchanger is synchronously collected, the fact that the indoor environment temperature is reduced (or increased) in the refrigerating process is determined according to the surface temperature, the energy consumption level needs to be adjusted along with the reduction or increase of the indoor environment temperature, namely, the operation correction index is determined, the second temperature difference value is determined according to the surface temperature of the indoor heat exchanger and the outdoor environment temperature, the second temperature threshold interval is determined according to the second temperature difference value, the corresponding operation correction index is further determined, the compressor is enabled to operate according to the corrected operation parameters, the probability of occurrence of excessive refrigerating or excessive heating is further reduced, energy consumption is saved, and meanwhile the use experience of a user is further improved.
Wherein, when the air conditioner carries out the cooling operation, indoor heat exchanger is the evaporimeter, when the air conditioner carries out the heating operation, indoor heat exchanger is the condenser.
Specifically, the actual output (energy efficiency level, i.e., correction index) is adjusted according to the temperature variation of the actual indoor heat exchanger, after the air conditioner starts the compressor to operate in a cooling or heating mode, the temperature of the indoor heat exchanger (T2) changes, and the temperature of the indoor environment also rises or falls due to the generation of corresponding cold or hot air, while the temperature of the indoor heat exchanger T2 also correspondingly rises or falls along with the rise or fall of the indoor environment if the original operation parameters are maintained (the operation parameters are determined by △ T1-T4-TS), and the corresponding capacity output must be reduced to avoid excessive cooling or excessive heating due to the fact that the usage environment temperature is close to the temperature required by the user.
In addition, by collecting the temperature of the indoor heat exchanger, on one hand, when the air conditioner is in a cooling mode, if the temperature of the indoor heat exchanger (namely an evaporator) is too low and is close to 0 ℃, the phenomenon of icing can be generated, the compressor can be controlled to be turned off at the moment to realize too low temperature protection, on the other hand, when the air conditioner is in a heating mode, if the temperature of the indoor heat exchanger (namely a condenser) is too high, the plastic shell of the indoor unit can be caused to deform and even spontaneously combust, and at the moment, the compressor is controlled to be turned off to realize too high temperature protection.
The modifying of the operating parameters may include determining a modification index (i.e., energy level) from △ T1 for a capacity demand segment (i.e., operating parameters) and △ T2 (i.e., temperature difference between T4 and T2), and calculating an output compressor frequency or time based on the operating parameter modification index to control compressor operation.
In any of the above technical solutions, preferably, before collecting the outdoor ambient temperature when detecting that the air conditioner operates in any operation mode and detecting that the first temperature sensor operates abnormally, the method further includes: in each operation mode, presetting corresponding relations between a plurality of first temperature threshold intervals and operation parameters; and presetting the corresponding relation between a plurality of second temperature threshold intervals and the operation correction index.
In the technical scheme, each first threshold interval corresponds to one group of operation parameters by presetting the corresponding relation between a plurality of first temperature threshold intervals and the operation parameters, each group of operation parameters represents the operation capacity section of one compressor, as shown in table 1, each first threshold interval corresponds to one correction index by presetting the corresponding relation between a plurality of second temperature threshold intervals and the correction indexes, the correction indexes can be percentages as shown in table 2, so that the division of different preset temperature intervals by different operation modes is realized, and the compressor is controlled more accurately when a first temperature sensor fails, so that the use requirements of users are met.
TABLE 1
Figure BDA0001426329140000131
TABLE 2
Figure BDA0001426329140000132
The capacity segments 1 to 18 may be a set of operating parameters pre-stored in the indoor control circuit board, or may be set by the user according to the use requirement.
The percentage 1 to the percentage 18 can be a set of data pre-stored in the indoor control circuit board, and can also be set by a user according to the use requirement.
In addition, the temperature interval can be further divided in detail to further improve the control accuracy.
In any of the above technical solutions, preferably, the method further includes: respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine a corrected operation parameter according to the outdoor environment temperature and the surface temperature; and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
According to the technical scheme, the environment temperature and the surface temperature are respectively collected according to the preset collection frequency to determine the corrected operation parameters, then correction is carried out according to the correction frequency, in the operation process of the compressor, although the actual indoor environment temperature cannot be normally collected, the operation is controlled through the corrected operation parameters, the control state of the compressor is always updated according to the correction frequency, the difference value between the indoor environment temperature and the preset operation temperature is gradually reduced, the temperature difference is in an allowable error range, the operation control accuracy is further improved, and the excessive refrigeration or excessive heating condition is further reduced.
The acquisition frequency and the correction frequency can be the same, and the acquisition frequency and the correction frequency can be synchronous or asynchronous.
In any of the above technical solutions, preferably, the operation parameter includes at least one of an operation duration, an operation frequency, and a cooling and heating efficiency; the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
In the technical scheme, the operation parameter comprises at least one of operation time, operation frequency and operation efficiency (namely refrigeration and heating efficiency), and the capacity section is represented by the operation time, the operation frequency and the operation efficiency.
The operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode, and an air blowing mode, but is not limited to the above operation mode.
Specifically, the operation parameter only represents an average value of the output energy of the air conditioner in a period of time, and may be an operation frequency of the compressor, or a maximum operation time and a relative stop time of the compressor at a specified frequency, and the correction index mainly represents a percentage of the maximum output energy of the air conditioner in a period of time.
Fig. 2 shows a schematic block diagram of an operation control device according to an embodiment of the present invention.
As shown in fig. 2, an operation control device 200 according to an embodiment of the present invention includes: the acquisition unit 202 is used for acquiring the outdoor environment temperature when the air conditioner is detected to operate in any operation mode and the first temperature sensor is detected to operate abnormally; the determining unit 204 is configured to determine a first temperature difference value according to the outdoor environment temperature and a preset operating temperature, so as to determine a first temperature threshold interval corresponding to the first temperature difference value; the determining unit 204 is further configured to: and determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode.
In the technical scheme, when the air conditioner operates in any operation mode, when a fault of a first temperature sensor (used for collecting indoor environment temperature) is detected, the outdoor environment temperature is collected, the indoor environment temperature is estimated according to the outdoor environment temperature, a first temperature difference value required to be adjusted by the air conditioner is estimated according to the outdoor environment temperature and the preset operation temperature, a preset first temperature threshold interval corresponding to the first temperature difference value is determined, and then the operation parameters of the corresponding compressor are determined according to the current operation mode and the determined first temperature threshold interval, so that the compressor is controlled to operate under the operation parameters.
When detecting that first temperature sensor appears unusually, on the one hand, compare with the mode of forcing the shutdown among the prior art, promoted user's use and experienced, on the other hand compares with the mode of controlling the compressor operation according to switching frequency among the prior art, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, on the other hand, compare with the mode of controlling the compressor operation according to fixed power, can reduce the probability that the phenomenon of excessive refrigeration or excessive heating produced, and realize intensification or cooling effect, further promoted user's use and experienced.
The air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an indoor heat exchanger, an indoor control circuit board (control end), an indoor environment temperature sensor (first temperature sensor), an indoor heat exchanger temperature sensor (second temperature sensor), a remote control device and the like, and the outdoor unit comprises an outdoor control circuit board, a variable frequency compressor and an outdoor environment temperature sensor (third temperature sensor).
The method comprises the steps that a starting operation instruction received by the air conditioner comprises an operation mode, a preset operation temperature, a preset operation wind speed and the like, when a signal receiving module belonging to an indoor control circuit board receives the operation instruction, an indoor environment temperature (T1) is collected through a first sensor, when the first sensor is detected to work abnormally, the relation between the preset operation temperature TS and the actual T1 temperature cannot be normally compared, so that control logic is lost, under the condition, the indoor environment temperature can be estimated according to the outdoor environment temperature, a first temperature difference value (△ T1) is determined according to the relation between the outdoor environment temperature (T3) and the preset environment Temperature (TS), a corresponding temperature range is further determined, and therefore a proper capacity section is selected to achieve the purposes of selecting proper output quantity according to the actual use environment close to a user and reducing the probability of excessive heating or excessive cooling.
And determining a first temperature difference value according to the outdoor environment temperature and the preset operation temperature, wherein the first temperature difference value can be the difference value between the outdoor environment temperature and the preset operation temperature when the outdoor temperature is consistent with the indoor temperature, and can also be the difference value between a corrected value obtained after the outdoor environment temperature is corrected and the preset operation temperature when the outdoor temperature is inconsistent with the indoor temperature.
In the above technical solution, preferably, the acquisition unit 202 is further configured to: when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger; the determining unit 204 is further configured to: determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value; the determining unit 204 is further configured to: determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode; the operation control device further includes: and a control unit 206 for correcting the operation parameter according to the operation correction index to control the operation of the compressor according to the corrected operation parameter.
According to the technical scheme, when the outdoor environment temperature is collected, the surface temperature of the indoor heat exchanger is synchronously collected, the fact that the indoor environment temperature is reduced (or increased) in the refrigerating process is determined according to the surface temperature, the energy consumption level needs to be adjusted along with the reduction or increase of the indoor environment temperature, namely, the operation correction index is determined, the second temperature difference value is determined according to the surface temperature of the indoor heat exchanger and the outdoor environment temperature, the second temperature threshold interval is determined according to the second temperature difference value, the corresponding operation correction index is further determined, the compressor is enabled to operate according to the corrected operation parameters, the probability of occurrence of excessive refrigerating or excessive heating is further reduced, energy consumption is saved, and meanwhile the use experience of a user is further improved.
Wherein, when the air conditioner carries out the cooling operation, indoor heat exchanger is the evaporimeter, when the air conditioner carries out the heating operation, indoor heat exchanger is the condenser.
Specifically, the actual output (energy efficiency level, i.e., correction index) is adjusted according to the temperature variation of the actual indoor heat exchanger, after the air conditioner starts the compressor to operate in a cooling or heating mode, the temperature of the indoor heat exchanger (T2) changes, and the temperature of the indoor environment also rises or falls due to the generation of corresponding cold or hot air, while the temperature of the indoor heat exchanger T2 also correspondingly rises or falls along with the rise or fall of the indoor environment if the original operation parameters are maintained (the operation parameters are determined by △ T1-T4-TS), and the corresponding capacity output must be reduced to avoid excessive cooling or excessive heating due to the fact that the usage environment temperature is close to the temperature required by the user.
In addition, by collecting the temperature of the indoor heat exchanger, on one hand, when the air conditioner is in a cooling mode, if the temperature of the indoor heat exchanger (namely an evaporator) is too low and is close to 0 ℃, the phenomenon of icing can be generated, the compressor can be controlled to be turned off at the moment to realize too low temperature protection, on the other hand, when the air conditioner is in a heating mode, if the temperature of the indoor heat exchanger (namely a condenser) is too high, the plastic shell of the indoor unit can be caused to deform and even spontaneously combust, and at the moment, the compressor is controlled to be turned off to realize too high temperature protection.
The modifying of the operating parameters may include determining a modification index (i.e., energy level) from △ T1 for a capacity demand segment (i.e., operating parameters) and △ T2 (i.e., temperature difference between T4 and T2), and calculating an output compressor frequency or time based on the operating parameter modification index to control compressor operation.
In any of the above technical solutions, preferably, the method further includes: a first presetting unit 208, configured to preset, in each operation mode, a corresponding relationship between a plurality of first temperature threshold intervals and an operation parameter; the second presetting unit 210 is configured to preset a corresponding relationship between a plurality of second temperature threshold intervals and the operation correction index.
In the technical scheme, each first threshold interval corresponds to one group of operation parameters by presetting the corresponding relation between a plurality of first temperature threshold intervals and the operation parameters, each group of operation parameters represents the operation capacity section of one compressor, as shown in table 1, each first threshold interval corresponds to one correction index by presetting the corresponding relation between a plurality of second temperature threshold intervals and the correction indexes, the correction indexes can be percentages as shown in table 2, so that the division of different preset temperature intervals by different operation modes is realized, and the compressor is controlled more accurately when a first temperature sensor fails, so that the use requirements of users are met.
TABLE 1
Figure BDA0001426329140000171
TABLE 2
Figure BDA0001426329140000172
The capacity segments 1 to 18 may be a set of operating parameters pre-stored in the indoor control circuit board, or may be set by the user according to the use requirement.
The percentage 1 to the percentage 18 can be a set of data pre-stored in the indoor control circuit board, and can also be set by a user according to the use requirement.
In addition, the temperature interval can be further divided in detail to further improve the control accuracy.
In any of the above technical solutions, preferably, the acquisition unit 202 is further configured to: respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine a corrected operation parameter according to the outdoor environment temperature and the surface temperature; the determining unit 204 is further configured to: and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
According to the technical scheme, the environment temperature and the surface temperature are respectively collected according to the preset collection frequency to determine the corrected operation parameters, then correction is carried out according to the correction frequency, in the operation process of the compressor, although the actual indoor environment temperature cannot be normally collected, the operation is controlled through the corrected operation parameters, the control state of the compressor is always updated according to the correction frequency, the difference value between the indoor environment temperature and the preset operation temperature is gradually reduced, the temperature difference is in an allowable error range, the operation control accuracy is further improved, and the excessive refrigeration or excessive heating condition is further reduced.
The acquisition frequency and the correction frequency can be the same, and the acquisition frequency and the correction frequency can be synchronous or asynchronous.
In any of the above technical solutions, preferably, the operation parameter includes at least one of an operation duration, an operation frequency, and a cooling and heating efficiency; the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
In the technical scheme, the operation parameter comprises at least one of operation time, operation frequency and operation efficiency (namely refrigeration and heating efficiency), and the capacity section is represented by the operation time, the operation frequency and the operation efficiency.
The operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode, and an air blowing mode, but is not limited to the above operation mode.
Specifically, the operation parameter only represents an average value of the output energy of the air conditioner in a period of time, and may be an operation frequency of the compressor, or a maximum operation time and a relative stop time of the compressor at a specified frequency, and the correction index mainly represents a percentage of the maximum output energy of the air conditioner in a period of time.
The operation control scheme of the present invention will be further described with reference to fig. 3 to 5.
As shown in fig. 3, the air conditioner includes an indoor unit 302 and an outdoor unit 304, the indoor unit 302 includes an indoor heat exchanger, an indoor control circuit board 3022 (control end), an indoor ambient temperature sensor 3024 (first temperature sensor), an indoor heat exchanger temperature sensor 3026 (second temperature sensor), a remote control device 3028, and the like, and the outdoor unit 304 includes an outdoor control circuit board 3042, an inverter compressor 3046, and an outdoor ambient temperature sensor 3044 (third temperature sensor).
As shown in fig. 4, step 402, receiving a control instruction sent by a remote control device; step 404, collecting an indoor environment temperature T1, an outdoor environment temperature T3 and an indoor heat exchanger temperature T2; step 406, invoking an operating parameter determination routine upon determining from T1 that the first temperature sensor 3024 is malfunctioning; step 408, determining an operation parameter according to the operation parameter determining program; and step 410, controlling the outdoor compressor to operate according to the operation parameters.
As shown in fig. 5, the method for determining the operation parameters according to the operation parameter determination program further includes a step 502 of detecting whether the first sensor has a fault, a step 504 of entering a step 504 when the detection result is yes, a step 506 of entering a step 506 of normally operating, a step 506 of calculating a difference △ T1 between the outdoor ambient temperature T3 and the preset operation temperature TS, a step 508 of rotating the compressor allowable maximum capacity section (i.e., the operation parameters) according to △ T1, a step 510 of calculating a difference △ T2 between the outdoor ambient temperature T3 and the indoor heat exchanger temperature T2, a step 512 of determining an output stage (i.e., a correction index) according to △ T2, a step 514 of calculating an actual output condition (i.e., the corrected operation parameters) of the compressor according to the compressor allowable maximum capacity section of △ T1 and △ T2 stages, and a step 516 of controlling the operation of the compressor.
As shown in fig. 3, specifically, the user remotely starts the air conditioner request: the cooling mode is set, TS is 23 ℃ to control the start-up, and at this time, the indoor control circuit board 3022 receives a user instruction and detects whether the indoor ambient temperature sensor 3024 has a fault (damaged or out of a normal range, such as 70 ℃ below zero or 200 ℃), the temperature detected by the indoor heat exchanger temperature sensor 3026 is 30 ℃, and the temperature detected by the outdoor ambient temperature sensor 3044 is 33 ℃.
The indoor control circuit board 3022 calculates a first temperature difference value △ T1 ═ T3-TS ═ 33 ℃ -23 ℃ ═ 10 ℃, the operating parameters are as shown in table 3, △ T1 ═ 10 ℃ in "6 ℃ to 10 ℃" and the demand is that the operation frequency of the refrigeration mode compressor is 70Hz (which may be the highest frequency allowed by the operation of the inverter compressor).
The indoor control circuit board 3022 detects that the indoor evaporator temperature T2 is 30 ℃, the T3 is maintained at 33 ℃, the second temperature difference △ T2 is 3 ℃ (the temperature difference between the outdoor ambient temperature T3 and the indoor evaporator T2, △ T2 ═ T3-T2 ═ T33 ℃ - > 30 ℃ ═ 3 ℃), and it is found from table 4 that △ T2 is 3 ℃ at "-6 ℃ to 6 ℃ and 95% is selected for the cooling mode.
△ T1 determines that the required operation frequency of the compressor is 70Hz, △ T2 determines that 95% is selected, and the operation frequency of the compressor is calculated to be △ T1 △ T2-70 Hz 95-66.5 Hz., and the compressor is driven to operate at 66.5Hz through the outdoor control circuit board 3042.
After 30 minutes of operation according to the preset correction frequency, the temperature of T2 is reduced to 20 ℃, TS is maintained at 23 ℃, T3 is maintained at 33 ℃, △ T1 which is 33 ℃ -23 ℃ is found out, the operation frequency of the compressor is 70Hz according to the table 3, △ T2 which is 33 ℃ -20 ℃ is found out, 90% is selected according to the table 4, the operation frequency of the compressor is △ T1 △ T2 which is 70Hz 90% or 63Hz, and the compressor is driven to operate according to 63Hz through an outdoor control circuit board 3042.
TABLE 3
Figure BDA0001426329140000191
TABLE 4
Figure BDA0001426329140000192
Fig. 6 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
As shown in fig. 3, the air conditioner 60 according to the embodiment of the present invention includes the apparatus 200 according to any one of the above technical solutions, and therefore, the technical effects of the air conditioner 60 including the apparatus 200 according to any one of the above technical solutions are not described herein again.
Fig. 7 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
As shown in fig. 7, the air conditioner 70 according to the embodiment of the present disclosure includes a memory 702, a processor 704, and a computer program stored on the memory 702 and executable on the processor 704, wherein the memory 702 and the processor 704 may be connected via a bus, and the processor 704 is configured to implement the steps of the operation control method described in the above embodiment when executing the computer program stored in the memory 702.
The steps in the method of the embodiments of the present disclosure may be sequentially adjusted, combined, and deleted according to actual needs.
According to an embodiment of the present disclosure, a computer-readable storage medium is proposed, on which a computer program is stored, which, when being executed by a processor, implements the steps of the operation control method according to the above embodiment.
Further, it is understood by those skilled in the art that all or part of the steps in the methods of the above embodiments may be implemented by instructing related hardware with a program, and the program may be stored in a computer-readable storage medium, where the storage medium includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), an optical Disc (EEPROM), a Compact Disc Read-Only Memory (CD-ROM), or other Memory Disk storage, tape storage, or any other medium readable by a computer that can be used to carry or store data.
Further, the air conditioner may be a PC (Personal Computer) terminal.
The technical scheme of the invention is described in detail with reference to the accompanying drawings, on one hand, compared with a forced shutdown mode in the prior art, the use experience of a user is improved, on the other hand, compared with a mode of controlling the operation of the compressor according to the switching frequency in the prior art, the probability of the generation of the phenomenon of excessive cooling or excessive heating can be reduced, on the other hand, compared with a mode of controlling the operation of the compressor according to the fixed power, the probability of the generation of the phenomenon of excessive cooling or excessive heating can be reduced, the effect of temperature rise or temperature fall is realized, and the use experience of the user is further improved.
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 spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An operation control method of an air conditioner, the air conditioner comprises an indoor unit and an outdoor unit, the indoor unit is provided with a first temperature sensor for detecting indoor environment temperature and a second temperature sensor for detecting indoor heat exchanger temperature, the outdoor unit is provided with a third temperature sensor for detecting outdoor environment temperature, and the operation control method of the air conditioner is characterized by comprising the following steps:
when the air conditioner is detected to run in any running mode and the first temperature sensor is detected to run abnormally, collecting the outdoor environment temperature;
determining a first temperature difference value according to the outdoor environment temperature and a preset operation temperature so as to determine a first temperature threshold interval corresponding to the first temperature difference value;
determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode;
when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger;
determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value;
determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode;
and correcting the operation parameter according to the operation correction index so as to control the operation of the compressor according to the corrected operation parameter.
2. The operation control method of an air conditioner according to claim 1, further comprising, before collecting the outdoor ambient temperature when it is detected that the air conditioner is operated in any operation mode and the first temperature sensor is abnormally operated:
in each operation mode, presetting corresponding relations between a plurality of first temperature threshold intervals and the operation parameters; and
and presetting the corresponding relation between a plurality of second temperature threshold intervals and the operation correction index.
3. The operation control method of an air conditioner according to claim 1, further comprising:
respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine the corrected operation parameters according to the outdoor environment temperature and the surface temperature;
and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
4. The operation control method of an air conditioner according to any one of claims 1 to 3,
the operation parameters comprise at least one of operation time length, operation frequency and refrigeration and heating efficiency;
the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
5. An operation control device of an air conditioner, the air conditioner includes indoor set and off-premises station, the indoor set is provided with the first temperature sensor who is used for detecting indoor ambient temperature and is used for detecting the second temperature sensor of indoor heat exchanger temperature, be provided with the third temperature sensor who is used for detecting outdoor ambient temperature on the off-premises station, its characterized in that, the operation control device of air conditioner includes:
the acquisition unit is used for acquiring the outdoor environment temperature when the air conditioner is detected to operate in any operation mode and the first temperature sensor is detected to operate abnormally;
the determining unit is used for determining a first temperature difference value according to the outdoor environment temperature and a preset operation temperature so as to determine a first temperature threshold value interval corresponding to the first temperature difference value;
the determination unit is further configured to: determining corresponding compressor operation parameters according to the first temperature threshold and the operation mode;
the acquisition unit is further configured to: when the outdoor environment temperature is collected, collecting the surface temperature of the indoor heat exchanger;
the determination unit is further configured to: determining a second temperature difference value according to the surface temperature and the outdoor environment temperature so as to determine a second temperature threshold value interval corresponding to the second temperature difference value;
the determination unit is further configured to: determining a corresponding operation correction index according to the second temperature threshold interval and the operation mode;
the operation control device further includes:
and the control unit is used for correcting the operation parameters according to the operation correction index so as to control the operation of the compressor according to the corrected operation parameters.
6. The operation control device of an air conditioner according to claim 5, further comprising:
the first preset unit is used for presetting the corresponding relation between a plurality of first temperature threshold value intervals and the operation parameters in each operation mode;
and the second presetting unit is used for presetting the corresponding relation between a plurality of second temperature threshold intervals and the operation correction index.
7. The operation control device of an air conditioner according to claim 5, further comprising:
the acquisition unit is further configured to: respectively acquiring the outdoor environment temperature and the surface temperature according to a preset acquisition frequency so as to determine the corrected operation parameters according to the outdoor environment temperature and the surface temperature;
the determination unit is further configured to: and determining a correction frequency corresponding to the acquisition frequency so as to control the compressor to operate according to the correction frequency and the corrected operation parameters.
8. The operation control device of an air conditioner according to any one of claims 5 to 7,
the operation parameters comprise at least one of operation time length, operation frequency and refrigeration and heating efficiency;
the operation mode includes at least one of a heating mode, a cooling mode, a dehumidifying mode and an air supply mode.
9. An air conditioner characterized by comprising a processor for implementing the steps of the operation control method according to any one of claims 1 to 4 when executing a computer program stored in a memory.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when being executed by a processor, carries out the steps of the operation control method according to any one of claims 1 to 4.
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