Air conditioner and control method and device thereof, storage medium and computer program product

Abstract

The invention discloses an air conditioner control method and device, an air conditioner, a storage medium and a computer program product, and the method comprises the steps that under the condition that the air conditioner is powered on and shut down, microorganism growth parameters of a water channel are determined according to the temperature and humidity of the air conditioner water channel; the condensate water amount of the air conditioner is determined according to the indoor environment temperature and the indoor environment humidity of the air conditioner and the pipe temperature of the indoor heat exchanger; according to the microorganism growth parameters of the water channel and the condensate water amount of the air conditioner, the target operation time of the sterilization module is determined; and the degerming module is controlled to be started and run for the target running time of the degerming module, so that the water channel is subjected to degerming treatment, and self-cleaning treatment of the air conditioner is achieved. According to the scheme, the target operation time of the degerming module is controlled according to the water channel temperature and humidity, the indoor environment temperature and humidity and the pipe temperature of the indoor heat exchanger, so that the water channel degerming time is flexibly adjusted, human health is facilitated, the service life of the air conditioner and the service life of the degerming module are prolonged, and user experience is improved.

Description

Technical Field

[0001] This invention belongs to the field of air conditioning technology, specifically relating to an air conditioning control method, device, air conditioner, storage medium, and computer program product, and particularly to a control method, device, air conditioner, storage medium, and computer program product for adjusting the running time of the water channel sterilization module based on the growth of microorganisms in the water channel after the air conditioner is turned off and the amount of condensate produced after the air conditioner is turned on. Background Technology

[0002] After the air conditioner finishes cooling in the summer, there is often still some condensate inside the system. The interior of the air conditioning system is dark and poorly ventilated, and microorganisms tend to grow in dark, damp, and poorly ventilated areas, as well as within the cooling, heating, and humidification systems. Therefore, even after the air conditioner is turned off, condensate often remains in the drain channels (the channels for draining condensate), making it easy for bacteria to grow. This can cause blockages in the drain channels and drain pipes, which is detrimental to human health, shortens the lifespan of the air conditioner, and results in a poor user experience.

[0003] The above content is only used to help understand the technical solution of the present invention and does not represent an admission that the above content is prior art. Summary of the Invention

[0004] The purpose of this invention is to provide an air conditioner control method, device, air conditioner, storage medium, and computer program product to solve the problem that residual condensate in the air conditioner's water channels easily breeds bacteria, causing blockages in the water channels and drain pipes, which is detrimental to human health, affects the lifespan of the air conditioner, and results in a poor user experience. The invention achieves this by installing a sterilization module in the air conditioner's water channels, controlling the target operating time of the sterilization module based on the water channel temperature and humidity, indoor ambient temperature and humidity, and the pipe temperature of the indoor heat exchanger. This avoids blockages in the water channels and drain pipes, promotes human health, extends the lifespan of the air conditioner, and improves the user experience. Furthermore, by controlling the target operating time of the sterilization module, the sterilization time in the water channels can be flexibly adjusted, avoiding wear and tear caused by prolonged operation of the sterilization module, extending its lifespan, and further enhancing the user experience.

[0005] This invention provides a control method for an air conditioner, the air conditioner having an indoor heat exchanger and a water channel; a sterilization module is provided in the water channel, the sterilization module being used to sterilize the water channel when it is turned on and running; the control method for the air conditioner includes: when the air conditioner is powered on and off, acquiring the pipe temperature of the indoor heat exchanger, acquiring the indoor ambient temperature and humidity of the air conditioner, and acquiring the temperature and humidity of the water channel; determining the microbial growth parameters of the water channel based on the water channel temperature and humidity; determining the condensate flow rate of the air conditioner based on the indoor ambient temperature, indoor ambient humidity, and pipe temperature of the indoor heat exchanger; determining the target operating time of the sterilization module based on the microbial growth parameters and condensate flow rate of the air conditioner; controlling the sterilization module to turn on and run for the target operating time to sterilize the water channel, thereby achieving self-cleaning of the air conditioner.

[0006] In some embodiments, the temperature of the water channel includes: the current value of the water channel temperature; the humidity of the water channel includes: the current value of the water channel humidity; the residence time of the current value of the water channel temperature within the temperature range within the preset temperature range and the residence time of the current value of the water channel humidity within the humidity range within the preset humidity range, which is the current residence time of the water channel; determining the microbial growth parameters of the water channel based on the water channel temperature and the water channel humidity includes: determining the current microbial growth rate of the water channel based on the current value of the water channel temperature and the current value of the water channel humidity; determining the product of the current microbial growth rate of the water channel and the current residence time of the water channel as the current microbial growth parameter of the water channel; determining the cumulative value of the current microbial growth parameter of the water channel during the downtime of the air conditioner as the microbial growth parameter of the water channel.

[0007] In some embodiments, determining the current microbial growth rate of the waterway based on the current temperature and the current humidity of the waterway includes: calculating the current microbial growth rate of the waterway according to the following formula based on the current temperature and the current humidity of the waterway:

[0008] ;

[0009] Where u represents the current microbial growth rate of the waterway, and a represents a preset calculation coefficient.

[0010] T min φ represents the predetermined temperature of the waterway at which the microbial growth rate in the waterway is 0. minT represents the predetermined humidity level of the waterway at which the microbial growth rate in the waterway is zero. i φ represents the current temperature of the waterway. i This indicates the current humidity level of the waterway;

[0011] Alternatively, determining the current microbial growth rate of the waterway based on the current temperature and humidity of the waterway further includes: defining the temperature range within a preset temperature range as the current temperature range of the waterway; defining the humidity range within a preset humidity range as the current humidity range of the waterway; and determining the set growth rate corresponding to the set temperature range and the set humidity range that are the same as the current temperature range of the waterway in the corresponding relationship, based on the correspondence between the set temperature range, the set humidity range, and the set growth rate, as the current growth rate corresponding to the current temperature range and the current humidity range of the waterway, and using this as the current microbial growth rate of the waterway.

[0012] In some embodiments, determining the condensate volume of the air conditioner based on the indoor ambient temperature, the indoor ambient humidity, and the pipe temperature of the indoor heat exchanger includes: determining the indoor dew point temperature of the air conditioner based on the indoor ambient temperature and the indoor ambient humidity; and determining the condensate volume of the air conditioner based on the indoor dew point temperature and the pipe temperature of the indoor heat exchanger.

[0013] In some embodiments, determining the condensate volume of the air conditioner based on the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger includes: determining the difference between the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger, and recording it as the temperature difference value of the indoor heat exchanger; recording the temperature difference interval to which the temperature difference value of the indoor heat exchanger belongs within a preset temperature difference range as the current temperature difference interval of the indoor heat exchanger; and, based on the correspondence between the set temperature difference interval and the set water volume interval, determining the set water volume interval corresponding to the set temperature difference interval that is the same as the current temperature difference interval of the indoor heat exchanger in the correspondence as the current condensate volume interval corresponding to the current temperature difference interval of the indoor heat exchanger, and using it as the condensate volume of the air conditioner.

[0014] In some embodiments, determining the target operating time of the sterilization module based on the microbial growth parameters of the waterway and the condensate flow rate of the air conditioner includes: fuzzifying the microbial growth parameters of the waterway according to a preset membership relationship of growth parameters to obtain fuzzified parameters of the microbial parameters of the waterway; fuzzifying the condensate flow rate of the air conditioner according to a preset membership relationship of water flow rate to obtain fuzzified parameters of the condensate flow rate of the air conditioner; determining the operating time adjustment rate of the sterilization module based on the fuzzified parameters of the microbial parameters of the waterway and the fuzzified parameters of the condensate flow rate of the air conditioner; and determining the target operating time of the sterilization module by multiplying the default operating time of the sterilization module by the operating time adjustment rate of the sterilization module and then summing the product of the default operating time of the sterilization module and the default operating time of the sterilization module.

[0015] In some embodiments, the microbial growth parameters of the waterway are fuzzified according to a preset growth parameter membership relationship to obtain fuzzified microbial parameters of the waterway. This includes: defining the growth parameter interval to which the microbial growth parameters of the waterway belong within a preset growth parameter range as the current microbial growth parameter interval of the waterway; and determining the first preset fuzzified parameter corresponding to the set growth parameter interval that is the same as the current microbial growth parameter interval of the waterway in the correspondence relationship with the set growth parameter interval, as the first fuzzified parameter corresponding to the current microbial growth parameter interval of the waterway, and using it as the fuzzified microbial parameters of the waterway.

[0016] And / or, according to a preset water volume membership relationship, the condensate volume of the air conditioner is fuzzified to obtain the fuzzified parameters of the condensate volume of the air conditioner, including: recording the water volume interval to which the condensate volume of the air conditioner belongs within a preset water volume range as the current condensate volume interval of the air conditioner; according to the correspondence between the set water volume interval and the second set fuzzification parameter, determining the second set fuzzification parameter corresponding to the set water volume interval that is the same as the current condensate volume interval of the air conditioner in the correspondence as the second fuzzification parameter corresponding to the current condensate volume interval of the air conditioner, and using it as the fuzzification parameter of the microbial parameters of the air conditioner;

[0017] And / or, based on the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate flow of the air conditioner, determine the operating time adjustment rate of the sterilization module, including: based on the correspondence between the first set fuzzy parameter, the second set fuzzy parameter, and the set adjustment rate, determine the set adjustment rate corresponding to the first set fuzzy parameter that is the same as the fuzzy parameter of the microbial parameters of the waterway and the second set fuzzy parameter that is the same as the fuzzy parameter of the condensate flow of the air conditioner, as the adjustment rate corresponding to the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate flow of the air conditioner, and use it as the operating time adjustment rate of the sterilization module.

[0018] In conjunction with the above method, another aspect of the present invention provides an air conditioner control device, comprising: an acquisition unit configured to acquire, when the air conditioner is powered on and off, the pipe temperature of the indoor heat exchanger, the indoor ambient temperature and humidity of the air conditioner, and the temperature and humidity of the water channel; a control unit configured to determine microbial growth parameters of the water channel based on the temperature and humidity of the water channel; the control unit further configured to determine the condensate volume of the air conditioner based on the indoor ambient temperature, the indoor ambient humidity and the pipe temperature of the indoor heat exchanger; the control unit further configured to determine the target operating time of the sterilization module based on the microbial growth parameters of the water channel and the condensate volume of the air conditioner; and the control unit further configured to control the sterilization module to turn on and operate for the target operating time to sterilize the water channel and achieve self-cleaning of the air conditioner.

[0019] In conjunction with the above-described device, the present invention further provides an air conditioner, comprising: the control device for the air conditioner described above.

[0020] In conjunction with the above method, the present invention further provides a storage medium comprising a stored program, wherein, when the program is executed, the device on which the storage medium is located executes the steps of the air conditioner control method described above.

[0021] In conjunction with the above method, the present invention further provides a computer program product, including a computer program that, when executed by a processor, implements the steps of the air conditioner control method described above.

[0022] Therefore, the solution of this invention addresses the problem of dirt accumulation in air conditioning water channels by installing a sterilization module (such as an electrolysis module) within the water channels. When the air conditioner is off, the sterilization module is controlled to operate, executing a sterilization mode to achieve self-cleaning of the air conditioning water channels. During sterilization mode operation, the water channel temperature and humidity, indoor temperature and humidity, and the pipe temperature of the indoor heat exchanger (such as the evaporator surface temperature) are acquired. Based on the water channel temperature and humidity, parameters related to the growth of microorganisms in the water channels (such as water channel microbial growth parameter U) are determined. Based on the indoor temperature and humidity and the pipe temperature of the indoor heat exchanger, the amount of condensate water in the indoor unit (such as condensate water volume D) is determined. Based on the water channel microbial growth parameters and the indoor heat exchanger pipe temperature, the amount of condensate water in the indoor unit is determined. The amount of condensate from the indoor unit determines the operating time of the sterilization module. Based on this operating time, the sterilization module's operation is controlled to run in sterilization mode. Thus, by installing a sterilization module in the air conditioning water channels, and controlling its target operating time based on water channel temperature and humidity, indoor ambient temperature and humidity, and the pipe temperature of the indoor heat exchanger, problems such as clogging of the water channels and drain pipes are avoided. This is beneficial to human health, extends the air conditioner's lifespan, and improves the user experience. Furthermore, by controlling the target operating time of the sterilization module, the sterilization time in the water channels can be flexibly adjusted, preventing wear and tear caused by prolonged operation of the sterilization module, extending its lifespan, and further enhancing the user experience.

[0023] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.

[0024] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0025] Figure 1 This is a flowchart illustrating an embodiment of the air conditioner control method of the present invention;

[0026] Figure 2 This is a schematic flowchart of an embodiment of the method of the present invention for determining the microbial growth parameters of the waterway;

[0027] Figure 3 This is a schematic flowchart illustrating an embodiment of the second scenario in the method of the present invention for determining the current microbial growth rate of the waterway.

[0028] Figure 4 This is a schematic flowchart of an embodiment of the method of the present invention for determining the amount of condensate water in the air conditioner;

[0029] Figure 5 This is a schematic flowchart of an embodiment of the method of the present invention for determining the amount of condensate water in the air conditioner based on the indoor dew point temperature and the tube temperature of the indoor heat exchanger.

[0030] Figure 6This is a flowchart illustrating an embodiment of the method of the present invention for determining the target running time of the sterilization module;

[0031] Figure 7 This is a flowchart illustrating an embodiment of the method of the present invention for determining the fuzzy parameters of the microbial parameters of the waterway;

[0032] Figure 8 This is a flowchart illustrating an embodiment of the method of the present invention for determining the fuzzy parameter of the condensate volume of the air conditioner;

[0033] Figure 9 This is a schematic diagram of the structure of an embodiment of the air conditioner control device of the present invention;

[0034] Figure 10 This is a schematic diagram showing the installation locations of the air conditioning water channels and electrolysis module;

[0035] Figure 11 A flowchart illustrating the method for obtaining microbial growth parameters in air conditioning water channels;

[0036] Figure 12 A flowchart illustrating a fuzzy control method for the runtime of a sterilization module (such as an electrolysis module).

[0037] Referring to the accompanying drawings, the reference numerals in the embodiments of the present invention are as follows:

[0038] 1-Water storage area; 2-Electrolysis module tank; 3-Air conditioning water channel; 102-Acquisition unit; 104-Control unit. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this invention, and not all of them. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0040] Considering that residual condensate in air conditioning water channels can easily breed bacteria, causing blockages in the channels and drain pipes, which is detrimental to human health, shortens the lifespan of the air conditioner, and results in a poor user experience, some solutions incorporate a sterilization module in the air conditioner. However, this module only activates during air conditioner operation, making it difficult to address the issue of microbial growth after the air conditioner is turned off. Furthermore, the sterilization module's operation is typically set by the user, without adjusting its running time or deactivation based on the actual conditions of the air conditioner after activation, leading to operational wear and tear and wasted resources.

[0041] Some solutions propose a shutdown sterilization module for the water receiving pan and its control method. An electrolytic sterilization module is installed in the water receiving pan and runs for a preset time after shutdown to prevent the growth of microorganisms in the water channel. However, this electrolytic sterilization module runs immediately after shutdown and still cannot adjust the running time according to the growth of microorganisms and the amount of condensate in the water channel, which has certain limitations.

[0042] Considering that by detecting the temperature and humidity of the water channel and the amount of condensate produced after the air conditioner is turned off, the sterilization time of the water channel can be flexibly adjusted, thereby better controlling the operation of the sterilization module. Therefore, the present invention proposes an air conditioner control method, specifically a method for adjusting the operating time of the water channel sterilization module based on the growth of microorganisms in the water channel after the air conditioner is turned off and the amount of condensate produced after the air conditioner is turned on. This method can adjust the operating time of the water channel sterilization module according to the growth of microorganisms in the water channel after the air conditioner is turned off and the amount of condensate produced after the air conditioner is turned on, thereby enabling relatively accurate adjustment of the sterilization module's operating time according to the air conditioner's usage. This avoids the presence of undrained condensate in the air conditioner's water channel, which can breed bacteria, thus preventing problems such as dirt and blockage in the water channel and drain pipe. This is beneficial to human health, extends the service life of the air conditioner, and improves the user experience. Furthermore, it avoids wear and tear on the sterilization module caused by prolonged operation, extending the service life of the sterilization module and further improving the user experience.

[0043] According to embodiments of the present invention, an air conditioning control method is provided, such as... Figure 1 The diagram shows a flow chart of an embodiment of the method of the present invention. The air conditioner has an indoor heat exchanger and a water channel, the water channel being used to discharge condensate generated during the operation of the air conditioner; a sterilization module is provided in the water channel, preferably in the water storage area of ​​the water channel, the sterilization module being used to sterilize the water channel when it is turned on, that is, when the sterilization module is running, the sterilization module can sterilize the water channel to achieve self-cleaning of the water channel; Figure 10 This is a schematic diagram showing the installation locations of the air conditioning water channels and electrolysis module. (Air conditioning water channels, such as...) Figure 10 The installation method of the sterilization module in air conditioning water channel 3) is as shown in the figure. Figure 10 As shown, the electrolysis module is installed in the water storage area of ​​the water channel on the lower side of the air conditioner casing (e.g., Figure 10 The installation groove (such as the water storage area 1) shown in the diagram. Figure 10 In the electrolysis module tank 2 shown.

[0044] Air conditioner condensate easily flows from the steeper water supply pipe into the sewer and drain outlet. Since the slope of the sewer is less than that of the water supply pipe, condensate tends to accumulate in the sewer. Air conditioner water pipes are not perfectly horizontal; to allow water to flow smoothly out of the drain pipe, the pipe is designed with a slope, which can be understood as the angle between the bottom of the pipe and the horizontal plane. There is a water storage area on the right side of the sewer (such as...). Figure 10 The water storage area 1 shown), the electrolysis module mounting tank (as shown) Figure 10 The electrolysis module cell 2 shown is installed in the water storage area (e.g., Figure 10 The water storage area 1 shown in the diagram), the hydrogen peroxide generated by the electrolysis module can flow through the entire sewer under the action of the condensate flow, thereby thoroughly disinfecting the sewer. Specifically, the hydrogen peroxide generated by the electrolysis module is synthesized by electrochemical reaction through a two-electron redox reaction (2e-ORR) (1-1) at the cathode and a two-electron water oxidation reaction (2e-WOR) (1-2) at the cathode.

[0045] .

[0046] In the solution of the present invention, such as Figure 1 As shown, the air conditioner control method includes steps S110 to S150.

[0047] In step S110, when the air conditioner is powered on and off, the pipe temperature of the indoor heat exchanger is obtained, the indoor ambient temperature and humidity of the air conditioner are obtained, and the temperature and humidity of the water channel are obtained.

[0048] Wherein, the tube temperature of the indoor heat exchanger is such as the evaporator surface temperature T z The indoor ambient temperature of the air conditioner is obtained from the current indoor temperature T by the air conditioner's temperature and humidity sensor. s and current indoor humidity R s The temperature and humidity of the waterway refer to the temperature and humidity of the environment in which the waterway is located, such as the real-time temperature T of the waterway after the air conditioner is turned off, obtained through a temperature sensor and humidity sensor. i and real-time humidity φ i In this invention, the air conditioner has a cooling function. The indoor unit includes an evaporator, a temperature sensor on the evaporator surface, a water channel, an electrolytic sterilization module, and an indoor unit main board. The evaporator surface temperature sensor is used to acquire the evaporator surface temperature. The indoor unit is equipped with a temperature and humidity sensor. A humidity sensor and a temperature sensing bulb are installed near the water channel. The temperature and humidity sensor is used to acquire the temperature and humidity of the indoor environment. The humidity sensor and the temperature sensing bulb are used to acquire the temperature and humidity near the water channel. The indoor unit main board is connected to the humidity sensor, the temperature sensing bulb, the temperature and humidity sensor, the evaporator surface temperature sensor, and the electrolytic sterilization module.

[0049] In step S120, the microbial growth parameters of the waterway are determined based on the temperature and humidity of the waterway; wherein, the microbial growth parameters of the waterway, namely the waterway microbial growth parameters U, are parameters used to characterize the microbial growth in the waterway.

[0050] In step S130, the amount of condensate water in the air conditioner is determined based on the indoor ambient temperature, the indoor ambient humidity, and the pipe temperature of the indoor heat exchanger; wherein, the amount of condensate water in the air conditioner is the amount of condensate water D.

[0051] In step S140, the target operating time of the sterilization module is determined based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner.

[0052] In step S150, the sterilization module is controlled to start and run for the target operating time to sterilize the water channel and achieve self-cleaning of the air conditioner.

[0053] To address the issues of dirty air conditioning water channels and the uncontrollable operation time of the water channel sterilization module, leading to prolonged operation, damage, and resource waste, this invention proposes a control scheme for the water channel sterilization module. In this scheme, a sterilization module is installed in the air conditioning water channel, specifically an electrolyzed water sterilization module. By monitoring the temperature and humidity near the water channel after shutdown and the duration of these conditions, the microbial growth parameter U is obtained. The indoor air dew point temperature is calculated by monitoring the indoor ambient temperature and humidity after the air conditioner is turned on, and compared with the surface temperature of the indoor heat exchanger (such as the evaporator), the range of condensate volume D is obtained. The operation time of the sterilization module is controlled and corrected based on the values ​​of the microbial growth parameter U and the condensate volume D, allowing for more accurate adjustment of the module's operating time, preventing damage caused by prolonged operation, and extending the module's lifespan.

[0054] In some embodiments, the temperature of the waterway includes: the current value of the waterway temperature, i.e., the real-time temperature of the waterway; the humidity of the waterway includes: the current value of the waterway humidity, i.e., the real-time humidity of the waterway; the current residence time of the current value of the waterway temperature within the temperature range of a preset temperature range and the current value of the waterway humidity within the humidity range of a preset humidity range is the current residence time of the waterway; wherein, the current residence time of the waterway, such as the real-time temperature T of the waterway... i and real-time humidity φ i .

[0055] In step S120, the specific process of determining the microbial growth parameters of the waterway based on the waterway temperature and the waterway humidity is described in the following exemplary description.

[0056] The following is combined with Figure 2 The schematic diagram shown is an embodiment of the method of the present invention for determining the microbial growth parameters of the waterway. It further illustrates the specific process of determining the microbial growth parameters of the waterway in step S120, including steps S210 to S230.

[0057] Step S210: Determine the current microbial growth rate of the waterway based on the current temperature and humidity of the waterway; wherein the current temperature of the waterway is, for example, the real-time temperature T of the waterway. i The current humidity value of the waterway is such as the real-time humidity φ of the waterway. i The current microbial growth rate of the waterway is such as the waterway microbial growth rate parameter u. i .

[0058] Step S220: Determine the product of the current microbial growth rate of the waterway and the current residence time of the waterway as the current microbial growth parameter of the waterway; wherein, the current microbial growth parameter of the waterway is, for example, the waterway microbial growth parameter U within the current temperature and humidity range. i .

[0059] Step S230: Determine the cumulative value of the current microbial growth parameters of the water channel during the air conditioner's downtime, and use this value as the microbial growth parameters of the water channel. The cumulative value of the current microbial growth parameters of the water channel during the air conditioner's downtime is as follows: ∑U i The microbial growth parameters of the waterway are the sum of the microbial growth parameters U during the entire downtime.

[0060] In this invention, the moment the air conditioner stops is used as the starting point for water channel temperature and humidity monitoring. The water channel temperature and humidity are monitored in real time after the air conditioner stops, and these conditions are matched to specific intervals (such as various temperature and humidity intervals within a preset temperature and humidity range) to obtain real-time growth parameters of the water channel microorganisms. Simultaneously, the duration of the water channel temperature and humidity within each temperature and humidity interval is recorded (i.e., the duration of the water channel temperature and humidity within each temperature and humidity interval within the preset temperature and humidity range). Based on the duration and growth parameters, the microbial growth is obtained as the water channel microbial growth parameter U, which is then combined with the actual operation of the air conditioner to control the activation of the water channel sterilization module. Furthermore, after sterilization operation, the temperature and humidity records, time records, and microbial growth-related parameters are cleared to zero, and the next sterilization monitoring cycle begins.

[0061] This invention proposes a control method for adjusting the operating time of the water channel sterilization module based on the growth of microorganisms in the water channel after the air conditioner is turned off and the amount of condensate produced after the air conditioner is turned on. This method can relatively accurately adjust the operating time of the sterilization module according to the air conditioner's usage, preventing the accumulation of condensate in the air conditioner's water channel and the resulting bacterial growth. This avoids problems such as blockages in the water channel and drain pipes, which is beneficial to human health, extends the lifespan of the air conditioner, and improves the user experience. Furthermore, by detecting the temperature and humidity of the water channel and the amount of condensate produced after the air conditioner is turned off, the sterilization time can be flexibly adjusted. This allows for better control of the sterilization module's operation, preventing wear and tear caused by prolonged operation, extending the lifespan of the sterilization module, and further improving the user experience.

[0062] In some embodiments, in step S210, the current microbial growth rate of the waterway is determined based on the current temperature and the current humidity of the waterway, including any of the following determination scenarios: a first determination scenario of the current microbial growth rate of the waterway, or a second determination scenario of the current microbial growth rate of the waterway.

[0063] In step S210, determining the current microbial growth rate of the waterway based on its current temperature and humidity includes: a first method for determining the current microbial growth rate of the waterway, specifically as follows: The current microbial growth rate of the waterway is calculated using the following formula based on its current temperature and humidity:

[0064] ;

[0065] Where u represents the current microbial growth rate of the waterway, and a represents a preset calculation coefficient.

[0066] T min φ represents the predetermined temperature of the waterway at which the microbial growth rate in the waterway is 0. min T represents the predetermined humidity level of the waterway at which the microbial growth rate in the waterway is zero. i φ represents the current temperature of the waterway. i This indicates the current humidity level of the waterway.

[0067] Alternatively, in step S210, determining the current microbial growth rate of the waterway based on the current temperature and humidity of the waterway further includes: a second method for determining the current microbial growth rate of the waterway.

[0068] The following is combined with Figure 3The schematic diagram shown is an embodiment of the method of the present invention for determining the current microbial growth rate of the waterway in the second case. It further illustrates the specific process of determining the current microbial growth rate of the waterway in step S210, including steps S310 to S320.

[0069] Step S310: The current temperature range of the waterway is defined as the temperature range within the preset temperature range; the current humidity range of the waterway is defined as the humidity range within the preset humidity range.

[0070] Step S320: Based on the correspondence between the set temperature range, the set humidity range and the set growth rate, the set growth rate corresponding to the set temperature range and the set humidity range that are the same as the current temperature range of the waterway is determined as the current growth rate corresponding to the current temperature range and the current humidity range of the waterway, and is used as the current microbial growth rate of the waterway.

[0071] Figure 11 This is a flowchart illustrating a method for obtaining microbial growth parameters in air conditioning water channels. Figure 11 As shown, the method for obtaining microbial growth parameters in air conditioning water channels includes:

[0072] Step 11: First, determine if the air conditioner is in a stopped state. If yes, proceed to step 12; otherwise, maintain the current state. For example, if it is determined that a key component of the air conditioner, such as the indoor fan, has stopped rotating, then the air conditioner can be considered to be stopped.

[0073] Step 12: If the air conditioner has been turned off, obtain the real-time temperature T of the water channel after shutdown using the temperature and humidity sensors. i and real-time humidity φ i Then proceed to step 13.

[0074] Step 13: Based on the obtained real-time temperature T of the waterway i and real-time humidity φ i The growth rate parameter u of waterway microorganisms was calculated, and the growth rate parameter u of waterway microorganisms under different temperature and humidity conditions was obtained. i Then proceed to step 14.

[0075] The calculation method for the microbial growth rate parameter u in waterways is as follows:

[0076] (1).

[0077] Where u is the growth rate parameter of the aquatic microorganisms, in cm / h; a is a coefficient, in cm / (h·℃); T min The lowest temperature at which the growth rate is zero; φ min This is the relative humidity value of the waterway when the growth rate of waterway microorganisms is zero. The value of 'a' is not a fixed value, but depends on the specific type of microorganisms and environmental conditions (such as water type, nutrient level, pH, etc.). For example, the value of 'a' for waterway microorganisms can be 0.01 to 0.05, and the value will be lower when the temperature and humidity are low.

[0078] Taking Mycobacterium tumefaciens, the most common microorganism in air conditioners, as an example, Table 4 shows the growth rate parameter u of the waterborne microorganisms in each temperature and humidity range within the preset temperature and humidity range during the microbial growth cycle. Table 4 shows the correspondence between the growth rate parameter u of the waterborne microorganisms in different temperature and humidity ranges.

[0079] Table 4

[0080]

[0081] Therefore, the real-time temperature T of the waterway can be used as a reference. i and real-time humidity φ i The corresponding temperature and humidity ranges in Table 4 are used to find the real-time waterway microbial growth rate parameter u. i Value. Refer to Table 4. For example, if the real-time indoor unit temperature is 28℃ and the water channel humidity is 75%, then the corresponding water channel microbial growth rate parameter u is... i The value is 0.0449.

[0082] Step 14: The real-time temperature T of the waterway is obtained by the timer. i and real-time humidity φ i The time t spent within the corresponding temperature and humidity range (i.e., each temperature and humidity range within the preset temperature and humidity range). i Then proceed to step 15.

[0083] Suppose: If the real-time temperature T of the waterway i The waterway remained in a temperature range of 20 to 25 degrees Celsius for 12 hours, during which time the real-time humidity φ was measured. i If the growth rate drops from 90% to 50%, then take the time from 90% to 80%, the time from 80% to 60%, and the time below 60%, calculate the growth parameters for each time period, and then sum them up.

[0084] Step 15: Calculate the microbial growth parameter U in the waterway.

[0085] In step 15, based on the obtained real-time temperature T of the waterway... i and real-time humidity φ iThe time t spent within the corresponding temperature and humidity range i The parameter U, representing the growth of microorganisms in the waterway within this temperature and humidity range, was calculated. i Parameter U representing the growth of microorganisms in the waterway within different temperature and humidity ranges. i The calculation method can be as follows:

[0086] U i =u i t i (2).

[0087] Real-time temperature T of the waterway i and real-time humidity φ i The real-time temperature T of the waterway changes continuously throughout the entire downtime. i and real-time humidity φ i It also determines the growth rate parameter u of waterway microorganisms. i Therefore, it is necessary to obtain the real-time temperature T of each waterway. i and real-time humidity φ i The corresponding dwell time t i This is determined by the dwell time t. i and the waterway microbial growth rate parameter u i The product of these factors and their summation yields the total microbial growth parameters, i.e., the waterway microbial growth parameters U, for the entire downtime period.

[0088] In step 15, based on the obtained real-time temperature T of the waterway... i and real-time humidity φ i The growth rate parameter u of waterway microorganisms was calculated: different temperature and humidity ranges correspond to different growth rate parameters u of waterway microorganisms. Temperature and humidity vary at different times. The different growth rate parameters u of waterway microorganisms obtained under different temperature and humidity conditions are denoted as the waterway microorganism growth rate parameter u. i And the growth rate parameter u of these waterway microorganisms i With stay time t i By multiplying and accumulating these values, we can obtain the value of the waterway microbial growth parameter U over the entire time period.

[0089] For example: the real-time temperature T of the waterway i The real-time humidity φ in the waterway is between 25℃ and 30℃. i The dwell time t is within the range of 60% to 80%. i =4h, then the microbial growth parameter U i =u i t i =0.0449*4=0.1796. Based on U for each interval... iThe total microbial growth parameters U during the entire downtime are summed and calculated. This summation allows us to calculate the difference between the last time the internal fan stopped and the time it restarted, thus determining the total downtime. Where:

[0090] U=∑U i =∑u i t i (3).

[0091] For example, during an 8-hour shutdown period, the indoor unit's internal temperature rises from 10℃ to 28℃, while the humidity in the cooling system decreases from 95% to 80%. Specifically, the real-time temperature T in the cooling system... i The real-time humidity φ in the waterway is between 10℃ and 20℃. i ≥90% of the dwell time t i =1h; 1h stay at 20℃~25℃, RH≥90% range, 20℃~25℃, real-time humidity φ of the waterway i The dwell time t is within the range of 80%-90%. i =1h, at the real-time temperature T in the waterway i The waterway's real-time humidity φ is between 25℃ and 28℃. i The dwell time t is within the range of 80% to 90%. i =6h, then at this time: U=0.0263*1+0.0379*1+0.0355*1+0.0484*6=0.3901.

[0092] In this invention, the degree of waterway pollution is dynamically assessed based on environmental parameters near the waterway: an electrolysis module with a grooved structure is installed in the water receiving tray of the air conditioning waterway to electrolyze water and generate hydrogen peroxide for sterilization. By monitoring the temperature and humidity changes in the waterway area during air conditioning shutdown, and combining the residence time of the waterway area in each temperature and humidity interval within a preset range, the microbial growth rate is modeled and calculated. The degree of microbial pollution in the waterway during single and long-term shutdown processes is dynamically accumulated to obtain a comprehensive waterway pollution index as the waterway microbial growth parameter U, thus achieving a quantitative assessment of the degree of waterway pollution. Furthermore, the operating time of the waterway sterilization module is adjusted according to the microbial growth in the waterway after air conditioning shutdown and the condensate production after startup. This allows for relatively accurate adjustment of the sterilization module's operating time based on air conditioning usage, preventing the accumulation of undrained condensate in the air conditioning waterway that could breed bacteria, thereby avoiding blockages in the waterway and drain pipes. This benefits human health, extends the lifespan of the air conditioner, and improves the user experience. Moreover, it avoids wear and tear on the sterilization module due to prolonged operation, extending its lifespan and further enhancing the user experience.

[0093] In some embodiments, the specific process of determining the amount of condensate water in step S130 based on the indoor ambient temperature of the air conditioner, the indoor ambient humidity of the air conditioner, and the pipe temperature of the indoor heat exchanger is described in the following exemplary description.

[0094] The following is combined with Figure 4 The schematic diagram shown is an embodiment of the method of the present invention for determining the amount of condensate water in the air conditioner. It further illustrates the specific process of determining the amount of condensate water in the air conditioner in step S130, including steps S410 to S420.

[0095] Step S410: Determine the indoor dew point temperature of the air conditioner based on the indoor ambient temperature and humidity of the air conditioner; wherein, the indoor ambient temperature of the air conditioner is, for example, the current indoor temperature T. s The indoor humidity of the air conditioner is such as the current indoor humidity R. s The indoor dew point temperature of the air conditioner is such as the current room dew point temperature T. d .

[0096] Step S420: Determine the amount of condensate water in the air conditioner based on the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger.

[0097] In the present invention, the amount of condensate water in the air conditioner is determined based on the indoor ambient temperature, indoor ambient humidity, and pipe temperature of the indoor heat exchanger. By detecting the water temperature and humidity and the amount of condensate water generated after the air conditioner is turned off, the water sterilization time can be flexibly adjusted, thereby better controlling the operation of the sterilization module, avoiding wear and tear caused by the long-term operation of the sterilization module, extending the service life of the sterilization module, and improving the user experience.

[0098] In some embodiments, the specific process of determining the amount of condensate water in step S420 based on the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger is described in the following exemplary description.

[0099] The following is combined with Figure 5 The diagram shows a flowchart of an embodiment of the method of the present invention for determining the amount of condensate water of the air conditioner based on the indoor dew point temperature and the pipe temperature of the indoor heat exchanger. It further illustrates the specific process of determining the amount of condensate water of the air conditioner based on the indoor dew point temperature and the pipe temperature of the indoor heat exchanger in step S420, including steps S510 to S530.

[0100] Step S510: Determine the difference between the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger, and record it as the temperature difference of the indoor heat exchanger; wherein, the difference between the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger is, for example, the current room dew point temperature T.d - Evaporator surface temperature T z .

[0101] Step S520: The temperature difference range to which the temperature difference value of the indoor heat exchanger belongs within the preset temperature difference range is recorded as the current temperature difference range of the indoor heat exchanger.

[0102] Step S530: Based on the correspondence between the set temperature difference range and the set water volume range, the set water volume range corresponding to the set temperature difference range that is the same as the current temperature difference range of the indoor heat exchanger is determined as the current condensate volume range corresponding to the current temperature difference range of the indoor heat exchanger, and is used as the condensate volume of the air conditioner. The condensate volume of the air conditioner is related to the current room dew point temperature T. d - Evaporator surface temperature T z The corresponding current condensate volume D.

[0103] In the solution of this invention, when the user turns on the sterilization module, the air conditioner temperature and humidity sensor acquires the current indoor temperature T. s and current indoor humidity R s And based on the current indoor temperature T s and current indoor humidity R s Calculate the current room dew point temperature T. d The calculation method is as follows:

[0104] e s =6.112×exp[17.67×T s / (T s +243.5)] (4;

[0105] e=R s e s / 100 (5);

[0106] T d =[243.5×ln(e / 6.112)] / [17.67-ln(e / 6.112)] (6).

[0107] Among them, T s E represents the current indoor air temperature, in °C. s R represents the saturated vapor pressure of air at temperature Ts; s The current indoor relative humidity is expressed in %; E represents the actual water vapor pressure (i.e., the partial pressure of water vapor in the air); T represents the actual indoor relative humidity. d — This indicates the dew point temperature, expressed in °C.

[0108] Obtain the surface temperature T of the evaporator z And calculate the current room dew point temperature T. d- Evaporator surface temperature T z The difference is then mapped to the current condensate volume D and the room's dew point temperature T. d - Evaporator surface temperature T z The relationship between the temperature difference and the amount of condensate D is shown in Table 5.

[0109] Table 5

[0110]

[0111] In this invention, the real-time prediction and range determination of condensate generation are achieved as follows: When the user activates the sterilization function of the sterilization module, the indoor ambient temperature and humidity are collected in real time, the indoor dew point temperature is calculated, and compared with the surface temperature of the indoor heat exchanger (such as the evaporator). This assesses the current condensate generation (i.e., condensate volume D) within the preset condensate volume range, reflecting the amount of water in the water channel that can participate in the electrolytic reaction, thus providing dynamic input parameters for sterilization efficiency. Furthermore, the operating time of the water channel sterilization module is adjusted based on the growth of microorganisms in the water channel after the air conditioner is turned off and the condensate generation after it is turned on. This allows for relatively accurate adjustment of the sterilization module's operating time according to air conditioner usage, preventing the accumulation of undrained condensate in the air conditioning water channel and the resulting bacterial growth. This avoids blockages in the water channel and drain pipes, promoting human health, extending the air conditioner's lifespan, and improving the user experience. Additionally, it prevents wear and tear on the sterilization module caused by prolonged operation, extending its lifespan and further enhancing the user experience.

[0112] In some embodiments, the specific process of determining the target operating time of the sterilization module in step S140 based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner is described in the following exemplary description.

[0113] The following is combined with Figure 6 The flowchart shown is a schematic diagram of an embodiment of the method of the present invention for determining the target running time of the sterilization module. The specific process of determining the target running time of the sterilization module in step S140 is further explained, including steps S610 to S640.

[0114] Step S610: Based on the preset growth parameter membership relationship, the microbial growth parameters of the waterway are fuzzified to obtain the fuzzified microbial parameters of the waterway; wherein, the preset growth parameter membership relationship is shown in Table 1.

[0115] Step S620: Based on the preset water volume membership relationship, the condensate volume of the air conditioner is fuzzified to obtain the fuzzified parameters of the condensate volume of the air conditioner; wherein, the preset water volume membership relationship is shown in Table 2.

[0116] Step S630: Determine the operating time adjustment rate of the sterilization module based on the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate volume of the air conditioner; wherein, the operating time adjustment rate of the sterilization module is, for example, the operating time adjustment rate p of the sterilization module.

[0117] Step S640: The product of the default running time of the sterilization module and the running time adjustment rate of the sterilization module, and the sum of these products with the default running time of the sterilization module, are determined as the target running time of the sterilization module. Wherein, the default running time of the sterilization module is, for example, the default sterilization time X0; and the target running time of the sterilization module is, for example, the final activation time X of the sterilization module.

[0118] In the present invention, the target operating time of the sterilization module is determined based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner. By flexibly adjusting the sterilization time of the waterway, the operation of the sterilization module can be better controlled, avoiding wear and tear caused by long-term operation of the sterilization module, extending the service life of the sterilization module, and improving the user experience.

[0119] In some embodiments, in step S610, the microbial growth parameters of the waterway are fuzzified according to a preset growth parameter membership relationship to obtain the fuzzified microbial parameters of the waterway. The specific process is described in the following exemplary description.

[0120] The following is combined with Figure 7 The schematic diagram shown is an embodiment of the method of the present invention for determining the fuzzy parameters of the microbial parameters of the waterway. It further illustrates the specific process of determining the fuzzy parameters of the microbial parameters of the waterway in step S610, including steps S710 to S720.

[0121] Step S710: The growth parameter interval to which the microbial growth parameters of the waterway fall within the preset growth parameter range is recorded as the current microbial growth parameter interval of the waterway.

[0122] Step S720: Based on the correspondence between the set growth parameter range and the first set fuzzification parameter, the first set fuzzification parameter corresponding to the set growth parameter range that is the same as the current microbial growth parameter range of the waterway in the correspondence is determined as the first fuzzification parameter corresponding to the current microbial growth parameter range of the waterway, and is used as the microbial parameter fuzzification parameter of the waterway.

[0123] And / or, in step S620, the specific process of fuzzifying the condensate volume of the air conditioner according to the preset water volume membership relationship to obtain the fuzzified parameters of the condensate volume of the air conditioner is described in the following exemplary description.

[0124] The following is combined with Figure 8 The flowchart shown is a schematic diagram of an embodiment of the method of the present invention for determining the fuzzy parameter of the condensate volume of the air conditioner. The specific process of determining the fuzzy parameter of the condensate volume of the air conditioner in step S620 is further explained, including steps S810 to S820.

[0125] Step S810: The water volume range to which the condensate water volume of the air conditioner belongs within the preset water volume range is recorded as the current condensate water volume range of the air conditioner.

[0126] Step S820: Based on the correspondence between the set water volume range and the second set fuzzification parameter, the second set fuzzification parameter corresponding to the set water volume range that is the same as the current condensate water volume range of the air conditioner in the correspondence is determined as the second fuzzification parameter corresponding to the current condensate water volume range of the air conditioner, and used as the fuzzification parameter of the microbial parameter of the air conditioner.

[0127] And / or, in step S630, determining the operating time adjustment rate of the sterilization module based on the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate flow of the air conditioner includes: determining the adjustment rate corresponding to the first fuzzy parameter that is the same as the fuzzy parameter of the microbial parameters of the waterway and the second fuzzy parameter that is the same as the fuzzy parameter of the condensate flow of the air conditioner, based on the correspondence between the first fuzzy parameter, the second fuzzy parameter, and the adjustment rate, as the adjustment rate corresponding to the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate flow of the air conditioner, and using this as the operating time adjustment rate of the sterilization module.

[0128] Figure 12 This is a flowchart illustrating a fuzzy control method for the runtime of a sterilization module (such as an electrolysis module). In the solution of this invention, the actual air conditioning control process is as follows: Figure 12 As shown. After receiving a user's water duct sterilization command, the air conditioner controls the sterilization module's activation time based on the water duct microbial growth parameter U and condensate volume D during a specific downtime period. In this invention, the default activation time of the sterilization module is time X0, and the activation time X is X = X0 * (1 + p%). When the activation time X is 0%·X0, the sterilization module is completely off, equivalent to the sterilization module stopping work; if the activation time X is 100%·X0, it means the sterilization module is on for the maximum time. Preferably, the default sterilization time X0 (i.e., the default activation time X0) of the sterilization module is 1h < X0 < 2h.

[0129] Because higher microbial growth levels require a longer sterilization module operation time to effectively eliminate bacteria, and a larger condensate volume allows for more efficient flushing away of bacteria, thus reducing the required operating time of the sterilization module. To ensure effective sterilization and extend the lifespan of the sterilization module, a fuzzy algorithm is used to adjust the operating time of the sterilization module based on the microbial growth level U and the condensate volume D.

[0130] like Figure 12 As shown, the fuzzy control method for the runtime of a sterilization module (such as an electrolysis module) includes:

[0131] Step 21: Obtain the microbial growth parameters U in the water channel and the current condensate volume D of the indoor unit of the air conditioner during the air conditioner shutdown process, and then proceed to step 22.

[0132] Step 22: Based on the corresponding membership table, fuzzify the waterway microbial growth parameter U and the current condensate volume D to obtain the fuzzified parameters, and then proceed to step 23.

[0133] Step 23: Based on the obtained fuzzy parameters, look up the fuzzy evaluation of the sterilization module start-up time correction value from the fuzzy control rule table, and then proceed to step 24.

[0134] Step 24: Defuzzify the fuzzy evaluation, calculate the accuracy correction rate, and determine the final sterilization mode activation time.

[0135] In steps 21 to 24, at the start of control, firstly, in step 22, the intervals of the waterway microbial growth parameter U and the condensate volume D are detected, and the corresponding membership degrees are obtained according to Tables 1 and 2 for fuzzification. Then, in step 23, based on the fuzzified waterway microbial growth parameter U and condensate volume D, the control rule table in Table 3 is consulted to obtain the fuzzified evaluation of the sterilization module's operating time. Finally, in step 24, the centroid method is used for defuzzification to obtain the accurate sterilization module operating time adjustment rate p%, which is used to adjust the default sterilization time X0 of the sterilization module. The final sterilization module's start time X is controlled as X = X0 * (1 + p%), and the corrected sterilization module start time X is rounded down. Table 1 is the membership table of the waterway microbial growth parameter U, Table 2 is the membership table of the condensate volume D, and Table 3 is the sterilization module start time control rule table.

[0136] Table 1

[0137]

[0138] Table 2

[0139]

[0140] Table 3

[0141]

[0142] In Tables 1 and 2, the fuzzy language is as follows: "NB = decrease, NS = slightly decrease, ZO = unchanged, PS = slightly increase, PB = increase"; in Table 3, the fuzzy evaluation of the runtime adjustment rate is as follows: "NB = significantly decrease, NS = decrease, ZO = unchanged, PS = increase, PB = significantly increase", with corresponding correction rates (i.e., the sterilization module runtime adjustment rate p%) as follows: "significantly decrease" correction -20%, meaning adjustment rate P% = -20%; "decrease" correction -10%, meaning adjustment rate P% = -10%; "unchanged" correction 0%, meaning adjustment rate P% = 0%; "increase" correction 10%, meaning adjustment rate P% = 10%; "significantly increase" correction 20%, meaning adjustment rate P% = 20%. Here, the correction rate is the module runtime adjustment rate P.

[0143] Calculation explanation: Based on microbial growth parameters U=4.5, T d -T z For example, =4.

[0144] According to Table 1, the growth parameter U=4.5, after fuzzification, is NB=0, NS=0, ZO=0.5, PS=0.5, NB=0.

[0145] Refer to Tables 2 and 5, T d -T z =4, the amount of condensate is small, after fuzzification the values ​​are NB=0, NS=0, ZO=0, PS=0.5, PB=0.5.

[0146] Refer to Table 3:

[0147] Scenario 1: When the growth parameter U is ZO (weight 0.5 / (0.5+0.5)), the water volume D is PS (weight 0.5 / (0.5+0.5)), and the correction rate is PS (weight w1 is 0.5 / (0.5+0.5)*0.5 / (0.5+0.5)).

[0148] Scenario ② When the growth parameter U is ZO (weight 0.5 / (0.5+0.5)), the water volume D is PB (weight 0.5 / (0.5+0.5)), and the correction rate is PS (weight w2 is 0.5 / (0.5+0.5)*0.5 / (0.5+0.5)).

[0149] Scenario 3: When the growth parameter U is PS (weight 0.5 / (0.5+0.5)), the water volume D is PS (weight 0.5 / (0.5+0.5)), and the correction rate evaluation is PS (weight w3 is 0.5 / (0.5+0.5)*0.5 / (0.5+0.5)).

[0150] Case 4: When the growth parameter U is PS (weight 0.5 / (0.5+0.5)), the water volume D is PB (weight 0.5 / (0.5+0.5)), and the correction rate evaluation is PB (weight w4 is 0.5 / (0.5+0.5)*0.5 / (0.5+0.5)).

[0151] In step 24, the centroid method is used for defuzzification to obtain the accurate sterilization module running time adjustment rate p%. The centroid method defuzzification is as follows:

[0152] p%=PS*w1+PS*w2+PS*w3+PB*w4 (7).

[0153] PS*w1+PS*w2+PS*w3+PB*w4=10%*0.25+10%*0.25+10%*0.25+20%*0.25=12.5%. If the default running time X0 of the sterilization module is 60 minutes, then the optimal running time of the sterilization module is controlled as X=X0*(1+12.5%)=68 minutes.

[0154] Among them, W1, W2, W3, and W4 are the weights of several correction rates at PS, PB, PS, and PS in the second row, third row, fifth column, and sixth column of Table 3. The relationship between PS*w1+PS*w2+PS*w3+PB*w4 and p% is given by formula (7).

[0155] For example: U=4.5, referring to Table 1, ZO=0.5, PS=0.5; Td-Tz=4, referring to Table 2, PS=0.5, PB=0.5; referring to Table 3, the adjustment rate calculation falls within the highlighted area. It is necessary to determine the weights of the four correction rates PS, PB, PS, and PS, and sum them to obtain the final adjustment rate P% (Formula 7). The weight determination method is as described in cases ①~④ above, where wi is the weight product of the corresponding fuzzy evaluations of U and D.

[0156] In this invention, an adaptive sterilization duration adjustment based on fuzzy control is implemented: the waterway contamination level U and condensate volume D are integrated, and a fuzzy algorithm is used to intelligently adjust the operating time of the hydrogen peroxide sterilization module. While ensuring the sterilization effect of the module, it avoids ineffective or excessive operation, achieving precise and energy-efficient control of the sterilization mode and effectively extending the service life of the sterilization module (such as an electrolysis module).

[0157] In this invention, the microbial growth parameters and the current condensate volume of the air conditioner are detected when the air conditioner is shut down, and the sterilization mode operation time is adjusted accordingly. After the air conditioner is shut down, the temperature and humidity in the water channel are monitored, and the microbial growth parameters are accumulated and calculated. The dew point temperature is calculated by detecting the ambient temperature and humidity when the sterilization mode is activated, and the condensate volume is determined by subtracting it from the surface temperature of the indoor heat exchanger (such as the evaporator). The sterilization module operation time is adjusted according to the growth parameters and the condensate volume. This allows for flexible adjustment of the water channel sterilization time, thereby better controlling the operation of the sterilization module, avoiding wear and tear caused by prolonged operation, extending the service life of the sterilization module, and further improving the user experience.

[0158] The technical solution of this embodiment addresses the problem of dirt accumulation in the air conditioning water channels by installing a sterilization module (such as an electrolysis module) within the water channels. When the air conditioner is off, the sterilization module is controlled to operate in a sterilization mode, achieving self-cleaning of the air conditioning water channels. During sterilization mode operation, the system acquires water channel temperature and humidity, indoor temperature and humidity, and the pipe temperature of the indoor heat exchanger (such as the evaporator surface temperature). Based on the water channel temperature and humidity, parameters related to microbial growth in the water channels (such as water channel microbial growth parameter U) are determined. The amount of condensate water in the indoor unit (such as condensate volume D) is determined based on the indoor temperature and humidity and the pipe temperature of the indoor heat exchanger. The system then calculates the amount of condensate water based on the water channel microbial growth parameters. The operating time of the sterilization module is determined by the amount of condensate from the indoor unit. The operation of the sterilization module is then controlled based on this operating time to activate the sterilization mode. By installing a sterilization module in the air conditioning water channels, and controlling the target operating time of the sterilization module based on the water channel temperature and humidity, indoor ambient temperature and humidity, and the pipe temperature of the indoor heat exchanger, problems such as clogging of the water channels and drain pipes are avoided. This is beneficial to human health, extends the service life of the air conditioner, and improves the user experience. Furthermore, by controlling the target operating time of the sterilization module, the sterilization time of the water channels can be flexibly adjusted, avoiding wear and tear caused by prolonged operation of the sterilization module, extending its service life, and further enhancing the user experience.

[0159] According to an embodiment of the present invention, an air conditioner control device corresponding to the air conditioner control method is also provided. See also Figure 9 The diagram shows a structural schematic of an embodiment of the device of the present invention. The control device for the air conditioner may include: an acquisition unit 102 and a control unit 104.

[0160] The acquisition unit 102 is configured to acquire, when the air conditioner is powered on and off, the pipe temperature of the indoor heat exchanger, the indoor ambient temperature and humidity of the air conditioner, and the temperature and humidity of the water channel; wherein the pipe temperature of the indoor heat exchanger is such as the evaporator surface temperature T. z The indoor ambient temperature of the air conditioner is obtained from the current indoor temperature T by the air conditioner's temperature and humidity sensor. s and current indoor humidity Rs The temperature and humidity of the waterway refer to the temperature and humidity of the environment in which the waterway is located, such as the real-time temperature T of the waterway after the air conditioner is turned off, obtained through a temperature sensor and humidity sensor. i and real-time humidity φ i The specific functions and processing of the acquisition unit 102 are described in step S110.

[0161] The control unit 104 is configured to determine the microbial growth parameters of the waterway based on the temperature and humidity of the waterway; wherein, the microbial growth parameters of the waterway, namely the waterway microbial growth parameter U, are parameters used to characterize the microbial growth in the waterway. The specific functions and processing of the control unit 104 are described in step S120.

[0162] The control unit 104 is further configured to determine the condensate flow rate of the air conditioner based on the indoor ambient temperature, the indoor ambient humidity, and the pipe temperature of the indoor heat exchanger; wherein the condensate flow rate of the air conditioner is the condensate flow rate D. The specific functions and processing of the control unit 104 are further described in step S130.

[0163] The control unit 104 is further configured to determine the target operating time of the sterilization module based on the microbial growth parameters of the waterway and the condensate flow rate of the air conditioner. The specific functions and processing of this control unit 104 are further described in step S140.

[0164] The control unit 104 is also configured to control the sterilization module to start and run for a target operating time to sterilize the water channel and achieve self-cleaning of the air conditioner. The specific functions and processing of the control unit 104 are further described in step S150.

[0165] To address the issues of dirty air conditioning water channels and the uncontrollable operation time of the water channel sterilization module, leading to prolonged operation, damage, and resource waste, this invention proposes a control scheme for the water channel sterilization module. In this scheme, a sterilization module is installed in the air conditioning water channel, specifically an electrolyzed water sterilization module. By monitoring the temperature and humidity near the water channel after shutdown and the duration of these conditions, the microbial growth parameter U is obtained. The indoor air dew point temperature is calculated by monitoring the indoor ambient temperature and humidity after the air conditioner is turned on, and compared with the surface temperature of the indoor heat exchanger (such as the evaporator), the range of condensate volume D is obtained. The operation time of the sterilization module is controlled and corrected based on the values ​​of the microbial growth parameter U and the condensate volume D, allowing for more accurate adjustment of the module's operating time, preventing damage caused by prolonged operation, and extending the module's lifespan.

[0166] Since the processing and functions implemented by the device in this embodiment are basically the same as the embodiments, principles and examples of the aforementioned methods, any details not covered in the description of this embodiment can be found in the relevant descriptions in the aforementioned embodiments, and will not be repeated here.

[0167] According to an embodiment of the present invention, an air conditioner corresponding to an air conditioner control device is also provided. This air conditioner may include the air conditioner control device described above.

[0168] Since the processing and functions implemented by the air conditioner in this embodiment are basically the same as the embodiments, principles and examples of the aforementioned device, any details not covered in the description of this embodiment can be found in the relevant descriptions in the aforementioned embodiments, and will not be repeated here.

[0169] According to an embodiment of the present invention, a computer program product corresponding to the air conditioner control method is also provided, including a computer program that, when executed by a processor, implements the steps of the air conditioner control method described above.

[0170] Since the processing and functions implemented by the product in this embodiment are basically the same as the embodiments, principles and examples of the aforementioned methods, any details not covered in the description of this embodiment can be found in the relevant descriptions in the aforementioned embodiments, and will not be repeated here.

[0171] According to an embodiment of the present invention, a storage medium corresponding to an air conditioner control method is also provided, the storage medium including a stored program, wherein, when the program is executed, the device where the storage medium is located controls the execution of the steps of the air conditioner control method described above.

[0172] Since the processing and functions implemented by the storage medium in this embodiment are basically the same as the embodiments, principles and examples of the aforementioned methods, any details not covered in this embodiment can be found in the relevant descriptions in the aforementioned embodiments, and will not be repeated here.

[0173] In summary, it is readily understood by those skilled in the art that, without conflict, the aforementioned advantageous methods can be freely combined and superimposed.

[0174] The above description is merely an embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of the claims of the present invention.

Claims

1. A method for controlling an air conditioner, characterized in that, The air conditioner has an indoor heat exchanger and a water channel; a sterilization module is provided in the water channel, and the sterilization module is used to sterilize the water channel when the sterilization module itself is turned on and running. The air conditioner control method includes: When the air conditioner is powered on and off, the pipe temperature of the indoor heat exchanger is obtained, the indoor ambient temperature and humidity of the air conditioner are obtained, and the temperature and humidity of the water channel are obtained. The microbial growth parameters of the waterway are determined based on the temperature and humidity of the waterway. The amount of condensate water in the air conditioner is determined based on the indoor ambient temperature, the indoor ambient humidity, and the pipe temperature of the indoor heat exchanger. The target operating time of the sterilization module is determined based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner. The sterilization module is controlled to start and run for a target duration to sterilize the water channel and achieve self-cleaning of the air conditioner.

2. The air conditioning control method according to claim 1, characterized in that, The temperature of the waterway includes: the current value of the waterway temperature; the humidity of the waterway includes: the current value of the waterway humidity; the current residence time of the current value of the waterway temperature within the temperature range of the preset temperature range and the current value of the waterway humidity within the humidity range of the preset humidity range is the current residence time of the waterway. Based on the temperature and humidity of the waterway, the microbial growth parameters of the waterway are determined, including: The current microbial growth rate of the waterway is determined based on the current temperature and humidity of the waterway. The product of the current microbial growth rate of the waterway and the current residence time of the waterway is determined as the current microbial growth parameter of the waterway. The cumulative value of the current microbial growth parameters of the waterway during the downtime of the air conditioner is determined as the microbial growth parameters of the waterway.

3. The air conditioning control method according to claim 2, characterized in that, in, Based on the current temperature and humidity of the waterway, determine the current microbial growth rate of the waterway, including: Based on the current temperature and humidity of the waterway, the current microbial growth rate of the waterway is calculated using the following formula: ； Where u represents the current microbial growth rate of the waterway, and a represents a preset calculation coefficient. T min φ represents the predetermined temperature of the waterway at which the microbial growth rate in the waterway is 0. min T represents the predetermined humidity level of the waterway at which the microbial growth rate in the waterway is zero. i φ represents the current temperature of the waterway. i This indicates the current humidity level of the waterway; or, Determining the current microbial growth rate of the waterway based on its current temperature and humidity, further includes: The current temperature range of the waterway, which falls within a preset temperature range, is recorded as the current temperature range of the waterway; the current humidity range of the waterway, which falls within a preset humidity range, is recorded as the current humidity range of the waterway. Based on the correspondence between the set temperature range, the set humidity range, and the set growth rate, the set growth rate corresponding to the set temperature range and the set humidity range that are the same as the current temperature range of the waterway are determined as the current growth rate corresponding to the current temperature range and the current humidity range of the waterway, and are used as the current microbial growth rate of the waterway.

4. The air conditioning control method according to claim 1, characterized in that, The condensate volume of the air conditioner is determined based on the indoor ambient temperature, the indoor ambient humidity, and the pipe temperature of the indoor heat exchanger, including: The indoor dew point temperature of the air conditioner is determined based on the indoor ambient temperature and humidity of the air conditioner. The amount of condensate water in the air conditioner is determined based on the indoor dew point temperature and the pipe temperature of the indoor heat exchanger.

5. The air conditioning control method according to claim 4, characterized in that, The condensate flow rate of the air conditioner is determined based on the indoor dew point temperature and the pipe temperature of the indoor heat exchanger, including: The difference between the indoor dew point temperature of the air conditioner and the pipe temperature of the indoor heat exchanger is determined and denoted as the temperature difference of the indoor heat exchanger. The temperature difference range within the preset temperature difference range of the indoor heat exchanger is recorded as the current temperature difference range of the indoor heat exchanger. Based on the correspondence between the set temperature difference range and the set water volume range, the set water volume range corresponding to the set temperature difference range that is the same as the current temperature difference range of the indoor heat exchanger is determined as the current condensate volume range corresponding to the current temperature difference range of the indoor heat exchanger, and is used as the condensate volume of the air conditioner.

6. The air conditioning control method according to any one of claims 1 to 5, characterized in that, Based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner, the target operating time of the sterilization module is determined, including: Based on the preset membership relationship of growth parameters, the microbial growth parameters of the waterway are fuzzified to obtain the fuzzified parameters of the microbial parameters of the waterway. Based on the preset water volume membership relationship, the condensate volume of the air conditioner is fuzzified to obtain the fuzzified parameters of the condensate volume of the air conditioner. The operating time adjustment rate of the sterilization module is determined based on the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate volume of the air conditioner. The target running time of the sterilization module is determined by multiplying the default running time of the sterilization module by the running time adjustment rate of the sterilization module, and then summing the product with the default running time of the sterilization module.

7. The air conditioning control method according to claim 6, characterized in that, in, Based on a preset membership relationship of growth parameters, the microbial growth parameters of the waterway are fuzzified to obtain fuzzified microbial parameters of the waterway, including: The growth parameter interval to which the microbial growth parameters of the waterway fall within the preset growth parameter range is recorded as the current microbial growth parameter interval of the waterway. Based on the correspondence between the set growth parameter range and the first set fuzzification parameter, the first set fuzzification parameter corresponding to the set growth parameter range that is the same as the current microbial growth parameter range of the waterway in the correspondence is determined as the first fuzzification parameter corresponding to the current microbial growth parameter range of the waterway, and is used as the microbial parameter fuzzification parameter of the waterway. And / or, Based on a preset water volume membership relationship, the condensate volume of the air conditioner is fuzzified to obtain fuzzified parameters for the condensate volume of the air conditioner, including: The water volume range to which the air conditioner's condensate water volume falls within the preset water volume range is recorded as the current condensate water volume range of the air conditioner; Based on the correspondence between the set water volume range and the second set fuzzification parameter, the second set fuzzification parameter corresponding to the set water volume range that is the same as the current condensate water volume range of the air conditioner in the correspondence is determined as the second fuzzification parameter corresponding to the current condensate water volume range of the air conditioner, and is used as the fuzzification parameter of the microbial parameter of the air conditioner. And / or, Based on the fuzzy parameters of the microbial parameters of the waterway and the fuzzy parameters of the condensate flow rate of the air conditioner, the operating time adjustment rate of the sterilization module is determined, including: Based on the correspondence between the first set fuzzification parameter, the second set fuzzification parameter, and the set adjustment rate, the set adjustment rate corresponding to the first set fuzzification parameter that is the same as the fuzzification parameter of the microbial parameters of the water channel and the second set fuzzification parameter that is the same as the fuzzification parameter of the condensate volume of the air conditioner is determined as the adjustment rate corresponding to the fuzzification parameter of the microbial parameters of the water channel and the fuzzification parameter of the condensate volume of the air conditioner, and is used as the running time adjustment rate of the sterilization module.

8. A control device for an air conditioner that implements air conditioner control using the control method for an air conditioner as described in any one of claims 1 to 7, characterized in that, include: The acquisition unit is configured to acquire the pipe temperature of the indoor heat exchanger, the indoor ambient temperature and humidity of the air conditioner, and the temperature and humidity of the water channel when the air conditioner is powered on and off. The control unit is configured to determine the microbial growth parameters of the waterway based on the temperature and humidity of the waterway. The control unit is further configured to determine the amount of condensate water in the air conditioner based on the indoor ambient temperature of the air conditioner, the indoor ambient humidity of the air conditioner, and the pipe temperature of the indoor heat exchanger. The control unit is also configured to determine the target operating time of the sterilization module based on the microbial growth parameters of the waterway and the condensate volume of the air conditioner. The control unit is also configured to control the sterilization module to turn on and run for a target operating time to sterilize the water channel and achieve self-cleaning of the air conditioner.

9. An air conditioner, characterized in that, include: The air conditioning control device as described in claim 8.

10. A storage medium, characterized in that, The storage medium includes a stored program, wherein, when the program is executed, the device containing the storage medium is controlled to perform the air conditioning control method according to any one of claims 1 to 7.

11. A computer program product, comprising a computer program, characterized in that, When the computer program is executed by the processor, it implements the steps of the air conditioning control method according to any one of claims 1 to 7.

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