CN113669855A - High-temperature sterilization control method, double-through-flow air conditioner and storage medium - Google Patents
High-temperature sterilization control method, double-through-flow air conditioner and storage medium Download PDFInfo
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- CN113669855A CN113669855A CN202010406196.XA CN202010406196A CN113669855A CN 113669855 A CN113669855 A CN 113669855A CN 202010406196 A CN202010406196 A CN 202010406196A CN 113669855 A CN113669855 A CN 113669855A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention discloses a high-temperature sterilization control method, a double-through-flow air conditioner and a storage medium, belonging to the technical field of air conditioners, and the method comprises the following steps: after the high-temperature sterilization function is started, starting a heating mode, and controlling the temperature of the indoor coil to be greater than or equal to a preset sterilization temperature; determining a first target frequency of an indoor motor according to a preset time interval, and comparing the first target frequency with a frequency threshold value; and if the first target frequency is less than the frequency threshold, increasing the running frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop running. So, after opening the high temperature degerming function, coil pipe temperature in the control room to promote the operating frequency of first indoor motor under the condition that motor frequency is low excessively, and control the indoor motor stall of second, can ensure that indoor motor does not move under the low frequency, from this under the prerequisite of guaranteeing the high temperature degerming effect, motor temperature in the control room promotes the reliability and the life of indoor motor.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a high-temperature sterilization control method, a double-cross-flow air conditioner and a storage medium.
Background
Generally, when the air conditioner is in the high temperature sterilization mode, in order to make the indoor coil temperature reach the sterilization temperature, the frequency of the indoor motor needs to be reduced, but the indoor motor operates at a low speed, which increases the temperature, reduces the reliability, and shortens the service life of the indoor motor.
Disclosure of Invention
The invention provides a high-temperature sterilization control method, a double-through-flow air conditioner and a storage medium, aiming at controlling the temperature of an indoor motor, improving the reliability of the indoor motor and prolonging the service life of the indoor motor on the premise of ensuring the high-temperature sterilization effect.
In order to achieve the above object, the present invention provides a high temperature sterilization control method applied to a dual cross flow air conditioner including a first indoor motor and a second indoor motor, the method including:
after the high-temperature sterilization function of the double-cross-flow air conditioner is started, a heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to a preset sterilization temperature;
determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value;
and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating.
Preferably, the step of increasing the operating frequency of the first indoor motor to a second target frequency includes:
determining a target air volume based on the first target frequency;
determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume, and determining a corresponding second target frequency based on the target rotating speed, wherein the second target frequency is greater than the first target frequency and is less than or equal to a preset maximum frequency;
and controlling the first indoor motor to operate according to the second target frequency.
Preferably, the step of controlling the indoor coil temperature to be greater than or equal to the preset sterilizing temperature includes:
acquiring the temperature of the indoor coil pipe, and comparing the temperature of the indoor coil pipe with the preset degerming temperature;
if the indoor coil temperature is lower than the preset degerming temperature, the operating frequency of the first indoor motor and/or the second indoor fan is/are gradually reduced according to a preset frequency reduction gradient until the indoor coil temperature is higher than or equal to the preset degerming temperature.
Preferably, after the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating if the first target frequency is less than the frequency threshold, the method further includes:
acquiring the current indoor coil temperature according to a preset period, gradually increasing the second target frequency when the current indoor coil temperature reaches the maximum sterilization temperature to acquire a third target frequency, controlling the first indoor motor to operate according to the third target frequency, and comparing the third target frequency with the preset maximum frequency;
and if the third target frequency is equal to or greater than the preset maximum frequency, starting the second indoor motor, determining the fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency.
Preferably, after the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating if the first target frequency is less than the frequency threshold, the method further includes:
receiving a high-temperature sterilization quitting instruction, quitting the high-temperature sterilization function based on the high-temperature sterilization quitting instruction, determining fifth target frequencies of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequencies.
Preferably, the step of determining the first target frequency of the first indoor motor and the second indoor motor at preset time intervals includes:
according to a preset time interval, acquiring the actual temperature of an indoor coil, and determining the first target frequency of the first indoor motor and the second indoor motor based on the actual temperature of the indoor coil.
Preferably, the step of determining a first target frequency of the first indoor motor and a first target frequency of the second indoor motor at preset time intervals, and comparing the first target frequency with a frequency threshold value further includes:
and if the first target frequency is greater than or equal to the frequency threshold, controlling the first indoor motor and the second indoor motor to operate according to the first target frequency.
Preferably, the double cross-flow air conditioner comprises a first indoor cross-flow wind wheel and a second indoor cross-flow wind wheel;
if the first target frequency is smaller than the frequency threshold, the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating further includes:
determining a second target rotating speed corresponding to the first indoor cross-flow wind wheel based on the second target frequency, and controlling the first indoor cross-flow wind wheel to operate according to the second target rotating speed; and
and controlling the cross flow wind wheel in the second chamber to stop running.
In addition, to achieve the above object, the present invention further provides a dual-cross flow air conditioner, which includes a first indoor motor, a second indoor motor, a processor, a memory, and a high temperature sterilization control program stored in the memory, wherein when the high temperature sterilization control program is executed by the processor, the steps of the high temperature sterilization control method are implemented.
In addition, to achieve the above object, the present invention also provides a computer storage medium having a high-temperature sterilization control program stored thereon, the high-temperature sterilization control program implementing the steps of the high-temperature sterilization control method as described above when being executed by a processor.
Compared with the prior art, the invention discloses a high-temperature sterilization control method, a double-cross-flow air conditioner and a storage medium, wherein the method comprises the following steps: after the high-temperature sterilization function of the double-cross-flow air conditioner is started, a heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to a preset sterilization temperature; determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value; and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating. So, after opening the high temperature degerming, coil pipe temperature in the control room to promote the operating frequency of first indoor motor under the condition that motor frequency is low excessively, and control the indoor motor stall of second, can ensure that indoor motor does not move under the low frequency, from this under the prerequisite of guaranteeing the high temperature degerming effect, motor temperature in the control room promotes the reliability and the life of indoor motor.
Drawings
FIG. 1 is a schematic diagram of a hardware configuration of a dual cross-flow air conditioner according to various embodiments of the present invention;
FIG. 2 is a schematic diagram of a dual cross-flow air conditioner indoor unit according to various embodiments of the present invention;
FIG. 3 is a schematic flow chart illustrating a high-temperature sterilization control method according to a first embodiment of the present invention;
FIG. 4 is a flowchart illustrating a high-temperature sterilization control method according to a second embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | |
7 | Front |
| 2 | |
8 | Rear |
| 3 | |
9 | |
| 4 | Left side through- |
10 | |
| 5 | Right side through- |
11 | Indoor |
| 6 | Air inlet |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The double-through-flow air conditioner mainly related to the embodiment of the invention refers to network connection equipment capable of realizing network connection, and the double-through-flow air conditioner can be a server, a cloud platform and the like. In addition, the mobile terminal related to the embodiment of the invention can be mobile network equipment such as a mobile phone, a tablet personal computer and the like.
Referring to fig. 1, fig. 1 is a schematic diagram of a hardware structure of a dual cross-flow air conditioner according to embodiments of the present invention. In the embodiment of the present invention, the dual tubular air conditioner may include a processor 1001 (e.g., a Central Processing Unit, CPU), a communication bus 1002, an input port 1003, an output port 1004, and a memory 1005. The communication bus 1002 is used for realizing connection communication among the components; the input port 1003 is used for data input; the output port 1004 is used for data output, the memory 1005 may be a high-speed RAM memory, or a non-volatile memory (non-volatile memory), such as a magnetic disk memory, and the memory 1005 may optionally be a storage device independent of the processor 1001. Those skilled in the art will appreciate that the hardware configuration depicted in FIG. 1 is not intended to be limiting of the present invention, and may include more or less components than those shown, or some components in combination, or a different arrangement of components.
With continued reference to fig. 1, the memory 1005 of fig. 1, which is one type of readable storage medium, may include an operating system, a network communication module, an application program module, and a high-temperature sterilization control program. In fig. 1, the network communication module is mainly used for connecting to a server and performing data communication with the server; the processor 1001 is configured to call the high-temperature sterilization control program stored in the memory 1005, and perform the following operations:
after the high-temperature sterilization function of the double-cross-flow air conditioner is started, a heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to a preset sterilization temperature;
determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value;
and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
determining a target air volume based on the first target frequency;
determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume, and determining a corresponding second target frequency based on the target rotating speed, wherein the second target frequency is greater than the first target frequency and is less than or equal to a preset maximum frequency;
and controlling the first indoor motor to operate according to the second target frequency.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
acquiring the temperature of the indoor coil pipe, and comparing the temperature of the indoor coil pipe with the preset degerming temperature;
if the indoor coil temperature is lower than the preset degerming temperature, the operating frequency of the first indoor motor and/or the second indoor fan is/are gradually reduced according to a preset frequency reduction gradient until the indoor coil temperature is higher than or equal to the preset degerming temperature.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
acquiring the current indoor coil temperature according to a preset period, gradually increasing the second target frequency when the current indoor coil temperature reaches the maximum sterilization temperature to acquire a third target frequency, controlling the first indoor motor to operate according to the third target frequency, and comparing the third target frequency with the preset maximum frequency;
and if the third target frequency is equal to or greater than the preset maximum frequency, starting the second indoor motor, determining the fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
receiving a high-temperature sterilization quitting instruction, quitting the high-temperature sterilization function based on the high-temperature sterilization quitting instruction, determining fifth target frequencies of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequencies.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
according to a preset time interval, acquiring the actual temperature of an indoor coil, and determining the first target frequency of the first indoor motor and the second indoor motor based on the actual temperature of the indoor coil.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
and if the first target frequency is greater than or equal to the frequency threshold, controlling the first indoor motor and the second indoor motor to operate according to the first target frequency.
Further, the processor 1001 is also configured to call the high-temperature sterilization control program stored in the memory 1005, and execute the following operations:
determining a second target rotating speed corresponding to the first indoor cross-flow wind wheel based on the second target frequency, and controlling the first indoor cross-flow wind wheel to operate according to the second target rotating speed; and
and controlling the cross flow wind wheel in the second chamber to stop running.
Based on the above hardware structure, embodiments of the present invention are provided. A first embodiment of the present invention provides a high-temperature sterilization control method, and specifically, referring to fig. 2, fig. 2 is a schematic diagram of a dual-through-flow air conditioner indoor unit according to embodiments of the present invention.
In this embodiment, the high-temperature sterilization control method is applied to a double-cross-flow air conditioner, and the double-cross-flow air conditioner includes a housing, an indoor coil, a first indoor motor, a second indoor motor, an indoor double-cross-flow wind wheel, and the like, wherein the indoor double-cross-flow wind wheel includes a first indoor cross-flow wind wheel and a second indoor cross-flow wind wheel. The first indoor motor and the second indoor motor are functionally equivalent and can be switched with each other. In this embodiment, the first indoor motor drives the first indoor cross flow wind wheel to operate, and the second indoor motor drives the second indoor cross flow wind wheel to operate. The first indoor motor and the second indoor motor can run independently or simultaneously, and the running frequencies of the first indoor motor and the second indoor motor can be the same or different. The double-cross-flow air conditioner has the functions of heating, refrigerating, dehumidifying, defrosting and the like, and also has a high-temperature sterilization function.
Specifically, referring to fig. 3, fig. 3 is a schematic diagram of a double-cross flow air conditioner indoor unit according to an embodiment of the present invention. The indoor unit of the double-cross-flow air conditioner comprises a top cover 1, a camera 2, a touch screen 3, a left-side cross-flow air outlet 4, a right-side cross-flow air outlet 5, an air inlet 6, a front fresh air outlet 7, a rear fresh air outlet 8, an indoor air return opening 11, an atmosphere lamp 10, a lower panel 9 and the like. And the wind generated by the first indoor cross-flow wind wheel and/or the second indoor cross-flow wind wheel is blown out from the left side cross-flow air outlet 4 and the right side cross-flow air outlet 5.
Many kinds of bacteria and viruses are not high-temperature resistant, and most kinds of bacteria and/or viruses can be inactivated after being placed in an environment with the temperature of not lower than 56 ℃ for a plurality of times. The indoor coil is in a high-temperature state when the double-through-flow air conditioner is in a heating state, but is limited by the requirements of reliability, heating performance and noise of a system and components of the double-through-flow air conditioner, and the temperature of the indoor coil in normal operation of the current double-through-flow air conditioner is low, so that the indoor coil cannot reach the high-temperature for sterilization, and bacteria and viruses are difficult to kill.
In this embodiment, the high-temperature sterilization control method includes:
step S101, after the double cross-flow air conditioner starts a high-temperature sterilization function, starting a heating mode, and controlling the temperature of an indoor coil to be greater than or equal to a preset sterilization temperature;
the double cross-flow air conditioner is provided with a high-temperature sterilization function. The double-cross-flow air conditioner receives a high-temperature sterilization instruction sent by a user, and starts a high-temperature sterilization function according to the high-temperature sterilization instruction. Generally, after the high-temperature sterilization instruction is received, checking a current working mode, and if the current working mode is a heating mode, starting the high-temperature sterilization mode; and if the current working mode is not the heating mode, sending a prompt message for entering the high-temperature sterilization mode, and converting the current working mode into the heating mode.
Generally, the sterilization effect can be exerted only when the temperature of the indoor coil is higher than the preset sterilization temperature. Therefore, in order to ensure the sterilization effect, it is necessary to control the indoor coil temperature to be within a reasonable range.
Specifically, the step of controlling the indoor coil temperature to be greater than or equal to the preset sterilization temperature includes:
acquiring the temperature of the indoor coil pipe, and comparing the temperature of the indoor coil pipe with the preset degerming temperature;
if the indoor coil temperature is lower than the preset degerming temperature, the operating frequency of the first indoor motor and/or the second indoor fan is/are gradually reduced according to a preset frequency reduction gradient until the indoor coil temperature is higher than or equal to the preset degerming temperature.
In this embodiment, the preset down-conversion gradient may be specifically set as required. The predetermined down gradient may be a specific frequency value, such as 100Hz, 50Hz, 10Hz, etc. In the process of reducing the operating frequency, the operating frequency can be reduced step by step according to a fixed frequency value, and can also be reduced according to different frequency values.
The preset down-conversion gradient can also be down-converted in a mode of reducing a certain decreasing frequency each time. If the last recorded operating frequency is fn, the operating frequency f after being down-converted once may be the operating frequency of the last recording minus the decreasing frequency: f ═ fn- (Tn-T) × fx. Where Tn represents the preset sterilization temperature, T represents the currently recorded indoor coil temperature, fx represents the down-conversion coefficient, (Tn-T) × fx represents the decreasing frequency, and the number of down-conversions and fx may be specifically set as required, for example, fx is set to a natural number greater than or equal to 1. Therefore, the operating frequency of the first indoor motor and/or the second indoor motor is/are gradually reduced according to the preset frequency reduction gradient, the indoor motor and the corresponding cross-flow wind wheel can be kept stable in the frequency reduction process, and abnormal sound cannot occur.
In this embodiment, the operating frequency of the first indoor motor in the first room may be the same as or different from the operating frequency of the second indoor motor. And the preset down-conversion gradients of the two can be the same or different. In addition, the operating frequency of the first indoor motor can be reduced, and when the operating frequency of the first indoor motor reaches the minimum value of the preset frequency, if the operating frequency of the first indoor motor does not reach the preset degerming temperature, the operating frequency of the first indoor motor is reduced.
Step S102, determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value;
the preset time interval in this embodiment is set empirically, for example, the preset time interval is set to 0.5 s. The present embodiment determines a first target frequency for the first indoor motor and the second indoor motor based on the indoor coil actual temperature. Specifically, a difference value between the preset degerming temperature and the actual temperature of the indoor coil is calculated, the current frequencies of the first indoor motor and the second indoor motor are obtained, and the first target frequency of the first indoor motor and the second indoor motor is determined based on the difference value and the current frequencies. In this embodiment, the first frequency of the first indoor motor may be the same as or different from the first target frequency of the second indoor motor.
After the first target frequency is determined, the first target frequency is compared with a frequency threshold. The frequency threshold is set based on the models of the first indoor motor and the second indoor motor, and the frequency threshold of the first indoor motor and the frequency threshold of the second indoor motor may be the same or different. In this embodiment, the frequency threshold is greater than or equal to the lowest value of the normal operation of the indoor motor, and if the indoor motor operates below the frequency threshold, the motor temperature is high due to low-frequency operation, the reliability is low, and the service life is shortened.
In this embodiment, if the first target frequency is greater than or equal to the frequency threshold, the first indoor motor and the second indoor motor are controlled to operate according to the first target frequency. Meanwhile, determining a first target rotating speed corresponding to the first indoor cross-flow wind wheel and the second indoor cross-flow wind wheel based on the first target frequency, and controlling the first indoor cross-flow wind wheel and the second indoor cross-flow wind wheel to operate according to the first target rotating speed.
And step S103, if the first target frequency is smaller than the frequency threshold, increasing the running frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop running.
If the first target frequency is less than the frequency threshold, the target frequency needs to be determined again in order to protect the motor. In this embodiment, the step of increasing the operating frequency of the first indoor motor to a second target frequency includes:
determining a target air volume based on the first target frequency;
determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume, and determining a corresponding second target frequency based on the target rotating speed, wherein the second target frequency is greater than the first target frequency and is less than or equal to a preset maximum frequency;
and controlling the first indoor motor to operate according to the second target frequency.
Generally, parameters such as frequency, rotation speed, air volume and the like have a certain conversion relationship, and if a certain parameter is known, other parameters can be determined according to a function, a curve and a mapping table. For example, if the frequency is known, the corresponding rotation speed and the corresponding air volume can be determined based on a function, a curve, and a map.
In this embodiment, a target air volume is determined based on the first target frequency, and the target air volume may be a total air volume, or may be an air volume of the first indoor cross flow wind wheel and an air volume of the second indoor cross flow wind wheel that are determined separately. And determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume, and determining a corresponding second target frequency based on the corresponding relation between the rotating speed and the frequency. It is understood that the second target frequency is greater than the first target frequency and less than or equal to a preset maximum frequency. And after the second target frequency is determined, controlling the first indoor motor to operate according to the second target frequency.
In this embodiment, the operating frequency of the first indoor motor may be increased to a second target frequency based on a preset frequency-increasing gradient.
The ascending gradient may be a fixed frequency value. For example, the difference between the second target frequency and the operating frequency is divided by an integer of a preset frequency increasing number to determine the frequency increasing gradient.
The preset ascending gradient can also be ascending in a mode of ascending a certain frequency every time. If the last recorded operating frequency is fn, the operating frequency f after the last frequency boost may be the operating frequency of the last recording plus the frequency boost: f is fn + k f. Wherein k × fy represents the ascending frequency, k may be a fixed value, and k may also be (Tn-T), where Tn represents the preset sterilization temperature, and T represents the currently recorded indoor coil temperature; fy is an up-conversion coefficient, and the number of times of up-conversion and fy may be specifically set as needed, for example, fy is set to a natural number greater than or equal to 1. Therefore, the operating frequency of the first indoor motor is gradually increased according to the preset frequency-increasing gradient, the indoor motor and the corresponding cross-flow wind wheel can be kept stable in the frequency-increasing process, and abnormal sound cannot occur.
Further, after the step S103, the method further includes:
determining a second target rotating speed corresponding to the first indoor cross-flow wind wheel based on the second target frequency, and controlling the first indoor cross-flow wind wheel to operate according to the second target rotating speed; and
and controlling the cross flow wind wheel in the second chamber to stop running.
Generally, the frequency and the rotating speed have a corresponding relation, after the second target frequency is determined, the corresponding second target rotating speed can be obtained, and the first indoor cross-flow wind wheel is controlled to operate according to the second target rotating speed. And the second indoor motor stops running, so that the rotating speed of the corresponding second indoor cross-flow wind wheel is determined to be zero, namely the second indoor cross-flow wind wheel is controlled to stop running.
Further, after the step S103, the method further includes:
receiving a high-temperature sterilization quitting instruction, quitting the high-temperature sterilization function based on the high-temperature sterilization quitting instruction, determining fifth target frequencies of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequencies.
And receiving a high-temperature sterilization exit instruction sent by a user through a remote controller or associated equipment, and exiting the high-temperature sterilization function after the double cross-flow wind wheel air conditioner receives the high-temperature sterilization exit instruction. And re-determining the operating frequencies of the first indoor motor and the second indoor motor, wherein the operating frequencies are determined based on one or more parameters of the exited operating mode, the indoor coil temperature, the indoor temperature and the set wind speed, and marking the determined operating frequencies as a fifth target frequency. The fifth target frequency of the first indoor motor and the fifth target frequency of the second indoor motor may be the same or different. And after the fifth target frequency is determined, controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequency. And acquiring the corresponding rotating speed of a fifth cross-flow wind wheel, and controlling the first indoor cross-flow wind wheel and the second indoor cross-flow wind wheel to rotate according to the rotating speed of the fifth cross-flow wind wheel. Further, the operation frequency before entering the high temperature sterilization function may be determined as the fifth target frequency.
According to the scheme, after the double-cross-flow air conditioner starts the high-temperature sterilization function, the heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to the preset sterilization temperature; determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value; and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating. So, after opening the high temperature degerming, coil pipe temperature in the control room to promote the operating frequency of first indoor motor under the condition that motor frequency is low excessively, and control the indoor motor stall of second, can ensure that indoor motor does not move under the low frequency, from this under the prerequisite of guaranteeing the high temperature degerming effect, motor temperature in the control room promotes the reliability and the life of indoor motor.
A second embodiment of the present invention is proposed based on the above-described first embodiment of fig. 2. As shown in fig. 4, a second embodiment of the present invention provides a high temperature sterilization control method, wherein if the first target frequency is less than the frequency threshold, the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating further includes:
step S104: acquiring the current indoor coil temperature according to a preset period, gradually increasing the second target frequency when the current indoor coil temperature reaches the maximum sterilization temperature to acquire a third target frequency, controlling the first indoor motor to operate according to the third target frequency, and comparing the third target frequency with the preset maximum frequency;
it will be appreciated that in order to protect other components of the dual cross-flow wind wheel air conditioner from raising the indoor coil temperature in a single step, the maximum sterilization temperature may be set as appropriate, for example, at 58 ℃. The current indoor coil temperature is obtained according to a preset period, wherein the preset period can be 10 s. When present indoor coil pipe temperature reached maximum degerming temperature, the explanation has reached predetermined degerming effect, and at this moment, in order to guarantee that air conditioner heating effect needs to increase the amount of wind of indoor air outlet, also need promote the operating frequency. In this embodiment, the second target frequency is gradually increased according to a preset increase amplitude to obtain a third target frequency, the first indoor motor is controlled to operate according to the third target frequency, and the third target frequency is compared with a preset maximum frequency.
Step S105: and when the third target frequency reaches a preset maximum frequency, starting the second indoor motor, determining a fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency.
Generally, the motor has an optimal operating frequency range, based on which a preset maximum frequency is set. And when the third target frequency reaches a preset maximum frequency, starting the second indoor motor. And determining fourth target frequencies of the first indoor motor and the second indoor motor, where the fourth target frequency of the first indoor motor may be the same as or different from the fourth target frequency of the second indoor motor. And controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency. And determining a corresponding fourth target rotating speed based on the fourth target frequency, and controlling the first indoor cross-flow wind wheel and the second indoor cross-flow wind wheel to operate according to the fourth target rotating speed. In this way, by restarting the second indoor motor, the operating pressure of the first indoor motor can be shared, so that the first indoor motor operates within the optimal operating frequency range.
According to the scheme, the current indoor coil temperature is obtained according to the preset period, when the current indoor coil temperature reaches the maximum sterilization temperature, the second target frequency is gradually increased to obtain a third target frequency, the first indoor motor is controlled to operate according to the third target frequency, and the third target frequency is compared with the preset maximum frequency; and if the third target frequency is equal to or greater than the preset maximum frequency, starting the second indoor motor, determining the fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency. So, when indoor coil pipe temperature reached the biggest degerming temperature, promote the operating frequency of first indoor motor to when the operating frequency of first indoor motor reached and predetermine maximum frequency, start the indoor motor of second of shut down, under the prerequisite of ensureing the high temperature degerming effect, control indoor motor temperature promotes the reliability and the life of indoor motor from this.
In addition, an embodiment of the present invention further provides a high temperature sterilization control apparatus, where the apparatus includes:
the first control module is used for starting a heating mode after the double cross-flow air conditioner starts a high-temperature sterilization function and controlling the temperature of the indoor coil to be greater than or equal to a preset sterilization temperature;
the determining module is used for determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval and comparing the first target frequencies with a frequency threshold value;
and the second control module is used for increasing the running frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop running if the first target frequency is smaller than the frequency threshold.
Further, the determining module includes:
a first determination unit configured to determine a target air volume based on the first target frequency;
the second determining unit is used for determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume and determining a corresponding second target frequency based on the target rotating speed, wherein the second target frequency is greater than the first target frequency and is less than or equal to a preset maximum frequency;
and the first control unit is used for controlling the first indoor motor to operate according to the second target frequency.
Further, the first control module includes:
the first comparison unit is used for acquiring the temperature of the indoor coil and comparing the temperature of the indoor coil with the preset sterilization temperature;
and the reducing unit is used for gradually reducing the operating frequency of the first indoor motor and/or the second indoor fan according to a preset frequency reduction gradient until the indoor coil temperature is greater than or equal to the preset degerming temperature if the indoor coil temperature is less than the preset degerming temperature.
Further, the second control module further comprises:
the second comparison unit is used for acquiring the current indoor coil temperature according to a preset period, gradually increasing the second target frequency when the current indoor coil temperature reaches the maximum sterilization temperature to acquire a third target frequency, controlling the first indoor motor to operate according to the third target frequency, and comparing the third target frequency with the preset maximum frequency;
and the second control unit is used for starting the second indoor motor if the third target frequency is equal to or greater than a preset maximum frequency, determining a fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency.
Further, the second control module further comprises:
and the third control unit is used for receiving a high-temperature sterilization quitting instruction, quitting the high-temperature sterilization function based on the high-temperature sterilization quitting instruction, determining fifth target frequencies of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequencies.
Further, the determining module includes:
and the third determining unit is used for acquiring the actual temperature of the indoor coil pipe according to a preset time interval, and determining the first target frequency of the first indoor motor and the second indoor motor based on the actual temperature of the indoor coil pipe.
Further, the second control module further comprises:
and the fourth control unit is used for controlling the first indoor motor and the second indoor motor to operate according to the first target frequency if the first target frequency is greater than or equal to the frequency threshold.
Further, the second control module further comprises:
the fifth control unit is used for determining a second target rotating speed corresponding to the first indoor cross-flow wind wheel based on the second target frequency and controlling the first indoor cross-flow wind wheel to operate according to the second target rotating speed; and
and the sixth control unit is used for controlling the second indoor cross-flow wind wheel to stop running.
In addition, an embodiment of the present invention further provides a computer storage medium, where a high temperature sterilization control program is stored on the computer storage medium, and when the high temperature sterilization control program is executed by a processor, the steps of the high temperature sterilization control method are implemented, which are not described herein again.
Compared with the prior art, the high-temperature sterilization control method, the double-through-flow air conditioner, the device and the storage medium provided by the invention have the advantages that after the double-through-flow air conditioner starts the high-temperature sterilization function, the heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to the preset sterilization temperature; determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value; and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating. So, after opening the high temperature degerming, coil pipe temperature in the control room to promote the operating frequency of first indoor motor under the condition that motor frequency is low excessively, and control the indoor motor stall of second, can ensure that indoor motor does not move under the low frequency, from this under the prerequisite of guaranteeing the high temperature degerming effect, motor temperature in the control room promotes the reliability and the life of indoor motor.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for causing a terminal device to execute the method according to the embodiments of the present invention.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures or flow transformations made by the present specification and drawings, or applied directly or indirectly to other related arts, are included in the scope of the present invention.
Claims (10)
1. A high-temperature sterilization control method is applied to a double-through-flow air conditioner, the double-through-flow air conditioner comprises a first indoor motor and a second indoor motor, and the method comprises the following steps:
after the high-temperature sterilization function of the double-cross-flow air conditioner is started, a heating mode is started, and the temperature of the indoor coil is controlled to be greater than or equal to a preset sterilization temperature;
determining first target frequencies of the first indoor motor and the second indoor motor according to a preset time interval, and comparing the first target frequencies with a frequency threshold value;
and if the first target frequency is smaller than the frequency threshold, increasing the operating frequency of the first indoor motor to a second target frequency, and controlling the second indoor motor to stop operating.
2. The method of claim 1, wherein the step of increasing the operating frequency of the first indoor motor to a second target frequency comprises:
determining a target air volume based on the first target frequency;
determining a target rotating speed from a pre-stored rotating speed-air volume curve based on the target air volume, and determining a corresponding second target frequency based on the target rotating speed, wherein the second target frequency is greater than the first target frequency and is less than or equal to a preset maximum frequency;
and controlling the first indoor motor to operate according to the second target frequency.
3. The method of claim 1, wherein the step of controlling the indoor coil temperature to be greater than or equal to a preset sterilizing temperature comprises:
acquiring the temperature of the indoor coil pipe, and comparing the temperature of the indoor coil pipe with the preset degerming temperature;
if the indoor coil temperature is lower than the preset degerming temperature, the operating frequency of the first indoor motor and/or the second indoor fan is/are gradually reduced according to a preset frequency reduction gradient until the indoor coil temperature is higher than or equal to the preset degerming temperature.
4. The method of claim 1, wherein the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating if the first target frequency is less than the frequency threshold further comprises:
acquiring the current indoor coil temperature according to a preset period, gradually increasing the second target frequency when the current indoor coil temperature reaches the maximum sterilization temperature to acquire a third target frequency, controlling the first indoor motor to operate according to the third target frequency, and comparing the third target frequency with the preset maximum frequency;
and if the third target frequency is equal to or greater than the preset maximum frequency, starting the second indoor motor, determining the fourth target frequency of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fourth target frequency.
5. The method of claim 1, wherein the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating if the first target frequency is less than the frequency threshold further comprises:
receiving a high-temperature sterilization quitting instruction, quitting the high-temperature sterilization function based on the high-temperature sterilization quitting instruction, determining fifth target frequencies of the first indoor motor and the second indoor motor, and controlling the first indoor motor and the second indoor motor to operate according to the fifth target frequencies.
6. The method of claim 1, wherein the step of determining the first target frequency of the first indoor motor and the second indoor motor at preset time intervals comprises:
according to a preset time interval, acquiring the actual temperature of an indoor coil, and determining the first target frequency of the first indoor motor and the second indoor motor based on the actual temperature of the indoor coil.
7. The method of claim 1, wherein the steps of determining a first target frequency for the first indoor motor and the second indoor motor at preset time intervals, and comparing the first target frequency to a frequency threshold further comprise:
and if the first target frequency is greater than or equal to the frequency threshold, controlling the first indoor motor and the second indoor motor to operate according to the first target frequency.
8. The method of any of claims 1-7, wherein the dual crossflow air conditioner comprises a first indoor crossflow wind wheel and a second indoor crossflow wind wheel;
if the first target frequency is smaller than the frequency threshold, the step of increasing the operating frequency of the first indoor motor to a second target frequency and controlling the second indoor motor to stop operating further includes:
determining a second target rotating speed corresponding to the first indoor cross-flow wind wheel based on the second target frequency, and controlling the first indoor cross-flow wind wheel to operate according to the second target rotating speed; and
and controlling the cross flow wind wheel in the second chamber to stop running.
9. A dual-flow air conditioner, characterized in that the dual-flow air conditioner comprises a first indoor motor, a second indoor motor, a processor, a memory, and a high temperature sterilization control program stored in the memory, wherein the high temperature sterilization control program, when executed by the processor, implements the steps of the high temperature sterilization control method according to any one of claims 1 to 8.
10. A computer storage medium, characterized in that the computer storage medium has stored thereon a high-temperature sterilization control program that, when executed by a processor, implements the steps of the high-temperature sterilization control method according to any one of claims 1 to 8.
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