CN111380149B - Air conditioner filter screen cleaning control method and device and air conditioner - Google Patents

Air conditioner filter screen cleaning control method and device and air conditioner Download PDF

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Publication number
CN111380149B
CN111380149B CN202010231846.1A CN202010231846A CN111380149B CN 111380149 B CN111380149 B CN 111380149B CN 202010231846 A CN202010231846 A CN 202010231846A CN 111380149 B CN111380149 B CN 111380149B
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China
Prior art keywords
air conditioner
controlling
filter screen
cleaning
steering
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CN202010231846.1A
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Chinese (zh)
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CN111380149A (en
Inventor
李博涛
陈体宁
赵攀
侯丽峰
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Ningbo Aux Electric Co Ltd
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Ningbo Aux Electric Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/39Monitoring filter performance
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0071Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/88Electrical aspects, e.g. circuits

Abstract

The invention provides an air conditioner filter screen cleaning control method and device and an air conditioner, and relates to the technical field of air conditioners. The cleaning control method of the air conditioner filter screen comprises the following steps: a purge signal is received. And controlling the air conditioner to enter a dehumidification mode according to the cleaning signal, and controlling an inner motor of an inner machine of the air conditioner to rotate in a first direction. And controlling the inner motor to switch to a second steering direction so as to enable the air flow to the filter screen through an evaporator of the air conditioner inner unit, wherein the first steering direction and the second steering direction are opposite. The invention also provides an air conditioner filter screen cleaning control device and an air conditioner. The air conditioner filter screen cleaning control method, the air conditioner filter screen cleaning control device and the air conditioner can solve the problem that the filter screen can be cleaned without increasing the cost and the problem of how to simplify the filter screen cleaning.

Description

Air conditioner filter screen cleaning control method and device and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner filter screen cleaning control method and device and an air conditioner.
Background
After the long-term operation of present domestic air conditioner, the air conditioner filter screen is amassed easily dust, and the weather becomes hot back and breeds the bacterium easily, and general family all can select manually to disassemble the filter screen, installs after the sanitization again. The air conditioner is required to be powered off in manual operation, and the air conditioner cannot be used in the period of the power off, so that the user experience is influenced; the wall hanging machine is generally hung at a higher position, and the difficulty in disassembling the filter screen is high; the manual operation can not clean the filter screen at any time, which affects the heat exchange effect of the air conditioner and increases the energy consumption by phase change.
Disclosure of Invention
The invention solves the problem of how to complete the cleaning of the filter screen without increasing the cost and the problem of how to simplify the way of cleaning the filter screen.
In order to solve the above problems, the present invention provides an air conditioner filter screen cleaning control method for cleaning a filter screen of an air conditioner indoor unit, the air conditioner filter screen cleaning control method comprising:
a purge signal is received.
And controlling the air conditioner to enter a dehumidification mode according to the cleaning signal, and controlling an inner motor of the air conditioner indoor unit to rotate in a first direction.
And controlling the inner motor to switch to a second steering direction so as to enable the air flow to the filter screen through an evaporator of the air conditioner inner unit, wherein the first steering direction is opposite to the second steering direction.
The air conditioner filter screen cleaning control method provided by the invention can switch the air conditioner to the dehumidification mode after receiving the cleaning signal, and control the inner motor of the air conditioner indoor unit to rotate in the first direction, at the moment, a large amount of water vapor can be formed at the evaporator of the air conditioner indoor unit, so that the humidity around the evaporator is greatly improved, then the inner motor is controlled to switch to the second direction, so that the air flow containing a large amount of water vapor can be guided to the filter screen, when the air flow with high humidity passes through the filter screen, a large amount of water drops can be formed on the filter screen, the water drops can permeate to the other side of the filter screen under the action of the air flow, and after the water drops are condensed in a large amount, water flow can be formed to take dust on the filter screen away from the filter screen, so that the aim of cleaning the filter screen is achieved.
Optionally, after the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal and controlling the internal motor of the air conditioner internal unit to rotate in the first direction, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and controlling the air conditioner to operate in a dehumidification mode for a first preset time.
The air conditioner is controlled to operate the initial mode for a first preset time, so that the enough time of the initial mode can be guaranteed, the air around the evaporator is guaranteed to have enough humidity, a large amount of water vapor can be gathered, the motor is guaranteed to be switched to the reversing mode to turn to the second in the control, the water energy containing a large amount of water vapor can be guaranteed to form enough water drops on the filter screen, and the cleaning reliability of the filter screen is improved.
Optionally, after the step of controlling the internal motor to switch the steering to the second steering, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and controlling the inner motor to operate in a second steering direction for a second preset time.
Through the control in the motor turn to the second with the second and move the second and preset time, can guarantee in the switching after the motor turns to, can have sufficient time and make the air current can form sufficient water on the filter screen, and then can guarantee that a large amount of water provide reliable cleaning to the filter screen.
Optionally, after the step of controlling the internal motor to operate in the second steering direction for the second preset time, the air conditioner filter screen washing control method further includes:
and controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to the first steering mode.
And controlling the air conditioner to operate in a dehumidification mode for a third preset time.
And controlling the inner motor to switch to the second steering operation for a fourth preset time.
After the motor switches to turn to the second and wash the filter screen in the control, switch to turn to first through motor switch in the secondary control and turn to, in order to assemble a large amount of steam once more around the evaporimeter, and when promoting the air humidity around the evaporimeter to suitable degree, then the secondary control motor switches to turn to the second and turns to, and blow the steam that assembles on the filter screen, wash the filter screen once more, in order to carry out a lot of washing to the filter screen, improve the clean degree to the filter screen.
Optionally, the step of controlling the air conditioner to operate in a dehumidification mode, and the step of controlling the inner motor to switch the steering to the first steering includes:
and controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to the first steering mode and operate at a first rotating speed.
The step of controlling the inner motor to switch the steering to the second steering for a fourth preset time comprises the following steps:
and controlling the inner motor to switch to the second steering and operate at a second rotating speed for a fourth preset time, wherein the second rotating speed is greater than the first rotating speed.
The inner motor can be operated in a first turning direction by operating at a first rotating speed, and the loss of water vapor around the evaporator can be avoided, so that the water vapor around the evaporator can be gathered. In addition, through turning to the operation at the second with the interior motor of second rotational speed operation, can lead to steam on the filter screen fast, and then form the drop of water on the filter screen fast, just can wash the filter screen fast, avoid the cleaning process consuming time too long to cause the reduction of user's use experience.
Optionally, after the step of controlling the internal motor to switch the steering to the second steering for a fourth preset time, the air conditioner filter screen cleaning control method further includes:
and controlling the inner motor to switch to the first steering operation for a fifth preset time.
And sending a cleaning end signal.
After washing many times, switch over interior motor to first turn to operation fifth preset time, and then can all clear away the drop of water on the filter screen to the filtering capability who avoids influencing the filter screen is realized.
Optionally, the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal includes:
and controlling the air conditioner to enter a dehumidification mode according to the cleaning signal and controlling the inner motor to operate at a third rotating speed.
The step of controlling the inner motor of the air conditioner indoor unit to switch to the second steering mode comprises the following steps:
and controlling the inner motor to switch to the second rotation direction and operate at a fourth rotation speed, wherein the fourth rotation speed is greater than the third rotation speed.
The inner motor can be operated in a first steering operation by operating at the third rotational speed, and the loss of water vapor around the evaporator can be avoided, so that the water vapor around the evaporator can be gathered. In addition, through turning to the operation at the second with the interior motor of fourth rotational speed operation, can lead to steam on the filter screen fast, and then form the drop of water on the filter screen fast, just can wash the filter screen fast, avoid the cleaning process consuming time too long to cause the reduction of user's use experience.
Optionally, before the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal, the air conditioner filter screen cleaning control method further includes:
and judging whether the outdoor ring temperature value is greater than or equal to a preset temperature value.
And if so, executing the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal.
An air conditioner filter screen cleaning control device comprises:
and the receiving module is used for receiving the cleaning signal.
And the first control module is used for controlling the air conditioner to operate in a dehumidification mode according to the cleaning signal and controlling an inner motor of an inner machine of the air conditioner to rotate in a first steering mode.
And the second control module is used for controlling the inner fan of the air conditioner indoor unit to switch to the second steering mode.
An air conditioner comprises a controller, wherein the controller is used for executing an air conditioner filter screen cleaning control method. The cleaning control method of the air conditioner filter screen comprises the following steps:
a purge signal is received.
And controlling the air conditioner to enter a dehumidification mode according to the cleaning signal, and controlling an inner motor of the air conditioner indoor unit to rotate in a first direction.
And controlling the inner motor to switch to a second steering direction so as to enable the air flow to the filter screen through an evaporator of the air conditioner inner unit, wherein the first steering direction is opposite to the second steering direction.
Compared with the prior art, the beneficial effects of the air conditioner filter screen cleaning control device and the air conditioner provided by the invention are the same as the beneficial effects of the air conditioner filter screen cleaning control method compared with the prior art, and are not repeated herein.
Drawings
Fig. 1 is a structural sectional view of an air conditioner indoor unit provided in an embodiment of the present application;
fig. 2 is a partial flowchart of a method for controlling cleaning of a filter screen of an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a flowchart of a cleaning control method for a filter screen of an air conditioner provided in an embodiment of the present application;
fig. 4 is a flowchart illustrating a step S20 in the method for controlling cleaning of a filter screen of an air conditioner according to the embodiment of the present application;
fig. 5 is a flowchart illustrating a step S30 in the method for controlling cleaning of a filter screen of an air conditioner according to the embodiment of the present application;
fig. 6 is a flowchart illustrating a step S41 in the method for controlling cleaning of a filter screen of an air conditioner according to the embodiment of the present application;
fig. 7 is a flowchart illustrating a step S43 in the method for controlling cleaning of a filter screen of an air conditioner according to the embodiment of the present application;
fig. 8 is a schematic functional block diagram of a cleaning control device for a filter screen of an air conditioner according to an embodiment of the present disclosure.
Description of reference numerals:
1-an air conditioner indoor unit; 2-an evaporator; 3, a fan; 4-air inlet; 5, air outlet; 6, filtering a screen; 10-a receiving module; 20-a first control module; 30-a second control module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The embodiment provides an air conditioner which comprises an air conditioner internal unit 1, an air conditioner external unit and a controller. The air conditioner outdoor unit is used for being installed in an outdoor environment. Referring to fig. 1, an air conditioner indoor unit 1 is installed in an indoor environment and is used for providing cooling or heating to the indoor environment. Further, the air conditioner indoor unit 1 at least comprises an evaporator 2, a fan 3, an inner motor and a filter screen 6. The inner motor is in transmission connection with the fan 3 and is used for driving the fan 3 to rotate, air flow can be guided to the evaporator 2 from an air inlet 4 formed in the air conditioner inner unit 1 through rotation of the fan 3, and the air flow flowing through the evaporator 2 is guided into a room from an air outlet 5 formed in the air conditioner inner unit 1 so as to refrigerate or heat the room. The filter screen 6 is arranged between the air inlet 4 and the evaporator 2, and then dust and particulate matters in the air flow entering the air conditioner indoor unit 1 from the air inlet 4 can be filtered through the filter screen 6. It should be noted that, in this embodiment, the inner motor is a bidirectional motor, that is, the inner motor can switch its rotation direction, for example, in this embodiment, the inner motor can rotate in a first rotation direction, and also can switch the rotation direction to a second rotation direction and operate in the second rotation direction. Wherein the first and second directions of rotation are opposite. Also, in the present embodiment, when the inner motor is operated in the first direction, the air flow passing through the fan 3 flows to the evaporator 2 through the filter screen 6 and is then directed to the indoor environment; when the inner motor is switched to the second rotation direction, the air flow passes through the filter screen 6 from the evaporator 2 and flows to the fan 3, and is guided out by the fan 3.
Further, in the present embodiment, the air intake 4 is provided at the top of the air conditioner indoor unit 1 to draw air from the top of the air conditioner indoor unit 1. The air outlet 5 is arranged at a position, close to the lower part, of the air conditioner indoor unit 1 and can exhaust air from the lower part of the air conditioner indoor unit 1. The filter screen 6 is arranged inside the air conditioner indoor unit 1 and below the air inlet 4, and the evaporator 2 is located below the filter screen 6, so that the air flow passing through the filter screen 6 can flow to the evaporator 2. When the inner motor rotates in the first direction, the inner motor drives the fan 3 to rotate forward, and at the moment, the airflow is sucked in from the air inlet 4, passes through the filter screen 6, the evaporator 2 and the fan 3 in sequence and is led out from the air outlet 5. When interior motor turned to the operation with the second, interior motor drove 3 reversals of fan, the air current was inhaled by air outlet 5 this moment, and pass through fan 3 in proper order, evaporimeter 2 and filter screen 6 and derive from air intake 4, the air current can condense out the water pearl and collect a large amount of water on filter screen 6 this moment, wash filter screen 6 simultaneously, just can reach the mesh of wasing filter screen 6, wherein, because the reason of water self gravity, the water of deriving by the air current also can drop on filter screen 6, can not be stained with on the panel. After the filter screen 6 is cleaned, the direction is switched to the first direction operation by controlling the inner motor, and at the moment, the airflow is sucked in through the air inlet 4, passes through the filter screen 6, the evaporator 2 and the fan 3 in sequence and is led out through the air outlet 5. It should be noted that, because the filter screen 6 is disposed above the evaporator 2, water on the filter screen 6 will be guided to the evaporator 2 along with the airflow and flow to the water outlet tank of the indoor unit 1 along the outside of the evaporator 2, and the water outlet tank can discharge the water guided out from the evaporator 2 through the water outlet, that is, the water guided out from the filter screen 6 will not affect other components in the indoor unit 1.
In the prior art, a large amount of dust and particulate matters are adhered to the filter screen 6, and the performance of the air conditioner indoor unit 1 and the comfort of a user are affected when the dust and the particulate matters reach a certain degree, so that the user experience is influenced.
The air conditioner provided in the embodiment can control the rotation direction of the inner motor in the air conditioner inner unit 1 through the controller, and finally achieves the purpose of cleaning the filter screen 6. The problem that the filter screen 6 can be cleaned without increasing the cost can be solved, and the problem that how to simplify the cleaning of the filter screen 6 can be solved.
The controller may be an integrated circuit chip having signal processing capabilities. The controller may be a general-purpose processor, and may include a Central Processing Unit (CPU), a single chip Microcomputer (MCU), a Micro Controller Unit (MCU), a Complex Programmable Logic Device (CPLD), a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an embedded ARM, and other chips, where the controller may implement or execute the methods, steps, and Logic blocks disclosed in the embodiments of the present invention.
In a possible implementation manner, the air conditioner may further include a memory for storing program instructions executable by the controller, for example, the air conditioner control device provided in the embodiment of the present application, where the air conditioner control device provided in the embodiment of the present application includes at least one of the program instructions stored in the memory in the form of software or firmware. The Memory may be a stand-alone external Memory including, but not limited to, Random Access Memory (RAM), Read Only Memory (ROM), Programmable Read-Only Memory (PROM), Erasable Read-Only Memory (EPROM), electrically Erasable Read-Only Memory (EEPROM). The memory may also be integrated with the controller, for example, the memory may be integrated with the controller on the same chip.
The embodiment of the application also provides a cleaning control method for the filter screen of the air conditioner, which is used for solving the problem that the filter screen 6 can be cleaned without increasing the cost and solving the problem of how to simplify the cleaning of the filter screen 6. Referring to fig. 2 and 3, the method for controlling the cleaning of the filter screen of the air conditioner includes:
and step S10, receiving a cleaning signal.
The cleaning signal may be signal data sent by a user using an operation device such as a remote controller. The controller can be configured to receive the purge signal. Of course, the cleaning signal may also be signal data automatically sent when a certain parameter value on the air conditioner reaches a preset threshold value, for example, an air volume detection device is arranged on the filter screen 6, the air volume detection device is used for detecting the air volume passing through the filter screen 6, and when the air volume is reduced to the preset threshold value, the air volume detection device sends a cleaning signal to the controller, and the like.
And step S20, controlling the air conditioner to enter a dehumidification mode according to the cleaning signal, and controlling an inner motor of the air conditioner inner unit 1 to rotate in a first direction.
It should be noted that, in normal operation of the air conditioner, a large amount of condensed water is generally discharged, and more water is discharged in the dehumidification mode. That is, when the air conditioner operates in the dehumidification mode, the humidity of the air around the evaporator 2 can be increased, thereby increasing the moisture in the air around the evaporator 2. Step S20 is to increase the humidity of the air around the evaporator 2 by controlling the air conditioner to enter the dehumidification mode according to the purge signal.
In this embodiment, referring to fig. 4, step S20 includes:
step S201, controlling the air conditioner to enter a dehumidification mode according to the cleaning signal and controlling the inner motor to operate at a third rotating speed.
It should be noted that, the third rotation speed is set to be a lower rotation speed, and the operation of the internal motor is controlled at the third rotation speed, so that the problem that a large amount of water vapor cannot be collected around the evaporator 2 due to the excessively high rotation speed of the fan 3 and the excessively fast flow rate of the formed air flow can be avoided. In other words, the operation of the inner motor is controlled at the third rotating speed, so that a large amount of water vapor can be collected around the evaporator 2, the subsequent cleaning of the filter screen 6 can be guaranteed to have enough water, and the cleaning degree of the filter screen 6 is improved.
Optionally, with continuing to refer to fig. 2 and fig. 3, before step S20, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and step S15, judging whether the outdoor annular temperature value is greater than or equal to a preset temperature value.
It should be noted that, in general, most of the air conditioners are applied to the case where the outdoor temperature is high, for example, the use frequency of the air conditioner in summer is much higher than that of the air conditioner in winter, and the air conditioner generally operates in a cooling mode in summer, at this time, air with high humidity is easily formed at the evaporator 2, and the moisture in the air is more easily condensed; in the heating mode of the air conditioner in winter, the humidity of the evaporator 2 of the indoor air conditioner is difficult to increase, and the water vapor in the air is difficult to condense, so that the cleaning of the filter screen 6 is easy to be hindered. In this embodiment, the air conditioner filter screen cleaning control method is generally applied to the case where the external environment temperature is high, and at this time, the condensation of water vapor can be facilitated. In this embodiment, the current environment of the air conditioner is determined by determining the relationship between the outdoor ambient temperature and the preset temperature value.
In addition, in this embodiment, the value of the preset temperature value may be 20 ℃, and it should be understood that in other embodiments, the value of the preset temperature value may range from 15 ℃ to 25 ℃, that is, the value of the preset temperature value may also be 15 ℃, 18 ℃, 21 ℃, or 25 ℃.
And step S17, if yes, executing the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal.
That is, if the determination result of step S15 is yes, the process proceeds to step S20. In addition, if the result of the determination of step S15 is negative, the air conditioner may issue a failure signal and stop the process at this time.
It should be understood that, in other embodiments, the settings of step S15 and step S17 may be eliminated.
Further, after step S20, the air conditioner filter screen cleaning control method may further include:
and step S21, controlling the air conditioner to operate the dehumidification mode for a first preset time.
Wherein, last first preset time through control air conditioner operation initial mode, can guarantee the sufficient time of operation initial mode, and then guarantee that the air around evaporimeter 2 has sufficient humidity, can assemble a large amount of steam, when the assurance motor switches to switching-over to the second in the control and turns to, can guarantee that the hydroenergy that contains a large amount of steam forms sufficient drop of water on filter screen 6, and then improves the washing reliability to filter screen 6.
It should be noted that, in this embodiment, the first preset time is 8min, where min is a minute unit. It should be understood that in other embodiments, the first preset time may range from 5min to 15min, that is, the first preset time may also range from 5min, 6min, 9min, 10min, or 12 min.
And step S30, controlling the inner motor to switch the steering to the second steering.
By switching the direction of the inner motor to the second direction of rotation, the air flow guided by the inner motor can be made to flow through the evaporator 2 to the filter screen 6. Because the humidity of the air around the evaporator 2 is higher, when the air current passes through the filter screen 6, the steam in the air is condensed on the filter screen 6, and after a large amount of water is condensed, the water flow can be formed to clean the filter screen 6, so that the aim of cleaning the filter screen 6 is fulfilled. Meanwhile, by the acting force of the air flow, the condensed water drops on the filter screen 6 can permeate to the other side of the filter screen 6, so that the two sides of the filter screen 6 can be cleaned simultaneously, and the cleaning reliability of the filter screen 6 is ensured.
Optionally, in this embodiment, referring to fig. 5, step S30 includes:
and S301, controlling the inner motor to switch the steering to the second steering and operate at a fourth rotating speed.
Wherein, in this embodiment, the fourth rotation speed is set to be a higher rotation speed, and the fourth rotation speed is greater than the third rotation speed, and by operating the inner motor at the third rotation speed in the first turning operation, the loss of moisture around the evaporator 2 can be avoided, so as to facilitate the accumulation of moisture around the evaporator 2. In addition, through turning to the operation at the second with the interior motor of fourth rotational speed operation, can lead steam to filter screen 6 fast on, and then form the drop of water on filter screen 6 fast, just can wash filter screen 6 fast, avoid the cleaning process consuming time too long to cause the reduction that the user used the experience.
It should be noted that, the third rotation speed and the fourth rotation speed may also refer to that the fan 3 operates in two of the preset gears, for example, the third rotation speed corresponds to a gear with a lower rotation speed, and the fourth rotation speed corresponds to a gear with a higher rotation speed.
Further, with continuing reference to fig. 2 and fig. 3, in the present embodiment, after step S30, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and step S31, controlling the inner motor to operate in the second steering direction for a second preset time.
Through the motor in the controller control with the second turn to the operation second preset time, can guarantee in the switching after the motor turns to, can have sufficient time and make the air current can form sufficient water on filter screen 6, and then can guarantee that a large amount of water provide reliable cleaning to filter screen 6.
It should be noted that, in this embodiment, the value of the second preset time is 2 min. It should be understood that, in other embodiments, the value of the second preset time may range from 1min to 4min, that is, the value of the second preset time may also range from 1min, 3min, or 4 min.
Optionally, after step S31, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and step S41, controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to the first steering.
After the motor in the controller operates in the second direction for the second preset time, the humidity of the air around the evaporator 2 is reduced, the capacity of the air flow for forming water drops on the filter screen 6 is reduced, the capacity of cleaning the filter screen 6 is further reduced, the direction of rotation of the inner motor can be switched back to the first direction of rotation, and the air with higher humidity can be formed around the evaporator 2 again.
Further, referring to fig. 6, in the present embodiment, the step S41 includes:
and S411, controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to a first steering direction and operate at a first rotating speed.
Wherein, first rotational speed is set up to lower rotational speed to motor operation in the control of first rotational speed can avoid the rotational speed too high to form the fast air current of velocity of flow and lead to the steam around the evaporimeter 2 to run off in a large number, thereby can't collect the problem of a large amount of steam. In other words, by controlling the operation of the internal motor at the first rotation speed, it can be ensured that a large amount of water vapor is collected around the evaporator 2, so as to reserve water vapor for the subsequent cleaning of the filter screen 6, thereby ensuring that the filter screen 6 is effectively cleaned. Alternatively, the first rotational speed may be equal to the third rotational speed.
Referring to fig. 2 and 3, in step S42, the air conditioner is controlled to operate in the dehumidification mode for a third preset time.
By operating for the third preset time, it can be ensured that sufficient moisture is formed around the evaporator 2, and thus, the air around the evaporator 2 has sufficient humidity.
In this embodiment, the value of the third preset time is 6min, and it should be understood that in other embodiments, the value of the third preset time may range from 3min to 8min, that is, the value of the third preset time may also be 3min, 4min, 5min, 7min, or 8min, and the like.
And step S43, controlling the inner motor to switch the steering to the second steering for a fourth preset time.
Wherein, after step S42, the air humidity around the evaporator 2 is raised and when the air humidity of the evaporator 2 is raised to a proper degree, the control motor switches the turning direction to the second turning direction to blow the gathered moisture onto the filter screen 6, and the filter screen 6 is cleaned again. Through the mode, the filter screen 6 can be cleaned for multiple times, and the cleaning degree of the filter screen 6 is improved.
Further, in the present embodiment, referring to fig. 7, step S43 includes:
and step S431, controlling the inner motor to switch the steering to the second steering and operate for a fourth preset time at the second rotating speed.
Wherein the second rotational speed is set to a higher rotational speed and the second rotational speed is greater than the first rotational speed. By operating the inner motor in a first direction of rotation at a first rotational speed, loss of moisture around the evaporator 2 can be avoided to facilitate pooling of moisture around the evaporator 2. In addition, through turning to the operation at the second with the interior motor of second rotational speed operation, can lead steam to filter screen 6 fast on, and then form the drop of water on filter screen 6 fast, just can wash filter screen 6 fast, avoid the cleaning process consuming time too long to cause the reduction that the user used the experience. Alternatively, the second rotational speed may be equal to the fourth rotational speed.
It should be noted that, the first rotation speed and the second rotation speed may also refer to two gears of the fan 3 among a plurality of preset gears of the fan, for example, the first rotation speed corresponds to a gear with a lower rotation speed, and the second rotation speed corresponds to a gear with a higher rotation speed.
And when the first rotating speed is less than the second rotating speed and the third rotating speed is less than the fourth rotating speed, the relationship between the first rotating speed and the third rotating speed and the relationship between the second rotating speed and the fourth rotating speed are not limited. The first rotational speed and the third rotational speed may correspond to the same gear, and similarly, the second rotational speed and the fourth rotational speed may correspond to the same gear. For example, the first and third rotational speeds correspond to a first gear, and the second and fourth rotational speeds correspond to a second gear, wherein the rotational speed corresponding to the second gear is greater than the rotational speed corresponding to the first gear. Of course, the first rotation speed and the third rotation speed may correspond to different gears, and the second rotation speed and the fourth rotation speed may correspond to different gears. For example, the first rotation speed corresponds to a first gear, the second rotation speed corresponds to a second gear, the third rotation speed corresponds to a third gear, and the fourth rotation speed corresponds to a fourth gear, wherein the rotation speed corresponding to the second gear is greater than the rotation speed corresponding to the first gear, and the rotation speed corresponding to the fourth gear is greater than the rotation speed corresponding to the third gear.
It should be understood that, in other embodiments, after step S43, the steps S41 to S43 may be repeated, so that the filter screen 6 can be cleaned more times, and the cleaning reliability of the filter screen 6 is improved.
Further, referring to fig. 2 and fig. 3, in the present embodiment, after step S43, the method for controlling cleaning of the filter screen of the air conditioner further includes:
and step S51, controlling the inner motor to switch the steering to the first steering for a fifth preset time.
Wherein, after wasing many times, switch over interior motor to first turn to operation fifth preset time, and then can all clear away the drop of water on the filter screen 6 to the realization avoids influencing the filtering capability of filter screen 6. So that the air conditioner is ready to operate other operation modes.
And step S52, sending out a cleaning end signal.
After the cleaning is finished, the controller sends out a cleaning finishing signal, the controller can control the air conditioner to stand by and the like according to the cleaning finishing signal, and the cleaning finishing signal can be sent to a user side, such as a remote controller or an intelligent terminal of a user, so that the user can know that the cleaning is finished.
To sum up, the air conditioner filter screen cleaning control method that provides in the embodiment of the application can be through switching the air conditioner to the dehumidification mode after receiving the cleaning signal, and the interior motor of control air conditioner 1 turns to the rotation with first, can form a large amount of steam in 2 departments of the evaporimeter of air conditioner 1 this moment, and then make the humidity around evaporimeter 2 promote by a wide margin, then the motor switches turns to the second in the control and turns to, and then can lead to filter screen 6 with the air current that contains a large amount of steam, the great air current of humidity is when passing through filter screen 6, can form a large amount of water drops on filter screen 6, and the effect through the air current, can make the water drops permeate the opposite side of filter screen 6, just can form rivers after the water drops condenses in a large number and take away filter screen 6 with the dust on the filter screen 6, and then reach the purpose of washing filter screen 6.
In order to execute possible steps of the air conditioner filter screen cleaning control method provided by each of the above embodiments, please refer to fig. 8, and fig. 8 shows a functional module schematic diagram of an air conditioner filter screen cleaning control device provided by an embodiment of the present application. The air conditioner filter screen cleaning control device is applied to an air conditioner, and the air conditioner filter screen cleaning control device provided by the embodiment of the application is used for executing the air conditioner filter screen cleaning control method. It should be noted that the basic principle and the generated technical effects of the cleaning control device for the filter screen of the air conditioner provided by the embodiment are substantially the same as those of the above embodiment, and for the sake of brief description, no part of the embodiment is mentioned, and reference may be made to the corresponding contents in the above embodiment.
The air conditioner filter screen cleaning control device comprises a receiving module 10, a first control module 20 and a second control module 30.
The receiving module 10 is used for receiving a cleaning signal.
Optionally, the receiving module 10 may be specifically configured to execute step S10 in each of the above-mentioned figures, so as to achieve the corresponding technical effect.
The first control module 20 is configured to control the air conditioner to operate in the dehumidification mode according to the cleaning signal, and is configured to control an internal motor of the air conditioner internal unit 1 to rotate in a first direction.
Optionally, the first control module 20 may be specifically configured to execute step S20 in each of the above-mentioned figures, so as to achieve the corresponding technical effect.
The second control module 30 is used for controlling the inner fan 3 of the air conditioner inner unit 1 to switch to the second steering direction.
Optionally, the second control module 30 may be specifically configured to execute step S30 in each of the above-mentioned figures, so as to achieve the corresponding technical effect.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A cleaning control method of an air conditioner filter screen is used for cleaning the filter screen of an air conditioner indoor unit and is characterized by comprising the following steps:
receiving a cleaning signal;
controlling the air conditioner to enter a dehumidification mode according to the cleaning signal, and controlling an internal motor of an internal unit of the air conditioner to rotate in a first direction so as to improve the humidity of the air around the evaporator;
and controlling the inner motor to switch to a second turning direction so that the air flow flows to the filter screen through an evaporator of the air conditioner inner unit to condense water vapor in the air flow on the filter screen, wherein the first turning direction is opposite to the second turning direction.
2. The method for controlling the cleaning of the filter screen of the air conditioner according to claim 1, wherein after the step of controlling the air conditioner to enter the dehumidification mode and controlling the internal motor of the indoor unit of the air conditioner to rotate in the first direction according to the cleaning signal, the method for controlling the cleaning of the filter screen of the air conditioner further comprises:
and controlling the air conditioner to operate in a dehumidification mode for a first preset time.
3. The air conditioner filter screen cleaning control method according to claim 1, wherein after the step of controlling the internal motor to switch the steering to the second steering, the air conditioner filter screen cleaning control method further comprises:
and controlling the inner motor to operate in a second steering direction for a second preset time.
4. The filter screen washing control method for an air conditioner according to claim 3, wherein after the step of controlling the inner motor to operate in the second rotation direction for the second preset time, the filter screen washing control method for an air conditioner further comprises:
controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to the first steering mode;
controlling the air conditioner to operate a dehumidification mode for a third preset time;
and controlling the inner motor to switch to the second steering operation for a fourth preset time.
5. The air conditioner filter screen cleaning control method according to claim 4, wherein the step of controlling the air conditioner to operate in a dehumidification mode and controlling the inner motor to switch to the first steering direction comprises:
controlling the air conditioner to operate in a dehumidification mode, and controlling the inner motor to switch to the first steering and operate at a first rotating speed;
the step of controlling the inner motor to switch the steering to the second steering for a fourth preset time comprises the following steps:
and controlling the inner motor to switch to the second steering and operate at a second rotating speed for a fourth preset time, wherein the second rotating speed is greater than the first rotating speed.
6. The air conditioner filter screen washing control method according to claim 4, wherein after the step of controlling the internal motor to switch the steering to the second steering for a fourth preset time, the air conditioner filter screen washing control method further comprises:
controlling the inner motor to switch to the first steering operation for a fifth preset time;
and sending a cleaning end signal.
7. The method for controlling the cleaning of the filter screen of the air conditioner according to claim 1, wherein the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal comprises:
controlling the air conditioner to enter a dehumidification mode according to the cleaning signal and controlling the inner motor to operate at a third rotating speed;
the step of controlling the inner motor of the air conditioner indoor unit to switch to the second steering mode comprises the following steps:
and controlling the inner motor to switch to the second rotation direction and operate at a fourth rotation speed, wherein the fourth rotation speed is greater than the third rotation speed.
8. The cleaning control method for air conditioning filter screen according to claim 1, wherein before the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal, the cleaning control method for air conditioning filter screen further comprises:
judging whether the outdoor ring temperature value is greater than or equal to a preset temperature value or not;
and if so, executing the step of controlling the air conditioner to enter the dehumidification mode according to the cleaning signal.
9. The utility model provides an air conditioner filter screen washs controlling means which characterized in that includes:
the receiving module is used for receiving the cleaning signal;
the first control module is used for controlling the air conditioner to operate in a dehumidification mode according to the cleaning signal and controlling an inner motor of an air conditioner indoor unit to rotate in a first rotating direction so as to improve the humidity of air around the evaporator;
the second control module is used for controlling the inner fan of the air conditioner indoor unit to switch to the second steering mode so that the air flow flows to the filter screen through the evaporator of the air conditioner indoor unit to condense the water vapor in the air flow on the filter screen, wherein the first steering mode is opposite to the second steering mode.
10. An air conditioner, characterized in that the air conditioner comprises a controller, and the controller is used for executing the cleaning control method of the filter screen of the air conditioner according to any one of claims 1-8.
CN202010231846.1A 2020-03-27 2020-03-27 Air conditioner filter screen cleaning control method and device and air conditioner Active CN111380149B (en)

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