WO2019020024A1 - 具有自清洁功能的空调器及其控制方法 - Google Patents
具有自清洁功能的空调器及其控制方法 Download PDFInfo
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- WO2019020024A1 WO2019020024A1 PCT/CN2018/096854 CN2018096854W WO2019020024A1 WO 2019020024 A1 WO2019020024 A1 WO 2019020024A1 CN 2018096854 W CN2018096854 W CN 2018096854W WO 2019020024 A1 WO2019020024 A1 WO 2019020024A1
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- indoor unit
- air conditioner
- heat exchanger
- self
- indoor
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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
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- the present invention relates to a household air conditioner, and more particularly to an air conditioner having a self-cleaning function and a control method therefor.
- the conventional air-conditioning scheme is generally cleaned regularly, which brings serious inconvenience to the user. Therefore, in order to solve the above problems caused by the adhesion of dust on the heat exchanger of the air conditioner, the prior art has used the heat exchanger as the evaporation. When the device is used, the condensed water is generated, and the condensed water is taken away to remove the dirt on the surface of the heat exchanger, thereby realizing self-cleaning of the heat exchanger of the indoor unit of the air conditioner.
- An object of the present invention is to provide an air conditioner having a self-cleaning function and a control method thereof, which solve at least some of the above technical problems.
- a further object of the present invention is to improve the self-cleaning effect of an indoor unit of an air conditioner.
- a control method of an air conditioner having a self-cleaning function wherein an indoor unit of an air conditioner is provided with an indoor unit fan, an indoor unit heat exchanger, a humidifying unit, a humidity sensor, and the humidifying unit has a setting a spray port in the indoor unit and located upstream of the inlet air of the indoor unit heat exchanger, and the control method comprises: receiving a trigger signal for the air conditioner to open the self-cleaning function; controlling the indoor unit heat exchanger to operate in the evaporator mode and turning off the indoor unit
- the fan determines whether the humidity of the indoor working environment detected by the humidity sensor is lower than a preset humidity threshold, and if so, starts the humidifying component to spray the water mist by using the spray port to improve the degree of condensation at the indoor heat exchanger; After determining that the indoor heat exchanger reaches the set defrosting condition, the indoor heat exchanger is controlled to perform defrosting, and the water formed by the defrosting is used to take away the attached pollutants to realize self
- the method further includes: acquiring an operating state of the air conditioner, and performing self-cleaning initialization according to the operating state.
- the step of performing self-cleaning initialization includes: maintaining the compressor of the air conditioner to keep running, maintaining the state of the indoor heat exchanger running in the evaporator, and ensuring heat exchange of the indoor unit.
- the surface temperature of the device is lower than the frosting temperature.
- the step of controlling the indoor unit heat exchanger to perform defrosting comprises: turning on the indoor unit fan and turning off the compressor; after the first set time, closing the humidifying component to During the first set time, the indoor unit heat exchanger is defrost by the airflow generated by the indoor unit fan; the second set time after the humidification unit is turned off, the compressor is re-compressed, and the cooling state of the air conditioner indoor unit is restored.
- the step of performing self-cleaning initialization comprises: turning off the compressor of the air conditioner; after the third set time, controlling the four-way valve of the air conditioner to be reversed, and The fourth set time after the four-way valve is reversed, the compressor is restarted, so that the indoor heat exchanger operates in the state of the evaporator.
- the step of controlling the indoor unit heat exchanger to perform defrosting comprises: turning off the humidifying component; after the fifth set time, turning off the compressor; after turning off the compressor After the sixth set time, the four-way valve of the air conditioner is controlled to be reversed again, and after the seventh set time is delayed, the compressor and the indoor fan are turned on again, and the heating mode of the indoor unit of the air conditioner is restored.
- the heat exchanger is defrosted.
- determining that the indoor heat exchanger reaches the set defrosting condition comprises: the frosting time of the indoor heat exchanger reaches a set frosting time threshold; or the opening time of the humidifying component reaches the set humidifying time.
- an air conditioner having a self-cleaning function comprising an air conditioner indoor unit, the air conditioner indoor unit comprising: an indoor unit casing, including for supporting an indoor unit fan and an indoor unit for changing a skeleton of the heat exchanger, and a casing having an air inlet and an air outlet which are disposed on the skeleton; and a humidifying assembly having a spray port disposed in the casing of the indoor unit and located upstream of the inlet of the heat exchanger of the indoor unit,
- the utility model outputs a water mist to the indoor heat exchanger;
- the humidity sensor is configured to measure the humidity of the working environment of the indoor unit;
- the self-cleaning controller is configured to receive a trigger signal for the self-cleaning function of the air conditioner to be turned on; and the heat exchanger of the indoor unit is controlled to operate In the evaporator mode, the indoor fan is turned off; if the humidity of the indoor working environment detected by the humidity sensor is lower than the preset humidity threshold, if the humidifying
- the degree of condensation at the device after determining that the indoor heat exchanger has reached the set defrosting condition, the indoor heat exchanger is controlled to be defrosted and formed by defrosting
- the water takes away the attached pollutants to achieve self-cleaning of the indoor heat exchanger.
- the self-cleaning controller is further configured to: after receiving the trigger signal of the self-cleaning function of the air conditioner, further comprising acquiring an operating state of the air conditioner, and performing self-cleaning initialization according to the operating state; and the air conditioner is in a cooling state.
- the step of performing self-cleaning initialization includes: maintaining the compressor of the air conditioner to maintain operation, maintaining the state in which the indoor heat exchanger operates in the evaporator, and ensuring that the surface temperature of the indoor heat exchanger is lower than the frosting temperature;
- the step of controlling the indoor unit heat exchanger to perform defrosting includes: turning on the indoor unit fan and turning off the compressor; after the first set time, turning off the humidifying assembly to be in the first setting
- the indoor unit heat exchanger is defrosted by the airflow generated by the indoor unit fan during a certain period of time; the compressor is re-compressed to restore the cooling state of the air conditioner indoor unit after the second set time is closed after the humidification unit is turned off;
- the step of performing self-cleaning initialization includes: turning off the compressor of the air conditioner; after the third set time, controlling the four-way valve of the air conditioner to be reversed, and changing in the four-way valve a fourth set time backward, restarting the compressor to operate the indoor heat exchanger in the state of the evaporator; and controlling the indoor unit heat exchanger to perform defrosting in the case where the air conditioner is in a heating state
- the utility model comprises: closing the humidifying component; after the fifth set time, the compressor is turned off; after the sixth set time after the compressor is turned off, the four-way valve of the air conditioner is controlled to be reversed again, and the seventh setting is delayed. After the time, the compressor and the indoor fan are turned on again, the heating mode of the indoor unit of the air conditioner is restored, and the indoor heat exchanger is defrost.
- the humidifying component further comprises: a water tank disposed outside the casing; an atomizing device for atomizing water in the water tank, and being fixed on the skeleton and communicating to the spray port through the mist supply hose; the water pump , for supplying water of the water tank to the atomization device; and the spray port is disposed laterally on the inner side of the air inlet, and the length thereof corresponds to the length of the air inlet, and a plurality of spray holes are evenly arranged along the length direction thereof to pass through The spray holes spray water mist; the water pipes connecting the water tank and the atomizing device penetrate into the casing from the side of the casing and extend against the skeleton to the atomizing device.
- the air conditioner indoor unit with self-cleaning function of the invention is provided with a humidifying component inside the casing, and the humidifying component is used to improve the degree of condensation at the heat exchanger of the indoor unit when the self-cleaning function is performed in the indoor unit of the air conditioner, thereby avoiding Existing self-cleaning air conditioners do not produce sufficient condensed water in a dry environment to affect the self-cleaning effect.
- the spray port of the humidifying unit is disposed laterally on the inner side of the air inlet, and a plurality of spray holes are evenly arranged along the longitudinal direction thereof to spray water through the plurality of spray holes.
- the fog can ensure that the indoor heat exchanger can evenly frost and avoid the occurrence of clean corners.
- the air conditioner indoor unit with self-cleaning function of the invention has simple control and compact structure, and reduces the influence of the original function of the air conditioner.
- the control method of the air conditioner with self-cleaning function of the invention can control the refrigeration system and the humidifying component according to the operating state of the air conditioner, and the corresponding timing is specified to ensure the reliability of the air conditioner.
- FIG. 1 is a schematic perspective structural view of an indoor unit in an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 2 is a schematic perspective structural view of an indoor unit in an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 3 is a front elevational view of an indoor unit of an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 4 is a schematic functional block diagram of an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 5a is a schematic diagram of a control method of an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 5b is a schematic diagram of a control method of an air conditioner having a self-cleaning function according to another embodiment of the present invention.
- FIG. 6 is a timing chart of performing a self-cleaning function in a cooling state of an air conditioner having a self-cleaning function according to an embodiment of the present invention
- FIG. 7 is a timing chart of performing a self-cleaning function in a heating state of an air conditioner having a self-cleaning function according to an embodiment of the present invention.
- 1 is an angular schematic structural view of an indoor unit 100 in an air conditioner 10 having a self-cleaning function according to an embodiment of the present invention.
- 2 is an angular schematic structural view of an indoor unit 100 in an air conditioner 10 having a self-cleaning function according to an embodiment of the present invention.
- 3 is a front elevational view of an indoor unit 100 in an air conditioner 10 having a self-cleaning function, in accordance with one embodiment of the present invention.
- 4 is a schematic functional block diagram of an air conditioner 10 having a self-cleaning function, in accordance with one embodiment of the present invention.
- the air conditioner 10 having a self-cleaning function may include an air conditioner indoor unit 100 and an air conditioner outdoor unit 200.
- the air conditioner indoor unit 100 may generally include a casing 110, a humidifying component 150, a humidity sensor 160, and a self-cleaning sensor 300.
- the casing 110 includes a skeleton 111 for supporting the indoor unit fan 130 and the indoor unit heat exchanger 140, and a casing 112 having an air inlet 113 and an air outlet 114 which are disposed on the skeleton 111.
- the front side of the casing 112 constitutes the front panel of the indoor unit 100, and has an air inlet 113 at the top thereof and an air outlet 114 at the lower end of the front side thereof. Since the structure of the casing 110 of the air conditioner indoor unit 100 is well known to those skilled in the art, no further details are provided herein.
- the indoor unit heat exchanger 140 exchanges heat with the air flowing therethrough to change the temperature of the air flowing therethrough.
- the indoor unit fan 130 causes the ambient air entering from the air inlet 113 to flow to the indoor unit heat exchanger 140, and causes the heat exchange air that has been exchanged by the indoor unit heat exchanger 140 to flow toward the air outlet 114, thereby being discharged to the indoor unit 100. Work environment.
- the indoor unit heat exchanger 140 is used as a part of the refrigeration system, and the refrigeration system can be realized by a compression refrigeration cycle, which utilizes a refrigerant in a compression phase change cycle of the compressor 250, the condenser, the evaporator, and the throttling device to realize heat. transfer.
- the refrigeration system can also be provided with a four-way valve to change the flow direction of the refrigerant, so that the indoor unit heat exchanger 140 alternately functions as an evaporator or a condenser to realize a cooling or heating function. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, the working principle and configuration thereof will not be described herein.
- the humidifying assembly 150 includes a water tank 151, an atomizing device 152, and a spray port 153.
- the water tank 151 is used to store water used for atomization, and in some embodiments, may be disposed outside the indoor unit 100 to facilitate water addition.
- the atomizing device 152 is used to atomize the water in the water tank 151, which can be atomized using an ultrasonic transducer sheet.
- the atomizing device 152 may be fixed to the bobbin 111 and communicated to the spray port 153 through the mist supply hose 154.
- the humidifying assembly 150 can also be provided with a water pump 1501 for supplying water of the water tank 151 to the atomizing device 152.
- the water pipe 155 connecting the water tank 151 and the atomizing device 152 can penetrate the casing 110 from the side of the casing 112 and abut
- the skeleton 111 extends to the atomizing device 152, thereby avoiding occupying excessive space in the indoor unit 100.
- the spray port 153 is for outputting the water mist formed by the atomizing device 152, and the spray port 153 may be disposed in the casing 110 and located upstream of the intake air of the indoor unit heat exchanger 140.
- the spray port 153 is disposed laterally inside the air inlet 113, and has a length corresponding to the length of the air inlet 113, and a plurality of spray holes 1530 are evenly arranged along the length thereof to pass through the plurality of spray holes. 1530 sprayed water mist. With this configuration, it is possible to uniformly discharge the water mist from the spray port 153 into the indoor unit 100, thereby facilitating uniform frost formation on the indoor unit heat exchanger 140.
- the self-cleaning controller 300 is configured to receive a trigger signal for the air conditioner 10 to turn on the self-cleaning function; control the indoor unit heat exchanger 140 to operate in the evaporator mode and turn off the indoor unit fan 130; and determine the humidity of the indoor working environment detected by the humidity sensor 160 If it is lower than the preset humidity threshold, if so, the humidifying unit 150 is activated to spray the water mist by the spray port 153 to increase the degree of condensation at the indoor heat exchanger 140; and the indoor heat exchanger 140 is determined to be set. After the defrosting condition, the indoor unit heat exchanger 140 is controlled to perform defrosting, and the water formed by the defrosting is used to carry away the attached contaminants, thereby achieving self-cleaning of the indoor unit heat exchanger 140.
- the self-cleaning controller 300 may receive the self-cleaning control command when the accumulated running time exceeds the set time threshold (for example, 48 or 60 hours after the accumulated operation, the specific value may be set according to the working environment of the air conditioner indoor unit 100) For example, when the user receives a control command to operate the self-cleaning button of the remote controller, the self-cleaning function of the air conditioner 10 is turned on.
- the set time threshold for example, 48 or 60 hours after the accumulated operation, the specific value may be set according to the working environment of the air conditioner indoor unit 100
- the humidifying unit 150 activates the atomizing device 152 to spray the water mist through the spray port 153 to flow through the indoor unit heat exchanger 140, thereby improving the condensation of the indoor unit heat exchanger 140.
- the degree of frost In the process of researching the self-cleaning function of the air conditioner, the inventors found that the current self-cleaning effect under the air conditioner is not good, especially in the relatively dry environment, the main reason for the self-cleaning effect is that the condensed water cannot meet the flushing indoor unit.
- the heat exchanger 140 is required.
- the humidifying unit 150 provides a better frosting condition for the indoor unit heat exchanger 140, and by improving the structure of the spray port 153, the indoor unit heat exchanger 140 can be uniformly knotted. The frost can thus completely clean the indoor heat exchanger 140 to avoid cleaning dead angles.
- the indoor unit heat exchanger 140 operates in the condenser mode after the completion of the frosting, so that the adhered contaminants are taken away by the water formed by the defrosting, and the self-cleaning process of the indoor unit 100 is completed.
- the humidity sensor 160 can measure the humidity of the working environment of the indoor unit 100 so as to determine whether the humidifying unit 150 needs to be turned on according to the humidity of the working environment of the indoor unit 100.
- the humidifying assembly 150 may allow the atomizing device 152 to be activated only when the humidity of the working environment is below a preset humidity threshold (the specific value may be set according to the frosting conditions).
- the atomizing device 152 can also adjust the atomization intensity according to the humidity of the working environment after starting, so that the atomization intensity is correspondingly reduced as the humidity of the working environment is increased, thereby ensuring uniform frosting without excessively increasing the environmental humidity.
- the indoor unit heat exchanger 140 continuously operates in the evaporator mode when the air conditioner 10 is turned on the self-cleaning function, thereby ensuring that the surface temperature thereof is lower than the frosting temperature; and after the self-cleaning function is turned on in the air conditioner 10 for a set time , make sure to complete the cream, and then start defrosting.
- the indoor unit fan 130 is operated at a low rotation speed or stopped when the air conditioner 10 is turned on the self-cleaning function (to ensure that the water mist of the humidifying unit 150 is used for frosting); the operation is stopped during the defrosting of the indoor unit heat exchanger 140 to improve
- the frost speed is operated at a high rotation speed after the indoor unit heat exchanger 140 is defrosted to dry the indoor unit heat exchanger 140.
- the self-cleaning controller 300 can control the humidifying unit 150 and the refrigeration system (including the compressor 250, the four-way valve 240, the indoor unit fan 130, and the outdoor unit fan 230) in the self-cleaning process.
- the above components are started and stopped according to the set timing, and the self-cleaning process is completed.
- the self-cleaning controller 300 may also acquire the operating state (cooling or heating) of the air conditioner 10, and perform self-cleaning initialization according to the operating state of the air conditioner.
- the step of performing the self-cleaning initialization includes: keeping the compressor 250 of the air conditioner 10 in operation, maintaining the state in which the indoor unit heat exchanger 140 is operating on the evaporator, and ensuring the indoor unit exchange.
- the surface temperature of the heater 140 is lower than the frosting temperature.
- the step of performing the self-cleaning initialization includes: turning off the compressor 250 of the air conditioner 10; after the third set time, controlling the four-way valve 240 of the air conditioner 10 to be reversed, and At a fourth set time after the four-way valve 240 is reversed, the compressor 250 is re-opened so that the indoor unit heat exchanger 140 operates in the state of the evaporator.
- the step of controlling the indoor unit heat exchanger 140 to perform defrosting by the self-cleaning controller 300 includes: turning on the indoor unit fan 130, and turning off the compressor 250; after the first set time, The humidifying assembly 150 is turned off to defrost the indoor unit heat exchanger 140 by using the airflow generated by the indoor unit fan 130 during the first set time; the second set time after the humidifying unit 150 is turned off, the compressor 250 is re-compressed The cooling state of the air conditioner indoor unit 100 is restored.
- the step of controlling the indoor unit heat exchanger 140 to perform defrosting by the self-cleaning controller 300 includes: turning off the humidifying assembly 150; after the fifth set time, turning off the compressor 250; After the sixth set time has elapsed after the compressor 250 is turned off, the four-way valve 240 of the air conditioner 10 is controlled to be reversed again, and after the seventh set time is delayed, the compressor and the indoor fan are turned on again to restore the air conditioner indoors.
- the heating mode of the machine 10 defrosts the indoor heat exchanger.
- a humidifying unit 150 is disposed inside the casing 110, and the humidifying unit 150 is used to increase the degree of frosting at the indoor unit heat exchanger 140 when the self-cleaning function is performed in the air conditioner 10.
- the problem that the existing self-cleaning air conditioner can not generate sufficient condensed water in a dry environment to affect the self-cleaning effect is avoided.
- the indoor heat exchanger 140 can be uniformly frosted and avoided. Clean the dead ends.
- the present embodiment also provides a control method of an air conditioner having a self-cleaning function, which can be performed by the self-cleaning control 300 of any of the above-described air conditioners 10 having a self-cleaning function.
- Figure 5a is a schematic illustration of a method of controlling an air conditioner 10 having a self-cleaning function, in accordance with one embodiment of the present invention.
- the control method of the air conditioner 10 having a self-cleaning function includes:
- Step S502 receiving a trigger signal for turning on the self-cleaning function
- Step S504 controlling the indoor unit heat exchanger 140 to operate in the evaporator mode and shutting down the indoor unit fan 130 or controlling the indoor unit fan 130 to operate at a low speed;
- Step S506 determining whether the humidity of the working environment of the indoor unit 100 detected by the humidity sensor 160 is lower than a preset humidity threshold
- Step S508 when the humidity of the working environment is lower than the preset humidity threshold, the humidifying component 150 is activated to spray the water mist by using the spray port 153 to improve the degree of condensation at the indoor heat exchanger 140;
- Step S510 after determining that the indoor unit heat exchanger 140 reaches the set defrosting condition, the indoor unit heat exchanger 140 is controlled to perform defrosting, and the water formed by the defrosting is used to take away the attached pollutants;
- the defrosting condition set as described above may be that the frosting time of the indoor unit heat exchanger 140 exceeds the set frosting time threshold.
- the indoor unit fan 130 can be operated at a high rotational speed to dry the indoor unit heat exchanger 140; and then the working state before the indoor unit 100 is cleaned is restored.
- the air conditioner 10 having the self-cleaning function of the present embodiment can perform the above self-cleaning process in both the cooling state and the heating state.
- the operating state of the air conditioner 10 may be first acquired, and self-cleaning initialization is performed according to the operating state (see FIG. 5b, step S503).
- the step of performing the self-cleaning initialization includes: keeping the compressor 250 of the air conditioner 10 in operation, maintaining the state in which the indoor unit heat exchanger 140 is operating on the evaporator, and ensuring the indoor unit exchange.
- the surface temperature of the heater 140 is lower than the frosting temperature.
- the step of performing the self-cleaning initialization includes: turning off the compressor 250 of the air conditioner 10; after the third set time, controlling the four-way valve 240 of the air conditioner 10 to be reversed, and At a fourth set time after the four-way valve 240 is reversed, the compressor 250 is re-opened so that the indoor unit heat exchanger 140 operates in the state of the evaporator.
- the step of controlling the indoor unit heat exchanger 140 to perform defrosting includes: turning on the indoor unit fan 130, and turning off the compressor 250; after the first set time, turning off the humidifying unit 150, The indoor unit heat exchanger 140 is defrost by the airflow generated by the indoor unit fan 130 during the first set time; the second set time after the humidifying unit 150 is turned off, the compressor 250 is re-compressed, and the air conditioner chamber is restored.
- the cooling state of the machine 100 includes: turning on the indoor unit fan 130, and turning off the compressor 250; after the first set time, turning off the humidifying unit 150, The indoor unit heat exchanger 140 is defrost by the airflow generated by the indoor unit fan 130 during the first set time; the second set time after the humidifying unit 150 is turned off, the compressor 250 is re-compressed, and the air conditioner chamber is restored.
- the cooling state of the machine 100 includes: turning on the indoor unit fan 130, and turning off the compressor 250; after the first set time, turning off the humidifying unit 150, The indoor unit heat exchange
- the step of controlling the indoor unit heat exchanger 140 to perform defrosting includes: turning off the humidifying assembly 150; after the fifth set time, turning off the compressor 250; after turning off the compressor 250
- the four-way valve 240 of the air conditioner 10 is controlled to be reversed again, and after the seventh set time is delayed, the compressor and the indoor unit fan are turned on again, and the heating of the indoor unit 10 of the air conditioner is resumed. Mode, defrosting the indoor heat exchanger.
- Fig. 6 is a timing chart of performing a self-cleaning function in a cooling state of the air conditioner 10 having a self-cleaning function according to an embodiment of the present invention.
- T1, T2, and T3 are the start-stop timing curves of the indoor unit fan 130, the compressor 250, and the humidifying unit 150, respectively.
- the indoor unit fan 130 After receiving the self-cleaning signal at time t0, the indoor unit fan 130 is turned off, and the humidifying unit 150 is satisfied.
- the humidity condition is started, the compressor 250 is kept running; after reaching the time t1, the compressor 250 is stopped, the indoor unit fan 130 is turned on, the defrosting starts, and the defrosted water flushes the dust on the indoor unit heat exchanger 140.
- the humidifying assembly 150 can be kept open for a period of time, increasing the humidity to speed up dust removal.
- the humidifying unit 150 is turned off to stop humidification, and the indoor unit fan 130 causes the indoor unit heat exchanger 140 to dry by blowing; after reaching the time t3, the compressor 250 is restarted to resume the cooling state.
- the time difference between the above moments can be pre-tested according to the specifications of the air conditioner. For example, the time from t0 to t1 may take a value between 0 and 20 minutes, the time from t1 to t2 is the first set time; the time from t2 to t3 (the second set time above) may be from 10 to 60 seconds. Value between.
- the above timings may also be specifically adjusted according to the situation.
- the humidifying assembly 150 may be simultaneously turned off after the compressor 250 is stopped.
- the indoor unit fan 130 can be closed instead of the low speed breeze operation of the indoor unit fan 130.
- Fig. 7 is a timing chart of performing a self-cleaning function in a heating state of the air conditioner 10 having a self-cleaning function according to an embodiment of the present invention.
- T1', T2', T3', T4', T5' are the start-stop timing curves of the indoor unit fan 130, the outdoor unit fan 230, the four-way valve 240, the compressor 250, and the humidifying unit 150, respectively, at t0. 'After receiving the self-cleaning signal, the indoor unit fan 130 and the compressor 250 are turned off; at time t1', the outdoor unit fan 230 is stopped, and the four-way valve 240 is reversed; at time t2', the compressor 250 is started, and the indoor unit is switched.
- the heater 140 starts to operate in an evaporation state; at time t3', the temperature of the indoor unit heat exchanger 140 has decreased, the humidifying assembly 150 is activated to cause the indoor unit heat exchanger 140 to condense; at time t4', the humidifying assembly 150 is closed; At time t5', the outdoor unit fan 230 is started, and the compressor 250 is turned off; at time t6', the four-way valve 240 is reversed; at time t7', the compressor 250 is started, and the indoor unit fan 130 is started to resume the heating operation.
- the time difference between the above moments can be pre-tested according to the specifications of the air conditioner.
- the times t2' to t3', t4' to t5' can be selected within 0 to 120 seconds (for example, 60 seconds), and the compressor 250 and the humidifying assembly 150 are prevented from starting and stopping at the same time.
- the time t1' to t2' (the fourth set time described above) can be selected within 0 to 60 seconds (for example, 30 seconds), and the four-way valve is delayed after the compressor 250 is stopped.
- the time t6' to t7' (the seventh set time mentioned above) can be selected within 0 to 30 seconds (for example, 5 seconds), and after the switching of the four-way valve 240 is completed, the compressor 250 is restarted.
- the time from t0' to t2' can be selected within 0 to 180 seconds (for example, 100 seconds) to avoid the impact caused by the frequent start and stop of the compressor 250;
- the time from t0' to t5' can be from 1 to 10 minutes.
- Internal selection; the time from t0' to t7' can be selected within 1 to 13 minutes, that is, the entire cleaning process is completed in 13 minutes, reducing the effect on heating.
- the time from t0' to t1' is the above-described third set time, and the time from t5' to t6' is the sixth set time.
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Abstract
一种具有自清洁功能的空调器(10),该空调器(10)的室内机(100)设置有室内机风机(130)、室内机换热器(140)、加湿组件(150)、湿度传感器(160),加湿组件(150)具有设置于室内机(100)内并且位于室内机换热器(140)的进风上游的喷雾口(153);该空调器(10)的控制方法包括:步骤S502,接收空调器(10)开启自清洁功能的触发信号;步骤S504,控制室内机换热器(140)运行于蒸发器模式并关闭室内机风机(130);步骤S506,判断湿度传感器(160)检测的室内机(100)工作环境的湿度是否低于预设的湿度阈值;步骤S508,若是,启动加湿组件(150),以利用喷雾口(153)喷出水雾,提高室内机换热器(140)处凝霜程度;步骤S510,在确定室内机换热器(140)达到设定的化霜条件后,控制室内机换热器(140)进行化霜,利用化霜形成的水带走附着的污染物,实现室内机换热器(140)的自清洁。
Description
本发明涉及家用空调,特别是涉及具有自清洁功能的空调器及其控制方法。
空调器长时间放置或使用后,在空调器内会存在大量的尘垢。这些尘垢附着在室内机的换热器上,一方面会降低换热器的换热性能,导致空调器性能下降,导致能耗提高;另一方面,尘垢附着容易滋生细菌,形成霉斑,这些细菌和霉斑会在机组内产生异味,如不及时清理,严重威胁着空调器用户的健康。
传统空调采取的方案一般为定期进行清洗,给用户使用带来了严重不便,因此为了解决空调器的换热器上附着尘垢而带来的上述问题,现有技术出现了利用换热器作为蒸发器使用时产生冷凝水、通过冷凝水带走换热器表面的尘垢的技术手段,实现空调器室内机换热器的自清洁。
然而上述利用冷凝水进行空调器室内机换热器清洁的方案,在实际使用过程中发现清洁的效果会出现不理想的情况,影响了用户的使用。
发明内容
本发明的一个目的提供一种至少解决上述部分技术问题的具有自清洁功能的空调器及其控制方法。
本发明一个进一步的目的是要提高空调器室内机的自清洁效果。
根据本发明的一个方面,提供了一种具有自清洁功能的空调器的控制方法,其中空调器的室内机设置有室内机风机、室内机换热器、加湿组件、湿度传感器,加湿组件具有设置于室内机内并且位于室内机换热器的进风上游的喷雾口,并且控制方法包括:接收空调器开启自清洁功能的触发信号;控制室内机换热器运行于蒸发器模式并关闭室内机风机;判断湿度传感器检测的室内机工作环境的湿度是否低于预设的湿度阈值时,若是,启动加湿组件,以利用喷雾口喷出水雾,提高室内机换热器处凝霜程度;在确定室内机换热器达到设定的化霜条件后,控制室内机换热器进行化霜,利用化霜形成的水 带走附着的污染物,实现室内机换热器的自清洁。
可选地,在接收到空调器开启自清洁功能的触发信号之后还包括:获取空调器的运行状态,并根据运行状态进行自清洁初始化。
可选地,在空调器处于制冷状态的情况下,进行自清洁初始化的步骤包括:保持空调器的压缩机保持运行,保持室内机换热器运行于蒸发器的状态,并保证室内机换热器的表面温度低于结霜温度。
可选地,在空调器处于制冷状态的情况下,控制室内机换热器进行化霜的步骤包括:开启室内机风机,并关闭压缩机;经过第一设定时间后,关闭加湿组件,以在第一设定时间内,利用室内机风机产生的气流对室内机换热器进行化霜;在关闭加湿组件后的第二设定时间,重新压缩机,恢复空调器室内机的制冷状态。
可选地,在空调器处于制热状态的情况下,进行自清洁初始化的步骤包括:关闭空调器的压缩机;经过第三设定时间后,控制空调器的四通阀换向,并在四通阀换向后的第四设定时间,重新开启压缩机,使得室内机换热器运行于蒸发器的状态。
可选地,在空调器处于制热状态的情况下,控制室内机换热器进行化霜的步骤包括:关闭加湿组件;经过第五设定时间后,关闭压缩机;在关闭压缩机后经过第六设定时间后,控制空调器的四通阀再次换向,并在延时第七设定时间后,再次开启压缩机以及室内机风机,恢复空调器室内机的制热模式,对室内机换热器进行化霜。
可选地,确定室内机换热器达到设定的化霜条件包括:室内机换热器的凝霜时间达到设定的凝霜时间阈值;或者加湿组件的开启时间达到设定的加湿时间。
根据本发明的另一个方面,还提供了一种具有自清洁功能的空调器,具有空调器室内机,该空调器室内机包括:室内机机壳,包括用于支撑室内机风机和室内机换热器的骨架、以及罩设在骨架上的具有进风口和出风口的罩壳;加湿组件,其具有设置于室内机机壳内并且位于室内机换热器的进风上游的喷雾口,用于向室内机换热器输出水雾;湿度传感器,配置成测量室内机工作环境的湿度;自清洁控制器,配置成接收空调器开启自清洁功能的触发信号;控制室内机换热器运行于蒸发器模式并关闭室内机风机;判断湿度传感器检测的室内机工作环境的湿度是否低于预设的湿度阈值时,若是,启 动加湿组件,以利用喷雾口喷出水雾,提高室内机换热器处凝霜程度;在确定室内机换热器达到设定的化霜条件后,控制室内机换热器进行化霜,利用化霜形成的水带走附着的污染物,实现室内机换热器的自清洁。
可选地,自清洁控制器还配置成:在接收到空调器开启自清洁功能的触发信号之后,还包括获取空调器的运行状态,并根据运行状态进行自清洁初始化;在空调器处于制冷状态的情况下,进行自清洁初始化的步骤包括:保持空调器的压缩机保持运行,保持室内机换热器运行于蒸发器的状态,并保证室内机换热器的表面温度低于结霜温度;在空调器处于制冷状态的情况下,控制室内机换热器进行化霜的步骤包括:开启室内机风机,并关闭压缩机;经过第一设定时间后,关闭加湿组件,以在第一设定时间内,利用室内机风机产生的气流对室内机换热器进行化霜;在关闭加湿组件后的第二设定时间,重新压缩机,恢复空调器室内机的制冷状态;并且
在空调器处于制热状态的情况下,进行自清洁初始化的步骤包括:关闭空调器的压缩机;经过第三设定时间后,控制空调器的四通阀换向,并在四通阀换向后的第四设定时间,重新开启压缩机,使得室内机换热器运行于蒸发器的状态;以及在空调器处于制热状态的情况下,控制室内机换热器进行化霜的步骤包括:关闭加湿组件;经过第五设定时间后,关闭压缩机;在关闭压缩机后经过第六设定时间后,控制空调器的四通阀再次换向,并在延时第七设定时间后,再次开启压缩机以及室内机风机,恢复空调器室内机的制热模式,对室内机换热器进行化霜。
可选地,加湿组件还包括:水箱,设置于机壳的外部;雾化装置,用于将水箱中的水雾化,并且固定于骨架上,并通过供雾软管连通至喷雾口;水泵,用于将水箱的水供向雾化装置;并且喷雾口横向设置于进风口内侧,并且其长度与进风口的长度相对应,沿其长度方向均匀排布有多个喷雾孔,以通过多个喷雾孔喷出水雾;连接水箱与雾化装置的水管从罩壳侧面穿入机壳,并贴靠于骨架延伸至雾化装置。
本发明的具有自清洁功能的空调器室内机,在机壳内部设置加湿组件,利用该加湿组件在在空调器室内机执行自清洁功能时,提高室内机换热器处凝霜程度,避免了现有自清洁空调器在干燥环境中无法产生足够冷凝水影响自清洁效果的问题。
进一步地,本发明的具有自清洁功能的空调器室内机,加湿组件的喷雾 口横向设置于进风口内侧,沿其长度方向均匀排布有多个喷雾孔,以通过多个喷雾孔喷出水雾,从而可以保证室内机换热器可以均匀结霜,避免了出现清洁死角。
更进一步地,本发明的具有自清洁功能的空调器室内机,控制简单,结构紧凑,减小了空调器原有功能的影响。
本发明的具有自清洁功能的空调器的控制方法,可以根据空调器的运行状态,相应对制冷系统以及加湿组件进行控制,规定相应时序,保证了空调器的可靠性。
根据下文结合附图对本发明具体实施例的详细描述,本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解,这些附图未必是按比例绘制的。附图中:
图1是根据本发明一个实施例的具有自清洁功能的空调器中室内机的一个角度示意性结构图;
图2是根据本发明一个实施例的具有自清洁功能的空调器中室内机的一个角度示意性结构图;
图3是根据本发明一个实施例的具有自清洁功能的空调器中室内机的正视图;
图4是根据本发明一个实施例的具有自清洁功能的空调器的示意性功能框图;
图5a是根据本发明一个实施例的具有自清洁功能的空调器的控制方法的示意图;
图5b是根据本发明另一个实施例的具有自清洁功能的空调器的控制方法的示意图;
图6是根据本发明一个实施例的具有自清洁功能的空调器的在制冷状态下执行自清洁功能的时序图;以及
图7是根据本发明一个实施例的具有自清洁功能的空调器的在制热状态下执行自清洁功能的时序图。
图1是根据本发明一个实施例的具有自清洁功能的空调器10中室内机100的一个角度示意性结构图。图2是根据本发明一个实施例的具有自清洁功能的空调器10中室内机100的一个角度示意性结构图。图3是根据本发明一个实施例的具有自清洁功能的空调器10中室内机100的正视图。图4是根据本发明一个实施例的具有自清洁功能的空调器10的示意性功能框图。
该具有自清洁功能的空调器10可以包括空调器室内机100以及空调器室外机200。其中空调器室内机100一般性地可以包括机壳110、加湿组件150、湿度传感器160、自清洁传感器300。其中机壳110,包括用于支撑室内机风机130和室内机换热器140的骨架111以及罩设在骨架111上的具有进风口113和出风口114的罩壳112。一般而言罩壳112的前侧构成室内机100的前面板,并且具有位于其顶部的进风口113和位于其前侧下端的出风口114。由于空调器室内机100的机壳110结构是本领域普通技术人员所习知,在此不做赘述。
室内机换热器140与流经其的空气进行热交换,以改变流经其的空气的温度。室内机风机130为促使由进风口113进入的环境空气流向室内机换热器140、并促使经室内机换热器140换热后的换热空气朝向出风口114流动,从而排向室内机100的工作环境。
室内机换热器140作为制冷系统的一部分,制冷系统可以利用压缩制冷循环来实现,压缩制冷循环利用制冷剂在压缩机250、冷凝器、蒸发器、节流装置的压缩相变循环实现热量的传递。在空调器中,制冷系统还可以设置四通阀,改变制冷剂的流向,使室内机换热器140交替作为蒸发器或冷凝器,实现制冷或者制热功能。由于空调器中压缩制冷循环是本领域技术人员所习知,其工作原理和构造在此不做赘述。
加湿组件150包括:水箱151,雾化装置152、喷雾口153。水箱151用于储存雾化使用的水,在一些实施例中,可以布置于室内机100的外部,以方便加水。
雾化装置152用于将水箱151中的水雾化,其可以采用超声波换能片进行雾化。雾化装置152可以固定于骨架111上,并通过供雾软管154连通至喷雾口153。加湿组件150还还可以设置水泵1501,用于将水箱151的水供向雾化装置152,连接水箱151与雾化装置152的水管155可以从罩壳112 侧面穿入机壳110,并贴靠于骨架111延伸至雾化装置152,从而避免占用室内机100内过多的空间。
喷雾口153用于输出雾化装置152形成的水雾,喷雾口153可以设置于机壳110内并且位于室内机换热器140的进风上游。一些可选实施例中,喷雾口153横向设置于进风口113内侧,并且其长度与进风口113的长度相对应,沿其长度方向均匀排布有多个喷雾孔1530,以通过多个喷雾孔1530喷出水雾。通过该结构,可以使喷雾口153输出水雾均匀地进入室内机100,便于在室内机换热器140上均匀的结霜。
自清洁控制器300配置成接收空调器10开启自清洁功能的触发信号;控制室内机换热器140运行于蒸发器模式并关闭室内机风机130;判断湿度传感器160检测的室内机工作环境的湿度是否低于预设的湿度阈值时,若是,启动加湿组件150,以利用喷雾口153喷出水雾,提高室内机换热器140处凝霜程度;在确定室内机换热器140达到设定的化霜条件后,控制室内机换热器140进行化霜,利用化霜形成的水带走附着的污染物,实现室内机换热器140的自清洁。
自清洁控制器300可以在累积运行时间超过设定时间阈值(例如累积工作48或者60小时后,具体数值可以根据空调器室内机100的工作环境情况进行设定)或者接收到自清洁控制指令(例如接收用户操作遥控器的自清洁按钮的控制指令)时,开启空调器10的自清洁功能。
加湿组件150在空调器室内机100执行自清洁功能时,启动雾化装置152,以利用喷雾口153喷出水雾使其流经室内机换热器140,提高室内机换热器140处凝霜程度。在发明人在对空调器自清洁功能进行研究的过程中,发现目前空调器下自清洁效果不佳尤其在比较干燥的环境下自清洁效果更差的主要原因为,冷凝水无法满足冲洗室内机换热器140的要求,因此本实施例通过加湿组件150为室内机换热器140提供了更佳的凝霜条件,并且通过改进喷雾口153的结构,可以使室内机换热器140均匀结霜,从而可以做到室内机换热器140的全面清洁,避免出现清洁死角。
室内机换热器140在完成凝霜后,运行于冷凝器模式,从而利用化霜形成的水带走附着的污染物,完成室内机100的自清洁过程。
湿度传感器160可以测量室内机100工作环境的湿度,以便于根据室内机100工作环境的湿度判断是否需要开启加湿组件150。例如加湿组件150 可以仅在工作环境的湿度低于预设的湿度阈值(具体数值可以根据结霜条件进行设置)时,允许启动雾化装置152。另外雾化装置152还可以在启动后根据工作环境的湿度调整雾化强度,以使得雾化强度随着工作环境的湿度提高而相应降低,从而保证均匀结霜而不过度增加环境湿度。
室内机换热器140在空调器10开启自清洁功能时,持续运行于蒸发器模式,从而保证其表面温度低于结霜温度;并在在空调器10开启自清洁功能并持续设定时间后,确定完成凝霜,然后开始进行化霜。
室内机风机130在空调器10开启自清洁功能时以低转速运转或者停止运转(保证加湿组件150的水雾用于结霜);在室内机换热器140化霜过程中停止运转以提高化霜速度,在室内机换热器140化霜完成后以高转速运转,以干燥室内机换热器140。
自清洁控制器300作为空调器10的控制核心,可以在自清洁过程中对加湿组件150、制冷系统(包括压缩机250、四通阀240、室内机风机130、室外机风机230)进行控制,使得上述部件按照设定的时序进行启停,完成自清洁过程。
自清洁控制器300在接收到空调器100开启自清洁功能的触发信号之后,还可以获取空调器10的运行状态(制冷或者制热),并根据空调器的运行状态进行自清洁初始化。
在空调器处于制冷状态的情况下,进行所述自清洁初始化的步骤包括:保持空调器10的压缩机250保持运行,保持室内机换热器140运行于蒸发器的状态,并保证室内机换热器140的表面温度低于结霜温度。
在空调器10处于制热状态的情况下,进行自清洁初始化的步骤包括:关闭空调器10的压缩机250;经过第三设定时间后,控制空调器10的四通阀240换向,并在四通阀240换向后的第四设定时间,重新开启压缩机250,使得室内机换热器140运行于蒸发器的状态。
在空调器10处于制冷状态的情况下,自清洁控制器300控制室内机换热器140进行化霜的步骤包括:开启室内机风机130,并关闭压缩机250;经过第一设定时间后,关闭加湿组件150,以在第一设定时间内,利用室内机风机130产生的气流对室内机换热器140进行化霜;在关闭加湿组件150后的第二设定时间,重新压缩机250,恢复空调器室内机100的制冷状态。
在空调器10处于制热状态的情况下,自清洁控制器300控制室内机换 热器140进行化霜的步骤包括:关闭加湿组件150;经过第五设定时间后,关闭压缩机250;在关闭压缩机250后经过第六设定时间后,控制空调器10的四通阀240再次换向,并在延时第七设定时间后,再次开启压缩机以及室内机风机,恢复空调器室内机10的制热模式,对室内机换热器进行化霜。
本实施例的具有自清洁功能的空调器10,在机壳110内部设置加湿组件150,利用该加湿组件150在在空调器10执行自清洁功能时,提高室内机换热器140处凝霜程度,避免了现有自清洁空调器在干燥环境中无法产生足够冷凝水影响自清洁效果的问题,另外,通过优化喷雾口153的结构可以保证室内机换热器140可以均匀结霜,避免了出现清洁死角。
本实施例还提供了一种具有自清洁功能的空调器的控制方法,该控制方法可以由上述任一种具有自清洁功能的空调器10的自清洁控制300来执行。图5a是根据本发明一个实施例的具有自清洁功能的空调器10的控制方法的示意图。该具有自清洁功能的空调器10的控制方法包括:
步骤S502,接收开启自清洁功能的触发信号;
步骤S504,控制室内机换热器140运行于蒸发器模式并关闭室内机风机130或控制室内机风机130以低转速运行;
步骤S506,判断湿度传感器160检测的室内机100工作环境的湿度是否低于预设的湿度阈值时;
步骤S508,在工作环境的湿度低于预设湿度阈值时,启动加湿组件150,以利用喷雾口153喷出水雾,提高室内机换热器140处凝霜程度;
步骤S510,在确定室内机换热器140达到设定的化霜条件后,控制室内机换热器140进行化霜,利用化霜形成的水带走附着的污染物;
上述设定的化霜条件可以为室内机换热器140的凝霜时间超过设定的凝霜时间阈值。
在完成化霜之后,室内机风机130可以以高转速运转,以干燥室内机换热器140;然后恢复室内机100清洁前的工作状态。
本实施例的具有自清洁功能的空调器10在制冷状态以及制热状态下,均可以执行上述自清洁过程。在步骤S502之后,可以首先获取空调器10的运行状态,并根据运行状态进行自清洁初始化(参见图5b,步骤S503)。
在空调器处于制冷状态的情况下,进行所述自清洁初始化的步骤包括:保持空调器10的压缩机250保持运行,保持室内机换热器140运行于蒸发 器的状态,并保证室内机换热器140的表面温度低于结霜温度。
在空调器10处于制热状态的情况下,进行自清洁初始化的步骤包括:关闭空调器10的压缩机250;经过第三设定时间后,控制空调器10的四通阀240换向,并在四通阀240换向后的第四设定时间,重新开启压缩机250,使得室内机换热器140运行于蒸发器的状态。
在空调器10处于制冷状态的情况下,控制室内机换热器140进行化霜的步骤包括:开启室内机风机130,并关闭压缩机250;经过第一设定时间后,关闭加湿组件150,以在第一设定时间内,利用室内机风机130产生的气流对室内机换热器140进行化霜;在关闭加湿组件150后的第二设定时间,重新压缩机250,恢复空调器室内机100的制冷状态。
在空调器10处于制热状态的情况下,控制室内机换热器140进行化霜的步骤包括:关闭加湿组件150;经过第五设定时间后,关闭压缩机250;在关闭压缩机250后经过第六设定时间后,控制空调器10的四通阀240再次换向,并在延时第七设定时间后,再次开启压缩机以及室内机风机,恢复空调器室内机10的制热模式,对室内机换热器进行化霜。
图6是根据本发明一个实施例的具有自清洁功能的空调器10的在制冷状态下执行自清洁功能的时序图。
在图中,T1、T2、T3分别为室内机风机130、压缩机250、加湿组件150的启停时序曲线,在t0时刻接收到自清洁信号后,室内机风机130关闭,加湿组件150在满足湿度条件的情况下启动,压缩机250保持运行;到达t1时刻后,压缩机250停机,室内机风机130开机,开始除霜,化霜的水冲洗室内机换热器140上的灰尘,此时加湿组件150可以保持开启一段时间,增加湿度加快除尘。到达t2时刻后,加湿组件150关闭停止加湿,室内机风机130通过吹风使室内机换热器140干燥;到达t3时刻后,压缩机250重新启动,恢复制冷状态。上述时刻之间的时间差,可以根据空调器的规格预先测试得出。例如t0至t1的时间可以在0至20分钟之间取值,t1至t2的时间为上述第一设定时间;t2至t3(上述第二设定时间)的时间可以在10至60秒之间取值。
另外以上时序也可以根据情况,具体进行调整,例如加湿组件150可以在压缩机250停机后同时关闭。室内机风机130关闭可以采用是室内机风机130低速微风运行来替代。
图7是根据本发明一个实施例的具有自清洁功能的空调器10的在制热状态下执行自清洁功能的时序图。
在图中,T1’、T2’、T3’、T4’、T5’分别为室内机风机130、室外机风机230、四通阀240、压缩机250、加湿组件150的启停时序曲线,在t0’时刻接收到自清洁信号后,室内机风机130、压缩机250关闭;在t1’时刻,室外机风机230停机、四通阀240换向;在t2’时刻,压缩机250启动,室内机换热器140开始运行于蒸发状态;在t3’时刻,室内机换热器140温度已经下降,加湿组件150启动,使室内机换热器140凝露;在t4’时刻,加湿组件150关闭;在t5’时刻,室外机风机230启动,压缩机250关闭;在t6’时刻,四通阀240换向;在t7’时刻,压缩机250启动,室内机风机130启动,恢复制热运行。
上述时刻之间的时间差,可以根据空调器的规格预先测试得出。例如t2’至t3’,t4’至t5’(上述第五设定时间)的时间均可以在0至120秒之内选择(例如60秒),避免压缩机250与加湿组件150同时启停,减少大电流的冲击;又例如t1’至t2’的时间(上述第四设定时间)可以在0至60秒之内选择(例如30秒),在压缩机250停机后延时驱动四通阀240换向;t6’至t7’的时间(上述第七设定时间)可以在0至30秒之内选择(例如5秒),在保证四通阀240完成切换后,使压缩机250恢复启动;又例如t0’至t2’的时间可以在0至180秒之内选择(例如100秒),避免压缩机250频繁启停造成的冲击;t0’至t5’的时间可以在1至10分钟之内选择;t0’至t7’的时间可以在1至13分钟之内选择,也即在13分钟内完成整个清洁过程,减小对制热造成的影响。t0’至t1’的时间为上述第三设定时间,t5’至t6’的时间为上述第六设定时间。
需要说明的是上述时序为某一具体规格的空调器10实现自清洁功能的例举,在实际实施例过程中,可以根据具体需要进行适当调整。
至此,本领域技术人员应认识到,虽然本文已详尽示出和描述了本发明的多个示例性实施例,但是,在不脱离本发明精神和范围的情况下,仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此,本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。
Claims (10)
- 一种具有自清洁功能的空调器的控制方法,其中所述空调器的室内机设置有室内机风机、室内机换热器、加湿组件、湿度传感器,所述加湿组件具有设置于所述室内机内并且位于所述室内机换热器的进风上游的喷雾口,并且所述控制方法包括:接收所述空调器开启自清洁功能的触发信号;控制所述室内机换热器运行于蒸发器模式并关闭所述室内机风机;判断所述湿度传感器检测的所述室内机工作环境的湿度是否低于预设的湿度阈值时,若是,启动所述加湿组件,以利用所述喷雾口喷出水雾,提高所述室内机换热器处凝霜程度;在确定所述室内机换热器达到设定的化霜条件后,控制所述室内机换热器进行化霜,利用化霜形成的水带走附着的污染物,实现所述室内机换热器的自清洁。
- 根据权利要求1所述的控制方法,其中在接收到所述空调器开启自清洁功能的触发信号之后还包括:获取所述空调器的运行状态,并根据所述运行状态进行自清洁初始化。
- 根据权利要求2所述的控制方法,其中在所述空调器处于制冷状态的情况下,进行所述自清洁初始化的步骤包括:保持所述空调器的压缩机保持运行,保持所述室内机换热器运行于蒸发器的状态,并保证所述室内机换热器的表面温度低于结霜温度。
- 根据权利要求3所述的控制方法,其中在所述空调器处于制冷状态的情况下,控制所述室内机换热器进行化霜的步骤包括:开启所述室内机风机,并关闭所述压缩机;经过第一设定时间后,关闭所述加湿组件,以在所述第一设定时间内,利用所述室内机风机产生的气流对所述室内机换热器进行化霜;在关闭所述加湿组件后的第二设定时间,重新所述压缩机,恢复所述空调器室内机的制冷状态。
- 根据权利要求2所述的控制方法,其中在所述空调器处于制热状态的情况下,进行所述自清洁初始化的步骤包括:关闭所述空调器的压缩机;经过第三设定时间后,控制所述空调器的四通阀换向,并在所述四通阀换向后的第四设定时间,重新开启所述压缩机,控制所述室内机换热器运行于蒸发器的状态。
- 根据权利要求5所述的控制方法,其中在所述空调器处于制热状态的情况下,控制所述室内机换热器进行化霜的步骤包括:关闭所述加湿组件;经过第五设定时间后,关闭所述压缩机;在关闭所述压缩机后经过第六设定时间后,控制所述空调器的四通阀再次换向,并在延时第七设定时间后,再次开启所述压缩机以及所述室内机风机,恢复所述空调器室内机的制热模式,对所述室内机换热器进行化霜。
- 根据权利要求1所述的控制方法,其中确定所述室内机换热器达到设定的化霜条件包括:所述室内机换热器的凝霜时间达到设定的凝霜时间阈值;或者所述加湿组件的开启时间达到设定的加湿时间。
- 一种具有自清洁功能的空调器,具有空调器室内机,所述空调器室内机包括:室内机机壳,包括用于支撑室内机风机和室内机换热器的骨架、以及罩设在所述骨架上的具有进风口和出风口的罩壳;加湿组件,其具有设置于所述室内机机壳内并且位于所述室内机换热器的进风上游的喷雾口,用于向所述室内机换热器输出水雾;湿度传感器,配置成测量所述室内机工作环境的湿度;自清洁控制器,配置成接收所述空调器开启自清洁功能的触发信号;控制所述室内机换热器运行于蒸发器模式并关闭所述室内机风机;判断所述湿度传感器检测的所述室内机工作环境的湿度是否低于预设的湿度阈值时,若是,启动所述加湿组件,以利用所述喷雾口喷出水雾,提高所述室内机换热器处凝霜程度;在确定所述室内机换热器达到设定的化霜条件后,控制所述室内机换热器进行化霜,利用化霜形成的水带走附着的污染物,实现所述室内机换热器的自清洁。
- 根据权利要求8所述的空调器,其中所述自清洁控制器还配置成:在接收到所述空调器开启自清洁功能的触发信号之后,还包括获取所述空调器的运行状态,并根据所述运行状态进行自清洁初始化;在所述空调器处于制冷状态的情况下,进行所述自清洁初始化的步骤包括:保持所述空调器的压缩机保持运行,保持所述室内机换热器运行于蒸发器的状态,并保证所述室内机换热器的表面温度低于结霜温度;在所述空调器处于制冷状态的情况下,控制所述室内机换热器进行化霜的步骤包括:开启所述室内机风机,并关闭所述压缩机;经过第一设定时间后,关闭所述加湿组件,以在所述第一设定时间内,利用所述室内机风机产生的气流对所述室内机换热器进行化霜;在关闭所述加湿组件后的第二设定时间,重新所述压缩机,恢复所述空调器室内机的制冷状态;并且在所述空调器处于制热状态的情况下,进行所述自清洁初始化的步骤包括:关闭所述空调器的压缩机;经过第三设定时间后,控制所述空调器的四通阀换向,并在所述四通阀换向后的第四设定时间,重新开启所述压缩机,使得所述控制所述室内机换热器运行于蒸发器的状态;以及在所述空调器处于制热状态的情况下,控制所述室内机换热器进行化霜的步骤包括:关闭所述加湿组件;经过第五设定时间后,关闭所述压缩机;在关闭所述压缩机后经过第六设定时间后,控制所述空调器的四通阀再次换向,并在延时第七设定时间后,再次开启所述压缩机以及所述室内机风机,恢复所述空调器室内机的制热模式,对所述室内机换热器进行化霜。
- 根据权利要求8所述的空调器,所述加湿组件还包括:水箱,设置于所述机壳的外部;雾化装置,用于将所述水箱中的水雾化,并且固定于所述骨架上,并通过供雾软管连通至所述喷雾口;水泵,用于将所述水箱的水供向所述雾化装置;并且所述喷雾口横向设置于所述进风口内侧,并且其长度与所述进风口的长度相对应,沿其长度方向均匀排布有多个喷雾孔,以通过所述多个喷雾孔喷出所述水雾;连接所述水箱与所述雾化装置的水管从所述罩壳侧面穿入所述机壳,并贴靠于所述骨架延伸至所述雾化装置。
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