Air conditioner control method and device and air conditioner

Abstract

The invention discloses an air conditioner control method and device and an air conditioner, and relates to the technical field of air conditioners, the method comprises humidification control, and the humidification control comprises the steps that defrosting water is heated and vaporized, and hot water vapor is generated; according to the method, the hot water vapor generated by defrosting water is used for humidifying the indoor space, due to the fact that the temperature of the hot water vapor is high, the temperature of air flow at the air outlet is not reduced due to humidification, the temperature of the air flow at the air outlet can be increased, and therefore the indoor space can be humidified while the temperature of the air flow at the air outlet is increased. And the heating efficiency of the air conditioner is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of air conditioning, and in particular, to an air conditioner control method, device and air conditioner. Background Art

[0002] Research shows that the ideal range of indoor humidity is 40%-60%, with the best indoor comfortable humidity in winter being 40%-50% and the best indoor comfortable humidity in summer being 50%-60%. When users use traditional air conditioning heating mode to keep warm, the indoor humidity usually remains unchanged. As the indoor temperature rises, the indoor relative humidity will decrease, resulting in dry indoor air.

[0003] In order to prevent the air conditioner from causing the indoor relative humidity to be too low and make people uncomfortable during the heating process, air conditioners with humidification functions are designed in related air conditioning technologies. However, the current air conditioning humidification technology, on the one hand, will cause the indoor relative humidity to be too high due to continuous humidification, and on the other hand, humidification will reduce the heating effect, which is not conducive to obtaining a comfortable indoor temperature and humidity environment. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present application provides an air conditioner control method, device and air conditioner.

[0005] The technical solution adopted by this application to solve its technical problem is:

[0006] In a first aspect, an air conditioner control method is provided, including humidification control, wherein the humidification control comprises: heating and vaporizing defrost water to generate hot water vapor; and sending the hot water vapor into a room through an air outlet to humidify the indoor air.

[0007] Furthermore, it also includes heat exchanger cooling control, which includes: atomizing condensed water to generate cold water vapor; spraying the cold water vapor to the outdoor heat exchanger to achieve cooling and cleaning of the outdoor heat exchanger.

[0008] Furthermore, before heating and vaporizing the defrost water, the humidification control further includes: filtering the obtained defrost water to remove impurities in the defrost water.

[0009] Furthermore, the obtained defrost water is filtered by a filtering device, which comprises a four-layer structure of a mesh filter or a coarse filter, activated carbon, PP cotton and a reverse osmosis membrane in sequence. The defrost water enters the filtering device through the mesh filter or the coarse filter and flows out of the filtering device through the reverse osmosis membrane.

[0010] Furthermore, heating and vaporizing the defrost water comprises: heating and vaporizing the defrost water by electrode heating.

[0011] Furthermore, before filtering the acquired defrost water, the humidification control also includes: determining whether to trigger the humidification control start signal based on the indoor humidity value and the set humidity value; the filtering of the acquired defrost water is: filtering the acquired defrost water after the humidification control start signal is triggered.

[0012] Furthermore, before heating and vaporizing the defrost water, the humidification control also includes: determining a humidification control scheme according to a humidity difference between an indoor humidity value and a set humidity value; heating and vaporizing the defrost water includes: heating and vaporizing the defrost water according to the humidification control scheme.

[0013] Furthermore, determining the humidification control scheme based on the humidity difference between the indoor humidity value and the set humidity value includes: if the humidity difference is greater than the first set humidity value, executing the first humidification scheme, and the first humidification scheme generates a large amount of hot water vapor; if the humidity difference is between the first set humidity value and the second set humidity value, executing the second humidification scheme, and the second humidification scheme generates a medium amount of hot water vapor, and the first set humidity value>the second set humidity value; if the humidity difference is less than the second set humidity value, executing the third humidification scheme, and the third humidification scheme generates a small amount of hot water vapor.

[0014] Further, the air conditioner outdoor unit is provided with a water storage tank, the water storage tank is provided with a defrost water storage area, the water storage tank is provided with a water pump, after the humidification control is started, the air conditioner outdoor unit is provided with a vaporization device, the defrost water is pumped from the defrost water storage area into the vaporization device by the water pump, the vaporization device is provided with electrodes, and the defrost water is heated and vaporized in the vaporization device by electrode heating; the first humidification scheme is: control the water pump to operate at high-end power, greatly increase the amount of defrost water in the vaporization device, control the current passing through the electrode to be a first current value, the first current value> the first preset current value; the second humidification scheme is: control the water pump to operate at mid-range power, appropriately increase the amount of defrost water in the vaporization device, control the current passing through the electrode to be a second current value, the first preset current value> the second current value> the second preset current value; the third humidification scheme is: control the water pump to operate at low-end power, control the current passing through the electrode to be a third current value, the third current value< the second preset current value.

[0015] Furthermore, determining the humidification control scheme based on the humidity difference between the indoor humidity value and the set humidity value also includes: after humidifying the indoor room through the first humidification scheme, the second humidification scheme or the third humidification scheme, if the humidity difference is adjusted to within the specified numerical range, then executing the fourth humidification scheme, the fourth humidification scheme controls the water pump to operate at a low power level, controls the current passing through the electrode to be a fourth current value, stops energizing the electrode after running for a first predetermined period of time, and the water pump stops delivering defrost water to the vaporization device.

[0016] Furthermore, before determining the humidification control scheme according to the humidity difference between the indoor humidity value and the set humidity value, the humidification control further includes: executing the second humidification scheme for a second predetermined time period each time when defrosting is completed and the heating mode is switched to operate.

[0017] Furthermore, the air outlet of the indoor unit of the air conditioner is provided with a steam release port, and the steam release port includes a plurality of steam outlet grilles: when the first humidification scheme is executed, the steam outlet grilles are opened according to a first preset number; when the second humidification scheme is executed, the steam outlet grilles are opened according to a second preset number; when the third humidification scheme and the fourth humidification scheme are executed, the steam outlet grilles are opened according to a third preset number, and the first preset number>the second preset number>the third preset number.

[0018] Furthermore, the condensed water is atomized by an atomizer arranged above the heat exchanger.

[0019] Furthermore, the water tank is also provided with a condensed water storage area. Before atomizing the condensed water, the temperature reduction control of the heat exchanger includes: determining an atomization control scheme according to the pressure in the condensed water storage area; and atomizing the condensed water includes: atomizing the condensed water according to the atomization control scheme.

[0020] Furthermore, the water pump is also used to control the circulation of condensed water, and the atomization control scheme is determined according to the pressure in the condensed water storage area, including: if the pressure in the condensed water storage area is greater than a first pressure value, a first atomization scheme is executed, the first atomization scheme controls the water pump to operate at a high-end power, and the atomizer atomizes the condensed water at a first atomization rate; if the pressure in the condensed water storage area is less than the first pressure value but greater than a second pressure value, a second atomization scheme is executed, the second atomization scheme controls the water pump to operate at a mid-range power, and the atomizer atomizes the condensed water at a second atomization rate; if the pressure in the condensed water storage area is less than the second pressure value, a third atomization scheme is executed, the third atomization scheme controls the water pump to operate at a low-range power, and the atomizer atomizes the condensed water at a third atomization rate, and the first atomization rate < the second atomization rate < the third atomization rate.

[0021] Furthermore, determining the atomization control scheme according to the pressure in the condensed water storage area also includes: if the outdoor ambient temperature is greater than a preset temperature value, increasing the operating speed of the atomizer in the atomization control scheme by one level.

[0022] Furthermore, determining whether to trigger a humidification control start signal based on the indoor humidity value and the set humidity value includes: when the air conditioner is turned on, real-time detection of the current indoor humidity; if the current indoor humidity is not less than a first preset humidity value, periodically detecting whether the indoor humidity is less than the first preset humidity value at a preset time interval, until the indoor humidity is detected to be less than the first preset humidity value, triggering the humidification control start signal; if the current indoor humidity is less than the second preset humidity value, directly triggering the humidification control start signal.

[0023] Furthermore, before heating and vaporizing the defrost water, the humidification control also includes: detecting whether the amount of defrost water in the defrost water storage area reaches a preset water value; if not, controlling the water pump to extract condensed water from the condensed water storage area for the humidification control.

[0024] Furthermore, the unconsumed portion of condensed water sprayed to the heat exchanger flows from the heat exchanger to the chassis and is finally collected in the defrosting water area of ​​the water storage tank.

[0025] In a second aspect, an air conditioner control device is provided, including a humidification control unit, wherein the humidification control unit includes:

[0026] The defrost water vaporization module is used to heat and vaporize the defrost water to generate hot water vapor;

[0027] The humidification module is used to send the hot water vapor into the room through the air outlet to humidify the indoor air.

[0028] In a third aspect, an air conditioner is provided, comprising:

[0029] at least one processor and at least one memory;

[0030] The memory stores executable instructions of the processor;

[0031] The processor is configured to execute any one of the above-mentioned air conditioner control methods.

[0032] Beneficial effects:

[0033] The technical solution of the present application provides an air conditioner control method, including humidification control, which includes: heating and vaporizing defrost water to generate hot water vapor; sending the hot water vapor into the room through the air outlet to humidify the indoor air. The method uses the hot water vapor generated by the defrost water to humidify the room. Since the temperature of the hot water vapor is relatively high, not only does the temperature of the air flow at the air outlet not decrease due to humidification, but the air flow at the air outlet can also be heated. Therefore, the heating efficiency of the air conditioner can be effectively improved while humidifying the room. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0035] Figure 1 is a flow chart of an air conditioner control method provided in an embodiment of the present application;

[0036] Figure 2 , Figure 7 is a flow chart of another air conditioner control method provided in an embodiment of the present application;

[0037] Figure 3 yes Figure 2 , Figure 7 A schematic diagram of the humidification start-up control flow in the illustrated embodiment;

[0038] Figure 4 This is a schematic diagram of the structure of an air conditioner in an embodiment of the present application;

[0039] Figure 5 This is a schematic diagram of the structure of the filtering device in the embodiment of the present application;

[0040] Figure 6 This is a schematic diagram of the air outlet structure of the indoor unit of the air conditioner in the embodiment of the present application;

[0041] Figure 8 yes Figure 2 A schematic diagram of a flow chart for determining an atomization control scheme in the illustrated embodiment;

[0042] Fig. 9 is a functional structure diagram of an air conditioner control device provided in an embodiment of the present application;

[0043] Fig.10 , Fig.11 is a functional structure diagram of another air conditioner control device provided in an embodiment of the present application;

[0044] Fig.12 is a functional structure diagram of an air conditioner provided in an embodiment of the present application;

[0045] Figure 4 In: 1. Air conditioner indoor unit, 1.1. Air outlet, 1.2. Humidification steam release port, 2. Air conditioner outdoor unit, 3. Condensate pipe, 4. Water storage tank, 5. Outdoor heat exchanger, 6. Axial flow fan, 7. Compressor, 8. Liquid storage tank, 9. Four-way reversing valve, 10. Condensate atomizer, 11. Pressure switch valve, 12. Water pump, 13. Humidification gas pipeline. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme of the present application is described in detail below in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other implementation methods obtained by ordinary technicians in the field without making creative work belong to the scope of protection of the present application.

[0047] To solve this problem, refer to Figure 1 The embodiment of the present application provides an air conditioner control method, including a humidification control 11, wherein the humidification control 11 includes:

[0048] 1101. Heat and vaporize the defrost water to generate hot water vapor.

[0049] 1102. Send hot water vapor into the room through the air outlet to humidify the indoor air.

[0050] The air conditioner control method provided in the present embodiment includes humidification control, and the humidification control includes: heating and vaporizing the defrost water to generate hot water vapor; sending the hot water vapor into the room through the air outlet to humidify the indoor air. The method uses the hot water vapor generated by the defrost water to humidify the room. Since the temperature of the hot water vapor is relatively high, not only does the temperature of the air flow at the air outlet not decrease due to humidification, but the air flow at the air outlet can also be heated. Therefore, it is possible to effectively improve the heating efficiency of the air conditioner while humidifying the room.

[0051] Based on the above embodiments, the embodiments of the present invention provide another air conditioner control method. On the one hand, it solves the problem of direct discharge of air-conditioning condensed water and waste of latent cooling energy. On the other hand, it solves the problems of bacteria breeding in humidification water and manual water addition, while avoiding the lowering of the outlet air temperature after the humidification water is mixed with the outlet air, which affects thermal comfort. It realizes the collection and reuse of condensed water to reduce the waste of latent cooling resources, and at the same time cleans the outdoor unit heat exchanger, enhances heat exchange, reduces the compressor cavity temperature, and ensures operating efficiency. Effectively utilize defrost water to avoid defrost water from depositing on the chassis of the outdoor unit and freezing, which affects the heat dissipation and circulation of the outdoor unit; humidify the room to improve heating comfort. The method includes humidification control 21, see Figure 2 , the humidification control 21 includes:

[0052] 2101. Determine whether to trigger a humidification control start signal according to the indoor humidity value and the set humidity value.

[0053] In some alternative embodiments, see Figure 3 , 2101 can be achieved through but not limited to the following process:

[0054] 21011. When the air conditioner is turned on, the current indoor humidity is detected in real time.

[0055] 21012. If the current indoor humidity is not less than the first preset humidity value, periodically detect whether the indoor humidity is less than the first preset humidity value at a preset time interval until the indoor humidity is detected to be less than the first preset humidity value, triggering a humidification control start signal.

[0056] 21013. If the current indoor humidity is less than the second preset humidity value, the humidification control start signal is directly triggered.

[0057] 2102. After the humidification control start signal is triggered, it is detected in real time whether the defrost water volume in the defrost water storage area reaches the preset water volume value. If not, the water pump is controlled to extract condensed water from the condensed water storage area for humidification control until the defrost water volume in the defrost water storage area reaches the preset water volume value.

[0058] See also Figure 4 In this embodiment, a water storage tank is provided on the outdoor unit of the air conditioner. The water storage tank is provided with a defrost water storage area and a condensed water storage area. The water storage tank is provided with a water pump. The outdoor unit of the air conditioner is provided with a vaporization device. The defrost water is pumped from the defrost water storage area into the vaporization device by the water pump. The vaporization device is provided with electrodes. The defrost water is heated and vaporized in the vaporization device by electrode heating. The air outlet of the indoor unit of the air conditioner is provided with a steam release port, and the steam release port includes a plurality of steam outlets.

[0059] The filtered water is led to the vaporization device. Electrodes are arranged in the device and immersed in the water in the water tank. When the electrodes are energized, the current passes through the water and generates heat. The heat generated evaporates the water to form steam. The steam is mixed with the outlet air through the humidification gas pipeline flow outlet and released into the air to increase the air humidity. Secondly, when the electrodes heat the water to boil and vaporize, the sterilization effect can be achieved again.

[0060] The immersion depth of the electrode in water can be adjusted according to the indoor humidity conditions. By controlling the liquid supply amount to adjust the immersion depth of the electrode, the power output of the humidifier can be controlled, thereby adjusting the steam volume.

[0061] 2103. Filter the obtained defrost water to remove impurities in the defrost water.

[0062] Specifically, the obtained defrost water is filtered by a filtering device, see Figure 5 The filtering device includes a four-layer structure of a mesh filter or a coarse filter, activated carbon, PP cotton and a reverse osmosis membrane in sequence. The defrost water enters the filtering device through the mesh filter or the coarse filter and flows out of the filtering device through the reverse osmosis membrane.

[0063] The collected defrost water / condensed water contains impurities, bacteria, odor, small particles, etc., and cannot be used directly for vaporization humidification. It needs to be processed before use. This application uses four layers of filtration: defrost water / condensed water → mesh filter / coarse filter → activated carbon → PP cotton → reverse osmosis membrane before being used for vaporization humidification.

[0064] This embodiment collects the defrost water generated when the outdoor unit of the air conditioner is in heating operation, and uses it for indoor humidification after filtering and sterilization. When the indoor humidity is detected to be too low, the humidification is started, and the processed defrost water is pre-heated and vaporized so that it is already in a steam or atomized state when it enters the indoor unit, and is directly mixed with the outlet air and blown into the room to avoid a significant drop in the outlet air temperature when mixed with the outlet air. At the same time, intermittent humidification is performed according to the indoor humidity and the duration of heating operation.

[0065] 2104. Determine a humidification control scheme based on the humidity difference between the indoor humidity value and the set humidity value.

[0066] Specifically, if the humidity difference is greater than the first set humidity value, the first humidification scheme is executed, and the first humidification scheme generates a large amount of hot water vapor.

[0067] If the humidity difference is between the first set humidity value and the second set humidity value, the second humidification scheme is executed, the second humidification scheme generates a medium amount of hot water vapor, and the first set humidity value>the second set humidity value.

[0068] If the humidity difference is less than the second set humidity value, the third humidification scheme is executed, and the third humidification scheme generates a small amount of hot water vapor.

[0069] In some optional embodiments, the humidification control scheme uses electrode heating to heat and vaporize the defrost water.

[0070] In some optional embodiments, the first humidification scheme is: controlling the water pump to operate at a high-end power, greatly increasing the amount of defrost water in the vaporization device, and controlling the current passing through the electrode to be a first current value, the first current value> the first preset current value.

[0071] In some optional embodiments, the humidification scheme is: control the water pump to operate at mid-range power, increase the amount of defrost water in the vaporization device appropriately, control the current passing through the electrode to a second current value, and the first preset current value>the second current value>the second preset current value.

[0072] In some optional embodiments, the humidification scheme is: controlling the water pump to operate at a low power, controlling the current passing through the electrode to be a third current value, and the third current value < the second preset current value.

[0073] See also Figure 6 In some optional embodiments, the air outlet of the indoor unit of the air conditioner is provided with a steam release outlet, and the steam release outlet includes a plurality of steam outlets.

[0074] In some optional embodiments, when the first humidification scheme is executed, the steam outlet is opened according to a first preset number.

[0075] In some optional embodiments, when the second humidification scheme is executed, the steam outlet is opened according to a second preset number.

[0076] In some optional embodiments, when the third humidification scheme and the fourth humidification scheme are executed, the steam outlet is opened according to the third preset number, and the first preset number>the second preset number>the third preset number.

[0077] 2105. The defrost water is heated and vaporized according to the humidification control scheme to generate hot water vapor.

[0078] 2106. After the indoor room is humidified by the first humidification scheme, the second humidification scheme or the third humidification scheme, if the humidity difference is adjusted to within the specified numerical range, the fourth humidification scheme is executed. The fourth humidification scheme controls the water pump to run at a low power, controls the current passing through the electrode to be a fourth current value, stops energizing the electrodes after running for a first predetermined time, and stops the water pump from delivering defrost water to the vaporization device.

[0079] 2107. At the end of each defrosting operation and when switching to the heating mode, execute the second humidification scheme for a second predetermined time.

[0080] 2108. Send hot water vapor into the room through the air outlet to humidify the indoor air.

[0081] In a specific embodiment, when heating is in operation, heat is continuously input into the room, and the indoor humidity will decrease. According to research, the ideal range of indoor environmental humidity is 40%-60%, and the best range is 40%-50% in winter. In order to ensure the indoor humidity is at the best, a certain humidity compensation needs to be performed when the air conditioner is in operation, and the room needs to be humidified while heating. This application intends to collect the defrost water generated during heating operation and use it to humidify the room.

[0082] First, the defrost water produced is collected in the defrost water area of ​​the water storage tank. At this time, the defrost water can be left still, and the impurities carried in the defrost water are deposited at the bottom. There are a pressure sensor and a pressure switch valve at the bottom of the water tank. The pressure sensor is used to control the flow of the water pump. The pressure switch valve is used to prevent too much water in the defrost water area from remaining in the condensation water area. When the water pressure is too high, the pressure switch valve will open, and the impurities deposited at the bottom will flow out of the water tank with the water.

[0083] A pressure switch valve is provided at the bottom of the defrost water area of ​​the water storage tank. When the water pressure in the pipeline reaches a preset value, the valve automatically opens or closes to achieve automatic control.

[0084] For the water in the water tank, the water pressure can be calculated by the following formula:

[0085] P = ρ·g·h, where:

[0086] P is the water pressure, usually in Pascal (Pa) or bar.

[0087] ρ is the density of water, which is about 1000 kg / m3 (kg / m 3 ).

[0088] g is the acceleration due to gravity, which is about 9.81 m / s2 (m / s 2 ).

[0089] h is the height of the water column in meters (m).

[0090] After standing for one time, the defrost water is pumped by the water pump to the filter device for secondary filtration, sterilization and deodorization. The water treated by the filter device flows through the secondary sterilization and vaporization device for vaporization and humidification. After the water is heated and vaporized, it stays in the indoor unit of the air conditioner along the humidification pipeline. There is a steam release port on the lower side of the air outlet. The humidified steam escapes from here and mixes with the outlet air to achieve the purpose of indoor humidification. Because the water vapor is pre-heated and has a certain temperature, it can avoid the outlet air temperature being significantly reduced when mixed with the outlet air, affecting comfort. Among them, the water condensed by heat exchange with the environment in the humidification pipeline is acted on the lower side of the pipe by gravity, and finally flows to the water sump of the indoor unit and circulates to the outdoor unit.

[0091] In some alternative embodiments, see Figure 7 The air conditioning control method further includes a heat exchanger cooling control 22, and the heat exchanger cooling control 22 includes:

[0092] 2201. Determine the atomization control scheme based on the pressure in the condensate storage area.

[0093] In some alternative embodiments, see Figure 8 , 2201 can be achieved through, but not limited to, the following process:

[0094] 22011. If the pressure in the condensed water storage area is greater than the first pressure value, the first atomization scheme is executed. The first atomization scheme controls the water pump to run at a high power, and the atomizer atomizes the condensed water at a first atomization rate.

[0095] 22012. If the pressure in the condensed water storage area is less than the first pressure value but greater than the second pressure value, the second atomization scheme is executed. The second atomization scheme controls the water pump to operate at mid-range power, and the atomizer atomizes the condensed water at a second atomization rate.

[0096] 22013. If the pressure in the condensate water storage area is less than the second pressure value, the third atomization scheme is executed. The third atomization scheme controls the water pump to operate at low power, and the atomizer atomizes the condensate water at a third atomization rate. The first atomization rate < the second atomization rate < the third atomization rate.

[0097] 2202. If the outdoor ambient temperature is greater than the preset temperature value, the operating speed of the atomizer in the atomization control scheme is increased by one level.

[0098] 2203. Atomize the condensed water according to the atomization control scheme to generate cold water vapor.

[0099] In this embodiment, condensed water generated by refrigeration is collected and used for cleaning the outdoor unit heat exchanger and enhancing heat dissipation, while assisting the compressor in heat dissipation and improving compressor efficiency.

[0100] Specifically, the condensed water can be atomized by an atomizer arranged above the heat exchanger.

[0101] 2204. Spray cold water vapor onto the outdoor heat exchanger to cool and clean the outdoor heat exchanger.

[0102] 2205. The unconsumed portion of condensed water sprayed onto the heat exchanger flows from the heat exchanger to the chassis and is finally collected in the defrost water area of ​​the water storage tank.

[0103] In one specific embodiment, see Figure 4 During the air conditioning refrigeration operation, when air flows through the heat exchange pipe, the surface temperature of the heat exchange pipe is lower than the air dew point temperature, and the water vapor in the air condenses to produce water. Direct discharge will lead to the waste of latent cooling carried by the condensed water. Therefore, the condensed water is collected and reused.

[0104] First, the generated condensed water is collected in the condensed water area of ​​the outdoor water storage tank 4, and the condensed water is used as a cooling medium to dissipate the heat of the compressor cavity through forced circulation, and then flows through the pipeline to the condensed water atomizer (the atomization rate and atomization degree of the atomizer are adjustable) arranged above the heat exchanger. The atomizer adjusts the atomization degree according to the outer ring temperature, and then sprays it to the air inlet side of the heat exchanger. Part of the atomized condensed water precools the incoming air, and part falls on the condenser to enhance the heat exchange. The speed of the external fan remains unchanged to improve the system performance; and the sprayed water can play a role in cleaning the heat exchanger. At the same time, the condensed water is used to precool the outlet air to reduce the heat discharged into the atmosphere by the air conditioner outdoor unit. The unconsumed part of the condensed water sprayed to the heat exchanger is retained from the heat exchanger to the chassis, and finally collected in the defrosting water area of ​​the water storage tank.

[0105] Among them, two pressure sensors are arranged at the bottom of the water tank to collect the forced circulation of condensed water, which are used to judge the change of water pressure and adjust the flow rate of condensed water outflow according to the change of water pressure in the water tank:

[0106] When the water pressure P>P1, the water pump runs at high power;

[0107] When the water pressure P2<P<P1, the water pump runs at mid-range power;

[0108] When the water pressure P<P2, the water pump runs at low power.

[0109] When the condensed water flows through the compressor cavity for heat dissipation, it takes away the heat generated by the compressor operating parts, and the condensed water temperature rises. Then it flows along the pipeline to the condensed water atomizer (the atomization rate and atomization degree of the atomizer are adjustable) set above the heat exchanger. When the water pressure P<P2 and the water pump runs at low power, the atomizer atomizes at gear 1 and then sprays to the air inlet side of the heat exchanger. Part of the atomized condensed water precools the air inlet, and part falls on the condenser to enhance heat exchange; the speed of the external fan remains unchanged. When the water pressure P2<P<P1 and the water pump runs at mid-range power, the condensed water flow rate increases, the atomizer atomizes at gear 2, and the atomization rate increases; the speed of the external fan increases ▲R1 on the basis of the current operation. When the water pressure P>P1 and the water pump runs at high power, the atomizer performs atomization at gear 3, the atomization rate increases, but the atomization degree decreases, and the atomized water particles are slightly larger than the previous mode. At this time, part of the condensed water enhances heat exchange, and part of it condenses on the heat exchanger and flows downward. The condensed water flowing through the fins takes away the dust on the fins. Because it carries dirt, this part of the condensed water will flow to the defrost water area and be filtered and reused; the speed of the external fan increases ▲R1 on the basis of the current operation.

[0110] Among them, the opening of the atomizer and the degree of atomization are also controlled by the outer ring temperature:

[0111] When the outdoor ambient temperature Touter ring is less than 35℃, the atomizer gear position maintains the above control;

[0112] When the outdoor ambient temperature Touter ring>35℃, the atomizer gear will increase by one gear from the original gear, that is, gear 1→gear 2, gear 2→gear 3, gear 3→maximum gear.

[0113] When running in cooling mode, the machine is turned on to obtain the current indoor environmental humidity. When the user requires indoor humidification, the water pump 12 draws water from the water tank and diverts a part of the water to the humidification module to humidify the room.

[0114] To facilitate the reader's understanding, the method of this embodiment is described in detail below:

[0115] When the machine is turned on, the indoor humidity is detected. When the indoor humidity is greater than 60%, humidification is not performed. After running for 30 minutes, it is determined whether humidification is needed again. When the humidity is between 40% and 60% when the machine is turned on, humidification is not started. When the humidity is less than 35% when the machine is turned on, humidification needs to be started. At this time, if there is no defrost water reserve when the machine is just turned on, the water pump is controlled to draw water from the condensation water area for humidification.

[0116] During the heating operation, a temperature and humidity sensor is arranged at the return air outlet of the indoor unit to detect the indoor humidity in real time. If the user sets the humidity when the machine is turned on, the difference between the indoor humidity and the set humidity is calculated in real time. If it is not set, 60% humidity is used as the target to control the vaporization amount of the electrode humidification device.

[0117] Start humidification, and the water pump runs to force the water in the defrost water area to circulate and filter, and then send it to the vaporization device for heating, sterilization and vaporization.

[0118] ① When the indoor humidity is less than the set humidity or 60% humidity, and the humidity difference is greater than △D1, the water pump runs at high power, increasing the amount of liquid in the electrode humidification device, and at the same time increasing the current passing through the electrode to A1, increasing the amount of vaporized steam, and at this time, the humidification steam escape outlet at the air outlet opens 3 grids.

[0119] ② When the indoor humidity is less than the set humidity or 60% humidity, and △D2 is less than the humidity difference and less than △D1, the water pump runs at mid-range power, the amount of liquid in the electrode humidification device is increased, and the current passing through the electrode is controlled to be A2. The amount of vaporized steam is slightly reduced, and the humidification steam escape outlet at the air outlet is opened by 2 grids.

[0120] ③ When the indoor humidity is less than the set humidity or 60% humidity, and the humidity difference is less than △D2, the humidity difference is small, the amount of steam required is small, the water pump runs at low power, and the current passing through the electrode is controlled to be A3. At this time, the humidification steam escape outlet at the outlet is opened by 1 grid.

[0121] After executing the above control, when the humidity difference between the detected indoor humidity and the set humidity or 60% humidity is within ±1%-2%, the water pump is controlled to run at low power, the current passing through the electrode is controlled to be A4, the humidification steam escape outlet at the air outlet is opened by 1 grid, and after running for 3min-5min, the electrode is stopped from being energized, boiling and vaporization are stopped, and the water pump stops delivering defrost water to the secondary sterilization and vaporization device.

[0122] In addition, after each defrost, when switching to hot operation, start the various components of the humidification module to humidify the room, the water pump runs at mid-range power, and the collected defrost water is pumped to the filter device for filtration and sterilization to ensure the amount of water in the electrode humidification device. The current passing through the electrode is controlled to be A2, and the humidification steam escape outlet at the air outlet is opened by 2 grids. Steam is stably delivered to the room for 3min-5min, and then it is switched to normal humidification control.

[0123] The air conditioner control method provided in the present embodiment includes humidification control, and the humidification control includes: heating and vaporizing the defrost water to generate hot water vapor; sending the hot water vapor into the room through the air outlet to humidify the indoor air. The method uses the hot water vapor generated by the defrost water to humidify the indoor air. Since the temperature of the hot water vapor is relatively high, not only does the temperature of the air flow at the air outlet not decrease due to humidification, but the air flow at the air outlet can also be heated. Therefore, while humidifying the indoor room, the heating efficiency of the air conditioner can be effectively improved. The condensed water can also be atomized to generate cold water vapor, and the cold water vapor can be sprayed onto the outdoor unit heat exchanger to cool and clean the outdoor unit heat exchanger.

[0124] To implement the above method, see Fig. 9 The embodiment of the present invention further provides an air conditioner control device, including a humidification control unit 91, the humidification control unit 91 includes:

[0125] The defrost water vaporization module 911 is used to heat and vaporize the defrost water to generate hot water vapor.

[0126] The humidification module 912 is used to send hot water vapor into the room through the air outlet to humidify the indoor air.

[0127] The air conditioner control device provided in this embodiment includes humidification control, and the humidification control includes: heating and vaporizing defrost water to generate hot water vapor; sending the hot water vapor into the room through the air outlet to humidify the indoor air. This method uses the hot water vapor generated by the defrost water to humidify the room. Since the temperature of the hot water vapor is relatively high, not only does the temperature of the air flow at the air outlet not decrease due to humidification, but the air flow at the air outlet can also be heated. Therefore, it is possible to effectively improve the heating efficiency of the air conditioner while humidifying the room.

[0128] Based on the above embodiments, the present invention provides another air conditioner control device. Fig.10 , including a humidification control unit 101, the humidification control unit 101 includes:

[0129] The defrost water vaporization module 1011 is used to heat and vaporize the defrost water to generate hot water vapor.

[0130] The humidification module 1012 is used to send hot water vapor into the room through the air outlet to humidify the indoor air.

[0131] The filtering module 1013 is used to filter the obtained defrost water to remove impurities in the defrost water.

[0132] Specifically, the filtration module 1013 filters the obtained defrost water through a filtration device, which includes a four-layer structure of a mesh filter or a coarse filter, activated carbon, PP cotton and a reverse osmosis membrane in sequence. The defrost water enters the filtration device through the mesh filter or the coarse filter, and flows out of the filtration device through the reverse osmosis membrane.

[0133] In some optional embodiments, the defrost water vaporization module 1011 heats and vaporizes the defrost water by means of electrode heating.

[0134] The humidification start control module 1014 is used to determine whether to trigger the humidification control start signal according to the indoor humidity value and the set humidity value, and filter the obtained defrost water: after the humidification control start signal is triggered, filter the obtained defrost water.

[0135] The humidification scheme determination module 1015 is used to determine the humidification control scheme according to the humidity difference between the indoor humidity value and the set humidity value. The defrost water vaporization module heats and vaporizes the defrost water according to the humidification control scheme.

[0136] In some optional embodiments, the humidification start control module 1014 includes:

[0137] The indoor humidity detection submodule 10141 is used to detect the current indoor humidity in real time when the air conditioner is turned on.

[0138] The humidification start control submodule 10142 is used to periodically detect whether the indoor humidity is less than the first preset humidity value at preset time intervals if the current indoor humidity is not less than the first preset humidity value. If the indoor humidity is detected to be less than the first preset humidity value, the humidification control start signal is triggered. If the current indoor humidity is less than the second preset humidity value, the humidification control start signal is directly triggered.

[0139] In some optional embodiments, the humidification scheme determination module 1015 includes:

[0140] The first humidification scheme submodule 10151 is used to execute the first humidification scheme if the humidity difference is greater than the first set humidity value. The first humidification scheme generates a large amount of hot water vapor.

[0141] The second humidification scheme submodule 10152 is used to execute the second humidification scheme if the humidity difference is between the first set humidity value and the second set humidity value. The second humidification scheme produces a medium amount of hot water vapor, and the first set humidity value> the second set humidity value.

[0142] The third humidification scheme submodule 10153 is used to execute the third humidification scheme if the humidity difference is less than the second set humidity value. The third humidification scheme generates a small amount of hot water vapor.

[0143] The fourth humidification scheme submodule 10154 is used to execute the fourth humidification scheme if the humidity difference is adjusted to within the specified numerical range after the indoor humidification scheme is used. The fourth humidification scheme controls the water pump to run at a low power level, controls the current passing through the electrode to be a fourth current value, stops energizing the electrodes after running for a first predetermined period of time, and stops the water pump from delivering defrost water to the vaporization device.

[0144] In some optional embodiments, the air conditioner outdoor unit is provided with a water tank, the water tank is provided with a defrost water storage area, the water tank is provided with a water pump, after the humidification control is started, the air conditioner outdoor unit is provided with a vaporization device, the defrost water is pumped from the defrost water storage area into the vaporization device through the water pump, the vaporization device is provided with electrodes, and the defrost water is heated and vaporized by electrode heating in the vaporization device.

[0145] In some optional embodiments, the first humidification scheme is: controlling the water pump to operate at a high-end power, greatly increasing the amount of defrosting water in the vaporization device, and controlling the current passing through the electrode to be a first current value, the first current value> a first preset current value;

[0146] In some optional embodiments, the second humidification scheme is: control the water pump to operate at mid-range power, increase the amount of defrost water in the vaporization device appropriately, control the current passing through the electrode to a second current value, and the first preset current value>the second current value>the second preset current value.

[0147] In some optional embodiments, the third humidification scheme is: controlling the water pump to operate at a low power, controlling the current passing through the electrode to be a third current value, and the third current value < the second preset current value.

[0148] In some optional embodiments, the humidification scheme determination module 1015 further includes:

[0149] The fifth humidification scheme submodule 10155 is used to execute the second humidification scheme for the second predetermined time period each time when the defrosting mode is switched to the heating mode.

[0150] In some optional embodiments, the air outlet of the indoor unit of the air conditioner is provided with a steam release outlet, and the steam release outlet includes a plurality of steam outlets.

[0151] In some optional embodiments, when executing the first humidification scheme, the first humidification scheme submodule opens the steam outlets according to a first preset number.

[0152] In some optional embodiments, when executing the second humidification scheme, the second humidification scheme submodule opens the steam outlets according to the second preset number.

[0153] In some optional embodiments, when executing the third humidification scheme and the fourth humidification scheme, the third humidification scheme submodule opens the steam outlet according to the third preset number, and the first preset number>the second preset number>the third preset number.

[0154] In some optional embodiments, the humidification control unit 101 further includes:

[0155] The defrost water volume detection module 1016 is used to detect whether the defrost water volume in the defrost water storage area has reached a preset water volume value. If not, the water pump is controlled to extract condensed water from the condensed water storage area for humidification control.

[0156] See also Fig.11 The device further includes a heat exchanger cooling control unit 102, and the heat exchanger cooling control unit 102 includes:

[0157] The condensed water atomization module 1021 is used to atomize the condensed water to generate cold water vapor. Specifically, the condensed water can be atomized by an atomizer arranged above the heat exchanger.

[0158] The heat dissipation module 1022 is used to spray cold water vapor to the outdoor heat exchanger to cool and clean the outdoor heat exchanger.

[0159] In some optional embodiments, the water storage tank is further provided with a condensed water storage area, and the heat exchanger cooling control unit 102 includes:

[0160] The atomization control module 1023 is used to determine an atomization control scheme according to the pressure in the condensed water storage area, and atomize the condensed water according to the atomization control scheme.

[0161] In some optional embodiments, the water pump is also used to control the circulation of condensed water, and the atomization control scheme is determined according to the pressure in the condensed water storage area, including:

[0162] If the pressure in the condensed water storage area is greater than the first pressure value, the atomization control module executes a first atomization scheme, the first atomization scheme controls the water pump to operate at a high power, and the atomizer atomizes the condensed water at a first atomization rate.

[0163] If the pressure in the condensed water storage area is less than the first pressure value and greater than the second pressure value, the atomization control module executes the second atomization scheme, the second atomization scheme controls the water pump to operate at mid-range power, and the atomizer atomizes the condensed water at a second atomization rate.

[0164] If the pressure in the condensed water storage area is less than the second pressure value, the atomization control module executes the third atomization scheme, the third atomization scheme controls the water pump to operate at low power, and the atomizer atomizes the condensed water according to the third atomization rate, and the first atomization rate < the second atomization rate < the third atomization rate.

[0165] In some optional embodiments, if the outdoor ambient temperature is greater than a preset temperature value, the atomization control module increases the operating speed of the atomizer in the atomization control scheme by one level.

[0166] In some optional embodiments, the unconsumed portion of condensed water sprayed to the heat exchanger flows from the heat exchanger to the bottom plate and is finally collected in the defrost water area of ​​the water storage tank.

[0167] The air conditioner control device provided in this embodiment includes a humidification control, which heats and vaporizes the defrost water to generate hot water vapor; the hot water vapor is sent into the room through the air outlet to humidify the indoor air. The method uses the hot water vapor generated by the defrost water to humidify the indoor air. Since the temperature of the hot water vapor is relatively high, not only does the outlet air flow temperature not decrease due to humidification, but the outlet air flow temperature can also be increased. Therefore, while humidifying the indoor air, the heating efficiency of the air conditioner can be effectively improved. The method also includes a heat exchanger cooling control unit, which includes: a condensation water atomization module, which atomizes the condensation water to generate cold water vapor, and sprays the cold water vapor onto the outdoor unit heat exchanger to cool and clean the outdoor unit heat exchanger.

[0168] Based on the same inventive concept, Fig.12 As shown, the present application also provides an air conditioner, comprising:

[0169] at least one processor 121 and at least one memory 122;

[0170] The memory stores executable instructions for the processor;

[0171] The processor is configured to execute the air conditioner control method provided in the above embodiment.

[0172] The identity recognition system provided by the embodiment of the present application stores executable instructions of the processor through a memory, and when the executable instructions are executed, the processor can.

[0173] It should be noted that, in the description of this application, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of this application, unless otherwise specified, the meaning of "plurality" refers to at least two.

[0174] It can be understood that the same or similar parts of the above embodiments can be referenced to each other, and the contents not described in detail in some embodiments can refer to the same or similar contents in other embodiments.

Claims

1. An air conditioner control method, characterized in that: Comprising humidification control, the humidification control comprising: Heat and vaporize the defrost water to generate hot water vapor; The hot water vapor is sent into the room through the air outlet to humidify the indoor air.

2. The method according to claim 1, characterized in that: It also includes heat exchanger temperature reduction control, and the heat exchanger temperature reduction control includes: Atomize the condensed water to produce cold water vapor; The cold water vapor is sprayed toward the outdoor heat exchanger to cool and clean the outdoor heat exchanger.

3. The method according to claim 2, characterized in that: Before heating and vaporizing the defrost water, the humidification control further includes: The obtained defrost water is filtered to remove impurities in the defrost water.

4. The method according to claim 3, characterized in that: The obtained defrost water is filtered by a filtering device, which comprises a four-layer structure of a mesh filter or a coarse filter, activated carbon, PP cotton and a reverse osmosis membrane in sequence. The defrost water enters the filtering device through the mesh filter or the coarse filter and flows out of the filtering device through the reverse osmosis membrane.

5. The method according to claim 1, characterized in that: The step of heating and vaporizing the defrost water comprises: heating and vaporizing the defrost water by means of electrode heating.

6. The method according to claim 1, characterized in that: Before filtering the obtained defrost water, the humidification control further includes: Determine whether to trigger a humidification control start signal according to the indoor humidity value and the set humidity value; The filtering process of the obtained defrost water is as follows: after the humidification control start signal is triggered, the obtained defrost water is filtered.

7. The method according to claim 6, characterized in that: Before heating and vaporizing the defrost water, the humidification control further includes: Determine the humidification control scheme according to the humidity difference between the indoor humidity value and the set humidity value; The defrost water is heated and vaporized as follows: the defrost water is heated and vaporized according to the humidification control scheme.

8. The method according to claim 7, characterized in that: The humidification control scheme determined based on the humidity difference between the indoor humidity value and the set humidity value includes: If the humidity difference is greater than a first set humidity value, a first humidification scheme is executed, wherein the first humidification scheme generates a large amount of hot water vapor; If the humidity difference is between the first set humidity value and the second set humidity value, a second humidification scheme is executed, wherein the second humidification scheme generates a medium amount of hot water vapor, and the first set humidity value is greater than the second set humidity value; If the humidity difference is less than the second set humidity value, a third humidification scheme is executed, wherein a small amount of hot water vapor is generated.

9. The method according to claim 8, characterized in that: The air conditioner outdoor unit is provided with a water storage tank, the water storage tank is provided with a defrost water storage area, the water storage tank is provided with a water pump, the air conditioner outdoor unit is provided with a vaporization device, after the humidification control is started, the defrost water is pumped from the defrost water storage area into the vaporization device by the water pump, the vaporization device is provided with electrodes, and the defrost water is heated and vaporized in the vaporization device by electrode heating; The first humidification scheme is: controlling the water pump to operate at a high-end power, greatly increasing the amount of defrosting water in the vaporization device, and controlling the current passing through the electrode to be a first current value, the first current value being greater than a first preset current value; The second humidification scheme is: controlling the water pump to operate at a mid-range power, appropriately increasing the amount of defrosting water in the vaporization device, controlling the current passing through the electrode to be a second current value, and the first preset current value> the second current value> the second preset current value; The third humidification scheme is: controlling the water pump to operate at a low power, controlling the current passing through the electrode to be a third current value, and the third current value is less than the second preset current value.

10. The method according to claim 9, characterized in that The humidification control scheme determined based on the humidity difference between the indoor humidity value and the set humidity value also includes: After the indoor room is humidified by the first humidification scheme, the second humidification scheme or the third humidification scheme, if the humidity difference is adjusted to within the specified numerical range, the fourth humidification scheme is executed, and the fourth humidification scheme controls the water pump to operate at a low power level, controls the current passing through the electrode to be a fourth current value, stops energizing the electrode after running for a first predetermined period of time, and the water pump stops delivering defrost water to the vaporization device.

11. The method according to claim 10, characterized in that Before determining the humidification control scheme according to the humidity difference between the indoor humidity value and the set humidity value, the humidification control further includes: At the end of each defrosting operation and when the operation is switched to the heating mode, the second humidification scheme is executed for a second predetermined time period.

12. The method according to claim 11, characterized in that The air outlet of the air conditioner is provided with a steam release port, and the steam release port includes a plurality of steam outlets; When executing the first humidification scheme, opening the steam outlet according to a first preset number; When executing the second humidification scheme, opening the steam outlet according to a second preset number; When the third humidification scheme and the fourth humidification scheme are executed, the steam outlet is opened according to a third preset number, and the first preset number>the second preset number>the third preset number.

13. The method according to any one of claims 2 to 12, characterized in that: The condensed water is atomized by an atomizer arranged above the heat exchanger.

14. The method according to claim 13, characterized in that The water storage tank is also provided with a condensed water storage area. Before the condensed water is atomized, the heat exchanger temperature reduction control includes: Determining an atomization control scheme according to the pressure in the condensed water storage area; The atomizing the condensed water includes: atomizing the condensed water according to the atomization control scheme.

15. The method according to claim 14, characterized in that The water pump is also used to control the circulation of condensed water, and the atomization control scheme is determined according to the pressure in the condensed water storage area, including: If the pressure in the condensed water storage area is greater than a first pressure value, a first atomization scheme is executed, wherein the first atomization scheme controls the water pump to operate at a high power level, and the atomizer atomizes the condensed water at a first atomization rate; If the pressure in the condensed water storage area is less than the first pressure value and greater than the second pressure value, a second atomization scheme is executed, wherein the second atomization scheme controls the water pump to operate at a mid-range power, and the atomizer atomizes the condensed water at a second atomization rate; If the pressure in the condensed water storage area is less than the second pressure value, the third atomization scheme is executed. The third atomization scheme controls the water pump to operate at low power, and the atomizer atomizes the condensed water at a third atomization rate. The first atomization rate < the second atomization rate < the third atomization rate.

16. The method according to claim 15, characterized in that Determining the atomization control scheme according to the pressure in the condensed water storage area also includes: If the outdoor ambient temperature is greater than the preset temperature value, the operating speed of the atomizer in the atomization control scheme is increased by one level.

17. The method according to claim 16, characterized in that Determining whether to trigger the humidification control start signal according to the indoor humidity value and the set humidity value includes: When the air conditioner is turned on, the current indoor humidity is detected in real time; If the current indoor humidity is not less than the first preset humidity value, periodically detect whether the indoor humidity is less than the first preset humidity value at a preset time interval, until the indoor humidity is detected to be less than the first preset humidity value, triggering a humidification control start signal; If the current indoor humidity is less than the second preset humidity value, the humidification control start signal is directly triggered.

18. The method according to claim 17, characterized in that Before filtering the obtained defrost water, the humidification control further includes: Detecting whether the amount of defrost water in the defrost water storage area reaches a preset water amount value; If not reached, the water pump is controlled to extract condensed water from the condensed water storage area for the humidification control.

19. The method according to claim 18, characterized in that The unconsumed part of the condensed water sprayed to the heat exchanger flows from the heat exchanger to the chassis, and is finally collected in the defrosting water area of ​​the water storage tank.

20. An air conditioner control device, characterized in that: A humidification control unit is included, and the humidification control unit includes: The defrost water vaporization module is used to heat and vaporize the defrost water to generate hot water vapor; The humidification module is used to send the hot water vapor into the room through the air outlet to humidify the indoor air.

21. An air conditioner, characterized in that: include: at least one processor and at least one memory; The memory stores executable instructions of the processor; The processor is configured to execute the air conditioner control method according to any one of claims 1-19.

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