CN117433148B - Condensate water recycling method, condensate water recycling device and air conditioner - Google Patents
Condensate water recycling method, condensate water recycling device and air conditioner Download PDFInfo
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- CN117433148B CN117433148B CN202311769728.6A CN202311769728A CN117433148B CN 117433148 B CN117433148 B CN 117433148B CN 202311769728 A CN202311769728 A CN 202311769728A CN 117433148 B CN117433148 B CN 117433148B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 664
- 238000004064 recycling Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000003860 storage Methods 0.000 claims abstract description 70
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 238000007599 discharging Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000001704 evaporation Methods 0.000 claims abstract description 8
- 230000008020 evaporation Effects 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 238000002309 gasification Methods 0.000 claims abstract description 5
- 230000003111 delayed effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 29
- 230000017525 heat dissipation Effects 0.000 description 19
- 239000003507 refrigerant Substances 0.000 description 19
- 238000005057 refrigeration Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 239000002699 waste material Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000004781 supercooling Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention provides a condensate water recycling method, a condensate water recycling device and an air conditioner, wherein the condensate water recycling method comprises the following steps: collecting: collecting condensed water generated by an indoor unit of an air conditioner by utilizing a water storage tank; a first utilization step: introducing at least a part of condensed water in the water storage tank to an electric device of an outdoor unit of the air conditioner; the circulation steps are as follows: the condensate water passing through the electrical equipment is stored by utilizing the water receiving disc, and the condensate water is driven to circulate between the water receiving disc and the electrical equipment; and an evaporation and discharge step: discharging condensed water after heat absorption and gasification; and atomizing and discharging: when the water level in the water receiving disc is larger than the first set water level, the condensed water in the water receiving disc is atomized and then discharged. The invention realizes the efficient and continuous cooling of the outdoor unit electrical equipment, so that the condensed water can be discharged in the form of gaseous or atomized small liquid drops, and the direct pollution of the liquid condensed water to the outer wall of the building is avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a condensate water recycling method, a condensate water recycling device and an air conditioner.
Background
With the development of economy and society and the improvement of the living standard of people, the application range of the refrigerating air conditioner is wider and wider, and the household air conditioner enters thousands of households, but the popularization of the air conditioner also threatens the living environment of people. The condensed water generated by the air conditioner is regarded as wastewater to be discharged outdoors at will, which not only affects the appearance of the building and damages the living environment of residents, but also causes a large amount of waste heat to be discharged into the air under the condition of high temperature in summer, thereby aggravating the heat island effect of cities.
In the prior art, most of condensed water generated by the operation of an air conditioner is directly discharged outdoors, and the condensed water is treated as waste water although the condensed water is intensively discharged or singly discharged to a toilet, a kitchen sewer and the like, so that waste is caused; because of the formation conditions, the condensed water of the air conditioner has relatively good water quality, and is discharged to the outdoor or sewer pipeline at will, so that not only is the water resource wasted, but also great inconvenience is brought to the life of people. The surface temperature of the evaporator coil is about 7 ℃ to 12 ℃ during refrigeration, the water temperature of condensed water is generally 10 ℃ to 15 ℃, and the water temperature can be used as an auxiliary cold source in summer; when the air conditioner operates in a refrigerating or dehumidifying mode, the higher the outdoor environment temperature is, the longer the operation time is, and the more condensate water is generated, if the generated condensate water can be collected and utilized, the cold energy loss contained in the condensate water can be reduced, and the pollution to the outer wall of the building can be reduced.
Disclosure of Invention
The invention provides a condensate water recycling method, a condensate water recycling device and an air conditioner, which are used for solving the problem that the air conditioner in the prior art cannot effectively recycle and utilize condensate water.
In order to solve the above problems, according to an aspect of the present invention, there is provided a condensate water recycling method comprising the steps of: collecting: collecting condensed water generated by an indoor unit of an air conditioner by utilizing a water storage tank; a first utilization step: introducing at least a part of condensed water in the water storage tank into an electric device of an outdoor unit of the air conditioner to cool the electric device; the circulation steps are as follows: the condensate water passing through the electrical equipment is stored by utilizing the water receiving disc, and the condensate water is driven to circulate between the water receiving disc and the electrical equipment; and an evaporation and discharge step: discharging condensed water after heat absorption and gasification; and atomizing and discharging: detecting the water level of the condensed water in the water receiving disc, and when the water level in the water receiving disc is larger than a first set water level, atomizing the condensed water in the water receiving disc and then discharging.
Further, the condensed water recycling method further includes a second utilization step including: and detecting the exhaust temperature of the compressor of the outdoor unit, and controlling part of condensed water to be conveyed to the compressor to cool the compressor when the exhaust temperature is greater than or equal to the exhaust set temperature.
Further, the first utilizing step includes: detecting the water level of condensed water in a water storage tank, and controlling the condensed water to enter the electric equipment at a first flow rate when the water level is smaller than a first water storage height; when the water level is higher than or equal to the first water storage height and lower than the second water storage height, controlling condensed water to enter the electric equipment at a second flow rate; when the water level is greater than or equal to the second water storage height, controlling condensed water to enter the electric equipment at a third flow rate; wherein the first flow is less than the second flow, and the second flow is less than the third flow.
Further, the cycling step includes: detecting the water level of condensed water in the water receiving disc, and controlling the condensed water in the water receiving disc to circulate between the electrical equipment and the water receiving disc at a small flow rate when the water level is smaller than or equal to a first set water level; when the water level is larger than the first set water level and smaller than or equal to the second set water level, controlling condensed water in the water receiving disc to circulate between the electrical equipment and the water receiving disc at a medium flow rate; when the water level is higher than the second set water level, controlling the condensed water in the water receiving disc to circulate between the electrical equipment and the water receiving disc at a large flow rate; wherein, the small flow is smaller than the medium flow, and the medium flow is smaller than the large flow.
Further, the atomizing discharging step includes: detecting the water level of the condensed water in the water receiving disc, and when the water level is smaller than or equal to a first set water level, controlling an atomizer for atomizing the condensed water to be closed; when the water level is larger than the first set water level and smaller than or equal to the second set water level, controlling the atomizer to atomize the condensed water in the water receiving tray at the first gear and then discharging the atomized condensed water; when the water level is larger than the second set water level, controlling the atomizer to atomize the condensed water in the water receiving tray at the second gear and then discharging the atomized condensed water; wherein the power of the atomizer in the first gear is smaller than the power of the atomizer in the second gear.
Further, the condensate water recycling method further comprises a delayed shutdown step, and the delayed shutdown step comprises the following steps: when the air conditioner is shut down, detecting the water level of the condensed water in the water receiving disc, and when the water level is greater than or equal to a second set water level, controlling the atomizer to be closed after delaying working for a period of time so as to reduce the water level of the condensed water in the water receiving disc; wherein the second set water level is higher than the first set water level.
According to another aspect of the present invention, there is provided a condensate water recycling apparatus, which is applied to the condensate water recycling method described above, the condensate water recycling apparatus being used in an air conditioner, comprising: the water storage tank is used for collecting condensed water generated by the indoor unit of the air conditioner; an electric cooling assembly disposed at an electric device of an outdoor unit of the air conditioner; the electric cooling assembly is internally provided with a first circulating channel which is communicated with the water storage tank through a pipeline so as to circulate condensed water; the electrical cooling assembly is in contact with the electrical equipment to cool the electrical equipment; the water receiving disc is arranged at the bottom of the outdoor unit and is communicated with the first circulating channel through a pipeline, and the water receiving disc is used for containing condensed water; and the atomizer is communicated with the water receiving disc through a pipeline and is used for atomizing and then discharging the condensed water in the water receiving disc.
Further, the water storage tank is arranged above the outdoor unit, and the first circulating channel is coiled in a serpentine manner in the electric cooling assembly; condensed water in the water storage tank enters the water receiving disc along the first circulating channel under the action of gravity; the condensed water recycling device also comprises a circulating water pump which is communicated with the water receiving disc through a pipeline; the electric cooling assembly is internally provided with a second circulating channel, and an inlet and an outlet of the second circulating channel are respectively communicated with the water receiving disc and the circulating water pump through pipelines; the circulating water pump drives condensed water in the water receiving disc to circulate along the second circulating channel so as to cool the electric cooling assembly.
Further, the electric cooling component is of a plate-shaped structure; the second circulating channel is coiled in a serpentine manner in the electric cooling assembly and is arranged at intervals with the first circulating channel; the outlet of the second circulation channel is communicated with the outlet of the first circulation channel to jointly form a liquid outlet on the electric cooling assembly; the inlet of the first circulation channel is positioned above the liquid outlet.
Further, a gaseous condensed water outlet is arranged on a pipeline communicated between the liquid outlet and the water receiving disc, and the gaseous condensed water outlet is used for discharging the gaseous condensed water in the pipeline.
Further, the condensed water recycling device also comprises a first flow control valve, wherein the first flow control valve is arranged between the water receiving disc and the electric cooling assembly and is respectively communicated with the water receiving disc and the electric cooling assembly through pipelines; the first flow control valve is used for controlling the condensed water to circulate between the electrical equipment and the water receiving disc at a small flow rate, a medium flow rate or a large flow rate.
Further, the condensed water recycling device also comprises a second flow control valve, wherein the second flow control valve is arranged between the water receiving disc and the atomizer and is respectively communicated with the water receiving disc and the atomizer through pipelines; the second flow control valve is used for controlling the flow of condensed water entering the atomizer.
Further, the condensed water recycling device also comprises a third flow control valve, wherein the third flow control valve is arranged between the water storage tank and the electric cooling assembly and is respectively communicated with the water storage tank and the electric cooling assembly through pipelines; the third flow control valve is used for controlling condensed water to enter the first circulation channel from the water storage tank at a first flow, a second flow or a third flow; the condensed water recycling device also comprises a first water level detector and a second water level detector, wherein the first water level detector is arranged in the water storage tank and is used for detecting the water level of condensed water in the water storage tank; the second water level detector is arranged in the water receiving disc and is used for detecting the water level of condensed water in the water receiving disc.
According to another aspect of the present invention, there is provided an air conditioner including the condensate water recycling apparatus as described above, the air conditioner further including an indoor unit and an outdoor unit, the outdoor unit including an electric device and rotatable blades, the electric device being in contact with an electric cooling assembly to perform heat exchange; the atomizer is arranged at the fan blade, and the atomizer works with the rotating fan blade to discharge atomized condensed water.
Further, the outdoor unit further comprises a first branch, a second branch, a two-way valve, a temperature sensor, a compressor and an exhaust pipe communicated with the compressor, wherein the second branch is wound on the periphery of the compressor and/or the exhaust pipe so as to cool; the temperature sensor is arranged at the exhaust pipe and used for detecting the exhaust temperature of the compressor; the two-way valve is arranged at the communication position of the inlet of the first branch and the inlet of the second branch and is communicated with the outlet of the first circulating channel through a pipeline; the outlet of the first branch and the outlet of the second branch are respectively communicated with the water receiving disc; when the exhaust temperature is greater than or equal to the exhaust set temperature, the two-way valve controls the second branch to be communicated with the outlet of the first circulating channel, and condensed water flows into the water receiving disc after cooling the compressor and/or the exhaust pipe through the second branch; when the exhaust temperature is lower than the exhaust set temperature, the two-way valve controls the first branch to be communicated with the outlet of the first circulating channel, and condensed water directly flows into the water receiving disc through the first branch; the outdoor unit further comprises a one-way valve, and the one-way valve is arranged at the outlet of the second branch and used for preventing condensed water from flowing back along the second branch.
By applying the technical scheme of the invention, the invention provides a condensate water recycling method, which comprises the following steps: collecting: collecting condensed water generated by an indoor unit of an air conditioner by utilizing a water storage tank; a first utilization step: introducing at least a part of condensed water in the water storage tank into an electric device of an outdoor unit of the air conditioner to cool the electric device; the circulation steps are as follows: the condensate water passing through the electrical equipment is stored by utilizing the water receiving disc, and the condensate water is driven to circulate between the water receiving disc and the electrical equipment; and an evaporation and discharge step: discharging condensed water after heat absorption and gasification; and atomizing and discharging: detecting the water level of the condensed water in the water receiving disc, and when the water level in the water receiving disc is larger than a first set water level, atomizing the condensed water in the water receiving disc and then discharging.
The invention realizes the collection of the condensed water by setting the collection step, and avoids the resource waste and the energy waste of the condensed water; by arranging the first utilization step and the circulation step, the collected condensed water is utilized to realize efficient and continuous cooling of the outdoor unit electrical equipment; by arranging the evaporation and discharge step and the atomization and discharge step, the condensed water can be discharged in the form of gaseous or atomized droplets, so that direct pollution of liquid condensed water to the outer wall of a building is avoided, the living environment of residents is protected, and simultaneously, the heat discharged to the atmosphere by an outdoor unit is reduced, thereby being beneficial to reducing the heat island effect of cities; the invention can collect and store the condensed water generated by the indoor unit of the air conditioner, and can drain the condensed water through the components such as the electrical equipment, the exhaust pipe, the compressor and the like by utilizing the height difference, thereby realizing the efficient cooling of the related heat generating components, enhancing the heat dissipation efficiency of the electrical equipment, the exhaust pipe and the compressor to a certain extent, accelerating the heat dissipation, improving the heat dissipation effect and further ensuring the stable operation of the air conditioner; the invention can utilize the condensed water to reduce the exhaust temperature of the compressor when the air conditioner is in a refrigeration mode, thereby reducing the temperature of the refrigerant entering the condenser, leading the temperature of the refrigerant at the outlet of the condenser to be lower after the refrigerant releases heat through the condenser, increasing the supercooling degree of the refrigerant, further improving the refrigeration coefficient of the refrigeration cycle of the air conditioner and improving the system performance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic flow chart of a condensate water recycling method provided by an embodiment of the invention;
Fig. 2 is a schematic view showing a part of the structure of an air conditioner according to an embodiment of the present invention;
fig. 3 shows a schematic view of the internal structure of an electrical cooling assembly provided by an embodiment of the invention.
Wherein the above figures include the following reference numerals:
10. An indoor unit;
20. an outdoor unit; 21. an electrical device; 22. a fan blade; 23. a first branch; 24. a second branch; 25. a two-way valve; 26. a compressor; 27. an exhaust pipe; 28. a one-way valve;
30. a water storage tank;
40. An electrical cooling assembly; 41. a first circulation passage; 42. a second circulation path; 43. a liquid outlet;
50. A water receiving tray;
60. an atomizer;
70. A circulating water pump;
80. a gaseous condensate outlet;
90. a first flow control valve; 100. a second flow control valve; 110. and a third flow control valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, an embodiment of the present invention provides a condensate water recycling method, comprising the steps of: collecting: collecting condensed water generated by an indoor unit 10 of the air conditioner by using a water storage tank 30; a first utilization step: introducing at least a portion of the condensed water in the water storage tank 30 to the electric equipment 21 of the outdoor unit 20 of the air conditioner to cool the electric equipment 21; the circulation steps are as follows: the condensate water passing through the electrical equipment 21 is received by the water receiving tray 50, and the condensate water is driven to circulate between the water receiving tray 50 and the electrical equipment 21; and an evaporation and discharge step: discharging condensed water after heat absorption and gasification; and atomizing and discharging: and detecting the water level of the condensed water in the water receiving disc 50, and when the water level in the water receiving disc 50 is greater than a first set water level, atomizing the condensed water in the water receiving disc 50 and then discharging.
The invention realizes the collection of the condensed water by setting the collection step, and avoids the resource waste and the energy waste of the condensed water; by providing the first utilization step and the circulation step, efficient and continuous cooling of the electric device 21 of the outdoor unit 20 is achieved by utilizing the collected condensed water; by arranging the evaporation and discharge step and the atomization and discharge step, the condensed water can be discharged in the form of gas or atomized into small liquid drops, so that the direct pollution of liquid condensed water to the outer wall of the building is avoided, the living environment of residents is protected, and simultaneously, the heat discharged to the atmosphere by the outdoor unit 20 is reduced, thereby being beneficial to reducing the heat island effect of cities; the invention can collect and store the condensed water generated by the indoor unit 10 of the air conditioner, and can drain the condensed water through the components such as the electrical equipment 21, the exhaust pipe 27, the compressor 26 and the like by utilizing the height difference, thereby realizing the efficient cooling of the related heat generating components, enhancing the heat dissipation efficiency of the electrical equipment 21, the exhaust pipe 27 and the compressor 26 to a certain extent, accelerating the heat dissipation, improving the heat dissipation effect and further ensuring the stable operation of the air conditioner; according to the invention, when the air conditioner is in the refrigeration mode, the condensed water is utilized to reduce the exhaust temperature of the compressor 26, so that the temperature of the refrigerant entering the condenser is reduced, the temperature of the refrigerant at the outlet of the condenser is lower after the refrigerant releases heat through the condenser, the supercooling degree of the refrigerant is increased, the refrigeration coefficient of the refrigeration cycle of the air conditioner is further improved, and the system performance is improved.
Specifically, the condensate water recycling method further includes a second utilization step including: the discharge temperature of the compressor 26 of the outdoor unit 20 is detected, and when the discharge temperature is equal to or higher than the discharge set temperature, a part of condensed water is controlled to be supplied to the compressor 26 to cool the compressor 26. By providing the second utilization step, cooling of the compressor 26 is achieved when the exhaust gas temperature is equal to or higher than the exhaust gas set temperature; the condensed water dissipates heat through the auxiliary compressor 26, so that adverse effects on stable operation of the system caused by overheat phenomenon due to untimely heat release generated by high-speed operation of the compressor 26 are avoided.
It should be noted that: in a specific embodiment of the invention, the second utilizing step comprises: when the discharge temperature of the compressor 26 of the outdoor unit 20 is equal to or higher than the discharge set temperature, a part of condensed water is controlled to be sequentially supplied to the compressor 26 and/or a discharge pipe 27 (for example, a discharge pipe outlet) of the compressor 26 to cool the compressor 26 and/or the discharge pipe 27.
Specifically, the first utilization step includes: detecting the water level of the condensed water in the water storage tank 30, and controlling the condensed water to enter the electric equipment 21 at a first flow rate when the water level is smaller than the first water storage level; when the water level is greater than or equal to the first water storage height and less than the second water storage height, controlling condensed water to enter the electric equipment 21 at a second flow rate; when the water level is greater than or equal to the second water storage level, controlling the condensed water to enter the electric equipment 21 at a third flow rate; wherein the first flow is less than the second flow, and the second flow is less than the third flow. By this arrangement, the flow rate of the condensed water can be finely adjusted according to the difference in the water level of the condensed water in the water storage tank 30.
Specifically, the cycling step includes: detecting the water level of the condensed water in the water receiving disc 50, and controlling the condensed water in the water receiving disc 50 to circulate between the electrical equipment 21 and the water receiving disc 50 at a small flow rate when the water level is smaller than or equal to a first set water level; when the water level is greater than the first set water level and less than or equal to the second set water level, controlling the condensed water in the water receiving tray 50 to circulate between the electrical equipment 21 and the water receiving tray 50 at a medium flow rate; when the water level is greater than the second set water level, controlling the condensed water in the water receiving tray 50 to circulate between the electrical equipment 21 and the water receiving tray 50 at a large flow rate; wherein, the small flow is smaller than the medium flow, and the medium flow is smaller than the large flow. By the arrangement, the flow of the condensed water can be finely adjusted according to different water levels of the condensed water, so that the applicability is improved.
Specifically, the atomizing discharge step includes: detecting the water level of the condensed water in the water receiving tray 50, and controlling the atomizer 60 for atomizing the condensed water to be closed when the water level is less than or equal to a first set water level; when the water level is greater than the first set water level and less than or equal to the second set water level, controlling the atomizer 60 to atomize the condensed water in the water receiving tray 50 at the first gear and then discharging the atomized condensed water; when the water level is greater than the second set water level, controlling the atomizer 60 to atomize the condensed water in the water receiving tray 50 in the second gear and then discharging the atomized condensed water; wherein the power of the atomizer 60 in the first gear is smaller than the power of the atomizer 60 in the second gear. By the arrangement, the discharge of liquid condensed water to the outside of the machine is reduced to the greatest extent.
Optionally, the condensate water recycling method further includes a delayed shutdown step, and the delayed shutdown step includes: when the air conditioner is shut down, detecting the water level of the condensed water in the water receiving disc 50, and when the water level is greater than or equal to a second set water level, controlling the atomizer 60 to be closed after a period of time of delay operation so as to reduce the water level of the condensed water in the water receiving disc 50; wherein the second set water level is higher than the first set water level. By setting the delayed shutdown step, the excessive water level of the condensed water in the water receiving tray 50 can be effectively avoided, and the liquid condensed water is further ensured not to be directly discharged to the outside.
It should be noted that: by the condensate water recycling method, condensate water generated by the air conditioner can be fully utilized for heat dissipation and cooling, the refrigeration operation efficiency of the air conditioner unit is improved, the heat released by the air conditioner to the outside during operation is reduced, and the waste and environmental pollution caused by direct discharge of the condensate water can be effectively reduced.
As shown in fig. 2, the present invention further provides a condensate water recycling apparatus, which is applied to the condensate water recycling method, and is used in an air conditioner, comprising: a water storage tank 30 for collecting condensed water generated from the indoor unit 10 of the air conditioner; an electric cooling unit 40 provided at the electric device 21 of the outdoor unit 20 of the air conditioner; the electric cooling assembly 40 is internally provided with a first circulating channel 41, and the first circulating channel 41 is communicated with the water storage tank 30 through a pipeline so as to circulate condensed water; the electrical cooling assembly 40 is in contact with the electrical device 21 to cool the electrical device 21; a water receiving tray 50 disposed at the bottom of the outdoor unit 20 and connected to the first circulation channel 41 through a pipe, the water receiving tray 50 being for receiving condensed water; the atomizer 60 is communicated with the water pan 50 through a pipeline and is used for atomizing and discharging the condensed water in the water pan 50.
The condensate water recycling device provided by the invention can be used for assisting the heat dissipation of all parts of the air conditioner, optimizing the stability of an air conditioning system, improving the heat dissipation effect and promoting the performance improvement of the air conditioner. The condensate water recycling device provided by the invention has a simple structure and low cost, and is suitable for large-scale popularization and use.
As shown in fig. 2 and 3, the water storage tank 30 is disposed above the outdoor unit 20, and the first circulation passage 41 is serpentine-shaped in the electric cooling unit 40; the condensed water in the water storage tank 30 enters the water receiving disc 50 along the first circulation channel 41 under the action of gravity; the condensate water recycling device further comprises a circulating water pump 70, and the circulating water pump 70 is communicated with the water receiving disc 50 through a pipeline; the electric cooling assembly 40 is also provided with a second circulating channel 42, and an inlet and an outlet of the second circulating channel 42 are respectively communicated with the water receiving disc 50 and the circulating water pump 70 through pipelines; wherein the circulating water pump 70 drives the condensed water in the water pan 50 to circulate along the second circulation path 42 to cool the electric cooling assembly 40.
By arranging the water storage tank 30 above the outdoor unit 20, the condensed water in the water storage tank 30 can enter the water receiving tray 50 along the first circulation channel 41 under the action of gravity; in actual use, the water storage tank 30 may be disposed outdoors so as to cooperate with the outdoor unit 20.
As shown in fig. 3, the electrical cooling assembly 40 is a plate-like structure; the second circulation channel 42 is serpentine-shaped and coiled in the electric cooling unit 40 and is spaced from the first circulation channel 41; the outlet of the second circulation channel 42 communicates with the outlet of the first circulation channel 41, together forming a liquid outlet 43 on the electrical cooling assembly 40; the inlet of the first circulation channel 41 is located above the liquid outlet 43. By the arrangement, the working reliability of the electric cooling assembly 40 is guaranteed, and the electric cooling assembly 40 is simple in structure, easy to machine and mold and low in cost.
As shown in fig. 2, a gaseous condensate outlet 80 is provided on a pipe communicating between the liquid outlet 43 and the water receiving tray 50, and the gaseous condensate outlet 80 is used for discharging the gaseous condensate in the pipe. By arranging the gaseous condensate outlet 80, the pipeline can release water vapor generated by heat absorption and vaporization of the condensed water in the cooling and radiating process, the gaseous condensate can be directly released into the air environment and can be discharged along with the flow of surrounding air flow fields under the action of the fan blades 22.
As shown in fig. 2, the condensed water recycling apparatus further includes a first flow control valve 90, the first flow control valve 90 being disposed between the water pan 50 and the electric cooling assembly 40 and being respectively communicated with the water pan 50 and the electric cooling assembly 40 through pipes; the first flow control valve 90 is used to control the circulation of condensate between the electrical apparatus 21 and the drip tray 50 at a small, medium or large flow rate. By providing the first flow control valve 90, efficient control of the flow of circulating condensate between the electrical apparatus 21 and the drain pan 50 is achieved.
As shown in fig. 2, the condensed water recycling apparatus further includes a second flow control valve 100, the second flow control valve 100 being disposed between the water pan 50 and the atomizer 60 and being respectively communicated with the water pan 50 and the atomizer 60 through pipes; the second flow control valve 100 is used to control the flow of condensate into the atomizer 60. By providing the second flow control valve 100, an efficient control of the flow of condensate water into the atomizer 60 is achieved.
As shown in fig. 2, the condensed water recycling apparatus further includes a third flow rate control valve 110, the third flow rate control valve 110 being disposed between the water storage tank 30 and the electric cooling assembly 40 and being respectively communicated with the water storage tank 30 and the electric cooling assembly 40 through pipes; the third flow control valve 110 is used for controlling condensed water to enter the first circulation channel 41 from the water storage tank 30 at a first flow rate, a second flow rate or a third flow rate; the condensed water recycling device further comprises a first water level detector and a second water level detector, wherein the first water level detector is arranged in the water storage tank 30 and is used for detecting the water level of condensed water in the water storage tank 30; the second water level detector is disposed in the water receiving tray 50 for detecting the water level of the condensed water in the water receiving tray 50.
By arranging the third flow control valve 110, effective control of the flow of condensate water from the water storage tank 30 into the first circulation channel 41 is realized; by providing the first water level detector and the second water level detector, real-time detection of the water level of the condensed water in the water storage tank 30 and the water level of the condensed water in the water receiving tray 50 is achieved.
In one embodiment of the present invention, the condensate water recycling apparatus may further include a central control unit electrically connected to the first flow control valve 90, the second flow control valve 100, the third flow control valve 110, the first water level detector and the second water level detector, respectively, to achieve efficient and intelligent control of the overall circulating flow of the condensate water.
As shown in fig. 2, the present invention further provides an air conditioner, which includes the above-mentioned condensed water recycling apparatus, the air conditioner further includes an indoor unit 10 and an outdoor unit 20, the outdoor unit 20 includes an electric device 21 and rotatable fan blades 22, and the electric device 21 is in contact with the electric cooling assembly 40 to exchange heat; the atomizer 60 is arranged at the fan blade 22, and the atomizer 60 cooperates with the rotating fan blade 22 to discharge atomized condensed water.
The air conditioner provided by the invention can effectively control the temperature rise of each electronic component in the outdoor unit 20, and ensures the reliable and stable operation of the electronic component; the air conditioner provided by the invention can effectively meet the heat dissipation requirement of the outdoor unit 20, and a new heat dissipation scheme of the outdoor unit 20 is provided by utilizing the condensed water recycling device.
As shown in fig. 2, the outdoor unit 20 further includes a first branch 23, a second branch 24, a two-way valve 25, a temperature sensor, a compressor 26, and a discharge pipe 27 communicating with the compressor 26, the second branch 24 being wound around an outer circumference of the compressor 26 and/or the discharge pipe 27 to cool; a temperature sensor is provided at the discharge pipe 27 for detecting the discharge temperature of the compressor 26; the two-way valve 25 is disposed at a communication position of the inlet of the first branch 23 and the inlet of the second branch 24, and is communicated with the outlet of the first circulation channel 41 through a pipeline; the outlet of the first branch 23 and the outlet of the second branch 24 are respectively communicated with the water pan 50; when the exhaust temperature is greater than or equal to the exhaust set temperature, the two-way valve 25 controls the second branch 24 to be communicated with the outlet of the first circulation channel 41, and condensed water flows into the water receiving disc 50 after being cooled by the second branch 24 and the compressor 26 and/or the exhaust pipe 27; when the exhaust temperature is lower than the exhaust set temperature, the two-way valve 25 controls the first branch 23 to be communicated with the outlet of the first circulation channel 41, and condensed water directly flows into the water receiving disc 50 through the first branch 23; the outdoor unit 20 further includes a check valve 28, and the check valve 28 is disposed at an outlet of the second branch 24 to prevent the condensed water from flowing backward along the second branch 24.
By the arrangement, the exhaust gas is cooled, the temperature of the refrigerant entering the condenser is reduced, the temperature of the refrigerant at the outlet of the compressor is lower after the refrigerant exchanges heat and releases heat, the supercooling degree of the refrigerant is increased, the circulating refrigeration coefficient of the system is improved, and the performance of the system is further improved; the auxiliary heat dissipation of the compressor 26 is realized, and the adverse effect on the stable operation of the system due to the overheat phenomenon caused by untimely heat release generated by the high-speed operation of the compressor 26 is avoided; by providing the one-way valve 28, condensate in the first branch 23 is effectively prevented from flowing back into the second branch 24.
The invention uses the condensed water generated by the indoor unit 10 as cooling medium to radiate the parts such as the electric equipment 21, the exhaust pipe 27, the compressor 26 and the like, thereby improving the integral performance and energy efficiency ratio of the air conditioning system; meanwhile, the invention also provides a method for precooling the air outlet by utilizing condensed water and reducing the heat discharged to the atmosphere by the outdoor unit 20.
The working process of a specific embodiment of the present invention will now be described in detail as follows:
The condensed water generated in the normal air conditioner refrigerating or dehumidifying mode operation process has low temperature and is a good cooling medium, and the generated condensed water is collected and reused; firstly, collecting condensed water generated by an indoor unit 10 into an outdoor additionally arranged water storage tank 30, wherein a first water level detector is arranged in the water storage tank 30, and the flow rate of the condensed water flowing out of the water storage tank 30 is flexibly controlled by detecting the water level of the condensed water in the water storage tank 30:
Setting three water level heights, corresponding to different opening degrees of the third flow control valve 110 respectively: 1. when the water level of the condensed water in the water storage tank 30 is detected to be smaller than the first water storage height, the opening of the third flow control valve 110 is regulated, and the condensed water is controlled to enter the electric equipment 21 at the first flow rate; 2. when the water level is greater than or equal to the first water storage height and less than the second water storage height, the opening of the third flow control valve 110 is regulated, and the condensed water is controlled to enter the electric equipment 21 at the second flow rate; 3. when the water level is equal to or higher than the second water storage level, the opening of the third flow control valve 110 is adjusted to control the condensed water to enter the electric device 21 at the third flow; by disposing the water storage tank 30 above the outdoor unit 20, the condensate water flowing at this time may form a natural flow depending on the height difference; the rate of condensate water production determines the amount of condensate water flowing in the cooling process;
The condensed water flows through the electric equipment 21 after flowing out of the water storage tank 30, and is combined with air cooling and heat dissipation on the electric equipment 21 to perform double heat dissipation on the electric equipment 21, so that electronic components in the electric equipment 21 can still stably work under the conditions of high external environment temperature or high power operation; as shown in fig. 3, the pipeline through which the condensed water from the electric cooling assembly 40 flows is divided into two branches, namely a first branch 23 and a second branch 24, wherein the first branch 23 is directly led to the bottom water pan 50; the pipe of the second branch 24 bypasses the exhaust pipe 27 and the shell of the compressor 26, spirals outside the compressor 26 for at least one circle and then is led to the water receiving disc 50;
A two-way valve 25 is arranged between the first branch 23 and the second branch 24, and during operation, the switching of the two-way valve 25 is controlled by detecting the exhaust temperature of the compressor 26 through a temperature sensor; when the exhaust temperature is greater than or equal to the exhaust set temperature T1 (for example, the range of the value of T1 may be 85-150 ℃), the two-way valve 25 controls the second branch 24 to be communicated with the outlet of the first circulation channel 41, and condensed water flows into the water receiving disc 50 after being cooled by the second branch 24 to the compressor 26 and the exhaust pipe 27, so that the cooling of the exhaust is realized, the temperature of the refrigerant entering the condenser is reduced, the temperature of the refrigerant at the outlet of the condenser is lower after the heat is released by the heat exchanger of the air conditioner, the supercooling degree of the refrigerant is increased, the circulating refrigeration coefficient of the system is improved, and the performance of the system is further improved; meanwhile, the heat dissipation of the auxiliary compressor 26 is realized, and the adverse effect of overheat phenomenon on the stable operation of the system caused by untimely heat release generated by the high-speed operation of the compressor 26 is avoided;
When the exhaust temperature is lower than the exhaust set temperature, the two-way valve 25 is connected with the first branch 23, and condensed water directly flows into the water receiving disc 50 through the first branch 23; two branches are arranged at the position, and the work of the two branches is controlled through the exhaust temperature, mainly considering that when the exhaust temperature is lower, if the condensed water is continuously used for radiating the exhaust end, the operation efficiency of the system can be reduced; the first branch 23 and the second branch 24 are converged before entering the water receiving disc 50, the outlet section of the second branch 24 is provided with a one-way valve 28 to prevent condensed water in the first branch 23 from flowing back into the second branch 24, the first branch 23 and the second branch 24 are divided into two outlets on the tail end pipeline converged before entering the water receiving disc 50, one outlet is upwards arranged to form a gaseous condensed water outlet 80 for releasing water vapor generated by heat absorption and vaporization of condensed water in the cooling and radiating process, and the gaseous condensed water is directly released into the air environment and can be discharged under the action of the fan blades 22 along with the flow of surrounding air flow fields; the other outlet is downward, and is used for guiding the liquid condensed water after heat exchange into the water receiving disc 50 so as to facilitate the subsequent continuous recycling;
In order to reduce the amount of the liquid condensate water directly discharged outside, a second water level detector and a circulating water pump 70 are arranged in the water receiving tray 50, and the atomizer 60 is arranged above the blowing motor of the outdoor unit 20, and works under the condition that the normal operation of the fan blades 22 is not hindered; the condensed water pumped by the circulating water pump 70 is divided into two paths, and one part of the condensed water is directly atomized by the atomizer 60 and then discharged to the outdoor environment; the other part of the heat is supplied by the water pump and flows to the electric equipment 21 for recycling heat dissipation;
In operation of the air conditioning system, the water level of the condensed water in the water pan 50 is monitored: 1. when the water level is less than or equal to the first set water level, the circulating water pump 70 is controlled to operate at low power by adjusting the opening degree of the first flow control valve 90 so as to control the condensed water in the water receiving tray 50 to circulate between the electrical equipment 21 and the water receiving tray 50 at a small flow rate, and the second flow control valve 100 is controlled to be closed, and the atomizer 60 is controlled to be closed; 2. when the water level is greater than the first set water level and less than or equal to the second set water level, controlling the power operation in the circulating water pump 70 by adjusting the opening of the first flow control valve 90 to control the condensed water in the water receiving disc 50 to circulate between the electric device 21 and the water receiving disc 50 at a medium flow rate, controlling the opening of the second flow control valve 100, and controlling the atomizer 60 to atomize the condensed water in the water receiving disc 50 at a first gear and then discharging the atomized condensed water; 3. when the water level is greater than the second set water level, the opening of the first flow control valve 90 is adjusted to control the circulating water pump 70 to operate with high power so as to control the condensed water in the water receiving disc 50 to circulate between the electrical equipment 21 and the water receiving disc 50 with high flow rate, and the opening of the second flow control valve 100 is controlled to control the atomizer 60 to atomize the condensed water in the water receiving disc 50 with the second gear and then discharge the atomized condensed water; based on the implementation steps, the direct discharge of the liquid condensate water to the outside of the machine is reduced to the greatest extent;
Based on the above operation, when a shutdown instruction is received, detecting the water level of the condensed water in the water pan 50, and when the water level is greater than or equal to a second set water level, controlling the atomizer 60 to be closed after delaying the operation for t1 time so as to reduce the water level of the condensed water in the water pan 50; the value range of t1 is 0-40 min.
It should be noted that: the air conditioner of the invention can be not limited to a split machine, when the air conditioner is an integral machine such as a whole machine or a window machine, the generated condensed water can be directly collected into the water receiving disc 50, the condensed water is provided by the circulating water pump 70 and sequentially flows through the electric equipment 21, the exhaust pipe 27 and the compressor 26 for cooling and radiating, and the water level of the water receiving disc 50 is monitored to control the circulating water pump 70, the atomizer 60 and the first flow control valve 90; and operation of the second flow control valve 100.
In summary, the invention provides a condensate water recycling method, a condensate water recycling device and an air conditioner, which realize the collection of condensate water and avoid the resource waste and the energy waste of the condensate water by arranging the collection step; by providing the first utilization step and the circulation step, efficient and continuous cooling of the electric device 21 of the outdoor unit 20 is achieved by utilizing the collected condensed water; by arranging the evaporation and discharge step and the atomization and discharge step, the condensed water can be discharged in the form of gas or atomized into small liquid drops, so that the direct pollution of liquid condensed water to the outer wall of the building is avoided, the living environment of residents is protected, and simultaneously, the heat discharged to the atmosphere by the outdoor unit 20 is reduced, thereby being beneficial to reducing the heat island effect of cities; the invention can collect and store the condensed water generated by the indoor unit 10 of the air conditioner, and can drain the condensed water through the components such as the electrical equipment 21, the exhaust pipe 27, the compressor 26 and the like by utilizing the height difference, thereby realizing the efficient cooling of the related heat generating components, enhancing the heat dissipation efficiency of the electrical equipment 21, the exhaust pipe 27 and the compressor 26 to a certain extent, accelerating the heat dissipation, improving the heat dissipation effect and further ensuring the stable operation of the air conditioner; according to the invention, when the air conditioner is in the refrigeration mode, the condensed water is utilized to reduce the exhaust temperature of the compressor 26, so that the temperature of the refrigerant entering the condenser is reduced, the temperature of the refrigerant at the outlet of the condenser is lower after the refrigerant releases heat through the condenser, the supercooling degree of the refrigerant is increased, the refrigeration coefficient of the refrigeration cycle of the air conditioner is further improved, and the system performance is improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (13)
1. A condensate water recycling method, characterized by comprising the steps of:
Collecting: collecting condensed water generated by an indoor unit (10) of the air conditioner by using a water storage tank (30);
A first utilization step: introducing at least a part of condensed water in the water storage tank (30) to an electric device (21) of an outdoor unit (20) of the air conditioner to cool the electric device (21);
the circulation steps are as follows: receiving the condensed water passing through the electrical equipment (21) by utilizing a water receiving disc (50), and driving the condensed water to circulate between the water receiving disc (50) and the electrical equipment (21);
And an evaporation and discharge step: discharging condensed water after heat absorption and gasification;
And atomizing and discharging: detecting the water level of the condensed water in the water receiving disc (50), atomizing the condensed water in the water receiving disc (50) and discharging the atomized condensed water when the water level in the water receiving disc (50) is larger than a first set water level;
The first utilizing step includes: detecting the water level of the condensed water in the water storage tank (30), and controlling the condensed water to enter the electric equipment (21) at a first flow rate when the water level is smaller than a first water storage level; when the water level is greater than or equal to the first water storage height and less than the second water storage height, controlling the condensed water to enter the electric equipment (21) at a second flow rate; when the water level is greater than or equal to the second water storage height, controlling the condensed water to enter the electric equipment (21) at a third flow rate; wherein the first flow rate is less than the second flow rate, and the second flow rate is less than the third flow rate;
The cycling step includes: detecting the water level of the condensed water in the water receiving disc (50), and controlling the condensed water in the water receiving disc (50) to circulate between the electrical equipment (21) and the water receiving disc (50) at a small flow rate when the water level is smaller than or equal to the first set water level; when the water level is larger than the first set water level and smaller than or equal to a second set water level, controlling condensed water in the water receiving disc (50) to circulate between the electrical equipment (21) and the water receiving disc (50) in a medium flow; when the water level is greater than the second set water level, controlling the condensed water in the water receiving disc (50) to circulate between the electrical equipment (21) and the water receiving disc (50) at a large flow rate; wherein the small flow is smaller than the medium flow, and the medium flow is smaller than the large flow.
2. The condensate water recycling method of claim 1, further comprising a second utilizing step, the second utilizing step comprising: and detecting the exhaust temperature of a compressor (26) of the outdoor unit (20), and controlling a part of condensed water to be delivered to the compressor (26) so as to cool the compressor (26) when the exhaust temperature is greater than or equal to an exhaust set temperature.
3. The condensate water recycling method of claim 1 wherein said atomizing discharge step comprises: detecting the water level of the condensed water in the water receiving disc (50), and controlling an atomizer (60) for atomizing the condensed water to be closed when the water level is smaller than or equal to the first set water level; when the water level is larger than the first set water level and smaller than or equal to the second set water level, controlling the atomizer (60) to atomize the condensed water in the water receiving disc (50) in a first gear and then discharging the atomized condensed water; when the water level is greater than the second set water level, controlling the atomizer (60) to atomize the condensed water in the water receiving disc (50) in a second gear and then discharging the atomized condensed water; wherein the power of the atomizer (60) in the first gear is smaller than the power of the atomizer (60) in the second gear.
4. The condensate water recycling method of claim 1, further comprising a delayed shutdown step, the delayed shutdown step comprising: when the air conditioner is shut down, detecting the water level of the condensed water in the water receiving disc (50), and when the water level is greater than or equal to a second set water level, controlling the atomizer (60) to be closed after a period of time of delay operation so as to reduce the water level of the condensed water in the water receiving disc (50); wherein the second set water level is higher than the first set water level.
5. A condensate water recycling apparatus, characterized in that the condensate water recycling apparatus is applied to the condensate water recycling method of any one of claims 1 to 4, the condensate water recycling apparatus being used in an air conditioner, comprising:
A water storage tank (30) for collecting condensed water generated by an indoor unit (10) of the air conditioner;
An electric cooling unit (40) provided at an electric device (21) of an outdoor unit (20) of the air conditioner; the electric cooling assembly (40) is internally provided with a first circulating channel (41), and the first circulating channel (41) is communicated with the water storage tank (30) through a pipeline so as to circulate the condensed water; the electrical cooling assembly (40) is in contact with the electrical equipment (21) to cool the electrical equipment (21);
A water receiving tray (50) arranged at the bottom of the outdoor unit (20) and communicated with the first circulation channel (41) through a pipeline, wherein the water receiving tray (50) is used for accommodating the condensed water;
And the atomizer (60) is communicated with the water receiving disc (50) through a pipeline and is used for atomizing and discharging the condensed water in the water receiving disc (50).
6. The condensate water recycling apparatus of claim 5 wherein said water storage tank (30) is disposed above said outdoor unit (20), said first circulation channel (41) being serpentine-shaped within said electrical cooling assembly (40); the condensed water in the water storage tank (30) enters the water receiving disc (50) along the first circulating channel (41) under the action of gravity; the condensed water recycling device further comprises a circulating water pump (70), and the circulating water pump (70) is communicated with the water receiving disc (50) through a pipeline; the electric cooling assembly (40) is internally provided with a second circulating channel (42), and an inlet and an outlet of the second circulating channel (42) are respectively communicated with the water receiving disc (50) and the circulating water pump (70) through pipelines; wherein the circulating water pump (70) drives condensed water in the water receiving disc (50) to circulate along the second circulating channel (42) so as to cool the electric cooling assembly (40).
7. The condensate water recycling apparatus of claim 6 wherein the electrical cooling assembly (40) is a plate-like structure; the second circulation channel (42) is coiled in a serpentine manner in the electric cooling assembly (40) and is arranged at intervals from the first circulation channel (41); the outlet of the second circulation channel (42) is communicated with the outlet of the first circulation channel (41) to jointly form a liquid outlet (43) on the electric cooling assembly (40); an inlet of the first circulation channel (41) is located above the liquid outlet (43).
8. The condensate water recycling apparatus of claim 7 wherein a gaseous condensate water outlet (80) is provided on a conduit communicating between the liquid outlet (43) and the water receiving tray (50), the gaseous condensate water outlet (80) being adapted to drain gaseous condensate water from the conduit.
9. The condensate water recycling apparatus of claim 5 further comprising a first flow control valve (90), said first flow control valve (90) being disposed between said water pan (50) and said electrical cooling assembly (40) and in communication with said water pan (50), said electrical cooling assembly (40) respectively, by piping; the first flow control valve (90) is used for controlling the condensed water to circulate between the electrical equipment (21) and the water receiving disc (50) at a small flow rate, a medium flow rate or a large flow rate.
10. The condensate water recycling apparatus according to claim 5, further comprising a second flow control valve (100), the second flow control valve (100) being arranged between the water pan (50) and the atomizer (60) and being in communication with the water pan (50), the atomizer (60) respectively via a pipe; the second flow control valve (100) is for controlling the flow of the condensate into the atomizer (60).
11. The condensate water recycling apparatus of claim 5 further comprising a third flow control valve (110), the third flow control valve (110) being disposed between the water storage tank (30) and the electrical cooling assembly (40) and being in communication with the water storage tank (30) and the electrical cooling assembly (40), respectively, via piping; the third flow control valve (110) is used for controlling the condensed water to enter the first circulation channel (41) from the water storage tank (30) at a first flow, a second flow or a third flow;
The condensed water recycling device further comprises a first water level detector and a second water level detector, wherein the first water level detector is arranged in the water storage tank (30) and is used for detecting the water level of condensed water in the water storage tank (30); the second water level detector is arranged in the water receiving disc (50) and is used for detecting the water level of the condensed water in the water receiving disc (50).
12. An air conditioner, characterized in that the air conditioner comprises the condensate water recycling apparatus of any one of claims 5 to 11, the air conditioner further comprising an indoor unit (10) and an outdoor unit (20), the outdoor unit (20) comprising an electrical device (21) and rotatable fan blades (22), the electrical device (21) being in contact with the electrical cooling assembly (40) for heat exchange; the atomizer (60) is arranged at the fan blade (22), and the atomizer (60) and the rotating fan blade (22) work cooperatively to discharge the atomized condensed water.
13. The air conditioner according to claim 12, wherein the outdoor unit (20) further includes a first branch (23), a second branch (24), a two-way valve (25), a temperature sensor, a compressor (26), and a discharge pipe (27) communicating with the compressor (26), the second branch (24) being wound around an outer circumference of the compressor (26) and/or the discharge pipe (27) to be cooled; the temperature sensor is arranged at the exhaust pipe (27) and is used for detecting the exhaust temperature of the compressor (26); the two-way valve (25) is arranged at the communication position of the inlet of the first branch (23) and the inlet of the second branch (24) and is communicated with the outlet of the first circulating channel (41) through a pipeline; the outlet of the first branch (23) and the outlet of the second branch (24) are respectively communicated with the water receiving disc (50);
when the exhaust temperature is greater than or equal to an exhaust set temperature, the two-way valve (25) controls the second branch (24) to be communicated with the outlet of the first circulating channel (41), and condensed water flows into the water receiving disc (50) after being cooled by the second branch (24) on the compressor (26) and/or the exhaust pipe (27); when the exhaust temperature is smaller than the exhaust set temperature, the two-way valve (25) controls the first branch (23) to be communicated with the outlet of the first circulating channel (41), and the condensed water directly flows into the water receiving disc (50) through the first branch (23);
The outdoor unit (20) further comprises a one-way valve (28), and the one-way valve (28) is arranged at the outlet of the second branch (24) and used for preventing the condensed water from flowing back along the second branch (24).
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| CN117433148A (en) | 2024-01-23 |
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