WO2024082428A1 - Appareil d'échange de chaleur - Google Patents

Appareil d'échange de chaleur Download PDF

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Publication number
WO2024082428A1
WO2024082428A1 PCT/CN2022/140820 CN2022140820W WO2024082428A1 WO 2024082428 A1 WO2024082428 A1 WO 2024082428A1 CN 2022140820 W CN2022140820 W CN 2022140820W WO 2024082428 A1 WO2024082428 A1 WO 2024082428A1
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WO
WIPO (PCT)
Prior art keywords
water
heat exchange
cavity
outlet
exchange device
Prior art date
Application number
PCT/CN2022/140820
Other languages
English (en)
Chinese (zh)
Inventor
马善勇
鞠文宏
仲明凯
薛源
张磊
王敏
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2024082428A1 publication Critical patent/WO2024082428A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/029—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by the layout or mutual arrangement of components, e.g. of compressors or fans
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/037—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with humidification means
    • 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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/039—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing using water to enhance cooling, e.g. spraying onto condensers
    • 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
    • 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
    • F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser

Definitions

  • the present application relates to the technical field related to heat exchange equipment, and in particular, to a heat exchange equipment.
  • Heat exchange equipment has the function of temperature regulation, such as air conditioners.
  • air conditioners During the use of air conditioners, especially when the integrated air conditioner is in heating mode in winter, the outdoor condenser will produce condensed water through heat exchange or high-temperature defrosting and ice melting, which will slide down the fins and gather in the chassis. Due to usage requirements, the condensed water on the outdoor side of the integrated air conditioner does not need to be installed with water pipes and directly discharged, dripping onto the ground or buildings.
  • the condensed water accumulated in the chassis will freeze, which may damage the high-speed running fan blades and the water rings set on the fan blades, causing the air conditioner to fail to work normally.
  • the main purpose of the present application is to provide a heat exchange device to solve the problem of incomplete condensate treatment in the heat exchange device in the prior art.
  • a heat exchange device which includes a shell, the shell has a water collecting structure, and the water collecting structure is used to collect condensed water; an evaporator, the evaporator is arranged in the shell; and a liquid storage tank, at least a part of the water collecting structure is connected to the inlet of the liquid storage tank, and at least one outlet of the liquid storage tank supplies condensed water to the evaporator for realizing a humidification function.
  • the liquid storage tank has a primary cavity and a secondary cavity that are connected to each other, the inlet of the liquid storage tank is connected to the primary cavity, and the primary cavity and/or the secondary cavity are provided with an outlet.
  • the volume of the primary cavity is smaller than the volume of the secondary cavity, and the secondary cavity is used to store condensed water; and/or the first outlet of the outlet connected to the primary cavity is used to supply condensed water to the evaporator; and/or the second outlet of the outlet connected to the secondary cavity is used as a drain outlet; and/or the bottom of the primary cavity is higher than the bottom of the secondary cavity; and/or the primary cavity and the secondary cavity are arranged in a horizontal direction.
  • the liquid storage tank further includes a first valve, which is disposed at a first outlet of the outlet to adjust the on-off state between the primary chamber and the evaporator.
  • a liquid storage tank includes a box body having an outlet; a cover plate, which is detachably mounted on the top of the box body, the box body and the cover plate cooperate to form a cavity therebetween, and the inlet is arranged on the box body or the cover plate; and a partition plate, which is arranged inside the cavity, and the partition plate divides the cavity into a primary cavity and a secondary cavity.
  • the partition is vertically arranged in the cavity, and an overflow port is provided on the top of the partition, and the primary cavity and the secondary cavity are connected through the overflow port.
  • the overflow port is connected to the edge of the top of the partition; and/or an overflow gap is formed between the top of the partition and the cover plate; and/or the outlet is located below the overflow port.
  • the heat exchange device further includes a slow flow component, the inlet is connected to the primary cavity through the slow flow component, and the slow flow component is used to guide and slow the flow of condensed water entering from the inlet.
  • the slow flow component includes a water receiving trough, which is formed on the cover plate or the box body.
  • the water receiving trough has a water outlet, which is connected to the primary cavity.
  • the slow flow component also includes a water retaining rib plate, which is arranged inside the primary cavity, and the water retaining rib plate is connected to the cover plate or the box body, at least a portion of the water retaining rib plate is opposite to the water outlet and is arranged at an interval, and a flow gap is formed between the water retaining rib plate and the water outlet, so that the condensed water flowing out of the water outlet flows into the primary cavity along the flow gap and the water retaining rib plate.
  • the water retaining rib has a plate-like portion and a raised portion arranged in a T-shape, the plate-like portion is spaced apart from the water outlet, the raised portion is arranged at one end toward the inlet, and at least one end of the plate-like portion is spaced apart from the side of the primary cavity to form a flow channel for condensed water to flow.
  • the heat exchange device also includes a filter assembly, which is arranged inside the first-level cavity.
  • the filter assembly divides the first-level cavity into an area to be filtered and a filtering area.
  • the inlet is connected to the area to be filtered, and the first outlet of the outlet and the overflow port of the partition are both connected to the filtering area.
  • the filter assembly includes at least two vertical poles, at least two vertical poles are arranged at intervals, and two of the at least two vertical poles are respectively connected to the partition and the side of the first-level cavity; a cross bar, the cross bar is installed on the bottom surface of the first-level cavity and connected to the vertical poles, the cross bar and the vertical poles cooperate to form a filter bracket; a filter net, the filter net is installed on the filter bracket.
  • the crossbar has a preset height of 8-10 mm.
  • the heat exchange equipment also includes a liquid level sensing device, which is arranged in the secondary cavity; and/or the heat exchange equipment also includes a prompt device, which is electrically connected to the liquid level sensing device, and the liquid level sensing device has a liquid level detection end, which is arranged at the top of the secondary cavity, so as to send a prompt information to the prompt device when it is detected that the condensed water in the secondary cavity is in a full water state, and the prompt device prompts that the liquid storage tank is in a full water state.
  • the secondary cavity of the liquid storage tank has a third outlet
  • the heat exchange device also includes a second valve, which is arranged at the third outlet of the outlet of the secondary cavity, and the third outlet of the outlet of the secondary cavity is connected to the water collecting tank of the water collecting structure through the second valve to drain water into the water collecting tank.
  • the shell has a chassis with a water collecting tank formed on the chassis.
  • the water collecting structure also includes a water pump and a delivery pipeline. The water pump transfers the condensed water in the water collecting tank to the liquid storage tank through the delivery pipeline.
  • the water pump and the water collection tank are arranged on a side of the shell away from the evaporator, and the water pump is located at a corner of the shell, and the liquid storage tank and the water pump are located in a diagonal direction of the shell.
  • At least a portion of the inner surface of the bottom plate extends obliquely downward in a direction away from the evaporator, so that condensed water on the side where the evaporator is located flows back into the water collection tank.
  • a drain valve is also provided in the sump.
  • a rain detection device is provided on the shell for detecting whether it is raining in the external environment and sending a drainage signal when rain is detected.
  • the rain detection device is connected to the drain valve to open the drainage when the drain valve receives the drainage signal.
  • the heat exchange device further includes a drainage box, which is disposed on the top of the evaporator, and the drainage box has a drainage cavity communicated with the first outlet of the outlet.
  • the drainage chamber includes a transition chamber connected to the first outlet of the outlet and a plurality of diversion chambers connected to the transition chamber.
  • the plurality of diversion chambers are arranged along the length direction of the evaporator, and an external connecting hole is provided on the chamber wall surface of each diversion chamber.
  • a plurality of first partition plates are arranged in the drainage box, and the plurality of first partition plates are arranged at intervals along the thickness direction of the evaporator to form a transition chamber, and at least one end of the first partition plate is spaced apart from the inner wall surface of the drainage box to form a connecting channel.
  • At least one second partition plate is also arranged in the drainage box, and the second partition plate is connected to the first partition plate and the inner wall surface of the drainage box, and the interior of the drainage box is divided into a plurality of diversion chambers by the second partition plate.
  • the external connecting hole has a tapered hole section on the side facing the inside of the drainage box, and the diameter of the tapered hole section gradually decreases in the direction toward the outside of the drainage box; and/or a plurality of external connecting holes are arranged in each diversion chamber, the diameters of the plurality of external connecting holes are not completely equal, and the diameter of the external connecting hole close to the connecting position between the transition chamber and the diversion chamber among the plurality of external connecting holes is smaller than the diameter of the external connecting hole far from the connecting position between the transition chamber and the diversion chamber.
  • the heat exchange device is an integrated air conditioner.
  • the present application provides a heat exchange device, which includes a shell, an evaporator and a liquid storage tank.
  • the shell has a water collecting structure, which is used to collect condensed water.
  • the evaporator is arranged in the shell, and at least a part of the water collecting structure is connected to the inlet of the liquid storage tank. At least one outlet of the liquid storage tank supplies condensed water to the evaporator for realizing a humidification function.
  • the heat exchange equipment of the present application will collect the condensed water generated during use through a water collecting structure, and supply the condensed water to the evaporator, and evaporate and consume the condensed water through the evaporator, so as to consume the condensed water and humidify the air at the same time; the present application is also provided with a liquid storage tank to collect excess condensed water, supply liquid to the evaporator through the liquid storage tank or collect condensed water through the liquid storage tank to discharge the condensed water in a centralized manner, thereby realizing centralized treatment of condensed water and avoiding arbitrary discharge of condensed water to affect environmental protection.
  • FIG1 shows a schematic diagram of a three-dimensional structure of a heat exchange device of the present application
  • FIG2 shows another schematic diagram of the three-dimensional structure of the heat exchange device of the present application
  • FIG3 shows a schematic diagram of the flow structure of the liquid storage tank of the heat exchange device of the present application
  • FIG4 shows an enlarged view of point A in FIG3 ;
  • FIG5 shows a schematic diagram of the three-dimensional structure of the water collection structure of the present application
  • FIG6 shows a side view of the heat exchange device of the present application
  • FIG7 shows a schematic diagram of the three-dimensional structure of the delivery pipeline of the present application.
  • FIG8 shows a schematic diagram of the three-dimensional structure of the water pump of the present application.
  • FIG9 shows a schematic diagram of the coordination structure of the delivery pipeline and the liquid storage tank of the present application.
  • FIG10 shows a schematic diagram of the internal structure of the liquid storage tank of the present application.
  • FIG11 shows a schematic diagram of the three-dimensional structure of the liquid storage tank of the present application.
  • FIG12 shows a schematic diagram of the three-dimensional structure of another liquid storage tank of the present application.
  • FIG13 shows a top view of the liquid storage tank of the present application
  • FIG14 is a schematic diagram showing the installation structure of the filter assembly of the present application.
  • FIG15 is a schematic diagram showing the connection relationship between the liquid storage tank and the drainage box of the present application.
  • FIG16 is a schematic structural diagram of a box cover of the drainage box of the present application.
  • FIG17 is a schematic structural diagram of a drainage box body of the present application.
  • FIG. 18 shows a schematic diagram of the internal structure of the drainage box of the present application.
  • Shell 101. Water collecting structure; 1011. Water collecting tank; 102. Liquid discharge channel; 20. Liquid storage tank; 201. Inlet; 202. Primary cavity; 2021. Area to be filtered; 2022. Filtering area; 203. Secondary cavity; 204. First outlet; 205. Second outlet; 206. Third outlet; 210. Box; 220. Cover plate; 230. Partition plate; 231. Overflow port; 30.
  • the directional words used such as “up, down, top, bottom”, usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, “inside and outside” refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present application.
  • the present application provides a heat exchange device.
  • the heat exchange device can be used in the industrial field or in the household field to achieve temperature regulation.
  • the heat exchange device is an air conditioner.
  • the air conditioner is an integrated air conditioner.
  • the outdoor condenser when the integrated air conditioner is used in the heating mode in winter, the outdoor condenser produces condensed water through heat exchange or high-temperature defrosting and ice melting, and the condensed water enters the water collection structure 101 of the air conditioner shell 10 to achieve the effect of collecting condensed water.
  • the heat exchange device includes a shell 10, an evaporator 40 and a liquid storage tank 20.
  • the shell 10 has a water collecting structure 101, which is used to collect condensed water.
  • the evaporator 40 is arranged in the shell 10. At least a portion of the water collecting structure 101 is connected to the inlet 201 of the liquid storage tank 20. At least one outlet of the liquid storage tank 20 supplies condensed water to the evaporator 40 for realizing a humidification function.
  • the heat exchange equipment of the present application collects the condensed water generated during use through the water collecting structure 101, and supplies the condensed water to the evaporator 40, and evaporates and consumes the condensed water through the evaporator 40, so as to consume the condensed water and humidify the air at the same time; the present application is also provided with a liquid storage tank 20 to collect excess condensed water, and supplies liquid to the evaporator 40 through the liquid storage tank 20 or collects condensed water through the liquid storage tank 20 to discharge the condensed water in a centralized manner, thereby realizing centralized treatment of the condensed water and avoiding arbitrary discharge of condensed water to affect environmental protection.
  • the water collection structure 101 includes a water collection tank 1011, through which condensed water is collected.
  • the water collection structure 101 also includes a water pump 50 and a delivery pipeline 70.
  • the water pump 50 transfers the condensed water in the water collection tank 1011 to the liquid storage tank 20 via the delivery pipeline 70.
  • the heating element 60 provided in the water collection tank 1011 can be used to heat and melt the ice so that the condensed water remains liquid.
  • the water pump 50 is provided with a float level switch 510.
  • the float level switch 510 controls the water pump 50 to work.
  • the condensed water can be transported to the inside of the liquid storage tank 20 through the transport pipeline 70.
  • the heating element 60 is an electric heater, such as an electric heating wire, an electric heating rod, and other structural members with heating functions.
  • the shell 10 has a chassis with a water collecting tank 1011 formed on the chassis, the water pump 50 and the water collecting tank 1011 are arranged on a side of the shell 10 away from the evaporator 40, and the water pump 50 is located at a corner of the shell 10, and the liquid storage tank 20 and the water pump 50 are located in the diagonal direction of the shell 10.
  • the condensed water is transported to the liquid storage tank 20 by setting up a water pump 50 and a delivery pipeline 70.
  • the water pump 50 is located at the corner of the shell 10 to provide power for the condensed water to flow inside the delivery pipeline 70.
  • the above-mentioned layout is conducive to the flow of condensed water and enhances the collection efficiency of condensed water.
  • the arrangement position of the water pump 50 is not limited to being arranged at the corner of the housing 10, but can also be arranged at other positions inside the housing 10, so as to provide power.
  • corner of the housing 10 is formed by connecting two side surfaces of the chassis of the housing 10 .
  • At least a portion of the inner surface of the bottom plate extends obliquely downward in a direction away from the evaporator 40 , so that the condensed water on the side where the evaporator 40 is located flows back into the water collecting tank 1011 .
  • a drain valve 1040 is further provided in the water collection tank 1011 to control whether the condensed water inside the water collection tank 1011 is discharged to the external environment by controlling the on-off of the drain valve 1040 .
  • a rain detection device is provided on the shell 10 for detecting whether it is raining in the external environment and sending a drainage signal when rain is detected.
  • the rain detection device is connected to the drainage valve 1040 so as to open the drainage when the drainage valve 1040 receives the drainage signal.
  • the rain detection device is a rain sensor.
  • the water collecting tank 1011 has different depth areas. As the condensed water in the deep area is pumped out, the condensed water in the shallow area will be replenished into the deep area.
  • the liquid inlet of the delivery pipeline 70 is connected to the deepest area of the water collecting tank 1011 of the chassis to ensure that the condensed water can be fully transmitted.
  • the delivery pipeline 70 includes a first section 701, a second section 702 and a third section 703 connected in sequence, the first section 701 extends along the side of the shell 10, the third section 703 is arranged along the height direction of the shell 10, and the liquid outlet of the third section 703 is located at the top of the liquid storage tank 20.
  • a segmented delivery pipeline 70 is used to achieve the delivery of condensed water, wherein the first section 701 and the second section 702 are bent, and the first section 701 and the second section 702 both extend along two adjacent sides of the shell 10, wherein the first section 701 extends from the pump body toward the evaporator 40, and the second section 702 extends toward the liquid storage tank 20.
  • the specific angles of the first section 701 and the second section 702 can be adaptively set according to installation requirements.
  • the first section 701 and the second section 702 can be set at a right angle.
  • a liquid inlet is provided at one end of the first section 701 away from the second section 702 .
  • first section 701 is used to connect to the water pump 50
  • second section 702 is used to transmit liquid in the direction of the liquid storage tank 20
  • third section 703 is used to transport the liquid to the top of the liquid storage tank 20.
  • the three-section setting is used to transmit liquid to improve the output efficiency of the liquid.
  • the delivery pipeline 70 is made of silicone rubber and can be used at a low temperature of -30°. To ensure that there is no ice or blockage in the pipe, the outer surface of the delivery pipeline 70 is covered with a thermal insulation sponge with a thickness of not less than 9 mm.
  • the liquid storage tank 20 has a primary cavity 202 and a secondary cavity 203 that are connected to each other.
  • the inlet 201 of the liquid storage tank 20 is connected to the primary cavity 202.
  • the primary cavity 202 is provided with a first outlet 204.
  • the first outlet 204 connected to the primary cavity 202 is used to supply condensed water to the evaporator 40.
  • a first outlet 204 for providing condensed water to the evaporator 40 is provided on the primary cavity 202. After the condensed water enters the primary cavity 202, the condensed water can flow from the first outlet 204 to the evaporator 40 to achieve a humidification effect.
  • the liquid storage tank 20 further includes a first valve 80, which is disposed at the first outlet 204 to adjust the on-off state between the primary chamber 202 and the evaporator 40.
  • the first valve 80 is controlled to control whether humidification is performed.
  • the distance h between the first outlet 204 and the bottom surface of the first-stage cavity 202 is 3-5 mm, and can be specifically 3 mm, 3.5 mm, 4 mm, 4.5 mm, or 5 mm.
  • the on/off state of the first valve 80 can be remotely controlled, or the on/off state of the first valve 80 can be manually controlled.
  • the first valve 80 is a solenoid valve.
  • the volume of the primary cavity 202 is smaller than that of the secondary cavity 203 .
  • the secondary cavity 203 is used to store condensed water. Two different implementations are provided according to different structures of the liquid storage tank 20 .
  • a partial area of the liquid storage tank 20 encloses a primary cavity 202, and another part of the liquid storage tank 20 encloses a secondary cavity 203.
  • the height of the liquid storage tank 20 enclosing the secondary cavity 203 is greater than the height of the liquid storage tank 20 enclosing the primary cavity 202, and the liquid storage tank 20 has a 7-shaped structure.
  • the volume of the primary cavity 202 is smaller than the volume of the secondary cavity 203 by not using a height.
  • the primary cavity 202 and the secondary cavity 203 have the same shape
  • the liquid storage tank 20 is an overall rectangular structure
  • the bottom of the primary cavity 202 is higher than the bottom of the secondary cavity 203
  • the volume of the primary cavity 202 is controlled to be smaller than the volume of the secondary cavity 203 by the difference in bottom surface height.
  • the primary cavity 202 and the secondary cavity 203 are arranged in a horizontal direction.
  • the liquid storage tank 20 includes a box body 210, a cover plate 220 and a partition plate 230.
  • the box body 210 has an outlet, and the cover plate 220 is detachably installed on the top of the box body 210.
  • the box body 210 and the cover plate 220 cooperate to form a cavity therebetween.
  • the inlet 201 is arranged on the box body 210 or the cover plate 220, and the partition plate 230 is arranged inside the cavity.
  • the partition plate 230 divides the cavity into a primary cavity 202 and a secondary cavity 203.
  • the inlet 201 may be arranged on the cover plate 220 or the box body 210 , and the specific setting is based on whether the condensed water can enter the interior of the cavity through the inlet 201 under the conveying action of the conveying pipeline 70 .
  • the partition 230 divides the cavity into a primary cavity 202 and a secondary cavity 203, thereby ensuring that the condensed water first enters the interior of the primary cavity 202, and controls whether the condensed water is supplied to the evaporator 40 from the first outlet 204 of the primary cavity 202 as needed, to avoid the condensed water directly entering the interior of the secondary cavity 203.
  • the partition 230 is vertically arranged in the cavity, and an overflow port 231 is arranged on the top of the partition 230.
  • the primary cavity 202 and the secondary cavity 203 are connected through the overflow port 231.
  • the overflow port 231 is arranged on the top of the partition 230 to ensure that the outlet is located below the overflow port 231.
  • the overflow port 231 can also be arranged at other positions of the partition 230. The specific position of the overflow port 231 is based on being higher than the outlet.
  • the overflow port 231 is not limited to be provided to enable the condensed water inside the primary cavity 202 to flow to the secondary cavity 203.
  • An overflow gap may be formed between the top of the partition 230 and the cover plate 220 to allow liquid to flow through the overflow gap.
  • the heat exchange device in order to avoid noise and splashing when the condensed water enters the liquid storage tank 20, the heat exchange device also includes a slow flow component 90, and the inlet 201 is connected to the primary cavity 202 through the slow flow component 90.
  • the slow flow component 90 is used to guide and slow the flow of the condensed water entering from the inlet 201.
  • the slow flow assembly 90 includes a water receiving groove 901, which is formed on the cover plate 220 or the box body 210, and has a water outlet 9011, which is connected to the primary cavity 202.
  • a water receiving groove 901 which is formed on the cover plate 220 or the box body 210, and has a water outlet 9011, which is connected to the primary cavity 202.
  • the condensed water After the condensed water enters from the inlet 201, the condensed water flows along the inner wall of the water receiving groove 901 and flows out from the water outlet 9011. Due to the guiding effect of the water receiving groove 901, the liquid is guided to enter the interior of the primary cavity 202.
  • the water receiving groove 901 when the water receiving groove 901 is provided as a whole with the cover plate 220 , the water receiving groove 901 is formed by at least a portion of the cover plate 220 being recessed into the primary cavity 202 , and the notch of the water receiving groove 901 serves as the inlet 201 .
  • the bottom surface of the water receiving groove 901 is inclined relative to the horizontal plane and has an inclination, the inclination S is 5°-8°, and the bottom surface of the water receiving groove 901 extends downwardly along a direction close to the water outlet 9011.
  • the inclined bottom surface has the effect of not easily generating water accumulation, so that the condensed water flows smoothly into the primary cavity 202.
  • the inclination can be 5°, 6°, 7°, or 8°. If the inclination angle is too small, it is not conducive to the flow of condensed water, and if the inclination angle is too large, the buffering effect is affected.
  • the slow flow component 90 also includes a water retaining rib 902, which is arranged inside the primary cavity 202.
  • the water retaining rib 902 is connected to the cover plate 220 or the box body 210. At least a portion of the water retaining rib 902 is opposite to the water outlet 9011 and is spaced apart, and a flow gap is formed between the water retaining rib 902 and the water outlet 9011, so that the condensed water flowing out of the water outlet 9011 flows into the primary cavity 202 along the flow gap and the water retaining rib 902.
  • the condensed water flowing out of the water outlet 9011 flows into the primary cavity 202 along the flow gap and the water retaining rib 902. Under the guidance of the water retaining rib 902, the condensed water flows along the water retaining rib 902 to the primary cavity 202, so as to achieve the effect of not generating water flow sound or dripping sound.
  • the water retaining rib 902 has a plate-like portion and a raised portion arranged in a T-shape, the plate-like portion is spaced apart from the water outlet 9011 , and the raised portion is disposed toward one end of the inlet 201 .
  • the protrusion is arranged opposite to the water outlet 9011 .
  • At least one end of the plate-like portion is spaced apart from the side of the primary cavity 202 to form a flow channel 903 for condensed water to flow, so that the condensed water, after the buffering effect of the water retaining rib 902, enters the first outlet 204 area of the primary cavity 202 through the flow channel 903.
  • the heat exchange equipment also includes a filter assembly 1020, which is arranged inside the first-level cavity 202.
  • the filter assembly 1020 divides the first-level cavity 202 into a to-be-filtered area 2021 and a filtering area 2022.
  • the inlet 201 is connected to the to-be-filtered area 2021, and the first outlet 204 and the overflow port 231 of the partition 230 are both connected to the filtering area 2022.
  • a filter assembly 1020 is set inside the primary cavity 202, and the condensed water flowing into the inlet 201 enters the area to be filtered 2021.
  • the condensed water in the area to be filtered 2021 enters the filtering area 2022 through the filter assembly 1020.
  • the filtered condensed water enters the secondary cavity 203 or the evaporator 40 to achieve purification of the condensed water.
  • the filter assembly 1020 is vertically disposed inside the primary cavity 202 so that the area to be filtered 2021 and the filtering area 2022 are arranged side by side.
  • the filter assembly 1020 includes at least two vertical poles 10211, a cross bar 10212 and a filter 1022.
  • the at least two vertical poles 10211 are arranged at intervals, and two of the at least two vertical poles 10211 are respectively connected to the partition 230 and the side of the first-level cavity 202, the cross bar 10212 is installed on the bottom surface of the first-level cavity 202 and connected to the vertical poles 10211, the cross bar 10212 and the vertical poles 10211 cooperate to form a filter bracket 1021, and the filter 1022 is installed on the filter bracket 1021.
  • two vertical poles 10211 are connected by a horizontal rod 10212 to form a filter support 1021 , and the filter support 1021 is used to support the filter 1022 .
  • the cross bar 10212 has a preset height, the height H is 8-10 mm, the vertical rod 10211 and the cross bar 10212 cooperate to form a U-shaped filter support 1021, and the height H of the bottom of the filter support 1021 is 8-10 mm.
  • the height of the cross bar 10212 can be set to an adaptive height between 8-10 mm, and the impurities in the condensed water inside the filter area 2021 are stopped by the filter 1022 and then precipitated and dropped to the bottom and stopped by the cross bar 10212.
  • the cross bar 10212 is used to stop the impurities.
  • a mounting groove is provided on the filter support 1021, and the filter 1022 is slidably connected to the mounting groove.
  • a slideway is provided on both the vertical rod 10211 and the horizontal rod 10212, and the vertical rod 10211 and the horizontal rod 10212 cooperate to form a slideway of a U-shaped structure, so that the filter 1022 can be inserted and slid onto the filter support 1021 in the up-down direction, so as to facilitate the loading and unloading of the filter, thereby achieving the effect of facilitating cleaning.
  • the height H of the cross bar 10212 can be 8 mm, 8.5 mm, 9 mm, 9.5 mm, or 10 mm.
  • the heat exchange device further includes a liquid level sensing device 1010 , which is disposed in the secondary cavity 203 .
  • the liquid level sensing device 1010 is provided to detect the condensed water stored inside the secondary cavity 203, so as to achieve the timed treatment of the condensed water.
  • the heat exchange equipment also includes a prompt device, which is electrically connected to the liquid level sensing device 1010.
  • the liquid level sensing device 1010 has a liquid level detection end, and the liquid level detection end is arranged at the top of the secondary cavity 203, so as to send a prompt information to the prompt device when it is detected that the condensed water in the secondary cavity 203 is in a full water state.
  • the prompt device prompts that the liquid storage tank 20 is in a full water state.
  • the prompt device may be a structure such as an alarm, which sends out an alarm when the condensed water in the secondary cavity 203 is full of water to remind the operator to handle the condensed water.
  • the liquid level sensing device 1010 is a float and a sensor device. As the condensed water inside the secondary cavity 203 gradually increases, the float rises with the liquid level. When the float and the sensor device cooperate with each other, the sensing device sends a prompt message to the prompt device.
  • liquid level sensing device 1010 can also be a liquid level sensor to detect water level information and send prompt information to the prompt device after reaching a preset water level.
  • the secondary cavity 203 has a third outlet 206
  • the heat exchange device also includes a second valve 1030.
  • the second valve 1030 is arranged at the third outlet 206 of the outlet of the secondary cavity 203, and the third outlet 206 of the secondary cavity 203 is connected to the water collection tank 1011 of the water collection structure 101 through the second valve 1030 to discharge water into the water collection tank 1011.
  • the second valve 1030 is used to control the discharge of condensed water inside the secondary cavity 203 into the water collecting tank 1011, thereby improving controllability so that when it rains outside, the condensed water inside the secondary cavity 203 can be directly discharged through the water collecting tank 1011.
  • the second valve 1030 is a solenoid valve.
  • the secondary cavity 203 also has a second outlet 205 for connecting to the external environment.
  • the second outlet 205 connected to the external environment can discharge condensed water by removing the liquid storage tank 20, or by adding a drain pipe.
  • the liquid storage tank 20 is detachably installed inside the housing 10, so that the condensed water inside the secondary cavity 203 can be discharged centrally through the second outlet 205 after the liquid storage tank 20 is removed.
  • the heat exchange device further includes a drainage box 30 , which is disposed on the top of the evaporator 40 , and has a drainage cavity communicated with the first outlet 204 of the outlet.
  • the drainage chamber includes a transition chamber 302 connected to the first outlet 204 and a plurality of diversion chambers 301 connected to the transition chamber 302.
  • the plurality of diversion chambers 301 are arranged along the length direction of the evaporator 40.
  • An external connecting hole 350 is provided on the wall surface of each diversion chamber 301.
  • the drainage box 30 includes a box body 320 and a box cover 310 .
  • the box cover 310 is disposed on the box body 320 .
  • the transition chamber 302 and the diversion chamber 301 are disposed inside the box body 320 and the box cover 310 .
  • the drainage box 30 has a transition chamber 302 and a diverter chamber 301. After the condensed water flowing out of the first outlet 204 enters the interior of the transition chamber 302, it enters the interior of the diverter chamber 301 respectively, and flows toward the evaporator 40 through the external connecting hole 350 on the diverter chamber 301.
  • the diverter chamber 301 By setting the diverter chamber 301 so that the liquid can flow evenly toward the evaporator 40, the evaporation efficiency is improved, which is beneficial to improving the humidification efficiency.
  • a plurality of first partition plates 330 are provided in the drainage box 30, and the plurality of first partition plates 330 are arranged at intervals along the thickness direction of the evaporator 40 to form a transition chamber 302, and at least one end of the first partition plate 330 is spaced apart from the inner wall surface of the drainage box 30 to form a connecting channel.
  • At least one second partition plate 340 is also provided in the drainage box 30, and the second partition plate 340 is connected to the first partition plate 330 and the inner wall surface of the drainage box 30, and is divided into a plurality of diversion chambers 301 inside the drainage box 30 by the second partition plate 340.
  • the condensed water entering the drainage box 30 through the first outlet 204 first enters the transition chamber 302 , and the transition chamber 302 diverts the condensed water so that the condensed water flows evenly toward the diversion chamber 301 .
  • first partition plate 330 and the second partition plate 340 are disposed on the box cover 310 .
  • the transition chamber 302 formed by the plurality of first partition plates 330 has a plurality of sub-cavities, and the plurality of sub-cavities are connected to each other. Condensed water inside the transition chamber 302 flows into different diversion chambers 301 through the connecting channels.
  • first partition plates 330 are provided.
  • One first partition plate 330 and the side of the drainage box 30 form a sub-cavity connected to the first outlet 204.
  • Another sub-cavity is formed between the two partition plates 230.
  • the communication port of the two sub-cavities is located in the middle of the other sub-cavity.
  • Two communication channels are formed between the other first partition plate 330 and the drainage box 30 to supply liquid to the two diversion chambers 301.
  • the second partition plate 340 is provided between the other first partition plate 330 and the drainage box 30, and one end of the second partition plate 340 is connected to the middle of the other first partition plate 330, and the other end of the second partition plate 340 is connected to the middle of the side of the drainage box 30, so as to form two equal-sized diversion chambers 301.
  • the external communication hole 350 has a tapered hole section on one side facing the inside of the drainage box 30, and the diameter of the tapered hole section gradually decreases in the direction toward the outside of the drainage box 30.
  • the tapered hole section of the external communication hole 350 is conducive to collecting water and achieving the technical effect of drainage.
  • the external communication hole 350 also has a circular hole section, which is connected to the conical hole section, so that the condensed water enters the evaporator 40 after passing through the conical hole section and the circular hole section.
  • the diameter of the circular hole section is equal to the minimum diameter of the conical hole section and is coaxially arranged.
  • a plurality of external communication holes 350 are provided in each diverter chamber 301.
  • the diameters of the plurality of external communication holes 350 are not completely equal, and the diameter of the external communication holes 350 near the connecting position between the transition chamber 302 and the diverter chamber 301 is smaller than the diameter of the external communication holes 350 far from the connecting position between the transition chamber 302 and the diverter chamber 301.
  • the diameter of the external communication holes 350 near the connecting position between the transition chamber 302 and the diverter chamber 301 is smaller than the diameter of the external communication holes 350 far from the connecting position between the transition chamber 302 and the diverter chamber 301.
  • a drainage channel 102 is also provided on the shell 10.
  • the drainage channel 102 is arranged between the liquid outlet of the evaporator 40 and the water collecting tank 1011 to enable the condensed water that flows through the evaporator 40 and is not evaporated to flow back to the inside of the water collecting tank 1011.
  • the secondary chamber 203 is provided with an outlet for supplying liquid to the evaporator 40 .
  • the condensed water is filtered inside the primary cavity 202 and then overflows into the secondary cavity 203 , and can provide the condensed water to the evaporator 40 through the outlet.
  • both the primary cavity 202 and the secondary cavity 203 are provided with outlets for supplying liquid to the evaporator 40 .
  • a plurality of outlets for providing condensed water to the evaporator 40 are provided, thereby increasing controllability and avoiding the problem that the condensed water cannot flow to the evaporator 40 as a whole when a single outlet cannot be used.
  • the filter assembly 1020 is horizontally placed inside the first-level cavity 202 .
  • the filter assembly 1020 divides the primary cavity 202 into a to-be-filtered area 2021 and a filtering area 2022 arranged vertically, and the condensed water enters the interior of the filtering area 2022 after passing through the filter assembly.
  • the filter assembly 1020 includes a filter bracket 1021 disposed on the inner wall surface of the primary cavity 202.
  • the filter bracket 1021 is used to install and support the filter 1022.
  • the filter 1022 is located above the filter bracket 1021 to facilitate the removal of the filter 1022.
  • the filter 1022 is not limited to being arranged above the filter bracket 1021 as described above.
  • the filter bracket 1021 may also have an installation groove, and the filter 1022 is installed inside the installation groove. When the filter 1022 needs to be replaced, the filter assembly 1020 is completely disassembled.
  • the heat exchange equipment of the present application collects the condensed water generated during use through the water collecting structure 101, and supplies the condensed water to the evaporator 40, and the condensed water is evaporated and consumed through the evaporator 40, so as to consume the condensed water and humidify the air at the same time; the present application is also provided with a liquid storage tank 20 to collect excess condensed water, and supplies liquid to the evaporator 40 through the liquid storage tank 20 or collects condensed water through the liquid storage tank 20 to discharge the condensed water in a centralized manner, thereby realizing centralized treatment of the condensed water and avoiding arbitrary discharge of condensed water that affects environmental protection.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

La présente demande concerne un appareil d'échange de chaleur. L'appareil d'échange de chaleur comprend : une enveloppe, l'enveloppe étant pourvue d'une structure de collecte d'eau, et la structure de collecte d'eau étant utilisée pour collecter de l'eau de condensation ; un évaporateur, l'évaporateur étant disposé dans l'enveloppe ; et un réservoir de stockage de liquide, au moins une partie de la structure de collecte d'eau communiquant avec une entrée du réservoir de stockage de liquide, et au moins une sortie du réservoir de stockage de liquide fournissant de l'eau de condensation à l'évaporateur, de façon à obtenir une fonction d'humidification. L'appareil d'échange de chaleur selon la présente demande peut résoudre le problème du traitement d'eau de condensation incomplet d'appareils d'échange de chaleur dans l'état de la technique.
PCT/CN2022/140820 2022-10-19 2022-12-21 Appareil d'échange de chaleur WO2024082428A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211289974.7A CN115560392A (zh) 2022-10-19 2022-10-19 换热设备
CN202211289974.7 2022-10-19

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WO2024082428A1 true WO2024082428A1 (fr) 2024-04-25

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PCT/CN2022/140820 WO2024082428A1 (fr) 2022-10-19 2022-12-21 Appareil d'échange de chaleur

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CN (1) CN115560392A (fr)
WO (1) WO2024082428A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070425A (en) * 1997-08-11 2000-06-06 Denso Corporation Air-conditioning apparatus
CN102331041A (zh) * 2010-07-13 2012-01-25 苏州皇家整体住宅系统股份有限公司 一种采用雨水回收蒸发式冷却空调
CN106855269A (zh) * 2017-04-18 2017-06-16 广东美的制冷设备有限公司 冷凝水收集装置及空调器
CN111607946A (zh) * 2020-05-09 2020-09-01 海信（山东）冰箱有限公司 衣物护理设备
CN111912028A (zh) * 2020-08-14 2020-11-10 珠海格力电器股份有限公司 换热器组件及具有其的空调系统
CN115479326A (zh) * 2022-10-19 2022-12-16 珠海格力电器股份有限公司 换热设备
CN218379653U (zh) * 2022-10-19 2023-01-24 珠海格力电器股份有限公司 换热设备

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6070425A (en) * 1997-08-11 2000-06-06 Denso Corporation Air-conditioning apparatus
CN102331041A (zh) * 2010-07-13 2012-01-25 苏州皇家整体住宅系统股份有限公司 一种采用雨水回收蒸发式冷却空调
CN106855269A (zh) * 2017-04-18 2017-06-16 广东美的制冷设备有限公司 冷凝水收集装置及空调器
CN111607946A (zh) * 2020-05-09 2020-09-01 海信（山东）冰箱有限公司 衣物护理设备
CN111912028A (zh) * 2020-08-14 2020-11-10 珠海格力电器股份有限公司 换热器组件及具有其的空调系统
CN115479326A (zh) * 2022-10-19 2022-12-16 珠海格力电器股份有限公司 换热设备
CN218379653U (zh) * 2022-10-19 2023-01-24 珠海格力电器股份有限公司 换热设备

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