Air conditioner range hood
By collecting and recycling condensate in an air-conditioned range hood, the problems of increased costs due to condensate discharge and external pipe insulation are solved, thereby improving system reliability and heat exchange efficiency.
Patent Information
- Application Number
- CN202110917866.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-08-11
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2041-08-11
AI Technical Summary
The existing air-conditioning type range hood directly discharges condensate, which increases costs and is prone to leakage and environmental corrosion. In addition, it is difficult to guarantee the quality and effectiveness of external insulation of the refrigeration system pipes.
The condensate from the indoor unit of the air conditioner is collected on the surface of the condenser and circulated through the water circuit. The condensate is then transported to the surface of the condenser through a first water collection box and a water pump. Combined with a liquid distributor, the heat exchange effect is improved. A second water collection box is installed in the pipeline to collect the condensate from the pipeline wall, so as to achieve the reuse and centralized treatment of the condensate.
It improves the system reliability of air-conditioning range hoods, reduces insulation costs and process risks, and enables the reuse of condensate and improves heat exchange efficiency.
Smart Images

Figure CN115704568B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an air-conditioning type range hood. Background Technology
[0002] Existing air-conditioning type range hoods integrate an indoor air conditioning unit inside the casing. During operation, condensation forms on the evaporator surface of this unit. Currently, this condensation is typically discharged directly to the outside, requiring an external water pipe. This not only increases costs but also leads to condensation buildup and potential leaks. Furthermore, direct discharge of condensation can cause long-term erosion of the user's exterior walls and dripping into the external environment. Additionally, the piping in the air conditioning refrigeration system, including the capillary tube structure, evaporator inlet piping, and gas-liquid separator, also condenses on its surfaces during operation. Currently, external insulation is commonly used, but this process conflicts with the welding process, making it difficult to guarantee the quality and effectiveness of the insulation. In conclusion, further improvements are needed to the existing air-conditioning type range hoods. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to provide an air-conditioning type range hood that can collect the condensate water from the indoor unit of an air conditioner and transport it to the condenser, and can also realize water circulation, in view of the above-mentioned existing technology.
[0004] The technical solution adopted by the present invention to solve the above-mentioned technical problems is as follows: The air-conditioning type range hood includes an evaporator installed inside the indoor unit, a compressor, a condenser, and a range hood fan. Along the airflow direction, the condenser is located in the exhaust chamber downstream of the range hood fan. The compressor, condenser, and evaporator are connected via refrigerant pipes. The feature is that it further includes a first water collection box, with a first water inlet connector and a second water inlet connector. The indoor unit has an indoor unit water outlet, and the bottom of the exhaust chamber has a drain outlet. The indoor unit water outlet is connected to the first water inlet connector, and the drain outlet is connected to the second water inlet connector. Condensate in the first water collection box can be transported to the surface of the condenser. Condensate flowing down from the condenser surface flows out from the drain outlet and can return to the first water collection box through the second water inlet connector.
[0005] Preferably, the system also includes a second water collection box for collecting condensate on the surface of the refrigerant piping. The second water collection box has a condensate outlet, and the first water collection box has a third water inlet connector, with the condensate outlet connected to the third water inlet connector. This allows for the complete collection and centralized treatment of condensate from the refrigeration system piping walls, eliminating the need for external insulation of the piping, thus saving on insulation costs and process risks, and improving system reliability.
[0006] In order to deliver the condensate in the first water collection box to the surface of the condenser, a water pump is installed in the first water collection box, and a liquid distributor is provided in the exhaust chamber. The liquid distributor is installed on the condenser and is used to distribute the condensate on the surface of the condenser. The outlet of the water pump is connected to the inlet of the outlet pipe, and the outlet of the outlet pipe is connected to the inlet of the liquid distributor.
[0007] To prevent air leakage in the exhaust chamber, the water outlet pipe is sealed to the side wall of the exhaust chamber using a sealing block.
[0008] Preferably, the first water collection box has a condensate drain outlet on its side wall, which is inserted into the air inlet cavity of the range hood. In this way, when the water in the first water collection box reaches a certain amount, it can flow into the air inlet cavity through the condensate drain outlet and be discharged outwards with the oil fume flow.
[0009] As a preferred embodiment, both the first water inlet connector and the second water inlet connector are located inside the first water receiving box and extend upward from the inner bottom of the first water receiving box.
[0010] Further preferably, notches are provided on the side walls of the first and second water inlet connectors. These notches facilitate the flow of water from the water inlet pipe into the water collection box after the water inlet connector is connected, and also prevent the formation of water bubbles in the water collection box.
[0011] As another preferred embodiment, the first water inlet connector is located on the side wall of the first water receiving box, and the inner side wall of the first water receiving box where the first water inlet connector is located is provided with vertically arranged guide ribs. In this way, the condensate entering from the first water inlet connector can flow into the water receiving box vertically along the guide ribs, preventing water spraying.
[0012] In order to sense the water level in the water collection box, a water level sensor is installed on the first water collection box.
[0013] In a further preferred embodiment, the bottom surface of the first water receiving box has a downward-protruding protrusion, which is mounted on the chassis of the range hood and abuts against the chassis. The protrusion mainly serves two purposes: firstly, it prevents the bottom surface of the box from directly contacting the chassis, thus preventing vibration caused by contact between the water receiving box and the chassis surface; secondly, it allows the water receiving box to be easily installed and fixed to the chassis.
[0014] Compared with the prior art, the advantages of the present invention are as follows: When the air-conditioning range hood is working in air-conditioning mode, the condensate discharged from the indoor unit of the air conditioner can flow into the first water collection box through the first water inlet connector of the first water collection box. After the condensate in the first water collection box is discharged, it can be sent to the condenser to cool the condenser and improve its heat exchange effect. The condensate that is not evaporated by the condenser can also flow back into the first water collection box to realize the reuse of condensate. In addition, all the condensate on the pipe wall of the refrigeration system is collected and centrally treated. The pipe does not need to be externally insulated, saving insulation costs and process risks, and improving system reliability. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of an air-conditioning type range hood according to an embodiment of the present invention;
[0016] Figure 2 for Figure 1 The diagram shows a structural schematic of an air-conditioning type range hood from another angle.
[0017] Figure 3 for Figure 1 The image shows a top view of an air-conditioning type range hood;
[0018] Figure 4 This is a partial structural schematic diagram of an air-conditioning type range hood according to an embodiment of the present invention;
[0019] Figure 5 This is a schematic diagram of the structure of the first water receiving box and the water outlet pipe according to an embodiment of the present invention;
[0020] Figure 6 This is a schematic diagram of the structure of the first water receiving box according to an embodiment of the present invention;
[0021] Figure 7 for Figure 6 The diagram shows the structure of the first water receiving box after removing the water pump and water level sensor.
[0022] Figure 8 for Figure 7 A structural schematic diagram of the first water receiving box from another angle;
[0023] Figure 9 This is a schematic diagram of the structure of the second water receiving box according to an embodiment of the present invention;
[0024] Figure 10 This is a schematic diagram of the air conditioning component according to an embodiment of the present invention. Detailed Implementation
[0025] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0026] like Figures 1 to 4As shown, the air-conditioning range hood of this embodiment includes an indoor air conditioner unit 1, with an evaporator 2 installed inside. The range hood includes a casing (not shown in the figure), inside which a compressor 3, a condenser 4, and a fume extraction fan 5 are installed. Along the airflow direction, the condenser 4 is located in the exhaust chamber 6 downstream of the fume extraction fan 5. The compressor 3, condenser 4, and evaporator 2 are connected by a refrigerant pipe 13. The compressor 3, condenser 4, and evaporator 2 constitute an air conditioning assembly, and its working principle is the same as that of existing air conditioners, which will not be described in detail here. An exhaust fan 14 is installed inside the indoor air conditioner unit 1. During operation, the indoor air conditioner unit 1 blows out cold air, and the oily smoke airflow entering the exhaust chamber 6 can carry away the heat from the condenser 4, dissipating heat and improving its heat exchange effect.
[0027] In this embodiment, a first water collection box 7 is installed inside the housing. The first water collection box 7 has a first water inlet connector 71, a second water inlet connector 72, a third water inlet connector 73, and a condensate drain outlet 75. The indoor unit 1 of the air conditioner has an indoor unit water outlet 11, which is connected to the first water inlet connector 71 through a water pipe, so that the condensate water condensed on the surface of the evaporator 2 can flow into the first water collection box 7.
[0028] In this embodiment, a liquid distributor 9 is installed inside the exhaust chamber 6. The liquid distributor 9 is mounted on the condenser 4, and the condensate flowing from the liquid distributor 9 can flow downwards along the surface of the condenser 4. A water pump 74 is installed on the first water receiving box 7. The outlet of the water pump 74 is connected to the inlet of the water outlet pipe 10, and the outlet of the water outlet pipe 10 is connected to the inlet of the liquid distributor 9. When the water pump 74 is working, the condensate in the first water receiving box 7 is delivered to the liquid distributor 9, and then flows to the condenser 4 to dissipate heat from the condenser 4, thereby further improving its heat exchange effect. In addition, in order to prevent air leakage at the connection between the water outlet pipe 10 and the exhaust chamber 6, the water outlet pipe 10 and the side wall of the exhaust chamber 6 are sealed with a sealing block.
[0029] The bottom of the exhaust chamber 6 is provided with a drain outlet 61. The drain outlet 61 is connected to the second water inlet connector 72 through a water pipe. As the condensate flows downward along the surface of the condenser 4, some of the condensate is heated and evaporated. The condensate that is not evaporated flows into the exhaust chamber 6 along the surface of the condenser 4, and then flows out from the drain outlet 61. It then flows back into the first water collection box 7 through the second water inlet connector 72, thus realizing the recycling of condensate.
[0030] The first water inlet connector 71 can be located inside the first water receiving box 7 and extends upward from the inner bottom of the first water receiving box 7. A notch 76 is opened on the side wall of the first water inlet connector 71. The second water inlet connector 72 is located inside the first water receiving box 7 and extends upward from the inner bottom of the first water receiving box 7. A notch 76 is opened on the side wall of the second water inlet connector 72. In use, the first water inlet connector 71 is connected to the indoor unit's water outlet 11 through a rubber hose, and the second water inlet connector 72 is connected to the drain outlet 61 through a rubber hose. The notch 76 structure facilitates the flow of water in the rubber hose into the water receiving box and also prevents water bubbles from forming in the water receiving box.
[0031] In this embodiment, the first water inlet connector 71 can also be disposed on the side wall of the first water receiving box 7, extending horizontally outward from the side wall of the first water receiving box 7. Furthermore, a vertically arranged guide rib 77 is provided on the inner side wall of the first water receiving box 7 where the first water inlet connector 71 is located. The purpose of providing the guide rib 77 is to allow the condensate entering from the first water inlet connector 71 to flow vertically into the first water receiving box 7 along the guide rib 77, thereby preventing water spraying.
[0032] The condensate exhaust port 75 is located on the side wall of the first water receiving box 7. The condensate exhaust port 75 is inserted into the air inlet cavity of the fume extractor 5. When the condensate in the first water receiving box 7 is stored to a certain amount, it can flow into the air inlet cavity through the condensate exhaust port 75 and be discharged outward with the oil fume airflow.
[0033] The refrigerant pipe 13 of the air conditioning unit is usually made of copper pipe. During the operation of the air conditioner, condensate will be generated on the outer wall of the copper pipe. In order to collect this condensate, a second water collection box 8 is installed in the housing. The second water collection box 8 is placed below the pipe of the refrigeration system. The second water collection box 8 is provided with a condensate outlet 81. The condensate outlet 81 is connected to the third water inlet connector 73 through a water pipe. The position of the condensate outlet 81 is higher than that of the third water inlet connector 73. After the condensate in the second water collection box 8 flows out from the condensate outlet 81, it flows into the first water collection box 7 through the third water inlet connector.
[0034] In addition, a water level sensor 78 is installed on the first water receiving box 7 to sense the water level in the first water receiving box 7 and to determine whether the water pump 74 is turned on.
[0035] The bottom surface of the first water receiving box 7 has a protrusion 79 protruding downwards, which is used to abut against the base 12 of the range hood. The protrusion 79 abuts against the base 12 to prevent the bottom surface of the water receiving box from directly contacting the base 12, thus preventing vibration caused by contact between the water receiving box and the base surface. In addition, the first water receiving box 7 can also be fixed to the base 12 by the protrusion 79.
Claims
1. An air-conditioning type range hood, comprising an indoor air-conditioning unit (1), wherein an evaporator (2) is installed inside the indoor air-conditioning unit (1), and further comprising a compressor (3), a condenser (4), and a range hood fan (5), wherein the condenser (4) is located in the exhaust chamber (6) downstream of the range hood fan along the airflow direction, and the compressor (3), condenser (4), and evaporator (2) are connected by a refrigerant pipe (13), characterized in that: It also includes a first water collection box (7), on which a first water inlet connector (71) and a second water inlet connector (72) are provided. The indoor unit (1) of the air conditioner has an indoor unit water outlet (11), and the bottom of the exhaust chamber (6) is provided with a drain outlet (61). The indoor unit water outlet (11) is connected to the first water inlet connector (71), and the drain outlet (61) is connected to the second water inlet connector (72). The condensate in the first water collection box (7) can be transported to the surface of the condenser (4). The condensate flowing down from the surface of the condenser (4) flows out from the drain outlet (61) and can flow back to the first water collection box (7) through the second water inlet connector (72). A water pump (74) is installed inside the box (7). A liquid distributor (9) is provided in the exhaust chamber (6). The liquid distributor (9) is installed on the condenser (4) and is used to distribute condensate on the surface of the condenser (4). The outlet of the water pump (74) is connected to the inlet of the outlet pipe (10). The outlet of the outlet pipe (10) is connected to the inlet of the liquid distributor (9). The first inlet connector (71) and the second inlet connector (72) are both located inside the first water receiving box (7) and extend upward from the bottom of the first water receiving box (7). A notch (76) is opened on the side wall of the first inlet connector (71) and the second inlet connector (72).
2. The air-conditioning type range hood according to claim 1, characterized in that: It also includes a second water collection box (8), which is used to collect condensate on the surface of the refrigerant pipe (13). The second water collection box (8) is provided with a condensate outlet (81), and the first water collection box (7) is provided with a third water inlet connector (73). The condensate outlet (81) is connected to the third water inlet connector (73).
3. The air-conditioning type range hood according to claim 1, characterized in that: The water outlet pipe (10) and the side wall of the smoke exhaust chamber (6) are sealed together by a sealing block.
4. The air-conditioning type range hood according to claim 1, characterized in that: The first water collection box (7) has a condensate drain (75) on its side wall, and the condensate drain (75) is inserted into the air inlet cavity of the fume extractor (5).
5. The air-conditioning type range hood according to claim 1, characterized in that: A water level sensor (78) is installed on the first water receiving box (7).
6. The air-conditioning type range hood according to any one of claims 1 to 5, characterized in that: The bottom surface of the first water receiving box (7) is provided with a protrusion (79), which is mounted on the chassis (12) of the range hood and abuts against the chassis (12).
Citation Information
Patent Citations
Air-conditioning type range hood
CN216307897U