WO2023015861A1 - Air-conditioner type range hood - Google Patents

Abstract

An air-conditioner type range hood, comprising an air conditioner internal unit (1), a compressor (3), a condenser (4) and an oil fume suction fan (5), wherein the condenser (4) is arranged in a fume discharge cavity (6), which is downstream of the oil fume suction fan (5); a first water intake joint (71) and a second water intake joint (72) are provided on a first water receiving box (7); an internal unit water outlet (11) of the air conditioner internal unit (1) communicates with the first water intake joint (71); a water discharge port (61), which is at the bottom of the fume discharge cavity (6), communicates with the second water intake joint (72); condensed water in the first water receiving box (7) is delivered to a surface of the condenser (4); and condensed water flowing from the surface of the condenser (4) flows back into the first water receiving box (7) by means of the second water intake joint (72). In the air-conditioner type range hood, condensed water discharged from the air conditioner internal unit (1) can flow into the first water receiving box (7), condensed water in the first water receiving box (7) can be delivered to the condenser (4) after being discharged, so as to cool the condenser, such that a heat exchange effect of the condenser is improved, and condensed water which is not evaporated by the condenser (4) can also flow back into the first water receiving box (7), so as to recycle condensed water.

Description

An air-conditioned range hood technical field

The invention relates to an air-conditioning range hood.

Background technique

Existing air-conditioning range hoods are integrated with an air-conditioning inner unit inside the cabinet. When working, condensed water will condense on the surface of the evaporator of the air-conditioning inner unit. At present, the condensed water is usually discharged directly to the outside, which requires External water pipes not only increase the cost, but also the condensed water is easy to accumulate, causing local water leakage. In addition, the condensed water is directly discharged, which is easy to cause long-term erosion of the user's external wall and dripping in the external environment. In addition, the pipelines of the air-conditioning and refrigeration system include capillary structures, evaporator inlet pipeline structures, and gas-liquid separators. Condensed water will condense on the surface during operation. Conflict, it is difficult to guarantee the quality and effect of heat preservation. To sum up, it is necessary to further improve the existing air-conditioning range hoods.

Contents of the invention

The technical problem to be solved by the present invention is to provide an air-conditioning range hood that can collect the condensed water of the air-conditioning inner unit and transport it to the condenser and realize water circulation.

The technical solution adopted by the present invention to solve the above-mentioned technical problems is: the air-conditioning range hood includes an air-conditioning inner unit, a compressor, a condenser and a range hood fan, an evaporator is installed inside the air-conditioning inner unit, and the range hood has an air flow In the flow channel, a smoke exhaust chamber is arranged downstream of the oil suction fan in the airflow flow channel, the condenser is arranged in the smoke exhaust chamber, and the compressor, condenser, and evaporator are connected through refrigerant pipelines, It is characterized in that it also includes a first water receiving box, the first water receiving box is provided with a first water inlet joint and a second water inlet joint, the air conditioner inner unit has an inner unit water outlet, and the smoke exhaust The bottom of the cavity is provided with a drain port, the water outlet of the internal unit is connected with the first water inlet joint, the drain port is connected with the second water inlet joint, and the condensed water in the first water receiving box can be transported to the The condensed water flowing down from the surface of the condenser flows out from the drain port and can flow back into the first water receiving box through the second water inlet joint.

Preferably, it also includes a second water receiving box, the second water receiving box is used to collect condensed water condensed on the surface of the refrigerant pipeline, the second water receiving box is provided with a condensed water outlet, and the first water receiving box The water receiving box is provided with a third water inlet joint, and the condensed water outlet is in communication with the third water inlet joint. In this way, all the condensed water on the wall surface of the refrigeration system pipeline is collected and processed centrally, and the pipeline does not need external insulation, which saves insulation costs and process risks, and improves system reliability.

In order to transport the condensed water in the first water receiving box to the surface of the condenser, a water pump is installed in the first water receiving box, and a liquid distributor is installed in the smoke exhaust chamber, and the liquid distributor is installed On the condenser and used to lay condensed water on the surface of the condenser, the water outlet of the water pump is connected with the water inlet end of the water outlet pipe, and the water outlet end of the water outlet pipe is connected with the water inlet of the liquid distributor connected.

In order to avoid air leakage in the smoke exhaust chamber, the water outlet pipe is sealed with the side wall of the smoke exhaust chamber by a sealing block.

Further preferably, the side wall of the first water receiving box is provided with a condensed water outlet, and the condensed water outlet is inserted into the air inlet cavity of the range hood fan. In this way, when the water in the first water receiving box is stored to a certain amount, it can flow into the air inlet cavity through the condensed water outlet, and be discharged outward along with the oil fume flow.

As a preferred solution, both the first water inlet joint and the second water inlet joint are arranged inside the first water receiving box and extend upward from the inner bottom of the first water receiving box.

Further preferably, gaps are formed on the side walls of the first water inlet joint and the second water inlet joint. After the gap is set, when the water inlet joint is connected to the water receiving pipe, it is convenient for the water in the water receiving pipe to flow into the water receiving box, and it is also possible to prevent the generation of blisters in the water receiving box.

As another preferred solution, the first water inlet connector is arranged on the side wall of the first water receiving box, and the inner wall of the first water receiving box where the first water inlet connector is located is provided with a vertical guide ribs. In this way, the condensed water entering from the first water inlet joint can flow into the water receiving box through the vertical guide ribs, so as to prevent water spraying.

In order to sense the water level in the water receiving box, a water level sensor is installed on the first water receiving box.

Further preferably, the lower bottom surface of the first water receiving box is provided with a protrusion protruding downward, and the protrusion is installed on the chassis of the range hood and abuts against the chassis of the chassis. The bump mainly plays two roles, one is to prevent the bottom surface of the box from directly contacting the chassis of the box, and prevent vibration caused by the contact between the water box and the chassis surface, and the other is to install and fix the water box on the box through the bump. On the chassis of the box, the installation is very convenient.

Compared with the prior art, the present invention has the advantage that: when the air-conditioning range hood works in the air-conditioning mode, the condensed water discharged from the air-conditioning inner unit can flow into the first connection through the first water inlet connection of the first water connection box. In the water box, the condensed water in the first water receiving box can be sent to the condenser to cool down the condenser after being drained to improve its heat exchange effect, and the condensed water that has not been evaporated by the condenser can also flow back to the first water receiving box In order to realize the reuse of condensed water, all the condensed water on the wall of the refrigeration system pipeline is collected and processed centrally. The pipeline does not need external insulation, which saves the cost of insulation and process risks, and improves the reliability of the system.

Description of drawings

FIG. 1 is a schematic structural view of an air-conditioned range hood according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of another angle of the air-conditioned range hood shown in Fig. 1;

Fig. 3 is a top view of the air-conditioned range hood shown in Fig. 1;

Fig. 4 is a schematic diagram of a partial structure of an air-conditioned range hood according to an embodiment of the present invention;

5 is a schematic structural view of a first water receiving box and a water outlet pipe according to an embodiment of the present invention;

6 is a schematic structural view of a first water receiving box according to an embodiment of the present invention;

Fig. 7 is a schematic structural view of the first water receiving box shown in Fig. 6 after removing the water pump and the water level sensor;

Fig. 8 is a structural schematic diagram of another angle of the first water receiving box shown in Fig. 7;

9 is a schematic structural diagram of a second water receiving box according to an embodiment of the present invention;

Fig. 10 is a schematic diagram of the connection principle of the air conditioning assembly according to the embodiment of the present invention;

Fig. 11 is a schematic diagram of water flow in an embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

As shown in Fig. 1 to Fig. 4, it is a preferred embodiment of the air-conditioned range hood of the present invention. The air-conditioned range hood includes an air-conditioning internal unit 1, an evaporator 2, a compressor 3, a condenser 4 and a range hood fan 5;

Wherein, the air conditioner internal unit 1, compressor 3, condenser 4 and oil suction blower 5 are all installed in a casing (not shown in the figure), and the specific positions of these components in the casing can be rationally arranged according to needs, and the evaporation The device 2 is installed in the inner unit 1 of the air conditioner.

The range hood has an air flow channel, that is, the flow channel inside the range hood during the period from the oil fume being inhaled to being discharged. Simply, along the oil fume flow direction, the air flow channel can include the upstream of the oil suction fan 5, the suction The interior of the range fume fan 5 and the downstream of the range fume fan 5 are provided with a smoke exhaust chamber 6 downstream of the range fume fan 5 in the air flow passage, and the condenser 4 is arranged in the smoke discharge chamber 6 .

The compressor 3, the condenser 4, and the evaporator 2 constitute the working components of the air conditioner, and its working principle is the same as that of the existing air conditioner, so it will not be repeated here. The compressor 3, the condenser 4, and the evaporator 2 are connected through a refrigerant pipeline 13 to form a communication circuit. Specifically, the compressor 3 is connected between the condenser 4 and the evaporator 2, and the condenser 4 is connected to the compressor 3. , Between the evaporator 2, the evaporator 2 is connected between the compressor 3 and the condenser 4, as shown in FIG. 10 .

An air outlet fan 14 is installed inside the air-conditioning inner unit 1. During operation, the air-conditioning inner unit 1 blows out cold wind, and the oil fume airflow entering the smoke exhaust chamber 6 can take away the heat of the condenser 4 to dissipate heat from the condenser 4 to improve its performance. Heat exchange effect.

In this embodiment, a first water receiving box 7 is installed in the casing, and the first water receiving box 7 has a first water inlet connector 71, a second water inlet connector 72, a third water inlet connector 73 and an outer outlet for condensed water 75. The air conditioner indoor unit 1 has an inner unit water outlet 11, and the inner unit water outlet 11 is connected to the first water inlet joint 71 through a water pipe, so that the condensed water condensed on the surface of the evaporator 2 can flow into the first water receiving box 7, see Fig. 11.

In this embodiment, a liquid distributor 9 is provided inside the smoke exhaust chamber 6 , and the liquid distributor 9 is installed on the condenser 4 , and the condensed water flowing out from the liquid distribution flow 9 can flow downward along the surface of the condenser 4 . A water pump 74 is installed on the first water receiving box 7, and the water outlet of the water pump 74 is connected with the water inlet of the water outlet pipe 10, and the water outlet of the water outlet pipe 10 is connected with the water inlet of the liquid distributor 9, and when the water pump 74 works, The condensed water 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, so as to further improve its heat exchange effect. In addition, in order to avoid air leakage at the connection between the water outlet pipe 10 and the smoke exhaust chamber 6 , the water outlet pipe 10 and the side wall of the smoke exhaust chamber 6 are sealed by a sealing block 11 .

The bottom of the smoke exhaust chamber 6 is provided with a drain port 61, and the drain port 61 is connected to the second water inlet joint 72 through a water pipe. During the downward flow of the condensed water along the surface of the condenser 4, part of the condensed water is evaporated after being heated. The condensed water that has not been evaporated flows into the smoke exhaust chamber 6 along the surface of the condenser 4, and then flows out from the drain port 61, and then flows back into the first water receiving box 7 through the second water inlet joint 72 to realize the recycling of condensed water .

The first water inlet connector 71 can be arranged inside the first water receiving box 7 and extend upward from the inner bottom of the first water receiving box 7 , and a notch 76 is opened on the side wall of the first water inlet connector 71 . The second water inlet joint 72 is disposed 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 formed on the side wall of the second water inlet joint 72 . When in use, the first water inlet joint 71 communicates with the water outlet 11 of the internal machine through a rubber hose, and the second water inlet joint 72 communicates with the water outlet 61 through a rubber hose. The water flowing into the water receiving box can also prevent blisters from being produced in the water receiving box.

The first water inlet joint 71 of this embodiment can also be arranged on the side wall of the first water receiving box 7, extending horizontally from the side wall of the first water receiving box 7, and the first water inlet joint 71 is located A vertical guide rib 77 is provided on the inner wall of the first water receiving box 7 . The purpose of setting the guide ribs 77 is to allow the condensed water entering from the first water inlet joint 71 to flow into the first water receiving box 7 vertically through the guide ribs 77 to prevent water spraying.

The condensed water exhaust port 75 is arranged on the side wall of the first water receiving box 7, and the condensed water outlet 75 is inserted into the air inlet cavity of the range hood fan 5. When the condensed water in the first water receiving box 7 is stored to a certain After being measured, the condensed water can flow into the air intake chamber through the outlet 75, and be discharged outward along with the oil fume flow.

The refrigerant pipeline 13 of the air-conditioning unit usually adopts copper pipes. During the working process of the air conditioner, condensed water will be generated on the outer wall of the copper pipes. In order to collect this part of condensed water, a second water receiving box 8 is also installed in the casing. The water box 8 is placed under the pipeline of the refrigeration system. The second water box 8 is provided with a condensed water outlet 81. The condensed water outlet 81 is connected to the third water inlet joint 73 through a water pipe. The condensed water outlet 81 is located higher than The third water inlet joint 73 , after the condensed water in the second water receiving box 8 flows out from the condensed water outlet 81 , it flows into the first water receiving box 7 through the third water inlet joint, as shown in FIG. 11 .

In addition, a water level sensor 78 is installed on the first water receiving box 7 , and the water level of the first water receiving box 7 is sensed by the water level sensor 78 to determine whether the water pump 74 is turned on.

The lower bottom surface of the first water receiving box 7 is protruded downward with a protruding block 79, and the protruding block 79 is used to abut against the box chassis 12 of the range hood. The bump 79 is in contact with the chassis of the box to prevent the bottom surface of the water receiving box from directly contacting the chassis of the box 12 and prevent the vibration caused by the contact between the water receiving box and the chassis surface. In addition, the first water receiving box 7 can also be fixed by the bump 79 On the box chassis 12.

Claims (10)

An air-conditioning range hood, comprising an air-conditioning internal unit (1), a compressor (3), a condenser (4) and a range hood fan (5), and an evaporator (2) is installed inside the air-conditioning internal unit (1) ), the range hood has an air flow channel, and a smoke exhaust cavity (6) is arranged downstream of the range hood fan (5) in the air flow flow channel, and the condenser (4) is arranged in the smoke exhaust cavity (6), The compressor (3), the condenser (4), and the evaporator (2) are connected through a refrigerant pipeline (13), which is characterized in that: Also includes a first water receiving box (7), the first water receiving box (7) is provided with a first water inlet joint (71) and a second water inlet joint (72); The air conditioner inner unit (1) has an inner unit water outlet (11), the bottom of the smoke exhaust chamber (6) is provided with a drain outlet (61), and the inner unit water outlet (11) is connected to the first water inlet joint (71) are connected, and the drain port (61) is connected with the second water inlet joint (72), and the condensed water in the first water receiving box (7) can be transported to the surface of the condenser (4) , the condensed water flowing down from the surface of the condenser (4) flows out from the drain port (61) and can flow back into the first water receiving box (7) through the second water inlet joint (72). The air-conditioned range hood according to claim 1, characterized in that: it also includes a second water receiving box (8), and the second water receiving box (8) is used to collect condensation on the refrigerant pipeline (13) Condensed water on the surface, the second water receiving box (8) is provided with a condensed water outlet (81), the first water receiving box (7) is provided with a third water inlet joint (73), and the condensed water The water outlet (81) communicates with the third water inlet joint (73). The air-conditioned range hood according to claim 1, characterized in that: a water pump (74) is installed in the first water receiving box (7), and a liquid distribution system is installed in the smoke exhaust chamber (6). device (9), the liquid distributor (9) is installed on the condenser (4) and is used to arrange the condensed water on the surface of the condenser (4), the water outlet of the water pump (74) and the water outlet pipe The water inlet ends of (10) are connected, and the water outlet end of the water outlet pipe (10) is connected with the water inlet of the liquid distributor (9). The air-conditioned range hood according to claim 3, characterized in that: the water outlet pipe (10) and the side wall of the exhaust chamber (6) are sealed by a sealing block (11). The air-conditioned range hood according to claim 1, characterized in that: the side wall of the first water receiving box (7) is provided with a condensed water outlet (75), and the condensed water outlet ( 75) Insert into the air inlet cavity of the range hood fan (5). The air-conditioned range hood according to claim 1, characterized in that: the first water inlet joint (71) and the second water inlet joint (72) are both arranged on the first water receiving box (7) Inside, and extend upward from the inner bottom of the first water receiving box (7). The air-conditioned range hood according to claim 6, characterized in that: there are gaps (76) on the side walls of the first water inlet joint (71) and the second water inlet joint (72). The air-conditioning range hood according to claim 1, characterized in that: the first water inlet joint (71) is arranged on the side wall of the first water receiving box (7), and the first water inlet Vertically arranged guide ribs (77) are provided on the inner wall of the first water receiving box (7) where the joint (71) is located. The air-conditioning range hood according to claim 1, characterized in that a water level sensor (78) is installed on the first water receiving box (7). The air-conditioning range hood according to any one of claims 1 to 9, characterized in that: the lower bottom surface of the first water receiving box (7) is provided with a protrusion (79) protruding downward, Said bump (79) is installed on the box chassis (12) of the range hood and abuts against the box chassis (12).

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