CN115076740A

CN115076740A - Heat exchanger and range hood provided with same

Info

Publication number: CN115076740A
Application number: CN202110268703.2A
Authority: CN
Inventors: 郭俊杰; 朱启惠; 余丙松; 李昂; 傅海峰; 崔腾飞; 江名松
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-09-20

Abstract

The utility model provides a heat exchanger and range hood, the heat exchanger body is including setting up side by side and keeping gapped first heat transfer body and second heat transfer body each other, flows out from the refrigerant export after first heat transfer body and second heat transfer body can be flowed through to the refrigerant that flows in from the refrigerant entry, along installing the liquid distribution pipe on first heat transfer body, the water energy that the liquid distribution pipe flows to the surface of first heat transfer body. The heat exchanger is arranged in the smoke exhaust channel, the evaporator is arranged in the air outlet channel, the water receiving container in the casing collects condensed water condensed on the surface of the evaporator, and the condensed water is conveyed to the liquid distribution pipe. This range hood uses this heat exchanger as the condenser, because first heat transfer body temperature is higher, and the comdenstion water is good to the cooling effect of first heat transfer body to, under the effect of fan, the partial comdenstion water of drippage at first heat transfer body is blown to the surface of second heat transfer body, dispels the heat to the second heat transfer body, thereby increases the whole heat transfer effect of heat exchanger, and then promotes the air conditioner efficiency.

Description

Heat exchanger and range hood provided with same

Technical Field

The invention relates to a range hood, in particular to a heat exchanger and a range hood provided with the heat exchanger.

Background

The kitchen is the main place that people cook, and the good or bad of kitchen air environment directly influences the culinary art and experiences. The kitchen is hot in summer and cold in winter, and has the requirements of cold supply and heat supply, so that people invent various kitchen air conditioners, the air in the kitchen is cooled in summer, and warm air can be provided for the kitchen in winter, so that the cooking comfort level is improved. The existing kitchen air conditioner has no big difference from a common air conditioner in basic form, and generally has two forms, namely an internal machine and an external machine split type, namely an external machine is positioned outdoors, an internal machine is positioned indoors, the internal machine and the external machine are respectively provided with a motor fan, the internal machine and the external machine split type kitchen air conditioner are connected in a pipeline mode, holes need to be formed in a wall, decoration is damaged, an external machine needs to be hung outdoors, the installation difficulty is high, and the structure is not compact enough. The other type is that the interior machine is the integral type structure, though it can all install the second heat exchanger of air conditioner and first heat exchanger indoor, but need destroy the heat extraction pipe that bigger area's wall body could install first heat exchanger, has not only increased the installation degree of difficulty, but also influences indoor pleasing to the eye. In addition, because the kitchen space is limited, the volume of the kitchen air conditioner cannot be too large, so that the heat dissipation of the kitchen air conditioner has a great problem, and if the heat dissipation cannot be carried out in time in the use process of the kitchen air conditioner, the energy efficiency of the air conditioner can be greatly reduced. However, the existing kitchen air conditioner and the range hood work independently, the two can not be linked, and the heat generated by the kitchen air conditioner can not be discharged to the outside through the fan of the range hood, so that how to discharge the heat generated by the kitchen air conditioner through the range hood becomes a problem to be solved urgently.

In order to improve the radiating effect, present air conditioner cigarette also discloses the structure of installing the heat exchanger in smoke exhaust passage, dispels the heat to the heat exchanger through the oil smoke to promote the air conditioner efficiency, wherein, the heat exchanger adopts fin tubular heat exchanger usually, has advantages such as simple structure, reliable, cost are lower. In addition, when the air-conditioning range hood is used, the evaporator of the air conditioner can produce condensed water which is directly discharged outdoors through the drain pipe at present, other effective discharge modes are not available, and in addition, the condensed water is not effectively utilized. In conclusion, the structure of the existing air conditioning range hood needs to be further improved.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a heat exchanger with a liquid distributor function in view of the above prior art.

The second technical problem to be solved by the present invention is to provide a range hood which can dissipate heat of a heat exchanger by using condensed water and has a good heat dissipation effect, aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: this heat exchanger, including the heat exchanger body, the heat exchanger body has refrigerant entry and refrigerant export, its characterized in that: the heat exchanger body is including setting up side by side and keeping gapped first heat transfer body and second heat transfer body each other, and the refrigerant that flows in from the refrigerant entry can flow through behind first heat transfer body and the second heat transfer body from the refrigerant export flows the last edge of first heat transfer body installs the cloth liquid pipe, the cloth liquid pipe has water inlet and delivery port, and the water that flows from the delivery port can flow to the surface of first heat transfer body.

In order to enable water flowing out of the liquid distribution pipe to uniformly flow to the surface of the first heat exchange body, the liquid distribution pipe is arranged along the upper edge of the first heat exchange body, at least two water outlets are arranged at intervals along the length direction of the liquid distribution pipe, and the water outlets are arranged on the side wall of the liquid distribution pipe facing the second heat exchange body.

The first heat exchange body and the second heat exchange body can have various structures, preferably, the first heat exchange body comprises a first upper collecting pipe, a first lower collecting pipe and a first heat exchange part arranged between the first upper collecting pipe and the first lower collecting pipe, the second heat exchange body comprises a second upper collecting pipe, a second lower collecting pipe and a second heat exchange part arranged between the second upper collecting pipe and the second lower collecting pipe, the refrigerant inlet is arranged on the first upper collecting pipe, the refrigerant outlet is arranged on the second lower collecting pipe, and the first lower collecting pipe and the second upper collecting pipe are communicated with each other.

Further preferably, the liquid distribution pipe is mounted on the first upper header.

The technical solution adopted by the present invention to solve the second technical problem is as follows: this range hood, including the casing with locate the smoke exhausting channel in the casing, its characterized in that: the shell is internally provided with an air outlet channel, and further comprises a compressor, an evaporator and a heat exchanger, wherein the heat exchanger forms a condenser, the compressor, the heat exchanger and the evaporator are communicated through a refrigerant pipeline, the heat exchanger is arranged in the smoke exhaust channel, the evaporator is arranged in the air outlet channel, a water receiving container used for collecting condensed water condensed on the surface of the evaporator is arranged in the shell, and the condensed water in the water receiving container can be conveyed to a liquid distribution pipe of the heat exchanger.

In order to enable part of condensed water dropping on the surface of the first heat exchange body to be blown to the surface of the second heat exchange body by wind, the oil fume suction fan is arranged inside the shell, the heat exchanger is arranged at the downstream of an air outlet of the oil fume suction fan along the flowing direction of oil fume, and the first heat exchange body is arranged at the upstream of the second heat exchange body.

Further preferably, the heat exchanger is arranged obliquely relative to the vertical plane and is inclined towards the oil smoke flowing direction from top to bottom. Thus, the condensed water can better flow downwards along the surface of the first heat exchange body from top to bottom.

In order to convey condensed water collected in the water receiving container to the liquid distribution pipe, the water receiving container is communicated with a water inlet of the liquid distribution pipe through a water outlet pipe, and a water pump for conveying the condensed water from the water receiving container to the liquid distribution pipe is installed on a water path between the water receiving container and the liquid distribution pipe.

Further preferably, a float switch for detecting a water level inside the water receiving container is attached to the water receiving container. When the water quantity of the water receiving container rises to trigger the float switch, the control unit of the range hood controls the water pump to be turned on, and therefore the condensed water is conveyed to the liquid distribution pipe.

Preferably, an air outlet fan is installed in the air outlet channel, an air inlet of the air outlet channel is in fluid communication with the interior of the kitchen or the exterior of the kitchen, the air inlet is arranged at the top or the side of the casing, an air outlet of the air outlet channel is in fluid communication with the interior of the kitchen, and the air outlet is arranged at the front side or the top of the casing. Therefore, indoor air in a kitchen can enter the air outlet channel, outdoor fresh air can also enter the air outlet channel, and the position of the air outlet can be flexibly selected according to the requirement.

The smoke exhaust channel and the air outlet channel can be distributed in various ways, preferably, the smoke exhaust channel and the air outlet channel are arranged above the range hood fan and distributed left and right,

preferably, the smoke exhaust channel comprises a first smoke exhaust channel and a second smoke exhaust channel, an air channel switching valve used for switching one of the first smoke exhaust channel and the second smoke exhaust channel to be communicated with an air outlet of the oil smoke suction fan is installed at inlets of the first smoke exhaust channel and the second smoke exhaust channel, and the heat exchanger is arranged in the first smoke exhaust channel.

In order to avoid the oil smoke from polluting the condenser, an electrostatic purification device is further installed in the first smoke exhaust channel, and the electrostatic purification device is arranged at the upstream of the heat exchanger along the flowing direction of the oil smoke.

First exhaust flue and second exhaust flue can have multiple smoke discharging mode, preferably, first exhaust flue has first exhaust port, and second exhaust flue has the second exhaust port, first exhaust port and second exhaust port are independent each other.

In order to make the system more compact and convenient to install, the compressor is integrated on the shell.

Further preferably, the smoke exhaust channel and the air outlet channel are isolated from each other.

Compared with the prior art, the invention has the advantages that: this heat exchanger has and sets up side by side and leaves gapped first heat transfer body and second heat transfer body each other, the comdenstion water that flows into the liquid distribution pipe can flow to the surface of first heat transfer body after flowing out from the liquid distribution pipe, use this heat exchanger as the condenser and install in range hood's exhaust fume channel, because first heat transfer body temperature is higher, the comdenstion water is good to the cooling effect of first heat transfer body, and, under the effect of inhaling oil smoke fan, the partial comdenstion water that drips at first heat transfer body can be blown to the surface of second heat transfer body, dispel the heat to second heat transfer body, thereby increase the whole heat transfer effect of heat exchanger, and then further promote the air conditioner efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a heat exchanger according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a range hood according to an embodiment of the present invention;

FIG. 3 is a schematic view of an installation structure of the range hood according to the embodiment of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is a schematic diagram of an air conditioning assembly according to an embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1, the heat exchanger 1 of the present embodiment includes a first heat exchanging body 11 and a second heat exchanging body 12 which are arranged side by side and have a gap therebetween, wherein the first heat exchanging body 11 includes a first upper header 111, a first lower header 112 and a first heat exchanging portion 113 disposed between the first upper header 111 and the first lower header 112, the second heat exchanging body 12 includes a second upper header 121, a second lower header 122 and a second heat exchanging portion 123 disposed between the second upper header 121 and the second lower header 122, the first heat exchanging portion 113 and the second heat exchanging portion 123 both include flat tubes and fins, and the individual structures of the first heat exchanging body 11 and the second heat exchanging body 12 may refer to various microchannel heat exchangers in the prior art, and will not be described herein.

In this embodiment, the first heat exchange body 11 and the second heat exchange body 12 are communicated with each other, specifically, the first lower header 112 and the second upper header 121 are communicated with each other, the first upper header 111 is provided with a refrigerant inlet 13, the second lower header 122 is provided with a refrigerant outlet, and after the refrigerant flows in from the refrigerant inlet 13, the refrigerant flows through the first heat exchange body 11 and the second heat exchange body 12 in sequence and then flows out from the refrigerant outlet 14.

A liquid distribution pipe 15 is installed on the upper edge of the first heat exchange body 11, the liquid distribution pipe 15 is arranged along the first upper header 111, and the liquid distribution pipe 15 has a water inlet 151 and a water outlet 152. In this embodiment, the water inlets 151 are disposed on the upper side wall of the liquid distribution pipe 15, the water outlets 152 are disposed at intervals along the length direction of the liquid distribution pipe 15, preferably, the water outlets 152 are uniformly distributed at intervals, and the water flowing out from the water outlets 152 can flow downward and uniformly flow through the surface of the first heat exchange body 11 to sufficiently dissipate heat of the first heat exchange body 11, where the water outlets 152 are disposed on the side wall of the liquid distribution pipe 15 facing the second heat exchange body 12.

As shown in fig. 2 to 5, the range hood of the present embodiment includes a casing 20, a range hood fan 21 is disposed in the casing 20, and the range hood fan 21 of the present embodiment is a centrifugal fan installed at a lower portion of the casing 20. The upper part of the casing 20 is provided with a smoke exhaust channel 22 and an air outlet channel 23 which are isolated from each other, and along the flow direction of the oil smoke, the smoke exhaust channel 22 is arranged at the downstream of the air outlet of the oil smoke suction fan 21. The direction indicated by the arrow a in fig. 2 is the right, and the air outlet channel 23 is located on the left side of the smoke exhaust channel 22.

The smoke exhausting channel 22 of the present embodiment includes a first smoke exhausting channel 221 and a second smoke exhausting channel 222, and an air channel switching valve 225 for switching one of the first smoke exhausting channel 221 and the second smoke exhausting channel 222 to communicate with the air outlet of the range hood 21 is installed at the inlets of the first smoke exhausting channel 221 and the second smoke exhausting channel 222. The first smoke exhaust channel 221 has a first smoke exhaust port 223, the second smoke exhaust channel 222 has a second smoke exhaust port 224, and the first smoke exhaust port 223 and the second smoke exhaust port 224 are independent of each other.

In the present embodiment, the air inlet 231 of the air outlet channel 23 is in fluid communication with the interior of the kitchen or the exterior of the kitchen, the air inlet 231 is disposed at the top or the side of the enclosure 20, the air outlet 232 of the air outlet channel 23 is in fluid communication with the interior of the kitchen, the air outlet 232 is disposed at the front of the enclosure 20 or the top of the enclosure 20, and the air outlet fan 24 is installed in the air outlet channel 23. From this, air-out channel 23 both can realize indoor air inlet, also can realize outdoor air inlet, and air outlet of the air conditioner's position also can be selected in a flexible way as required, can directly go up the air-out from range hood's casing 20, also can go out the tuber pipe (not shown) with external tapping, from the air-out on kitchen furred ceiling (not shown). In addition, in order to make the air outlet 232 of the air outlet channel 23 blow clean air, the air inlet 231 of the air outlet channel 23 is provided with the filtering device 230, and the filtering device 230 may adopt various filtering structures such as activated carbon, a filter screen and the like.

An air conditioning assembly is installed in the range hood, the air conditioning assembly comprises a compressor 3, a heat exchanger 1 and an evaporator 4 shown in fig. 1, the heat exchanger 1 is used as a condenser, the compressor 3, the heat exchanger 1 and the evaporator 4 are communicated through a refrigerant pipeline 5, a four-way valve 51 can be selectively installed on the refrigerant pipeline 5, and a throttling device 52 is installed on the refrigerant pipeline 5 between the heat exchanger 1 and the evaporator 4. The specific operation principle of the air conditioning assembly 1 is the same as that of the existing air conditioner, and will not be described herein.

In this embodiment, the compressor 3 is installed inside the casing 20 and below the air outlet channel 23. The heat exchanger 1, i.e. the condenser, is installed in the first smoke exhaust channel 221, the heat exchanger 1 is inclined with respect to the vertical plane and is inclined from top to bottom toward the flow direction of the smoke, and along the flow direction of the smoke, the first heat exchange body 11 is disposed at the upstream of the second heat exchange body 12, i.e. the smoke flow blown out from the smoke exhaust ventilator 21 is blown toward the first heat exchange body 11 and the second heat exchange body 12 first and then. In order to prevent the heat exchanger 1 from being contaminated by the soot, the electrostatic cleaning device 10 is further installed in the first soot exhaust duct 221, and the electrostatic cleaning device 10 is provided upstream of the heat exchanger 1 in the soot flow direction. The evaporator 4 is installed in the air outlet channel 23, and the evaporator 4 is located upstream of the air outlet fan 24 in the air flow direction.

When the air conditioning assembly works, condensed water is condensed on the surface of the evaporator 4, and in order to collect and utilize the condensed water, in this embodiment, a water receiving container 6 is installed inside the casing 20 of the range hood, the water receiving container 6 is arranged below the evaporator 4, and the condensed water condensed on the surface of the evaporator 4 flows into the water receiving container 6.

The water receiving container 6 is communicated with a water inlet 151 of a liquid distribution pipe 15 of the heat exchanger 1 through a water outlet pipe 7, a water pump 8 is installed on a water path between the water receiving container 6 and the liquid distribution pipe 15, and condensed water in the water receiving container 6 can be conveyed into the liquid distribution pipe 15 under the action of the water pump 8. In addition, a float switch 9 for detecting the water level is installed in the water receiving container 6, and when the water amount in the water receiving container 6 rises to trigger the float switch 9, the control unit of the range hood controls the water pump 8 to be turned on, so that the condensed water in the water receiving container 6 is delivered to the liquid distribution pipe 15.

The operating principle of the range hood is as follows:

under the mode that the range hood and the air conditioner are both started, the range hood fan 21 and the compressor 3 are both started, when the water amount in the water receiving container 6 reaches a certain amount, such as the float switch 9 is triggered, the water pump 8 conveys condensed water collected by the water receiving container 6 to the liquid distribution pipe 15, the condensed water flows out from the water outlet 152 of the liquid distribution pipe 15 and then flows through the surface of the first heat exchange body 11, mainly flows through the first heat exchange part 113, namely a flat pipe and a fin area, because the refrigerant inlet 13 of the first heat exchange body 11 is directly connected with the outlet of the compressor 3, and the temperature of the refrigerant discharged from the compressor 3 is very high, therefore, the condensed water flows through the surface of the first heat exchange part 113 to fully cool and radiate the first heat exchange body 11, the cooling effect is good, meanwhile, the oil smoke discharged from the range hood fan 21 flows into the first smoke discharge channel 221, the oil smoke flows firstly blow to the first heat exchange body 11, the oil smoke flowing direction is as shown by an arrow C in fig. 3, and the first heat exchanging portion 113 has a gap through which the oil smoke can flow, so that the air flow blows part of the condensed water on the surface of the first heat exchanging body 11 to the second heat exchanging body 12, and the blown condensed water can be attached to the surface of the second heat exchanging body 12 and flow through the surface of the second heat exchanging portion 123, thereby cooling and dissipating heat of the second heat exchanging body 12. From this, first heat transfer body 11 and second heat transfer body 12 have all obtained effective heat dissipation, have improved heat exchanger 1's whole heat transfer effect, and then do benefit to and promote the air conditioner efficiency. Meanwhile, cold air can be blown out from the air outlet 232 of the air outlet channel 23, and can be supplied to the interior of the kitchen, so that the air in the kitchen is cooled, and the cooking experience of a user is improved.

Only in the range hood opening mode, the range hood fan 21 is started, the compressor 3 is not started, and the oil smoke is discharged through the second smoke exhaust channel 222.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims

1. A heat exchanger (1) comprises a heat exchanger body, wherein the heat exchanger body is provided with a refrigerant inlet (13) and a refrigerant outlet (14), and is characterized in that: the heat exchanger body is including setting up side by side and keeping gapped first heat transfer body (11) and second heat transfer body (12) each other, and the refrigerant that flows in from refrigerant entry (13) can flow through and flow out from refrigerant export (14) behind first heat transfer body (11) and second heat transfer body (12) the last edge of first heat transfer body (11) is installed liquid distribution pipe (15), liquid distribution pipe (15) have water inlet (151) and delivery port (152), and the water energy that flows out from delivery port (152) flows to the surface of first heat transfer body (11).

2. The heat exchanger of claim 1, wherein: the liquid distribution pipe (15) is arranged along the upper edge of the first heat exchange body (11), at least two water outlets (152) are arranged at intervals along the length direction of the liquid distribution pipe (15), and the water outlets (152) are arranged on the side wall of the liquid distribution pipe (15) facing the second heat exchange body (12).

3. The heat exchanger according to claim 1 or 2, wherein: the first heat exchange body (11) comprises a first upper collecting pipe (111), a first lower collecting pipe (112) and a first heat exchange part (113) arranged between the first upper collecting pipe and the first lower collecting pipe, the second heat exchange body (12) comprises a second upper collecting pipe (121), a second lower collecting pipe (122) and a second heat exchange part (123) arranged between the second upper collecting pipe and the second lower collecting pipe, a refrigerant inlet (13) is arranged on the first upper collecting pipe (111), a refrigerant outlet (14) is arranged on the second lower collecting pipe (122), and the first lower collecting pipe (112) is communicated with the second upper collecting pipe (121).

4. The heat exchanger of claim 3, wherein: the liquid distribution pipe (15) is arranged on the first upper collecting pipe (111).

5. The utility model provides a range hood, includes casing (20) and locates smoke exhaust passage (22) in the casing, its characterized in that: an air outlet channel (23) is further arranged in the machine shell (20), the machine shell further comprises a compressor (3), an evaporator (4) and the heat exchanger (1) of any one of claims 1 to 5, the heat exchanger (1) forms a condenser, the compressor (3), the heat exchanger (1) and the evaporator (4) are communicated through a refrigerant pipeline (5), the heat exchanger (1) is arranged in the smoke exhaust channel (22), the evaporator (4) is arranged in the air outlet channel (23), a water receiving container (6) used for collecting condensed water condensed on the surface of the evaporator (4) is arranged in the machine shell (20), and the condensed water in the water receiving container (6) can be conveyed to a liquid distribution pipe (15) of the heat exchanger (1).

6. The range hood of claim 5, wherein: an oil fume suction fan (21) is arranged in the shell (20), the heat exchanger (1) is arranged at the downstream of an air outlet of the oil fume suction fan (21) along the oil fume flowing direction, and the first heat exchange body (11) is arranged at the upstream of the second heat exchange body (12).

7. The range hood of claim 6, wherein: the heat exchanger (1) is obliquely arranged relative to the vertical plane and is inclined towards the flowing direction of the oil smoke from top to bottom.

8. The range hood of claim 5, wherein: the water receiving container (6) is communicated with the water inlet (151) of the liquid distribution pipe (15) through the water outlet pipe (7), and a water pump (8) which is used for conveying condensed water from the water receiving container to the liquid distribution pipe is arranged on a water path between the water receiving container (6) and the liquid distribution pipe (15).

9. The range hood of claim 5, wherein: a float switch (9) for detecting the water level in the water receiving container is arranged in the water receiving container (6).

10. The range hood of claim 5, wherein: an air outlet fan (24) is installed in the air outlet channel (23), an air inlet (231) of the air outlet channel (23) is in fluid communication with the interior of a kitchen room or the exterior of the kitchen room, the air inlet (231) is arranged at the top or the side of the machine shell (20), an air outlet (232) of the air outlet channel (23) is in fluid communication with the interior of the kitchen room, and the air outlet (232) is arranged on the front surface of the machine shell (20) or the top of the machine shell (20).

11. The range hood of claim 5, wherein: the smoke exhaust channel (22) and the air outlet channel (23) are arranged above the oil smoke suction fan (21) and are distributed left and right.

12. The range hood of claim 5, wherein: the smoke exhausting channel (22) comprises a first smoke exhausting channel (221) and a second smoke exhausting channel (222), an air channel switching valve (225) used for switching one of the first smoke exhausting channel (221) and the second smoke exhausting channel (222) to be communicated with an air outlet of the oil smoke suction fan (21) is installed at the inlets of the first smoke exhausting channel (221) and the second smoke exhausting channel (222), and the heat exchanger (1) is arranged in the first smoke exhausting channel (221).

13. The range hood of claim 12, wherein: an electrostatic purification device (10) is further installed in the first smoke exhaust channel (221), and the electrostatic purification device (10) is arranged on the upstream of the heat exchanger (1) along the flow direction of the smoke.

14. The range hood of claim 12, wherein: the first smoke exhaust channel (221) is provided with a first smoke exhaust port (223), the second smoke exhaust channel (222) is provided with a second smoke exhaust port (224), and the first smoke exhaust port (223) and the second smoke exhaust port (224) are independent.

15. The range hood of any one of claims 5 to 14, wherein: the compressor (11) is integrated in the housing (20).

16. The range hood of any one of claims 5 to 14, wherein: the smoke exhaust channel (22) and the air outlet channel (23) are isolated from each other.