CN209763196U - Refrigeration oil smoke absorption equipment and flow guide structure thereof - Google Patents

Abstract

The utility model provides a refrigeration oil smoke sucking equipment and water conservancy diversion structure thereof relates to kitchen appliance technical field. The flow guide structure is used for guiding fluid at the cold air position to the air outlet position, a flow channel is formed in the cavity of the flow guide structure, and the flow guide structure is provided with a first opening and a second opening which are not on the same straight line; the flow channel is communicated with the cold air position or the air outlet position through a first opening, and the flow channel is communicated with the air outlet position or the cold air position through a second opening. The fluid in the flow guide structure can be effectively isolated, and is prevented from being mixed with the fluid outside the flow passage. Be applied to in refrigeration oil absorption cigarette equipment, because first opening and second opening are not at same straight line, be convenient for make the installation angle of water conservancy diversion structure more be suitable for air-out department structure and produce air conditioning department structure cooperation, realize directly transmitting the air conditioning that refrigerating system produced to the air-out device, prevent that the oil smoke that oil absorption cigarette system produced from mixing with air conditioning, influence the refrigeration effect of air conditioning and the cleanliness factor of air conditioning.

Description

Refrigeration oil smoke absorption equipment and flow guide structure thereof

Technical Field

The utility model relates to a kitchen appliance technical field particularly, relates to a refrigeration oil smoke sucking equipment and water conservancy diversion structure thereof.

Background

Frying, stir-frying, cooking and deep-frying are common cooking modes, and are usually accompanied by excessive kitchen oil smoke and large amount of heat diffusion. It is well known that kitchen fumes are extremely harmful, not only increasing the chances of cancer for people, but also accelerating the aging of cells. In addition, the hot environment in summer can increase the heat condensation in the kitchen, and when the body feeling temperature exceeds 40 ℃ in a sultry kitchen, sweat streams down the back, and people feel comfortable as if cooking like sauna. In order to address the above situation, in the prior art, a kitchen air conditioner and a range hood are used in cooperation to improve comfort, but the kitchen air conditioner and the range hood are installed at the same time, the occupied space in a kitchen is large, oil smoke can also adhere to the surface of the kitchen air conditioner, and oil stain accumulation of the range hood is difficult to clean; however, the integration of the range hood and the air conditioner can cause the problem of mixing cold air and oil smoke.

SUMMERY OF THE UTILITY MODEL

For the air conditioning that solves among the prior art range hood and the integrated in-process of air conditioner appearance and the technical problem that the oil smoke mixes, the utility model discloses a main aim at provides one kind and keeps apart air conditioning, improves the refrigeration oil absorption cigarette equipment that air conditioning and oil smoke mix and water conservancy diversion structure thereof.

In a first aspect, an embodiment of the present invention provides a flow guiding structure for communicating an air outlet with an air conditioning in a refrigeration range hood, where the flow guiding structure forms a flow channel in a cavity thereof, and the flow guiding structure has a first opening and a second opening that are not on the same straight line;

the flow channel is communicated with the cold air position or the air outlet position through the first opening, and the flow channel is communicated with the air outlet position or the cold air position through the second opening.

further, in a preferred embodiment of the present invention, the diversion structure has a first bending portion and a second bending portion connected to each other; the first opening is arranged on the first bending part, and the second opening is arranged on the second bending part.

Further, in a preferred embodiment of the present invention, an included angle between a straight line of the first opening and a straight line of the second opening is 90 ° to 150 °.

Further, in a preferred embodiment of the present invention, the first bending portion and the second bending portion are both provided with a flange; the flow guide structure is clamped and fixed with the cold air position or the air outlet position through the retaining edge.

Further, in a preferred embodiment of the present invention, the retaining edge is provided with a limiting protrusion.

Further, in a preferred embodiment of the present invention, the first bending portion and the second bending portion have an intersection point;

The width of the rib of the first bending part is gradually increased from the end point of the first bending part to the intersection point; the width of the rib of the second bending part is gradually increased from the end point of the second bending part to the intersection point.

In a second aspect, an embodiment of the present invention provides a refrigeration and oil smoke suction device, including an oil smoke suction system, a refrigeration system, an air outlet device, and any one of the above-mentioned flow guiding structures;

The exhaust passage of the refrigerating system is communicated with the smoke exhaust passage of the oil fume suction system, and cold air generated by the refrigerating system is communicated to the air outlet device through the flow guide structure.

Further, in a preferred embodiment of the present invention, the first opening faces an evaporator of the refrigeration system, and the second opening is communicated to the air outlet device.

An embodiment of the utility model provides a pair of refrigeration oil smoke sucking equipment and water conservancy diversion structure thereof, through setting up the fluidic transmission is realized to the water conservancy diversion structure, and fluid in the water conservancy diversion structure can realize effectively keeping apart, avoids its and the outer fluid mixture of runner. The flow guide structure is applied to refrigeration and oil smoke absorption equipment, and the first opening and the second opening are not in the same straight line, so that the installation angle of the flow guide structure is more suitable for matching the air outlet structure with the air conditioning structure, the direct transmission of the air conditioning generated by the refrigeration system to the air outlet device is realized, and the oil smoke generated by the oil smoke absorption system is prevented from being mixed with the air conditioning to influence the refrigeration effect of the air conditioning and the cleanliness of the air conditioning.

Drawings

in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a structural diagram of a refrigeration and oil smoke absorption device according to an embodiment of the present invention;

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

Fig. 3 is a block diagram of a refrigeration system according to an embodiment of the present invention;

Fig. 4 is a schematic view illustrating a flow direction of cool air in a refrigeration system according to an embodiment of the present invention;

Fig. 5 is a schematic view illustrating a flow direction of hot air in a refrigeration system according to an embodiment of the present invention;

fig. 6 is a structural diagram of a flow guiding structure according to an embodiment of the present invention;

Fig. 7 is a structural diagram of a flow guiding structure according to another embodiment of the present invention.

Reference numerals:

1 oil fume suction system 11 volute 12 fan 13 oil guide ring 2 refrigerating system 21 evaporator 22 compressor 23 condenser 24 throttling device 3 casing 31 front plate 32 side plate 33 top plate 4 smoke guide plate 5 air curtain system 6 filtering device 7 partition plate 8 flow guide structure 81 first bending part 82 second bending part 83 flange 84 bottom plate 85 limit projection 9 protection cover

Detailed Description

in order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

As shown in fig. 1-7, an embodiment of the present invention provides a flow guiding structure 8 for communicating an air outlet and a cold air outlet of a refrigeration range hood, the flow guiding structure 8 forms a flow channel in a cavity thereof, and the flow guiding structure 8 has a first opening and a second opening that are not on the same straight line; the flow channel is communicated with the cold air position or the air outlet position through the first opening, and the flow channel is communicated with the air outlet position or the cold air position through the second opening. The embodiment of the utility model provides a pair of refrigeration oil smoke sucking equipment and water conservancy diversion structure 8 thereof realizes fluidic transmission through the water conservancy diversion structure 8 that sets up to the fluid in the water conservancy diversion structure 8 can realize effectively keeping apart, avoids its and the outer fluid mixture of runner. The flow guide structure 8 is applied to refrigeration and oil smoke absorption equipment, and the first opening and the second opening are not in the same straight line, so that the installation angle of the flow guide structure 8 is more suitable for matching the structure of an air outlet position and the structure of a position for generating cold air, the cold air generated by the refrigeration system 2 is directly transmitted to an air outlet device, and the oil smoke generated by the oil smoke absorption system 1 is prevented from being mixed with the cold air to influence the refrigeration effect of the cold air and the cleanliness of the cold air.

As shown in fig. 6-7, in an embodiment of the present invention, the diversion structure 8 has a first bending portion 81 and a second bending portion 82 connected to each other; the first opening is arranged on the first bending part 81, the second opening is arranged on the second bending part 82, the first opening and the second opening are arranged on the bent flow guide structure 8, and therefore cold air is transmitted from the first opening to the second opening or the cold air is transmitted from the second opening to the first opening, and then the cold air at the cold air is transmitted to the air outlet.

In the embodiment, the cold air position can be an evaporator 21 in the refrigeration oil fume absorption equipment, and the air outlet position can be an air curtain outlet in the refrigeration oil fume absorption equipment; in other embodiments, the cold air place can also be a cold steam transmission tank, and the air outlet place can also be an air outlet.

for the position of laminating air conditioning department, air-out department, the contained angle between the straight line that first opening place and the straight line that the second opening place is 90-150, corresponds in this embodiment, and the contained angle between first kink 81 and second kink 82 is 90-150, better being applicable to in this application: the condenser 23 is located on both sides of the casing 3, and the air curtain system 5 is located on the upper side of the casing 3.

The flow guide structure 8 provided in the embodiment of the utility model can adopt a circular or square pipeline form, and is opened on the pipeline along the axial direction of the pipeline; in this embodiment, the flow guiding structure 8 includes a bottom plate 84 and a rib 83, and the bottom plate 84 and the rib 83 enclose a cavity of the flow guiding structure 8; the first bending part 81 and the second bending part 82 are both provided with flanges 83, an opening at the first bending part 81 is a first opening, and an opening at the second bending part 82 is a second opening; the arrangement of the flange 83 is convenient for gathering the cold air to the flow guide structure 8, and the flow guide structure 8 can also be clamped and fixed with the cold air position or the air outlet position through the flange 83.

In order to facilitate the clamping and fixing, as shown in fig. 6, in this embodiment, the retaining edge 83 is provided with a limiting protrusion 85, which can be used to cooperate with a groove on the housing 3 of the refrigeration and range hood device to realize the fixing.

As shown in fig. 6, in the present embodiment, the first bending portion 81 and the second bending portion 82 have an intersection point; the width of the rib 83 of the first bent portion 81 gradually increases from the end point of the first bent portion 81 to the intersection point; the width of the rib 83 of the second bent portion 82 gradually increases from the end point of the second bent portion 82 to the intersection point. Because the first bending part 81 and the second bending part 82 form an angle of 90-150 degrees, when the angle is an obtuse angle, the gradual change design of the widths of the flanges 83 of the first bending part 81 and the second bending part 82 is convenient for the firm fixation of the flow guiding structure 8, and the flow channel at the bending part of the flow guiding structure 8 is more spacious, which is convenient for the transmission of cold air.

As shown in fig. 1-5, another embodiment of the present invention provides a refrigeration and oil smoke absorption device, which includes an oil smoke absorption system 1, a refrigeration system 2, an air outlet device and the flow guiding structure 8; an exhaust channel of the refrigeration system 2 is communicated with a smoke exhaust channel of the oil fume suction system 1, and cold air generated by the refrigeration system 2 is communicated to the air outlet device through a flow guide structure 8. The refrigeration oil fume suction device of the embodiment collects oil fume in a kitchen through the arranged oil fume suction system 1 and discharges the oil fume through the fume discharge channel; the refrigeration is carried out through the arranged refrigeration system 2, and cold steam is blown out from the air outlet device through the flow guide structure 8 to refrigerate the environment temperature; the comfort of the kitchen in use is improved.

Kitchen fumes are extremely important problems affecting human health, and in non-smoking female lung cancer patients, over 60% of women have a long-term kitchen fume contact history, so the efficiency of a range hood is of utmost importance. The temperature of the kitchen in a high temperature environment affects the comfort of the kitchen, and therefore the refrigeration requirements of the kitchen are also of great importance. As shown in fig. 1-5, the refrigeration and oil smoke absorption device further includes a housing 3, a cavity is formed inside the housing 3, the oil smoke absorption system 1 and the refrigeration system 2 are installed in the cavity, the refrigeration system 2 has an air conditioning channel and an exhaust channel, the oil smoke absorption system 1 is provided with a smoke exhaust channel, the exhaust channel is communicated with the smoke exhaust channel, the air conditioning channel is communicated with the air outlet device, wherein a flow channel of the flow guide structure 8 is the air conditioning channel of the refrigeration system 2. As shown in fig. 1, the housing 3 is a structure enclosed by side plates 32, a top plate 33, a rear plate and a curved front plate 31, and a cavity for installing the range hood system 1 and the refrigeration system 2 is formed inside the housing; the integral aesthetic property of the device is ensured, and meanwhile, the oil fume suction system 1 and the refrigerating system 2 are ensured to have no interference of other sundries in the working and running conditions. In the embodiment of the utility model, the oil smoke absorbing system 1 and the refrigerating system 2 are integrated in the shell 3, so that the size of the range hood is not increased, the space of a kitchen is effectively saved, and the problem that the oil smoke is attached when a kitchen air conditioner is independently arranged is also avoided; and the refrigerating system 2 does not need to be provided with an outdoor unit, so that the refrigerating system is suitable for the condition that the outdoor unit installation space is not reserved in a kitchen of a room. High-temperature steam generated in the heat exchange process of the refrigerating system 2 is discharged from the exhaust channel, meanwhile, the exhaust channel is communicated with the smoke exhaust channel, the high-temperature steam can clean the exhaust channel and the smoke exhaust channel to a certain degree, and the problem that oil stains in the oil fume suction system 1 are difficult to clean is solved.

The air-out device can be for setting up the air outlet on casing 3, perhaps the air-out pipeline that sets up, and in this embodiment, the air-out device directly adopts air curtain system 5 on the lampblack absorber, and it is more convenient to process, communicates the air conditioning passageway to the export of air curtain system 5 in addition, and the air conditioning of being convenient for blows off, is convenient for form the air curtain in the oil smoke outside that produces simultaneously, makes the oil smoke of production all follow the motion of smoke exhaust passage, accelerates the emission efficiency of oil smoke. As shown in fig. 1-5, the outlet of the air curtain system 5 is located on the side of the housing 3 facing the user, in this embodiment, the outlet of the air curtain system 5 is arranged along a certain length to make the cold airflow flux sufficiently large; in addition, the outlet of the air curtain system 5 may be provided at the top side of the case 3 to facilitate the diffusion of the cool air.

as shown in fig. 2, the present embodiment provides a refrigeration range hood device, the range hood system 1 includes: a volute 11 equipped with a fan 12, an outlet of the volute 11 communicating with the smoke evacuation channel; the exhaust passage is formed between the scroll casing 11 and the housing 3. The oil smoke suction system 1 sucks and exhausts oil smoke, the fan 12 rotates to generate negative pressure, so that the volute 11 adsorbs and gathers the oil smoke at the front end and exhausts the oil smoke along with an outlet of the volute 11 and an exhaust channel, and the oil smoke is exhausted. Because the oil fume suction system 1 relates to the discharge of oil fume, oil dirt can be accumulated in the smoke exhaust channel and is difficult to clean; the embodiment of the utility model provides an integrate the high temperature steam that the refrigerating system 2 that sets up produced then can effectively carry out simple washing to the greasy dirt in exhaust passage and the exhaust passage, reach the purpose that steam washed, improve oil absorption cigarette system 1 and be difficult to abluent problem. In order to improve the discharging effect, as shown in fig. 2, in the refrigeration and oil smoke extraction device in the present embodiment, an oil guide ring 13 is disposed between the outer circumferential surface of the fan 12 and the inner circumferential surface of the volute 11 to guide the oil smoke, so that the oil smoke is effectively collected.

As shown in fig. 2, in the refrigeration range hood apparatus provided in this embodiment, the refrigeration system 2 includes: an evaporator 21, a compressor 22, a condenser 23, and a throttle device 24; the cold air passage is provided at the evaporator 21, and the exhaust air passage is provided at the condenser 23. As shown in fig. 4, the direction of the arrows represents the flow direction of the cold air at the evaporator 21 of the refrigeration system 2; as shown in fig. 5, the arrow direction represents the flow direction of the high-temperature vapor at the condenser 23 of the refrigeration system 2; the flow direction of the cold air and the hot air generated by the refrigeration system 2 is shown in fig. 4-5, and specifically: the evaporator 21 evaporates at low pressure by using a liquid low-pressure refrigerant to absorb heat and cool an air medium, and the air medium is transferred to the air curtain system 5 through the cold air channel and blown into the kitchen room from the outlet of the air curtain system 5, thereby achieving the purpose of refrigeration. The condenser 23 exchanges heat between the high-temperature high-pressure gaseous refrigerant and air to change the high-temperature high-pressure gaseous refrigerant into a low-temperature high-pressure liquid refrigerant, and the heat is released, wherein the ambient air medium is heated, and the high-temperature air medium is communicated to the smoke exhaust channel through the exhaust channel and directly exhausts high-temperature steam from the smoke exhaust channel; the fresh air duct and the outdoor unit do not need to be reset, the temperature of the steam generated at the condenser 23 is about 55 ℃, the steam washing effect can be achieved, the oil stain in the volute casing 11 can be cleaned to a certain degree, and the problem of bacterial breeding caused by accumulation of the oil stain is prevented. The compressor 22 is used to compress air to produce low pressure steam.

As shown in fig. 4, in the refrigeration oil smoke absorption device provided in this embodiment, the evaporator 21 and the condenser 23 are respectively disposed at two sides of the volute 11, an air inlet is disposed on a top plate 33 of the housing 3, and the inlet air at the evaporator 21 is used for generating cold air, which is directly transmitted to the air curtain system 5 through a cold air channel and refrigerates the interior of the kitchen, so as to prevent the cold air from entering the condenser 23 as much as possible. At this time, the bent structure of the flow guiding structure 8 can better match the evaporator 21 and the position of the air curtain system 5, when the included angle between the first bent portion 81 and the second bent portion 82 of the flow guiding structure 8 satisfies 90 ° to 150 °, the first bent portion 81 can be fixed to the housing 3 at the air curtain system 5 in a clamping manner, and the second bent portion 82 is fixed to the partition plate 7 at the evaporator 21.

As shown in fig. 2-3, in the refrigeration oil smoke absorption device provided by an embodiment of the present invention, a partition 7 is disposed between the evaporator 21 and the volute 11, and the partition 7 separates the cavity into a first region and a second region, the evaporator 21 is located in the first region, and the volute 11 is located in the second region. The arrangement of the partition plate 7 can prevent oil smoke from entering the first area, prevent the oil smoke from influencing the discharge of cold air at the evaporator 21 and influencing the refrigeration effect; and the noise generated by the evaporator 21 does not directly enter the second area, causing the problem of noise superposition. In this embodiment, the evaporator 21 and the condenser 23 are located at two sides of the volute 11, the condenser 23 and the compressor 22 are located at the same side of the volute 11, a partition plate 7 may also be disposed between the compressor 22 and the volute 11, and the partition plate 7 partitions a third area in the cavity; the two partition plates 7 are arranged in parallel and opposite to each other. The condenser 23 and the compressor 22 are located in the third area, and the partition 7 does not interfere with the entry of the high-temperature vapor discharged at the condenser 23 into the discharge passage, in which case the second area forms the discharge passage. The provision of the partition 7 reduces the ingress of noise generated by the compressor 22 into the second region, creating noise superposition.

When the air conditioner is used for refrigeration, along with the condensation phenomenon, oil smoke is easy to adhere, and the problems that the heat exchange efficiency is influenced and the refrigeration system 2 is corroded for a long time exist; the embodiment of the utility model provides an in because the flow path of air conditioning sets up the water conservancy diversion structure 8 of solitary form of buckling, consequently can not form phenomenons such as condensation on other parts in casing 3 yet, effectively reduce the oil smoke and adhere to improve 2 low, the oil smoke of refrigerating system's heat exchange efficiency of refrigerating system 2 and corrode refrigerating system 2's problem. The first opening of the first bent portion 81 of the flow guiding structure 8 faces the evaporator 21, and the second opening of the second bent portion 82 communicates with the air curtain system 5. As shown in fig. 6, the diversion structure 8 effectively gathers the cold air generated by the evaporator 21 and discharges the cold air from the outlet of the air curtain system 5, thereby achieving the refrigeration effect. The flow guide structure 8 can properly separate the cold air from the oil smoke, so that the cold air is used for refrigerating to the maximum extent, and the oil smoke is prevented from influencing the refrigerating effect; the oil smoke discharge performance of the oil smoke suction system 1 is not influenced, and the refrigeration effect of the refrigeration system 2 is not influenced.

As shown in fig. 1, in order to prevent the oil smoke generated in the kitchen from interfering with the cold air generated by the refrigeration and oil smoke absorption equipment, a smoke guide plate 4 is disposed on the housing 3, the smoke guide plate 4 extends along the direction of the cold air flowing out, and a channel for the oil smoke to flow into the cavity of the housing 3 is formed between the smoke guide plate 4 and the housing 3. The smoke guide plate 4 can prevent the generated oil smoke from interfering with cold air generated by refrigeration oil smoke absorption equipment, and can effectively guide the generated oil smoke to process the oil smoke to the maximum extent.

Because the roof 33 of casing 3 is provided with the air intake, it is inside to allow the air admission casing 3, for effectively hindering sheltering from the dust, as shown in fig. 3, the utility model discloses an embodiment is provided with the filter equipment 6 that is used for filtering 3 inside air of casing in the cavity of casing 33, can set up to the filter, effectively shelters from the dust, and it is clean in the protection casing 3.

As shown in fig. 1-2, in the present embodiment, the top end of the housing 3 is provided with a hood 9, and the smoke evacuation passage communicates with the hood 9. The protective cover 9 can effectively beautify and effectively protect the connecting pipeline and the smoke exhaust pipeline.

In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, that is, the corresponding orientation when the air conditioner is normally installed. This is merely for convenience in describing the invention and to simplify the description and is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation and is therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A flow guide structure is used for communicating an air outlet position and a cold air position in refrigeration oil fume absorption equipment, and is characterized in that a flow passage is formed in a cavity of the flow guide structure (8), and the flow guide structure (8) is provided with a first opening and a second opening which are not on the same straight line;

The flow channel is communicated with the cold air position or the air outlet position through the first opening, and the flow channel is communicated with the air outlet position or the cold air position through the second opening.

2. The structure of claim 1, wherein the flow guide structure (8) has a first bending portion (81) and a second bending portion (82) connected to each other; the first opening is arranged on the first bending part (81), and the second opening is arranged on the second bending part (82).

3. The flow directing structure according to claim 1 or 2, wherein an angle between a straight line of the first opening and a straight line of the second opening is 90 ° to 150 °.

4. the flow guiding structure of claim 2, wherein the first bending portion (81) and the second bending portion (82) are both provided with a rib (83); the flow guide structure (8) is clamped and fixed with the cold air position or the air outlet position through the flanges (83).

5. The flow guiding structure of claim 4, wherein the retaining edge (83) is provided with a limiting protrusion (85).

6. the structure of claim 4, wherein the first bent portion (81) and the second bent portion (82) have an intersection point;

the width of the rib (83) of the first bending part (81) is gradually increased from the end point of the first bending part (81) to the intersection point; the width of the rib (83) of the second bending part (82) is gradually increased from the end point of the second bending part (82) to the intersection point.

7. A refrigeration oil smoke suction device, which is characterized by comprising an oil smoke suction system (1), a refrigeration system (2), an air outlet device and a flow guide structure (8) according to any one of claims 1 to 6;

An exhaust channel of the refrigeration system (2) is communicated with a smoke exhaust channel of the oil fume suction system (1), and cold air generated by the refrigeration system (2) is communicated to the air outlet device through the flow guide structure (8).

8. Refrigeration range hood device according to claim 7, characterized in that said first opening is directed towards the evaporator (21) of said refrigeration system (2) and said second opening is connected to said air outlet means.