CN215216360U - Integrated range hood and kitchen air conditioning system - Google Patents

Abstract

The utility model relates to the field of air conditioners, in particular to an integrated range hood and a kitchen air conditioning system, which comprises an air conditioning assembly, a range hood assembly and an oil fume filtering device; the air conditioning assembly comprises a compressor, a first heat exchanger and a second heat exchanger; a throttling device is arranged between the first heat exchanger and the second heat exchanger; a first air inlet is formed in one side of the second heat exchanger, and a first air outlet is formed in the other side of the second heat exchanger; a cross-flow fan is also arranged between the second heat exchanger and the first air outlet; the range hood assembly comprises a range hood shell and a centrifugal fan; the shell of the range hood comprises a fan volute and a smoke exhaust pipe, and the centrifugal fan is arranged in the fan volute. The utility model discloses a first heat exchanger cladding can not only utilize the oil smoke to dispel the heat for first heat exchanger outside the range hood shell, utilizes first heat exchanger to heat for the oil smoke, avoids the oil smoke to meet cold liquefaction, can avoid the oil smoke to adhere to on first heat exchanger moreover, reduces heat exchange efficiency, solves first heat exchanger and washs a difficult problem.

Description

Integrated range hood and kitchen air conditioning system

Technical Field

The utility model relates to an air conditioner field, concretely relates to integral type range hood and kitchen air conditioning system.

Background

The kitchen is used as a main cooking place, and has a large heat source and a narrow space. The air temperature is high in summer, cooking generates a large amount of oil smoke, the working environment of a kitchen is severe, the mood of a cooker is seriously affected, and therefore an air conditioner is needed to adjust the air environment in the kitchen. The kitchen air conditioner has the following problems when being installed under the special influence of the kitchen structure and the environment: the kitchen space is narrow, the problems of wall hole forming, pipe running and the like are required to be faced when the split air conditioner is installed, the integral structure is dispersed, and the installation position of an outdoor unit is not reserved on the outer wall of the kitchen generally, so that inconvenience is brought to the installation of the air conditioner; if the integrated mobile air conditioner is used, the waste heat exhaust pipe needs to be installed on a wall or a window through a hole, and the integrated mobile air conditioner is inconvenient and unattractive.

There is the special air conditioner in kitchen that an air conditioner and lampblack absorber combine at present, and patent application number is 201811149070.8, utilizes the exhaust duct of cigarette machine to dispel the heat to the condenser of air conditioner, directly sets up the air conditioner condenser in the cigarette machine exhaust duct, but because smoke ventilator's exhaust gas oil smoke is heavier, the oil smoke is attached to on the condenser, and the heat transfer ability of condenser descends gradually, and the greasy dirt on the condenser is difficult for wasing.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an integral type range hood and kitchen air conditioning system with the air conditioner integration on range hood, save installation space, when realizing kitchen temperature regulation, can also avoid the pollution of greasy dirt to the heat exchanger.

In order to achieve the above object, the utility model adopts the following technical scheme: an integrated range hood and kitchen air conditioning system comprises a range hood assembly and an air conditioning assembly;

the range hood assembly comprises a range hood shell and a centrifugal fan; the range hood shell comprises a fan volute and a smoke exhaust pipe, the top end of the fan volute is communicated with one end of the smoke exhaust pipe, and the other end of the smoke exhaust pipe is communicated with an external main pipe; the centrifugal fan is arranged in the fan volute;

the air conditioner assembly comprises an air conditioner body and a first heat exchanger; the air conditioner body is arranged on one side of the range hood assembly; the first heat exchanger is coated outside the range hood shell; the air conditioner body comprises a compressor and a second heat exchanger; the compressor is respectively communicated with the first heat exchanger and the second heat exchanger through pipelines; the first heat exchanger is communicated with the second heat exchanger through a pipeline; the top surface of the shell of the air conditioner body is provided with a first air inlet, a first air outlet is formed in one side surface, close to the interior of a kitchen, of the shell of the air conditioner body, and the second heat exchanger is arranged between the first air inlet and the first air outlet.

Optionally, the integrated range hood and kitchen air conditioning system further comprises an oil fume filtering device; the oil fume filtering device comprises a first filtering piece, a second filtering piece and a third filtering piece; the first filter is established in first air inlet department, the second filters and establishes in first air outlet department, the third filters and establishes in the one end department of keeping away from the pipe of discharging fume (flue gas entry promptly) of fan spiral case. Through the oil smoke filter equipment, can carry out appropriate filtration to the oil fume in kitchen, avoid thick and heavy oil fume to get into from first air outlet, fan spiral case or first air outlet department, cause the pollution to each part in the system.

Optionally, a throttling device is arranged on a pipeline between the first heat exchanger and the second heat exchanger; and/or a condensate water tank is arranged at the lowest end of the second heat exchanger; the condensate water tank is connected with the outer surface of the first heat exchanger through a condensate pipe; and/or a cross-flow fan is arranged between the second heat exchanger and the first air outlet.

The throttling device is a common part of the air conditioner, and static pressure difference can be generated in front of and behind the throttling device, so that the refrigerating or heating efficiency can be improved.

When the second heat exchanger refrigerates as the evaporimeter, the temperature is low, and the air meets the evaporimeter and becomes the comdenstion water, collects in the condensate tank, flows to the condenser surface through the comdenstion water pipe, evaporates under high temperature.

Through the arrangement of the cross-flow fan, external wind energy enters from the first air inlet in time, is cooled by the evaporator and then is blown out from the first air outlet, so that the air quantity can be supplemented in time, and the air speed is accelerated.

Optionally, the first heat exchanger is coated outside the smoke exhaust pipe. The centrifugal fan is arranged in the fan volute connected with the starting end of the smoke exhaust pipe, the oil smoke in the smoke exhaust pipe just passes through the centrifugal fan, the flow speed is high, the temperature is low, the first heat exchanger outside the smoke exhaust pipe can exchange heat with the oil smoke, the heat dissipation of the first heat exchanger is facilitated, the oil smoke is heated, and the oil smoke is prevented from being liquefied and blocking the smoke exhaust pipe.

Optionally, the first heat exchanger is wrapped outside the fan volute. The centrifugal fan is arranged in the fan volute, the wind speed is high, the temperature outside the fan volute is low, and the first heat exchanger is wrapped outside the fan volute and contributes to heat dissipation of the first heat exchanger.

Optionally, the first heat exchanger is a microchannel heat exchanger or a coil heat exchanger. The micro-channel heat exchanger and the coil type heat exchanger are flat in appearance and large in area, on one hand, the first heat exchanger is conveniently coated outside the range hood shell, and on the other hand, the first heat exchanger is favorably in full contact with the range hood shell and exchanges heat with oil smoke in the range hood shell.

Optionally, a fixing bolt is arranged outside the range hood shell; the first heat exchanger is tightly fixed outside the shell of the range hood through a mounting bracket. The fixing bolt and the mounting bracket are common mounting components in the field, and are beneficial to mounting, replacing and dismounting the first heat exchanger by common technicians.

Optionally, the integrated range hood and kitchen air conditioning system further comprises an exhaust fan, an exhaust pipe, an oil smoke non-return device, a waste oil collecting device and a second air inlet; the compressor is provided with a four-way valve and is respectively connected with the first heat exchanger and the second heat exchanger through the four-way valve;

one end of the exhaust pipe is connected with the first heat exchanger, and the other end of the exhaust pipe is connected with one end, close to the smoke exhaust pipe, of the external main pipe; the exhaust fan is arranged in one end of the exhaust pipe close to the first heat exchanger; the oil smoke non-return device is arranged in the external main pipe; the waste oil collecting device is arranged in one end of the smoke exhaust pipe close to the fan volute;

the second air inlet is formed in one side of the first heat exchanger;

the oil fume filtering device also comprises a fourth filtering piece; the fourth filter element is arranged at the second air inlet.

The cross valve has the control valve of four hydraulic fluid ports, but the helping system switches between refrigeration cycle and heating cycle, through the setting of cross valve, the utility model discloses not only have oil absorption cigarette, single refrigeration function, still have cold and hot gas switching function.

Through the arrangement of the exhaust fan, the exhaust pipe and the second air inlet, when the refrigeration load of the system is large, the first heat exchanger is a condenser, the second heat exchanger is an evaporator, the exhaust fan can radiate heat for the condenser, and heat is sent out from the exhaust pipe; when the system heats, first heat exchanger is the evaporimeter, and the second heat exchanger is the condenser, and the exhaust fan also can give the condenser heat dissipation, and the heat is seen off from the exhaust pipe, and in addition, through waste oil collection device's setting, when the oil smoke meets cold liquefaction through the evaporimeter section, waste oil can be temporarily stored in waste oil collection device.

The arrangement of the oil smoke non-return device in the external main pipe is helpful to preventing oil smoke from flowing back.

Optionally, the integrated range hood and kitchen air conditioning system further comprises a suction fan; the suction fan is arranged on one side of the first heat exchanger, which is far away from the second air inlet. Through the arrangement of the suction fan, external air can enter from the second air inlet, and the heat exchange efficiency of the first heat exchanger is improved.

Optionally, the waste oil collecting device is drawer-type. The waste oil collecting device is drawer-type, so that the waste oil collecting device is convenient for users to clean regularly.

Optionally, the waste oil collecting device is an oil absorbing material bag; the oil absorbing material is coated on the inner wall of the smoke exhaust pipe. Through the setting of waste oil collection device for inhaling oil material package, reduce user's cleaning work, directly replace new oil absorption material package can.

Optionally, the exhaust fan is an axial flow fan or a centrifugal fan. Axial-flow fans and centrifugal fans are common exhaust fans in the field, and are favorable for manufacturers and maintenance personnel to purchase and replace the exhaust fans. In addition, the centrifugal fan is small in size and installed in the exhaust pipe, the size of the exhaust pipe can be properly reduced, and the overall size of the system can be reduced.

Optionally, the exhaust pipe and the smoke exhaust pipe are both vertically upward. The density of oil smoke gas is less than the air, has the trend of upward movement, through the perpendicular ascending setting of exhaust pipe, helps the exhaust pipe to discharge oil smoke gas. The exhaust pipe is matched with the smoke exhaust pipe, so that the whole structure of the system is compact, and the space is saved.

The utility model discloses an integral type range hood and kitchen air conditioning system's beneficial effect as follows:

compared with the prior art, the utility model discloses an integral type range hood and kitchen air conditioning system, with the cladding of the first heat exchanger in the air conditioning components outside the range hood shell, the oil smoke that not only flows in the range hood can utilize the heat of first heat exchanger to get the heating, avoids the oil smoke to meet cold liquefaction, blocks up the pipe of discharging fume, and the oil smoke that flows can be for the heat dissipation of first heat exchanger moreover, avoids the oil smoke to adhere to on first heat exchanger, reduces heat exchange efficiency, solves the first heat exchanger and washs a difficult problem.

Drawings

Fig. 1 is a schematic structural view of the first heat exchanger coated outside the housing of the range hood during single refrigeration of the present invention;

fig. 2 is a schematic structural view of the first heat exchanger covering the fan volute during single refrigeration of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the present invention when combining the cooling and heating functions;

fig. 4 is a schematic structural view of another embodiment of the present invention when combining the cooling and heating functions;

FIG. 5 is a left side view at A in FIG. 4;

in the figure:

1-a compressor; 2-a first heat exchanger; 3-a second heat exchanger; 4-a pipeline; 5-a throttling device; 6-condensation water tank; 7-a condensate pipe; 8-cross flow fan; 9-centrifugal fan; 10-a fan volute; 11-a smoke exhaust pipe; 12-external mains; 13-an exhaust fan; 14-an exhaust duct; 15-lampblack non-return device; 16-a waste oil collection device; 17-a four-way valve; 18-a suction fan;

19-a first filter element; 20-a second filter element; 21-a third filter element; 22-a fourth filter element;

23-a first air inlet; 24-a first air outlet; 25-second air inlet.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described below with reference to fig. 1-5 are exemplary and intended to explain the present invention.

Referring to fig. 1, an integrated range hood and kitchen air conditioning system includes a range hood assembly and an air conditioning assembly. The air conditioner assembly comprises an air conditioner body and a first heat exchanger 2; the air conditioner body comprises a compressor 1 and a second heat exchanger 3; the compressor 1, the first heat exchanger 2 and the second heat exchanger 3 are communicated with each other through a pipeline 4; and a first air inlet 23 is arranged at one side of the second heat exchanger 3, and a first air outlet 24 is arranged at the other side of the second heat exchanger. The range hood assembly comprises a range hood shell and a centrifugal fan 9; the range hood shell comprises a fan volute 10 and a smoke exhaust pipe 11, the top end of the fan volute 10 is connected with one end of the smoke exhaust pipe 11, and the centrifugal fan 9 is arranged in the fan volute 10. The first heat exchanger 2 is coated outside the shell of the range hood. In the embodiment, the system is mainly used in hot summer, and after the centrifugal fan 9 is started, oil smoke passes through the fan volute 10 and the smoke exhaust pipe 11 in sequence; the first heat exchanger 2 is a condenser and can dissipate heat by means of oil smoke in the shell of the range hood or wind of the centrifugal fan 9; the second heat exchanger 3 is an evaporator, and external air enters from the first air inlet 23, is cooled by the evaporator, and then is blown out from the first air outlet 24. The air conditioner component and the range hood component can be used independently or in a linkage manner.

The operation of the integrated range hood and kitchen air conditioning system is described as follows:

in hot summer, after the air conditioning assembly and the range hood assembly of the integrated range hood and kitchen air conditioning system are jointly started, in the aspect of oil smoke suction, hot oil smoke is sucked by the centrifugal fan 9, passes through the fan volute 10 and enters the smoke exhaust pipe 11, and the condenser coated outside the shell of the range hood heats the oil smoke to prevent the oil smoke from liquefying in the case of meeting cold and blocking the smoke exhaust pipe 11; in the aspect of refrigeration, the air conditioning component has the same working principle as the existing air conditioner, and mainly comprises that when the condenser is used for radiating heat, oil smoke can rapidly flow in the shell of the range hood after being sucked by the centrifugal fan 9 by virtue of the oil smoke, the temperature of the oil smoke is low, and the heat of the condenser coated outside the shell of the range hood can be taken away. In addition, because the condenser is not in direct contact with the oil fume, the oil fume can not be adsorbed, and the negative influence of the oil fume on the heat exchange effect of the heat exchanger can be avoided. When the range hood assembly is used independently, the air conditioning system is closed, and the centrifugal fan 9 is opened at a large gear to absorb oil smoke; when the air conditioner component is used independently, the centrifugal fan 9 can be started, a smaller gear is selected, and air cooling is utilized to dissipate heat of the condenser.

In one embodiment, the lowest end of the second heat exchanger 3 is provided with a condensate water tank 6; the condensate tank 6 is connected with the outer surface of the first heat exchanger 2 through a condensate pipe 7. When the second heat exchanger 3 is used as an evaporator for refrigeration, the temperature is low, air meets the evaporator and becomes condensate water, the condensate water is collected in a condensate water tank 6 and flows to the surface of a condenser through a condensate pipe 7, and the air is evaporated at high temperature.

In an embodiment, a cross-flow fan 8 is further disposed between the second heat exchanger 3 and the first air outlet 24. Through the arrangement of the cross-flow fan 8, external wind energy enters from the first air inlet 23 in time and is blown out from the first air outlet 24 after being cooled by the evaporator, so that the air quantity can be supplemented in time, and the air speed is accelerated.

In one embodiment, the integrated range hood and kitchen air conditioning system further includes a soot filtering device, which includes a first filtering member 19, a second filtering member 20, and a third filtering member 21; the first filter piece 19 is arranged at the first air inlet 23, the second filter piece 20 is arranged at the first air outlet 24, and the third filter piece 21 is arranged at one end of the fan volute 10 far away from the smoke exhaust pipe 11. Through the oil smoke filter equipment, can carry out appropriate filtration to the oil smoke gas in kitchen, avoid thick heavy oil smoke gas to get into from first air outlet 24, fan spiral case 10 or first air outlet 24 department, cause the pollution to each part in the system.

In one embodiment, as shown in fig. 1, the first heat exchanger 2 is wrapped outside the smoke exhaust pipe 11. The centrifugal fan 9 is arranged in the fan volute 10 connected with the starting end of the smoke exhaust pipe 11, oil smoke in the smoke exhaust pipe 11 just passes through the centrifugal fan 9, the flow rate is high, the temperature is low, the first heat exchanger 2 outside the smoke exhaust pipe 11 can exchange heat with the oil smoke, the heat dissipation of the first heat exchanger 2 is facilitated, the oil smoke is heated, and the oil smoke is prevented from being liquefied and blocking the smoke exhaust pipe 11.

In one embodiment, as shown in fig. 2, the first heat exchanger 2 is wrapped outside the blower volute 10. The centrifugal fan 9 is arranged in the fan volute 10, the wind speed is high, the temperature outside the fan volute 10 is low, and the first heat exchanger 2 is wrapped outside the fan volute 10 and contributes to heat dissipation of the first heat exchanger 2.

In an embodiment, the first heat exchanger 2 is a microchannel heat exchanger or a coil heat exchanger. The micro-channel heat exchanger and the coil type heat exchanger are flat in appearance and large in area, on one hand, the first heat exchanger 2 is conveniently coated outside the shell of the range hood, and on the other hand, the first heat exchanger 2 is beneficial to being fully contacted with the shell of the range hood and exchanging heat with oil smoke in the shell of the range hood.

In one embodiment, a fixing bolt is arranged outside the range hood shell; the first heat exchanger 2 is tightly fixed outside the shell of the range hood through a mounting bracket. The fixing bolt and the mounting bracket are common mounting components in the field, and are beneficial to installation, replacement and disassembly of the first heat exchanger 2 by common technicians.

In an embodiment, as shown in fig. 3, the integrated range hood and kitchen air conditioning system further includes an exhaust fan 13, an exhaust pipe 14, a lampblack non-return device 15, a waste oil collecting device 16, and a second air inlet 25; a four-way valve 17 is arranged on the compressor 1, and the compressor 1 is respectively connected with the first heat exchanger 2 and the second heat exchanger 3 through the four-way valve 17;

one end of the exhaust pipe 14 is connected with the first heat exchanger 2, and the other end of the exhaust pipe is connected with one end of the external main pipe 12 close to the smoke exhaust pipe 11; the exhaust fan 13 is arranged in one end of the exhaust pipe 14 close to the first heat exchanger 2; the lampblack non-return device 15 is arranged in the external main pipe 12; the waste oil collecting device 16 is arranged in one end of the smoke exhaust pipe 11 close to the fan volute 10;

the second air inlet 25 is arranged at one side of the first heat exchanger 2;

the fume filter device also comprises a fourth filter element 22; the fourth filter 22 is disposed at the second air inlet 25.

The cross valve 17 has the control valve of four hydraulic fluid ports, but the helping system switches between refrigeration cycle and heating cycle, through the setting of cross valve 17, the utility model discloses not only have oil absorption cigarette, single refrigeration or the function of heating, still have cold and hot gas switching function.

Through the arrangement of the exhaust fan 13, the exhaust pipe 14 and the second air inlet 25, when the refrigeration load of the system is large, the first heat exchanger 2 is a condenser, the second heat exchanger 3 is an evaporator, the exhaust fan 13 can radiate heat for the condenser, and the heat is sent out from the exhaust pipe 14; when the system heats, first heat exchanger 2 is the evaporimeter, and second heat exchanger 3 is the condenser, and exhaust fan 13 also can give the condenser heat dissipation, and the heat is sent out from exhaust pipe 14, and in addition, through waste oil collection device 16's setting, when the oil smoke meets cold liquefaction through the evaporimeter section, waste oil can temporarily be stored in waste oil collection device 16.

The arrangement of the lampblack non-return device 15 in the external main pipe 12 helps to prevent the lampblack from flowing back.

The embodiment can also realize the independent use of the air conditioning component and the range hood component. When the range hood assembly is used independently, the centrifugal fan 9 is started to absorb oil smoke in a kitchen; when the air conditioner component is used independently, the exhaust fan 13 is started to exchange heat for the first heat exchanger 2 or the second heat exchanger 3, and when the heat exchange requirement is large, the centrifugal fan 9 can be started to assist in heat exchange.

In one embodiment, as shown in fig. 5, the integrated range hood and kitchen air conditioning system further includes a suction fan 18; the suction fan 18 is arranged on the side of the first heat exchanger 2 away from the second air inlet 25. The suction fan 18 is a centrifugal fan, and through the arrangement of the suction fan 18, external wind can enter from the second air inlet 25, so that the heat exchange efficiency of the first heat exchanger 2 is improved, as shown in a wind direction B in fig. 5. Taking the refrigeration condition as an example, when the air conditioning assembly and the range hood assembly are both started, the suction fan 18 is started, air in the kitchen enters the exhaust pipe 14 from the second air inlet 25, exchanges heat with the first heat exchanger 2 under the action of the suction fan 18, then is exhausted out of the kitchen through the exhaust pipe 14, and meanwhile, the sucked oil smoke is exhausted out of the room through the exhaust pipe 11.

In one embodiment, the waste oil collection device 16 is of a drawer type. The waste oil collecting device 16 is arranged in a drawer type, so that a user can clean the waste oil regularly.

In one embodiment, the waste oil collection device 16 is a bag of oil absorbing material; the oil absorption material is wrapped on the inner wall of the smoke exhaust pipe 11. Through the setting of waste oil collection device 16 for inhaling oil material package, reduce user's cleaning work, directly replace new oil absorption material package can.

In one embodiment, the exhaust fan 13 is an axial flow fan or a centrifugal fan. Both axial flow fans and centrifugal fans are common exhaust fans 13 in the field, and are beneficial to manufacturers and maintenance personnel to purchase and replace the exhaust fans 13. In addition, the centrifugal fan is small in size and is installed in the exhaust duct 14, so that the size of the exhaust duct 14 can be properly reduced, and the whole size of the system can be reduced.

In one embodiment, as shown in FIG. 4, the exhaust duct 14 and the smoke exhaust duct 11 are both vertically upward. The density of the oil fume is less than that of air, the oil fume tends to move upwards, and the exhaust pipe 11 is vertically arranged upwards, so that the exhaust pipe 14 is facilitated to exhaust the oil fume. The exhaust pipe 14 is matched with the smoke exhaust pipe 11, so that the whole structure of the system is compact, and the space is saved.

It should be noted that, in the case of conflict, various technical features in the embodiments and examples of the present invention may be combined with each other as long as there is no conflict or contradiction in the combination between the features, but the present invention is limited by the space and is not described one by one.

The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an integral type range hood and kitchen air conditioning system which characterized in that: comprises a range hood component and an air conditioner component;

the range hood assembly comprises a range hood shell and a centrifugal fan; the range hood shell comprises a fan volute and a smoke exhaust pipe, the top end of the fan volute is communicated with one end of the smoke exhaust pipe, and the other end of the smoke exhaust pipe is communicated with an external main pipe; the centrifugal fan is arranged in the fan volute;

the air conditioner assembly comprises an air conditioner body and a first heat exchanger; the air conditioner body is arranged on one side of the range hood assembly; the first heat exchanger is coated outside the range hood shell; the air conditioner body comprises a compressor and a second heat exchanger; the compressor is respectively communicated with the first heat exchanger and the second heat exchanger through pipelines; the first heat exchanger is communicated with the second heat exchanger through a pipeline; the top surface of the shell of the air conditioner body is provided with a first air inlet, a first air outlet is formed in one side surface, close to the interior of a kitchen, of the shell of the air conditioner body, and the second heat exchanger is arranged between the first air inlet and the first air outlet.

2. The integrated range hood and kitchen air conditioning system of claim 1, wherein: also comprises an oil fume filtering device; the oil fume filtering device comprises a first filtering piece, a second filtering piece and a third filtering piece; first filter establishes in first air inlet department, the second filters and establishes in first air outlet department, the third filters and establishes in the one end department of keeping away from the pipe of discharging fume of fan spiral case.

3. The integrated range hood and kitchen air conditioning system of claim 1, wherein: a throttling device is arranged on a pipeline between the first heat exchanger and the second heat exchanger; and/or a condensate water tank is arranged at the lowest end of the second heat exchanger; the condensate water tank is connected with the outer surface of the first heat exchanger through a condensate pipe; and/or a cross-flow fan is arranged between the second heat exchanger and the first air outlet.

4. The integrated range hood and kitchen air conditioning system of claim 1, wherein: the first heat exchanger is coated outside the smoke exhaust pipe; or the like, or, alternatively,

the first heat exchanger is coated outside the fan volute.

5. The integrated range hood and kitchen air conditioning system of claim 1, wherein: the first heat exchanger is a micro-channel heat exchanger or a coil type heat exchanger; a fixing bolt is arranged outside the range hood shell; the first heat exchanger is tightly fixed outside the shell of the range hood through a mounting bracket.

6. The integrated range hood and kitchen air conditioning system of claim 2, wherein: the oil fume non-return device is connected with the oil fume collection device; the compressor is provided with a four-way valve and is respectively communicated with the first heat exchanger and the second heat exchanger through the four-way valve;

one end of the exhaust pipe is connected with the first heat exchanger, and the other end of the exhaust pipe is communicated with one end, close to the smoke exhaust pipe, of the external main pipe; the exhaust fan is arranged in one end of the exhaust pipe close to the first heat exchanger; the oil smoke non-return device is arranged in the external main pipe; the waste oil collecting device is arranged in one end of the smoke exhaust pipe close to the fan volute;

the second air inlet is formed in one side of the first heat exchanger;

the oil fume filtering device also comprises a fourth filtering piece; the fourth filter element is arranged at the second air inlet.

7. The integrated range hood and kitchen air conditioning system of claim 6, wherein: the device also comprises a suction fan; the suction fan is arranged on one side of the first heat exchanger, which is far away from the second air inlet.

8. The integrated range hood and kitchen air conditioning system of claim 6, wherein: the waste oil collecting device is drawer type; or the like, or, alternatively,

waste oil collection device is oil absorption material package, oil absorption material package is established at the inside wall of smoke evacuation pipe.

9. The integrated range hood and kitchen air conditioning system of claim 6, wherein: the exhaust fan is an axial flow fan or a centrifugal fan.

10. The integrated range hood and kitchen air conditioning system of claim 6, wherein: the smoke exhaust pipe and the exhaust pipe are both vertically upward.

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