CN213237684U - Central flue system - Google Patents

Abstract

A central flue system is composed of casing, smoke exhaust channels, each of which has smoke sucking inlet and smoke exhaust outlet communicated with common flue, main blower for generating negative pressure in common flue, air outlet channel isolated from smoke exhaust channel, air outlet communicated with indoor space of kitchen, air conditioner module integrated with casing, compressor, the first and the second heat exchangers communicated via refrigerant pipeline, the first heat exchanger in smoke exhaust channel, and the second heat exchanger in air outlet channel. This central flue system installs unpowered range hood at user's house, and the oil smoke passes through the main air blower and inhales public flue to simplify the range hood structure, in addition, the air conditioner subassembly is integrated on range hood, and system's compact structure, it is more convenient to install, and first heat exchanger can improve first heat exchanger heat transfer effect in locating smoke exhaust passage, and then does benefit to and improves the air conditioner efficiency.

Description

Central flue system

Technical Field

The utility model relates to a central flue system.

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 generally has two forms, one is that the external machine is split type, namely, the external machine is located outdoors, the internal machine is located indoors, the internal machine and the external machine are respectively provided with a motor fan, the internal machine and the external machine are split type kitchen air conditioner connection mode, the connection mode needs to be connected through a pipeline, holes need to be formed in a wall, decoration is damaged, the external machine needs to be hung outdoors, the installation difficulty is large, and the structure is not compact enough. The other type is that the inside and outside machine is an integrated structure, although the evaporator and the condenser of the air conditioner can be installed indoors, the heat-discharging pipe of the condenser can be installed only by destroying a larger area of wall, so that the installation difficulty is increased, and the indoor attractiveness is influenced. The internal and external integrated machine usually comprises a mobile air conditioner and a window machine, when the mobile air conditioner is used, a heat dissipation hose needs to be manually connected, and the hose is placed outside a window, so that the use is inconvenient; the window machine needs to be provided with a square hole with a large area on the wall, the window machine can be put in and moved out when not in use, and a square hole is left on the wall, so that the window machine can be plugged by other objects, but is troublesome and damages decoration.

Due to the special environment of a kitchen, the problem of heat dissipation of the kitchen air conditioner needs to be solved, and if the kitchen air conditioner cannot dissipate heat in time in the using process, the energy efficiency of the air conditioner can be greatly reduced. However, the existing kitchen air conditioner and the range hood work independently, and the kitchen air conditioner and the range hood cannot be linked, so that how to discharge heat generated by the kitchen air conditioner through the range hood becomes a problem to be solved urgently. Although, the existing products such as the air conditioning range hood are also produced, namely, the air conditioning component is added on the basis of the platform of the range hood, all functions of the range hood can be realized, and simultaneously, the function of an air conditioner can also be realized. However, these air conditioner cigarette machines often carry out simple function with the indoor set of traditional air conditioner and traditional lampblack absorber and merge, do not solve the radiating problem of air conditioner well, and its air condensing units still need to install alone outdoor, and air conditioner lampblack absorber integrated level is not enough, and the installation is comparatively loaded down with trivial details.

In addition, existing buildings are provided with a common flue, a smoke exhaust channel of a range hood of each floor user is communicated with the common flue, and the range hood comprises a smoke exhaust fan, which is referred to as a central flue system and a target air volume control method thereof in the Chinese invention patent with the patent number of 201910338254.7 (the publication number of CN 110107938B). If a powerless central flue system can be designed, i.e. the range hood does not have an oil fume suction fan, and oil fume discharge is realized by an outdoor host machine on the top of a common flue, the structure of the range hood can be simplified, and the cost of the range hood is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a central flue system of compact structure, simple to operate, air conditioner heat transfer effect.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this central flue system, including installing the range hood at different floors, range hood is including the casing and locate the discharge fume channel in the casing, and every range hood all has the oil smoke suction inlet and the oil smoke discharge port that is linked together with public flue, its characterized in that: the kitchen cabinet is characterized by further comprising a main fan which is in fluid communication with the public flue and is used for enabling the public flue to generate negative pressure relative to the smoke exhaust channel, an air outlet channel which is isolated from the smoke exhaust channel is further arranged in the cabinet, an air outlet of the air outlet channel is in fluid communication with the interior of the kitchen, an air conditioning assembly is further integrated on the cabinet and comprises a compressor, a first heat exchanger and a second heat exchanger, the compressor, the first heat exchanger and the second heat exchanger are communicated through a refrigerant pipeline, the first heat exchanger is arranged in the smoke exhaust channel, and the second heat exchanger is arranged in the air outlet channel.

In order to make the range hood under different work condition, the oil smoke can be discharged through the smoke exhaust passage of difference, smoke exhaust passage includes first smoke exhaust passage and second smoke exhaust passage, the entry of first smoke exhaust passage and the entry of second smoke exhaust passage all with oil smoke suction inlet phase fluid intercommunication, first smoke exhaust passage has first exhaust port, and second smoke exhaust passage has the second exhaust port, form three-way passage between first exhaust port, second exhaust port and the oil smoke discharge port install the diverter valve in the three-way passage, make one of them exhaust port in first exhaust port and the second exhaust port be linked together with the oil smoke discharge port through controlling the diverter valve, first heat exchanger is located in the first smoke exhaust passage.

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

In order to enable the air outlet channel to smoothly discharge air, an air outlet fan is arranged in the air outlet channel.

Further preferably, a filter screen is installed in the air outlet channel, and the filter screen, the second heat exchanger and the air outlet fan are sequentially arranged along the air flowing direction. The filter screen is preferably a coarse filter screen.

Preferably, the air inlet of the air outlet channel is arranged on the casing, and the air inlet is communicated with the inside of the kitchen or the outside of the kitchen. Therefore, indoor air can enter the air outlet channel, and outdoor fresh air can also enter the air outlet channel.

Further preferably, the air outlet of the air outlet channel is arranged on the front face, the top or the side face of the machine shell.

In order to make the internal structural layout of the range hood more reasonable, the smoke exhaust channel is arranged in the middle of the casing, and the compressor and the air outlet channel are respectively arranged on the left side and the right side of the smoke exhaust channel.

In order to enable the air outlet of the air conditioner to blow out cold air, the first heat exchanger is a condenser, and the second heat exchanger is an evaporator.

In order to collect the condensed water generated by the evaporator, a condensed water collecting device for collecting the condensed water generated by the second heat exchanger is installed in the cabinet.

Compared with the prior art, the utility model has the advantages of: the main fan is installed at the top of the common flue of the central flue system, the unpowered range hood is installed at the home of a user, oil smoke is sucked into the common flue under the action of the main fan, so that the structure of the range hood is simplified, in addition, the air conditioning assembly is integrated on the range hood, the system is compact in structure, high in integration level and more convenient to install, the first heat exchanger of the air conditioning assembly is arranged in the smoke exhaust channel, the heat or the cold of the first heat exchanger can be taken away by the oil smoke, the heat exchange effect of the first heat exchanger is improved, and the air conditioning efficiency is further improved.

Drawings

Fig. 1 is a schematic structural diagram of a system according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a range hood according to a first embodiment of the present invention in a state where a first exhaust port is opened;

fig. 3 is a schematic structural view of the range hood according to the first embodiment of the present invention in a state where the second exhaust port is opened;

fig. 4 is an installation schematic view of a range hood according to an embodiment of the present invention;

fig. 5 is an installation schematic view of a range hood according to the second embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 4, the central flue system of the present embodiment includes a range hood 1 installed on different floors. The range hood 1 includes a casing 11, and a smoke exhaust channel 12 and an air outlet channel 13 which are isolated from each other are arranged inside the casing 11. The range hood 1 has a smoke suction opening 14 and a smoke discharge opening 15, a smoke exhaust channel 12 is formed between the smoke suction opening 14 and the smoke discharge opening 15, and the smoke discharge opening 15 is communicated with the common flue 3. The top of the common flue 3 is provided with a main fan 4, when the main fan 4 is started, negative pressure is formed inside the common flue 3 relative to the smoke exhaust channel 12, and the oil smoke is exhausted from the smoke exhaust channel 12 and enters the common flue 3.

An air conditioning assembly is integrated on the casing 11, the air conditioning assembly includes a compressor 21, a first heat exchanger 22 and a second heat exchanger 23, and the compressor 21, the first heat exchanger 22 and the second heat exchanger 23 are communicated through a refrigerant pipeline 24. The specific working principle of the air conditioning assembly is the same as that of the existing air conditioner, and the description is not repeated.

The smoke exhausting channel 12 of the present embodiment is approximately provided at the left and right central position of the cabinet 11, the smoke exhausting channel 12 includes a first smoke exhausting channel 121 and a second smoke exhausting channel 122, and both the first smoke exhausting channel 121 and the second smoke exhausting channel 122 are vertical channels and are adjacently arranged left and right. The inlet of the first smoke evacuation channel 121 and the inlet of the second smoke evacuation channel 122 are both in fluid communication with the smoke suction inlet 14. The top of the first smoke exhaust channel 121 is provided with a first smoke exhaust port 123, the top of the second smoke exhaust channel 122 is provided with a second smoke exhaust port 124, a three-way channel 16 is formed among the first smoke exhaust port 123, the second smoke exhaust port 124 and the oil smoke exhaust port 15, a switching valve 17 is installed in the three-way channel 16, and one of the first smoke exhaust port 123 and the second smoke exhaust port 124 can be communicated with the oil smoke exhaust port 15 by controlling the switching valve 17. As shown in fig. 2, the switching valve 17 is rotated to the horizontal position, and the first smoke discharge port 123 communicates with the smoke discharge port 15; as shown in fig. 3, the switching valve 17 is rotated to the vertical position, and the second smoke discharge port 124 communicates with the smoke discharge port 15.

In this embodiment, the first heat exchanger 22 is provided in the first smoke exhaust path 121. A smoke purifying device 18 is also installed in the first smoke exhaust path 121, and the smoke purifying device 18 is provided upstream of the first heat exchanger 22 in the smoke flowing direction. The lampblack purification device 18 can generally adopt various electrostatic purification devices in the prior art.

The direction indicated by the arrow a in fig. 2 is the right, and the air outlet channel 13 is located at the right side of the smoke exhaust channel 12. The air inlet 131 of the air outlet channel 13 is disposed on the housing 11 and is in fluid communication with the interior of the kitchen, the air outlet 132 of the air outlet channel 13 is disposed on the housing 11 and is in fluid communication with the interior of the kitchen, and the air outlet 132 may be disposed on the front surface of the housing 11, on the top of the housing 11, or on the side surface of the housing 11. In the air outlet channel 13, along the air flowing direction, a filter screen 19, a second heat exchanger 23 and an air outlet fan 133 are sequentially installed, and the filter screen 19 is usually a coarse filter screen for filtering large particles. Under the action of the air outlet fan 133, the air entering the air outlet channel 13 from the air inlet 131 is subjected to heat exchange with the second heat exchanger 23 and then blown out from the air outlet 132, so as to provide cold air or warm air for the kitchen.

In addition, the compressor 21 of the present embodiment is installed inside the casing 11 and is located at the left side of the smoke evacuation path 12.

In this embodiment, the first heat exchanger 22 is a condenser, and the second heat exchanger 23 is an evaporator. As shown in fig. 4, a condensed water collecting device 5 for collecting condensed water generated by the second heat exchanger 23, i.e., the evaporator, is installed in the cabinet 11. The condensed water collecting device 5 is communicated with a drain pipe 7 in a wall body through a water pipe 6, a water pump 8 is installed on the water pipe 6, and the condensed water in the condensed water collecting device 5 is drained into the drain pipe 7 under the action of the water pump 8.

In the air conditioning system of the embodiment, the working principle is as follows:

as shown in fig. 2, when the range hood 1 and the air conditioning system are both opened, the switching valve 17 is switched to the vertical position, the first smoke exhaust channel 121 is opened, the second smoke exhaust channel 122 is closed, under the action of the main fan 4, the oil smoke passes through the first smoke exhaust channel 121 in sequence, then is exhausted from the oil smoke exhaust port 15 to the common flue 3, and simultaneously takes away the heat of the first heat exchanger 22, i.e., the condenser, and blows out cold air from the air outlet 132 of the air outlet channel 13 to the kitchen.

As shown in fig. 3, when only the range hood 1 is opened, the switching valve 17 is switched to the horizontal position, the first smoke exhaust channel 121 is closed, the second smoke exhaust channel 122 is opened, and under the action of the main fan 4, the oil smoke passes through the second smoke exhaust channel 122 in sequence and is then discharged from the oil smoke discharge port 15 into the common flue 3.

Example two:

as shown in fig. 5, the air inlet 131 of the air outlet channel 13 of this embodiment is communicated with a room such as a living room in a partition wall of a kitchen through the air inlet pipe 134, and the living room is communicated with fresh outdoor air through the fresh air purifying device 9, so that the fresh outdoor air is purified and then enters the air outlet channel 13, and is further supplemented into the kitchen through the air outlet 132 of the air outlet channel 13 to provide fresh air for the kitchen.

In addition, 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, a conduit, a flow guide, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims (10)

1. The utility model provides a central flue system, is including installing range hood (1) at different floors, range hood (1) is including casing (11) and locate smoke exhaust passage (12) in the casing, and every range hood (1) all has oil smoke sunction inlet (14) and oil smoke discharge port (15) that are linked together with public flue (3), its characterized in that: the kitchen ventilator further comprises a main fan (4) which is in fluid communication with the common flue (3) and is used for enabling the common flue (3) to generate negative pressure relative to the smoke exhaust channel (12), an air outlet channel (13) which is isolated from the smoke exhaust channel (12) is further arranged in the casing (11), an air outlet (132) of the air outlet channel (13) is in fluid communication with the interior of a kitchen room, an air conditioning assembly is further integrated on the casing (11), the air conditioning assembly comprises a compressor (21), a first heat exchanger (22) and a second heat exchanger (23), the compressor (21), the first heat exchanger (22) and the second heat exchanger (23) are communicated through a refrigerant pipeline (24), the first heat exchanger (22) is arranged in the smoke exhaust channel (12), and the second heat exchanger (23) is arranged in the air outlet channel (13).

2. The central flue system of claim 1 wherein: the smoke exhausting channel (12) comprises a first smoke exhausting channel (121) and a second smoke exhausting channel (122), the inlet of the first smoke exhausting channel (121) and the inlet of the second smoke exhausting channel (122) are both in fluid communication with a smoke sucking port (14), the first smoke exhausting channel (121) is provided with a first smoke exhausting port (123), the second smoke exhausting channel (122) is provided with a second smoke exhausting port (124), a three-way channel (16) is formed among the first smoke exhausting port (123), the second smoke exhausting port (124) and a smoke exhausting port (15), a switching valve (17) is installed in the three-way channel (16), one of the first smoke exhausting port (123) and the second smoke exhausting port (124) is communicated with the smoke exhausting port (15) by controlling the switching valve (17), and the first heat exchanger (22) is arranged in the first smoke exhausting channel (121).

3. The central flue system of claim 2 wherein: a lampblack purification device (18) is further installed in the first smoke exhaust channel (121), and the lampblack purification device (18) is arranged on the upstream of the first heat exchanger (22) along the flowing direction of lampblack.

4. The central flue system of claim 1 wherein: an air outlet fan (133) is arranged in the air outlet channel (13).

5. The central flue system of claim 1 wherein: a filter screen (19) is installed in the air outlet channel (13), and the filter screen (19), the second heat exchanger (23) and the air outlet fan (133) are sequentially arranged along the air flowing direction.

6. The central flue system of claim 1 wherein: an air inlet (131) of the air outlet channel (13) is formed in the machine shell (11), and the air inlet (131) is communicated with the interior of a kitchen room or is communicated with the exterior of the kitchen room through fluid.

7. The central flue system of claim 1 wherein: and an air outlet (132) of the air outlet channel (13) is arranged on the front surface or the top or the side surface of the machine shell (11).

8. The central flue system of claim 1 wherein: the smoke exhaust channel (12) is arranged in the middle of the casing (11), and the compressor (21) and the air outlet channel (13) are respectively arranged on the left side and the right side of the smoke exhaust channel (12).

9. The central flue system of claim 1 wherein: the first heat exchanger (22) is a condenser, and the second heat exchanger (23) is an evaporator.

10. The central flue system of claim 8 wherein: a condensed water collecting device (5) for collecting condensed water generated by the second heat exchanger (23) is installed in the cabinet (11).

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