CN211822788U

CN211822788U - Heat exchanger and kitchen air conditioning system adopting same

Info

Publication number: CN211822788U
Application number: CN201922139434.0U
Authority: CN
Inventors: 傅海峰; 曹亚裙; 余丙松; 郭俊杰; 李昂; 朱启惠; 赵艳凤; 崔腾飞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-10-30
Anticipated expiration: 2029-12-03

Abstract

A heat exchanger comprises a heat exchange pipeline, wherein a first valve is arranged on the heat exchange pipeline, a first branch is led out from the first end of the first valve and communicated with a first port of the pipeline, a second valve is arranged on the first branch, a second branch is led out from the second end of the valve and communicated with a second port of the pipeline, and a third valve is arranged on the second branch. The oil smoke absorption assembly of the kitchen air conditioning system comprises a first fan and a smoke exhaust channel arranged at the rear end of the first fan, and the heat exchanger is arranged in the smoke exhaust channel. This heat exchanger is through the switching of installing each valve on the heat transfer pipeline, can make the refrigerant walk long stroke and increase its heat transfer area when the heat exchanger uses as the condenser, can walk short stroke and avoid the problem that the heat exchanger performance that the pressure drop loss brought reduces when the heat exchanger uses as the evaporimeter, in addition, installs the heat exchanger in the smoke exhaust passage of inhaling oil smoke subassembly, and the heat of this heat exchanger can be taken away to the oil smoke, cools down the heat exchanger to promote the air conditioner efficiency.

Description

Heat exchanger and kitchen air conditioning system adopting same

Technical Field

The utility model relates to an air conditioning system especially relates to a heat exchanger and adopts the kitchen air conditioning system who has this heat exchanger.

Background

The heat pump type refrigerating system is one of common refrigerating systems, the heat exchanger is an important part of the heat pump type refrigerating system, and the performance of the heat exchanger directly influences the performance of the refrigerating system. When the existing heat exchanger is used as a condenser and an evaporator, the flowing paths of the refrigerant are the same, namely the heat exchange areas are the same, and the performance is not optimized enough. In addition, the kitchen is a main cooking place for people, the mood of a cooker is directly influenced by the quality of the air environment of the kitchen, and particularly in hot summer, the stuffy environment of the kitchen brings great discomfort to the cooker, so that various kitchen air conditioners are invented for cooling the air of the kitchen. The existing kitchen air conditioner is often independent of a range hood of a kitchen, the two are not matched with each other, and for the integrated kitchen air conditioner, because the installation space is limited, heat generated in the working process cannot be timely and effectively taken away, so that the using effect of the air conditioner is influenced. In view of the above, further improvements to existing heat exchangers and galley air conditioning systems are desired.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that will solve is to above-mentioned prior art current situation, provides one kind and can increase heat transfer area and reduce the heat exchanger of pressure drop loss through the switching of valve.

The utility model aims to solve the second technical problem to provide an effectual kitchen air conditioning system of heat transfer to above-mentioned prior art current situation.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: this heat exchanger, including the heat transfer pipeline, the heat transfer pipeline both ends are formed with first port and second port, its characterized in that: the heat exchange pipeline is provided with a first valve, a first branch is led out from a first end of the first valve and communicated with a first port, a second valve is arranged on the first branch, a second branch is led out from a second end of the first valve and communicated with a second port, and a third valve is arranged on the second branch.

Preferably, the first valve, the second valve and the third valve are one-way valves or electromagnetic valves.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: this kitchen air conditioning system includes air conditioning component and oil absorption cigarette subassembly, air conditioning component includes compressor, first heat exchanger and second heat exchanger, be linked together through the refrigerant pipeline between compressor, first heat exchanger and the second heat exchanger install the cross valve on the refrigerant pipeline, oil absorption cigarette subassembly is including first fan and the discharge fume channel who locates first fan rear end, its characterized in that: the first heat exchanger is of the structure of the heat exchanger, and the first heat exchanger is arranged in the smoke exhaust channel.

In order to avoid excessive condensed water remaining in the smoke exhaust channel to influence the smoke exhaust effect, a condensed water collecting device and a spraying or atomizing device are installed in the smoke exhaust channel, the condensed water collecting device is used for collecting the condensed water generated by the first heat exchanger, and the spraying or atomizing device is used for spraying or atomizing the condensed water collected by the condensed water collecting device into the smoke exhaust channel.

In order to facilitate the smooth outflow of the condensed water generated by the first heat exchanger, the first heat exchanger is obliquely arranged relative to the vertical plane.

In order to avoid the oil smoke from polluting the first heat exchanger, an oil smoke purification device is arranged in the smoke exhaust channel and is arranged at the front end of the first heat exchanger.

In order to enable outdoor fresh wind energy to be smoothly supplemented into a kitchen chamber through the second heat exchanger, an inner machine is installed in the kitchen chamber, the second heat exchanger is installed in the inner machine, an air inlet and an air outlet are formed in the inner machine, the air inlet is communicated with the outdoor space, and the air outlet is communicated with the kitchen chamber.

In order to make the outdoor fresh air be supplemented to the interior of the kitchen after purification, a second fan is arranged in the inner machine, a fresh air purification device is arranged between the air inlet of the second fan and the air inlet of the inner machine, and a second heat exchanger is arranged between the air outlet of the second fan and the air outlet of the inner machine.

The compressor can be installed in several positions, preferably integrated on the range hood assembly or on the inner machine.

More preferably, a throttle member is installed on the refrigerant pipe between the first heat exchanger and the second heat exchanger

Compared with the prior art, the utility model has the advantages of: this heat exchanger is through the switching of installing each valve on the heat transfer pipeline, can make the refrigerant walk long stroke and increase its heat transfer area when the heat exchanger uses as the condenser, can walk short stroke and avoid the problem that the heat exchanger performance that the pressure drop loss brought reduces when the heat exchanger uses as the evaporimeter, in addition, installs the heat exchanger in the smoke exhaust passage of inhaling oil smoke subassembly, and the heat of this heat exchanger can be taken away to the oil smoke, cools down the heat exchanger to promote the air conditioner efficiency.

Drawings

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

FIG. 2 is a system diagram of an air conditioning assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a kitchen air conditioning system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an internal unit of an air conditioning assembly according to an embodiment of the present invention.

Detailed Description

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

As shown in fig. 1, the heat exchanger of this embodiment includes a heat exchange pipe 121, a first port 122 and a second port 123 are formed at two ends of the heat exchange pipe 121, a first valve 124 is installed on the heat exchange pipe 121, a first branch 125 is led out from a first end of the first valve 124 and is communicated with the first port 122, a second valve 126 is installed on the first branch 125, a second branch 127 is led out from a second end of the first valve 124 and is communicated with the second port 123, and a third valve 128 is installed on the second branch 127. The first valve 124, the second valve 126, and the third valve 128 are one-way valves or solenoid valves.

When the heat exchanger is used as a condenser, the adverse effect of refrigerant pressure drop on performance is small, and a large heat exchange area needs to be realized as much as possible to improve the performance of the heat exchanger, at the moment, the first valve 124 is opened, the second valve 126 and the third valve 128 are closed, the refrigerant flows from the first port 122 to the second port 123 along the heat exchange pipeline 121, and the refrigerant in the heat exchange pipeline 121 has a long stroke to increase the heat exchange area; when the heat exchanger is used as an evaporator, the second valve 126 and the third valve 128 are opened, the first valve 124 is closed, the heat exchange pipeline 121 is divided into two parallel branches, and the refrigerant flowing into the second port 123 flows to the first port 122 along the two branches respectively, namely, the refrigerant has two short strokes in parallel, so that the problem of pressure loss is solved, the problem that the evaporating temperature is reduced too much due to the pressure drop of the refrigerant is avoided, and the refrigerating performance of a refrigerating system is improved.

As shown in fig. 2, the kitchen air conditioning system of this embodiment includes an air conditioning assembly 1 and an oil fume absorbing assembly 2, the air conditioning assembly 1 specifically includes a compressor 11, a first heat exchanger 12 and a second heat exchanger 13, the first heat exchanger 12 adopts the heat exchanger structure shown in fig. 1, the compressor 11, the first heat exchanger 12 and the second heat exchanger 13 are communicated with each other through a refrigerant pipeline 14, a four-way valve 15 and a throttling component 10 are installed on the refrigerant pipeline 14, switching of an air conditioning operation mode is performed by switching the four-way valve 15, that is, the air conditioning system can operate in a heating mode or a cooling mode, the operation principle of the air conditioning assembly 1 is the same as that of an existing air conditioner, and description thereof is omitted.

As shown in fig. 3 and 4, the range hood assembly 2 has a housing 20, a first fan 21 is installed in the housing 20, and a smoke exhaust passage 22 is provided in the housing 20 and at the rear end of the first fan 21. In this embodiment, the compressor 11 and the first heat exchanger 12 are integrated on the oil fume suction assembly 2, and the first heat exchanger 12 is disposed in the fume exhaust passage 22. In order to prevent the first heat exchanger 12 from being contaminated by the soot, a soot cleaning device 5 is further installed in the smoke exhaust duct 22, and the soot cleaning device 5 is provided at the front end of the first heat exchanger 12. In general, the lampblack purification device 5 can adopt various front-end electrostatic purification devices disclosed in the prior art, and the specific structure will not be described herein.

In this embodiment, the first heat exchanger 12 is disposed to be inclined with respect to the vertical plane, the condensed water collecting device 3 and the spraying or atomizing device 4 are installed in the smoke exhaust channel 22, the condensed water collecting device 3 is used for collecting the condensed water generated by the first heat exchanger 12, and the spraying or atomizing device 4 is used for spraying or atomizing the condensed water collected by the condensed water collecting device 3 into the smoke exhaust channel 22. Specifically, the condensed water collecting device 3 comprises a water pan 31 and a liquid guide pipe 32, the water pan 31 is arranged below the first heat exchanger 12, and the liquid guide pipe 32 is connected between the water pan 31 and the spraying or atomizing device 4.

In this embodiment, an inner unit 6 is installed above the suspended ceiling 7 of the kitchen, the second heat exchanger 13 is installed in the inner unit 6, an air inlet 61 and an air outlet 62 are formed in the inner unit 6, the air inlet 61 is communicated with the outside, and the air outlet 62 is communicated with the inside of the kitchen. A second fan 63 is installed inside the inner unit 6, a fresh air purification device 64 is installed between an air inlet of the second fan 63 and the inner unit air inlet 61, and a second heat exchanger 13 is installed between an air outlet of the second fan 63 and the inner unit air outlet 62.

When the system works in a refrigeration mode, the first heat exchanger 12 is used as a condenser, the second heat exchanger 13 is used as an evaporator, cold air is blown out from the air outlet 62 of the inner machine 6 to the interior of a kitchen, and meanwhile, the heat generated by the first heat exchanger 12 can be taken away by the oil smoke exhausted from the smoke exhaust channel 22, so that the heat exchange effect is improved, and the energy efficiency of the air conditioner is further improved.

When the system works in the heating mode, the first heat exchanger 12 is used as an evaporator, the second heat exchanger 13 is used as a condenser, warm air is blown out from the air outlet 62 of the inner machine 6 to the kitchen, meanwhile, condensed water can be generated on the first heat exchanger 12 positioned in the smoke exhaust channel 22 and flows into the water pan 31, then flows into the spraying or atomizing device 4 through the liquid guide pipe 32, and after the spraying or atomizing device 4 sprays or atomizes, the condensed water is discharged out of the smoke exhaust channel 22 along with oil smoke, so that the heat exchange effect of the first heat exchanger 12 and the smoke exhaust effect of the smoke exhaust channel 22 are prevented from being influenced by the condensed water.

Claims

1. A heat exchanger comprises a heat exchange pipe (121), a first port (122) and a second port (123) are formed at two ends of the heat exchange pipe (121), and the heat exchanger is characterized in that: a first valve (124) is installed on the heat exchange pipeline (121), a first branch (125) is led out from a first end of the first valve (124) and communicated with a first port (122), a second valve (126) is installed on the first branch (125), a second branch (127) is led out from a second end of the first valve (124) and communicated with a second port (123), and a third valve (128) is installed on the second branch (127).

2. The heat exchanger of claim 1, wherein: the first valve (124), the second valve (126) and the third valve (128) are one-way valves or electromagnetic valves.

3. The kitchen air conditioning system provided with the heat exchanger of claim 1 or 2 comprises an air conditioning assembly (1) and an oil fume suction assembly (2), wherein the air conditioning assembly (1) comprises a compressor (11), a first heat exchanger (12) and a second heat exchanger (13), the compressor (11), the first heat exchanger (12) and the second heat exchanger (13) are communicated through a refrigerant pipeline (14), a four-way valve (15) is arranged on the refrigerant pipeline (14), and the oil fume suction assembly (2) comprises a first fan (21) and a fume exhaust channel (22) arranged at the rear end of the first fan, and is characterized in that: the first heat exchanger (12) adopts the structure of the heat exchanger, and the first heat exchanger (12) is arranged in the smoke exhaust channel (22).

4. The galley air conditioning system according to claim 3, wherein: and a condensed water collecting device (3) and a spraying or atomizing device (4) are installed in the smoke exhaust channel (22), the condensed water collecting device (3) is used for collecting the condensed water generated by the first heat exchanger (12), and the spraying or atomizing device (4) is used for spraying or atomizing the condensed water collected by the condensed water collecting device (3) into the smoke exhaust channel (22).

5. The galley air conditioning system according to claim 3, wherein: the first heat exchanger (12) is arranged obliquely with respect to a vertical plane.

6. The galley air conditioning system according to claim 3, wherein: an oil fume purification device (5) is arranged in the smoke exhaust channel (22), and the oil fume purification device (5) is arranged at the front end of the first heat exchanger (12).

7. The galley air conditioning system according to claim 3, wherein: an inner machine (6) is installed in a kitchen room, the second heat exchanger (13) is installed in the inner machine (6), an air inlet (61) and an air outlet (62) are formed in the inner machine (6), the air inlet (61) is communicated with the outside, and the air outlet (62) is communicated with the inside of the kitchen room.

8. The galley air conditioning system according to claim 7, wherein: the air conditioner is characterized in that a second fan (63) is arranged inside the inner unit (6), a fresh air purification device (64) is arranged between an air inlet of the second fan (63) and an air inlet of the inner unit, and a second heat exchanger (13) is arranged between an air outlet of the second fan (63) and an air outlet of the inner unit.

9. The galley air conditioning system according to claim 3, wherein: the compressor (11) is integrated on the oil fume suction assembly (2) or on the inner machine (6).