CN210638171U - Cabinet air conditioner indoor unit and cabinet air conditioner - Google Patents

Abstract

A cabinet air-conditioner indoor unit and a cabinet air-conditioner with the cabinet air-conditioner indoor unit are provided, the cabinet air-conditioner indoor unit comprises a casing, a dehumidification heat exchanger arranged in the casing, a radiation heat exchange piece and a convection heat exchange piece, the dehumidification heat exchanger is used for drying air flowing through the dehumidification heat exchanger when the cabinet air-conditioner indoor unit is refrigerated or dehumidified, the radiation heat exchange piece is in a cylinder shape with two open ends and is arranged in the casing or used for forming at least part of the casing, the inner wall surface of the radiation heat exchange piece absorbs heat or cold, the outer wall surface of the radiation heat exchange piece radiates the heat or the cold outwards, and the convection heat exchange piece is arranged on the inner side of the radiation heat exchange piece and is constructed to generate the heat or the cold, transmit the heat or the cold to the air flowing through the inner side of the radiation heat exchange piece and transmit. The temperature and the humidity are independently controlled, the user experience is improved, and in the mode, part of heat or cold is transmitted in a radiation mode, so that the thermal comfort of a human body is improved.

Description

Cabinet air conditioner indoor unit and cabinet air conditioner

Technical Field

The utility model relates to an air conditioning technology field, in particular to machine and cabinet air conditioner in cabinet air conditioning.

Background

With the development of economy and the continuous improvement of living standard, the demand of users on air conditioners is higher and higher. The cabinet air conditioner can refrigerate or heat a larger indoor space, has beautiful appearance and is favored by the majority of users.

Air conditioner products need to adjust indoor temperature and indoor humidity, most of existing air conditioners cool air to the dew point temperature of the air, then discharge the air to the indoor, and independent control of temperature and humidity cannot be achieved.

Although some cabinet air-conditioning indoor units and cabinet air-conditioners capable of independently controlling temperature and humidity are available, the cabinet air-conditioning indoor units and the cabinet air-conditioners are easy to cause thermal discomfort to human bodies.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been developed to provide an indoor unit of a cabinet air conditioner and a cabinet air conditioner that overcome or at least partially solve the above problems.

An object of the utility model is to provide a can realize temperature and humidity independent control's cabinet air conditioner indoor set, and reduce the human hot uncomfortable that the cabinet air conditioner indoor set brought.

A further object of the present invention is to provide a cabinet air conditioner with the above-mentioned indoor unit of the cabinet air conditioner.

The utility model at first provides a cabinet air conditioner indoor unit, include: a housing; the dehumidifying heat exchanger is arranged in the shell and is used for drying air flowing through the dehumidifying heat exchanger when the cabinet air conditioner indoor unit refrigerates or dehumidifies; the radiation heat exchange piece is in a cylindrical shape with openings at two ends and is arranged in the shell or used for forming at least part of the shell, the inner wall surface of the radiation heat exchange piece absorbs heat or cold, and the outer wall surface of the radiation heat exchange piece radiates the heat or cold outwards; a convection heat exchange member disposed at an inner side of the radiation heat exchange member, configured to generate heat or cold, and to transfer the heat or cold to air flowing through the inner side of the radiation heat exchange member, and to transfer the heat or cold to an inner wall surface of the radiation heat exchange member.

Optionally, an air inlet is formed at the lower part of the side wall of the casing, and an air outlet is formed at the upper part of the side wall of the casing; the dehumidifying heat exchanger and the radiation heat exchange piece are distributed in a section between the air inlet and the air outlet in the machine shell at intervals along the longitudinal direction, and the radiation heat exchange piece is positioned above the dehumidifying heat exchanger.

Optionally, the method further comprises: and the air supply fan is arranged in a section between the dehumidification heat exchanger and the radiation heat exchange piece in the machine shell and/or a section above the radiation heat exchange piece in the machine shell and is used for promoting the formation of air flow entering from the air inlet and exhausting from the air outlet.

Optionally, the convective heat transfer member comprises: a plurality of refrigerant channels extending along the axial direction of the radiation heat exchange piece are arranged in each heat exchange plate; and the plurality of radiating fins are arranged on the plurality of heat exchange plates.

Optionally, each heat exchanger plate has a first edge and a second edge extending in an axial direction of the radiant heat exchanger; the first edge is arranged in the middle of the space inside the radiation heat exchange piece, and the second edge is connected to the inner wall surface of the radiation heat exchange piece; the heat exchange plates are uniformly distributed along the circumferential direction of the radiation heat exchange piece; a plurality of radiating fins which are sequentially arranged along the radial direction of the radiation heat exchange piece are arranged between every two adjacent heat exchange plates; the refrigerant channels in each heat exchange plate are sequentially arranged in the direction from the first edge to the second edge.

Optionally, the method further comprises: the first electromagnetic valve is arranged at the upstream of the dehumidification heat exchanger in the flow direction of the refrigerant during refrigeration or dehumidification of the cabinet air conditioner indoor unit, and is used for controlling the flow of the refrigerant flowing into the dehumidification heat exchanger so as to enable the evaporation temperature of the refrigerant in the dehumidification heat exchanger to be lower than the dew point temperature of indoor air; and the second electromagnetic valve is arranged at the upstream of the counter heat exchange piece in the flow direction of the refrigerant during refrigeration or dehumidification of the cabinet air conditioner indoor unit and controls the flow of the refrigerant flowing into the refrigerant channels, so that the evaporation temperature of the refrigerant in the refrigerant channels is higher than the dew point temperature of indoor air.

Optionally, the convective heat exchange member defines a central channel extending along the axial direction of the radiant heat exchange member, located in the center of the space inside the radiant heat exchange member, the central channel being used for circulating air.

Optionally, the method further comprises: and the water receiving tray is arranged below the dehumidifying heat exchanger and is used for receiving the moisture condensed in the air flowing through the dehumidifying heat exchanger.

Optionally, the dehumidification heat exchanger is a tube and fin heat exchanger or a microchannel heat exchanger.

The utility model also provides a cabinet air conditioner, include: the cabinet air-conditioning indoor unit according to any one of the above.

The utility model provides a machine in cabinet air conditioner and have cabinet air conditioner of this machine in cabinet air conditioner, the machine in cabinet air conditioner includes the casing, set up the dehumidification heat exchanger in the casing, radiation heat transfer spare and convection heat transfer spare, the dehumidification heat exchanger is used for the air of dry flow through dehumidification heat exchanger when the machine in cabinet air conditioner refrigerates or dehumidifies, radiation heat transfer spare is both ends open-ended tube-shape, set up in the casing or be used for forming at least part casing, the internal face absorbed heat or the cold volume of radiation heat transfer spare, the outside wall of radiation heat transfer spare outwards radiates heat or cold volume, the convection heat transfer spare sets up in the inboard of radiation heat transfer spare, be constructed for producing heat or cold volume, and give the inboard air of radiation heat transfer spare with heat or cold volume transmission, and give the internal face of radiation heat transfer spare with heat or cold volume. The dehumidification heat exchanger can be used for the air dehumidification, and radiation heat transfer spare and convection heat transfer spare are used for the accuse temperature, realize the independent control of temperature and humidity, have promoted user experience, and this kind of mode makes partly heat or cold volume with the mode transmission of radiation, has reduced human blowing sense, has increased human thermal comfort.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic structural view of a cabinet type air conditioner indoor unit according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a cabinet type air conditioner indoor unit according to another embodiment of the present invention;

fig. 3 is a schematic structural view of a cabinet air conditioner indoor unit according to still another embodiment of the present invention;

fig. 4 is a cross-sectional view of a radiant heat exchange member and a convection heat exchange member of a cabinet air conditioner indoor unit according to an embodiment of the present invention.

Detailed Description

In the present embodiment, a cabinet air-conditioning indoor unit 10 is first provided, and fig. 1 is a schematic structural diagram of the cabinet air-conditioning indoor unit 10 according to an embodiment of the present invention. The cabinet air-conditioning indoor unit 10 includes a cabinet 100, a dehumidifying heat exchanger 200 disposed in the cabinet 100, a radiation heat exchange member 300, and a convection heat exchange member 400, the dehumidifying heat exchanger 200 is used to dry air passing through the dehumidifying heat exchanger 200 when the cabinet air-conditioning indoor unit 10 is refrigerated or dehumidified, the radiation heat exchange member 300 is in a cylindrical shape with both ends open, e.g., cylindrical or square, is disposed within the housing 100 or is used to form at least a portion of the housing 100, i.e., in some embodiments, the radiant heat exchanger 300 may be disposed within the enclosure 100 independently of the enclosure 100, in other embodiments, a portion of the radiant heat exchanger 300 may form part of the enclosure 100, and another portion of the radiant heat exchanger 300 may be connected to the portion of the radiant heat exchanger 300 forming the enclosure 100, and disposed within the enclosure 100, in other embodiments, the shape of the radiant heat exchanger 300 is adapted to the shape of the enclosure such that all of the radiant heat exchanger 300 forms part of the enclosure 100.

The inner wall surface of the radiant heat exchange member 300 absorbs heat or cold, the outer wall surface of the radiant heat exchange member 300 radiates the heat or cold outward, and the convection heat exchange member 400 is disposed inside the radiant heat exchange member 300, configured to generate the heat or cold, and transfers the heat or cold to air flowing through the inside of the radiant heat exchange member 300 and to the inner wall surface of the radiant heat exchange member 300. The dehumidification heat exchanger 200 can dehumidify the air, and the radiation heat exchange piece 300 and the convection heat exchange piece 400 are used for controlling the temperature, so that the temperature and the humidity can be independently controlled, the user experience is improved, and the mode enables a part of heat or cold to be transmitted in a radiation mode, the blowing feeling of a human body is reduced, and the thermal comfort of the human body is improved.

Compared with the traditional tube fin heat exchanger, the mode that the radiation heat exchange piece 300 and the convection heat exchange piece 400 are combined to control the temperature reduces the local resistance of parts such as elbows and the like, improves the overflowing wind speed, has simpler production flow, improves the production process, simplifies the production flow, and has better heat exchange performance under the condition of the same volume.

The lower part of the side wall of the casing 100 can be formed with an air inlet 110, and the upper part of the side wall of the casing 100 can be formed with an air outlet 120, because the indoor unit 10 of the cabinet air conditioner is used for more refrigeration and less heating, and because the hot air floats upwards, the cold air sinks, the arrangement mode enables the cold air to move downwards from the higher air outlet 120 during refrigeration, the temperature distribution of the indoor space is more uniform, and the user experience is improved.

The dehumidifying heat exchanger 200 and the radiant heat exchanger 300 may be spaced apart from each other in a longitudinal direction in a section of the cabinet 100 between the air inlet 110 and the air outlet 120, and the radiant heat exchanger 300 may be located above the dehumidifying heat exchanger 200. The arrangement mode avoids that the dehumidification heat exchanger 200 carries the condensed water to the indoor space by the dehumidified air in the air dehumidification process, and improves the user experience.

The cabinet air-conditioning indoor unit 10 may further include at least one supply fan 500, and the supply fan 500 may be disposed at a section of the cabinet 100 between the dehumidifying heat exchanger 200 and the radiant heat exchanger 300 and/or a section of the cabinet 100 above the radiant heat exchanger 300, for promoting formation of an air flow entering from the inlet 110 and exiting from the outlet 120. Air supply fan 500 can accelerate the flow of air for indoor temperature reaches the temperature of user's demand sooner, promotes user experience.

The supply fan 500 may be one, and as shown in fig. 1, the supply fan 500 is disposed in a section of the cabinet 100 above the radiant heat exchanger 300. Fig. 2 is a schematic structural view of a cabinet type air conditioner indoor unit 10 according to another embodiment of the present invention, and as shown in fig. 2, a blower fan 500 is disposed in a section between a dehumidifying heat exchanger 200 and a radiant heat exchanger 300 in a cabinet 100.

Fig. 3 is a schematic structural view of a cabinet air conditioner indoor unit 10 according to another embodiment of the present invention, and as shown in fig. 3, there may be two air supply fans 500, one air supply fan 500 is disposed in a section of the cabinet 100 between the dehumidifying heat exchanger 200 and the radiant heat exchanger 300, and the other air supply fan 500 is disposed in a section of the cabinet 100 above the radiant heat exchanger 300. In other embodiments, two supply fans 500 may be provided in a section of the cabinet 100 between the dehumidifying heat exchanger 200 and the radiant heat exchanger 300, or three supply fans 500 may be provided in a section of the cabinet 100 above the radiant heat exchanger 300, and so on.

Fig. 4 is a sectional view (the section is perpendicular to the axial direction of the radiant heat exchange member 300) of the radiant heat exchange member 300 and the convection heat exchange member 400 of the cabinet air conditioning indoor unit 10 according to one embodiment of the present invention. The convection heat exchange member 400 may include a plurality of heat exchange plates 410 and a plurality of heat dissipation fins 420, each heat exchange plate 410 is provided with a plurality of refrigerant channels 411 extending along an axial direction of the radiation heat exchange member 300, each refrigerant pipeline further has a main inlet pipe and a main outlet pipe, one end of each refrigerant channel 411 is communicated with the main inlet pipe (for a refrigeration or dehumidification process, a refrigerant enters the refrigerant channel 411 from the main inlet pipe, and when heating, the refrigerant is discharged from the main inlet pipe through the main inlet pipe, and the other end of each refrigerant channel 411 is communicated with the main outlet pipe (for a refrigeration or dehumidification process, a refrigerant is discharged from the main outlet pipe, and when heating, a refrigerant enters the refrigerant channels 411 through the main outlet pipe, so that the plurality of refrigerant channels 411 are connected in parallel. A plurality of heat radiating fins 420 are installed to the plurality of heat exchange plates 410. The heat exchange plate 410 and the heat dissipation fins 420 are arranged to be multiple, so that the heat exchange efficiency can be improved, and the user experience can be improved.

Each refrigerant channel 411 is preferably a microchannel tube. The heat exchange plate 410 and the radiant heat exchange member 300 may be made of copper or aluminum.

In some embodiments, a plurality of heat dissipation fins 420 are sequentially disposed between every two adjacent heat exchange plates 410 along a radial direction of the radiant heat exchange member 300, and each heat dissipation fin 420 is provided with one or more heat dissipation holes to form a hollow structure. The interval between two adjacent heat dissipation fins 420 among the plurality of heat dissipation fins 420 between every two adjacent heat exchange plates 410 has a plurality of distance values in the radial direction of the radiant heat exchange member 300, so that the arrangement density of the plurality of heat dissipation fins 420 is not uniform. The plurality of distance values become smaller in order, i.e., the heat radiating fins 420 are arranged first to be sparse and then to be dense, as in the radial direction of the radiant heat exchange member 300.

Specifically, the plurality of heat dissipating fins 420 between every two adjacent heat exchanging plates 410 are arranged into a plurality of groups, each group of heat dissipating fins 420 has at least two heat dissipating fins 420, the distance between every two adjacent heat dissipating fins 420 in each group of heat dissipating fins 420 is equal to the above distance value, so that the size of the interval between the heat dissipating fins 420 between every two adjacent heat exchanging plates 410 has a plurality of distance values, and two adjacent groups can share one heat dissipating fin 420, that is, one common heat dissipating fin 420 is used for grouping.

Each of the heat exchange plates 410 may have a first edge 412 and a second edge 413 extending in an axial direction of the radiant heat exchanger 300, the first edge 412 being disposed at a middle portion of the space inside the radiant heat exchanger 300, and the second edge 413 being connected to an inner wall surface of the radiant heat exchanger 300. The plurality of heat exchange plates 410 are uniformly distributed along the circumferential direction of the radiant heat exchange member 300, a plurality of heat dissipation fins 420 sequentially arranged along the radial direction of the radiant heat exchange member 300 are arranged between every two adjacent heat exchange plates 410, and a plurality of refrigerant channels 411 in each heat exchange plate 410 are sequentially arranged from the first edge 412 to the second edge 413. This kind of setting mode makes the distribution when refrigerant flows to refrigerant passageway 411 comparatively even to promote the effect of heat transfer, promoted user experience.

In each heat exchange plate 410, a plurality of refrigerant channels 411 are sequentially arranged from a first edge 412 to a second edge 413, and the space between two adjacent refrigerant channels 411 has one or more spacing values. The plurality of pitch values become smaller in turn. The multiple refrigerant channels 411 on each heat exchange plate 410 are arranged into multiple groups, each group of refrigerant channels 411 has at least two refrigerant channels 411, the distance between every two adjacent refrigerant channels 411 in each group of refrigerant channels 411 is equal to one of the above-mentioned spacing values, so that the spacing between the refrigerant channels 411 on each heat exchange plate 410 has multiple spacing values, and two adjacent groups can share one refrigerant channel 411, that is, one shared refrigerant channel 411 is used for grouping.

The ratio of the number of the refrigerant channels 411 to the number of the heat dissipating fins 420 from the first edge 412 to the second edge 413 is 4/5 to 10/1, preferably 1/1 to 10/1. Each of the heat radiating fins 420 has an arc shape that is arched toward the outside of the radiant heat exchange member 300. The cross-sectional profile of each refrigerant channel 411 is rectangular or circular or other regular or irregular shape. The pipe diameter of each refrigerant channel 411 is 0.1-10 mm; the number of the refrigerant channels 411 on each heat exchange plate 410 is 10-50. The number of the heat exchange plates 410 is 4 to 50. In some embodiments, the distance between two adjacent refrigerant channels 411 is one, that is, the refrigerant channels 411 are arranged at equal intervals, from the first edge 412 to the second edge 413. The distance between two adjacent heat dissipation fins 420 among the plurality of heat dissipation fins 420 between every two adjacent heat exchange plates 410 is one, that is, the plurality of heat dissipation fins 420 between every two adjacent heat exchange plates 410 are arranged at equal intervals.

Each of the heat radiating fins 420 may be a flat plate-shaped heat radiating fin 420. Both sides of each heat exchange plate 410 are provided with the above-mentioned flat plate-shaped heat dissipation fins 420 arranged in sequence from the corresponding first edge 412 toward the second edge 413. Each of the heat dissipation fins 420 is perpendicular to the corresponding heat exchange plate 410. In other alternative embodiments, each heat dissipating fin 420 may be a pin-shaped heat dissipating fin 420, and a plurality of pin-shaped heat dissipating fins 420 perpendicular to the heat exchanging plate 410 are disposed on both sides of each heat exchanging plate 410. In some alternative embodiments, the heat exchange plates 410 may also be provided with heat dissipation fins 420 having other shapes, such as tree-shaped, irregular-shaped, etc., on both sides of each heat exchange plate 410, and further, the heat exchange plates 410 are preferably integrally formed with the heat dissipation fins 420.

In some embodiments, the convection heat transfer element 400 is formed using an extrusion process, or the entirety of the convection heat transfer element 400 and the radiant heat transfer element 300 is formed using an extrusion process, for ease of manufacturing.

The cabinet air-conditioning indoor unit 10 may further include a first electromagnetic valve and a second electromagnetic valve (not shown in the figures), the first electromagnetic valve is disposed at an upstream of the dehumidifying heat exchanger 200 in a flow direction of the refrigerant during cooling or dehumidifying of the cabinet air-conditioning indoor unit 10, and controls a flow rate of the refrigerant flowing into the dehumidifying heat exchanger 200, so that an evaporation temperature of the refrigerant in the dehumidifying heat exchanger 200 is lower than a dew point temperature of the indoor air. The second electromagnetic valve is disposed at the upstream of the convection heat exchanger 400 in the flow direction of the refrigerant during the cooling or dehumidifying of the cabinet air conditioner indoor unit 10, and controls the flow rate of the refrigerant flowing into the plurality of refrigerant channels 411, so that the evaporation temperature of the refrigerant in the plurality of refrigerant channels 411 is higher than the dew point temperature of the indoor air.

The cabinet air-conditioning indoor unit 10 may include a temperature sensor for detecting an indoor temperature, a humidity sensor for detecting an indoor humidity, and a calculating unit for calculating an indoor air dew point temperature according to the indoor temperature and the indoor humidity, which is well known by those skilled in the art and is easy to implement, and thus is not described herein.

The first solenoid valve and the second solenoid valve can ensure the functions of the dehumidifying heat exchanger 200, the radiation heat exchange piece 300 and the convection heat exchange piece 400, and the solenoid valves have the advantages of simple system, low price, quick action, small power and light appearance.

The convection heat exchange member 400 may further define a central passage 430 extending in an axial direction of the radiant heat exchange member 300 at a center of a space inside the radiant heat exchange member 300, and the central passage 430 is used for circulating air to improve smoothness of air flow.

The cabinet air-conditioning indoor unit 10 may further include a water pan 600, the water pan 600 is disposed below the dehumidifying heat exchanger 200 and is configured to receive moisture condensed in air flowing through the dehumidifying heat exchanger 200, the water pan 600 may collect water, so as to improve user experience, and the water pan 600 may be connected to a drain pipe to drain water in the water pan 600 to the outside.

The dehumidifying heat exchanger 200 may be a fin-tube heat exchanger or a microchannel heat exchanger, and the fin-tube heat exchanger is a heat exchanger composed of heat exchange tubes and fins. The micro-channel heat exchanger is a heat exchanger with the channel equivalent diameter of 10-1000 mu m, tens of fine flow channels are arranged in a flat tube of the heat exchanger, two ends of the flat tube are connected with a circular header, and the header is internally provided with a partition board to divide the flow channels of the heat exchanger into a plurality of flows. Since the tube and fin heat exchanger and the microchannel heat exchanger are well known and readily available to those skilled in the art, they will not be described herein. The heat exchangers of the types have low price and good dehumidification effect.

The embodiment also provides a cabinet air conditioner, which comprises any cabinet air conditioner indoor unit 10. As is well known to those skilled in the art, the packaged air conditioner may further include an outdoor unit, a connecting pipeline, and the like, wherein the outdoor unit is provided with a compressor, a throttling device, an outdoor heat exchanger, and the like.

When the cabinet air conditioner is in refrigeration or dehumidification operation, a refrigerant is compressed into high-temperature and high-pressure refrigerant vapor in the compressor, the refrigerant vapor enters the outdoor heat exchanger, the refrigerant vapor is condensed and releases heat in the outdoor heat exchanger to form high-temperature and high-pressure liquid, the liquid passes through the throttling device, then is decompressed to form low-temperature and low-pressure gas-liquid mixture, the low-temperature and low-pressure gas-liquid mixture respectively enters the dehumidification heat exchanger 200 and the main inlet pipe through the refrigerant pipeline and enters the plurality of refrigerant channels 411 through the main inlet pipe, the refrigerant absorbs heat and evaporates in the dehumidification heat exchanger 200 and then enters the compressor again through the refrigerant pipeline, so as to complete refrigeration or dehumidification cycle, namely, the dehumidification heat exchanger 200 and the convection heat exchange piece 400 can be arranged in parallel, in other embodiments, the dehumidification heat exchanger 200 and the convection heat exchange piece 400 can also be arranged in series, the specific setting mode can be selected according to the climate conditions of the using area of the cabinet air conditioner and the like.

In the operation of the cabinet air conditioner in this embodiment, the convection heat exchange member 400 generates heat or cold to exchange heat with the air inside the radiation heat exchange member 300 and exchange heat with the inner wall surface of the radiation heat exchange member 300, the heat-exchanged air can flow out of the radiation heat exchange member 300 to be used for indoor or human body warm keeping or cooling, and the outer wall surface of the radiation heat exchange member 300 can radiate heat or cold outwards to be used for indoor or human body warm keeping or cooling. The radiation heat exchange member 300 bears a part of heating or cooling load, and can reduce the blowing feeling of the human body and increase the thermal comfort of the human body on the premise of ensuring the heating or cooling capacity.

The cabinet air conditioner of this embodiment may further include a reversing valve (not shown in the drawings) to enable the cabinet air conditioner to have a heating function, since the heating principle of the cabinet air conditioner is easily implemented by those skilled in the art, when the cabinet air conditioner heats in winter, the radiation heat exchange energy can significantly increase the thermal comfort of the human body, and when the cabinet air conditioner heats, the refrigerant returns to the refrigerant channel 411 from the main outlet pipe and is discharged from the main inlet pipe, and when the cabinet air conditioner heats, the dehumidifying heat exchanger 200, the radiation heat exchange member 300, and the convection heat exchange member 400 may all be used for heating.

The embodiment provides a cabinet air-conditioning indoor unit 10 and a cabinet air-conditioner having the same 10, the cabinet air-conditioning indoor unit 10 includes a casing 100, a dehumidifying heat exchanger 200 disposed in the casing 100, a radiation heat exchange member 300 and a convection heat exchange member 400, the dehumidifying heat exchanger 200 is used for drying air flowing through the dehumidifying heat exchanger 200 when the cabinet air-conditioning indoor unit 10 is refrigerated or dehumidified, the radiation heat exchange member 300 is in a cylindrical shape with two open ends and disposed in the casing 100 or used for forming at least part of the casing 100, the inner wall surface of the radiation heat exchange member 300 absorbs heat or cold, the outer wall surface of the radiation heat exchange member 300 radiates heat or cold outwards, the convection heat exchange member 400 is disposed inside the radiant heat exchange member 300, configured to generate heat or cold, and transfers heat or cold to the air flowing through the inside of the radiant heat exchange member 300 and to the inner wall surface of the radiant heat exchange member 300. The dehumidification heat exchanger 200 can dehumidify the air, and the radiation heat exchange piece 300 and the convection heat exchange piece 400 are used for controlling the temperature, so that the temperature and the humidity can be independently controlled, the user experience is improved, and the mode enables a part of heat or cold to be transmitted in a radiation mode, the blowing feeling of a human body is reduced, and the thermal comfort of the human body is improved.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A cabinet air-conditioning indoor unit, comprising:

a housing;

the dehumidifying heat exchanger is arranged in the shell and is used for drying air flowing through the dehumidifying heat exchanger when the cabinet air conditioner indoor unit refrigerates or dehumidifies;

the radiation heat exchange piece is in a cylindrical shape with openings at two ends and is arranged in the shell or used for forming at least part of the shell, the inner wall surface of the radiation heat exchange piece absorbs heat or cold, and the outer wall surface of the radiation heat exchange piece radiates the heat or cold outwards;

a convection heat exchange member disposed at an inner side of the radiation heat exchange member, configured to generate heat or cold, and to transfer the heat or cold to air flowing through the inner side of the radiation heat exchange member, and to transfer the heat or cold to an inner wall surface of the radiation heat exchange member.

2. The cabinet air-conditioning indoor unit of claim 1,

an air inlet is formed at the lower part of the side wall of the shell, and an air outlet is formed at the upper part of the side wall of the shell;

the dehumidifying heat exchanger and the radiation heat exchange piece are distributed in a section between the air inlet and the air outlet in the machine shell at intervals along the longitudinal direction, and the radiation heat exchange piece is positioned above the dehumidifying heat exchanger.

3. The cabinet air conditioner indoor unit according to claim 2, further comprising:

and the air supply fan is arranged in a section between the dehumidification heat exchanger and the radiation heat exchange piece in the machine shell and/or a section above the radiation heat exchange piece in the machine shell and is used for promoting the formation of air flow entering from the air inlet and exhausting from the air outlet.

4. The cabinet air-conditioner indoor unit according to claim 1, wherein the convection heat exchange member comprises:

a plurality of refrigerant channels extending along the axial direction of the radiation heat exchange piece are arranged in each heat exchange plate;

and the plurality of radiating fins are arranged on the plurality of heat exchange plates.

5. The cabinet air-conditioning indoor unit according to claim 4, wherein,

each heat exchanger plate has a first edge and a second edge extending in an axial direction of the radiant heat exchanger; the first edge is arranged in the middle of the space inside the radiation heat exchange piece, and the second edge is connected to the inner wall surface of the radiation heat exchange piece;

the heat exchange plates are uniformly distributed along the circumferential direction of the radiation heat exchange piece;

a plurality of radiating fins which are sequentially arranged along the radial direction of the radiation heat exchange piece are arranged between every two adjacent heat exchange plates;

the refrigerant channels in each heat exchange plate are sequentially arranged in the direction from the first edge to the second edge.

6. The cabinet air-conditioning indoor unit of claim 4, further comprising:

the first electromagnetic valve is arranged at the upstream of the dehumidification heat exchanger in the flow direction of the refrigerant during refrigeration or dehumidification of the cabinet air conditioner indoor unit, and is used for controlling the flow of the refrigerant flowing into the dehumidification heat exchanger so as to enable the evaporation temperature of the refrigerant in the dehumidification heat exchanger to be lower than the dew point temperature of indoor air;

and the second electromagnetic valve is arranged at the upstream of the counter heat exchange piece in the flow direction of the refrigerant during refrigeration or dehumidification of the cabinet air conditioner indoor unit and controls the flow of the refrigerant flowing into the refrigerant channels, so that the evaporation temperature of the refrigerant in the refrigerant channels is higher than the dew point temperature of indoor air.

7. The cabinet air-conditioning indoor unit of claim 1,

the convection heat exchange member defines a central channel extending in an axial direction of the radiant heat exchange member, and is located in the center of a space inside the radiant heat exchange member, and the central channel is used for circulating air.

8. The cabinet air-conditioning indoor unit of claim 1, further comprising:

and the water receiving tray is arranged below the dehumidifying heat exchanger and is used for receiving the moisture condensed in the air flowing through the dehumidifying heat exchanger.

9. The cabinet air-conditioning indoor unit of claim 1,

the dehumidification heat exchanger is a tube fin heat exchanger or a micro-channel heat exchanger.

10. A cabinet air conditioner, comprising:

the cabinet air-conditioning indoor unit according to any one of claims 1 to 9.

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