CN219913295U - Heat radiation air conditioning unit - Google Patents

Heat radiation air conditioning unit Download PDF

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Publication number
CN219913295U
CN219913295U CN202320944282.5U CN202320944282U CN219913295U CN 219913295 U CN219913295 U CN 219913295U CN 202320944282 U CN202320944282 U CN 202320944282U CN 219913295 U CN219913295 U CN 219913295U
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China
Prior art keywords
heat exchange
pipe
chamber
collecting pipe
heat exchanger
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CN202320944282.5U
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Chinese (zh)
Inventor
张明月
张士兵
潘京大
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Hisense Air Conditioning Co Ltd
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Hisense Air Conditioning Co Ltd
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Priority to CN202320944282.5U priority Critical patent/CN219913295U/en
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Abstract

The utility model provides a heat radiation air conditioning unit, comprising: the outdoor heat pump unit is arranged outdoors; indoor heat exchanger sets up in indoor, and indoor heat exchanger includes: the collecting pipes are respectively arranged at two opposite ends of the indoor heat exchanger, and at least two collecting pipes are arranged at one end of the indoor heat exchanger; the baffle is arranged in the collecting pipe and partitions the interior of the collecting pipe into a plurality of chambers; the heat exchange pipes are provided with a plurality of heat exchange pipes, two ends of each heat exchange pipe are respectively communicated with the collecting pipes which are oppositely arranged to form a refrigerant passage, one end of each heat exchange pipe is at least communicated with one of the collecting pipes, and the refrigerant flows in different chambers of the opposite collecting pipes through the refrigerant passages; at least two refrigerant passages are arranged on the indoor heat exchanger, at least part of heat exchange tubes of one refrigerant passage are arranged adjacent to at least part of heat exchange tubes of the other refrigerant passage, and the surface of the indoor heat exchanger is subjected to uniform temperature through phase heat exchange between the adjacent refrigerant passages.

Description

Heat radiation air conditioning unit
Technical Field
The utility model relates to the technical field of air conditioning equipment, in particular to a heat radiation air conditioning unit.
Background
In the prior art, an indoor heat exchanger is paved on the ground or a ceiling and is paved in a closed mode by using building materials such as cement, gypsum and the like. The outdoor heat pump unit is arranged outdoors, and when the air conditioner unit operates, the heat pump unit heats or refrigerates through the capillary tube. The indoor heat exchanger is utilized to transfer heat to or absorb heat from the building material in contact with the indoor heat exchanger, and then the air in the room space is subjected to temperature regulation in a cold-heat radiation heat transfer mode through the hot surface or the cold surface of the building material. The heat radiation air conditioning unit can reduce or raise the temperature of the building surface to form a cold or heat radiation surface. The radiation surface can perform radiation heat exchange on the enclosure structures such as human bodies, furniture, walls and the like to supply cold or heat.
Because the indoor heat exchanger of the heat radiation air conditioning unit is closer to a person, the surface temperature of the indoor heat exchanger is generally 17-32 ℃ in order to prevent discomfort caused by direct contact, and the limited radiation surface has a temperature difference with the enclosure structure, so that the indoor heat exchanger often needs a large surface area. However, the large surface area of the indoor heat exchanger can cause the problems of large temperature difference, uneven temperature, influence on heat exchange efficiency and the like on the surface of the indoor heat exchanger.
Disclosure of Invention
The present utility model solves at least one of the technical problems in the related art to a certain extent.
To this end, the present utility model provides a heat radiation air conditioning unit comprising:
the outdoor heat pump unit is arranged outdoors;
an indoor heat exchanger disposed indoors, the indoor heat exchanger comprising:
the collecting pipes are respectively arranged at two opposite ends of the indoor heat exchanger, and at least two collecting pipes are arranged at one end of the indoor heat exchanger;
the baffle is arranged in the collecting pipe and partitions the interior of the collecting pipe into a plurality of chambers;
the heat exchange pipes are provided with a plurality of heat exchange pipes, two ends of each heat exchange pipe are respectively communicated with the corresponding collecting pipes to form a refrigerant passage, one end of each heat exchange pipe is at least communicated with one collecting pipe, and the refrigerant flows in different chambers of the corresponding collecting pipes through the refrigerant passages;
at least two refrigerant passages are arranged on the indoor heat exchanger, and at least part of heat exchange tubes of one refrigerant passage are arranged adjacent to at least part of heat exchange tubes of the other refrigerant passage.
According to the utility model, at least two refrigerant passages are arranged on the same indoor heat exchanger, so that the refrigerant is split into different refrigerant passages when flowing through the indoor heat exchanger. Because there is the difference in temperature everywhere from the entry of refrigerant passageway to the indoor heat exchanger of export of refrigerant passageway, at least some heat exchange tubes in the different refrigerant passageways are adjacent to the adjacent heat exchange tube in the different refrigerant passageways carries out the heat exchange, make the difference in temperature of adjacent heat exchange tube's surface temperature less, the temperature is even, and then make the difference in temperature of the whole surface of heat exchanger reduce, the temperature is even, reduce the formation of condensation, improve indoor heat exchanger's heat exchange efficiency.
In some embodiments of the present utility model, the heat exchange tube includes a first heat exchange tube and a second heat exchange tube, and the indoor heat exchanger further includes:
a first inlet pipe in communication with at least one of said headers;
a first outlet pipe in communication with at least one of the headers;
the first refrigerant passage comprises a plurality of first heat exchange tubes, and two ends of each first heat exchange tube are respectively communicated with the header pipes which are oppositely arranged;
a second inlet pipe in communication with at least one of said headers;
a second outlet pipe in communication with at least one of the headers;
the second refrigerant passage comprises a plurality of second heat exchange tubes, and two ends of each second heat exchange tube are respectively communicated with the header pipes which are oppositely arranged;
at least part of the first heat exchange tubes are arranged adjacent to at least part of the second heat exchange tubes.
In some embodiments of the utility model, the heat exchange tube further comprises a third heat exchange tube, and the indoor heat exchanger further comprises:
a third inlet pipe in communication with at least one of said headers;
a third outlet pipe in communication with at least one of the headers;
the third refrigerant passage comprises a plurality of third heat exchange tubes, and two ends of each third heat exchange tube are respectively communicated with the collecting pipes which are oppositely arranged;
at least part of the third heat exchange tubes are arranged adjacent to at least part of the first heat exchange tubes and/or at least part of the second heat exchange tubes.
In some embodiments of the utility model, the header includes a first header, a second header, a third header, and a fourth header;
the first collecting pipe and the second collecting pipe are arranged at one end of the indoor heat exchanger, and the third collecting pipe and the fourth collecting pipe are arranged at the other end of the indoor heat exchanger.
In some embodiments of the utility model, at least one of the first inlet pipe, the first outlet pipe, the second inlet pipe, and the second outlet pipe is in communication with a chamber within the first header and the second header;
the first inlet pipe, the first outlet pipe, the second inlet pipe and the second outlet pipe are respectively communicated with different chambers.
In some embodiments of the present utility model, the first inlet pipe, the chamber of one of the first headers, the chamber of one of the second headers, a part of the first heat exchange pipes, the chamber of one of the third headers, and the chamber of one of the fourth headers are sequentially communicated, and a part of the chambers in the headers at both ends of the indoor heat exchanger are sequentially communicated through a plurality of the first heat exchange pipes.
In some embodiments of the present utility model, a first chamber is disposed in the first collecting pipe, a second chamber is disposed in the second collecting pipe, a third chamber is disposed in the third collecting pipe, and a fourth chamber is disposed in the fourth collecting pipe;
the first chamber is communicated with the third chamber through the second heat exchange tube; the tail end of the first chamber is communicated with the head end of the third chamber, and the tail end of the third chamber is communicated with the head end of the first chamber;
the second chamber is communicated with the fourth chamber through the first heat exchange tube; the tail end of the second chamber is communicated with the head end of the fourth chamber, and the tail end of the fourth chamber is communicated with the head end of the second chamber.
In some embodiments of the utility model, the first header is disposed outside the second header and the fourth header is disposed outside the third header.
In some embodiments of the utility model, the first inlet pipe and the first outlet pipe are respectively communicated with different chambers of the first collecting pipe;
the second inlet pipe and the second outlet pipe are respectively communicated with different chambers of the second collecting pipe;
the first refrigerant passage includes the first header, the first heat exchange tube, and the third header;
the second refrigerant passage includes the second header, the second heat exchange tube, and the fourth header;
one path of refrigerant flows into the first collecting pipe through the first inlet pipe, flows back and forth through different chambers of the first collecting pipe and the third collecting pipe through a plurality of first heat exchange pipes and flows out through the first outlet pipe;
the other path of refrigerant flows into the second collecting pipe through the second inlet pipe, flows back and forth through different chambers of the second collecting pipe and the fourth collecting pipe through a plurality of second heat exchange pipes and flows out through the second outlet pipe.
In some embodiments of the utility model, the first heat exchange tube and the second heat exchange tube are spaced apart from each other.
In some embodiments of the utility model, the heat exchange tube comprises a plurality of heat exchange tubes, the number of heat exchange tubes increasing progressively along the inlet of the refrigerant passage towards the outlet of the refrigerant passage.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic view illustrating a structure of an indoor heat exchanger according to an embodiment of the present utility model;
FIG. 2 is a side view of an indoor heat exchanger according to one embodiment of the present utility model;
fig. 3 is a schematic view illustrating a structure of an indoor heat exchanger according to another embodiment of the present utility model;
fig. 4 is a schematic view of a structure in which a first header and a second header of an indoor heat exchanger are open-circuited according to an embodiment of the present utility model;
fig. 5 is a schematic diagram ii of a structure in which a first header and a second header of an indoor heat exchanger are open-circuited according to an embodiment of the present utility model;
fig. 6 is a side view of a connection of a first header and a second header aperture of an indoor heat exchanger according to one embodiment of the present utility model;
fig. 7 is a schematic view showing an internal structure of an opening connection between a first header and a second header of an indoor heat exchanger according to an embodiment of the present utility model;
fig. 8 is a schematic diagram of an internal structure of a connection between a first header and a second header of an indoor heat exchanger according to an embodiment of the present utility model;
fig. 9 is a schematic view illustrating a structure in which a bending part is not provided to an indoor heat exchanger according to an embodiment of the present utility model;
fig. 10 is a schematic view of a structure in which a bending part is provided to an indoor heat exchanger according to an embodiment of the present utility model;
fig. 11 is a schematic view of a structure in which a bending part is provided to an indoor heat exchanger according to another embodiment of the present utility model;
fig. 12 is a schematic view showing a structure of an indoor heat exchanger provided with a connection pipe according to another embodiment of the present utility model;
fig. 13 is a second schematic structural view of an indoor heat exchanger provided with a bending part according to another embodiment of the present utility model;
FIG. 14 is an enlarged schematic view of portion A of FIG. 13;
fig. 15 is a schematic view of a third structure of an indoor heat exchanger provided with a bending part according to another embodiment of the present utility model;
fig. 16 is a schematic view showing a structure of an indoor heat exchanger provided with a bending part according to another embodiment of the present utility model;
FIG. 17 is an enlarged schematic view of portion B of FIG. 16;
fig. 18 is a front view of an indoor heat exchanger provided with a bent portion according to another embodiment of the present utility model;
FIG. 19 is an enlarged schematic view of portion C of FIG. 18;
fig. 20 is a schematic view illustrating a position of an indoor heat exchanger provided with a bent portion and a baffle according to another embodiment of the present utility model;
fig. 21 is a side view of an indoor heat exchanger provided with a bent portion according to another embodiment of the present utility model.
In the above figures, the indoor heat exchanger 1; a first inlet pipe 11; a second inlet pipe 12; a first outlet pipe 13; a second outlet pipe 14; a first header 21; a first chamber 211; a first inlet chamber 2111; a first outlet chamber 2112; a second inlet chamber 2113; a second outlet chamber 2114; a second header 22; a second chamber 221; a first inlet side chamber 2211; a first outlet side chamber 2212; a second inlet side chamber 2213; a second outlet side chamber 2214; a third header 23; a third chamber 231; a third header-chamber 2311; a third header second chamber 2312; third header three chamber 2313; a fourth header 24; a fourth chamber 241; a fourth manifold-chamber 2411; a heat exchange tube 3; a first heat exchange tube 31; a second heat exchange tube 32; a baffle 4; a connecting pipe 5; a bending part 6.
Detailed Description
The present utility model will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
Hereinafter, embodiments of the present utility model will be described in detail with reference to the accompanying drawings.
The conventional heat radiation air conditioning unit usually adopts a form that a radiation indoor heat exchanger is paved on the ground or a ceiling in the early period of decoration and is closed by cement, gypsum and other building materials.
When the air conditioner is in operation, the indoor heat exchanger is used for heating or refrigerating. The indoor heat exchanger is used for heating to transfer heat into the building material contacted with the indoor heat exchanger or absorbing heat from the building material contacted with the indoor heat exchanger when the indoor heat exchanger is used for refrigerating, and then the air in the room space is subjected to temperature regulation in a cold-heat radiation heat transfer mode through the hot surface or the cold surface of the building material.
In the present utility model, the heat radiation air conditioner unit includes an outdoor heat pump unit and an indoor heat exchanger. The indoor heat exchanger is arranged indoors, and the indoor heat exchanger can be a part of the modularized assembled radiation plate.
The heat radiation air conditioning unit performs a refrigerating cycle of an air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies a refrigerant to the air that has been conditioned and heat exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve throttles the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser to a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant throttled in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator may achieve a cooling effect by exchanging heat with a material to be cooled using latent heat of evaporation of a refrigerant. The heat radiation air conditioning unit can adjust the temperature of the indoor space throughout the cycle.
The heat radiation air conditioning unit comprises a heat radiation plate and an outdoor heat pump unit, wherein the outdoor heat pump unit refers to a part of refrigeration cycle comprising a compressor and a condenser, an indoor heat exchanger is arranged in the heat radiation plate, and the indoor heat exchanger is arranged indoors.
The indoor heat exchanger and the outdoor heat exchanger function as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the heat radiation air conditioner unit is used as a heater of a heating mode, and when the indoor heat exchanger is used as an evaporator, the heat radiation air conditioner unit is used as a cooler of a cooling mode.
Referring to fig. 1 to 21, an embodiment of the present utility model provides a heat radiation air conditioner unit including an outdoor heat pump unit and a heat radiation plate.
The outdoor heat pump unit is disposed outdoors, and drives the refrigerant to circulate in the outdoor heat pump unit and the heat radiation plate, thereby achieving a heating or cooling effect. The heat radiating plate is arranged in the room, and the heat radiating plate is a modularized assembled radiating plate.
In this embodiment, the heat radiation plate includes: an indoor heat exchanger 1 and a radiation structural plate.
The indoor heat exchanger 1 is arranged indoors, the indoor heat exchanger 1 is connected with the outdoor heat pump unit, the refrigerant circulates in the indoor heat exchanger 1, and the refrigerant circulates between the outdoor heat pump unit and the indoor heat exchanger 1, so that the refrigerating or heating effect is realized. The refrigerant in the heat radiation air conditioning unit can be water system refrigerant or fluorine system refrigerant.
Referring to fig. 1 to 8, the indoor heat exchanger 1 includes: header pipe, baffle 4 and heat exchange tube 3.
The two opposite ends of the indoor heat exchanger 1 are respectively provided with collecting pipes, and one end of the indoor heat exchanger 1 is at least provided with two collecting pipes. The material of the collecting pipe can be, but is not limited to, pressure-resistant material such as metal. Header structures include, but are not limited to, round tube, square tube, etc.
A plurality of baffles 4 are arranged in any collecting pipe, and the baffles 4 are used for partitioning the inside of the collecting pipe into a plurality of chambers so as to prevent the mutual interference of the refrigerant circulation paths in different chambers.
The indoor heat exchanger 1 is provided with a plurality of heat exchange tubes 3, and two ends of the heat exchange tubes 3 are respectively communicated with oppositely arranged collecting pipes so as to form a refrigerant passage. One end of the heat exchange tube 3 is communicated with at least one of the headers, and the refrigerant flows in the different chambers of the opposite header through the refrigerant passage.
At least two refrigerant passages are provided in the indoor heat exchanger 1, and at least part of the heat exchange tubes 3 of one refrigerant passage are disposed adjacent to at least part of the heat exchange tubes 3 of the other refrigerant passage.
In the present embodiment, by providing at least two refrigerant paths on the same indoor heat exchanger 1, the refrigerant is branched into different refrigerant paths while flowing through the indoor heat exchanger 1. Because there is the difference in temperature everywhere from the entry of refrigerant passageway to the surface of the indoor heat exchanger 1 of export of refrigerant passageway, at least some heat exchange tubes 3 in different refrigerant passageways are adjacent to the adjacent heat exchange tube 3 in different refrigerant passageways carries out the heat exchange, make the difference in temperature of adjacent heat exchange tube 3's surface temperature less, the temperature is even, and then make the difference in temperature of the whole surface of heat exchanger reduce, the temperature is even, reduce the formation of condensation, improve indoor heat exchanger 1's heat exchange efficiency.
With continued reference to fig. 1-12, in this embodiment, the refrigerant passages include a first refrigerant passage and a second refrigerant passage. The heat exchange tube 3 includes a first heat exchange tube 31 and a second heat exchange tube 32. The header includes a first header 21, a second header 22, a third header 23, and a fourth header 24. The heat exchange tube 3 may be, but is not limited to, a plain copper tube, an internally threaded copper tube, a capillary tube, a microchannel tube, or the like.
The indoor heat exchanger 1 includes: a first header 21, a second header 22, a third header 23, a fourth header 24, a first inlet pipe 11, a first outlet pipe 13, a first refrigerant passage, a second inlet pipe 12, a second outlet pipe 14, and a second refrigerant passage.
The first collecting pipe 21 and the second collecting pipe 22 are arranged at one end of the indoor heat exchanger 1, and the third collecting pipe 23 and the fourth collecting pipe 24 are arranged at the other end of the indoor heat exchanger 1. The first header 21 is disposed outside the second header 22, and the fourth header 24 is disposed outside the third header 23.
At least one of the first inlet pipe 11, the first outlet pipe 13, the second inlet pipe 12, and the second outlet pipe 14 is in communication with the chambers in the first header 21 and the second header 22. The first inlet pipe 11, the first outlet pipe 13, the second inlet pipe 12 and the second outlet pipe 14 are respectively communicated with different chambers.
The first inlet pipe 11 communicates with at least one header and the first outlet pipe 13 communicates with at least one header. In this embodiment, the first inlet pipe 11 is communicated with one of the chambers of the first header 21, and the chamber of the first header 21 communicating with the first inlet pipe 11 is communicated with one of the chambers of the second header 22. The first outlet pipe 13 communicates with one of the chambers of the first header 21, and the chamber of the first header 21 communicating with the first outlet pipe 13 communicates with one of the chambers of the second header 22.
Wherein a chamber of the first header 21 communicating with the first inlet pipe 11 is defined as a first inlet chamber 2111, and a chamber of the second header 22 communicating with the first inlet chamber 2111 is defined as a first inlet side chamber 2211. The chamber of the first header 21 communicating with the first outlet pipe 13 is defined as a first outlet chamber 2112, and the chamber of the second header 22 communicating with the first outlet chamber 2112 is defined as a first outlet side chamber 2212.
The chamber of the first header 21 and the chamber of the second header 22 may be connected by a pipe 5, or may be connected by a hole punched between the first header 21 and the second header 22 by abutting the first header 21 and the second header 22.
The third collecting pipe 23 is internally provided with two baffles 4, the interior of the first collecting pipe 21 is partitioned into three chambers by the two baffles 4, the three chambers are a third collecting pipe first chamber 2311, a third collecting pipe second chamber 2312 and a third collecting pipe third chamber 2313 respectively, wherein the third collecting pipe second chamber 2312 is arranged in the middle of the third collecting pipe first chamber 2311 and the third collecting pipe third chamber 2313, and the third collecting pipe first chamber 2311 and the third collecting pipe third chamber 2313 are arranged at two ends of the third collecting pipe second chamber 2312.
The baffle 4 may not be disposed in the fourth manifold 24, and a chamber may be disposed in the fourth manifold 24, where the chamber in the fourth manifold 24 is defined as a fourth manifold-chamber 2411. The chamber of the third header 23 and the chamber of the fourth header 24 may be connected by a connection pipe 5 between the third header 23 and the fourth header 24, or may be connected by a connection between the third header 23 and the fourth header 24 by abutting the third header 23 and the fourth header 24, and by punching holes between the third header 23 and the fourth header 24.
The second inlet pipe 12 communicates with at least one header and the second outlet pipe 14 communicates with at least one header. In this embodiment, the second inlet pipe 12 communicates with one of the chambers of the first header 21, and the chamber of the first header 21 communicating with the second inlet pipe 12 communicates with one of the chambers of the second header 22. The second outlet pipe 14 communicates with one of the chambers of the first header 21, and the chamber of the first header 21 communicating with the second outlet pipe 14 communicates with one of the chambers of the second header 22.
Wherein a chamber in which the first header 21 communicates with the second inlet pipe 12 is defined as a second inlet chamber 2113, and a chamber in which the second header 22 communicates with the second inlet chamber 2113 is defined as a second inlet side chamber 2213. The chamber in which the first header 21 communicates with the second outlet pipe 14 is defined as a second outlet chamber 2114, and the chamber in which the second header 22 communicates with the second outlet chamber 2114 is defined as a second outlet side chamber 2214.
Three baffles 4 are arranged in the first collecting pipe 21, the three baffles 4 divide the interior of the first collecting pipe 21 into four chambers, and the four chambers in the first collecting pipe 21 are a first inlet chamber 2111, a first outlet chamber 2112, a second inlet chamber 2113 and a second outlet chamber 2114 respectively.
Three baffles 4 are arranged in the second collecting pipe 22, the three baffles 4 divide the interior of the second collecting pipe 22 into four chambers, and the four chambers in the second collecting pipe 22 are a first inlet side chamber 2211, a first outlet side chamber 2212, a second inlet side chamber 2213 and a second outlet side chamber 2214 respectively.
Wherein the first inlet chamber 2111 and the first outlet chamber 2112 are provided at both ends of the first manifold 21, and the second inlet chamber 2113 and the second outlet chamber 2114 are provided at the middle of the first manifold 21. The placement of the second inlet chamber 2113 and the second outlet chamber 2114 may be interchanged.
The first refrigerant passage includes a plurality of first heat exchange tubes 31, and two ends of the first heat exchange tubes 31 are respectively communicated with oppositely arranged collecting pipes.
The second refrigerant path includes a plurality of second heat exchange tubes 32, and two ends of the second heat exchange tubes 32 are respectively communicated with oppositely arranged collecting pipes.
The refrigerant is split into two paths when flowing through the indoor heat exchanger 1, one path flows through the first refrigerant path, the refrigerant flows into the first inlet chamber 2111 through the first inlet pipe 11, flows into the third header three chamber 2313 through the first inlet side chamber 2211, the first heat exchange pipe 31, the third header one chamber 2311 and the fourth header one chamber 2411, flows through the first outlet side chamber 2212 and the first outlet chamber 2112 through the first heat exchange pipe 31, and flows out of the indoor heat exchanger 1 through the first outlet pipe 13.
The other path flows through the second refrigerant passage, the refrigerant flows into the second inlet chamber 2113 from the second inlet pipe 12, flows into the third header two chamber 2312 through the second inlet side chamber 2213 and the second heat exchange pipe 32, flows back into the second outlet pipe 14 side chamber of the second header 22 through the second heat exchange pipe 32, flows out of the indoor heat exchanger 1 from the second outlet pipe 14 through the second outlet chamber 2114, and the refrigerant in the second refrigerant passage flows out of the second outlet pipe 14 to be combined with the refrigerant in the first refrigerant passage.
The first heat exchange tubes 31 and the second heat exchange tubes 32 are disposed adjacently, and the two first heat exchange tubes 31 are disposed outside the two second heat exchange tubes 32.
The refrigerant is branched into two refrigerant paths while flowing through the indoor heat exchanger 1. The first heat exchange tube 31 and the second heat exchange tube 32 in the two refrigerant passages are adjacently arranged, so that the refrigerants in the adjacent heat exchange tubes 3 can be subjected to heat transfer in an adjacent arrangement mode, the surface temperatures of the adjacent heat exchange tubes 3 are similar, the temperature difference of the surface temperatures of the adjacent heat exchange tubes 3 is smaller, the temperature is uniform, the temperature difference of the whole surface of the heat exchanger is reduced, the temperature is uniform, the formation of condensation can be reduced, and the heat exchange efficiency of the indoor heat exchanger 1 is improved.
In some embodiments, one heat exchange tube 3 comprises a plurality of heat exchange tubes arranged side by side. The number of heat exchange tubes arranged on different heat exchange tubes 3 on the same refrigerant passage is different. The number of heat exchange tubes provided in different heat exchange tubes 3 on the same refrigerant passage gradually increases along the inlet of the refrigerant passage toward the outlet of the refrigerant passage.
In the cooling mode of the heat radiation air conditioning unit, the refrigerant enters the indoor heat exchanger 1, the gas phase ratio of the two phases of the refrigerant from the inlet to the outlet of the refrigerant passage is gradually increased, and the volume of the refrigerant is expanded multiple times. The number of the heat exchange tubes is gradually increased from the inlet of the refrigerant passage to the outlet of the refrigerant passage through the same refrigerant passage, so that the number of the refrigerant passages can be increased, the flow rate of the refrigerant is further reduced, the pressure drop is reduced, the temperature slippage is reduced, and the heat exchange performance is improved.
In some embodiments, the surface of the heat exchange tube 3 is provided with fins. The fins are connected with the heat exchange tubes 3, the heat exchange tubes 3 transfer heat to the fins, the fins enlarge the contact area between the heat exchange tubes 3 and air, so that the heat exchange efficiency of the heat exchange tubes 3 is improved, the heat transfer efficiency between the adjacent heat exchange tubes 3 is improved, the temperature difference between the adjacent heat exchange tubes 3 is eliminated, and the generation of condensation on the surface of the indoor heat exchanger 1 and the surface of the enclosure structure is avoided.
Referring to fig. 11-21, in some embodiments, the first manifold 21 is partitioned into a plurality of first chambers 211 by the baffle 4, the second manifold 22 is partitioned into a plurality of second chambers 221 by the baffle 4, the third manifold 23 is partitioned into a plurality of third chambers 231 by the baffle 4, and the fourth manifold 24 is partitioned into a plurality of fourth chambers 241 by the baffle 4.
Wherein the first chamber 211 and the third chamber 231 are communicated with each other through the second heat exchange tube 32. Specifically, the end of the first chamber 211 is communicated with the head end of the third chamber 231 through the second heat exchange tube 32, and the end of the third chamber 231 is communicated with the head end of the first chamber 211 through the second heat exchange tube 32 to form a first refrigerant path.
The second chamber 221 communicates with the fourth chamber 241 through the first heat exchange pipe 31. Specifically, the end of the second chamber 221 communicates with the head end of the fourth chamber 241 through the first heat exchange tube 31, and the end of the fourth chamber 241 communicates with the head end of the second chamber 221 through the first heat exchange tube 31, thereby forming a second refrigerant path.
The number of the first heat exchange tubes 31 and the second heat exchange tubes 32 and the number of the corresponding first chamber 211 in the first collecting pipe 21, the second chamber 221 in the second collecting pipe 22, the third chamber 231 in the third collecting pipe 23 and the fourth chamber 241 in the fourth collecting pipe 24 can be increased according to the requirement of the installation area of the indoor heat exchanger 1, so that the heat exchange area of the indoor heat exchanger 1 is increased by increasing the number of the heat exchange tubes 3 of the indoor heat exchanger 1, and the heat exchange efficiency of the indoor heat exchanger 1 is further improved.
The first header 21 and the second header 22 are provided on the same side of the indoor heat exchanger, and the third header 23 and the fourth header 24 are provided on the other side of the indoor heat exchanger 1. The first header 21 may be provided outside the second header 22 or inside the second header 22. The third collecting pipe 23 can be arranged on the inner side of the fourth collecting pipe 24, and the third collecting pipe can also be arranged on the outer side of the fourth collecting pipe 24, so that similar temperature equalizing and heat exchanging effects can be achieved. When the indoor heat exchanger is used, the proper position setting of the collecting pipe can be selected according to the actual application scene of the indoor heat exchanger 1, so that the indoor heat exchanger is suitable for different application scenes, the surface temperature uniformity of the indoor heat exchanger 1 can be realized under different scenes, the heat exchange effect is improved, and the generation of condensation is reduced.
In some embodiments, the heat exchange tube 3 further comprises a third heat exchange tube 3, and the indoor heat exchanger 1 further comprises: the third refrigerant passage comprises a plurality of third heat exchange tubes 3, and two ends of the third heat exchange tubes 3 are respectively communicated with oppositely arranged collecting pipes. At least part of the third heat exchange tubes 3 are arranged adjacent to at least part of the first heat exchange tubes 31 and/or at least part of the second heat exchange tubes 32 so as to facilitate heat transfer between the adjacent heat exchange tubes 3, thereby reducing the temperature difference of the surfaces of the indoor heat exchanger 1 and improving the heat exchange efficiency.
The third refrigerant passage and the first and second refrigerant passages are not communicated with each other inside the indoor heat exchanger 1. When the refrigerant passage needs to be added when the indoor heat exchanger 1 is installed, a group of collecting pipes corresponding to the refrigerant passage are added at two ends of the indoor heat exchanger 1 every time one refrigerant passage is added.
In some embodiments, the first refrigerant path includes the first header 21, the first heat exchange tube 31, and the third header 23. The second refrigerant pass includes the second header 22, the second heat exchange tube 32, and the fourth header 24. The first refrigerant passage and the second refrigerant passage are independent.
The first inlet pipe 11 and the first outlet pipe 13 are respectively communicated with different chambers of the first collecting pipe 21. The second inlet pipe 12 and the second outlet pipe 14 are respectively communicated with different chambers of the second collecting pipe 22.
One path of refrigerant flows into the first collecting pipe 21 through the first inlet pipe 11, flows back and forth through different chambers of the first collecting pipe 21 and the third collecting pipe 23 through the plurality of first heat exchange pipes 31, and flows out through the first outlet pipe 13; the other refrigerant flows into the second collecting pipe 22 through the second inlet pipe 12, flows back and forth through different chambers of the second collecting pipe 22 and the fourth collecting pipe 24 through the plurality of second heat exchange pipes 32, and flows out through the second outlet pipe 14.
The first heat exchange tube 31 in the first refrigerant path and the second heat exchange tube 32 in the second refrigerant path are adjacently disposed, that is, one side of the first heat exchange tube 31 is provided with the second heat exchange tube 32, and a space is provided between the first heat exchange tube 31 and the second heat exchange tube 32.
Specifically, the indoor heat exchanger 1 includes a first heat exchanger through which the first refrigerant passage flows, and a second heat exchanger through which the second refrigerant passage flows. A space is provided between the adjacent first heat exchange tubes 31, and a space is provided between the adjacent second heat exchange tubes 32.
Through overlapping the first heat exchanger and the second heat exchanger, the first heat exchange tube 31 on the first heat exchanger and the second heat exchange tube 32 on the second heat exchanger are arranged at intervals, so that the heat transfer efficiency between the first heat exchange tube 31 and the second heat exchanger is improved, and the temperature equalizing effect of the surface of the indoor heat exchanger 1 is improved.
The part of the connection part of the heat exchange tube 3 and the collecting pipe is provided with a bending part 6, and the bending part 6 is used for the collecting pipe arranged on the inner side of the indoor heat exchanger 1. The position of the heat exchange tube 3 is closer to the radiation structure plate through the bending part 6, the bending part 6 is bent to the pipe diameter exceeding the collecting pipe, so that the thickness of the radiation plate formed by combining the heat exchange tube 3 and the radiation structure plate is smaller, and the installation space of the radiation plate is reduced.
It may be provided that one heat exchange tube 3 comprises a plurality of heat exchange tubes, which are arranged side by side. The number of heat exchange tubes arranged on different heat exchange tubes 3 on the same refrigerant passage is different. The number of heat exchange tubes provided in different heat exchange tubes 3 on the same refrigerant passage gradually increases along the inlet of the refrigerant passage toward the outlet of the refrigerant passage.
In the cooling mode of the heat radiation air conditioning unit, the refrigerant enters the indoor heat exchanger 1, the gas phase ratio of the two phases of the refrigerant from the inlet to the outlet of the refrigerant passage is gradually increased, and the volume of the refrigerant is expanded multiple times. The number of the heat exchange tubes is gradually increased from the inlet of the refrigerant passage to the outlet of the refrigerant passage through the same refrigerant passage, so that the number of the refrigerant passages can be increased, the flow rate of the refrigerant is further reduced, the pressure drop is reduced, the temperature slippage is reduced, and the heat exchange performance is improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In the present utility model, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", "a third" and a fourth "may explicitly or implicitly include one or more such feature.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A heat radiation air conditioning unit, comprising:
the outdoor heat pump unit is arranged outdoors;
an indoor heat exchanger, which is provided indoors, comprising:
the collecting pipes are respectively arranged at two opposite ends of the indoor heat exchanger, and at least two collecting pipes are arranged at one end of the indoor heat exchanger;
the baffle is arranged in the collecting pipe and partitions the interior of the collecting pipe into a plurality of chambers;
the heat exchange tubes are provided with a plurality of heat exchange tubes, two ends of each heat exchange tube are respectively communicated with the collecting pipes which are oppositely arranged to form a refrigerant passage, one end of each heat exchange tube is at least communicated with one collecting pipe, and the refrigerant flows in different chambers of the opposite collecting pipes through the refrigerant passages;
at least two refrigerant passages are arranged on the indoor heat exchanger, and at least part of heat exchange tubes of one refrigerant passage are arranged adjacent to at least part of heat exchange tubes of the other refrigerant passage.
2. The heat radiation air conditioning unit as set forth in claim 1, wherein the heat exchange tube includes a first heat exchange tube and a second heat exchange tube, the indoor heat exchanger further comprising:
a first inlet pipe in communication with at least one of said headers;
a first outlet pipe in communication with at least one of the headers;
the first refrigerant passage comprises a plurality of first heat exchange tubes, and two ends of each first heat exchange tube are respectively communicated with the header pipes which are oppositely arranged;
a second inlet pipe in communication with at least one of said headers;
a second outlet pipe in communication with at least one of the headers;
the second refrigerant passage comprises a plurality of second heat exchange tubes, and two ends of each second heat exchange tube are respectively communicated with the header pipes which are oppositely arranged;
at least part of the first heat exchange tubes are arranged adjacent to at least part of the second heat exchange tubes.
3. The heat radiation air conditioning unit as set forth in claim 2, wherein said heat exchange tube further comprises a third heat exchange tube, said indoor heat exchanger further comprising:
a third inlet pipe in communication with at least one of said headers;
a third outlet pipe in communication with at least one of the headers;
the third refrigerant passage comprises a plurality of third heat exchange tubes, and two ends of each third heat exchange tube are respectively communicated with the collecting pipes which are oppositely arranged;
at least part of the third heat exchange tubes are arranged adjacent to at least part of the first heat exchange tubes and/or at least part of the second heat exchange tubes.
4. A heat radiation air conditioning unit according to claim 2, characterized in that,
the collecting pipes comprise a first collecting pipe, a second collecting pipe, a third collecting pipe and a fourth collecting pipe;
the first collecting pipe and the second collecting pipe are arranged at one end of the indoor heat exchanger, and the third collecting pipe and the fourth collecting pipe are arranged at the other end of the indoor heat exchanger.
5. The heat radiation air conditioner set according to claim 4, wherein,
at least one of the first inlet pipe, the first outlet pipe, the second inlet pipe and the second outlet pipe is communicated with the chambers in the first collecting pipe and the second collecting pipe;
the first inlet pipe, the first outlet pipe, the second inlet pipe and the second outlet pipe are respectively communicated with different chambers.
6. The heat radiation air conditioner set according to claim 5, wherein,
a first chamber is arranged in the first collecting pipe, a second chamber is arranged in the second collecting pipe, a third chamber is arranged in the third collecting pipe, and a fourth chamber is arranged in the fourth collecting pipe;
the tail end of the first chamber is communicated with the head end of the third chamber through the second heat exchange tube, and the tail end of the third chamber is communicated with the head end of the first chamber through the first heat exchange tube;
the tail end of the second chamber is communicated with the head end of the fourth chamber through the first heat exchange tube, and the tail end of the fourth chamber is communicated with the head end of the second chamber through the first heat exchange tube.
7. The heat radiation air conditioner set according to claim 6, wherein,
the first collecting pipe is arranged on the outer side of the second collecting pipe, and the fourth collecting pipe is arranged on the outer side of the third collecting pipe.
8. The heat radiation air conditioner set according to claim 4, wherein,
the first refrigerant passage includes the first header, the first heat exchange tube, and the third header;
the second refrigerant passage includes the second header, the second heat exchange tube, and the fourth header;
one path of refrigerant flows into the first collecting pipe through the first inlet pipe, flows back and forth through different chambers of the first collecting pipe and the third collecting pipe through a plurality of first heat exchange pipes and flows out through the first outlet pipe;
the other path of refrigerant flows into the second collecting pipe through the second inlet pipe, flows back and forth through different chambers of the second collecting pipe and the fourth collecting pipe through a plurality of second heat exchange pipes and flows out through the second outlet pipe.
9. The heat radiation air conditioner set according to claim 8, wherein,
the first heat exchange tube and the second heat exchange tube are arranged at intervals.
10. A heat radiation air conditioning unit according to any of claims 1-9, characterized in that,
the heat exchange tube comprises a plurality of heat exchange tubes, and the number of the heat exchange tubes gradually increases along the inlet of the refrigerant passage to the outlet of the refrigerant passage.
CN202320944282.5U 2023-04-24 2023-04-24 Heat radiation air conditioning unit Active CN219913295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320944282.5U CN219913295U (en) 2023-04-24 2023-04-24 Heat radiation air conditioning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320944282.5U CN219913295U (en) 2023-04-24 2023-04-24 Heat radiation air conditioning unit

Publications (1)

Publication Number Publication Date
CN219913295U true CN219913295U (en) 2023-10-27

Family

ID=88422394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320944282.5U Active CN219913295U (en) 2023-04-24 2023-04-24 Heat radiation air conditioning unit

Country Status (1)

Country Link
CN (1) CN219913295U (en)

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