CN114577030A - Heat exchange device and air conditioner - Google Patents

Heat exchange device and air conditioner Download PDF

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Publication number
CN114577030A
CN114577030A CN202011401599.1A CN202011401599A CN114577030A CN 114577030 A CN114577030 A CN 114577030A CN 202011401599 A CN202011401599 A CN 202011401599A CN 114577030 A CN114577030 A CN 114577030A
Authority
CN
China
Prior art keywords
heat exchanger
side plate
plate
exchange device
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011401599.1A
Other languages
Chinese (zh)
Inventor
劳同炳
王命仁
张铁钢
孙西辉
罗伟洪
廖胜生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, GD Midea Heating and Ventilating Equipment Co Ltd filed Critical Midea Group Co Ltd
Priority to CN202011401599.1A priority Critical patent/CN114577030A/en
Priority to PCT/CN2021/122393 priority patent/WO2022116674A1/en
Publication of CN114577030A publication Critical patent/CN114577030A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0475Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0059Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0325Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14Heat exchangers specially adapted for separate outdoor units
    • F24F1/18Heat exchangers specially adapted for separate outdoor units characterised by their shape
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a heat exchange device and an air conditioner with the same, wherein the heat exchange device comprises a first heat exchanger, a second heat exchanger and a connecting assembly, the second heat exchanger and the first heat exchanger are superposed in the thickness direction of the first heat exchanger, the size of the second heat exchanger in the height direction is smaller than that of the first heat exchanger in the height direction, the distance between the top end of the second heat exchanger and the top end of the first heat exchanger is smaller than that between the bottom end of the second heat exchanger and the bottom end of the first heat exchanger, the connecting assembly comprises a fixing piece and a connecting piece, the fixing piece is arranged in the first heat exchanger and/or the second heat exchanger, and the connecting piece is used for connecting the first heat exchanger and the second heat exchanger. According to the heat exchange device provided by the embodiment of the invention, the whole volume of the heat exchanger is reduced, the heat exchange efficiency is improved, the first heat exchanger and the second heat exchanger are relatively fixed, and the connection stability of the heat exchange device is improved.

Description

Heat exchange device and air conditioner
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a heat exchange device and an air conditioner with the same.
Background
The heat exchange device is a key part for heat exchange between an air conditioner and the outside, and in the related technology, in order to improve the heat exchange efficiency of the heat exchange device, the structure of two rows or three rows of heat exchangers is generally adopted, and two ends of the multiple rows of heat exchangers are fixed through top plates and bottom plates.
However, in the air conditioning equipment, the multi-row heat exchanger structure occupies a large space, which affects the use of the internal space of the air conditioner, and also causes the overall size of the air conditioner to be increased, which affects the market attraction of the air conditioner.
In addition, the air speed of different parts in the air conditioning system is different, so the heat exchange efficiency of different positions of the heat exchange device is different, and the multi-row heat exchangers can cause the waste of the heat exchange capacity of partial heat exchangers, thereby the cost performance of the air conditioner is reduced.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides the heat exchange device which is small in overall size and beneficial to saving the internal space of the air conditioner.
An embodiment of another aspect of the present invention provides an air conditioner having the above heat exchange device.
The heat exchange device comprises a first heat exchanger, a second heat exchanger and a connecting assembly, wherein the second heat exchanger and the first heat exchanger are stacked in the thickness direction of the first heat exchanger, the size of the second heat exchanger in the height direction of the second heat exchanger is smaller than that of the first heat exchanger in the height direction of the first heat exchanger, the distance between the top end of the second heat exchanger and the top end of the first heat exchanger is smaller than that between the bottom end of the second heat exchanger and the bottom end of the first heat exchanger, the connecting assembly comprises a fixing piece and a connecting piece, the fixing piece is arranged in the first heat exchanger and/or the second heat exchanger, the connecting piece is connected with the fixing piece, and the connecting piece is used for connecting the first heat exchanger and the second heat exchanger.
According to the heat exchanger provided by the embodiment of the invention, the first heat exchanger and the second heat exchanger with different height sizes are arranged, so that the overall size of the heat exchanger is reduced, the utilization rate of the internal space of the air conditioner is improved, in addition, the special connecting components for the heat exchangers with different height sizes are designed, and the first heat exchanger and the second heat exchanger are connected through the connecting components, so that the second heat exchanger is prevented from moving relative to the first heat exchanger, the disassembly is convenient, the connection stability of the heat exchanger is improved, and the assembly difficulty is reduced.
In some embodiments, the connector comprises a first side plate, a second side plate and a first connecting plate, one end of the first connecting plate is connected with the first side plate, the other end of the first connecting plate is connected with the second side plate, and the fixing piece is connected with the first side plate and/or the second side plate.
In some embodiments, the first connecting plate is connected with the top end of the second heat exchanger, the second side plate is connected with the fixing piece in the second heat exchanger, the first side plate is positioned between the first heat exchanger and the second heat exchanger, and the first side plate is connected with the fixing piece in the first heat exchanger; or the first connecting plate is connected with the top end of the first heat exchanger and the top end of the second heat exchanger, the second side plate is connected with the fixing piece in the second heat exchanger, and the first side plate is positioned on one side of the first heat exchanger, which is far away from the second heat exchanger.
In some embodiments, the first connecting plate is connected to a bottom end of the second heat exchanger, and the first side plate is connected to the fixing member in the first heat exchanger.
In some embodiments, the first side plate and the second side plate are parallel to each other, the first side plate and the second side plate are respectively disposed on two sides of the second heat exchanger in the thickness direction, the first connecting plate is in contact with the top end of the second heat exchanger or the bottom end of the second heat exchanger, and the second side plate is in contact with one side of the second heat exchanger away from the first heat exchanger.
In some embodiments, the first side plate and the second side plate are respectively provided on both sides of the first connection plate in the height direction of the second heat exchanger.
In some embodiments, the connector further comprises a guide plate, the guide plate is connected with one end of the second side plate far away from the first connecting plate, and the guide plate is inclined towards one side far away from the first heat exchanger along the direction far away from the first connecting plate in the height direction of the first heat exchanger.
In some embodiments, the connector includes a first connector and a second connector, the first connector and the second connector are arranged at intervals in a length direction of the first heat exchanger, and each of the first connector and the second connector includes the first side plate, the second side plate, the first connecting plate, and the guide plate.
In some embodiments, the connection assembly further includes a fourth connection plate disposed along a length direction of the first heat exchanger, one end of the fourth connection plate is connected to the first connector, the other end of the fourth connection plate is connected to the second connector, and at least a portion of the fourth connection plate is in contact with the second heat exchanger.
In some embodiments, the fixing piece is arranged inside the first heat exchanger and/or the second heat exchanger along the height direction of the first heat exchanger, and a through hole for a heat exchanger copper pipe to pass through is arranged on the fixing piece.
In some embodiments, the fixing part comprises a first fixing part, the first fixing part is arranged in the first heat exchanger along the height direction of the first heat exchanger, the first fixing part comprises a second connecting plate, the edge of the second connecting plate is provided with a third side plate bent towards the length direction of the first heat exchanger, and the third side plate is connected with the connecting part; and/or the fixing piece comprises a second fixing piece, the second fixing piece is arranged in the second heat exchanger along the height direction of the second heat exchanger, the second fixing piece comprises a third connecting plate, a fifth side plate bent towards the length direction of the second heat exchanger is arranged on the edge of the third connecting plate, and the fifth side plate is connected with the connecting piece.
In some embodiments, the top end of the second heat exchanger is flush with the top end of the first heat exchanger.
According to another aspect of the invention, the air conditioner comprises a heat exchange device, and the heat exchange device is the heat exchange device of any one of the above embodiments.
Drawings
FIG. 1 is a schematic view of a heat exchange apparatus according to a first embodiment of the present invention;
FIG. 2 is a top view of a heat exchange device according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a first fixing member and a first connecting member of a heat exchange device according to a first embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of the heat exchange unit shown in FIG. 3 at A;
FIG. 5 is a front view of the heat exchange device shown in FIG. 3;
FIG. 6 is an enlarged view of a portion of the heat exchange unit shown in FIG. 5 at B;
FIG. 7 is a schematic view of a heat exchange apparatus according to a second embodiment of the present invention;
FIG. 8 is a front view of a heat exchange device according to a second embodiment of the present invention;
FIG. 9 is a top view of a heat exchange device according to a second embodiment of the present invention;
FIG. 10 is a schematic view of a first fastener element and a connecting element according to a second embodiment of the invention;
FIG. 11 is an enlarged view of a portion of the heat exchange unit shown in FIG. 10 at C;
FIG. 12 is a schematic view of a heat exchange device according to a third embodiment of the present invention;
FIG. 13 is an enlarged fragmentary view of the heat exchange unit of FIG. 12 at D;
FIG. 14 is an exemplary schematic diagram of the relative positions of a first heat exchanger and a second heat exchanger of a heat exchange device according to an embodiment of the present invention;
FIG. 15 is another exemplary schematic of the relative positions of a first heat exchanger and a second heat exchanger of a heat exchange device according to an embodiment of the invention;
FIG. 16 is a head-on wind velocity profile for different positions of rows of equal height heat exchangers;
FIG. 17 is a head-on wind velocity profile for different locations of a heat exchange device according to a first embodiment of the present invention.
Reference numerals are as follows:
the first heat exchanger 1, the first side plate 11,
the second heat exchanger 2, the second side plate 21,
the connecting assembly (3) is connected with the connecting rod,
a first fixing member 31, a third side plate 311, a fourth side plate 312, a second connecting plate 313, a second fixing member 32, a fifth side plate 321, a sixth side plate 322, a third connecting plate 323,
a connector 33, a first side plate 331, a second side plate 332, a first connecting plate 333, a guide plate 334, a first connector 335, a second connector 336, a first bolt 337,
and a fourth connecting plate 34.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 and 2, the heat exchange device according to the embodiment of the present invention includes a first heat exchanger 1, a second heat exchanger 2, and a connecting assembly 3, the second heat exchanger 2 is stacked with the first heat exchanger 1 in a thickness direction (a front-back direction indicated by an arrow in fig. 1) of the first heat exchanger 1, the number of the first heat exchangers 1 may be plural, a dimension of the second heat exchanger 2 in a height direction thereof is smaller than a dimension of the first heat exchanger 1 in the height direction thereof (a vertical direction indicated by an arrow in fig. 1), a distance between a top end of the second heat exchanger 2 and a top end of the first heat exchanger 1 is smaller than a distance between a bottom end of the second heat exchanger 2 and a bottom end of the first heat exchanger 1, both ends of the first heat exchanger 1 in the height direction are respectively and fixedly installed in a housing of an air conditioner, and an air outlet and a fan are arranged at one end of the first heat exchanger 1 in the height direction, and air is discharged through the air outlet after heat exchange is carried out in the heat exchanger.
It should be noted that, because the air speeds of different parts in the air conditioning system are different, the heat exchange efficiency of different positions of the heat exchange device is also different, the heat exchange device of the embodiment of the invention can adjust the position of the second heat exchanger 2 according to the air speed, if the second heat exchanger 2 is arranged at a position close to the top end of the first heat exchanger 1, the second heat exchanger is closer to the fan, the first heat exchanger 1 and the second heat exchanger 2 work simultaneously, the heat exchange efficiency of the heat exchanger is improved, and the position far away from the fan can meet the heat exchange requirement only by the heat exchange of the first heat exchanger 1, so that the production cost of the air conditioner is reduced, the volume of the heat exchanger is reduced, the occupied space of the heat exchanger is small, the full utilization of the internal space of the air conditioner is facilitated, the overall size of the air conditioner is reduced, and the market attraction of the air conditioner is improved.
The connecting assembly 3 comprises a fixing piece and a connecting piece 33, the fixing piece is arranged in the first heat exchanger 1 and/or the second heat exchanger 3, the connecting piece 33 is connected with the fixing piece, the connecting piece 33 is used for connecting the first heat exchanger 1 and the second heat exchanger 2, it can be understood that the fixing piece can be independently arranged in the first heat exchanger 1, the connecting piece 33 is respectively connected with the fixing piece 1 and the second heat exchanger 2, or the fixing piece is independently arranged in the second heat exchanger 2, the connecting piece 33 is respectively connected with the fixing piece and the first heat exchanger 1, or the fixing piece is simultaneously arranged in the first heat exchanger 1 and the second heat exchanger 2, the connecting piece 33 is simultaneously connected with the fixing piece in the first heat exchanger 1 and the fixing piece in the second heat exchanger 2, and the first heat exchanger 1 and the second heat exchanger 2 can be stably connected in the above three modes.
According to the heat exchange device provided by the embodiment of the invention, the first heat exchanger 1 and the second heat exchanger 2 with different height sizes are arranged, so that the overall size of the heat exchange device is reduced, the utilization rate of the internal space of the air conditioner is improved, the second heat exchanger is closer to the fan, and the heat exchange efficiency of the heat exchangers is improved. In addition, still designed the dedicated coupling assembling 3 of heat exchanger of different height dimensions, connected first heat exchanger 1 and second heat exchanger 2 through this coupling assembling 3, improved heat transfer device's connection stability.
In some embodiments, the connector 33 includes a first side plate 331, a second side plate 332, and a first connecting plate 333, the first side plate 331 and the second side plate 332 are arranged at an interval in a thickness direction of the first heat exchanger 1, one end of the first connecting plate 333 is connected to the first side plate 331, the other end of the first connecting plate 333 is connected to the second side plate 332, and a fixing member is connected to the first side plate 331 and/or the second side plate 332 to connect the first heat exchanger 1 to the second heat exchanger 2.
The connection member composed of the first side plate 331, the second side plate 332, and the first connection plate 333 may have various shapes such as a U shape, a Z shape, an H shape, or an n shape, and the connection member may be connected to any one end of the first heat exchanger 1 or the second heat exchanger 2 in the height direction.
In some embodiments, the first connection plate 333 is connected to the top end of the second heat exchanger 2, the second side plate 332 is connected to a fixed member in the second heat exchanger 2, the first side plate 331 is located between the first heat exchanger 1 and the second heat exchanger 2, and the first connection plate 333 is connected to a fixed member in the first heat exchanger 1. It is understood that in the present embodiment, the connector 33 has an n-shape, and the first connecting plate 333 is connected to the top end of the second heat exchanger 2, the first side plate 331 is connected to the fixing member in the first heat exchanger 1, and the second side plate 332 is connected to the fixing member in the second heat exchanger 2, so as to connect the second heat exchanger 2 to one side of the first heat exchanger 1.
In some embodiments, the first connecting plate 333 is connected to the top end of the first heat exchanger 1 and the top end of the second heat exchanger 2, the second side plate 332 is connected to a fixed member in the second heat exchanger 2, and the first side plate 331 is located on the side of the first heat exchanger 1 away from the second heat exchanger 2. In this embodiment, the connector is n-shaped, and the first connection plate 333 spans the top end of the first heat exchanger 1 and the top end of the second heat exchanger 2, and the second heat exchanger 2 is hung at one side of the first heat exchanger 1.
In some embodiments, the first connecting plate 333 is connected to the bottom end of the second heat exchanger 2, and the first side plate 331 is connected to a fixed member in the first heat exchanger 1. It is understood that the connector 33 in this embodiment has a U-shape or a Z-shape, the connector 33 is connected to the first heat exchanger 1 through the first side plate 331, and the first connection plate 333 is supported at the bottom end of the second heat exchanger 2, thereby connecting the second heat exchanger 2 to the first heat exchanger 1.
Specifically, the first side plate 331 and the second side plate 332 are parallel to each other, the first side plate 331 and the second side plate 332 are respectively provided on both sides of the second heat exchanger 2 in the thickness direction, and the second side plate 332 is in contact with a side of the second heat exchanger 2 away from the first heat exchanger 1. The second side plate 332 is in contact with the side of the second heat exchanger 2 remote from the first heat exchanger 1, and can prevent the second heat exchanger 2 from moving in the thickness direction thereof during transportation.
Preferably, the first side plate 331 and the second side plate 332 are respectively disposed on both sides of the first connection plate 333 in the height direction of the first heat exchanger 1, the first connection plate 333 is in contact with the bottom end of the second heat exchanger 2, and the second side plate 332 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1. The first side plate 331, the second side plate 332, and the first connecting plate 333 form a Z-shaped structure, the first side plate 331 is provided on the side of the first connecting plate 333 near the bottom end in the height direction of the first heat exchanger 1, and the second side plate 332 is provided on the side of the first connecting plate 333 near the top end in the height direction of the second heat exchanger 2.
As shown in fig. 3, in some embodiments, the connection 33 further comprises a guide plate 334 for guiding the second heat exchanger 2 to move into the connection 33 when the second heat exchanger 2 is mounted on the first heat exchanger 1. The guide plate 334 is connected to an end of the second side plate 332 away from the first connection plate 333, and the guide plate 334 is inclined toward a side away from the second heat exchanger 2 in a direction away from the first connection plate 333 in a height direction of the first heat exchanger 1.
So set up, when installation second heat exchanger 2, from top to bottom remove second heat exchanger 2, the bottom of second heat exchanger 2 removes the recess that constitutes to the lateral wall of first heat exchanger 1, first connecting plate 333 and second curb plate 332 under the effect of guide board 334, need not to guarantee that second heat exchanger 2 laminates with first heat exchanger 1 mutually all the time at this in-process, has reduced the installation degree of difficulty of second heat exchanger 2.
As shown in fig. 1, in some embodiments, the connector 33 includes a first connector 335 and a second connector 336, the first connector 335 and the second connector 336 are arranged at intervals in the length direction of the first heat exchanger 1, and each of the first connector 335 and the second connector 336 includes a first side plate 331, a second side plate 332, and a first connecting plate 333. Therefore, the first connecting piece 335 and the second connecting piece 336 are matched with each other, so that a better supporting effect can be achieved, and the second heat exchanger 2 can be prevented from inclining.
In some embodiments, the fixing member is disposed inside the first heat exchanger 1 and/or the second heat exchanger 2 along a height direction of the first heat exchanger 1, and the fixing member is provided with a through hole for a copper pipe of the heat exchanger to pass through.
Specifically, the fixing member includes a first fixing member 31 and a second fixing member 32, the first fixing member 31 is disposed in the first heat exchanger 1 along the height direction of the first heat exchanger 1, and the second fixing member 32 is disposed in the second heat exchanger 2 along the height direction of the second heat exchanger 2.
The first fixing member 31 includes a third side plate 311, a fourth side plate 312, and a second connecting plate 313, the third side plate 311 and the fourth side plate 312 are arranged at an interval in the thickness direction of the first heat exchanger 1, one end of the second connecting plate 313 is connected to the third side plate 311, the other end of the second connecting plate 313 is connected to the fourth side plate 312, the third side plate 311 is in contact with the inner wall of the first heat exchanger 1 close to the second heat exchanger 2, and the fourth side plate 312 is in contact with the inner wall of the first heat exchanger 1 far from the second heat exchanger 2, the first side plate 331 is connected to the third side plate 311.
The second fixing member 32 includes a fifth side plate 321, a sixth side plate 322, and a third connecting plate 323, the fifth side plate 321 and the sixth side plate 322 are arranged at an interval in the thickness direction of the second heat exchanger 2, one end of the third connecting plate 323 is connected to the fifth side plate 321, the other end of the third connecting plate 323 is connected to the sixth side plate 322, and the second side plate 332 is connected to the fifth side plate 321.
It should be noted that the first fixing member 31 may only include a third side plate 311 and a second connecting plate 313, the third side plate 311 is disposed along the length direction of the first heat exchanger 1, the second connecting plate 313 is disposed along the thickness direction of the first heat exchanger 1, and one end of the second connecting plate 313 is connected to the third side plate 311, so that the cross-sectional shape of the first fixing member 31 is L-shaped, and the first side plate 331 is connected to the third side plate 311.
Likewise, the second fixing member 32 may include only a fifth side plate 321 and a third connecting plate 323, the fifth side plate 321 being disposed along the length direction of the second heat exchanger 2, the third connecting plate 323 being disposed along the thickness direction of the second heat exchanger 2, one end of the third connecting plate 323 being connected to the fifth side plate 321, the second fixing member 32 having an L-shaped cross-section, and the second side plate 332 being connected to the fifth side plate 321.
So set up, can connect and fix first heat exchanger 1 and second heat exchanger 2 together through coupling assembling 3, second heat exchanger 2 can not relative movement again with first heat exchanger 1, connects more stably.
As shown in fig. 7-11, in some embodiments, the connection assembly 3 further includes a fourth connection plate 34, the fourth connection plate 34 is disposed along the length direction of the first heat exchanger 1, one end of the fourth connection plate 34 is connected to the first connector 335, the other end of the fourth connection plate 34 is connected to the second connector 336, and at least a portion of the fourth connection plate 34 is in contact with the bottom end of the second heat exchanger 2.
The fourth connecting plate 34 can connect the first connecting piece 335 and the second connecting piece 336 to improve the strength of the connecting piece 33, and a part of the fourth connecting plate 34 is connected with the second heat exchanger 2, so that the fourth connecting plate can play a role of auxiliary support, reduce the pressure on the first connecting piece 335 and the second connecting piece 336, avoid the deformation of the connecting piece 33 caused by too large pressure, and prolong the service life of the connecting piece 33.
It should be noted that the heat exchange device according to the embodiment of the present invention is a U-shaped heat exchanger, and the first connecting member 335 and the second connecting member 336 are disposed in the middle of the U-shaped heat exchanger, so as to perform a better supporting function. Besides, the heat exchange device can also be a G-shaped heat exchanger or a heat exchanger with other structures, and the position of the connecting piece 33 can be arranged according to actual conditions.
As shown in fig. 4 and 6, in some embodiments, a first through hole (not shown) is formed on a sidewall of the first heat exchanger 1, a second through hole (not shown) is formed on a sidewall of the second heat exchanger 2, the connection assembly 3 further includes a first bolt 337 and a second bolt, the first bolt 337 penetrates through the first through hole to connect the connection member 33 and the first fixing member 31, and the second bolt penetrates through the second through hole to connect the connection member 33 and the second fixing member 32.
As shown in fig. 14 and 15, in some embodiments, the top end of the second heat exchanger 2 in the height direction thereof is flush with the top end of the first heat exchanger 1 in the height direction thereof, or the bottom end of the second heat exchanger 2 in the height direction thereof is flush with the bottom end of the first heat exchanger 1 in the height direction thereof.
The two kinds of positions of second heat exchanger 2 all can reduce heat transfer device's volume, and the concrete position of second heat exchanger 2 should be confirmed according to air conditioner fan's position, and in order to maximize heat exchange efficiency, second heat exchanger 2 should be close to the one end parallel and level of fan with first heat exchanger 1.
In some embodiments, the ratio of the dimension of the second heat exchanger 2 in its height direction to the dimension of the first heat exchanger 1 in its height direction is 0.5-0.6, in other words, the height of the second heat exchanger 2 is 0.5-0.6 times the height of the first heat exchanger 1.
Fig. 16 is a head-on wind speed distribution diagram of different positions of a plurality of rows of heat exchangers with the same height in the prior art, wherein the ordinate in the diagram represents the wind speed of a measured point, the abscissa indicates the ratio of the distance between the measured point and a fan to the maximum height of the heat exchanger, and the larger the abscissa is, the farther the distance between the measured point and the fan is. As shown in fig. 16, when the distance between the heat exchanger and the fan is 0.5-0.6 times of the maximum height of the heat exchanger, the wind speed is kept at a minimum value, and the variation of the wind speed is small with the increase of the distance, in other words, the wind speed is small at a position far away from the fan, therefore, the heat exchangers in multiple rows do not effectively increase the heat exchange efficiency, and therefore, the second heat exchanger 2 is only arranged at a position with a large wind speed.
Fig. 17 is a head-on wind speed distribution diagram of different positions of the heat exchange device according to the embodiment of the present invention, and a ratio of a height of the second heat exchanger 2 to a height of the first heat exchanger 1 is 0.5, a vertical axis in the diagram represents a wind speed of a measured point, and an abscissa indicates a ratio of a distance between the measured point and a fan to a maximum height of the second heat exchanger 2, as shown in fig. 17, when a height dimension of the second heat exchanger 2 is 0.5 times of a height dimension of the first heat exchanger 1, wind speeds of different positions of the second heat exchanger 2 are relatively uniform, and a difference in heat exchange efficiency of different heights of the second heat exchanger 2 is not large, so that heat exchange efficiency of the air conditioner is not excessively affected.
As shown in fig. 1, in some embodiments, the first heat exchanger 1 further includes a first side plate 11, the first side plate 11 is disposed at two ends of the first heat exchanger 1 in a length direction (a left-right direction indicated by an arrow in fig. 1), the second heat exchanger 2 further includes a second side plate 21, the second side plate 21 is disposed at two ends of the second heat exchanger 2 in the length direction (a left-right direction indicated by an arrow in fig. 1), and the first side plate 11 and the second side plate 21 are both provided with through holes for the heat exchange pipelines to pass through.
The both ends on the length direction of first heat exchanger 1 and the both ends on the length direction of second heat exchanger 2 are parallel and level, consequently, are located the same first sideboard 11 and the second sideboard 21 of end of heat transfer device also parallel and level, and the first sideboard 11 and the second sideboard 21 that are located the same end of heat transfer device form an organic whole, perhaps, are located the same first sideboard 11 and the second sideboard 21 of end of heat transfer device and link to each other.
So set up, first sideboard 11 and second sideboard 21 can play the connection effect, prevent first heat exchanger 1 and second heat exchanger 2 relative movement. It should be noted that, the length of the second sideboard 21 can be the same as the dimension of the second heat exchanger in the height direction thereof, which can save materials and reduce cost, and the length of the second sideboard 21 can also be the same as the dimension of the first heat exchanger 1 in the height direction thereof, therefore, the second sideboard 21 and the first sideboard 11 can be universal, which is convenient for later maintenance and replacement, and the second sideboard 21 can also be universal with the sideboard of the existing heat exchanger, which does not need to be separately processed, which is beneficial to reducing production cost.
According to another aspect of the invention, the air conditioner comprises the heat exchange device, the heat exchange device is the heat exchange device according to the embodiment of the invention, the whole volume of the heat exchange device of the air conditioner is small, the utilization rate of the internal space of the air conditioner is favorably improved, the whole size of the air conditioner can be further reduced, and the market attraction is favorably improved.
Heat exchange devices according to some specific examples of the invention are described below with reference to the accompanying drawings.
As shown in fig. 1 to 6, a heat exchange device according to an embodiment of the present invention includes a first heat exchanger 1, a second heat exchanger 2, and a connection assembly 3, the second heat exchanger 2 is stacked with the first heat exchanger 1 in a thickness direction of the first heat exchanger 1, a ratio of a dimension of the second heat exchanger 2 in a height direction thereof to a dimension of the first heat exchanger 1 in the height direction thereof is 0.5, and a top end of the first heat exchanger 1 in the height direction thereof is flush with a top end of the second heat exchanger 2 in the height direction thereof.
The both ends on the length direction of first heat exchanger 1 and the both ends parallel and level on the length direction of second heat exchanger 2, the both ends of first heat exchanger 1 are equipped with first sideboard 11, and the both ends of second heat exchanger 2 are equipped with second sideboard 21, and first sideboard 11 and the second sideboard 21 that are located the same end of heat exchanger form an organic whole.
The connecting assembly 3 includes a first fixing member 31, a first connecting member 335 and a second connecting member 336, the first fixing member 31 is disposed in the first heat exchanger 1 along the height direction of the first heat exchanger 1, the number of the first fixing members 31 is two, and the two first fixing members 31 are disposed at intervals along the length direction of the first heat exchanger 1.
The first fixing piece 31 includes a third side plate 311, a fourth side plate 312, and a second connecting plate 313, the third side plate 311 and the fourth side plate 312 are arranged at an interval in the thickness direction of the first heat exchanger 1, and the third side plate 311 and the fourth side plate 312 are connected by the second connecting plate 313.
The first connecting piece 335 and the second connecting piece 336 are arranged at intervals along the length direction of the first heat exchanger 1, the first connecting piece 335 and the second connecting piece 336 are respectively connected with the two first fixing pieces 31, each of the first connecting piece 335 and the second connecting piece 336 comprises a first side plate 331, a second side plate 332, a first connecting plate 333 and a guide plate 334, the first side plate 331 and the second side plate 332 are parallel to each other, the first side plate 331 and the second side plate 332 are arranged at intervals in the thickness direction of the first heat exchanger 1, one end of the first connecting plate 333 is connected with the first side plate 331, the other end of the first connecting plate 333 is connected with the second side plate 332, the first side plate 331 is arranged on the side, close to the bottom end, of the first connecting plate 333 in the height direction of the first heat exchanger 1, and the second side plate 332 is arranged on the side, close to the top end, of the first connecting plate 333 in the height direction of the first heat exchanger 1. The first side plate 331 is connected to the first fixing member 31 through a connector, the first connecting plate 333 is in contact with the bottom end of the second heat exchanger 2, and the second side plate 332 is in contact with the side of the second heat exchanger 2 away from the first heat exchanger 1.
The guide plate 334 is connected to an end of the second side plate 332 away from the first connection plate 333, and the guide plate 334 is inclined toward a side away from the second heat exchanger 2 in a direction away from the first connection plate 333 in a height direction of the first heat exchanger 1.
A heat exchange device according to another embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 7 to 11, the heat exchange device according to the embodiment of the present invention includes a first heat exchanger 1, a second heat exchanger 2, and a connection assembly 3.
The connecting assembly 3 comprises a first fixing member 31, a first connecting member 335, a second connecting member 336 and a fourth connecting plate 34, the first connecting member 335 and the second connecting member 336 are arranged at intervals along the length direction of the first heat exchanger 1, the fourth connecting plate 34 is arranged along the length direction of the first heat exchanger 1, one end of the fourth connecting plate 34 is connected with the first connecting member 335, the other end of the fourth connecting plate 34 is connected with the second connecting member 336, and at least part of the fourth connecting plate 34 is in contact with the bottom end of the second heat exchanger 2.
The fourth connecting plate 34 can connect the first connecting piece 335 and the second connecting piece 336 to improve the strength of the connecting piece 33, and a part of the fourth connecting plate 34 is connected with the second heat exchanger 2, so that the fourth connecting plate can play a role of auxiliary support, reduce the pressure on the first connecting piece 335 and the second connecting piece 336, avoid the deformation of the connecting piece 33 caused by too large pressure, and prolong the service life of the connecting piece 33.
The other structures of the heat exchanger shown in fig. 7-11 may be the same as the embodiment shown in fig. 1-6 and will not be described in detail here.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (13)

1. A heat exchange device, comprising:
a first heat exchanger;
the second heat exchanger is overlapped with the first heat exchanger in the thickness direction of the first heat exchanger, the size of the second heat exchanger in the height direction of the second heat exchanger is smaller than that of the first heat exchanger in the height direction of the first heat exchanger, and the distance between the top end of the second heat exchanger and the top end of the first heat exchanger is smaller than that between the bottom end of the second heat exchanger and the bottom end of the first heat exchanger;
the connecting assembly comprises a fixing piece and a connecting piece, the fixing piece is arranged in the first heat exchanger and/or the second heat exchanger, the connecting piece is connected with the fixing piece, and the connecting piece is used for connecting the first heat exchanger and the second heat exchanger.
2. The heat exchange device of claim 1, wherein the connector comprises a first side plate, a second side plate and a first connecting plate, one end of the first connecting plate is connected with the first side plate, the other end of the first connecting plate is connected with the second side plate, and the fixing member is connected with the first side plate and/or the second side plate.
3. The heat exchange device of claim 2, wherein the first connecting plate is connected to the top end of the second heat exchanger, the second side plate is connected to the fixture in the second heat exchanger, the first side plate is located between the first heat exchanger and the second heat exchanger, and the first side plate is connected to the fixture in the first heat exchanger;
or the first connecting plate is connected with the top end of the first heat exchanger and the top end of the second heat exchanger, the second side plate is connected with the fixing piece in the second heat exchanger, and the first side plate is positioned on one side of the first heat exchanger, which is far away from the second heat exchanger.
4. The heat exchange device of claim 2, wherein the first connection plate is connected to a bottom end of the second heat exchanger, and the first side plate is connected to the fixing member of the first heat exchanger.
5. The heat exchange device according to claim 4, wherein the first side plate and the second side plate are parallel to each other, the first side plate and the second side plate are respectively provided on both sides of the second heat exchanger in the thickness direction, and the second side plate is in contact with a side of the second heat exchanger away from the first heat exchanger.
6. The heat exchange device according to claim 5, wherein the first side plate and the second side plate are respectively provided on both sides of the first connection plate in the height direction of the second heat exchanger.
7. The heat exchange device according to claim 2, wherein the connector further comprises a guide plate connected to an end of the second side plate remote from the first connector plate, and the guide plate is inclined in a height direction of the first heat exchanger in a direction away from the first connector plate toward a side remote from the first heat exchanger.
8. The heat exchange device of claim 7, wherein the connector comprises a first connector and a second connector, the first connector and the second connector are arranged at intervals in the length direction of the first heat exchanger, and the first connector and the second connector each comprise the first side plate, the second side plate, the first connecting plate and the guide plate.
9. The heat exchange device of claim 8, wherein the connection assembly further comprises a fourth connection plate disposed along the length of the first heat exchanger, one end of the fourth connection plate is connected to the first connector, the other end of the fourth connection plate is connected to the second connector, and at least a portion of the fourth connection plate is in contact with the second heat exchanger.
10. The heat exchange device according to claim 1, wherein the fixing member is arranged inside the first heat exchanger and/or the second heat exchanger along the height direction of the first heat exchanger, and a through hole for a heat exchanger copper pipe to pass through is formed in the fixing member.
11. The heat exchange device according to claim 10, wherein the fixing member comprises a first fixing member, the first fixing member is arranged in the first heat exchanger along the height direction of the first heat exchanger, the first fixing member comprises a second connecting plate, the edge of the second connecting plate is provided with a third side plate which is bent towards the length direction of the first heat exchanger, and the third side plate is connected with the connecting member;
and/or
The fixing piece comprises a second fixing piece, the second fixing piece is arranged in the second heat exchanger along the height direction of the second heat exchanger, the second fixing piece comprises a third connecting plate, a fifth side plate which is bent towards the length direction of the second heat exchanger is arranged on the edge of the third connecting plate, and the fifth side plate is connected with the connecting piece.
12. The heat exchange device of any one of claims 1 to 11, wherein the top end of the second heat exchanger is flush with the top end of the first heat exchanger.
13. An air conditioner, characterized by comprising a heat exchange device according to any one of claims 1 to 12.
CN202011401599.1A 2020-12-02 2020-12-02 Heat exchange device and air conditioner Pending CN114577030A (en)

Priority Applications (2)

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CN202011401599.1A CN114577030A (en) 2020-12-02 2020-12-02 Heat exchange device and air conditioner
PCT/CN2021/122393 WO2022116674A1 (en) 2020-12-02 2021-09-30 Heat exchange device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011401599.1A CN114577030A (en) 2020-12-02 2020-12-02 Heat exchange device and air conditioner

Publications (1)

Publication Number Publication Date
CN114577030A true CN114577030A (en) 2022-06-03

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Country Link
CN (1) CN114577030A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428577A (en) * 2001-12-25 2003-07-09 乐金电子(天津)电器有限公司 Connecting device of heat exchanger of air conditioner
CN204177241U (en) * 2014-09-28 2015-02-25 美的集团武汉制冷设备有限公司 V-type heat exchanger and air-conditioner
CN104596156A (en) * 2015-02-04 2015-05-06 天津商业大学 Row-depth-variable fin heat exchanger
CN106759993A (en) * 2016-12-26 2017-05-31 武汉德欧节能科技有限公司 A kind of external heat insulating wall and construction method
CN106989503A (en) * 2017-05-10 2017-07-28 珠海格力电器股份有限公司 Centrifugal blower heat exchanger and apply its air conditioner
CN107062945A (en) * 2017-04-26 2017-08-18 珠海格力电器股份有限公司 A kind of heat exchanger and the air-conditioner outdoor unit with it
CN109974132A (en) * 2019-03-29 2019-07-05 美的集团武汉制冷设备有限公司 Heat exchanger assembly, the assembly method of heat exchanger assembly and air-conditioner outdoor unit
CN214223381U (en) * 2020-12-02 2021-09-17 广东美的暖通设备有限公司 Heat exchange device and air conditioner
CN214223380U (en) * 2020-12-02 2021-09-17 广东美的暖通设备有限公司 Heat exchange device and air conditioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1428577A (en) * 2001-12-25 2003-07-09 乐金电子(天津)电器有限公司 Connecting device of heat exchanger of air conditioner
CN204177241U (en) * 2014-09-28 2015-02-25 美的集团武汉制冷设备有限公司 V-type heat exchanger and air-conditioner
CN104596156A (en) * 2015-02-04 2015-05-06 天津商业大学 Row-depth-variable fin heat exchanger
CN106759993A (en) * 2016-12-26 2017-05-31 武汉德欧节能科技有限公司 A kind of external heat insulating wall and construction method
CN107062945A (en) * 2017-04-26 2017-08-18 珠海格力电器股份有限公司 A kind of heat exchanger and the air-conditioner outdoor unit with it
CN106989503A (en) * 2017-05-10 2017-07-28 珠海格力电器股份有限公司 Centrifugal blower heat exchanger and apply its air conditioner
CN109974132A (en) * 2019-03-29 2019-07-05 美的集团武汉制冷设备有限公司 Heat exchanger assembly, the assembly method of heat exchanger assembly and air-conditioner outdoor unit
CN214223381U (en) * 2020-12-02 2021-09-17 广东美的暖通设备有限公司 Heat exchange device and air conditioner
CN214223380U (en) * 2020-12-02 2021-09-17 广东美的暖通设备有限公司 Heat exchange device and air conditioner

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