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WO2009109112A1 - Échangeur de chaleur à flux parallèle pour un climatiseur - Google Patents

Échangeur de chaleur à flux parallèle pour un climatiseur Download PDF

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Publication number
WO2009109112A1
WO2009109112A1 PCT/CN2009/070190 CN2009070190W WO2009109112A1 WO 2009109112 A1 WO2009109112 A1 WO 2009109112A1 CN 2009070190 W CN2009070190 W CN 2009070190W WO 2009109112 A1 WO2009109112 A1 WO 2009109112A1
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WO
WIPO (PCT)
Prior art keywords
arc
parallel
heat exchanger
heat exchange
cross
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.)
Ceased
Application number
PCT/CN2009/070190
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English (en)
Chinese (zh)
Inventor
孙海潮
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2009109112A1 publication Critical patent/WO2009109112A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-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
    • F28D1/02—Heat-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
    • F28D1/04—Heat-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
    • F28D1/047—Heat-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
    • F28D1/0471—Heat-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 non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-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
    • F28D1/02—Heat-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
    • F28D1/04—Heat-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
    • F28D1/047—Heat-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
    • F28D1/0475—Heat-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
    • F28D1/0476—Heat-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 the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-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
    • F28D1/02—Heat-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
    • F28D2001/0253—Particular components
    • F28D2001/026—Cores
    • F28D2001/0273—Cores having special shape, e.g. curved, annular

Definitions

  • the present invention relates to a parallel flow heat exchanger dedicated to an air conditioner, and more particularly to a parallel flow heat exchanger dedicated to an air conditioner manifold. Background technique
  • the air conditioner heat exchangers currently known are generally classified into three types, a tube type, a tube type and a parallel flow type, depending on the tube shape and structure of the heat exchange tubes used, and the basic technical feature is that refrigeration requiring heat exchange is required.
  • the agent is introduced into the pipe which is formed into a certain shape, and the heat exchange is performed by heat exchange with the air outside the pipe while flowing, and in order to achieve the required heat exchange capacity, the heat-dissipating aluminum is also required to be welded outside the pipe.
  • the piece is equipped with a fan to force air convection.
  • the basic technical feature of the parallel flow heat exchanger is that a plurality of heat exchange flat tubes arranged in parallel are vertically connected between a pair of parallel arranged collecting tubes, and corrugated aluminum heat radiating fins are sandwiched between the heat exchange flat tubes.
  • the sheet is provided with a fan for forced air convection on one side of the heat exchange flat tube.
  • the refrigerant flows in parallel and orderly between the flat tubes under the barrier of the spacers in the header, and the heat exchange is achieved by heat exchange with the air outside the flat tubes while flowing.
  • the technical feature of the header is only available in the parallel flow heat exchanger. Its function is to collect the refrigerant into and out of the heat exchange flat tube, usually used in pairs.
  • the function of the heat exchange flat tube is to circulate.
  • the refrigerant exchanges heat with the outside air, and is usually composed of dozens of parallel arranged. Since the function of the header and the heat exchange flat tube in the parallel flow heat exchanger is different, the technical structure is inevitably substantially different. In terms of the quantity used, only one pair of parallel flow heat exchangers is required.
  • the collecting tube, and the number of heat exchange flat tubes is more than ten times that of the collecting tube. In terms of external structure, the cross-sectional area of the collecting tube is more than ten times larger than the cross-sectional area of the heat-exchange flat tube.
  • the heat exchange flat tube is usually a straight strip flat tube.
  • the heat exchange flat tube is also bent into an L shape or a circular arc shape, but the current flow tube in the parallel flow heat exchanger is a straight line.
  • the cylindrical tube that is, whether the shape of the chess surface is round, elliptical or rectangular, the central connecting line of the cross section is a straight line.
  • the parallel flow heat exchanger adopts a unique structure in which the header and the collecting pipe are vertically connected with a plurality of heat exchange flat tubes arranged in parallel, which is obvious compared with the tube-and-tube type heat exchanger. With the comprehensive advantages, there is a great potential to replace the tube-and-tube heat exchangers.
  • the current collecting tubes in the parallel flow heat exchangers are all straight-column tubes, that is, the central connecting line of the cross-section of the collecting tube is a straight line, which determines the parallel flow heat exchange.
  • the shape of the device can only be flat and straight.
  • the parallel flow heat exchanger can only be enlarged on the plane.
  • some heat exchanger applications have limited space and stricter restrictions on the heat exchanger plane. Planar straight-plate parallel flow heat exchangers designed with limited space are not able to meet the required heat exchange capacity.
  • the air conditioner heat exchanger needs to use forced air convection by the fan.
  • the inlet and outlet air outlets have a special structure, combined with a flat straight parallel flow heat exchanger. Forced air convection is less effective and does not achieve the desired heat exchange.
  • the prior art has a design in which a row of heat exchange flat tubes arranged in parallel in a parallel flow heat exchanger is uniformly curved, so that the parallel flow heat exchanger is formed into a curved shape to meet the use requirements of a specific occasion, but the heat exchange flat tube is used.
  • the functional role determines the shape of the cross-section as a super-flat rectangle, which also determines its use in parallel flow heat exchangers, usually in the order of dozens or more. If a curved shape is formed, it will cause refrigerant in it. The flow resistance is increased, causing the pressure drop in the circulation process to drop too much, the manufacturing technology is difficult, and the production cost is high.
  • the cross-flow fan is usually arranged horizontally, that is, the axis of the rotating shaft of the cross-flow fan impeller
  • the line is substantially parallel to the horizontal line.
  • the object of the present invention is to provide a parallel flow heat exchanger dedicated to an air conditioner in view of the above problems, and in such a parallel flow heat exchanger, it is sufficient in those places where the heat exchanger is limited in space. Utilizing the size and shape of the space and the special structure of the fan inlet and outlet vents, a parallel flow heat exchanger with sufficient heat exchange capacity and meeting the space size and shape is designed. When the refrigerant flows through the heat exchanger, it exchanges heat with the heat exchange flat tube having a large area of the heat radiating surface of the heat exchanger to achieve the desired heat exchange.
  • the heat exchanger of the present invention can be applied to heat exchange applications such as home air conditioners and automobile air conditioners.
  • a parallel flow heat exchanger dedicated to an air conditioner includes a row of heat exchange flat tubes arranged in parallel, and two ports of the heat exchange flat tubes arranged in parallel are vertically connected to a pair of headers, wherein: the collecting tubes are In the arc type, the connecting line of the center point of the cross section of the arc type collecting pipe is an arc, and the projection of the connecting line of the center point of the cross section of the pair of arc type collecting tubes is a parallel line structure when the line is a straight line.
  • the object of the invention can also be achieved in the following ways:
  • a parallel flow heat exchanger dedicated to an air conditioner comprising a row of heat exchange flat tubes arranged in parallel, arranged in parallel
  • the two ports of the heat exchange flat tube are vertically connected to a pair of collecting tubes, and the characteristic is: the collecting tube is an arc type, and the connecting line of the center point of the cross section of the arc type collecting tube is an arc, a pair of arc type
  • the projection of the connecting line at the center point of the cross section of the collecting tube is a parallel line structure when the line is straight, and the length of the arc of the arc is between zero and 25 times the arc height.
  • the object of the invention can also be achieved in the following ways:
  • a parallel flow heat exchanger dedicated to an air conditioner includes a row of heat exchange flat tubes arranged in parallel, and two ports of the heat exchange flat tubes arranged in parallel are vertically connected to a pair of headers, wherein: the collecting tubes are In the arc type, the connecting line of the center point of the cross section of the arc type collecting pipe is an arc, and the projection of the connecting line of the center point of the cross section of the pair of arc type collecting tubes is a parallel line structure, and the arc is The length of the string is between 1.1 times the arc height and 20 times the arc height.
  • the object of the invention can also be achieved in the following ways:
  • a parallel flow heat exchanger dedicated to an air conditioner includes a row of heat exchange flat tubes arranged in parallel, and two ports of the heat exchange flat tubes arranged in parallel are vertically connected to a pair of current collecting tubes, wherein: a pair of arc lines The projection of the connecting line at the center point of the cross section of the type of collecting tube is an intersecting structure when it is a straight line.
  • the object of the invention can also be achieved in the following ways:
  • a parallel flow heat exchanger dedicated to an air conditioner includes a row of heat exchange flat tubes arranged in parallel, and two ports of the heat exchange flat tubes arranged in parallel are vertically connected to a pair of headers, wherein: the collecting tubes are The triangular type, the connecting line of the center point of the cross section of the triangular collecting tube forms an angle, the angle is between 60 degrees and 160 degrees, and the projection of the connecting line of the center point of the cross section of the pair of triangular type collecting tubes is a straight line In a parallel line structure.
  • the object of the invention can also be achieved in the following ways:
  • a parallel flow heat exchanger dedicated to an air conditioner includes a row of heat exchange flat tubes arranged in parallel, and two ports of the heat exchange flat tubes arranged in parallel are vertically connected to a pair of headers, wherein: the collecting tubes are The triangular type, the connecting line of the center point of the cross section of the triangular collecting tube forms an angle, the angle is between 60 degrees and 160 degrees, and the projection of the connecting line of the center point of the cross section of the pair of triangular type collecting tubes is a straight line In an intersecting structure.
  • the refrigerant enters through an arc-shaped header on one side port of the heat exchange flat tubes arranged in parallel, flows through the parallel-arranged heat exchange flat tubes, and then passes through the arcs on the other side of the heat exchange flat tubes arranged in parallel
  • the air outside the heat exchange flat tube is heat exchanged under the forced convection of the fan to achieve the purpose of ideal heat exchange. Since the present invention is directed to a design of a header in a parallel flow heat exchanger, the present invention can also be used only in a heat exchanger having a parallel flow heat exchanger structure, so the arc type manifold is An essential technical feature of the invention.
  • the connecting line of the center point of the transverse section of the arc-shaped collecting pipe is an arc, which is a curved line of different arcs including a circular arc line and a combination thereof, and may also be a curved line and a straight line.
  • the technical feature is that the connecting line forming the center point of the transverse section of the arc-shaped collecting tube is a curved curve. Since the header is an arc-shaped header, it is combined with a straight-type heat exchange flat tube that does not need to be bent.
  • Parallel flow heat exchangers of many different structural shapes can be designed and manufactured to meet the requirements of various special spaces and special applications, greatly expanding the application range of parallel flow heat exchangers.
  • a parallel flow heat exchanger using an arc type manifold is an arc type parallel flow heat exchanger.
  • a pair of arc-shaped headers and straight-type heat exchange flat tubes can be combined into a plurality of arc-shaped parallel flow heat exchangers of different structural shapes, such as: a pair of arc-shaped collectors at the center point of the cross-section When the projection of the line is a straight line, it is a parallel line structure; the projection of the connecting line of the center point of the cross-section of the pair of arc-shaped collecting tubes is a coincident structure along a long line of a straight line; the center of the cross-section of a pair of arc-shaped collecting tubes When the projection of the connecting line of the point is a straight line, there is an intersecting structure, etc., and the structures of different shapes can be designed according to the opposite direction of the arc-shaped collecting tube of the pair of arcs, the phase, the opposite direction, and the like, and a plurality of different structures are designed.
  • the arc-type parallel flow heat exchanger formed by the different shapes of the arc type manifold has different heat exchange capacities, and the difference is large, and the applicable occasions are also different, many of which are different.
  • the shape of the parallel flow heat exchanger does not achieve the object of the present invention, and the arc type header is designed as
  • the projection of the connecting line at the center point of the cross-section of the arc-shaped manifold is a parallel line structure when it is a straight line", which is the most effective structure among all the structural shapes capable of achieving the object of the present invention.
  • the arc type collector is designed as
  • the projection of the connecting line at the center point of the cross-section of the arc-shaped manifold is an intersecting structure when it is a straight line
  • the invention eliminates the technical feature of welding the heat radiating fins outside the heat exchange flat tube, and thus the number of the flat tubes can be increased to expand the heat exchange capacity.
  • Combining the present invention with a straight column type header it can be designed as a parallel flow heat exchanger of the L type header.
  • a parallel flow heat exchanger using a triangular header is a triangular parallel flow heat exchanger.
  • the triangular type means that the collecting pipe forms an angle, and the connecting line between the center point connecting line of the cross section of the collecting pipe and the two end points of the connecting line is formed in a triangular shape.
  • a pair of triangular type collecting tubes and heat exchange flat tubes can be combined into a plurality of triangular parallel flow heat exchangers of different structural shapes, and the combination thereof is the same as that of the above pair of arc type collecting tubes.
  • the center point connecting line of the cross section of the header is continuously designed by the present invention to be formed into a plurality of angles, the collecting tube becomes a polygonal collecting tube.
  • the triangular parallel flow heat exchangers formed by different structural shapes have different heat exchange capacities, and the difference is large, and the applicable applications are also different.
  • the triangular current collecting tube is designed such that "the projection of the connecting line of the center point of the transverse section of the pair of triangular type collecting tubes is a parallel line structure when the straight line is straight", and all of these can achieve the object of the present invention.
  • the structure with the best effect in the structure shape, and the triangular current collector is designed as "the intersecting structure when the projection of the connecting line of the center point of the cross section of the triangular manifold is a straight line", which is a clock to a certain
  • the design of these special applications has the ability to replace other shapes and structures.
  • the arc shape the design of the triangular manifold, the arc of the arc, the angle of the angle of the triangle, depending on the structure of the fan inlet and outlet and the space allowed for the specific forced air convection in practical applications, choose one or combine them together and use them in combination with existing parallel flow heat exchangers for better heat exchange.
  • the length of the arc of the arc is between zero and 25 times the arc height" is an indispensable technical feature of the invention.
  • the length of the arc of the arc determines the length of the string.
  • the arc shape of the arc-shaped collecting pipe, the length of the string should be determined according to the structure of the fan used with it, the string can be designed very short, when the length of the string is zero, the arc-shaped collecting pipe becomes The circular manifold is used, and the fan used with it can be inserted into the side of the parallel flow heat exchanger composed of the arc type collecting tube, and is installed and arranged.
  • the strings are not too long. Otherwise, the heat exchange capacities in the respective regions of the arc-type parallel flow heat exchanger formed are largely different, resulting in insufficient overall heat exchange capacity, and the object of the present invention cannot be achieved.
  • the angle formed by the connecting line at the center point of the cross section of the header is between 60 degrees and 160 degrees
  • the angle between the angles is too small or too large, and the effect of forced air convection by the fan will be very poor.
  • the heat exchange capacity in each area of the triangular parallel flow heat exchanger formed is quite different, and it is impossible to achieve the required heat. The exchangeability, and thus the object of the invention, is not achieved.
  • the preferred angle values recommended by the present invention are 90 degrees, 120 degrees, and 150 degrees.
  • the cross-sections of the arc-shaped header and the triangular-shaped header may have an elliptical shape, a rectangular shape, a circular shape, or the like, regardless of the type, because the cross-sectional area of the cross-section is larger than that of the cross-section of the heat-exchange flat tube.
  • the area is more than ten times larger, and the number of collectors used in a parallel flow heat exchanger is only two, only one tenth or even one tenth of the number of heat exchange flat tubes, so it will be set.
  • the flow tube is designed in an arc shape, which has almost no influence on the flow resistance of the refrigerant, and the parallel flow heat exchanger formed by the combination of the arc type manifold and the straight type heat exchange flat tube can make the heat exchange flat tube Arranged in parallel in the horizontal direction, the flow of the refrigerant in the flat tube is maintained horizontally, and the heat exchange flat tube of the parallel flow heat exchanger fabricated by the method of bending the heat exchange flat tube can only be used with the rotating shaft of the cross flow fan impeller.
  • the axial lines are arranged in parallel in the vertical direction, and the refrigerant must continuously rise and fall during the flow of the flat tubes to reduce the heat exchange capability.
  • the present invention has the following main features:
  • the present invention can be used for the inlet and outlet of the fan without changing the size of the existing space, especially for the inlet and outlet of the cross flow fan.
  • the design features a parallel flow heat exchanger with a higher heat exchange capacity and a higher heat exchange efficiency.
  • each heat exchange flat tube arranged in parallel can be arranged in parallel with the axial line of the rotating shaft of the cross flow fan impeller.
  • Figure 1 is a schematic view showing the structure of an arc type parallel flow heat exchanger according to the present invention.
  • Figure 2 is a side elevational view of Figure 1.
  • Fig. 3 is a schematic view showing the structure of a triangular parallel flow heat exchanger according to the present invention.
  • Figure 4 is a side elevational view of Figure 3. detailed description
  • 1 is a refrigerant inlet pipe
  • 2 is an arc-shaped current collector orthographic projection center line
  • 3 is an arc-shaped current collecting pipe
  • 4 is a heat exchange flat pipe
  • 5 is an arc-shaped current collecting pipe orthographic projection center line.
  • 6 is an arc type manifold
  • 7 is a connecting line of the center point of the arc type collector side projection
  • 8 is a string
  • 9 is an arc height
  • 10 is a spacer
  • 11 is a refrigerant outlet pipe
  • 12 is Angle.
  • This embodiment is an embodiment of the arc type parallel flow heat exchanger of the present invention as an air conditioner condenser application: see Fig. 1 and Fig. 2.
  • Figure 2 clearly shows the construction of the arc-type header.
  • 3 and 6 are a pair of arc-shaped headers, 2 is the orthographic centerline of the arc-shaped header 3, and 5 is the orthographic centerline of the arc-shaped header 6.
  • 5 in the figure and 5 in the figure are a pair of parallel lines, which is a specific structure of a pair of arc-shaped headers 3 and 6, and the practical application can also be arranged as an intersecting structure.
  • a pair of parallel-arranged heat exchange flat tubes 4 are vertically connected between 3 and 6, in which ⁇ is a connecting line of the arc-shaped current collecting tube 3, 6 side projection center point, that is, an arc-shaped manifold cross section
  • the connecting line of the center point is a section of an arc, and the technical significance thereof is that the connecting line forming the center point of the transverse section of the arc-shaped collecting tube is a curved curve.
  • the collecting pipe of this embodiment is a rectangular parallelepiped collecting pipe, that is, the cross-section of the collecting pipes 3, 6 is rectangular.
  • the straight line distance between the two ends of the connecting line ⁇ of the side projection center point of the arc-shaped current collecting tubes 3, 6 is the chord line 8, and the midpoint of the connecting line 7 of the arc-shaped collecting tube 3, 6 side projection center point is
  • the midpoint distance of the string 8 is an arc height of 9, because the connecting line of the center point of the cross section of the arc type collecting tube is a curved curve, and the curve is not necessarily symmetrical as the curve combination is different.
  • the midpoint of the connecting line 7 of the arc-shaped header 3, 6 side projection center point should be one-half of the connecting line 7 of the arc-shaped header 3, 6-side projection center point.
  • the high temperature, high pressure refrigerant gas from the compressor enters the arc type header 3 through the refrigerant inlet pipe 1 on the arc type header 3, and under the barrier of the separator 10, flows the heat exchange flat tube 4, and flows Go to the arc-shaped header 6 on the other side of the flat tube, and then, under the action of the spacer 10, return to the arc-shaped header 3 flowing into the other port through the lower heat exchange flat tube. Then returning to the arc-shaped header 6 flowing into the other port, the refrigerant exchanges heat with the air outside the flat tube by repeatedly flowing back and forth in the flat tube, continuously releasing heat and finally being condensed into a liquid until It flows out through the refrigerant outlet pipe 11 on the header 6.
  • a fan When used as a heat exchanger, a fan is also required to perform forced air convection heat exchange on the condenser.
  • the fan is disposed inside the curved shape of the present invention, surrounded by the present invention, and the arc of the arc type header 3, 6
  • the shape should be set according to the condition of the fan inlet and outlet.
  • a heat exchange flat tube of each part of the parallel flow heat exchanger formed by the arcuate manifold is used to obtain a relatively uniform air volume.
  • the spacers 10 in the arc-type headers 3, 6 are provided for controlling the amount of the heat exchange flat tubes that can be supplied into the refrigerant each time, that is, the flow rate of the refrigerant, and how many spacers and each piece are required to be implemented.
  • This embodiment is an embodiment of the arc type parallel flow heat exchanger as an air conditioner condenser application, and is not substantially different from the application as an air conditioner evaporator.
  • the implementation of the triangular parallel flow heat exchanger and the arc type parallel flow heat exchanger There is no essential difference in the implementation of this, and reference can be made to the implementation.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention porte sur un échangeur de chaleur à flux parallèle pour un climatiseur, incluant une rangée de tubes plats d'échange de chaleur (4) agencés en parallèle. Deux extrémités desdits tubes plats d'échange de chaleur (4) sont verticalement reliées à une paire de conduits collecteurs de chaleur (3, 6). Les conduits collecteurs de chaleur (3, 6) sont en forme d'arc ou triangulaires. Au niveau des points centraux des sections transversales des conduits collecteurs de chaleur en forme d'arc, les conduites de raccordement (7) sont des lignes en forme d'arc. Au niveau des points centraux des sections transversales des conduits collecteurs de chaleur triangulaires, les conduites de raccordement forment un angle (12). Les projections desdites conduites de raccordement forment une structure de lignes parallèles ou une structure de lignes qui s'entrecroisent.
PCT/CN2009/070190 2008-03-03 2009-01-16 Échangeur de chaleur à flux parallèle pour un climatiseur Ceased WO2009109112A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNA2008100654541A CN101251319A (zh) 2008-03-03 2008-03-03 一种专用于空调机的平行流热交换器
CN200810065454.1 2008-03-03

Publications (1)

Publication Number Publication Date
WO2009109112A1 true WO2009109112A1 (fr) 2009-09-11

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Application Number Title Priority Date Filing Date
PCT/CN2009/070190 Ceased WO2009109112A1 (fr) 2008-03-03 2009-01-16 Échangeur de chaleur à flux parallèle pour un climatiseur

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CN (1) CN101251319A (fr)
WO (1) WO2009109112A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011156700A3 (fr) * 2010-06-12 2012-07-19 A.O. Smith Corporation Échangeur de chaleur à micro-canaux approprié pour chauffe-eau à pompe à chaleur et son procédé de fabrication
CN114025592A (zh) * 2021-12-06 2022-02-08 常州品睿电子科技有限公司 蚀刻微通道式热交换器

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* Cited by examiner, † Cited by third party
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CN106017167B (zh) * 2016-06-08 2018-03-09 中国航天空气动力技术研究院 一种适用于圆环腔体布置的环路热管的冷凝器
CN107782018B (zh) 2016-08-26 2023-10-31 丹佛斯微通道换热器（嘉兴）有限公司 换热器、换热器模块以及空调系统
CN115880670B (zh) * 2022-12-14 2025-06-20 长三角哈特机器人产业技术研究院 图像中的三角形检测方法及停车位检测系统

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