WO2019056855A1 - Ensemble d'échange de chaleur, système d'échange de chaleur, et système de chauffage intérieur - Google Patents

Ensemble d'échange de chaleur, système d'échange de chaleur, et système de chauffage intérieur Download PDF

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Publication number
WO2019056855A1
WO2019056855A1 PCT/CN2018/097775 CN2018097775W WO2019056855A1 WO 2019056855 A1 WO2019056855 A1 WO 2019056855A1 CN 2018097775 W CN2018097775 W CN 2018097775W WO 2019056855 A1 WO2019056855 A1 WO 2019056855A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
tube
header
exchange tube
heat
Prior art date
Application number
PCT/CN2018/097775
Other languages
English (en)
Chinese (zh)
Inventor
崔凯
王一鸣
门书标
Original Assignee
杭州三花家电热管理系统有限公司
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.)
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Publication date
Priority claimed from CN201710855656.5A external-priority patent/CN107504837A/zh
Priority claimed from CN201710851215.8A external-priority patent/CN107677147B/zh
Priority claimed from CN201721212397.6U external-priority patent/CN207610569U/zh
Priority claimed from CN201710855182.4A external-priority patent/CN107504836A/zh
Priority claimed from CN201820309642.3U external-priority patent/CN208155106U/zh
Application filed by 杭州三花家电热管理系统有限公司 filed Critical 杭州三花家电热管理系统有限公司
Publication of WO2019056855A1 publication Critical patent/WO2019056855A1/fr

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    • 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

Definitions

  • the invention relates to the field of heat exchange technology, in particular to a heat exchange component, a heat exchange system and an indoor heating system.
  • the invention provides an improved heat exchange component, a heat exchange system and an indoor heating system.
  • the heat exchange assembly includes a header portion and a plurality of heat exchange tubes arranged along an axial direction of the header portion; two ends of the heat exchange tube are respectively connected to the header portion, The inner cavity of the heat exchange tube is in communication with the inner cavity of the header portion; at least one of the width directions of at least one of the heat exchange tubes is substantially parallel to the axial direction of the header portion, at least one of the exchanges
  • the heat pipe is formed with a main heat transfer surface, the main heat transfer surface extending along a length direction and a width direction of the heat exchange tube and substantially parallel to an axial direction of the header portion; at least the heat exchange tube a heat exchange member is disposed on one side, at least a portion of the heat exchange member is in contact with the main heat transfer surface of at least one of the heat exchange tubes, and the heat exchange member is internally and adjacent to the two heat exchange members A heat exchange passage is formed between them.
  • the heat exchange component is a fin
  • the fin is provided with at least two side walls, a top wall connecting one ends of two adjacent side walls, and a bottom connecting the other two adjacent side walls at the other end.
  • a wall, the top wall and the bottom wall are alternately disposed, the top wall is provided with a top end surface, the bottom wall is provided with a bottom end surface, and at least one of the top end surface and the bottom end surface is coupled to the heat exchange
  • the tube is in contact with each other, and the heat exchange passage is formed between two adjacent side walls;
  • the fin has a rectangular wave shape, a sinusoidal wave shape or a triangular wave shape.
  • the heat exchange component is a profile, the profile includes a base and an extension extending from opposite sides of the base away from the base, the base being in contact with the heat exchange tube, the profile Separated by a distance, the heat exchange passage is formed between two adjacent extensions.
  • the heat exchange channel has a height ranging from 20 mm to 200 mm; and the heat exchange channel has a length ranging from 10 mm to 50 mm.
  • the heat exchange channel has a height ranging from 40 mm to 80 mm; and the heat exchange channel has a length ranging from 20 mm to 25 mm.
  • the heat exchange component is connected to the heat exchange tube by at least one of brazing, interference fit, and snapping; or the two heat exchange components are connected by a connecting member, and the A heat pipe is sandwiched between the two heat exchange members.
  • the heat exchange tube includes a main body segment, a final segment connected to the collecting pipe portion, and a reversing segment connecting the main body segment and the end segment; the collecting pipe portion is provided with The mounting hole of the end section is inserted, and the length direction of the mounting hole is perpendicular to the axial direction of the header portion.
  • the reversing segment has a predetermined angle between the end segment and the width direction of the main body segment, and the preset angle is 90°.
  • an inlet pipe and an outlet pipe are connected to the collecting pipe portion, the inlet pipe is located at one end of the collecting pipe portion, and the outlet pipe is located at the other end of the collecting pipe portion;
  • the inlet pipe and the outlet pipe are connected to the header portion by an adapter.
  • the adapter includes a first adapter portion, a second adapter portion, and a third adapter portion, at least part of the first adapter portion being disposed in the header portion and The header portion is welded; one end of the second adapter portion is connected to the first adapter portion, and the other end of the second adapter portion is connected to the third adapter portion, the inlet tube or At least a portion of an outer wall surface of the outlet tube is coupled to an inner wall surface of the second adapter portion.
  • the adapter is the same material as the header portion.
  • the heat exchange assembly further includes a casing, wherein a heat exchange space is formed in the casing, at least a portion of the heat exchange tube is received in the heat exchange space; and the casing includes a top wall and a bottom wall, and Connecting the sidewalls of the top wall and the bottom wall, the bottom wall is provided with a first through hole, and the top wall is provided with a second through hole.
  • one end of the heat exchange channel is adjacent to the second through hole, and the other end is adjacent to the first through hole.
  • the sidewall includes a front sidewall and a rear sidewall, and the heat exchange tube is in contact with the front sidewall, and a gap is left between the heat exchange tube and the rear sidewall.
  • the front side wall is provided with a protrusion protruding toward the heat exchange tube.
  • the heat exchange tube is a flat tube.
  • a partition is disposed inside the collecting pipe portion; the collecting pipe portion includes a first cavity and a second cavity separated by the partition, and the communicating with the first cavity
  • the number of heat exchange tubes is greater than the number of the heat exchange tubes that are in communication with the second chamber.
  • the collecting pipe portion includes a first collecting pipe and a second collecting pipe, the first end of the heat exchange pipe is connected to the first collecting pipe, and the second heat exchange pipe is second The end is connected to the second header, and the inner cavity of the heat exchange tube is in communication with the inner cavity of the first header and the second header.
  • the heat exchange tube comprises a plurality of first heat exchange tubes and a plurality of second heat exchange tubes; the inner cavity of the first heat exchange tubes is in communication with the inner cavity of the collecting tube portion, The inner cavity of the second heat exchange tube is in communication with the inner cavity of the header portion; the first heat exchange tube and the second heat exchange tube are disposed in parallel, and the first heat exchange tube and the An accommodating space is formed between the second heat exchange tubes, the heat exchange component is located in the accommodating space, and the first heat exchange tube has a first main heat transfer surface opposite to the second heat exchange tube
  • the second heat exchange tube has a second main heat transfer surface opposite to the first heat exchange tube, at least a portion of the heat exchange member and a first main heat transfer surface of the first heat exchange tube And contacting the second main heat transfer surface of the second heat exchange tube, the heat exchange member dividing at least a portion of the accommodating space into the heat exchange passage.
  • the heat exchange channel extends in an up and down direction.
  • the heat exchange component includes a set of fins, at least a portion of a top wall of the fin is in contact with a first main heat transfer surface of the first heat exchange tube, and a bottom wall of the fin At least a portion is in contact with the second main heat transfer surface of the second heat exchange tube.
  • the heat exchange component comprises two sets of fins, wherein at least part of a top wall of one set of the fins is in contact with a first main heat transfer surface of the first heat exchange tube, and another set of At least a portion of the bottom wall of the fin is in contact with the second main heat transfer surface of the second heat exchange tube.
  • the heat exchange assembly is further provided with a clamping member, the clamping member is provided with a connecting portion, a first clamping arm extending from one end of the connecting portion, and the other end from the connecting portion a second clamping arm extending in the same direction with the first clamping arm; the first clamping arm and the second clamping arm cooperating to top a top of the fin that is in contact with the first heat exchange tube The wall and the bottom wall of the fin in contact with the second heat exchange tube are clamped and fixed.
  • the heat exchange assembly further includes an outer heat dissipating component, the first heat exchange tube having a third main heat transfer surface opposite to the first main heat transfer surface, the second heat exchange tube Having a fourth primary heat transfer surface opposite the second primary heat transfer surface; at least a portion of the outer heat-displaceable component is in contact with the third primary heat transfer surface, and/or the outer heat of replacement At least a portion of the component is in contact with the fourth primary heat transfer surface.
  • the outer heat-dissipating component and the heat-exchange component are symmetrically disposed based on the first heat exchange tube; or the outer heat-dissipating component and the heat exchange component are symmetric based on the second heat exchange tube Settings.
  • the current collecting pipe portion includes a third collecting pipe and a fourth collecting pipe; the first end of the first heat exchange pipe is connected to the third collecting pipe, and the first heat exchange
  • the inner cavity of the tube is in communication with the inner cavity of the third header, the first end of the second heat exchange tube is connected to the fourth header, and the inner cavity of the second heat exchange tube is
  • the inner cavity of the fourth header is in communication, and the second end of the first heat exchange tube and the second end of the second heat exchange tube are connected by a commutating portion, the first heat exchange tube
  • the inner cavity and the inner cavity of the second heat exchange tube are in communication with the inner cavity of the commutating portion.
  • first heat exchange tube, the second heat exchange tube and the reversing portion are integrally formed flat tubes.
  • the collecting pipe portion includes a fifth collecting pipe, a sixth collecting pipe, a seventh collecting pipe, and an eighth collecting pipe, wherein the fifth collecting pipe is disposed at the first heat exchange One side of the tube, the sixth header is disposed on the opposite side of the first heat exchange tube, and one end of the first heat exchange tube is connected to the fifth header, the first The inner cavity of the heat exchange tube is in communication with the inner cavity of the fifth header, the other end of the first heat exchange tube is connected to the sixth header, the inner cavity of the first heat exchange tube is The inner cavity of the sixth header is connected; the seventh header is disposed at one side of the second heat exchange tube, and the eighth header is disposed at the opposite side of the second heat exchange tube a side, the one end of the second heat exchange tube is connected to the seventh header, the inner cavity of the second heat exchange tube is in communication with the inner cavity of the seventh header, the second heat exchange The other end of the tube is connected to the eighth header, and the inner chamber of the second heat exchange tube is in communication with the inner chamber of the eighth header,
  • the heat exchange component further includes a fluid driving device disposed above the header portion, the heat exchange tube, and the heat exchange component.
  • the heat exchange assembly is provided with at least two fluid driving devices and a fixing frame for fixing the at least two fluid driving devices, the at least two fluid driving devices along the length of the heat exchange tube Arrange in the direction.
  • the heat exchange assembly further includes a casing, the casing is provided with a top wall and at least one first opening penetrating the top wall, and the fixing bracket is detachably mounted on the top of the casing, the fluid driving device Provided above the first opening.
  • the outer casing is provided with a front wall and a rear wall opposite to the front wall
  • the fixing frame is provided with a front frame wall fixed to the outer surface of the front wall and fixed to the outer surface of the rear wall Frame wall.
  • the heat exchange assembly further includes a gasket between the fixing frame and the outer casing, the gasket being fixed between the front wall and the front frame wall and/or the rear Between the wall and the rear frame wall.
  • the heat exchange component is further provided with a receiving tray at a bottom end of the heat exchange channel, the receiving tray is provided with a bottom plate and a blocking wall extending upward from an edge of the bottom plate, the bottom plate or the blocking wall There is a through drain section on the top.
  • the plane of the bottom plate is disposed at an angle between the plane and the horizontal plane.
  • one end of the bottom plate away from the heat exchange tube is provided with a drainage portion that penetrates up and down.
  • the outer casing is further provided with a second opening under the collecting pipe portion, the heat exchange tube and the heat exchange component, the receiving disk is detachably mounted on the bottom end of the outer casing, and the The inner cavity of the receiving tray is opposite to the second opening.
  • the heat exchange system includes a pipeline-connected compressor, a first heat exchange component, a throttle device, and a second heat exchange component, wherein the first heat exchange component or the second heat exchanger component of the heat exchange system For the above heat exchange equipment.
  • the heat exchange system further includes a reversing device in communication with the compressor, the reversing device being switchable to communicate with the first heat exchange component or the second heat exchange component.
  • the indoor heating system is characterized in that it comprises the heat exchange component, and the heat exchange component serves as a condenser of an indoor unit.
  • FIG. 1 is an exploded view of a heat exchange assembly in accordance with an exemplary embodiment of the present invention.
  • FIG. 2 is an exploded view of a heat exchange assembly shown in another exemplary embodiment of the present invention.
  • FIG. 3 is a schematic view showing the structure of a header portion, a heat exchange tube, and a heat exchange member in a heat exchange assembly shown in FIG. 1.
  • FIG. 4 is a schematic view showing the structure of a heat exchange member in a heat exchange assembly shown in FIG.
  • Figure 5 is a partial structural view of a heat exchange tube in an exemplary embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a local heat exchange tube and a header portion connected in an exemplary embodiment of the present invention.
  • Figure 7 is a schematic illustration of a connector shown in an exemplary embodiment of the invention.
  • Figure 8 is an exploded view of a heat exchange assembly, shown in an exemplary embodiment of the present application.
  • Figure 9 is a schematic view showing the structure of the heat exchange tube, the header portion, and the heat exchange member shown in an exemplary embodiment of Figure 8.
  • FIG. 10 is a schematic structural view showing a heat exchange tube, a header portion, and a heat exchange member according to another exemplary embodiment of the present application.
  • FIG. 11 is a schematic structural view showing two sets of heat exchange components disposed in a heat exchange tube according to an exemplary embodiment of the present application.
  • FIG. 12 is an exploded view of a heat exchange component disposed outside a heat exchange tube in a heat exchange assembly according to an exemplary embodiment of the present application.
  • FIG. 13 is a schematic structural view showing a heat exchange tube, a header portion, and a heat exchange member connection according to still another exemplary embodiment of the present application.
  • FIG. 14 is an exploded view of a heat exchange assembly shown in still another exemplary embodiment of the present application.
  • FIG. 15 is a schematic perspective view of a heat exchange device according to still another exemplary embodiment of the present invention.
  • FIG. 16 is a perspective view of the heat exchange device after removing the front case according to still another exemplary embodiment of the present invention.
  • Figure 17 is a partially exploded perspective view of a heat exchange device according to still another exemplary embodiment of the present invention.
  • FIG. 18 is a perspective view of a holder of a heat exchange device according to still another exemplary embodiment of the present invention.
  • Fig. 19 is a view showing a state of use of the holder shown in Fig. 18.
  • FIG. 20 is a schematic structural view of a driving device of a heat exchange device according to a first embodiment of the present invention.
  • Figure 21 is a schematic view showing the operation of the heat exchange system of the present invention.
  • the internal cavities of the two components are also in communication with each other.
  • the inner tube is disposed in the current collecting tube portion and the heat exchange tube for circulating the heat exchange medium, and when the current collecting tube portion and the heat exchange tube are connected to each other, the inner cavity of the collecting tube portion communicates with the inner cavity of the heat exchange tube.
  • Embodiments of the present invention may complement each other without conflict.
  • FIG. 1 and FIG. 2 are schematic views of a heat exchange assembly of the present invention.
  • the heat exchange assembly includes a header portion 1, a heat exchange tube 2, a heat exchange member 3, and a casing 8.
  • the heat exchange tube 2 may be a commonly used flat tube, such as a microchannel flat tube, and the microchannel is flat.
  • the inside of the tube is provided with at least two flow passages extending along the length direction of the flat tube, and the cross-sectional shape of the flow passage may be quadrilateral (such as but not limited to rectangular, trapezoidal), circular, elliptical, triangular, and the like. It is also possible that the general shape with serrations is a quadrangle, a circle, an ellipse or a triangle.
  • a heat exchange space 81 is formed in the outer casing 8, and the heat exchange tube 2 is at least partially housed in the heat exchange space 81.
  • the header portion 1 may or may not be disposed in the heat exchange space 81, and the present invention is not limited
  • the outer casing 8 has a rectangular parallelepiped shape, and includes a top wall 82, a bottom wall 83, and side walls 84 connecting the top wall 82 and the bottom wall 83.
  • the side wall 84 is configured to connect the top wall 82 and the bottom wall 83 to enclose the heat exchange space 81.
  • the top wall 82, the bottom wall 83, and the side wall 84 may be separated or partially integrated. This embodiment does not limit this.
  • a first through hole 831 (only a portion is shown) is opened on the bottom wall 83.
  • the top wall 82 and the bottom wall 83 may be a straight iron plate, and the top wall 82 defines a second through hole 821.
  • the first through hole 831 and the second through hole 821 may be formed.
  • a mesh hole on the iron piece As a whole, the direction of the connection between the first through hole 831 and the second through hole 421 is substantially the same as the flow direction of the air, thereby facilitating the flow of air.
  • the air enters the heat exchange space 81 from the first through hole 831 at the bottom of the outer casing 8 to exchange heat with the heat exchange tube 2 and the heat exchange member 3 to form a rising convection, and the heated air rises from the said The two through holes 821 flow out. Since the outer casing 8 can shield the external airflow, the air exchanged with the heat exchange tube 2 and the heat exchange member 3 can form a stable rising convection, and the heat transfer resistance between the heat exchange tube 2 and the air is reduced, and then The heat exchange effect of the heat exchange component with air can be improved. At the same time, the heat exchange tube 2 and the heat exchange member 3 directly exchange heat with the air, and the heat transfer temperature difference with the air is larger, the air flow rate is increased, and the heat exchange capability of the heat exchange component can be further improved.
  • the side wall 84 includes a front side wall 841 and a rear side wall 842 located at the front and rear of the heat exchange tube 2, and a part of the side wall at the left and right ends of the heat exchange tube 2.
  • the heat exchange tube 2 can be in contact with the front sidewall 841 for the purpose of increasing the temperature of the front sidewall 841, thereby improving the radiation dissipation capability of the front sidewall 841.
  • some protrusions 843 toward the heat exchange tube 2 may be pressed on the front side wall 841 (see FIG. 3)
  • the protrusion 843 is used to contact at least part of the heat exchange tube 2, and the outer casing 8 can be made more beautiful.
  • the front side wall 841 faces the indoor space
  • the rear side wall 842 faces the wall.
  • the inventors have found that since the heat exchange tube 2 is in contact with the rear side wall 842, the temperature of the rear side wall 842 rises.
  • the problem of hot corners in the wall voids does not allow good heat transfer with the air, which can result in heat loss and heat waste.
  • a space gap is provided between the heat exchange tube 2 and the rear side wall 842, so that the heat dead angle can be eliminated.
  • a heat exchange member 3 (described in detail later) may be disposed between the heat exchange tube 2 and the front side wall 841, and the heat exchange member 3 may be disposed in contact with the front side wall 841 to enable the heat exchange unit 3 to
  • the front side wall 841 performs heat transfer to improve the radiation heat dissipation capability.
  • the heat exchange member 3 may not be in contact with the front side wall 841, and the outer casing 8 is only used to form the heat exchange space 81.
  • the header portion 1 includes a first header and a second header, and the first header and the second header are provided along the same Two or more of the heat exchange tubes 2 disposed axially of the first header and the second header, the inner chamber of the heat exchange tube 2 and the first header and the first
  • the inner chamber of the second header is in communication, and the width direction of the heat exchange tube 2 is the same as the axial direction of the header portion (up and down direction in Fig. 1).
  • One end of the heat exchange tube 2 is connected to the first header, and the other end is connected to the second header, and is disposed in a single row in the axial direction of the header portion 1.
  • the heat exchange member 3 is provided on at least one side of the heat exchange tube 2, and for example, the heat exchange member 3 is provided on the front and rear sides in FIG.
  • the contact surface of the heat exchange member 3 is at least partially in contact with the main heat transfer surface of the heat exchange tube 2 (the main heat transfer surface is a surface that is in contact with the heat exchange member 3 and is mainly used for heat conduction with the heat exchange member 3).
  • the surface is formed to extend along the longitudinal direction and the width direction of the heat exchange tube, wherein the contact surface of the heat exchange member 3 faces the surface of the heat exchange tube 2, and is capable of contacting heat transfer with the main heat transfer surface.
  • the high-temperature refrigerant flowing through the heat transfer tubes 2 passes through the heat exchange tubes 2 to transfer heat to the heat exchange members 3, respectively.
  • the heat exchange component 3 is used to increase the heat exchange area, and various shapes can be adopted.
  • the cross section of the heat exchange member 3 (the cross section refers to the cross section of the heat exchange member 3) may have a rectangular wave shape, a sinusoidal wave shape, or a triangular wave shape (corner portions are rounded).
  • the material of the heat exchange member 3 may be a metal material such as aluminum alloy or iron.
  • the heat exchange member 3 and the heat exchange tube 2 can be fixed by means of mechanical connection instead of the brazing method, and the operation is simple and easy to replace.
  • the heat exchange passage 31 is formed between the heat exchange member 3 and the adjacent two of the heat exchange members 3 for heat exchange with air, thereby ensuring a heat exchange area and reducing heat exchange components 3
  • the number of installations reduces the production cost, and at the same time, there are many types of heat exchange components to be selected, and it is not necessary to directly produce the heat exchange components matched with the heat exchange tubes 2.
  • the structure of the heat exchange member 3 will be described below with reference to two embodiments shown in Figs. 3 and 4. Of course, the structure of the heat exchange member 3 is not limited to the following embodiments.
  • the heat exchange members 3 are spaced apart profiles 33 for use in the heat exchange assembly shown in FIG.
  • the profile 33 can be fixed to the heat exchange tube 2 by mechanical connection such as snapping, fixing, or the like.
  • the profiles 33 may have different shapes to facilitate good heat transfer with the heat exchange tubes 22.
  • the profile 33 may be arranged along the arrangement direction of the heat exchange tubes 2 (up and down direction in FIG. 3, a plurality of heat exchange tubes 2 are arranged at intervals), and the length of the profile 33 may be determined according to requirements, and may be arranged along the arrangement.
  • a profile 33 is disposed in contact with all of the heat exchange tubes 2, or may be a combination of a plurality of profiles (the length of the plurality of profile combinations is equivalent to the length of the heat exchange tubes, which may be slightly longer or shorter) in the direction of the arrangement. It is in contact with the heat exchange tube 2.
  • the profiles 33 are arranged on the heat exchange tubes 2 at intervals along the longitudinal direction (left-right direction) of the heat exchange tubes 2.
  • the profile 33 includes a base 331 and an extension 332 extending from opposite sides of the base 331 away from the base 331 as the main heat with the air. Exchange heat exchange surfaces.
  • the base 331 is configured to be in contact with the heat exchange tube 2, and can pass through a gap between two adjacent heat exchange tubes 2 through a fixing member such as a rivet, and connect the symmetrical profiles on both sides of the heat exchange tube 2.
  • the profile 33 may not be symmetrical, and is fixed to the heat exchange tube 2 by snapping on the profile 33 by means of a snap fastener or the like.
  • the inside of the profile 33 that is, the two adjacent extensions 332 may be enclosed as the heat exchange passage 31, along the direction in which the profiles 33 are arranged, between the adjacent two profiles 33.
  • the heat exchange passage 31 (the space in which the distance 332 of the adjacent two profiles 33 is enclosed by a distance Y) may be formed, and the plurality of profiles 33 form a set of the heat exchange members 3, at least part of the heat
  • the exchange space 81 (see Fig. 1) is divided into a plurality of the heat exchange passages 31.
  • the profile 33 has an open cross section. In other embodiments, the profile of the profile 33 may also be closed. For example, the profile 33 has a rectangular cross section. That is, the profile 33 may have a different shape to facilitate good heat transfer with the heat exchange tube 2.
  • the heat exchange member 3 is in contact with the heat transfer tube 2 to transfer heat and exchange heat with air.
  • the profile 33 is used as a heat exchange component to facilitate connection with the heat exchange tube, and the brazing can be replaced by a mechanical connection, which can save processing costs.
  • the profile does not need to be deliberately processed compared to the specific heat exchange component formed by bending, and can be directly used, and has the advantage of convenient material selection. On the basis of securing a certain number of heat exchange passages 31, the amount of heat exchange member 3 used can be reduced, and the production cost can be reduced.
  • Fig. 4 is a schematic view showing the upper half of the heat exchange member 3 in another embodiment, applied to the heat exchange assembly shown in Fig. 2.
  • the heat exchange member 3 has a rectangular wave shape and is a fin 32 which can be formed by bending, and can be fixed to the heat exchange tube 2 by brazing, interference fit, or snapping.
  • the peak of the heat exchange member 3 may be fixed to the surface of the heat exchange tube 2, or the valley of the heat exchange member 3 may be fixed to the surface of the heat exchange tube 2.
  • the heat exchange member 3 is in contact with the heat exchange tube 2 in the arrangement direction (up and down direction in FIG. 2) and the left and right direction (see FIG. 2) of the heat exchange tubes 2.
  • the fin 32 is provided with at least two side walls 321 and a top wall 322 and a bottom wall 323.
  • a heat exchange passage 31 is formed between the adjacent two side walls; the top wall 322 connects one end of two adjacent side walls 321 , and the bottom wall 323 connects the other ends of the other two adjacent side walls 321 .
  • the top wall 322 and the bottom wall 323 are alternately disposed such that the top wall 322 can connect two adjacent side walls 321, and the bottom wall 323 connects the other two adjacent side walls 321;
  • the two side walls 321 connected to the top wall 322 and the bottom wall 323 can share one side wall 321 .
  • the top wall 322 is provided with a top end surface 324, and the bottom wall 323 is provided with a bottom end surface 325.
  • the top end surface 324 and the bottom end surface 325 may serve as two contact faces of the heat exchange member 3, and are in contact with the heat exchange tube 2 for heat transfer.
  • the heating and heat exchange component can use a refrigerant (fluorine-containing refrigerant) or water as a heat exchange medium, in order to improve heat exchange efficiency, the heat exchange effect is better, and the present invention finds through research
  • the spacing of the hot parts and the height of the heat exchange parts are important factors affecting the heat transfer effect.
  • the too small heat exchange component spacing will increase the weight of the entire heating piece and increase the cost.
  • Another important influencing factor is the height of the heat exchange component. The higher the height of the heat exchanger component, the larger the heat exchange area of the heat exchanger component. The heat transfer amount is larger within a certain range; however, the heat exchanger component continues to increase, and the heat exchanger component end The temperature of the portion (near the air side) is lower than the temperature of the base portion of the base, resulting in a small heat transfer temperature difference between the end portion of the heat exchange member and the air, and the heat transfer efficiency is low.
  • the parameters of the heat exchange component 3 obtained by research may be as follows:
  • the direction in which the heat exchange member 3 extends vertically is a width direction
  • the direction in which the heat exchange member 3 extends left and right is a longitudinal direction
  • the direction in which the heat exchange member 3 extends forward and backward is a height direction.
  • the direction of the width, length and height of the heat exchange passage 31 is the same as that of the heat exchange member 3.
  • the height of the heat exchange passage 31 may range from 20 mm to 200 mm, preferably, the height range of the heat exchange passage 31 (for example, the distance Z between the two side walls 321 shown in FIG. 4, or as shown in FIG.
  • the distance Y between the two extensions 332, or the distance Y between the adjacent two profiles 33 may be 40 mm - 80 mm; for example, 45 mm, or 55 mm or 60 mm or the like.
  • the heat exchange passage 31 may have a length ranging from 20 mm to 25 mm.
  • the thickness of the heat exchange member 3 may range from 0.08 mm to 5 mm.
  • the sidewall 321 of the fin 32, the top wall 322 and the bottom wall 323 have a thickness of 0.08 mm to 5 mm; or at least one of the thickness of the sidewall 321 and the top wall 322 and the bottom wall 323 has a thickness of 0.08 mm to 5 mm.
  • the base 331 and the extending portion 332 of the profile 33 have a thickness of 0.08 mm to 5 mm, or at least one of the base 331 and the extending portion 332 has a thickness of 0.08 mm to 5 mm.
  • one of the first header and the second header is further provided with a partition 9 and the other for refluxing the refrigerant.
  • the header pipe provided with the partition plate 9 is connected with an inlet pipe 6 and an outlet pipe 7, and the header pipe includes a first cavity 12 and a second cavity 13 separated by the partition plate 9, a first cavity 12 and a
  • the two chambers 13 are respectively connected to different heat exchange tubes 2 to form two different flow directions.
  • the inlet pipe 6 is connected to the first chamber 12, and the outlet pipe 7 is connected to the second chamber 13.
  • the number of the first heat exchanger tubes 2 connected to the first chamber 12 is greater than the number of the second heat chamber tubes 2 connected to the heat exchange tubes 2, because the heat exchanger assembly of the present invention is used as a condenser, for example.
  • the refrigerant of the first process is a gaseous refrigerant, the density is small, and the flow rate is high. Therefore, in order to reduce the resistance, the first process needs more heat exchange tubes 2 arranged side by side, and the refrigerant is cooled after passing through the first process. It becomes liquid and the density increases. In order to ensure the heat exchange capacity, the number of flat tubes in the second process needs to be less than the first process.
  • the partition plate 9 divides the heat exchange tubes 2 into a first partial heat exchange tube 2a and a second partial heat exchange tube 2b.
  • the first chamber 12 is connected to the inlet pipe 6 for collecting the high temperature heat exchange medium from the compressor, and then conveying the heat exchange medium to the first partial heat exchange tube 2a connected to the first chamber 12 (
  • the flow direction is as indicated by the arrow in Fig. 3, and the first partial heat exchange tube 2a is mainly used for heat exchange with air.
  • the second portion of the heat exchange tube 2b is connected to the outlet tube 7 through the second chamber 13, and the second chamber 13 is used for collecting heat exchange medium after the heat exchange (the flow direction is opposite to the arrow in FIG. 3), and then changing The heat medium is output by the outlet pipe 7.
  • the separator 9 is disposed between the 10th and 11th heat exchange tubes 2 to form two processes (with The number of the heat exchange tubes 2 connected to the first chamber 12 is 10, and as the first heat exchange process, the number of heat exchange tubes 2 connected to the second chamber 13 is 5, as a second heat exchange process).
  • the refrigerant of the heat transfer medium enters the first chamber 12 through the inlet pipe 6, and then flows to the right to the 10 heat exchange tubes 2 of the first partial heat exchange tube 2a, and then flows to the second portion through the header at the right end of the heat exchange assembly. 5 heat exchange tubes 2 of the heat pipe 2b.
  • the second chamber 13 of the header via the left end of the heat exchange assembly is circulated to the outlet pipe 7.
  • the heat exchange medium uses a fluorine-containing refrigerant
  • the density is small, and the flow rate is high
  • a plurality of processes are required to reduce the flow rate and reduce the resistance.
  • the gaseous refrigerant gradually becomes a liquid refrigerant, which has a high density and a small flow rate, and requires a small process.
  • the number of processes can be appropriately reduced.
  • FIGS. 5 and 6 are schematic views showing the structure of a heat exchange tube connected to a header portion in an exemplary embodiment.
  • the heat exchange tube 2 includes a main body section 25, a final section 26 connected to the header portion 1, and a commutation connecting the main body section 25 and the end section 26.
  • Paragraph 27 wherein, the main body segment 25 is a main heat exchange portion, is in contact with the heat exchange member 3, and has a length longer than the commutation segment 27 and the end segment 26.
  • the reversing section 27 has a predetermined angle between the end section 26 and the main body section 25.
  • the predetermined angle may be 90°, and may of course be slightly less than 90°.
  • a portion of the body segment 25 can be twisted at a certain angle to form the end segment 26 and the commutation segment 27.
  • the main heat transfer surface of the end section 26 and the main body section 25 are located on two misalignment planes, and the main heat transfer surface of the main body section 25 is parallel to the axial direction of the header portion, and The heat exchange member 3 is in contact, and the end portion 26 can occupy less the length of the header portion 1.
  • the header portion 1 is provided with a mounting hole 11 into which the end portion 26 is inserted, and the longitudinal direction of the mounting hole 11 is perpendicular to the axial direction of the header portion 1.
  • the header portion 1 can be inserted into more of the heat exchange tubes 2. As shown in FIG.
  • the mounting hole 11 is horizontally disposed on the header portion 1 in the longitudinal direction and perpendicular to the axial direction of the header portion 1, and the distance between the adjacent two mounting holes 11 is as shown in FIG. x is vertically disposed on the header portion 1 compared to the mounting hole 11 (ie, the longitudinal direction of the mounting hole is parallel to the axial direction of the header portion, see FIG. 1), thereby increasing the separation distance and improving
  • the pressure resistance of the header portion 1 especially when the heat exchange module of the present invention uses a fluorine-containing refrigerant as a heat exchange medium, the pressure resistance of the fluorine-containing refrigerant is stronger).
  • the invention adopts a refrigerant to supply heat with a higher conveying pressure than an aqueous medium.
  • the header portion 1 needs to withstand a higher refrigerant pressure when a refrigerant is used.
  • the conventional flat tubes are arranged along the axial direction of the collecting pipe portion, so that the spacing between adjacent flat tubes is small and the pressure resistance is low, so that it is not suitable for using a fluorine-containing cold medium, and a new connection method is required.
  • the present invention solves this problem by changing the manner in which the flat tube is connected to the header portion to improve the pressure resistance of the header portion 1.
  • the header portion 1 and the heat exchange tube 2 may be combined to form a downstream arrangement or a countercurrent arrangement.
  • One of the two headers is provided with an inlet pipe 6 at the upper portion and an outlet pipe 7 at the lower portion to form a counterflow arrangement, which can increase the efficiency of the heat exchange component.
  • the inlet tube 6 and the outlet tube 7 may also be disposed on different headers. For example, when there is only one flow of the heat exchange assembly, the inlet pipe 6 and the outlet pipe 7 cannot be on the same header. When there are at least two processes, the inlet pipe 6 and the outlet pipe 7 can be in the same current collection.
  • the same collector tube may not be used, and may be determined according to requirements, a specific number of processes, and a specific structure, which is not limited by the present invention.
  • the inlet pipe 6 and the outlet pipe 7 are mostly made of a copper pipe, and the header pipe portion 1 is mostly made of an aluminum alloy material, and the inlet pipe 6 and the outlet pipe 7 are directly connected to the header pipe portion 1 to be easily deformed and the connection strength is strong. Insufficient, especially not suitable for use with fluorinated refrigerants.
  • an adapter 5 is provided on the header portion 1, and the inlet tube 6 and the outlet tube 7 are connected to the header portion 1 via an adapter 5.
  • the adapter 5 is the same material as the header portion 1, the adapter 5 and the header portion 1 are easier to weld, and then the inlet tube 6 and the outlet tube 7 are wrapped by the adapter 5. The ends of the ends fix the two.
  • the adapter 5 receives the force of the inlet pipe 6 and the outlet pipe 7 as an intermediate member, and does not directly act on the header portion 1, the header portion 1 and the inlet pipe 6 or the inlet pipe 6 can be enlarged.
  • the connection strength of the outlet pipe 7 is as follows.
  • the adapter 5 includes a first adapter portion 51 , a second adapter portion 52 , and a third adapter portion 53 .
  • the first adapter portion 51 is placed in the header portion 1 and welded to the header portion 1; one end of the second adapter portion 52 is connected to the first adapter portion 51 The other end is connected to the third adapter portion 53.
  • the outer diameter of the second adapter portion 52 is larger than the outer diameter of the first adapter portion 51, and the second adapter portion 52 can receive the end portion of the inlet tube 6 or the outlet tube 7, and the
  • the three adapter portion 53 has a flared opening shape.
  • the end of the inlet pipe 6 can be placed in the second adapter portion 52 through the third adapter portion 53.
  • the inside of the third adapter portion 53 and the outer wall of the inlet pipe 6 are welded by a brazing furnace device, and the solder is filled between the inner wall of the third adapter portion 53 and the inlet pipe 6, and the inlet pipe 6 is sealed.
  • the gap between the two adapters 52. the end of the inlet pipe 6 can be better fixed in the adapter 5, and the adapter 5 can be welded well to the header portion 1, and the inlet pipe 6 is not directly connected to the header.
  • the tube portions 1 are connected, the two are not deformed by the material.
  • FIGS. 8 and 9 are schematic structural views of the heat exchange tube, the header portion, and the heat exchange member of FIG.
  • the heat exchange assembly includes a header portion 1, a heat exchange tube 2, a heat exchange member 3, and a casing 8.
  • the heat exchange member 3 may be a fin 32 that is in contact with the plurality of heat exchange tubes 2, or may be a plurality of profiles 33 that are spaced apart from the heat exchange tubes 2.
  • a heat exchange space 81 is formed in the outer casing 8.
  • the heat exchange tube 2 is a flat tube and is at least partially received in the heat exchange space 81.
  • the current collecting tube portion 1 may be accommodated in the heat exchange space 81 or may not be accommodated therein, which is not limited in this application.
  • the structure of the outer casing 8 is the same as that of the previous embodiment. For details, please refer to the previous embodiment.
  • a plurality of heat exchange tubes 2 for circulating a heat exchange medium are connected to the header portion 1 , and the heat exchange tubes 2 are along the axial direction of the header portion 1 .
  • the heat exchange tube 2 may be a flat tube having a microchannel through which a heat exchange medium flows.
  • the heat exchange medium can be water or a refrigerant such as a fluorine-containing refrigerant.
  • the header portion 1 includes a third header 10 and a fourth header 15, and the heat exchange tube 2 includes a first heat exchange tube 21, a second heat exchange tube 22, and a commutation portion 24.
  • the third header 10 and the fourth header 15 are fixed by the fixing bracket 14; the first end of the first heat exchange tube 21 (the left end shown in FIG. 10) and the third current collector The tube 10 is connected, and the first end (the left end shown in FIG. 10) of the second heat exchange tube 22 is connected to the fourth header 15.
  • the second end of the first heat exchange tube 21 (the right end shown in FIG. 10) and the second end of the second heat exchange tube 22 (the right end shown in FIG.
  • the inner tubes of the first heat exchange tube 21, the second heat exchange tube 22 and the reversing portion 24 are connected for circulating a heat exchange medium.
  • the first heat exchange tube 21, the second heat exchange tube 22 and the reversing portion 24 may be an integrally formed flat tube, and may of course be a separate flat tube structure.
  • the first heat exchange tube 21 and the second heat exchange tube 22 are opposite and arranged in parallel, and are flat tubes.
  • a plurality of the first heat exchange tubes 21 and the second heat exchange tubes 22 are arranged at intervals along the axial direction of the header portion 1 as shown in FIG.
  • the first heat exchange tube 21 has a first main heat transfer surface opposite to the second heat exchange tube 22, and the second heat exchange tube 22 has a second main heat transfer surface opposite to the first heat exchange tube 21,
  • the first main heat transfer surface and the second main heat transfer surface are parallel to the axial direction of the header portion 1, that is, the up and down direction in FIG.
  • An accommodating space 23 is formed between the plurality of first heat exchange tubes 21 and the second heat exchange tubes 22 .
  • a set of the heat exchange members 3 is disposed in the accommodating space 23 (the set of heat exchange members may be a fin of an integral structure as shown in FIG. 4, or may be a combination of a plurality of profiles in FIG. a set of heat exchange members, the contact surface of the heat exchange member 3 being at least partially with the first main heat transfer surface of the first heat exchange tube 21 and/or the second main portion of the second heat exchange tube 22 The heat transfer surfaces are in contact with each other.
  • the width of the fin may be matched with the distance between the first heat exchange tube 21 and the second heat exchange tube 22, so that one contact surface of the fin and the first heat exchange tube The second contact surface is in contact with the second heat exchange tube 22.
  • the first heat exchange tube 21 and the second heat exchange tube 22 can simultaneously transfer heat to the fins, so that the temperature of the fins is higher than the temperature of heat transfer with a single heat exchange tube, and the fins After the temperature difference between the heat transfer of the sheet and the air is increased, the flow velocity of the air is also correspondingly increased, which reduces the heat transfer resistance of the fin and the air. Therefore, the heat exchange efficiency of the heating and heat exchange component can be improved, so that a better radiation heat release effect can be achieved, and the heat exchange capacity of the heating heat exchange component is further improved.
  • a set of the heat exchange members 3 is disposed between the first heat exchange tubes 21 and the second heat exchange tubes 22.
  • two or more sets of the heat exchange members 3 may be provided.
  • two sets of the heat exchange members 3 using the profiles 33 are disposed in the accommodating space 23 between the first heat exchange tubes 21 and the second heat exchange tubes 22.
  • the base 331 side of one set of the profiles 33 is placed in contact with the first heat exchange tubes 21, and the base side 331 of the other set of the profiles 33 is placed in contact with the second heat exchange tubes 22.
  • the profiles 33 of the two groups may be in contact with each other or may be disposed at a certain distance, and may or may not be symmetrical.
  • two sets of fins 32 are formed in the accommodating space 23 between the first heat exchange tube 21 and the second heat exchange tube 22 to constitute the heat exchange member 3.
  • a top wall 322 of the heat exchange component 3 is in contact with the first heat exchange tube 21, and a top wall 322 of the other heat exchange component 3 is in contact with the second heat exchange tube 22, two groups of The heat exchange members 3 may be in contact with each other or may be disposed at a certain distance, and may or may not be symmetrical.
  • an external heat-displacement component 4 may be disposed on a side of the first heat exchange tube 21 and the second heat exchange tube 22 adjacent to the outer casing 8, which can further improve the heat exchange area to enhance the heat exchange capability of the heat exchange component.
  • the first heat exchange tube 21 has a third main heat transfer surface opposite to the first main heat transfer surface
  • the second heat exchange tube 22 has a fourth main body opposite to the second main heat transfer surface Heat transfer surface. At least a portion of the outer displacement heat component 4 is in contact with the third primary heat transfer surface, and/or at least a portion of the outer displacement heat component 4 is in contact with the fourth primary heat transfer surface.
  • the outer heat-exchange member 4 and the heat-exchange member 3 may have the same structure or may be different.
  • the heat exchange member 3 and the outer heat-exchange member 4 each employ a fin 32; or the heat exchange member 3 employs a fin 32, the outer heat-exchange member 4 is formed of a profile 33, and other different combinations.
  • the outer heat-dissipating member 4 is disposed outside the first heat exchange tube 21, preferably, the outer heat-exchange member 4 and the heat-exchange member 3 are symmetrical based on the first heat exchange tube 21.
  • the outer heat-exchange member 4 and the heat exchange member 3 are symmetrically disposed based on the second heat exchange tube 22.
  • the outer heat-exchange member 4 and the heat exchange member 3 may not be symmetrically disposed based on the first heat exchange tube 21 or the second heat exchange tube 22.
  • the header portion 1 and the heat exchange tube 2 may be combined to form a downstream arrangement or a countercurrent arrangement.
  • the inlet pipe 6 and the outlet pipe 7 cannot be on the same header.
  • the inlet pipe 6 and the outlet pipe 7 may be on the same header or not on the same header, depending on the demand, the specific number of processes and the specific structure. The application does not limit this.
  • FIG. 8, FIG. 9, FIG. 11, FIG. 12 are provided with two current collecting tubes, and the right side of the first heat exchange tube 21 and the second heat exchange tube 22 are reversed.
  • the portion 24 is connected, and the first heat exchange tube 21 and the second heat exchange tube 22 are respectively connected to the third header tube 10 and the fourth header tube 15, and the inlet tube 6 and the outlet tube 7 are disposed at the third header tube 10 (
  • the header tube 6 connected to the first heat exchange tube 21 is located at the upper portion of the outlet tube 7.
  • two ends of the first heat exchange tube 21 and the second heat exchange tube 22 are respectively connected to two current collecting tubes, and the inlet tube 6 is disposed on the left side of the heat exchange unit. (the fifth header portion 16 and the seventh header portion 18 on the left side), the heat exchange assembly of the outlet tube 7 is located below the inlet tube 6, and connects the fifth header portion 16 and the seventh header on the left side. Part 18.
  • the heat exchange medium enters the fifth header portion 16 and the seventh header portion 18 on the left side from the inlet pipe 6, and enters the sixth header portion on the right side through the heat exchange tube of the upper portion. 17 and the eighth header portion 19 are then finally discharged from the outlet tube 7 through the lower portion of the header (the flow direction of the heat exchange medium in the heat exchange tube is shown by the arrow in Fig. 14 and described later in connection with the flow).
  • the header portion 1 is provided with an adapter 5, and the inlet tube 6 and the outlet tube 7 are connected to the header portion 1 via an adapter 5, and the structure of the adapter 5 and the inlet tube
  • the connection relationship between the outlet pipe 7 and the adapter 5 is the same as that of the previous embodiment. For details, refer to the previous embodiment, and details are not described herein.
  • a partition 9 is disposed inside the third header, and the first header portion 10 includes a first cavity 12 and a second cavity 13 separated by the partition plate 9, and the first cavity 12 and the second chamber 13 are respectively connected to different heat exchange tubes to form two different flow directions.
  • the inlet pipe 6 is connected to the first chamber 12, and the outlet pipe 7 is connected to the second chamber 13.
  • the number of the first chambers 12 connected to the heat exchange tubes 2 is greater than the number of the second chambers 13 connected to the heat exchange tubes 2.
  • the partition plate 9 divides the heat exchange tubes 2 into a first partial heat exchange tube 2a and a second partial heat exchange tube 2b.
  • the first chamber 12 is connected to the inlet pipe 6 for circulating a high temperature heat transfer medium from the compressor, and then delivering the heat transfer medium to the first partial heat exchange tube 2a connected to the first chamber 12,
  • the first part of the heat exchange tube 2a is mainly used for heat exchange with air.
  • the second portion of the heat exchange tube 2b is connected to the outlet tube 7 through the second chamber 13, and the second chamber 13 is configured to collect the heat transfer medium after the heat exchange of the second portion of the heat exchange tube 2b, and then the heat transfer medium output To the outlet pipe 7, the flow direction of the heat transfer medium is as indicated by the arrow in FIG.
  • the separator 9 is disposed between the fourth and fifth heat exchange tubes 2 to form two processes (the upper four exchanges)
  • the heat pipe constitutes the first part of the heat exchange tube 2a as the first heat exchange process
  • the lower two heat exchange tubes constitute the second part of the heat exchange tube 2b as the second heat exchange process).
  • the refrigerant of the heat transfer medium enters the first chamber 12 through the inlet pipe 6, flows to the right to the four first heat exchange tubes 21 of the first partial heat exchange tubes 2a, and then flows to the left through the reversing portion 24 to the first portion of the heat exchange tubes
  • the four second heat exchange tubes 22 of 2a flow through the fourth header 15 to the two second heat exchange tubes 22 of the second partial heat exchange tubes 2b and flow to the right.
  • the refrigerant flows through the reversing portion 24 to the two first heat exchange tubes 21 of the second partial heat exchange tubes 2b, and finally to the outlet tubes 7 through the second chambers 13 of the third header tubes 10.
  • the heat transfer medium uses a fluorine-containing refrigerant
  • the refrigerant entering the heat transfer tube 2 is in a gaseous state
  • the density is small, and the flow rate is high
  • a plurality of processes are required to reduce the flow rate and reduce the resistance.
  • the gaseous refrigerant gradually becomes a liquid refrigerant, which has a high density and a small flow rate, and requires a small process.
  • the number of processes can be appropriately reduced.
  • Figure 13 is a schematic view showing the structure of the heat exchange tube, the header portion and the heat exchange member in an exemplary embodiment
  • Figure 14 is a modification of the heat exchange tube, the header portion and the heat exchange member shown in Figure 13 Exploded view of the thermal component.
  • this embodiment is a modified embodiment of the above embodiment.
  • the heat exchange tube 2 includes at least one of the first heat exchange tubes 21 and at least one second heat exchange tube 22, the first heat exchange tubes 21 and The two heat exchange tubes 22 are flat flat tubes of a single structure, and microchannels through which heat exchange medium flows are disposed.
  • the header portion 1 includes four headers, which are a fifth header 16, a sixth header 17, a seventh header 18, and an eighth header 19, and a fifth header 16 and Six headers 17 (left and right ends disposed on the rear side of the heat exchange assembly) are respectively connected to both ends of the first heat exchange tube 21, and a seventh header 18 and an eighth header 19 are provided.
  • the left and right ends of the front side of the heat exchange assembly are respectively connected to both ends of the second heat exchange tube 22.
  • the partition plate 9 is disposed in the two headers at the left end in FIG. 14 (ie, the fifth header tube 16 and the seventh header tube 18), and the upper portion of the header tube serves as the first chamber 12 through the three-way joint.
  • the inlet pipe 6 is connected, and the lower portion is connected to the outlet pipe 7 as a second chamber 13 through a three-way joint.
  • six heat exchange tubes 2 are inserted into the header portion 1, and the separator 9 is disposed between the fourth and fifth heat exchange tubes 2 to form two processes (the upper four A heat exchange tube 21 and four second heat exchange tubes 22 are the first heat exchange process, and the lower two first heat exchange tubes 21 and the two second heat exchange tubes 22 are the second heat exchange process).
  • the refrigerant enters the fifth manifold 16 of the left end of the heat exchange component and the first chamber 12 of the sixth header 17 through the three-way joint of the inlet pipe 6, and then flows to the right to the four first heat exchange tubes 21 of the upper portion and
  • the four second heat exchange tubes 22 are condensed on the sixth header 17 connected to the right end of the first heat exchange tube 21 and the eighth header 19 connected to the right end of the second heat exchange tube 22.
  • the refrigerant passes through the sixth header 17 and the eighth header 19 at the right end and flows through the second first heat exchange tubes 21 and the two second heat exchange tubes 22 located at the lower portion to the fifth header of the left end of the heat exchange unit.
  • the refrigerant of the first process is a gaseous refrigerant
  • the density is small
  • the flow rate is high, so in order to reduce the resistance, the first process
  • More heat exchange tubes are arranged side by side, and after the refrigerant is dissipated through the first process, the gaseous state becomes liquid and the density is increased.
  • the number of flat tubes in the second process is relatively the first process. The quantity needs to be less.
  • the embodiment shown in FIG. 9 and FIG. 14 only shows two processes, and a plurality of partitions 9 may be provided to form a multi-flow, which will not be described herein.
  • the heat exchange component 3 is also disposed in the accommodating space 23 between the first heat exchange tube 21 and the second heat exchange tube 22, and the heat exchange component 3 may be provided in a group as shown in FIG. It is also possible to provide two sets of the heat exchange members 3 as shown in FIG. As shown in FIG. 4, an outer heat-exchange member 4 may be disposed between the first heat exchange tube 21 and the rear side wall 842, and an external heat exchange may be disposed between the second heat exchange tube 22 and the front side wall 841.
  • the component 4 and the outer heat-dissipating component 4 may have the same structure of the heat-exchange component 3, and may also adopt different heat-exchange components, for example, one fin and one profile.
  • the outer casing 8 , the first heat exchange tube 21 and the second heat exchange tube 22 may be disposed at both ends of the second heat exchange tube 22, and the commutator segment 27 and the adapter 5 and the collecting tube portion 1 may be disposed.
  • the mounting hole 11 and the like are disposed in the horizontal direction.
  • a further embodiment of the heat exchange assembly disclosed in the present invention is provided with a housing 8 and a driving device 28 mounted on the top of the housing 8.
  • the outer casing 8 includes a rear wall 853 and a front casing 854.
  • the front casing 854 is provided with a top wall, a bottom wall, a front wall and a side wall, and is provided with a first opening 851 at the top wall and a second bottom wall. Opening 852, the front and rear walls 853 are opposite.
  • a receiving tray 29 is disposed in the second opening 852 of the outer casing 8.
  • the driving device 28 is a plurality of axial fans 281 arranged in a line, and the heat exchange assembly is further provided with a fixing frame 282 for positioning the plurality of axial fans 281, the fixing frame 282 at least including the front side
  • the frame wall and the rear frame wall on the rear side are fixed with a plurality of spacers 283 on the inner surface of the fixing frame 282 (at least on the inner side surfaces of the front frame wall and the rear frame wall).
  • the heat exchange assembly further includes a header portion (1) disposed in the outer casing 8, a heat exchange tube (2), a heat exchange member (3), and an inlet tube connected to the header portion (1) ( 6) and the outlet pipe (7), preferably, an adapter (5) is also provided, and the arrangement of the components can be referred to the embodiments described above, and details are not described herein again.
  • the fins 32 are fins disposed in a wall shape, the FPI of the fins is ⁇ 16, the fins are windowed, and the window opening angle is 40 to 45 degrees.
  • the heat exchange component 3 can also be a profile 33.
  • the clamping member 20 has a U-shaped connecting portion 202, a first clamping arm 201 extending from one end of the connecting portion 202, and a second clamping arm extending from the other end of the connecting portion 202.
  • the first clamping arm 201 and the second clamping arm 203 extend in the same direction, wherein the first clamping arm 201 is wave-shaped, and the second clamping arm 203 is linear. It is arranged such that the clamping member 20 has a better clamping force.
  • the first clamping arm 201 and the second clamping arm 203 clamp the top and/or bottom walls of the two fins 32 that are in contact with each other.
  • a heat exchange passage 31 is formed between the heat exchange member 3 or between two adjacent heat exchange members 3, and the heat exchange passage 31 extends upward and downward.
  • the first opening 851 of the outer casing 8 is disposed corresponding to the top end of the heat exchange passage 31, the second opening 852 is disposed corresponding to the bottom end of the heat exchange passage 31, and the driving device 28 is disposed at the first end Above the opening 851, the fluid (hot air) in the heat exchange passage 31 is driven to the outside.
  • the outside world refers to other outer spaces located in the heat exchange passage 31.
  • the receiving tray 29 is disposed at the bottom of the heat exchange passage 31.
  • the receiving tray 29 is provided with a bottom plate 291 and a retaining wall 292 extending upward from the edge of the bottom plate 291.
  • a drain portion for draining water may be disposed on the retaining wall 292 and the bottom plate 291, and the drain portion may be a through hole (not shown) that penetrates the bottom plate 291 up and down; or the drain portion may be a slit (not shown) provided on the retaining wall 292.
  • the bottom plate 291 is disposed at an angle between the plane and the horizontal plane, that is, the bottom plate 291 is disposed obliquely, and the through hole is disposed at an end of the bottom plate 291 away from the heat exchange tube 2, and the gap is also disposed at Keep away from one end of the heat exchange tube 2.
  • the fluid accommodated in the receiving tray 29 is thus discharged as quickly as possible by the gravity.
  • the through hole may not be provided, and an opening may be provided in the retaining wall 292 at the lower end of the bottom plate 291 for draining.
  • the bottom end of the fixing frame 282 is supported upward by the outer casing 8, and the front frame wall and the rear frame wall of the fixing frame 282 are abutted. Abutting on the outer side surface of the outer casing 8, the spacer 283 is clamped between the fixing frame 282 and the outer side surface of the outer casing 8 so as to avoid metal hard contact to the fixing frame 282 and the The outer surface of the outer casing 8 is scratched.
  • the heat exchange assembly is provided with an outlet pipe and an inlet pipe connected to the header portion, and a partition plate is also disposed in the header portion, which can be referred to according to the demand, the specific number of processes and the specific structure.
  • the refrigerant passes through the flow passages of the plurality of heat exchange tubes 2 from top to bottom, thereby ensuring that the temperature of the upper half of the entire heat exchanger is higher than the temperature of the lower half, which is favorable for the air to be lower.
  • the upper countercurrent heat exchange flow makes the heat exchange efficiency better and the heat exchange effect is more uniform.
  • the present invention discloses a heat exchange system including a compressor 100, a first heat exchange assembly 200 in communication with the compressor 100 through a pipeline, a throttle device 300, a second heat exchange assembly 400, and A reversing device 500 that communicates with the compressor 100 through a pipeline.
  • the reversing device 500 is a four-way reversing valve.
  • the compressor 100 can selectively deliver the refrigerant to the first heat exchange component 200 or the second heat exchange component 400 through the four-way switching valve 500.
  • the heat exchange device 200 When the refrigerant first enters the heat exchange device 200, the heat exchange device 200 is a condenser, and the second heat exchange assembly 400 is an evaporator.
  • the second heat exchange assembly 400 When the refrigerant first enters the second heat exchange assembly 400, the second heat exchange assembly 400 is a condenser, and the heat exchange device 200 is an evaporator.
  • a high temperature and high pressure gaseous refrigerant (not shown) is discharged through the compressor 100 into the heat exchange device 200, and the high temperature and high pressure gaseous refrigerant is exchanged with the outside air.
  • Heat, the high-temperature and high-pressure gas refrigerant exchanges heat with the outside air through the heat exchange device 200, and then cools and condenses into a liquid refrigerant, and the outside air is heated, and the low-temperature high-pressure liquid refrigerant sequentially passes through the throttling element 300, After the second heat exchange component 400 and the like, the component is returned to the compressor 100 to circulate the above-described exothermic heating system process.
  • a high temperature and high pressure gaseous refrigerant (not shown) is discharged through the compressor 100 into the second heat exchange assembly 400, and then vaporized into a low temperature and a low pressure by the throttle device 300.
  • the gas-liquid two-phase mixture then enters the heat exchange device 200, that is, the evaporator, at which time the refrigerant in the heat exchange device 200 absorbs heat from the outside to vaporize, thereby cooling the outside.
  • the refrigerant is returned to the compressor 100 to circulate the above-mentioned endothermic refrigeration system.
  • the heat exchange unit may have a plurality of refrigerants, such as a Freon refrigerant, a carbon dioxide refrigerant, and the like.
  • refrigerants such as a Freon refrigerant, a carbon dioxide refrigerant, and the like.
  • the heat exchange system is suitable for many fields such as household heating and automobile heating.
  • the heat exchange component uses the heat energy carried by the heat exchange medium to exchange heat with the air, does not need multiple heat transfer, and has a large heat transfer temperature difference, and can reduce the use of the heat exchange tube and the heat exchange component on the basis of improving the heat exchange efficiency.
  • the quantity reduces the size of the equipment and reduces the production cost.
  • the invention also provides an indoor heating system, wherein the heat exchange component is used as an indoor condenser for heat exchange with air.
  • the heat exchange system directly uses the heat exchange component as a heating device to directly exchange heat with the air, and does not need an intermediate heat exchange medium compared to the prior art, and does not need to add extra
  • the equipment can directly perform heat transfer and thus has high heat transfer efficiency.

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  • Physics & Mathematics (AREA)
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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un ensemble d'échange de chaleur, un système d'échange de chaleur et un système de chauffage intérieur. L'ensemble d'échange de chaleur comprend des parties de tube de collecte (1) et une pluralité de tubes d'échange de chaleur (2) disposés dans la direction axiale le long des parties de tube de collecte (1); les deux extrémités des tubes d'échange de chaleur (2) sont chacune reliées à une partie de tube de collecte (1); et les cavités internes des tubes d'échange de chaleur (2) sont en communication avec les cavités internes des parties de tube de collecte (1). La direction de la largeur d'au moins une partie d'au moins l'un des tubes d'échange de chaleur (2) est globalement parallèle à la direction axiale des parties de tube de collecte (1); au moins un tube d'échange de chaleur (2) est formé de façon à avoir une surface de transfert de chaleur principale; et la surface de transfert de chaleur principale s'étend dans la direction de la longueur et la direction de la largeur du tube d'échange de chaleur (2) et est globalement parallèle à la direction axiale des parties de tube de collecte (1). Au moins un côté des tubes d'échange de chaleur (2) comporte un composant d'échange de chaleur (3); au moins une partie du composant d'échange de chaleur (3) est en contact avec la surface de transfert de chaleur principale d'au moins l'un des tubes d'échange de chaleur (2); et l'intérieur du composant d'échange de chaleur (3) est formé de façon à avoir des canaux d'échange de chaleur (31).
PCT/CN2018/097775 2017-09-20 2018-07-31 Ensemble d'échange de chaleur, système d'échange de chaleur, et système de chauffage intérieur WO2019056855A1 (fr)

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Application Number Priority Date Filing Date Title
CN201710855656.5A CN107504837A (zh) 2017-09-20 2017-09-20 换热器、换热系统及室内采暖系统
CN201710851215.8A CN107677147B (zh) 2017-09-20 2017-09-20 换热组件、换热系统及室内采暖系统
CN201710855182.4 2017-09-20
CN201721212397.6 2017-09-20
CN201710851215.8 2017-09-20
CN201721212397.6U CN207610569U (zh) 2017-09-20 2017-09-20 换热器、换热系统及室内采暖系统
CN201710855656.5 2017-09-20
CN201710855182.4A CN107504836A (zh) 2017-09-20 2017-09-20 换热器、换热系统及室内采暖系统
CN201820309642.3U CN208155106U (zh) 2018-03-06 2018-03-06 换热设备及换热系统
CN201820309642.3 2018-03-06

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