WO2015180665A1 - 热水器和形成热水器的方法 - Google Patents

热水器和形成热水器的方法 Download PDF

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Publication number
WO2015180665A1
WO2015180665A1 PCT/CN2015/080066 CN2015080066W WO2015180665A1 WO 2015180665 A1 WO2015180665 A1 WO 2015180665A1 CN 2015080066 W CN2015080066 W CN 2015080066W WO 2015180665 A1 WO2015180665 A1 WO 2015180665A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
heat transfer
housing
transfer member
water heater
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Application number
PCT/CN2015/080066
Other languages
English (en)
French (fr)
Inventor
金俊峰
塔克·L·杰弗里
蒋建龙
杨静
Original Assignee
丹佛斯微通道换热器（嘉兴）有限公司
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Application filed by 丹佛斯微通道换热器（嘉兴）有限公司 filed Critical 丹佛斯微通道换热器（嘉兴）有限公司
Publication of WO2015180665A1 publication Critical patent/WO2015180665A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element

Definitions

  • the invention relates to a water heater and a method of forming a water heater.
  • the air source heat pump water heater is generally constructed by a copper tube wound around a metal water tank or a copper tube built in a metal water tank.
  • the former uses a D-type copper tube to increase the heat exchange contact area, and the latter increases the thickness of the copper tube or the surface of the copper tube coated with an anti-corrosion layer. Solve the problem of leakage through corrosion.
  • the air source heat pump water heater on the market is composed of a copper tube wound around a metal tube or a copper tube built in a metal tube.
  • the former has a copper tube heat exchange area that is not fully utilized, resulting in insufficient heat transfer and indirectly causing slow heating of hot water.
  • the problem of the latter is that the copper tube directly contacts the water, which causes the copper tube to directly corrode and perforate, directly causing the system to enter the water, thereby damaging the entire system.
  • the present invention provides a water heater comprising:
  • a housing of the water tank defining a chamber for containing water
  • a heat exchange assembly comprising a plurality of heat exchange tubes disposed at intervals;
  • a heat transfer member disposed around the outer surface of the housing and for promoting heat exchange between the fluid in the heat exchange tube and the water in the chamber to change the temperature of the water, the surface of the heat transfer member being disposed along the surface of the housing
  • a first groove extending in a first direction for at least partially accommodating the heat exchange tubes, and the heat transfer member and/or heat exchange assembly is fixed to the housing.
  • a second groove extending along a second direction on a surface of the heat transfer member
  • the heat exchange assembly further includes a header, at least a portion of which is disposed in the second groove, and an end of the heat exchange tube is coupled to the header.
  • the cross-sectional shape of the first groove is the same as the cross-sectional shape of a portion of the heat exchange tube disposed in the first groove.
  • the portion between the two adjacent first grooves of the heat transfer member is at least partially in contact with the housing of the water tank.
  • the heat exchange tube is a flat tube having four sides, at least three of the four sides being covered by the inner surface of the first groove, preferably the height of the flat tube The corresponding side is inserted into the first groove and the other side corresponding to the height is in contact with the housing of the water tank; or.
  • the heat exchange tube is a circular tube, and an outer surface of the round tube corresponding to at least a substantially semicircular circumference is covered by an inner surface of the first groove.
  • the second groove covers at least 90% of the outer surface of the header.
  • the heat transfer member is formed by stamping from a metal plate.
  • the heat transfer member is fixed to the housing of the water tank by means of a support, welding, bonding or mechanical expansion; and/or
  • the heat transfer member is connected to the heat exchange tube by means of welding, bonding or mechanical expansion.
  • the heat transfer member further includes a protrusion, each of the protrusions being disposed outside the second groove and extending radially outward from the heat transfer member.
  • the projection is provided with a plurality of mounting holes for fixing the heat transfer member to the housing.
  • the cross-sectional shape of the second groove is the same as the cross-sectional shape of a portion of the header disposed in the second groove.
  • the housing is a cylindrical housing
  • One of the heat exchange tube and the header is disposed around at least a portion of the cylindrical housing in a circumferential direction of the cylindrical housing, and
  • the other of the heat exchange tubes and the headers are disposed in the axial direction of the cylindrical casing.
  • the first direction is substantially perpendicular to the second direction.
  • the inner surface of the first or second groove is provided with a solder material or a heat conductive material.
  • a method of forming a water heater comprising the steps of:
  • the housing defining a chamber containing water
  • the heat exchange assembly and the heat transfer member are assembled to the housing together.
  • the step of assembling the heat exchange component and the heat transfer component to the housing comprises: bending the heat exchange component and the heat transfer component and arranging them around the casing of the water tank around at least a portion of the casing On the surface.
  • the step of assembling the heat exchange component to the heat transfer component comprises: accommodating at least a portion of the heat exchange tube of the heat exchange component in the first trench.
  • a second groove extending along the second direction is further formed on the surface of the heat transfer member
  • the step of providing a heat exchange component includes: connecting an end of the heat exchange tube to the header to form a heat exchange component,
  • the step of assembling the heat exchange assembly to the heat transfer member includes: accommodating at least a portion of the header in the second groove;
  • the step of assembling the heat exchange component and the heat transfer component to the housing further includes bending the header or the heat exchange tube in the heat exchange assembly together with the heat transfer member to form the tubular member.
  • the step of providing a heat transfer member includes stamping a metal plate to form a first groove extending along the first direction on the metal plate,
  • the step of assembling the heat exchange component and the heat transfer component to the housing includes bending the heat exchange tube in the heat exchange assembly together with the heat transfer member to form a cylindrical member.
  • the first direction is substantially perpendicular to the second direction.
  • the step of assembling the heat exchange component and the heat transfer component on the housing comprises fixing the heat transfer component to the housing by means of a support, welding, bonding or mechanical expansion; and/or
  • the step of assembling the heat exchange component to the heat transfer component includes joining the heat transfer component by welding, pasting or mechanically expanding the heat transfer component.
  • an outer side of the second groove of the heat transfer member is further provided with a protrusion extending radially outward from the heat transfer member, and the heat transfer member is passed through a plurality of mounting holes on the protrusion Fixed to the housing.
  • a water heater comprising:
  • a housing of the water tank defining a chamber for containing water
  • a heat exchange assembly comprising a plurality of heat exchange tubes disposed at intervals;
  • a heat transfer member disposed around the outer surface of the housing and for promoting fluid in the heat exchange tube and water in the chamber Heat exchange to change the temperature of the water
  • the heat transfer component is composed of a plurality of metal strips
  • a heat exchange tube is disposed between two adjacent metal strips and welded to each other, and they are coated and fixed together on the casing.
  • a frame of the metal strip is at least partially in contact with the housing, and the metal strip has a cross-sectional shape of a rectangular frame, a door frame or a frame facing the housing.
  • the rectangular box of the mouth is preferably, a frame of the metal strip.
  • the heat exchange assembly further includes a header, and the end of the heat exchange tube is connected to the header.
  • the heat transfer member is fixed to the housing of the water tank by means of a support, welding, bonding or mechanical expansion; or
  • the heat transfer member further includes a protrusion, each of the protrusions being disposed at an end of the heat transfer member and extending radially outward from the heat transfer member, the protrusion being provided with a heat transfer member A plurality of mounting holes fixed to the housing.
  • the housing is a cylindrical housing
  • One of the heat exchange tube and the header is disposed around at least a portion of the cylindrical housing in a circumferential direction of the cylindrical housing, and
  • the other of the heat exchange tubes and the headers are disposed in the axial direction of the cylindrical casing.
  • a method of forming a water heater comprising the steps of:
  • the housing defining a chamber containing water
  • the heat exchange assembly and the heat transfer member are assembled to the housing together.
  • a method of forming a water heater comprising the steps of:
  • the housing defining a chamber containing water
  • the heat transfer member is attached to the heat exchange assembly.
  • the housing defining a chamber containing water
  • thermoelectric member wherein the heat transfer member is composed of a plurality of metal strips
  • Each heat exchange tube is disposed between two metal strips and welded to each other;
  • the heat exchange tube and the metal strip are bent and assembled to the housing.
  • the water heater of the invention adopts the microchannel heat exchanger technology, and the microchannel heat exchanger can be an all-aluminum heat exchanger.
  • the water heater of the invention has the advantages of low cost, strong corrosion resistance, less refrigerant charge, and simple flow path optimization.
  • the heat exchange area is fully utilized, the heat exchange tube is not in direct contact with water, the welding process is simple, and the structure is novel.
  • the water heater according to the present invention realizes the maximum utilization of the heat exchange area of the heat exchange tube, and the heat exchange effect is good; and the heat exchange effect is good, and the number of heat exchange tubes can be effectively reduced.
  • the basic working principle is that at least a part of the remaining portion of the heat exchange tube that is not in contact with the surface of the water tank is in contact with the heat transfer member, and a part of the heat transfer member is in contact with the water tank, so that more heat is transferred to the surface of the water tank.
  • the system using the water heater of the present invention runs more smoothly and prolongs the service life of the air source heat pump water heater.
  • FIG. 1 is a schematic view of a heat transfer member of a water heater according to a first embodiment of the present invention
  • FIGS. 2a and 2b are schematic views of a heat transfer member and a heat exchange assembly of a water heater according to a first embodiment of the present invention
  • FIG. 3 is a flow chart showing the assembly of a water heater according to a first embodiment of the present invention, wherein a heat exchange component and a heat transfer component are mounted on the casing;
  • Figure 4 is a cross-sectional view of a mounting hole docking connection in accordance with a first embodiment of the present invention
  • FIG. 5 is a schematic illustration of a heat transfer component of a water heater in accordance with a second embodiment of the present invention.
  • FIG. 6a and 6b are schematic views of a heat transfer member and a heat exchange assembly of a water heater according to a second embodiment of the present invention.
  • Figure 7 is a flow chart showing the assembly of a water heater according to a second embodiment of the present invention, wherein a heat exchange component and a heat transfer component are mounted on the casing;
  • FIG. 8a and 8b are views showing a heat exchange assembly and a heat transfer member of a water heater according to a third embodiment of the present invention. intention;
  • Figure 9 is a flow chart showing the assembly of a water heater according to a third embodiment of the present invention.
  • FIGS. 10a and 10b are schematic views of a heat exchange component and a heat transfer component of a water heater according to a fourth embodiment of the present invention.
  • Figure 11 is a flow chart showing the assembly of a water heater according to a fourth embodiment of the present invention, wherein a heat exchange component and a heat transfer component are mounted on the casing;
  • Figure 12 is a flow chart showing the assembly of a metal strip of a heat exchanger assembly and a heat transfer member of a water heater according to a fifth embodiment of the present invention, further showing that the heat exchange assembly and the heat transfer member are assembled together along their AA line Sectional view
  • FIG. 13a and 13b are schematic views of the heat transfer principle of a prior art water heater and a water heater according to the present invention.
  • FIG. 1 to 13 are views showing a schematic configuration of a water heater according to first to fifth embodiments of the present invention and a flow chart of method steps for forming a water heater.
  • the water heater 100 according to the present invention may be an air source heat pump water heater or a water heater that heats hot water using other heat sources.
  • the working principle of the heat pump water heater and other auxiliary components although not shown, reference may be made to the prior art. Therefore, the description of the overall structure of the heat pump water heater will not be described in detail herein.
  • the water heater 100 includes a housing 10 of a water tank, a heat exchange assembly 20, and a heat transfer component 30.
  • the housing 10 of the water tank is used to define a chamber containing water.
  • the heat exchange assembly 20 includes at least a plurality of heat exchange tubes 21 disposed at intervals.
  • the heat transfer component 30 is typically disposed about the outer surface of the housing 10 and serves to promote heat exchange between the fluid in the heat exchange tubes and the water within the chamber to change the temperature of the water.
  • the heat transfer member 30 is disposed on the surface of the housing 10 along the first direction (left shown in FIG. 1) A first groove 31 extending at least partially for the heat exchange tube 21 is extended in the right direction.
  • the heat exchange assembly 20 surrounds the outer surface of the housing 10
  • the heat transfer member 30 surrounds at least a portion of the outer surface of the heat exchange assembly 20 and the housing 10 that is not covered by the heat exchange assembly 10. And the heat transfer member and/or the heat exchange assembly is fixed to the housing.
  • the heat transfer member 30 is constructed by bending a substantially flat metal or heat conductive member.
  • the heat transfer member 30 includes, in addition to the first groove 31, a second groove 32, which is formed along the second direction (upper and lower direction shown in FIG. 1), before the first groove 31 is unbent.
  • the first groove 31 serves to at least partially accommodate the heat exchange tubes 21 and the second grooves 32 serve to at least partially receive the header 22.
  • the relative positions, cross-sectional shapes, and the like of the first groove 31 and the second groove 32 are dependent on the heat exchange tubes 21 and the headers 22 in the heat exchange assembly 20, respectively.
  • the first direction is substantially perpendicular to the second direction.
  • the cross-sectional shape of the first groove 31 is the same as or matches the cross-sectional shape of the portion of the heat exchange tube 21 disposed in the first groove 31.
  • the cross-sectional shape of the second groove 32 is the same as or matches the cross-sectional shape of the portion of the header 22 disposed in the second groove 32.
  • the heat exchange assembly 20 generally also includes a header 22 (two collectors are shown in FIG. 2b).
  • a header 22 two collectors are shown in FIG. 2b.
  • the header 22 is disposed in the second trench 32 and is replaced
  • the end of the heat pipe 21 is connected between the two headers 22.
  • the cross-sectional shape of the second groove 32 is the same as or matches the cross-sectional shape of the portion of the header 22 disposed in the second groove 32.
  • the portion between the two adjacent first grooves 31 of the heat transfer member 30 is at least partially in contact with the housing 10 of the water tank, preferably in full close contact.
  • the housing 10 may be formed by stamping from a metal plate.
  • the housing 10 can be a cylindrical housing, although other suitable shapes can be used.
  • the heat exchange tubes 21 are flat tubes, i.e., a microchannel profile tube, or a plurality of microchannels therein for fluids such as refrigerant.
  • the heat exchange tubes 21 are flat tubes, i.e., a microchannel profile tube, or a plurality of microchannels therein for fluids such as refrigerant.
  • at least three of the four sides of the flat tube 21 are covered by the inner surface of the first groove 31.
  • one side corresponding to the height of the flat tube may be inserted into the first groove 31, The other side corresponding to the height is in contact with the housing of the water tank.
  • the second groove has a width ranging from 0.1 to 50 mm and a depth ranging from 0.1 to 50 mm.
  • the second groove 32 covers at least 90% or more of the outer surface of the header 22.
  • the heat transfer component 30 is secured to the housing 10 of the water tank by means of a support, welding, gluing or mechanical expansion.
  • the heat exchange assembly 20 can also be expanded by support, welding, pasting or mechanical expansion. It is fastened to the housing 10 of the water tank in a tight manner.
  • the heat transfer member 30 is coupled to the heat exchange tubes 22 by means of welding, gluing or mechanical expansion.
  • the heat transfer member 30 is provided with projections 33 at both ends thereof.
  • the projection 33 is disposed outside the second groove 32 and extends radially outward from the heat transfer member 30.
  • a plurality of mounting holes 331 are provided on the projections 33 for fixing the heat transfer member 30 to the housing 10.
  • the above-described fixing of the heat transfer member 30 is achieved by the butting of the mounting holes 331 (for example, by bolts, welding, etc.).
  • the casing 10 is a cylindrical casing in the first embodiment, and one of the heat exchange tubes 21 and the headers 22 surrounds at least a part of the cylindrical casing in the circumferential direction of the cylindrical casing.
  • the other one of the heat exchange tubes 21 and the headers 22 is disposed in the axial direction of the cylindrical casing.
  • the inner surface of the first trench 31 or the second trench 32 is provided with a solder material or a heat conductive material.
  • a method of forming a water heater 100 in accordance with a first embodiment of the present invention includes the steps of providing a heat exchange assembly 20 including a heat exchange tube 21; a housing 10 providing a water tank, the housing 10 defining a housing a chamber for water; a heat transfer member 30 is provided, wherein a first groove 31 extending in a first direction is formed on a surface of the heat transfer member 30; a heat exchange assembly 20 is assembled to the heat transfer member 30; The assembly 20 and the heat transfer member 30 are assembled to the housing 10 together.
  • the heat exchange tubes 21 and the headers 22 are assembled to form the heat exchange assembly 20 shown in Fig. 2b, and then the heat exchange tubes 21 and the headers 22 are respectively mounted on the first grooves of the heat transfer member 30. 31 and the second groove 32.
  • the mounting may be accomplished by means of welding, gluing or mechanical expansion as described above.
  • the heat exchange tubes 21 in the heat exchange assembly 20 are then bent along the outer surface of the casing 10 of the water tank such that the heat exchange tubes 21 are arranged around the circumferential direction of the casing 10, and the headers 22 surround the shaft of the casing 10. Arranged.
  • the heat exchange unit 20 and the heat transfer member 30 are fixed to the outer surface of the casing 10 of the water tank by butting the mounting holes 331 in the projections 33.
  • the formation method of the present invention is not limited to the above. It is also possible to first install the heat exchange tubes 21 in the first grooves 31 in order, and install the headers 22 in the second grooves 32. After the above-described mounting of the heat exchange tubes 21 and the header tubes 22 is completed, the heat exchange tubes 21 and the header tubes 22 are connected to each other or connected to form the heat exchange unit 20. It can be understood that the heat exchange tubes 21 and the headers 22 can be first installed to form the heat exchange assembly 20, and then at least a portion of the heat exchange tubes 21 and/or the headers 22 are accommodated in the corresponding grooves of the heat transfer member 30. 31 and / or 32. Of course, the heat exchange tubes 21 and/or the headers 22 may also be installed in the grooves 31 and/or 32, respectively, to form the heat exchange assembly 20 on the heat transfer member 30.
  • the header 22 can also be bent around the circumferential direction of the housing 10 to form a cylindrical member, so that the current collection
  • the tubes 22 are arranged around the circumferential direction, and accordingly the heat exchange tubes 21 are arranged around the axial direction.
  • both the first trench 31 and/or the second trench 32 may be formed by stamping a metal plate, that is, the heat transfer member 30 is fabricated.
  • the heat transfer principle of the water heater is as follows: a refrigerant such as a refrigerant transfers heat to the flat tube 21, and the flat tube 21 transfers heat to the surface of the housing 10 of the water tank; Heat is transferred to the heat transfer member 30 such as a flat plate, which also transfers heat to the surface of the casing 10 of the water tank.
  • this second embodiment is a modification of the first embodiment, and its basic principle and basic structural arrangement are substantially the same as those of the first embodiment. Therefore, only the differences from the water heater of the first embodiment will be described herein, and the same points will not be described again.
  • the heat transfer member 30 is also formed of a metal plate.
  • the heat transfer member 30 is provided with only a first groove 31 for at least partially accommodating the heat exchange tubes 21, and a second groove 32 for at least partially accommodating the header 22.
  • the projections as described in the first embodiment are no longer provided at both ends of the heat transfer member 30.
  • the headers 22 are disposed directly at both ends of the heat transfer member 30. It is fixed to the heat transfer member 30 by its connection with the heat transfer member 30 or the heat transfer tube 21.
  • the assembled heat exchange assembly 20 is integrally attached or assembled to the heat transfer member 30, that is, the heat exchange tubes 21 and the headers 22 thereof are respectively inserted into the first grooves 31 and In the second groove 32.
  • the header 22 is bent to surround the surface of the casing 10.
  • the heat transfer principle of the water heater is as follows: a refrigerant such as a refrigerant transfers heat to the flat tube 21, and the flat tube 21 transfers heat to the surface of the housing 10 of the water tank; Heat is transferred to the heat transfer member 30 such as a flat plate, which also transfers heat to the surface of the casing 10 of the water tank.
  • this third embodiment is a modification of the first embodiment, the basic principle and basic structure of the cloth.
  • the arrangement is substantially the same as that of the first embodiment. Therefore, only the differences from the water heater of the first embodiment will be described herein, and the same points will not be described again.
  • the heat transfer member 30 is also formed of a single metal plate.
  • the heat transfer member 30 is provided with a first groove 31' as described in the first embodiment and a projection 33 with a mounting hole 331.
  • the heat exchange assembly 20 includes a heat exchange tube 21' and a header 22 which are circular tubes.
  • the heat exchange tubes 21' are round tubes.
  • the outer surface of the circular tube 21' corresponding to at least the circumference of the substantially semicircle is covered by the inner surface of the first groove 31'.
  • the cross-sectional shape of the first groove 31' also changes, i.e., has a substantially circular arc shape.
  • the first trench 31' has a radius dimension ranging from 0.1 to 25.4 mm.
  • the round tubes 21' of the heat exchange assembly 20 are placed into the first grooves 31', assembled and welded together.
  • the header 22 is bent around the circumferential direction of the surface of the casing 10 of the water tank so that the header 22 is arranged along the circumferential direction.
  • the round tube 21' is arranged along the axial direction.
  • the abutment of the mounting holes 331 on the projections 33 of the heat transfer member 30, for example, a rivet-like structure, is fixed to the surface of the casing 10.
  • the heat transfer principle of the water heater is as follows: a refrigerant such as a refrigerant transfers heat to the round pipe 21', and the round pipe 21' transfers heat to the surface of the casing 10 of the water tank; 21' also transfers heat to a heat transfer member 30, such as a flat plate, which also transfers heat to the surface of the housing 10 of the water tank.
  • a refrigerant such as a refrigerant transfers heat to the round pipe 21'
  • the round pipe 21' transfers heat to the surface of the casing 10 of the water tank
  • 21' also transfers heat to a heat transfer member 30, such as a flat plate, which also transfers heat to the surface of the housing 10 of the water tank.
  • this fourth embodiment is a modification of the third embodiment, and its basic principle and basic structural arrangement are substantially the same as those of the third embodiment. Therefore, only the differences from the water heater of the third embodiment will be described herein, and the same points will not be described again.
  • the heat transfer member 30 is not provided with a projection having a mounting hole.
  • the circular tube 21' in the heat exchange assembly 20 is placed after the first groove 31' on the heat transfer member 30, by means of pasting, welding and/or mechanical expansion.
  • the round tube 21' is fixed in the first groove 31'.
  • the circular tube 21' is bent around the circumferential direction of the surface of the casing 10 of the water tank so that the round pipe 21' is arranged along the circumferential direction, and The headers 22 are arranged along the axial direction.
  • the heat exchange assembly 20 and the heat transfer member 30 may be integrally fixed to the outer surface of the casing 10 by means of a support, welding, bonding or mechanical expansion.
  • the heat transfer principle of the water heater is as follows: a refrigerant such as a refrigerant transfers heat to the round pipe 21', and the round pipe 21' transfers heat to the surface of the casing 10 of the water tank; 21' also transfers heat to a heat transfer member 30, such as a flat plate, which also transfers heat to the surface of the housing 10 of the water tank.
  • FIG. 12 there is shown a water heater and a method of forming the same according to a fifth embodiment of the present invention.
  • this fifth embodiment is a modification of the first embodiment, and its basic principle and basic structural arrangement are substantially the same as those of the first embodiment. Therefore, only the differences from the water heater of the first embodiment will be described herein, and the same points will not be described again.
  • the heat exchange unit 20 is the same as the heat exchange unit of the first embodiment, and the heat transfer member 30' is different from the heat transfer member of the first embodiment.
  • the heat transfer member 30' is composed of a plurality of metal strips 34, and a heat exchange tube 21 is disposed between the two adjacent metal strips 34 and they are welded to each other. Thereafter, the welded heat exchange tubes 21 and the metal strips 34 are bent together to fix them on the outer surface of the casing 10.
  • the heat exchange tubes 21 are disposed at intervals between the metal strips, a frame of the metal strip is at least partially in contact with the outer surface of the housing 10.
  • the cross-sectional shape of the metal strip 34 is a rectangular frame, a door frame or a frame with a notch that is in contact with the housing.
  • the heat exchange assembly 20 further includes two headers 22, and the ends of the heat exchange tubes 21 are connected to the header 22.
  • the heat transfer member 30' composed of the metal strips 34 is fixed to the casing 10 of the water tank by means of a support, welding, bonding or mechanical expansion.
  • projections 33 with mounting holes 331 may be provided at both ends of the heat transfer member 30' to fix them to the housing 10.
  • a support member may be disposed on both ends of the heat exchange assembly 20 when they surround each other on the housing 10, and the heat exchange assembly 20 is tightly wrapped around the housing 10 by connecting the support members at both ends to be exchanged.
  • the heat assembly 20 and the heat transfer member 30 are fixed to the housing 10.
  • the heat exchange assembly 20 can be secured to the housing 10 of the water tank by welding, gluing or mechanical expansion.
  • the housing 10 may be a cylindrical housing, and one of the heat exchange tubes 21 and the headers 22 is disposed around at least a portion of the cylindrical housing in the circumferential direction of the cylindrical housing, and heat exchange The other of the tube 21 and the header 22 is disposed in the axial direction of the cylindrical casing.
  • the heat exchange tube 21 surrounds at least a part of the cylindrical casing in the circumferential direction of the cylindrical casing.
  • the header 22 is disposed in the axial direction of the cylindrical casing.
  • a method of forming a water heater comprising the steps of: providing a heat exchange assembly 20 comprising a heat exchange tube 21; a housing 10 providing a water tank, the housing 10 Defining a chamber for containing water; providing a heat transfer member 30, wherein the heat transfer member 30 is composed of a plurality of metal strips 34; each heat exchange tube 21 is disposed between the two metal strips 34 and welded to each other; The heat exchange tubes 21 and the metal strips 34 are assembled and fixed to the housing 10.
  • the heat transfer principle of the water heater is as follows: a refrigerant such as a refrigerant transfers heat to the flat tube 21, and the flat tube 21 transfers heat to the surface of the housing 10 of the water tank;
  • Fig. 13a The contact of the surface of the heat exchange tube 21 of the prior art such as a flat tube and the surface of the housing 10 of the water tank is shown in Fig. 13a, that is, one side of the heat exchange tube 21 is in contact with the housing 10 of the water tank, and three sides and air contact.
  • Fig. 13b The contact of the surface of the heat exchange tube 21 of the present invention, such as a flat tube, with the surface of the housing 10 of the water tank is shown in Fig. 13b: one side of the heat exchange tube 21 is in contact with the housing 10 of the water tank, and the other three sides and the heat transfer member 30 The contact and the portion between the heat transfer tubes 21 of the heat transfer member 30 are in close contact with the surface of the housing 10.
  • the present invention by adding the heat transfer member 30, the other three sides of the heat transfer tube 21 transfer heat to the heat transfer member 30, and as the temperature of the heat transfer member 30 rises, heat can be transferred to the water tank or the water tank.
  • the air source heat pump water heater disclosed by the invention adopts microchannel heat exchanger technology, and the microchannel heat exchanger has low cost, strong corrosion resistance, less refrigerant charge, simple flow path optimization, sufficient heat exchange area utilization, and heat exchange tube. It does not directly contact with water, and its welding process is single-connected and has a novel structure.
  • the heat pump water heater provided by the invention maximizes the heat exchange area of the heat exchange tube, so that the heat exchange effect of the heat pump water heater is good; and based on the good heat exchange effect, the number of heat exchange tubes can be effectively reduced.
  • the present invention also provides the following method of forming a water heater.
  • a method of forming a water heater comprising the steps of: providing a heat exchange assembly; providing a housing for a water tank, the housing defining a chamber containing water; providing a heat transfer member, wherein the heat a first groove extending along the first direction is formed on the surface of the transfer member; a heat exchange tube in the heat exchange assembly or The collector tube and the heat transfer member are attached to the heat exchange assembly; the heat exchange assembly and the heat transfer member are assembled to the housing together.
  • a method of forming a water heater comprising the steps of: providing a heat exchange assembly; providing a housing for a water tank, the housing defining a chamber containing water; providing a heat transfer member, wherein Forming a first groove extending along the first direction on the surface of the heat transfer member; bending a heat exchange tube or a collecting tube in the heat exchange assembly, and assembling the heat exchange assembly to the housing; The transfer member is attached to the heat exchange assembly.
  • one or both of the heat exchange component and the heat transfer component may be fixed to the casing in such a manner that only the heat exchange component is fixed on the casing and the heat transfer component passes through and exchanges heat.
  • the connection between the components is fixed; the heat exchange component and the casing are not fixed but the heat transfer component is fixed on the casing, and the heat exchanger component is fixedly connected with the heat transfer component; the casing, the heat exchange component and the heat The transfer members are fixedly connected to each other.

Abstract

一种热水器（100），包括：水箱的壳体（10），限定了容纳水的腔室；换热组件（20），该换热组件（20）包括间隔地设置的多根换热管（21）；热量传递部件（30），围绕壳体（10）的外表面布置且用于促进换热管（21）中的流体与腔室内的水的热交换以改变水的温度，该热量传递部件（30）的朝向壳体的表面上设置有沿第一方向延伸的至少部分地用于容纳换热管的第一沟槽（31），该热量传递部件（30）和/或换热组件（20）固定在壳体（10）上。还提供一种形成热水器的方法。

Description

热水器和形成热水器的方法
本申请要求于2014年05月30日递交的、申请号为201410239551.3、发明名称为“热水器和形成热水器的方法”的中国专利申请的优先权，其全部内容通过引用并入本申请中。
技术领域
本发明涉及一种热水器和形成热水器的方法。
背景技术
空气源热泵热水器普遍由铜管绕在金属水箱或绕制铜管内置于金属水箱的结构形式，前者采用D型铜管增加换热接触面积，后者增加铜管厚度或铜管表面涂防腐层解决通过腐蚀泄露问题。
目前市场上空气源热泵热水器由铜管绕在金属筒或绕制铜管内置于金属筒的结构形式，前者存在铜管换热面积没有全面利用，导致换热不充分从而间接导致加热热水慢的问题；后者由于铜管直接与水接触，会导致铜管直接腐蚀穿孔，直接导致系统进水，从而使整个系统损坏。
发明内容
本发明的目的是提供一种热水器和形成热水器的方法，该热水器提高了换热管与容纳水的壳体的换热面积。
根据本发明的一方面，本发明提供了一种热水器，包括：
水箱的壳体，限定了容纳水的腔室；
换热组件，所述换热组件包括间隔地设置的多根换热管；
热量传递部件，围绕壳体的外表面布置且用于促进换热管中的流体与腔室内的水的热交换以改变水的温度，所述热量传递部件的朝向壳体的表面上设置有沿第一方向延伸的用于至少部分地容纳换热管的第一沟槽，并且所述热量传递部件和/或换热组件固定在壳体上。
优选地，形成在热量传递部件的表面上的沿着第二方向延伸的第二沟槽，以及
所述换热组件还包括集流管，该集流管的至少一部分设置在所述第二沟槽中，并且换热管的端部与集流管连接。
优选地，所述第一沟槽的截面形状与所述换热管的设置在第一沟槽中的部分的截面形状相同。
优选地，所述热量传递部件的两个相邻的第一沟槽之间的部分与水箱的壳体至少部分地接触。
优选地，所述换热管是扁管，该扁管具有四个侧面，所述四个侧面中的至少三个侧面由所述第一沟槽的内表面包覆，优选地扁管的高度所对应的一侧插入到第一沟槽内而该高度所对应的另一侧与水箱的壳体接触；或。
优选地，所述换热管是圆管，所述圆管的至少与大致半圆的周长对应的外表面由第一沟槽的内表面包覆。
优选地，所述第二沟槽包覆集流管的至少90％以上的外表面。
优选地，所述热量传递部件由一块金属板通过冲压形成。
优选地，所述热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体上；和/或
热量传递部件通过焊接、粘贴或机械胀紧的方式和换热管连接。
优选地，所述热量传递部件还包括凸出部，每个所述凸出部设置在第二沟槽的外侧且从热量传递部件径向向外延伸。
优选地，所述凸出部上设置有用于将热量传递部件固定在所述壳体上的多个安装孔。
优选地，所述第二沟槽的截面形状与所述集流管的设置在第二沟槽中的部分的截面形状相同。
优选地，所述壳体是筒状壳体，
所述换热管和所述集流管中的一个在筒状壳体的周向方向上围绕筒状壳体的至少一部分设置，以及
所述换热管和所述集流管中的另一个在筒状壳体的轴向方向上设置。
优选地，第一方向大致垂直于第二方向。
优选地，所述第一或第二沟槽的内表面上设置有焊接材料或导热材料。
根据本发明的另一方面，提供了一种形成热水器的方法，包括如下步骤：
提供包括换热管的换热组件；
提供水箱的壳体，所述壳体限定容纳水的腔室；
提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸 的第一沟槽；
将换热组件组装到热量传递部件上；
将换热组件和热量传递部件一起装配到壳体上。
优选地，将换热组件和热量传递部件一起装配到壳体上的步骤包括：将换热组件和热量传递部件折弯并围绕所述壳体的至少一部分将它们布置在水箱的壳体的外表面上。
优选地，所述将换热组件组装到热量传递部件上的步骤包括：将换热组件的换热管的至少一部分容纳在所述第一沟槽中。
优选地，在热量传递部件的表面上还形成有沿着第二方向延伸的第二沟槽；
提供换热组件的步骤包括：将换热管的端部与集流管连接形成换热组件，
将换热组件组装到热量传递部件上的步骤包括：将集流管的至少一部分容纳在第二沟槽中；
将换热组件和热量传递部件一起装配到壳体上的步骤还包括：将换热组件中的集流管或换热管与热量传递部件一起折弯形成筒状件。
优选地，提供热量传递部件的步骤包括冲压一金属板，以在金属板上形成沿着第一方向延伸的第一沟槽，
将换热组件和热量传递部件一起装配到壳体上的步骤包括：将换热组件中的换热管与热量传递部件一起折弯形成筒状件。
优选地，第一方向大致垂直于第二方向。
优选地，将换热组件和热量传递部件装配在壳体上的步骤包括将热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式将热量传递部件固定在壳体上；和/或
将换热组件组装到热量传递部件上的步骤包括将热量传递部件通过焊接、粘贴或机械胀紧的方式和将换热组件连接。
优选地，所述热量传递部件的第二沟槽的外侧还设置有突出部，该突出部从热量传递部件径向向外延伸，通过所述凸出部上的多个安装孔将热量传递部件固定在所述壳体上。
根据本发明的另一方面，提供了一种热水器，包括：
水箱的壳体，限定了容纳水的腔室；
换热组件，所述换热组件包括间隔地设置的多根换热管；
热量传递部件，围绕壳体的外表面布置且用于促进换热管中的流体与腔室内的水 的热交换以改变水的温度，
其中所述热量传递部件由多条金属条构成，两条相邻的金属条中间设置一根换热管并且彼此焊接连接，并且它们一起包覆固定在壳体上。
优选地，金属条的一边框至少部分地与所述壳体接触，所述金属条的横截面形状为矩形框、门形框或与壳体接触的一边框所对的另一边框带有槽口的矩形框。
优选地，所述换热组件还包括集流管，换热管的端部与集流管连接。
优选地，所述热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体上；或
所述热量传递部件还包括凸出部，每个所述凸出部设置在热量传递部件的端部且从热量传递部件径向向外延伸，所述凸出部上设置有用于将热量传递部件固定在所述壳体上的多个安装孔。
优选地，所述壳体是筒状壳体，
所述换热管和所述集流管中的一个在筒状壳体的周向方向上围绕筒状壳体的至少一部分设置，以及
所述换热管和所述集流管中的另一个在筒状壳体的轴向方向上设置。
根据本发明的另一方面，提供了一种形成热水器的方法，所述方法包括步骤：
提供换热组件；
提供水箱的壳体，所述壳体限定容纳水的腔室；
提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；
折弯换热组件中的换热管或集流管，并且将热量传递部件贴合到换热组件上；
将换热组件和热量传递部件一起装配到壳体上。
根据本发明的另一方面，提供了一种形成热水器的方法，所述方法包括步骤：
提供换热组件；
提供水箱的壳体，所述壳体限定容纳水的腔室；
提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；
折弯换热组件中的换热管或集流管，并且将换热组件装配到所述壳体上；
将热量传递部件贴合到换热组件上。
根据本发明的另一方面，提供了一种形成上述的热水器的方法，所述方法包括步 骤：
提供包括换热管的换热组件；
提供水箱的壳体，所述壳体限定容纳水的腔室；
提供热量传递部件，其中所述热量传递部件由多条金属条构成；
将每根换热管设置在两条金属条之间并且彼此焊接；
折弯换热管和金属条，并且装配固定在所述壳体上。
本发明的热水器采用微通道换热器技术，微通道换热器可是一种全铝换热器，本发明的热水器具有成本低、耐腐蚀能力强、冷媒充注量少、流路优化简单、换热面积利用充分、换热管不与水直接接触、焊接工艺简单、结构新颖等优点。
此外，根据本发明的热水器实现了换热管的换热面积最大限度的利用，换热效果好；由于换热效果好，可以有效减少换热管的数量。基本工作原理为：与水箱表面不接触的换热管的其余部分的至少一部分与热量传递部件接触，又因传热部件的一部分与水箱接触，从而使得更多的热量传递给水箱表面。此外，采用本发明的热水器的系统运行更加平稳，延长了空气源热泵热水器的使用年限。
附图说明
本发明的这些和/或其他方面和优点从下面结合附图对优选实施例的描述中将变得明显和容易理解，其中：
图1为根据本发明的第一实施例的热水器的热量传递部件的示意图；
图2a和2b为根据本发明的第一实施例的热水器的热量传递部件和换热组件的示意图；
图3为根据本发明的第一实施例的形成热水器的装配流程图，其中换热组件和热量传递部件安装在壳体上；
图4为根据本发明的第一实施例的安装孔对接连接的剖视图；
图5为根据本发明的第二实施例的热水器的热量传递部件的示意图；
图6a和6b为根据本发明的第二实施例的热水器的热量传递部件和换热组件的示意图；
图7为根据本发明的第二实施例的形成热水器的装配流程图，其中换热组件和热量传递部件安装在壳体上；
图8a和8b为根据本发明的第三实施例的热水器的换热组件和热量传递部件的示 意图；
图9为根据本发明的第三实施例的形成热水器的装配流程图；
图10a和10b为根据本发明的第四实施例的热水器的换热组件和热量传递部件的示意图；
图11为根据本发明的第四实施例的形成热水器的装配流程图，其中换热组件和热量传递部件安装在壳体上；
图12为根据本发明的第五实施例的热水器的换热组件和热量传递部件的金属条的装配流程图，其中还示出了将换热组件和热量传递部件组装在一起之后沿其A-A线的剖视图；
图13a和13b为现有技术的热水器与根据本发明的热水器的传热原理示意图。
具体实施方式
下面通过实施例，并结合附图1-13，对本发明的技术方案作进一步具体的说明。在说明书中，相同或相似的附图标号指示相同或相似的部件。下述参照附图对本发明实施方式的说明旨在对本发明的总体发明构思进行解释，而不应当理解为对本发明的一种限制。
下面通过附图对根据本发明的实施例的热水器和形成热水器的方法进行说明。
图1至13示出了根据本发明的第一实施例至第五实施例的热水器的结构示意图和形成热水器的方法步骤的流程图。根据本发明的热水器100可以是空气源热泵热水器，或利用其它热源加热热水的热水器。鉴于热泵热水器的工作原理和其它辅助部件(尽管未示出)可以参考现有技术。因此，关于热泵热水器的整体结构的描述在此不再进行详细说明。
以下将结合示例性实施例介绍本发明的热泵热水器的基本或主要部件以及其形成流程步骤。
第一实施例
参见图1-4，在本发明的第一实施例中，该热水器100包括水箱的壳体10、换热组件20和热量传递部件30。具体地，水箱的壳体10用于限定容纳水的腔室。换热组件20至少包括间隔地设置的多根换热管21。热量传递部件30通常围绕壳体10的外表面布置且用于促进换热管中的流体与腔室内的水的热交换，以改变水的温度。在本示例中，热量传递部件30朝向壳体10的表面上设置有沿第一方向(图1所示的左 右方向)延伸的用于至少部分地容纳换热管21的第一沟槽31。由此，换热组件20围绕在壳体10的外表面，热量传递部件30围绕在换热组件20的外表面和壳体10上未被换热组件10覆盖部分的至少一部分。并且所述热量传递部件和/或换热组件固定在壳体上。
具体地，如图1所示，热量传递部件30通过折弯一大体平板状的金属或导热构件构成。在未折弯前，除第一沟槽31之外，热量传递部件30还包括第二沟槽32，该第二沟槽32沿着第二方向(大体图1所示的上下方向)形成在热量传递部件30的表面上。鉴于后续描述可知，第一沟槽31用于至少部分地容纳换热管21，而第二沟槽32用于至少部分地容纳集流管22。显然，为了实现此种目的，第一沟槽31和第二沟槽32的诸如相对位置、横截面形状等都依赖于换热组件20中的换热管21和集流管22进行相应设置。通常在本领域中，由于换热管21都如图2b所示的大体地间隔地布置在集流管22之间，因此第一方向大致垂直于第二方向。具体地，第一沟槽31的截面形状与换热管21的设置在第一沟槽31中的部分的截面形状相同或相匹配。同理，第二沟槽32的截面形状与集流管22的设置在第二沟槽32中的部分的截面形状相同或相匹配。
另外，换热组件20通常还包括集流管22(图2b示出两根集流管)，在热水器100的布置中，集流管22的至少一部分设置在第二沟槽32中，并且换热管21的端部连接在两根集流管22之间。当然，第二沟槽32的截面形状与集流管22的设置在第二沟槽32中的部分的截面形状相同或相匹配。
由图3可见，热量传递部件30的两个相邻的第一沟槽31之间的部分与水箱的壳体10至少部分地接触，优选地完全地紧密接触。壳体10可由金属板通过冲压形成。壳体10可以是筒状壳体，当然也可以是其他合适形状的壳体。
在本示例中，换热管21是扁管，即一种微通道型材管，或者说其中具有多个用于诸如冷媒的流体的微通道。优选地，扁管21的四个侧面中的至少三个侧面由第一沟槽31的内表面包覆。当然，为了在水箱的壳体10的外表面上设置更多的换热管以增加换热的面积或效率，还可以将扁管的高度所对应的一侧插入到第一沟槽31内，而该高度所对应的另一侧与水箱的壳体接触。优选地，第一凹槽第二凹槽的宽度的范围为0.1-50mm，其深度的范围为0.1-50mm。
在本实施例中，第二沟槽32至少包覆集流管22的至少90％以上的外表面。
在制造过程中，热量传递部件30通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体10上。当然，换热组件20也可以通过支撑件、焊接、粘贴或机械胀 紧的方式固定在水箱的壳体10上。另外地，热量传递部件30通过焊接、粘贴或机械胀紧的方式和换热管22连接。
在图1中示出，热量传递部件30的两端处设置有凸出部33。该凸出部33设置在第二沟槽32的外侧且从热量传递部件30径向向外延伸。多个安装孔331设置在凸出部33上，用于将热量传递部件30固定在壳体10上。如图4所示，通过安装孔331的对接(例如，通过螺栓、焊接等方式)，实现热量传递部件30的上述固定。
如上述，壳体10在第一实施例中是筒状壳体，所述换热管21和集流管22中的一个在筒状壳体的周向方向上围绕筒状壳体的至少一部分地设置，而换热管21和集流管22中的另一个在筒状壳体的轴向方向上设置。
优选地，第一沟槽31或第二沟槽32的内表面上设置有焊接材料或导热材料。
下面描述根据本发明的第一实施例的形成热水器100的方法。
参见图2a和2b，根据本发明的第一实施例的形成热水器100的方法包括如下步骤：提供包括换热管21的换热组件20；提供水箱的壳体10，所述壳体10限定容纳水的腔室；提供热量传递部件30，其中在热量传递部件30的表面上形成有沿第一方向延伸的第一沟槽31；将换热组件20组装到热量传递部件30上；将换热组件20和热量传递部件30一起装配到壳体10上。
首先，将换热管21和集流管22组装在一起以形成图2b所示的换热组件20，之后将换热管21和集流管22分别安装在热量传递部件30的第一沟槽31和第二沟槽32中。所述安装可以是通过如上所述的焊接、粘贴或机械胀紧的方式来实现。之后沿着水箱的壳体10的外表面折弯换热组件20中的换热管21，使得换热管21围绕壳体10的周向方向布置，而集流管22围绕壳体10的轴向布置。最后，通过对接连接凸出部33中的安装孔331，从而将换热组件20和热量传递部件30固定在水箱的壳体10的外表面上。
当然，本发明的形成方法不限于上述。还可以先将换热管21依次安装在第一沟槽31内，并且将集流管22安装在第二沟槽32内。在完成换热管21和集流管22的上述安装之后，彼此连通或连接换热管21和集流管22以形成所述的换热组件20。可以理解，可以首先安装换热管21和集流管22以形成换热组件20，之后再将换热管21和/或集流管22的至少一部分容纳在热量传递部件30的相应的沟槽31和/或32中。当然，也可以将换热管21和/或集流管22分别安装在所述沟槽31和/或32中以在热量传递部件30上形成换热组件20。
当然，也可以将集流管22围绕壳体10的周向方向折弯形成筒状件，使得集流 管22围绕周向方向布置，相应地换热管21围绕轴向方向布置。另外，第一沟槽31和/或第二沟槽32都可以通过冲压一金属平板来形成，即制造出所述热量传递部件30。
在本发明的第一实施例中，所述热水器的传热原理如下：诸如冷媒的制冷剂传热于扁管21，扁管21向水箱的壳体10的表面传热；同时扁管21还向诸如平板的热量传递部件30传热，该热量传递部件30也向水箱的壳体10的表面传热。
第二实施例
参见图5-7，示出了根据本发明的第二实施例的热水器以及形成该热水器的方法。
从图5-7可见，该第二实施例是第一实施例的变形例，其基本原理和基本结构布置大致与第一实施例相同。因此，在此仅描述其与第一实施例的热水器的不同之处，相同之处不再累述。
如图5所示，在第二实施例中，热量传递部件30也由一块金属板形成。热量传递部件30上仅设置有用于至少部分地容纳换热管21的第一沟槽31，和用于至少部分地容纳集流管22的第二沟槽32。但是，热量传递部件30的两端处不再设置有如在第一实施例中所述的凸出部。
这样，集流管22就直接布置在热量传递部件30的两端。通过其与热量传递部件30或换热管21之间的连接，固定在热量传递部件30上。
如图6a和6b所示，将组装好的换热组件20整体地贴合或装配在热量传递部件30上，即将其的换热管21和集流管22分别插入到第一沟槽31和第二沟槽32中。如图7所示，将换热组件20与热量传递部件30组装并焊接在一起形成一个整体后，折弯集流管22以环绕在壳体10的表面上。
在本发明的第二实施例中，所述热水器的传热原理如下：诸如冷媒的制冷剂传热于扁管21，扁管21向水箱的壳体10的表面传热；同时扁管21还向诸如平板的热量传递部件30传热，该热量传递部件30也向水箱的壳体10的表面传热。
第三实施例
参见图8-9，示出了根据本发明的第三实施例的热水器以及形成该热水器的方法。
从图8-9可见，该第三实施例是第一实施例的变形例，其基本原理和基本结构布 置大致与第一实施例相同。因此，在此仅描述其与第一实施例的热水器的不同之处，相同之处不再累述。
如图8所示，在第三实施例中，热量传递部件30也由一块金属板形成。热量传递部件30上设置有如在第一实施例中所述的第一沟槽31’和带有安装孔331的凸出部33。但是，换热组件20包括为圆管的换热管21’和集流管22。
具体地，在图8a中，换热管21’是圆管。在图8b中，优选地，所述圆管21’的至少与大致半圆的周长对应的外表面由第一沟槽31’的内表面包覆。鉴于圆管的使用，因此第一沟槽31’的截面形状也发生变化，即为大致圆弧形。在一个实施例中，第一沟槽31’的半径尺寸的范围为0.1-25.4mm。
将换热组件20的圆管21’放置到第一沟槽31’内，进行组装并将它们焊接在一起。在将换热组件20和热量传递部件30形成一个整体后，围绕水箱的壳体10的表面的周向方向折弯集流管22，以使得集流管22沿着所述周向方向布置，而圆管21’沿着所述轴向方向布置。通过热量传递部件30的凸出部33上的安装孔331的对接，例如类似铆钉的结构将它们固定在壳体10的表面上。
在本发明的第三实施例中，所述热水器的传热原理如下：诸如冷媒的制冷剂传热于圆管21’，圆管21′向水箱的壳体10的表面传热；同时圆管21’还向诸如平板的热量传递部件30传热，该热量传递部件30也向水箱的壳体10的表面传热。
第四实施例
参见图10-11，示出了根据本发明的第四实施例的热水器以及形成该热水器的方法。
从图10-11可见，该第四实施例是第三实施例的变形例，其基本原理和基本结构布置大致与第三实施例相同。因此，在此仅描述其与第三实施例的热水器的不同之处，相同之处不再累述。
在第四实施例中，参见图10b，热量传递部件30上没有设置带有安装孔的凸出部。此外，如图10a和11所示，将换热组件20中的圆管21’放置在热量传递部件30上的第一沟槽31’之后，通过粘贴、焊接和/或机械胀紧的方式将圆管21’固定在第一沟槽31’中。在热量传递部件30和换热组件20形成一个整体后，围绕水箱的壳体10的表面的周向方向折弯圆管21’，以使得圆管21’沿着所述周向方向布置，而集流管22沿着所述轴向方向布置。在此，可以通过支撑件、焊接、粘贴或机械胀紧的方式将所述换热组件20和热量传递部件30的整体固定在壳体10的外表面上。
在本发明的第四实施例中，所述热水器的传热原理如下：诸如冷媒的制冷剂传热于圆管21’，圆管21′向水箱的壳体10的表面传热；同时圆管21’还向诸如平板的热量传递部件30传热，该热量传递部件30也向水箱的壳体10的表面传热。
第五实施例
参见图12，示出了根据本发明的第五实施例的热水器以及形成该热水器的方法。
从图12可见，该第五实施例是第一实施例的变形例，其基本原理和基本结构布置大致与第一实施例相同。因此，在此仅描述其与第一实施例的热水器的不同之处，相同之处不再累述。
在本实施例中，换热组件20与第一实施例中的换热组件相同，而热量传递部件30’与第一实施例中的热量传递部件不同。热量传递部件30’由多条金属条34构成，两条相邻的金属条34中间设置一根换热管21并且将它们彼此焊接在一起。此后，将焊接连接的换热管21和金属条34一起折弯，从而将它们固定在壳体10的外表面上。
由于金属条之间间隔地设置有换热管21，因此金属条的一边框至少部分地与壳体10的外表面接触。如图所示，金属条34的横截面形状为矩形框、门形框或与壳体接触的一边框所对的另一边框带有槽口的矩形框。
当然，换热组件20还包括两根集流管22，并且换热管21的端部与集流管22连接。
所述由金属条34构成的热量传递部件30’通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体10上。
当然，也可以在该热量传递部件30’的两端处设置有带有安装孔331的凸出部33，以将它们固定在壳体10上。或者将在换热组件20上当其围绕在壳体10上后相互靠近的两端设置支撑件，通过连接两端的支撑件，将热交换组件20紧紧地包裹在壳体10外，以将换热组件20和热量传递部件30固定到壳体10上。或者将换热组件20通过焊接、粘贴或机械胀紧的方式固定在水箱的壳体10上。
在本实施例中，壳体10可以是筒状壳体，换热管21和集流管22中的一个在筒状壳体的周向方向围绕筒状壳体的至少一部分设置，而换热管21和集流管22中的另一个在筒状壳体的轴向上设置。
如图12所示，将换热管21在筒状壳体的周向方向围绕筒状壳体的至少一部分 设置，而集流管22在筒状壳体的轴向上设置。
为了便于安装，在本发明中优选地，在装配时采用了不带翅片的换热管。当然，本领域技术人员也可以根据需要来选择是否安装翅片。
在本示例中，提供了一种形成根据第五实施例的热水器的方法，所述方法包括步骤：提供包括换热管21的换热组件20；提供水箱的壳体10，所述壳体10限定容纳水的腔室；提供热量传递部件30，其中所述热量传递部件30由多条金属条34构成；将每根换热管21设置在两条金属条34之间并且彼此焊接；折弯换热管21和金属条34，并且装配固定在所述壳体10上。
在本发明的第五实施例中，所述热水器的传热原理如下：诸如冷媒的制冷剂传热于扁管21，扁管21向水箱的壳体10的表面传热；同时扁管21还向由金属条34构成的热量传递部件30传热，该金属条34也向水箱的壳体10的表面传热。
在图13a中示出了现有技术中的诸如扁管的换热管21和水箱的壳体10的表面的接触，即换热管21的一面和水箱的壳体10接触，而三面和空气接触。
在图13b中示出了本发明的诸如扁管的换热管21和水箱的壳体10的表面的接触：换热管21的一面和水箱的壳体10接触，其他三面和热量传递部件30接触，且热量传递部件30的换热管21之间的部分与壳体10的表面紧密接触。或者说，在本发明中通过增设热量传递部件30，换热管21的其它三面将热量传递给热量传递部件30，而随着热量传递部件30的温度升高，可以将热量传递给水箱或水箱的壳体10。
本发明公开的空气源热泵热水器采用微通道换热器技术，微通道换热器具有成本低、耐腐蚀能力强、冷媒充注量少、流路优化简单、换热面积利用充分、换热管不与水直接接触及其焊接工艺单接、结构新颖等优点。
本发明提供的热泵热水器最大限度使用了换热管的换热面积，而使得热泵热水器的换热效果好；而基于换热效果好，还可以有效减少换热管的数量。
另外，可以理解，在本发明中各实施例所公开的内容，在结构和安装原理方面不相违背的情况下，可以应用到其他实施例中，虽然在此没有详细地对它们的结合进行描述。
除上述描述的形成热水器的方法之外，本发明还提供了以下形成热水器的方法。
在一个示例中，一种形成热水器的方法，所述方法包括步骤：提供换热组件；提供水箱的壳体，所述壳体限定容纳水的腔室；提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；折弯换热组件中的换热管或 集流管，并且将热量传递部件贴合到换热组件上；将换热组件和热量传递部件一起装配到壳体上。
在另一示例中，一种形成热水器的方法，所述方法包括步骤：提供换热组件；提供水箱的壳体，所述壳体限定容纳水的腔室；提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；折弯换热组件中的换热管或集流管，并且将换热组件装配到所述壳体上；将热量传递部件贴合到换热组件上。
需要说明的是，在本发明中将换热组件和热量传递部件中的一个或两者固定在壳体的方式可以是：仅将换热组件固定在壳体上而热量传递部件通过与换热组件之间的连接被固定；换热组件与壳体之间不进行固定而是热量传递部件固定在壳体上，此时换热组件与热量传递部件固定连接；壳体、换热组件和热量传递部件两两之间彼此固定连接。
以上仅为本发明的一些实施例，本领域普通技术人员将理解，在不背离本总体发明构思的原则和精神的情况下，可对这些实施例做出改变，本发明的范围以权利要求和它们的等同物限定。

Claims (30)

  1. 一种热水器，包括：
    水箱的壳体，限定了容纳水的腔室；
    换热组件，所述换热组件包括间隔地设置的多根换热管；
    热量传递部件，围绕壳体的外表面布置且用于促进换热管中的流体与腔室内的水的热交换以改变水的温度，所述热量传递部件的朝向壳体的表面上设置有沿第一方向延伸的用于至少部分地容纳换热管的第一沟槽，并且所述热量传递部件和/或换热组件固定在壳体上。
  2. 根据权利要求1所述的热水器，其中
    形成在热量传递部件的表面上的沿着第二方向延伸的第二沟槽，以及
    所述换热组件还包括集流管，该集流管的至少一部分设置在所述第二沟槽中，并且换热管的端部与集流管连接。
  3. 根据权利要求1所述的热水器，其中
    所述第一沟槽的截面形状与所述换热管的设置在第一沟槽中的部分的截面形状相同。
  4. 根据权利要求1所述的热水器，其中
    所述热量传递部件的两个相邻的第一沟槽之间的部分与水箱的壳体至少部分地接触。
  5. 根据权利要求1-4中任一项所述的热水器，其中
    所述换热管是扁管，该扁管具有四个侧面，所述四个侧面中的至少三个侧面由所述第一沟槽的内表面包覆，优选地扁管的高度所对应的一侧插入到第一沟槽内而该高度所对应的另一侧与水箱的壳体接触；或
    所述换热管是圆管，所述圆管的至少与大致半圆的周长对应的外表面由第一沟槽的内表面包覆。
  6. 根据权利要求2所述的换热器，其中
    所述第二沟槽包覆集流管的至少90％以上的外表面。
  7. 根据权利要求1-6中任一项所述的热水器，其中
    所述热量传递部件由一块金属板通过冲压形成。
  8. 根据权利要求1-7中任一项所述的热水器，其中
    所述热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体上；和/或
    热量传递部件通过焊接、粘贴或机械胀紧的方式和换热管连接。
  9. 根据权利要求1-7中任一项所述的热水器，其中
    所述热量传递部件还包括凸出部，每个所述凸出部设置在第二沟槽的外侧且从热量传递部件径向向外延伸。
  10. 根据权利要求9所述的热水器，其中
    所述凸出部上设置有用于将热量传递部件固定在所述壳体上的多个安装孔。
  11. 根据权利要求2所述的热水器，其中
    所述第二沟槽的截面形状与所述集流管的设置在第二沟槽中的部分的截面形状相同。
  12. 根据权利要求2所述的热水器，其中
    所述壳体是筒状壳体，
    所述换热管和所述集流管中的一个在筒状壳体的周向方向上围绕筒状壳体的至少一部分设置，以及
    所述换热管和所述集流管中的另一个在筒状壳体的轴向方向上设置。
  13. 根据权利要求2所述的热水器，其中
    第一方向大致垂直于第二方向。
  14. 根据权利要求1-13中任一项所述的热水器，其中
    所述第一或第二沟槽的内表面上设置有焊接材料或导热材料。
  15. 一种形成热水器的方法，包括如下步骤：
    提供包括换热管的换热组件；
    提供水箱的壳体，所述壳体限定容纳水的腔室；
    提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；
    将换热组件组装到热量传递部件上；
    将换热组件和热量传递部件一起装配到壳体上。
  16. 根据权利要求15所述的形成热水器的方法，其中
    将换热组件和热量传递部件一起装配到壳体上的步骤包括：将换热组件和热量传递部件折弯并围绕所述壳体的至少一部分将它们布置在水箱的壳体的外表面上。
  17. 根据权利要求16所述的形成热水器的方法，其中
    所述将换热组件组装到热量传递部件上的步骤包括：将换热组件的换热管的至少一部分容纳在所述第一沟槽中。
  18. 根据权利要求15-17中任一项所述的形成热水器的方法，其中
    在热量传递部件的表面上还形成有沿着第二方向延伸的第二沟槽；
    提供换热组件的步骤包括：将换热管的端部与集流管连接形成换热组件，
    将换热组件组装到热量传递部件上的步骤包括：将集流管的至少一部分容纳在第二沟槽中；
    将换热组件和热量传递部件一起装配到壳体上的步骤还包括：将换热组件中的集流管或换热管与热量传递部件一起折弯形成筒状件。
  19. 根据权利要求15所述的形成热水器的方法，其中
    提供热量传递部件的步骤包括冲压一金属板，以在金属板上形成沿着第一方向延伸的第一沟槽，
    将换热组件和热量传递部件一起装配到壳体上的步骤包括：将换热组件中的换热管与热量传递部件一起折弯形成筒状件。
  20. 根据权利要求18或19所述的形成热水器的方法，其中
    第一方向大致垂直于第二方向。
  21. 根据权利要求15所述的形成热水器的方法，其中
    将换热组件和热量传递部件装配在壳体上的步骤包括将热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式将热量传递部件固定在壳体上；和/或
    将换热组件组装到热量传递部件上的步骤包括将热量传递部件通过焊接、粘贴或机械胀紧的方式和将换热组件连接。
  22. 根据权利要求15所述的形成热水器的方法，其中
    所述热量传递部件的第二沟槽的外侧还设置有突出部，该突出部从热量传递部件径向向外延伸，通过所述凸出部上的多个安装孔将热量传递部件固定在所述壳体上。
  23. 一种热水器，包括：
    水箱的壳体，限定了容纳水的腔室；
    换热组件，所述换热组件包括间隔地设置的多根换热管；
    热量传递部件，围绕壳体的外表面布置且用于促进换热管中的流体与腔室内的水的热交换以改变水的温度，
    其中所述热量传递部件由多条金属条构成，两条相邻的金属条中间设置一根换热管并且彼此焊接连接，并且它们一起包覆固定在壳体上。
  24. 根据权利要求23所述的热水器，其中
    金属条的一边框至少部分地与所述壳体接触，所述金属条的横截面形状为矩形框、门形框或与壳体接触的一边框所对的另一边框带有槽口的矩形框。
  25. 根据权利要求23或24所述的热水器，其中
    所述换热组件还包括集流管，换热管的端部与集流管连接。
  26. 根据权利要求23-25中任一项所述的热水器，其中
    所述热量传递部件通过支撑件、焊接、粘贴或机械胀紧的方式固定在水箱的壳体上；或
    所述热量传递部件还包括在其两端处的凸出部，每个所述凸出部从热量传递部件径向向外延伸，所述凸出部上设置有用于将热量传递部件固定在所述壳体上的多个安装孔。
  27. 根据权利要求25所述的热水器，其中
    所述壳体是筒状壳体，
    所述换热管和所述集流管中的一个在筒状壳体的周向方向上围绕筒状壳体的至少一部分设置，以及
    所述换热管和所述集流管中的另一个在筒状壳体的轴向方向上设置。
  28. 一种形成热水器的方法，所述方法包括步骤：
    提供换热组件；
    提供水箱的壳体，所述壳体限定容纳水的腔室；
    提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；
    折弯换热组件中的换热管或集流管，并且将热量传递部件贴合到换热组件上；
    将换热组件和热量传递部件一起装配到壳体上。
  29. 一种形成热水器的方法，所述方法包括步骤：
    提供换热组件；
    提供水箱的壳体，所述壳体限定容纳水的腔室；
    提供热量传递部件，其中在所述热量传递部件的表面上形成有沿着第一方向延伸的第一沟槽；
    折弯换热组件中的换热管或集流管，并且将换热组件装配到所述壳体上；
    将热量传递部件贴合到换热组件上。
  30. 一种形成根据权利要求23-27中任一项所述的热水器的方法，所述方法包括步骤：
    提供包括换热管的换热组件；
    提供水箱的壳体，所述壳体限定容纳水的腔室；
    提供热量传递部件，其中所述热量传递部件由多条金属条构成；
    将每根换热管设置在两条金属条之间并且彼此焊接；
    折弯换热管和金属条，并且装配固定在所述壳体上。
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