CN203758090U - Heat exchanger and refrigeration circulating device utilizing same - Google Patents
Heat exchanger and refrigeration circulating device utilizing same Download PDFInfo
- Publication number
- CN203758090U CN203758090U CN201420043324.9U CN201420043324U CN203758090U CN 203758090 U CN203758090 U CN 203758090U CN 201420043324 U CN201420043324 U CN 201420043324U CN 203758090 U CN203758090 U CN 203758090U
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- Prior art keywords
- transfer pipe
- heat
- disruption
- plane
- heat exchanger
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- 238000005057 refrigeration Methods 0.000 title abstract 2
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 142
- 238000011144 upstream manufacturing Methods 0.000 claims description 65
- 238000005452 bending Methods 0.000 claims description 16
- 238000005304 joining Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 16
- 238000003756 stirring Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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
- F28D7/10—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 the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—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 the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
-
- 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
- F28F1/14—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 and extending longitudinally
- F28F1/20—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 and extending longitudinally the means being attachable to the element
-
- 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
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/08—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by varying the cross-section of the flow channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a heat exchanger and a refrigeration circulating device utilizing the same. A tubular flow channel of the heat exchanger is formed on the inner circumferential surface of an outer side heat transfer pipe and the outer circumferential surface of an inner side heat transfer pipe to enable heat exchange to be performed on a first heat medium flows in the flow channel and a second heat medium located on the outer side of the outer side heat transfer pipe or the inner side of the inner side heat transfer pipe; convex portions and concave portions are alternately formed in a middle heat transfer pipe in the integral circumferential direction of the tubular flow channel, wherein the middle heat transfer pipe is formed by metal; at least part of the tops of the convex portions or at least part of the bottoms of the concave portions of the middle heat transfer pipe are in abutting joint with heat transfer pipes which are connected with the second heat medium and arranged in the outer side heat transfer pipe and the inner side heat transfer pipe; at least one first opening portion is formed in an area located between the top and the bottom of the middle heat transfer pipe, wherein the outer circumferential surface can be communicated with the inner circumferential surface of the middle heat transfer pipe through the first opening portion.
Description
Technical field
The utility model relates to heat exchanger and uses the refrigerating circulatory device of this heat exchanger.
Background technology
As heat exchanger in the past, be formed with the stream of tubular at the inner peripheral surface of outside heat-transfer pipe and the outer peripheral face of inner side heat-transfer pipe, the first thermal medium flowing in this stream and the second thermal medium of the outside of this outside heat-transfer pipe or the inner side of this inner side heat-transfer pipe carry out heat exchange.In the stream of tubular, at the whole middle heat-transfer pipe that has alternately formed protuberance and recess on circumferentially of this stream, at least a portion of at least a portion at the top of its protuberance or the bottom of its recess be connected to outside heat-transfer pipe and inner side heat-transfer pipe in the heat-transfer pipe that joins of the second thermal medium, heat transfer area extended (for example,, with reference to patent documentation 1) thus.
Prior art document
Patent documentation
Patent documentation 1 TOHKEMY 2012-63067 communique (［ 0057 ］～［ 0061 ］ section, Fig. 6, Fig. 7)
In such heat exchanger, the first thermal medium is branched off into the stream (hereinafter referred to as middle heat-transfer pipe outside passages) between the outside inner peripheral surface of heat-transfer pipe and the outer peripheral face of middle heat-transfer pipe, and stream (hereinafter referred to as middle heat-transfer pipe inside passages) between the outer peripheral face of inner side heat-transfer pipe and the inner peripheral surface of middle heat-transfer pipe, after the upstream side of middle heat-transfer pipe flows into, the first thermal medium can not pass in and out between middle heat-transfer pipe outside passages and middle heat-transfer pipe inside passages, the flow of the first thermal medium flowing in each stream becomes inhomogeneous, the problem that exists heat exchanger effectiveness to reduce.In addition, stir and become insufficient, the problem that exists heat exchanger effectiveness to reduce.
Utility model content
The utility model is made as background taking above-mentioned problem, its objective is the heat exchanger of the heat exchanger effectiveness that has been improved.In addition, the purpose of this utility model is the refrigerating circulatory device that obtains using the heat exchanger that has improved heat exchanger effectiveness.
Heat exchanger of the present utility model is the stream that forms tubular on the outer peripheral face of the inner peripheral surface of outside heat-transfer pipe and inner side heat-transfer pipe, make the first thermal medium mobile in this stream and the second thermal medium of the outside of outside heat-transfer pipe or the inner side of inner side heat-transfer pipe carry out heat exchange, wherein, in the stream of tubular, what be arranged on this stream has wholely alternately formed heat-transfer pipe in the middle of protuberance and recess metal on circumferentially, middle heat-transfer pipe, at least a portion of at least a portion at the top of protuberance or the bottom of recess is connected to the heat-transfer pipe joining with the second thermal medium in outside heat-transfer pipe and inner side heat-transfer pipe, at middle heat-transfer pipe, region between top and bottom, formation makes at least one first peristome connecting to inner peripheral surface from the outer peripheral face of middle heat-transfer pipe.
Preferably, in region middle heat-transfer pipe, between top and bottom, be formed with first plane of disruption that makes the wire connecting to inner peripheral surface from the outer peripheral face of this centre heat-transfer pipe, link straight line between the two ends of first plane of disruption crossing with the length direction of stream, the first peristome is formed by following mode: the inner peripheral surface in downstream middle heat-transfer pipe, that be positioned at first plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, or side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face in downstream middle heat-transfer pipe, that be positioned at first plane of disruption.
Preferably, first plane of disruption is the side-prominent plane of disruption upstream between two ends.
Preferably, in region middle heat-transfer pipe, between top and bottom, be formed with second plane of disruption that makes the wire connecting to inner peripheral surface from the outer peripheral face of this centre heat-transfer pipe, link straight line between the two ends of second plane of disruption crossing with the length direction of stream, the second peristome is formed by following mode: the inner peripheral surface of upstream side middle heat-transfer pipe, that be positioned at second plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, or side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face of upstream side middle heat-transfer pipe, that be positioned at second plane of disruption.
Preferably, second plane of disruption is arranged and is formed in the downstream of first plane of disruption, the first peristome and the second peristome are formed by following mode: the inner peripheral surface in region middle heat-transfer pipe, between first plane of disruption and second plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, or the outer peripheral face in region middle heat-transfer pipe, between first plane of disruption and second plane of disruption is interior side-prominent to the inner peripheral surface of this centre heat-transfer pipe.
Preferably, the first peristome is formed by following mode: the inner peripheral surface in downstream middle heat-transfer pipe, that be positioned at first plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, and side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face of upstream side that is positioned at first plane of disruption, or, the outer peripheral face in middle downstream heat-transfer pipe, that be positioned at first plane of disruption is side-prominent to the inner peripheral surface of this centre heat-transfer pipe, and the inner peripheral surface that is positioned at the upstream side of first plane of disruption is given prominence to the outside of the outer peripheral face of this centre heat-transfer pipe.
Preferably, region middle heat-transfer pipe, between top and bottom is to inner side or the outside curve of this centre heat-transfer pipe, and the inner peripheral surface in downstream middle heat-transfer pipe, that be positioned at first plane of disruption or outer peripheral face are from the outer peripheral face of this centre heat-transfer pipe or inner peripheral surface to different from bending one side-prominent.
Preferably, the first peristome is that inner peripheral surface or the outer peripheral face in the downstream that is positioned at first plane of disruption in two adjacent the first peristomes in multiple, middle heat-transfer pipe, multiple the first peristomes is different side-prominent towards each other from outer peripheral face or the inner peripheral surface of this centre heat-transfer pipe.
Preferably, the first peristome is multiple, and multiple the first peristomes are made as staggered along the length direction of stream.
Preferably, middle heat-transfer pipe forms by the length direction of stream being divided into upstream side region and the region, downstream that two parts form, and the first peristome is only formed on upstream side region.
Preferably, refrigerating circulatory device of the present utility model uses above heat exchanger.
The effect of utility model
Heat exchanger of the present utility model is the region between the top of the protuberance of middle heat-transfer pipe and the bottom of recess, formation makes at least one first peristome connecting to inner peripheral surface from the outer peripheral face of middle heat-transfer pipe, thus, the first thermal medium can pass in and out between middle heat-transfer pipe outside passages and middle heat-transfer pipe inside passages, the flow of the first thermal medium in each stream becomes evenly, and heat exchanger effectiveness improves.In addition, stirring is promoted, and heat exchanger effectiveness improves.
Brief description of the drawings
Fig. 1 is the cutaway view in direction heat exchanger, that be parallel to axle of embodiment 1 of the present utility model.
Fig. 2 be embodiment 1 of the present utility model heat exchanger, perpendicular to the cutaway view in the direction of axle.
Fig. 3 is the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 1 of the present utility model.
Fig. 4 is the partial enlarged drawing of the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 2 of the present utility model.
Fig. 5 is the cutaway view in direction through-hole section, that be parallel to axle of the heat exchanger of embodiment 2 of the present utility model.
Fig. 6 is the partial enlarged drawing of the stereogram under state variation, that pulled down outside heat-transfer pipe of the heat exchanger of embodiment 2 of the present utility model.
Fig. 7 is the cutaway view in the direction that is parallel to axle variation, through-hole section of the heat exchanger of embodiment 2 of the present utility model.
Fig. 8 is the partial enlarged drawing of the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 3 of the present utility model.
Fig. 9 is the cutaway view in the direction that is parallel to axle heat exchanger, slit portion of embodiment 3 of the present utility model.
Figure 10 is the cutaway view in direction variation, that be parallel to axle of the heat exchanger of embodiment 3 of the present utility model.
Figure 11 is the cutaway view in direction variation, that be parallel to axle of the heat exchanger of embodiment 3 of the present utility model.
Figure 12 is the cutaway view in direction heat exchanger, that be parallel to axle of embodiment 4 of the present utility model.
Figure 13 be embodiment 5 of the present utility model heat exchanger, perpendicular to the cutaway view in the direction of axle.
Figure 14 be embodiment 5 of the present utility model heat exchanger, perpendicular to the cutaway view in the direction of axle.
Figure 15 is the figure that represents an example of the structure of the refrigerating circulatory device of embodiment 6 of the present utility model.
Figure 16 is the figure that represents an example of the structure of the refrigerating circulatory device of embodiment 6 of the present utility model.
The explanation of Reference numeral
1 heat exchanger, 11 outside heat-transfer pipes, 12 entrances, 13 outlets, 21 inner side heat-transfer pipes, 22 entrances, 23 outlets, heat-transfer pipe in the middle of 31, 32 entrances, 33 outlets, 34 protuberances, 35 recesses, 36 separating parts, 37 upstream side regions, 38 region, downstreams, 41 holes, 51 through-hole section, 52 geosutures, 53 planes of disruption, 54, the two ends of 55 planes of disruption, the top of 56 planes of disruption, 57 gaps, 61 slit portions, 62 upstream side geosutures, 63 downstream geosutures, the 64 upstream side planes of disruption, the 65 downstream planes of disruption, 66, the two ends of the 67 upstream side planes of disruption, 68, the two ends of the 69 downstream planes of disruption, 70 upstream side gaps, 71 gap, downstreams, 72 gaps, 81 inner side heat-transfer pipe outside passages, 82 inner side heat-transfer pipe inside passages, heat-transfer pipe outside passages in the middle of 83, heat-transfer pipe inside passages in the middle of 84, 91 refrigerating circulatory devices, 92 compressors, 93 First Heat Exchangers, 94 second heat exchangers, 95 throttling arrangements, 96 the 3rd heat exchangers, 97 flow passage selector devices.
Detailed description of the invention
Below, use brief description of the drawings heat exchanger of the present utility model.
In addition, below illustrated that heat exchanger of the present utility model is that the first thermal medium carries out the heat exchanger (usually said double-tube type heat exchanger) of heat exchange with the second thermal medium of the flows inside at inner side heat-transfer pipe, but be not limited to this situation.In heat exchanger of the present utility model, for example, also comprise the first thermal medium and the heat exchanger (three layers of usually said pipe heat exchanger) etc. that carries out the heat exchanger of heat exchange and the first thermal medium and the second thermal medium of the flows inside at inner side heat-transfer pipe at the second thermal medium of the flows outside of outside heat-transfer pipe and carry out heat exchange at the 3rd thermal medium of the flows outside of outside heat-transfer pipe.
In addition, below illustrated that the first thermal medium and the second thermal medium are the situation of cold-producing medium mobile in the refrigerant circulation loop of refrigerating circulatory device, but be not limited to this situation.For example, the first thermal medium or the second thermal medium can be also other fluids of water etc., in addition, the second thermal medium can be not yet in inner side or the flows outside of pipe.
In addition, below structure, the action etc. of explanation are only an example, but are not limited to such structure, action etc.In addition, in each figure, same or similar parts or part are marked to identical Reference numeral.In addition, about detailed structure, suitably diagram is simplified or omitted.In addition, about repeating or similarly explanation, suitably simplify or omit.
Embodiment 1
Heat exchanger about embodiment 1 describes.
The structure > of < heat exchanger
Below, describe about the structure of the heat exchanger of embodiment 1.
Fig. 1 is the cutaway view in direction heat exchanger, that be parallel to axle of embodiment 1 of the present utility model.
Fig. 2 be embodiment 1 of the present utility model heat exchanger, perpendicular to the cutaway view in the direction of axle.As shown in Figure 1, heat exchanger 1 has outside heat-transfer pipe 11, inner side heat-transfer pipe 21 and middle heat-transfer pipe 31.
Between outside heat-transfer pipe 11 and inner side heat-transfer pipe 21, form the inner side heat-transfer pipe outside passages 81 of tubular.Form inner side heat-transfer pipe inside passages 82 in the inner side of inner side heat-transfer pipe 21.The first cold-producing medium flowing into from the entrance 12 of outside heat-transfer pipe 11 flows out from the outlet 13 of outside heat-transfer pipe 11.The second refrigerant flowing into from the entrance 22 of inner side heat-transfer pipe 21 flows out from the outlet 23 of inner side heat-transfer pipe 21.If the flow direction of the first cold-producing medium is contrary with the flow direction of second refrigerant, heat exchanger effectiveness is good.The flow direction of the first cold-producing medium and the flow direction of second refrigerant also can be in the same way.The first cold-producing medium is equivalent to " the first thermal medium " in the utility model.Second refrigerant is equivalent to " the second thermal medium " in the utility model.
Middle heat-transfer pipe 31 is arranged in a part for length direction for inner side heat-transfer pipe outside passages 81.Middle heat-transfer pipe 31 is for example metal system.Between the inner peripheral surface of outside heat-transfer pipe 11 and the outer peripheral face of middle heat-transfer pipe 31, heat-transfer pipe outside passages 83 in the middle of forming.Between the outer peripheral face of inner side heat-transfer pipe 21 and the inner peripheral surface of middle heat-transfer pipe 31, heat-transfer pipe inside passages 84 in the middle of forming.The first cold-producing medium of inner side heat-transfer pipe outside passages 81 is heat-transfer pipe outside passages 83 and middle heat-transfer pipe inside passages 84 in the middle of entrance 32 branches of middle heat-transfer pipe 31 also flow into, and flows out from the outlet 33 of middle heat-transfer pipe 31.
In middle heat-transfer pipe 31, at whole protuberance 34 and the recess 35 of circumferentially alternately forming of inner side heat-transfer pipe outside passages 81.Between the top of protuberance 34 and the bottom of recess 35, be provided with separating part 36.Separating part 36 can be plane, can be also to the outside of middle heat-transfer pipe 31 or the flexure plane of inside bend.In addition,, in Fig. 2, show the situation that protuberance and recess form with the angle intervals of 60 ° respectively, but be not limited to this situation.In addition, angle intervals also can be unequal.
At least a portion at the top of protuberance 34 also can with the inner peripheral surface butt of outside heat-transfer pipe 11, also butt not.The outer peripheral face butt of at least a portion of the bottom of recess 35 and inner side heat-transfer pipe 21.The whole region of the bottom of recess 35 on the length direction of middle heat-transfer pipe 31 and in the omnirange around axle, with the outer peripheral face butt of inner side heat-transfer pipe 21, heat exchanger effectiveness improves in the case.In addition, the contact area between the bottom of recess 35 and the outer peripheral face of inner side heat-transfer pipe 21 is that in uniform situation, heat exchanger effectiveness further improves in the omnirange around axle.
After inner side heat-transfer pipe 21 and middle heat-transfer pipe 31 are inserted in the heat-transfer pipe 11 of outside, in the middle of being positioned at of heat-transfer pipe 11 of outside part or all of the region in the outside of heat-transfer pipe 31 in the omnidirectional around axle by the draw, or, in the middle of being positioned at of heat-transfer pipe 21 of inner side part or all of the region of the inner side of heat-transfer pipe 31 in the omnirange around axle by expander, thus, preferably at least a portion at the top of protuberance 34 or all with the inner peripheral surface attaching of outside heat-transfer pipe 11, and at least a portion of the bottom of recess 35 or all with the outer peripheral face attaching of inner side heat-transfer pipe 21.In the middle of being positioned at of outside heat-transfer pipe 11, the region in the outside of heat-transfer pipe 31 is whole in the draw, or the region of the inner side of heat-transfer pipe 31 is whole in expander in the middle of being positioned at of inner side heat-transfer pipe 21, it is reliable that contact becomes, and heat exchanger effectiveness further improves.
Fig. 3 is the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 1 of the present utility model.As shown in Figure 3, on the separating part 36 of middle heat-transfer pipe 31, along the length direction of stream with the multiple holes 41 of staggered formation.Hole 41 is to make the through hole that connects from the outer peripheral face of middle heat-transfer pipe 31 to inner peripheral surface.Hole 41 is for example to form by punch process etc.In addition, in Fig. 3, show staggered multiple holes 41 and be formed on line by line the situation of separating part 36, but can be also multiple row.Hole 41 can be also one.Hole 41 is equivalent to " the first peristome " in the utility model.
The effect > of < heat exchanger
Below, describe about the effect of the heat exchanger of embodiment 1.
In heat exchanger 1, on the separating part 36 of middle heat-transfer pipe 31, be formed with multiple holes 41.Thus, the first cold-producing medium of middle heat-transfer pipe outside passages 83 and the first cold-producing medium of middle heat-transfer pipe inside passages 84 can pass in and out by hole 41, and the flow of the first thermal medium in each stream becomes evenly, and heat exchanger effectiveness improves.In addition, stirring is promoted, and heat exchanger effectiveness improves.
In addition, in heat exchanger 1, multiple holes 41 are formed as staggered.Thus, the first cold-producing medium of heat-transfer pipe outside passages 83 and the first cold-producing medium of middle heat-transfer pipe inside passages 84 in the middle of can stirring fully, heat exchanger effectiveness further improves.
Embodiment 2
Heat exchanger about embodiment 2 describes.
In addition, to repeating with embodiment 1 or similarly illustrating and suitably simplify or omit.
The structure > of < heat exchanger
Below, the structure of the heat exchanger about embodiment 2 is described.
Fig. 4 is the partial enlarged drawing of the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 2 of the present utility model.As shown in Figure 4, at the separating part 36 of middle heat-transfer pipe 31, along the length direction of stream with the multiple through-hole section 51 of staggered formation.Through-hole section 51 can be also one.
Through-hole section 51 is formed by following mode: in the middle of making, the separating part 36 of heat-transfer pipe 31 ruptures along bending geosutures 52, make to connect to inner peripheral surface from the outer peripheral face of middle heat-transfer pipe 31,, formation makes the plane of disruption 53 from the outer peripheral face of middle heat-transfer pipe 31 to the bending of inner peripheral surface, and for example makes the region of inner side of the plane of disruption 53 to outside or the inside bend of middle heat-transfer pipe 31 by punch process etc.The plane of disruption 53 is equivalent to " first plane of disruption " in the utility model.
The straight line at the two ends 54,55 of the link plane of disruption 53 is crossing with the flow direction of the first cold-producing medium, particularly preferably orthogonal, and the two ends 54,55 of the plane of disruption 53 are compared with the top 56 of the plane of disruption 53, the downstream of the flow direction in the first cold-producing medium,, make between the two ends of the plane of disruption 53 upstream lateral bend.In addition, two adjacent through-hole section 51 are preferably by the different directions from each other bending to middle heat-transfer pipe 31., with by the adjacent through-hole section 51 of the through-hole section 51 of the outside curve to middle heat-transfer pipe 31 by the inside bend to middle heat-transfer pipe 31.In addition, geosutures 52 can not be also sweeps, also can adopt such as center angle to exceed the circular arc of 180 °, bend other the curve such as curve that straight line forms to form the mode on one or more summits.
Fig. 5 is the cutaway view in the direction that is parallel to axle of through-hole section of the heat exchanger of embodiment 2 of the present utility model.In addition,, in Fig. 5, show through-hole section 51 to the outstanding situation in the outside of middle heat-transfer pipe 31.That is, in Fig. 5, the upside of middle heat-transfer pipe 31 is middle heat-transfer pipe outside passages 83, and the downside of middle heat-transfer pipe 31 is middle heat-transfer pipe inside passages 84.As shown in Figure 5, the top 56 of the plane of disruption 53 of middle heat-transfer pipe 31 is outstanding to the outside of the outer peripheral face of middle heat-transfer pipe 31, and forms gap 57.Through-hole section 51 is in the case of to middle heat-transfer pipe 31 interior side-prominent, and similarly, the top 56 of the plane of disruption 53 of middle heat-transfer pipe 31 is interior side-prominent to the inner peripheral surface of middle heat-transfer pipe 31, and forms gap 57.Gap 57 is equivalent to " the first peristome " in the utility model.
The effect > of < heat exchanger
Below, describe about the effect of the heat exchanger of embodiment 2.
In heat exchanger 1, the top 56 of the plane of disruption 53 of through-hole section 51 is outstanding from separating part 36.Thus, the first cold-producing medium flowing in middle heat-transfer pipe outside passages 83 and middle heat-transfer pipe inside passages 84 is directed to through-hole section 51 turnover, stirs and is further promoted, heat exchanger effectiveness further improves.
In addition, in heat exchanger 1, the top 56 of the plane of disruption 53 of through-hole section 51 is outstanding towards the upstream side of the flow direction of the first cold-producing medium.Thus, the leading edge effect producing while contact with the top 56 of the plane of disruption 53 according to the first cold-producing medium, the heat transmission of middle heat-transfer pipe 31 and the first cold-producing medium is promoted, and heat exchanger effectiveness further improves.
In addition, in heat exchanger 1, two adjacent through-hole section 51 are by the different directions from each other bending to middle heat-transfer pipe 31.Thus, can make cold-producing medium mobile in middle heat-transfer pipe outside passages 83 and in middle heat-transfer pipe inside passages 84 flow the first cold-producing medium both sides stir fully, heat exchanger effectiveness further improves.
< variation >
Fig. 6 is the partial enlarged drawing of the stereogram under state variation, that pulled down outside heat-transfer pipe of the heat exchanger of embodiment 2 of the present utility model.In heat exchanger 1, the geosutures 52 of through-hole section 51 are curves, but as shown in Figure 6, the geosutures 52 of through-hole section 51 can be also straight lines.Through-hole section 51 is formed by following mode: the region in the downstream that is positioned at the plane of disruption 53 of middle heat-transfer pipe 31 is for example pushed to outside or the inner side of middle heat-transfer pipe 31 by punch process etc.
Fig. 7 is the cutaway view in the direction that is parallel to axle variation, through-hole section of the heat exchanger of embodiment 2 of the present utility model.In addition,, in Fig. 7, show through-hole section 51 to the outstanding situation in the outside of middle heat-transfer pipe 31.As shown in Figure 7, the inner peripheral surface in the downstream that is positioned at the plane of disruption 53 of middle heat-transfer pipe 31 is outstanding to the outside of the outer peripheral face of middle heat-transfer pipe 31, and forms gap 57.In through-hole section 51, to middle heat-transfer pipe 31 interior side-prominent, similarly, the outer peripheral face in the downstream that is positioned at the plane of disruption 53 of middle heat-transfer pipe 31 is side-prominent to the inner peripheral surface of middle heat-transfer pipe 31, and forms gap 57.Under these circumstances, the leading edge effect producing while contact with the plane of disruption 53 according to the first cold-producing medium, the heat transmission of middle heat-transfer pipe 31 and the first cold-producing medium is promoted, and heat exchanger effectiveness improves.
Embodiment 3
Heat exchanger about embodiment 3 describes.
In addition, repeat or similarly illustrate with embodiment 1, embodiment 2 suitably simplified or omit.
The structure > of < heat exchanger
Below, describe about the structure of the heat exchanger of embodiment 3.
Fig. 8 is the partial enlarged drawing of the stereogram under state heat exchanger, that pulled down outside heat-transfer pipe of embodiment 3 of the present utility model.As shown in Figure 8, at the separating part 36 of middle heat-transfer pipe 31, along the length direction of stream with the multiple slit portions 61 of staggered formation.Slit portion 61 can be also one.
Slit portion 61 is formed by following mode: in the middle of making, the separating part 36 of heat-transfer pipe 31 ruptures along the upstream side geosutures 62 of linearity and the downstream geosutures 63 of linearity, make to connect to inner peripheral surface from the outer peripheral face of middle heat-transfer pipe 31,, formation makes the upstream side plane of disruption 64 and the downstream plane of disruption 65 of the linearity connecting to inner peripheral surface from the outer peripheral face of middle heat-transfer pipe 31, and the region between the upstream side plane of disruption 64 and the downstream plane of disruption 65 is for example pushed to outside or the inner side of middle heat-transfer pipe 31 by punch process etc.The upstream side plane of disruption 64 and the downstream plane of disruption 65 are preferably arranged and are formed along the flow direction of the first cold-producing medium.The upstream side plane of disruption 64 is equivalent to " first plane of disruption " in the utility model.The downstream plane of disruption 65 is equivalent to " second plane of disruption " in the utility model.
The straight line at the two ends 68,69 of the straight line at the two ends 66,67 of the link upstream side plane of disruption 64 and the link downstream plane of disruption 65 is crossing with the flow direction of the first cold-producing medium, particularly preferably orthogonal.Adjacent two slit portions 61 are preferably extruded to the different directions from each other of middle heat-transfer pipe 31., with by the adjacent slit portion 61 of the slit portion 61 of the outside extruding to middle heat-transfer pipe 31 pushed to the inner side of middle heat-transfer pipe 31.
In addition, upstream side geosutures 62 and downstream geosutures 63 can not be straight lines, can be also curve, for example sweep.Under these circumstances, preferably make between the two ends 66,67 of the upstream side plane of disruption 64 upstream lateral bend, make between the two ends 68,69 of the downstream plane of disruption 65 lateral bend downstream.
Fig. 9 is the cutaway view in the direction that is parallel to axle heat exchanger, slit portion of embodiment 3 of the present utility model.In addition,, in Fig. 9, show and make slit portion 61 to the outstanding situation in the outside of middle heat-transfer pipe 31.As shown in Figure 9, the inner peripheral surface in the region in the middle of making between the upstream side plane of disruption 64 and the downstream plane of disruption 65 of heat-transfer pipe 31 is outstanding to the outside of the outer peripheral face of middle heat-transfer pipe 31, and forms upstream side gap 70 and gap, downstream 71.In the case of making slit portion 61 to middle heat-transfer pipe 31 interior side-prominent, similarly, the outer peripheral face in the region between the upstream side plane of disruption 64 and the downstream plane of disruption 65 of middle heat-transfer pipe 31 is interior side-prominent to the inner peripheral surface of middle heat-transfer pipe 31, and forms upstream side gap 70 and gap, downstream 71.Upstream side gap 70 is equivalent to " the first peristome " in the utility model.Gap, downstream 71 is equivalent to " the second peristome " in the utility model.
The effect > of < heat exchanger
Below, describe about the effect of the heat exchanger of embodiment 3.
In heat exchanger 1, except upstream side gap 70, also form gap, downstream 71.Thus, the in the situation that of the first cold-producing medium adverse current, the first cold-producing medium flowing in middle heat-transfer pipe outside passages 83 and middle heat-transfer pipe inside passages 84 is also directed to slit portion 61 turnover, and stirring is promoted, and heat exchanger effectiveness further improves.In addition, the cold-producing medium of adverse current can be also the thermal medium different from the first cold-producing medium.
In addition, in heat exchanger 1, the in the situation that of the first cold-producing medium adverse current, the leading edge effect producing while contact with the downstream plane of disruption 65 by the first cold-producing medium, the heat transmission of middle heat-transfer pipe 31 and the first cold-producing medium is also promoted, and heat exchanger effectiveness improves.
In addition, in heat exchanger 1, two adjacent slit portions 61 are pushed to the different directions from each other of middle heat-transfer pipe 31.Thus, can make cold-producing medium mobile in middle heat-transfer pipe outside passages 83 and in middle heat-transfer pipe inside passages 84 flow the first cold-producing medium both sides stir fully, heat exchanger effectiveness further improves.
In addition, in heat exchanger 1, upstream side gap 70 and gap, downstream 71 are to form by the so easy processing in region between the upstream side plane of disruption 64 and the downstream plane of disruption 65 of heat-transfer pipe 31 in the middle of a direction extruding.Thus, the increase of manufacturing process etc. is suppressed.
< variation >
Figure 10 is the cutaway view in direction variation, that be parallel to axle of the heat exchanger of embodiment 3 of the present utility model.In addition,, in Figure 10, show and make the upstream side plane of disruption 64 give prominence to and make the interior side-prominent situation of the downstream plane of disruption 65 to middle heat-transfer pipe 31 to the outside of middle heat-transfer pipe 31.As shown in figure 10, slit portion 61 also can be formed by following mode: in the middle of making, the region in the downstream that is positioned at the upstream side plane of disruption 64 of heat-transfer pipe 31 and the region of the upstream side that is positioned at the downstream plane of disruption 65 of middle heat-transfer pipe 31 are extruded to the not homonymy of middle heat-transfer pipe 31, side-prominent to the inner peripheral surface of middle heat-transfer pipe 31 of the outer peripheral face of the upstream side that is positioned at the downstream plane of disruption 65 of the inner peripheral surface in the downstream that is positioned at the upstream side plane of disruption 64 of heat-transfer pipe 31, middle heat-transfer pipe 31 outstanding to the outside of the outer peripheral face of middle heat-transfer pipe 31 in the middle of making.
Figure 11 is the cutaway view in direction variation, that be parallel to axle of the heat exchanger of embodiment 3 of the present utility model.In addition,, in Figure 11, show and make the downstream of the upstream side plane of disruption 64 give prominence to and make the upstream side of the upstream side plane of disruption 64 to the interior side-prominent situation of middle heat-transfer pipe 31 to the outside of middle heat-transfer pipe 31.As shown in figure 11, slit portion 61 also can be formed by following mode: be not formed on the downstream plane of disruption 65 and be only formed on the upstream side plane of disruption 64, and, in the middle of making, the region in the downstream that is positioned at the upstream side plane of disruption 64 of heat-transfer pipe 31 and the region of the upstream side that is positioned at the upstream side plane of disruption 64 of middle heat-transfer pipe 31 are extruded to the not homonymy of middle heat-transfer pipe 31, in the middle of making, the inner peripheral surface in the downstream that is positioned at the upstream side plane of disruption 64 of heat-transfer pipe 31 is outstanding to the outside of the outer peripheral face of middle heat-transfer pipe 31, the outer peripheral face of the upstream side position that is positioned at the upstream side plane of disruption 64 of middle heat-transfer pipe 31 is side-prominent to the inner peripheral surface of middle heat-transfer pipe 31.
In addition, as long as be formed with gap 72, the in the situation that of Figure 11, the outer peripheral face of the inner peripheral surface in the downstream that is positioned at the upstream side plane of disruption 64 of middle heat-transfer pipe 31 and the upstream side that is positioned at the upstream side plane of disruption 64 of middle heat-transfer pipe 31 not necessarily must be outstanding from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface.Gap 72 is equivalent to " the first peristome " in the utility model.
Embodiment 4
Heat exchanger about embodiment 4 describes.
In addition repeat with embodiment 1～embodiment 3, or similarly illustrate and suitably simplified or omit.
The structure > of < heat exchanger
Below, describe about the structure of the heat exchanger of embodiment 4.
Figure 12 is the cutaway view in direction heat exchanger, that be parallel to axle of embodiment 4 of the present utility model.As shown in figure 12, middle heat-transfer pipe 31 is made up of upstream side region 37 and region, downstream 38.Be formed with multiple through-hole section 51 or multiple slit portion 61 in upstream side region 37.Do not form through-hole section 51 or slit portion 61 in region, downstream 38.
Can form multiple holes 41 in region, downstream 38, also can not form in addition, the outer peripheral face of middle heat-transfer pipe 31 and inner peripheral surface are preferably level and smooth.
The effect > of < heat exchanger
Below, describe about the effect of the heat exchanger of embodiment 4.
In heat exchanger 1, the upstream side region 37 of heat-transfer pipe 31 in the middle of being only formed on from the outer peripheral face of middle heat-transfer pipe 31 or the outstanding through-hole section 51 of inner peripheral surface or slit portion 61.Thus, in upstream side region 37, through-hole section 51 or slit portion 61 are upset flowing of the first cold-producing medium, thus, stir efficiency and promoted well, in addition, in region, downstream 38, do not form through-hole section 51 or slit portion 61, thus, the increase of the pressure loss is suppressed.
Embodiment 5
Heat exchanger about embodiment 5 describes.
In addition repeat with embodiment 1～embodiment 4, or similarly illustrate and suitably simplified or omit.
The structure > of < heat exchanger
Below, describe about the structure of the heat exchanger of embodiment 5.
Figure 13 and Figure 14 be embodiment 5 of the present utility model heat exchanger, perpendicular to the cutaway view in the direction of axle.As shown in FIG. 13 and 14, separating part 36 is to outside or the inside bend of middle heat-transfer pipe 31.In separating part 36, multiple through-hole section 51 or multiple slit portion 61 are formed as from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface to different from a side of separating part 36 bendings one side-prominent.
; as shown in figure 13; at separating part 36 to the outside curve of middle heat-transfer pipe 31; in mode middle heat-transfer pipe 31, that give prominence to the inside from the inner peripheral surface of middle heat-transfer pipe 31 at the outer peripheral face in the outer peripheral face in the downstream of the plane of disruption 53 or the region between the upstream side plane of disruption 64 and the downstream plane of disruption 65, form multiple through-hole section 51 or multiple slit portion 61.In addition, as shown in figure 14, in the case of making separating part 36 to the inside bend of middle heat-transfer pipe 31, in mode middle heat-transfer pipe 31, that give prominence to laterally from the outer peripheral face of middle heat-transfer pipe 31 at the inner peripheral surface in the inner peripheral surface in the downstream of the plane of disruption 53 or the region between the upstream side plane of disruption 64 and the downstream plane of disruption 65, form multiple through-hole section 51 or multiple slit portion 61.
The effect > of < heat exchanger
Below, describe about the effect of the heat exchanger of embodiment 5.
After inner side heat-transfer pipe 21 and middle heat-transfer pipe 31 are inserted in the heat-transfer pipe 11 of outside, outside heat-transfer pipe 11, be positioned in the middle of part or all of region in outside of heat-transfer pipe 31 in the omnirange of axle during by the draw, or inner side heat-transfer pipe 21, be positioned in the middle of part or all of region of inner side of heat-transfer pipe 31 in the omnirange of axle during by expander, separating part 36 is to the outside of middle heat-transfer pipe 31 or when inside bend, to increase the mode active force of its bending curvature.That is, compression force is in bending inner side, and tensile force acts on bending outside.
Under these circumstances, multiple through-hole section 51 or multiple slit portion 61 are during from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface to identical with a side of separating part 36 bendings side-prominent formation, between the two ends 54,55 of the plane of disruption 53 or between the two ends 66,67 of the upstream side plane of disruption 64 and between the two ends 68,69 of the downstream plane of disruption 65, act on and have tensile force, its overhang (outstanding height) diminishes.
In heat exchanger 1, because multiple through-hole section 51 or multiple slit portion 61 are from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface to different from a side of separating part 36 bendings side-prominent formation, so act on compressive between the two ends 54,55 of the plane of disruption 53 or between the two ends 66,67 of the upstream side plane of disruption 64 and between the two ends 68,69 of the downstream plane of disruption 65, its overhang does not diminish, thereby the promotion of stirring becomes reliable.
< variation >
On separating part 36, except forming from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface to different from a side of separating part 36 bendings one side-prominent through-hole section 51 or slit portion 61, can also form from the outer peripheral face of middle heat-transfer pipe 31 or inner peripheral surface to identical with a side of separating part 36 bendings one side-prominent through-hole section 51 or slit portion 61.Under these circumstances, middle heat-transfer pipe 31 by the state before expander or the draw under, preferably set the length of geosutures etc., so that diminish compared with overhang to identical with a side of separating part 36 bendings one side-prominent through-hole section 51 or slit portion 61 to the overhang of different from a side of bending one side-prominent through-hole section 51 or slit portion 61.
Embodiment 6
Refrigerating circulatory device about embodiment 6 describes.
In addition, below, just illustrated embodiment 1～embodiment 5 heat exchanger 1 be suitable for an example, the heat exchanger 1 of embodiment 1～embodiment 5 of the present utility model is not limited to the situation of the refrigerating circulatory device that is applicable to following explanation.
The structure > of < refrigerating circulatory device
Below, describe about the structure of the refrigerating circulatory device of embodiment 6.
Figure 15 is the figure that represents example refrigerating circulatory device, structure of embodiment 6 of the present utility model.As shown in figure 15, refrigerating circulatory device 91 has by pipe arrangement and connects the refrigerant circulation loop that compressor 92, First Heat Exchanger 93, the second heat exchanger 94, throttling arrangement 95 and the 3rd heat exchanger 96 form.
The cold-producing medium of the gaseous state of the high pressure being compressed by compressor 92 flows into First Heat Exchanger 93.In First Heat Exchanger 93, the cold-producing medium of the gaseous state of high pressure by with the thermal medium heat exchange that is fed into First Heat Exchanger 93, condensation becomes the cold-producing medium of liquid phase state.The cold-producing medium of the cold-producing medium of liquid phase state gaseous state by the low temperature that flows into from the 3rd heat exchanger 96 in the second heat exchanger 94 is by supercooling, flow throttling device 95 afterwards, is depressurized and becomes the cold-producing medium of the gas-liquid two-phase of low pressure state and flow into the 3rd heat exchanger 96.The cold-producing medium of gas-liquid two-phase state by with the thermal medium heat exchange that is fed into the 3rd heat exchanger 96, evaporation becomes the cold-producing medium of gaseous state.The cold-producing medium of the cold-producing medium of gaseous state liquid phase state by the high temperature that flows into from First Heat Exchanger 93 in the second heat exchanger 94, by overheated, flows into compressor 92 afterwards again.
Can be that First Heat Exchanger 93 becomes heat source side and the 3rd heat exchanger 96 becomes load-side, in addition, can be also that First Heat Exchanger 93 becomes load-side and the 3rd heat exchanger 96 becomes heat source side.At least one in First Heat Exchanger 93, the second heat exchanger 94 and the 3rd heat exchanger 96 used heat exchanger 1.The cold-producing medium of being supplied with by the inner side heat-transfer pipe outside passages 81 to heat exchanger 1 is equivalent to " the first thermal medium " in the utility model, and the cold-producing medium of being supplied with by the inner side heat-transfer pipe inside passages 82 to heat exchanger 1 is equivalent to " the second thermal medium " in the utility model.
In the situation that the second heat exchanger 94 uses heat exchanger 1, the cold-producing medium of the liquid phase state of the high temperature that can flow into from First Heat Exchanger 93 is fed into inner side heat-transfer pipe outside passages 81, and the cold-producing medium of the gaseous state of the low temperature flowing into from the 3rd heat exchanger 96 is fed into inner side heat-transfer pipe inside passages 82, in addition, the cold-producing medium of the liquid phase state of the high temperature that also can flow into from First Heat Exchanger 93 is fed into inner side heat-transfer pipe inside passages 82, and the cold-producing medium of the gaseous state of the low temperature flowing into from the 3rd heat exchanger 96 is fed into inner side heat-transfer pipe outside passages 81.
Figure 16 is the figure that represents example refrigerating circulatory device, structure of embodiment 6 of the present utility model.In addition, as shown in figure 16, refrigerating circulatory device 91 also can have flow passage selector device (for example, cross valve etc.) 97 in the discharge side of compressor 92, can make the loop direction reversion of cold-producing medium.
The heat exchanger 1 that uses embodiment 3 at the second heat exchanger 94, the cold-producing medium of the liquid phase state of the high temperature flowing into from First Heat Exchanger 93 is preferably fed into inner side heat-transfer pipe outside passages 81.The inner side heat-transfer pipe outside passages 81 of the heat exchanger 1 of embodiment 3 is by forming slit portion 61, even the reversion of the flow direction of inner side heat-transfer pipe outside passages 81, the promotion of stirring is also maintained.Thus, preferably follow the switching flow direction of flow passage selector device 97 nonreversible, the cold-producing medium of the gaseous state of the low temperature that flows into from the 3rd heat exchanger 96 is not supplied to inner side heat-transfer pipe outside passages 81, follows the cold-producing medium of the liquid phase state of switching flow direction high temperature reversion, that flow into from First Heat Exchanger 93 of flow passage selector device 97 to be fed into inner side heat-transfer pipe outside passages 81.
The effect > of < refrigerating circulatory device
Below, describe about the effect of the refrigerating circulatory device of embodiment 6.
Refrigerating circulatory device 91 uses the heat exchanger 1 of embodiment 1～embodiment 5 in the heat exchanger of refrigerant circulation loop, and heat exchanger effectiveness improves thus, and the environmental performance of energy saving etc. improves, and realizes in addition miniaturization.
Above, be illustrated about embodiment 1～embodiment 6, but the utility model is not limited to the explanation of each embodiment.For example, can also combine each embodiment or each variation.
Claims (11)
1. a heat exchanger, on the outer peripheral face of its inner peripheral surface at outside heat-transfer pipe and inner side heat-transfer pipe, form the stream of tubular, make the first thermal medium flowing in this stream carry out heat exchange with the second thermal medium of the outside of this outside heat-transfer pipe or the inner side of this inner side heat-transfer pipe, it is characterized in that
In the stream of described tubular, what be arranged on this stream has wholely alternately formed heat-transfer pipe in the middle of protuberance and recess metal on circumferentially,
In the middle of described, at least a portion of at least a portion at top heat-transfer pipe, described protuberance or the bottom of described recess is connected to the heat-transfer pipe joining with described the second thermal medium in described outside heat-transfer pipe and described inner side heat-transfer pipe,
Region heat-transfer pipe, between described top and described bottom in the middle of described, forms at least one first peristome making from the outer peripheral face of this centre heat-transfer pipe to inner peripheral surface perforation.
2. heat exchanger as claimed in claim 1, is characterized in that,
Region heat-transfer pipe, between described top and described bottom in the middle of described, is formed with first plane of disruption making from the outer peripheral face of this centre heat-transfer pipe to the wire of inner peripheral surface perforation,
Link straight line between the two ends of described first plane of disruption crossing with the length direction of described stream,
Described the first peristome is formed by following mode: in the middle of described, the inner peripheral surface in downstream heat-transfer pipe, that be positioned at described first plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, or side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face in downstream heat-transfer pipe, that be positioned at described first plane of disruption, described centre.
3. heat exchanger as claimed in claim 2, is characterized in that, described first plane of disruption is the side-prominent plane of disruption upstream between two ends.
4. heat exchanger as claimed in claim 2 or claim 3, is characterized in that,
Region heat-transfer pipe, between described top and described bottom in the middle of described, is formed with second plane of disruption making from the outer peripheral face of this centre heat-transfer pipe to the wire of inner peripheral surface perforation,
Link straight line between the two ends of described second plane of disruption crossing with the length direction of described stream,
Described the second peristome is formed by following mode: in the middle of described, the inner peripheral surface of upstream side heat-transfer pipe, that be positioned at described second plane of disruption is outstanding to the outside of the outer peripheral face of this centre heat-transfer pipe, or side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face of described centre upstream side heat-transfer pipe, that be positioned at described second plane of disruption.
5. heat exchanger as claimed in claim 4, is characterized in that,
Described second plane of disruption is arranged and is formed in the downstream of described first plane of disruption,
Described the first peristome and described the second peristome are formed by following mode: in the middle of described, the inner peripheral surface in region heat-transfer pipe, between described first plane of disruption and described second plane of disruption is given prominence to the outside of the outer peripheral face of this centre heat-transfer pipe, or, described in the middle of interior side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face in region heat-transfer pipe, between described first plane of disruption and described second plane of disruption.
6. heat exchanger as claimed in claim 2, it is characterized in that, described the first peristome is formed by following mode: described middle heat-transfer pipe, the inner peripheral surface that is positioned at the downstream of described first plane of disruption is given prominence to the outside of the outer peripheral face of this centre heat-transfer pipe, and side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face of upstream side that is positioned at described first plane of disruption, or, described middle heat-transfer pipe, side-prominent to the inner peripheral surface of this centre heat-transfer pipe of the outer peripheral face in downstream that is positioned at described first plane of disruption, and the inner peripheral surface that is positioned at the upstream side of described first plane of disruption is given prominence to the outside of the outer peripheral face of this centre heat-transfer pipe.
7. heat exchanger as claimed in claim 2 or claim 3, is characterized in that,
In the middle of described, region heat-transfer pipe, between described top and described bottom is to inner side or the outside curve of this centre heat-transfer pipe,
In the middle of described, the inner peripheral surface in downstream heat-transfer pipe, that be positioned at described first plane of disruption or outer peripheral face are from the outer peripheral face of this centre heat-transfer pipe or inner peripheral surface to different from described bending one side-prominent.
8. the heat exchanger as described in any one in claim 2,3,6, is characterized in that,
Described the first peristome is multiple,
Inner peripheral surface or the outer peripheral face in the downstream that is positioned at described first plane of disruption in the middle of described in two adjacent described the first peristomes heat-transfer pipe, in multiple described the first peristomes are different side-prominent towards each other from outer peripheral face or the inner peripheral surface of this centre heat-transfer pipe.
9. the heat exchanger as described in any one in claim 1～3,6, is characterized in that,
Described the first peristome is multiple,
Multiple described the first peristomes are made as staggered along the length direction of described stream.
10. the heat exchanger as described in any one in claim 1～3,6, is characterized in that,
In the middle of described, heat-transfer pipe forms by the length direction of described stream being divided into upstream side region and the region, downstream that two parts form,
Described the first peristome is only formed on described upstream side region.
11. 1 kinds of refrigerating circulatory devices, is characterized in that, right to use requires the heat exchanger described in any one in 1～10.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2013/053949 WO2014128826A1 (en) | 2013-02-19 | 2013-02-19 | Heat exchanger and cooling cycle device using same |
| JPPCT/JP2013/053949 | 2013-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758090U true CN203758090U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420043324.9U Expired - Lifetime CN203758090U (en) | 2013-02-19 | 2014-01-23 | Heat exchanger and refrigeration circulating device utilizing same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6067094B2 (en) |
| CN (1) | CN203758090U (en) |
| GB (1) | GB2525536B (en) |
| WO (1) | WO2014128826A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066525A (en) * | 2015-09-01 | 2015-11-18 | 青岛海尔电冰箱有限公司 | Micro-channel condenser even in refrigerant distribution and refrigerator |
| CN108195214A (en) * | 2017-12-28 | 2018-06-22 | 陕西仙童科技有限公司 | A kind of narrow annular channel heat exchanger for acoustic energy refrigeration machine |
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| JP6854112B2 (en) * | 2016-11-18 | 2021-04-07 | 日本碍子株式会社 | Heat exchanger |
| CN107976101B (en) * | 2017-12-22 | 2023-07-14 | 上海发电设备成套设计研究院有限责任公司 | Using method of outer fin heat exchange tube |
| CN109059601A (en) * | 2018-09-05 | 2018-12-21 | 上海发电设备成套设计研究院有限责任公司 | A kind of Compact gas-gas converting heat pipe and production and preparation method thereof |
| CA3153400A1 (en) * | 2021-04-07 | 2022-10-07 | Ecoinnovation Technologies Incorporee | Modular heat exchanger and method of assembly thereof |
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| JP4508450B2 (en) * | 2001-03-23 | 2010-07-21 | 大阪瓦斯株式会社 | Heat transfer tube and heat transfer system |
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- 2013-02-19 JP JP2015501106A patent/JP6067094B2/en not_active Expired - Fee Related
- 2013-02-19 WO PCT/JP2013/053949 patent/WO2014128826A1/en active Application Filing
- 2013-02-19 GB GB1514199.7A patent/GB2525536B/en active Active
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2014
- 2014-01-23 CN CN201420043324.9U patent/CN203758090U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066525A (en) * | 2015-09-01 | 2015-11-18 | 青岛海尔电冰箱有限公司 | Micro-channel condenser even in refrigerant distribution and refrigerator |
| CN105066525B (en) * | 2015-09-01 | 2017-12-29 | 青岛海尔电冰箱有限公司 | Refrigerant evenly distributed micro-channel condenser and refrigerator |
| CN108195214A (en) * | 2017-12-28 | 2018-06-22 | 陕西仙童科技有限公司 | A kind of narrow annular channel heat exchanger for acoustic energy refrigeration machine |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2525536B (en) | 2019-05-08 |
| GB201514199D0 (en) | 2015-09-23 |
| WO2014128826A1 (en) | 2014-08-28 |
| GB2525536A (en) | 2015-10-28 |
| JP6067094B2 (en) | 2017-01-25 |
| JPWO2014128826A1 (en) | 2017-02-02 |
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