CN107796143A - Heat exchanger and refrigeration system - Google Patents
Heat exchanger and refrigeration system Download PDFInfo
- Publication number
- CN107796143A CN107796143A CN201710569670.9A CN201710569670A CN107796143A CN 107796143 A CN107796143 A CN 107796143A CN 201710569670 A CN201710569670 A CN 201710569670A CN 107796143 A CN107796143 A CN 107796143A
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- Prior art keywords
- heat
- heat exchanger
- manifold
- header
- transferring medium
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Abstract
The present invention discloses a kind of heat exchanger and refrigeration system, and heat exchanger includes two layers of heat exchange structure for stacking setting, and it includes the first header, the second header and the heat exchange unit being arranged between the first header and the second header.First header includes at least two first mutually isolated manifolds, second header includes at least one second manifold, heat exchange unit includes at least two heat exchanger tubes be arrangeding in parallel, the both ends of heat exchanger tube connect with the first manifold and the second manifold, at least two heat exchanger tubes, at least two first manifolds and at least one second manifold is collectively forming the heat exchanger channels for the heat transferring medium that circulates.The heat exchanger channels of one of heat exchange structure are used for first heat transferring medium that circulates, and the heat exchanger channels of another heat exchange structure are used for second heat transferring medium that circulates, the second heat transferring medium and the first heat transferring medium is carried out heat exchange by heat exchanger tube.The refrigeration system includes the heat exchanger.
Description
Technical field
The present invention relates to field of heat exchange, more particularly to heat exchanger and refrigeration system.
Background technology
Heat exchanger, also referred to as heat exchanger, the equipment for carrying out heat exchange frequently as refrigerant in refrigeration system and extraneous air.Closely
Nian Lai, air conditioning for automobiles are developed rapidly, one of the chief component of heat exchanger as air conditioning for automobiles, it is also desirable to according to city
Requirement in terms of is improved optimization design.Because heat exchanger has the characteristics that high cooling efficiency, small volume, in light weight, energy
Enough requirements for meeting market well, gradually it is applied in automotive air-conditioning system in recent years.But with automobile industry
Gradually development, current heat exchanger can not meet the requirement of automobile exchange heat.
The content of the invention
First aspect according to embodiments of the present invention, there is provided a kind of heat exchanger, including two layers of heat exchange structure of setting is stacked,
The heat exchange structure includes the first header, the second header and is arranged at first header and second header
Between heat exchange unit；First header includes at least two first mutually isolated manifolds, second header
Including at least one second manifold, the heat exchange unit includes at least two heat exchanger tubes be arrangeding in parallel, the heat exchanger tube
Both ends connect with first manifold and second manifold, so that at least two heat exchanger tube, described at least two
Individual first manifold and at least one second manifold are collectively forming the heat exchanger channels for the heat transferring medium that circulates；
The respective heat exchanger tube of two layers of heat exchange structure adjoins each other correspondingly, one of them heat exchange structure
Heat exchanger channels are used for first heat transferring medium that circulates, and the heat exchanger channels of another heat exchange structure are used for the heat exchange of circulation second and are situated between
Matter, so that second heat transferring medium and first heat transferring medium carry out heat exchange by the heat exchanger tube.
Alternatively, the heat exchanger tube includes the first end that is oppositely arranged and the second end, adjacent in the same heat exchange unit
Two heat exchanger tubes be located at the first end of the same side and connected, positioned at the same side with same first manifold or the second manifold
Second end connects from the second different manifolds or the first manifold.
Alternatively, one fewer than the quantity of first manifold of the quantity of second manifold, first afflux
Pipe includes first end and the second end being oppositely arranged, and is provided with and is used for positioned at the first manifold of the first end of first header
First opening of circulation heat transferring medium, the first manifold positioned at the second end of first header are provided with to be used to circulate and exchanged heat
Second opening of medium.
Alternatively, second manifold is one, and the opposite end of second manifold is equipped with end cap.
Alternatively, second manifold is multiple that second header includes the first end and second being oppositely arranged
End, the second manifold positioned at the first end of second header is provided with end cap, positioned at the second end of second header
The second manifold be provided with end cap.
Alternatively, the quantity of second manifold is identical with the quantity of first manifold, first header
Including the first end being oppositely arranged and the second end, second header includes first end and the second end being oppositely arranged, and is located at
First manifold of the first end of first header is provided with the first opening for the heat transferring medium that circulates, positioned at described second
Second manifold at the second end of homonymy is not provided with and is used to circulate the second of heat transferring medium to open with the described first opening on header
Mouthful.
Alternatively, the first manifold positioned at the second end of first header is provided with end cap, positioned at the described second collection
Second manifold of the first end of flow tube is provided with end cap.
Alternatively, for circulate the first heat transferring medium the heat exchange structure first be open for flow into first heat exchange be situated between
Matter, second are open for exporting the first heat transferring medium；The first opening for the heat exchange structure for second heat transferring medium that circulates
It is open for the second heat transferring medium of export, second for flowing into the second heat transferring medium.
Alternatively, first header is separated at least two first manifold by dividing plate；Second collection
Chamber is flowed to be multiple, and second header is separated into the multiple second manifold by dividing plate.
Alternatively, the heat exchanger tube includes flat tube.
Alternatively, the heat exchanger tube includes plurality of rows of flat pipes.
Alternatively, the flat tube is provided with the pod apertures that multiple length directions along body run through.
Alternatively, the width of body of the multiple pod apertures along the flat tube is uniformly laid.
Alternatively, the pressure and temperature of first heat transferring medium is more than the pressure and temperature of second heat transferring medium,
Aperture for the pod apertures of the heat exchange structure for first heat transferring medium that circulates is less than the institute for being used for the second heat transferring medium of circulation
State the aperture of the pod apertures of heat exchange structure.
Second aspect according to embodiments of the present invention, there is provided a kind of refrigeration system, including any one of example institute is performed as described above
The heat exchanger stated.
The technical scheme that embodiments of the invention provide can include the following benefits：
From above-described embodiment, by the way that two layers of heat exchange structure of heat exchanger is stacked into setting, make two layers heat exchange structure
The heat exchanger tube of heat exchange unit is adjoined each other, and respective first manifold of two layers of heat exchange structure, the second manifold and heat exchanger tube are total to
With being formed with multipaths and for the heat exchanger channels of heat transferring medium of circulating, add the heat exchange process of heat exchange unit, Neng Gouyou
Effect improves heat exchange amount, while will not also increase the length of heat exchanger tube, avoid that heat exchanger tube is long and the problem of installation difficulty.Two
Two kinds of different heat transferring mediums of circulating temperature, make two kinds of heat transferring mediums by connecing so as to reach in the heat exchanger channels of layer heat exchange structure
The tube wall of tactile heat exchanger tube carries out the effect of heat exchange.
Brief description of the drawings
Fig. 1 is a kind of schematic perspective view of heat exchanger of an embodiment of the invention.
Fig. 2 is the top view of the heat exchanger shown in Fig. 1.
Fig. 3 is the front view of the heat exchanger shown in Fig. 1.
Fig. 4 is the side view of the heat exchanger shown in Fig. 1.
Fig. 5 to Fig. 7 is the sectional view of the heat exchange unit of the heat exchanger of an embodiment of the invention.
Fig. 8 to Figure 10 is that the heat exchange of heat exchanger of an of the invention embodiment a kind of flows to schematic diagram.
Figure 11 and Figure 12 is that the heat exchange of another heat exchanger of an of the invention embodiment flows to schematic diagram.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
It is only merely for the purpose of description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
It is also intended in " one kind " of the singulative of the invention with used in appended claims, " described " and "the" including majority
Form, unless context clearly shows that other implications.
It should be appreciated that " first " " second " that is used in present specification and claims and similar word
Any order, quantity or importance are not offered as, and is used only to distinguish different parts.Equally, "one" or
The similar word such as " one " does not indicate that quantity limits yet, but represents to exist at least one.Unless otherwise noted, " front portion ", " after
The similar word such as portion ", " bottom " and/or " top " is not limited to a position or a kind of empty only to facilitate explanation
Between orient.Either the similar word such as "comprising" means to appear in element or object before " comprising " or "comprising" to " comprising "
Cover and appear in the " comprising " either element of "comprising" presented hereinafter or object and its equivalent, it is not excluded that other elements or
Object.
Below in conjunction with the accompanying drawings, the heat exchanger and refrigeration system of embodiment of the present invention are described in detail.Not
In the case of conflict, the feature in following embodiment and embodiment can be mutually combined.
Referring to shown in Fig. 1 to Fig. 4, embodiment of the present invention provides a kind of heat exchanger 100, and the heat exchanger 100 can answer
For various refrigeration systems, suitable for various fields such as air-conditioning, automobiles.Heat exchanger 100 includes two layers of heat exchange knot for stacking setting
Structure 10, be shown as in Fig. 1 up and down two layers, the heat exchange structure 10 include the first header 110, the second header 120 and
The heat exchange unit 130 being arranged between first header 110 and second header 120.First header 110
Including at least two first mutually isolated manifolds 111, second header 120 includes at least one second manifold
121, the heat exchange unit 130 includes at least two heat exchanger tubes 131 that be arranged in parallel, the both ends of the heat exchanger tube 131 with it is described
First manifold 111 and second manifold 121 connect, so that at least two heat exchanger tube 131, described at least two
First manifold 111 and at least one second manifold 121 are collectively forming the heat exchanger channels for the heat transferring medium that circulates.
The respective heat exchanger tube 131 of two layers of heat exchange structure 10 adjoins each other correspondingly (to be preferably bonded to each other
Set, heat exchange efficiency is higher), the heat exchanger channels of one of them heat exchange structure 10 are used for first heat transferring medium that circulates, another
The heat exchanger channels of the individual heat exchange structure 10 are used for second heat transferring medium different from the first heat exchange medium temperature that circulate, so that institute
State the second heat transferring medium and first heat transferring medium and heat exchange is carried out by the tube wall of heat exchanger tube 131 to contact with each other, first
The temperature of heat transferring medium can be higher than the temperature of the second heat transferring medium, can also be less than the temperature of the second heat transferring medium.For example,
Circulate the first heat transferring medium in the heat exchanger channels of the heat exchange structure 10 on upper strata, in changing for the heat exchange structure 10 positioned at lower floor
The second heat transferring medium of circulation in the passage of heat.Or the heat exchange of circulation second is situated between in the heat exchanger channels positioned at the heat exchange structure 10 on upper strata
Matter, circulate the first heat transferring medium in the heat exchanger channels positioned at the heat exchange structure 10 of lower floor.Alternatively, the heat transferring medium can be with
It is refrigerant liquid or cold media gas, also, the heat transferring medium can be undergone phase transition during heat exchange, i.e.,
Liquid is converted into by gas or gas is converted into by liquid.
From above-described embodiment, by the way that two layers of heat exchange structure 10 of heat exchanger 100 is stacked into setting, make two layers of heat exchange knot
The heat exchanger tube 131 of the heat exchange unit 130 of structure 10 adjoins each other, and respective first manifold 111, second of two layers of heat exchange structure 10 collects
Stream chamber 121 and heat exchanger tube 131 are collectively forming with multipaths and for the heat exchanger channels for the heat transferring medium that circulates, in two layers of heat exchange
Two kinds of different heat transferring mediums of circulating temperature in the heat exchanger channels of structure 10, make two kinds of heat transferring mediums pass through contact so as to reach
The tube wall of heat exchanger tube 131 carries out the effect of heat exchange.Also, the heat exchanger channels with multipaths add the edge of heat exchange unit 130
The length of longitudinal direction (as shown in Y-direction in Fig. 2), so as to add the heat exchange process of heat transferring medium, do not increasing heat exchanger tube
On the premise of 131 lateral length size (as shown in X-direction in Fig. 2), the heat exchange amount of heat transferring medium can be effectively improved, is avoided
Due to the lateral length size of heat exchanger tube 131 is long and the problem of installation difficulty.In addition, in some specific small special cases
Under, can also be appropriate because the length of heat exchanger channels along the longitudinal direction is increased, therefore on the premise of heat exchange amount is not lost
The lateral length size of heat exchanger tube 131 is reduced, so as to improve the versatility of heat exchanger 100.
In an optional embodiment, the heat exchanger tube 131 includes first end and the second end being oppositely arranged, same to change
Two adjacent heat exchanger tubes 131 are located at the first end of the same side in hot cell 130 and same first manifold 111 or second collects
Stream chamber 121 connects, and two adjacent heat exchanger tubes 131 are located at second end of the same side and different the in same heat exchange unit 130
Two manifolds 121 or the first manifold 111 connect.That is, each heat exchanger tube 131 of heat exchange unit 130, the first header
What each second manifold 121 of 110 header 120 of each first manifold 111 and second was collectively forming changes for circulation
The S-type passage of heat exchanger channels of thermal medium, or be mutually spliced by multiple S types passages, form the heat exchange with multipaths and lead to
Road, the quantity of heat exchanger tube 131 is more, the first manifold 111 and the second collection that the first header 110 is separated to form by dividing plate 150
The quantity for the second manifold 121 that flow tube 120 is separated to form is more, is more beneficial for increasing the heat exchange process of heat exchange unit 130, from
And heat exchange amount is improved, increase the heat transfer effect of heat transferring medium.
Further, referring to shown in Fig. 1 and Fig. 2, first header 110 by dividing plate 150 be separated into it is described at least
Two the first manifolds 111.Second manifold 121 to be multiple, it is described herein it is multiple refer both to two and two with
On, second header 120 is separated into the multiple second manifold 121 by dividing plate 150.That is, dividing plate 150 divides
Every the first header 110 and the set-up mode of the second header 120, ensure two heat exchange adjacent in same heat exchange unit 130
The first end that pipe 131 is located at the same side only connects with the same manifold 121 of first manifold 111 or second, and this adjacent two
The second end that individual heat exchanger tube 131 is located at the same side connects from different the second manifold 121 or the first manifold 111.
It is shown in Figure 3, in order that the respective heat exchanger tube 131 of two layers of heat exchange structure 10 is preferably bonded to each other setting, institute
Stating heat exchanger tube 131 includes flat segments 1311 and two bending ends 1312 positioned at the both ends of flat segments 1311, and heat exchanger tube 131 passes through
Bending segment 1312 is connected and is interconnected with the first header 110 and the second header 120, and two layers of heat exchange structure 10 is respective to be changed
The flat segments 1311 of heat pipe 131 are bonded to each other setting, can preferably improve heat transfer effect.
Referring to shown in Fig. 5 to Fig. 7, in an optional embodiment, the heat exchanger tube 131 includes flat tube.As needed,
The heat exchanger tube 13 can use single flat tube (as shown in Figure 5), double flat tube (as shown in Figure 6) or plurality of rows of flat pipes.In Fig. 1
Into the example shown in Fig. 4, by heat exchanger tube 131 using (as shown in Figure 7) exemplified by three rows of flat pipes.Further, heat exchanger tube is worked as
131 using double flat tube or plurality of rows of flat pipes when, by one between two adjacent heat exchanger tubes 131 in same heat exchange unit 130
Between connecting portion 133 be connected with each other.Alternatively, two adjacent heat exchanger tubes 131 and the centre connect in same heat exchange unit 130
Socket part 133 is formed in one.
Further, the flat tube is led provided with what multiple length directions along body ran through (as shown in X-direction in Fig. 2)
Discharge orifice 132, the pod apertures 132 are used to guide heat transferring medium to be flowed in flat tube.Alternatively, the multiple pod apertures
132 uniformly lay along the width (as shown in Y-direction in Fig. 2) of the body of the flat tube, enable heat transferring medium equably
Flowed in flat tube.
In an optional embodiment, the pressure and temperature of first heat transferring medium is more than second heat transferring medium
Pressure and temperature, for circulate the first heat transferring medium the heat exchange structure 10 pod apertures 132 aperture be less than be used for flow
The aperture of the pod apertures 132 of the heat exchange structure 10 of logical second heat transferring medium.That is, it is contemplated that two heat exchange units
The factor that 130 flat tube resistance to pressure is consistent, by the aperture setting for the pod apertures 132 of the flat tube for the HTHP that circulates
Aperture than the pod apertures 132 of the flat tube compressed for the low temperature that circulates is small, under the conditions of same wall thickness, it is possible to for flowing
Lead to the smaller of the size setting of the flat tube of HTHP, to save material.
Below in conjunction with the accompanying drawings, two kinds of set-up modes of heat exchanger channels are introduced.
(1) outlet that heat transferring medium is flowed into the entrance and outflow heat exchange structure 10 of heat exchange structure 10 is located at same first collection
In flow tube 110 or same second header 120.
Referring to shown in Fig. 8 to Figure 10, the entrance of heat exchange structure 10 and going out for outflow heat exchange structure 10 are flowed into heat transferring medium
Exemplified by mouth is located on same first header 110, the structure due to the heat exchange structure 10 positioned at lower floor and the heat exchange positioned at upper strata
The structure of structure 10 is identical, and Gu Tuzhong is only shown at the structural representation and heat transferring medium of the heat exchange structure 10 on upper strata
Direction schematic diagram is flowed in the heat exchanger channels positioned at the heat exchange structure 10 of lower floor (dashed lines shown in the direction of arrow).Such as
Shown in figure, one fewer than the quantity of first manifold 111 of the quantity of second manifold 121, first header
110 include the first end being oppositely arranged and the second end, positioned at the first manifold 111 of the first end of first header 110
Provided with the first opening 141 for the heat transferring medium that circulates, the first manifold positioned at the second end of first header 110
111 are provided with the second opening 142 for the heat transferring medium that circulates.In the example shown in Fig. 8 to Figure 10, first opening 141
The entrance of heat exchange structure 10 is flowed into as heat transferring medium, second opening 142 is as heat transferring medium outflow heat exchange structure 10
Outlet, the flow direction of the heat exchange of heat transferring medium is as shown in each direction of arrow in Fig. 8 to Figure 10.
In the embodiment shown in fig. 8, second manifold 121 is one, the phase of second manifold 121
Both ends are equipped with end cap 143.In embodiment as shown in Figure 9, second manifold 121 is two, in such as Figure 10 institutes
In the embodiment shown, second manifold 121 is three, second header 120 include the first end that is oppositely arranged and
Second end, the second manifold 121 positioned at the first end of second header 120 are provided with end cap 143, positioned at the described second collection
Second manifold 121 at the second end of flow tube 120 is provided with end cap 143.It will not needed by end cap 143 on second manifold 121
One end of opening is set to be closed, the heat exchanger channels for S types of being more convenient for being formed.Alternatively, the header 120 of end cap 143 and second
It is formed in one.
It should be noted that the outlet that heat transferring medium flows into the entrance and outflow heat exchange structure 10 of heat exchange structure 10 is located at together
Embodiment on one second header 120 flows into the entrance and outflow heat exchange structure 10 of heat exchange structure 10 with above-mentioned heat transferring medium
Outlet be located at embodiment on same first header 110, on first the 141, second opening 142 of opening and end cap
143 set-up mode is to be reversed, therefore be will not be repeated here.
(2) heat transferring medium is flowed into the entrance of heat exchange structure 10 and the outlet stagger setting of outflow heat exchange structure 10 first
On the header 120 of header 110 and second, that is to say, that the entrance that heat transferring medium is flowed into heat exchange structure 10 is located at the first collection
In flow tube 110, outflow heat exchange structure 10 outlet be located on the second header 120.Or heat transferring medium is flowed into heat exchange structure 10
Entrance be located on the second header 120, the outlet of flowing out heat exchange structure 10 is located on the first header 110.
Referring to shown in Figure 11 and Figure 12, with heat transferring medium flow into heat exchange structure 10 entrance be located on the first header 110,
Outflow heat exchange structure 10 outlet be located on the second header 120 exemplified by, due to the heat exchange structure 10 positioned at lower floor structure with
Structure positioned at the heat exchange structure 10 on upper strata is identical, and Gu Tuzhong is only shown at the structural representation of the heat exchange structure 10 on upper strata
Figure and heat transferring medium flow to direction schematic diagram (dashed lines in the heat exchanger channels positioned at the heat exchange structure 10 of lower floor
Shown in the direction of arrow).As illustrated, the quantity of second manifold 121 is identical with the quantity of first manifold 111,
First header 110 includes first end and the second end being oppositely arranged, and second header 120 includes being oppositely arranged
First end and the second end, positioned at first header 110 first end the first manifold 111 be provided be used for circulate heat exchange
First opening 141 of medium, on second header 120 with the described first opening 141 not the second end of homonymy the
Two manifolds 121 are provided with the second opening 142 for the heat transferring medium that circulates.In the example shown in Figure 11 and Figure 12, described
One opening 141 flows into the entrance of heat exchange structure 10 as heat transferring medium, and second opening 142 is as heat transferring medium outflow heat exchange
The outlet of structure 10, the flow direction of the heat exchange of heat transferring medium is as shown in each direction of arrow in Figure 11 and Figure 12.
Further, in embodiment as is illustrated by figs. 11 and 12, positioned at the second end of first header 110
The first manifold 111 be provided with end cap 143, positioned at second header 120 first end the second manifold 121 be provided with end
Lid 143.On second manifold 121 one end of opening will need not be set to be closed by end cap 143, be more convenient for forming S types
Heat exchanger channels.Alternatively, the end cap 143 on the first header 110 is formed in one with the first header 110.Second afflux
End cap 143 on pipe 120 is formed in one with the second header 120.
It should be noted that the entrance of heat transferring medium inflow heat exchange structure 10 is located on the second header 120, flows out and changes
The embodiment that the outlet of heat structure 10 is located on the first header 110 flows into the entrance of heat exchange structure 10 with above-mentioned heat transferring medium
The outlet for being located on the first header 110, flowing out heat exchange structure 10 is located at embodiment on the second header 120, on
The set-up mode of one the 141, second opening 142 of opening and end cap 143 is to be reversed, therefore be will not be repeated here.
In an optional embodiment, the first opening 141 for the heat exchange structure 10 for first heat transferring medium that circulates
For flowing into the first heat transferring medium, the second opening 142 is used to export the first heat transferring medium.Institute for second heat transferring medium that circulates
The first opening 141 for stating heat exchange structure 10 is used for the second heat transferring medium of export, the second opening 142 is used to flow into second heat exchange Jie
Matter.That is, the first heat transferring medium and the second heat transferring medium are arranged to reverse flow, the heat exchange of the first heat transferring medium
Flow direction is as shown in each solid arrow direction in Fig. 8 to Figure 12, and the flow direction such as Fig. 8 of the heat exchange of the second heat transferring medium are into Figure 12
Each dotted arrow direction shown in, during heat exchange, the first heat transferring medium and the second heat transferring medium are by contacting with each other
The tube wall of flat tube carry out heat exchange, so can further improve heat exchange amount, avoid heat transferring medium from flowing into heat exchange structure 10
The set location of the outlet of entrance and outflow heat exchange structure 10 is too close and causes the waste of unnecessary heat exchange amount.
The embodiment of the present invention also provides a kind of refrigeration system, and the refrigeration system is applicable to the various fields such as air-conditioning, automobile.
Heat exchanger 100 of the refrigeration system described in including any of the above-described embodiment or embodiment.It should be noted that in above-mentioned reality
The description as described in the heat exchanger 100 in example and embodiment is applied, is equally applicable to the refrigeration system of the embodiment of the present invention.
Such as when the refrigeration system applied to air conditioning for automobiles, in order that the refrigerant gas of HTHP is laggard through air cooler
One step cools to increase degree of supercooling, and avoids compressor from hitting cylinder, can increase refrigerant by the heat exchanger 100 and steam
The evaporation capacity in device is sent out, improves the performance of evaporator, the used heat exchanger 100, which can significantly improve, in refrigeration systems is
System performance.Especially using CO2In the air conditioner heat pump system of gas, due to CO2Run, reduce cold under the supercriticality of gas
Condenser exports CO2Temperature, for improve system COP (Coefficient of Performance, Energy Efficiency Ratio) and performance
There is huge benefit, especially under cooling in summer operating mode, be remarkably improved the refrigerating capacity and COP of refrigeration system.
Described above is only presently preferred embodiments of the present invention, not does any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, in the range of technical solution of the present invention is not departed from, when the technology contents using the disclosure above make a little change or repair
The equivalent embodiment for equivalent variations is adornd, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real
Any simple modification, equivalent change and modification that confrontation above example is made, still fall within the scope of technical solution of the present invention
It is interior.
Claims (15)
1. a kind of heat exchanger (100), it is characterised in that two layers of heat exchange structure (10) including stacking setting, the heat exchange structure
(10) include the first header (110), the second header (120) and be arranged at first header (110) and described the
Heat exchange unit (130) between two headers (120)；First header (110) includes mutually isolated at least two the
One manifold (111), second header (120) include at least one second manifold (121), the heat exchange unit
(130) at least two heat exchanger tubes (131) be arrangeding in parallel, both ends and first manifold of the heat exchanger tube (131) are included
(111) and second manifold (121) connects, so that at least two heat exchanger tube (131), described at least two first
Manifold (111) and at least one second manifold (121) are collectively forming the heat exchanger channels for the heat transferring medium that circulates；
The respective heat exchanger tube of two layers of heat exchange structure (10) (131) adjoins each other correspondingly, one of them described heat exchange
The heat exchanger channels of structure (10) are used for first heat transferring medium that circulates, and the heat exchanger channels of another heat exchange structure (10) are used to flow
Logical second heat transferring medium, so that second heat transferring medium and first heat transferring medium are carried out by the heat exchanger tube (131)
Heat exchange.
2. heat exchanger (100) according to claim 1, it is characterised in that the heat exchanger tube (131) includes what is be oppositely arranged
First end and the second end, two adjacent heat exchanger tubes (131) are located at the first end of the same side in the same heat exchange unit (130)
From same first manifold (111) or the second manifold (121) connection, positioned at second end of the same side and the second different collection
Flow chamber (121) or the first manifold (111) connection.
3. heat exchanger (100) according to claim 2, it is characterised in that the quantity of second manifold (121) compares institute
The quantity one less of the first manifold (111) is stated, first header (110) includes the first end and second being oppositely arranged
End, it is provided with positioned at the first manifold (111) of the first end of first header (110) and is used to circulate the first of heat transferring medium
It is open (141), the first manifold (111) positioned at the second end of first header (110), which is provided with to be used to circulate to exchange heat, to be situated between
Second opening (142) of matter.
4. heat exchanger (100) according to claim 3, it is characterised in that second manifold (121) is one, institute
The opposite end for stating the second manifold (121) is equipped with end cap (143).
5. heat exchanger (100) according to claim 3, it is characterised in that second manifold (121) is multiple, institute
First end and the second end that the second header (120) includes being oppositely arranged are stated, positioned at the first end of second header (120)
The second manifold (121) be provided with end cap (143), the second manifold positioned at the second end of second header (120)
(121) it is provided with end cap (143).
6. heat exchanger (100) according to claim 2, it is characterised in that the quantity of second manifold (121) and institute
State that the quantity of the first manifold (111) is identical, first header (110) includes first end and the second end being oppositely arranged,
Second header (120) includes first end and the second end being oppositely arranged, positioned at the first of first header (110)
First manifold (111) at end is provided with the first opening (141) for the heat transferring medium that circulates, positioned at second header
(120) second manifold (121) at the second end of homonymy is not provided with and is used to circulate heat transferring medium with the described first opening (141) on
Second opening (142).
7. heat exchanger (100) according to claim 6, it is characterised in that positioned at the second of first header (110)
First manifold (111) at end is provided with end cap (143), positioned at the second manifold of the first end of second header (120)
(121) it is provided with end cap (143).
8. the heat exchanger (100) according to claim 3 or 6, it is characterised in that for circulating described in the first heat transferring medium
First opening (141) of heat exchange structure (10) is used to flow into the first heat transferring medium, the second opening (142) for exporting the first heat exchange
Medium；The first opening (141) for the heat exchange structure (10) for second heat transferring medium that circulates is used to export second and exchange heat to be situated between
Matter, the second opening (142) are used to flow into the second heat transferring medium.
9. heat exchanger (100) according to claim 1, it is characterised in that first header (110) passes through dividing plate
(150) it is separated at least two first manifold (111)；Second manifold (121) is multiple, second afflux
Pipe (120) is separated into the multiple second manifold (121) by dividing plate (150).
10. heat exchanger (100) according to claim 1, it is characterised in that the heat exchanger tube (131) includes flat tube.
11. heat exchanger (100) according to claim 10, it is characterised in that the heat exchanger tube (131) includes multiple rows of flat
Pipe.
12. heat exchanger (100) according to claim 10, it is characterised in that the flat tube is provided with multiple along the flat tube
Body the pod apertures (132) that run through of length direction.
13. heat exchanger (100) according to claim 12, it is characterised in that the multiple pod apertures (132) are along described flat
The width of the body of pipe is uniformly laid.
14. heat exchanger (100) according to claim 12, it is characterised in that the pressure and temperature of first heat transferring medium
Degree more than the pressure and temperature of second heat transferring medium, lead by the heat exchange structure (10) for first heat transferring medium that circulates
The aperture of discharge orifice (132) is less than the aperture of the pod apertures (132) for the heat exchange structure (10) for being used for the second heat transferring medium of circulation.
15. a kind of refrigeration system, it is characterised in that including the heat exchanger (100) as any one of claim 1 to 14.
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| CN201710569670.9A CN107796143A (en) | 2017-07-13 | 2017-07-13 | Heat exchanger and refrigeration system |
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| CN201710569670.9A CN107796143A (en) | 2017-07-13 | 2017-07-13 | Heat exchanger and refrigeration system |
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| CN111121503A (en) * | 2018-10-30 | 2020-05-08 | 翰昂汽车零部件有限公司 | Device for transferring heat for controlling the temperature of a battery and components of a power electronic apparatus |
| CN112146310A (en) * | 2020-10-12 | 2020-12-29 | 浙江新金宸机械有限公司 | Flat tube micro-channel double-liquid heat exchanger and heat exchange method thereof |
| WO2022166223A1 (en) * | 2021-02-08 | 2022-08-11 | 广东美的暖通设备有限公司 | Heat exchanger and manufacturing method therefor, electric control box, and air conditioning system |
| CN115235149A (en) * | 2022-06-22 | 2022-10-25 | 西安交通大学 | Disc type micro-channel heat regenerator for low-temperature refrigerator or freezer and working method |
| CN117053599A (en) * | 2023-07-25 | 2023-11-14 | 珠海风合节能科技开发有限公司 | Detachable modularized plate-tube heat exchanger |
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Effective date of registration: 20210831 Address after: 312500 xialiquan village, Qixing street, Xinchang County, Shaoxing City, Zhejiang Province Applicant after: SANHUA HOLDING GROUP Co.,Ltd. Address before: 310018 no.289-2, No.12 street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Applicant before: Hangzhou Sanhua Research Institute Co.,Ltd. |
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