CN110530180A - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN110530180A CN110530180A CN201810517647.XA CN201810517647A CN110530180A CN 110530180 A CN110530180 A CN 110530180A CN 201810517647 A CN201810517647 A CN 201810517647A CN 110530180 A CN110530180 A CN 110530180A
- Authority
- CN
- China
- Prior art keywords
- header
- heat exchanger
- shell
- flat tube
- radiating piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/04—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being formed by spirally-wound plates or laminae
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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
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
Abstract
The application discloses a kind of heat exchanger.The heat exchanger includes shell, core and header, is formed with chamber in the shell；The core is all contained in the chamber, and the core includes the flat tube and radiating piece for first heat transferring medium that circulates, the radiating piece and flat tube interval setting；The header is set to the both ends of the shell；The side wall of the shell is provided with the opening portion for being connected to the chamber, and the opening portion extends along the stacking direction of the flat tube；The end of the radiating piece and the header are provided with the runner for the circulation of the second heat transferring medium between the end face of the core, and the runner is connected to the opening portion.Heat exchanger provided by the above embodiment, is formed with the runner for the circulation of the second heat transferring medium between the end and header of radiating piece, which is conducive to reduce the flow resistance of the second heat transferring medium, is improved its flowing velocity.
Description
Technical field
This application involves field of heat exchange more particularly to heat exchangers.
Background technique
Heat exchanger, also referred to as heat exchanger are widely used in heat-exchange system (such as air-conditioning system).Heat exchanger can be used for
Heat exchange is carried out between refrigerant and outside air, it can also be used to carry out heat between refrigerant and coolant liquid and exchange.In heat exchanger
The flowing velocity of heat transferring medium is also an important factor for influencing its heat exchange efficiency.
Summary of the invention
According to the embodiment of the present application in a first aspect, providing a kind of heat exchanger, comprising:
Shell is formed with chamber in the shell；
Core, the core or all be contained in the chamber, the core include for circulate first heat exchange
The flat tube and radiating piece of medium, the radiating piece and flat tube interval setting；
Header, the header are set to the both ends of the shell；
The side wall of the shell is provided with the opening portion for being connected to the chamber, stacking of the opening portion along the flat tube
Direction extends；
The end of the radiating piece and the header are provided between the end face of the core to be situated between for the second heat exchange
The logical runner of mass flow, the runner are connected to the opening portion.
Optionally, it is high to be greater than the side far from the opening portion for the height close to the opening portion side of the runner
Degree.
Optionally, the runner meets between the height d of one end of the opening portion and the width D of the radiating piece
Condition: 0.15D≤d≤0.25D；
Preferably, d=0.2D.
Optionally, the side wall of the shell is provided with the first and second header with the chamber, and described first and second
Header extends along the stacking direction of the flat tube；
The shell both ends are provided with third and fourth header for being connected to the header.
Optionally, the radiating piece includes main part, and the main part extends to form limiting section, the limiting section to both ends
It is located remotely from the side of the opening portion, the limiting section abuts the header.
Optionally, the end face of the limiting section is flattened edge；
Preferably, the length L of the end face is 5mm~10mm.
Optionally, the chamber is divided into the heat exchanger channels of multiple second heat transferring mediums that are used to circulate by the flat tube,
Meet condition between the width W of the heat exchanger channels and the thickness T of the flat tube: 2T≤W≤3.25T；
Preferably, the range of T is 1.5mm~2.5mm.
Optionally, the shell includes at least two plates, and at least two plate is welded to connect, and described at least two
Plate has in weld to partially overlap.
Optionally, along the length direction of the flat tube, the shell is provided with multiple fold knots；The pleated structure edge
The stacking direction of the flat tube extends.
Optionally, the header includes top plate and bottom plate, and the top plate is provided with the length direction along the top plate and prolongs
The slot stretched, the slot include the open end of the neighbouring bottom plate, and the bottom plate is provided with the strip hole of flat tube described in grafting, institute
Stating strip hole includes being open close to the first opening of the top plate and second far from the top plate, the section of first opening
Area is greater than the area of section of second opening, and at least partly described open end and first open communication.
Optionally, finite place piece is arranged close to the side of the core in the header, and one end of the locating part abuts
The end of the radiating piece, the other end are set to the header；
The locating part is positioned partially or entirely in side of the runner far from the opening portion.
By above technical scheme as it can be seen that in above-mentioned heat exchanger, it is formed between the end and header of radiating piece for
The runner of two heat transferring mediums circulation, the runner are conducive to reduce the flow resistance of the second heat transferring medium, enable its flowing velocity
It improves.
Additional aspect and advantage of the invention will be set forth below in the following description.
Detailed description of the invention
Fig. 1 to Figure 18 is the structural schematic diagram of the application exemplary embodiment heat exchanger.Wherein,
Fig. 1 is a kind of structural schematic diagram of heat exchanger of the application exemplary embodiment；
Fig. 2 is the partially exploded diagram of heat exchanger shown in Fig. 1；
Fig. 3 is the decomposition diagram of heat exchanger shown in Fig. 1；
Fig. 4 is the partial structure diagram of another heat exchanger of the application exemplary embodiment；
Fig. 5 A is a kind of structural schematic diagram of the heat exchanger with runner of the application exemplary embodiment；
Fig. 5 B is the partial structure diagram of the heat exchanger with another runner of the application exemplary embodiment；
Fig. 5 C is the partial structure diagram of Fig. 5 B heat exchanger；
Fig. 5 D is the structural schematic diagram of the heat exchanger with another runner of the application exemplary embodiment；
Fig. 6 A is a kind of structural schematic diagram of radiating piece of the application exemplary embodiment；
Fig. 6 B is the structural schematic diagram of another radiating piece of the application exemplary embodiment；
Fig. 6 C is the schematic perspective view of radiating piece shown in Fig. 6 A；
Fig. 6 D is the partial structure diagram of radiating piece shown in Fig. 6 C；
Fig. 7 A is a kind of structural schematic diagram of shell of the application exemplary embodiment；
Fig. 7 B is the structural schematic diagram of another shell of the application exemplary embodiment；
Fig. 7 C is the structural schematic diagram of another shell of the application exemplary embodiment；
Fig. 7 D is the structural schematic diagram of another shell of the application exemplary embodiment；
Fig. 8 is a kind of structural schematic diagram of pleated structure of the application exemplary embodiment；
Fig. 9 is the flat tube of the application exemplary embodiment and the mounting structure schematic diagram of bottom plate；
Figure 10 is the partial structure diagram of heat exchanger shown in FIG. 1；
Figure 11 is the partial structure diagram at another visual angle of heat exchanger shown in FIG. 1；
Figure 12 is a kind of structural schematic diagram of top plate of the application exemplary embodiment；
Figure 13 is a kind of header of the application exemplary embodiment and the decomposition diagram of header；
Figure 14 is another header of the application exemplary embodiment and the decomposition diagram of header；
Figure 15 A is the shell of the application exemplary embodiment and the structural schematic diagram that header is independently arranged；
Figure 15 B is the shell of the application exemplary embodiment and the structural schematic diagram that header is wholely set；
Figure 16 is a kind of shell of multipaths of the application exemplary embodiment and the structural schematic diagram of header；
Figure 17 is the structural schematic diagram of heat exchanger in one mode of operation shown in Fig. 1；
Figure 18 is the structural schematic diagram of heat exchanger in another operation mode shown in Fig. 1.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.
It should be appreciated that " first " " second " and similar word used in present specification and claims
It is not offered as any sequence, quantity or importance, and is used only to distinguish different component parts.Equally, "one" or
The similar word such as " one " does not indicate that quantity limits yet, but indicates that there are at least one；It is " multiple " to indicate two and two or more
Quantity.Unless otherwise noted, the similar word such as " front ", " rear portion ", " lower part " and/or " top " is only to facilitate say
It is bright, and it is not limited to a position or a kind of spatial orientation.The similar word such as " comprising " or "comprising" means to appear in " packet
Include " either the element before "comprising" or object cover the element or object for appearing in " comprising " or "comprising" presented hereinafter
Part and its equivalent, it is not excluded that other elements or object.
With reference to the accompanying drawing, the heat exchanger of the application embodiment is described in detail.The case where not conflicting
Under, the feature in following embodiment and embodiment can be complementary to one another or be combined with each other.
Fig. 1 is a kind of structural schematic diagram of heat exchanger 100 of one embodiment of the application, which can answer
For being also applied for the fields such as automobile in various heat-exchange systems.
Fig. 1 is please referred to, and combines Fig. 2 to Figure 18 if necessary.The heat exchanger 100 includes header 1, header 2, core
3 and shell 4.The header 1 and header 2 are located at the both ends of the shell 4, and the end of the shell 4 specifically can be in following realities
It applies in example and is described in detail, do not repeated herein.Some or all of chamber 40, the core 3 are formed with inside the shell 4
It is contained in the chamber 40.
The core 3 includes the flat tube 30 and radiating piece 39 for first heat transferring medium that circulates.30 He of flat tube
Radiating piece 39 is arranged at intervals in the chamber 40 inside the shell 4.The chamber 40 is divided by the flat tube 30
Multiple heat exchanger channels 401 for second heat transferring medium that circulates.Wherein, it can be connected between adjacent heat exchanger channels 401, it can also
Not to be connected to, the application limits this, can be configured according to specific application environment.The both ends of the side wall of the shell 4 are set
It is equipped with the opening portion 411,433 for being connected to the chamber 40.Opening portion 411,433 extends along the stacking direction of the flat tube 30.
The side wall of the shell 4 is provided with the first and second header 7,8, and first and second header 7,8 is along flat tube 30
Stacking direction extend, first and second header 7,8 is connected to the chamber 40 by the opening portion 411,433, to collect
Or the second heat transferring medium of distribution, the associated description about the first and second header 7,8 specifically see below.
Radiating piece 39 is provided in the heat exchanger channels 401, the radiating piece 39 can be heat exchange fin, such as zigzag
Heat exchange fin, corrugated heat exchange fin etc..Wherein, the radiating piece 39 can be fixedly installed on the bottom plate of header by end,
Perhaps the bottom of header is fixedly installed on by locating part or is fixedly installed on flat tube by modes such as solderings.
The end of the radiating piece 39 and the header 1,2 are provided between the end face of the core 3 for second
The runner 390 of heat transferring medium circulation, the runner 390 are connected to the opening portion 411,433.To reduce to the second heat transferring medium
Flow resistance improves the flowing velocity and uniformity of the second heat transferring medium.
By taking zigzag heat exchange fin as an example, the radiating piece 39 is made of two or more rack gears 97 arranged in parallel
(in combination with Fig. 6 A, Fig. 6 C and Fig. 6 D).The rack gear 97 includes two or more spaced convex frames 971.It is described convex
Frame 971 includes convex arch 9711 and the folded plate 9712 being connected respectively with convex 9711 both ends of arch.The folded plate 9712 with
Angle Θ between the convex arch 9711 is greater than 90 °, so that the section of the convex frame 971 can be substantially trapezoidal shape.In addition, phase
The convex frame of adjacent rack gear is arranged in a staggered manner along rack gear length direction (direction of arrow C meaning and its opposite direction in Fig. 6 D).Using this
The radiating piece of kind of structure destroys the so that the second heat transferring medium direction shown in arrow B or the flowing of its opposite direction along Fig. 6 D
The boundary layer that two heat transferring mediums are contacted with radiating piece 39 increases the disturbance to the second heat transferring medium, to improve the second heat exchange
Heat transfer coefficient of the medium on 39 surface of radiating piece.In addition, compared with the case where the second heat transferring medium is flowed along other directions, such as
It is flowed along direction shown in arrow A, largely reduces the resistance that heat exchange fin flows the second heat transferring medium.
In some embodiments, the radiating piece 39 has notch 391 close to the side of opening portion 411, close to opening portion
433 side has notch 392 (in combination with Fig. 2 to Fig. 6 D), is formed at the notch 391,392 and supplies the second heat exchanging medium flow
Logical runner 390 enables chamber 40 to be connected to the opening portion 411,433, reduces the flowing to the second heat transferring medium and hinders
Power.
The height close to 411 side of opening portion of the runner 390 is greater than the height far from 411 side of opening portion
Degree.And the runner 390 meets between the height d of one end of the opening portion 411 and the width D of the radiating piece 39
Condition: 0.15D≤d≤0.25D.While guaranteeing the influx of the second heat transferring medium, to guarantee effectively changing for radiating piece 39
Heat area.Preferably, d value is 0.2D.
The radiating piece 39 includes main part, and the part main part extends to form limiting section 393 to both ends, in favor of dissipating
The positioning of warmware 39, while can guarantee the size of radiating piece 39.The limiting section 393 is located remotely from the one of the opening portion 411
Side.Wherein, the corresponding end that the radiating piece 39 is located at the notch section 391 has sloping edge 394 (in conjunction with shown in Fig. 6 A), should
The corresponding end that radiating piece 39 is located at the notch 392 also has sloping edge.Optionally, the end face of the limiting section 393 is flat
Straight edge.Wherein, the length L of end face can substantially 5mm~10mm, with guarantee the second heat transferring medium flowing while, protect
Demonstrate,prove the fixation of radiating piece 39.
In addition, the sloping edge 394 can be straight flange (in conjunction with shown in Fig. 6 A).Certainly, the sloping edge 394 can also be
Notch cuttype edge (in conjunction with Fig. 6 B), curved edge etc..The application does not limit this, and can be set according to specific application environment
It sets.
The notch 392 can be roughly the same with the shape of notch 391.It specifically can refer to the associated description of notch 391, herein
It is not repeated.
In further embodiments, the end of the radiating piece 39 can substantially be in flat.The upper end of the radiating piece 39
Portion is located substantially at the lower section of above-mentioned sidewall opening 411, to form runner 390, and then guarantees that the second heat transferring medium smoothly flows into chamber
In body 40, that is, guarantee that the second heat transferring medium smoothly flows into heat exchanger channels 401 (in combination with Fig. 5 B and Fig. 5 D).
For example, finite place piece 395, one end of the locating part 395 is arranged close to the side of the core 3 in header 1,2
The end of the radiating piece 39 is abutted, the other end is set to the header 1,2.Meanwhile the locating part 395 is partly or entirely
End positioned at radiating piece 39 described in side of the runner 390 far from the opening portion 411,433 is substantially straight, then described
The runner 390 for the circulation of the second heat transferring medium is formed between header and radiating piece end, enables chamber 40 and the opening
Portion 411,433 is connected to, and reduces the flow resistance to the second heat transferring medium.Specifically, it is provided with jack 126 on the bottom plate 12,
To assign locating part 395.The jack 126 is located at one end far from the opening portion 411 of the bottom plate 12, and jack
126 between adjacent strip hole 125.The extending direction of jack 126 can be identical as the extending direction of strip hole 125, can also
It is different.The development length of jack 126 is less than the development length of strip hole 125.When the locating part 395 is assigned into jack 126,
One end that the locating part 395 is connect with bottom plate 12 can extend bottom plate 12 and extend to the side close to top plate 11, can also not
Extend bottom plate 12.
The locating part 395 can be independent component, and can be set to by welding on bottom plate 12.Certainly, it limits
Position part 395 can also be wholely set with bottom plate 12.
The locating part 395 can be various shapes.For example, the truncation surface of locating part 395 can be triangle, rectangle,
The combination of one such shape such as semicircle, ellipse or various shapes.
It should be noted that two runners 390 at 39 both ends of radiating piece can roughly the same (in combination with Fig. 5 A), can also
Not identical (in combination with shown in Fig. 5 D), can be configured, the application is not limited this according to specific application environment.
It should be noted that the radiating piece 39 can also be directly fixedly installed on flat tube, without passing through limit
Part setting.
Further, the relationship between the width W on 401 edge of heat exchanger channels and the thickness T of the flat tube 30 meets item
Part: 2T≤W≤3.25T.So that reaching preferably heat transfer effect between the second heat transferring medium and the first heat transferring medium.With flat
For the range of the thickness T of pipe 30 is 1.5mm~2.5mm, width W substantially 3mm~8.125mm of the heat exchanger channels 401.
Further, the overall structure that the shell can be integrally formed also may include at least two plates, it is described extremely
Few two plates are welded to connect.For example, the shell 4 may include the first side wall 41, second sidewall 42, third side wall 43 and the 4th
Side wall 44.Wherein, the first side wall 41, second sidewall 42, third side wall 43 and the 4th side wall 44 can be an entirety, can also divide
For at least two independent parts.If the shell is spliced by least two plates, there is the part being overlapped in stitching portion,
To guarantee bonding area, increase the intensity of shell (in combination with Fig. 7 A, Fig. 7 B, Fig. 7 C and Fig. 7 D).
Shell structure as shown in Figure 7 A, shell 4 are spliced by mutually independent four side wall.Wherein, the first side wall 41
Side edge 412 and the side edge 442 of the 4th side wall 44 partially overlap welding, another side edge of the first side wall 41
413 partially overlap welding with the side edge 421 of second sidewall 42.Another side edge 422 and third of second sidewall 42
The side edge 431 of side wall 43 is overlapped welding.Also, another side edge 432 of third side wall 43 and the side of the 4th side wall 44
Side edge 441 is overlapped welding.By side edge 412 and 422 be overlapped welding for, wherein 422 bending of side edge is to weld
In the outside of side edge 412, similar operations are can be used in other coincidence welding.
The shell structure as shown in Fig. 7 B to Fig. 7 D, shell 4 include mutually independent two plates, and two plates
It is welded to connect.
The first side wall 41, the 4th side wall 44 shown in Fig. 7 B and third side wall 43 are integrally formed.Side edge 421,422
Side edge 413,422 is overlapped welding respectively.
The first side wall 41 shown in Fig. 7 C and second sidewall 42 are integrally formed, third side wall 43 and 44 one of the 4th side wall at
Type.Side edge 412,422 is overlapped welding with side edge 442,431 respectively.
Equally, the first side wall 41 shown in Fig. 7 D and second sidewall 42 are integrally formed, third side wall 43 and the 4th side wall 44
It is integrally formed.Unlike Fig. 7 C, shell 4 shown in Fig. 7 D is spliced by identical two plates, and it is raw to be conducive to batch
It produces and processes.
Further, along the length direction of the flat tube 30, the shell 4 is provided with multiple pleated structures 45 and (can tie
Close Fig. 4), to discharge the thermal stress generated in heat transfer process, and the intensity of shell can be enhanced.The pleated structure 45 can be substantially along flat
The direction of the stacking of flat pipe 30 extends.Correspondingly, pleated structure 45 is distributed on opposite two sides 41,43.Certainly, fold knot
Structure also can be distributed on side wall 42,44.Optionally, the multiple pleated structure 45 is substantially evenly distributed.Certainly, the multiple
Fold can also uneven distribution.
The pleated structure 45 can be to the outside of shell protrusion (in combination with Fig. 8), can also be convex to the inside of shell
Play (not shown).The application does not limit this.
Certainly, the number of the pleated structure 45 also can be only one.The application does not limit this, can be according to specifically answering
It is configured with environment.
Along flat tube 30 on the flow direction of first heat transferring medium, the shell 4 have opposite first end 301 with
Second end 302.First header 7 is set to the shell 4 close to the lateral wall of first end 301, second header 8
The shell 4 is set to close to the lateral wall of second end 302.
First and second header 7,8 is mutually indepedent component with shell 4 (in combination with Figure 15 A).First header
7 are provided with the aperture 71 in corresponding opening portion 411 close to the side of the shell 4, the second header 8 close to the shell 4 one
Side is provided with the aperture 81 in corresponding opening portion 433, so that second heat transferring medium passes in and out the heat exchanger channels 401.Certainly, In
In some embodiments, first and second header 7,8 can also be integrally formed with shell 4 (in combination with Figure 15 B).
One end of first header 7 seals, and the other end is provided with third extension tube attached 72, to flow to the first header 7
Enter or is situated between from the second heat exchange of the first header 7 outflow.One end of second header 8 seals, and the other end is provided with outside the 4th
Adapter tube 82, it is corresponding to be flowed out from the second header 8 or flow into the second heat transferring medium to the second header 8 (in combination with Fig. 3).For example,
Second heat transferring medium can from the 4th extension tube attached 82 enter the second header 8, then enter heat exchanger channels by flat tube with
The heat exchange of first heat transferring medium, flows into the first header 7 later, and finally by the outflow of third extension tube attached 72 (in combination with Figure 15 A and figure
15B), as shown in the oriented lines of Figure 15 A or Figure 15 B.
Certainly, in some embodiments, the both ends of first header 7 seal, and the two of second header 8
End is respectively arranged with the five, the six extension tube attacheds 83,84 (in combination with Figure 16).Wherein, partition is provided in second header 8
88, the internal pipeline of the second header 8 is divided into two mutually isolated manifolds 85,86.Wherein, manifold 85 and the 5th
Extension tube attached 83 is connected to, and manifold 86 is connected to the 6th extension tube attached 84.To may make second heat transferring medium external from the 5th
Pipe 83 enters corresponding heat exchanger channels, and after the first header 7 changes flow direction, after another part heat exchanger channels from outside the 6th
Adapter tube 84 flows out, in combination with Figure 16, as shown in the oriented lines of Figure 16.As it can be seen that so set, can increase by the second heat transferring medium
Heat exchange process is conducive to the flow velocity for improving the second heat transferring medium, to improve the heat exchange efficiency of heat exchanger.
First header 7 and the second header 8 are diagonally positioned outside the shell 4.So as to the second heat transferring medium
Counterflow heat exchange is formed with the first heat transferring medium, so that heat exchange is more abundant therebetween.Certainly, first header and
Other modes setting also can be used in second header, can be configured according to specific application environment, the application does not limit this.
Further, the first end 301 of the shell 4 is provided with header 1, and the second end 302 of shell 4 is provided with header
2。
The header 1 includes top plate 11 and bottom plate 12.Then correspondingly, the limiting section 393 of above-mentioned 39 one end of radiating piece has
Body can abut the bottom plate 11 of header 1, and the limiting section 393 of the other end abuts header 2, in favor of the positioning of radiating piece 39.
Or the end of above-mentioned radiating piece 39 realizes the positioning of radiating piece 39 by abutting the locating part 395 being located in runner 390.
The top plate 11 is provided with the slot 111 of the length direction L extension along the top plate 11, and the slot 111 includes neighbouring
The open end 111a of the bottom plate 12.The bottom plate 12 is provided with the strip hole 125 of flat tube 30 described in grafting (in combination with figure
13).The strip hole 125 includes being open close to the first opening 125a of the top plate 11 and second far from the top plate 11
125b, the area of section of the first opening 125a are greater than the area of section of the second opening 125b, wherein at least there is part
Open end 111a is connected to the first opening 125a (in combination with Figure 11), so that the first heat transferring medium is followed by slot 111, length
Hole 125 and flow to flat tube 30.The application to the number of the number of the slot 111 and strip hole 125 without limitation, can root
It is determined according to specific application environment.
First heat transferring medium flows into flat tube in flow process, through opening area strip hole from large to small, reduces
The resistance that first heat transferring medium flows in header, makes
The section of the slot 111 can be semicircle, triangle, rectangle or half elliptic or both the above or various shapes
Combination.Optionally, the bottom plate 12 can be the flat part for offering strip hole, and the top plate 11 includes multiple positioned at slot two sides
The end face 1141 of groove edge 114, the groove edge 114 is generally planar.Wherein, the end face 1141 of multiple groove edges 114 is substantially
It is in the same plane (in combination with Figure 12), the part gluing, sealing that the top plate 11 is contacted with bottom plate 12.
The strip hole 125 can be conducive to raising from the first opening 125a and enter the length in ladder type hole (in combination with Fig. 9)
The flowing velocity of first heat transferring medium in hole 125 is conducive to the flow velocity for improving the first heat transferring medium for entering flat tube 30.
Wherein, the length direction of the strip hole 125 can be roughly the same with the width direction W of the top plate 11.It certainly, can not also phase
Together.
The bottom plate can be integrally formed plate, can also be spliced by two or more plates, such as by more
Laminate part is welded.For the bottom plate being spliced by multilayer plates, the multiple plate is provided with to form the strip
The hole portion in hole 125.
For example, the bottom plate 12 includes the first plate-like piece 121 being connected with top plate 11, the third plate-like piece far from top plate
123 and the second plate-like piece 122 for being set between the first plate-like piece 121 and third plate-like piece 123 (in combination with Fig. 3, Fig. 9 and figure
10).First plate-like piece 121, the second plate-like piece 122 and third plate-like piece 123 can splice by welding.The length
Hole 125 includes the first hole portion 1251, the second hole portion 1252 and third hole portion 1253 (in combination with Fig. 9).First hole portion
1251 run through first plate-like piece 121, and second hole portion 1252 runs through second plate-like piece 122, the third hole portion
1253 run through the third plate-like piece 123.
Optionally, the third hole portion 1253, the second hole portion 1252 and the first hole portion 1251 side wall extend direction with
The length direction of flat tube 30 is consistent (in combination with Fig. 9).
Wherein, the thickness T-phase etc. of the width D 3 of third hole portion 1253 and flat tube, to guarantee the flat tube and described the
The fitting of three hole portions 1253, prevents the first heat transferring medium in header from leaking out.The width D 2 of second hole portion 1252 is greater than institute
State the width D 3 of third hole portion 1253.For example, D2=1.5*D3.The width of the width D 1 of first hole portion 1251 is more than or equal to
The width D 2 of second hole portion 1252.For example, D1=1.5*D2.By taking the range of T is 1.5mm~2.5mm as an example, the second hole is selected
The size range of the width D 2 in portion 1252 can substantially 2.25mm~3.75mm, the size range of the width D 1 of the first hole portion can be big
It causes to be 3.375mm~5.625mm.
Certainly, for the end of flat tube is by the heat exchanger of necking processing, the width of the third hole portion 1253
D3 is less than the thickness T of the flat tube, to guarantee that flat tube is bonded setting with third hole portion 1253.
The end of the flat tube 30 is passed through from third hole portion 1253 and compared to third hole portion 1253 closer to top plate 11.
For example, the end of the flat tube 30 is located in second hole portion 1252, so that the outside wall surface of the flat tube 30 and described
Gap is formed between second hole portion inner wall, the solder between third plate-like piece 123 and the second plate-like piece 122 can be effectively prevent to block
The nozzle of flat tube 30.
One end of the flat tube 30 is connected to by strip hole 125 with the inside of the header 1.Equally, the collector
Case 2 has bottom plate 22 and top plate 21, and the bottom plate of the header 2 accordingly offers strip hole, for the flat tube 30
Other end insertion, and be connected to flat tube 30 and the inside of header 2.The basic phase of structure of the header 2 and header 1
Together, it specifically can refer to the associated description of header 1.
Certainly, in some embodiments, can also only have one end in the first end and second end of the shell 4 equipped with collector
Case.Wherein, the facilities of header specifically can refer to aforementioned associated description, not repeated herein.
Above-mentioned shell 4 can only include side wall, and the bottom plate 12,22 and shell 4 of the header 1,2 for being set to both ends are common
Form the chamber of sealing.Certainly, the shell may also comprise the end wall (not shown) that can be fitted closely with the bottom plate of header,
To form the chamber, then the end wall should offer the hole passed through for flat tube.For in the first end and second end
There is the case where one end is provided with header, similar setting equally can be used in shell.
Further, the number of the flat tube 30 can be one or more.In some embodiments, flat tube can be
Micro-channel flat.The intensity of flat tube, such as compressive resistance can preferably be increased using micro-channel flat, to improve heat exchanger
Stability and safety.If the flat tube is multiple, the multiple flat tube spaced and parallel can be arranged.In addition, institute
Every layer for stating flat tube can be a flat tube, and wide cut made of can also arranging in the same plane for multiple flat tubes is flat
Pipe.The application is not specifically limited the type, number and set-up mode of flat tube, can be determined according to application environment.
Further, the both ends of the shell 4 are provided with the header that the header is passed in and out for the first heat transferring medium.It is described
The first end 301 of shell 4 is provided with third header 5, and second end 302 is provided with the 4th header 6.The third header 5
It is connected to header 1, the 4th header 6 is connected to header 2.Specifically, along the length direction L of the top plate 11, institute
The one end for stating slot 111 blocks, and the other end has opening 1112.The first heat transferring medium is collected or is distributed in 1112 connection of opening
Third header 5.Correspondingly, the side of the third header 5 towards the header 1 offers corresponding with notch 1112
Flow concentration hole 51, for the first heat transferring medium disengaging header 1 (in combination with Fig. 3, Figure 12 and Figure 13).The top plate of the header 2
21 slot 211, structure and slot 111 are essentially identical.Correspondingly, the 4th header 6 is correspondingly arranged on is situated between for the first heat exchange
Matter passes in and out the flow concentration hole 61 of header 2 (in combination with Fig. 3 and Figure 14).
One end of the third header 5 seals, and the other end is provided with the first extension tube attached 52, to flow to third header 5
Enter or flows out the first heat transferring medium from third header 5.One end of 4th header 6 seals, and the other end is provided with second
Extension tube attached 62, it is corresponding to be flowed out from the 4th header 6 or flow into the first heat transferring medium to the 4th header 6.
Optionally, the third header 5 and the 4th header 6 are diagonally positioned outside the shell 4, so that first changes
Thermal medium distribution is more uniform, improves heat transfer effect, so that the first heat transferring medium and the second heat transferring medium form counterflow heat exchange, from
And it is more abundant to exchange heat therebetween.Certainly, other modes also can be used in the third header 5 and the 4th header 6
Setting, can be configured, the application is not limited this according to specific application environment.
It should be noted that for only having the case where one end is provided with header in the both ends of the shell, one of them
Header realized and being connected to header with the connection of the intracorporal chamber of the shell, and another header then can directly with
The intracorporal chamber of shell.
Further, the top plate 11 of the header 1 is provided with partition 113, and the lower end surface of the partition 113 abuts the bottom
The slot 111 is divided at least two mutually isolated chambers 15 and chamber 16 by the upper surface of plate 12.For example, the top
Plate 11 may be provided with rows of first partition hole 112, be inserted with partition 113 in the first partition hole 112, and the slot 111 is divided
Be divided into two mutually isolated chambers 15 and chamber 16 (i.e. by the inner space of the header 1 be divided into two it is mutually isolated
Chamber 15 and chamber 16) (in combination with Fig. 2, Fig. 3, Figure 13, Figure 17 and Figure 18).The first partition hole 112 is along top plate 11
Width direction W setting, so that the chamber 15,16 is distributed along the length direction L of the top plate 11.The top plate 21 can equally be set
Partition 213 is set, the upper surface of the partition 213 abuts the lower surface of the bottom plate 22, the slot 211 of the header 2 is divided
It is divided into two mutually isolated chambers 25 and chamber 26.The top plate 21 equally may be provided with rows of for being inserted into partition 213
Second partition hole (not shown), specifically refer to the associated description of top plate 11, it will not go into details herein.
Further, the first partition hole 112 and the second partition hole are staggered along the direction that the flat tube 30 stacks
(i.e. the signified direction of oriented arrow 101 shown in Figure 17 is arranged in a staggered manner), i.e., the described partition 113 and the partition 213 are set
It is arranged in a staggered manner along the direction that the flat tube 30 stacks (in combination with Figure 17 and Figure 18), so that multiple flat tubes 30 can be divided into connection
The the second pipe group 32 and connecting chamber 16 and chamber of first pipe group 31 of chamber 15 and chamber 25, connecting chamber 25 and chamber 16
26 third pipe group 33 is conducive to the flow velocity for improving the first heat transferring medium, to improve to increase the process of the first heat transferring medium
The heat exchange efficiency of heat exchanger.
In order to further be conducive to the circulation of the first heat transferring medium, the first pipe group 31, the second pipe group 32 and third pipe group
The number of 33 flat tubes for being included is different.For example, the flat tube number N1 of the first pipe group 31, the second pipe group 32 it is flat
Following relationship: N1 > N2 > N3 can be met between pipe number N2 and the flat tube number N3 of third pipe group 33.For another example, N1:N2:
N3=10:7:4.
When the heat exchanger is in evaporator operation mode, first heat transferring medium enters from third header 5, warp
It is flowed out after heat exchange by the 4th header 6.The specific of first heat transferring medium flows to shown in the oriented lines in combination with Figure 17.And work as institute
When stating heat exchanger and being in condenser working mode, first heat transferring medium enters from the 4th header 6, by third after exchanging heat
Header 5 flows out.The specific of first heat transferring medium flows to shown in the oriented lines in combination with Figure 18.It is situated between to increase by the first heat exchange
Matter improves the flowing velocity of the first heat transferring medium in the process of heat exchanger.
It should be noted that top plate 11 settable one arranges the first partition board hole, may also set up certainly multiple rows of first partition hole with
It is more mutually isolated chambers by the slot of the header 1, to further increase the process of the first heat transferring medium.Accordingly
Ground, the top plate 21 of the header 2 may also set up one and arrange the 2nd partition board hole or multiple rows of second partition hole.In addition, the top plate 11
It is provided with row's partition board hole with that can also only have one in top plate 21, and another is not provided with partition board hole.The application does not limit this
It is fixed.
The number of rows of partition board hole set by the top plate 11 and top plate 21 can be the same or different.The application to this not
It limits, can be determined according to specific application environment.
The above is only the preferred embodiment of the application, not does limitation in any form to the application, though
Right the application has been disclosed in a preferred embodiment above, however is not limited to the application, any technology people for being familiar with this profession
Member, in the range of not departing from technical scheme, when the technology contents using the disclosure above are modified or are repaired
Decorations are the equivalent embodiment of equivalent variations, but all contents without departing from technical scheme, the technology according to the application are real
Matter any simple modification, equivalent change and modification to the above embodiments, still fall within the range of technical scheme
It is interior.
Claims (11)
1. a kind of heat exchanger characterized by comprising
Shell (4), the shell (4) is interior to be formed with chamber (40)；
Core (3), the core (3) are partly or entirely contained in the chamber (40), and the core (3) includes for circulating
The flat tube (30) and radiating piece (39) of first heat transferring medium, the radiating piece (39) and the setting of the flat tube (30) interval；
Header (1,2), the header (1,2) are set to the both ends of the shell (4)；
The side wall of the shell (4) is provided with the opening portion (411,433) for being connected to the chamber (40), the opening portion (411,
433) extend along the stacking direction of the flat tube (30)；
The end of the radiating piece (39) and the header (1,2) are provided with for the between the end face of the core (3)
The runner (390) of two heat transferring mediums circulation, the runner (390) are connected to the opening portion (411,433).
2. heat exchanger as described in claim 1, which is characterized in that the runner (390) close to the opening portion (411,
433) height of side is greater than the side height far from the opening portion (411,433).
3. heat exchanger as described in claim 1, which is characterized in that the runner (390) is neighbouring the opening portion (411,433)
The height d of one end and the width D of the radiating piece (39) between meet condition: 0.15D≤d≤0.25D；
Preferably, d=0.2D.
4. heat exchanger as described in claim 1, which is characterized in that the side wall of the shell (4) is provided with and the chamber
(40) the first and second header (7,8) being connected to, stacking direction of first and second header (7,8) along the flat tube (30)
Extend；
Shell (4) both ends are provided with third and fourth header (5,6) for being connected to the header (1,2).
5. heat exchanger as described in claim 1, which is characterized in that the radiating piece (39) includes main part, the part master
Body portion extends to form limiting section (393) to both ends, and the limiting section (393) is located remotely from the one of the opening portion (411,433)
Side, the limiting section (393) abut the header (1).
6. heat exchanger as claimed in claim 5, which is characterized in that the end face of the limiting section (393) is flattened edge；
Preferably, the length L of the end face is 5mm~10mm.
7. heat exchanger as described in claim 1, which is characterized in that the chamber (40) is divided into more by the flat tube (30)
A heat exchanger channels (401) for second heat transferring medium that circulates, the width W and the flat tube of the heat exchanger channels (401)
(30) meet condition between thickness T: 2T≤W≤3.25T；
Preferably, the range of T is 1.5mm~2.5mm.
8. heat exchanger as described in claim 1, which is characterized in that the shell (4) include at least two plates (41,42,
43,44), at least two plate (41,42,43,44) is welded to connect, at least two plate (41,42, the 43,44) In
Weld, which has, to partially overlap.
9. heat exchanger as described in claim 1, which is characterized in that the length direction along the flat tube (30), the shell
(4) multiple pleated structures (45) are provided with；The pleated structure (45) extends along the stacking direction of the flat tube (30).
10. heat exchanger as described in claim 1, which is characterized in that the header (1) includes top plate (11,21) and bottom plate
(12,22), the top plate (11,21) are provided with the slot (111,211) of length direction (L) extension along the top plate (11,21),
The slot (111,211) includes the open end (111a) of neighbouring bottom plate (12,22), and the bottom plate (12,22) is provided with slotting
The strip hole (125) of the flat tube (30) is connect, the strip hole (125) includes the first opening close to the top plate (11)
Second opening (125b) of (125a) and separate the top plate (11), the area of section of first opening (125a) are greater than described
The area of section of second opening (125b), and at least partly described open end (111a) and first opening (125a) are even
It is logical.
11. heat exchanger as described in claim 1, which is characterized in that the one of the header (1,2) close the core (3)
Finite place piece (395) are arranged in side, and one end of the locating part (395) abuts the end of the radiating piece (39), other end setting
In the header (1,2)；
The locating part (395) is positioned partially or entirely in the side of the runner (390) far from the opening portion (411,433).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517647.XA CN110530180A (en) | 2018-05-25 | 2018-05-25 | Heat exchanger |
| US16/964,926 US11624565B2 (en) | 2018-05-25 | 2019-05-24 | Header box and heat exchanger |
| EP19807116.9A EP3745076B1 (en) | 2018-05-25 | 2019-05-24 | Pipe collecting box and heat exchanger |
| PCT/CN2019/088400 WO2019223797A1 (en) | 2018-05-25 | 2019-05-24 | Pipe collecting box and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517647.XA CN110530180A (en) | 2018-05-25 | 2018-05-25 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110530180A true CN110530180A (en) | 2019-12-03 |
Family
ID=68657066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810517647.XA Pending CN110530180A (en) | 2018-05-25 | 2018-05-25 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790247A (en) * | 2023-01-06 | 2023-03-14 | 中国核动力研究设计院 | Flow equalizing part and heat exchange device |
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| CN1405525A (en) * | 2001-09-18 | 2003-03-26 | 日立空调系统株式会社 | Lamina-type heat-exchanger and refrigerating circulation |
| CN1620589A (en) * | 2001-12-21 | 2005-05-25 | 贝洱两合公司 | Heat exchanger, particularly for a motor vehicle |
| JP2005345038A (en) * | 2004-06-04 | 2005-12-15 | Calsonic Kansei Corp | Heat exchanger |
| CN101796286A (en) * | 2007-07-26 | 2010-08-04 | 泰坦X引擎冷却股份有限公司 | Heat exchanger and method of producing thereof |
| CN105571358A (en) * | 2015-12-30 | 2016-05-11 | 中国航空工业集团公司沈阳发动机设计研究所 | Primary surface heat exchanger |
| CN107687787A (en) * | 2016-08-03 | 2018-02-13 | 杭州三花研究院有限公司 | Heat-exchange device |
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2018
- 2018-05-25 CN CN201810517647.XA patent/CN110530180A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1405525A (en) * | 2001-09-18 | 2003-03-26 | 日立空调系统株式会社 | Lamina-type heat-exchanger and refrigerating circulation |
| CN1620589A (en) * | 2001-12-21 | 2005-05-25 | 贝洱两合公司 | Heat exchanger, particularly for a motor vehicle |
| JP2005345038A (en) * | 2004-06-04 | 2005-12-15 | Calsonic Kansei Corp | Heat exchanger |
| CN101796286A (en) * | 2007-07-26 | 2010-08-04 | 泰坦X引擎冷却股份有限公司 | Heat exchanger and method of producing thereof |
| CN105571358A (en) * | 2015-12-30 | 2016-05-11 | 中国航空工业集团公司沈阳发动机设计研究所 | Primary surface heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790247A (en) * | 2023-01-06 | 2023-03-14 | 中国核动力研究设计院 | Flow equalizing part and heat exchange device |
| CN115790247B (en) * | 2023-01-06 | 2023-04-21 | 中国核动力研究设计院 | Flow equalizing component and heat exchange device |
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