CN101949653B - Heat exchanger - Google Patents
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- CN101949653B CN101949653B CN2010102987471A CN201010298747A CN101949653B CN 101949653 B CN101949653 B CN 101949653B CN 2010102987471 A CN2010102987471 A CN 2010102987471A CN 201010298747 A CN201010298747 A CN 201010298747A CN 101949653 B CN101949653 B CN 101949653B
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- 238000005452 bending Methods 0.000 claims abstract description 110
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a heat exchanger, which comprises first collecting pipes, second collecting pipes, heat exchange pipes and a plurality of fins, wherein the second collecting pipes and the first collecting pipes are arranged in parallel at intervals; two ends of the heat exchange pipes are connected with the first and second collecting pipes respectively to communicate the first and second collecting pipes; and the plurality of fins are arranged between the adjacent heat exchange pipes respectively, wherein only one side of at least one of the fins is connected with the heat exchange pipe in the longitudinal directions of the first and second collecting pipes. According to the heat exchanger of the embodiment of the invention, the fins are prevented from being torn during bending so as to ensure the integral appearance of the heat exchanger and improve the heat exchange performance.
Description
Technical field
The present invention relates to a kind of heat exchanger.
Background technology
In order to improve applicability, heat exchanger, for example parallel-flow heat exchanger often need for example be bent into L or C shape shape along the axial bending of header.When bending; The part in the header bending outside is stretched, thereby spacing widens between the heat exchanger tube in the bending outside, so the fin between the heat exchanger tube also is stretched thereupon; The fin part that causes the bending outside is easily torn or is broken away from heat exchanger tube, has influenced the heat exchange property and the outward appearance of heat exchanger.
Described a kind of folding stress releasing structure among the European patent application EP 1962040A1, wherein between the adjacent flat tube of bending region, removed fin, the substitute is the bending guide rail, under the effect of bending guide rail, can freely stretch outside the bending during bending.
But the shortcoming of this traditional folding stress releasing structure is: owing to adopt the bending guide rail to replace fin, and be provided with between the flat tube of bending guide rail and can't ventilate, influenced the heat exchange effect unfriendly, and the heat exchanger overall appearance is poor.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason, one object of the present invention is to propose a kind of heat exchanger, when bending this heat exchanger can avoid fin in crooked torn or with the heat exchanger tube disengaging, thereby improved the heat exchange property and the overall appearance of heat exchanger.
Heat exchanger comprises according to an embodiment of the invention: first header; Second header, the spaced apart abreast setting of said second header and first header; Heat exchanger tube, the two ends of said heat exchanger tube link to each other with first and second headers respectively to be communicated with first and second headers; With a plurality of fins, said a plurality of fins are separately positioned between the adjacent heat exchanger tube, at least one in the wherein said fin first and second headers vertically on only link to each other with heat exchanger tube in the one of which side.
Heat exchanger according to the embodiment of the invention; Owing to have and be provided with the fin that only links to each other with heat exchanger tube in the vertical in the one of which side; Therefore when this heat exchanger was carried out follow-up bending, the fin that the both sides in the bend all link to each other with heat exchanger tube can not be torn or broken away from heat exchanger tube, has guaranteed the overall appearance of heat exchanger; And the heat exchanging Effect on Performance is reduced to minimum degree, has improved heat exchange property.
In addition, heat exchanger according to the above embodiment of the present invention can also have following additional technical characterictic:
Longitudinally bending is once so that said heat exchanger has at least one bend to said first and second headers at least, and the fin that wherein only links to each other with heat exchanger tube in the one of which side is positioned at apart from the scope of the bending center line preset distance of said bend.
Heat exchanger according to the embodiment of the invention; Has at least one bend; And the fin that only links to each other with heat exchanger tube in the one of which side is positioned at apart from the scope of the bending center line preset distance of said bend; Thus the fin that all links to each other of the both sides in the bend with heat exchanger tube can not be torn or with the heat exchanger tube disengaging, guaranteed the overall appearance of heat exchanger and improved heat exchange property.
The fin that only links to each other with heat exchanger tube in the one of which side is positioned at said bend.When the fin that only links to each other with heat exchanger tube in the one of which side is positioned at said bend; When bending; The fin that only links to each other with heat exchanger tube in the one of which side can move with respect to heat exchanger tube, and the fin of having avoided the both sides in the bend all to link to each other with flat tube is thus torn or broken away from heat exchanger tube is crooked.
Alternatively, only outside the fin that the one of which side links to each other with heat exchanger tube is positioned at said bend.The present inventor finds through a large amount of experiment accident ground; Fin through will only linking to each other with heat exchanger tube in the one of which side is arranged on outside the bend; Fin that when bending, only links to each other with heat exchanger tube in the one of which side and the spacing between the heat exchanger tube widen; Fin amount of tension in promptly most of bend (being the bending region) that causes because of bending has been transferred to bend outer (promptly having transferred to non-bending region), can realize that equally fin that the both sides in the bend all link to each other with heat exchanger tube can not torn or breaks away from heat exchanger tube.And; The fin that only links to each other with heat exchanger tube in the one of which side is arranged on non-bending region to be than the advantage that is arranged in the bending region; If the fin that only links to each other with heat exchanger tube in the one of which side places in the bending region; Owing to only between fin that the one of which side links to each other with heat exchanger tube and heat exchanger tube, do not have restraining force, folding stress is concentrated and only is released in the fin that links to each other with heat exchanger tube in the one of which side and the heat exchanger tube place of its both sides during bending, make be out of shape here very big; The relative shift that heat exchanger tube and the fin that only links to each other with heat exchanger tube in the one of which side draw back can be very big, makes the weak spot that becomes structure here.Comparatively speaking, if the fin that only links to each other with heat exchanger tube in the one of which side places non-bending region, during bending; Stress spreads from the bending region earlier and comes; Reach non-bending region again, deflection can be evenly dispersed on the heat exchanger relatively like this, makes that fin and the heat exchanger tube in non-bending region do not absorb stress relatively less in the junction; Thereby fin and heat exchanger tube space out also less, and the influence of heat exchanging performance and heat exchanger outward appearance reduces.
In one embodiment of the invention, the fin that only links to each other with heat exchanger tube in the one of which side can be for a plurality of.
And then, only at one of which side fin that links to each other with heat exchanger tube and the fin that all links to each other in its both sides with heat exchanger tube in vertical arranged alternate.Inner fin suffered amount of tension in bending region makes that the outward appearance of heat exchanger is cleaner and tidier, the heat exchange better effects if in the time of can discharging bending more equably thus.
Only between the opposite side of the fin that the one of which side links to each other with heat exchanger tube and the heat exchanger tube adjacent, be provided with baffle plate with this opposite side.
Through baffle plate is set, only can block after the bending fin that links to each other with heat exchanger tube in the one of which side and the gap between the heat exchanger tube, avoid wind from this gap through reducing heat exchange efficiency.
Each fin in the said bend all only links to each other with heat exchanger tube in the one of which side.
The fin that only links to each other with heat exchanger tube in the one of which side comprises the first sub-fin and the second sub-fin; Wherein in the vertical the first sub-fin only in one of which side and two adjacent heat exchange tubes link to each other; The second sub-fin only another in one of which side and said two adjacent heat exchange tubes links to each other, and wherein the opposite side of the first sub-fin and the second sub-fin is relative.
The said first and second sub-fins are intersected with each other in the vertical so that overlapping on short transverse top before the heat exchanger bending, and the first and second sub-fins are intersected with each other in the vertical so that between the opposite side of the opposite side of the overlapping or said first sub-fin in short transverse top and the second sub-fin, align or have the gap after heat exchanger bending.
The first and second sub-fins are still intersected with each other in the vertical after the bending, the gap can not occur between the first and second sub-fins, avoided the wind major part to pass through to reduce heat exchange efficiency and the inhomogeneity influence of heat exchanging from gap location.Alternatively, between the opposite side of the opposite side of the first sub-fin after the bending and the second sub-fin, can have the gap or align.Certainly, if having the gap after the bending, can block with baffle plate.
Before heat exchanger bending and between the opposite side of the opposite side of the said afterwards first sub-fin and the second sub-fin, all has the gap.
Heat exchanger according to the embodiment of the invention may further include the baffle plate that is used to cover said gap.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the sketch map of the heat exchanger of bending not according to an embodiment of the invention;
Fig. 2 is the schematic perspective view according to the heat exchanger after the bending of the embodiment of the invention;
Fig. 3 is the local schematic top plan view of heat exchanger shown in Figure 2;
Fig. 4 is the partial schematic diagram of heat exchanger shown in Figure 1;
Fig. 5 is the enlarged diagram of part shown in the A1 among Fig. 4;
Fig. 6 is the sketch map corresponding with Fig. 5 of the heat exchanger after the bending;
Fig. 7 is the partial schematic diagram of heat exchanger according to another embodiment of the present invention;
Fig. 8 is the enlarged diagram of part shown in the A2 among Fig. 7;
Fig. 9 is the heat exchanger sketch map corresponding with Fig. 8 after the bending according to another embodiment of the present invention;
Figure 10 is the partial schematic diagram of heat exchanger according to yet another embodiment of the invention;
Figure 11 is the enlarged diagram of part shown in the A3 among Figure 10;
Figure 12 is the heat exchanger sketch map corresponding with Figure 11 after the bending according to yet another embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " vertically ", " laterally ", " short transverse ", " on ", the orientation of indications such as D score, " left side ", " right side ", " vertically ", " level " or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
As shown in Figure 1, heat exchanger 100 comprises first header 1, second header 2, heat exchanger tube 3, undulatory a plurality of fins 4 according to an embodiment of the invention.
A plurality of undulatory fins 4 are separately positioned between the adjacent heat exchanger tube 3; For example at the longitudinal direction (left and right directions among Fig. 1; The i.e. axial direction of first and second headers) go up fin 4 can with heat exchanger tube 3 welding, wherein at least one fin 4 only links to each other with heat exchanger tube 3 in the one of which side in the vertical.
Thus; When in the vertical will be according to the heat exchanger bending of the embodiment of the invention according to application need; For example with the line X among Fig. 1 as the bending center line; The fin 4 that only links to each other with heat exchanger tube 3 in the one of which side is positioned at apart from the scope of bending center line X preset distance S; Through the fin 4 that only links to each other with heat exchanger tube 3 in the one of which side is set, the fin 4 that can avoid interior both sides, bending region (being the bend of heat exchanger) all to link to each other with heat exchanger tube 3 is torn or is broken away from heat exchanger tube 3, and heat exchange property and the appearance effects with bending heat exchanging device 100 is reduced to minimum thus.
Need to prove; In the heat exchanger according to the embodiment of the invention with reference to figure 1 description, heat exchanger 100 is the plate heat exchangers before the bending, post sales; The user can be according to application need with its bending; Wherein when bending, with the line X shown in Fig. 1 as the bending center line, and the corresponding bending center line X preset distance of fin 4 distances that only links to each other with heat exchanger tube 3 in the one of which side.In other words, be before the bending as the final products of selling, bending is undertaken by the user is follow-up.
Below referring to figs. 2 and 3 the heat exchanger of describing after the bending according to an embodiment of the invention 100.
Longitudinally (promptly axial) by bending at least once for first header 1 of heat exchanger 100 and second header 2; It (is the bending region that thereby heat exchanger 100 will have at least one bend; Zone beyond the bending region is non-bending region), wherein at least one fin in the fin 4 first and second headers vertically on only link to each other with heat exchanger tube 3 in the one of which side.
Need to prove that with reference to the heat exchanger 100 according to the embodiment of the invention that figure 2 describes, heat exchanger 100 is the heat exchangers after the bending, promptly compare, the final products after the bending that heat exchanger shown in Figure 2 comes out from the manufacturer with heat exchanger shown in Figure 1.
As shown in Figure 2; In concrete example of the present invention; First header 1 and second header 2 bending longitudinally three times wherein only are positioned at apart from the scope of the bending center line X preset distance S of a corresponding bend with the fin 4 that heat exchanger tube 3 links to each other in the one of which side so that bending heat exchanger 100 has three bends.
Though the heat exchanger 100 that Fig. 2 shows has three bends; It will be appreciated that; Heat exchanger 100 can have the bend of any suitable quantity as required, and each bend all has the fin 4 that only in one of which side with heat exchanger tube 3 link to each other corresponding with it.Fig. 3 shows the local schematic top plan view of a bend of heat exchanger 100 shown in Figure 2.
Shown in Fig. 4-6; Wherein Fig. 4 is according to the partial schematic diagram of the heat exchanger 100 before the embodiment of the invention bending; Fig. 5 is the enlarged diagram of part shown in the A1 among Fig. 4, and Fig. 6 is the sketch map corresponding with Fig. 5 according to the heat exchanger 100 after the embodiment of the invention bending.
The embodiment that has a bend with heat exchanger 100 below describes, and it will be appreciated that, is equally applicable to have the heat exchanger of a plurality of bends below to the description of the heat exchanger with a bend.For example, each bend all has the fin 4 that only in one of which side with heat exchanger tube 3 link to each other corresponding with it, promptly in the scope of the bending center line X preset distance S of each bend, all has the fin 4 that at least one only links to each other with heat exchanger tube 3 in the one of which side.
As shown in Figure 4; In the scope of the bending center line X preset distance S of the bend of heat exchanger 100; At least one fin 4 only links to each other with heat exchanger tube 3 in one of which side (for example the left side among Fig. 4 below can be called fixation side) in the vertical, for example only welds mutually with heat exchanger tube 3 in its left side; And this fin 4 opposite side (for example the right side among Fig. 4 below can be called free side) does not in the vertical link to each other with heat exchanger tube 3.
A fin 4 that only shows among Fig. 4 between two heat exchanger tubes 3 links to each other with heat exchanger tube 3 in the one of which side, and opposite side is free.It will be appreciated that, can only link to each other with heat exchanger tube 3 in the one of which side at a plurality of fins 4 of all fins 4 in the scope of bending center line X preset distance S or any suitable quantity.The quantity of the fin 4 that only links to each other with heat exchanger tube 3 in a side in preset distance S and its scope can be confirmed for example bending angle etc. according to actual needs.In other words; As long as only in the preset range adjacent, exist at the side side fin 4 that links to each other with heat exchanger tube with bending center line X; In heat exchanger 100 bending processes, the fin 4 that just can avoid the both sides in the bend all to link to each other with heat exchanger tube 3 is torn or is broken away from heat exchanger tube 3.
When only the quantity of the fin 4 that links to each other with heat exchanger tube 3 of a side can be for two or more; They can for example link to each other with heat exchanger tube 3 in the left side in an identical side; Also can be not link to each other with heat exchanger tube 3 in the same side; For example a part of fin 4 links to each other with heat exchanger tube 3 in the left side, and another part fin 4 links to each other with heat exchanger tube 3 on the right side, perhaps alternately links to each other with heat exchanger tube 3 with the right side in the left side.In addition; When the fin that only links to each other with heat exchanger tube 3 in a side 4 when a plurality of; The a plurality of fins that only link to each other with heat exchanger tube 3 in a side can all be positioned at the bending region; Perhaps a part is positioned at the bending region, and another part is positioned at non-bending region, and this fin 4 that can avoid the both sides in the bending region all to link to each other with heat exchanger tube 3 is torn or broken away from heat exchanger tube 3.
Alternatively, the fin 4 that only links to each other with heat exchanger tube 3 in the one of which side can all be positioned at non-bending region.The present inventor is surprised to find through a large amount of experiment accidents; When the fin that only links to each other with heat exchanger tube 3 in the one of which side all is positioned at non-bending region; When bending; Fin 4 that only links to each other with heat exchanger tube 3 in the one of which side and the spacing between the heat exchanger tube 3 widen, and the fin amount of tension in promptly most of bending region of causing because of bending has been transferred to non-bending region, can realize that equally fin 4 that the both sides in the bending region all link to each other with heat exchanger tube can not torn or breaks away from heat exchanger tube.And; The advantage that the fin that only links to each other with heat exchanger tube in the one of which side is arranged on non-bending region is; If the fin that only links to each other with heat exchanger tube in the one of which side places in the bending region; Owing to only link to each other with heat exchanger tube in the one of which side and do not have restraining force between fin and the heat exchanger tube, folding stress is concentrated the position of the heat exchanger tube that only is released in the fin that links to each other with heat exchanger tube in the one of which side and its both sides during bending, make be out of shape here very big; The relative shift that heat exchanger tube and the fin that only links to each other with heat exchanger tube in the one of which side draw back can be very big, makes the weak spot that becomes structure here.Comparatively speaking, if the fin that only links to each other with heat exchanger tube in the one of which side places non-bending region, during bending; Stress spreads from the bending region earlier and comes; Reach non-bending region again, deflection can be evenly dispersed on the heat exchanger relatively like this, makes non-bending region inner fin and heat exchanger tube can not absorb stress relatively less in the junction; Thereby fin and flat tube space out also less, and the influence of heat exchanging performance and heat exchanger outward appearance is little.
Fig. 4-6 shows a fin 4 between two heat exchanger tubes 3 in the scope of bending center line X preset distance S, need to prove that this only is exemplary description, and other fins 4 in this scope also can only link to each other with heat exchanger tube 3 in a side.And, as shown in Figure 2, when heat exchanger 100 has three bends, in the scope apart from the bending center line X preset distance S of each bend, the fin 4 that all exists at least one only to link to each other with heat exchanger tube 3 in the one of which side.
In some embodiments of the invention, as shown in Figure 6, after heat exchanger 100 bendings, the free side and the respective side heat exchanger tube 3 spaced apart clearance G of the fin 4 in the scope of bending center line X preset distance S.
Only the short transverse H along heat exchanger is provided with baffle plate 5 between the opposite side of the fin that a side links to each other with heat exchanger tube 3 and heat exchanger tube 3; Baffle plate 5 can be used to block the opposite side of fin 4 and the clearance G between the heat exchanger tube 3; Avoid the wind major part from this gap through cause heat exchange property to reduce and heat exchange inhomogeneous; Therefore improve heat exchange property, and further improved the overall appearance of heat exchanger 100.
In some embodiments of the invention, preferably, all fins in the bending region all only link to each other with heat exchanger tube 3 in the one of which side.The scope of bending region is confirmed by concrete bending parameter, for example bending angle etc.For example, the preset distance S that extends to both sides from bending center line X can think the scope of bending region.Certainly, the present invention is not limited to this, can exceed the scope of bending region to the preset distance S of both sides extension from bending center line X.
Alternatively; The fin 4 that the fin 4 that all links to each other with heat exchanger tube in its both sides and one of which side only link to each other with heat exchanger tube 4 can arranged alternate on vertical Z; Not only can avoid in the bending process fin 4 to be torn thus, and reduce the adverse effect that heat exchanging performance and heat exchange uniformity are brought to greatest extent.
In one embodiment of the invention, heat exchanger tube 3 is longitudinally arranged equally spacedly before heat exchanger bending.Through before heat exchanger bending, heat exchanger tube 3 is longitudinally arranged equally spacedly, in the manufacture process; Tying up and welding of heat exchanger is convenient, has therefore reduced manufacturing cost, has improved manufacturing efficient; And the heat exchange uniformity improves, and has further improved heat exchange efficiency.
Shown in Fig. 7-9; In some embodiments of the invention; In heat exchanger 100; The fin 4 that only links to each other with heat exchanger tube 3 in the one of which side can comprise the first sub-fin 4a and the second sub-fin 4b; On vertical Z the first sub-fin 4a only in one of which side (left side among Fig. 7-9) and two adjacent heat exchange tubes 3 link to each other, the second sub-fin 4b only another in one of which side (right side among Fig. 7-9) and said two adjacent heat exchange tubes 3 links to each other, and the opposite side (left side among Fig. 7-9) that the opposite side (right side among Fig. 7-9) that do not link to each other with heat exchanger tube 3 of the first sub-fin 4a and the second sub-fin 4b do not link to each other with heat exchanger tube 3 is relatively.
In description of the invention; " fin only links to each other with heat exchanger tube in the one of which side " links to each other and should do broad understanding; For example when fin is constituted sub-fin and is constituted by two parts; At this moment " fin only links to each other with heat exchanger tube in the one of which side " be interpreted as each sub-fin and only link to each other with heat exchanger tube in a side, this is to understand easily for those of ordinary skill in the art.
Because the first sub-fin 4a is only to link to each other with corresponding heat exchanger tube 3 in a side with the second sub-fin 4b; Therefore in heat exchanger 100 bending processes; Can remedy stretching through relatively moving between the first sub-fin 4a and the second sub-fin 4b; The fin 4 that can avoid the both sides in the bend all to link to each other with heat exchanger tube 3 is torn, and has improved heat exchange property and heat exchanger overall appearance.
In some embodiments of the invention, have the gap between the opposite side of the first sub-fin 4a and the second sub-fin 4b, as shown in Figure 9.The influence of heat exchanging performance and heat exchanger overall appearance is provided with baffle plate 5 at gap location along short transverse H for fear of the gap.
In optional embodiment of the present invention; Shown in Figure 10-12; Before the bending the first sub-fin 4a and the second sub-fin 4b with respect to opposite side can be intersected with each other on vertical Z; After the bending, when short transverse H saw, the opposite side of the first sub-fin 4a and the second sub-fin 4b can be overlapped.Thus, the gap do not occur between the first sub-fin 4a and the second sub-fin 4b after the bending, avoided the wind major part to pass through, thereby can further improve the overall appearance of heat exchange property and heat exchanger from gap location.Alternatively, can have the gap between the opposite side of the first sub-fin 4a and the second sub-fin 4b after the bending.Preferably, the alignment of the opposite side of the first sub-fin 4a and the second sub-fin 4b need not be provided with baffle plate thus after the bending, can not occur wind in addition yet and pass through to reduce heat exchange property from gap location.
In addition, no matter before the bending still after the bending, can have the gap between the opposite side of the first sub-fin 4a and the second sub-fin 4b, this gap can be blocked with baffle plate 5.
It is understandable that according to embodiments of the invention, the first sub-fin 4a and the second sub-fin 4b can be positioned at the bending region, also can be positioned at non-bending region, also can be positioned at bending region and non-bending region simultaneously.
According to the heat exchanger of the embodiment of the invention, owing to, have fin 4 and only link to each other with heat exchanger tube in the one of which side in the scope of the bending center line X preset distance of bend; Therefore when bending, the fin 4 in the bend can not torn, and it is good that the heat exchanger overall appearance keeps; And the influence of heat exchange property is reduced to minimum degree; In other words, with respect to traditional bending heat exchanger, improved heat exchange property.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention; Those having ordinary skill in the art will appreciate that: under the situation that does not break away from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited claim and equivalent thereof.
Claims (4)
1. a heat exchanger is characterized in that, comprising:
First header;
Second header, the spaced apart abreast setting of said second header and first header;
Heat exchanger tube, the two ends of said heat exchanger tube link to each other with first and second headers respectively to be communicated with first and second headers; With
A plurality of fins, said a plurality of fins are separately positioned between the adjacent heat exchanger tube, at least one in the wherein said fin first and second headers vertically on only link to each other with heat exchanger tube in the one of which side,
Wherein said first and second headers longitudinally at least bending wherein only be positioned at apart from the scope of the bending center line preset distance of said bend and only outside the fin that the one of which side links to each other with heat exchanger tube is positioned at said bend once so that said heat exchanger has at least one bend at the fin that the one of which side links to each other with heat exchanger tube.
2. heat exchanger according to claim 1 is characterized in that, the fin that only links to each other with heat exchanger tube in the one of which side is a plurality of.
3. heat exchanger according to claim 2 is characterized in that, only at one of which side fin that links to each other with heat exchanger tube and the fin that all links to each other in its both sides with heat exchanger tube in vertical arranged alternate.
4. heat exchanger according to claim 1 is characterized in that, only between the opposite side of the fin that the one of which side links to each other with heat exchanger tube and the heat exchanger tube adjacent with this opposite side, is provided with baffle plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102987471A CN101949653B (en) | 2010-09-29 | 2010-09-29 | Heat exchanger |
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| CN2010102987471A CN101949653B (en) | 2010-09-29 | 2010-09-29 | Heat exchanger |
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| CN 201110326656 Division CN102445091B (en) | 2010-09-29 | 2010-09-29 | Heat exchanger |
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| CN101949653B true CN101949653B (en) | 2012-04-25 |
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| CN102207304A (en) * | 2011-05-20 | 2011-10-05 | 张玉贵 | Vacuum superconducting inner and outer fin laminating multidirectional air outlet electric heating fan heater |
| CN103411446B (en) | 2013-08-28 | 2016-04-13 | 杭州三花微通道换热器有限公司 | Heat exchanger |
| CN107990598B (en) * | 2016-10-26 | 2022-03-08 | 盾安环境技术有限公司 | Micro-channel heat exchanger |
| CN111380395A (en) * | 2018-12-28 | 2020-07-07 | 丹佛斯有限公司 | Heat exchanger |
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| JP2002243381A (en) * | 2001-02-16 | 2002-08-28 | Daikin Ind Ltd | Air heat exchanger and its manufacturing method |
| JP2005090806A (en) * | 2003-09-16 | 2005-04-07 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| US20070204977A1 (en) * | 2006-03-06 | 2007-09-06 | Henry Earl Beamer | Heat exchanger for stationary air conditioning system with improved water condensate drainage |
| US7900689B2 (en) * | 2007-02-23 | 2011-03-08 | Delphi Technologies, Inc. | Bend relief spacer |
| CN101149195A (en) * | 2007-11-14 | 2008-03-26 | 上海精励汽车科技有限公司 | Parallel-flow evaporator for automobile air conditioner |
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