CN101883964B - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN101883964B CN101883964B CN2008801184946A CN200880118494A CN101883964B CN 101883964 B CN101883964 B CN 101883964B CN 2008801184946 A CN2008801184946 A CN 2008801184946A CN 200880118494 A CN200880118494 A CN 200880118494A CN 101883964 B CN101883964 B CN 101883964B
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- China
- Prior art keywords
- refrigerant pipe
- return duct
- heat exchanger
- tube connector
- pipe
- 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.)
- Expired - Fee Related
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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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
- F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
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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
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchanger is provided. The heat exchanger includes two mutually adjacent refrigerant tubes, and a return tube communicating the two refrigerant tubes. The return tube includes two straight portions communicated with the two refrigerant tubes, respectively, and a curved portion having a radius of curvature greater than 1/2 a distance between the two straight portions.
Description
Technical field
This embodiment relates to a kind of heat exchanger.
Background technology
Usually, heat exchanger be a kind of between internal refrigeration storage agent and external fluid the device of heat-shift.Heat exchanger can be used as condenser or evaporimeter in the cold-producing medium circulation that is formed by compressor, condenser, expansion gear and evaporimeter.
Heat exchanger can be divided into fin tube type heat exchanger and microchannel tubular type heat exchanger.The pipe that fin tube type heat exchanger comprises a plurality of fins and passes a plurality of cylindrical shapes or the approximate circle tubular of a plurality of fins.Microchannel tubular type heat exchanger comprises a plurality of refrigerant pipes and is separately positioned on a plurality of curved fins between a plurality of refrigerant pipes.
Summary of the invention
Technical problem
Embodiment provides a kind of heat exchanger with heat exchanger effectiveness of improvement.
Embodiment also provides a kind of the have refrigerant pipe that can be easy to connect and the heat exchanger of return duct.
Technical scheme
In one embodiment, heat exchanger comprises: two contiguous each other refrigerant pipes; And the return duct that is communicated with two refrigerant pipes; Tube connector, in the said refrigerant pipe one is inserted in the end of said tube connector, and said return duct is inserted in the other end of said tube connector; Fixed bed; Said fixed bed is formed between said refrigerant pipe and the said tube connector and between said return duct and the said tube connector, fixed bed is coupled to the periphery of said refrigerant pipe and said return duct in the position of the end predetermined distance of said refrigerant pipe of distance and said return duct; And cover layer, said cover layer is formed on each end of said refrigerant pipe and said return duct, gets in the space between said refrigerant pipe and said return duct with the solder that prevents to melt; Wherein, return duct comprises: two straight portions, and said two straight portions are communicated with two refrigerant pipes respectively; And turn of bilge, said turn of bilge has the half the radius of curvature greater than the distance between two straight portions.
In another embodiment, heat exchanger comprises: two contiguous each other refrigerant pipes; And the return duct that is communicated with two refrigerant pipes, wherein, return duct comprises: two straight portions, and said two refrigerant pipes are inserted into respectively in said two straight portions; And turn of bilge, said turn of bilge connects said two straight portions.
In another embodiment, heat exchanger comprises: two contiguous each other refrigerant pipes; With said two return ducts that refrigerant pipe is communicated with; And tube connector, wherein, in the refrigerant pipe one is inserted in the end of said tube connector, and return duct is inserted in the other end of said tube connector.
Beneficial effect
According to above-mentioned embodiment,, improved heat exchanger effectiveness because refrigerant pipe passes and be coupled to fin.
In addition; Because return duct is bent to have the half the radius of curvature above the distance between the refrigerant pipe; So that the bending of return duct, and in having the heat exchanger of same size, can make the quantity maximization of refrigerant pipe, thereby can improve the heat exchanger effectiveness of heat exchanger.
In addition, because return duct and refrigerant pipe coupling are joined, so can fix a plurality of refrigerant pipes and a plurality of return duct simultaneously through soldering.
Description of drawings
Fig. 1 is the stereogram that illustrates according to the structure of the heat exchanger of first embodiment.
Fig. 2 illustrates the sectional view that joins state according to the coupling of the refrigerant pipe of first embodiment and fin.
Fig. 3 is the stereogram according to the return duct of first embodiment.
Fig. 4 is illustrated in the refrigerant pipe of tube connector place connection and the sectional view of return duct.
Fig. 5 is the stereogram according to the tube connector of first embodiment.
Fig. 6 is that the coupling that is in that illustrates according to first embodiment joins the refrigerant pipe of state and the sectional view of connector.
Fig. 7 is the flow chart that illustrates according to the manufacture process of the heat exchanger of this embodiment.
Fig. 8 is the stereogram according to the return duct of second embodiment.
Fig. 9 is that the coupling that is in that illustrates according to second embodiment joins the return duct of state and the sectional view of refrigerant pipe.
The specific embodiment
Existing reference particularly embodiment of the present disclosure, embodiment illustrates in the accompanying drawings.In this embodiment, when same title and same Reference numeral are used for same element, no longer provide it to be repeated in this description.
Fig. 1 is the stereogram that illustrates according to the structure of the heat exchanger of first embodiment, and Fig. 2 illustrates the sectional view that joins state according to the coupling of the refrigerant pipe of first embodiment and fin.
See figures.1.and.2, comprise according to the heat exchanger 1 of this embodiment: a plurality of fins 12, a plurality of refrigerant pipes 10 pass said a plurality of fin; And collector 13, said collector 13 is connected to the part in said a plurality of refrigerant pipe 10.
Particularly, refrigerant pipe 10 forms with flat shape.That is, refrigerant pipe 10 has the cross section of the hexagonal shape of general flat.
The whole periphery of said a plurality of refrigerant pipe 10 passes each fin 12.
In addition, for example, refrigerant pipe 10 can be formed by the aluminum with high heat transfer coefficient with fin 12.
On the contact surface of refrigerant pipe 10 and fin 12, be formed with brazing layer.Brazing layer is to form through coupling being joined or being attached to solder (brazement) heating of the sheet structure on the refrigerant pipe 10 and melting.Brazing layer is fixed together refrigerant pipe 10 and fin 12, thereby produces high-intensity joint.
For example, can use covering as solder.Here, the fusing point of solder is lower than the fusing point of refrigerant pipe 10 and fin 12.
Said a plurality of refrigerant pipe 10 is connected in a plurality of capillaries 16 through connector 17, and said a plurality of refrigerant pipe 10 can be divided into: first pipe 111; Be connected to second pipe 113 of collector 13; And be arranged on first pipe 111 and second and manage one or more intervalve 112 between 113.
Said a plurality of capillary 16 is connected to distributor 18, and distributor 18 is arranged on the below of heat exchanger 1.
In addition, making first pipe 111 and intervalve 112 and second manage 113 through return duct 14 is communicated with intervalve 112.Return duct 14 is connected through tube connector 15 with each pipe 111,112,113.
The end of each pipe 111,112,113 and return duct 14 is inserted in the end of tube connector 15.
Each pipe 111,112 and 113 is bent to form two layers.The sweep of each pipe 111,112 and 113 can be called bend 11.Here, the radius of curvature of bend 11 half the greater than the distance between two adjacent tube.
Here, a plurality of pipe units comprise second pipe 113 respectively, and therefore significantly, collector 13 links to each other with a plurality of second pipes 113.
In this embodiment, in pipe unit, comprise an intervalve 112 though described, for the not restriction of quantity of intervalve 112.For example, intervalve 112 can be set, and first pipe 111 can be connected with second pipe 113 through return duct 14; Perhaps, a plurality of intervalves 112 can be set.In addition, if be provided with one or more intervalve 112, the quantity of then set return duct 14 is Duoed one than the quantity of intervalve 112.
Fig. 3 is the stereogram according to the return duct of first embodiment, and Fig. 4 is illustrated in the refrigerant pipe of tube connector place connection and the sectional view of return duct.
With reference to Fig. 3 and Fig. 4, when return duct 14 was bent and be shaped to open curve generally, it is identical with refrigerant pipe 10 that return duct is configured to.
Particularly, turn of bilge 141a be bent in case have greater than the distance between two straight 141b of portion (L: basically with the refrigerant pipe of two vicinities between distance identical) half the radius of curvature (R).
Make distance minimization between the refrigerant pipe 10 of two vicinities like this, be convenient to form return duct 14 simultaneously.In other words, reduce the distance (L) between the refrigerant pipe 10 of two vicinities, and increased the quantity of the refrigerant pipe 10 that in the heat exchanger of same size, can be provided with.When the quantity of refrigerant pipe 10 increased, the heat-exchange capacity of heat exchanger 1 increased.
Yet the distance between refrigerant pipe 10 (L) is when reducing, and the radius of curvature that connects the return duct 14 of refrigerant pipe 10 also reduces, and therefore makes the bending of return duct 14 become difficult more.
Correspondingly, in this embodiment, the radius of curvature of turn of bilge 141a forms half the greater than the distance (L) between the contiguous refrigerant pipe 10, thereby can easily realize return duct 14---promptly, the sweep of return duct 14---formation.
The end of refrigerant pipe 10 and return duct 14 is inserted in the tube connector 15.Tube connector 15 forms corresponding in shape with the end of refrigerant pipe 10 and return duct 14.The inner rim of tube connector 15 forms with the neighboring of refrigerant pipe 10 and return duct 14 has identical size.
Forming brazing layer 20 between refrigerant pipe 10 and the tube connector 15 and between return duct 14 and tube connector 15.Brazing layer 20 forms through heating and fusing solder.Brazing layer 20 firmly fixes refrigerant pipe 10 with tube connector 15 and with tube connector 15 and return duct 14.
As stated, solder can be a covering.The fusing point of solder is lower than the fusing point of refrigerant pipe 10, return duct 14 and tube connector 15.
Particularly, in position, the solder coupling is joined or is attached to the periphery of refrigerant pipe 10 and return duct 14 apart from the end predetermined distance of refrigerant pipe 10 and return duct 14.On each end of refrigerant pipe 10 and return duct 14, form cover layer 21.
When being inserted into refrigerant pipe 10 and return duct 14 in the tube connector 15, each end face of refrigerant pipe 10 and return duct 14 is to each other.
When the heating solder, cover layer 21 prevents that the solder that melts from getting in the space between refrigerant pipe 10 and return duct 14.Brazing layer 20 can form on the outside of cover layer 21 partly.
For example, can at first form cover layer in the end of refrigerant pipe 10 and return duct 14, solder can surround at least a portion cover layer then.
Fig. 4 has clearly described the position of brazing layer 20 and cover layer 21.
Below, the coupling that refrigerant pipe, tube connector and return duct are provided is joined the description of process.
At first, the periphery with solder coiling refrigerant tube 10 and return duct 14 carries out attached or the coupling couplet.Then, on each end of refrigerant pipe 10 and return duct 14, form cover layer 21.The order that the coupling of the formation of cover layer 21 and refrigerant pipe 10 and return duct 14 joins can be put upside down.
Next, coupling on it is associated with the refrigerant pipe 10 of solder and each end of return duct 14 is inserted in the tube connector 15.Then, solder is heated in order to refrigerant pipe 10 is fixed to tube connector 15 and return duct 14 is fixed to tube connector 15.
Here, because each end of refrigerant pipe that is in contact with one another 10 and return duct 14 is fixed to tube connector 15, refrigerant pipe 10 is fixed through tube connector 15 with return duct 14 indirectly.
Fig. 5 is the stereogram according to the tube connector of first embodiment, and Fig. 6 is that the coupling that is in that illustrates according to first embodiment joins the refrigerant pipe of state and the sectional view of connector.
With reference to Fig. 1,5 and 6, connector 17 coupling part refrigerant pipes 10 (pipe of first among Fig. 1 111) and columnar capillary 16.That is, connector 17 is connected to difform capillary 16 with refrigerant pipe 10.
Particularly, connector 17 comprises first connector 170a that is coupled to refrigerant pipe 10 and the second connector 170b that is coupled to capillary 16.
The first connector 170a has opening 172, and opening 172 forms in order to refrigerant pipe 10 is inserted wherein.Opening 172 is shaped to corresponding with the shape of refrigerant pipe 10.The surface of the second connector 170b defines the coupling couplet hole 131 that is used for capillary 16 is coupled to second connector.
Be thus connected at capillary 16 under the situation in coupling couplet hole 131, refrigerant pipe 10 is inserted among the first connector 170a in order to be communicated with capillary 16 and refrigerant pipe 10.
The transverse cross-sectional area of the first connector 170a forms greater than the transverse cross-sectional area of the second connector 170b.Therefore, on the inboard of connector 17---promptly, in the connecting portion between the first connector 170a and the second connector 170b---form holding section 173.When being inserted into refrigerant pipe 10 in the connector 17, make the end of refrigerant pipe 10 compress holding section 173.
In addition, holding section 173 is formed on the position that joins hole 171 away from coupling.Correspondingly; When heat exchanger is used as evaporimeter; The cold-producing medium of discharging from capillary 16 gets into the inner space of the second connector 170b, and is supplied to refrigerant pipe 10 then, thereby can cold-producing medium fully be fed to each coolant channel (102) of refrigerant pipe 10.In addition, the thickness of holding section 173 can form corresponding to the thickness of refrigerant pipe 10.
That is, the inner surface of the inner surface of refrigerant pipe 10 and the second connector 170b is with periphery.Therefore, the resistance that flows of the cold-producing medium between the refrigerant pipe 10 and the second connector 170b can minimize.
In addition, can form brazing layer 22 at the connecting portion place of the first connector 170a and refrigerant pipe 10.
Below, with the description of the manufacture process that heat exchanger is provided.
Fig. 7 is the flow chart that illustrates according to the manufacture process of the heat exchanger of this embodiment.
With reference to Fig. 7, at first, form a plurality of refrigerant pipes 10 and a plurality of fins 12.Then, the solder coupling is joined or is attached to the periphery of refrigerant pipe 10.Next, in operation S11, there is the refrigerant pipe 10 of solder to insert fin 12 with attached.
Next, in operation S13, first pipe 111, intervalve 112, second pipe 113 and return duct 14 join with tube connector 15 couplings respectively.Here, above that coupling join or attached pipe 111,112,113 that solder arranged and return duct 14 on form cover layer 21 respectively.Then, in operation S15, first pipe, 111 end is coupled to connector 17.
Next, in operation S17, with refrigerant pipe 10, return duct 14 and tube connector 15 heating (soldering).For example, can refrigerant pipe 10, return duct 14, tube connector 15 and connector 17 be heated to about 580 ℃ to 612 ℃ temperature.Certainly, the process of heating and cooling agent pipe 10, return duct 14, tube connector 15 and connector 17 is in order to heat and to melt solder.
Then, between refrigerant pipe 10 and fin 12, form brazing layer, in order to be fixed to fin 12 to refrigerant pipe 10.
In addition, forming brazing layer 20 between refrigerant pipe 10 and the tube connector 15 and between tube connector 15 and return duct 14, in order to refrigerant pipe 10 is fixed with tube connector 15 and with tube connector 15 and return duct 14.
In addition, between connector 17 and refrigerant pipe 10, form brazing layer 22, in order to connector 17 and refrigerant pipe 10 are fixed together.
Next, in operation 19, refrigerant pipe 10 and return duct 14 interior oil are become dry.Then, in operation 21, on the outer surface of fin 12, cover corrosion-resisting film.After this, in operation S23, on the outer surface of the corrosion-resisting film of fin 12, cover hydrophilic membrane.
Next, in operation S25, on heat exchanger 1, carry out leak detection.Have predetermined pressure through making---for example, 20kg/cm
2Pressure---fluid cycle through the inside of heat exchanger and detect seepage and carry out leak detection.
Next, with the effect of describing above-mentioned heat exchanger.
At first, when heat exchanger 1 is used as evaporimeter, make two phase refrigerant be assigned to a plurality of capillaries 16 from distributor 18.In this embodiment, because be provided with a plurality of pipe units, so first pipe 111 that in each pipe unit, comprises links to each other respectively with a plurality of capillaries 16.Correspondingly, said a plurality of capillary 16 links to each other with distributor 18.
If by compression fully, then cold-producing medium is in liquid state to cold-producing medium when its process compressor.But the cold-producing medium of process compressor can not be liquefied fully, but is in the state of gas-liquid two-phase.
Here, in this embodiment, because capillary 16 is connected respectively to first pipe 111 through connector 17, and to the top that extends below and be coupled to distributor 18, so can cold-producing medium be assigned to each capillary 16 equably from distributor 18.That is, can prevent that the cold-producing medium of liquid is assigned to a capillary 16 in a plurality of capillaries 16, and the cold-producing medium of gaseous state is assigned to another capillary 16 in a plurality of capillaries 16.
The cold-producing medium that flow to each capillary 16 has experienced expansion process, and the cold-producing medium of expansion flows in each first pipe 111.Flow to the cold-producing medium of each first pipe in 111 intervalve 112 and second of flowing through successively and manage 113 to be evaporated, it flows in the collector 13 then.
Here, during heat exchanger 1 is used as evaporimeter, owing to the heat exchange between cold-producing medium and external fluid produces condensate.In this, according to this embodiment, because refrigerant pipe 10 passes and be coupled to fin 12, so the condensate that produces is easy to flow downward along fin 12.
On the contrary, when with heat exchanger when the condenser, the cold-producing medium of the gaseous state of discharging from compressor flows to the collector 13.The cold-producing medium that flows in the collector 13 is assigned to each second pipe 113.Flow to the condensation of refrigerant of second pipe 113, simultaneously successively through the intervalve 112 and first pipe 111.Condensed refrigerant flows to each capillary 16.
Correspondingly, in this embodiment,, improved heat exchanger effectiveness because the coolant channel that in a plurality of refrigerant pipes, forms is coupled to and passes fin.
In addition, because a plurality of refrigerant pipe and a plurality of fin, refrigerant pipe and return duct and refrigerant pipe and connector can join through soldering while coupling, so can make the manufacture simplification of heat exchanger.
Fig. 8 is the stereogram according to the return duct of second embodiment, and Fig. 9 is that the coupling that is in that illustrates according to second embodiment joins the return duct of state and the sectional view of refrigerant pipe.
With reference to Fig. 8 and Fig. 9, comprise a turn of bilge 231 and two straight portions 233 according to the return duct 23 of this embodiment.
Turn of bilge 231 is crooked so that have the half the radius of curvature (R) greater than the distance between the refrigerant pipe of two vicinities (L).
Two straight portions 233 are separately positioned on the place, arbitrary end of turn of bilge 231.In the refrigerant pipe 10 of two vicinities one correspondingly is inserted in the end of straight portion 233.Correspondingly, each straight portion 233 forms to compare with refrigerant pipe 10 and has relatively large transverse cross-sectional area.
In addition, the corresponding a plurality of coolant channels 232 of quantity of the coolant channel in setting and the refrigerant pipe 10 in turn of bilge 231.Therefore, the coolant channel 232 in the turn of bilge 231 respectively with refrigerant pipe 10 in coolant channel 102 be connected.In addition, a plurality of dividing plates 234 are set in the space in turn of bilge 231, so that the inner space of turn of bilge 231 is separated into a plurality of coolant channels 232.
In addition, can on return duct 23, form brazing layer 24, perhaps more specifically, on the part that connects each straight portion 233 and each refrigerant pipe 10, form brazing layer 24.That is, return duct 23 joins through the soldering coupling with each refrigerant pipe 10.
In the description of this embodiment,, can brazing layer be called fixed bed through brazing layer being respectively fixed on two members.
Any in this manual " embodiment " of mentioning, " a kind of embodiment ", " illustrative embodiments " etc. mean that the specific characteristic, structure or the characteristic that combine this embodiment to describe are included at least one embodiment of the present disclosure.The similar term that occurs everywhere in this manual needn't all relate to same embodiment.In addition, when combining any embodiment to describe specific characteristic, structure or characteristic, think that those of ordinary skills also can combine these characteristics, structure or characteristic to be applied in other embodiment.
Though described each embodiment with reference to a large amount of illustrated embodiment, should be appreciated that and all will drop in the purport and scope of principle of the present disclosure by many other remodeling and the embodiment that those of ordinary skills make.More particularly, the component part of the attached composite set in the scope of the disclosure, accompanying drawing and accompanying claims and/or device can be done various variations and remodeling.The variant and remodeling in component part and/or device, substituting use also is conspicuous to those of ordinary skills.
Claims (7)
1. heat exchanger comprises:
Two contiguous each other refrigerant pipes; And
With said two return ducts that refrigerant pipe is communicated with,
Tube connector, in the said refrigerant pipe one is inserted in the end of said tube connector, and said return duct is inserted in the other end of said tube connector;
Fixed bed; Said fixed bed is formed between said refrigerant pipe and the said tube connector and between said return duct and the said tube connector, said fixed bed is coupled to the periphery of said refrigerant pipe and said return duct in the position of the end predetermined distance of said refrigerant pipe of distance and said return duct; With
Cover layer, said cover layer are formed on each end of said refrigerant pipe and said return duct, get in the space between said refrigerant pipe and said return duct with the solder that prevents to melt,
Wherein,
Said return duct comprises:
Two straight portions, said two straight portions are communicated with said two refrigerant pipes respectively; And
Turn of bilge, said turn of bilge have the half the radius of curvature greater than the distance between said two straight portions.
2. according to the heat exchanger of claim 1, wherein, each said refrigerant pipe is separated into a plurality of coolant channels.
3. according to the heat exchanger of claim 2, wherein, each all is separated into said straight portion quantitatively and the corresponding a plurality of coolant channels of the coolant channel of said refrigerant pipe.
4. according to the heat exchanger of claim 1, wherein, each said straight portion has transverse cross-sectional area identical with the transverse cross-sectional area of each said refrigerant pipe on size and dimension.
5. according to the heat exchanger of claim 1, wherein,
Be inserted under the situation in the said tube connector at said refrigerant pipe and said return duct, said refrigerant pipe and said return duct contact with each other at its place, end separately, and
Said cover layer is arranged on the periphery of end separately of contacted said refrigerant pipe and said return duct.
6. according to the heat exchanger of claim 1, also comprise a plurality of fins, said refrigerant pipe passes said a plurality of fin.
7. according to the heat exchanger of claim 1, wherein, said turn of bilge is separated into quantitatively and the corresponding a plurality of coolant channels of the coolant channel of said refrigerant pipe.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2008-0021355 | 2008-03-07 | ||
| KR1020080021355A KR101380078B1 (en) | 2008-03-07 | 2008-03-07 | Return tube and heat exchanger comprising the same |
| KR10-2008-0034434 | 2008-04-15 | ||
| KR1020080034434A KR101633925B1 (en) | 2008-04-15 | 2008-04-15 | Heat exchanger |
| PCT/KR2008/004050 WO2009110664A1 (en) | 2008-03-07 | 2008-07-09 | Heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101883964A CN101883964A (en) | 2010-11-10 |
| CN101883964B true CN101883964B (en) | 2012-07-04 |
Family
ID=41056205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008801184946A Expired - Fee Related CN101883964B (en) | 2008-03-07 | 2008-07-09 | Heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101883964B (en) |
| WO (1) | WO2009110664A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016144007A1 (en) * | 2015-03-10 | 2016-09-15 | 한온시스템 주식회사 | Heat exchanger for cooling electrical element |
| CN106855369B (en) * | 2015-12-09 | 2020-05-22 | 浙江三花汽车零部件有限公司 | Heat exchanger |
| EP3388770B1 (en) * | 2015-12-09 | 2023-05-24 | Zhejiang Sanhua Automotive Components Co., Ltd. | Heat exchanger |
| CN107289677B (en) * | 2016-03-31 | 2020-09-25 | 杭州三花研究院有限公司 | Heat exchanger and CO2Cooling system |
| CN107289676B (en) * | 2016-03-31 | 2020-09-25 | 杭州三花研究院有限公司 | Heat exchanger and vehicle air conditioning system |
| CN108981437A (en) * | 2017-06-02 | 2018-12-11 | 美的集团股份有限公司 | Heat exchanger and water heater |
| CN108981436A (en) * | 2017-06-02 | 2018-12-11 | 美的集团股份有限公司 | Heat exchanger and water heater |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05215488A (en) * | 1992-02-04 | 1993-08-24 | Matsushita Refrig Co Ltd | Connecting tube for tubes and heat exchanger using the same |
| JPH10103624A (en) * | 1996-09-26 | 1998-04-21 | Taihei Kinzoku Kogyo Kk | Radiant tube of heating furnace |
| JP2001202187A (en) * | 2000-01-24 | 2001-07-27 | Seiko Epson Corp | Electronics and control method for electronics |
| KR100497429B1 (en) * | 2002-07-18 | 2005-06-29 | 주식회사 케스 | Fin & flat tube type Heat exchanger and Evaporator using the same |
-
2008
- 2008-07-09 WO PCT/KR2008/004050 patent/WO2009110664A1/en active Application Filing
- 2008-07-09 CN CN2008801184946A patent/CN101883964B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009110664A1 (en) | 2009-09-11 |
| CN101883964A (en) | 2010-11-10 |
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