CN106546112A - Coil heat exchanger - Google Patents
Coil heat exchanger Download PDFInfo
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- CN106546112A CN106546112A CN201610971865.1A CN201610971865A CN106546112A CN 106546112 A CN106546112 A CN 106546112A CN 201610971865 A CN201610971865 A CN 201610971865A CN 106546112 A CN106546112 A CN 106546112A
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- Prior art keywords
- heat exchanger
- exchanger tube
- procedure
- pass
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
-
- 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
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
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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
The present invention discloses a kind of coil heat exchanger.Coil heat exchanger includes inlet collecting and outlet collection pipe, inlet collecting and outlet collection pipe interval setting；Intermediate collector pipe, intermediate collector pipe are located between inlet collecting and outlet collection pipe；At least one first pass heat exchanger tube, each first pass heat exchanger tube includes multiple first straight lengths and the first bend loss, it is connected by first bend loss per two adjacent the first straight lengths, the two ends of each first pass heat exchanger tube are connected with inlet collecting and intermediate collector pipe respectively；At least one second procedure heat exchanger tube, each second procedure heat exchange includes multiple second straight lengths and the second bend loss, it is connected by second bend loss per two adjacent the second straight lengths, the two ends of each second procedure heat exchanger tube are connected with intermediate collector pipe and outlet collection pipe respectively.The coil heat exchanger of the present invention, is conducive to reducing pressure drop when coolant circulates between first pass heat exchanger tube and second procedure heat exchanger tube.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly, to a kind of coil heat exchanger.
Background technology
Micro-channel heat exchanger mainly has two big type of parallel flow type and coiled.Compare parallel flow type Thermal Performance of Micro Channels
Device, coil micro-channel heat exchanger simple structure, fabrication and processing are convenient.But as the circulation of coil micro-channel heat exchanger cuts
Area is little, and flow process is longer, causes the pressure drop of coolant very big.By increasing the flat of coil micro-channel heat exchanger in correlation technique
The circulation area of pipe is to reduce the pressure drop of coolant, but the increase of flat tube circulation area then means heat exchange area and the coefficient of heat transfer
Reduce.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this purpose, the present invention is carried
Go out a kind of coil heat exchanger, be conducive to reducing coolant pressure drop.
Coil heat exchanger according to embodiments of the present invention, including：Inlet collecting and outlet collection pipe, the entrance collection
Flow tube and the outlet collection pipe interval setting；Intermediate collector pipe, in the side vertical with the length direction of the inlet collecting
Upwards, the intermediate collector pipe is located between the inlet collecting and the outlet collection pipe；At least one first pass is changed
Heat pipe, each described first pass heat exchanger tube include multiple first straight lengths and the first bend loss, described the per adjacent two
One straight length is connected by first bend loss, the two ends of each first pass heat exchanger tube respectively with the entrance
Header is connected with the intermediate collector pipe；At least one second procedure heat exchanger tube, each described second procedure heat exchange is including more
Individual second straight length and the second bend loss, pass through the second bend loss phase per two adjacent second straight lengths
Even, the two ends of each second procedure heat exchanger tube are connected with the intermediate collector pipe and the outlet collection pipe respectively.
Coil heat exchanger according to embodiments of the present invention, by intermediate collector pipe is located at inlet collecting and outlet collection
Between flow tube, the structure for more reasonably optimizing coil heat exchanger is conducive to for example to optimize first pass heat exchanger tube and second
The cross sectional shape of journey heat exchanger tube, circulation area, development length and extend shape etc., so as to be conducive to reducing coolant first-class
Pressure drop when circulating between journey heat exchanger tube and second procedure heat exchanger tube, at the same also help avoid it is snakelike because increasing in correlation technique
The problems such as circulation area of the flat tube of pipe micro-channel heat exchanger and caused heat exchange area and the coefficient of heat transfer are reduced.
Some embodiments of the invention, the circulation area of each fluid channel of the first pass heat exchanger tube are less than institute
State the circulation area of each fluid channel of second procedure heat exchanger tube.
Specifically, length of the length of the first pass heat exchanger tube more than the second procedure heat exchanger tube.
Some embodiments of the invention, are provided with first pass wing between every two adjacent first straight lengths
Piece, is provided with second procedure fin between every two adjacent second straight lengths.
Specifically, it is described second straight less than per adjacent two per the distance between two adjacent described first straight lengths
The distance between pipeline section.
Some embodiments of the invention, the lateral wall of one of them first straight length and one of them described
The lateral wall of two straight lengths is parallel and contacts and arranges.
Some embodiments of the invention, one of them first straight length of each first pass heat exchanger tube pass through
First Transition bending section is connected with the intermediate collector pipe, one of them second straight length of each second procedure heat exchanger tube
It is connected with the intermediate collector pipe by the second transition bending section, each described First Transition bending section and corresponding second transition
Bending section, corresponding first straight length and corresponding second straight length limit a transition part.
Some embodiments of the invention, are provided with transition fin in each described transition part.
Some embodiments of the invention, the radius of multiple first bend loss are identical, multiple second bend pipes
The radius of section is identical.
Some embodiments of the invention, the first pass heat exchanger tube are multiple and multiple first pass heat exchange
Pipe is arranged along the length direction of the inlet collecting, and the second procedure heat exchanger tube is multiple and multiple second procedure heat exchanger tubes
Length direction along the outlet collection pipe is arranged.
Description of the drawings
Fig. 1 is the schematic diagram of coil heat exchanger according to some embodiments of the invention；
Fig. 2 is the schematic diagram of the coil heat exchanger according to other embodiments of the invention；
Fig. 3 is the schematic diagram of first pass heat exchanger tube according to some embodiments of the invention；
Fig. 4 is the schematic diagram of second procedure heat exchanger tube according to some embodiments of the invention.
Reference：
Coil heat exchanger 100；
Inlet collecting 1；First pass heat exchanger tube 2；First bend loss 21；First pass fin 22；First straight length 23；
Intermediate collector pipe 3；Second procedure heat exchanger tube 4；Second bend loss 41；Second procedure fin 42；Second straight length 43；
Outlet collection pipe 5；First Transition bending section 6；Transition fin 61；Second crosses section bending section 7.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Coil heat exchanger 100 according to embodiments of the present invention, coil heat exchanger 100 are described below with reference to Fig. 1-Fig. 4
Can be used on refrigeration or heating equipment, for example coil heat exchanger 100 is can be used on dryer.
As Figure 1-Figure 2, coil heat exchanger 100 according to embodiments of the present invention, can include：Inlet collecting 1,
Intermediate collector pipe 3, outlet collection pipe 5, at least one first pass heat exchanger tube 2 and at least one second procedure heat exchanger tube 4.Specifically
Ground, coil heat exchanger 100 can be vaporizer, can also be condenser certainly.
Specifically, as Figure 1-Figure 2,5 interval setting of inlet collecting 1 and outlet collection pipe, intermediate collector pipe 3 are located at
Between inlet collecting 1 and outlet collection pipe 5.For example, 5 interval setting of inlet collecting 1 and outlet collection pipe, with entrance collection
On the vertical direction of the length direction of flow tube 1, intermediate collector pipe 3 is located between inlet collecting 1 and outlet collection pipe 5, so as to
Be conducive to more reasonably optimizing the structure of coil heat exchanger 100.
It is understood that first pass heat exchanger tube 2 can be one, it is, of course, also possible to be multiple.When first pass is changed
When heat pipe 2 is multiple, length direction spread configuration of multiple first pass heat exchanger tubes 2 along inlet collecting 1.
The two ends of each first pass heat exchanger tube 2 are connected with inlet collecting 1 and intermediate collector pipe 3 respectively.For example, entrance
Header 1 and intermediate collector pipe 3 are respectively equipped with multiple first openings and the second opening, each first pass in their extension direction
One end of multiple fluid channels of heat exchanger tube 2 is connected with inlet collecting 1 by the first opening, each first pass heat exchanger tube 2
The other end of multiple fluid channels is connected with intermediate collector pipe 3 by the second opening.
As depicted in figs. 1 and 2, each first pass heat exchanger tube 2 includes multiple first straight lengths 23 and the first bend loss 21,
It is connected by first bend loss 24 per two adjacent the first straight lengths 23.For example, as depicted in figs. 1 and 2, first pass
Heat exchanger tube 2 includes multiple first straight lengths 23 and multiple first bend loss 24, first and second the first straight length 23 it is upper
End is connected by the first bend loss 24, and second is connected by the first bend loss 24 with the lower end of the 3rd the first straight length 23,
3rd is connected by the first bend loss 24 with the upper end of the 4th the first straight length 23, the 4th and the 5th the first straight length
23 lower end is connected by the first bend loss 24 ..., by that analogy, so that each first pass heat exchanger tube 2 wriggles prolonging
Stretch.So be conducive to increasing the development length of first pass heat exchanger tube 2, be conducive to increasing coolant in first pass heat exchanger tube 2
Circulation distance, it is ensured that heat exchange area and heat exchange efficiency.
It is understood that second procedure heat exchanger tube can be one, can also be multiple certainly.When second procedure exchanges heat
When pipe 4 is multiple, length direction spread configuration of the multiple second procedure heat exchanger tubes 4 along outlet collection pipe 5.
The two ends of each second procedure heat exchanger tube 4 are connected with intermediate collector pipe 3 and outlet collection pipe 5 respectively.Specifically,
Intermediate collector pipe 3 and outlet collection pipe 5 are respectively equipped with multiple three openings and the 4th opening in their extension direction, and each the
One end of multiple fluid channels of two flow process heat exchanger tubes 4 is connected with intermediate collector pipe 3 by the 3rd opening, and each second procedure exchanges heat
The other end of multiple fluid channels of pipe 4 is connected with outlet collection pipe 5 by the 4th opening.It is understood that inlet collecting
1st, intermediate collector pipe 3 is identical with the axial direction of outlet collection pipe 5.
Each second procedure heat exchanger tube 4 includes multiple second straight lengths 43 and the second bend loss 41, the per adjacent two
Two straight lengths 43 are connected by second bend loss 41.For example, multiple second straight lengths 43 be arranged in parallel, first and second
The upper end of individual second straight length 43 is connected by second bend loss 41, the lower end of second and the 3rd the second straight length 43
It is connected by second bend loss 41, the upper end of the 3rd and the 4th the second straight length 43 passes through second bend loss 41
It is connected, the 4th is connected by second bend loss 41 with the lower end of the 5th the second straight length ..., by that analogy.So as to
So that each second procedure heat exchanger tube 4 wriggles extending.So be conducive to increasing the development length of second procedure heat exchanger tube 4, favorably
In increase circulation distance of the coolant in second procedure heat exchanger tube 4, it is ensured that heat exchange area and heat exchange efficiency.
Specifically, when coil heat exchanger 100 is vaporizer, coolant can flow to first pass from inlet collecting 1
Heat exchanger tube 2, subsequently flows to intermediate collector pipe 3, and after intermediate collector pipe 3, coolant can flow to second procedure heat exchanger tube 4, and from
Outlet collection pipe 5 flows out, and coolant is exchanged heat with the environment of surrounding in 100 interior circulation of coil heat exchanger.When coil is changed
When hot device 100 is condenser, coolant can flow to second procedure heat exchanger tube 4 from outlet collection pipe 5, subsequently flow to intermediate collector pipe 3,
After intermediate collector pipe 3, coolant can flow to first pass heat exchanger tube 2, and flow out from inlet collecting 1.Certainly, the present invention not
It is limited to this, in other embodiments, when coil heat exchanger 100 is condenser, coolant can flow to first from inlet collecting 1
Flow process heat exchanger tube 2, subsequently flows to intermediate collector pipe 3, and after intermediate collector pipe 3, coolant can flow to second procedure heat exchanger tube 4,
And flow out from outlet collection pipe 5, coolant is exchanged heat with the environment of surrounding in 100 interior circulation of coil heat exchanger.When snakelike
When heat exchange of heat pipe 100 is vaporizer, coolant can flow to second procedure heat exchanger tube 4 from outlet collection pipe 5, subsequently flow to intermediate collector
Pipe 3, after intermediate collector pipe 3, coolant can flow to first pass heat exchanger tube 2, and flow out from inlet collecting 1.
Coil heat exchanger 100 according to embodiments of the present invention, by intermediate collector pipe 3 is located at 1 He of inlet collecting
Between outlet collection pipe 5, the structure for more reasonably optimizing coil heat exchanger 100 is conducive to for example to optimize first pass heat exchange
The circulation area of pipe 2 and second procedure heat exchanger tube 4, the shape of cross section, development length and extension shape etc., so as to be conducive to
Reduce pressure drop when coolant circulates between first pass heat exchanger tube 2 and second procedure heat exchanger tube 4, while also help avoiding phase
In the technology of pass, because of the circulation area of the flat tube of increase coil micro-channel heat exchanger, caused heat exchange area and the coefficient of heat transfer drop
Low problem.
In some embodiments of the invention, as shown in Figure 3 and Figure 4, the stream of each fluid channel of first pass heat exchanger tube 2
Circulation area of the logical area less than each fluid channel of second procedure heat exchanger tube 4.For example, first pass heat exchanger tube 2 and second
Journey heat exchanger tube 4 is respectively flat tube, has multiple fluid channels in first pass heat exchanger tube 2, has multiple in second procedure heat exchanger tube 4
Fluid channel, the thickness of first pass heat exchanger tube 2 is 2.0mm, and the thickness of second procedure heat exchanger tube 4 is 3.0mm.Specifically, lead to
Cross using coolant coil heat exchanger 100 phase-state change can reasonable Arrangement coil heat exchanger 100 heat exchanger tube circulation
Area, when coil heat exchanger 100 be vaporizer when, from inlet collecting 1 flow into coil heat exchanger 100 coolant density compared with
Height, small volume, the circulation area of above-mentioned first pass heat exchanger tube 2 can ensure coolant flow resistance in OK range, and coolant is the
One flow process heat exchanger tube 2 is exchanged heat with surrounding during circulating, and is constantly formed as gaseous coolant, and volume is significantly increased, and is led to
The circulation area for causing the circulation area of second procedure heat exchanger tube 4 more than or equal to first pass heat exchanger tube 2 is crossed, is advantageously reduced cold
Circulation flow resistance of the matchmaker in second procedure heat exchanger tube 4, so as to reduce coolant in first pass heat exchanger tube 2 and second procedure heat exchanger tube
Pressure drop when circulating between 4.When coil heat exchanger 100 is condenser, coil heat exchanger is flowed into from outlet collection pipe 5
100 coolant density is less, and volume is big, and the circulation area of second procedure heat exchanger tube 4 can ensure coolant flow resistance in suitable scope
Interior, coolant is exchanged heat with surrounding during the circulation of second procedure heat exchanger tube 4, is constantly formed as liquid refrigerants, volume
It is obviously reduced, by causing the circulation area of first pass heat exchanger tube 2 less than the circulation area of second procedure heat exchanger tube 4, favorably
Pressure drop when reduction coolant circulates between first pass heat exchanger tube 2 and second procedure heat exchanger tube 4.
Specifically, length of the length of first pass heat exchanger tube 2 more than second procedure heat exchanger tube 4.Thus, be conducive to improving
Heat exchange area and heat exchange efficiency of the coolant in the first pass heat exchanger tube 2 during circulation, while being conducive to further reducing coolant existing
Pressure drop when circulating between first pass heat exchanger tube 2 and second procedure heat exchanger tube 4.
In some embodiments of the invention, as depicted in figs. 1 and 2, set between every two adjacent the first straight lengths 23
There is first pass fin 22, between every two adjacent the second straight lengths 43, be provided with second procedure fin 42.So as to be conducive to carrying
The heat exchange efficiency of high coil heat exchanger 100.Preferably, first pass fin 22 and second procedure fin 42 are aluminum fin-stock.
Specifically, as depicted in figs. 1 and 2, the distance between every two adjacent first straight lengths 23 are less than per adjacent
The distance between two second straight lengths 43, this can make the height of first pass fin 22 less than the height of second procedure fin 42
Degree.For example, the height of first pass fin 22 is 8.1mm, and the height of second procedure fin 42 is 11.4mm.Thus, be conducive to
The structure of optimization first pass fin 22 and second procedure fin 42, fin accounting are little, and windage is little, when coil heat exchanger 100
For vaporizer when, on the flow direction of coolant, wind can be made more to flow to second procedure heat exchanger tube 4, make up second procedure
Pipe heat exchange area shortcoming less than normal, it is ensured that second procedure heat exchanger tube 4 has enough heat exchange amounts.Simultaneously as first pass heat exchange
Circulation area of the circulation area of each microchannel of pipe 2 less than each microchannel of second procedure heat exchanger tube 4, that is to say, that
The aperture of second procedure heat exchanger tube 4 is larger, therefore the profile thickness size of second procedure heat exchanger tube 4 is accordingly larger, and wall thickness is relatively thin,
Second procedure heat exchanger tube 4 is easily damaged in Forging Process, by causing per two adjacent the first straight lengths 23 between away from
From less than the distance between every two adjacent second straight lengths 43, the radius bend of second procedure heat exchanger tube 4 can be increased, be dropped
The risk of the breakage of second procedure heat exchanger tube 4 during low bending.
In some embodiments of the invention, as shown in figure 1, the lateral wall of one of them the first straight length 23 and wherein
The lateral wall of individual second straight length 43 is parallel and contacts and arranges.Thus, simple structure, it is reliable.Specifically, when one of them first
The lateral wall of straight length 23 is parallel with the lateral wall of one of them the second straight length 43 and when contacting setting, each first pass is changed
Heat pipe 2 is connected with intermediate collector pipe 3 by first straight length 23, and each second procedure heat exchanger tube 4 passes through second straight length
43 are connected with intermediate collector pipe 3.
Certainly, the invention is not restricted to this, in further embodiments, as shown in Fig. 2 each first pass heat exchanger tube 2
One of them first straight length 23 is connected with intermediate collector pipe 3 by First Transition bending section 6, each second procedure heat exchanger tube 4
One of them second straight length 43 be connected with intermediate collector pipe 3 by the second transition bending section 7, each First Transition bending section
6 limit one excessively with corresponding second transition bending section 7, corresponding first straight length 23 and corresponding second straight length 43
Portion, thus simple structure, and be conducive to improving the outward appearance of coil heat exchanger 100.Preferably, as shown in Fig. 2 each transition
Transition fin 61 is provided with portion, so as to be conducive to improving the heat exchange efficiency of coil heat exchanger 100.
In some embodiments of the invention, the radius of multiple first bend loss 21 is identical, multiple second bend loss 41
Radius is identical.Thus, it is simple and reliable for structure, and be conducive to optimizing the outward appearance of coil heat exchanger 100.
The concrete structure of two coil heat exchangers 100 of the present invention is described in detail below with reference to Fig. 1-Fig. 2.
Embodiment 1
As shown in figure 1, the coil heat exchanger 100 of the present embodiment, including：Inlet collecting 1, intermediate collector pipe 3, outlet
Header 5, multiple first pass heat exchanger tubes 2 and multiple second procedure heat exchanger tubes 4.Specifically, as shown in figure 1, inlet collecting 1
With 5 interval setting of outlet collection pipe, intermediate collector pipe 3 is located between inlet collecting 1 and outlet collection pipe 5, so as to be conducive to
More reasonably optimize the structure of coil heat exchanger 100.
Specifically, as shown in figure 1,5 interval setting of inlet collecting 1 and outlet collection pipe, in the length with inlet collecting 1
On the vertical direction in degree direction, intermediate collector pipe 3 is located between inlet collecting 1 and outlet collection pipe 5.
The two ends of each first pass heat exchanger tube 2 are connected with inlet collecting 1 and intermediate collector pipe 3 respectively.Such as Fig. 1 institutes
Show, each first pass heat exchanger tube 2 includes multiple first straight lengths 23 and the first bend loss 21, per two adjacent the first straight tubes
Section 23 is connected by first bend loss 21.So that each first pass heat exchanger tube 2 wriggles extending.So be conducive to increasing
The development length of big first pass heat exchanger tube 2, is conducive to increasing circulation distance of the coolant in first pass heat exchanger tube 2, it is ensured that
Heat exchange area and heat exchange efficiency.
The two ends of each second procedure heat exchanger tube 4 are connected with intermediate collector pipe 3 and outlet collection pipe 5 respectively.Each second
Flow process heat exchanger tube 4 includes multiple second straight lengths 43 and the second bend loss 41, passes through one per two adjacent the second straight lengths 43
Individual second bend loss 43 is connected, so that each second procedure heat exchanger tube 4 wriggles extending.So be conducive to increasing second procedure
The development length of heat exchanger tube 4, be conducive to increase circulation distance of the coolant in second procedure heat exchanger tube 4, it is ensured that heat exchange area and
Heat exchange efficiency.
As shown in Figure 3 and Figure 4, the circulation area of each fluid channel of first pass heat exchanger tube 2 exchanges heat less than second procedure
The circulation area of each fluid channel of pipe 4.Specifically, length of the length of first pass heat exchanger tube 2 more than second procedure heat exchanger tube 4
Degree.Thus, be conducive to improving heat exchange area and heat exchange efficiency of the coolant in the 2 interior circulation of first pass heat exchanger tube, while favorably
Pressure drop when further reduction coolant circulates between first pass heat exchanger tube 2 and second procedure heat exchanger tube 4.
As shown in figure 1, first pass fin 22 is provided between per two adjacent the first straight lengths 23, per adjacent two
Second procedure fin 42 is provided between second straight length 43.So as to be conducive to improving the heat exchange efficiency of coil heat exchanger 100.
Specifically, as shown in figure 1, per the distance between two adjacent first straight lengths 23 less than per adjacent two the
The distance between two straight lengths 43, this can make the height of first pass fin 22 less than the height of second procedure fin 42.
As shown in figure 1, the lateral wall of the lateral wall of one of them the first straight length 23 and one of them the second straight length 43
Parallel and contact and arrange, each first pass heat exchanger tube 2 is connected with intermediate collector pipe 3 by first straight length 23, and each the
Two flow process heat exchanger tubes 4 are connected with intermediate collector pipe 3 by second straight length 43.
The radius of multiple first bend loss 21 is identical, and the radius of multiple second bend loss 41 is identical.Thus, simple structure can
Lean on, and be conducive to optimizing the outward appearance of coil heat exchanger 100.
Embodiment 2
As shown in Fig. 2 the coil heat exchanger 100 of the present embodiment, including：Inlet collecting 1, intermediate collector pipe 3, outlet
Header 5, multiple first pass heat exchanger tubes 2 and multiple second procedure heat exchanger tubes 4.Specifically, as shown in figure 1, inlet collecting 1
With 5 interval setting of outlet collection pipe, intermediate collector pipe 3 is located between inlet collecting 1 and outlet collection pipe 5, so as to be conducive to
More reasonably optimize the structure of coil heat exchanger 100.
Specifically, as shown in Fig. 25 interval setting of inlet collecting 1 and outlet collection pipe, in the length with inlet collecting 1
On the vertical direction in degree direction, intermediate collector pipe 3 is located between inlet collecting 1 and outlet collection pipe 5.
The two ends of each first pass heat exchanger tube 2 are connected with inlet collecting 1 and intermediate collector pipe 3 respectively.Such as Fig. 1 institutes
Show, each first pass heat exchanger tube 2 includes multiple first straight lengths 23 and the first bend loss 21, per two adjacent the first straight tubes
Section 23 is connected by first bend loss 21.So that each first pass heat exchanger tube 2 wriggles extending.So be conducive to increasing
The development length of big first pass heat exchanger tube 2, is conducive to increasing circulation distance of the coolant in first pass heat exchanger tube 2, it is ensured that
Heat exchange area and heat exchange efficiency.
The two ends of each second procedure heat exchanger tube 4 are connected with intermediate collector pipe 3 and outlet collection pipe 5 respectively.Each second
Flow process heat exchanger tube 4 includes multiple second straight lengths 43 and the second bend loss 41, passes through one per two adjacent the second straight lengths 43
Individual second bend loss 43 is connected, so that each second procedure heat exchanger tube 4 wriggles extending.So be conducive to increasing second procedure
The development length of heat exchanger tube 4, be conducive to increase circulation distance of the coolant in second procedure heat exchanger tube 4, it is ensured that heat exchange area and
Heat exchange efficiency.
As shown in Figure 3 and Figure 4, the circulation area of each fluid channel of first pass heat exchanger tube 2 exchanges heat less than second procedure
The circulation area of each fluid channel of pipe 4.Specifically, length of the length of first pass heat exchanger tube 2 more than second procedure heat exchanger tube 4
Degree.Thus, be conducive to improving heat exchange area and heat exchange efficiency of the coolant in the 2 interior circulation of first pass heat exchanger tube, while favorably
Pressure drop when further reduction coolant circulates between first pass heat exchanger tube 2 and second procedure heat exchanger tube 4.
As shown in Fig. 2 first pass fin 22 is provided between per two adjacent the first straight lengths 23, per adjacent two
Second procedure fin 42 is provided between second straight length 43.So as to be conducive to improving the heat exchange efficiency of coil heat exchanger 100.
Specifically, as Fig. 2 shows, the distance between every two adjacent first straight lengths 23 are less than per adjacent two second
The distance between straight length 43, this can make the height of first pass fin 22 less than the height of second procedure fin 42.
The radius of multiple first bend loss 21 is identical, and the radius of multiple second bend loss 41 is identical.Thus, simple structure can
Lean on, and be conducive to optimizing the outward appearance of coil heat exchanger 100.
As shown in Fig. 2 one of them first straight length 23 of each first pass heat exchanger tube 2 passes through First Transition bending section
6 are connected with intermediate collector pipe 3, and one of them second straight length 43 of each second procedure heat exchanger tube 4 is bent by the second transition
Section 7 is connected with intermediate collector pipe 3, and each First Transition bending section 6 is straight with corresponding second transition bending section 7, corresponding first
Pipeline section 23 and corresponding second straight length 43 limit an excessive portion, thus simple structure, and are conducive to improving coil
The outward appearance of heat exchanger 100.Preferably, as shown in Fig. 2 transition fin 61 is provided with each transition part, so as to be conducive to improving Serpentiss
The heat exchange efficiency of shape heat exchange of heat pipe 100.
In describing the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " thickness ",
" on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " axial direction ", " circumference "
Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and
Simplify description, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific azimuth configuration
And operation, therefore be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments or example described in this specification and different embodiments or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of coil heat exchanger, it is characterised in that include：
Inlet collecting and outlet collection pipe, the inlet collecting and the outlet collection pipe interval setting；
Intermediate collector pipe, on the direction vertical with the length direction of the inlet collecting, the intermediate collector pipe is located at institute
State between inlet collecting and the outlet collection pipe；
At least one first pass heat exchanger tube, each described first pass heat exchanger tube include multiple first straight lengths and the first bend pipe
Section, is connected by first bend loss per two adjacent first straight lengths, each described first pass heat exchange
The two ends of pipe are connected with the inlet collecting and the intermediate collector pipe respectively；
At least one second procedure heat exchanger tube, each described second procedure heat exchange include multiple second straight lengths and the second bend pipe
Section, is connected by second bend loss per two adjacent second straight lengths, each described second procedure heat exchange
The two ends of pipe are connected with the intermediate collector pipe and the outlet collection pipe respectively.
2. coil heat exchanger according to claim 1, it is characterised in that each miniflow of the first pass heat exchanger tube
Circulation area of the circulation area in road less than each fluid channel of the second procedure heat exchanger tube.
3. coil heat exchanger according to claim 2, it is characterised in that the length of the first pass heat exchanger tube is more than
The length of the second procedure heat exchanger tube.
4. the coil heat exchanger according to any one of claim 1-3, it is characterised in that described the per adjacent two
First pass fin is provided between one straight length, between every two adjacent second straight lengths, second procedure fin is provided with.
5. coil heat exchanger according to claim 4, it is characterised in that per two adjacent first straight lengths it
Between distance less than the distance between per two adjacent described second straight lengths.
6. coil heat exchanger according to claim 1, it is characterised in that the outside of one of them first straight length
Wall is parallel with the lateral wall of the second straight length one of them described and contacts setting.
7. coil heat exchanger according to claim 1, it is characterised in that each described first pass heat exchanger tube is wherein
One the first straight length is connected with the intermediate collector pipe by First Transition bending section, each second procedure heat exchanger tube
One of them second straight length is connected with the intermediate collector pipe by the second transition bending section, each described First Transition bending
Section limits a transition part with corresponding second transition bending section, corresponding first straight length and corresponding second straight length.
8. coil heat exchanger according to claim 7, it is characterised in that be provided with transition wing in each described transition part
Piece.
9. coil heat exchanger according to claim 1, it is characterised in that the radius phase of multiple first bend loss
Together, the radius of multiple second bend loss is identical.
10. the coil heat exchanger according to any one of claim 1-9, it is characterised in that the first pass heat exchange
Manage the length direction for multiple and multiple first pass heat exchanger tubes along the inlet collecting to arrange, the second procedure is changed
Heat pipe is that multiple and multiple second procedure heat exchanger tubes are arranged along the length direction of the outlet collection pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971865.1A CN106546112A (en) | 2016-11-04 | 2016-11-04 | Coil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971865.1A CN106546112A (en) | 2016-11-04 | 2016-11-04 | Coil heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106546112A true CN106546112A (en) | 2017-03-29 |
Family
ID=58395513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610971865.1A Pending CN106546112A (en) | 2016-11-04 | 2016-11-04 | Coil heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106546112A (en) |
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| CN108613436A (en) * | 2018-04-28 | 2018-10-02 | 青岛海尔空调器有限总公司 | A kind of heat exchanger and air conditioner |
| CN108981424A (en) * | 2017-06-02 | 2018-12-11 | 美的集团股份有限公司 | Heat exchanger and water heater |
| CN114094239A (en) * | 2021-10-15 | 2022-02-25 | 安徽新富新能源科技有限公司 | Universal serpentine cooling pipe |
| CN114518042A (en) * | 2020-11-19 | 2022-05-20 | 杭州三花微通道换热器有限公司 | Heat exchanger and refrigeration air conditioning system with same |
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Application publication date: 20170329 |