CN205784016U - A kind of pipe-coil type evaporator - Google Patents
A kind of pipe-coil type evaporator Download PDFInfo
- Publication number
- CN205784016U CN205784016U CN201620468388.2U CN201620468388U CN205784016U CN 205784016 U CN205784016 U CN 205784016U CN 201620468388 U CN201620468388 U CN 201620468388U CN 205784016 U CN205784016 U CN 205784016U
- Authority
- CN
- China
- Prior art keywords
- radiating fin
- pipe
- fin group
- end plate
- right end
- 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
Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 28
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of pipe-coil type evaporator, including left and right end plate, radiating fin group and pipeline.Radiating fin group is in line with the spacing set by multiple radiating fins, each radiating fin offers several major axis side by side with the spacing set and bores a hole as horizontal direction ellipse；The structure of left and right end plate is identical and is symmetricly set on the left and right end of radiating fin group；Pipeline includes some middle long tubes, some return bends, air inlet pipeline and separatory pipeline；In the middle of many, long tube is located in the perforation of radiating fin group correspondingly, in the middle of every, long tube is that cross section in the oval aluminum pipe adaptive with the perforation in radiating fin group and closely cooperates with the perforation in radiating fin group, major axis dimension is minor axis dimension two times of middle long tube.Pipe-coil type evaporator of the present utility model, can not only be substantially reduced its heat exchange wind resistance, and slow down coolant media Negotiation speed in pipeline, moreover it is possible to significantly alleviate the weight of itself in the case of refrigerating capacity is constant.
Description
Technical Field
The utility model relates to a coil evaporator.
Background
The coil type evaporator adopts various systems of the evaporator in a coil form, the evaporators in various shapes can be arranged in a limited space, the maximized heat exchange area is discharged in a minimum space, the evaporator is mainly applied to cooling of liquid such as an oil tank, a water tank and the like, the heat exchange area of a single system can be more than 14 squares due to the spiral shape, the heat transfer coefficient can reach K more than or equal to 3000W/square meter, and meanwhile, the pipe can freely float and expand and contract due to the continuous scouring action of an evaporating fluid, so that scaling is not easy to occur. However, the existing coil is made of copper pipes, so that the cost is high, the coil is aged and hardened after long-term use, and the manufactured evaporator is heavy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect and provide a coil evaporator, it not only can its heat transfer windage of greatly reduced to slow down the speed of passing through of refrigerant medium in the pipeline, can also alleviate the weight of itself greatly under the unchangeable circumstances of refrigerating capacity.
The purpose of the utility model is realized like this: a coiled evaporator comprises a left end plate, a right end plate, a radiating fin group arranged between the left end plate and the right end plate and a pipeline which is arranged in the radiating fin group in a penetrating way and provides refrigerant flow, wherein,
the radiating fin group is formed by arranging a plurality of radiating fins in a row at a set interval, and a plurality of oval through holes with long axes in the horizontal direction are formed in each radiating fin in parallel at the set interval;
the left end plate and the right end plate have the same structure and are symmetrically arranged at the left end and the right end of the radiating fin group, and the left end plate and the right end plate are respectively provided with an oval through hole corresponding to the oval through hole in the radiating fin group;
the pipeline comprises a plurality of middle long pipes, a plurality of U-shaped elbows, an air inlet pipeline and a liquid distributing pipeline; wherein,
a plurality of middle long pipes are correspondingly arranged in the through holes of the radiating fin group in a penetrating way, the left end port and the right end port correspondingly penetrate through the through holes of the left end plate and the right end plate in a penetrating way, and each middle long pipe is an oval aluminum pipe with the cross section matched with the through hole on the radiating fin group and is tightly matched with the through hole on the radiating fin group; the long axis of the middle long tube is twice of the short axis;
the U-shaped elbows are connected between the left ports of the two adjacent middle long pipes, and between the right port of the middle long pipe needing to be connected with the air inlet pipe and the right ports of the other two adjacent middle long pipes except the right port of the middle long pipe needing to be connected with the liquid distribution pipe;
the air inlet pipeline comprises a main air inlet pipe and a plurality of air distribution pipes vertically connected to the main air inlet pipe, and the air distribution pipes are connected with the right ports of the plurality of middle long pipes;
the liquid separating pipeline comprises a main liquid separating pipe, a liquid separating head arranged at the upper end of the main liquid separating pipe and a plurality of liquid separating capillaries connected to the liquid separating head, and the liquid separating capillaries are connected with the right end openings of a plurality of middle long pipes.
In the coil evaporator, the long middle pipe is internally provided with the turbulent flow structure.
In the coil evaporator, the U-shaped elbow and the air inlet pipeline are both made of aluminum pipes; the cross sections of the U-shaped elbow and the air inlet pipeline are both circular and are in smooth transition with the middle long pipe.
In the above coil evaporator, the heat dissipation fins are made of hydrophilic aluminum foil.
The utility model discloses a coil evaporator changes the copper pipe that provides the pipeline that the refrigerant flows commonly used of prior art into the aluminum pipe to change the circular duct into oval-shaped pipe or approximate oval-shaped pipe, not only can its heat transfer windage of greatly reduced, and slow down the speed of passing through of refrigerant medium in the pipeline, thereby effectively improved its heat transfer effect and heat transfer efficiency, can also alleviate the weight of itself greatly and the cost is low under the unchangeable condition of refrigerating capacity.
Drawings
FIG. 1 is a front view of a coil evaporator of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a top view of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 3, the coil evaporator of the present invention includes a left end plate 1, a right end plate 2, a heat dissipation fin set 3 disposed between the left end plate 1 and the right end plate 2, and a pipe penetrating the heat dissipation fin set 3 and providing a refrigerant flow.
The radiating fin group 3 is formed by arranging a plurality of radiating fins in a row at intervals of 1.4mm, each radiating fin is made of hydrophilic aluminum foil and is of a shutter type structure, and forty-two oval through holes with long axes in the horizontal direction are arranged on each radiating fin in parallel at intervals of 17.8 mm;
the left end plate 1 and the right end plate 2 have the same structure and are symmetrically arranged at the left end and the right end of the radiating fin group 3, and the left end plate 1 and the right end plate 2 are respectively provided with an oval through hole corresponding to the oval through hole in the radiating fin group 3;
the pipeline comprises forty-two middle long pipes 40, thirty-eight U-shaped elbows 41, an air inlet pipeline 5 and a liquid separation pipeline 6; wherein,
forty-two middle long tubes 40 are correspondingly arranged in the through holes of the radiating fin group 3 in a penetrating way, the left end port and the right end port correspondingly penetrate through the through holes of the left end plate 1 and the right end plate 2 in a penetrating way, and each middle long tube 40 is an oval aluminum tube with the cross section matched with the through holes on the radiating fin group and the wall thickness of 0.3mm and is tightly matched with the through holes on the radiating fin group 3; the long axis of the middle long tube 40 is twice as large as the short axis;
twenty-one of thirty-eight U-shaped bends 41 is connected between the left ports of two adjacent middle long tubes 40, and the other seventeen are connected between the right ports of the middle long tubes 40 at positions of 2-3, 4-5, 6-7, 8-9, 12-13, 14-15, 16-17, 18-19, 22-23, 24-25, 26-27, 28-29, 32-33, 34-35, 36-37, 38-39 and 40-41; the U-shaped elbow 41 is made of an aluminum pipe, the cross section of the U-shaped elbow 41 is circular and is in smooth transition with the middle long pipe 40;
the air inlet pipeline 5 comprises a main air inlet pipe 50 and four air distribution pipes 51 vertically connected to the main air inlet pipe 50, wherein the four air distribution pipes 51 are connected with the right end openings of the middle long pipes 40 with the positions of 1, 11, 21 and 31 in a one-to-one correspondence manner; the air inlet pipeline 5 is made of aluminum pipes, and the cross section of the air inlet pipeline 5 is circular and is in smooth transition with the middle long pipe 40;
the liquid separating pipeline 6 comprises a main liquid separating pipe 60, a liquid separating head 61 arranged at the upper end of the main liquid separating pipe 60 and four liquid separating capillary tubes 62 connected to the liquid separating head 61, wherein the four liquid separating capillary tubes 62 are connected with the right end openings of the middle long pipes 40 with the positions of 10, 20, 30 and 42 in a one-to-one correspondence mode.
In order to disturb the fluid refrigerant in the pipeline, slow down the flowing speed of the refrigerant in the pipeline and be beneficial to improving the heat exchange effect, a disturbing flow structure is arranged in each middle long pipe 40 and is a disturbing flow sheet or an internal thread.
It should be noted that the pipeline of the present invention can also be made of twenty-one U-shaped long pipes and seventeen U-shaped bends to form a serpentine coil and is connected to an air inlet pipeline 5 and a liquid distribution pipeline 6.
Adopt the utility model discloses a behind the coil evaporator, when the air blows along the major axis direction of oval-shaped middle long tube, the wake vortex loss of formation is little, and the area increase of the peripheral in close contact with of the air that flows and oval-shaped middle long tube makes the thermal convection resistance of air side reduce. The contact area is increased when the coolant flows through the inner surface in the oval middle long pipe, and the disturbance is strengthened. Therefore, the efficiency of the radiating fins is improved, and the effective area of heat transfer is increased. Under the same heat/cold load, the heat transfer temperature difference is reduced, so that the condensation/evaporation temperature and the exhaust/suction pressure are reduced/raised, the compression ratio is reduced, the load of the compressor is lightened, the total input power is reduced, the size of the compressor can be reduced by one gear under the condition of the same refrigeration/heating quantity, the whole size of the evaporator can be properly reduced, the filling amount of refrigerant agent can be reduced, and the aerodynamic noise is reduced due to the reduction of wake vortex. In addition, the pipeline adopts the aluminum pipe, so that the weight of the evaporator can be greatly reduced under the condition of unchanging refrigeration capacity, and the manufacturing cost is low.
The above embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (4)
1. A coiled evaporator comprises a left end plate, a right end plate, a radiating fin group arranged between the left end plate and the right end plate and a pipeline which is arranged in the radiating fin group in a penetrating way and provides refrigerant flow, and is characterized in that,
the radiating fin group is formed by arranging a plurality of radiating fins in a row at a set interval, and a plurality of oval through holes with long axes in the horizontal direction are formed in each radiating fin in parallel at the set interval;
the left end plate and the right end plate have the same structure and are symmetrically arranged at the left end and the right end of the radiating fin group, and the left end plate and the right end plate are respectively provided with an oval through hole corresponding to the oval through hole in the radiating fin group;
the pipeline comprises a plurality of middle long pipes, a plurality of U-shaped elbows, an air inlet pipeline and a liquid distributing pipeline; wherein,
a plurality of middle long pipes are correspondingly arranged in the through holes of the radiating fin group in a penetrating way, the left end port and the right end port correspondingly penetrate through the through holes of the left end plate and the right end plate in a penetrating way, and each middle long pipe is an oval aluminum pipe with the cross section matched with the through hole on the radiating fin group and is tightly matched with the through hole on the radiating fin group; the long axis of the middle long tube is twice of the short axis;
the U-shaped elbows are connected between the left ports of the two adjacent middle long pipes, and between the right port of the middle long pipe needing to be connected with the air inlet pipe and the right ports of the other two adjacent middle long pipes except the right port of the middle long pipe needing to be connected with the liquid distribution pipe;
the air inlet pipeline comprises a main air inlet pipe and a plurality of air distribution pipes vertically connected to the main air inlet pipe, and the air distribution pipes are connected with the right ports of the plurality of middle long pipes;
the liquid separating pipeline comprises a main liquid separating pipe, a liquid separating head arranged at the upper end of the main liquid separating pipe and a plurality of liquid separating capillaries connected to the liquid separating head, and the liquid separating capillaries are connected with the right end openings of a plurality of middle long pipes.
2. The coil evaporator as set forth in claim 1 wherein a flow perturbation structure is provided in said elongated intermediate tube.
3. The coil evaporator as set forth in claim 1 wherein said U-bend and said inlet pipe are each formed of aluminum tubing, said U-bend and said inlet pipe being circular in cross-section and having a smooth transition with said elongated central tube.
4. The coil evaporator as set forth in claim 1, wherein said heat dissipating fins are made of a hydrophilic aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468388.2U CN205784016U (en) | 2016-05-19 | 2016-05-19 | A kind of pipe-coil type evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620468388.2U CN205784016U (en) | 2016-05-19 | 2016-05-19 | A kind of pipe-coil type evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205784016U true CN205784016U (en) | 2016-12-07 |
Family
ID=58116766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620468388.2U Expired - Fee Related CN205784016U (en) | 2016-05-19 | 2016-05-19 | A kind of pipe-coil type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205784016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
-
2016
- 2016-05-19 CN CN201620468388.2U patent/CN205784016U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20180519 |