CN109807257A - Evaporation tube, and preparation method thereof, using its evaporator and refrigerator - Google Patents
Evaporation tube, and preparation method thereof, using its evaporator and refrigerator Download PDFInfo
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- CN109807257A CN109807257A CN201910114830.XA CN201910114830A CN109807257A CN 109807257 A CN109807257 A CN 109807257A CN 201910114830 A CN201910114830 A CN 201910114830A CN 109807257 A CN109807257 A CN 109807257A
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Abstract
The present invention relates to evaporation tube production field, in particular to evaporation tube, and preparation method thereof, using its evaporator and refrigerator.Evaporation tube is compressed to class elliptical tube using small diameter tube round tube, and to improve circulation heat dissipation capacity, small diameter tube is different from microchannel, and conventional to understand, the caliber size of small diameter tube is greater than the passage aisle size of microchannel, is avoided that crushing and blocking.Moreover, interference connects fin on evaporation coil, heat dissipation is further increased.Groove is arranged in the outer surface of evaporation coil, can achieve the purpose that flow-disturbing, while increasing heat dissipation area, further increase heat dissipation effect.
Description
Technical field
The present invention relates to evaporation tube production field, more particularly to evaporation tube, and preparation method thereof, using its evaporator
And refrigerator.
Background technique
Existing side by side combination refrigerator structure is as shown in Figure 1, including ducting assembly 01,02 component of evaporator and air duct lid
Plate 03, evaporator assemblies, ducting assembly are placed on cabinet rear portion, and are separated by air duct cover board and cabinet.Freezing chamber outlet air and
Return air is arranged on rear side of cabinet, and refrigerating chamber air outlet and return air inlet are arranged at the part of side rearward, refrigerating chamber outlet air
Mouth setting air door.But, this existing side by side combination refrigerator single row or multiple rows round tube evaporator volume is all very big；The thickness of evaporator
(general 50~60mm) greatly, can not be assembled to middle partition board in refrigerator, while occupy the limited internal volume of refrigerator；Evaporator uses material
It is more, do not save material.A kind of frost-free refrigerator micro-channel evaporator of patent CN201520605426.X.The utility model discloses one kind
Frost-free refrigerator micro-channel evaporator, including inlet tube, outlet, mounting bracket and heat exchange core body, heat exchange core body have multilayer, often
Layer heat exchange core body includes U-shaped micro-channel flat, side plate is respectively equipped on the outside of micro-channel flat, the inside of micro-channel flat is equipped with
Stiffening plate, is clamped with radiating fin between side plate and micro-channel flat lateral surface, the medial surface of stiffening plate and micro-channel flat it
Between be equipped with radiating fin.The frost-free refrigerator micro-channel evaporator is compact-sized, is easily installed, and heat exchange efficiency is high.But it should
Patent uses micro-channel evaporator, is easy to happen white crushing and blocking.
Summary of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of production method of evaporation coil and making apparatus, solve at least one above-mentioned
Problem.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of production methods of evaporation tube comprising: surface is had
The evaporation coil of multiple grooves push away swollen, interference socket fin；The evaporation coil includes the coil pipe of class elliptical tube coiling, institute
It states class elliptical tube to be suppressed by small diameter tube round tube, the groove is distributed on the class elliptical tube by predetermined manner.
In some embodiments, preferably, described that surface push away rising with the evaporation coil of multiple grooves, interference set
Before connecing fin, the production method further include: production has the evaporation coil of multiple grooves.
In some embodiments, preferably, the evaporation coil of the production with multiple grooves includes: to small diameter tube round tube
A surface or two surfaces for first coil pipe of coiling processes multiple grooves；Using flexural pivot mold to reeded described
The compacting of first coil pipe, the small diameter tube round tube are compressed to class elliptical tube.
In some embodiments, preferably, the evaporation coil of the production with multiple grooves includes: to utilize flexural pivot mold
The first coil pipe compacting to the coiling of small diameter tube round tube, the small diameter tube round tube are compressed to class elliptical tube；To pressed described
A surface or two surfaces for first coil pipe processes multiple grooves.
In some embodiments, preferably, be pressed and with reeded first coil pipe after, the production band
There is the evaporation coil of multiple grooves further include: smooth processing obtains the evaporation coil.
In some embodiments, preferably, the predetermined manner includes: matrix form arrangement or emanant arrangement.
In some embodiments, preferably, the position that the evaporation coil is socketed the fin is not provided with the groove.
The present invention also provides a kind of evaporation tubes made by the production method comprising evaporation coil and more than one
Fin；Evaporation coil includes the coil pipe of class elliptical tube coiling, and the class elliptical tube is suppressed by small diameter tube round tube, and the groove exists
It is distributed on the class elliptical tube by predetermined manner；The fin interference is socketed on the evaporation coil.
The present invention also provides a kind of evaporator, the evaporation tubes of one layer of setting or more, when the evaporation tube is more
When layer, evaporation tube parallel arranged described in multilayer.
The present invention also provides a kind of refrigerators comprising cabinet and the evaporator, the evaporator are set to described
In the insulating layer of cabinet medial compartment or the evaporator is set in the partition in the cabinet between two compartments.
(3) beneficial effect
Evaporation tube is compressed to class elliptical tube, small diameter tube Guan Nengti using small diameter tube round tube in technical solution provided by the invention
Height circulation heat dissipation capacity, small diameter tube is different from microchannel, conventional to understand, the caliber size of small diameter tube is greater than the passage aisle ruler of microchannel
It is very little, it is avoided that white crushing and blocking.Moreover, interference connects fin on evaporation coil, heat dissipation is further increased.Outside evaporation coil
Groove is arranged in surface, can achieve the purpose that flow-disturbing, while increasing heat dissipation area, further increase heat dissipation effect.
Detailed description of the invention
Fig. 1 is the explosive view of existing enabling refrigerator；
Fig. 2 a is evaporation structure figure in one embodiment of the invention；
Fig. 2 b is the right view of Fig. 1 evaporator；
Fig. 3 a is structural schematic diagram of the evaporation coil in conjunction with fin in one embodiment of the invention；
Fig. 3 b is partial structural diagram of the evaporation coil in conjunction with fin in one embodiment of the invention；
Fig. 3 c is the schematic diagram in A-A direction of Fig. 3 b；
Fig. 4 is the structural representation of the flexural pivot mold of pre-stamped middle use in evaporation coil production in one embodiment of the invention
Figure；
Fig. 5 is the main view of flexural pivot mold in Fig. 4；
Fig. 6 is the top view of the lower module of flexural pivot mold in Fig. 5 A-A；
Fig. 7 is the top view of the top mold holder of flexural pivot mold in Fig. 4；
Fig. 8 is the cross-sectional view in the face N-N in Fig. 7；
The sectional view of the finishing flexural pivot mold used in finishing in evaporation coil production in Fig. 9 one embodiment of the invention；
Figure 10 is the enlarged drawing in the circle of Fig. 9；
Figure 11 is the perspective view of evaporation coil in one embodiment of the invention；
Figure 12 is the partial, detailed view of evaporation coil in Figure 11；
Figure 13 is the structure chart in the direction Figure 12 A-A.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Following instance
For illustrating the present invention, but it is not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements." first " " second " " third " " the 4th " does not represent any sequence relation, merely for convenience
The differentiation carried out is described.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.At the time of " current " is when executing certain movement, occur multiple current in text, is real in passage at any time
Shi Jilu.
Since current evaporator volume is larger, the problem of influencing refrigerator volume, the present invention provides evaporation tube, evaporation tube production
Method, the evaporator using evaporation tube, and the refrigerator using the evaporator.
Base will be designed by plinth below, product, method etc. is described in detail in extension design and alternative design.
A kind of production method of evaporation tube, as shown in figs 3 a-3 c, step include: that the steaming of multiple grooves is had to surface
Quotation pipe 12 push away rising, and interference is socketed fin 11；Evaporation coil 12 includes the coil pipe of class elliptical tube coiling, and class elliptical tube is by small
The compacting of caliber round tube, groove are distributed on class elliptical tube by predetermined manner.
As shown in figs 3 a-3 c, evaporation tube is compressed to class elliptical tube using small diameter tube round tube, and small diameter tube round tube is to this field skill
It is familiar with for art personnel, is outer diameter≤7mm pipe.Small diameter tube pipe can improve circulation heat dissipation capacity, and small diameter tube is different from micro- logical
Road, conventional to understand, the caliber size of small diameter tube is greater than the passage aisle size of microchannel, is avoided that crushing and blocking.Moreover, evaporation
Interference connects fin 11 on coil pipe 12, further increases heat dissipation.Groove 10 is arranged in the outer surface of evaporation coil 12, can reach flow-disturbing
Purpose, increase heat dissipation area, further increase heat dissipation effect.
Light pipe or riffled tube can be used in small diameter tube round tube.Screw thread inside riffled tube can play the role of flow-disturbing raising
Heat dissipation effect, the groove 10 that the groove 10 of conjunctival tubules diameter round tube outer surface increases heat exchange area, while rising one after another form wave
Slippage type, the ripple glaze play the role of flow-disturbing to wind flow field again, improve evaporator heat exchange effect.Groove 10 can be recessed to disperse
Slot, continuous waveform concave item etc. or discontinuous female slot etc..
When wherein making coil pipe, the round tube of small diameter tube or inside pipe wall are first had to the special-shaped round tube of tongue and groove, are first straightened disk again
Around for the first coil pipe, the first coil pipe serpentine-like can be coiled back and forth, can also be with from the inside to surface one circle circle coiling, and coiling is in a plate-like
Structure.
In various embodiments, the number of fin 11 is the amount doesn't matter, can be had according to the heat dissipation of specific evaporator
Body is fixed, and in certain embodiments, the equidistant interference of fin 11 is socketed on evaporation tube.
Before pushing away swollen interference connection fin 11, need to make the evaporation coil 12 of multiple grooves 10, the side of production in advance
Formula has very much, is described in detail below by two embodiments:
Embodiment 1:
Step 1100, multiple grooves are processed to the surface or two surfaces of the first coil pipe of small diameter tube round tube coiling
10；
When processing groove 10, the first coil pipe can be placed in one, groove 10, groove 10 are processed to two clamping faces
It is all disposed on small diameter tube round tube 4.
In some embodiments, groove 10 is in distributing, is not connected to mutually, so, work in-process is according to distributed side
Formula processes groove 10.
In further embodiments, the groove 10 of dispersion still has certain distribution rule, so, according to recessed in processing
Slot 10 on the first coil pipe by preset rules distribution in the way of, such as: matrix form.The groove 10 of processing is in entire first coil pipe table
Face is arranged in arrays.Groove 10 in a row, is in column arranged, and can be installed fin between adjacent two rows, between adjacent two column, be evaporated
Interference connects between coil pipe and fin.
In some embodiments it is contemplated that interference socket fin is arranged in the later period on evaporation coil, it is heated in order to improve
Uniformity reduces heat transfer loss, is not provided with groove 10 in the position of installation fin.So being reserved when processing groove 10
Multiple fin installation positions, fin installation position meet: the shape and evaporation that the fin installation position for installing the same fin surrounds
The intersection location of coil pipe is not provided with groove 10.
In further embodiments, groove 10 can also be processed using radioactive distribution mode, is formed in groove 10
Region interference between two radioactive ray is socketed fin.
Step 1200, using flexural pivot mold to the first coil pipe compacting with fluted 10, small diameter tube round tube is compressed to class
Elliptical tube.
The first coil pipe after processing groove 10 is placed on the flexural pivot mold with height limiter and with elasticity fine tuning flexural pivot
In self-leveling special molding tooling, small diameter tube round tube 4 is compressed to class elliptical tube.Wherein there is the ball of elasticity fine tuning flexural pivot
Mold is cut with scissors by the flexibility of flexural pivot, the moment adjusts the planarization of press face, can obtain more unified class elliptical tube.By tubule
Diameter round tube 4 is processed into the reeded class elliptical tube in surface of consistency of thickness, realizes that evaporator thickness is slim and high efficient heat exchanging.
Step 1300, smooth processing is carried out to pressed first coil pipe, obtains evaporation coil, as figs 11-13.
This step is placed in the mould of shaping slot 8 first coil pipe of the class elliptical tube of pre-molding and carries out finishing, with
Guarantee that the pipe of class elliptical tube is high, tube spacing is consistent with flatness, pushes away swollen installation fin to be subsequent and do pre-processing work.It solves
The consistency of subsequent fin lacing film and swelling interference quality reduces the heat transfer efficiency between thermal resistance raising pipe wing.
This manufacture craft solves the problems such as bend fracture, deformation, inconsistency, out-of-flatness of shape tube very well, solves
Pipe high consistency guarantees the good contact of the interference between section of jurisdiction, improves the heat transfer efficiency between pipe wing, realize slim steaming
Send out device heat exchange efficiency.
The equipment used when suppressing evaporation coil is flexural pivot mold, such as Fig. 4-8, the flexural pivot mold: top mold holder and lower template
3；Top mold holder includes: pressure part, upper mould piece 2, and pressure part is in the top of upper mould piece 2, and ball hinge 1 is arranged in the lower part of pressure part,
Sphere is arranged in the top of upper mould piece 2, and sphere, which is fallen into, forms spherical hinge structure in ball hinge 1；The lower part of upper mould piece 2 and lower template 3 it
Between be connected by elastic component；The upper surface of lower template 3 is arranged the first coil pipe and places position.
Apply strength to pressure part, top mold holder moves down, and gradually contacts small diameter tube round tube 4, continues to move down, during which flexural pivot
Micro-adjustment is done, to reach stable horizontal plane, obtains the class elliptical tube of sustained height.In addition, elastic component is in top mold holder to moving down
When dynamic and flexural pivot matches the press face of adjustment top mold holder.
After discharging the strength on pressure part, elastic component pushes top mold holder to move up by screen resilience.
In order to limit the height of class elliptical tube, more than one limited block 7 is detachably arranged in the upper surface of lower template 3, with
Limit top mold holder moves down distance.In some embodiments, locating part can be used and is removably mounted in lower template 3,
Be convenient for changing with detachable maintaining etc..
Certainly, in various embodiments, limited block 7 can up and down adjustment formula be installed on lower template 3, to adapt to obtain difference
The class elliptical tube of thickness.
Meanwhile in some embodiments, more than one guide post is set between pressure part and lower template 3, and guide post is certainly
Upper mould piece 2 is passed through by slidingtype.Guide post guidance top mold holder is moved downward along fixed-direction, is avoided shifting, is caused to suppress
Inconsistent problem.
It is needed on the basis of above-mentioned flexural pivot mold as shown in figs. 9-10 in the finishing mold that finishing adjustment constantly uses,
Multiple shaping slots 8 are set in the upper surface of lower template 3, class elliptical tube of the shaping slot 8 for evaporation coil is caught in inside it.
It by the first coil pipe of pre-molding class elliptical tube, is placed in the mould of shaping slot 8 and carries out finishing, to guarantee abnormal shape
The pipe of elliptical tube is high, tube spacing and flatness consistency, pushes away for subsequent shape tube or elliptical tube and swollen carries out pre-treatment work.Solution
The consistency for the subsequent fin lacing film and swelling interference quality of having determined, to ensure that the heat transfer efficiency between pipe wing.
Embodiment 2:
Step 2100, the first coil pipe that small diameter tube round tube coils is suppressed using flexural pivot mold, small diameter tube round tube is pressed
For class elliptical tube；
The coiling of small diameter tube round tube, press device are same as Example 1.
Step 2200, multiple grooves 10 are processed to a surface of pressed first coil pipe or two surfaces.
The mode for processing groove 10 is similar to Example 1, and distinctive points are, the present embodiment is in the class elliptical tube suppressed
Upper processing groove 10.
Step 2300, smooth processing, obtains evaporation coil.
The similar step 1300 of the step is accurately adjusted using finishing flexural pivot mold.
The difference of embodiment 2 and embodiment 1 is to suppress different with the sequence of processing groove 10.
The evaporation tube that the present invention makes is thin, good heat dissipation effect, is suitable for slim evaporator.
The present invention also provides a kind of evaporation tubes made by above-mentioned production method comprising evaporation coil and more than one
Fin；Evaporation coil includes the coil pipe of class elliptical tube coiling, and class elliptical tube is suppressed by small diameter tube round tube, and groove 10 is in class ellipse
It is distributed on pipe by predetermined manner；Fin interference is socketed on evaporation coil.
Evaporation coil is in planar structure, and fin interference is socketed on evaporation coil, and evaporation coil is socketed the position of fin,
It is not provided with groove 10.Multiple fins are in arranged in parallel or radial arrangement.Groove 10 is arranged in evaporation coil surface, increases and dissipates
Heat area, and flow-disturbing is generated to the gas of process, further increase the effect of heat dissipation.
In some embodiments, the small diameter tube round tube diameter that evaporation coil uses is less than or equal to 7mm, not only increases refrigeration
The amount of flow of agent, and crushing and blocking will not occur, improve heat dissipation effect.Moreover, some small diameter tube round tubes are riffled tube,
Internal screw thread can also generate flow-disturbing effect to refrigerant, and heat dissipation effect can be improved.
The present invention also provides a kind of evaporators, and as shown in Fig. 2 a, 2b, the evaporation tube of one layer of setting or more works as evaporation
When pipe is multilayer, multi-layer evaporation pipe parallel arranged.
Under normal conditions use two layers of evaporation tube, be placed in the partition between two compartments, two layers of evaporation tube respectively to
Adjacent compartment freezes.In some double-door refrigerators, partition is set between two compartments in left and right, evaporator may be disposed at
In partition.
The present invention also provides a kind of refrigerators comprising cabinet and evaporator, evaporator are set to the guarantor of cabinet medial compartment
In warm layer or evaporator is set in the partition in cabinet between two compartments.
It when the slim evaporator is used to freeze for a compartment, can be set in the insulating layer of the compartment, when need
When freezing to two adjacent compartments, which can be arranged in the partition between two compartments.
The production method for the evaporation coil that this technology provides, this manufacturing method solve the steaming of slim special-shaped elliptical tube very well
The problems such as device manufacture elbow deformation easy to crack are sent out, ensure that the contact magnitude of interference of special-shaped elliptical tube pipe wing, improve heat exchange effect
Rate is, it can be achieved that section material about 1/3.An equal amount of side by side combination refrigerator of cabinet is compared, evaporator and blower can be located in middle partition
Between, to realize about 40 liters of the increase of cabinet dischargeable capacity.Evaporator cold draining path to outside cabinet is greatly reduced, realizes refrigerating chamber
With freezing chamber fast cooling, Homes Using TV can be reduced and reduce energy consumption.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of production method of evaporation tube characterized by comprising pushed away to surface with the evaporation coil of multiple grooves
Swollen, interference is socketed fin；The evaporation coil includes the coil pipe of class elliptical tube coiling, and the class elliptical tube is by small diameter tube round tube pressure
System, the groove are distributed on the class elliptical tube by predetermined manner.
2. the production method of evaporation tube as described in claim 1, which is characterized in that the steaming for having multiple grooves to surface
Quotation pipe push away it is swollen, interference be socketed fin before, the production method further include: production have multiple grooves evaporating pan
Pipe.
3. the production method of evaporation tube as claimed in claim 2, which is characterized in that the production has the evaporation of multiple grooves
Coil pipe includes:
Multiple grooves are processed to the surface or two surfaces of the first coil pipe of small diameter tube round tube coiling；
It is suppressed using flexural pivot mold with reeded first coil pipe, the small diameter tube round tube is compressed to class elliptical tube.
4. the production method of evaporation tube as claimed in claim 2, which is characterized in that the production has the evaporation of multiple grooves
Coil pipe includes:
The first coil pipe that small diameter tube round tube coils is suppressed using flexural pivot mold, the small diameter tube round tube is compressed to class ellipse
Pipe；
Multiple grooves are processed to the surface or two surfaces of pressed first coil pipe.
5. the production method of evaporation tube as described in claim 3 or 4, which is characterized in that be pressed and with fluted
The first coil pipe after, production have multiple grooves evaporation coil further include: smooth processing obtains the evaporation coil.
6. the production method of evaporation tube as described in claim 1, which is characterized in that the predetermined manner includes: matrix form row
Cloth or emanant arrangement；And/or outer diameter≤7mm of the small diameter tube round tube.
7. the production method of evaporation tube as described in claim 1, which is characterized in that the evaporation coil is socketed the fin
Position is not provided with the groove.
8. a kind of evaporation tube by any one of the claim 1-7 production method production, which is characterized in that it includes evaporating pan
Pipe and more than one fin；Evaporation coil includes the coil pipe of class elliptical tube coiling, and the class elliptical tube is by small diameter tube round tube pressure
System, groove are distributed on the class elliptical tube by predetermined manner；The fin interference is socketed on the evaporation coil.
9. a kind of evaporator, which is characterized in that the evaporation tube of its claim 8 for being arranged one layer or more, when the evaporation
When pipe is multilayer, evaporation tube parallel arranged described in multilayer.
10. a kind of refrigerator, which is characterized in that it includes cabinet and evaporator as claimed in claim 9, and the evaporator is set to
In the insulating layer of the cabinet medial compartment or the evaporator is set in the partition in the cabinet between two compartments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114830.XA CN109807257B (en) | 2019-02-14 | 2019-02-14 | Evaporating pipe, manufacturing method thereof, evaporator using evaporating pipe and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114830.XA CN109807257B (en) | 2019-02-14 | 2019-02-14 | Evaporating pipe, manufacturing method thereof, evaporator using evaporating pipe and refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109807257A true CN109807257A (en) | 2019-05-28 |
| CN109807257B CN109807257B (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910114830.XA Active CN109807257B (en) | 2019-02-14 | 2019-02-14 | Evaporating pipe, manufacturing method thereof, evaporator using evaporating pipe and refrigerator |
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| Publication number | Publication date |
|---|---|
| CN109807257B (en) | 2020-11-27 |
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