CN106482566B - Heat exchanger tube, heat exchanger and its assembly method for heat exchanger - Google Patents
Heat exchanger tube, heat exchanger and its assembly method for heat exchanger Download PDFInfo
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- CN106482566B CN106482566B CN201510527457.2A CN201510527457A CN106482566B CN 106482566 B CN106482566 B CN 106482566B CN 201510527457 A CN201510527457 A CN 201510527457A CN 106482566 B CN106482566 B CN 106482566B
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Abstract
The embodiment provides a kind of heat exchanger tubes, heat exchanger and its assembly method for heat exchanger.There is at least one notch on the outer surface of the heat exchanger tube, at least one described notch for accommodate plug-in unit with by the heat exchanger tube expanded joint in the heat exchanger in corresponding fin hole.
Description
Technical field
The present invention relates to Heating,Ventilating and Air Conditioning, automobile, refrigeration and transport fields, more particularly, to evaporator, condenser, heat pump
Heat exchanger tube used in the heat exchangers such as heat exchanger and water tank and its assembly method and the heat exchanger.
Background technique
Currently, one is mechanical expanding technology, another kind is soldering tech there are two types of the technology of manufacture heat exchanger is general.
As shown in Figure 1-3, showing a kind of common fin-tube type heat exchanger 10.The fin-tube type heat exchanger 10 includes multiple wings
Piece 1, each fin in the multiple fin 1 are provided with fin hole 2；Multiple heat exchanger tubes 3, it is every in the multiple heat exchanger tube 3
A heat exchanger tube passes through corresponding fin hole and multiple fins is stacked on one another together；At least one elbow 4, it is described at least one
Each elbow in elbow 4 is configured to be connected to corresponding two heat exchanger tubes in multiple heat exchanger tubes 3；With at least one header 5,
It is configured to direct fluid into corresponding heat exchanger tube 3, and the fluid is finally exported into the fin-tube type heat exchanger 10
Outside.Specifically, pass through the medium between refrigerant fin by such as air in heat exchanger tube.
As shown, and fin hole 2 is also at circle in general, heat exchanger tube 3 is at circle.The diameter of fin hole 2, which is slightly larger than, to be changed
The diameter of heat pipe 3, fin 1 penetrate heat exchanger tube 3, and after waiting whole fins to be installed, are then protruded into the swollen head 6 of electric tube expander
Tube expansion is carried out in heat exchanger tube 3.6 diameter of swollen head of electric tube expander is slightly larger than the diameter of fin hole 2.After tube expansion, it is ensured that heat exchanger tube 3
It is fitted closely with fin 1.
As shown in figure 4, showing a kind of microchannel/parallel-flow heat exchanger 20.The heat exchanger 20 include two headers 21,
Multiple fins 23 are provided between multiple flat heat exchange pipes 22 for extending between two headers 21, adjacent heat exchanger tube 22.Separately
Outside, it additionally illustrates and is mounted on the end cap 24 of 21 one end of header, intracavitary baffle 25 that header 21 is set, be mounted on heat exchange
Side plate 26 on 20 side of device and the inlet/outlet accessory 27 being arranged on header 21.
All components of the heat exchanger 20 are all made of aluminum.Flat heat exchange pipe 22 and fin 23 tie up next feeding as shown in the figure
Soldering oven is welded, and fin 23 and flat heat exchange pipe 22 weld together after coming out of the stove, brazing process include brazing flux spraying, it is dry,
Heating, welding, cooling etc..
It is well known, however, that identical size of heat exchanger, the hydraulic diameter of heat exchanger tube is smaller, and heat exchange property can be higher, material
The cost of material is lower.But mechanical expanding technology is affected by heat exchanger tube diameter, can be only applied to diameter at present greater than 5mm
Heat exchanger tube.
In addition, for conventional heat exchanger tube, it is contemplated that the factors such as cost and heat exchange efficiency, general wall thickness are designed as non-
It is often thin, and when use mechanical expanding technology, it is easy to tube wall is burst, scrap of the product is caused.
For another soldering tech, it can be used for the heat exchanger of small hydro diameter heat exchanger tube.Micro-channel heat exchanger
This technology is generallyd use, and there is preferable heat exchange property.But, on the one hand, soldering processes are complicated, and equipment investment is high,
The problems such as unstable product quality, strongly limits the market competitiveness of micro-channel heat exchanger；On the other hand, since product needs
To pass through high-temperature soldering, so can not do erosion resistant coating and hydrophilic layer on fin material, Corrosion Protection and drainability are than pipe wing
Formula heat exchanger wants poor.
Summary of the invention
Present invention aim to address or at least alleviate the deficiency or disadvantage of two kinds of above-mentioned welding techniques.
According to an aspect of the invention, there is provided a kind of heat exchanger tube for heat exchanger, wherein the heat exchanger tube is outer
There is at least one notch, at least one described notch is for accommodating plug-in unit to change the heat exchanger tube expanded joint described on surface
In hot device in corresponding fin hole.
In one example, the outer surface of the heat exchanger tube is substantial circular or oblong, and the fin hole has and institute
State the identical shape of heat exchanger tube.
In one example, the notch is to concave along the extending direction of heat exchanger tube towards the channel in heat exchanger tube
Recess portion.
In one example, the notch is circular, rectangular, rectangle, oval or swallow-tail form.
In one example, the heat exchanger tube be single hole, porous or pore.
In one example, the plug-in unit has shape corresponding with the notch.
In one example, the plug-in unit is interior tube expansion.
In one example, the interior tube expansion is hollow, solid, porous, circular, non-circular or swallow-tail form
's.
In one example, the outer diameter of the heat exchanger tube is slightly less than the internal diameter of corresponding fin hole.
According to another aspect of the present invention, a kind of heat exchanger is provided, the heat exchanger includes:
Multiple fins, each fin in the multiple fin are provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the multiple heat exchanger tube pass through corresponding fin hole make multiple fins that
This is stacked together；
Wherein at least one of described heat exchanger tube is according to above-mentioned heat exchanger tube.
Also one side according to the present invention, provides a kind of assembly method according to above-mentioned heat exchanger, comprising:
Each heat exchanger tube in multiple heat exchanger tubes is penetrated into corresponding fin hole in multiple fins, so that multiple fins
It is stacked on one another together；
Plug-in unit is inserted into the notch of each heat exchanger tube, so that each heat exchanger tube and the inner wall expanded joint of the fin hole exist
Together.
In an embodiment of the present invention, technical solution of the present invention has following advantageous effects:
1, the embodiment of the present invention solve for fine or small internal diameter heat exchanger tube can not tube expansion the technical issues of；
2, the embodiment of the present invention can substantially reduce manufacturing cost without soldering processes are used；
3, the embodiment of the present invention reduces swollen bring heat exchanger tube risk of rupture in conventional heat transfer pipe.
Detailed description of the invention
These and or other aspects and advantage of the invention will become from description of preferred embodiments with reference to the accompanying drawing
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the topology view of fin-tube type heat exchanger in the prior art；
Fig. 2 a and 2b are the side view and main view for being respectively fin in Fig. 1；
Fig. 3 is view of the fin in Fig. 1 using electric tube expander tube expansion；
Fig. 4 is microchannel/parallel-flow heat exchanger topology view in the prior art；
Fig. 5 a and 5b are the structure of the fin being assembled together and heat exchanger tube according to an embodiment of the invention respectively
View and main view；
Fig. 5 c is the detailed view of the circle A in Fig. 5 b；
Fig. 5 d is the topology view of fin；
Fig. 6 a-6b is the exemplary main view and topology view for showing the heat exchanger tube in Fig. 5 a respectively；
Fig. 6 c-6d is another the exemplary main view and topology view for showing the heat exchanger tube in Fig. 5 a respectively；
Fig. 6 e-6f is another the exemplary main view and topology view for showing the heat exchanger tube in Fig. 5 a respectively；
Fig. 6 g-6h is another the exemplary main view and topology view for showing the heat exchanger tube in Fig. 5 a respectively；
Fig. 6 i-6j is another the exemplary main view and topology view for showing the heat exchanger tube in Fig. 5 a respectively；
Fig. 7 a and 7b are the knot of the fin being assembled together and heat exchanger tube according to another embodiment of the invention respectively
Structure view and main view；
Fig. 7 c is the detailed view of the circle B in Fig. 7 b；
Fig. 7 d-7h is each exemplary view of plug-in unit；
Fig. 8 a is the main view of the fin being assembled together and heat exchanger tube according to still another embodiment of the invention；
Fig. 8 b is the detailed view of the circle C in Fig. 8 a.
Specific embodiment
1-8b below by way of examples and with reference to the accompanying drawings, the technical solutions of the present invention will be further described.?
In specification, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment party of the present invention
The explanation of formula is intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
As shown in figure 5a and 5b, the heat exchanger tube 51 and wing according to an embodiment of the invention being assembled together is shown
The view of the structure 50 of piece 52.As discussed in the background technology part, it will be understood by those skilled in the art that reality of the invention
Apply the composite structure of heat exchanger tube 51 and fin 52 described in example can be used in fin-tube type heat exchanger in, can also be used in microchannel/
In parallel-flow heat exchanger.In view of in the background technology to fin-tube type heat exchanger and microchannel/parallel-flow heat exchanger structure
It carries out specifically, therefore, fin-tube type heat exchanger and microchannel/parallel-flow heat exchanger specific structure are no longer described in detail herein, this
The structure division of fin and heat exchanger tube that field technical staff can directly be assembled together provided by the embodiment of the present invention
Substitute the corresponding portion in above-mentioned correspondence heat exchanger.In other words, heat exchanger tube of the present invention can according to need for each
Kind heat exchanger, and it is not limited to the concrete type of above-mentioned heat exchanger.
In actual assembling process, fin 52 is superimposed first in layer, is then connected by heat exchanger tube
Get up, so as to form structure as shown in Figure 5 a.
In one example, the outer surface of heat exchanger tube 51 is substantial circular, and accordingly, fin hole 53 (referring to Fig. 5 d) also has
There is the shape of substantial circular.It is, fin hole 53 and 51 shape of heat exchanger tube need to keep identical or match.In order to enable changing
Heat pipe 51 can pass through the fin hole 53 on fin 52, usually be arranged to be slightly less than in fin hole 53 by the outer diameter of heat exchanger tube 51
Diameter.Certainly, those skilled in the art can according to need the size relationship being specifically arranged between them.
Referring to Fig. 5 c and 5d, it can be seen that have some spaces or gap 54 between heat exchanger tube 51 and fin hole 53.This
Gap 54 is surplus of the fin hole 53 with respect to heat exchanger tube 51, so that heat exchanger tube 51 is convenient for stack layer or fin across fin
Packet.
As illustrated in figs. 5 a-5 c, there is at least one notch 55, the notch 55 is for accommodating on the outer surface of heat exchanger tube 51
Plug-in unit (will be described below in detail) with by 51 expanded joint of heat exchanger tube in corresponding fin hole 53.The notch 55 is along heat exchange
The recess portion that the extending direction of pipe concaves towards the channel 56 in heat exchanger tube 51.Although it is appreciated that being illustrated only in Fig. 5 a-5c
Each heat exchanger tube 51 has a notch 55, but those skilled in the art can according to need the multiple notches of setting, and unlimited
In the situation of diagram.
Referring to Fig. 6 a and 6b, the cross section that heat exchanger tube 51 has substantial circular is shown, and is provided with a substantially semicircle
The notch 55 of shape.In addition, heat exchanger tube 51 has a heat exchanger channels 56.
Referring to Fig. 6 c and 6d, the cross section that heat exchanger tube 51 has substantial circular is shown, and is provided with a substantially semicircle
The notch 55 of shape.But there are four heat exchanger channels 56 for the tool of heat exchanger tube 51.
Referring to Fig. 6 e and 6f, the cross section that heat exchanger tube 51 has substantial circular is shown, and is provided with a substantially dovetail
The notch 55 of shape.In addition, there are four heat exchanger channels 56 for the tool of heat exchanger tube 51.
Referring to Fig. 6 g and 6h, the cross section that heat exchanger tube 51 has general oval is shown, and is provided with one substantially half
Circular notch 55.In addition, there are four heat exchanger channels 56 for the tool of heat exchanger tube 51.
Referring to Fig. 6 i and 6j, the cross section that heat exchanger tube 51 has substantial circular is shown, and is provided with a general triangular
The notch 55 of shape.In addition, there are four heat exchanger channels 56 for the tool of heat exchanger tube 51.
By above-mentioned diagram it is found that heat exchanger tube 51 described in the embodiment of the present invention can be single hole, porous, capillary
Hole etc., i.e. the quantity of heat exchanger channels 56 in heat exchanger tube 51, which can according to need, to be selected.It is set on the side of heat exchanger tube 51
The notch 55 set can circular, rectangular, swallow-tail form or other non-circular shapes etc..It should be noted that herein
The number and shape of the quantity of the heat exchanger channels of the heat exchanger tube 51, cross sectional shape and notch can be arbitrarily combined, and
It is not limited to the situation of diagram.When heat exchanger tube 51 has multiple heat exchanger channels, difference can be flowed through in different heat exchanger channels
Fluid.
Referring to Fig. 7 a and 7b, the topology view and main view after being inserted into plug-in unit in structure shown in Fig. 5 a and 5b are shown
Figure.After heat exchanger tube 51 passes through fin hole 53, plug-in unit 57 is inserted into the side of heat exchanger tube 51.After heat exchanger tube 51 is open,
It being completely attached to the inner wall of fin hole 53, (referring to Fig. 7 c) is eliminated in the gap 54 between heat exchanger tube 51 and the inner wall of fin hole 53,
To reach purpose identical with mechanical expanding.Plug-in unit 57 is completed to be left between heat exchanger tube 51 and fin 52 after being inserted into and no longer be taken
Out, it is allowed to form the firm support of exchange heat pipe 51 completely.
From Fig. 7 c as it can be seen that plug-in unit 57 tightly supports heat exchanger tube 51, so that heat exchanger tube 51 is moved to side and and wing
The inner wall of film perforation 53 is in close contact, to eliminate the gap 54 between heat exchanger tube 51 and fin hole 53 to reach the mesh of expanded joint
's.
Referring to Fig. 7 d-7h, the topology view of each embodiment of plug-in unit 57 is shown.As shown, the plug-in unit 57 exists
It is interior tube expansion in one example, can be hollow, solid, porous, circular, non-circular, rectangular, swallow-tail form
, etc..The concrete shape of plug-in unit 57 needs corresponding with the shape of the notch 55 on corresponding heat exchanger tube 51.It needs to illustrate
It is that plug-in unit can be used as liquid storage device or overheat supercooling tube.
Referring to Fig. 8 a and 8b, another form of fin and heat exchanger tube are shown.Specifically, fin hole 53 is designed to grow up
Circular hole is to improve the contact area between heat exchanger tube 51 and fin 52, and correspondingly, heat exchanger tube 51 also can be made cooperating therewith
Shape.
In such fit system, heat exchanger tube 51 can be that single hole is hollow, be also possible to porous hollow, or be more
The form of Channel Capillary.Correspondingly, plug-in unit 57 is also possible to solid, hollow, porous, and shape can be it is non-circular
Shape.It is appreciated that their specific setting form can according to need and be selected.
As described above, in one example, the diameter for heat exchanger tube is being needed to be less than 5mm, preferably less than 4mm or
3mm, or when even more preferably less than 2mm or 1mm, plug-in unit 57 of the present invention can be used and realize heat exchanger tube 51 and fin 52
Securely connection, this is same or about with the technical effect of mechanical expanding technology or soldering tech.In one example, this hair
Bright heat exchanger tube can also be applied to the situation that plug-in unit diameter is less than 5mm, preferably less than 4mm or 3mm, or even more preferably less than
2mm or 1mm.
In another embodiment of the invention, a kind of heat exchanger is provided, which is characterized in that the heat exchanger includes:
Multiple fins, each fin in the multiple fin are provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the multiple heat exchanger tube pass through corresponding fin hole make multiple fins that
This is stacked together；
Wherein at least one of described heat exchanger tube is above-mentioned heat exchanger tube.
It is identical as above-mentioned heat exchanger tube in view of heat exchanger tube used in the heat exchanger, therefore detail is not repeated.
In a further embodiment of the invention, a kind of assembly method of above-mentioned heat exchanger is provided, comprising:
Each heat exchanger tube in multiple heat exchanger tubes is penetrated into corresponding fin hole in multiple fins, so that multiple fins
It is stacked on one another together；
Plug-in unit is inserted into the notch of each heat exchanger tube, so that each heat exchanger tube and the inner wall expanded joint of the fin hole exist
Together.
Heat exchanger tube used in assembly method in view of the heat exchanger is identical as above-mentioned heat exchanger tube, therefore detail is not
Tire out again and states.
In each example of the invention, provided heat exchanger tube, heat exchanger and corresponding assembly method can have with
Lower advantage:
1) the embodiment of the present invention makes heat exchanger tube can be made capillary, is conducive to pipe heat and improved strength；
2) intermediate plug-in unit of the invention can be used as liquid storage device or overheat supercooling tube, improve heat exchanger tube heat exchange；
3) the embodiment of the present invention solves the problems, such as that conventional mechanical expanded joint can not expanded joint small dimension heat exchanger tube；
4) the embodiment of the present invention solves the problems, such as that the sealing during Hydraulic expansion-jointing bring partial fracture and expanded joint is asked
Topic；
5) heat exchanger tube can be made into diversification by the embodiment of the present invention, carry out necessary adjustment according to actual needs.
6) relative to conventional microchannel porous heat transfer flat tube, which does not need welding procedure, facilitates
Reduce cost.
7) compared with conventional micro-channel flat, the assembly of the heat exchanger tube and fin facilitates defrosting and the discharge of condensed water,
It is great for promoting application value of the Thermal Performance of Micro Channels pipe under refrigeration air conditioner heat pump operating condition.
The above is only some embodiments of the present invention, it will be appreciated by the skilled addressee that sending out without departing substantially from this totality
In the case where the principle and spirit of bright design, these embodiments can be made a change, the scope of the present invention is with claim and it
Equivalent limit.
Claims (13)
1. a kind of heat exchanger tube for heat exchanger, wherein have at least one notch on the outer surface of the heat exchanger tube, it is described extremely
A few notch for accommodate plug-in unit with by the heat exchanger tube expanded joint in the heat exchanger in corresponding fin hole.
2. the heat exchanger tube according to claim 1 for heat exchanger, which is characterized in that
The outer surface of the heat exchanger tube is substantial circular or oblong, and the fin hole has shape identical with the heat exchanger tube
Shape.
3. the heat exchanger tube according to claim 1 for heat exchanger, which is characterized in that
The notch is the recess portion to concave along the extending direction of heat exchanger tube towards the channel in heat exchanger tube.
4. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that
The notch is circular, rectangular, oval or swallow-tail form.
5. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that the notch is square
Shape.
6. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that
The heat exchanger tube is single hole, porous or pore.
7. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that
The plug-in unit has shape corresponding with the notch.
8. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that
The plug-in unit is interior tube expansion.
9. the heat exchanger tube according to claim 8 for heat exchanger, which is characterized in that
The interior tube expansion is hollow, solid, porous, circular or swallow-tail form.
10. the heat exchanger tube according to claim 8 for heat exchanger, which is characterized in that
The interior tube expansion is non-circular.
11. the heat exchanger tube according to any one of claim 1-3 for heat exchanger, which is characterized in that
The outer diameter of the heat exchanger tube is slightly less than the internal diameter of corresponding fin hole.
12. a kind of heat exchanger, the heat exchanger include:
Multiple fins, each fin in the multiple fin are provided with fin hole；
Multiple heat exchanger tubes, each heat exchanger tube in the multiple heat exchanger tube pass through corresponding fin hole and make multiple fins layer each other
It stacks；
Wherein at least one of described heat exchanger tube is heat exchanger tube described in any one of -11 according to claim 1.
13. a kind of assembly method of heat exchanger according to claim 12, comprising:
Each heat exchanger tube in multiple heat exchanger tubes is penetrated into corresponding fin hole in multiple fins, so that multiple fins are each other
It is stacked together；
Plug-in unit is inserted into the notch of each heat exchanger tube, so that each heat exchanger tube and the inner wall expanded joint of the fin hole are one
It rises.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527457.2A CN106482566B (en) | 2015-08-25 | 2015-08-25 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527457.2A CN106482566B (en) | 2015-08-25 | 2015-08-25 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN106482566A CN106482566A (en) | 2017-03-08 |
| CN106482566B true CN106482566B (en) | 2019-01-25 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107520364A (en) * | 2017-08-19 | 2017-12-29 | 常州爱迪尔制冷科技有限公司 | Insert swollen finned heat exchanger D type swelling techniques and its insert swollen finned heat exchanger |
| CN114577029A (en) * | 2020-11-30 | 2022-06-03 | 海信（山东）冰箱有限公司 | Tube-fin heat exchanger and processing method thereof |
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| US4558695A (en) * | 1982-07-02 | 1985-12-17 | Nippondenso Co., Ltd. | Method of manufacturing a heat exchanger |
| JPH02290666A (en) * | 1989-02-21 | 1990-11-30 | Toyo Radiator Co Ltd | Manufacture of heat exchanger |
| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
| JP2003214791A (en) * | 2002-01-23 | 2003-07-30 | Mitsubishi Electric Corp | Heat exchanger |
| CN101042283A (en) * | 2005-12-09 | 2007-09-26 | 株式会社电装 | A heat exchanger |
| CN201069330Y (en) * | 2007-07-16 | 2008-06-04 | 黄山三佳谊华精密机械有限公司 | Novel heat exchanger |
| CN102338587A (en) * | 2010-07-16 | 2012-02-01 | 乐金电子(天津)电器有限公司 | Heat exchanger structure and assembly process thereof |
-
2015
- 2015-08-25 CN CN201510527457.2A patent/CN106482566B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4558695A (en) * | 1982-07-02 | 1985-12-17 | Nippondenso Co., Ltd. | Method of manufacturing a heat exchanger |
| JPH02290666A (en) * | 1989-02-21 | 1990-11-30 | Toyo Radiator Co Ltd | Manufacture of heat exchanger |
| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
| JP2003214791A (en) * | 2002-01-23 | 2003-07-30 | Mitsubishi Electric Corp | Heat exchanger |
| CN101042283A (en) * | 2005-12-09 | 2007-09-26 | 株式会社电装 | A heat exchanger |
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| CN106482566A (en) | 2017-03-08 |
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