CN201352034Y - Tube fitting used for connection in air conditioner or refrigerator, air conditioner and refrigerator - Google Patents
Tube fitting used for connection in air conditioner or refrigerator, air conditioner and refrigerator Download PDFInfo
- Publication number
- CN201352034Y CN201352034Y CNU2008201754330U CN200820175433U CN201352034Y CN 201352034 Y CN201352034 Y CN 201352034Y CN U2008201754330 U CNU2008201754330 U CN U2008201754330U CN 200820175433 U CN200820175433 U CN 200820175433U CN 201352034 Y CN201352034 Y CN 201352034Y
- Authority
- CN
- China
- Prior art keywords
- conditioning
- pipeline fitting
- air
- copper
- refrigerator
- 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
- 229910052802 copper Inorganic materials 0.000 claims abstract description 97
- 239000010949 copper Substances 0.000 claims abstract description 97
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 94
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 78
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000004378 air conditioning Methods 0.000 claims description 61
- 239000004411 aluminium Substances 0.000 claims description 59
- 238000003475 lamination Methods 0.000 claims description 40
- 238000005057 refrigeration Methods 0.000 claims description 11
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 238000003466 welding Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005253 cladding Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000006056 electrooxidation reaction Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- GEOHSPSFYNRMOC-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu].[Cu] GEOHSPSFYNRMOC-UHFFFAOYSA-N 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A tube fitting used for connection in an air conditioner or a refrigerator is of a tubular layered structure, the inner layer is a copper layer, and the outer layer is an aluminum layer. The adoption of the tube fitting provided by the utility model can effectively save the copper resource and reduce the production cost.
Description
Technical field
The utility model relates to a kind of connecting line spare, and particularly a kind of air-conditioning that is used for is connected with pipeline fitting and adopts the air-conditioning and the refrigerator of this pipeline fitting with refrigerator inside.
Background technology
In the prior art, its refrigeration system of air-conditioning or refrigerator comprises compressor, condenser, throttle part, evaporimeter or the like, and these refrigeration systems connect by pipeline fitting, caliber also has nothing in common with each other, and still, their effect is the same, play the transmission refrigerant exactly, reach the effect of heat exchange.In each air-conditioning and refrigerator, these pipeline fittings are a lot, add up to reach several kilograms.These producers all adopt copper pipe to process now, to the enterprise of large-scale production air-conditioning and refrigerator, will be very googol orders, and use cost will be very high.And the proportion of copper is about 8.9, uses the air-conditioner weight of copper pipe and copper fitting bigger, has increased the cost of transportation of air-conditioning.Aluminum is a light metal, and aboundresources is not only in light weight, the quality heavily fortified point, and have good ductility, thermal conductivity and hear resistance.The proportion of aluminium is about 2.7, processing easily, and cost is lower.Use aluminum profile extrusion aluminum pipe and aluminum workpiece to become the emphasis of current research as the pipeline of refrigeration system.But using aluminium-made refrigeration pipeline manufacturing air-conditioner also to have some technical difficulty and shortcomings.For example, fold appears in aluminum pipe processing difficulties easily when bend pipe, tubing is scrapped or is reduced compressive resistance; The Al pipe butt welding difficulty is burnt pipeline easily or weldering occurred and leaks; Copper fitting junction in aluminum pipe and the refrigeration pipe is because the potential difference that the different metal contact-making surface exists causes couple corrosion.
The utility model content:
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, provides a kind of in light weight, and cost is low is used for air-conditioning or refrigerator inside and connects and use pipeline fitting.
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of air-conditioning of low production cost is provided.
Technical problem to be solved in the utility model is to overcome the deficiency of above-mentioned prior art, and a kind of refrigerator of low production cost is provided.
Be connected with refrigerator inside and use pipeline fitting according to the utility model proposes a kind of air-conditioning that is used for, it is the tubulose hierarchy that described air-conditioning or refrigerator inside connect with pipeline fitting, and skin is the copper layer, and internal layer is an aluminium lamination.
Be used for air-conditioning or the refrigerator inside that provide according to the utility model connect and also have following additional technical feature with pipeline fitting:
Combine by metallic bond between copper aluminium atom between described copper layer and the described aluminium lamination.
Described copper layer and described aluminium lamination diffuse to form the binder course of a described copper layer of realization and described aluminium lamination metallurgical binding mutually, realize that the described joint thickness of metallurgical binding is 1～3 μ m.
Described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40.
The caliber that described air-conditioning or refrigerator inside connect with pipeline fitting is 5mm～20mm.
Described air-conditioning or refrigerator inside connection are suitable for bending machining with pipeline fitting.
Described copper layer is copper or copper alloy layer, and described aluminium lamination is the aluminum or aluminum alloy layer.
According to the utility model proposes a kind of air-conditioning, its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and is used to be connected the pipeline fitting of described compressor, described condenser, described throttle part, described evaporimeter, the inner connection with pipeline fitting of described air-conditioning is the tubulose hierarchy, skin is the copper layer, and internal layer is an aluminium lamination.
A kind of air-conditioning that provides according to the utility model also has following additional technical feature:
Combine by metallic bond between copper aluminium atom between described copper layer and the described aluminium lamination.
Described copper layer and described aluminium lamination diffuse to form the binder course of a described copper layer of realization and described aluminium lamination metallurgical binding mutually, realize that the described joint thickness of metallurgical binding is 1～3 μ m.
Described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40.
The inner caliber that connects with pipeline fitting of described air-conditioning is 5mm～20mm.
The inner connection of described air-conditioning is suitable for bending machining with pipeline fitting.
Described copper layer is copper or copper alloy layer, and described aluminium lamination is the aluminum or aluminum alloy layer.
According to the utility model proposes a kind of refrigerator, its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and is used to be connected the pipeline fitting of described compressor, described condenser, described throttle part, described evaporimeter, it is the tubulose hierarchy that described refrigerator inside connects with pipeline fitting, skin is the copper layer, and internal layer is an aluminium lamination.
A kind of refrigerator that provides according to the utility model also has following additional technical feature:
Combine by metallic bond between copper aluminium atom between described copper layer and the described aluminium lamination.
Described copper layer and described aluminium lamination diffuse to form the binder course of a described copper layer of realization and described aluminium lamination metallurgical binding mutually, realize that the described joint thickness of metallurgical binding is 1～3 μ m.
Described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40.
The caliber that described refrigerator inside connects with pipeline fitting is 5mm～20mm.
Described refrigerator inside connection is suitable for bending machining with pipeline fitting.
Described copper layer is copper or copper alloy layer, and described aluminium lamination is the aluminum or aluminum alloy layer.
A kind of air-conditioning that is used for that provides according to the utility model is connected with refrigerator inside with pipeline fitting and compared with prior art has following advantage at least:
At first, the air-conditioning that is used for that adopts that the utility model provides is connected with refrigerator inside with pipeline fitting and can saves the copper resource effectively, reduces production costs; Secondly, adopt the air-conditioning of copper cladding aluminium pipe to be connected and weld and have good welding effect with pipeline fitting with refrigerator inside; Once more, the air-conditioning that provides of the utility model is connected with pipeline fitting in use as broad as long with the product that uses full copper with refrigerator inside.
A kind of air-conditioning that provides according to the utility model compared with prior art has following advantage at least:
At first, the air-conditioner that provides according to the utility model adopts the pipeline fitting of aluminium in the outer copper, saves the copper resource effectively, has reduced the production cost of air-conditioner; Secondly, adopt inner connection of air-conditioning of copper cladding aluminium pipe to weld and to have guaranteed the security that air-conditioning uses than adopting pure copper tube to obtain better welding effect with pipeline fitting; Once more, on serviceability, in the outer copper copper aluminum composite pipes of aluminium compare with full copper pipe as broad as long because freon does not produce electrochemical corrosion to joint between copper aluminium, therefore for service life of the evaporimeter of logical freon refrigerant in the pipe and condenser without any influence.
A kind of refrigerator that provides according to the utility model compared with prior art has following advantage at least:
At first, the refrigerator that provides according to the utility model adopts the pipeline fitting of aluminium in the outer copper, saves the copper resource effectively, has reduced the production cost of refrigerator; Secondly, adopting the air-conditioning of copper cladding aluminium pipe to be connected with refrigerator inside with pipeline fitting welds and can guarantee the security of refrigerator use than adopting pure copper tube obtain better welding effect; Once more, on serviceability, in the outer copper copper aluminum composite pipes of aluminium compare with full copper pipe as broad as long because freon does not produce electrochemical corrosion to joint between copper aluminium, therefore for service life of the evaporimeter of logical freon refrigerant in the pipe and condenser without any influence.
The additional advantage of the utility model will partly provide in the following description, and part will become more obvious from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and other aspects of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is a kind of structural representation that is used for air-conditioning or refrigerator inside connection usefulness pipeline fitting;
Fig. 2 is a kind of air-conditioning or refrigerator inside connection pipeline fitting and tube connector welding schematic diagram of being used for.
The specific embodiment:
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish label is represented components identical.Be used to explain the utility model below by the embodiment that is described with reference to the drawings, described embodiment is exemplary, and can not be interpreted as restriction of the present utility model.
Referring to Fig. 1, according to a kind of air-conditioning or refrigerator inside connection pipeline fitting of being used for that the utility model provides, it is the tubulose hierarchy that described air-conditioning or refrigerator inside connect with pipeline fitting, and outer 1 is the copper layer, and internal layer 2 is an aluminium lamination.Need to prove, described air-conditioning be connected with refrigerator inside with pipeline fitting can be compound by roll compacting, compound, the solid covering to technologies such as compound, plating or hot dippings of extruding form outer copper coating.Can save the copper resource effectively after adopting this structure, the reduction air-conditioning is connected with refrigerator inside uses the pipeline fitting production cost.Further, combine by metallic bond between copper aluminium atom between described copper layer and the described aluminium lamination.
According to embodiment of the present utility model, described copper layer and described aluminium lamination diffuse to form the binder course of a described copper layer of realization and described aluminium lamination metallurgical binding mutually, realize that the described joint thickness of metallurgical binding is 1～3 μ m.Described combination is exactly that copper layer and aluminium lamination carry a crystallization because at the faying face place dynamically recovery takes place in process, thereby make copper layer and aluminium lamination realize metallurgical binding, if crystal phase structure with microscopic examination copper aluminium faying face place, can find that copper atom and aluminium atom form the very thin metallurgical binding layer of one deck because of interpenetrating and dynamically recovering crystallization again, are generally 1～3 μ m.The metallurgical binding of copper layer and aluminium lamination has not only improved the mechanical performance of connecting bend, and has increased the rate of heat exchange between copper layer and the aluminium lamination.
Referring to Fig. 1, shown in Figure 2, according to further embodiment of the present utility model, described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40.For example, described skin is that thickness and the internal layer of copper layer are that the thickness ratio of aluminium lamination is 1: 20.Described skin can make things convenient for the pipeline fitting of air-conditioning and refrigerator inside to be connected with other pipeline fitting for the copper layer, for example adopt tube connector 4 to connect, and described tube connector is a copper pipe, can avoid adopting separately aluminum pipe that weldering, the security that has improved pipeline take place to leak.
Referring to Fig. 1, Fig. 2, according to embodiment of the present utility model, the caliber that described air-conditioning is connected with refrigerator inside with pipeline fitting is 2mm～20mm.The external diameter of pipe that for example described air-conditioning is connected with refrigerator inside with pipeline fitting is 2mm～20mm, for example is 10mm.Described air-conditioning is connected external diameter of pipe and the tube connector in the pipeline 4 with pipeline fitting with refrigerator inside, the internal diameter that for example is copper pipe is identical, because outer 1 copper layer contacts with the inwall of copper pipe 4, utilize the scolder 3 of solder to weld with can be good between the two, so promptly making things convenient for tube connector and described air-conditioning to be connected the welding of using pipeline fitting with refrigerator inside, also is that weld is more firm.
Referring to Fig. 1, according to embodiment of the present utility model, described air-conditioning is connected with refrigerator inside with pipeline fitting can bending machining go out Any shape.Further, copper layer described in the utility model is copper or copper alloy layer, and described aluminium lamination is the aluminum or aluminum alloy layer.
A kind of air-conditioning according to the utility model provides comprises indoor set and off-premises station, and its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and inner the connection uses pipeline fitting, the inner connection of described air-conditioning used pipeline fitting, be the tubulose hierarchy, outer 1 is the copper layer, and internal layer 2 is an aluminium lamination.Wherein the concrete structure of indoor set and off-premises station is a mature technique comparatively in the prior art, its concrete structure is repeated no more herein.The air-conditioning that provides according to the utility model adopts the pipeline fitting of aluminium in the outer copper, save the copper resource effectively, reduced the production cost of air-conditioning, adopt inner connection of air-conditioning of copper cladding aluminium pipe to weld and to obtain better welding effect than the employing pure copper tube with pipeline fitting, guaranteed the security that air-conditioning uses, on serviceability, the copper aluminum composite pipes of aluminium is compared as broad as long with full copper pipe in the outer copper, because freon do not produce electrochemical corrosion to joint between copper aluminium, therefore for service life of the evaporimeter of logical freon refrigerant in the pipe and condenser without any influence.Further, described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40, and the inner caliber that connects with pipeline fitting of described air-conditioning is 2mm～20mm, and the inner connection of described air-conditioning can bending machining go out Any shape with pipeline fitting.A kind of air-conditioning that provides by the utility model greatly reduces the use amount of copper or copper alloy, greatly reduces production cost.Need to prove that described copper layer is copper or copper alloy layer, described aluminium lamination is the aluminum or aluminum alloy layer.
A kind of refrigerator that provides according to the utility model, comprise housing and refrigerating chamber, fresh-keeping chamber, its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and inner the connection uses pipeline fitting, described refrigerator inside connects uses pipeline fitting, be the tubulose hierarchy, outer 1 is the copper layer, and internal layer 2 is an aluminium lamination.Its middle shell and structures such as refrigerating chamber, fresh-keeping chamber belong to mature technology in the prior art, these concrete structures are repeated no more herein.The refrigerator that provides according to the utility model adopts in the outer copper air-conditioning of aluminium to be connected with refrigerator inside and uses pipeline fitting, save the copper resource effectively, reduced the production cost of refrigerator, adopt the refrigerator inside connection of copper cladding aluminium pipe to weld and to obtain better welding effect than the employing pure copper tube with pipeline fitting, guaranteed the security that refrigerator uses, on serviceability, the copper aluminum composite pipes of aluminium is compared as broad as long with full copper pipe in the outer copper, because freon do not produce electrochemical corrosion to joint between copper aluminium, therefore for service life of the evaporimeter of logical freon refrigerant in the pipe and condenser without any influence.Further, described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40, and the caliber that described refrigerator inside connects with pipeline fitting is 2mm～20mm, and described refrigerator inside connection can bending machining go out Any shape with pipeline fitting.A kind of refrigerator that provides by the utility model greatly reduces the use amount of copper or copper alloy, greatly reduces production cost.Need to prove that described copper layer is copper or copper alloy layer, described aluminium lamination is the aluminum or aluminum alloy layer.
Claims (8)
1, a kind of air-conditioning or refrigerator inside connection pipeline fitting of being used for, it is the tubulose hierarchy that described air-conditioning or refrigerator inside connect with pipeline fitting, it is characterized in that: the skin that described air-conditioning or refrigerator inside connect with pipeline fitting is the copper layer, and internal layer is an aluminium lamination.
2, air-conditioning or the refrigerator inside connection pipeline fitting of being used for according to claim 1, it is characterized in that: described copper layer and described aluminium lamination diffuse to form the binder course of a described copper layer of realization and described aluminium lamination metallurgical binding mutually, realize that the described joint thickness of metallurgical binding is 1～3 μ m.
3, air-conditioning or the refrigerator inside of being used for according to claim 1 connects and use pipeline fitting, it is characterized in that: described skin is that thickness and the internal layer of copper layer is that the thickness ratio of aluminium lamination is 1: 1～40.
4, air-conditioning or the refrigerator inside of being used for according to claim 1 connects and use pipeline fitting, and it is characterized in that: described air-conditioning or refrigerator inside connection are 5mm～20mm with the caliber of pipeline fitting.
5, air-conditioning or the refrigerator inside of being used for according to claim 1 connects and use pipeline fitting, and it is characterized in that: described air-conditioning or refrigerator inside connection are suitable for bending machining with pipeline fitting.
6, according to claim 1ly be used for cold air-conditioning and be connected with refrigerator inside and use pipeline fitting, it is characterized in that: described copper layer is copper or copper alloy layer, and described aluminium lamination is the aluminum or aluminum alloy layer.
7, a kind of air-conditioning, its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and is used to be connected the pipeline fitting of described compressor, described condenser, described throttle part, described evaporimeter, it is characterized in that: described pipeline fitting is any described pipeline fitting among the aforesaid right requirement 1-6.
8, a kind of refrigerator, its refrigeration system comprises compressor, condenser, throttle part, evaporimeter and is used to be connected the pipeline fitting of described compressor, described condenser, described throttle part, described evaporimeter, it is characterized in that: described pipeline fitting is any described pipeline fitting among the aforesaid right claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754330U CN201352034Y (en) | 2008-10-30 | 2008-10-30 | Tube fitting used for connection in air conditioner or refrigerator, air conditioner and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201754330U CN201352034Y (en) | 2008-10-30 | 2008-10-30 | Tube fitting used for connection in air conditioner or refrigerator, air conditioner and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201352034Y true CN201352034Y (en) | 2009-11-25 |
Family
ID=41375422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201754330U Expired - Fee Related CN201352034Y (en) | 2008-10-30 | 2008-10-30 | Tube fitting used for connection in air conditioner or refrigerator, air conditioner and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201352034Y (en) |
-
2008
- 2008-10-30 CN CNU2008201754330U patent/CN201352034Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20131030 |