CN200975566Y - Copper aluminum composite adapter connector used for air-conditioner - Google Patents
Copper aluminum composite adapter connector used for air-conditioner Download PDFInfo
- Publication number
- CN200975566Y CN200975566Y CN 200620063218 CN200620063218U CN200975566Y CN 200975566 Y CN200975566 Y CN 200975566Y CN 200620063218 CN200620063218 CN 200620063218 CN 200620063218 U CN200620063218 U CN 200620063218U CN 200975566 Y CN200975566 Y CN 200975566Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- copper
- aluminum
- section
- aluminum pipe
- 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
- 239000002131 composite material Substances 0.000 title claims description 21
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 86
- 239000010949 copper Substances 0.000 claims abstract description 86
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 84
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 82
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 82
- 238000003466 welding Methods 0.000 claims abstract description 22
- 230000007797 corrosion Effects 0.000 claims abstract description 11
- 238000005260 corrosion Methods 0.000 claims abstract description 11
- 239000004411 aluminium Substances 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 238000005422 blasting Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 238000007751 thermal spraying Methods 0.000 claims 1
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 230000009916 joint effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 4
- 240000000233 Melia azedarach Species 0.000 description 2
- 238000004210 cathodic protection Methods 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000009298 Trigla lyra Species 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
Images
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a copper aluminum connector used on air conditioners. The utility model comprises a copper pipe and an aluminum pipe which are connected together, the wall thickness of aluminum pipe is larger than that of the copper pipe by 0.1 to 0.5mm; the copper pipe is provided with a necking down section at the connecting end, the aluminum pipe is provided with a flareout section at the connecting end with the copper pipe for the convenience of the inserting of the necking down section of the copper section, the outer diameter of the necking down section of the copper pipe matches with the inner pipe of the flareout section of the aluminum pipe, the necking down section is spiced in and welded with the flareout section of the aluminum pipe; and the outer surface of the copper aluminum connecting end is coated with a corrosion resisting layer. The utility model ensures that the compressive strength of the welding point after the welding and that of the aluminum pipe section are able to meet the compressive performance requirement of refrigerating systems, in other words, the welded locations are hard to fall off or leak. The utility model realizes a corrosion resistance with help of the joint action of a mechanical shielding and a cathode protection and therefore is not only suitable for connecting pipes composed of copper pipes at two ends and aluminum pipes at middles and used for the connection of indoor part and outdoor part of split air conditioners and nut also suitable for the connection between the copper pipe and aluminum pipe the pipeline of a refrigeration system of air conditioning refrigeration device which adopts copper pipe and aluminum pipe.
Description
Technical field
The utility model relates to a kind of connected element that is used for the air conditioner pipeline, is specifically related to the composite connector that a kind of copper pipe road that is used for air conditioner is connected with the aluminum pipe road.
Background technique
Because aluminium has good performance, thus in air conditioner, begin to adopt aluminum pipe to replace the part copper pipe, with the proportion of copper in the minimizing air conditioner, thus the cost of reduction air conditioner.On September 13rd, 2004, State Intellectual Property Office's notification number is CN2641517's in " connecting tube of split-type air conditioner indoor unit and outdoor unit ", the utility model patent of claimant's application is disclosed, this Lian Jiguan is used to connect indoor machine of air-conditioner and outdoor unit, its two ends are respectively copper pipes, the centre is an aluminum pipe, and copper, aluminum pipe are by being welded to connect weld surface coverage metallic zinc layer.In addition, notification number is to disclose a kind of Lian Jiguan that is used for the inside and outside machine of air conditioner among the CN2708156, and it is respectively to be welded with copper tube joint to form at fine aluminium pipeline section two ends.These technology make the compound even application of machine pipe in the air conditioner manufacturing of air conditioner copper aluminium become possibility, but also have some problems at present: 1, the welding of copper pipe and aluminium tube joint need be undertaken by friction welding or resistance-welding process, is not easy to implement on the final assembly production line.Because it is a separate accessories that indoor and outdoor connects the machine pipe, process easily and control of quality, and the other parts of refrigeration pipe need be welded on production line, the processing technology difficulty, so this copper aluminum composite pipes is confined to use on company's machine pipe of air conditioner chamber, inside and outside machine, and fails to use in the other parts of refrigeration pipe.2, owing to copper pipe wall thickness in the air conditioner refrigeration pipe has only 0.6～1.0 millimeter, the welded joint form that adopts traditional friction welding or stored energy welding is that the copper pipe end face docks with the aluminum pipe end face, is easy to generate the welded joint seepage.3, the copper pipe compressive strength of identical wall thickness is than aluminum pipe height, the withstand voltage properties requirement that the compressive strength at solder joint place, welding back and the compressive strength of aluminum pipe section may not reach refrigeration system.
The model utility content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, connecting pipeline at air conditioner carries out technological improvement, it is that copper pipe, middle split-type air conditioner indoor and outdoor machine for aluminum pipe connect that a kind of two ends that are not only applicable to are provided, and also is applicable to the composite connector that copper pipe is connected with aluminum pipe in the operation of air conditioning systems refrigeration system pipeline that adopts copper pipe and aluminum pipe simultaneously.
The utility model provides a kind of air conditioner copper aluminium composite connector, comprise copper pipe section and aluminum pipe section by being welded to connect, copper pipe has a length at the mouth of pipe place with the aluminum pipe connecting end be 6～20 millimeters reducing section, aluminum pipe has a length at the mouth of pipe place with the copper pipe connecting end be 6～20 millimeters flared section, is convenient to copper pipe terminal and inserts.The reducing section external diameter of copper pipe matches with the internal diameter of aluminum pipe flared section, and copper pipe reducing section is plugged in the flared section of aluminum pipe; Copper pipe and aluminum pipe weld by electric resistance welding method, and the welding fusion face is on the copper aluminium junction plane of bayonet joint, and the fusion face width is 3～15 millimeters; The welding back covers corrosion protective covering to copper aluminium linkage section outer surface.Wherein the wall ratio copper pipe of aluminum pipe is big 0.1～0.5 millimeter.
The corrosion protective covering that described copper aluminium connecting end outer surface covers is at copper aluminium connecting end outer surface cover heating collapsible tube, or is coated with corrosion resistant coating at copper aluminium connecting end outer surface, or at copper aluminium connecting end outer surface plastic-blasting or soak and mould processing.Perhaps also can cover the metallic zinc layer at copper aluminium connecting end outer surface by plating, hot dipping or heat spraying method.
Compared with prior art; the air conditioner copper aluminium composite connector that the utility model provides; after copper pipe and aluminum pipe patched mutually by reducing section and flared section; on the junction plane that patches, adopt the electric resistance welding method welding; and by selection to aluminum pipe thickness and copper pipe thickness; the compressive strength of the compressive strength at solder joint place and aluminum pipe section can reach the withstand voltage properties requirement of refrigeration system after guaranteeing to weld, and anticorrosion by mechanical masking and cathodic protection synergy, and weld is not easy to come off and seepage.Because composite connector of the present utility model is an individual components, can produce in special processing site, and then be used for the production line of air conditioner, like this, it is not only applicable to two ends and is copper pipe, middle is the split-type air conditioner indoor and outdoor machine connecting tube of aluminum pipe, is applicable to being connected of copper pipe and aluminum pipe in the operation of air conditioning systems refrigeration system pipeline that adopts copper pipe and aluminum pipe simultaneously yet.Adopt this copper aluminium composite connector, can reduce manufacturing cost of air conditioner, and processing technology is simple, reliability is high.
Description of drawings
Below in conjunction with drawings and the specific embodiments the utility model composite connector is further described:
Accompanying drawing 1: the structural representation of the utility model copper aluminium composite connector joint;
Accompanying drawing 2: the utility model connects the schematic representation of using in the machine pipe at air conditioner indoor and outdoor machine;
Accompanying drawing 3: the schematic representation that the utility model is used in the air-conditioner refrigerating system pipeline.
Embodiment
This copper aluminium composite connector is used for detachable air conditioner, as shown in Figure 2, air conditioner indoor and outdoor machine connects the copper pipe and the aluminum pipe that is connected two copper pipes that the machine pipe comprises two ends, one end of copper pipe links to each other with outdoor unit with indoor set respectively, the composite connector that the other end of copper pipe passes through as shown in Figure 1 respectively links to each other with aluminum pipe, copper pipe 101 external diameters are 6.35 millimeters among the figure, and wall thickness t1 is 0.5 millimeter, are about 150 millimeters; An end that links to each other with aluminum pipe is the reducing section 101a with a throat structure, about 12 millimeters of reducing section 101a length.Aluminum pipe 102 external diameters are 6.35 millimeters, and wall thickness t2 is 0.8 millimeter; An end that links to each other with copper pipe is the flared section 102a with an enlarging structure, about 12 millimeters of flared section 102a length.Copper pipe reducing section 101a external diameter and aluminum pipe flared section 102a internal diameter cunning are joined, and copper pipe reducing section is plugged in the flared section of aluminum pipe.Copper pipe and aluminum pipe weld by electric resistance welding method, and welding fusion face 103 is on the copper aluminium junction plane of bayonet joint, and the fusion face width is about 6～10 millimeters.
After the welding back is cleaned copper aluminium linkage section outer surface, cover corrosion protective covering 104 by plastic-blasting.Be coated with corrosion resistant coating perhaps at copper aluminium connecting end outer surface cover heating collapsible tube, or at copper aluminium connecting end outer surface.Can certainly cover the metallic zinc layer at copper aluminium connecting end outer surface by plating, hot dipping or heat spraying method, anticorrosion by mechanical masking and cathodic protection synergy like this.
Equally, this composite connector also can be applicable in the refrigeration system pipeline of air conditioner, as shown in Figure 3, when vaporizer or condenser employing aluminium-made refrigeration pipeline, can adopt this connector to connect in the air inlet and exhaust piper of compressor.
In the utility model, because this composite connector is to process beyond the air conditioner assembling line, do not needing to carry out welding between copper pipe and the aluminium tube joint on the final assembly production line by friction welding or resistance welding, as long as carry out the welding of copper pipe and copper tube joint or the welding of aluminum pipe and aluminium tube joint, can use existing soldering processes, do not need to change the general assembly production technology, so processing technology is simple, reliability is high.
Claims (6)
1, a kind of copper aluminium composite connector that is used for air conditioner, it is characterized in that: comprise interconnective copper pipe and aluminum pipe, described copper pipe is provided with a reducing section at connecting end, aluminum pipe is provided with at the connecting end with copper pipe is convenient to the flared section that copper pipe reducing section is inserted, the reducing section external diameter of copper pipe matches with the internal diameter of aluminum pipe flared section, and copper pipe reducing section is plugged in the flared section of aluminum pipe and welds together; The big 0.1-0.5 millimeter of the wall ratio copper pipe of aluminum pipe.
2, the copper aluminium composite connector that is used for air conditioner according to claim 1, it is characterized in that: the reducing segment length of described copper pipe connecting end is 6～20 millimeters, the flared section length of aluminum pipe connecting end is corresponding with the reducing segment length.
3, the copper aluminium composite connector that is used for air conditioner according to claim 2, it is characterized in that: described copper pipe reducing section is connected by resistance welding with the aluminum pipe flared section.
4, the copper aluminium composite connector that is used for air conditioner according to claim 3 is characterized in that: the outer surface of described copper pipe and aluminum pipe connecting end covers corrosion protective covering.
5, the copper aluminium composite connector that is used for air conditioner according to claim 4; it is characterized in that: described corrosion protective covering is at copper pipe and aluminum pipe connecting end outer surface cover heating collapsible tube; or be coated in the corrosion resistant coating of copper aluminium connecting end outer surface, or plastic-blasting or soak the isolation layer of moulding at copper aluminium connecting end outer surface.
6, the copper aluminium composite connector that is used for air conditioner according to claim 4 is characterized in that: described corrosion protective covering is the metallic zinc layer that covers copper pipe and aluminum pipe connecting end outer surface by plating, hot dipping or thermal spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620063218 CN200975566Y (en) | 2006-08-22 | 2006-08-22 | Copper aluminum composite adapter connector used for air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620063218 CN200975566Y (en) | 2006-08-22 | 2006-08-22 | Copper aluminum composite adapter connector used for air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200975566Y true CN200975566Y (en) | 2007-11-14 |
Family
ID=38901851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620063218 Expired - Fee Related CN200975566Y (en) | 2006-08-22 | 2006-08-22 | Copper aluminum composite adapter connector used for air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200975566Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855162A (en) * | 2015-12-09 | 2017-06-16 | 王翔 | A kind of anticorrosion air-conditioner pipe |
| CN110906070A (en) * | 2019-11-28 | 2020-03-24 | 浙江宏泽自动化设备有限公司 | Copper aluminum welded pipe |
| CN113263244A (en) * | 2021-05-08 | 2021-08-17 | 天津大学 | Welding method suitable for easily oxidized alloy thin-walled tube |
| CN117064540A (en) * | 2023-08-11 | 2023-11-17 | 南京康友医疗科技有限公司 | Microwave ablation antenna |
-
2006
- 2006-08-22 CN CN 200620063218 patent/CN200975566Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855162A (en) * | 2015-12-09 | 2017-06-16 | 王翔 | A kind of anticorrosion air-conditioner pipe |
| CN110906070A (en) * | 2019-11-28 | 2020-03-24 | 浙江宏泽自动化设备有限公司 | Copper aluminum welded pipe |
| CN113263244A (en) * | 2021-05-08 | 2021-08-17 | 天津大学 | Welding method suitable for easily oxidized alloy thin-walled tube |
| CN117064540A (en) * | 2023-08-11 | 2023-11-17 | 南京康友医疗科技有限公司 | Microwave ablation antenna |
| CN117064540B (en) * | 2023-08-11 | 2024-03-12 | 南京康友医疗科技有限公司 | Microwave ablation antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |