CN200943913Y - Integral air conditioner using aluminum-made refrigeration pipe - Google Patents
Integral air conditioner using aluminum-made refrigeration pipe Download PDFInfo
- Publication number
- CN200943913Y CN200943913Y CNU2006200630134U CN200620063013U CN200943913Y CN 200943913 Y CN200943913 Y CN 200943913Y CN U2006200630134 U CNU2006200630134 U CN U2006200630134U CN 200620063013 U CN200620063013 U CN 200620063013U CN 200943913 Y CN200943913 Y CN 200943913Y
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- China
- Prior art keywords
- pipe
- aluminum
- copper
- package
- aluminium
- 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
- 238000005057 refrigeration Methods 0.000 title claims description 27
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 79
- 238000003466 welding Methods 0.000 claims abstract description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 235000010210 aluminium Nutrition 0.000 claims description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 74
- 229910052802 copper Inorganic materials 0.000 claims description 74
- 239000010949 copper Substances 0.000 claims description 74
- 239000004411 aluminium Substances 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 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
- 238000007747 plating Methods 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 229910000906 Bronze Inorganic materials 0.000 abstract 5
- 239000010974 bronze Substances 0.000 abstract 5
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract 5
- 238000001816 cooling Methods 0.000 abstract 3
- -1 aluminum compound Chemical class 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000004927 fusion Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- ZZGXRPGQPAPARK-UWVGGRQHSA-N 3-[(5r,6r)-1-azabicyclo[3.2.1]octan-6-yl]-4-propylsulfanyl-1,2,5-thiadiazole Chemical compound C1([C@H]2CN3C[C@@]2(CCC3)[H])=NSN=C1SCCC ZZGXRPGQPAPARK-UWVGGRQHSA-N 0.000 description 1
- 101710092224 Phosphate propanoyltransferase Proteins 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an integral type air conditioner which employs an aluminum cooling pipeline. The utility model employs a new structure in the air conditioner. The principal improvement of the utility model is that: replace the condenser and/or the evaporator with a pipe type heat exchanger or a pipe and belt type heat exchanger with the wing plate made of the aluminum or aluminum alloy on the basis of the existing integral type air conditioner which adopts the aluminum cooling pipeline; a compound transitional pipe whose one end is a bronze pipe and the other end is an aluminum pipe is positioned between an inlet and outlet end of the condenser and/or the evaporator and a connecting pipeline. The utility model overcomes the shortage of low heat exchange efficiency of the aluminum cooling pipe and maintains the same heat conduction effect with that of the bronze wing plate type heat exchanger while cutting down the manufacturing cost and weight of the air conditioner. Due to the application of the bronze and aluminum compound transitional pipe as fitting, the integral type air conditioner needs no welding of the aluminum and bronze in the existing general assembly production line of the air conditioner and needs only the braze welding process between the bronze pipes which can not change the overall assembly production line.
Description
Technical field
The utility model relates to the air-conditioner technical field, is specifically related to use the improvement technology of the package AC plant of aluminium-made refrigeration pipeline.
Background technology
The refrigeration system of package AC plant (comprising window air conditioner, moveable air conditioner dehumidifier and other refrigeration air-conditioner) comprises compressor, condenser, throttle part, evaporimeter and is connected the auxiliary connecting line of these parts, all uses copper pipe and copper fitting usually.Because the price of copper is higher, use copper to increase production cost as the pipeline of refrigeration system.In addition, the proportion of copper is about 8.9, and air-conditioner complete machine weight is also bigger.For the outlet air-conditioner that uses the container transportation, usually influence the vanning amount of air-conditioner owing to surpassing the container Maximum Permissible Weight, also increased the cost of transportation of air-conditioner.Because aluminum is a light metal, price is low, therefore uses aluminium to become desirable selection as the pipeline of refrigeration system.
Use aluminium-made refrigeration pipeline to be used widely in the air conditioning for automobiles field.But, be difficult on package AC plant, apply because its heat exchange efficiency is low and the restriction of processing technology.Test shows, because the restriction of package AC plant version and size, under identical air quantity and air channel structure, the heat transfer efficiency of aluminum pipe finned heat exchanger has only 70～80% of copper tube and fin formula heat exchanger, compare its heat transfer efficiency with the heat exchanger that uses inner screw thread copper pipe and have only 50～60%, can not satisfy the requirement of package AC plant exchange capability of heat.The more important thing is, use aluminum heat exchanger or refrigeration pipe to have a lot of integrity problems: the suction and exhaust ports of compressor all is a copper pipe at present, therefore certainly exist copper aluminium tie point in the whole refrigeration pipe, there is electrochemical corrosion in copper aluminium junction, if be in humidity or the trickle environment then corrode even more seriously, have a strong impact on the reliability of air-conditioner.Gas exhaust piping and return line vibration are bigger, use aluminum tube appearance of a street easy fracture.The aluminum tube connector is because thickness is difficult and fracture easily than macrobending, and the horn mouth of tube connector termination splits easily.The aluminum pipe that diameter is bigger is easy to generate stress damage when bend pipe, have a strong impact on the maximum withstand voltage properties of system.The problems referred to above make the application on detachable air conditioner of aluminum heat exchanger and aluminium-made refrigeration pipeline have a lot of technical problems and very big technical risk.
The utility model content
The technical problems to be solved in the utility model is to overcome the shortcoming of prior art, improves at the air-conditioner that uses aluminium-made refrigeration pipeline, and the aluminium-made refrigeration pipeline package AC plant in a kind of high heat exchange efficiency, high service life is provided.
Described package AC plant, comprise window air conditioner (comprising Casement, TTW and PTAC), moveable air conditioner, dehumidifier and other refrigeration air-conditioner, be meant that the refrigeration system of being made up of compressor, condenser, throttle part, evaporimeter is arranged in the body structure, this body structure can and must integral installation or whole moving.
The technical solution of the utility model is: a kind of package AC plant that uses aluminium-made refrigeration pipeline, comprise the refrigeration system of being made up of compressor, condenser, throttle part, evaporimeter and connecting line, it is characterized in that: described condenser and/or evaporimeter are fin-tube heat exchanger or the tube-strip heat exchangers of being made by aluminium or aluminum alloy materials; Being provided with an end between the entrance end of described condenser and/or evaporimeter and the connecting line is that copper pipe, the other end are the compound transition conduit of aluminum pipe.
Described fin-tube heat exchanger is to be that 5～12 millimeters, the sheet spacing of fin are that 0.9～2.0 millimeter aluminum pipe or aluminium-alloy pipe are made by external diameter, the fin of punching is through and carries out mechanical expanding on the pipe pipe is combined closely with fin, is connected with the elbow by aluminum pipe or aluminium alloy control between the pipe.Perhaps described tube-strip heat exchanger is by highly being that 1.8～3.6 millimeters, width are that 18～32 millimeters aluminums or aluminium alloy system porous flat pipe and S shape heat-radiation belt are formed by connecting.
Suitably reduce caliber, adjust spacing of fin, can effectively improve the heat transfer efficiency of aluminum pipe finned heat exchanger.But caliber is too small, and the intraductal heat transfer area reduces also can reduce the exchange capability of heat of heat exchanger, and the pressure drop of refrigerating circuit increases the refrigerating efficiency reduction.When spacing of fin increased, the heat transfer area of air side and mean residence time were all less, and were difficult for forming turbulent flow; Spacing of fin is overstocked, and not only noise increases, and the easy frosting of heat exchanger surface when heating.When the evaporimeter in the heat exchanger is to be that 5～10 millimeters, the sheet spacing of fin are 0.8～1.8 millimeter aluminum pipe or aluminium-alloy pipe when making by external diameter, and such size can reach better effect.By a large amount of tests, the experimental study of carrying out on air-conditioner shows, a kind of heat exchanger caliber of the best is 9 millimeters, spacing of fin is 1.8 millimeters, use the heat transfer efficiency of the heat transfer efficiency of heat exchanger of this parameter and the copper tube and fin formula heat exchanger that prototype uses suitable substantially, and the reliability test of impacting by high low temperature, high-low pressure show that it can be used in the family expenses package AC plant.
Connected by the compound transition conduit of copper aluminium between the aluminum pipe of the copper pipe of described refrigeration connecting line and condenser, evaporimeter, this compound transition conduit comprises that by copper pipe section that is welded to connect and aluminum pipe section, the wall ratio copper pipe of aluminum pipe is big 0.1～0.5 millimeter; Copper pipe has a length at the mouth of pipe place with the aluminum pipe link be 6～20 millimeters reducing section, and aluminum pipe has a length at the mouth of pipe place with the copper pipe link 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 faying face 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.The copper pipe end of compound transition conduit and the copper pipe in the refrigeration pipe are weldingly connected, and the aluminum pipe end of this compound transition conduit links to each other with the Al pipe butt welding of condenser, evaporimeter.Like this, on production line, do not need to carry out copper and aluminium welding and connect, as long as and carry out the welding of copper pipe and copper pipe or the welding between aluminum pipe and the aluminum pipe, improved production efficiency and welding reliability.
The corrosion protective covering that described copper aluminium link outer surface covers; be at copper pipe and aluminum pipe link outer surface cover heating collapsible tube; or be coated in the corrosion resistant coating of copper aluminium link outer surface; or plastic-blasting or soak the insulating barrier of moulding at copper aluminium link outer surface, or cover the metallic zinc layer of copper pipe and aluminum pipe link outer surface by plating, hot dipping or thermal spraying.
Compared with prior art, the air-conditioner of use aluminium-made refrigeration pipeline provided by the utility model, overcome the low shortcoming of heat exchange efficiency when using aluminium-made refrigeration pipeline in the prior art, when the heat transfer efficiency that reaches the copper tube and fin formula heat exchanger that uses with prototype is suitable substantially, reduce manufacturing cost of air conditioner, alleviated the weight of air-conditioner.And, owing to adopted the compound transition conduit of copper aluminium as accessory, making the package AC plant that uses aluminium-made refrigeration pipeline not need to carry out copper and aluminium welding on existing air-conditioning assemble production line connects, as long as and carry out the soldering welding processing of copper pipe and copper pipe, do not need to change the general assembly production technology, improved production efficiency and welding reliability.
Description of drawings
Use the package AC plant of aluminium-made refrigeration pipeline to be further described below in conjunction with the drawings and the specific embodiments to the utility model:
Accompanying drawing 1: the structural representation of the utility model window air conditioner refrigeration system.
Accompanying drawing 2: the compound transition conduit topology view in the utility model.
The specific embodiment
The refrigeration system connecting line of window air conditioner is made up of compressor, condenser, throttle part, evaporimeter and connecting line in the present embodiment.As shown in Figure 1, exhaust outlet of compressor 101, blast pipe 102, condenser 104, capillary member 105, evaporimeter 106, muffler 107 and compressor return air mouth 108 are linked in sequence.
| External diameter | The sheet spacing | Air quantity | Refrigerating capacity | Power | Energy Efficiency Ratio | Remarks |
| 7 | 0.8 | 454 | 3106 | 1189 | 2.61 | |
| 7 | 1.5 | 500 | 3246 | 1150 | 2.82 | |
| 9.52 | 1.4 | 485 | 3170 | 1162 | 2.73 | |
| 9.52 | 1.8 | 492 | 3034 | 1175 | 2.58 | |
| 14 | 1.8 | 463 | 2993 | 1187 | 2.52 | Pipe bent position has fine wrinkle |
| 14 | 2.2 | 477 | 2924 | 1172 | 2.49 | Pipe bent position has fine wrinkle |
Wherein the import and export of evaporimeter 106 and condenser 104 all is welded with a transition conduit 103.Transition conduit 103 is to be closed by the copper pipe section that the aluminum pipe section is compound to be formed by connecting, it is an aluminum pipe with the end that evaporimeter links to each other with condenser, an end that links to each other with blast pipe 102, muffler 107, capillary member 105 is a copper pipe, blast pipe 102, muffler 107, capillary member 105 also adopt copper pipe, accessory when transition conduit 103 only connects as one like this, the stress damage that has produced in the bend pipe process when having avoided whole employing aluminum pipe has a strong impact on the problem of the maximum withstand voltage properties of system.As shown in Figure 2, the copper pipe section external diameter of transition conduit 103 is 6 millimeters, and wall thickness is 0.5 millimeter, and an end that links to each other with the aluminum pipe section has a throat structure, about 12 millimeters of reducing segment length; Aluminum pipe section external diameter is 6 millimeters, and wall thickness is 0.8 millimeter; An end that links to each other with the copper pipe section has an enlarging structure, about 12 millimeters of flared section length.As shown in Figure 2, copper pipe 201 reducing section external diameters and aluminum pipe 202 flared section internal diameters match, and the copper pipe reducing partly is plugged into the enlarging structure of aluminum pipe.Copper pipe and aluminum pipe weld by electric resistance welding method, and the welding fusion face is on the copper aluminium faying face 203 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 204 by plastic-blasting.Be coated with corrosion resistant coating perhaps at copper aluminium link outer surface cover heating collapsible tube, or at copper aluminium link outer surface.Can certainly cover the metallic zinc layer at copper aluminium link outer surface by plating, hot dipping or heat spraying method.
In accompanying drawing 1, exhaust outlet 101, the return-air mouth 108 of compressor are copper pipes, connect the blast pipe 102 between exhaust outlet of compressor 101 and the condenser 104, muffler 107 and the capillary member 105 that is connected between compressor return air mouth 108 and the evaporimeter 106 all is copper pipe, these connecting lines and the junction of the evaporimeter 106 that is welded with the compound transition conduit 103 of copper aluminium, condenser 104 also are copper pipes and being connected of copper pipe.Like this, on existing air-conditioning assemble production line, do not need to carry out copper and aluminium welding and connect, as long as and carry out the soldering welding processing of copper pipe and copper pipe, do not need to change the general assembly production technology, improved production efficiency and welding reliability.Gas exhaust piping and return line have been avoided owing to use the drawback of aluminum tube appearance of a street easy fracture.
Claims (10)
1, a kind of package AC plant that uses aluminium-made refrigeration pipeline, comprise the refrigeration system of being made up of compressor, condenser, throttle part, evaporimeter and connecting line, it is characterized in that: described condenser and/or evaporimeter are fin-tube heat exchanger or the tube-strip heat exchangers of being made by aluminium or aluminum alloy materials; Being provided with an end between the entrance end of described condenser and/or evaporimeter and the connecting line is that copper pipe, the other end are the compound transition conduit of aluminum pipe.
2, package AC plant according to claim 1 is characterized in that: described fin-tube heat exchanger is to be that 5～12 millimeters, fin sheet spacing are that 0.9～2.0 millimeter aluminum pipe or aluminium-alloy pipe made by external diameter.
3, package AC plant according to claim 2 is characterized in that: described fin-tube heat exchanger is through by the fin of punching and carries out mechanical expanding on the pipe pipe and fin are combined closely, and is connected with the elbow by aluminum pipe or aluminium alloy control between the pipe.
4, package AC plant according to claim 1 is characterized in that: described tube-strip heat exchanger is by highly being that 1.8～3.6 millimeters, width are that 18～32 millimeters aluminums or aluminium alloy system porous flat pipe and S shape heat-radiation belt are formed by connecting.
5, package AC plant according to claim 1, it is characterized in that: copper pipe one end of described compound transition conduit is provided with the reducing section, aluminum pipe is provided with at the link 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.
6, according to each described package AC plant of claim 1 to 5, it is characterized in that: the wall ratio copper pipe of described aluminum pipe is big 0.1～0.5 millimeter.
7, package AC plant according to claim 6 is characterized in that: the reducing segment length of described copper pipe link is 6～20 millimeters, and the flared section length of aluminum pipe link is corresponding with the reducing segment length.
8, package AC plant according to claim 7 is characterized in that: described copper pipe reducing section is connected by electric resistance welding with the aluminum pipe flared section.
9, package AC plant according to claim 8 is characterized in that: the outer surface of described copper pipe and aluminum pipe link covers corrosion protective covering.
10, package AC plant according to claim 9; it is characterized in that: described corrosion protective covering is at copper pipe and aluminum pipe link outer surface cover heating collapsible tube; or be coated in the corrosion resistant coating of copper aluminium link outer surface; or plastic-blasting or soak the insulating barrier of moulding at copper aluminium link outer surface, or cover the metallic zinc layer of copper pipe and aluminum pipe link outer surface by plating, hot dipping or thermal spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200630134U CN200943913Y (en) | 2006-08-16 | 2006-08-16 | Integral air conditioner using aluminum-made refrigeration pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200630134U CN200943913Y (en) | 2006-08-16 | 2006-08-16 | Integral air conditioner using aluminum-made refrigeration pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943913Y true CN200943913Y (en) | 2007-09-05 |
Family
ID=38718549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200630134U Expired - Fee Related CN200943913Y (en) | 2006-08-16 | 2006-08-16 | Integral air conditioner using aluminum-made refrigeration pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200943913Y (en) |
-
2006
- 2006-08-16 CN CNU2006200630134U patent/CN200943913Y/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: 20070905 Termination date: 20090916 |