CN201191112Y - Refrigeration facilities tubing for air-conditioner - Google Patents
Refrigeration facilities tubing for air-conditioner Download PDFInfo
- Publication number
- CN201191112Y CN201191112Y CNU2008200457924U CN200820045792U CN201191112Y CN 201191112 Y CN201191112 Y CN 201191112Y CN U2008200457924 U CNU2008200457924 U CN U2008200457924U CN 200820045792 U CN200820045792 U CN 200820045792U CN 201191112 Y CN201191112 Y CN 201191112Y
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- pipe
- air
- steel pipe
- refrigeration plant
- copper
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Abstract
The utility model discloses a refrigeration unit pipe for air conditioners, which comprises steel pipes and copper pipes respectively connected with two ends of the steel pipe, wherein the connections between the steel pipes and between the steel pipes and the copper pipes are all coated by a corrosion resistance protective layer, therefore, the refrigeration unit pipe has flexibility, corrosion resistance and processing ability. The refrigeration unit pipe can effective resist corrosion, reduce copper consumption and reduce the weight of air conditioners.
Description
Technical field
The utility model relates to a kind of refrigeration plant pipe arrangement that is used for air-conditioner, more specifically the say so blast pipe of connection compressor and the pipe arrangement of muffler.
Background technology
In recent years, the price height of copper, use copper pipe and copper fitting to make the air-conditioner cost very high as the pipeline of refrigeration system, cause the profit of household electrical appliances manufacturing enterprise to descend, so in air-conditioner, begin to adopt other lighter weight and lower-cost metal tube to replace copper pipe, with the overall weight of minimizing air-conditioner, thus the cost of reduction air-conditioner.In order to reach antiseptic effect; surfaces externally and internally carries out passivation and preservative treatment; outer surface adopts electrophoresis to add weatherability powder polyester powder injection process and electrophoresis to add weatherability powder polyester and dust and add crosslinking with radiation type thermal shrinkable sleeve technology again; but also there are some problems in this kind structure: during with the metal tube that increases anticorrosive coat and compressor of air conditioner or the welding of other pipe fittings; because the temperature of welding is too high, anticorrosive coat will be destroyed, thereby make metal tube not have the anti-corrosion protection effect.
The utility model content
At the shortcoming of prior art, the purpose of this utility model provide a kind of can be effectively anticorrosion, reduce the consumption of copper and alleviate the refrigeration plant pipe arrangement that is used for air-conditioner of air-conditioner weight.
For achieving the above object, the technical solution of the utility model is: a kind of refrigeration plant pipe arrangement that is used for air-conditioner comprises steel pipe and is connected to the copper pipe at steel pipe two ends.
The junction of this steel pipe and steel pipe and copper pipe all is coated with corrosion protective covering; surfaces externally and internally carries out passivation and preservative treatment, and outer surface adopts electrophoresis to add weatherability powder polyester powder injection process and electrophoresis to add weatherability powder polyester and dust and add crosslinking with radiation type thermal shrinkable sleeve technology again and make.
Copper pipe and steel pipe can weld together by electric resistance welding or method for welding.
Copper pipe has a flared section at the mouth of pipe place with the steel pipe link, and the flared section internal diameter of copper pipe matches with the external diameter of steel pipe, and steel pipe is plugged in the flared section of copper pipe.Copper pipe and steel pipe link together by being clasped; Certainly, copper pipe and steel pipe also can cooperate together by spiral.
This steel pipe is a U type pipe, and its bottom is for connecting the circular arc type pipeline section between its two side pipe.
This steel pipe adopts the low carbon stainless steel pipe, has high flexibility, processes.
Compared with prior art, refrigeration plant pipe arrangement provided by the utility model, make by steel pipe and the copper pipe that is connected to the steel pipe two ends, reduced the consumption of copper, because pipe quality is light and cost is lower, so can effectively alleviate the overall weight of air-conditioner and reduce manufacturing cost of air conditioner.
In addition, compared with prior art, the utility model need not the equal protective mulch of whole pipe arrangement, and only needs at the junction of steel pipe and copper pipe and steel pipe surface coverage corrosion protective covering, so protective layer is destroyed can effectively avoid pipe arrangement and other accessories of air-conditioner to weld the time.
Description of drawings
Fig. 1 is the structural representation of the utility model refrigeration plant pipe arrangement junction;
Fig. 2 is the utility model join pipe structure of refrigeration equipment schematic diagram;
Fig. 3 is the structural representation of detachable air conditioner.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This refrigeration plant pipe arrangement is used for detachable air conditioner, and as shown in Figures 1 and 2, the refrigeration plant pipe arrangement comprises steel pipe 101 and is connected to the copper pipe 102 at steel pipe 101 two ends.Wherein, this steel pipe 101 adopts low carbon stainless steel pipes, and steel pipe 101 and steel pipe 101 and two copper pipes, 102 junctions all are coated with corrosion protective covering.When this pipe arrangement was used to connect the blast pipe of compressor and muffler, a copper pipe 102 outboard ends in this pipe arrangement linked to each other with compressor, and the outboard end of another copper pipe 102 links to each other with reversal valve.This steel pipe is a U type pipe, and its bottom is for connecting the circular arc type pipeline section between its two side pipe.
Above-mentioned steel pipe refers to external diameter at 4.6～10.6 millimeters fine steel tube, and it is normally by cold-strip steel thin plate pipe crimping, welding, zinc-plated finishing.In the present embodiment, the external diameter of steel pipe 101 is 9.52 millimeters, and wall thickness t1 is 0.5 millimeter; One end of the copper pipe 102 that links to each other with steel pipe 101 is the flared section 102a with an enlarging structure, and the length of flared section 102a is about 12 millimeters.The internal diameter of copper pipe 102 is 9.52 millimeters, and wall thickness t2 is 0.75 millimeter.The internal diameter cunning of the external diameter of steel pipe 101 and copper pipe flared section 102a is joined, and steel pipe 101 is plugged into copper pipe 102 in the flared section 102a of copper pipe 102.Particularly, this copper pipe and steel pipe can link together by being clasped, and in addition, copper pipe and steel pipe also can cooperate together by spiral.
Copper pipe 102 is connected together by electric resistance welding method welding or soldering with steel pipe 101, and wherein the welding temperature of soldering is 200～400 ℃.Welding fusion face 104 is on the faying face of the copper pipe 102 of bayonet joint and steel pipe 101, and the width of welding fusion face 104 is about 8～12 millimeters.There is not different metal contact-making surface potential difference and causes couple corrosion for the pipe arrangement that is welded.
The welding back is cleaned the outer surface of pipe arrangement; all cover corrosion protective covering at steel pipe 101 and steel pipe 101 and two copper pipes, 102 junctions again; specifically can adopt electrophoresis to add weatherability powder polyester powder injection process and electrophoresis at steel pipe 101 and steel pipe 101 and two copper pipes, 102 junction outer surfaces adds weatherability powder polyester and dusts and add crosslinking with radiation type thermal shrinkable sleeve technology again and make; corrosion protective covering should not cover pipe arrangement fully; only need to cover steel pipe 101; copper pipe 102 and position, steel pipe 101 junction; in order to avoid can not ensure cleannes during the welding of copper pipe 102 1 ends and compressor or reversal valve, anticorrosion by mechanical masking and cathodic protection synergy like this.
And determine for the length of the copper pipe 102 of steel pipe 101 two ends welding, if copper pipe 102 keep length too short when making welding the temperature of steel pipe 101 too high, destroy the corrosion protective covering on steel pipe 101 surfaces by the heat conduction.Press linear thermal losses analysis through lot of experiment validation and in conjunction with ANSYS thermal stress mode, the optimum length of determining copper pipe 120 is between 60～100mm.
As shown in Figure 3, be the structural representation of detachable air conditioner.The blast pipe of outdoor compressor 201 and muffler are the refrigeration plant pipe arrangements among the figure, what link to each other with the exhaust outlet of compressor 201 is exhaust refrigeration plant pipe arrangement 202, and the condenser 203 that links to each other with exhaust refrigeration plant pipe arrangement 202 is fin-tube type heat exchangers of being made by copper pipe and aluminium foil.Condenser 203 is connected with throttle part capillary module 205 by one section tube connector 204, and the link of capillary module 205 is copper pipes.Capillary 205 is connected with two logical stop valves 206 on being fixed on the valve installing plate, two logical stop valves 206 link to each other with indoor set subsidiary conduit 208 by indoor and outdoor connecting pipe 207, indoor machine evaporation 209 links to each other with another indoor set subsidiary conduit 210, another indoor set subsidiary conduit 210 links to each other with another indoor and outdoor connecting pipe 211, another indoor and outdoor connecting pipe 211 is connected with three-way cut-off valve 212 on being fixed on off-premises station valve installing plate, and three-way cut-off valve 212 links to each other with the return-air mouth of compressor 201 by return-air auxiliary piping 213.
Equally, this pipe arrangement also can be applicable in the auxiliary connecting line of air-conditioner, the pipeline that indoor and outdoor connecting pipe 207 as shown in Figure 3 and indoor set subsidiary conduit 208 all can adopt similar the utility model structure.
In the utility model, because this refrigeration plant pipe arrangement is to pre-install processing beyond the air conditioner assembling line, do not needing to carry out welding between copper pipe and the coupling on the final assembly production line by soldering or electric resistance welding, as long as carry out the welding of copper pipe and copper pipe joint, can use existing soldering processes, do not need to change the general assembly production technology, so processing technology is simple, reliability is high.
In addition, the elastic modelling quantity of the modular ratio copper pipe of steel pipe will be larger about 1 times, if the deformation energy that will cause two kinds of material pipelines to be out of shape identical absorption so just differs similar 1 times, therefore under the situation that the energy of compressor circuit system remains unchanged, after the appropriate design air conditioner piping structure, the distortion of the needed steel pipe of these energy of dissipating is just smaller, it is big that copper pipe is wanted, thereby use compound pipe arrangement air conditioner vibration and air conditioner piping vibration to reduce, reduce pipeline stress, improve functional reliability.
Claims (10)
1, a kind of refrigeration plant pipe arrangement that is used for air-conditioner is characterized in that the copper pipe that comprises steel pipe and be connected to the steel pipe two ends.
2, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 1, it is characterized in that: this steel pipe is a stainless steel tube.
3, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 2, it is characterized in that: the junction of this steel pipe and steel pipe and copper pipe all is coated with corrosion protective covering.
4, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 3 is characterized in that: the anti-corrosion protection laminar surface adopts electrophoresis to add weatherability powder polyester powder injection process or electrophoresis to add weatherability powder polyester and dust and add crosslinking with radiation type thermal shrinkable sleeve technology again and make.
5, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 3 is characterized in that: copper pipe and steel pipe are by electric resistance welding or method for welding welding.
6, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 3, it is characterized in that: copper pipe has a flared section at the mouth of pipe place with the steel pipe link, and the flared section internal diameter of copper pipe matches with the external diameter of steel pipe, and steel pipe is plugged in the flared section of copper pipe.
7, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 6, it is characterized in that: copper pipe and steel pipe link together by being clasped.
8, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 6, it is characterized in that: copper pipe and steel pipe cooperate together by spiral.
9, according to each described refrigeration plant pipe arrangement that is used for air-conditioner of claim 1 to 8, it is characterized in that: this steel pipe is a U type pipe.
10, the refrigeration plant pipe arrangement that is used for air-conditioner according to claim 9 is characterized in that: the bottom of this steel pipe is for connecting the circular arc type pipeline section between its two side pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457924U CN201191112Y (en) | 2008-04-01 | 2008-04-01 | Refrigeration facilities tubing for air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200457924U CN201191112Y (en) | 2008-04-01 | 2008-04-01 | Refrigeration facilities tubing for air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191112Y true CN201191112Y (en) | 2009-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200457924U Expired - Fee Related CN201191112Y (en) | 2008-04-01 | 2008-04-01 | Refrigeration facilities tubing for air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191112Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089586A (en) * | 2013-02-22 | 2013-05-08 | 东莞市金瑞五金制品有限公司 | Manufacture method and application of compressor and compressor pipe fittings |
| CN103148566A (en) * | 2013-03-26 | 2013-06-12 | 东莞市金瑞五金制品有限公司 | Air conditioning tube |
| CN103335175A (en) * | 2013-07-19 | 2013-10-02 | 广东志高空调有限公司 | Air conditioner connecting pipe and manufacturing method thereof |
| CN103982953A (en) * | 2014-05-14 | 2014-08-13 | 李静 | Indoor and outdoor unit connection pipe for splitting type heat pump and refrigeration equipment |
| JP2018112350A (en) * | 2017-01-11 | 2018-07-19 | ダイキン工業株式会社 | Air conditioner and indoor unit |
| CN109004779A (en) * | 2017-06-06 | 2018-12-14 | 三菱日立电力系统株式会社 | The hollow metal of rotary electric machine, rotating electric machine, hollow metal manufacturing method |
| CN109465354A (en) * | 2018-10-15 | 2019-03-15 | 长沙格力暖通制冷设备有限公司 | Air conditioner phi 5 heat exchanger full-deepened tube expansion forming process, tube heat exchanger and air conditioner |
| CN114174727A (en) * | 2019-07-31 | 2022-03-11 | 大金工业株式会社 | Refrigeration device and refrigerant piping for the same |
| CN114630996A (en) * | 2019-11-01 | 2022-06-14 | 大金工业株式会社 | Plate-type refrigerant pipe and refrigeration device |
| WO2022227757A1 (en) * | 2021-04-30 | 2022-11-03 | 浙江盾安人工环境股份有限公司 | Gas collection pipe and heat exchanger assembly having same |
| US12104832B2 (en) | 2019-07-31 | 2024-10-01 | Daikin Industries, Ltd. | Refrigeration apparatus with stainless steel four-way switching valve and stainless steel pipes connected thereto |
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2008
- 2008-04-01 CN CNU2008200457924U patent/CN201191112Y/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089586B (en) * | 2013-02-22 | 2015-10-28 | 东莞市金瑞五金制品有限公司 | The manufacture method of a kind of compressor and pipe fitting thereof and application |
| CN103089586A (en) * | 2013-02-22 | 2013-05-08 | 东莞市金瑞五金制品有限公司 | Manufacture method and application of compressor and compressor pipe fittings |
| CN103148566A (en) * | 2013-03-26 | 2013-06-12 | 东莞市金瑞五金制品有限公司 | Air conditioning tube |
| CN103148566B (en) * | 2013-03-26 | 2016-05-04 | 东莞市金瑞五金制品有限公司 | A kind of air conditioner piping |
| CN103335175A (en) * | 2013-07-19 | 2013-10-02 | 广东志高空调有限公司 | Air conditioner connecting pipe and manufacturing method thereof |
| CN103982953A (en) * | 2014-05-14 | 2014-08-13 | 李静 | Indoor and outdoor unit connection pipe for splitting type heat pump and refrigeration equipment |
| JP2018112350A (en) * | 2017-01-11 | 2018-07-19 | ダイキン工業株式会社 | Air conditioner and indoor unit |
| JP7215819B2 (en) | 2017-01-11 | 2023-01-31 | ダイキン工業株式会社 | Air conditioner and indoor unit |
| CN110168288A (en) * | 2017-01-11 | 2019-08-23 | 大金工业株式会社 | Air-conditioning device and indoor unit |
| US11121591B2 (en) | 2017-06-06 | 2021-09-14 | Mitsubishi Power, Ltd. | Hollow metal part of stator of rotating electrical machine, rotating electrical machine, and manufacturing process of hollow metal part |
| CN109004779A (en) * | 2017-06-06 | 2018-12-14 | 三菱日立电力系统株式会社 | The hollow metal of rotary electric machine, rotating electric machine, hollow metal manufacturing method |
| CN109004779B (en) * | 2017-06-06 | 2021-07-16 | 三菱动力株式会社 | Hollow metal member for stator of rotating electric machine, and method for manufacturing hollow metal member |
| CN109465354B (en) * | 2018-10-15 | 2021-06-29 | 长沙格力暖通制冷设备有限公司 | Air conditioner phi 5 heat exchanger full-deepened tube expansion forming process, tube heat exchanger and air conditioner |
| CN109465354A (en) * | 2018-10-15 | 2019-03-15 | 长沙格力暖通制冷设备有限公司 | Air conditioner phi 5 heat exchanger full-deepened tube expansion forming process, tube heat exchanger and air conditioner |
| CN114174727A (en) * | 2019-07-31 | 2022-03-11 | 大金工业株式会社 | Refrigeration device and refrigerant piping for the same |
| CN114174727B (en) * | 2019-07-31 | 2024-02-23 | 大金工业株式会社 | Refrigerating apparatus and refrigerant piping for the same |
| US12055328B2 (en) | 2019-07-31 | 2024-08-06 | Daikin Industries, Ltd. | Refrigeration apparatus and refrigerant pipe of the same refrigeration apparatus |
| US12104832B2 (en) | 2019-07-31 | 2024-10-01 | Daikin Industries, Ltd. | Refrigeration apparatus with stainless steel four-way switching valve and stainless steel pipes connected thereto |
| CN114630996A (en) * | 2019-11-01 | 2022-06-14 | 大金工业株式会社 | Plate-type refrigerant pipe and refrigeration device |
| CN114630996B (en) * | 2019-11-01 | 2024-02-27 | 大金工业株式会社 | Plate-type refrigerant piping and refrigerating device |
| WO2022227757A1 (en) * | 2021-04-30 | 2022-11-03 | 浙江盾安人工环境股份有限公司 | Gas collection pipe and heat exchanger assembly having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |