CN109365949A - Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system - Google Patents
Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system Download PDFInfo
- Publication number
- CN109365949A CN109365949A CN201811578846.8A CN201811578846A CN109365949A CN 109365949 A CN109365949 A CN 109365949A CN 201811578846 A CN201811578846 A CN 201811578846A CN 109365949 A CN109365949 A CN 109365949A
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- pipeline
- nitrogen
- brazed
- protection against
- 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.)
- Pending
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 183
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 92
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000010949 copper Substances 0.000 title claims abstract description 82
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 82
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 30
- 230000003647 oxidation Effects 0.000 title claims abstract description 29
- 230000007704 transition Effects 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 26
- 230000003064 anti-oxidating effect Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000005476 soldering Methods 0.000 abstract description 13
- 238000003466 welding Methods 0.000 abstract description 9
- 238000004378 air conditioning Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005219 brazing Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The present invention provides a kind of multi-pipeline copper pipes to be brazed nitrogen charging protection against oxidation system, is related to pipeline welding anti-oxidation equipment technical field.Multi-pipeline copper pipe soldering nitrogen charging protection against oxidation system includes that sequentially connected gas cylinder, main connecting line part, multi-pipeline branch transition part, secondary connecting line part and nitrogen filled protection rise plug portion；Gas cylinder is for providing anti-oxidation required nitrogen and pressure, and multi-pipeline branch transition part is for separating each branch path, and secondary connecting line part includes multiple branch paths, and multiple branch paths are set side by side；Rise plug portion and copper pipe of nitrogen filled protection is to be detachably connected, and is blocked for copper pipe when will be in nitrogen charging state.It solves in the prior art, using the technical problem that traditional anti-oxidation mode scope of application is small, poor operability and service efficiency are low.The nitrogen filled protection of the invention plug portion that rises is detachably connected with copper pipe, applied widely, strong operability.
Description
Technical field
The present invention relates to pipelines to weld anti-oxidation equipment technical field, is brazed nitrogen charging more particularly, to a kind of multi-pipeline copper pipe
Protection against oxidation system.
Background technique
Copper tube is widely used in industry and civil air conditioner, the air-treatment unit and outdoor pressure of industry and civil air conditioner
Contracting unit is connected by copper tube, and for the pipeline of other materials, copper tube compression resistance is high, not perishable, uses the longevity
Life length；Refrigerant tubing is connect with evaporator and compressor, relative to the pipeline of other materials, the heating conduction of refrigeration copper tube
Height, heat transfer effect is good, and welding performance and mechanical strength are good, installs again suitable for air-conditioning telephone-moving.But because of the fusing point of copper pipe
Low, copper pipe welding mostly uses soldering, but finds during soldering, due to the metallic character of copper, under heating conditions
It is easy to that oxidation reaction generation oxide layer (CuO occurs with oxygen2=2CuO), when soldering excessive oxide generation, reduce
The lubricating action of refrigerant in air-conditioning refrigeration system, causes the insulating motor coil in compressor of air conditioner to be deteriorated, and aggravates
The abrasion of all parts in compressor in compression chamber shortens air-conditioning service life, causes air-conditioning power consumption to rise, air-conditioning system
Cold efficiency reduces, and will appear the blocking of the attachmentes such as pipeline, device for drying and filtering, electric expansion valve when serious, causes air-conditioning normal
Operation.
The existing method for preventing air-conditioning copper pipe from aoxidizing in soldering is: after copper tube arrangement installation, in brazed portions
Welding closure plate in distal end connects nitrogen cylinder later and is passed directly into nitrogen.Maintaining nitrogen charged pressure in the whole process is 0.2Mpa,
Continue nitrogen charging terminates to welding, and copper tube is completely cooled, prevents the oxidation of copper tube；After nitrogen is filled with, closure plate is removed
And it repeats the above steps and completes the soldering of subsequent copper pipe weld bond.
But there are some problems for the anti-oxidation method of existing nitrogen charging: needing in advance before being brazed copper pipe in copper pipe every time
Closure plate is welded at great distance end, needs to cut off one section of copper pipe that polishing is connect with closure plate simultaneously after copper pipe soldering, cumbersome and cause
The waste of copper pipe；It needs to select suitable closure plate according to the diameter of copper tube every time, a set of closure plate and nitrogen cylinder are only used for one
The anti-oxidation soldering of road copper pipe nitrogen filled protection, the scope of application is smaller, is unable to satisfy more than ten road copper in large-scale air cooling compressed air conditioner
Brazing requirements, service efficiency are low simultaneously for pipeline.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-pipeline copper pipes to be brazed nitrogen charging protection against oxidation system, to solve existing skill
Present in art, using the technical problem that traditional anti-oxidation mode scope of application is small, poor operability and service efficiency are low.
A kind of multi-pipeline copper pipe soldering nitrogen charging protection against oxidation system provided by the invention, including sequentially connected gas cylinder,
Main connecting line part, multi-pipeline branch transition part, secondary connecting line part and nitrogen filled protection rise plug portion；
The gas cylinder is for providing anti-oxidation required nitrogen and pressure, and multi-pipeline branch transition part is for separating
Each branch path, the secondary connecting line part includes multiple branch paths, and multiple branch paths are set side by side；The nitrogen filled protection rises plug
Part is to be detachably connected with copper pipe, is blocked for copper pipe when will be in nitrogen charging state.
Further, multi-pipeline branch transition part includes connecting pipe；
One end of the connecting pipe is connected to main connecting line part, and the other end of the connecting pipe is equipped with connection
Portion, the quantity of the interconnecting part be it is multiple, multiple interconnecting parts are set side by side, and each interconnecting part is correspondingly connected with each branch path.
Further, the connecting pipe includes the first connecting tube and the second connecting tube；
One end of first connecting tube is connected to main connecting line part, the other end and second of first connecting tube
Connecting tube connection, the interconnecting part are located in second connecting tube.
Further, the interconnecting part includes communication port and valve ejector pin valve, and the communication port is connected to branch path, described
Valve ejector pin valve is connected in communication port, separates each branch path for converting.
Further, multi-pipeline branch transition part further includes pressure gauge；
The pressure gauge is connected in the second connecting tube, the pressure of the gas for detecting multi-pipeline branch transition part.
Further, the nitrogen filled protection rise plug portion include the first binding clip, it is the second binding clip, rubber ring, tight
Fixing bolt and outer silk short tube；
One end of the outer silk short tube connects the first binding clip, the rubber ring, the second binding clip and fastening bolt
It is successively socketed on the other end of outer silk short tube from the bottom to top, is provided with external screw thread on the other end of the outer silk short tube, it is described
Fastening bolt is connect with external screw thread.
Further, non-return valve is additionally provided on multi-pipeline branch transition part.
Further, the gas cylinder is nitrogen cylinder.
Further, the outlet end of the nitrogen cylinder is equipped with cylinder pressure gauge and valve.
Further, multi-pipeline branch transition part further includes support frame；
First connecting tube and the second connecting tube are set on the support frame.
Multi-pipeline copper pipe provided by the invention is brazed nitrogen charging protection against oxidation system, the gas cylinder, main connecting line part,
Multi-pipeline branch transition part, secondary connecting line part and the nitrogen filled protection plug portion that rises are sequentially connected, and the gas cylinder is for providing
Nitrogen is transmitted to multi-pipeline branch transition part, multitube by main connecting line part by anti-oxidation required nitrogen and pressure
The separation to each branch path is realized in road branch transition part, is realized by secondary connecting line part nitrogen being transmitted to each branch
Road is risen the connection of plug portion and copper pipe by nitrogen filled protection, the closure of copper pipe when realizing to nitrogen charging state；Nitrogen filled protection rises plug
Part also meets different air-conditioning copper pipe calibers to connection while solving the problems, such as that the attended operation of traditional copper pipe closure plate is poor
It is required that substantially increasing the service efficiency that copper pipe is brazed anti-oxidation system；Relative to traditional closure plate for anti-oxidation method,
Closure plate welding and disassembly are avoided, the waste of air-conditioning copper pipe is reduced while reducing the duration, saves the totle drilling cost of construction.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that multi-pipeline copper pipe provided in an embodiment of the present invention is brazed nitrogen charging protection against oxidation system；
Fig. 2 is the multi-pipeline branch turn that multi-pipeline copper pipe provided in an embodiment of the present invention is brazed nitrogen charging protection against oxidation system
Change the main view of part；
Fig. 3 is the multi-pipeline branch turn that multi-pipeline copper pipe provided in an embodiment of the present invention is brazed nitrogen charging protection against oxidation system
Change the top view of part；
Fig. 4 is that multi-pipeline copper pipe provided in an embodiment of the present invention is brazed the nitrogen filled protection of nitrogen charging protection against oxidation system and rises plug
Partial structural schematic diagram.
Icon: 100- gas cylinder；The main connecting line part 200-；300- multi-pipeline branch transition part；400- connecting tube
Road part；500- nitrogen filled protection rises plug portion；101- cylinder pressure gauge；102- valve；401- branch path；301- connecting pipe；
The first connecting tube of 302-；The second connecting tube of 303-；304- interconnecting part；305- communication port；306- valve ejector pin valve；307- pressure
Table；308- support frame；The first binding clip of 501-；The second binding clip of 502-；503- rubber ring；504- fastening bolt；505-
Outer silk short tube.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, such as there is term "
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
The present invention provides a kind of multi-pipeline copper pipes to be brazed nitrogen charging protection against oxidation system, and the multi-pipeline copper pipe soldering is filled
Nitrogen protection against oxidation system includes sequentially connected gas cylinder 100, main connecting line part 200, multi-pipeline branch transition part
300, secondary connecting line part 400 and nitrogen filled protection rise plug portion 500；The gas cylinder 100 is for providing anti-oxidation required nitrogen
Gas and pressure, multi-pipeline branch transition part 300 are wrapped for separating each branch path 401, the secondary connecting line part 400
Multiple branch paths 401 are included, multiple branch paths 401 are set side by side；Rise plug portion 500 and copper pipe of the nitrogen filled protection is detachably to connect
It connects, is blocked for copper pipe when will be in nitrogen charging state.
As shown in Figure 1, a kind of multi-pipeline copper pipe provided by the invention is brazed nitrogen charging protection against oxidation system, gas cylinder 100, master
Connecting line part 200, multi-pipeline branch transition part 300, secondary connecting line part 400 and nitrogen filled protection rise plug portion 500
Be sequentially connected, the main connecting line part 200 be connecting tube, the gas cylinder 100 for provide anti-oxidation required nitrogen and
Nitrogen is transmitted to multi-pipeline branch transition part 300, multi-pipeline branch transition portion by main connecting line part 200 by pressure
Divide separation of 300 realizations to each branch path 401, is realized by secondary connecting line part 400 and nitrogen is transmitted to each branch path
401, it is connect by the nitrogen filled protection plug portion 500 that rises with copper pipe, the closure of copper pipe when realizing to nitrogen charging state；Nitrogen filled protection rises
Plug portion 500 also meets different air-conditioning copper pipe calibers pair while solving the problems, such as that the attended operation of traditional copper pipe closure plate is poor
The requirement of connection substantially increases the service efficiency that copper pipe is brazed anti-oxidation system；The side anti-oxidation relative to traditional closure plate
For method, closure plate welding and disassembly are avoided, the waste of air-conditioning copper pipe is reduced while reducing the duration, saves construction
Totle drilling cost.
Further, multi-pipeline branch transition part 300 includes connecting pipe 301；The one of the connecting pipe 301
End is connected to main connecting line part 200, and the other end of the connecting pipe 301 is equipped with interconnecting part 304, the interconnecting part
304 quantity be it is multiple, multiple interconnecting parts 304 are set side by side, and each interconnecting part 304 is correspondingly connected with each branch path 401.
As shown in Figure 1-3, the front end of the connecting pipe 301 is connected to main connecting line part 200, the connecting pipe
301 rear end is equipped with interconnecting part 304, the quantity of the interconnecting part 304 be it is multiple, multiple interconnecting parts 304 are set side by side, each
Interconnecting part 304 is correspondingly connected with each branch path 401；The connection of connection respective numbers can be selected according to the quantity of branch path 401
Portion 304 guarantees to carry out the anti-oxidation operation of nitrogen charging to multiple air-conditioning copper tubes simultaneously, applied widely.
Further, the connecting pipe 301 includes the first connecting tube 302 and the second connecting tube 303；First connection
One end of pipe 302 is connected to main connecting line part 200, and the other end of first connecting tube 302 and the second connecting tube 303 connect
Logical, the interconnecting part 304 is located in second connecting tube 303.
As shown in Figure 1-3, the front end of first connecting tube 302 is connected to main connecting line part 200, described first connects
The rear end of adapter tube 302 is connected to the second connecting tube 303, and second connecting tube 303 is equipped with interconnecting part 304, realizes main connection
Conversion and connection of the pipeline portions 200 to secondary connecting line part 400.
It should be noted that preferably, second connecting tube 303 is perpendicular to the first connecting tube 302, so that being passed into
The nitrogen of one connecting tube 302 can be equably passed into each branch path 401, meanwhile, the first connecting tube 302 is connect with second
Pipe 303 is vertically arranged, and setting is convenient.
Further, the interconnecting part 304 includes communication port 305 and valve ejector pin valve 306, the communication port 305 with point
Branch 401 is connected to, and the valve ejector pin valve 306 is connected in communication port 305, separates each branch path 401 for converting.
As shown in Figure 1-3, the communication port 305 is located in the second connecting tube 303, the branch path 401 passes through communication port
305 are connected to the second connecting tube 303, and the valve ejector pin valve 306 is connected in communication port 305, when the pressure of gas reaches one
Fixed amount, valve ejector pin valve 306 are automatically closed, and avoid nitrogen from continuing to input the branch path 401, so that gas is passed into others
In branch path 401, and then realize that the conversion to each branch path 401 separates, and time connecting line part is removed at the end of soldering
It is automatically closed after 400.
Further, multi-pipeline branch transition part 300 further includes pressure gauge 307；The pressure gauge 307 is connected to
In second connecting tube 303, the pressure of the gas for detecting multi-pipeline branch transition part 300.
As shown in Figure 1-3, the right end of second connecting tube 303 is equipped with pressure gauge 307, pressure gauge 307 can be to multitube
The pressure of the gas of road branch transition part 300 is recorded, and observation and record are facilitated, the situation that reply occurs in time.
Further, the nitrogen filled protection rise plug portion 500 include the first binding clip 501, the second binding clip 502,
Rubber ring 503, fastening bolt 504 and outer silk short tube 505；One end of the outer silk short tube 505 connects the first binding clip 501,
The rubber ring 503, the second binding clip 502 are successively socketed in the another of outer silk short tube 505 with fastening bolt 504 from the bottom to top
On end, external screw thread is provided on the other end of the outer silk short tube 505, the fastening bolt 504 is connect with external screw thread.
As shown in figure 4, the lower end of the outer silk short tube 505 connects the first binding clip 501, the rubber ring 503, second
Binding clip 502 and fastening bolt 504 are sequentially connected the upper end of silk short tube 505 outside from top to bottom, the outer silk short tube 505
The outside of upper end is equipped with external screw thread, and the fastening bolt 504 is connect with external screw thread, the lower end of the outer silk short tube 505 and company
Port 305 connects；By adjusting, fastening bolt 504 controls the first binding clip 501 and the second binding clip 502 clamps rubber ring
503, rubber ring 503 is contacted by compression swelling with air-conditioning copper pipe tube wall, realizes the sealing to air-conditioning copper pipe, is realized during nitrogen charging
Closure to air-conditioning copper pipe；Fastening nut is unclamped after the completion of soldering remove nitrogen filled protection rise plug portion 500, disassembly and peace
Dress is convenient, avoids the oxidation of copper pipe during the brazing process；Meanwhile the first binding clip 501 and the are controlled by adjusting fastening bolt 504
The clamping degree of two binding clips 502 realizes the control to 503 compression degree of rubber ring, can be suitable for various sizes of copper
Pipe, it is applied widely；The mode anti-oxidation relative to traditional closure plate avoids the welding and dismounting of closure plate, assembling and disassembling side
Just, construction cost can be reduced with cycle applications.
Further, non-return valve is additionally provided on multi-pipeline branch transition part 300.
Multi-pipeline branch transition part 300 is equipped with non-return valve, avoids the refluence of gas.
Further, the gas cylinder 100 is nitrogen cylinder.
The gas cylinder 100 is nitrogen cylinder, prevents the oxidation of copper pipe during the brazing process.
Further, the outlet end of the nitrogen cylinder is equipped with cylinder pressure gauge 101 and valve 102.
As shown in Figure 1, the outlet end of the nitrogen cylinder is equipped with cylinder pressure gauge 101 and valve 102, it is convenient in nitrogen cylinder
Pressure adjusting and nitrogen charging.
Further, multi-pipeline branch transition part 300 further includes support frame 308；First connecting tube 302 with
Second connecting tube 303 is located on support frame 308.
As shown in figure 1-3, first connecting tube 302 and the second connecting tube 303 are located on support frame 308, convenient to more
The support of line branching conversion portion 300, the convenient connection with follow up device.
Multi-pipeline copper pipe provided by the invention is brazed nitrogen charging protection against oxidation system, and the gas cylinder 100 passes through main connecting tube
Road part 200 is connect with multi-pipeline branch transition part 300, and nitrogen cylinder provides anti-oxidation required nitrogen and pressure, main connection
Nitrogen is transported to multi-pipeline branch transition part 300 by pipeline portions 200, and gas is equipped on multi-pipeline branch transition part 300
Door ejector pin valve 306 and pressure gauge 307, for separating multiple-limb road 401 and detection branches pressure；Through multi-pipeline branch transition part
Multichannel nitrogen after 300 conversions is connect by the nitrogen filled protection plug portion 500 that rises with air-conditioning copper pipe through time connecting line part 400,
It realizes anti-oxidation when being brazed to air-conditioning copper pipe；Connect nitrogen filled protection rise plug portion 500 when, tighten fastening bolt 504, first
Binding clip 501 and the second binding clip 502 act on rubber ring 503, and the compression of rubber ring 503 is contacted with copper pipe tube wall, in copper
After the completion of pipe soldering, fastening bolt 504 is unclamped, nitrogen filled protection is removed and rises plug portion 500；The nitrogen filled protection plug portion 500 that rises is solving
Certainly while the problem of traditional copper pipe closure plate attended operation difference, also meet requirement of the different air-conditioning copper pipe calibers to connection, greatly
The service efficiency that copper pipe is brazed anti-oxidation system is improved greatly；Relative to traditional closure plate for anti-oxidation method, avoid
Closure plate welding and disassembly, the waste of air-conditioning copper pipe is reduced while reducing the duration, saves the totle drilling cost of construction.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system, which is characterized in that including sequentially connected gas cylinder, main company
Pipeline portions, multi-pipeline branch transition part, secondary connecting line part and nitrogen filled protection is connect to rise plug portion；
The gas cylinder is for providing anti-oxidation required nitrogen and pressure, and multi-pipeline branch transition part is for separating each point
Branch, the secondary connecting line part includes multiple branch paths, and multiple branch paths are set side by side；The nitrogen filled protection rises plug portion
It is to be detachably connected with copper pipe, is blocked for copper pipe when will be in nitrogen charging state.
2. multi-pipeline copper pipe according to claim 1 is brazed nitrogen charging protection against oxidation system, which is characterized in that the multitube
Road branch transition part includes connecting pipe；
One end of the connecting pipe is connected to main connecting line part, and the other end of the connecting pipe is equipped with interconnecting part,
The quantity of the interconnecting part be it is multiple, multiple interconnecting parts are set side by side, and each interconnecting part is correspondingly connected with each branch path.
3. multi-pipeline copper pipe according to claim 2 is brazed nitrogen charging protection against oxidation system, which is characterized in that the connection
Pipe fitting includes the first connecting tube and the second connecting tube；
One end of first connecting tube is connected to main connecting line part, and the other end of first connecting tube is connect with second
Pipe connection, the interconnecting part are located in second connecting tube.
4. multi-pipeline copper pipe according to claim 3 is brazed nitrogen charging protection against oxidation system, which is characterized in that the connection
Portion includes communication port and valve ejector pin valve, and the communication port is connected to branch path, and the valve ejector pin valve is connected in communication port,
Each branch path is separated for converting.
5. multi-pipeline copper pipe according to claim 4 is brazed nitrogen charging protection against oxidation system, which is characterized in that the multitube
Road branch transition part further includes pressure gauge；
The pressure gauge is connected in the second connecting tube, the pressure of the gas for detecting multi-pipeline branch transition part.
6. multi-pipeline copper pipe according to claim 1 is brazed nitrogen charging protection against oxidation system, which is characterized in that the nitrogen charging
Protecting the plug portion that rises includes the first binding clip, the second binding clip, rubber ring, fastening bolt and outer silk short tube；
One end of the outer silk short tube connects the first binding clip, and the rubber ring, the second binding clip and fastening bolt are under
On the supreme other end for being successively socketed in outer silk short tube, external screw thread, the fastening are provided on the other end of the outer silk short tube
Bolt is connect with external screw thread.
7. multi-pipeline copper pipe according to claim 1 is brazed nitrogen charging protection against oxidation system, which is characterized in that the multitube
Road is additionally provided with non-return valve on branch transition part.
8. multi-pipeline copper pipe according to claim 1 is brazed nitrogen charging protection against oxidation system, which is characterized in that the gas cylinder
For nitrogen cylinder.
9. multi-pipeline copper pipe according to claim 8 is brazed nitrogen charging protection against oxidation system, which is characterized in that the nitrogen
The outlet end of bottle is equipped with cylinder pressure gauge and valve.
10. multi-pipeline copper pipe according to claim 3 is brazed nitrogen charging protection against oxidation system, which is characterized in that described more
Line branching conversion portion further includes support frame；
First connecting tube and the second connecting tube are set on the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578846.8A CN109365949A (en) | 2018-12-21 | 2018-12-21 | Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578846.8A CN109365949A (en) | 2018-12-21 | 2018-12-21 | Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109365949A true CN109365949A (en) | 2019-02-22 |
Family
ID=65371606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811578846.8A Pending CN109365949A (en) | 2018-12-21 | 2018-12-21 | Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109365949A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513225A (en) * | 1938-04-01 | 1939-10-06 | George Reginald Montague Jenni | Improvements in expanding pipe-stoppers |
| CN202037395U (en) * | 2011-03-23 | 2011-11-16 | 宁波奥克斯空调有限公司 | Protective nitrogen filling device for evaporator or condenser brazing |
| CN202484517U (en) * | 2012-01-12 | 2012-10-10 | 中国海洋石油总公司 | Pipeline sealer |
| CN202884364U (en) * | 2012-10-26 | 2013-04-17 | 苏州辛帝斯燃气密封材料有限公司 | Gas pipeline first-aid repair plugging assembly |
| CN104816109A (en) * | 2015-05-11 | 2015-08-05 | 合肥锦利丰机械有限公司 | Automatic rotation nitrogen-filled welding device |
| CN205437423U (en) * | 2016-03-21 | 2016-08-10 | 南通华信中央空调有限公司 | Central air conditioning copper knockout welding frock |
| CN107178674A (en) * | 2017-07-03 | 2017-09-19 | 中化二建集团有限公司 | Pipeline combines plugging device and repair method |
| CN207757129U (en) * | 2018-01-24 | 2018-08-24 | 固安冰川制冷设备有限公司 | Inflated with nitrogen jig |
| CN208743881U (en) * | 2018-07-04 | 2019-04-16 | 中国电建集团核电工程有限公司 | Copper pipe is brazed oxygen-proof protecting device |
| CN209850062U (en) * | 2018-12-21 | 2019-12-27 | 中国电建集团核电工程有限公司 | Multi-pipeline copper pipe brazing nitrogen-filling anti-oxidation protection system |
-
2018
- 2018-12-21 CN CN201811578846.8A patent/CN109365949A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB513225A (en) * | 1938-04-01 | 1939-10-06 | George Reginald Montague Jenni | Improvements in expanding pipe-stoppers |
| CN202037395U (en) * | 2011-03-23 | 2011-11-16 | 宁波奥克斯空调有限公司 | Protective nitrogen filling device for evaporator or condenser brazing |
| CN202484517U (en) * | 2012-01-12 | 2012-10-10 | 中国海洋石油总公司 | Pipeline sealer |
| CN202884364U (en) * | 2012-10-26 | 2013-04-17 | 苏州辛帝斯燃气密封材料有限公司 | Gas pipeline first-aid repair plugging assembly |
| CN104816109A (en) * | 2015-05-11 | 2015-08-05 | 合肥锦利丰机械有限公司 | Automatic rotation nitrogen-filled welding device |
| CN205437423U (en) * | 2016-03-21 | 2016-08-10 | 南通华信中央空调有限公司 | Central air conditioning copper knockout welding frock |
| CN107178674A (en) * | 2017-07-03 | 2017-09-19 | 中化二建集团有限公司 | Pipeline combines plugging device and repair method |
| CN207757129U (en) * | 2018-01-24 | 2018-08-24 | 固安冰川制冷设备有限公司 | Inflated with nitrogen jig |
| CN208743881U (en) * | 2018-07-04 | 2019-04-16 | 中国电建集团核电工程有限公司 | Copper pipe is brazed oxygen-proof protecting device |
| CN209850062U (en) * | 2018-12-21 | 2019-12-27 | 中国电建集团核电工程有限公司 | Multi-pipeline copper pipe brazing nitrogen-filling anti-oxidation protection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102679464B (en) | For connecting the structure of refrigerant pipe and method and there is the air-conditioning of this structure | |
| US5431189A (en) | Flow control manifold and gauge | |
| KR100677265B1 (en) | Service valve assembly with serial dual port, air conditioner with serial dual port and elimination method of moisture and small fragments thereof | |
| CN102962633A (en) | Assembling technology of liquid storage device and compressor | |
| CN102962632A (en) | Connection method for air inlet pipe of compressor and compressor | |
| CN109365949A (en) | Multi-pipeline copper pipe is brazed nitrogen charging protection against oxidation system | |
| CN102763056B (en) | Floating coil heat exchanger | |
| CN209850062U (en) | Multi-pipeline copper pipe brazing nitrogen-filling anti-oxidation protection system | |
| CN203216167U (en) | Device for adjustment and installation of capillary tubes | |
| CN104708164B (en) | A kind of connector and the nitrogen charging weld connection device using the connector | |
| CN202166245U (en) | Matching test device for air-conditioner capillary | |
| JP3218368U (en) | Driving type branch pipe | |
| CN101878404B (en) | Heat exchanger coupling blocking plug | |
| CN201314419Y (en) | Pipe joint for coolant side of plate-type heat exchanger | |
| CN207112174U (en) | Train air conditioner refrigerating Quick connector for pipeline | |
| CN208743881U (en) | Copper pipe is brazed oxygen-proof protecting device | |
| CN106425339B (en) | A kind of heavy caliber low-temperature filter and production method | |
| CN203744617U (en) | Connection type check valve assembly of split heat pump air conditioner | |
| CN105889663A (en) | Air conditioner part-to-part pipeline connecting device | |
| JP2000310460A (en) | Service valve with sealing mechanism for air conditioner | |
| US5607291A (en) | Closed compressor | |
| CN208228237U (en) | Ice cream extrusion device | |
| JP2001241814A (en) | Air conditioner and refrigerant filling method | |
| KR100978680B1 (en) | A valve block, an air-conditioning and heating equipment having the same and a method thereof | |
| CN216815168U (en) | Sealing structure of chemical condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |