CN104139226A - Elbow welding system and method of refrigerating system - Google Patents
Elbow welding system and method of refrigerating system Download PDFInfo
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- CN104139226A CN104139226A CN201310165264.8A CN201310165264A CN104139226A CN 104139226 A CN104139226 A CN 104139226A CN 201310165264 A CN201310165264 A CN 201310165264A CN 104139226 A CN104139226 A CN 104139226A
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- elbow
- refrigeration system
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- 238000003466 welding Methods 0.000 title claims abstract description 287
- 238000000034 method Methods 0.000 title claims abstract description 60
- 238000005057 refrigeration Methods 0.000 claims abstract description 63
- 230000008569 process Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 238000001931 thermography Methods 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 40
- 238000010438 heat treatment Methods 0.000 description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- 239000001301 oxygen Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 18
- 239000002737 fuel gas Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000005476 soldering Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005219 brazing Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012795 verification Methods 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
- B23K5/00—Gas flame welding
-
- 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
- B23K5/00—Gas flame welding
- B23K5/22—Auxiliary equipment, e.g. backings, guides
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses an elbow welding system of a refrigerating system, which comprises: the welding equipment controls the welding flame temperature by setting welding parameters and welds the elbow of the refrigeration system; and the temperature detection device is used for detecting and displaying the welding temperature data of the welding area. The invention also discloses an elbow welding method of the refrigerating system, which is used for welding by using the elbow welding system of the refrigerating system, and the method comprises the following steps: setting preset welding parameters and starting welding; detecting welding temperature data of a welding area; judging whether the welding temperature data is qualified or not; confirming or adjusting welding parameters of the welding equipment; and finishing the subsequent welding process. The invention ensures and improves the welding quality of the elbow of the refrigerating system.
Description
Technical field
The present invention relates to welding quality control technology field, particularly a kind of elbow welding system of refrigeration system, the invention still further relates to a kind of elbow welding method of refrigeration system.
Background technology
Refrigeration system is present in the electric equipment such as air-conditioning, refrigerator, wherein, in the pipeline of refrigeration system, has connecting bend, and the quality of elbow welding quality directly affects the serviceability of whole electric equipment.
Taking air-conditioning as example, air-conditioning system is made up of four critical pieces, comprises compressor, condenser, flow controller and evaporimeter, and these four parts are to form air-conditioning system most critical, the most basic parts.
Wherein, the quality of evaporimeter and condenser affects refrigeration, the heating effect of air-conditioning, on evaporimeter in air-conditioning system and condenser parts, all dispose the elbow of different size and quantity, the welding quality of elbow has a great impact air conditioner system, elbow leakage can directly cause the air-conditioning that client uses there is no refrigerant, and then causes air-conditioning to run well.
In prior art, elbow welding in air-conditioning system on evaporimeter and condenser is when through automatic welding production line, according to quality requirement after air-conditioning elbow welding, the parameters such as the preheated fuel gas of manual adjustment automatic welding device, preheated oxygen, heating gas, heating oxygen regulate intensity and the size of flame, thereby complete automatic Arc Welding, wherein, the parameter adjustment process of automatic welding device is generally that master craftsman is with new person, regulate by rule of thumb, cannot realize the quantification of air-conditioning elbow automatic soldering technique and produce.
Simultaneously, the intrinsic parameter of manual adjustment for elbow the actual welding situation in welding process specific aim not strong, the flame intensity that automatic welding machine is default and size, can not ensure that elbow surface soldered temperature accurately reaches the required temperature reaching of elbow welding quality that realizes expection, elbow welding quality and unstable.
In sum, how further to ensure and to improve the elbow welding quality of refrigeration system, become those skilled in the art's technical problem urgently to be resolved hurrily.
Summary of the invention
The object of this invention is to provide a kind of elbow welding system of refrigeration system, another object of the present invention is to provide a kind of elbow welding method of refrigeration system, thereby can further ensure and improve the elbow welding quality of refrigeration system.
For solving the problems of the technologies described above, the invention provides a kind of elbow welding system of refrigeration system, comprising:
Welding equipment, described welding equipment, by welding parameter is set, is controlled welding flame temperature, and the elbow of described refrigeration system is welded;
Temperature-detecting device, described temperature-detecting device for detection of and show the welding temperature data of weld zone.
Preferably, in the elbow welding system of above-mentioned refrigeration system, described temperature-detecting device comprises:
Data collecting system, described data collecting system for welding temperature data to weld zone gather;
Control system, described control system is used for temperature analysis, and exports the welding temperature data of weld zone;
Display screen, described display screen is used for the welding temperature data of the weld zone that shows described control system output.
Preferably, in the elbow welding system of above-mentioned refrigeration system, described temperature-detecting device is thermal imaging system.
Preferably, in the elbow welding system of above-mentioned refrigeration system, described welding equipment is automatic welding machine.
The present invention also provides the elbow welding method of the refrigeration system that a kind of elbow welding system of applying above-mentioned refrigeration system welds, and comprises the following steps:
11) default welding parameter is set in welding equipment, the elbow of described refrigeration system is welded;
12) detect the welding temperature data of weld zone by temperature-detecting device, and read the welding temperature data of weld zone from described temperature-detecting device;
13) judge whether described welding temperature data meet the temperature range of the required preheat temperature of welding process or heating-up temperature;
14) according to the judged result of described welding temperature data, confirm or adjust the welding parameter of described welding equipment, make described welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature;
15) complete follow-up welding process.
Preferably, in the elbow welding method of above-mentioned refrigeration system, further comprising the steps of between described step 14) and step 15):
141) according to the actual welding quality condition of the elbow of described refrigeration system, the welding parameter of described welding equipment is finely tuned.
Preferably, in the elbow welding method of above-mentioned refrigeration system, after described step 15), further comprising the steps of:
15) welding parameter of record, curing described welding equipment, forms technical papers;
16) quantize to produce according to technical papers.
Preferably, in the elbow welding method of above-mentioned refrigeration system, described temperature-detecting device is thermal imaging system.
Preferably, in the elbow welding method of above-mentioned refrigeration system, described welding equipment is automatic welding machine.
Above-mentioned background technology relatively, the present invention is applied to temperature-detecting device in the process that welding equipment welds the elbow of refrigeration system, by temperature-detecting device, the welding temperature of weld zone detected and show welding temperature data, and then can read more intuitively welding temperature data, and can on purpose regulate welding equipment according to the actual welding temperature data of weld zone in welding process, the welding temperature data that ensure weld zone reach the required temperature range of elbow welding quality that meets refrigeration system, ensure and improved the elbow welding quality of refrigeration system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the elbow welding method flow diagram of refrigeration system provided by the present invention.
Detailed description of the invention
Core of the present invention is to provide a kind of elbow welding system of refrigeration system, and another core of the present invention is to provide a kind of elbow welding method of refrigeration system, thereby can further ensure and improve the elbow welding quality of refrigeration system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Following examples content is to apply the present invention to process that the elbow of the refrigeration system in air-conditioning is welded, for convenience of description, hereinafter by the elbow of the refrigeration system in air-conditioning referred to as air-conditioning elbow.
The elbow welding system of the refrigeration system that the embodiment of the present invention provides, comprises welding equipment and temperature-detecting device.
Wherein welding equipment for to air-conditioning elbow weld, by the parameter of welding equipment is set, control the welding flame temperature of air-conditioning elbow welding, so complete to air-conditioning elbow weld, temperature-detecting device for detection of and show the welding temperature data of weld zone.
The welding flame temperature of welding equipment directly affects the welding temperature data of weld zone, welding temperature data directly affect the welding quality of air-conditioning elbow, in the time that air-conditioning elbow is welded, staff first can be according to brazing temperature and soldering meltage, the correlation of dissolution velocity, and the rear quality condition of welding draws the welding pre-heating temperature of welding equipment, heating-up temperature, preheated fuel gas when soldering angle optimum, preheated oxygen, preheat temperature, heating gas, heating oxygen, the default welding parameter such as heating-up temperature, to preset in welding parameter input welding equipment air-conditioning elbow will be welded, general welding pre-heating temperature need to be between 600 DEG C-700 DEG C, heating-up temperature need to be between 800 DEG C-900 DEG C.
But in actual welding process, welding flame temperature under default welding parameter control makes the welding temperature data of weld zone can not reach the temperature range of expection, the welding quality of air-conditioning elbow will be affected, thereby adopt temperature-detecting device that the welding temperature data of weld zone are detected and shown, can facilitate staff according to shown welding temperature data, welding equipment suitably to be adjusted, change the welding flame temperature of welding equipment, so that the welding temperature data of weld zone reach the temperature range of preheating or heating, ensure the welding quality of air-conditioning elbow.
The elbow welding system of the refrigeration system that the embodiment of the present invention provides, temperature-detecting device is applied to welding equipment in the process of air-conditioning elbow welding, by temperature-detecting device, the welding temperature of weld zone detected and show welding temperature data, and then can read more intuitively welding temperature data, and can on purpose regulate welding equipment according to the actual welding temperature data of weld zone in welding process, the welding temperature data that ensure weld zone reach the temperature range that meets air-conditioning elbow welding quality requirement, ensure and improved the welding quality of air-conditioning elbow.
In a specific embodiment of the present invention, the temperature-detecting device in the elbow welding system of refrigeration system comprises data collecting system, control system and display screen.
Wherein data collecting system for welding temperature data to weld zone gather, control system is for temperature analysis, and exports the welding temperature data of weld zone, display screen is for the welding temperature data of the weld zone of display control program output.
In a specific embodiment of the present invention, preferred, the temperature-detecting device in the elbow welding system of refrigeration system is thermal imaging system, and welding equipment is automatic welding machine.
The elbow welding system of the refrigeration system that the embodiment of the present invention provides, application automatic welding machine is realized the automatic welding to air-conditioning elbow, thermal imaging system is surveyed weld zone infrared energy by noncontact, and be translated into the signal of telecommunication, and then on the display of thermal imaging system Heat of Formation image and temperature value, the welding temperature data of the weld zone that staff shows according to thermal imaging system suitably regulate the default welding parameter of automatic welding device, to meet the needs of air-conditioning elbow welding quality, avoid the weld defect causing in prior art, improve verification qualification rate of air-conditioning elbow, reduce elbow repair rate, improve operating efficiency.
Incorporated by reference to Fig. 1, the elbow welding method flow diagram that Fig. 1 is refrigeration system provided by the present invention.
The elbow welding method of the refrigeration system that the embodiment of the present invention provides, comprises the following steps:
Step S11, arranges default welding parameter, starts welding:
Default welding parameter is set in welding equipment, air-conditioning elbow is welded, concrete, according to brazing temperature and soldering meltage, the correlation of dissolution velocity, and to the quality requirement after air-conditioning elbow welding, draw the preheat temperature that automatic welding is required, heating-up temperature, preheated fuel gas when soldering angle optimum, preheated oxygen, preheat temperature, heating gas, heating oxygen, the parameters such as heating-up temperature, default welding parameter is set in welding equipment, general welding pre-heating temperature need to be between 600 DEG C-700 DEG C, heating-up temperature need to be between 800 DEG C-900 DEG C.
Step S12, the welding temperature data of detection weld zone:
Detect the welding temperature data of weld zone by temperature-detecting device, and read the welding temperature data of weld zone from temperature-detecting device, concrete, detect respectively the welding temperature data of weld zone when warm-up phase and the heating period by temperature-detecting device.
Step S13, judges that whether welding temperature data are qualified:
According to the welding temperature data that draw in step S12, judge whether to meet the temperature range of the required preheat temperature of welding process or heating-up temperature;
Step S14, the welding parameter of confirmation or adjustment welding equipment:
If the preheat temperature that welding temperature data fit welding process is required or the temperature range of heating-up temperature are confirmed the welding parameter of welding equipment, if not meeting the temperature range of the required preheat temperature of welding process or heating-up temperature adjusts the default welding parameter of welding equipment, when warm-up phase and in the heating period welding temperature data of weld zone lower than said temperature scope, adopt and strengthen preheated fuel gas, preheated oxygen, heating gas, the input quantity of heating oxygen etc., or just strengthen the input quantity of preheated oxygen and heating oxygen, or just reduce the input quantity of preheated fuel gas and heating gas, or the regulative mode that can improve welding temperature data that adopts other those skilled in the art to understand, make welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature, otherwise, adopt and reduce preheated fuel gas, preheated oxygen, heating gas, the input quantity of heating oxygen etc., or the regulative mode that can reduce welding temperature data that adopts other those skilled in the art to understand, make welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature.
Step S15, completes follow-up welding process.
The elbow welding method of the refrigeration system that the embodiment of the present invention provides, pass through temperature-detecting device, in air-conditioning elbow welding process, detect the welding temperature data of weld zone, and according to welding temperature data, the default welding parameter in welding equipment is regulated in real time, make the actual welding temperature data of weld zone reach the preheat temperature and the heating-up temperature scope that meet welding quality requirement, finally completing air-conditioning elbow welds, welding quality stable, further ensures and has improved air-conditioning elbow welding quality.
In order further to ensure the elbow welding quality of refrigeration system, in a specific embodiment of the present invention, further comprising the steps of between the step S14 in the elbow welding method of refrigeration system and step S15:
Step S141, finely tunes the welding parameter of welding equipment according to the actual welding quality condition of the elbow of refrigeration system.
For further optimisation technique scheme, in the present invention's one specific embodiment, after the step S15 of the elbow welding method of refrigeration system, further comprising the steps of:
Step S16, the welding parameter of record, solidified welding equipment, forms technical papers;
Step S17, quantizes to produce according to technical papers.
The elbow welding method of the refrigeration system that the embodiment of the present invention provides, utilize the welding temperature data of weld zone in temperature-detecting device Real-Time Monitoring automatic Arc Welding, and by the welding temperature data that detect, welding effect is set up the angle of welding rifle mouth, welding parameter, form technical papers, in follow-up air-conditioning elbow welding technique, just can quantize to produce according to technical papers, welding quality is stablized, avoid the weld defect that only regulates by rule of thumb automatic welding machine to cause in prior art, improve delivery-check qualified rate of air-conditioning elbow welding, reduce elbow repair rate, improve operating efficiency.
In the elbow welding method of the refrigeration system providing at the invention described above embodiment, preferred, temperature-detecting device is thermal imaging system, and welding equipment is automatic welding machine.
First default welding parameter is set in automatic welding machine, start welding, in the process of air-conditioning elbow being welded at application automatic welding machine, staff can be by thermal imaging system the preheat temperature to weld zone and heating-up temperature detect, read the welding temperature data of the shown weld zone of thermal imaging system, if the preheat temperature that welding temperature data fit welding process is required or the temperature range of heating-up temperature are confirmed the welding parameter of automatic welding machine, if not meeting the temperature range of the required preheat temperature of welding process or heating-up temperature adjusts the default welding parameter of automatic welding machine, when warm-up phase and in the heating period welding temperature data of weld zone lower than said temperature scope, adopt and strengthen the default preheated fuel gas of automatic welding machine, preheated oxygen, heating gas, the input quantity of heating oxygen etc., or just strengthen the input quantity of preheated oxygen and heating oxygen, or just reduce the input quantity of preheated fuel gas and heating gas, or the regulative mode that can improve welding temperature data that adopts other those skilled in the art to understand, make welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature, otherwise, adopt and reduce the default preheated fuel gas of automatic welding machine, preheated oxygen, heating gas, the input quantity of heating oxygen etc., or the regulative mode that can reduce welding temperature data that adopts other those skilled in the art to understand, make welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature.
Then, also can be according to the welding quality of air-conditioning elbow, the welding parameter on the automatic welding machine to confirmation or after adjusting is finely tuned, thereby further ensures the welding quality of air-conditioning elbow.
In addition, also can record, solidify the rear final definite welding parameter of fine setting, form technical papers, realize the automatic batch production of air-conditioning elbow welding according to technical papers, improve operating efficiency.
The elbow welding system and method for refrigeration system provided by the present invention is except can be applicable to air-conditioning elbow welding process; can be applicable to equally in the elbow welding process of the refrigeration system in other electric equipments that those skilled in the art understand, specific embodiment content still falls into protection scope of the present invention.
Above the elbow welding system and method for a kind of refrigeration system provided by the present invention is described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (9)
1. an elbow welding system for refrigeration system, is characterized in that, comprising:
Welding equipment, described welding equipment, by welding parameter is set, is controlled welding flame temperature, and the elbow of described refrigeration system is welded;
Temperature-detecting device, described temperature-detecting device for detection of and show the welding temperature data of weld zone.
2. the elbow welding system of refrigeration system as claimed in claim 1, is characterized in that, described temperature-detecting device comprises:
Data collecting system, described data collecting system for welding temperature data to weld zone gather;
Control system, described control system is used for temperature analysis, and exports the welding temperature data of weld zone;
Display screen, described display screen is used for the welding temperature data of the weld zone that shows described control system output.
3. the elbow welding system of refrigeration system as claimed in claim 1, is characterized in that, described temperature-detecting device is thermal imaging system.
4. the elbow welding system of refrigeration system as claimed in claim 1, is characterized in that, described welding equipment is automatic welding machine.
5. an elbow welding method for the refrigeration system that the elbow welding system of the above-mentioned refrigeration system of application is welded, comprises the following steps:
11) default welding parameter is set in welding equipment, the elbow of described refrigeration system is welded;
12) detect the welding temperature data of weld zone by temperature-detecting device, and read the welding temperature data of weld zone from described temperature-detecting device;
13) judge whether described welding temperature data meet the temperature range of the required preheat temperature of welding process or heating-up temperature;
14) according to the judged result of described welding temperature data, confirm or adjust the welding parameter of described welding equipment, make described welding temperature data reach the temperature range of the required preheat temperature of welding process or heating-up temperature;
15) complete follow-up welding process.
6. the elbow welding method of refrigeration system as claimed in claim 5, is characterized in that, further comprising the steps of between described step 14) and step 15):
141) according to the actual welding quality condition of the elbow of described refrigeration system, the welding parameter of described welding equipment is finely tuned.
7. the elbow welding method of refrigeration system as claimed in claim 5, is characterized in that, after described step 15), further comprising the steps of:
15) welding parameter of record, curing described welding equipment, forms technical papers;
16) quantize to produce according to technical papers.
8. the elbow welding method of refrigeration system as claimed in claim 5, is characterized in that, described temperature-detecting device is thermal imaging system.
9. the elbow welding method of refrigeration system as claimed in claim 5, is characterized in that, described welding equipment is automatic welding machine.
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| CN201310165264.8A CN104139226A (en) | 2013-05-07 | 2013-05-07 | Elbow welding system and method of refrigerating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165264.8A CN104139226A (en) | 2013-05-07 | 2013-05-07 | Elbow welding system and method of refrigerating system |
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| CN104568163A (en) * | 2014-11-26 | 2015-04-29 | 南车株洲电机有限公司 | Method for detecting temperature in braze welding process of copper and alloys of copper |
| CN106891112A (en) * | 2017-04-01 | 2017-06-27 | 深圳市鑫华威机电设备有限公司 | The welding control method and system of semi-automatic welder |
| CN110788440A (en) * | 2019-09-27 | 2020-02-14 | 宁波奥克斯电气股份有限公司 | Welding temperature control method |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| CN114589426A (en) * | 2022-04-21 | 2022-06-07 | 珠海格力电器股份有限公司 | Welding method of two air conditioners |
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