CN105665954B - The detection device and its method of current converter station tubular mother's connection gold utensil welding quality - Google Patents
The detection device and its method of current converter station tubular mother's connection gold utensil welding quality Download PDFInfo
- Publication number
- CN105665954B CN105665954B CN201610148941.9A CN201610148941A CN105665954B CN 105665954 B CN105665954 B CN 105665954B CN 201610148941 A CN201610148941 A CN 201610148941A CN 105665954 B CN105665954 B CN 105665954B
- Authority
- CN
- China
- Prior art keywords
- current
- gold utensil
- mother
- flexible circuit
- connection gold
- Prior art date
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000010931 gold Substances 0.000 title claims abstract description 55
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 55
- 238000003466 welding Methods 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 241000416536 Euproctis pseudoconspersa Species 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- -1 aluminium silicon magnesium Chemical compound 0.000 description 1
- 238000013481 data capture Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention relates to the detection devices and its method of current converter station tubular mother's connection gold utensil welding quality, the detection device includes for the low-tension current source and current sensor for waiting for test tube mother's connection gold utensil output current, current sensor is separately mounted in pipe mother's connection gold utensil on corresponding two flexible circuit conductors up and down pass through electric current in flexible circuit conductor after auxiliary tube mother armful folder welding for detecting corresponding two flexible circuit conductors, using low-tension current source electric current is conveyed to the flexible circuit conductor after welding, detect the current value in flexible circuit conductor, judge the current value whether in the deviation range of setting value, if in the deviation range of setting value, it is up-to-standard after welding after the flexible circuit conductor in test tube mother's connection gold utensil described in indicating.The present invention realizes by verifying every uniform situation of flexible circuit conductor electric current of pipe mother connection gold utensil, the i.e. deviation range of its electric current and judges that the welding quality of pipe mother's connection gold utensil, this method are easy to operate and easy to implement in a low pressure environment.
Description
Technical field
The present invention relates to the detection devices and its method of current converter station tubular mother's connection gold utensil welding quality, belong to connection gold utensil
Technical field.
Background technology
In in recent years, the country starts extensive use ± 800kV DC converter station gold utensils, ± 800kV current converter station tubular mothers connection
Gold utensil belongs to extra-high-voltage direct-current power transmission converter device product.Flexible circuit conductor in pipe mother's connection gold utensil is usually utilizing cast aluminium silicon magnesium
Compo pipe mother carry out embrace folder welding, when one or more flexible circuit conductor welding when something goes wrong, be easy for causing other flexible circuit conductors
In by current value it is excessive, so as to cause equipment, in actual motion, temperature is excessively high, influences the normal use of equipment.Therefore,
It is particularly significant to the quality testing after flexible circuit conductor welding in pipe mother's connection gold utensil.Pipe busbar connection gold utensil is detected at present logical
It often needs to simulate true environment, it is necessary to build experimental enviroment by the large-scale electrical equipment of ac high-voltage, phase of carrying out a test
Work as difficulty, and experimental cost is very high, is not particularly suited for pipe mother's connection gold utensil.
Invention content
It is an object of the invention to overcome the deficiencies in the prior art, it is proposed that a kind of current converter station tubular mother connection gold utensil welding matter
The detection device of amount, solving the prior art can not be in detection pipe mother's connection gold utensil the technical issues of flexible circuit conductor welding quality, this hair
It is bright to also proposed a kind of detection method of current converter station tubular mother connection gold utensil welding quality.
The present invention is achieved by following scheme：
The detection device of current converter station tubular mother's connection gold utensil welding quality, the detection device include for wait for test tube mother connect
Low-tension current source and at least two current sensors of gold utensil output current are connect, current sensor is separately mounted to pipe mother and connects gold
After being used to detect corresponding two flexible circuit conductors above and below in tool on corresponding two flexible circuit conductors by auxiliary tube mother armful folder welding
Electric current in flexible circuit conductor, two output ends of current source are for being respectively connected to wait for test tube mother connection gold utensil and auxiliary tube mother.
Further, the high precision electro flow table for detecting current source output current value is connected on the current source.
Further, further include for handling the current signal that current sensor exports in the current sensing means
Data processing unit, the data processing unit is connected with the signal output end of current sensor.
Further, the data processing unit is computer.
Further, the current source is Switching Power Supply for inputting connection AC power.
The detection method of current converter station tubular mother's connection gold utensil welding quality will wait for corresponding two above and below in test tube mother's connection gold utensil
Flexible circuit conductor in item pipe busbar carries out embracing folder welding using auxiliary tube mother, is conveyed to the flexible circuit conductor after welding using low-tension current source
Electric current detects the current value in flexible circuit conductor, the current value is judged whether in the deviation range of setting value, if in setting value
Deviation range in, indicate that the flexible circuit conductor after being welded in test tube mother's connection gold utensil is up-to-standard.
Further, the deviation range of the setting value is that detection passes through the current value and setting value phase in the flexible circuit conductor
Difference is no more than the 15% of setting value.
The advantageous effect of the present invention compared to the prior art is：
The present invention proposes a kind of detection device of current converter station tubular mother connection gold utensil welding quality, which includes low
The positive and negative anodes output end of current voltage source and current sensor, current source is connected on waiting for test tube mother's connection gold utensil, utilizes auxiliary
Pipe mother carries out the flexible circuit conductor waited in busbar that test tube mother's connection gold utensil is connected to embrace folder welding, and current sensor is separately mounted to
It embraces on each conducting wire after folder welding.The detection method realized using the detection device is：Current value in specified current flow source, will
It is exported to pipe mother's connection gold utensil, and the flexible circuit conductor after conducting welding acquires the current value on flexible circuit conductor by current sensor,
It is judged whether in the deviation range of setting value, if in the deviation range of setting value, then it represents that pipe mother's connection gold utensil is soft to be led
The welding quality of line is qualified.The present invention solves in pipe mother's connection gold utensil after flexible circuit conductor welding, to its quality in hyperbaric environment
Can not independent measurement the technical issues of, the present invention by verify every uniform situation of flexible circuit conductor electric current of pipe mother connection gold utensil, i.e., its
The deviation range of electric current realizes and judges the welding quality of pipe mother's connection gold utensil in a low pressure environment, this method it is easy to operate and
Easy to implement, the method proposed through the invention can effectively improve the solder yield and production efficiency of gold utensil.
Description of the drawings
Fig. 1 is structure principle chart behind the detection device of the embodiment of the present invention；
Fig. 2 is the detection device front structure schematic diagram of the embodiment of the present invention.
Specific implementation mode
The present invention will be further described in detail with reference to the accompanying drawings and examples.
The embodiment of the detection device of current converter station tubular mother's connection gold utensil welding quality
Pipe mother's connection gold utensil is connected corresponding flexible circuit conductor above and below each item, and the other end of upper and lower corresponding two flexible circuit conductors is logical
It crosses auxiliary tube mother and embraces folder, and to the welding at folder of embracing of flexible circuit conductor, the auxiliary tube mother selected in the present embodiment is cast aluminium silicon
Magnesium-alloy tube is female.Flexible circuit conductor forms a conductive loop in pipe busbar after welding.In order to ensure the weldering of pipe mother's connection gold utensil
Quality is connect, by the current sensing means of current converter station tubular bus bar connection gold utensil below to flexible circuit conductor in pipe mother's connection gold utensil
Welding quality is detected.
As depicted in figs. 1 and 2, which includes low-tension current source and at least two current sensors, electric current
Two output ends in source are connected to using crocodile clip in the pipe mother connection gold utensil and auxiliary tube mother after welding, are arrived for output current
In flexible circuit conductor.Current sensor is installed respectively on each flexible circuit conductor after welding, is being led for acquiring the flexible circuit conductor after welding
After logical, circulate the current value in flexible circuit conductor.
The low-tension current source that the present embodiment is selected is high-current dc power supply, high-current dc power supply generator incoming transport
Electric AC380V.It is embodiment as other, input current can also be selected for the power source generator of the DC power supply of 220V, then
The power supply of 220V is accessed at this time.
High precision electro flow table is also associated on current source, the size of current exported for detecting current source.
The current sensing means further includes the data processing unit for handling current sensor output, at the data
Reason unit is connected to the signal output end of current sensor.Data processing unit in the present embodiment is computer, computer
In usb data analog input card receive current sensor transmission data, and by software program in computer to the electric current pass
The data of sensor acquisition are handled and are analyzed.
Computer is selected to handle the current data of acquisition in the present embodiment, it, can also as other embodiment
Select the processor of other forms, such as dsp processor.
The current value on current sensor acquisition flexible circuit conductor selected in the present embodiment, current sensor are external to flexible circuit conductor
On, it, can also be by current sensor package in the detection device as other embodiment, current sensor can select electricity
Current transformer, Hall current sensor etc. can also install ammeter on each flexible circuit conductor, directly read the number on ammeter
According to.
Based on the detection device of above-mentioned current converter station tubular mother connection gold utensil welding quality, the detection realized using the detection device
Method is：
When starting detection, required current value is set on high-current dc power supply, connects the high-current dc power supply；
Electric current is delivered to by pipe mother's connection gold utensil in the flexible circuit conductor after welding, the flexible circuit conductor annular conducting after corresponding welding.At this point,
The electric current on flexible circuit conductor is acquired by current sensor, and the current signal is converted into voltage signal and is delivered on computer
Usb data capture card.The data of acquisition are handled using the automatic measurement program software worked out in computer, by soft
Part interface can show collected current value and be stored into database (i.e. in preprogrammed WORD masterplates document).Software program root
Be compared according to the current value result of reading and the range of setting value, if the current value in the deviation range of setting value, table
Show that the welding quality of pipe mother's connection gold utensil is qualified, is otherwise unqualified.
The current value on flexible circuit conductor that the deviation range for the setting value selected in the present embodiment is acquired by current sensor
With 15% of setting value difference no more than setting value；To can verify that soft in the pipe busbar that pipe mother's connection gold utensil is connected lead
The welding quality of line.
This detection device can also be uploaded in remote monitoring system the data preserved in real time by wireless network and be carried out
Judgement.
Under the thinking that the present invention provides, to above-mentioned implementation by the way of being readily apparent that those skilled in the art
Technological means in example is converted, is replaced, is changed, and is played the role of and the basic phase of relevant art means in the present invention
Goal of the invention that is same, realizing is also essentially identical, and the technical solution formed in this way is finely adjusted above-described embodiment to be formed, this
Kind technical solution is still fallen in protection scope of the present invention.
Claims (7)
1. the detection device of current converter station tubular mother's connection gold utensil welding quality, which is characterized in that the detection device include for
The low-tension current source and at least two current sensors, current sensor for waiting for test tube mother's connection gold utensil output current are separately mounted to
Pass through auxiliary tube mother for detecting corresponding two flexible circuit conductors on corresponding two flexible circuit conductors above and below in pipe mother's connection gold utensil
Electric current in flexible circuit conductor is embraced after folder welding, two output ends of current source are for being respectively connected to wait for test tube mother connection gold utensil and auxiliary
On pipe mother.
2. the detection device of current converter station tubular mother connection gold utensil welding quality according to claim 1, which is characterized in that described
The high precision electro flow table for detecting current source output current value is connected on current source.
3. the detection device of current converter station tubular mother connection gold utensil welding quality according to claim 1, which is characterized in that the inspection
Further include the data processing unit for being handled the current signal that current sensor exports, the data in survey device
Processing unit is connected with the signal output end of current sensor.
4. the detection device of current converter station tubular mother connection gold utensil welding quality according to claim 3, which is characterized in that described
Data processing unit be computer.
5. the detection device of current converter station tubular mother connection gold utensil welding quality according to claim 1, which is characterized in that described
Current source be Switching Power Supply for input connection AC power.
6. the detection method of the detection device based on current converter station tubular mother connection gold utensil welding quality described in claim 1, special
Sign is, will wait for that the flexible circuit conductor above and below in test tube mother's connection gold utensil in corresponding two pipe busbares carries out an armful folder using auxiliary tube mother
Welding conveys electric current to the flexible circuit conductor after welding using low-tension current source, detects the current value in flexible circuit conductor, judge the electricity
Whether flow valuve, if in the deviation range of setting value, indicates described and waits for that test tube mother connects gold in the deviation range of setting value
Flexible circuit conductor after being welded in tool is up-to-standard.
7. detection method according to claim 6, which is characterized in that the deviation range of the setting value is that detection passes through
Current value in the flexible circuit conductor differs 15% no more than setting value with setting value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148941.9A CN105665954B (en) | 2016-03-15 | 2016-03-15 | The detection device and its method of current converter station tubular mother's connection gold utensil welding quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148941.9A CN105665954B (en) | 2016-03-15 | 2016-03-15 | The detection device and its method of current converter station tubular mother's connection gold utensil welding quality |
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| Publication Number | Publication Date |
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| CN105665954A CN105665954A (en) | 2016-06-15 |
| CN105665954B true CN105665954B (en) | 2018-11-06 |
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| CN201610148941.9A Active CN105665954B (en) | 2016-03-15 | 2016-03-15 | The detection device and its method of current converter station tubular mother's connection gold utensil welding quality |
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| CN109347031A (en) * | 2018-10-10 | 2019-02-15 | 南安市天筹机械贸易有限公司 | A kind of penetration type electric power overhaul safe-discharge hardware fitting structure based on failure warning |
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| WO2009111090A1 (en) * | 2008-03-03 | 2009-09-11 | 3M Innovative Properties Company | Ammonia transducer assembly |
| CN101592691A (en) * | 2008-05-30 | 2009-12-02 | 王巨丰 | Transmission line thunderbolt, counterattack arbiter |
| CN203100908U (en) * | 2012-12-29 | 2013-07-31 | 自贡市三人实业有限公司 | An over-temperature alarm indicator of a connecting fitting |
| CN104332925B (en) * | 2014-10-24 | 2018-05-01 | 平高集团有限公司 | Current conversion station DC fields ice-melt gold utensil |
| CN105223483B (en) * | 2015-11-02 | 2017-12-12 | 国网山东省电力公司电力科学研究院 | A kind of DC transmission engineering insulator chain defect online detection method and device |
| CN205702896U (en) * | 2016-03-15 | 2016-11-23 | 平高集团有限公司 | Current converter station tubular mother connects the detection device of gold utensil welding quality |
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