CN205622017U - Thin low resistance weld device of taking conductor - Google Patents
Thin low resistance weld device of taking conductor Download PDFInfo
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- CN205622017U CN205622017U CN201620152842.3U CN201620152842U CN205622017U CN 205622017 U CN205622017 U CN 205622017U CN 201620152842 U CN201620152842 U CN 201620152842U CN 205622017 U CN205622017 U CN 205622017U
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- strip conductor
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Abstract
The utility model discloses a thin low resistance weld device of taking conductor how many parts of warm table, pressure platform, controller and host computer comprises, and the soldering temperature and the pressure platform of controller and host computer real -time supervision and controlled heating platform are exerted pressure, and the automatic weld procedure is set for in the programming, carries out accuracy welding control. Warm table and pressure platform provide the pressure that melts the required high temperature of solder and make solder evenly distributed respectively. The warm table is automatic control electron heating device, through conduction heating pressure platform. Pressure platform essential element includes driving motor, guide arm, support, go up briquetting and five parts of briquetting down, will weld the sample place last briquetting with down between the briquetting, compress tightly the sample after upward briquetting and lower briquetting are laminated mutually. It is lighter than 5 mu m100mms through precision finishing, its surface parallel degree with the straightness that hangs down with lower briquetting binding face to go up the briquetting.
Description
Technical field
This utility model relates to the low resistance welding bench of a kind of strip conductor, the especially welding bench of high-temperature superconducting coating band, especially can make the welding bench with the most low-resistance high-temperature superconducting coating band joint.
Background technology
Superconductor, because of the zero resistance nature of its uniqueness, has high economic worth in high-intensity magnets manufacture, lossless electric current transmission etc. are applied.At present, preparation technology is more ripe low temperature superconducting material and application apparatus thereof have been widely used in above-mentioned field.But, owing to it is operated in liquid helium region (4.2K), to freeze costly, the application of low-temperature superconducting device is concentrated mainly in the less scope such as medical imaging diagnosis MRI, high-energy physics scientific research.High-temperature superconductor is operated in liquid nitrogen temperature (77K), compares cryogenic superconductor and has relatively low refrigeration cost, it addition, its critical magnetic field is higher, can produce the magnet of more high field intensity.Along with high temperature superconducting materia, the development of the most secondary high-temperature superconducting coating band preparation technology, more and more potential HTS applications devices are by numerous studies, and these devices include high-intensity magnets, power transformer, electric power current limiter, superconducting motor etc..Superconducting joint is as band coupling part in high-temperature superconducting device, it is necessary to have extremely low resistance, in order to makes superconducting coil can realize lossless Closed-loop Constant-current and runs or realize lossless transmission in electric current transmission application.Therefore, a requisite key technology during high-temperature superconductor joint technique is the research and development of above-mentioned application apparatus.But, the most also there is no welding method and the device of a kind of effective making extremely low resistance high-temperature superconducting coating band joint.
Due to zero resistance, the high current density characteristic of superconductor, the least superconductor cross section can be passed through great electric current, the most secondary high-temperature superconducting coating band has very thin thickness, generally about 0.1mm.This utility model, mainly for the feature of its strip, can more easily make band joint in uniform thickness, and meanwhile, this utility model device is equally applicable to conventional strip conductor.
Utility model content
It is a key technology in high-temperature superconducting device research and development that joint makes, and the joint completed must have good electrically and mechanically performance, i.e. low resistance, high critical current, high n-value and high mechanical properties.The purpose of this utility model is to provide the welder of a kind of extremely low resistance high-temperature superconducting coating band joint, make it effectively to realize the extremely low resistance characteristic of welding point, can guarantee that good electrical and the mechanical performance of joint high critical current, high n-value and high mechanical properties simultaneously.
This utility model solves its technical problem and be the technical scheme is that
A kind of low resistance welder of strip conductor, welding bench 100 and the control computer 3 connected by sensing and processing unit 2 are formed, welding bench 100 is made up of pressure platform and warm table: the driving motor 101 being placed on support 102 drives upper holder block 104 by guide rod 103, makes upper holder block 104 can move up and down along guide rod 103 axis direction；Lower lock block 105 is placed in the support of the underface of upper holder block 104, fits with warm table 106 in its underpart；Sensing and processing unit 2 to welding bench pressure and temperature real time sample and with control computer 3 connecting communication and provide heating platen temperature and pressure platform pressure performed operation.
Warm table is for automatically controlling electronics heater, and control accuracy is ± 1 DEG C, and maximum heating temperature is 350 DEG C.
Described driving motor is elaborate servo motor.The C-shaped structure of described support, the convenient welding operation to strip conductor sample.
Actual welding operation completes in four steps, including welding bench preheating, band cleaning, weld and welding bench cooling.A whole set of welding system includes welding bench, sensing and processing unit and host computer three part.Welding bench is made up of warm table and pressure platform two parts, provides the high temperature of melting solder respectively and makes the equally distributed pressure of solder.
First, starting heating, preset welding temperature, control upper holder block puts down and fits together with platform surface, in order to upper lower lock block can be heated simultaneously.After temperature reaches preset value, regulate heater by automatic control system, make lower lock block temperature be maintained at predetermined value.
Secondly, with scouring pad, thin strip solder side is carried out grinding process, in order to remove surface impurity and oxide layer, reduce the impact of its butt joint resistance, then clean strip surface with anhydrous alcohol.Cleaned band should weld immediately, in order to avoid secondary pollution and oxidation affect joint performance.
3rd, after jig is warming up to predetermined temperature, controls to rise upper holder block, processed two sections of bands are lain in lower lock block surface.At the band intended joint length surface appropriate scaling powder of rapid application and solder, make solder uniformly sprawl and be distributed in its surface.Control upper holder block to put down, control apply and keep predetermined pressure, make solder be full of the gap between two bands and be uniformly distributed.
Finally, keep joint to apply pressure constant, control temperature and be at the uniform velocity reduced to room temperature, pressure relief, take off the band joint welded.
The beneficial effects of the utility model are, can be readily achieved the welding between strip conductor, and in particular for the welding of secondary high-temperature superconducting coating thin strip joint, its joint has the characteristic of low resistance, high critical current, high n-value and high mechanical properties.Meanwhile, this utility model device is equally applicable to the welding of conventional strip conductor, can significantly improve welding quality and efficiency, and have simple in construction, advantage easy and simple to handle.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of this utility model a kind of strip conductor low resistance joint robot welding system.
Fig. 2 is the structural representation of this utility model a kind of strip conductor low resistance weld platform.
Fig. 3 be this utility model welding bench make there is the most low-resistance strip conductor tab schematic diagram.
100. welding bench in figure, 101. drive motor, 102. supports, 103. guide rods, 104. upper holder blocks, 105. lower lock blocks, 106. warm tables, 2. sensing and processing unit, 3. control computer, 400. strip conductor tab, 401. strip conductor A, 402. strip conductor B.
Detailed description of the invention
In FIG, welding bench 100 drives motor 101, warm table 106 are connected with sensing and processing unit 2, welding pressure and temperature is monitored in real time and regulates.Sensing and processing unit 2 with control computer 3 connecting communication, control the pressure and temperature data that in computer, display is uploaded in real time by sensing and processing unit.By controlling computer settings welding procedure, set including applying the parameters such as force value, welding temperature, pressing time and heat time heating time.
In fig. 2, motor 101, support 102, guide rod 103, upper holder block 104, lower lock block 105 and warm table 106 is driven to form welding bench 100.Driving motor 101 drive leader 103 to push down on or be lifted up upper holder block 104 decline or raise, guide rod 103 is bolted with upper holder block 104.In welding bench 100, pressure platform portion of material uses high strength alloy steel, upper holder block 104 and lower lock block 105 faying face to use Precision Machining to form, and its surface depth of parallelism and perpendicularity are less than 5 μm/100mm.By driving the effect of motor 101, upper holder block 104 fits tightly with lower lock block 105, to reach to be opposite to weld on both faying faces the pressure effect of sample.Warm table 106 for automatically controlling electronics heater, direct conduction heating pressure platform, and by sensor detect temperature, regulate heating power in real time.Drive the motor 101 driving to guide rod 103, worm couple or screw mechanism can be used to realize.
Claims (6)
1. a low resistance welder for strip conductor, welding bench (100) and by sensing and processing unit (2)
Control computer (3) composition connected, it is characterised in that welding bench (100) is by pressure platform and warm table
Constitute: the driving motor (101) being placed on support (102) drives upper holder block (104) by guide rod (103),
Make upper holder block (104) can move up and down along guide rod (103) axis direction；Lower lock block (105) is placed in pressure
The support of the underface of block (104), fits with warm table (106) in its underpart；Sensing and processing unit (2)
To welding bench pressure and temperature real time sample and with computer (3) connecting communication providing warm table is provided
Temperature and pressure platform pressure perform operation.
The low resistance welder of strip conductor the most according to claim 1, it is characterised in that control to calculate
The pressure and temperature data that in machine (3), display is uploaded by sensing and processing unit (2) in real time；By controlling
Computer (3) sets welding procedure, including when applying force value, welding temperature, pressing time and heating
Between etc. parameter set.
The low resistance welder of strip conductor the most according to claim 1, it is characterised in that warm table
For automatically controlling electronics heater, control accuracy is ± 1 DEG C, and maximum heating temperature is 350 DEG C.
The low resistance welder of strip conductor the most according to claim 1, it is characterised in that described pressure
Power platform is made by high strength alloy steel, upper holder block lower surface and the lower lock block upper surface depth of parallelism and perpendicularity
Error is less than 5 μm/100mm.
The low resistance welder of strip conductor the most according to claim 1, it is characterised in that described in drive
Galvanic electricity machine is elaborate servo motor.
The low resistance welder of strip conductor the most according to claim 1, it is characterised in that its support
C-shaped structure, the convenient welding operation to strip conductor sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152842.3U CN205622017U (en) | 2016-03-01 | 2016-03-01 | Thin low resistance weld device of taking conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152842.3U CN205622017U (en) | 2016-03-01 | 2016-03-01 | Thin low resistance weld device of taking conductor |
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| Publication Number | Publication Date |
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| CN205622017U true CN205622017U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620152842.3U Active CN205622017U (en) | 2016-03-01 | 2016-03-01 | Thin low resistance weld device of taking conductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633759A (en) * | 2016-03-01 | 2016-06-01 | 西南交通大学 | Low-resistance welding apparatus for thin-strip conductor |
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2016
- 2016-03-01 CN CN201620152842.3U patent/CN205622017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633759A (en) * | 2016-03-01 | 2016-06-01 | 西南交通大学 | Low-resistance welding apparatus for thin-strip conductor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |