CN115464233B - Sleeve structure superconducting conductor straight sample vacuum tin soldering forming device - Google Patents
Sleeve structure superconducting conductor straight sample vacuum tin soldering forming device Download PDFInfo
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- CN115464233B CN115464233B CN202211084367.7A CN202211084367A CN115464233B CN 115464233 B CN115464233 B CN 115464233B CN 202211084367 A CN202211084367 A CN 202211084367A CN 115464233 B CN115464233 B CN 115464233B
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Classifications
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- 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
- B23K3/085—Cooling, heat sink or heat shielding means
-
- 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
- B23K2101/06—Tubes
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a high-temperature superconducting conductor straight sample vacuum soldering forming device with a sleeve structure. The device consists of a supercharger, a cooling steel cylinder, a heating tin pool, a sample welding table, a negative pressure system and a fixed bracket. The sample welding table comprises a silicone oil pool, a spiral cooling pipe, a heating plate, a copper pipe at the inlet end of the sample, a copper pipe at the outlet end of the sample, a temperature probe base, a stop valve and a fixed support. The copper pipes at the two ends of the sample connection are placed in the silicone oil tank, the inlet end of the copper pipe is connected with the heating tin tank, the outlet end of the copper pipe is connected with the vacuum pump through the leather pipe, the heating plate below the silicone oil tank is used for heating silicone oil and is used for heating a conductor through an oil bath, the silicone oil tank penetrates through the spiral cooling pipe, and cooling liquid is introduced into the spiral pipe after soldering is finished to rapidly cool the silicone oil. After the conductor is placed on the welding table, the conductor is heated to the welding temperature to suck liquid tin after reaching negative pressure through a vacuum pump, and after the liquid tin is completely filled in the conductor, the liquid nitrogen is used for cooling silicone oil to finish conductor molding.
Description
Technical Field
The invention relates to the field of a sleeve structure high-temperature superconductive conductor preparation process taking YBCO strips as characteristics, which is particularly suitable for solving the problem of filling small gaps in the welding process of stacked conductors and improving the welding quality of a high-temperature superconductive conductor tin soldering forming process.
Background
The second-generation high-temperature superconducting material has wide application prospect in the field of strong magnetic fields due to the advantages of higher critical temperature, critical magnetic field, mechanical strength and the like. The current stacked conductor formed by stacking strips and soldering with an outer copper skeleton has the characteristics of high current density, simple preparation process and the like, and is one of the most potential high-temperature superconductive conductor structural forms. The traditional welding process is common tin pool welding, and the inherent structure of the stacked conductors can not meet the use requirement on the welding void ratio, so that a new conductor preparation process needs to be developed.
Soldering forming is the most important preparation process of the conductor, and is an indispensable step for welding stacked superconducting strips and copper frameworks into a conductor with excellent mechanical properties, wherein the welding temperature is required to be controlled within 200 ℃ during welding, the copper frameworks cannot be oxidized during welding, and the void ratio is reduced as much as possible. There is a need to develop new welding techniques to match this.
The invention manufactures a vacuum environment through the negative pressure system, has an antioxidation function when welding conductors, and simultaneously, the negative pressure environment can enable liquid tin to enter into a gap more easily, so that the void ratio is reduced. And meanwhile, the silicon oil pool with the temperature controlled is heated during welding, so that the temperature of a conductor is accurately controlled, and the stable and reliable welding quality is ensured.
Disclosure of Invention
The invention aims to provide a high-temperature superconducting conductor straight sample vacuum soldering forming device with a sleeve structure. Through the negative pressure system in the device, can realize the antioxidation welding of stacking the conductor and reduce the void fraction, through heating tin pond device and the silicone oil pond of controllable temperature, can carry out accurate temperature control to the conductor welding, consequently can realize through the device that superconducting conductor vacuum soldering takes shape.
The technical scheme of the invention is as follows:
a high-temperature superconducting conductor straight sample vacuum soldering forming device with a sleeve structure comprises a supercharger, a cooling steel cylinder, a heating tin pool, a sample welding table, a negative pressure system and a fixed support;
the sample welding table comprises a silicone oil tank, a spiral cooling pipe, a heating plate, a copper pipe at the inlet end of the sample, a copper pipe at the outlet end of the sample, a temperature probe base, a stop valve and a fixing bracket.
The device for heating the tin pool comprises a tin pool, a circular heating plate, a plate type flat welding flange and an outlet elbow pipe, wherein the bottom of the tin pool is connected with a sample inlet end connecting pipe through the outlet elbow pipe and a corrugated pipe and is used for melting soldering tin to form liquid tin with uniform temperature, and a booster pressurizes the liquid tin above the liquid level of the tin pool to press the liquid tin into a conductor for welding;
the negative pressure system comprises a metal copper pipe, a leather hose connector, a leather hose, a stop valve, a temperature probe and a vacuum pump, and is used for forming a vacuum environment, so that on one hand, the negative pressure environment is beneficial to the flow of liquid tin, on the other hand, the oxidation of the conductor copper pipe in the welding process is reduced, and the welding effect is improved;
the gas steel cylinder is arranged on the side surface of the fixed support, and the top end of the gas steel cylinder is pressurized after the tin bath is heated to melt tin materials, so that liquid tin flows;
the liquid nitrogen cooling steel cylinder is arranged on the side surface of the fixed support, liquid tin flows to fill the conductor, and then liquid nitrogen is led into the spiral cooling pipe for cooling silicone oil, so that the conductor is rapidly cooled, and the welding quality is improved;
the sample welding table and the heating tin pool are arranged above the fixed support, are connected with the copper pipe through the corrugated pipe, the negative pressure system is arranged below the support, and the supercharger and the cooling steel cylinder are arranged on the side face of the support.
The heating tin pool is arranged on the tabletop of the fixed support, a round heating plate is arranged at the bottom of the heating tin pool and used for melting tin materials, the side face of the upper side is connected with a pressurized gas cylinder, after the tin materials are melted, liquid tin enters a sample through a bottom outlet by pressurization, and then welding is carried out.
The sample welding table is fixed on the table top of the fixed support, a sample is placed in the silicone oil tank, the inlet end of the sample is connected with the heating tin tank, the outlet end of the sample is connected with the negative pressure system, the silicone oil tank penetrates through the spiral cooling pipe, and liquid nitrogen is introduced to rapidly cool silicone oil after welding is completed;
the negative pressure system is arranged below the tabletop of the fixed support, the vacuum pump is connected with the leather tube through the stop valve and then connected with the copper tube at the sample outlet section through the leather tube connector;
the gas steel cylinder and the liquid nitrogen cooling steel cylinder are arranged on the side face of the fixed support;
the temperature probe is arranged on the temperature probe base, the copper pipe is welded with the temperature probe base after being perforated, the temperature probe penetrates through the base to enter the copper pipe for measuring temperature, and the temperature probe can sense when liquid tin flows through the copper pipe;
the bottom of the heating tin pool and the sample welding table are respectively provided with a heating plate, a heating rod is arranged in the heating plate to serve as a heating element, the heating plate has the purpose of uniform heat conduction, and finally the temperature of the whole tin pool is uniformly heated;
the temperature of the heating tin pool is controlled within 200 ℃, so that performance degradation of the high-temperature superconducting strip caused by overhigh temperature is prevented, the temperature uniformity is better than +/-5 ℃, and the temperature is controlled by adopting a feedback system;
round small grooves are formed in the front end and the rear end of the sample welding table and are used for installing spiral cooling pipes;
the heating tin pool can bear gas pressure, an inner layer and an outer layer are made of stainless steel, aluminum is arranged in the heating tin pool to prevent liquid tin from adhering;
the copper pipes at the two ends of the sample connection are placed in a silicone oil tank, the copper pipe at the inlet end is connected with a heating tin tank, the copper pipe at the outlet end is connected with a vacuum pump through a leather pipe, a heating plate below the silicone oil tank is used for heating silicone oil and is used for heating a conductor through an oil bath, the silicone oil tank penetrates through a spiral cooling pipe, and cooling liquid is introduced into the spiral pipe after soldering is finished to rapidly cool the silicone oil;
compared with the prior art, the invention has the beneficial effects that:
the device can realize the vacuum soldering molding of high-temperature superconductive conductors with various sleeve structures.
The device can ensure the welding quality through the temperature control and welding of the tin pool solution and the silicone oil pool.
The device can realize the rapid cooling of the welded conductor and reduce the performance influence of the welding process on the high-temperature superconducting strip.
The device can reduce the void ratio of welding.
The device can realize antioxidation welding.
Drawings
Fig. 1 is an overall view of the device of the present invention.
In the drawing the view of the figure,
100-silicone oil pool, 101-sample, 102-spiral cooling tube, 103-heating plate, 104-outlet end copper tube, 105-inlet end copper tube, 106-temperature probe base, 107-heat insulation sleeve;
201-plate type flat welding flange, 202-heating tin pool, 203-corrugated pipe, 204-stop valve, 205-circular heating plate and 206-heating rod;
301-a vacuum pump, 302-a leather hose and 303-a leather hose connector;
401-booster, 402-cooling cylinder;
501-fixing a bracket.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the prior art, the drawings that are used in the description of the prior art and embodiments will be briefly described below.
Fig. 1 is an overall view of the device. As shown in FIG. 1, a high-temperature superconducting conductor straight sample vacuum soldering forming device with a sleeve structure comprises a booster 401, a cooling steel cylinder 402, a heating tin pool device, a sample welding table, a negative pressure system and a fixing support 501. The pressurizer 401 and the cooling steel cylinders 402 are placed on two sides of the fixed support 501, and the heating tin bath device is located on the upper layer of the fixed support 501. The top of the heating tin pool device is communicated with the booster 401 through a copper pipe, and the bottom of the heating tin pool device is communicated with the sample 101 in the sample welding table through a copper pipe. The sample welding table is positioned on the upper layer of the fixed support 501, the head part is connected with the heating tin pool device, the tail part is communicated with the negative pressure system through the leather hose 302, and the negative pressure system is positioned on the lower layer of the fixed support 501.
The sample welding table comprises a silicone oil tank 100, a sample 101, a spiral cooling pipe 102, a heating plate 103, a copper pipe 105 at the inlet end of the sample, a copper pipe 104 at the outlet end of the sample, a temperature probe base 106 and a heat insulation sleeve 107, wherein the silicone oil tank 100 is arranged above the heating plate 103, the head and the tail of the sample 101 are provided with welded flanges, the flanges are connected with copper pipes at two ends, the copper pipes are fixed on the welding table, the copper pipe 104 at the outlet end of the sample is perforated and provided with the temperature probe base 106, and a communication stop valve 204 is communicated with a negative pressure system. One end of the sample 101 is connected with an outlet end copper pipe 104, and the other end is connected with an inlet end copper pipe 105. Sample 101 is placed in silicone oil tank 100, and the heating plate 103 below silicone oil tank 100 heats silicone oil in the silicone oil tank for oil bath heating sample 101, and the inlet end copper pipe 105 is connected with heating tin tank 202, and the outlet end copper pipe 104 is connected with vacuum pump 301 through leather hose connector and leather hose 302. The spiral cooling pipe 102 penetrates through the silicone oil pool, and liquid nitrogen is introduced into the spiral cooling pipe 102 after soldering is finished to rapidly cool the silicone oil. The temperature probe base 106 is positioned on the copper pipe 105 at the sample inlet end, the temperature probe base is welded after the copper pipe 105 at the sample inlet end is punched on the straight pipe section close to the sample 101, the temperature probe penetrates through the base to enter the copper pipe for measuring the temperature, and the temperature change can be sensed when liquid tin flows. In order to have good fluidity when the liquid tin flows, the heat insulation sleeve 107 needs to be kept at the joint, and the heat insulation effect is achieved at the joint of the copper pipe 105 at the inlet end and the heating tin pool.
The heating tin pool device comprises a heating tin pool 202, a corrugated pipe 203, a stop valve 204, a circular heating plate 205, a heating rod 206, a plate type flat welding flange 201 and an outlet elbow pipe, wherein the heating tin pool 202 is arranged on the main body of the heating tin pool device, the heating tin pool device is arranged above the circular heating plate 205, the upper part of the heating tin pool 202 is connected with a booster 401, the bottom of the heating tin pool device is connected with a sample inlet end copper pipe 105 through the stop valve 204 and the corrugated pipe 203, and the plate type flat welding flange 201 is arranged at the top of the heating tin pool device and used for adding tin materials. The bottom of the heating tin pool 202 is connected with the copper pipe 105 at the inlet end of the sample through the outlet elbow pipe and the corrugated pipe 203, and is used for melting the soldering tin to form liquid tin with uniform temperature, and the booster 401 pressurizes the liquid tin above the liquid level of the tin pool to press the liquid tin into the sample for welding.
The negative pressure system comprises a metal copper pipe, a leather hose connector 303, a leather hose 302 and a vacuum pump 301. The metal copper pipe is placed in the fixed bolster 501 rear side, connects sample exit end copper pipe 104 and leather hose 302, needs to install leather hose connector 303 before connecting leather hose 302, and the air inlet of vacuum pump 301 is connected to leather hose 302 for form the vacuum environment, on the one hand negative pressure environment does benefit to the flow of liquid tin, on the other hand reduces the oxidation of conductor copper pipe in the welding process, promotes the welding effect.
The gas cylinder is placed on the side of the fixed support 501, and after the molten tin is melted in the tin bath, the top of the gas cylinder is pressurized to enable the liquid tin to flow.
The liquid nitrogen cooling steel cylinder 402 is placed on the side surface of the fixed support 501, after the liquid tin flows to fill the conductor, liquid nitrogen is led into the spiral cooling pipe 102 for cooling the silicone oil, so that the conductor is cooled rapidly, and the welding quality is improved;
the sample welding table and the heating tin pool are placed above the fixed support 501, are connected with the copper pipe 105 at the inlet end of the sample through the corrugated pipe 203, the negative pressure system is arranged below the support, and the gas steel cylinder and the liquid nitrogen cooling steel cylinder are placed on the side face of the support.
The heating tin pool is arranged on the tabletop of the fixed support, a round heating plate is arranged at the bottom of the heating tin pool and used for melting tin materials, the side face of the upper side is connected with a booster, after the tin materials are melted, liquid tin is pressurized to enter the sample through the bottom outlet, and then welding is carried out.
The sample welding table is fixed on the table top of the fixed support, a sample is placed in the silicone oil tank, the inlet end of the sample is connected with the heating tin tank, the outlet end of the sample is connected with the negative pressure system, the silicone oil tank passes through the spiral cooling pipe, and cooling liquid is introduced to rapidly cool silicone oil after welding is completed;
the negative pressure system is arranged below the tabletop of the fixed support, the vacuum pump is connected with the leather tube through the stop valve and then connected with the copper tube at the sample outlet section through the leather tube connector.
The booster 401 and the cooling steel cylinder 402 are mounted on the side surface of the fixing bracket 501.
The bottom of the heating tin pool and the sample welding table are respectively provided with a heating plate, a heating rod 206 is arranged in the heating plate to serve as a heating element, and the heating plates play a role in uniform heat conduction, so that the temperature of the whole tin pool is heated uniformly.
The temperature of the heating tin pool is controlled within 200 ℃, so that performance degradation of the high-temperature superconducting strip caused by overhigh temperature is prevented, the temperature uniformity is better than +/-5 ℃, and the temperature is controlled by adopting a feedback system.
The front end and the rear end of the sample welding table are provided with round small grooves for installing spiral cooling pipes.
The heating tin pool can bear gas pressure, an inner layer and an outer layer are made of stainless steel, and an aluminum layer is arranged inside the heating tin pool to prevent liquid tin from adhering.
Sample 101 is placed in silicone oil bath 100. One end of the sample 101 is connected with an outlet end copper pipe 104, and the other end of the sample 101 is connected with an inlet end copper pipe 105.
The inlet copper tube 105 is connected to a heated tin bath 202 by a bellows 203. Pressurizing the liquid tin above the liquid level of the tin bath by the pressurizer 401 to press the liquid tin into the conductor for welding; the copper pipe 104 at the outlet end is connected with the vacuum pump 301 through the leather hose connector 303 and the leather hose 302 to form a negative pressure environment; a heating plate 103 below the silicone oil tank 100 heats silicone oil, is used for heating the sample 101 by an oil bath, and a spiral cooling pipe 102 penetrates through the silicone oil tank 100 to complete device assembly.
The sample in the invention is a high-temperature superconductive conductor with a sleeve structure.
In the use process of the device, the vacuum pump is firstly turned on to form a vacuum environment, on one hand, the negative pressure environment is beneficial to the flow of liquid tin, on the other hand, the oxidation of the conductor copper pipe in the welding process is reduced, and the welding effect is improved; after reaching the preset vacuum degree, the round heating plate and the heating plate are opened to heat the tin material and the silicone oil pool, and after reaching the preset temperature, the stop valve is opened to enable liquid tin to enter the conductor from the copper pipe at the inlet end, fill the gap and flow out from the copper pipe at the outlet end. After the temperature probe detects that liquid tin flows out of the conductor, the vacuum pump and the inlet end stop valve are closed, the cooling steel cylinder is opened, so that the silicone oil pool is rapidly cooled, and welding is completed.
While the foregoing has been described in relation to illustrative embodiments thereof, so as to facilitate the understanding of the present invention by those skilled in the art, it should be understood that the present invention is not limited to the scope of the embodiments, but is to be construed as limited to the spirit and scope of the invention as defined and defined by the appended claims, as long as various changes are apparent to those skilled in the art, all within the scope of which the invention is defined by the appended claims.
Claims (10)
1. A high-temperature superconducting conductor straight sample vacuum soldering forming device with a sleeve structure is characterized in that: comprises a booster, a liquid nitrogen cooling steel cylinder, a tin pool heating device, a sample welding table, a negative pressure system and a fixed bracket;
the sample welding table comprises a silicone oil tank, a sample, a spiral cooling pipe, a heating plate, a copper pipe at the inlet end of the sample and a copper pipe at the outlet end of the sample; the sample is respectively connected with a copper pipe at the inlet end of the sample and a copper pipe at the outlet end of the sample, the sample is placed in a silicone oil tank, the copper pipe at the inlet end is connected with a heating tin tank, the copper pipe at the outlet end is connected with a vacuum pump through a leather pipe, a heating plate below the silicone oil tank is used for heating silicone oil for heating the sample in an oil bath, a spiral cooling pipe penetrates through the silicone oil tank, and liquid nitrogen is introduced into the spiral cooling pipe for cooling the silicone oil after the tin soldering is finished;
the heating tin pool device comprises a heating tin pool, a plate type flat welding flange and an outlet elbow; the top of the tin pool is provided with a plate type flat welding flange for adding tin materials, and the bottom of the heating tin pool is connected with a copper pipe at the inlet end of the sample through an outlet elbow pipe and a corrugated pipe and is used for melting soldering tin to form liquid tin with uniform temperature; pressurizing the liquid level of the heating tin pool by the pressurizer to press liquid tin into the sample for welding;
the negative pressure system comprises a metal copper pipe, a leather hose connector, a leather hose and a vacuum pump; the metal copper pipe is respectively connected with the copper pipe at the outlet end of the sample and the leather pipe, a leather pipe joint is required to be installed before the connection of the leather pipe, and the leather pipe is connected with the air inlet of the vacuum pump and is used for forming a vacuum environment;
the gas steel cylinder is arranged on the side surface of the fixed bracket, and the top end of the gas steel cylinder is pressurized after the tin pool is heated to melt tin materials, so that liquid tin flows;
the liquid nitrogen cooling steel cylinder is arranged on the side face of the fixed support, liquid tin flows to fill the sample, and then liquid nitrogen is led into the spiral cooling pipe for cooling silicone oil, so that the sample is cooled; the sample welding table and the heating tin pool device are placed above the fixed support, and the negative pressure system is arranged below the support.
2. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the heating tin pool is arranged on the tabletop of the fixed support, a round heating plate is arranged at the bottom of the heating tin pool and used for melting tin materials, the side face of the upper side is connected with a booster, after the tin materials are melted, liquid tin is pressurized to enter the sample through the bottom outlet, and then welding is carried out.
3. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the sample welding table is fixed on the table top of the fixed support, the sample is placed in the silicone oil tank, the inlet end of the sample is connected with the heating tin tank, the outlet end of the sample is connected with the negative pressure system, the silicone oil tank passes through the spiral cooling pipe, and cooling liquid is introduced to rapidly cool silicone oil after welding is completed.
4. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the negative pressure system is arranged below the tabletop of the fixed support, the vacuum pump is connected with the leather tube through the stop valve and then connected with the copper tube at the outlet end of the sample through the leather tube connector.
5. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the booster and the cooling steel cylinder are arranged on the side face of the fixed support.
6. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
and a temperature probe base is respectively perforated and placed on the copper pipe at the sample outlet end and the copper pipe at the sample inlet end, the temperature probe is arranged on the temperature probe base, the copper pipe is welded with the temperature probe base after being perforated, the temperature probe penetrates through the base to enter the copper pipe for measuring temperature, and the temperature probe can sense when liquid tin flows through.
7. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the bottom of the heating tin pool and the sample welding table are respectively provided with a heating plate, a heating rod is arranged in the heating plate to serve as a heating element, the heating plate plays a role in uniform heat conduction, and finally the temperature of the whole tin pool is heated uniformly.
8. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the temperature of the heating tin pool is controlled within 200 ℃, the temperature uniformity is better than +/-5 ℃, and a feedback system is adopted for control.
9. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the front end and the rear end of the sample welding table are provided with circular grooves for installing spiral cooling pipes.
10. The bushing structure high temperature superconducting conductor straight sample vacuum soldering forming device according to claim 1, wherein:
the heating tin pool can bear gas pressure, an inner layer and an outer layer are made of stainless steel, and an aluminum layer is arranged inside the heating tin pool to prevent liquid tin from adhering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084367.7A CN115464233B (en) | 2022-09-06 | 2022-09-06 | Sleeve structure superconducting conductor straight sample vacuum tin soldering forming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211084367.7A CN115464233B (en) | 2022-09-06 | 2022-09-06 | Sleeve structure superconducting conductor straight sample vacuum tin soldering forming device |
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| CN115464233A CN115464233A (en) | 2022-12-13 |
| CN115464233B true CN115464233B (en) | 2023-09-01 |
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| CN110181138A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院合肥物质科学研究院 | The welding procedure of superconductive cable and boxlike copper sleeve in large high-temperature superconductive current lead |
| CN113814505A (en) * | 2021-09-23 | 2021-12-21 | 深圳供电局有限公司 | Fusion welding device |
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2022
- 2022-09-06 CN CN202211084367.7A patent/CN115464233B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003034447A1 (en) * | 2001-10-12 | 2003-04-24 | Southwire Company | Superconducting cable termination |
| JP2006086386A (en) * | 2004-09-17 | 2006-03-30 | Espec Corp | Material applicable to solder joint and its manufacturing method |
| CN101409129A (en) * | 2008-07-17 | 2009-04-15 | 中国科学院等离子体物理研究所 | Super-conduction stacking brazing method and mold for high-temperature supercurrent down-lead |
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| CN107552912A (en) * | 2017-10-20 | 2018-01-09 | 上海应用技术大学 | High-temperature superconductor band compresses soldering apparatus and welding method certainly with copper tip counterweight |
| CN110181138A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院合肥物质科学研究院 | The welding procedure of superconductive cable and boxlike copper sleeve in large high-temperature superconductive current lead |
| CN113814505A (en) * | 2021-09-23 | 2021-12-21 | 深圳供电局有限公司 | Fusion welding device |
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| CN115464233A (en) | 2022-12-13 |
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