A composite weaving method and device for insulating materials for nuclear fusion

Abstract

The present invention discloses a composite weaving method and device for insulating materials for nuclear fusion, and belongs to the field of research and development of insulation for armored superconducting coil conductors for nuclear fusion. The composite weaving method for insulating materials for nuclear fusion is applied to coil insulation wrapping, and the inter-turn insulation wrapping of superconducting coils requires the use of a layer of glass ribbon, a layer of (glass ribbon and polyimide composite) ribbon, and a half-lapped glass ribbon wrapping; the composite weaving device for insulating materials for nuclear fusion includes a first glass ribbon reel damper, a polyimide reel damper, a second glass ribbon reel damper, a rolling roller, an ultrasonic thickness gauge, a visual calibration camera, an overlocking machine, an overlocking needle, a transmission platform, a tension composite reel winding wheel, and a multi-channel signal processor; the composite weaving method for insulating materials can greatly improve the efficiency of superconducting coil insulation wrapping while ensuring that the insulation wrapping of the coil meets the insulation resistance requirements.

Description

Technical Field

[0001] The invention relates to the field of research and development of armored superconducting coils for nuclear fusion, and in particular to a composite weaving method and device of insulating materials for nuclear fusion. Background Art

[0002] Unlike non-renewable energy and conventional clean energy, fusion energy has the advantages of unlimited resources, no pollution to the environment, and no production of highly radioactive nuclear waste. It is one of the dominant forms of energy for mankind in the future, and is also one of the important ways currently recognized to ultimately solve the energy and environmental problems of human society and promote the sustainable development of human society. With the increasing demand for social energy, the current nuclear fusion devices can no longer meet the needs of scientific research. The research and construction of large scientific facilities have received widespread attention from more and more scientific research institutions around the world. The operation of large scientific nuclear fusion devices is inseparable from the successful development of superconducting magnets. For superconducting magnets to form a stable magnetic field, good electrophysical insulation wrapping of superconducting coils is required.

[0003] The formation of a uniform and stable magnetic field in a fusion superconducting magnet coil is inseparable from the electrical and physical insulation protection treatment of the coil conductor. During the insulation winding process of the superconducting coil, the insulating auxiliary material wrapped around the conductor is required to not only have good voltage resistance but also have very strict requirements on the structure of the insulating composite material during the insulation winding process of the coil. Otherwise, the insulation winding of the superconducting coil will be difficult to ensure a stable and uniform magnetic field for the nuclear fusion large scientific device to achieve the effect of magnetic confinement of plasma.

[0004] In the process of developing the insulation wrapping of superconducting coils for nuclear fusion, since the superconducting coils are made of alloy materials such as niobium, tin and 316LN, as the insulation wrapping development process proceeds, the insulation wrapping of the superconducting coils needs to be wrapped with insulation materials layer by layer. In this process, there are wrinkles in the wrapping of a single-layer insulation material, which leads to a decrease or increase in the overlap rate of the single-layer insulation material. At the same time, the air enrichment in the folds of the wrapping of the single-layer insulation material will also destroy the electrical and physical insulation properties of the superconducting coil, and even directly cause Pashen discharge of the superconducting coil, thereby destroying the stable operation of the magnetic field. Summary of the invention

[0005] In order to solve the above problems, the present invention provides a composite weaving method and device of insulating materials for nuclear fusion, which can solve the problems of low insulation winding efficiency and unstable insulation material overlapping rate of nuclear fusion superconducting coils, greatly improve the insulation winding efficiency of nuclear fusion superconducting coils and improve the electrical and physical insulation performance of nuclear fusion superconducting coils, effectively reduce the time cost of developers, and greatly improve the degree of automation of the insulation winding development system of nuclear fusion superconducting coils; it has the advantages of high system integration, simple structural assembly, easy operation, strong reliability, etc.

[0006] In order to achieve the above object, the present invention adopts the following technical scheme:

[0007] A composite weaving method of insulating materials for nuclear fusion, comprising the following steps:

[0008] ① preparing a three-layer composite tape, wherein the three-layer composite tape comprises a first glass ribbon, a polyimide ribbon and a second glass ribbon stacked in sequence;

[0009] ② Perform edge detection on the three-layer composite tape and detect the thickness of the three-layer composite tape before edge locking; then edge lock the three-layer composite tape on the three-layer composite tape edge locking platform;

[0010] ③ Perform edge detection on the cross section of the three-layer composite tape;

[0011] ④ Feedback the detection signal of step ③ to the signal processor, and the signal processor gives a judgment instruction to wind the composite tape to complete the winding of the three-layer composite tape.

[0012] Specifically, a composite weaving method of insulating materials for nuclear fusion includes: a first glass ribbon is pulled out from a first glass ribbon disk damper, a polyimide ribbon is pulled out from a polyimide disk damper, and a second glass ribbon is pulled out from a second glass ribbon disk damper, and then rolled into a three-layer insulating composite tape by an upper rolling roller and a lower rolling roller, and then the three-layer composite tape is edge-detected by a first upper visual correction camera and a first lower visual correction camera, and the detection signal is fed back to a signal processor through the first upper visual correction camera signal channel and the first lower visual correction camera signal channel, and the signal processor gives a judgment instruction to cooperate with a composite press to drive the three-layer composite tape edge locking block, and then passes through an ultrasonic The ultrasonic thickness gauge detects the thickness of the three-layer composite belt before edge locking and transmits the detection signal of the ultrasonic thickness gauge signal line to the signal processor to cooperate with the composite press to drive the three-layer composite belt edge locking line for the three-layer composite belt edge locking on the three-layer composite belt edge locking platform and the three-layer composite belt edge locking effect section. Then, the second upper visual correction camera and the second lower visual correction camera are used to perform edge detection on the three-layer composite belt and feed back the detection signal to the signal processor through the second upper visual correction camera signal channel and the second lower visual correction camera signal channel. The signal processor gives a judgment instruction to the three-layer composite belt winding tension wheel through the three-layer composite belt winding tension wheel signal channel to wind the composite belt, thereby completing the winding of the three-layer composite belt.

[0013] A composite braiding device for insulating materials for nuclear fusion, the device is used in the braiding method as described above, and the device used includes a first glass ribbon reel damper, a polyimide reel damper, a second glass ribbon reel damper, an upper rolling roller, a lower rolling roller, a first upper visual correction camera, a composite press, a three-layer composite tape edge locking block, a three-layer composite tape edge locking needle, an ultrasonic thickness gauge, a first lower visual correction camera, a signal processor, a second upper visual correction camera, a three-layer composite tape edge locking platform, a second lower visual correction camera and a three-layer composite tape winding tension wheel;

[0014] Among them, the first glass ribbon disk damper, the polyimide belt disk damper and the second glass ribbon disk damper are arranged in front of the upper rolling roller; the upper rolling roller and the lower rolling roller are arranged oppositely; the first upper visual correction camera and the first lower visual correction camera are arranged oppositely; the first upper visual correction camera is connected to the signal processor; the first lower visual correction camera is connected to the signal processor; the three-layer composite tape locking edge pressing block is provided with a three-layer composite tape locking edge needle; the composite press is connected to the three-layer composite tape locking edge pressing block; the composite press is connected to the signal processor; the three-layer composite tape locking edge pressing block is located above the three-layer composite tape locking edge platform; an ultrasonic thickness gauge is provided at one end of the three-layer composite tape locking edge platform; the ultrasonic thickness gauge is connected to the signal processor; the second upper visual correction camera and the second lower visual correction camera are arranged oppositely; the second upper visual correction camera is connected to the signal processor; the second lower visual correction camera is connected to the signal processor; the three-layer composite tape winding tension wheel is connected to the signal processor.

[0015] Beneficial effects:

[0016] The present invention solves the problems of increased costs of operator errors due to the complicated workload of the superconducting coil flipping process, the high time cost of installing the superconducting coil flipping fixture, and the problem of deformation of dimensional shape and position tolerances during the superconducting coil flipping process due to the low material hardness of the superconducting coil, effectively reducing the cost of operator errors and time costs, while avoiding the risk of accidents caused by superconducting coil flipping. The present invention solves the technical difficulty of the variability of the coil due to the low material hardness, and has the advantages of simple and easy to learn operation method, high degree of system integration automation, and good equipment stability. It has the advantages of simple system structure, convenient operation, simple and easy to learn, and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings which are part of the specification of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments and descriptions of the present invention are used to explain the present invention and do not constitute improper limitations on the present invention.

[0018] Figure 1 It is a schematic structural diagram of a composite braiding device of insulating material for nuclear fusion according to the present invention.

[0019] Among them: 1-first glass ribbon reel damper; 2-polyimide reel damper; 3-second glass ribbon reel damper; 4-polyimide tape; 5-first glass ribbon; 6-second glass ribbon; 7-upper rolling roller; 8-lower rolling roller; 9-first upper visual correction camera signal channel; 10-first upper visual correction camera; 11-composite press; 12-composite press signal line; 13-three-layer composite tape locking block; 14-three-layer composite tape locking needle; 15-ultrasonic thickness gauge; 16-first 1. A lower visual correction camera; 17. Ultrasonic thickness gauge signal line; 18. The first lower visual correction camera signal channel; 19. Signal processor; 20. The three-layer composite tape edge locking effect section; 21. The second upper visual correction camera signal channel; 22. The second upper visual correction camera; 23. The three-layer composite tape edge locking platform; 24. The second lower visual correction camera; 25. The second lower visual correction camera signal channel; 26. The three-layer composite tape winding tension wheel; 27. The three-layer composite tape winding tension wheel signal channel. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with specific embodiments.

[0021] like Figure 1The present invention provides a composite weaving method for insulating materials for nuclear fusion, comprising the steps of: a first glass ribbon 5 is pulled out from a first glass ribbon disc damper 1, a polyimide ribbon 4 is pulled out from a polyimide ribbon disc damper 2, and a second glass ribbon 6 is pulled out from a second glass ribbon disc damper 3, and then rolled into a three-layer composite tape (the three-layer composite tape is a three-layer insulating composite tape) by an upper rolling roller 7 and a lower rolling roller 8, and then edge detection is performed on the three-layer composite tape by a first upper visual correction camera 10 and a first lower visual correction camera 16, and the detection signal is fed back to a signal processor 19 through a first upper visual correction camera signal channel 9 and a first lower visual correction camera signal channel 18, and the signal processor 19 gives a judgment instruction to cooperate with a composite press 11 to drive a three-layer composite tape edge locking block 13, and then passes through a first upper visual correction camera 10 and a first lower visual correction camera 16. The thickness of the three-layer composite tape before edge locking is detected by an ultrasonic thickness gauge 15, and the detection signal of the ultrasonic thickness gauge signal line 17 is transmitted to the signal processor 19 to cooperate with the composite press 11 to drive the three-layer composite tape edge locking needle 14 to lock the three-layer composite tape on the three-layer composite tape edge locking platform 23, the three-layer composite tape edge locking effect section 20, and then the edge of the three-layer composite tape is detected under the second upper visual correction camera 22 and the second lower visual correction camera 24, and the detection signal is fed back to the signal processor 19 through the second upper visual correction camera signal channel 21 and the second lower visual correction camera signal channel 25. The signal processor 19 gives a judgment instruction and interacts with the three-layer composite tape winding tension wheel signal channel 27 to the three-layer composite tape winding tension wheel 26 to wind the composite tape, thereby completing the winding of the three-layer composite tape.

[0022] The device used in the composite weaving method of insulating material for nuclear fusion of the present invention comprises a first glass ribbon disc damper 1, a polyimide disc damper 2, a second glass ribbon disc damper 3, a polyimide tape 4, a first glass ribbon 5, a second glass ribbon 6, an upper rolling roller 7, a lower rolling roller 8, a first upper visual correction camera signal channel 9, a first upper visual correction camera 10, a composite press 11, a composite press signal line 12, a three-layer composite tape locking edge pressing block 13, a three-layer composite tape locking edge needle 14, an ultrasonic Wave thickness gauge 15, first lower visual correction camera 16, ultrasonic thickness gauge signal line 17, first lower visual correction camera signal channel 18, signal processor 19, three-layer composite tape edge locking effect section 20, second upper visual correction camera signal channel 21, second upper visual correction camera 22, three-layer composite tape edge locking platform 23, second lower visual correction camera 24, second lower visual correction camera signal channel 25, three-layer composite tape winding tension wheel 26 and three-layer composite tape winding tension wheel signal channel 27. Among them, the first glass ribbon disk damper 1, polyimide disk damper 2 and second glass ribbon disk damper 3 are arranged in front of the upper rolling roller 7. The upper rolling roller 7 and the lower rolling roller 8 are arranged oppositely. The first glass ribbon 5 is pulled out from the first glass ribbon disk damper 1, the polyimide tape 4 is pulled out from the polyimide disk damper 2, and the second glass ribbon 6 is pulled out from the second glass ribbon disk damper 3. The first upper visual correction camera 10 and the first lower visual correction camera 16 are arranged opposite to each other. The first upper visual correction camera 10 is connected to the signal processor 19 through the first upper visual correction camera signal channel 9. The first lower visual correction camera 16 is connected to the signal processor 19 through the first lower visual correction camera signal channel 18. A three-layer composite tape edge locking needle 14 is arranged on the three-layer composite tape edge locking block 13. The composite press 11 is connected to the three-layer composite tape edge locking block 13. The composite press 11 is connected to the signal processor 19 through the composite press signal line 12. The three-layer composite tape edge locking block 13 is located above the three-layer composite tape edge locking platform 23. An ultrasonic thickness gauge 15 is arranged at one end of the three-layer composite tape edge locking platform 23. The ultrasonic thickness gauge 15 is connected to the signal processor 19 through the ultrasonic thickness gauge signal line 17. The three-layer composite tape is edge locked on the three-layer composite tape edge locking platform 23, and the upper surface of the three-layer composite tape after edge locking is the edge locking effect section 20. The second upper visual correction camera 22 and the second lower visual correction camera 24 are arranged opposite to each other. The second upper visual correction camera 22 is connected to the signal processor 19 via the second upper visual correction camera signal channel 21. The second lower visual correction camera 24 is connected to the signal processor 19 via the second lower visual correction camera signal channel 25. The three-layer composite tape winding tension wheel 26 is connected to the signal processor 19 via the three-layer composite tape winding tension wheel signal channel 27.

[0023] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite weaving method of insulating materials for nuclear fusion, characterized in that: The following steps are involved: ①: The first glass ribbon (5) is pulled out from the first glass ribbon disc damper (1), the polyimide ribbon (4) is pulled out from the polyimide ribbon disc damper (2), and the second glass ribbon (6) is pulled out from the second glass ribbon disc damper (3), and then rolled into a three-layer composite tape by an upper rolling roller (7) and a lower rolling roller (8); wherein the three-layer composite tape is an insulating composite tape; ②: Then, the edge of the three-layer composite tape is detected by the first upper visual correction camera (10) and the first lower visual correction camera (16), and the detection signal is fed back to the signal processor (19) through the first upper visual correction camera signal channel (9) and the first lower visual correction camera signal channel (18). The signal processor (19) gives a judgment instruction to cooperate with the composite press (11) to drive the three-layer composite tape edge locking block (13), and then the thickness of the three-layer composite tape before edge locking is detected by the ultrasonic thickness gauge (15), and the detection signal of the ultrasonic thickness gauge signal line (17) is transmitted to the signal processor (19) to cooperate with the composite press (11) to drive the three-layer composite tape edge locking needle (14) to lock the three-layer composite tape on the three-layer composite tape edge locking platform (23); ③: The cross section (20) of the three-layer composite tape with the edge locking effect, and then the edge detection of the three-layer composite tape is performed under the second upper visual correction camera (22) and the second lower visual correction camera (24); ④: The detection signal obtained by the edge detection in step ③ is fed back to the signal processor (19) through the second upper visual correction camera signal channel (21) and the second lower visual correction camera signal channel (25). The signal processor (19) gives a judgment instruction to interact with the three-layer composite tape winding tension wheel (26) through the three-layer composite tape winding tension wheel signal channel (27) to wind the composite tape, thereby completing the winding of the three-layer composite tape.

2. A composite braided device of insulating material for nuclear fusion, characterized in that: The device is used in the weaving method described in claim 1, and the device comprises a first glass ribbon reel damper (1), a polyimide reel damper (2), a second glass ribbon reel damper (3), an upper rolling roller (7), a lower rolling roller (8), a first upper visual correction camera (10), a composite press (11), a three-layer composite tape edge locking block (13), a three-layer composite tape edge locking needle (14), an ultrasonic thickness gauge (15), a first lower visual correction camera (16), a signal processor (19), a second upper visual correction camera (22), a three-layer composite tape edge locking platform (23), a second lower visual correction camera (24) and a three-layer composite tape winding tension wheel (26); The first glass ribbon reel damper (1), the polyimide reel damper (2) and the second glass ribbon reel damper (3) are arranged in front of the upper rolling roller (7); the upper rolling roller (7) and the lower rolling roller (8) are arranged opposite to each other; the first upper visual correction camera (10) and the first lower visual correction camera (16) are arranged opposite to each other; the first upper visual correction camera (10) is connected to the signal processor (19); the first lower visual correction camera (16) is connected to the signal processor (19); a three-layer composite tape edge locking needle (14) is arranged on the three-layer composite tape edge locking pressing block (13); and a composite press (11) is connected to the three-layer composite tape edge locking pressing block (13). ); the composite press (11) is connected to the signal processor (19); the three-layer composite tape edge locking block (13) is located above the three-layer composite tape edge locking platform (23); an ultrasonic thickness gauge (15) is provided at one end of the three-layer composite tape edge locking platform (23); the ultrasonic thickness gauge (15) is connected to the signal processor (19); the second upper visual correction camera (22) and the second lower visual correction camera (24) are arranged opposite to each other; the second upper visual correction camera (22) is connected to the signal processor (19); the second lower visual correction camera (24) is connected to the signal processor (19); the three-layer composite tape winding tension wheel (26) is connected to the signal processor (19).

3. The device according to claim 2, characterized in that The first upper visual correction camera (10) is connected to the signal processor (19) via a first upper visual correction camera signal channel (9); and the first lower visual correction camera (16) is connected to the signal processor (19) via a first lower visual correction camera signal channel (18).

4. The device according to claim 2, characterized in that The composite press (11) is connected to the signal processor (19) via a composite press signal line (12); the ultrasonic thickness gauge (15) is connected to the signal processor (19) via an ultrasonic thickness gauge signal line (17); the second upper visual correction camera (22) is connected to the signal processor (19) via a second upper visual correction camera signal channel (21); and the second lower visual correction camera (24) is connected to the signal processor (19) via a second lower visual correction camera signal channel (25).

5. The device according to claim 2, characterized in that The three-layer composite tape winding tension wheel (26) is connected to the signal processor (19) via the three-layer composite tape winding tension wheel signal channel (27).

Images