Flexible armored temperature measuring device for superconducting tape production

Abstract

The utility model relates to a flexible armored temperature measuring device for superconducting tape production, which comprises two thermocouple wires. The corrugated pipe is arranged on the outer sides of the two thermocouple wires and used for protecting the thermocouple wires; the outer side of each thermocouple wire located in the corrugated pipe is sleeved with a plurality of insulating magnetic beads. The reducing joint is arranged at one end of the corrugated pipe and used for preventing the insulating magnetic bead from sliding out, and the ends, extending out of the reducing joint, of the two thermocouple wires are welded into a whole; the armored sleeve sleeves the outer side of the thermocouple wire and is welded and fixed with the other end of the corrugated pipe; and the two thermocouple wires extend out of the end part of the armored sleeve and then are connected with an instrument through high-temperature-resistant glass fiber wires. The cable can effectively adapt to armoring deformation in a high-temperature environment, reduce temperature control abnormity, reduce thermocouple replacement frequency, reduce production cost and improve stability of a production process.

Description

Technical Field

[0001] The utility model relates to the technical field of high-temperature superconducting tape processing, in particular to a flexible armored temperature measuring device used for superconducting tape production. Background Art

[0002] In the production of high-temperature superconducting tape, particularly in the preparation of second-generation high-temperature superconducting tape (YBCO thin films) using metal-organic chemical vapor deposition (MOCVD), precise temperature control is a key factor in ensuring product quality and performance. These production processes typically operate in high-temperature environments ranging from 800 to 900 degrees Celsius, requiring accurate measurement and control of the tape surface temperature to achieve efficient and stable production.

[0003] Existing temperature measurement devices typically use armored thermocouples. While this structure provides a certain degree of protection, due to the difference in thermal expansion coefficient between the armored structure and the thermocouple wire, prolonged exposure to high temperatures can cause mechanical damage to the wire. This damage not only increases the frequency of thermocouple replacement but can also lead to temperature control anomalies, impacting the performance and yield of superconducting tape. Furthermore, frequent thermocouple replacement increases production costs and reduces efficiency.

[0004] In addition, existing armored thermocouples lack flexibility in high-temperature environments and have difficulty adapting to armor deformation. This is particularly prominent in the MOCVD process, because the high temperature and chemical gases in the process may cause the performance of the armor material to deteriorate.

[0005] The utility model aims to solve the temperature control problem in the production process of high-temperature superconducting tapes in the prior art, and provides a flexible armor temperature measuring device for superconducting tape production. The device can effectively adapt to armor deformation in high-temperature environments, reduce temperature control abnormalities, reduce the frequency of thermocouple replacement, reduce production costs, and improve the stability of the production process.

[0006] Therefore, a flexible armored temperature measuring device for superconducting tape production is needed to address the deficiencies of the prior art. Utility Model Content

[0007] To this end, the technical problem to be solved by the present invention is to overcome the temperature control difficulties in the production process of high-temperature superconducting tapes in the prior art, and to provide a flexible armored temperature measuring device for superconducting tape production, which can accurately measure the temperature of superconducting tapes in a high-temperature environment, ensuring temperature control during the production process. The bellows and insulating magnetic beads constitute a flexible armor structure, which effectively adapts to the armor deformation in a high-temperature environment, reduces the temperature control abnormality caused by armor deformation during the production process, reduces the frequency of replacement of temperature control thermocouples, reduces production costs, and improves the stability of the production process.

[0008] In order to solve the above technical problems, the utility model provides a flexible armored temperature measuring device for superconducting tape production, comprising:

[0009] Thermocouple wires, including two;

[0010] A bellows is provided on the outside of the two thermocouple wires for protecting the thermocouple wires; a plurality of insulating magnetic beads are sheathed on the outside of each thermocouple wire located inside the bellows;

[0011] A reducer is provided at one end of the bellows to prevent the insulating magnetic bead from sliding out, and one end of the two thermocouple wires extending out of the reducer is welded into one body;

[0012] The armored sleeve is sleeved on the outside of the thermocouple wire and is welded and fixed to the other end of the corrugated pipe; the two thermocouple wires extend out of the ends of the armored sleeve and are connected to the instrument through wires.

[0013] In one embodiment of the present invention, plaster and resin are encapsulated between the thermocouple wire and the armored sleeve to seal the interior of the armored sleeve. By encapsulating the plaster and resin between the thermocouple wire and the armored sleeve, the interior of the armored sleeve is sealed, enhancing the device's temperature and pressure resistance.

[0014] In one embodiment of the present invention, the gypsum is made of calcium sulfate powder that is heat-resistant up to 400° C. The calcium sulfate powder that is heat-resistant up to 400° C. can remain stable at temperatures up to 400° C. without decomposition or structural changes.

[0015] In one embodiment of the present invention, the bellows is a high-temperature resistant vacuum bellows with a wall thickness of 1.5 mm. The use of a high-temperature resistant vacuum bellows with a wall thickness of 1.5 mm enhances the temperature and pressure resistance of the bellows 2 and protects the thermocouple wire from external environmental influences.

[0016] In one embodiment of the present invention, the size of the head of the thermocouple wire after welding is less than 1.6 mm. This design enables the temperature measuring device to be more accurately inserted into a narrow space for temperature measurement, thereby improving the flexibility and accuracy of the measurement.

[0017] In one embodiment of the present invention, the diameter of the thermocouple wire is equal to 0.2 mm. The design of the diameter of the thermocouple wire facilitates more sensitive detection and control of the temperature of the temperature zone, making the temperature measurement more accurate and timely.

[0018] In one embodiment of the present invention, the length of the insulating magnetic beads is set according to actual needs. The length of the insulating magnetic beads is set according to actual needs, which provides flexibility and enables the temperature measuring device to adapt to superconducting tapes of different lengths and shapes.

[0019] In one embodiment of the present invention, the length of the bellows is greater than or equal to the length of the bellows after being spliced ​​with the insulating magnetic beads. The bellows length is greater than or equal to the length of the insulating magnetic beads after being spliced, ensuring the integrity and protection performance of the entire temperature measurement device and preventing the thermocouple wire from being exposed to high temperature environments.

[0020] In one embodiment of the present invention, the conductor is a high-temperature resistant glass fiber conductor.

[0021] In one embodiment of the present invention, the length of the insulating magnetic beads after being spliced ​​outside the thermocouple wire is 150 mm, and the length of the corrugated tube is 150 mm.

[0022] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0023] The flexible armored temperature measuring device for superconducting tape production described in the present invention is capable of accurately measuring the temperature of superconducting tape in a high-temperature environment, ensuring temperature control during the production process. The bellows and insulating magnetic beads constitute a flexible armor structure that can adapt to different bending and twisting while maintaining a certain strength and protection capability, effectively adapting to armor deformation in a high-temperature environment, reducing temperature control anomalies caused by armor deformation during the production process, reducing the frequency of replacing temperature-control thermocouples, reducing production costs, and improving the stability of the production process. The method for manufacturing the flexible armored temperature measuring device simplifies the operating process, making the manufacture of the temperature measuring device simpler and more efficient, reducing the possibility of operating errors, and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0025] Figure 1 This is a schematic structural diagram of a flexible armored temperature measuring device for superconducting tape production in a preferred embodiment of the present invention;

[0026] Figure 2 for Figure 1 Schematic diagram of the partial structure of the thermocouple wire and bellows of the flexible armored temperature measuring device used in the production of superconducting tapes;

[0027] Figure 3 for Figure 1The diagram shows the end face structure of the thermocouple wire of the flexible armored temperature measuring device used in the production of superconducting tapes after the ends are welded.

[0028] Explanation of the reference numerals in the accompanying drawings in the specification: 1. Thermocouple wire; 2. Bellows; 3. Insulating magnetic beads; 4. Reducer; 5. Armored casing. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention. Example 1

[0030] Reference Figure 1 As shown, the utility model provides a flexible armored temperature measuring device for superconducting tape production, comprising:

[0031] Thermocouple wires 1, including two;

[0032] The bellows 2 is arranged outside the two thermocouple wires 1 to protect the thermocouple wires 1; a plurality of insulating magnetic beads 3 are sheathed outside each of the thermocouple wires 1 inside the bellows 2;

[0033] A reducer 4 is provided at one end of the bellows 2 to prevent the insulating magnetic bead 3 from sliding out. The ends of the two thermocouple wires 1 extending from the reducer 4 are welded together. The design of the reducer 4 can prevent the insulating magnetic bead 3 from pulling the thermocouple wires 1 when insulating.

[0034] The armored sleeve 5 is sleeved on the outside of the thermocouple wire 1 and is welded to the other end of the corrugated tube 2. The two thermocouple wires 1 extend out of the ends of the armored sleeve 5 and are connected to the instrument through wires. In this embodiment, the wires are high-temperature resistant glass fiber wires.

[0035] Furthermore, plaster and resin are encapsulated between the thermocouple wire 1 and the armored sleeve 5 to seal the interior of the armored sleeve 5. By encapsulating plaster and resin between the thermocouple wire and the armored sleeve, the interior of the armored sleeve 5 is sealed, thereby enhancing the temperature and pressure resistance of the device.

[0036] The gypsum in this embodiment is made of calcium sulfate powder that is heat-resistant at 400°C. This powder can remain stable at temperatures up to 400°C without decomposing or changing its structure. Using this powder as the gypsum material improves the stability and service life of the temperature measuring device in high-temperature environments.

[0037] Preferably, the bellows 2 is a high-temperature resistant vacuum bellows with a wall thickness of 1.5 mm. The use of a high-temperature resistant vacuum bellows with a wall thickness of 1.5 mm enhances the temperature and pressure resistance of the bellows 2 and protects the thermocouple wire 1 from external environmental influences.

[0038] Preferably, the diameter of the thermocouple wire 1 is equal to 0.2 mm. The diameter of the thermocouple wire 1 is equal to 0.2 mm, which facilitates more sensitive detection and control of the temperature of the temperature zone, making the temperature measurement more accurate and timely.

[0039] In actual use, the length of the spliced ​​insulating magnetic beads 3 is set according to actual needs. The length of the spliced ​​insulating magnetic beads 3 is set according to actual needs, which provides flexibility and enables the temperature measuring device to adapt to superconducting tapes of different lengths and shapes.

[0040] In this embodiment, the length of the bellows 2 is equal to the length after being spliced ​​with the insulating magnetic beads 3. The length of the bellows 2 is greater than or equal to the length after being spliced ​​with the insulating magnetic beads 3, ensuring the integrity and protection of the entire temperature measuring device and preventing the thermocouple wire 1 from being exposed to high temperature environments.

[0041] Preferably, the conductor is a high-temperature resistant glass fiber conductor.

[0042] Based on the flexible armored temperature measuring device for superconducting tape production in the above embodiment, it is possible to accurately measure the temperature of the superconducting tape in a high-temperature environment, ensuring temperature control during the production process. The bellows 2 and the insulating magnetic beads 3 constitute a flexible armor structure, which can maintain a certain strength and protection capability while adapting to different bending and twisting. It can effectively adapt to armor deformation in a high-temperature environment, reduce the temperature control abnormality caused by armor deformation during the production process, reduce the frequency of replacement of temperature-control thermocouples, reduce production costs, and improve the stability of the production process. The device reduces the frequency of replacement of temperature-control thermocouples, thereby reducing production costs. Example 2

[0043] In order to solve the above technical problems, the present invention provides a method for manufacturing a flexible armored temperature measuring device for superconducting tape production, comprising the following steps:

[0044] Step 1) Pass two thermocouple wires 1 through the reducer 4 in parallel, and weld the two thermocouple wires 1 together at the end extending out of the reducer 4. The diameter after welding cannot exceed 1.6 mm.

[0045] Step 2) On the two thermocouple wires 1 at the other end of the reducer 4, place the insulating magnetic beads 3 on the outside of the two thermocouple wires 1;

[0046] Step 3) Installing the corrugated tube 2 on the outside of the insulating magnetic bead 3;

[0047] Step 4) Insert the thermocouple wire extending from the corrugated tube 2 into the armored sleeve 5, and then seal the inside of the armored sleeve 5 with gypsum and sealing resin;

[0048] Step 5) Weld and fix the two ends of the corrugated pipe 2 to the reducer 4 and the armored sleeve 5 respectively;

[0049] Step 6) Connecting the thermocouple wire 1 extending from the end of the armored sleeve 5 to the wire by welding;

[0050] Step 7) Connect the instrument via wires to measure temperature.

[0051] Through the above-mentioned production method, the operation process is simplified, the production of the temperature measuring device is made simpler and more efficient, the possibility of operational errors is reduced, production efficiency and product quality are improved, long-term operating costs are reduced, and the stability and safety of the device in high-temperature environments are enhanced.

[0052] In this embodiment, the length of the insulating magnetic beads 3 after being spliced ​​outside the thermocouple wire 1 is 150 mm, and the length of the corrugated tube 2 is 150 mm.

[0053] like Figure 3 As shown, the head diameter of the thermocouple wire 1 is less than 1.6 mm. This design enables the temperature measuring device to be more accurately inserted into a narrow space for temperature measurement, thereby improving the flexibility and accuracy of the measurement.

[0054] Obviously, the above embodiments are merely examples for clarity of explanation and are not intended to limit the implementation methods. Those skilled in the art will readily appreciate that other variations or modifications based on the above descriptions are possible. It is not necessary and impossible to enumerate all implementation methods here. Obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. A flexible armored temperature measuring device for superconducting tape production, characterized in that: include: Thermocouple wires, including two; A bellows, arranged outside the two thermocouple wires, for protecting the thermocouple wires; A plurality of insulating magnetic beads are sheathed on the outer side of each thermocouple wire located inside the corrugated tube; A reducer is provided at one end of the bellows to prevent the insulating magnetic bead from sliding out, and one end of the two thermocouple wires extending out of the reducer is welded into one body; The armored sleeve is sleeved on the outside of the thermocouple wire and is welded and fixed to the other end of the corrugated pipe; the two thermocouple wires extend out of the ends of the armored sleeve and are connected to the instrument through wires.

2. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: Gypsum and resin are encapsulated between the thermocouple wire and the armored sleeve to seal the interior of the armored sleeve.

3. A flexible armored temperature measuring device for superconducting tape production according to claim 2, characterized in that: The gypsum is made of calcium sulfate powder that is temperature-resistant at 400°C.

4. A flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The bellows is a high-temperature resistant vacuum bellows with a wall thickness of 1.5 mm.

5. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The size of the head of the thermocouple wire after welding is less than 1.6 mm.

6. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The diameter of the thermocouple wire is equal to 0.2 mm.

7. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The length of the spliced ​​insulating magnetic beads is set according to actual needs.

8. A flexible armored temperature measuring device for superconducting tape production according to claim 7, characterized in that: The length of the corrugated tube is greater than or equal to the length after being spliced ​​with the insulating magnetic beads.

9. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The conductor is a high-temperature resistant glass fiber conductor.

10. The flexible armored temperature measuring device for superconducting tape production according to claim 1, characterized in that: The length of the insulating magnetic beads after splicing outside the thermocouple wire is 150 mm, and the length of the corrugated tube is 150 mm.

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