CN112543523A - Extremely-low-frequency superconducting induction heating device and process flow - Google Patents
Extremely-low-frequency superconducting induction heating device and process flow Download PDFInfo
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- CN112543523A CN112543523A CN202011402369.7A CN202011402369A CN112543523A CN 112543523 A CN112543523 A CN 112543523A CN 202011402369 A CN202011402369 A CN 202011402369A CN 112543523 A CN112543523 A CN 112543523A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 114
- 230000006698 induction Effects 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000005291 magnetic effect Effects 0.000 claims description 59
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
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Abstract
The invention relates to the field of superconducting induction heating, and discloses a very-low-frequency superconducting induction heating device and a process flow.
Description
Technical Field
The invention relates to the technical field of superconducting induction heating, in particular to extremely-low-frequency superconducting induction heating equipment and a process flow.
Background
The high-temperature superconducting technology is a high-tech technology with the most potential in the twenty-first century, and becomes a new high-point in the world scientific field of the 21 st century, developed countries/regions such as the United states, Japan, European Union and the like have raised the high-temperature superconducting technology to the strategic height, and documents such as thirteen-five plans and China manufacturing 2025 are continuously issued in China, and the high-temperature superconducting technology is listed as a leading-edge technology of key support.
At present, the existing alternating current induction heating technology has certain limitation, and for some special workpieces to be heated, the heat penetration depth of a heating metal rod is very small due to the skin effect, the heating uniformity is not high, and the heating efficiency is low.
Disclosure of Invention
In some embodiments of the present application, a very low frequency superconducting induction heating apparatus and process flow are provided to solve the problem of non-uniform heating of conventional apparatuses.
In some embodiments of this application, a super low frequency superconducting induction heating device is provided, the work piece is through the space internal rotation is placed in magnetic field, forms the vortex in the work piece inside to heat the work piece, because its frequency of operation is extremely low, and through electric capacity control temperature, compare in traditional heating equipment, have that heating temperature is even, rate of heating is fast, but continuous operation, metallographic structure controllability are strong etc. are showing the advantage, but wide application is in the preheating treatment of non-ferromagnetic metal or alloy calendering shaping in-process. Particularly, for 2 series and 7 series aviation alloy material workpieces with large size (diameter more than 400 mm) and high quality requirements, the controllable and super-uniform heating of temperature gradient can be realized, the heating quality and the production efficiency of the workpieces are improved, and the problem of uneven heating of the traditional equipment in the industry is thoroughly solved.
In some embodiments of the present application, a very low frequency superconducting induction heating apparatus is disclosed, comprising: the base is used for mounting working components of all parts of the extremely-low-frequency superconducting induction heating device; the driving device is fixed on the base and used for providing rotary power for the workpiece to be heated; the clamping device is arranged on the driving device and is used for clamping and fixing a workpiece on the driving device; the heating device is fixed on the base and is arranged into a superconducting magnet structure; the heating device comprises an iron core and a superconducting coil, the superconducting coil is of an annular structure as a whole, the iron core penetrates through the annular center of the superconducting coil, and a magnetic field placing space for placing a rotating workpiece is formed in the iron core; wherein the workpiece rotates in the magnetic field placing space to form an eddy current inside the workpiece so as to heat the workpiece.
In some embodiments of the present application, the driving device includes a first motor and a second motor, the first motor and the second motor are symmetrically disposed at two ends of the base, and the rotation parameters of the first motor and the second motor are the same.
In some embodiments of the present application, the clamping device includes a first clamping device and a second clamping device, the first clamping device and the second clamping device are respectively disposed on a motor shaft of the first motor and the second motor, the first clamping device and the second clamping device are respectively clamped at two ends of a workpiece, and the first motor and the second motor rotate to drive the workpiece to rotate.
In some embodiments of the present application, a hydraulic cylinder is disposed between the clamping device and the driving device, and the hydraulic cylinder extends and retracts to place the workpiece to be heated.
In some embodiments of the present application, the magnetic induction intensity in the magnetic field placing space is not less than 0.45T.
In some embodiments of the present application, the core comprises: a winding portion for winding and mounting the superconducting coil; the end head part is the end part of the iron core, the end head parts are oppositely arranged to form the magnetic field placing space, and when the superconducting coil is electrified, the magnetic field placing space forms an induction magnetic field.
In some embodiments of the present application, the superconducting coil is connected to a dc power supply.
In some embodiments of the present application, a process for heating a workpiece by a very low frequency superconducting induction heating apparatus is further included:
s1, mounting the workpiece, conveying the workpiece to a magnetic field placing space by the material conveying device, starting a heating program, and pushing the clamping part to do linear motion towards the workpiece by the hydraulic cylinder so that the clamping part is sleeved at the end part of the workpiece;
s2, heating the workpiece, after the workpiece is installed, operating a motor, driving a sliding part by the rotation of a motor shaft, driving a clamping part to rotate by a bearing inner ring of a pushing part, driving the workpiece to rotate at a magnetic field placing space by the clamping part, wherein a strong direct current magnetic field is arranged in the magnetic field placing space, eddy current is generated inside the workpiece, and uniform heating is realized;
and S3, disassembling the workpiece, after the workpiece is heated, grabbing the workpiece by the material conveying device, driving the clamping part to do linear motion in the direction opposite to the workpiece by the hydraulic cylinder, and separating the clamping part from the workpiece to finish disassembling the workpiece.
According to the superconducting induction heating technology, a direct-current power supply is adopted, a background magnetic field is generated through a superconducting magnet, a direct-current air gap magnetic field is established in a heating area, and a blank rotates to cut a magnetic line of force to generate a vortex to be heated, so that a heating mode with high penetration depth, high energy efficiency, high heating uniformity and controllable temperature gradient is realized, and the high added value of the quality of a heating workpiece can be guaranteed.
Drawings
FIG. 1 is a side view of a very low frequency superconducting induction heating apparatus in an embodiment of the present invention;
FIG. 2 is a block diagram of a very low frequency superconducting induction heating apparatus in an embodiment of the present invention;
FIG. 3 is a structural view of a heating apparatus in an embodiment of the present invention;
fig. 4 is a sectional view of a clamping device in an embodiment of the invention.
In the figure, 100, the base; 200. a drive device; 210. a first motor; 220. a second motor; 230. a motor shaft; 300. a clamping device; 310. a hydraulic cylinder; 320. a pushing part 330, a sliding part; 340. a clamping portion; 400. a heating device; 410. an iron core; 420. a coil; 430. an end portion; 440. a winding part; 500. and (5) a workpiece.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
In the present application, the direction or positional relationship indicated by "inner" is the side closer to the geometric center of the material handling apparatus based on the drawings, and the direction or positional relationship indicated by "outer" is the side away from the geometric center of the material handling apparatus based on the drawings.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 and 3, in some embodiments of the present application, a very low frequency superconducting induction heating apparatus 400 includes a base 100, a driving apparatus 200, a clamping apparatus 300, and a heating apparatus 400.
The extremely-low frequency superconducting induction heating device 400 is a device with an integral structure, each component of the extremely-low frequency superconducting induction heating device 400 is arranged on the base 100, the driving device 200 and the heating device 400 are fixed on the base 100, the driving device 200 is used for driving the workpiece 500 to rotate in the heating device 400, the driving device 200 is provided with a clamping device 300, the clamping device 300 is used for clamping the workpiece 500 and detachably and fixedly connecting the workpiece 500 to the driving device 200, the heating device 400 is of a superconducting magnet structure, and the heating device 400 can accommodate the workpiece 500 for internal heating.
The heating device 400 includes an iron core 410 and a superconducting coil 420, the superconducting coil 420 is a ring-shaped structure and is mounted on the iron core 410 in a surrounding manner, the iron core 410 can accommodate the workpiece 500 and the surrounding iron core 410, a magnetic field penetrates through a position for accommodating the workpiece 500, the workpiece 500 rotates in the magnetic field, and eddy current is generated inside the workpiece 500 to heat the workpiece 500.
It should be noted that, the extremely low frequency superconducting induction heating device 400 surrounds the iron core 410 by using the superconducting coil 420, a strong direct current magnetic field is generated inside the iron core 410, and meanwhile, the driving device 200 and the clamping device 300 are arranged in a staggered manner to enable the workpiece 500 to rotate in the strong direct current magnetic field, so that eddy current is generated inside the workpiece 500, thereby achieving the purpose of heating the workpiece 500.
As shown in fig. 1 and 2, in some embodiments of the present application, the base 100 is used to be fixedly connected to each component in the very low frequency superconducting induction heating apparatus 400, and the structure of the base 100 is a plate-shaped structure having protrusions and depressions, and the protrusions and depressions of the base 100 have the following dimensions: when the components are fixedly connected to the base 100, the workpiece 500 clamped by the driving device 200 and the clamping device can enter the strong direct current magnetic field in the heating device 400.
It should be noted that, because the heating device 400 needs to generate a very large strong dc magnetic field, the volume of the heating device 400 is much larger than that of the driving device 200 and the holding device, but in order to meet the heating requirement, the clamping device 300 needs to be collinear with the strong dc magnetic field of the heating device 400, a recess is arranged on the base 100, and the heating device 400 is arranged in the recess, so that the strong dc magnetic field, the driving device 200 and the clamping device are collinear, and the workpiece 500 rotates in the strong dc magnetic field.
As shown in fig. 1 and 3, in some embodiments of the present application, the heating device 400 is fixedly connected to the base 100, the heating device 400 includes an iron core 410 and a coil 420, the iron core 410 is a rectangular ring with two ends penetrating, and an opening is disposed on an upper side of the ring structure, two ends of the opening are end portions 430, the superconducting coil 420 is sleeved on the iron core 410, and a portion sleeved on the superconducting coil 420 is a winding portion 440.
The middle of the end part 430 is used for accommodating the workpiece 500 for heating, the superconducting coil 420 is connected with a direct current power supply, the size and the direction of an induction magnetic field are stable, when the superconducting coil 420 is electrified, a strong direct current magnetic field is induced in the iron core 410 and generated, the strong direct current magnetic field penetrates through the workpiece 500 at the end part 430, the workpiece 500 rotates in the middle of the end part 430 under the driving of the driving device 200, eddy current is generated inside, and heating is completed.
In the embodiment of the present application, the core 410 is a rectangular ring structure, and the two end portions 430 are disposed, so as to heat one workpiece 500, in the preferred embodiment of the present application, the core 410 is two rectangular rings connected to each other, and the four end portions 430 are disposed, so as to heat two components at the same time.
In a specific embodiment of the present application, the heated workpiece 500 is a space for placing an aluminum ingot with a diameter of 450mm and a length of 800-1500 mm, and the heating period of the aluminum ingot is 10 minutes, in order to meet the processing requirement, the magnetic induction intensity of the magnetic field placing space is not less than 0.45T, and if the magnetic field intensity of the magnetic field placing space is less than 0.45T, the entire heating period of the aluminum ingot will exceed 10 minutes.
It should be noted that, the heating device 400 arranges the workpiece 500 inside the annular structure of the iron core 410, so that the strong dc magnetic field directly penetrates through the inside of the workpiece 500, the utilization of the magnetic induction lines is maximized, the heating efficiency is improved, and the ultra-uniform heating is realized.
As shown in fig. 2 and 4, in some embodiments of the present application, the driving device 200 is fixedly connected to the base 100, the driving device 200 is disposed on both sides of the heating device 400, a center line of the driving device 200 is collinear with a center line of the magnetic field placement space, the driving device 200 includes a first motor 210 and a second motor 220, the first motor 210 and the second motor 220 are symmetrically disposed on both sides of the heating device 400, and the first motor 210 and the second motor 220 rotate at the same speed and rotate in the same direction.
In some embodiments of the present application, the clamping device 300 is connected to the driving device 200 and fixedly connected to the base 100, the clamping device 300 is coaxially disposed with the driving device 200, and the clamping device 300 includes a first clamping device 300 and a second clamping device 300, which are respectively disposed at two sides of the heating device 400 and connected to the first motor 210 and the second motor 220.
The first clamping device 300 and the second clamping device 300 each include two hydraulic cylinders 310, a pushing portion 320, a sliding portion 330 and a clamping portion 340, in each clamping device 300, two hydraulic cylinders 310 are provided, the two hydraulic cylinders 310 are respectively provided at both sides and connected to the base 100, the other ends of the two hydraulic cylinders 310 are connected to the pushing portion 320 for pushing the clamping device 300 to move linearly, the sliding portion 330 is provided between the two hydraulic cylinders 310, one end of the sliding portion 330 is connected to the motor shaft 230 in a key manner to slide along the motor shaft 230 and rotate along the motor shaft 230, the other end of the sliding portion 330 is connected to the pushing portion 320, a circular opening is provided at the center of the pushing portion 320, a bearing inner ring is provided on the opening, the sliding portion 330 penetrates through the bearing inner ring and is fixedly connected to the bearing inner ring and the clamping portion 340, the clamping portion 340 is used for clamping the workpiece 500, the motor shaft 230 drives, driving the workpiece 500 to rotate.
After the heating device 400 is started, the hydraulic cylinder 310 pushes the bearing to move linearly to a working position to clamp the workpiece 500, then the motor rotates to drive the workpiece 500 to rotate through the inner ring of the bearing, and heating in the heating device 400 is realized.
It should be noted that, the hydraulic cylinder 310 controls the linear motion of the clamping device 300, and the motor and the bearing cooperate to realize the rotation of the workpiece 500, so that the structure is simple, the motion process of the workpiece 500 is automatically executed, and the work efficiency is improved.
The process flow of the application is as follows:
s1, installing the workpiece, conveying the workpiece 500 to a magnetic field placing space by the material conveying device, starting a heating program, and pushing the clamping part 340 to make linear motion towards the workpiece 500 by the hydraulic cylinder 310 so that the clamping part 340 is sleeved at the end part of the workpiece 500;
s2, heating the workpiece, after the workpiece 500 is installed, operating the motor, driving the sliding part 330 by the rotation of the motor shaft 230, driving the clamping part 340 to rotate by the sliding part 330 through the bearing inner ring of the pushing part 320, driving the workpiece 500 to rotate at the magnetic field placing space by the clamping part 340, having a strong direct current magnetic field in the magnetic field placing space, generating eddy current inside the workpiece 500, and realizing uniform heating;
and S3, disassembling the workpiece, after the workpiece 500 is heated, grabbing the workpiece 500 by the material conveying device, driving the clamping part 340 to do linear motion in the direction opposite to the workpiece 500 by the hydraulic cylinder 310, separating from the workpiece 500, and completing disassembling the workpiece 500.
The invention provides a very low frequency superconducting heating device 400, which comprises a base 100, a driving device 200, a clamping device 300 and a heating device 400, wherein a magnetic field placing space is arranged in the heating device 400, a workpiece 500 rotates in the magnetic field placing space to form eddy current inside the workpiece 500 so as to heat the workpiece 500, and the working frequency is extremely low, and the temperature is controlled by electric quantity. Particularly, for 2 series and 7 series aviation alloy material workpieces 500 with large size (diameter more than 400 mm) and high quality requirement, the controllable and super-uniform heating of temperature gradient can be realized, the heating quality and the production efficiency of the workpieces 500 are improved, and the problem of uneven heating of the traditional equipment in the industry is thoroughly solved.
According to the first conception of this application, heating device to the work piece has improved, set up heating device as utmost point low frequency superconductive induction heating device, utmost point low frequency superconductive induction heating device utilizes superconducting coil to enclose around the iron core, at the inside strong direct current magnetic field that generates of iron core, crisscross drive arrangement and clamping device that set up simultaneously make the work piece rotate in strong direct current magnetic field, make the inside vortex that produces of work piece, realize the purpose of heating the work piece, compare in traditional heating equipment, heat the work piece through utmost point low frequency superconductive induction heating device, it is even to have a heating temperature, the rate of heating is fast, can work in succession, metallographic structure controllability is strong etc. is showing the advantage, can realize the controllable super even heating of temperature gradient, improve work piece heating quality and production efficiency.
According to the second concept of the application, be provided with the base in extremely low frequency superconducting induction heating device, because heating device needs to produce very big strong direct current magnetic field, heating device's volume is far greater than drive arrangement and adds the holding device, but in order to satisfy the demand of heating, clamping device need with heating device's strong direct current magnetic field collineation, set up sunkenly on the base, set up heating device in sunken, make strong direct current magnetic field, drive arrangement and clamping device collineation, realize that the work piece rotates in strong direct current magnetic field.
According to the third conception of the application, the heating device is improved, the heating device enables the workpiece to be arranged inside the iron core annular structure, the strong direct-current magnetic field directly penetrates through the workpiece, the utilization of the magnetic induction lines is maximized, the heating efficiency is improved, and ultra-uniform heating is achieved.
According to the fourth concept of the application, the structures of the driving device and the clamping device are improved, the driving device is arranged on two sides of the heating device, the clamping device is connected to the driving device and comprises a hydraulic cylinder, a pushing portion and a rotating portion, the outer ring of the bearing is connected with the pushing portion, the inner ring of the bearing is connected with the hydraulic cylinder rotating along with a motor shaft, the inner ring of the bearing clamps a workpiece and drives the workpiece to rotate, the linear motion of the clamping device is controlled through the hydraulic cylinder, the motor is matched with the bearing to achieve rotation of the workpiece, the structure is simple, the motion flow of the workpiece is automatically executed, and the working efficiency is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A very low frequency superconducting induction heating apparatus, comprising:
the base is used for mounting working components of all parts of the extremely-low-frequency superconducting induction heating device;
the driving device is fixed on the base and used for providing rotary power for the workpiece to be heated;
the clamping device is arranged on the driving device and is used for clamping and fixing a workpiece on the driving device;
the heating device is fixed on the base and is arranged into a superconducting magnet structure;
the heating device comprises an iron core and a superconducting coil, the superconducting coil is of an annular structure as a whole, the iron core penetrates through the annular center of the superconducting coil, and a magnetic field placing space for placing a rotating workpiece is formed in the iron core;
wherein the workpiece rotates in the magnetic field placing space to form an eddy current inside the workpiece so as to heat the workpiece.
2. A very low frequency superconducting induction heating apparatus as claimed in claim 1, wherein said driving means comprises a first motor and a second motor, said first motor and said second motor are symmetrically disposed at two ends of said base, and said first motor and said second motor have the same rotation parameters.
3. A very low frequency superconducting induction heating apparatus according to claim 2, wherein the clamping device comprises a first clamping device and a second clamping device, the first clamping device and the second clamping device are respectively disposed on the motor shafts of the first motor and the second motor, and the first clamping device and the second clamping device are respectively clamped at two ends of the workpiece, and the first motor and the second motor rotate to drive the workpiece to rotate.
4. A very low frequency superconducting induction heating apparatus as claimed in claim 1 wherein a hydraulic cylinder is provided between said clamping means and said driving means, said hydraulic cylinder being retractable to position said workpiece to be heated.
5. A very low frequency superconducting induction heating apparatus according to claim 1 wherein the magnetic induction in said magnetic field placement space is not less than 0.45T.
6. A very low frequency superconducting induction heating unit as claimed in claim 1, said core comprising:
a winding portion for winding and mounting the superconducting coil;
the end head part is the end part of the iron core, the end head parts are oppositely arranged to form the magnetic field placing space, and when the superconducting coil is electrified, the magnetic field placing space forms an induction magnetic field.
7. A very low frequency superconducting induction heating unit as claimed in claim 1, said superconducting coils being connected to a dc power supply.
8. A very low frequency superconducting induction heating apparatus according to claims 1-7, further comprising a process flow for heating the workpiece:
s1, mounting the workpiece, conveying the workpiece to a magnetic field placing space by the material conveying device, starting a heating program, and pushing the clamping part to do linear motion towards the workpiece by the hydraulic cylinder so that the clamping part is sleeved at the end part of the workpiece;
s2, heating the workpiece, after the workpiece is installed, operating a motor, driving a sliding part by the rotation of a motor shaft, driving a clamping part to rotate by a bearing inner ring of a pushing part, driving the workpiece to rotate at a magnetic field placing space by the clamping part, wherein a strong direct current magnetic field is arranged in the magnetic field placing space, eddy current is generated inside the workpiece, and uniform heating is realized;
and S3, disassembling the workpiece, after the workpiece is heated, grabbing the workpiece by the material conveying device, driving the clamping part to do linear motion in the direction opposite to the workpiece by the hydraulic cylinder, and separating the clamping part from the workpiece to finish disassembling the workpiece.
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| CN202011402369.7A CN112543523A (en) | 2020-12-02 | 2020-12-02 | Extremely-low-frequency superconducting induction heating device and process flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825269A (en) * | 2021-09-29 | 2021-12-21 | 中国科学院电工研究所 | Superconducting induction heating system for production line |
| CN113993236A (en) * | 2021-12-24 | 2022-01-28 | 国核铀业发展有限责任公司 | Liquid helium-free superconducting induction heating device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209312329U (en) * | 2018-11-08 | 2019-08-27 | 江西联创光电科技股份有限公司 | A kind of dynamic demonstration device of high-temperature superconductor direct current induction heater |
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2020
- 2020-12-02 CN CN202011402369.7A patent/CN112543523A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209312329U (en) * | 2018-11-08 | 2019-08-27 | 江西联创光电科技股份有限公司 | A kind of dynamic demonstration device of high-temperature superconductor direct current induction heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825269A (en) * | 2021-09-29 | 2021-12-21 | 中国科学院电工研究所 | Superconducting induction heating system for production line |
| CN113993236A (en) * | 2021-12-24 | 2022-01-28 | 国核铀业发展有限责任公司 | Liquid helium-free superconducting induction heating device |
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