CN219793061U - Current joule annealing equipment for magnetic conduction strip - Google Patents
Current joule annealing equipment for magnetic conduction strip Download PDFInfo
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- CN219793061U CN219793061U CN202321127850.9U CN202321127850U CN219793061U CN 219793061 U CN219793061 U CN 219793061U CN 202321127850 U CN202321127850 U CN 202321127850U CN 219793061 U CN219793061 U CN 219793061U
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- 238000000137 annealing Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 abstract description 7
- 239000010941 cobalt Substances 0.000 abstract description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000005300 metallic glass Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005224 laser annealing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a current joule annealing device for a magnetic conduction strip, which comprises a first mounting plate and a second mounting plate; the automatic feeding device is characterized in that a material sending disc is rotationally arranged on the right side of the upper portion of the first mounting plate, a first guide wheel is arranged on the left side of the material sending disc on the upper portion of the first mounting plate, a positive pressure wheel electrode is arranged on the left side of the first guide wheel on the upper portion of the first mounting plate, a sliding rail is arranged on the left side of the upper portion of the first mounting plate, and a negative pressure wheel electrode is slidably arranged on the upper portion of the sliding rail. The programmable direct current constant current source is adopted to provide current joule annealing, the heat generated by passing the current through the cobalt-based amorphous tape with higher resistivity is utilized to carry out rapid heating annealing on the tape, the strip can eliminate internal stress to improve magnetic performance, meanwhile, the phenomenon of embrittlement of the tape is effectively restrained, the programmable direct current source can accurately provide the rise time, the linear rise time and the holding time of annealing current, and the magnitude of the current is kept, so that the cobalt-based amorphous soft tape can obtain optimal magnetism.
Description
Technical Field
The utility model relates to the field of annealing equipment, in particular to current joule annealing equipment for a magnetic conduction strip.
Background
In order to obtain amorphous metal fibers with high resistance change rate, high magnetic field response sensitivity and other performance indexes, and to meet the development requirements of GMI magneto-sensitive sensors with high sensitivity, resolution and use precision, researchers usually perform various annealing treatments on the amorphous metal fibers, such as vacuum annealing, magnetic field annealing, stress annealing, current annealing, laser annealing and the like, isothermal annealing is generally adopted in the prior art, under the conventional annealing condition, the embrittlement transformation of cobalt-based amorphous soft magnetic tapes generally occurs before the optimal magnetic performance is obtained by the tapes, and the tapes must be kept at high temperature for more than 1 hour to obtain the optimal magnetic performance, so that embrittlement of the tapes is caused, and the manufacturing of fluxgate cores is very inconvenient, so that current joule annealing equipment for magnetic tapes is needed.
Disclosure of Invention
The utility model aims to provide a current joule annealing device for a magnetic conduction strip, which can accurately provide the rise time of annealing current through the provided current joule annealing provided by a programmable direct current constant current source so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a kind of magnetic conduction strip uses the electric current Joule annealing equipment, including first mounting plate and second mounting plate;
the right side of the upper part of the first mounting plate is rotatably provided with a material sending disc, the left side of the material sending disc on the upper part of the first mounting plate is provided with a first guide wheel, the left side of the first guide wheel on the upper part of the first mounting plate is provided with a positive pressure wheel electrode, the left side of the upper part of the first mounting plate is provided with a sliding rail, and the upper part of the sliding rail is slidably provided with a negative pressure wheel electrode;
the positive pressure wheel electrode comprises a mounting frame, an auxiliary wheel is rotatably mounted in the mounting frame, and a pressing wheel is movably mounted on the upper part of the auxiliary wheel;
the positive pressure wheel electrode and the negative pressure wheel electrode have the same overall structure;
the left side of the upper part of the second mounting plate is provided with a receiving disc, the left side of the receiving disc at the upper part of the second mounting plate is provided with a second guide wheel, a magnetic strip is wound in the sending disc, and one end of the magnetic strip is wound in the receiving disc through a first guide wheel, a positive pressure wheel electrode, a negative pressure wheel electrode and a second guide wheel;
a limiting plate is mounted on the rear side of the middle of the first mounting plate in a fitting mode, a precise direct-current power supply is arranged on the upper portion of the limiting plate, and an LCR tester is arranged on the upper portion of the precise direct-current power supply;
the positive electrode and the negative electrode of the precise direct current power supply are respectively provided with a group of connecting wires, the positive electrode connecting wires of the precise direct current power supply are electrically connected with the positive pressure wheel electrode, and the negative electrode connecting wires of the precise direct current power supply are electrically connected with the negative pressure wheel electrode;
the output end of the LCR tester is provided with an air core test coil, and the magnetic strip passes through the center of the air core test coil.
Preferably, the right side of the upper surface of the first mounting plate is provided with a first locating frame in a fitting mode, the center of the front side and the rear side of the material sending disc is provided with a shaft, and the shaft is clamped into the upper portion of the first locating frame in a rotating mode.
Preferably, the upper surface of the first mounting plate is located at the left side of the first positioning frame and is fixedly provided with a first limiting frame, the first guide wheel is rotatably arranged inside the first limiting frame, and the height of the first guide wheel from the first mounting plate is consistent with the height of the first guide wheel from the first mounting plate.
Preferably, the mounting frame is provided with a limiting hole in a penetrating mode around the position corresponding to the auxiliary wheel, the mounting frame is provided with a sliding groove in a penetrating mode around the upper portion of the limiting hole, and the center of the top end face of the mounting frame is provided with a thread groove downwards.
Preferably, the auxiliary wheel and the pinch roller come to give you the side all install the pole, auxiliary wheel both sides pole rotates and installs inside spacing hole, pinch roller both sides pole outer cambered surface laminating spout inner wall slides, the spread groove has been seted up to pinch roller both sides pole outer cambered surface, pinch roller rear side pole lateral surface fixed mounting has the connector.
Preferably, the connecting groove outer cambered surface is sleeved with a lantern ring, the lantern ring outer cambered surface is provided with a connecting frame, and the top end of the connecting frame is provided with a limiting seat corresponding to the thread groove.
Preferably, the screw thread groove internal thread is installed and is heightened the bolt, it installs the inner panel to heighten the bolt bottom, the inner panel rotates and installs inside the spacing seat.
Preferably, the support frame is installed to first mounting panel left end face, the inside pulley that is provided with of support frame, slide rail upper portion slip table left side is tied there is the haulage rope, haulage rope contact pulley extrados, and the weight is installed to the haulage rope end.
Preferably, the second locating frame is arranged on the upper surface of the second mounting plate corresponding to the material receiving disc, and the second limiting frame is arranged on the upper surface of the second mounting plate corresponding to the second guide wheel.
Compared with the prior art, the utility model has the beneficial effects that:
1. the device adopts the current Joule annealing provided by the programmable direct current constant current source, utilizes the heat generated by passing the current through the cobalt-based amorphous strip with higher resistivity to carry out rapid heating annealing on the strip, can effectively inhibit the occurrence of the embrittlement phenomenon of the strip while eliminating the internal stress of the strip to improve the magnetic performance, and can realize the current Joule annealing on the cobalt-based amorphous soft magnetic strip, thereby being rapid, efficient and energy-saving.
2. The programmable direct current constant current source can accurately provide the rise time, the linear rise, the holding time and the holding current of the annealing current, so that the cobalt-based amorphous soft magnetic tape material obtains the optimal magnetic performance, and the magnetic permeability of the tape material is increased by more than 75%.
3. The inductance of the hollow spiral coil is detected on line by using an LCR tester, the change of the inductance before and after annealing is compared to calculate the change of mu o before and after annealing, the larger the change is, the higher the permeability of the strip after annealing is, the optimal annealing parameters are obtained by changing the rising time, the holding time and the current of the annealing current by using a programmable direct current constant current source, the strip can not be embrittled while the optimal magnetic performance is obtained, and the method is particularly suitable for manufacturing the fluxgate iron core on a high-precision alternating current/direct current sensor.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a view of a first mounting plate structure of the present utility model;
FIG. 3 is a exploded view of the positive pressure wheel electrode structure of the present utility model;
FIG. 4 is a view of the precise DC power connection structure of the present utility model;
FIG. 5 is a connection view of the air core test coil of the present utility model;
FIG. 6 is a timing diagram of annealing a strip in accordance with the present utility model.
In the figure: 1. a first mounting plate; 2. a limiting plate; 3. a first positioning frame; 4. a material distributing disc; 5. a first limiting frame; 6. a first guide wheel; 7. positive pressure wheel electrode; 8. a mounting frame; 9. a limiting hole; 10. a chute; 11. an auxiliary wheel; 12. a pinch roller; 13. a connecting groove; 14. a connector; 15. a collar; 16. a connecting frame; 17. a limit seat; 18. height-adjusting bolts; 19. a slide rail; 20. negative pressure wheel electrode; 21. a support frame; 22. a traction rope; 23. a heavy hammer; 24. a second mounting plate; 25. the second limiting frame; 26. a second guide wheel; 27. a second positioning frame; 28. a material receiving disc; 29. a precision DC power supply; 30. connecting wires; 31. an LCR tester; 32. and an air core test coil.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present utility model provides: a current joule annealing device for a magnetically permeable strip, as shown in fig. 1-5, comprises a first mounting plate 1 and a second mounting plate 24; the right side of the upper part of the first mounting plate 1 is rotatably provided with a material sending disc 4, the left side of the material sending disc 4 on the upper part of the first mounting plate 1 is provided with a first guide wheel 6, the left side of the first guide wheel 6 on the upper part of the first mounting plate 1 is provided with a positive pressure wheel electrode 7, the left side of the upper part of the first mounting plate 1 is provided with a sliding rail 19, and the upper part of the sliding rail 19 is slidably provided with a negative pressure wheel electrode 20; the positive pressure wheel electrode 7 comprises a mounting frame 8, an auxiliary wheel 11 is rotatably mounted in the mounting frame 8, and a pressing wheel 12 is movably mounted at the upper part of the auxiliary wheel 11; the whole structures of the positive pressure wheel electrode 7 and the negative pressure wheel electrode 20 are the same; a receiving tray 28 is arranged on the left side of the upper part of the second mounting plate 24, a second guide wheel 26 is arranged on the left side of the receiving tray 28 on the upper part of the second mounting plate 24, magnetic strips are wound in the material sending tray 4, and one end of each magnetic strip is wound in the receiving tray 28 through the first guide wheel 6, the positive pressure wheel electrode 7, the negative pressure wheel electrode 20 and the second guide wheel 26; the rear side of the middle part of the first mounting plate 1 is provided with a limiting plate 2 in a bonding way, the upper part of the limiting plate 2 is provided with a precise direct current power supply 29, and the upper part of the precise direct current power supply 29 is provided with an LCR tester 31; the positive electrode and the negative electrode of the precise direct current power supply 29 are respectively provided with a group of connecting wires 30, the positive electrode connecting wires 30 of the precise direct current power supply 29 are electrically connected with the positive pressure wheel electrode 7, and the negative electrode connecting wires 30 of the precise direct current power supply 29 are electrically connected with the negative pressure wheel electrode 20; the output end of the LCR tester 31 is provided with a hollow test coil 32, and the magnetic strip passes through the center of the hollow test coil 32.
Preferably, the right side of the upper surface of the first mounting plate 1 is provided with a first positioning frame 3 in a fitting manner, the center of the front side and the rear side of the material sending disc 4 is provided with a shaft, the shaft is rotationally clamped into the upper part of the first positioning frame 3, and the material sending disc 4 is limited through the first positioning frame 3.
Further, the upper surface of the first mounting plate 1 is located at the left side of the first positioning frame 3, a first limiting frame 5 is fixedly mounted, a first guide wheel 6 is rotatably mounted inside the first limiting frame 5, the height of the first guide wheel 6 from the first mounting plate 1 is consistent with that of the first mounting plate 1 from the feeding disc 4, the mounted first limiting frame 5 limits the first guide wheel 6, and meanwhile the distance between the feeding disc 4 and the first guide wheel 6 to the first mounting plate 1 is the same, so that the conveying angle of a magnetic strip can be changed, and the magnetic strip can be tensioned.
Still further, the mounting bracket 8 runs through around corresponding auxiliary wheel 11 position and has offered spacing hole 9, and the mounting bracket 8 is located runs through around spacing hole 9 upper portion and has offered spout 10, and the screw groove has been offered downwards to mounting bracket 8 top face center, and spacing hole 9 that mounting bracket 8 both sides were offered can be spacing auxiliary wheel 11, and spout 10 of seting up can be spacing pinch roller 12, and auxiliary wheel 11 and negative pressure wheel electrode 20 cooperation laminating magnetic strip that can be better.
It is worth to say that the auxiliary wheel 11 and the pinch roller 12 come to give you the side all install the pole, and the inside at spacing hole 9 is rotated to auxiliary wheel 11 both sides pole, and pinch roller 12 both sides pole outer cambered surface laminating spout 10 inner wall slides, and connecting groove 13 has been seted up to pinch roller 12 both sides pole outer cambered surface, and pinch roller 12 rear side pole lateral surface fixed mounting has connector 14, and connecting groove 13 that pinch roller 12 both sides installation pole was seted up can accomplish the holistic height-adjusting processing to pinch roller 12 with lantern ring 15 and link 16 cooperation, can carry out one step promotion auxiliary wheel 11 and pinch roller 12 to accomplish the circular telegram annealing operation with the spacing of magnetic strip.
Specifically, the lantern ring 15 is installed in the cup joint of spread groove 13 outer cambered surface, link 16 is installed to the lantern ring 15 outer cambered surface, and limit seat 17 is installed to link 16 top correspondence screw thread groove position, and the lantern ring 15 and link 16 come to carry out spacingly to the pole of pinch roller 12 surface, and limit seat 17 that sets up is connected with turning of heightening bolt 18, avoids the rotation force in the heightening in-process to produce.
In addition, the screw thread groove is internally provided with the heightening bolt 18 in a threaded manner, the bottom end of the heightening bolt 18 is provided with the inner plate, the inner plate is rotatably arranged in the limiting seat 17, the heightening bolt 18 can be limited, and meanwhile, the synchronism of the heightening bolt 18, the lantern ring 15 and the connecting frame 16 is ensured, so that the control of the using angle of the pinch roller 12 is further improved.
Further, the support frame 21 is installed to the left end face of first mounting panel 1, the inside pulley that is provided with of support frame 21, the slip table left side bolt in slide rail 19 upper portion has haulage rope 22, haulage rope 22 contact pulley extrados, and the weight 23 is installed to haulage rope 22 end, the atress angle of the inside pulley poison haulage rope 22 of support frame 21 and support frame 21 changes, change the interval between negative pinch roller electrode 20 and the positive pressure wheel electrode 7 through weight 23, until LCR tester 31 and hollow test coil 32 obtain the minimum resistance position, the position of the slip table of fixed slide rail 19 upper portion.
Further, the second locating frame 27 is arranged on the upper surface of the second mounting plate 24 corresponding to the material receiving disc 28, the second limiting frame 25 is arranged on the upper surface of the second mounting plate 24 corresponding to the second guide wheel 26, the second guide wheel 26 is limited by the second mounting plate 24, the second guide wheel 26 is in high consistency with the first guide wheel 6 and the positive pressure wheel electrode 7 and the auxiliary wheel 11 inside the negative pressure wheel electrode 20, the magnetic strip is more stable in the feeding process, and meanwhile, the angle of the magnetic strip is changed through the second guide wheel 26, so that the magnetic strip can be wound inside the material receiving disc 28 more stably.
Annealing current for precision dc power supply 29: 1-5A;
annealing current rise time:
holding time: 0.05-0.5S;
annealing current output voltage: 1.5-200V;
as shown in fig. 6, the magnetic permeability of the soft magnetic tape material is measured on line: the inductance of the air core spiral coil is tested by an LCR tester, and the specific data are as follows:
(LCR: 1KHZ1V, hollow inductance: 500 turns, diameter 10mm, measured without strip: lo=0.6 mH, the optimal permeability measured under the annealing process of the following graph: pre-annealing lx=5.7 mH, post-annealing lx=12.1 mH, calculated from mu o=s0/SX (LX/Lo-1) +1 to give pre-annealing mu o1=5561, post-annealing mu o2=12539; =mu o2-mu o 1/mu o1100% =125%).
The cobalt-based amorphous soft magnetic strip subjected to current annealing is mainly used for manufacturing a flux gate iron core of a high-precision alternating current-direct current sensor, and can also be used for current annealing of nanocrystalline soft magnetic strips.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a magnetic conduction strip is with electric current joule annealing equipment which characterized in that: comprises a first mounting plate and a second mounting plate;
the right side of the upper part of the first mounting plate is rotatably provided with a material sending disc, the left side of the material sending disc on the upper part of the first mounting plate is provided with a first guide wheel, the left side of the first guide wheel on the upper part of the first mounting plate is provided with a positive pressure wheel electrode, the left side of the upper part of the first mounting plate is provided with a sliding rail, and the upper part of the sliding rail is slidably provided with a negative pressure wheel electrode;
the positive pressure wheel electrode comprises a mounting frame, an auxiliary wheel is rotatably mounted in the mounting frame, and a pressing wheel is movably mounted on the upper part of the auxiliary wheel;
the positive pressure wheel electrode and the negative pressure wheel electrode have the same overall structure;
the left side of the upper part of the second mounting plate is provided with a receiving disc, the left side of the receiving disc at the upper part of the second mounting plate is provided with a second guide wheel, a magnetic strip is wound in the sending disc, and one end of the magnetic strip is wound in the receiving disc through a first guide wheel, a positive pressure wheel electrode, a negative pressure wheel electrode and a second guide wheel;
a limiting plate is mounted on the rear side of the middle of the first mounting plate in a fitting mode, a precise direct-current power supply is arranged on the upper portion of the limiting plate, and an LCR tester is arranged on the upper portion of the precise direct-current power supply;
the positive electrode and the negative electrode of the precise direct current power supply are respectively provided with a group of connecting wires, the positive electrode connecting wires of the precise direct current power supply are electrically connected with the positive pressure wheel electrode, and the negative electrode connecting wires of the precise direct current power supply are electrically connected with the negative pressure wheel electrode;
the output end of the LCR tester is provided with an air core test coil, and the magnetic strip passes through the center of the air core test coil.
2. The apparatus for electric current joule annealing of magnetically permeable strips according to claim 1, wherein: the right side of the upper surface of the first mounting plate is provided with a first locating frame in a fitting mode, the center of the front side and the rear side of the material sending disc is provided with a shaft, and the shaft is rotationally clamped into the upper portion of the first locating frame.
3. The apparatus for electric current joule annealing of magnetically permeable strips according to claim 2, wherein: the first locating rack is characterized in that the upper surface of the first mounting plate is located on the left side of the first locating rack and is fixedly provided with a first limiting rack, the first guide wheel is rotatably mounted inside the first limiting rack, and the height of the first guide wheel from the first mounting plate is consistent with the height of the first guide wheel from the first mounting plate.
4. A magnetically permeable strip current joule annealing equipment as claimed in claim 3 wherein: the mounting frame is provided with a limiting hole in a penetrating mode around the position corresponding to the auxiliary wheel, the mounting frame is provided with a sliding groove in a penetrating mode around the upper portion of the limiting hole, and the center of the top end face of the mounting frame is provided with a thread groove downwards.
5. The apparatus for electric current joule annealing of magnetically permeable strip as claimed in claim 4, wherein: the auxiliary wheel and the pinch roller come to give you the side all install the pole, auxiliary wheel both sides pole rotates and installs inside spacing hole, pinch roller both sides pole outer cambered surface laminating spout inner wall slides, the spread groove has been seted up to pinch roller both sides pole outer cambered surface, pinch roller rear side pole lateral surface fixed mounting has the connector.
6. The apparatus for electric current joule annealing of magnetically permeable strips as claimed in claim 5, wherein: the connecting groove outer cambered surface is sleeved with a lantern ring, the connecting frame is arranged on the lantern ring outer cambered surface, and a limiting seat is arranged at the top end of the connecting frame corresponding to the thread groove.
7. The apparatus for electric current joule annealing of magnetically permeable strips as claimed in claim 6, wherein: the internal thread of thread groove installs the heightening bolt, the inner panel is installed to heightening bolt bottom, the inner panel rotates and installs inside the spacing seat.
8. The apparatus for electric current joule annealing of magnetically permeable strips as claimed in claim 7, wherein: the support frame is installed to first mounting panel left end face, the inside pulley that is provided with of support frame, slide rail upper portion slip table left side is tied there is the haulage rope, haulage rope contact pulley extrados, and the weight is installed to the haulage rope end.
9. The apparatus for electric current joule annealing of magnetically permeable strips as claimed in claim 8, wherein: the second locating frame is arranged on the upper surface of the second mounting plate corresponding to the material receiving disc, and the second limiting frame is arranged on the upper surface of the second mounting plate corresponding to the second guide wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321127850.9U CN219793061U (en) | 2023-05-11 | 2023-05-11 | Current joule annealing equipment for magnetic conduction strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321127850.9U CN219793061U (en) | 2023-05-11 | 2023-05-11 | Current joule annealing equipment for magnetic conduction strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219793061U true CN219793061U (en) | 2023-10-03 |
Family
ID=88187522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321127850.9U Active CN219793061U (en) | 2023-05-11 | 2023-05-11 | Current joule annealing equipment for magnetic conduction strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219793061U (en) |
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2023
- 2023-05-11 CN CN202321127850.9U patent/CN219793061U/en active Active
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