CN116315797A - Superconducting magnet self-short-circuit excitation current lead base and installation and use method thereof - Google Patents
Superconducting magnet self-short-circuit excitation current lead base and installation and use method thereof Download PDFInfo
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- CN116315797A CN116315797A CN202310170465.0A CN202310170465A CN116315797A CN 116315797 A CN116315797 A CN 116315797A CN 202310170465 A CN202310170465 A CN 202310170465A CN 116315797 A CN116315797 A CN 116315797A
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- 230000005284 excitation Effects 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 title claims abstract description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 41
- 238000007906 compression Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
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Abstract
The invention discloses a superconducting magnet self-short-circuit excitation current lead base and an installation and use method thereof, and relates to the technical field of superconducting magnets.
Description
Technical Field
The invention relates to the technical field of superconducting magnets, in particular to a superconducting magnet self-short-circuit excitation current lead base and an installation and use method thereof.
Background
The superconducting magnet excitation current lead base is arranged in a liquid helium cavity, the upper end is connected with a service tower through a neck tube, the lower end is connected with a magnet coil through a lead wire, a current lead rod is required to be inserted into the current lead base from the service tower during excitation, and the positive pole and the negative pole on the current lead rod are ensured to be well contacted with the positive pole and the negative pole on the current lead base, so that the current on an excitation power supply can be transmitted to the superconducting magnet coil, after the excitation is completed to pull out the current lead rod, in order to ensure that the magnet circuit is in a closed loop state and to protect important components such as a superconducting switch, the positive pole and the negative pole on the current lead base are required to be short-circuited, CN106449002B discloses a superconducting magnet for whole body magnetic resonance imaging, the current lead base upper end is fixedly provided with a current lead base male head and a current lead base female head, the current lead base male head and the current lead base female head are arranged in the current lead base male head and the current lead base female head, the current lead rod male head and the current lead base male head is connected with the current lead base through a spring and a locking screw, the current lead rod male head is matched with the current lead base, the current lead base female head is matched with the current lead base, and the current male head is required to be in a short-circuit state when the current lead base is required to be inserted into the current lead base and the current lead base is not to be short-circuited, and the current lead base is required to be short-circuited, and the current is required to be inserted into the current base is required to be in the current base and short-circuit, and the current has a short-circuit state is required to be inserted into the current base and the current male and has a short-circuit state, and a current has a short-circuit between a current lead base and a current lead base has a current lead wire has a high current and a current lead wire base and a current lead base has a high wire and a current lead wire and a high lead base. The short-circuit connector is taken out by a special tool, the current lead rod can be inserted, and when the short-circuit connector is inserted and pulled out by the special tool, the operation is inconvenient, and a great potential safety hazard exists, so that a novel current lead base is required to be designed by a person skilled in the art.
Disclosure of Invention
The invention aims to solve the problems that the anode and the cathode of the current lead base are well contacted and the anode and the cathode are automatically and rapidly short-circuited after the current lead rod is pulled out, so that the problems that the current lead rod is very difficult to insert and poor in contact are effectively solved when the current lead rod is inserted, a special tool is not required to be used for inserting a short-circuit joint into the current lead base, the anode and the cathode are kept in a short-circuit state, and when excitation is required next time, the short-circuit joint is not required to be taken out and inserted into the current lead rod by the special tool, the operation is very convenient, and the potential safety hazard of a superconducting magnet is effectively eliminated, namely the current lead base is excited by self-short-circuit.
In order to solve the problems, the invention provides a superconducting magnet self-short-circuit excitation current lead base, which comprises a fixed seat, wherein an unfixed positive and negative pole plug assembly is arranged at the inner end of the fixed seat, the unfixed positive and negative pole plug assembly extends upwards to the upper end of the fixed seat, elastic telescopic assemblies which are contacted are arranged at the upper end and the lower end of the unfixed positive and negative pole plug assembly, and a current lead rod is inserted into the unfixed positive and negative pole plug assembly so as to prop the outer end of the unfixed positive and negative pole plug assembly, so that the positive and negative poles of the unfixed positive and negative pole plug assembly are not contacted any more, and the switching of the open-circuit state and the short-circuit state is formed.
Preferably, the non-fixed positive and negative electrode plug assembly comprises a negative electrode outer sleeve part and a positive electrode middle shaft part, wherein the positive electrode middle shaft part is arranged at the center of the negative electrode outer sleeve part, and the lower end of the positive electrode middle shaft part is fixed in a guide groove in the fixing seat.
Preferably, the negative electrode outer sleeve part comprises at least two negative electrode clamping pieces, the negative electrode clamping pieces are arranged in a mirror image mode to form an annular structure, and the lower ends of the negative electrode clamping pieces are arranged in the guide grooves.
Preferably, a gap is provided between the negative electrode clips.
Preferably, the method comprises the following steps: the elastic telescopic component comprises an upper elastic clamping part and a lower elastic telescopic part, the upper elastic clamping part is arranged in a clamping groove at the upper end of the negative electrode clamping piece, and the lower elastic telescopic part is arranged at the inner end of the fixing seat and extends into the guiding groove to elastically contact with the lower end of the negative electrode clamping piece.
Preferably, the upper elastic clamping part is a clamping spring.
Preferably, the lower elastic expansion part comprises a spring guide seat, a compression spring and a tip set screw, the outer edge of the spring guide seat is provided with the compression spring, one end of the spring guide seat is arranged at the inner end of the fixed seat and is fixed through the tip set screw, and the spring guide seat extends into the guide groove and is inserted into a slot at the lower end of the negative electrode clamping piece.
Preferably, the fixing base and the non-fixed positive and negative pole plug assembly are provided with mounting holes at the bottom ends, and the mounting holes comprise welding wire holes at the bottom of the negative pole outer sleeve part, fixing base mounting holes and positive pole center shaft mounting holes.
Preferably, the fixing base is cast from 304 stainless steel as an integral structure.
Preferably, the anode casing part and the cathode middle shaft part are cast into an integral structure by red copper, so that the conductivity of the anode casing part and the cathode middle shaft part is better.
Preferably, the outer surfaces of the negative electrode outer sleeve portion and the positive electrode middle shaft portion are gold-plated to secure the conductive effect and prevent oxidation.
By adopting the structure, the beneficial effects of the structure are that:
the positive and negative pole plug assembly of the current lead base adopts a non-fixed design, and the current lead rod is inserted into the positive and negative pole plug assembly under the action of the elastic telescopic assembly so as to open the negative pole outer sleeve part, so that the current lead base is easy to plug and ensure good contact effect.
According to the invention, when the current lead rod is not inserted, the positive electrode and the negative electrode of the non-fixed positive and negative electrode plug-in component are in a short circuit state, after the current lead rod is inserted, the negative electrode outer sleeve part is propped up, so that the positive electrode and the negative electrode of the non-fixed positive and negative electrode plug-in component are not contacted any more to form an open circuit state, normal energization excitation can be realized, after the current lead rod is completely extracted by excitation, the negative electrode outer sleeve part automatically retracts under the action of the compression spring of the lower elastic telescopic part and the clamping spring of the upper elastic clamping part, and the positive electrode and the negative electrode are immediately restored to the short circuit state, so that the positive electrode and the negative electrode of the current lead base are well contacted and the positive electrode and the negative electrode are automatically and rapidly short-circuited after the current lead rod is extracted, the problems of very difficult insertion and poor contact are effectively solved when the current lead rod is inserted, the short circuit connector is not required to be inserted into the current lead base by a special tool, the positive electrode and the negative electrode are kept in the short circuit state, and the short circuit connector is not required to be extracted from the current lead rod by the special tool when the excitation is required next time, the operation is very convenient, and potential safety hazards are effectively eliminated.
Drawings
Fig. 1 is a schematic diagram of the structure of a superconducting magnet self-shorting excitation current lead base of the present invention.
Fig. 2 is an internal cross-sectional view of a superconducting magnet self-shorting excitation current lead frame of the present invention.
Fig. 3 is a bottom view of a superconducting magnet self-shorting excitation current lead base of the present invention.
Fig. 4 is a flow chart of a method for installing and using a self-shorting exciting current lead base of a superconducting magnet according to the present invention.
In the figure: the device comprises a 1-fixed seat, a 11-guide groove, a 2-non-fixed positive and negative electrode plug component, a 21-negative electrode outer sleeve part, a 22-positive electrode middle shaft part, a 23-negative electrode clamping piece, a 3-elastic telescopic component, a 31-upper elastic clamping part, a 32-lower elastic telescopic part, a 33-spring guide seat, a 34-compression spring, a 35-tip set screw, a 4-welding wire hole, a 5-fixed seat mounting hole and a 6-shaft mounting hole.
Description of the embodiments
The invention is further illustrated by the following figures and examples.
As shown in fig. 1-3, a superconducting magnet self-short-circuit excitation current lead base comprises a fixed seat 1, an unfixed positive and negative pole plug assembly 2 is arranged at the inner end of the fixed seat 1, the unfixed positive and negative pole plug assembly 2 extends upwards to the upper end of the fixed seat 1, elastic telescopic assemblies 3 which are in contact are arranged at the upper end and the lower end of the unfixed positive and negative pole plug assembly 2, a current lead rod is inserted into the unfixed positive and negative pole plug assembly 2 so as to prop the outer end of the unfixed positive and negative pole plug assembly 2 open, the positive and negative poles of the unfixed positive and negative pole plug assembly 2 are not contacted any more, the open and short circuit states are switched, the positive and negative pole plug assembly adopts an unfixed design, and under the action of the elastic telescopic assemblies 3, the current lead rod is inserted into the positive and negative pole plug assembly 2 so as to open a negative pole outer sleeve part 21, so that the insertion is easy, and good contact effect is ensured.
The non-fixed positive and negative electrode plug assembly 2 comprises a negative electrode outer sleeve part 21 and a positive electrode middle shaft part 22, wherein the positive electrode middle shaft part 22 is arranged at the center of the negative electrode outer sleeve part 21, and the lower end of the positive electrode middle shaft part 22 is fixed in a guide groove 11 in the fixed seat 1.
The negative electrode outer sleeve part 21 comprises at least two negative electrode clamping pieces 23, wherein the negative electrode clamping pieces 23 are arranged in a mirror image mode to form an annular structure, the lower ends of the negative electrode clamping pieces 23 are arranged in the guide groove 11, and gaps are formed between the negative electrode clamping pieces 23.
The elastic telescopic assembly 3 comprises an upper elastic clamping part 31 and a lower elastic telescopic part 32, wherein the upper elastic clamping part 31 is arranged in a clamping groove at the upper end of the negative electrode clamping piece 23, and the lower elastic telescopic part 32 is arranged at the inner end of the fixing seat 1 and extends into the guide groove 11 to elastically contact with the lower end of the negative electrode clamping piece 23.
The upper elastic clamping part 31 is a clamp spring, the lower elastic telescopic part 32 comprises a spring guide seat 33, a compression spring 34 and a tip set screw 35, the compression spring 34 is arranged on the outer edge of the spring guide seat 33, one end of the spring guide seat 33 is arranged at the inner end of the fixed seat 1 and is fixed through the tip set screw 35, and the spring guide seat 33 extends into the guide groove 11 and is inserted into a slot at the lower end of the negative electrode clamping piece 23.
The bottom ends of the fixed seat 1 and the non-fixed positive and negative pole plug assembly 2 are provided with mounting holes, and the mounting holes comprise welding wire holes at the bottom of the negative pole outer sleeve part, and the fixed seat mounting holes and the positive pole center shaft mounting holes.
Fixing base 1 is cast by 304 stainless steel as an integrated structure
The negative electrode outer sleeve part 21 and the positive electrode middle shaft part 22 are cast into an integral structure by red copper, so that the conductivity of the negative electrode outer sleeve part and the positive electrode middle shaft part is better.
The outer surfaces of the negative electrode outer sheath portion 21 and the positive electrode middle shaft portion 22 are gold-plated, ensuring the conductive effect and preventing oxidation.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail through a specific usage manner.
The specific working process is as follows: as shown in fig. 4, during assembly, the tip set screw 35 of the lower elastic telescopic part 32 of the elastic telescopic component 3 is screwed first, the spring guide seat 33 is fixed in the fixed seat 1, then the negative electrode outer sleeve part 21 of the non-fixed positive and negative electrode plug component 2 is put into the guide groove 11 of the fixed seat 1, the spring guide seat 33 stretches into the slot at the lower end of the negative electrode outer sleeve part 21, then the positive electrode middle shaft part 22 is arranged in the middle position of the negative electrode outer sleeve part 21, and finally the upper elastic clamping part 31 is arranged in the clamping groove at the upper end of the negative electrode outer sleeve; after the assembly is completed, the current lead rod needs to be inserted and pulled out for a plurality of times so as to detect whether the negative electrode clamping piece 23 of the negative electrode outer sleeve part 21 on the current lead base can be normally opened and retracted; after confirming that no problem exists, the positive and negative electrode leads are welded into the welding wire holes at the bottom of the negative electrode outer sleeve part 21 respectively, the current lead rod is inserted again, firstly, a megameter is used for checking whether the positive electrode and the negative electrode of the current lead rod are insulated, then a milliohmmeter is used for measuring the resistance between the positive electrode and the negative electrode of the current lead rod and the outgoing wire corresponding to the current lead base, the requirement is smaller than a specified value, after the detection is qualified, the current lead rod is installed on a corresponding wiring board in a superconducting magnet through a fixing seat installation hole and a positive electrode center shaft installation hole, and then a circuit is connected.
When the current lead base is used, when the current lead rod is not inserted, the positive electrode and the negative electrode of the positive electrode plug assembly 2 are in a short circuit state, after the current lead rod is inserted, the negative electrode clamping piece 23 of the negative electrode outer sleeve part 21 is propped up, so that the positive electrode and the negative electrode of the negative electrode outer sleeve part 21 and the positive electrode middle shaft part 22 are not contacted any more, an open circuit state is formed, normal energization and excitation can be realized, after the current lead rod is completely pulled out by excitation, the negative electrode outer sleeve automatically retracts under the action of the upper elastic clamping part 31 and the lower elastic telescopic part 32, and the positive electrode and the negative electrode are immediately restored to the short circuit state.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present invention, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features of the invention described herein.
Claims (10)
1. The utility model provides a superconducting magnet self-short circuit excitation current lead wire base, includes fixing base (1), its characterized in that: the utility model discloses a battery pack, including fixing base (1) and fixed positive negative pole plug subassembly (2), fixing base (1) inner is equipped with non-fixed positive negative pole plug subassembly (2), non-fixed positive negative pole plug subassembly (2) upwards extends to fixing base (1) upper end, both ends are equipped with elastic expansion subassembly (3) that contact about non-fixed positive negative pole plug subassembly (2), thereby insert current lead bar in non-fixed positive negative pole plug subassembly (2) outer end struts, no longer contacts between the positive negative pole of messenger's non-fixed positive negative pole plug subassembly (2), forms to break, short circuit state switch.
2. The superconducting magnet self-shorting excitation current lead frame of claim 1, wherein: the non-fixed positive and negative pole plug assembly (2) comprises a negative pole outer sleeve part (21) and a positive pole middle shaft part (22), wherein the positive pole middle shaft part (22) is arranged at the center of the negative pole outer sleeve part (21), and the lower end of the positive pole middle shaft part (22) is fixed in a guide groove (11) in the fixing seat (1).
3. The superconducting magnet self-shorting excitation current lead frame of claim 2, wherein: the negative electrode outer sleeve part (21) comprises at least two negative electrode clamping pieces (23), the negative electrode clamping pieces (23) are arranged in a mirror image mode to form an annular structure, and the lower ends of the negative electrode clamping pieces (23) are arranged in the guide grooves (11).
4. A superconducting magnet self-shorting excitation current lead frame as claimed in claim 3, wherein: a gap is arranged between the negative electrode clamping pieces (23).
5. The superconducting magnet self-shorting excitation current lead frame of claim 3 or 4, wherein: the elastic telescopic component (3) comprises an upper elastic clamping part (31) and a lower elastic telescopic part (32), the upper elastic clamping part (31) is arranged in a clamping groove at the upper end of the negative electrode clamping piece (23), and the lower elastic telescopic part (32) is arranged at the inner end of the fixing seat (1) and extends into the guide groove (11) to be in elastic contact with the lower end of the negative electrode clamping piece (23).
6. The superconducting magnet self-shorting excitation current lead frame of claim 5, wherein: the upper elastic clamping part (31) is a clamping spring.
7. The superconducting magnet self-shorting excitation current lead frame of claim 5, wherein: the lower elastic telescopic part (32) comprises a spring guide seat (33), a compression spring (34) and a tip holding screw (35), the outer edge of the spring guide seat (33) is provided with the compression spring (34), one end of the spring guide seat (33) is arranged at the inner end of the fixing seat (1) and is fixed through the tip holding screw (35), and the spring guide seat (33) extends into the guide groove (11) and is inserted into a slot at the lower end of the negative electrode clamping piece (23).
8. The superconducting magnet self-shorting excitation current lead frame of claim 7, wherein: the bottom ends of the fixed seat (1) and the non-fixed positive and negative pole plug assembly (2) are provided with mounting holes.
9. The superconducting magnet self-shorting excitation current lead frame of claim 2, wherein: the negative electrode outer sleeve part (21) and the positive electrode middle shaft part (22) are cast into an integrated structure by red copper.
10. The method of installing and using a superconducting magnet for switching off and on states of a self-shorting excitation current lead frame according to any one of claims 1 to 9, wherein: comprises the following steps of;
s1, during assembly, firstly, screwing a tip set screw (35) of a lower elastic telescopic part (32) of an elastic telescopic assembly (3) to fix a spring guide seat (33) in a fixed seat (1);
s2, putting the negative electrode outer sleeve part (21) of the non-fixed positive and negative electrode plug assembly (2) into the guide groove (11) of the fixed seat (1), and extending the spring guide seat (33) into a slot at the lower end of the negative electrode outer sleeve part (21);
s3, then the positive electrode middle shaft part (22) is arranged in the middle of the negative electrode outer sleeve part (21), and finally the upper elastic clamping part (31) is arranged in a clamping groove at the upper end of the negative electrode outer sleeve;
s4, after the assembly is completed, the current lead rod is required to be inserted and pulled out for a plurality of times, so as to detect whether the negative electrode clamping piece (23) of the negative electrode outer sleeve part (21) on the current lead base can be normally opened and retracted;
s5, after confirming that no problem exists, respectively welding the positive and negative electrode wires into the welding wire holes at the bottom of the negative electrode outer sleeve part (21), reinserting the current lead rod, firstly using a megameter to check whether the positive electrode and the negative electrode of the current lead rod are insulated, then using a milliohmmeter to measure the resistance between the positive electrode and the negative electrode of the current lead rod and the outgoing wire corresponding to the current lead base, wherein the requirement is smaller than a specified value, and after the detection is qualified, installing the current lead rod and the outgoing wire on a corresponding wiring board in a superconducting magnet through a fixing seat installation hole and a positive electrode center shaft installation hole, and then connecting a circuit;
and S6, when the current lead base is not inserted into the current lead rod, the positive electrode and the negative electrode of the positive electrode plug assembly (2) are in a short circuit state, after the current lead rod is inserted, the negative electrode clamping piece (23) of the negative electrode outer sleeve part (21) is propped up, so that the positive electrode and the negative electrode of the negative electrode outer sleeve part (21) and the positive electrode middle shaft part (22) are not contacted any more to form an open circuit state, normal energization and excitation can be performed, and after the current lead rod is pulled out by excitation, the negative electrode outer sleeve automatically retracts under the action of the upper elastic clamping part (31) and the lower elastic telescopic part (32), and the positive electrode and the negative electrode are immediately restored to the short circuit state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310170465.0A CN116315797A (en) | 2023-02-27 | 2023-02-27 | Superconducting magnet self-short-circuit excitation current lead base and installation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310170465.0A CN116315797A (en) | 2023-02-27 | 2023-02-27 | Superconducting magnet self-short-circuit excitation current lead base and installation and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116315797A true CN116315797A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310170465.0A Pending CN116315797A (en) | 2023-02-27 | 2023-02-27 | Superconducting magnet self-short-circuit excitation current lead base and installation and use method thereof |
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| CN (1) | CN116315797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116705450A (en) * | 2023-07-31 | 2023-09-05 | 山东奥新医疗科技有限公司 | Current lead dismounting device for superconducting magnet |
-
2023
- 2023-02-27 CN CN202310170465.0A patent/CN116315797A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116705450A (en) * | 2023-07-31 | 2023-09-05 | 山东奥新医疗科技有限公司 | Current lead dismounting device for superconducting magnet |
| CN116705450B (en) * | 2023-07-31 | 2023-10-20 | 山东奥新医疗科技有限公司 | Current lead dismounting device for superconducting magnet |
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