CN116313392A - Current transformer convenient to dismouting - Google Patents
Current transformer convenient to dismouting Download PDFInfo
- Publication number
- CN116313392A CN116313392A CN202310401570.0A CN202310401570A CN116313392A CN 116313392 A CN116313392 A CN 116313392A CN 202310401570 A CN202310401570 A CN 202310401570A CN 116313392 A CN116313392 A CN 116313392A
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- current transformer
- plate
- mounting plate
- disassemble
- transformer body
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- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 238000005452 bending Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 20
- 238000010030 laminating Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The application relates to a current transformer convenient to disassemble and assemble, which belongs to the technical field of measuring instruments and comprises a transformer body, two metal connecting plates and a secondary lead, wherein the two metal connecting plates are connected to the transformer body; the transformer body one side is equipped with the mounting panel, is equipped with the joint subassembly on the mounting panel with the automatic vertical spacing of transformer body between transformer body and the mounting panel, is equipped with on the mounting panel and is used for relieving the unblock subassembly that the joint subassembly was vertical spacing to the transformer body, is equipped with on the mounting panel and is used for carrying out the spacing subassembly of level to one of them metal connecting plate automatically. This application has the effect that improves current transformer's dismouting convenience.
Description
Technical Field
The application relates to the technical field of measuring instruments, in particular to a current transformer convenient to disassemble and assemble.
Background
The current transformer is an instrument for converting primary side large current into secondary side small current according to an electromagnetic induction principle to measure. The current transformer consists of a closed iron core and windings. Its primary winding turns are very few and are strung in the line of the current to be measured.
The current transformer is generally installed on a flat plate through a plurality of screws, and a plurality of current transformers are installed side by side during installation, so that the disassembly and assembly of the current transformer are time-consuming, and convenience is insufficient.
Disclosure of Invention
In order to improve the dismouting convenience of current transformer, this application provides a current transformer convenient to dismouting.
The current transformer convenient to dismouting that this application provided adopts following technical scheme:
a current transformer convenient to disassemble and assemble comprises a transformer body, two metal connecting plates connected to the transformer body and a secondary lead; the transformer body one side is equipped with the mounting panel, is equipped with the joint subassembly on the mounting panel with the automatic vertical spacing of transformer body between transformer body and the mounting panel, is equipped with on the mounting panel and is used for relieving the unblock subassembly that the joint subassembly was vertical spacing to the transformer body, is equipped with on the mounting panel and is used for carrying out the spacing subassembly of level to one of them metal connecting plate automatically.
Through adopting above-mentioned technical scheme, when carrying out the installation of current transformer, with the mutual-inductor body towards mounting panel lock, the joint subassembly is automatic to carry out the restriction of vertical direction with the mutual-inductor body on the mounting panel, and spacing subassembly carries out spacing on horizontal direction to one of them metal connecting plate simultaneously, can make the current transformer receive the restriction on vertical direction and the horizontal direction simultaneously; after the unlocking component releases the limit to the vertical direction of the transformer body, the current transformer can be disassembled, and the disassembly and assembly convenience of the current transformer is improved.
Optionally, one of the metal connecting plates is provided with a bending part for accommodating the adjacent transformer body, one side of the bending part is attached to the mounting plate, and the transformer body is not contacted with the mounting plate.
Through adopting above-mentioned technical scheme, the setting of kink on the one hand can improve with the installation convenience and the stability of mounting panel, and another direction can make the compacter of a plurality of current transformer installations, reduces occupation space.
Optionally, the clamping assembly comprises a hinged plate, a clamping joint and a connecting spring; the two hinged plates are hinged at the top end and the bottom end of the transformer body respectively and are arranged towards the mounting plate; the two clamping connectors are correspondingly fixed at the end part of the hinged plate, facing the mounting plate, and the surfaces, close to each other, of the two clamping connectors are oppositely arranged in an inclined manner so as to be extruded by the mounting plate, and one side, facing the transformer body, of the clamping connectors is attached to the back surface of the mounting plate; the connecting spring is fixed between the two hinge plates.
Through adopting above-mentioned technical scheme, when carrying out current transformer's installation, with the transformer body lock to the mounting panel on, the mounting panel extrudees the inclined plane of two joint, makes two articulated plates outwards rotate, and connecting spring stretches, and after the joint passed through the mounting panel, connecting spring's retractive force drove two articulated plates and reset and press from both sides tight mounting panel, and the joint laminating has improved current transformer's installation effectiveness and joint strength at the mounting panel back.
Optionally, the articulated slab includes shell and inner panel, and the shell is articulated with the mutual-inductor body, and inner panel sliding connection is in the shell, and the joint is fixed at the inner panel outer end, is equipped with the setting element that fixes the inner panel position on the shell.
Through adopting above-mentioned technical scheme, adjust the depth of inner panel in the shell, can make the articulated slab stretch out and draw back to be applicable to the mounting panel of different thickness and the kink of different shapes, if the bending amplitude of kink is great, when making the distance between transformer body and the mounting panel increase, the length adaptation of accessible regulation articulated slab has improved the installation convenience.
Optionally, the shell terminal surface is laminated with the mounting panel is positive, and the inner panel corresponds laminating in mounting panel top surface or bottom surface.
Through adopting above-mentioned technical scheme, the mounting panel is vertical to be pressed from both sides between two inner panels, transversely presss from both sides between joint and shell, can improve the stability after the current transformer installation.
Optionally, the unblock subassembly includes gear, rack and connecting rod, and gear rotation connects at the mounting panel back, and the rack is totally two and sliding connection is at the mounting panel back, and two racks are located the opposite both sides of gear, and all with gear engagement, the rack orientation corresponds the joint setting, connecting rod coaxial coupling on the gear.
Through adopting above-mentioned technical scheme, gear rotation when rotating the connecting rod, gear drive two racks and slide towards opposite direction, and the rack top moves and corresponds the outward rotation of joint, until joint and mounting panel separation, can take down current transformer, has improved current transformer's dismantlement efficiency.
Optionally, the connecting rod is threaded connection with the mounting panel, and the connecting rod is sliding connection with the gear, and the connecting rod is unanimous with self length direction for the slip direction of gear.
Through adopting above-mentioned technical scheme, rotate the connecting rod still and make the gear keep away from the rotation, but because connecting rod and mounting panel threaded connection, make the connecting rod stop after rotating, the rotation position of gear is stable, has improved operating stability.
Optionally, a knob is fixed at the outer end of the connecting rod.
Through adopting above-mentioned technical scheme, can be more convenient rotate the connecting rod.
Optionally, the surfaces of the two clamping joints close to each other and the positions close to the mounting plate are set to be planes attached to the end faces of the corresponding racks.
Through adopting above-mentioned technical scheme, can make the rack move the joint when the top, both the face of mutual contact are the plane, and the atress is more abundant, has improved current transformer's dismantlement stability.
Optionally, the spacing subassembly includes two limiting plates of relative setting, and two limiting plates laminating are in the opposite both sides of the metal connecting plate that has the kink.
Through adopting above-mentioned technical scheme, when the metal connecting plate laminating was to the mounting panel, two limiting plates were spacing to the both sides of metal connecting plate, have improved the horizontal spacing efficiency to current transformer.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the mutual inductor body is buckled towards the mounting plate, the clamping assembly automatically limits the mutual inductor body in the vertical direction on the mounting plate, and meanwhile, the limiting assembly limits one of the metal connecting plates in the horizontal direction, so that the current transformer can be limited in the vertical direction and the horizontal direction at the same time; after the unlocking component is used for releasing the limit of the mutual inductor body in the vertical direction, the current transformer can be detached, and the convenience in detachment of the current transformer is improved;
2. the transformer body is buckled on the mounting plate, the mounting plate extrudes inclined planes of the two clamping joints, so that the two hinge plates rotate outwards, the connecting springs stretch, after the clamping joints pass through the mounting plate, the retracting force of the connecting springs drives the two hinge plates to reset and clamp the mounting plate, the clamping joints are attached to the back surface of the mounting plate, and the mounting efficiency and the connecting strength of the current transformer are improved;
3. the depth of the inner plate in the shell is adjusted, the hinge plate can stretch out and draw back to be suitable for mounting plates with different thicknesses and bending parts with different shapes, and if the bending amplitude of the bending parts is larger, when the distance between the transformer body and the mounting plate is increased, the length adaptation of the hinge plate can be adjusted, so that the mounting convenience is improved;
4. when the connecting rod is rotated, the gear rotates, the gear drives the two racks to slide towards opposite directions, the rack pushes against the corresponding clamping connector to rotate outwards until the clamping connector is separated from the mounting plate, and the current transformer can be taken down, so that the disassembly efficiency of the current transformer is improved.
Drawings
FIG. 1 is a schematic diagram of a single current transformer prior to installation;
FIG. 2 is a schematic diagram of the structure of a plurality of current transformers after installation;
FIG. 3 is a partial cross-sectional view showing the clamping assembly;
fig. 4 is a schematic view showing the structure of the unlocking assembly.
In the figure, 1, a mutual inductor body; 11. a metal connecting plate; 111. a bending part; 12. a secondary lead; 2. a mounting plate; 3. a clamping assembly; 31. a hinged plate; 311. a housing; 3111. a positioning piece; 312. an inner plate; 32. a clamping joint; 33. a connecting spring; 4. unlocking the assembly; 41. a gear; 42. a rack; 43. a connecting rod; 431. a knob; 5. a limit component; 51. and a limiting plate.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a current transformer convenient to dismouting.
Referring to fig. 1, the current transformer convenient to assemble and disassemble comprises a transformer body 1, wherein two metal connecting plates 11 and a secondary lead 12 are connected to the transformer body 1; one of the metal connecting plates 11 is provided with a bending part 111 for giving way to the adjacent transformer body 1, so that a plurality of current transformers can be arranged more tightly after being installed, and the occupied space is reduced.
Referring to fig. 2 and 3, a mounting plate 2 is provided on one side of a transformer body 1, a bending part 111 of a metal connecting plate 11 is attached to the front side of the mounting plate 2, a distance is reserved between the transformer body 1 and the mounting plate 2, a clamping assembly 3 is provided between the transformer body 1 and the mounting plate 2, the clamping assembly 3 comprises two hinge plates 31, two clamping joints 32 and a connecting spring 33, the two hinge plates 31 are respectively hinged to the top and the bottom of the transformer body 1, the clamping joints 32 are fixed at the end part of the corresponding hinge plates 31 facing the mounting plate 2, the two clamping joints 32 are attached to the back side of the mounting plate 2 facing one side of the transformer body 1, the surfaces of the two clamping joints 32 close to each other are arranged in a relatively inclined manner, the mounting plate 2 is extruded, and the connecting spring 33 is vertically fixed between the two hinge plates 31.
The mutual inductor body 1 moves towards the mounting plate 2, the mounting plate 2 extrudes the inclined planes of the two clamping joints 32, the two hinge plates 31 rotate towards opposite directions, the connecting spring 33 stretches until the clamping joints 32 pass through the mounting plate 2, the connecting spring 33 drives the two hinge plates 31 to reset and clamp the mounting plate 2, the clamping joints 32 and the mounting plate 2 are mutually limited, and the mounting efficiency of the current transformer is improved.
Referring to fig. 3 and 4, the hinge plate 31 includes a housing 311 hinged to the transformer body 1 and an inner plate 312 slidably connected in the housing 311, the clamping head 32 is fixed at the outer end of the inner plate 312, a positioning member 3111 for fixing the position of the inner plate 312 is provided on the housing 311, in this embodiment, the positioning member 3111 is a bolt, the positioning member 3111 is in threaded connection with the housing 311, and one end of the positioning member 3111 is located in the housing 311 to tightly press the inner plate 312; the end face of the shell 311 is attached to the front face of the mounting plate 2, and two inner plates 312 are correspondingly attached to the top face or the bottom face of the mounting plate 2. The length of the hinge plate 31 can be adjusted by unscrewing the positioning piece 3111, the installation plates 2 with different thicknesses can be adaptively installed, and the length adjusting device is applicable to different distances between the transformer body 1 and the installation plates 2 due to different bending amplitudes of the bending parts 111, and the installation adaptability is improved.
Referring to fig. 3 and 4, the unlocking assembly 4 comprises a gear 41 rotatably connected to the back of the mounting plate 2, two racks 42 vertically and slidably connected to the back of the mounting plate 2 and engaged with the gear 41, and a connecting rod 43 coaxially and slidably connected to the gear 41, wherein the two racks 42 are respectively positioned on two opposite sides of the gear 41, the outer ends of the racks 42 are opposite to corresponding clamping connectors 32, and the positions of the clamping connectors 32 opposite to the ends of the racks 42 are plane; the connecting rod 43 is in threaded connection with the mounting plate 2, a sliding groove is formed in the threaded surface of the connecting rod 43 along the length direction of the connecting rod, and a sliding block positioned in the sliding groove is fixed on the inner peripheral surface of the gear 41; the outer end of the connecting rod 43 is fixed with a knob 431.
When the current transformer needs to be disassembled, the connecting rod 43 drives the gear 41 to rotate when the knob 431 is rotated, and the gear 41 drives the two racks 42 to slide towards opposite directions until the two clamping connectors 32 are outwards ejected out of the mounting plate 2, so that the current transformer can be disassembled, and the disassembly efficiency of the current transformer is improved. The setting of connecting rod 43 and mounting panel 2 threaded connection can enough realize that gear 41 rotates, can make gear 41 rotate the back more stable again, and then has improved the stability after the current transformer installation.
Referring to fig. 2, the limiting assembly 5 includes two vertical limiting plates 51 disposed opposite to each other, and the two limiting plates 51 are respectively attached to two sides of the bending portion 111 of the metal connecting plate 11; when the transformer body 1 moves towards the mounting plate 2, the bending part 111 of the metal connecting plate 11 is directly inserted between the two limiting plates 51, so that the horizontal limiting of the current transformer is realized; when the current transformer is disassembled, after the two clamping connectors 32 are separated from the mounting plate 2, the metal connecting plate 11 can be directly separated from the mounting plate 2, so that the disassembly and assembly efficiency of the current transformer is improved.
The implementation principle of the current transformer convenient to disassemble and assemble is as follows: when the current transformer is installed, the transformer body 1 moves towards the installation plate 2, the installation plate 2 extrudes the inclined planes of the two clamping joints 32, the two hinge plates 31 rotate towards opposite directions, the connecting spring 33 stretches until the clamping joints 32 pass through the installation plate 2, the connecting spring 33 drives the two hinge plates 31 to reset and clamp the installation plate 2, the clamping joints 32 and the installation plate 2 are mutually limited, and meanwhile, the two limiting plates 51 horizontally limit the metal connection plate 11, so that the installation efficiency of the current transformer is improved.
When the current transformer needs to be detached, the connecting rod 43 drives the gear 41 to rotate when the knob 431 is rotated, and the gear 41 drives the two racks 42 to slide towards opposite directions at the same time until the two clamping connectors 32 are outwards ejected out of the mounting plate 2, so that the current transformer can be detached, the metal connecting plate 11 can be directly separated from between the two limiting plates 51, and the detachment efficiency of the current transformer is improved.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A current transformer convenient to dismouting, its characterized in that: comprises a mutual inductor body (1), two metal connecting plates (11) connected to the mutual inductor body (1) and a secondary lead (12); be equipped with mounting panel (2) on one side of transformer body (1), be equipped with between transformer body (1) and mounting panel (2) with automatic vertical spacing joint subassembly (3) on mounting panel (2) of transformer body (1), be equipped with on mounting panel (2) and be used for relieving joint subassembly (3) to the vertical spacing unblock subassembly (4) of transformer body (1), be equipped with on mounting panel (2) and be used for carrying out spacing subassembly (5) of level to one of them metal connecting plate (11) automatically.
2. The current transformer convenient to disassemble and assemble as claimed in claim 1, wherein: one of the metal connecting plates (11) is provided with a bending part (111) for accommodating the adjacent transformer body (1), one side of the bending part (111) is attached to the mounting plate (2), and the transformer body (1) is not contacted with the mounting plate (2).
3. The current transformer convenient to disassemble and assemble as claimed in claim 2, wherein: the clamping assembly (3) comprises a hinged plate (31), a clamping connector (32) and a connecting spring (33); the two hinge plates (31) are hinged at the top end and the bottom end of the transformer body (1) respectively and are arranged towards the mounting plate (2); the two clamping connectors (32) are correspondingly fixed at the end part of the hinged plate (31) facing the mounting plate (2), and the surfaces of the two clamping connectors (32) close to each other are obliquely arranged relatively so as to be extruded by the mounting plate (2), and one side of the clamping connector (32) facing the transformer body (1) is attached to the back of the mounting plate (2); a connecting spring (33) is fixed between the two hinge plates (31).
4. A current transformer convenient to disassemble and assemble as claimed in claim 3, wherein: the hinge plate (31) comprises a shell (311) and an inner plate (312), the shell (311) is hinged with the transformer body (1), the inner plate (312) is slidably connected in the shell (311), the clamping connector (32) is fixed at the outer end of the inner plate (312), and a positioning piece (3111) for fixing the position of the inner plate (312) is arranged on the shell (311).
5. The current transformer convenient to disassemble and assemble as claimed in claim 4, wherein: the end face of the shell (311) is attached to the front face of the mounting plate (2), and the inner plate (312) is correspondingly attached to the top face or the bottom face of the mounting plate (2).
6. A current transformer convenient to disassemble and assemble as claimed in claim 3, wherein: the unlocking component (4) comprises a gear (41), racks (42) and a connecting rod (43), wherein the gear (41) is rotationally connected to the back of the mounting plate (2), the racks (42) are two in total and are slidingly connected to the back of the mounting plate (2), the two racks (42) are located on two opposite sides of the gear (41) and are meshed with the gear (41), the racks (42) are arranged towards the corresponding clamping connectors (32), and the connecting rod (43) is coaxially connected to the gear (41).
7. The current transformer convenient to disassemble and assemble as claimed in claim 6, wherein: the connecting rod (43) is in threaded connection with the mounting plate (2), the connecting rod (43) is in sliding connection with the gear (41), and the sliding direction of the connecting rod (43) relative to the gear (41) is consistent with the length direction of the connecting rod.
8. The current transformer convenient to disassemble and assemble as claimed in claim 6, wherein: the outer end of the connecting rod (43) is fixed with a knob (431).
9. The current transformer convenient to disassemble and assemble as claimed in claim 6, wherein: the surfaces of the two clamping joints (32) close to each other and the positions close to the mounting plate (2) are arranged to be planes which are attached to the end faces of the corresponding racks (42).
10. The current transformer convenient to disassemble and assemble as claimed in claim 2, wherein: the limiting assembly (5) comprises two limiting plates (51) which are oppositely arranged, and the two limiting plates (51) are attached to two opposite sides of the metal connecting plate (11) with the bending part (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401570.0A CN116313392B (en) | 2023-04-07 | 2023-04-07 | Current transformer convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401570.0A CN116313392B (en) | 2023-04-07 | 2023-04-07 | Current transformer convenient to dismouting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116313392A true CN116313392A (en) | 2023-06-23 |
| CN116313392B CN116313392B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310401570.0A Active CN116313392B (en) | 2023-04-07 | 2023-04-07 | Current transformer convenient to dismouting |
Country Status (1)
| Country | Link |
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| CN (1) | CN116313392B (en) |
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| KR20090061223A (en) * | 2007-12-11 | 2009-06-16 | 현대자동차주식회사 | Multimedia terminal assembly for vehicles |
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| CN214379105U (en) * | 2021-03-18 | 2021-10-08 | 浙江中泓电子有限公司 | Durable connector |
| CN217380114U (en) * | 2022-03-15 | 2022-09-06 | 武汉蜂巢易网科技有限公司 | AP equipment convenient to maintain |
| CN115382804A (en) * | 2022-09-02 | 2022-11-25 | 晁宏涛 | Engineering construction guardrail and operation method thereof |
| CN115411682A (en) * | 2022-08-26 | 2022-11-29 | 茨威格电气(北京)有限公司 | Interlocking device for bus duct jack box |
| CN218003530U (en) * | 2022-05-07 | 2022-12-09 | 济源市三鑫电器有限公司 | Current transformer with conveniently dismantle structure |
| CN218333342U (en) * | 2022-06-24 | 2023-01-17 | 浙江泰成互感器有限公司 | Outdoor mutual inductor |
| CN218425012U (en) * | 2022-10-22 | 2023-02-03 | 苏州泰科贝尔直驱电机有限公司 | Equipment for pressing protective edge by steel strip and steel bar |
-
2023
- 2023-04-07 CN CN202310401570.0A patent/CN116313392B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090061223A (en) * | 2007-12-11 | 2009-06-16 | 현대자동차주식회사 | Multimedia terminal assembly for vehicles |
| CN211907171U (en) * | 2020-06-02 | 2020-11-10 | 王鹏宇 | Mounting structure for current transformer |
| CN214379105U (en) * | 2021-03-18 | 2021-10-08 | 浙江中泓电子有限公司 | Durable connector |
| CN217380114U (en) * | 2022-03-15 | 2022-09-06 | 武汉蜂巢易网科技有限公司 | AP equipment convenient to maintain |
| CN218003530U (en) * | 2022-05-07 | 2022-12-09 | 济源市三鑫电器有限公司 | Current transformer with conveniently dismantle structure |
| CN218333342U (en) * | 2022-06-24 | 2023-01-17 | 浙江泰成互感器有限公司 | Outdoor mutual inductor |
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| Publication number | Publication date |
|---|---|
| CN116313392B (en) | 2024-04-16 |
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