CN111952049B - Magnetic core winding structure for combined high-frequency transformer - Google Patents

Magnetic core winding structure for combined high-frequency transformer Download PDF

Info

Publication number
CN111952049B
CN111952049B CN202010737400.6A CN202010737400A CN111952049B CN 111952049 B CN111952049 B CN 111952049B CN 202010737400 A CN202010737400 A CN 202010737400A CN 111952049 B CN111952049 B CN 111952049B
Authority
CN
China
Prior art keywords
magnetic core
supporting plate
shaped supporting
backup pad
frequency transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010737400.6A
Other languages
Chinese (zh)
Other versions
CN111952049A (en
Inventor
赵长宽
尹君
程像标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Zhongfu Magnetoelectricity Co ltd
Original Assignee
Anhui Zhongfu Magnetoelectricity Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Zhongfu Magnetoelectricity Co ltd filed Critical Anhui Zhongfu Magnetoelectricity Co ltd
Priority to CN202010737400.6A priority Critical patent/CN111952049B/en
Publication of CN111952049A publication Critical patent/CN111952049A/en
Application granted granted Critical
Publication of CN111952049B publication Critical patent/CN111952049B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • H01F2027/297Terminals; Tapping arrangements for signal inductances with pin-like terminal to be inserted in hole of printed path
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The invention discloses a magnetic core winding structure for a combined high-frequency transformer, which comprises a first L-shaped supporting plate, a second L-shaped supporting plate and pins fixed on the bottoms of the first L-shaped supporting plate and the second L-shaped supporting plate, wherein a magnetic core for winding a coil is arranged between the first L-shaped supporting plate and the second L-shaped supporting plate, an adjusting mechanism is arranged in the first L-shaped supporting plate, and a through groove for the magnetic core to move up and down is formed in the surface of the second L-shaped supporting plate. Through the cooperation of the above structures, the invention can change the height of the magnetic core, namely, the distance between the magnetic core and the circuit board is changed, coils with different thicknesses are conveniently wound on the magnetic core, meanwhile, the phenomenon that the coil windings and the circuit board are small in intermittence and influence the normal heat dissipation of the circuit board due to the fact that the coil windings are too thick on the magnetic core is effectively avoided, the length of the magnetic core can be adjusted, coils with different lengths are conveniently wound on the magnetic core, and the adaptability of the cover magnetic core windings is improved.

Description

Magnetic core winding structure for combined high-frequency transformer
Technical Field
The invention relates to the technical field of transformer manufacturing, in particular to a magnetic core winding structure for a combined high-frequency transformer.
Background
A transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and is mainly composed of a coil and an iron core (magnetic core). The magnetic core and the framework are very important components in the transformer, the magnetic core is a sintered magnetic metal oxide composed of various iron oxide mixtures, and the magnetic core is used in a circuit, so that the magnetic flux density of a magnetic circuit of an electromagnetic coil can be increased, the copper loss is reduced, the electromagnetic induction intensity is increased, the voltage conversion efficiency is improved, and the main function of the framework of the transformer is to provide winding space for the coil in the transformer and fix the iron core of the transformer.
If chinese patent publication No. CN207165397U includes the skeleton body that is "worker" style of calligraphy, and the left and right sides face of skeleton body is provided with square hole and the wire casing of a plurality of installation pins respectively, and the bottom of skeleton body both sides limit is provided with the round hole of a plurality of installation pins, and the intermediate position department of skeleton body is provided with the square through-hole of installation magnetic core, and the both ends are provided with the fender line piece respectively about the square through-hole, form a wire winding groove between two fender line pieces, and the skeleton body can be horizontal or vertical install on the circuit board through the pin.
Because this transformer skeleton is difficult for carrying out the height of adjusting the magnetic core, leads to being difficult for winding the coil of different thickness on the magnetic core, and still is difficult for carrying out the length of changing the magnetic core, leads to being difficult to according to actual conditions, winds the coil of different length on the magnetic core, has brought inconvenience for the use, consequently needs to carry out.
Disclosure of Invention
The invention aims to provide a magnetic core winding structure for a combined high-frequency transformer, which is provided with a magnetic core, wherein the height of the magnetic core can be changed, namely the distance between the magnetic core and a circuit board is changed, coils with different thicknesses are wound on the magnetic core conveniently, meanwhile, the phenomenon that the coil windings on the magnetic core are too thick to cause small intermittence with the circuit board so as to influence the normal heat dissipation of the circuit board is effectively avoided, the length of the magnetic core between a first L-shaped supporting plate and a second L-shaped supporting plate can be adjusted, coils with different lengths are wound on the magnetic core conveniently, the adaptability of the magnetic core winding of a cover is improved, and the problems in the background technology are solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a magnetic core winding structure for combination formula high frequency transformer, includes L type backup pad and L type backup pad two to and fix the pin on L type backup pad one and L type backup pad two bottom, be equipped with the magnetic core that is used for winding the coil between L type backup pad one and the L type backup pad two.
The inside of L type backup pad one is equipped with adjustment mechanism, the logical groove that supplies the magnetic core to reciprocate is seted up to the surface of L type backup pad two, and the adjusting part rotates and drives the magnetic core and reciprocate to realize changing the distance between magnetic core and the circuit board, the surface cover of magnetic core is equipped with and is used for carrying out fixed locking mechanical system to the magnetic core.
Preferably, the adjusting mechanism comprises a groove formed in one side face of the L-shaped supporting plate, the top and the bottom of the inner wall of the groove are respectively connected with a screw through bearings in a rotating mode, and the surface of the screw is connected with a moving sleeve used for driving the magnetic core to move up and down in a threaded mode.
Preferably, the locking mechanism comprises an external thread cylinder sleeved on the magnetic core, one end of the external thread cylinder, which is close to the first L-shaped supporting plate, is fixedly connected with a baffle ring, the surface of the external thread cylinder is in threaded connection with an internal thread ring for fixing the second L-shaped supporting plate, an annular groove is formed in the inner wall of the external thread cylinder, and a pressing component for pressing and fixing the magnetic core is arranged in the annular groove.
Preferably, the surface of the internal thread ring is fixedly connected with a rotary handle.
Preferably, the number of the pressing assemblies is not less than four, and the pressing assemblies with the number not less than four are uniformly distributed in the annular groove.
Preferably, the pressing component comprises a threaded hole formed in the inner wall of the annular groove, a threaded column is connected with the inner wall of the threaded hole in a threaded mode, and an arc clamping plate used for clamping and fixing the magnetic core is connected to one end, close to the magnetic core, of the threaded column in a rotating mode through a bearing sleeve.
Preferably, the inner side of the arc clamping plate is fixedly connected with a friction layer for increasing friction force between the arc clamping plate and the magnetic core.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the grooves, the screw rods, the movable sleeves, the external thread cylinders, the baffle rings and the internal thread rings are arranged, after the fixation of the internal thread rings and the baffle rings to the L-shaped support plate II is released, the movable sleeves can be driven to move up and down by rotating the screw rods, so that the magnetic core is driven to move up and down, namely, the distance between the magnetic core and the circuit board is changed, coils with different thicknesses are conveniently wound on the magnetic core, meanwhile, the phenomenon that the coil windings are too thick on the magnetic core, the intermittence between the coil windings and the circuit board is small, and the normal heat dissipation of the circuit board is affected is effectively avoided.
2. According to the invention, the external thread cylinder, the baffle ring, the internal thread ring, the thread column, the arc clamping plate and the friction layer are arranged, when the internal thread ring and the baffle ring fix the L-shaped supporting plate II, the arc clamping plate is driven to move by rotating the thread column, the pressing and fixing of the arc clamping plate to the magnetic core are released, and then the L-shaped supporting plate II can be moved, namely the length of the magnetic core between the L-shaped supporting plate I and the L-shaped supporting plate II can be adjusted, so that coils with different lengths can be wound on the magnetic core conveniently, and the adaptability of the cover magnetic core winding is improved.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a front cross-sectional view of the structure of the present invention;
FIG. 3 is a cross-sectional view at A-A of the present invention;
fig. 4 is an enlarged view of the structure at B of the present invention.
In the figure: 1. an L-shaped supporting plate I; 2. an L-shaped supporting plate II; 3. pins; 4. a magnetic core; 5. a through groove; 6. a screw; 7. a moving sleeve; 8. an external thread cylinder; 9. a baffle ring; 10. an internally threaded ring; 11. a rotary handle; 12. a threaded column; 13. a bearing sleeve; 14. an arc clamping plate; 15. a friction layer.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a magnetic core winding structure for a combined high-frequency transformer comprises a first L-shaped supporting plate 1, a second L-shaped supporting plate 2 and a pin 3 fixed on the bottom ends of the first L-shaped supporting plate 1 and the second L-shaped supporting plate 2, wherein the pin 3 is convenient for inserting the magnetic core winding on a circuit board, and a magnetic core 4 for winding a coil is arranged between the first L-shaped supporting plate 1 and the second L-shaped supporting plate 2.
The inside of L type backup pad 1 is equipped with adjustment mechanism, and logical groove 5 that supplies magnetic core 4 to reciprocate is offered to the surface of L type backup pad two 2, and the adjusting part rotation drives magnetic core 4 and reciprocate to realize changing the distance between magnetic core 4 and the circuit board.
Further, adjustment mechanism is including seting up the recess on L type backup pad 1 side, and the top and the bottom of recess inner wall all are connected with screw rod 6 through the bearing rotation, the surperficial threaded connection of screw rod 6 has the removal cover 7 that is used for driving magnetic core 4 and reciprocates, when need adjust the height of magnetic core 4, when adjusting the distance between magnetic core 4 and the circuit board, release locking mechanism earlier to magnetic core 4, then rotate screw rod 6, because screw rod 6 and removal cover 7 threaded connection, and the rotation of removal cover 7 has been restricted through the recess, make removal cover 7 can remove on the surface of screw rod 6, thereby drive magnetic core 4 reciprocates, the distance between magnetic core 4 and the circuit board has been changed promptly, be convenient for twine different thickness coils on magnetic core 4, coil winding is too thick on also effectively avoiding magnetic core 4 simultaneously, lead to coil winding and circuit board intermittent type to be less, and influence the normal heat dissipation of circuit board.
The surface of the magnetic core 4 is sleeved with a locking mechanism for fixing the magnetic core 4.
Further, locking mechanical system includes the cover and establishes the external screw thread section of thick bamboo 8 on magnetic core 4, the one end fixedly connected with baffle ring 9 that external screw thread section of thick bamboo 8 is close to L type backup pad one 1, and external screw thread section of thick bamboo 8's surface threaded connection has the internal screw thread ring 10 that is used for two 2 fixed of L type backup pad, when need carry out the height of adjusting magnetic core 4, rotate internal screw thread ring 10 through knob 11 earlier, because internal screw thread ring 10 and external screw thread section of thick bamboo 8 threaded connection for internal screw thread ring 10 can carry out the rotation at external screw thread section of thick bamboo 8's surface and move, can release the fixed of two 2 of L type backup pad under baffle ring 9's cooperation, the height of magnetic core 4 is adjusted to accessible rotation screw rod 6 afterwards.
Further, the surface of the internal thread ring 10 is fixedly connected with a rotating handle 11, and the rotating handle 11 enables the internal thread ring 10 to be rotated more simply and conveniently.
An annular groove is formed in the inner wall of the external thread cylinder 8, and a pressing component for pressing and fixing the magnetic core 4 is arranged in the annular groove.
Further, support and press the subassembly including seting up the screw hole on the ring channel inner wall, the inner wall threaded connection of screw hole has screw post 12, screw post 12 is close to the one end of magnetic core 4 and rotates through bearing housing 13 and be connected with the arc splint 14 that is used for carrying out the centre gripping fixed to magnetic core 4, when the length of magnetic core 4 between L type backup pad 1 and L type backup pad 2 needs to change, rotate internal thread ring 10 and fix L type backup pad 2, then through rotating screw post 12, because screw post 12 and screw hole threaded connection for screw post 12 can rotate the while removal at the screw hole, and screw post 12 passes through bearing housing 13 and arc splint 14 rotation connection, make and can drive arc splint 14 and remove, it is fixed to support pressing of magnetic core 4 to remove arc splint 14, can remove L type backup pad 2 afterwards, can adjust the length of magnetic core 4 between L type backup pad 1 and the L type backup pad 2, be convenient for twine different long coils on magnetic core 4 according to actual demand, the adaptability of lid magnetic core winding has been improved.
Further, the friction layer 15 for increasing the friction force between the arc clamping plate 14 and the magnetic core 4 is fixedly connected to the inner side of the arc clamping plate 14, and the friction force between the arc clamping plate 14 and the magnetic core 4 is increased by the friction layer 15, so that the clamping and fixing effect of the arc clamping plate 14 on the magnetic core 4 is better.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a magnetic core winding structure for combination formula high frequency transformer, includes L type backup pad one (1) and L type backup pad two (2) to and fix pin (3) on L type backup pad one (1) and L type backup pad two (2) bottom, its characterized in that: a magnetic core (4) for winding a coil is arranged between the L-shaped support plate I (1) and the L-shaped support plate II (2);
the novel magnetic core structure is characterized in that an adjusting mechanism is arranged in the first L-shaped supporting plate (1), a through groove (5) for the magnetic core (4) to move up and down is formed in the surface of the second L-shaped supporting plate (2), the adjusting mechanism comprises a groove formed in the side face of the first L-shaped supporting plate (1), the top and the bottom of the inner wall of the groove are respectively connected with a screw rod (6) through bearing rotation, the surface of the screw rods (6) is in threaded connection with a moving sleeve (7) for driving the magnetic core (4) to move up and down, so that the distance between the magnetic core (4) and a circuit board is changed, and a locking mechanism for fixing the magnetic core (4) is sleeved on the surface of the magnetic core (4);
the locking mechanism comprises an external thread cylinder (8) sleeved on the magnetic core (4), one end of the external thread cylinder (8) close to the first L-shaped supporting plate (1) is fixedly connected with a baffle ring (9), the surface of the external thread cylinder (8) is in threaded connection with an internal thread ring (10) for fixing the second L-shaped supporting plate (2), an annular groove is formed in the inner wall of the external thread cylinder (8), and a pressing component for pressing and fixing the magnetic core (4) is arranged in the annular groove;
the pressing assembly comprises a threaded hole formed in the inner wall of the annular groove, a threaded column (12) is connected with the inner wall of the threaded hole in a threaded mode, and an arc clamping plate (14) used for clamping and fixing the magnetic core (4) is connected to one end, close to the magnetic core (4), of the threaded column (12) in a rotating mode through a bearing sleeve (13).
2. The magnetic core winding structure for a combination high-frequency transformer according to claim 1, wherein: the surface of the internal thread ring (10) is fixedly connected with a rotary handle (11).
3. The magnetic core winding structure for a combination high-frequency transformer according to claim 1, wherein: the number of the pressing assemblies is not less than four, and the pressing assemblies with the number not less than four are uniformly distributed in the annular groove.
4. A magnetic core winding structure for a combined high-frequency transformer according to claim 3, characterized in that: the inner side of the arc clamping plate (14) is fixedly connected with a friction layer (15) for increasing friction force between the arc clamping plate (14) and the magnetic core (4).
CN202010737400.6A 2020-07-28 2020-07-28 Magnetic core winding structure for combined high-frequency transformer Active CN111952049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010737400.6A CN111952049B (en) 2020-07-28 2020-07-28 Magnetic core winding structure for combined high-frequency transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010737400.6A CN111952049B (en) 2020-07-28 2020-07-28 Magnetic core winding structure for combined high-frequency transformer

Publications (2)

Publication Number Publication Date
CN111952049A CN111952049A (en) 2020-11-17
CN111952049B true CN111952049B (en) 2023-05-02

Family

ID=73339739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010737400.6A Active CN111952049B (en) 2020-07-28 2020-07-28 Magnetic core winding structure for combined high-frequency transformer

Country Status (1)

Country Link
CN (1) CN111952049B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114496497B (en) * 2022-01-14 2022-08-16 东莞市帝达肯电子有限公司 Multilayer freely combined ferrite core and assembling method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207319882U (en) * 2017-10-25 2018-05-04 深圳市峰亚电子有限公司 A kind of combined type high-frequency transformer skeleton
CN207397910U (en) * 2017-04-30 2018-05-22 东莞市展蔚电子科技有限公司 A kind of transformer coiling skeleton
CN209804329U (en) * 2019-04-19 2019-12-17 福建微波通通信技术有限公司 Radio frequency cable processingequipment
CN210182183U (en) * 2019-09-21 2020-03-24 天津荣辉电机有限公司 Special-shaped micro magnet magnetizing upper fixture
CN210245275U (en) * 2019-08-13 2020-04-03 东莞市讯康电子科技股份有限公司 Transformer suitable for installing different iron cores
CN210467547U (en) * 2019-10-31 2020-05-05 龙南县东骏电子制品有限公司 Horizontal transformer framework
DE102018127960A1 (en) * 2018-11-08 2020-05-14 Schaeffler Technologies AG & Co. KG Electromagnetic actuator
CN210743782U (en) * 2019-12-12 2020-06-12 深圳市瑞根科技有限公司 Automatic adhesive tape applying device for transformer magnetic core
CN210743783U (en) * 2019-12-11 2020-06-12 江西省明瑞达电子有限公司 Magnetic core charging equipment of adapter transformer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207397910U (en) * 2017-04-30 2018-05-22 东莞市展蔚电子科技有限公司 A kind of transformer coiling skeleton
CN207319882U (en) * 2017-10-25 2018-05-04 深圳市峰亚电子有限公司 A kind of combined type high-frequency transformer skeleton
DE102018127960A1 (en) * 2018-11-08 2020-05-14 Schaeffler Technologies AG & Co. KG Electromagnetic actuator
CN209804329U (en) * 2019-04-19 2019-12-17 福建微波通通信技术有限公司 Radio frequency cable processingequipment
CN210245275U (en) * 2019-08-13 2020-04-03 东莞市讯康电子科技股份有限公司 Transformer suitable for installing different iron cores
CN210182183U (en) * 2019-09-21 2020-03-24 天津荣辉电机有限公司 Special-shaped micro magnet magnetizing upper fixture
CN210467547U (en) * 2019-10-31 2020-05-05 龙南县东骏电子制品有限公司 Horizontal transformer framework
CN210743783U (en) * 2019-12-11 2020-06-12 江西省明瑞达电子有限公司 Magnetic core charging equipment of adapter transformer
CN210743782U (en) * 2019-12-12 2020-06-12 深圳市瑞根科技有限公司 Automatic adhesive tape applying device for transformer magnetic core

Also Published As

Publication number Publication date
CN111952049A (en) 2020-11-17

Similar Documents

Publication Publication Date Title
CN111952049B (en) Magnetic core winding structure for combined high-frequency transformer
CN212209213U (en) Winding structure of coil of transformer
CN210467547U (en) Horizontal transformer framework
CN110931214A (en) Transformer base convenient to install and use method
CN213025814U (en) Resistance inductance winder
CN112802657B (en) Transformer assembly type supporting component for mountain environment
CN211654571U (en) Transformer is with inside iron core wind
CN213752242U (en) Novel self-compensating positioning reinforcing device of transformer
CN211016778U (en) Coil winder
CN210722716U (en) Coil rack of power adapter framework
CN215680358U (en) Inductor regulation type winding seat
CN220341032U (en) Coil mounting structure based on magnetic field coil
CN221008736U (en) One-core four-yoke type adjustable reactor
CN219418741U (en) Adjustable inductance load reactor
CN221079765U (en) Adjustable inductor
CN216119877U (en) Inductance coil framework
CN218918582U (en) Adjustable transformer
CN117253699B (en) Oil immersed transformer core and transformer using same
CN218471707U (en) Transformer convenient to install
CN216938898U (en) Magnetic ring fixing device and filtering device
CN211208220U (en) Transformer framework
CN220895331U (en) Electronic current transformer
CN216849611U (en) Installation component and inductance device using same
CN215417765U (en) Transformer unable adjustment base with quick mounting structure
CN220106256U (en) Coil processing is with integration equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 239300 south of Tiancha Road, Tianchang City, Chuzhou City, Anhui Province

Patentee after: Anhui Zhongfu Magnetoelectricity Co.,Ltd.

Country or region after: China

Address before: 239000 south of Tiancha Road, Tianchang City, Chuzhou City, Anhui Province

Patentee before: ANHUI ZHONGFU MAGNETOELECTRICITY CO.,LTD.

Country or region before: China

CP03 Change of name, title or address