CN111952049A - Magnetic core winding structure for combined high-frequency transformer - Google Patents

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

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Publication number
CN111952049A
CN111952049A CN202010737400.6A CN202010737400A CN111952049A CN 111952049 A CN111952049 A CN 111952049A CN 202010737400 A CN202010737400 A CN 202010737400A CN 111952049 A CN111952049 A CN 111952049A
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CN
China
Prior art keywords
magnetic core
backup pad
frequency transformer
type backup
winding structure
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Granted
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CN202010737400.6A
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Chinese (zh)
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CN111952049B (en
Inventor
赵长宽
尹君
程像标
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Anhui Zhongfu Magnetoelectricity Co ltd
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Anhui Zhongfu Magnetoelectricity Co ltd
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Priority to CN202010737400.6A priority Critical patent/CN111952049B/en
Publication of CN111952049A publication Critical patent/CN111952049A/en
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    • 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

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  • 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 at the bottom ends 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 inside 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 matching of the structures, the height of the magnetic core can be changed, namely the distance between the magnetic core and the circuit board is changed, coils with different thicknesses can be conveniently wound on the magnetic core, meanwhile, the phenomenon that the interval between the coil winding and the circuit board is small due to the fact that the coil winding on the magnetic core is too thick, normal heat dissipation of the circuit board is affected is effectively avoided, the length of the magnetic core can be adjusted, coils with different lengths can be conveniently wound on the magnetic core, and the adaptability of the magnetic core winding 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 that changes an alternating voltage using the principle of electromagnetic induction, and main components are a coil and an iron core (magnetic core). The magnetic core and the framework are very important parts in the transformer, the magnetic core is a sintered magnetic metal oxide consisting of various iron oxide mixtures, and the magnetic core is used in a circuit to increase the magnetic flux density of a magnetic circuit of the electromagnetic coil and reduce copper loss so as to increase the electromagnetic induction intensity and improve the voltage conversion efficiency, and the framework of the transformer mainly plays a role in providing winding space for a coil in the transformer and fixing an iron core of the transformer.
The utility model discloses a chinese patent is CN207165397U including being the skeleton body of "worker" style of calligraphy, the left and right sides face of skeleton body is provided with the square hole and the wire casing of a plurality of installation stitches respectively, the bottom on skeleton body both sides limit is provided with the round hole of a plurality of installation stitches, the intermediate position department of skeleton body is provided with the square through hole of installation magnetic core, both ends are provided with the stop line piece respectively about the square through hole, form a wire winding groove between two stop line pieces, but the skeleton body passes through the stitch and installs on the circuit board horizontally or vertically.
Because this magnetic core is difficult for adjusting the height of magnetic core to this skeleton of transformer, lead to being difficult for twining the coil of different thickness on the magnetic core, and still be difficult for changing the length of magnetic core, lead to being difficult to according to actual conditions, twine the coil of different length on the magnetic core, brought the inconvenience for the use, consequently need go on.
Disclosure of Invention
The invention aims to provide a magnetic core winding structure for a combined high-frequency transformer, which can change the height of a magnetic core, namely, change the distance between the magnetic core and a circuit board, is convenient for winding coils with different thicknesses on the magnetic core, and simultaneously effectively avoids the phenomenon that the interval between the coil winding and the circuit board is smaller due to the excessively thick coil winding on the magnetic core, so that the normal heat dissipation of the circuit board is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a modular magnetic core winding structure for high frequency transformer, includes L type backup pad one and L type backup pad two to and fix the pin on L type backup pad one and two bottoms of L type backup pad, be equipped with the magnetic core that is used for the winding 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 on the surface of L type backup pad two, and 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 the locking mechanical system that fixes to the magnetic core.
Preferably, adjustment mechanism is including seting up the recess in L type backup pad side, and the top and the bottom of recess inner wall all are connected with the screw rod through the bearing rotation, the surperficial threaded connection of screw rod has the removal cover that is used for driving the magnetic core and reciprocates.
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 retaining ring, the surface of the external thread cylinder is in threaded connection with an internal thread ring used 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 used 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 components is not less than four, and the pressing components 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 to the inner wall of the threaded hole in a threaded mode, and an arc-shaped clamping plate used for clamping and fixing the magnetic core is rotatably connected to one end, close to the magnetic core, of the threaded column through a bearing sleeve.
Preferably, the inner side of the arc-shaped clamping plate is fixedly connected with a friction layer for increasing the friction force between the arc-shaped clamping plate and the magnetic core.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the groove, the screw rod, the movable sleeve, the external thread cylinder, the baffle ring and the internal thread ring, after the fixing of the internal thread ring and the baffle ring on the L-shaped support plate II is released, the movable sleeve can be driven to move up and down by rotating the screw rod, 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 can be conveniently wound on the magnetic core, and meanwhile, the phenomenon that the coil winding on the magnetic core is too thick, so that the interval between the coil winding and the circuit board is small, and the normal heat.
According to the invention, by arranging the external thread cylinder, the baffle ring, the internal thread ring, the thread column, the arc-shaped clamping plate and the friction layer, when the internal thread ring and the baffle ring fix the L-shaped supporting plate II, the thread column is rotated to drive the arc-shaped clamping plate to move, the abutting fixation of the arc-shaped clamping plate on the magnetic core is removed, and then the L-shaped supporting plate II can be moved, so that the length of the magnetic core between the L-shaped supporting plate I and the L-shaped supporting plate II can be adjusted, coils with different lengths can be wound on the magnetic core conveniently, and the adaptability of the 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 taken at A-A of the present invention;
FIG. 4 is an enlarged view of the structure of the present invention at B.
In the figure: 1. an L-shaped support plate I; 2. an L-shaped support plate II; 3. a pin; 4. a magnetic core; 5. a through groove; 6. a screw; 7. moving the sleeve; 8. an externally threaded barrel; 9. a baffle ring; 10. an internally threaded ring; 11. turning a handle; 12. a threaded post; 13. a bearing housing; 14. an arc-shaped splint; 15. and (4) a friction layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a modular magnetic core winding structure for 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 bottoms, pin 3 is convenient for insert this magnetic core winding on the circuit board, is equipped with the magnetic core 4 that is used for the winding coil between L type backup pad one 1 and the L type backup pad two 2.
The inside of L type backup pad 1 is equipped with adjustment mechanism, and the logical groove 5 that supplies magnetic core 4 to reciprocate is seted up on the surface of L type backup pad two 2, and adjusting part rotates and drives magnetic core 4 and reciprocate to the realization changes the distance between magnetic core 4 and the circuit board.
Furthermore, the adjusting mechanism comprises a groove arranged on the side surface of the L-shaped supporting plate 1, the top and the bottom of the inner wall of the groove are rotatably connected with a screw rod 6 through a bearing, the surface of the screw rod 6 is in threaded connection with a moving sleeve 7 for driving the magnetic core 4 to move up and down, when the height of the magnetic core 4 needs to be adjusted, namely the distance between the magnetic core 4 and the circuit board is adjusted, the locking of the magnetic core 4 by the locking mechanism is firstly released, then the screw rod 6 is rotated, because the screw rod 6 is in threaded connection with the moving sleeve 7, and the rotation of the moving sleeve 7 is limited through the groove, the moving sleeve 7 can move on the surface of the screw rod 6, so as to drive the magnetic core 4 to move up and down, namely the distance between the magnetic core 4 and the circuit board is changed, coils with different thicknesses can be conveniently wound on the magnetic core 4, and the phenomenon that the coil winding and, thereby affecting the normal heat dissipation of the 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 establishes the external screw thread section of thick bamboo 8 on magnetic core 4 including the cover, the one end fixedly connected with that an external screw thread section of thick bamboo 8 is close to L type backup pad 1 keeps off ring 9, and the surperficial threaded connection of an external screw thread section of thick bamboo 8 has the internal thread ring 10 that is used for fixing L type backup pad two 2, when the height of magnetic core 4 is adjusted to needs, rotate internal thread ring 10 through turning handle 11 earlier, because internal thread ring 10 and external screw thread section of thick bamboo 8 threaded connection, make internal thread ring 10 can move soon on the surface of an external screw thread section of thick bamboo 8, can remove the fixing to L type backup pad two 2 under the cooperation that keeps off ring 9, the accessible rotates screw rod 6 afterwards and adjusts the height.
Further, the surface of the internal thread ring 10 is fixedly connected with a rotating handle 11, and the rotating handle 11 makes the rotation of the internal thread ring 10 easier and more convenient.
An annular groove is formed in the inner wall of the external thread cylinder 8, and a pressing component used for pressing and fixing the magnetic core 4 is arranged in the annular groove.
Furthermore, the abutting assembly comprises a threaded hole formed in the inner wall of the annular groove, a threaded column 12 is connected to the inner wall of the threaded hole in a threaded manner, one end, close to the magnetic core 4, of the threaded column 12 is rotatably connected with an arc-shaped clamping plate 14 used for clamping and fixing the magnetic core 4 through a bearing sleeve 13, when the length of the magnetic core 4 between the L-shaped supporting plate 1 and the L-shaped supporting plate 2 needs to be changed, the L-shaped supporting plate 2 is fixed by rotating the internal threaded ring 10, then the threaded column 12 is rotated and moved in the threaded hole due to the fact that the threaded column 12 is connected with the threaded hole in a threaded manner, the threaded column 12 is rotatably connected with the arc-shaped clamping plate 14 through the bearing sleeve 13, the arc-shaped clamping plate 14 can be driven to move, abutting fixing of the arc-shaped clamping plate 14 on the magnetic core 4 is released, then the L-shaped supporting plate 2 can be moved, and the length of the magnetic core 4 between, the coils with different lengths can be wound on the magnetic core 4 conveniently according to actual requirements, and the adaptability of the cover magnetic core winding is improved.
Further, the inner side of the arc-shaped clamping plate 14 is fixedly connected with a friction layer 15 used for increasing the friction force between the arc-shaped clamping plate 14 and the magnetic core 4, and the friction force between the arc-shaped clamping plate 14 and the magnetic core 4 is increased by the friction layer 15, so that the clamping and fixing effects of the arc-shaped clamping plate 14 on the magnetic core 4 are better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a modular magnetic core winding structure for high frequency transformer, includes L type backup pad one (1) and two (2) of L type backup pad to and fix pin (3) on L type backup pad one (1) and two (2) of L type backup pad 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 inside of L type backup pad (1) is equipped with adjustment mechanism, logical groove (5) that supply magnetic core (4) to reciprocate are seted up on the surface of L type backup pad two (2), and adjusting part rotates and drives magnetic core (4) and reciprocate to realize changing the distance between magnetic core (4) and the circuit board, the surface cover of magnetic core (4) is equipped with and is used for carrying out the locking mechanical system that fixes to magnetic core (4).
2. The core winding structure for a modular high-frequency transformer as claimed in claim 1, wherein: the adjusting mechanism comprises a groove formed in the side face of the L-shaped supporting plate (1), the top and the bottom of the inner wall of the groove are connected with a screw rod (6) in a rotating mode through a bearing, and the surface of the screw rod (6) is connected with a moving sleeve (7) which is used for driving the magnetic core (4) to move up and down in a threaded mode.
3. The core winding structure for a modular high-frequency transformer as claimed in claim 1, wherein: locking mechanical system establishes an external screw thread section of thick bamboo (8) on magnetic core (4) including the cover, an external screw thread section of thick bamboo (8) are close to the one end fixedly connected with of L type backup pad (1) and keep off ring (9), and the surperficial threaded connection of an external screw thread section of thick bamboo (8) has and is used for the internal thread ring (10) fixed to L type backup pad two (2), the ring channel has been seted up to the inner wall of an external screw thread section of thick bamboo (8), and is equipped with in the ring channel and is used for pressing fixed the subassembly that supports to.
4. The core winding structure for a modular high-frequency transformer as claimed in claim 3, wherein: the surface of the internal thread ring (10) is fixedly connected with a rotating handle (11).
5. The core winding structure for a modular high-frequency transformer as claimed in claim 3, wherein: the number of the pressing components is not less than four, and the pressing components with the number not less than four are uniformly distributed in the annular groove.
6. The core winding structure for a modular high-frequency transformer as claimed in claim 5, wherein: the pressing component comprises a threaded hole formed in the inner wall of the annular groove, a threaded column (12) is connected to the inner wall of the threaded hole in a threaded mode, and an arc-shaped clamping plate (14) used for clamping and fixing the magnetic core (4) is rotatably connected to one end, close to the magnetic core (4), of the threaded column (12) through a bearing sleeve (13).
7. The core winding structure for a modular high-frequency transformer as claimed in claim 6, wherein: the inner side of the arc-shaped clamping plate (14) is fixedly connected with a friction layer (15) used for increasing the friction force between the arc-shaped 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)

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CN202010737400.6A CN111952049B (en) 2020-07-28 2020-07-28 Magnetic core winding structure for combined high-frequency transformer

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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

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CN111952049B CN111952049B (en) 2023-05-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114496497A (en) * 2022-01-14 2022-05-13 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114496497A (en) * 2022-01-14 2022-05-13 东莞市帝达肯电子有限公司 Multilayer freely combined ferrite core and assembling method thereof
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

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

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