CN107785151A - A kind of ethernet network transformer and its manufacture method - Google Patents

A kind of ethernet network transformer and its manufacture method Download PDF

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Publication number
CN107785151A
CN107785151A CN201610729840.0A CN201610729840A CN107785151A CN 107785151 A CN107785151 A CN 107785151A CN 201610729840 A CN201610729840 A CN 201610729840A CN 107785151 A CN107785151 A CN 107785151A
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China
Prior art keywords
enamel
wire
covered wire
twisted
covered
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CN201610729840.0A
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Chinese (zh)
Inventor
邹朝勃
文兴群
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Guangdong Polytron Technologies Inc
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Guangdong Polytron Technologies Inc
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Priority to CN201610729840.0A priority Critical patent/CN107785151A/en
Publication of CN107785151A publication Critical patent/CN107785151A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F17/062Toroidal core with turns of coil around it
    • 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
    • H01F27/2823Wires
    • H01F27/2828Construction of conductive connections, of leads
    • 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
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00Fixed inductances of the signal type 
    • H01F17/04Fixed inductances of the signal type  with magnetic core
    • H01F17/06Fixed inductances of the signal type  with magnetic core with core substantially closed in itself, e.g. toroid
    • H01F2017/067Core with two or more holes to lead through conductor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

The invention discloses a kind of ethernet network transformer, including network transformer shell, shell pin, main transformer magnet ring, common mode choke magnet ring, first twisted wire and the second twisted wire, the shell pin is arranged in network transformer shell, shell pin includes interior pin and outer pin, interior pin is connected with outer pin by wire, the main transformer magnet ring and common mode choke magnet ring are arranged in network transformer shell, first twisted wire is by red, gold, it is green, blue four enamel-covered wires are twisted, second twisted wire is by red, gold, it is green, blue four enamel-covered wires are twisted.The present invention is made by twisted wire, around main transformer magnet ring, broken center head line, around common mode choke magnet ring, shell pin kinking and filling insulative glue step;The transmission of this ethernet network transformer network signal is complete, and signal transmission rate faster, and facilitates twisted wire, can suppress noise well.

Description

A kind of ethernet network transformer and its manufacture method
Technical field
The present invention relates to a kind of transformer, especially a kind of ethernet network transformer and its manufacture method.
Background technology
In network transformer, because network transformer has signal transmission, impedance matching, waveform reparation, signal noise The effect such as suppression and high-voltage isolating, therefore in the ten thousand mbit ethernet networks under very high-speed data transfer environment, network transformer Have the function that very important, directly affect the network communication quality of Ethernet.With the development of science and technology, electronics is produced The performance and reliability of product propose higher requirement, and the maximum operating frequency of current network transformer is not strong enough and maximum transmitted Power is not also high, and existing network transformer can not meet demand both domestic and external.
The content of the invention
In view of the above, the technical problem to be solved in the present invention is:A kind of Highgrade integration, the ether of miniaturization are provided Net network transformer, ensure superelevation transmission rate, and strong anti-interference performance, meet demand both domestic and external.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of ethernet network transformer, including network transformer shell, shell pin, main transformer magnet ring, common mode choke Magnet ring, the first twisted wire and the second twisted wire, it is characterised in that:In the network transformer shell up and down both sides interior pin it Between connected by the first twisted wire and the second twisted wire, first twisted wire and the second twisted line locking are wrapped in from top to bottom In the main transformer magnet ring and common mode choke magnet ring of setting, the shell pin has multigroup and is uniformly arranged on network transformer The both sides up and down of shell, every group includes composite twisted wire pin, head wire pin, buttock line pin, the composite twisted wire pin, head line Pin, buttock line pin include interior pin and the outer pin connected by wire,
First twisted wire and the second twisted wire are twisted by red, golden, green, blue four enamel-covered wires;First twisted wire is left End is respectively the first left red enamel-covered wire, the first left gold lacquer envelope curve, the first left green enamel-covered wire, the first left blue enamel-covered wire, and first is twisted Line right-hand member is respectively the first right red enamel-covered wire, the first right gold lacquer envelope curve, the first right green enamel-covered wire, the first right blue enamel-covered wire;
Second twisted wire left end is respectively the second left red enamel-covered wire, the second left gold lacquer envelope curve, the second left green enamel-covered wire, the second left indigo plant Enamel-covered wire, the second twisted wire right-hand member are respectively the second right red enamel-covered wire, the second right gold lacquer envelope curve, the second right green enamel-covered wire, second Right blue enamel-covered wire;
First right gold lacquer envelope curve, the second right gold lacquer envelope curve, the first left blue enamel-covered wire, the second left blue enamel-covered wire are twisted and connected To the composite twisted wire pin of top, the first left gold lacquer envelope curve and the second left gold lacquer envelope curve carry out twisted and to be connected to top corresponding Head wire pin, the first right blue enamel-covered wire and the second right blue enamel-covered wire carry out twisted and corresponding buttock line pin above being connected to;
First right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire are twisted and connected To composite twisted wire pin corresponding to lower section, the first left red enamel-covered wire and the second left red enamel-covered wire carry out twisted and right below being connected to The head wire pin answered, the first right green enamel-covered wire and the second right green enamel-covered wire carry out twisted and corresponding buttock line draws below being connected to Pin.
Preferably, the network transformer enclosure sets the plastic plate barricade with function of shielding.
Preferably, diplopore or porous square structure of the main transformer magnet ring for high permeability.
Preferably, the common mode choke magnet ring uses diplopore or porous high impedance square core structure.
A kind of manufacture method of ethernet network transformer, comprises the following steps:
1)Red, golden, green, Lan Si kind color enamel-covered wires are provided, take red, golden, green, blue four enamel-covered wires to be twisted into the first twisted wire, Red, golden, green, blue four enamel-covered wires are taken to be twisted into the second twisted wire;
2)Two twisted wires of the first twisted wire and the second twisted wire are taken, are penetrated from the hole one of main transformer magnet ring, and worn from hole two Go out, repeat previous action and complete to wear ring multi-turn to main transformer magnet ring;
3)After main transformer magnet ring, respectively red enamel-covered wire left to first and the second left red enamel-covered wire, the first left gold lacquer envelope curve and Second left gold lacquer envelope curve, the first right green enamel-covered wire and the second right green enamel-covered wire, the first right blue enamel-covered wire and the second right blue enamel-covered wire It is twisted two-by-two, then to the first right gold lacquer envelope curve, the second right gold lacquer envelope curve, the first left blue enamel-covered wire, the second left blue enamel-covered wire Carry out four to be twisted, the first right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire progress Four twisted;
4)First right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire composition are twisted Line carries out broken skin processing, and the coat of paint length broken is 3mm or so;
5)The first right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire is taken to form twisted Twisted wire, the first right green enamel-covered wire and the second right green enamel-covered wire of line, the first left red enamel-covered wire and the second left red enamel-covered wire composition The twisted wire of composition penetrates from the hole three of common mode choke magnet ring, and is passed from Kong Si, then is gripped along main transformer magnet ring with common mode Taken two turns between stream circle magnet ring by stubborn clockwise, acted before repeating, complete to wear ring multi-turn to common mode choke magnet ring;
6)By the first right gold lacquer envelope curve, the second right gold lacquer envelope curve, the first left blue enamel-covered wire, the second left blue enamel-covered wire twisted wire simultaneously Be connected to the composite twisted wire pin of top, the first left gold lacquer envelope curve and the twisted wire of the second left gold lacquer envelope curve be connected to above it is corresponding Head wire pin, the first right blue enamel-covered wire and the twisted wire of the second right blue enamel-covered wire are connected to the corresponding buttock line pin in top;
First right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the twisted wire of the second left green enamel-covered wire are connected to Composite twisted wire pin corresponding to lower section, the first left red enamel-covered wire be connected to the twisted wire of the second left red enamel-covered wire below it is corresponding Head wire pin, the first right green enamel-covered wire be connected to the twisted wire of the second right green enamel-covered wire below corresponding buttock line pin;
7)Melting coat of paint at magnet wire insulation after wicking makes the wire in enamel-covered wire be turned on interior pin;
8)Insulative glue is filled in transformer shell body to winding enamel-covered wire.
The present invention provides a kind of ethernet network transformer, has the advantages that:
The plastic plate barricade with function of shielding of special substance is set by network transformer enclosure, coil can be fixed on The position of setting, adjacent windings transmission signal interferes in effectively anti-stop signal transmission, ensures the complete of whole network signal Transmission;
The diplopore of high permeability or porous square structure are arranged to by main transformer magnet ring, reduced in signals transmission Magnetic hystersis loss and eddy-current loss, it is ensured that the insertion loss of whole network transmission and reflection loss are minimum;
Diplopore or porous high impedance square core structure are used by common mode choke magnet ring, add impedance, so as in electricity Lu Zhongke suppresses high-frequency interferencing signal, and ensures that the energy loss of signal is minimum, and signal transmission rate is faster;
Using the twisted wire of two red, golden, blue, green different colours, facilitate twisted wire, reduce abrasion and the broken string probability of enamel-covered wire, It is simultaneously convenient to be transmitted to greatest extent without the bit error rate around magnet ring, reduction kelvin effect, signal transmission, ensure the integrality of signal;
By directly by four enamel-covered wires break coat of paint, broken coat of paint enamel-covered wire short circuit together, for the common-mode noise of ground There is good inhibiting effect.
Brief description of the drawings
Fig. 1 is the main transformer magnet ring structure schematic diagram of ethernet network transformer of the present invention;
Fig. 2 is the common mode choke magnet ring structure schematic diagram of ethernet network transformer of the present invention;
Fig. 3 is network transformer shell mechanism schematic diagram;
Fig. 4 is the first strand structures schematic diagram of ethernet network transformer of the present invention;
Fig. 5 is the second strand structures schematic diagram of ethernet network transformer of the present invention;
Fig. 6 is to wear ring schematic diagram around main transformer magnet ring in the present invention;
Fig. 7 is to wear ring and broken skin processing schematic diagram around main transformer magnet ring in the present invention;
Fig. 8 is to wear ring schematic diagram around common mode choke magnet ring in the present invention;
Fig. 9 is shell pin kinking schematic diagram in ethernet network transformer of the present invention.
In figure:1. network transformer shell, 2. main transformer magnet rings, 3. common mode choke magnet rings, 4. first is twisted Line, 5. second twisted wires, pin in 6., 7. outer pins, 8. holes one, 9. holes two, 10. holes three, 11. holes four, 12. One left red enamel-covered wire, 13. first left gold lacquer envelope curves, 14. first left green enamel-covered wires, 15. first left blue enamel-covered wires, 16. the One right red enamel-covered wire, 17. first right gold lacquer envelope curves, 18. first right green enamel-covered wires, 19. first right blue enamel-covered wires, 20. the Two left red enamel-covered wires, 21. second left gold lacquer envelope curves, 22. second left green enamel-covered wires, 23. second left blue enamel-covered wires, 24. the Two right red enamel-covered wires, 25. second right gold lacquer envelope curves, 26. second right green enamel-covered wires, 27. second right blue enamel-covered wires, 28. modelings Offset plate barricade.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
As shown in Figures 1 to 5, better embodiment of the present invention provides a kind of ethernet network transformer, including network Transformer case 1, shell pin, main transformer magnet ring 2, common mode choke magnet ring 3, the first twisted wire 4 and the second twisted wire 5, The inside of network transformer shell 1 sets the plastic plate barricade 28 with function of shielding of special substance, and the shell pin is set It is placed in network transformer shell, shell pin includes interior pin 6 and outer pin 7, and interior pin 6 is connected with outer pin 7 by wire Connect, the main transformer magnet ring 2 and common mode choke magnet ring 3 are arranged in network transformer shell 1, the main transformer magnet ring 2 be diplopore square structure, and the diplopore square structure of main transformer magnet ring 2 is respectively hole 1 and hole 29, the common mode choke Magnet ring 3 is diplopore high impedance square structure, and the diplopore high impedance square structure of common mode choke magnet ring 3 is respectively hole 3 10 and hole 4 11,
First twisted wire 4 is twisted by red, golden, green, blue four enamel-covered wires, red, golden, the green, Lan Si of the first twisted wire 4 Bar enamel-covered wire left end is respectively the first left red enamel-covered wire 12, the left green enamel-covered wire 14 of the first left gold lacquer envelope curve 13, first, the first left indigo plant Enamel-covered wire 15, red, golden, green, blue four enamel-covered wire right-hand members of the first twisted wire 4 are respectively that the first right red enamel-covered wire 16, first is right The right green right blue enamel-covered wire 19 of enamel-covered wire 18, first of gold lacquer envelope curve 17, first,
Second twisted wire 5 is twisted by red, golden, green, blue four enamel-covered wires, red, golden, the green, Lan Si of the second twisted wire 5 Bar enamel-covered wire left end is respectively the second left red enamel-covered wire 20, the left green enamel-covered wire 22 of the second left gold lacquer envelope curve 21, second, the second left indigo plant Enamel-covered wire 23, red, golden, green, blue four enamel-covered wire right-hand members of the second twisted wire 5 are respectively that the second right red enamel-covered wire 24, second is right The right green right blue enamel-covered wire 27 of enamel-covered wire 26, second of gold lacquer envelope curve 25, second.
It is 45mm, left section of enamel-covered wire and paint that the centre of the twisted wire 5 of first twisted wire 4 and second, which is twisted segment length size, The right segment length size of envelope curve is 60mm, and in other embodiments, three segment length sizes of the twisted wire can be as needed It is adjusted.
Reference picture 6 is as follows to Fig. 9, the main manufacturing processes flow of this ethernet network transformer:
The first step, 5 two twisted wires of the first twisted wire 4 and the second twisted wire are taken, are penetrated from the hole 1 of main transformer magnet ring 2, and Passed from hole 29, repeat previous action and complete to wear ring multi-turn to main transformer magnet ring 2.
Second step, after main transformer magnet ring 2, the red enamel-covered wire 20 in the red left side of enamel-covered wire 12 and second left to first, the respectively The green enamel-covered wire 26 in the one green right side of enamel-covered wire 18 and second in the left left right side of gold lacquer envelope curve 21, first of gold lacquer envelope curve 13 and second, the first right indigo plant Enamel-covered wire 19 is twisted two-by-two with the second right blue enamel-covered wire 27, then to the first right gold lacquer envelope curve 17, the second right gold lacquer envelope curve 25, The first left blue left blue enamel-covered wire 23 of enamel-covered wire 15, second carries out four twisted, the first right red right red enamel-covered wires of enamel-covered wire 16, second 24th, the first left green left green progress of enamel-covered wire 22 four of enamel-covered wire 14, second is twisted.
3rd step, reference picture 6, the left green enamel-covered wire 14 of the red enamel-covered wire 24, first in the red right side of enamel-covered wire 16, second right to first, The twisted wire that second left green enamel-covered wire 22 forms carries out broken skin processing, and the coat of paint length broken is 3mm or so.
4th step, take the first right red right red left green enamel-covered wire 14, second of enamel-covered wire 24, first of enamel-covered wire 16, second left green Twisted wire that twisted wire that enamel-covered wire 22 forms, the first left red enamel-covered wire 12 form with the second left red enamel-covered wire 20, first right side are green The twisted wire that enamel-covered wire 18 and the second right green enamel-covered wire 26 form penetrates from the hole 3 10 of common mode choke magnet ring 3, and from Kong Si 11 pass, then are taken two turns along between main transformer magnet ring 2 and common mode choke magnet ring 3 by stubborn clockwise.Acted before repeating, completion pair Common mode choke magnet ring 3 wears ring multi-turn.
5th step, enamel-covered wire is twined respectively to interior pin 6, melting coat of paint at magnet wire insulation after wicking makes in enamel-covered wire Wire turned on interior pin 6.
Finally, insulative glue is filled in the transformer shell body to winding enamel-covered wire.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any The change or replacement expected without creative work, it should all be included within the scope of the present invention.

Claims (5)

1. a kind of ethernet network transformer, including network transformer shell, shell pin, main transformer magnet ring, common mode chokes Enclose magnet ring, the first twisted wire and the second twisted wire, it is characterised in that:The interior pin of both sides above and below in the network transformer shell Between connected by the first twisted wire and the second twisted wire, first twisted wire and the second twisted line locking be wrapped in from upper and In the main transformer magnet ring and common mode choke magnet ring of lower setting, the shell pin has multigroup and is uniformly arranged on network transformation The both sides up and down of device shell, every group includes composite twisted wire pin, head wire pin, buttock line pin, the composite twisted wire pin, head Wire pin, buttock line pin include interior pin and the outer pin connected by wire;
First twisted wire and the second twisted wire are twisted by red, golden, green, blue four enamel-covered wires;First twisted wire is left End is respectively the first left red enamel-covered wire, the first left gold lacquer envelope curve, the first left green enamel-covered wire, the first left blue enamel-covered wire, and first is twisted Line right-hand member is respectively the first right red enamel-covered wire, the first right gold lacquer envelope curve, the first right green enamel-covered wire, the first right blue enamel-covered wire;
Second twisted wire left end is respectively the second left red enamel-covered wire, the second left gold lacquer envelope curve, the second left green enamel-covered wire, the second left indigo plant Enamel-covered wire, the second twisted wire right-hand member are respectively the second right red enamel-covered wire, the second right gold lacquer envelope curve, the second right green enamel-covered wire, second Right blue enamel-covered wire;
First right gold lacquer envelope curve, the second right gold lacquer envelope curve, the first left blue enamel-covered wire, the second left blue enamel-covered wire are twisted and connected To the composite twisted wire pin of top, the first left gold lacquer envelope curve and the second left gold lacquer envelope curve carry out twisted and to be connected to top corresponding Head wire pin, the first right blue enamel-covered wire and the second right blue enamel-covered wire carry out twisted and corresponding buttock line pin above being connected to;
First right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire are twisted and connected To composite twisted wire pin corresponding to lower section, the first left red enamel-covered wire and the second left red enamel-covered wire carry out twisted and right below being connected to The head wire pin answered, the first right green enamel-covered wire and the second right green enamel-covered wire carry out twisted and corresponding buttock line draws below being connected to Pin.
2. ethernet network transformer as described in claim 1, it is characterised in that:The network transformer enclosure is set Put the plastic plate barricade with function of shielding.
3. ethernet network transformer as described in claim 1, it is characterised in that:The main transformer magnet ring is high magnetic conduction The diplopore of rate or porous square structure.
4. ethernet network transformer as described in claim 1, it is characterised in that:The common mode choke magnet ring is using double Hole or porous high impedance square core structure.
5. a kind of manufacture method of ethernet network transformer according to claim 1, comprises the following steps:
1)Red, golden, green, Lan Si kind color enamel-covered wires are provided, take red, golden, green, blue four enamel-covered wires to be twisted into the first twisted wire, Red, golden, green, blue four enamel-covered wires are taken to be twisted into the second twisted wire;
2)Two twisted wires of the first twisted wire and the second twisted wire are taken, are penetrated from the hole one of main transformer magnet ring, and worn from hole two Go out, repeat previous action and complete to wear ring multi-turn to main transformer magnet ring;
3)After main transformer magnet ring, respectively red enamel-covered wire left to first and the second left red enamel-covered wire, the first left gold lacquer envelope curve and Second left gold lacquer envelope curve, the first right green enamel-covered wire and the second right green enamel-covered wire, the first right blue enamel-covered wire and the second right blue enamel-covered wire It is twisted two-by-two, then to the first right gold lacquer envelope curve, the second right gold lacquer envelope curve, the first left blue enamel-covered wire, the second left blue enamel-covered wire Carry out four to be twisted, the first right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire progress Four twisted;
4)First right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire composition are twisted Line carries out broken skin processing, and the coat of paint length broken is 3mm or so;
5)The first right red enamel-covered wire, the second right red enamel-covered wire, the first left green enamel-covered wire, the second left green enamel-covered wire is taken to form twisted Twisted wire, the first right green enamel-covered wire and the second right green enamel-covered wire of line, the first left red enamel-covered wire and the second left red enamel-covered wire composition The twisted wire of composition penetrates from the hole three of common mode choke magnet ring, and is passed from Kong Si, then is gripped along main transformer magnet ring with common mode Taken two turns between stream circle magnet ring by stubborn clockwise, acted before repeating, complete to wear ring multi-turn to common mode choke magnet ring;
6)Enamel-covered wire is twined respectively to interior pin, coat of paint at magnet wire insulation is melted after wicking make wire in enamel-covered wire with it is interior Pin turns on;
7)Insulative glue is filled in transformer shell body to winding enamel-covered wire.
CN201610729840.0A 2016-08-26 2016-08-26 A kind of ethernet network transformer and its manufacture method Pending CN107785151A (en)

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Application Number Priority Date Filing Date Title
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN108735496A (en) * 2018-04-03 2018-11-02 绵阳高新区经纬达科技有限公司 A kind of production method and network transformation magnetic core coil of network transformation magnetic core coil
CN108962559A (en) * 2018-07-20 2018-12-07 张元洪 Ethernet transformer
EP3462468A1 (en) * 2017-09-28 2019-04-03 Karl Storz Imaging, Inc. High speed data transformer for patient isolation barrier
CN109920620A (en) * 2019-03-28 2019-06-21 罗山县三通达电子科技有限公司 A kind of common mode choke for eliminating electrostatic interference
CN110783088A (en) * 2019-11-26 2020-02-11 耒阳市亚湘电子科技有限公司 Production method of network transformer
CN112542307A (en) * 2020-11-24 2021-03-23 鸿磬电子(东莞)有限公司 Network transformer preparation method

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CN201251992Y (en) * 2008-05-27 2009-06-03 杨英 Transformer dedicated to connector
KR100920337B1 (en) * 2009-06-19 2009-10-07 주민정 Nipper device for separation low-voltage cable of transformer
CN102779635A (en) * 2012-08-24 2012-11-14 东莞市铭普实业有限公司 10G Ethernet transformer and manufacturing method thereof
CN205264471U (en) * 2015-12-31 2016-05-25 东莞铭普光磁股份有限公司 Network card and network transformer thereof

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Publication number Priority date Publication date Assignee Title
US6483203B1 (en) * 2000-06-08 2002-11-19 3Com Corporation Single unit integrated transformer assembly
CN201251992Y (en) * 2008-05-27 2009-06-03 杨英 Transformer dedicated to connector
KR100920337B1 (en) * 2009-06-19 2009-10-07 주민정 Nipper device for separation low-voltage cable of transformer
CN102779635A (en) * 2012-08-24 2012-11-14 东莞市铭普实业有限公司 10G Ethernet transformer and manufacturing method thereof
CN205264471U (en) * 2015-12-31 2016-05-25 东莞铭普光磁股份有限公司 Network card and network transformer thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3462468A1 (en) * 2017-09-28 2019-04-03 Karl Storz Imaging, Inc. High speed data transformer for patient isolation barrier
US10726990B2 (en) 2017-09-28 2020-07-28 Karl Storz Imaging, Inc. High speed data transformer for patient isolation barrier
CN108735496A (en) * 2018-04-03 2018-11-02 绵阳高新区经纬达科技有限公司 A kind of production method and network transformation magnetic core coil of network transformation magnetic core coil
CN108962559A (en) * 2018-07-20 2018-12-07 张元洪 Ethernet transformer
CN108962559B (en) * 2018-07-20 2024-05-10 张元洪 Ethernet transformer
CN109920620A (en) * 2019-03-28 2019-06-21 罗山县三通达电子科技有限公司 A kind of common mode choke for eliminating electrostatic interference
CN109920620B (en) * 2019-03-28 2024-03-29 罗山县三通达电子科技有限公司 Common mode choke coil for eliminating electrostatic interference
CN110783088A (en) * 2019-11-26 2020-02-11 耒阳市亚湘电子科技有限公司 Production method of network transformer
CN112542307A (en) * 2020-11-24 2021-03-23 鸿磬电子(东莞)有限公司 Network transformer preparation method

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