CN101572177B - Network transformer as well as network module and electronic device using same - Google Patents
Network transformer as well as network module and electronic device using same Download PDFInfo
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- CN101572177B CN101572177B CN2008100962082A CN200810096208A CN101572177B CN 101572177 B CN101572177 B CN 101572177B CN 2008100962082 A CN2008100962082 A CN 2008100962082A CN 200810096208 A CN200810096208 A CN 200810096208A CN 101572177 B CN101572177 B CN 101572177B
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Abstract
The invention discloses a network transformer as well as a network module and an electronic device using the same. The network transformer comprises a plurality of coil groups, an insulating partitionboard and a shell provided with a plurality of pins, wherein the network transformer is assembled on a printed circuit board through the pins of the shell; the insulating partition board is arranged in the shell and connected with at least two side walls of the shell to form a plurality of isolation grooves; and each isolation groove is used for accommodating one of the coil groups. In the invention, the insulating partition board is arranged in the shell of the network transformer to form the plurality of isolation grooves in the shell so as to respectively isolate the coil groups in the network transformer, thereby the condition that when the network transformer suffers from lightning strike, instant high voltage can puncture the winding on one coil to penetrate through another group ofcoil to cause damage of network equipment is avoided. The invention improves the lighting-strike resisting effect of the network transformer, saves peripheral parts and achieves the cost advantage.
Description
Technical field
The present invention relates to a kind of transformer, and particularly relate to a kind of network transformer (NetworkTransformer).
Background technology
Along with the development of computer science and technology, the application of network technology is also progressive day by day, and the computer of today breaks away from the flow process of unit operation gradually, and marches toward the epoch of network job.Therefore, the diverse network module in order to the Control Network contact also constantly develops with device.
In general, various computer installations are to get in touch by the computer on mixed-media network modules mixed-media and grid line and other network.Fig. 1 a is the schematic diagram that typical computer installation is connected with network.Computer installation 101 is to be connected to world-wide web 103 by grid line 104a.Computer installation 102 is to be connected to world-wide web 103 by grid line 104b.Whereby, just can transmit data or information mutually between computer installation 101 and the computer installation 102 by world-wide web 103.
Fig. 1 b is the schematic diagram of the mixed-media network modules mixed-media in the computer installation.Mixed-media network modules mixed-media 110 comprises network chip 111, network transformer 112, reaches in order to connect the grid line connector 113 of grid line 114.
Network transformer 112 can be described as network isolation transformer again, and it mainly is to be used to provide impedance matching and to isolate unusually.For example: the impedance of the computer installation (or network equipment) that is connected when the grid line two ends just can be adjusted by the number of turns of network transformer 112, not simultaneously so that the device that the grid line two ends are connected can be reached impedance matching.
The voltage of the device that the grid line two ends are connected might be inconsistent, by the protection of network transformer, can prevent that also the different voltages of heterogeneous networks equipment room from connecting and infringement equipment by network.In addition, network transformer also can prevent the computer installation (or network equipment) of the instantaneous pressure damage local side that grid line transmits.
Fig. 2 is the schematic diagram of existing network transformer, network transformer 200 comprise insulation shell 201, metal pin 202, and with a plurality of coil groups 203 of metal pin 202 electric connections.Above-mentioned a plurality of coil groups 203 is parallel being placed in the insulation shell 201, and the distance between the above-mentioned coil groups 203 is also very approaching.The defective of existing network transformer, in producing the process of network transformer 200, the enamelled wire on the coil groups 203 might be destroyed or itself flaw be arranged.This causes mixed-media network modules mixed-media when thunderbolt, and the instantaneous pressure that is produced on the coil groups 203 may be broken through the insulating barrier of enamelled wire down and be coupled to another coil groups, and then cause the damage of the network equipment.
Summary of the invention
In view of this, the invention provides a kind of network transformer (Network Transformer Module), to improve the defective of prior art.
According to a specific embodiment, the invention provides a kind of network transformer, it comprises a plurality of coil groups, insulating barrier, reaches housing.Housing is provided with a plurality of pins.Network transformer is located on the printed circuit board (PCB) by the pin group of housing.Insulating barrier is arranged in the housing, and is connected with at least two sidewalls of above-mentioned housing, and to form a plurality of isolation channels, each isolation channel is in order to the wherein coil groups in ccontaining a plurality of coil groups.
According to a specific embodiment, the invention provides a kind of electronic installation, it comprises circuit board, CPU, chipset, network chip, grid line connector, reaches network transformer.The CPU group is located on the circuit board.Chipset couples CPU, and group is located on the circuit board.Network chip coupling chip group, and group is located on the circuit board.Grid line connector group is located on the circuit board.Network transformer is coupled in respectively between network chip and the grid line connector.Network transformer more comprises a plurality of coil groups, housing, reaches insulating barrier.Insulating barrier is arranged in the housing, and is connected with at least two sidewalls of housing, and is to form a plurality of isolation channels, wherein ccontaining respectively for a plurality of coil groups.
According to a specific embodiment, the invention provides a kind of mixed-media network modules mixed-media, it comprises network chip, grid line connector, reaches network transformer.Network transformer is coupled in respectively between network chip and the grid line connector.Network transformer comprises a plurality of coil groups, housing, reaches insulating barrier.Above-mentioned insulating barrier is arranged in the housing, and is connected with at least two sidewalls of housing, and is to form a plurality of isolation channels, wherein ccontaining respectively for above-mentioned a plurality of coil groups.
Beneficial effect of the present invention is, in the housing of network transformer, insulating barrier is set, make housing form a plurality of isolation channels, so that the coil of the many groups in the network transformer is separated respectively, can avoid network transformer when the instantaneous pressure that is struck by lightning and puncture coiling on the coil like this, wear out to another group coil, cause the damage of the network equipment, improve the anti-lightning strike effect of network transformer, the use of more saving peripheral component reaches cost advantage.
For above-mentioned feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 a is depicted as the schematic diagram that typical computer installation is connected with network.
Fig. 1 b is depicted as the schematic diagram of the mixed-media network modules mixed-media in the computer installation.
Figure 2 shows that the schematic diagram of existing network transformer.
Figure 3 shows that the schematic diagram of a kind of network transformer that one embodiment of the invention discloses.
Figure 4 shows that a kind of network transformer of one embodiment of the invention announcement is poured the schematic diagram of insulating cement.
Figure 5 shows that the schematic diagram of a kind of network transformer that another embodiment of the present invention discloses.
Figure 6 shows that the functional block diagram of the computer main frame panel that another embodiment of the present invention discloses.
Embodiment
Fig. 3 is the schematic diagram of the network transformer of first embodiment of the invention.In this embodiment, network transformer 300 mainly is arranged in the network card, but is not limited to the separate network card, also comprises mixed-media network modules mixed-media on the computer main frame panel etc.In other embodiments, network transformer 300 also can be arranged on motherboard on the computer installation with network chip and grid line connector, to become a mixed-media network modules mixed-media.The network transformer 300 that this enforcement provided comprises a plurality of coil groups 341,342, insulating barrier 330, and housing 310.
Insulating barrier 330 is arranged in the housing 310, and the sidewall 311,312 of itself and housing 310 is connected, so that housing 310 forms two isolation channels 301,302.In the present embodiment, housing 310 is integrated with insulating barrier 330.In other embodiments, housing 310 also can be two independently assemblies with insulating barrier 330, and insulating barrier 330 is to be plugged in the housing 310, and insulating barrier 330 can be by solid or engaging mechanism and housing 310 fluid-tight engagement.
In the present embodiment, referring to Fig. 4, each isolation channel 301,302 can be poured insulating cement 400, so that coil groups 341,342 can better be fixed in the isolation channel 301,302, and makes coil groups 341,342 have better electrical insulating property.
In the present embodiment, the material of housing 310, insulating barrier 330 is anti-combustion level phthalic acid di-allyl ester moulding materials.Can ensure that like this heat that instantaneous pressure produced when network transformer can be struck by lightning damages.In the present embodiment, the iron core that coil groups 341,342 is adopted is ring structure iron core (Toroide Core), and it is the magnetic field of a sealing, and perfect nearly magnetic force loop line is arranged, and its transmission distortion is little, coupling coefficient almost can reach 1 degree.In addition, adopt ring structure iron core to have the little and high advantage of efficient in space.
See also Fig. 5, Fig. 5 is the schematic diagram of a kind of network transformer of another embodiment of the present invention.The network transformer 500 that present embodiment provided comprises insulating barrier 531,532,533, and the sidewall 511,512 that is connected with housing 510, so that four isolation channels of housing 510 formation.Assembly that present embodiment provided and function thereof are all similar with the foregoing description, in this no longer repeat specification.Present embodiment and the foregoing description difference are, the network transformer 300 that the foregoing description provided has two isolation channels 301,302, it is applicable to the mixed-media network modules mixed-media of 10/100M specification, and the network transformer 500 that present embodiment provided has four isolation channels 501,502,503,504, and it is applicable to the mixed-media network modules mixed-media of 1/10G specification.
Fig. 6 display network transformer is implemented in the schematic diagram of an embodiment of electronic installation.In this embodiment, network transformer 610 is to be implemented in the electronic installation 700.Electronic installation 700 comprises motherboard 600, CPU (CPU) 601, main bus 602, north bridge chips 603, main memory bus 604, main system memory 605, South Bridge chip 606, input and output (I/O) bus 607, network chip 608, network transformer 610, reaches grid line connector 609.
In the present embodiment, electronic installation 700 is a notebook, and in other embodiments, electronic installation 700 can be other electronic installation with mixed-media network modules mixed-media.
Above-mentioned CPU 601, main bus 602, north bridge chips 603, main memory bus 604, main system memory 605, South Bridge chip 606, input and output (I/O) bus 607, network chip 608, network transformer 610, and the grid line connector be located on the motherboard 600 for 609 groups.Above-mentioned north bridge chips 603 can constitute a chipset with above-mentioned South Bridge chip 606.Above-mentioned network chip 608, network transformer 610, and grid line connector 609 can constitute a mixed-media network modules mixed-media.
Above-mentioned CPU 601 coupling chip groups also be that above-mentioned CPU 601 couples north bridge chips 603 by main bus 602, and north bridge chips 603 couple South Bridge chip 606.North bridge chips 603 also couples main system memory 605 by main memory bus 604.South Bridge chip 606 couples network chip 608 by input/output bus 607.Network transformer 610 couples network chip 608 and grid line connector 609 respectively.
Above-mentioned CPU 601 is used for controlling the overall operation of computer system, and all operations all is responsible for reading command by CPU 601 in the computer system, to instruction decoding and execution command.
Above-mentioned north bridge chips 603 be used for controlling high-speed peripheral (as main system memory 55) and and CPU 51 between the signal transmission.
Above-mentioned South Bridge chip 606 by input/output bus 607 be used for controlling low speed peripheral unit (as pci bus, USB, LAN, ATA, SATA, Audio Controller, keyboard controller, real-time clock controller, Advanced Program Zoom etc.) and and north bridge chips 603 between the signal transmission.
In the present embodiment, network chip 608 is network chip 608 modules of 10/100M, the specification of network transformer 610 is supported the mixed-media network modules mixed-media of 10/100M, grid line connector 609 is RJ45 connectors, wherein network transformer 610 has two isolation channels, to place coil groups respectively, so that preferable anti-lightning strike effect to be provided.
The coil that the differential signal that network transformer 610 is sent out network chip 608 is coupled with differential mode is coupled filtering with enhancing signal, and is coupled to an other end that connects netting twine by the conversion of electromagnetic field.So not only making does not have connection physically between netting twine and the network chip 608 and has transmitted signal, has cut off the DC component in the signal, can also transmit data in the equipment of different 0V level.
In sum; the network transformer that preferred embodiment of the present invention provided can effectively improve the various shortcoming of existing network transformer; the good anti-lightning strike effect of raising network transformer can more be arranged with protecting network equipment, more can save the use of peripheral component, effectively control cost.
Though the present invention discloses as above with specific embodiment; so it is only in order to illustrate technology contents of the present invention; and be not with narrow sense of the present invention be defined in the foregoing description; those of ordinary skill under any in the technical field; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (13)
1. a network transformer is characterized in that, comprising:
A plurality of coil groups;
Insulating barrier; And
Housing is provided with a plurality of pins, and the pin group of above-mentioned network transformer by above-mentioned housing be located on the printed circuit board (PCB),
Wherein above-mentioned insulating barrier is arranged in the above-mentioned housing, and is connected with at least two sidewalls of above-mentioned housing, and to form a plurality of isolation channels, each isolation channel is in order to one of them coil groups in ccontaining above-mentioned these coil groups.
2. network transformer according to claim 1, it is characterized in that, wherein above-mentioned network transformer is coupled between network chip and the grid line connector, and above-mentioned network transformer, above-mentioned network chip, and above-mentioned grid line connector group be located on the above-mentioned printed circuit board (PCB).
3. network transformer according to claim 1 is characterized in that, wherein above-mentioned housing and above-mentioned insulating barrier are the one ejection formations.
4. network transformer according to claim 1 is characterized in that, wherein above-mentioned isolation channel is poured insulating cement, fixedly to be placed in the coil groups in the above-mentioned isolation channel.
5. network transformer according to claim 1 is characterized in that, wherein above-mentioned housing and the used material of above-mentioned insulating barrier are anti-combustion level phthalic acid di-allyl ester moulding materials.
6. an electronic installation is characterized in that, comprising:
Circuit board;
CPU, group is located on the foregoing circuit plate;
Chipset couples above-mentioned CPU, and group is located on the foregoing circuit plate;
Network chip couples the said chip group, and group is located on the foregoing circuit plate;
The grid line connector, group is located on the foregoing circuit plate; And
Network transformer is coupled in respectively between above-mentioned network chip and the above-mentioned grid line connector, and above-mentioned network transformer comprises:
A plurality of coil groups;
Housing; And
Insulating barrier is arranged in the above-mentioned housing, and is connected with at least two sidewalls of above-mentioned housing, and is to form a plurality of isolation channels, wherein ccontaining respectively for above-mentioned a plurality of coil groups.
7. electronic installation according to claim 6 is characterized in that, wherein above-mentioned housing and above-mentioned insulating barrier are the one ejection formations.
8. electronic installation according to claim 6 is characterized in that, wherein above-mentioned isolation channel is poured insulating cement, fixedly to be placed in the coil in the above-mentioned isolation channel.
9. electronic installation according to claim 6 is characterized in that, wherein above-mentioned housing and the used material of above-mentioned insulating barrier are anti-combustion level phthalic acid di-allyl ester moulding materials.
10. a mixed-media network modules mixed-media is characterized in that, comprising:
Network chip;
The grid line connector; And
Network transformer is coupled in respectively between above-mentioned network chip and the above-mentioned grid line connector, and above-mentioned network transformer comprises:
A plurality of coil groups;
Housing; And
Insulating barrier is arranged in the above-mentioned housing, and is connected with at least two sidewalls of above-mentioned housing, and is to form a plurality of isolation channels, wherein ccontaining respectively for above-mentioned a plurality of coil groups.
11. mixed-media network modules mixed-media according to claim 10 is characterized in that, wherein above-mentioned housing and above-mentioned insulating barrier are the one ejection formations.
12. mixed-media network modules mixed-media according to claim 10 is characterized in that, wherein above-mentioned isolation channel is poured insulating cement, fixedly to be placed in the coil in the above-mentioned isolation channel.
13. mixed-media network modules mixed-media according to claim 10 is characterized in that, wherein above-mentioned housing and the used material of above-mentioned insulating barrier are anti-combustion level phthalic acid di-allyl ester moulding materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100962082A CN101572177B (en) | 2008-04-30 | 2008-04-30 | Network transformer as well as network module and electronic device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100962082A CN101572177B (en) | 2008-04-30 | 2008-04-30 | Network transformer as well as network module and electronic device using same |
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| Publication Number | Publication Date |
|---|---|
| CN101572177A CN101572177A (en) | 2009-11-04 |
| CN101572177B true CN101572177B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100962082A Active CN101572177B (en) | 2008-04-30 | 2008-04-30 | Network transformer as well as network module and electronic device using same |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021917A (en) * | 2014-06-25 | 2014-09-03 | 德阳致达精密电子有限公司 | Casing of network transformer |
| CN109698064B (en) * | 2019-01-08 | 2020-10-16 | 重庆华虹仪表有限公司 | Material injection mold for improving production efficiency of low-voltage transformer and application process thereof |
| CN112542307A (en) * | 2020-11-24 | 2021-03-23 | 鸿磬电子（东莞）有限公司 | Network transformer preparation method |
| CN112637089B (en) * | 2020-12-09 | 2023-03-21 | 锐捷网络股份有限公司 | Switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236164Y (en) * | 1995-09-22 | 1996-09-25 | 李学敏 | Thunder-proof transformer |
| CN1427428A (en) * | 2001-12-20 | 2003-07-02 | 王巨丰 | High efficiency lightning protection transformer |
| CN101004606A (en) * | 2006-12-20 | 2007-07-25 | 浙江大学 | Multiparameter measurement and control system for greenhouse based on embedded type technique |
| CN200947377Y (en) * | 2006-08-15 | 2007-09-12 | 孙从双 | Network transformer |
-
2008
- 2008-04-30 CN CN2008100962082A patent/CN101572177B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2236164Y (en) * | 1995-09-22 | 1996-09-25 | 李学敏 | Thunder-proof transformer |
| CN1427428A (en) * | 2001-12-20 | 2003-07-02 | 王巨丰 | High efficiency lightning protection transformer |
| CN200947377Y (en) * | 2006-08-15 | 2007-09-12 | 孙从双 | Network transformer |
| CN101004606A (en) * | 2006-12-20 | 2007-07-25 | 浙江大学 | Multiparameter measurement and control system for greenhouse based on embedded type technique |
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| CN101572177A (en) | 2009-11-04 |
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Effective date of registration: 20140116 Address after: Taipei City, Taiwan, China Patentee after: Pegatron Corporation Address before: Taipei City, Taiwan, China Patentee before: Pegatron Corporation |