CN101065005A - Electronic equipment having wiring mode for suppressing electromagnetic interference - Google Patents
Electronic equipment having wiring mode for suppressing electromagnetic interference Download PDFInfo
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- CN101065005A CN101065005A CN 200610035256 CN200610035256A CN101065005A CN 101065005 A CN101065005 A CN 101065005A CN 200610035256 CN200610035256 CN 200610035256 CN 200610035256 A CN200610035256 A CN 200610035256A CN 101065005 A CN101065005 A CN 101065005A
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- electronic equipment
- chassis
- electromagnetic interference
- motherboard
- communication module
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Abstract
The invention discloses electronic equipment which possesses wiring mode which can restrain electromagnetism interfere. The electronic equipment includes chassis, mainboard, electric power wire communication module, and power module and signal transmission wire. The mainboard, electric power wire communication module and signal transmission wire are distributed on the chassis. The mainboard is connected with the electric power wire communication module via the signal transmission wire, and connected with electric power wire network to transmit data via the electric power transmission wire. Thereinto, the signal transmission wire includes several insulated wires and shield material. The shield material covers surface of the insulated wires and grounds via chassis. Because the signal transmission wire is adhibited to the chassis, and shield material is distributed, so electromagnetism interfere generated by signal transmission wire can be restrained.
Description
Technical field
The invention relates to a kind of electronic equipment with the wire laying mode that suppresses electromagnetic interference, and particularly relevant for a kind of electronic equipment that reduces the electromagnetic interference of signal transmssion line.
Background technology
Electronic component can generate electromagnetic waves and disturb near the operation of other electron component in running, is called electromagnetic interference (Electromagnetic Interference, EMI) phenomenon.Along with the integrated level of electronic component is more and more higher, function is become stronger day by day, so the service speed of electronic component is also and then more and more faster, and frequency of operation is also more and more higher, makes to cause the electromagnetic interference phenomenon between electronic component more serious by electromagnetic intensity grow.Since the electromagnetic interference phenomenon can to arround electrical appliance exert an influence, severe patient even can cause harm on the safety, the effect that therefore nearly all country gets involved for the electromagnetism that electrical appliance produced all has quite strict regulation surely.So reducing the electromagnetic interference phenomenon all is a kind of very important problem for most electrical appliance producer.
Generally speaking, the electronic equipment of a low electromagnetic interference of desire design must be assessed being provided with of the setting of case material and structure, transmission line, I/O unit etc.With the intelligent household appliance is example, and intelligent household appliance makes motherboard and external world in it carry out exchanges data normally by a power line communication module, and is to come as this power line communication module bridge of motherboard communication therewith by a signal transmssion line.The power line communication module can produce electromagnetic noise, and above-mentioned signal transmssion line is one of path of noise transfer.Because this signal transmssion line does not generally have the design of electromagnetic wave shielding (shielding), and do not have fixing modes of emplacement, therefore be difficult to effectively isolate the noise that the power line communication module is produced.
Summary of the invention
In view of this, purpose of the present invention is providing a kind of electronic equipment exactly, and it has the wire laying mode that suppresses electromagnetic interference.
The invention provides a kind of electronic equipment with the wire laying mode that suppresses electromagnetic interference.This electronic equipment comprises chassis, motherboard, power line communication (Power Line Communication, PLC) module, power module and signal transmssion line.Motherboard is disposed on the chassis; The power line communication block configuration is on the chassis, and the connection power line network is to carry out exchanges data; Power module connection motherboard and power line communication module are to provide electric power; Signal transmssion line is disposed on the chassis and connects power line communication module and motherboard, to carry out exchanges data.Signal transmssion line comprises several insulated wires and shielding material.Shielding material covers the surface of these insulated conductors and connects the chassis with ground connection.
According to the described electronic equipment with the wire laying mode that suppresses electromagnetic interference of preferred embodiment of the present invention, wherein signal transmssion line is smooth on the chassis by adhesive tape.
Suppress the electronic equipment of the wire laying mode of electromagnetic interference according to described the having of preferred embodiment of the present invention, more comprise audio-visual broadcast unit, between power line communication module and motherboard, and be connected to carry out exchanges data with motherboard.Above-mentioned signal transmssion line is by between audio-visual broadcast unit and the chassis.
Suppress the electronic equipment of the wire laying mode of electromagnetic interference according to described the having of preferred embodiment of the present invention, more comprise optical pick-up unit, between power line communication module and motherboard, and be connected to carry out exchanges data with motherboard.
Suppress the electronic equipment of the wire laying mode of electromagnetic interference according to described the having of preferred embodiment of the present invention, more comprise high magnetic conductance member, it is online to be sheathed on the signal transmission, to absorb electromagnetic wave.
According to the described electronic equipment with the wire laying mode that suppresses electromagnetic interference of preferred embodiment of the present invention, wherein above-mentioned shielding material is a conductive fabric.
Because the present invention's signal transmssion line has conductive shielding material, cover the surface of these signal transmssion lines, so that the earth terminal of electromagnetic noise by the chassis derived, therefore can avoid suffering other the electromagnetic interference that high-frequency electronic element produced in the above-mentioned electronic equipment.In addition, owing to the smooth chassis of signal transmssion line and by between audio-visual broadcast unit and the chassis, therefore can be away from other high-frequency component in the electronic installation, to avoid electromagnetic interference problem.
Description of drawings
Fig. 1 is the schematic perspective view of the electronic equipment with the wire laying mode that suppresses electromagnetic interference of one embodiment of the invention.
Embodiment
The present invention is further detailed explanation below in conjunction with accompanying drawing.
Fig. 1 is the schematic perspective view of inside of the electronic equipment of having of one embodiment of the invention wire laying mode that suppresses electromagnetic interference.
Please refer to Fig. 1, the present invention's electronic equipment 100 for example is can be via a CD-ROM drive of network control.Electronic equipment 100 mainly comprises audio-visual broadcast unit 102, motherboard 104, power line communication module 106, power module 108, signal transmssion line 110.Audio-visual broadcast unit 102 is in order to read the data of data storing media such as CD, and it is disposed between motherboard 104 and the power line communication module 106, and is connected to carry out exchanges data with motherboard 104.In another embodiment, the present invention's electronic equipment 100 for example is can be via erasable equipment such as CD writer of network control or digital VTRs.The main difference of this erasable equipment and above-mentioned CD-ROM drive is that erasable equipment disposition has an optical pick-up unit, and to replace above-mentioned audio-visual broadcast unit 102, in addition, the structure of this CD writer and above-mentioned CD-ROM drive is roughly the same.
In addition, electronic equipment 100 of the present invention more comprises signal transmssion line 112, magnet ring 114, magnet ring 116 and plug 118.More than each member be to be disposed on one of this electronic equipment 100 chassis 119.A chassis 119 and a top cover (not illustrating) are capable of being combined and constitute a casing and be disposed at each member on the chassis 119 with protection.The material on chassis 119 generally is a metal, and integral body can be considered a complete ground plane, with each unit in the connection electronic equipment 100, and then gets rid of charges accumulated.
Below, the configuration mode and the function of each member of above-mentioned electronic equipment 100 are described item by item.
Please continue with reference to Fig. 1, power line communication module 106 is made of an electric power modem (Power Line Modem) and microcontroller (Microcontroller).Power line communication module 106 connects extraneous power line network in regular turn by plug 118.Power line communication module 106 utilizes above-mentioned electric power modem to handle and these data data of computing with the exchange of carrying out the data data and with above-mentioned microcontroller.Above-mentioned power line network comprises general controller switching equipment, also can be the LAN that is connected to arbitrary main frame, to accept the supply of data data and electric power.
In addition, power module 108 is via plug 118, and the external communication electric power (110V or 220V alternating current) that above-mentioned power line network is imported is converted to direct voltage, connects motherboard 104 again so that electric power to be provided.Plug 118 can insert in any one supply socket of family expenses, with as the interface of Network Transmission and the input of electric power.
The structure of signal transmssion line 110 and configuration mode are to disturb to reduce the signal that electromagnetic radiation was caused.Signal transmssion line 110 is disposed on the chassis 119, and connects power line communication module 106 and motherboard 104, carries out the media of exchanges data so that power line communication module 106 and motherboard 104 to be provided.Signal transmssion line 110 is made of several insulated wires and shielding material (not illustrating).Shielding material covers the surface of these insulated conductors and connects chassis 119, with effective shielded signal transmission line 110.Shielding material for example is a conductive fabric.
In addition, signal transmssion line 110 for example comes transmission signals with the shortest distance by adhesive tape (not illustrating) is smooth on chassis 119, increases the electromagnetic noise interference of being derived so can reduce the citation path.In addition, signal transmssion line 110 passes through between audio-visual broadcast unit 102 and the chassis 119, with other high-frequency component away from above-mentioned electronic equipment 100, and then the electromagnetic interference of 110 pairs of audio-visual broadcast units 102 of minimizing signal transmssion line.In addition, above-mentioned magnet ring 116 is sheathed on the signal transmssion line 110, to absorb or the inhibition low-frequency electromagnetic wave.Moreover connecting on the insulated conductor 126 of power line communication module 106 and socket 118 also can sheathed magnet ring 114, to obtain same effect.
In sum, because the many bar insulations lead in the present invention's the employed signal transmssion line of electronic installation The conductive shielding material of outer covering, and with this shielding material ground connection, therefore have splendid shield effectiveness. In addition, the smooth chassis of signal transmssion line and by between audio-visual broadcast unit and the chassis is with away from above-mentioned electricity Other high-frequency component in the sub-device, and then the electromagnetic interference of avoiding these high-frequency components to cause.
Claims (7)
1. electronic equipment with the wire laying mode that suppresses electromagnetic interference, this electronic equipment comprises:
One chassis;
One motherboard is disposed on this chassis;
One power line communication module is disposed on this chassis, and connects a power line network to carry out exchanges data;
One power module connects this motherboard and this power line communication module so that electric power to be provided; And
One signal transmssion line is disposed on this chassis and connects this power line communication module and this motherboard, and to carry out exchanges data, this signal transmssion line comprises:
Most insulated conductors; And
One shielding material covers the surface of those insulated conductors and connects this chassis with ground connection.
2. have the electronic equipment of the wire laying mode that suppresses electromagnetic interference according to claim 1, it is characterized in that: described signal transmssion line is smooth on this chassis by adhesive tape.
3. the electronic equipment that has the wire laying mode that suppresses electromagnetic interference according to claim 1, it is characterized in that: described electronic equipment more comprises an audio-visual broadcast unit, between this power line communication module and this motherboard, and be connected to carry out exchanges data with this motherboard.
4. as the electronic equipment with the wire laying mode that suppresses electromagnetic interference as described in the claim 3, it is characterized in that: described signal transmssion line is by between this audio-visual broadcast unit and this chassis.
5. the electronic equipment that has the wire laying mode that suppresses electromagnetic interference according to claim 1, it is characterized in that: described electronic equipment more comprises an optical pick-up unit, between this power line communication module and this motherboard, and be connected to carry out exchanges data with this motherboard.
6. have the electronic equipment of the wire laying mode that suppresses electromagnetic interference according to claim 1, it is characterized in that: described electronic equipment more comprises one in order to absorb electromagnetic high magnetic conductance member, is sheathed on this signal and transmits online.
7. have the electronic equipment of the wire laying mode that suppresses electromagnetic interference according to claim 1, it is characterized in that: described shielding material is a conductive fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610035256 CN101065005A (en) | 2006-04-28 | 2006-04-28 | Electronic equipment having wiring mode for suppressing electromagnetic interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610035256 CN101065005A (en) | 2006-04-28 | 2006-04-28 | Electronic equipment having wiring mode for suppressing electromagnetic interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101065005A true CN101065005A (en) | 2007-10-31 |
Family
ID=38965613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610035256 Pending CN101065005A (en) | 2006-04-28 | 2006-04-28 | Electronic equipment having wiring mode for suppressing electromagnetic interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101065005A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376938A (en) * | 2015-11-12 | 2016-03-02 | 惠州Tcl移动通信有限公司 | Communication device and circuit board module thereof |
| CN113239530A (en) * | 2021-04-28 | 2021-08-10 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
-
2006
- 2006-04-28 CN CN 200610035256 patent/CN101065005A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376938A (en) * | 2015-11-12 | 2016-03-02 | 惠州Tcl移动通信有限公司 | Communication device and circuit board module thereof |
| CN113239530A (en) * | 2021-04-28 | 2021-08-10 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
| CN113239530B (en) * | 2021-04-28 | 2022-06-28 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |