CN105377006B - A kind of machine table with electro-magnetic screen function - Google Patents
A kind of machine table with electro-magnetic screen function Download PDFInfo
- Publication number
- CN105377006B CN105377006B CN201510924607.3A CN201510924607A CN105377006B CN 105377006 B CN105377006 B CN 105377006B CN 201510924607 A CN201510924607 A CN 201510924607A CN 105377006 B CN105377006 B CN 105377006B
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- China
- Prior art keywords
- case body
- signal
- shielding case
- shielded
- power
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0009—Casings with provisions to reduce EMI leakage through the joining parts
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention provides a kind of machine table with electro-magnetic screen function, which includes the shielding case body for placing the first interactive device, the shielded power supply circuit of the power connection inside the second interactive device and shielding case body for being connected to outside the shielding case body；The shielded signal circuit of the second interactive device outside the first interactive device and shielding case body for being connected to inside shielding case body；It is provided with power filter device on the shielded power supply circuit；It is provided with signal filter on the shielded signal circuit.When being shielded to desktop computer using the machine table, as long as host computer is installed in the shielding case body of machine table, and using the shielded power supply circuit and low radiation monitor is connected to power supply respectively for shielded signal circuit and host computer can shield display, that is, the screening arrangement of display need not be additionally set again, it can realize the signal shielding to entire desktop computer, it is greatly saved the usage amount of shielding material, saves resource.
Description
Technical field
The invention belongs to electromangnetic spectrum field more particularly to a kind of machine tables with electro-magnetic screen function.
Background technology
Currently, in the machine table Related product shielded to computer, in order to reach preferable shield effectiveness, it will usually outside
Installation filter at port is connect, and for desktop computer, in order to also there is preferable shield effectiveness to display part, usually to aobvious
Show that device part can also use shielding design, in this way, shielding cost can be increased, results in waste of resources.
So the existing machine table for desktop computer shielding is increased due to needing individually to be shielded to display
The consumption of shielding material causes the waste of resource.
Invention content
In view of this, it is an object of the invention to propose a kind of machine table with electro-magnetic screen function, it is existing to solve
For desktop computer shielding machine table increase the consumption of shielding material due to the shielding to display, result in waste of resources
The problem of.In order to the embodiment to disclosure some aspects there are one basic understanding, simple summary is shown below.This is general
It is not extensive overview to include part, nor to determine key/critical component or describe the protection domain of these embodiments.Its
Sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
In some optional embodiments, which includes：Shielding case body for placing the first interactive device, for connecting
Lead to inside second interactive device and shielding case body with the first interactive device with signal interaction outside the shielding case body
The shielded power supply circuit of power connection；Second outside the first interactive device and shielding case body for being connected to inside shielding case body
The shielded signal circuit of interactive device；It is provided with power filter device on the shielded power supply circuit；The shielded signal circuit
On be provided with signal filter.
In some optional embodiments, the shielded power supply circuit of the machine table includes：It is set to interior inside shielding case body
Portion's shielded power supply line, the exterior shield power cord being set to outside the shielding case body and the connection internal shield power cord
With the intermediate power supplies connector of the exterior shield power cord.
In some optional embodiments, the shielded signal circuit of the machine table includes：It is set to interior inside shielding case body
Portion's shielded signal line, the exterior shield signal wire being set to outside the shielding case body and the connection internal shield signal wire
With the M signal connector of the exterior shield signal wire.
In some optional embodiments, shielded power supply circuit mounting hole and shielding are offered on the shielding case body of the machine table
Signal line mounting hole；Intermediate power supplies connector is installed in the shielded power supply circuit mounting hole, and M signal connector is installed on
In the shielded signal circuit mounting hole.
In some optional embodiments, the power filter device of the machine table, which is installed in intermediate power supplies connector, is located at shielding
One end in babinet；Signal filter is installed on the one end being located in M signal connector in shielding case body.
In some optional embodiments, the power filter device of the machine table, which is installed in intermediate power supplies connector, is located at shielding
One end outside babinet；Signal filter is installed on the one end being located in M signal connector outside shielding case body.
In some optional embodiments, the end set of the exterior shield power cord of the machine table is useful for connection second and hands over
The equipment power connection of mutual equipment；The end set of exterior shield signal wire is useful for the device signal of the second interactive device of connection
Connector.
In some optional embodiments, the power filter device of the machine table is installed in equipment power connection；Signal is filtered
Wave apparatus is installed in device signal connector.
In some optional embodiments, the bottom of the shielding case body of the machine table is provided with lower waveguide window；The shielded box
The side wall of body is provided with rear waveguide window；After described fan is provided on waveguide window.
In some optional embodiments, it is additionally provided in the shielding case body of the machine table at least one for being interacted to first
The traffic filter and at least one electricity for being shielded to the power supply of the first interactive device that the signal of equipment is shielded
Source filter.
Compared with prior art, beneficial effects of the present invention are：
The present invention provides a kind of machine table with electro-magnetic screen function, is provided in the machine table for being connected to machine table shielded box
The second interactive device outside body and the shielded power supply circuit of the power connection inside shielding case body with for being connected to shielding case body
The shielded signal circuit of the second interactive device outside internal the first interactive device and shielding case body, and the shielded power supply line
Road is provided with power filter device, and signal filter is provided on shielded signal circuit, when in use, as long as first is handed over
Mutual equipment is installed in the shielding case body of machine table, and using the shielded power supply circuit and shielded signal circuit respectively by Low emissivity the
Two interactive devices are connected to power supply and the first interactive device and can be shielded to the second interactive device, that is, need not be additional again
The screening arrangement of second interactive device is set, so that it may to realize to the signal shielding of entire desktop computer, be greatly saved screen
The usage amount for covering material, saves resource.
For above-mentioned and relevant purpose, one or more embodiments include being particularly described below and in claim
In the feature that particularly points out.Certain illustrative aspects are described in detail in the following description and the annexed drawings, and its instruction is only
Some modes in the utilizable various modes of principle of each embodiment.Other benefits and novel features will be under
The detailed description in face is considered in conjunction with the accompanying and becomes apparent, the disclosed embodiments be all such aspects to be included and they
Be equal.
Description of the drawings
Fig. 1 is the structural schematic diagram of the machine table with electro-magnetic screen function of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the machine table with electro-magnetic screen function of the embodiment of the present invention.
Specific implementation mode
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and
And the sequence of operation can change.The part of some embodiments and feature can be included in or replace other embodiments
Part and feature.The range of embodiment of the present invention includes the entire scope of claims and the institute of claims
There is obtainable equivalent.Herein, these embodiments of the invention can individually or generally be used term " invention "
It indicates, this, if in fact disclosing the invention more than one, is not meant to automatically limit this just for the sake of convenient
The ranging from any single invention or inventive concept of application.
It is illustrated presently in connection with attached drawing, Fig. 1, which is shown, has electro-magnetic screen function in some optional embodiments
The structure chart of machine table；Fig. 2 shows be in some optional embodiments with electro-magnetic screen function machine table structure chart.
As depicted in figs. 1 and 2, in some optional embodiments, a kind of machine table with electro-magnetic screen function is disclosed,
The machine table includes：Shielding case body 1 for placing the first interactive device, for be connected to outside the shielding case body 1 with first
Interactive device has the shielded power supply circuit 3 of the second interactive device 2 and the power connection inside shielding case body 1 of signal interaction；
The shielded signal line of the second interactive device 2 outside the first interactive device and shielding case body 1 for being connected to inside shielding case body 1
Road 4；It is provided with power filter device 5 on the shielded power supply circuit 3；Signal filtering is provided on the shielded signal circuit 4
Device 6.After filter is respectively set on shielded power supply circuit 3 and shielded signal circuit 4, in use machine table to desktop computer
When being shielded, need not additional screening arrangement be set in the external of display 2 again, you can realize the shielding to display 2,
It is greatly saved the usage amount of shielding material, saves resource, applicability is more preferable.Meanwhile the machine table can be used for faxing
Machine, printer and phone etc. have in the electromagnetic shielding of the equipment of signal transmission interactive function.
Further, shielded power supply circuit 3 includes：It is set to the internal shield power cord inside shielding case body 1, is set to institute
It states the exterior shield power cord 7 outside shielding case body 1 and is connected to the internal shield power cord and the exterior shield power supply
The intermediate power supplies connector 8 of line 7.Shielded signal circuit 4 includes：It is set to the internal shield signal wire inside shielding case body 1, is arranged
Exterior shield signal wire 9 and the connection internal shield signal wire outside the shielding case body 1 and the exterior shield
The M signal connector 10 of signal wire 9.
In some optional embodiments, 11 He of shielded power supply circuit mounting hole is offered on the shielding case body 1 of the machine table
Shielded signal circuit mounting hole 12；Intermediate power supplies connector 8 is installed in the shielded power supply circuit mounting hole 11, and M signal connects
First 10 are installed in the shielded signal circuit mounting hole 12.Intermediate power supplies connector 8 is installed on shielded power supply circuit mounting hole
It is installed in shielded signal circuit mounting hole 12 with by M signal connector 10 in 11, it can be to avoid intermediate power supplies connector 8 in
Between Signal connector 10 it is exposed in the outside of shielding case body 1, there is the case where wearing or damaging, protect intermediate power supplies to connect well
First 8 and M signal connector 10, the service life both extended reduces energy waste.
In some optional embodiments, the power filter device 5 of the machine table, which is installed in intermediate power supplies connector 8, is located at screen
Cover one end in babinet 1；Signal filter 6 is installed on the one end being located in M signal connector 10 in shielding case body 1.
In some optional embodiments, the power filter device 5 of the machine table, which is installed in intermediate power supplies connector 8, is located at screen
Cover one end outside babinet 1；Signal filter 6 is installed on the one end being located in M signal connector 10 outside shielding case body 1.
Power filter device 5 is installed in intermediate power supplies connector 8, signal filter 6, which is installed on M signal, to be connect
After in first 10, radiation leakage caused by amplifying due to signal in circuit can be masked, is equivalent to and is set on the second interactive device 2
Screening arrangement has been set, the signals leakiness between the second interactive device 2 and the first interactive device has effectively been avoided, has reached shielding
The purpose of second interactive device 2.
In some optional embodiments, the end set of the exterior shield power cord 7 of the machine table is useful for connection second
The equipment power connection 13 of interactive device 2；The end set of exterior shield signal wire 9 is useful for the second interactive device 2 of connection
Device signal connector 14.
In some optional embodiments, the power filter device 5 of the machine table is installed in equipment power connection 13；Signal
Filter 6 is installed in device signal connector 14.Power filter device 5 is installed in equipment power connection 13, by signal
Filter 6 is installed in device signal connector 14, can equally be masked radiation caused by amplifying due to signal in circuit and be let out
Leakage is equivalent on the second interactive device 2 and is provided with screening arrangement, effectively avoids the second interactive device 2 and interacted with first
Signals leakiness between equipment has achieved the purpose that shield the second interactive device 2, also, power filter device 5 is installed on and is set
In stand-by power source connector 13, signal filter 6 is installed in device signal connector 14, filter can be with the screen of maximal efficiency
Radiation leakage caused by signal amplification in going offline road is covered, shield effectiveness is more preferably.
In some optional embodiments, the bottom of the shielding case body 1 of the machine table is provided with lower waveguide window 15；The shielding
The side wall of babinet 1 is provided with rear waveguide window 16；Fan 17,17 vectoring aircraft table week of the fan are provided with after described on waveguide window 16
Wind in collarette border enters from the lower waveguide window 15 of the shielding case body 1, after the inside of the shielding case body 1 circulates,
It flows out from the rear waveguide window 16 of the shielding case body 1, in the process, is set into the interaction of wind pair first inside shielding case body 1
Standby and 1 inside of shielding case body is radiated, and realizes the purpose to 1 internal cooling of the first interactive device and shielding case body, very
Good first interactive device that protects is not burned out, and extends the service life of equipment, applicability is more preferably.
In some optional embodiments, it is additionally provided in the shielding case body 1 of the machine table at least one for handing over first
Traffic filter 18 that the signal of mutual equipment is shielded and at least one for being shielded to the power supply of the first interactive device
Power-supply filter 19.The information energy of first interactive device first by the power-supply filter 19 and traffic filter 18 into
Row filters, shields and is isolated, and is believed later with shielding is set to by the power filter device 5 being set in shielded power supply circuit 3
Signal filter 6 in number circuit 4 carries out filtering, shielding and isolation again, after filtering, shielding and being isolated twice,
The leakage of information energy is substantially eliminated, after testing, for shield effectiveness up to highest security requirements, shield effectiveness is more preferable.
The second interactive device and shielding case body for being connected to outside machine table shielding case body are provided in the machine table of the present invention
The shielded power supply circuit of internal power connection with for being connected to outside the first interactive device and the shielding case body inside shielding case body
The shielded signal circuit of second interactive device in portion, and power filter device is provided on the shielded power supply circuit, shielding letter
It is provided with signal filter on number circuit, when in use, as long as the first interactive device is installed in the shielding case body of machine table,
And the second interactive device of Low emissivity is connected to respectively by power supply and first using the shielded power supply circuit and shielded signal circuit and is handed over
Mutual equipment can shield the second interactive device, that is, the screening arrangement of the second interactive device need not additionally be arranged again,
It can realize the signal shielding to entire desktop computer, be greatly saved the usage amount of shielding material, save resource.
In short, example the above is only the implementation of the present invention, is merely to illustrate the principle of the present invention, it is not intended to limit this
The protection domain of invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on, should all
It is included within protection scope of the present invention.
Claims (5)
1. a kind of machine table with electro-magnetic screen function, includes the shielding case body for placing the first interactive device, feature exists
In further including：Second interactive device with the first interactive device with signal interaction for being connected to outside the shielding case body
With the shielded power supply circuit of the power connection inside shielding case body；The first interactive device and screen for being connected to inside shielding case body
Cover the shielded signal circuit of the second interactive device outside babinet；
Wherein, the shielded power supply circuit includes：It is set to the internal shield power cord inside the shielding case body, is set to institute
It states the exterior shield power cord outside shielding case body and is connected to the internal shield power cord and the exterior shield power cord
Intermediate power supplies connector；
The shielded signal circuit includes：It is set to the internal shield signal wire inside the shielding case body, is set to the screen
It covers the exterior shield signal wire outside babinet and is connected in the internal shield signal wire and the exterior shield signal wire
Between Signal connector；
Shielded power supply circuit mounting hole and shielded signal circuit mounting hole are offered on the shielding case body；The intermediate power supplies connect
Head is installed in the shielded power supply circuit mounting hole, and the M signal connector is installed on the shielded signal circuit mounting hole
In；
It is provided with power filter device on the shielded power supply circuit, signal filtering dress is provided on the shielded signal circuit
It sets, specially：
The power filter device is installed on the one end being located in the intermediate power supplies connector in the shielding case body, the signal
Filter is installed on the one end being located in the M signal connector in the shielding case body；Alternatively, the power filter dress
The one end for being installed on and being located in the intermediate power supplies connector outside the shielding case body is set, the signal filter is installed on described
It is located at one end outside the shielding case body in M signal connector.
2. machine table according to claim 1, which is characterized in that the end set of the exterior shield power cord is useful for connecting
Connect the equipment power connection of the second interactive device；The end set of the exterior shield signal wire is useful for the second interaction of connection and sets
Standby device signal connector.
3. machine table according to claim 2, which is characterized in that the power filter device is installed on the equipment power supply and connects
In head；The signal filter is installed in the device signal connector.
4. machine table according to claim 1, which is characterized in that the bottom of the shielding case body is provided with lower waveguide window；Institute
The side wall for stating shielding case body is provided with rear waveguide window；After described fan is provided on waveguide window.
5. machine table according to claim 1, which is characterized in that be additionally provided in the shielding case body it is at least one for pair
The traffic filter and at least one power supply for the first interactive device that the signal of first interactive device is shielded carry out
The power-supply filter of shielding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924607.3A CN105377006B (en) | 2015-12-14 | 2015-12-14 | A kind of machine table with electro-magnetic screen function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924607.3A CN105377006B (en) | 2015-12-14 | 2015-12-14 | A kind of machine table with electro-magnetic screen function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105377006A CN105377006A (en) | 2016-03-02 |
| CN105377006B true CN105377006B (en) | 2018-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510924607.3A Active CN105377006B (en) | 2015-12-14 | 2015-12-14 | A kind of machine table with electro-magnetic screen function |
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| Country | Link |
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| CN (1) | CN105377006B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265844A (en) * | 2016-12-30 | 2018-07-10 | 孙麓轩 | Panel joining structure, building, electromagnetic armouring structure and shielding cabin |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596854Y (en) * | 2003-01-29 | 2004-01-07 | 常州雷宁电磁屏蔽设备有限公司 | Computer shielding desk |
| CN103298284A (en) * | 2013-06-19 | 2013-09-11 | 中国人民解放军总参谋部工程兵科研三所 | Electromagnetic shielding machine case |
| CN204571736U (en) * | 2015-03-31 | 2015-08-19 | 安方高科电磁安全技术(北京)有限公司 | Electromagnetic radiation protection cabinet and electromagnetic radiation protection machine table |
| CN205305337U (en) * | 2015-12-14 | 2016-06-08 | 安方高科电磁安全技术(北京)有限公司 | Machine table with electromagnetic shielding function |
-
2015
- 2015-12-14 CN CN201510924607.3A patent/CN105377006B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2596854Y (en) * | 2003-01-29 | 2004-01-07 | 常州雷宁电磁屏蔽设备有限公司 | Computer shielding desk |
| CN103298284A (en) * | 2013-06-19 | 2013-09-11 | 中国人民解放军总参谋部工程兵科研三所 | Electromagnetic shielding machine case |
| CN204571736U (en) * | 2015-03-31 | 2015-08-19 | 安方高科电磁安全技术(北京)有限公司 | Electromagnetic radiation protection cabinet and electromagnetic radiation protection machine table |
| CN205305337U (en) * | 2015-12-14 | 2016-06-08 | 安方高科电磁安全技术(北京)有限公司 | Machine table with electromagnetic shielding function |
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| Publication number | Publication date |
|---|---|
| CN105377006A (en) | 2016-03-02 |
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