CN106488675A - A kind of server - Google Patents
A kind of server Download PDFInfo
- Publication number
- CN106488675A CN106488675A CN201610915863.0A CN201610915863A CN106488675A CN 106488675 A CN106488675 A CN 106488675A CN 201610915863 A CN201610915863 A CN 201610915863A CN 106488675 A CN106488675 A CN 106488675A
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- China
- Prior art keywords
- cabinet
- pcb
- ground plane
- holding wire
- handle
- Prior art date
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- 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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/023—Handles; Grips
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention provides a kind of server, including：Cabinet, handle, mainboard, signal transmssion line and USB interface；Wherein, mainboard is arranged in cabinet；USB interface is arranged in handle；Handle is fastenedly connected with the outer wall of cabinet；Mainboard includes the first signals layer and the first ground plane, and the first ground plane is connected with cabinet；USB interface includes connecting portion and printing board PCB, and wherein, PCB includes the second ground plane and secondary signal layer, and the second ground plane is connected with cabinet, and secondary signal layer is connected with connecting portion；Connecting portion is used for connecting external display device；Signal transmssion line includes holding wire and screen layer, and holding wire is arranged in screen layer；Holding wire connects the first signals layer of mainboard and the secondary signal layer of PCB respectively；Connection the first ground plane of mainboard and second ground plane of PCB respectively of screen layer.By technical scheme, it is possible to decrease the work mould interference that signal transmssion line radiate.
Description
Technical field
The present invention relates to server technology field, particularly to a kind of server.
Background technology
In the server, it is usually provided with VGA (Video Graphics Array, video graphics array) interface arrangement,
USB interface device can connect external display device, in order to save the inner space of the cabinet of server, it usually needs meet VGA
Mouth is arranged on outside cabinet.
At present, the cabinet material of server is usually conductive metal, and ground, can be outside shielding case
Electromagnetic interference, simultaneously so that the radiation that the function original paper being arranged on cabinet inside produces is shielded；USB interface is generally arranged at
In handle outside cabinet, after USB interface connects external display device, VGA signal then can be by the mainboard being arranged in cabinet
It is transferred to USB interface through signal transmssion line, external display device is forwarded to by USB interface；Simultaneously as the electricity of cabinet inside
Magnetic field is complex, and signal transmssion line generally includes holding wire, screen layer and three layers of insulating barrier, holding wire be arranged on shielding once and
So that screen layer and insulating barrier can carry out electromagnetic shielding to the VGA signal of signals layer transmission in insulating barrier, prevent cabinet inside multiple
The VGA signal of miscellaneous electromagnetic fields on both signal line transmission produces interference.
But, in order to attractive in appearance and cost-effective, the handle of cabinet is typically made of a plastic, and signal transmssion line connects respectively
During mainboard in USB interface and cabinet, the PCB of USB interface occurs that ground connection is hanging, and the screen layer of signal transmssion line produces single-termination
The situation on ground, and VGA signal is typically to simulate single-ended signal so that the stronger common mode of longer signal transmssion line generation is done
Disturb, and radiate by the External cable being connected with USB interface.
Content of the invention
Embodiments provide a kind of server system, can achieve that the common mode that reduction signal transmssion line radiate is done
Disturb.
In a first aspect, the invention provides a kind of server, including：
Cabinet, handle, mainboard, signal transmssion line and video graphics array USB interface；Wherein,
Described mainboard is arranged in described cabinet；
Described USB interface is arranged in described handle；
Described handle is fastenedly connected with the outer wall of described cabinet；
Described mainboard includes：First signals layer and the first ground plane, wherein, described first ground plane and described cabinet phase
Even；
Described USB interface, including：Connecting portion and printing board PCB, wherein, described PCB includes the second ground plane and
Binary signal layer；Described second ground plane is connected with described cabinet, and described secondary signal layer is connected with described connecting portion；Described connection
Portion is used for connecting external display device by external connection cable；
Described signal transmssion line includes：Holding wire and screen layer, wherein, described holding wire is arranged in described screen layer；
The first end of described holding wire connects the first signals layer of described mainboard, and the second end of described holding wire connects the of described PCB
Binary signal layer；The first end of described screen layer connects the first ground plane of described mainboard, and the second end of described screen layer connects institute
State second ground plane of PCB.
Preferably,
Described handle is made up of conductive metal material；
Between described handle and described cabinet, setting is structure as a whole；Or, being bolt between described handle and described cabinet
Connect.
Preferably,
Described handle includes plastic casing and electrically conductive shield；Wherein,
Described electrically conductive shield is arranged in described plastic casing；
Described PCB is arranged in described electrically conductive shield；
The ground connection screw that at least one is connected with second ground plane of described PCB, described conducting screen are provided with described PCB
Cover at least one first fixing threaded hole that corresponding at least one ground connection screw described is provided with cover, second ground connection of described PCB
Layer and described electrically conductive shield pass through described at least one ground connection screw, at least one first fixing threaded hole described and corresponding
At least one contact screw is attached.
Preferably,
At least one second fixing threaded hole is provided with described plastic casing, described cabinet is provided with corresponding described second
At least one of fixing threaded hole the 3rd fixing threaded hole, described plastic casing and described cabinet pass through at least one second fixation described
Screw, at least one the 3rd fixing threaded hole described and at least one fixing screws corresponding are attached, so that described conduction
Radome is contacted with each other with described cabinet.
Preferably,
Described connecting portion setting side relative with described cabinet on the pcb；
On described PCB, the side adjacent with described cabinet is provided with least one and is connected with second ground plane of described PCB
Ground connections, at least one ground connections described are connected with described cabinet.
Preferably,
Also include：Conducting foam；Wherein,
Described conducting foam is arranged between described PCB and described cabinet, connects at least one grounding connection described respectively
Part and described cabinet.
Preferably,
On described PCB, the side adjacent with described cabinet is provided with the holding wire being connected with the secondary signal layer of described PCB
Pad；
Second end of described holding wire is welded on described holding wire pad；
Also include：Seal；Wherein, cover on outside described seal on described holding wire pad.
Preferably, described signal transmssion line, further includes：Insulating barrier, wherein, described insulating barrier is wrapped in described shielding
On layer.
Preferably,
Described screen layer is parcel metal net shaped braiding structure on the signal line；Wherein,
Described metal net shaped braiding structure is made up of rose copper or tin-coated copper.
Embodiments provide a kind of server, in this server, tight with cabinet by being arranged on USB interface
In the handle being solidly connected, mainboard is installed in the chassis, and the first ground plane of mainboard is connected with cabinet, is directed to USB interface
PCB, its second ground plane is connected with cabinet, and the holding wire of signal transmssion line connects the first signals layer of mainboard and PCB respectively
Secondary signal layer, the screen layer of signal transmssion line connects the first ground plane and second ground plane of mainboard, respectively so, due to machine
Usually as the ground plane with ground, the two ends of screen layer are connected respectively to cabinet so that VGA signal is by the of mainboard to case
One signals layer transmits in USB interface during the secondary signal layer of PCB through holding wire, and the major part that holding wire and screen layer produce is altogether
Mould interference can import ground by cabinet so that VGA signal passes through the connecting portion of USB interface through right respectively by the two ends of screen layer
When the External cable that should connect transmits to external display device, the common mode disturbances being radiate by the connecting portion of USB interface are relatively
Little, can achieve and reduce the common mode disturbances that signal transmssion line radiate.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of server that one embodiment of the invention provides；
Fig. 2 is the mounting structure schematic diagram of handle in a kind of server that one embodiment of the invention provides；
Fig. 3 is the mounting structure schematic diagram of USB interface in a kind of server that one embodiment of the invention provides.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As shown in figure 1, embodiments providing a kind of server, including：
Cabinet 101, handle 102, mainboard 103, signal transmssion line 104 and USB interface 105；Wherein,
Described mainboard 103 is arranged in described cabinet 101；
Described USB interface 105 is arranged in described handle 102；
Described handle 102 is fastenedly connected with the outer wall of described cabinet 101；
Described mainboard 103 includes：First signals layer 1031 and the first ground plane 1032, wherein, described first ground plane
1031 are connected with described cabinet 101；
Described USB interface 105, including：Connecting portion 1051 and printing board PCB 1052, wherein, described PCB1052 bag
Include the second ground plane 10521 and secondary signal layer 10522；Described second ground plane 10521 is connected with described cabinet 101, described
Secondary signal layer 10522 is connected with described connecting portion 1051；Described connecting portion 1051 is used for outer by the connection of external connection cable
Portion's display device；
Described signal transmssion line 104 includes：Holding wire 1041 and screen layer 1042, wherein, described holding wire 1041 is arranged
In described screen layer 1042；The first end of described holding wire 1041 connects the first signals layer 1031 of described mainboard 103, described
Second end of holding wire 1041 connects the secondary signal layer 10522 of described PCB1052；The first end of described screen layer 1042 connects
First ground plane 1032 of described mainboard 103, the second end of described screen layer 1042 connects second ground plane of described PCB1052
10521.
In the above embodiment of the present invention, by being arranged on USB interface in the handle being fastenedly connected with cabinet, mainboard is installed
In the chassis, and the first ground plane of mainboard is connected with cabinet, it is directed to the PCB of USB interface, its second ground plane and cabinet phase
Even, the holding wire of signal transmssion line connects the first signals layer of mainboard and the secondary signal layer of PCB, the screen of signal transmssion line respectively
Cover the first ground plane and the second ground plane that layer connects mainboard respectively, so, due to cabinet usually as with the connecing of ground
Stratum, the two ends of screen layer be connected respectively to cabinet so that VGA signal by mainboard the first signals layer through holding wire transmit to
In USB interface during the secondary signal layer of PCB, most of common mode disturbances of holding wire and screen layer generation can be by the two ends of screen layer
Respectively ground is imported by cabinet so that VGA signal pass through the External cable through corresponding connection for the connecting portion of USB interface transmit to
During external display device, the common mode disturbances being radiate by the connecting portion of USB interface are less, can achieve and reduce signal transmssion line
The common mode disturbances radiateing.
In order to prevent the respective electronic original paper in the USB interface being arranged in handle from being disturbed by extraneous electromagnetic signals,
Avoid the electromagnetic signal that the USB interface in handle produces to disturb corresponding external electrical original paper, handle should possess accordingly simultaneously
Electro-magnetic screen function, that is, handle should possess conductive layer, and conductive layer should be overlapped with cabinet, specifically, the present invention
In one embodiment, described handle 102 is made up of conductive metal material；
Arrange between described handle 102 and described cabinet 101 and be structure as a whole；Or, described handle 102 and described cabinet
It is bolt connection between 101.
Further, in order to save the material cost of handle, as shown in Fig. 2 in one embodiment of the invention, described handle
102 include plastic casing 1021 and electrically conductive shield 1022；Wherein,
Described electrically conductive shield 1022 is arranged in described plastic casing 1021；
Described PCB1052 is arranged in described electrically conductive shield 1022；
The ground connection spiral shell that at least one is connected with second ground plane 10521 of described PCB1052 is provided with described PCB1052
Hole 10523, described electrically conductive shield 1022 is provided with least one ground connection screw 10523 corresponding described at least one first
Fixing threaded hole 10221, second ground plane 10521 of described PCB1052 and described electrically conductive shield 1022 pass through described at least one
Individual ground connection screw 10523, at least one first fixing threaded hole 10221 described and at least one contact screw 201 corresponding enter
Row connects.
In the above embodiment of the present invention, after processing plastic casing, copper facing or spray can be carried out on the inwall of housing
Bucket is processed to form electrically conductive shield, and the second ground plane due to PCB is connected with cabinet, second ground plane of PCB and described lead
Electric screen cover pass through described at least one ground connection screw, at least one first fixing threaded hole described and corresponding at least one lead
Electric screw is attached, so that electrically conductive shield and ground, carries out electromagnetic shielding to reach using electrically conductive shield
Effect.
It should be appreciated that handle is generally arranged at the both sides of the front panel of cabinet, it is connected with the side panel of cabinet, and machine
Case side panel is the metal with ground, and front panel is usually plastics, and handle adopts plastic casing, can with the front panel of cabinet
Using identical material, material cost is relatively low, and more attractive in appearance.
Further, in order to improve the effectiveness of electrically conductive shield further, as shown in Fig. 2 the present invention one
In embodiment, described plastic casing 1021 is provided with least one second fixing threaded hole 10211, described cabinet 101 is arranged
There is at least one the 3rd fixing threaded hole 1011 of corresponding described second fixing threaded hole 10211, described plastic casing 1021 and described
Cabinet 101 passes through at least one second fixing threaded hole 10211 described, at least one the 3rd fixing threaded hole 1011 described and corresponds to
Fixing screws 202 be attached, so that described electrically conductive shield 1022 is contacted with each other with described cabinet 101.
In the above embodiment of the present invention, connect cabinet by fixing screws and during handle so that conductive shield in handle
Cover is contacted with each other with cabinet, that is, realize, by the electrically conductive shield of handle and ground, improving the electricity of electrically conductive shield further
Magnetic Shielding Effectiveness.
Further, in order to realize connecting the ground plane of PCB and cabinet in USB interface, meanwhile, for convenience by outside with
The connection cables that external display device is connected are connected to USB interface, as shown in figure 3, in one embodiment of the invention, described connection
Portion 1051 is arranged on relative with described cabinet 101 side on described PCB1052；
On described PCB1052, the side adjacent with described cabinet 101 is provided with the second of at least one and described PCB1052
The ground connections 301 that ground plane 10521 is connected, at least one ground connections 301 described are connected with described cabinet 101.
Further, in order to ensure second ground plane of PCB and the connection effect of cabinet in USB interface, prevent USB interface
The ground plane of middle PCB is disconnected with the connection of cabinet, as shown in figure 3, in one embodiment of the invention, also including：Conductive bubble
Cotton 302；Wherein,
Described conducting foam 302 is arranged between described PCB1052 and described cabinet 101, respectively at least one described in connection
Individual ground connections 301 and described cabinet 101.
In the above embodiment of the present invention, conducting foam possesses certain ductility and retractility in itself, can be by being in
The conductive bubble face of compressive state is placed between the PCB of USB interface and cabinet, and the connection to handle and cabinet is fixed it
Afterwards, the conductive bubble face tension force of itself can make its respectively with cabinet and PCB at least one ground connections be fully contacted it is ensured that
Second ground plane of USB interface can be by conducting foam holding its connection status continual and steady with cabinet.
Further, due to PCB be connected with holding wire when, it usually needs exposed deposited copper region is arranged on PCB, that is, welds
Disk so that holding wire can be soldered on pad, now, in order to ensure the pad for welding signal line will not be with conductive bubble face
Contact it is ensured that the VGA signal of holding wire transmission can completely by the connecting portion of the secondary signal layer arrival USB interface of PCB simultaneously
Transfer out, as shown in figure 3, in one embodiment of the invention, on described PCB1052, the side adjacent with described cabinet 101 sets
It is equipped with the holding wire pad 303 being connected with the secondary signal layer 10522 of described PCB1052；
Second end of described holding wire 1041 is welded on described holding wire pad 303；
Also include：Seal 304；Wherein, cover on described holding wire pad 303 outside described seal 304.
Further, because handle is arranged on the outer wall of cabinet, mainboard is arranged in cabinet, needs using longer letter
Number transmission line needs through cabinet realizing mainboard in the USB interface and cabinet in handle for the connect setting, signal transmssion line
Interior complex electromagnetic environment, in order to avoid the screen layer of holding wire contacts so that machine with other electronic original parts in cabinet
Respective electronic original paper in case is short-circuited, and the phenomenon damaged, in one embodiment of the invention, described signal transmssion line occur
104, further include：Insulating barrier (not shown in accompanying drawing), wherein, described insulating barrier is wrapped on described screen layer 1042.
Specifically, in one embodiment of the invention, described screen layer 4042 is the gold being wrapped on described holding wire 4041
Belong to netted braiding structure；Wherein,
Described metal net shaped braiding structure is made up of rose copper or tin-coated copper.
In sum, each embodiment of the present invention at least has the advantages that：
1st, in one embodiment of the invention, by being arranged on USB interface in the handle being fastenedly connected with cabinet, mainboard is installed
In the chassis, and the first ground plane of mainboard is connected with cabinet, it is directed to the PCB of USB interface, its second ground plane and cabinet phase
Even, the holding wire of signal transmssion line connects the first signals layer of mainboard and the secondary signal layer of PCB, the screen of signal transmssion line respectively
Cover the first ground plane and the second ground plane that layer connects mainboard respectively, so, due to cabinet usually as with the connecing of ground
Stratum, the two ends of screen layer be connected respectively to cabinet so that VGA signal by mainboard the first signals layer through holding wire transmit to
In USB interface during the secondary signal layer of PCB, most of common mode disturbances of holding wire and screen layer generation can be by the two ends of screen layer
Respectively ground is imported by cabinet so that VGA signal pass through the External cable through corresponding connection for the connecting portion of USB interface transmit to
During external display device, the common mode disturbances being radiate by the connecting portion of USB interface are less, can achieve and reduce signal transmssion line
The common mode disturbances radiateing.
2nd, in one embodiment of the invention, by arranging conductive layer on handle, and conductive layer is connected so that handle with cabinet
Handss possess corresponding electro-magnetic screen function, prevent the respective electronic original paper in the USB interface being arranged in handle to be subject to external electrical
The interference of magnetic signal, avoids the electromagnetic signal that the USB interface in handle produces to disturb corresponding external electrical original paper simultaneously.
3rd, in one embodiment of the invention, by the housing of plastic production handle, pass through copper facing in the plastic casing made
Or the form of spray copper forms conductive shielding layer so that on the premise of handle possesses corresponding electro-magnetic screen function, being compared to directly make
For directly making handle with metals such as ferrum or copper, material cost can be saved；Simultaneously as handle is generally arranged at before cabinet
Two sides of plate, on the side panel of cabinet, and the front panel of cabinet is usually plastics, used here as the front panel phase with cabinet
Same material makes the plastic casing of handle, more attractive in appearance.
4th, in one embodiment of the invention, by adjacent with cabinet setting on PCB, at least one connects with the second of PCB
The ground connections that stratum is connected, and the holding wire pad that setting is connected with the secondary signal layer of PCB is with welding signal line, logical
Cross and cover on outside seal on holding wire pad；On the one hand, it is in the conduction of compressive state by setting between PCB and cabinet
Foam, be in compressive state conducting foam itself produce tension force can make its respectively with cabinet and PCB at least one connect
Earth connection be fully contacted it is ensured that USB interface the second ground plane can by the conducting foam holding continual and steady with cabinet its
Connection status it is ensured that in USB interface second ground plane of PCB and cabinet connection effect；On the other hand, cover on outside seal
On holding wire pad it is ensured that for welding signal line pad will not contact with conductive bubble face it is ensured that holding wire transmission VGA
Signal completely can reach the connecting portion of USB interface by the secondary signal layer of PCB and transfer out.
5th, in one embodiment of the invention, in the outside setting insulating barrier of screen layer, signal transmssion line passes through in cabinet relatively
During for complicated electromagnetic environment, the screen layer of holding wire can be avoided to contact with other electronic original parts in cabinet so that in cabinet
Respective electronic original paper be short-circuited, and occur damage phenomenon.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation is made a distinction with another entity or operation, and not necessarily requires or imply exist between these entities or operation
Any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant are intended to non-
The comprising of exclusiveness, so that including a series of process of key elements, method, article or equipment not only include those key elements,
But also include other key elements being not expressly set out, or also include being consolidated by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element being limited by sentence " including a 〃 ", does not arrange
Remove and also there is other same factor in the process including described key element, method, article or equipment.
Last it should be noted that：The foregoing is only presently preferred embodiments of the present invention, be merely to illustrate the skill of the present invention
Art scheme, is not intended to limit protection scope of the present invention.All any modifications made within the spirit and principles in the present invention,
Equivalent, improvement etc., are all contained in protection scope of the present invention.
Claims (9)
1. a kind of server is it is characterised in that include：
Cabinet, handle, mainboard, signal transmssion line and video graphics array USB interface；Wherein,
Described mainboard is arranged in described cabinet；
Described USB interface is arranged in described handle；
Described handle is fastenedly connected with the outer wall of described cabinet；
Described mainboard includes：First signals layer and the first ground plane, wherein, described first ground plane is connected with described cabinet；
Described USB interface, including：Connecting portion and printing board PCB, wherein, described PCB includes the second ground plane and the second letter
Number floor；Described second ground plane is connected with described cabinet, and described secondary signal layer is connected with described connecting portion；Described connecting portion is used
In by external connection cable connection external display device；
Described signal transmssion line includes：Holding wire and screen layer, wherein, described holding wire is arranged in described screen layer；Described
The first end of holding wire connects the first signals layer of described mainboard, and the second end of described holding wire connects second letter of described PCB
Number floor；The first end of described screen layer connects the first ground plane of described mainboard, and the second end of described screen layer connects described PCB
The second ground plane.
2. server according to claim 1 it is characterised in that
Described handle is made up of conductive metal material；
Between described handle and described cabinet, setting is structure as a whole；Or, being bolt connection between described handle and described cabinet.
3. server according to claim 1 it is characterised in that
Described handle includes plastic casing and electrically conductive shield；Wherein,
Described electrically conductive shield is arranged in described plastic casing；
Described PCB is arranged in described electrically conductive shield；
The ground connection screw that at least one is connected with second ground plane of described PCB, described electrically conductive shield are provided with described PCB
On be provided with least one first fixing threaded hole of at least one ground connection screw corresponding described, second ground plane of described PCB and
Described electrically conductive shield pass through described at least one ground connection screw, at least one first fixing threaded hole described and corresponding at least
One contact screw is attached.
4. server according to claim 3 it is characterised in that
At least one second fixing threaded hole is provided with described plastic casing, described cabinet is provided with correspondence described second and fixes
At least one of screw the 3rd fixing threaded hole, described plastic casing and described cabinet pass through at least one second fixing spiral shell described
Hole, at least one the 3rd fixing threaded hole described and at least one fixing screws corresponding are attached, so that described conducting screen
Cover cover to contact with each other with described cabinet.
5. server according to claim 1 it is characterised in that
Described connecting portion setting side relative with described cabinet on the pcb；
On described PCB, the side adjacent with described cabinet is provided with least one and connecing that second ground plane of described PCB is connected
Earth connection, at least one ground connections described are connected with described cabinet.
6. server according to claim 5 it is characterised in that
Also include：Conducting foam；Wherein,
Described conducting foam is arranged between described PCB and described cabinet, connect respectively at least one ground connections described and
Described cabinet.
7. server according to claim 6 it is characterised in that
On described PCB, the side adjacent with described cabinet is provided with the holding wire pad being connected with the secondary signal layer of described PCB；
Second end of described holding wire is welded on described holding wire pad；
Also include：Seal；Wherein, cover on outside described seal on described holding wire pad.
8. server according to claim 1, it is characterised in that described signal transmssion line, further includes：Insulating barrier,
Wherein, described insulating barrier is wrapped on described screen layer.
9. according to described server arbitrary in claim 1 to 8 it is characterised in that
Described screen layer is parcel metal net shaped braiding structure on the signal line；Wherein,
Described metal net shaped braiding structure is made up of rose copper or tin-coated copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915863.0A CN106488675B (en) | 2016-10-20 | 2016-10-20 | A kind of server |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915863.0A CN106488675B (en) | 2016-10-20 | 2016-10-20 | A kind of server |
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| CN106488675A true CN106488675A (en) | 2017-03-08 |
| CN106488675B CN106488675B (en) | 2019-03-12 |
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Cited By (7)
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| CN107635389A (en) * | 2017-09-12 | 2018-01-26 | 郑州云海信息技术有限公司 | A kind of machine box for server, server that can reduce radiation |
| CN108966558A (en) * | 2018-08-23 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of Low emissivity mounting structure of the preposition cable of server |
| CN109542819A (en) * | 2018-11-26 | 2019-03-29 | 郑州云海信息技术有限公司 | A kind of preposition I/O port of server and the implementation method for improving EMC performance |
| CN110502078A (en) * | 2019-08-16 | 2019-11-26 | 广东浪潮大数据研究有限公司 | A kind of machine box for server and its grounded continuous holding structure of hardware |
| CN114096057A (en) * | 2021-10-27 | 2022-02-25 | 中信科移动通信技术股份有限公司 | Multilayer laminated PCB board |
| CN114567963A (en) * | 2020-11-27 | 2022-05-31 | 中车时代电动汽车股份有限公司 | Motor controller control board and grounding method thereof |
| WO2024021866A1 (en) * | 2022-07-29 | 2024-02-01 | 华为技术有限公司 | Transmission line assembly, printed circuit board assembly and electronic device |
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| CN107635389A (en) * | 2017-09-12 | 2018-01-26 | 郑州云海信息技术有限公司 | A kind of machine box for server, server that can reduce radiation |
| CN107635389B (en) * | 2017-09-12 | 2020-01-14 | 苏州浪潮智能科技有限公司 | Server case capable of reducing radiation and server |
| CN108966558A (en) * | 2018-08-23 | 2018-12-07 | 郑州云海信息技术有限公司 | A kind of Low emissivity mounting structure of the preposition cable of server |
| CN108966558B (en) * | 2018-08-23 | 2020-09-18 | 苏州浪潮智能科技有限公司 | Low-radiation installation structure of front cable of server |
| CN109542819A (en) * | 2018-11-26 | 2019-03-29 | 郑州云海信息技术有限公司 | A kind of preposition I/O port of server and the implementation method for improving EMC performance |
| CN110502078A (en) * | 2019-08-16 | 2019-11-26 | 广东浪潮大数据研究有限公司 | A kind of machine box for server and its grounded continuous holding structure of hardware |
| CN114567963A (en) * | 2020-11-27 | 2022-05-31 | 中车时代电动汽车股份有限公司 | Motor controller control board and grounding method thereof |
| CN114096057A (en) * | 2021-10-27 | 2022-02-25 | 中信科移动通信技术股份有限公司 | Multilayer laminated PCB board |
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| WO2024021866A1 (en) * | 2022-07-29 | 2024-02-01 | 华为技术有限公司 | Transmission line assembly, printed circuit board assembly and electronic device |
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