CN101304543A - Two-sided insertion backboard - Google Patents
Two-sided insertion backboard Download PDFInfo
- Publication number
- CN101304543A CN101304543A CN 200810067875 CN200810067875A CN101304543A CN 101304543 A CN101304543 A CN 101304543A CN 200810067875 CN200810067875 CN 200810067875 CN 200810067875 A CN200810067875 A CN 200810067875A CN 101304543 A CN101304543 A CN 101304543A
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- China
- Prior art keywords
- pin
- backboard
- board slot
- electrical contact
- face
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/08—Frames or mounting racks for relays; Accessories therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/15—Backplane arrangements
- H04Q1/155—Backplane arrangements characterised by connection features
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The embodiment of the invention discloses a double-side inserted backboard, comprising a middle backboard and trench connectors of a front and a back single boards. The front end face of the middle backboard is provided with a first pin and a second pin; the back end face is provided with a third pin; the trench connector of a front single board is provided with a first electric contact pin and a second electric contact pin, the first electric contact pin is inserted inside the middle backboard from the first pin, and the second electric contact pin is inserted inside the middle backboard from the second pin; the trench connector of a back single board is provided with a third electric contact pin which is inserted inside the middle backboard from the third pin; the third pin is positioned at the connecting segment of the first pin and the second pin, and the connecting segment faces the segment of the back end face of the middle backboard. Therefore, the trench connector of a front single board and the trench connector of a back single board of the double-side inserted backboard can be partially or fully overlapped at the same lengthwise position of the middle backboard. The trench connector of single boards in the double-side inserted backboard can be densely arranged, thereby improving the structure space utilization rate of double-side inserted backboards.
Description
Technical field
The present invention relates to the backplane technology of communication equipment, relate in particular to double-sided inserted backplane.
Background technology
The general trend of next generation network development must be increasing rapidly of bandwidth and improving constantly of speed.The exchange capacity of convergence-level and these Centroids of backbone layer also will inevitably be with the speed increment of tens～hundred times, carrying efficiently comprises the integral telecommunication business of data, speech, image, fax and various intelligence and value-added service, and realizes the seamless link and the professional fusion of miscellaneous service network.At this moment, the development of communication apparatus will face a huge problem: the increase of veneer quantity, veneer access service capacity increase, the raising of network board capacity is all had higher requirement to the design of backboard, need backboard that bigger operation exchange capacity and more single-board slot is provided.
In order to alleviate devices exchange capacity and interconnect bottleneck, emerge in large numbers made new advances many new systems and solution in recent years, wherein having now under the fixing situation of exchange chip Bus Speed and exchange capacity, adopting the middle backboard in double groove position is one of method that solves big capacity bottleneck.
Prior art double-sided inserted backplane implementation method is: middle backboard front end face plugs some preceding veneers respectively, and middle backboard rear end face plugs some backs veneer respectively, after the front and back veneer is inserted in middle backboard, and the parallel to each other and mutual dislocation in groove position of each veneer.As shown in Figure 1, groove position veneer 1 and groove position veneer 2 mutual dislocation and parallel on back board structure, groove position veneer 2 and groove position veneer 3 mutual dislocation and parallel on back board structure.Because the existence of the connector of groove position veneer 2 butt joints has retained the broad space between groove position veneer 2 and the groove position veneer 3.
The inventor is in realizing process of the present invention, find that there is following shortcoming at least in prior art: prior art and the wiring difficulty bigger problem brought overlapping for fear of the pin on the single-board slot of front and back, on middle back board structure, the front and back single-board slot is set to mutual dislocation and parallel, during use the front and back veneer is inserted in the single-board slot of front and back.Though prior art double-sided inserted backplane structure is compared with single face groove position backboard, has improved backboard single-board slot quantity and exchange capacity.But, there is the broad space between several preceding veneers or several back veneers in the prior art double-sided inserted backplane, the structure space utilance is still lower, and single face number of slots amount is less in the double-sided inserted backplane, and cable tray is connected device and takies substantially.
Summary of the invention
The embodiment of the invention provides double-sided inserted backplane, makes double-sided inserted backplane that bigger operation exchange capacity and more single-board slot can be provided.
A kind of double-sided inserted backplane comprises: middle backboard, middle backboard front end face are inserted with at least one preceding single-board slot connector, and middle backboard rear end face is inserted with at least one back single-board slot connector, it is characterized in that:
The backboard front end face has first pin, second pin that is used to plug the electrical contact pin on the preceding single-board slot connector at least in the middle of described;
The backboard rear end face has the 3rd pin that is used to plug the electrical contact pin on the single-board slot connector of back at least in the middle of described;
Preceding single-board slot connector has at least two electrical contact pins, and the first electrical contact pin and the second electrical contact pin, the single-board slot connector plugs the first electrical contact pin from the middle backboard front end face first pin place to middle backboard inside before described, and described preceding single-board slot connector plugs the second electrical contact pin from the middle backboard front end face second pin place to middle backboard inside;
Back single-board slot connector has at least one the 3rd electrical contact pin, and described back single-board slot connector plugs the 3rd electrical contact pin from middle backboard rear end face the 3rd pin place to middle backboard inside;
In the middle of described the 3rd pin of backboard rear end face be positioned at described in the middle of being connected on the line segment that line segment is right against centre backboard rear end face of first pin and second pin of backboard front end face.
Have following advantage in the technique scheme: by the 3rd pin with middle backboard rear end face be positioned at described in the middle of being connected on the line segment that line segment is right against centre backboard rear end face of first pin and second pin of backboard front end face, make that the preceding single-board slot connector of double-sided inserted backplane can be partly or completely overlapping on the same lengthwise position of middle backboard with back single-board slot connector, make that the single-board slot connector can intensively be provided with in the double-sided inserted backplane, improved double-sided inserted backplane structure space utilance.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a prior art double-sided inserted backplane structural representation;
The double-sided inserted backplane that Fig. 2 provides for the embodiment of the invention one is in conjunction with the structural representation of front and back veneer;
The structural representation of the double-sided inserted backplane that Fig. 3 provides for the embodiment of the invention one
The structural representation of the double-sided inserted backplane that Fig. 4 provides for the embodiment of the invention two;
Fig. 5 is the middle backboard cross-sectional structure schematic diagram of double-sided inserted backplane provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 2, the embodiment of the invention one discloses a kind of double-sided inserted backplane.Veneer before and after this double-sided inserted backplane front/rear end is used to plug.Wherein, double-sided inserted backplane comprises: middle backboard 210, middle backboard 210 front end faces are inserted with at least one preceding single-board slot connector 230, and middle backboard 210 rear end faces are inserted with at least one back single-board slot connector 250.The double-sided inserted backplane of embodiment one comprises single-board slot connector 250 behind 2 preceding single-board slot connectors 230 and 2, is respectively applied for and plugs veneer 290.
See also Fig. 3, middle backboard 210 front end faces have first pin 211, second pin 213 that is used to plug the electrical contact pin on the preceding single-board slot connector 230 at least; Backboard 210 rear end faces have the 3rd pin 215 that is used to plug the electrical contact pin on the back single-board slot connector 250 at least in the middle of described.Preceding single-board slot connector 230 has at least two electrical contact pins, and the first electrical contact pin 231 and the second electrical contact pin 233, preceding single-board slot connector 230 plugs the first electrical contact pin 231 from middle backboard 210 front end faces first pin 211 places to middle backboard 210 inside, and preceding single-board slot connector 230 plugs the second electrical contact pin 233 from middle backboard 210 front end faces second pin 213 places to middle backboard 210 inside.Back single-board slot connector 250 has at least one the 3rd electrical contact pin 251, and back single-board slot connector 250 plugs the 3rd electrical contact pin 251 from middle backboard 210 rear end faces the 3rd pin 215 places to middle backboard 210 inside;
The embodiment of the invention one, by the 3rd pin 215 with middle backboard 210 rear end faces be positioned at described in the middle of being connected on the line segment that line segment is right against centre backboard 210 rear end faces of first pin 211 and second pin 213 of backboard 210 front end faces, make that the preceding single-board slot connector 230 of double-sided inserted backplane can be partly or completely overlapping on the same lengthwise position of middle backboard 210 both sides with back single-board slot connector 250, the single-board slot connector can intensively be provided with before and after making in the double-sided inserted backplane, has improved double-sided inserted backplane structure space utilance.
In the embodiment of the invention one, preceding single-board slot connector 230 and back single-board slot connector 250 can be any in interposed electrical connector or the SMD electric connector.Be appreciated that, in the present embodiment in said first pin 211, second pin 213, the 3rd pin 215 and first electrical contact pin 231, second electrical contact pin the 233, the 3rd electrical contact pin 251, " first " is for convenience of description with the restriction of " second ", to distinguish several pins and contact pin.
See also Fig. 4, the embodiment of the invention two another double-sided inserted backplane that disclosed, it comprises single-board slot connector behind 3 preceding single-board slot connectors and 3.Before and after the single-board slot connector, be respectively applied for and plug 6 veneers 290.
In the double-sided inserted backplane among the embodiment two, preceding single-board slot connector 230 plugs the first electrical contact pin 231 from middle backboard 210 front end faces first pin 211 places to middle backboard 210 internal vertical; Preceding single-board slot connector 230 plugs the second electrical contact pin 233 from middle backboard 210 front end faces second pin 213 places to middle backboard 210 internal vertical; Back single-board slot connector 250 plugs the 3rd electrical contact pin 251 from middle backboard 210 rear end faces the 3rd pin 215 places to middle backboard 210 internal vertical.In present embodiment two, the electrical contact pin of front end face of single-board slot connector 230 and back single-board slot connector 250 is right against the electrical contact pin of rear end face before the middle backboard 210.For example, the first electrical contact pin 231 and the 3rd electrical contact pin 251 are on the section straight line B-B perpendicular to middle backboard 210.And then single-board slot connectors 230 and back single-board slot connector 250 are overlapping fully before the middle backboard 210, make in the double-sided inserted backplane before and after the single-board slot connector can intensively be provided with, improved double-sided inserted backplane structure space utilance.Can be parallel or the intensive setting of staggered form such as the front and back veneer that inserts the single-board slot connector, improved double-sided inserted backplane structure space utilance.
Optionally, backboard 210 inside in the middle of the electrical contact pin of front and back single-board slot connector is not limited to vertically be inserted in, its backboard inside in the middle of also oblique cutting is gone at an angle.For example, the electrical contact pin of preceding single-board slot connector and back single-board slot connector and middle back plate surface at an angle oblique cutting go into backboard inside, centre.First pin of backboard front end face and second pin was connected on the line segment that line segment is right against centre backboard rear end face in the middle of the 3rd pin of middle backboard rear end face was positioned at.Same so design also can improve double-sided inserted backplane structure space utilance so that the single-board slot connector can intensively be provided with before and after in the double-sided inserted backplane.
Before and after the single-board slot connector part overlapping or overlapping fully, the single-board slot before and after making arrange and structural design without limits, front and back single board service groove bit architecture can be accomplished consistent or inconsistent, back board structure variation in the middle of realizing.Optionally, the first electrical contact pin is different with the access signal of the 3rd electrical contact pin in embodiment one.Perhaps, the pin of front and back single-board slot connector lap is (as first pin 211 among the embodiment one, second pin 213) different with the connector pin (as the 3rd pin 215 among the embodiment one) of groove position, back to signal effect definition, and the pin of overlapping region can be realized realizing business interconnection with any slot position connector pin of middle backboard, and then the connector pin density of the middle backboard same position of raising, can realize concentrating exchange, MESH (network system that grid is netted), antithesis all kinds of operation exchange frameworks such as (adjacent slot position business interconnections) promote ply-yarn drill groove position access capacity and the operation exchange capacity that exchanges the groove position greatly.
For the pin of single-board slot connector lap and the connector pin of groove position, back before and after realizing interconnect, in the disclosed double-sided inserted backplane, the business interconnection of veneer can pass through backboard cabling, blind hole, through hole or buried via hole realization before and after the double-sided inserted backplane among the embodiment one and two.Preceding single-board slot connector or back single-board slot connector have some electrical contact pins respectively, partly or entirely electrically connect by the wiring that is embedded in middle backboard inside between the some electrical contact pin of each single-board slot connector.Here also be not limited to be embedded in wiring, also can electrically connect by one or more modes in through hole, blind hole, buried via hole or the wiring of middle backboard inside.As shown in Figure 5, middle backboard 210 inside are provided with wiring 217 and wiring 219, and middle backboard 210 front end faces offer blind hole 212, and rear end face offers blind hole 214, and middle backboard 210 offers through hole 216 in the pars intermedia of blind hole 212 and blind hole 214.Wherein, the blind hole 212 of middle backboard 210 is connecter hole that preceding single-board slot connector pin will insert.The blind hole 214 of middle backboard 210 is connecter hole that back single-board slot connector pin will insert.
Wiring 217 electrically connects blind hole 212 and through hole 216, and wiring 219 electrically connects through hole 216 and blind hole 214.If preceding single-board slot connector pin and back single-board slot connector pin need carry out business interconnection, preceding single-board slot connector pin signal can pass through blind hole 212, after through wiring 217, through hole 216, wiring 219, arrive blind hole 214 at last, thereby realize business interconnection.Certainly it is multiple to realize that blind hole 212 can also have to interconnected between the blind hole 214, for example by realizing electric connection between the buried via hole established in the middle backboard or a plurality of through hole and a plurality of wiring and can realizing, is not giving unnecessary details at this.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above only is several embodiments of the present invention, and those skilled in the art can carry out various changes or modification to the present invention and do not break away from the spirit and scope of the present invention according to application documents are disclosed.
Claims (7)
1, a kind of double-sided inserted backplane comprises: middle backboard, middle backboard front end face are inserted with at least one preceding single-board slot connector, and middle backboard rear end face is inserted with at least one back single-board slot connector, it is characterized in that:
The backboard front end face has first pin, second pin that is used to plug the electrical contact pin on the preceding single-board slot connector at least in the middle of described;
The backboard rear end face has the 3rd pin that is used to plug the electrical contact pin on the single-board slot connector of back at least in the middle of described;
Preceding single-board slot connector has two electrical contact pins at least, and the first electrical contact pin and the second electrical contact pin, the single-board slot connector plugs the first electrical contact pin from the middle backboard front end face first pin place to middle backboard inside before described, and described preceding single-board slot connector plugs the second electrical contact pin from the middle backboard front end face second pin place to middle backboard inside;
Back single-board slot connector has one the 3rd electrical contact pin at least, and described back single-board slot connector plugs the 3rd electrical contact pin from middle backboard rear end face the 3rd pin place to middle backboard inside;
In the middle of described the 3rd pin of backboard rear end face be positioned at described in the middle of being connected on the line segment that line segment is right against centre backboard rear end face of first pin and second pin of backboard front end face.
2, double-sided inserted backplane according to claim 1 is characterized in that, described before single-board slot connector and back single-board slot connector be any in interposed electrical connector or the SMD electric connector.
3, double-sided inserted backplane according to claim 1 is characterized in that, described preceding single-board slot connector plugs the first electrical contact pin from the middle backboard front end face first pin place to middle backboard internal vertical; The single-board slot connector plugs the second electrical contact pin from the middle backboard front end face second pin place to middle backboard internal vertical before described; Described back single-board slot connector plugs the 3rd electrical contact pin from middle backboard rear end face the 3rd pin place to middle backboard internal vertical.
4, double-sided inserted backplane according to claim 1 is characterized in that, the described electrical contact pin of described preceding single-board slot connector and back single-board slot connector and middle back plate surface oblique cutting are at an angle gone into middle backboard inside; In the middle of described the 3rd pin of backboard rear end face be positioned at described in the middle of being connected on the line segment that line segment is right against centre backboard rear end face of first pin and second pin of backboard front end face.
5, double-sided inserted backplane according to claim 1, it is characterized in that, single-board slot connector or back single-board slot connector have some electrical contact pins respectively before described, partly or entirely electrically connect by one or more modes in through hole, blind hole, buried via hole or the wiring of backboard inside in the middle of being embedded between the some electrical contact pin of each single-board slot connector.
6, double-sided inserted backplane according to claim 1 is characterized in that, the described first electrical contact pin and the described the 3rd electrical contact pin are on the straight line perpendicular to middle backboard.
7, double-sided inserted backplane according to claim 1 is characterized in that, the first electrical contact pin is different with the access signal of the 3rd electrical contact pin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810067875 CN101304543A (en) | 2008-06-17 | 2008-06-17 | Two-sided insertion backboard |
| PCT/CN2009/070550 WO2009152701A1 (en) | 2008-06-17 | 2009-02-26 | Double interpolation backplane and communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810067875 CN101304543A (en) | 2008-06-17 | 2008-06-17 | Two-sided insertion backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101304543A true CN101304543A (en) | 2008-11-12 |
Family
ID=40114211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810067875 Pending CN101304543A (en) | 2008-06-17 | 2008-06-17 | Two-sided insertion backboard |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101304543A (en) |
| WO (1) | WO2009152701A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152701A1 (en) * | 2008-06-17 | 2009-12-23 | 华为技术有限公司 | Double interpolation backplane and communication device |
| CN101877932B (en) * | 2009-04-29 | 2011-08-03 | 大唐移动通信设备有限公司 | Double-sided inserted backplane and slot position connector |
| WO2011137828A1 (en) * | 2010-11-01 | 2011-11-10 | 华为技术有限公司 | Back plate, communication device and communication system |
| CN102576337A (en) * | 2009-08-28 | 2012-07-11 | 先进绿色计算机-Ip有限公司 | High density multi node computer with integrated shared resources |
| CN102609049A (en) * | 2012-03-27 | 2012-07-25 | 中国人民解放军国防科学技术大学 | Sandwich back plate device for connecting plug-in cards |
| CN102087536B (en) * | 2009-12-07 | 2012-08-08 | 无锡江南计算技术研究所 | Blade device |
| CN102681618A (en) * | 2012-04-20 | 2012-09-19 | 华为技术有限公司 | Backboard system |
| CN105224032A (en) * | 2015-10-28 | 2016-01-06 | 上海航天科工电器研究院有限公司 | A kind of connection clamp of functional cards |
| CN105655761A (en) * | 2014-11-28 | 2016-06-08 | 中兴通讯股份有限公司 | Connector and communication equipment |
| WO2016107427A1 (en) * | 2014-12-30 | 2016-07-07 | 中兴通讯股份有限公司 | Backplane, double-sided inserted backplane and cross board |
| CN106612243A (en) * | 2015-10-21 | 2017-05-03 | 中兴通讯股份有限公司 | A backboard component and a communication device |
| CN106951040A (en) * | 2017-04-25 | 2017-07-14 | 郑州云海信息技术有限公司 | A kind of method using pseudo- orthogonal manner design system backboard |
| CN108882525A (en) * | 2018-08-24 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of compression bonding method of pcb board and PCB frontback connection device |
| CN113067219A (en) * | 2021-03-26 | 2021-07-02 | 山东英信计算机技术有限公司 | Multi-path server node cross-board signal interconnection device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098317B (en) * | 2012-10-26 | 2015-05-27 | 华为技术有限公司 | Signal transmission apparatus and electronic device |
| CN103050800B (en) * | 2012-12-25 | 2015-04-08 | 华为技术有限公司 | Electrical connection device and electronic equipment |
| CN103916250B (en) * | 2013-01-04 | 2019-01-22 | 中兴通讯股份有限公司 | A kind of signal transmitting apparatus and signal transmission board |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2626161Y (en) * | 2003-04-28 | 2004-07-14 | 华为技术有限公司 | Doublefaced plugging back plate |
| CN2854976Y (en) * | 2005-12-05 | 2007-01-03 | 华为技术有限公司 | Two-sided inserted blackboard |
| CN1988681B (en) * | 2006-12-04 | 2010-05-19 | 烽火通信科技股份有限公司 | Front and back stagged double side insert plate back plate |
| CN101304543A (en) * | 2008-06-17 | 2008-11-12 | 华为技术有限公司 | Two-sided insertion backboard |
-
2008
- 2008-06-17 CN CN 200810067875 patent/CN101304543A/en active Pending
-
2009
- 2009-02-26 WO PCT/CN2009/070550 patent/WO2009152701A1/en active Application Filing
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152701A1 (en) * | 2008-06-17 | 2009-12-23 | 华为技术有限公司 | Double interpolation backplane and communication device |
| CN101877932B (en) * | 2009-04-29 | 2011-08-03 | 大唐移动通信设备有限公司 | Double-sided inserted backplane and slot position connector |
| CN102576337A (en) * | 2009-08-28 | 2012-07-11 | 先进绿色计算机-Ip有限公司 | High density multi node computer with integrated shared resources |
| CN102576337B (en) * | 2009-08-28 | 2015-12-16 | 先进绿色计算机-Ip有限公司 | There is the high density multi node computer of integrated shared resource |
| CN102087536B (en) * | 2009-12-07 | 2012-08-08 | 无锡江南计算技术研究所 | Blade device |
| US8861222B2 (en) | 2010-11-01 | 2014-10-14 | Huawei Technologies Co., Ltd. | Backplane, communication device and communication system |
| WO2011137828A1 (en) * | 2010-11-01 | 2011-11-10 | 华为技术有限公司 | Back plate, communication device and communication system |
| CN102609049A (en) * | 2012-03-27 | 2012-07-25 | 中国人民解放军国防科学技术大学 | Sandwich back plate device for connecting plug-in cards |
| CN102609049B (en) * | 2012-03-27 | 2014-06-04 | 中国人民解放军国防科学技术大学 | Sandwich back plate device for connecting plug-in cards |
| CN102681618A (en) * | 2012-04-20 | 2012-09-19 | 华为技术有限公司 | Backboard system |
| CN105655761A (en) * | 2014-11-28 | 2016-06-08 | 中兴通讯股份有限公司 | Connector and communication equipment |
| CN105655761B (en) * | 2014-11-28 | 2020-01-07 | 中兴通讯股份有限公司 | Connector and communication equipment |
| WO2016107427A1 (en) * | 2014-12-30 | 2016-07-07 | 中兴通讯股份有限公司 | Backplane, double-sided inserted backplane and cross board |
| CN105813414A (en) * | 2014-12-30 | 2016-07-27 | 中兴通讯股份有限公司 | Backboard, two-sided plug backboard, and cross board |
| CN106612243A (en) * | 2015-10-21 | 2017-05-03 | 中兴通讯股份有限公司 | A backboard component and a communication device |
| CN105224032A (en) * | 2015-10-28 | 2016-01-06 | 上海航天科工电器研究院有限公司 | A kind of connection clamp of functional cards |
| CN106951040A (en) * | 2017-04-25 | 2017-07-14 | 郑州云海信息技术有限公司 | A kind of method using pseudo- orthogonal manner design system backboard |
| CN108882525A (en) * | 2018-08-24 | 2018-11-23 | 郑州云海信息技术有限公司 | A kind of compression bonding method of pcb board and PCB frontback connection device |
| CN113067219A (en) * | 2021-03-26 | 2021-07-02 | 山东英信计算机技术有限公司 | Multi-path server node cross-board signal interconnection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009152701A1 (en) | 2009-12-23 |
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