CN201508548U - PCI Express signal expansion interconnection device - Google Patents
PCI Express signal expansion interconnection device Download PDFInfo
- Publication number
- CN201508548U CN201508548U CN2009201934446U CN200920193444U CN201508548U CN 201508548 U CN201508548 U CN 201508548U CN 2009201934446 U CN2009201934446 U CN 2009201934446U CN 200920193444 U CN200920193444 U CN 200920193444U CN 201508548 U CN201508548 U CN 201508548U
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- pci express
- high speed
- interconnection device
- transmission
- express signal
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Abstract
The utility model discloses a PCI Express signal expansion interconnection device which comprises two PCI Express interface boards for transmitting PCI Express signal between a PCI Express bus and a transmission interconnecting wire, and a transmission interconnecting wire for connecting two PCI Express interface boards and transmitting PCI Express signal between the two PCI Express interface boards, wherein the PCI Express interface board consists of a PCI Express circuit board and a high-speed connector, and the transmission interconnecting wire comprises a cable and a high-speed connector. The PCI Express signal expansion interconnection device has high reliability, simple making, low cost, strong suitability and easy realization, enables a computer and a peripheral device to be located in two separate independent subsystems, and keeps the normal interaction of signals.
Description
Technical field
The utility model relates to a kind of device of computer bus expansion interconnection, especially relates to a kind of based on PCIExpress (Peripheral Component Interconnection Express, peripheral element extension interface) signal extension interconnection device.
Background technology
PCI Express be used for interconnecting such as calculate and the communications platform application in the third generation high-performance I/O bus of peripherals, can be applied to the bus of all peripheral I/O apparatus interconnections such as mobile device, desktop computer, workstation, server, embedded calculating and communications platform.
Compare with PCI, PCI Express bus interface has realized that transmission mode is from parallel-to-serial change, PCI Express has adopted point-to-point mode connected in series, shared parallel architecture compared with PCI and more early stage computer bus, PCI Express allows each equipment to set up independently data transmission channel, need not be again to the total system bandwidth on demand, thus the transfer rate of data can be improved.The signal that the mode connected in series that PCI Express adopts can significantly reduce between cable disturbs and electromagnetic interference (EMI), and with respect to parallel connected mode, the winding displacement number of its transmission cable also reduces to some extent, more can save the space.Therefore, PCI Express has high-performance, high scalability, high reliability, easily upgrading and the low advantage of expense.
In the interconnection of PCI Express device extension, the method that prior art adopts is to use special-purpose PCIExpress cable interconnection, as shown in Figure 1, its method is by PCI Express expansion card PCI Express signal to be picked out from golden finger, carries out the interconnection of two subsets by the cable of being with metallic shield.Because the signal that transmits among the PCIExpress is a high-speed digital signal, thereby higher to signal integrity and demand on signal quality, cable and connector are had relatively high expectations, thereby the cable cost of PCI Express device extension interconnection is higher.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art with not enough, a kind of reliability height is provided, making is simple, cost is low, adaptability is strong and has realized being easy to PCI Express signal extension interconnection device, the PCI Express bus of computing machine and the technical matters of peripheral equipment interconnect extended have been solved, make computing machine and peripheral equipment can be in independently two subsystems of separation, and the energy holding signal is normal mutual.
The purpose of this utility model is achieved through the following technical solutions: a kind of PCI Express signal extension interconnection device comprises:
Two PCIExpress interface boards that are used for transmission PCI Express signal between PCI Express bus and transmission interconnection line;
Be used to connect two PCI Express interface boards and the transmission interconnection line of transmission PCI Express signal between two PCI Express interface boards.
For better realizing the utility model, described PCI Express interface board comprises:
Be used for the PCIExpress wiring board of transmission PCI Express signal between PCI Express bus and high speed connector, on the described PCI Express wiring board PCI Express golden finger arranged;
The high speed connector that is used for transmission PCI Express signal between PCI Express wiring board and transmission interconnection line.
Preferably, described PCI Express interface board has 2 horizontal directions high speed connector side by side.Described high speed connector is fixed on the PCI Express wiring board of PCI Express interface board by the crimping mode.The high speed connector model that adopts is ERNI Vertical Male Connectors, Part number:973031.
Described transmission interconnection line comprises:
Be used to transmit the cable of PCI Express signal;
The high speed connector that is fixed in the cable two ends, is used to connect PCI Express interface board and transmits PCI Express signal.
Preferably, described cable is flexible circuit board (Flexible PCB).
Preferably, for guaranteeing the high speed signal integrality, described flexible circuit board adopts 6 layers of wiring board scheme, and the flexible circuit board thickness of slab is 2.0mm, lamination is respectively Top-Gnd02-ART03-Art04-Gnd05-Bottom, and the 2nd layer of Gnd02 and the 5th layer of Gnd05 are respectively ground level in the lamination.
Preferably, the described high speed connector that is fixed in the cable two ends is meant that specifically the cable two ends all are fixed with 2 horizontal directions high speed connector side by side.The high speed connector model that adopts is ERNI Right AngleFemale Connectors, Part number:973032.
Described PCI Express interface board is one or both among PCI Express x16, x8, x4, the x1.
The utility model compared with prior art has following advantage and beneficial effect:
The first, the utility model has solved the PCI Express bus of computing machine and the technical matters of peripheral equipment interconnect extended, make computing machine and peripheral equipment can be in independently two subsystems of separation, and the energy holding signal is normal mutual, can obtain the higher signal quality, have high reliability, be specially adapted in the unit case interconnection between 2 subsystems.
The second, a kind of PCI Express of the utility model signal extension interconnection device is compared with existing P CI Express signal extension technology, make simple, low-cost and can select different PCI Express interface boards at the different bit wides of PCI Express bus, adaptability is strong, realizes easily.
Description of drawings
Fig. 1 is the block diagram of PCI Express signal extension interconnection device in the prior art;
Fig. 2 is the block diagram of a kind of PCI Express of the utility model signal extension interconnection device;
Fig. 3 is that embodiment transmits the synoptic diagram that interconnection line is realized.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
As shown in Figure 2, a kind of PCI Express signal extension interconnection device comprises:
Two PCIExpress interface boards that are used for transmission PCI Express signal between PCI Express bus and transmission interconnection line; One of them PCI Express interface board links to each other with the PCI Express bus of equipment 1, and another PCI Express interface board links to each other with the PCI Express bus of equipment 2;
Be used to connect two PCI Express interface boards and the transmission interconnection line of transmission PCI Express signal between two PCI Express interface boards.
Described PCI Express interface board comprises:
Be used for the PCIExpress wiring board of transmission PCI Express signal between PCI Express bus and high speed connector, on the described PCI Express wiring board PCI Express golden finger arranged;
And
The high speed connector that is used for transmission PCI Express signal between PCI Express wiring board and transmission interconnection line.
The PCI Express wiring board of one of them PCI Express interface board links to each other with the PCI Express bus slot of equipment 1 by golden finger, and the PCI Express wiring board of another PCI Express interface board links to each other with the PCI Express bus slot of equipment 2 by golden finger; To carry out PCI Express bus signals mutual by being inserted into PCI Express bus slot mode on the equipment and equipment for golden finger, and golden finger is connected to PCI Express bus signals on the high speed connector of PCI Express wiring board by the mode of PCI Express wiring board cabling more then.
Described PCI Express interface board has 2 horizontal directions high speed connector side by side, described high speed connector is fixed on the PCI Express wiring board of PCI Express interface board by the crimping mode, the high speed connector model that adopts is ERNI Vertical Male Connectors, Part number:973031.
As shown in Figure 3, described transmission interconnection line comprises:
Be used to transmit the cable of PCI Express signal;
The high speed connector that is fixed in the cable two ends, is used to connect PCI Express interface board and transmits PCI Express signal, be meant that specifically the cable two ends all are fixed with 2 horizontal directions high speed connector side by side, the high speed connector model that adopts is ERNI Right Angle Female Connectors, Part number:973032;
Described cable is flexible circuit board (Flexible PCB), for guaranteeing the high speed signal integrality, described flexible circuit board adopts 6 layers of wiring board scheme, the flexible circuit board thickness of slab is 2.0mm, lamination is respectively Top-Gnd02-ART03-Art04-Gnd05-Bottom, and the 2nd layer of Gnd02 and the 5th layer of Gnd05 are respectively ground level in the lamination;
Be connected with 2 high speed connectors (ERNI973032) side by side of described cable one end with 2 high speed connectors (ERNI 973031) side by side on the PCI Express interface board that the PCI Express bus of equipment 1 links to each other, be connected (ERNI 973032) with 2 high speed connectors side by side of the described cable other end with 2 high speed connectors (ERNI 973031) side by side on the continuous PCI Express interface board of the PCI Express bus of equipment 2.
Described PCI Express interface board is one or both among PCI Express x16, x8, x4, the x1.Equipment can select different PCI Express interface boards to realize according to different PCI Express slots, and high speed connector and cable guarantee the access of various signal situation like this by maximum configured PCI Express x16 design.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (10)
1. a PCI Express signal extension interconnection device is characterized in that, comprising:
Two PCIExpress interface boards that are used for transmission PCI Express signal between PCI Express bus and transmission interconnection line;
Be used to connect two PCI Express interface boards and the transmission interconnection line of transmission PCI Express signal between two PCI Express interface boards.
2. PCI Express signal extension interconnection device according to claim 1 is characterized in that, described PCI Express interface board comprises:
Be used for the PCIExpress wiring board of transmission PCI Express signal between PCI Express bus and high speed connector, on the described PCI Express wiring board PCI Express golden finger arranged;
The high speed connector that is used for transmission PCI Express signal between PCI Express wiring board and transmission interconnection line.
3. PCI Express signal extension interconnection device according to claim 2 is characterized in that: described PCI Express interface board has 2 high speed connectors side by side.
4. PCI Express signal extension interconnection device according to claim 2 is characterized in that: described high speed connector model is ERNI Vertical Male Connectors, Part number:973031.
5. PCI Express signal extension interconnection device according to claim 1 is characterized in that described transmission interconnection line comprises:
Be used to transmit the cable of PCI Express signal;
The high speed connector that is fixed in the cable two ends, is used to connect PCI Express interface board and transmits PCI Express signal.
6. PCI Express signal extension interconnection device according to claim 5 is characterized in that described cable is a flexible circuit board.
7. PCI Express signal extension interconnection device according to claim 6, it is characterized in that: described flexible circuit board adopts 6 layers of wiring board scheme, the flexible circuit board thickness of slab is 2.0mm, lamination is respectively Top-Gnd02-ART03-Art04-Gnd05-Bottom, and the 2nd layer of Gnd02 and the 5th layer of Gnd05 are respectively ground level in the lamination.
8. PCI Express signal extension interconnection device according to claim 5 is characterized in that: the described high speed connector that is fixed in the cable two ends is meant that specifically the cable two ends all are fixed with 2 high speed connectors side by side.
9. PCI Express signal extension interconnection device according to claim 5 is characterized in that: described high speed connector model is ERNI Right Angle Female Connectors, Part number:973032
10. PCI Express signal extension interconnection device according to claim 1 is characterized in that: described PCI Express interface board is one or both among PCI Express x16, x8, x4, the x1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201934446U CN201508548U (en) | 2009-08-26 | 2009-08-26 | PCI Express signal expansion interconnection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201934446U CN201508548U (en) | 2009-08-26 | 2009-08-26 | PCI Express signal expansion interconnection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508548U true CN201508548U (en) | 2010-06-16 |
Family
ID=42469674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201934446U Expired - Fee Related CN201508548U (en) | 2009-08-26 | 2009-08-26 | PCI Express signal expansion interconnection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515816A (en) * | 2012-06-20 | 2014-01-15 | 雷凌科技股份有限公司 | Flexible transmission device and communication device |
| CN105975427A (en) * | 2016-05-18 | 2016-09-28 | 南京国睿中数电子科技有限公司 | PCIE dual-mode system based on SAS interface |
-
2009
- 2009-08-26 CN CN2009201934446U patent/CN201508548U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515816A (en) * | 2012-06-20 | 2014-01-15 | 雷凌科技股份有限公司 | Flexible transmission device and communication device |
| US9123980B2 (en) | 2012-06-20 | 2015-09-01 | Mediatek Inc. | Flexible transmission device and communication device using the same |
| CN103515816B (en) * | 2012-06-20 | 2016-01-27 | 联发科技股份有限公司 | Flexible transmission device and communication device |
| CN105975427A (en) * | 2016-05-18 | 2016-09-28 | 南京国睿中数电子科技有限公司 | PCIE dual-mode system based on SAS interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20160826 |