CN106953816A - Communication exchange device - Google Patents

Abstract

The present invention provides a communication switching device, comprising: a service board; a switching board; interconnection components, a plurality of interconnection components, each of which is provided with a plurality of first connectors and a plurality of second connectors. Two connectors, the interconnection component is connected to the service board and the switching board through the first connector and the second connector respectively. By adopting a plurality of interconnection components to realize the mutual connection between the service board and the switching board, the heat dissipation capability of the present invention is improved, thereby reducing the power consumption and cost of the present invention.

Description

communication switching equipment

technical field

The present invention relates to the communication field, in particular to a communication switching device.

Background technique

In the prior art, board-to-board interconnections in communication devices such as routers and switches are usually electrical signal interconnections. With the continuous increase of the capacity of communication equipment, the complex interconnection relationship, power consumption and heat dissipation problems are becoming more and more prominent.

Board-to-board interconnection in existing communication equipment such as network switching equipment is usually electrical signal interconnection, and network switching equipment such as routers is generally realized by cross-connection of a group of service boards and several switching boards. Multiple service boards and switching boards are plugged into the same electrical signal interconnection backplane, and board-to-board interconnection is realized through the electrical interconnection backplane. The existing equipment is shown in Figure 1. At present, the scale of the equipment is large, there are many boards, and the interconnection between the boards is complicated, which makes the design of the electric backplane difficult or even impossible to process. Moreover, multiple communication devices are often placed in the computer room, resulting in poor ventilation, and the problem of heat dissipation needs to be solved urgently. Therefore, reducing the heat loss of a single device has become an urgent problem to be solved.

With the increasing demand for high interconnection bandwidth in the communication field, the optical interconnection technology has been continuously developed in the communication field. The single-wire rate of board-to-board interconnection continues to increase, the limit of electrical signal transmission is approaching, and optical interconnection has become an important development direction. With the gradual decline in the cost of optical interconnection, optical interconnection has developed from rack-to-rack interconnection, board-to-board interconnection, and even chip-to-chip interconnection. Board-to-board optical interconnection can be realized through a variety of technologies, one is high-density optical fiber interconnection soft board technology (fiber shuffle), the integration of fiber optic soft boards is continuously improved, and thousands of channels of light can be realized in a small-area flexible board. interconnected relationship. The other is embedded waveguide printed board technology based on optical waveguide materials, which embeds polymer optical waveguide materials (optical waveguide) into PCBs. This technology has been extensively studied at home and abroad.

However, the design of the communication equipment structure in the prior art (as shown in FIG. 1 ) will cause the equipment to easily cause defects such as blocked cooling air ducts, long cooling air ducts, large heat consumption of the equipment, and large power consumption. Among them, 10' business board, 20' for switching board, 30' for backplane, 50' for fan.

Contents of the invention

The main purpose of the present invention is to provide a communication switching device to solve the problem of low heat dissipation of the communication switching device in the prior art.

In order to achieve the above object, the present invention provides a communication switching device, including: a service card; a switching card; connector and a plurality of second connectors, and the interconnection component is connected to the service board and the switching board through the first connector and the second connector respectively.

Further, any one of the multiple first connectors is connected to the multiple second connectors, and the service board and the switch board are interconnected through the first connector and/or the second connector. Wires provided within the components are connected and exchange electrical and/or optical signals.

Further, the multiple first connectors are connected to each other, and the multiple second connectors are connected to each other.

Further, there are multiple service boards, and the multiple service boards are arranged in parallel.

Further, there are multiple switching boards, the multiple switching boards are arranged in parallel, and the service boards are parallel to the switching boards.

Further, a plurality of service boards form a service board group, a plurality of switching boards form a switching board group, and the service board group is located at one side of the switching board group.

Further, a plurality of service boards form a service board group, there are multiple switching boards, and a plurality of switching boards form a switching board group, and the service board group is perpendicular to the switching board group.

Further, multiple interconnection components are arranged in parallel on the same side of the service board and the switching board.

Further, at least one fixing frame is provided between the interconnection component and the service board and the switching board, and the fixing frame is provided with a fixing member for fixing the service board and the switching board.

Further, the fixing part is a card slot.

Further, the communication switching equipment further includes a fan, and the fan is located on opposite sides of the service board and the switching board, and a plurality of horizontal air ducts are formed between the fan, the service board and the switching board.

Further, the communication switching equipment further includes a fan, and the fan is located on the opposite side of the service board or the switching board, and a plurality of horizontal air ducts are formed between the fan, the service board and the switching board.

Further, the service board is provided with a third connector, and the service board is connected to the interconnection component through the third connector.

Further, the switch board is provided with a fourth connector, and the switch board is connected to the interconnection component through the fourth connector.

Further, the interconnection component is a hard plate structure, a column structure or a rollable soft plate structure.

Further, the interconnection component is an optical fiber flexible board for all-optical signal communication, a polymer optical waveguide PCB board or a photoelectric hybrid printed board.

Applying the technical solution of the present invention, it includes a plurality of interconnection components, and the interconnection components are provided with a plurality of first connectors and a plurality of second connectors, and the interconnection components communicate with the business through the first connectors and the second connectors respectively. The board is connected to the switching board. The interconnection between the service board and the switch board is realized through multiple interconnection components, and the interconnection between the complex service board group and the switch board group is simplified to multiple interconnection parts, which improves the heat dissipation of the present invention Capability, reducing the manufacturing complexity of the interconnection components, thereby reducing the power consumption and cost of the present invention.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

FIG. 1 shows a schematic diagram of a communication device in the prior art;

Fig. 2 shows the schematic structural diagram of the complete machine assembly of the communication switching equipment according to the present invention;

Fig. 3 shows a schematic diagram of the interconnection relationship between the service board and the switching board in Fig. 2;

FIG. 4 shows a schematic diagram of the interconnection relationship between the service board and the switching board according to Embodiment 1 of the communication switching device of the present invention;

FIG. 5 shows a schematic diagram of an exploded structure of the complete communication switching device in FIG. 4;

Figure 6 shows a side view of Figure 5;

FIG. 7 shows a schematic structural diagram of a fixed frame of a communication switching device according to the present invention;

Fig. 8 shows a schematic diagram of the coiled structure of the interconnection components of the communication switching device according to the present invention;

FIG. 9 shows a schematic diagram of an exploded structure of the whole device according to Embodiment 2 of the communication switching device of the present invention;

FIG. 10 shows a schematic structural diagram of the interconnection components of Embodiment 2 of the communication switching device according to the present invention;

Figure 11 shows a schematic structural view of the fixed frame in Figure 9;

FIG. 12 shows a schematic structural diagram of another interconnection component of the communication switching device according to the present invention; and

FIG. 13 shows a schematic diagram of the interconnection relationship between the service board and the switching board in FIG. 9 .

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Service board; 11. Third connector; 20. Switch board; 21. Fourth connector; 30. Interconnection component; 31. First connector; 32. Second connector; 40. Fixed frame ; 41, fixing parts; 50, blower fan.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in FIGS. 2 to 9 , according to an embodiment of the present invention, a communication switching device including a service board 10 , a switching board 20 and an interconnection component 30 is provided. There are multiple interconnection components 30 , and multiple first connectors 31 and multiple second connectors 32 are provided on each of the multiple interconnection components 30 . The interconnection component 30 is connected to the service board 10 through a first connector 31 . The interconnection component 30 is connected to the service board 10 and the switching board 20 through the second connector 32 . Any one of the multiple first connectors 31 can communicate with multiple second connectors 32, and the service board 10 and the switching board 20 pass through the first connector 31 or the second connector 32 And the lines provided in the interconnection part 30 are connected and exchanged signals. Of course, the service card 10 and the switch card 20 can also be connected and exchange signals through the first connector 31 and the second connector 32 and the lines provided in the interconnection component 30 .

The present invention proposes a board-to-board interconnection method for communication equipment. A plurality of interconnection components 30 realize the interconnection requirements between all service boards 10 and switching boards 20, increasing equipment air ducts, and greatly improving equipment The heat dissipation problem is solved, and the interconnection design is simplified, thereby reducing the power consumption and cost of the present invention.

In this embodiment, there is a service intercommunication requirement between the service board 10 and the switch board 20 . As shown in FIG. 3 , the logical interconnection relationship of optical signals between the service card 10 and the switch card 20 . In addition, adjacent service boards 10 also have optical signal interconnection paths. Adjacent switch boards 20 also have optical signal interconnection paths. And, all service boards 10 and switching boards 20 need power supply connections.

The interconnection component 30 is made of a PCB board, and the PCB board is a waveguide embedded PCB board. The PCB board is a hard board and does not need to be equipped with a 1-to-1 fixing frame 40, and is directly fixed on the equipment frame.

The interconnection board of the interconnection component 30 is embedded in the PCB board, and the optical signal is transmitted through the waveguide path, and a plurality of service boards 10 and switching boards 20 perform optical signal exchange through optical signal connectors.

The interconnection board of the interconnection component 30 is embedded in the PCB board, and the metal path transmits electrical signals to supply power to each single board. Wherein, the single board includes a service board 10 and a switching board 20 .

As shown in FIG. 3 , the logical interconnection relationship of optical signals between the service card 10 and the switch card 20 . The device has N service boards 10 and M switching boards 20 . FIG. 3 shows that there is an optical signal interconnection path between any service board 10 and any switching board 20 .

The concrete operation steps that realize above-mentioned embodiment are:

Firstly, the optical signal interconnection relationship between the service board 10 and the switch board 20 in FIG. 3 is divided into multiple sub-interconnection relationships as shown in FIG. 4 .

The division method of this embodiment is divided into M sub-interconnection relationships as shown in FIG. 4 according to the M switch boards 20 . Each sub-interconnection includes all interconnections between a switch board and N service boards 10 . Therefore, the interconnection between the service board 10 and the switch board 20 requires M interconnection components 30 . Wherein, the division principle is to divide according to the number of switch boards 20 . All interconnections between one switch board 20 and all service boards 10 are divided into one sub-interconnection. It is also possible to divide all interconnections between one switch board 20 and all service boards 10 into multiple sub-interconnections.

As shown in FIGS. 7 and 8 , the connection of the interconnection components 30 requires a total of M corresponding interconnection components. The interconnection board in the interconnection component 30 is made of an optical fiber flexible board.

The first connector 31 contained in the interconnection component 30 uses an optical signal connector to connect with the optical signal connector of the corresponding service board 10, and the second connector 32 contained in the interconnection component 30 is connected to the optical signal connector of the corresponding switch board 20. Optical signal connector.

Further, in order to reduce the area of the interconnection board of the optical fiber flexible board, the optical fiber material in the interconnection part 30 can adopt anti-microbending optical fiber material with a bending radius of less than 10mm, and the optical fiber flexible board can be curled into a cylindrical shape as shown in Figure 8 . This can reduce the depth requirements of the equipment and shorten the air duct. In addition, the interconnection plates in the interconnection component 30 may also be interconnected by optical fibers, and then a plurality of optical fibers are bundled into a cylindrical shape as shown in FIG. 8 .

In this embodiment, the interconnection component 30 may also include an interconnection board and connect with the service board 10 with an optical signal connector or a signal connector, and connect with the switch board 20 with an optical signal connector or an electrical signal connector.

In this embodiment, there are multiple service boards 10, and the multiple service boards 10 are arranged in parallel. Such setting can ensure a good ventilation channel among the plurality of service boards 10 .

Wherein, there are multiple switch boards 20 , and the multiple switch boards 20 are arranged in parallel, and the service board 10 is parallel to the switch boards 20 . Such setting can ensure a good ventilation channel between the multiple switching boards 20 . Also increased the service life of the present invention simultaneously. And there is a gap between adjacent service boards 10 and adjacent switching boards 20 .

As shown in FIG. 5 and FIG. 6 , in this embodiment, the service board 10 and the switching board 20 connected through the interconnection component 30 are parallel to each other, and the fixing frame 40 is fixedly arranged on the interconnection component 30 . Wherein, the setting distance between the plurality of service boards 10 and the switching boards 20 close to the service boards 10 is greater than the setting distance between the service boards 10 or the setting distance between the switching boards 20 . And the interconnection component 30 is connected to any first connector 31 . Alternatively, the interconnection component 30 is connected to any second connector 32 .

Further, as shown in FIG. 7, a plurality of fixing pieces 41 are arranged on the fixing frame 40, and a group of fixing pieces 41 in the vertical direction correspond to a sub-interconnection component of the interconnection component, and the plurality of fixing pieces 41 connect the business The board 10 and the switching board 20 are connected to the interconnection component 30 .

As shown in FIG. 8 , the interconnection component 30 in this embodiment is a rollable flexible board structure. Wherein, the interconnection component 30 of the flexible board structure can be rolled into a columnar structure interconnection component. In this way, the internal space of the communication switching equipment can be effectively reduced, and at the same time, the outlet of the air duct is enlarged, and the performance of the switching equipment is improved.

As shown in FIG. 2 , in this embodiment, multiple service boards 10 form a service board group, and multiple switching boards 20 form a switching board group, and the service board group is located at one side of the switching board group.

In the second embodiment of the present invention, multiple service boards 10 form a service board group, and multiple switching boards 20 form a switching board group, and the service board group is perpendicular to the switching board group.

Wherein, a plurality of interconnection components 30 are arranged in parallel on the same side of the service board 10 and the switching board 20 . Such setting can increase the connection strength between the service board 10 and the switch board 20 .

As shown in Figure 11, in this embodiment, a fixing frame 40 is also arranged between the interconnection component 30, the service board 10 and the switching board 20, and the fixing frame 40 is provided with a frame for fixing the service board 10 and the switching board. The fixing part 41 of the card 20, wherein the fixing part 41 is a card slot. Such setting further strengthens the connection strength between the service board 10 and the switching board 20 . This makes the present invention more safe and reliable to use. It can effectively increase the service life of communication switching equipment. Wherein, the fixing parts include optical fasteners or electrical fasteners docked with the service board 10, and optical fasteners or electrical fasteners docked with the switch board.

In this embodiment, all the interconnection components 30 correspond to the same fixing frame 40 . A fixing frame 40 is located in the middle of the device and fixes all the interconnection components 30 .

Wherein, the fixing frame 40 is centered, and the interconnection component 30 is inserted into the fixing frame 40 . The fan 50 is placed last. The air duct of the communication switching equipment adopts front air inlet and rear air outlet.

When it is necessary to change the direct interconnection relationship between the switch board 20 and the service board 10 in the device, it can be realized by directly replacing the interconnection component 30 with a different interconnection relationship or even a different material. For example, several waveguide embedded PCB boards can be replaced with fiber optic flexible boards.

Wherein, when the interconnection component 30 is made of a soft material, such as an optical fiber or an optical fiber flexible board, a fixing frame 40 needs to be added. In this embodiment, one fiber optic flexible board interconnection component 30 corresponds to one fixing frame 40 .

The frame of the fixed frame 40 is made of a hard material, such as metal or hard plastic. The interconnection component 30 is bound or fixed on the frame of the fixing frame 40 with screws.

The optical signal connector on the fiber optic flexible board is fixed at the fastener, and the connector is fixed at the fastener. The fastener may be the first connector 31 or the second connector 32, or may be a metal reinforcement.

In this embodiment, such setting can realize detachable connection between the service board 10 and the switching board 20 and the interconnection part 30, and also can directly insert the service board 10 and the switching board 20 into the card slot and connect with them. The wires provided inside the interconnection part 30 are in conduction. This setting is simple and convenient, can improve production efficiency and can also reduce maintenance costs, that is, when a broken service board 10 or exchange board 20 is to be replaced, it can be directly pulled out or inserted.

After the service board 10 is inserted into the device, the optical signal connector of the service board 10 is connected to the fastener. After the switching board 20 is inserted into the device, the optical signal connector of the switching board 20 is connected to the fastener. Then, the optical signals between the service card 10 and the switch card 20 are interconnected through the paths in the interconnection components.

As shown in FIG. 2 , the communication switching device includes a service board 10 and a switching board 20 , and both the service board 10 and the switching board 20 are inserted into the device from the front. The interconnection part 30 and the fixing frame 40 are placed as in FIG. 2 . There are many single boards from top to bottom of the equipment, and the distance is long. The air duct of the design equipment adopts front air inlet and rear air outlet, so the air duct is short and the air outlet is large. The blower fan 50 can be placed at the end to extract or blow air. It greatly improves the heat dissipation of the equipment, simplifies the interconnection design, and reduces the power consumption of the equipment. Wherein, the equipment service board 10 is inserted vertically in the equipment, and the switching board is inserted horizontally in the equipment.

As shown in FIG. 12 , the interconnection unit 30 provides interconnection between adjacent service boards and adjacent switching boards, as well as power supply connections.

As shown in FIG. 13 , in this embodiment, the division method is divided into N sub-interconnection relationships according to the different N service boards 10 . Each sub-interconnection is an interconnection between a service board and M switching boards. Therefore, the interconnection between the service board and the switch board requires N interconnection components 30 .

As shown in FIG. 8 , the connection of the interconnection components 30 requires a total of N corresponding interconnection components 30 . The interconnection board in the interconnection component 30 is made of a waveguide embedded PCB. The optical signal connector included in the interconnection component 30 corresponds to the optical signal connector of the service card 10 , and the optical signal connector included in the interconnection component 30 corresponds to the optical signal connector of the switch card 20 . The interconnection board adopts the waveguide embedded PCB board and can be directly fixed on the equipment frame.

In this embodiment, the communication switching equipment further includes a fan 50, the fan 50 is located on the opposite side of the service card 10 and the switch card 20, and a plurality of transverse air ducts are formed between the fan 50 and the service card 10 and the switch card 20 . This setting can greatly improve the heat dissipation of the device, simplify the interconnection design, and reduce the power consumption and cost of the device.

As shown in Figures 10 to 13, in the third embodiment of the present invention, the communication switching equipment also includes a fan 50, and the fan 50 is located on the opposite side of the service board 10 or the switching board 20, and the fan 50 and the service board 10 A plurality of transverse air ducts are formed between the switching board and the switching board 20 . This setting can greatly improve the heat dissipation of the device, simplify the interconnection design, and reduce the power consumption and cost of the device. Wherein, there can be multiple fans 50, and the fans 50 can be arranged above and below the communication switching device, or only at the upper or lower positions, so as to ensure that the communication switching device has good heat dissipation and ventilation performance.

In this embodiment, the service board 10 is provided with a third connector 11 , and the service board 10 is connected to the interconnection component 30 through the third connector 11 . A fourth connector 21 is disposed on the switching board 20 , and the switching board 20 is connected to the interconnection component 30 through the fourth connector 21 . Such setting is beneficial to have good conduction performance among the service board 10 , the switch board 20 and the interconnection component 30 .

Wherein, the interconnection component 30 is a rigid plate structure, a column structure or a rollable soft plate structure. The interconnection component 30 may also be an optical fiber flexible board, a polymer optical waveguide PCB board, or a photoelectric hybrid printed board for all-optical signal intercommunication. In this way, the internal space of the communication switching equipment can be effectively reduced, and at the same time, the outlet of the air duct is enlarged, and the performance of the switching equipment is improved.

From the above description, it can be seen that the above-mentioned embodiments of the present invention have achieved the following technical effects:

Applying the technical solution of the present invention, it includes a plurality of interconnection components, and the interconnection components are provided with a plurality of first connectors and a plurality of second connectors, and the interconnection components communicate with the service board through the first connectors and the second connectors respectively. The card is connected to the switch board. The mutual connection between the service board and the switching board is realized through multiple interconnection components, which improves the heat dissipation capability of the present invention, thereby reducing the power consumption and cost of the present invention.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (16)

1. A communication switching device, characterized in that, comprising: Service board (10); switch board (20); Interconnection part (30), described interconnection part (30) is a plurality of, and a plurality of first connectors (31) and a plurality of second connectors ( 32), the interconnection component (30) is connected to the service board (10) and the switching board (20) through the first connector (31) and the second connector (32) respectively connected. 2. The communication switching device according to claim 1, characterized in that, any one of the first connectors (31) in a plurality of the first connectors (31) is connected to a plurality of the second connectors (32) are connected, the service board (10) and the switching board (20) pass through the first connector (31) and/or the second connector (32) and the interconnect The wires provided in the connection part (30) are connected to exchange electrical and/or optical signals. 3. The communication switching device according to claim 2, characterized in that, a plurality of the first connectors (31) are in communication with each other, and a plurality of the second connectors (32) are in communication with each other. 4. The communication switching device according to claim 2, characterized in that there are multiple service boards (10), and the multiple service boards (10) are arranged in parallel. 5. communication switch equipment according to claim 4, is characterized in that, described switching board (20) is a plurality of, and a plurality of described switching boards (20) are arranged in parallel, and described service board ( 10) parallel to the switching board (20). 6. The communication switching device according to claim 5, characterized in that, a plurality of said service boards (10) form a service board group, and a plurality of said switching boards (20) form a switching board group, so The service board group is located on one side of the switching board group. 7. The communication switching device according to claim 4, characterized in that, a plurality of said service boards (10) form a service board group, said switching boards (20) are multiple, and a plurality of said switching boards The boards (20) form a switching board group, and the service board group is perpendicular to the switching board group. 8. The communication switching device according to claim 6 or 7, characterized in that, a plurality of interconnection components (30) are arranged in parallel between the service board (10) and the switching board (20) on the same side. 9. The communication switching device according to claim 7, characterized in that at least one is further arranged between the interconnection component (30) and the service board (10) and the switching board (20) A fixing frame (40), the fixing member (41) for fixing the service board (10) and the switching board (20) is arranged on the fixing frame (40). 10. The communication switching device according to claim 9, characterized in that, the fixing member (41) is a card slot. 11. The communication switching device according to claim 1, characterized in that, the communication switching device further comprises a fan (50), and the fan (50) is located between the service board (10) and the switching board On the opposite side of (20), a plurality of transverse air ducts are formed between the fan (50), the service board (10) and the switching board (20). 12. The communication switching device according to claim 1, characterized in that, the communication switching device further comprises a fan (50), and the fan (50) is located on the service board (10) or the switching board On the opposite side of (20), a plurality of transverse air ducts are formed between the fan (50), the service board (10) and the switching board (20). 13. The communication switching device according to claim 1, characterized in that, the service board (10) is provided with a third connector (11), and the service board (10) is connected through the third The device (11) is connected to the interconnection part (30). 14. The communication switching device according to claim 1, characterized in that, the switching board (20) is provided with a fourth connector (21), and the switching board (20) is connected through the fourth The device (21) is connected to the interconnection part (30). 15. The communication switching device according to claim 1, characterized in that, the interconnection component (30) is a hard plate structure, a column structure or a rollable soft plate structure. 16. The communication switching device according to claim 1, characterized in that, the interconnection component (30) is an optical fiber flexible board, a polymer optical waveguide PCB board or a photoelectric hybrid printed board for all-optical signal intercommunication.