WO2021008221A1

WO2021008221A1 - Frame-type device

Info

Publication number: WO2021008221A1
Application number: PCT/CN2020/090748
Authority: WO
Inventors: 王罗; 温海
Original assignee: 华为技术有限公司
Priority date: 2019-07-17
Filing date: 2020-05-18
Publication date: 2021-01-21
Also published as: CN210868472U

Abstract

Disclosed by the present application is a frame-type device, belonging to the technical field of electronics. The frame-type device comprises line processing units, a switch fabric unit, first connectors and second connectors, wherein the line processing units are connected with the first ends of the first connectors, the switch fabric unit is connected with the first ends of the second connectors, and the second ends of the first connectors are connected with the second ends of the second connectors. The plane where the line processing units are located, the plane where the switch fabric unit is located and a first plane are perpendicular to one another in pairs. The switch fabric unit comprises a first part and a second part, the line processing units and the first part of the switch fabric unit are located in the space at one side of the first plane, and the second part of the switch fabric unit is located in the space at the other side of the first plane. The present application can effectively reduce the chassis depth of the frame-type device, such that the chassis depth can be made smaller and may thus be adapted to an equipment cabinet having a small depth.

Description

Frame type equipment

Technical field

This application relates to the field of electronic technology, in particular to a frame type device.

Background technique

Frame-type equipment usually adopts an orthogonal architecture. The orthogonal architecture means that the Line Processing Unit (LPU) and the Switch Fabric Unit (SFU) are connected through orthogonal connectors. After the connection, the line card board is located. The plane of and the plane of the switching network board are perpendicular to each other. Orthogonal architecture can minimize the trace length between the line card board and the switching network board.

At present, as shown in Figure 1, the line card board is inserted horizontally on the front side of the chassis of the frame-type device through the orthogonal connector, and the switching network board is inserted vertically on the back of the chassis through the orthogonal connector, and the line card board and the switching network board pass through Orthogonal connectors form a compact orthogonal structure inside the chassis. In this orthogonal architecture, the line card boards are arranged horizontally on the front side of the chassis, and the switching network boards are arranged vertically on the rear side of the chassis. The depth of the chassis needs to be greater than the sum of the depth of the line card boards and the depth of the switching network boards.

The chassis of frame-type equipment is often placed in the cabinet provided by the operator. The cabinet is laid out in advance with the construction of the equipment room. Therefore, the chassis is required to adapt to the cabinet provided by the operator. However, in the above-mentioned orthogonal architecture, the depth of the chassis of the frame-type device needs to be greater than the sum of the depth of the line card board and the depth of the switching network board, which results in a large chassis depth and cannot adapt to a cabinet with a small depth.

Summary of the invention

The present application provides a frame-type device, which can solve the problem of the large depth of the chassis of the frame-type device in related technologies. The technical solution is as follows:

In one aspect, a frame-type device is provided, and the frame-type device includes: a line card board, a switching network board, a first connector, and a second connector.

The line card board is connected to the first end of the first connector, the switching network board is connected to the first end of the second connector, and the second end of the first connector is connected to the first end of the second connector. The second end of the two connectors is connected. The plane where the line card board is located, the plane where the switching network board is located, and the first plane are perpendicular to each other. The switching network board includes a first part and a second part, the line card board and the first part are located in a space on one side of the first plane, and the second part is located on the other side of the first plane In the space.

In the embodiment of this application, in the embodiment of this application, the line card board and the first part of the switching network board share space. In this case, the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board and the depth of the switching network board. The sum of the depths of the second part is compared with the solution in the related art where the depth of the chassis of the frame-type equipment needs to be greater than the sum of the depth of the line card board and the depth of the switching network board. The embodiment of the present application can effectively reduce the frame-type equipment The depth of the chassis allows the depth of the chassis to be changed from large to small, so that it can be adapted to a cabinet with a small depth.

Wherein, the depth of the first part may be smaller than the depth of the line card board. The height of the first part and the height of the second part may be the same or different. For example, the height of the first part may be smaller than the height of the second part.

Wherein, the second end of the first connector and the second end of the second connector may be directly connected; or, the second end of the first connector and the second end of the second connector It can be connected by a backplane. In this case, the frame-type device further includes a backplane, the second end of the first connector is connected to one side of the backplane, and the second connector The second end is connected to the other side of the backplane; or, the frame-type device may also include a cable; the second end of the first connector and the second end of the second connector pass through The cable connection.

Wherein, when the first part shares space with the line card board, if the number of the line card boards is at least two, the first part may be located on two adjacent lines of the at least two line card boards. In the gap between the cards.

Further, the frame-type equipment further includes a first fan, and the first part includes a heating device; the second part is located between the first plane and the second plane, and the second part is located on the first plane. In the space on one side of the two planes, the first fan is located in the space on the other side of the second plane; the first part is located between the air inlet of the frame-type equipment and the second part.

In the embodiment of the present application, the air inlet is placed in front, the first fan is placed behind, and then the first part is directly facing the air inlet, so that the heating elements in the first part can be arranged in the best place of the air duct. At this time, the air duct is from the air inlet to the first part, then from the first part to the second part, and finally from the second part to the first fan. In other words, the heat dissipation channel of the exchange screen is independent of the heat dissipation channel of the line card board. Specifically, the airflow entering from the air inlet directly reaches the first part, and then passes through the first part first, to the heating device in the first part After the heat is dissipated, the electronic devices in the second part are dissipated through the second part, and finally discharged by the first fan. Since the heating device in the first part is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, so the heat dissipation efficiency can be improved, so that the reliability of the frame-type device can be improved and energy consumption can be more saved.

Further, the frame-type equipment further includes a first fan and two fan fixing structural members, the first part includes a heating device; the second part is located in a space between the two fan fixing structural members; The first part is located between the air inlet of the frame-type device and the second part, and the first fan is located in at least one fan fixing structure of the two fan fixing structures.

In the embodiment of the present application, the air inlet is placed in front, the first fan is placed up or down, and the first part is directly facing the air inlet, so that the heating elements in the first part can be arranged in the best place of the air duct. At this time, the air duct is from the air inlet to the first part, then from the first part to the second part, and finally from the second part to the first fan. In other words, the heat dissipation channel of the exchange screen is independent of the heat dissipation channel of the line card board. Specifically, the airflow entering from the air inlet directly reaches the first part, and then passes through the first part first, to the heating device in the first part After the heat is dissipated, the electronic devices in the second part are dissipated through the second part, and finally discharged by the first fan. Since the heating device in the first part is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, so the heat dissipation efficiency can be improved, so that the reliability of the frame-type device can be improved and energy consumption can be more saved.

Further, the frame-type equipment further includes a second fan, and the first part includes a heating device; the second fan and the first part are located in a space on one side of the first plane, and the first part Located between the second fan and the second part.

In the embodiment of the present application, the second fan is placed in front, and then the first part is directly facing the second fan, so that the heat generating components in the first part can be arranged at the best place in the air duct. At this time, the air duct is from the second fan to the first part, and then from the first part to the second part. In other words, the heat dissipation channel of the switching network board is independent of the heat dissipation channel of the line card board. Specifically, the airflow generated by the second fan directly reaches the first part, and then passes through the first part to affect the heating components in the first part. After dissipating heat, it passes through the second part to dissipate the electronic devices in the second part. Since the heating device in the first part is closer to the second fan, it is more conducive to the heat dissipation of the heating device, and therefore the heat dissipation efficiency can be improved, thereby improving the reliability of the frame-type device and saving energy.

Further, the frame-type equipment further includes a first fan, and the switch screen plate further includes a third part; the second part is located between the first plane and the second plane, and the second part is located on the In the space on one side of the second plane, the third part and the first fan are located in the space on the other side of the second plane.

In the embodiment of this application, the first fan shares space with the third part of the switching network board. In this case, the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board and the depth of the second part of the switching network board. Compared with the sum of the depth of the first fan, the case depth of the frame-type device in the related art needs to be greater than the depth of the line card board, the depth of the switching network board and the depth of the first fan. The embodiment of the present application can Effectively reduce the depth of the chassis of the frame type equipment, so that the depth of the chassis can be changed from large to small, so that it can be adapted to a cabinet with a small depth.

Wherein, when the first fan and the third part share a space, if the number of the first fans is at least two, the third part is located in the adjacent two of the at least two first fans In the gap between the first fans.

Further, in order to dissipate the heat-generating components in the exchange screen, there may be multiple possible heat dissipation structures. In a possible heat dissipation structure, the first part includes a heating device, and the first part is located between the air inlet of the frame-type device and the second part. In another possible heat dissipation structure, the third part includes a heating element, and the third part is located between the air inlet of the frame-type device and the second part. In another possible heat dissipation structure, the frame-type device further includes a second fan, the first part includes a heating device, and the second fan and the first part are located in a space on one side of the first plane , And the first part is located between the second fan and the second part.

Further, in order to dissipate heat from the line card board, the line card board may be located between the air inlet of the frame-type device and the second part, and the second part may be located between the line card board and the second part. Between the first fans.

In this way, the air inlet is front and the first fan is rear. At this time, the air duct is from the air inlet to the line card board, and then from the line card board to the first fan through the second part. That is, the airflow entering from the air inlet first reaches the line card board, after dissipating heat from the line card board, passes through the second part to the first fan, and finally is discharged by the first fan.

In one aspect, a frame-type device is provided. The frame-type device includes: a line card board, a switching network board, a first connector, a second connector, and a first fan.

The line card board is connected to the first end of the first connector, the switching network board is connected to the first end of the second connector, and the second end of the first connector is connected to the first end of the second connector. The second ends of the two connectors are connected; the plane where the line card board is located, the plane where the switching network board is located, and the first plane are perpendicular to each other; the switching network board includes a first part and a second part, The line card board is located in a space on one side of the first plane, and the first part, the second part and the first fan are located in a space on the other side of the first plane; the second Part is located between the first plane and the second plane, the second part is located in a space on one side of the second plane, and the first part and the first fan are located on the other side of the second plane Inside the side space.

In the embodiment of this application, the first fan shares the space with the first part of the switching network board. In this case, the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board, the depth of the second part of the switching network board, and the The sum of the depth of the first fan is compared with the case where the depth of the chassis of the frame-type device in the related art needs to be greater than the depth of the line card board, the depth of the switching network board and the depth of the first fan. The embodiment of the present application can be effective Reduce the depth of the chassis of the frame-type equipment so that the depth of the chassis can be changed from large to small, so that it can be adapted to a cabinet with a smaller depth.

Wherein, the depth of the first part may be smaller than the depth of the first fan. The height of the first part and the height of the second part may be the same or different. For example, the height of the first part may be smaller than the height of the second part.

Wherein, when the first part shares a space with the first fan, if the number of the first fans is at least two, the first part may be located in two adjacent first fans among the at least two first fans. A gap between the fans.

Further, the first part includes a heating device, and the first part is located between the air inlet of the frame-type equipment and the second part.

In the embodiment of the present application, the air inlet is rearward, the first fan is rearward, and then the first part is directly facing the air inlet, so that the heating elements in the first part can be arranged in the best place of the air duct. At this time, the air duct is from the air inlet to the first part, then from the first part to the second part, and finally from the second part to the first fan. In other words, the heat dissipation channel of the exchange screen is independent of the heat dissipation channel of the line card board. Specifically, the airflow entering from the air inlet directly reaches the first part, and then passes through the first part first, to the heating device in the first part After the heat is dissipated, the electronic devices in the second part are dissipated through the second part, and finally discharged by the first fan. Since the heating device in the first part is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, so the heat dissipation efficiency can be improved, so that the reliability of the frame-type device can be improved and energy consumption can be more saved.

The technical solution provided in this application can at least bring about the following beneficial effects:

The frame type device includes a line card board, a switching network board, a first connector and a second connector. The line card board is connected to the first end of the first connector, the switching network board is connected to the first end of the second connector, and the second end of the first connector is connected to the second end of the second connector. The plane where the line card board is located, the plane where the switching network board is located, and the first plane are perpendicular to each other. The switching network board includes a first part and a second part. The line card board and the first part are located in a space on one side of the first plane, and the second part is located in a space on the other side of the first plane. In this case, the line card board and the first part of the switching network board share space, and the depth of the chassis of the frame-type device only needs to be greater than the sum of the depth of the line card board and the second part of the switching network board, which can effectively reduce The depth of the chassis of the frame-type equipment allows the depth of the chassis to be changed from large to small, so that it can be adapted to a cabinet with a small depth.

Description of the drawings

Figure 1 is a schematic structural diagram of a frame-type device provided by related technologies;

FIG. 2 is a schematic structural diagram of a first frame-type device provided by an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a second frame-type device provided by an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a switching network board provided by an embodiment of the present application;

FIG. 5 is a schematic diagram of a depth of a frame-type device provided by an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a third frame type device provided by an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a fourth frame-type device provided by an embodiment of the present application;

FIG. 8 is a schematic structural diagram of a fifth frame-type device provided by an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a sixth frame-type device provided by an embodiment of the present application;

FIG. 10 is a schematic structural diagram of a seventh frame-type device provided by an embodiment of the present application;

FIG. 11 is a schematic structural diagram of an eighth frame-type device provided by an embodiment of the present application;

FIG. 12 is a schematic structural diagram of a ninth frame-type device provided by an embodiment of the present application;

FIG. 13 is a schematic structural diagram of a tenth frame-type device provided by an embodiment of the present application;

FIG. 14 is a schematic structural diagram of an eleventh frame-type device provided by an embodiment of the present application;

15 is a schematic structural diagram of another switching network board provided by an embodiment of the present application;

FIG. 16 is a schematic diagram of another frame-type device provided by an embodiment of the present application;

Fig. 17 is a schematic structural diagram of a twelfth frame-type device provided by an embodiment of the present application.

Reference signs:

1: line card board, 2: switch network board, 31: first connector, 32: second connector, 4: first fan, 5: fan fixing structure, 6: second fan.

Detailed ways

The terms used in the implementation mode of this application are only used to explain the examples of this application, and are not intended to limit this application.

In order to make the objectives, technical solutions, and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

Before explaining the embodiments of the present application in detail, the application scenarios of the embodiments of the present application are described first.

With the rapid development of large-capacity frame-type equipment, various frame-type equipment suppliers widely apply orthogonal architectures. Orthogonal architecture means that the line card board and the switching network board are connected through orthogonal connectors. After the connection, the plane of the line card board and the plane of the switching network board are perpendicular to each other. The orthogonal architecture can connect the line card board and the switch The trace length between the stencils is kept to the shortest. The chassis of the frame equipment is placed in the cabinet provided by the operator. Commonly used cabinets have fixed dimensions such as 600*800, 600*1000, 600*1100, and 600*1200mm. Cabinets are laid out in advance with the construction of the equipment room, and the cabinets provided by equipment suppliers are required to adapt to the cabinets provided by operators. However, with the rapid increase in the capacity of frame-type equipment, the application of standard interfaces such as 100GE and 400GE, the physical link rate has increased to 56Gbps, the application and number of large-size switching chips have increased, and the design of line card boards and switching network boards has become more and more difficult. High, requiring larger printed circuit board, heat dissipation and fiber output space. The contradiction between the orthogonal structure and the depth of the frame-type equipment is becoming more and more prominent. How to reduce the depth of the frame-type equipment and improve the space utilization rate of the equipment room is of great significance to improving the product competitiveness of the frame-type equipment.

Fig. 2 is a schematic structural diagram of a frame-type device provided by an embodiment of the present application. Referring to FIG. 2, the frame type device includes: a line card board 1, a switching network board 2, a first connector 31 and a second connector 32.

The line card board 1 is connected to the first end of the first connector 31, the switching network board 2 is connected to the first end of the second connector 32, and the second end of the first connector 31 is connected to the second end of the second connector 32.端连接。 End connection. The plane where the line card board 1 is located, the plane where the switching network board 2 is located, and the first plane are perpendicular to each other. The switching network board 2 includes a first part 21 and a second part 22. The line card board 1 and the first part 21 are located in a space on one side of the first plane, and the second part 22 is located in a space on the other side of the first plane.

It should be noted that the line card board 1 is used to provide an actual service interface to receive service data transmitted by an external data source. The switching network board 2 is used for data exchange between various line card boards 1, that is, one line card board 1 can transmit data to another line card board 1 through the switching network board 2.

In addition, the number of line card boards 1 can be one or more. When the number of line card boards 1 is multiple, multiple line card boards 1 can be arranged in parallel, that is, each line card board of the multiple line card boards 1 1 The planes are parallel to each other. Similarly, the number of switching network boards 2 can be one or more. When the number of switching network boards 2 is multiple, multiple switching network boards 2 can be arranged in parallel, that is, each switching network of the multiple switching network boards 2 The planes on which the plates 2 are located are parallel to each other.

Furthermore, when the number of line card boards 1 is multiple, and the number of switching network boards 2 is also multiple, the number of first connectors 31 can be multiple, and the number of second connectors 32 can also be Multiple. In this case, the multiple first connectors 31 may be arranged in multiple rows and multiple columns, and the multiple second connectors 32 may also be arranged in multiple rows and multiple columns. At this time, one of the multiple line card boards 1 can be connected to the first end of each first connector 31 in the row of first connectors 31, and one of the multiple switch network boards 2 2 It can be connected to the first end of each second connector 32 in a row of second connectors 32, and the second ends of multiple first connectors 31 and the second ends of multiple second connectors 32 are a pair One connection.

For example, as shown in FIG. 2, the plurality of first connectors 31 and the plurality of second connectors 32 are all arranged in the form of multiple rows and multiple columns. The positions of the multiple first connectors 31 and the multiple second connectors The positions of 32 are in one-to-one correspondence, and the second end of each first connector 31 of the plurality of first connectors 31 is connected to the second end of one second connector 32 corresponding to the position. Each line card board 1 of the plurality of line card boards 1 is connected to the first end of one row of first connectors 31 of the plurality of rows of first connectors 31, and the plurality of line card boards 1 are connected to the first end of the plurality of rows of first connectors 31 After the connectors 31 are connected, they are arranged horizontally in turn. Each of the multiple switching network boards 2 is connected to the first end of a second connector 32 of the multiple rows of second connectors 32, and the multiple switching network boards 2 After being connected to multiple rows of second connectors 32, they are arranged vertically in sequence.

It should be noted that the plane where the line card board 1 is located, the plane where the switching network board 2 is located, and the first plane are perpendicular to each other. In this way, the line card board 1 and the switching network board 2 can form an orthogonal architecture to control the wiring length between the line card board 1 and the switching network board 2 to the shortest.

In addition, the second end of the first connector 31 and the second end of the second connector 32 can be directly connected. For example, the first connector 31 can be a male elbow connector, and the second connector 32 can be a female elbow connector. At this time, the first connector 31 and the second connector 32 can be directly connected. Alternatively, the second end of the first connector 31 and the second end of the second connector 32 may be connected by a backplane. In this case, the frame-type device may also include a backplane, and the second end of the first connector 31 The two ends are connected to one side of the backplane, and the second end of the second connector 32 is connected to the other side of the backplane. At this time, the first plane is the plane where the backplane is located. Or, referring to Figure 3, the frame-type device may also include a cable, and the second end of the first connector 31 and the second end of the second connector 32 may be connected by the cable, so that the line card board 1 and the switching network board can be improved. Data transfer rate between 2.

Furthermore, connectors may be provided on one side of the backplane and the other side of the backplane. When the second end of the first connector 31 is connected to one side of the backplane, the first connector 31 The second end can be connected to a connector provided on one side of the backplane. When the second end of the second connector 32 is connected to the other side of the backplane, the second end of the second connector 32 can be connected to a connector provided on the other side of the backplane. Of course, in practical applications, the second end of the first connector 31 can also be connected to one side of the backplane in other ways, and the second end of the second connector 32 can also be connected to the other side of the backplane in other ways. The side plate surface connection is not limited in the embodiment of the present application.

It should be noted that the switching network board 2 includes a first part 21 and a second part 22, and the depth of the first part 21 may be less than or equal to the depth of the line card board 1. The height of the first part 21 and the height of the second part 22 may be the same or different. For example, the height of the first part 21 may be smaller than the height of the second part 22. For example, as shown in FIG. 4, the exchange screen 2 may have a convex structure, wherein the protruding part in the exchange screen 2 may be the first part 21, and the other part except the protruding part may be the second part 22 .

In addition, the line card board 1 and the first part 21 of the switching network board 2 are located in the space on one side of the first plane, and the second part 22 of the switching network board 2 is located in the space on the other side of the first plane. For example, as shown in FIG. 2, when the number of line card boards 1 is at least two, the first part 21 may be located in the gap between two adjacent line card boards 1 of the at least two line card boards 1. , The line card board 1 and the first part 21 can be located in the space on one side of the first plane. In addition, when the second end of the first connector 31 and the second end of the second connector 32 are connected through the back plate, a hole can be made on the back plate, and the first part 21 can pass through the hole to connect with the wire. The card board 1 is located in a space on one side of the first plane.

In the embodiment of this application, the line card board 1 and the first part 21 of the switch network board 2 share space. In this case, the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board 1 and the second part of the switch network board 2. The sum of the depths of the part 22 is compared with the scheme in the related art where the depth of the chassis of the frame-type device needs to be greater than the sum of the depth of the line card board and the depth of the switching network board. The embodiment of the present application can effectively reduce the chassis of the frame-type device. Depth, so that the depth of the chassis can be changed from large to small, so that it can be adapted to a cabinet with a small depth.

For example, the size of the chassis of the frame-type device provided by the embodiment of the present application is shown in FIG. 5, the switching network board 2 has a convex structure, and the first part 21 of the switching network board 2 is a protruding part, which is connected to the line card board. 1 Shared space. The depth of the line card board 1 (the first depth) + the total depth of the first connector 31 and the second connector 32 (the second depth) + the depth of the second part 22 of the exchange screen 2 (depth 2) is the frame The depth of the chassis of the type device. The depth of the chassis of the existing frame-type equipment includes the depth of the first part 21 (depth 1), so the depth 1 is the depth saved by the application. In this way, the depth of the chassis of the frame-type equipment can be effectively reduced, so that the installation of shallow cabinets can be realized, the layout space of the computer room can be saved, more equipment can be arranged in the computer room, the utilization rate of the computer room can be improved, and the product can be more competitive Advantage.

Among them, the switching network board 2 may include multiple electronic devices, such as switching chips, power bricks, and a central processing unit (CPU) small system. The switching network board 2 may also include a printed circuit board ( Printed Circuit Board, PCB), these electronic devices can be assembled through PCB. The switching chip is used to realize the data exchange between each line card board 1, the power supply is dedicated to provide power for the switching network board 2, the small CPU system is used to manage the switching network board 2, and the PCB is used for the high speed of the switching network board 2. The link provides the physical carrier. These electronic devices may include a heating device, and the heating device may be a device that generates a large amount of heat and a higher temperature during operation, for example, the heating device may be an exchange chip. In order to dissipate heat from the heating device, the heating device may be arranged in the first part 21. Further, if the exchange screen 2 includes a plurality of heating devices, at least one heating device of the plurality of heating devices may be arranged in the first part 21, and the plurality of heating devices except for the at least one heating device The other heat-generating devices are arranged in the area adjacent to the first part 21 in the second part 22. In addition, other electronic components other than the heating components in the exchange screen 2 may also be arranged in the second part 22.

For example, as shown in Fig. 4, the switching network board 2 includes a PCB, two switching chips, a power brick and a small CPU system, and the two switching chips, a power brick and a small CPU system are all carried on the PCB. One of the two exchange chips may be arranged in the first part 21, that is, one exchange chip may be included in the first part 21. Another switch chip is placed in the second part 22 adjacent to the first part 21, and the power brick and CPU system are also placed in the second part 22, that is, the second part 22 includes a switch chip, power supply Brick and CPU small system.

In this case, in order to dissipate the heat-generating components in the exchange screen 2, the following three heat dissipation structures can be provided.

The first heat dissipation structure: as shown in FIG. 6, the frame-type equipment may further include a first fan 4, and the first part 21 may include a heating device. The second portion 22 is located between the first plane and the second plane, the second portion 22 is located in the space on one side of the second plane, the first fan 4 is located in the space on the other side of the second plane, and the first portion 21 is located in the frame. Between the air inlet of the type device and the second part 22.

It should be noted that the first fan 4 is a device that uses the cooling principle of air convection and negative pressure ventilation, and the air can be blown by convection from the air inlet to the first fan 4.

In addition, in the embodiment of the present application, the air inlet is front, the first fan 4 is rear, and then the first part 21 is directly facing the air inlet, so that the heating elements in the first part 21 can be arranged at the best place in the air duct . At this time, the air duct is from the air inlet to the first part 21, then from the first part 21 to the second part 22, and finally from the second part 22 to the first fan 4. That is, the heat dissipation channel of the switch screen 2 is a heat dissipation channel independent of the line card board 1. Specifically, the airflow entering from the air inlet directly reaches the first part 21, and then passes through the first part 21. After the heat-generating device in 21 dissipates heat, it passes through the second part 22 to dissipate the electronic devices in the second part 22, and is finally discharged by the first fan 4. Since the heating device in the first part 21 is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, and thus the heat dissipation efficiency can be improved, thereby improving the reliability of the frame-type device and saving energy.

Furthermore, the position where the first part 21 and the second part 22 are connected can be any position of the second part 22. For example, as shown in FIG. 6, the connecting position of the first part 21 and the second part 22 may be the middle position of the second part 22. At this time, the heating device in the first part 21 is routed to the second connectors 32 on both sides. It can be symmetrical to control the length of the trace to the shortest. In this case, the air enters from the air inlet in the middle of the chassis, passes through the first part 21 and reaches the second part 22, and then reaches the first fan 4 from the areas on both sides of the second part 22. In this way, a heat dissipation channel is formed for air intake in the middle of the front side of the chassis and air exit on both sides of the rear side of the chassis, and the heating elements are arranged near the air inlet. In this way, the heat dissipation efficiency of the frame-type device can be further improved.

The second heat dissipation structure: as shown in FIG. 7 or FIG. 8, the frame-type equipment may further include a first fan 4 and two fan fixing structural members 5, and the first part 21 includes a heating device. The second part 22 is located in the space between the two fan fixing structural members 5; the first part 21 is located between the air inlet of the frame-type equipment and the second part 22, and the first fan 4 is located in the two fan fixing structural members 5. At least one fan in the fixed structure 5 in.

It should be noted that the first fan 4 is a device that uses the cooling principle of air convection and negative pressure ventilation, and the air can be blown by convection from the air inlet to the first fan 4. The two fan fixing structures 5 can support the switching net board 2 and limit the up and down positions of the switching net board 2. The number of the first fan 4 may be one or more. When the number of the first fan 4 is one, the first fan 4 may be located in any one of the two fan fixing structures 5, When the number of first fans 4 is multiple, at least one first fan 4 of the multiple first fans 4 is located in one of the two fan fixing structures 5, and the multiple first fans 4 The other first fans 4 except the at least one first fan 4 may be located in the other fan fixing structure 5 of the two fan fixing structures 5.

In addition, in the embodiment of the present application, the air inlet is placed in front, the first fan 4 is placed up or down, and then the first part 21 is directly facing the air inlet, so that the heating elements in the first part 21 can be arranged in the air duct Best place. At this time, the air duct is from the air inlet to the first part 21, then from the first part 21 to the second part 22, and finally from the second part 22 to the first fan 4. That is, the heat dissipation channel of the switch screen 2 is a heat dissipation channel independent of the line card board 1. Specifically, the airflow entering from the air inlet directly reaches the first part 21, and then passes through the first part 21. After the heat-generating device in 21 dissipates heat, it passes through the second part 22 to dissipate the electronic devices in the second part 22, and is finally discharged by the first fan 4. Since the heating device in the first part 21 is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, and thus the heat dissipation efficiency can be improved, thereby improving the reliability of the frame-type device and saving energy.

Furthermore, the position where the first part 21 and the second part 22 are connected can be any position of the second part 22.

For example, when the first fan 4 is provided in the two fan fixing structures 5, as shown in FIG. 7, the position where the first part 21 and the second part 22 are connected may be the middle position of the second part 22. The wiring from the heating element in the first part 21 to the second connectors 32 on both sides may be symmetrically routed to minimize the wiring length. In this case, the air enters from the air inlet in the middle of the chassis, passes through the first part 21 to the second part 22, and then reaches the first fan 4 from both sides of the second part 22 to discharge the air. In this way, a heat dissipation channel is formed for the air in the middle of the front side of the chassis and the air is discharged from both ends of the rear side of the chassis, and the heating elements are arranged near the air inlet. In this way, the heat dissipation efficiency of the frame-type equipment can be further improved.

For another example, when only one of the two fan fixing structures 5 is provided with the first fan 4, as shown in FIG. 8, the position where the first part 21 and the second part 22 are connected may be the second The part 22 is close to the other fan fixing structure 5. In this case, the air enters from the air inlet on the lower (or upper) side of the chassis, passes through the first part 21 to the second part 22, and from the second part 22 to the upper fan fixing structure 5 (or lower fan fixing structure) 5) The first fan 4 vents. In this way, a heat dissipation channel is formed for the lower (or upper) side of the front side of the chassis to enter the air, and the top (or bottom end) of the rear side of the chassis is provided with a heat dissipation channel.

The third heat dissipation structure: as shown in FIG. 9, the frame-type equipment further includes a second fan 6, and the first part 21 also includes a heating device. The second fan 6 and the first part 21 are located in a space on one side of the first plane, and the first part is located between the second fan 6 and the second part 22.

It should be noted that the second fan 6 is a device that is driven by electricity to generate airflow.

In addition, in the embodiment of the present application, the second fan 6 is placed in front, and then the first part 21 is directly facing the second fan 6, so that the heat generating components in the first part 21 can be arranged at the best place in the air duct. At this time, the air duct is from the second fan 6 to the first part 21 and then from the first part 21 to the second part 22. That is, the heat dissipation channel of the switching network board 2 is independent of the heat dissipation channel of the line card board 1. Specifically, the airflow generated by the second fan 6 directly reaches the first part 21, and then passes through the first part 21. After the heat-generating components in the part 21 dissipate heat, they then pass through the second part 22 to dissipate the electronic components in the second part 22. Since the heating device in the first part 21 is closer to the second fan 6, it is more conducive to the heat dissipation of the heating device, and therefore the heat dissipation efficiency can be improved, thereby improving the reliability of the frame-type device and saving energy.

Further, in the embodiment of the present application, not only the part of the switching network board 2 and the line card board 1 can share space, but also the part of the switching network board 2 and the first fan 4 can share the space. Specifically, referring to FIG. 10, the frame-type device may further include a first fan 4, and the switching network board 2 may further include a third part 23; the second part 22 is located between the first plane and the second plane, and the second part 22 It is located in the space on one side of the second plane, and the third part 23 and the first fan 4 are located in the space on the other side of the second plane.

In addition, the switching network board 2 includes a first part 21, a second part 22 and a third part 23. The depth of the third part 23 may be less than or equal to the depth of the first fan 4. The height of the third part 23 and the height of the second part 22 may be the same or different. For example, the height of the third part 23 may be smaller than the height of the second part 22. For example, as shown in FIG. 10, the exchange screen 2 may have a front and rear convex structure, wherein the front protruding part of the exchange screen 2 may be the first part 21, and the rear protrusion may be the third part 23, except for the front and rear protrusions. The part other than the protruding part may be the second part 22.

Furthermore, the second part 22 of the switching screen 2 is located in a space on one side of the second plane, and the third part 23 and the first fan 4 are located in a space on the other side of the second plane. For example, as shown in FIG. 10, when the number of the first fans 4 is at least two, the third part 23 may be located in a gap between two adjacent first fans 4 among the at least two first fans 4. In this way, the first fan 4 and the third part 23 can be located in the space on the other side of the second plane.

In the embodiment of this application, the first fan 4 shares space with the third part 23 of the switching network board 2. In this case, the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board 1 and the second part of the switching network board 2. The sum of the depth of the second part 22 and the depth of the first fan 4 is larger than the sum of the depth of the line card board, the depth of the switching network board and the depth of the first fan compared to the case depth of the frame type equipment in the related art The embodiment of the present application can effectively reduce the depth of the chassis of the frame-type device, so that the depth of the chassis can be changed from large to small, so that the cabinet with a small depth can be adapted.

In this case, in order to dissipate the heat-generating components in the exchange screen 2, there may be multiple possible heat dissipation structures. In a possible heat dissipation structure, as shown in FIG. 11, the first part 21 includes a heating device, and the first part 21 is located between the air inlet of the frame-type equipment and the second part 22. In another possible heat dissipation structure, as shown in FIG. 12, the third part 23 includes a heating device, and the third part 23 is located between the air inlet of the frame-type device and the second part 22. In yet another possible heat dissipation structure, as shown in FIG. 13, the frame-type device further includes a second fan 6, and the first part 21 includes a heating device; the second fan 6 and the first part 21 are located in a space on one side of the first plane The first part 21 is located between the second fan 6 and the second part 22.

In this case, in order to dissipate the heat of the line card board 1, the line card board 1 can be located between the air inlet of the frame-type device and the second part 22, which is located between the line card board 1 and the first fan 4. between. In this way, the air inlet is placed in the front and the first fan 4 is placed in the back. At this time, the air duct is from the air inlet to the line card board 1, and then from the line card board 1 to the first fan 4 through the second part 22. That is, the airflow entering from the air inlet first reaches the line card board 1, after dissipating the line card board 1, then passes through the second part 22 to the first fan 4, and finally is discharged by the first fan 4.

In the embodiment of the present application, the frame-type device includes a line card board 1, a switching network board 2, a first connector 31, and a second connector 32. The line card board 1 is connected to the first end of the first connector 31, the switching network board 2 is connected to the first end of the second connector 32, and the second end of the first connector 31 is connected to the second end of the second connector 32.端连接。 End connection. The plane where the line card board 1 is located, the plane where the switching network board 2 is located, and the first plane are perpendicular to each other. The switching network board 2 includes a first part 21 and a second part 22. The line card board 1 and the first part 21 are located in a space on one side of the first plane, and the second part 22 is located in a space on the other side of the first plane. In this case, the line card board 1 and the first part 21 of the switching network board 2 share space, and the depth of the chassis of the frame device only needs to be greater than the sum of the depth of the line card board 1 and the second part 22 of the switching network board 2. In this way, the depth of the chassis of the frame-type equipment can be effectively reduced, so that the depth of the chassis can be changed from large to small, so that the cabinet with a smaller depth can be adapted.

FIG. 14 is a schematic structural diagram of a frame-type device provided by an embodiment of the present application. Referring to FIG. 14, the frame-type device includes a line card board 1, a switching network board 2, a first connector 31, a second connector 32 and a first fan 4.

The line card board 1 is connected to the first end of the first connector 31, the switching network board 2 is connected to the first end of the second connector 32, and the second end of the first connector 31 is connected to the second end of the second connector 32.端连接。 End connection. The plane where the line card board 1 is located, the plane where the switching network board 2 is located, and the first plane are perpendicular to each other. The switching network board 2 includes a first part 21 and a second part 22. The line card board 1 is located in the space on one side of the first plane, and the first part 21, the second part 22 and the first fan 4 are located in the space on the other side of the first plane. Inside. The second portion 22 is located between the first plane and the second plane, the second portion 22 is located in a space on one side of the second plane, and the first portion 21 and the first fan 4 are located in a space on the other side of the second plane.

For example, as shown in FIG. 14, the plurality of first connectors 31 and the plurality of second connectors 32 are all arranged in the form of multiple rows and multiple columns. The positions of the multiple first connectors 31 and the multiple second connectors The positions of 32 are in one-to-one correspondence, and the second end of each first connector 31 of the plurality of first connectors 31 is connected to the second end of one second connector 32 corresponding to the position. Each line card board 1 of the plurality of line card boards 1 is connected to the first end of one row of first connectors 31 of the plurality of rows of first connectors 31, and the plurality of line card boards 1 are connected to the first end of the plurality of rows of first connectors 31 After the connectors 31 are connected, they are arranged horizontally in turn. Each of the multiple switching network boards 2 is connected to the first end of a second connector 32 of the multiple rows of second connectors 32, and the multiple switching network boards 2 After being connected to multiple rows of second connectors 32, they are arranged vertically in sequence.

In addition, the second end of the first connector 31 and the second end of the second connector 32 can be directly connected. For example, the first connector 31 can be a curved connector, and the second connector 32 can be a female connector. At this time, the first connector 31 and the second connector 32 can be directly connected. Alternatively, the second end of the first connector 31 and the second end of the second connector 32 may be connected by a backplane. In this case, the frame-type device may also include a backplane, and the second end of the first connector 31 The two ends are connected to one side of the backplane, and the second end of the second connector 32 is connected to the other side of the backplane. At this time, the first plane is the plane where the backplane is located. Alternatively, the frame-type device may further include a cable, and the second end of the first connector 31 and the second end of the second connector 32 may be connected by the cable, thereby improving the connection between the line card board 1 and the switching network board 2. Data transfer rate.

It should be noted that the switching network board 2 includes a first part 21 and a second part 22, and the depth of the first part 21 may be smaller than the depth of the first fan 4. The height of the first part 21 and the height of the second part 22 may be the same or different. For example, the height of the first part 21 may be smaller than the height of the second part 22. For example, as shown in FIG. 15, the exchange screen 2 may have a convex structure, wherein the protruding part in the exchange screen 2 may be the first part 21, and the other part except the protruding part may be the second part 22 .

In addition, the second part 22 of the switching screen 2 is located in a space on one side of the second plane, and the first part 21 of the switching screen 2 and the first fan 4 are located in a space on the other side of the second plane. For example, as shown in FIG. 14, when the number of the first fans 4 is at least two, the first part 21 may be located in the gap between two adjacent first fans 4 among the at least two first fans 4, so , The first fan 4 and the first part 21 can be located in the space on the other side of the second plane.

In the embodiment of the present application, the first fan 4 shares space with the first part 21 of the switching network board 2. In this case, the depth of the chassis of the frame device only needs to be greater than the depth of the line card board 1 and the second part of the switching network board 2. The sum of the depth of the portion 22 and the depth of the first fan 4 is compared with the case where the depth of the chassis of the frame type device in the related art needs to be greater than the depth of the line card board, the depth of the switch board and the depth of the first fan. The embodiments of the present application can effectively reduce the depth of the chassis of the frame-type device, so that the depth of the chassis can be changed from large to small, so that the cabinet with a small depth can be adapted.

For example, the size of the chassis of the frame-type device provided by the embodiment of the application is shown in FIG. 16, the switching network board 2 has a convex structure, and the first part 21 of the switching network board 2 is a protruding part, and the protruding part is connected to the first fan. 4 share space. The depth of the line card board 1 (the first depth) + the total depth of the first connector 31 and the second connector 32 (the second depth) + the depth of the second part 22 of the exchange screen 2 (depth 2) + the first The depth (third depth) of the fan 4 is the depth of the chassis of the frame-type device. The depth of the chassis of the existing frame-type equipment includes the depth of the first part 21 (depth 1), so the depth 1 is the depth saved by the application. In this way, the depth of the chassis of the frame-type equipment can be effectively reduced, so that the installation of shallow cabinets can be realized, the layout space of the computer room can be saved, more equipment can be arranged in the computer room, the utilization rate of the computer room can be improved, and greater competition for products Advantage.

The switching network board 2 may include multiple electronic devices, such as switching chips, power bricks, and small CPU systems. The switching network board 2 may also include a PCB, and these electronic devices can be assembled through the PCB. The switching chip is used to realize the data exchange between each line card board 1, the power brick is used to provide power for the switching network board 2, the small CPU system is used to manage the switching network board 2, and the PCB is used for the switching network board 2. The high-speed link provides the physical carrier. These electronic devices may include a heating device, and the heating device may be a device that generates a large amount of heat and a higher temperature during operation, for example, the heating device may be an exchange chip. In order to dissipate heat from the heating device, the heating device may be arranged in the first part 21. Further, if the exchange screen 2 includes a plurality of heating devices, at least one heating device of the plurality of heating devices may be arranged in the first part 21, and the plurality of heating devices except for the at least one heating device The other heat-generating devices are arranged in the area adjacent to the first part 21 in the second part 22. In addition, other electronic components other than the heating components in the exchange screen 2 may also be arranged in the second part 22.

For example, as shown in FIG. 15, the switching network board 2 includes a PCB, two switching chips, a power brick, and a small CPU system, and two switching chips, a power brick and a small CPU system are all carried on the PCB. One of the two exchange chips may be arranged in the first part 21, that is, one exchange chip may be included in the first part 21. Another switch chip is placed in the second part 22 adjacent to the first part 21, and the power brick and CPU system are also placed in the second part 22, that is, the second part 22 includes a switch chip, power supply Brick and CPU small system.

In this case, in order to dissipate heat from the heating elements in the exchange screen 2, as shown in FIG. 17, the first part 21 includes heating elements, and the first part 21 is located between the air inlet of the frame-type equipment and the second part 22 .

In addition, in the embodiment of the present application, the air inlet is placed behind, the first fan 4 is placed behind, and then the first part 21 is directly facing the air inlet, so that the heating elements in the first part 21 can be arranged at the best place in the air duct. . At this time, the air duct is from the air inlet to the first part 21, then from the first part 21 to the second part 22, and finally from the second part 22 to the first fan 4. That is, the heat dissipation channel of the switch screen 2 is a heat dissipation channel independent of the line card board 1. Specifically, the airflow entering from the air inlet directly reaches the first part 21, and then passes through the first part 21. After the heat-generating device in 21 dissipates heat, it passes through the second part 22 to dissipate the electronic devices in the second part 22, and is finally discharged by the first fan 4. Since the heating device in the first part 21 is closer to the air inlet, it is more conducive to the heat dissipation of the heating device, and thus the heat dissipation efficiency can be improved, thereby improving the reliability of the frame-type device and saving energy.

Furthermore, the position where the first part 21 and the second part 22 are connected can be any position of the second part 22. For example, as shown in Fig. 11, the position where the first part 21 and the second part 22 meet can be the middle position of the second part 22. In this case, the air is taken in from the air inlet in the middle of the chassis and passes through the first part 21. After the second part 22, the area on both sides of the second part 22 reaches the first fan 4 to discharge wind. In this way, a heat dissipation channel is formed for the air in the middle of the rear side of the chassis and the air is discharged on both sides of the rear side of the chassis, and the heating elements are arranged near the air inlet. In this way, the heat dissipation efficiency of the frame type device can be further improved.

In the embodiment of the present application, the frame-type device includes a line card board 1, a switching network board 2, a first connector 31, a second connector 32 and a first fan 4. The line card board 1 is connected to the first end of the first connector 31, the switching network board 2 is connected to the first end of the second connector 32, and the second end of the first connector 31 is connected to the second end of the second connector 32.端连接。 End connection. The plane where the line card board 1 is located, the plane where the switching network board 2 is located, and the first plane are perpendicular to each other. The switching network board 2 includes a first part 21 and a second part 22. The line card board 1 is located on a side of the first plane. In the side space, the first part 21, the second part 22 and the first fan 4 are located in the other side space of the first plane. The second portion 22 is located between the first plane and the second plane, the second portion 22 is located in a space on one side of the second plane, and the first portion 21 and the first fan 4 are located in a space on the other side of the second plane. In this case, the first fan 4 shares the space with the first part 21 of the switching network board 2, and the depth of the chassis of the frame-type device only needs to be greater than the depth of the line card board 1, the depth of the second part 22 of the switching network board 2 and the first The sum of the depths of a fan 4 can effectively reduce the depth of the chassis of the frame-type device, so that the depth of the chassis can be changed from large to small, so that it can be adapted to a cabinet with a smaller depth.

It should be noted that the foregoing modular device may be an electronic device with an orthogonal architecture. For example, the modular device may be a router, a box switch, or a modular switch, which is not limited in the embodiment of the present application.

The above-mentioned examples provided for this application are not intended to limit this application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application. Inside.

Claims

A frame-type device, characterized by comprising: a line card board, a switching network board, a first connector and a second connector;

The line card board is connected to the first end of the first connector, the switching network board is connected to the first end of the second connector, and the second end of the first connector is connected to the first end of the second connector. The second end of the second connector is connected;

The plane on which the line card board is located, the plane on which the switching network board is located, and the first plane are perpendicular to each other in pairs;

The switching network board includes a first part and a second part, the line card board and the first part are located in a space on one side of the first plane, and the second part is located on the other side of the first plane In the space.
The frame-type device according to claim 1, wherein the height of the first part is smaller than the height of the second part.
The frame-type device according to claim 1, wherein the frame-type device further comprises a cable;

The second end of the first connector and the second end of the second connector are connected by the cable.
The frame-type device according to claim 1, wherein the frame-type device further comprises a backplane;

The second end of the first connector is connected to one side of the back plate, and the second end of the second connector is connected to the other side of the back plate.
The frame type device of claim 1, wherein the number of the line card boards is at least two, and the first part is located between two adjacent line card boards in the at least two line card boards. In the gap.
5. The frame-type equipment according to any one of claims 1 to 5, wherein the frame-type equipment further comprises a first fan, and the first part includes a heating element;

The second part is located between the first plane and the second plane, the second part is located in a space on one side of the second plane, and the first fan is located on the other side of the second plane In space

The first part is located between the air inlet of the frame-type equipment and the second part.
The frame-type device according to any one of claims 1 to 5, wherein the frame-type device further comprises a first fan and two fan fixing structural members, and the first part includes a heating element;

The second part is located in the space between the two fan fixing structures;

The first part is located between the air inlet of the frame-type device and the second part, and the first fan is located in at least one fan fixing structure of the two fan fixing structures.
The frame-type device according to any one of claims 1 to 5, wherein the frame-type device further comprises a second fan, and the first part includes a heating device;

The second fan and the first part are located in a space on one side of the first plane, and the first part is located between the second fan and the second part.
5. The frame-type device according to any one of claims 1-5, wherein the frame-type device further comprises a first fan, and the switching network board further comprises a third part;

The second portion is located between the first plane and the second plane, the second portion is located in a space on one side of the second plane, and the third portion and the first fan are located on the first plane. In the space on the other side of the two planes.
The frame-type device according to claim 9, wherein the number of the first fans is at least two, and the third part is located between two adjacent first fans among the at least two first fans In the gap.
9. The frame-type device according to claim 9, wherein the first part includes a heating device;

The first part is located between the air inlet of the frame-type equipment and the second part.
9. The frame-type equipment according to claim 9, wherein the third part includes a heating device;

The third part is located between the air inlet of the frame-type equipment and the second part.
9. The frame-type device according to claim 9, wherein the frame-type device further comprises a second fan, and the first part includes a heating device;

The second fan and the first part are located in a space on one side of the first plane, and the first part is located between the second fan and the second part.
The frame type device of claim 9, wherein the line card board is located between the air inlet of the frame type device and the second part, and the second part is located between the line card board and the second part. Between the first fans.
A frame type device, characterized by comprising: a line card board, a switching network board, a first connector, a second connector and a first fan;

The line card board is connected to the first end of the first connector, the switching network board is connected to the first end of the second connector, and the second end of the first connector is connected to the first end of the second connector. The second end of the second connector is connected;

The plane on which the line card board is located, the plane on which the switching network board is located, and the first plane are perpendicular to each other in pairs;

The switching network board includes a first part and a second part, the line card board is located in a space on one side of the first plane, and the first part, the second part and the first fan are located in the first plane. In the space on the other side of a plane;

The second part is located between the first plane and the second plane, the second part is located in a space on one side of the second plane, and the first part and the first fan are located in the second plane. In the space on the other side of the plane.
The frame-type device according to claim 15, wherein the height of the first part is smaller than the height of the second part.
The frame-type device of claim 15, wherein the frame-type device further comprises a cable;

The second end of the first connector and the second end of the second connector are connected by the cable.
The frame type device according to claim 15, wherein the frame type device further comprises a back plate;

The second end of the first connector is connected to one side of the back plate, and the second end of the second connector is connected to the other side of the back plate.
The frame-type device of claim 15, wherein the number of the first fans is at least two, and the first part is located between two adjacent first fans among the at least two first fans. In the gap.
The frame-type equipment according to any one of claims 15-19, wherein the first part includes a heating device, and the first part is located between the air inlet of the frame-type equipment and the second part.