CN210839636U

CN210839636U - Switch

Info

Publication number: CN210839636U
Application number: CN202020108200.XU
Authority: CN
Inventors: 王小军; 王敬文
Original assignee: Beijing Armyfly Technology Co Ltd
Current assignee: Beijing Armyfly Technology Co Ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-06-23
Anticipated expiration: 2030-01-17

Abstract

The utility model provides a switch, this switch include the box subassembly, set up exchange module subassembly in the box subassembly, set up the first power module subassembly in the box subassembly. The switch further comprises a back plate assembly which is arranged in the box body assembly and is connected with the switching module assembly in a plugging mode, and the back plate assembly is further connected with the first power module assembly in a plugging mode. The switch also comprises an interface circuit board assembly arranged in the box body assembly, wherein the interface circuit board assembly comprises an interface circuit board which is fixedly connected with the inner wall of the box body assembly and is connected with the back board assembly in a plugging mode, and a plurality of connector interfaces which are arranged on the interface circuit board and are exposed out of the box body assembly. The plurality of connector interfaces are used for being connected with an external plug. Through setting up interface circuit board assembly, and set up a plurality of connector interfaces that expose outside the box subassembly on interface circuit board, reduced the lead wire quantity in the switch to reduce the assembly degree of difficulty, and be convenient for the miniaturization of switch.

Description

Switch

Technical Field

The utility model relates to the electron technical field especially relates to a switch.

Background

The switch is important equipment in the communication industry, and in the aspect of the type and installation of an external network interface connector, the conventional switch is connected with a data circuit board or an RJ45(registered jack) network port inside the equipment by using an aviation connector with a lead, and the connection mode is usually welding or plug-in connection, namely, one end of the lead is electrically connected with the data circuit board in a welding or plug-in connection mode, and the other end of the lead is electrically connected with the aviation connector. By adopting the mode, because a plurality of aviation connectors are required to be arranged on the panel of the switch, a plurality of lead wires are required to be arranged inside the switch to connect the aviation connectors and the data circuit board or the network port interface, so that the lead wires inside the switch are too many, and errors are easy to occur when the lead wires are connected. And because too much lead wire, lead wire result in the bigger inner space of occupation to increased the size of switch, be unfavorable for the miniaturization of switch.

SUMMERY OF THE UTILITY MODEL

The utility model provides a switch for reduce the lead wire quantity in the switch, simplify the assembly of switch.

The utility model provides a switch, this switch include the box subassembly, set up exchange module subassembly in the box subassembly, set up the first power module subassembly in the box subassembly. The switch further comprises a back plate assembly which is arranged in the box body assembly and is connected with the switch module assembly in a plugging mode, wherein the back plate assembly is further connected with the first power module assembly in a plugging mode. The switch also comprises an interface circuit board assembly arranged in the box body assembly, wherein the interface circuit board assembly comprises an interface circuit board which is fixedly connected with the inner wall of the box body assembly and is connected with the back board assembly in a plugging mode, and a plurality of connector interfaces which are arranged on the interface circuit board and are exposed out of the box body assembly. The plurality of connector interfaces are used for being connected with an external plug.

In the above scheme, by arranging the interface circuit board assembly and arranging a plurality of connector interfaces exposed outside the box body assembly on the interface circuit board, each connector interface and the corresponding data circuit board or RJ45 interface are wirelessly connected by adopting a lead, the number of leads in the switch is reduced, the assembly difficulty is reduced, and the switch is convenient to miniaturize. And the connector interface is arranged on the data circuit board, so that modularization of each part in the switch is facilitated, and subsequent replacement and maintenance are facilitated.

In a specific embodiment, the back plate assembly includes a first back plate connected to the interface circuit board in a plugging manner along the first direction, and a back plate fixing plate fixedly connected to an inner wall of the box assembly and used for fixing the first back plate, so as to fix the first back plate.

In a specific embodiment, the first backplane and the interface circuit board are provided with positioning components for assisting the plug-in connection of the interface circuit board and the first backplane, so that the first backplane and the interface circuit board are accurately aligned during plug-in connection, and the plug-in connection of the interface circuit board is facilitated.

In a specific embodiment, the switching module assembly comprises at least one switching module located at one side of the first backplane and a first rail assembly connected with the backplane fixing plate and used for fixing the at least one switching module. Each switching module is connected with the first back plate in a plugging and pulling mode along a second direction, and the second direction is perpendicular to the first direction so as to prevent the interface circuit board and the switching modules from interfering with each other when being connected with the first back plate in the plugging and pulling mode. Each exchange module is assembled in the first guide rail assembly in a sliding mode along the second direction, and the exchange modules are convenient to assemble and replace.

In a specific embodiment, the number of the switching modules is at least two, and the at least two switching modules are arranged side by side to reduce the space occupied by the switching modules and prevent each switching module from interfering with each other when plugging and unplugging. When at least two exchange modules are specifically arranged, the at least two exchange modules are arranged side by side along the first direction, so that the exchange modules and the interface circuit board are arranged side by side, the space occupied by the exchange modules and the interface circuit board is further reduced, and the miniaturization of the exchanger is facilitated.

In a specific embodiment, the first power module assembly includes at least one first power module located at the same side of the first backplane as the at least one switch module, and a second rail assembly fixedly connected to the backplane securing plate and configured to secure the at least one switch module. Each first power supply module is connected with the first back plate in a plugging and unplugging mode along the second direction, so that the plugging and unplugging directions of the first back plate modules and the switching module are parallel, and mutual interference between the first power supply modules and the switching module during plugging and unplugging is avoided. And each first power supply module is assembled in the second guide rail in a sliding mode along the second direction, so that the assembly, replacement and maintenance of each first power supply module are facilitated.

In a specific embodiment, the at least one switching module and the at least one power module are arranged side by side to reduce the space occupied by the switching module and the power module, facilitate miniaturization of the switch, and facilitate arrangement of the first rail assembly and the second rail assembly.

In a specific embodiment, the number of the first power modules is at least two, and the at least two first power modules are arranged side by side along a third direction, wherein every two of the first direction, the second direction and the third direction are perpendicular. To further reduce the space occupied by the first power module.

In a specific embodiment, the exchange device further includes a heat dissipation module assembly disposed in the case assembly, and the heat dissipation module assembly includes two fan modules. The two fan modules are respectively arranged on two opposite sides of the at least one exchange module along the third direction, so that the exchange module can dissipate heat conveniently. And each fan module is connected with the first back plate in a plugging manner along the second direction so as to be convenient for assembly, replacement and maintenance of the fan modules.

In a specific embodiment, the switch further comprises a wind deflector disposed between the at least one switch module and the interface circuit board, and a functional module cover plate disposed on the first rail assembly on a side remote from the backplane fixing plate. The functional module cover plate, the back plate fixing plate, the wind shield and the inner wall of the box body assembly enclose an air duct for ventilation so as to improve the flowing speed of ventilation in the exchange module and improve the heat dissipation efficiency.

In a specific embodiment, the backplane assembly further includes a second backplane plug-in connected to the interface circuit board along the first direction, the second backplane is stacked with the first backplane, and the second backplane and the at least one switch module are respectively arranged on two opposite sides of the first backplane. The switch further includes a second power module assembly. The second power module assembly comprises a switching circuit board connected with the second back plate in a plugging mode along the second direction, a second power module arranged in the box body assembly, and a third guide rail assembly arranged in the box body assembly and used for fixing the second power module. The adapter circuit board is positioned on one side of the second back plate far away from the first back plate. The second power supply module is connected with the second power supply adapter plate in a plugging and unplugging mode along a third direction, wherein the first direction, the second direction and the third direction are perpendicular to each other, and therefore the second back plate and the exchange module are prevented from interfering with the plugging and unplugging of the second power supply module. And the second power supply module is assembled in the third guide rail assembly in a sliding manner, so that the second power supply module is convenient to modularize, assemble, replace and maintain.

Drawings

Fig. 1 is a perspective view of a switch provided in an embodiment of the present invention;

fig. 2 is a front view of a switch provided by an embodiment of the present invention;

fig. 3 is a rear view of a switch provided by an embodiment of the present invention;

fig. 4 is a top view of a switch provided by an embodiment of the present invention;

fig. 5 is a bottom view of a switch provided in an embodiment of the present invention;

fig. 6 is a right side view of a switch provided by an embodiment of the present invention;

fig. 7 is a left side view of a switch provided by an embodiment of the present invention;

fig. 8 is an exploded view of a switch provided by an embodiment of the present invention;

fig. 9 is an assembly view of an interface circuit board assembly according to an embodiment of the present invention;

fig. 10 is a side view of an assembled relationship between an interface circuit board and a backplane assembly according to an embodiment of the present invention;

fig. 11 is an isometric view of an assembly relationship between an interface circuit board and a backplane assembly provided in an embodiment of the present invention;

fig. 12 is a schematic view illustrating an installation of a back plate assembly according to an embodiment of the present invention;

fig. 13 is an isometric view of an exchange module provided by an embodiment of the present invention;

fig. 14 is a schematic installation diagram of an exchange module according to an embodiment of the present invention;

fig. 15 is a schematic view of maintenance or replacement of an exchange module according to an embodiment of the present invention;

fig. 16 is an isometric view of a first power module provided by an embodiment of the present invention;

fig. 17 is an installation diagram of a first power module according to an embodiment of the present invention;

fig. 18 is a schematic view of maintenance or replacement of a first power module according to an embodiment of the present invention;

fig. 19 is an isometric view of a fan module according to an embodiment of the present invention;

fig. 20 is a schematic view illustrating an installation of a fan module according to an embodiment of the present invention;

fig. 21 is a schematic view of an air duct provided in an embodiment of the present invention;

fig. 22 is an isometric view of a second power module provided by an embodiment of the present invention;

fig. 23 is an installation diagram of a second power module according to an embodiment of the present invention;

fig. 24 is a schematic view of maintenance or replacement of the second power module according to an embodiment of the present invention.

Reference numerals:

10-case assembly 11-front cover plate 12-rear cover plate 13-upper cover plate

14-lower cover 15-left cover 16-right cover

21-first back plate 211-guide sleeve 212-guide pin

22-second backboard 23-backboard fixing plate 31-interface circuit board

32-connector interface 41-switching module 42-first rail

411-fiber connector interface 51-first power module 52-second guide rail

61-Fan Module 611-Fan 612-Fan control Unit

62-wind shield 63-functional module cover plate 64-electromagnetic shielding net

71-through circuit board 72-second power supply module 73-third rail

74-fixed seat 81-pulling aid 82-locking strip 83-handle

84-optical fiber connector 85-wire arranging device 86-wall hanging plate 87-steel wire rope vibration isolator

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

For the convenience of understanding the switch provided by the embodiment of the present invention, an application scenario thereof will be explained first. The switch can be an Ethernet switch in the communication industry, and can be particularly applied to the fields or occasions of ship-borne, vehicle-mounted, industry and the like. The switch provided by the embodiment of the present invention is described in detail below with reference to the accompanying drawings.

Referring to fig. 1-8, the switch provided by the embodiment of the present invention includes a box assembly 10 for accommodating components such as a switch module, a backplane assembly, and a power module. When the case assembly 10 is provided, as shown in fig. 8, the case assembly 10 includes a hexahedral case assembled by six cover plates. For the sake of the following description, the panel as shown in fig. 2 is defined as the front cover plate 11 of the case assembly 10; a cover plate opposite to the front cover plate 11 as shown in fig. 8 is a rear cover plate 12 of the exchange; two cover plates for connecting the front cover plate 11 and the rear cover plate 12 and located in the up-down direction in fig. 8 as shown in fig. 8 are defined as an upper cover plate 13 and a lower cover plate 14 of the case assembly 10, wherein the cover plate as shown in fig. 4 is the upper cover plate 13 of the case assembly 10, and the cover plate as shown in fig. 5 is the lower cover plate 14 of the case assembly 10; the other two opposite cover plates for connecting the upper and

lower cover plates

13 and 14, the front cover plate 11 and the rear cover plate 12 as shown in fig. 8 are defined as two side cover plates of the case assembly 10, wherein the cover plate as shown in fig. 6 is a left side cover plate 15 of the case assembly 10, and the cover plate as shown in fig. 6 is a right side cover plate 16 of the case assembly 10. The box assembly 10 shown in fig. 1 to 8 is a regular hexahedral box, i.e., the upper and lower cover plates are perpendicular to the left and right side cover plates, the front and rear cover plates, and the left and right side cover plates are perpendicular to the front and rear cover plates, so that the box assembly 10 has a regular hexahedral structure. It should be understood that the above description shows only one way of the case assembly 10, but that other ways are possible.

Meanwhile, for convenience of describing the mutual relationship between the components, a direction perpendicular to the front cover plate 11 and the rear cover plate 12 is taken as a first direction, a direction perpendicular to the upper cover plate 13 and the lower cover plate 14 is taken as a second direction, and a direction perpendicular to the two side plates is taken as a third direction. It should be understood that the above-mentioned directions are defined only as references for describing the interrelationship between the components, and not as limitations to specific technical features.

Referring to fig. 8, a switching module assembly, a first power module assembly for supplying power, and a backplane assembly for electrically connecting the switching module assembly and the first power module assembly are disposed in the box assembly 10, wherein the switching module assembly is connected to the backplane assembly in an inserting manner, and the first power module assembly is connected to the backplane assembly in an inserting manner, so as to facilitate assembly and replacement of the switching module 41 and the backplane assembly, and facilitate assembly and replacement between the first power module assembly and the switching module 41. The front cover plate 11 of the box assembly 10 is provided with a connector interface 32 exposed outside the box assembly 10, and the connector interface 32 is connected with the back plate assembly, so that the connector interface 32 is electrically connected with the exchange module assembly, and signal interaction is performed, so that the switch is connected with the outside.

In the setting, referring to fig. 9, 10 and 11, an interface circuit board assembly is disposed in the box assembly 10, and the interface circuit board assembly includes an interface circuit board 31 fixedly connected to an inner wall of the box assembly 10 and connected to the backplane assembly in a plugging manner, and a plurality of connector interfaces 32 disposed on the interface circuit board 31 and exposed outside the box assembly 10. The connector interfaces 32 are used for external plug connection. By arranging the interface circuit board assembly and arranging a plurality of connector interfaces 32 exposed outside the box body assembly 10 on the interface circuit board 31, each connector interface 32 and a corresponding data circuit board or RJ45 interface are wirelessly connected by adopting a lead, the number of leads in the switch is reduced, the assembly difficulty is reduced, and the switch is convenient to miniaturize. And the connector interface 32 is arranged on the data circuit board, so that modularization of each part in the switch is facilitated, and subsequent replacement and maintenance are facilitated.

In a specific arrangement, referring to fig. 10, the interface circuit board 31 may be a prior art printed circuit board on which the connector interface 32 is disposed. In particular, the connector interface 32 may be disposed on the printed circuit board by soldering. By printing the circuit for power on the interface circuit board 31, when the interface circuit board 31 is connected with the backplane assembly, the connector interface 32 is electrically connected with the backplane assembly, so that the backplane assembly is electrically connected with the connector interface 32 without a lead. Referring to fig. 8 and 10, a plurality of connector interfaces 32 may be disposed on the interface circuit board 31, and the plurality of connector interfaces 32 may be distributed in an array arrangement. When the connector interface 32 is specifically arranged, the connector interface may be specifically an aviation connector interface 32 in the prior art, so as to improve the reliability and stability of the switch and the external plug connection. It should be understood that the type of connector interface 32 is not limited to an aircraft connector interface 32, and other types of connectors that can be plugged into and out of an external device may be used.

In addition, the connector interface 32 on the interface circuit board 31 is exposed outside the case assembly 10 to realize external plug connection. In the specific arrangement, referring to fig. 9, through holes for penetrating the connector interfaces 32 are formed in the front cover plate 11 of the box assembly 10, the number of the through holes is specifically related to the number of the connector interfaces 32, and it is only required to ensure that each connector interface 32 can be exposed out of the box assembly 10. The interface circuit board 31 is fixedly connected to the inner wall of the case assembly 10, so as to improve the connection reliability and stability of the interface circuit board 31. In specific connection, the interface circuit board 31 may be disposed on the front cover plate 11 by fastening or clamping with screws, and when the interface circuit board 31 is disposed on the front cover plate 11, the connector interface 32 on the interface circuit board 31 is exposed outside the box assembly 10.

When the interface circuit board 31 and the backplane assembly are connected in a plugging manner, referring to fig. 9, 10 and 11, the backplane assembly includes a first backplane 21 that is connected to the interface circuit board 31 in a plugging manner along a first direction, and the first backplane 21 is connected to the switching module assembly and the first power module assembly in a plugging manner, so that the interface circuit board 31 and the switching module 41 are connected. In specific setting, referring to fig. 9 and 10, a socket for plugging and connecting with the first backplane 21 is disposed on a surface of the interface circuit board 31 opposite to the connector interface 32, and referring to fig. 12, a plug for plugging and connecting with the interface circuit board 31 is disposed on the first backplane 21. And the plugging direction of the socket on the interface circuit board 31 and the plug on the first back plate 21 is the first direction, so that the plugging connection between the interface circuit board 31 and the first back plate 21 is realized.

Referring to fig. 12, since the number of sockets and plugs on the first back plate 21 and the interface circuit board 31 is large and the size is small, alignment is difficult during plugging. Therefore, the first back plate 21 and the interface circuit board 31 are provided with positioning components for assisting the plug connection between the interface circuit board 31 and the first back plate 21, so that the first back plate 21 and the interface circuit board 31 are accurately aligned during plug connection, and the plug connection of the interface circuit board 31 is facilitated. Specifically, when the positioning assembly is arranged, referring to fig. 9 and 12, a guide sleeve 211 is disposed on the first back plate 21, and a guide pin 212 for inserting the guide sleeve 211 to achieve positioning is disposed on the interface circuit board 31, wherein the inserting and pulling directions of the guide sleeve 211 and the guide pin 212 are the same as the first direction. When the interface circuit board 31 is connected to the first backplane 21 by plugging, the first backplane 21 and the interface circuit board 31 can be aligned by plugging through the alignment guide sleeve 211 and the guide pin 212, so that the alignment accuracy is provided, and the first backplane 21 and the interface circuit board 31 can be conveniently connected by plugging. It should be understood that the above-mentioned only one way of positioning the components is shown, and other structures that can assist in aligning the first backplane 21 and the interface circuit board 31 can be adopted.

In fixing the first back plate 21, referring to fig. 12, a back plate fixing plate 23 for fixing the first back plate 21 is fixedly connected to an inner wall of the case assembly 10, and specifically, the back plate fixing plate 23 may be disposed above the first back plate 21. During the specific setting, backplate fixed plate 23 can be fixed on the inner wall of box subassembly 10 through the screw fastening mode, and backplate fixed plate 23 can pass through screw fastening mode and left side apron 15, right side apron 16 and back shroud 12 fixed connection promptly, and first backplate 21 can be fixed on backplate fixed plate 23 through the screw fastening mode to improve the connection stability of first backplate 21. It should be understood that the structure of the back plate fixing plate 23 is not limited to the structure shown in fig. 12, but may be other structures. The fixing method of the first back plate 21 is not limited to the above-described fixing method by the back plate fixing plate 23, and other methods may be employed. For example, the first back plate 21 may be directly fixed to the inner wall of the case assembly 10.

When the switching module assembly is provided, referring to fig. 8, 13, 14 and 15, the switching module assembly includes at least one switching module 41 located at one side of the first backplane 21, and a first rail 42 assembly connected to the backplane fixing plate 23 and used for fixing the at least one switching module 41. Each switching module 41 is connected to the first backplane 21 along a second direction, and the second direction is perpendicular to the first direction, so as to prevent the interface circuit board 31 and the switching module 41 from interfering with each other when being connected to the first backplane 21. Each exchange module 41 is slidably mounted in the assembly of the first guide rails 42 in the second direction to facilitate assembly and replacement of the exchange modules 41.

When determining the number of the switching modules 41, the number is specifically related to factors such as the type of the switch, the application, and the like, and the number of the switching modules 41 may be specifically 1, or may be not less than 2, such as 2, 3, 4, and the like. When the number of the switching modules 41 is at least two, the at least two switching modules 41 may be arranged side by side to reduce the space occupied by the switching modules 41, and prevent the switching modules 41 from interfering with each other when being plugged. When at least two switch modules 41 are specifically arranged, the at least two switch modules 41 are arranged side by side along the first direction, so that the switch modules 41 and the interface circuit board 31 are arranged side by side, the space occupied by the switch modules 41 and the interface circuit board 31 is further reduced, and the miniaturization of the switch is facilitated. Referring to fig. 8, the number of the switching modules 41 shown in the embodiment of the present invention is two, and the two switching modules 41 are arranged side by side along the second direction, so that the switching modules 41 are arranged side by side with the interface circuit board 31, thereby reducing the space occupied by the switching modules 41. It should be understood that the arrangement of the switching modules 41 is not limited to the above-described arrangement, and other arrangements are possible.

When the first backplane 21 and the switch modules 41 are connected in a plugging manner, referring to fig. 11, a socket for plugging and unplugging the switch modules 41 is provided above the first backplane 21 (referring to the first backplane 21 shown in fig. 11), referring to fig. 13 and 14, a plug for plugging and unplugging the first backplane 21 is provided on each switch module 41, and the plugging and unplugging direction of the socket for plugging and unplugging the switch module 41 on the first backplane 21 is the second direction, so that the switch module 41 is connected in a plugging and unplugging manner with the first backplane 21 in the second direction. Referring to fig. 14, a through hole for not interfering with the plug connection between the first backplane 21 and the switch module 41 is disposed on the backplane fixing plate 23, so that an interface for plug connection between the first backplane 21 and the switch module 41 is exposed, and the backplane fixing plate 23 does not interfere with the plug connection between the first backplane 21 and the switch module 41.

In addition, referring to fig. 13, the switching module 41 is further provided with a pulling aid 81 for assisting the switching module 41 in inserting or pulling out the first backplane 21, when the number of the sockets and plugs on the switching module 41 and the first backplane 21 is large, the insertion and pulling force when the switching module 41 is inserted into or pulled out of the first backplane 21 is large, and the pulling aid 81 assists in insertion and pulling out, so that the switching module 41 is convenient to insert and pull out. The pulling aid 81 may be a pulling aid capable of assisting in plugging and unplugging according to the lever principle in the prior art, or may be another device capable of assisting in plugging and unplugging the switching module 41.

In providing the first rail 42 assembly, referring to fig. 14, the first rail 42 assembly includes two first opposing rails 42 for securing each exchange module 41, each first rail 42 having a rail groove thereon, and the rail grooves of the two first rails 42 are oppositely disposed such that each exchange module 41 is slidably fitted within the first rail 42 assembly. In the specific description of the first guide rails 42, referring to fig. 14, each first guide rail 42 is fixed on the back plate fixing plate 23 by means of screw fastening, welding, clamping, and the like. When assembling each exchange module 41, the exchange module 41 may be slidably assembled within the first rail 42 assembly, thereby facilitating assembly. When the exchange module 41 needs to be detached, referring to fig. 15 and 16, the upper cover plate 13 is opened and the corresponding exchange module 41 is pulled out, which facilitates detachment. When the problematic switch module 41 is replaced in the later period, the switch module 41 is only required to be drawn out and replaced by a new switch module 41, thereby simplifying the later maintenance of the switch.

Referring to fig. 13 and 14, each switch module 41 is provided with a locking bar 82 for locking the switch module 41 to the first rail 42 assembly, the switch module 41 is provided with the locking bar 82, and when the switch module 41 is inserted into the first back plate 21, the switch module 41 is locked in the first rail 42 assembly by the locking bar 82, so that the stability and reliability of fixing the switch module 41 are improved. The locking strip 82 may be a wedge-shaped locking strip as is known in the art.

Referring to fig. 13, each of the switching modules 41 has a case for dissipating heat, on which fins for dissipating heat are provided to improve the efficiency of dissipating heat of each of the switching modules 41.

It should be noted that the above-mentioned exchange module assembly is not limited to the way of being disposed above the first back plate 21, and besides, the above-mentioned exchange module assembly may be disposed below the first back plate 21.

When the first power module 51 is provided, referring to fig. 16, 17 and 18, the first power module assembly includes at least one first power module 51 located at the same side of the first backplane 21 as the at least one switching module 41, and a second rail 52 assembly fixedly connected to the backplane fixing plate 23 and fixing the at least one switching module 41. Each first power module 51 is connected to the first backplane 21 along the second direction in a plugging manner, so that the plugging direction of the first backplane 21 is parallel to that of the switch module 41, and the first power module 51 and the switch module 41 are prevented from interfering with each other during plugging. And each first power module 51 is slidably fitted in the second guide rail 52 in the second direction to facilitate assembly, replacement, and maintenance of each first power module 51.

Referring to fig. 17, at least one switching module 41 and at least one power module are arranged side by side, and specifically, each switching module 41 and each switching module 41 shown in fig. 17 are arranged side by side along the second direction, so as to reduce the space occupied by the switching module 41 and the power module, and facilitate the miniaturization of the switch. In addition, referring to fig. 17, the switching module 41 is located between the power module and the interface circuit board 31, and the power module is in heat conduction contact with the inner wall of the case assembly 10, such as the power module shown in fig. 17 is in heat conduction contact with the rear cover plate 12, so as to improve the heat dissipation efficiency of the switching module 41. It should be understood that the power module may also be disposed between the switch module 41 and the interface circuit board 31, such that the switch module 41 is in thermally conductive connection with the inner wall of the case assembly 10. It should be understood that the arrangement of the at least one power module and the at least one switching module 41 is not limited to the side-by-side arrangement shown above, and other arrangements may be used.

When determining the number of the first power modules 51, the number of the first power modules 51 may be 1, or may be any value of not less than 2, such as 2, 3, or 4. When the number of the first power modules 51 is at least two, referring to fig. 17, at least two first power modules 51 may be arranged side by side along the third direction to further reduce the space occupied by the first power modules 51. Referring to fig. 17, the number of the first power modules 51 shown in the embodiment of the present invention is 2, and two first power modules 51 are arranged side by side along the third direction. It should be understood that the arrangement of the first power modules 51 is not limited to the above-described side-by-side arrangement, and other arrangements may be adopted.

The first power module 51 may be a 12V power module in the prior art, or may be another module that can supply power to the switch module 41, the first backplane 21, and the interface circuit board 31. In addition, referring to fig. 16, a fin for heat conduction is provided on each of the first power modules 51 to improve the heat conduction efficiency of the first power modules 51.

When the first power module 51 is connected to the first backplane 21 in a plug-in manner, referring to fig. 17, a socket for plugging in the first power module 51 is disposed on the same side of the first backplane 21 as the socket for plugging in the switching module 41, and the plugging-in direction of the socket is the second direction, and the first power module 51 is used for plugging in a plug on the socket of the first backplane 21, so as to realize the plug-in connection of the first power module 51 and the first backplane 21 in the second direction. Referring to fig. 16, a plug-in aid 81 for assisting the plugging-in and unplugging of the first power module 51 is provided on each first power module 51 to facilitate the plugging-in and unplugging of the first power module 51.

When the second guide rail 52 assembly is provided, referring to fig. 17, the second guide rail 52 assembly is fixed above the back plate fixing plate 23, the second guide rail 52 assembly includes a plurality of second guide rails 52, and each second guide rail 52 is provided with a second guide rail 52 groove. For any one first power module 51, two second guide rails 52 are arranged on two sides of the first power module 51 in the third direction, and the first power module 51 is slidably assembled in the guide rail grooves of the two guide rails, so that the assembly, replacement and maintenance of the first power module 51 are facilitated.

Referring to fig. 17, when the number of the first power modules 51 is 2 or more than 2, and two or more than two first power modules 51 are arranged side by side along the third direction, the second rail 52 located between two adjacent first power modules 51 may be designed as an H-shaped rail, that is, two opposite end surfaces thereof are provided with rail grooves for assembling the first power modules 51, so as to reduce the space occupied by the components of the second rail 52.

In addition, referring to fig. 17, when the first power module 51 and the switching module 41 are arranged side by side, a part of the second guide rail 52 and the first guide rail 42 may be configured as an integral structure, and during specific processing, the second guide rail 52 and the first guide rail 42 may be processed together in a milling manner, and the stability of connection between the second guide rail 52 and the first guide rail 42 is improved.

Referring to fig. 19, 20 and 21, the switch provided by the embodiment of the present invention may further include a heat dissipation module assembly disposed in the box assembly 10 to improve the heat dissipation efficiency of the switch module 41 and the first power module 51. When the heat dissipation module assembly is specifically configured, referring to fig. 8 and 20, the heat dissipation module assembly includes two fan modules 61, and the two fan modules 61 are arranged on two opposite sides of at least one switching module 41 along the third direction, so as to facilitate heat dissipation of the switching module 41. When the fan module 61 is specifically provided, referring to fig. 19, the fan module 61 includes a fan 611 and a fan control unit 612 for controlling the rotation or stopping the rotation of the fan 611, wherein the fan control unit 612 may be a control circuit board in the prior art.

Referring to fig. 17, 19 and 20, a socket for plugging and connecting with the fan module 61 is further disposed on the first backplane 21, and the plugging and unplugging direction of the socket is the second direction, a plug for plugging and unplugging the first backplane 21 is disposed on the fan module 61, so that the fan module 61 can be plugged into or unplugged from the first backplane 21 along the second direction, and when the fan module 61 is plugged into the socket of the first backplane 21, the first power module 51 supplies power to the fan module 61 through the first backplane 21, so as to improve the working kinetic energy of each fan module 61. It should be understood that the arrangement of each fan module 61 is not limited to the above-described arrangement, and other arrangements may be adopted.

In a specific arrangement, referring to fig. 17, through holes for ventilation may be formed in the first rail 42 assembly and the second rail 52 assembly, and through holes for ventilation may be formed in the case assembly 10 at positions opposite to the fan modules 61, specifically, as shown in fig. 20, through holes for ventilation may be formed in the left and right side cover plates, respectively, so that the fan modules 61 may suck external wind into the inside of the switch and discharge the wind from the other side, thereby improving the heat dissipation efficiency of the heat dissipation module assembly. Referring to fig. 17, heat dissipation ribs for dissipating heat may be provided on the case assembly 10, and in particular, as shown in fig. 17, heat dissipation ribs may be provided on both the left and right side cover plates and the rear cover plate 12 to improve heat dissipation efficiency.

In the specific fixing of each fan module 61, referring to fig. 8 and 20, each fan module 61 is fixed at a gap between the inner walls of the first guide rail 42 assembly and the box assembly 10, and the fan module 61 may be fixed on the first guide rail 42 assembly and the left and right side covers by means of screw fastening. And each fan module 61 may be withdrawn or placed into the cabinet assembly 10 in a second direction to facilitate assembly, replacement, and maintenance of the fan modules 61. In particular, the case assembly 10 and the first guide rail 42 may enclose a space for accommodating the fan module 61, and have an opening in the second direction, so as to facilitate assembly, replacement and maintenance of the fan module 61. It should be understood that each fan module 61 can also be used for taking in or taking out the box assembly 10 along the third direction, and in a specific arrangement, an opening for taking in or taking out the fan module 61 can be respectively formed on the left side cover plate and the right side cover plate of the box assembly 10, so that the fan module 61 can be taken in or taken out from the opening.

Referring to fig. 8 and 20, a wind shielding plate 62 may be further disposed between the at least one switching module 41 and the interface circuit board 31, and a functional module cover plate 63 may be further disposed on the side of the first rail 42 assembly away from the backplane fixing plate 23. And the functional module cover plate 63, the back plate fixing plate 23, the wind screen 62 and the inner wall of the box body assembly 10 enclose an air duct for ventilation, so that the flow speed of ventilation in the exchange module 41 is increased, and the heat dissipation efficiency is improved.

Referring to fig. 20, electromagnetic shielding nets 64 are provided at the ventilation holes of the left and right side cover plates to prevent the exchange from being interfered by external electromagnetic waves. The electromagnetic shielding net 64 is a metal net having an electromagnetic shielding function in the prior art, thereby achieving electromagnetic shielding and improving a ventilation effect.

Referring to fig. 10, fig. 20, fig. 22, fig. 23 and fig. 24, the backplane assembly according to an embodiment of the present invention further includes a second backplane 22 connected to the interface circuit board 31 in a plug-in manner along the first direction, the second backplane 22 is stacked on the first backplane 21, and the second backplane 22 and the at least one switching module 41 are respectively arranged on two opposite sides of the first backplane 21. The switch also includes a second power module assembly. The second power module assembly includes a switching circuit board 71 connected to the second backplane 22 in a plugging manner along the second direction, a second power module 72 disposed in the box assembly 10, and a third rail 73 assembly disposed in the box assembly 10 and used for fixing the second power module 72. The patch circuit board 71 is located on a side of the second back plate 22 away from the first back plate 21. The second power module 72 is connected to the second power adapter board along the third direction, so as to prevent the second backplane 22 and the switch module 41 from interfering with the connection and disconnection of the second power module 72. And the second power module 72 is slidably assembled in the third guide rail 73 assembly, so that the modularization of the second power module 72 is facilitated, and the assembly, replacement and maintenance of the second power module 72 are facilitated.

In a specific setting, the second backplane 22 may specifically be a POE backplane in the prior art, and the second power module 72 may be a POE power module, it should be understood that the types of the second backplane 22 and the second power module 72 are not limited to the above-mentioned POE backplane and POE power module, and in addition, may also be other types of functional modules. Referring to fig. 22, fins for heat dissipation are provided at the outside of the second power module 72 to improve the heat dissipation efficiency of the second power module 72.

When specifically setting up second backplate 22, second backplate 22 can be fixed in the below of first backplate 21 through screw fastening mode, and the one side of deviating from first backplate 21 on second backplate 22 is provided with the socket that is used for with switching circuit board 71 plug connection, and the plug direction of this socket is the second direction. The adapter circuit board 71 is provided with two-way sockets or plugs, and the function of the adapter circuit board is to change the plugging direction, so that the plugging of the second power module 72 in the third direction is realized. In the specific setting, referring to fig. 23, the adapter circuit board 71 is provided with a plug connected to the first backplane 21 in a plugging manner, and is fixedly connected to the fixing seat 74 on the inner wall of the box assembly 10 in a manner of screw fastening, welding, clamping, and the like, and the adapter circuit board 71 is fixed to the fixing seat 74 in a manner of screw fastening. The adapting circuit board 71 further has a socket for plug-in connection with the second power module 72, and the plug-in direction of the socket is along the third direction, and the second power module 72 is provided with a plug, so that the second power module 72 can be plug-in connected with the adapting circuit board 71 in the third direction, thereby realizing the electrical connection between the second power module 72 and the second backplane 22. In addition, referring to fig. 22, a plug-in aid 81 for assisting the plugging-in and the plugging-out of the second power module 72 is provided on the second power module 72 to facilitate the plugging-out of the second power module 72.

When the third rail 73 assembly is specifically arranged, referring to fig. 23, the third rail 73 assembly includes two opposite third rails 73, each third rail 73 is provided with a rail groove for assembling the second power module 72, the second power module 72 is slidably assembled in the third rail 73 assembly, during assembly, only the second power module 72 needs to be inserted into the third rail 73 along the third direction, and when the second power module 72 is replaced, only the second power module 72 needs to be pulled out, so that the second power module 72 is convenient to assemble, replace and maintain, and the switch is convenient to modularize. Referring to fig. 22 and 23, a locking bar 82 for locking the second power module 72 in the assembly of the third rail 73 is provided on the second power module 72, and when the second power module 72 is inserted into the adapting circuit board 71, the second power module 72 can be locked in the assembly of the third rail 73 by the locking bar 82.

It should be noted that the number of the second power modules 72 may be 1, and may also be any value of not less than 2, such as 2, 3, 4, etc. When the number of the second power modules 72 is plural, at least one of the second power modules 72 may be disposed on the left and right sides of the switch, or the second power modules 72 may be disposed on the same side of the switch, specifically determined by combining the space inside the switch and the shape of the box assembly 10. Referring to fig. 8, the number of the second power modules 72 provided by the embodiment of the present invention is 2, and two second power modules 72 are listed on the left and right sides of the switch.

In addition, the second power module 72 may be disposed at a position where the left and right side covers face each other, so as to facilitate assembly, replacement, and maintenance of the second power module 72. The fixing manner of each second power module 72 refers to the above description, and is not described herein again. Referring to fig. 23 and 24, a through hole for passing the second power module 72 may be opened at the exchange side cover plate to facilitate the assembly and replacement of the second power module 72. In addition, a detachable cover plate may be provided on the side cover plate, and the cover plate may be fixed to the side cover plate to protect the second power module 72 when the second power module 72 is assembled in the case assembly 10.

Referring to fig. 1, 4 and 8, when the switch as a whole is fixed, the switch may be fixed to a wall-hanging plate 86 for hanging the switch from the outside. In order to improve the shock-proof performance of the switch, referring to fig. 8, a wire rope vibration isolator 87 for vibration reduction may be disposed between the box assembly 10 and the wall hanging plate 86 of the switch, wherein the wire rope vibration isolator 87 is a device capable of vibration reduction in the prior art, so as to improve the shock-proof performance of the switch.

Referring to fig. 1, a handle 83 may be provided on the cassette assembly 10 to facilitate the transport of the switch by personnel.

Referring to fig. 8 and 9, the optical fiber connector 84 may be disposed on the front cover 11, an optical fiber connector interface 411 for connecting with the optical fiber connector 84 may be disposed above the exchange module 41, and the optical fiber connector 84 may be connected with the optical fiber connector interface 411 on the exchange module 41 through an optical fiber cable. Referring to fig. 8 and 9, a wire organizer 85 for organizing wires may be provided on the front cover plate 11 to facilitate organizing the optical fiber cables drawn out from the exchange module assembly.

In the above solution, by providing the interface circuit board assembly and disposing a plurality of connector interfaces 32 exposed outside the box assembly 10 on the interface circuit board 31, each connector interface 32 and the corresponding data circuit board or RJ45 interface are wirelessly connected by using a lead, the number of leads in the switch is reduced, the assembly difficulty is reduced, and the switch is conveniently miniaturized. And the connector interface 32 is arranged on the data circuit board, so that modularization of each part in the switch is facilitated, and subsequent replacement and maintenance are facilitated.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A switch, comprising:

a case assembly;

an exchange module assembly disposed within the case assembly;

a first power module assembly disposed within the case assembly;

the backboard component is arranged in the box body component and is connected with the exchange module component in a plugging and unplugging manner, and the backboard component is also connected with the first power module component in a plugging and unplugging manner;

the interface circuit board assembly is arranged in the box body assembly; the interface circuit board assembly comprises an interface circuit board which is fixedly connected with the inner wall of the box body assembly and is connected with the back plate assembly in a plugging and unplugging manner, and a plurality of connector interfaces which are arranged on the interface circuit board and are exposed out of the box body assembly; the plurality of connector interfaces are used for being connected with an external plug.

2. The switch of claim 1, wherein the backplane assembly comprises:

the first back plate is connected with the interface circuit board in a plugging manner along a first direction;

and the back plate fixing plate is fixedly connected with the inner wall of the box body assembly and is used for fixing the first back plate.

3. The switch of claim 2, wherein the first backplane and the interface circuit board are provided with positioning components for assisting the interface circuit board in being plugged with the first backplane.

4. The switch of claim 2 or 3, wherein the switch module component comprises:

each switching module is connected with the first backboard in a plugging and unplugging mode along a second direction, wherein the second direction is perpendicular to the first direction;

and the first guide rail assembly is fixedly connected with the back plate fixing plate and is used for fixing the at least one exchange module, and each exchange module is slidably assembled in the first guide rail assembly along the second direction.

5. The switch of claim 4, wherein the number of said switching modules is at least two, and said at least two switching modules are arranged side-by-side.

6. The switch of claim 5, wherein the at least two switch modules are arranged side-by-side along a first direction.

7. The switch of claim 4, wherein the first power module assembly comprises:

at least one first power module located on the same side of the first backplane as the at least one switch module, each first power module being in plug-in connection with the first backplane along the second direction;

and the second guide rail assembly is fixedly connected with the back plate fixing plate and is used for fixing the at least one exchange module, and each first power supply module is slidably assembled in the second guide rail assembly along the second direction.

8. The switch of claim 7, wherein the at least one switch module is arranged side-by-side with the at least one first power module.

9. The switch of claim 8, wherein the number of the first power modules is at least two, and the at least two first power modules are arranged side by side along a third direction, wherein the first direction, the second direction, and the third direction are perpendicular to each other.

10. The switch of claim 9, further comprising a heat sink module assembly disposed within the enclosure assembly, the heat sink module assembly comprising two fan modules; the two fan modules are arranged on two opposite sides of the at least one exchange module along the third direction, and each fan module is connected with the first back plate in a plugging mode along the second direction.

11. The switch of claim 10, further comprising:

a windshield plate disposed between the at least one switching module and the interface circuit board;

the functional module cover plate is arranged on one side, far away from the backboard fixing plate, of the first guide rail assembly; the functional module cover plate, the backboard fixing plate, the wind shield and the inner wall of the box body assembly enclose an air duct for ventilation.

12. The switch of claim 7, wherein the backplane assembly further comprises:

the second back plate is connected with the interface circuit board in a plugging and unplugging mode along the first direction, the second back plate and the first back plate are arranged in a stacked mode, and the second back plate and the at least one exchange module are respectively arranged on two opposite sides of the first back plate;

the switch further includes a second power module assembly, wherein the second power module assembly includes:

the switching circuit board is connected with the second back plate in a plugging and unplugging mode along the second direction, and the switching circuit board is positioned on one side, far away from the first back plate, of the second back plate;

the second power supply module is arranged in the box body assembly and is connected with the second power supply adapter plate in a plugging manner along a third direction; the first direction, the second direction and the third direction are vertical to each other;

and the third guide rail assembly is arranged in the box body assembly and is used for fixing the second power supply module, wherein the second power supply module is assembled in the third guide rail assembly in a sliding manner.