CN212588444U

CN212588444U - Multi-port hardened switch

Info

Publication number: CN212588444U
Application number: CN202021487988.6U
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: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-23
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a switch is consolidated to multiport belongs to electronic equipment technical field, for solving the big scheduling problem design of the interface board subassembly processing degree of difficulty among the current switch. The utility model discloses multiport reinforced switch includes quick-witted case, and quick-witted incasement is provided with interface board subassembly and backplate subassembly, and the interface board subassembly includes interface board PCB and installs the network port navigation socket connector on interface board PCB, and interface board PCB is including two piece at least interface board PCB daughter boards that set up side by side, and network port navigation socket connector installs respectively on whole interface board PCB daughter boards. The utility model discloses multiport reinforced switch divides monoblock interface board PCB in the current switch into polylith interface board PCB daughter board structure, and the welding volume on the monoblock interface board PCB daughter board has been reduced to the fault rate has been reduced; the area of the PCB daughter board of the single interface board is much smaller than that of the PCB of the whole interface board, so that the assembly stress is reduced, and the reliability of the whole machine is improved.

Description

Multi-port hardened switch

Technical Field

The utility model relates to an electronic equipment technical field especially relates to a switch is consolidated to multiport.

Background

Ethernet switches are important devices in the communications industry for data transmission. When the service environment of the switch is severe (for example, in the fields of ship-borne, vehicle-mounted, industry and the like), in order to ensure the timely and accurate data transmission, a reinforced switch is required.

In existing hardened switch products, add-drop connectors are typically employed as network ports. The network port is required to be connected to an interface board PCB or a back board PCB in an aerial insertion way, and is fixed by welding or converting into a PCB connector, so that the requirement on welding and wiring processes is high. For example, the swing of the cable caused by the impact shock affects the firmness of the welding point, resulting in poor reliability of the whole machine.

In order to solve the above problems, at present, a PCB-soldering type aerial plug is mostly adopted, that is, the interface aerial plug is directly soldered on a PCB, and then connected to a backplane PCB through a high-speed data connector. The drawbacks of this structure are: if the number of aerial sockets of the port exceeds a certain value (for example, 48 or 96), the size of the PCB of the interface board is large, which causes great difficulty in welding and assembling; moreover, the PCB with a large volume may have stress after assembly, and may be deformed due to environmental factors such as high temperature, low temperature, impact or vibration, thereby affecting data transmission and even causing interruption of data transmission.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch is consolidated to multiport, the welding is low with the assembly degree of difficulty, and the stress on the interface board PCB is little moreover.

To achieve the purpose, the utility model adopts the following technical proposal:

a multi-port reinforced switch comprises a case, wherein an interface board assembly and a back board assembly are arranged in the case, the interface board assembly comprises an interface board PCB and a network port aerial plug connector arranged on the interface board PCB, the interface board PCB comprises at least two interface board PCB sub-boards which are arranged in parallel, and the network port aerial plug connector is respectively arranged on all the interface board PCB sub-boards.

Particularly, the interface board PCB comprises four interface board PCB sub-boards which are arranged in parallel in sequence, and the network port aviation plug connectors are uniformly distributed on the four interface board PCB sub-boards.

Particularly, the shapes and the areas of the four interface board PCB daughter boards are the same.

In particular, the backplane assembly includes a backplane PCB and a high speed connector mounted on the backplane PCB, the backplane PCB being connected to the interface board assembly through the high speed connector.

Particularly, a back structural member is further arranged in the case, the back panel PCB is vertically fixed on the back structural member, the interface board PCB sub-panel is horizontally arranged at the top of the case, and the back panel PCB is connected to the interface board PCB sub-panel through the high-speed connector.

In particular, the high-speed connector is a CPCI high-speed connector or a VPX high-speed connector.

Particularly, the interface board PCB comprises a plurality of interface board PCB sub-boards which are arranged on the top of the chassis in parallel in sequence, and each of the interface board PCB sub-boards is connected with the back board PCB through the independent high-speed connector.

In particular, the chassis includes a top cover plate, and all of the interface board PCB sub-boards are located inside the top cover plate.

Particularly, the top cover plate is provided with a through hole, and the network port aviation plug connector at least partially penetrates through the through hole, or a connecting piece connected with the network port aviation plug connector at least partially penetrates through the through hole.

Particularly, the PCB daughter board of the interface board is provided with a plug hole, and a pin of the network port aviation plug connector is inserted into the plug hole.

The utility model discloses multiport reinforced switch's interface board PCB includes two piece at least interface board PCB daughter boards that set up side by side, divides monoblock interface board PCB in the current switch into polylith interface board PCB daughter board structure, forms the integrated structure, and the welding volume on the monolithic interface board PCB daughter board has reduced to the fault rate has been reduced; even if scrapped, only the daughter board of the interface board PCB needs to be replaced, and the whole interface board PCB does not need to be replaced, so that the cost is low; the area of the PCB daughter board of the single interface board is much smaller than that of the PCB of the whole interface board, so that the reinforcing error and the assembling error are easier to control, the assembling stress is reduced, and the reliability of the whole machine is improved.

Drawings

Fig. 1 is a schematic structural diagram of a multi-port hardened switch according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an interface board assembly and a back board assembly according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a back side structure of an interface board assembly and a high-speed connector according to an embodiment of the present invention;

fig. 4 is a side view of an interface board assembly and high speed connector according to an embodiment of the present invention.

In the figure:

1. a chassis; 21. a network port aviation plug connector; 22. an interface board PCB daughter board; 31. a back panel PCB; 32. a high-speed connector; 211. a pin.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

This embodiment discloses a multi-port hardened switch, wherein "multi-port" preferably means 96 ports and more. As shown in fig. 1 to 4, the switch includes a chassis 1, and an interface board assembly and a backplane assembly are disposed in the chassis 1, where the interface board assembly includes an interface board PCB and a network port connector 21 mounted on the interface board PCB. The interface board PCB comprises at least two interface board PCB daughter boards 22 arranged in parallel, and the network port aviation plug connectors 21 are respectively installed on all the interface board PCB daughter boards 22.

The whole interface board PCB in the existing exchanger is divided into a plurality of interface board PCB daughter boards 22, namely, a combined interface board PCB is formed, and the welding amount on the single interface board PCB daughter board 22 is reduced, so that the failure rate is reduced; even if the interface board PCB daughter board 22 is scrapped, only the interface board PCB daughter board 22 needs to be replaced, the whole interface board PCB does not need to be replaced, and the cost is low; the area of the single interface board PCB daughter board 22 is much smaller than that of the whole interface board PCB, so that the reinforcing error and the assembling error are easier to control, the assembling stress is reduced, and the reliability of the whole machine is improved.

The specific number of the sub-boards 22 of the interface board PCB is not limited, and the number of the sub-boards can be two, three, four, five or six, and the specific numerical values can be set according to the actual working conditions under the conditions of reducing the stress and the processing difficulty. The interface board PCB in the 96-port reinforced switch preferably comprises four interface board PCB daughter boards 22 arranged in parallel in sequence, the network port navigation plug connectors 21 are uniformly distributed on the four interface board PCB daughter boards 22, that is, each interface board PCB daughter board 22 is provided with twenty-four network port navigation plug connectors 21, so that the problem of complex processing caused by excessive number of the interface board PCB daughter boards 22 is avoided, and the stress on the interface board PCB daughter board 22 and the processing difficulty of a single interface board PCB daughter board 22 are sufficiently reduced.

If the working condition is special, the four interface board PCB daughter boards 22 may have different shapes and areas to adapt to different working conditions or use environments. In most cases, of course, the four interface board PCB daughter boards 22 are preferably identical in shape and area, so that the processing and installation are most convenient, the method can adapt to the production line processing, and the time and labor are not required to distinguish whether the interface board PCB daughter board 22 at hand is the one to be installed.

On the basis of the structure, the backplane assembly comprises the backplane PCB31 and the high-speed connector 32 installed on the backplane PCB31, and the backplane PCB31 is connected to the interface assembly through the high-speed connector 32, so that the rapid transmission of data is realized.

The specific mounting of backplane PCB31 is not limited and may be connected to the interface board assembly via high speed connector 32. Preferably, a back structure (not shown) is provided within chassis 1, backplane PCB31 is vertically secured to the back structure, and high speed connector 32 is mounted at the top edge of backplane PCB 31; interface board PCB daughter board 22 is horizontally disposed on the top of chassis 1, and high-speed connector 32 is connected to interface board PCB daughter board 22 from the bottom surface, thereby realizing connection between backplane PCB31 and interface board PCB daughter board 22.

The high-speed connector 32 may be, but is not limited to, a CPCI high-speed connector or a VPX high-speed connector, and can realize accurate and fast data transmission. Two groups of high-speed connectors 32 are preferably connected to each interface board PCB daughter board 22, and the existing high-speed connectors 32 do not need to be changed excessively, so that the use is more convenient and the cost is lower. That is, each interface board PCB daughter board 22 is connected to the backplane PCB31 through a separate high speed connector 32, resulting in more stable signal transmission and less interference.

On the basis of the structure, the case 1 comprises a top cover plate, and a main body of the case 1 and the top cover plate jointly enclose to form an accommodating space. All interface board PCB daughter boards 22 are located inside the top cover plate, i.e. on the inside. All the interface board PCB daughter boards 22 are in the accommodating space.

The top cover plate is preferably provided with a through hole, the network port navigation plug connector 21 extends out of the switch through the through hole, or a connecting piece connected with the network port navigation plug connector 21 extends out of the switch through the through hole, so that data transmission with devices outside the switch is realized.

On the basis of the structure, the interface board PCB daughter board 22 is provided with the plugging hole, the pin 211 of the network port plugging connector 21 is plugged into the plugging hole, the installation mode is simple and efficient, and the connection structure of the network port plugging connector 21 and the interface board PCB daughter board 22 is more stable.

Preferably, the number of ports is 16-24, and the number of corresponding aerial pins on each interface board is 16-24.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A multi-port reinforced switch comprises a case (1), wherein an interface board assembly and a back board assembly are arranged in the case (1), the interface board assembly comprises an interface board PCB and a network port aerial plug connector (21) installed on the interface board PCB, and the multi-port reinforced switch is characterized in that the interface board PCB comprises at least two interface board PCB sub-boards (22) which are arranged in parallel, and the network port aerial plug connector (21) is respectively installed on all the interface board PCB sub-boards (22).

2. The multi-port hardened switch according to claim 1, wherein the interface board PCB comprises four interface board PCB sub-boards (22) arranged side by side in sequence, and the network port aviation plug connectors (21) are evenly distributed on the four interface board PCB sub-boards (22).

3. The multi-port hardened switch according to claim 2, wherein the four interface board PCB sub-boards (22) are all identical in shape and area.

4. The multi-port hardened switch according to claim 1, wherein the backplane assembly comprises a backplane PCB (31) and a high-speed connector (32) mounted on the backplane PCB (31), the backplane PCB (31) being connected to the interface board assembly by the high-speed connector (32).

5. The multi-port hardened switch according to claim 4, wherein a back structure is further provided within the chassis (1), the backplane PCB (31) is vertically fixed to the back structure, the interface board PCB daughter board (22) is horizontally arranged on top of the chassis (1), and the backplane PCB (31) is connected to the interface board PCB daughter board (22) through the high speed connector (32).

6. The multi-port hardened switch according to claim 4, wherein the high speed connectors (32) are CPCI high speed connectors or VPX high speed connectors.

7. The multi-port hardened switch according to claim 6, wherein the interface board PCB comprises a plurality of interface board PCB sub-boards (22) arranged in parallel on top of the chassis (1) in sequence, each of the interface board PCB sub-boards (22) being connected to the backplane PCB (31) by a separate high speed connector (32).

8. The multi-port hardened switch according to any one of claims 1 to 7, wherein the chassis (1) comprises a top cover plate, all the interface board PCB daughterboards (22) being located inside the top cover plate.

9. The multi-port hardened switch according to claim 8, wherein the top cover plate is provided with a through hole through which the network port interposer connector (21) at least partially passes or through which a connector connected to the network port interposer connector (21) at least partially passes.

10. The multi-port hardened switch according to any one of claims 1 to 7, wherein the interface board PCB daughter board (22) is provided with a jack hole into which the pins (211) of the network port aviation plug connector (21) are inserted.