CN211791584U - Card gauge type switch - Google Patents

Abstract

The utility model discloses a card rule formula switch. The power supply board is provided with plug connectors matched with the backplane connector, the interface board is provided with an electric port and/or an optical port, the electric port comprises a network transformer and a socket connector, the interface board is provided with the plug connectors matched with the backplane connector, the main exchange chip is sequentially connected with the network transformer and the socket connector through the plug connectors of the interface board, and the plug connectors of the interface board of the main exchange chip are connected with the optical port. The utility model discloses the structure makes the switch configuration nimble changeable, product scalability is strong, the product maintenance is with low costs.

Description

Card gauge type switch

Technical Field

The utility model relates to an industry switch technical field, especially a card gauge formula switch.

Background

The current caliper type industrial switch is widely applied in various industries. Due to the requirements of each application scene, the specifications of the caliper type industrial switch are various, wherein the number of optical ports is various (2-12 are adopted), the number of electrical ports is various (2-16 are adopted), the bandwidth is 100M, 1000M or even 10G, the factors are arranged and combined to reach hundreds of specifications, and certain pressure and difficulty are brought to manufacturing, selling and user application.

As shown in fig. 1, the conventional caliper type industrial switch includes a CPU management chip, a power supply unit, a main switching chip, a network transformer, an RJ45 connector, and an SFP optical port, where the power supply unit supplies power to the main switching chip, the CPU management chip is connected to the main switching chip, the main switching chip is connected to the network transformer through a PHY port, and then connected to the RJ45 connector, and the main switching chip is connected to the SFP optical port through an SGMII port. At present, in order to increase the number of electrical ports and optical ports, the number is increased by adding an interface layer; the power panel is a layer, the main exchange chip, the network transformer, the RJ45 connector and the SFP optical port are arranged on a layer of circuit board, if the optical port and the electrical port are required to be added, a layer of circuit board is added, and the added layer of circuit board comprises the network transformer, the RJ45 connector and the SFP optical port.

The current structure has the following problems: connections inside the circuit boards and assembly between the circuit boards need to be done at the factory; based on the diversified demands of users on the quantity of optical ports and electric ports of the industrial switch, the design specifications and shell structures of the PCB are diversified; once the product configuration is formed, the product configuration cannot be changed any more, and once the user needs to be changed, the product may not meet the requirement of the new port number any more; once a port of a product is damaged by lightning, the product needs to be integrally returned for maintenance, even cannot be maintained; the subsequent extension or expansion requirements of the product cannot be met, for example, when low-speed data needs to be accessed, or the 5G network function is expanded, or the WiFi function is expanded, the product has poor upgrading capability, cannot be upgraded on the original equipment, and only new equipment can be replaced.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: in view of the above-described existing problems, a card-to-gauge switch is provided.

The utility model adopts the technical scheme as follows: a caliper type switch comprises an active back plate, a power supply plate and N interface boards, wherein N is a natural number larger than 0, the active back plate is provided with a CPU management chip, a main switching chip and a back plate connector, the CPU management chip is connected with the main switching chip, the number of the back plate connectors is larger than or equal to N +1, the power supply plate is provided with plug connectors matched with the back plate connector, the interface board is provided with an electric port and/or an optical port, the electric port comprises a network transformer and a socket connector, the interface boards are provided with plug connectors matched with the back plate connector, the main switching chip is sequentially connected with the network transformer and the socket connector through the plug connectors of the interface boards, and the plug connectors of the interface board of the main switching chip are connected with the optical port.

Furthermore, when the backplane connector is matched with a connector of the power panel to realize plugging, the power panel is perpendicular to the active backplane.

Furthermore, when the backplane connector and the connector of the interface board are matched to realize plugging, the interface board is perpendicular to the active backplane.

Further, the caliper switch further comprises a housing, and the active backplane is mounted on an inner surface of the housing.

Further, the socket connector adopts RJ 45.

Further, the optical port adopts SFP.

Further, a single interface board is provided with 6 electrical ports or 6 optical ports.

Further, a single interface board is provided with 2 optical ports and 4 electrical ports.

Further, a single interface board is provided with 2 electrical ports and 4 optical ports.

Further, the backplane connector is also connected with one or more of a WiFi function card, a 4G/5G function card and an NB-Iot function card.

Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows: the utility model arranges the electric port and the optical port on a multilayer interface board, and a plurality of interface boards can be inserted on the active back board, so that the configuration of the switch is flexible and changeable; when the product needs to be upgraded or expanded, the interface board and the active back plate are conveniently inserted, the interface board is easy to replace, and the product has strong expandability; when a certain optical port and/or electric port is damaged, the maintenance can be carried out by replacing the interface board, and the maintenance cost of the product is reduced.

Drawings

Fig. 1 is a schematic diagram of the present conventional switch principle.

Fig. 2 is a schematic diagram of a caliper switch according to the present invention.

Fig. 3 is a schematic diagram of an active backplane structure of the caliper switch of the present invention.

Fig. 4 is a schematic structural diagram of a power board and an interface board of the caliper switch according to the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 2-4, a card gauge switch includes an active backplane 1, a power board 2, and N interface boards 3, where N is a natural number greater than 0, and an embodiment N in fig. 1 is 2, the active backplane 1 is provided with a CPU management chip, a main switching chip 11, and a backplane connector 12, the CPU management chip is connected to the main switching chip, the number of the backplane connector 1 may be equal to or greater than 3, a preset redundant backplane connector is used to expand more interface boards in the product using process, the power board 2 is provided with a plug connector 21 that is matched with the backplane connector 12, the power board may adopt a POE power card, a non-POE power card, etc., the interface board 3 is provided with an electrical port and/or an optical port, the electrical port includes a network transformer 31 and a socket connector 32, the interface boards are provided with plug connectors 33 that are matched with the backplane connector, the main exchange chip is connected with the network transformer 31 and the socket connector 32 in sequence through a connector 33 of the interface board, and the main exchange chip is connected with the optical port 34 through the connector of the interface board. The switch structure of the embodiment is flexible in configuration, strong in product adaptability and high in reliability.

In the embodiment of fig. 2-4, the active backplane 1 has three backplane connectors 12, the switch has two interface boards 3, a single interface board 3 has one electrical port (a group of network transformers and receptacle connectors), a single interface board 3 has two optical ports, and the arrangement of the two interface boards is the same, but the invention is not practical and new, and does not limit the number of optical ports and electrical ports of the single interface board 3, nor limit the structure between the single interface board 3 and the single interface board 3 to be the same, and the structure of each interface board can be different. The power panel and the interface board are both provided with shielding protective shells, and the switch product can also be assembled and configured after being formed; when the number of the electric ports and the interfaces of the industrial switch are configured, the number of the interface boards 3 can be flexibly configured, the rules and the configuration number of the electric port optical ports are changed by configuring the interface boards, and the cost of the switch product is reduced; the switch product can also obtain the support of the product expansion function in application, and the performance of the product can be expanded only by adding the interface board as long as the active back board is provided with the back board connector. Even if the electro-optical port is damaged or the power supply is damaged due to thunder and lightning and the like, maintenance is realized by replacing the interface board or the power supply board, and the use and maintenance cost is reduced.

Preferably, when the backplane connector 12 and the connector 21 of the power board 2 are matched to realize plugging, the power board is perpendicular to the active backplane. When the backplane connector 12 and the connector 33 of the interface board 3 are matched to realize plugging, the interface board is perpendicular to the active backplane, and the power board and the interface board, and the interface board can be arranged in parallel. The active back plate and the power panel/interface board are connected with each other through the plug interface.

Preferably, the card-scale switch further comprises a housing, and the active backplane is mounted on an inner surface of the housing. The housing encloses the entire card-to-wire switch to provide support and protection.

Preferably, the receptacle connector employs RJ 45.

Preferably, the optical port employs SFP.

Preferably, the commonly used interface board configuration is as follows:

specification of the electric port plate: a single interface board is provided with 6 electric ports;

the optical interface plate specification: 6 optical ports are arranged or set on a single interface board;

hybrid plate specification 1: the interface board is provided with 2 optical ports and 4 electric ports;

hybrid plate specification 2: the interface board is provided with 2 electric ports and 4 optical ports.

When the switch is configured, any plurality of (such as two, one or five) interface boards can be combined to realize flexible matching of the number of the electrical ports and the number of the optical ports. When 6 electrical ports and 18 optical ports are required, three hybrid board formats 2 and 1 optical port board format can be configured. After the product is formed, 6 electric ports need to be expanded, and only one electric port plate specification needs to be increased.

Preferably, besides interface boards of the electrical port and the optical port, the backplane connector also relates to interface boards of functions such as WiFi, 4G/5G, NB-Iot, and in this embodiment, the backplane connector is further connected with one or more of a WiFi function card, a 4G/5G function card and an NB-Iot function card.

In addition, aiming at the design of the caliper type switch, an interface board of the switch can also be used as a universal interface board of a 1U standard 19-inch rack type industrial switch.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A caliper type switch is characterized by comprising an active back plate, a power supply plate and N interface boards, wherein N is a natural number larger than 0, the active back plate is provided with a CPU management chip, a main switching chip and a back plate connector, the CPU management chip is connected with the main switching chip, the number of the back plate connectors is larger than or equal to N +1, the power supply plate is provided with plug connectors matched with the back plate connector, the interface boards are provided with electric ports and/or optical ports, the electric ports comprise a network transformer and socket connectors, the interface boards are provided with plug connectors matched with the back plate connector, the main switching chip is sequentially connected with the network transformer and the socket connectors through the plug connectors of the interface boards, and the plug connectors of the interface boards of the main switching chip are connected with the optical ports.

2. The card-type switch of claim 1, wherein the backplane connector mates with a connector of a power board that is perpendicular to the active backplane when mated for mating.

3. The caliper switch of claim 2, wherein the interface board is perpendicular to the active backplane when the backplane connector and the connector of the interface board are mated for mating.

4. The card-scale switch of claim 3, further comprising a housing, the active backplane mounted on an interior surface of the housing.

5. The card-scale switch of claim 1, wherein the receptacle connector employs RJ 45.

6. The card-scale switch of claim 1, wherein the optical port employs SFP.

7. The card-scale switch of claim 1, wherein a single interface board is provided with 6 electrical ports or with 6 optical ports.

8. The card-scale switch of claim 1, wherein a single interface board provides 2 optical ports and 4 electrical ports.

9. The card-scale switch of claim 1, wherein a single interface board provides 2 electrical ports and 4 optical ports.

10. The card-scale switch of claim 1, wherein the backplane connector is further connected to one or more of a WiFi function card, a 4G/5G function card, an NB-Iot function card.

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