CN216904902U - PXI-standard reflective memory optical fiber network real-time communication board card - Google Patents

Abstract

The utility model provides a PXI specification-based reflective memory optical fiber network real-time communication board card, which adopts a field programmable control device and realizes remote real-time data transmission to a shared space of a computer by controlling an optical fiber transceiver module, a double-rate synchronous dynamic random access memory, an interface protocol converter and a PXI bus interface. The dial switch can be configured with address bits from 0 to 255 at will, and the indicator light can display the working state of the reflective memory optical fiber network real-time communication board card. The performance and the function of the board card can meet the requirements of the current aviation, aerospace, ship and industrial control systems.

Description

PXI (PCI extensions for instrumentation) standard reflective memory optical fiber network real-time communication board card

Technical Field

The utility model relates to the fields of communication, network, real-time data transmission, industrial automation, high-speed data acquisition, military systems and the like, in particular to a PXI (peripheral component interconnect) standard reflective memory optical fiber network real-time communication board card.

Background

Reflective Memory Real-Time Networks, which are special types of shared Memory systems, aim to enable a plurality of independent computers to share information in a Memory. The reflective memory real-time network can back up data information in each subsystem, each computer in each subsystem can access the shared memory space without limitation, and meanwhile, high-speed reading and writing can be carried out in the shared memory space. The method is widely applied to the fields of aviation, aerospace, ships, industrial control and the like.

At present, a common internal reflection memory real-time network board card is in a PCI specification and can be applied to a traditional industrial personal computer and an embedded mainboard. With the development of digitization and intellectualization, industrial tablet computers, fanless industrial personal computers and small embedded systems are increasingly applied to the field of avionics. The devices have higher requirements on space size, and products more suitable for practical application scenes need to be developed to meet the market demands, so that a reflective memory optical fiber network real-time communication board card with the PXI specification is produced.

Disclosure of Invention

In order to meet the requirement of increasingly developing reflective memory products and solve the requirement of different application environments on product specifications, the utility model provides a reflective memory optical fiber network real-time communication board card in PXI specification, which can be applied to the application scene of reflective memory optical fiber network real-time communication based on the PXI specification.

The real-time communication board card of the reflective memory optical fiber network of the PXI specification comprises: the device comprises a field programmable control device, a double-rate synchronous dynamic random access memory, a nonvolatile memory, an optical fiber transceiving module, an interface protocol converter, a dial switch, an indicator light, an encryption chip, a power management module and a PXI bus interface.

The field programmable control device is connected with the double-rate synchronous dynamic random access memory, the nonvolatile memory, the optical fiber transceiving module, the interface protocol converter, the dial switch, the indicator light, the encryption chip and the power management module to realize overall control;

the double-rate synchronous dynamic random access memory is connected with the field programmable control device to realize the caching of the real-time communication messages of the optical fiber network;

and the nonvolatile memory is connected with the field programmable control device and used for storing the system logic resource.

The optical fiber transceiving module is connected with the field programmable control device and is used for long-distance transmission of real-time communication network data;

and the interface protocol converter is connected with the field programmable control device and the PXI bus interface and is used for converting protocol information between different communication protocol devices.

And the dial switch is connected with the field programmable control device and is used for system configuration, interrupt configuration and address configuration of the PXI-standard reflective memory optical fiber network real-time communication board card.

The indicating lamp is connected with the field programmable control device and used for indicating the working state of the reflective memory optical fiber network real-time communication board card with the PXI specification;

the encryption chip is connected with the field programmable control device and is used for encrypting transmission of line data and safely storing a secret key;

the power management module is connected with the field programmable control device, the double-rate synchronous dynamic random access memory, the nonvolatile memory, the optical fiber transceiver module, the interface protocol converter, the dial switch, the indicator light and the encryption chip and is used for providing required corresponding voltage for the reflective memory optical fiber network real-time communication board card with the PXI specification;

and the PXI bus interface is connected with an interface protocol converter and is an external PXI bus interface of the reflective memory optical fiber network real-time communication board card in the PXI specification.

According to the reflective memory optical fiber network real-time communication board card, an optical fiber transceiving module is divided into a receiver and a transmitter, information is transmitted through a deterministic network, and the maximum long-distance communication delay from the transmitter to the receiver is 750 ns.

The optical fiber transceiving module supports a single-mode transceiving module and a multi-mode transceiving module;

the dial switch supports the configuration of 256 address positions and the configuration of internal interrupt information;

the memory capacity of the double-rate synchronous dynamic random access memory supports 128MB, 256MB, 512MB and 1 GB;

the communication bandwidth of the reflective memory optical fiber network real-time communication board card is less than or equal to 10 Gbps;

the reflective memory optical fiber network real-time communication board card supports multi-equipment star network communication and ring network communication.

Drawings

Fig. 1 is a block diagram of a reflective memory optical fiber network real-time communication board card based on the PXI specification.

Advantageous effects

The utility model has the beneficial effects that: the utility model provides a PXI specification-based reflective memory optical fiber network real-time communication board card, which adopts a field programmable control device and realizes remote real-time data transmission to a shared space of a computer by controlling an optical fiber transceiver module, a double-rate synchronous dynamic random access memory, an interface protocol converter and a PXI bus interface. The dial switch can be configured with address bits from 0 to 255 at will, and the indicator light can display the working state of the reflective memory optical fiber network real-time communication board card. The performance and the function of the board card can meet the requirements of the current aviation, aerospace, ship and industrial control systems.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Detailed Description

Fig. 1 is a block diagram of a reflective memory optical fiber network real-time communication board based on the PXI standard according to the present invention. The real-time communication board card of the reflective memory optical fiber network of the PXI specification comprises: the system comprises a field programmable control device 1, a double-rate synchronous dynamic random access memory 2, a nonvolatile memory 3, an optical fiber transceiver module 4, an interface protocol converter 5, a dial switch 6, an indicator light 7, an encryption chip 8, a power management module 9 and a PXI bus interface 10.

The field programmable controller 1 is connected with a double-rate synchronous dynamic random access memory 2, a nonvolatile memory 3, an optical fiber transceiving module 4, an interface protocol converter 5, a dial switch 6, an indicator light 7, an encryption chip 8 and a power management module 9 to realize overall control;

the double-rate synchronous dynamic random access memory 2 is connected with the field programmable control device 1 to realize the caching of the real-time communication messages of the optical fiber network;

and the nonvolatile memory 3 is connected with the field programmable control device 1 and is used for storing system logic resources.

The optical fiber transceiving module 4 is connected with the field programmable control device 1 and is used for long-distance transmission of real-time communication network data;

and the interface protocol converter 5 is connected with the field programmable control device 1 and the PXI bus interface 10 and is used for converting protocol information between different communication protocol devices.

And the dial switch 6 is connected with the field programmable control device 1 and is used for system configuration, interrupt configuration and address configuration of the reflective memory optical fiber network real-time communication board card in the PXI specification.

The indicating lamp 7 is connected with the field programmable control device 1 and is used for indicating the working state of the reflective memory optical fiber network real-time communication board card with the PXI specification;

the encryption chip 8 is connected with the field programmable control device 1 and is used for encrypting transmission of line data and safely storing a secret key;

the power management module 9 is connected with the field programmable control device 1, the double-rate synchronous dynamic random access memory 2, the nonvolatile memory 3, the optical fiber transceiver module 4, the interface protocol converter 5, the dial switch 6, the indicator light 7 and the encryption chip 8, and is used for providing required corresponding voltage for the PXI-standard reflective memory optical fiber network real-time communication board card;

and the PXI bus interface 10 is connected with the interface protocol converter 5 and is an external PXI bus interface of the reflective memory optical fiber network real-time communication board card of the PXI specification.

According to the reflective memory optical fiber network real-time communication board card, the optical fiber transceiving module 4 is divided into a receiver and a transmitter, information is transmitted through a deterministic network, and the maximum long-distance communication delay from the transmitter to the receiver is 750 ns.

The optical fiber transceiving module 4 supports a single-mode transceiving module and a multi-mode transceiving module;

the dial switch 6 supports the configuration of 256 address positions and the configuration of internal interrupt information;

the memory capacity of the double-rate synchronous dynamic random access memory 2 supports 128MB, 256MB, 512MB and 1 GB;

the communication bandwidth of the reflective memory optical fiber network real-time communication board card is less than or equal to 10 Gbps;

the reflection memory optical fiber network real-time communication board card supports multi-device star network communication and ring network communication.

Claims (2)

1. A PXI-specification reflective memory optical fiber network real-time communication board card is characterized in that:

the real-time communication board card of the reflective memory optical fiber network of the PXI specification comprises: the system comprises a field programmable control device, a double-rate synchronous dynamic random access memory, a nonvolatile memory, an optical fiber transceiving module, an interface protocol converter, a dial switch, an indicator light, an encryption chip, a power management module and a PXI bus interface;

the field programmable controller is connected with the double-rate synchronous dynamic random access memory, the nonvolatile memory, the optical fiber transceiving module, the interface protocol converter, the dial switch, the indicator light, the encryption chip and the power management module to realize overall control;

the double-rate synchronous dynamic random access memory is connected with the field programmable control device to realize the caching of the real-time communication messages of the optical fiber network;

the nonvolatile memory is connected with the field programmable control device and used for storing system logic resources;

the optical fiber transceiving module is connected with the field programmable control device and is used for long-distance transmission of real-time communication network data;

the interface protocol converter is connected with the field programmable control device and the PXI bus interface and is used for converting protocol information between different communication protocol devices;

the dial switch is connected with the field programmable control device and is used for system configuration, interrupt configuration and address configuration of the PXI-standard reflective memory optical fiber network real-time communication board card;

the indicating lamp is connected with the field programmable control device and used for indicating the working state of the reflective memory optical fiber network real-time communication board card with the PXI specification;

the encryption chip is connected with the field programmable control device and is used for encrypting transmission of line data and safely storing a secret key;

the power management module is connected with the field programmable control device, the double-rate synchronous dynamic random access memory, the nonvolatile memory, the optical fiber transceiver module, the interface protocol converter, the dial switch, the indicator light and the encryption chip and is used for providing required corresponding voltage for the reflective memory optical fiber network real-time communication board card with the PXI specification;

and the PXI bus interface is connected with an interface protocol converter and is an external PXI bus interface of the reflection memory optical fiber network real-time communication board card of the PXI specification.

2. The PXI-compliant reflective-memory optical-fiber-network real-time communication board as claimed in claim 1, wherein:

the optical fiber transceiving module of the reflective memory optical fiber network real-time communication board card is divided into a receiver and a transmitter, information is transmitted through a deterministic network, and the maximum long-distance communication delay from the transmitter to the receiver is 750 ns;

the optical fiber transceiving module supports a single-mode transceiving module and a multi-mode transceiving module;

the dial switch supports the configuration of 256 address positions and the configuration of internal interrupt information;

the memory capacity of the double-rate synchronous dynamic random access memory supports 128MB, 256MB, 512MB and 1 GB;

the communication bandwidth of the reflective memory optical fiber network real-time communication board card is less than or equal to 10 Gbps;

the reflective memory optical fiber network real-time communication board card supports multi-equipment star network communication and ring network communication.

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