CN216356773U - Data detection equipment for realizing multi-type interface signal conversion - Google Patents
Data detection equipment for realizing multi-type interface signal conversion Download PDFInfo
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Abstract
The utility model discloses data detection equipment for realizing multi-type interface signal conversion, and belongs to the technical field of communication. It includes: the bidirectional interface conversion transmission circuit is connected with a single-mode optical interface, an Ethernet interface, a synchronous or asynchronous serial interface, an ASI interface and a PAL system video image interface and is used for receiving and transmitting signals of the single-mode optical interface, the Ethernet interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL system video interface; the motherboard multiplexing circuit is connected with the bidirectional interface conversion transmission circuit and is used for supporting interface signal conversion blind plugging, convertible signal type expansion and data transmission of received and sent data; and the main control computer is connected with the motherboard multiplexing circuit. The utility model realizes the conversion of multi-type interface signals, the blind selection of slot positions of the interface conversion board card and the detection of the conduction state of a hardware interface circuit, and is convenient for the verification and the editing of transmission data.
Description
Technical Field
The utility model relates to the technical field of communication, in particular to data detection equipment for realizing multi-type interface signal conversion.
Background
The communication interface is a data transmission and data interaction channel between the industrial equipment: for a hardware terminal system which needs to perform data interaction, the communication interface connects the independent hardware device components and is a data transmission channel. In practical use, the communication interfaces include various types, such as an optical communication interface, a serial communication interface, an ethernet communication interface, and a video communication interface, and the device can only connect with and exchange data with devices configured with the same type of communication interfaces. The traditional data detection equipment has a single communication interface type, and if data detection needs to be carried out on a plurality of hardware terminals with different interface types or all interfaces of a single hardware terminal with a plurality of interface types at the same time, a plurality of independent data detection equipment or an independent interface conversion terminal is needed to convert the interface types, so that the realization is complex, and the variety of matched hardware is numerous.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a data detection device for implementing multi-type interface signal conversion. The utility model realizes the detection of the communication state of the hardware interface between the independent hardware terminal systems, cancels the dependence on the interface conversion matched hardware and realizes the data exchange between the hardware terminal systems configured with different communication interfaces.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a data detection device for realizing multi-type interface signal conversion comprises a single-mode optical interface, an Ethernet interface, a synchronous or asynchronous serial interface, an ASI interface and a PAL-mode video image interface; the system also comprises a bidirectional interface conversion transmission circuit, a mother board complex circuit and a main control computer;
one end of the bidirectional interface conversion transmission circuit is respectively connected with the single-mode optical interface, the Ethernet interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface and is used for receiving and transmitting signals;
the motherboard multiplexing circuit is connected with the other end of the bidirectional interface conversion transmission circuit and is used for supporting signal conversion interface blind plugging, expanding conversion signal types and transmitting received and sent data;
and the main control computer is connected with the motherboard multiplexing circuit and is used for collecting, editing, analyzing and storing data.
Furthermore, the bidirectional interface conversion transmission circuit comprises a photoelectric serial port signal multi-channel conversion circuit, a photoelectric network signal multi-channel conversion circuit, a photoelectric ASI signal conversion circuit, a photoelectric composite signal multi-channel conversion circuit, an RS-485 serial port and computer bus multi-channel conversion circuit;
the photoelectric serial port signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one channel of RS-422 or RS-485 signal or converting at least one channel of RS-422 or RS-485 signal into a single-mode optical signal; the input end of the photoelectric serial port signal multi-channel conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial port interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric serial port signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit;
the optical-to-electrical network signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one path of Ethernet signal or converting at least one path of Ethernet signal into a single-mode optical signal; the input end of the photoelectric network signal multi-channel conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric network signal conversion circuit is connected with the motherboard multiplexing circuit;
the photoelectric ASI signal conversion circuit is used for converting a single-mode optical signal into at least one path of CPCI or PXI computer bus signal, or converting at least one path of CPCI or PXI computer bus data into a single-mode optical signal; the input end of the photoelectric ASI signal conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric ASI signal conversion circuit is connected with the motherboard multiplexing circuit;
the photoelectric composite signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal or converting at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal into a single-mode optical signal; the input end of the photoelectric composite signal conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric network signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit;
the RS-485 serial port and computer bus multichannel conversion circuit is used for converting at least one path of synchronous or asynchronous RS485 data with CPCI or PXI computer bus data, the input end of the RS-485 serial port and computer bus multichannel conversion circuit is connected with the multi-phase photoelectric serial port signal conversion circuit, the photoelectric composite signal conversion circuit or the RS-485 and RS422 serial ports, and the output end of the RS-485 serial port and computer bus multichannel conversion circuit is connected with the motherboard multiplexing circuit.
Further, the optical-electrical ASI signal conversion circuit includes an ASI optical-electrical interface conversion circuit and an ASI bus conversion circuit; the input end of the ASI photoelectric interface conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface;
the ASI bus conversion circuit is used for realizing the conversion between an electric ASI signal and a CPCI or PXI computer bus signal, the input end of the ASI bus conversion circuit is connected with the ASI photoelectric interface conversion circuit, and the output end of the ASI bus conversion circuit is connected with the motherboard multiplexing circuit.
Furthermore, the system also comprises a multi-channel slot blind plugging circuit; the multi-channel slot position blind plugging circuit is provided with a slot position used for being connected with any one path of multi-channel switching circuit in the bidirectional interface switching transmission circuit, and the multi-channel slot position blind plugging circuit is connected with the main control computer through a PCI bus.
The utility model adopts the technical scheme to produce the beneficial effects that:
1. compared with the traditional data detection equipment supporting single-interface signal conversion, the data detection equipment adopting the multi-type interface signal conversion and the interface conversion board card slot multiplexing adopts a modular design idea, and each interface conversion circuit is designed into a unit circuit module under the same design specification and is connected to a main control computer for data processing; the interface conversion circuit modules can be flexibly combined, and conversion of the type of the required interface signal, interface access inspection and detection of interface transmission data are realized.
2. The utility model designs and uses a photoelectric serial port signal multi-channel conversion circuit, a photoelectric network signal multi-channel conversion circuit, a photoelectric ASI signal conversion circuit and a photoelectric composite signal multi-channel conversion circuit, and a connection interface supported by hardware equipment covers at least one path of optical synchronous serial port, at least one path of optical asynchronous serial port, at least one path of optical ASI serial port, at least one path of optical Ethernet port and at least one path of optical PAL system video image interface; designing and using an RS-485 serial port and a computer bus multi-channel conversion circuit to cover at least one path of electric synchronous serial port and at least one path of electric asynchronous serial port with a connection interface supported by hardware equipment; using an ASI bus conversion circuit to cover a connection interface supported by hardware equipment with at least one path of electrical ASI signal interface; the main control computer installed in the equipment covers the connection interface supported by the hardware equipment with at least one electric Ethernet port and at least one electric PAL system video image interface; the single-channel data transmission directions of all the interfaces can be configured; in addition, the mother board is designed by adopting a design scheme of a multi-channel slot position blind plugging circuit, the universality and interchangeability of application scenes of card slots of the card are enhanced, the blind plugging of the interface conversion circuit card is realized, the design, the installation, the debugging and the maintenance of a system are greatly facilitated, and an expansion space is provided for a potentially supported interface type;
3. the main control computer of the utility model can facilitate the installation of software, realize the detection and analysis of the received data of the external interface equipment, edit the data sent to the external interface equipment, and greatly facilitate the system joint test, the interface state detection, the data content inspection and the new function application and development in the engineering application stage.
Drawings
Fig. 1 is a block diagram of a multi-type interface signal conversion and interface conversion board card slot multiplexing data detection device according to an embodiment of the present invention;
fig. 2 is a multichannel conversion circuit diagram of an optoelectronic serial port signal provided in an embodiment of the present invention;
FIG. 3 is a circuit diagram of a multi-channel conversion signal of an optical network signal according to an embodiment of the present invention;
FIG. 4 is a diagram of a multi-channel conversion circuit for photoelectric composite signals according to an embodiment of the present invention;
fig. 5 is a circuit diagram of an ASI optical-to-electrical interface conversion circuit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an ASI bus conversion circuit according to an embodiment of the present invention;
FIG. 7 is a circuit diagram of a multi-channel conversion circuit of an RS-485 serial port and a computer bus provided by an embodiment of the utility model;
fig. 8 is a circuit diagram of a multi-channel slot blind-mate circuit according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
The utility model provides a data detection device for realizing multi-type interface signal conversion, which comprises:
the bidirectional interface conversion transmission circuit is connected with a single-mode optical interface device, an Ethernet interface device, a synchronous or asynchronous serial interface device, an ASI interface device and a PAL system video image SMA interface device and is used for receiving and transmitting signals of the single-mode optical interface device, the Ethernet interface device, the synchronous or asynchronous serial interface device, the ASI interface device and the PAL system video interface device;
the motherboard multiplexing circuit is connected with the bidirectional interface conversion transmission circuit and is used for supporting blind plugging of interface signal conversion equipment, converting signal type expansion and carrying out data transmission on received and sent data; and
and the main control computer is connected with the motherboard multiplexing circuit, is provided with customized data processing software and is used for acquiring, editing, analyzing and storing data.
The system further comprises an optical-electrical serial port signal multi-channel conversion circuit, which is used for converting the single-mode optical signal into at least one path of RS-422 or RS-485 signal or converting at least one path of RS-422 or RS-485 signal into the single-mode optical signal; the input end of the photoelectric serial port signal multi-channel conversion circuit is connected with the single-mode optical interface equipment, the network interface equipment, the synchronous or asynchronous serial port interface equipment, the ASI interface equipment and the PAL type video image SMA interface equipment, and the output end of the photoelectric serial port signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit; the input and output are defined and functionally interchangeable.
Further, the optical network system also comprises an optical network signal multi-channel conversion circuit, which is used for converting the single-mode optical signal into at least one path of Ethernet signal or converting at least one path of Ethernet signal into the single-mode optical signal; the input end of the photoelectric network signal multi-channel conversion circuit is connected with the single-mode optical interface equipment, the network interface equipment, the synchronous or asynchronous serial interface equipment, the ASI interface equipment and the PAL mode video image SMA interface equipment, and the output end of the photoelectric network signal conversion circuit is connected with the motherboard multiplexing circuit; the input and output are defined and functionally interchangeable.
The system further comprises an optical-electrical ASI signal conversion circuit, which is used for converting a single-mode optical signal into at least one path of CPCI or PXI computer bus signal, or converting at least one path of CPCI or PXI computer bus data into a single-mode optical signal; the input end of the optical signal and serial port signal conversion circuit is connected with the single-mode optical interface equipment, the network interface equipment, the synchronous or asynchronous serial port interface equipment, the ASI interface equipment and the PAL mode video image SMA interface equipment, and the output end of the photoelectric ASI signal conversion circuit is connected with the motherboard multiplexing circuit; the input and output are defined and functionally interchangeable.
Further, the optical-to-electrical ASI signal conversion circuit includes an ASI optical-to-electrical interface conversion circuit for realizing conversion of an optical ASI signal and an electrical ASI signal. The input end of the ASI photoelectric interface conversion circuit is connected with the single-mode optical interface equipment, the network interface equipment, the synchronous or asynchronous serial interface equipment, the ASI interface equipment and the PAL mode video image SMA interface equipment.
Furthermore, the optical-electrical ASI signal conversion circuit includes an ASI bus conversion circuit for converting an electrical ASI signal into a CPCI or PXI computer bus signal. The input end of the ASI bus conversion circuit is connected with the ASI photoelectric interface conversion circuit, and the output end of the ASI bus conversion circuit is connected with the motherboard multiplexing circuit.
Further, the optical-electrical composite signal multi-channel conversion circuit is used for converting the single-mode optical signal into at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal or converting at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal into the single-mode optical signal; the input end of the photoelectric composite signal conversion circuit is connected with the single-mode optical interface equipment, the network interface equipment, the synchronous or asynchronous serial interface equipment, the ASI interface equipment and the PAL mode video image SMA interface equipment, and the output end of the photoelectric network signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit; the input and output are defined and functionally interchangeable.
The system further comprises an RS-485 serial port and computer bus multi-channel conversion circuit, which is used for realizing the conversion of at least one path of synchronous or asynchronous RS485 data and CPCI or PXI computer bus data, wherein the input ends of the RS-485 serial port and computer bus multi-channel conversion circuit are connected with the photoelectric serial port signal conversion circuit and the photoelectric composite signal conversion circuit or RS-485 and RS422 serial ports, and the output ends of the RS-485 serial port and computer bus multi-channel conversion circuit are connected with the motherboard multiplexing circuit; the input and output are defined and functionally interchangeable; the receiving and transmitting directions of each channel of the RS-485 serial port and the computer bus conversion circuit can be configured; the synchronous or asynchronous RS-485 data frame header, the frame length, the sampling edge, the baud rate and the cache depth can be configured.
And further, the multi-channel slot blind-mate circuit also comprises a multi-channel slot blind-mate circuit, wherein the slot positions 1 to 4 of the multi-channel slot blind-mate circuit are interface conversion circuit board card installation slot positions, and are used for allowing the multi-type interface signal conversion and interface conversion board card slot multiplexing data detection equipment to select the installation slot positions from the slot positions 1 to 4 under the condition of no installation slot position limitation.
Furthermore, the multi-channel slot blind-mate circuit is connected with the main control computer through a PCI bus.
The following is a more specific example:
fig. 1 is a block diagram of a data detection device for implementing multi-type interface signal conversion and interface conversion board card slot multiplexing according to an embodiment of the present invention, and as shown in fig. 1, the data detection device includes:
a bidirectional interface conversion transmission circuit 11 connected to a single-mode optical interface device, a network interface device, a synchronous or asynchronous serial interface device, an ASI interface device, and a PAL image interface device 10, and configured to receive and transmit transmission signals in the single-mode optical interface device, the network interface device, the synchronous or asynchronous serial interface device, the ASI interface device, and the PAL video image SMA interface device 10;
a motherboard multiplexing circuit 12 connected to the bidirectional interface conversion transmission circuit 11 and used for supporting blind plugging of interface signal conversion equipment, convertible signal type expansion and data transmission of received and transmitted data;
and a main control computer 13 which is connected with the motherboard multiplexing circuit 12 in a circuit, is provided with customized data processing software and is used for collecting, editing, analyzing and storing data.
In the embodiment of the present invention, the single-mode optical interface device, the network interface device, the synchronous or asynchronous serial interface device, the ASI interface device, and the PAL system video image SMA interface device 10 include at least one communication interface, which may be an optical synchronous serial port, an optical asynchronous serial port, an optical ASI serial port, an optical ethernet port, an optical PAL system video image SMA interface, an electrical synchronous serial port, an electrical asynchronous serial port, an electrical ASI serial port, an electrical ethernet port, or an electrical PAL system video image SMA interface. The bidirectional interface conversion transmission circuit 11 comprises a photoelectric serial port signal multi-channel conversion circuit, a photoelectric network signal multi-channel conversion signal circuit, a photoelectric composite signal multi-channel conversion circuit, a photoelectric ASI signal conversion circuit, an RS-485 serial port and a computer bus multi-channel conversion circuit.
Referring to fig. 2, when data is converted from an electrical serial port to a single-mode optical serial port, at least one path of RS-422 or RS-485 data input from the outside of the multi-channel conversion circuit for the optical serial port signal is converted into LV-TTL level through level conversion, and then input into an FPGA, the FPGA multiplexes and encodes multiple paths of data, and then converts the multiplexed data into an optical signal with a wavelength of λ 1 through electro-optical conversion, and the optical signal is converted into an optical serial port signal after being multiplexed by a wavelength division multiplexer and transmitted to a receiving end; when data is converted into an electrical serial port through a single-mode optical interface, a wavelength division multiplexer of the photoelectric serial port signal multi-channel conversion circuit decodes an optical signal with the wavelength of lambda 2, the optical signal is converted into 1 path of electrical signal through photoelectric conversion and then is input into the FPGA, the FPGA decodes and demultiplexes the electrical signal to recover multi-path LV-TTL data, and the multi-path LV-TTL data are recovered into RS-422 or RS-485 level signals after level conversion and transmitted to a receiving end.
Referring to fig. 3, when data is converted from an electrical ethernet port to a single-mode optical ethernet port, at least one path of ethernet data input from the outside of the optical network signal multi-channel conversion signal circuit is coupled by a transformer and then processed by a PHY module to obtain data in an MII interface form, the MII interface data is input into an FPGA, the FPGA multiplexes and encodes the MII data of 2 paths of ethernet, and then the resulting data is converted into an optical signal with a wavelength λ 1 by electro-optical conversion, and the optical signal with other wavelengths is multiplexed into 1 path of optical ethernet signal by a wavelength division multiplexer and transmitted to a receiving end; when data is converted into an electric Ethernet port through a single-mode optical interface, a wavelength division multiplexer of an optical network signal multi-channel conversion signal circuit demultiplexes 1 path of optical signals into multiple paths of optical signals with different wavelengths, the optical signals with the wavelength of lambda 2 are converted into 1 path of electric signals through photoelectric conversion and input into an FPGA (field programmable gate array), the FPGA decodes and demultiplexes the signals to restore 2 paths of MII electric signals, the signals are respectively transmitted to 2 PHY modules, each PHY module processes the MII signals and then couples the MII signals through voltage transformation, and the MII signals are restored into electric Ethernet interface data.
Referring to fig. 4, data input from the outside of the photoelectric composite signal multi-channel conversion circuit includes at least one path of serial data, ethernet data, and video image data, where an interface conversion implementation circuit of the serial data is similar to the photoelectric serial signal multi-channel conversion circuit, and the difference is that the number of used level conversion modules is different and the number of supported maximum channels is different. The interface conversion implementation circuit of the Ethernet data is similar to an optical-electrical network signal multi-channel conversion signal circuit, and the difference is that the used coupling transformer modules and PHY modules are different in number, and the supported maximum channel number is different. When video image data is converted into a single-mode optical interface from an electrical interface, at least one path of PAL-mode video image data is processed by an impedance matching module and a filtering and amplifying module, then is sampled by an A/D conversion module, the A/D sampling frequency is 15MHz, the bit width is 12 bits, the A/D conversion module outputs 12-bit parallel 15Mbit/s data to enter an FPGA, the FPGA carries out multiplexing coding processing on at most 2 paths of video data to become 1 path of high-speed electrical signal, then is converted into 1 path of optical signal with the wavelength of lambda 5 through electro-optical conversion, and the optical signal is converted into an optical video signal to be transmitted to a receiving end after being multiplexed by a wavelength division multiplexer; when data is converted into image data of an electric PAL system from single-mode optical video data, a wavelength division multiplexer demultiplexes a plurality of paths of optical signals with different wavelengths, the optical signal with the wavelength of lambda 6 is converted into 1 path of high-speed electrical signal through photoelectric conversion and then is input into an FPGA, the FPGA carries out decoding and demultiplexing processing to recover 24 paths of parallel electrical signals, each 12 paths of electrical signals are input into 1D/A to be converted into analog electrical signals, and the analog electrical signals are processed by a filtering and amplifying module and an impedance matching module and then output video signals by a connector.
Referring to fig. 5, when an electrical ASI signal input by an SMA connector is converted into a single-mode optical ASI interface signal, the electrical ASI signal is converted into an optical signal with a wavelength λ 1 by a photoelectric conversion module, and the optical signal is converted into an optical ASI signal after being multiplexed by a wavelength division multiplexer and transmitted to a receiving end; when data is converted into an electrical ASI interface signal from a single-mode optical ASI interface signal, a wavelength division multiplexer of the ASI optical-to-electrical signal conversion circuit module decodes an optical signal with a wavelength of λ 2, and the optical signal is restored to the electrical ASI signal through photoelectric conversion and output to the ASI bus conversion circuit module through the SMA connector.
An ASI bus conversion circuit, referring to fig. 6, when data is converted from a CPCI or PXI computer bus signal to an electrical ASI signal, the computer sends the data to the ASI bus conversion circuit through the CPCI bus, a PCI bridge of the ASI bus conversion circuit separates data information and address information, the data information is written into a buffer FIFO (first in first out) under the control of an FPGA, an 8-bit parallel signal output by the buffer FIFO is encoded by an ASI encoding chip, input to a level conversion module, converted into an ASI signal (fixed transmission rate 270Mbps), and finally sent to other devices through a coaxial cable through an SMA joint; when data is converted into CPCI or PXI computer bus signals from electric ASI signals, ASI signals sent by other equipment through a coaxial cable are subjected to level conversion through a level conversion module, then the ASI signals are input to an ASI decoding chip to buffer the data, then the ASI signals are output in a 10B/8B decoding mode, synchronous clock signals of the data are output, the FPGA receives the data and writes the data into a buffer FIFO (first-in first-out), a corresponding read clock is generated at the same time, and the data in the buffer is converted into 32-bit parallel data to be transmitted to a computer through a CPCI bus. The multichannel conversion circuit of the RS-485 serial port and the computer bus refers to fig. 7, and consists of 16 synchronous 485 serial ports and 2 asynchronous 485 serial ports, and mainly consists of a PCI interface module, a data processing transmission module and a 485 interface module. The RS-485 serial port and the PCI interface part of the computer bus multi-channel conversion circuit are bridged by PLX 9054. The RS485 data processing and control part is completed by the FPGA, and the RS485 interface part is isolated by a magnetic couple.
Finally, the motherboard multiplexing circuit 12 adopts a multi-channel slot blind-mate circuit, referring to fig. 8, the motherboard conforms to the CPCI protocol specification and includes 6 CPCI customized slots with 6U widths, the slots 1-4 are designed for structured slots multiplexed by board cards, and each slot is configured with an optical interface (J2 interface), an SMA connector interface (J3 interface), a serial port (J4 interface) and an ethernet port (J4 interface). The slot positions 1 and 2 share a network channel and are connected with a main control computer; the slot positions 3 and 4 share a network channel and are connected with a main control computer; the interface signal conversion circuit board cards inserted into the slot positions 1,2,3 and 4 realize data exchange with the main control computer through the motherboard multiplexing circuit 12. By adopting the design scheme of the universal circuit, the photoelectric serial port signal multi-channel conversion circuit, the photoelectric network signal multi-channel conversion signal circuit, the photoelectric composite signal multi-channel conversion circuit, the photoelectric ASI signal conversion circuit and the electric ASI signal conversion circuit are designed into independent board cards, and blind plugging of board cards with different circuit functions can be realized.
Compared with the traditional data detection equipment supporting single-interface signal conversion, the data detection equipment for multi-type interface signal conversion and interface conversion board card slot multiplexing provided by the embodiment of the utility model adopts a modularized design idea, and each interface conversion circuit is designed into a unit circuit module under the same design specification and is connected to a bus recognizable by a computer for data processing; each interface conversion circuit module can be flexibly combined to realize the conversion of multi-type interface signals and the detection of interface transmission data; designing and using a photoelectric serial port signal multi-channel conversion circuit, a photoelectric network signal multi-channel conversion circuit, a photoelectric ASI signal conversion circuit and a photoelectric composite signal multi-channel conversion circuit, and covering a connection interface supported by hardware equipment with at least one path of optical synchronous serial port, at least one path of optical asynchronous serial port, at least one path of optical ASI serial port, at least one path of optical Ethernet port and at least one path of optical PAL system video image SMA interface; designing and using an RS-485 serial port and a computer bus multi-channel conversion circuit to cover at least one path of electric synchronous serial port and at least one path of electric asynchronous serial port with a connection interface supported by hardware equipment; using an ASI bus conversion circuit to cover a connection interface supported by hardware equipment with at least one path of electrical ASI signal interface; the main control computer installed in the equipment covers the connection interface supported by the hardware equipment with at least one electric Ethernet network port and at least one electric PAL system video image SMA interface; the single-channel data transmission directions of all the interfaces can be configured; in addition, the mother board is designed by adopting a design scheme of a multi-channel slot position blind plugging circuit, the universality and interchangeability of a slot position application scene are enhanced, the blind plugging of an interface conversion circuit board card is realized, the design, the installation, the debugging and the maintenance of a system are greatly facilitated, and an expansion space is provided for a potentially supported interface type; finally, the data processing software installed in the main control computer can detect and analyze the received data of the external interface equipment and edit the data sent to the external interface equipment, thereby greatly facilitating system joint test, interface state detection, data content inspection and new function application and development in the engineering application stage.
The above description is only for the purpose of illustrating specific embodiments of the present invention, and should not be construed as limiting the scope of the present invention, and all equivalent changes, modifications, or equivalent scaled-up or down made according to the design spirit of the present invention should be considered as falling within the scope of the present invention.
Claims (4)
1. A data detection device for realizing multi-type interface signal conversion comprises a single-mode optical interface, an Ethernet interface, a synchronous or asynchronous serial interface, an ASI interface and a PAL-type video image SMA interface; the system is characterized by also comprising a bidirectional interface conversion transmission circuit, a mother board complex circuit and a main control computer;
one end of the bidirectional interface conversion transmission circuit is respectively connected with the single-mode optical interface, the Ethernet interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface and is used for receiving and transmitting signals;
the motherboard multiplexing circuit is connected with the other end of the bidirectional interface conversion transmission circuit and is used for supporting signal conversion interface blind plugging, expanding conversion signal types and transmitting received and sent data;
and the main control computer is connected with the motherboard multiplexing circuit and is used for collecting, editing, analyzing and storing data.
2. The data detection device for realizing multi-type interface signal conversion according to claim 1, wherein the bidirectional interface conversion transmission circuit comprises an optoelectronic serial port signal multi-channel conversion circuit, an optoelectronic network signal multi-channel conversion circuit, an optoelectronic ASI signal conversion circuit, an optoelectronic composite signal multi-channel conversion circuit, and an RS-485 serial port and computer bus multi-channel conversion circuit;
the photoelectric serial port signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one channel of RS-422 or RS-485 signal or converting at least one channel of RS-422 or RS-485 signal into a single-mode optical signal; the input end of the photoelectric serial port signal multi-channel conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial port interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric serial port signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit;
the optical-to-electrical network signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one path of Ethernet signal or converting at least one path of Ethernet signal into a single-mode optical signal; the input end of the photoelectric network signal multi-channel conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric network signal conversion circuit is connected with the motherboard multiplexing circuit;
the photoelectric ASI signal conversion circuit is used for converting a single-mode optical signal into at least one path of CPCI or PXI computer bus signal, or converting at least one path of CPCI or PXI computer bus data into a single-mode optical signal; the input end of the photoelectric ASI signal conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric ASI signal conversion circuit is connected with the motherboard multiplexing circuit;
the photoelectric composite signal multi-channel conversion circuit is used for converting a single-mode optical signal into at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal or converting at least one path of synchronous RS-422 signal, asynchronous RS-422 signal, PAL analog video signal and Ethernet signal into a single-mode optical signal; the input end of the photoelectric composite signal conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface, and the output end of the photoelectric network signal multi-channel conversion circuit is connected with the motherboard multiplexing circuit;
the RS-485 serial port and computer bus multichannel conversion circuit is used for realizing the conversion of at least one path of synchronous or asynchronous RS485 data and CPCI or PXI computer bus data, the input end of the RS-485 serial port and computer bus multichannel conversion circuit is connected with the photoelectric serial port signal conversion circuit and the photoelectric composite signal conversion circuit or RS-485 and RS422 serial ports, and the output ends of the RS-485 serial port and computer bus multichannel conversion circuit are connected with the motherboard multiplexing circuit.
3. The data detection device for realizing multi-type interface signal conversion according to claim 2, wherein the optical-to-electrical ASI signal conversion circuit includes an ASI optical-to-electrical interface conversion circuit and an ASI bus conversion circuit; the input end of the ASI photoelectric interface conversion circuit is connected with the single-mode optical interface, the network interface, the synchronous or asynchronous serial interface, the ASI interface and the PAL mode video image SMA interface;
the ASI bus conversion circuit is used for realizing the conversion between an electric ASI signal and a CPCI or PXI computer bus signal, the input end of the ASI bus conversion circuit is connected with the ASI photoelectric interface conversion circuit, and the output end of the ASI bus conversion circuit is connected with the motherboard multiplexing circuit.
4. The data detection device for implementing multi-type interface signal conversion according to claim 2, further comprising a multi-channel slot blind-mate circuit; the multi-channel slot position blind plugging circuit is provided with a slot position used for being connected with any one path of multi-channel switching circuit in the bidirectional interface switching transmission circuit, and the multi-channel slot position blind plugging circuit is connected with the main control computer through a PCI bus.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115114202A (en) * | 2022-06-24 | 2022-09-27 | 哈尔滨诺信工大测控技术有限公司 | Embedded WEB server based on optical fiber communication interface extension |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115114202A (en) * | 2022-06-24 | 2022-09-27 | 哈尔滨诺信工大测控技术有限公司 | Embedded WEB server based on optical fiber communication interface extension |
| CN115114202B (en) * | 2022-06-24 | 2023-08-29 | 哈尔滨诺信工大测控技术有限公司 | Embedded WEB Server Based on Optical Fiber Communication Interface Expansion |
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