CN110763939A

CN110763939A - LISN equipment containing photoelectric transceiver and photoelectric conversion system

Info

Publication number: CN110763939A
Application number: CN201911078229.6A
Authority: CN
Inventors: 崔强; 李楠; 李军
Original assignee: Guangzhou Cheng Zhen Electronic Science And Technology Co Ltd
Current assignee: Guangzhou Cheng Zhen Electronic Science And Technology Co Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-02-07

Abstract

The invention provides a LISN device containing a photoelectric transceiver, which comprises a shell, at least one multi-signal photoelectric conversion device, a LISN module and a power interface module, wherein the LISN module and the power interface module are arranged in the shell; the shell is also provided with at least one slot; each multi-signal photoelectric conversion device is provided with a first power-on interface, each slot is internally provided with a power supply port matched with the first power-on interface, each power supply port is connected with the power supply interface module, and the power supply input end of the LISN module is connected with the power supply interface; the photoelectric conversion device comprises a signal conversion module, an optical signal transceiving module and N signal transceiving modules, wherein the N signal transceiving modules are used for adapting to at least one signal type; the LISN with the photoelectric conversion device integrates the photoelectric conversion device and the LISN power supply into one device, is convenient to use, and can simultaneously transmit various signals.

Description

LISN equipment containing photoelectric transceiver and photoelectric conversion system

Technical Field

The invention relates to the field of electromagnetic compatibility testing, in particular to LISN equipment containing a photoelectric transceiver and a photoelectric conversion system.

Background

The existing power supply modules provided for the anechoic chamber and the electromagnetic compatibility testing equipment are common direct-current power supplies, such as a storage battery or a direct-current generator, but the power supplies supplied by the power supplies to the tested equipment may be impure, a power grid injects interference into the tested equipment, the tested equipment also feeds interference into the power grid, which can not be clearly distinguished on an EMC analyzer which is the interference on the tested equipment, and the testing result is inaccurate.

The LISN can provide a path for a power supply, provide stable measurement impedance for the tested equipment, isolate a power supply grid from the tested equipment, and couple interference signals generated by the tested equipment to the EMC analyzer by using a high-pass filter of the LISN, and prevent the grid voltage from being applied to the EMC analyzer, so that the influence of an external power grid on a test result is reduced. However, the inductance in the conventional LISN is the inductance with fixed inductance value, and the size of the inductance cannot be adjusted according to the actual test requirement, so that more accurate test data can be obtained;

the existing signal transmission mode is generally single-line transmission, only one kind of data can be transmitted at one time, when a plurality of kinds of signals need to be transmitted, a plurality of optical fibers or cables are needed for transmission, so that when the signal transmission is in problem, workers are difficult to distinguish which transmission line is in problem from a plurality of transmission lines, and the signal receiving device can only transmit one kind of data at one time.

In the electromagnetic compatibility testing technology, the LISN module and the photoelectric transceiver are indispensable devices, and in the prior art, the two devices are separately arranged, so that the LISN connected with an external power grid is needed to supply power to the tested device, and the photoelectric transceiver and the LISN module are combined to reduce electromagnetic interference signals generated by the external power grid to the tested device, reduce the influence of the external power grid on a testing result, increase the accuracy of the testing result, and simultaneously receive different types of signals and convert the signals into optical signals to be transmitted to the LISN device containing the photoelectric transceiver.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a combination arrangement of a photoelectric transceiver and a LISN power supply, which can reduce electromagnetic interference signals generated by an external power grid on tested equipment, reduce the influence of the external power grid on a test result, adjust the inductance according to the test requirement, increase the accuracy of the test result, simultaneously receive different types of signals, convert the signals into optical signals and transmit the optical signals to the LISN equipment containing the photoelectric transceiver.

The invention adopts the following technical scheme for realizing the purpose:

the invention provides a LISN device containing a photoelectric transceiver, which comprises a shell, at least one multi-signal photoelectric conversion device, a LISN module and a power interface module, wherein the LISN module and the power interface module are arranged in the shell;

the shell is also provided with at least one slot for accommodating the multi-signal photoelectric conversion device;

each multi-signal photoelectric conversion device is provided with a first power-on interface, each slot is internally provided with a power supply port matched with the first power-on interface, each power supply port is connected with the power interface module, each power supply port is respectively connected with the first power-on interface of each multi-signal photoelectric conversion device, and the power input end of the LISN module is connected with the power interface module;

the photoelectric conversion device comprises a signal conversion module, an optical signal transceiving module and N signal transceiving modules, wherein the N signal transceiving modules are used for adapting to at least one signal type;

the signal conversion module comprises N first transmission ends and a second transmission end, wherein the first transmission end of the signal conversion module is connected with the first end of a first signal transceiver module, the second first transmission end of the signal conversion module is connected with the first end of a second signal transceiver module, and the Nth first transmission end of the signal conversion module is connected with the first end of the Nth signal transceiver module; the second end of the first signal transceiver module is connected with the first signal line, the second end of the second signal transceiver module is connected with the second signal line, and the second end of the Nth signal transceiver module is connected with the Nth signal line; the second transmission end of the signal conversion module is connected with one end of the optical signal transceiver module; during signal transmission, the M signal transceiving modules are activated and are respectively used for receiving M different signals from the M signal lines simultaneously; the M signal receiving and sending modules are used for sending the received M signals to the signal conversion module, wherein M is a natural number not less than 1 and is not more than N, and the M signals comprise at least one signal type; the signal conversion module is used for converting the received M signals into serial signals and sending the serial signals to the optical signal transceiving module, and the optical signal transceiving module is used for converting the received serial signals into optical signals and sending the optical signals; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

On one hand, after the M activated signal transceiving modules receive signals from the connected signal lines, the M signal transceiving modules send the received M signals to the signal conversion module, the signal conversion module converts the received M signals into M digital signals, and the signal conversion module converts the M digital signals into a serial signal, which is recorded as a first serial signal; the signal conversion module sends the first serial signal to an optical signal transceiving module, the optical signal transceiving module converts the received first serial signal into an optical signal and sends the optical signal, wherein M is a natural number not less than 1, M is not more than N, and M signals comprise at least one signal type;

on the other hand, when the optical signal transceiver module receives the optical signal, the optical signal transceiver module converts the received optical signal into a serial signal, which is recorded as a second serial signal; the second serial signal is converted into P different signals by the signal conversion module, the P different signals are respectively sent to a signal transceiving module which is matched with the signal type and connected with the signal conversion module, and the P different signals are respectively sent to a signal wire connected with the signal transceiving module by the signal transceiving module, wherein P is a natural number not less than 1 and is not less than N, and the P signals comprise at least one signal type; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

In an embodiment of the present invention, each of the M digital signals has a fixed data structure, and each of the M digital signals respectively includes a preset feature value and a target data;

further, the signal conversion module converts the M digital signals into a serial signal, which is denoted as a first serial signal, and specifically includes:

the signal conversion module captures preset characteristic values and target data of the M digital signals respectively, sequentially positions the M target data according to the captured preset characteristic values and the matched target data, performs data structure analysis on the M digital signals, and converts the M digital signals into a serial signal.

In an embodiment of the present invention, the second serial signal has a fixed data structure, and the second serial signal has P preset feature values and P target data;

furthermore, the second serial data has P target data, and the interval Q between the preset characteristic value and the k-th target data_kA character of which P, Q_kAll are natural numbers not less than 1, and k is a natural number not more than P; the signal conversion module converts the received second serial signal into P different signals, which specifically includes:

the signal conversion module acquires the second serial signal and performs data structure analysis on the second serial signal; capturing a preset characteristic value in the second serial signal, sequentially positioning P target data according to the number of characters between the captured preset characteristic value and the kth target number, and further extracting P target data in the second serial signal;

and generating P different signals from the obtained P target data.

Furthermore, the second serial signal has P target data, and an interval Q between a preset characteristic value and the kth target data_kA space between the kth target data and the (k + 1) th target dataR_kA character of which P, Q_k、R_kAll are natural numbers not less than 1, and k is a natural number not more than P; the signal conversion module converts the received second serial signal into P different signals, which specifically includes:

the signal conversion module acquires the second serial signal and analyzes a data structure of the second serial signal; capturing a preset characteristic value in the second serial signal, further positioning the kth target data according to the captured preset characteristic value and the number of characters of a kth target data interval, further extracting the kth target data in the second serial signal, further positioning the kth +1 target data according to the number of characters of the captured kth target data and the kth +1 target data interval, and further extracting the kth +1 target data in the second serial signal until P target data are captured;

the signal conversion module generates P different signals according to the P target data.

In an embodiment of the present invention, the multi-signal photoelectric conversion device further includes N electrostatic protection modules and N filtering modules;

the first signal line is connected with the input end of the first electrostatic protection module, the second signal line is connected with the input end of the second electrostatic protection module, the Nth signal line is connected with the input end of the Nth electrostatic protection module, the output end of the first electrostatic protection module is connected with the input end of the first filtering module, the output end of the second electrostatic protection module is connected with the input end of the second filtering module, the output end of the Nth electrostatic protection module is connected with the input end of the Nth filtering module, and the Nth output end of the Nth filtering module is connected with the first end of the Nth signal transceiver module.

In a second aspect, the present invention further provides a photoelectric conversion system including LISN devices, at least 2 photoelectric conversion devices including LISN devices provided in the first aspect of the present invention;

the first LISN device with the photoelectric transceiving device is arranged outside the shielding room, and the multi-signal photoelectric conversion device contained in the first LISN device with the photoelectric transceiving device is the first photoelectric conversion device;

the LISN equipment containing the photoelectric transceiving device arranged in the shielding chamber is recorded as second LISN equipment containing the photoelectric transceiving device, and the multi-signal photoelectric conversion device contained in the second LISN equipment containing the photoelectric transceiving device is recorded as a second photoelectric conversion device;

the first LISN equipment containing the photoelectric transceiving device is connected with the second LISN equipment containing the photoelectric transceiving device through an optical fiber;

the first LISN equipment containing the photoelectric transceiving device and the second LISN equipment containing the photoelectric transceiving device have electric signal transceiving interfaces which are connected with an external signal line;

the first photoelectric conversion device comprises a first signal conversion module, a first optical signal transceiver module, N first electrostatic protection modules, N first filtering modules and N signal transceiver modules; the second conversion device comprises a second signal conversion module, a second optical signal transceiver module, N second electrostatic protection modules, N second filtering modules and N signal transceiver modules; the first photoelectric conversion device is connected with the first group of signal lines, an optical signal interface of the first photoelectric conversion device is connected with an optical signal interface of the second conversion device, and the second conversion device is connected with the second group of signal lines;

during signal transmission, M signal transceiving modules in the first photoelectric conversion device are activated, M signals are simultaneously and respectively sent to the M signal transceiving modules through M electrostatic protection modules and M filtering modules, the M signal transceiving modules are used for sending the received M signals to the signal conversion module, wherein M is a natural number not less than 1, and M is not less than N; the signal conversion module is configured to convert M received signals into serial signals, record the serial signals as third serial signals, and send the third serial signals to the optical signal transceiver module, the optical signal transceiver module is configured to convert the third received serial signals into optical signals and send the optical signals to the second optical signal transceiver module, the second optical signal transceiver module converts the received optical signals into serial signals, record the serial signals as fourth serial signals, and send the fourth serial signals to the second signal conversion module, the second signal conversion module converts the fourth serial signals into M different signals, and sends the M different signals to the M signal transceiver modules matched with the signal types, and the M signal transceiver modules send the M signals to the second electrostatic protection module and the second filter module, which are connected to the M signal transceiver modules, respectively To a second set of signal lines; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

In an embodiment of the present invention, the inductance module of the LISN power supply is replaceable.

In an embodiment of the present invention, the M signals each have a fixed data structure, and each of the signals includes a preset characteristic value and a target data, so that the fourth serial signal has M preset characteristic values and M target data;

furthermore, the fourth serial data has M target data, and the interval Q between the preset characteristic value and the g-th target data_gA character of which M, Q_gAll are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module converts the fourth serial signal into M different signals, which specifically includes:

the second signal conversion module acquires the fourth serial signal and performs data structure analysis on the fourth serial signal; capturing a preset characteristic value in the fourth serial signal, sequentially positioning M target data according to the captured preset characteristic value and the character number of the g-th target data interval, and further extracting M target data in the fourth serial signal;

and generating M different signals according to the obtained M target data.

Furthermore, the fourth serial signal has M target data, and an interval Q is provided between a preset characteristic value and the g-th target data_gA space between the g-th target data and the g + 1-th target dataR_gA character of which M, Q_g、R_gAll are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module 220 converts the fourth serial signal into M different signals, which specifically includes:

the second signal conversion module acquires the fourth serial signal and analyzes a data structure of the fourth serial signal; capturing a preset characteristic value in the fourth serial signal, further positioning the g th target data according to the character number of the captured preset characteristic value and the g th target data interval, further extracting the g th target data in the fourth serial signal, further positioning the g +1 th target data according to the character number of the captured g th target data and the g +1 th target data interval, and further extracting the g +1 th target data in the fourth serial signal until the M th target data is captured;

and the second signal conversion module generates M different signals according to the obtained M target data.

On one hand, when N different signals are input into the first group of signal lines, the N different signals are respectively sent to the activated N signal transceiver modules through the N first electrostatic protection modules and the N first filtering modules, the N signal transceiver modules send the received signals to the first signal conversion module, the first signal conversion module converts the received N different signals into N different digital signals, then converts the N different digital signals into a serial signal, and sends the serial signal to the first optical signal transceiver module; the first optical signal transceiver module converts a received serial signal into an optical signal and sends the optical signal to a second optical signal transceiver module, the second optical signal transceiver module converts the received optical signal into a serial signal and sends the serial signal to a second signal conversion module, the second conversion module converts the received serial signal into N different digital signals according to the cutoff symbol, and then sends the N different signals to the activated N signal transceiver modules respectively, and the N signal transceiver modules output the N different received signals to a second group of signal lines through a second filtering module and a second electrostatic module, wherein the N signals comprise at least one signal type.

Similarly, on the other hand, when N same signals are input to the second group of signal lines, the N different signals are respectively sent to the activated N signal transceiver modules through the N second electrostatic protection modules and the N second filter modules, the N signal transceiver modules send the received signals to the second signal conversion module, the second signal conversion module converts the received N different signals into N different digital signals, converts the N different digital signals into one serial signal, and sends the serial signal to the second optical signal transceiver module; the second optical signal transceiver module converts a received serial signal into an optical signal and sends the optical signal to the first optical signal transceiver module, the first optical signal transceiver module converts the received optical signal into a serial signal and sends the serial signal to the first signal conversion module, the first conversion module converts the received serial signal into N different digital signals and sends the N different digital signals to the activated N signal transceiver modules respectively, and the N first signal transceiver modules output the N received different signals to the first group of signal lines through the N first filter modules and the N first electrostatic modules, wherein the N signals comprise at least one signal type.

In a third aspect, the present invention further provides a LISN apparatus including a photoelectric transceiver, including a housing, at least one multi-signal photoelectric conversion device, and a LISN module and a power interface module disposed in the housing;

the shell is also provided with at least one slot for accommodating the multi-type signal photoelectric conversion device; (ii) a

Each multi-type signal photoelectric conversion device is provided with a second through interface, each slot is internally provided with a power supply port matched with the second through interface, each power supply port is connected with the power interface module, each power supply port is respectively connected with the second through interface of each multi-type signal photoelectric conversion device, and the power input end of the LISN module is connected with the power interface module;

the photoelectric conversion device comprises a signal conversion module, an optical signal transceiving module, X analog-to-digital conversion modules and Y signal transceiving modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;

the input end of each analog-to-digital conversion module is connected with an analog signal line, and the output end of each analog-to-digital conversion module is connected with the input end of a signal transceiver module;

the signal conversion module comprises Y input ends and an output end, and X input ends of the signal conversion module are respectively connected with the output ends of X signal transceiving modules of which the input ends are connected with the analog-to-digital conversion module; z input ends of the signal conversion module are respectively connected with output ends of Z signal transceiving modules connected with Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

during signal transmission, the C signal transceiving modules are activated, the A analog-to-digital conversion modules are respectively used for receiving different analog signals from the A analog signal lines at the same time, converting the received analog signals into digital signals and sending the digital signals to the A signal transceiving modules, wherein A is a natural number not less than 1, and A is not less than X; meanwhile, the B signal transceiving modules are used for receiving digital signals from B digital signal wires, wherein B is a natural number not less than 1, and B is not more than Z; the C signal transceiving modules are used for sending the received digital signal data to the signal conversion module, wherein C is A + B; the signal conversion module is used for converting the received Y digital signals into serial signals and sending the serial signals to the optical signal transceiving module, and the optical signal transceiving module is used for converting the received serial signals into optical signals and sending the optical signals; the signal acquisition frequency of the signal conversion module is not less than the transmission frequency of any signal.

In a fourth aspect, the present invention further provides a photoelectric conversion system including a LISN device, where the multiple-signal photoelectric conversion system includes a LISN device including a photoelectric transceiver device provided in the third aspect of the present invention, and the multiple-signal photoelectric conversion device in the LISN device including the photoelectric transceiver device is a first photoelectric conversion device, and the LISN device including the photoelectric transceiver device is placed in a shielding room; the first photoelectric conversion device comprises a first signal conversion module, a first optical signal transceiving module, X analog-to-digital conversion modules and Y signal transceiving modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;

the first signal conversion module comprises Y input ends and an output end, the output end of the first signal conversion module is connected with the first optical signal transceiver module, and the Y input ends of the first signal conversion module are respectively connected with the output ends of the Y signal transceiver modules; the input ends of the X first signal transceiving modules are connected with the output ends of the X analog-to-digital conversion modules, the input ends of the X analog-to-digital conversion modules are connected with the X analog signal lines, and the input ends of the Z signal transceiving modules are connected with the Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

the photoelectric conversion system with the LISN device further comprises a second photoelectric conversion device, wherein the second photoelectric conversion device 400 is arranged outside the shielding room, and the second photoelectric conversion device specifically comprises a second signal conversion module, a second optical signal transceiver module, Y signal transceiver modules and X digital-to-analog conversion modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;

the second signal conversion module comprises an input end and Y output ends, the input end of the second signal conversion module is connected with the second optical signal transceiver module, and the Y output ends are respectively connected with the input ends of the Y signal transceiver modules; the output ends of the X second signal transceiving modules are connected with the input ends of the X digital-to-analog conversion modules, X analog signal lines are connected with the output ends of the X digital-to-analog conversion modules, and the output ends of the Z signal transceiving modules are connected with Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

when the signals are transmitted, the C first signal transceiving modules are activated;

the A analog-to-digital conversion modules are respectively used for receiving analog signals from the A analog signal lines at the same time, converting the received analog signals into digital signals and sending the digital signals to the A first signal transceiving modules, wherein A is a natural number not less than 1 and is not more than X;

meanwhile, the B first signal transceiving modules are used for receiving digital signals from B digital signal lines, wherein B is a natural number not less than 1, and B is less than or equal to Z;

the C first signal transceiving modules are used for sending the received digital signals to the first signal conversion module, wherein C is A + B;

the first signal conversion module is used for converting a received digital signal into a serial signal, wherein the serial signal comprises a characteristic value and target data, and sending the serial signal to the first optical signal transceiving module;

the first optical signal transceiver module is used for converting the received serial signals into optical signals and sending the optical signals to the second optical signal transceiver module;

the second optical signal transceiver module is used for converting the received optical signal into a serial signal and sending the serial signal to the second signal conversion module;

the second signal conversion module is used for converting the serial signals into C digital signals according to the preset characteristic values and the target data and transmitting the C digital signals to C activated signal transceiving modules;

the A signal transceiver modules are used for transmitting the A digital signals to the A digital-to-analog conversion modules, and the B signal transceiver modules are used for transmitting the B digital signals to the B digital-to-analog conversion modules;

the A digital-to-analog conversion modules are used for converting the A digital signals into A analog signals and respectively transmitting the A analog signals to the A analog signal lines.

In an embodiment of the present invention, the LISN power module is replaceable.

Compared with the prior art, the invention has the beneficial effects that:

according to the LISN equipment containing the photoelectric transceiving device, the photoelectric conversion module and the LISN module are arranged in the same equipment, so that a tester can replace the photoelectric conversion module as required, the LISN equipment can be conveniently used according to actual measurement requirements, and can simultaneously receive different types of signals and convert the signals into optical signals to be transmitted.

Drawings

Fig. 1 is a schematic structural diagram of an LISN apparatus including an optoelectronic transceiver according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a photoelectric conversion device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a photoelectric conversion device according to another embodiment of the present invention;

fig. 4 is a schematic structural diagram of a photoelectric conversion system including a LISN device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a photoelectric conversion system including LISN devices in a specific application scenario of the present invention;

fig. 6 is a LISN apparatus including an optoelectronic transceiver device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an LISN apparatus including an optoelectronic transceiver according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a photoelectric conversion system including a LISN device 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, wherein the exemplary embodiments and descriptions are only used for explaining the present invention, but not for limiting the present invention.

It should be noted that, in the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The invention provides a LISN device containing a photoelectric transceiver, as shown in fig. 1, comprising a housing 1, at least one multi-signal photoelectric conversion device 5, a LISN module 2 and a power interface module 3, wherein the LISN module 2 and the power interface module 3 are arranged in the housing 1;

the shell 1 is also provided with at least one slot 4 for accommodating the multi-signal photoelectric conversion device 5;

each multi-signal photoelectric conversion device 5 is provided with a first power-on interface 501, each slot 4 is provided with a power supply port 401 matched with the first power-on interface 501, each power supply port 401 is connected with the power interface module 3, each power supply port 401 is connected with the first power-on interface 501 of each multi-signal photoelectric conversion device 5, and the power input end of the LISN module 2 is connected with the power interface module 3;

as shown in fig. 2, the multi-signal photoelectric conversion device 5 includes a signal conversion module 20, an optical signal transceiver module 30, and N signal transceiver modules 10, where the N signal transceiver modules 10 are configured to adapt to at least one signal type;

the signal conversion module 20 includes N first transmission terminals and a second transmission terminal, the first transmission terminal of the signal conversion module 20 is connected to the first terminal of the first signal transceiver module 10, the second first transmission terminal of the signal conversion module 20 is connected to the first terminal of the second signal transceiver module 10, and the nth first transmission terminal of the signal conversion module 20 is connected to the first terminal of the nth signal transceiver module 10; a second end of the first signal transceiver module 10 is connected to a first signal line, a second end of the second signal transceiver module 10 is connected to a second signal line, and a second end of the nth signal transceiver module 10 is connected to an nth signal line; the second transmission end of the signal conversion module 20 is connected to one end of the optical signal transceiver module 30; during signal transmission, the M signal transceiver modules 10 are activated, and the M signal transceiver modules 10 are respectively used for receiving M different signals from the M signal lines at the same time; the M signal transceiver modules 10 are configured to send M received signals to the signal conversion module 20, where M is a natural number not less than 1, and M is not greater than N, and the M signals include at least one signal type; the signal conversion module 20 is configured to convert the received M signals into serial signals and send the serial signals to the optical signal transceiver module 30, and the optical signal transceiver module 30 is configured to convert the received serial signals into optical signals and send the optical signals; the signal acquisition frequency of the signal conversion module 20 is not less than the communication frequency of any signal transceiver module.

On one hand, after M activated signal transceiver modules 10 receive signals from connected signal lines, M signal transceiver modules 10 transmit the received M signals to signal conversion module 20, signal conversion module 20 converts the received M signals into M digital signals, and signal conversion module 20 converts the M digital signals into a serial signal, which is recorded as a first serial signal; the signal conversion module 20 sends the first serial signal to the optical signal transceiver module 30, and the optical signal transceiver module 30 converts the received first serial signal into an optical signal and sends out the optical signal, where M is a natural number not less than 1, and M is not less than N, and M signals include at least one signal type;

on the other hand, when the optical signal transceiver module 30 receives the optical signal, the optical signal transceiver module 30 converts the received optical signal into a serial signal, which is recorded as a second serial signal; the second serial signal is sent to a signal conversion module 20, the signal conversion module 20 converts the received second serial signal into P different signals, and sends the P different signals to a signal transceiver module 10 which is matched with the signal type and connected with the signal conversion module 20, the signal transceiver module 10 sends the P different signals to a signal line connected with the signal transceiver module 10, wherein P is a natural number not less than 1, and P is not less than N, and the P signals include at least one signal type; the signal acquisition frequency of the signal conversion module 20 is not less than the communication frequency of any signal transceiver module.

further, the signal conversion module 20 converts the M digital signals into a serial signal, which is denoted as a first serial signal, and specifically includes:

the signal conversion module 20 captures preset eigenvalues and target data of the M digital signals respectively, and sequentially locates the M target data according to the captured preset eigenvalues and the matched target data, so as to perform data structure analysis on the M digital signals, and convert the M digital signals into a serial signal.

furthermore, the second serial data has P target data, and the interval Q between the preset characteristic value and the k-th target data_kA character of which P, Q_kAll are natural numbers not less than 1, and k is a natural number not more than P; the signal conversion module 20 converts the received second serial signal into P different signals, which specifically includes:

the signal conversion module 20 obtains the second serial signal, and performs data structure analysis on the second serial signal; capturing a preset characteristic value in the second serial signal, sequentially positioning P target data according to the number of characters between the captured preset characteristic value and the kth target number, and further extracting P target data in the second serial signal;

and generating P different signals from the obtained P target data.

Furthermore, the second serial signal has P target data, and an interval Q between a preset characteristic value and the kth target data_kA space R between the kth target data and the (k + 1) th target data_kA character of which P, Q_k、R_kAll are natural numbers not less than 1, and k is a natural number not more than P; the signal conversion module 20 converts the received second serial signal into P different signals, which specifically includes:

the signal conversion module 20 obtains the second serial signal, and analyzes a data structure of the second serial signal; capturing a preset characteristic value in the second serial signal, further positioning the kth target data according to the captured preset characteristic value and the number of characters of a kth target data interval, further extracting the kth target data in the second serial signal, further positioning the kth +1 target data according to the number of characters of the captured kth target data and the kth +1 target data interval, and further extracting the kth +1 target data in the second serial signal until P target data are captured;

the signal conversion module 20 generates P different signals from the obtained P target data.

In an embodiment of the present invention, as shown in fig. 3, the multi-signal photoelectric conversion device 5 further includes N electrostatic protection modules 40 and N filtering modules 50;

the first signal line is connected to the input end of the first electrostatic protection module 40, the second signal line is connected to the input end of the second electrostatic protection module 40, the nth signal line is connected to the input end of the nth electrostatic protection module, the output end of the first electrostatic protection module 40 is connected to the input end of the first filtering module 50, the output end of the second electrostatic protection module 40 is connected to the input end of the second filtering module 50, the output end of the nth electrostatic protection module 40 is connected to the input end of the nth filtering module 50, and the nth output end of the nth filtering module 50 is connected to the first end of the nth signal transceiver module 10.

In a second aspect, the present invention further provides a photoelectric conversion system including LISN devices, including at least 2 LISN devices including the optoelectronic transceiver apparatus provided in the first aspect of the present invention;

the LISN equipment including the photoelectric transmitting and receiving device disposed outside the shielded room is referred to as first LISN equipment including the photoelectric transmitting and receiving device, and the multi-signal photoelectric conversion device 5 included in the first LISN equipment including the photoelectric transmitting and receiving device is referred to as a first photoelectric conversion device 100;

the LISN device including the photoelectric transmitting and receiving device disposed in the shield room is referred to as a second LISN device including a photoelectric transmitting and receiving device, and the multi-signal photoelectric conversion device 5 included in the second LISN device including a photoelectric transmitting and receiving device is referred to as a second photoelectric conversion device 200;

the first photoelectric conversion device 100 is disposed outside the shielded room, the second photoelectric conversion device 200 is disposed inside the shielded room, the module connection structure of the first photoelectric conversion device 100 and the second photoelectric conversion device 200 is shown in fig. 4, and the photoelectric conversion system including the LISN device is connected to an external signal line;

the first photoelectric conversion device 100 includes a first signal conversion module 120, a first optical signal transceiver module 130, N first electrostatic discharge protection modules 140, N first filtering modules 150, and N signal transceiver modules 110; the second conversion apparatus 200 includes a second signal conversion module 220, a second optical signal transceiver module 230, N second electrostatic protection modules 240, N second filtering modules 250, and N signal transceiver modules 210; the first photoelectric conversion device 100 is connected with a first group of signal lines, an optical signal interface of the first photoelectric conversion device 100 is connected with an optical signal interface of the second conversion device 200, and the second conversion device 200 is connected with a second group of signal lines; during signal transmission, M signal transceiver modules 110 in the first photoelectric conversion device 100 are activated, M signals are simultaneously and respectively sent to the M signal transceiver modules 110 through M electrostatic protection modules and M filtering modules, the M signal transceiver modules 110 are configured to send the received M signals to the signal conversion module 120, where M is a natural number not less than 1, M is not less than N, and the M signals include at least one signal type; the signal conversion module 120 is configured to convert the M received signals into serial signals, record the serial signals as third serial signals, and send the third serial signals to the optical signal transceiver module 130, the optical signal transceiver module 130 is configured to convert the third received serial signals into optical signals and send the optical signals to the second optical signal transceiver module 230, the second optical signal transceiver module 230 converts the received optical signals into serial signals, record the serial signals as fourth serial signals, and send the fourth serial signals to the second signal conversion module 220, the second signal conversion module 220 converts the fourth serial signals into M different signals, and sends the M different signals to the signal transceiver modules 210 matching the M signal types, respectively, and the M signal transceiver modules 210 further transmit the M signals to the second group of signals through the second filtering module 250 and the second electrostatic protection module 240 connected to the M signal transceiver modules 210, respectively A number line; the signal acquisition frequency of the signal conversion module 120 is not less than the communication frequency of any signal transceiver module.

furthermore, the fourth serial data has M target data, and the interval Q between the preset characteristic value and the g-th target data_gA character of which M, Q_gAll are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module 220 converts the fourth serial signal into M different signals, which specifically includes:

the second signal conversion module 220 obtains the fourth serial signal, and performs data structure analysis on the fourth serial signal; capturing a preset characteristic value in the fourth serial signal, sequentially positioning M target data according to the captured preset characteristic value and the character number of the g-th target data interval, and further extracting M target data in the fourth serial signal;

and generating M different signals according to the obtained M target data.

Furthermore, the fourth serial signal has M target data, and an interval Q is provided between a preset characteristic value and the g-th target data_gAn interval R between the g-th target data and the g + 1-th target data_gA character of which M, Q_g、R_gAll are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module 220 converts the fourth serial signal into M different signals, which specifically includes:

the second signal conversion module 220 obtains the fourth serial signal and analyzes a data structure of the fourth serial signal; capturing a preset characteristic value in the fourth serial signal, further positioning the g th target data according to the character number of the captured preset characteristic value and the g th target data interval, further extracting the g th target data in the fourth serial signal, further positioning the g +1 th target data according to the character number of the captured g th target data and the g +1 th target data interval, and further extracting the g +1 th target data in the fourth serial signal until the M th target data is captured;

the second signal conversion module 220 generates M different signals according to the M target data.

On one hand, when N different signals are input to the first group of signal lines, the N different signals are respectively sent to the activated N signal transceiver modules 110 through the N first electrostatic protection modules 140 and the N first filtering modules 150, the N signal transceiver modules 110 send the received signals to the first signal conversion module 120, the first signal conversion module 120 converts the received N different signals into N different digital signals, converts the N different digital signals into a serial signal, and sends the serial signal to the first optical signal transceiver module 130; the first optical signal transceiver module 130 converts the received serial signal into an optical signal and sends the optical signal to the second optical signal transceiver module 230, the second optical signal transceiver module 230 converts the received optical signal into a serial signal and sends the serial signal to the second signal conversion module 220, the second signal conversion module 220 converts the received serial signal into N different digital signals and sends the N different signals to the activated N signal transceiver modules 210, respectively, the N signal transceiver modules 210 output the N different received signals to the second group of signal lines through the second filtering module 250 and the second electrostatic module 240, wherein the N signals include at least one signal type;

similarly, on the other hand, when N different signals are input to the second group of signal lines, the N different signals are respectively sent to the activated N signal transceiver modules 210 through the N second electrostatic protection modules 240 and the N second filtering modules 250, the N signal transceiver modules 210 send the received signals to the second signal conversion module 220, the second signal conversion module 220 converts the received N different signals into N different digital signals, converts the N different digital signals into a serial signal, and sends the serial signal to the second optical signal transceiver module 230; the second optical signal transceiver module 230 converts the received serial signal into an optical signal and sends the optical signal to the first optical signal transceiver module 130, the first optical signal transceiver module 130 converts the received optical signal into a serial signal and sends the serial signal to the first signal conversion module 120, the first conversion module 120 converts the received serial signal into N different digital signals and sends the N different digital signals to the activated N signal transceiver modules 110, and the N first signal transceiver modules 110 output the N different received signals to the first group of signal lines through the N first filter modules 150 and the N first electrostatic modules 140, where the N signals include at least one signal type.

In a specific application scenario of the present invention, as shown in fig. 5, when performing an electromagnetic compatibility test in an anechoic chamber, the photoelectric conversion system including the LISN device provided by the present invention is used as a communication system communicating the inside and the outside of the anechoic chamber;

wherein, the first photoelectric conversion device 100 is arranged outside the anechoic chamber, the LISN device containing the second conversion device 200 is arranged in a shielding device, the shielding device is arranged in the anechoic chamber, the shielding device is a shielding shell, the power interface module 3 is externally connected with a 220V power supply, the electrical signal interface of the first photoelectric conversion device 100 is connected with an external first group of signal lines, the electrical signal interface of the second conversion device 200 is connected with an external second group of signal lines, the optical signal interface of the first photoelectric conversion device 100 is connected with the second conversion device 200 through an optical fiber, the signal lines in the first group of signal lines comprise CAN signal lines and pulse signal lines, the signal transceiving module 110 in the first photoelectric conversion device 100 comprises the CAN signal transceiving module 110 and the pulse signal transceiving module 110, the signal lines in the second group of signal lines comprise the CAN signal lines and the pulse signal lines, the signal transceiving module 210 in the second conversion device 200 comprises the signal transceiving module 210 and the pulse signal transceiving module 210, the first photoelectric conversion device 100 activates the CAN signal transceiver module 110 and the pulse signal transceiver module 110 in the initial state, and the second photoelectric conversion device 200 activates the CAN signal transceiver module 210 and the pulse signal transceiver module 210 in the initial state;

when testing, the power interface module 3 is externally connected with a 220V power supply; a tester inputs CAN signals and pulse signals to the first photoelectric conversion device 100 outside the dark room through a first set of CAN signal lines and pulse signal lines, the CAN signal transceiver module 110 receives the CAN signals and transmits the CAN signals to the first signal conversion module 120, the pulse signal transceiver module 110 receives the pulse signals and transmits the pulse signals to the first signal conversion module 120, the first signal conversion module 120 converts the CAN signals and the pulse signals into a serial signal, wherein the CAN signals and the pulse signals respectively include preset characteristic values and target data and transmit the serial signal to the first optical signal transceiver module 130, the first optical signal transceiver module 130 converts the serial signal into an optical signal and transmits the optical signal to the second optical signal transceiver module 230 of the second conversion device 200, and the second optical signal transceiver module 230 transmits the optical signal, the optical signal is converted into a serial signal and the serial signal is sent to a second signal conversion module 220, the second signal conversion module 220 converts the serial signal into a CAN signal and a pulse signal according to the preset characteristic value and target data of the CAN signal and the pulse signal, respectively sends the CAN signal to a CAN signal transceiving module 210 of a second conversion module 200, sends the pulse signal to the pulse signal transceiving module 210 of the second conversion module 200, and then sends the CAN signal to a second group of external CAN signal lines through the second signal conversion module 220 and the CAN signal transceiving module 210, and sends the pulse signal to a second group of pulse signal lines to complete data transmission;

similarly, when a second group of CAN signal lines and pulse signal lines input CAN signals and pulse signals to the second conversion device 200 in the darkroom, the CAN signal transceiver module 210 receives the CAN signals and transmits the CAN signals to the second signal conversion module 220, the second signal conversion module 220 converts the CAN signals and pulse signals into a serial signal, wherein the CAN signals and pulse signals each include a preset characteristic value and target data and transmits the serial signal to the second optical signal transceiver module 230, the second optical signal transceiver module 230 converts the serial signal into an optical signal and transmits the optical signal to the first optical signal transceiver module 130 of the first photoelectric conversion device 100, the first optical signal transceiver module 130 converts the optical signal into a serial signal and transmits the serial signal to the first signal conversion module 120, and the first signal conversion module 120 converts the serial signal into the serial signal according to the preset characteristic value and the target data of the CAN signals and pulse signals, the serial signals are converted into CAN signals and pulse signals, the CAN signals are respectively sent to a CAN signal transceiver module 110 of the first conversion module 100, the pulse signals are sent to the pulse signal transceiver module 110 of the first conversion module 100, the CAN signal transceiver module 110 sends the CAN signals to a first group of CAN signal lines, the pulse signals are sent to the first group of pulse signal lines, and data transmission is completed.

In a third aspect, as shown in fig. 6, the present invention further provides a LISN apparatus including an optoelectronic transceiver, including a housing 1, at least one multi-signal optoelectronic conversion device 6, and a LISN module 2 and a power interface module 3 disposed in the housing 1;

the shell 1 is also provided with at least one slot 4 for accommodating the multi-signal photoelectric conversion device 6; (ii) a

Each multi-type signal photoelectric conversion device 6 is provided with a second electrical interface 601, each slot 4 is provided with a power supply port 401 matched with the second electrical interface 601, each power supply port 401 is connected with the power interface module 3, each power supply port 401 is connected with the second electrical interface 601 of each multi-type signal photoelectric conversion device 6, and the power input end of the LISN module 2 is connected with the power interface module 3;

as shown in fig. 7, the multi-type signal photoelectric conversion device 6 includes a signal conversion module 20, an optical signal transceiver module 30, X analog-to-digital conversion modules 60, and Y signal transceiver modules 10, where X and Y are both natural numbers not less than 1, and X is not less than Y;

the input end of each analog-to-digital conversion module 60 is connected with an analog signal line, and the output end of each analog-to-digital conversion module 60 is connected with the input end of one signal transceiver module 10;

the signal conversion module 20 comprises Y input ends and an output end, wherein X input ends of the signal conversion module 20 are respectively connected with the output ends of X signal transceiving modules 10 of which the input ends are connected with the analog-to-digital conversion module 60; z input ends of the signal conversion module 20 are respectively connected to output ends of Z signal transceiving modules 10 connected to Z digital signal lines, where Z is a natural number not less than 1, and X + Z is Y;

during signal transmission, the C signal transceiver modules 10 are all activated, and the a analog-to-digital conversion modules 60 are respectively configured to receive different analog signals from the a analog signal lines at the same time, convert the received analog signals into digital signals, and send the digital signals to the a signal transceiver modules 10, where a is a natural number not less than 1, and a is not less than X; meanwhile, the B signal transceiver modules 10 are configured to receive digital signals from B digital signal lines, where B is a natural number not less than 1, and B is not greater than Z; the C signal transceiver modules 10 are configured to send the received digital signal data to the signal conversion module 20, where C is a + B; the signal conversion module 20 is configured to convert the received Y digital signal into a serial signal and send the serial signal to the optical signal transceiver module 30, and the optical signal transceiver module 30 is configured to convert the received serial signal into an optical signal and send the optical signal; the signal acquisition frequency of the signal conversion module 20 is not less than the communication frequency of any signal transceiver module.

In a fourth aspect, the present invention further provides a photoelectric conversion system including a LISN apparatus, as shown in fig. 8, including a LISN apparatus including an optoelectronic transceiver device provided in the third aspect of the present invention, where the multi-signal optoelectronic conversion device 6 in the LISN apparatus including an optoelectronic transceiver device is the first optoelectronic conversion device 300, and the LISN apparatus including an optoelectronic transceiver device is placed in a shielding room; the first photoelectric conversion device 300 includes a first signal conversion module 320, a first optical signal transceiver module 330, X analog-to-digital conversion modules 360, and Y signal transceiver modules 310, where X and Y are both natural numbers not less than 1, and X is not less than Y;

the first signal conversion module 320 includes Y input ends and an output end, the output end of the first signal conversion module 320 is connected to the first optical signal transceiver module 330, and the Y input ends of the first signal conversion module 320 are respectively connected to the output ends of the Y signal transceiver modules 310; the input ends of the X first signal transceiving modules 310 are connected with the output ends of the X analog-to-digital conversion modules 360, the input ends of the X analog-to-digital conversion modules 360 are connected with X analog signal lines, and the input ends of the Z signal transceiving modules are connected with Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

the photoelectric conversion system including the LISN device further includes a second photoelectric conversion device 400, the second photoelectric conversion device 400 is placed outside the shielded room, and the second photoelectric conversion device 400 specifically includes a second signal conversion module 420, a second optical signal transceiver module 430, Y signal transceiver modules 410, and X digital-to-analog conversion modules 470, where X and Y are both natural numbers not less than 1, and X is not less than Y;

the second signal conversion module 420 includes an input end and Y output ends, the input end of the second signal conversion module 420 is connected to the second optical signal transceiver module 430, and the Y output ends are respectively connected to the input ends of the Y signal transceiver modules 410; the output ends of the X second signal transceiving modules 410 are connected with the input end of the X digital-to-analog conversion module 470, the output ends of the X digital-to-analog conversion module 460 are connected with X analog signal lines, and the output ends of the Z signal transceiving modules are connected with Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

when the signals are transmitted, the C first signal transceiving modules 310 are activated;

the a analog-to-digital conversion modules 360 are respectively configured to receive analog signals from the a analog signal lines at the same time, convert the received analog signals into digital signals, and send the digital signals to the a first signal transceiver modules 310, where a is a natural number not less than 1, and a is not less than X;

meanwhile, the B first signal transceiver modules 310 are configured to receive digital signals from B digital signal lines, where B is a natural number not less than 1, and B is not less than Z;

the C first signal transceiving modules 310 are configured to send the received digital signal to the first signal conversion module 320, where C is a + B;

the first signal conversion module 320 is configured to convert the received digital signal into a serial signal, where the serial signal includes a characteristic value and target data, and transmit the serial signal to the first optical signal transceiver module 330;

the first optical signal transceiver module 330 is configured to convert the received serial signal into an optical signal, and send the optical signal to the second optical signal transceiver module 430;

the second optical signal transceiver module 430 is configured to convert the received optical signal into a serial signal, and send the serial signal to the second signal conversion module 420;

the second signal conversion module 420 is configured to convert the serial signal into C digital signals according to the preset feature value and the target data, and transmit the C digital signals to the C activated signal transceiver modules 410;

the a signal transceiver modules 410 are used for transmitting the a digital signals to the a digital-to-analog conversion modules 470, and the B signal transceiver modules 410 are used for transmitting the B digital signals to the B digital-to-analog conversion modules 410;

the a digital-to-analog conversion modules 470 are used for converting the a digital signals into a analog signals and transmitting the analog signals to a analog signal lines respectively.

It should be understood that the above examples are only for clearly showing the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. It will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made herein without departing from the spirit and scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. The LISN equipment containing the photoelectric transceiving device is characterized by comprising a shell, at least one multi-signal photoelectric conversion device, and a LISN module and a power interface module which are arranged in the shell;

each multi-signal photoelectric conversion device is provided with a first power-on interface, each slot is internally provided with a power supply port matched with the first power-on interface, each power supply port is connected with the power interface module, each power supply port is respectively connected with each first power-on interface, and the power input end of the LISN module is connected with the power interface module;

the signal conversion module comprises N first transmission ends and a second transmission end, wherein the first transmission end of the signal conversion module is connected with the first end of the first signal transceiver module, the second first transmission end of the signal conversion module is connected with the first end of the second signal transceiver module, and the Nth first transmission end of the signal conversion module is connected with the first end of the Nth signal transceiver module; the second end of the first signal transceiver module is connected with a first signal line, the second end of the second signal transceiver module is connected with a second signal line, and the second end of the Nth signal transceiver module is connected with an Nth signal line; the second transmission end of the signal conversion module is connected with one end of the optical signal transceiving module;

during signal transmission, the M signal transceiving modules are activated and are respectively used for receiving M different signals from M signal lines simultaneously; the M signal receiving and transmitting modules are used for sending the received M signals to the signal conversion module, wherein M is a natural number not less than 1 and is not less than N, and the M signals comprise at least one signal type;

the signal conversion module is used for converting the received M signals into serial signals and sending the serial signals to the optical signal transceiving module, and the optical signal transceiving module is used for converting the received serial signals into optical signals and sending the optical signals; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

2. The LISN apparatus having an optoelectronic transceiver device as claimed in claim 1, wherein the M signal transceiver modules are configured to send the M received signals to the signal conversion module, the signal conversion module is configured to convert the M received signals into M digital signals, and the signal conversion module is configured to convert the M digital signals into a serial signal, which is denoted as a first serial signal; the signal conversion module is used for sending the first serial signal to the optical signal transceiving module, the optical signal transceiving module is used for converting the received first serial signal into an optical signal and sending the optical signal, wherein M is a natural number not less than 1, M is not less than N, and M signals comprise at least one signal type;

when the optical signal transceiver module receives an optical signal, the optical signal transceiver module is used for converting the received optical signal into a serial signal, and the serial signal is recorded as a second serial signal; and sending the second serial signal to the signal conversion module, wherein the signal conversion module is used for converting the received second serial signal into P different signals and sending the P different signals to a signal transceiver module matched with the signal type respectively, the signal transceiver module is used for sending the P different signals to a signal wire connected with the signal transceiver module respectively, P is a natural number not less than 1, and P is not less than N, and the P signals comprise at least one signal type.

3. The LISN apparatus including optoelectronic transceiver means as claimed in claim 2, wherein each of the M digital signals has a fixed data structure, and each of the M digital signals includes a predetermined characteristic value and a target data;

the signal conversion module converts the M digital signals into a serial signal, which is denoted as a first serial signal, and specifically includes:

4. The LISN apparatus including an optoelectronic transceiver device according to claim 2, wherein the second serial signal has a fixed data structure, and the second serial signal has P predetermined characteristic values and P target data; the second serial data has P target data, and the interval Q between the preset characteristic value and the kth target data_kA character of which P, Q_kAll are natural numbers not less than 1, and k is a natural number not more than P; the signal conversion module converts the received second serial signal into P different signals, which specifically includes:

the signal conversion module acquires the second serial signal and performs data structure analysis on the second serial signal; capturing a preset characteristic value in the second serial signal, sequentially positioning P target data according to the number of characters between the captured preset characteristic value and the kth target number, and further extracting P target data in the second serial signal; and generating P different signals from the obtained P target data.

5. The LISN apparatus including an optoelectronic transceiver device according to claim 1, wherein the multi-signal optoelectronic conversion device further includes N electrostatic protection modules and N filtering modules;

wherein, first signal line is connected with first the input of electrostatic protection module, second signal line and second the input of electrostatic protection module is connected, Nth signal line and Nth the input of electrostatic protection module is connected, and is first the output of electrostatic protection module is connected with first the input of filtering module, and is second the output of electrostatic protection module is connected with the input of second filtering module, and Nth the output of electrostatic protection module and Nth the input of filtering module is connected, and Nth the Nth output of filtering module is with Nth the first end of signal transceiver module is connected.

6. An optoelectronic conversion system comprising a LISN device, comprising at least 2 LISN devices comprising optoelectronic transceiver means according to claim 5;

the first photoelectric conversion device comprises a first signal conversion module, a first optical signal transceiver module, N first electrostatic protection modules, N first filtering modules and N signal transceiver modules; the second conversion device is connected with the second group of signal lines and comprises a second signal conversion module, a second optical signal transceiver module, N second electrostatic protection modules, N second filtering modules and N signal transceiver modules; an electrical signal interface of the first photoelectric conversion device is connected with the first group of signal lines, an optical signal interface of the first photoelectric conversion device is connected with an optical signal interface of the second conversion device, and an electrical signal interface of the second conversion device is connected with the second group of signal lines;

during signal transmission, M signal transceiving modules in the first photoelectric conversion device are activated, M signals are simultaneously and respectively sent to the M signal transceiving modules through M electrostatic protection modules and M filtering modules, the M signal transceiving modules are used for sending the received M signals to the signal conversion module, wherein M is a natural number not less than 1, and M is not less than N; the signal conversion module is used for converting the received M signals into serial signals, recording the serial signals as third serial signals, and transmitting the third serial signal to an optical signal transceiver module, the optical signal transceiver module being configured to convert the received third serial signal into an optical signal and transmit the optical signal to a second optical signal transceiver module, the second optical signal transceiver module converting the received optical signal into a serial signal, which is denoted as a fourth serial signal, and sends the fourth serial signal to a second signal conversion module, which converts the fourth serial signal into M different signals, and respectively transmitting the M different signals to the M signal transceiving modules matched with the signal types, the M signal receiving and transmitting modules transmit M signals to a second group of signal lines through the second filtering module and the second electrostatic protection module which are connected with the M signal receiving and transmitting modules respectively; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

7. The photoelectric conversion system comprising a LISN device according to claim 6, wherein each of the M signals has a fixed data structure, each of the signals includes a preset characteristic value and a target data, and the fourth serial signal has M preset characteristic values and M target data;

the fourth serial data has M target data, and the interval Q between the preset characteristic value and the g-th target data_gA character of which M, Q_gAll are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module converts the fourth serial signal into M different signals, which specifically includes:

the second signal conversion module acquires the fourth serial signal and performs data structure analysis on the fourth serial signal; capturing a preset characteristic value in the fourth serial signal, sequentially positioning M target data according to the captured preset characteristic value and the character number of the g-th target data interval, and further extracting M target data in the fourth serial signal; and generating M different signals according to the obtained M target data.

8. The photoelectric conversion system comprising the LISN apparatus of claim 7, wherein the fourth serial signal has M target data, and the interval Q between the preset characteristic value and the g-th target data is set_gAn interval R between the g-th target data and the g + 1-th target data_gA character in which, among other things,M、Q_g、R_gall are natural numbers not less than 1, and g is a natural number not more than M; the second signal conversion module converts the fourth serial signal into M different signals, which specifically includes:

and the second signal conversion module generates M identical signals according to the obtained M target data.

9. The LISN equipment containing the photoelectric transceiving device is characterized by comprising a shell, at least one multi-signal photoelectric conversion device, and a LISN module and a power interface module which are arranged in the shell;

Each multi-type signal photoelectric conversion device is provided with a second conduction interface, each slot is internally provided with a power supply port matched with the second conduction interface, each power supply port is connected with the power supply interface module, each power supply port is respectively connected with the second conduction interface of each photoelectric conversion device, and the power supply input end of the LISN module is connected with the power supply interface module;

the multi-type signal photoelectric conversion device further comprises a signal conversion module, an optical signal transceiving module, X analog-to-digital conversion modules and Y signal transceiving modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;

the signal conversion module comprises Y input ends and an output end, the input ends of the X signal transceiving modules are connected with the X analog-to-digital conversion modules, and the X input ends of the signal conversion module are respectively connected with the output ends of the X signal transceiving modules; the Z input ends of the signal conversion module are respectively connected with the output ends of Z signal transceiving modules connected with Z digital signal lines, wherein Z is a natural number not less than 1, and X + Z is Y;

during signal transmission, A signal transceiving modules are activated, A analog-to-digital conversion modules are respectively used for receiving different analog signals from A analog signal lines at the same time, converting the received analog signals into digital signals and sending the digital signals to A signal transceiving modules, wherein A is a natural number not less than 1, and A is not less than X; meanwhile, the B signal transceiving modules are used for receiving digital signals from B digital signal lines, wherein B is a natural number not less than 1, and B is not more than Z; the C signal transceiving modules are used for sending the received digital signal data to the signal conversion module, wherein C is A + B; the signal conversion module is used for converting the received Y digital signals into serial signals and sending the serial signals to the optical signal transceiving module, and the optical signal transceiving module is used for converting the received serial signals into optical signals and sending the optical signals; the signal acquisition frequency of the signal conversion module is not less than the communication frequency of any signal transceiver module.

10. An optical-to-electrical conversion system comprising a LISN apparatus, wherein the optical-to-electrical conversion system for a plurality of signals comprises a LISN apparatus comprising an optical-to-electrical transceiver device according to claim 9, wherein the optical-to-electrical conversion device for a plurality of signals in the LISN apparatus comprising the optical-to-electrical transceiver device is a first optical-to-electrical conversion device, and the LISN apparatus comprising the optical-to-electrical transceiver device is disposed in a shielding room; the first photoelectric conversion device comprises a first signal conversion module, a first optical signal transceiving module, X analog-to-digital conversion modules and Y signal transceiving modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;

the photoelectric conversion system with the LISN equipment further comprises a second photoelectric conversion device, the second photoelectric conversion device is arranged outside the shielding room, the second photoelectric conversion device specifically comprises a second signal conversion module, a second optical signal transceiver module, Y signal transceiver modules and X digital-to-analog conversion modules, wherein X and Y are natural numbers not less than 1, and X is not less than Y;