CN213716154U

CN213716154U - Communication system

Info

Publication number: CN213716154U
Application number: CN202022086360.1U
Authority: CN
Inventors: 张磊; 林海雄; 刘斌; 孔繁平
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-16
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a communication system, including electromechanical control treater, transmission cable and electromechanical device treater. When the control system transmits a control signal to the electromechanical device, the first processor encodes the control signal, then the electromechanical device processor decodes the control signal, and then the control signal is respectively transmitted to the corresponding electromechanical devices; when the electromechanical device transmits the device signal to the control system, the electromechanical device processor encodes the device signal, then the electromechanical control processor decodes the device signal, and then the device signal is respectively transmitted to the corresponding control systems. It is visible, the utility model discloses a control signal and the equipment signal to the different formats carry out unified coding, and then can be through the signal of a transmission cable transmission multiple format, have reduced the kind of transmission line, and the circuit is simpler, the management of being convenient for.

Description

Communication system

Technical Field

The utility model relates to the field of communications, especially, relate to a communication system.

Background

In the prior art, a control system of each electromechanical device generally performs signal transmission with the electromechanical device through an electromechanical control processor, and specifically, the control system of each electromechanical device transmits a control signal to the electromechanical control processor, and the electromechanical control processor forwards the control signal to the corresponding electromechanical device to control the electromechanical device. The signal transmission between the electromechanical control processor and each electromechanical device is generally performed in two ways, one is in a bus mode, and the electromechanical control processor is connected with each electromechanical device in a bus mode. The other is a multi-wire system and controller mode, namely a controller is arranged near a plurality of electromechanical devices, a bus mode is adopted between the electromechanical device control processor and the controller, and the controller is respectively connected with each electromechanical device connected with the controller. Because the signal formats required to be transmitted by the electromechanical devices may be different, the types of the lines required in the buses in the two modes are more, and the lines are complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a communication system can be through the signal of a transmission cable transmission multiple form, has reduced the kind of transmission line, and the circuit is simpler, the management of being convenient for.

In order to solve the above technical problem, the utility model provides a communication system, this system includes:

the electromechanical control processor is connected with the control systems and is used for uniformly coding the control signals output by the control systems to obtain coded control signals; decoding the received coding equipment signal to obtain an equipment signal, and transmitting the equipment signal to a corresponding control system;

the transmission cable is connected with the electromechanical control processor at one end and is used for transmitting the coding control signal and the coding equipment signal;

the electromechanical device processor is respectively connected with the other end of the transmission cable and the electromechanical devices and is used for coding device signals output by the electromechanical devices to obtain coded device signals; and decoding the coded control signal to obtain the control signal, and transmitting the control signal to the corresponding electromechanical equipment.

Preferably, the transmission cable is an optical fiber, further comprising:

the first photoelectric conversion module is connected with the output end of the first processor and used for converting the coded control signal from an electric signal to an optical signal to obtain a coded control optical signal; converting the optical signal of the coding equipment into an electric signal from an optical signal to obtain a coding equipment signal;

the second photoelectric conversion module is connected with the first photoelectric conversion module at one end and the plurality of electromechanical device processors at the other end, and is used for converting the coding device signal from an electric signal to an optical signal to obtain the coding device optical signal; and converting the coded control optical signal from an optical signal to an electrical signal to obtain the coded control signal.

Preferably, the number of the electromechanical device processors is multiple, and the method further includes:

and the control processors are respectively connected with the second photoelectric conversion module and the plurality of electromechanical device processors and are used for selecting the corresponding electromechanical device processor according to the coding control signal and outputting the coding control signal to the selected electromechanical device processor.

Preferably, the method further comprises the following steps:

the optical splitting module is arranged between the first photoelectric conversion module and the second photoelectric conversion module and is used for splitting the coding control optical signal output by the first photoelectric conversion module or the previous optical splitting module into multiple paths and transmitting the multiple paths of the coding control optical signal to the second photoelectric conversion module and/or the next optical splitting module; and combining the optical signals of the coding equipment output by the second photoelectric conversion module and/or the next-stage optical splitting module into one path and transmitting the path to the first photoelectric conversion module or the previous-stage optical splitting module.

Preferably, the optical splitting module, the second photoelectric conversion module connected to the optical splitting module, and the electromechanical device processor connected to the second photoelectric conversion module are disposed in a low-voltage power distribution cabinet of a level corresponding to the optical splitting module.

Preferably, when the signals received and output by the electromechanical device are analog signals, the method further comprises:

the analog-to-digital conversion module is used for converting the equipment signals from analog quantity to digital quantity to obtain equipment signals of digital quantity;

and the digital-to-analog conversion module is used for converting the control signals from digital quantity to analog quantity to obtain control signals of the analog quantity.

Preferably, the method further comprises the following steps:

the first signal adjusting module is used for carrying out one or more combinations of filtering, amplification/attenuation and amplitude limiting on the equipment signals of analog quantity;

and the second signal regulating module is used for carrying out one or more combinations of filtering, amplifying/attenuating and amplitude limiting on the control signal of the analog quantity.

Preferably, the method further comprises the following steps:

and the buffer module is used for buffering the transmission rate of the digital control signal and the digital equipment signal.

Preferably, the method further comprises the following steps:

and the power supply module is connected with a power supply output end of a low-voltage power distribution cabinet for supplying power to the electromechanical equipment and is used for converting an output power supply of the low-voltage power distribution cabinet into a second photoelectric conversion module connected with the light splitting module at the same level as the low-voltage power distribution cabinet and supplying power to the electromechanical equipment processor connected with the second photoelectric conversion module.

Preferably, the power supply module includes:

the voltage transformation module is used for converting the high-voltage alternating current output by the low-voltage power distribution cabinet into low-voltage alternating current;

the rectification module is used for rectifying the low-voltage alternating current into low-voltage direct current;

and the voltage stabilizing module is used for stabilizing the voltage of the low-voltage direct current.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the prior art and the embodiments are briefly introduced 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 to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a communication system provided by the present invention;

fig. 2 is a schematic structural diagram of another communication system provided by the present invention;

fig. 3 is a schematic diagram of a power transmission and distribution system in the prior art provided by the present invention;

fig. 4 is a schematic diagram of a communication system provided by the present invention;

FIG. 5a is a schematic view of a prior art top hat mounting rail;

FIG. 5b is a schematic view of a C-shaped mounting rail of the prior art;

fig. 5c is a schematic view of a prior art mounting rail of the G-type.

Detailed Description

The core of the utility model is to provide a communication system can be through the signal of a transmission cable transmission multiple format, has reduced the kind of transmission line, and the circuit is simpler, the management of being convenient for.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a communication system according to the present invention, the system includes:

the electromechanical control processor 1 is connected with the plurality of control systems and is used for uniformly coding the control signals output by the control systems to obtain coded control signals; decoding the received coding equipment signal to obtain an equipment signal, and transmitting the equipment signal to a corresponding control system;

the transmission cable 2 is connected with the electromechanical control processor 1 at one end and is used for transmitting a coding control signal and a coding equipment signal;

the electromechanical device processor 3 is respectively connected with the other end of the transmission cable 2 and the plurality of electromechanical devices and is used for coding device signals output by the electromechanical devices to obtain coded device signals; and decoding the coded control signal to obtain a control signal, and transmitting the control signal to the corresponding electromechanical device.

In the prior art, because the signal formats transmitted between each electromechanical device and the control system of each electromechanical device are different, the transmission lines used between each electromechanical device and the control system of each electromechanical device are also different, the types and the number of the transmission lines are more, and the management is difficult.

Based on this, the electromechanical control processor 1 and the electromechanical device processor 3 are provided, wherein the electromechanical device processor 3 is connected with each device, the electromechanical control processor 1 is connected with each control system, when the control system transmits a control signal to the electromechanical device, the electromechanical control processor 1 uniformly encodes the control signal, and then transmits the control signal to the electromechanical device processor 3 through the transmission cable 2, and the electromechanical device processor 3 decodes the encoded control signal and then respectively transmits the encoded control signal to the corresponding electromechanical device. Similarly, when the electromechanical device sends a device signal to the control system, the electromechanical device processor 3 uniformly codes the device signal, then the device signal is transmitted to the electromechanical control processor 1 through the transmission cable 2, the electromechanical control processor 1 decodes the coded device signal, and then the coded device signal is respectively transmitted to the corresponding control system.

Specifically, the control signals and the device signals are encoded based on the communication protocol of the transmission cable 2 in the present application. The control signal and the device signal in the present application may be one or more, and if one, one control signal or one device signal is directly encoded and decoded for transmission; if the number of the signals is multiple, the control signals or the equipment signals are uniformly coded and then are uniformly transmitted through the transmission cable 2, and the corresponding electromechanical control processor 1 or the corresponding electromechanical equipment processor 3 respectively identifies the control signals or the equipment signals and respectively transmits the control signals or the equipment signals to the corresponding control system or the corresponding electromechanical equipment.

It should be noted that, when some signals conforming to the format of the transmission cable 2 are transmitted, the signals do not need to be encoded and decoded, and the signals conforming to the format of the transmission cable 2 are directly transmitted.

In summary, the communication system provided by the present application uniformly encodes the control signals and the device signals in different formats, and then can transmit signals in multiple formats through one transmission cable 2, thereby reducing the types of transmission lines, and the line is simple and convenient to manage.

On the basis of the above-described embodiment:

referring to fig. 2, fig. 2 is a schematic structural diagram of another communication system provided by the present invention.

As a preferred embodiment, the transmission cable 2 is an optical fiber, and further includes:

the first photoelectric conversion module 21 is connected with the output end of the first processor and is used for converting the coded control signal from an electric signal to an optical signal to obtain a coded control optical signal; converting the optical signal of the coding equipment into an electric signal from an optical signal to obtain a coding equipment signal;

a second photoelectric conversion module 23, one end of which is connected to the first photoelectric conversion module 21 and the other end of which is connected to the plurality of electromechanical device processors 3, for converting the coding device signal from an electrical signal to an optical signal to obtain a coding device optical signal; and converting the coded control optical signal into an electrical signal from an optical signal to obtain a coded control signal.

In this embodiment, the transmission cable 2 may be an optical fiber, and since the optical fiber transmits an optical signal and the electromechanical device and the control system transmit an electrical signal, the present application further includes a first photoelectric conversion module 21 and a second photoelectric conversion module 23. Specifically, when the control system transmits a control signal to the electromechanical device, the first photoelectric conversion module 21 converts the control signal from an electrical signal to an optical signal, and then transmits the optical signal to the second photoelectric conversion module 23 through an optical fiber, the second photoelectric conversion module converts the control signal from the optical signal to the electrical signal, and the electromechanical control processor 1 processes the control signal. When the electromechanical device transmits a device signal to the control system, the second photoelectric conversion module 23 converts the device signal from an electrical signal to an optical signal, and then transmits the optical signal to the first photoelectric conversion module 21 through an optical fiber, the first photoelectric conversion module converts the device signal from the optical signal to the electrical signal, and the electromechanical device processor 3 processes the device signal.

Specifically, the first photoelectric conversion module 21 in this embodiment may be, but is not limited to, an OLT (Optical Line Terminal), which is a Terminal device connected to a trunk of an Optical fiber. The second photoelectric conversion module 23 may be, but is not limited to, a photoelectric conversion module in an ONU (Optical Network Unit). The OLT transmits the coded control optical signals to the ONU, and the ONU collects the device optical signals of each electromechanical device and transmits the device optical signals to the OLT through the optical fiber. In the present application, the optical fiber is respectively connected to the first photoelectric conversion module 21 and the second photoelectric conversion module 23 through an optical interface, where the interface may be a standard optical interface such as LC/SC/FC/ST, and which optical interface is specifically used depends on the actual situation.

This application uses optic fibre as transmission cable 2, and optical fiber transmission has fast, transmission distance is far away and transmission loss is low characteristics. In addition, the transmission cable 2 in the present application is not limited to an optical fiber, and may also be other transmission cables 2 capable of transmitting signals, which is not described herein again.

As a preferred embodiment, there are a plurality of electromechanical device processors 3, and the electromechanical device processor further includes:

and the control processor 24 is connected to the second photoelectric conversion module 23 and the plurality of electromechanical device processors 3, and is configured to select a corresponding electromechanical device processor 3 according to the encoded control signal and output the encoded control signal to the selected electromechanical device processor 3.

In this embodiment, the interface of one mechatronic device processor 3 is limited, and when the number of signals transmitted by a plurality of mechatronic devices is greater than the number of interfaces of the mechatronic device processor 3, and a plurality of mechatronic device processors 3 are required, it is necessary to select to which mechatronic device processor 3 to transmit the signals. Based on this, the present application further provides the control processor 24, which identifies the received coded control signal to select the corresponding mechatronic device processor 3, and then outputs the coded control signal to the selected mechatronic device processor 3.

Specifically, if the control processor 24 is connected to 3 electromechanical device processors 3, which are respectively No. 1-3, and each electromechanical device processor 3 is sequentially connected to electromechanical devices No. 1-12, when the control processor 24 receives the coded control signals of electromechanical devices No. 4 and No. 8, it selects to output the control signal of electromechanical device No. 4 to electromechanical device processor No. 1 connected to the electromechanical device, and outputs the control signal of electromechanical device No. 8 to electromechanical device processor No. 2 connected to the electromechanical device, and then the electromechanical device processor No. 1 outputs the control signal of electromechanical device No. 4 to electromechanical device No. 4, and the electromechanical device processor No. 2 selects to output the control signal of electromechanical device No. 8 to electromechanical device No. 8, so as to complete the selection and transmission of the control signal. In addition, when the second optical-to-electrical conversion module 23 is an optical-to-electrical conversion module in an ONU, the control processor 24 here may be a processor module in the ONU.

As a preferred embodiment, the method further comprises the following steps:

the optical splitting module 22 is disposed between the first photoelectric conversion module 21 and the second photoelectric conversion module 23, and is configured to split the coded control optical signal output by the first photoelectric conversion module 21 or the previous-stage optical splitting module 22 into multiple paths and transmit the multiple paths to the second photoelectric conversion module 23 and/or the next-stage optical splitting module 22; the optical signals of the encoding device output by the second photoelectric conversion module 23 and/or the next-stage optical splitting module 22 are combined into one path and transmitted to the first photoelectric conversion module 21 or the previous-stage optical splitting module 22.

Given the variety of forms of building and building complex communications, the mechatronic devices are typically distributed throughout the various corners of the building and the control system needs to transmit control signals to each of the mechatronic devices, which requires lengthy transmission lines to be used in this manner given the prior art transmission lines required to connect to each of the mechatronic devices.

Based on this, the optical splitting module 22 is further provided, the optical splitting module 22 can divide the transmitted signals into different levels, and the coded control optical signals are respectively transmitted to the electromechanical devices close to the level optical splitting module 22, that is, each electromechanical device can perform signal transmission with the corresponding control system only by being connected with the adjacent optical splitting module 22, so that the length of the transmission line is reduced. The optical splitting module 22 splits the coded control optical signal output by the first photoelectric conversion module 21 or the previous-stage optical splitting module 22 into multiple paths and transmits the multiple paths to the second photoelectric conversion module 23 and/or the next-stage optical splitting module 22; the optical signals of the encoding device output by the second photoelectric conversion module 23 and/or the next-stage optical splitting module 22 are combined into one path and transmitted to the first photoelectric conversion module 21 or the previous-stage optical splitting module 22.

Specifically, the Optical splitting module 22 may be an ODN (Optical Distribution Network). Taking the third-level optical splitting module 22 as an example, when the control module transmits a control signal to the electromechanical device, the first-level optical splitting module 22 splits the coded control optical signal output by the first photoelectric conversion module 21 into a plurality of paths, and transmits the paths to the second conversion module and the second-level optical splitting module 22 which are connected with the first-level optical splitting module; the second-stage light splitting module 22 splits the encoding control light signal into a plurality of paths to be transmitted to the second photoelectric conversion module 23 and the third-stage light splitting module 22 which are connected with the second-stage light splitting module 22, and the third-stage light splitting module 22 splits the encoding control light signal into a plurality of paths to be transmitted to the second photoelectric conversion module 23 which is connected with the third-stage light splitting module 22. When the electromechanical device transmits a device signal to the control system, the triode light splitting module 22 collects the coding device optical signal of the second photoelectric conversion module 23 connected with the triode light splitting module 22 and transmits the coding device optical signal to the second light splitting module 22, the second light splitting module 22 collects the coding device optical signal output by the second photoelectric conversion module 23 connected with the second light splitting module 22 and the third light splitting module 22 and combines the coding device optical signal into one path to be transmitted to the first light splitting module 22, and the first light splitting module 22 collects the coding device optical signal output by the second photoelectric conversion module 23 connected with the first light splitting module 22 and the second light splitting module 22 and combines the coding device optical signal into one path to be transmitted to the first photoelectric conversion module 21, wherein the specific number of the stages of the light splitting module 22 is determined according to the actual situation.

As a preferred embodiment, the optical splitting module 22, the second photoelectric conversion module 23 connected to the optical splitting module 22, and the electromechanical device processor 3 connected to the second photoelectric conversion module 23 are disposed in the low voltage distribution cabinet of the level corresponding to the optical splitting module 22.

Please refer to fig. 3 and fig. 4, fig. 3 is the utility model provides a transmission and distribution system's among the prior art principle schematic diagram, fig. 4 is the utility model provides a pair of communication system's principle schematic diagram, it is visible, set up the low voltage distribution cabinet of different ranks according to electromechanical device's position and type among the transmission and distribution system, the communication system that this application provided has similar system architecture with transmission and distribution system, for the convenience of management, this application sets up light-dividing module 22, the second photoelectric conversion module 23 of being connected with light-dividing module 22 and electromechanical device treater 3 of being connected with second photoelectric conversion module 23 in the low voltage distribution cabinet that corresponds the rank with light-dividing module 22.

For example, the primary optical splitting module 22, the second photoelectric conversion module 23 connected to the primary optical splitting module 22, and the electromechanical device processor 3 connected to the second photoelectric conversion module 23 are disposed in the primary low-voltage power distribution cabinet, and the primary low-voltage power distribution cabinet in fig. 3 supplies power to the electromechanical devices connected thereto, so that the control system of the electromechanical devices connected to the primary low-voltage power distribution cabinet performs signal transmission between the primary optical splitting module 22 and the electromechanical devices. This application sets up in the low-voltage distribution cabinet of the rank corresponding with light splitting module 22 through with light splitting module 22, the second photoelectric conversion module 23 of being connected with light splitting module 22 and the electromechanical device treater 3 of being connected with second photoelectric conversion module 23, realizes mechatronics, the management of being convenient for more. In addition, in the present embodiment, the optical splitting module 22, the second photoelectric conversion module 23 connected to the optical splitting module 22, and the electromechanical device processor 3 connected to the second photoelectric conversion module 23 may be installed in the low voltage power distribution cabinet of the level corresponding to the optical splitting module 22 by using guide rails in the form of discrete modules, partially integrated modules, or fully integrated modules, please refer to fig. 5a, 5b, and 5C, fig. 5a is a schematic diagram of a top hat installation guide rail in the prior art, fig. 5b is a schematic diagram of a C-type installation guide rail in the prior art, and fig. 5C is a schematic diagram of a G-type installation guide rail in the prior art, which kind of guide rail is specifically used according to actual situations.

In addition, the optical fibers and the transmission cables of the power transmission and distribution system can be arranged in a composite cable or binding mode, so that the lines are more orderly, the daily maintenance and management are facilitated, and the searching and the positioning are facilitated when the lines break down.

As a preferred embodiment, when the signal received and output by the electromechanical device is an analog signal, the method further comprises:

one end of the analog-to-digital conversion module is connected with a plurality of electromechanical devices, and the other end of the analog-to-digital conversion module is connected with the electromechanical device processor 3 and used for converting the device signals from analog quantity to digital quantity to obtain device signals of the digital quantity;

one end of the digital-to-analog conversion module is connected with a plurality of electromechanical devices, and the other end of the digital-to-analog conversion module is connected with the electromechanical device processor 3 and used for converting the control signal from digital quantity to analog quantity to obtain a control signal of the analog quantity.

Considering that signals received and sent by the electromechanical equipment can be analog signals, and only digital signals can be transmitted in the optical fiber, the application is also provided with an analog-to-digital conversion module and a digital-to-analog conversion module, wherein the analog-to-digital conversion module converts the equipment signals from analog quantity to digital quantity; the digital-to-analog conversion module converts the control signal from digital quantity to analog quantity. The analog signals include, but are not limited to, voltage, current, time, and period.

As a preferred embodiment, the method further comprises the following steps:

the first signal adjusting module is used for carrying out one or more combinations of filtering, amplification/attenuation and amplitude limiting on the equipment signals of the analog quantity;

In consideration of the situation that the signal is too large/small or clutter exists when the analog signal is transmitted, the method and the device further comprise a first signal regulating module and a second signal regulating module, and one or more combinations of filtering, amplifying/attenuating and amplitude limiting processing are respectively carried out on the analog equipment signal and the control signal, so that the reliability and the safety of the communication system are guaranteed.

As a preferred embodiment, the method further comprises the following steps:

Considering that the buffer module inside the mechatronic device processor 3 may have an anomaly and cannot buffer the transmission rate of the digital amount of control signals and the digital amount of device signals, the reliability of the signal transmission is affected.

Based on this, this application has still set up the buffering module, and the transmission rate of the control signal of digital quantity and the equipment signal of digital quantity of input and output to electromechanical device processor 3 is buffered, has guaranteed the reliability of signal transmission process.

As a preferred embodiment, the method further comprises the following steps:

and the power supply module is connected with a power supply output end of a low-voltage power distribution cabinet for supplying power to the electromechanical equipment and is used for converting an output power supply of the low-voltage power distribution cabinet into a second photoelectric conversion module 23 connected with the optical splitting module 22 in the same level as the low-voltage power distribution cabinet and supplying power to the electromechanical equipment processor 3 connected with the second photoelectric conversion module 23.

In consideration of the fact that there may be no unified power module in the prior art to supply power to the second photoelectric conversion module 23 connected to the optical splitting module 22 of the same level as the low-voltage power distribution cabinet and the electromechanical device processor 3 connected to the second photoelectric conversion module 23, it is not beneficial to unified management.

Based on this, the application also sets up a power module, and the output power of the power module is unified into the second photoelectric conversion module 23 connected with the optical splitting module 22 of the same level as the low-voltage distribution cabinet and the electromechanical device processor 3 connected with the second photoelectric conversion module 23 for supplying power, wherein the output power of the power module is obtained by converting the power of the low-voltage distribution cabinet for supplying power to the electromechanical device. The second photoelectric conversion module 23 connected with the optical splitting module 22 in the same level as the low-voltage power distribution cabinet and the electromechanical device processor 3 connected with the second photoelectric conversion module 23 are supplied with power uniformly through the power module, and unified management is facilitated.

As a preferred embodiment, the power supply module includes:

the voltage transformation module is used for converting high-voltage alternating current output by the low-voltage power distribution cabinet into low-voltage alternating current;

Specifically, the power supply module in this embodiment converts the high-voltage ac at the power output end of the low-voltage power distribution cabinet that supplies power to the electromechanical device thereof into the low-voltage ac, then rectifies the low-voltage ac, and finally stabilizes the low-voltage dc, and finally outputs the stabilized low-voltage dc to the second photoelectric conversion module 23 connected to the optical splitting module 22 of the same level as the low-voltage power distribution cabinet and the electromechanical device processor 3 connected to the second photoelectric conversion module 23 for supplying power. In addition, the low-voltage direct current output by the power supply module can also supply power for a sensor or other modules in the electromechanical equipment which need the low-voltage direct current, and the low-voltage alternating current output by the voltage transformation module can also supply power for the modules in the electromechanical equipment which need the low-voltage direct current for power supply.

In this embodiment, the voltage transformation module transforms 220V ac high voltage at the power output end of the low voltage power distribution cabinet for supplying power to the electromechanical device into low voltage ac of the weak current system, where the low voltage ac includes but is not limited to 36V, 24V, 12V or 5V, and then outputs the low voltage ac through the output terminal to supply power to the ac module of some electromechanical devices, and also rectifies and stabilizes the low voltage ac to obtain safe low voltage dc, and then outputs the low voltage dc through the output terminal to supply power to the second photoelectric conversion module 23 connected to the optical splitting module 22 of the same level as the low voltage power distribution cabinet, the electromechanical device processor 3 connected to the second photoelectric conversion module 23, and the dc module of some electromechanical devices.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A communication system, comprising:

2. The communication system of claim 1, wherein the transmission cable is an optical fiber, further comprising:

the first photoelectric conversion module is connected with the output end of the electromechanical control processor and used for converting the coded control signal from an electric signal to an optical signal to obtain a coded control optical signal; converting the optical signal of the coding equipment into an electric signal from an optical signal to obtain a coding equipment signal;

3. The communication system of claim 2, wherein the mechatronic device processor is a plurality, further comprising:

4. The communication system of claim 2, further comprising:

5. The communication system of claim 4, wherein the optical splitting module, the second photoelectric conversion module connected to the optical splitting module, and the electromechanical device processor connected to the second photoelectric conversion module are disposed in a low voltage distribution cabinet of a level corresponding to the optical splitting module.

6. The communication system of claim 2, wherein when the signals received and output by the mechatronic device are analog signals, further comprising:

7. The communication system of claim 6, further comprising:

8. The communication system of claim 6, further comprising:

9. The communication system of claim 5, further comprising:

10. The communication system of claim 9, wherein the power module comprises: