CN116054398A - Real-time weak current power distribution equipment based on Internet of things and control method thereof - Google Patents
Real-time weak current power distribution equipment based on Internet of things and control method thereof Download PDFInfo
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- CN116054398A CN116054398A CN202211733321.3A CN202211733321A CN116054398A CN 116054398 A CN116054398 A CN 116054398A CN 202211733321 A CN202211733321 A CN 202211733321A CN 116054398 A CN116054398 A CN 116054398A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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Abstract
The application provides a real-time weak current distribution equipment based on thing networking, it includes: the main controller is used for realizing the main control of the power distribution equipment; the internet of things module comprises a data sensing layer, a data transmission layer and a data management layer; the system comprises a main controller, an Internet of things module, a cloud end main controller and a cloud end main controller, wherein a data interaction channel is arranged between the main controller and the Internet of things module; wherein the power distribution equipment comprises at least one main power supply and a plurality of power distribution channels are correspondingly arranged, and in this way, each power distribution equipment can provide at least an alternating current and direct current power supply interface. The application also relates to a control method of the real-time weak current power distribution equipment based on the Internet of things. The real-time weak current power distribution equipment based on the Internet of things and the control method thereof have the advantages of controllability, strong real-time performance, high safety, low occupied network bandwidth and the like.
Description
Technical Field
The application relates to the technical field of rail transit security cameras for power supply, in particular to real-time weak current power distribution equipment based on the Internet of things and a control method thereof.
Background
The weak current distribution equipment used in the existing track traffic security camera monitoring system mainly adopts a structure based on an Ethernet gateway and a serial port 458 bus, and the communication protocol adopts Modbus and SNMP.
In terms of the communication bus, the weak current device in the above technology cannot simultaneously meet the requirements of independent output control and high-efficiency communication of multiple paths of voltages due to weak processing capacity of a Main Chip (MCU), and generally, the power distribution device adopts serial port 485 cascade connection and forwards through an Ethernet gateway, so that the following technical problems exist: 1) The monitoring system is distributed for a long distance, distributed point distribution is needed to be arranged in the rail transit security network, wiring is difficult, and the cost of wire consumption is high; 2) The serial port 485 bus is forced by a distance factor, so that the baud rate often has to be reduced to ensure the correctness of data; 3) Because the 485 bus is bridged with a plurality of independent power distribution devices, the state of the 485 bus must be sequentially polled when being read, thus leading to larger delay of data response and extremely poor real-time performance.
In terms of communication protocols, the existing weak current power distribution equipment adopts Modbus and SNMP protocols, and the two protocols are both in a Client/Server structure, namely the weak current power distribution equipment is a Server, a human-computer interface or a control center is a Client, 1) when the human-computer interface or the control center needs to read the data of each weak current power distribution equipment, the command of sending synchronous data to the weak current equipment must be repeated continuously, so that the command queue of data inquiry is seriously delayed, the inquiry returns a lot of waste data which are not updated, and important system alarm data cannot be read timely; 2) And secondly, the Modbus or SNMP protocol is adopted, and the message adopts a plaintext, is easy to monitor or tamper, and is extremely unsafe.
For this reason, there is a continuous need in the art to develop a real-time weak current power distribution apparatus and a control method thereof.
Disclosure of Invention
The purpose of the application is to provide real-time weak current power distribution equipment based on the Internet of things and a control method thereof.
In order to solve the technical problems, the application provides the following technical scheme.
In a first aspect, the present application provides a real-time weak current power distribution device based on the internet of things, comprising:
the main controller is used for realizing the main control of the power distribution equipment;
the internet of things module comprises a data sensing layer, a data transmission layer and a data management layer;
a data interaction channel is arranged between the main controller and the Internet of things module, and the Internet of things module realizes information interaction through the main controller and the cloud overall control;
at least one main power supply, corresponding to a plurality of distribution channels, each distribution equipment can at least provide alternating current and direct current power supply interfaces in different voltage ranges;
a plurality of voltage conversion modules and a plurality of power supply control units are arranged between the main power supply and a plurality of distribution channels, and each voltage conversion module, each power supply control unit and each distribution channel form an independent power supply unit of a channel.
In an implementation manner of the first aspect, the internet of things module includes data collection of at least three channels, the first channel is for realizing data collection of each power supply channel in interaction with the power supply control unit, and the second channel is for executing data collection for a terminal of a power supply port.
In one implementation manner of the first aspect, the cloud end overall control of the monitoring system and the main controllers disposed in the plurality of power distribution devices perform control in a distributed manner.
In an implementation manner of the first aspect, the internet of things module automatically synchronizes the device state to the human-machine interface program through COAP/MQTT/HTTPS protocol.
In one implementation manner of the first aspect, the power distribution device operating system is a FreeRTOS operating system.
In a second aspect, the present application further discloses a control method of a real-time weak current power distribution device based on the internet of things, which includes:
the main controller is communicated with the power supply control unit of each channel to acquire the power supply output and channel occupation information of each channel; under the condition that the power supply output and the channel occupation reach a certain proportion, the main controller is communicated with a first channel in the Internet of things module, a corresponding data perception layer channel is started, and data perception of the corresponding channel is started;
the internet of things module performs analysis on the data acquired by the first channel, judges the power distribution condition of the power supply channel, and controls the acquisition of data perception of the second channel and the third channel under the condition that the power distribution exceeds a set range to acquire the overall operation condition of the power distribution equipment;
after the data acquisition of the second channel and the third channel is started, the data management layer of the Internet of things module analyzes the relation between the data of the second channel and the data of the first channel based on the data acquired by the second channel.
In an embodiment of the second aspect, after the data are acquired by the internet of things module, the main control module uploads the cloud end total control, and the optimization scheme of the power supply stability is integrally allocated through data calculation of the cloud end total control.
In one embodiment of the second aspect, for each power supply control unit, data analysis is performed on the current and voltage parameters output historically, whether there is a trend of occurrence of a safety event is judged, and when it is judged that there is a trend of occurrence of a safety event, alarm information is output.
In one embodiment of the second aspect, the method further comprises: detecting whether local data of the power distribution equipment changes; after detecting that the local data change, the changed local data are synchronized to the cloud through the Internet of things module.
In one implementation manner of the second aspect, the power distribution device operating system is a FreeRTOS operating system.
The application also discloses a non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the above-described method.
The application also discloses a computer program product comprising a computer program which, when executed by a processor, implements the above-mentioned method.
Compared with the prior art, the positive effects of the application are as follows:
(1) The real-time weak point distribution equipment is characterized in that an Internet of things module is applied to the field of rail transit security camera power supply, the control cooperation between the Internet of things module and a main control is adopted to output the power supply voltage and current requirements of cameras under a plurality of independent channels, the cameras are matched with proper direct current or alternating current power supply, the data sensing channels of the Internet of things are utilized to perform real-time detection and analysis on the stability of the power supply of each channel, the data sensing system of the Internet of things is utilized to assist in coordinating the power supply channels under the condition of heavier power supply load, the relation between the environment and the power supply stability can be finely sensed and analyzed, and data and protocol channel resources are allocated to ensure the safe stability output of the distribution equipment;
(2) The control method between the Internet of things module and the main controller is further optimized, the weight and the resources of the control authority between the Internet of things module and the main controller are coordinated and distributed from the perspective of total control of the cloud, and the data transmission resources are dynamically distributed by utilizing multiple protocol types of the Internet of things, so that the fine control of the power distribution equipment is realized;
in a word, the real-time weak current distribution equipment based on the Internet of things, which is realized according to the application, has the advantages of controllability, strong real-time performance, high safety, low occupied network bandwidth and the like.
Drawings
Fig. 1 is a schematic diagram of a module composition structure of a real-time weak current power distribution device based on the internet of things according to the implementation of the present application.
Fig. 2 is a schematic diagram of a system composition structure of a real-time weak current power distribution device based on the internet of things according to the implementation of the present application.
Fig. 3 is a schematic diagram of a module composition structure of another real-time weak current power distribution device based on the internet of things according to the implementation of the present application.
Fig. 4 is a schematic diagram of an internet of things module composition structure in real-time weak current power distribution equipment based on the internet of things according to the implementation of the application.
Fig. 5 is a schematic flow structure diagram of a real-time weak current power distribution equipment control method based on the internet of things according to the implementation of the present application.
Detailed Description
Unless defined otherwise, technical or scientific terms used in the specification and claims should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application can be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1-2, the application discloses a real-time weak current power distribution device based on the internet of things, which comprises a main controller and an internet of things module.
The main controller is used for realizing the main control of the power distribution equipment; the cloud total control of the monitoring system and the main controller arranged in the plurality of power distribution equipment execute control in a distributed mode.
The internet of things module comprises a data sensing layer, a data transmission layer and a data management layer. In this embodiment, be provided with the data interaction passageway between main control unit and the thing networking module to this mode, main control unit establishes the connection to the thing networking module, and the thing networking module passes through main control unit and the total control of high in the clouds and realizes information interaction, in other embodiments of this application, thing networking module and the total control of high in the clouds can directly realize information interaction. In this embodiment, each power distribution device includes an independent man-machine interaction program, where the main controller and the internet of things module can interact with the user through the man-machine interaction program.
The power distribution equipment comprises at least one total power supply and is provided with a plurality of power distribution channels correspondingly, and in this way, each power distribution equipment can at least provide an alternating current power supply interface and a direct current power supply interface so as to supply power to cameras in the monitoring system. The system comprises a main power supply, a plurality of voltage conversion modules and a plurality of power supply control units, wherein the voltage conversion modules are arranged between the main power supply and a plurality of distribution channels, and each voltage conversion module, each power supply control unit and each distribution channel form an independent power supply unit of a channel. The main controller and the power supply control units are interacted to realize independent control of each power supply channel, each power supply control unit is connected with the voltage conversion module, and conversion of voltage and power of the total power supply and the power supply interface is realized through the voltage conversion module.
As shown in fig. 4, the data sensing layer in the internet of things module in the present application includes data collection of at least three channels, where the first channel is for realizing data collection of each power supply channel, the second channel is for executing data collection for a working state of a terminal of a power supply port, such as a camera, and the third channel is for collecting other data channels of a power distribution device, including but not limited to temperature, heat dissipation, humidity, and the like. In one embodiment, the data transmission layer in the internet of things module comprises a plurality of data transmission channels, namely a LoRa module, a NBIot module and a 4G/5G module, so that more data acquisition and transmission modes are compatible. The software actively synchronizes the latest state of the equipment to the human-computer interface program in a PUSH (PUSH) mode through the COAP/MQTT/HTTPS protocol. The method comprises the steps of detecting whether local data of the power distribution equipment change in real time, and synchronizing the changed local data to a human-computer interface of a cloud through an Internet of things module when the latest state of the power distribution equipment is detected after the local data of the power distribution equipment change is detected. Because the data actively pushed only has the latest data of the device, the data volume is smaller, and the occupied bandwidth is lower.
In one embodiment, the data management layer in the internet of things module is configured to perform preliminary management on the data uploaded by the channels, and perform transmission protocol allocation of different data channels for the data collected in the three channels, so as to improve efficiency of data interaction between the internet of things module and the main controller.
In particular embodiments of the present application, the main controller chip may employ a 32-bit STM32 or an embedded Microcontroller (MCU) of the PIC 32. The power distribution equipment software operating system in the monitoring system adopts a FreeRTOS real-time operating system, and each power supply channel can provide power output comprising DC5V, DC12V, DC V, DC36 or AC24V according to the requirements of access equipment (mainly a camera). Each power supply control unit circuit is independently controlled, and can monitor output current and voltage parameters in real time, monitor events of overvoltage, undervoltage, overcurrent, undercurrent and short circuit in real time, and give an alarm and provide protection in time so as to prevent damage of external equipment and power distribution equipment.
In another embodiment of the present application, for each power supply control unit, the output current and voltage parameters may be monitored in real time, and meanwhile, data analysis is performed on the current and voltage parameters output in history, to determine whether there is a trend of occurrence of safety events such as overvoltage, undervoltage, overcurrent, undercurrent, and short circuit, and when it is determined that there is a trend of occurrence of a safety event, alarm information is output in time. The data analysis of the current and voltage parameters of the historical output includes, but is not limited to, analysis of the change speed, the change amplitude, the change curve, and the like of the current and the voltage. Thus, the occurrence of the safety event can be prevented in advance, and the probability of the occurrence of the safety event is reduced.
As shown in fig. 3, in the embodiment of the present application, as the power distribution device of the present application, a plurality of Digital Input (DI) ports are integrated, each port is protected by using an isolation circuit, and the roles of the DI interfaces include: 1) The main controller chip can alarm and provide protection in time according to the rapid interrupt event of the DI port when a lightning stroke event occurs; 2) When the power distribution equipment is installed in the electric cabinet in a complete set, the DI port can be connected with an electric cabinet door control, and when the door control is opened, the power distribution equipment can timely sense and report to the main controller chip; 3) The smoke sensor or the infrared contact sensor can be connected to realize the defense arrangement, so that the safety of the system is improved; 4) May be used to reserve other DI-requiring device access. In one embodiment, the number of digital input ports is preferably 4 or more.
As shown in fig. 3, in the embodiment of the present application, the power distribution device integrates a plurality of Digital Output (DO) modules, and the DO interface functions include: 1) The system is connected with the LED lamp, and when the event that the electrical cabinet is opened is known to occur in the input port, the system lights the LED lamp through the DO port to illuminate; 2) The electronic door lock connected with the electric cabinet can realize remote unlocking in occasions with specific requirements; 3) The relay can be used as a general relay and used for digital switches of other electric equipment. In one embodiment, the number of digital outlets is preferably 4 or more.
In the specific implementation mode of the application, the power distribution equipment further comprises a temperature and humidity sensor and a fan cooling system, when the temperature and humidity of the environment change, the system can start or close the cooling fan according to the preset parameters of a user, and automatically adjust the rotating speed of the fan according to the preset temperature and humidity gear parameters, wherein information data acquired by the temperature and humidity sensor are acquired through a data sensing layer in the internet of things module and uploaded to a data management layer so as to monitor the overall working condition in the power distribution equipment. For example, the system may turn off the fan cooling system when the temperature and humidity sensed by the temperature and humidity sensor is less than a minimum threshold preset by the user, and turn on the fan cooling system when the temperature and humidity sensed by the temperature and humidity sensor is greater than a maximum threshold preset by the user. The user can preset a plurality of temperature and humidity gears and corresponding fan rotating speeds, the low gear corresponds to the low rotating speed, and the high gear corresponds to the high rotating speed, so that the system can automatically adjust the rotating speed of the fan according to the preset temperature and humidity gears.
In the specific implementation mode of the application, the power distribution equipment is provided with one-path isolation 485 serial communication interface for connecting an external reclosing module, and when a power supply system connected with a main power supply is abnormal, the power supply can be automatically cut off or restarted for recovery, so that the power distribution equipment can be protected. The power distribution equipment further reserves an RS485 communication port, and a communication protocol of a Modbus-RTU is reserved on a software protocol so as to be compatible with system access based on a traditional 485 bus communication mode.
As shown in fig. 5, as another aspect of the present application, a real-time weak current power distribution device control method based on the internet of things is disclosed, where the control method mainly includes the following steps:
the main controller is communicated with the power supply control unit of each channel to acquire the power supply output and channel occupation information of each channel; under the condition that the power supply output and the channel occupation reach a certain proportion, the main controller is communicated with a first channel in the Internet of things module, a corresponding data perception layer channel is started, and data perception of the corresponding channel is started;
the internet of things module performs analysis on the data acquired by the first channel, judges the power distribution condition of the power supply channel, and controls the acquisition of data perception of the second channel and the third channel under the condition that the power distribution exceeds a set range to acquire the overall operation condition of the power distribution equipment.
According to the real-time weak current distribution equipment control method based on the Internet of things, the data acquisition analysis function of the main controller and the Internet of things module is fully utilized, the power supply state of the independent channel of the distribution equipment is analyzed, the corresponding channel of the data sensing layer of the Internet of things module is started to execute data acquisition under the condition that the load of the power supply equipment is high, and under the condition that the load is not high, the main controller acquires the information of the load of the corresponding channel from the acquired power supply control unit, so that the redundancy of data acquisition in the distribution equipment is reduced, and the efficiency of data acquisition and transmission is improved.
As a specific implementation mode of the control method, after the data acquisition of the second channel and the third channel is started, the data management layer of the internet of things module analyzes the relation between the data of the second channel and the data of the first channel based on the data acquired by the second channel, namely, acquires the relation between the stability of the overall running state of the power distribution equipment and the stability of the power supply channel. As a further preferable scheme of the application, after the data are acquired, the Internet of things module uploads the cloud total control through the main control module, and the power supply stability optimization scheme is integrally allocated through data calculation of the cloud total control. In one specific example, for example, the adjustment of the temperature channels of the power distribution equipment is completed, or the control selects to perform the adjustment on the power output of each power supply channel in the power distribution equipment, even if the camera distribution is considered, the camera power supply of other power distribution equipment is allocated under the premise that the load power of the current power distribution equipment is too high, so as to acquire monitoring data and further protect the power distribution equipment.
As a specific implementation mode of the control method, aiming at each power supply control unit, the output current, voltage and power parameters can be monitored in real time, meanwhile, data analysis is carried out on the current, voltage and power parameters which are output in history, whether the trend of safety events such as overvoltage, undervoltage, overcurrent, undercurrent and short circuit exists is judged, and alarm information is output in time when the trend of the safety events is judged. The data analysis of the current, voltage and power parameters of the historical output includes, but is not limited to, analysis of the change speed, change amplitude, change curve and the like of the current, voltage and power. Thus, the occurrence of the safety event can be prevented in advance, and the probability of the occurrence of the safety event is reduced.
As a specific implementation mode of the control method, whether the local data of the power distribution equipment changes is detected in real time, after the change of the local data of the power distribution equipment is detected, the latest data of the power distribution equipment is regarded as detected, and the changed local data is synchronized to a human-computer interface of a cloud end through the Internet of things module. Because the data actively pushed only has the latest data of the device, the data volume is smaller, and the occupied bandwidth is lower.
As a specific implementation mode of the control method, the first channel, the second channel and the third channel in the Internet of things module have different protocol authorities, wherein data of the second channel and the third channel are not analyzed by data at the main controller side, and the method is mainly used for uploading cloud execution data analysis.
In a specific embodiment of the present application, as a first aspect of analyzing a relationship between the second channel data and the first channel data:
acquiring a one-to-one correspondence relationship between the temperature and the humidity in second channel data and stable power supply in first channel data in the power distribution equipment in an Internet of things module, wherein the relationship is specifically the influence of the temperature and the humidity on the power supply parameters of each power supply channel in the power distribution equipment; and sends a request to the host controller;
receiving a request to execute parameter acquisition and update of a power supply control unit at a main controller end, calculating power supply parameters acquired in real time by the power supply control unit in each power supply channel in the power distribution equipment at the main controller end, updating the influence on the power supply parameters due to the unknown condition of the power distribution distance, and sending the data to a cloud master controller;
the cloud master controller completes verification between the Internet of things module and the uploading data of the master controller, so that an adjustment strategy of the power distribution equipment is obtained, and a specific implementation scheme is provided. In practice, the internet of things module can acquire various environmental data through the data sensing layer, the data generally has certain hysteresis and indirection of the data through the acquisition of the internet of things module, the independent influence of each factor cannot be obtained, the data of the actual running condition can be further updated through the independent power supply channel in the main controller, the first aspect can realize the correction of the first channel data of the internet of things module at the cloud end master controller, and the second aspect can acquire more influence factors which cannot be comprehensively known by the internet of things data sensing layer through the predictability of the relation between the actual running parameters and the data acquired in the internet of things module, so that the stability of the control of the power supply channel is improved.
As a second aspect of analyzing the relationship between the second channel data and the first channel data:
after data in each channel is collected, different protocol channels are arranged on the data transmission layer, and under the condition that the relation between the second channel data and the first channel data has stability, the collection of the first channel data can be closed, and the collection and the update of the actual power supply data are mainly realized by the main controller.
In the above embodiment, the relationship between the third channel data and the first channel data and the relationship between the second channel data and the first channel data are mainly described by the second channel data, and the control information can also be obtained.
In a network of the system, the real-time performance and reliability of the uploading data of the distribution equipment are the optimization direction of management in the control method of the distribution equipment system because the management personnel cannot clearly determine the working operation state of the distribution equipment.
As a specific implementation mode of the application, the invention discloses a real-time weak current power distribution equipment control method based on the Internet of things, which mainly comprises the following steps:
the method comprises the steps that a main controller starts communication of a power supply control unit, actual operation parameters of each power supply channel are collected, an instruction is sent to an Internet of things module, the instruction is analyzed by the Internet of things module, a starting strategy of a data sensing channel is obtained, data collection and transmission of a data sensing layer and a data transmission layer are executed, and the main controller and the Internet of things module upload data to a cloud overall control;
the cloud general control acquires data of the Internet of things module and the main controller, performs analysis and acquires a first relationship and a second relationship between the acquired data of the Internet of things module and the main controller;
the first relation is a relation between data acquired by the Internet of things module of the power supply channel and data acquired by the main controller control power supply control unit;
the second relation is a relation between data acquired by the Internet of things of other channels such as the second channel and the third channel and data acquired by the main controller control power supply control unit;
the cloud total control analyzes the correction relation between the first channel data acquisition matrix of the internet of things module and the operation value from the first relation, generates a second channel and third channel opening instruction of the internet of things module under the condition that the operation number of the monitoring channels of the power supply control unit is judged to meet a certain condition, executes the acquisition of the second relation, analyzes the value acquired by the second relation, selects partial data perception acquisition in the second channel and the third channel, or establishes priority authority levels of data acquisition and transmission;
the cloud total control further generates a power regulation strategy of the power supply control unit under the condition that the operation quantity of the monitoring channels of the power supply control unit meets a certain condition, and sends the power regulation strategy to the power supply control unit for execution, and the power regulation strategy interacts with the Internet of things module to provide the regulation strategy for opening and temporarily closing the data acquisition channels of the data sensing layer; in a word, the cloud general control executes optimization strategy adjustment of data protocol interaction in real time according to the occupation condition of a power supply channel and the stability condition of power supply parameters so as to improve the accuracy and efficiency of data acquisition of the power distribution equipment.
As another embodiment of the present application, the power supply control unit responds to the power allocation policy, and feeds back the execution condition of the power allocation policy by the main controller, and determines the execution condition, and the main controller adjusts the priority of the data acquisition channel perceived by the receiving internet of things module.
As a specific implementation manner in the application, the internet of things module further executes data transmission protocol distribution adjustment in the channel, in fact, the more the load of the power supply channel is, the higher the requirement on data perception of the equipment is, that is, the power supply stability of the power distribution equipment is affected by more factors.
In a word, according to the real-time weak current distribution equipment based on the internet of things and the control method thereof, the internet of things modules, such as LoRa, NBIot,4G/5G Ethernet controllers and the like, are integrated on the weak current distribution equipment, and the wired or wireless network technology is fully utilized to realize distributed management of the distribution equipment in various long-distance and scattered occasions. The operating system uses a FreeRTOS real-time operating system, integrates TLS encryption-based MQTT, COAP and HTTPS protocols in power distribution equipment software to realize the function of actively pushing equipment (PUSH) to the cloud, and only synchronizes locally-changed data to the cloud, so that the occupied bandwidth is lower, the instantaneity is strong, and the safety is high.
The slave device adopts an active reporting mode, reports at the first time when an event occurs, facilitates the rapid decision making of the monitoring control terminal, and is accurate in perception and clear at a glance. Firstly, a protocol needs authentication, and a server refuses connection under the condition that a user and a secret word are not available; and secondly, data is encrypted based on TLS, data transmission cannot be decoded, data interception and tampering are perfectly stopped, and data security is realized. The cloud big data advantage is fully utilized, the region limitation is eliminated, the equipment and the data thereof can be summarized and uniformly managed no matter how the equipment is polydisperse, the data can be conveniently fetched and analyzed, and the management and the controllability are realized.
The embodiments are described above in order to facilitate the understanding and application of the present application by those of ordinary skill in the art. It will be apparent to those skilled in the art that various modifications can be made to these embodiments and that the general principles described herein may be applied to other embodiments without the use of inventive faculty. Accordingly, the present application is not limited to the embodiments herein, and those skilled in the art, based on the present disclosure, may make improvements and modifications without departing from the scope and spirit of the present application.
Claims (10)
1. Real-time weak current distribution equipment based on thing networking, its characterized in that, real-time weak current distribution equipment based on thing networking includes:
the main controller is used for realizing the main control of the power distribution equipment;
the internet of things module comprises a data sensing layer, a data transmission layer and a data management layer;
a data interaction channel is arranged between the main controller and the Internet of things module, and the Internet of things module realizes information interaction through the main controller and the cloud overall control;
at least one main power supply, corresponding to a plurality of distribution channels, each distribution equipment can at least provide alternating current and direct current power supply interfaces in different voltage ranges;
a plurality of voltage conversion modules and a plurality of power supply control units are arranged between the main power supply and a plurality of distribution channels, and each voltage conversion module, each power supply control unit and each distribution channel form an independent power supply unit of a channel.
2. The internet of things-based real-time weak current power distribution device according to claim 1, wherein the internet of things module comprises data collection of at least three channels, wherein a first channel is used for realizing data collection of each power supply channel in an interaction manner with the power supply control unit, and a second channel is used for executing data collection for a terminal of a power supply port.
3. The real-time weak current power distribution equipment based on the internet of things according to claim 1, wherein the cloud end total control of the monitoring system and the main controller arranged in the plurality of power distribution equipment perform control in a distributed mode.
4. The real-time weak current power distribution device based on the internet of things according to claim 3, wherein the internet of things module automatically synchronizes the device state to a human-machine interface program through COAP/MQTT/HTTPS protocol.
5. The internet of things-based real-time low-current power distribution device of claim 4, wherein the power distribution device operating system is a FreeRTOS operating system.
6. The control method of the real-time weak current power distribution equipment based on the Internet of things is characterized by comprising the following steps of:
the main controller is communicated with the power supply control unit of each channel to acquire the power supply output and channel occupation information of each channel; under the condition that the power supply output and the channel occupation reach a certain proportion, the main controller is communicated with a first channel in the Internet of things module, a corresponding data perception layer channel is started, and data perception of the corresponding channel is started;
the internet of things module performs analysis on the data acquired by the first channel, judges the power distribution condition of the power supply channel, and controls the acquisition of data perception of the second channel and the third channel under the condition that the power distribution exceeds a set range to acquire the overall operation condition of the power distribution equipment;
after the data acquisition of the second channel and the third channel is started, the data management layer of the Internet of things module analyzes the relation between the data of the second channel and the data of the first channel based on the data acquired by the second channel.
7. The control method of the real-time weak current power distribution equipment based on the internet of things as set forth in claim 6, wherein the internet of things module uploads the cloud total control through the main control module after obtaining the data, and the optimization scheme of the power supply stability is integrally allocated through data calculation of the cloud total control.
8. The control method of real-time weak current power distribution equipment based on the internet of things according to claim 6, wherein for each power supply control unit, data analysis is performed on the current, voltage and power parameters output by history, whether a trend of occurrence of a safety event exists is judged, and when the trend of occurrence of the safety event is judged, alarm information is output.
9. The control method of the real-time weak current power distribution equipment based on the internet of things as set forth in claim 6, further comprising:
detecting whether local data of the power distribution equipment changes;
after detecting that the local data change, the changed local data are synchronized to the cloud through the Internet of things module.
10. The control method of real-time weak current power distribution equipment based on the internet of things as set forth in claim 6, wherein said power distribution equipment operating system is a FreeRTOS operating system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117200421A (en) * | 2023-11-07 | 2023-12-08 | 深圳时空数字科技有限公司 | Safe weak current power distribution equipment based on Internet of things and intelligent control method thereof |
| CN117477767A (en) * | 2023-10-27 | 2024-01-30 | 江苏华远信息技术有限公司 | Method and system for monitoring operation of weak current intelligent system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117477767A (en) * | 2023-10-27 | 2024-01-30 | 江苏华远信息技术有限公司 | Method and system for monitoring operation of weak current intelligent system |
| CN117200421A (en) * | 2023-11-07 | 2023-12-08 | 深圳时空数字科技有限公司 | Safe weak current power distribution equipment based on Internet of things and intelligent control method thereof |
| CN117200421B (en) * | 2023-11-07 | 2024-03-19 | 深圳时空数字科技有限公司 | Safe weak current power distribution equipment based on Internet of things and intelligent control method thereof |
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