CN120200381A - Intelligent explosion-proof power distribution cabinet system based on Internet of things and control method thereof - Google Patents
Intelligent explosion-proof power distribution cabinet system based on Internet of things and control method thereof Download PDFInfo
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- CN120200381A CN120200381A CN202510509224.3A CN202510509224A CN120200381A CN 120200381 A CN120200381 A CN 120200381A CN 202510509224 A CN202510509224 A CN 202510509224A CN 120200381 A CN120200381 A CN 120200381A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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Abstract
The invention belongs to the technical field of explosion-proof power distribution cabinets, and provides an intelligent explosion-proof power distribution cabinet system based on the Internet of things and a control method thereof, aiming at the defect of the traditional power distribution cabinet in flammable and explosive places. The system uses the internet of things technology to intelligently monitor and manage the electric elements in the power distribution cabinet. And collecting electricity data and equipment running state information in real time through a sensor, and transmitting the electricity data and the equipment running state information to a control center. The control center analyzes and processes the data by using an advanced algorithm, and remote control and state viewing are realized. Meanwhile, the system has an intelligent early warning function, and when equipment abnormality is detected, an alarm is sent out timely and an operator is notified. The system remarkably improves the explosion-proof performance, meets the requirements of high-risk areas, achieves convenient and fast remote operation, improves the efficiency, reduces the personnel risk, simplifies the maintenance flow, reduces the cost and the damage, provides real-time accurate monitoring and early warning, and reduces the probability of safety accidents.
Description
Technical Field
The invention belongs to the technical field of explosion-proof power distribution cabinets, and particularly relates to an intelligent explosion-proof power distribution cabinet system of an internet of things integrating an intelligent circuit breaker, an edge computing module and a man-machine interaction interface and a control method thereof, which are suitable for power distribution and safety management in flammable and explosive environments such as petrochemical industry, mines and dangerous chemical storage.
Background
In many flammable and explosive workplaces such as petrochemical industry, natural gas exploitation, underground coal mine and the like, the traditional power distribution cabinet has a plurality of defects and shortcomings. Firstly, the explosion-proof performance is difficult to fully adapt to the severe requirements of high-risk areas such as two areas, and explosion accidents are extremely easy to be caused due to factors such as electric sparks, electric arcs or high temperature generated by internal electric elements, so that destructive striking is caused to personnel life safety and production facilities. Secondly, the operation mode of traditional switch board is very inconvenient, relies on mechanical button and pilot lamp more, and operating personnel need closely contact equipment to operate and state to look over, and this not only leads to operating inefficiency, has still greatly increased personnel's time and risk in exposing to dangerous environment. Furthermore, the maintenance process of the traditional power distribution cabinet is tedious and complex, frequent disassembly operation consumes a large amount of manpower, material resources and time cost, and the explosion-proof structure is extremely easy to damage in the disassembly process, so that the explosion-proof performance is reduced, and the overall reliability and safety of the equipment are further affected. In addition, the traditional power distribution cabinet can not provide visual, real-time and accurate power consumption data and equipment running state information for operators, so that the operators are difficult to timely detect equipment abnormality and take effective treatment measures, and the probability of safety accidents caused by electric faults is remarkably increased.
The above information disclosed in the background section above is only for enhancement of understanding of the background art from the technology described herein and, therefore, may contain some information that does not form the prior art that is already known to those of skill in the art.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an intelligent explosion-proof power distribution cabinet system based on the Internet of things and a control method thereof.
The technical scheme adopted by the invention is as follows:
the intelligent explosion-proof power distribution cabinet system based on the Internet of things comprises a cabinet body and a panel for sealing the cabinet body, wherein a control module is arranged on the panel, a power supply module, a sensor module, a control module, an intelligent circuit breaker and a communication module are arranged in the cabinet body, the power supply module is provided with a total power inlet wire and is used for providing power for electronic elements in the whole system, the sensor module is used for collecting analog electric signals of current, voltage, power and leakage parameters in a circuit, the control module is used for receiving and processing the analog electric signals and transmitting the analog electric signals to a touch display screen on the control module for real-time display, the intelligent circuit breaker is used for executing power-off operation of a corresponding switch, and the communication module is used for transmitting an analog electric signal processing result to a cloud or PC (personal computer) end.
Preferably, the control module comprises a deflector rod switch mechanism on a panel, a touch display screen, a plurality of button switches, a power supply indicator and a power supply indicator, wherein the deflector rod switch mechanism is connected with the power supply module and can control the opening and closing of the power supply module, the touch display screen is electrically connected with the communication module and is used for checking various real-time data of opening and closing operations and parameter setting of the intelligent circuit breaker, the button switches are respectively electrically connected with the control module and are used for performing opening and closing operations on the intelligent circuit breaker through the control module, and the power supply indicator is respectively electrically connected with the intelligent circuit breaker and is used for displaying opening and closing states of the intelligent circuit breaker.
Preferably, the power supply module comprises a main switch and a power supply module, wherein a main power supply inlet wire is arranged in the main switch and is connected to 220V mains supply, the main switch is electrically connected with the power supply module, the control module, the intelligent circuit breaker and the communication module respectively through wires, and the power supply module is connected with the control module through six rows of pins and used for data transmission and power supply.
Preferably, the sensor module includes a current transformer, a voltage transformer, a power sensor, and a leakage sensor.
Preferably, the intelligent circuit breaker comprises two intelligent circuit breakers 2P, an intelligent circuit breaker 3P and an intelligent circuit breaker 1P, one end of the intelligent circuit breaker 3P is electrically connected with the control module, the other end of the intelligent circuit breaker is electrically connected with the communication module, and the intelligent circuit breaker 2P and the intelligent circuit breaker 1P are respectively electrically connected with the communication module.
Preferably, one end of the intelligent circuit breaker is also connected with a branch outlet terminal for connecting different electrical terminals.
A control method of an intelligent anti-explosion power distribution cabinet system based on the Internet of things comprises the following steps:
Step 1, initializing the system
Hardware self-checking, namely after the system is electrified, a power supply module starts to work to supply power to the whole system, and a control module, a sensor module, a control module, an intelligent circuit breaker and a communication module sequentially perform hardware self-checking to check whether hardware connection of the modules is normal or not and whether power supply is stable or not;
After the hardware self-checking passes, the software system of each module performs initialization setting;
step 2, data acquisition
The sensor data acquisition comprises the steps that a current transformer, a voltage transformer, a power sensor and a leakage sensor in a sensor module start to acquire analog electric signals of current, voltage, power and leakage parameters in a circuit in real time;
the data preprocessing, namely converting the analog electric signals acquired by the sensor into signal forms suitable for transmission and processing through preprocessing operation;
Step 3, data transmission and processing
The control module processes that after receiving the analog electric signal, the control module carries out analog-to-digital conversion, converts the analog signal into a digital signal, carries out preliminary analysis on the digital signal and extracts key parameter information;
the control module transmits the processed digital signals to a touch display screen on the control module, and meanwhile, the data are transmitted to a cloud end or a PC end through a communication module for further processing and storage;
step4, data display and early warning
The data display comprises the steps of displaying current, voltage, power and leakage parameter information in a circuit and the opening and closing state of the intelligent circuit breaker in real time by a touch display screen;
the control module analyzes and judges the acquired parameter information according to a preset threshold value and algorithm, and if the parameter information is found to be abnormal, the current is too high, the voltage is too high or too low, electric leakage is caused, the touch display screen can send out an audible and visual alarm signal to remind operation and maintenance personnel of paying attention;
step 5, intelligent breaker executing operation
The control module receives the control instruction and then transmits the instruction to the intelligent circuit breaker, and the intelligent circuit breaker executes corresponding opening and closing operation according to the instruction to cut off or switch on a circuit;
after the intelligent circuit breaker performs operation, the state information of opening and closing is fed back to the control module, the control module updates the display information on the touch display screen, and the state information is transmitted to the cloud end or the PC end through the communication module;
Step 6, data depth analysis and optimized regulation
The cloud data analysis, namely after the cloud server receives the transmitted data, performing deep analysis on the acquired data by utilizing an intelligent algorithm, accurately judging the fault type and position, and realizing predictive maintenance;
the cloud server formulates an optimal regulation strategy according to the data analysis result, such as reasonably distributing electric energy and adjusting equipment operation parameters;
and the cloud server issues the optimized regulation strategy to the control module through the communication module, and the control module adjusts and controls the intelligent circuit breaker and the power supply module according to the strategy.
The control method also comprises the remote and local control functions of the equipment, wherein an operation and maintenance person remotely accesses the system through a cloud or PC end to check the state and diagnosis problem of the equipment, and sends a control instruction to the control module through the communication module to realize opening and closing operation and parameter adjustment of the intelligent circuit breaker;
The control method further comprises the maintenance and energy-saving management functions of the equipment, the system finds potential problems in advance by means of the intelligent monitoring and early warning system to achieve predictive maintenance, the system has an intelligent dormancy and other energy-saving modes, the running state of the equipment is automatically adjusted when the equipment is in low load or no load, and energy consumption is reduced.
In summary, compared with the prior art, the intelligent anti-explosion power distribution cabinet system based on the internet of things and the control method thereof provided by the invention have the following technical effects:
1. The system has a real-time monitoring function, can monitor electrical parameters (such as voltage, current, power, temperature and the like) in real time, early warn abnormality in advance, and prevent accidents.
2. Besides the conventional overload, short circuit and leakage protection, the protection system has various protection functions such as overvoltage, undervoltage, overtemperature and surge prevention, and is more comprehensive and strong in complex fault coping capability.
3. The leakage protection can be tested remotely and periodically, and the perfect leakage protection function is ensured.
4. The touch screen (or local electronic switch) is combined with remote control, so that switching-on and switching-off operation, parameter adjustment and the like can be remotely performed, and the operation is convenient and safe, and is not influenced by severe environments such as outdoor and dust.
5. In general, the assembly and disassembly conditions are extremely small, so that good and stable explosion-proof performance can be maintained for a long time.
6. The technology of the Internet of things is integrated, remote control can be realized, opening and closing operations, parameter adjustment and the like can be remotely performed, the influence of severe environments is avoided, and the operation is convenient and safe.
7. The collected data is subjected to deep analysis through an intelligent algorithm, the fault type and the fault position are accurately judged, predictive maintenance is realized, and the intelligent level of equipment management is improved. 8. The power consumption condition of the equipment can be optimally regulated and controlled according to the real-time monitoring data and the intelligent analysis result, the electric energy is reasonably distributed, unnecessary electric energy loss is avoided, and the energy saving purpose is achieved.
9. The intelligent energy-saving device has the energy-saving modes of intelligent dormancy and the like, and the running state is automatically adjusted when the device is in low load or no load, so that the energy consumption is reduced.
10. By means of the intelligent monitoring and early warning system, potential problems can be found in advance, predictive maintenance is achieved, manual maintenance frequency and workload are reduced, and operation and maintenance cost is saved.
11. The remote operation and maintenance function is convenient for technicians to check equipment states and diagnose problems remotely, and the technicians do not need to go to the site each time, so that the operation and maintenance efficiency is improved.
12. The maintenance operation is relatively simple, the system can prompt fault positions and maintenance suggestions, and the requirements on professional skills of operation and maintenance staff are reduced. Based on the above data, the flow steps of the control method of the intelligent anti-explosion power distribution cabinet system based on the Internet of things are supplemented.
Drawings
The invention will now be described by way of example and with reference to the accompanying drawings in which:
fig. 1 is a schematic diagram of an internal layout of an intelligent explosion-proof power distribution cabinet system in the present invention;
fig. 2 is a schematic diagram of a panel layout of the intelligent explosion-proof power distribution cabinet system of the invention;
FIG. 3 is a schematic diagram of the control module wiring 808 in the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.
Example 1
The embodiment provides an intelligent explosion-proof power distribution cabinet system based on the internet of things technology, and the specific structure is as shown in fig. 1, 2 and 3, and the system comprises a cabinet body 11 and a panel 14 structure for sealing the cabinet body 11, wherein:
The panel 14 module is that a control module is integrated on the panel 14 and is used as a man-machine interaction interface and a system control center to support the functions of parameter setting, state monitoring, abnormal alarm and the like.
The internal module of the cabinet 11:
And the power supply module is used for configuring a main power supply inlet 12 interface, adopting a redundant power supply design to selectively match with a UPS standby power supply, providing stable power supply for each electronic element of the system and supporting overload protection and electric leakage monitoring functions.
The sensor module comprises a current transformer, a voltage transformer, a power sensor and a leakage sensor. The high-precision sensor array is adopted to collect key parameters such as current, voltage, power, electric leakage and the like of a circuit in real time, output standardized analog electric signals and have the functions of self calibration and temperature compensation.
808, The control module 2 is used as a signal processing core to receive the analog electric signal of the sensor module, and the analog electric signal is transmitted to the control module through a standardized protocol such as Modbus-RTU after digital filtering and feature extraction. And supporting the synchronous processing of multiple signals and the linkage response of abnormal states.
The intelligent circuit breaker is internally provided with a microprocessor and an electromagnetic tripping mechanism, executes millisecond-level breaking operation according to a control module instruction or a preset protection threshold value, supports remote/local dual-mode control, and has fault memory and self-diagnosis functions.
And the communication module 5 integrates industrial wireless communication units such as LoRa/4G/NB-IoT and Ethernet interfaces, supports industrial protocols such as Modbus-TCP/OPC UA and the like, uploads processed electric signal data and equipment state information to a cloud or PC end monitoring platform in real time, and supports edge calculation and data compression transmission.
The intelligent upgrading of the power distribution cabinet is realized through the modularized design, the power supply reliability under the explosion-proof environment is obviously improved, and the intelligent upgrading system is suitable for high-risk industries such as petrochemical industry, mine metallurgy and the like.
In a specific embodiment, the hardware configuration and function of the control module are as follows:
toggle switch mechanism 10
The structure is integrated on the surface of the panel 14, the explosion-proof design is adopted to meet Ex d IICT protection standards, the mechanical structure is sealed through IP65, and the emergency power-off interface of the power supply module is adapted.
The power supply module has the functions of directly controlling the on-off of a main circuit of the power supply module through mechanical linkage, having a physical locking function, requiring a special key to unlock, and supporting manual reset operation in a power-off state.
Touch display screen 7
The touch screen has the structure that the resolution ratio of a 7-inch industrial capacitive touch screen is 1024 multiplied by 600, and the surface is covered with explosion-proof toughened glass, so that the multi-point touch control and glove operation modes are supported.
The intelligent circuit breaker overload protection threshold, the leakage action current, the delay time and other parameters are configured through a graphical interface;
Dynamically displaying numerical values and trend curves of parameters such as current, voltage, power, electric leakage and the like, and supporting historical data query storage capacity to be more than or equal to 7 days;
and the switching-on and switching-off control is carried out by operating a virtual button or a gesture to remotely control the switching-on and switching-off action of the intelligent circuit breaker, and the operation record is automatically uploaded to a cloud log.
Array of push-button switches 9
The structure is that an explosion-proof metal button with LED backlight indication is adopted, and each button is independently numbered and corresponds 808 to the input channel of the control module 2.
Triggering 808 a specific action sequence of the control module 2 through a short press/long press combined instruction such as a short press+3 second long press, so as to realize the local opening and closing control of the intelligent circuit breaker;
Mode switching, namely supporting the rapid switching of manual/automatic modes, and synchronously displaying the switching state through the touch display screen 7.
Power indicator 8 cluster
The structure is that the high-brightness LED indicator lamp is adopted to be red/green and connected with an auxiliary contact of the intelligent circuit breaker through an explosion-proof light guide column.
The state display is that a green indicator lamp is always on to indicate the switching-on state of the intelligent circuit breaker, a red indicator lamp flashes to indicate the switching-off state, and double lamps alternately flash to indicate fault alarm;
fault location, namely distinguishing fault types such as overload, short circuit, electric leakage and the like through an indicator lamp coding rule such as 'red-green alternation + buzzer' combination.
Technical advantages are that:
Safety, namely, the deflector rod switch and the button switch 9 are designed through intrinsic safety circuits, so that explosion risks caused by electric sparks are avoided;
The reliability is that the touch display screen 7 adopts an industrial processor ARM Cortex-A7 kernel to support wide-temperature operation at minus 40 ℃ to minus 85 ℃ and the electromagnetic interference resistance reaches the EN 61000-6-2 standard;
maintainability, namely, the modular design supports hot plug, and the states of all parts can be rapidly positioned through a self-diagnosis interface of the touch display screen 7.
According to the implementation mode, through the collaborative design of man-machine interaction hardware, the safe operation and the efficient operation and maintenance of the explosion-proof power distribution cabinet under the dangerous environment are realized, and the intelligent level and the user operation experience of the system are remarkably improved.
In a specific embodiment, the hardware architecture and electrical connection of the power supply module are as follows:
General switch 3
The structure is that an explosion-proof isolating switch Ex d IICT is adopted for protecting the grade, rated current is more than or equal to 63A, and the double protection mechanism of mechanical interlocking and electrical interlocking is provided.
The functions are as follows:
The power supply is connected, namely, the power supply is connected with 220V mains supply through a 3 multiplied by 2.5mm 2 of a three-core explosion-proof cable, and the three-phase connection of L/N/PE is supported;
The system supplies power by tapping the copper wires with the diameter of 2 of 6mm to the power supply modules 1 and 808, the control module 2, the intelligent circuit breaker and the communication module 5, and configuring rated current of the fuse for each branch circuit to be matched according to the load;
Emergency power off, supporting manual/remote dual-mode breaking, and remote breaking signal is realized through 808 dry access point input of the control module 2.
Power supply module 1
The structure is that a modular redundancy design is adopted, and the modular redundancy design comprises an AC/DC conversion unit, an input 220VAC, an output 24VDC/5A and a UPS standby power supply 12V/7Ah lead-acid battery.
The functions are as follows:
And (3) power supply distribution:
The main power supply is connected with 808 control module 2 through six rows of pins 2X 3P to provide 24VDC power supply and RS-485 data bus baud rate 9600bps, modbus-RTU protocol;
The standby power supply is that the UPS is automatically switched when the commercial power is cut off, and the control module 2 and the communication module 5 of the supporting system core component 808 operate for more than or equal to 30 minutes;
and (3) state monitoring, namely outputting parameters such as power supply voltage, current, temperature and the like to the control module 2 in real time, and triggering an audible and visual alarm when the parameters are abnormal.
Electrical connection design
Wire gauge:
The main power supply from the main switch 3 to each module is 6mm 2 copper wires with the withstand voltage of 500V;
808 control module 2 to sensor/smart breaker 2.5mm 2 shielded twisted pair withstand 300V;
and the communication module 5 is connected to the cloud/PC end, and is in a 433MHz frequency band of a 100Mbps Ethernet or LoRa wireless module of the ultra-five shielded network cables.
Protective measures are as follows:
all the wiring terminals are protected by an explosion-proof crimping terminal IP67, and live plugging is supported;
the power supply loop is provided with a surge protector SPD, the maximum discharge current is 40kA, and the lightning induction overvoltage is restrained.
Technical advantages are that:
The safety is that the general switch 3 and the power module 1 pass IEC 60947 standard authentication and have three-stage protection of short circuit, overload and electric leakage;
Reliability is that the power supply module 1 redundant design promotes the mean time between failure and failure of the system MTBF to more than or equal to 50000 hours;
The system has the expandability that a six-row needle interface supports hot plug, and the temperature, the humidity, the gas concentration and the like of an environment monitoring sensor can be expanded.
According to the implementation mode, through the fine design of the power supply module, safe and stable power supply of the explosion-proof power distribution cabinet in a dangerous environment is realized, and meanwhile, an interface is reserved for subsequent system upgrading and function expansion.
In a specific embodiment, the configuration scheme and the electrical connection of the intelligent breaker module are designed as follows:
circuit breaker model and function allocation
Intelligent circuit breaker 3P4 three phases:
the number is 1
The function is that as a control core of a main power supply loop, independent opening and closing control of three-phase current L1/L2/L3 and three-phase unbalanced protection are supported;
connection relation:
One end realizes the communication baud rate 19200bps of the RS-485 bus and the Modbus-TCP protocol through the six-pin interface 3X 2P and 808 control module 2, and receives an opening and closing instruction and a feedback state signal;
The other end is connected with the communication module 5 through an RJ45 interface, supports IEC 61850 standard protocol, and realizes bidirectional data interaction with the cloud monitoring platform.
Intelligent circuit breaker 2P6 biphase:
number 2
The function is used for controlling a single-phase load loop such as an air conditioner, a socket and the like, and has overload, short circuit, leakage protection and residual current monitoring functions;
the connection relation is that the communication module 5 is connected with the CAN bus version 2.0B, the multi-node networking is supported, and the maximum communication distance reaches 1km.
Intelligent circuit breaker 1P5 single phase:
the number is 1
The function is used for controlling independent loads such as emergency lighting and an access control system, and supporting the functions of remote reset and self-checking;
and the connection relation is that the SF7 spread spectrum factor is communicated with the communication module 5 through the 470MHz frequency band of the LoRa wireless module, so that the low-power consumption wireless networking is realized.
Branched outlet terminal 13 design
Adopting an explosion-proof terminal strip Ex d IICT to support multi-loop parallel output and a single-terminal maximum bearing current 63A;
the functions are as follows:
Load distribution:
The L1/L2/L3/N/PE terminals of the intelligent circuit breaker 3P4 are respectively connected with a three-phase load such as a motor and an electric welding machine;
the L/N terminal of the intelligent breaker 2P6 is connected with a single-phase load such as lighting and a socket;
the L terminal of the intelligent breaker 1P5 is connected with an independent load such as a sensor and a controller;
5 spare terminals are reserved for supporting future load capacity expansion or special equipment access.
Electrical terminal compatibility
The lamp load is used for supporting an LED lamp, a fluorescent lamp, a high-voltage sodium lamp and the like, and the rated power range is 10W-2000W;
a power load, which supports a three-phase asynchronous motor, a frequency converter and the like, and has a rated current range of 1A-63A;
And the control type load supports PLC, DCS controller, relay and the like, and the signal type is compatible with the input and output of a dry contact/wet contact.
Technical advantages are that:
Safety, namely all the circuit breakers pass CCC authentication, have IP67 protection level and support explosion-proof, waterproof and dustproof functions;
Reliability, namely the mechanical life of the circuit breaker is more than or equal to 20000 times, the electrical life is more than or equal to 10000 times, and the overload tripping time is less than or equal to 0.1s;
And (3) the intellectualization is realized by the control module 2, the hierarchical protection and the energy efficiency management of the load are realized, and the fault positioning precision reaches a loop level.
According to the intelligent circuit breaker module, the intelligent circuit breaker module is configured differently, so that the fine control of a complex electrical system is realized, and meanwhile, a high-reliability power distribution solution is provided for scenes such as industrial automation, intelligent buildings and the like.
Example 2
A control method of an intelligent anti-explosion power distribution cabinet system based on the Internet of things comprises the following steps:
step one, system initialization
Hardware self-checking, namely after the system is electrified, a power supply module starts to work to supply power to the whole system, and a control module, a sensor module, 808 control module 2, an intelligent circuit breaker and a communication module 5 sequentially perform hardware self-checking to check whether the hardware connection of each module is normal or not and whether the power supply is stable or not;
After the hardware self-checking is passed, the software system of each module performs initialization setting, including parameter resetting, data resetting, communication protocol configuration and the like, so as to ensure that the system is in an initial working state;
Step two, data acquisition
The sensor data acquisition comprises the steps that a current transformer, a voltage transformer, a power sensor and a leakage sensor in a sensor module start to acquire analog electric signals of current, voltage, power and leakage parameters in a circuit in real time;
The data preprocessing, namely converting the analog electric signals acquired by the sensor into signal forms suitable for transmission and processing through preprocessing operations such as preliminary filtering, amplifying and the like;
Step three, data transmission and processing
The data is transmitted 808 to the control module 2, the preprocessed analog electric signal is transmitted 808 to the control module 2, the 808 control module 2 processes that the control module 2 receives the analog electric signal and then carries out analog-to-digital conversion, converts the analog signal into a digital signal, carries out preliminary analysis on the digital signal, and extracts key parameter information;
808, the control module 2 transmits the processed digital signals to the touch display screen 7 on the control module, and simultaneously, the data is transmitted to a cloud end or a PC end for further processing and storage through the communication module 5;
Fourth, data display and early warning
The data display comprises that a touch display screen 7 displays current, voltage, power and leakage parameter information in a circuit and the opening and closing state of an intelligent circuit breaker in real time;
the control module analyzes and judges the acquired parameter information according to a preset threshold value and algorithm, and if the parameter information is found to be abnormal, the current is too high, the voltage is too high or too low, electric leakage occurs, the touch display screen 7 can send out an audible and visual alarm signal to remind operation and maintenance personnel of paying attention;
Step five, remote and local control
Remote control, namely, an operation and maintenance person can remotely access the system through a cloud or PC end to check the equipment state and diagnose the problem, and send a control instruction to a control module through a communication module 5 to realize opening and closing operation and parameter adjustment of the intelligent circuit breaker;
The operation and maintenance personnel can also carry out opening and closing operation and parameter setting on the intelligent circuit breaker on site through the control equipment of the touch display screen 7, the deflector rod switch mechanism 10 and the button switch 9 on the control module;
Step six, executing operation by the intelligent circuit breaker
The control module receives the control instruction and then transmits the instruction to the intelligent circuit breaker, and the intelligent circuit breaker executes corresponding opening and closing operation according to the instruction to cut off or switch on a circuit;
the state feedback is that after the intelligent circuit breaker performs the operation, the switching-on and switching-off state information is fed back to the control module, the control module updates the display information on the touch display screen 7, and the state information is transmitted to the cloud or PC end through the communication module 5;
seventh, data depth analysis and optimized regulation
The cloud data analysis, namely after the cloud server receives the transmitted data, performing deep analysis on the acquired data by utilizing an intelligent algorithm, accurately judging the fault type and position, and realizing predictive maintenance;
the cloud server formulates an optimal regulation strategy according to the data analysis result, such as reasonably distributing electric energy and adjusting equipment operation parameters, so as to improve the intelligent level of equipment management and achieve the purpose of energy saving;
And the cloud server issues the optimal regulation strategy to the control module through the communication module 5, and the control module adjusts and controls the intelligent circuit breaker, the power supply module and the like according to the strategy to realize the optimal operation of the equipment.
The control method of the intelligent anti-explosion power distribution cabinet system based on the Internet of things further comprises maintenance and energy-saving management of equipment, and specifically comprises the following steps:
The maintenance management comprises the steps of finding potential problems in advance by the intelligent monitoring and early warning system to realize predictive maintenance, carrying out equipment maintenance and repair by operation and maintenance personnel according to the fault position and maintenance suggestion prompted by the system, and realizing remote operation and maintenance function, so that the technical personnel can conveniently check equipment states and diagnose problems remotely, the frequency and the workload of manual maintenance are reduced, and the operation and maintenance cost is saved.
The system has the energy-saving modes such as intelligent dormancy and the like, automatically adjusts the running state when the equipment is in low load or no load, reduces the energy consumption, and simultaneously optimally adjusts and controls the electricity consumption condition of the equipment according to the real-time monitoring data and the intelligent analysis result so as to avoid unnecessary electric energy loss.
In summary, compared with the prior art, the intelligent anti-explosion power distribution cabinet system based on the internet of things and the control method thereof provided by the invention have the technical effects as shown in the following table:
While the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modifications or substitutions do not depart from the spirit and scope of the embodiments of the invention.
Claims (9)
1. The intelligent explosion-proof power distribution cabinet system based on the Internet of things comprises a cabinet body (11) and a panel (14) for sealing the cabinet body (11), wherein a control module is arranged on the panel (14), a power supply module, a sensor module, a control module (2), an intelligent circuit breaker and a communication module (5) are arranged inside the cabinet body (11), the power supply module is provided with a main power inlet wire (12) for supplying power to electronic elements in the whole system, the sensor module is used for collecting analog electric signals of current, voltage, power and leakage parameters in a circuit, the control module (2) is used for receiving and processing the analog electric signals and transmitting the analog electric signals to a touch display screen (7) on the control module for real-time display, the intelligent circuit breaker is used for executing power-off operation of a corresponding switch, and the communication module (5) is used for transmitting an analog electric signal processing result to a cloud end or a PC end.
2. The intelligent anti-explosion power distribution cabinet system based on the Internet of things, which is characterized in that the control module comprises a deflector rod switch mechanism (10) on a panel (14), wherein the deflector rod switch mechanism (10) is connected with a power supply module and can control the opening and closing of the power supply module, the intelligent anti-explosion power distribution cabinet system further comprises a touch display screen (7), the touch display screen (7) is electrically connected with a communication module (5) and used for checking real-time data of opening and closing operations and parameter settings of an intelligent circuit breaker, the intelligent anti-explosion power distribution cabinet system further comprises a plurality of button switches (9) which are electrically connected with the control module (2) respectively and used for opening and closing the intelligent circuit breaker through the control module (2), and a power indicator lamp (8) which is electrically connected with the intelligent circuit breaker respectively and used for displaying the opening and closing states of the intelligent circuit breaker.
3. The intelligent anti-explosion power distribution cabinet system based on the internet of things, which is disclosed in claim 1, is characterized in that the power supply module comprises a main switch (3) and a power module (1), the main switch (3) is provided with a main power inlet wire (12) and is connected to 220V mains supply, the main switch (3) is electrically connected with the power module (1), the control module (2), the intelligent circuit breaker and the communication module (5) through wires, and the power module (1) is connected with the control module (2) through six-row pins for data transmission and power supply.
4. The intelligent anti-explosion power distribution cabinet system based on the internet of things and the control method thereof according to claim 1, wherein the sensor module comprises a current transformer, a voltage transformer, a power sensor and a leakage sensor.
5. The intelligent explosion-proof power distribution cabinet system based on the internet of things according to claim 4, wherein the intelligent circuit breaker comprises two intelligent circuit breakers 2P (6), one intelligent circuit breaker 3P (4) and one intelligent circuit breaker 1P (5), one end of the intelligent circuit breaker 3P (4) is electrically connected with the control module (2), the other end of the intelligent circuit breaker is electrically connected with the communication module (5), and the intelligent circuit breaker 2P (6) and the intelligent circuit breaker 1P (5) are respectively electrically connected with the communication module (5).
6. The intelligent explosion-proof power distribution cabinet system based on the internet of things according to claim 5, wherein one end of the intelligent circuit breaker is further connected with a branch outlet terminal (13) for connecting different electrical terminals.
7. The control method of the intelligent anti-explosion power distribution cabinet system based on the Internet of things is characterized by comprising the following steps of:
Step 1, initializing the system
Hardware self-checking, namely after the system is electrified, a power supply module starts to work to supply power to the whole system, and a control module, a sensor module, a control module, an intelligent circuit breaker and a communication module (5) sequentially perform hardware self-checking to check whether the hardware connection of each module is normal or not and whether the power supply is stable or not;
After the hardware self-checking passes, the software system of each module performs initialization setting;
step 2, data acquisition
The sensor data acquisition comprises the steps that a current transformer, a voltage transformer, a power sensor and a leakage sensor in a sensor module start to acquire analog electric signals of current, voltage, power and leakage parameters in a circuit in real time;
the data preprocessing, namely converting the analog electric signals acquired by the sensor into signal forms suitable for transmission and processing through preprocessing operation;
Step 3, data transmission and processing
The data is transmitted to the control module (2), wherein the preprocessed analog electric signals are transmitted to the control module (2), the control module (2) processes the analog electric signals, the analog electric signals are subjected to analog-to-digital conversion after the control module (2) receives the analog electric signals, the analog electric signals are converted into digital signals, the digital signals are subjected to preliminary analysis, and key parameter information is extracted;
The control module (2) transmits the processed digital signals to a touch display screen (7) on the control module, and meanwhile, the data are transmitted to a cloud end or a PC end through a communication module (5) for further processing and storage;
step4, data display and early warning
The data display comprises that a touch display screen (7) displays current, voltage, power and leakage parameter information in a circuit and the opening and closing state of an intelligent circuit breaker in real time;
the control module analyzes and judges the acquired parameter information according to a preset threshold value and algorithm, and if the parameter information is found to be abnormal, the current is too high, the voltage is too high or too low, electric leakage occurs, the touch display screen (7) can send out an audible and visual alarm signal to remind operation and maintenance personnel of paying attention;
step 5, intelligent breaker executing operation
The control module receives the control instruction and then transmits the instruction to the intelligent circuit breaker, and the intelligent circuit breaker executes corresponding opening and closing operation according to the instruction to cut off or switch on a circuit;
After the intelligent circuit breaker performs operation, the state information of the opening and closing of the intelligent circuit breaker is fed back to a control module, the control module updates display information on a touch display screen (7), and the state information is transmitted to a cloud end or a PC end through a communication module (5);
Step 6, data depth analysis and optimized regulation
The cloud data analysis, namely after the cloud server receives the transmitted data, performing deep analysis on the acquired data by utilizing an intelligent algorithm, accurately judging the fault type and position, and realizing predictive maintenance;
the cloud server formulates an optimal regulation strategy according to the data analysis result, such as reasonably distributing electric energy and adjusting equipment operation parameters;
And the cloud server transmits the optimized regulation strategy to the control module through the communication module (5), and the control module adjusts and controls the intelligent circuit breaker and the power supply module according to the strategy.
8. The control method of the intelligent explosion-proof power distribution cabinet system based on the Internet of things is characterized by further comprising remote and local control functions of equipment, wherein operation and maintenance personnel can check equipment states and diagnose problems through a cloud or PC end remote access system and send control instructions to a control module through a communication module (5) to achieve opening and closing operation and parameter adjustment of the intelligent circuit breaker, and the operation and maintenance personnel can also perform opening and closing operation and parameter setting on the intelligent circuit breaker on site through a touch display screen (7), a deflector rod switch mechanism (10) and control equipment of a button switch (9) on the control module.
9. The control method of the intelligent anti-explosion power distribution cabinet system based on the Internet of things is characterized by further comprising maintenance and energy-saving management functions of equipment, potential problems are found in advance by means of an intelligent monitoring and early warning system, predictive maintenance is achieved, the system is provided with an intelligent dormancy energy-saving mode and the like, the running state of the equipment is automatically adjusted when the equipment is in low load or no load, and energy consumption is reduced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510509224.3A CN120200381A (en) | 2025-04-22 | 2025-04-22 | Intelligent explosion-proof power distribution cabinet system based on Internet of things and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510509224.3A CN120200381A (en) | 2025-04-22 | 2025-04-22 | Intelligent explosion-proof power distribution cabinet system based on Internet of things and control method thereof |
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| CN120200381A true CN120200381A (en) | 2025-06-24 |
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