CN111404277A - Wisdom distribution equipment terminal based on internet of things - Google Patents
Wisdom distribution equipment terminal based on internet of things Download PDFInfo
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- CN111404277A CN111404277A CN202010420926.1A CN202010420926A CN111404277A CN 111404277 A CN111404277 A CN 111404277A CN 202010420926 A CN202010420926 A CN 202010420926A CN 111404277 A CN111404277 A CN 111404277A
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- 238000012545 processing Methods 0.000 claims abstract description 71
- 238000012544 monitoring process Methods 0.000 claims abstract description 33
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 28
- 239000000779 smoke Substances 0.000 claims abstract description 16
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/066—Reconnection being a consequence of eliminating the fault which caused disconnection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/06—Details with automatic reconnection
- H02H3/07—Details with automatic reconnection and with permanent disconnection after a predetermined number of reconnection cycles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/083—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for three-phase systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/093—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current with timing means
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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 invention discloses an intelligent power distribution equipment terminal based on the technology of the Internet of things, which comprises a processing terminal body and a fully-sealed metal case, wherein the processing terminal body is fixedly connected inside the fully-sealed metal case, and a central processing unit is arranged inside the processing terminal body. The invention respectively detects each sub-circuit by the multistage processor, the photoelectric mutual inductors and the Hall sensor, performs three-section interphase overcurrent protection on the sub-circuits by utilizing the reclosing relay and the watchdog timer, uploads operation data to the central processor, quickly inspects fault points, realizes the functions of microcomputer control protection, temperature and humidity monitoring, smoke alarm, power monitoring, noise monitoring and wireless temperature measurement, reduces interference by utilizing a hardware monitoring mode, can comprehensively monitor the operation state and the operation environment of the power equipment, and controls the action of the power equipment if necessary, thereby greatly improving the working efficiency.
Description
Technical Field
The invention relates to the field of intelligent power distribution equipment, in particular to an intelligent power distribution equipment terminal based on the technology of the Internet of things.
Background
Wisdom distribution equipment measurement and control terminal is to joining in marriage intelligent design's intelligent object of net, generally installs in conventional switching station (station), outdoor small-size switching station, looped netowrk cabinet, small-size transformer substation, box-type substation etc. department, accomplish the position signal to switchgear, voltage, electric current, the temperature of copper bar, active power, reactive power, power factor, electric energy, ambient temperature, humidity, noise, smoke and feel the collection and the calculation of data such as power, and with data real-time transport maintenance center, data automatic save when the module loses electricity in the memory. When the data is recovered, the data is automatically transmitted to the operation and maintenance center or the operation and maintenance center is waited to transmit according to the setting. The fault recognition of the switch is realized through the analysis and judgment of the operation and maintenance center system, the switch is switched on and off according to the instruction of the operation and maintenance center, and the standby power supply in the non-fault section is automatically switched on to recover the power supply, so that the power supply reliability is effectively improved.
At present, the ring main unit in China is provided with a universal monitoring and controlling blank, when a certain circuit breaks down, the circuit needs to be manually checked, time is wasted, certain risks exist, the manual inspection difficulty is high, fault points are difficult to locate and the like, so that the efficiency is low, the treatment efficiency is influenced, short circuit of components is easily caused, and irreparable economic loss is generated.
Therefore, it is necessary to invent an intelligent power distribution equipment terminal based on the technology of internet of things to solve the above problems.
Disclosure of Invention
The invention aims to provide an intelligent power distribution equipment terminal based on the technology of the Internet of things, which is characterized in that each sub-circuit is respectively detected through a multistage processor, a plurality of photoelectric transformers and a Hall sensor, three-section interphase overcurrent protection is carried out on the sub-circuits through a reclosing relay and a watchdog timer, running data is uploaded to a central processor, fault points are rapidly checked, the functions of microcomputer control protection, temperature and humidity monitoring, smoke alarm, power monitoring, noise monitoring and wireless temperature measurement are realized, the interference is reduced through a hardware monitoring mode, the running state and the running environment of power equipment can be comprehensively monitored, the action of the power equipment is controlled, the working efficiency is greatly improved, a handheld liquid crystal display is connected in an external short time, the damage of a display in a high-temperature environment is avoided, and the defects in the technology are overcome when necessary.
In order to achieve the above purpose, the invention provides the following technical scheme: an intelligent power distribution equipment terminal based on the Internet of things technology comprises a processing terminal body and a fully-sealed metal case, wherein the processing terminal body is fixedly connected inside the fully-sealed metal case, a central processing unit is arranged inside the processing terminal body, a connecting end of the central processing unit is provided with a plurality of interfaces distributed in an array manner, a sub-circuit is electrically connected inside the interfaces, a sub-processor is arranged at the connecting end of the sub-circuit and the central processing unit, a watchdog timer is arranged at the connecting end of the sub-processor, a reclosing relay is arranged on the sub-circuit, a monitoring assembly is connected to the outer side of the reclosing relay in parallel, an environment detection assembly and a security protection assembly are arranged inside the fully-sealed metal case, a signal indicator lamp is arranged on the outer side of the processing terminal body, a communication interface is arranged at the bottom of the fully-sealed metal case and is electrically, the connection end of the central processing unit is provided with a handheld liquid crystal screen, and the handheld liquid crystal screen is inserted into the communication interface;
the monitoring assembly comprises a photoelectric mutual inductor and a Hall sensor, and the photoelectric mutual inductor and the Hall sensor are electrically connected with the sub-processor through sub-circuits;
the environment detection assembly comprises a smoke sensor, a temperature and humidity sensor, an acoustic wave sensor and an RFID wireless temperature measurement module, the smoke sensor, the temperature and humidity sensor, the acoustic wave sensor and the RFID wireless temperature measurement module are all electrically connected with the input end of the central processing unit, and an A/D converter is arranged between the input end of the central processing unit and the environment detection assembly;
the security protection assembly comprises a heating block, an alarm and a control female switch, the heating block, the alarm and the control female switch are electrically connected with the output end of the central processing unit, a D/A converter is arranged between the output end of the central processing unit and the security protection assembly component, and the heating block, the alarm and the control female switch are fixed on the inner wall of the fully-sealed metal case.
Preferably, the connecting end of the central processing unit is provided with a memory, the connecting ends of the sub-processors are provided with power-down memory chips, the power-down memory chips are used for storing real-time parameters of monitoring data of each sub-circuit, and the memory is used for backing up historical data.
Preferably, the connection end of the processing terminal body is provided with an operation and maintenance center end, the connection end of the central processing unit is provided with a wireless communication module, and the operation and maintenance center end is in remote communication connection with the processing terminal body through the wireless communication module.
Preferably, an observation window is arranged on one side of the fully-sealed metal case and is matched with the signal indicator lamp.
Preferably, the signal indicator lamps include L1 running state lamps, L2 event indicator lamps and L3 module fault lamps, the L1 running state lamp is used for indicating the running state of the power supply, the L2 event indicator lamp is used for prompting information updating, and the L3 module fault lamp is used for warning circuit faults.
Preferably, the communication interface comprises an RS485 interface, an Ethernet interface, a GPRS interface and/or a CDMA interface, and the communication interface is matched with the connecting end of the handheld liquid crystal display.
Preferably, an insulating cushion layer is arranged between the processing terminal body and the fully-sealed metal case, the insulating cushion layer is made of rubber materials, and an electromagnetic protection film is arranged on the inner wall of the fully-sealed metal case.
Preferably, the processing terminal body is internally provided with an anti-lightning protection circuit and a power filter, and the anti-lightning protection circuit and the power filter are used for circuit protection and voltage stabilization.
In the technical scheme, the invention provides the following technical effects and advantages:
1. the multi-stage processor is used for respectively detecting each sub-circuit by the photoelectric mutual inductors and the Hall sensor, three-section interphase overcurrent protection is carried out on the sub-circuits by the aid of the reclosing relay and the watchdog timer, operation data are uploaded to the central processor, fault points are rapidly checked, functions of microcomputer control protection, temperature and humidity monitoring, smoke sensing alarm, power monitoring, noise monitoring and wireless temperature measurement are achieved, interference is reduced by a hardware monitoring mode, the operation state and the operation environment of power equipment can be comprehensively monitored, the action of the power equipment is controlled when necessary, working efficiency is greatly improved, the handheld liquid crystal screen is connected externally in a short time, and damage of a display under a high-temperature environment is avoided;
2. through falling electric memory chip storage sub-circuit real-time parameter, and with data transmission to central processing unit, send the memory storage after handling for data source difference point comparison, be convenient for fix a position the fault point fast and later stage investigation, when detecting that the circuit breaks down, L3 module trouble lamp glows red, central processing unit sends signal fortune dimension central point through wireless communication module and notifies and maintain, each module optimal design of this technical scheme, high integration, make system overall structure simple, small, strong adaptability.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a topological structure diagram of the present invention;
FIG. 2 is a block diagram of the overall system of the present invention;
FIG. 3 is a schematic view of a monitoring assembly according to the present invention;
FIG. 4 is a schematic structural diagram of an environmental sensor assembly according to the present invention;
fig. 5 is a schematic structural diagram of the security assembly of the present invention.
Description of reference numerals:
the intelligent monitoring system comprises a processing terminal body 1, a fully-sealed metal case 2, a central processing unit 3, a sub-circuit 4, a sub-processor 5, a watchdog timer 6, a reclosing relay 7, a monitoring assembly 8, a photoelectric mutual inductor 81, a Hall sensor 82, an environment detection assembly 9, a smoke sensor 91, a temperature and humidity sensor 92, an acoustic wave sensor 93, a RFID (radio frequency identification) wireless temperature measurement module 94, a security protection assembly 10, a heating block 101, an alarm 102, a master control switch 103, a signal indicator lamp 11, a communication interface 12, a handheld liquid crystal screen 13, a maintenance center end 14, a wireless communication module 15 and an observation window 16.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides an intelligent power distribution equipment terminal based on the technology of internet of things as shown in figures 1-5, which comprises a processing terminal body 1 and a fully-sealed metal case 2, wherein the processing terminal body 1 is fixedly connected inside the fully-sealed metal case 2, a central processing unit 3 is arranged inside the processing terminal body 1, a connecting end of the central processing unit 3 is provided with a plurality of interfaces distributed in an array manner, the interfaces are electrically connected with sub-circuits 4, sub-processors 5 are arranged at connecting ports of the sub-circuits 4 and the central processing unit 3, a watchdog timer 6 is arranged at the connecting end of the sub-processors 5, a reclosing relay 7 is arranged on the sub-circuits 4, a monitoring component 8 is connected in parallel outside the reclosing relay 7, an environment detection component 9 and a security protection component 10 are arranged inside the fully-sealed metal case 2, a signal indicator lamp 11 is arranged outside the processing terminal body 1, the bottom of the fully-sealed metal case 2 is provided with a communication interface 12, the communication interface 12 is electrically connected with the central processing unit 3 through a data line, the connecting end of the central processing unit 3 is provided with a handheld liquid crystal screen 13, and the handheld liquid crystal screen 13 is inserted into the communication interface 12;
the monitoring assembly 8 comprises a photoelectric transformer 81 and a Hall sensor 82, and the photoelectric transformer 81 and the Hall sensor 82 are electrically connected with the sub-processor 5 through the sub-circuit 4;
the environment detection assembly 9 comprises components of a smoke sensor 91, a temperature and humidity sensor 92, an acoustic wave sensor 93 and an RFID wireless temperature measurement module 94, the smoke sensor 91, the temperature and humidity sensor 92, the acoustic wave sensor 93 and the RFID wireless temperature measurement module 94 are all electrically connected with the input end of the central processing unit 3, and an A/D converter is arranged between the input end of the central processing unit 3 and the components of the environment detection assembly 9;
the security protection assembly 10 comprises a heating block 101, an alarm 102 and a control mother switch 103, wherein the heating block 101, the alarm 102 and the control mother switch 103 are electrically connected with the output end of the central processing unit 3, a D/A converter is arranged between the output end of the central processing unit 3 and the security protection assembly 10, and the heating block 101, the alarm 102 and the control mother switch 103 are all fixed on the inner wall of the fully-sealed metal case 2;
the three-section interphase overcurrent protection is respectively set into a first section (quick break), a second section (time-limited quick break) and a third section (overcurrent), the tripping time of each section of protection is respectively set, each section can be selectively locked by a directional element, and each section can be freely put on or off through a soft pressing plate;
the reclosing can be selected for 1 time at most, the starting mode is protection action starting, two sides of a switch are provided with pressure locking logics, the direction locking logics are provided, when the later acceleration protection is switched in, the reclosing action fails again within the reclosing reset time in a set value, three-section alternate overcurrent protection actions are carried out, the module accelerates, the later acceleration protection can be switched on and off freely through a soft pressing plate, the acceleration time limit can be set, when the number of the reclosing actions reaches the set number of times in the set value, the three-section overcurrent protection actions again within 10 seconds, the module logics judge that the module is a permanent fault, a locking relay signal is output while a tripping command is output, and the signal automatically returns after being kept for 0.5s and is used for switching on and off of an external locking switch.
Further, in the above technical solution, an observation window 16 is disposed on one side of the hermetically sealed metal enclosure 2, and the observation window 16 is matched with the signal indicator lamp 11, so as to reduce the opening frequency of the hermetically sealed metal enclosure 2.
Further, in the above technical solution, the signal indicator light 11 includes an L1 running state light, a L2 event indicator light and a L3 module fault light, the L1 running state light is used for indicating a power running state, the L2 event indicator light is used for prompting information update, and the L3 module fault light is used for warning circuit fault;
after the module is powered on, the L1 running state lamp emits green light to indicate that the power supply is normal, when a new event occurs in the internal module of the processing terminal body 1, the L2 event indicator lamp flashes at 1Hz frequency, when an operator looks up an event record menu, the L2 event indicator lamp automatically turns off through notebook computer debugging software or an MMI man-machine interface module, when the module self-checks an internal fault, the L3 module fault lamp emits red light, and at the moment, the module needs to be maintained.
Further, in the above technical solution, the communication interface 12 includes an RS485, an ethernet, a GPRS and/or a CDMA interface, the connection end of the communication interface 12 matches with the connection end of the handheld liquid crystal display 13, and the communication interface 12 adopts a modular design, and can adopt a shielded cable connection mode or a wireless connection mode, thereby facilitating different applications.
Further, in the above technical scheme, be equipped with the insulating bed course between processing terminal body 1 and the totally enclosed metal machine case 2, the insulating bed course is made by rubber materials, the 2 inner walls of totally enclosed metal machine case are equipped with electromagnetic protection film, and processor module and signal input output module metallic shield are kept apart, and the interference killing feature is strong, can stand adverse electromagnetic environment such as high pressure, thunder and lightning, and high frequency signal interference, and electromagnetic compatibility is high, can satisfy outdoor adverse action condition.
The model of the photoelectric mutual inductor 81 is set to KPS-CT, and the model of the Hall sensor 82 is set to ES 300C.
The model of the smoke sensor 91 is set to MQ-2, the model of the temperature and humidity sensor 92 is set to MS6503, the model of the sound wave sensor 93 is set to BR-ZS1, and the model of the RFID wireless temperature measurement module 94 is set to EE-SY110 ultrahigh frequency RFID sensor.
The central processor and the subprocessors both adopt samsung Exynos 4210.
The implementation mode is specifically as follows: when the device is in actual use, a plurality of photoelectric mutual inductors 81 and Hall sensors 82 are arranged through a multistage processor to respectively detect each sub-circuit, a reclosing relay 7 and a watchdog timer 6 are utilized to carry out three-stage alternate overcurrent protection on the sub-circuit, self-detection and recovery of a sub-circuit system are realized through an automatic control mode of one-time reclosing, post-acceleration protection and switch locking, operation data are uploaded to a central processor 3, fault points are rapidly checked, in the protection of a processing terminal body 1, a smoke sensor 91, a temperature and humidity sensor 92, an acoustic wave sensor 93 and an RFID wireless temperature measurement module 94 are utilized to be matched with the central processor 3 to realize the functions of microcomputer control protection, temperature and humidity monitoring, smoke sensing alarm, power monitoring, noise monitoring and wireless temperature measurement, and the functions are realized by utilizing a hardware monitoring mode, interference is reduced, and the data source is accurate, the cooperation heating piece 101, the intelligent protection to processing terminal body 1 components and parts and circuit is strengthened to alarm 102 and accuse female switch 103, reduce the short circuit risk, can monitor power equipment running state and operational environment comprehensively, and control power equipment action when necessary, not only save the cost, and the wiring has been simplified, work efficiency has been improved greatly, when overhauing circuit fault, insert communication interface 12 with handheld LCD screen 13, realize outside short-time connection, need not to open the quick-witted case, the damage of display under high temperature environment has been avoided, this embodiment has specifically solved the problem that the fault line investigation that exists among the prior art is difficult for causing the components and parts short circuit to damage.
As shown in fig. 1-2, the connection end of the central processing unit 3 is provided with a memory, the connection ends of the sub-processors 5 are provided with power-down memory chips, the power-down memory chips are used for storing real-time parameters of monitoring data of the sub-circuits 4, the memory is used for backing up historical data, and the power-down memory chips are used for storing the real-time parameters of the sub-circuits and can be automatically reset.
Further, in the above technical solution, the connection end of the processing terminal body 1 is provided with an operation and maintenance center end 14, the connection end of the central processing unit 3 is provided with a wireless communication module 15, and the operation and maintenance center end 14 is in remote communication connection with the processing terminal body 1 through the wireless communication module 15.
Further, in the above technical solution, the processing terminal body is internally provided with an anti-lightning protection circuit and a power filter, and the anti-lightning protection circuit and the power filter are used for circuit protection and voltage stabilization.
The implementation mode specifically comprises the steps that real-time parameters of the sub-circuit are stored through the power-down storage chip, data are sent to the central processing unit 3, the data are sent to the storage after being processed and stored for data source difference point comparison, the fault point can be conveniently and quickly located, later-period troubleshooting is facilitated, when the circuit is detected to be in fault, the L3 module fault lamp emits red light, the central processing unit 3 sends a signal to the operation and maintenance central end 14 through the wireless communication module 15 to inform maintenance, and the technical scheme is characterized in that all modules are optimized in design and highly integrated, so that the whole system is simple in structure, small in size and high in adaptability.
The working principle of the invention is as follows:
referring to the attached figures 1-5 of the specification, through a multistage processor, a plurality of photoelectric mutual inductors 81 and a plurality of Hall sensors 82 are arranged to respectively detect each sub-circuit, and a reclosing relay 7 and a watchdog timer 6 are utilized to carry out three-stage interphase overcurrent protection on the sub-circuit, through an automatic control mode of one-time reclosing, post-acceleration protection and switch locking, the self-detection and recovery of the sub-circuit system are realized, the operation data are uploaded to a central processor 3, fault points are rapidly checked, in the protection of a processing terminal body 1, a smoke sensor 91, a temperature and humidity sensor 92, an acoustic wave sensor 93 and an RFID wireless temperature measurement module 94 are utilized to cooperate with the central processor 3 to realize the functions of microcomputer control protection, temperature and humidity monitoring, smoke sensing alarm, power monitoring, noise monitoring and wireless temperature measurement, and the functions are reduced in interference and accurate data source by utilizing a hardware monitoring mode, when the intelligent protection of the components and the circuit of the processing terminal body 1 is enhanced by matching with the heating block 101, the alarm 102 and the control master switch 103, and the circuit fault is overhauled, the handheld liquid crystal screen 13 is inserted into the communication interface 12, so that external short-time connection is realized;
referring to the attached drawings 1-2 of the specification, the power-down storage chip stores the sub-circuit real-time parameters, sends the data to the central processing unit 3, processes the data and sends the data to the storage for storage, and the data is used for data source difference point comparison, so that the fault point can be quickly positioned and later-stage troubleshooting are facilitated, when the circuit fault is detected, the L3 module fault lamp emits red light, and the central processing unit 3 sends a signal to the operation and maintenance central terminal 14 through the wireless communication module 15 to notify maintenance.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides an wisdom distribution equipment terminal based on internet of things, is including handling terminal body (1) and totally enclosed metal machine case (2), handle inside its characterized in that of terminal body (1) fixed connection totally enclosed metal machine case (2): the intelligent safety protection system comprises a processing terminal body (1), wherein a central processing unit (3) is arranged in the processing terminal body (1), a plurality of interfaces distributed in an array are arranged at the connecting end of the central processing unit (3), a sub-circuit (4) is electrically connected in the interfaces, a sub-processor (5) is arranged at the connecting port of the sub-circuit (4) and the central processing unit (3), a watchdog timer (6) is arranged at the connecting end of the sub-processor (5), a reclosing relay (7) is arranged on the sub-circuit (4), a monitoring assembly (8) is connected in parallel on the outer side of the reclosing relay (7), an environment detection assembly (9) and a safety protection assembly (10) are arranged in a fully-sealed metal case (2), a signal indicator lamp (11) is arranged on the outer side of the processing terminal body (1), a communication interface (12) is arranged at the bottom of the fully-sealed metal case (2), and the communication interface (12, the connection end of the central processing unit (3) is provided with a handheld liquid crystal screen (13), and the handheld liquid crystal screen (13) is inserted into the communication interface (12);
the monitoring assembly (8) comprises a photoelectric transformer (81) and a Hall sensor (82), and the photoelectric transformer (81) and the Hall sensor (82) are electrically connected with the sub-processor (5) through a sub-circuit (4);
the environment detection assembly (9) comprises smoke sensors (91), a temperature and humidity sensor (92), an acoustic wave sensor (93) and an RFID wireless temperature measurement module (94), the smoke sensors (91), the temperature and humidity sensor (92), the acoustic wave sensor (93) and the RFID wireless temperature measurement module (94) are electrically connected with the input end of the central processing unit (3), and an A/D converter is arranged between the input end of the central processing unit (3) and the environment detection assembly (9) component;
security protection subassembly (10) are including heating piece (101), alarm (102) and the female switch of accuse (103), heating piece (101), alarm (102) and the female switch of accuse (103) all with central processing unit (3) output electric connection, and be equipped with the DA converter between central processing unit (3) output and security protection subassembly (10) components and parts, heating piece (101), alarm (102) and the female switch of accuse (103) are all fixed on totally enclosed metal machine case (2) inner wall.
2. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: the connecting end of the central processing unit (3) is provided with a memory, the connecting ends of the sub-processors (5) are provided with power-down memory chips, the power-down memory chips are used for storing real-time parameters of monitoring data of the sub-circuits (4), and the memory is used for backing up historical data.
3. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: the connection end of the processing terminal body (1) is provided with an operation and maintenance center end (14), the connection end of the central processing unit (3) is provided with a wireless communication module (15), and the operation and maintenance center end (14) is in remote communication connection with the processing terminal body (1) through the wireless communication module (15).
4. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: one side of the fully-sealed metal case (2) is provided with an observation window (16), and the observation window (16) is matched with the signal indicator lamp (11).
5. The intelligent power distribution equipment terminal based on the Internet of things technology is characterized in that the signal indicator lamps (11) comprise L1 running state lamps, L2 event indicator lamps and L3 module fault lamps, the L1 running state lamp is used for indicating the running state of a power supply, the L2 event indicator lamps are used for prompting information updating, and the L3 module fault lamps are used for warning circuit faults.
6. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: the communication interface (12) comprises an RS485 interface, an Ethernet interface, a GPRS interface and/or a CDMA interface, and the connecting end of the communication interface (12) is matched with the connecting end of the handheld liquid crystal screen (13).
7. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: an insulating cushion layer is arranged between the processing terminal body (1) and the fully-sealed metal case (2), the insulating cushion layer is made of rubber materials, and an electromagnetic protection film is arranged on the inner wall of the fully-sealed metal case (2).
8. The intelligent power distribution equipment terminal based on the internet of things technology as claimed in claim 1, wherein: the processing terminal body (1) is internally provided with a lightning protection circuit and a power filter, and the lightning protection circuit and the power filter are used for circuit protection and voltage stabilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420926.1A CN111404277B (en) | 2020-05-18 | Intelligent power distribution equipment terminal based on internet of things technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010420926.1A CN111404277B (en) | 2020-05-18 | Intelligent power distribution equipment terminal based on internet of things technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111404277A true CN111404277A (en) | 2020-07-10 |
| CN111404277B CN111404277B (en) | 2024-07-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127778A1 (en) * | 2015-02-13 | 2016-08-18 | 武汉数字派特科技有限公司 | Data transmission and control device in multi-node sensor network |
| CN107769385A (en) * | 2017-11-24 | 2018-03-06 | 深圳市时空数码科技有限公司 | Intelligent power distribution terminal and power monitoring method applied to Internet of Things |
| CN108649693A (en) * | 2018-05-19 | 2018-10-12 | 安徽国电京润电力科技有限公司 | A kind of Power Station Monitored Control System based on Internet of Things |
| CN110784688A (en) * | 2019-11-20 | 2020-02-11 | 深圳市中广控信息科技有限公司 | Internet of things operation and maintenance monitoring box for multi-path video monitoring integration |
| CN211880176U (en) * | 2020-05-18 | 2020-11-06 | 英格尔自动化(福建)有限公司 | Wisdom distribution equipment terminal based on internet of things |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127778A1 (en) * | 2015-02-13 | 2016-08-18 | 武汉数字派特科技有限公司 | Data transmission and control device in multi-node sensor network |
| CN107769385A (en) * | 2017-11-24 | 2018-03-06 | 深圳市时空数码科技有限公司 | Intelligent power distribution terminal and power monitoring method applied to Internet of Things |
| CN108649693A (en) * | 2018-05-19 | 2018-10-12 | 安徽国电京润电力科技有限公司 | A kind of Power Station Monitored Control System based on Internet of Things |
| CN110784688A (en) * | 2019-11-20 | 2020-02-11 | 深圳市中广控信息科技有限公司 | Internet of things operation and maintenance monitoring box for multi-path video monitoring integration |
| CN211880176U (en) * | 2020-05-18 | 2020-11-06 | 英格尔自动化(福建)有限公司 | Wisdom distribution equipment terminal based on internet of things |
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