CN114759676A - Intelligent power distribution unit and control platform thereof - Google Patents
Intelligent power distribution unit and control platform thereof Download PDFInfo
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- CN114759676A CN114759676A CN202210458429.XA CN202210458429A CN114759676A CN 114759676 A CN114759676 A CN 114759676A CN 202210458429 A CN202210458429 A CN 202210458429A CN 114759676 A CN114759676 A CN 114759676A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an intelligent power distribution unit and a control platform thereof, which comprises an intelligent load manager and a cloud platform, wherein the intelligent load manager comprises an equipment wire inlet end, a plurality of hot-plug switch interfaces and a controller, the wire inlet end comprises a power supply interface, the hot-plug switch interfaces can be connected with an intelligent circuit breaker, the controller comprises an indicator lamp, a reset button, a serial port group and a grounding screw, an electronic switch and mechanical contact dual protection is arranged in the intelligent circuit breaker, an emergency button and an isolation button are arranged on the intelligent circuit breaker, a positive output interface, a negative output interface and a working indicator lamp are arranged at the front end of the intelligent circuit breaker, a positive input insert, a negative input insert and a signal main contact are arranged at the tail end of the intelligent circuit breaker, the intelligent power distribution unit has the advantages of intelligence, safety and energy conservation, all equipment can be turned off by one key, a circuit can be disconnected when electric energy is not needed to realize energy conservation, the electric non-aging is realized, so that the service life of the equipment is longer.
Description
Technical Field
The invention relates to the technical field of switching power supplies, in particular to an intelligent power distribution unit and a control platform thereof.
Background
Switching power supply system is as continuously providing the electrical power unit of direct current basic power for communication data equipment, and the miniature circuit breaker has been used to every way output to scarcely, and some equipment sites are far away, in order to save the resource, need remote control to close or open equipment, only need an instruction, just can be swift, makes things convenient for operating device's operating condition, consequently needs to use intelligent load management equipment.
At present, the existing intelligent load management equipment has the following obvious problems in the batch use process:
(1) the service life of the electric appliance is low, and the intelligent turn-off for multiple times every day cannot be guaranteed, so that the maintenance cost is high;
(2) flexible capacity expansion cannot be achieved, and if the access of the main equipment is increased subsequently, the equipment needs to be replaced or repeatedly purchased, so that waste is caused;
(3) the lightning protection grade is low, so that normal operation of equipment after lightning stroke cannot be guaranteed, and the operation and maintenance cost is high; only equipment-level lightning protection is adopted, and all branches are taken off after lightning protection action or failure;
(4) the electric arc can be generated in the process of line protection, so that a fire disaster is easily caused in the high-density cabinet type of the base station power distribution cabinet, and serious property loss is caused.
Disclosure of Invention
The invention aims to provide an intelligent power distribution unit and a control platform thereof, and aims to solve the problems of closing and opening of remote operation equipment and long-term remote control equipment power supply with low cost.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an intelligent power distribution unit and control platform thereof, includes intelligent load manager and cloud platform, intelligent load manager adopts and is less than or equal to 1U frame formula structure, cascades a plurality of intelligent circuit breaker by 1 intelligent gateway and constitutes, and can control 12 way intelligent circuit breaker at most, intelligent load manager includes equipment inlet wire end, a plurality of hot plug switch interface and controller, the inlet wire end includes power source, can support-36 VDC to the regional power supply of-72 VDC, and is a plurality of all accessible intelligent circuit breaker on the hot plug switch interface, the controller includes pilot lamp, reset button, serial ports group and ground screw, intelligent load manager possesses following function:
the safety protection function is as follows: the core device of the intelligent load manager is an intelligent circuit breaker, on-off is realized through semiconductor materials and technologies, and the intelligent load manager is a pre-judging breaking and active protection device; the breaking speed is very fast, no arc is generated, and the method can adapt to the severe environment scenes such as flammability, explosiveness and the like;
timing opening and closing and remote control: the intelligent load manager has the functions of remote timing (a plurality of time periods can be preset every day for timed automatic breaking/closing) reclosing and remote control reclosing, flexibly adapts to different scenes, and each execution module can set a unique address code according to a rule;
wired or wireless communication functions: the serial port group is provided with an RS485 communication interface, can be connected with an intelligent operation and maintenance platform through a gateway to replace the function of a small FSU, and can also be locally configured on a server of an operator, so that the controllability of the operator on equipment and the safety of data are ensured, and the functions of the platform and the display of the platform can be customized according to the requirements of users;
the metering function is as follows: a built-in direct current metering module (level 1, which realizes the functions of collecting voltage and current in real time for each shunt circuit and calculating the active power and the active electric quantity of each shunt circuit, wherein the active electric quantity metering of each shunt circuit comprises parameters such as accumulated electric quantity, freezing time point setting, current time period electric quantity and the like);
shunting lightning protection function: the intelligent circuit breaker is internally provided with a lightning protection module with a lightning protection grade of 10kA @8/20 us.
The temperature detection function: the intelligent load manager is internally provided with a temperature acquisition module, so that the line temperature can be monitored in real time, and a fire disaster is avoided.
Preferably, the intelligent circuit breaker is internally provided with electronic switch and mechanical contact dual protection, an emergency button and an isolation button are arranged on the intelligent circuit breaker, the isolation button can be pressed to close a mechanical contact during manual operation, the emergency button needs to be pressed to pop out the isolation button if the mechanical contact needs to be disconnected, the circuit breaker installed on the intelligent load manager needs to be disassembled, the popped isolation button can be pulled to pull out the intelligent circuit breaker, a positive output interface, a negative output interface and a work indicator lamp are arranged at the front end of the intelligent circuit breaker, and a positive input insertion sheet, a negative input insertion sheet and a signal dry contact are arranged at the tail end of the intelligent circuit breaker.
Preferably, the intelligent circuit breaker comprises the following functions:
electrical parameter data acquisition function: the system is matched with a platform to realize the function of gathering and reporting the switch data and the state, wherein the function comprises parameters such as electric quantity, current, voltage, power and the like;
remote configuration and control: the intelligent load manager supports remote configuration of an operation mode, a timing time parameter, each alarm threshold value, a network parameter and the like;
a timing turn-off function: the timing closing and opening can be realized every day;
communication function: the serial port group supports wired RS-485/232 data transmission;
remote configuration: the configuration of a subordinate intelligent shunt switch and a data acquisition strategy are defined in a cloud platform, and an intelligent gateway can be automatically loaded from the cloud platform;
clock function: time synchronization can be carried out through a time correction interface of the cloud platform, and the built-in intelligent gateway simultaneously realizes clock synchronization of subordinate shunt intelligent switches;
and (4) protection function: overvoltage and undervoltage protection, overtemperature protection, overload and short circuit protection and the like;
normally closed function: the switch of the cloud platform power distribution intelligent control system is required to be closed under the condition of no 'opening' instruction, the switch of the cloud platform power distribution intelligent control system detects a remote instruction or a heartbeat packet, and when the 'opening' instruction cannot be detected within 10 minutes, the switch is closed immediately;
a fault bypass function: the normally closed function of the switch is not influenced when the controller fails.
Preferably, the intelligent gateway has functions of gathering and forwarding data, controlling and managing intelligent switches, has an RS485/232 uplink transmission function, and is matched with a cloud platform, the cloud platform is composed of a large-screen display module, an equipment monitoring module, an equipment inspection module, a timing scene module and a system management module, the large-screen display module comprises alarm quantity, alarm data, operation logs, energy consumption statistics, equipment type statistics and quantity statistics, the equipment monitoring module comprises an equipment list, equipment details, latest early warning and faults, equipment parameters, firmware upgrading and historical data, the equipment inspection module comprises system physical examination, historical early warning and faults and an operation and maintenance work order, the timing scene module comprises timing setting and scenes, and the system management module comprises role management, user management, project management, equipment management, a computer, and a computer, Log management, therefore accessible terminal electrical apparatus such as intelligent circuit breaker gather factors such as electric current, voltage, residual current electric current, wire temperature to carry out incessant data tracking and statistical analysis through the cloud platform, discover the potential safety hazard (such as cable temperature anomaly, short circuit overload, cross undervoltage and circuit residual current etc.) that electrical line and consumer exist in real time, send potential safety hazard and power consumption trouble, electric power data for the user in real time, guide user's safety power consumption, eliminate potential safety hazard.
Preferably, the interface of the cloud platform displays: the data large screen, the equipment state, the parameter setting, the equipment monitoring, the equipment map distribution, the operation and maintenance task management and the report form center can display the operation condition overview of the whole set of system through the data large screen, mainly comprises equipment operation early warning/fault statistics, tasks needing to be processed currently and alarm messages, a user can master the operation conditions of all equipment on the whole, abnormal equipment can be found conveniently and quickly and can be disposed, the real-time state of the equipment including temperature, voltage, current, power, equipment state and switch state can be checked through the equipment state, the user can set and modify the threshold values of overcurrent, overload, overvoltage and undervoltage and temperature through the parameter setting through a Web end, specific parameters are defined according to the user requirements, real digital definition parameters are realized, the power utilization parameters of the equipment can be monitored in real time through the equipment monitoring, and are recorded as historical data, the distribution condition of the equipment on the map can be seen through the distribution of the equipment map, the operation and maintenance task management can support a user to set a timing opening and closing switch through a web interface, the equipment is upgraded, a maintenance plan, maintenance management, personnel management and alarm setting are realized, the report center can support the user to view the power utilization data of the equipment through the web interface, and the energy-saving analysis, the energy consumption statistics and the abnormal data statistics and processing are realized.
Preferably, the data transmission between the intelligent load manager and the cloud platform is implemented in a data encryption manner, and the specific encryption manner is as follows:
data encryption: the data encryption adopts an AES encryption mode, and when the equipment leaves a factory, a secret key No. 0 is used for installation mode, namely plaintext transmission; after the device opens an account in the system, when the device reports data to the system for the first time, the system automatically issues 4 sets of operation keys to the device, each set of key is 16 bytes, after the device stores 4 sets of operation keys, when the data needs to be reported, a set of key is randomly selected from the 4 sets of keys for the data needing to be encrypted, the data field is encrypted, when the encryption operation is performed, the data in the data field is divided into data blocks with 16 bytes as units, then each 16-byte data block is respectively encrypted according to the set key, all the encrypted data blocks are connected together according to the original sequence, the byte number of the encrypted ciphertext is also an integral multiple of 16, for the key No. 0, the plaintext is transmitted, the content of less than 16 bytes needs to be complemented, the operation key is enabled only when the issuing flag bit of the operation key is 1, if the flag bit is set to be 0, the operation key is reset to be the default key, and only uses the cipher key No. 0 to transmit in plain text;
and (3) data decryption: when the equipment receives a data packet issued by the system in an encryption mode, the equipment reads the key number, decrypts according to the corresponding key in the key number extraction table, and executes a decrypted command, and if the key number is 0, the command is directly executed without decryption;
and (3) key management: the key is generated by a management system into 4 groups of random keys, each group of keys is 16 bytes, and the keys are not modified in principle after being generated.
The beneficial effects of the invention are:
1. wisdom: the switch can be turned off or on manually through remote control without going to a longer distance. Timing, time delay, remote control processing in different places and the like can be completed by defining scenes, the number of the scenes is not limited, and the scenes can be added manually. Cluster control: all the lights and various appliances associated with a scene can be turned on at one time through the scene setting.
2. Safety: the switch can be locked through remote setting, misoperation is avoided, manual switching-on of non-units is avoided, unnecessary accidents are avoided, and automatic disconnection or mode disconnection can be realized when electrical faults occur.
3. Energy conservation: all equipment can be turned off by one key, and the circuit can be disconnected when the electric energy is not needed to be used, so that the energy is saved, the electric aging is avoided, and the service life of the equipment is longer.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an intelligent load manager;
fig. 2 is a front view of the intelligent circuit breaker in the embodiment;
fig. 3 is a side view of an embodiment of the smart circuit breaker;
fig. 4 is a working principle diagram of the embodiment.
Reference numerals: 1. an intelligent load manager; 2. an intelligent circuit breaker; 3. an equipment incoming line end; 4. a hot plug switch interface; 5. a controller; 6. a power interface; 7. an indicator light; 8. a reset button; 9. a serial port group; 10. a ground screw; 11. an emergency button; 12. an isolation button; 13. a positive output interface; 14. a negative output interface; 15. a work indicator light; 16. a positive input insert; 17. a negative input insert; 18. a signal dry contact.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the scope of protection is not limited to the embodiment, and any technical solutions that fall under the spirit of the present invention should fall under the scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
As shown in fig. 1 to 4, an intelligent power distribution unit and a control platform thereof, include an intelligent load manager 1 and a cloud platform, the intelligent load manager 1 adopts a frame structure of not more than 1U, and is composed of 1 intelligent gateway cascade connection of a plurality of intelligent circuit breakers 2, and can control 12 intelligent circuit breakers 2 at most, the intelligent load manager 1 includes an equipment inlet end 3, a plurality of hot-plug switch interfaces 4 and a controller 5, the inlet end includes a power source interface 6, can support power supply in an interval of-36 VDC to-72 VDC, all the intelligent circuit breakers 2 can be accessed on the plurality of hot-plug switch interfaces 4, the controller 5 includes an indicator light 7, a reset button 8, a serial port group 9 and a ground screw 10, the serial port group 9 has 18 interfaces, wherein the interface 8 is a B interface of an uplink serial port 485, and the interface 10 is an a interface of the uplink serial port 485. The intelligent load manager 1 has the following functions:
the safety protection function is as follows: the core device of the intelligent load manager 1 is an intelligent circuit breaker 2, on-off is realized through semiconductor materials and technologies, and the intelligent load manager is a pre-judging type breaking and active protection device; the breaking speed is very fast, no arc is generated, and the method can adapt to the severe environment scenes such as flammability, explosiveness and the like.
Timing opening and closing and remote control: the intelligent load manager 1 has functions of remote timing (multiple time periods can be preset every day for timed automatic breaking/closing) reclosing and remote control reclosing, flexibly adapts to different scenes, and each execution module can set a unique address code according to rules.
Wired or wireless communication functions: the serial port group 9 is provided with an RS485 communication interface, can be connected with an intelligent operation and maintenance platform through a gateway to replace the function of a small FSU, and can also be configured on a server of an operator through localization, thereby ensuring the controllability of the operator on equipment and the safety of data, and customizing the functions of the platform and the display of the platform according to the requirements of users.
The metering function is as follows: a built-in direct current metering module (level 1, which realizes the functions of collecting voltage and current in real time for each shunt circuit and calculating the active power and the active electric quantity of each shunt circuit, wherein the active electric quantity metering of each shunt circuit comprises parameters such as accumulated electric quantity, freezing time point setting, current time period electric quantity and the like), wherein the current precision is +/-1 percent, and the voltage precision is +/-0.5 percent; the electric energy precision is +/-1%.
Shunting lightning protection function: the intelligent circuit breaker 2 is internally provided with a lightning protection module with a lightning protection grade of 10kA @8/20 us.
The temperature detection function: the intelligent load manager 1 is internally provided with a temperature acquisition module, so that the line temperature can be monitored in real time, and the fire disaster is avoided.
Inside electronic switch and the mechanical contact duplicate protection of setting up of intelligent circuit breaker 2, be provided with emergency button 11 and isolator button 12 on the intelligent circuit breaker 2, during manual operation, isolator button 12 presses and can make mechanical contact closed, if will break mechanical contact need press emergency button 11 and make isolator button 12 pop out, if need dismantle the circuit breaker of installing on intelligent load manager 1, can pull the isolator button 12 who pops out and extract intelligent circuit breaker 2, the front end of intelligent circuit breaker 2 is provided with anodal output interface 13, negative pole output interface 14 and work pilot lamp 15, the tail end of intelligent circuit breaker 2 is provided with anodal input inserted sheet 16, negative pole input inserted sheet 17 and signal dry contact 18.
The smart circuit breaker 2 includes the following functions:
electrical parameter data acquisition function: the system is matched with a platform to realize the function of gathering and reporting the switch data and the state, wherein the function comprises parameters such as electric quantity, current, voltage, power and the like;
remote configuration and control: the intelligent load manager 1 supports remote configuration of an operation mode, a timing time parameter, each alarm threshold value, a network parameter and the like;
a timing shutdown function: the timing closing and opening can be realized every day;
communication function: the serial port group 9 supports wired RS-485/232 data transmission;
remote configuration: the configuration of a subordinate shunt intelligent switch and a data acquisition strategy are defined in a cloud platform, and an intelligent gateway can be automatically loaded from the cloud platform;
and (3) clock function: time synchronization can be carried out through a time correction interface of the cloud platform, and the built-in intelligent gateway simultaneously realizes clock synchronization of subordinate shunt intelligent switches;
and (4) protection function: overvoltage and undervoltage protection, overtemperature protection, overload and short circuit protection and the like;
normally closed function: the switch of the cloud platform power distribution intelligent control system is required to be closed under the condition of no 'opening' instruction, the switch of the cloud platform power distribution intelligent control system detects a remote instruction or a heartbeat packet, and when the 'opening' instruction cannot be detected within 10 minutes, the switch is closed immediately;
a fault bypass function: the normally closed function of the switch is not influenced when the controller fails.
The intelligent circuit breaker 2 thus has the following advantages:
(1) the volume is small, the design of high density is realized, and the height is 1U;
(2) the modularized design can flexibly expand the capacity according to the requirement;
(3) long on-load life, millions of electrical lives;
(4) the hot plug design is adopted, and the installation and maintenance operations are simple and easy;
(5) the lightning protection grade is high, and each path of lightning protection module is independent;
(6) the design of no electric arc, the ultra-high security;
(7) microsecond grade breaking capacity and ultra-fast response speed;
(8) high reliability, and temperature detection and various protection functions.
The intelligent gateway has the functions of gathering and forwarding data, controlling, managing an intelligent switch and the like, has the RS485/232 uplink transmission function, and is matched with a cloud platform, the cloud platform is composed of a large-screen display module, an equipment monitoring module, an equipment inspection module, a timing scene module and a system management module, the large-screen display module comprises the alarm quantity, the alarm data, an operation log, energy consumption statistics, equipment type statistics and quantity statistics, the equipment monitoring module comprises an equipment list, equipment details, latest early warning and faults, equipment parameters, firmware upgrading and historical data, the equipment inspection module comprises a system physical examination, historical early warning and faults, an operation and maintenance work order, the timing scene module comprises timing settings and scenes, the system management module comprises role management, user management, project management, equipment management and log management, and therefore current can be collected by an electric appliance at the tail end of an intelligent circuit breaker 2 and the like, The cloud platform is used for continuously tracking data and carrying out statistical analysis on the factors such as voltage, residual current, wire temperature and the like, potential safety hazards (such as cable temperature abnormity, short circuit overload, overvoltage and undervoltage, circuit residual current and the like) existing in an electric circuit and electric equipment are found in real time, the potential safety hazards, power utilization faults and electric power data are sent to users in real time, the users are guided to safely utilize electricity, and potential safety hazards are eliminated.
The interface display of the cloud platform is as follows: the data large screen, the equipment state, the parameter setting, the equipment monitoring, the equipment map distribution, the operation and maintenance task management and the report form center can display the operation condition overview of the whole set of system through the data large screen, mainly comprises equipment operation early warning/fault statistics, tasks needing to be processed currently and alarm messages, a user can master the operation conditions of all equipment on the whole, abnormal equipment can be found conveniently and quickly and can be disposed, the real-time state of the equipment including temperature, voltage, current, power, equipment state and switch state can be checked through the equipment state, the user can set and modify the threshold values of overcurrent, overload, overvoltage and undervoltage and temperature through the parameter setting through a Web end, specific parameters are defined according to the user requirements, real digital definition parameters are realized, the power utilization parameters of the equipment can be monitored in real time through the equipment monitoring, and are recorded as historical data, the distribution condition of the equipment on the map can be seen through the distribution of the equipment map, the operation and maintenance task management can support a user to set a timing opening and closing switch through a web interface, the equipment upgrading, the maintenance plan, the maintenance management, the personnel management and the alarm setting, and the report center can support the user to view the power utilization data of the equipment through the web interface, so that the energy-saving analysis, the energy consumption statistics and the abnormal data statistics and processing can be realized.
The data transmission between the intelligent load manager 1 and the cloud platform adopts a data encryption mode, and the specific encryption mode is as follows:
data encryption: the data encryption adopts an AES encryption mode, and when the equipment leaves a factory, a secret key No. 0 is used for installation mode, namely plaintext transmission; after the equipment makes an account in the system, when the equipment reports data to the system for the first time, the system automatically distributes 4 groups of operation keys to the equipment, each group of keys is 16 bytes, after the equipment stores 4 groups of operation keys, when the data needs to be reported, a group of keys is randomly selected from the 4 groups of keys for the data needing to be encrypted, a data domain is encrypted, when in encryption operation, the data in the data domain is divided into data blocks with 16 bytes as a unit, then each 16-byte data block is respectively encrypted according to a set key, all the encrypted data blocks are connected together according to the original sequence, the byte number of an encrypted ciphertext is also an integral multiple of 16, for a key No. 0, plaintext is transmitted, the content less than 16 bytes needs to be complemented, the operation key is started only when a distribution flag bit of the operation key is 1, if the flag bit is set to be 0, the operation key is reset to be a default key, and only uses the cipher key No. 0 to transmit in plain text;
data decryption: when the equipment receives a data packet issued by the system in an encryption mode, the equipment reads the key number, decrypts according to the corresponding key in the key number extraction table, and executes a decrypted command, and if the key number is 0, the command is directly executed without decryption;
and (3) key management: the key is generated by a management system into 4 groups of random keys, each group of keys is 16 bytes, and the keys are not modified in principle after being generated.
The intelligent switching system can be used for setting timing control and performing remote switching on and off by a smart cloud platform. When the load of the user base station is low or the user quantity is very small, redundant energy consumption components of the dormant base station are turned off, and when the load of the user base station is increased, corresponding components are intelligently turned on to meet the requirements, so that the purposes of energy conservation and emission reduction are achieved.
Claims (6)
1. An intelligent power distribution unit and a control platform thereof are characterized by comprising an intelligent load manager (1) and a cloud platform, the intelligent load manager (1) adopts a frame structure less than or equal to 1U and is composed of 1 intelligent gateway cascade connected with a plurality of intelligent circuit breakers (2), and can control 12-path intelligent circuit breakers (2) at most, the intelligent load manager (1) comprises an equipment wire inlet end (3), a plurality of hot-plug switch interfaces (4) and a controller (5), the wire inlet end comprises a power supply interface (6), can support power supply between-36 VDC and-72 VDC, intelligent circuit breakers (2) can be connected to a plurality of hot plug switch interfaces (4), controller (5) are including pilot lamp (7), reset button (8), serial ports group (9) and ground screw (10), intelligence load manager (1) possesses following function:
the safety protection function is as follows: the core device of the intelligent load manager (1) is an intelligent circuit breaker (2), on-off is realized through semiconductor materials and technologies, and the intelligent load manager is a pre-judging type breaking and active protection device; the breaking speed is very fast, no arc is generated, and the method can adapt to the harsh scenes of the environment such as inflammability and explosiveness;
timing opening and closing and remote control: the intelligent load manager (1) has functions of remote timing (a plurality of time periods can be preset every day for timed automatic breaking/closing) reclosing and remote control reclosing, flexibly adapts to different scenes, and each execution module can set a unique address code according to a rule;
wired or wireless communication functions: the serial port group (9) is provided with an RS485 communication interface, can be connected with an intelligent operation and maintenance platform through a gateway to replace the function of a small FSU, and can also be configured on a server of an operator through localization, thereby ensuring the controllability of the operator on equipment and the safety of data, and customizing the platform function and platform display according to the user requirement;
the metering function is as follows: a built-in direct current metering module (level 1, which realizes the functions of collecting voltage and current in real time for each shunt circuit and calculating the active power and the active electric quantity of each shunt circuit, wherein the active electric quantity metering of each shunt circuit comprises parameters such as accumulated electric quantity, freezing time point setting, current time period electric quantity and the like);
shunting lightning protection function: the intelligent circuit breaker (2) is internally provided with a lightning protection module with a lightning protection grade of 10kA @8/20 us;
the temperature detection function: the intelligent load manager (1) is internally provided with a temperature acquisition module, so that the line temperature can be monitored in real time, and a fire disaster is avoided.
2. The intelligent power distribution unit and the control platform thereof as claimed in claim 1, wherein the intelligent circuit breaker (2) is internally provided with electronic switch and mechanical contact dual protection, the intelligent circuit breaker (2) is provided with an emergency button (11) and an isolation button (12), during manual operation, the isolation button (12) is pressed to close the mechanical contact, if the mechanical contact needs to be disconnected, the emergency button (11) needs to be pressed to pop up the isolation button (12), if the circuit breaker installed on the intelligent load manager (1) needs to be disassembled, the popped up isolation button (12) can be pulled to pull out the intelligent circuit breaker (2), the front end of the intelligent circuit breaker (2) is provided with a positive output interface (13), a negative output interface (14) and a work indicator lamp (15), and the tail end of the intelligent circuit breaker (2) is provided with a positive input insertion sheet (16), A negative input plug-in sheet (17) and a signal dry contact (18).
3. An intelligent power distribution unit and its control platform according to claim 2, characterized in that the intelligent circuit breaker (2) comprises the following functions:
electrical parameter data acquisition function: the system is matched with a platform to realize the function of gathering and reporting the switch data and the state, wherein the function comprises parameters such as electric quantity, current, voltage, power and the like;
remote configuration and control: the intelligent load manager (1) supports remote configuration of an operation mode, a timing time parameter, each alarm threshold value, a network parameter and the like;
a timing turn-off function: the timing closing and opening can be realized every day;
communication function: the serial port group (9) supports wired RS-485/232 data transmission;
remote configuration: the configuration of a subordinate shunt intelligent switch and a data acquisition strategy are defined in a cloud platform, and an intelligent gateway can be automatically loaded from the cloud platform;
and (3) clock function: time synchronization can be carried out through a cloud platform time correction interface, and a built-in intelligent gateway can simultaneously realize clock synchronization of subordinate shunt intelligent switches;
and (4) protection function: overvoltage and undervoltage protection, overtemperature protection, overload and short circuit protection and the like;
normally closed function: the switch of the cloud platform power distribution intelligent control system is closed under the condition of no 'opening' instruction, the switch of the cloud platform power distribution intelligent control system detects a remote instruction or a heartbeat packet, and the switch is closed immediately when the 'opening' instruction cannot be detected within 10 minutes;
a fault bypass function: the normally closed function of the switch is not influenced when the controller fails.
4. An intelligent power distribution unit and its control platform as claimed in claim 3, wherein the intelligent gateway has functions of collecting and forwarding data, controlling, managing intelligent switches, etc., has RS485/232 uplink transmission function, and is matched with a cloud platform, the cloud platform is composed of a large screen display module, an equipment monitoring module, an equipment inspection module, a timing scene module and a system management module, the large screen display module comprises alarm number, alarm data, operation log, energy consumption statistics, equipment type statistics and number statistics, the equipment monitoring module comprises equipment list, equipment details, latest early warning and failure, equipment parameters, firmware upgrade, historical data, the equipment inspection module comprises system physical examination, historical early warning and failure, operation and maintenance work order, the timing scene module comprises timing setting and scene, the system management module comprises role management, user management, project management, equipment management and log management, so that current, voltage, residual current, wire temperature and other factors can be collected by the electric appliances at the tail ends of the intelligent circuit breaker (2) and the like, uninterrupted data tracking and statistical analysis are performed through the cloud platform, potential safety hazards (such as cable temperature abnormity, short circuit overload, overvoltage and undervoltage, circuit residual current and the like) existing in an electric circuit and electric equipment can be found in real time, the potential safety hazards and power utilization faults are sent to users in real time, the user safety power utilization is guided, and potential safety hazards are eliminated.
5. The intelligent power distribution unit and the control platform thereof according to claim 4, wherein the interface of the cloud platform displays: the data large screen, the equipment state, the parameter setting, the equipment monitoring, the equipment map distribution, the operation and maintenance task management and the report form center can display the operation condition overview of the whole set of system through the data large screen, mainly comprises equipment operation early warning/fault statistics, tasks needing to be processed currently and alarm messages, a user can master the operation conditions of all equipment on the whole, abnormal equipment can be found conveniently and quickly and can be disposed, the real-time state of the equipment including temperature, voltage, current, power, equipment state and switch state can be checked through the equipment state, the user can set and modify the threshold values of overcurrent, overload, overvoltage and undervoltage and temperature through the parameter setting through a Web end, specific parameters are defined according to the user requirements, real digital definition parameters are realized, the power utilization parameters of the equipment can be monitored in real time through the equipment monitoring, and are recorded as historical data, the distribution condition of the equipment on the map can be seen through the distribution of the equipment map, the operation and maintenance task management can support a user to set a timing opening and closing switch through a web interface, the equipment is upgraded, a maintenance plan, maintenance management, personnel management and alarm setting are realized, the report center can support the user to view the power utilization data of the equipment through the web interface, and the energy-saving analysis, the energy consumption statistics and the abnormal data statistics and processing are realized.
6. The intelligent power distribution unit and the control platform thereof as claimed in claim 5, wherein the data transmission between the intelligent load manager (1) and the cloud platform is implemented by data encryption, and the encryption is specifically as follows:
data encryption: the data encryption adopts an AES encryption mode, and when the equipment leaves a factory, a secret key No. 0 is used for installation mode, namely plaintext transmission; after the device opens an account in the system, when the device reports data to the system for the first time, the system automatically issues 4 sets of operation keys to the device, each set of key is 16 bytes, after the device stores 4 sets of operation keys, when the data needs to be reported, a set of key is randomly selected from the 4 sets of keys for the data needing to be encrypted, the data field is encrypted, when the encryption operation is performed, the data in the data field is divided into data blocks with 16 bytes as units, then each 16-byte data block is respectively encrypted according to the set key, all the encrypted data blocks are connected together according to the original sequence, the byte number of the encrypted ciphertext is also an integral multiple of 16, for the key No. 0, the plaintext is transmitted, the content of less than 16 bytes needs to be complemented, the operation key is enabled only when the issuing flag bit of the operation key is 1, if the flag bit is set to be 0, the operation key is reset to be the default key, and only uses the cipher key No. 0 to clear text transmission;
data decryption: when the equipment receives a data packet issued by the system in an encryption mode, the equipment reads the key number, decrypts according to the corresponding key in the key number extraction table, and executes a decrypted command, and if the key number is 0, the command is directly executed without decryption;
and (3) key management: the key is generated by a management system into 4 groups of random keys, each group of keys is 16 bytes, and the keys are not modified in principle after being generated.
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| CN202210458429.XA CN114759676A (en) | 2022-04-27 | 2022-04-27 | Intelligent power distribution unit and control platform thereof |
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| CN115460043A (en) * | 2022-08-15 | 2022-12-09 | 广东东达科技有限公司 | Equipment control management access gateway and use method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115460043A (en) * | 2022-08-15 | 2022-12-09 | 广东东达科技有限公司 | Equipment control management access gateway and use method |
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