CN110782191A - Cloud platform based power grid switch cabinet remote management method and system - Google Patents
Cloud platform based power grid switch cabinet remote management method and system Download PDFInfo
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- CN110782191A CN110782191A CN201911401039.3A CN201911401039A CN110782191A CN 110782191 A CN110782191 A CN 110782191A CN 201911401039 A CN201911401039 A CN 201911401039A CN 110782191 A CN110782191 A CN 110782191A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- H—ELECTRICITY
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Abstract
The invention provides a power grid switch cabinet remote management method based on a cloud platform and a management system using the method, wherein the management method comprises an initialization starting stage and a conventional operation stage, and the management system comprises a cloud platform server, a main power distribution device and a terminal switch cabinet; the initialization stage of the management method is executed when the cloud platform server, the main power distribution equipment and the tail end switch cabinet of the management system are connected in a matched mode; in the conventional operation stage, all power distribution data and refrigerating capacity are detected and recorded by a specially designed terminal switch cabinet, and are sent to a cloud platform for big data analysis, the heating condition of the terminal switch cabinet is judged through the refrigerating capacity, and then the average distributed power is used as a control standard value of power distribution for automatic power distribution, so that the actual total load power is reduced under the condition that all equipment can normally operate as far as possible.
Description
Technical Field
The invention belongs to the technical field of intelligent management of switch cabinets, and particularly relates to a cloud platform-based power grid switch cabinet remote management method and a switch cabinet management system using the method.
Background
The switch cabinet is an electric device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch circuit is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors and the like, and a high-pressure chamber, a low-pressure chamber, an insulating gas chamber and the like are also arranged in some cases, so that the device is suitable for power distribution automation.
The use of present cubical switchboard becomes general gradually, also make the distribution more and more automatic, but present cubical switchboard is independent cubical switchboard more, lack the communication linkage each other, it is only the automation within a small range to cause present distribution automation, be difficult to realize cubical switchboard linkage and distribution automation of large tracts of land, and present distribution method carries out the classification to the consumer usually, in case the condition of overload appears, distribution equipment can close the lower consumer of distribution priority level in order to reach the purpose that reduces total load, electric equipment's suddenly closed can influence user's use experience and cause certain influence.
In addition, the electric elements in the inflatable cabinet can generate certain heat after being used for a long time, and particularly, the inflatable cabinet with longer service time can inevitably generate more serious heating due to the conditions of aging of partial electric elements, poor contact of switch connecting parts and the like. Because the gas-filled cabinet is filled with sulfur hexafluoride gas, the sulfur hexafluoride gas is generally connected in a sealing manner, so that internal heat cannot be easily dissipated, the internal temperature of the cabinet is easily overhigh, the operation of internal electrical elements is further influenced, the damage is caused, and even the problems of fire explosion and the like can be caused. However, the current switch cabinet lacks the self-detection function of temperature, aging and the like.
Disclosure of Invention
Based on the problems in the prior art, the invention provides a cloud platform-based power grid switch cabinet remote management method which comprises an initialization starting stage and a conventional operation stage, wherein the initialization stage is executed when the cloud platform, a main power distribution device and a terminal switch cabinet are connected in a matched mode; all power distribution data and refrigerating capacity are detected and recorded by a specially designed terminal switch cabinet in a conventional operation stage, the data are sent to a cloud platform, a cloud platform server collects the data and performs large data analysis, heating conditions caused by aging or poor contact of the terminal switch cabinet are judged through the refrigerating capacity, meanwhile, the average distributed power of the switch cabinet or equipment is used as a control standard value of power distribution for automatic power distribution, and the actual total load power is reduced under the condition that all equipment can normally operate as far as possible.
The invention achieves the above purpose through the following detailed technical scheme:
the remote management method of the power grid switch cabinet based on the cloud platform comprises an initialization starting stage and a conventional operation stage, wherein the initialization starting stage comprises the following steps:
step S10: starting a tail-end switch cabinet, and sending a connection request to the main power distribution equipment and the cloud platform server by the tail-end switch cabinet;
step S20: the method comprises the steps that a main power distribution device and a cloud platform server are communicated with each other to verify a connection request, the main power distribution device defines a terminal switch cabinet number and sends the defined number to the cloud platform server and the terminal switch cabinet at the same time, and meanwhile the main power distribution device sends total surplus power generation power to the cloud platform server; the total surplus generating power is equal to the sum of the rated generating power and the average total load power, and the total load power is the power actually output by the total power distribution equipment;
step S30: the cloud platform server newly establishes a data file for the newly numbered terminal switch cabinet and puts the data file into a total database;
step S40: the cloud platform server compares the total surplus generated power with the pre-configured power, and if the total surplus generated power is larger than the pre-configured power, the cloud platform server sends a command of allocating the pre-configured power to the total power distribution equipment; if the total surplus generating power is less than the pre-configured power, the cloud platform server sends an instruction of distributing the total surplus generating power to the total power distribution equipment, meanwhile, the cloud platform server records a full load mark and sends a full load prompt to prompt a manager to increase capacity of the power station or adopt other solutions, and finally, the total power distribution equipment distributes corresponding power to a newly connected switch cabinet; the pre-allocated power is preset standard pre-allocated power, the request allocated power of the end switch cabinet or the average actual required power of the end switch cabinet obtained after the cloud platform server counts all data, a user can freely select which data is adopted as the pre-allocated power, and the average actual required power after counting is preferably adopted as the pre-allocated power;
the normal operation stage comprises the following operation steps:
the method comprises the steps that a terminal switch cabinet processor obtains working state information of electrical equipment connected with a terminal switch cabinet, wherein the working state information comprises whether the electrical equipment runs, the magnitude of output current, the magnitude of output voltage and running time;
the method comprises the steps that a terminal switch cabinet processor obtains self working state information which comprises the temperature in the switch cabinet, the total amount of distributed and input power and the average distributed power of each electric appliance connected with the terminal switch cabinet, and calculates the total amount of self output power, wherein the total amount of distributed and input power is the total power distributed to the terminal switch cabinet by superior power distribution equipment, namely the total power which can be distributed by the terminal switch cabinet;
the method comprises the steps that a terminal switch cabinet processor sends working state information of electrical equipment and working state information of the electrical equipment and the cloud platform server, the cloud platform processor receives information data and inputs the information data into a database, meanwhile, the cloud platform server carries out big data analysis, the big data analysis comprises the steps of calculating the average distributed power of each terminal switch cabinet, the average distributed power of each electrical equipment, the temperature change model of each terminal switch cabinet and the total average distributed power of all terminal switch cabinets, and the average distributed power is the average total input power of each terminal switch cabinet;
when the processor of the end switch cabinet detects that the temperature of the processor is higher than the preset early warning temperature, the refrigeration equipment of the end switch cabinet is started until the temperature in the end switch cabinet is lowered and returns to normal, the refrigerating capacity is counted at the same time, and refrigerating capacity information, the total power amount distributed by the end switch cabinet, output total amount information, pre-refrigerating temperature information and post-refrigerating temperature information are independently generated into data packets and are sent to the cloud platform server, the problem of temperature rise of the switch cabinet is always the most researched problem and is one of the main problems influencing the operation of the switch cabinet, the causes of temperature rise are good, the causes of temperature rise comprise external solar irradiation, heat generated by the operation of internal electric equipment and the like, the switch cabinet with vacuum heat insulation is adopted in the patent application, the external influencing factors are basically eliminated, the main cause of temperature rise in the cabinet is the generation of the operation of the electric equipment, and especially a large amount of heat is generated when aging or poor contact occurs, the heating value is indirectly obtained by calculating the refrigerating capacity, the temperature rise condition can be relieved through refrigeration, and the heating condition can be monitored constantly, so that the aging or poor contact monitoring of the switch cabinet is assisted;
the cloud platform server receives refrigeration information data packets, information data are recorded into a total database, and the data are analyzed at the same time, wherein the refrigeration amount required by the same end switch cabinet for reducing unit temperature is calculated;
the method comprises the steps that the power distribution priority levels of all end switch cabinets or all electrical equipment are divided in a user-defined mode or through analysis of a cloud platform server, when the total electric quantity power load exceeds the rated power generation load, the cloud platform server sends instructions to the total power distribution equipment and the end switch cabinets to limit power distribution power, the end switch cabinets or the electrical equipment with lower priority levels are firstly controlled to distribute power, the electrical equipment with actual power distribution power higher than the average distributed power is reduced to the average distributed power, the total power distribution equipment detects whether the total electric quantity power load is lower than the rated power generation load or not, if the total electric quantity power load still exceeds the rated power generation load, the cloud platform server sends instructions to close the electrical equipment with the lowest priority level until the total electric quantity power load is lower than the rated power generation load.
The remote management method of the power grid switch cabinet based on the cloud platform further comprises the steps of accessing an information database of the cloud platform through a user terminal so as to obtain working state information of the terminal switch cabinet and the electrical equipment; receiving a maintenance prompt of the cloud server platform through the user terminal; modifying a power distribution strategy through a user terminal, wherein the power distribution strategy comprises power distribution priority levels of electrical equipment and a tail-end switch cabinet and rated distributed power of each electrical equipment or the tail-end switch cabinet;
wherein, the power distribution priority level comprises an exemption level, a highest level, a second highest level, a middle level and a low level; the exemption level is a level which is not included in the power distribution limitation, namely, any power distribution limitation measure is not carried out when the actual power load is larger than the rated power generation amount; other grades are sorted from low to high, the power distribution limitation is performed by priority of the lower grade, and the user can set more grades by himself.
The cloud platform-based power grid switch cabinet remote management system comprises a cloud platform server, a main power distribution device and a terminal switch cabinet, wherein the cloud platform server stores a database and operates a power grid switch cabinet management cloud platform to execute the power grid switch cabinet remote management method based on the cloud platform; the total power distribution equipment is built in a power station and used for regional power grid total power distribution, and is connected to the cloud platform server through wired communication; the tail-end switch cabinet is arranged in each power utilization subarea region, and the electric quantity distributed from the main power distribution equipment is redistributed to each electric equipment;
the terminal switch cabinet comprises a switch cabinet main body, an electrical element module, an insulating gas box, a compressor, a radiating tube, an evaporating tube, a capillary tube, a temperature sensor and a base, wherein the base is fixedly installed on the ground; the compressor is fixedly arranged in the base, the radiating pipe is arranged on the side face of the cabinet body, one end of the radiating pipe is connected to the air outlet end of the compressor, the other end of the radiating pipe is connected to the capillary tube, the capillary tube is fixedly arranged in the upper portion of the switch cabinet main body, the other end of the capillary tube is connected to the evaporating pipe, the evaporating pipe is clamped and fixed to the top of the insulating gas box, one half of the evaporating pipe is arranged outside the insulating gas box and communicated with the capillary tube, the other half of the evaporating pipe is arranged in the insulating gas box and communicated with the insulating gas box, the bottom of the insulating gas box is connected to the air inlet end of the compressor through a copper pipe; the temperature sensor is fixedly arranged in the insulating gas box to detect the temperature in the insulating gas box.
The cloud platform-based power grid switch cabinet remote management system further comprises a middle-level power distribution device, the input end of the middle-level power distribution device is connected to a previous middle-level power distribution device or a total power distribution device, the output end of the middle-level power distribution device is connected to a next middle-level power distribution device or a terminal switch cabinet, the coverage range of the power distribution system is wider by adopting the middle-level power distribution device, the middle-level power distribution device can be regarded as the terminal switch cabinet relative to the total power distribution device, and the middle-level power distribution device can be regarded as the total power distribution device relative to the terminal switch.
The cloud platform-based power grid switch cabinet remote management system further comprises a user terminal, the user terminal is an electronic device with built-in cloud platform client software and comprises a mobile phone, a computer and an intelligent watch, and the user terminal is connected to a cloud platform server through wired or wireless communication.
The terminal switch cabinet further comprises an anti-collision frame, wherein the anti-collision frame is composed of a plurality of anti-collision beams, is fixedly installed on the outer side of the switch cabinet main body and is coated outside the heat dissipation pipe.
The invention has the following beneficial effects:
1. the sulfur hexafluoride of the gas charging cabinet is used as the refrigerant to refrigerate and regulate the temperature, the refrigerant does not need to be added additionally, the gas charging cabinet can be prevented from being damaged due to overhigh temperature, and the probability of fire, explosion and the like is reduced.
2. The cloud platform is introduced, the communication technology is utilized to realize linkage power distribution among the switch cabinets, in addition, data are concentrated in the cloud platform to be subjected to big data analysis, the strong computing capacity of the cloud platform server is utilized, the power distribution is more digitalized and standardized, the better and more intelligent automatic power distribution is conveniently realized, and the data are extracted to be used as a data base for scientific research and decision making.
Drawings
Fig. 1 is a schematic flow chart of a remote management method of a power grid switch cabinet based on a cloud platform.
Fig. 2 is a schematic connection diagram of a cloud platform-based power grid switchgear remote management system, in which dotted lines are wireless communication connections and solid lines are wired power distribution communication connections.
Fig. 3 is a schematic diagram of an internal structure of an end switch cabinet of a cloud platform-based power grid switch cabinet remote management system.
Fig. 4 is a schematic diagram of a heat radiation pipe structure of an end switch cabinet of a cloud platform-based power grid switch cabinet remote management system.
Fig. 5 is a schematic structural diagram of an anti-collision frame of an end switch cabinet of a cloud platform-based power grid switch cabinet remote management system.
Detailed Description
The invention is further described with reference to specific embodiments and the accompanying drawings.
The cloud platform-based power grid switch cabinet remote management method shown in fig. 1 includes an initialization start-up phase and a normal operation phase, wherein the initialization start-up phase includes the following steps:
step S10: starting a tail-end switch cabinet, and sending a connection request to the main power distribution equipment and the cloud platform server by the tail-end switch cabinet;
step S20: the method comprises the steps that a main power distribution device and a cloud platform server are communicated with each other to verify a connection request, the main power distribution device defines a terminal switch cabinet number and sends the defined number to the cloud platform server and the terminal switch cabinet at the same time, and meanwhile the main power distribution device sends total surplus power generation power to the cloud platform server; the total surplus generating power is equal to the sum of the rated generating power and the average total load power, and the total load power is the power actually output by the total power distribution equipment;
step S30: the cloud platform server newly establishes a data file for the newly numbered terminal switch cabinet and puts the data file into a total database;
step S40: the cloud platform server compares the total surplus generated power with the pre-configured power, and if the total surplus generated power is larger than the pre-configured power, the cloud platform server sends a command of allocating the pre-configured power to the total power distribution equipment; if the total surplus generating power is less than the pre-configured power, the cloud platform server sends an instruction of distributing the total surplus generating power to the total power distribution equipment, and the total power distribution equipment distributes corresponding power to the newly connected switch cabinet; the pre-configured power in the embodiment is the power requested to be distributed by the end switch cabinet, and when the end switch cabinet does not request to be distributed, the pre-configured power is the average actual required power of the end switch cabinet obtained after the cloud platform server counts all data;
the normal operation stage comprises the following operation steps:
the method comprises the steps that a terminal switch cabinet processor obtains working state information of electrical equipment connected with a terminal switch cabinet, wherein the working state information comprises whether the electrical equipment runs, the magnitude of output current, the magnitude of output voltage and running time;
the method comprises the steps that a terminal switch cabinet processor obtains self working state information including the temperature in the switch cabinet, the total amount of power distributed and input and the average distributed power of each electric appliance connected with the terminal switch cabinet processor, and calculates the total amount of power output by the terminal switch cabinet processor;
the method comprises the steps that a terminal switch cabinet processor sends working state information of electrical equipment and working state information of the electrical equipment and the cloud platform server, the cloud platform processor receives information data and inputs the information data into a database, and meanwhile, the cloud platform server carries out big data analysis, wherein the big data analysis comprises the calculation of distributed power of each terminal switch cabinet, distributed power of each electrical equipment, a temperature change model of each terminal switch cabinet and distributed power of the total average of all terminal switch cabinets;
when the tail end switch cabinet processor detects that the temperature of the tail end switch cabinet processor is higher than a preset early warning temperature, the refrigeration equipment of the tail end switch cabinet is started until the temperature in the tail end switch cabinet is lowered and returns to normal, meanwhile, the refrigeration capacity is counted, and the refrigeration capacity information, the total amount of power distributed by the tail end switch cabinet, the total amount output information, the pre-refrigeration temperature information and the post-refrigeration temperature information are independently generated into a data packet and sent to the cloud platform server;
the cloud platform server receives the refrigeration information data packet, inputs the information data into a total database, and analyzes the data, wherein the data comprises the refrigeration capacity required by the same terminal switch cabinet for reducing unit temperature, and if the refrigeration capacity obviously rises, the terminal switch cabinet is subjected to maintenance reminding;
the method comprises the steps that the power distribution priority levels of all end switch cabinets or all electrical equipment are customized or analyzed and divided by a cloud platform server, when the total electric quantity power load exceeds a rated power generation load, the cloud platform server sends instructions to the total power distribution equipment and the end switch cabinets to limit the power distribution power, the electrical equipment with the lowest priority level of the end switch cabinets with lower priority levels is controlled to distribute power firstly, the electrical equipment with the actual power distribution power higher than the average distributed power is reduced to the average distributed power, the total power distribution equipment detects whether the total electric quantity power load is lower than the rated power generation load or not, and if the total electric quantity power load still exceeds the rated power generation load, the cloud platform server sends instructions to limit the power distribution power of the electrical equipment with the lowest priority level of the end switch cabinets with higher priority levels; if the total electric quantity and power load is still higher than the rated power generation load when all the electric equipment with the lowest priority level is limited in power, starting a new round of power distribution limitation from the electric equipment with the higher level of the end switch cabinet with the lowest priority level, and repeating the cycle until all the electric equipment is limited, and then closing the electric equipment with the lowest priority level until the total electric quantity and power load is lower than the rated power generation load.
As a preferred embodiment, the cloud platform-based power grid switch cabinet remote management method further includes accessing an information database of the cloud platform through the user terminal, thereby obtaining working state information of the end switch cabinet and the electrical equipment; receiving a maintenance prompt of the cloud server platform through the user terminal; modifying a power distribution strategy through a user terminal, wherein the power distribution strategy comprises power distribution priority levels of electrical equipment and a tail-end switch cabinet and rated distributed power of each electrical equipment or the tail-end switch cabinet, and the operation of the user terminal is triggered and started by a user;
in a preferred embodiment, the power distribution priority levels include an exemption level, a highest level, a next highest level, a middle level and a low level, and a user can set a more detailed power distribution priority level by himself/herself.
The cloud platform-based power grid switch cabinet remote management system shown in fig. 2-5 comprises a cloud platform server, a main power distribution device, a terminal switch cabinet and a user terminal, wherein the cloud platform server stores a database and operates a power grid switch cabinet management cloud platform to execute the cloud platform-based power grid switch cabinet remote management method; the total power distribution equipment is built in a power station and used for regional power grid total power distribution, and is connected to the cloud platform server through wired communication; the tail-end switch cabinet is arranged in each power utilization subarea region, and the electric quantity distributed from the main power distribution equipment is redistributed to each electric equipment; the user terminal is an electronic device with built-in cloud platform client software and comprises a mobile phone, a computer and an intelligent watch, and is connected to the cloud platform server through wired or wireless communication;
the terminal switch cabinet comprises a switch cabinet main body 1, an electrical element module 2, an insulating gas box 3, a compressor 4, a radiating pipe 5, an evaporating pipe 6, a capillary tube 7, a temperature sensor 8 and a base 9, wherein the base 9 is fixedly installed on the ground, the switch cabinet main body 1 is fixedly installed above the base 9, the outer wall of the switch cabinet main body 1 is of a double-layer structure, a middle gap of the double-layer structure of a top wall and four side walls is a vacuum heat insulation layer 11, a gap between the double-layer structure of the bottom is a heat insulation plastic layer 12, the insulating gas box 3 is fixedly installed at the bottom in the switch cabinet main body 1, and the electrical element module 2 is neatly installed inside the insulating gas box 3 through an insulating fixing frame; the compressor 4 is fixedly arranged in the base 9, the radiating pipe 5 is arranged on the side face of the cabinet body, one end of the radiating pipe is connected to the air outlet end of the compressor 4, the other end of the radiating pipe 5 is connected to the capillary tube 7, the capillary tube 7 is fixedly arranged in the upper portion of the switch cabinet main body 1, the other end of the capillary tube 7 is connected to the evaporating tube 6, the evaporating tube 6 is clamped and fixed to the top of the insulating gas box 3, one half of the evaporating tube is arranged outside the insulating gas box 3 and communicated with the capillary tube 7, the other half of the evaporating tube is arranged in the insulating gas box 3 and communicated with the insulating gas box 3, the bottom of the insulating gas box 3 is connected to the air inlet end of the compressor 4 through a copper tube, and the insulating gas; the temperature sensor 8 is fixedly installed inside the insulating gas box 3 to detect the temperature inside the insulating gas box 3.
The system also comprises a middle-level power distribution device, wherein the input end of the middle-level power distribution device is connected to the upper-level middle-level power distribution device or the total power distribution device, and the output end of the middle-level power distribution device is connected to the lower-level middle-level power distribution device or the end switch cabinet.
As a preferred embodiment, the terminal switch cabinet further comprises an anti-collision frame 10, wherein the anti-collision frame 10 is composed of a plurality of anti-collision beams, is fixedly installed on the outer side of the switch cabinet main body 1, and is wrapped outside the radiating pipe 5.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. The remote management method of the power grid switch cabinet based on the cloud platform comprises an initialization starting stage and a conventional operation stage, and is characterized in that the initialization starting stage comprises the following steps:
step S10: starting a tail-end switch cabinet, and sending a connection request to the main power distribution equipment and the cloud platform server by the tail-end switch cabinet;
step S20: the method comprises the steps that a main power distribution device and a cloud platform server are communicated with each other to verify a connection request, the main power distribution device defines a terminal switch cabinet number and sends the defined number to the cloud platform server and the terminal switch cabinet at the same time, and meanwhile the main power distribution device sends total surplus power generation power to the cloud platform server; the total surplus generating power is equal to the sum of the rated generating power and the average total load power, and the total load power is the power actually output by the total power distribution equipment;
step S30: the cloud platform server newly establishes a data file for the newly numbered terminal switch cabinet and puts the data file into a total database;
step S40: the cloud platform server compares the total surplus generated power with the pre-configured power, and if the total surplus generated power is larger than the pre-configured power, the cloud platform server sends a command of allocating the pre-configured power to the total power distribution equipment; if the total surplus generating power is less than the pre-configured power, the cloud platform server sends an instruction of distributing the total surplus generating power to the total power distribution equipment, and the total power distribution equipment distributes corresponding power to the newly connected switch cabinet; the pre-allocated power is preset standard pre-allocated power, the requested allocated power of the tail end switch cabinet or the average actual required power of the tail end switch cabinet obtained after the cloud platform server counts all data;
the normal operation stage comprises the following operation steps:
the method comprises the steps that a terminal switch cabinet processor obtains working state information of electrical equipment connected with a terminal switch cabinet, wherein the working state information comprises whether the electrical equipment runs, the magnitude of output current, the magnitude of output voltage and running time;
the method comprises the steps that a terminal switch cabinet processor obtains self working state information including the temperature in the switch cabinet, the total amount of power distributed and input and the average distributed power of each electric appliance connected with the terminal switch cabinet processor, and calculates the total amount of power output by the terminal switch cabinet processor;
the method comprises the steps that a terminal switch cabinet processor sends working state information of electrical equipment and working state information of the electrical equipment and the cloud platform server, the cloud platform processor receives information data and inputs the information data into a database, and meanwhile, the cloud platform server carries out big data analysis, wherein the big data analysis comprises the calculation of distributed power of each terminal switch cabinet, distributed power of each electrical equipment, a temperature change model of each terminal switch cabinet and distributed power of the total average of all terminal switch cabinets;
when the tail end switch cabinet processor detects that the temperature of the tail end switch cabinet processor is higher than a preset early warning temperature, the refrigeration equipment of the tail end switch cabinet is started until the temperature in the tail end switch cabinet is lowered and returns to normal, meanwhile, the refrigeration capacity is counted, and the refrigeration capacity information, the total amount of power distributed by the tail end switch cabinet, the total amount output information, the pre-refrigeration temperature information and the post-refrigeration temperature information are independently generated into a data packet and sent to the cloud platform server;
the cloud platform server receives the refrigeration information data packet, inputs the information data into a total database, and analyzes the data, wherein the data comprises the refrigeration capacity required by the same terminal switch cabinet for reducing unit temperature, and if the refrigeration capacity obviously rises, the terminal switch cabinet is subjected to maintenance reminding;
the method comprises the steps that the power distribution priority levels of all end switch cabinets or all electrical equipment are divided in a user-defined mode or through analysis of a cloud platform server, when the total electric quantity power load exceeds the rated power generation load, the cloud platform server sends instructions to the total power distribution equipment and the end switch cabinets to limit power distribution power, the end switch cabinets or the electrical equipment with lower priority levels are firstly controlled to distribute power, the electrical equipment with actual power distribution power higher than the average distributed power is reduced to the average distributed power, the total power distribution equipment detects whether the total electric quantity power load is lower than the rated power generation load or not, if the total electric quantity power load still exceeds the rated power generation load, the cloud platform server sends instructions to close the electrical equipment with the lowest priority level until the total electric quantity power load is lower than the rated power generation load.
2. The cloud platform-based power grid switch cabinet remote management method according to claim 1, further comprising accessing an information database of the cloud platform through a user terminal, thereby acquiring working state information of the end switch cabinet and the electrical equipment; receiving a maintenance prompt of the cloud server platform through the user terminal; and modifying the power distribution strategy through the user terminal, wherein the power distribution strategy comprises the power distribution priority levels of the electric equipment and the end switch cabinet, and the rated distributed power of each electric equipment or the end switch cabinet.
3. The cloud platform-based power grid switchgear remote management method according to claim 1 or 2, wherein the power distribution priority levels include an exemption level, a highest level, a next highest level, a middle level, and a low level.
4. The remote management system for the power grid switch cabinet based on the cloud platform is characterized by comprising a cloud platform server, a main power distribution device and a terminal switch cabinet, wherein the cloud platform server stores a database and operates the power grid switch cabinet management cloud platform to execute the management method according to any one of claims 1 to 3; the total power distribution equipment is built in a power station and used for regional power grid total power distribution, and is connected to the cloud platform server through wired communication; the tail-end switch cabinet is arranged in each power utilization subarea region, and the electric quantity distributed from the main power distribution equipment is redistributed to each electric equipment;
the terminal switch cabinet comprises a switch cabinet main body (1), an electric element module (2), an insulating gas box (3), a compressor (4), a radiating pipe (5), an evaporating pipe (6), a capillary pipe (7), a temperature sensor (8) and a base (9), wherein the base (9) is fixedly installed on the ground, the switch cabinet main body (1) is fixedly installed above the base (9), the outer wall of the switch cabinet main body (1) is of a double-layer structure, a gap between the double-layer structure of the top wall and the side walls on the four sides is a vacuum heat insulation layer (11), a gap between the double-layer structure of the bottom is a heat insulation plastic layer (12), the insulating gas box (3) is fixedly installed at the bottom in the switch cabinet main body (1), and the electric element module (2) is neatly installed inside the insulating gas box (3) through an insulating fixing frame; compressor (4) fixed mounting inside base (9), cooling tube (5) install at cabinet side and one end is connected to the end of giving vent to anger of compressor (4), the other end of cooling tube (5) is connected to capillary (7) and capillary (7) fixed mounting in the inside on cubical switchboard main part (1) upper portion, the other end of capillary (7) be connected to evaporating pipe (6), evaporating pipe (6) joint fix at insulating gas case (3) top, half outside insulating gas case (3) and communicate capillary (7), half is in insulating gas case (3) and communicate insulating gas case (3), the bottom of insulating gas case (3) is connected to the inlet end of compressor (4) through a copper pipe again, insulating gas case (3), compressor (4), cooling tube (5), Sulfur hexafluoride is filled in the evaporation tube (6) and the capillary tube (7); the temperature sensor (8) is fixedly arranged in the insulating gas box (3) to detect the temperature in the insulating gas box (3).
5. The cloud platform-based power grid switchgear remote management system according to claim 4, further comprising a middle-level power distribution device, wherein the input end of the middle-level power distribution device is connected to the upper-level middle-level power distribution device or the main power distribution device, and the output end of the middle-level power distribution device is connected to the lower-level middle-level power distribution device or the end switch cabinet.
6. The cloud platform-based power grid switch cabinet remote management system according to claim 5, further comprising a user terminal, wherein the user terminal is an electronic device with built-in cloud platform client software and comprises a mobile phone, a computer and a smart watch, and the user terminal is connected to the cloud platform server through wired or wireless communication.
7. A cloud platform based power grid switchgear remote management system as claimed in any of claims 4-6, wherein the end switch cabinet further comprises an anti-collision frame (10), and the anti-collision frame (10) is composed of a plurality of anti-collision beams and is fixedly installed outside the switch cabinet body (1) and covers the heat dissipation pipe (5).
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