CN116742810B - Intelligent substation auxiliary system synthesizes monitoring device - Google Patents
Intelligent substation auxiliary system synthesizes monitoring device Download PDFInfo
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- CN116742810B CN116742810B CN202310996391.6A CN202310996391A CN116742810B CN 116742810 B CN116742810 B CN 116742810B CN 202310996391 A CN202310996391 A CN 202310996391A CN 116742810 B CN116742810 B CN 116742810B
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 127
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000005498 polishing Methods 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 16
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 17
- 230000009466 transformation Effects 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 70
- 108091006146 Channels Proteins 0.000 description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 21
- 229910052760 oxygen Inorganic materials 0.000 description 21
- 239000001301 oxygen Substances 0.000 description 21
- 230000009471 action Effects 0.000 description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 18
- 239000010949 copper Substances 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 11
- 238000009826 distribution Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000007906 compression Methods 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000036284 oxygen consumption Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
-
- 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
- H02J13/00034—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 an electric power substation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
The invention discloses an integrated monitoring device of an intelligent substation auxiliary system, which is used for monitoring an intelligent substation and comprises a shell, an early warning device and a diversion device, wherein the early warning device is connected with the shell, the diversion device is connected with the shell, an electric appliance layer and a cable layer are sequentially arranged on the intelligent substation from top to bottom, the shell is arranged in the cable layer, the diversion device is provided with double inlets, one inlet of the diversion device is communicated with the atmosphere, the other inlet of the diversion device is communicated with the cable layer, the inlet communicated with the atmosphere is arranged through the double inlets of the diversion device and is used for conveying cold air into the substation, air cooling is carried out on electric elements transformed in the electric appliance layer, the transformation efficiency is ensured, the other inlet is used for conveying gas in the cable layer, and humidity detection is carried out through the early warning device, so that the sealing of a cable inlet and a cable outlet in the cable layer is monitored in real time.
Description
Technical Field
The invention relates to the technical field of intelligent substation monitoring, in particular to an integrated monitoring device for an intelligent substation auxiliary system.
Background
The transformer substations are generally used in power systems to transform voltage and current so as to distribute electric energy, and along with the increase of various large-scale mechanical equipment and power consumption demands, the transformer substations are often required to be additionally arranged in the field, and often are far away from residential areas so as to prevent the influence on the life of surrounding residents, therefore, the transformer substations need to be patrolled and examined by staff.
In order to reduce the inspection difficulty of the staff, the intelligent substation can be intelligently upgraded, and functions of information acquisition, measurement, protection and the like are integrated, so that the staff can remotely monitor the intelligent substation. However, when a major and special situation is faced, if a specific responsible personnel unit cannot timely communicate with a headquarter technician on line so as to obtain an optimal solution, the optimal solution time is missed, and equipment is damaged.
In addition, because the power consumption time of different enterprises has the difference, consequently, intelligent substation needs all weather to work, leads to inside electrical component consumption different, and the cooling grade that needs also produces great difference, through traditional inner loop refrigeration, and the consumption is great, and the extrinsic cycle forced air cooling, then under the great circumstances of outside humidity, is causing inside electrical component to strike sparks easily, under the sufficient circumstances of oxygen in the air, causes great condition of a fire easily, even wholly destroys to influence the stability of transmission of electricity.
Disclosure of Invention
The invention aims to provide an intelligent substation auxiliary system comprehensive monitoring device which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides an intelligent substation auxiliary system synthesizes monitoring device, synthesizes monitoring device and is used for monitoring intelligent substation, including casing, early warning device and guiding device, early warning device and casing connection, guiding device and casing connection, intelligent substation from the top down is equipped with electrical apparatus layer and cable layer in proper order, and the cable layer is arranged in to the casing, and guiding device sets up two import, and guiding device import and atmosphere intercommunication, another import and cable layer intercommunication.
The intelligent substation is detected in real time through the auxiliary system comprehensive monitoring device, the early warning device is connected with the main control system, abnormal signals generated by the intelligent substation can be transmitted back to the main control center, gas flow guiding is conducted through the flow guiding device, excessive humidity gas is prevented from entering the intelligent substation, ignition is caused, normal operation of the intelligent substation is affected, the shell serves as a main installation base, each device for detection is installed, the comprehensive monitoring device is integrally arranged in a cable layer of the intelligent substation, an electric appliance layer located on the upper layer performs voltage transformation regulation on power supply, the cable layer is an installation layer of various cable inlet wires and outlet wires, due to the fact that cables need to penetrate through the wall surface of the cable layer, when sealing fails, water vapor is dispersed to the electric appliance layer to cause ignition, the inlet of air communication is used for conveying cool air into the substation, air cooling is conducted on electric appliance elements of voltage transformation in the electric appliance layer, transformation efficiency is guaranteed, the other inlet is used for conveying gas in the cable layer, the pre-warning device is used for humidity detection, and accordingly real-time monitoring is conducted on cable inlet and outlet sealing in the cable layer.
Further, an air inlet channel is arranged on the shell, the flow guiding device comprises an outer fan, the outer fan is provided with double inlets, an outlet of the outer fan is communicated with an air inlet channel pipeline, a detection cavity is arranged on the shell, and one end of the air inlet channel, which is far away from the outer fan, is communicated with the detection cavity;
the early warning device comprises a detection assembly, the detection assembly is arranged in a detection cavity, the detection assembly comprises a detection block, a conducting strip, a mounting seat and a compression spring, the detection block and the conducting strip are respectively electrically connected with a wiring terminal of a detection power supply, a pressure regulating cavity is formed in the mounting seat, the compression spring is arranged in the pressure regulating cavity, a transmission plate is arranged at the upper end of the conducting strip, the transmission plate is in sliding connection with the pressure regulating cavity, the upper end of the transmission plate is in butt joint with the compression spring, and the detection block is made of metal easy to rust.
The main power supply of outer fan for outer circulation, send into the electrical apparatus in situ through the pipeline with external air conditioning in proper order via air inlet duct, detection chamber, carry out forced air cooling to the electrical component in the electrical apparatus in situ, prevent inside electrical component overheated, guarantee transformation efficiency, detect the chamber with the gaseous introduction in the cable layer simultaneously, be convenient for detect the humidity in the cable layer, thereby carry out real-time supervision to the leakproofness between cable and the intelligent transformer station, detect the piece and be easy corrosion metal, for example: copper block, under oxygen and steam effect, can take place the corrosion, the surface generates the copper green, the conductivity of copper green weakens greatly, when the air humidity that the air inlet duct sent into is great, owing to there are oxygen and carbon dioxide in the air itself, detect the piece surface and generate the copper green, make the conductivity on detecting the piece top layer weaken, the electric current on the circuit reduces promptly, thereby moisture content and the oxygen to the air inlet duct carry out real-time detection, when the electrical apparatus layer takes place to strike sparks, stop outer circulation, accelerate inside oxygen consumption, prevent that oxygen from getting into electrical apparatus layer combustion-supporting, the mount pad is installed compression spring and drive plate through the pressure regulating chamber, the drive plate is under compression spring pressure effect, with the conducting strip crimping at detecting the piece surface, guarantee conductive efficiency.
Further, the early warning device also comprises a power assembly, the power assembly comprises a driving cylinder, a polishing motor and a polishing wheel, a sliding groove is arranged on one side of the detection cavity, the driving cylinder is in sliding connection with the sliding groove, the output end of the driving cylinder is respectively in transmission connection with the mounting seat and the polishing motor, the output end of the polishing motor is in transmission connection with the polishing wheel, and the polishing surface of the polishing wheel is in intermittent contact with the upper side of the detection block;
when polishing: the grinding surface of the grinding wheel is contacted with the detection block, and the external fan is reversed.
The driving cylinder in the power assembly provides driving power, so that the driving cylinder can drive the mounting seat and the polishing motor to transversely move, the end part of the driving cylinder is arranged in the sliding groove, when the surface of the detection block is corroded, the driving cylinder outputs displacement, the polishing motor is driven to move, the polishing wheel is enabled to polish away the corroded part on the surface of the detection block, the subsequent detection precision is prevented from being influenced, the continuity detection is facilitated, the stop valve is arranged on the inlet of the communication of the outer fan and the cable layer, and the stop valve is kept in a stop state when the outer fan is reversed and is discharged to the outside.
Further, the guiding device further comprises a circulating fan, a circulating air channel is arranged on the shell, an air inlet of the circulating fan is communicated with the electric appliance layer pipeline, an air outlet of the circulating fan is communicated with the circulating air channel pipeline, an air outlet of the detecting cavity is arranged on one side of the detecting cavity, an air outlet of the detecting cavity and an air outlet of the circulating air channel are respectively communicated with the air outlet, and the air outlet is communicated with the electric appliance layer pipeline.
The intelligent substation is subjected to gas internal circulation through the circulating fan, the air in the electric appliance layer is pumped out by the circulating fan, the refrigerating structure is arranged at the outlet of the circulating fan, the internal circulation air flow is cooled, the cooled air flow is conveyed into the air outlet channel through the circulating air channel, the mixed external circulation cold air is conveyed into the electric appliance layer together, the internal electric appliance elements are subjected to forced air cooling, the internal circulation refrigerating capacity is reduced through the combination of the internal circulation and the external circulation, so that the energy consumption is reduced, and the running stability of the intelligent substation is ensured.
Further, the flow guiding device also comprises an adjusting component, the shell is provided with a flow dividing cavity, the flow dividing cavity is positioned at the inlet position of the air outlet channel, the detecting cavity is intermittently communicated with the circulating air channel through the flow dividing cavity, the adjusting component is arranged in the flow dividing cavity and comprises a flow dividing seat and an electromagnet, the electromagnet is fixedly connected with one side wall surface of the flow dividing cavity, which is close to the circulating air channel, the flow dividing seat is rotationally connected with the flow dividing cavity, and the flow dividing seat is made of a magnet material;
initial state: the shunt seat deflects towards one side of the detection cavity, and the outlet of the detection cavity is in a cut-off state;
when the power is on: the opposite ends of the shunt seat and the electromagnet are different-name magnetic poles.
The shunt cavity is located air outlet channel import position, carry out the ratio to the air output in detection cavity and the circulation wind channel, under the initial condition, the reposition of redundant personnel seat will detect the complete shutoff of cavity export, when whole mechanism starts the operation, detection piece and conducting strip access circuit begin to detect the moisture content, when the air supply moisture content is far below the standard value, when detecting piece surface corrosion emergence very little promptly, the conductivity is the biggest this moment, the current value size of drive power supply to electro-magnet output is controlled according to the current value that produces on the circuit, under the magnetic pole suction effect, shunt seat deflects to electro-magnet one side, and with circulation wind channel export shutoff, at this moment the terminal refrigeration structure of circulation fan does not participate in refrigeration, rely on external cold wind can satisfy the cooling demand in the intelligent substation, reduce refrigeration energy consumption.
Further, the adjusting component also comprises a scroll spring, one end of the scroll spring is fixedly connected with the split flow cavity, and the other end of the scroll spring is fixedly connected with the rotating axis of the split flow seat.
Under initial condition, the reposition of redundant personnel seat is under spiral spring elasticity effect, will detect the chamber export shutoff, through setting up spiral spring, when the moisture content of extrinsic cycle air supply is great, cause inside electrical apparatus layer to take place to strike sparks easily, under steam and oxygen combined action, make detection piece surface take place to rust, make conductivity greatly reduced, the current value that inserts the electro-magnet reduces promptly, the reposition of redundant personnel seat can't be under magnetic force effect, make detection chamber keep open condition, when the current value reaches minimum, under spiral spring elasticity effect, make detection chamber export resume initial condition, stop completely, outer circulation stop promptly, rely on the inner loop to cool down, prevent that electrical apparatus layer inside from taking place to strike sparks.
As optimization, the detection block, the conducting strip and the detection power supply form a detection circuit, and the electromagnet is electrically connected with the detection circuit. The detection circuit is formed by the detection block, the conducting strip and the detection power supply, and the current value generated on the detection circuit is used for directly controlling the current value of the input electromagnet, so that the internal and external circulation proportioning regulation efficiency is improved.
As optimization, the flow guiding device also comprises a refrigeration pipe, and the circulating fan is communicated with the circulating air channel through the refrigeration pipe. The refrigeration structure is arranged in the refrigeration pipe and used for cooling the gas of the internal circulation, so that the external circulation is prevented from not participating in the process, and the cooling requirement in the electrical appliance layer can not be met.
As optimization, one end of the air inlet channel, which is close to the detection cavity, faces to the upper side of the detection block. The air inlet duct gas outlet is towards the detection block, and when being convenient for air inlet, the air current is directly blown to the detection block to detect the moisture content, and when polishing, the dust is directly discharged, and the impurity deposition is prevented.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the gas in the cable layer is led into the detection cavity, so that the humidity in the cable layer is conveniently detected, the tightness between the cable and the intelligent transformer station is monitored in real time, and the detection block is made of metal easy to rust, for example: the copper block is rusted under the action of oxygen and water vapor, the surface of the copper block generates copper green, the conductivity of the copper green is greatly reduced, when the humidity of air fed by the air inlet duct is high, the surface of the detection block generates copper green due to the existence of oxygen and carbon dioxide in the air, so that the conductivity of the surface layer of the detection block is reduced, namely the current on a circuit is reduced, the moisture content of the air inlet duct and the oxygen are detected in real time, when an electric appliance layer is ignited, the external circulation is stopped, the internal oxygen consumption is accelerated, and the oxygen is prevented from entering the electric appliance layer to support combustion; when the humidity ratio of the supplied air is far lower than the standard value, namely when the rust on the surface of the detection block is very small, the electrical conductivity is maximum at the moment, the current value output by the driving power supply to the electromagnet is controlled according to the current value generated on the circuit, the shunt seat deflects to one side of the electromagnet under the action of the magnetic pole suction force, and the outlet of the circulating air duct is blocked, namely, the refrigerating structure at the tail end of the circulating fan does not participate in refrigeration at the moment, the cooling requirement in the intelligent substation can be met by virtue of external cold air, and the refrigerating energy consumption is reduced; when the moisture content of the external circulation air supply is large, the internal electric appliance layer is easy to strike fire, under the combined action of water vapor and oxygen, the surface of the detection block is rusted, the conductivity is greatly reduced, namely the current value of the access electromagnet is reduced, the shunt seat cannot keep the detection cavity in an open state under the action of magnetic force, when the current value reaches the minimum, the outlet of the detection cavity is restored to the initial state under the action of the elasticity of the spiral spring, the external circulation is stopped completely, the internal circulation is relied on to cool, and the internal of the electric appliance layer is prevented from striking fire.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic diagram of the structure of the early warning device of the present invention;
FIG. 3 is an enlarged view of part A of the view of FIG. 2;
FIG. 4 is a schematic illustration of a test block sanding drive of the present invention;
FIG. 5 is an enlarged view of part B of the view of FIG. 2;
FIG. 6 is a schematic view of the wrap spring construction of the present invention;
in the figure: 1-shell, 11-air inlet duct, 12-detection cavity, 13-air outlet duct, 14-circulation air duct, 15-diversion cavity, 2-early warning device, 21-detection component, 211-detection block, 212-conducting sheet, 213-mount pad, 214-compression spring, 215-drive plate, 22-power component, 221-driving cylinder, 222-polishing motor, 223-polishing wheel, 3-diversion device, 31-external fan, 32-circulation fan, 33-adjusting component, 331-diversion seat, 332-electromagnet, 333-scroll spring, 34-refrigeration tube, 4-intelligent substation, 41-cable layer, 42-electrical appliance layer.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
as shown in fig. 1-2, an integrated monitoring device for an intelligent substation auxiliary system is used for monitoring an intelligent substation 4, and comprises a shell 1, an early warning device 2 and a diversion device 3, wherein the early warning device 2 is connected with the shell 1, the diversion device 3 is connected with the shell 1, an electrical appliance layer 42 and a cable layer 41 are sequentially arranged on the intelligent substation 4 from top to bottom, the shell 1 is arranged in the cable layer 41, the diversion device 3 is provided with double inlets, one inlet of the diversion device 3 is communicated with the atmosphere, and the other inlet is communicated with the cable layer 41.
The intelligent substation 4 is detected in real time through the auxiliary system integrated monitoring device, the early warning device 2 is connected with the main control system, abnormal signals generated by the intelligent substation 4 can be transmitted back to the main control center, gas flow guiding is conducted through the flow guiding device 3, excessive humidity is prevented from entering the intelligent substation 4, ignition is caused, normal operation of the intelligent substation is affected, the shell 1 serves as a main installation base, all devices for detection are installed, the integrated monitoring device is integrally arranged in a cable layer 41 of the intelligent substation 4, an electric appliance layer 42 located on the upper layer performs voltage transformation regulation on power supply, the cable layer 41 is an installation layer of various cable inlet wires and outlet wires, and due to the fact that cables need to penetrate through the wall surface of the cable layer 41, when sealing fails, water vapor can be dispersed to the electric appliance layer to cause ignition, the inlet of the flow guiding device 3 is arranged in a double inlet way, and an inlet of atmosphere communication is used for conveying cold air into the substation, air cooling is conducted on electric appliance elements transformed in the electric appliance layer 42, transformation efficiency is guaranteed, the other inlet is used for conveying gas in the cable layer 41, humidity is detected through the early warning device 2, and cable sealing in the cable layer 41 is monitored in real time.
As shown in fig. 1-4, an air inlet duct 11 is arranged on a shell 1, a flow guiding device 3 comprises an outer fan 31, the outer fan 31 is provided with double inlets, an outlet of the outer fan 31 is communicated with an air inlet duct 11 through a pipeline, a detection cavity 12 is arranged on the shell 1, and one end, far away from the outer fan 31, of the air inlet duct 11 is communicated with the detection cavity 12;
the early warning device 2 comprises a detection assembly 21, the detection assembly 21 is arranged in the detection cavity 12, the detection assembly 21 comprises a detection block 211, a conductive sheet 212, a mounting seat 213 and a pressure-welding spring 214, the detection block 211 and the conductive sheet 212 are respectively electrically connected with a wiring terminal of a detection power supply, the mounting seat 213 is provided with a pressure-welding cavity, the pressure-welding spring 214 is arranged in the pressure-welding cavity, the upper end of the conductive sheet 212 is provided with a transmission plate 215, the transmission plate 215 is in sliding connection with the pressure-welding cavity, the upper end of the transmission plate 215 is in butt joint with the pressure-welding spring 214, and the detection block 211 is of easy-to-rust metal.
The outer fan 31 is the main power supply of outer circulation, sends external air conditioning into the electrical apparatus layer 42 through the pipeline in proper order via the air inlet duct 11, detect the chamber 12, carries out forced air cooling to the electrical component in the electrical apparatus layer 42, prevents inside electrical component overheated, guarantees transformation efficiency, simultaneously with the gaseous leading-in detection chamber 12 in the cable layer 41, be convenient for detect the humidity in the cable layer 41 to carry out real-time supervision to the leakproofness between cable and intelligent substation 4, detect the piece 211 and be easy corrosion metal, for example: copper block, under oxygen and steam effect, can take place the corrosion, the surface generates the copper green, the conductivity of copper green weakens greatly, when the air humidity that air inlet channel 11 sent into is great, because there are oxygen and carbon dioxide in the air itself, detect the surface of piece 211 and produce the copper green, make the conductivity on the piece 211 top layer weaken, the current on the circuit reduces promptly, thereby detect moisture content and the oxygen of air inlet channel 11 in real time, when electrical apparatus layer 42 takes place to strike sparks, stop outer circulation, accelerate inside oxygen consumption, prevent that oxygen from getting into electrical apparatus layer 42 combustion-supporting, mount pad 213 installs crimping spring 214 and drive plate 215 through the pressure regulating chamber, drive plate 215 is under crimping spring 214 pressure effect, press-contact conducting strip 212 at the piece 211 surface of detecting, guarantee electrically conductive efficiency.
As shown in fig. 1-4, the early warning device 2 further comprises a power assembly 22, the power assembly 22 comprises a driving cylinder 221, a polishing motor 222 and a polishing wheel 223, a chute is arranged on one side of the detection cavity 12, the driving cylinder 221 is in sliding connection with the chute, the output end of the driving cylinder 221 is respectively in transmission connection with the mounting seat 213 and the polishing motor 222, the output end of the polishing motor 222 is in transmission connection with the polishing wheel 223, and the polishing surface of the polishing wheel 223 is in intermittent contact with the upper side of the detection block 211;
when polishing: the grinding wheel 223 is in contact with the detection block 211, and the outer blower 31 is reversed.
The driving cylinder 221 in the power assembly 22 provides driving power, so that the driving cylinder 221 can drive the mounting seat 213 and the polishing motor 222 to transversely move, the end part of the driving cylinder 221 is arranged in the chute, when the surface of the detection block 211 is rusted, the driving cylinder 221 outputs displacement, the polishing motor 222 is driven to move, the polishing wheel 223 polishes away the rusted part on the surface of the detection block 211, the subsequent detection precision is prevented from being influenced, the continuity detection is facilitated, the stop valve is arranged on the inlet communicated with the outer fan 31 and the cable layer 41, the outer fan 31 is reversed, and the stop valve is kept in a cut-off state when the outer fan is exhausted to the outside.
As shown in fig. 1, the flow guiding device 3 further includes a circulating fan 32, the casing 1 is provided with a circulating air duct 14, an air inlet of the circulating fan 32 is in pipeline communication with the electrical appliance layer 42, an air outlet of the circulating fan 32 is in pipeline communication with the circulating air duct 14, one side of the detection cavity 12 is provided with an air outlet duct 13, and outlets of the detection cavity 12 and the circulating air duct 14 are respectively in pipeline communication with the air outlet duct 13, and the air outlet duct 13 is in pipeline communication with the electrical appliance layer 42.
The air internal circulation is carried out on the intelligent substation 4 through the circulating fan 32, the air in the electric appliance layer 42 is pumped out by the circulating fan 32, the refrigerating structure is arranged at the outlet of the circulating fan 32, the internal circulation air flow is cooled, the cooled air flow is sent into the air outlet duct 13 through the circulating air duct 14, the cold air mixed with the external circulation is sent into the electric appliance layer 42 together, the internal electric appliance elements are forced to be cooled by air, the internal circulation and the external circulation are combined, the refrigerating capacity of the internal circulation is reduced, the energy consumption is reduced, and the running stability of the intelligent substation 4 is ensured.
As shown in fig. 1-2 and 5, the flow guiding device 3 further comprises an adjusting component 33, a flow distribution cavity 15 is arranged on the shell 1, the flow distribution cavity 15 is positioned at the inlet position of the air outlet duct 13, the detection cavity 12 and the circulating air duct 14 are intermittently communicated with the air outlet duct 13 through the flow distribution cavity 15, the adjusting component 33 is arranged in the flow distribution cavity 15, the adjusting component 33 comprises a flow distribution seat 331 and an electromagnet 332, the electromagnet 332 is fixedly connected with one side wall surface of the flow distribution cavity 15, which is close to the circulating air duct 14, the flow distribution seat 331 is rotationally connected with the flow distribution cavity 15, and the flow distribution seat 331 is made of a magnet material;
initial state: the diversion seat 331 deflects to one side of the detection cavity 12, and the outlet of the detection cavity 12 is in a cut-off state;
when the power is on: the opposite ends of the shunt seat 331 and the electromagnet 332 are different-name magnetic poles.
The shunt cavity 15 is located at the inlet position of the air outlet channel 13, the air outlet amount in the detection cavity 12 and the circulation air channel 14 is proportioned, in an initial state, the shunt seat 331 completely seals the outlet of the detection cavity 12, when the whole mechanism starts to operate, the detection block 211 and the conducting strip 212 are connected into the circuit to start to detect the moisture content, when the air supply moisture content is far lower than a standard value, namely, when the rust on the surface of the detection block 211 is very small, the conductivity is the largest, the driving power supply is controlled to output the current value to the electromagnet 332 according to the current value generated on the circuit, the shunt seat 331 deflects to the electromagnet 332 side under the action of magnetic pole suction, and seals the outlet of the circulation air channel 14, namely, the refrigerating structure at the tail end of the circulation fan 32 does not participate in refrigeration at the moment, the cooling requirement in the intelligent transformer substation 4 can be met by means of external cold air, and the refrigeration energy consumption is reduced.
As shown in fig. 5 to 6, the adjusting assembly 33 further includes a spiral spring 333, one end of the spiral spring 333 is fixedly connected to the split-flow chamber 15, and the other end is fixedly connected to the rotation axis of the split-flow seat 331.
In the initial state, the split-flow seat 331 seals the outlet of the detection cavity 12 under the action of the elasticity of the spiral spring 333, when the moisture content of the external circulation air supply is large by arranging the spiral spring 333, the internal electric appliance layer 42 is easy to strike fire, under the combined action of water vapor and oxygen, the surface of the detection block 211 is rusted, the conductivity is greatly reduced, namely the current value of the access electromagnet 332 is reduced, the split-flow seat 331 cannot keep the detection cavity 12 in an open state under the action of magnetic force, when the current value reaches the minimum, the outlet of the detection cavity 12 is restored to the initial state under the action of the elasticity of the spiral spring 333, the external circulation stops, and the internal circulation is relied on for cooling to prevent the internal of the electric appliance layer 42 from striking fire.
Preferably, the detection block 211, the conductive sheet 212 and the detection power supply form a detection circuit, and the electromagnet 332 is electrically connected with the detection circuit. The detection circuit is formed by the detection block 211, the conductive sheet 212 and the detection power supply, and the current value generated on the detection circuit is used for directly controlling the current value of the input electromagnet 332, so that the internal and external circulation proportion adjusting efficiency is improved.
Preferably, the flow guiding device 3 further comprises a refrigeration pipe 34, and the circulating fan 32 is communicated with the circulating air duct 14 through the refrigeration pipe 34. The refrigeration structure is disposed within the refrigeration tube 34 for cooling the gas of the internal circuit, preventing the external circuit from not participating in the process and failing to meet the cooling requirements within the electrical layer 42.
Preferably, the end of the air inlet channel 11 close to the detection cavity 12 faces to the upper side of the detection block 211. The air outlet of the air inlet duct 11 faces the detection block 211, so that air flow is directly blown onto the detection block 211 for moisture content detection when air is conveniently fed, and scraps are conveniently and directly discharged when polishing, and impurity deposition is prevented.
The working principle of the invention is as follows: the gas in the cable layer 41 is led into the detection cavity 12, so that the humidity in the cable layer 41 is conveniently detected, the tightness between the cable and the intelligent substation 4 is monitored in real time, and the detection block 211 is made of metal easy to rust, for example: the copper block is rusted under the action of oxygen and water vapor, the surface of the copper block generates copper green, the conductivity of the copper green is greatly reduced, when the humidity of air fed into the air inlet duct 11 is high, the surface of the detection block 211 generates copper green due to the existence of oxygen and carbon dioxide in the air, so that the conductivity of the surface layer of the detection block 211 is reduced, namely the current on a circuit is reduced, the moisture content of the air inlet duct 11 and the oxygen are detected in real time, when the electric appliance layer 42 is ignited, the external circulation is stopped, the internal oxygen consumption is accelerated, and the oxygen is prevented from entering the electric appliance layer 42 to support combustion; when the air supply moisture content is far lower than the standard value, namely when the rust on the surface of the detection block 211 is very small, the electrical conductivity is maximum at the moment, the current value output by the driving power supply to the electromagnet 332 is controlled according to the current value generated on the circuit, the flow dividing seat 331 deflects to one side of the electromagnet 332 under the action of the magnetic pole suction force, the outlet of the circulating air duct 14 is blocked, namely, at the moment, the refrigerating structure at the tail end of the circulating fan 32 does not participate in refrigeration, the cooling requirement in the intelligent substation 4 can be met by virtue of external cold air, and the refrigerating energy consumption is reduced; when the moisture content of the external circulation air supply is large, the internal electric appliance layer 42 is easy to strike fire, under the combined action of water vapor and oxygen, the surface of the detection block 211 is rusted, the conductivity is greatly reduced, namely the current value of the access electromagnet 332 is reduced, the shunt seat 331 cannot keep the detection cavity 12 in an open state under the action of magnetic force, when the current value reaches the minimum, the outlet of the detection cavity 12 is restored to the initial state under the action of the elastic force of the spiral spring 333, and the external circulation is completely stopped, namely, the internal circulation is relied on to cool down, so that the internal of the electric appliance layer 42 is prevented from striking fire.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Comprehensive monitoring device of intelligent substation auxiliary system, comprehensive monitoring device is used for monitoring intelligent substation (4), its characterized in that: the comprehensive monitoring device comprises a shell (1), an early warning device (2) and a flow guiding device (3), wherein the early warning device (2) is connected with the shell (1), the flow guiding device (3) is connected with the shell (1), an electric appliance layer (42) and a cable layer (41) are sequentially arranged on the intelligent transformer substation (4) from top to bottom, the shell (1) is arranged in the cable layer (41), the flow guiding device (3) is provided with a double inlet, one inlet of the flow guiding device (3) is communicated with the atmosphere, and the other inlet is communicated with the cable layer (41);
an air inlet channel (11) is formed in the shell (1), the flow guiding device (3) comprises an outer fan (31), the outer fan (31) is provided with double inlets, an outlet of the outer fan (31) is communicated with the air inlet channel (11) through a pipeline, a detection cavity (12) is formed in the shell (1), and one end, far away from the outer fan (31), of the air inlet channel (11) is communicated with the detection cavity (12);
the early warning device (2) comprises a detection assembly (21), the detection assembly (21) is arranged in a detection cavity (12), the detection assembly (21) comprises a detection block (211), a conductive sheet (212), a mounting seat (213) and a crimping spring (214), the detection block (211) and the conductive sheet (212) are respectively electrically connected with a wiring terminal of a detection power supply, the mounting seat (213) is provided with a pressure regulating cavity, the crimping spring (214) is arranged in the pressure regulating cavity, the upper end of the conductive sheet (212) is provided with a transmission plate (215), the transmission plate (215) is in sliding connection with the pressure regulating cavity, the upper end of the transmission plate (215) is in butt joint with the crimping spring (214), and the detection block (211) is easy-to-rust metal;
the early warning device (2) further comprises a power assembly (22), the power assembly (22) comprises a driving cylinder (221), a polishing motor (222) and a polishing wheel (223), a sliding groove is formed in one side of the detection cavity (12), the driving cylinder (221) is slidably connected with the sliding groove, the output end of the driving cylinder (221) is respectively in transmission connection with the mounting seat (213) and the polishing motor (222), the output end of the polishing motor (222) is in transmission connection with the polishing wheel (223), and the polishing surface of the polishing wheel (223) is in intermittent contact with the upper side of the detection block (211);
when polishing: the polishing surface of the polishing wheel (223) is in contact with the detection block (211), and the outer fan (31) is reversed.
2. The intelligent substation auxiliary system comprehensive monitoring device according to claim 1, wherein: the flow guiding device is characterized in that the flow guiding device (3) further comprises a circulating fan (32), a circulating air channel (14) is arranged on the shell (1), an air inlet of the circulating fan (32) is communicated with an electric appliance layer (42) through a pipeline, an air outlet of the circulating fan (32) is communicated with the circulating air channel (14) through a pipeline, an air outlet channel (13) is arranged on one side of the detection cavity (12), and outlets of the detection cavity (12) and the circulating air channel (14) are respectively communicated with the air outlet channel (13), and the air outlet channel (13) is communicated with the electric appliance layer (42) through a pipeline.
3. The intelligent substation auxiliary system comprehensive monitoring device according to claim 2, wherein: the flow guiding device is characterized in that the flow guiding device (3) further comprises an adjusting component (33), a flow distributing cavity (15) is arranged on the shell (1), the flow distributing cavity (15) is located at the inlet position of the air outlet channel (13), the detecting cavity (12) and the circulating air channel (14) are intermittently communicated through the flow distributing cavity (15) and the air outlet channel (13), the adjusting component (33) is arranged in the flow distributing cavity (15), the adjusting component (33) comprises a flow distributing seat (331) and an electromagnet (332), the electromagnet (332) and the flow distributing cavity (15) are tightly connected close to one side wall surface of the circulating air channel (14), the flow distributing seat (331) is rotationally connected with the flow distributing cavity (15), and the flow distributing seat (331) is made of a magnet material;
initial state: the diversion seat (331) deflects towards one side of the detection cavity (12), and the outlet of the detection cavity (12) is in a cut-off state;
when the power is on: the opposite ends of the shunt seat (331) and the electromagnet (332) are different-name magnetic poles.
4. An intelligent substation auxiliary system integrated monitoring apparatus according to claim 3, wherein: the adjusting assembly (33) further comprises a scroll spring (333), one end of the scroll spring (333) is fixedly connected with the diversion cavity (15), and the other end of the scroll spring is fixedly connected with the rotation axis of the diversion seat (331).
5. The intelligent substation auxiliary system comprehensive monitoring device according to claim 4, wherein: the detection block (211), the conducting strip (212) and the detection power supply form a detection circuit, and the electromagnet (332) is electrically connected with the detection circuit.
6. The intelligent substation auxiliary system comprehensive monitoring device according to claim 5, wherein: the flow guiding device (3) further comprises a refrigerating pipe (34), and the circulating fan (32) is communicated with the circulating air duct (14) through the refrigerating pipe (34).
7. The intelligent substation auxiliary system comprehensive monitoring device according to claim 6, wherein: one end of the air inlet channel (11) close to the detection cavity (12) faces to the upper side of the detection block (211).
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