CN109672110B - Remote intelligent power transmission equipment - Google Patents
Remote intelligent power transmission equipment Download PDFInfo
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- CN109672110B CN109672110B CN201910061477.3A CN201910061477A CN109672110B CN 109672110 B CN109672110 B CN 109672110B CN 201910061477 A CN201910061477 A CN 201910061477A CN 109672110 B CN109672110 B CN 109672110B
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- cabinet
- power transmission
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- switch
- elastic strand
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/045—Details of casing, e.g. gas tightness
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/055—Features relating to the gas
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/065—Means for detecting or reacting to mechanical or electrical defects
- H02B13/0655—Means for detecting or reacting to mechanical or electrical defects through monitoring changes of gas properties
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention provides remote intelligent power transmission equipment, when a main cabinet is damaged, second stable gas in a gas chamber gradually leaks into the main cabinet, the gas pressure in the main cabinet rises, the gas pressure in the gas chamber gradually falls, under the action of the elastic force of a first elastic strand membrane, a first pulling end of a first insulating rope pulls an elastic swinging electric contact piece, a circuit is disconnected, a controller transmits a signal to a remote control computer of a remote control center, and a worker can overhaul a power transmission equipment cabinet and the like on site; when the protection cabinet damaged, the second stable gas in the air chamber outwards leaked gradually, and atmospheric pressure in the air chamber descends gradually, and under the elastic action of first elasticity thigh membrane, the first pulling end pulling elasticity swing electric contact piece of first insulation rope, the circuit disconnection, the remote control computer at remote control center is given with signal transmission to the controller, and the staff can go the scene and overhaul transmission of electricity equipment cabinet etc.. The electric component device can be ensured to work under the protection of the protection cabinet, and the stability and the safety are higher.
Description
Technical Field
The invention relates to the field of long-distance power transmission equipment, in particular to long-distance intelligent power transmission equipment.
Background
With the development of society and the improvement of the whole living standard of China, more and more areas, especially remote areas, are supplied with power, and the development of remote power transmission equipment is not separated. Transformers and remote monitoring equipment in remote transmission equipment are very important.
The mechanism of transformer has been known, like chinese utility model patent CN201721294816.5 discloses a natural ester insulating oil distribution transformer, including oil tank, iron core, high-voltage coil, low-voltage coil, high-tension bushing, low-voltage bushing, oil level gaugember and tap changer, the oil tank be the ellipsoid shape, high-voltage coil and low-voltage coil closely twine respectively on the iron core, the iron core soaks in the natural ester insulating oil in the oil tank, install high-voltage bushing and low-voltage bushing on the oil tank top surface, high-voltage bushing and low-voltage bushing are connected with high-voltage coil and low-voltage coil respectively, in the oil level gaugember was installed and extended to natural ester insulating oil to one side at oil tank top, tap changer set up the oil tank top in the middle of high-voltage bushing and low-voltage bushing, the opposite side at oil tank top was provided with the oiling valve. The oil tank wall of the oil tank is arranged to be of a corrugated wall structure, and the corrugated wall structure is used for increasing the elasticity of the oil tank wall. The two sides corresponding to the long axis of the ellipsoidal oil tank are respectively provided with a radiator which is composed of a plurality of rectangular radiating fins arranged at equal intervals. Round bulges or spiral fins are uniformly embedded on the radiating fins. The outer surface of the oil tank is coated with a carbon nano modification-based resin-based heat dissipation coating, and the thickness of the heat dissipation coating is 40-50 mu m. The outer surface of the radiating fin is coated with a carbon nano modification-based resin-based radiating coating, and the thickness of the radiating coating is 40-50 microns. One side of oil tank is provided with the hydrologic cycle radiator, and the hydrologic cycle radiator is including advancing oil pipe, defeated oil pipe, play oil pipe, storage water tank and hydrologic cycle mechanism, advances oil pipe and goes out oil pipe and is connected with oiling valve and fuel outlet valve respectively, advances to be provided with the oil pump on the oil pipe, and the storage water tank suit is on defeated oil pipe, and the water inlet setting of hydrologic cycle mechanism is in the storage water tank bottom, and the delivery port setting is at the storage water tank. The oil delivery pipe in the water circulation radiator is arranged in a spiral or double spiral shape. The oil outlet pipe is provided with a moisture absorber.
In the actual working process, the invention is similar to most transformers in the market, the whole power transmission equipment does not have effective remote monitoring function and effect, the controllability and timeliness of a power transmission circuit are insufficient, for example, under the conditions of rainstorm or fire and the like, a power component device can be damaged, and under the condition of not powering off in time, more serious fire, electric shock and the like are caused, so the personal and property safety of the masses is seriously endangered.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
Disclosure of Invention
The invention aims to provide remote intelligent power transmission equipment which can carry out remote intelligent monitoring and control on a transformer and a control circuit thereof and ensure the stable and safe operation of a power transmission circuit.
In order to achieve the purpose, the invention adopts the following technical scheme:
a remote intelligent power transmission device comprises a power transmission device cabinet and a electric component device arranged in the power transmission device cabinet; the monitoring device is used for monitoring the electric component device; the power transmission equipment cabinet comprises a main cabinet for containing the electric component device and a protective cabinet covering the main cabinet; the main cabinet and the protection cabinet are sealed box bodies; an air chamber is formed between the main cabinet and the protection cabinet, and gaps are formed between corresponding side walls of the main cabinet and the protection cabinet; the main cabinet is filled with a first stable gas, the gas chamber is filled with a second stable gas with the gas pressure larger than the gas pressure of the first stable gas and the external atmospheric pressure, and the first stable gas and the second stable gas are both nitrogen or carbon dioxide gas; the main cabinet is provided with a first inflating nozzle and a first exhaust nozzle, and the protection cabinet is provided with a second inflating nozzle and a second exhaust nozzle; the monitoring device comprises an air pressure detector, a temperature detector, a circuit on-off detector, a controller and a remote control computer, wherein the air pressure detector and the temperature detector are arranged in the air chamber, the circuit on-off detector is arranged in the main cabinet, the controller is arranged outside the power transmission equipment cabinet, and the remote control computer is used for remotely controlling the controller; the electric component device comprises a first high-voltage isolating switch connected with an input electric wire, a second high-voltage isolating switch connected with an output electric wire, a main switch device connected with the second high-voltage isolating switch, a circuit breaker connected with the first high-voltage isolating switch, and an auxiliary switch device connected between the main switch device and the circuit breaker; the auxiliary switching device is controlled by the controller; the first high-voltage isolating switch, the circuit breaker, the auxiliary switch device, the main switch device and the second high-voltage isolating switch are connected in sequence through wires;
the main switch device comprises a switch component and a switch driving device for driving the switch component to be switched; the switch component comprises a fixed electric contact sheet electrically connected with the circuit breaker and an elastic swinging electric contact sheet electrically connected with the second high-voltage isolating switch and electrically contacted with the fixed electric contact sheet; the elastic swinging electric contact piece is positioned between the fixed electric contact piece and the switch driving device;
the main cabinet comprises a first mounting plate for mounting the switch driving device, and the protection cabinet comprises a second mounting plate corresponding to the first mounting plate; the switch driving device comprises a first insulating rope for pulling the elastic swinging electric contact sheet to swing and separate from the fixed electric contact sheet, a first elastic strand film arranged on the first mounting plate and pulling the first insulating rope to move towards the direction of the first mounting plate, a second insulating rope arranged in the air chamber and pulling the first elastic strand film, a second elastic strand film arranged on the second mounting plate and pulling the second insulating rope to move towards the direction of the second mounting plate, and a manual driving part arranged outside the protection cabinet and used for driving the second elastic strand film to bulge towards the outside of the protection cabinet; the first mounting panel is formed with the installation the first through-hole of first elasticity thigh membrane, the second mounting panel is formed with the installation the second through-hole of second elasticity thigh membrane.
The pressure of the first stabilizing gas is not higher than the ambient atmospheric pressure.
The diameter of the first elastic strand film is greater than the diameter of the second elastic strand film.
The first insulating rope is provided with a first pulling end facing the elastic swinging electric contact sheet and a first connecting end facing the center of the first elastic strand film and connected with the first elastic strand film; a first connecting top plate connected with the first connecting end is arranged in the center of the first elastic strand film; the second insulating rope is provided with a second pulling end facing the first connecting top plate and a second connecting end extending out of the sealing sliding hole and connected with the manual driving part; and a second connecting top plate connected with the second connecting end is arranged at the center of the second elastic strand film.
The manual driving part comprises a third insulating rope for pulling the second elastic strand film outwards, a winding wheel for winding the third insulating rope, and a handle for pulling the winding wheel to rotate; the third insulating rope is provided with a third pulling end connected with the second connecting top plate and a third connecting end connected with the winding wheel.
The inner side of the main cabinet is provided with a baffle plate which is blocked at the corresponding side of the first elastic strand membrane, the baffle plate is connected with the edge of the first through hole, a first sliding through hole which corresponds to the first connecting top plate and is used for the second insulating rope to slide through is formed in the baffle plate, the diameter of the first sliding through hole is smaller than that of the first connecting top plate, and a first gap is formed between the inner wall of the first sliding through hole and the peripheral surface of the second insulating rope; the outside of protection cabinet is equipped with the cover and establishes the protection casing in the second elasticity thigh membrane outside, the protection casing with the edge connection of second through-hole, the protection casing be formed with the roof is connected to the second corresponding and confession the second slip through-hole that the third insulating rope slided and passes, the diameter of second slip through-hole is less than the diameter that the roof was connected to the second, just the inner wall of second slip through-hole with be formed with the second clearance between the global of third insulating rope.
The protection cabinet also comprises an outer cabinet which covers the manual driving part and the controller, and the outer cabinet is also provided with an outer door; the handle is magnetic metal and is provided with a first magnetic limit stop above the winding wheel and a second magnetic limit stop below the winding wheel.
After the technical scheme is adopted, the long-distance intelligent power transmission equipment breaks through the structural form of the traditional long-distance power transmission equipment, and in the actual working process, under the action of the elastic force of the first elastic strand film in the initial state of the power transmission equipment, the first pulling end of the first insulating rope pulls the elastic swinging electric contact sheet, so that the elastic swinging electric contact sheet is separated from the fixed electric contact sheet, and the circuit is disconnected. Filling nitrogen or carbon dioxide gas into the main cabinet by using the inflating device through the first inflating nozzle, discharging impurity gases such as air, water vapor and the like through the first exhaust nozzle, and then closing the first exhaust nozzle to enable the main cabinet to be filled with first stable gas, wherein the pressure of the first stable gas can be specifically not higher than the external atmospheric pressure; then, an air charging device is utilized to charge nitrogen or carbon dioxide gas into the air chamber through a second charging nozzle, impurity gases such as air, water vapor and the like are discharged from a second exhaust nozzle, then the second exhaust nozzle is closed, a part of second stable gas is charged into the air chamber, the pressure of the second stable gas is higher than the pressure of the first stable gas and the pressure of the outside atmosphere, relative high pressure is formed in the air chamber, the first elastic strand membrane bulges towards the inside of the main cabinet, the first insulating rope is loosened, the second air bag bulges towards the outside of the protection cabinet, the second insulating rope is tensioned, and the elastic swinging electric contact piece is in contact conduction with the fixed electric contact piece under the elastic action of the elastic swinging electric contact piece. The nitrogen or carbon dioxide in the main cabinet is stable gas, and can protect each electric part device, prevent oxidation and electric spark, prolong the service life and avoid accidents such as fire and the like; and the nitrogen or carbon dioxide gas in the gas chamber can be mixed with the nitrogen or carbon dioxide gas in the main cabinet under the condition that the main cabinet leaks, and is still stable gas. The air pressure detector detects the air pressure in the air chamber and transmits a pressure signal to the controller, the controller transmits the signal to a remote control computer of a remote control center through a wireless signal transmitting and receiving device, the remote control computer is provided with a corresponding wireless signal transmitting and receiving device, when the air pressure is higher than a set value, the temperature of the environment possibly is too high, or a main cabinet or a protective cabinet is damaged, a worker can judge according to the actual condition, if the temperature of the temperature detector is too high, whether a fire disaster happens or not can be judged, if the fire disaster condition is discharged, the main cabinet or the protective cabinet is probably damaged, and at the moment, the worker can go to the site to overhaul a power transmission equipment cabinet and the like; when the main cabinet is damaged and a worker does not arrive at the site, due to the relatively high pressure in the air chamber, the second stable gas in the air chamber gradually leaks into the main cabinet, the air pressure in the main cabinet rises, the air pressure in the air chamber gradually falls until the air pressures in the main cabinet and the air chamber are equal, in the process, under the elastic action of the first elastic strand membrane, the first pulling end of the first insulating rope pulls the elastic swinging electric contact sheet to separate the elastic swinging electric contact sheet from the fixed electric contact sheet, and the circuit is disconnected, at the moment, the circuit on-off detector (specifically, an ammeter) transmits a circuit on-off signal to the controller, and transmits the signal to a remote control computer of a remote control center through a wireless signal transmitting and receiving device, the worker can overhaul a power transmission equipment cabinet and the like on the site, but all electric component devices are still protected in the stable gas at the moment; when the protection cabinet is damaged and a worker does not arrive at the site, due to the relatively high pressure in the air chamber, the second stable gas in the air chamber gradually leaks outwards, the air pressure in the air chamber gradually drops until the air pressures in the main cabinet and the air chamber are equal, in the process, under the action of the elastic force of the first elastic strand membrane, the first pulling end of the first insulation rope pulls the elastic swinging electric contact piece to separate the elastic swinging electric contact piece from the fixed electric contact piece, the circuit is disconnected, the circuit on-off detector transmits a circuit on-off signal to the controller, the signal is transmitted to a remote control computer of a remote control center through the wireless signal transmitting and receiving device, and the worker can go to the site to overhaul a power transmission equipment cabinet and the like. Such intelligent monitoring can ensure that the electric part device works under the protection of the protection cabinet, the stability and the safety are higher, the damage to the electric part device caused by rainwater, flood or water mist and the like entering the power transmission equipment cabinet is completely avoided, and meanwhile, the conditions of more serious fire, electric shock and the like caused under the condition of not powering off in time are avoided. The temperature detector detects the temperature in the power transmission equipment cabinet and transmits a temperature signal to the controller, the controller transmits the signal to a remote control computer of a remote control center through a wireless signal transmitting and receiving device, the remote control computer is provided with a corresponding wireless signal transmitting and receiving device, when the temperature reaches a set high point value, damage to each electric part device can be caused, and the controller controls a secondary switch device (specifically, a remote switch) to cut off a circuit; the control center staff can send control instructions to the controller through the remote control computer according to actual conditions, but under normal conditions, the control center staff is only independently controlled by the controller. It is emphasized that the monitoring device is provided with an independent power supply circuit outside the main circuit, the independent power supply circuit comprises a charging power supply, and the charging power supply can be charged by the main circuit, so that the monitoring device can work independently and stably, and a control center can effectively monitor the high-voltage switch cabinet in real time. Certainly, the worker can manually operate the manual driving part according to actual complex conditions to drive the second insulating rope to pull the first elastic strand film, and under the driving of the first elastic strand film, the first pulling end of the first insulating rope pulls the elastic swinging electric contact sheet to separate the elastic swinging electric contact sheet from the fixed electric contact sheet, so that the circuit is disconnected; on the contrary, when the worker reversely operates the manual driving part, the circuit can be closed. Compared with the prior art, the remote intelligent power transmission equipment can carry out remote intelligent monitoring and control on the transformer and the control circuit thereof, and ensures that the power transmission circuit works stably and safely.
Drawings
Fig. 1 is a partial sectional structural view of the present invention.
In the figure:
11-main cabinet 111-first inflating nozzle 112-first exhaust nozzle 113-first mounting plate 114-baffle 12-protective cabinet 121-second inflating nozzle 122-second inflating nozzle 123-second mounting plate 124-protective cover 13-air chamber 14-first sealing door 141-first sealing gasket 15-second sealing door 151-second sealing gasket 16-supporting rod 17-outer cabinet
21-first high voltage isolator 22-second high voltage isolator
231-switch part 2311-fixed electric contact piece 2312-elastic swinging electric contact piece
2321-first insulating string 2322-first elastic strand membrane 23221-first connecting top plate 2323-second insulating string 2324-second elastic strand membrane 23241-second connecting top plate 23251-third insulating string 23252-winding wheel 23253-handle 232531-first magnetic bump stop 232532-second magnetic bump stop 232532
24-circuit breaker 25-auxiliary switching device
31-air pressure detector 32-temperature detector 33-controller.
Detailed Description
In order to further explain the technical solution of the present invention, the following detailed description is given by way of specific examples.
The invention discloses remote intelligent power transmission equipment, which comprises a power transmission equipment cabinet and an electric component device arranged in the power transmission equipment cabinet, wherein the power transmission equipment cabinet is provided with a power transmission equipment base; the monitoring device is used for monitoring the electric component device; the power transmission equipment cabinet comprises a main cabinet 11 for containing electric component devices and a protective cabinet 12 coated outside the main cabinet 11; the main cabinet 11 and the protection cabinet 12 are sealed box bodies; an air chamber 13 is formed between the main cabinet 11 and the protection cabinet 12, and gaps are formed between corresponding side walls of the main cabinet 11 and the protection cabinet 12; the main cabinet 11 is filled with a first stable gas, the gas chamber 13 is filled with a second stable gas with the gas pressure larger than the gas pressure of the first stable gas and the external atmospheric pressure, and the first stable gas and the second stable gas are both nitrogen or carbon dioxide gas; the main cabinet 11 is provided with a first inflating nozzle 111 and a first exhaust nozzle 112, and the protection cabinet 12 is provided with a second inflating nozzle 122121 and a second exhaust nozzle; the monitoring device comprises an air pressure detector 31, a temperature detector 32, a circuit on-off detector, a controller 33 and a remote control computer, wherein the air pressure detector 31 and the temperature detector 32 are arranged in the air chamber 13, the circuit on-off detector is arranged in the main cabinet 11, the controller 33 is arranged outside the power transmission equipment cabinet, and the remote control computer is used for remotely controlling the controller 33; the electric component device includes a first high-voltage disconnecting switch 21 connected with the input electric wire, a second high-voltage disconnecting switch 22 connected with the output electric wire, a main switching device connected with the second high-voltage disconnecting switch 22, a circuit breaker 24 connected with the first high-voltage disconnecting switch 21, and a sub-switching device 25 connected between the main switching device and the circuit breaker 24; the sub switching device 25 is controlled by the controller 33; the first high-voltage isolating switch 21, the circuit breaker 24, the auxiliary switch device 25, the main switch device and the second high-voltage isolating switch 22 are connected in sequence through conducting wires;
the main switching device includes a switching part 231, and a switching driving device for driving the switching part 231 to be opened and closed; the switch part 231 includes a fixed electrical contact strip 2311 electrically connected with the circuit breaker 24, and an elastic swinging electrical contact strip 2312 electrically connected with the second high voltage isolator and electrically contacted with the fixed electrical contact strip 2311; an elastic swinging electric contact piece 2312 is positioned between the fixed electric contact piece 2311 and the switch driving device;
the main cabinet 11 comprises a first mounting plate 113 for mounting the switch driving device, and the protection cabinet 12 comprises a second mounting plate 123 corresponding to the first mounting plate 113; the switch driving device comprises a first insulation rope 2321 which pulls the elastic swinging electric contact piece 2312 to swing and separate from the fixed electric contact piece 2311, a first elastic strand membrane 2322 which is arranged on the first mounting plate 113 and pulls the first insulation rope 2321 to move towards the direction of the first mounting plate 113, a second insulation rope 2323 which is arranged in the air chamber 13 and pulls the first elastic strand membrane 2322, a second elastic strand membrane 2324 which is arranged on the second mounting plate 123 and pulls the second insulation rope 2323 to move towards the direction of the second mounting plate 123, and a manual driving component which is arranged outside the protection cabinet 12 and drives the second elastic strand membrane 2324 to bulge towards the outside of the protection cabinet 12; the first mounting plate 113 is formed with a first through-hole to which the first elastic strand film 2322 is mounted, and the second mounting plate 123 is formed with a second through-hole to which the second elastic strand film 2324 is mounted. In the actual operation process of the invention, in the initial state of the power transmission equipment, under the action of the elastic force of the first elastic strand film 2322, the first pulling end of the first insulating rope 2321 pulls the elastic swinging electric contact piece 2312, so that the elastic swinging electric contact piece 2312 is separated from the fixed electric contact piece 2311, and the circuit is disconnected. Filling nitrogen or carbon dioxide gas into the main cabinet 11 through the first charging nozzle 111 by using the charging device, discharging impurity gases such as air, water vapor and the like through the first exhaust nozzle 112, and then closing the first exhaust nozzle 112 to make the main cabinet 11 filled with first stable gas, wherein the pressure of the first stable gas can be specifically not higher than the external atmospheric pressure; then, the air chamber 13 is filled with nitrogen or carbon dioxide gas through the second charging nozzle 122121 by using the charging device, impurity gases such as air, water vapor and the like are discharged from the second exhaust nozzle, then the second exhaust nozzle is closed, a part of second stable gas is charged into the air chamber 13, the pressure of the second stable gas is higher than the pressure of the first stable gas and the pressure of the outside atmosphere, so that a relative high pressure is formed in the air chamber 13, the first elastic strand film 2322 bulges towards the inside of the main cabinet 11, the first insulating rope 2321 is loosened, the second air bag bulges towards the outside of the protection cabinet 12, the second insulating rope 2323 is tensioned, and the elastic swinging electric contact piece 2312 is in contact conduction with the fixed electric contact piece 2311 under the self elastic action. The nitrogen or carbon dioxide in the main cabinet 11 is stable gas, and can protect each electric part device, prevent oxidation and electric spark, prolong the service life and avoid accidents such as fire and the like; and the nitrogen or carbon dioxide gas in the gas chamber 13 can be mixed with the nitrogen or carbon dioxide gas in the main cabinet 11 in case of leakage of the main cabinet 11 and still be stable gas. The air pressure detector 31 detects the air pressure in the air chamber 13 and transmits a pressure signal to the controller 33, the controller 33 transmits the signal to a remote control computer of a remote control center through a wireless signal transmitting and receiving device, the remote control computer is provided with a corresponding wireless signal transmitting and receiving device, when the air pressure is higher than a set value, the ambient temperature is too high, or the main cabinet 11 or the protection cabinet 12 is damaged, a worker can judge according to the actual situation, if the temperature of the temperature detector 32 is too high, whether a fire disaster occurs can be judged, if the fire disaster situation is discharged, the main cabinet 11 or the protection cabinet 12 is damaged, and at the moment, the worker can examine and repair the power transmission equipment cabinet and the like on site; when the main cabinet 11 is damaged and the working personnel does not arrive at the site, the second stable gas in the air chamber 13 gradually leaks into the main cabinet 11 due to the relatively high pressure in the air chamber 13, the air pressure in the main cabinet 11 rises, the air pressure in the air chamber 13 gradually falls until the air pressures in the main cabinet 11 and the air chamber 13 are equal, in this process, under the elastic force of the first elastic strand film 2322, the first pulling end of the first insulating string 2321 pulls the elastic oscillating electrical contact 2312, so that the elastic oscillating electrical contact 2312 is separated from the fixed electrical contact 2311, the circuit is disconnected, and at this time, the on-off circuit detector (specifically, an ammeter) transmits an on-off circuit signal to the controller 33, the wireless signal transmitting and receiving device transmits signals to a remote control computer of a remote control center, so that a worker can go to the site to overhaul a power transmission equipment cabinet and the like, and all electric part devices are still protected in stable gas at the moment; when the protection cabinet 12 is damaged and a worker does not arrive at the site, due to the relatively high pressure in the air chamber 13, the second stable gas in the air chamber 13 gradually leaks outwards, the air pressure in the air chamber 13 gradually decreases until the air pressures in the main cabinet 11 and the air chamber 13 are equal, in the process, under the action of the elastic force of the first elastic strand membrane 2322, the first pulling end of the first insulation rope 2321 pulls the elastic swinging electrical contact piece 2312 to separate the elastic swinging electrical contact piece 2312 from the fixed electrical contact piece 2311, the circuit is disconnected, at the moment, the circuit on-off detector transmits a circuit on-off signal to the controller 33, and transmits the signal to a remote control computer of a remote control center through the wireless signal transmitting and receiving device, and the worker can go to the site to overhaul a power transmission equipment cabinet and the like. Such intelligent monitoring can ensure that the electric component device works under the protection of the protection cabinet 12, has higher stability and safety, completely avoids rainwater, flood or water mist and the like from entering the power transmission equipment cabinet to damage the electric component device, and simultaneously avoids causing more serious fire, electric shock and other conditions under the condition of not powering off in time. The temperature detector 32 detects the temperature in the power transmission equipment cabinet and transmits a temperature signal to the controller 33, the controller 33 transmits the signal to a remote control computer of a remote control center through a wireless signal transmitting and receiving device, the remote control computer is provided with a corresponding wireless signal transmitting and receiving device, when the temperature reaches a set high point value, damage to each electric component device can be caused, and the controller 33 controls the auxiliary switch device 25 (specifically, a remote switch) to cut off the circuit; the control center staff can send control instructions to the controller 33 through the remote control computer according to actual conditions, but under normal conditions, the control center staff is only independently controlled by the controller 33. It is emphasized that the monitoring device is provided with an independent power supply circuit outside the main circuit, the independent power supply circuit comprises a charging power supply, and the charging power supply can be charged by the main circuit, so that the monitoring device can work independently and stably, and a control center can effectively monitor the high-voltage switch cabinet in real time. Of course, the worker can manually operate the manual driving component according to actual complex conditions to drive the second insulating rope 2323 to pull the first elastic strand film 2322, and under the driving of the first elastic strand film 2322, the first pulling end of the first insulating rope 2321 pulls the elastic oscillating electrical contact strip 2312, so that the elastic oscillating electrical contact strip 2312 is separated from the fixed electrical contact strip 2311, and the circuit is disconnected; on the contrary, when the worker reversely operates the manual driving part, the circuit can be closed. And the first insulating string 2321 is more securely contacted with the elastic swinging electric contact 2312.
Preferably, the pressure of the first stabilizing gas is not higher than the ambient atmospheric pressure. In the actual working process, the pressure of the second stable gas on the first elastic strand membrane 2322 can be ensured to be larger than the pressure of the second stable gas on the second elastic strand membrane 2324, so that the first insulating rope 2321 can be ensured to be loosened without pulling the elastic swinging electric contact piece 2312, and the closing stability of the circuit can be ensured.
Preferably, the diameter of the first elastic strand film 2322 is greater than the diameter of the second elastic strand film 2324. In the actual working process, the pressure of the second stable gas on the first elastic strand film 2322 can be further ensured to be larger than the pressure of the second stable gas on the second elastic strand film 2324, so that the first insulating rope 2321 can be ensured to be loosened without pulling the elastic swinging electric contact piece 2312, and the closing stability of the circuit is ensured.
Preferably, the first insulating string 2321 has a first pulling end facing the elastic swinging electrical contact sheet 2312, and a first connection end facing the center of the first elastic strand film 2322 and connected with the first elastic strand film 2322; a first connection top plate 23221 connected with the first connection end is arranged at the center of the first elastic strand film 2322; the second insulating string 2323 has a second pulling end facing the first connection top plate 23221, and a second connection end protruding out of the sealing sliding hole and connected to the manual driving part; the second elastic strand film 2324 is provided at the center thereof with a second connection top plate 23241 connected to the second connection end. In the actual working process of the present invention, the first elastic strand film 2322 pulls the first insulating string 2321 by using the first connection top plate 23221, the second insulating string 2323 pulls the first elastic strand film 2322 by using the first connection top plate 23221, and the second elastic strand film 2324 pulls the second insulating string 2323 by using the second connection top plate 23241, so that the force transmission is more stable and the movement is smoother.
Preferably, the manual driving part includes a third insulating string 23251 pulling the second elastic strand 2324 outward, a winding wheel 23252 winding the third insulating string 23251, and a handle 23253 pulling the winding wheel 23252 to rotate; the third insulating string 23251 has a third pulling end connected to the second connecting top plate 23241 and a third connecting end connected to the winding wheel 23252. In the actual working process, when a worker cuts off the current manually, the worker pulls the handle 23253 to rotate the winding wheel 23252 in the corresponding clockwise direction, the third insulating rope 23251 is wound on the winding wheel 23252 gradually, the third insulating rope 23251 is used for pulling the second elastic strand film 2324, the second elastic strand film 2324 pulls the second insulating rope 2323, the second insulating rope 2323 pulls the first elastic strand film 2322, the first elastic strand film 2322 pulls the first insulating rope 2321, the first insulating rope 2321 pulls the elastic swinging electrical contact 2312, so that the elastic swinging electrical contact 2312 is separated from the fixed electrical contact 2311, and the circuit is disconnected; on the contrary, when the worker reversely pulls the handle 23253 to rotate the winding wheel 23252, the third insulating string 23251 is loosened, the first elastic strand 2322 bulges into the main cabinet 11 under the pressure of the second stable gas, the first insulating string 2321 is loosened, and the elastic swinging electrical contact 2312 is in contact with and conducted with the fixed electrical contact 2311 under the self-elastic action.
Preferably, the inner side of the main cabinet 11 is provided with a baffle 114 blocking the corresponding side of the first elastic strand membrane 2322, the baffle 114 is connected to the edge of the first through hole, the baffle 114 is formed with a first sliding through hole corresponding to the first connection top plate 23221 and allowing the second insulating string 2323 to slide through, the diameter of the first sliding through hole is smaller than that of the first connection top plate 23221, and this structure can ensure that the first connection top plate 23221 cannot enter the first sliding through hole, so that the first sliding through hole limits and blocks the first connection top plate 23221; a first gap is formed between the inner wall of the first sliding through hole and the circumferential surface of the second insulating rope 2323, and the first gap is favorable for the movement of the second insulating rope 2323; the outer side of the protection cabinet 12 is provided with a protection cover 124 covering the outer side of the second elastic strand membrane 2324, the protection cover 124 is connected with the edge of the second through hole, a second sliding through hole corresponding to the second connection top plate 23241 and allowing the third insulating rope 23251 to slide through is formed in the protection cover 124, the diameter of the second sliding through hole is smaller than that of the second connection top plate 23241, and the structure can ensure that the second connection top plate 23241 cannot enter the second sliding through hole, so that the second sliding through hole limits and abuts against the second connection top plate 23241; and a second gap is formed between the inner wall of the second sliding through hole and the circumferential surface of the third insulating string 23251, and the second gap facilitates the movement of the third insulating string 23251.
Preferably, the protection cabinet 12 further comprises an outer cabinet 17 covering the manual driving part and the controller 33, and the outer cabinet 17 is further provided with an outer door; the handle 23253 is made of magnetic metal, and the handle 23253 is provided with a first magnetic limit stop 232531 located above the winding wheel 23252 and a second magnetic limit stop 232532 located below the winding wheel 23252. In the actual working process of the invention, the outer cabinet 17 can protect the manual driving part, and the staff can operate and maintain the manual driving part and the controller 33 through the outer door. The specific structure may be that the first magnetic limit stopper 232531 and the second magnetic limit stopper 232532 are both disposed on the side wall of the outer cabinet 17.
Preferably, the first mounting plate 113 is formed with a first operation port provided with the first sealing door 14; the second mounting plate 123 is formed with a second operation port corresponding to the first operation port, and the second operation port is provided with a second seal door 15; the first sealing door 14 is arranged at the outer side of the operation opening and is connected with the edge of the first operation opening through a hinge to realize inward opening; the second sealing door 15 is arranged at the outer side of the second operation opening and is connected with the edge of the second operation opening through a hinge to realize outward opening; the first sealing door 14 has a first sealing edge in sealing contact with the edge of the first operation opening, the first sealing edge being provided with a first gasket 141; the second sealing door 15 has a second sealing edge in sealing contact with the edge of the second operation opening, and the second sealing edge is provided with a second gasket 151. In the actual working process of the present invention, the first sealing door 14 can receive the pressure of the second stable gas to the main cabinet 11, so that the edge of the first sealing door 14 and the edge of the first operation opening are tightly sealed by the first sealing gasket 141, and the sealing effect is ensured. The second sealing door 15 is provided to facilitate opening. The worker can open and close the first sealing door 14 and the second sealing door 15 through the door handles, and can disassemble and maintain the internal electric component device, the monitoring device and the like through the first operation opening and the second operation opening.
Preferably, a support bar 16 is provided between each corresponding side wall of the main cabinet 11 and the protective cabinet 12. The support rods 16 maintain the structure of the air cells 13 and enhance overall structural stability.
Preferably, the first insulating string 2321, the second insulating string 2323 and the first connection top plate 23221 are made of insulating material, such as synthetic fiber like nylon. In the actual working process of the invention, the high voltage of the main line where the first stable gas is located cannot be transmitted to the outer cabinet 17 through the first insulating rope 2321, the second insulating rope 2323, the third insulating rope 23251, the first connecting top plate 23221 and the second connecting top plate 23241, so that the high voltage is completely isolated from workers and people, and the safety is ensured.
Preferably, the first inflating nozzle 111 is disposed on the upper side wall of the main cabinet 11 and near the first sealing door 14, so as to facilitate inflation by the first inflating nozzle 111 after the first sealing door 14 and the second sealing door 15 are opened, and the first exhaust nozzle 112 is disposed at the lower end of the first mounting plate 113; a second air inlet 122121 is provided on the upper side wall of the enclosure 12 and a second air outlet is provided at the lower end of the second mounting plate 123. Preferably, the first inflation nozzle 111, the first exhaust nozzle 112, the second inflation nozzle 122121 and the second exhaust nozzle are provided with one-way valves.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.
Claims (7)
1. A remote intelligent power transmission device comprises a power transmission device cabinet and a electric component device arranged in the power transmission device cabinet; the method is characterized in that: the monitoring device is used for monitoring the electric component device; the power transmission equipment cabinet comprises a main cabinet for containing the electric component device and a protective cabinet covering the main cabinet; the main cabinet and the protection cabinet are sealed box bodies; an air chamber is formed between the main cabinet and the protection cabinet, and gaps are formed between corresponding side walls of the main cabinet and the protection cabinet; the main cabinet is filled with a first stable gas, the gas chamber is filled with a second stable gas with the gas pressure larger than the gas pressure of the first stable gas and the external atmospheric pressure, and the first stable gas and the second stable gas are both nitrogen or carbon dioxide gas; the main cabinet is provided with a first inflating nozzle and a first exhaust nozzle, and the protection cabinet is provided with a second inflating nozzle and a second exhaust nozzle; the monitoring device comprises an air pressure detector, a temperature detector, a circuit on-off detector, a controller and a remote control computer, wherein the air pressure detector and the temperature detector are arranged in the air chamber, the circuit on-off detector is arranged in the main cabinet, the controller is arranged outside the power transmission equipment cabinet, and the remote control computer is used for remotely controlling the controller; the electric component device comprises a first high-voltage isolating switch connected with an input electric wire, a second high-voltage isolating switch connected with an output electric wire, a main switch device connected with the second high-voltage isolating switch, a circuit breaker connected with the first high-voltage isolating switch, and an auxiliary switch device connected between the main switch device and the circuit breaker; the auxiliary switching device is controlled by the controller; the first high-voltage isolating switch, the circuit breaker, the auxiliary switch device, the main switch device and the second high-voltage isolating switch are connected in sequence through wires;
the main switch device comprises a switch component and a switch driving device for driving the switch component to be switched; the switch component comprises a fixed electric contact sheet electrically connected with the circuit breaker and an elastic swinging electric contact sheet electrically connected with the second high-voltage isolating switch and electrically contacted with the fixed electric contact sheet; the elastic swinging electric contact piece is positioned between the fixed electric contact piece and the switch driving device;
the main cabinet comprises a first mounting plate for mounting the switch driving device, and the protection cabinet comprises a second mounting plate corresponding to the first mounting plate; the switch driving device comprises a first insulating rope for pulling the elastic swinging electric contact sheet to swing and separate from the fixed electric contact sheet, a first elastic strand film arranged on the first mounting plate and pulling the first insulating rope to move towards the direction of the first mounting plate, a second insulating rope arranged in the air chamber and pulling the first elastic strand film, a second elastic strand film arranged on the second mounting plate and pulling the second insulating rope to move towards the direction of the second mounting plate, and a manual driving part arranged outside the protection cabinet and used for driving the second elastic strand film to bulge towards the outside of the protection cabinet; the first mounting panel is formed with the installation the first through-hole of first elasticity thigh membrane, the second mounting panel is formed with the installation the second through-hole of second elasticity thigh membrane.
2. A long-range intelligent power transmission apparatus according to claim 1, characterized in that: the pressure of the first stabilizing gas is not higher than the ambient atmospheric pressure.
3. A long-range intelligent power transmission apparatus according to claim 2, wherein: the diameter of the first elastic strand film is greater than the diameter of the second elastic strand film.
4. A long-range intelligent power transmission apparatus according to claim 3, wherein: the first insulating rope is provided with a first pulling end facing the elastic swinging electric contact sheet and a first connecting end facing the center of the first elastic strand film and connected with the first elastic strand film; a first connecting top plate connected with the first connecting end is arranged in the center of the first elastic strand film; the second insulating rope is provided with a second pulling end facing the first connecting top plate and a second connecting end extending out of the sealing sliding hole and connected with the manual driving part; and a second connecting top plate connected with the second connecting end is arranged at the center of the second elastic strand film.
5. A long-range intelligent power transmission apparatus according to claim 4, wherein: the manual driving part comprises a third insulating rope for pulling the second elastic strand film outwards, a winding wheel for winding the third insulating rope, and a handle for pulling the winding wheel to rotate; the third insulating rope is provided with a third pulling end connected with the second connecting top plate and a third connecting end connected with the winding wheel.
6. A long-range intelligent power transmission apparatus according to claim 5, wherein: the inner side of the main cabinet is provided with a baffle plate which is blocked at the corresponding side of the first elastic strand membrane, the baffle plate is connected with the edge of the first through hole, a first sliding through hole which corresponds to the first connecting top plate and is used for the second insulating rope to slide through is formed in the baffle plate, the diameter of the first sliding through hole is smaller than that of the first connecting top plate, and a first gap is formed between the inner wall of the first sliding through hole and the peripheral surface of the second insulating rope; the outside of protection cabinet is equipped with the cover and establishes the protection casing in the second elasticity thigh membrane outside, the protection casing with the edge connection of second through-hole, the protection casing be formed with the roof is connected to the second corresponding and confession the second slip through-hole that the third insulating rope slided and passes, the diameter of second slip through-hole is less than the diameter that the roof was connected to the second, just the inner wall of second slip through-hole with be formed with the second clearance between the global of third insulating rope.
7. A long-range intelligent power transmission apparatus according to claim 6, wherein: the protection cabinet also comprises an outer cabinet which covers the manual driving part and the controller, and the outer cabinet is also provided with an outer door; the handle is magnetic metal and is provided with a first magnetic limit stop above the winding wheel and a second magnetic limit stop below the winding wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061477.3A CN109672110B (en) | 2019-01-23 | 2019-01-23 | Remote intelligent power transmission equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910061477.3A CN109672110B (en) | 2019-01-23 | 2019-01-23 | Remote intelligent power transmission equipment |
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| CN109672110A CN109672110A (en) | 2019-04-23 |
| CN109672110B true CN109672110B (en) | 2020-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110942933B (en) * | 2019-12-11 | 2022-09-06 | 福建鸿泰达科技有限责任公司 | Transformer with remote switching-on function |
| CN111416293B (en) * | 2020-04-27 | 2022-02-01 | 新疆紫金锌业有限公司 | Electric power inspection electric shock protection device |
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Address after: No.88 xiacuo, Shuikou village, Meishan Town, Nan'an City, Quanzhou City, Fujian Province Applicant after: RONGZHONG ELECTRICAL Co.,Ltd. Address before: 362321 Rongzhong Village, Meishan Town, Nanan City, Quanzhou City, Fujian Province Applicant before: RONGZHONG ELECTRICAL Co.,Ltd. |
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