CN111696771B - Skid-mounted transformer device and using method thereof - Google Patents
Skid-mounted transformer device and using method thereof Download PDFInfo
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- CN111696771B CN111696771B CN202010491954.2A CN202010491954A CN111696771B CN 111696771 B CN111696771 B CN 111696771B CN 202010491954 A CN202010491954 A CN 202010491954A CN 111696771 B CN111696771 B CN 111696771B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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Abstract
A skid-mounted transformer device comprises a skid body, wherein the skid body is divided into a transformer chamber and a security control chamber by a partition plate, the transformer chamber is internally provided with a transformer body, the lower end of the transformer body is provided with an oil collecting tank, the transformer body is also connected with a bus system and a transformer radiator, the bus system extends out of the skid body and is connected with an external electric wire, and the transformer radiator extends out of the skid body through a pipeline; the safety protection control room is provided with a control system and a gas fire extinguishing system, a fire alarm system, an intelligent ventilation system, a heating system and a dehumidification system are further arranged in the sledge body, and the transformer radiator, the gas fire extinguishing system, the fire alarm system, the intelligent ventilation system, the heating system and the dehumidification system are all electrically connected with the control system. The invention is suitable for various severe environments, effectively protects the service life of the transformer substation, has high precision automation degree of temperature and humidity monitoring control, and can also greatly reduce various costs.
Description
Technical Field
The invention provides a skid-mounted transformer device and a using method thereof, and belongs to the technical field of mobile power transmission and distribution.
Background
At present, power transformers used in power system substations in the industries of metallurgy, petroleum, chemical industry, coal, steel, electric power and the like are mostly placed in outdoor open-air environments, have poor protection effects and are greatly influenced by severe outdoor environments. The transformer of outdoor installation all has a series of problems such as condensation prevention, lightning protection, prevention of sunshine direct injection, pollution prevention, anticorrosion, overhauls, the maintenance work volume is big, and the transformer operation fault rate is high, and insulating oil ageing speed is relatively very fast, transformer life is relatively short, and the reliability is low, change frequently is high, influences subordinate's distribution equipment's normal operating. In order to solve the above problems, those skilled in the art think of two main technical improvements to the substation, 1, skid-mounted technical improvements, such as patents disclosed in china such as CN109861119A, CN208015202U, and CN208939339U, all disclose skid-mounted power transformation structures, which are designed only for skid-mounted improvements and do not involve monitoring and controlling of the environment, and partially solve the above problems, but the above problems are not well solved for some extremely severe environments, such as ultra-high temperature, ultra-low temperature, and high humidity environments; 2. the house type technology is improved, for example, Chinese patent publications such as CN208521198U and C105424088A disclose house type electric house structures, and the house structures partially solve the problems, but the house is in a fixed mode, has higher establishment cost, is not suitable for a mode capable of changing time and place, particularly in places with severe geographic environments, only considers indoor temperature monitoring in the working principle, is not suitable for severe environments in the field, has lower monitoring precision in the construction process, and has higher construction cost.
Disclosure of Invention
The invention solves the technical problems and provides a skid-mounted transformer device and a using method thereof, which are suitable for various severe environments, effectively protect the service life of a transformer substation, have high precision automation degree of temperature and humidity monitoring control and can greatly reduce various costs.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a skid-mounted transformer device comprises a skid body, wherein the skid body is provided with a base, stand columns are arranged at four corners of the base, a skid body cover is arranged at the top of each stand column, the skid body is divided into a transformer chamber and a security control chamber by a partition plate, a transformer body is arranged in the transformer chamber, an oil collecting pool is arranged at the lower end of the transformer body, a bus system and a transformer radiator are further connected to the transformer body, the bus system extends out of the skid body to be connected with external electric wires, and the transformer radiator extends out of the skid body through a pipeline; the safety control room is provided with a control system and a gas fire extinguishing system, a fire alarm system, an intelligent ventilation system, a heating system and a dehumidification system are also arranged in the sledge body, and the transformer radiator, the gas fire extinguishing system, the fire alarm system, the intelligent ventilation system, the heating system and the dehumidification system are all electrically connected with the control system; a skid body wallboard is arranged between the stand columns of the skid body, the skid body wallboard is a double-layer bridge-cut-off heat insulation corrugated board, the skid body house cover comprises an upper corrugated board, composite rock wool is laid in the middle of the skid body house cover, and a flame-retardant decoration outfitting board is installed on the lower portion of the rock wool; the fire alarm system comprises a temperature-sensitive detector, a smoke-sensitive detector and an alarm connected with the smoke-sensitive detector; the intelligent ventilation system comprises an air inlet air valve and an air outlet air valve which are arranged at different positions of the prying body; the heating system comprises an air conditioner, a carbon fiber electric heater, a temperature and humidity detector and an external temperature detector, wherein the air conditioner, the carbon fiber electric heater and the temperature and humidity detector are arranged inside the prying body; the dehumidification system comprises an air conditioner, a dehumidifier and a temperature and humidity detector which are arranged in the prying body.
Foretell control system includes main control unit, and main control unit is last to be connected with power module, environmental monitoring module, security protection monitoring module and equipment state monitoring module, and environmental monitoring module is used for monitoring the humiture, and security protection monitoring module is used for monitoring illegal personnel and gets into and the conflagration, and equipment state monitoring module is used for monitoring whether normal operating of relevant equipment such as this internal transformer body of sled body, air conditioner, heater, fire extinguisher, dehumidifier, intelligent ventilation system.
The main controller also comprises a communication module, the communication module is connected with a remote monitoring platform, the remote monitoring platform comprises a mobile terminal and a host, and the host is connected with a printer, a display and a data storage.
The base of the sledge body is made of I-shaped steel or H-shaped steel, the upright columns and the doorframe upright columns are made of square tubes, the wallboard is made of 2.5mm corrugated boards, and the integral structural strength of the sledge body is ensured by integrally welding; the double-layer bridge cut-off heat insulation technology of the sledge body wall plate realizes the heat insulation function; the skid body cover is formed by welding 100x100 square pipes, a corrugated plate is welded on the upper portion of the skid body cover, composite rock wool with the thickness of 100mm is laid in the middle of the skid body cover, an incoming and outgoing line cable and a bus support are welded on a room cover frame, and an A-level flame-retardant decoration outfitting plate is installed on the lower portion of the rock wool.
Clean pebbles are laid in the oil collecting pool, leaked transformer oil is led into the skid-bottom foundation civil engineering oil storage pool through the oil collecting pool, and the volume of the oil collecting pool is not less than 25% of the total oil mass of the transformer; the transformer heat dissipation system is arranged outside the sledge body and is connected with the transformer body in the sledge through a communication pipeline.
Foretell sled body has the door, and door utensil entrance guard has video monitor system and is connected with warning alarm electricity, and the door top is equipped with the gassing and reports an emergency and asks for help or increased vigilance the warning sign.
One side of the air exhaust cavity of the air inlet air valve and the air exhaust air valve is also provided with a first dustproof mechanism, the other side of the air exhaust cavity is provided with a second dustproof mechanism, and the second dustproof mechanism further comprises a filter screen.
The output end of the main controller is also connected with the first and second dustproof mechanisms; the main controller is also used for controlling the first and second dustproof mechanisms to be opened or closed according to the set temperature and humidity.
The external temperature detector and the temperature and humidity detector are both sensors, the output end of the temperature and humidity sensor and the output end of the external temperature sensor are connected with the input end of the main controller, and the output end of the main controller is connected with the air inlet air valve and the air outlet air valve; the temperature and humidity sensor is used for detecting a first temperature at the inner side of the mechanism to be exhausted; the outer temperature sensor is used for detecting a second outdoor temperature; the temperature and humidity sensor is used for detecting the humidity inside the mechanism to be exhausted; the main controller is used for controlling the opening or closing of the air inlet air valve and the air outlet air valve according to the first temperature, the second temperature and/or the humidity and the set humidity.
The application method of the skid-mounted transformer device,
it includes environmental control: an environment control module in the control system receives temperature signals sent by an external temperature detector and a temperature and humidity detector which are arranged inside and outside the skid, when the temperature of a transformer chamber in the skid is higher than a first set value of the system and the external temperature is lower than the first set value, the system automatically starts an air inlet air valve, and simultaneously opens an intelligent exhaust air valve to link a forced exhaust system in the skid so as to carry out forced exhaust and cooling; when the external temperature is higher than the set value, the system automatically switches to an air conditioner forced cooling program, closes all air inlet air valves and air exhaust air valves, starts the sledge internal cooling and heating type industrial air conditioner, and carries out sledge internal cooling; when the temperature detected by the indoor temperature and humidity detector of the transformer in the sledge is lower than a second set value of the system and the external temperature detected by the external temperature detector is higher than a third set value of the system, the system automatically starts the cold and warm type industrial air conditioner to heat the environment in the sledge; when the external temperature is lower than a third set value of the system, the system automatically switches to a forced heating program, the air conditioner is closed, the carbon fiber electric heater in the sledge is started, and the temperature in the sledge is raised; the environment control module is used for automatically starting an air conditioner dehumidification mode to perform automatic dehumidification according to the received humidity signal of the temperature and humidity detector and a system calculation program when the average value of the relative humidity measured in 24 hours in the sledge is larger than a first set value of the system; according to the equipment use environment, when the environment humidity is greater than a second set value of the system, the system automatically starts the special dehumidifier to perform rapid dehumidification;
security control: a security protection control module in the control system receives signals of a fire temperature-sensing detector and a smoke-sensing detector, when a fire disaster occurs, the smoke-sensing detector sends an alarm signal to a fire alarm controller in the management system, and the alarm controller drives an alarm to send a fire alarm signal; when the fire becomes large, the temperature rises, the temperature-sensitive detector sends a signal to be output to the main controller, the main controller starts a fire extinguishing program after confirming the information of the fire temperature-sensitive detector, and an alarm alarms that indoor personnel evacuate and danger is avoided; the main controller automatically starts the gas fire extinguishing system while giving an alarm, starts countdown for a certain time, finishes the countdown, starts the electromagnetic driver of the gas fire extinguishing equipment body fire extinguishing bottle group, opens the container valve of the fire extinguishing bottle group, and sprays the gas fire extinguishing agent in the bottle group to extinguish the gas; the fire extinguishing agent is sprayed out and simultaneously the deflation warning and warning board arranged above the door of the sledge body is lightened, so that a warning person can enter the sledge body, namely, the gas and oxygen-free danger in the sledge body can be avoided, and after the fire alarm is relieved, the sledge inner fan is started, the sledge inner door is opened for ventilation, and then maintenance and overhaul personnel can enter the sledge body; when non-professional personnel illegally enter, the security control management receives signals of the access control and video monitoring system, and the alarm automatically sends out alarm signals of 'high-voltage danger and no entrance into the system', and uploads the alarm signals to the central control room.
The invention has the beneficial effects that:
1. the invention solves the problems that the outdoor transformer of the transformer substation has poor protection effect and is greatly influenced by severe outdoor environment, and is widely applied to various industries such as metallurgy, petroleum, chemical industry, coal, steel, electric power and the like; the transformer anti-condensation, lightning protection, direct sunlight prevention, pollution prevention, corrosion prevention and other problems of outdoor installed transformers are satisfactorily solved, the accurate control of the ambient temperature and humidity in the running process of the transformer is realized, particularly the temperature is more accurately controlled, different temperature control modes are adopted for multi-stage temperatures, and the internal and external temperatures of the pry body are controlled, so that the power cost can be greatly reduced by effectively utilizing the internal and external temperature differences, the ambient temperature control system is effectively ensured to always control the internal humidity of the pry within a standard range, the internal temperature of the pry is kept between +5 ℃ and +25 ℃, the generation of condensation is effectively prevented, and the running of the transformer is safer; the auxiliary ventilation air-conditioning system, the fire alarm and gas fire extinguishing system are intelligently controlled and managed, and various management costs are greatly reduced;
2. the intelligent control system provided by the invention has the advantages that the intelligent control regulation and management are carried out on the operation environment and the security state of the transformer, the operation environment of the equipment is effectively improved, the security state of the equipment is comprehensively monitored, the unattended operation can be realized through remote control, and the operation efficiency is improved;
3. the prying body is stable in structure and convenient to install, the influence of internal and external temperature difference can be reduced due to double-layer bridge cut-off heat insulation, the flame retardance can be realized while the electric power cost can be reduced due to the three-layer heat insulation flame-retardant design at the top, and the spread of fire can be prevented after the fire catches fire;
4. the oil collecting pool at the bottom of the prying body can be used for preventing the mobile phone from leaking oil and polluting the environment, and pebbles are used for filtering the leaked oil, so that the collected oil can be reused, and the cost of oil is reduced, and meanwhile, the cost of post-treatment can also be reduced;
5. the arrangement of the entrance guard, the video monitoring system, the alarm, the air-release alarm and the alarm warning board ensures the anti-theft safety, the safety of irrelevant approaching personnel, the safety of animals and relevant constructors;
6. the inside and outside dustproof mechanism that sets up of air inlet valve and filter screen can further improve the pure and clean degree of intake air, prevent that ash and sand dirt from causing the influence to the internal equipment of sled, especially it is especially obvious to have abominable environmental effects such as sand and dust storm, dustproof mechanism can be by main control unit automatic control, need not personnel to intervene, can really accomplish unmanned aerial vehicle management, and the better inside electrical equipment ventilation cooling problem of the automatically controlled integrated device of skid-mounted of solution of this ventilation equipment, reduce the environment humiture when equipment moves in the sled, reduce the operation accident, guarantee the security, the reliability of the interior electrical equipment operation of the automatically controlled integrated device of skid-mounted.
Drawings
The following detailed description is made by way of example only with reference to the accompanying drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Referring to the attached figure 1, a skid-mounted transformer device comprises a skid body, wherein the skid body is provided with a base, stand columns are arranged at four corners of the base, a skid body cover is arranged at the top of each stand column, the skid body is divided into a transformer chamber 1 and a security control chamber 2 by a partition plate, a transformer body 10 is arranged in the transformer chamber, an oil collecting tank 20 is arranged at the lower end of the transformer body, a bus system 21 and a transformer radiator 13 are further connected to the transformer body, the bus system extends out of the skid body and is connected with external electric wires, the transformer radiator extends out of the skid body through a pipeline, and the transformer bus system is connected with an upper-level system and a lower-level system through bus sleeves or cables; the safety protection control room is provided with a control system 4 and a gas fire extinguishing system 3, the gas fire extinguishing system is arranged on the partition plate, a nozzle of the gas fire extinguishing system extends out of the partition plate to the transformer room and can stretch out and draw back, so that fire is conveniently extinguished, a fire alarm system, an intelligent ventilation system, a heating system and a dehumidification system are further arranged in the sledge body, and the transformer radiator, the gas fire extinguishing system, the fire alarm system, the intelligent ventilation system, the heating system and the dehumidification system are all electrically connected with the control system; a skid body wallboard is arranged between the stand columns of the skid body, the skid body wallboard is a double-layer bridge-cut-off heat insulation corrugated board, the skid body house cover comprises an upper corrugated board, composite rock wool is laid in the middle of the skid body house cover, and a flame-retardant decoration outfitting board is installed on the lower portion of the rock wool; the fire alarm system comprises a temperature-sensitive detector 11, a smoke-sensitive detector 17 and an alarm 9 connected with the temperature-sensitive detector and the smoke-sensitive detector; the intelligent ventilation system comprises an air inlet air valve 16 and an air outlet air valve 12 which are arranged at different positions of the pry body; the heating system comprises an air conditioner 6, a carbon fiber electric heater 5, a temperature and humidity detector 18 and an external temperature detector 8, wherein the air conditioner 6, the carbon fiber electric heater 5 and the temperature and humidity detector are arranged inside the pry body; the dehumidification system comprises an air conditioner 6, a dehumidifier and a temperature and humidity detector 18 which are arranged in the pry body, the air conditioner can select industrial cold and warm air drying, the air drying can have a dehumidification function, the air conditioner can be independently arranged in the two chambers and can also be shared, the shared partition plate can be a heat conduction partition plate, the carbon fiber electric heater is arranged on the partition plate, and through holes are formed in the partition plate at the installation position, so that the convection of gas in the two chambers is facilitated; the temperature and humidity detector can adopt detectors with two functions, namely, the temperature and the humidity can be detected, and a sensor with a single function can be independently arranged to measure the temperature and the humidity.
The control system comprises a main controller, wherein a power supply module, an environment monitoring module, a security monitoring module and an equipment state monitoring module are connected to the main controller, the environment monitoring module is used for monitoring temperature and humidity, the security monitoring module is used for monitoring illegal personnel entering and fire disasters, and the equipment state monitoring module is used for monitoring whether related equipment such as a transformer body, an air conditioner, a heater, a fire extinguisher, a dehumidifier and an intelligent ventilation system in a prying body normally operates.
The main controller also comprises a communication module, the communication module is connected with a remote monitoring platform, the remote monitoring platform comprises a mobile terminal and a host, and the host is connected with a printer, a display and a data storage. The main controller can select a single chip microcomputer or a CPU and other processors, such as: stm32 and stm32H7 series single-chip microcomputer. The remote monitoring platform is in wired or wireless communication with the main controller. The remote monitoring platform can also comprise terminal equipment such as a remote controller and the like under the condition that the control distance is short. The remote monitoring platform may be located in a central control room.
The base of the sledge body is made of I-shaped steel or H-shaped steel, the upright columns and the doorframe upright columns are made of square tubes, the wall plate is made of 2.5mm corrugated plates, and the integral structural strength of the sledge body is ensured by integrally welding; the double-layer bridge cut-off heat insulation technology of the sledge body wall plate realizes the heat insulation function; the skid body cover is formed by welding 100x100 square pipes, a corrugated plate is welded on the upper portion of the skid body cover, composite rock wool with the thickness of 100mm is laid in the middle of the skid body cover, an incoming and outgoing line cable and a bus support are welded on a room cover frame, and an A-level flame-retardant decoration outfitting plate is installed on the lower portion of the rock wool.
Clean pebbles are laid in the oil collecting pool, leaked transformer oil is led into the skid-bottom foundation civil engineering oil storage pool through the oil collecting pool, and the volume of the oil collecting pool is not less than 25% of the total oil mass of the transformer; the transformer heat dissipation system is arranged outside the sledge body and is connected with the transformer body in the sledge through a communication pipeline.
The sledge body have a door, the door has a door control 15, the door control has a video monitoring system 7 and is electrically connected with an alarm 9, and an air discharge alarm 19 and an alarm warning board 14 are arranged above the door.
One side of the air exhaust cavity of the air inlet air valve and the air exhaust air valve is also provided with a first dustproof mechanism, the other side of the air exhaust cavity is provided with a second dustproof mechanism, the dustproof mechanisms can be louvers, the louvers are controlled electrically, and the second dustproof mechanism further comprises a filter screen.
The first dustproof mechanism further comprises: a transmission mechanism; the output end of the transmission mechanism is connected with the control end of the electric shutter, and the transmission mechanism controls the electric shutter to be opened or closed. The main controller controls the electric shutter to be opened through the transmission mechanism, and then the main controller controls the air inlet air valve and the air exhaust air valve to be opened.
Air flow rate sensors are also arranged in the cavities of the air inlet air valve and the air outlet air valve; the input end of the main controller is also connected with the output end of the air flow velocity sensor; the main controller is used for collecting the flow rate of air in the cavities of the air inlet air valve and the air exhaust air valve.
The output end of the main controller is also connected with the first and second dustproof mechanisms; the main controller is also used for controlling the first and second dustproof mechanisms to be opened or closed according to the set temperature and humidity.
The external temperature detector and the temperature and humidity detector are both sensors, the output end of the temperature and humidity sensor and the output end of the external temperature sensor are connected with the input end of the main controller, and the output end of the main controller is connected with the air inlet air valve and the air exhaust air valve; the temperature and humidity sensor is used for detecting a first temperature at the inner side of the mechanism to be exhausted; the outer temperature sensor is used for detecting a second outdoor temperature; the temperature and humidity sensor is used for detecting the humidity inside the mechanism to be exhausted; the main controller is used for controlling the opening or closing of the air inlet air valve and the air outlet air valve according to the first temperature, the second temperature and/or the humidity and the set humidity.
A method of using a skid-mounted transformer apparatus, comprising: an environment control module in the control system 4 receives temperature signals sent by an external temperature detector 8 and a temperature and humidity detector 18 which are arranged inside and outside the skid, when the temperature of a transformer chamber in the skid is higher than a first set value of the system (generally +25 ℃, but not limited to a value, and can be set according to needs), and the external temperature is lower than the first set value, the system automatically starts an air inlet air valve 16, and simultaneously opens an intelligent exhaust air valve 12 to link an internal forced exhaust system of the skid, so as to carry out forced exhaust and temperature reduction; when the external temperature is higher than the set value, the system automatically switches to an air conditioner forced cooling program, closes all the air inlet air valves 16 and the air outlet air valves 12, starts the sledge internal cooling and heating type industrial air conditioner 6, and carries out sledge internal cooling; when the temperature value detected by the indoor temperature and humidity detector 18 of the transformer in the skid is lower than a second set value of the system (generally +5 ℃, but not limited to a secondary value, and can be set as required), and when the external temperature detected by the external temperature detector is higher than a third set value of the system (generally-8 ℃, but not limited to a secondary value, and can be set as required), the system automatically starts the cold and warm type industrial air conditioner 8 to heat the environment in the skid; when the external temperature is lower than a third set value of the system, the system automatically switches to a forced heating program, the air conditioner 6 is closed, the carbon fiber electric heater 5 in the sledge is started, and the temperature in the sledge is raised; the environment control module automatically starts a dehumidification mode of the air conditioner 6 to perform automatic dehumidification when the average value of the relative humidity measured in 24 hours in the sledge is greater than a first set value of the system (generally 60% but not limited to a value, and can be set as required) according to the received humidity signal of the temperature and humidity detector 18 and a system calculation program; according to the equipment use environment, when the environment humidity is greater than a second set value of the system (generally 90%, but not limited to a secondary value, which can be set as required), the system automatically starts the special dehumidifier to perform rapid dehumidification; security control: a security protection control module in the control system 4 receives signals of the fire temperature-sensitive detector 11 and the smoke-sensitive detector 17, when a fire occurs, the smoke-sensitive detector 17 sends an alarm signal to a fire alarm controller in the management system 4, and the alarm controller drives the alarm 9 to send a fire alarm signal; when the fire becomes large and the temperature rises, the temperature-sensitive detector 11 sends a signal to be output to the main controller, the main controller starts a fire extinguishing program after confirming the information of the fire-sensitive detector, and an alarm alarms that indoor personnel evacuate and danger is avoided; the main controller alarms and simultaneously automatically starts the gas fire extinguishing system 3, starts countdown for a certain time (generally 30s, but not limited to a secondary value, which can be set according to needs), and finishes the countdown, the controller starts the electromagnetic driver of the fire extinguishing bottle group of the gas fire extinguishing equipment body, starts the container valve of the fire extinguishing bottle group, and sprays the gas fire extinguishing agent in the bottle group to extinguish the gas; when the fire extinguishing agent is sprayed out, an air release alarm 19 and an alarm warning board 14 which are arranged above the door of the sledge body are lightened, and a warning person, namely 'air release and anaerobic danger in the sledge', can not enter the sledge, and after the fire alarm is relieved, an internal fan of the sledge is started, the internal door of the sledge is opened for ventilation, and then maintenance and overhaul personnel can enter the sledge; when non-professional personnel illegally enter, the security control management receives signals of the access control 15 and the video monitoring system 7, and the alarm 9 automatically sends out a high-voltage danger and entrance prohibition alarm signal and uploads the alarm signal to the central control room.
The protective scope of the present invention is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present invention by those skilled in the art without departing from the scope and spirit of the present invention. It is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (6)
1. A using method of a skid-mounted transformer device comprises a skid body, wherein the skid body is provided with a base, stand columns are arranged at four corners of the base, a skid body room cover is arranged at the top of each stand column, the skid body is divided into a transformer room (1) and a security control room (2) by a partition plate, a transformer body (10) is arranged in the transformer room, an oil collecting pool (20) is arranged at the lower end of the transformer body, the transformer body is also connected with a bus system (21) and a transformer radiator (13), the bus system extends out of the skid body and is connected with an external electric wire, and the transformer radiator extends out of the skid body through a pipeline; a skid body wallboard is arranged between the stand columns of the skid body, the skid body wallboard is a double-layer bridge-cut-off heat insulation corrugated board, the skid body house cover comprises an upper corrugated board, composite rock wool is laid in the middle of the skid body house cover, and a flame-retardant decoration outfitting board is installed on the lower portion of the rock wool; the method is characterized in that: the safety control room is provided with a control system (4) and a gas fire extinguishing system (3), a fire alarm system, an intelligent ventilation system, a heating system and a dehumidification system are also arranged in the sledge body, the transformer radiator, the gas fire extinguishing system, the fire alarm system, the intelligent ventilation system, the heating system and the dehumidification system are all electrically connected with the control system, and the fire alarm system comprises a temperature-sensitive detector (11), a smoke-sensitive detector (17) and an alarm (9) connected with the temperature-sensitive detector and the smoke-sensitive detector; the intelligent ventilation system comprises an air inlet air valve (16) and an air outlet air valve (12) which are arranged at different positions of the pry body; the heating system comprises a cooling and heating type industrial air conditioner (6) arranged inside the prying body, a carbon fiber electric heater (5), a temperature and humidity sensor (18) and an external temperature sensor (8) arranged outside the prying body; the dehumidification system comprises a cold and warm type industrial air conditioner (6), a dehumidifier and a temperature and humidity sensor (18) which are arranged in the pry body; the control system comprises a main controller, wherein a power supply module, an environment monitoring module, a security monitoring module and an equipment state monitoring module are connected to the main controller, the environment monitoring module is used for monitoring temperature and humidity, the security monitoring module is used for monitoring illegal personnel entering and fire disasters, and the equipment state monitoring module is used for monitoring whether a transformer body, a cold and warm industrial air conditioner, a heater, a fire extinguisher, a dehumidifier and an intelligent ventilation system in a prying body normally operate or not; the output end of the temperature and humidity sensor and the output end of the external temperature sensor are connected with the input end of the main controller, and the output end of the main controller is connected with the air inlet air valve and the air exhaust air valve; the temperature and humidity sensor is used for detecting a first temperature at the inner side of the mechanism to be exhausted; the external temperature sensor is used for detecting a second outdoor temperature; the temperature and humidity sensor is used for detecting the humidity inside the mechanism to be exhausted; the main controller is used for controlling the air inlet air valve and the air outlet air valve to be opened or closed according to the first temperature, the second temperature and/or the humidity and the set humidity; the sledge body is provided with a door, the door is provided with a door control (15), the door control is provided with a video monitoring system (7) and is electrically connected with an alarm (9), and an air release alarm (19) and an alarm warning board (14) are arranged above the door; the using method specifically comprises the following steps:
and (3) environmental control: an environment control module in the control system (4) receives temperature signals sent by an external temperature sensor (8) and a temperature and humidity sensor (18) which are arranged inside and outside the sledge, when the temperature of a transformer chamber in the sledge is higher than a first set value of the system and the external temperature is lower than the first set value, the system automatically starts an air inlet air valve (16), and simultaneously starts an exhaust air valve (12) to link a forced exhaust system in the sledge to carry out forced exhaust and cooling; when the external temperature is higher than a first set value, the system automatically switches to an air conditioner forced cooling program, closes all air inlet air valves (16) and exhaust air valves (12), starts the sledge internal cooling and heating type industrial air conditioner (6) and carries out sledge internal cooling; when the temperature value detected by the temperature and humidity sensor (18) of the transformer in the sledge is lower than a second set value of the system and the external temperature detected by the external temperature sensor is higher than the second set value of the system, the system automatically starts the cold and warm type industrial air conditioner (6) to heat the environment in the sledge; when the external temperature is lower than a second set value of the system, the system automatically switches to a forced heating program, closes the cooling and heating type industrial air conditioner (6), starts the carbon fiber electric heater (5) in the sledge and carries out internal heating of the sledge; the environment control module automatically starts a dehumidification mode of the cold and warm type industrial air conditioner (6) to perform automatic dehumidification according to a received humidity signal of the temperature and humidity sensor (18) and a system calculation program when the average value of relative humidity measured in 24h in the sledge is greater than a first set value of the system; according to the equipment use environment, when the environment humidity is greater than a second set value of the system, the system automatically starts the special dehumidifier to perform rapid dehumidification;
security control: a security protection control module in the control system (4) receives signals of a fire temperature-sensing detector (11) and a smoke-sensing detector (17), when a fire occurs, the smoke-sensing detector (17) sends an alarm signal to a fire alarm controller in the control system (4), and the alarm controller drives an alarm (9) to send a fire alarm signal; when the fire becomes large and the temperature rises, the temperature-sensitive detector (11) sends a signal to be output to the main controller, the main controller starts a fire extinguishing program after confirming the information of the fire-sensitive detector, and the alarm sends a signal of 'personnel evacuation and danger avoidance' to indoor personnel; the gas fire extinguishing system (3) is automatically started when the main controller gives an alarm, the countdown is started for a certain time, the countdown is finished, the main controller starts an electromagnetic driver of a fire extinguishing bottle group of the gas fire extinguishing equipment, a container valve of the fire extinguishing bottle group is opened, and a gas fire extinguishing agent in the bottle group is sprayed out to extinguish the gas; when the fire extinguishing agent is sprayed out, an air release alarm (19) and an alarm warning board (14) arranged above the door of the sledge body are lightened at the same time, so that personnel are warned, the air release and the oxygen-free danger in the sledge body are avoided, and after the fire alarm is relieved, an internal fan of the sledge is started, the internal door of the sledge is opened for ventilation, and then the personnel for maintenance and overhaul can enter; when non-professional personnel illegally enter, the security control management receives signals of the access control (15) and the video monitoring system (7), and the alarm (9) automatically sends out alarm signals of 'high-voltage danger and no entry', and uploads the alarm signals to the central control room.
2. The method of using a skid-mounted transformer apparatus of claim 1, wherein: the main controller also comprises a communication module, the communication module is connected with a remote monitoring platform, the remote monitoring platform comprises a mobile terminal and a host, and the host is connected with a printer, a display and a data storage.
3. The method for using the skid-mounted transformer device according to any one of claims 1-2, wherein: the base of the sledge body is made of I-shaped steel or H-shaped steel, the upright columns and the doorframe upright columns are made of square tubes, the wall plate is made of 2.5mm corrugated plates, and the integral structural strength of the sledge body is ensured by integrally welding; the double-layer bridge cut-off heat insulation technology of the sledge body wall plate realizes the heat insulation function; the skid body room cover is formed by welding 100x100 square tubes, the corrugated plate is welded on the upper portion, composite rock wool with the thickness of 100mm is laid in the middle, an incoming and outgoing line cable and a bus support are welded on a skid body room cover frame, and an A-level flame-retardant decoration outfitting plate is installed on the lower portion of the rock wool.
4. The method for using the skid-mounted transformer device according to any one of claims 1-2, wherein: clean pebbles are laid in the oil collecting pool, leaked transformer oil is led into the skid-bottom foundation civil engineering oil storage pool through the oil collecting pool, and the volume of the oil collecting pool is not less than 25% of the total oil mass of the transformer; the transformer heat dissipation system is arranged outside the sledge body and is connected with the transformer body in the sledge through a communication pipeline.
5. The method of using a skid-mounted transformer apparatus of claim 2, wherein: one side of the air exhaust cavity of the air inlet air valve and the air exhaust air valve is also provided with a first dustproof mechanism, the other side of the air exhaust cavity is provided with a second dustproof mechanism, and the second dustproof mechanism further comprises a filter screen.
6. The method of using a skid-mounted transformer apparatus of claim 5, wherein: the output end of the main controller is also connected with the first and second dustproof mechanisms; the main controller is also used for controlling the first and second dustproof mechanisms to be opened or closed according to the set temperature and humidity.
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| CN202010491954.2A CN111696771B (en) | 2020-06-03 | 2020-06-03 | Skid-mounted transformer device and using method thereof |
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| CN202010491954.2A CN111696771B (en) | 2020-06-03 | 2020-06-03 | Skid-mounted transformer device and using method thereof |
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| CN111696771B true CN111696771B (en) | 2021-06-15 |
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