CN111965227B - Safety monitoring management platform of transformer substation - Google Patents

Safety monitoring management platform of transformer substation Download PDF

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Publication number
CN111965227B
CN111965227B CN202010857791.5A CN202010857791A CN111965227B CN 111965227 B CN111965227 B CN 111965227B CN 202010857791 A CN202010857791 A CN 202010857791A CN 111965227 B CN111965227 B CN 111965227B
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China
Prior art keywords
oil
station
cylinder
filter screen
transformer
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CN111965227A (en
Inventor
陆群炜
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JIANGSU WIZPOWER ELECTRIC POWER TECHNOLOGY Co.,Ltd.
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Jiangsu Wizpower Electric Power Technology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning

Abstract

The invention discloses a transformer substation safety monitoring management platform which comprises a processor, a display module, an induction detection module and an oil metal detection module, wherein the induction detection module comprises an ultrasonic sensor, an electromagnetic wave sensor and an infrared temperature measurement sensor and is used for detecting a transformer of a transformer substation in real time; the display module is used for displaying the detected data; the processor is used for carrying out centralized processing on the obtained data; the transformer substation safety monitoring management platform is used for detecting electromagnetic waves, sound waves, temperature and oil metal ion quantity of a transformer of the transformer substation to obtain reference quantities of fault generation, analyzing and comparing the reference quantities to obtain prompt and early warning of various faults, and is convenient to overhaul.

Description

Safety monitoring management platform of transformer substation
Technical Field
The invention relates to the technical field of transformers, in particular to a transformer substation safety monitoring and management platform.
Background
The power transformer is one of the most important electrical devices in the power system, the operation condition of the power transformer is directly related to the safe, stable and economic operation of the power system, and the large-area power failure is caused when the power transformer fails, so that the national economy suffers great loss. At present, a plurality of transformer substations are manually patrolled, so that the labor intensity is high, and the transformer substations are unsafe.
The on-line monitoring system for partial discharge of the transformer has some applications in China, and most of the on-line monitoring system is used for detecting transformer oil. For example, for an oil immersed transformer, patent publication No. CN 107121411 a discloses an online monitoring system for a transformer tank based on a spectrum analyzer, which detects dissolved gas in oil in the transformer tank to determine transformer faults. Patent publication No. CN 105424572A is the on-line measuring ware of granule impurity in transformer oil for solve the on-line measuring problem of granule impurity state in the inside oil of present large-scale power transformer, the partial discharge trouble in the early warning granule impurity arouses oil, ensures large-scale power transformer's safe operation. Above-mentioned technical scheme is through detecting fluid itself, can not improve oil quality itself, and the functional limitation is great.
Disclosure of Invention
The invention aims to solve the problems of transformer oil detection in the prior art, and provides a transformer substation safety monitoring and management platform which is used for strengthening the functions of transformer oil detection, filtering oil and periodically detecting the metal content in the oil.
In order to achieve the purpose, the invention adopts the following technical scheme:
a safety monitoring and management platform for a transformer substation comprises a processor, a display module, an induction detection module and an oil metal detection module. The induction detection module comprises an ultrasonic sensor, an electromagnetic wave sensor and an infrared temperature measurement sensor and is used for detecting the transformer of the transformer substation in real time; the display module is used for displaying the detected data; the processor is used for carrying out centralized processing on the obtained data; the oil metal detection module is used for detecting the metal content in the oil.
Specifically, the method for detecting the oil metal by the oil metal detection module comprises the following steps:
s1: pumping out oil in the transformer oil tank and filtering to obtain metal chips;
s2: after the surface of the metal chips is washed away, the metal chips are immersed in a hydrochloric acid solution to form an ionic solution;
s3: and detecting the ion content of the ionic solution by using the ion selective electrode to obtain the ion content.
In order to realize the method, the oil metal detection module comprises an oil metal detection device, and the oil metal detection device comprises a support frame, an upper oil cavity, a lower oil cavity, a ceramic filter screen, a rotating disc and a solution pool, wherein the upper oil cavity and the lower oil cavity are fixedly arranged on the support frame, the ceramic filter screen is used for oil filtration, the rotating disc is used for supporting and enabling the ceramic filter screen to rotate and shift, and the solution pool is used for dissolving metal in the ceramic filter screen.
Specifically, an oil inlet pipe is arranged at the oil inlet end of the upper oil cavity and is communicated with a transformer oil tank and the upper oil cavity, an oil outlet pipe is arranged at the oil outlet end of the lower oil cavity and is communicated with the transformer oil tank and the lower oil cavity, a plurality of oil collecting cylinders which are annularly distributed by taking the central axis of the rotating disc as the center and are parallel to the central axis are arranged on the rotating disc, and a ceramic filter screen is installed inside each oil collecting cylinder through a clamping assembly; the oil collecting cylinder is used for connecting an oil outlet end of the upper oil cavity with an oil inlet end of the lower oil cavity, the oil outlet end of the upper oil cavity and the oil inlet end of the lower oil cavity are both provided with electric control valves, and the oil inlet pipe and the oil outlet pipe are provided with oil pumps to realize oil circulation.
Furthermore, the collecting station on one side of the rotating disc is located between the upper oil cavity and the lower oil cavity, an oil inlet of an oil collecting cylinder at the collecting station is communicated with an oil outlet of the upper oil cavity correspondingly, the oil outlet of the oil collecting cylinder is communicated with an oil inlet of the lower oil cavity correspondingly, the other side of the rotating disc is provided with a dissolving station, a pushing cylinder is arranged above the dissolving station of the rotating disc, a working end of the pushing cylinder faces downwards and is fixedly provided with a carrying component used for moving a ceramic filter screen, a uncovered solution pool is arranged below the dissolving station of the rotating disc, and the carrying component can push the carrying component into the solution pool after grabbing the filter screen.
Preferably, the joint subassembly includes spring support pole and the fixture block that the level set up, spring support pole comprises telescopic link and the outside spring of telescopic link, spring support pole's one end fixed connection receives the recess bottom of oil drum inner wall, spring support pole's other end fixed connection fixture block, the upper surface of fixture block is the plane, and the lower surface of fixture block sets up the inclined plane of tilt-up near filter screen one side, ceramic filter screen's upper end sets up the card hole that corresponds with the fixture block. The clamping block is clamped into the clamping hole of the filter screen to form longitudinal positioning of the filter screen.
Further, carry the subassembly and include the connecting block, press the cylinder, contact block and press the briquetting, connecting block fixed connection promotes the work end of cylinder, press the cylinder level and set up in the side of connecting block, press the fixed contact block that sets up of work end of cylinder, contact block is used for the contact and supports the inner wall of filter screen, one side of contact block sets up the press briquetting that corresponds with fixture block position, press the briquetting and can press the fixture block of filter screen card downthehole portion, the spring in the spring support pole is compressed, in the recess of fixture block indentation receipts oil cylinder inner wall, contact block and the inner wall contact that supports the filter screen, press the calorie hole that the briquetting got into the filter screen, push the cylinder and promote to carry subassembly and filter screen down and move this moment, get into the solution tank.
Further, support frame one side sets up hydrochloric acid case and waste liquid case, the upper portion space intercommunication of hydrochloric acid case through feed liquor pipe and solution pond, the waste liquid case passes through the lower part space intercommunication of drain pipe and solution pond, and feed liquor pipe and drain pipe automatically controlled valve get into the solution pond when the filter screen, and the feed liquor pipe is opened, and hydrochloric acid solution of hydrochloric acid incasement portion gets into the solution pond, and hydrochloric acid solution reacts with the inside metal of filter screen, forms the solution that contains metal ion, and the bottom of solution pond sets up ion selectivity electrode for test metal ion solution metal content.
Further, set up vertical rotary rod on the support frame, rotary rod fixed connection round dish, the rotatory connecting rod that sets up on the dish in turn, the one end fixed connection receiving oil section of thick bamboo of connecting rod, the fixed friction swiveling wheel that sets up in connecting rod middle part.
Furthermore, a cleaning station and a rotating station are arranged between the collecting station and the dissolving station of the rotating disc, the bottom of the rotating rod is fixedly connected with a motor and used for driving the rotating disc to rotate, so that the oil collecting cylinder is transposed, and the oil collecting cylinder sequentially passes through the collecting station, the cleaning station, the dissolving station and the rotating station.
Furthermore, a spraying device is arranged at the upper end of the cleaning station and used for removing oil on the surface of the metal chips; the upper end of rotatory station sets up the friction plate, the position of friction plate corresponds with the position of friction swiveling wheel, and when receiving an oil section of thick bamboo through rotatory station, friction swiveling wheel and friction plate contact, the friction plate drives the friction swiveling wheel rotatory, makes the upset of the oil section of thick bamboo of receiving of connecting rod one end, and the inside impurity of connecting rod can be poured, can prevent that the inside impurity of filter screen is too much, blocks up the mesh of filter screen, makes the filter screen get into again cleanly and collects the station.
In order to accelerate the detection efficiency, the detection platform is also provided with a database and a comparison module, wherein the database is used for storing data interval values corresponding to the induction detection module and the oil metal detection module when the transformer has common faults and is used as a data standard for later judgment. And the comparison module is used for comparing the detection data with the data in the database and detecting the fault.
In order to improve the data volume in the database, common faults of the transformer can be caused artificially, the monitoring platform is used for detecting the fault transformer, the obtained monitoring data of the transformer in different faults are stored in the database, the data volume in the database is improved, and the detection efficiency is improved.
The invention has the beneficial effects that:
1. the transformer substation safety monitoring management platform is used for detecting electromagnetic waves, sound waves, temperature and oil metal ion quantity of a transformer substation to obtain reference quantity of fault generation, analyzing and comparing the reference quantity to obtain prompt and early warning of various faults, and is convenient to overhaul.
2. The method for detecting the metal content of the oil in the transformer substation safety monitoring management platform in real time is simple, has a filtering function, can be used for filtering the oil in the transformer, can also be used for detecting metal ions in filter residues to obtain the metal types and the metal content in the oil of the transformer, can automatically complete periodic oil detection without manual operation, and is convenient to detect.
Drawings
FIG. 1 is a system diagram of a safety monitoring and management platform of the transformer substation;
FIG. 2 is a step diagram of an oil metal detection method in an oil metal detection module;
FIG. 3 is a structural diagram illustrating a state of an oil metal detection device in the oil metal detection module;
FIG. 4 is a structural diagram of a second state of the oil metal detection device in the oil metal detection module;
FIG. 5 is a schematic structural diagram of a top view of a wheel in the oil metal detection device;
FIG. 6 is a schematic structural diagram of a carrier assembly extending into an oil collecting cylinder in the oil metal detection device;
FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;
FIG. 8 is a view showing a friction plate contacting a friction rotating wheel in the oil metal detecting device.
In the figure: 1. a support frame; 2. a connecting plate; 3. an oil inlet pipe; 4. an oil outlet pipe; 5. an upper oil chamber; 6. an oil collecting cylinder; 7. rotating the disc; 8. a lower oil chamber; 9. a solution pool; 10. a hydrochloric acid tank; 11. a waste liquid tank; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. a push cylinder; 15. a carrying assembly; 16. rotating the rod; 17. a connecting rod; 18. a friction rotation wheel; 19. a filter screen; 20. a friction plate; 61. a clamping assembly; 71. a collecting station 72 and a cleaning station; 73. a dissolving station; 74. rotating the station; 151. connecting blocks; 152. a pressing cylinder; 153. a contact block; 154. a pressing block; 611. a spring support bar; 612. and (7) clamping blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A safety monitoring and management platform for a transformer substation comprises a processor, a display module, an induction detection module and an oil metal detection module. The induction detection module comprises an ultrasonic sensor, an electromagnetic wave sensor and an infrared temperature measurement sensor and is used for detecting the transformer of the transformer substation in real time; the display module is used for displaying the detected data; the processor is used for carrying out centralized processing on the obtained data; the oil metal detection module is used for detecting the metal content in the oil.
Specifically, the method for detecting the oil metal by the oil metal detection module comprises the following steps:
s1: pumping out oil in the transformer oil tank and filtering to obtain metal chips;
s2: after the surface of the metal chips is washed away, the metal chips are immersed in a hydrochloric acid solution to form an ionic solution;
s3: and detecting the ion content of the ionic solution by using the ion selective electrode to obtain the ion content.
In order to realize the method, the oil metal detection module comprises an oil metal detection device, and the oil metal and fixed security detection device comprises an upper oil cavity 5 and a lower oil cavity 8 which are arranged on the support frame 1, a ceramic filter screen 19 for oil filtration, a rotating disc 7 for supporting and enabling the ceramic filter screen 19 to rotate and shift, and a solution pool 9 for dissolving metal in the ceramic filter screen 19.
Specifically, the support frame 1 is fixedly connected with a transformer box body through a connecting plate 2, an oil inlet pipe 3 is arranged at an oil inlet end of an upper oil cavity 5, the oil inlet pipe 3 is communicated with the transformer oil tank and the upper oil cavity 5, an oil outlet pipe 4 is arranged at an oil outlet end of a lower oil cavity 8, the oil outlet pipe 4 is communicated with the transformer oil tank and the lower oil cavity 8, a plurality of oil receiving cylinders 6 which are annularly distributed by taking the central axis of the rotating disc 7 as the center and are parallel to the central axis are arranged on the rotating disc 7, and ceramic filter screens 19 are installed inside the oil receiving cylinders 6 through clamping assemblies 61; the oil collecting cylinder 6 is used for connecting an oil outlet end of the upper oil cavity 5 with an oil inlet end of the lower oil cavity 8, the oil outlet end of the upper oil cavity 5 and the oil inlet end of the lower oil cavity 8 are both provided with electric control valves, and the oil inlet pipe 3 and the oil outlet pipe 4 are provided with oil pumps to realize oil circulation.
Further, the collecting station 71 on one side of the wheel changing disc 7 is located between the upper oil cavity 5 and the lower oil cavity 8, an oil inlet of the oil receiving cylinder 6 located on the collecting station 71 is correspondingly communicated with an oil outlet of the upper oil cavity 5, an oil outlet of the oil receiving cylinder 6 is correspondingly communicated with an oil inlet of the lower oil cavity 8, the other side of the wheel changing disc 7 is provided with a dissolving station 73, a pushing cylinder 14 is arranged above the dissolving station 73 of the wheel changing disc 7, a working end of the pushing cylinder 14 faces downwards and is fixedly provided with a carrying component 15 used for moving the ceramic filter screen 19, a uncovered solution pool 9 is arranged below the dissolving station 73 of the wheel changing disc 7, and the carrying component 15 can be pushed into the solution pool 9 by the pushing cylinder 14 after the carrying component 15 grabs the filter screen 19.
Preferably, the clamping assembly 61 includes a spring support rod 611 and a fixture block 612, which are horizontally arranged, the spring support rod 611 is composed of a telescopic rod and a spring outside the telescopic rod, one end of the spring support rod 611 is fixedly connected to the bottom of a groove on the inner wall of the oil cylinder 6, the other end of the spring support rod 611 is fixedly connected to the fixture block 612, the upper surface of the fixture block 612 is a plane, an inclined plane which inclines upward is arranged on the lower surface of the fixture block 612 on the side close to the filter screen 19, and a clamping hole corresponding to the fixture block 612 is arranged at the upper end of the ceramic filter screen 19. The fixture block 612 is clamped into the clamping hole of the filter screen 19 to form a longitudinal positioning for the filter screen 19.
Further, the carrying assembly 15 comprises a connecting block 151, a pressing cylinder 152, a contact block 153 and a pressing block 154, the connecting block 151 is fixedly connected with the working end of the pushing cylinder 14, the pressing cylinder 152 is horizontally arranged on the side surface of the connecting block 151, the working end of the pressing cylinder 152 is fixedly provided with a contact block 153, the contact block 153 is used for contacting and supporting the inner wall of the filter screen 19, one side of the contact block 153 is provided with a pressing block 154 corresponding to the latch 612, the pressing block 154 can press the fixture block 612 inside the fastening hole of the filter screen 19, the spring in the spring support rod 611 is compressed, the fixture block 612 retracts into the groove on the inner wall of the oil receiving cylinder 6, the contact block 153 contacts with the inner wall supporting the filter screen 19, the pressing block 154 enters the clamping hole of the filter screen 19, and at this time, the pushing cylinder 14 pushes the carrying assembly 15 and the filter screen 19 to move downwards and enter the solution tank 9. After the solution is finished, when the pushing cylinder 14 pulls the filter screen 19 upwards, the connecting block 151 of the carrying assembly 15 can push the fixture block 612 to retract into the groove on the inner wall of the oil receiving cylinder 6 again, when the pressing block 154 is aligned with the groove on the inner wall of the oil receiving cylinder 6 again, the pressing cylinder 152 contracts, the fixture block 612 returns to be clamped into the clamping hole of the filter screen 19, and the oil receiving cylinder 6 is fixedly connected with the filter screen 19 again.
Further, 1 one side of support frame sets up hydrochloric acid case 10 and waste liquid case 11, hydrochloric acid case 10 passes through feed liquor pipe 12 and solution tank 9's upper portion space intercommunication, waste liquid case 11 passes through drain pipe 13 and solution tank 9's lower part space intercommunication, and feed liquor pipe 12 and drain pipe 13 automatically controlled valve get into solution tank 9 when filter screen 19, and feed liquor pipe 12 opens, and the inside hydrochloric acid solution of hydrochloric acid case 10 gets into solution tank 9, and hydrochloric acid solution reacts with the inside metal of filter screen 19, forms the solution that contains metal ion, and solution tank 9's bottom sets up ion selectivity electrode for test metal ion solution metal content. In the embodiment, the copper ion and iron ion selective electrodes are mainly used for measurement, so that the contents of the copper ion and the iron ion are obtained.
Further, set up vertical rotary rod 16 on the support frame 1, the lower extreme fixed connection rotating electrical machines of rotary rod 16, the upper end fixed connection wheel change dish 7 of rotary rod 16, it sets up connecting rod 17 to rotate on the wheel change dish 7, the one end fixed connection receiving oil section of thick bamboo 6 of connecting rod 17, connecting rod 17 middle part is fixed to set up friction swiveling wheel 18.
Further, a cleaning station 72 and a rotating station 74 are arranged between the collecting station 71 and the dissolving station 73 of the wheel changing disc 7, the bottom of the rotating rod 16 is fixedly connected with a motor for driving the wheel changing disc 7 to rotate so as to change the position of the oil collecting cylinder 6, and the oil collecting cylinder 6 sequentially passes through the collecting station 71, the cleaning station 72, the dissolving station 73 and the rotating station 74.
Further, a spraying device is arranged at the upper end of the cleaning station 72 and used for removing oil on the surface of the metal chips; the upper end of rotatory station 74 sets up friction plate 20, the position of friction plate 20 corresponds with the position of friction swiveling wheel 18, and when receiving oil drum 6 through rotatory station 74, friction swiveling wheel 18 and the contact of friction plate 20, friction plate 20 drives the rotation of friction swiveling wheel 18, makes the upset of the oil drum 6 of receiving of connecting rod 17 one end, and the inside impurity of connecting rod 17 can be poured, can prevent that the inside impurity of filter screen 19 is too much, blocks up the mesh of filter screen 19, makes filter screen 19 totally reentrant collection station 71 again.
The working process of the oil metal detection device is that the rotating rod 16 drives the wheel changing disc 7 to rotate, the oil collecting cylinder 6 sequentially passes through the collecting station 71, the cleaning station 72, the dissolving station 73 and the rotating station 74, when the oil collecting cylinder 6 is positioned at the collecting station 71, the oil collecting cylinder 6 is communicated with the upper oil cavity 5 and the lower oil cavity 8, oil in the transformer enters the upper oil cavity 5 from the oil inlet pipe 3, then enters the lower oil cavity 8 from the upper oil cavity 5 through the oil collecting cylinder 6, and finally enters the transformer from the oil outlet pipe 4, the filter screen 19 is arranged in the oil collecting cylinder 6 and can filter the oil in the transformer, and after a period of time, a part of metal particles are deposited in the filter screen 19; when the wheel changing disc 7 rotates again, the next oil collecting cylinder 6 enters the collecting station 71, the oil collecting cylinder 6 with metal particles inside enters the cleaning station 72, and the cleaning liquid is sprayed out by the spraying device to clean the metal particles; then the oil collecting cylinder 6 enters the dissolving station 73, at the same time, the pushing cylinder 14 pushes the carrying component 15 to enter the upper end of the oil collecting cylinder 6, the filter screen 19 is separated from the oil collecting cylinder 6 by pressing the cylinder, the filter screen 19 and metal particles in the filter screen are brought into the solution tank 9, the liquid inlet pipe 12 is opened, hydrochloric acid in the hydrochloric acid tank 10 enters the solution tank 9, dissolving metal particles to form a solution containing metal ions, arranging an ion selective electrode at the bottom of the solution pool 9, is used for testing the metal content of the metal ion solution, after the test is finished, the liquid outlet pipe 13 is opened, the ion solution enters the waste liquid box 11, at this time, some unreacted impurities remain in the filter screen 19, the air cylinder 14 is pushed to drive the filter screen 19 to return to the oil recovery cylinder 6 again, and after reaching the corresponding position, the carrying component loosens the filter screen 19, and the fixture block 612 returns to enable the filter screen 19 to be fixed on the oil collecting cylinder 6 again; the oil collecting cylinder 6 enters the rotating station 74, the friction rotating wheel 18 is in contact with the friction plate 20, the friction plate 20 drives the friction rotating wheel 18 to rotate, the oil collecting cylinder 6 at one end of the connecting rod 17 is enabled to turn over, impurities in the connecting rod 17 can be poured out, and after the impurities are led out, the oil collecting cylinder 6 and the filter screen 19 enter the collecting station 71 again.
The method for detecting the metal content of the oil in real time in the embodiment is simple, has a filtering function, can filter the oil in the transformer, can detect metal ions in filter residues to obtain the metal types and the metal content in the oil of the transformer, can automatically complete periodic detection of the oil without manual operation, and is convenient to detect.
In order to accelerate the detection efficiency, the detection platform is also provided with a database and a comparison module, wherein the database is used for storing data interval values corresponding to the induction detection module and the oil metal detection module when the transformer has common faults and is used as a data standard for later judgment. And the comparison module is used for comparing the detection data with the data in the database and detecting the fault.
In order to improve the data volume in the database, common faults of the transformer can be caused artificially, the monitoring platform is used for detecting the fault transformer, the obtained monitoring data of the transformer in different faults are stored in the database, the data volume in the database is improved, and the detection efficiency is improved.
The transformer substation safety monitoring management platform in the embodiment is used for detecting electromagnetic waves, sound waves, temperature and oil metal ion quantity of a transformer of the transformer substation to obtain reference quantity generated by faults, and analyzing and comparing the reference quantity to obtain prompts of various faults, so that the transformer substation safety monitoring management platform is convenient to overhaul.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The transformer substation safety monitoring management platform is characterized by comprising an induction detection module and an oil metal detection module, wherein the oil metal detection module comprises the following steps:
s1: pumping out oil in the transformer oil tank and filtering to obtain metal chips;
s2: after the surface of the metal chips is washed away, the metal chips are immersed in a hydrochloric acid solution to form an ionic solution;
s3: detecting the ion content of the ionic solution by using an ion selective electrode to obtain the ion content;
the oil metal detection module comprises an oil metal detection device, and the oil metal detection device comprises a support frame (1), an upper oil cavity (5) and a lower oil cavity (8) which are fixedly arranged on the support frame (1), a ceramic filter screen (19) for oil filtration, a wheel changing disc (7) for supporting and enabling the ceramic filter screen (19) to rotate and shift, and a solution pool (9) for dissolving metal in the ceramic filter screen (19); the oil collecting cylinder (6) which is annularly distributed by taking the central axis of the wheel changing disc (7) as the center and is parallel to the central axis is arranged on the wheel changing disc (7), and the ceramic filter screen (19) is arranged in the oil collecting cylinder (6) through a clamping assembly (61);
the oil collecting device is characterized in that a collecting station (71) on one side of the wheel changing disc (7) is located between an upper oil cavity (5) and a lower oil cavity (8), an oil inlet of an oil collecting cylinder (6) at the collecting station (71) is communicated with an oil outlet of the upper oil cavity (5) correspondingly, an oil outlet of the oil collecting cylinder (6) is communicated with an oil inlet of the lower oil cavity (8) correspondingly, a dissolving station (73) is arranged on the other side of the wheel changing disc (7), a pushing cylinder (14) is arranged above the dissolving station (73) of the wheel changing disc (7), a carrying assembly (15) used for moving the ceramic filter screen (19) is arranged downwards and fixedly at the working end of the pushing cylinder (14), and a cover-free solution pool (9) is arranged below the dissolving station (73) of the wheel changing disc (7).
2. The substation safety monitoring and management platform according to claim 1, wherein an oil inlet pipe (3) is arranged at an oil inlet end of the upper oil cavity (5), the oil inlet pipe (3) is communicated with the transformer oil tank and the upper oil cavity (5), an oil outlet pipe (4) is arranged at an oil outlet end of the lower oil cavity (8), the oil outlet pipe (4) is communicated with the transformer oil tank and the lower oil cavity (8), and oil pumps are arranged on the oil inlet pipe (3) and the oil outlet pipe (4) to realize oil circulation.
3. The substation safety monitoring and management platform according to claim 1, wherein the clamping assembly (61) comprises a spring support rod (611) and a clamping block (612) which are horizontally arranged, the spring support rod (611) comprises an expansion rod and a spring outside the expansion rod, one end of the spring support rod (611) is fixedly connected with the bottom of a groove in the inner wall of the oil cylinder (6), the other end of the spring support rod (611) is fixedly connected with the clamping block (612), and a clamping hole corresponding to the clamping block (612) is formed in the upper end of the ceramic filter screen (19).
4. The substation safety monitoring and management platform according to claim 3, wherein the carrying assembly (15) comprises a connecting block (151), a pressing cylinder (152), a contact block (153) and a pressing block (154), the connecting block (151) is fixedly connected with a working end of the pushing cylinder (14), the pressing cylinder (152) is horizontally arranged on the side surface of the connecting block (151), the contact block (153) is fixedly arranged at the working end of the pressing cylinder (152), and the pressing block (154) corresponding to the clamping block (612) is arranged on one side of the contact block (153).
5. The substation safety monitoring and management platform according to claim 4, characterized in that a hydrochloric acid tank (10) and a waste liquid tank (11) are arranged on one side of the support frame (1), the hydrochloric acid tank (10) is communicated with the upper space of the solution pool (9) through a liquid inlet pipe (12), and the waste liquid tank (11) is communicated with the lower space of the solution pool (9) through a liquid outlet pipe (13).
6. The substation safety monitoring and management platform according to claim 1, 2 or 5, wherein a vertical rotary rod (16) is arranged on the support frame (1), the rotary rod (16) is fixedly connected with a wheel changing disc (7), a connecting rod (17) is rotatably arranged on the wheel changing disc (7), one end of the connecting rod (17) is fixedly connected with an oil receiving cylinder (6), and a friction rotating wheel (18) is fixedly arranged in the middle of the connecting rod (17).
7. The substation safety monitoring and management platform according to claim 6, wherein a cleaning station (72) and a rotating station (74) are arranged between the collecting station (71) and the dissolving station (73) of the switching disc (7), and the oil collecting cylinder (6) sequentially passes through the collecting station (71), the cleaning station (72), the dissolving station (73) and the rotating station (74);
a spraying device is arranged at the upper end of the cleaning station (72) and is used for removing oil on the surface of metal chips; the upper end of the rotating station (74) is provided with a friction plate (20), and the position of the friction plate (20) corresponds to the position of the friction rotating wheel (18).
CN202010857791.5A 2020-08-24 2020-08-24 Safety monitoring management platform of transformer substation Active CN111965227B (en)

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CN202010857791.5A CN111965227B (en) 2020-08-24 2020-08-24 Safety monitoring management platform of transformer substation

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CN111965227B true CN111965227B (en) 2021-04-20

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Citations (5)

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