CN114910825A - Power transformer fault diagnosis monitoring devices - Google Patents
Power transformer fault diagnosis monitoring devices Download PDFInfo
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- CN114910825A CN114910825A CN202210531531.8A CN202210531531A CN114910825A CN 114910825 A CN114910825 A CN 114910825A CN 202210531531 A CN202210531531 A CN 202210531531A CN 114910825 A CN114910825 A CN 114910825A
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- box body
- side wall
- gas transmission
- fixedly connected
- transformer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a power transformer fault diagnosis monitoring device, which relates to the technical field of transformers and comprises the following components: the monitoring device comprises a box body, a monitoring device and a monitoring device, wherein monitoring components are arranged on the left side and the right side of the box body; a seal assembly; a gas delivery device; a voltage-variable component; when the temperature-rise type gas transmission device is used, when a winding in the transformer fails, the temperature in the box body rises, the monitoring assembly changes color and drives the sealing assembly to work, the gas transmission device cannot be sealed, the gas transmission device flushes sulfur hexafluoride gas filled in the box body into the box body under the action of temperature change, so that the pressure in the box body is increased, the pressure-change assembly seals the connecting pipe at the moment, the oil gasified due to temperature rise is prevented from being discharged through the connecting pipe, and the sulfur hexafluoride gas has good electric insulation performance and excellent arc extinguishing performance, so that the internal elements of the transformer can be well protected when the temperature in the transformer rises, and time is provided for overhaul of maintainers.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a power transformer fault diagnosis and monitoring device.
Background
The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions of the transformer are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers. The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. In electrical equipment and wireless circuits, transformers are often used to step up and down voltage, match impedance, safety isolation, etc. In a generator, an electric potential can be induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked with the coil varies, which is the principle of mutual induction. A transformer is a device for transforming voltage, current and impedance by using mutual electromagnetic induction. In its most basic form, a transformer comprises two sets of windings wound with conductive wire and inductively coupled to each other. When an alternating current flows in one of the coils, an alternating voltage having the same frequency is induced in the other coil, and the magnitude of the induced voltage depends on the degree of coupling and magnetic linkage between the two coils.
At present, transformer with conservator, when using, because transformer winding trouble, make the part around the winding generate heat, lead to transformer temperature unusual, make transformer oil gasification phenomenon appear, cause the waste of oil, but present transformer fault diagnosis monitoring devices, can't accomplish when transformer inside temperature is unusual, accomplish good sealed to the transformer, and can audio-visually demonstrate transformer temperature unusual, make maintainer untimely to the transformer maintenance, lead to the transformer to damage completely unable use, we propose a power transformer fault diagnosis monitoring devices for this reason and solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, due to transformer winding faults, parts around a winding are heated, so that transformer temperature is abnormal, and transformer oil is gasified in quadrants, but the conventional transformer fault diagnosis monitoring device cannot well seal a transformer when the temperature in the transformer is abnormal, can visually display the transformer temperature abnormality, so that a maintainer cannot timely maintain the transformer, and the transformer is completely damaged and cannot be used.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power transformer fault diagnosis monitoring device comprising:
the cooling device comprises a box body, wherein the front side and the rear side of the box body are fixedly connected with cooling fins, an oil conservator is installed at the top of the box body, a connecting pipe is installed at one side, close to the oil conservator, of the top of the box body, monitoring components are installed at the left side and the right side of the box body, and the monitoring components are used for changing colors according to the temperature change inside the box body;
the sealing assembly is driven by the monitoring assembly and is arranged inside the left side wall and the right side wall of the box body;
the gas transmission devices are arranged on the left side and the right side of the box body and used for entering the box body when the temperature in the box body rises to oil gasification;
press the subassembly, press to change the unit mount and be in the inside of connecting pipe, press to change the subassembly and be used for when gas transmission device is defeated gas, it is right the connecting pipe seals.
Preferably, the monitoring assembly comprises a glass cover, a heat absorbing plate, a connecting spring and a connecting block, wherein the inner side wall of the glass cover is in sliding connection with the outer side wall of the heat absorbing plate, the outer side wall of the heat absorbing plate is relatively sealed with the inner side wall of the glass cover, one end of the connecting spring is fixedly connected with one side of the heat absorbing plate, one side, close to the heat absorbing plate, of the connecting block is fixedly connected with the other end of the connecting spring, the outer side wall of the connecting block is fixedly connected with the inner side wall of the glass cover, the inner side wall of the glass cover and the other side, far away from the connecting spring, of the heat absorbing plate are filled with nitrogen dioxide gas, and the glass cover comprises one side of the connecting block and the left side and the right side of the box body.
Preferably, the sealing assembly comprises a pull rope, a wire roller, a rotating shaft, a torsion spring, a sealing plate and a through hole; one end of the pull rope is wound on the outer side wall of the wire roller, the inner side wall of the wire roller is fixedly connected with the outer side wall of the rotating shaft, one side of the wire roller, away from the sealing plate, is fixedly connected with one end of the torsion spring, the torsion spring is sleeved on the outer side wall of the rotating shaft, the inner side wall of the sealing plate is fixedly connected with the outer side wall of the rotating shaft, and the sealing plate is fixedly connected with the other side of the wire roller, away from the torsion spring.
Preferably, the gas transmission device comprises a gas transmission box, a heat conduction block, a sliding plate and a gas inlet pipe; the inner side wall of the gas transmission box is in sliding connection with the inner side wall of the sliding plate, the inner side wall of the gas transmission box is sealed relative to the outer side wall of the sliding plate, the heat conduction block is installed on one side, close to the box body, of the gas transmission box, the gas inlet pipe is installed on one side, close to the box body, of the gas transmission box, carbon dioxide gas is filled at the bottom of the sliding plate, and sulfur hexafluoride gas is filled at the top of the sliding plate.
Preferably, the pressure-variable component comprises a connecting frame, a carbon fiber sleeve, a sealing ring and a connecting hole; the top of the connecting frame is attached to the bottom of the carbon fiber sleeve, the top of the carbon fiber sleeve is matched with the bottom of the sealing ring, and the connecting hole is formed in the middle of the sealing ring.
Preferably, the other end of the pull rope is fixedly connected with the middle part of one side, close to the connecting spring, of the heat absorbing plate, the end part of the rotating shaft is rotatably connected with the inner parts of the left side wall and the right side wall of the box body, and the other end of the torsion spring is fixedly connected with the inner parts of the left side wall and the right side wall of the box body.
Preferably, the side wall of the air inlet pipe is in sliding connection with the side wall of the sealing plate, and the aperture of the air inlet pipe is the same as that of the through hole.
Preferably, the connecting frame is fixedly connected to the bottom of the inner side wall of the connecting pipe, and the outer side wall of the sealing ring is fixedly connected to the inner side wall of the connecting pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. when the temperature-rise type gas transmission device is used, when a winding in the transformer fails, the temperature in the box body rises, the monitoring assembly changes color and drives the sealing assembly to work, the gas transmission device cannot be sealed, the gas transmission device flushes sulfur hexafluoride gas filled in the box body into the box body under the action of temperature change, so that the pressure in the box body is increased, the pressure-change assembly seals the connecting pipe at the moment, the oil gasified due to temperature rise is prevented from being discharged through the connecting pipe, and the sulfur hexafluoride gas has good electric insulation performance and excellent arc extinguishing performance, so that the internal elements of the transformer can be well protected when the temperature in the transformer rises, and time is provided for overhaul of maintainers.
2. When the transformer internal winding fault detection device is used, when a winding in the transformer is in fault, the internal temperature of the box body rises, the internal oil temperature of the box body is transmitted to the monitoring assembly, the red-brown nitrogen dioxide in the monitoring assembly is converted into the tawny dinitrogen tetroxide, personnel can determine the internal temperature condition of the box body according to the color change, and the heat absorption plates in the monitoring assembly slide towards two sides due to the fact that two volumes of nitrogen dioxide are converted into one volume of dinitrogen tetroxide, so that the inspection personnel can know the internal temperature change of the transformer in time conveniently, and power is provided for the work of the internal structure of the transformer.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a power transformer fault diagnosis monitoring device according to the present invention;
fig. 2 is a schematic diagram of a three-dimensional middle cut-away structure of a power transformer fault diagnosis monitoring device according to the present invention;
fig. 3 is a schematic three-dimensional structure diagram of a monitoring assembly and a sealing assembly of a power transformer fault diagnosis monitoring device according to the present invention;
fig. 4 is a schematic structural view of a power transformer fault diagnosis monitoring device according to the present invention, which is a cross-sectional structure of a three-dimensional solid side surface;
fig. 5 is an enlarged schematic structural diagram of a point a in fig. 2 of a power transformer fault diagnosis monitoring device according to the present invention;
fig. 6 is an enlarged schematic structural diagram of a power transformer fault diagnosis monitoring device according to the present invention, which is shown at B in fig. 2;
fig. 7 is an enlarged schematic structural diagram of a power transformer fault diagnosis monitoring device according to the present invention, shown at C in fig. 3.
In the figure: 1. a box body; 2. a heat sink; 3. an oil conservator; 4. a connecting pipe; 5. a monitoring component; 51. a glass cover; 52. a heat absorbing plate; 53. a connecting spring; 54. connecting blocks; 6. a seal assembly; 61. pulling a rope; 62. a wire roller; 63. a rotating shaft; 64. a torsion spring; 65. a sealing plate; 66. a through hole; 7. a gas delivery device; 71. a gas transmission tank; 72. a heat conducting block; 73. a slide plate; 74. an air inlet pipe; 8. a voltage-variable component; 81. a connecting frame; 82. carbon fiber sleeves; 83. a seal ring; 84. and connecting the holes.
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.
Referring to fig. 1-7, a power transformer fault diagnosis monitoring device includes:
the cooling device comprises a box body 1, wherein cooling fins 2 are fixedly connected to the front side and the rear side of the box body 1, an oil conservator 3 is installed at the top of the box body 1, a connecting pipe 4 is installed at one side, close to the oil conservator 3, of the top of the box body 1, monitoring assemblies 5 are installed on the left side and the right side of the box body 1, and the monitoring assemblies 5 are used for changing colors according to the temperature change inside the box body 1;
the sealing assembly 6 is driven by the monitoring assembly 5, and the sealing assembly 6 is arranged inside the left side wall and the right side wall of the box body 1;
the gas transmission devices 7 are arranged on the left side and the right side of the box body 1, and the gas transmission devices 7 are used for entering the box body 1 when the temperature in the box body 1 rises to oil gasification;
the pressure-variable component 8 is arranged inside the connecting pipe 4, and the pressure-variable component 8 is used for sealing the connecting pipe 4 when the gas transmission device 7 transmits gas;
through the setting of above-mentioned structure, realized when the transformer intensifies, prevented that the temperature from rising gasified oil and passing through connecting pipe 4 discharges to accomplish when the transformer is inside to heat up, carry out good protection to transformer inner member, for maintainer's maintenance time of striving for, be convenient for patrol and examine personnel in time know the inside temperature variation of transformer.
Wherein, the monitoring assembly 5 comprises a glass cover 51, a heat absorbing plate 52, a connecting spring 53 and a connecting block 54, the inner side wall of the glass cover 51 is slidably connected with the outer side wall of the heat absorbing plate 52, the outer side wall of the heat absorbing plate 52 is relatively sealed with the inner side wall of the glass cover 51, one end of the connecting spring 53 is fixedly connected with one side of the heat absorbing plate 52, one side of the connecting block 54 close to the heat absorbing plate 52 is fixedly connected with the other end of the connecting spring 53, the outer side wall of the connecting block 54 is fixedly connected with the inner side wall of the glass cover 51, the inner side wall of the glass cover 51 and the other side of the heat absorbing plate 52 far away from the connecting spring 53 are filled with nitrogen dioxide gas, one side of the glass cover 51 including the connecting block 54 is fixedly connected with the left side and the right side of the box body 1, (in addition, when needing to be described, two volumes of nitrogen dioxide are converted into a volume of dinitrogen tetroxide when the temperature rises, and the color of the nitrogen dioxide is brownish red, dinitrogen tetroxide is yellow brown in color);
through the setting of above-mentioned structure, realized when the internal temperature vary voltage of transformer, through monitoring subassembly 5's colour change for the personnel of patrolling and examining can audio-visually know the internal temperature change of transformer, and provide partial power for the work of transformer inner structure.
Wherein, the sealing component 6 comprises a pull rope 61, a wire roller 62, a rotating shaft 63, a torsion spring 64, a sealing plate 65 and a through hole 66; one end of the pull rope 61 is wound on the outer side wall of the wire roller 62, the inner side wall of the wire roller 62 is fixedly connected with the outer side wall of the rotating shaft 63, one side, away from the sealing plate 65, of the wire roller 62 is fixedly connected with one end of the torsion spring 64, the torsion spring 64 is sleeved on the outer side wall of the rotating shaft 63, the inner side wall of the sealing plate 65 is fixedly connected with the outer side wall of the rotating shaft 63, and the sealing plate 65 is fixedly connected with the other side, away from the torsion spring 64, of the wire roller 62;
through the arrangement of the structure, when the temperature in the transformer rises to a certain value, the gas transmission device 7 can perform gas transmission operation, and when the transformer is normally heated, the gas in the gas transmission device 7 enters the transformer to cause waste.
Wherein, the gas transmission device 7 comprises a gas transmission box 71, a heat conduction block 72, a sliding plate 73 and an air inlet pipe 74; the inner side wall of the gas transmission box 71 is in sliding connection with the inner side wall of the sliding plate 73, the inner side wall of the gas transmission box 71 is sealed relative to the outer side wall of the sliding plate 73, the heat conduction block 72 is installed on one side, close to the box body 1, of the gas transmission box 71, the gas inlet pipe 74 is installed on one side, close to the box body 1, of the gas transmission box 71, the bottom of the sliding plate 73 is filled with carbon dioxide gas, and the top of the sliding plate 73 is filled with sulfur hexafluoride gas;
through the setting of above-mentioned structure, when the inside temperature of box 1 rose to a definite value, gas transmission device 7 was gaseous with the sulfur hexafluoride of inside packing down in pouring box 1 under the temperature variation effect this moment for the inside pressure increase of box 1, and because the sulfur hexafluoride is gaseous has good electric insulating properties and excellent arc extinguishing performance, can accomplish when the transformer is inside to heat up, carry out good protection to transformer inner member, strived for the time for maintainer's maintenance.
The pressure-variable component 8 comprises a connecting frame 81, a carbon fiber sleeve 82, a sealing ring 83 and a connecting hole 84; the top of the connecting frame 81 is attached to the bottom of the carbon fiber sleeve 82, the top of the carbon fiber sleeve 82 is matched with the bottom of the sealing ring 83, and the connecting hole 84 is formed in the middle of the sealing ring 83;
through the setting of above-mentioned structure, when the inside temperature of box 1 risees to certain extent, through gas transmission device 7's setting for the inside pressure increase of box 1, it seals connecting pipe 4 to press the subassembly 8 to become this moment, prevents that the gasified oil of temperature rising from discharging through connecting pipe 4, causes the waste of oil and causes unnecessary conflagration to take place.
The other end of the pull rope 61 is fixedly connected with the middle part of one side of the heat absorbing plate 52 close to the connecting spring 53, the end part of the rotating shaft 63 is rotatably connected with the inside of the left side wall and the right side wall of the box body 1, and the other end of the torsion spring 64 is fixedly connected with the inside of the left side wall and the right side wall of the box body 1.
Wherein, the side wall of the air inlet pipe 74 is connected with the side wall of the sealing plate 65 in a sliding way, and the aperture of the air inlet pipe 74 is the same as that of the through hole 66.
Wherein, the connecting frame 81 is fixedly connected to the bottom of the inner side wall of the connecting pipe 4, and the outer side wall of the sealing ring 83 is fixedly connected to the inner side wall of the connecting pipe 4.
In the invention, when the windings in the transformer have faults, the temperature in the box body 1 rises, at the moment, the oil temperature in the box body 1 is transmitted to the nitrogen dioxide gas through the heat absorbing plate 52, so that the red nitrogen dioxide is converted into the tawny nitrogen tetroxide gas, and because the two volumes of nitrogen dioxide can be converted into one volume of dinitrogen tetroxide, the pressure intensity in the space formed by the heat absorbing plate 52 and the glass cover 51 is reduced, at the moment, the transformer oil in the box body 1 can push the heat absorbing plate 52 to slide relatively, further pulling the pull rope 61 to drive the wire roller 62 to rotate, so that the rotating shaft 63 rotates, the rotation of the wire roller 62 compresses the torsion spring 64 until the color of the brown red is completely converted into yellow brown, and an inspector can visually know the temperature change of the transformer through the color change in the glass cover 51 so as to judge whether the winding in the transformer breaks down;
at this time, the through hole 66 is over against the air inlet pipe 74, and in the process of the temperature rise of the transformer, the heat conduction block 72 transfers the oil temperature effect and the carbon dioxide gas (the thermal expansion coefficient of the carbon dioxide is larger) at the bottom of the sliding plate 73, so that the carbon dioxide is heated to expand and push the sliding plate 73 to move upwards, sulfur hexafluoride gas filled at the top of the sliding plate 73 is flushed into the box body 1 through the air inlet pipe 74, the internal pressure of the box body 1 is increased, the carbon fiber sleeve 82 moves upwards and is attached to the bottom of the sealing ring 83 to seal the connecting pipe 4, the oil gasification caused by the temperature rise in the transformer is prevented from being discharged through the connecting pipe 4, and because the sulfur hexafluoride gas has good electrical insulation performance and excellent arc extinguishing performance, the internal elements of the transformer can be well protected when the temperature rise in the transformer, and the time is won for the overhaul of the maintainers, and unnecessary waste and safety threats caused by damage to the inside of the transformer to a greater extent when the temperature rises are prevented.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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 (8)
1. A power transformer fault diagnosis monitoring devices characterized by, includes:
the cooling device comprises a box body (1), wherein cooling fins (2) are fixedly connected to the front side and the rear side of the box body (1), an oil conservator (3) is installed at the top of the box body (1), a connecting pipe (4) is installed at one side, close to the oil conservator (3), of the top of the box body (1), monitoring components (5) are installed on the left side and the right side of the box body (1), and the monitoring components (5) are used for changing colors according to the temperature change inside the box body (1);
the sealing assembly (6) is driven by the monitoring assembly (5), and the sealing assembly (6) is installed inside the left side wall and the right side wall of the box body (1);
the gas transmission devices (7) are installed on the left side and the right side of the box body (1), and the gas transmission devices (7) are used for entering the box body (1) when the temperature in the box body (1) rises to oil gasification;
press and become subassembly (8), press and become subassembly (8) and install the inside of connecting pipe (4), press and become subassembly (8) and be used for when gas transmission device (7) gas transmission, it is right connecting pipe (4) seal.
2. The power transformer fault diagnosis and monitoring device according to claim 1, wherein the monitoring assembly (5) comprises a glass cover (51), a heat absorbing plate (52), a connecting spring (53) and a connecting block (54), the inner side wall of the glass cover (51) is slidably connected with the outer side wall of the heat absorbing plate (52), the outer side wall of the heat absorbing plate (52) is sealed opposite to the inner side wall of the glass cover (51), one end of the connecting spring (53) is fixedly connected with one side of the heat absorbing plate (52), one side of the connecting block (54) close to the heat absorbing plate (52) is fixedly connected with the other end of the connecting spring (53), the outer side wall of the connecting block (54) is fixedly connected with the inner side wall of the glass cover (51), and the other side of the glass cover (51) and the heat absorbing plate (52) far away from the connecting spring (53) are filled with nitrogen dioxide gas, the glass cover (51) comprises a connecting block (54), and one side of the connecting block is fixedly connected with the left side and the right side of the box body (1).
3. A power transformer fault diagnosis monitoring device according to claim 1, characterized in that the sealing assembly (6) comprises a pull rope (61), a wire roller (62), a rotating shaft (63), a torsion spring (64), a sealing plate (65) and a through hole (66); the one end winding of stay cord (61) is in on the lateral wall of line roller (62), the inside wall of line roller (62) with the lateral wall fixed connection of pivot (63), line roller (62) are kept away from one side of closing plate (65) with the one end fixed connection of torsion spring (64), torsion spring (64) cover is established on the lateral wall of pivot (63), the inside wall of closing plate (65) with the lateral wall fixed connection of pivot (63), closing plate (65) with line roller (62) are kept away from the opposite side fixed connection of torsion spring (64).
4. A power transformer fault diagnosis monitoring device according to claim 1, characterized in that the gas transmission device (7) comprises a gas transmission tank (71), a heat conduction block (72), a sliding plate (73) and an air inlet pipe (74); the inner side wall of the gas transmission box (71) is in sliding connection with the inner side wall of the sliding plate (73), the inner side wall of the gas transmission box (71) is sealed relative to the outer side wall of the sliding plate (73), the heat conduction block (72) is installed on one side, close to the box body (1), of the gas transmission box (71), the gas inlet pipe (74) is installed on one side, close to the box body (1), of the gas transmission box (71), carbon dioxide gas is filled at the bottom of the sliding plate (73), and sulfur hexafluoride gas is filled at the top of the sliding plate (73).
5. A power transformer fault diagnosis monitoring device according to claim 1, characterized in that the voltage transformer assembly (8) comprises a connecting frame (81), a carbon fiber sleeve (82), a sealing ring (83) and a connecting hole (84); the top of the connecting frame (81) is attached to the bottom of the carbon fiber sleeve (82), the top of the carbon fiber sleeve (82) is matched with the bottom of the sealing ring (83), and the connecting hole (84) is formed in the middle of the sealing ring (83).
6. A power transformer failure diagnosis and monitoring device according to claim 3, characterized in that the other end of the pulling rope (61) is fixedly connected with the middle part of the heat absorbing plate (52) near the side of the connecting spring (53), the end of the rotating shaft (63) is rotatably connected with the inside of the left and right side walls of the box body (1), and the other end of the torsion spring (64) is fixedly connected with the inside of the left and right side walls of the box body (1).
7. A power transformer fault diagnosis and monitoring device according to claim 4, characterized in that the side wall of the air inlet pipe (74) is connected with the side wall of the sealing plate (65) in a sliding manner, and the aperture of the air inlet pipe (74) is the same as that of the through hole (66).
8. A power transformer fault diagnosis and monitoring device according to claim 5, characterized in that the connection frame (81) is fixedly connected to the bottom of the inner side wall of the connection pipe (4), and the outer side wall of the sealing ring (83) is fixedly connected with the inner side wall of the connection pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210531531.8A CN114910825A (en) | 2022-05-16 | 2022-05-16 | Power transformer fault diagnosis monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210531531.8A CN114910825A (en) | 2022-05-16 | 2022-05-16 | Power transformer fault diagnosis monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114910825A true CN114910825A (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210531531.8A Withdrawn CN114910825A (en) | 2022-05-16 | 2022-05-16 | Power transformer fault diagnosis monitoring devices |
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| Country | Link |
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| CN (1) | CN114910825A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110685A (en) * | 2023-03-24 | 2023-05-12 | 鲁特电工股份有限公司 | Power transformer fault diagnosis device |
-
2022
- 2022-05-16 CN CN202210531531.8A patent/CN114910825A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116110685A (en) * | 2023-03-24 | 2023-05-12 | 鲁特电工股份有限公司 | Power transformer fault diagnosis device |
| CN116110685B (en) * | 2023-03-24 | 2023-09-01 | 鲁特电工股份有限公司 | Power transformer fault diagnosis device |
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