CN112599341B - Power transformer with short circuit alarm function - Google Patents
Power transformer with short circuit alarm function Download PDFInfo
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- CN112599341B CN112599341B CN202011380723.0A CN202011380723A CN112599341B CN 112599341 B CN112599341 B CN 112599341B CN 202011380723 A CN202011380723 A CN 202011380723A CN 112599341 B CN112599341 B CN 112599341B
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- fixedly connected
- alarm
- oil tank
- heat dissipation
- oil
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 2
- 238000007790 scraping Methods 0.000 claims 2
- 239000000428 dust Substances 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
-
- 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
- H01F27/022—Encapsulation
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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
-
- 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
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- 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
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to the technical field of power transformers and discloses a power transformer with a short circuit alarm function, which comprises a bottom plate, wherein an oil tank is fixedly connected to the upper surface of the bottom plate, two support rods are fixedly connected to the top of the oil tank, an oil conservator is fixedly connected to the tops of the support rods, an alarm box is fixedly connected to one side of the oil tank, a second fixed shaft is fixedly connected to the inner wall of one side of the alarm box, a rotating rod is movably connected to one side of the second fixed shaft, and an alarm lamp is movably connected to one side of the rotating rod. The alarm lamp can be moved out of the alarm box by pulling the cover plate through the pull rope, so that the device can give an alarm to workers in time after short circuit occurs, the safety of the device is improved, the temperature in the oil tank can be reduced through the heat dissipation fins, the heat of oil in the oil tank can be dissipated, dust on the heat dissipation fins can be cleaned through the scraper, and the influence on the heat dissipation efficiency due to excessive dust accumulation on the heat dissipation fins is avoided.
Description
Technical Field
The invention relates to the technical field of power transformers, in particular to a power transformer with a short-circuit alarm function.
Background
As is known, a power transformer is a static electrical device, which is a device for changing an ac voltage (current) of a certain value into another voltage (current) of a different value with the same frequency or several different values, when an ac current is applied to a primary winding, an alternating magnetic flux is generated, the alternating magnetic flux induces an ac electromotive force in a secondary winding through the magnetic conduction of an iron core, and the level of the secondary electromotive force is related to the number of turns of the primary winding, i.e. the voltage is proportional to the number of turns.
The condition of short circuit can appear when using power transformer, if can not in time report to the police, will cause very big influence to people's use, but power transformer who uses on the existing market when using, can not in time report to the police to staff and field personnel after taking place the short circuit, perhaps alarm device exposes outside for a long time, reduces the life of device, so urgently need one kind have alarming function and carry out the power transformer who protects alarm mechanism.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a power transformer with a short-circuit alarm function, which mainly aims to solve the problem that the device cannot timely alarm workers and field personnel after short circuit occurs.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
a power transformer with a short circuit warning function comprises a bottom plate, wherein an oil tank is fixedly connected to the upper surface of the bottom plate, a plurality of low-voltage sleeves and a plurality of high-voltage sleeves are fixedly connected to the top of the oil tank, two support rods are fixedly connected to the top of the oil tank, an oil conservator is fixedly connected to the top of each support rod, an alarm box is fixedly connected to one side of the oil tank, a loudspeaker is fixedly connected to one side of the alarm box, a partition plate is fixedly connected to the inner wall of one side of the alarm box, a contact switch is fixedly connected to the upper surface of the partition plate, a mounting plate is fixedly connected to the inner wall of one side of the alarm box, an electromagnet is fixedly connected to the upper surface of the mounting plate, a second fixing shaft is fixedly connected to the inner wall of one side of the alarm box, a rotating rod is movably connected to one side of the second fixing shaft, an alarm lamp is movably connected to one side of the rotating rod, and a first sliding rail is fixedly connected to the inner wall of the top of the alarm box, and the alarm lamp is connected with the first slide rail in a sliding manner, one side of the rotating rod is fixedly connected with a tension spring, one end of the tension spring is fixed with the alarm box, the inner wall of one side of the alarm box is movably connected with a first fixed shaft, one side of the first fixed shaft is fixedly connected with a first wire wheel and a second wire wheel, one end of the first fixed shaft is fixedly connected with a torsion spring, one end of the torsion spring is fixed with the alarm box, the outer wall of one side of the alarm box is movably connected with a pulley, the top of the alarm box is fixedly connected with a second slide rail, one side of the second slide rail is movably connected with a cover plate, one side of the cover plate is fixedly connected with a second spring, one end of the second spring is fixed with the alarm box, one sides of the first wire wheel and the second wire wheel are respectively wound with a pull rope, one end of the pull rope is fixed with the rotating rod, and the other end of the pull rope is fixed with the cover plate by being wound around the pulley, the bottom inner wall fixedly connected with battery and the controller of alarm box, when the device is normal, the dwang can be held to the electro-magnet production suction, and when the device short circuit, the electro-magnet loses magnetic force for the one end of dwang leaves the electro-magnet.
Further, two fixed plates of one side outer wall fixedly connected with of oil tank, one side fixedly connected with heat dissipation case of fixed plate, one side fixedly connected with oil pipe of heat dissipation case, and oil pipe and oil tank are linked together, the bottom fixedly connected with oil pump of heat dissipation case, and the oil pump is linked together with the oil tank. .
As a further scheme of the invention, the top of the heat dissipation box is fixedly connected with a mounting rack, one side of the mounting rack is fixedly connected with a fan, and one side of the oil tank is provided with a cleaning mechanism.
Further, clean the mechanism and include the transfer line, the transfer line rotates with the mounting bracket to be connected, the first bevel gear of one side fixedly connected with of transfer line, one side fixedly connected with second bevel gear of fan, and first bevel gear meshes with the second bevel gear mutually, the equal fixedly connected with second band pulley in both ends of transfer line, one side wraparound drive belt of second band pulley, the equal swing joint in both sides of mounting bracket has first band pulley, and first band pulley and drive belt wraparound mutually, one side fixedly connected with fixed block of drive belt, one side swing joint of fixed block have the turning block, and one side swing joint of turning block has the link, and one side swing joint of link has first spring, one side fixedly connected with scraper blade of link, and the scraper blade contacts with the heat dissipation wing.
On the basis of the scheme, one side of the heat dissipation box is fixedly connected with a plurality of heat dissipation fins.
As a further scheme of the invention, the bottom of the oil conservator is fixedly connected with a visible pipe, and the visible pipe is communicated with the oil tank.
Furthermore, one side fixedly connected with level gauge of conservator, and one side of level gauge is equipped with the scale interval.
As a further scheme of the invention, wire grooves are fixedly connected to two sides of the oil tank.
(III) advantageous effects
Compared with the prior art, the invention provides a power transformer with a short circuit alarm function, which has the following beneficial effects:
1. through the setting of connecting the extension spring on the dwang, the one end of dwang leaves the electro-magnet during the circuit short circuit, and the other end of extension spring pulling dwang upwards lifts up and stimulates the stay cord to the pulling apron makes the warning light can shift out the alarm box, makes the device can in time report to the police to the staff after taking place the short circuit, has improved the security of device.
2. Through the setting of connecting the fan on the mounting bracket, the fan not only can provide power for cleaning the mechanism, can also reduce the temperature of heat dissipation wing, makes the heat of heat dissipation wing can obtain giving off to make the heat dissipation wing can more efficient absorb the heat of oil in the oil tank, make the radiating effect of device more high-efficient.
3. Through the setting of connecting the second spring on the apron, the second spring kick-backs and can promote apron automatic re-setting, makes the apron shelter from the warning light, avoids alarm device to expose for a long time and causes ageing outside, has improved the life of warning light.
4. Through the setting of connecting the scraper blade on the mounting bracket, the transfer line rotates and drives the link and remove, makes the scraper blade can reciprocate in the mounting bracket to make the scraper blade clear up the dust on the heat dissipation wing, avoid the capable dust of heat dissipation wing to pile up too much influence radiating efficiency, improved the radiating effect of device.
5. Through the setting of connecting visual pipe on the conservator, in oil in the oil tank meets thermal expansion and enters into the conservator through visual pipe, whether the staff can observe whether have oil to enter into the conservator through visual pipe, makes things convenient for the staff to know the state of oil.
Drawings
Fig. 1 is a schematic view of a power transformer with a short-circuit alarm function according to the present invention;
fig. 2 is a schematic rear view of a power transformer with a short-circuit alarm function according to the present invention;
fig. 3 is a schematic diagram of a point B enlarged structure of a power transformer with a short circuit alarm function according to the present invention;
fig. 4 is a schematic diagram of an enlarged structure of a point a of a power transformer with a short-circuit alarm function according to the present invention;
fig. 5 is a schematic diagram of a testing structure of a power transformer with a short-circuit alarm function according to the present invention;
fig. 6 is a schematic cross-sectional structural view of an alarm box of a power transformer with a short-circuit alarm function according to the present invention.
In the figure: 1. a base plate; 2. an oil tank; 3. an alarm box; 4. a speaker; 5. a heat dissipation box; 6. a high voltage bushing; 7. a liquid level meter; 8. a visual tube; 9. an oil conservator; 10. a low-pressure bushing; 11. a wire slot; 12. heat dissipation fins; 13. a squeegee; 14. an oil pump; 15. a transmission belt; 16. a fixing plate; 17. a first pulley; 18. a mounting frame; 19. a transmission rod; 20. a first bevel gear; 21. a fan; 22. a fixed block; 23. a connecting frame; 24. rotating the block; 25. a first spring; 26. a second pulley; 27. an oil pipe; 28. a contact switch; 29. a storage battery; 30. a controller; 31. mounting a plate; 32. a partition plate; 33. a first fixed shaft; 34. a first reel; 35. a second reel; 36. a pulley; 37. pulling a rope; 38. a second spring; 39. a cover plate; 40. a tension spring; 41. a second fixed shaft; 42. rotating the rod; 43. an electromagnet; 44. a torsion spring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a power transformer with short circuit alarm function comprises a base plate 1, an oil tank 2 is fixed on the upper surface of the base plate 1 through bolts, a plurality of low-voltage bushings 10 and a plurality of high-voltage bushings 6 are fixed on the top of the oil tank 2 through bolts, two support rods are fixed on the top of the oil tank 2 through bolts, an oil conservator 9 is fixed on the top of each support rod through bolts, an alarm box 3 is fixed on one side of the oil tank 2 through bolts, a loudspeaker 4 is fixed on one side of the alarm box 3 through bolts, the loudspeaker 4 can amplify the alarm sound so that a worker can clearly hear the alarm sound to timely handle the short circuit of the oil tank 2, a partition plate 32 is fixed on the inner wall of one side of the alarm box 3 through bolts, a contact switch 28 is fixed on the upper surface of the partition plate 32 through bolts, and a mounting plate 31 is fixed on the inner wall of one side of the alarm box 3 through bolts, an electromagnet 43 is fixed on the upper surface of the mounting plate 31 through bolts, a second fixing shaft 41 is fixed on the inner wall of one side of the alarm box 3 through bolts, a rotating rod 42 is rotatably connected on one side of the second fixing shaft 41, an alarm lamp is slidably connected on one side of the rotating rod 42, when the device is normal, the electromagnet 43 can generate suction to suck the rotating rod 42, so that the alarm lamp can be kept in the alarm box 3, a first sliding rail is fixed on the inner wall of the top of the alarm box 3 through bolts, and the alarm lamp is slidably connected with the first sliding rail, a tension spring 40 is welded on one side of the rotating rod 42, one end of the tension spring 40 is fixed with the alarm box 3, a first fixing shaft 33 is rotatably connected on the inner wall of one side of the alarm box 3, a first line wheel 34 and a second line wheel 35 are fixed on one side of the first fixing shaft 33 through bolts, a torsion spring 44 is welded on one end of the first fixing shaft 33, and one end of the torsion spring 44 is fixed with the alarm box 3, the outer wall of one side of the alarm box 3 is rotatably connected with a pulley 36, the top of the alarm box 3 is fixed with a second sliding rail through a bolt, one side of the second sliding rail is slidably connected with a cover plate 39, one side of the cover plate 39 is fixed with a second spring 38 through a bolt, one end of the second spring 38 is fixed with the alarm box 3, the second spring 38 rebounds to push the cover plate 39 to automatically reset, so that the cover plate 39 can shield the alarm lamp, the alarm device is prevented from aging due to long-time exposure outside, the service life of the alarm lamp is prolonged, one sides of the first wire wheel 34 and the second wire wheel 35 are respectively wound with a pull rope 37, one end of the pull rope 37 is fixed with a rotating rod 42, the other end of the pull rope 37 is fixed with the cover plate 39 by winding the pulley 36, one end of the rotating rod 42 leaves an electromagnet 43 when the circuit is short-circuited, so that the other end of the rotating rod 42 is pulled by the tension spring 40 to lift upwards and pull the pull rope 37, thereby pulling apron 39 makes the warning light shift out alarm box 3, makes the device can in time report to the police to staff and field personnel after taking place the short circuit, and the bottom inner wall of alarm box 3 is fixed with battery 29 and controller 30 through the bolt, and when the device is normal, electro-magnet 43 can produce suction and hold dwang 42, and when the device short circuit, electro-magnet 43 loses magnetic force for the one end of dwang 42 leaves electro-magnet 43.
In the novel oil tank, two fixing plates 16 are fixed on the outer wall of one side of an oil tank 2 through bolts, a heat dissipation tank 5 is fixed on one side of each fixing plate 16 through bolts, an oil pipe 27 is fixed on one side of each heat dissipation tank 5 through bolts, the oil pipe 27 is communicated with the oil tank 2, an oil pump 14 is fixed on the bottom of each heat dissipation tank 5 through bolts, the oil pump 14 is communicated with the oil tank 2, the oil pump 14 pumps oil in the oil tank 2, the oil flows in the oil pipes 27 and then enters the oil tank 2 again, a mounting frame 18 is fixed on the top of each heat dissipation tank 5 through bolts, a fan 21 is fixed on one side of the mounting frame 18 through bolts, a cleaning mechanism is arranged on one side of the oil tank 2, the fan 21 can not only provide power for the cleaning mechanism, but also can reduce the temperature of the heat dissipation tank 5, so that the heat in the heat dissipation tanks 5 can be dissipated, and the heat dissipation effect of the device is more efficient, the cleaning mechanism comprises a transmission rod 19, the transmission rod 19 is rotatably connected with a mounting frame 18, one side of the transmission rod 19 is fixedly provided with a first bevel gear 20 through a bolt, one side of a fan 21 is fixedly provided with a second bevel gear through a bolt, the first bevel gear 20 is meshed with the second bevel gear, both ends of the transmission rod 19 are fixedly provided with a second belt wheel 26 through a bolt, one side of the second belt wheel 26 is connected with a transmission belt 15 in a winding manner, both sides of the mounting frame 18 are rotatably connected with a first belt wheel 17, the first belt wheel 17 is connected with the transmission belt 15 in a winding manner, one side of the transmission belt 15 is fixedly provided with a fixed block 22 through a bolt, one side of the fixed block 22 is rotatably connected with a rotating block 24, one side of the rotating block 24 is slidably connected with a connecting frame 23, one side of the connecting frame 23 is sleeved with a first spring 25, one side of the connecting frame 23 is fixedly provided with a scraper 13 through a bolt, the scraper 13 is in contact with a heat dissipation fin 12, one side of a heat dissipation box 5 is fixedly provided with a plurality of heat dissipation fins 12 through a bolt, the driving rod 19 rotates to drive the connecting frame 23 to move, so that the scraper 13 can move up and down in the mounting frame 18, thereby leading the scraper 13 to clean the dust on the radiating fins 12 and avoiding the dust on the radiating fins 12 from being accumulated too much to influence the radiating efficiency, the visual pipe 8 is fixed at the bottom of the oil conservator 9 through a bolt, and the visual pipe 8 is communicated with the oil tank 2, the oil in the oil tank 2 is expanded by heat and enters the oil conservator 9 through the visual pipe 8, a worker can observe whether the oil enters the oil conservator 9 or not through the visual pipe 8, one side of the oil conservator 9 is fixed with the liquid level meter 7 through a bolt, the liquid level meter 7 is convenient for the worker to observe the oil amount in the oil conservator 9, and one side of level gauge 7 is equipped with the scale interval, and the both sides of oil tank 2 are passed through the bolt fastening and are had wire casing 11, and wire casing 11 conveniently accomodates the arrangement to the connecting wire of device, avoids the connecting wire to cause the potential safety hazard in a jumble manner.
The working principle of the embodiment is as follows: when the device is short-circuited, the electromagnet 43 loses magnetic force, so that one end of the rotating rod 42 leaves the electromagnet 43, the tension spring 40 pulls the other end of the rotating rod 42 to lift upwards, the rotating rod 42 pulls the pull rope 37, the pull rope 37 pulls the first wire wheel 34 to rotate, the first wire wheel 34 drives the first fixed shaft 33 to rotate, the first fixed shaft 33 drives the second wire wheel 35 to rotate, the second wire wheel 35 drives the other pull rope 37 to contract and pulls the cover plate 39 to compress the second spring 38 to slide backwards, one end of the rotating rod 42 lifts upwards and drives the alarm lamp to move upwards along the first sliding rail, so that the alarm lamp moves to the outside of the oil tank 2 to give an alarm, when the oil tank 2 needs to be radiated, the oil pump 14 is started, the oil pump 14 pumps the oil in the oil tank 2, the oil flows in the radiating tank 5 and then reenters the oil tank 2, and the radiating fins 12 absorb heat, the temperature of the oil in the oil tank 2 can be diffused, the fan 21 is started, the fan 21 drives the second bevel gear and the first bevel gear 20 to rotate, the first bevel gear 20 drives the second belt wheel 26 on the transmission rod 19 to rotate, so that the transmission belt 15 is driven on the first belt wheel 17 and the second belt wheel 26, then the transmission belt 15 drives the fixed block 22 to drive the rotating block 24 to move, the rotating block 24 drives the scraper 13 on the connecting frame 23 to move upwards, when the rotating block 24 moves to the other side of the transmission belt 15, the rotating block 24 extrudes the first spring 25, and the rotating block 24 drives the scraper 13 on the connecting frame 23 to move downwards, so that the scraper 13 cleans dust on the heat dissipation fins 12.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A power transformer with a short circuit alarm function comprises a bottom plate (1) and is characterized in that an oil tank (2) is fixedly connected to the upper surface of the bottom plate (1), a plurality of low-voltage sleeves (10) and a plurality of high-voltage sleeves (6) are fixedly connected to the top of the oil tank (2), two support rods are fixedly connected to the top of the oil tank (2), an oil conservator (9) is fixedly connected to the top of each support rod, an alarm box (3) is fixedly connected to one side of the oil tank (2), a loudspeaker (4) is fixedly connected to one side of the alarm box (3), a partition plate (32) is fixedly connected to the inner wall of one side of the alarm box (3), a contact switch (28) is fixedly connected to the upper surface of the partition plate (32), a mounting plate (31) is fixedly connected to the inner wall of one side of the alarm box (3), and an electromagnet (43) is fixedly connected to the upper surface of the mounting plate (31), a second fixing shaft (41) is fixedly connected to the inner wall of one side of the alarm box (3), a rotating rod (42) is movably connected to one side of the second fixing shaft (41), an alarm lamp is movably connected to one side of the rotating rod (42), a first sliding rail is fixedly connected to the inner wall of the top of the alarm box (3), the alarm lamp is slidably connected with the first sliding rail, a tension spring (40) is fixedly connected to one side of the rotating rod (42), one end of the tension spring (40) is fixed to the alarm box (3), a first fixing shaft (33) is movably connected to the inner wall of one side of the alarm box (3), a first wire wheel (34) and a second wire wheel (35) are fixedly connected to one side of the first fixing shaft (33), a torsion spring (44) is fixedly connected to one end of the first fixing shaft (33), one end of the torsion spring (44) is fixed to the alarm box (3), a pulley (36) is movably connected to the outer wall of one side of the alarm box (3), the top of the alarm box (3) is fixedly connected with a second slide rail, one side of the second slide rail is movably connected with a cover plate (39), one side of the cover plate (39) is fixedly connected with a second spring (38), one end of a second spring (38) is fixed with the alarm box (3), one side of the first wire wheel (34) and one side of the second wire wheel (35) are respectively wound and connected with a pull rope (37), one end of the pull rope (37) is fixed with the rotating rod (42), the other end of the pull rope (37) is fixed with the cover plate (39) by winding the pulley (36), the inner wall of the bottom of the alarm box (3) is fixedly connected with a storage battery (29) and a controller (30), when the device is normal, the electromagnet (43) can generate suction to suck the rotating rod (42), when the device is short-circuited, the electromagnet (43) loses magnetic force, so that one end of the rotating rod (42) leaves the electromagnet (43).
2. The power transformer with the short circuit warning function according to claim 1, wherein two fixing plates (16) are fixedly connected to the outer wall of one side of the oil tank (2), a heat dissipation tank (5) is fixedly connected to one side of the fixing plates (16), an oil pipe (27) is fixedly connected to one side of the heat dissipation tank (5), the oil pipe (27) is communicated with the oil tank (2), an oil pump (14) is fixedly connected to the bottom of the heat dissipation tank (5), and the oil pump (14) is communicated with the oil tank (2).
3. The power transformer with the short circuit warning function according to claim 2, wherein a mounting rack (18) is fixedly connected to the top of the heat dissipation box (5), a fan (21) is fixedly connected to one side of the mounting rack (18), and a cleaning mechanism is arranged on one side of the oil tank (2).
4. The power transformer with the short circuit warning function according to claim 3, wherein the cleaning mechanism comprises a transmission rod (19), the transmission rod (19) is rotatably connected with the mounting frame (18), a first bevel gear (20) is fixedly connected to one side of the transmission rod (19), a second bevel gear is fixedly connected to one side of the fan (21), the first bevel gear (20) is meshed with the second bevel gear, a second belt wheel (26) is fixedly connected to both ends of the transmission rod (19), a transmission belt (15) is wound on one side of the second belt wheel (26), a first belt wheel (17) is movably connected to both sides of the mounting frame (18), the first belt wheel (17) is wound on the transmission belt (15), a fixed block (22) is fixedly connected to one side of the transmission belt (15), and a rotating block (24) is movably connected to one side of the fixed block (22), one side of the rotating block (24) is movably connected with a connecting frame (23), one side of the connecting frame (23) is movably connected with a first spring (25), one side of the connecting frame (23) is fixedly connected with a scraping plate (13), and the scraping plate (13) is in contact with the heat dissipation fins (12).
5. The power transformer with short circuit alarm function according to claim 2, characterized in that a plurality of heat dissipation fins (12) are fixedly connected to one side of the heat dissipation box (5).
6. The power transformer with the short circuit alarm function according to claim 1, wherein a visual pipe (8) is fixedly connected to the bottom of the conservator (9), and the visual pipe (8) is communicated with the oil tank (2).
7. The power transformer with the short circuit alarm function according to claim 1, wherein a level gauge (7) is fixedly connected to one side of the conservator (9), and a scale value is arranged on one side of the level gauge (7).
8. The power transformer with short circuit alarm function according to claim 1, characterized in that wire slots (11) are fixedly connected to both sides of the oil tank (2).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114151686B (en) * | 2021-11-25 | 2023-06-09 | 国网福建省电力有限公司南平供电公司 | Intelligent management and control system for power transmission inspection |
| CN116130214B (en) * | 2023-04-18 | 2023-06-20 | 江苏鼎鑫电气有限公司 | Transformer convenient to outage detects |
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