CN216772999U

CN216772999U - Oil-immersed transformer oil tank with oil supplementing structure

Info

Publication number: CN216772999U
Application number: CN202123099603.6U
Authority: CN
Inventors: 何晓军; 唐晓勇; 任竹玲
Original assignee: Shaanxi Youfu Electric Power Engineering Design Co ltd
Current assignee: Shaanxi Youfu Electric Power Engineering Design Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-17
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses an oil-immersed transformer oil tank with an oil supplementing structure, which comprises an oil tank body, wherein an oil adding pipe head is arranged at the upper end of the oil tank body, a movable floating plate is arranged at the upper end of the middle part in the oil adding pipe head, a fixed port is formed in the lower end of the middle part on the right side of an inner cavity of the oil adding pipe head, a touch switch is arranged in the inner part of the fixed port, and oil conveying pipes are arranged at the upper end of the middle part on the right side of the outer part of the oil adding pipe head through electromagnetic valves. The movable guide wheel is driven to rotate when the movable floating plate moves in the oil filling pipe head, the flexibility of the movable floating plate in the moving process is increased through the movable guide wheel, the friction force in the moving process is reduced, when the movable floating plate moves to the opposite position of the fixed opening, the movable guide wheel is pushed to move towards one side of the fixed opening through the fixed spring in an extrusion state, the movable guide wheel is in contact with the touch switch, and the movable guide wheel is prevented from being incapable of being in contact with and extruded with the outside of the touch switch in the moving process.

Description

Oil-immersed transformer oil tank with oil supplementing structure

Technical Field

The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer oil tank with an oil supplementing structure.

Background

At present, the transformer is a very important and common equipment, and oil-immersed transformer tank is at the in-process that uses, because there is the steam pocket inside the oil, will need mend oil when the bubble is discharged, but a lot of oil supplementing devices that have now all adopt mechanical connection to mend oil, if machinery breaks down then can not be timely mend oil, and because the density of oil is great, will increase mechanical motion's frictional force, the delay is great during making mechanical motion, efficiency when will reducing the mended oil.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil tank with an oil supplementing structure for an oil immersed transformer, and aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an oil-immersed transformer oil tank with mend oil structure, includes the oil tank body, oil tank body upper end is provided with oil pipe head, the inside middle part upper end of oil pipe head is provided with movable kickboard, the fixed port has been seted up to oil pipe head inner chamber right side middle part lower extreme, the inside touch switch that is provided with of fixed port, oil pipe head outside right side middle part upper end all is provided with defeated oil pipe through the solenoid valve, oil tank body upper end is provided with the oil storage frame in one side that lies in oil pipe head, oil storage frame right side middle part lower extreme is provided with liquid level controller, oil storage frame upper end is provided with the self priming pump, the output and the defeated oil pipe bottom fixed connection of self priming pump, touch switch and liquid level controller are all through wire and self priming pump electric connection.

Preferably, an oil pumping pipe is arranged at the bottom end of the self-priming pump, the bottom end of the oil pumping pipe penetrates through the upper end of the oil storage frame and extends to the bottom end inside the oil storage frame, and a connecting hole is formed in the middle of the upper end of the oil storage frame.

Preferably, the mounting opening has all been seted up to activity kickboard both sides, the inside one side of mounting opening all is provided with fixed spring, fixed spring all is provided with movable guide pulley in the one end of keeping away from the mounting opening, fixed mouthful outside one side all is provided with the silica gel piece.

Preferably, the periphery of the outside of the movable guide wheel and the periphery of the inner cavity of the fixed opening are polished, the fixed springs are made of spring steel, and the middle part of the movable floating plate is provided with a feeding through groove.

Preferably, the upper end of the oil filling pipe head is of a hopper-shaped structure, the inner cavity of the oil filling pipe head is of a rectangular structure when being overlooked, the movable floating plate is of a rectangular structure, and the movable guide wheel is provided with mounting notches at opposite positions of the fixed spring.

Preferably, the upper end of the oil filling pipe head is provided with a fixed cover, the upper end of the right side of the outer part of the oil filling pipe head is provided with an oil filling port at the opposite position of the oil filling pipe head, and the middle part of the left side of the outer part of the oil filling pipe head is provided with a glass plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the steam pocket in the oil tank body is gradually discharged and reduced, the utility model can lead the movable floating plate to move towards the lower end of the inner cavity of the oil filling pipe head, when the movable floating plate moves to the relative position of the fixed opening, the movable guide wheel can be pushed by the fixed spring to move towards one side of the inner part of the fixed opening, so that the movable guide wheel is contacted and extruded with the touch switch, and starting a self-priming pump and an electromagnetic valve to pump away the oil in the oil storage frame through an oil pumping pipe and convey the oil to the interior of an oil feeding pipe head through an oil conveying pipe to automatically supplement the oil, when the casting of the oil body in the oil storage frame is reduced, the liquid level surface of the oil in the oil storage frame can be moved to the relative position of the liquid level controller, the automatic oil supplementing mechanism has the advantages that the electromagnetic valve and the self-sucking pump are closed to stop oil supplementing operation, the automatic oil supplementing mechanism is more rapid in automatic oil supplementing, and the situations of slow adding and failure caused by the density of oil materials in the oil supplementing process can be prevented;

2. the movable guide wheel is driven to rotate when the movable floating plate moves in the oil filling pipe head, the flexibility of the movable floating plate in the moving process is increased through the movable guide wheel, the friction force in the moving process is reduced, when the movable floating plate moves to the opposite position of the fixed opening, the movable guide wheel is pushed to move towards one side of the fixed opening through the fixed spring in an extrusion state, the movable guide wheel is in contact with the touch switch, and the movable guide wheel is prevented from being incapable of being in contact with and extruded with the outside of the touch switch in the moving process.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an oil tank of an oil-immersed transformer with an oil supply structure according to the present invention;

FIG. 2 is an enlarged structural diagram of the oil tank A of the oil-immersed transformer in FIG. 1 with an oil supplementing structure according to the present invention;

fig. 3 is an enlarged structural diagram at B in fig. 1 in an oil tank of an oil-immersed transformer with an oil supplementing structure according to the present invention.

In the figure: 1. an oil tank body; 2. a liquid level controller; 3. an oil storage frame; 4. an oil pumping pipe; 5. a self-priming pump; 6. an oil delivery pipe; 7. a tubing head; 8. a fixed cover; 9. a movable floating plate; 10. a glass plate; 11. a movable guide wheel; 12. an installation port; 13. fixing the spring; 14. a silica gel sheet; 15. a fixed port; 16. a touch switch.

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. 1-3, the present invention provides a technical solution: an oil tank of an oil-immersed transformer with an oil supplementing structure comprises an oil tank body 1, an oil adding pipe head 7 is arranged at the upper end of the oil tank body 1, the upper end of the middle part in the oil adding pipe head 7 is provided with a movable floating plate 9, the lower end of the middle part at the right side of the inner cavity of the oil adding pipe head 7 is provided with a fixed port 15, a touch switch 16 is arranged in the fixed port 15, the upper end of the middle part of the right side outside the oil feeding pipe head 7 is provided with an oil conveying pipe 6 through an electromagnetic valve, an oil storage frame 3 is arranged at one side of the oil feeding pipe head 7 at the upper end of the oil tank body 1, a liquid level controller 2 is arranged at the lower end of the middle part of the right side of the oil storage frame 3, the upper end of the oil storage frame 3 is provided with a self-priming pump 5, the output end of the self-priming pump 5 is fixedly connected with the bottom end of an oil pipeline 6, touch switch 16 and liquid level controller 2 all pass through wire and self priming pump 5 electric connection, and touch switch 16 and liquid level controller 2 all pass through wire and solenoid valve electric connection.

An oil pumping pipe 4 is arranged at the bottom end of the self-sucking pump 5, the bottom end of the oil pumping pipe 4 penetrates through the upper end of the oil storage frame 3 and extends to the inner bottom end of the oil storage frame 3, a connecting hole is formed in the middle of the upper end of the oil storage frame 3, so that when the steam pocket in the oil tank body 1 is gradually discharged and reduced, the movable floating plate 9 can be moved towards the lower end of the inner cavity of the oil filling pipe head 7, when the movable floating plate 9 is moved to the relative position of the fixed port 15, the movable guide wheel 11 can be pushed by the fixed spring 13 to move towards one side inside the fixed port 15, the movable guide wheel 11 is in contact with the touch switch 16 to be extruded, the self-sucking pump 5 and the electromagnetic valve are started to pump the oil in the oil storage frame 3 through the oil pumping pipe 4, the oil is conveyed to the inside of the oil filling pipe head 7 through the oil conveying pipe 6 to be automatically replenished, when an oil body casting in the oil storage frame 3 is reduced, the liquid level controller can enable the liquid level of the oil storage frame 3 to move to the relative position of the liquid level controller 2, thereby closing the solenoid valve and the self-priming pump 5 to stop the oil replenishing operation.

Installing port 12 has all been seted up to activity kickboard 9 both sides, the inside one side of installing port 12 all is provided with fixed spring 13, fixed spring 13 all is provided with movable guide pulley 11 in the one end of keeping away from installing port 12, fixed port 15 outside one side all is provided with silica gel sheet 14, and activity kickboard 9 will drive movable guide pulley 11 and rotate when adding oil pipe head 7 internal shifting like this, and increases the flexibility of activity kickboard 9 in the removal in-process through activity guide pulley 11 and reduces the frictional force that removes, and when activity kickboard 9 removed fixed port 15's relative position, will promote movable guide pulley 11 through fixed spring 13 that is extrusion state and remove toward fixed port 15 one side to make activity guide pulley 11 and touch switch 16 contact, prevent that activity guide pulley 11 can't extrude with touch switch 16 external contact when removing.

All through polishing treatment around the outside of activity guide pulley 11 and fixed mouthful 15 inner chambers all around, fixed spring 13 all adopts spring steel matter to make, reinforced logical groove has been seted up at activity kickboard 9 middle part, prevents like this through reinforced logical groove at activity kickboard 9 middle part to make the condition that blocks to the oil when using to increase the elasticity and the life-span of fixed spring 13 in the use through spring steel matter.

The upper end of the oil feeding pipe head 7 is of a hopper-shaped structure, the inner cavity of the oil feeding pipe head 7 is of a rectangular structure when being overlooked, the movable floating plate 9 is of a rectangular structure, the movable guide wheel 11 is provided with mounting notches at the relative position of the fixed spring 13, and therefore the movable floating plate 9 and the movable floating plate 7 are of a rectangular structure, so that the movable floating plate 9 can be prevented from being deviated when moving, and the movable guide wheel 11 and the touch switch 16 cannot be contacted.

The upper end of the oil adding pipe head 7 is provided with a fixed cover 8, the upper end of the outer right side of the oil adding pipe head 7 is provided with an oil filling port at the relative position of the oil adding pipe head 7, the middle part of the outer left side of the oil adding pipe head 7 is provided with a glass plate 10, so that the position of oil inside the oil adding pipe head 7 can be observed through the glass plate 10 conveniently, and the fixed cover 8 is used for preventing the outer fixed sundries from falling into the oil adding pipe head 7 to cause the blocking condition.

The working principle is as follows: when the steam pocket in the oil tank body 1 is gradually discharged and reduced, the movable floating plate 9 can be moved towards the lower end of the inner cavity of the oil filling pipe head 7, when the movable floating plate 9 is moved to the relative position of the fixed opening 15, the movable guide wheel 11 can be pushed by the fixed spring 13 to move towards one side of the inner part of the fixed opening 15, the movable guide wheel 11 is in contact with the touch switch 16 for extrusion, the self-sucking pump 5 and the electromagnetic valve are started to suck the oil in the oil storage frame 3 through the oil sucking pipe 4, and the oil is conveyed into the oil filling pipe head 7 through the oil conveying pipe 6 for automatic oil filling, when an oil casting in the oil storage frame 3 is reduced, the liquid level of the oil in the oil storage frame 3 can be moved to the relative position of the liquid level controller 2, so that the electromagnetic valve and the self-sucking pump 5 are closed to stop the oil filling operation, the mechanism is more rapid in the automatic oil filling process, and can also prevent the oil self density of the oil in the oil filling process, resulting in slow addition and failure.

Simultaneously, when the movable floating plate 9 moves in the oil filling pipe head 7, the movable guide wheel 11 is driven to rotate, the flexibility of the movable floating plate 9 in the moving process is increased through the movable guide wheel 11, the friction force in the moving process is reduced, when the movable floating plate 9 moves to the relative position of the fixed port 15, the movable guide wheel 11 is pushed to move towards one side of the fixed port 15 through the fixed spring 13 in an extrusion state, the movable guide wheel 11 is in contact with the touch switch 16, and the movable guide wheel 11 is prevented from being extruded by external contact with the touch switch 16 when moving.

It is noted that, herein, relational terms such as first and second, and the like may be 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil-immersed transformer oil tank with mend oily structure, includes oil tank body (1), its characterized in that: an oil feeding pipe head (7) is arranged at the upper end of the oil tank body (1), a movable floating plate (9) is arranged at the upper end of the middle part inside the oil feeding pipe head (7), the lower end of the middle part of the right side of the inner cavity of the oil adding pipe head (7) is provided with a fixed port (15), a touch switch (16) is arranged in the fixed port (15), the upper end of the middle part of the right side outside the oil feeding pipe head (7) is provided with an oil conveying pipe (6) through an electromagnetic valve, an oil storage frame (3) is arranged at one side of the oil feeding pipe head (7) at the upper end of the oil tank body (1), the lower end of the middle part of the right side of the oil storage frame (3) is provided with a liquid level controller (2), the upper end of the oil storage frame (3) is provided with a self-priming pump (5), the output end of the self-priming pump (5) is fixedly connected with the bottom end of an oil delivery pipe (6), the touch switch (16) and the liquid level controller (2) are electrically connected with the self-priming pump (5) through a lead.

2. The oil-filled transformer oil tank with the oil supplementing structure according to claim 1, characterized in that: oil pipe (4) are provided with in self priming pump (5) bottom, oil pipe (4) bottom is taken out and is passed oil storage frame (3) upper end and stretches the inside bottom of oil storage frame (3), the connecting hole has been seted up at oil storage frame (3) upper end middle part.

3. The oil-filled transformer oil tank with the oil supplementing structure according to claim 1, characterized in that: installing ports (12) are formed in two sides of the movable floating plate (9), fixing springs (13) are arranged on one sides of the inner portions of the installing ports (12), movable guide wheels (11) are arranged at the ends, away from the installing ports (12), of the fixing springs (13), and silica gel sheets (14) are arranged on one sides of the outer portions of the fixing ports (15).

4. The oil-filled transformer oil tank with the oil supplementing structure according to claim 3, characterized in that: the periphery of the outside of the movable guide wheel (11) and the periphery of the inner cavity of the fixed opening (15) are polished, the fixed springs (13) are made of spring steel materials, and the middle of the movable floating plate (9) is provided with a feeding through groove.

5. The oil-filled transformer oil tank with the oil supplementing structure according to claim 3, characterized in that: the upper end of the oil feeding pipe head (7) is of a hopper-covering structure, the inner cavity of the oil feeding pipe head (7) is of a rectangular structure when overlooked, the movable floating plate (9) is of a rectangular structure, and the movable guide wheel (11) is provided with mounting notches at the relative position of the fixed spring (13).

6. The oil-filled transformer oil tank with the oil supplementing structure according to claim 1, characterized in that: the oil feeding pipe is characterized in that a fixing cover (8) is arranged at the upper end of the oil feeding pipe head (7), an oil filling port is formed in the upper end of the outer right side of the oil feeding pipe head (7) at the relative position of the oil feeding pipe head (7), and a glass plate (10) is arranged in the middle of the outer left side of the oil feeding pipe head (7).