CN216081693U

CN216081693U - Transformer oil protection monitoring device

Info

Publication number: CN216081693U
Application number: CN202122756371.0U
Authority: CN
Inventors: 徐涛; 李谦; 王国华
Original assignee: Individual
Current assignee: Baoding Haoke Electrical Equipment Repair Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-03-18
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a transformer oil protection monitoring device which comprises a transformer body, wherein a guide pipe is arranged on the left side of the top of the transformer body, a fixed pipe communicated with the transformer body is arranged at the bottom of the guide pipe, an installation assembly is arranged between the guide pipe and the fixed pipe, a lifting rod is arranged in an inner cavity of the guide pipe, an alarm assembly is arranged on the left side of the top of the transformer body and comprises an audible and visual alarm arranged on the left side of the top of the transformer body, sheet type trigger switches are arranged at the bottoms of two sides of the inner cavity of the guide pipe, a lifting block is fixedly connected to the top end of the lifting rod, a conducting ring is sleeved on the surface of the lifting block, an oil injection pipe is communicated with the front side of the surface of the fixed pipe, and a sealing valve is in threaded connection with the inlet end of the oil injection pipe. The transformer oil protection monitoring device can realize real-time monitoring and automatic alarm of liquid level.

Description

Transformer oil protection monitoring device

Technical Field

The utility model belongs to the technical field of transformer oil protection, and particularly relates to a transformer oil protection monitoring device.

Background

The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil, an iron core and a magnetic core, and the transformer has the following main functions: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization magnetic saturation transformer, and the like.

The current transformer generally pulls out the dipstick to the detection mode of fluid liquid level, looks over the inside fluid oil mass of transformer through the staff, and this kind of mode of looking over comparatively consumes staff's time and energy, and looks over the oil mass through the dipstick and have more uncertainty, leads to the unable accurate inside oil mass of mastering transformer of staff.

It should be noted that the above background description is only for the convenience of clear and complete description of the technical solutions in the present specification and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present specification.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transformer oil protection monitoring device, which aims to solve the technical problems that in the existing transformer oil level detection mode, a dipstick is generally pulled out by a worker to check the oil quantity of oil in a transformer, the check mode consumes the time and energy of the worker, and the oil quantity check through the dipstick has more uncertainty, so that the worker cannot accurately master the oil quantity in the transformer.

The technical scheme for solving the technical problems is as follows: transformer fluid protection monitoring device, including the transformer body, the left side at transformer body top is provided with the pipe, the bottom of pipe is provided with the fixed pipe that communicates mutually with the transformer body, be provided with the installation component between pipe and the fixed pipe, the inner chamber of pipe is provided with the lifter, the left side at transformer body top is provided with the alarm subassembly, the alarm subassembly is including installing at the left audible-visual annunciator in transformer body top, the bottom of pipe inner chamber both sides all is provided with piece formula trigger switch, the top fixedly connected with elevator of lifter, the surperficial cover of elevator is equipped with the conducting ring, the front side intercommunication on fixed pipe surface has the notes oil pipe, the entrance point threaded connection of notes oil pipe has the seal valve.

Preferably, the installation component comprises a positioning disc welded at the bottom of the surface of the guide pipe, the top of the fixed pipe is welded with a butt joint disc, and five bolts uniformly penetrate through the positioning disc along the circumferential direction.

Preferably, a sealing gasket is pressed between the positioning disk and the butt-joint disk, and the bottom end of the bolt penetrates through the bottom of the sealing gasket and is in threaded connection with the butt-joint disk.

Preferably, the bottom end of the lifting rod penetrates through the fixed pipe, extends to the inside of the transformer body and is fixedly connected with the floating ball.

Preferably, the right side electric connection of audible-visual annunciator has connecting wire, connecting wire keeps away from audible-visual annunciator's one end and piece formula trigger switch electric connection.

Preferably, the front side and the rear side of the conduit are respectively provided with an observation port, and toughened glass is embedded in the two observation ports respectively.

The utility model has the beneficial effects that:

1. according to the transformer oil level detection device, the guide pipe is fixedly installed through the installation assembly, oil in the transformer body is monitored in real time through the cooperation of the lifting rod, the floating ball and the lifting block, meanwhile, under the action of the alarm assembly, an alarm can be given when the oil level in the transformer body is lower than a preset value, and the purposes of real-time liquid level monitoring and automatic alarm can be achieved, so that the problems that the existing detection mode of the transformer for the oil level is generally that a staff pulls out an oil ruler to check the oil level of the oil in the transformer, the checking mode consumes the time and the energy of the staff, and the staff cannot accurately master the oil level in the transformer due to the fact that the checking of the oil level through the oil ruler is more uncertain are solved;

2. according to the utility model, the positioning disc, the butt joint disc and the bolt are matched for use, so that the guide pipe is stably fixed at the top of the fixed pipe, and meanwhile, under the action of the sealing gasket, the air tightness between the positioning disc and the butt joint disc is enhanced, and the leakage of oil is avoided;

3. according to the transformer, the floating ball and the lifting block are matched for use, so that the lifting rod can vertically displace under the action of oil in the inner cavity of the transformer body, the lifting block can drive the conducting ring to be in contact with the sheet type trigger switch, and then the audible and visual alarm is triggered to operate;

4. according to the utility model, through the arrangement of the observation port and the toughened glass, workers can conveniently observe the real-time height of the lifting block and the oil content in the inner cavity of the transformer body from the outer side of the guide pipe.

Drawings

The above and/or other advantages of the utility model will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, and in which:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of point A in FIG. 1;

FIG. 3 is a partial exploded view of the first embodiment of the present invention;

fig. 4 is a schematic diagram of a partially exploded structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the device comprises a transformer body, 2, a guide pipe, 3, a fixed pipe, 4, a mounting component, 41, a positioning disk, 42, a butt joint disk, 43, a sealing gasket, 44, a bolt, 5, a lifting rod, 6, a floating ball, 7, a lifting block, 8, an alarm component, 81, an audible and visual alarm, 82, a sheet type trigger switch, 83, a conducting ring, 84, a connecting wire, 9, toughened glass, 10, an oil injection pipe, 11 and a sealing valve.

Detailed Description

Hereinafter, embodiments of the transformer oil protection monitoring apparatus of the present invention will be described with reference to the accompanying drawings.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.

Transformer fluid protection monitoring device, including transformer body 1, the left side at 1 top of transformer body is provided with pipe 2, and the viewing aperture has been seted up respectively to the front side and the rear side of pipe 2, inlays respectively in two viewing apertures and is equipped with toughened glass 9, through toughened glass 9's setting, has made things convenient for the staff to observe the real-time height of lifter 7 and 1 inner chamber fluid content of transformer body from the outside of pipe 2.

The bottom of pipe 2 is provided with the fixed pipe 3 that is linked together with transformer body 1, is provided with installation component 4 between pipe 2 and the fixed pipe 3, installation component 4 is including welding the positioning disk 41 in pipe 2 surface bottom, and the top welding of fixed pipe 3 has docking disk 42, evenly runs through along circumference on the positioning disk 41 and is provided with five bolts 44, and the pressfitting has sealed the pad 43 between positioning disk 41 and the docking disk 42, and the bottom of bolt 44 runs through to the bottom of sealed pad 43 and with docking disk 42 threaded connection, uses through the cooperation of positioning disk 41, docking disk 42 and bolt 44 for pipe 2 is stably fixed at the top of fixed pipe 3, and under the effect of sealed pad 43, the gas tightness between positioning disk 41 and the docking disk 42 has been strengthened simultaneously, has avoided the seepage of fluid.

The left side at transformer body 1 top is provided with alarm assembly 8, alarm assembly 8 is including installing at the left audible-visual annunciator 81 in transformer body 1 top, audible-visual annunciator 81's right side electric connection has connecting wire 84, connecting wire 84 keeps away from audible-visual annunciator 81's one end and piece formula trigger switch 82 electric connection, the bottom of pipe 2 inner chamber both sides all is provided with piece formula trigger switch 82, the surface cover of elevator 7 is equipped with conducting ring 83, the front side intercommunication on fixed pipe 3 surface has oiling pipe 10, the entrance point threaded connection of oiling pipe 10 has seal valve 11.

The inner chamber of pipe 2 is provided with lifter 5, and fixed pipe 3 is run through to the bottom of lifter 5 and is extended to the inside and the fixedly connected with floater 6 of transformer body 1, and the top fixedly connected with elevator 7 of lifter 5 uses through the cooperation of floater 6 and elevator 7 for lifter 5 can carry out vertical displacement under the effect of fluid in the inner chamber of transformer body 1, makes elevator 7 can drive conducting ring 83 and the contact of piece formula trigger switch 82 then, triggers audible and visual alarm 81 operation then.

When the transformer body is used, the height of the floating ball 6 and the liquid level height of oil synchronously move, in the process of the displacement of the floating ball 6, the lifting block 7 is driven by the lifting rod 5 to move up and down in the inner cavity of the guide pipe 2, and the height of the lifting block 7 can be observed through the tempered glass 9, so that the liquid level height of the oil in the transformer body 1 can be mastered;

when the liquid level of oil in the transformer body 1 is lower than a preset value, the lifting rod 5 drives the lifting block 7 to reach the lowest point due to the gravity of the floating ball 6, at the moment, the lifting block 7 drives the conducting ring 83 to be in contact with the two piece type trigger switches 82, then the piece type trigger switches 82 trigger the audible and visual alarm 81 to be started through the connecting wires 84, and visual and audible alarms are sent to workers through the audible and visual alarm 81;

meanwhile, the operator can rotate to remove the sealing valve 11 and add oil to the interior of the transformer body 1 from the oil filling pipe 10;

through the operation of the steps, the real-time monitoring and automatic alarm of the liquid level can be realized.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the utility model, so as to achieve the purpose of the utility model.

Claims

1. Transformer fluid protection monitoring device, its characterized in that includes transformer body (1), the left side at transformer body (1) top is provided with pipe (2), the bottom of pipe (2) is provided with fixed pipe (3) that are linked together with transformer body (1), be provided with installation component (4) between pipe (2) and fixed pipe (3), the inner chamber of pipe (2) is provided with lifter (5), the left side at transformer body (1) top is provided with alarm component (8), alarm component (8) are including installing in the left audible-visual annunciator (81) in transformer body (1) top, the bottom of pipe (2) inner chamber both sides all is provided with piece formula trigger switch (82), the top fixedly connected with elevator (7) of lifter (5), the surface cover of elevator (7) is equipped with conducting ring (83), the front side of the surface of the fixed pipe (3) is communicated with an oil filling pipe (10), and the inlet end of the oil filling pipe (10) is in threaded connection with a sealing valve (11).

2. The transformer oil protection monitoring device according to claim 1, wherein the mounting assembly (4) comprises a positioning disc (41) welded to the bottom of the surface of the guide pipe (2), a butt-joint disc (42) is welded to the top of the fixed pipe (3), and five bolts (44) are uniformly arranged on the positioning disc (41) in a penetrating manner along the circumferential direction.

3. The transformer oil protection monitoring device according to claim 2, wherein a sealing gasket (43) is pressed between the positioning plate (41) and the abutting plate (42), and the bottom end of the bolt (44) penetrates through the bottom of the sealing gasket (43) and is in threaded connection with the abutting plate (42).

4. The transformer oil protection monitoring device according to claim 3, wherein the bottom end of the lifting rod (5) extends through the fixed tube (3) to the inside of the transformer body (1) and is fixedly connected with the floating ball (6).

5. The transformer oil protection monitoring device according to claim 4, wherein a connecting wire (84) is electrically connected to the right side of the audible and visual alarm (81), and one end of the connecting wire (84) far away from the audible and visual alarm (81) is electrically connected to the plate-type trigger switch (82).

6. The transformer oil protection monitoring device according to claim 5, wherein the front side and the rear side of the conduit (2) are respectively provided with an observation port, and the two observation ports are respectively embedded with toughened glass (9).