CN216246848U

CN216246848U - Transformer overload monitoring device

Info

Publication number: CN216246848U
Application number: CN202122297127.2U
Authority: CN
Inventors: 蒙文芳; 杜科毅; 莫若华; 殷贵柏
Original assignee: Cofco Chongzuo Sugar Co ltd
Current assignee: Cofco Chongzuo Sugar Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-08
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a transformer overload monitoring device, which relates to the technical field of monitoring devices and comprises a transformer body and an oil storage tank, wherein the outer wall of the top end of the transformer body is fixedly connected with a temperature measuring shell, mercury is arranged in the temperature measuring shell, the outer wall of the temperature measuring shell is respectively and fixedly connected with a positive electrode plate, a first negative electrode plate, a second negative electrode plate and a third negative electrode plate, the outer wall of the top end of the transformer body is fixedly connected with a first storage battery, the first negative electrode plate, the second negative electrode plate and the third negative electrode plate are respectively connected with the positive electrodes of a normal indicator lamp, an early warning indicator lamp and an alarm indicator lamp through leads, the negative electrodes of the normal indicator lamp, the early warning indicator lamp and the alarm indicator lamp are all connected with the positive electrode of the first storage battery through leads, and the negative electrode of the first storage battery is connected with the positive electrode plate through leads. The utility model can reduce the loss caused by the damage of the transformer.

Description

Transformer overload monitoring device

Technical Field

The utility model relates to the technical field of monitoring devices, in particular to a transformer overload monitoring device.

Background

In urban and rural power supply and power utilization peak periods, the phenomenon of overload of a distribution transformer often occurs, if the phenomenon is not found in time and load adjustment is carried out, low-voltage side or high-voltage side fuse fusing occurs, the phenomenon of power failure occurs, and the transformer can be greatly influenced in the case of serious safety operation. If the information can be found and forecast in time, measures can be taken, the load is reduced, and the influence of overload is avoided.

Among the prior art, transformer overload device generally comprises transformer body, temperature sensor, the alarm lamp, stores up oil tank and transformer oil, and the transformer body top is fixed with through the support and stores up the oil tank, and stores up the oil tank and communicate with the transformer body through the pipeline, all is provided with transformer oil in transformer body and the oil tank, and transformer body top is provided with temperature sensor, and temperature sensor is connected with the alarm lamp through the wire.

However, in the operation process of the transformer, the alarm lamp can be turned on only when the transformer is overloaded, and a worker does not have buffering time to prepare, so that the inspection of the transformer is delayed, the transformer is easy to damage, and the improvement is still needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an overload monitoring device for a transformer. Its advantage is low loss caused by damage to transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a transformer overload monitoring device, includes transformer body and oil storage tank, transformer body top outer wall fixedly connected with temperature measurement casing, and be provided with mercury in the temperature measurement casing, temperature measurement casing outer wall difference fixedly connected with positive electrode piece, first negative electrode piece, second negative electrode piece and third negative electrode piece, the first battery of transformer body top outer wall fixedly connected with, first negative electrode piece, second negative electrode piece and third negative electrode piece link to each other with the positive pole of normal pilot lamp, early warning pilot lamp and alarm indicator respectively through the wire, the negative pole of normal pilot lamp, early warning pilot lamp and alarm indicator all links to each other with the positive pole of first battery through the wire, the negative pole of first battery passes through the wire and links to each other with positive electrode piece.

Through the technical scheme: the lead is to normal pilot lamp, early warning pilot lamp and warning pilot lamp establish ties with first battery respectively, the temperature measurement casing is through testing this internal transformer oil temperature of transformer, the liquid level of mercury reciprocates and contacts with first negative electrode piece, second negative electrode piece and third negative electrode piece in the messenger's temperature measurement casing, thereby form closed circuit, make normal pilot lamp, early warning pilot lamp and warning pilot lamp light when reaching the temperature that corresponds, be less than corresponding temperature if the pilot lamp does not light, reach the effect of being convenient for observe.

The temperature measuring device is further provided with a resistor strip fixedly connected to the inner wall of the temperature measuring shell, a monitoring electrode plate fixedly connected to the outer wall of the top end of the temperature measuring shell and attached to the resistor strip, the monitoring electrode plate is connected with a monitoring box through a wire, the monitoring box is connected with a first storage battery through a wire, and a display screen is arranged on one side of the monitoring box.

Through the technical scheme: positive electrode piece, first battery, monitoring box and monitoring electrode piece and resistance strip are established ties, and mercury in the temperature measurement casing will monitor electrode piece and resistance strip and be linked together and form closed circuit, and when the temperature rose, the liquid level of mercury rose, and the conducting distance of resistance strip reduces, and the electric current can increase, and the monitoring box calculates the temperature through the size of electric current, shows data such as this internal temperature of transformer through the display screen at last, reaches the effect of convenient observation.

The transformer is further provided with a protective shell fixedly connected to the outer wall of the top end of the transformer body, three through holes are formed in the outer wall of the top end of the protective shell, inner walls of the three through holes are fixedly connected with a normal indicator lamp, an early warning indicator lamp and an alarm indicator lamp respectively, a display groove is formed in the outer wall of one side of the protective shell, and the inner wall of the display groove is fixedly connected with a display screen.

Through the technical scheme: the protective housing can avoid external environment to cause damage to the device, reaches protection device, increases life's effect.

The utility model is further provided that the outer wall of the top end of the oil storage tank is fixedly connected with an oil gauge shell, the oil gauge shell is provided with capacity scales, the inner wall of the oil storage tank is provided with a floating block, the outer wall of the top end of the floating block is fixedly connected with a floating rod, and the outer wall of the top end of the floating rod is fixedly connected with a copper sheet.

Through the technical scheme: the transformer oil in the transformer body can change due to the reason volume of expansion with heat and contraction with cold, the floating block can ascend or descend along with the increase or reduction of the transformer oil volume in the transformer body, the floating block floating up and down can drive the floating rod and the copper sheet to move, the oil surface position of the transformer oil can be known by observing the scale position of the copper sheet on the oil gauge shell, and the effect of convenient observation is achieved.

The utility model is further provided that the floating rod and the floating block are both internally provided with a cavity.

Through the technical scheme: the weight of the floating rod and the floating block can be reduced by the arrangement of the cavity, and the floating rod and the floating block are prevented from sinking into the oil storage tank.

The utility model is further provided that a balancing weight is fixed at the central position of the inner wall of the floating block.

Through the technical scheme: the fixed balancing weight at the central point can make the center of gravity of the floating block move to the center of the bottom, and the effect of stabilizing the floating block is achieved.

The utility model is further arranged that the float block is of a hemispherical structure.

Through the technical scheme: the floating block with a hemispherical structure can increase the volume immersed under the oil surface, thereby achieving the effect of increasing the buoyancy of the floating block.

The utility model is further set that the outer wall of the top end of the shell of the oil gauge is fixedly connected with a conductive joint, the inner wall of the top end of the shell of the oil gauge is fixedly connected with a conductive ring piece, the conductive ring piece is connected with a second storage battery through a lead, the second storage battery is connected with a buzzer through a lead, and the buzzer is connected with the conductive joint through a lead.

Through the technical scheme: when the transformer body transships, transformer oil level can increase, and the kicking block passes through the kicking rod and drives the copper sheet and rise, and copper sheet and top and conductive joint laminating, the side and the conductive ring of copper sheet laminate mutually, unite second battery and bee calling organ through the wire and form closed loop circuit to make bee calling organ take place the police dispatch newspaper.

The utility model has the beneficial effects that:

1. the utility model provides a transformer overload monitoring device, because the wire will normal pilot lamp, early warning pilot lamp and alarm indicator are established ties with first battery respectively, the temperature measurement casing is through testing this internal transformer oil temperature of transformer, make the liquid level of mercury reciprocate in the temperature measurement casing and contact with first negative pole piece, second negative pole piece and third negative pole piece, thereby form closed circuit, make normal pilot lamp, early warning pilot lamp and alarm indicator light are lighted when reaching the temperature that corresponds, when the early warning pilot lamp is lighted, remind the staff to the continuous concern of transformer, and do and overhaul and prepare, avoid staff's delay maintenance, lead to the serious condition of transformer damage to appear, when the alarm indicator lights are lighted, can overhaul rapidly, reach the effect that reduces the loss.

2. The utility model provides a transformer overload monitoring device, positive electrode piece, a storage battery, monitoring box and monitoring electrode piece and resistor strip are established ties, mercury in the temperature measurement casing will monitor electrode piece and resistor strip and be linked together and form closed circuit, when the temperature rose, the liquid level of mercury risees, the conducting distance of resistor strip reduces, the electric current can increase, the monitoring box calculates the temperature through the size of electric current, at last with this internal data such as temperature of transformer show through the display screen, reach the effect of convenient observation.

3. The utility model provides a transformer overload monitoring devices, when transformer body transships, transformer oil level can increase, and the kicking block passes through the kicking rod and drives the copper sheet and rises, and copper sheet and top and conductive joint laminating, the side and the conducting ring of copper sheet laminate mutually, unite second battery and bee calling organ through the wire and form closed loop circuit to make bee calling organ take place the police dispatch newspaper.

Drawings

Fig. 1 is a schematic perspective view of an overload monitoring apparatus for a transformer according to the present invention;

fig. 2 is a schematic structural diagram of a highlighted protective casing of the transformer overload monitoring device according to the present invention;

FIG. 3 is a schematic structural diagram of a temperature measurement housing highlighted by the overload monitoring device of the transformer according to the present invention;

fig. 4 is a schematic structural diagram of a salient floating block of the transformer overload monitoring device according to the present invention.

In the figure: 1. a transformer body; 2. an oil storage tank; 3. a temperature measuring shell; 4. a positive electrode plate; 5. a first negative electrode sheet; 6. a second negative electrode sheet; 7. a third negative electrode sheet; 8. a normal indicator light; 9. an early warning indicator light; 10. an alarm indicator light; 11. a resistor strip; 12. monitoring the electrode slice; 13. a monitoring box; 14. a display screen; 15. a protective shell; 16. a fuel gauge housing; 17. floating blocks; 18. a float rod; 19. a balancing weight; 20. a conductive joint; 21. a conductive ring sheet; 22. a second storage battery; 23. a buzzer; 24. a copper sheet; 25. a first battery.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a transformer overload monitoring device comprises a transformer body 1, wherein the top end of the transformer body 1 is fixedly connected with an oil storage tank 2 through a support, the outer wall of the top of the transformer body 1 is fixedly connected with a temperature measuring shell 3, mercury is arranged in the temperature measuring shell 3, the outer wall of the temperature measuring shell 3 is respectively fixedly connected with a positive electrode plate 4, a first negative electrode plate 5, a second negative electrode plate 6 and a third negative electrode plate 7, the first negative electrode plate 5 is positioned at the lowest normal temperature position of the temperature measuring shell 3, the second negative electrode plate 6 is positioned at the lowest early warning temperature position of the temperature measuring shell 3, the third negative electrode plate 7 is positioned at the alarm temperature position of the temperature measuring shell 3, the outer wall of the top end of the transformer body 1 is fixedly connected with a first storage battery 25, and the first negative electrode plate 5, the second negative electrode plate 6 and the third negative electrode plate 7 are respectively connected with a normal indicator lamp 8, a lead wire, The positive poles of the early warning indicator lamp 9 and the alarm indicator lamp 10 are connected, the negative poles of the normal indicator lamp 8, the early warning indicator lamp 9 and the alarm indicator lamp 10 are connected with the positive pole of the first storage battery 25 through a lead, and the negative pole of the first storage battery 25 is connected with the positive pole piece 4 through a lead.

Specifically, the inner wall of the temperature measuring shell 3 is fixedly connected with a resistance strip 11, the outer wall of the top end of the temperature measuring shell 3 is fixedly connected with a monitoring electrode plate 12, and the monitoring electrode slice 12 is jointed with the resistance strip 11, the monitoring electrode slice 12 is connected with a monitoring box 13 through a lead, the monitoring box 13 is connected with a first storage battery 25 through a lead, one side of the monitoring box 13 is provided with a display screen 14, in the embodiment, the positive electrode plate 4, the first storage battery 25, the monitoring box 13, the monitoring electrode plate 12 and the resistance strip 11 are connected in series, mercury in the temperature measurement shell 3 communicates the monitoring electrode plate 12 and the resistance strip 11 to form a closed circuit, when the temperature rose, the liquid level of mercury rose, and the conducting distance of resistance strip 11 reduces, and the electric current can increase, and monitoring box 13 calculates the temperature through the size of electric current, shows data such as the temperature in the transformer body 1 through display screen 14 at last, reaches the effect of convenient observation.

Specifically, 1 top outer wall fixedly connected with protective housing 15 of transformer body, three through-hole has been seted up to protective housing 15 top outer wall, and three through-hole inner wall respectively with normal pilot lamp 8, early warning pilot lamp 9 and alarm indicator lamp 10 fixed connection, the display flume has been seted up to protective housing 15 one side outer wall, and display flume inner wall and 14 fixed connection of display screen, in this embodiment, through the setting of protective housing 15, can avoid external environment to cause the damage to the device, reach protection device, increase life's effect.

Specifically, 2 top outer wall fixedly connected with fuel gauge shells 16 of oil storage tank, be provided with the capacity scale on the

fuel gauge shell

16, 2 inner walls of oil storage tank are provided with kicking block 17, kicking block 17 top outer wall fixedly connected with kicking

rod

18, 18 top outer wall fixed connection copper sheets 24 of kicking rod, in this embodiment, transformer oil in the transformer body 1 can change because the reason volume of expend with heat and contract with cold, kicking block 17 can be along with the transformer oil volume increase in the transformer body 1 or reduce and rise or descend, 18 and 24 movements of copper sheet of kicking block 17 drive kicking rod and copper sheet of floating from top to bottom, through observing the scale position of copper sheet 24 on fuel gauge shell 16, can know the oil level position of transformer oil, reach the effect of being convenient for observe.

Specifically, the cavity has all been seted up to stem 18 and kicking block 17 inside, and in this embodiment, through the setting of cavity, can reduce the weight of stem 18 and kicking block 17, avoid stem 18 and kicking block 17 to sink in the oil storage tank 2.

Specifically, the central point of the inner wall of the floating block 17 is fixed with a balancing weight 19, and in the embodiment, the center of gravity of the floating block 17 can be moved to the center of the bottom by fixing the balancing weight 19 at the central point, so that the effect of stabilizing the floating block 17 is achieved.

Specifically, the floating block 17 is of a hemispherical structure, and in this embodiment, the floating block 17 of the hemispherical structure can increase the volume immersed under the oil surface, so as to increase the buoyancy of the floating block 17.

Specifically, 16 top outer walls fixedly connected with conductive joint 20 of oil gauge shell, 16 top inner walls fixedly connected with conductive ring piece 21 of oil gauge shell, conductive ring piece 21 passes through the wire and connects second battery 22, second battery 22 is connected with bee calling organ 23 through the wire, and bee calling organ 23 is connected with conductive joint 20 through the wire, in this embodiment, when transformer body 1 transships, transformer oil level can increase, kicking block 17 drives copper sheet 24 through float rod 18 and rises, copper sheet 24 and top and conductive joint 20 laminating, copper sheet 24's side and conductive ring piece 21 laminate mutually, unite second battery 22 and bee calling organ 23 through the wire and form closed loop circuit, thereby make bee calling organ 23 take place the police dispatch newspaper.

The working principle is as follows: the lowest normal temperature, the lowest early warning temperature and the warning temperature are marked on the temperature measuring shell 3 through testing, a first negative electrode plate 5, a second negative electrode plate 6 and a third negative electrode plate 7 are respectively arranged at corresponding positions, a normal indicator light 8, an early warning indicator light 9 and a warning indicator light 10 are respectively connected with a first storage battery 25 in series through leads, the temperature measuring shell 3 enables the liquid level of mercury in the temperature measuring shell 3 to move up and down to be in contact with the first negative electrode plate 5, the second negative electrode plate 6 and the third negative electrode plate 7 through testing the temperature of transformer oil in the transformer body 1, so that a closed circuit is formed, the normal indicator light 8, the early warning indicator light 9 and the warning indicator light 10 are lightened when the corresponding temperature is reached, when the early warning indicator light 9 is lightened, a worker is reminded of continuously paying attention to the transformer and is ready for maintenance, and the delay of the worker is avoided, the transformer is damaged seriously, and when the alarm indicator lamp is on 10 times, the transformer can be overhauled quickly, so that the effect of reducing loss is achieved.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A transformer overload monitoring device comprises a transformer body (1) and an oil storage tank (2), and is characterized in that the outer wall of the top end of the transformer body (1) is fixedly connected with a temperature measuring shell (3), mercury is arranged in the temperature measuring shell (3), the outer wall of the temperature measuring shell (3) is respectively fixedly connected with a positive electrode sheet (4), a first negative electrode sheet (5), a second negative electrode sheet (6) and a third negative electrode sheet (7), the outer wall of the top end of the transformer body (1) is fixedly connected with a first storage battery (25), the first negative electrode sheet (5), the second negative electrode sheet (6) and the third negative electrode sheet (7) are respectively connected with the positive electrodes of a normal indicator lamp (8), an early warning indicator lamp (9) and an alarm indicator lamp (10) through leads, and the negative electrodes of the normal indicator lamp (8), the early warning indicator lamp (9) and the alarm indicator lamp (10) are all connected with the positive electrode of the first storage battery (25) through leads, and the negative electrode of the first storage battery (25) is connected with the positive electrode plate (4) through a lead.

2. The transformer overload monitoring device according to claim 1, wherein a resistor strip (11) is fixedly connected to the inner wall of the temperature measuring shell (3), a monitoring electrode plate (12) is fixedly connected to the outer wall of the top end of the temperature measuring shell (3), the monitoring electrode plate (12) is attached to the resistor strip (11), the monitoring electrode plate (12) is connected with a monitoring box (13) through a lead, the monitoring box (13) is connected with a first storage battery (25) through a lead, and a display screen (14) is arranged on one side of the monitoring box (13).

3. The transformer overload monitoring device according to claim 2, wherein a protective shell (15) is fixedly connected to the outer wall of the top end of the transformer body (1), three through holes are formed in the outer wall of the top end of the protective shell (15), inner walls of the three through holes are fixedly connected with the normal indicator lamp (8), the early warning indicator lamp (9) and the alarm indicator lamp (10) respectively, a display groove is formed in the outer wall of one side of the protective shell (15), and the inner wall of the display groove is fixedly connected with the display screen (14).

4. The transformer overload monitoring device according to claim 3, wherein an oil gauge shell (16) is fixedly connected to the outer wall of the top end of the oil storage tank (2), a floating block (17) is arranged on the inner wall of the oil storage tank (2), a floating rod (18) is fixedly connected to the outer wall of the top end of the floating block (17), and a copper sheet (24) is fixedly connected to the outer wall of the top end of the floating rod (18).

5. The transformer overload monitoring device according to claim 4, wherein the floating rod (18) and the floating block (17) are provided with cavities inside.

6. The transformer overload monitoring device according to claim 5, wherein a counterweight (19) is fixed at the center position of the inner wall of the floating block (17).

7. The transformer overload monitoring device according to claim 6, wherein the floating blocks (17) are of a hemispherical structure.

8. The transformer overload monitoring device according to claim 7, wherein a conductive connector (20) is fixedly connected to an outer wall of the top end of the oil meter housing (16), a conductive ring piece (21) is fixedly connected to an inner wall of the top end of the oil meter housing (16), the conductive ring piece (21) is connected to a second storage battery (22) through a lead, the second storage battery (22) is connected to a buzzer (23) through a lead, and the buzzer (23) is connected to the conductive connector (20) through a lead.