CN216846465U

CN216846465U - Automatic monitoring and alarming device for water level of accident oil pool of transformer substation

Info

Publication number: CN216846465U
Application number: CN202122792162.1U
Authority: CN
Inventors: 冯俊超; 王榭崟; 王旭; 马学林; 张岩; 朱小超; 王化勇; 李荣贵; 张建伟; 李鹏杰; 白琼芬
Original assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Current assignee: Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-06-28
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation, which comprises a water level monitoring bin, wherein the water level monitoring bin is fixedly arranged on the side wall of the accident oil pool, the top of the water level monitoring bin extends to the outside of the accident oil pool and is exposed on the ground surface, a control center is fixedly arranged at the top of the water level monitoring bin, and an audible and visual alarm is fixedly arranged at the top of the control center. According to the utility model, the buoyancy driving mechanism moves along with the change of the liquid level in the accident oil pool, meanwhile, the attraction force is generated on the second permanent magnet nearby, the two ends of the copper plate are in contact with the liquid level monitoring circuit switch to form a communication circuit, the control center transmits the height of the water level to the liquid crystal display screen for external display, so that the real-time monitoring of the liquid level of the accident oil pool by workers is facilitated, and meanwhile, when the liquid level in the accident pool exceeds a warning value, the control center can control the audible and visual alarm to give an alarm and brightly remind the workers of field monitoring.

Description

Automatic monitoring and alarming device for water level of accident oil pool of transformer substation

Technical Field

The utility model relates to the technical field of power stations, in particular to an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, the transformer substation in the power plant is a boosting transformer substation, the effect of the boosting transformer substation is to boost the electric energy generated by a generator and feed the boosted electric energy into a high-voltage power grid, the transformer substation accident oil pool can enable oil spills and leaks in the transformer substation to smoothly flow out of a tank set and automatically flow into an accident liquid storage pool when an accident occurs, and the transformer substation equipment and staff are protected from explosion caused by leaked oil and personal safety of workers are achieved.

However, the accident oil pool usually has a liquid level with a certain height due to the filling of rainwater or other liquids, and when the liquid level is too high, the oil product which overflows when an accident occurs overflows the accident oil pool too much, so that serious consequences are caused, therefore, water level monitoring devices are arranged in the accident oil pool, but the traditional water level monitoring devices mainly rely on manual observation and monitoring, the efficiency is low, the accuracy is low, and the accident oil pool is located underground, the illumination intensity is low, and the traditional water level monitoring mechanism is inconvenient to observe; traditional water level monitoring mechanism can not direct feedback go out concrete liquid level data, still needs artifical record, can't automatic alarm remind on-the-spot staff when surpassing the warning liquid level moreover and feed back to the workstation headquarters, can't guarantee the rapid processing of accident oil bath prevention work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation.

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

the automatic monitoring and alarming device for the water level of the emergency oil pool of the transformer substation comprises a water level monitoring bin, wherein the water level monitoring bin is fixedly installed on the side wall of the emergency oil pool, the top of the water level monitoring bin extends to the outside of the emergency oil pool and is exposed on the ground surface, a control center is fixedly installed at the top of the water level monitoring bin, an audible and visual alarm is fixedly installed at the top of the control center, a liquid crystal display screen is fixedly installed on the surface of the control center, a communicating air hole is formed in the top of the water level monitoring bin, and a water level observation bin is fixedly installed on the front of the water level monitoring bin;

the inside of the water level monitoring bin is of a through type rectangular cavity structure and is communicated with the communicating air hole, the inside of the water level observation bin is also of a cavity structure, a buoyancy driving mechanism is movably sleeved on the inner side of the water level monitoring bin, and a liquid level feedback mechanism is installed on the inner side of the water level observation bin.

Further, the buoyancy driving mechanism comprises a buoyancy cabin, the size of the buoyancy cabin and the size of an inner cavity of the water level monitoring cabin are matched and movably sleeved on the inner side of the water level monitoring cabin, a first permanent magnet is fixedly mounted inside the buoyancy cabin, and the installation direction of one end of a magnetic pole of the first permanent magnet faces towards the water level observation cabin.

Further, the liquid level feedback mechanism comprises a second permanent magnet, the rotating shaft is fixedly installed on the inner side of the water level observation bin through a bearing, the second permanent magnet is fixedly installed on the side wall of the rotating shaft, the second permanent magnet and the rotating shaft are uniformly distributed in the inner cavity of the water level observation bin, two groups of rotating shafts at the top end and the bottom end are fixedly processed, the magnetic pole positions at two ends of the rotating shafts of the two groups of second permanent magnets are fixedly installed and are perpendicular to the horizontal direction, and the magnetic pole directions of the two groups of rotating shafts are the same.

Further, the inside fixed mounting of second permanent magnet has the copper, the copper passes through the second permanent magnet, and laminates mutually with the both ends outside of second permanent magnet, the length of copper and two sets of liquid level monitoring circuit switch's interval equals.

Furthermore, the lateral walls of the two symmetrical ends of the inner side of the water level observation bin are fixedly provided with liquid level monitoring circuit switches, the liquid level monitoring circuit switches are electrically connected with the control center, the control center is connected with an external network, and the control center is electrically connected with the audible and visual alarm.

Further, the liquid level monitoring circuit switch with liquid crystal display electricity is connected, and is in and be higher than the water level height of warning the liquid level monitoring circuit switch is provided with alarm logic.

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

when external force is not applied, the second permanent magnets are vertically arranged under the action of magnetic force of the two groups of second permanent magnets fixed at the top end and the bottom end, the buoyancy driving mechanism moves in the vertical direction of an inner cavity of the water level monitoring bin along with the change of liquid level in the accident oil pool, meanwhile, attraction is generated on the second permanent magnets nearby, the second permanent magnets attracted by the magnetic poles close to one side by the first permanent magnets rotate to approach the horizontal direction, then, two ends of the copper plate are contacted with a liquid level monitoring circuit switch to form a communicating circuit, and signals are fed back to the control center, the second permanent magnets in the horizontal direction are the height of the water level in the accident pool, the control center transmits the height of the water level to the liquid crystal display screen for external display, so that a worker can conveniently monitor the liquid level of the accident oil pool in real time, and when the liquid level in the accident pool exceeds a warning value, the control center can control the audible and visual alarm to give an alarm and brightly remind the field monitoring worker, simultaneously with the alarm through control center send to outside workstation, remind outside workstation in time to make the processing of handling, compare in the ordinary monitoring alarm device of tradition, not only the daily monitoring of being convenient for, and guaranteed that the staff externally can the concrete data of liquid level of direct observation accident oil bath, audible-visual alarm can send audible-visual alarm automatically when the liquid level surpasss the warning scope simultaneously, can in time remind on-the-spot staff, can also in time feed back alarm information to headquarters, make things convenient for the workstation in time to monitor and make the measure of handling, the steady operation of transformer substation's work has been ensured.

Drawings

Fig. 1 is a schematic diagram of an external structure of an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation, which is provided by the utility model;

fig. 2 is a schematic diagram of an internal structure of an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation, which is provided by the utility model;

FIG. 3 is a schematic structural view of a buoyancy driving mechanism of an automatic monitoring and alarming device for the water level of an accident oil pool of a transformer substation provided by the utility model;

fig. 4 is a schematic structural view of a liquid level feedback mechanism of the automatic monitoring and alarming device for the water level of the accident oil pool of the transformer substation provided by the utility model.

In the figure: 1. a water level monitoring bin; 2. a water level observation bin; 3. a control center; 4. the air holes are communicated; 5. an audible and visual alarm; 6. a buoyancy drive mechanism; 7. a liquid level feedback mechanism; 31. a liquid crystal display screen; 61. a buoyancy compartment; 62. a first permanent magnet; 71. a second permanent magnet; 72. a rotating shaft; 711. a copper plate; 712. and a liquid level monitoring circuit 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.

Referring to fig. 1-4, the automatic monitoring and alarming device for the water level of the accident oil pool of the transformer substation comprises a water level monitoring bin 1, wherein the water level monitoring bin 1 is fixedly installed on the side wall of the accident oil pool, the top of the water level monitoring bin 1 extends to the outside of the accident oil pool and is exposed on the ground surface, a control center 3 is fixedly installed at the top of the water level monitoring bin 1, an audible and visual alarm 5 is fixedly installed at the top of the control center 3, a liquid crystal display screen 31 is also fixedly installed on the surface of the control center 3, a communicating air hole 4 is also formed in the top of the water level monitoring bin 1, and a water level observation bin 2 is fixedly installed on the front surface of the water level monitoring bin 1;

the inside in water level monitoring storehouse 1 is for through rectangle cavity structure and be linked together with intercommunication gas pocket 4, and the inside in water level observation storehouse 2 also is the cavity structure, and buoyancy actuating mechanism 6 has been cup jointed in the inboard activity in water level monitoring storehouse 1, and liquid level feedback mechanism 7 is installed to the inboard in water level observation storehouse 2.

As shown in fig. 2, the buoyancy driving mechanism 6 includes a buoyancy compartment 61, the size of the buoyancy compartment 61 is matched with the size of the inner cavity of the water level monitoring chamber 1 and movably sleeved on the inner side of the water level monitoring chamber 1, and a first permanent magnet 62 is fixedly installed inside the buoyancy compartment 61; the liquid level feedback mechanism 7 comprises a second permanent magnet 71, a rotating shaft 72 is fixedly arranged at the inner side of the water level observing chamber 2 through a bearing, and the side wall of the rotating shaft 72 is fixedly provided with the second permanent magnet 71.

As shown in fig. 3, one end of the magnetic pole of the first permanent magnet 62 faces the water level observing chamber 2, the second permanent magnets 71 and the rotating shafts 72 are uniformly distributed along the inner cavity of the water level observing chamber 2, the two sets of rotating shafts 72 at the top and bottom are fixed, the magnetic pole positions at the two ends of the rotating shafts 72 of the second permanent magnets 71 fixedly mounted on the two sets are distributed vertically to the horizontal direction, and the magnetic pole directions of the two sets of rotating shafts 72 are the same.

As shown in fig. 4, the liquid level monitoring circuit switch 712 is fixedly mounted on the two symmetrical side walls at the two ends inside the water level observation chamber 2, the liquid level monitoring circuit switch 712 is electrically connected with the control center 3, the control center 3 is connected with an external network, and the control center 3 is electrically connected with the audible and visual alarm 5.

As shown in fig. 4, a copper plate 711 is fixedly mounted inside the second permanent magnet 71, the copper plate 711 penetrates through the second permanent magnet 71 and is attached to outer sidewalls of two ends of the second permanent magnet 71, and the length of the copper plate 711 is equal to the distance between the two sets of liquid level monitoring circuit switches 712.

As shown in FIG. 4, the liquid level monitoring circuit switch 712 is electrically connected to the liquid crystal display 31, and the liquid level monitoring circuit switch 712 at and above the alarm water level is provided with alarm logic.

In the utility model, when no external force is applied, the second permanent magnet 71 is vertically arranged in a straight line under the magnetic force action of the two groups of second permanent magnets 71 fixed at the top end and the bottom end, meanwhile, the buoyancy driving mechanism 6 moves in the vertical direction of the inner cavity of the water level monitoring bin 1 along with the liquid level change in the accident oil pool, meanwhile, attraction is generated to the second permanent magnet 71 nearby, the second permanent magnet 71 attracted by the magnetic pole close to one side of the first permanent magnet 62 rotates to approach the horizontal direction, at the moment, the two ends of the copper plate 711 are contacted with the liquid level monitoring circuit switch 712 to form a communicating circuit, and a signal is fed back to the control center 3, at the moment, the second permanent magnet 71 in the horizontal direction is the height of the water level in the accident pool, the control center 3 transmits the height of the water level to the liquid crystal display screen 31 for external display, so that a worker can conveniently monitor the liquid level of the accident oil pool in real time from the outside, and at the same time, when the liquid level in the accident pool exceeds a warning value, control center 3 can control audible-visual annunciator 5 and send out the police dispatch newspaper and light warning on-the-spot monitoring staff, simultaneously with the police dispatch newspaper through control center 3 transmission to outside workstation, remind outside workstation in time to make and deal with the processing, compare in the ordinary monitoring alarm device of tradition, not only be convenient for daily monitoring, and guaranteed that the staff can externally directly observe the liquid level concrete data in accident oil bath, audible-visual annunciator 5 can send audible-visual annunciator automatically when the liquid level surpasss the warning scope simultaneously, can in time remind on-the-spot staff, can also in time feed back alarm information to headquarters, make things convenient for the workstation in time to monitor and make and deal with the measure, the steady operation of transformer substation work has been ensured.

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 as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. The automatic monitoring and alarming device for the water level of the accident oil pool of the transformer substation comprises a water level monitoring bin (1) and is characterized in that the water level monitoring bin (1) is fixedly installed on the side wall of the accident oil pool, the top of the water level monitoring bin (1) extends to the outside of the accident oil pool and is exposed on the ground surface, a control center (3) is fixedly installed at the top of the water level monitoring bin (1), an audible and visual alarm (5) is fixedly installed at the top of the control center (3), a liquid crystal display screen (31) is fixedly installed on the surface of the control center (3), a communicating air hole (4) is further formed in the top of the water level monitoring bin (1), and a water level observation bin (2) is fixedly installed on the front surface of the water level monitoring bin (1);

the inside in water level monitoring storehouse (1) be through-type rectangle cavity structure and with intercommunication gas pocket (4) are linked together, the inside in water level observation storehouse (2) also is the cavity structure, buoyancy actuating mechanism (6) have been cup jointed in the inboard activity in water level monitoring storehouse (1), liquid level feedback mechanism (7) are installed to the inboard in water level observation storehouse (2).

2. The automatic monitoring and alarming device for the water level of the substation accident oil pool according to claim 1, wherein the buoyancy driving mechanism (6) comprises a buoyancy cabin (61), the size of the buoyancy cabin (61) is matched with the size of an inner cavity of the water level monitoring cabin (1) and movably sleeved on the inner side of the water level monitoring cabin (1), a first permanent magnet (62) is fixedly installed inside the buoyancy cabin (61), and one end of a magnetic pole of the first permanent magnet (62) faces the water level observation cabin (2).

3. The automatic monitoring and alarming device for the water level of the substation accident oil pool according to claim 1, wherein the liquid level feedback mechanism (7) comprises a second permanent magnet (71) and a rotating shaft (72), the rotating shaft (72) is fixedly installed at the inner side of the water level observation cabin (2) through a bearing, the second permanent magnet (71) is fixedly installed on the side wall of the rotating shaft (72), the second permanent magnet (71) and the rotating shaft (72) are uniformly distributed along the inner cavity of the water level observation cabin (2), two groups of rotating shafts (72) at the top end and the bottom end are fixedly processed, magnetic pole positions at two ends of the rotating shafts (72) fixedly installed on the two groups of second permanent magnets (71) are distributed to be perpendicular to the horizontal direction, and the magnetic pole directions of the two groups of rotating shafts (72) are the same.

4. The automatic monitoring and alarming device for the water level of the accident oil pool of the transformer substation according to claim 3, wherein a copper plate (711) is fixedly installed inside the second permanent magnet (71), and the copper plate (711) penetrates through the second permanent magnet (71) and is attached to the outer side walls of two ends of the second permanent magnet (71).

5. The automatic monitoring and alarming device for the water level of the substation accident oil pool according to claim 4, wherein a liquid level monitoring circuit switch (712) is fixedly mounted on the two symmetrical side walls at the two ends inside the water level observation bin (2), the liquid level monitoring circuit switch (712) is electrically connected with the control center (3), the control center (3) is connected with an external network, the control center (3) is electrically connected with the audible and visual alarm (5), and the length of the copper plate (711) is equal to the distance between the two sets of liquid level monitoring circuit switches (712).

6. The automatic monitoring and alarming device for the water level of the substation accident oil pool according to claim 5, wherein the liquid level monitoring circuit switch (712) is electrically connected with the liquid crystal display screen (31), and the liquid level monitoring circuit switch (712) at the water level higher than the alarm is provided with alarm logic.