CN212695587U

CN212695587U - Transformer substation drainage system operation monitoring device

Info

Publication number: CN212695587U
Application number: CN202021960053.5U
Authority: CN
Inventors: 冯天喜; 刘贤坤
Original assignee: Individual
Current assignee: Feng Tianxi; Liu Xiankun
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-03-12
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a drainage system operation monitoring devices of transformer substation belongs to drainage system's monitoring facilities field, including cable pit, apron, floater, water level sensor and outlet, the top of cable pit is equipped with the apron, and the inside of cable pit is equipped with the floater to install water level sensor on the floater, one side of cable pit is equipped with the outlet, the inside of cable pit is equipped with reciprocates the stop gear who leads to the floater. The utility model discloses a sliding connection of connecting rod and guide bar can be spacing between a plurality of guide bars with the floater to make the floater can not remove to other positions of cable pit inside when floating, avoid having now to carry on spacingly to the floater through the rope, lead to the floater to remove to the lateral wall of cable pit at unsteady in-process, thereby make the floater probably blocked the protruding position on the cable pit lateral wall, lead to the floater can not upwards float, and cause the influence to the accuracy of water level sensor detection data on the floater.

Description

Transformer substation drainage system operation monitoring device

Technical Field

The utility model relates to a drainage system's monitoring facilities field, specificly relate to a drainage system operation monitoring devices of transformer substation.

Background

Transformer substation, place of changing voltage. In order to transmit electric energy generated by a power plant to a remote place, the voltage must be increased to be high-voltage, the voltage is reduced as required near a user, the voltage increasing and reducing work is completed by a transformer substation, the transformer substation is used as a building facility for power transmission and distribution, the drainage function needs to be emphasized, the application of the transformer substation in a cable trench is more, and in order to protect the use safety of cables in the cable trench, a monitoring device is used for detecting a drainage system in the cable trench in real time.

The monitoring devices for the drainage system in the existing cable trench are mostly limited by ropes, so that the floating ball moves to the side wall of the cable trench in the floating process, the floating ball can be clamped at the protruding part on the side wall of the cable trench, the floating ball cannot float upwards, and the accuracy of the detection data of the water level sensor on the floating ball is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a drainage system operation monitoring devices of transformer substation to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a transformer substation drainage system operation monitoring device comprises a cable trench, a cover plate, a floating ball, a water level sensor and a water outlet, wherein the cover plate is arranged at the top of the cable trench, the floating ball is arranged inside the cable trench, a water level sensor is arranged on the floating ball, a water outlet is arranged at one side of the cable trench, a limiting mechanism for guiding the floating ball to move up and down is arranged in the cable trench, the limiting mechanism comprises guide rods which are vertically arranged and are arranged along the outer side of the peripheral ring of the floating ball at equal intervals, connecting rods which are arranged on the peripheral ring of the floating ball and are in one-to-one correspondence with the guide rods, each connecting rod is provided with a through hole for the guide rod to vertically pass through, and each connecting rod is connected with the guide rod on the corresponding side in a sliding manner, the upper end and the lower end of each guide rod are respectively connected with the bottom end of the cover plate and the inner bottom of the cable trench, and a drainage device is arranged on the water outlet.

Preferably, the guide bar is of a cuboid structure, and the through holes are of a rectangular structure.

Preferably, the four side walls of the through hole are provided with rollers which are contacted with the corresponding side walls of the guide rod.

Preferably, the top of the floating ball is connected with a hollow groove in a rectangular frame structure through a bolt, the open end of the hollow groove faces the top of the floating ball, the inner top of the hollow groove is not in contact with the top end face of the floating ball, and the water level sensor is installed on the hollow groove.

Preferably, drainage device includes that the level locates the water drainage tank on the outlet, locates delivery port, horizontal installation in the inside of water drainage tank and the right-hand member of water drainage tank bottom right side extend to the rotation axis in the water drainage tank outside, fix and locate the epaxial spiral stirring leaf of rotation, the motor is installed to the one end that is located the water drainage tank right side of rotation axis, the free end of rotation axis passes the outlet and extends to the inside of cable pit.

3. Advantageous effects

1. The utility model discloses a sliding connection of connecting rod and guide bar, can be spacing between a plurality of guide bars with the floater, so that the floater can not remove to other positions of cable pit inside when floating, it is spacing to avoid having now to carry on the floater through the rope, lead to the floater to remove to the lateral wall of cable pit at unsteady in-process, thereby make the floater probably blocked the protruding position on the cable pit lateral wall, it can not upwards float to lead to the floater, and the accuracy to water level sensor detection data on the floater causes the influence, and because the floater card is on the lateral wall of cable pit, can lead to long-term soaking of water level sensor on the floater in the water, and cause the influence to the safety that the water level sensor used.

2. The utility model discloses the setting of guide bar cuboid structure and perforation rectangle column structure makes the connecting rod when sliding from top to bottom, can not take place the dislocation on the guide bar to guarantee the stationarity of floater oscilaltion, when connecting rod and guide bar slide, the contact of accessible gyro wheel and perforation lateral wall makes the sliding friction who perforates and guide bar change rolling friction into, with the frictional force that reduces between perforation and the guide bar, can make the smooth and easy more of upper and lower slip of floater simultaneously.

3. The utility model discloses when the water level inductor detects the inside rivers of cable pit and surpasss the height of predetermineeing the water level, can drive the motor through the controller and rotate, so that the quick inside rivers discharge of cable pit of rotatory epaxial spiral stirring leaf, avoid the higher damage that causes the inside cable of cable pit of water level, in order to realize the protection to the cable, motor on the drainage device still can be by independent start in addition, when the outlet is when long-time drainage promptly, the accessible is to the independent drive of motor, the silt thing through pivoted spiral stirring leaf around to the outlet is cut into pieces, in order to avoid the outlet to take place to block up and the influence that causes the drainage efficiency of cable pit, in order to guarantee the normal drainage of cable pit.

Drawings

Fig. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a schematic view of a connection structure of a connecting rod, a floating ball and a guide rod;

fig. 3 is a partial top view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Reference numerals: 1-cable trench, 2-cover plate, 3-floating ball, 4-water level sensor, 5-connecting rod, 6-guiding rod, 7-perforation, 8-roller, 9-hollow groove, 10-motor, 11-water outlet, 12-water outlet, 13-water outlet, 14-rotating shaft and 15-spiral stirring blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1-4, a transformer substation drainage system operation monitoring device comprises a cable trench 1, a cover plate 2, a floating ball 3, a water level sensor 4 and a water outlet 11, wherein the cover plate 2 is arranged at the top of the cable trench 1, the floating ball 3 is arranged in the cable trench 1, the water level sensor 4 is mounted on the floating ball 3, the water outlet 11 is arranged at one side of the cable trench 1, a limiting mechanism for guiding the floating ball 3 to move up and down is arranged in the cable trench 1, the limiting mechanism comprises guide rods 6 which are vertically arranged and are arranged along the outer side of the circumference of the floating ball 3 at equal intervals, connecting rods 5 which are arranged on the circumference of the periphery of the floating ball 3 and correspond to the guide rods 6 one by one, each connecting rod 5 is provided with a through hole 7 for the guide rod 6 to vertically pass through, each connecting rod 5 is slidably connected with the guide rod 6 at the corresponding side, the guide rod 6, the rectangular structure of the guide rod 6 and the rectangular structure of the perforation 7 are arranged, when the connecting rod 5 slides up and down, dislocation cannot occur on the guide rod 6, so that the stability of up-and-down lifting of the floating ball 3 is ensured, the rollers 8 which are in contact with the side walls corresponding to the guide rod 6 are all arranged on the four side walls of the perforation 7, when the connecting rod 5 slides with the guide rod 6, the sliding friction between the perforation 7 and the guide rod 6 is converted into rolling friction through the contact between the rollers 8 and the side walls of the perforation 7, so that the friction between the perforation 7 and the guide rod 6 is reduced, meanwhile, the up-and-down sliding of the floating ball 3 is smoother, and the upper end and the lower end of the guide rod 6 are respectively connected with the bottom end of the cover plate;

the top of the floating ball 3 is connected with a hollow groove 9 in a rectangular frame structure through a bolt, the open end of the hollow groove 9 faces the top of the floating ball 3, the inner top of the hollow groove 9 is not in contact with the top end surface of the floating ball 3, the water level sensor 4 is installed on the hollow groove 9, and the hollow groove 9 can separate the water level sensor 4 from water flow so as to reduce the influence of the water flow on the water level sensor 4 and ensure the normal work of the water level sensor 4;

the drainage device comprises a drainage groove 12 horizontally arranged on a drainage port 11, a water outlet 13 arranged on the right side of the bottom of the drainage groove 12, a rotating shaft 14 horizontally arranged in the drainage groove 12 and with the right end extending to the outer side of the drainage groove 12, and a spiral stirring blade 15 fixedly arranged on the rotating shaft 14, wherein a motor 10 is arranged at one end of the rotating shaft 14 positioned on the right side of the drainage groove 12, the free end of the rotating shaft 14 penetrates through the drainage port 11 and extends to the inside of the cable trench 1, when the water level sensor 4 detects that the water flow in the cable trench 1 exceeds the preset water level, the motor 10 can be driven to rotate by a controller, so that the spiral stirring blade 15 on the rotating shaft 14 can rapidly discharge the water flow in the cable trench 1, the damage to the cable in the cable trench 1 caused by the high water level is avoided, the protection to the cable is realized, namely, when the water discharge port 11 discharges water for a long time, the motor 10 is driven independently to cut up sludge around the water discharge port 11 by the rotating spiral stirring blade 15, so as to avoid the water discharge efficiency of the cable trench 1 from being affected by the blockage of the water discharge port 11, and ensure the normal water discharge of the cable trench 1.

The specific application process of the transformer substation drainage system operation monitoring device is as follows: when the water level in the cable trench 1 changes, the floating ball 3 moves along with the water level, and when the floating ball 3 floats up and down, the floating ball 3 can be limited between the guide rods 6 through the sliding connection of the connecting rod 5 and the guide rods 6, so that the floating ball 3 can not move to other positions in the cable trench 1 when floating, the problem that the floating ball 3 is limited by a rope in the prior art and moves to the side wall of the cable trench 1 in the floating process, and the floating ball 3 is possibly clamped at the convex part on the side wall of the cable trench 1, so that the floating ball 3 can not float upwards and the accuracy of the detection data of the water level sensor on the floating ball 3 is influenced is avoided, secondly, the distance between the floating ball 3 and the bottom of the cover plate 2 can be detected through the water level sensor 4 on the floating ball 3, and because the depth of the cable trench 1 is constant, the height value of the water level in the cable trench 1 can be obtained through the distance between the floating ball 3 and the, the water level in the cable trench is detected in real time, and when the detected water level exceeds a preset value range of the water level sensor 4, the motor 10 is driven to rotate through the controller, so that water flow in the cable trench 1 can be rapidly discharged from the water outlet 11 through the spiral stirring blade 15 on the rotating shaft 14, the cable in the cable trench 1 is prevented from being damaged due to high water level, and the cable is protected;

in addition, the motor 10 on the drainage device can be independently started, namely when the drainage port 11 drains water for a long time, sludge around the drainage port 11 can be cut up through the rotating spiral stirring blade 15 by independently driving the motor 10, so that the drainage efficiency of the cable trench 1 is prevented from being influenced by blockage of the drainage port 11, and normal drainage of the cable trench 1 is ensured;

during operation of the water level sensor 4, the water level sensor 4 is separated from water flow through the hollow groove 9, so that influence of the water flow on the water level sensor 4 is reduced, normal operation of the water level sensor 4 is guaranteed, and the use process of the transformer substation drainage system operation monitoring device is completed.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. A transformer substation drainage system operation monitoring device comprises a cable trench (1), a cover plate (2), a floating ball (3), a water level sensor (4) and a water outlet (11), wherein the cover plate (2) is arranged at the top of the cable trench (1), the floating ball (3) is arranged in the cable trench (1), the water level sensor (4) is installed on the floating ball (3), the water outlet (11) is arranged at one side of the cable trench (1), the transformer substation drainage system operation monitoring device is characterized in that a limiting mechanism for guiding the up-and-down movement of the floating ball (3) is arranged in the cable trench (1), the limiting mechanism comprises guide rods (6) which are vertically arranged and are arranged at equal intervals along the outer side of the periphery of the floating ball (3), connecting rods (5) which are arranged on the periphery of the floating ball (3) and correspond to the guide rods (6) one by one, each connecting rod (5) is provided with a through hole (7) for the, and each connecting rod (5) is in sliding connection with the corresponding guide rod (6), the upper end and the lower end of each guide rod (6) are respectively connected with the bottom end of the cover plate (2) and the inner bottom of the cable trench (1), and a drainage device is arranged on the water outlet (11).

2. A substation drainage system operation monitoring device according to claim 1, wherein the guide bar (6) is of a cuboid structure and the perforations (7) are of a rectangular structure.

3. A substation drainage system operation monitoring device according to claim 2, characterized in that the four side walls of the through hole (7) are each provided with a roller (8) contacting the corresponding side wall of the guide bar (6).

4. The substation drainage system operation monitoring device according to claim 1, wherein a hollowed groove (9) in a rectangular frame structure is connected to the top of the floating ball (3) through a bolt, the open end of the hollowed groove (9) faces the top of the floating ball (3), the inner top of the hollowed groove (9) is not in contact with the top end face of the floating ball (3), and the water level sensor (4) is installed on the hollowed groove (9).

5. The substation drainage system operation monitoring device according to claim 1, wherein the drainage device comprises a drainage groove (12) horizontally arranged on the drainage port (11), a water outlet (13) arranged on the right side of the bottom of the drainage groove (12), a rotating shaft (14) horizontally arranged in the drainage groove (12) and with the right end extending to the outer side of the drainage groove (12), and a spiral stirring blade (15) fixedly arranged on the rotating shaft (14), wherein the motor (10) is installed at one end of the rotating shaft (14) on the right side of the drainage groove (12), and the free end of the rotating shaft (14) passes through the drainage port (11) and extends to the inside of the cable trench (1).