CN215645802U - Safety operation management device for switching station - Google Patents
Safety operation management device for switching station Download PDFInfo
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- CN215645802U CN215645802U CN202121655631.9U CN202121655631U CN215645802U CN 215645802 U CN215645802 U CN 215645802U CN 202121655631 U CN202121655631 U CN 202121655631U CN 215645802 U CN215645802 U CN 215645802U
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Abstract
The utility model discloses a safe operation management device for a switching station, which comprises a one-way air inlet mechanism, a one-way exhaust mechanism, a nitrogen making machine, an oxygen sensor, a controller, a starting key, a closing key, a magnetic lock, a ceiling fan and an air conditioner, wherein the one-way air inlet mechanism is connected with the one-way exhaust mechanism; the unidirectional air inlet mechanism and the unidirectional air outlet mechanism are arranged on the side wall of the switching station, and the unidirectional air outlet mechanism and the air conditioner are connected with the controller; the nitrogen making machine and the oxygen sensor are both connected with the controller; the magnetic lock is arranged on a door body of the switching station and is connected with the controller; the nitrogen making machine, the starting key and the closing key are arranged on the outer side of the switch station and are connected with the controller, an air inlet of the nitrogen making machine is provided with an air pipeline, and a nitrogen outlet of the nitrogen making machine is provided with a nitrogen pipeline; the ceiling fan is fixed on the ceiling of the switch station and is connected with the controller. The utility model has the advantages of managing the safe operation of the switch station, preventing the fire in the switch station to reduce the loss, and having lower energy consumption, good safety and low maintenance frequency.
Description
Technical Field
The utility model belongs to the field of switching stations, and particularly relates to a safe operation management device for a switching station.
Background
The electric power facilities which selectively connect or cut off the electric power system (power grid) and the electric equipment of the user are called a switch station through a switch device, an air conditioner is generally arranged in the switch station, and a door body which is rotatably connected is arranged on the side wall of the switch station and is used for entering when a worker overhauls the switch station. Generally, the voltage class of a switching station is 10kV or more, electricity from a power grid is distributed to a plurality of power substations, and in order to improve safety and reduce the possibility of electric shock to workers, a control room is usually arranged on one side of the switching station, and workers can operate a switching device in the control room and generally cannot enter the switching station except for regular maintenance. When the switching device is energized for a long time, the switching device may generate heat to some extent, and when the switching device is aged, the switching device may be overheated, and the line may be aged, and the internal of the switching station may be ignited. At present, a monitoring system is arranged in a switch station, an alarm is given out at the moment of fire in the switch station, so that workers can extinguish the fire in time, but the fire is not the cause of symptoms and root causes, and even if the fire is successfully extinguished, a part of equipment in the switch station is damaged, and huge loss is caused. Therefore, there is a need for a device to manage the safe operation of a switchyard, prevent fires inside the switchyard, and reduce losses.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe operation management device for a switching station. The utility model has the advantages of managing the safe operation of the switch station, preventing the fire in the switch station to reduce the loss, and having lower energy consumption, good safety and low maintenance frequency.
The technical scheme of the utility model is as follows: a safe operation management device for a switching station comprises a one-way air inlet mechanism, a one-way exhaust mechanism, a nitrogen making machine, an oxygen sensor, a controller, a start key, a close key, a magnetic lock, a ceiling fan and an air conditioner;
the unidirectional air inlet mechanism and the unidirectional air outlet mechanism are arranged on the side wall of the switching station, and the unidirectional air outlet mechanism and the air conditioner are connected with the controller;
the oxygen sensor is arranged in the switch station, the nitrogen making machine and the oxygen sensor are both connected with the controller, and the oxygen sensor is positioned on one side of the one-way exhaust mechanism;
the magnetic lock is arranged on a door body of the switching station and is connected with the controller;
the nitrogen making machine, the starting key and the closing key are arranged on the outer side of the switch station, the starting key and the closing key are connected with the controller, an air inlet of the nitrogen making machine is provided with an air pipeline extending into the switch station, and a nitrogen outlet of the nitrogen making machine is provided with a nitrogen pipeline extending into the switch station;
the ceiling fan is fixed on the ceiling of the switch station and is connected with the controller.
In the safe operation management device for the switching station, the one-way air inlet mechanism comprises an air inlet pipe penetrating through a side wall of the switching station, a first inclined plane is arranged at the end part, located in the switching station, of the air inlet pipe, an air inlet sealing plate is arranged on the first inclined plane, and the upper end of the air inlet sealing plate is hinged to the air inlet pipe through a first hinge.
In the safe operation management device for the switching station, the one-way exhaust mechanism comprises an exhaust pipe penetrating through the side wall of the switching station, an exhaust fan is arranged in the exhaust pipe, a second inclined plane is arranged at the end part, located on the outer side of the switching station, of the exhaust pipe, an exhaust sealing plate is arranged on the second inclined plane, and the upper end of the exhaust sealing plate is hinged to the exhaust pipe through a second hinge.
In the safety operation management device for the switching station, the oxygen sensor is positioned on one side of the one-way exhaust mechanism.
In the safety operation management device for the switching station, the outer side end of the air inlet pipe is bent downwards to form a vertical pipe, the upper end and the lower end of the vertical pipe are respectively provided with a first partition plate and a second partition plate, the lower side of the second partition plate is provided with a water absorption cotton plate, a plurality of aluminum pipes are arranged between the first partition plate and the second partition plate, the inner walls of the aluminum pipes are provided with rib plates with a spiral angle of 3-8 degrees, the upper end and the lower end of each aluminum pipe respectively penetrate through the first partition plate and the second partition plate, the side wall of the upper end of the vertical pipe is provided with a third pipeline, the third pipeline is connected with an air outlet of an air conditioner, and the side wall of the lower end of the vertical pipe is provided with a fourth pipeline extending into the switching station.
Compared with the prior art, the utility model can manage the oxygen content of the air in the switching station, so that the indoor oxygen content is continuously lower than 4% under the normal working state of the switching station, thereby ensuring that the interior of the switching station cannot be ignited, fundamentally avoiding the ignition of the switching station, preventing the equipment in the switching station from being damaged due to the ignition and ensuring the safe operation of the switching station. In addition, the utility model also has the advantages of lower energy consumption, good safety and low maintenance frequency through the optimization of the structure. Therefore, the utility model has the advantages of managing the safe operation of the switch station, preventing the fire in the switch station to reduce the loss, and having lower energy consumption, good safety and low maintenance frequency.
Drawings
FIG. 1 is a structural schematic of the present invention.
FIG. 2 is a sectional view of the aluminum pipe.
The labels in the figures are: 1-nitrogen making machine, 2-oxygen sensor, 3-controller, 4-start key, 5-close key, 6-magnetic lock, 7-air conditioner, 8-air pipeline, 9-nitrogen pipeline, 10-air inlet pipe, 11-air inlet sealing plate, 12-first hinge, 13-air outlet pipe, 14-air outlet fan, 15-air outlet sealing plate, 16-second hinge, 17-vertical pipe, 18-first clapboard, 19-second clapboard, 20-water absorption cotton board, 21-aluminum pipe, 22-rib board, 23-third pipeline, 24-fourth pipeline and 25-door body.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not to be construed as limiting the utility model.
Examples are given. A switching station safe operation management device is shown in figure 1 and comprises a one-way air inlet mechanism, a one-way exhaust mechanism, a nitrogen making machine 1, an oxygen sensor 2, a controller 3, a starting key 4, a closing key 5, a magnetic lock 6, a ceiling fan 26 and an air conditioner 7;
the unidirectional air inlet mechanism and the unidirectional air outlet mechanism are arranged on the side wall of the switching station, and the unidirectional air outlet mechanism and the air conditioner 7 are connected with the controller 3;
the oxygen sensor 2 is arranged in the switch station, and the nitrogen generator 1 and the oxygen sensor 2 are both connected with the controller 3;
the magnetic lock 6 is arranged on the door body 25 of the switching station, and the magnetic lock 6 is connected with the controller 3;
the nitrogen making machine 1, the starting key 4 and the closing key 5 are arranged on the outer side of the switching station, the starting key 4 and the closing key 5 are connected with the controller 3, an air inlet of the nitrogen making machine 1 is provided with an air pipeline 8 extending into the switching station, and a nitrogen outlet of the nitrogen making machine 1 is provided with a nitrogen pipeline 9 extending into the switching station;
the ceiling fans 26 are fixed on the ceiling of the switch station, the ceiling fans 26 are connected with the controller 3, the number of the ceiling fans 26 is determined according to the floor area of the switch station, and the larger the floor area of the switch station is, the larger the number of the ceiling fans 26 is.
The one-way air inlet mechanism comprises an air inlet pipe 10 penetrating through a side wall of the switching station, a first inclined plane is arranged at the end part, located in the switching station, of the air inlet pipe 10, an air inlet sealing plate 11 is arranged on the first inclined plane, and the upper end of the air inlet sealing plate 11 is hinged to the air inlet pipe 10 through a first hinge 12.
The one-way exhaust mechanism comprises an exhaust pipe 13 penetrating through the side wall of the switching station, an exhaust fan 14 connected with the controller 3 is arranged in the exhaust pipe 13, a second inclined plane is arranged at the end part, located on the outer side of the switching station, of the exhaust pipe 13, an exhaust sealing plate 15 is arranged on the second inclined plane, and the upper end of the exhaust sealing plate 15 is hinged to the exhaust pipe 13 through a second hinge 16.
The oxygen sensor 2 is positioned at one side of the one-way exhaust mechanism.
The air inlet pipe 10 is characterized in that the outer side end is bent downwards to form a vertical pipe 17, a first partition plate 18 and a second partition plate 19 are respectively arranged at the upper end and the lower end of the vertical pipe 17, a water absorption cotton plate 20 is arranged at the lower side of the second partition plate 19, a plurality of aluminum pipes 21 are arranged between the first partition plate 18 and the second partition plate 19, rib plates 22 with helical angles of 3-8 degrees are arranged on the inner walls of the aluminum pipes 21, the upper end and the lower end of each aluminum pipe 21 respectively penetrate through the first partition plate 18 and the second partition plate 19, a third pipeline 23 is arranged on the side wall of the upper end of the vertical pipe 17, the third pipeline 23 is connected with an air outlet of the air conditioner 7, and a fourth pipeline 24 extending into the switching station is arranged on the side wall of the lower end of the vertical pipe 17.
The air conditioner 7 comprises an outer machine and an inner machine, the outer machine is fixed to the outer side wall surface of the switch station, and the inner machine is fixed to the inner side wall surface of the switch station.
In order to improve the sealing performance of the switching station, sealing strips are preferably arranged on the door body 25, the air inlet sealing plate 11 and the exhaust sealing plate 15 of the switching station.
The working principle is as follows: when the switching station operates normally, the starting key 4 is pressed, and the controller 3 enables the magnetic lock 6 to be locked, the nitrogen making machine 1 to work, the air conditioner 7 to work, the exhaust fan 14 to stop and the ceiling fan 26 to work. The magnetic lock 6 prevents the door 25 of the switching station from being opened, and prevents people from entering. Air enters into nitrogen generator 1 through air conduit 8 in the switch station, air separation becomes nitrogen gas and oxygen, oxygen directly discharges, nitrogen gas enters into the switch station through nitrogen conduit 9, make the oxygen content in the switch station reduce gradually, controller 3 acquires the oxygen concentration in the switch station through oxygen sensor 2, when oxygen concentration is less than 4%, controller 3 makes nitrogen generator 1, air conditioner 7 and ceiling fan 26 all stop work, because oxygen concentration in the switch station is low, the switch station is inside can not catch fire. Ceiling fan 26 makes the inside air flow of switch station to oxygen distribution is even, makes the oxygen concentration that oxygen sensor 2 detected and the interior average oxygen concentration of switch station be close to mutually, improves and detects the precision. As the nitrogen making machine 1 discharges oxygen in the switch station, the pressure in the switch station is reduced, and the outside air enters the switch station through the water absorbent cotton plate 20, the aluminum pipe 21, the air inlet pipe 10 and the air inlet closing plate 11 in sequence. Air in the switching station circulates through an inner machine of the air conditioner 7, cold air blown out returns to the switching station through a third pipeline 23, a vertical pipe 17 and a fourth pipeline 24, the cold air cools the air entering the switching station through an aluminum pipe 21 to condense water vapor in the air, a rib plate 22 enables the air in the aluminum pipe 21 to advance spirally, fully contacts with the aluminum pipe, so that the water vapor is more thoroughly condensed, the air entering the switch station is dried, the humidity in the switch station is reduced, thereby reducing the aging and corrosion speed of the switch device in the switch station, reducing the possibility of fire, and dripping the condensed water vapor on the water absorption cotton plate under the action of gravity to moisten the water absorption cotton plate, the air entering the switch station is more effectively filtered, the dust content in the air is reduced, this also reduces the rate of aging corrosion of the switchgear in the switchgear station, reducing the possibility of fire. And the condensed water dissolves dust on the water absorption cotton plate and drops again to take away the dust, so that the water absorption cotton plate is kept clean, the water absorption cotton plate is prevented from being blocked, and the maintenance frequency is reduced.
When the switching station is overhauled, the closing key 5 is pressed, the controller 3 enables the nitrogen generator 1 to stop, the ceiling fan 26 to work and the exhaust fan 14 to work, air with low oxygen concentration in the switching station is exhausted from the exhaust pipe 13 under the action of the exhaust fan 14, air with high oxygen concentration outside the switching station enters the switching station from the air inlet pipe 10, and oxygen in all places in the switching station is uniformly distributed under the action of the ceiling fan 26. The controller 3 acquires the oxygen concentration in the switch station through the oxygen sensor 2, and when the oxygen concentration is greater than 19%, the controller 3 enables the magnetic lock 6 to be opened, so that a maintainer can enter the switch station.
The utility model is suitable for large-scale switch stations with the floor area more than 100 square.
The utility model has the advantages of managing the safe operation of the switch station, preventing the fire in the switch station to reduce the loss, and having lower energy consumption, good safety and low maintenance frequency.
Claims (4)
1. The utility model provides a switching station safe operation management device which characterized in that: comprises a one-way air inlet mechanism, a one-way exhaust mechanism, a nitrogen making machine (1), an oxygen sensor (2), a controller (3), a start key (4), a close key (5), a magnetic lock (6), a ceiling fan (26) and an air conditioner (7);
the unidirectional air inlet mechanism and the unidirectional air outlet mechanism are both arranged on the side wall of the switching station, and the unidirectional air outlet mechanism and the air conditioner (7) are both connected with the controller (3);
the oxygen sensor (2) is arranged in the switch station, the nitrogen generator (1) and the oxygen sensor (2) are both connected with the controller (3), and the oxygen sensor (2) is positioned on one side of the one-way exhaust mechanism;
the magnetic lock (6) is arranged on a door body of the switching station, and the magnetic lock (6) is connected with the controller (3);
the nitrogen making machine (1), the starting key (4) and the closing key (5) are arranged on the outer side of the switching station, the starting key (4) and the closing key (5) are connected with the controller (3), an air pipeline (8) stretching into the switching station is arranged at an air inlet of the nitrogen making machine (1), and a nitrogen pipeline (9) stretching into the switching station is arranged at a nitrogen outlet of the nitrogen making machine (1);
the ceiling fan (26) is fixed on the ceiling of the switch station, and the ceiling fan (26) is connected with the controller (3).
2. The switchyard safe operation management device according to claim 1, characterized in that: one-way air inlet mechanism is including passing intake pipe (10) of cubical switchboard side wall, and the tip that intake pipe (10) are located the cubical switchboard is equipped with first inclined plane, is equipped with air inlet closing plate (11) on the first inclined plane, and air inlet closing plate (11)'s upper end is articulated through first hinge (12) and intake pipe (10).
3. The switchyard safe operation management device according to claim 1, characterized in that: the one-way exhaust mechanism comprises an exhaust pipe (13) penetrating through the side wall of the switch station, an exhaust fan (14) is arranged in the exhaust pipe (13), a second inclined plane is arranged at the end part, located on the outer side of the switch station, of the exhaust pipe (13), an exhaust sealing plate (15) is arranged on the second inclined plane, and the upper end of the exhaust sealing plate (15) is hinged to the exhaust pipe (13) through a second hinge (16).
4. The switchyard safe operation management device according to claim 2, characterized in that: the air conditioner is characterized in that the outer side end of the air inlet pipe (10) is bent downwards to form a vertical pipe (17), the upper end and the lower end of the vertical pipe (17) are respectively provided with a first partition plate (18) and a second partition plate (19), the lower side of the second partition plate (19) is provided with a water absorption cotton plate (20), a plurality of aluminum pipes (21) are arranged between the first partition plate (18) and the second partition plate (19), the inner wall of each aluminum pipe (21) is provided with a rib plate (22) with a spiral angle of 3-8 degrees, the upper end and the lower end of each aluminum pipe (21) respectively penetrate through the first partition plate (18) and the second partition plate (19), the side wall of the upper end of the vertical pipe (17) is provided with a third pipeline (23), the third pipeline (23) is connected with an air outlet of the air conditioner (7), and the side wall of the lower end of the vertical pipe (17) is provided with a fourth pipeline (24) extending into the switch station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655631.9U CN215645802U (en) | 2021-07-20 | 2021-07-20 | Safety operation management device for switching station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655631.9U CN215645802U (en) | 2021-07-20 | 2021-07-20 | Safety operation management device for switching station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215645802U true CN215645802U (en) | 2022-01-25 |
Family
ID=79891211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121655631.9U Active CN215645802U (en) | 2021-07-20 | 2021-07-20 | Safety operation management device for switching station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215645802U (en) |
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2021
- 2021-07-20 CN CN202121655631.9U patent/CN215645802U/en active Active
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