CN112221048A - Be used for transformer substation's sandblast fire control unit - Google Patents
Be used for transformer substation's sandblast fire control unit Download PDFInfo
- Publication number
- CN112221048A CN112221048A CN202011232662.3A CN202011232662A CN112221048A CN 112221048 A CN112221048 A CN 112221048A CN 202011232662 A CN202011232662 A CN 202011232662A CN 112221048 A CN112221048 A CN 112221048A
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- Prior art keywords
- control
- controller
- output module
- substation
- fire
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C99/00—Subject matter not provided for in other groups of this subclass
- A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a sand-blasting fire-fighting device for a transformer substation, which comprises a control box, a standby power supply, a sand storage box, an air compression device, a pipeline, a hose, a plurality of infrared detection sensors and an electromagnetic control device. The device can completely cut off the fire source as fire extinguishing material through the sand, controls the intensity of a fire, can reduce the damage of transformer under the condition that the circuit cuts off the power supply completely at the sand, has other fire extinguishers and does not have the advantage.
Description
Technical Field
The invention belongs to the technical field of electric power, and relates to a sand-blasting fire-fighting device for a transformer substation.
Background
The transformer, the voltage transformer, the current transformer and the like of primary equipment in the transformer substation mostly adopt an oil immersion insulation mode, the consumption of mineral insulation oil is large, for example, the single-phase oil weight of a 500kV main transformer is about 50t, the single-phase oil weight of a 1000kV main transformer is about 130t, and the single-phase oil weight of a high-voltage reactor is about 70 t. The flash point of the insulating oil is 135-150 ℃, the ignition point is 165-195 ℃, the self-ignition point is about 332 ℃, the insulating oil is easy to evaporate and combust, and the insulating oil can form an explosive mixture by being mixed with air. The storage battery in the transformer substation is in a standby state and is connected with the charger in parallel to operate, all equipment such as a protection device, an automation device and emergency lighting are powered by direct current, and the using amount is large. The transformer substation also comprises primary and secondary equipment such as a secondary equipment room and a cable trench, and fire danger is easy to occur. If the above-mentioned equipment is in overload, short circuit or other faults, it is damaged or burnt if it is light, and it is fire and explosion if it is heavy, so that it can seriously damage power supply reliability, and its danger is large and loss is large, and if it is large-area power failure, it also has large social negative effect.
The main fire-fighting systems in the existing transformer substations in China are oil-discharging and nitrogen-injecting devices, foam fire-extinguishing systems or water-spraying fire-extinguishing devices, but the systems are difficult to maintain and detect. The malfunction of the oil discharge and nitrogen injection device can possibly cause permanent damage to the main transformer. Therefore, a novel and convenient-to-maintain fire-fighting device is urgently needed, the blank fire-fighting area of the transformer substation is filled, the fire-fighting monitoring and automatic fire-extinguishing functions of the transformer substation are improved, and the effects of effective prevention and fire fighting are achieved.
Disclosure of Invention
In order to solve the problems, the sand-blasting fire-fighting device for the transformer substation can isolate a fire source and control fire through taking sand as a fire-extinguishing material, can reduce the damage of a transformer under the condition that a circuit is completely powered off, and has the advantages of other fire extinguishers.
The invention provides a sand-blasting fire-fighting device for a transformer substation, which comprises a control box, a standby power supply, a sand storage box, an air compression device, a pipeline, a hose, a plurality of infrared detection sensors and an electromagnetic control device, wherein the control box is arranged on the sand storage box, a controller is arranged in the control box, the standby power supply is arranged in the control box, the air compression device is connected with the bottom of the sand storage box through the pipeline, the pipeline is provided with the electromagnetic valve and is respectively connected with a fire area which is easy to occur in the transformer substation through a plurality of hoses, the hose is provided with a proportional control valve, the infrared detection sensors are arranged in the fire area which is easy to occur in the transformer substation, and the electromagnetic control device is arranged at a power inlet wire of the transformer substation and is used for controlling the power supply of the.
The controller comprises a power input end, a control chip, a control panel, a digital quantity output module, an analog quantity detection module and an analog quantity output module, wherein the power input end is connected with a standby power supply through a connecting wire, the standby power supply supplies power to the controller, the control chip is connected with the digital quantity output module, the analog quantity detection module and the analog quantity output module, the digital quantity control module can control the operation of the sand storage box, the air compression device, the electromagnetic valve and the electromagnetic control device, the analog quantity detection module can detect parameter values in the infrared detection sensor, and the analog quantity output module can control the operation of the proportional control valve.
Furthermore, a ventilation hole is formed in the upper end of the sand storage box, a fan is arranged on the ventilation hole, the fan is provided with a power input end, the power input end is connected with a digital quantity output module of the controller through a connecting wire, and the controller can control the operation of the rotating motor, so that sand in the sand storage box is stirred, and the flowability of the sand is ensured. The sand box storage device comprises a sand box, a rotating motor, a stirring part, a power input end and a control end, wherein the rotating motor is arranged in the sand box, the power input end and the control end of the rotating motor are connected with a standby power supply through connecting wires, and the control end is connected with a digital quantity output module of a controller through connecting wires. Through the operation of control fan, keep depositing the mobility of the interior air of sandbox, control the humidity of depositing the interior sandbox, avoid the sand to condense under humid air, influence the mobility of sand.
The air compression device is further provided with a power supply input end and a control end, the power supply input end is connected with a standby power supply through a connecting wire, and the control end is connected with a digital quantity output module of the controller through the connecting wire, so that the controller can automatically control the operation of the air compression device.
The electromagnetic valve is further provided with a power supply input end, and the power supply input end is connected with a digital quantity output module of the controller through a connecting wire, so that the controller can automatically control the operation of the electromagnetic valve.
The proportional control valve is further provided with a power supply input end and a control end, the power supply input end is connected with a standby power supply through a connecting wire, and the control end is connected with an analog quantity output module of the controller through a connecting wire, so that the controller can automatically control the opening degree of the proportional control valve.
The electromagnetic control device is further provided with an electromagnetic input end, and the electromagnetic input end is connected with a digital quantity output module of the controller through a connecting wire, so that the controller can automatically control the operation of the electromagnetic control device. The electromagnetic control device is operated through the controller, a power supply in the transformer substation is disconnected, a fire source in the transformer substation is conveniently extinguished, and the condition that short circuit is caused in the flowing process of sand is prevented.
The infrared detection sensor further comprises a detection port and a signal transmission port, the detection port can detect the distribution image of the target infrared radiation in the transformer substation, the signal transmission port is connected with the analog quantity detection module of the controller through a connecting wire, and the detected distribution image in the transformer substation can be transmitted into the controller.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a sand-blasting fire-fighting device for a transformer substation;
fig. 2 is a schematic diagram of a sand storage box of the sand-blasting fire-fighting device for the transformer substation.
In the figure: 1. a control box; 2. a standby power supply; 3. storing a sandbox; 4. an air compression device; 5. a pipeline; 6. a hose; 7. an infrared detection sensor; 8. an electromagnetic control device; 9. a proportional control valve; 10. a fan; 11. rotating the motor; 12. a stirring section; 13. an electromagnetic valve.
Detailed Description
The following describes in detail a specific embodiment of the present invention, which is used for a substation sandblasting fire fighting device, with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a sand-blasting fire-fighting device for a transformer substation, which comprises a control box 1, a standby power supply 2, a sand storage box 3, an air compression device 4, a pipeline 5, a hose 6, a plurality of infrared detection sensors 7 and an electromagnetic control device 8, wherein the control box 1 is arranged on the sand storage box 3, a controller is arranged in the control box 1, the standby power supply 2 is arranged in the control box 1, the air compression device 4 is connected with the bottom of the sand storage box 3 through a pipeline 5, the pipeline 5 is provided with an electromagnetic valve 13 and is respectively connected with a fire area which is easy to happen in the transformer substation through a plurality of hoses 6, a proportional control valve 9 is installed on the hose 6, the infrared detection sensor 7 is installed in a fire area which is easy to happen in a transformer substation, the electromagnetic control device 8 is installed at a power inlet wire of the transformer substation and used for controlling a power supply of the transformer substation.
According to the above, the controller includes a power input end, a control chip, a control panel, a digital output module, an analog detection module and an analog output module, the power input end is connected with the standby power supply 2 through a connecting wire, the standby power supply 2 supplies power to the controller, the control chip is connected with the digital output module, the analog detection module and the analog output module, the digital control module can control the operation of the sand storage box 3, the air compression device 4, the electromagnetic valve 13 and the electromagnetic control device 8, the analog detection module can detect the parameter value in the infrared detection sensor 7, and the analog output module can control the operation of the proportional control valve 9.
As shown in fig. 2, the upper end of the sand storage box 3 is provided with a vent hole, a fan 10 is mounted on the vent hole, the fan 10 is provided with a power input end, the power input end is connected with a digital output module of a controller through a connecting wire, and the controller can control the operation of the rotating motor 11, so that sand in the sand storage box 3 is stirred, and the fluidity of the sand is ensured. The sand storage box 3 is internally provided with a rotating motor 11, a rotating shaft of the rotating motor 11 is provided with a stirring part 12, a power input end and a control end of the rotating motor 11 are connected with the standby power supply 2 through a connecting wire, and the control end is connected with a digital quantity output module of the controller through a connecting wire. By controlling the operation of the control fan 10, the fluidity of the air in the sand storage box 3 is kept, the humidity in the sand storage box 3 is controlled, and the influence on the fluidity of the sand caused by the condensation of the sand in the humid air is avoided.
According to the above, the air compression device 4 has a power input end and a control end, the power input end is connected with the standby power supply 2 through a connecting wire, and the control end is connected with the digital output module of the controller through a connecting wire, so that the controller can automatically control the operation of the air compression device 4.
According to the above, the electromagnetic valve 13 has a power input end, and the power input end is connected with the digital output module of the controller through a connecting wire, so that the controller can automatically control the operation of the electromagnetic valve 13.
According to the above, the proportional control valve 9 has a power input end and a control end, the power input end is connected with the standby power supply 2 through a connecting line, and the control end is connected with the analog output module of the controller through a connecting line, so that the controller can automatically control the opening degree of the proportional control valve 9.
According to the above, the electromagnetic control device 8 has an electromagnetic input end, and the electromagnetic input end is connected with a digital output module of the controller through a connecting wire, so that the controller can automatically control the operation of the electromagnetic control device 8. The electromagnetic control device 8 is operated through the controller, a power supply in the transformer substation is disconnected, a fire source in the transformer substation is conveniently extinguished, and the condition that short circuit is caused in the flowing process of sand is prevented.
According to the above, the infrared detection sensor 7 includes a detection port and a signal transmission port, the detection port can detect the distribution image of the target infrared radiation in the substation, and the signal transmission port is connected to the analog quantity detection module of the controller through a connection line, and can transmit the detected distribution image in the substation to the controller.
The working principle of the sand-blasting fire-fighting device for the transformer substation is as follows: the running time period of the rotating motor 11 in the sand storage box 3 is set on the controller, the controller controls the rotating motor 11 to run in the set time period, the rotating motor 11 drives the stirring part 12 to run in the running process, the stirring part 12 stirs sand in the sand storage box 3, sand in the sand storage box 3 is turned over, and dryness and the humidity value of the sand are kept. In the operation time period, the controller can control the fan 10 of the sand storage box 3 to operate, the humidity air in the sand storage box 3 is discharged, the mobility of the air in the sand storage box 3 is kept, and the influence on the mobility of sand caused by condensation of the humidity air and the sand is avoided. When a fire breaks out in a place that is prone to fire in the substation, the infrared detection sensor 7 at the location can detect an image of the distribution of infrared radiation in the area of the fire and transmit the image into the controller. After the controller detects the image and judges that the fire disaster situation exists, the electromagnetic control device 8 is immediately operated to cut off the power supply of the transformer substation, then the electromagnetic valve 13, the air compression device 4 and the proportional control valve 9 at the hose 6 at the fire disaster occurrence position are operated to transmit the sand in the sand storage box 3 to the fire disaster occurrence position, and the sand is put out. If, the transformer substation is on fire in many places, and the proportional control valve 9 of controller can operation many places puts out many places conflagration, and under the effect of sand, the intensity of a fire of some conflagrations diminishes gradually, and the flow of this regional sand can be controlled through the degree of opening of control proportional control valve 9 to the controller, makes sand can put out in the great region of other intensity of a fire.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. The utility model provides a be used for transformer substation's fire control unit that sandblasts, a serial communication port, include control box, stand-by power supply, deposit sandbox, air compression device, pipeline, hose, a plurality of infrared detection sensor and solenoid electric installation, the control box is installed on depositing the sandbox, is equipped with the controller in this control box, stand-by power supply installs in the control box, air compression device links to each other through pipeline and the bottom of depositing the sandbox case, the solenoid valve has been installed on the pipeline to link to each other with the conflagration region that easily takes place in the transformer substation respectively through many hoses, installed the proportional control valve on this hose, infrared detection sensor installs in the conflagration region that easily takes place in the transformer substation, the power inlet wire department at the transformer substation is installed to solenoid electric control installation.
2. The substation sandblasting fire fighting device according to claim 1, wherein the controller comprises a digital quantity output module, an analog quantity detection module and an analog quantity output module, the digital quantity control module can control the operation of the sand storage box, the air compression device, the solenoid valve and the electromagnetic control device, the analog quantity detection module can detect the parameter value in the infrared detection sensor, and the analog quantity output module can control the operation of the proportional control valve.
3. The fire fighting device for sandblasting in substation of claim 2, wherein said sand storage box has a vent hole at the upper end, and a fan is mounted on said vent hole, said fan having a power input terminal connected to the digital output module of the controller through a connection wire.
4. The fire fighting device for the transformer substation sand blasting according to claim 3, wherein the sand storage box is internally provided with a rotating motor, a stirring part is arranged on a rotating shaft of the rotating motor, a power input end and a control end of the rotating motor are connected with a standby power supply through a connecting wire, and the control end is connected with a digital output module of the controller through a connecting wire.
5. The fire fighting apparatus for sandblasting at substation of claim 2, wherein said air compressor has a power input terminal connected to the backup power source through a connection line and a control terminal connected to the digital output module of the controller through a connection line.
6. The fire fighting apparatus for sandblasting in substation of claim 2, wherein said solenoid valve has a power input connected to the digital output module of the controller through a connection line.
7. The substation sandblasting fire fighting apparatus as claimed in claim 2, wherein said proportional control valve has a power input connected to a backup power source through a connection line and a control end connected to the analog output module of the controller through a connection line.
8. The fire fighting apparatus for sandblasting in substation of claim 2, wherein the electromagnetic control device has an electromagnetic input connected to the digital output module of the controller through a connection line.
9. The substation sandblasting fire fighting apparatus as claimed in claim 2, wherein said infrared detection sensor comprises a signal transmission port, and said signal transmission port is connected to the analog quantity detection module of the controller through a connection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232662.3A CN112221048A (en) | 2020-11-06 | 2020-11-06 | Be used for transformer substation's sandblast fire control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232662.3A CN112221048A (en) | 2020-11-06 | 2020-11-06 | Be used for transformer substation's sandblast fire control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112221048A true CN112221048A (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011232662.3A Pending CN112221048A (en) | 2020-11-06 | 2020-11-06 | Be used for transformer substation's sandblast fire control unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN112221048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126677A (en) * | 2021-04-07 | 2021-07-16 | 国网江苏省电力有限公司南通供电分公司 | Ventilation control system for transformer substation and control method thereof |
| CN114272532A (en) * | 2021-12-31 | 2022-04-05 | 江苏天瑞变压器有限公司 | Transformer operation monitoring device |
-
2020
- 2020-11-06 CN CN202011232662.3A patent/CN112221048A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113126677A (en) * | 2021-04-07 | 2021-07-16 | 国网江苏省电力有限公司南通供电分公司 | Ventilation control system for transformer substation and control method thereof |
| CN113126677B (en) * | 2021-04-07 | 2022-04-22 | 国网江苏省电力有限公司南通供电分公司 | Ventilation control system for transformer substation and control method thereof |
| CN114272532A (en) * | 2021-12-31 | 2022-04-05 | 江苏天瑞变压器有限公司 | Transformer operation monitoring device |
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