CN114142358B - Protective high-low voltage switch cabinet - Google Patents
Protective high-low voltage switch cabinet Download PDFInfo
- Publication number
- CN114142358B CN114142358B CN202111358822.3A CN202111358822A CN114142358B CN 114142358 B CN114142358 B CN 114142358B CN 202111358822 A CN202111358822 A CN 202111358822A CN 114142358 B CN114142358 B CN 114142358B
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- Prior art keywords
- box
- cabinet body
- low voltage
- piston plate
- communicating pipe
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- 230000001681 protective effect Effects 0.000 title claims abstract description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 26
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 26
- 239000000779 smoke Substances 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 238000005057 refrigeration Methods 0.000 claims description 61
- 238000009423 ventilation Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000006096 absorbing agent Substances 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the field of high-low voltage switch cabinets, in particular to a protective high-low voltage switch cabinet. The intelligent cabinet temperature control device comprises a cabinet body, a wind inlet machine, a wind outlet machine, a partition board, a protection component, a temperature sensor, a smoke sensor and a controller; the air inlet fan and the air outlet fan are respectively arranged at the upper end and the lower end of the cabinet body; the partition board is arranged between the air inlet fan and the air outlet fan, separates the cabinet body into a refrigerating chamber and an operating chamber, and is provided with a vent; the temperature sensor and the smoke sensor are arranged in the operation room; the protection component is arranged on the cabinet body; the controller is connected with the protection component, the temperature sensor and the smoke sensor through signals. The invention is provided with the protection component, and radiates heat and cools down through liquid carbon dioxide. Liquid carbon dioxide is rapidly sprayed out through a spray head through the movement of the second piston plate and the first piston plate, and preliminary fire extinguishment is performed. The second piston plate moves back and forth, the fire extinguishing agent is sprayed out, and the electric appliance is extinguished in a short distance from multiple directions and multiple angles. The device has good heat dissipation and fire resistance and strong protection performance.
Description
Technical Field
The invention relates to the field of high-low voltage switch cabinets, in particular to a protective high-low voltage switch cabinet.
Background
The high-low voltage switch cabinet is used for connecting high-voltage or low-voltage cables, the external line firstly enters the main control switch in the cabinet and then enters the sub-control switch, each shunt is arranged according to the requirements of the main control switch, the common power supply office and the power substation are all high-voltage cabinets, then the high-voltage cabinets and the power substations are reduced by transformers and then the low-voltage cabinets are connected to all power distribution boxes, and the internal structure is that a plurality of protection devices such as switch breakers are assembled into an integrated electrical device.
The electrical components and circuits in the existing high-low voltage switch cabinets are easy to generate electric sparks due to short circuit, the electric sparks can cause the electrical components and the circuits to fire, and rescue workers cannot reach the electric components and the circuits immediately, so that a protective high-low voltage switch cabinet is needed to solve the problem.
Disclosure of Invention
Aiming at the problems in the background technology, a protective high-low voltage switch cabinet is provided. The invention is provided with the protection component, and radiates heat and cools down through liquid carbon dioxide. Liquid carbon dioxide is rapidly sprayed out through a spray head through the movement of the second piston plate and the first piston plate, and preliminary fire extinguishment is performed. The second piston plate moves back and forth, the fire extinguishing agent is sprayed out, and the electric appliance is extinguished in a short distance from multiple directions and multiple angles. The device has good heat dissipation and fire resistance and strong protection performance.
The invention provides a protective high-low voltage switch cabinet which comprises a cabinet body, a wind inlet machine, a wind outlet machine, a partition plate, a protective component, a temperature sensor, a smoke sensor and a controller, wherein the temperature sensor is arranged on the cabinet body; the air inlet fan and the air outlet fan are respectively arranged at the upper end and the lower end of the cabinet body; the partition board is arranged between the air inlet fan and the air outlet fan, separates the cabinet body into a refrigerating chamber and an operating chamber, and is provided with a vent; the temperature sensor and the smoke sensor are arranged in the operation room; the protection component is arranged on the cabinet body; the controller is connected with the protection component, the temperature sensor and the smoke sensor through signals.
The protection component comprises a refrigeration box, a circulating pipe, a circulating pump, a first storage box, a spray head, a first piston plate, a first communicating pipe, a buffer box, a second storage box, a second communicating pipe, a fire extinguishing pipe, a third communicating pipe, a second piston plate and a driving piece; the first storage box, the buffer box and the second storage box are all arranged outside the cabinet body; the refrigeration box is arranged in the refrigeration chamber, is internally provided with liquid carbon dioxide, is communicated with the first storage box through a circulating pipe and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide; the spray head is arranged at the lower end of the refrigeration box, and the liquid outlet end extends into the operation chamber; the piston plate I moving up and down is arranged in the refrigeration box in a sliding way; the communicating pipe is communicated with the upper end of the refrigeration box and the front side of the buffer box; the lower end of the fire extinguishing pipe extends into the operation chamber, and the upper end extends into the refrigerating chamber; the second communicating pipe is communicated with the upper end of the fire extinguishing pipe and the front side of the buffer box; the third communicating pipe is communicated with the front side of the buffer box and the second storage box; a second storage box is internally provided with a dry powder extinguishing agent; the second piston plate is arranged in the buffer box and is driven by the driving piece to realize forward and backward sliding.
Preferably, a filter screen is arranged on the ventilation opening.
Preferably, the cabinet body is provided with a ventilation valve; the air inlet fan and the air outlet fan are respectively communicated with the outside through corresponding ventilation valves.
Preferably, an air guide frame is arranged outside the refrigeration box; the air guide frames are provided with a plurality of groups, and air guide channels are formed among the plurality of groups of air guide frames; the trend of the air guide channel is consistent with the air outlet direction of the air outlet fan.
Preferably, the circulating pipe, the spray head, the first communicating pipe, the second communicating pipe and the third communicating pipe are all provided with control valves.
Preferably, the fire extinguishing pipes are arranged along the vertical direction, and multidirectional nozzles are arranged on the pipes at intervals.
Preferably, the driving piece comprises a piston rod, a movable seat, a sliding block, a turntable and a motor I; one end of the piston rod extends into the buffer box and is connected with the piston plate II, and the other end of the piston rod is connected with the movable seat; a sliding groove is arranged at the bottom of the movable seat; the rotary table driven by the motor I is rotationally arranged at the rear side of the buffer box; the sliding block is arranged at the non-center position of the turntable and extends into the chute above and is in sliding connection with the chute wall.
Preferably, a limiting plate is arranged in the refrigeration box; the limiting plate is positioned below the first piston plate; the circulating pipe is communicated with the lower part of the limiting plate; an elastic piece is arranged between the limiting plate and the first piston plate.
Preferably, the cabinet body is provided with a dehumidifying part and a humidity sensor; the dehumidifying part comprises a mounting plate, a dehumidifying box, a motor II, a driving cover, a gear I, a gear II, a transmission shaft and a stirring sheet; the cabinet body is provided with a through hole; the mounting plate penetrates through the through hole and is detachably arranged outside the cabinet body; the moisture removing box is arranged on the through hole in a clamping way, a moisture absorbing hole is arranged on the moisture removing box, and a moisture absorbing agent is filled in the moisture removing box; the motor II and the driving cover are both arranged on the mounting plate, and the main shaft stretches into the driving cover and is connected with the gear I through a key; the second gear is meshed with the first gear and is connected with one end of the transmission shaft through a key; the other end of the transmission shaft extends into the dehumidifying box and is rotationally connected with the dehumidifying box, and meanwhile, the stirring piece is arranged outside the dehumidifying box.
Preferably, the mounting plate is provided with a feed inlet and a discharge outlet which are communicated with the dehumidifying box; pistons are arranged on the feed inlet and the discharge outlet.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention uses the liquid carbon dioxide in the refrigeration box to cool and cooperates with air circulation to achieve the purposes of speeding up heat dissipation and cooling. When a fire occurs, liquid carbon dioxide is rapidly sprayed out through the spray head through the movement of the second piston plate and the first piston plate, and the fire is primarily extinguished. The second piston plate moves back and forth, the fire extinguishing agent is sprayed out, and the electric appliance is extinguished in a short distance from multiple directions and multiple angles. The device has good heat dissipation and fire resistance and strong protection performance. The moisture absorbing agent is arranged to dehumidify the air in the cabinet body, the moisture absorbing pieces disperse the agglomerated moisture absorbing agent, the moisture absorbing effect is guaranteed, and the protection effect of the device is further improved.
Drawings
FIG. 1 is a front view of one embodiment of the present invention;
FIG. 2 is a rear view of an embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 4 is a schematic view showing the structure of a refrigerating chamber according to an embodiment of the present invention;
FIG. 5 is a schematic view showing an internal structure of a refrigeration case according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a driving member according to an embodiment of the present invention;
FIG. 7 is a schematic view showing an internal structure of a buffer tank according to an embodiment of the present invention;
FIG. 8 is a first view of a moisture removal member according to one embodiment of the present invention;
FIG. 9 is a second view of the moisture removal member in accordance with one embodiment of the present invention;
fig. 10 is a schematic view showing an internal structure of the dehumidifying box according to an embodiment of the present invention.
Reference numerals: 1. a cabinet body; 2. a wind inlet machine; 3. a blower fan; 4. a partition plate; 5. a vent; 6. a protective assembly; 7. a moisture removal member; 8. an operation chamber; 9. a refrigerating chamber; 10. a refrigeration box; 11. a circulation pipe; 12. a first storage box; 13. an air guiding frame; 14. a spray head; 15. a first piston plate; 16. a limiting plate; 17. an elastic member; 18. a first ventilation valve; 19. a buffer tank; 20. a storage box II; 21. a second communicating pipe; 22. a fire extinguishing pipe; 23. a nozzle; 24. a third communicating pipe; 25. a second piston plate; 26. a piston rod; 27. a movable seat; 28. a chute; 29. a slide block; 30. a turntable; 31. a first motor; 32. a moisture removal box; 33. a moisture absorption hole; 34. a second motor; 35. a drive housing; 36. a first gear; 37. a second gear; 38. a transmission shaft; 39. stirring sheets; 40. a piston; 41. a first communicating pipe; 42. and (3) mounting a plate.
Detailed Description
Example 1
1-5 and 7, the protective high-low voltage switch cabinet provided by the invention comprises a cabinet body 1, an air inlet machine 2, an air outlet machine 3, a partition plate 4, a protective component 6, a temperature sensor, a smoke sensor and a controller; the air inlet fan 2 and the air outlet fan 3 are respectively arranged at the upper end and the lower end of the cabinet body 1; the partition board 4 is arranged between the air inlet fan 2 and the air outlet fan 3, the cabinet body 1 is divided into a refrigerating chamber 9 and an operating chamber 8, and the partition board 4 is provided with a ventilation opening 5; the temperature sensor and the smoke sensor are arranged in the operation room 8; the protection component 6 is arranged on the cabinet body 1; the controller is in signal connection with the protection component 6, the temperature sensor and the smoke sensor.
The protection component 6 comprises a refrigeration box 10, a circulating pipe 11, a circulating pump, a first storage box 12, a spray head 14, a first piston plate 15, a first communicating pipe 41, a buffer box 19, a second storage box 20, a second communicating pipe 21, a fire extinguishing pipe 22, a third communicating pipe 24, a second piston plate 25 and a driving piece; the first storage box 12, the buffer box 19 and the second storage box 20 are all arranged outside the cabinet body 1; the refrigeration box 10 is arranged in the refrigeration chamber 9, is internally filled with liquid carbon dioxide, is communicated with the first storage box 12 through a circulating pipe 11 and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide, and the refrigeration box 10 is provided with a first ventilation valve 18; the spray head 14 is arranged at the lower end of the refrigeration box 10, and the liquid outlet end extends into the operation chamber 8; the piston plate I15 which moves up and down is arranged in the refrigeration box 10 in a sliding way; the first communicating pipe 41 is communicated with the upper end of the refrigeration box 10 and the front side of the buffer box 19; the lower end of the fire extinguishing pipe 22 stretches into the operation chamber 8, and the upper end stretches into the refrigerating chamber 9; the second communicating pipe 21 is communicated with the upper end of the fire extinguishing pipe 22 and the front side of the buffer box 19; the third communicating pipe 24 is communicated with the front side of the buffer tank 19 and the second storage tank 20; the second storage box 20 is filled with a dry powder extinguishing agent; the second piston plate 25 is disposed inside the buffer box 19 and is driven by a driving member to slide back and forth. The buffer tank 19 is provided with a second vent valve.
The working principle of this embodiment is as follows: the temperature sensor and the smoke sensor monitor the working environment of the cabinet body 1, and the liquid carbon dioxide in the refrigeration box 10 is utilized for cooling. When the temperature is monitored to exceed the set threshold, the air inlet machine 2, the air outlet machine 3 and the circulating pump are opened. The liquid carbon dioxide circularly flows, and the refrigerating effect is stable. The air inlet fan 2 and the air outlet fan 3 are matched, so that cold air circulates downwards, hot air flows out from the lower part, and the purposes of accelerating heat dissipation and cooling are achieved. When the smoke sensor monitors a fire, the second piston plate 25 moves forward, and the air in the buffer tank 19 is pushed into the refrigeration tank 10 through the first communication pipe 41. The piston plate one 15 is pressed down to rapidly spray the liquid carbon dioxide through the spray head 14. The liquid vaporization absorbs heat to quickly cool the electric appliances in the operation room 8, thereby achieving the aim of fire extinguishment. If the fire condition is large, the second piston plate 25 continues to move forwards and backwards, the fire extinguishing agent in the second storage box 20 is sucked into the buffer box 19 when the second piston plate 25 moves backwards, the fire extinguishing agent is pressed into the second communicating pipe 21 when the second piston plate 25 moves forwards, and finally the fire extinguishing agent is sprayed out through the fire extinguishing pipe 22, so that the electric appliance can be extinguished in a short distance.
Example two
1-5 and 7, the protective high-low voltage switch cabinet provided by the invention comprises a cabinet body 1, an air inlet machine 2, an air outlet machine 3, a partition plate 4, a protective component 6, a temperature sensor, a smoke sensor and a controller; the air inlet fan 2 and the air outlet fan 3 are respectively arranged at the upper end and the lower end of the cabinet body 1; the partition board 4 is arranged between the air inlet fan 2 and the air outlet fan 3, the cabinet body 1 is divided into a refrigerating chamber 9 and an operating chamber 8, and the partition board 4 is provided with a ventilation opening 5; the temperature sensor and the smoke sensor are arranged in the operation room 8; the protection component 6 is arranged on the cabinet body 1; the controller is in signal connection with the protection component 6, the temperature sensor and the smoke sensor.
The protection component 6 comprises a refrigeration box 10, a circulating pipe 11, a circulating pump, a first storage box 12, a spray head 14, a first piston plate 15, a first communicating pipe 41, a buffer box 19, a second storage box 20, a second communicating pipe 21, a fire extinguishing pipe 22, a third communicating pipe 24, a second piston plate 25 and a driving piece; the first storage box 12, the buffer box 19 and the second storage box 20 are all arranged outside the cabinet body 1; the refrigeration box 10 is arranged in the refrigeration chamber 9, is internally filled with liquid carbon dioxide, is communicated with the first storage box 12 through a circulating pipe 11 and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide, and the refrigeration box 10 is provided with a first ventilation valve 18; the spray head 14 is arranged at the lower end of the refrigeration box 10, and the liquid outlet end extends into the operation chamber 8; the piston plate I15 which moves up and down is arranged in the refrigeration box 10 in a sliding way; the first communicating pipe 41 is communicated with the upper end of the refrigeration box 10 and the front side of the buffer box 19; the lower end of the fire extinguishing pipe 22 stretches into the operation chamber 8, and the upper end stretches into the refrigerating chamber 9; the second communicating pipe 21 is communicated with the upper end of the fire extinguishing pipe 22 and the front side of the buffer box 19; the third communicating pipe 24 is communicated with the front side of the buffer tank 19 and the second storage tank 20; the second storage box 20 is filled with a dry powder extinguishing agent; the second piston plate 25 is disposed inside the buffer box 19 and is driven by a driving member to slide back and forth. The buffer tank 19 is provided with a second vent valve.
Further, be provided with the filter screen on the vent 5, filter the air that gets into cabinet body 1, avoid dust, debris to get into, cause electrical apparatus damage. A ventilation valve is arranged on the cabinet body 1; the air inlet fan 2 and the air outlet fan 3 are respectively communicated with the outside through corresponding ventilation valves, so that the ventilation state of the cabinet body 1 is controlled, and the entry of moisture and dust is reduced. An air guide frame 13 is arranged outside the refrigeration box 10; the air guide frames 13 are provided with a plurality of groups, and air guide channels are formed among the plurality of groups of air guide frames 13; the trend of the air guide channel is consistent with the air outlet direction of the air outlet fan 3. The air outlet fan 3 supplies air, and the air body exchanges heat with the refrigeration box 10 along the air guide channel and then enters the operation room 8 below, so that the refrigeration effect is improved. Control valves are provided on the circulation pipe 11, the spray head 14, the first communication pipe 41, the second communication pipe 21, and the third communication pipe 24. The feeding and discharging sequence is conveniently controlled, and the liquid carbon dioxide is used for extinguishing fire firstly, and then the dry powder extinguishing agent is used for extinguishing fire. The fire extinguishing pipe 22 is arranged along the vertical direction, and the multi-directional nozzles 23 are arranged on the pipe at intervals, so that fire can be extinguished from multiple directions and multiple angles, and the fire extinguishing effect is ensured.
Example III
1-5 and 7, the protective high-low voltage switch cabinet provided by the invention comprises a cabinet body 1, an air inlet machine 2, an air outlet machine 3, a partition plate 4, a protective component 6, a temperature sensor, a smoke sensor and a controller; the air inlet fan 2 and the air outlet fan 3 are respectively arranged at the upper end and the lower end of the cabinet body 1; the partition board 4 is arranged between the air inlet fan 2 and the air outlet fan 3, the cabinet body 1 is divided into a refrigerating chamber 9 and an operating chamber 8, and the partition board 4 is provided with a ventilation opening 5; the temperature sensor and the smoke sensor are arranged in the operation room 8; the protection component 6 is arranged on the cabinet body 1; the controller is in signal connection with the protection component 6, the temperature sensor and the smoke sensor.
The protection component 6 comprises a refrigeration box 10, a circulating pipe 11, a circulating pump, a first storage box 12, a spray head 14, a first piston plate 15, a first communicating pipe 41, a buffer box 19, a second storage box 20, a second communicating pipe 21, a fire extinguishing pipe 22, a third communicating pipe 24, a second piston plate 25 and a driving piece; the first storage box 12, the buffer box 19 and the second storage box 20 are all arranged outside the cabinet body 1; the refrigeration box 10 is arranged in the refrigeration chamber 9, is internally filled with liquid carbon dioxide, is communicated with the first storage box 12 through a circulating pipe 11 and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide, and the refrigeration box 10 is provided with a first ventilation valve 18; the spray head 14 is arranged at the lower end of the refrigeration box 10, and the liquid outlet end extends into the operation chamber 8; the piston plate I15 which moves up and down is arranged in the refrigeration box 10 in a sliding way; the first communicating pipe 41 is communicated with the upper end of the refrigeration box 10 and the front side of the buffer box 19; the lower end of the fire extinguishing pipe 22 stretches into the operation chamber 8, and the upper end stretches into the refrigerating chamber 9; the second communicating pipe 21 is communicated with the upper end of the fire extinguishing pipe 22 and the front side of the buffer box 19; the third communicating pipe 24 is communicated with the front side of the buffer tank 19 and the second storage tank 20; the second storage box 20 is filled with a dry powder extinguishing agent; the second piston plate 25 is disposed inside the buffer box 19 and is driven by a driving member to slide back and forth. The buffer tank 19 is provided with a second vent valve.
As shown in fig. 6-7, the driving member includes a piston rod 26, a moving seat 27, a slider 29, a turntable 30, and a motor one 31; one end of a piston rod 26 extends into the buffer box 19 and is connected with the piston plate II 25, and the other end of the piston rod is connected with the movable seat 27; a chute 28 is arranged at the bottom of the movable seat 27; the turntable 30 driven by the first motor 31 is rotatably arranged at the rear side of the buffer box 19; the slide block 29 is arranged at the non-center position of the turntable 30 and extends into the chute 28 above and is in sliding connection with the chute wall.
The working principle of this embodiment is as follows: the second piston plate 25 is driven by a driving piece, and the specific driving mode is that the first motor 31 drives the turntable 30 to rotate, the sliding block 29 synchronously rotates and simultaneously slides in the sliding groove 28 to drive the piston rod 26 to move back and forth, so that the purpose of pushing the second piston plate 25 to move is achieved. The pressure in the buffer box 19 is conveniently adjusted, and the feeding/discharging amount is controlled.
Example IV
1-5 and 7, the protective high-low voltage switch cabinet provided by the invention comprises a cabinet body 1, an air inlet machine 2, an air outlet machine 3, a partition plate 4, a protective component 6, a temperature sensor, a smoke sensor and a controller; the air inlet fan 2 and the air outlet fan 3 are respectively arranged at the upper end and the lower end of the cabinet body 1; the partition board 4 is arranged between the air inlet fan 2 and the air outlet fan 3, the cabinet body 1 is divided into a refrigerating chamber 9 and an operating chamber 8, and the partition board 4 is provided with a ventilation opening 5; the temperature sensor and the smoke sensor are arranged in the operation room 8; the protection component 6 is arranged on the cabinet body 1; the controller is in signal connection with the protection component 6, the temperature sensor and the smoke sensor.
The protection component 6 comprises a refrigeration box 10, a circulating pipe 11, a circulating pump, a first storage box 12, a spray head 14, a first piston plate 15, a first communicating pipe 41, a buffer box 19, a second storage box 20, a second communicating pipe 21, a fire extinguishing pipe 22, a third communicating pipe 24, a second piston plate 25 and a driving piece; the first storage box 12, the buffer box 19 and the second storage box 20 are all arranged outside the cabinet body 1; the refrigeration box 10 is arranged in the refrigeration chamber 9, is internally filled with liquid carbon dioxide, is communicated with the first storage box 12 through a circulating pipe 11 and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide, and the refrigeration box 10 is provided with a first ventilation valve 18; the spray head 14 is arranged at the lower end of the refrigeration box 10, and the liquid outlet end extends into the operation chamber 8; the piston plate I15 which moves up and down is arranged in the refrigeration box 10 in a sliding way; the first communicating pipe 41 is communicated with the upper end of the refrigeration box 10 and the front side of the buffer box 19; the lower end of the fire extinguishing pipe 22 stretches into the operation chamber 8, and the upper end stretches into the refrigerating chamber 9; the second communicating pipe 21 is communicated with the upper end of the fire extinguishing pipe 22 and the front side of the buffer box 19; the third communicating pipe 24 is communicated with the front side of the buffer tank 19 and the second storage tank 20; the second storage box 20 is filled with a dry powder extinguishing agent; the second piston plate 25 is disposed inside the buffer box 19 and is driven by a driving member to slide back and forth. The buffer tank 19 is provided with a second vent valve.
As shown in fig. 5, a limiting plate 16 is provided in the refrigeration case 10; the limiting plate 16 is positioned below the first piston plate 15; the circulating pipe 11 is communicated with the lower part of the limiting plate 16; an elastic member 17 is provided between the stopper plate 16 and the first piston plate 15. The first piston plate 15 moves above the limiting plate 16, and liquid carbon dioxide is sprayed out when the first piston plate moves downwards. After the fire is released, the vent valve I18 is opened, the piston plate I15 moves upwards to reset under the assistance of the elastic piece 17, and meanwhile, new liquid carbon dioxide is added, and the refrigeration box 10 continues to refrigerate.
Example five
1-5 and 7, the protective high-low voltage switch cabinet provided by the invention comprises a cabinet body 1, an air inlet machine 2, an air outlet machine 3, a partition plate 4, a protective component 6, a temperature sensor, a smoke sensor and a controller; the air inlet fan 2 and the air outlet fan 3 are respectively arranged at the upper end and the lower end of the cabinet body 1; the partition board 4 is arranged between the air inlet fan 2 and the air outlet fan 3, the cabinet body 1 is divided into a refrigerating chamber 9 and an operating chamber 8, and the partition board 4 is provided with a ventilation opening 5; the temperature sensor and the smoke sensor are arranged in the operation room 8; the protection component 6 is arranged on the cabinet body 1; the controller is in signal connection with the protection component 6, the temperature sensor and the smoke sensor.
The protection component 6 comprises a refrigeration box 10, a circulating pipe 11, a circulating pump, a first storage box 12, a spray head 14, a first piston plate 15, a first communicating pipe 41, a buffer box 19, a second storage box 20, a second communicating pipe 21, a fire extinguishing pipe 22, a third communicating pipe 24, a second piston plate 25 and a driving piece; the first storage box 12, the buffer box 19 and the second storage box 20 are all arranged outside the cabinet body 1; the refrigeration box 10 is arranged in the refrigeration chamber 9, is internally filled with liquid carbon dioxide, is communicated with the first storage box 12 through a circulating pipe 11 and is matched with a circulating pump to realize the circulation of the liquid carbon dioxide, and the refrigeration box 10 is provided with a first ventilation valve 18; the spray head 14 is arranged at the lower end of the refrigeration box 10, and the liquid outlet end extends into the operation chamber 8; the piston plate I15 which moves up and down is arranged in the refrigeration box 10 in a sliding way; the first communicating pipe 41 is communicated with the upper end of the refrigeration box 10 and the front side of the buffer box 19; the lower end of the fire extinguishing pipe 22 stretches into the operation chamber 8, and the upper end stretches into the refrigerating chamber 9; the second communicating pipe 21 is communicated with the upper end of the fire extinguishing pipe 22 and the front side of the buffer box 19; the third communicating pipe 24 is communicated with the front side of the buffer tank 19 and the second storage tank 20; the second storage box 20 is filled with a dry powder extinguishing agent; the second piston plate 25 is disposed inside the buffer box 19 and is driven by a driving member to slide back and forth. The buffer tank 19 is provided with a second vent valve.
As shown in fig. 8-10, the cabinet body 1 is provided with a dehumidifying element 7 and a humidity sensor; the dehumidifying part 7 comprises a mounting plate 42, a dehumidifying box 32, a second motor 34, a driving cover 35, a first gear 36, a second gear 37, a transmission shaft 38 and a stirring blade 39; the cabinet body 1 is provided with a through hole; the mounting plate 42 passes through the through hole and is detachably arranged outside the cabinet body 1; the moisture removing box 32 is arranged on the through hole in a clamping way, a moisture absorbing hole 33 is arranged on the moisture removing box 32, and moisture absorbing agent is filled in the moisture removing box 32; the motor II 34 and the driving cover 35 are arranged on the mounting plate 42, and the main shaft extends into the driving cover 35 and is connected with the gear I36 in a key way; the second gear 37 is meshed with the first gear 36 and is connected with one end of a transmission shaft 38 in a key manner; the other end of the transmission shaft 38 extends into the dehumidifying box 32 and is rotatably connected thereto, while the stirring blade 39 is externally provided.
Further, a feed inlet and a discharge outlet which are communicated with the dehumidifying box 32 are arranged on the mounting plate 42; pistons 40 are arranged on the feed inlet and the discharge outlet.
The working principle of this embodiment is as follows: the moisture absorbent dehumidifies the air in the cabinet 1. The motor II 34 is started periodically, and the transmission shaft 38 and the stirring sheet 39 synchronously rotate through the meshing transmission of the gear I36 and the gear II 37 to disperse the agglomerated moisture absorbent so as to ensure the moisture absorption effect. When humidity sensor monitoring humidity is too big, the staff opens piston 40, from outside the change of removing the damp agent can, easy operation, convenience have further improved cabinet body 1's protective effect.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. The protective high-low voltage switch cabinet is characterized by comprising a cabinet body (1), an air inlet machine (2), an air outlet machine (3), a partition plate (4), a protective component (6), a temperature sensor, a smoke sensor and a controller; the air inlet fan (2) and the air outlet fan (3) are respectively arranged at the upper end and the lower end of the cabinet body (1); the partition board (4) is arranged between the air inlet machine (2) and the air outlet machine (3) and divides the cabinet body (1) into a refrigerating chamber (9) and an operating chamber (8), and the partition board (4) is provided with a ventilation opening (5); the temperature sensor and the smoke sensor are arranged in the operation room (8); the protection component (6) is arranged on the cabinet body (1); the controller is in signal connection with the protection component (6), the temperature sensor and the smoke sensor; the cabinet body (1) is provided with a dehumidifying piece (7) and a humidity sensor;
the protection component (6) comprises a refrigeration box (10), a circulating pipe (11), a circulating pump, a first storage box (12), a spray head (14), a first piston plate (15), a first communicating pipe (41), a buffer box (19), a second storage box (20), a second communicating pipe (21), a fire extinguishing pipe (22), a third communicating pipe (24), a second piston plate (25) and a driving piece; the first storage box (12), the buffer box (19) and the second storage box (20) are all arranged outside the cabinet body (1); the refrigeration box (10) is arranged in the refrigeration chamber (9), is internally filled with liquid carbon dioxide, is communicated with the first storage box (12) through the circulating pipe (11), and is matched with the circulating pump to realize the circulation of the liquid carbon dioxide; the spray head (14) is arranged at the lower end of the refrigeration box (10), and the liquid outlet end extends into the operation chamber (8); the piston plate I (15) which moves up and down is arranged in the refrigeration box (10) in a sliding way; the first communicating pipe (41) is communicated with the upper end of the refrigeration box (10) and the front side of the buffer box (19); the lower end of the fire extinguishing pipe (22) extends into the operation chamber (8), and the upper end extends into the refrigerating chamber (9); the communicating pipe II (21) is communicated with the upper end of the fire extinguishing pipe (22) and the front side of the buffer box (19); the third communicating pipe (24) is communicated with the front side of the buffer box (19) and the second storage box (20); a second storage box (20) is filled with a dry powder extinguishing agent; the piston plate II (25) is arranged in the buffer box (19) and realizes the forward and backward sliding through the transmission of the driving piece;
the dehumidifying part (7) comprises a mounting plate (42), a dehumidifying box (32), a second motor (34), a driving cover (35), a first gear (36), a second gear (37), a transmission shaft (38) and a stirring piece (39); the cabinet body (1) is provided with a through hole; the mounting plate (42) passes through the through hole and is detachably arranged outside the cabinet body (1); the moisture removing box (32) is arranged on the through hole in a clamping way, a moisture absorbing hole (33) is arranged on the moisture removing box (32), and moisture absorbing agent is filled in the moisture removing box; the motor II (34) and the driving cover (35) are arranged on the mounting plate (42), and the main shaft stretches into the driving cover (35) and is connected with the gear I (36) in a key way; the second gear (37) is meshed with the first gear (36) and is connected with one end of a transmission shaft (38) in a key way; the other end of the transmission shaft (38) extends into the dehumidifying box (32) and is rotationally connected with the dehumidifying box, and meanwhile, a stirring sheet (39) is arranged outside the dehumidifying box;
a feed inlet and a discharge outlet which are communicated with the dehumidifying box (32) are arranged on the mounting plate (42); and pistons (40) are arranged on the feed inlet and the discharge outlet.
2. A protective high-low voltage switch cabinet according to claim 1, characterized in that the ventilation opening (5) is provided with a filter screen.
3. The protective high-low voltage switch cabinet according to claim 1, wherein the cabinet body (1) is provided with a ventilation valve; the air inlet fan (2) and the air outlet fan (3) are respectively communicated with the outside through corresponding ventilation valves.
4. The protective high-low voltage switch cabinet according to claim 1, wherein an air guiding frame (13) is arranged outside the refrigeration box (10); the air guide frames (13) are provided with a plurality of groups, and air guide channels are formed among the plurality of groups of air guide frames (13); the trend of the air guide channel is consistent with the air outlet direction of the air outlet fan (3).
5. The protective high-low voltage switch cabinet according to claim 1, wherein the circulating pipe (11), the spray head (14), the first communicating pipe (41), the second communicating pipe (21) and the third communicating pipe (24) are respectively provided with control valves.
6. A protective high-low voltage switchgear according to claim 1, characterized in that the fire extinguishing pipes (22) are arranged in a vertical direction, on which pipes multi-directional nozzles (23) are arranged at intervals.
7. A protective high-low voltage switchgear according to claim 1, characterized in that the driving member comprises a piston rod (26), a moving seat (27), a slider (29), a turntable (30) and a motor one (31); one end of a piston rod (26) extends into the buffer box (19) and is connected with the piston plate II (25), and the other end of the piston rod is connected with the movable seat (27); a chute (28) is arranged at the bottom of the movable seat (27); a turntable (30) driven by a motor I (31) is rotatably arranged at the rear side of the buffer box (19); the sliding block (29) is arranged at the non-center position of the turntable (30) and extends into the chute (28) above and is in sliding connection with the chute wall.
8. The protective high-low voltage switch cabinet according to claim 1, wherein a limiting plate (16) is arranged in the refrigeration box (10); the limiting plate (16) is positioned below the first piston plate (15); the circulating pipe (11) is communicated with the lower part of the limiting plate (16); an elastic piece (17) is arranged between the limiting plate (16) and the first piston plate (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111358822.3A CN114142358B (en) | 2021-11-17 | 2021-11-17 | Protective high-low voltage switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111358822.3A CN114142358B (en) | 2021-11-17 | 2021-11-17 | Protective high-low voltage switch cabinet |
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| CN114142358A CN114142358A (en) | 2022-03-04 |
| CN114142358B true CN114142358B (en) | 2024-03-01 |
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| CN202111358822.3A Active CN114142358B (en) | 2021-11-17 | 2021-11-17 | Protective high-low voltage switch cabinet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116350971A (en) * | 2023-05-19 | 2023-06-30 | 常州德众新能源有限公司 | Flame-retardant fire-extinguishing electrical control cabinet |
| CN117498181B (en) * | 2024-01-03 | 2024-03-15 | 国网辽宁省电力有限公司 | SVG dynamic reactive power compensation device |
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| CN112271580A (en) * | 2020-12-04 | 2021-01-26 | 佛山市中衡电气设备有限公司 | Switch cabinet with fire extinguishing function |
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| KR101555620B1 (en) * | 2015-02-17 | 2015-09-24 | 주식회사 신화에프이원 | Auto fire extinguishing unit for incoming and distributing board |
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| CN114142358A (en) | 2022-03-04 |
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