CN116544826B - Preassembled transformer substation applied to distributed photovoltaic power plant - Google Patents
Preassembled transformer substation applied to distributed photovoltaic power plant Download PDFInfo
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- CN116544826B CN116544826B CN202310819397.6A CN202310819397A CN116544826B CN 116544826 B CN116544826 B CN 116544826B CN 202310819397 A CN202310819397 A CN 202310819397A CN 116544826 B CN116544826 B CN 116544826B
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- 239000003063 flame retardant Substances 0.000 claims description 89
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Classifications
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- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The application discloses a preassembled transformer substation applied to a distributed photovoltaic power plant, which comprises a box body, wherein a high-voltage chamber, a transformation chamber and a low-voltage chamber are sequentially arranged in the box body from left to right, a high-voltage cabinet, a transformer and a low-voltage cabinet are respectively arranged in the high-voltage chamber, the transformation chamber and the low-voltage chamber, sensor assemblies are fixedly connected to the top ends of the inner walls of the high-voltage chamber, the transformation chamber and the low-voltage chamber, and fire emergency assemblies are symmetrically arranged between the transformation chamber and the high-voltage chamber and between the transformation chamber and the low-voltage chamber; the top fixedly connected with roof of box, and the top face intermediate position fixedly connected with bench of roof, be equipped with around the bench and remove the seat, and remove the seat and be the inclined plane towards the one side of bench, the inclined plane of removing the seat and the inclined plane phase-match of bench, and be equipped with hidden ventilation cooling module between bench and the removal seat. The application can improve the ventilation effect and reduce the illuminated area of the preassembled transformer substation when the internal temperature of the preassembled transformer substation is higher.
Description
Technical Field
The application relates to the technical field of preassembled substations, in particular to a preassembled substation applied to a distributed photovoltaic power plant.
Background
The distributed photovoltaic power generation is a distributed power generation system which adopts a photovoltaic module to directly convert solar energy into electric energy. The novel comprehensive power generation and energy utilization mode with wide development prospect advocates the principles of nearby power generation, nearby grid connection, nearby conversion and nearby use, can effectively improve the generated energy of the photovoltaic power station with the same scale, and simultaneously effectively solves the problem of power loss in boosting and long-distance transportation. In order to ensure stable operation of distributed photovoltaic power generation, a transformer substation needs to be built in a photovoltaic power plant, a traditional civil engineering power distribution room is used for building, the power distribution station is time-consuming and labor-consuming, and the integrated automation level is low, so that people install a preassembled transformer substation in the photovoltaic power plant.
A preassembled transformer substation is also called a box-type transformer substation or a preassembled substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are prefabricated indoor and outdoor compact distribution equipment in a factory and are arranged into a whole according to a certain wiring scheme, namely, the functions of voltage reduction of the transformer, low-voltage distribution and the like are organically combined together and are installed in a moistureproof, antirust, dustproof, rat-proof, fireproof, antitheft, heat-insulating, fully-enclosed and movable steel structure box. The box-type transformer substation is suitable for mines, factory enterprises, oil and gas fields, wind power stations and distributed photovoltaic power stations, replaces original civil engineering power distribution houses and power distribution stations, and becomes a novel complete set of power transformation and distribution devices.
However, the prior art has a certain defect when aiming at the preassembled transformer substation for the distributed photovoltaic power plant, because the photovoltaic power plant is usually arranged in a place with more abundant field illumination, the surface of the preassembled transformer substation is more easily roasted in the sun under the environment, the internal temperature of the preassembled transformer substation is more easily raised and causes fire disaster after the preassembled transformer substation receives illumination in a large area, and how to improve the ventilation effect and reduce the illuminated area of the preassembled transformer substation when the internal temperature of the preassembled transformer substation is higher is a problem which needs to be solved at present. For this purpose, a preassembled transformer station for a distributed photovoltaic power plant is proposed.
Disclosure of Invention
The technical problems to be solved by the application are as follows: how to solve the problems of improving the ventilation effect and reducing the illuminated area of the preassembled transformer substation when the internal temperature of the preassembled transformer substation is higher, and provide the preassembled transformer substation applied to the distributed photovoltaic power plant.
The application solves the technical problems through the following technical scheme that the fire emergency fire protection device comprises a box body, wherein a high-voltage chamber, a voltage transformation chamber and a low-voltage chamber are sequentially arranged in the box body from left to right, a high-voltage cabinet, a transformer and a low-voltage cabinet are respectively arranged in the high-voltage chamber, the voltage transformation chamber and the low-voltage chamber, sensor assemblies are fixedly connected to the top ends of the inner walls of the high-voltage chamber, the voltage transformation chamber and the low-voltage chamber, and fire emergency assemblies are symmetrically arranged between the voltage transformation chamber and the high-voltage chamber and between the voltage transformation chamber and the low-voltage chamber; the top fixedly connected with roof of box, and the top face intermediate position fixedly connected with bench of roof, be equipped with around the bench and remove the seat, and remove the seat and be the inclined plane towards the one side of bench, the inclined plane of removing the seat and the inclined plane phase-match of bench, and be equipped with hidden ventilation cooling module between bench and the removal seat.
Further, the hidden ventilation and heat dissipation assembly specifically comprises: the ventilation opening at the inside center of bench, the vent communicates with the vary voltage room, and the bottom of vent inlays and has had first air extraction fan, the ventilation groove rather than the intercommunication has been seted up on the top of vent, the lateral surface top of bench inlays and has had a plurality of second air extraction fans, and second air extraction fan and ventilation groove intercommunication, the notch has been seted up to the bottom surface both sides of bench, and is equipped with first cylinder in the notch, the bottom and the roof fixed connection of first cylinder, and the top output shaft and notch roof fixed connection of first cylinder, four L type heat dissipation grooves have been seted up to the top face corner position of roof, two of them L type heat dissipation grooves communicate with the high-pressure room, and two other L type heat dissipation grooves communicate with the low-pressure room, and the top of L type heat dissipation groove is equipped with telescopic dustproof mechanism.
Still further, the telescopic dustproof mechanism specifically includes: offer two adjacent flexible groove on the removal seat opposite face, the elastic groove has been seted up to flexible groove's both sides, and the inside center rotation in flexible groove is connected with the axostylus axostyle, in the elastic groove of entering both sides is run through respectively at the both ends of axostylus axostyle, and the outside cover of axostylus axostyle in the elastic groove is equipped with the scroll spring, scroll spring's one end and axostylus axostyle fixed connection, and scroll spring's the other end and elastic groove inner wall fixed connection, adjacent two the winding has dust cloth on the axostylus axostyle in the elastic groove of removal seat.
Still further, the lateral surface bottom fixedly connected with limiting plate of movable seat, and the medial surface of limiting plate along its length direction fixedly connected with a plurality of spacing optical axes, the slot has been seted up to the lateral surface of roof corresponding spacing optical axis's position, and spacing optical axis swing joint is inside the slot, the spring post has been cup jointed to the outside of spacing optical axis, and the both ends of spring post respectively with slot inner wall, limiting plate medial surface fixed connection.
Furthermore, a T-shaped sliding groove is formed in the bottom end surface of the movable seat, a T-shaped sliding rail matched with the top end surface of the top plate is fixedly connected to the top end surface of the top plate, and the T-shaped sliding rail is movably connected to the inside of the T-shaped sliding groove.
Still further, the fire emergency assembly specifically includes: the fire-retardant board and the movable fire-retardant board are fixed together in parallel, the opposite faces of the fixed fire-retardant board and the movable fire-retardant board are fixedly connected with the inclined guide plate, limit sliding grooves are symmetrically formed in the top end face and the bottom end face of the movable fire-retardant board, limit sliding rails are fixedly connected to the positions of the top end face and the bottom end face of the transformer room corresponding to the limit sliding grooves, the limit sliding rails are clamped in the limit sliding grooves and are movably connected with the limit sliding grooves, a cylinder supporting plate is fixedly connected to the bottom end face of the transformer room on one side of the movable fire-retardant board, a second cylinder is fixedly connected to one side face of the cylinder supporting plate, an output shaft of the second cylinder is fixedly connected with the movable fire-retardant board, rectangular grooves are formed in the side faces of the movable fire-retardant board and the fixed fire-retardant board, a chute is arranged in the rectangular grooves, the transformer is connected with a high-voltage cabinet and a low-voltage cabinet through lead wire on two sides of the chute on the upper side of the transformer, and foam fire-extinguishing mechanism and dry powder extinguishing mechanism are arranged on two sides inside the ladder stand.
Still further, the foam fire extinguishing mechanism specifically includes: the foam fire extinguishing chamber is arranged on one side of the inside of the landing, a first vertical pipe communicated with the foam fire extinguishing chamber is arranged at the bottom of the foam fire extinguishing chamber, the output end of the first vertical pipe is connected with a first electromagnetic directional valve, two output ends of the first electromagnetic directional valve are fixedly connected with first transverse pipes, one of the first transverse pipes penetrates through the corresponding movable flame-retardant plate and extends to a gap between the movable flame-retardant plate and the fixed flame-retardant plate, and the other transverse pipe also penetrates through the corresponding movable flame-retardant plate and extends to a gap between the movable flame-retardant plate and the fixed flame-retardant plate.
Still further, the dry powder fire extinguishing mechanism specifically includes: the dry powder fire extinguishing chamber is arranged on the other side inside the terrace, a second vertical pipe communicated with the dry powder fire extinguishing chamber is arranged at the bottom of the dry powder fire extinguishing chamber, a second electromagnetic reversing valve is connected to the output end of the second vertical pipe, two output ends of the second electromagnetic reversing valve are fixedly connected with second transverse pipes, one of the second transverse pipes penetrates through the corresponding fixed flame-retardant plate and the movable flame-retardant plate and extends to the top end inside the high-pressure chamber, the other second transverse pipe also penetrates through the corresponding fixed flame-retardant plate and the movable flame-retardant plate and extends to the top end inside the low-pressure chamber, and a nozzle is fixedly connected to the bottom end of the second transverse pipe inside the low-pressure chamber and the high-pressure chamber.
Still further, the sensor assembly includes a temperature sensor and a smoke sensor.
Furthermore, a radiating window is arranged on one side surface of the box body, and the radiating window is communicated with the transformer.
Compared with the prior art, the application has the following advantages:
1. according to the lifting type transformer substation, when the internal temperature of the transformer substation is high, the lifting type transformer substation is jacked up, the lifting type transformer substation is in inclined plane action with surrounding movable seats in the lifting process, and finally, an extended top cover is formed at the top of the box body, so that sunlight irradiated from the upper part of the box body can be blocked, the light receiving area of the box body is reduced, part of the box body can be provided for a worker to maintain the transformer substation in the shade, the comfort level of the worker is improved, and in addition, the ventilation effect of the whole transformer substation can be further improved after the lifting type transformer substation is lifted to the top point.
2. According to the application, through the hidden ventilation and heat dissipation assembly, the L-shaped heat dissipation groove is exposed when the terrace is lifted to the top point, so that the ventilation effect of the high-pressure chamber and the low-pressure chamber is improved, meanwhile, the lifted terrace is exposed to the second air draft fan, the second air draft fan and the first air draft fan can effectively accelerate the ventilation and heat dissipation of the transformer chamber with the highest temperature, and in addition, the terrace can be lowered to shield the L-shaped heat dissipation groove and the second air draft fan after the ventilation and heat dissipation are finished, so that a large amount of dust is prevented from entering when extra heat dissipation is not needed, and the applicability is wider.
3. According to the telescopic dustproof mechanism, a large amount of dust can be prevented from entering the high-pressure chamber and the low-pressure chamber from the L-shaped radiating groove when the L-shaped radiating groove is exposed, and meanwhile, the scroll spring can drive the shaft rod to rotate to wind the dustproof cloth when the stair is lowered, so that the dustproof cloth is unfolded when needed, and is not wound when needed, the dustproof cloth is effectively prevented from blocking the movable seat to restore to the original position, and in addition, the area of the unfolded dustproof cloth for shielding sunlight can be further increased.
4. According to the application, through the arranged fire emergency assembly, when a fire disaster occurs in the high-pressure chamber or the pressure-variable chamber or the low-pressure chamber, corresponding measures can be timely taken to prevent the spread of the fire disaster, wherein the foam fire extinguishing mechanism can construct a widened foam flame-retardant interlayer, so that the spread of the fire disaster can be effectively prevented, and meanwhile, enough rush repair time can be obtained for staff, and the dry powder fire extinguishing mechanism can directly spray dry powder from the top of the high-pressure chamber or the low-pressure chamber for extinguishing the fire.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of a structure of a landing after lifting in an embodiment of the present application;
FIG. 3 is a view showing the combination of the dust cloth and the movable base in the embodiment of the present application;
FIG. 4 is an interior view of a case in an embodiment of the present application;
FIG. 5 is an enlarged view of portion A of FIG. 4 in an embodiment of the application;
FIG. 6 is a combination view of a fixed flame retardant panel and a movable flame retardant panel in an embodiment of the application;
FIG. 7 is a view showing the structure of a movable flame retardant panel in an embodiment of the present application;
fig. 8 is a view showing a combination of a dust cloth and a telescopic slot in an embodiment of the present application.
In the figure: 1. a case; 2. a high pressure chamber; 3. a variable pressure chamber; 4. a low pressure chamber; 5. a high-voltage cabinet; 6. a transformer; 7. a low-voltage cabinet; 8. a heat radiation window; 9. a top plate; 10. a landing; 11. a notch; 12. a first cylinder; 13. a movable seat; 14. a T-shaped chute; 15. a T-shaped slide rail; 16. a limiting plate; 17. a slot; 18. limiting an optical axis; 19. a spring post; 20. an L-shaped heat dissipation groove; 21. a dust-proof cloth; 22. a telescopic slot; 23. an elastic groove; 24. a shaft lever; 25. a spiral spring; 26. a second exhaust fan; 27. a vent; 28. a first exhaust fan; 29. a ventilation groove; 30. a sensor assembly; 31. fixing a flame retardant plate; 32. a movable flame-retardant plate; 33. limiting sliding grooves; 34. a limit sliding rail; 35. an inclined guide plate; 36. a cylinder support plate; 37. a second cylinder; 38. rectangular grooves; 39. cabling rack; 40. foam extinguishing chamber; 41. a dry powder extinguishing chamber; 42. a first standpipe; 43. a first electromagnetic directional valve; 44. a first cross tube; 45. a second standpipe; 46. a second electromagnetic directional valve; 47. a second cross tube; 48. and (3) a nozzle.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
As mentioned in the background art of the present application, the inventor has found that, in the prior art, for the pre-installed transformer substation for a distributed photovoltaic power plant, there is a certain disadvantage when the pre-installed transformer substation is used, because the photovoltaic power plant is usually arranged in a place with more abundant illumination in the open air, the surface of the pre-installed transformer substation is more prone to be roasted under the condition of burning sun, the internal temperature of the pre-installed transformer substation is more prone to rise and cause fire after the pre-installed transformer substation receives the illumination in a large area, and therefore, how to improve the ventilation effect when the internal temperature of the pre-installed transformer substation is higher and reduce the illuminated area of the pre-installed transformer substation is a current urgent problem to be solved.
In order to solve the above problems, the application discloses a preassembled transformer substation applied to a distributed photovoltaic power plant, when the internal temperature of the transformer substation is higher, the ladder 10 is jacked up, the ladder 10 and surrounding movable seat 13 are subjected to inclined surface action in the ascending process, under the limitation of a T-shaped chute 14 and a T-shaped sliding rail 15, the ladder 10 drives the movable seat 13 to move outwards, finally, an extended top cover is formed at the top of the box body 1, the top cover can not only block part of sunlight irradiated above the top cover, reduce the illuminated area of the box body 1, but also provide partial shade for the personnel before the personnel maintain the transformer substation, improve the comfort level of the transformer substation, in addition, after the ladder 10 ascends to the top point, the L-shaped heat dissipation groove 20 is exposed to improve the heat dissipation speed of the high-pressure chamber 2 and the low-pressure chamber 4, and for the transformer chamber 3 with the highest temperature, the first air draft fan 28 operates to convey hot air in the transformer chamber 3 from the vent 27 to the vent groove 29, and the second air draft fan 26 operates synchronously to discharge the hot air in the vent groove 29, so that the heat in the vent groove 29 is discharged outside the transformer substation, and the preassembled transformer substation is higher than the prefabricated transformer substation, and the ventilation effect is improved when the internal temperature of the transformer substation is higher.
As shown in fig. 1-8, the present embodiment provides a technical solution: the utility model provides a be applied to prefabricated substation of distributed photovoltaic power plant, includes box 1, high-pressure chamber 2, vary voltage room 3 and low-pressure chamber 4 have been seted up in proper order from left to right to the inside of box 1, and high-pressure chamber 2, vary voltage room 3 and low-pressure chamber 4's inside is equipped with high-pressure cabinet 5, transformer 6 and low-pressure cabinet 7 respectively, high-pressure chamber 2, vary voltage room 3 and low-pressure chamber 4's inner wall top all fixedly connected with sensor assembly 30, and the symmetry is equipped with fire emergency component between vary voltage room 3 and high-pressure chamber 2, the low-pressure chamber 4; the top fixedly connected with roof 9 of box 1, and the top face intermediate position fixedly connected with bench 10 of roof 9, be equipped with around the bench 10 and remove seat 13, and remove the seat 13 and be the inclined plane towards the one side of bench 10, the inclined plane of removing seat 13 and the inclined plane phase-match of bench 10, and be equipped with hidden ventilation cooling module between bench 10 and the removal seat 13. The application can improve the ventilation effect and reduce the illuminated area of the preassembled transformer substation when the internal temperature of the preassembled transformer substation is higher.
In this embodiment, the hidden ventilation and heat dissipation assembly specifically includes: the ventilation opening 27 at the inside center of the bench 10 is arranged, the ventilation opening 27 is communicated with the transformer chamber 3, a first exhaust fan 28 is embedded in the bottom end of the ventilation opening 27, a ventilation groove 29 communicated with the ventilation opening 27 is arranged at the top end of the ventilation opening 27, a plurality of second exhaust fans 26 are embedded in the top end of the outer side surface of the bench 10, the second exhaust fans 26 are communicated with the ventilation groove 29, the two sides of the bottom end surface of the bench 10 are provided with notches 11, a first air cylinder 12 is arranged in the notches 11, the bottom end of the first air cylinder 12 is fixedly connected with the top plate 9, the top output shaft of the first air cylinder 12 is fixedly connected with the top wall of the notches 11, four L-shaped heat dissipation grooves 20 are arranged at the corner positions of the top end surface of the top plate 9, two L-shaped heat dissipation grooves 20 are communicated with the high-pressure chamber 2, the other two L-shaped heat dissipation grooves 20 are communicated with the low-pressure chamber 4, and telescopic dust prevention mechanisms are arranged above the L-shaped heat dissipation grooves 20. The hidden ventilation and heat dissipation assembly can expose the L-shaped heat dissipation groove 20 when the landing 10 is lifted to the top, so that the ventilation effect of the high-pressure chamber 2 and the low-pressure chamber 4 is improved, meanwhile, the lifted landing 10 exposes the second air draft fan 26, the second air draft fan 26 and the first air draft fan 28 can effectively accelerate the ventilation and heat dissipation of the transformer chamber 3 with the highest temperature, and in addition, after the ventilation and heat dissipation is finished, the landing 10 can be lowered to shield the L-shaped heat dissipation groove 20 and the second air draft fan 26, so that a large amount of dust can enter when extra heat dissipation is not needed, and the applicability is wider.
In this embodiment, the telescopic dust-proof mechanism specifically includes: the telescopic grooves 22 are formed in opposite faces of two adjacent movable bases 13, the elastic grooves 23 are formed in two sides of each telescopic groove 22, the shaft rods 24 are rotatably connected to the centers of the inside of each telescopic groove 22, two ends of each shaft rod 24 penetrate into the corresponding elastic grooves 23 in two sides respectively, the spiral springs 25 are sleeved outside the shaft rods 24 in the corresponding elastic grooves 23, one ends of the spiral springs 25 are fixedly connected with the corresponding shaft rods 24, the other ends of the spiral springs 25 are fixedly connected with the inner walls of the corresponding elastic grooves 23, and dustproof cloth 21 is wound on the corresponding shaft rods 24 in the corresponding elastic grooves 23 of the two adjacent movable bases 13. The telescopic dustproof mechanism can prevent a large amount of dust from entering the high-pressure chamber 2 and the low-pressure chamber 4 from the L-shaped radiating groove 20 when exposing the L-shaped radiating groove 20, and simultaneously, the scroll spring 25 can drive the shaft lever 24 to rotate and roll the dustproof cloth 21 when the stair platform 10 is lowered, so that the dustproof cloth 21 is unfolded when needed and is rolled when not needed, the dustproof cloth 21 is effectively prevented from blocking the movable seat 13 to restore to the original position, and in addition, the unfolded dustproof cloth 21 can further enlarge the area for shielding sunlight.
In this embodiment, the bottom end of the outer side surface of the movable seat 13 is fixedly connected with a limiting plate 16, the inner side surface of the limiting plate 16 is fixedly connected with a plurality of limiting optical axes 18 along the length direction thereof, the outer side surface of the top plate 9 is provided with a slot 17 corresponding to the position of the limiting optical axes 18, the limiting optical axes 18 are movably connected inside the slot 17, the outer part of the limiting optical axes 18 is sleeved with a spring column 19, and two ends of the spring column 19 are respectively fixedly connected with the inner wall of the slot 17 and the inner side surface of the limiting plate 16. The cooperation of the limiting plate 16, the limiting optical axis 18 and the spring column 19 not only can improve the stability of the movable seat 13 during movement, but also can restore the movable seat 13 to the original position through the elastic force of the spring column 19 when the landing 10 is lowered.
In this embodiment, a T-shaped chute 14 is provided on the bottom surface of the movable seat 13, a T-shaped slide rail 15 matched with the top surface of the top plate 9 is fixedly connected to the top surface of the top plate 9 corresponding to the T-shaped chute 14, and the T-shaped slide rail 15 is movably connected inside the T-shaped chute 14. The stability of the movable seat 13 during movement can be further improved through the cooperation of the T-shaped sliding groove 14 and the T-shaped sliding rail 15.
In this embodiment, the fire emergency assembly specifically includes: the fixed flame retardant plate 31 and the movable flame retardant plate 32 are arranged together, the inclined guide plate 35 is fixedly connected to the opposite surfaces of the fixed flame retardant plate 31 and the movable flame retardant plate 32 in a crossing manner, the limit sliding grooves 33 are symmetrically formed in the top end surface and the bottom end surface of the movable flame retardant plate 32, the limit sliding rails 34 are fixedly connected to the positions of the top end surface and the bottom end surface of the transformer chamber 3 corresponding to the limit sliding grooves 33, the limit sliding rails 34 are clamped in the limit sliding grooves 33 and are movably connected with the limit sliding rails 33, the cylinder supporting plate 36 is fixedly connected to the bottom end surface of the transformer chamber 3 on one side of the movable flame retardant plate 32, the second cylinder 37 is fixedly connected to one side surface of the cylinder supporting plate 36, the output shaft of the second cylinder 37 is fixedly connected with the movable flame retardant plate 32, the movable flame retardant plate 32 and the side surface of the fixed flame retardant plate 31 are provided with rectangular grooves 38, the traveling racks 39 are arranged in the rectangular grooves 38, the transformer 6 is connected with the high-voltage cabinet 5 and the low-voltage cabinet 7 through wires, and the foam fire extinguishing mechanism and the dry powder extinguishing mechanism are arranged on two sides inside the ladder 10 above the transformer 6. The fire emergency assembly can take corresponding measures in time to prevent the spread of fire when the high-pressure chamber 2, the pressure-changing chamber 3 or the low-pressure chamber 4 is in fire.
In this embodiment, the foam fire extinguishing mechanism specifically includes: the foam fire extinguishing chamber 40 arranged on one side inside the landing 10, a first vertical pipe 42 communicated with the foam fire extinguishing chamber 40 is arranged at the bottom of the foam fire extinguishing chamber 40, the output end of the first vertical pipe 42 is connected with a first electromagnetic directional valve 43, two output ends of the first electromagnetic directional valve 43 are fixedly connected with first transverse pipes 44, one of the first transverse pipes 44 penetrates through the corresponding movable flame-retardant plate 32 and extends to a gap between the movable flame-retardant plate 32 and the fixed flame-retardant plate 31, and the other first transverse pipe 44 also penetrates through the corresponding movable flame-retardant plate 32 and extends to a gap between the movable flame-retardant plate 32 and the fixed flame-retardant plate 31. The foam fire extinguishing mechanism can construct a widened foam flame-retardant interlayer, effectively prevent fire from spreading and simultaneously can also obtain enough rush-repair time for staff.
In this embodiment, the dry powder fire extinguishing mechanism specifically includes: the dry powder fire extinguishing chamber 41 arranged on the other side inside the landing 10, a second vertical pipe 45 communicated with the dry powder fire extinguishing chamber 41 is arranged at the bottom of the dry powder fire extinguishing chamber 41, the output end of the second vertical pipe 45 is connected with a second electromagnetic directional valve 46, two output ends of the second electromagnetic directional valve 46 are fixedly connected with a second transverse pipe 47, one of the second transverse pipes 47 penetrates through the corresponding fixed flame retardant plate 31 and the movable flame retardant plate 32 and extends to the top end inside the high pressure chamber 2, the other second transverse pipe 47 also penetrates through the corresponding fixed flame retardant plate 31 and the movable flame retardant plate 32 and extends to the top end inside the low pressure chamber 4, and the bottom ends of the second transverse pipes 47 inside the low pressure chamber 4 and the high pressure chamber 2 are fixedly connected with nozzles 48. The dry powder fire extinguishing mechanism can directly spray dry powder from the top of the high-pressure chamber 2 or the low-pressure chamber 4 for extinguishing fire.
In this embodiment, the sensor assembly 30 includes a temperature sensor and a smoke sensor. The temperature sensor is used for detecting the temperatures in the high-pressure chamber 2, the pressure transformation chamber 3 and the low-pressure chamber 4, and the smoke sensor is used for detecting whether smoke exists in the high-pressure chamber 2, the pressure transformation chamber 3 and the low-pressure chamber 4.
In this embodiment, a heat dissipation window 8 is provided on a side surface of the case 1, and the heat dissipation window 8 is communicated with the transformer 6. The heat dissipation window 8 is used for ventilating and dissipating heat for the transformer 6.
In this embodiment, the inner wall of the foam fire extinguishing chamber 40 is fixedly connected with a stirring motor, the output shaft of the stirring motor is connected with a stirring rod, the foam fire extinguishing chamber 40 is filled with a foaming solvent, and the foaming solvent comprises aluminum sulfate solution, sodium bicarbonate solution and foaming agent. The aluminum sulfate solution and the sodium bicarbonate solution are stirred and mixed to generate a large amount of carbon dioxide gas and aluminum hydroxide precipitate, and the generated carbon dioxide is accompanied with a foaming agent (liquid prepared by common hay or Chinese honeylocust) to generate a large amount of foam.
In this embodiment, the dry powder extinguishing chamber 41 is filled with dry powder and high-pressure nitrogen, and the high-pressure nitrogen can be wrapped with the dry powder and sprayed out together after the dry powder extinguishing chamber 41 is conducted.
Working principle: the working principle of the application is as follows: when the elevator is in use, the temperature inside the box body 1 is detected by the temperature sensor of the sensor assembly 30, and after the temperature rises to a set threshold value, the first cylinder 12 in the notch 11 runs to extend out of the output shaft to jack up the elevator platform 10. The step 10 is lifted up, and in the process, the step 10 and the surrounding movable seat 13 are subjected to inclined plane action, under the limitation of the T-shaped sliding groove 14 and the T-shaped sliding rail 15, the step 10 drives the movable seat 13 to move outwards, in the process, the limiting optical axis 18 and the slot 17 are subjected to relative displacement, and meanwhile, the spring column 19 is stretched. When the stair platform 10 rises to the top point, the surrounding movable seats 13 are pushed to move outwards for a certain distance to form an extended top cover at the top of the box body 1, and the top cover not only can block part of sunlight irradiated from the upper side, but also can reduce the illuminated area of the box body 1, and can provide part of shade for workers when the workers maintain the transformer substation, so that the comfort level of the workers is improved. In addition, after the landing 10 rises to the top, the L-shaped heat dissipation grooves 20 are exposed to increase the heat dissipation speed of the high-voltage chamber 2 and the low-voltage chamber 4, and for the transformer chamber 3 with the highest temperature, the first air suction fan 28 operates to convey the hot air in the transformer chamber 3 from the ventilation opening 27 to the ventilation groove 29, and the second air suction fan 26 operates synchronously to discharge the hot air in the ventilation groove 29 out of the transformer substation. In addition, in order to avoid external dust to get into high pressure chamber 2 and low pressure chamber 4 from L type heat dissipation groove 20, telescopic dustproof mechanism has been set up in L type heat dissipation groove 20 top, telescopic dustproof mechanism's work flow is specifically, along with the outside removal of removal seat 13 all around, the clearance between two adjacent removal seats 13 constantly grows, in-process, the dust cloth 21 between two adjacent removal seats 13 also do not pull the grow and grow yet, the axostylus axostyle 24 in the expansion groove 22 takes place to rotate, drive scroll spring 25 compression, and whole dust cloth 21 is in the state of tightening all the time, the dust cloth 21 after stretching just is in the top of L type heat dissipation groove 20, can effectively block the dust that gets into L type heat dissipation groove 20.
When the temperature inside the box 1 drops to the set threshold value, at this time, the first cylinder 12 in the notch 11 operates to retract the output shaft to lower the landing 10, the surrounding moving seat 13 moves back under the elastic force of the spring post 19 until the original position is restored, in the process, the spiral spring 25 also releases elastic potential energy to wind the dust-proof cloth 21 on the shaft lever 24 to restore the original position, and the first air suction fan 28 and the second air suction fan 26 stop operating. The folded ladder stand 10 and the movable seat 13 cover the L-shaped heat dissipation groove 20 and the air outlet of the second air draft fan 26 again, so that a large amount of dust can be effectively prevented from entering when extra heat dissipation is not needed, and the applicability is wider.
When the smoke sensor of the sensor assembly 30 detects that a fire disaster occurs in the box body 1 to generate smoke, the fire disaster emergency assembly is started and takes corresponding measures, specifically:
(1) when the smoke sensor in the high-pressure chamber 2 detects smoke, the second electromagnetic directional valve 46 is started to conduct the second transverse pipe 47 leading to the high-pressure chamber 2 with the dry powder extinguishing chamber 41, and the extinguishing powder arranged in the dry powder extinguishing chamber 41 is sprayed downwards from the nozzle 48 under the impulse of high-pressure nitrogen to extinguish the fire; at the same time, the second cylinder 37 at one side of the high pressure chamber 2 operates to pull the movable flame retardant plate 32 backwards, so that the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31 is increased, then, the motor arranged in the foam fire extinguishing chamber 40 operates to drive the stirring rod to rotate, a large amount of carbon dioxide gas and aluminum hydroxide precipitate are generated after the aluminum sulfate solution and the sodium bicarbonate solution are stirred and mixed by the stirring rod, the generated carbon dioxide generates a large amount of foam along with the foaming agent, then, the first electromagnetic directional valve 43 starts to conduct the first transverse pipe 44 leading to one side of the high pressure chamber 2 with the foam fire extinguishing chamber 40, and the generated large amount of foam is sprayed out from the first transverse pipe 44 into the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31, and the gap is filled with a large amount of foam due to the increase of the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31, so that when the fire spreads from the high pressure chamber 2 to the pressure chamber 3, enough rush-repair time is provided for workers, and in addition, if the fire in the high pressure chamber 2 is burnt through the fixed flame extinguishing chamber 40, the foam can be further spread towards the high pressure chamber 2 through the inclined flame guide plate 35.
(2) When the smoke sensor in the low-pressure chamber 4 detects smoke, the second electromagnetic directional valve 46 is started to conduct the second transverse pipe 47 leading to the low-pressure chamber 4 with the dry powder extinguishing chamber 41, and the extinguishing powder arranged in the dry powder extinguishing chamber 41 is sprayed downwards from the nozzle 48 under the impulse of high-pressure nitrogen to extinguish the fire; meanwhile, the second cylinder 37 at one side of the low pressure chamber 4 operates to pull the movable flame retardant plate 32 backwards, so that the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31 is increased, then, the motor arranged in the foam fire extinguishing chamber 40 operates to drive the stirring rod to rotate, a large amount of carbon dioxide gas and aluminum hydroxide precipitate are generated after the aluminum sulfate solution and the sodium bicarbonate solution are stirred and mixed by the stirring rod, the generated carbon dioxide is accompanied with foaming agent to generate a large amount of foam, then, the first electromagnetic reversing valve 43 starts to conduct the first transverse pipe 44 leading to one side of the low pressure chamber 4 with the foam fire extinguishing chamber 40, and the generated large amount of foam is sprayed out from the first transverse pipe 44 into the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31, and the gap is filled with a large amount of foam due to the increase of the gap between the movable flame retardant plate 32 and the fixed flame retardant plate 31, so that when the fire spreads from the low pressure chamber 4 to the pressure changing chamber 3, enough rush-repair time is provided for workers, and in addition, if the fire in the low pressure chamber 4 is burnt through the fixed flame extinguishing chamber 40, the foam can be further prevented from spreading towards the low pressure chamber 4 through the inclined flame guide plate 35.
(3) When smoke is detected by a smoke sensor in the pressure-changing chamber 3, the second air cylinder 37 at one side of the low-pressure chamber 4 operates to pull the movable flame-retardant plate 32 backwards, so that a gap between the movable flame-retardant plate 32 and the fixed flame-retardant plate 31 is increased, then, a motor arranged in the foam fire-extinguishing chamber 40 operates to drive a stirring rod to rotate, a large amount of carbon dioxide gas and aluminum hydroxide precipitate are generated after aluminum sulfate solution and sodium bicarbonate solution are stirred and mixed by the stirring rod, the generated carbon dioxide is accompanied with foaming agent to generate a large amount of foam, and then, the first electromagnetic reversing valve 43 is started to conduct the first transverse pipe 44 leading to one side of the low-pressure chamber 4 with the foam fire-extinguishing chamber 40, and the generated large amount of foam is sprayed out from the first transverse pipe 44 into the gap between the corresponding movable flame-retardant plate 32 and the fixed flame-retardant plate 31; subsequently, the first electromagnetic directional valve 43 is switched to conduct the other first transverse pipe 44 leading to one side of the high pressure chamber 2 with the foam extinguishing chamber 40, and a large amount of generated foam is ejected from the other first transverse pipe 44 into the gap between the corresponding movable flame retardant plate 32 and the corresponding fixed flame retardant plate 31; because the clearance between the movable flame retardant plate 32 and the fixed flame retardant plate 31 is increased, and a large amount of foam is filled in the clearance, the fire is effectively prevented when spreading from the transformation chamber 3 to the low-pressure chamber 4 and the high-pressure chamber 2, enough rush-repair time is provided for staff, in addition, if the fire in the low-pressure chamber 4 burns through the fixed flame retardant plate 31, the foam can be poured into the low-pressure chamber 4 and the high-pressure chamber 2 along the burning-through opening through the inclined guide plate 35, and the spreading of the fire is further prevented.
In summary, according to the liftable type stair platform 10 provided by the application, when the internal temperature of the transformer substation is high, the stair platform 10 is jacked up, the stair platform 10 and surrounding movable seats 13 perform an inclined surface effect in the ascending process, and finally an extended top cover is formed at the top of the box body 1, so that the top cover can not only block part of sunlight irradiated from above, but also reduce the illuminated area of the box body 1, provide part of shade for workers when the workers maintain the transformer substation, improve the comfort level of the workers, and further improve the ventilation effect of the whole transformer substation after the stair platform 10 ascends to the top point. Through the hidden ventilation cooling assembly who sets up, can expose L type heat dissipation groove 20 when the bench 10 jack-up reaches the summit to improve the ventilation effect of high pressure chamber 2 and low pressure chamber 4, simultaneously, bench 10 after the jack-up has revealed second air extraction fan 26, at second air extraction fan 26 and first air extraction fan 28, can effectively accelerate the highest pressure transformation room 3 of temperature and ventilate the heat dissipation, in addition, can also shelter from L type heat dissipation groove 20 and second air extraction fan 26 with bench 10 decline after the ventilation heat dissipation is finished, thereby effectively avoid having a large amount of dust to get into when not needing extra heat dissipation, the suitability is wider. Through the telescopic dustproof mechanism who sets up, can prevent a large amount of dust from getting into high-pressure chamber 2 and low-pressure chamber 4 from L type heat dissipation groove 20 when exposing L type heat dissipation groove 20, simultaneously, can drive axostylus axostyle 24 and rotate rolling dust cloth 21 through spiral spring 25 when descending bench 10 to make dust cloth 21 expand when needing, the rolling when not needing effectively avoids dust cloth 21 to block and remove seat 13 and resume the normal position, in addition, the area that the sun was sheltered from can further be increased to the dust cloth 21 of expanding. Through the conflagration emergency component who sets up, can in time take corresponding measure to prevent spreading of fire when high-pressure chamber 2 or vary voltage room 3 or low pressure chamber 4 from appearing the conflagration, wherein, foam fire extinguishing mechanism can build the fire-retardant interlayer of foam of widening, can also strive for sufficient rush-repair time for the staff when effectively preventing spreading of fire, and dry powder extinguishing mechanism can be from the high-pressure chamber 2 or the low pressure chamber 4 top direct injection dry powder of taking a fire to put out a fire.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (9)
1. The preassembled transformer substation is characterized by comprising a box body, wherein a high-voltage chamber, a transformation chamber and a low-voltage chamber are sequentially formed in the box body from left to right, a high-voltage cabinet, a transformer and a low-voltage cabinet are respectively arranged in the high-voltage chamber, the transformation chamber and the low-voltage chamber, sensor assemblies are fixedly connected to the top ends of the inner walls of the high-voltage chamber, the transformation chamber and the low-voltage chamber, and fire emergency assemblies are symmetrically arranged between the transformation chamber and the high-voltage chamber and between the transformation chamber and the low-voltage chamber;
the top end of the box body is fixedly connected with a top plate, a ladder is fixedly connected to the middle position of the top end face of the top plate, a movable seat is arranged around the ladder, one face of the movable seat, which faces the ladder, is an inclined face, the inclined face of the movable seat is matched with the inclined face of the ladder, and a hidden ventilation and heat dissipation assembly is arranged between the ladder and the movable seat;
the hidden ventilation heat dissipation assembly specifically includes: the ventilation opening at the inside center of bench, the vent communicates with the vary voltage room, and the bottom of vent inlays and has had first air extraction fan, the ventilation groove rather than the intercommunication has been seted up on the top of vent, the lateral surface top of bench inlays and has had a plurality of second air extraction fans, and second air extraction fan and ventilation groove intercommunication, the notch has been seted up to the bottom surface both sides of bench, and is equipped with first cylinder in the notch, the bottom and the roof fixed connection of first cylinder, and the top output shaft and notch roof fixed connection of first cylinder, four L type heat dissipation grooves have been seted up to the top face corner position of roof, two of them L type heat dissipation grooves communicate with the high-pressure room, and two other L type heat dissipation grooves communicate with the low-pressure room, and the top of L type heat dissipation groove is equipped with telescopic dustproof mechanism.
2. The preassembled transformer substation for a distributed photovoltaic power plant according to claim 1, characterized in that the telescopic dust prevention mechanism specifically comprises: offer two adjacent flexible groove on the removal seat opposite face, the elastic groove has been seted up to flexible groove's both sides, and the inside center rotation in flexible groove is connected with the axostylus axostyle, in the elastic groove of entering both sides is run through respectively at the both ends of axostylus axostyle, and the outside cover of axostylus axostyle in the elastic groove is equipped with the scroll spring, scroll spring's one end and axostylus axostyle fixed connection, and scroll spring's the other end and elastic groove inner wall fixed connection, adjacent two the winding has dust cloth on the axostylus axostyle in the elastic groove of removal seat.
3. The preassembled transformer substation for the distributed photovoltaic power plant according to claim 1 or 2, wherein the bottom end of the outer side surface of the movable seat is fixedly connected with a limiting plate, the inner side surface of the limiting plate is fixedly connected with a plurality of limiting optical axes along the length direction of the limiting plate, the outer side surface of the top plate is provided with a slot corresponding to the position of the limiting optical axis, the limiting optical axes are movably connected inside the slot, the outer part of the limiting optical axis is sleeved with a spring column, and two ends of the spring column are fixedly connected with the inner wall of the slot and the inner side surface of the limiting plate respectively.
4. The preassembled transformer substation for the distributed photovoltaic power plant according to claim 3, wherein the bottom end surface of the movable seat is provided with a T-shaped sliding groove, the top end of the top plate corresponds to the T-shaped sliding groove, a T-shaped sliding rail matched with the T-shaped sliding groove is fixedly connected to the top end of the top plate, and the T-shaped sliding rail is movably connected inside the T-shaped sliding groove.
5. The preassembled transformer substation for a distributed photovoltaic power plant according to claim 1, characterized in that the fire emergency assembly comprises in particular: the fire-retardant board and the movable fire-retardant board are fixed together in parallel, the opposite faces of the fixed fire-retardant board and the movable fire-retardant board are fixedly connected with the inclined guide plate, limit sliding grooves are symmetrically formed in the top end face and the bottom end face of the movable fire-retardant board, limit sliding rails are fixedly connected to the positions of the top end face and the bottom end face of the transformer room corresponding to the limit sliding grooves, the limit sliding rails are clamped in the limit sliding grooves and are movably connected with the limit sliding grooves, a cylinder supporting plate is fixedly connected to the bottom end face of the transformer room on one side of the movable fire-retardant board, a second cylinder is fixedly connected to one side face of the cylinder supporting plate, an output shaft of the second cylinder is fixedly connected with the movable fire-retardant board, rectangular grooves are formed in the side faces of the movable fire-retardant board and the fixed fire-retardant board, a chute is arranged in the rectangular grooves, the transformer is connected with a high-voltage cabinet and a low-voltage cabinet through lead wire on two sides of the chute on the upper side of the transformer, and foam fire-extinguishing mechanism and dry powder extinguishing mechanism are arranged on two sides inside the ladder stand.
6. The preassembled transformer substation for a distributed photovoltaic power plant according to claim 5, characterized in that the foam fire extinguishing mechanism comprises in particular: the foam fire extinguishing chamber is arranged on one side of the inside of the landing, a first vertical pipe communicated with the foam fire extinguishing chamber is arranged at the bottom of the foam fire extinguishing chamber, the output end of the first vertical pipe is connected with a first electromagnetic directional valve, two output ends of the first electromagnetic directional valve are fixedly connected with first transverse pipes, one of the first transverse pipes penetrates through the corresponding movable flame-retardant plate and extends to a gap between the movable flame-retardant plate and the fixed flame-retardant plate, and the other transverse pipe also penetrates through the corresponding movable flame-retardant plate and extends to a gap between the movable flame-retardant plate and the fixed flame-retardant plate.
7. A preassembled transformer substation for a distributed photovoltaic power plant according to claim 5 or 6, characterized in that the dry powder fire extinguishing mechanism comprises in particular: the dry powder fire extinguishing chamber is arranged on the other side inside the terrace, a second vertical pipe communicated with the dry powder fire extinguishing chamber is arranged at the bottom of the dry powder fire extinguishing chamber, a second electromagnetic reversing valve is connected to the output end of the second vertical pipe, two output ends of the second electromagnetic reversing valve are fixedly connected with second transverse pipes, one of the second transverse pipes penetrates through the corresponding fixed flame-retardant plate and the movable flame-retardant plate and extends to the top end inside the high-pressure chamber, the other second transverse pipe also penetrates through the corresponding fixed flame-retardant plate and the movable flame-retardant plate and extends to the top end inside the low-pressure chamber, and a nozzle is fixedly connected to the bottom end of the second transverse pipe inside the low-pressure chamber and the high-pressure chamber.
8. A preassembled transformer substation for a distributed photovoltaic power plant according to claim 1, wherein the sensor assembly comprises a temperature sensor and a smoke sensor.
9. The preassembled transformer substation for a distributed photovoltaic power plant according to claim 1, wherein a radiating window is formed in one side surface of the box body, and the radiating window is communicated with the transformer.
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| CN202310819397.6A CN116544826B (en) | 2023-07-06 | 2023-07-06 | Preassembled transformer substation applied to distributed photovoltaic power plant |
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| CN202310819397.6A CN116544826B (en) | 2023-07-06 | 2023-07-06 | Preassembled transformer substation applied to distributed photovoltaic power plant |
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| CN117791393B (en) * | 2024-02-27 | 2024-05-07 | 广东佛锐电气有限公司 | Double-layer preassembled transformer substation with photovoltaic device and applied to charging pile |
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| CN215378117U (en) * | 2021-06-30 | 2021-12-31 | 江苏澄暨阳电力设备有限公司 | Intelligent box-type substation |
| CN218678010U (en) * | 2022-10-17 | 2023-03-21 | 浙江远大电力设备有限公司 | Low-voltage distribution cabinet convenient to installation |
| CN115939990A (en) * | 2022-12-29 | 2023-04-07 | 蚌埠电力规划设计院有限公司 | Box-type substation with multiple protective structure |
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2023
- 2023-07-06 CN CN202310819397.6A patent/CN116544826B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207339043U (en) * | 2017-04-06 | 2018-05-08 | 浙江中恩电气有限公司 | A kind of high preassembled transformer station of stability |
| EP3630302A1 (en) * | 2017-06-02 | 2020-04-08 | Datanet GmbH | Safety cabinet for active electrical and/or electronic components |
| CN210733782U (en) * | 2019-07-12 | 2020-06-12 | 泉州观言科技有限公司 | Sun visor with adjustable new energy automobile |
| CN215378117U (en) * | 2021-06-30 | 2021-12-31 | 江苏澄暨阳电力设备有限公司 | Intelligent box-type substation |
| CN218678010U (en) * | 2022-10-17 | 2023-03-21 | 浙江远大电力设备有限公司 | Low-voltage distribution cabinet convenient to installation |
| CN115939990A (en) * | 2022-12-29 | 2023-04-07 | 蚌埠电力规划设计院有限公司 | Box-type substation with multiple protective structure |
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| CN116544826A (en) | 2023-08-04 |
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