CN114937925B - Distributed photovoltaic power generation grid-connected power distribution cabinet - Google Patents
Distributed photovoltaic power generation grid-connected power distribution cabinet Download PDFInfo
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- CN114937925B CN114937925B CN202210670200.2A CN202210670200A CN114937925B CN 114937925 B CN114937925 B CN 114937925B CN 202210670200 A CN202210670200 A CN 202210670200A CN 114937925 B CN114937925 B CN 114937925B
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- fire extinguishing
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- fire
- cabinet
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- 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
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Photovoltaic Devices (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a distributed photovoltaic power generation grid-connected power distribution cabinet, which comprises a cabinet body, wherein a hollow cavity is formed in the top of the cabinet body, a cabinet door is arranged on the cabinet body, and the distributed photovoltaic power generation grid-connected power distribution cabinet also comprises: the unit of putting out a fire, it including the board of putting out a fire, put out a fire the board activity set up in the internal top of cabinet, the part packing between board and the hollow chamber of putting out a fire has the sand of putting out a fire, is provided with the subassembly that opens and shuts on the internal wall of cabinet, when the internal conflagration that breaks out of cabinet, the subassembly that opens and shuts drives the board motion of putting out a fire so that the sand of putting out a fire inclines to the internal portion of cabinet, when monitoring equipment monitors the internal conflagration that breaks out of switch on the switch board, and remote start opens and shuts the subassembly and drive the board rotation of putting out a fire, and the sand of putting out a fire on the board falls into on the kind of a fire, and the sand of a fire of putting out a fire in the switch board in time goes out the processing, prevents to cause bigger conflagration, has improved the efficiency of putting out a fire.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to a distributed photovoltaic power generation grid-connected power distribution cabinet.
Background
A power distribution cabinet (box) is the final equipment of a power distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment reply load provides protection, supervision and control, because the circuit in the switch board is comparatively complicated, when the temperature is higher or the circuit takes place the short circuit, easily takes place the conflagration, and the harm that the circuit conflagration caused is great, so need in time put out a fire to the kind of a fire and handle.
If publication number is CN108711755A, and publication number is 2018, 10 and 26, the invention discloses a heat dissipation power distribution cabinet, which comprises a cabinet body heat dissipation power distribution cabinet, wherein the top of the cabinet body heat dissipation power distribution cabinet is provided with an air inlet heat dissipation power distribution cabinet, an air inlet cover is arranged at the air inlet, two side walls of the cabinet body heat dissipation power distribution cabinet are provided with heat dissipation window heat dissipation power distribution cabinets, heat dissipation window covers are arranged at the heat dissipation windows, a fan heat dissipation power distribution cabinet is arranged at the heat dissipation power distribution cabinet at one side, the fan heat dissipation power distribution cabinet is positioned inside the cabinet body heat dissipation power distribution cabinet, an air outlet heat dissipation power distribution cabinet is arranged at the bottom of the cabinet body heat dissipation power distribution cabinet, a metal filter screen heat dissipation power distribution cabinet is arranged at the air outlet heat dissipation power distribution cabinet, and a cabinet door heat dissipation power distribution cabinet is arranged on the cabinet body heat dissipation power distribution cabinet. The invention can solve the problem of shortened service life of circuit components in the power distribution cabinet due to poor heat dissipation.
Switch board among the prior art all prevents the conflagration through setting up the thermovent, can not go out to the kindling that the switch board produced, when the inside conflagration that takes place of switch board, because switch board self can not in time go out the kindling in the switch board, need the fire fighter to use the fire extinguisher just can put out a fire and handle, and very obvious time of putting out a fire is too slow.
Disclosure of Invention
The invention aims to provide a distributed photovoltaic power generation grid-connected power distribution cabinet to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a distributing type photovoltaic power generation switch board that is incorporated into power networks, includes the cabinet body, hollow chamber has been seted up at cabinet body top, be provided with the cabinet door on the cabinet body, still include:
the fire extinguishing unit comprises a fire extinguishing plate, the fire extinguishing plate is movably arranged at the top of the cabinet body, fire extinguishing sand is filled in a part between the fire extinguishing plate and the hollow cavity, an opening and closing assembly is arranged on the inner wall of the cabinet body, and when a fire disaster occurs in the cabinet body, the opening and closing assembly drives the fire extinguishing plate to move so that the fire extinguishing sand inclines to the inside of the cabinet body.
The cabinet door structure comprises a cabinet body, a cabinet door and a cabinet door, wherein the cabinet door is arranged in the cabinet body, the cabinet door is fixedly arranged at the bottom of the cabinet body, a cabinet door is fixedly arranged at the top end of the first sliding plate from the side close to one end of the cabinet door to the side close to one end of the cabinet door, a cabinet door is fixedly arranged at the top end of the first sliding plate from the side close to one end of the cabinet door, a cabinet door is arranged at the top end of the second sliding plate, a cabinet door is arranged at the bottom end of the second sliding plate from the side close to one end of the cabinet door, a plurality of spring supporting plates are arranged at the top end of the third sliding plate from the side close to one end of the top end of the cabinet door, and a plurality of spring supporting plates are arranged at the top end close to one side of the top end of the cabinet door.
Foretell, the subassembly that opens and shuts includes electric putter, a plurality of straight flutes have been seted up with cabinet door relative lateral wall bilateral symmetry to the cabinet body, and is a plurality of the straight flute all is mutually perpendicular and is located the middle part of second backup pad with the second backup pad, and the pushing ram is installed through sliding fit's mode between the straight flute inner site second backup pad and the spout inner wall, and the middle part looks butt of pushing ram and second backup pad, and fixed mounting has electric putter on the inner wall of pushing ram one side is kept away from to the straight flute, and electric putter's power end is connected with the pushing ram.
Foretell, the internal lateral wall relative with the cabinet door that is located of cabinet is provided with the driven husky subassembly that pushes away, the driven husky subassembly that pushes away is including pushing away the sand board, the draw-in groove has been seted up on the internal lateral wall relative with the cabinet door of cabinet, and the draw-in groove is located the board upside of putting out a fire, installs two through sliding fit's mode symmetry in the draw-in groove and pushes away the sand board, and the sand board upside that pushes away of one side has seted up the perforation in the draw-in groove, and the opposite side in the draw-in groove push away the sand board downside and also have seted up the perforation relative position on the sand board with one side and seted up the through-hole, two it all is connected with the haulage rope with perforation relative position on the sand board to push away the sand board, and one side pushes away perforation and through-hole back and the board top of putting out a fire of opposite side and is connected.
Foretell, the part that just is located between draw-in groove and the cabinet body top in the hollow cavity is installed reserve fire branch chain, reserve fire branch chain is used for putting out a fire unit replenishment sand of putting out a fire.
Foretell, cabinet body bottom has seted up U type ventilation groove to the circumference at top in, U type ventilation groove bottom opening part is provided with the separation net, and U type ventilation groove is located evenly to be provided with a plurality of ventilation holes between the part at cabinet body top and the hollow chamber.
Foretell, cabinet body both sides lateral wall just is close to cabinet door one side and keeps away from cabinet door one side symmetry its evenly seted up a plurality of U form radiating grooves, and U form radiating groove bottom is linked together with U type air channel bottom, and U form radiating groove top is linked together with hollow chamber, and U form radiating groove top exit position is connected with the ventilation hose, and the ventilation hose inserts in the sand of putting out a fire, and the ventilation hose is located draw-in groove and the reserve part of putting out a fire between the branch chain of hollow intracavity.
Foretell, the part that the cabinet body top just is located between the board of putting out a fire is provided with the jam board, the jam board prevents that the sand of putting out a fire from leaking from the clearance between the board of putting out a fire.
The cabinet body is characterized in that a through groove is formed in the side wall, located on one side of the cabinet door, of the top of the cabinet body, and the through groove is communicated with the U-shaped ventilation groove.
In the above, the top surface of the sliding plate is an inclined surface inclined downwards from one end close to the side wall of the cabinet body to one end of the sliding opposite surface.
The invention has the beneficial effects that: when monitoring the conflagration breaing out in the switch board through monitoring facilities, the long-range subassembly that opens and shuts drives the board rotation of putting out a fire, and the sand of putting out a fire on the board of putting out a fire falls into on the kind of a fire, and the sand of putting out a fire in time goes out to remove the processing to the kind of a fire in the switch board, prevents to cause bigger conflagration, has improved the efficiency of putting out a fire.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of FIG. 1 of the present invention;
FIG. 3 is a top view of FIG. 1 in accordance with the present invention;
FIG. 4 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 3 according to the present invention;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3 according to the present invention;
FIG. 6 is a schematic cross-sectional view taken at C-C of FIG. 2 according to the present invention;
FIG. 7 is a schematic cross-sectional view taken along line D-D of FIG. 2 in accordance with the present invention;
FIG. 8 is an enlarged view of the structure at M of FIG. 7 according to the present invention;
FIG. 9 is a schematic cross-sectional view taken along line E-E of FIG. 3 in accordance with the present invention;
FIG. 10 is an enlarged view of the structure at the position N of FIG. 9 according to the present invention
FIG. 11 is a schematic cross-sectional view taken along line F-F of FIG. 3 according to the present invention;
FIG. 12 is a schematic view of a cut-away perspective structure of the interior of the cabinet body of the present invention;
FIG. 13 is a schematic view of a partial perspective view of a fire suppression unit of the present invention;
fig. 14 is a schematic perspective view of the top of the cabinet of the present invention.
Description of reference numerals:
1. a cabinet body; 11. a hollow cavity; 12. a cabinet door; 13. a U-shaped ventilation slot; 14. a separation net; 15. a vent hole; 16. a U-shaped heat dissipation groove; 17. a ventilation hose; 18. a blocking plate; 19. penetrating a groove; 2. a fire extinguishing unit; 21. a fire extinguishing plate; 22. fire extinguishing sand; 23. a rotating shaft; 24. a chute; 25. a sliding plate; 26. A first support plate; 27. a second support plate; 28. a third support plate; 29. the spring is tightly propped; 3. an opening and closing assembly; 31. an electric push rod; 32. a straight groove; 33. a push rod; 4. a driven sand-pushing assembly; 41. pushing a sand plate; 42. a card slot; 43. perforating; 44. a through hole; 45. a hauling rope; 5. a standby fire extinguishing branch chain; 51. Positioning the shaft; 52. a rotating plate; 53. a bearing plate.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 14, the distributed photovoltaic power generation grid-connected power distribution cabinet provided in the embodiment of the present invention includes a cabinet body 1, a hollow cavity 11 is formed at the top of the cabinet body 1, a cabinet door 12 is arranged on the cabinet body 1, and the distributed photovoltaic power generation grid-connected power distribution cabinet further includes:
the fire extinguishing unit 2 comprises a fire extinguishing plate 21, the fire extinguishing plate 21 is movably arranged at the top in the cabinet body 1, fire extinguishing sand 22 is filled in a part between the fire extinguishing plate 21 and the hollow cavity 11, an opening and closing assembly 3 is arranged on the inner wall of the cabinet body 1, when a fire breaks out in the cabinet body 1, the opening and closing assembly 3 drives the fire extinguishing plate 21 to move so that the fire extinguishing sand 22 inclines into the cabinet body 1, specifically, the existing power distribution cabinet is provided with a cabinet door 12, the closed cabinet door 12 protects circuits in the power distribution cabinet, the fire is prevented in the power distribution cabinet by arranging a heat dissipation opening, the fire generated by the power distribution cabinet cannot be extinguished, when the fire breaks out in the cabinet body 1, a fire fighter needs to forcibly open the cabinet door 12 to extinguish the fire in the power distribution cabinet, the power distribution cabinet disclosed by the invention can start the opening and closing assembly 3 through a remote control switch when the fire breaks out in the power distribution cabinet door through monitoring equipment, the opening and closing assembly 3 drives the fire extinguishing plate 21 to rotate by a certain angle, the fire extinguishing sand 22 on the fire extinguishing plate 21 slides onto the fire in the power distribution cabinet, the fire extinguishing sand in time, and the power distribution cabinet to improve the fire extinguishing efficiency.
Further, the fire extinguishing unit 2 further comprises a rotating shaft 23, two rotating shafts 23 are symmetrically installed on two sides of the inner top of the cabinet body 1, the two rotating shafts 23 are located in the middle of the horizontal direction of the inner side of the cabinet body, the two fire extinguishing plates 21 are installed on the two rotating shafts 23 in a one-to-one correspondence manner in a rotating fit manner, the end portions of the two fire extinguishing plates 21 are in butt joint to seal one horizontal plane of the inner top of the cabinet body 1, two sliding grooves 24 are symmetrically formed in two sides of the cabinet body 1, the sliding grooves 24 extend from the top to the bottom of the side wall, three sliding plates 25 are evenly installed in the sliding grooves 24 from top to bottom in a sliding fit manner, the three sliding plates are sequentially a first sliding plate, a second sliding plate and a third sliding plate from bottom to top, the bottom of the first sliding plate 25 is in butt joint with a plurality of first supporting plates 26 from one end close to one end away from the cabinet door 12, the bottom ends of the first support plates 26 are fixedly mounted on the inner wall of the bottom of the cabinet body 1, the top end of the first sliding plate 25 is fixedly mounted with a plurality of second support plates 27 from one end close to the cabinet door 12 to one end far away from the cabinet door 12 (the second support plates 27 are temperature deformation parts, the temperature deformation parts refer to that the plastic deformation is generated when the temperature exceeds a preset temperature, for example, 80 degrees, so that the support force is lost, the preset temperature can also be in a range, for example, 60-100, any value in the temperature range can be obtained, for example, the plastic deformation is generated when the temperature of PET plastic exceeds 80 degrees, the effect is obtained when the temperature of acrylic exceeds 70 degrees, abs materials also have similar effects, more plastic materials with the effect are used, the plastic materials are the prior art, not all the details are repeated, namely, the plastic deformation is generated when the temperature of the second support plates 27 is higher), the top ends of the second support plates 27 on the first sliding plate 25 are abutted to the bottom of the second sliding plate 25, a plurality of second support plates 27 are fixedly mounted at the top end of the second sliding plate 25 from the end close to the cabinet door 12 to the end far from the cabinet door 12, the top end of the second support plate 27 on the second sliding plate 25 is abutted against the bottom of the third sliding plate 25, a plurality of third support plates 28 are fixedly mounted at the top end of the third sliding plate 25 from the end close to the cabinet door 12 to the end far from the cabinet door 12, the top end of the third support plate 28 is abutted against the bottom end of the fire extinguishing plate 21 at the side far from the rotating shaft 23, the top end of the fire extinguishing plate 21 at the side far from the rotating shaft 23 is abutted against a plurality of abutting springs 29 from the end close to the cabinet door 12 to the end far from the cabinet door 12, and the top ends of the abutting springs 29 are fixedly mounted on the inner wall of the hollow cavity 11, specifically, when the opening and closing assembly 3 is damaged by the burning of fire, and when a worker can not remotely open and close the opening assembly 3, (1) when a fire disaster occurs on the first side in the cabinet body 1, the second supporting plate 27 on the first side in the cabinet body 1 is deformed due to high temperature, the original hardness is lost, the sliding plate 25 abutted against the second supporting plate 27 on the first side loses supporting force, the sliding plate 25 slides towards one end of the bottom of the cabinet body 1 in the sliding groove 24, the sliding plate 25 drives the first supporting plate 26 to slide towards one end of the bottom of the cabinet body 1, the end, far away from the rotating shaft 23, of the fire extinguishing plate 21 on the first side loses supporting force of the first supporting plate 26, under the action of gravity of the fire extinguishing sand 22, the fire extinguishing plate 21 on the first side rotates for a certain angle by taking the rotating shaft 23 as the center, the fire extinguishing sand 22 on the fire extinguishing plate 21 on the first side slides onto a fire variety, and the fire variety in the cabinet body 1 is extinguished; (2) When a fire disaster occurs at the second side in the cabinet body 1, the second supporting plate 27 at the second side in the cabinet body 1 is deformed due to high temperature, the original hardness is lost, the sliding plate 25 abutted against the second supporting plate 27 at the second side loses the supporting force, the sliding plate 25 slides towards one end of the bottom of the cabinet body 1 in the sliding groove 24, the sliding plate 25 drives the first supporting plate 26 to slide towards one end of the bottom of the cabinet body 1, the end, far away from the rotating shaft 23, of the fire extinguishing plate 21 at the second side loses the supporting force of the first supporting plate 26, under the action of the gravity of the fire extinguishing sand 22, the fire extinguishing plate 21 at the second side rotates for a certain angle by taking the rotating shaft 23 as the center, the fire extinguishing sand 22 on the fire extinguishing plate 21 at the second side slides onto a fire seed, and the fire seed in the cabinet body 1 is extinguished; (3) When the conflagration takes place simultaneously in cabinet body 1 inboard first side and second side, because the higher second backup pad 27 that makes cabinet body 1 of temperature takes place to warp, lose original hardness, make sliding plate 25 of butt lose the holding power on the second backup pad 27, sliding plate 25 slides to cabinet body 1 bottom one end in spout 24, sliding plate 25 drives first backup pad 26 and slides to cabinet body 1 bottom one end, make the board 21 that goes out a fire keep away from 23 one end of pivot and lose the support dynamics of first backup pad 26, the board 21 that goes out a fire uses pivot 23 to rotate certain angle as the center, the sand 22 landing of putting out a fire on the board 21 that goes out a fire is on the kind of a fire, go out to remove the processing to the kind of a fire in the cabinet body 1.
Further, the opening and closing assembly 3 comprises an electric push rod 31, a plurality of straight grooves 32 are symmetrically formed in two sides of a side wall, opposite to the cabinet door 12, in the cabinet body 1, the straight grooves 32 are perpendicular to the second support plate 27 and located in the middle of the second support plate 27, a push rod 33 is installed between the second support plate 27 and the inner wall of the sliding groove 24 in the straight grooves 32 in a sliding fit manner, the push rod 33 abuts against the middle of the second support plate 27, the electric push rod 31 is fixedly installed on the inner wall, away from the push rod 33, of the straight grooves 32, the power end of the electric push rod 31 is connected with the push rod 33, specifically, when a worker monitors fire in the power distribution cabinet through monitoring equipment, the worker starts the electric push rod 31 through a remote control switch, two electric putter 31 drive two pushing ram 33 and slide to one side that is close to each other in straight flute 32, because pushing ram 33 is located between second backup pad 27 and the spout 24 inner wall, so pushing ram 33 exerts a great pressure to second backup pad 27 when sliding in straight flute 32, drive second backup pad 27 and remove so that the sliding plate 25 of butt loses the holding power on second backup pad 27, sliding plate 25 slides to cabinet body 1 bottom one end in spout 24, sliding plate 25 drives first backup pad 26 and slides to cabinet body 1 bottom one end, make fire extinguishing plate 21 keep away from pivot 23 one end and lose the support dynamics of first backup pad 26, under the action of gravity of fire extinguishing sand 22, fire extinguishing plate 21 uses pivot 23 to rotate certain angle as the center, fire extinguishing sand 22 on fire extinguishing plate 21 slides on the kind of a fire, carry out the removal processing to the kind of a fire in the cabinet body 1.
Further, a driven sand pushing assembly 4 is arranged on a side wall opposite to the cabinet door 12 in the cabinet body 1, the driven sand pushing assembly 4 comprises sand pushing plates 41, a clamping groove 42 is formed in the side wall opposite to the cabinet door 12 in the cabinet body 1, the clamping groove 42 is positioned on the upper side of the fire extinguishing plate 21, two sand pushing plates 41 are symmetrically arranged in the clamping groove 42 in a sliding fit manner, a through hole 43 is formed in the upper side of the sand pushing plate 41 on one side (for example, the left side) in the clamping groove 42, a through hole 43 is also formed in the lower side of the sand pushing plate 41 on the other side (for example, the right side) in the clamping groove 42, a through hole 44 is formed in the inner wall of the clamping groove 42 at a position opposite to the through hole 43 on the sand pushing plate 41 on the same side, and traction ropes 45 are connected to the positions opposite to the through holes 43 on the two sand pushing plates 41 (the traction ropes 45 are fire-resistant burning ropes, such as asbestos ropes and zinc-plated steel wire ropes), and the pulling rope 45 on the sand pushing plate 41 on one side (such as the left side/the right side) penetrates through the through hole 43 and the through hole 44 on the sand pushing plate 41 on the other side (such as the right side/the left side), and the pulling rope 45 penetrates through the through hole 43 and the through hole 44 and then is connected with the top end of the fire extinguishing plate 21 on the other side (such as the right side/the left side), specifically, (1) when the second supporting plate 27 on the first side in the cabinet body 1 is deformed, the sliding plate 25 abutting against the second supporting plate 27 on the first side loses the supporting force, so that the end of the fire extinguishing plate 21 on the first side, which is far away from the rotating shaft 23, loses the supporting force of the first supporting plate 26, the fire extinguishing plate 21 on the first side rotates by a certain angle with the rotating shaft 23 as the center, the pulling rope 45 connected with the fire extinguishing plate 21 on the first side is pulled by the pulling rope 45, the sand pushing plate 41 on the second side slides from the end of the fire extinguishing plate 21 on the second side to the end of the fire extinguishing plate 21 on the first side in the clamping groove 42, the sand pushing plate 41 on the second side pulls the fire extinguishing sand 22 on the fire extinguishing plate 21 on the second side to the fire extinguishing plate 21 on the first side, so that the quantity of the fire extinguishing sand 22 on the fire extinguishing plate 21 on the first side is increased, and the fire extinguishing efficiency is improved; (2) When the second supporting plate 27 at the second side in the cabinet body 1 deforms, the sliding plate 25 abutted on the second supporting plate 27 at the second side loses supporting force, the end, away from the rotating shaft 23, of the fire extinguishing plate 21 at the second side loses supporting force of the first supporting plate 26, the fire extinguishing plate 21 at the second side rotates by a certain angle by taking the rotating shaft 23 as a center, the fire extinguishing plate 21 at the second side pulls the traction rope 45 connected with the fire extinguishing plate 21, the traction rope 45 drives the sand pushing plate 41 at the first side to slide from one end of the fire extinguishing plate 21 at the first side to one end of the fire extinguishing plate 21 at the second side in the clamping groove 42, the sand pushing plate 41 at the first side pulls the fire extinguishing sand 22 on the fire extinguishing plate 21 at the first side to the fire extinguishing plate 21 at the second side, the amount of the fire extinguishing sand 22 on the fire extinguishing plate 21 at the second side is increased, and the fire extinguishing efficiency is improved; (3) Second backup pad 27 of first side and second side all takes place to warp in the cabinet body 1, make sliding plate 25 of butt lose the holding power in the second backup pad 27, make the board 21 of putting out a fire keep away from the support dynamics that pivot 23 one end lost first backup pad 26, the board 21 of putting out a fire uses pivot 23 to rotate certain angle as the center, the board 21 pulling of putting out a fire 45 rather than being connected, the haulage rope 45 drives and pushes away husky board 41 and slides to being close to one end each other from keeping away from one end each other in draw-in groove 42, because the husky 22 of putting out a fire is whole to slide behind the board 21 of putting out a fire, it need not push away the husky 22 slip of putting out a fire to push away husky board 41.
Furthermore, a spare fire extinguishing branch chain 5 is arranged in the hollow cavity 11 and between the clamping groove 42 and the top of the cabinet body 1, the spare fire extinguishing branch chain 5 is used for supplementing fire extinguishing sand 22 to the fire extinguishing unit 2, the spare fire extinguishing branch chain 5 comprises a positioning shaft 51, two positioning shafts 51 are symmetrically arranged on the part between the clamping groove 42 and the top of the cabinet body 1 in the hollow cavity 11, a rotating plate 52 is arranged on the positioning shafts 51 in a rotating fit mode, the bottom of one end, far away from the positioning shafts 51, of the rotating plate 52 is abutted with a supporting plate 53, the bottom of the supporting plate 53 is fixedly arranged on the sand pushing plate 41, and specifically, (1) when the second supporting plate 27 on the first side in the cabinet body 1 is deformed, so that the end of the fire extinguishing plate 21 far from the rotating shaft 23 on the first side loses the supporting force of the first supporting plate 26, the fire extinguishing plate 21 on the first side pulls the traction rope 45 connected with the fire extinguishing plate 21 when rotating, the traction rope 45 drives the sand pushing plate 41 on the second side to slide from the end of the fire extinguishing plate 21 on the second side to the end of the fire extinguishing plate 21 on the first side in the clamping groove 42, the sand pushing plate 41 on the second side drives the supporting plate 53 on the top end to move, so that the end of the rotating plate 52 at the second side far from the positioning shaft 51 loses the support of the supporting plate 53, under the action of the gravity of the fire extinguishing sand 22, the rotating plate 52 on the second side rotates around the positioning shaft 51, the fire extinguishing sand 22 remaining on the rotating plate 52 on the second side slides down onto the fire extinguishing plate 21 on the second side, the fire extinguishing sand 22 on the fire extinguishing plate 21 on the second side is pushed onto the fire extinguishing plate 21 on the first side by the sand pushing plate 41 on the second side, so that the quantity of the fire extinguishing sand 22 on the fire extinguishing plate 21 on the second side is reduced, and at the moment, the fire extinguishing sand 22 remaining on the rotating plate 52 on the second side slides onto the fire extinguishing plate 21 on the second side, so that the fire extinguishing sand 22 on the fire extinguishing plate 21 on the second side is supplemented to a certain extent; (2) When the second supporting plate 27 on the second side in the cabinet 1 is deformed, so that the end of the fire extinguishing plate 21 on the second side away from the rotating shaft 23 loses the supporting force of the first supporting plate 26, the fire extinguishing plate 21 on the second side pulls the pulling rope 45 connected thereto when rotating, the pulling rope 45 drives the sand pushing plate 41 on the first side to slide from the end of the fire extinguishing plate 21 on the first side to the end of the fire extinguishing plate 21 on the second side in the clamping groove 42, the sand pushing plate 41 on the first side drives the supporting plate 53 on the top end of the sand pushing plate 41 on the first side to move, so that the end of the rotating plate 52 on the first side away from the positioning shaft 51 loses the support of the supporting plate 53, under the gravity of the fire extinguishing sand 22, the rotating plate 52 on the first side rotates around the positioning shaft 51, the fire extinguishing sand 22 remaining on the rotating plate 52 on the first side slides onto the fire extinguishing plate 21 on the first side, and the sand pushing plate 41 on the first side pushes the sand 22 on the fire extinguishing plate 21 on the second side onto the fire extinguishing plate 21, thereby reducing the number of the fire extinguishing plates 22 on the fire extinguishing plate 21 on the first side, and supplementing the fire extinguishing sand sliding onto the rotating plate 22 on the first side, and supplementing the fire extinguishing plate 21 on the fire extinguishing plate on the first side; (3) When the second supporting plates 27 on the first side and the second side in the cabinet 1 are deformed, the end of the fire extinguishing plate 21 away from the rotating shaft 23 loses the supporting force of the first supporting plate 26, the fire extinguishing plate 21 pulls the pulling rope 45 connected thereto when rotating, the pulling rope 45 drives the sand pushing plate 41 to slide from the end away from each other to the end close to each other in the clamping groove 42, the sand pushing plate 41 drives the supporting plate 53 on the top end thereof to move, the end of the rotating plate 52 away from the positioning shaft 51 loses the support of the supporting plate 53, under the gravity action of the fire extinguishing sand 22, the rotating plate 52 rotates around the positioning shaft 51, the fire extinguishing sand 22 remaining on the rotating plate 52 slides onto the fire extinguishing plate 21, a certain amount of supplement is performed on the fire extinguishing sand 22 on the fire extinguishing plate 21, and the supplemented fire extinguishing sand 22 slides onto the fire seed from the fire extinguishing plate 21, so as to further perform fire extinguishing treatment, and those skilled in the art can understand that the first side can be the left side or the right side.
Furthermore, the circumference of the bottom of the cabinet body 1 towards the top is provided with a U-shaped ventilation groove 13, an opening at the bottom of the U-shaped ventilation groove 13 is provided with a separation net 14, and a plurality of ventilation holes 15 are uniformly arranged between the part of the U-shaped ventilation groove 13 positioned at the top of the cabinet body 1 and the hollow cavity 11.
Further, the cabinet body 1 both sides lateral wall just is close to cabinet door 12 one side and keeps away from cabinet door 12 one side symmetry it and has evenly seted up a plurality of U form radiating groove 16, U form radiating groove 16 bottom and U type air channel 13 bottom are linked together, U form radiating groove 16 top is linked together with hollow chamber 11, U form radiating groove 16 top exit position is connected with ventilation hose 17, and ventilation hose 17 inserts in the sand of putting out a fire 22, ventilation hose 17 is located the part between draw-in groove 42 and the reserve branch chain 5 of putting out a fire in hollow chamber 11, specifically, when cabinet body 1 outside has the cooling wind to blow through, the cooling wind blows in ventilation hose 17 through U type air channel 13 and U form radiating groove 16, ventilation hose 17 blows in the inside sand of putting out a fire 22 with the cooling wind, prevent that the sand of putting out a fire 22 from gathering into the heap, and when cabinet body 1 inside because the heat that the circuit produced is great, the heat that the circuit produced flows in into the sand of putting out a fire through U form radiating groove 16 and ventilation hose 17, can carry out a certain cooling treatment to the heat of putting out a fire of the heat that the cabinet body 1 produced because the circuit can prevent the heat of the cabinet body 1 from gathering into the heap, the heat dissipation of the cabinet body 1 has improved the efficiency that the heat that the cabinet body 1 is stuck.
Preferably, the portion that the cabinet body 1 top just is located between the fire extinguishing plate 21 is provided with jam plate 18, jam plate 18 prevents that fire extinguishing sand 22 from leaking from the clearance between the fire extinguishing plate 21, and is specific, pushes away the in-process of sand 22 that pushes away on fire extinguishing plate 21 of sand board 41, and fire extinguishing sand 22 all need to slide from jam plate 18 when rolling on the fire extinguishing plate 21 of both sides, and jam plate 18 has effectually prevented that fire extinguishing sand 22 from leaking from the clearance between fire extinguishing plate 21.
Preferably, the lateral wall of cabinet body 1 top position in cabinet door 12 one side has seted up through groove 19, and through groove 19 is linked together with U type air channel 13, and is specific, when cooling air blows through the top of cabinet door 12 one side, cooling air can blow in cabinet body 1 through groove 19 and U type air channel 13, carries out certain heat dissipation to cabinet body 1 inside and handles to the heat dissipation wind that follow U type air channel 13 and U-shaped heat dissipation groove 16 exhaust also can be followed through groove 19 and discharged.
Preferably, the top surface of the sliding plate 25 is an inclined surface inclined downwards from one end close to the side wall of the cabinet body 1 to one end of the sliding opposite surface, specifically, when the fire extinguishing sand 22 falls off from the fire extinguishing plate 21, it is inevitable that some fire extinguishing sand 22 falls on the top surface of the sliding plate 25, but the top surface of the sliding plate 25 is set to be an inclined surface, so that the fire extinguishing sand 22 can be effectively prevented from remaining on the top surface of the sliding plate 25, the quantity of the fire extinguishing sand 22 participating in fire extinguishing is increased, the fire extinguishing efficiency is improved, and the sliding plate 25 has certain guidance for the sliding path and direction of the fire extinguishing sand 22, so that the fire extinguishing sand 22 rebounds on the inclined surface of the sliding plate 25 and falls on the middle part of the bottom of the cabinet body 1, the fire extinguishing sand 22 can be fully put on the fire generated in the cabinet body 1, and the fire extinguishing efficiency of the fire extinguishing sand 22 is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a distributing type photovoltaic power generation switch board that is incorporated into power networks, includes the cabinet body, hollow chamber has been seted up at cabinet body top, be provided with the cabinet door on the cabinet body, its characterized in that still includes:
the fire extinguishing unit comprises a fire extinguishing plate, the fire extinguishing plate is movably arranged at the top in the cabinet body, fire extinguishing sand is filled in the part between the fire extinguishing plate and the hollow cavity, an opening and closing assembly is arranged on the inner wall of the cabinet body, and when a fire breaks out in the cabinet body, the opening and closing assembly drives the fire extinguishing plate to move so that the fire extinguishing sand inclines to the inside of the cabinet body;
the fire extinguishing unit also comprises a rotating shaft, two rotating shafts are symmetrically arranged on two sides of the top in the cabinet body, the two rotating shafts are positioned in the middle of the horizontal direction in the cabinet body, the two fire extinguishing plates are correspondingly arranged on the two rotating shafts in a one-to-one manner in a rotating fit manner, the end parts of the two fire extinguishing plates are butted to seal one horizontal plane at the top in the cabinet body, two sliding chutes are symmetrically arranged on two sides of the cabinet body, the sliding chutes extend from the top to the bottom of the side wall, three sliding plates are uniformly arranged in the sliding chutes from top to bottom in a sliding fit manner, the three sliding plates are sequentially a first sliding plate, a second sliding plate and a third sliding plate from bottom to top, the bottom of the first sliding plate is abutted with a plurality of first supporting plates from one end close to the cabinet door to one end far away from the cabinet door, and the bottom ends of the plurality of first supporting plates are fixedly arranged on the inner wall of the bottom of the cabinet body, a plurality of second support plates are fixedly mounted at the top end of the first sliding plate from one end close to the cabinet door to one end far away from the cabinet door, the top end of each second support plate on the first sliding plate is abutted to the bottom of each second sliding plate, a plurality of second support plates are fixedly mounted at the top end of each second sliding plate from one end close to the cabinet door to one end far away from the cabinet door, the top end of each second support plate on each second sliding plate is abutted to the bottom of each third sliding plate, a plurality of third support plates are fixedly mounted at the top end of each third sliding plate from one end close to the cabinet door to one end far away from the cabinet door, the top end of each third support plate is abutted to the bottom end of one side of the fire extinguishing plate far away from the rotating shaft, a plurality of abutting springs are abutted to the top end of one side of the fire extinguishing plate far away from the rotating shaft, and the top ends of the abutting springs are fixedly mounted on the inner wall of the hollow cavity;
the subassembly that opens and shuts includes electric putter, a plurality of straight flutes have been seted up with the cabinet door relative lateral wall bilateral symmetry in the cabinet body, and is a plurality of the straight flute all is mutually perpendicular and is located the middle part of second backup pad with the second backup pad, and the straight flute is located and installs the pushing ram through sliding fit's mode between second backup pad and the spout inner wall, and the middle part looks butt of pushing ram and second backup pad, and fixed mounting has electric putter on the inner wall that pushing ram one side was kept away from to the straight flute, and electric putter's power end is connected with the pushing ram.
2. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 1, wherein a driven sand pushing assembly is arranged on a side wall opposite to the cabinet door in the cabinet body, the driven sand pushing assembly comprises sand pushing plates, a clamping groove is formed in the side wall opposite to the cabinet door in the cabinet body, the clamping groove is located on the upper side of the fire extinguishing plate, two sand pushing plates are symmetrically installed in the clamping groove in a sliding fit mode, a through hole is formed in the upper side of one sand pushing plate on one side in the clamping groove, a through hole is also formed in the lower side of the other side in the clamping groove, a through hole is formed in the inner wall of the clamping groove in a position opposite to the through hole in the sand pushing plate on the same side, traction ropes are connected to positions opposite to the through holes on the sand pushing plates on the two sides, the traction ropes penetrate through the through holes and the through holes in the sand pushing plate on the other side, and are connected to the top end of the fire extinguishing plate on the other side after penetrating through the through holes and the through holes.
3. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 2, wherein a spare fire extinguishing branch chain is installed in the hollow cavity and between the clamping groove and the top of the cabinet body, and the spare fire extinguishing branch chain is used for supplementing fire extinguishing sand to the fire extinguishing unit.
4. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 1, wherein a U-shaped ventilation groove is formed in the circumferential direction from the bottom of the cabinet body to the top, a separation net is arranged at an opening at the bottom of the U-shaped ventilation groove, and a plurality of ventilation holes are uniformly formed between the part, located at the top of the cabinet body, of the U-shaped ventilation groove and the hollow cavity.
5. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 4, wherein a plurality of U-shaped heat dissipation grooves are symmetrically formed in the side walls of two sides of the cabinet body, close to one side of the cabinet door and far away from one side of the cabinet door, the U-shaped heat dissipation groove bottom ends are communicated with the U-shaped ventilation groove bottom ends, the U-shaped heat dissipation groove top ends are communicated with the hollow cavity, a ventilation hose is connected to an outlet position of the U-shaped heat dissipation groove top ends, the ventilation hose is inserted into fire extinguishing sand, and the ventilation hose is located between a clamping groove in the hollow cavity and the standby fire extinguishing branch chain.
6. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 1, wherein a blocking plate is arranged at the top end of the cabinet body and between the fire extinguishing plates, and the blocking plate prevents fire extinguishing sand from leaking from gaps between the fire extinguishing plates.
7. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 4, wherein a through groove is formed in a side wall, located on one side of the cabinet door, of the top of the cabinet body, and the through groove is communicated with the U-shaped ventilation groove.
8. The distributed photovoltaic power generation grid-connected power distribution cabinet according to claim 1, wherein the top surface of the sliding plate is an inclined surface which is inclined downwards from one end close to the side wall of the cabinet body to one end of the sliding opposite surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670200.2A CN114937925B (en) | 2022-06-14 | 2022-06-14 | Distributed photovoltaic power generation grid-connected power distribution cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210670200.2A CN114937925B (en) | 2022-06-14 | 2022-06-14 | Distributed photovoltaic power generation grid-connected power distribution cabinet |
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| Publication Number | Publication Date |
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| CN114937925A CN114937925A (en) | 2022-08-23 |
| CN114937925B true CN114937925B (en) | 2023-03-24 |
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| CN118352897A (en) * | 2024-04-16 | 2024-07-16 | 华能威海发电有限责任公司 | Power distribution cabinet for distributed photovoltaic power generation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110576762B (en) * | 2019-08-31 | 2024-07-23 | 上海拓攻机器人有限公司 | Fire control cabinet that charges |
| CN212033469U (en) * | 2020-04-20 | 2020-11-27 | 苏师大半导体材料与设备研究院(邳州)有限公司 | Power distribution cabinet for installing and protecting automatic fire extinguishing equipment |
| CN213183872U (en) * | 2020-08-22 | 2021-05-11 | 襄阳九鼎新茂电气有限公司 | Transformer that fire behavior is good |
| CN215781120U (en) * | 2021-08-19 | 2022-02-11 | 沈阳市精诚伟业电气有限公司 | Overturning type fire protection device for transformer |
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