CN116581658B - Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof - Google Patents
Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof Download PDFInfo
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- CN116581658B CN116581658B CN202310657162.1A CN202310657162A CN116581658B CN 116581658 B CN116581658 B CN 116581658B CN 202310657162 A CN202310657162 A CN 202310657162A CN 116581658 B CN116581658 B CN 116581658B
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- overcurrent
- fire extinguishing
- plate
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000001012 protector Effects 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 72
- 238000009434 installation Methods 0.000 claims description 58
- 238000007789 sealing Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 22
- 239000000843 powder Substances 0.000 claims description 15
- 238000002386 leaching Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
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- 238000007599 discharging Methods 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
-
- 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
- H02B1/24—Circuit arrangements for boards or switchyards
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
- H02H3/042—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned combined with means for locating the fault
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to the technical field of power distribution cabinets and discloses a power distribution cabinet with overcurrent power-off protection and a power-off protection method thereof, wherein the power distribution cabinet comprises a cabinet body, a power distribution cavity is arranged in the cabinet body, an openable side door is arranged at an opening of the power distribution cavity, and an overcurrent protection mechanism for carrying out overcurrent protection on a power distribution loop and a fire extinguishing mechanism for extinguishing the power distribution cavity are arranged in the power distribution cavity; the overcurrent protection mechanism comprises a controller, an overcurrent protector and a buzzer, wherein the overcurrent protector is connected in a power distribution loop and used for detecting whether current is overloaded or not, the controller is electrically connected with the overcurrent protector, the buzzer is electrically connected with the controller, and the controller is used for controlling the buzzer to give an alarm. Through above-mentioned structure for overcurrent protection mechanism can monitor the distribution loop in the switch board, makes obtain the power-off protection when the electric current is too big, makes when causing the switch board to fire because of the distribution loop overcurrent, and fire extinguishing mechanism can put out a fire in the switch board.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with overcurrent power-off protection and a power-off protection method thereof.
Background
In a power distribution system, a power distribution cabinet is generally used for centrally controlling a plurality of working devices, which results in a plurality of electrical components and complicated circuits inside the power distribution cabinet. The existing power distribution cabinet is generally only used for integrally controlling a power distribution loop of a foundation for a plurality of working devices to work, when the working devices work simultaneously, the power distribution loop can generate excessive current, so that the load of the power distribution cabinet is overlarge, the intelligent degree of the existing power distribution loop is low, overcurrent protection cannot be carried out on the power distribution loop inside the power distribution cabinet, meanwhile, the load of the power distribution cabinet is large, an electric element and a cable wire inside the power distribution cabinet generate large heat, the internal temperature of the power distribution cabinet is too high, the electric element or the cable wire inside the power distribution cabinet can be burnt out due to the too high temperature, even the internal fire of the power distribution cabinet can be triggered, and potential safety hazards are brought.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an overcurrent power-off protection power distribution cabinet and a power-off protection method thereof.
The invention adopts the following technical scheme for realizing the purposes:
the power distribution cabinet comprises a cabinet body, wherein a power distribution cavity is arranged in the cabinet body, an openable side door is arranged at an opening of the power distribution cavity, and an overcurrent protection mechanism for carrying out overcurrent protection on a power distribution loop and a fire extinguishing mechanism for extinguishing a fire in the power distribution cavity are arranged in the power distribution cavity; the fire extinguishing mechanism comprises a fire extinguishing plate arranged above the power distribution cavity, a containing cavity with a downward opening is arranged in the fire extinguishing plate, a sealing film is arranged at the opening of the containing cavity, and fire extinguishing dry powder is arranged in the containing cavity; a puncture assembly for puncturing the sealing film is arranged below the fire extinguishing plate;
the overcurrent protection mechanism comprises a controller, an overcurrent protector and a buzzer, wherein the overcurrent protector is connected in a power distribution loop and used for detecting whether current is overloaded or not, the controller is electrically connected with the overcurrent protector, the buzzer is electrically connected with the controller, and the controller is used for controlling the buzzer to give an alarm.
Preferably, two opposite sides of the fire extinguishing plate are provided with side plates which are in sliding airtight fit with side walls corresponding to the power distribution cavity, an opening of the accommodating cavity extends inwards to form an installation table part, the sealing film is installed at the installation table part through an installation frame, two sides of the installation frame are bent to form an installation plate part matched with the corresponding side plates, and the installation plate part is installed on the corresponding side plates through bolts;
the puncture assembly comprises a lifting plate which is arranged between the mounting plate parts in a lifting manner, a puncture needle is arranged on the lifting plate, and the lifting plate is used for driving the puncture needle to puncture the sealing film.
Preferably, the lower end part of the mounting plate part protrudes inwards to form a first convex plate, a sliding groove is formed in the opposite side surface of the mounting plate part along the lifting direction of the lifting plate, a sliding block extending into the corresponding sliding groove is arranged at the end part of the lifting plate, a first mounting rod penetrating through the corresponding first convex plate is arranged on the lower plate surface of the lifting plate, a first spring for pushing the lifting plate to move upwards is sleeved on the first mounting rod, a first limiting part is arranged at the lower end part of the first mounting rod, and a traction rope connected with the lower end of the corresponding first mounting rod is mounted on the bottom wall of the accommodating cavity and used for pulling the first mounting rod to keep the first spring in a compressed state.
As the preference, the bleeder vent has been laid relatively on the relative lateral wall of cabinet body, the corresponding bleeder vent is equipped with the through-hole on the curb plate, the lower tip of curb plate is inwards buckled and is formed the second flange, be equipped with the second installation pole that runs through the setting of corresponding second flange on the diapire of distribution chamber, the cover is equipped with the second spring that is used for promoting the curb plate to shift up and realizes bleeder vent and through-hole dislocation mutually on the second installation pole, the second locating part is installed to the upper end department of second installation pole, the lower extreme of haulage rope is connected in the upper end department of second installation pole, the haulage rope is used for pulling the curb plate and moves down and realize bleeder vent and through-hole correspondence.
Preferably, the upper end of the cabinet body is provided with a leaching assembly for cooling the side door, the leaching assembly comprises a water storage tank, the lower end of the water storage tank is provided with a lug which stretches into the power distribution cavity and is attached to the side door, the lug is provided with a water collecting tank communicated with the water storage tank, the side door is internally provided with a cooling cavity, the outer side surface of the lug is provided with a water guide block which stretches into the cooling cavity, the water guide block is internally provided with a runner communicated with the water collecting tank, the water collecting tank is internally provided with a liftable piston block, and the piston block is lifted and used for realizing opening and closing of the runner.
Preferably, the lower tip department of lug is equipped with the vertical groove of intercommunication water catch bowl, still be equipped with the perpendicular to vertical groove in the lug and with the horizontal groove that vertical groove is linked together, be equipped with first installation piece through the third spring in the horizontal groove, the one end of first installation piece stretches out the lug and sets up towards the distribution intracavity, the extension end of first installation piece is equipped with the direction inclined plane, the middle part department of first installation piece is equipped with logical groove, be equipped with first inclined plane on the lateral wall of logical groove, be equipped with the second installation piece that runs through groove and upper end are connected on the piston piece in the vertical groove, be equipped with the recess on the second installation piece, be equipped with in the recess with first inclined plane matched with second inclined plane, the fire extinguishing plate moves up and is used for pressing the first installation piece of third inclined plane drive and withdraw in the horizontal groove, drive first inclined plane extrusion second inclined plane drives the second installation piece and move down, realizes opening of runner, be equipped with the fourth spring that is used for driving the second installation piece to move up and realizes closed runner in the vertical groove.
Preferably, the upper end surface of the water storage tank is provided with a filtering hole for rainwater to enter the water storage tank.
Preferably, a water storage cavity is arranged in the water storage tank, and the bottom wall of the water storage cavity is obliquely arranged.
In summary, the invention has the following advantages;
1. according to the invention, through the arrangement of the overcurrent protection mechanism, the overcurrent protection mechanism can monitor the power distribution circuit integrated in the power distribution cabinet, so that the power failure protection can be obtained when the current in the power distribution circuit is overlarge. Through the setting of fire extinguishing mechanism for when causing the switch board to fire because of the distribution circuit overflows, fire extinguishing mechanism can put out a fire the processing, makes the switch board safer.
2. According to the invention, when a fire disaster blows the traction rope in the power distribution cabinet, the first spring drives the lifting plate to move upwards to drive the puncture needle to puncture the sealing film, so that the dry fire extinguishing powder in the accommodating cavity falls down to extinguish the fire, and meanwhile, the second spring pushes the side plate to move upwards to enable the air holes and the through holes to be misplaced, so that oxygen cannot enter the power distribution cavity, and the power distribution cavity is preferably extinguished.
3. According to the invention, when the second spring pushes the fire extinguishing plate to move upwards, the first installation block can be driven to retract into the horizontal groove, and then the second installation block is driven to move downwards in the vertical groove, so that the piston block moves downwards to open the flow passage, and the leaching water in the water storage tank enters the cooling cavity, so that the side door is leached and cooled, and the side door is opened to overhaul the cabinet body immediately after fire extinguishment is realized.
The invention also provides an overcurrent power-off protection method of the power distribution cabinet with overcurrent power-off protection, which adopts the structure and comprises the following steps:
s1, when the current in a power distribution loop is overlarge, the overcurrent protector controls the power failure of the power distribution loop, so that the overcurrent protection of the power distribution loop is realized;
s2, when the overcurrent protector controls the power distribution loop to be powered off, the controller controls the buzzer to send out a warning;
s3, when the power distribution loop is excessively high in current to generate a fire disaster, the traction rope is blown, the first spring and the second spring are reset to drive the puncture needle to puncture the sealing film, so that the dry fire extinguishing powder falls down to extinguish the fire, and meanwhile, the side plates move upwards to enable the air holes and the through holes to be misplaced, so that the sealing of the power distribution cavity is realized, and the fire extinguishing effect is better;
s4, the fire extinguishing plate moves upwards to drive the first installation block to retract into the horizontal groove to drive the piston block to move downwards, so that the opening of the flow channel is realized, spray water in the water storage tank flows into the cooling cavity, the side door is eluted and cooled, and the side door is opened immediately after fire extinguishment.
Drawings
Fig. 1 is a schematic structural view of a power distribution cabinet in the present invention.
Fig. 2 is a schematic cross-sectional view of a power distribution cabinet of the present invention.
Fig. 3 is an enlarged view of fig. 2 at a in accordance with the present invention.
Fig. 4 is an enlarged view of fig. 2B in accordance with the present invention.
Fig. 5 is another schematic cross-sectional view of the power distribution cabinet of the present invention.
Fig. 6 is an enlarged view of fig. 5 at C in accordance with the present invention.
Fig. 7 is a schematic view of the structure of the fire extinguishing plate of the present invention.
Reference numerals illustrate:
100. a cabinet body; 101. ventilation holes; 110. a side door; 111. a drainage channel; 120. a water storage tank; 200. a power distribution cavity; 210. a fire extinguishing plate; 211. a receiving chamber; 212. a side plate; 213. a through hole; 220. a traction rope; 231. a water storage cavity; 300. a sealing film; 311. a mounting table portion; 320. a mounting frame; 321. a mounting plate section; 322. a first convex plate; 323. a chute; 324. a first mounting bar; 325. a first limiting member; 331. a lifting plate; 332. a puncture needle; 340. a first spring; 411. a second convex plate; 420. a second mounting bar; 421. a second limiting piece; 430. a second spring; 510. a bump; 511. a water collection tank; 512. a vertical slot; 513. a horizontal slot; 521. a cooling cavity; 530. a water guide block; 531. a flow passage; 540. a piston block; 550. a third spring; 560. a first mounting block; 561. a through groove; 562. a first inclined surface; 563. a guide slope; 570. a second mounting block; 571. a groove; 572. a second inclined surface; 580. a fourth spring; 700. reinforcing plate.
Detailed Description
For a further understanding of the present invention, the present invention will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present invention and are not intended to be limiting.
The present invention is described in further detail below with reference to fig. 1-7.
The embodiment of the invention discloses a power distribution cabinet with overcurrent and outage protection and a power outage protection method thereof.
Referring to fig. 1 and 2, a power distribution cabinet with overcurrent and outage protection in this embodiment includes a cabinet body 100, a power distribution cavity 200 is provided in the cabinet body 100, an openable side door 110 is provided at an opening of the power distribution cavity 200, and an overcurrent protection mechanism for performing overcurrent protection on a power distribution circuit and a fire extinguishing mechanism for extinguishing the power distribution cavity 200 are provided in the power distribution cavity 200.
In this embodiment, the power distribution cavity 200 is used for installing electrical components for controlling multiple working devices, and is integrated with a power distribution circuit for controlling the electrical components to work so as to realize centralized control of the multiple working devices, and the power distribution cavity 200 can be opened and closed by the opening and closing arrangement of the side door 110, so that the electrical components in the power distribution cavity can work conveniently;
wherein, through the setting of overcurrent protection mechanism for overcurrent protection mechanism can monitor the distribution loop of integrating in the switch board, makes can obtain the power-off protection when the electric current in the distribution loop is too big, wherein, through the setting of fire extinguishing mechanism, when making to cause the switch board to fire because of the distribution loop overcurrent, fire extinguishing mechanism can put out a fire and handle, makes the switch board safer.
In this embodiment, the overcurrent protection mechanism is connected in the distribution loop, is used for monitoring whether the electric current in the distribution loop is overloaded, and can make the distribution loop break when electric current is overloaded, makes the distribution loop obtain the protection, and it includes controller, overcurrent protector and bee calling organ, overcurrent protector is connected in the distribution loop, the controller is connected with the electricity between the overcurrent protector, and it all sets up in distribution cavity 200, bee calling organ is installed outside side door 110, and it is connected with the controller electricity, and the controller can control the bee calling organ to send the alarm when the overcurrent protector is to the distribution loop outage, and the maintenance personnel of being convenient for can learn in time and take measures, reduces maintenance cycle.
In this embodiment, the controller may be a single-chip microcomputer, and the overcurrent protector and the buzzer may be existing, which is not limited in particular.
Referring to fig. 3, in this embodiment, the fire extinguishing mechanism includes a fire extinguishing plate 210 disposed above the power distribution cavity 200, a containing cavity 211 with a downward opening is disposed in the fire extinguishing plate 210, a sealing film 300 is installed at the opening of the containing cavity 211, and fire extinguishing dry powder is disposed in the containing cavity 211; a piercing assembly for piercing the sealing membrane 300 is provided at the lower portion of the fire extinguishing plate 210.
In practical use, the fire extinguishing plate 210 is externally provided with a feeding tube (not shown in the figure) communicated with the accommodating cavity 211, and the fire extinguishing dry powder is pressurized and injected into the accommodating cavity 211 through the feeding tube so as to realize the addition of the fire extinguishing dry powder, and meanwhile, the feeding tube is provided with a one-way valve so as to realize the closing of the feeding tube;
by arranging the puncture assembly and the sealing film 300, when a fire disaster occurs in the distribution cavity 200, the puncture assembly is used for puncturing the sealing film 300, so that the fire extinguishing dry powder in the containing cavity 211 falls from the upper part of the distribution cavity 200, and the fire extinguishing position in the distribution cavity 200 is quickly extinguished.
In this embodiment, two opposite sides of the fire extinguishing plate 210 are provided with side plates 212 that slide and are tightly attached to the side walls corresponding to the distribution cavity 200, the opening of the accommodating cavity 211 extends inwards to form a mounting table portion 311, the sealing film 300 is mounted on the mounting table portion 311 through a mounting frame 320, two sides of the mounting frame 320 are bent to form mounting plate portions 321 that are matched with the corresponding side plates 212, and the mounting plate portions 321 are mounted on the corresponding side plates 212 through bolts;
the puncture assembly comprises a lifting plate 331 arranged between the mounting plate 321 in a lifting manner, a puncture needle 332 is arranged on the lifting plate 331, and the lifting plate 331 is used for driving the puncture needle 332 to puncture the sealing membrane 300.
By arranging the mounting table portion 311, the mounting frame 320 and the mounting plate portion 321 in the present embodiment, the mounting plate portion 321 is attached to the corresponding side plate 212 in actual use, which can preferably realize the fixation of the mounting frame 320 by bolts, so that the mounting frame 320 can press the sealing film 300 to be pressed against the mounting table portion 311, thereby preferably realizing the mounting of the sealing film 300 at the opening of the accommodating cavity 211;
referring to fig. 7, in this embodiment, a plurality of reinforcing plates 700 are disposed in the mounting frame 320 at intervals, and the sealing film 300 can be preferably supported by the reinforcing plates 700, so that the dry fire extinguishing powder can be encapsulated in the accommodating cavity 211;
through the arrangement of the lifting plate 331 and the puncture needle 332, the lifting plate 331 moves upwards between the mounting plate parts 321 to drive the puncture needle 332 to move upwards to puncture the sealing film 300, and because the fire extinguishing dry powder is filled into the accommodating cavity 211 in a pressurizing injection mode, the pressure in the accommodating cavity 211 is increased, when the puncture needle 332 punctures the sealing film 300, the pressure in the puncture needle 332 can quickly burst the sealing film 300, so that the fire extinguishing dry powder in the accommodating cavity 211 can be quickly sprayed, and the large-area coverage of the distribution cavity 200 can be performed, so that the fire extinguishing effect of the fire extinguishing dry powder is improved.
Referring to fig. 3, in this embodiment, a first protruding plate 322 is formed by protruding inward from a lower end portion of the mounting plate 321, a sliding groove 323 is formed along a lifting direction of the lifting plate 331 on a side surface opposite to the mounting plate 321, a sliding block extending into the corresponding sliding groove 323 to slide is formed at an end portion of the lifting plate 331, a first mounting rod 324 penetrating through the corresponding first protruding plate 322 is formed on a lower plate surface of the lifting plate 331, a first spring 340 for pushing the lifting plate 331 to move upward is sleeved on the first mounting rod 324, a first limiting member 325 is formed at a lower end portion of the first mounting rod 324, a traction rope 220 connected with a lower end of the corresponding first mounting rod 324 is mounted on a bottom wall of the accommodating cavity 211, and the traction rope 220 is used for pulling the first mounting rod 324 to keep the first spring 340 in a compressed state.
Through the arrangement of the sliding groove 323 and the sliding block in the embodiment, the sliding block is positioned in the corresponding sliding groove 323 to slide, so that the lifting plate 331 is limited and can only lift between the mounting plate parts 321; the first mounting rod 324 penetrates through the corresponding first convex plate 322 through the arrangement of the first convex plate 322, the first mounting rod 324, the first spring 340 and the first limiting piece 325, and the first mounting rod 324 is limited by the first limiting piece 325, so that the lifting plate 331 can be mounted between the mounting plate 321 preferably, and the lifting plate 331 can be driven to move upwards by the first spring 340 to realize upward movement of the puncture needle 332, so that the puncture assembly punctures the sealing membrane 300;
through the arrangement of the hauling rope 220, the lifting plate 331 is at the lowest position under the hauling action of the hauling rope 220, meanwhile, the first spring 340 is in a compressed state, when the fire breaks out the hauling rope 220 in the power distribution cavity 200, the lifting plate 331 moves upwards rapidly under the action of the compressed first spring 340, and the sealing film 300 is punctured, so that the fire extinguishing dry powder in the accommodating cavity 211 falls down, and the fire extinguishing of the power distribution cavity 200 is realized;
in practical use, the first limiting member 325 may be a first nut, and the lifting plate 331 is preferably mounted by screwing the first nut onto the first mounting rod 324.
Referring to fig. 4, in this embodiment, ventilation holes 101 are oppositely arranged on opposite side walls of the cabinet body 100, through holes 213 are formed in the side plates 212 corresponding to the ventilation holes 101, the lower ends of the side plates 212 are bent inwards to form second convex plates 411, second mounting rods 420 penetrating through the corresponding second convex plates 411 are arranged on the bottom walls of the distribution cavities 200, second springs 430 for pushing the side plates 212 to move upwards to achieve dislocation of the ventilation holes 101 and the through holes 213 are sleeved on the second mounting rods 420, second limiting members 421 are mounted at the upper ends of the second mounting rods 420, the lower ends of the traction ropes 220 are connected to the upper ends of the second mounting rods 420, and the traction ropes 220 are used for pulling the side plates 212 to move downwards to achieve correspondence of the ventilation holes 101 and the through holes 213.
Through the structure in this embodiment, when the lower end of the hauling rope 220 is connected to the second installation pole 420, the hauling rope 220 pulls the lifting plate 331 to be at the lowest end and pulls the side plate 212 to drive the fire extinguishing plate 210 to move downwards to be at the lowest position, and simultaneously, the second spring 430 is also in a compressed state, at this time, the air holes 101 and the positions of the through holes 213 are correspondingly arranged, even if the distribution cavity 200 is communicated with the outside of the cabinet body 100, air in the distribution cavity 200 can flow, so as to facilitate heat dissipation, when a fire disaster in the distribution cavity 200 blows the hauling rope 220, the side plate 212 moves upwards under the action of the compressed second spring 430 to drive the fire extinguishing plate 210 to move upwards, so that the air holes 101 and the through holes 213 can be arranged in a staggered manner, and because the side plate 212 and the side wall of the distribution cavity 200 are in a sliding airtight fit, the distribution cavity 200 is not communicated with the outside of the cabinet body 100, even if the distribution cavity 200 is sealed, external oxygen can not enter, so as to achieve the effect of rapidly extinguishing the fire, and the fire extinguishing effect of the fire extinguishing mechanism is better.
Referring to fig. 5, in this embodiment, a leaching assembly for cooling the side door 110 is disposed at the upper end of the cabinet body 100, the leaching assembly includes a water storage tank 120, a protrusion 510 extending into the power distribution cavity 200 and attached to the side door 110 is disposed at the lower end of the water storage tank 120, a water collection tank 511 communicating with the water storage tank 120 is disposed on the protrusion 510, a cooling cavity 521 is disposed in the side door 110, a water guide block 530 extending into the cooling cavity 521 is disposed on an outer side surface of the protrusion 510, a flow channel 531 communicating with the water collection tank 511 is disposed in the water guide block 530, a liftable piston block 540 is disposed in the water collection tank 511, and the piston block 540 is lifted to open and close the flow channel 531.
In this embodiment, by setting the leaching assembly, when the fire extinguishing mechanism in the power distribution cavity 200 extinguishes a fire, the leaching assembly can carry out leaching cooling on the side door 110, so as to avoid the overhigh temperature of the side door 110 caused by fire disaster in the power distribution cavity 200, and make maintenance personnel unable to timely open the side door 110 for maintenance;
wherein, the water storage tank 120 is internally provided with a water storage cavity 231 for storing spray water, and through the arrangement of the convex blocks 510, the water collection tank 511, the water guide block 530, the flow channel 531 and the piston block 540, the spray water in the water storage cavity 231 can flow into the cooling cavity 521 from the water collection tank 511 through the flow channel 531, and the spray water entering the cooling cavity 521 descends due to gravity, so that the side door 110 is cooled;
the side of the side door 110 facing the protruding block 510 is provided with a notch for the water guide block 530 to extend into the cooling cavity 521, and the outer side surface of the side door 110 and the lower end of the side door 110 are provided with a drainage groove 111, preferably for discharging spray water entering the cooling cavity 521;
the piston block 540 is lifted in the water collecting tank 511 by lifting the piston block 540, so that the opening of the flow channel 531 can be opened and closed, and the leaching assembly is convenient to control to carry out leaching cooling on the side door 110.
In this embodiment, the lower end of the protruding block 510 is provided with a vertical slot 512 communicating with the water collecting slot 511, the protruding block 510 is also provided with a horizontal slot 513 perpendicular to the vertical slot 512 and communicating with the vertical slot 512, the horizontal slot 513 is provided with a first installation block 560 through a third spring 550, one end of the first installation block 560 extends out of the protruding block 510 and is arranged in the distribution cavity 200, the extending end of the first installation block 560 is provided with a guiding inclined plane 563, the middle part of the first installation block 560 is provided with a through slot 561, the side wall of the through slot 561 is provided with a first inclined plane 562, the vertical slot 512 is internally provided with a second installation block 570 penetrating through the slot 561 and having an upper end connected with the piston block 540, the second installation block 570 is provided with a groove 571, the groove 571 is internally provided with a second inclined plane 572 matched with the first inclined plane 562, the fire extinguishing plate 210 moves upwards and is used for driving the first installation block 560 to retract into the horizontal slot 513, the first inclined plane 563 is driven to drive the first inclined plane 572 to drive the second inclined plane 572 to move downwards, and the second installation block 570 is driven to move upwards, and the fourth installation block 531 is driven to move upwards, and the fourth installation block is provided with a spring 580 is driven to move upwards, and the second installation block 531 is driven to move upwards and a channel 531 to realize the opening of the second installation block channel to be opened.
In the embodiment, during actual use, the vertical groove 512 and the horizontal groove 513 are all arranged through the protruding block 510, wherein the width of the horizontal groove 513 is larger than that of the vertical groove 512, the opening at the lower end of the vertical groove 512 is provided with a first plug, the first plug is used for preferably pushing the second installation block 570 to drive the piston block 540 to move upwards by using the fourth spring 580, the closing of the flow channel 531 is realized, the opening of the horizontal groove 513 facing the side door 110 is provided with a second plug, and the second plug is used for preferably pushing the first installation block 560 by using the third spring 550, so that one end of the first installation block 560 extends out of the protruding block 510;
through the arrangement of the through groove 561, the second mounting block 570 can pass through the through groove 561 and be arranged in the vertical groove 512, and in a natural state, one end of the first mounting block 560 can extend out of the protruding block 510, and meanwhile, the second mounting block 570 can drive the piston block 540 to seal the flow channel 531, at this time, the second mounting block 570 passes through the through groove 561, so that the first mounting block 560 can be limited, and the first mounting block 560 is prevented from being separated from the horizontal groove 513;
in this embodiment, through the arrangement of the guiding inclined plane 563, the first inclined plane 562, the groove 571 and the second inclined plane 572, when in actual use, the fire extinguishing plate 210 moves upwards to squeeze the guiding inclined plane 563, push the first installation block 560 to retract into the horizontal groove 513, in this process, the first inclined plane 562 squeezes the second inclined plane 572 to drive the second installation block 570 to move downwards in the vertical groove 512, and then drive the piston block 540 to move downwards to open the flow channel 531, so that the spraying water in the water storage tank 120 can enter the cooling cavity 521 to cool the side door 110, namely, when the fire extinguishing mechanism extinguishes the fire in the distribution cavity 200, the spraying assembly can be automatically driven to spray and cool the side door 110 sealed on the cabinet body 100.
In this embodiment, a filtering hole for rainwater to enter the water storage tank 120 is provided on the upper end surface of the water storage tank 120.
Through the structure in this embodiment, when the switch board in this embodiment is applied to the open air, the rainwater can be collected in entering water storage tank 120 by the filtration pore to make the drip washing subassembly can utilize the rainwater to carry out drip washing cooling to side door 110, make its more energy-concerving and environment-protective.
Wherein, in order to make the rinsing water in the water storage tank 120 flow into the water collection tank 511, the bottom wall of the water storage cavity 231 is inclined, and the water in the water storage cavity 231 can be guided into the water collection tank 511 by using the inclined bottom wall, so that the rinsing component is convenient for rinsing the side door 110.
The embodiment also provides an overcurrent power-off protection method of the power distribution cabinet with overcurrent power-off protection, which adopts the structure and comprises the following steps:
s1, when the current in a power distribution loop is overlarge, the overcurrent protector controls the power failure of the power distribution loop, so that the overcurrent protection of the power distribution loop is realized;
s2, when the overcurrent protector controls the power distribution loop to be powered off, the controller controls the buzzer to give out warning, so that maintenance personnel can know timely to take measures, and the maintenance period is reduced;
s3, when the power distribution loop current is too large to generate a fire disaster, the traction rope 220 is blown, the first spring 340 and the second spring 430 are reset, the puncture needle 332 is driven to puncture the sealing film 300, the fire extinguishing dry powder falls down to extinguish the fire, meanwhile, the side plate 212 is pushed to move upwards, the ventilation holes 101 and the through holes 213 are misplaced, the sealing of the power distribution cavity 200 is realized, and the fire extinguishing effect is better;
s4, the fire extinguishing plate 210 moves upwards to drive the first installation block 560 to retract into the flat groove 513 to drive the piston block 540 to move downwards, so that the flow channel 531 is opened, spray water in the water storage tank 120 flows into the cooling cavity 521, the side door 110 is cooled in a leaching mode, and the side door 110 is opened immediately after fire extinguishment.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the invention.
Claims (4)
1. The utility model provides a switch board of overcurrent outage protection which characterized in that: the intelligent power distribution cabinet comprises a cabinet body (100), wherein a power distribution cavity (200) is arranged in the cabinet body (100), an openable side door (110) is arranged at an opening of the power distribution cavity (200), and an overcurrent protection mechanism for carrying out overcurrent protection on a power distribution loop and a fire extinguishing mechanism for carrying out fire extinguishment on the power distribution cavity (200) are arranged in the power distribution cavity (200); the fire extinguishing mechanism comprises a fire extinguishing plate (210) arranged above the power distribution cavity (200), a containing cavity (211) with a downward opening is arranged in the fire extinguishing plate (210), a sealing film (300) is arranged at the opening of the containing cavity (211), and fire extinguishing dry powder is arranged in the containing cavity (211); a piercing assembly for piercing the sealing film (300) is arranged below the fire extinguishing plate (210);
the overcurrent protection mechanism comprises a controller, an overcurrent protector and a buzzer, wherein the overcurrent protector is connected to the power distribution loop and used for detecting whether current is overloaded or not, the controller is electrically connected with the overcurrent protector, the buzzer is electrically connected with the controller, and the controller is used for controlling the buzzer to give an alarm;
the fire extinguishing plate is characterized in that two opposite sides of the fire extinguishing plate (210) are provided with side plates (212) which are in sliding airtight fit with side walls corresponding to the power distribution cavity (200), an opening of the accommodating cavity (211) inwards extends to form an installation table part (311), the sealing film (300) is installed at the installation table part (311) through an installation frame (320), two sides of the installation frame (320) are bent to form installation plate parts (321) matched with the corresponding side plates (212), and the installation plate parts (321) are installed on the corresponding side plates (212) through bolts;
the puncture assembly comprises a lifting plate (331) which is arranged between the mounting plate parts (321) in a lifting manner, a puncture needle (332) is arranged on the lifting plate (331), and the lifting plate (331) is used for driving the puncture needle (332) to puncture the sealing film (300);
the utility model discloses a lifting device for a vehicle, including mounting panel portion (321), first flange (322) are formed to inwards protrusion in lower tip department of mounting panel portion (321), the lifting direction along lifter plate (331) on the side that mounting panel portion (321) is relative is equipped with spout (323), the tip department of lifter plate (331) is equipped with and stretches into the gliding slider in corresponding spout (323), be equipped with on the lower face of lifter plate (331) and run through first installation pole (324) that correspond first flange (322) setting, the cover is equipped with on first installation pole (324) and is used for promoting first spring (340) that lifter plate (331) moved up, the lower tip department of first installation pole (324) is equipped with first locating part (325), install haulage rope (220) that are connected with corresponding first installation pole (324) lower extreme on the diapire of holding chamber (211), haulage rope (220) are used for pulling first installation pole (324) and keep first spring (340) in compressed state
The novel power distribution cabinet is characterized in that ventilation holes (101) are oppositely formed in the opposite side walls of the cabinet body (100), through holes (213) are formed in the side plates (212) corresponding to the ventilation holes (101), the lower ends of the side plates (212) are inwards bent to form second convex plates (411), second mounting rods (420) penetrating through the corresponding second convex plates (411) are arranged on the bottom wall of the power distribution cavity (200), second springs (430) used for pushing the side plates (212) to move upwards to enable the ventilation holes (101) and the through holes (213) to be staggered are sleeved on the second mounting rods (420), second limiting pieces (421) are mounted at the upper ends of the second mounting rods (420), and the lower ends of the traction ropes (220) are connected to the upper ends of the second mounting rods (420), and the traction ropes (220) are used for pulling the side plates (212) to move downwards to enable the ventilation holes (101) to correspond to the through holes (213);
the washing assembly for cooling the side door (110) is arranged at the upper end part of the cabinet body (100), the washing assembly comprises a water storage tank (120), a protruding block (510) which extends into the power distribution cavity (200) and is attached to the side door (110) is arranged at the lower end part of the water storage tank (120), a water collecting tank (511) communicated with the water storage tank (120) is arranged on the protruding block (510), a cooling cavity (521) is arranged in the side door (110), a water guide block (530) which extends into the cooling cavity (521) is arranged on the outer side surface of the protruding block (510), a flow channel (531) communicated with the water collecting tank (511) is arranged in the water guide block (530), a liftable piston block (540) is arranged in the water collecting tank (511), and the piston block (540) is lifted and used for realizing opening and closing of the flow channel (531);
the lower end part of the protruding block (510) is provided with a vertical groove (512) communicated with the water collecting groove (511), the protruding block (510) is internally provided with a horizontal groove (513) which is perpendicular to the vertical groove (512) and is communicated with the vertical groove (512), the horizontal groove (513) is internally provided with a first installation block (560) through a third spring (550), one end of the first installation block (560) extends out of the protruding block (510) towards the power distribution cavity (200) and is provided with a guide inclined plane (563), the middle part of the first installation block (560) is provided with a through groove (561), the side wall of the through groove (561) is provided with a first inclined plane (562), the vertical groove (512) is internally provided with a second installation block (570) which penetrates through the groove (561) and is connected with the piston block (540), the second installation block (570) is internally provided with a groove (571), the groove (571) is internally provided with a second inclined plane (563) which is matched with the first inclined plane (560), the second inclined plane (563) is driven to be pushed by the second inclined plane (572) to be pushed down by the first inclined plane (572) to be pushed down, a fourth spring (580) for driving the second mounting block (570) to move upwards to close the flow channel (531) is arranged in the vertical groove (512).
2. The power distribution cabinet for overcurrent outage protection according to claim 1, wherein: the upper end face of the water storage tank (120) is provided with a filtering hole for rainwater to enter the water storage tank (120).
3. The power distribution cabinet for overcurrent outage protection according to claim 2, wherein: a water storage cavity (231) is arranged in the water storage tank (120), and the bottom wall of the water storage cavity (231) is obliquely arranged.
4. An overcurrent power-off protection method for a power distribution cabinet with overcurrent power-off protection according to any one of claims 1 to 3, characterized by:
s1, when the current in a power distribution loop is overlarge, the overcurrent protector controls the power failure of the power distribution loop, so that the overcurrent protection of the power distribution loop is realized;
s2, when the overcurrent protector controls the power distribution loop to be powered off, the controller controls the buzzer to send out a warning;
s3, when the power distribution loop current is too large to generate a fire disaster, the traction rope (220) is blown, the first spring (340) and the second spring (430) are reset, the puncture needle (332) is driven to puncture the sealing film (300) to enable the fire extinguishing dry powder to fall down for extinguishing fire, and meanwhile the side plate (212) is pushed to move upwards to enable the ventilation holes (101) and the through holes (213) to be misplaced, so that the power distribution cavity (200) is sealed, and the fire extinguishing effect is better;
s4, the fire extinguishing plate (210) moves upwards to drive the first installation block (560) to retract into the horizontal groove (513) to drive the piston block (540) to move downwards, so that the flow channel (531) is opened, spray water in the water storage tank (120) flows into the cooling cavity (521), the side door (110) is cooled in a leaching mode, and the side door (110) is opened immediately after fire extinguishment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310657162.1A CN116581658B (en) | 2023-06-05 | 2023-06-05 | Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310657162.1A CN116581658B (en) | 2023-06-05 | 2023-06-05 | Power distribution cabinet with overcurrent and outage protection function and outage protection method thereof |
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| CN116581658A CN116581658A (en) | 2023-08-11 |
| CN116581658B true CN116581658B (en) | 2023-10-24 |
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