CN114204431B - Intelligent combined AC low-voltage power distribution cabinet - Google Patents
Intelligent combined AC low-voltage power distribution cabinet Download PDFInfo
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- CN114204431B CN114204431B CN202111507655.4A CN202111507655A CN114204431B CN 114204431 B CN114204431 B CN 114204431B CN 202111507655 A CN202111507655 A CN 202111507655A CN 114204431 B CN114204431 B CN 114204431B
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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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- 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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- 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
- H02B1/32—Mounting of devices therein
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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Abstract
The invention discloses an intelligent combined type alternating current low-voltage power distribution cabinet, which relates to the technical field of power distribution cabinets and comprises a power distribution cabinet body, wherein a sealing plate assembly is installed on one side of the power distribution cabinet body, a grid part is rotatably installed on one side of the power distribution cabinet body, the sealing plate assembly performs opening and closing adjustment on the grid part through telescopic sliding, a storage part is installed on one side of the power distribution cabinet body, a fire extinguishing agent is arranged inside the storage part, one side of the storage part is in communication connection with an external controller, and a spraying adjusting assembly is installed inside the power distribution cabinet body. Above-mentioned scheme is heated one side of inflation to the electrofluid through mercury and is carried out the current perception, because mercury receives expend with heat and contract with cold's influence, produces corresponding volume expansion, and the current inductor carries out the perception and carries out the current numerical value contrast that the circular telegram produced originally to the electrofluid with current perception numerical value signal communication to the controller to the current transmission piece, carries out the same of accurate judgement and carries out accurate monitoring at the initial stage that fires through the perception of current change.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an intelligent combined type alternating-current low-voltage power distribution cabinet.
Background
Alternating current low voltage power distribution cabinet has smallly, simple installation, and technical performance is special, the rigidity, the configuration function is unique, do not receive the place restriction, it is more general to use, the operation is reliable and stable, space utilization is high, take up an area of less and have the characteristics of environmental protection effect, alternating current low voltage power distribution cabinet is distribution system's final stage equipment, be motor control center's general name, be the electric energy with a certain circuit of last one-level distribution equipment distributes to load nearby, play the effect of regulating and control a plurality of circuits, can be provided with more switch board in the switch board. In the long-term use process, a certain switch board in the switch board room may catch fire.
Through retrieval chinese patent CN111773587A discloses a switch board extinguishing device, this patent discloses can push away this switch board extinguishing device to before the switch board on fire through setting up the removal seat, and make uncovered alignment switch board on fire of shielded box, through pull rod structure and sucker structure to switch board to shielded box slope, when the switch board on fire inclines to certain angle, switch board on fire just can pour into the cavity of shielded box by the uncovered of shielded box in, thereby make switch board on fire thoroughly keep apart with switch board on fire around under the effect of shielded box, rethread fire extinguishing agent injection mechanism spouts the fire extinguishing agent in to the cavity of shielded box, just can put out a fire to the switch board on fire, avoid stretching of the condition of a fire, reduce the conflagration loss to the at utmost.
However in the use, because the in-process of starting a fire, there is oxygen in the switch board to carry out combustion-supporting effect to the point of starting a fire, when opening the switch board and put out a fire the operation, a large amount of oxygen gushes into in the switch board, causes further produces combustion-supporting phenomenon to the point of starting a fire, owing to need be equipped with special fire extinguishing systems at the in-process of putting out a fire and put out a fire the operation, can't discover fast and judge at the initial stage that the switch board was started a fire, delay best time of putting out a fire, intelligent degree is not high.
Therefore, the application provides an intelligence combination formula alternating current low voltage power distribution cabinet satisfies the demand.
Disclosure of Invention
An object of this application is to provide an intelligence combination formula alternating current low voltage power distribution cabinet to solve the problem that the above-mentioned background proposed.
In order to achieve the purpose, the invention provides the following technical scheme:
an intelligent combined type alternating-current low-voltage power distribution cabinet comprises a distribution cabinet body, wherein a sealing plate assembly is installed on one side of the distribution cabinet body, a grid part is rotatably installed on one side of the distribution cabinet body, the sealing plate assembly is used for adjusting the grid part in an opening and closing mode through telescopic sliding, a storage part is installed on one side of the distribution cabinet body, a fire extinguishing agent is arranged inside the storage part, one side of the storage part is in communication connection with an external controller, a spraying adjusting assembly is installed inside the distribution cabinet body, one side of the spraying adjusting assembly is communicated with one side of the storage part, and multi-angle spraying fire extinguishing is carried out on the inside of the distribution cabinet body through the spraying adjusting assembly;
a fixed cavity is arranged in the power distribution cabinet body, a liquid storage cavity is arranged in the fixed cavity, an electrofluid is arranged in the liquid storage cavity, mercury is arranged in the liquid storage cavity, an electric block is arranged at the bottom of an inner cavity of the liquid storage cavity, and is electrically connected with external current, the mercury expands to one side of the electrofluid by heating to sense the current, the fixed cavity is internally provided with a current transmission piece which is electrically connected with the electrofluid, an induction cavity is arranged in the fixed cavity, a current inductor is arranged in the induction cavity, the current inductor is electrically connected with the current transmission piece, a controller is arranged in the fixed cavity, the current sensor senses the current of the current transmission piece and communicates a current sensing numerical signal to the controller;
controller and shrouding subassembly communication connection, spray the top of adjusting part and install and monitor the subassembly, it is right to monitor the subassembly the inside environment of the distribution cabinet body is surveyd, controller and monitoring subassembly and outside main control unit communication connection.
Preferably, the shrouding subassembly includes extensible member, mounting bracket and receiver, receiver and controller communication connection, one side fixed mounting of mounting bracket in one side of the distribution cabinet body, extensible member fixed mounting in one side of mounting bracket, the receiver with extensible member communication connection.
Preferably, the sliding rod is fixedly installed at the sliding end of the telescopic piece, the sliding groove matched with the sliding rod is formed in the surface of the inner wall of the distribution cabinet body, the butt sleeve is uniformly sleeved on the surface of the sliding rod, one side of the butt sleeve is of a convex structure, the guide rod is fixedly installed inside the convex structure on one side of the butt sleeve, and the number of the butt sleeve is changed along with the number change of the grating pieces.
Preferably, the both ends of grid spare are fixed with the rotation round pin axle respectively, the rotation round pin axle of grid spare one side rotates and installs in the inner wall of the distribution cabinet body, the quantity of the rotation round pin axle of grid spare opposite side is two, one side of rotating the round pin axle is articulated with the inner wall of the distribution cabinet body, another the rotation round pin axle with the arch of butt cover one side parallels, with the surface that butt cover one side protruding structure parallels the rotation round pin axle sets up with the recess of butt cover one side protruding structure looks adaptation, butt cover one side protruding structure one side with the recess looks butt of the rotation round pin axle surface that butt cover one side protruding structure parallels.
Preferably, a compression conveying part is installed on one side of the storage part, the compression conveying part is of a pumping structure, the input end of the compression conveying part is communicated with the inside of the storage part, the output end of the compression conveying part is connected with one side of the spraying adjusting component through a sealing part, and the sealing part is of a cavity-shaped structure.
Preferably, the spraying adjusting assembly comprises a connecting plate, an arc-shaped plate and an arc-shaped groove, the sealing element penetrates through the power distribution cabinet body and is connected with one side of the connecting plate, the arc-shaped plate is fixed on one side of the connecting plate, the monitoring assembly is fixed on one side of the connecting plate, and the arc-shaped groove is formed in the surface of the arc-shaped plate.
Preferably, the quantity of arc and arc just follows the central line symmetry installation of linking plate, two it has the link to articulate between the arc, the inside slidable mounting of arc has magnetism to inhale the piece, the diameter length of link one side is greater than the diameter length of arc, a side-mounting lock plate of link, the link with inhale and leave the clearance between the piece, movable mounting has the extension spring between piece and the link is inhaled to magnetism.
Preferably, the shower nozzle is installed to one side of lock plate, the hole has been seted up respectively to one side of linking plate and lock plate, linking plate with the hole of lock plate one side is connected through the flexible tube, the hole of linking plate one side with the output of compression delivery member is connected, the hole of lock plate one side with the inside of shower nozzle is linked together, the shower nozzle is reducing column structure, a plurality of spray holes, two have been seted up to one side of shower nozzle the electro-magnet is installed to inside one side of arc wall, electro-magnet and external control ware electric connection, and with one side actuation of magnetic attraction piece.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme, mercury in the liquid storage cavity is heated through temperature increase in the power distribution cabinet body in the initial stage of fire, the mercury expands and contracts when heated, and the current value of the electrofluid of the current released by the mercury rises along liquid level expansion generated in the liquid storage cavity is converted into a communication signal through the current sensor and then transmitted to the controller, the current value of the electrofluid of the current released by the mercury is compared with the current released by the mercury through the module current value preset in the controller so as to achieve accurate judgment of the internal temperature of the power distribution cabinet body, and meanwhile, the current value of the electrofluid of the current released by the mercury is utilized and is higher than the module current value preset in the controller, the controller sends a signal, and the external main controller receives the signal from the controller and controls the monitoring assembly to start, the intelligent fire extinguishing monitoring system comprises a power distribution cabinet body, an external controller, a storage part and an alarm part, wherein the power distribution cabinet body is internally observed and monitored, and the external controller is used for reminding workers of observing, such as a light flashing or buzzing alarm warning part and the like;
2. above-mentioned scheme, when the inside of switch board body produces the ignition, the system ware is respectively to the signal reception end and the outside main control unit send signal in the shrouding subassembly, when the signal reception end in the shrouding subassembly receives the signal that comes from the controller and send, assign the start instruction to the driving piece in the shrouding subassembly, make the output of driving piece close the grid spare on switch board body one side jade wall through flexible slip, stop the entering that prevents oxygen with outside air, it produces combustion-supporting phenomenon to the ignition to block oxygen to gush into the switch board body, can carry out accurate linkage reaction to the ignition, the optimal time of putting out a fire of effective control, the practicality is high.
3. According to the scheme, the plurality of abutting sleeves drive the protruding structures on one sides of the abutting sleeves to move in an equidirectional mode through the sliding of the sliding rods, so that the protruding structures on one sides of the abutting sleeves are enabled to slide in an abutting mode along the inner portions of the grooves on the surfaces of the rotating pin shafts arranged at one ends of the grid parts on one side of the inner wall of the power distribution cabinet body, the guide rods on the surfaces of the protruding structures on one sides of the abutting sleeves are used for guiding the sliding directions of the sliding rods, further the rotating pin shafts arranged at the other ends of the grid parts are driven to be hinged along one side of the inner wall of the power distribution cabinet body, at the moment, the grid parts rotate, the adjacent grid parts are in a closed structure to block air inside the power distribution cabinet body and outside air, so that air inside the power distribution cabinet body is isolated and the circulation and the oxygen entering are reduced, the fire potential increase caused by combustion supporting of flames through the oxygen or air circulation is effectively prevented, and further loss is caused to the electric elements inside the power distribution cabinet body, this scheme simple structure, the practicality is high.
4. In the scheme, when the magnetic part slides along the direction of the electromagnet in the two arc-shaped grooves, the connecting frame positioned on one side of the two arc-shaped grooves is hinged, two sides of the connecting frame are fixedly sleeved on the surfaces of two sides of the magnetic part, when the magnetic part slides along the two arc-shaped grooves, one side of the connecting frame is driven to move in the same direction along the sliding direction of the magnetic part, so that the locking plate and the sprayer positioned on one side of the connecting frame are driven to move, because the position of one side of the connecting frame is changed, one side of the tension spring is fixed on the surface of the inner side of the connecting frame, the other side of the tension spring is fixedly sleeved on the surface of the magnetic part, the tension spring is driven to take the inner side of the connecting frame as the original point by the change of the position of the magnetic part, the tension spring is in an arc-shaped stretching shape along with the movement of the magnetic part, the stability of the connecting frame in the hinging process is increased when the connecting frame is limited, the electromagnet positioned in the two arc-shaped grooves is powered off by the external controller through connecting external current, magnetism is inhaled piece, lock plate, extension spring and shower nozzle and is carried out reverse motion among the above-mentioned step, drives the shower nozzle of link one side and returns just, accomplishes spraying of putting out a fire to different angles to the shower nozzle, sprays the fire extinguishing agent to the inside of the distribution cabinet body through the shower nozzle, carries out the homogeneity to the in-process of putting out a fire and sprays the fire extinguishing agent, increases the efficiency of the process of putting out a fire, reduces the damage of flame to electrical component.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the interior of the power distribution cabinet body of the present invention;
FIG. 3 is a schematic view of the mounting structure of the spray adjustment assembly of the present invention;
FIG. 4 is an enlarged view of the structure at A of FIG. 2 according to the present invention;
FIG. 5 is a schematic diagram of the temperature current monitoring configuration of the present invention;
FIG. 6 is a schematic structural view of the closure plate assembly of the present invention;
FIG. 7 is an enlarged view of the structure at B of FIG. 6 according to the present invention;
fig. 8 is a schematic view of the spray conditioning assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a power distribution cabinet body; 2. a seal plate assembly; 3. a grating element; 4. a storage component; 5. a seal member; 6. a spray adjustment assembly; 7. fixing the cavity; 8. a reservoir chamber; 9. a current transmitting member; 10. an induction cavity;
11. a controller; 12. mercury; 13. an electrofluid; 14. a current sensor; 15. a monitoring component;
21. a telescoping member; 22. a mounting frame; 23. a receiver; 24. a slide bar; 25. a butting sleeve; 26. a guide bar; 27. rotating the pin shaft;
41. compressing the conveying member;
61. a connector tile; 62. an arc-shaped plate; 63. an arc-shaped slot; 64. a magnetic member; 65. a lock plate; 66. a tension spring; 67. a spray head; 68. an electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to any one of fig. 1-8, an intelligent combined ac low-voltage power distribution cabinet comprises a distribution cabinet body 1, a sealing plate assembly 2 is installed on one side of the distribution cabinet body 1, a grid member 3 is installed on one side of the distribution cabinet body 1 in a rotating manner, the sealing plate assembly 2 adjusts the grid member 3 in an opening and closing manner through telescopic sliding, so as to isolate the air inside the distribution cabinet body 1 or exchange the air with the outside air, a storage member 4 is installed on one side of the distribution cabinet body 1, a fire extinguishing agent is arranged inside the storage member 4, one side of the storage member 4 is in communication connection with an external controller, wherein the fire extinguishing agent includes but is not limited to oxygen suppressing substances such as carbon dioxide, dry powder, perfluorohexanone, preferably perfluorohexanone, compared with carbon dioxide and dry powder, perfluorohexanone is a clean, colorless, tasteless, and non-conductive fire extinguishing agent, the density is 11 times that of air, and is liquid when stored at normal temperature, the fire extinguishing agent is quickly vaporized after being released, can be used for extinguishing fire by total flooding or local application, can extinguish the fire by instantly generating vaporization pressure when being heated, is provided with a spraying adjusting component 6 inside the power distribution cabinet body 1, is communicated with one side of a storage part 4 by one side of the spraying adjusting component 6, and can perform multi-angle spraying fire extinguishing on the inside of the power distribution cabinet body 1 through the spraying adjusting component 6;
a fixed cavity 7 is arranged in the power distribution cabinet body 1, a liquid storage cavity 8 is arranged in the fixed cavity 7, an electrofluid 13 is arranged in the liquid storage cavity 8, mercury 12 is arranged in the liquid storage cavity 8, an electric block is arranged at the bottom of an inner cavity of the liquid storage cavity 8 and is electrically connected with external current, the mercury 12 expands to one side of the electrofluid 13 when heated to sense current, and due to the influence of thermal expansion and cold contraction, the mercury expands correspondingly to generate volume expansion, and liquid level expansion and rise are generated along the interior of the liquid storage cavity 8 and act on one side of the electrofluid 13 to increase the current amount of the electrofluid 13, wherein the fixed cavity 7 controls the temperature of the fixed cavity through a condensing part, so that the mercury 12 in the liquid storage cavity 8 is prevented from rising under the heat generated by natural electricity in the power distribution cabinet body 1;
it is worth noting that when mercury 12 is subjected to thermal expansion inside the liquid storage cavity 8, talc powder should be added to increase the electrical conductivity of mercury 12, and the temperature certainly affects the operation of the distribution cabinet, and some elements inside the distribution cabinet have temperature use conditions regardless of high temperature or low temperature, and the normal working conditions of the elements are correspondingly regulated, and the upper limit of the ambient air temperature is not more than 40 ℃; the average value of the ambient air temperature of 24 ℃ is not more than 35 ℃, the lower limit of the ambient air temperature is not less than-25 ℃, wherein the electrofluid 13 is an insulator and prevents the current of the mercury 12 from releasing to the outside to generate electric connection, such as mica material;
referring to fig. 2, 4 and 5, a current transmission member 9 is installed inside the fixed cavity 7, the current transmission member 9 is electrically connected with an electrofluid 13, when the mercury 12 expands, the current generated by the electric block inside the liquid storage cavity 8 is mixed with the mercury 12, when the mercury 12 expands and the volume increases, the liquid level rises to the electrofluid 13, and the electric field potential is increased, that is, the current released by the electric block through the mercury 12 is superposed on the original current value of the electrofluid 13; an induction cavity 10 is arranged in the fixed cavity 7, a current inductor 14 is arranged in the induction cavity 10, the current inductor 14 is electrically connected with the current transmission piece 9, a controller 11 is arranged in the fixed cavity 7, the current inductor 14 senses the current of the current transmission piece 9 and communicates a current sensing numerical value signal to the controller 11 to compare the current numerical value generated by the original electrification of the electrofluid 13; the controller 11 is in communication connection with the closing plate assembly 2;
when the original value of the electrofluid 13 is increased, the closing plate assembly 2 closes and adjusts the grid piece 3 through telescopic sliding, external air is blocked, oxygen is prevented from entering, the monitoring assembly 15 is installed at the top of the spraying adjusting assembly 6, the monitoring assembly 15 observes the environment inside the distribution cabinet body 1, the controller 11 and the monitoring assembly 15 are in communication connection with an external main controller, abnormal signals are respectively sent to the closing plate assembly 2 and the external main controller after the comparison current value generated by the controller 11, the external main controller controls the monitoring assembly 15 to start after the closing plate assembly 2 makes a leading response, the inside of the power distribution cabinet body 1 is observed and monitored, the situation is investigated, and the staff is reminded to observe, when a fire point is generated, a worker controls one side of the storage part 4 through an external controller to generate a signal reaction, and the fire extinguishing agent in the storage part 4 is sprayed into the distribution cabinet body 1 through the spraying adjusting component 6 to extinguish fire quickly;
in the scheme, in the using process of the power distribution cabinet, electric sparks are generated when the load of current is overlarge due to the fact that virtual connection or failure of lines occurs, coils coated by rubber or flexible plastics have strong inflammable performance, combustion of flame is supported when oxygen in the cabinet is met, the temperature in the power distribution cabinet body 1 is increased, mercury 12 in the liquid storage cavity 8 is heated, the mercury 12 expands due to heat and contracts due to cold, the liquid level expands along the interior of the liquid storage cavity 8 and rises to the position of an electrofluid 13 when the oxygen in the cabinet meets, the mercury 12 is communicated with the electrofluid 13, an electric block arranged in the liquid storage cavity 8 is in current communication with the electrofluid 13 through the mercury 12 and is electrically connected with external line current, the current coefficient of the electrofluid 13 is increased through the current released by the mercury 12, and the current transmission piece 9 electrically connected with the electrofluid 13 transmits the current of the electrofluid 13, and transmitted to a current sensor 14 electrically connected to the electrofluid 13, the current sensor 14 senses the current from the electrofluid 13, and converts the current sensing value of the electrofluid 13 into a communication signal through the current sensor 14 to the controller 11, and the current value of the electrofluid 13 is compared with the current released through the mercury 12 through a module current value preset in the controller 11;
when the current value of the electrofluid 13 from the current released by the mercury 12 is higher than the module current value preset in the controller 11, the controller 11 respectively sends signals to the signal receiving end in the sealing plate assembly 2 and the external main controller, and when the signal receiving end in the sealing plate assembly 2 receives the signal sent by the controller 11, a starting instruction is issued to the driving piece in the sealing plate assembly 2, so that the output end of the driving piece closes the grating piece 3 on one side wall of the power distribution cabinet body 1 through telescopic sliding, and external air is blocked to prevent oxygen from entering;
at this moment, the external main controller receives a signal from the controller 11, controls the monitoring assembly 15 to start, observes and monitors the inside of the distribution cabinet body 1, and reminds workers to observe through the external controller, for example, warning members such as light flashing or buzzing alarm and the like, when an ignition point is generated in the distribution cabinet body 1, after the workers observe through the monitoring assembly 15, the workers send instruction signals to a receiving end on one side of the storage part 4 through the external controller, the receiving end on one side of the storage part 4 receives signal instructions from the external controller, and the fire extinguishing agent in the storage part 4 is sprayed into the distribution cabinet body 1 through the large spraying adjusting assembly 6 in the distribution cabinet body 1 to quickly extinguish fire;
in summary, in the present scheme, at the initial stage of fire, the mercury 12 in the liquid storage cavity 8 is heated through the temperature increase in the power distribution cabinet body 1, the mercury 12 expands with heat and contracts with cold, and the current value of the electrofluid 13 which expands along the liquid level inside the liquid storage cavity 8 to raise the current released by the mercury 12 is converted into a communication signal through the current sensor 14 to the controller 11, the current value of the electrofluid 13 is compared with the module current value preset inside the controller 11 through the module current value preset inside the controller 11 by the module current value preset inside the controller 11 and the current released by the mercury 12, so as to accurately judge the internal temperature of the power distribution cabinet body 1, and at the same time, when the current value of the electrofluid 13 using the current released by the mercury 12 is higher than the module current value preset inside the controller 11, the controller 11 sends a signal, and the external controller receives the signal from the controller 11, the monitoring assembly 15 is controlled to be started, the interior of the distribution cabinet body 1 is observed and monitored, workers are reminded to observe through an external controller, for example, warning pieces such as light flashing or buzzing alarm are used, when an ignition point is generated in the interior of the distribution cabinet body 1, the workers observe through the monitoring assembly 15 and send instruction signals to a receiving end on one side of the storage part 4 through the external controller, the receiving end on one side of the storage part 4 receives signal instructions from the external controller, fire extinguishing agents in the storage part 4 are sprayed into the distribution cabinet body 1 through the large spraying adjusting assembly 6 in the distribution cabinet body 1 to extinguish fire quickly, accurate monitoring is carried out, quick detection and judgment of the distribution cabinet in the initial stage of fire are achieved, delay of optimal fire extinguishing time is avoided, and the intelligent degree is high;
when a fire point is generated in the power distribution cabinet body 1, the system 11 sends signals to a signal receiving end in the sealing plate assembly 2 and an external main controller respectively, when the signal receiving end in the sealing plate assembly 2 receives the signal sent by the controller 11, a starting instruction is issued to a driving piece in the sealing plate assembly 2, the output end of the driving piece is enabled to close a grating piece 3 on one side wall of the power distribution cabinet body 1 through telescopic sliding, external air is blocked to prevent oxygen from entering, oxygen is prevented from flowing into the power distribution cabinet body 1 to support combustion for the fire point, accurate linkage reaction can be performed on the fire point, optimal fire extinguishing time is effectively controlled, and the practicability is high;
thereby reduce CN111773587A in above-mentioned background and in putting out a fire the in-process, because there is oxygen in the switch board to carry out combustion-supporting effect to the ignition, when opening the switch board when putting out a fire the operation, a large amount of oxygen gushes into in the switch board, cause further produce combustion-supporting phenomenon to the ignition, owing to need be equipped with special fire extinguishing systems at the in-process of putting out a fire and put out a fire the operation, initial stage on fire at the switch board can't be perceived and judge fast, delay the best time of putting out a fire, the not high problem of intelligent degree.
As a further preferred embodiment, referring to fig. 2, 6 and 7, one side of the mounting frame 22 is fixedly mounted on one side of the distribution cabinet body 1, the telescopic member 21 is fixedly mounted on one side of the mounting frame 22, the closing plate assembly 2 includes the telescopic member 21, the mounting frame 22 and the receiver 23, the receiver 23 is in communication connection with the controller 11, the receiver 23 is in communication connection with the telescopic member 21, a signal generated by the controller 11 is firstly sent to the receiver 23, and the receiver 23 sends an activation signal to the telescopic member 21 for activation, so as to increase the transmission efficiency of the signal; the sliding end of the telescopic part 21 is fixedly provided with a sliding rod 24, wherein the telescopic part 21 comprises but is not limited to a telescopic structure such as an electric cylinder and an air cylinder, preferably the electric cylinder, can accurately and quickly generate a quick response to a command signal, and is more convenient compared with the stability and stability of an air source of the air cylinder, and the sliding end of the telescopic part 21 slides to drive the sliding rod 24 to move in an equal direction;
the surface of the inner wall of the power distribution cabinet body 1 is provided with a sliding chute matched with the sliding rod 24, the sliding rod 24 slides in the sliding chute, the surface of the sliding rod 24 is uniformly sleeved with a butting sleeve 25, one side of the butting sleeve 25 is of a convex structure, a guide rod 26 is fixedly arranged in the convex structure at one side of the butting sleeve 25, the linkage of the butting sleeve 25 is increased, and the number of the butting sleeves 25 is changed along with the number change of the grating pieces 3; the two ends of the grid element 3 are respectively fixed with a rotating pin shaft 27, the rotating pin shaft 27 on one side of the grid element 3 is rotatably mounted on the inner wall of the power distribution cabinet body 1, the number of the rotating pin shafts 27 on the other side of the grid element 3 is two, one side of one rotating pin shaft 27 is hinged with the inner wall of the power distribution cabinet body 1, and the structure is a pin shaft hinged rotation structure which is common in the prior art and is not described in detail;
furthermore, the other rotating pin 27 is parallel to the protrusion on one side of the abutting sleeve 25, a groove matched with the protrusion on one side of the abutting sleeve 25 is formed on the surface of the rotating pin 27 parallel to the protrusion on one side of the abutting sleeve 25, one side of the protrusion on one side of the abutting sleeve 25 is abutted to the groove (not shown) on the surface of the rotating pin 27 parallel to the protrusion on one side of the abutting sleeve 25, when the sliding end of the expansion member 21 is ejected out along the direction of the sliding rod 24, the sliding rod 24 moves in the same direction along the stroke direction of the sliding end of the expansion member 21, so as to drive the protrusion on one side of the abutting sleeve 25 to abut against the inside (not shown) of the groove on the surface of the rotating pin 27 parallel to the protrusion on one side of the abutting sleeve 25, and drive the two ends of the grid member 3 to be hinged on the wall of the distribution cabinet body 1, thereby realizing the isolation of the air inside the distribution cabinet body 1, the grating pieces 3 are reversely hinged to restore the air circulation condition in the distribution cabinet body 1;
when the signal receiving end in the sealing plate assembly 2 mentioned in the above embodiment receives a signal sent from the controller 11, the driving member that issues a start instruction to the driving member in the sealing plate assembly 2 is the telescopic member 21;
in summary, in the process of generating a fire inside the power distribution cabinet body 1, the signal sent by the controller 11 to the receiving end of the sealing plate assembly is received by the receiver 23, and a start signal is sent to the extensible member 21 by the receiver 23, the sliding end of the extensible member 21 slides in the direction of the sliding rod 24, so as to drive the sliding rod 24 to slide inside the groove matched with the sliding rod 24 on the inner wall of the power distribution cabinet body 1 along the direction of the sliding end of the extensible member 21, and further drive the plurality of abutting sleeves 25 sleeved on the surface of the sliding rod 24 to move in an equal direction through the sliding rod 24;
the plurality of abutting sleeves 25 drive the protruding structure on one side to move in an equidirectional manner through the sliding of the sliding rods 24, so that the protruding structure on one side of the abutting sleeves 25 slides along the inside (shown in the figure) of the surface groove of the rotating pin 27 arranged at one end of the grid part 3 on one side of the inner wall of the power distribution cabinet body 1 in an abutting manner, the sliding direction of the sliding rods 24 is guided through the guide rods 26 arranged on the surface of the protruding structure on one side of the abutting sleeves 25, so as to drive the rotating pin 27 at the other end of the grid part to hinge along one side of the inner wall of the power distribution cabinet body 1, at the moment, the grid parts 3 rotate, and the grid parts 3 between adjacent grids are in a closed structure to block the air inside and outside of the power distribution cabinet body 1 to realize the isolation of air inside the power distribution cabinet body 1 and reduce the circulation of air and the entrance of oxygen, thereby effectively preventing the oxygen or air circulation from carrying out combustion supporting on flames to cause the increase of fire, further loss is caused to the electric elements inside the power distribution cabinet body 1, and the scheme is simple in structure and high in practicability.
As a further preferable embodiment, referring to fig. 3, a compression conveying member 41 is installed on one side of the storage member 4, the compression conveying member 41 is of a pumping structure, an input end of the compression conveying member 41 is communicated with the inside of the storage member 4, an output end of the compression conveying member 41 is connected with one side of the spraying adjustment assembly 6 through a sealing member 5, the fire extinguishing agent in the storage member 4 is pumped to one side of the spraying adjustment assembly 6, the sealing member 5 is of a cavity-shaped structure, and the sealing performance to the inside of the distribution cabinet body 1 is increased while the output ends of the distribution cabinet body 1 and the compression conveying member 41 are fixed;
referring to fig. 8, the spraying adjustment assembly 6 includes a connection plate 61, an arc plate 62 and an arc groove 63, the sealing member 5 penetrates through the power distribution cabinet 1 and is connected with one side of the connection plate 61, a base for stably supporting the connection plate 61, the arc plate 62 is fixed on one side of the connection plate 61, the monitoring assembly 15 is fixed on one side of the connection plate 61, the arc groove 63 is opened on the surface of the arc plate 62 to provide a guide channel for the sliding of a magnetic attraction member 64 described below;
the number of the arc-shaped plates 62 and the arc-shaped grooves 63 is two, the arc-shaped plates 62 and the arc-shaped grooves 63 are symmetrically arranged along the central line of the connecting plate 61, a connecting frame is hinged between the two arc-shaped plates 62, a magnetic sucking piece 64 is slidably arranged in the arc-shaped grooves 63, the diameter length of one side of the connecting frame is larger than that of the arc-shaped plates 62, the friction generated on one side of the arc-shaped plates 62 on two sides in the hinging process of the connecting frame along the two arc-shaped plates 62 is reduced, damage is caused, a locking plate 65 is arranged on one side of the connecting frame, a gap is reserved between the connecting frame and the magnetic sucking piece 64, a tension spring 66 is movably arranged between the magnetic sucking piece 64 and the connecting frame, the tension spring 66 is stretched in the hinging process of the connecting frame along the two arc-shaped plates 62, and the stability of the connecting frame in the hinging process is improved while the connecting frame is limited;
a spray head 67 is arranged on one side of the locking plate 65, holes are respectively arranged on one sides of the connecting plate 61 and the locking plate 65, the holes on one sides of the connecting plate 61 and the locking plate 65 are connected through a flexible pipe, in the process of hinging the connecting frame, the flexible pipe can deform without influencing the conveying of fire extinguishing agents, the hole on one side of the connecting plate 61 is connected with the output end of the compression conveying piece 41, the hole on one side of the locking plate 65 is communicated with the inside of the spray head 67, the fire extinguishing agents are sprayed to the inside of the distribution cabinet body 1 through the spray head 67, an electromagnet 68 is arranged on one side of the inside of the two arc-shaped grooves 63, the electromagnet 68 is electrically connected with an external controller and is attracted with one side of the magnetic attraction piece 64, when the spray head 67 sprays the fire extinguishing agents, the external controller is electrified to the electromagnet 68 and generates magnetic force to attract the magnetic attraction piece 64 inside the arc-shaped groove 63, so as to drive the connecting frame and the spray head 67 to move along the inside of the arc-shaped grooves 63, until the fire extinguishing agent is attracted to one side of the electromagnet 68, the angle of the nozzle 67 for spraying the fire extinguishing agent is adaptively adjusted, the fire extinguishing agent is uniformly sprayed in the fire extinguishing process, the efficiency of the fire extinguishing process is increased, and the damage of flame to an electrical element is reduced;
it should be noted that the shapes of the arc plate 62 and the magnetic attraction piece 64 in the present embodiment are not limited to the structure shown in fig. 8, and a ring-shaped structure can be set by using the center point of the arc plate 62 as the origin, wherein, in fig. 8, the arrow shown is the guiding direction of the movement track of the magnetic attraction piece 64;
in the above embodiment, the external controller sends the instruction signal to the receiving end on one side of the storage part 4, the receiving end on one side of the storage part 4 receives the signal instruction from the external controller, and the fire extinguishing agent in the storage part 4 is sprayed into the distribution cabinet body 1 through the large spraying adjusting assembly 6 in the distribution cabinet body 1 to perform rapid fire extinguishing, wherein the receiving end on one side of the storage part 4 is the receiving end of the compressed conveying part 41;
in summary, the receiving end of the compression conveying assembly 41 on one side of the storage part 4 receives a signal instruction from an external controller to start, the fire extinguishing agent inside the storage part 4 is pumped and separated through the pumping input end of the compression conveying assembly 41 and is converted into the pumping output end of the compression conveying assembly 41 to be conveyed in a conversion manner, one side of the pumping output end of the compression conveying assembly 41 penetrates through the sealing element 5 on one side of the power distribution cabinet body 1 and is connected and installed with a flexible pipe (not shown) arranged at the connection position of the surface hole on one side of the locking plate 65 and the connecting plate 61, the fire extinguishing agent is pumped into the surface hole on one side of the locking plate 65 and is conveyed into the surface spray head 67 on the other side of the locking plate 65, and the fire extinguishing agent is sprayed into the power distribution cabinet body 1 to extinguish;
when the fire extinguishing agent is sprayed from the nozzle 67 along one side of the locking plate 65, the external controller connects external current to energize the electromagnets 68 located at the inner ends of the two arc-shaped slots 63 to generate magnetic field attraction force, so as to attract the magnetic attraction member 64 located at the other inner ends of the two arc-shaped slots 63 and attract the magnetic attraction member 64 to slide in the direction of the electromagnets 68 located at the inner ends of the two arc-shaped slots 63, when the magnetic attraction member 64 slides in the direction of the electromagnets 68 along the insides of the two arc-shaped slots 63, the connecting frame located at one side of the two arc-shaped slots 63 is hinged, the two sides of the connecting frame are fixedly sleeved on the surfaces of the two sides of the magnetic attraction member 64, when the magnetic attraction member 64 slides in the two arc-shaped slots 63, one side of the connecting frame is driven to move in the same direction along the sliding direction of the magnetic member 64, and further the locking plate 65 and the nozzle 67 located at one side of the connecting frame are driven to generate fire extinguishing agent, and move in the direction shown by the arrow in fig. 8, because the position of one side of the connecting frame is changed, one side of the tension spring 66 is fixed on the surface of the inner side of the connecting frame, the other side of the tension spring is fixedly sleeved on the surface of the magnetic part 64, and the tension spring 66 is driven to be in an arc stretching shape by taking the inner side of the connecting frame as an original point along with the movement of the magnetic part 64 due to the change of the position of the magnetic part 64, so that the stability of the connecting frame in the hinging process is improved while the connecting frame is limited;
external controller cuts off the power supply to the electro-magnet 68 that is located two arc wall 63 medial extremity portions through connecting outside electric current, magnetism is inhaled piece 64 in the above-mentioned step, lock plate 65, extension spring 66 and shower nozzle 67 carry out reverse motion, the shower nozzle 67 that drives link one side returns just, the completion is sprayed the putting out a fire of different angles to shower nozzle 67, spray the inside to the switch board body 1 through shower nozzle 67 with fire extinguishing agent, carry out the homogeneity to the in-process of putting out a fire and spray fire extinguishing agent, increase the efficiency of the process of putting out a fire, reduce flame to electric elements's damage.
In the above scheme, shower nozzle 67 is the reducing column structure, a plurality of spraying holes have been seted up to one side of shower nozzle 67, according to the laval spray tube principle, the inside fire extinguishing agent of shower nozzle 67 is according to the little department velocity of flow of cross-section big, the big little principle of department velocity of flow of cross-section, therefore the air current is constantly accelerated, when reaching the central point of shower nozzle 67, the velocity of flow has surpassed the air current pumping speed who comes from the flexible tube, the fluid is no longer followed the little department velocity of flow of cross-section big when moving this moment, the big little principle of department velocity of flow of cross-section just opposite, the cross-section is bigger, the velocity of flow is faster, spout fast through spraying holes in one side of shower nozzle 67, promote the efficiency of time of putting out a fire, further reduce because the damage that causes electrical component on fire, the technique is well-known principle, and detailed description is omitted.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an intelligence combination formula alternating current low-voltage power distribution cabinet, includes the distribution cabinet body (1), its characterized in that: the fire extinguishing cabinet is characterized in that a sealing plate component (2) is installed on one side of the power distribution cabinet body (1), a grid part (3) is installed on one side of the power distribution cabinet body (1) in a rotating mode, the sealing plate component (2) is adjusted to open and close the grid part (3) through telescopic sliding, a storage part (4) is installed on one side of the power distribution cabinet body (1), a fire extinguishing agent is arranged inside the storage part (4), one side of the storage part (4) is in communication connection with an external controller, a spraying adjusting component (6) is installed inside the power distribution cabinet body (1), one side of the spraying adjusting component (6) is communicated with one side of the storage part (4), and multi-angle spraying fire extinguishing is conducted on the inside of the power distribution cabinet body (1) through the spraying adjusting component (6);
a fixed cavity (7) is installed inside the power distribution cabinet body (1), a liquid storage cavity (8) is installed inside the fixed cavity (7), an electrofluid (13) is installed inside the liquid storage cavity (8), mercury (12) is arranged inside the liquid storage cavity (8), an electric block is arranged at the bottom of an inner cavity of the liquid storage cavity (8) and is electrically connected with external current, the mercury (12) expands to one side of the electrofluid (13) when heated to sense the current, a current transmission piece (9) is installed inside the fixed cavity (7), the current transmission piece (9) is electrically connected with the electrofluid (13), an induction cavity (10) is installed inside the fixed cavity (7), a current inductor (14) is installed inside the induction cavity (10), and the current inductor (14) is electrically connected with the current transmission piece (9), a controller (11) is installed inside the fixed cavity (7), and the current sensor (14) senses the current of the current transmission piece (9) and communicates a current sensing numerical signal to the controller (11);
the controller (11) is in communication connection with the closing plate assembly (2), the top of the spraying adjusting assembly (6) is provided with a monitoring assembly (15), the monitoring assembly (15) observes the environment inside the power distribution cabinet body (1), and the controller (11) and the monitoring assembly (15) are in communication connection with an external main controller; the sealing plate assembly (2) comprises an expansion piece (21), a mounting frame (22) and a receiver (23), the receiver (23) is in communication connection with the controller (11), one side of the mounting frame (22) is fixedly installed on one side of the power distribution cabinet body (1), the expansion piece (21) is fixedly installed on one side of the mounting frame (22), and the receiver (23) is in communication connection with the expansion piece (21);
a sliding rod (24) is fixedly mounted at the sliding end of the telescopic piece (21), a sliding groove matched with the sliding rod (24) is formed in the surface of the inner wall of the power distribution cabinet body (1), a butting sleeve (25) is uniformly sleeved on the surface of the sliding rod (24), one side of the butting sleeve (25) is of a convex structure, a guide rod (26) is fixedly mounted inside the convex structure on one side of the butting sleeve (25), and the number of the butting sleeve (25) changes along with the number change of the grating pieces (3);
the both ends of grid spare (3) are fixed with rotation round pin axle (27) respectively, the rotation round pin axle (27) of grid spare (3) one side are rotated and are installed in the inner wall of the distribution cabinet body (1), the quantity of the rotation round pin axle (27) of grid spare (3) opposite side is two, one the one side of rotation round pin axle (27) is articulated with the inner wall of the distribution cabinet body (1), another rotation round pin axle (27) with the arch of butt sleeve (25) one side parallels, with the surface that butt sleeve (25) one side protruding structure parallels rotation round pin axle (27) seted up with the recess of butt sleeve (25) one side protruding structure looks adaptation, the one side of butt sleeve (25) one side protruding structure with the recess looks butt of butt sleeve (25) one side protruding structure parallel rotation round pin axle (27) surface.
2. The intelligent combined type alternating-current low-voltage power distribution cabinet according to claim 1, characterized in that: the spraying device is characterized in that a compression conveying piece (41) is installed on one side of the storage piece (4), the compression conveying piece (41) is of a pumping structure, the input end of the compression conveying piece (41) is communicated with the inside of the storage piece (4), the output end of the compression conveying piece (41) is connected with one side of the spraying adjusting component (6) through a sealing piece (5), and the sealing piece (5) is of a cavity-shaped structure.
3. The intelligent combined ac low-voltage power distribution cabinet according to claim 2, characterized in that: spray adjustment assembly (6) including linking up fishplate bar (61), arc (62) and arc wall (63), sealing member (5) run through the switch board body (1) with one side of linking up fishplate bar (61) is connected, arc (62) are fixed in one side of linking up fishplate bar (61), it is fixed in to monitor subassembly (15) one side of linking up fishplate bar (61), arc wall (63) are seted up in the surface of arc (62).
4. The intelligent combined AC low-voltage power distribution cabinet according to claim 3, characterized in that: the quantity of arc (62) and arc (63) is two, and follows the central line symmetry installation of connection board (61), two it has the link to articulate between arc (62), the inside slidable mounting of arc (63) has magnetism to inhale piece (64), the diameter length of link one side is greater than the diameter length of arc (62), a side-mounting lock plate (65) of link, the link with inhale and leave the clearance between piece (64), it has extension spring (66) to inhale movable mounting between piece (64) and the link.
5. The intelligent combined AC low-voltage power distribution cabinet according to claim 4, characterized in that: shower nozzle (67) is installed to one side of lock plate (65), the hole has been seted up respectively to one side of linkage plate (61) and lock plate (65), linkage plate (61) with the hole of lock plate (65) one side is connected through the flexible tube, the hole of linkage plate (61) one side with the output of compression transport piece (41) is connected, the hole of lock plate (65) one side with the inside of shower nozzle (67) is linked together, shower nozzle (67) are reducing column structure, a plurality of spray holes, two have been seted up to one side of shower nozzle (67) electromagnet (68) are installed to inside one side of arc wall (63), electromagnet (68) and external control ware electric connection, and with one side actuation of magnetism piece (64) is inhaled.
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| CN202111507655.4A CN114204431B (en) | 2021-12-10 | 2021-12-10 | Intelligent combined AC low-voltage power distribution cabinet |
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| CN202111507655.4A CN114204431B (en) | 2021-12-10 | 2021-12-10 | Intelligent combined AC low-voltage power distribution cabinet |
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| CN114204431B true CN114204431B (en) | 2022-07-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115154959B (en) * | 2022-06-28 | 2023-03-17 | 南通星宇电气有限公司 | Switch board with fire control function of putting out a fire |
| CN115621876B (en) * | 2022-10-13 | 2023-05-30 | 广东金光默勒电气有限公司 | Safety protection method for high-voltage power distribution cabinet |
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| JPH06210014A (en) * | 1992-08-12 | 1994-08-02 | Kvaerner Masa Yards Oy | Fire prevention closing appliance |
| CN209560704U (en) * | 2019-04-11 | 2019-10-29 | 东能(福建)工程有限公司 | A kind of high temperature prior-warning device of power equipment |
| CN210129271U (en) * | 2019-06-26 | 2020-03-06 | 杭州智仁信息科技有限公司 | Alarm lamp with automatic alarm function for security protection |
| CN211859184U (en) * | 2020-02-20 | 2020-11-03 | 安徽通昊电力设备有限公司 | A fire prevention accessory for safe switch board |
| CN112604205A (en) * | 2020-12-04 | 2021-04-06 | 广东电网有限责任公司 | Automatic fire extinguishing device and fire extinguishing method special for power distribution cabinet |
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2021
- 2021-12-10 CN CN202111507655.4A patent/CN114204431B/en active Active
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| JPH06210014A (en) * | 1992-08-12 | 1994-08-02 | Kvaerner Masa Yards Oy | Fire prevention closing appliance |
| CN209560704U (en) * | 2019-04-11 | 2019-10-29 | 东能(福建)工程有限公司 | A kind of high temperature prior-warning device of power equipment |
| CN210129271U (en) * | 2019-06-26 | 2020-03-06 | 杭州智仁信息科技有限公司 | Alarm lamp with automatic alarm function for security protection |
| CN211859184U (en) * | 2020-02-20 | 2020-11-03 | 安徽通昊电力设备有限公司 | A fire prevention accessory for safe switch board |
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| CN114204431A (en) | 2022-03-18 |
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Denomination of invention: An Intelligent Combined AC Low Voltage Power Distribution Cabinet Effective date of registration: 20230323 Granted publication date: 20220708 Pledgee: Chengxi Sub-branch of Zhejiang Pinghu Rural Commercial Bank Co.,Ltd. Pledgor: Zhejiang zheheng Electric Co.,Ltd. Registration number: Y2023980035654 |