CN111463671B - High-performance low-voltage intelligent switch cabinet - Google Patents

High-performance low-voltage intelligent switch cabinet Download PDF

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Publication number
CN111463671B
CN111463671B CN202010434004.6A CN202010434004A CN111463671B CN 111463671 B CN111463671 B CN 111463671B CN 202010434004 A CN202010434004 A CN 202010434004A CN 111463671 B CN111463671 B CN 111463671B
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CN
China
Prior art keywords
switch cabinet
cabinet body
channel
fire
driving
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Active
Application number
CN202010434004.6A
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Chinese (zh)
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CN111463671A (en
Inventor
王金城
王新武
黄顺家
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Fujian Sanxing Electric Co ltd
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Fujian Sanxing Electric Co ltd
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Priority to CN202010434004.6A priority Critical patent/CN111463671B/en
Publication of CN111463671A publication Critical patent/CN111463671A/en
Application granted granted Critical
Publication of CN111463671B publication Critical patent/CN111463671B/en
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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
    • A62C3/14—Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing
    • 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
    • A62C35/023—Permanently-installed equipment with containers for delivering the extinguishing substance the extinguishing material being expelled by compressed gas, taken from storage tanks, or by generating a pressure gas
    • 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
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C99/00—Subject matter not provided for in other groups of this subclass
    • A62C99/0009—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames
    • A62C99/0018—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using gases or vapours that do not support combustion, e.g. steam, carbon dioxide
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • 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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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Special Wing (AREA)

Abstract

The invention provides a high-performance low-voltage intelligent switch cabinet with simple structure and fire extinguishing effect, which comprises a switch cabinet body and a high-pressure fire extinguishing air bag for extinguishing fire, the switch cabinet body is provided with a plurality of ventilation openings for heat dissipation, a fixed seat is fixedly arranged in the switch cabinet body, the fixed seat is provided with a first channel communicated with the interior of the switch cabinet body, the high-pressure fire-extinguishing air bag is arranged in the first channel, a second channel is arranged in the fixed seat and is communicated with the first channel, a puncture device used for puncturing the high-pressure fire-extinguishing airbag when a fire breaks out is arranged in the second channel of the fixed seat, the switch cabinet body is also internally provided with a sealing device which is used for sealing the ventilation opening of the switch cabinet after a fire happens so as to prevent the gas in the high-pressure fire extinguishing air bag from escaping out of the control cabinet, the switch cabinet body is internally provided with a linkage structure for driving the puncture device and the sealing device to be linked.

Description

High-performance low-voltage intelligent switch cabinet
Technical Field
The invention relates to the technical field of electrical cabinets, in particular to a high-performance low-voltage intelligent switch cabinet.
Background
The intelligent switch cabinet is a cabinet with high performance, high reliability, certain self-diagnosis and automatic control performance and network communication capability.
The low-voltage switch cabinet is used as a distributor electric energy conversion device and is suitable for various industries such as power generation, metallurgy, textile and the like, an external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like, some are also provided with a high-voltage chamber and a low-voltage chamber switch cabinet, a high-voltage bus is arranged, such as a power plant and the like, and some are also provided with low-frequency load shedding for keeping main equipment. The existing low-voltage intelligent switch cabinet can meet the requirements of production and use. However, the flame retardance is not strong, once the electrical elements in the switch cabinet are short-circuited, the electrical elements are easy to be punctured, so that the electrical elements in the switch cabinet are ignited, a fire disaster is caused, and the inestimable loss in production is caused.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a high-performance low-voltage intelligent switch cabinet which is simple in structure and has a fire extinguishing effect.
In order to achieve the aim, the technical scheme of the invention is to provide a high-performance low-voltage intelligent switch cabinet, which comprises a switch cabinet body and a high-voltage fire extinguishing air bag for extinguishing fire, the switch cabinet body is provided with a plurality of ventilation openings for heat dissipation, a fixed seat is fixedly arranged in the switch cabinet body, the fixed seat is provided with a first channel communicated with the interior of the switch cabinet body, the high-pressure fire-extinguishing air bag is arranged in the first channel, a second channel is arranged in the fixed seat and is communicated with the first channel, a puncture device used for puncturing the high-pressure fire-extinguishing airbag when a fire breaks out is arranged in the second channel of the fixed seat, the switch cabinet body is also internally provided with a sealing device which is used for sealing the ventilation opening of the switch cabinet after a fire happens so as to prevent the gas in the high-pressure fire extinguishing air bag from escaping out of the control cabinet, the switch cabinet body is internally provided with a linkage structure for driving the puncture device and the sealing device to be linked.
The further improvement is that: the puncture device comprises a puncture rod with a sharp bulge, a fixed shell is fixedly arranged in the second channel in the fixed seat, the puncture rod can slidably penetrate through the fixed shell, a rotatable turntable is further arranged in the fixed seat, an inclined plane used for driving the puncture rod to slide into the first channel is arranged on the turntable, and a return device used for returning the puncture rod is arranged in the fixed shell.
The further improvement is that: the sealing device comprises a sealing baffle, the sealing baffle is slidably arranged on the switch cabinet body, a driving hole is formed in the sealing baffle, a first tooth row is arranged on the driving hole, a driving wheel is rotatably arranged on the switch cabinet body, a driving tooth capable of being driven by the first tooth row is arranged on the half circumference of the driving wheel, and a driving motor used for driving the driving wheel to rotate is arranged in the switch cabinet body.
The further improvement is that: the interlock structure includes the axis of rotation, the axis of rotation is rotatable to be located this internal just the axis of rotation is worn to locate the fixing base, the first synchronous pulley of fixedly connected with on the drive wheel, the fixed second synchronous pulley that is equipped with in the axis of rotation, around being equipped with the hold-in range between the second synchronous pulley, the axis of rotation is located worm tooth has been seted up to the carousel below of fixing base, this internal rotatable carousel axle that drives carousel pivoted that is equipped with of cubical switchboard, the carousel axle other end with carousel fixed connection, the epaxial fixed cover of carousel is equipped with the worm wheel, the worm wheel with the worm tooth meshes.
The further improvement is that: the return device comprises a fixed plate which is slidably arranged in the fixed shell, the fixed sleeve of the fixed plate is arranged on the piercing rod, and a return spring is arranged between the fixed plate and the fixed shell.
The further improvement is that: the switch cabinet is characterized in that a flame sensor and a control device are fixedly arranged in the switch cabinet body, the flame sensor is electrically connected with the control device, and the driving motor is electrically connected with the control device.
The further improvement is that: the fixing base is located first passageway female connection has the sealed lid of sealing the high pressure gasbag of putting out a fire in first passageway, sealed covering is offered and is used for the venthole of gaseous effluvium, the fixing base is located still be equipped with pressure sensor in the first passageway, pressure sensor with the controlling means electricity is connected, be equipped with the instrument that is used for monitoring the pressure value on the cubical switchboard body, the instrument with the controlling means electricity is connected.
The further improvement is that: the switch cabinet body is located the cabinet door of switch cabinet body department of opening and shutting is equipped with sealing rubber pad.
The further improvement is that: the switch cabinet is characterized in that an alarm lamp and a buzzer are fixedly arranged on the switch cabinet body, and the alarm lamp and the buzzer are electrically connected with a plurality of control devices.
The further improvement is that: the switch cabinet body is located the fixed filter screen that is equipped with in the vent.
The invention has the advantages and beneficial effects that:
1. when an electric element in the switch cabinet catches fire, the flame sensor can sense flame, the controller controls the driving motor to rotate, the ventilation opening is closed, and then the puncturing device can puncture the high-pressure fire extinguishing airbag to enable nitrogen inside to escape out to extinguish fire of the switch cabinet.
2. Adopt high-pressure fire extinguishing gas to put out a fire, for traditional adoption foam extinguisher extinguishment, can avoid the foam extinguisher to go on damaging the electric elements that do not harm after going out, improve electric elements's rate of utilization, resources are saved.
3. The ventilation opening is closed, so that the interior of the switch cabinet is closed, the fire extinguishing gas is prevented from escaping from the ventilation opening, and the fire extinguishing efficiency is improved.
4. The linkage structure can realize that the driving motor directly drives the sealing device to seal the vent, and simultaneously can synchronously drive the puncture rod on the puncture device to puncture the high-pressure air bag, so that separate transmission is avoided, two motors are required to be used, the production cost is reduced, and the resources are saved.
5. Sealed lid can be sealed the high pressure gasbag of putting out a fire in the first passageway of fixing base, avoids the high pressure gasbag of putting out a fire and contact with outside sharp object, perhaps during the staff's operation, punctures the high pressure gasbag, causes unnecessary loss and waste.
6. The instrument can monitor the high pressure gasbag oppression pressure sensor pressure value of putting out a fire, prevents that the high pressure gasbag of putting out a fire from leaking gas gradually when not using, and loses the fire control effect, makes the staff in time aerify the gasbag and fill, when guaranteeing that the condition of a fire appears, in time puts out a fire.
7. After the alarm lamp and the buzzer generate flame, the alarm lamp and the buzzer can give an alarm to inform workers of timely coming treatment, and larger loss is avoided.
8. The cabinet door department of opening and shutting of cubical switchboard is equipped with sealing rubber pad, and the leakproofness of improvement cubical switchboard that can step forward not only can prevent that high-pressure fire extinguishing gas from running out the cubical switchboard, can also prevent that outside dust from making dirty electric elements and damaging electric elements in getting into the cubical switchboard.
9. The filter screen is arranged on the ventilation opening of the switch cabinet, so that dust can be prevented from entering the switch cabinet when the ventilation opening is opened, and the service life of the electric elements of the switch cabinet is prolonged.
10. The handle on the sealing cover can facilitate the sealing cover to cover the fixing seat, and the efficiency of replacing the high-pressure air bag is improved.
Drawings
Fig. 1 is a schematic view of a partially cut-away structure of a high-performance low-voltage intelligent switch cabinet according to an embodiment of the present invention.
FIG. 2 is a schematic view of a cut-away structure of embodiment B-B of the present invention.
Fig. 3 is an enlarged schematic structural diagram of embodiment a of the present invention.
Fig. 4 is a schematic structural diagram of a sealing baffle and a driving wheel according to an embodiment of the invention.
Fig. 5 is a schematic structural view of a sealing cover according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-5, a high-performance low-voltage intelligent switch cabinet comprises a switch cabinet body 1 and a high-voltage fire extinguishing airbag 7 (gas in the airbag is nitrogen), the switch cabinet body 1 is symmetrically provided with vents 2 for dissipating heat, a fixing seat 6 is fixedly arranged in the switch cabinet body 1, the fixing seat 6 is provided with a first channel 8 communicated with the interior of the switch cabinet body 1, the high-voltage fire extinguishing airbag 7 is arranged in the first channel 8, the fixing seat 6 is provided with a second channel 9, the second channel 9 is communicated with the first channel 8, the fixing seat 6 is positioned in the second channel 9 and is provided with a puncturing device for puncturing the high-voltage fire extinguishing airbag 7 when a fire is started, the puncturing device comprises a puncturing rod 102 with a sharp protrusion, and a fixing shell 103 is fixedly arranged in the second channel 9 in the fixing seat 6, the puncture rod 102 is slidably arranged in the fixed shell 103 in a penetrating manner, a rotatable turntable 10 is further arranged in the fixed seat 6, an inclined surface 101 for driving the puncture rod 102 to slide into the first channel 8 is arranged on the turntable 10, a fixed plate 104 is slidably arranged in the fixed shell 103, the fixed plate 104 is fixedly arranged on the puncture rod 102 in a fixing manner, a return spring 105 is arranged between the fixed plate 104 and the fixed shell 103, a sealing device for sealing the switch cabinet vent 2 after ignition to prevent gas in the high-pressure fire-extinguishing airbag 7 from escaping out of the control cabinet is arranged in the switch cabinet body 1, the sealing device comprises a sealing baffle plate 22, a sliding groove 221 is arranged on the switch cabinet body 1, a sliding rail 222 is arranged on the sealing baffle plate 22 in a sliding manner, a driving hole 223 is arranged on the sealing baffle plate 22, and a first tooth row 224 is arranged on the driving hole 223, the switch cabinet comprises a switch cabinet body 1, a driving wheel 24 is rotatably arranged on the switch cabinet body 1 through a bearing, driving teeth 224 capable of being connected with a first tooth row 224 are arranged on half circumference of the driving wheel 24, a driving motor (not shown) for driving the driving wheel 24 to rotate is arranged in the switch cabinet body 1, a linkage structure for driving the puncture device and the sealing device to be linked is arranged in the switch cabinet body 1, the linkage structure comprises a rotating shaft 16, the rotating shaft 16 is rotatably arranged in the switch cabinet body 1 through a bearing, the rotating shaft 16 penetrates through a fixed seat 6, a first synchronous belt 19 wheel 20 is fixedly connected to the driving wheel 24, a second synchronous belt 19 wheel 15 is fixedly arranged on the rotating shaft 16, a synchronous belt 19 is wound between the second synchronous belt 19 wheels 15, worm teeth (not shown) are arranged below a rotary disc 10 of the fixed seat 6 on the rotating shaft 16, the utility model discloses a flame sensor, including cubical switchboard body 1, drive carousel 10, worm wheel 17, controller 31, flame sensor 3 is connected with controller 31, driving motor with controller 31 electricity is connected, the rotatable carousel axle 18 that drives carousel 10 pivoted that is equipped with through the bearing in the cubical switchboard body 1, the carousel axle 18 other end with carousel 10 fixed connection, the fixed cover is equipped with worm wheel 17 on the carousel axle 18, worm wheel 17 with worm tooth (not shown in the figure) meshing, cubical switchboard body 1 internal fixation is equipped with flame sensor 3 (flame sensor is the publicly known product that can purchase from the market, does not give unnecessary details here) and controller 31 (the controller is the publicly known product that can purchase from the market, does not give unnecessary details here), flame sensor 3 with controller 31 electricity is connected, driving motor with controller 31 electricity is connected.
In order to ensure that the gas in the high-pressure fire extinguishing airbag 7 has a sufficient amount to extinguish a fire and improve the safety, the fixing seat 6 is located in the first channel 8, the internal thread of the fixing seat is connected with a sealing cover 12 for sealing the high-pressure fire extinguishing airbag 7 in the first channel 8, the sealing cover 12 is provided with a gas outlet 13 for gas to escape, the fixing seat 6 is located in the first channel 8, a pressure sensor 11 is further arranged (the pressure sensor is a known product which can be purchased from the market and is not described herein), the pressure sensor 11 is electrically connected with the controller 31, an instrument (not shown in the figure) for monitoring the pressure value is arranged on the switch cabinet body 1 (the instrument is a known product which can be purchased from the market and is not described herein), and the instrument is electrically connected with the controller 31. Wherein, sealed lid 12 can seal high pressure fire extinguishing gasbag 7 in the first passageway 8 of fixing base 6, avoids high pressure fire extinguishing gasbag 7 and outside sharp object contact, perhaps during the staff's operation, punctures high pressure gasbag, causes unnecessary loss and waste. Pressure sensor 11 receives the extrusion of high-pressure gasbag, produces pressure, and the instrument on the cubical switchboard can monitor 7 oppression pressure sensor 11 pressure values of high-pressure fire-fighting gasbag, prevents that high-pressure fire-fighting gasbag 7 from leaking gas gradually when not using, and loses the fire control effect, makes the staff in time aerify the gasbag and fill, when guaranteeing that the condition of a fire appears, in time puts out a fire.
In order to further seal the switch cabinet and prevent gas from escaping, a sealing rubber pad (not shown in the figure) is arranged at the opening and closing position of the cabinet door of the switch cabinet body. The cabinet door department of opening and shutting of cubical switchboard is equipped with sealing rubber pad, and the leakproofness of improvement cubical switchboard that can step forward not only can prevent that high-pressure fire extinguishing gas from running out the cubical switchboard, can also prevent that outside dust from making dirty electric elements and damaging electric elements in getting into the cubical switchboard.
In order to inform the staff of handling accidents in time, an alarm lamp 5 and a buzzer 4 are fixedly arranged on the switch cabinet, and the alarm lamp 5 and the buzzer 4 are electrically connected with a plurality of controllers 31. The alarm lamp 5 and the buzzer 4 can give an alarm after generating flame, and inform workers of timely coming treatment, so that greater loss is avoided.
In order to increase the service life of the electrical components, a filter screen 23 is fixedly arranged in the ventilation opening 2 of the switch cabinet. The filter screen 23 is arranged on the ventilation opening 2 of the switch cabinet, so that dust can be prevented from entering the switch cabinet when the ventilation opening 2 is opened, and the service life of the electrical elements of the switch cabinet is prolonged.
In order to facilitate the opening and closing of the sealing cover 12, the handle 14 is arranged on the sealing cover 12, the handle 14 on the sealing cover 12 can facilitate the sealing cover 12 to cover the fixing seat 6, and the efficiency of replacing the high-pressure air bag is improved.
The working principle is as follows:
when an electric element in the switch cabinet is on fire, the flame sensor 3 detects flame, a signal is sent to the controller 31, the controller 31 sends a signal to the driving motor, the driving motor drives the driving wheel 24 to rotate, the driving teeth 224 on the driving wheel 24 are meshed with the first tooth row 224, the sealing baffle 22 is pushed to slide on the switch cabinet, the air vent 2 is sealed, meanwhile, the driving wheel 24 rotates to drive the first synchronous belt 19 wheel 20 to rotate, the first synchronous belt 19 wheel 20 drives the second synchronous belt 19 wheel 15 to rotate, the second synchronous belt 19 wheel 15 drives the rotating shaft 16 to rotate, when the rotating shaft 16 rotates, worm teeth (not shown in the figure) on the rotating shaft 16 are meshed with the worm wheel 17 to drive the rotating disc shaft 18 to rotate, and further, the rotating disc 10 rotates, and when the rotating disc 10 rotates, because the puncture rod 102 is mutually resisted with the inclined surface on the rotating disc 10 and moves from the lower position of the inclined surface to the higher position, the puncture rod 102 is pushed into the first channel 8 to puncture the gas high-pressure fire-extinguishing airbag 7, the return spring 105 is compressed at the moment, after the high-pressure fire-extinguishing airbag 7 is punctured, the nitrogen inside escapes from the air outlet hole 13 and enters the switch cabinet, the nitrogen concentration in the switch cabinet is high, flame combustion is prevented, and fire is extinguished. Meanwhile, the alarm lamp and the buzzer 4 are turned on to give an alarm, so that the working personnel can conveniently come to handle the alarm in time. After the treatment is finished, the driving motor rotates reversely to drive the sealing baffle 22 to return, the vent 2 is opened, and similarly, the first synchronizing wheel and the second synchronizing wheel are driven to rotate, the transmission rod is driven to rotate, and finally the rotary table 10 is driven to rotate in the reverse direction. At this time, the return spring 105 in the fixed case 103 elastically returns to drive the puncture rod 102 to return, and the puncture rod 102 moves from the highest position to the lowest position of the inclined surface 101. Then, the handle is rotated to open the sealing cover 12, the broken air bag in the first channel 8 is taken out, the high-pressure fire extinguishing air bag 7 is replaced again, and then the sealing cover 12 is covered for recycling.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are included to illustrate the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high performance low pressure intelligence cubical switchboard, includes the cubical switchboard body, offer on the cubical switchboard body and be used for radiating a plurality of vents, its characterized in that: the switch cabinet is characterized by further comprising a high-pressure fire extinguishing air bag for extinguishing fire, a fixed seat is fixedly arranged in the switch cabinet body, the fixed seat is provided with a first channel communicated with the interior of the switch cabinet body, the high-pressure fire extinguishing air bag is arranged in the first channel, a second channel is arranged in the fixed seat and communicated with the first channel, the fixed seat is positioned in the second channel and is internally provided with a puncture device for puncturing the high-pressure fire extinguishing air bag during fire, a sealing device for sealing a vent of the switch cabinet after fire is started to prevent gas in the high-pressure fire extinguishing air bag from escaping out of the control cabinet, and a linkage structure for driving the puncture device and the sealing device to be linked is arranged in the switch cabinet body,
the puncture device comprises a puncture rod with a sharp bulge, a fixed shell is fixedly arranged in the second channel in the fixed seat, the puncture rod can be penetrated through the fixed shell in a sliding way, a rotatable turntable is also arranged in the fixed seat, an inclined plane for driving the puncture rod to slide into the first channel is arranged on the turntable, and a return device for returning the puncture rod is arranged in the fixed shell,
the sealing device comprises a sealing baffle which is slidably arranged on the switch cabinet body, a driving hole is formed in the sealing baffle, a first tooth row and a second tooth row are symmetrically arranged on the driving hole from top to bottom, a driving wheel is rotatably arranged on the switch cabinet body, driving teeth which can be meshed with the first tooth row and the second tooth row are arranged on the half circumference of the driving wheel, a driving motor for driving the driving wheel to rotate is arranged in the switch cabinet body,
the linkage structure comprises a rotating shaft, the rotating shaft is rotatably arranged in the switch cabinet body and penetrates through the fixed seat, a first synchronous belt wheel is fixedly connected to the driving wheel, a second synchronous belt wheel is fixedly arranged on the rotating shaft, a synchronous belt is wound between the second synchronous belt wheels, worm teeth are arranged below a turntable of the fixed seat on the rotating shaft, a turntable shaft for driving the turntable to rotate is rotatably arranged in the switch cabinet body, the other end of the turntable shaft is fixedly connected with the turntable, a worm wheel is fixedly sleeved on the turntable shaft and meshed with the worm teeth,
the switch cabinet is characterized in that a flame sensor and a control device are fixedly arranged in the switch cabinet body, the flame sensor is electrically connected with the control device, and the driving motor is electrically connected with the control device.
2. The high-performance low-voltage intelligent switch cabinet according to claim 1, characterized in that: the return device comprises a fixed plate which is slidably arranged in the fixed shell, the fixed sleeve of the fixed plate is arranged on the piercing rod, and a return spring is arranged between the fixed plate and the fixed shell.
3. The high-performance low-voltage intelligent switch cabinet according to claim 1, characterized in that: the fixing base is located first passageway female connection has the sealed lid of sealing the high pressure gasbag of putting out a fire in first passageway, sealed covering is offered and is used for the venthole of gaseous effluvium, the fixing base is located still be equipped with pressure sensor in the first passageway, pressure sensor with the controlling means electricity is connected, be equipped with the instrument that is used for monitoring the pressure value on the cubical switchboard body, the instrument with the controlling means electricity is connected.
4. The high-performance low-voltage intelligent switch cabinet according to claim 1, characterized in that: the switch cabinet body is located the cabinet door of switch cabinet body department of opening and shutting is equipped with sealing rubber pad.
5. The high-performance low-voltage intelligent switch cabinet according to claim 1, characterized in that: the switch cabinet is characterized in that an alarm lamp and a buzzer are fixedly arranged on the switch cabinet body, and the alarm lamp and the buzzer are electrically connected with a plurality of control devices.
6. The high-performance low-voltage intelligent switch cabinet according to claim 1, characterized in that: the switch cabinet body is located the fixed filter screen that is equipped with in the vent.
CN202010434004.6A 2020-05-21 2020-05-21 High-performance low-voltage intelligent switch cabinet Active CN111463671B (en)

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CN111463671B true CN111463671B (en) 2022-04-15

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CN112510509A (en) * 2020-11-19 2021-03-16 浙江龙呈电力设备有限公司 High-temperature-resistant explosion-proof switch cabinet
CN114336394B (en) * 2021-12-20 2023-09-29 山东科能电气设备有限公司 Electrical equipment with fireproof function

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