CN115313171A - Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof - Google Patents

Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof Download PDF

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Publication number
CN115313171A
CN115313171A CN202210951232.XA CN202210951232A CN115313171A CN 115313171 A CN115313171 A CN 115313171A CN 202210951232 A CN202210951232 A CN 202210951232A CN 115313171 A CN115313171 A CN 115313171A
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CN
China
Prior art keywords
power distribution
distribution cabinet
dry powder
fire extinguishing
carbon dioxide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210951232.XA
Other languages
Chinese (zh)
Inventor
康国强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Jingneng Electric Co ltd
Original Assignee
Kunshan Jingneng Electric Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Jingneng Electric Co ltd filed Critical Kunshan Jingneng Electric Co ltd
Priority to CN202210951232.XA priority Critical patent/CN115313171A/en
Publication of CN115313171A publication Critical patent/CN115313171A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
    • A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
    • 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
    • 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
    • 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

Abstract

The invention discloses an automatic fire extinguishing mechanism for a power distribution cabinet and a using method of the automatic fire extinguishing mechanism, and relates to the technical field of power distribution cabinets. The automatic fire extinguishing mechanism for the power distribution cabinet comprises an electric cabinet body and a cabinet door arranged on the electric cabinet body, wherein a carbon dioxide fire extinguishing part and a dry powder fire extinguishing part are respectively arranged inside the electric cabinet body, and a sensor is fixedly connected to the top of the inner side wall of the electric cabinet body; the top of switch board body is provided with the purification mechanism who is used for purifying harmful gas. According to the invention, the power distribution cabinet body, the carbon dioxide fire extinguishing component and the dry powder fire extinguishing component are arranged, after the sensor detects a fire signal, the control component enables the dry powder fire extinguishing component to act to extinguish fire in the power distribution cabinet body, and finally the carbon dioxide fire extinguishing component carries out secondary fire extinguishing and blows up dry powder, the purification mechanism can purify and filter the dry powder and toxic gas, so that the effects of extinguishing fire through the carbon dioxide fire extinguishing component and cleaning the dry powder are achieved.

Description

Automatic fire extinguishing mechanism for power distribution cabinet and using method thereof
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to an automatic fire extinguishing mechanism for a power distribution cabinet and a using method of the automatic fire extinguishing mechanism.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops; the motor control center is used for the concentrated, the more occasion in return circuit of load, consequently at the switch board during operation, easily produces high temperature in the cabinet, when the heat dissipation is not in time, easily leads to the emergence of conflagration in the cabinet, if not break out the interior fire source of cabinet in time, very easily causes the intensity of a fire to spread, causes very big loss of property and major fire accident.
Among the prior art, some use dry powder to carry out automatic fire extinguishing's switch board can carry out effectual putting out a fire, but because the dry powder granule is less, after putting out a fire, have inconvenient clearance, the dry powder remains too much, leads to the problem of inside components and parts repair difficulty.
Disclosure of Invention
Solves the technical problem
Aiming at the defects of the prior art, the invention provides an automatic fire extinguishing mechanism for a power distribution cabinet, which solves the problems that in the prior art, some power distribution cabinets using dry powder for automatic fire extinguishing can effectively extinguish fire, but due to small dry powder particles, cleaning is inconvenient after fire extinguishing is finished, and excessive dry powder remains, so that internal components are difficult to repair.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic fire extinguishing mechanism for a power distribution cabinet comprises a power distribution cabinet body and a cabinet door arranged on the power distribution cabinet body, wherein a carbon dioxide fire extinguishing part and a dry powder fire extinguishing part are respectively arranged inside the power distribution cabinet body, and a sensor is fixedly connected to the top of the inner side wall of the power distribution cabinet body;
the top of switch board body is provided with the purification mechanism that is used for purifying harmful gas, the top of switch board body is provided with the control unit who is used for controlling carbon dioxide part of putting out a fire, dry powder part of putting out a fire accuse and purification mechanism.
Further, the carbon dioxide extinguishing part comprises a carbon dioxide fire extinguisher, a first connecting pipe, a first electromagnetic valve and an air outlet pipe, the carbon dioxide fire extinguisher is installed at the bottom of the inner side wall of the power distribution cabinet body, an output pipe of the carbon dioxide fire extinguisher is connected with the first connecting pipe through a connecting ring, one end of the first connecting pipe, far away from the carbon dioxide fire extinguisher, is fixedly connected with the first electromagnetic valve, and the air outlet pipe is fixedly connected with the first electromagnetic valve.
Furthermore, an air guide box is fixedly connected to an air outlet of the air outlet pipe, and an air outlet is formed in the surface of the air guide box.
Further, the dry powder fire extinguishing component comprises a dry powder fire extinguisher, a second connecting pipe, a second electromagnetic valve and a spray pipe, the dry powder fire extinguisher is installed at the bottom of the inner side wall of the power distribution cabinet body, an output pipe of the dry powder fire extinguisher is connected with the second connecting pipe through a connecting ring, one end, far away from the dry powder fire extinguisher, of the second connecting pipe is fixedly connected with the second electromagnetic valve, and the spray pipe is fixedly connected with the second electromagnetic valve.
Further, the fixed surface of the sprinkling pipe is connected with a communicating pipe, one end of the communicating pipe is fixedly connected with an auxiliary pipe, and the sprinkling pipe, the communicating pipe and the auxiliary pipe are communicated with each other.
Furtherly, the inside wall fixedly connected with check baffle of switch board body, outlet duct and spray line all run through check baffle.
Furthermore, the bottom of the inner side wall of the power distribution cabinet body is respectively connected with two fixing frames through screws, and the inner side walls of the two fixing frames are respectively movably connected with the surfaces of the carbon dioxide fire extinguisher and the dry powder fire extinguisher.
Further, purification mechanism includes the purifying box, just imitates the filter, and carbon monoxide purifies layer and fan, purifying box fixed connection is at the top of switch board body, just imitate filter and carbon monoxide and purify the equal movable joint in the inside of purifying box in layer, fan fixed connection is in the inside of purifying box, the purifying box passes through the inside intercommunication of breather valve and switch board body.
Further, the control part comprises a control box and a controller, the controller is fixedly connected to the top of the power distribution cabinet body, and the control box is arranged inside the controller.
The invention also provides a use method of the automatic fire extinguishing mechanism for the power distribution cabinet, which comprises the following steps:
s1, a sensor receives a fire signal and transmits the signal to a control part, and the control part enables a dry powder extinguishing part to work to extinguish a fire of a power distribution cabinet body;
s2, stopping the dry powder extinguishing component, controlling the carbon dioxide extinguishing component to work by the control component, carrying out secondary extinguishment on the interior of the power distribution cabinet body, and cleaning dry powder;
and S3, the control component controls the purification mechanism to work, and dry powder blown up by carbon dioxide and toxic gas generated by insufficient combustion are sucked out and purified from the inside of the power distribution cabinet body.
Advantageous effects
The invention has the following beneficial effects:
(1) This automatic fire extinguishing mechanism for power distribution cabinet, through setting up the switch board body, carbon dioxide extinguishes fire part and dry powder part of putting out a fire, after the sensor detects fire signal, control unit makes the dry powder part of putting out a fire action, put out a fire to the inside of switch board body, carbon dioxide extinguishes fire the part at last and carries out the secondary and extinguish a fire and blow up the dry powder simultaneously, purification mechanism can purify the toxic gas of dry powder and switch board body inside and filter, reached and to put out a fire through carbon dioxide extinguishes the part, also can carry out the effect of clearing up to the dry powder simultaneously.
(2) This automatic fire extinguishing mechanism for power distribution cabinet through setting up the carbon dioxide fire extinguisher, first connecting pipe, first solenoid valve and outlet duct, after the dry powder is put out a fire, carbon dioxide enters into the inside of wind-guiding case through the outlet duct, discharges through the air exit above that, can clear up the dry powder, under the effect of fan, the inside dry powder of switch board body, impurity and carbon monoxide inhale the inside of purifying box to can clear up the purification.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the power distribution cabinet body according to the present invention;
FIG. 3 is a schematic view of the structure of the spray tube of the present invention;
FIG. 4 is a schematic view of the internal structure of the purification box of the present invention.
In the figure, 1, a power distribution cabinet body; 2. a cabinet door; 3. a sensor; 4. a carbon dioxide extinguisher; 5. a first connecting pipe; 6. a first solenoid valve; 7. an air outlet pipe; 8. a wind guide box; 9. a dry powder extinguisher; 10. a second connecting pipe; 11. a second solenoid valve; 12. a spray tube; 13. a communicating pipe; 14. an auxiliary tube; 15. a grid baffle; 16. a fixed mount; 17. a purification box; 18. a primary filter; 19. a carbon monoxide purification layer; 20. a fan; 21. a vent valve; 22. a control box; 23. and a controller.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a technical solution: an automatic fire extinguishing mechanism for a power distribution cabinet comprises a power distribution cabinet body 1 and a cabinet door 2 installed on the power distribution cabinet body 1, wherein a carbon dioxide fire extinguishing part and a dry powder fire extinguishing part are respectively arranged inside the power distribution cabinet body 1, and a sensor 3 is fixedly connected to the top of the inner side wall of the power distribution cabinet body 1;
the top of switch board body 1 is provided with the purification mechanism who is used for purifying harmful gas, and the top of switch board body 1 is provided with the control unit who is used for controlling carbon dioxide part of putting out a fire, dry powder part of putting out a fire accuse and purification mechanism.
Specifically, the carbon dioxide fire extinguishing component comprises a carbon dioxide fire extinguisher 4, a first connecting pipe 5, a first electromagnetic valve 6 and an air outlet pipe 7, the carbon dioxide fire extinguisher 4 is installed at the bottom of the inner side wall of the power distribution cabinet body 1, an output pipe of the carbon dioxide fire extinguisher 4 is connected with the first connecting pipe 5 through a connecting ring, one end, far away from the carbon dioxide fire extinguisher 4, of the first connecting pipe 5 is fixedly connected with the first electromagnetic valve 6, and the air outlet pipe 7 is fixedly connected with the first electromagnetic valve 6;
an air guide box 8 is fixedly connected to the air outlet of the air outlet pipe 7, and an air outlet is formed in the surface of the air guide box 8.
In this embodiment, the carbon dioxide extinguishing part is used for carrying out secondary fire extinguishing or preventing after combustion, also can blow up the dry powder simultaneously, is convenient for clear up.
Specifically, the dry powder fire extinguishing component comprises a dry powder fire extinguisher 9, a second connecting pipe 10, a second electromagnetic valve 11 and a spray pipe 12, the dry powder fire extinguisher 9 is installed at the bottom of the inner side wall of the power distribution cabinet body 1, an output pipe of the dry powder fire extinguisher 9 is connected with the second connecting pipe 10 through a connecting ring, one end, far away from the dry powder fire extinguisher 9, of the second connecting pipe 10 is fixedly connected with the second electromagnetic valve 11, and the spray pipe 12 is fixedly connected with the second electromagnetic valve 11;
the surface of the spray pipe 12 is fixedly connected with a communicating pipe 13, one end of the communicating pipe 13 is fixedly connected with an auxiliary pipe 14, and the spray pipe 12, the communicating pipe 13 and the auxiliary pipe 14 are communicated with each other.
In this embodiment, the dry powder extinguisher 9 sprays the dry powder through the second connection pipe 10 and the spray pipe 12, and the auxiliary pipe 14 can make the dry powder spray evenly, so as to extinguish fire better.
Specifically, switch board body 1's inside wall fixedly connected with check baffle 15, outlet duct 7 and shower 12 all run through check baffle 15.
In this embodiment, the partition 15 can prevent the fire from affecting the carbon dioxide extinguisher 4 and the dry powder extinguisher 9, and plays a role in isolating the temperature.
Specifically, the bottom of the inside wall of the power distribution cabinet body 1 is respectively connected with two fixing frames 16 through screws, and the inside walls of the two fixing frames 16 are respectively movably connected with the surfaces of the carbon dioxide fire extinguisher 4 and the dry powder fire extinguisher 9.
In this embodiment, two mounts 16 are spacing to carbon dioxide fire extinguisher 4 and dry powder fire extinguisher 9 respectively, prevent to appear rocking, and are fixed firm.
Specifically, purification mechanism includes purifying box 17, and primary filter 18, carbon monoxide purify layer 19 and fan 20, and purifying box 17 fixed connection is in the top of switch board body 1, and primary filter 18 and carbon monoxide purify the inside of layer 19 equal activity joint at purifying box 17, and fan 20 fixed connection is in the inside of purifying box 17, and purifying box 17 passes through breather valve 21 and switch board body 1's inside intercommunication.
In this embodiment, the primary filter 18 can filter the dry powder and impurities, and the carbon monoxide purifying layer 19 can convert carbon monoxide into carbon dioxide, thereby reducing pollution.
Specifically, the control part includes control box 22 and controller 23, and controller 23 fixed connection is at the top of switch board body 1, and control box 22 sets up the inside at controller 23.
In this embodiment, the controller 23 is used to control the on/off of the first solenoid valve 6, the second solenoid valve 11 and the vent valve 21, so as to extinguish fire and purify fire.
A use method of an automatic fire extinguishing mechanism for a power distribution cabinet comprises the following steps:
s1, a sensor 3 receives a fire signal and transmits the signal to a control part, and the control part enables a dry powder extinguishing part to work to extinguish a fire of a power distribution cabinet body 1;
s2, stopping the dry powder extinguishing component, controlling the carbon dioxide extinguishing component to work by the control component, carrying out secondary extinguishment on the interior of the power distribution cabinet body 1, and cleaning dry powder;
and S3, the control component controls the purification mechanism to work, and dry powder blown up by carbon dioxide and toxic gas generated by insufficient combustion are sucked out and purified from the interior of the power distribution cabinet body 1.
When the dry powder fire extinguisher cabinet is used, the carbon dioxide fire extinguisher 4 and the dry powder fire extinguisher 9 are respectively plugged into the two fixing frames 16, the two fixing frames 16 are both installed at the bottom of the inner side wall of the power distribution cabinet body 1 through screws, then the carbon dioxide fire extinguisher 4 is connected with one end of the first connecting pipe 5 through a connecting ring, an internal thread is arranged inside the connecting ring, an internal thread is arranged on the surface of the first connecting pipe 5, an output pipe of the carbon dioxide fire extinguisher 4 is inserted into the first connecting pipe 5 and is fixed through the connecting ring, similarly, the dry powder fire extinguisher 9 is connected with the second connecting pipe 10 through another connecting ring, the cabinet door 2 is closed, the sensor 3 can detect the temperature inside the power distribution cabinet body 1, the sensor 3 can use a temperature and smoke sensing sensor to monitor the inside the power distribution cabinet body 1, when a fire signal is monitored, the controller 23 acts to open the second electromagnetic valve 11, the dry powder fire extinguisher 9 conveys dry powder into the spray pipe 12 through the second connecting pipe 10, the spray pipe 12 is connected with an auxiliary pipe 14 through a communication pipe 13, the spray pipe 12 and the auxiliary pipe 14 are communicated, so that the dry powder fire extinguishes can be uniformly sprayed on the inside the power distribution cabinet body 1 without difference;
after the dry powder extinguishment is finished, no matter whether sparks exist in the power distribution cabinet body 1 or not, the controller 23 enables the carbon dioxide extinguishment component to work, the first electromagnetic valve 6 is opened, carbon dioxide enters the inside of the air outlet pipe 7 through the first connecting pipe 5, then the carbon dioxide is sent into the inside of the air guide box 8 through the air outlet of the air guide box, the two air guide boxes 8 are arranged and are symmetrically arranged on two sides of the air outlet pipe 7, the carbon dioxide can uniformly enter the inside of the power distribution cabinet body 1 through the air outlet in the air guide box 8, the inside of the power distribution cabinet body 1 is filled with the carbon dioxide, the fire can be extinguished or the reignition can be prevented, meanwhile, the dry powder can be blown up by airflow, the controller 23 enables the air vent valve 21 to be opened, the fan 20 is started, the fan 20 extracts air in the power distribution cabinet body 1, the dry powder enters the inside of the purification box 17 along with the airflow, the primary filter 18 can filter the dry powder firstly, the dry powder is filtered, particles generated by combustion are filtered, due to incomplete combustion, carbon monoxide toxic gas exists in the inside of the power distribution cabinet body 1, the carbon monoxide purification layer 19 is converted into carbon dioxide, and finally discharged, the carbon dioxide is reduced by adopting a spherical catalyst, and the spherical catalyst, the environmental pollution can be reduced by adopting the Zr for catalyzing and the carbon monoxide;
the top cap of purifying box 17 can be dismantled, and the inside of purifying box 17 is provided with the screens, can purify 19 joints in layer with primary filter 18, carbon monoxide, and it is convenient for fix, and the inside check baffle 15 of switch board body 1 can prevent that the spark from causing the influence to carbon dioxide fire extinguisher 4 and dry powder fire extinguisher 9, has isolated thermal effect, and control box 22 can protect controller 23.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (10)

1. The utility model provides a power distribution cabinet is automatic fire extinguishing mechanism for cabinet, includes switch board body (1) and installs cabinet door (2) on switch board body (1), its characterized in that: a carbon dioxide fire extinguishing component and a dry powder fire extinguishing component are respectively arranged inside the power distribution cabinet body (1), and a sensor (3) is fixedly connected to the top of the inner side wall of the power distribution cabinet body (1);
the top of switch board body (1) is provided with the purification mechanism who is used for purifying harmful gas, the top of switch board body (1) is provided with the control unit who is used for controlling carbon dioxide part of putting out a fire, dry powder part of putting out a fire accuse and purification mechanism.
2. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 1, characterized in that: the carbon dioxide fire extinguishing component comprises a carbon dioxide fire extinguisher (4), a first connecting pipe (5), a first electromagnetic valve (6) and an air outlet pipe (7), the bottom of the inner side wall of the power distribution cabinet body (1) is installed on the carbon dioxide fire extinguisher (4), the output pipe of the carbon dioxide fire extinguisher (4) is connected with the first connecting pipe (5) through a connecting ring, one end of the first connecting pipe (5) far away from the carbon dioxide fire extinguisher (4) is fixedly connected with the first electromagnetic valve (6), and the air outlet pipe (7) is fixedly connected with the first electromagnetic valve (6).
3. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 2, characterized in that: the air outlet of the air outlet pipe (7) is fixedly connected with an air guide box (8), and an air outlet is formed in the surface of the air guide box (8).
4. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 1, characterized in that: the dry powder fire extinguishing component comprises a dry powder fire extinguisher (9), a second connecting pipe (10), a second electromagnetic valve (11) and a spray pipe (12), the dry powder fire extinguisher (9) is installed at the bottom of the inner side wall of the power distribution cabinet body (1), an output pipe of the dry powder fire extinguisher (9) is connected with the second connecting pipe (10) through a connecting ring, one end, far away from the dry powder fire extinguisher (9), of the second connecting pipe (10) is fixedly connected with the second electromagnetic valve (11), and the spray pipe (12) is fixedly connected with the second electromagnetic valve (11).
5. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 4, characterized in that: the surface fixed connection of spray pipe (12) is connected with communicating pipe (13), the one end fixed connection of communicating pipe (13) is connected with auxiliary pipe (14), spray pipe (12), communicating pipe (13) and auxiliary pipe (14) inside are linked together.
6. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 2 or 4, characterized in that: the inside wall fixedly connected with check baffle (15) of switch board body (1), check baffle (15) are all run through in outlet duct (7) and spray pipe (12).
7. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 2 or 4, characterized in that: the bottom of switch board body (1) inside wall is connected with two mounts (16) respectively through the screw, two the inside wall of mount (16) is respectively with the surface swing joint of carbon dioxide fire extinguisher (4) and dry powder fire extinguisher (9).
8. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 1, characterized in that: purification mechanism includes purifying box (17), primary filter (18), and carbon monoxide purifies layer (19) and fan (20), purifying box (17) fixed connection is at the top of switch board body (1), primary filter (18) and carbon monoxide purify the inside of layer (19) equal activity joint at purifying box (17), fan (20) fixed connection is in the inside of purifying box (17), purifying box (17) are through the inside intercommunication of breather valve (21) and switch board body (1).
9. The automatic fire extinguishing mechanism for the power distribution cabinet according to claim 1, characterized in that: the control part comprises a control box (22) and a controller (23), the controller (23) is fixedly connected to the top of the power distribution cabinet body (1), and the control box (22) is arranged inside the controller (23).
10. The utility model provides a power distribution cabinet is with automatic fire extinguishing mechanism's application method which characterized in that: the method comprises the following steps:
s1, a sensor (3) receives a fire signal and transmits the signal to a control component, and the control component enables a dry powder extinguishing component to work to extinguish a fire of a power distribution cabinet body (1);
s2, stopping the dry powder extinguishing component, controlling the carbon dioxide extinguishing component to work by the control component, carrying out secondary extinguishment on the interior of the power distribution cabinet body (1), and cleaning dry powder;
and S3, the control component controls the purification mechanism to work, and dry powder blown up by carbon dioxide and toxic gas generated by insufficient combustion are sucked out and purified from the inside of the power distribution cabinet body (1).
CN202210951232.XA 2022-08-09 2022-08-09 Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof Pending CN115313171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210951232.XA CN115313171A (en) 2022-08-09 2022-08-09 Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210951232.XA CN115313171A (en) 2022-08-09 2022-08-09 Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof

Publications (1)

Publication Number Publication Date
CN115313171A true CN115313171A (en) 2022-11-08

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ID=83860747

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Application Number Title Priority Date Filing Date
CN202210951232.XA Pending CN115313171A (en) 2022-08-09 2022-08-09 Automatic fire extinguishing mechanism for power distribution cabinet and use method thereof

Country Status (1)

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CN (1) CN115313171A (en)

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