CN113750405A - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
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- CN113750405A CN113750405A CN202111087711.3A CN202111087711A CN113750405A CN 113750405 A CN113750405 A CN 113750405A CN 202111087711 A CN202111087711 A CN 202111087711A CN 113750405 A CN113750405 A CN 113750405A
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- Prior art keywords
- fire
- fire extinguishing
- cabinet body
- cabinet
- storage
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- 239000000463 material Substances 0.000 claims abstract description 88
- 238000001514 detection method Methods 0.000 claims description 33
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000001502 supplementing effect Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 239000013589 supplement Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 239000007921 spray Substances 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 17
- 230000008901 benefit Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000006052 feed supplement Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- 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
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- 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
- A62C37/42—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 mechanical connection between sensor and actuator, e.g. rods, levers
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of power equipment, and discloses a power distribution cabinet, which comprises a cabinet body; the spraying opening of the first fire extinguishing assembly is positioned in the cabinet body; the second subassembly of putting out a fire, including hollow storage spare, the built-in material of putting out a fire that is equipped with of storage spare is provided with the discharge gate rather than the inner chamber intercommunication on the storage spare, and the discharge gate is located the cabinet internally, and the discharge gate can be opened. When a fire breaks out, the first fire extinguishing assembly is started, and the fire extinguishing assembly sprays fire extinguishing points in the cabinet body through the spraying ports of the first fire extinguishing assembly. Meanwhile, the fire extinguishing materials stored in the storage piece can flow into the cabinet body from the discharge port and cover the fire point. The fire extinguishing material can isolate the oxygen circulation at the fire point, thereby effectively promoting the fire source at the fire point to extinguish. The first subassembly of putting out a fire and the second subassembly of putting out a fire can put out a fire to the department of being struck fire simultaneously, play dual effect of putting out a fire, and fire control effect is good, and labour saving and time saving has effectively reduced because economic loss and the human consumption that equipment caused on fire.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a power distribution cabinet.
Background
The power distribution cabinet is a facility for intensively and effectively managing power distribution in order to ensure safe and stable operation of a power grid and realize reliable power supply to the outside, and has the characteristics of small volume, simple and convenient installation steps, unlimited installation site, stable and reliable operation, high space utilization rate and the like, so that the power distribution cabinet is widely used in a power grid system.
However, because the power distribution cabinet is always in a relatively sealed environment in the long-term operation process, heat in the cabinet body cannot be dissipated in time, and the power distribution cabinet can also generate electric arcs or sparks in the use process, and the influence of long-term high-temperature factors is combined, so that the power distribution cabinet is extremely easy to cause spontaneous combustion to cause fire, and huge potential safety hazards exist.
The emergence of current switch board in order to prevent the conflagration generally all can set up extinguishing device in the switch board, for example dry powder fire extinguisher, carbon dioxide fire extinguisher etc to put out a fire to the ignition when appearing spontaneous combustion in the switch board. However, the capacity of the common fire extinguisher configured on the power distribution cabinet is limited, the fire extinguishing effect is limited, and sometimes professional workers are required to perform secondary fire extinguishing, so that time and labor are wasted, and great economic loss and labor consumption are caused.
Disclosure of Invention
The invention aims to provide a power distribution cabinet, which can effectively extinguish a fire source at a fire point when a fire breaks out, has a good fire extinguishing effect, saves time and labor, and effectively reduces economic loss and labor consumption caused by equipment fire breaking out.
In order to achieve the purpose, the invention adopts the following technical scheme:
a power distribution cabinet, comprising:
a cabinet body;
the spraying opening of the first fire extinguishing assembly is positioned in the cabinet body;
the second fire extinguishing assembly comprises a hollow storage piece, fire extinguishing materials are arranged in the storage piece, a discharge port communicated with an inner cavity of the storage piece is formed in the storage piece, the discharge port is located in the cabinet body, and the discharge port can be opened.
Optionally, the second subassembly of putting out a fire still includes the driving piece, the stiff end of driving piece with the cabinet body links to each other, the output of driving piece with the storage spare links to each other, the driving piece can drive the storage spare rotates.
Optionally, the storage member is cylindrical, the storage member is driven by the driving member to rotate around an axial axis of the storage member, and the plurality of discharge holes are arranged at intervals along the circumferential direction of the storage member.
Optionally, the second fire extinguishing assembly further comprises a transmission gear set, and the driving piece is in transmission connection with the storage piece through the transmission gear set.
Optionally, the second subassembly of putting out a fire still includes the benefit material spare, the benefit material spare is hollow structure, the inner chamber of benefit material spare is stored the material of putting out a fire, the inner chamber of benefit material spare can with the inner chamber intercommunication of storage spare.
Optionally, the feed supplement piece set up in the outside of the cabinet body, the storage spare set up in the inboard of the cabinet body, the switch board still includes the conveying pipeline, first through-hole has been seted up on the cabinet body, the conveying pipeline wears to establish first through-hole, the one end of conveying pipeline with the inner chamber intercommunication of storage spare, the other end with the inner chamber intercommunication of feed supplement piece.
Optionally, the first fire extinguishing assembly comprises a tank body, the tank body is arranged on the outer side of the cabinet body, the power distribution cabinet further comprises a protective cover, and the protective cover covers the tank body and the material supplementing piece.
Optionally, the first fire extinguishing assembly comprises a dry powder extinguisher.
Optionally, the fire suppressant material comprises sand.
Optionally, the fire extinguishing cabinet further comprises a detection assembly, the detection assembly is arranged in the cabinet body and configured to detect whether a fire is in the cabinet body, and the detection assembly is electrically connected with the first fire extinguishing assembly and the second fire extinguishing assembly respectively.
The invention has the beneficial effects that:
according to the power distribution cabinet provided by the invention, the jet orifice of the first fire extinguishing assembly and the discharge hole of the second fire extinguishing assembly are arranged in the cabinet body. During long-term use, when the electric elements in the cabinet body are subjected to spontaneous combustion, the first fire extinguishing assembly is started, and the fire extinguishing assembly sprays fire extinguishing points in the cabinet body through the spraying ports of the first fire extinguishing assembly. Meanwhile, the fire extinguishing materials stored in the storage piece can flow into the cabinet body from the discharge port and cover the fire point. The fire extinguishing material can isolate the oxygen circulation at the fire point, thereby effectively promoting the fire source at the fire point to extinguish. In the power distribution cabinet, the first fire extinguishing assembly and the second fire extinguishing assembly can extinguish fire at fire points simultaneously, so that the double-fire extinguishing effect is achieved, the fire extinguishing effect is good, time and labor are saved, and economic loss and labor consumption caused by equipment fire are effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a power distribution cabinet (hiding electrical components in a cabinet) according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power distribution cabinet (hidden protective cover) according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a second fire suppression assembly according to an embodiment of the present invention;
fig. 4 is a partial structural schematic view of a second fire extinguishing assembly provided by the first embodiment of the invention.
In the figure:
1. a cabinet body;
2. a first fire extinguishing assembly; 21. a spray head;
3. a second fire extinguishing assembly; 31. a material storage member; 311. a discharge port; 312. a first switch; 313. a discharge pipe; 32. a drive member; 33. a drive gear set; 331. an input gear; 332. an output gear; 333. an input shaft; 34. a material supplementing part; 341. a second switch; 342. a delivery pipe; 35. a mounting member; 36. a support member;
41. a smoke detection member; 42. a temperature detection member;
5. a shield.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Example one
The power distribution cabinet is the final-stage equipment of a power distribution system, and electric power operation and maintenance personnel usually assemble electrical elements such as switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal power distribution cabinet.
This embodiment provides a switch board, can effectively put out the fire source of ignition point department when on fire in the switch board, and fire control effect is good, labour saving and time saving. Specifically, as shown in fig. 1 and fig. 2, the power distribution cabinet provided by the present embodiment includes a cabinet body 1, a first fire extinguishing assembly 2, and a second fire extinguishing assembly 3.
Wherein, the cabinet body 1 is internally provided with electric elements. The first fire extinguishing assembly 2 comprises a spray head 21, and spray openings are arranged on the spray head 21. The ejection port is located inside the cabinet 1 and configured to extinguish a fire in the cabinet 1. The second fire extinguishing module 3 comprises a hollow storage member 31, and fire extinguishing materials are filled in the storage member 31. The storage member 31 is provided with a discharge port 311 communicated with the inner cavity thereof, the discharge port 311 is located in the cabinet body 1 and can be opened, so that the fire extinguishing material can flow into the cabinet body 1 from the discharge port 311, and the fire source in the cabinet body 1 is extinguished. In this embodiment, first subassembly 2 and the second subassembly 3 of putting out a fire can put out a fire to ignition point department simultaneously, plays the effect of dual fire extinguishing, and the fire control effect is good, and labour saving and time saving has effectively reduced because economic loss and the human consumption that equipment caused on fire.
Alternatively, as shown in fig. 2, the first fire extinguishing assembly 2 comprises a dry powder extinguisher. The nozzle 21 of the dry powder extinguisher extends into the cabinet body 1 of the power distribution cabinet to spray dry powder to extinguish fire to a fire point when the power distribution cabinet is on fire. Because the power distribution cabinet is internally provided with a large number of electrical elements, when the power distribution cabinet is on fire, short circuit occurs between the electrical elements very easily, and larger safety accidents are caused. The dry powder fire extinguisher can effectively extinguish the fire source at the ignition point, and the dry powder can not conduct electricity, so that the short circuit of electrical equipment can not be caused, and the protection of electrical elements in the power distribution cabinet can be favorably realized. In other embodiments, a carbon dioxide fire extinguisher may be used instead of the dry chemical fire extinguisher, which can extinguish the fire in the cabinet 1 and prevent short circuit between the electrical components.
Optionally, the fire suppressant material comprises sand. The sand can flow out from the discharge hole 311 and uniformly cover the ignition point in the cabinet body 1 under the action of centrifugal force, so that the oxygen at the ignition point is isolated from flowing and the fire source at the ignition point is extinguished. Simultaneously, sand can not cause the influence to the electric elements in the switch board, and sand convenient for material collection, and is with low costs, easily staff's operation is used.
Optionally, as shown in fig. 1, a detection assembly is disposed in the cabinet 1, and the detection assembly is configured to detect whether a fire is in the cabinet 1. Detection component is connected with first subassembly 2 and the 3 electricity of putting out a fire of second respectively to send a signal to first subassembly 2 and the 3 subassemblies that put out a fire of second when detecting the inside of the cabinet body 1 and catching a fire, first subassembly 2 and the 3 starts of putting out a fire of second put out a fire, put out a fire to the point of putting on fire in the cabinet body 1.
Optionally, in this embodiment, the detection component includes a smoke detector 41 and a temperature detector 42. The smoke detection part 41 judges whether the cabinet body 1 is on fire or not by monitoring the smoke concentration in the cabinet body 1, and if the smoke concentration in the cabinet body 1 reaches a preset fire smoke value, the fire is confirmed. The temperature detection piece 42 judges whether the cabinet body 1 is on fire or not by detecting the ambient temperature in the power distribution cabinet, and confirms that the cabinet is on fire when the ambient temperature in the cabinet body 1 reaches the preset on fire temperature. In this embodiment, only when the fire breaks out in the cabinet 1 is judged to both smoke detector 41 and temperature detector 42, first fire extinguishing assembly 2 and second fire extinguishing assembly 3 start to put out a fire to the ignition point in the cabinet 1. Realize dual detection to the internal of cabinet 1 through smog detection piece 41 and temperature detection piece 42, improved the internal accuracy that detects that fires greatly of cabinet 1, effectively reduced determine module's misjudgement probability, reduced to a certain extent because determine module misjudgement and the material and the manpower resources consumption of putting out a fire that arouse.
Illustratively, the smoke detection part 41 can be selected as a smoke alarm, the measurement is rapid, and the measurement precision is high. The temperature detection piece 42 can be selected as a temperature sensor, so that the measurement is quick and the measurement precision is high. The smoke alarm and the temperature sensor are both common smoke detection and temperature detection devices in the field, and the specific detection process is not described herein again. Optionally, the smoke detector alarm comprises a fire indicator light and a buzzer. When the smoke alarm detects fire in the cabinet body 1, the fire indicator lamp is turned on, and the buzzer sounds to alarm.
In other embodiments, the detection assembly may comprise only the smoke detector 41 or the temperature detector 42. The condition of catching fire in the switch board can be judged equally to put out a fire to first subassembly 2 and the 3 sending signals of second subassembly of putting out a fire, so that first subassembly 2 and the 3 start-ups of putting out a fire of second subassembly of putting out a fire, put out a fire to the ignition point in the cabinet body 1.
Alternatively, as shown in fig. 1, in the present embodiment, the smoke detector 41 and the temperature detector 42 are both attached to the inner wall of the top of the cabinet 1. It will be appreciated that, in the event of a fire in the cabinet 1, the hot air flow will rise with it, carrying along with it the fumes generated by the combustion, since the density of the hot air flow is less than that of the cold air. The smoke detection part 41 and the temperature detection part 42 are arranged above, so that the detection assembly can accurately judge the fire in the cabinet body 1, the first fire extinguishing assembly 2 and the second fire extinguishing assembly 3 are started, the fire on the fire point is quickly extinguished, and the economic loss of equipment is reduced. Of course, in other embodiments, the smoke detector 41 and/or the temperature detector 42 may be disposed elsewhere in the cabinet 1; and/or, set up a plurality of smog detection pieces 41 and/or temperature detection piece 42, all can play the effect that the accurate judgement cabinet body 1 is internal to be caught fire and control first subassembly 2 and the second subassembly 3 of putting out a fire.
Optionally, as shown in fig. 2 and 3, the second fire extinguishing assembly 3 comprises a driving member 32. The fixed end of the driving member 32 is connected with the cabinet 1, the output end of the driving member 32 is connected with the storage member 31, and the driving member 32 can drive the storage member 31 to rotate. That is, when the storage member 31 is used to extinguish a fire, the driving member 32 can drive the storage member 31 to rotate, so that the fire extinguishing material is thrown out from the discharge hole 311 and covers the fire point in the cabinet 1. The fire extinguishing material can isolate the oxygen circulation at the fire point, thereby effectively promoting the fire source at the fire point to extinguish. The driving member 32 may be a motor, which has high output power, high speed, and easy control, and is beneficial to increase the fire extinguishing speed and reduce economic loss.
Optionally, the driving member 32 is electrically connected to the detection assembly. When the detection component detects that the cabinet body 1 is on fire, the driving component 32 is started, and the driving component 32 drives the storage component 31 to rotate, so as to throw out the fire extinguishing material from the discharge hole 311, and to match the first fire extinguishing component 2 to extinguish the fire source at the fire point.
Optionally, as shown in fig. 4, the second fire extinguishing assembly 3 further includes a transmission gear set 33, and the driving member 32 is in transmission connection with the storage member 31 through the transmission gear set 33. The output end of the driving member 32 is connected to the input gear 331 of the transmission gear set 33, and the output gear 332 of the transmission gear set 33 is connected to the storage member 31. The driving member 32 drives the storage member 31 to rotate around the axial axis thereof through the transmission gear set 33. Specifically, in the present embodiment, the output end of the driving member 32 is connected to the material conveying pipe 342, so as to realize the indirect connection between the output end of the driving member 32 and the material storage member 31. The driving member 32 drives the material conveying pipe 342 to rotate, so as to drive the gears in the transmission gear set 33 to mesh for transmission, and further drive the material storage member 31 to rotate around the axial axis thereof. Through gear engagement transmission, the transmission is stable, the work is reliable, the transmission efficiency is high, the service life of the device is long, and the maintenance is simple and convenient.
In other embodiments, the output end of the drive member 32 can be directly connected to the accumulator 31. The driving member 32 directly drives the material storage member 31 to rotate around the axial axis thereof, and the driving force is large and the rotating speed is high.
Optionally, the transmission gear set 33 further includes an input shaft 333, an output end of the driving element 32 is rotatably connected to one end of the input shaft 333, and the other end of the input shaft 333 is fixed to the input gear 331. The output end of the driving member 32 is connected with the input gear 331 of the transmission gear set 33 through the input shaft 333, so that the transmission is reliable, and the transmission gear set 33 is protected conveniently.
Alternatively, at least one transmission gear may be provided between the input gear 331 and the output gear 332 of the transmission gear set 33. It is advantageous to adjust the gear ratio of the drive gear set 33 and also to change the direction of rotation of the output gear 332.
Alternatively, as shown in fig. 3, the accumulator 31 has a cylindrical shape, and the accumulator 31 can rotate around its axial axis. The plurality of discharge holes 311 are arranged at intervals along the circumferential direction of the magazine 31. In the embodiment, the storage member 31 is vertically disposed in the cabinet 1, and when the storage member 31 rotates around the axial axis thereof, the fire extinguishing material flows out from the discharge hole 311 of the storage member 31. Under the action of centrifugal force, the fire extinguishing materials are uniformly sprinkled into the cabinet body 1 to cover most of ignition points in the cabinet body 1, and a better auxiliary fire extinguishing effect is achieved. In other embodiments, the storage member 31 may be rectangular parallelepiped, square or spherical, and the discharge holes 311 are spaced along the circumference of the storage member 31, so as to uniformly throw the fire extinguishing material when the storage member 31 rotates.
Alternatively, as shown in fig. 3, in the present embodiment, four discharge ports 311 are provided, and the four discharge ports 311 are spaced along the circumferential direction of the bottom of the storage piece 31. The four symmetrically distributed discharge ports 311 can ensure the rotation stability of the storage member 31, and can throw the fire extinguishing materials more uniformly and sufficiently to achieve a better fire extinguishing effect. Of course, in other embodiments, the number and the positions of the discharge ports 311 are not limited, and may be specifically selected according to actual situations.
Optionally, as shown in fig. 3, in the present embodiment, a plurality of discharging pipes 313 are arranged at intervals in the circumferential direction at the bottom of the storage piece 31, and the discharging port 311 is an opening at one end of the discharging pipe 313 far away from the storage piece 31. Meanwhile, each discharge pipe 313 is provided with a first switch 312, and the first switch 312 is electrically connected with the detection assembly. It will be understood that when the electrical components in the cabinet 1 are normally operated, the discharge opening 311 of the storage member 31 should be in a closed state, and the fire extinguishing material in the storage member 31 does not need to flow out into the cabinet 1. Not only can reduce the waste of material, still can not influence electric elements's work. When the electric element in the cabinet 1 is on fire, the detection component controls the first switch 312 to be turned on, and then the fire extinguishing material can flow into the cabinet 1 from the discharge hole 311 to extinguish the fire at the fire point in the cabinet 1. Illustratively, the first switch 312 can be selected as a solenoid valve, which is safe to use, fast to adjust, low in cost, and easy to purchase.
Optionally, as shown in fig. 3, the second fire extinguishing module 3 further comprises a supplementary material 34, and the supplementary material 34 can supplement the storage member 31 with fire extinguishing material. In this embodiment, the feeding member 34 is a hollow structure, the fire extinguishing material is stored in the inner cavity of the feeding member 34, and the inner cavity of the feeding member 34 can communicate with the inner cavity of the storage member 31. When the fire extinguishing materials in the storage member 31 are used up, the feeding member 34 can convey the fire extinguishing materials into the storage member 31, so as to ensure that the fire extinguishing materials are always stored in the storage member 31 and can cope with the spontaneous combustion of the electrical elements in the cabinet 1 at any time. Meanwhile, when the fire in the cabinet 1 is great or the fire point is not easily covered by the fire extinguishing material and the capacity of the first fire extinguishing assembly 2 is limited, the feeding member 34 can continuously feed the storage member 31, so that the storage member 31 can extinguish the fire for a long time, and the fire is completely extinguished.
Alternatively, as shown in fig. 2-3, the feeding member 34 is disposed on the outer side of the cabinet 1, and the storage member 31 is disposed on the inner side of the cabinet 1. The feeding member 34 comprises a material conveying pipe 342, a first through hole is formed in the cabinet body 1, the material conveying pipe 342 penetrates through the first through hole, one end of the material conveying pipe 342 is communicated with the inner cavity of the material storage member 31, and the other end of the material conveying pipe 342 is communicated with the inner cavity of the feeding member 34. In this embodiment, the feeding member 34 is disposed above the storage member 31 and connected to the storage member 31 via the feeding pipe 342. The fire extinguishing material can flow from the inner cavity of the feeding member 34 to the inner cavity of the storage member 31 under the action of gravity, so as to complete the supplement of the material in the storage member 31.
Further, in the present embodiment, as shown in fig. 3, a second switch 341 is disposed on the feeding pipe 342, a weight detecting member is disposed at the bottom of the storage member 31, and the second switch 341 is electrically connected to the weight detecting member. Illustratively, the weight detection piece can be a gravity sensor, and has the advantages of quick measurement and high measurement precision. When the weight detection piece detects that the fire extinguishing material in the storage piece 31 is running out, the weight detection piece can send a signal to the second switch 341 to open the second switch 341, so that the fire extinguishing material in the supplementary piece 34 can flow into the storage piece 31 along the conveying pipe 342, and when the ignition point in the cabinet body 1 of the power distribution cabinet is not completely extinguished, the fire extinguishing material is rapidly transferred to the storage piece 31 to continue extinguishing the fire. Illustratively, the second switch 341 can be selected as a solenoid valve, which is safe to use, fast to adjust, low in price and easy to purchase.
Alternatively, in the present embodiment, as shown in fig. 3, the repair material member 34 has an inverted cone shape. When the material supplementing part 34 delivers the fire extinguishing material to the material storage part 31, the inverted cone structure can facilitate the fire extinguishing material to rapidly flow into the material storage part 31 from the material delivery pipe 342, and the fire extinguishing material is not easy to remain at the bottom of the material supplementing part 34, thereby causing the waste of the material. Of course, in other embodiments, the feeding piece 34 may be a semi-sphere with an upward opening. The fire extinguishing material can be smoothly delivered to the storage member 31, and the storage member can be selected according to actual conditions, and is not limited herein.
Optionally, as shown in fig. 3 and 4, the second fire suppression assembly 3 further comprises a mounting member 35. In this embodiment, the mounting member 35 is a housing. The transmission gear set 33 is installed in the housing to isolate external environmental pollution and ensure the reliability of gear engagement. Further optionally, two second through holes are correspondingly formed in the top and the bottom of the housing, and the material conveying pipe 342 sequentially penetrates through the two second through holes and is connected with the output gear 332 of the transmission gear set 33. The housing is further provided with a third through hole, and the input shaft 333 of the transmission gear set 33 penetrates through the third through hole and is fixedly connected with the input gear 331. The mounting member 35 can provide protection to the gears of the gear train 33 to extend their useful life.
Optionally, in order to make the installation of the feeding member 34 more stable, in the present embodiment, as shown in fig. 3, a support member 36 is connected to the feeding member 34. Specifically, one end of the supporting member 36 is connected to the feeding member 34, and the other end is fixed to the mounting member 35. The supporting member 36 is provided in two, and the two supporting members 36 are symmetrically disposed. In this way, when the driving member 32 drives the material conveying pipe 342 to rotate, the supplementary material 34 can be kept relatively stable to ensure the smoothness of the flowing of the fire extinguishing material.
Optionally, the switch cabinet further comprises a protective cover 5. The first fire extinguishing assembly 2 comprises a tank body arranged on the outer side of the cabinet body 1, and a protective cover 5 covers the tank body and the material supplementing piece 34. The protective cover 5 can protect the tank body and the material supplementing piece 34, and prevent the tank body and the material supplementing piece 34 from being exposed in the external environment and aging, or being affected by weather (such as rain and wet fire extinguishing materials) to enable the fire extinguishing materials to lose efficacy, so that the fire extinguishing effect of the first fire extinguishing assembly 2 and the second fire extinguishing assembly 3 is affected.
Example two
The embodiment provides a switch board, and the difference of this embodiment and embodiment one lies in, in this embodiment, the upper surface of protection casing 5, or protection casing 5 wholly all can adopt transparent material to make, for example organic glass, transparent plastic etc. so, can enough make things convenient for the staff to observe the in service behavior of the material of putting out a fire in the material supplementing piece 34, can also play the guard action to the jar body and material supplementing piece 34.
Optionally, the protective cover 5 is detachably connected with the cabinet 1. In this embodiment, protection casing 5 and the 1 joint of the cabinet body can enough guarantee the joint strength between protection casing 5 and the cabinet body 1, and still convenient to detach is favorable to the staff to add the material of putting out a fire or regularly change the material of putting out a fire in the feed supplement piece 34 to guarantee that the material of putting out a fire can capacity, be applied to the condition on fire in the cabinet body 1 effectively.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A power distribution cabinet, characterized by comprising:
a cabinet body (1);
the jet orifice of the first fire extinguishing assembly (2) is positioned in the cabinet body (1);
the second fire extinguishing assembly (3) comprises a hollow storage piece (31), fire extinguishing materials are arranged in the storage piece (31), a discharge hole (311) communicated with an inner cavity of the storage piece (31) is formed in the storage piece (31), the discharge hole (311) is located in the cabinet body (1), and the discharge hole (311) can be opened.
2. The switch board of claim 1, characterized in that the second fire extinguishing assembly (3) further comprises a driving member (32), a fixed end of the driving member (32) is connected with the cabinet body (1), an output end of the driving member (32) is connected with the storage member (31), and the driving member (32) can drive the storage member (31) to rotate.
3. The switch cabinet according to claim 2, characterized in that the storage member (31) is cylindrical, the storage member (31) is driven by the driving member (32) to rotate around an axial axis thereof, and the plurality of discharge holes (311) are arranged at intervals along a circumferential direction of the storage member (31).
4. The electrical distribution cabinet according to claim 2, characterized in that the second fire extinguishing assembly (3) further comprises a transmission gear set (33), and the driving member (32) is in transmission connection with the storage member (31) through the transmission gear set (33).
5. The switch board of claim 1, characterized in that the second fire extinguishing assembly (3) further comprises a material supplementing piece (34), the material supplementing piece (34) is of a hollow structure, the fire extinguishing material is stored in an inner cavity of the material supplementing piece (34), and the inner cavity of the material supplementing piece (34) can be communicated with the inner cavity of the material storing piece (31).
6. The distribution cabinet according to claim 5, wherein the supplement member (34) is disposed on an outer side of the cabinet body (1), the storage member (31) is disposed on an inner side of the cabinet body (1), the distribution cabinet further comprises a material delivery pipe (342), a first through hole is formed in the cabinet body (1), the material delivery pipe (342) penetrates through the first through hole, one end of the material delivery pipe (342) is communicated with an inner cavity of the storage member (31), and the other end of the material delivery pipe is communicated with an inner cavity of the supplement member (34).
7. The electrical distribution cabinet according to claim 6, characterized in that the first fire extinguishing assembly (2) comprises a tank body disposed outside the cabinet body (1), and a protective cover (5), wherein the tank body and the supplementary material (34) are covered by the protective cover (5).
8. Electrical switchgear, according to any of the claims from 1 to 7, characterized in that said first extinguishing assembly (2) comprises a dry powder extinguisher.
9. The electrical distribution cabinet according to any one of claims 1 to 7, wherein the fire extinguishing material comprises sand.
10. The electrical distribution cabinet according to any one of claims 1 to 7, further comprising a detection assembly disposed inside the cabinet body (1) and configured to detect whether a fire is occurring inside the cabinet body (1), wherein the detection assembly is electrically connected to the first fire extinguishing assembly (2) and the second fire extinguishing assembly (3), respectively.
Priority Applications (1)
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CN202111087711.3A CN113750405A (en) | 2021-09-16 | 2021-09-16 | Power distribution cabinet |
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CN202111087711.3A CN113750405A (en) | 2021-09-16 | 2021-09-16 | Power distribution cabinet |
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Cited By (1)
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CN115548900A (en) * | 2022-10-21 | 2022-12-30 | 上海蓝箭电控设备南通有限公司 | Outdoor power distribution cabinet with high-temperature fire extinguishing function |
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Application publication date: 20211207 |