CN110787392A - Fire extinguishing mechanism of power distribution cabinet - Google Patents
Fire extinguishing mechanism of power distribution cabinet Download PDFInfo
- Publication number
- CN110787392A CN110787392A CN201911159743.2A CN201911159743A CN110787392A CN 110787392 A CN110787392 A CN 110787392A CN 201911159743 A CN201911159743 A CN 201911159743A CN 110787392 A CN110787392 A CN 110787392A
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- CN
- China
- Prior art keywords
- switch board
- dry powder
- power distribution
- distribution cabinet
- fire extinguishing
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 57
- 238000009826 distribution Methods 0.000 title claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 35
- 238000013016 damping Methods 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 8
- 241000883990 Flabellum Species 0.000 claims description 6
- 229940098458 powder spray Drugs 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance 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
- 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
- A62C99/0045—Methods of extinguishing or preventing the spread of fire by cooling down or suffocating the flames using solid substances, e.g. sand, ashes; using substances forming a crust
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- 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 discloses a fire extinguishing mechanism of a power distribution cabinet, which comprises a power distribution cabinet, a damping mechanism for reducing vibration and a heat dissipation mechanism for dissipating heat, wherein the damping mechanism is installed at the bottom of the power distribution cabinet, the heat dissipation mechanism is arranged on one side of the power distribution cabinet, the fire extinguishing mechanism for treating fire and an alarm power-off mechanism for reminding and protecting are also included, the fire extinguishing mechanism comprises an installation base, a fixed base, a dry powder tank, a normally open switch, a dry powder pipeline and a dry powder spray head, the installation base is welded on one side of the power distribution cabinet, the fixed base is arranged above the installation base, the dry powder tank is installed on the installation base and the fixed base, the normally open switch is connected to the upper end of the dry powder tank, the normally open switch is communicated with the dry powder spray head installed in. The beneficial effects are as follows: can effectively warn and catch fire and effectively put out a fire, effectively protect switch board safety.
Description
Technical Field
The invention relates to the technical field of power distribution cabinet equipment, in particular to a fire extinguishing mechanism of a power distribution cabinet.
Background
The power distribution cabinet is a cabinet which is formed by processing steel materials and used for protecting components and parts to normally work, is wide in application range and is mainly used for the chemical industry, the environmental protection industry, the power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like. The existing fire extinguishing mechanism of the power distribution cabinet is high in cost, a worker is required to check the fire extinguisher regularly, the workload is increased, the operation is troublesome, the use is inconvenient, and the power distribution cabinet cannot be powered off immediately after a fire happens to cause a larger disaster.
Disclosure of Invention
The invention aims to solve the problems that the existing fire extinguishing mechanism for the power distribution cabinet is high in cost, a worker is required to check the fire extinguisher regularly, the workload is increased, the operation is troublesome, the use is inconvenient, and the power distribution cabinet cannot be powered off immediately after a fire happens, so that a larger disaster is caused.
The invention realizes the purpose through the following technical scheme:
the utility model provides a fire extinguishing mechanism of switch board, includes the switch board, is used for reducing the damper of vibrations and is used for radiating heat dissipation mechanism, install the switch board bottom damper, switch board one side is provided with heat dissipation mechanism, still including the alarm outage mechanism that is used for handling the fire extinguishing mechanism of conflagration and is used for reminding and protecting, fire extinguishing mechanism is including installation base, fixing base, dry powder jar, normally open switch, dry powder pipeline, dry powder shower nozzle, the welding of installation base switch board one side, installation base top is provided with the fixing base, the installation base with install on the fixing base dry powder jar, dry powder jar upper end is connected with normally open switch, normally open switch passes through dry powder pipeline intercommunication is installed in the switch board dry powder shower nozzle, alarm outage mechanism includes smoke transducer, the dry powder shower nozzle of dry powder pipeline intercommunication is installed, alarm outage, Alarm lamp, relay, electric wire, plug, smoke transducer installs the switch board is inboard, the alarm lamp passes through bolted connection on the switch board top, the relay is installed on the switch board inside wall, the relay passes through electric wire connection has the plug.
Preferably, the damping mechanism comprises a bottom plate, a damping cylinder, a telescopic rod and a supporting plate, the damping cylinder is arranged on the bottom plate, the telescopic rod is connected above the damping cylinder, the supporting plate is welded at the upper end of the telescopic rod, and the supporting plate is connected with the power distribution cabinet through bolts.
So set up, the bottom plate is effectively grabbed ground, the vibrations that the switch board produced are passed through the backup pad is transmitted for damping cylinder finally passes through damping cylinder unloads.
Preferably, the damping mechanism comprises a foot cup, a damping spring and a supporting rod, the supporting rod is connected to the lower portion of the power distribution cabinet through threads, the foot cup is welded to the bottom end of the supporting rod, and the damping spring is sleeved outside the supporting rod.
So set up, the foot cup is effectively grabbed ground, the vibrations of the production of switch board are transmitted for the bracing piece, the bracing piece will vibrate the transmission again and give damping spring, by damping spring will vibrate and unload.
Preferably, the power distribution cabinet comprises an electric box, an access door, a door handle, a socket opening and an electrical component, the access door is connected to the front side of the electric box through a hinge, the door handle is arranged on the access door, the socket opening is arranged on the rear side of the electric box, the plug is embedded into the socket opening, and the electrical component is arranged inside the electric box.
So set up, the access door conveniently is used for overhauing.
Preferably, the heat dissipation mechanism includes heat dissipation case, shutter, mounting panel, motor, flabellum, filter screen, the heat dissipation case welding is in switch board one side, heat dissipation case one side has through bolted connection the shutter, the welding is in the heat dissipation incasement the mounting panel, install mounting panel one side the motor, the output of motor is connected the flabellum, the filter screen is installed heat dissipation case one side.
So set up, motor work drives the flabellum rotates to air current flow with higher speed for heat exchange effectively reduces the temperature in the switch board avoids the conflagration to take place.
Compared with the prior art, the invention has the following beneficial effects:
1. the fire extinguishing mechanism is used for extinguishing fire of the power distribution cabinet on fire, and dry powder is used for extinguishing fire, so that damage of the fire to the power distribution cabinet is reduced to the maximum extent;
2. utilize alarm outage mechanism to carry out conflagration warning and outage processing, reduce the subsequent harm of conflagration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment 1 of a fire extinguishing mechanism of a power distribution cabinet according to the invention;
fig. 2 is a schematic structural diagram of an embodiment 2 of the fire extinguishing mechanism of the power distribution cabinet;
fig. 3 is a cross-sectional view of an embodiment 1 of the fire extinguishing mechanism of the power distribution cabinet according to the invention;
fig. 4 is a cross-sectional view of embodiment 2 of the fire extinguishing mechanism of the power distribution cabinet according to the invention;
fig. 5 is a side sectional view of embodiment 1 of the fire extinguishing mechanism of the power distribution cabinet according to the invention;
fig. 6 is a side sectional view of embodiment 2 of the fire extinguishing mechanism of the power distribution cabinet according to the invention.
The reference numerals are explained below:
1. a power distribution cabinet; 11. an electric box; 12. an access door; 13. a door handle; 14. a socket port; 15. an electrical component; 2. a heat dissipation mechanism; 21. a heat dissipation box; 22. a blind window; 23. mounting a plate; 24. a motor; 25. a fan blade; 26. a filter screen; 3. a fire extinguishing mechanism; 31. installing a base; 32. a fixed seat; 33. a dry powder tank; 34. a normally open switch; 35. a dry powder conduit; 36. a dry powder spray head; 4. an alarm power-off mechanism; 41. a smoke sensor; 42. an alarm lamp; 43. a relay; 44. an electric wire; 45. a plug; 5. a damping mechanism; 51. a base plate; 52. a damping cylinder; 53. a telescopic rod; 54. a support plate; 511. a foot cup; 512. a damping spring; 513. a support rod.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. 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 be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be further described with reference to the accompanying drawings in which:
the utility model provides a fire extinguishing mechanism of switch board, including switch board 1, a damper 5 for reducing vibrations and be used for radiating heat dissipation mechanism 2, damper 5 is installed to switch board 1 bottom, 11 one side of switch board is provided with heat dissipation mechanism 2, still including the alarm outage mechanism 4 that is used for handling the fire extinguishing mechanism 3 of conflagration and is used for reminding and protecting, fire extinguishing mechanism 3 is including installing base 31, fixing base 32, dry powder jar 33, normally open switch 34, dry powder pipeline 35, dry powder shower nozzle 36, installation base 31 welding switch board 11 one side, installation base 31 top is provided with fixing base 32, install dry powder jar 33 on installation base 31 and the fixing base 32, dry powder jar 33 upper end is connected with normally open switch 34, the blowout of normally open switch 34 control dry powder, normally open switch 34 communicates dry powder shower nozzle 36 of installing in switch board 1 through dry powder pipeline 35, alarm outage mechanism 4 includes smoke transducer 41, alarm lamp 42, relay 43, electric wire 44, plug 45, smoke transducer 41 installs at switch board 1 inboard, and alarm lamp 42 passes through bolted connection on switch board 1 top, and relay 43 installs on switch board 1 inside wall, and relay 43 can cut off the power fast, and relay 43 is connected with plug 45 through electric wire 44.
Example 1
As shown in fig. 1, 3 and 5, the damping mechanism 5 includes a bottom plate 51, a damping cylinder 52, an expansion link 53 and a support plate 54, the damping cylinder 52 is disposed on the bottom plate 51, the expansion link 53 is connected above the damping cylinder 52, the support plate 54 is welded on the upper end of the expansion link 53, the support plate 54 is connected to the power distribution cabinet 1 through a bolt, the power distribution cabinet 1 includes an electric box 11, an access door 12, a door handle 13, a socket 14 and an electrical component 15, the access door 11 is connected to the front side of the electric box 11 through a hinge, the door handle 13 is disposed on the access door 12, the socket 14 is disposed on the rear side of the electric box 11, a plug 45 is embedded into the socket 14, the electrical component 15 is disposed inside the electric box 11, the heat dissipation mechanism 2 includes a heat dissipation box 21, a louver 22, a mounting plate 23, a motor 24, a fan blade 25 and, the mounting panel 23 is welded in the heat dissipation box 21, the motor 24 is installed on one side of the mounting panel 23, the output end of the motor 24 is connected with the fan blades 25, the filter screen 26 is installed on one side of the heat dissipation box 21, and the shutter 22 and the filter screen 26 can prevent external sundries from entering the power distribution cabinet 1.
The working principle and the using process are as follows: during the installation of switch board 1, bottom plate 51 is effectively grabbed the ground, the vibrations that switch board 1 produced are passed through backup pad 54 and are transmitted for damping cylinder 52, finally unload through damping cylinder 52, switch board 1 during operation, motor 24 rotates and drives flabellum 25 and rotate, it flows to drive the air, reduce the temperature in switch board 1, effectively prevent switch board 1 from being on fire, when switch board 1 is on fire, smoke transducer 41 receives the response, warning light 42 lights, because relay 43 is used as the power off, normally open switch 34 is opened, dry powder in dry powder jar 33 is carried dry powder shower nozzle 36 blowout by dry powder pipeline 35 and is put out a fire.
Example 2
As shown in fig. 2, 4 and 6, the difference between the embodiment 2 and the embodiment 1 is that the bottom plate 51, the damping cylinder 52, the telescopic rod 53 and the support plate 54 are replaced by the foot cup 511, the damping spring 512 and the support rod 513, when the power distribution cabinet 1 is used, the foot cup 511 effectively grabs the ground, the vibration generated by the power distribution cabinet 1 is transmitted to the support rod 513, the support rod 513 transmits the vibration to the damping spring 512, and the vibration is removed by the damping spring 512.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (5)
1. The utility model provides a fire extinguishing mechanism of switch board, includes switch board (1), damper (5) and heat dissipation mechanism (2), install switch board (1) bottom damper (5), switch board (11) one side is provided with heat dissipation mechanism (2), its characterized in that: still including fire extinguishing mechanism (3) and alarm outage mechanism (4), fire extinguishing mechanism (3) is including installation base (31), fixing base (32), dry powder jar (33), normally open switch (34), dry powder pipeline (35), dry powder shower nozzle (36), installation base (31) welding switch board (11) one side, installation base (31) top is provided with fixing base (32), installation base (31) with install on fixing base (32) dry powder jar (33), dry powder jar (33) upper end is connected with normally open switch (34), normally open switch (34) are passed through dry powder pipeline (35) intercommunication is installed in switch board (1) dry powder shower nozzle (36), alarm outage mechanism (4) include smoke transducer (41), alarm lamp (42), relay (43), Electric wire (44), plug (45), smoke transducer (41) are installed switch board (1) are inboard, alarm lamp (42) are through bolted connection on switch board (1) top, relay (43) are installed on switch board (1) inside wall, relay (43) pass through electric wire (44) are connected with plug (45).
2. The fire extinguishing mechanism of the power distribution cabinet according to claim 1, characterized in that: damper (5) include bottom plate (51), damping cylinder (52), telescopic link (53), backup pad (54), be provided with on bottom plate (51) damping cylinder (52), damping cylinder (52) top is connected with telescopic link (53), the welding of telescopic link (53) upper end has backup pad (54), backup pad (54) pass through bolted connection switch board (1).
3. The fire extinguishing mechanism of the power distribution cabinet according to claim 1, characterized in that: damping mechanism (5) are including foot cup (511), damping spring (512), bracing piece (513), there is bracing piece (513) switch board (1) below through threaded connection, the welding of bracing piece (513) bottom has foot cup (511), the outer cup joint of bracing piece (513) has damping spring (512).
4. The fire extinguishing mechanism of the power distribution cabinet according to claim 1, characterized in that: the power distribution cabinet (1) comprises an electric box (11), an access door (12), a door handle (13), a socket opening (14) and an electrical component (15), wherein the front side of the electric box (11) is connected with the access door (12) through a hinge, the door handle (13) is arranged on the access door (12), the socket opening (14) is arranged on the rear side of the electric box (11), a plug (45) is embedded into the socket opening (14), and the electrical component (15) is arranged inside the electric box (11).
5. The fire extinguishing mechanism of the power distribution cabinet according to claim 1, characterized in that: radiating mechanism (2) is including heat dissipation case (21), shutter (22), mounting panel (23), motor (24), flabellum (25), filter screen (26), heat dissipation case (21) welding is in switch board (1) one side, there is shutter (22) heat dissipation case (21) one side through bolted connection, the welding has in heat dissipation case (21) mounting panel (23), install mounting panel (23) one side motor (24), the output of motor (24) is connected flabellum (25), install filter screen (26) heat dissipation case (21) one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159743.2A CN110787392A (en) | 2019-11-22 | 2019-11-22 | Fire extinguishing mechanism of power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911159743.2A CN110787392A (en) | 2019-11-22 | 2019-11-22 | Fire extinguishing mechanism of power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110787392A true CN110787392A (en) | 2020-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911159743.2A Pending CN110787392A (en) | 2019-11-22 | 2019-11-22 | Fire extinguishing mechanism of power distribution cabinet |
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| Country | Link |
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| CN (1) | CN110787392A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354118A (en) * | 2020-11-25 | 2021-02-12 | 湖南鹏羽信息科技有限公司 | Cross capacity processing device for internet information equipment and implementation method |
| CN114588571A (en) * | 2022-02-24 | 2022-06-07 | 李有期 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090188682A1 (en) * | 2006-10-09 | 2009-07-30 | Minimax Gmbh & Co. Kg | Fire extinguishing system for a casing |
| CN206757828U (en) * | 2017-03-13 | 2017-12-15 | 许波 | A kind of electrical control cabinet fire monitoring prior-warning device |
| CN208493052U (en) * | 2018-06-29 | 2019-02-15 | 武利华 | A kind of electric automatization control cabinet |
| CN208540308U (en) * | 2018-07-16 | 2019-02-22 | 昆明网锦科技有限公司 | A kind of computer room equipment cabinet |
| CN209461885U (en) * | 2019-04-01 | 2019-10-01 | 山东骏能电气设备有限公司 | A kind of power distribution cabinet |
| CN212914285U (en) * | 2019-11-22 | 2021-04-09 | 广州市顺承电气设备有限公司 | Fire extinguishing mechanism of power distribution cabinet |
-
2019
- 2019-11-22 CN CN201911159743.2A patent/CN110787392A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090188682A1 (en) * | 2006-10-09 | 2009-07-30 | Minimax Gmbh & Co. Kg | Fire extinguishing system for a casing |
| CN206757828U (en) * | 2017-03-13 | 2017-12-15 | 许波 | A kind of electrical control cabinet fire monitoring prior-warning device |
| CN208493052U (en) * | 2018-06-29 | 2019-02-15 | 武利华 | A kind of electric automatization control cabinet |
| CN208540308U (en) * | 2018-07-16 | 2019-02-22 | 昆明网锦科技有限公司 | A kind of computer room equipment cabinet |
| CN209461885U (en) * | 2019-04-01 | 2019-10-01 | 山东骏能电气设备有限公司 | A kind of power distribution cabinet |
| CN212914285U (en) * | 2019-11-22 | 2021-04-09 | 广州市顺承电气设备有限公司 | Fire extinguishing mechanism of power distribution cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354118A (en) * | 2020-11-25 | 2021-02-12 | 湖南鹏羽信息科技有限公司 | Cross capacity processing device for internet information equipment and implementation method |
| CN114588571A (en) * | 2022-02-24 | 2022-06-07 | 李有期 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
| CN114588571B (en) * | 2022-02-24 | 2022-10-11 | 芜湖金牛电气股份有限公司 | Electric power cabinet emergency protection device with fire prevention and flame retardation functions |
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