CN111755961B - Fireproof low-voltage switch cabinet - Google Patents
Fireproof low-voltage switch cabinet Download PDFInfo
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- CN111755961B CN111755961B CN202010555758.7A CN202010555758A CN111755961B CN 111755961 B CN111755961 B CN 111755961B CN 202010555758 A CN202010555758 A CN 202010555758A CN 111755961 B CN111755961 B CN 111755961B
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- fixedly arranged
- cabinet body
- outer cabinet
- fire extinguishing
- fire
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
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- 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
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- 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
- H02B1/305—Cable entries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a fireproof low-voltage switch cabinet which comprises an outer cabinet body, wherein a rotating shaft is fixedly arranged on the right side wall of the outer cabinet body, the outer cabinet body is rotatably connected with a movable window through the rotating shaft, a connecting rod is rotatably arranged on the right side of the movable window, a through groove is fixedly arranged on the right side wall of the outer cabinet body, an air guide hole is fixedly arranged at the bottom of the outer cabinet body and penetrates through the side wall of the bottom of the outer cabinet body, a sliding rail is fixedly arranged inside the outer cabinet body, a sliding block is slidably arranged at the upper part of the sliding rail, an inner cabinet is fixedly arranged at the upper part of the sliding block, a support is fixedly arranged on the inner side of the inner cabinet, a handle is fixedly arranged on the side edge of the bottom of the inner cabinet, a wire guide hole is fixedly arranged at the upper part of the outer cabinet body, and a high-temperature alarm is fixedly arranged on the right side of the upper part of the outer cabinet body. This fire prevention type low-voltage switchgear sets up the wire guide and leads to the groove and guarantee timely heat dissipation, and the design of carbon dioxide fire extinguisher and living window can extinguish its inside burning things which may cause a fire disaster fast to safety on can also ensure operating personnel's the people.
Description
Technical Field
The invention relates to the field of low-voltage cabinets, in particular to a fireproof low-voltage switch cabinet.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment. The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The product meets the standard regulation of GB7251.1-2013 low-voltage switchgear assembly (IDT IEC 60439-11999). The low-voltage switch cabinet belongs to a product listed in a 3C certification mandatory certification product catalog. The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The product meets the standard regulation of GB7251.1-2013 low-voltage switchgear assembly (IDT IEC 60439-11999). The low-voltage switch cabinet belongs to a product listed in a 3C certification mandatory certification product catalog, and has the advantages of reasonable design: performing unit design according to the electrical characteristics of various switches to form a functional unit; the structure is general, and the equipment is nimble: the C-shaped section bar meets the requirements of various structural forms, I visiting and protecting grades and using surrounding conditions; and (5) standard modules. Standard unit module structures such as protection, operation, conversion, control and the like can be formed respectively, and generation leather can be selected at will; safety protection: the isolation among the areas and the mutual isolation between the incoming line and the outgoing line of the functional unit are adopted, so that the safety protection performance is effectively enhanced; the main technical parameters are at the international leading level.
The center that will pay attention to more of current fire prevention type low-voltage cabinet is placed in the prevention, does not have corresponding prevention and first aid measure to conflagration shaping after, combines prevention and first aid each other, just can reach best conflagration prevention effect.
Disclosure of Invention
The invention aims to provide a fireproof low-voltage switch cabinet, which solves the problem that the best fire prevention effect can be achieved only by combining prevention and first aid without corresponding prevention and first aid measures after fire is formed because the existing fireproof low-voltage switch cabinet is more focused on prevention.
In order to achieve the purpose, the invention provides the following technical scheme: a fireproof low-voltage switch cabinet comprises an outer cabinet body, wherein a rotating shaft is fixedly arranged on the right side wall of the outer cabinet body, the outer cabinet body is rotatably connected with a movable window through the rotating shaft, a connecting rod is rotatably arranged on the right side of the movable window, a through groove is fixedly arranged on the right side wall of the outer cabinet body, an air guide hole is fixedly arranged at the bottom of the outer cabinet body and penetrates through the bottom side wall of the outer cabinet body, a sliding rail is fixedly arranged inside the outer cabinet body, a sliding block is slidably arranged on the upper portion of the sliding rail, an inner cabinet is fixedly arranged on the upper portion of the sliding block, a support is fixedly arranged on the inner side of the inner cabinet, a handle is fixedly arranged on the side edge of the bottom of the inner cabinet, a wire guide hole is fixedly arranged on the upper portion of the outer cabinet body, a high-temperature alarm is fixedly arranged on the right side of the upper portion of the outer cabinet body, a carbon dioxide fire extinguisher is fixedly arranged on the right side of the outer cabinet body, a fire extinguishing tube is fixedly arranged on the left side of the carbon dioxide fire extinguisher, the fire extinguishing pipe penetrates through the outer side wall of the outer cabinet body, a first fire extinguishing port and a second fire extinguishing port are fixedly arranged at the end part of the fire extinguishing pipe, a hinged shaft is fixedly arranged at the front part of the outer cabinet body, the outer cabinet body is hinged with the door body through the hinged shaft, and an observation window, a handle and a lock body are fixedly arranged on the surface of the door body.
Preferably, the air guide holes are arranged in two groups, are symmetrical about the vertical center line of the outer cabinet body and are fixedly connected with the outer cabinet body through threads.
Preferably, the through grooves are formed in the left side edge and the right side edge of the outer cabinet body, and the area of the through grooves is equal to the sum of the areas of the movable windows.
Preferably, the wire guide hole comprises an inner ring, a buffer spring and an outer ring, and the buffer spring is positioned between the inner ring and the outer ring.
Preferably, the wire holes are provided with a plurality of groups, and the wire holes sequentially penetrate through the outer cabinet body and are fixedly connected with the outer cabinet body through threads.
Preferably, the first fire extinguishing port and the second fire extinguishing port are respectively located on the left side and the right side of the inner cabinet, and the first fire extinguishing port and the second fire extinguishing port are located right above the movable window.
Preferably, the handles are arranged in two groups, are symmetrical about a vertical central axis of the inner cabinet and are fixedly connected with the inner cabinet through screws.
Preferably, the temperature detecting element of the high temperature alarm is distributed inside the outer cabinet body.
Preferably, connecting rod, loose window and pivot all are provided with a plurality of groups, and a plurality of groups connecting rod, loose window and pivot distribute in outer cabinet body left and right sides wall.
Preferably, a gap is reserved between the inner cabinet and the wire guide hole and between the inner cabinet and the air guide hole.
Compared with the prior art, the invention has the beneficial effects that: when the invention is used, the parts in the low-voltage switch cabinet are arranged on the bracket in the inner cabinet, the wires connected on the parts are led out of the outer cabinet body through the wire holes, as the wire holes are provided with a plurality of groups, and the wire holes sequentially penetrate through the outer cabinet body, and the wire holes are fixedly connected with the outer cabinet body through threads, the wire holes can meet the requirements of numerous wires in the low-voltage switch cabinet, the wires are ensured not to be contacted with each other, the heat extraction between the wires is effectively promoted, the possibility of fire disaster is reduced, as the wire holes comprise an inner ring, a buffer spring and an outer ring, and the buffer spring is positioned between the inner ring and the outer ring, the wires are positioned at the inner side between the inner ring, under the buffer action of the buffer spring, the vibration can not influence the connection stability at the wire joint, the possibility of short circuit is reduced, the practical stability of the low-voltage switch cabinet is ensured, when the interior of the low-voltage switch cabinet needs maintenance, the inner cabinet is drawn out from the outer cabinet body through the action of the handle and the sliding rail matched with the sliding block, and the wire guide hole and the air guide hole cannot influence the sliding of the inner cabinet because gaps are reserved among the inner cabinet, the wire guide hole and the air guide hole; when the low-voltage switch cabinet is normally practical, the through groove is opened, the movable window and the outer side wall of the outer cabinet body form an acute included angle, hot air in the low-voltage switch cabinet can be guaranteed to be communicated with the outside in time, and fire disasters caused by high temperature in the low-voltage switch cabinet are prevented; when a fire occurs in the low-voltage switch cabinet, because the temperature detection elements of the high-temperature alarm are distributed in the outer cabinet body, the high-temperature alarm can give out an alarm in time, a worker can open the switch of the carbon dioxide fire extinguisher in time, carbon dioxide can be discharged from the first fire extinguishing port and the second fire extinguishing port in time through the fire extinguishing pipe, because the first fire extinguishing port and the second fire extinguishing port are respectively positioned at the left side and the right side of the inner cabinet, the first fire extinguishing port and the second fire extinguishing port are both positioned right above the live window, carbon dioxide air flow sprayed out by the first fire extinguishing port and the second fire extinguishing port impacts the live window, the live window closes the through groove under the matching action of the rotating shaft and the connecting rod, at the moment, external oxygen is isolated, the carbon dioxide discharges the oxygen in the outer cabinet body from the air guide hole, the carbon dioxide is filled in the outer cabinet body, the fire source is extinguished, and the carbon dioxide can not influence electronic metal elements in the low-voltage switch cabinet, the observation window is used for observing the daily operation condition in the low-voltage switch cabinet, and the lock body is used for preventing the components inside the low-voltage switch cabinet from being damaged by people.
The invention ensures timely heat dissipation by arranging the wire holes and the through grooves, and the carbon dioxide fire extinguisher and the movable window can quickly extinguish the internal fire source and ensure the personal safety of operators.
Drawings
FIG. 1 is a schematic front view of a fireproof low-voltage switch cabinet according to the present invention;
FIG. 2 is a schematic view of an appearance structure of a fireproof low-voltage switch cabinet according to the present invention;
FIG. 3 is a schematic structural view of the fireproof low-voltage switch cabinet A of the present invention;
FIG. 4 is a schematic view of a wire hole structure of a fireproof low-voltage switch cabinet according to the present invention;
FIG. 5 is a schematic side view of a fireproof low-voltage switch cabinet according to the present invention;
in the figure: 100. an outer cabinet body; 110. a wire guide hole; 120. a high temperature alarm; 130. a carbon dioxide extinguisher; 140. fire extinguishing pipes; 150. a first fire extinguishing port; 160. a second fire extinguishing port; 170. a connecting rod; 180. a movable window; 190. a rotating shaft; 200. an air vent; 210. a handle; 220. a support; 230. an inner cabinet; 240. a slider; 250. a slide rail; 260. a through groove; 270. a handle; 280. an observation window; 290. hinging a shaft; 300. a door body; 310. a lock body; 1101. an inner ring; 1102. a buffer spring; 1103. and (4) an outer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a fireproof low-voltage switch cabinet comprises an outer cabinet body 100, wherein a rotating shaft 190 is fixedly welded on the right side wall of the outer cabinet body 100, the outer cabinet body 100 is rotatably connected with a movable window 180 through the rotating shaft 190, a connecting rod 170 is rotatably arranged on the right side of the movable window 180, through grooves 260 are integrally formed on the right side wall of the outer cabinet body 100, the through grooves 260 are used for daily discharging heat in the cabinet, the through grooves 260 are arranged on the left side and the right side of the outer cabinet body 100, the area of the through grooves 260 is equal to the sum of the areas of the movable windows 180, air guide holes 200 are fixedly arranged at the bottom of the outer cabinet body 100 in a threaded manner, two groups of air guide holes 200 are arranged on the air guide holes 200, the air guide holes 200 are vertically symmetrical relative to the center line of the outer cabinet body 100, the air guide holes 200 are fixedly connected with the outer cabinet body 100 in a threaded manner, a sliding rail 250 is fixedly arranged in the outer cabinet body 100, a sliding block 240 is slidably arranged on the upper portion of the sliding rail 250, an inner cabinet 230 is fixedly welded on the upper portion of the sliding block 240, the inner side of the inner cabinet 230 is fixedly welded with a bracket 220, the side of the bottom of the inner cabinet 230 is fixedly screwed with a handle 210, the handle 210 is provided with two groups, the handle 210 is symmetrical about the vertical central axis of the inner cabinet 230, the handle 210 is fixedly connected with the inner cabinet 230 through screws, the upper part of the outer cabinet 100 is fixedly screwed with a wire guide 110, the wire guide 110 comprises an inner ring 1101, a buffer spring 1102 and an outer ring 1103, the buffer spring 1102 is positioned between the inner ring 1101 and the outer ring 1103, the buffer spring 1102 absorbs the vibration of the wire to reduce the loosening of the wire joint caused by the vibration, the wire guide 110 is provided with a plurality of groups, the wire guide 110 sequentially penetrates through the outer cabinet 100, the wire guide 110 is fixedly connected with the outer cabinet 100 through screws, the right side of the upper part of the outer cabinet 100 is fixedly screwed with a high temperature alarm 120, and the temperature detection elements of the high temperature alarm 120 are distributed inside the outer cabinet 100, the right side of the outer cabinet 100 is fixedly welded with a carbon dioxide fire extinguisher 130, the left side of the carbon dioxide fire extinguisher 130 is fixedly provided with a fire extinguishing pipe 140 in a threaded manner, the fire extinguishing pipe 140 penetrates through the outer side wall of the outer cabinet 100, and the fire extinguishing pipe 140 is fixedly provided with a first fire extinguishing port 150 and a second fire extinguishing port 160 at the end portion thereof by screw threads, the first fire extinguishing port 150 and the second fire extinguishing port 160 are respectively positioned at the left and right sides of the inner cabinet 230, the first fire extinguishing port 150 and the second fire extinguishing port 160 are both positioned right above the movable window 180, the front part of the outer cabinet body 100 is fixedly welded with a hinged shaft 290, the outer cabinet body 100 is hinged with the door body 300 through the hinged shaft 290, the surface of the door body 300 is fixedly provided with an observation window 280, a handle 270 and a lock body 310 by screws, the connecting rods 170, the movable window 180 and the rotating shaft 190 are all provided with a plurality of groups, and the plurality of groups of connecting rods 170, the movable windows 180 and the rotating shafts 190 are distributed on the left and right side walls of the outer cabinet body 100, and gaps are left between the inner cabinet 230 and the wire holes 110 and between the inner cabinet and the air holes 200.
The working principle is as follows: when the fireproof low-voltage switch cabinet is used, parts in the low-voltage switch cabinet are arranged on the bracket 220 in the inner cabinet 230, wires connected on the parts are led out of the outer cabinet body 100 through the wire holes 110, because the wire holes 110 are provided with a plurality of groups, the wire holes 110 sequentially penetrate through the outer cabinet body 100, and the wire holes 110 are fixedly connected with the outer cabinet body 100 through threads, the wire holes 110 can meet the requirements of numerous wires in the low-voltage switch cabinet, the wires are ensured not to be contacted with each other, the heat extraction between the wires is effectively promoted, the possibility of fire is reduced, because the wire holes 110 comprise an inner ring 1101, a buffer spring 1102 and an outer ring 1103, the buffer spring 1102 is positioned between the inner ring 1101 and the outer ring 1103, the wires are positioned at the inner side of the inner ring 1101, under the buffer action of the buffer spring 1102, the connection stability at the wire joints can not be influenced by vibration, and the possibility of short circuit is reduced, the practical stability of the low-voltage switch cabinet is ensured, when the interior of the low-voltage switch cabinet needs to be maintained, the inner cabinet 230 is drawn out from the outer cabinet body 100 through the action of the handle 210 and the sliding rail 250 matched with the sliding block 240, and the wire guide 110 and the air guide hole 200 cannot influence the sliding of the inner cabinet 230 because gaps are reserved among the inner cabinet 230, the wire guide 110 and the air guide hole 200; when the low-voltage switch cabinet is normally practical, the through groove 260 is opened, and the movable window 180 and the outer side wall of the outer cabinet body 100 form an acute included angle, so that hot air in the low-voltage switch cabinet can be ensured to be communicated with the outside in time, and a fire disaster caused by high temperature in the low-voltage switch cabinet is prevented; when a fire occurs inside the low voltage switch cabinet, because the temperature detecting elements of the high temperature alarm 120 are distributed inside the outer cabinet body 100, the high temperature alarm 120 can give an alarm in time, the worker can open the switch of the carbon dioxide fire extinguisher 130 in time, carbon dioxide can be discharged from the first fire extinguishing port 150 and the second fire extinguishing port 160 in time through the fire extinguishing pipe 140, because the first fire extinguishing port 150 and the second fire extinguishing port 160 are respectively positioned at the left side and the right side of the inner cabinet 230, and the first fire extinguishing port 150 and the second fire extinguishing port 160 are both positioned right above the movable window 180, carbon dioxide air flow sprayed from the first fire extinguishing port 150 and the second fire extinguishing port 160 impacts the movable window 180, the movable window 180 closes the through groove 260 under the matching action of the rotating shaft 190 and the connecting rod 170, at the moment, the external oxygen is isolated, in addition, the carbon dioxide discharges the oxygen inside the outer cabinet body 100 from the air guide hole 200, and the carbon dioxide is filled inside the outer cabinet body 100, the fire source is extinguished, the carbon dioxide cannot affect electronic metal components inside the low-voltage switch cabinet, the observation window 280 is used for observing the daily operation condition in the low-voltage switch cabinet, and the lock body 310 is used for preventing the components inside the low-voltage switch cabinet from being artificially damaged.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A fire prevention type low-voltage switchgear, includes outer cabinet body (100), its characterized in that: the improved wardrobe is characterized in that a rotating shaft (190) is fixedly arranged on the right side wall of the outer wardrobe body (100), the outer wardrobe body (100) is rotatably connected with a movable window (180) through the rotating shaft (190), a connecting rod (170) is rotatably arranged on the right side of the movable window (180), a through groove (260) is fixedly arranged on the right side wall of the outer wardrobe body (100), an air guide hole (200) is fixedly arranged at the bottom of the outer wardrobe body (100), the air guide hole (200) penetrates through the bottom side wall of the outer wardrobe body (100), a sliding rail (250) is fixedly arranged in the outer wardrobe body (100), a sliding block (240) is slidably arranged on the upper portion of the sliding rail (250), an inner wardrobe body (230) is fixedly arranged on the upper portion of the sliding block (240), a support (220) is fixedly arranged on the inner side of the inner wardrobe body (230), a handle (210) is fixedly arranged on the bottom side edge of the inner wardrobe body (230), and a wire guide hole (110) is fixedly arranged on the upper portion of the outer wardrobe body (100), a high-temperature alarm (120) is fixedly arranged on the right side of the upper part of the outer cabinet body (100), a carbon dioxide fire extinguisher (130) is fixedly arranged on the right side of the outer cabinet body (100), a fire extinguishing pipe (140) is fixedly arranged on the left side of the carbon dioxide fire extinguisher (130), the fire extinguishing pipe (140) penetrates through the outer side wall of the outer cabinet body (100), a first fire extinguishing port (150) and a second fire extinguishing port (160) are fixedly arranged at the end part of the fire extinguishing pipe (140), a hinge shaft (290) is fixedly arranged at the front part of the outer cabinet body (100), the outer cabinet body (100) is hinged with a door body (300) through the hinge shaft (290), and an observation window (280), a handle (270) and a lock body (310) are fixedly arranged on the surface of the door body (300); the two groups of air guide holes (200) are arranged, the air guide holes (200) are symmetrical about the vertical center line of the outer cabinet body (100), and the air guide holes (200) are fixedly connected with the outer cabinet body (100) through threads; the through grooves (260) are arranged on the left side and the right side of the outer cabinet body (100), and the area of the through grooves (260) is equal to the sum of the areas of the movable windows (180); the wire guide (110) comprises an inner ring (1101), a buffer spring (1102) and an outer ring (1103), and the buffer spring (1102) is positioned between the inner ring (1101) and the outer ring (1103); the wire holes (110) are provided with a plurality of groups, the wire holes (110) sequentially penetrate through the outer cabinet body (100), and the wire holes (110) are fixedly connected with the outer cabinet body (100) through threads; the first fire extinguishing port (150) and the second fire extinguishing port (160) are respectively positioned at the left side and the right side of the inner cabinet (230), and the first fire extinguishing port (150) and the second fire extinguishing port (160) are both positioned right above the movable window (180); the temperature detection elements of the high-temperature alarm (120) are distributed in the outer cabinet body (100); the connecting rods (170), the movable windows (180) and the rotating shafts (190) are all provided with a plurality of groups, and the connecting rods (170), the movable windows (180) and the rotating shafts (190) of the groups are distributed on the left side wall and the right side wall of the outer cabinet body (100).
2. A fire-resistant low-voltage switchgear cabinet according to claim 1, characterized in that: the handles (210) are arranged in two groups, the handles (210) are symmetrical about a vertical central axis of the inner cabinet (230), and the handles (210) are fixedly connected with the inner cabinet (230) through screws.
3. A fire-resistant low-voltage switchgear cabinet according to claim 1, characterized in that: gaps are reserved among the inner cabinet (230), the wire guide holes (110) and the air guide holes (200).
Priority Applications (1)
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CN202010555758.7A CN111755961B (en) | 2020-06-17 | 2020-06-17 | Fireproof low-voltage switch cabinet |
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CN202010555758.7A CN111755961B (en) | 2020-06-17 | 2020-06-17 | Fireproof low-voltage switch cabinet |
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CN111755961A CN111755961A (en) | 2020-10-09 |
CN111755961B true CN111755961B (en) | 2022-01-07 |
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CN202010555758.7A Active CN111755961B (en) | 2020-06-17 | 2020-06-17 | Fireproof low-voltage switch cabinet |
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Families Citing this family (2)
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CN112467557A (en) * | 2020-11-06 | 2021-03-09 | 国网浙江省电力有限公司泰顺县供电公司 | Anti-overturning distribution box for pull cabinet |
CN114421327B (en) * | 2021-11-05 | 2024-05-14 | 国网湖北省电力有限公司荆门供电公司 | Safety protection isolation device for power distribution equipment and use method thereof |
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