CN113629568A

CN113629568A - Draw-out type switch cabinet

Info

Publication number: CN113629568A
Application number: CN202110927958.5A
Authority: CN
Inventors: 陈朝秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-11-09

Abstract

The invention discloses a draw-out type switch cabinet, and relates to the technical field of switch cabinets; the air cooler is characterized by comprising a supporting base, wherein a cabinet body is installed at the top of the supporting base, an air box is installed at the top of the cabinet body, an end cover is installed at the top of the air box, an air cooler and an exhaust pipe are installed inside the air box, a cold air channel is arranged inside the cabinet body, the top end of the cold air channel is communicated with the exhaust pipe, and a plurality of supporting frames and linear slide rails are installed on the side face of the cold air channel in the cabinet body. According to the invention, the opening of the cold air groove faces the drawer box frame, cold air can be directly blown to the surface of the functional unit, so that a good cooling effect is achieved, and vent holes are selectively formed in different positions of the dispersing screen plate according to the number and the density of the functional units in the drawer box frame during application, so that the cold air is concentrated in a heat gathering area, the temperature is pertinently cooled, and the application diversity and the stability of the switch cabinet are improved.

Description

Draw-out type switch cabinet

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a draw-out type switch cabinet.

Background

The drawer type switch cabinet is a closed shell made of steel plates, electrical components of an incoming and outgoing line loop are all installed in an extractable drawer to form a functional unit capable of completing a certain type of power supply task, and the functional unit of the drawer type switch cabinet is separated from a bus or a cable by a functional plate made of a grounded metal plate or plastic to form three areas of the bus, the functional unit and the cable. There is also a separation between each functional unit. The drawer type switch cabinet has higher reliability, safety and interchangeability, and is an advanced switch cabinet.

Drawer type cubical switchboard is applicable to the industrial and mining enterprise that requires the power supply reliability higher, high-rise building, as centralized control's distribution center, the drawer outside of withdrawable is provided with switch and tool to lock, draw after opening the tool to lock when using, the inside functional unit of contrast operates, the inside fan assembly who mainly relies on the back of present cubical switchboard ventilates the heat dissipation, and the blast area of fan assembly is big, the position that the inside functional unit of drawer concentrates receives the influence of structure, the wind-force at middle part is little and the dispersion, cause local overheated phenomenon to take place easily, influence the stability that the cubical switchboard was used.

Disclosure of Invention

Based on the technical problems in the prior art, the invention provides a draw-out type switch cabinet.

The invention provides a draw-out switch cabinet, which comprises a supporting base, wherein a cabinet body is arranged at the top of the supporting base, an air box is arranged at the top of the cabinet body, an end cover is arranged at the top of the air box, an air cooler and an exhaust pipe are arranged inside the air box, a cold air channel is arranged inside the cabinet body, the top end of the cold air channel is communicated with the exhaust pipe, a plurality of supporting frames and linear slide rails are arranged at the side positions of the cold air channel inside the cabinet body, a drawer box frame is connected between every two adjacent linear slide rails in a sliding manner, a cold air groove is arranged at the bottom end inside the supporting frame, a rectangular groove is arranged between the cold air groove and the cold air channel, a dispersing screen plate is inserted at the bottom end inside the cold air groove, a plurality of rows of vent holes are arranged on the surface of the dispersing screen plate, a safety lock assembly is movably arranged between the supporting frame and the cabinet body, and a lock tongue matched with the safety lock assembly is arranged at the tail end of the drawer box frame, the side of the cabinet body is rotated and is installed the safety lock handle, and the promotion slide bar of arc structure is installed to the one end of safety lock handle, promotes slide bar and safety lock subassembly tip sliding connection, the middle part of support frame is provided with the slide opening with safety lock subassembly looks adaptation, the internally mounted of the cabinet body has the subassembly of putting out a fire with drawer box frame looks adaptation.

In the invention, preferably, a filter is arranged on the side surface of the air box, and a movable filter element is inserted into the filter.

Preferably, the safety lock assembly comprises a movable sliding rod, a movable sliding ring is mounted at one end of the movable sliding rod, a locking rod is slidably mounted at the other end of the movable sliding rod, a locking hook is arranged at the end part of the locking rod, and a movable rotating shaft is mounted between two sides of the locking rod and the cabinet body.

In the invention, preferably, a pushing spring rod is arranged on the side surface of the lock rod, and a torsion spring coil is arranged on the outer side of the movable rotating shaft.

In the invention, preferably, a frame body with a frame structure is arranged inside the drawer box frame, a plurality of rows of mounting holes are formed in the inner wall of the frame body, and the frame body is connected with a plurality of brackets through the mounting holes and screws.

In the invention, the fire extinguishing assembly is a first fire extinguishing mechanism with a box-packed structure, the first fire extinguishing mechanism is provided with an air storage box, a plurality of nozzles with L-shaped structures are arranged on two sides of the air storage box, capillary holes made of hot melt materials are arranged at the bottom ends of the nozzles, and slotted holes matched with the first fire extinguishing mechanism are arranged at the top of the supporting frame.

In the invention, preferably, a plurality of independent gas storage cavities are arranged in the gas storage box, and the top ends of the gas storage cavities are provided with pressure gauges.

Preferably, the fire extinguishing assembly is a second fire extinguishing mechanism with a cylindrical structure, the second fire extinguishing mechanism comprises a shell and a limiting bolt, the shell and the limiting bolt are mounted inside the cold air channel, an air storage cylinder is fixedly mounted between the shell and the limiting bolt, a hand wheel and a second pressure gauge are mounted at the end of the air storage cylinder, a plurality of elastic pipes are wound on the outer side of the air storage cylinder, and a plurality of capillary holes made of hot melting materials are arranged at the bottom of the elastic pipes.

In the invention, preferably, the elastic tube is a strip-shaped structure, and a fixing piece is fixedly installed at the top of the elastic tube.

Compared with the prior art, the invention provides a draw-out type switch cabinet, which has the following beneficial effects:

switch cabinet is when using, functional unit and binding post etc. concentrate on inside the drawer box frame, and produce cold wind through air-cooler and exhaust pipe in switch cabinet inside, cold wind passes through the compression effect of cold wind passageway and rectangular channel, enter into the inside of cold wind groove, the opening of cold wind groove can directly blow cold wind drum on the surface of functional unit towards the drawer box frame, reach good cooling effect, and can be according to inside functional unit quantity and the intensity of drawer box frame when using, the ventilation hole is seted up in the different positions of dispersion otter board to the selection, and then concentrate cold wind in heat gathering region, the pertinence cools down, the variety and the stability that improve the switch cabinet and use.

Drawings

Fig. 1 is a schematic structural diagram of a drawout switchgear according to the present invention;

fig. 2 is a schematic side view of a withdrawable switchgear according to the present invention;

FIG. 3 is a schematic diagram of a safety lock assembly distribution structure of a drawout switchgear according to the present invention;

fig. 4 is a schematic structural diagram of a first fire extinguishing mechanism of a drawout switch cabinet according to the invention;

FIG. 5 is a schematic structural diagram of a safety lock assembly of a drawout switchgear according to the present invention;

FIG. 6 is a schematic diagram of a second fire extinguishing mechanism distribution structure of the drawout switchgear provided by the present invention;

fig. 7 is a schematic structural diagram of a second fire extinguishing mechanism of the drawout switch cabinet according to the invention.

In the figure: 1 supporting base, 2 rectangular grooves, 3 first fire extinguishing mechanisms, 301 air storage boxes, 302 air storage cavities, 303 nozzles, 304 pressure gauges, 4 air boxes, 5 end covers, 6 exhaust pipes, 7 air coolers, 8 filters, 9 cabinets, 10 supporting frames, 11 sliding holes, 12 cold air grooves, 13 linear sliding rails, 14 drawer box frames, 15 cold air channels, 16 lock tongues, 17 safety lock assemblies, 1701 movable sliding rings, 1702 movable sliding rods, 1703 lock rods, 1704 lock hooks, 1705 movable rotating shafts, 1706 push spring rods, 18 safety lock handles, 19 push sliding rods, 20 second fire extinguishing mechanisms, 2001 housings, 2002 handwheels, 2003 second pressure gauges, 2004 air storage cylinders, 2005 elastic pipes, 2006 fixing pieces and 2007 limit bolts.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, 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 drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-5, a draw-out type switch cabinet comprises a supporting base 1, a cabinet body 9 is installed on the top of the supporting base 1, an air box 4 is installed on the top of the cabinet body 9, an end cover 5 is installed on the top of the air box 4, an air cooler 7 and an exhaust pipe 6 are installed inside the air box 4, a cold air channel 15 is arranged inside the cabinet body 9, the top end of the cold air channel 15 is communicated with the exhaust pipe 6, a plurality of supporting frames 10 and linear slide rails 13 are installed inside the cabinet body 9 and positioned on the side surfaces of the cold air channel 15, a drawer box frame 14 is connected between every two adjacent linear slide rails 13 in a sliding manner, a cold air groove 12 is arranged at the bottom end inside the supporting frame 10, a rectangular groove 2 is arranged between the cold air groove 12 and the cold air channel 15, a dispersing screen plate is inserted into the bottom end inside the cold air groove 12, a plurality of rows of vent holes are arranged on the surface of the dispersing screen plate, and a safety lock assembly 17 is movably installed between the supporting frame 10 and the cabinet body 9, and the tail end of the drawer box frame 14 is provided with a bolt 16 matched with the safety lock assembly 17, the side surface of the cabinet body 9 is rotatably provided with a safety lock handle 18, one end of the safety lock handle 18 is provided with a push slide rod 19 with an arc structure, the push slide rod 19 is in sliding connection with the end part of the safety lock assembly 17, the middle part of the support frame 10 is provided with a slide hole 11 matched with the safety lock assembly 17, and the cabinet body 9 is internally provided with a fire extinguishing assembly matched with the drawer box frame 14.

As a further scheme of the invention, a filter 8 is installed on the side surface of the air box 4, and a movable filter element is inserted into the filter 8, when an air cooler 7 in the switch cabinet operates, the filter 8 effectively filters the entering air, and a micro positive pressure higher than the outside is generated inside the cabinet body 9 through the blowing action of the air cooler 7, so that dust is effectively prevented from entering the switch cabinet, and the electrostatic adsorption of dust particles by the functional unit is effectively reduced.

As a further scheme of the present invention, the safety lock assembly 17 includes a movable sliding rod 1702, and one end of the movable sliding rod 1702 is mounted with a movable sliding ring 1701, and the other end of the movable sliding rod 1702 is mounted with a locking rod 1703 in a sliding manner, the end of the locking rod 1703 is provided with a locking hook 1704, and a movable rotating shaft 1705 is mounted between two sides of the locking rod 1703 and the cabinet body 9, when the switch cabinet is applied, in addition to a lock provided by the drawer box frame 14, the safety lock assembly 17 is used as a secondary safety, when the drawer box frame 14 is operated or the internal functional unit is maintained, the safety lock handle 18 is rotated, the sliding between the sliding rod 19 and the movable sliding ring 1701 is pushed through the arc structure mounted on the safety lock handle 18, the movable sliding rod 1702 is pulled to move towards one end, and the upper end of the locking rod 1703 is pulled to separate the locking hook 1704 from the locking tongue 16, after the maintenance is not completed, the locking hook 1704 cannot be reset, so that the drawer box frame 14 cannot be correctly reset, the double-structure fuse ensures that the operation needs to be confirmed twice, and improves the application safety of the switch cabinet.

As a further scheme in the present invention, a pushing spring rod 1706 is disposed on a side surface of the lock rod 1703, and a torsion spring coil is disposed on an outer side of the movable rotating shaft 1705, when the latch hook 1704 is disengaged from the latch 16, the drawer box frame 14 is automatically pushed away outward by the action of the pushing spring rod 1706 and the torsion spring coil, so as to improve convenience of operation of the switch cabinet, and when the switch cabinet is reset, external force needs to be applied to the switch cabinet for locking and resetting, thereby effectively avoiding a phenomenon of false closing caused by a long maintenance period, and improving electrical safety.

As a further scheme of the present invention, a frame body with a frame structure is disposed inside the drawer box frame 14, and a plurality of rows of mounting holes are disposed on an inner wall of the frame body, the frame body is connected with a plurality of brackets through the mounting holes and screws, the brackets inside the drawer box frame 14 can change the height and position through the mounting holes and the screws, when the switch cabinet is applied, the positions of the functional units and the brackets can be changed according to the size and wiring requirements of the functional units, the distribution density of the functional units can be adjusted in a targeted manner, and the heat dissipation gap is increased.

Referring to fig. 1-4, a draw-out switch cabinet, a fire extinguishing assembly is a first fire extinguishing mechanism 3 of a box-packed structure, the first fire extinguishing mechanism 3 is provided with an air storage box 301, both sides of the air storage box 301 are provided with a plurality of nozzles 303 of an L-shaped structure, the bottom ends of the nozzles 303 are provided with capillary holes made of a hot melt material, the top of a support frame 10 is provided with a slotted hole matched with the first fire extinguishing mechanism 3, when the first fire extinguishing mechanism 3 is installed, the nozzles 303 distributed on both sides of the first fire extinguishing mechanism 3 are inserted into a cold air groove 12, when continuous sparks appear inside a drawer box frame 14, the hot melt material on the surfaces of the nozzles 303 is baked and melted, carbon dioxide stored inside the air storage box 301 can be sprayed out from the nozzles 303, the carbon dioxide can be rapidly diffused in the drawer box frame 14 along with air flow in the cold air groove 12 to block and replace blocking air, and the compressed carbon dioxide releases and absorbs heat and is combined with air replacement, the purposes of quickly extinguishing and cooling are achieved, and the application safety of the switch cabinet is effectively improved.

As a further scheme of the present invention, a plurality of independent gas storage cavities 302 are arranged inside the gas storage box 301, a pressure gauge 304 is installed at the top end of each gas storage cavity 302, the plurality of independent gas storage cavities 302 are arranged inside the gas storage box 301, so that the gas storage box is not affected during local fire extinguishing, and continuous and targeted fire extinguishing operation is performed when flames have a diffusion tendency, so that the capability of the switch cabinet in handling fire is further improved, secondly, the change of the pressure gauge 304 can be observed during inspection, and after a fire extinguishing action occurs, the functional units are replaced and maintained in an area, so that a hazard source is effectively reduced.

Referring to fig. 6 to 7, in a withdrawable switchgear, a fire extinguishing unit is a second fire extinguishing mechanism 20 having a cylindrical structure, and the second fire extinguishing mechanism 20 includes a housing 2001 and a limit bolt 2007 installed inside a cold air duct 15, and an air cylinder 2004 is fixedly installed between the housing 2001 and the limit bolt 2007, a hand wheel 2002 and a second pressure gauge 2003 are installed at an end of the air cylinder 2004, a plurality of elastic tubes 2005 are wound around an outer side of the air cylinder 2004, a plurality of capillary holes made of a hot melt material are provided at a bottom of the elastic tubes 2005, the second fire extinguishing mechanism 20 is installed by means of insertion and screw-fastening, the air cylinder 2004 is inserted and then rotated when being installed, so that the air cylinder 2004 is slowly screwed into the limit bolt 2007, and the elastic tube 2005 at an outer end thereof directly passes through the cold air duct 15 to enter an upper end of a drawer frame 14, when overheating or spark occurs inside the drawer frame 14, carbon dioxide stored inside the elastic tube 2005 is ejected, the interior of the drawer box frame 14 is cooled and put out a fire, the generation of a fire disaster is avoided, the pressure of the second fire extinguishing mechanism 20 is displayed on the outer side of the switch cabinet, and the convenience of checking, maintaining and operating the fire extinguishing assembly is effectively improved.

As a further scheme of the present invention, the elastic tube 2005 is a strip structure, the fixing member 2006 is fixedly installed on the top of the elastic tube 2005, the fixing member 2006 is one of a flexible magnetic strip or an adhesive strip, when the elastic tube 2005 extends to the upper end of the drawer box frame 14, the elastic tube 2005 is adsorbed on the lower surface of the dispersing screen plate through the fixing member 2006, so that a swing phenomenon during air injection can be avoided, and the position of the elastic tube 2005 can be changed according to requirements to be placed at the upper end of the high risk area, so as to further improve the safety of the switch cabinet in use.

When the cubical switchboard is using, functional unit and binding post etc. concentrate on inside drawer box frame 14, and produce cold wind through air-cooler 7 and exhaust pipe 6 inside the cubical switchboard, cold wind passes through the compression effect of cold wind passageway 15 and rectangular channel 2, enter into the inside of cold wind groove 12, the opening of cold wind groove 12 can directly blow the cold wind drum on the surface of functional unit towards drawer box frame 14, reach good cooling effect, and can be according to the inside functional unit quantity and the intensity of drawer box frame 14 when using, the ventilation hole is seted up to the selection in the different positions of dispersion otter board, and then concentrate on heat gathering region with cold wind, the pertinence cools down, improve the variety and the stability that the cubical switchboard used.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A draw-out switch cabinet comprises a supporting base (1), wherein a cabinet body (9) is installed at the top of the supporting base (1), an air box (4) is installed at the top of the cabinet body (9), an end cover (5) is installed at the top of the air box (4), an air cooler (7) and an exhaust pipe (6) are installed inside the air box (4), the draw-out switch cabinet is characterized in that a cold air channel (15) is arranged inside the cabinet body (9), the top end of the cold air channel (15) is communicated with the exhaust pipe (6), a plurality of supporting frames (10) and linear sliding rails (13) are installed at the side positions of the cold air channel (15) inside the cabinet body (9), a drawer box frame (14) is connected between every two adjacent linear sliding rails (13) in a sliding mode, a cold air groove (12) is formed in the bottom end of each supporting frame (10), and a rectangular groove (2) is formed between each cold air groove (12) and each cold air channel (15), the inside bottom of cold wind groove (12) is pegged graft and is had the dispersion otter board, and the surface of dispersion otter board is provided with the multirow ventilation hole, movable mounting has safety lock subassembly (17) between support frame (10) and the cabinet body (9), and the tail end of drawer box frame (14) is provided with spring bolt (16) with safety lock subassembly (17) looks adaptation, the side of the cabinet body (9) is rotated and is installed safety lock handle (18), and the one end of safety lock handle (18) installs the promotion slide bar (19) of arc structure, promotes slide bar (19) and safety lock subassembly (17) tip sliding connection, the middle part of support frame (10) is provided with slide opening (11) with safety lock subassembly (17) looks adaptation, the internally mounted of the cabinet body (9) has the subassembly of putting out a fire with drawer box frame (14) looks adaptation.

2. A draw-out switchgear cabinet according to claim 1, characterized in that the side of the bellows (4) is fitted with a filter (8) and the filter (8) is fitted with a removable filter insert.

3. The draw-out switchgear according to claim 1, wherein the safety lock assembly (17) comprises a movable sliding bar (1702), a movable sliding ring (1701) is installed at one end of the movable sliding bar (1702), a locking bar (1703) is installed at the other end of the movable sliding bar (1702) in a sliding manner, a locking hook (1704) is installed at the end of the locking bar (1703), and a movable rotating shaft (1705) is installed between the two sides of the locking bar (1703) and the cabinet body (9).

4. A draw-out switchgear according to claim 3, wherein the side of the locking bar (1703) is provided with a push spring bar (1706), and the outside of the movable rotating shaft (1705) is provided with a torsion spring coil.

5. A withdrawable switchgear, according to claim 1, characterized in that the drawer box rack (14) is internally provided with a frame body of frame structure, and the inner wall of the frame body is provided with a plurality of rows of mounting holes, and the frame body is connected with a plurality of brackets through the mounting holes and screws.

6. A draw-out switchgear according to claims 1-5, wherein the fire extinguishing assembly is a first fire extinguishing mechanism (3) of box structure, the first fire extinguishing mechanism (3) is provided with an air storage box (301), and both sides of the air storage box (301) are provided with a plurality of nozzles (303) of L-shaped structure, the bottom ends of the nozzles (303) are provided with capillary holes made of hot melt material, and the top of the supporting frame (10) is provided with slotted holes adapted to the first fire extinguishing mechanism (3).

7. A draw-out switchgear according to claim 6, wherein said gas storage box (301) is provided with a plurality of independent gas storage cavities (302) therein, and a pressure gauge (304) is mounted on the top end of the gas storage cavity (302).

8. The draw-out type switch cabinet according to claims 1 to 5, wherein the fire extinguishing assembly is a second fire extinguishing mechanism (20) in a cylindrical structure, the second fire extinguishing mechanism (20) comprises a shell (2001) and a limit bolt (2007) which are installed inside the cold air channel (15), an air cylinder (2004) is fixedly installed between the shell (2001) and the limit bolt (2007), a hand wheel (2002) and a second pressure gauge (2003) are installed at the end part of the air cylinder (2004), a plurality of elastic tubes (2005) are wound on the outer side of the air cylinder (2004), and a plurality of capillary holes made of hot melt materials are arranged at the bottom of the elastic tubes (2005).

9. The draw-out switchgear according to claim 8, wherein the elastic tube (2005) is a strip structure, and the top of the elastic tube (2005) is fixedly mounted with a fixing member (2006).