CN220510504U - Electrical switch cabinet with protection structure - Google Patents

Abstract

The utility model relates to an electrical switch cabinet with a protection structure, which comprises a protection base, wherein a protection shell is fixed at the top of the protection base, buffer assemblies are fixed on the periphery of the top of the protection shell, a protection top is fixed at the top of the buffer assemblies, a fixing base penetrating into the protection base is fixed at the bottom of an inner cavity of the protection shell, a switch cabinet body is clamped at the top of the fixing base, and an exhaust mechanism is fixed at the top of the switch cabinet body. This electrical switch cabinet with protective structure, when the impact of external production releases to the cubical switchboard, carries out the rigidity with external impact force through protecting crust and cabinet door and blocks, avoids impact force and the direct contact of switch cabinet body as far as possible, plays fixed firm effect to the cubical switchboard body through unable adjustment base, and protecting crust closes the cabinet door and absorbs impact force as far as possible, makes it not receive the influence of impact force, avoids the cubical switchboard to take place the short circuit because of external impact.

Description

Electrical switch cabinet with protection structure

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to an electrical switch cabinet with a protection structure.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet and then enters the sub-control switch, each shunt is arranged according to the requirements, such as an instrument, an automatic control, a motor magnetic switch, various alternating current contactors and the like, a high-voltage chamber and a low-voltage chamber switch cabinet are also arranged, a high-voltage bus is arranged, such as a power plant and the like, and low-cycle load shedding for protecting the main equipment is also arranged.

There are quite many connection lines in the switch cabinet, and the connection and disconnection of the power supply line in a region need to be controlled by the switch, so that a large amount of electric energy is provided in the switch cabinet, but the switch cabinet cannot bear external force impact, and when the switch cabinet is subjected to external force impact, a short circuit is possibly generated, so that a large amount of heat is generated, high-temperature and high-pressure gas jet is generated, and the surrounding switch cabinet is damaged, and therefore, an electric switch cabinet with a protection structure is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an electrical switch cabinet with a protective structure, which has the advantages of bearing external impact and the like, and solves the problems that a large amount of heat is generated due to the possibility of short circuit caused by the external impact, high-temperature and high-pressure gas jet flow is generated and the surrounding switch cabinet is damaged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electrical switch cabinet with protective structure, includes the protection base, the top of protection base is fixed with the protection shell, all be fixed with buffer unit around the protection shell top, buffer unit's top is fixed with the protection top, the bottom of protection shell inner chamber is fixed with the unable adjustment base that runs through to the protection base inside, the top joint of unable adjustment base has the switch cabinet body, the top of switch cabinet body is fixed with exhaust mechanism, the exhaust port that is a plurality of is seted up at the top of protection shell, the left and right sides of protection shell all is fixed with the non-return box that is two in quantity, the bottom of non-return box inner chamber is fixed with the non-return board, the top of non-return box inner chamber articulates there is the articulated slab, one side of the protection shell that is close to is fixed with the haulage rope of protection shell surface, the ventilation hole has been seted up to one side that the non-return box kept away from the protection shell, the left and right sides of protection shell has all been seted up a plurality of and by the bleeder vent that the non-return box covers;

the buffer assembly comprises a buffer shell with a fixed protective shell at the top, a spring is fixed at the bottom of an inner cavity of the buffer shell, a buffer rod is fixed at the top of the spring, limiting blocks are fixed at the left side and the right side of the buffer rod, and a supporting block fixed at the bottom of the protective top is fixed at the top of the buffer rod.

Further, the surface of protecting crust is fixed with the strengthening hoop that is three in quantity, the left and right sides at protecting crust inner chamber top is fixed with the strengthening rib rather than inner chamber left side wall and inner chamber right side wall fixed respectively.

Further, the front of protecting crust articulates there is the cabinet door, the front of cabinet door is fixed with the handle, the top of protecting crust is fixed with dustproof square ring, the internal surface of dustproof square ring can dismantle and be connected with the dustproof pad that covers the air exit.

Further, the bottom of protection top is fixed with the buffering slope, unable adjustment base's top is fixed with and runs through to the inside fixed steel nail that just quantity is a plurality of protection base, the one side that the non-return box kept away from the protective housing is fixed with the ash separation net that covers the ventilation hole.

Further, the exhaust mechanism comprises an air box fixed at the top of the switch cabinet body, a motor is fixed at the bottom of an inner cavity of the air box, a rotary cover is fixed at the top of an output shaft of the motor, and a plurality of blades are fixed on the outer surface of the rotary cover.

Further, the top of bellows has seted up the air outlet, the internal surface of air outlet is fixed with the air current net, the suction inlet has been seted up to the front of bellows, the internal surface of suction inlet is fixed with and separates the ash pad.

Further, the left and right sides of bellows have all been offered and have been a plurality of louvres, the left and right sides of bellows all is fixed with the dust screen that covers the louvre.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this electrical switch cabinet with protective structure, when the impact of external production releases to the cubical switchboard, carries out the rigidity with external impact force through protecting crust and cabinet door and blocks, avoids impact force and the direct contact of switch cabinet body as far as possible, plays fixed firm effect to the cubical switchboard body through unable adjustment base, and protecting crust closes the cabinet door and absorbs impact force as far as possible, makes it not receive the influence of impact force, avoids the cubical switchboard to take place the short circuit because of external impact.

2. This electrical switch cabinet with protective structure, when the switch cabinet body short circuit pressure release, produce a large amount of heat in the protecting crust inside, make the air expand rapidly and jet flow outside the protecting crust at a high speed, the articulated slab receives the air current influence and blocks the air current through the cooperation non-return board, makes high-pressure gas flow direction top jet flow to unload impact force through protecting the roof and closing buffer assembly, has protected adjacent switch cabinet can not be broken by the high-temperature high-pressure gas jet flow that the switch cabinet of short circuit produced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic diagram of a side structure of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 2;

FIG. 5 is a schematic view of a buffer assembly according to the present utility model.

In the figure: 1 protection base, 2 protection shells, 3 buffer components, 301 buffer shells, 302 springs, 303 buffer rods, 304 limiting blocks, 305 supporting blocks, 4 protection tops, 5 fixed bases, 6 switch cabinet bodies, 7 exhaust mechanisms, 8 exhaust outlets, 9 non-return boxes, 10 non-return plates, 11 hinge plates, 12 traction ropes, 13 ventilation holes and 14 ventilation holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an electrical switch cabinet with a protection structure in this embodiment includes a protection base 1, a protection shell 2 is fixed at the top of the protection base 1, three reinforcing hoops are fixed on the outer surface of the protection shell 2, reinforcing ribs fixed on the left side wall and the right side wall of the inner cavity of the protection shell 2 are respectively fixed on the left side and the right side of the inner cavity of the protection shell 2, the reinforcing ribs can increase the structural rigidity of the protection shell 2, so that the protection shell can resist larger impact, and the inner reinforcing rib shell helps the protection shell 2 to have stronger supporting force and guiding effect on air flow below.

It should be noted that, the front of the protecting shell 2 is hinged with a cabinet door, the front of the cabinet door is fixed with a handle, the top of the protecting shell 2 is fixed with a dustproof square ring, the inner surface of the dustproof square ring is detachably connected with a dustproof pad covering the air outlet 8, the cabinet door can facilitate the use and maintenance of the switch cabinet body 6 by staff and maintenance staff, and a piece of dustproof pad can be installed in the dustproof square ring to cover the air outlet 8, so that the air outlet 8 is not blocked due to excessive dust, and the air exhaust is not smooth.

The buffer components 3 are fixed on the periphery of the top of the protective shell 2, the protective top 4 is fixed on the top of the buffer components 3, the buffer slope is fixed on the bottom of the protective top 4, when the switch cabinet body 6 is depressurized due to short circuit, high-temperature and high-pressure gas is blocked by other components and spouts upwards, the buffer slope can buffer and evenly spread the gas which is spouted out at high speed and high pressure to the periphery, so that the impact force of the spouting is greatly reduced.

The bottom of the inner cavity of the protective housing 2 is fixed with a fixed base 5 penetrating into the protective base 1, the top of the fixed base 5 is fixed with a plurality of fixed steel nails penetrating into the protective base 1, the fixed steel nails can firmly fix the fixed base 5 on the protective housing 2 and can firmly fix the protective housing 2 on the protective base 1.

The top joint of unable adjustment base 5 has cubical switchboard body 6, and the top of cubical switchboard body 6 is fixed with exhaust mechanism 7, and exhaust mechanism 7 is fixed with the motor including fixing the bellows at cubical switchboard body 6 top, the bottom of bellows inner chamber, and the top of motor output shaft is fixed with rotatory lid, and the surface fixation of rotatory lid has a plurality of blades in quantity, and the motor rotation drives rotatory lid rotation, and rotatory lid drives the blade rotation, and blade rotation in-process can produce wind-force to promote the air flow.

It should be noted that, the air outlet has been seted up at the top of bellows, the internal surface of air outlet is fixed with the air current net, the inlet scoop has been seted up in the front of bellows, the internal surface of inlet scoop is fixed with the ash isolation pad, the wind that the blade rotation produced is discharged from the air outlet, by even cutting into finer and more fine and smooth wind when passing through the air current net to reach the more even purpose of air-out, and the induced draft hole provides the passageway of air flow, is sent out by rotatory blade again in the gas suction bellows.

In addition, it should be noted that, the left and right sides of bellows has all been offered and has been a plurality of louvres, the left and right sides of bellows all is fixed with the dust screen that covers the louvre, live at the operation process of exhaust mechanism 7, motor wherein can produce a large amount of heats in the operation, if not discharge heat, can make bellows inside temperature rise gradually, and make the motor keep working under high temperature, can reduce the life of motor for a long time, the louvre can be with inside and outside air intercommunication, take away the heat and disperse when the air flows, make inside cooling, thereby prolong the life of motor, and the ash insulating pad can block outside dust, prevent that dust entering mechanism from bringing harmful effects.

The top of protecting crust 2 has offered the air exit 8 that is a plurality of, the left and right sides of protecting crust 2 all is fixed with the check box 9 that is two in quantity, the one side that keeps away from protecting crust 2 of check box 9 is fixed with the ash separation net that covers ventilation hole 13, the subassembly of check box 9 operation cooperation its inner chamber, send the outer air into the inner chamber of protecting crust 2 under the effect of exhaust mechanism 7, but the air of protecting crust 2 inner chamber can't follow the check box 9 to be discharged because of the cooperation effect of articulated slab 11 and check plate 10, the air of passing through exhaust mechanism 7 with protecting crust 2 inner chamber is discharged towards the top, prevent to open the flow about the other switch cabinets that the adjacent because of the short circuit is pressure release at switch cabinet body 6 high-pressure gas.

The bottom of the inner cavity of the non-return box 9 is fixedly provided with a non-return plate 10, the top of the inner cavity of the non-return box 9 is hinged with a hinged plate 11, one side of the protecting shell 2, which is close to the hinged plate 11, is fixedly provided with a traction rope 12 which is fixed with the outer surface of the protecting shell 2, one side, which is far away from the protecting shell 2, of the non-return box 9 is provided with a vent hole 13, and the left side and the right side of the protecting shell 2 are provided with a plurality of vent holes 14 which are covered by the non-return box 9.

In the operation process, the protective shell 2 and the cabinet door block external impact force, so that the impact force is prevented from directly contacting with the switch cabinet body 6, and the switch cabinet body 6 is fixedly and stably acted through the fixing base 5, so that the switch cabinet is not influenced by the impact force.

Referring to fig. 5, in order to achieve the buffering effect during pressure relief, the buffering assembly 3 in this embodiment includes a buffering shell 301 for fixing the protecting shell 2 at the top, a spring 302 is fixed at the bottom of the inner cavity of the buffering shell 301, a buffering rod 303 is fixed at the top of the spring 302, limiting blocks 304 are fixed at the left and right sides of the buffering rod 303, and supporting blocks 305 fixed at the bottom of the protecting roof 4 are fixed at the top of the buffering rod 303.

In general, the high-pressure gas from the lower part is guided to jet upwards during pressure relief, directly impacts the bottom of the protection roof 4, the protection roof 4 is forced to move upwards, the supporting block 305 is driven by the upward traction force to move upwards by the lower buffer rod 303, the spring 302 is pulled to generate elastic deformation, and the impact force is counteracted by self elasticity, so that the force is removed.

The working principle of the embodiment is as follows:

(1) When the external impact is generated and the impact force is released towards the switch cabinet, the protective shell 2 and the cabinet door which strengthen the structural rigidity through the reinforcing ribs block the external impact force, and the impact force is prevented from being directly contacted with the switch cabinet body 6 through deformation or force absorption through rigidity, the switch cabinet body 6 is fixedly and stably acted through the fixing base 5, the protective shell 2 and the cabinet door absorb the impact force as much as possible, the influence of the impact force is avoided, and the short circuit of the switch cabinet due to the external impact is avoided.

(2) When the switch cabinet body 6 is in short circuit and pressure relief, a large amount of heat is generated in the protective shell 2, so that air is rapidly expanded and flows out of the protective shell 2 at a high speed, the hinged plate 11 in the non-return box 9 is influenced by air flow, the air flow is blocked by the non-return plate 10, high-pressure air flows to the upper jet flow, the bottom of the protective roof 4 is directly impacted by the air outlet 8, the protective roof 4 is stressed to move upwards, the supporting block 305 is driven by upward traction force to move upwards by the lower buffer rod 303, the spring 302 is pulled from above to elastically deform, the impact force is counteracted by self elasticity, the force is removed, and after the jet flow disappears, the spring 302 is restored to the original state, so that the adjacent switch cabinet is protected from being broken by the high-temperature high-pressure air jet flow generated by the short-circuited switch cabinet.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Electric switch cabinet with protective structure, including protection base (1), its characterized in that: the protection base is characterized in that a protection shell (2) is fixed at the top of the protection base (1), buffer assemblies (3) are fixed on the periphery of the top of the protection shell (2), a protection top (4) is fixed at the top of the buffer assemblies (3), a fixing base (5) penetrating through the inner cavity of the protection shell (2) is fixed at the bottom of the inner cavity of the protection base (1), a switch cabinet body (6) is clamped at the top of the fixing base (5), an exhaust mechanism (7) is fixed at the top of the switch cabinet body (6), a plurality of exhaust outlets (8) are formed in the top of the protection shell (2), two check boxes (9) are fixed on the left side and the right side of the protection shell (2), check plates (10) are fixed at the bottom of the inner cavity of the check boxes (9), a traction rope (12) fixed on the outer surface of the protection shell (2) and close to the hinge plates (11) are hinged at the top of the inner cavity of the check boxes (9), a plurality of vent holes (14) are formed in the left side, and the vent holes (14) are formed in the left side, far from the check boxes (2), and the vent holes (14) are formed in the left side, and the vent holes (14) are formed in the two sides of the check boxes;

the buffer assembly (3) comprises a buffer shell (301) with a fixed protective shell (2) at the top, a spring (302) is fixed at the bottom of an inner cavity of the buffer shell (301), a buffer rod (303) is fixed at the top of the spring (302), limiting blocks (304) are fixed at the left side and the right side of the buffer rod (303), and supporting blocks (305) fixed at the bottom of a protective roof (4) are fixed at the top of the buffer rod (303).

2. An electrical switchgear with protective structure according to claim 1, characterized in that: the outer surface of the protecting shell (2) is fixedly provided with three reinforcing hoops, and the left side and the right side of the top of the inner cavity of the protecting shell (2) are respectively fixedly provided with reinforcing ribs which are fixed with the left side wall and the right side wall of the inner cavity of the protecting shell.

3. An electrical switchgear with protective structure according to claim 1, characterized in that: the front of the protective shell (2) is hinged with a cabinet door, a handle is fixed on the front of the cabinet door, a dustproof square ring is fixed on the top of the protective shell (2), and a dustproof pad covering an air outlet (8) is detachably connected to the inner surface of the dustproof square ring.

4. An electrical switchgear with protective structure according to claim 1, characterized in that: the bottom of protection top (4) is fixed with the buffering slope, the top of unable adjustment base (5) is fixed with and runs through to the inside fixed steel nail that just quantity is a plurality of protection base (1), the one side that protection shell (2) was kept away from to non-return box (9) is fixed with the ash separation net that covers ventilation hole (13).

5. An electrical switchgear with protective structure according to claim 1, characterized in that: the air exhaust mechanism (7) comprises an air box fixed at the top of the switch cabinet body (6), a motor is fixed at the bottom of an inner cavity of the air box, a rotary cover is fixed at the top of an output shaft of the motor, and a plurality of blades are fixed on the outer surface of the rotary cover.

6. An electrical switchgear with protective structure according to claim 5, characterized in that: the top of bellows has seted up the air outlet, the internal surface of air outlet is fixed with the air current net, the inlet scoop has been seted up to the front of bellows, the internal surface of inlet scoop is fixed with and separates the ash pad.

7. An electrical switchgear with protective structure according to claim 5, characterized in that: the left and right sides of bellows has all offered a plurality of louvres, the left and right sides of bellows all is fixed with the dust screen that covers the louvre.