CN219554339U - Alternating-current low-voltage switch cabinet - Google Patents

Abstract

The utility model relates to an alternating-current low-voltage switch cabinet, which comprises a switch cabinet body, wherein a square hole is formed in the front surface of the switch cabinet body, an access door matched with the square hole is hinged to the front surface of the switch cabinet body through a hinge, a cooling mechanism is arranged in the switch cabinet body, a rain shielding plate is fixed on the upper surface of the switch cabinet body, a dismounting mechanism is arranged in the switch cabinet body, and an activated carbon adsorption plate is placed on the bottom wall of an inner cavity of the switch cabinet body; the cooling mechanism comprises a water tank fixed with the right end of the switch cabinet body. This exchange low tension switchgear is through setting up cooling body, and the heat that makes the inside spare part of cubical switchboard body produce can heat the cold water in the cooling tube, and the water after the further heating can be discharged through the wet return to this reaches radiating purpose, thereby has avoided this internal long-time life-span that is in under the high temperature state of cubical switchboard has influenced the inside spare part of cubical switchboard body.

Description

Alternating-current low-voltage switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to an alternating-current low-voltage switch cabinet.

Background

The switch cabinet is an electrical device, the outside of the switch cabinet firstly enters a main control switch in the cabinet and then enters a sub-control switch, each shunt is arranged according to the requirements of the switch cabinet, such as an instrument, an automatic control, a motor magnetic switch, various alternating-current contactors and the like, a high-voltage chamber switch cabinet and a low-voltage chamber switch cabinet are also arranged, a high-voltage bus is arranged, such as a power plant and the like, a low-frequency load shedding for protecting main equipment is also arranged, the main function of the switch cabinet is to switch, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of a power system, the components in the switch cabinet mainly comprise a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like, and the classification method of the switch cabinet is many, such as a movable switch cabinet and a fixed switch cabinet through a breaker installation mode; or according to the different cabinet structures, the switch cabinet can be divided into an open switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage levels, and the high-voltage switch cabinet is mainly suitable for various different occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industry textile, factories and mining enterprises, residential communities, high-rise buildings and the like.

Based on Chinese utility model patent (bulletin number: CN 208046052U), an alternating-current low-voltage switch cabinet is disclosed, and the technical scheme is as follows: an alternating-current low-voltage switch cabinet comprises a cabinet body, a closed door, a fan, a first temperature sensor, a first isolation bracket, a second isolation bracket, a transmission assembly, an electric appliance mounting plate, an air inlet pipe, an arc extinguishing gas storage device, a cold air device and a second temperature sensor; a closeable closing door is arranged at one side of the cabinet body; a plurality of fans are arranged on one side, which points to the cabinet body, of the closed door, and a first temperature sensor is arranged on the closed door and used for controlling the fans; the cabinet body is internally provided with a first isolation bracket and a second isolation bracket which are arranged up and down, the two isolation brackets are U-shaped, and the second isolation bracket is arranged at the lower end of the first isolation bracket in a vertically sliding way through a transmission assembly; a plurality of wire inlets are also arranged on the first isolation bracket and the second isolation bracket; the first isolation support and the second isolation support divide the cabinet body into an upper cabinet, a middle cabinet and a lower cabinet; an electric appliance mounting plate positioned on the cabinet body is arranged below the lower cabinet; four air inlet pipes which are distributed in a cross shape are arranged on the electric appliance mounting plate, and any one of the air inlet pipes is connected with the arc extinguishing gas storage device; the air inlet pipe is provided with a plurality of air outlets; a cold air device is arranged in the lower end of the cabinet body; the air outlet of the air conditioner is communicated with the air outlet hole on the electric mounting plate; the electrical installation plate is also provided with a second temperature sensor for controlling the air conditioner, and the effect brought by the technical scheme is that: the size of the automatic centering cabinet can be adjusted, the inside of the cabinet can be cooled by the fan, meanwhile, the temperature of the electrical components in the lower cabinet is reduced by the air conditioner, the normal operation of the electrical components is ensured, the arc extinguishing gas can be released to effectively protect the electrical components, and the practical use requirement is met.

According to the technical scheme, the problems to be improved are found through the search of the applicant, for example, when a fan cools the inside of the switch cabinet, water vapor and water seal outside the switch cabinet body are inevitably sucked into the switch cabinet, and safety problems such as short circuit and the like are very easy to occur when some electrical equipment stored in the switch cabinet is influenced by moisture.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an alternating-current low-voltage switch cabinet, which has the advantage of timely processing moisture in the switch cabinet, and solves the problem that moisture in the switch cabinet is not convenient to timely process, so that the moisture in the switch cabinet is moist.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an exchange low tension switchgear, includes the cubical switchboard body, square hole has been seted up in the front of cubical switchboard body, the switch cabinet body openly pass through the hinge and articulate the access door with square hole adaptation, the inside of cubical switchboard body is equipped with cooling body, the upper surface of cubical switchboard body is fixed with the flashing board, be equipped with detaching mechanism in the cubical switchboard body, activated carbon adsorption plate has been placed to the diapire of cubical switchboard body inner chamber;

the cooling mechanism comprises a water tank fixed with the right end of the switch cabinet body, the cooling mechanism further comprises a water pump fixed with the right end of the switch cabinet body, a water inlet pipe is communicated with the water absorbing end of the water pump, a connecting pipe penetrating through and extending to the inside of the switch cabinet body is communicated with the water outlet end of the water pump, a cooling pipe is communicated with one end of the connecting pipe, far away from the water pump, and a water return pipe penetrating through the right end of the switch cabinet body and extending to the outside of the cooling pipe is communicated with one end of the cooling pipe, far away from the connecting pipe.

Further, one end of the water return pipe, which is far away from the cooling pipe, is communicated with the water tank, and the cooling pipe is in a serpentine shape.

Further, the inlet tube runs through the upper surface of water tank and extends to be close to its interior bottom wall, the one end that the inlet tube was kept away from the water pump is fixed with the filter screen.

Further, the right-hand member intercommunication of water tank has the moisturizing pipe, the back intercommunication of water tank has the drain pipe, the surface of moisturizing pipe and drain pipe all is fixed with the control valve.

Further, a plurality of heat dissipation holes are formed in the back of the switch cabinet body, and a pull handle is fixed to the front of the access door.

Further, the dismounting mechanism comprises two mounting blocks fixed with the bottom wall of the inner cavity of the switch cabinet body, sliding holes are formed in the two mounting blocks, limiting rods are connected to the inner peripheral walls of the sliding holes in a sliding mode, fixing rings are fixed to the outer surfaces of the limiting rods, springs are fixed to the opposite ends of the fixing rings, and handles are fixed to the opposite ends of the limiting rods.

Further, both ends all are fixed with the connecting block about the active carbon adsorption board, two the spacing hole has all been seted up to the one end that the connecting block is on the back mutually, spacing hole and gag lever post looks adaptation, two the inside that the one end that the gag lever post is relative all is located the spacing hole, the spring has been cup jointed to the surface of gag lever post, two the one end that the spring is on the back mutually is fixed with two the one end that the installation piece is relative.

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

1. this exchange low tension switchgear through setting up cooling body, makes the heat that the spare part of the inside of cubical switchboard body produced can heat the cold water in the cooling tube, and the water after the further heating can be discharged through the wet return to this reaches radiating purpose, thereby has avoided the inside spare part's of cubical switchboard life-span that is in under the high temperature state for a long time in the cubical switchboard body.

2. This exchange low tension switchgear through setting up detaching mechanism, has avoided the back of cubical switchboard body to get into vapor through the louvre to lead to vapor to pile up inside the part that leads to the cubical switchboard body inside at the cubical switchboard body and wets.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the internal cooling mechanism of the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in the present utility model.

In the figure: the novel water-saving type water-saving switch cabinet comprises a switch cabinet body 1, an access door 2, a cooling mechanism 3, a water tank 301, a water inlet pipe 302, a water pump 303, a connecting pipe 304, a cooling pipe 305, a water return pipe 306, a flashing 4, a disassembling mechanism 5, a quick installation 501, a limiting rod 502, a fixing ring 503, a spring 504, a handle 505 and an activated carbon adsorption plate 6.

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. 1-2, an ac low-voltage switch cabinet in this embodiment includes a switch cabinet body 1, a plurality of heat dissipation holes are provided on the back of the switch cabinet body 1 for driving air in the switch cabinet body 1 to circulate, square holes are provided on the front of the switch cabinet body 1, an access door 2 adapted to the square holes is hinged on the front of the switch cabinet body 1 through a hinge, a pull handle is fixed on the front of the access door 2, a cooling mechanism 3 is provided in the switch cabinet body 1, a flashing board 4 is fixed on the upper surface of the switch cabinet body 1, a dismounting mechanism 5 is provided in the switch cabinet body 1, an activated carbon adsorption board 6 is placed on the bottom wall of the inner cavity of the switch cabinet body 1, connection blocks are fixed on the left and right ends of the activated carbon adsorption board 6, and limit holes are provided on one ends of the two connection blocks opposite sides.

The cooling mechanism 3 comprises a water tank 301 fixed with the right end of the switch cabinet body 1, a water supplementing pipe is communicated with the right end of the water tank 301, a water draining pipe is communicated with the back of the water tank 301, control valves are respectively fixed on the outer surfaces of the water supplementing pipe and the water draining pipe and used for controlling water inflow and cold water draining of the water tank 301, the cooling mechanism 3 further comprises a water pump 303 fixed with the right end of the switch cabinet body 1, a water absorbing end of the water pump 303 is communicated with a water inlet pipe 302, a filter screen is fixed at one end of the water inlet pipe 302 far away from the water pump 303, the problem that the water inlet pipe 302 is blocked by impurities contained in water and damaged by the water pump 303 is avoided, the water inlet pipe 302 penetrates through the upper surface of the water tank 301 and extends to be close to the inner bottom wall of the water tank 302, a connecting pipe 304 penetrating through and extending to the inside of the switch cabinet body 1 is communicated with the water outlet end of the water pump 303, one end of the connecting pipe 304 far away from the water pump 303 is communicated with a cooling pipe 305, the cooling pipe 305 is in a snake shape and used for improving cooling effect, one end of the cooling pipe 305 far away from the water returning to the right end of the connecting pipe 304 penetrating through the switch cabinet body 1 and extending to the water back into the water tank 301.

In this embodiment, when the electronic components in the switch cabinet body 1 generate heat, the heat heats the cold water in the cooling pipe 305, and further under the action of the water pump 303 driving the water to flow, the hot water in the cooling pipe 305 returns to the water tank 301 through the water return pipe 306, so as to achieve the purpose of cooling the switch cabinet body 1.

It should be noted that, the back of the water tank 301 is also connected with a drain pipe, when the water in the water tank 301 is heated, the hot water is drained through the drain pipe, and the new cold water is injected through the water supplementing pipe, so that the situation that the heat cannot be continuously dissipated in the switch cabinet body 1 after the water in the water tank 301 is heated is avoided.

Referring to fig. 3, in order to adsorb the vapor entering from the heat dissipation plate at the back of the switch cabinet body, the dismounting mechanism 5 in this embodiment includes two mounting blocks 501 fixed to the bottom wall of the inner cavity of the switch cabinet body 1, sliding holes are formed in the two mounting blocks 501, the inner peripheral wall of each sliding hole is slidably connected with a limiting rod 502, the limiting holes are matched with the limiting rods 502, opposite ends of the two limiting rods 502 are located in the limiting holes, fixing rings 503 are fixed on the outer surfaces of the limiting rods 502, springs 504 are fixed on opposite ends of the two fixing rings 503, springs 504 are sleeved on the outer surfaces of the limiting rods 502, opposite ends of the two springs 504 are fixed to opposite ends of the two mounting blocks 501, and handles 505 are fixed on opposite ends of the two limiting rods 502.

In this embodiment, by pulling the handle 505 towards the opposite end, the handle 505 drives the stop lever 502 to move out of the stop hole, so as to achieve the purpose of stopping fixing the activated carbon adsorption plate 6, and further replace the activated carbon adsorption plate 6 full of water.

It should be noted that the activated carbon adsorption plate 6 may adsorb water vapor as a known technology, and will not be described herein.

The working principle of the embodiment is as follows:

when the heat generated by the electronic components in the switch cabinet body 1 is required to be cooled, the water pump 303 is started firstly, the water absorbing end of the water pump 303 conveys the water in the water tank 301 to the connecting pipe 304 through the water inlet pipe 302, then the water in the water tank 301 is conveyed to the cooling pipe 305 through the connecting pipe 304, the cold water in the cooling pipe 305 is heated by the heat generated by the electronic components in the switch cabinet body 1 during operation, after the heating, the water in the cooling pipe 305 is driven to be conveyed to the water tank 301 through the water return pipe 306 under the action of the water pump 303, so that the aim of radiating the heat generated by the electronic components in the switch cabinet body 1 during operation is fulfilled, and the radiating hole is formed in the back of the switch cabinet body 1 so as to discharge the hot air in the switch cabinet body 1, the air outside the switch cabinet body 1 can enter the switch cabinet body 1, when the air circulates, the air is inevitably brought into the switch cabinet body 1, the air is accompanied with water vapor, and by arranging the activated carbon adsorption plate 6, the situation that the water vapor is accumulated in the switch cabinet body 1 to cause that the internal electronic components are in a moist state for a long time and influence the normal work of the electronic components is effectively avoided, when the activated carbon adsorption plate 6 is full of water, the handle 505 is pulled open to further labor the handle 505 towards the opposite end, the handle 505 drives the two limiting rods 502 to move towards the opposite end, in the moving process, the fixing ring 503 is driven to squeeze the spring 504, the spring 504 is deformed, the two limiting rods 502 are further moved out of the limiting holes, the limiting of the activated carbon adsorption plate 6 is stopped, the activated carbon adsorption plate 6 is further taken out, and the new activated carbon adsorption plate 6 is installed, during installation, only the handle 505 is required to be loosened, and under the elastic action of the two springs 504, the two fixing rings 503 are driven to move towards the opposite ends, so that the limiting rod 502 is reinserted into the limiting hole, and the purpose of replacing the activated carbon adsorption plate 6 is achieved.

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. An alternating current low-voltage switch cabinet, includes switch cabinet body (1), its characterized in that: square holes are formed in the front face of the switch cabinet body (1), an access door (2) matched with the square holes is hinged to the front face of the switch cabinet body (1) through a hinge, a cooling mechanism (3) is arranged in the switch cabinet body (1), a rain shielding plate (4) is fixed on the upper surface of the switch cabinet body (1), a dismounting mechanism (5) is arranged in the switch cabinet body (1), and an activated carbon adsorption plate (6) is arranged on the bottom wall of an inner cavity of the switch cabinet body (1);

the cooling mechanism (3) comprises a water tank (301) fixed with the right end of the switch cabinet body (1), the cooling mechanism (3) further comprises a water pump (303) fixed with the right end of the switch cabinet body (1), a water inlet pipe (302) is communicated with the water absorbing end of the water pump (303), a connecting pipe (304) penetrating and extending into the switch cabinet body (1) is communicated with the water outlet end of the water pump (303), one end, far away from the water pump (303), of the connecting pipe (304) is communicated with a cooling pipe (305), and one end, far away from the connecting pipe (304), of the cooling pipe (305) is communicated with a water return pipe (306) penetrating the right end of the switch cabinet body (1) and extending to the outside.

2. An ac low voltage switchgear as claimed in claim 1, wherein: one end of the water return pipe (306) far away from the cooling pipe (305) is communicated with the water tank (301), and the cooling pipe (305) is in a serpentine shape.

3. An ac low voltage switchgear as claimed in claim 1, wherein: the water inlet pipe (302) penetrates through the upper surface of the water tank (301) and extends to be close to the inner bottom wall of the water tank, and a filter screen is fixed at one end, far away from the water pump (303), of the water inlet pipe (302).

4. An ac low voltage switchgear as claimed in claim 1, wherein: the right-hand member intercommunication of water tank (301) has the moisturizing pipe, the back intercommunication of water tank (301) has the drain pipe, the surface of moisturizing pipe and drain pipe all is fixed with the control valve.

5. An ac low voltage switchgear as claimed in claim 1, wherein: the back of switch cabinet body (1) has seted up a plurality of louvres, the front of access door (2) is fixed with the pull handle.

6. An ac low voltage switchgear as claimed in claim 1, wherein: disassembly body (5) include with two installation piece (501) fixed of cubical switchboard body (1) inner chamber diapire, two the slide hole has all been seted up to the inside of installation piece (501), the inner peripheral wall sliding connection of slide hole has gag lever post (502), the surface mounting of gag lever post (502) has solid fixed ring (503), two gu fixed ring (503) one end that is opposite to all is fixed with spring (504), two the one end that gag lever post (502) is opposite to each other all is fixed with handle (505).

7. An ac low voltage switchgear as claimed in claim 6, wherein: the active carbon adsorption board (6) all is fixed with the connecting block in both ends about, two the spacing hole has all been seted up to the one end that the connecting block is on the back, spacing hole and gag lever post (502) looks adaptation, two the inside that gag lever post (502) is relative one end all is located spacing hole, spring (504) have been cup jointed to the surface of gag lever post (502), two the one end that spring (504) is on the back mutually is fixed with two the one end that installation piece (501) is relative.