CN219350981U - Low-voltage draw-out type switch cabinet - Google Patents

Abstract

The application relates to a low pressure pull-out type cubical switchboard relates to the field of cubical switchboard, and it includes outside casing, drawer, set up the mounting panel in the drawer and set up the subassembly that absorbs moisture on the mounting panel, absorb moisture the subassembly including set up in place board and the thing that absorbs moisture on the mounting panel, the mounting panel has been seted up and has been used for holding the mounting groove that absorbs moisture the thing. Through adopting above-mentioned technical scheme, the moisture absorption thing is arranged in absorbing the moisture in the air in the drawer, places the board and is used for placing the moisture absorption thing, and the mounting panel setting is used for installing in the drawer and places the board, and then all has placed the moisture absorption thing in every drawer, effectively reduces the humidity of the interior air of drawer, and then improves the security of cubical switchboard operation.

Description

Low-voltage draw-out type switch cabinet

Technical Field

The application relates to the field of switch cabinets, in particular to a low-voltage draw-out switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. Such as meters, automatic control, motor magnetic switches, various ac contactors, etc., and high-voltage and low-voltage switchgear, high-voltage buses, such as power plants, etc., and low-cycle relief for protecting major equipment. The low-voltage draw-out type switch cabinet is a combined cabinet type assembled by standard modules, is used as control equipment of various power generation, transmission, distribution, electric energy conversion and electric energy consumption equipment, and can be widely applied to low-voltage distribution systems of various industrial and mining enterprises, building hotels, municipal construction and the like.

The low-voltage draw-out type switch cabinet is generally composed of a fixed cabinet body and a movable drawer provided with main electrical components such as a switch, and the insulating capability of the switch cabinet is an important factor of whether the switch cabinet can safely and stably operate. The insulation capacity of the switch cabinet is influenced by factors such as design, materials and quality factors of the switch cabinet, temperature, humidity and condensation phenomena of the running environment in the cabinet and the like.

Aiming at the related technology, the inventor considers that the humidity in the switch cabinet is too large, the insulativity of the switch cabinet is reduced, the creepage or flashover phenomenon can be caused, the normal operation of equipment is seriously affected, and safety accidents can also occur.

Disclosure of Invention

In order to reduce the humidity of air in the switch cabinet and improve the safety of the operation of the switch cabinet, the application provides a low-voltage extraction type switch cabinet.

The application provides a low pressure pull-out type cubical switchboard adopts following technical scheme:

the utility model provides a low pressure pull-out type cubical switchboard, includes outside casing, drawer, set up in mounting panel in the drawer with set up in the subassembly absorbs moisture on the mounting panel, absorb moisture the subassembly including set up in place board and the thing that absorbs moisture on the mounting panel, the mounting panel has been seted up and has been used for holding the mounting groove that absorbs moisture the thing.

Through adopting above-mentioned technical scheme, the moisture absorption thing is arranged in absorbing the moisture in the air in the drawer, places the board and is used for placing the moisture absorption thing, and the mounting panel setting is used for installing in the drawer and places the board, and then all has placed the moisture absorption thing in every drawer, effectively reduces the interior air humidity of drawer, and then improves the security of cubical switchboard operation.

Optionally, the mounting plate is disposed on a bottom wall of the drawer.

Through adopting above-mentioned technical scheme, the mounting panel is used for installing the board of placing the moisture absorption thing, and the mounting panel sets up the diapire at the drawer for the mounting panel is all installed with placing the board level, and then realizes the level of moisture absorption thing and places, compares on setting up the mounting panel and the lateral wall of drawer, has increased the area of contact of moisture absorption thing and the interior air of drawer; if the mounting plate is arranged on the side wall of the drawer, the moisture absorbing object is deposited at the bottom under the action of gravity, so that the contact area of moisture and the moisture absorbing object is reduced, and the moisture absorbing effect is further reduced.

Optionally, the mounting plate is provided with a mounting cavity for mounting the placement plate, and the top of the mounting plate is provided with a plurality of vent holes.

Through adopting above-mentioned technical scheme, the installation cavity provides the installation region for placing the board, and the air in the air vent can supply the drawer passes through, and then contacts with the moisture absorption thing, and moisture absorption thing absorbs the moisture in the air and then reduces the air humidity in the drawer.

Optionally, the placement plate is slidably connected to the mounting plate.

Through adopting above-mentioned technical scheme, place the board and can slide in the installation cavity, when the absorbing moisture of moisture absorption thing reached the threshold value, can will place the board and slide out from the installation cavity, and then change the moisture absorption thing, consequently, place the board and make to change the moisture absorption thing more convenient in the sliding connection of mounting panel.

Optionally, sliding strips are arranged on two sides of the placing plate, and sliding grooves for sliding the sliding strips are formed in the side walls on two sides of the mounting cavity.

Through adopting above-mentioned technical scheme, through the slide bar slip in the spout, can realize placing the sliding connection of board and mounting panel to, this sliding connection mode is simple, the later stage of being convenient for repair.

Optionally, the outside casing includes backplate, bottom plate, roof and two curb plates, the installation chamber is close to be provided with the elastic component on the chamber wall of backplate, the other end of elastic component with place the board and be close to one side of backplate is connected, when placing the board and install in the installation intracavity completely, place one side and the mounting panel joint of backplate of board keep away from, and the elastic component is in compressed state.

By adopting the technical scheme, the placing plate is completely installed in the installation cavity in the expensive normal operation of the low-voltage draw-out switch; when the moisture absorbing object needs to be replaced, the clamping connection between the placing plate and the mounting plate is released, the placing plate slides in the direction away from the back plate under the action of the elastic force of the elastic piece for recovering deformation, and the placing plate slides in the mounting cavity, so that the moisture absorbing object can be replaced. The setting of elastic component for place the board and can slide out in the installation cavity automatically, it is more convenient.

Optionally, the mounting panel is kept away from one side of backplate is provided with locking subassembly, locking subassembly including set up in connecting rod and fixture block on the mounting panel, the mounting hole has been seted up on the fixture block, the connecting rod wears to locate in the mounting hole, the fixture block can be in rotate on the connecting rod, the connecting rod top is provided with spacing piece, spacing piece can with fixture block looks butt.

By adopting the technical scheme, when the switch cabinet normally operates, the placing plate is installed in the mounting plate, and the clamping block is rotated at the moment, so that the clamping block is abutted to one side of the placing plate, away from the back plate, and the placing plate is limited to slide out of the mounting cavity under the action of elastic force of the elastic piece; when the moisture absorbing object needs to be replaced, the clamping block is rotated until the clamping block is separated from the placing plate, the clamping effect of the clamping block on the placing plate is relieved, the placing plate slides in a direction away from the backboard under the action of elastic force of the elastic piece, and then the moisture absorbing object can be replaced through the chute in the installation cavity; the setting of spacing piece is used for placing the fixture block and breaks away from the connecting rod.

Optionally, the drawer includes the back board that is close to the backplate and with the relative front bezel of back board, the air inlet has been seted up on the backplate, front bezel with the convection hole has all been seted up on the back board.

Through adopting above-mentioned technical scheme, air inlet and convection hole form the passageway of ventilation, and the ventilation is favorable to not only evaporating the humidity in the drawer and then reducing in the drawer in the air, can effectively reduce the temperature in the drawer simultaneously, all is favorable to improving the security of low pressure pull-out type cubical switchboard operation.

Optionally, a fan is installed at the air inlet.

By adopting the technical scheme, the fan can accelerate the ventilation speed in the drawer, thereby accelerating and reducing the humidity and the temperature in the drawer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the installation plate, the placement plate and the moisture absorbing object are arranged, so that moisture is absorbed in each drawer, the humidity of air in the drawer is effectively reduced, and the operation safety of the low-voltage draw-out type switch cabinet is improved;

2. the elastic piece and the clamping block are arranged, so that automation of the process that the placing plate slides out of the mounting cavity is realized, and the moisture absorbing object is more convenient to replace;

3. the air inlet and the convection port are arranged to form a channel through which air can flow, so that the humidity of air in the drawer can be reduced, the temperature in the drawer can be reduced, and the operation safety of the low-voltage draw-out type switch cabinet is effectively improved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a partial explosion to highlight the mounting of the placement plate to the mounting plate;

FIG. 3 is a schematic view of a blower and air intake;

FIG. 4 is a schematic view of a drawer;

FIG. 5 is a cross-sectional view taken to highlight the manner in which the placement plate is attached to the mounting plate;

fig. 6 is an enlarged schematic view of the locking assembly at a in fig. 1.

Reference numerals illustrate: 1. an outer housing; 11. a back plate; 111. an air inlet; 12. a side plate; 13. a bottom plate; 14. a top plate; 15. a mounting frame; 2. a drawer; 21. a rear plate; 211. convection holes; 22. a front plate; 23. a first side plate; 24. a second side plate; 25. a bearing plate; 3. a mounting plate; 31. a mounting cavity; 32. a vent hole; 33. a chute; 4. a moisture absorbing assembly; 41. placing a plate; 411. a placement groove; 412. a slide bar; 42. moisture absorbing material; 5. a locking assembly; 51. a connecting rod, 52 and a limiting piece; 53. a clamping block; 6. a blower; 7. an elastic member; 8. a cavity.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses a low-voltage draw-out type switch cabinet.

Referring to fig. 1, 2 and 3, a low voltage draw-out switchgear includes an outer casing 1, a drawer 2, a mounting plate 3, a moisture absorbing assembly 4 and a locking assembly 5. The outer shell 1 is a cuboid assembled by a back plate 11, two side plates 12, a bottom plate 13 and a top plate 14, a cavity is formed inside the outer shell, the cavity is divided into a plurality of drawer 2 installation chambers for accommodating the drawers 2, an installation frame 15 is arranged in each drawer 2 installation chamber, the drawers 2 are slidably installed on the installation frame 15, and then the drawers 2 for installing the electrical components are taken out and installed. The mounting plate 3 is arranged in the drawer 2 and is used for mounting the moisture absorption assembly 4, so that when each drawer 2 works normally, water vapor in the air in the drawer 2 is absorbed by the moisture absorption object 42, and the humidity of the air in the drawer 2 is reduced, and the operation safety of the low-voltage draw-out type switch cabinet is improved.

Referring to fig. 1, 2 and 4, the drawer 2 is formed by splicing a rear plate 21 close to the back plate 11, a front plate 22 opposite to the rear plate 21, a first side plate 23, a second side plate 24 and a bearing plate 25, the mounting plate 3 is arranged on the bearing plate and integrally formed with the bearing plate by casting, and the electrical components are mounted on the mounting plate 3. The inside of the mounting plate 3 is provided with a mounting cavity 31, the top of the mounting plate 3 is provided with a plurality of vent holes 32, and the vent holes 32 are communicated with the mounting cavity 31; the moisture absorption assembly 4 comprises a placing plate 41 and a moisture absorption object 42 which are installed in the installation cavity 31, a placing slot 411 for placing the moisture absorption object 42 is formed in the top of the placing plate 41, the placing plate 41 is installed in the installation cavity 31, the vent hole 32 is communicated with the placing slot 411, air in the drawer 2 can enter the placing slot 411 through the vent hole 32, then the moisture absorption object 42 contacts with the moisture absorption object 42 in the placing slot 411, and the moisture in the air from the drawer 2 is absorbed by the moisture absorption object 42, so that the humidity in the cabinet body is reduced, and the operation safety of the low-voltage draw-out type switch cabinet is improved.

Referring to fig. 2, 3 and 4, the moisture absorbent 42 is placed in the placement groove 411 instead of being directly placed in the installation cavity 31, so that the placement plate 41 can be directly taken out from the installation cavity 31 and the moisture absorbent 42 can be more conveniently replaced in the external environment when the moisture absorbent 42 is subsequently replaced. In addition, the placement of the placement slot 411 is applicable to moisture absorbent articles 42 of different volume sizes. In this embodiment, the particle desiccant of the moisture absorbing material 42 increases the contact area of the moisture absorbing material 42 with air as much as possible, thereby improving the moisture absorbing efficiency. The mounting plate 3 is arranged on the bearing plate 25 instead of the first side plate 23 and the second side plate 24, so that the moisture absorption object 42 can be effectively prevented from being deposited in the placing groove 411 to reduce the contact area between the moisture absorption object and the air in the drawer 2, and the moisture absorption efficiency is reduced. The air inlet 111 is formed in the back plate 11, the cavity 8 (refer to fig. 5) for air and wind to enter is formed between the back plate 11 and the back plate 21 of the drawer 2, the convection holes 211 are formed in the back plate 21 and the front plate 22, the air inlet 111 and the convection holes 211 form a channel for air to circulate, wind enters the drawer 2 and accelerates the evaporation of moisture in the air in the drawer 2, so that the humidity of the air in the drawer 2 is reduced, meanwhile, the temperature in the drawer 2 is higher due to the operation of electrical elements in the drawer 2, and the air inlet 111 and the convection holes 211 are beneficial to the air circulation inside and outside the drawer 2 so as to realize heat exchange, so that the temperature in the drawer 2 is reduced, and the operation safety of the low-voltage extraction type switch cabinet is further improved. A fan 6 is arranged at the air inlet 111, and the speed of heat exchange inside and outside the drawer 2 and the speed of humidity reduction are effectively improved due to the arrangement of the fan 6.

Referring to fig. 2, 4 and 5, when the moisture absorbed by the moisture absorbing object 42 reaches the maximum value of the moisture absorbing object 42, the moisture absorbing effect cannot be generated any more, at this time, the moisture absorbing object 42 needs to be replaced, and for facilitating the replacement of the moisture absorbing object 42, the placing plate 41 and the mounting plate 3 are slidably connected in the following specific connection manner: the two side walls of the installation cavity 31 are provided with sliding grooves 33, the two side walls of the placement plate 41 are respectively provided with a group of sliding strips 412 in an integrated mode, and the sliding strips 412 can be inserted into the sliding grooves 33 and can slide in the sliding grooves 33. An elastic piece 7 is welded in the cavity wall of the mounting cavity 31, which is close to the back plate 11, and the other end of the elastic piece 7 is adhered to the side wall of the placing plate 41, which is close to the rear plate 21; referring to fig. 6, the locking assembly 5 includes a connecting rod 51, a limiting piece 52 and a clamping block 53, the connecting rod 51 is welded on the connecting rod 51 on one side of the mounting plate 3 far away from the back plate 11, a mounting hole is formed on the clamping block 53, the connecting rod 51 is arranged in the mounting hole in a penetrating manner, the limiting piece 52 is integrally formed with the connecting rod 51 and is abutted with the clamping block 53, the clamping block 53 is prevented from falling off from the connecting rod 51, and the clamping block 53 can rotate on the connecting rod 51; the clamping block 53 can be abutted against one side of the placing plate 41 away from the back plate 11.

The implementation principle of the low-voltage draw-out type switch cabinet provided by the embodiment of the application is as follows: when the low-voltage draw-out type switch cabinet operates, the placing plate 41 is completely installed in the installation cavity 31, at the moment, the clamping block 53 is abutted against one side, far away from the backboard 11, of the placing plate 41, moist air in the drawer 2 enters the placing groove 411 to contact with the moisture absorbing object 42 through the through hole, and the moisture absorbing object 42 absorbs moisture in the air from the drawer 2, so that the humidity in the drawer 2 is reduced, and the operation safety of the low-voltage draw-out type switch cabinet is improved; when the absorbed moisture of adsorbate reaches the maximum value, rotatory fixture block 53, release the joint of fixture block 53 to placing board 41, place board 41 and slide to the direction of keeping away from backplate 11 under the effect of elastic component 7 elasticity, realize placing board 41 and remove from the installation cavity 31 in, and then can carry out the work of follow-up change moisture absorption article 42. According to the low-voltage draw-out type switch cabinet, the humidity of air in each drawer 2 is reduced mainly through the placement of the moisture absorbing objects 42 in each drawer 2, and therefore the operation safety of the low-voltage draw-out type switch cabinet is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The utility model provides a low pressure pull-out type cubical switchboard, includes outside casing (1) and drawer (2), its characterized in that: still including set up in mounting panel (3) in drawer (2) with set up in moisture absorption subassembly (4) on mounting panel (3), moisture absorption subassembly (4) including set up in place board (41) and moisture absorption thing (42) on mounting panel (3), mounting panel (3) set up the mounting groove that is used for holding moisture absorption thing (42).

2. A low voltage draw out switchgear as claimed in claim 1, wherein: the mounting plate (3) is arranged on the bottom wall of the drawer (2).

3. A low voltage draw out switchgear as claimed in claim 2, wherein: the mounting plate (3) is provided with a mounting cavity (31) for mounting the placing plate (41), and the top of the mounting plate (3) is provided with a plurality of vent holes (32).

4. A low voltage draw out switchgear as claimed in claim 1, wherein: the placing plate (41) is in sliding connection with the mounting plate (3).

5. A low voltage draw out switchgear as claimed in claim 3, wherein: slide bars (412) are arranged on two sides of the placing plate (41), and sliding grooves (33) for sliding the slide bars (412) are formed in the side walls on two sides of the mounting cavity (31).

6. A low voltage draw out switchgear as claimed in claim 3, wherein: the utility model discloses a novel high-pressure air conditioner is characterized in that the outer shell (1) comprises a back plate (11), a bottom plate (13), a top plate (14) and two side plates (12), the installation cavity (31) is close to be provided with an elastic piece (7) on the cavity wall of back plate (11), the other end of elastic piece (7) with place board (41) and be close to one side of back plate (11) is connected, when place board (41) is installed in installation cavity (31) completely, place board (41) and keep away from one side and mounting panel (3) joint of back plate (11), elastic piece (7) are in compressed state.

7. A low voltage draw out switchgear as claimed in claim 6, wherein: one side that backplate (11) was kept away from to mounting panel (3) is provided with locking subassembly (5), locking subassembly (5) including set up in connecting rod (51) and fixture block (53) on mounting panel (3), the mounting hole has been seted up on fixture block (53), connecting rod (51) are worn to locate in the mounting hole, fixture block (53) can be in rotate on connecting rod (51), connecting rod (51) top is provided with spacing piece (52), spacing piece (52) can with fixture block (53) looks butt.

8. A low voltage draw out switchgear as claimed in claim 6, wherein: the drawer (2) comprises a rear plate (21) close to the back plate (11) and a front plate (22) opposite to the rear plate (21), the back plate (11) is provided with an air inlet (111), and the front plate (22) and the rear plate (21) are provided with convection holes (211).

9. A low voltage draw out switchgear as claimed in claim 8, wherein: a fan (6) is arranged at the air inlet (111).

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