CN209981836U

CN209981836U - Low-voltage draw-out type switch cabinet convenient to disassemble

Info

Publication number: CN209981836U
Application number: CN201920474498.3U
Authority: CN
Inventors: 陈小锋; 王进勇; 尹明勇
Original assignee: Nantong Yongfengshuo Power Integrated Technology Co Ltd
Current assignee: Nantong Yongfengshuo Power Integrated Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-21
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a low pressure pull-out type cubical switchboard convenient to dismantle, including the first cabinet body, heat dissipation case and bleeder vent, the handle is installed in the front of the first cabinet body, and the upper end of the first cabinet body is connected with the cooling case, the inside of cooling case is provided with the wind chamber, and the intermediate position in wind chamber installs fan wheel. The utility model discloses set up the second cabinet body and the third cabinet body and can utilize the block effect concatenation between first fixture block and arch and draw-in groove and the circular slot together, make whole cubical switchboard constitute by the concatenation of the second cabinet body and the miniature module like this with the third cabinet body, the production package and the transportation of the cubical switchboard of being convenient for, and block concatenation mode easy operation, it is also convenient to dismantle, set up first fixture block and second fixture block card when in the draw-in groove, the second spring is in compression state, consequently, the elastic action that can utilize the second spring compresses tightly first fixture block and second fixture block, make and to fix firmly between the second cabinet body and the third cabinet body, avoid droing in the use.

Description

Low-voltage draw-out type switch cabinet convenient to disassemble

Technical Field

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

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, is used for power transmission, distribution and electric energy conversion, can be divided into two types of fixed type and draw-out type according to the structural mode, wherein the draw-out low-voltage switch cabinet consists of a fixed cabinet body and a movable device part provided with main electrical elements such as a switch and the like, the movable part needs to be portable when being moved and replaced, and the positioning needs to be reliable after being moved in, and the drawers with the same type and specification can be reliably exchanged, the processing method of the cabinet body part in the drawing-out type is basically similar to that of the fixed type middle cabinet body, however, due to the interchange requirement, the precision of the cabinet body must be improved, the related parts of the structure must have enough adjustment, and the movable device parts must not only be capable of moving but also reliably bear the main components, therefore, the mechanical strength and accuracy are high, and the related parts are adjusted by a sufficient amount.

Low pressure pull-out type cubical switchboard on market is mostly the integration cabinet body, be not convenient for dismantle and the equipment, bring inconvenience for production package and transportation, or can dismantle the equipment, but the operation is complicated, and connect unstably, and the inside radiating effect of cubical switchboard is relatively poor, can't monitor the temperature of the internal portion of cabinet simultaneously, the overheated easy damage of internal portion electrical components of cabinet, cause certain economic loss, and the inside dust that easily advances of louvre, be difficult for the clearance, current low pressure pull-out type cubical switchboard still is not convenient for remove in addition, manual handling can consume a large amount of labours's problem, for this reason, we provide a lower pressure pull-out type cubical switchboard of convenient to detach that the practicality is higher.

Disclosure of Invention

The invention aims to provide a low-voltage draw-out type switch cabinet convenient to disassemble, and solves the problems that the existing low-voltage draw-out type switch cabinet is an integrated cabinet body, is inconvenient to disassemble and assemble, brings inconvenience to production, packaging and transportation, or can be disassembled and assembled, but is complex to operate, unstable in connection, poor in heat dissipation effect inside the switch cabinet, incapable of monitoring the temperature inside the cabinet body, easy to damage electrical elements inside the cabinet body due to overheating, causes certain economic loss, easy to introduce dust into the inside of a heat dissipation hole, difficult to clean, inconvenient to move, and high in labor consumption due to manual transportation.

In order to achieve the purpose, the invention provides the following technical scheme: a low-voltage draw-out type switch cabinet convenient to disassemble comprises a first cabinet body, a heat dissipation box and air holes, wherein a handle is installed on the front side of the first cabinet body, a cooling box is connected to the upper end of the first cabinet body, an air cavity is formed in the cooling box, a fan impeller is installed in the middle of the air cavity, a second cabinet body is installed at the lower left corner of the cooling box, a rubber pad is connected to the lower surface of the second cabinet body, a rotating shaft is fixed to the upper end of the fan impeller, a protective cover is installed outside the fan impeller, a micro motor is installed at the upper end of the rotating shaft, a controller is fixed to the rear side of the micro motor, temperature sensors are connected to the left end and the right end of the controller through wires, a rotating rod is installed at the lower end of the second cabinet body, a first clamping block is connected to the lower end of the rotating rod, a third cabinet body is connected to the lower end of the first, the left end of the first clamping block is fixed with a protrusion, and the outer portion of the protrusion is connected with a circular groove.

Preferably, the heat dissipation box is arranged below the third cabinet body, the dust screen is installed on the front face of the heat dissipation box, the dust screen is of a hollow mesh structure, and the dust screen is connected with the heat dissipation box in a welding mode.

Preferably, the lower extreme of heat dissipation case is fixed with the base, and the outside of base is inlayed and is had the slide rail, the internal connection of slide rail has the slider, and the left end of slider is fixed with the connecting block, the connecting block passes through to constitute sliding structure between slide rail and slider and the base, and the structure of slide rail is type structure.

Preferably, the lower left corner of connecting block is fixed with branch, and the gyro wheel is installed to the lower extreme of branch, the right-hand member of branch is fixed with the horizontal pole, and the intermediate position of horizontal pole installs first spring, constitute rotating-structure between branch and the gyro wheel, constitute elastic construction between horizontal pole and the first spring simultaneously.

Preferably, the second spring is installed at the right end of the first clamping block, the right end of the second spring is connected with the second clamping block, the first clamping block and the second clamping block are distributed in bilateral symmetry about the vertical center line of the second spring, and the first clamping block forms an elastic structure with the second clamping block through the second spring.

Preferably, the bleeder vent sets up in the inside of the second cabinet body, the even equidistance distribution of bleeder vent is in the inside of the second cabinet body, and the cooling case passes through and constitutes the intercommunication structure between bleeder vent and the heat dissipation case.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the rubber pad is arranged at the connecting position of the upper surface of the second cabinet body and the lower surface of the cooling box, the rubber pad has certain elasticity and is mainly made of rubber materials, so that the second cabinet body and the cooling box can be connected tightly, gaps are avoided, friction between the second cabinet body and the cooling box can be reduced, abrasion to the second cabinet body and the cooling box is avoided, the temperature sensor arranged in the cooling box can collect air temperature information in the cooling box, so that the heat information in the whole switch cabinet can be mastered in real time, and countermeasures can be taken in time, the temperature sensor can control the micro motor to be turned on and off through the controller, the micro motor can drive the fan impeller to rotate to generate cool air, and heat dissipation and cooling can be carried out in time in the switch cabinet;

2. according to the invention, the first clamping block and the bulge are arranged at the lower end of the second cabinet body, the clamping groove and the circular groove are formed in the upper surface of the third cabinet body, and the second cabinet body and the third cabinet body can be spliced together by utilizing the clamping action between the first clamping block and the bulge as well as between the clamping groove and the circular groove, so that the whole switch cabinet is formed by splicing small modules of the second cabinet body and the third cabinet body, the switch cabinet is convenient to produce, package and transport, the clamping and splicing mode is simple to operate, and the switch cabinet is convenient to disassemble;

3. according to the invention, the heat dissipation box is provided with the group of dustproof nets, the dustproof nets are in hollow net shapes and have smaller net diameters, the dustproof nets ensure heat dissipation and are also favorable for preventing dust from entering the interior of the heat dissipation box, so that the dust is prevented from entering the interior of the cabinet body and polluting electrical components, the rollers arranged at the lower ends of the supporting rods can roll on the ground, the whole device is driven to move, manpower is not consumed for carrying, certain labor force is saved, the burden of workers is reduced, and meanwhile, the first spring is used for connecting the two cross rods, so that the distance between the two cross rods is convenient to change, and the movement of the sliding block is controlled;

4. the sliding rail and the sliding block which are arranged on the base can slide so as to drive the moving device below to change the height position, when the moving device is needed, the sliding block slides down, and when the moving device is not needed, the sliding block is far away from the ground, so that the stability of the base is ensured, and meanwhile, the sliding rail is in a convex shape, so that the sliding block cannot automatically slide down under the action of gravity and only needs manual control;

5. according to the invention, the second spring is connected between the first clamping block and the second clamping block, when the first clamping block and the second clamping block are clamped in the clamping groove, the second spring is in a compressed state, so that the first clamping block and the second clamping block can be tightly pressed by utilizing the elastic action of the second spring, the second cabinet body and the third cabinet body can be fixedly and stably fixed, and the second cabinet body and the third cabinet body are prevented from falling off in the use process, the vent holes are formed in the upper surface and the lower surface of the second cabinet body, so that the vent holes can be communicated with the cooling box and the heat dissipation box to form a passage, hot air in the second cabinet body can enter the heat dissipation box through the vent holes and be smoothly discharged, the heat dissipation in the second cabinet body is effectively facilitated, and the damage caused by overheating.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic structural view of the junction between the micro motor and the fan impeller;

FIG. 3 is a schematic top view of the connection between the slider and the slide rail according to the present invention;

FIG. 4 is a partially enlarged structural view of a joint between the second cabinet and the third cabinet according to the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1A;

fig. 6 is a flow chart of the present invention.

In the figure: 1. a first cabinet; 2. a handle; 3. a cooling box; 4. a wind cavity; 5. a fan impeller; 6. a micro motor; 7. a controller; 8. a temperature sensor; 9. a second cabinet; 10. a third cabinet body; 11. a heat dissipation box; 12. a dust screen; 13. a base; 14. a slide rail; 15. connecting blocks; 16. a strut; 17. a roller; 18. a cross bar; 19. a first spring; 20. a rotating shaft; 21. a protective cover; 22. a slider; 23. a rubber pad; 24. a rotating rod; 25. a first clamping block; 26. a card slot; 27. a protrusion; 28. a circular groove; 29. a second spring; 30. a second fixture block; 31. and (4) air holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a low-voltage draw-out type switch cabinet convenient to disassemble includes a first cabinet body 1, a handle 2, a cooling box 3, an air chamber 4, a fan impeller 5, a micro motor 6, a controller 7, a temperature sensor 8, a second cabinet body 9, a third cabinet body 10, a heat dissipation box 11, a dust screen 12, a base 13, a slide rail 14, a connecting block 15, a supporting rod 16, a roller 17, a cross rod 18, a first spring 19, a rotating shaft 20, a protective cover 21, a slide block 22, a rubber pad 23, a rotating rod 24, a first clamping block 25, a clamping groove 26, a protrusion 27, a circular groove 28, a second spring 29, a second clamping block 30 and an air hole 31, wherein the handle 2 is installed on the front side of the first cabinet body 1, the cooling box 3 is connected to the upper end of the first cabinet body 1, the air chamber 4 is installed inside the cooling box 3, the fan impeller 5 is installed in the middle position of the air chamber 4, the upper end of the, and a protective cover 21 is arranged outside the fan impeller 5, a micro motor 6 is arranged at the upper end of the rotating shaft 20, a controller 7 is fixed at the rear side of the micro motor 6, the left end and the right end of the controller 7 are connected with a temperature sensor 8 through leads, the micro motor 6 forms a rotating structure with the fan impeller 5 through a rotating shaft 20, the connection mode between the micro motor 6 and the temperature sensor 8 is electrical connection, the temperature sensor 8 arranged in the cooling box 3 can collect the air temperature information in the cooling box 3, therefore, heat information in the whole switch cabinet can be mastered in real time, and countermeasures can be taken in time, the temperature sensor 8 can control the micro motor 6 to be turned on and off through the controller 7, and the micro motor 6 can drive the fan impeller 5 to rotate to generate cool air, so that heat dissipation and cooling can be performed in time for the interior of the switch cabinet;

the lower left corner of the cooling box 3 is provided with a second cabinet body 9, the lower surface of the second cabinet body 9 is connected with a rubber pad 23, the rubber pad 23 is of an elastic structure, the rubber pad 23 is tightly attached to the lower surface of the second cabinet body 9, the rubber pad 23 is arranged at the position where the upper surface of the second cabinet body 9 is connected with the lower surface of the cooling box 3, the rubber pad 23 has certain elasticity and is mainly made of rubber materials, so that the second cabinet body 9 and the cooling box 3 can be tightly connected, gaps are avoided, friction between the second cabinet body 9 and the cooling box 3 can be reduced, abrasion of the second cabinet body 9 and the cooling box 3 is avoided, the lower end of the second cabinet body 9 is provided with a rotating rod 24, the lower end of the rotating rod 24 is connected with a first clamping block 25, the lower end of the first clamping block 25 is connected with a third cabinet body 10, a clamping groove 26 is arranged inside the third cabinet body 10, and a bulge 27 is fixed at the left end of, the circular groove 28 is connected to the outer portion of the protrusion 27, the protrusion 27 is matched with the circular groove 28 in size, the first clamping block 25 forms a clamping structure with the third cabinet 10 through the protrusion 27 and the circular groove 28, the first clamping block 25 and the protrusion 27 are installed at the lower end of the second cabinet 9, the clamping groove 26 and the circular groove 28 are formed in the upper surface of the third cabinet 10, the second cabinet 9 and the third cabinet 10 can be spliced together through the clamping action between the first clamping block 25 and the protrusion 27 and between the clamping groove 26 and the circular groove 28, so that the whole switch cabinet is formed by splicing the second cabinet 9 and the third cabinet 10 in a small module mode, the switch cabinet is convenient to produce, package and transport, the clamping and splicing mode is simple to operate, and the switch cabinet is convenient to disassemble;

the heat dissipation box 11 is arranged below the third cabinet 10, the front surface of the heat dissipation box 11 is provided with a dust screen 12, the dust screen 12 is of a hollow net structure, the dust screen 12 is connected with the heat dissipation box 11 in a welding manner, the heat dissipation box 11 is provided with a group of dust screens 12, the dust screens 12 are of a hollow net shape, the net diameter is small, the dust screens 12 ensure heat dissipation and are beneficial to preventing dust from entering the interior of the heat dissipation box 11 to avoid dust from entering the interior of the cabinet and polluting electrical components, the lower end of the heat dissipation box 11 is fixed with a base 13, the exterior of the base 13 is embedded with a slide rail 14, the interior of the slide rail 14 is connected with a slide block 22, the left end of the slide block 22 is fixed with a connecting block 15, the connecting block 15 passes through the slide rail 14 and forms a sliding structure with the slide block 22, the slide rail 14 is of a convex structure, and the slide rail 14 arranged on the base 13 can slide between the slide rail 14, the sliding rail 14 is in a convex shape, so that the sliding block 22 cannot automatically slide down under the action of gravity and only needs manual control;

a support rod 16 is fixed at the lower left corner of the connecting block 15, a roller 17 is installed at the lower end of the support rod 16, a cross rod 18 is fixed at the right end of the support rod 16, a first spring 19 is installed in the middle of the cross rod 18, a rotating structure is formed between the support rod 16 and the roller 17, an elastic structure is formed between the cross rod 18 and the first spring 19, the roller 17 installed at the lower end of the support rod 16 can roll on the ground so as to drive the whole device to move, manpower is not consumed for carrying, certain labor force is saved, the burden of workers is relieved, meanwhile, the first spring 19 is used for connecting the two cross rods 18, the distance between the two cross rods 18 is convenient to change, and therefore the movement of the sliding block 22 is controlled;

the right end of the first clamping block 25 is provided with a second spring 29, the right end of the second spring 29 is connected with a second clamping block 30, the first clamping block 25 and the second clamping block 30 are symmetrically distributed on the left and right sides of the vertical central line of the second spring 29, the first clamping block 25 and the second clamping block 30 form an elastic structure through the second spring 29 and the second clamping block 30, the second spring 29 is arranged between the first clamping block 25 and the second clamping block 30, when the first clamping block 25 and the second clamping block 30 are clamped in the clamping groove 26, the second spring 29 is in a compressed state, so that the first clamping block 25 and the second clamping block 30 can be tightly pressed by utilizing the elastic action of the second spring 29, the second cabinet body 9 and the third cabinet body 10 can be fixed and stable, the second clamping block is prevented from falling off in the using process, the vent holes 31 are arranged in the second cabinet body 9, the vent holes 31 are uniformly and equidistantly distributed in the second cabinet body 9, and the cooling box 3 forms a communication structure with the heat, the upper surface and the lower surface of the second cabinet body 9 are provided with the air holes 31, so that the air holes 31 can be communicated with the cooling box 3 and the heat dissipation box 11 to form a passage, hot air in the second cabinet body 9 can enter the heat dissipation box 11 through the air holes 31 and be smoothly discharged, the heat dissipation in the second cabinet body 9 is effectively facilitated, and the damage caused by overheating of electrical elements in the cabinet body is avoided.

The working principle is as follows: for the easy-to-disassemble low-voltage draw-out switch cabinet, the whole switch cabinet is divided into four major parts, which mainly comprises a cooling box 3, a heat dissipation box 11, a base 13 and three cabinet body units with the same structure, wherein the three cabinet body units are respectively a first cabinet body 1, a second cabinet body 9 and a third cabinet body 10, the first cabinet body 1, the second cabinet body 9, the third cabinet body 10, the cooling box 3, the heat dissipation box 11 and the base 13 are spliced and fixed together through a clamping structure, the first cabinet body 1 can be opened by pulling a handle 2, taking the splicing between the second cabinet body 9 and the third cabinet body 10 as an example, firstly, the first clamping block 25 and the second clamping block 30 are not perpendicular to the bottom surface of the second cabinet body 9 in an initial state, so as to be outwards opened, then, the first clamping block 25 and the second clamping block 30 are inwards pressed, and as the first clamping block 25 and the second clamping block 30 are sleeved on a rotating rod 24, therefore, the first latch 25 and the second latch 30 slightly rotate around the rotating rod 24 as an axis and are folded inwards, the second spring 29 is pressed by the first latch 25 and the second latch 30, and is compressed and shortened under a force, so that the first latch 25 and the second latch 30 can be plugged into the slot 26, at this time, the second cabinet 9 is pressed downwards, so that the first latch 25 and the second latch 30 extend into the bottom of the slot 26, when the protrusion 27 moves to the position of the circular groove 28, the second spring 29 rebounds, the pressure is reacted on the first latch 25 and the second latch 30, so that the first latch 25 and the second latch 30 cling to the inner wall of the slot 26, the protrusion 27 is clamped into the circular groove 28, at this time, the rubber pad 23 is pressed between the second cabinet 9 and the third cabinet 10, the fixation is completed, then the first cabinet 1 is fixed on the right side of the second cabinet 9, and the cooling box 3 is fixed above the first cabinet 1 and the second cabinet 9 in the same manner, according to the steps, a plurality of layers of cabinets are spliced, finally the heat dissipation box 11 and the base 13 are fixed AT the bottom of the lowest cabinet, when electrical elements in the cabinets generate heat violently, hot air is light, so that the hot air in the cabinets is transmitted to the air cavity 4 of the cooling box 3 through the air holes 31, AT the moment, the temperature sensor 8 with the model of MLX90614ESF collects temperature information in the air and transmits the information to the controller 7 with the model of AT89C52, the controller 7 analyzes and processes the information, then the micro motor 6 is controlled to be started, the micro motor 6 works to drive the rotating shaft 20 to rotate, the rotating shaft 20 drives the fan impeller 5 to rotate in the protective cover 21, the protective cover 21 protects the fan impeller 5, the fan impeller 5 rotates to enable the air AT the upper end and the lower end to generate pressure difference, cool air is formed, the cool air enters the inside of the cabinets through the air holes 31 to take away the heat in the, then get into inside the radiator box 11, at last spill through dust screen 12, accomplish the cooling, when the whole cubical switchboard of needs removal, two horizontal poles 18 of outside pulling, make first spring 19 extension, slider 22 then can cross the highest point of the slide rail 14 of type of calligraphy, slider 22 slides downwards in slide rail 14 is inside, drive connecting block 15 and branch 16 remove downwards, make gyro wheel 17 contact ground, base 13 is propped up by branch 16, be in unsettled state, then promote the cabinet body, gyro wheel 17 rolls on ground, can drive whole cubical switchboard and remove, just so accomplish the use of whole low pressure pull-out type cubical switchboard convenient to detach.

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

Claims

1. The utility model provides a low pressure pull-out type cubical switchboard convenient to dismantle, includes first cabinet body (1), heat dissipation case (11) and bleeder vent (31), its characterized in that: the improved cooling cabinet is characterized in that a handle (2) is installed on the front side of the first cabinet body (1), the upper end of the first cabinet body (1) is connected with a cooling box (3), an air cavity (4) is arranged inside the cooling box (3), a fan impeller (5) is installed at the middle position of the air cavity (4), a second cabinet body (9) is installed at the lower left corner of the cooling box (3), a rubber pad (23) is connected to the lower surface of the second cabinet body (9), a rotating shaft (20) is fixed at the upper end of the fan impeller (5), a protective cover (21) is installed outside the fan impeller (5), a micro motor (6) is installed at the upper end of the rotating shaft (20), a controller (7) is fixed on the rear side of the micro motor (6), temperature sensors (8) are connected to the left end and the right end of the controller (7) through wires, a rotating rod (24) is installed at the lower end of the second cabinet, and the lower extreme of bull stick (24) is connected with first fixture block (25), the lower extreme of first fixture block (25) is connected with the third cabinet body (10), and the inside of the third cabinet body (10) is provided with draw-in groove (26), the left end of first fixture block (25) is fixed with arch (27), and the external connection of arch (27) has circular slot (28).

2. A low voltage draw-out switchgear cabinet as claimed in claim 1 wherein: the heat dissipation box (11) is arranged below the third cabinet body (10), the dust screen (12) is installed on the front face of the heat dissipation box (11), the dust screen (12) is of a hollow mesh structure, and the dust screen (12) is connected with the heat dissipation box (11) in a welding mode.

3. A low voltage draw-out switchgear cabinet as claimed in claim 2 wherein: the lower extreme of heat dissipation case (11) is fixed with base (13), and the outside of base (13) inlays and have slide rail (14), the internal connection of slide rail (14) has slider (22), and the left end of slider (22) is fixed with connecting block (15), connecting block (15) pass through between slide rail (14) and slider (22) and base (13) and constitute sliding structure, and the structure of slide rail (14) is type structure.

4. A low voltage draw-out switchgear cabinet as claimed in claim 3 wherein: the lower left corner of connecting block (15) is fixed with branch (16), and gyro wheel (17) are installed to the lower extreme of branch (16), the right-hand member of branch (16) is fixed with horizontal pole (18), and the intermediate position of horizontal pole (18) installs first spring (19), constitute revolution mechanic between branch (16) and gyro wheel (17), constitute elastic construction between horizontal pole (18) and first spring (19) simultaneously.

5. A low voltage draw-out switchgear cabinet as claimed in claim 1 wherein: the right end of the first clamping block (25) is provided with a second spring (29), the right end of the second spring (29) is connected with a second clamping block (30), the first clamping block (25) and the second clamping block (30) are distributed in a bilateral symmetry mode about the vertical center line of the second spring (29), and the first clamping block (25) forms an elastic structure between the second spring (29) and the second clamping block (30).

6. A low voltage draw-out switchgear cabinet as claimed in claim 1 wherein: the air holes (31) are arranged inside the second cabinet body (9), the air holes (31) are uniformly distributed in the second cabinet body (9) in an equal distance mode, and the cooling box (3) is communicated with the heat dissipation box (11) through the air holes (31).