CN215897080U

CN215897080U - High-efficient radiating electrical equipment explosion-proof case

Info

Publication number: CN215897080U
Application number: CN202122230201.9U
Authority: CN
Inventors: 郝庆国
Original assignee: Maineng Electric Co ltd
Current assignee: Maineng Electric Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-22
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses an electric equipment explosion-proof box with high-efficiency heat dissipation, which belongs to the technical field of explosion-proof boxes and comprises a box body, wherein the front end surface of the box body is hinged with a door body, a single chip microcomputer is fixed on the right side wall of the box body, a smoke sensor is fixed on the inner wall of the left side of the box body, a base shell is fixed at the bottom end of the box body, bottom supporting plates are fixed on two sides of the bottom end of the base shell, a cooling water cavity and a cavity are arranged in the base shell, the cavity is positioned below the cooling water cavity, and heat dissipation nets are fixed at air outlets of two side walls of the cavity; through the arrangement of the copper plate, the copper sheets, the semiconductor refrigerating sheets, the radiating fins and the circulating cooling pipe, heat carried by cooling water in the cooling water cavity can be transferred to the copper plate through the copper sheets and transferred to the semiconductor refrigerating sheets through the copper plates, the temperature of the cooling water in the cooling water cavity is maintained under the action of the semiconductor refrigerating sheets, and the radiating fins radiate heat generated on the semiconductor refrigerating sheets.

Description

High-efficient radiating electrical equipment explosion-proof case

Technical Field

The utility model belongs to the technical field of explosion-proof boxes, and particularly relates to an efficient heat-dissipation explosion-proof box for electrical equipment.

Background

Explosion-proof case subdivision name has a lot, has explosion-proof block terminal, explosion-proof control box, explosion-proof switch board etc. and can all be called explosion-proof case, and the product name is generally confirmed according to the in service behavior when the producer is categorised.

On present explosion-proof box, do not set up corresponding cooling heat radiation structure for the heat that explosion-proof box during operation produced can not obtain timely heat dissipation cooling, the life of greatly reduced explosion-proof box, and simultaneously, the explosion-proof incasement does not set up corresponding fire extinguishing structure, under the condition of taking place the conflagration, can't the very first time eliminate the source of a fire, causes great loss easily, has certain drawback in the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an explosion-proof box of electrical equipment with efficient heat dissipation, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: an explosion-proof box of electrical equipment with high-efficiency heat dissipation comprises a box body, wherein a door body is hinged to the front end face of the box body, a single chip microcomputer is fixed on the right side wall of the box body, a smoke sensor is fixed on the inner wall of the left side of the box body, a base shell is fixed at the bottom end of the box body, bottom supporting plates are fixed on two sides of the bottom end of the base shell, the base shell comprises a cooling water cavity and a cavity, the cavity is located below the cooling water cavity, heat dissipation nets are fixed at air outlets of two side walls of the cavity, a copper plate is fixedly embedded on one side wall of the cooling water cavity, a plurality of copper plates are fixed on the copper plate at equal intervals towards one end face in the cooling water cavity, a semiconductor refrigerating plate is fixed on one end face of the copper plate towards the outside of the box, a plurality of heat dissipation fins are fixed on the outer surface of the semiconductor refrigerating plate at equal intervals, a circulating cooling pipe is fixedly embedded on the inner wall of the box body, one end of the circulating cooling pipe extends into the cooling water cavity, and the other end extends into the cavity, a circulating cooling mechanism is arranged in the cavity, and a fire extinguishing mechanism is arranged in the box body.

As a preferred embodiment, the fire extinguishing mechanism comprises a first motor fixed at the top end of the box body, an output shaft of the first motor extends into the box body and is fixedly connected with an n-type connecting frame, the bottom end of the n-type connecting frame is fixedly connected with a frame, and a movable block is slidably connected in a through opening of the frame.

As a preferred embodiment, the two ends of the movable block are both fixed with guide seats, the two side walls of the through opening of the frame are both provided with guide grooves matched with the guide seats, the movable block is connected with a reciprocating screw rod in a spiral transmission manner, and the reciprocating screw rod is rotatably connected in the through opening of the frame.

As a preferred embodiment, a transmission gear ring is fixed on the inner wall of the box body through two fixing strips, two symmetrical gears are meshed and connected above the transmission gear ring, one end of a reciprocating screw rod extends to the outer side of the frame and is fixedly connected with an installation shaft hole of one gear, the other end of the reciprocating screw rod extends to the outer side of the frame and is rotatably connected with an installation shaft hole of the other gear, a dry ice extinguishing tank is fixed at the bottom end of a movable block, a fire extinguishing nozzle is connected at the discharge port of the dry ice extinguishing tank, and a fire extinguishing valve is installed on the fire extinguishing nozzle.

As a preferred embodiment, circulative cooling mechanism is including fixing the solid fixed cylinder on the diapire in the cavity, sliding connection has the piston board in the solid fixed cylinder, the one end of piston board is fixed with the piston rod, the one end of piston rod slides and runs through to the outside of solid fixed cylinder, and the rigid coupling has the guide bar of vertical setting, the rear of guide bar is equipped with fixes the motor two on the diapire in the cavity, the output shaft rigid coupling of motor two has the carousel, the front end surface edge of carousel is fixed with the guide post, run through on the guide bar and seted up movable passage, the guide bar is established in the outside of guide post through movable passage activity cover, the rear end face of guide bar is laminated with the front end surface of carousel mutually.

As a preferred embodiment, the water inlet of the fixed cylinder is connected with a water pumping pipe, the water inlet of the fixed cylinder is further provided with a one-way valve I installed on the water pumping pipe, one end of the water pumping pipe extends into the cooling water cavity, one end of the circulating cooling pipe, which extends into the cavity, is connected with the water outlet of the fixed cylinder, and the water outlet of the fixed cylinder is further provided with a one-way valve II installed on the circulating cooling pipe.

Compared with the prior art, the electrical equipment explosion-proof box with high-efficiency heat dissipation provided by the utility model at least comprises the following beneficial effects:

(1) through the arrangement of the copper plate, the copper sheets, the semiconductor refrigerating sheet, the radiating fins and the circulating cooling pipe, heat carried by cooling water in the cooling water cavity is transferred to the copper plate through the copper sheets and is transferred to the semiconductor refrigerating sheet through the copper plate, the temperature of the cooling water in the cooling water cavity is maintained under the action of the semiconductor refrigerating sheet, and the radiating fins radiate heat generated on the semiconductor refrigerating sheet;

(2) through the setting of mechanism of putting out a fire, can be when the inside conflagration that breaks out of box, the dry ice jar that goes out of can realizing the movable block bottom can still carry out reciprocating motion along with the frame when rotating, then makes the dry ice wide range that sprays out, and fire control effect is good, effectively avoids taking place economic loss.

(3) Through the setting of circulative cooling mechanism, can make the cooling water of cooling water intracavity can carry out the circulation flow in the circulative cooling pipe to can dispel the heat that the box during operation produced, and the circulative cooling pipe is the multistage formula design, can dispel the heat to a plurality of positions in the box, reach good radiating effect.

Drawings

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

FIG. 2 is a schematic view of the inside of the case of the present invention;

FIG. 3 is a schematic view of the semiconductor cooling plate and the heat dissipating fins of the present invention;

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

fig. 5 is a schematic unfolded structure of the circulating cooling mechanism of the present invention.

In the figure: 1. a box body; 2. a door body; 3. a single chip microcomputer; 4. a smoke sensor; 5. a base housing; 51. a bottom supporting plate; 52. a heat-dissipating web; 53. a copper plate; 54. a copper sheet; 55. a semiconductor refrigeration sheet; 56. heat dissipation fins; 57. a circulating cooling pipe; 6. a fire extinguishing mechanism; 601. a first motor; 602. an n-type connecting frame; 603. a frame; 604. a movable block; 605. a reciprocating screw rod; 606. a gear; 607. a transmission gear ring; 608. a dry ice fire extinguishing tank; 609. a fire extinguishing nozzle; 610. a fire valve; 7. a circulating cooling mechanism; 701. a fixed cylinder; 702. a piston plate; 703. a piston rod; 704. a guide bar; 705. a second motor; 706. a turntable; 707. a guide post; 708. a water pumping pipe.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-5, the utility model provides an explosion-proof box of electrical equipment with high-efficiency heat dissipation, which comprises a box body 1, a door body 2, a single chip microcomputer 3, a smoke sensor 4, a base shell 5, a bottom supporting plate 51, a heat dissipation net 52, a copper plate 53, a copper sheet 54, a semiconductor refrigeration sheet 55, a heat dissipation fin 56, a circulating cooling pipe 57, a fire extinguishing mechanism 6, a motor I601, an n-shaped connecting frame 602, a frame 603, a movable block 604, a reciprocating screw rod 605, a gear 606, a transmission gear ring 607, a dry ice extinguishing tank 608, a fire extinguishing nozzle 609, a fire extinguishing valve 610, a circulating cooling mechanism 7, a fixed cylinder 701, a piston plate 702, a piston rod 703, a guide rod 704, a motor II 705, a turntable 706, a guide column 707 and a water pumping pipe 708, wherein the door body 2 is hinged to the front end face of the box body 1, the single chip microcomputer 3 is fixed to the right side wall of the box body 1, the smoke sensor 4 is fixed to the left inner wall of the box body 1, the base shell 5 is fixed to the bottom end of the box body 1, the bottom end of the base shell 5 is fixed with bottom supporting plates 51 on both sides, the interior of the base shell 5 comprises a cooling water cavity and a cavity, the cavity is positioned below the cooling water cavity, the air outlets of both side walls of the cavity are fixed with radiating nets 52, a copper plate 53 is fixedly embedded on one side wall of the cooling water cavity, a plurality of copper sheets 54 are fixedly arranged on one end surface of the copper plate 53 facing into the cooling water cavity at equal intervals, a semiconductor refrigerating sheet 55 is fixedly arranged on one end surface of the copper plate 53 facing out of the box, a plurality of radiating fins 56 are fixedly arranged on the outer surface of the semiconductor refrigerating sheet 55 at equal intervals, a circulating cooling pipe 57 is fixedly embedded on the inner wall of the box body 1, one end of the circulating cooling pipe 57 extends into the cooling water cavity, the other end of the circulating cooling pipe extends into the cavity, the output end of the smoke sensor 4 is electrically connected with the input end of the singlechip 3, the output end of the singlechip 3 is electrically connected with the fire extinguishing valve 610 and the input end of the first motor 601, the singlechip 3 is 89C51, the smoke sensor 4 is model GQG 5.

The fire extinguishing mechanism 6 is installed in the box body 1, the fire extinguishing mechanism 6 comprises a motor I601 fixed at the top end of the box body 1, an output shaft of the motor I601 extends into the box body 1 and is fixedly connected with an n-type connecting frame 602, the bottom end of the n-type connecting frame 602 is fixedly connected with a frame 603, a movable block 604 is connected in a through hole of the frame 603 in a sliding manner, two ends of the movable block 604 are respectively fixed with a guide seat, two side walls of the through hole of the frame 603 are respectively provided with a guide groove matched with the guide seats, the movable block 604 is connected with a reciprocating lead screw 605 in a spiral transmission manner, the reciprocating lead screw 605 is rotatably connected in the through hole of the frame 603, a transmission gear ring 607 is fixed on the inner wall of the box body 1 through two fixing strips, two symmetrical gears 606 are engaged and connected above the transmission gear ring 607, one end of the reciprocating lead screw extends to the outer side of the frame 603 and is fixedly connected with an installation shaft hole of one gear 606, the other end of the reciprocating lead screw 605 extends to the outer side of the frame 603, and is connected with the installation shaft hole of another gear 606 in a rotating way, the bottom end of the movable block 604 is fixed with a dry ice fire extinguishing tank 608, the discharge port of the dry ice fire extinguishing tank 608 is connected with a fire extinguishing nozzle 609, a fire extinguishing valve 610 is installed on the fire extinguishing nozzle 609, and the stability of the n-shaped connecting frame 602 during integral rotation can be ensured due to the arrangement of the two gears 606.

A circulating cooling mechanism 7 is arranged in the cavity, the circulating cooling mechanism 7 comprises a fixed cylinder 701 fixed on the inner bottom wall of the cavity, a piston plate 702 is connected in the fixed cylinder 701 in a sliding manner, a piston rod 703 is fixed at one end of the piston plate 702, one end of the piston rod 703 penetrates the outer side of the fixed cylinder 701 in a sliding manner and is fixedly connected with a vertically arranged guide rod 704, a second motor 705 fixed on the inner bottom wall of the cavity is arranged behind the guide rod 704, a turntable 706 is fixedly connected with an output shaft of the second motor 705, a guide post 707 is fixed at the front end surface edge of the turntable 706, a movable channel is formed in the guide rod 704 in a penetrating manner, the guide rod 704 is movably sleeved on the outer side of the guide post 707 through the movable channel, the rear end surface of the guide rod 704 is attached to the front end surface of the turntable 706, a water inlet of the fixed cylinder 701 is connected with a water pumping pipe 708, a first check valve 708 arranged on the water pumping pipe is further arranged at the water inlet of the fixed cylinder 701, one end of the water pumping pipe 708 extends into the cooling water cavity, one end of the circulating cooling pipe 57 extending into the cavity is connected with a water outlet of the fixed cylinder 701, a check valve II mounted on the circulating cooling pipe 57 is further arranged at the water outlet of the fixed cylinder 701, and a sealing ring is arranged at the movable connection position of the piston plate 702 and the fixed cylinder 701.

The working principle is as follows: when the refrigerator is used, the turntable 706 can be rotated by starting the second motor 705, the guide post 707 is driven to rotate, the guide post 707 is matched with the guide rod 704 through the movable channel, the piston plate 702 connected with the piston rod 703 can reciprocate in the fixed cylinder 701, cooling water in the cooling water cavity can be pumped into the fixed cylinder 701 and extruded into the circulating cooling pipe 57 to flow, heat generated when the refrigerator body 1 works can be dissipated, the heat dissipation effect is good, the cooling water circulating into the cooling water cavity can be cooled by electrifying the semiconductor sheet 55 under the arrangement of the copper plate 53, the copper sheet 54, the semiconductor chilling sheet 55 and the heat dissipation fins 56, the phenomenon that the temperature of the cooling water is too high after the cooling water is used for a long time and the cooling and heat dissipation effects of the refrigerator body 1 are affected is avoided, and when a fire disaster occurs in the refrigerator body 1, smoke generated at a fire source is sensed by the smoke sensor 4, and the signal is delivered to the singlechip 3, the singlechip 3 controls the fire-extinguishing valve 610 and the motor 601 thereof to be started simultaneously, the n-type connecting frame 602 rotates and drives the frame 603 to rotate, because one gear 606 is fixedly connected with one end of the reciprocating screw rod 605, the other end of the reciprocating screw rod 605 is rotatably connected with the other gear 606 and is matched with the arrangement of the transmission gear ring 607, the reciprocating screw rod 605 is rotated, because the reciprocating screw rod 605 is in spiral transmission connection with the movable block 604, the dry ice fire-extinguishing tank 608 at the bottom end of the movable block 604 can rotate along with the frame 603 and can also move in a reciprocating manner, the range of the sprayed dry ice is wide, and a good fire-extinguishing effect is achieved.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof case of high-efficient radiating electrical equipment, includes box (1), its characterized in that: the refrigerator is characterized in that a door body (2) is hinged to the front end face of the box body (1), a single chip microcomputer (3) is fixed on the right side wall of the box body (1), a smoke sensor (4) is fixed on the inner wall of the left side of the box body (1), a base shell (5) is fixed at the bottom end of the box body (1), bottom supporting plates (51) are fixed on two sides of the bottom end of the base shell (5), the base shell (5) comprises a cooling water cavity and a cavity, the cavity is located below the cooling water cavity, heat radiating nets (52) are fixed at air outlets of two side walls of the cavity, a copper plate (53) is fixedly embedded on one side wall of the cooling water cavity, a plurality of copper sheets (54) are fixed on one end face of the copper plate (53) facing the cooling water cavity at equal intervals, a semiconductor refrigerating sheet (55) is fixed on one end face of the copper plate (53) facing the outside the refrigerator, a plurality of heat radiating fins (56) are fixed on the outer surface of the semiconductor refrigerating sheet (55) at equal intervals, the inner wall of box (1) is fixed to be inlayed and is equipped with cooling circulation pipe (57), and in cooling water intracavity was extended to the one end of cooling circulation pipe (57), in the other end extended to the cavity, install cooling circulation mechanism (7) in the cavity, install fire extinguishing mechanism (6) in box (1).

2. An efficient heat dissipation explosion-proof enclosure for electrical equipment as recited in claim 1, wherein: the fire extinguishing mechanism (6) comprises a first motor (601) fixed to the top end of the box body (1), an output shaft of the first motor (601) extends into the box body (1) and is fixedly connected with an n-type connecting frame (602), a frame (603) is fixedly connected to the bottom end of the n-type connecting frame (602), and a movable block (604) is slidably connected to a through hole of the frame (603).

3. An electrical equipment explosion-proof box with high-efficiency heat dissipation according to claim 2, wherein: the guide seats are fixed at two ends of the movable block (604), guide grooves matched with the guide seats are formed in two side walls of a through hole of the frame (603), the movable block (604) is connected with a reciprocating screw rod (605) in a spiral transmission mode, and the reciprocating screw rod (605) is rotatably connected into the through hole of the frame (603).

4. An efficient heat dissipation explosion-proof enclosure for electrical equipment as recited in claim 1, wherein: the inner wall of the box body (1) is fixed with a transmission gear ring (607) through two fixing strips, the upper part of the transmission gear ring (607) is meshed with two symmetrical gears (606), one end of a reciprocating screw rod (605) extends to the outer side of the frame (603) and is fixedly connected with an installation shaft hole of one of the gears (606), the other end of the reciprocating screw rod (605) extends to the outer side of the frame (603) and is rotatably connected with an installation shaft hole of the other gear (606), a dry ice fire extinguishing tank (608) is fixed at the bottom end of the movable block (604), a discharge hole of the dry ice fire extinguishing tank (608) is connected with a fire extinguishing nozzle (609), and a fire extinguishing valve (610) is installed on the fire extinguishing nozzle (609).

5. An efficient heat dissipation explosion-proof enclosure for electrical equipment as recited in claim 1, wherein: the circulating cooling mechanism (7) comprises a fixed cylinder (701) fixed on the inner bottom wall of the cavity, a piston plate (702) is connected to the fixed cylinder (701) in a sliding mode, a piston rod (703) is fixed at one end of the piston plate (702), one end of the piston rod (703) penetrates through the outer side of the fixed cylinder (701) in a sliding mode, a guide rod (704) which is vertically arranged is fixedly connected with the one end of the piston rod (703), a second motor (705) fixed on the inner bottom wall of the cavity is arranged behind the guide rod (704), a rotating disc (706) is fixedly connected with an output shaft of the second motor (705), a guide column (707) is fixed at the edge of the front end surface of the rotating disc (706), a movable channel is formed in the guide rod (704) in a penetrating mode, the guide rod (704) is movably sleeved on the outer side of the guide column (707) through the movable channel, and the rear end surface of the guide rod (704) is attached to the front end surface of the rotating disc (706).

6. An efficient heat dissipation explosion-proof enclosure for electrical equipment as recited in claim 5, wherein: the water inlet department of a fixed section of thick bamboo (701) is connected with drinking-water pipe (708), and the water inlet department of a fixed section of thick bamboo (701) still is equipped with the check valve one of installing on drinking-water pipe (708), and the one end of drinking-water pipe (708) extends to the cooling water intracavity, and the one end that extends to in the cavity on circulative cooling pipe (57) links to each other with the water outlet department of a fixed section of thick bamboo (701), and the water outlet department of a fixed section of thick bamboo (701) still is equipped with the check valve two of installing on circulative cooling pipe (57).