CN112134161B - A fire-proof safety distribution cabinet - Google Patents

Abstract

The invention belongs to the technical field of power distribution cabinets, in particular to a fire-proof safety power distribution cabinet, which aims at solving the problems that the existing heat dissipation effect is poor, the automatic fire extinguishing cannot be realized, and the quick separation from an external power supply cannot be realized, and provides the following scheme, comprising a cabinet body, the inside of the cabinet body is vertical distribution module that is provided with, one side of the cabinet body is vertical fixedly connected with radiating block, one side that distribution module was kept away from at the top center of radiating block is provided with the flabellum, the center of flabellum runs through the inside of radiating block through the transfer line, the equal level rotation in one side both ends that the flabellum was kept away from at the radiating block top is connected with the connecting rod, the equal rigid coupling in one end outer wall that transfer line and connecting rod are close to each other has the belt pulley, carry out the transmission through the connecting band between a plurality of belt pulleys and connect, power component is installed at the top of the cabinet body, the one end bottom that the radiating block was kept away from to the connecting rod all is vertical the lead screw of installing. The invention has the advantages of high-efficiency heat dissipation, automatic fire extinguishing and quick power supply separation.

Description

A fire-proof safety distribution cabinet

technical field

The invention relates to the technical field of power distribution cabinets, in particular to a fire-proof safety power distribution cabinet.

Background technique

In daily construction traffic and industrial production, it is necessary to use a large number of power distribution cabinets. Through the power distribution cabinets, the unified access to the power grid is distributed to different electrical equipment, and then the mechanical equipment is engaged in various tasks. The structure of the power distribution cabinet generally includes the cabinet body and the power distribution module set in the cabinet body. The installation and use of the power distribution cabinet needs to isolate the crowd to prevent interference. The reason is burning, causing the flames to pass each other, causing more serious economic losses.

At present, the structure of power distribution cabinets on the market is too simple, and it cannot dissipate the gas inside the cabinet very well, which is easy to cause fire, and the traditional power distribution cabinet lacks a device capable of extinguishing fire, which makes it impossible to When the situation occurs, extinguishing the fire at the ignition point will easily cause the entire electrical cabinet to burn and cause serious losses. Moreover, the traditional connection between the electrical cabinet and the external power supply is usually fixed connection, and then in the event of an accident, it cannot be disconnected in time. The power supply, the external power supply is electrically connected with the internal power distribution cabinet, which will cause the operator to be very dangerous when rescue.

SUMMARY OF THE INVENTION

The fire-proof safety power distribution cabinet proposed by the invention solves the problems of poor heat dissipation effect, inability to automatically extinguish fire, and inability to quickly separate from external power sources.

In order to achieve the above object, the present invention adopts the following technical solutions:

A fire-proof safety power distribution cabinet includes a cabinet body, a power distribution module is arranged vertically inside the cabinet body, a heat dissipation block is vertically fixedly connected to one side of the cabinet body, and the top center of the heat dissipation block is far away from the distribution unit. One side of the electric module is provided with a fan blade, the center of the fan blade penetrates through the interior of the heat dissipation block through the transmission rod, and the top of the heat dissipation block away from the fan blade is connected with a connecting rod by horizontal rotation at both ends, and the transmission rod and the connecting rod are close to each other. The outer wall of one end is fixed with a pulley, and the multiple pulleys are connected by connecting belts. The top of the cabinet is installed with a power component, and the bottom of the connecting rod away from the heat sink is vertically installed with a lead screw, and the connecting rod is close to the wire. The top of the screw is rotatably connected with the screw through the transmission assembly. The outer wall of the screw is surrounded by a screw ring, and a nozzle is installed on one side of the screw ring. The top of the cabinet is horizontally provided with a plurality of fire extinguishing tanks. A connecting plate is installed at the bottom, a power transmission sheet is arranged at the top center of the connecting plate, a power receiving clip is fixed at the position corresponding to the bottom of the power distribution module and the power transmission sheet, a compression spring is installed on the top of the connecting plate, and the bottom of the lead screw is lifted by lifting The assembly is engaged and slidably connected to the connecting plate.

Preferably, the power assembly includes a drive motor, a rotating wheel and a transmission belt, the bottom of the drive motor and the top of the cabinet are fixedly connected to each other, the power output end of the drive motor and the outer wall of the fan blade are fixedly connected with a rotating wheel, and the two rotating The wheels are connected by a transmission belt, and the transmission belt runs through the top of the cabinet.

Preferably, the transmission assembly includes a bevel gear, a bevel gear ring and an electric telescopic rod, the bevel gear and the top of the lead screw are fixedly connected to each other, the bevel gear ring is symmetrically arranged around the outer wall of the connecting rod on the top of the lead screw, and the electric telescopic rod The bearing is respectively connected with the outer wall of the top end and the bottom end of the lead screw in rotation, and the end of the electric telescopic rod away from the lead screw is fixedly connected with the inner wall of the cabinet.

Preferably, the lifting assembly includes a helical gear ring, a threaded ring, a card and a rack, the helical gear ring and the bottom of the screw are fixedly connected to each other, the outer wall of the helical gear ring is surrounded by a threaded ring, and the inner wall of the threaded ring is inclined A card is rotatably connected, and the card and the helical gear ring form a ratchet structure, the rack and the side wall of the connecting plate are fixed to each other, and the rack and the outer wall of the threaded ring are meshed and slidably connected.

Preferably, the top of the compression spring is horizontally and fixedly connected with a baffle plate, two sides of the connecting plate are slidably connected to the inner wall of the cabinet body, and one side of the connecting plate is provided with a power cord, and the power cord is respectively connected with the connecting plate through the connecting plate. A plurality of power transmission sheets on the top of the board are electrically connected, and the power transmission sheets pass through the baffle and correspond to each other at the center of the power receiving clip.

Preferably, one end of the fire extinguishing tank is communicated with the nozzle through a feeding pipe, an arc-shaped sunshade is installed on the top of the fire extinguishing tank, an air outlet is provided on the side wall of the cabinet near the fan blade, and the cabinet is far from the heat dissipation block. A cabinet door is installed on one side.

Preferably, the discharge port of the fire extinguishing tank is provided with an electronic valve, a temperature sensor is installed at the position of the cabinet door close to the power distribution module, a heat sink is provided on the side of the heat dissipation block away from the power distribution module, and the outer wall of the wire ring and the inner wall of the cabinet are provided. Sliding connection to each other.

Compared with the prior art, the beneficial effects of the present invention are:

1. Through the combination of the heat dissipation block, the fan blade and the power components on the top, the heat generated by the power distribution module can be effectively transferred to the internal coolant through the heat dissipation block, and then the heat is dissipated through the heat dissipation fins on the back, and The drive motor drives the rotating wheel of the outer wall of the transmission rod to rotate through the transmission belt, and then drives the fan blade to rotate through the transmission rod, so that the air on one side of the heat sink flows rapidly, which in turn drives the internal rapid cooling, and can also realize the internal air flow and prevent moisture. Affects internal electrical equipment.

2. Through the cooperation of the power assembly, the transmission assembly and the lead screw, the power assembly drives the connecting belt to rotate through the pulley at one end of the transmission rod, and then makes the connecting rod rotate, so that the connecting rod can continuously drive the bevel gear ring to rotate. In the event of a fire, the lead screw is moved by the electric telescopic rod, the bevel gear on the top of the lead screw meshes with the bevel gear ring, the bevel gear ring and the bevel gear drive the lead screw to rotate, and the lead ring moves to the bottom. The pipe and the sprinkler are connected to each other, and the electronic valve is opened, so that the fire extinguishing tank can continuously spray the power distribution module, so as to achieve the effect of timely flame retardant and prevent the further expansion of the fire.

3. Through the mutual cooperation of the power transmission sheet, the power receiving clip, and the lifting components, when the electric telescopic rod pushes the lead screw to the side away from the power distribution module, the threaded ring and the rack can be separated from each other, and then through the extrusion on the top of the connecting plate. The pressure spring makes the connecting plate slide to the bottom, which in turn drives the power transmission sheet to slide to the bottom, so that the power receiving clip and the power transmission sheet are separated from each other, so that the power supply can be disconnected in time, and when it needs to be reconnected, the connecting plate is reconnected to the top. Squeeze to make the power receiving clip and the power transmission piece fit each other, and then drive the lead screw to approach the connecting plate through the electric telescopic rod, so that the rack and the threaded ring are re-clamped to prevent separation.

Description of drawings

1 is a schematic diagram of a fire-proof safety distribution cabinet proposed by the present invention;

2 is a top view of the structure of a fire-proof safety distribution cabinet proposed by the present invention;

Fig. 3 is the enlarged view of A place in Fig. 2;

Fig. 4 is an enlarged view at B in Fig. 2;

5 is a top view of the internal structure of a fire-proof safety distribution cabinet proposed by the present invention;

FIG. 6 is a schematic diagram of the internal structure of a fire-proof safety power distribution cabinet lifting assembly proposed by the present invention.

In the figure: 1. Cabinet body; 2. Power distribution module; 3. Cooling block; 4. Fan blade; 5. Transmission rod; 6. Connecting rod; 7. Pulley; 8. Connecting belt; 9. Power assembly; 901, Drive motor; 902, rotating wheel; 903, transmission belt; 10, lead screw; 11, transmission assembly; 111, bevel gear; 112, bevel gear ring; 113, electric telescopic rod; 12, wire ring; 13, nozzle; 14, Fire extinguishing tank; 141, feeding pipe; 15, connecting plate; 16, power transmission sheet; 17, power receiving clip; 18, squeeze spring; 19, lifting assembly; 191, helical gear ring; 192, threaded ring; 193, card ; 194, rack; 20, arc sunshade; 21, cabinet door.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-6, a fire-proof safety power distribution cabinet includes a cabinet body 1, the interior of the cabinet body 1 is vertically arranged with a power distribution module 2, and one side of the cabinet body 1 is vertically fixed and connected with a heat sink 3. A fan blade 4 is provided on the side of the top center of the heat dissipation block 3 away from the power distribution module 2. The center of the fan blade 4 penetrates the interior of the heat dissipation block 3 through the transmission rod 5, and the top of the heat dissipation block 3 is away from the fan blade 4. A connecting rod 6 is connected to each end in a horizontal rotation, and a pulley 7 is fixed on the outer wall of one end of the transmission rod 5 and the connecting rod 6 that are close to each other. The power assembly 9, the bottom of one end of the connecting rod 6 away from the heat dissipation block 3 is vertically installed with a lead screw 10, and the top of the connecting rod 6 close to the lead screw 10 is rotatably connected with the lead screw 10 through the transmission assembly 11. The outer wall of the lead screw 10 A wire ring 12 is arranged around the wire ring 12, a sprinkler 13 is installed on one side of the wire ring 12, a plurality of fire extinguishing tanks 14 are horizontally arranged on the top of the cabinet 1, and a connecting plate 15 is installed on the bottom of the power distribution module 2. A power transmission sheet 16 is arranged in the center of the top, a power receiving clip 17 is fixed at the position corresponding to the bottom of the power distribution module 2 and the power transmission sheet 16, a compression spring 18 is installed on the top of the connecting plate 15, and the bottom of the lead screw 10 passes through the lifting assembly 19. Sliding connection with the connecting plate 15 is engaged.

The power assembly 9 includes a drive motor 901, a rotating wheel 902 and a transmission belt 903. The bottom of the drive motor 901 is fixedly connected to the top of the cabinet 1. The power output end of the drive motor 901 and the outer wall of the fan blade 4 are fixedly connected with a rotating wheel 902. , the two rotating wheels 902 are connected by a transmission belt 903 , and the transmission belt 903 runs through the top of the cabinet 1 .

The transmission assembly 11 includes a bevel gear 111 , a bevel gear ring 112 and an electric telescopic rod 113 . The bevel gear 111 is fixedly connected to the top of the lead screw 10 , and the bevel gear ring 112 is symmetrically arranged around the outer wall of the connecting rod 6 at the top of the lead screw 10 . The electric telescopic rod 113 is rotatably connected to the outer wall of the top end and the bottom end of the lead screw 10 through bearings, and the end of the electric telescopic rod 113 away from the lead screw 10 is fixedly connected to the inner wall of the cabinet 1 .

The lifting assembly 19 includes a helical gear ring 191, a threaded ring 192, a card 193 and a rack 194. The helical gear ring 191 is fixedly connected to the bottom of the lead screw 10. The outer wall of the helical gear ring 191 is surrounded by a threaded ring 192. The inner wall of 192 is connected with a card 193 in an inclined rotation, and the card 193 and the helical gear ring 191 form a ratchet structure.

The top of the compression spring 18 is horizontally and fixedly connected with a baffle plate. The two sides of the connecting plate 15 are slidably connected to the inner wall of the cabinet 1. One side of the connecting plate 15 is provided with a power line, and the power line is connected to the connecting plate 15 respectively. The plurality of power transmission sheets 16 on the top of the board 15 are electrically connected, and the power transmission sheets 16 pass through the baffle plate and correspond to the center of the power receiving clip 17. The compression spring 18 makes the connection board 15 slide to the bottom, which in turn drives the power transmission sheet 16 to move toward the bottom. The bottom slides so that the power receiving clip 17 and the power transmission sheet 16 are separated from each other, and the power supply can be disconnected in time.

One end of the fire extinguishing tank 14 is communicated with the nozzle 13 through the feeding pipe 141 respectively. The top of the fire extinguishing tank 14 is installed with an arc-shaped sunshade 20. The side wall of the cabinet 1 is provided with an air outlet near the fan blade 4, and the cabinet 1 is far from A cabinet door 21 is installed on one side of the heat dissipation block 3, and the fire extinguishing tank 14 continuously sprays the power distribution module 2, so as to achieve the effect of timely flame retardant and prevent the fire from further expanding.

The discharge port of the fire extinguishing tank 14 is provided with an electronic valve, the cabinet door 21 is installed with a temperature sensor at the position close to the power distribution module 2, the heat sink 3 is provided with a heat sink on the side away from the power distribution module 2, and the outer wall of the wire ring 12 is connected to the cabinet body. 1 The inner walls are slidingly connected to each other.

Working principle: Through the combination of the heat dissipation block 3, the fan blade 4 and the power component 9 at the top, the heat generated by the power distribution module 2 can be effectively transferred to the internal coolant through the heat dissipation block 3 when the power distribution module 2 is energized, and then pass through the back. The heat sink disperses heat, and the drive motor 901 drives the rotating wheel 902 on the outer wall of the transmission rod 5 to rotate through the transmission belt 903, and then drives the fan blade 4 to rotate through the transmission rod 5, so that the air on one side of the heat sink flows rapidly, and then drives the interior to rapidly cool down , and can also achieve internal air flow, prevent moisture from affecting the internal electrical equipment, through the cooperation of the power assembly 9, the transmission assembly 11 and the lead screw 10, the power assembly 9 drives the connecting belt 8 through the pulley 7 at one end of the transmission rod 5 Rotate, and then make the connecting rod 6 rotate, so that the connecting rod 6 can continuously drive the bevel gear ring 112 to rotate. When a fire occurs, the lead screw 10 is pushed to move by the electric telescopic rod 113, and the bevel gear 111 on the top of the lead screw 10 and the The bevel gear ring 112 meshes with each other, and the bevel gear ring 112 drives the screw 10 to rotate with the bevel gear 111, and drives the screw ring 12 to move to the bottom. Since the fire extinguishing tank 14 is connected with the nozzle 13 through the feeding pipe 141, the electronic valve is opened, so that the The fire extinguishing tank 14 continuously sprays the power distribution module 2 to achieve the effect of timely flame retardant and prevent further expansion of the fire. When pushed to the side away from the power distribution module 2, the threaded ring 192 and the rack 194 can be separated from each other, and then the connecting plate 15 is slid to the bottom by the compression spring 18 on the top of the connecting plate 15, thereby driving the power transmission plate 16 to move toward the bottom. The bottom is slid so that the power receiving clip 17 and the power transmission sheet 16 are separated from each other, the power supply can be disconnected in time, and when it needs to be reconnected, the connecting plate 15 is pressed to the top again, so that the power receiving clip 17 and the power transmission sheet 16 The electric telescopic rod 113 drives the lead screw 10 to approach the connecting plate 15, so that the rack 194 and the threaded ring 192 are re-clamped to prevent separation.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (6)

1. A fire-proof safety power distribution cabinet, comprising a cabinet body (1), characterized in that a power distribution module (2) is vertically arranged inside the cabinet body (1), A heat dissipation block (3) is vertically and fixedly connected on one side, and a fan blade (4) is arranged on the side of the top center of the heat dissipation block (3) away from the power distribution module (2), and the center of the fan blade (4) passes through the transmission rod. (5) Running through the interior of the heat dissipation block (3), the top of the heat dissipation block (3) away from the fan blade (4) is connected with a connecting rod (6) by horizontal rotation at both ends, and the transmission rod (5) is connected with the connecting rod (6). A pulley (7) is fixedly connected to the outer wall of one end close to each other, and the multiple pulleys (7) are connected by a connecting belt (8). (6) A lead screw (10) is installed vertically at the bottom of one end away from the heat sink (3), and the connecting rod (6) is connected to the top of the lead screw (10) through the transmission assembly (11) and the lead screw (10). Rotating connection, the outer wall of the screw (10) is surrounded by a wire ring (12), a nozzle (13) is installed on one side of the wire ring (12), and a plurality of fire extinguishing tanks are arranged horizontally on the top of the cabinet (1). (14), a connecting plate (15) is installed at the bottom of the power distribution module (2), a power transmission sheet (16) is arranged at the top center of the connecting plate (15), and the bottom of the power distribution module (2) is connected with the power transmission sheet (16) The power receiving clips (17) are fixed at positions corresponding to each other, a compression spring (18) is installed on the top of the connecting plate (15), and the bottom of the lead screw (10) engages and slides with the connecting plate (15) through the lifting assembly (19). connection, the transmission assembly (11) includes a bevel gear (111), a bevel gear ring (112) and an electric telescopic rod (113), the bevel gear (111) and the top of the lead screw (10) are fixedly connected to each other, and the bevel gear ring (112) is symmetrically arranged around the outer wall of the connecting rod (6) at the top of the lead screw (10), and the electric telescopic rod (113) is rotatably connected to the outer wall of the top end and the bottom end of the lead screw (10) through bearings. (113) One end away from the lead screw (10) is fixedly connected to the inner wall of the cabinet (1). 2. A fire-proof safety power distribution cabinet according to claim 1, characterized in that the power assembly (9) comprises a drive motor (901), a rotating wheel (902) and a transmission belt (903), and the drive motor The bottom of (901) and the top of the cabinet (1) are fixedly connected to each other, the power output end of the drive motor (901) and the outer wall of the fan blade (4) are fixedly connected with a rotating wheel (902), two rotating wheels (902) ) are connected by a transmission belt (903), and the transmission belt (903) runs through the top of the cabinet (1). 3. A fire-proof safety power distribution cabinet according to claim 1, characterized in that, the lifting assembly (19) comprises a helical toothed ring (191), a threaded ring (192), a card (193) and a toothed ring (192) The strip (194), the helical gear ring (191) and the bottom of the lead screw (10) are fixedly connected to each other, the outer wall of the helical gear ring (191) is surrounded by a threaded ring (192), and the inner wall of the threaded ring (192) is inclined A card (193) is rotatably connected, and the card (193) and the helical gear ring (191) form a ratchet structure, the rack (194) and the side wall of the connecting plate (15) are fixed to each other, the rack (194) and the threaded ring (192) ) of the outer wall engages the sliding connection. 4. The fire-proof safety power distribution cabinet according to claim 1, wherein the top of the compression spring (18) is fixedly connected with a baffle plate horizontally, and the two sides of the connecting plate (15) are connected to the The inner walls of the cabinet (1) are slidably connected to each other, one side of the connecting plate (15) is provided with a power line, and the power line is electrically connected to the plurality of power transmission sheets (16) on the top of the connecting plate (15) through the connecting plate (15) respectively. connected, the power transmission sheet (16) penetrates through the baffle and corresponds to the center of the power receiving clip (17). 5. A fire-proof safety power distribution cabinet according to claim 1, characterized in that one end of the fire extinguishing tank (14) is communicated with the nozzle (13) through a material conveying pipe (141), respectively, and the fire extinguishing tank A curved sunshade (20) is installed on the top of (14), an air outlet is provided on the side wall of the cabinet (1) close to the fan blade (4), and the cabinet (1) is installed on the side away from the heat dissipation block (3). There are cabinet doors (21). 6. A fire-proof safety power distribution cabinet according to claim 1, characterized in that, the discharge port of the fire extinguishing tank (14) is provided with an electronic valve, and the cabinet door (21) is close to the power distribution module (2). ) are installed with temperature sensors, the heat sink (3) is provided with a heat sink on the side away from the power distribution module (2), and the outer wall of the wire ring (12) is slidably connected to the inner wall of the cabinet (1).

Images