Automatic fire extinguishing device for power distribution cabinet

Abstract

The utility model discloses an automatic fire extinguishing device for a power distribution cabinet, which belongs to the technical field of power distribution cabinets, and comprises a power distribution cabinet shell, one end of the power distribution cabinet shell is connected with the corresponding end of a storage box, fire extinguishing agent is filled in the storage box, one end of the power distribution cabinet shell is provided with a sliding chute, a sliding block is connected in the sliding chute in a sliding manner, and the sliding block is connected with the power distribution cabinet shell. The inner wall of the sliding block is in threaded connection with the outer wall of a lead screw, and the outer wall of the lead screw is clamped with the inner wall of the power distribution cabinet shell. According to the automatic fire extinguishing device for the power distribution cabinet, by arranging a sliding groove, a sliding block, a lead screw, a first motor and a first pressure pump, in the using process of the fire extinguishing device, fire extinguishing treatment can be conducted on the interior of a power distribution cabinet shell through a fire extinguishing agent, meanwhile, a first spray head is moved, and the spraying range of the first spray head can be widened; the situation of fire extinguishing dead angles is avoided, the situation that fire spreads to burn out surrounding facilities can be avoided by automatically extinguishing flames, and economic losses are reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of power distribution cabinets, in particular to an automatic fire extinguishing device for a power distribution cabinet. Background Art

[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet. It is the terminal equipment of the distribution system. The distribution cabinet is a general term for the motor control center. The distribution cabinet is used in occasions with relatively dispersed loads and fewer circuits; the motor control center is used in occasions with concentrated loads and more circuits. They distribute the electrical energy of a circuit of the upper-level distribution equipment to the nearest load.

[0003] A Chinese patent discloses an automatic fire extinguishing device for a distribution cabinet, with the announcement number CN213789696U. The article states that "it includes a distribution cabinet and a controller, a smoke sensor and a temperature sensor are respectively fixed on the inner surface of the top of the distribution cabinet, the smoke sensor and the temperature sensor are connected to the input port of the controller through a line, the output port of the controller is respectively connected to the alarm and the travel switch through a signal line, the travel switch is fixed to the rear of the valve on the top of the fire extinguisher tank outside the distribution cabinet, and a pipeline is connected between the air outlet of the fire extinguisher tank and the distribution cabinet." Existing distribution cabinets usually do not have fire extinguishing devices. When the internal components of the distribution cabinet overheat and burn, it is difficult to quickly extinguish the flames, which makes it easy for the distribution cabinet to cause a joint reaction and cause the surrounding facilities to burn. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an automatic fire extinguishing device for a distribution cabinet, which solves the problem that the existing distribution cabinets usually do not have fire extinguishing devices. When the internal components of the distribution cabinet overheat and burn, it is difficult to quickly extinguish the flames, which makes the distribution cabinet prone to chain reactions and causes the surrounding facilities to burn.

[0005] The technical solution of the utility model is as follows: an automatic fire extinguishing device for a distribution cabinet, comprising a distribution cabinet shell, one end of the distribution cabinet shell is connected to an end corresponding to a storage box, the storage box is filled with fire extinguishing agent, a slide groove is provided at one end of the distribution cabinet shell, a slider is slidably connected in the slide groove, the inner wall of the slider is threadedly connected to the outer wall of the screw rod, the outer wall of the screw rod and the inner wall of the distribution cabinet shell are mutually clamped, one end of the screw rod is connected to the output end of the first motor, the side of the first motor is connected to the side corresponding to the distribution cabinet shell, the inner wall of the slider is connected to the outer wall of the first pipe, one end of the first pipe is provided with a first nozzle, the other end of the first pipe is connected to the inner wall of the storage box, the top of the storage box is connected to the bottom of the first booster pump, and the output end of the first booster pump is connected to the first pipe.

[0006] As a further solution of the utility model: the top of the distribution cabinet casing is connected to the bottom of the storage cylinder, the interior of the storage cylinder is connected to one end of the second pipe, the other end of the second pipe is connected to the interior of the storage box, the top of the storage box is connected to the bottom of the second booster pump, and the output end of the second booster pump is connected to the second pipe.

[0007] As a further solution of the utility model: a sealed bearing is clamped in the storage cylinder, the inner wall of the sealed bearing is connected to the outer wall of the third pipe, one end of the third pipe is connected to the storage cylinder, and the other end of the third pipe is provided with a second nozzle.

[0008] As a further solution of the utility model: the outer wall of the third pipe is connected to the inner wall of the first synchronous wheel, the first synchronous wheel is connected to the second synchronous wheel through a synchronous belt, the inner wall of the second synchronous wheel is connected to the output end of the second motor, and the bottom of the second motor is connected to the top of the distribution cabinet casing.

[0009] As a further solution of the utility model: the outer wall of the second pipeline is connected to the inner wall of the fixing plate, and one end of the fixing plate is connected to a corresponding end of the outer shell of the power distribution cabinet.

[0010] As a further solution of the utility model: one side of the power distribution cabinet housing is connected to the side corresponding to the bearing seat, a rotating bearing is arranged in the bearing seat, and the bearing seat is mutually clamped with the screw rod through the rotating bearing.

[0011] As a further solution of the utility model: fire doors are arranged on both sides of the power distribution cabinet housing, and the fire doors are filled with flame retardants.

[0012] As a further solution of the utility model: the housing of the power distribution cabinet is hinged to the control door through a hinge, and a handle is provided at one end of the control door.

[0013] The working principle and beneficial effects of the utility model are:

[0014] 1. The automatic fire extinguishing device of the power distribution cabinet is provided with a storage box, a slide groove, a slider, a screw rod, a first motor, a first pipeline and a first pressure pump. When in use, the first motor is started, and the rotation of the first motor drives the screw rod to rotate. Since the screw rod and the slider are threadedly connected, the slider can be driven to move by the screw rod, and the movement of the slider drives the first pipeline and the first nozzle to move. Then the first pressure pump is started, and the first pressure pump pressurizes the first pipeline, so that the first pipeline draws out the fire extinguishing agent in the storage box and sprays it through the first nozzle. During the use of the fire extinguishing device, the fire extinguishing agent can be used to extinguish the fire inside the shell of the power distribution cabinet. At the same time, the first nozzle is moved to increase the spraying range of the first nozzle, avoid the situation of fire extinguishing blind spots, and automatically extinguish the flame to avoid the spread of fire to burn surrounding facilities, thereby reducing economic losses.

[0015] 2. The automatic fire extinguishing device of the distribution cabinet is provided with a sealed bearing, a third pipe, a first synchronous wheel, a synchronous belt, a second synchronous wheel and a second motor. When in use, the second motor is started, and the rotation of the second motor drives the second synchronous wheel to rotate, the rotation of the second synchronous wheel drives the synchronous belt to rotate, the rotation of the synchronous belt drives the first synchronous wheel to rotate, and the rotation of the first synchronous wheel drives the third pipe to rotate. The fire extinguishing device rotates the third pipe so that the third pipe can evenly extinguish the fire on the outside of the distribution cabinet shell, and cooperates with the fire extinguishing treatment on the inside of the distribution cabinet shell, so that the fire extinguishing device can extinguish the fire inside and outside the distribution cabinet shell at the same time, thereby ensuring the fire extinguishing efficiency of the fire extinguishing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional structural diagram of the screw rod of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the synchronous belt of the utility model;

[0020] Figure 4 It is a three-dimensional structural diagram of the control door of the utility model;

[0021] In the figure: 1 distribution cabinet housing, 2 storage box, 3 slide, 4 slider, 5 screw, 6 first motor, 7 first pipeline, 8 first nozzle, 9 first booster pump, 10 storage cylinder, 11 second pipeline, 12 second booster pump, 13 sealing bearing, 14 third pipeline, 15 second nozzle, 16 first synchronous wheel, 17 synchronous belt, 18 second synchronous wheel, 19 second motor, 20 fixed plate, 21 rotating bearing, 22 bearing seat, 23 fire door, 24 control door. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-4As shown, the utility model provides a technical solution: an automatic fire extinguishing device for a power distribution cabinet, comprising a power distribution cabinet shell 1, one end of the power distribution cabinet shell 1 is connected to the corresponding end of a storage box 2, the storage box 2 is filled with a fire extinguishing agent, a slide groove 3 is provided at one end of the power distribution cabinet shell 1, a slider 4 is slidably connected in the slide groove 3, the inner wall of the slider 4 is threadedly connected to the outer wall of a screw rod 5, the outer wall of the screw rod 5 is mutually clamped with the inner wall of the power distribution cabinet shell 1, one end of the screw rod 5 is connected to the output end of a first motor 6, the side of the first motor 6 is connected to the corresponding side of the power distribution cabinet shell 1, the inner wall of the slider 4 is connected to the outer wall of a first pipe 7, one end of the first pipe 7 is provided with a first nozzle 8, the other end of the first pipe 7 is connected to the inner wall of the storage box 2, the storage box 2 The top of the power distribution cabinet housing 1 is connected to the bottom of the first booster pump 9, the output end of the first booster pump 9 is connected to the first pipeline 7, the top of the power distribution cabinet housing 1 is connected to the bottom of the storage cylinder 10, the interior of the storage cylinder 10 is connected to one end of the second pipeline 11, the other end of the second pipeline 11 is connected to the interior of the storage box 2, the top of the storage box 2 is connected to the bottom of the second booster pump 12, the output end of the second booster pump 12 is connected to the second pipeline 11, a sealed bearing 13 is clamped in the storage cylinder 10, the inner wall of the sealed bearing 13 is connected to the outer wall of the third pipeline 14, one end of the third pipeline 14 is connected to the storage cylinder 10, the other end of the third pipeline 14 is provided with a second nozzle 15, the outer wall of the third pipeline 14 is connected to the inner wall of the first synchronous wheel 16 The first synchronous wheel 16 is connected to the second synchronous wheel 18 through a synchronous belt 17, the inner wall of the second synchronous wheel 18 is connected to the output end of the second motor 19, and the bottom of the second motor 19 is connected to the top of the power distribution cabinet housing 1. By setting a sealed bearing 13, a third pipeline 14, a first synchronous wheel 16, a synchronous belt 17, a second synchronous wheel 18 and a second motor 19, when in use, the second motor 19 is started, the second motor 19 rotates to drive the second synchronous wheel 18 to rotate, the second synchronous wheel 18 rotates to drive the synchronous belt 17 to rotate, the synchronous belt 17 rotates to drive the first synchronous wheel 16 to rotate, and the first synchronous wheel 16 rotates to drive the third pipeline 14 to rotate. The fire extinguishing device rotates the third pipeline 14 so that the third pipeline 14 can be The fire extinguishing treatment is evenly carried out on the outside of the power distribution cabinet housing 1, and the fire extinguishing treatment is carried out on the inside of the power distribution cabinet housing 1, so that the fire extinguishing device can extinguish the fire inside and outside of the power distribution cabinet housing 1 at the same time, thereby ensuring the fire extinguishing efficiency of the fire extinguishing device. The outer wall of the second pipe 11 is connected to the inner wall of the fixing plate 20, and one end of the fixing plate 20 is connected to the corresponding end of the power distribution cabinet housing 1. By setting the fixing plate 20, the second pipe 11 can be fixed to avoid the shaking of the second pipe 11. One side of the power distribution cabinet housing 1 is connected to the corresponding side of the bearing seat 22. A rotating bearing 21 is arranged in the bearing seat 22. The bearing seat 22 is mutually clamped with the screw rod 5 through the rotating bearing 21. By setting the rotating bearing 21 and the bearing seat 22,It can play the role of limiting and supporting during the rotation of the screw rod 5, preventing the screw rod 5 from shaking during the rotation and affecting its transmission effect. At the same time, it can reduce the friction generated when the screw rod 5 rotates, ensure its rotation accuracy, and then ensure its rotation stability. Fire doors 23 are provided on both sides of the power distribution cabinet housing 1, and the fire doors 23 are filled with flame retardants. The power distribution cabinet housing 1 is hinged with the control door 24 through hinges, and a handle is provided at one end of the control door 24.

[0024] The working principle of the utility model is:

[0025] When in use, the first motor 6 is started, and the rotation of the first motor 6 drives the screw rod 5 to rotate. Since the screw rod 5 and the slider 4 are threadedly connected, the slider 4 can be driven to move by the screw rod 5, and the movement of the slider 4 drives the first pipe 7 and the first nozzle 8 to move. Then the first booster pump 9 is started, and the first booster pump 9 pressurizes the first pipe 7, so that the first pipe 7 draws out the fire extinguishing agent in the storage box 2 and sprays it through the first nozzle 8, and the inside of the distribution cabinet housing 1 can be extinguished. At the same time, the second motor 19 is started, and the second motor 19 rotates to drive the second synchronous wheel 18 to rotate, and the second synchronous wheel 18 rotates to drive the synchronous belt 17 to rotate, and the synchronous belt 17 rotates to drive the first synchronous wheel 16 to rotate, and the first synchronous wheel 16 rotates to drive the third pipe 14 and the third nozzle to rotate, and then the second booster pump 12 is started, and the second booster pump 12 pressurizes the second pipe 11, so that the second pipe 11 draws out the fire extinguishing agent in the storage box 2 and sprays it through the third nozzle, and the outside of the distribution cabinet housing 1 can be extinguished.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic fire extinguishing device for a power distribution cabinet, comprising a power distribution cabinet housing (1), characterized in that: One end of the power distribution cabinet housing (1) is connected to a corresponding end of a storage box (2), the storage box (2) is filled with a fire extinguishing agent, one end of the power distribution cabinet housing (1) is provided with a slide groove (3), a slider (4) is slidably connected in the slide groove (3), the inner wall of the slider (4) is threadedly connected to the outer wall of the screw rod (5), the outer wall of the screw rod (5) and the inner wall of the power distribution cabinet housing (1) are mutually engaged, one end of the screw rod (5) is connected to the output end of the first motor (6), the side of the first motor (6) is connected to the side corresponding to the power distribution cabinet housing (1), the inner wall of the slider (4) is connected to the outer wall of the first pipe (7), one end of the first pipe (7) is provided with a first nozzle (8), the other end of the first pipe (7) is connected to the inner wall of the storage box (2), the top of the storage box (2) is connected to the bottom of the first booster pump (9), and the output end of the first booster pump (9) is connected to the first pipe (7).

2. The automatic fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: The top of the distribution cabinet housing (1) is connected to the bottom of the storage cylinder (10), the interior of the storage cylinder (10) is connected to one end of a second pipe (11), the other end of the second pipe (11) is connected to the interior of a storage box (2), the top of the storage box (2) is connected to the bottom of a second booster pump (12), and the output end of the second booster pump (12) is connected to the second pipe (11).

3. The automatic fire extinguishing device for a power distribution cabinet according to claim 2 is characterized in that: A sealing bearing (13) is clamped inside the storage cylinder (10), the inner wall of the sealing bearing (13) is connected to the outer wall of a third pipe (14), one end of the third pipe (14) is connected to the storage cylinder (10), and the other end of the third pipe (14) is provided with a second nozzle (15).

4. The automatic fire extinguishing device for a power distribution cabinet according to claim 3 is characterized in that: The outer wall of the third pipe (14) is connected to the inner wall of the first synchronous wheel (16); the first synchronous wheel (16) is transmission-connected to the second synchronous wheel (18) via a synchronous belt (17); the inner wall of the second synchronous wheel (18) is connected to the output end of the second motor (19); and the bottom of the second motor (19) is connected to the top of the power distribution cabinet housing (1).

5. The automatic fire extinguishing device for a power distribution cabinet according to claim 2, characterized in that: The outer wall of the second pipe (11) is connected to the inner wall of the fixing plate (20), and one end of the fixing plate (20) is connected to a corresponding end of the outer shell (1) of the power distribution cabinet.

6. The automatic fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: One side of the power distribution cabinet housing (1) is connected to a side corresponding to a bearing seat (22); a rotating bearing (21) is provided in the bearing seat (22); and the bearing seat (22) and the screw rod (5) are mutually clamped via the rotating bearing (21).

7. The automatic fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: Fire doors (23) are provided on both sides of the power distribution cabinet housing (1), and the fire doors (23) are filled with flame retardant.

8. The automatic fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: The power distribution cabinet housing (1) is hingedly connected to a control door (24) via a hinge, and a handle is provided at one end of the control door (24).

Images