Gas fire extinguishing device for power distribution cabinet

Abstract

The utility model relates to the technical field of gas fire extinguishing, in particular to a gas fire extinguishing device for a power distribution cabinet, which comprises a power distribution cabinet body, a storage tank, a gas guide mechanism and a gas suction mechanism, the storage tank is arranged in the power distribution cabinet body, the gas guide mechanism comprises a gas outlet pipe, a gas guide pipe, a shunt pipe, a gas spraying head and a rotating wind head, a first electromagnetic valve is arranged on the air outlet pipe, the air guide pipe is arranged on the air outlet pipe, the flow dividing pipes are arranged on the air guide pipe, the air spraying heads are arranged on the flow dividing pipes, and the rotating air heads are rotationally installed on the air spraying heads. The air suction mechanism comprises an air suction pipe, a filter box and an exhaust fan, the filter box and the exhaust fan are arranged at the upper end of the power distribution cabinet body, one end of the air suction pipe communicates with the power distribution cabinet body, and the other end communicates with the filter box; inert gas is sprayed out through rotation of the rotating wind head, the spraying range is enlarged, the diffusion speed is increased, the inert gas evenly and rapidly covers the whole power distribution cabinet, and the fire extinguishing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas fire extinguishing technology field, concretely relates to a gas fire extinguishing device for switch board. BACKGROUND

[0002] The gas fire extinguishing device is a fire extinguishing device using gas to extinguish fire, which releases inert gas rapidly into the fire area to reduce the oxygen concentration to a level that cannot support combustion, thereby effectively inhibiting the combustion of the fire source; compared with the traditional water extinguishing method, the gas fire extinguishing device will not cause water damage to the equipment, and is widely used in electrical equipment, data centers, precision instruments, archives and other places where water extinguishing is not suitable.

[0003] In the prior art, for example, a Chinese patent with the publication number CN222110765U and the name of a gas fire extinguishing device for switch board discloses a technical solution in which the device is cooperated with a driving motor, a connecting ring, a spray head, a hollow plate and a rotating rod, so that the driving motor drives the rotating rod to rotate, and then the connecting ring drives the hollow plate to rotate, thereby adjusting the angle of the spray head and allowing the fire extinguishing substance to be fully sprayed into the switch board; however, the spray head of the device is arranged above the switch board, although the angle of the spray head can be adjusted, but the extinguishing gas still needs a certain flow time when extinguishing fire, and when the lower part of the switch board is on fire, there is a risk that the fire cannot be quickly controlled. UTILITY MODEL CONTENT

[0004] The utility model provides a gas fire extinguishing device for switch board to solve the above problems.

[0005] The utility model discloses the following technical scheme: A kind of gas fire extinguishing device for switch board, including switch board body, storage tank, gas guide mechanism and suction mechanism;Switch board body front end is hinged with cabinet door and installation door;The lower end of switch board body is fixedly installed with support, and the lower end of support is fixedly installed with friction plate;Horizontal plate is fixedly installed in switch board body, and partition plate is fixedly installed in switch board body, and partition plate is vertically arranged on the upper end of horizontal plate two sides;Storage tank is arranged below horizontal plate, and storage tank is fixedly installed in switch board body;Gas guide mechanism includes gas outlet pipe, gas guide pipe, shunt pipe and jet head, and gas outlet pipe is fixedly installed on storage tank, and first solenoid valve is fixedly installed on gas outlet pipe, and gas guide pipe is fixedly installed on gas outlet pipe, and shunt pipe is provided with multiple, and multiple shunt pipes are evenly distributed along the axial direction of gas guide pipe, and shunt pipe is fixedly installed on gas guide pipe, and shunt pipe is arranged between the inner wall of switch board body and partition plate, and jet head is provided with multiple, and multiple jet heads are evenly distributed along the axial direction of shunt pipe, and jet head is fixedly installed on shunt pipe, and jet head penetrates partition plate;Suction mechanism is arranged on the upper end of switch board body, and suction mechanism is used to suck and purify the smoke generated after fire extinguishing;When fire occurs in switch board body, first solenoid valve opens, and inert gas stored in storage tank enters multiple shunt pipes through gas outlet pipe and gas guide pipe, and then is sprayed into switch board body through multiple jet heads, and multiple jet heads can uniformly and rapidly cover the entire switch board body with inert gas, ensure that each region in switch board body can be timely covered by inert gas, rapidly reduce oxygen concentration to inhibit flame spread;After successful fire extinguishing, suction mechanism sucks gas in switch board body, thereby removing the smoke generated in switch board body due to fire.

[0006] Further, the gas guide mechanism further comprises a rotating air head, the jet head is provided with a mounting groove, the rotating air head is provided with a mounting hole and an air outlet hole, the air outlet hole is provided with two, the two air outlet holes and the mounting hole form a Y shape, a cooperating ring is fixedly installed in the mounting hole, and the rotating air head is rotatably installed on the jet head through the cooperating ring and the mounting groove;A turbofan is fixedly installed in the mounting hole;Inert gas is sprayed out of the jet head to drive the turbofan to rotate the rotating air head, and then the inert gas is sprayed out of the air outlet hole, the rotating air head rotates to drive the air outlet hole to rotate, so that the inert gas is sprayed out of the air outlet hole, the spraying range of the inert gas is increased to speed up the diffusion speed of the inert gas, and the inert gas uniformly and rapidly covers the entire switch board.

[0007] Further, the air suction mechanism comprises an air suction pipe, a filter box and an air suction fan, the filter box is fixedly installed on the upper end of the power distribution cabinet body, one end of the air suction pipe is communicated with the power distribution cabinet body, the other end is communicated with the filter box, a second electromagnetic valve is fixedly installed on the air suction pipe, the air suction fan is fixedly installed on the upper end of the power distribution cabinet body, the air suction fan is arranged on the side of the filter box away from the air suction pipe, and the air suction fan is communicated with the filter box; the filter box is fixedly installed with a filter screen and an activated carbon filter plate; after successful fire extinguishing, the second electromagnetic valve is opened, and the air suction fan is started to suck out residual gas in the power distribution cabinet body, and the filter screen and the activated carbon filter plate in the filter box filter out smoke and other harmful substances contained in the residual gas in the power distribution cabinet body.

[0008] The beneficial effect is that: by setting multiple jet heads, inert gas is uniformly sprayed into the power distribution cabinet body, and a rotating air head is rotatably installed on the jet head, so that the inert gas is sprayed out with the rotating air head, the inert gas spraying range is increased, the inert gas diffusion speed is accelerated, the inert gas uniformly and quickly covers the entire power distribution cabinet body, and the fire extinguishing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0010] Fig. 1 It is a structural schematic view of an embodiment of the gas fire extinguishing device for the power distribution cabinet of the present application.

[0011] Fig. 2 It is a structural schematic view of the rotating air head of the embodiment of the present application.

[0012] Fig. 3 It is an installation schematic view of the embodiment of the present application.

[0013] Fig. 4 It is a schematic view of the power distribution cabinet body of the embodiment of the present application.

[0014] In the figure: 001, power distribution cabinet body; 002, horizontal plate; 003, partition plate; 004, support; 005, cabinet door; 006, installation door; 100, storage tank; 110, air outlet pipe; 111, first electromagnetic valve; 120, air guide pipe; 130, shunt pipe; 140, jet head; 141, installation groove; 150, rotating air head; 151, mounting hole; 152, air outlet hole; 153, turbofan; 200, air suction pipe; 201, second electromagnetic valve; 210, filter box; 220, air suction fan. DETAILED DESCRIPTION

[0015] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0016] The embodiment of the utility model discloses a kind of gas fire extinguishing devices for switch board, as shown in Figs. 1 to 4 Figure: a kind of gas fire extinguishing device for switch board, including switch board body 001, storage tank 100, gas guide mechanism and suction mechanism;Switch board body 001 front end articulates with cabinet door 005 and installation door 006;Switch board body 001 lower end is fixedly installed with support 004, support 004 lower end is fixedly installed with friction plate;Switch board body 001 is fixedly installed with horizontal plate 002, switch board body 001 is fixedly installed with partition plate 003, partition plate 003 vertically sets on the upper end both sides of horizontal plate 002;Storage tank 100 is arranged below horizontal plate 002, storage tank 100 is fixedly installed in switch board body 001;Gas guide mechanism includes gas outlet pipe 110, gas guide pipe 120, shunt pipe 130 and jet head 140, gas outlet pipe 110 is fixedly installed on storage tank 100, first solenoid valve 111 is fixedly installed on gas outlet pipe 110, gas guide pipe 120 is fixedly installed on gas outlet pipe 110, shunt pipe 130 is provided with multiple, multiple shunt pipes 130 are evenly distributed along the axial direction of gas guide pipe 120, shunt pipe 130 is fixedly installed on gas guide pipe 120, shunt pipe 130 is arranged between the inner wall of switch board body 001 and partition plate 003, jet head 140 is provided with multiple, multiple jet heads 140 are evenly distributed along the axial direction of shunt pipe 130, jet head 140 is fixedly installed on shunt pipe 130, and jet head 140 penetrates partition plate 003;Suction mechanism is arranged on the upper end of switch board body 001, and the suction mechanism is used to suck and purify the smoke generated after extinguishing;When fire occurs in switch board body 001, first solenoid valve 111 opens, and the inert gas stored in storage tank 100 enters multiple shunt pipes 130 through gas outlet pipe 110 and gas guide pipe 120, and then is sprayed into switch board body 001 through multiple jet heads 140, and multiple jet heads 140 can uniformly and rapidly cover the entire switch board body 001, to ensure that each region in switch board body 001 can be covered by inert gas in time, rapidly reduce oxygen concentration to inhibit the spread of flame;After successful fire extinguishing, suction mechanism sucks the gas in switch board body 001, so as to remove the smoke generated in switch board body 001 due to fire.

[0017] The air guide mechanism further comprises a rotating air head 150, the air injection head 140 is provided with a mounting groove 141, the rotating air head 150 is provided with a mounting hole 151 and air outlet holes 152, the air outlet holes 152 are two, the air outlet holes 152 and the mounting hole 151 form a Y shape, a matching ring is fixedly installed in the mounting hole 151, the rotating air head 150 is rotatably installed on the air injection head 140 through cooperation of the matching ring and the mounting groove 141; a turbofan 153 is fixedly installed in the mounting hole 151; the inert gas is sprayed out of the air injection head 140 to drive the turbofan 153 to rotate the rotating air head 150, then the inert gas is sprayed out of the air outlet holes 152, the rotating air head 150 rotates to drive the air outlet holes 152 to rotate, so that the inert gas is sprayed out along with the rotation of the air outlet holes 152, the inert gas spraying range is increased and the inert gas diffusion speed is accelerated, and the inert gas is further evenly and rapidly covered on the entire power distribution cabinet body 001.

[0018] The air suction mechanism comprises an air suction pipe 200, a filter box 210 and an air suction fan 220, the filter box 210 is fixedly installed on the upper end of the power distribution cabinet body 001, one end of the air suction pipe 200 is communicated with the power distribution cabinet body 001, and the other end is communicated with the filter box 210, a second electromagnetic valve 201 is fixedly installed on the air suction pipe 200, the air suction fan 220 is fixedly installed on the upper end of the power distribution cabinet body 001, the air suction fan 220 is arranged on the side, away from the air suction pipe 200, of the filter box 210, and the air suction fan 220 is communicated with the filter box 210; a filter screen and an activated carbon filter plate are fixedly installed in the filter box 210; after successful fire extinguishing, the second electromagnetic valve 201 is opened, and the air suction fan 220 is started to suck out residual gas in the power distribution cabinet body 001, and smoke and other harmful substances contained in the residual gas in the power distribution cabinet body 001 are filtered out through the filter screen and the activated carbon filter plate in the filter box 210.

[0019] In combination with the above embodiment, the use principle and working process of the utility model are as follows: when a fire occurs in the power distribution cabinet body 001, the first electromagnetic valve 111 is opened, the inert gas stored in the storage tank 100 enters the plurality of shunt pipes 130 through the air outlet pipe 110 and the air guide pipe 120, and then is sprayed out through the plurality of air injection heads 140, the inert gas is sprayed out of the air injection head 140 to drive the turbofan 153 to rotate the rotating air head 150, then the inert gas is sprayed out of the air outlet holes 152, the rotating air head 150 rotates to drive the air outlet holes 152 to rotate, so that the inert gas is sprayed out along with the rotation of the air outlet holes 152, the inert gas spraying range is increased and the inert gas diffusion speed is accelerated, and the inert gas is further evenly and rapidly covered on the entire power distribution cabinet body 001, so that each region in the power distribution cabinet body 001 can be timely covered by the inert gas, the oxygen concentration is rapidly reduced, and the flame spread is inhibited.

[0020] After the fire is successfully extinguished, the second electromagnetic valve 201 is opened, and the exhaust fan 220 is started to exhaust the residual gas in the power distribution cabinet body 001, and the smoke and other harmful substances contained in the residual gas in the power distribution cabinet body 001 are filtered through the filter screen and activated carbon filter plate in the filter box 210.

[0021] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gas extinguishing device for a power distribution cabinet, characterized in that: Includes a power distribution cabinet (001), a storage tank (100), an air guiding mechanism, and an air intake mechanism; A horizontal plate (002) is fixedly installed in the power distribution cabinet (001), and a partition plate (003) is fixedly installed in the power distribution cabinet (001). The partition plate (003) is vertically arranged on both sides of the upper end of the horizontal plate (002). The storage tank (100) is located below the horizontal plate (002), and the storage tank (100) is fixedly installed inside the power distribution cabinet (001). The air guiding mechanism includes an air outlet pipe (110), an air guide pipe (120), a diverter pipe (130), and a jet nozzle (140). The air outlet pipe (110) is fixedly installed on the storage tank (100), and a first solenoid valve (111) is fixedly installed on the air outlet pipe (110). The air guide pipe (120) is fixedly installed on the air outlet pipe (110). Multiple diverter pipes (130) are provided, and the multiple diverter pipes (130) are axially aligned with the air guide pipe (120). The distribution pipe (130) is fixedly installed on the air guide pipe (120). The distribution pipe (130) is located between the inner wall of the power distribution cabinet (001) and the partition plate (003). There are multiple jet heads (140). The multiple jet heads (140) are evenly distributed along the axial direction of the distribution pipe (130). The jet heads (140) are fixedly installed on the distribution pipe (130). The jet heads (140) penetrate the partition plate (003). The suction mechanism is located at the upper end of the power distribution cabinet (001), and the suction mechanism is used to absorb and purify the smoke generated after fire extinguishing.

2. The gas extinguishing device for a power distribution cabinet according to claim 1, characterized in that: The air guiding mechanism also includes a rotating blower (150). The blower head (140) has an installation groove (141). The rotating blower head (150) has an installation hole (151) and an air outlet (152). There are two air outlets (152). The air outlets (152) and the installation holes (151) form a Y shape. A mating ring is fixedly installed in the installation hole (151). The rotating blower head (150) is rotatably mounted on the blower head (140) through the mating ring and the installation groove (141).

3. A gas extinguishing device for a power distribution cabinet according to claim 2, characterized in that: A turbofan (153) is fixedly installed in the mounting hole (151).

4. A gas extinguishing device for a power distribution cabinet according to claim 3, characterized in that: The air intake mechanism includes an air extraction pipe (200), a filter box (210), and an exhaust fan (220). The filter box (210) is fixedly installed on the upper end of the power distribution cabinet (001). One end of the air extraction pipe (200) is connected to the power distribution cabinet (001), and the other end is connected to the filter box (210). A second solenoid valve (201) is fixedly installed on the air extraction pipe (200). The exhaust fan (220) is fixedly installed on the upper end of the power distribution cabinet (001). The exhaust fan (220) is located on the side of the filter box (210) away from the air extraction pipe (200). The exhaust fan (220) is connected to the filter box (210). A filter screen and an activated carbon filter plate are fixedly installed in the filter box (210).

5. A gas extinguishing device for a power distribution cabinet according to claim 4, characterized in that: The front end of the power distribution cabinet (001) is hinged with a cabinet door (005) and an installation door (006).

6. A gas extinguishing device for a power distribution cabinet according to claim 5, characterized in that: A support (004) is fixedly installed at the lower end of the power distribution cabinet (001), and a friction plate is fixedly installed at the lower end of the support (004).

Images