Gas fire extinguishing cabinet

Abstract

The utility model relates to the technical field of fire-fighting appliances, in particular to a gas fire extinguishing cabinet which comprises a charging cabinet, a fire extinguishing frame, a fire extinguishing pipe, a fire extinguishing cover and a gas supply cabinet, the charging cabinet comprises a support and a placement plate, the fire extinguishing frame is arranged below the placement plate, and a mounting groove and a fire extinguishing groove are formed in the fire extinguishing frame; the fire extinguishing cover comprises a cover body arranged in the mounting groove and a connecting cover arranged on the spray head and connected with the cover body, through the arrangement of the fire extinguishing cover and the gas supply cabinet, the lithium battery is charged on the placement plate, the four walls of the lithium battery are not blocked, the heat dissipation effect is better, and when the lithium battery is on fire, the fire extinguishing cover covers the lithium battery and then sprays air to extinguish fire; the fire extinguishing efficiency is improved, and fire and smoke spreading is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting apparatus technical field, concretely is a kind of gas fire extinguishing cabinet. BACKGROUND

[0002] Charging cabinet is a centralized charging equipment, provides efficient, safe charging service for lithium battery and other energy storage batteries, and its core function is to realize the simultaneous charging of multiple devices through intelligent management system, but many batteries together charging has big fire hazard, thus a kind of charging cabinet with fire extinguishing function needs to be provided.

[0003] The utility model discloses a lithium battery centralized charging frame provided in publication No. CN221150980U, which comprises a main frame body, a first hollow stainless steel partition plate, a second hollow stainless steel partition plate, a third hollow stainless steel partition plate and a fourth hollow stainless steel partition plate are fixedly connected inside the main frame body, the upper parts of the second hollow stainless steel partition plate, the third hollow stainless steel partition plate and the fourth hollow stainless steel partition plate are respectively fixedly connected with a plurality of metal boxes for placing lithium batteries, the upper parts of the hollow stainless steel partition plates are provided with the metal boxes, the interiors of the metal boxes are used for placing lithium batteries to be charged, cabinet doors are rotatably connected to the front sides of the metal boxes, door closers are connected between the cabinet doors and the metal boxes, so that the interiors of the metal boxes can be kept airtight.

[0004] However, the lithium battery centralized charging frame described above has the problem that when lithium batteries are charging, the lithium batteries are sealed in the metal boxes, although the spread of fire can be prevented, the heat generated during lithium battery charging cannot be easily discharged, and the heat is likely to accumulate, which can easily cause a fire. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a gas fire extinguishing cabinet to solve the problems in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A gas fire extinguishing cabinet comprises:

[0008] A charging cabinet comprises a support and a placement plate, a fire extinguishing frame is arranged below the placement plate, and a mounting groove and a fire extinguishing groove are arranged in the fire extinguishing frame;

[0009] A fire extinguishing pipe is arranged at the bottom of the placement plate, and a spray head is arranged on the fire extinguishing pipe;

[0010] A fire extinguishing cover comprises a cover body arranged in the mounting groove and a connecting cover arranged on the spray head and connected with the cover body;

[0011] A gas supply cabinet is connected with the fire extinguishing pipe, when the battery on the placing plate catches fire, the gas supply cabinet provides fire extinguishing gas to the spray head, blows down the connecting cover on the spray head, makes the cover body fall to cover the battery, and the fire extinguishing gas sprayed by the spray head extinguishes the battery.

[0012] Preferably, the spray head comprises an electric valve I arranged on the fire extinguishing pipe, and a nozzle arranged on the electric valve I.

[0013] Preferably, the cover body comprises an upper connecting plate arranged in the mounting groove, a falling plate arranged at the bottom of the mounting groove, and fireproof cloth arranged between the upper connecting plate and the falling plate.

[0014] Preferably, the connecting cover comprises a snap ring arranged on the nozzle, a clamping groove arranged on the snap ring, a connecting ring sleeved on the snap ring, a rubber plug arranged on the connecting ring and inserted into the clamping groove, a connecting rope arranged on the connecting ring and connected with the falling plate through the side wall of the fire extinguishing groove, and a cutting ring arranged on the electric valve I.

[0015] Preferably, the top surface of the placing plate is provided with a connecting ring groove, and the placing plate is further provided with a temperature sensor.

[0016] Preferably, when the temperature sensor detects that the temperature of the battery placed on the top surface of the placing plate is higher than a set temperature, the electric valve I is opened, the gas supply cabinet supplies gas to the nozzle, the connecting ring is pushed down from the snap ring, the cutting ring cuts off the connecting rope, the falling plate falls into the connecting ring groove, the fireproof cloth covers the battery, and the nozzle sprays gas to extinguish the battery.

[0017] Preferably, the gas supply cabinet comprises a cabinet body and a tank body arranged in the cabinet body and communicated with the fire extinguishing pipe.

[0018] Preferably, the tank body is used for spraying the stored gas into the fire extinguishing pipe and then from the nozzle.

[0019] Preferably, the fire extinguishing frame is provided with an exhaust pipe, an electric valve II arranged on the exhaust pipe, and an exhaust main pipe connected with the exhaust pipe.

[0020] Preferably, when the electric valve II is opened, the smoke generated by the battery combustion is exhausted from the exhaust pipe.

[0021] Compared with the prior art, the utility model has the beneficial effects that:

[0022] The utility model discloses a fire -extinguishing cover and the setting of gas supply cabinet make lithium battery charge on the setting plate, and the four walls of lithium battery are not blocked, and the heat dissipation effect is better, when lithium battery is on fire, the fire -extinguishing cover covers lithium battery and then sprays gas and extinguishes, improves the efficiency that can extinguish the fire, and the spread of fire and smoke is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the utility model;

[0024] Figure 2 It is the structural schematic diagram of the fire -extinguishing frame and the fire -extinguishing pipe of the utility model;

[0025] Figure 3 It is the position relation diagram of the fire -extinguishing frame and the connecting ring of the utility model;

[0026] Figure 4 It is the sectional structure schematic diagram of the fire -extinguishing frame of the utility model;

[0027] Figure 5 It is the structural schematic diagram of the spray head and the snap ring of the utility model;

[0028] Figure 6 It is the sectional structure schematic diagram of the cabinet of the utility model.

[0029] In the drawing: 1, support, 2, setting plate, 3, fire -extinguishing frame, 4, installation groove, 5, fire -extinguishing groove, 6, fire -extinguishing pipe, 7, electric valve one, 8, nozzle, 9, upper connecting plate, 10, lower falling plate, 11, fire -retardant cloth, 12, snap ring, 13, clamping groove, 14, connecting ring, 15, rubber plug, 16, connecting rope, 17, cut ring, 18, connecting groove, 19, cabinet, 20, tank, 21, smoke exhaust pipe, 22, electric valve two, 23, smoke exhaust main pipe. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0031] Please refer to Figures 1 to 6 The utility model provides a technical scheme:

[0032] A gas fire -extinguishing cabinet, comprising:

[0033] The charging cabinet comprises a support 1 and a placing plate 2, the support 1 is fixedly connected with the placing plate 2 through bolt arrangement, a plurality of placing plates 2 are arranged along the length direction of the support 1, a fire extinguishing frame 3 is arranged below the placing plate 2, the fire extinguishing frame 3 is fixedly connected with the bottom wall of the placing plate 2 through welding arrangement, and the fire extinguishing frame 3 is provided with a mounting groove 4 and a fire extinguishing groove 5, so that the fire extinguishing frame 3 presents a 'back' shape.

[0034] The fire extinguishing pipe 6 is arranged at the bottom of the placing plate 2, the fire extinguishing pipe 6 is fixedly connected with the bottom wall of the placing plate 2 through clamp and bolt arrangement, a spray head is arranged on the fire extinguishing pipe 6, the spray head is located in the fire extinguishing groove 5, the spray head comprises an electric valve 7 and a nozzle 8, the electric valve 7 is arranged on the fire extinguishing pipe 6 and fixedly connected with the fire extinguishing pipe 6 through thread connection, the nozzle 8 is arranged on the electric valve 7 and fixedly connected with the electric valve 7 through thread connection.

[0035] The fire extinguishing cover comprises a cover body arranged in the mounting groove 4 and a connecting cover arranged on the spray head and connected with the cover body, the cover body comprises an upper connecting plate 9, a lower falling plate 10 and fireproof cloth 11, the upper connecting plate 9 is arranged in the mounting groove 4 and fixedly connected with the side wall of the mounting groove 4 through welding, the lower falling plate 10 is arranged at the bottom of the mounting groove 4 and movably connected with the side wall of the mounting groove 4, the fireproof cloth 11 is arranged between the upper connecting plate 9 and the lower falling plate 10, and the two ends of the fireproof cloth 11 are fixedly connected with the upper connecting plate 9 and the lower falling plate 10 through gluing,

[0036] The connecting cover comprises a clamping ring 12, a clamping groove 13, a connecting ring 14, a rubber plug 15, a connecting rope 16 and a cutting ring 17, the clamping ring 12 is arranged on the nozzle 8 and fixedly connected with the nozzle 8 through welding, the clamping groove 13 is arranged on the clamping ring 12, the connecting ring 14 is sleeved on the clamping ring 12 and movably connected with the clamping ring 12, the rubber plug 15 is arranged on the connecting ring 14 and inserted into the clamping groove 13, the size of the rubber plug 15 is slightly larger than the size of the clamping groove 13, so that the rubber plug 15 can be clamped in the clamping groove 13, the connecting rope 16 is arranged on the connecting ring 14 and connected with the lower falling plate 10 through the side wall of the fire extinguishing groove 5, one end of the connecting rope 16 is fixedly connected with the connecting ring 14 through rope arrangement, the other end of the connecting rope 16 is fixedly connected with the lower falling plate 10 through rope arrangement, the connecting rope 16 passes through the groove wall of the fire extinguishing groove 5 and is fixedly connected with the groove wall of the fire extinguishing groove 5, the cutting ring 17 is arranged on the electric valve 7 and fixedly connected with the electric valve 7 through screw and clamp arrangement, and the cutting edge of the cutting ring 17 is located below the connecting rope 16.

[0037] The top surface of the placement plate 2 is provided with a connecting ring groove 18, the shape of the connecting ring groove 18 is matched with the shape of the falling plate 10, and a temperature sensor is further arranged on the placement plate 2, the temperature sensor is fixedly connected with the placement plate 2 through the arrangement of screws and the like, the temperature sensor can select the DS18B20 temperature sensor of Jiangnan Best, when the temperature sensor detects that the temperature of the battery placed on the top surface of the placement plate 2 is higher than the set temperature, the electric valve one 7 is opened, the gas cabinet supplies gas to the nozzle 8, the connecting ring 14 is pushed down from the clasp ring 12, the cutting ring 17 cuts the connecting rope 16, the falling plate 10 falls into the connecting ring groove 18, the fireproof cloth 11 covers the battery, the nozzle 8 sprays gas to the battery to extinguish the fire, and the set temperature can be reasonably selected according to the actual use.

[0038] The fire extinguishing frame 3 is provided with a smoke exhaust pipe 21, an electric valve two 22 arranged on the smoke exhaust pipe 21, and a smoke exhaust main pipe 23 connected with the smoke exhaust pipe 21, the smoke exhaust pipe 21 is fixedly connected with the fire extinguishing frame 3 through welding or the like, the electric valve two 22 is fixedly connected with the electric valve two 22 through threaded connection or the like, and the smoke exhaust main pipe 23 is fixedly connected with each smoke exhaust pipe 21 respectively, the smoke exhaust main pipe 23 can be communicated with the smoke exhaust system in the building, when the electric valve two 22 is opened, the smoke generated by the battery combustion is exhausted from the smoke exhaust pipe 21.

[0039] The gas cabinet is connected with the fire extinguishing pipe 6, the gas cabinet includes a cabinet body 19 and a tank body 20, the tank body 20 is fixedly connected with the cabinet body 19 through the arrangement of supports or the like, the tank body 20 can store pressurized liquefied heptafluoropropane, carbon dioxide or the like, in order to provide sufficient pressure for the plurality of nozzles 8, the tank body 20 can be connected with a pressurizing pump for pressurizing and spraying the material stored in the tank body 20, the tank body 20 is fixedly connected with the fire extinguishing pipe 6 through the arrangement of pipelines and flanges or the like, and the tank body 20 can also be provided with an electric valve, the cabinet body 19 is further provided with a single-chip microcomputer, the single-chip microcomputer can select 80C51, the temperature sensor, the electric valve one 7 and the electric valve two 22 are respectively communicated with the single-chip microcomputer through data electrical signals, and the start and stop of each component are controlled through the setting of the single-chip microcomputer.

[0040] When used, two tank bodies 20 can be arranged to store cooling gas and fire extinguishing agent respectively, the cooling gas is also selected from gas such as heptafluoropropane and carbon dioxide, and the fire extinguishing agent can be selected from UPA fire extinguishing agent of Guofu Science and Technology (Chengdu) Group Co., Ltd., wherein the tank body 20 for storing the fire extinguishing agent is a medicament bottle produced by Guofu Science and Technology, which is provided with a pressure of 1.0-1.2 MPa and can be directly communicated with the nozzle 8, and the other tank body 20 for storing the cooling gas is a liquid carbon dioxide fire extinguishing tank, and electric valves are arranged on the two tank bodies 20, when the temperature sensor detects that the temperature is higher than the set temperature, the electric valve on the tank body 20 for storing the cooling liquid carbon dioxide is opened, the liquid carbon dioxide in the compressed state is sprayed from the nozzle 8 in the form of gas to push away the connecting ring 14 and then sprayed on the battery to cool the battery, then the electric valve on the tank body 20 for storing the cooling gas is closed, and the electric valve on the tank body 20 for storing the UPA fire extinguishing agent is opened, the UPA fire extinguishing agent is sprayed from the nozzle 8 under the action of the pressure of the tank body 20 for storing the fire extinguishing agent to extinguish the fire, so as to improve the efficiency and effect of extinguishing the fire.

[0041] Working principle: when used, when the temperature sensor detects that the temperature of the battery placed on the top surface of the mounting plate 2 is higher than the set temperature, the electric valve 7 is opened, the gas in the tank body 20 is sprayed into the fire extinguishing pipe 6 and then sprayed from the nozzle 8, the connecting ring 14 is pushed down from the clamping ring 12, the cutting ring 17 cuts the connecting rope 16, the falling plate 10 falls into the connecting groove 18, the fireproof cloth 11 covers the battery, the nozzle 8 sprays gas to extinguish the fire, the electric valve 22 is opened, and the smoke generated by the battery combustion is discharged from the smoke exhaust pipe 21.

[0042] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A gas fire extinguishing cabinet, characterized in that, include: A charging cabinet, comprising a support frame and a mounting plate, wherein a fire extinguishing frame is provided below the mounting plate, and the fire extinguishing frame is provided with an installation groove and a fire extinguishing groove; A fire extinguishing pipe is installed at the bottom of the mounting plate, and a nozzle is installed on the fire extinguishing pipe; A fire extinguishing cover, comprising a cover body disposed in the mounting groove and a connecting cover disposed on the nozzle and connected to the cover body; A gas supply cabinet is connected to the fire extinguishing pipe. When the battery on the mounting plate catches fire, the gas supply cabinet supplies fire extinguishing gas to the nozzle, blowing down the connecting cover on the nozzle, causing the cover to fall and cover the battery, so that the fire extinguishing gas sprayed from the nozzle can extinguish the fire on the battery.

2. The gas fire extinguishing cabinet according to claim 1, characterized in that: The nozzle includes an electric valve I installed on the fire extinguishing pipe and a nozzle installed on the electric valve I.

3. A gas fire extinguishing cabinet according to claim 2, characterized in that: The cover includes an upper connecting plate disposed in the mounting groove, a lower plate disposed at the bottom of the mounting groove, and a fireproof cloth folded between the upper connecting plate and the lower plate.

4. A gas fire extinguishing cabinet according to claim 3, characterized in that: The connecting cover includes a retaining ring disposed on the nozzle, a retaining groove formed on the retaining ring, a connecting ring sleeved on the retaining ring, a rubber plug disposed on the connecting ring and inserted into the retaining groove, a connecting rope disposed on the connecting ring and passing through the side wall of the fire extinguishing tank and connected to the drop plate, and a cutting ring disposed on the electric valve.

5. A gas fire extinguishing cabinet according to claim 4, characterized in that: The top surface of the mounting plate is provided with a connecting ring groove, and a temperature sensor is also provided on the mounting plate.

6. A gas fire extinguishing cabinet according to claim 5, characterized in that: When the temperature sensor detects that the temperature of the battery placed on the top surface of the mounting plate is higher than the set temperature, the electric valve opens, the gas supply cabinet supplies gas to the nozzle, pushes the connecting ring off the retaining ring, causes the cutting ring to cut the connecting rope, causes the drop plate to fall into the connecting ring groove, causes the fireproof cloth to cover the battery, and the nozzle sprays air at the battery to extinguish the fire.

7. A gas fire extinguishing cabinet according to claim 2, characterized in that: The gas supply cabinet includes a cabinet body and a tank body disposed within the cabinet body and connected to the fire extinguishing pipe.

8. A gas fire extinguishing cabinet according to claim 7, characterized in that: The tank is used to inject stored gas into the fire extinguishing pipe and then spray it out from the nozzle.

9. A gas fire extinguishing cabinet according to claim 1, characterized in that: The fire extinguishing frame is equipped with a smoke exhaust pipe, an electric valve II installed on the smoke exhaust pipe, and a main smoke exhaust pipe connected to the smoke exhaust pipe.

10. A gas fire extinguishing cabinet according to claim 9, characterized in that: When the second electric valve is opened, the smoke generated by the battery combustion is discharged from the exhaust pipe.

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