Fireproof structure of electric appliance cabinet

Abstract

A fireproof structure of an electric appliance cabinet disclosed by the present invention comprises a cabinet body, an assembling cavity is arranged in the cabinet body, a heat dissipation groove is arranged at the bottom of the back surface of the assembling cavity of the cabinet body, an electric appliance mounting rack is installed in the assembling cavity, a partition plate is installed on the upper side of the assembling cavity, and the partition plate divides the assembling cavity into a fire fighting cavity and an electric appliance cavity. A fire extinguishing agent box and a water tank are installed in the fire fighting cavity, a plurality of flow dividing valves are installed at the output end of the bottom of the fire extinguishing agent box, the output ends of the flow dividing valves are connected with a spraying frame, a water pump is installed in the water tank, the output end of the water pump is connected with an output pipe, and a fireproof folding cover is installed at the top of the electric appliance cavity and filled with a super-strong water absorption material. The output end of the output pipe penetrates through the water tank and the partition plate and extends to the top of the inner side of the fireproof folding cover, electric sliding rails are installed on the two sides of the electric appliance cavity, a connecting base is installed between the electric sliding rails on the two sides, the top of the connecting base is connected with the bottom of the fireproof folding cover, and a detector is installed on the top of the electric appliance cavity.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrical cabinet fire prevention, and particularly relates to a fire prevention structure for an electrical cabinet. Background Art

[0002] An electrical cabinet is a storage device used to protect, control, and distribute electrical equipment. The electrical cabinet includes various control devices (such as switches, power supplies, relays, etc.) and protection devices (such as fuses, leakage protectors, etc.), and can be combined and arranged according to needs to achieve the protection and control of different electrical equipment. The electrical cabinet can also be intelligently controlled to achieve remote monitoring and operation.

[0003] However, the existing electrical cabinets have poor fire prevention effects themselves. Using a single fire prevention material to fill the electrical cabinets cannot protect against spontaneous combustion inside. Once spontaneous combustion occurs inside, it will cause serious damage to the internal components, and there are safety problems. Moreover, when there is a fire source approaching from the outside, high-temperature smoke or flames will enter the interior of the electrical cabinet through the heat dissipation holes, and the high temperature will severely damage the electrical components inside the electrical cabinet, and cannot well protect the electrical components. Therefore, there is an urgent need for a fire prevention structure for an electrical cabinet to solve the above problems. Summary of the Invention

[0004] Aiming at the problems raised in the above background art, the purpose of the present invention is to provide a fire prevention structure for an electrical cabinet.

[0005] To achieve the above technical purpose, the technical solution adopted by the present invention is as follows:

[0006] A fire prevention structure for an electrical cabinet includes a cabinet body. An assembly cavity is provided inside the cabinet body. A double-door is installed on the front of the assembly cavity of the cabinet body. A heat dissipation groove is provided at the bottom of the back of the assembly cavity of the cabinet body. An electrical installation rack is installed inside the assembly cavity. A partition plate is installed above the assembly cavity. The partition plate divides the assembly cavity into two parts to form a fire protection cavity and an electrical cavity. The fire protection cavity is arranged at the top of the electrical cavity. The electrical installation rack is arranged inside the electrical cavity. A fire extinguishing agent tank and a water tank are installed inside the fire protection cavity. The water tank is arranged on both sides of the fire extinguishing agent tank. A plurality of flow dividing valves are installed at the bottom output end of the fire extinguishing agent tank. The output ends of the plurality of flow dividing valves are connected to a spray rack. The spray rack is arranged at the top of the electrical cavity. A water pump is installed inside the water tank. The output end of the water pump is connected to an output pipe. The output end of the output pipe penetrates through the water tank and the partition plate and extends to the inner top of the fireproof folding cover. The fireproof folding cover is arranged in a square frame structure and is filled with a super absorbent material inside. The output end of the output pipe penetrates through the water tank and the partition plate and extends to the inner top of the fireproof folding cover. Electric slide rails are installed on both sides of the electrical cavity. A connection base is installed between the two electric slide rails. The top of the connection base is connected to the bottom of the fireproof folding cover. A detector is installed at the top of the electrical cavity.

[0007] Further defined, a cavity is provided inside the cabinet body, reinforcing ribs are installed in the cavity, and a flame retardant is filled in the cavity. Such a structural design improves the fire prevention effect of the cabinet body.

[0008] Further defined, a fire extinguishing agent is filled in the fire extinguishing agent box, and the fire extinguishing agent is a dry powder fire extinguishing agent. Such a structural design can achieve a good fire extinguishing effect.

[0009] Further defined, a docking plug is provided at the bottom of the connection base, and a docking slot is provided at the bottom of the electrical cavity corresponding to the docking plug. Such a structural design is convenient for connection and has a sealing effect.

[0010] Further defined, the number of the detectors is, one of the detectors is the main detector, and the other detector is the sub-detector. The sizes, structures and shapes of the two detectors are the same. Such a structural design enables the sub-detector to start detection when the main detector fails, improving the use effect.

[0011] Further defined, the detector includes a housing, a detection hole is provided at the bottom of the housing, and a temperature sensor, a smoke sensor and a fire sensor are installed in the housing. Such a structural design is convenient for detecting the temperature, smoke and open fire inside the cabinet body.

[0012] Further defined, the detector is signal-connected to a flow dividing valve, a water pump and an electric slide rail. Such a structural design improves the use control effect.

[0013] Further defined, a waterproof window is installed outside the heat dissipation groove, and a number of waterproof grooves are arranged in sequence from bottom to top in the waterproof window. The waterproof grooves are arranged in an inclined structure from outside to inside and from bottom to top. Such a structural design enables the heat dissipation groove to have a waterproof effect while dissipating heat.

[0014] Further defined, a dust-proof filter screen is installed inside the heat dissipation groove. Such a structural design can achieve a dust-proof effect.

[0015] Further defined, a cooling fan is installed between the waterproof window and the dust-proof filter screen of the heat dissipation groove. Such a structural design can accelerate the dissipation of heat inside the cabinet body and also reduce the entry of external smoke into the cabinet body.

[0016] The beneficial effects of the present invention are:

[0017] 1. When spontaneous combustion occurs inside the present invention, the electric slide rail can drive the connection base to move downward and contact the bottom of the electrical cavity to block the entry of air, causing the connection base to drive the fireproof folding cover to change from the folded state to the stretched state, so that the fireproof folding cover covers the electrical installation frame. Then, the fire extinguishing agent is sprayed through the spraying rack for fire extinguishing work. The water in the water tank is pumped into the fireproof folding cover by the water pump, enabling the super absorbent material to perform the water absorption work. After absorbing water, the super absorbent material can reduce the temperature of the fireproof folding cover, which helps to control the spread of the fire and can protect against spontaneous combustion inside.

[0018] 2. After a fire breaks out outside, the present invention drives the connection base to move downward through the electric slide rail, causing the connection base to drive the fireproof folding cover to cover the electrical installation frame. At the same time, the water pump is started to pump the water in the water tank into the fireproof folding cover, enabling the super absorbent material to perform the water absorption work. After absorbing water, the super absorbent material can reduce the temperature of the fireproof folding cover, preventing external flames and high-temperature smoke from damaging electrical components and achieving the fireproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention can be further illustrated by the non-limiting embodiments given in the attached drawings;

[0020] Figure 1 It is an axonometric structure schematic diagram of a fireproof structure of an electrical cabinet according to an embodiment of the present invention;

[0021] Figure 2 It is a transverse sectional structure schematic diagram of a fireproof structure of an electrical cabinet according to an embodiment of the present invention;

[0022] Figure 3 It is a vertical sectional structure schematic diagram of a fireproof structure of an electrical cabinet according to an embodiment of the present invention;

[0023] Figure 4 It is an enlarged structure schematic diagram of part A of a fireproof structure of an electrical cabinet according to an embodiment of the present invention;

[0024] The main component symbols are explained as follows:

[0025] Cabinet body 1, assembly cavity 2, double-door 3, heat dissipation slot 4, electrical installation frame 5, partition board 6, fire protection cavity 7, electrical cavity 8, fire extinguishing agent tank 9, water tank 10, flow dividing valve 11, spraying rack 12, water pump 13, output pipe 14, fireproof folding cover 15, super absorbent material 16, electric slide rail 17, connection base 18, detector 19, cavity 20, reinforcing rib 21, flame retardant 22, docking plug 23, docking slot 24, outer shell 25, detection hole 26, temperature sensor 27, smoke sensor 28, open fire sensor 29, waterproof window 30, waterproof groove 31, dust-proof filter net 32, heat dissipation fan 33. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0027] Example 1, as Figure 1 , Figure 2 , Figure 3 and Figure 4 shown, a fire prevention structure of an electrical cabinet, an assembly cavity 2 is provided in a cabinet body 1, double doors 3 are installed on the front of the assembly cavity 2 of the cabinet body 1, a heat dissipation slot 4 is provided at the bottom of the back of the assembly cavity 2 of the cabinet body 1, an electrical installation rack 5 is installed in the assembly cavity 2, a partition plate 6 is installed on the upper side of the assembly cavity 2, the partition plate 6 divides the assembly cavity 2 into two parts to form a fire protection cavity 7 and an electrical cavity 8, the fire protection cavity 7 is arranged at the top of the electrical cavity 8, the electrical installation rack 5 is arranged in the electrical cavity 8, a fire extinguishing agent tank 9 and a water tank 10 are installed in the fire protection cavity 7, the water tank 10 is arranged on both sides of the fire extinguishing agent tank 9, a plurality of flow dividing valves 11 are installed at the output end of the bottom of the fire extinguishing agent tank 9, the output ends of the plurality of flow dividing valves 11 are connected to a spray rack 12, the spray rack 12 is arranged on the top of the electrical cavity 8, a water pump 13 is installed in the water tank 10, the output end of the water pump 13 is connected to an output pipe 14, a fireproof folding cover 15 is installed on the top of the electrical cavity 8, the fireproof folding cover 15 is arranged in a zigzag structure, and a super absorbent material 16 is filled inside it, the output end of the output pipe 14 penetrates through the water tank 10 and the partition plate 6 and extends to the inner top of the fireproof folding cover 15, electric slide rails 17 are installed on both sides of the electrical cavity 8, a connecting base 18 is installed between the two electric slide rails 17, the top of the connecting base 18 is connected to the bottom of the fireproof folding cover 15, and a detector 19 is installed on the top of the electrical cavity 8.

[0028] In this embodiment, various electrical components are installed on the electrical installation rack 5, and the double doors 3 are closed for normal use. During the use process, the heat generated by the electrical components is discharged from the heat dissipation slot 4. At the same time, the detector 19 detects the state inside the cabinet body 1. Once the detector 19 detects a fire in the cabinet body 1, the electric slide rails 17 are quickly started and drive the connecting base 18 to move downward. The connecting base 18 drives the bottom of the fireproof folding cover 15 to move, so that the fireproof folding cover 15 changes from the folded state to the stretched state. When the bottom of the connecting base 18 moves to the bottom of the electrical cavity 8, it blocks the air from entering. At the same time, the flow dividing valves 11 and the water pump 13 are started, so that the flow dividing valves 11 pump the fire extinguishing agent in the fire extinguishing agent tank 9 into the spray rack 12 and spray it through the spray rack 12 for fire extinguishing work, while the water pump 13 pumps the water in the water tank 10 into the fireproof folding cover 15, so that the super absorbent material 16 performs the water absorption work. The super absorbent material 16 can reduce the temperature of the fireproof folding cover 15 after absorbing water, which helps to control the spread of the fire and prevent the cabinet body 1 from being burned out after a fire, improving the fire prevention effect.

[0029] Among them, when a fire breaks out outside, the high-temperature flue gas or flame outside will enter the cabinet body 1 through the heat dissipation slots 4. After being detected by the detector 19, only need to start the electric slide rail 17 to drive the connection base 18 to move downward, so that the connection base 18 drives the fireproof folding cover 15 to cover the electrical installation rack 5. At the same time, start the water pump 13 to pump the water in the water tank 10 into the fireproof folding cover 15, so that the super absorbent material 16 performs the water absorption work. After the super absorbent material 16 absorbs water, it can reduce the temperature of the fireproof folding cover 15, prevent external flames and high-temperature flue gas from damaging electrical components, and thus can play a fireproof effect inside and outside the electrical cabinet.

[0030] Embodiment 2, as Figure 3 shown, on the basis of Embodiment 1, the following structure is added to this embodiment. A cavity 20 is provided inside the cabinet body 1, a reinforcing rib 21 is installed in the cavity 20, and a flame retardant 22 is filled in the cavity 20.

[0031] In this embodiment, by providing a cavity 20 inside the cabinet body 1 and filling a flame retardant 22 in the cavity 20, the cabinet body 1 itself has a certain fireproof and flame retardant effect. By strengthening the structure of the cabinet body 1 through the reinforcing rib 21, the effect of compression resistance and durability is achieved.

[0032] Embodiment 3, as Figure 2 shown, on the basis of Embodiment 1, the following structure is added to this embodiment. The fire extinguishing agent tank 9 is filled with a fire extinguishing agent, and the fire extinguishing agent is a dry powder fire extinguishing agent.

[0033] In this embodiment, by using a dry powder fire extinguishing agent, which has the characteristics of fast fire extinguishing speed, high efficiency, wide application range, etc., it can effectively and quickly extinguish the initial fire source and achieve a good fire extinguishing effect.

[0034] Embodiment 4, as Figure 2 shown, on the basis of Embodiment 1, the following structure is added to this embodiment. A docking plug 23 is provided at the bottom of the connection base 18, and a docking slot 24 is provided at the bottom of the electrical cavity 8 corresponding to the docking plug 23.

[0035] In this embodiment, during use, after the electric slide rail 17 drives the connection base 18 to move downward, the docking plug 23 at the bottom of the connection base 18 is inserted into the docking slot 24 at the bottom of the electrical cavity 8, so as to achieve a sealed connection. When a fire breaks out inside, it can block the entry of air and achieve the operation of quickly extinguishing the fire. When a fire breaks out outside, it can prevent high-temperature flue gas from entering.

[0036] Embodiment 5, as Figure 2 and Figure 4As shown in the figure, in this embodiment, the following structure is added on the basis of Embodiment 1. The number of detectors 19 is 2, one of the detectors 19 is the main detector, and the other detector 19 is the secondary detector. The sizes, structures, and shapes of the two detectors 19 are the same.

[0037] In this embodiment, during the use process, by setting the main detector and the secondary detector, when the main detector fails, the secondary detector can replace the main detector to work, preventing the situation that the interior catches fire and cannot be detected after the detector 19 fails.

[0038] Embodiment 6, as Figure 4 As shown in the figure, in this embodiment, the following structure is added on the basis of Embodiment 1. The detector 19 includes a housing 25, a detection hole 26 is provided at the bottom of the housing 25, and a temperature sensor 27, a smoke sensor 28, and a fire sensor 29 are installed inside the housing 25.

[0039] In this embodiment, during the use process, the temperature, smoke, and open fire inside the cabinet 1 are detected by the temperature sensor 27, the smoke sensor 28, and the fire sensor 29. When the temperature, smoke, and open fire inside the cabinet 1 significantly exceed the set values of the temperature sensor 27, the smoke sensor 28, and the fire sensor 29, it indicates that a fire has occurred inside and subsequent fire extinguishing work needs to be carried out.

[0040] Embodiment 7, as Figure 2 As shown in the figure, in this embodiment, the following structure is added on the basis of Embodiment 1. The detector 19 is signal-connected to the flow dividing valve 11, the water pump 13, and the electric slide rail 17.

[0041] In this embodiment, during the use process, the temperature, smoke, and open fire inside the cabinet 1 are detected by the detector 19. When the temperature, smoke, and open fire inside the cabinet 1 significantly exceed the set values of the temperature sensor 27, the smoke sensor 28, and the fire sensor 29, the detector 19 sends a signal to start the flow dividing valve 11, the water pump 13, and the electric slide rail 17 to carry out fire extinguishing work.

[0042] Embodiment 8, as Figure 3 As shown in the figure, in this embodiment, the following structure is added on the basis of Embodiment 1. A waterproof window 30 is installed outside the heat dissipation groove 4, and a number of waterproof grooves 31 are arranged in the waterproof window 30 in sequence from bottom to top. The waterproof grooves 31 are arranged in an inclined structure from outside to inside and from bottom to top.

[0043] In this embodiment, during the use process, by setting the waterproof window 30, the waterproof grooves 31 can prevent rainwater from entering while ensuring heat dissipation, preventing rainwater from damaging the electrical components.

[0044] Embodiment 9, as Figure 3As shown in the figure, the following structure is added to this embodiment on the basis of Embodiment 1. A dust-proof filter net 32 is installed inside the heat dissipation groove 4.

[0045] In this embodiment, during use, the dust-proof filter net 32 can prevent external dust from entering the cabinet 1, achieving a dust-proof effect.

[0046] Embodiment 10, as Figure 3 As shown in the figure, the following structure is added to this embodiment on the basis of Embodiment 1. A heat dissipation fan 33 is installed between the waterproof window 30 and the dust-proof filter net 32 in the heat dissipation groove 4.

[0047] In this embodiment, during use, the heat dissipation fan 33 can accelerate the dissipation of heat inside the cabinet 1, and after a fire breaks out outside, the heat dissipation fan 33 can also effectively reduce the entry of high-temperature flue gas.

[0048] The above embodiments are only used to exemplarily illustrate the principles and effects of the present invention, rather than to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A fireproof structure of an electrical cabinet, comprising a cabinet body (1), wherein an assembly cavity (2) is provided in the cabinet body (1), wherein a double door (3) is installed on the front of the assembly cavity (2) of the cabinet body (1), wherein a heat dissipation groove (4) is provided on the bottom of the back of the assembly cavity (2) of the cabinet body (1), and an electrical appliance mounting frame (5) is installed in the assembly cavity (2), characterized in that: A partition plate (6) is installed on the upper side of the assembly chamber (2), and the partition plate (6) divides the assembly chamber (2) into two parts to form a fire chamber (7) and an electrical chamber (8). The fire chamber (7) is arranged at the top of the electrical chamber (8), and the electrical installation frame (5) is arranged in the electrical chamber (8). A fire extinguishing agent tank (9) and a water tank (10) are installed in the fire chamber (7), and the water tank (10) is arranged on both sides of the fire extinguishing agent tank (9). A plurality of diverter valves (11) are installed at the bottom output end of the fire extinguishing agent tank (9), and the output ends of the plurality of diverter valves (11) are connected to a spray rack (12), and the spray rack (12) is arranged at the top of the electrical chamber (8). A water pump is installed in the water tank (10). (13), the output end of the water pump (13) is connected to an output pipe (14), a fireproof folding cover (15) is installed on the top of the electrical cavity (8), the fireproof folding cover (15) is arranged in a U-shaped structure, and is filled with super absorbent material (16), the output end of the output pipe (14) passes through the water tank (10) and the partition plate (6), and extends to the inner top of the fireproof folding cover (15), electric slide rails (17) are installed on both sides of the electrical cavity (8), and a connecting base (18) is installed between the electric slide rails (17) on both sides, and the top of the connecting base (18) is connected to the bottom of the fireproof folding cover (15), and a detector (19) is installed on the top of the electrical cavity (8).

2. The fireproof structure of an electrical cabinet according to claim 1, characterized in that: A cavity (20) is provided inside the cabinet (1), a reinforcing rib (21) is installed in the cavity (20), and a flame retardant (22) is filled in the cavity (20).

3. The fireproof structure of an electrical cabinet according to claim 2, characterized in that: The fire extinguishing agent box (9) is filled with fire extinguishing agent, and the fire extinguishing agent is a dry powder fire extinguishing agent.

4. The fireproof structure of an electrical cabinet according to claim 3, characterized in that: A docking plug block (23) is provided at the bottom of the connection base (18), and a docking slot (24) is provided at the bottom of the electrical cavity (8) at a position corresponding to the docking plug block (23).

5. The fireproof structure of an electrical cabinet according to claim 4, characterized in that: The number of the detectors (19) is 2, one of the detectors (19) is a main detector, the other detector (19) is a secondary detector, and the two detectors (19) are of the same size, structure and shape.

6. The fireproof structure of an electrical cabinet according to claim 5, characterized in that: The detector (19) comprises a housing (25), a detection hole (26) is provided at the bottom of the housing (25), and a temperature sensor (27), a smoke sensor (28) and an open flame sensor (29) are installed in the housing (25).

7. The fireproof structure of an electrical cabinet according to claim 6, characterized in that: The detector (19) is signal-connected to the diverter valve (11), the water pump (13) and the electric slide rail (17).

8. The fireproof structure of an electrical cabinet according to claim 7, characterized in that: A waterproof window (30) is installed on the outer side of the heat dissipation groove (4), and a plurality of waterproof grooves (31) arranged in sequence from bottom to top are arranged inside the waterproof window (30), and the waterproof grooves (31) are arranged in an inclined structure from outside to inside and from bottom to top.

9. The fireproof structure of an electrical cabinet according to claim 8, characterized in that: A dustproof filter (32) is installed inside the heat dissipation slot (4).

10. The fireproof structure of an electrical cabinet according to claim 9, characterized in that: The heat dissipation slot (4) is provided with a heat dissipation fan (33) between the waterproof window (30) and the dustproof filter (32).

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