Box-type fixed metal closed switch cabinet

Abstract

The utility model provides a box-type fixed metal closed switch cabinet, which belongs to the technical field of switch cabinets and comprises a box body and a box door rotatably connected to one side of the box body. The fireproof structure comprises a top replacement assembly fixed in the box body, an aerosol fire extinguisher installed at the bottom end of the replacement assembly and an infrared sensor installed in the box body. According to the flame-retardant and fire-extinguishing device, flame is monitored through the infrared sensor, data are fed back to the aerosol fire extinguisher, aerosol in the aerosol fire extinguisher is discharged, flame-retardant and fire-extinguishing are conducted on the flame in the box body, loss is reduced, the aerosol fire extinguisher can be replaced and overhauled by disassembling the cover plate, and therefore the flame-retardant and fire-extinguishing functions of the flame-retardant and fire-extinguishing device are achieved. When a fire disaster occurs, the device can quickly control the spreading of the fire behavior and prevent the fire disaster from being expanded, thereby guaranteeing the safety of personnel and equipment, and simultaneously reducing the damage of the fire disaster to electrical elements and cables in the switch cabinet to the greatest extent.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a box-type fixed metal-enclosed switch cabinet. Background Art

[0002] Box-type fixed metal-enclosed switchgear is mainly used for receiving and distributing electric energy in three-phase AC 50Hz systems of 12kV and below. It is particularly suitable for occasions with frequent operations. It has excellent sealing performance and can effectively prevent dust and moisture from entering, thereby ensuring the normal operation of the equipment and making maintenance more convenient.

[0003] After searching, the Chinese patent application number 202020237455.6 discloses a box-type fixed metal-enclosed switch cabinet, which belongs to the technical field of switch cabinets, including a switch cabinet body, the switch cabinet body including a first sub-cabinet and a second sub-cabinet, both sides of the first sub-cabinet and both sides of the second sub-cabinet are provided with side connecting ports, the inside of which is embedded with side panels, the top and bottom of the first sub-cabinet and the top and bottom of the second sub-cabinet are provided with through holes, and the inside of the through holes is embedded with through-hole plates. The utility model is provided with an installation side panel, and through the ventilation windows and dustproof nets on the side panels, so that it also has a dust-proof function in the process of ventilation and heat dissipation. By providing a side connecting port for connecting two adjacent first sub-cabinets and two adjacent second sub-cabinets, the volume of the switch cabinet body is expanded in the horizontal direction, and the transverse connecting member groove is fixedly connected to the transverse connecting member by bolts, so that the connection of the sub-cabinets is more stable and safer to use;

[0004] The above patent still has the following deficiencies: (1) It is not easy to flame retardant. Since the switch cabinet contains a large number of electrical components and cables, these components may generate high temperature or sparks during long-term operation or short circuit, thereby causing a fire. The switch cabinet does not have flame retardant ability, which causes the fire to spread rapidly and lead to more serious consequences. At the same time, since the device is closed, it is difficult to detect and deal with the fire in time if it occurs inside;

[0005] (2) It is inconvenient to carry out internal maintenance. During the maintenance process, the staff usually need to use a handheld flashlight to assist in lighting the interior of the device, which affects the staff's maintenance efficiency.

[0006] Therefore, a box-type fixed metal-enclosed switch cabinet is urgently needed to solve the above problems. Utility Model Content

[0007] The purpose of the utility model is to address the current defect that it is inconvenient to flame retardant. Since the switch cabinet contains a large number of electrical components and cables, these components may generate high temperature or sparks during long-term operation or short circuit, thereby causing a fire. The switch cabinet does not have flame retardant ability, causing the fire to spread rapidly, leading to more serious consequences. At the same time, since the device is closed, it is difficult to detect and deal with the problem in time if a fire occurs inside.

[0008] In order to achieve the above-mentioned invention object, the utility model provides the following technical solutions:

[0009] A box-type fixed metal-enclosed switch cabinet, comprising a box body, and further comprising:

[0010] A box door is rotatably connected to one side of the box body, and a dial is installed inside one side of the box door;

[0011] An instrument room is arranged at the top of the box body, and a trolley room is arranged at the bottom of the instrument room, and a cable room is arranged at the bottom of the trolley room;

[0012] An electric trolley is installed inside the trolley room, and a current transformer is connected to one side of the electric trolley;

[0013] Insulator, installed on one side inside the box door;

[0014] An inspection structure, arranged at the top of the interior of the handcart room, is used to illuminate the interior of the device;

[0015] The fireproof structure is arranged at the top end of the interior of the box, wherein the fireproof structure includes a top replacement component fixed to the interior of the box, an aerosol fire extinguisher installed at the bottom end of the replacement component, and an infrared sensor installed inside the box.

[0016] As a preferred technical solution of the present application, the replacement assembly includes a mounting seat fixed at the top of the interior of the box, a cover plate detachably mounted on the top of one side of the box, a mounting block sliding inside the mounting seat and connected to the aerosol fire extinguisher, a fixing buckle inserted at the top of the interior of the mounting block, and a mounting spring installed in the middle position between the fixing buckle and the mounting block.

[0017] Through the above technical solution, the flame is monitored by an infrared sensor and the data is fed back to the aerosol fire extinguisher, so that the aerosol inside the aerosol fire extinguisher is discharged, the flame inside the box is extinguished and the loss is reduced. The aerosol fire extinguisher can be replaced and repaired by removing the cover.

[0018] As a preferred technical solution of the present application, a snap-fit ​​structure is formed between the fixing buckle and the mounting seat, and the infrared sensor is fixed to one side of the box body by bolts.

[0019] Through the above technical solution, the aerosol fire extinguisher can be quickly disassembled for replacement, and the time consumed for disassembly is reduced.

[0020] As a preferred technical solution of the present application, the output end of the infrared sensor is electrically connected to the input end of the aerosol fire extinguisher through a wire, and a sliding structure is formed between the mounting block and the mounting seat.

[0021] Through the above technical solution, the aerosol fire extinguisher can be opened according to the data of the infrared sensor.

[0022] As a preferred technical solution of the present application, the maintenance structure includes a mounting shell fixed at the top of the interior of the trolley compartment, a compression spring fixed inside the mounting shell, a moving block installed on one side of the compression spring, a copper sheet fixed inside the moving block, connecting contacts installed at both ends of one side of the copper sheet, a contact slot fixed on one side of the mounting shell, connecting wires installed at both ends of the mounting shell and connected to the contact slot, and an LED lamp installed inside the box.

[0023] Through the above technical solution, the moving block is pushed to move by the compression spring, so that the connecting contact contacts the contact slot, and at the same time the LED lamp is connected to the current to generate light to illuminate the interior of the device.

[0024] As a preferred technical solution of the present application, the connecting line is electrically connected to the input end of the LED lamp through a wire, and the moving block forms a telescopic structure with the mounting shell through a compression spring.

[0025] Through the above technical solution, the on and off of the circuit is controlled by moving the moving block forward and backward.

[0026] Compared with the prior art, the utility model has the following beneficial effects:

[0027] In the scheme of this application:

[0028] The flame is monitored by infrared sensors and the data is fed back to the aerosol fire extinguisher, so that the aerosol inside the aerosol fire extinguisher is discharged, and the flame inside the box is extinguished to reduce losses. The aerosol fire extinguisher can be replaced and repaired by removing the cover plate, thereby realizing the flame retardant and fire extinguishing function of this device, so that when a fire occurs, the device can quickly control the spread of the fire and prevent the fire from expanding, thereby ensuring the safety of personnel and equipment, and at the same time, it can minimize the damage to the electrical components and cables inside the switch cabinet caused by the fire;

[0029] The moving block is pushed to move by the compression spring, so that the connection contact contacts the contact slot, and at the same time the LED lamp is connected to the current to generate light to illuminate the interior of the device, thereby realizing the easy maintenance function of the device, and when the box door is opened, the interior of the device is automatically illuminated, so that the staff can easily check and maintain the interior of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is one of the schematic diagrams of the structure of the utility model;

[0031] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0032] Figure 3 This is the third schematic diagram of the structure of the utility model;

[0033] Figure 4 A schematic diagram of the three-dimensional cross-sectional structure of the fireproof structure provided for this application;

[0034] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the maintenance structure provided in this application.

[0035] Markings in the figure: 1. Box body; 2. Box door; 3. Dial; 4. Cable room; 5. Electric trolley; 6. Trolley room; 7. Maintenance structure; 701. LED lamp; 702. Mounting shell; 703. Compression spring; 704. Connecting wire; 705. Contact slot; 706. Moving block; 707. Connecting contact; 708. Copper sheet; 8. Instrument room; 9. Fireproof structure; 901. Aerosol fire extinguisher; 902. Mounting seat; 903. Cover plate; 904. Infrared sensor; 905. Mounting block; 906. Mounting spring; 907. Fixing buckle; 10. Current transformer; 11. Insulator. DETAILED DESCRIPTION

[0036] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0037] like Figure 1-5 As shown, the box-type fixed metal-enclosed switch cabinet proposed in this embodiment includes a box body 1, and also includes:

[0038] The box door 2 is rotatably connected to one side of the box body 1, and a dial 3 is installed inside one side of the box door 2;

[0039] An instrument room 8 is arranged at the top of the box body 1, and a trolley room 6 is arranged at the bottom of the instrument room 8, and a cable room 4 is arranged at the bottom of the trolley room 6;

[0040] The electric trolley 5 is installed inside the trolley room 6, and a current transformer 10 is connected to one side of the electric trolley 5;

[0041] Insulator 11, installed on one side inside the box door 2;

[0042] The inspection structure 7 is arranged at the top of the inside of the trolley chamber 6 and is used to illuminate the inside of the device;

[0043] The fireproof structure 9 is arranged at the top of the box body 1, wherein the fireproof structure 9 includes a top replacement component fixed inside the box body 1, an aerosol fire extinguisher 901 installed at the bottom of the replacement component, and an infrared sensor 904 installed inside the box body 1.

[0044] like Figure 2 , Figure 3 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the replacement component includes a mounting seat 902 fixed to the top of the inner part of the box body 1, a cover plate 903 detachably mounted on the top of one side of the box body 1, a mounting block 905 sliding inside the mounting seat 902 and connected to the aerosol fire extinguisher 901, a fixing buckle 907 inserted at the top of the inner part of the mounting block 905, and a mounting spring 906 installed at a middle position between the fixing buckle 907 and the mounting block 905, a snap-fit ​​structure is formed between the fixing buckle 907 and the mounting seat 902, an infrared sensor 904 is fixed to one side of the box body 1 by bolts, and the output end of the infrared sensor 904 is connected to the input end of the aerosol fire extinguisher 901 through a wire. The ends are electrically connected, and a sliding structure is formed between the mounting block 905 and the mounting seat 902. The temperature inside the device is detected by the infrared sensor 904. When the temperature at a local position inside the box body 1 is too high and a fire occurs, the flame temperature is monitored by the infrared sensor 904 and the data is fed back to the controller inside the aerosol fire extinguisher 901, so that the controller controls the aerosol fire extinguisher 901 to open, discharge the aerosol inside the aerosol fire extinguisher 901, and enter each chamber through the wire hole inside the box body 1, so as to extinguish the flame and reduce the loss. The aerosol fire extinguisher 901 can be replaced and repaired by removing the cover plate 903 and then pulling the mounting block 905 away from the inside of the mounting seat 902.

[0045] like Figure 2 , Figure 3 and Figure 5As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the maintenance structure 7 includes a mounting shell 702 fixed at the top of the inside of the trolley chamber 6, a compression spring 703 fixed inside the mounting shell 702, a moving block 706 installed on one side of the compression spring 703, a copper sheet 708 fixed inside the moving block 706, connecting contacts 707 installed at both ends of one side of the copper sheet 708, a contact slot 705 fixed on one side of the inside of the mounting shell 702, a connecting wire 704 installed at both ends of the mounting shell 702 and connected to the contact slot 705, and an LED lamp 701 installed inside the box 1, the connecting wire 704 is electrically connected to the input end of the LED lamp 701 through a wire, and the moving block 706 is connected to the mounting shell 702 through the compression spring 703. A telescopic structure is formed to connect the wire to the LED lamp 701 through the connecting wire 704. When the box door 2 is closed, the box door 2 pushes the moving block 706 to move toward the interior of the lower mounting shell 702, so that the moving block 706 drives the connecting contact 707 to separate from the contact slot 705, thereby blocking the current from entering the interior of the LED lamp 701 and turning off the LED lamp 701. When the box door 2 is opened, the compressed compression spring 703 pushes the moving block 706 to move, so that the moving block 706 drives the connecting contact 707 to snap into the interior of the contact slot 705. The current passes through the contact slot 705, the copper sheet 708, and the connecting contact 707 and is introduced into the interior of the connecting wire 704, so that the LED lamp 701 is connected to the current to generate light, thereby illuminating the interior of the device, so as to facilitate the staff to carry out inspection and maintenance.

[0046] Specifically, when the box-type fixed metal-enclosed switch cabinet is in use: the fireproof structure 9 is used to retard and extinguish the interior of the device, and the maintenance structure 7 is used to facilitate the staff to perform maintenance on the interior of the device.

[0047] The temperature inside the device is detected by the infrared sensor 904. When the temperature at a local position inside the box 1 is too high and a fire occurs, the infrared sensor 904 monitors the flame temperature and feeds back the data to the controller inside the aerosol fire extinguisher 901, so that the controller controls the aerosol fire extinguisher 901 to open, discharge the aerosol inside the aerosol fire extinguisher 901, and enter each chamber through the wire hole inside the box 1 to retard the flame and extinguish the fire, thereby reducing losses. By removing the cover plate 903 and then pulling the mounting block 905 away from the inside of the mounting seat 902, the aerosol fire extinguisher 901 can be replaced and repaired;

[0048] The wire is connected to the LED lamp 701 through the connecting wire 704. When the box door 2 is closed, the box door 2 pushes the moving block 706 to move toward the interior of the lower mounting shell 702, so that the moving block 706 drives the connecting contact 707 to separate from the contact slot 705, thereby blocking the current from entering the interior of the LED lamp 701 and turning off the LED lamp 701. When the box door 2 is opened, the compressed compression spring 703 pushes the moving block 706 to move, so that the moving block 706 drives the connecting contact 707 to snap into the interior of the contact slot 705. The current passes through the contact slot 705, the copper sheet 708, and the connecting contact 707 and is introduced into the interior of the connecting wire 704, so that the LED lamp 701 is connected to the current to generate light, thereby illuminating the interior of the device, so as to facilitate the staff to carry out inspection and maintenance.

[0049] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A box-type fixed metal-enclosed switch cabinet, comprising a box body (1), characterized in that: Also includes, A box door (2) is rotatably connected to one side of the box body (1), and a dial (3) is installed inside one side of the box door (2); An instrument room (8) is arranged at the top of the box body (1), and a trolley room (6) is arranged at the bottom of the instrument room (8), and a cable room (4) is arranged at the bottom of the trolley room (6); An electric trolley (5) is installed inside the trolley room (6), and a current transformer (10) is connected to one side of the electric trolley (5); An insulator (11) is installed on one side inside the box door (2); An inspection structure (7) is arranged at the top of the interior of the trolley chamber (6) and is used to illuminate the interior of the device; A fireproof structure (9) is arranged at the top end of the interior of the box (1), wherein the fireproof structure (9) comprises a top replacement component fixed inside the box (1), an aerosol fire extinguisher (901) installed at the bottom end of the replacement component, and an infrared sensor (904) installed inside the box (1).

2. A box-type fixed metal-enclosed switch cabinet according to claim 1, characterized in that: The replacement assembly comprises a mounting seat (902) fixed to the top of the interior of the box (1), a cover plate (903) detachably mounted on the top of one side of the box (1), a mounting block (905) sliding inside the mounting seat (902) and connected to the aerosol fire extinguisher (901), a fixing buckle (907) inserted into the top of the interior of the mounting block (905), and a mounting spring (906) mounted at a position between the fixing buckle (907) and the mounting block (905).

3. A box-type fixed metal-enclosed switch cabinet according to claim 2, characterized in that: A snap-fit ​​structure is formed between the fixing buckle (907) and the mounting seat (902), and the infrared sensor (904) is fixed to one side of the box body (1) by means of bolts.

4. A box-type fixed metal-enclosed switch cabinet according to claim 2, characterized in that: The output end of the infrared sensor (904) is electrically connected to the input end of the aerosol fire extinguisher (901) via a wire, and a sliding structure is formed between the mounting block (905) and the mounting seat (902).

5. The box-type fixed metal-enclosed switch cabinet according to claim 1, characterized in that: The inspection structure (7) comprises a mounting shell (702) fixed to the top of the interior of the trolley chamber (6), a compression spring (703) fixed inside the mounting shell (702), a moving block (706) mounted on one side of the compression spring (703), a copper sheet (708) fixed inside the moving block (706), connecting contacts (707) mounted at both ends of one side of the copper sheet (708), a contact slot (705) fixed on one side of the interior of the mounting shell (702), connecting wires (704) mounted at both ends of the mounting shell (702) and connected to the contact slot (705), and an LED lamp (701) mounted inside the box (1).

6. A box-type fixed metal-enclosed switch cabinet according to claim 5, characterized in that: The connecting line (704) is electrically connected to the input end of the LED lamp (701) via a conductive wire, and the moving block (706) forms a telescopic structure with the installation shell (702) via a compression spring (703).

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