Metal closed high-voltage looped network switch cabinet

Abstract

The utility model provides a metal closed high-voltage looped network switch cabinet, which relates to the technical field of looped network switch cabinets and comprises a cabinet body, a cabinet door is rotatably connected to one side surface of the cabinet body, a sealing gasket is fixedly mounted on one side surface of the cabinet door, and a control terminal is fixedly arranged on the other side surface of the cabinet door. A vacuum pump is fixedly installed on the top surface of the cabinet body, a fire alarm is fixedly installed at the top end of the inner wall of one side of the cabinet body, a temperature detector is fixedly installed at the bottom end of the inner wall surface of one side of the cabinet body, ventilation grooves are formed in the inner wall surfaces of the two sides of the cabinet body, and adjusting assemblies are arranged on the inner wall surfaces of the two sides of the cabinet body. Ventilation assemblies are arranged on the surfaces of the two sides of the cabinet body. According to the utility model, the vacuum pump can continuously pump out the air in the cabinet body and reduce the pressure in the cabinet body, so that the parts in the cabinet body cannot be continuously combusted, the purpose of extinguishing fire is achieved, the fire is prevented from spreading, and the elements in the cabinet body are protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to ring net switchgear technical field especially relates to a metal enclosed high pressure ring net switchgear. BACKGROUND

[0002] Switch cabinet is a kind of electrical equipment, and the outer line of switch cabinet enters the main control switch in cabinet first, then enters branch control switch, and each branch is set according to its needs.For example, instrument, automatic control, motor magnetic switch, various ac contactors, etc., some also set high-voltage room and low-voltage room switch cabinet, set high-voltage bus, such as power plant, etc., some also set low-cycle load reducer for protecting main equipment, and there are many classification methods for switch cabinet, such as removable switch cabinet and fixed switch cabinet by circuit breaker installation mode;Or according to the different cabinet structure, it can be divided into open switch cabinet, metal enclosed switch cabinet and metal enclosed armored switch cabinet;According to the voltage grade, it can be divided into high-voltage switch cabinet, low-voltage switch cabinet, etc.It is mainly suitable for power plant, substation, petrochemical, metallurgy and steel rolling, light industry and textile, factory and mine enterprise and residential area, high-rise building and various different occasions.

[0003] But in the prior art, although the metal enclosed high pressure ring net switchgear is provided with fire alarm in cabinet, when the fire occurs in the electric wire in cabinet, it needs to be extinguished in time, and the staff receives fire alarm signal with a certain time, which may lose the best opportunity of extinguishing fire, resulting in the damage of all internal components. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a metal enclosed high pressure ring net switchgear, comprising: cabinet body, the one side surface of the cabinet body is rotatably connected with cabinet door, the one side surface of the cabinet door is fixedly installed with sealing gasket, the other side surface of the cabinet door is fixedly provided with control terminal, the top surface of the cabinet body is fixedly installed with vacuum pump, the top end of the one side inner wall of the cabinet body is fixedly installed with fire alarm, the bottom end of the one side inner wall surface of the cabinet body is fixedly installed with temperature detector, the both side inner wall surfaces of the cabinet body are all provided with ventilation groove, the both side inner wall surfaces of the cabinet body are provided with adjusting assembly, the both side surfaces of the cabinet body are all provided with ventilation assembly, the adjusting assembly includes two vertical grooves, two vertical grooves are arranged on the both side inner wall surfaces of the cabinet body, and two vertical rods are fixedly installed between the upper and lower end inner walls of two vertical grooves.

[0006] As a preferred implementation, the plurality of vertical rods are each two as a group between the active set of a plurality of active plate, the two sides of the surface of a plurality of the active plate is installed with pulley, a plurality of pulley and two vertical groove left and right side wall between the corresponding active fit, a plurality of the active plate every two as a group between the fixed installation of the partition, the top surface of a plurality of the partition is evenly provided with a plurality of ventilation long groove.

[0007] As a preferred implementation, the two ends of the side surface of a plurality of the partition are provided with horizontal groove, the side surface of a plurality of the partition is provided with a plurality of limiting groove, a plurality of the limiting groove is located between a plurality of horizontal groove, the two ends of the inner wall of a plurality of the horizontal groove is fixedly installed with horizontal rod, the surface of a plurality of the horizontal rod is movably fitted with slide plate, the upper and lower side surface of a plurality of the slide plate is movably fitted with the upper and lower end of the inner wall surface of a plurality of horizontal groove, the side surface of a plurality of the slide plate and the side wall surface of a plurality of horizontal groove is fixedly installed with first spring, a plurality of the horizontal rod is located on the inner side of a plurality of the first spring, the inner wall surface of the cabinet is evenly provided with a plurality of limiting hole.

[0008] As a preferred implementation, the other side surface of a plurality of the slide plate is fixedly installed with limiting rod, a plurality of the limiting rod is inserted in the inside of a plurality of limiting hole, the side surface of a plurality of the slide plate is provided with T-shaped groove, the inner wall surface of a plurality of the T-shaped groove is movably installed with T-shaped plate, the side surface of a plurality of the T-shaped plate and the side wall surface of a plurality of the T-shaped groove is fixedly installed with second spring, the side surface of a plurality of the T-shaped plate is fixedly installed with limiting plate, a plurality of the limiting plate is inserted in the inside of a plurality of limiting groove.

[0009] As a preferred implementation, the ventilation assembly comprises two backshaped plates, a plurality of the backshaped plates are fixedly installed on the side surface of the cabinet, two ventilation grooves are located between the two backshaped plates, the inner wall of the two backshaped plates is fixedly installed with filter plate, the inner wall of the two backshaped plates is fixedly installed with cross plate, the side surface of the two cross plates is fixedly installed with fan.

[0010] As a preferred implementation, the two ends of the inner wall of the two backshaped plates are installed with two bidirectional threaded rods through the bearing, the side surface of the two backshaped plates is fixedly installed with motor, the output end of the two motors and one end of the two bidirectional threaded rods are fixedly connected, the upper and lower end of the inner wall surface of the two backshaped plates is provided with cross groove, the inner wall surface of a plurality of the cross groove is movably installed with two cross blocks, the side surface of a plurality of the cross blocks is fixedly installed with cylinder, a plurality of the cylinder is two as a group corresponding to the threaded connection on the surface of the two bidirectional threaded rods.

[0011] As a preferred implementation form, the other end surface of each of the plurality of bidirectional threaded rods is fixedly provided with a belt pulley, and each two of the plurality of belt pulleys are connected by a transmission belt.

[0012] As a preferred implementation form, the outer wall surface of each of the plurality of cylinders is hingedly provided with a hinge plate, and each two of the plurality of hinge plates are hingedly provided with a fixed block, and one side surface of each two of the plurality of fixed blocks is fixedly provided with a sealing plate, and one side surface of each of the two sealing plates is fixedly provided with a sealing strip.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that:

[0014] 1、the utility model discloses, two T-shaped plates move and extrude two second springs, and simultaneously two T-shaped plates move and drive two limiting plates to move, and two limiting plates move and make its own remove from the inside of two limiting grooves, and two slide plates move and drive two limiting rods to move, and two limiting rods move and make its own remove from the inside of two limiting holes, and further make the baffle lose the location.

[0015] Two limiting plates are correspondingly inserted in the inside of the other two limiting grooves to limit the reset of two first springs, and the two side surfaces of two movable plates are provided with pulleys, so that smaller force can drive two movable plates to move on the surface of a plurality of vertical rods, two T-shaped plates are pulled again and reset, so that two limiting rods are reinserted in the inside of two limiting holes to limit the movement of the baffle, and the position of a plurality of baffles in the cabinet can be adjusted by the same way.

[0016] Through the cooperation of the above structure, the distance between a plurality of baffles can be adjusted at will, and the space utilization rate of the cabinet body is greatly improved.

[0017] 2、the utility model discloses, under normal circumstances, two sealing plates keep open state, ensure that the cabinet body is ventilated and radiates heat, when the temperature value fed back by the temperature detector is higher than the range of preset heat accumulation heat dissipation, the control terminal runs two fans, and the rotation of two fans drives the air flow in the cabinet body, and hot air in the cabinet body is continuously drawn out, so that the cooling treatment is realized, and two filter plates filter dust, preventing the internal components of the cabinet from being affected by dust.

[0018] When the fire alarm detects a fire, the control terminal will stop the two fans and start the two motors. The two motors drive the two bidirectional threaded rods to rotate, which in turn drives the two pulleys to rotate. The rotation of the multiple pulleys drives the multiple bidirectional threaded rods to rotate synchronously, which in turn drives the multiple hinge plates to move. The movement of the multiple hinge plates drives the two sealing plates to move, so that the two sealing plates, together with the two sealing strips, close the two U-shaped plates, thereby closing the entire cabinet.

[0019] The control terminal operates the vacuum pump, which continuously extracts air from inside the cabinet, reducing the pressure inside the cabinet. In a near-oxygen-free state, combustion cannot occur, thus achieving the purpose of extinguishing the fire and preventing it from spreading further.

[0020] With the cooperation of the above structures, the vacuum pump can continuously extract the air from inside the cabinet, reduce the pressure inside the cabinet, prevent the components inside the cabinet from continuing to burn, achieve the purpose of extinguishing the fire, prevent the fire from spreading, and protect the components inside the cabinet. Attached Figure Description

[0021] Figure 1 A three-dimensional structural diagram of a metal-enclosed high-voltage ring network switchgear provided for this utility model;

[0022] Figure 2 A schematic diagram of the structure of a metal-enclosed high-voltage ring network switchgear cabinet when the door is opened, as provided in this utility model;

[0023] Figure 3 A partial structural schematic diagram of a metal-enclosed high-voltage ring network switchgear provided by this utility model;

[0024] Figure 4 A schematic diagram of the structure of a metal-enclosed high-voltage ring network switchgear partition provided by this utility model;

[0025] Figure 5 A schematic diagram of the structure of a ventilation assembly for a metal-enclosed high-voltage ring network switchgear provided by this utility model;

[0026] Figure 6 This utility model provides a metal-enclosed high-voltage ring network switchgear. Figure 5 A schematic diagram of the left-side view structure;

[0027] Figure 7 This utility model provides a metal-enclosed high-voltage ring network switchgear. Figure 5 A cross-sectional view of the disassembled structure;

[0028] Figure 8 This utility model provides a metal-enclosed high-voltage ring network switchgear. Figure 5 A schematic diagram of the right-side view structure;

[0029] Figure 9 The utility model provides a kind of metal enclosed high-voltage ring network switch cabinet Figure 2 The structural schematic diagram of middle A;

[0030] Figure 10 The utility model provides a kind of metal enclosed high-voltage ring network switch cabinet Figure 4 The structural schematic diagram of middle B.

[0031] Legend:

[0032] 1, cabinet body;2, cabinet door;3, control terminal;4, vacuum pump;5, fire alarm;6, temperature detector;7, ventilation groove;8, adjusting assembly;801, vertical groove;802, vertical rod;803, movable plate;804, pulley;805, partition;806, ventilation long groove;807, horizontal groove;808, horizontal rod;809, sliding plate;810, first spring;811, limiting rod;812, limiting hole;813, T-shaped groove;814, T-shaped plate;815, second spring;816, limiting plate;817, limiting groove;9, ventilation assembly;901, return plate;902, filter plate;903, cross plate;904, fan;905, bidirectional screw rod;906, motor;907, cross groove;908, cross block;909, cylinder;910, hinged plate;911, fixed block;912, sealing plate;913, pulley;914, transmission belt. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] Please refer to Figures 1-10The utility model provides a technical scheme: a kind of metal closed high-voltage ring network switch cabinet, comprising: cabinet 1, the side surface of cabinet 1 is rotatably connected with cabinet door 2, the side surface of cabinet door 2 is fixedly installed with sealing gasket, the other side surface of cabinet door 2 is fixed with control terminal 3, the top surface of cabinet 1 is fixedly installed with vacuum pump 4, the top end of the inside wall of one side of cabinet 1 is fixedly installed with fire alarm 5, the bottom end of the inside wall surface of one side of cabinet 1 is fixedly installed with temperature detector 6, the inside wall surface of both sides of cabinet 1 is equipped with ventilation groove 7, the inside wall surface of both sides of cabinet 1 is equipped with adjusting assembly 8, the surface of both sides of cabinet 1 is equipped with ventilation component 9, adjusting assembly 8 includes two vertical grooves 801, two vertical grooves 801 are set in the inside wall surface of both sides of cabinet 1, two vertical grooves 801 are fixedly installed with two vertical rods 802 between the inside wall of upper and lower ends.

[0035] Specifically: the side surface of cabinet door 2 is equipped with sealing gasket, sealing gasket can be clamped in the opening of one side of cabinet 1 to seal and realize friction to avoid cabinet door 2 to open and close easily, control terminal 3 plays the role of controlling the operation of two motors 906 and vacuum pump 4, is used for detecting fire alarm 5 and temperature detector 6 simultaneously, vacuum pump 4 is prior art, when operating, the air inside cabinet 1 can be extracted, and specific description is not made here.

[0036] In an embodiment, a plurality of movable plates 803 are movably attached between every two groups of vertical rods 802, a plurality of pulleys 804 are installed on the two side surfaces of the plurality of movable plates 803, the plurality of pulleys 804 and the left and right side inner walls of the two vertical grooves 801 correspond movably attached, a plurality of partition plates 805 are fixedly installed between every two groups of the plurality of movable plates 803, and a plurality of ventilation long grooves 806 are evenly formed in the top surfaces of the plurality of partition plates 805.

[0037] Specifically: ventilation long groove 806 plays the role of keeping the air inside cabinet 1 circulating, the setting of pulley 804 plays the role of assisting movement, ensuring the stable movement of two movable plates 803.

[0038] In an embodiment, transverse grooves 807 are formed at both ends of one side surface of the plurality of partition plates 805, a plurality of limiting grooves 817 are formed on one side surface of the plurality of partition plates 805, the plurality of limiting grooves 817 are located between the plurality of transverse grooves 807, horizontal rods 808 are fixedly installed between the two end inner walls of the plurality of transverse grooves 807, sliding plates 809 are movably attached to the surfaces of the plurality of horizontal rods 808, the upper and lower side surfaces of the plurality of sliding plates 809 correspond movably attached to the upper and lower end inner wall surfaces of the plurality of transverse grooves 807, first springs 810 are fixedly installed between one side surface of the plurality of sliding plates 809 and one side inner wall surface of the plurality of transverse grooves 807, the plurality of horizontal rods 808 correspond to the inside of the plurality of first springs 810, and a plurality of limiting holes 812 are evenly formed in the inside wall surfaces of both sides of cabinet 1.

[0039] Specifically, the first spring 810 limits the position of the sliding plate 809 on the surface of the horizontal rod 808, the upper and lower surfaces of the sliding plate 809 are in close contact with the inner wall surfaces of the upper and lower sides of the horizontal groove 807, thereby ensuring the stable movement of the sliding plate 809.

[0040] In an embodiment, the other side surface of each of the plurality of sliding plates 809 is fixedly installed with a limiting rod 811, the plurality of limiting rods 811 are correspondingly inserted into the inside of the plurality of limiting holes 812, the side surface of each of the plurality of sliding plates 809 is provided with a T-shaped groove 813, the inner wall surface of each of the plurality of T-shaped grooves 813 is movably installed with a T-shaped plate 814, the plurality of T-shaped plates 814 and the side inner wall surface of the plurality of T-shaped grooves 813 are fixedly installed with a second spring 815, the side surface of each of the plurality of T-shaped plates 814 is fixedly installed with a limiting plate 816, and the plurality of limiting plates 816 are correspondingly inserted into the inside of the plurality of limiting grooves 817.

[0041] Specifically, the second spring 815 limits the position of the T-shaped plate 814 in the T-shaped groove 813, the limiting rod 811 and the limiting hole 812 limit the movement of the partition plate 805, and the limiting plate 816 and the limiting groove 817 limit the rebound of the first spring 810.

[0042] In an embodiment, the ventilation assembly 9 includes two back-shaped plates 901, the plurality of back-shaped plates 901 are fixedly installed on the side surfaces of the cabinet body 1, the two ventilation grooves 7 are correspondingly located between the two back-shaped plates 901, the inner walls of the two back-shaped plates 901 are fixedly installed with a filter plate 902, the inner walls of the two back-shaped plates 901 are fixedly installed with a cross plate 903, and the side surface of the two cross plates 903 is fixedly installed with a fan 904.

[0043] Specifically, the filter plate 902 filters dust in the air, the directions of the two fans 904 are opposite, and the two fans 904 dredge the air inside the cabinet body 1.

[0044] In an embodiment, the two back-shaped plates 901 are rotatably installed with two bidirectional threaded rods 905 through bearings, the side surface of each of the two back-shaped plates 901 is fixedly installed with a motor 906, the output end of each of the two motors 906 is fixedly connected with one end of each of the two bidirectional threaded rods 905, the upper and lower inner wall surfaces of each of the two back-shaped plates 901 are provided with a cross groove 907, the inner wall surface of each of the plurality of cross grooves 907 is movably installed with a cross block 908, the side surface of each of the plurality of cross blocks 908 is fixedly installed with a cylinder 909, and each of the plurality of cylinders 909 is threadedly connected with the surface of each of the two bidirectional threaded rods 905.

[0045] Specifically: two motors 906 are positive and negative rotation motor 906, which drives the double -sided screw rod 905 positive and negative rotation effect, the double -sided screw rod 905 drives two cylinders 909 to move towards each other in opposite directions.

[0046] In one embodiment, the other end surface of the plurality of double -sided screw rod 905 is fixedly installed with the belt pulley 913, and the plurality of belt pulley 913 is correspondingly located on the outer side of the two backplates 901, and the transmission belt 914 is connected between every two groups of the plurality of belt pulleys 913.

[0047] Specifically: the setting of the belt pulley 913 and the transmission belt 914 ensures that the two double -sided screw rod 905 rotates synchronously.

[0048] In one embodiment, the outer wall surface of the plurality of cylinders 909 is hingedly connected with the hinge plate 910, the hinge plate 910 is hingedly connected with the fixed block 911, the fixed block 911 is fixedly installed with the sealing plate 912 on one side surface, and the sealing plate 912 is fixedly installed with the sealing strip on one side surface.

[0049] Specifically: the plurality of hinge plates 910 drive the two sealing plates 912 to move, the sealing plate 912 is fixedly installed with the sealing strip on one side surface, and the sealing strip can be clamped in the opening of the backplate 901 when closed.

[0050] Working principle:

[0051] When the distance between the partition plates 805 is needed, first pull the two T-shaped plates 814, the two T-shaped plates 814 move to extrude the two second springs 815, so that the two second springs 815 are compressed under stress, and the movement of the two T-shaped plates 814 drives the movement of the two limiting plates 816, the movement of the two limiting plates 816 makes them move out of the inside of the two limiting grooves 817, so that the two sliding plates 809 lose the limiting on the surface of the two horizontal rods 808, at this time, move the two sliding plates 809, so that the two sliding plates 809 move on the surface of the two horizontal rods 808, the movement of the two sliding plates 809 extrudes the two first springs 810, so that the two first springs 810 are compressed under stress, and the movement of the two sliding plates 809 drives the movement of the two limiting rods 811, the movement of the two limiting rods 811 makes them move out of the inside of the two limiting holes 812, so that the partition plate 805 loses the limiting.

[0052] When the two limiting plates 816 move to the side of the other two limiting grooves 817, the two limiting plates 816 are correspondingly inserted into the other two limiting grooves 817, so as to limit the reset of the two first springs 810, then the partition plate 805 is moved, the two side surfaces of the two movable plates 803 are both provided with the pulleys 804, so that the two movable plates 803 can be moved on the surface of the plurality of vertical rods 802 by using a small force, when the partition plate 805 is moved to a proper height, the two T-shaped plates 814 are pulled again and reset, so that the two limiting rods 811 are re-inserted into the two limiting holes 812, so as to limit the movement of the partition plate 805, and the position of the plurality of partition plates 805 in the cabinet can be adjusted by the same way.

[0053] Through the cooperation of the above structure, the distance between the plurality of partition plates 805 can be adjusted at will, and the space utilization rate in the cabinet body 1 is greatly improved.

[0054] The two detection range values are set by the control terminal 3 in advance, the temperature difference between the two detection range values preset by the control terminal 3 is large, one is for the heat accumulation and heat dissipation range value in the cabinet, and the other is for the fire detection range value, and the temperature in the cabinet 1 is detected in real time by the fire alarm 5 and the temperature detector 6 and fed back to the control terminal 3.

[0055] Under normal circumstances, when the fire alarm 5 and the temperature detector 6 are detected in real time, the two sealing plates 912 remain open to ensure the ventilation of the cabinet, when the temperature value fed back by the temperature detector 6 is higher than the preset range for heat accumulation and heat dissipation, the control terminal 3 drives the two fans 904 to rotate, since the directions of the two fans 904 are opposite, the rotation of the two fans 904 drives the air in the cabinet 1 to flow, so as to accelerate the dispersion of the internal heat, so as to achieve the cooling treatment, and the two filter plates 902 filter the dust, so as to prevent the internal components of the cabinet 1 from being affected by the dust.

[0056] When the fire alarm 5 detects a fire or the temperature detector 6 detects that the value of the feedback reaches the preset temperature value for fire detection, the control terminal 3 stops running the two fans 904 and runs the two motors 906, the two motors 906 drive the two bidirectional threaded rods 905 to rotate, the two bidirectional threaded rods 905 drive the two belt pulleys 913 to rotate, a plurality of belt pulleys 913 are connected between every two groups of transmission belts 914, so that the plurality of belt pulleys 913 rotate synchronously, and then the plurality of bidirectional threaded rods 905 rotate synchronously, the plurality of bidirectional threaded rods 905 drive the two cylinders 909 on the surfaces thereof to move in opposite directions, the plurality of cylinders 909 drive the plurality of hinged plates 910 to move, the plurality of hinged plates 910 drive the plurality of fixed blocks 911 to move, and the plurality of fixed blocks 911 drive the two sealing plates 912 to move, so that the two sealing plates 912 are closed by the two sealing strips, and then the two return plates 901 are closed, and the entire cabinet 1 is closed;

[0057] At this time, the control terminal 3 synchronously runs the vacuum pump 4, the vacuum pump 4 runs to continuously exhaust the air in the cabinet 1, reduces the pressure in the cabinet 1, and cannot burn in a nearly oxygen-free state, so that the purpose of extinguishing the fire is achieved, and the fire is prevented from further spreading;

[0058] Through cooperation of the above structure, the vacuum pump 4 can continuously exhaust the air in the cabinet 1, reduce the pressure in the cabinet 1, so that the components in the cabinet 1 cannot continue to burn, the purpose of extinguishing the fire is achieved, the fire is prevented from spreading, and the elements in the cabinet 1 are protected.

[0059] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belong to the protection scope of the present application.

Claims

1. A metal-enclosed high-voltage ring main unit switchgear, characterized in that Include: The cabinet (1), one side surface of the cabinet (1) is rotatably connected with the cabinet door (2), one side surface of the cabinet door (2) is fixedly installed with the sealing gasket, the other side surface of the cabinet door (2) is fixedly installed with the control terminal (3), the top surface of the cabinet (1) is fixedly installed with the vacuum pump (4), the top end of the one side inner wall of the cabinet (1) is fixedly installed with the fire alarm (5), the bottom end of the one side inner wall surface of the cabinet (1) is fixedly installed with the temperature detector (6), the both sides inner wall surfaces of the cabinet (1) are provided with ventilation grooves (7), the both sides inner wall surfaces of the cabinet (1) are provided with adjusting assemblies (8), the both sides surfaces of the cabinet (1) are provided with ventilation assemblies (9), the adjusting assembly (8) comprises two vertical grooves (801), two vertical grooves (801) are arranged on the both sides inner wall surfaces of the cabinet (1), two vertical grooves (801) are fixedly installed with two vertical rods (802) between the upper and lower inner walls.

2. The metal-enclosed high-voltage ring main unit switchgear according to claim 1, characterized in that: A plurality of vertical rods (802) are movably sleeved with a plurality of movable plates (803) between every two groups, a plurality of movable plates (803) are movably sleeved with a plurality of pulleys (804) on the both sides surfaces, a plurality of pulleys (804) and two vertical grooves (801) are movably matched between the left and right inner walls, a plurality of movable plates (803) are fixedly installed with a plurality of partition plates (805) between every two groups, a plurality of partition plates (805) are evenly provided with a plurality of ventilation long grooves (806) on the top surfaces.

3. The metal-enclosed high-tension ring main unit switchgear according to claim 2, characterized in that: A plurality of partition plates (805) are movably sleeved with a plurality of pulleys (804) on the both sides surfaces, a plurality of pulleys (804) and two vertical grooves (801) are movably matched between the left and right inner walls, a plurality of movable plates (803) are fixedly installed with a plurality of partition plates (805) between every two groups, a plurality of partition plates (805) are evenly provided with a plurality of ventilation long grooves (806) on the top surfaces. A plurality of partition plates (805) are movably sleeved with a plurality of pulleys (804) on the both sides surfaces, a plurality of pulleys (804) and two vertical grooves (801) are movably matched between the left and right inner walls, a plurality of movable plates (803) are fixedly installed with a plurality of partition plates (805) between every two groups, a plurality of partition plates (805) are evenly provided with a plurality of ventilation long grooves (806) on the top surfaces.

4. The metal-enclosed high-tension ring main unit switchgear according to claim 3, characterized in that: The other side surface of the plurality of sliding plates (809) is fixedly installed with a limiting rod (811), the plurality of limiting rods (811) are correspondingly inserted into the plurality of limiting holes (812), the side surface of the plurality of sliding plates (809) is provided with a T-shaped groove (813), the inner wall surface of the plurality of T-shaped grooves (813) is movably installed with a T-shaped plate (814), the plurality of T-shaped plates (814) and the side inner wall surface of the plurality of T-shaped grooves (813) are fixedly installed with a second spring (815), the side surface of the plurality of T-shaped plates (814) is fixedly installed with a limiting plate (816), and the plurality of limiting plates (816) are correspondingly inserted into the plurality of limiting grooves (817).

5. The metal-enclosed high-tension ring main unit switchgear according to claim 1, characterized in that: The ventilation assembly (9) comprises two backshaped plates (901), a plurality of backshaped plates (901) are fixedly installed on the two side surfaces of the cabinet (1), two ventilation grooves (7) are correspondingly located between the two backshaped plates (901), the inner walls of the two backshaped plates (901) are fixedly installed with a filter plate (902), the inner walls of the two backshaped plates (901) are fixedly installed with a cross plate (903), and the side surface of the two cross plates (903) is fixedly installed with a fan (904).

6. The metal-enclosed high-tension ring main unit switchgear according to claim 5, characterized in that: The two backshaped plates (901) are fixedly installed with two bidirectional threaded rods (905) through the bearings penetrating between the two side inner walls, the two backshaped plates (901) are fixedly installed with a motor (906) on the side surface, the output end of the two motors (906) and one end of the two bidirectional threaded rods (905) are fixedly connected, the upper and lower inner wall surfaces of the two backshaped plates (901) are provided with a cross groove (907), the inner wall surfaces of the plurality of cross grooves (907) are movably installed with two cross blocks (908), the side surfaces of the plurality of cross blocks (908) are fixedly installed with a cylinder (909), and every two of the plurality of cylinders (909) are correspondingly threadedly connected on the surface of the two bidirectional threaded rods (905).

7. The metal-enclosed high-tension ring main unit switchgear according to claim 6, characterized in that: The other end surface of the plurality of bidirectional threaded rods (905) is fixedly installed with a belt pulley (913), the plurality of belt pulleys (913) are correspondingly located outside the two backshaped plates (901), and every two of the plurality of belt pulleys (913) are connected with a transmission belt (914).

8. The metal-enclosed high-tension ring main unit switchgear according to claim 6, characterized in that: The outer wall surface of the plurality of cylinders (909) is hingedly connected with a hinge plate (910), the plurality of hinge plates (910) are hingedly connected with a fixed block (911) between every two of the plurality of hinge plates (910), the side surface of every two of the plurality of fixed blocks (911) is fixedly installed with a sealing plate (912), and the side surface of the two sealing plates (912) is fixedly installed with a sealing strip.

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