An intelligent energy-saving environment-friendly gas sealed cavity structure for a ring main unit

Abstract

The application relates to the technical field of power equipment, and discloses an environment-friendly gas sealing cavity structure for a smart energy-saving ring network cabinet, which comprises a cabinet body, a sealing bin is fixedly connected to the outer wall of the cabinet body through bolts, a bus joint is fixedly connected to the inner wall of the sealing bin, a guide rod is fixedly connected to the outer wall of the cabinet body, an isolation bin is arranged in the inner wall of the sealing bin, and a bolt is arranged in the isolation bin; the outer wall of the bolt is slidably connected to the inner wall of the isolation bin, a second insertion slot is arranged in the outer wall of the side of the guide rod close to the sealing bin, a supporting plate one is fixedly connected to the bottom of the bolt, and the outer wall of the supporting plate one is slidably connected to the inner wall of the isolation bin through a sealing ring. The bolt is arranged, the bolt and the second insertion slot are inserted to increase the extrusion of the sealing bin on the sealing strip, the sealing property between the sealing bin and the cabinet body is improved, the sealing strip is protected, the area of the sealing strip exposed to air is reduced, and the service life of the sealing cavity is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power equipment, in particular to an environment-friendly gas sealing cavity structure for a smart energy-saving ring network cabinet. BACKGROUND

[0002] The environment-friendly gas sealing cavity structure for a ring network cabinet is a structure for containing environment-friendly gas in the ring network cabinet and maintaining its sealed state, so that the environment-friendly gas can realize insulation and arc extinguishing effect in the operation of the ring network cabinet, and the normal work of the ring network cabinet is ensured.

[0003] The patent application with the application number CN202311642064.7 discloses an environment-friendly gas ring network cabinet, which comprises a cabinet body, a heat dissipation back box, a first fan, a partition plate, a sealing plate, a cooling cavity and a heat dissipation cavity.

[0004] However, during the long-term operation of the environment-friendly gas sealing cavity of the ring network cabinet, the sealing ring at the wiring position of the cavity may be oxidized, which changes the physical properties of the oxidized sealing ring and reduces the sealing effect, causing the environment-friendly gas in the sealing cavity to leak outward from the damaged sealing part, gradually reducing the absolute pressure of the environment-friendly gas inside the cavity, and affecting the insulation strength and arc extinguishing capacity of the switch unit break area. SUMMARY

[0005] The present application aims to provide an environment-friendly gas sealing cavity structure for a smart energy-saving ring network cabinet to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: an environment-friendly gas sealing cavity structure for a smart energy-saving ring network cabinet, comprising a cabinet body, a sealing bin fixedly connected to the outer wall of the cabinet body by bolts, a bus joint fixedly connected to the inner wall of the sealing bin, a guide rod fixedly connected to the outer wall of the cabinet body, an isolation bin formed in the inner wall of the sealing bin, and a latch arranged inside the isolation bin.

[0007] The plug outer wall is in sliding connection with the isolation bin inner wall, the guide rod is provided with a second slot on the side wall close to the sealing bin, the plug bottom is fixedly connected with a support plate one, the support plate one outer wall is in sliding connection with the isolation bin inner wall through a sealing ring, the support plate one top is fixedly connected with an extension rod, the extension rod far end from the support plate one is fixedly connected with the isolation bin inner wall, the second slot wall inclined surface is used for guiding the plug, the cabinet inside is provided with an environment-friendly gas source, the bus joint is connected through a copper bar, the bus joint is connected with an electric control unit through the copper bar, and the electric control unit is electrically connected with the outlet joint, the extension rod inside is provided with a spring for extension and contraction, and the support plate one is supported.

[0008] According to the above technical scheme, the second slot wall is provided with a guide groove, the plug inner wall is rotatably connected with a guide wheel through a rotating shaft, the plug is inserted with the guide wheel, the guide wheel outer wall is in contact with the guide groove wall, and the guide wheel is rolled along the guide groove wall through friction force, and the guide wheel is used for reducing the friction between the plug and the second slot.

[0009] According to the above technical scheme, the isolation bin inside is fixedly connected with a limiting plate, the limiting plate is used for limiting and supporting the support plate one bottom, the isolation bin is driven by the environment-friendly gas filled in the sealing bin to slide on the isolation bin inner wall, so that the plug is inserted into the second slot.

[0010] According to the above technical scheme, the sealing bin bottom is provided with an assembly slot, the assembly slot wall is fixedly connected with a sealing strip, the sealing strip outer wall is in contact with the cabinet outer wall, and the sealing bin inside is sealed by extruding the sealing strip.

[0011] According to the above technical scheme, the sealing bin inner wall is provided with a first slot, the first slot wall is fixedly connected with a limiting block one, the guide rod outer wall is provided with a limiting slot one, the guide rod outer wall is inserted with the first slot wall, the guide rod is used for guiding and limiting the sealing bin through the first slot, and the limiting block one outer wall is inserted with the limiting slot one wall.

[0012] According to the above technical scheme, the sealing bin inner wall is fixedly connected with an outlet joint, the outlet joint outer wall is fixedly connected with a sealing ring, the outlet joint is inserted with the cabinet outer wall through the sealing ring, and the sealing bin and the outlet joint are sealed.

[0013] According to the above technical scheme, the sealing bin inner wall is fixedly connected with a guide plate, the guide plate inner wall is fixedly connected with a limiting block two, the sealing bin inner wall is inserted with a top block, the top block inner wall is in sliding connection with the outlet joint outer wall, and the top block outer wall is a conical surface, which is used for cooperating with the sealing bin inner wall to further seal the outlet joint.

[0014] According to the technical scheme, the outer wall of the top block is fixedly connected with a second support plate, the outer wall of the second support plate is slidably connected with the inner wall of the guide plate through a sealing ring, the second limiting block is used for limiting the second support plate, the second support plate is extruded by inflation of the sealing chamber to increase the sealing property, the guide plate is used for guiding the second support plate, the top block is a rubber block, the outer wall of the top block is extruded by the second support plate to make the inclined surface of the outer wall of the top block contact with the inner wall of the sealing chamber, and the sealing chamber and the outlet connector are further sealed, the sealing chamber is internally provided with a sensor for monitoring the moving distance of the second support plate.

[0015] According to the technical scheme, the outer wall of the cabinet is fixedly connected with a guide rail, the outer wall of the guide rail is provided with a second limiting groove, the surface of the guide rail is provided with an inflation port, the inner wall of the sealing chamber is rotatably connected with a roller through a rotating shaft, the outer wall of the roller is inserted into the groove wall of the second limiting groove and rolls along the groove wall of the second limiting groove through friction, the roller is guided and limited by the second limiting groove, and the four groups of rollers are symmetrically arranged on the inner wall of the sealing chamber with the center line of the guide rail as the axis of symmetry.

[0016] According to the technical scheme, the outer wall of the guide rail is inserted into the bottom of the sealing chamber, the outer wall of the guide rail contacts with the outer wall of the sealing strip and extrudes the sealing strip to increase the sealing property of the sealing strip to the sealing chamber, the inflation port penetrates through the guide rail and communicates with the inside of the cabinet to input the environment-friendly gas into the inside of the sealing chamber, a one-way valve is arranged in the inflation port to maintain the pressure of the environment-friendly gas in the sealing chamber, and the environment-friendly gas source arranged in the inside of the cabinet injects the environment-friendly gas into the sealing chamber through the inflation port.

[0017] The application relates to a power electronic component manufacturing technology, and has the following beneficial effects.

[0018] 1. The application increases the extrusion of the sealing chamber to the sealing strip by inserting the plug pin into the second slot, increases the sealing property between the sealing chamber and the cabinet, increases the protection of the sealing strip, reduces the area of the sealing strip exposed to the air, and increases the service life of the environment-friendly gas sealing cavity of the ring main unit.

[0019] 2. The application charges and isolates the environment-friendly gas in the isolation chamber, so that the pressure in the isolation chamber is maintained when the environment-friendly gas in the sealing chamber leaks, and the leakage point is prevented from being increased when the environment-friendly gas leaks.

[0020] 3. The application seals the outlet connector twice by the top block, prevents the sealing ring from leaking to reduce the sealing effect, prevents the damaged sealing part of the environment-friendly gas in the sealing cavity from leaking outward, and increases the safety of the environment-friendly gas sealing cavity of the ring main unit.

[0021] 4. The application sets the limiting groove two, cooperates with the roller to guide the installation of the sealing bin, and supports the sealing bin after the installation of the sealing bin is completed, so that the sealing bin uniformly extrudes the sealing strip. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the application;

[0023] Figure 2 It is a structural schematic diagram of the sealing bin of the application;

[0024] Figure 3 It is a sectional view of the sealing bin of the application Figure 1 ;

[0025] Figure 4 It is a sectional view of the sealing bin of the application Figure 2 ;

[0026] Figure 5 It is a sectional view of the sealing bin of the application Figure 3 ;

[0027] Figure 6 It is a sectional view of the sealing bin of the application Figure 4 ;

[0028] Figure 7 It is a movement schematic diagram of the internal structure of the sealing bin in the sectional view state of the application;

[0029] Figure 8 It is a structural schematic diagram of the guiding rod of the application;

[0030] Figure 9 It is a sectional view of the sealing bin of the application Figure 5 ;

[0031] Figure 10 It is a sectional view of the sealing bin of the application Figure 6 ;

[0032] Figure 11 It is a sectional view of the sealing bin of the application Figure 7 ;

[0033] Figure 12 It is an enlarged schematic diagram of A in the application Figure 2 ;

[0034] Figure 13 It is an enlarged schematic diagram of B in the application Figure 10 .

[0035] In the figure: 1, cabinet body; 101, sealed warehouse; 102, bus joint; 103, guide rod; 104, limit groove one; 105, slot one; 106, limit block one; 107, sealing strip; 108, outgoing line joint; 109, valve body; 110, manual valve; 111, assembly groove; 201, isolation warehouse; 202, bolt; 203, support plate one; 204, guide wheel; 205, telescopic rod; 206, limit plate; 207, slot two; 208, guide groove; 301, guide plate; 302, limit block two; 303, sealing ring; 304, top block; 305, support plate two; 401, guide rail; 402, inflation port; 403, limit groove two; 404, roller. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0037] Embodiment one, please refer to Figures 1-8 The present application provides a technical solution: an environmentally friendly gas sealed cavity structure for a smart energy-saving ring network cabinet, comprising a cabinet body 1, a sealed warehouse 101 is fixedly connected to the outer wall of the cabinet body 1 by bolts, and a bus joint 102 is fixedly connected to the inner wall of the sealed warehouse 101;

[0038] During long-time operation of the ring network cabinet environmentally friendly gas sealed cavity, the sealing ring at the wire connection position of the cavity will be oxidized, resulting in a change in physical properties after oxidation of the sealing ring and a decrease in sealing effect. Therefore, the bolt 202 is arranged to increase the extrusion of the sealing strip 107 by the sealed warehouse 101 through the insertion of the bolt 202 and the slot two 207, increase the sealing property between the sealed warehouse 101 and the cabinet body 1, increase the protection of the sealing strip 107, reduce the area of the sealing strip 107 exposed to the air, and at the same time, the isolation warehouse 201 is arranged to charge and isolate the environmentally friendly gas. When the environmentally friendly gas in the sealed warehouse 101 leaks, the pressure in the isolation warehouse 201 is still maintained, preventing the increase of leakage points when the environmentally friendly gas leaks;

[0039] The outer wall of the cabinet body 1 is fixedly connected with a guide rod 103, the inner wall of the sealing bin 101 is provided with an isolation bin 201, the bottom of the sealing bin 101 is provided with an assembly groove 111, the groove wall of the assembly groove 111 is fixedly connected with a sealing strip 107, the outer wall of the sealing strip 107 is in contact with the outer wall of the cabinet body 1, the inside of the sealing bin 101 is sealed by extruding the sealing strip 107, the inner wall of the sealing bin 101 is provided with a slot 105, the groove wall of the slot 105 is fixedly connected with a limiting block 106, the outer wall of the guide rod 103 is provided with a limiting slot 104, the outer wall of the guide rod 103 is inserted with the groove wall of the slot 105, the guide rod 103 is used for guiding and limiting the sealing bin 101 through the slot 105, the outer wall of the limiting block 106 is inserted with the groove wall of the limiting slot 104, the limiting block 106 supports and limits the sealing bin 101 through the limiting slot 104, the inner wall of the sealing bin 101 is fixedly connected with a wire outlet connector 108, the outer wall of the wire outlet connector 108 is fixedly connected with a sealing ring 303, the wire outlet connector 108 is inserted with the outer wall of the cabinet body 1 through the sealing ring 303, the sealing ring 303 is used for sealing the sealing bin 101 and the wire outlet connector 108 by extruding the wire outlet connector 108, and the inside of the isolation bin 201 is provided with a bolt 202;

[0040] The outer wall of the latch 202 is in sliding connection with the inner wall of the isolation bin 201. The outer wall of the guide rod 103 is provided with a second slot 207 close to the outer wall of one side of the sealing bin 101. The bottom of the latch 202 is fixedly connected with a support plate 203. The outer wall of the support plate 203 is in sliding connection with the inner wall of the isolation bin 201 through a sealing ring. The top of the support plate 203 is fixedly connected with an extension rod 205. The end of the extension rod 205 away from the support plate 203 is fixedly connected with the inner wall of the isolation bin 201. The inclined surface of the slot wall of the second slot 207 is used for guiding the latch 202. The slot wall of the second slot 207 is provided with a guide groove 208. The inner wall of the latch 202 is rotatably connected with a guide wheel 204 through a rotating shaft. The latch 202 is inserted with the guide wheel 204, so that the outer wall of the guide wheel 204 is in contact with the slot wall of the guide groove 208 and rolls along the slot wall of the guide groove 208 through friction. The guide wheel 204 is used for reducing the friction between the latch 202 and the second slot 207. The inner part of the isolation bin 201 is fixedly connected with a limiting plate 206. The limiting plate 206 is used for limiting and supporting the bottom of the support plate 203. The isolation bin 201 drives the support plate 203 to slide along the inner wall of the isolation bin 201 through the environment-friendly gas filled in the sealing bin 101, so that the latch 202 is inserted into the second slot 207. When the environment-friendly gas sealing cavity structure for the smart energy-saving ring network cabinet is put into use, the sealing strip 107 is installed in the assembly groove 111 provided at the bottom of the sealing bin 101, and then the guide rod 103 is inserted into the first slot 105 provided in the inner wall of the sealing bin 101, so that the sealing bin 101 is installed through the guide of the guide rod 103, and the outlet connector 108 is inserted into the cabinet 1. After the installation of the sealing bin 101 is completed, the inner part of the sealing bin 101 is inflated through the environment-friendly gas source arranged in the cabinet 1, so as to increase the pressure of the environment-friendly gas in the sealing bin 101. In the process of inflation, the environment-friendly gas enters the isolation bin 201, so as to increase the gas pressure in the isolation bin 201, drive the support plate 203 to extrude the extension rod 205 and slide upwards along the inner wall of the isolation bin 201, drive the latch 202 to extend out of the inner wall of the isolation bin 201 and be inserted into the second slot 207, make the top inclined surface of the latch 202 contact with the inclined surface of the slot wall of the second slot 207, and at the same time, the inclined surface of the slot wall of the second slot 207 guides the latch 202 and makes the latch 202 slide along the inclined surface of the slot wall of the second slot 207. At the same time, the latch 202 drives the guide wheel 204 to enter the guide groove 208 and be in contact with the slot wall of the guide groove 208. Through the sliding of the top of the latch 202 along the slot wall of the second slot 207, the guide wheel 204 rolls along the slot wall of the guide groove 208 through the friction generated by the guide wheel 204 and the slot wall of the guide groove 208. The guide wheel 204 supports the latch 202 through the rolling of the guide wheel 204 in the guide groove 208, reduces the wear of the top of the latch 202 and the inclined surface of the slot wall of the second slot 207, and supports the latch 202 through the limiting block one 106 in the limiting groove one 104 after the insertion of the latch 202 and the second slot 207, so as to prevent the support of the latch 202 to the guide rod 103 from causing the deformation of the guide rod 103. In the process of sliding of the top of the latch 202 along the inclined surface of the slot wall of the second slot 207,The latch 202 is guided through the slot two 207, so that the latch 202 drives the sealing bin 101 to slide on the outer wall of the cabinet 1, and the sealing strip 107 is extruded, the sealing property of the sealing strip 107 to the inside of the sealing bin 101 is increased, and the sealing bin 101 is fixed with the cabinet 1 through bolts after installation,

[0041] The valve body 109 is fixedly connected to the inner wall of the isolation bin 201, the valve body 109 is communicated with the inside of the sealing bin 101, and the valve body 109 is used for filling the environment-friendly gas into the isolation bin 201, the valve body 109 is a one-way valve, and the valve body 109 is used for isolating the gas in the isolation bin 201 from the gas in the sealing bin 101, the manual valve 110 is threadedly connected to the inner wall of the sealing bin 101, the manual valve 110 is communicated with the inside of the isolation bin 201, and the manual valve 110 is used for manually relieving the pressure in the isolation bin 201, after the environment-friendly gas enters the inside of the isolation bin 201 through the valve body 109, the isolation bin 201 and the sealing bin 101 are isolated through the valve body 109, so that the pressure in the isolation bin 201 remains when the sealing bin 101 leaks, and the leakage point is prevented from being increased, when the environment-friendly gas sealing cavity structure of the intelligent energy-saving ring network cabinet needs to be maintained, the isolation bin 201 is relieved by the sealing bin 101, so that the inside of the isolation bin 201 is consistent with the atmospheric pressure, and the supporting plate one 203 is supported on the inner wall of the isolation bin 201 through the telescopic rod 205 and slides, drives the latch 202 to retract into the isolation bin 201, and the bottom of the supporting plate one 203 is in contact with the top of the limiting plate 206, so that the supporting plate one 203 is limited.

[0042] In the embodiment two, based on the embodiment one, please refer to Figures 9-11 The application provides a technical scheme:

[0043] In a long-time running process of the ring network cabinet environment-friendly gas sealing cavity, the sealing ring at a cavity wiring position can be oxidized, so that the physical property of the sealing ring is changed after oxidation, and the sealing effect is reduced, therefore, the top block 304 is arranged at the outgoing line joint 108 to perform secondary sealing, the leakage of the sealing ring 303 is prevented, the sealing effect is reduced, and the damaged sealing part of the environment-friendly gas in the sealing cavity is prevented from leaking outward;

[0044] The inner wall of the sealing bin 101 is fixedly connected with a guide plate 301, the inner wall of the guide plate 301 is fixedly connected with a limiting block two 302, the inner wall of the sealing bin 101 is inserted with a top block 304, the inner wall of the top block 304 is slidably connected with the outer wall of the outlet connector 108, the outer wall of the top block 304 is a conical surface, which is used for cooperating with the inner wall of the sealing bin 101 to further seal the outlet connector 108, the outer wall of the top block 304 is fixedly connected with a support plate two 305, the outer wall of the support plate two 305 is slidably connected with the inner wall of the guide plate 301 through a sealing ring, the limiting block two 302 is used for limiting the support plate two 305, the support plate two 305 is extruded to the top block 304 through inflation of the inside of the sealing bin 101, which is used for increasing the sealing property, the guide plate 301 is used for guiding the support plate two 305, after the outlet connector 108 is inserted with the inner wall of the cabinet 1, the outlet connector 108 is extruded to the sealing ring 303 through the sealing bin 101, so that the sealing ring 303 seals the sealing bin 101 in the gap between the cabinet 1 and the sealing bin 101, in the process of inflation of the environmental protection gas, the support plate two 305 extrudes the top block 304 to generate pressure, drives the top block 304 to slide on the outer wall of the outlet connector 108, and is inserted with the inner wall of the sealing bin 101, at the same time, the support plate two 305 extrudes the top block 304 through the pressure of the environmental protection gas in the inside of the sealing bin 101, so that the inclined surface of the outer wall of the top block 304 further seals the inside of the sealing bin 101, when the sealing ring 303 leaks, the support plate two 305 is detected through the sensor arranged in the inside of the sealing bin 101, in the leakage process, the support plate two 305 further extrudes the top block 304 through the pressure of the environmental protection gas in the inside of the sealing bin 101, temporarily increases the sealing property of the top block 304 to the inside of the sealing bin 101, at the same time, the support plate two 305 slides on the inner wall of the sealing bin 101 to generate displacement, which is detected by the sensor arranged in the inside of the sealing bin 101 and sends out an alarm, preventing the support plate two 305 from extruding the top block 304 to cause sealing failure.

[0045] In example three, based on example one and example two, please refer to Figures 12-13 The present application provides a technical scheme:

[0046] The sealing bin 101 may cause uneven extrusion force to the sealing strip 107 during installation, resulting in leakage, therefore, the limiting groove two 403 is arranged to cooperate with the roller 404 to guide the sealing bin 101 during installation, and to support the sealing bin 101 after installation is completed, so that the sealing bin 101 uniformly extrudes the sealing strip 107;

[0047] The outer wall of the cabinet body 1 is fixedly connected with a guide rail 401, a limiting groove two 403 is formed in the outer wall of the guide rail 401, an inflation port 402 is formed in the surface of the guide rail 401, the inner wall of the sealing bin 101 is rotatably connected with a plurality of rollers 404 through rotating shafts, the outer wall of the roller 404 is inserted into the groove wall of the limiting groove two 403 and rolls along the groove wall of the limiting groove two 403 through friction, the roller 404 guides and limits the sealing bin 101 through the limiting groove two 403, the number of the rollers 404 is four, the two rollers 404 located at the right side of the bottom of the sealing bin 101 are symmetrically arranged on the inner wall of the sealing bin 101 with the two rollers 404 located at the left side of the bottom of the sealing bin 101 as the symmetric axis, the outer wall of the guide rail 401 is inserted into the bottom of the sealing bin 101, the outer wall of the guide rail 401 is in contact with the outer wall of the sealing strip 107 and extrudes the sealing strip 107, so as to increase the sealing property of the sealing strip 107 to the sealing bin 101, the inflation port 402 penetrates through the guide rail 401 and communicates with the inside of the cabinet body 1, so as to input the environment-friendly gas into the inside of the sealing bin 101, during the installation process of the sealing bin 101, the roller 404 is inserted into the limiting groove two 403, the roller 404 is guided through the limiting groove two 403 and rolls along the groove wall of the limiting groove two 403, so that the guide rail 401 guides and limits the roller 404 through the limiting groove two 403 formed in the outer wall, and limits the sealing bin 101 through the roller 404, so that the sealing bin 101 is attached to the outer wall of the cabinet body 1, the sealing property of the sealing strip 107 to the inside of the sealing bin 101 is increased, meanwhile, the outer wall of the guide rail 401 is in contact with the inner wall of the sealing strip 107 and is inserted into the bottom of the sealing bin 101, after the installation of the sealing bin 101 is completed, the inflation port 402 communicates with the inside of the cabinet body 1, so that the environment-friendly gas source arranged in the cabinet body 1 pressurizes the inside of the sealing bin 101, and the pressure is maintained through the one-way valve arranged in the inflation port 402, during the pressurizing process of the sealing bin 101, the bolt 202 is inserted into the slot two 207 through the support plate one 203, so that the bolt 202 guides the isolation bin 201 through the slot two 207 to adjust, and extrudes the sealing strip 107 at the same time, so that the guide rail 401 extrudes the sealing strip 107, and the sealing property of the sealing strip 107 to the sealing bin 101 and the cabinet body 1 is increased.

[0048] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly gas sealed cavity structure for a smart energy-saving ring main unit, comprising a cabinet (1), the outer wall of the cabinet (1) is fixedly connected with a sealing bin (101) through bolts, and the inner wall of the sealing bin (101) is fixedly connected with a bus joint (102), characterized in that, The outer wall of the cabinet (1) is fixedly connected with a guide rod (103), and the inner wall of the sealing bin (101) is provided with an isolation bin (201); The outer wall of the bolt (202) is slidably connected with the inner wall of the isolation bin (201), the outer wall of the guide rod (103) is provided with a second insertion slot (207) close to the sealing bin (101), the bottom of the bolt (202) is fixedly connected with a first supporting plate (203), the outer wall of the first supporting plate (203) is slidably connected with the inner wall of the isolation bin (201) through a sealing ring, the top of the first supporting plate (203) is fixedly connected with an extension rod (205), the extension rod (205) is fixedly connected with the inner wall of the isolation bin (201) away from the first supporting plate (203), and the inclined surface of the second insertion slot (207) is used for guiding the bolt (202); The inner wall of the bolt (202) is rotatably connected with a guide wheel (204) through a rotating shaft, the bolt (202) is inserted into the guide wheel (204), the outer wall of the guide wheel (204) is in contact with the groove wall of the guide groove (208), and the guide wheel (204) rolls along the groove wall of the guide groove (208) through friction, and the guide wheel (204) is used for reducing the friction between the bolt (202) and the second insertion slot (207); The bottom of the sealing bin (101) is provided with an assembly groove (111), the groove wall of the assembly groove (111) is fixedly connected with a sealing strip (107), the outer wall of the sealing strip (107) is in contact with the outer wall of the cabinet (1), and the inside of the sealing bin (101) is sealed by extruding the sealing strip (107).

2. The environment-friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 1, characterized in that: The inner wall of the isolation bin (201) is fixedly connected with a valve body (109), the valve body (109) is in communication with the inside of the sealing bin (101), and is used for filling the environment-friendly gas into the isolation bin (201), the valve body (109) is a one-way valve, which is used for isolating the gas in the isolation bin (201) from the gas in the sealing bin (101), the inner wall of the sealing bin (101) is threadedly connected with a manual valve (110), the manual valve (110) is in communication with the inside of the isolation bin (201), and is used for manually relieving the pressure in the isolation bin (201), the inside of the isolation bin (201) is fixedly connected with a limiting plate (206), the limiting plate (206) is used for limiting and supporting the bottom of the first supporting plate (203), and the environment-friendly gas filled into the sealing bin (101) drives the first supporting plate (203) to slide on the inner wall of the isolation bin (201), so that the bolt (202) is inserted into the second insertion slot (207).

3. The environment-friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 1, characterized in that: The inner wall of the sealing bin (101) is provided with a slot one (105), the slot wall of the slot one (105) is fixedly connected with a limiting block one (106), the outer wall of the guide rod (103) is provided with a limiting groove one (104), the outer wall of the guide rod (103) is inserted with the slot wall of the slot one (105), the guide rod (103) is used for guiding and limiting the sealing bin (101) through the slot one (105), the outer wall of the limiting block one (106) is inserted with the slot wall of the limiting groove one (104), and the limiting block one (106) supports and limits the sealing bin (101) through the limiting groove one (104).

4. The environment-friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 1, characterized in that: The inner wall of the sealing bin (101) is fixedly connected with a wire outlet connector (108), the outer wall of the wire outlet connector (108) is fixedly connected with a sealing ring (303), and the wire outlet connector (108) is inserted with the outer wall of the cabinet body (1) through the sealing ring (303), so that the sealing bin (101) and the wire outlet connector (108) are sealed.

5. The environmentally friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 4, characterized in that: The inner wall of the sealing bin (101) is fixedly connected with a guide plate (301), the inner wall of the guide plate (301) is fixedly connected with a limiting block two (302), the inner wall of the sealing bin (101) is inserted with a top block (304), the outer wall of the top block (304) is slidably connected with the outer wall of the wire outlet connector (108), and the outer wall of the top block (304) is a conical surface, which is used for cooperating with the inner wall of the sealing bin (101) to further seal the wire outlet connector (108).

6. The environmentally friendly gas sealed cavity structure for a smart energy-saving ring main unit according to claim 5, characterized in that: The outer wall of the top block (304) is fixedly connected with a supporting plate two (305), the outer wall of the supporting plate two (305) is slidably connected with the inner wall of the guide plate (301) through a sealing ring, the limiting block two (302) is used for limiting the supporting plate two (305), the supporting plate two (305) is extruded by the inflation of the sealing bin (101) to increase the sealing property, and the guide plate (301) is used for guiding the supporting plate two (305).

7. The environment-friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 1, characterized in that: The outer wall of the cabinet body (1) is fixedly connected with a guide rail (401), the outer wall of the guide rail (401) is provided with a limiting groove two (403), the surface of the guide rail (401) is provided with an inflation port (402), the inner wall of the sealing bin (101) is rotatably connected with a roller (404) through a rotating shaft, the outer wall of the roller (404) is inserted with the slot wall of the limiting groove two (403) and rolls along the slot wall of the limiting groove two (403) through friction, the roller (404) guides and limits the sealing bin (101) through the limiting groove two (403), and the number of the rollers (404) is four groups.

8. The environmentally friendly gas sealed cavity structure for the intelligent energy-saving ring main unit according to claim 7, characterized in that: The outer wall of the guide rail (401) is inserted with the bottom of the sealed bin (101), the outer wall of the guide rail (401) is in contact with the outer wall of the sealing strip (107), and the sealing strip (107) is extruded, so as to increase the sealing performance of the sealing strip (107) to the sealed bin (101), and the inflation port (402) penetrates the guide rail (401) and is in communication with the inside of the cabinet body (1), so as to input the environment-friendly gas into the inside of the sealed bin (101).

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