An isolating gas-filled switch cabinet with convenient partitioning

By using the air outlet and intake components of vacuum pumps and one-way valves in the inflatable switch cabinet, the problem of inconvenient gas management during maintenance of the inflatable switch cabinet is solved, and the maintenance safety and convenience are improved through the design of automatic inflation and safe opening of the cabinet door.

CN117559278BActive Publication Date: 2025-03-28SHENZHEN RONGDIAN IND CO LTD
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Patent Information

Application Number
CN202311539645.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-18
Publication Date
2025-03-28
Estimated Expiration
2043-11-18

AI Technical Summary

Technical Problem

The inflatable switch cabinet needs to be discharged and refilled in gas during maintenance, which leads to inconvenient maintenance and is prone to voltage breakdown or arc conduction during power outage, affecting safety.

Method used

A convenient partition isolation and inflatable switch cabinet is designed, and an air outlet assembly consisting of a vacuum pump and a one-way valve can compress and store the SF6 gas inside the cabinet body, and automatically inflatrate and safely open the cabinet door through the intake assembly and unlocking assembly.

Benefits of technology

Reuse of SF6 gas is achieved, preventing leakage at power outages, avoiding the impact of wire bending on power outages, preventing the risk of accidentally touching the cabinet door and the cabinet door popping up suddenly, and improving maintenance safety and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to an isolating gas-filled switch cabinet with convenient partitioning, comprising a cabinet body and a gas outlet assembly, a cabinet door is installed on the front right side of the cabinet body, the gas outlet assembly is installed through the right side of the lower wall of the cabinet body, and a first solenoid valve is installed through the left side of the lower wall of the cabinet body, a lower sealing box is installed at the lower end of the cabinet body, and a connecting assembly is installed inside the lower sealing box, the gas outlet assembly comprises a first vacuum pump and a one-way valve, and the gas outlet end of the first vacuum pump is installed with a one-way valve, the auxiliary fixing assembly comprises a fixing ring and a support rod, and the lower end of the fixing ring is connected with a support rod. The beneficial effects of the present invention are: the isolating gas-filled switch cabinet with convenient partitioning can reuse SF gas, and also prevent leakage at the power-off position, the device can prevent the guide bending from affecting the power-off, the device can prevent others from accidentally touching and opening the cabinet door, and the device can prevent the cabinet door from suddenly bouncing open and injuring people.
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Description

Technical Field

[0001] The invention relates to the technical field of gas-filled switch cabinets, and in particular to an isolating gas-filled switch cabinet with convenient partitioning. Background Art

[0002] Metal-enclosed switchgear that uses gas in whole or in part as the insulating medium instead of air at atmospheric pressure is also called a gas-filled cabinet. A gas-filled cabinet is also called a fully insulated gas-filled ring network switchgear or a gas-filled switchgear. The gas-filled cabinet is a new generation of switchgear. The main switch can use either a permanent magnetic mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker. The entire cabinet uses a combination of air insulation and sulfur hexafluoride gas compartments, which is both compact and expandable, and is suitable for distribution automation.

[0003] When the gas-filled switch cabinet is repaired, the gas inside the equipment must be discharged before repair can be carried out. After the repair is completed, the gas needs to be refilled, so the maintenance personnel are required to carry a ventilation device, which brings inconvenience to the maintenance.

[0004] Therefore, it is necessary to design an isolating gas-filled switch cabinet with convenient isolation to address the above problems. Summary of the invention

[0005] The object of the present invention is to provide an isolating gas-filled switch cabinet with convenient isolation to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an isolating and pneumatic switch cabinet with convenient partitioning, comprising a cabinet body and an air outlet assembly, a cabinet door is installed on the front right side of the cabinet body, the air outlet assembly is installed through the right side of the lower wall of the cabinet body, and a first solenoid valve is installed through the left side of the lower wall of the cabinet body, a lower sealing box is installed at the lower end of the cabinet body, and a connecting assembly is installed inside the lower sealing box, the air outlet assembly comprises a first vacuum pump and a one-way valve, and a one-way valve is installed at the air outlet end of the first vacuum pump.

[0007] Furthermore, the connecting assembly includes a first electrode, a first electromagnet, a first fixed plate, a first lead tube, a second electrode, a second lead tube, a first spring, a second electromagnet, a telescopic rod, a second fixed plate and a wire, and the first electromagnet is installed on the front and rear sides of the first electrode, the first fixed plate is installed on the right side of the first electromagnet, the first lead tube is installed on the right side of the first electrode, and the second electrode is arranged on the left side of the first electrode, the second lead tube is connected to the left side of the second electrode, and the first spring is installed on the outside of the second lead tube, the second electromagnet is installed on the front and rear sides of the second electrode, and the telescopic rod is installed on the left side of the second electromagnet, the second fixed plate is connected to the left side of the telescopic rod, the wire is installed inside the second lead tube, and the auxiliary fixing assembly is arranged outside the wire.

[0008] Furthermore, the auxiliary fixing assembly includes a fixing ring and a support rod, and the lower end of the fixing ring is connected to the support rod.

[0009] Furthermore, a branching assembly is installed at the lower end of the lower sealing box, locking assemblies are installed on the upper and lower sides of the inner left wall of the cabinet, and an air intake assembly is installed on the upper wall of the cabinet, an unlocking assembly is installed at the front end of the cabinet door, a door stop assembly is installed through the left wall of the cabinet, and a buffer assembly is installed at the rear end of the door stop assembly, and a mounting plate is installed on the inner rear wall of the cabinet.

[0010] Furthermore, the line branching assembly includes a second spring, a movable plate, a line branching rod, a roller, a first guide rod and a side plate, and the front and rear sides of the second spring are connected to the movable plate, the upper end of the movable plate is connected to the line branching rod, and the lower end of the movable plate is equipped with a roller, the interior of the movable plate is penetrated by the first guide rod, and the front and rear ends of the first guide rod are connected to the side plates.

[0011] Furthermore, the locking assembly includes a locking rod, a guide buckle, a connecting plate, a third spring, a second guide rod, a rear fixed frame and a connecting rod, and the outside of the locking rod is connected to the guide buckle, the left side of the locking rod is connected to the connecting plate, and the middle of the right side of the connecting plate is connected to the third spring, the right side of the connecting plate is connected to the second guide rod, and the outside of the second guide rod is connected to the rear fixed frame, and the left side of the guide buckle is connected to the connecting rod.

[0012] Furthermore, the unlocking assembly includes a pneumatic box, a fixed sealing plate, an unlocking guide rod, a movable sealing plate and a lock buckle, and a fixed sealing plate is arranged inside the pneumatic box, an unlocking guide rod is arranged inside the fixed sealing plate, and the left side of the unlocking guide rod is connected to the movable sealing plate, and the right end of the pneumatic box is connected to the lock buckle.

[0013] Furthermore, the air intake assembly includes a second vacuum pump and a second solenoid valve, and the air outlet end of the second vacuum pump is connected to the second solenoid valve.

[0014] Furthermore, the door baffle assembly includes a through pipe, a piston plate, a traction rod, a linkage plate, an air cavity, a fourth spring, an extrusion rod, a push rod, a telescopic column, a rotating frame, a positioning frame and a hook plate, and a piston plate is arranged inside the through pipe, a traction rod is connected to the right side of the piston plate, and a linkage plate is connected to the right side of the traction rod, an air cavity is arranged at the rear end of the through pipe, and a fourth spring is installed inside the air cavity, an extrusion rod is connected to the right side of the fourth spring, a push rod is connected to the left side of the piston plate, and a telescopic column is connected to the left end of the push rod, a rotating frame is connected to the outside of the telescopic column, and the upper and lower ends of the rotating frame are connected to the positioning frame, and a hook plate is connected to the front end of the rotating frame.

[0015] Furthermore, the buffer assembly includes a pipeline, a support plate, a fifth spring, a piston, an auxiliary sealing plate and an air hole, and the support plate is installed inside the pipeline, the rear end of the support plate is connected to the fifth spring, and the rear end of the fifth spring is connected to the piston, the outside of the piston is connected to the auxiliary sealing plate, and air holes are opened around the auxiliary sealing plate.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the device can reuse SF gas, and at the same time prevent leakage at the power-off point, the device can prevent the guide bending from affecting the power-off, the device can prevent others from accidentally touching and opening the cabinet door, and the device can prevent the cabinet door from suddenly bouncing open and injuring people.

[0017] 1. When maintenance is required, the present invention compresses the SF gas inside the cabinet and fills it into the lower sealed box through the first vacuum pump, so that the SF gas inside the equipment can be directly extracted and stored, and the maintenance personnel do not need to bring their own extraction and ventilation devices. At the same time, the SF gas is filled into the lower sealed box, which can have a strong insulation effect on the connection components, so that the connection components will not have voltage breakdown of the air connection or arc conduction when the power is off, thereby better ensuring the safety of the maintenance personnel.

[0018] 2. When the power is cut off, the movable plate of the present invention forms an elastic telescopic structure between the second spring and the first guide rod and the side plate. The elastic telescopic structure pushes the movable plate to the front and rear sides, so that the branching rod pulls the wires apart, which can have a certain separation effect on the first electrode and the second electrode. At the same time, it can also prevent the wires from bending when the first electrode and the second electrode are separated, which will hinder the separation of the first electrode and the second electrode.

[0019] 3. When the cabinet door needs to be opened, the air intake assembly needs to be used to inflate the interior of the device to supplement the pressure. When the pressure inside the device reaches a certain level, the movable sealing plate will be pushed, and each person will make the unlocking guide rod push the locking rod to open the device, so that the device can only be opened by internal opening, which can prevent others from accidentally opening it.

[0020] 4. In the present invention, when the internal part of the equipment is pressurized, the high pressure will also push the piston plate, so that the piston plate drives the rotating frame to rotate, and the rotating frame rotates to a position where the hook plate can block the opening of the cabinet door. When the cabinet door is opened, the hook plate can play a certain shielding function, thereby preventing the cabinet door from opening suddenly and impacting people around. After the cabinet door is opened, the piston plate is reset by relying on the elastic telescopic structure formed by the extrusion rod through the fourth spring and the air cavity, which is convenient for maintenance personnel to open all the cabinet doors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view structural schematic diagram of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0022] Figure 2 It is a schematic diagram of a partial upward three-dimensional structure of an air outlet component of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0023] Figure 3 It is a schematic diagram of a partial top view of the three-dimensional structure of an air outlet component of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection components of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of a lock assembly of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of an unlocking component of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0027] Figure 7 This is a schematic diagram of a top view of the structure of a door-blocking assembly of an isolating gas-filled switch cabinet with convenient partitioning according to the present invention;

[0028] Figure 8 The present invention is a conveniently partitioned isolation gas-filled switch cabinet Figure 7 Enlarged structural diagram at A in the middle.

[0029] In the figure: 1, cabinet; 2, cabinet door; 3, air outlet assembly; 301, first vacuum pump; 302, one-way valve; 4, first solenoid valve; 5, lower sealing box; 6, connecting assembly; 601, first electrode; 602, first electromagnet; 603, first fixing plate; 604, first lead tube; 605, second electrode; 606, second lead tube; 607, first spring; 608, second electromagnet; 609, telescopic rod ; 610, second fixing plate; 611, wire; 7, auxiliary fixing assembly; 701, fixing ring; 702, support rod; 8, branching assembly; 801, second spring; 802, moving plate; 803, branching rod; 804, roller; 805, first guide rod; 806, side plate; 9, locking assembly; 901, locking rod; 902, guide buckle; 903, connecting plate; 904, third spring; 905, second guide rod ; 906, rear fixed frame; 907, connecting rod; 10, unlocking assembly; 1001, air pressure box; 1002, fixed sealing plate; 1003, unlocking guide rod; 1004, movable sealing plate; 1005, lock buckle; 11, air intake assembly; 1101, second vacuum pump; 1102, second solenoid valve; 12, door stop assembly; 1201, through pipe; 1202, piston plate; 1203, traction rod; 120 4. Linkage plate; 1205. Air cavity; 1206. Fourth spring; 1207. Extrusion rod; 1208. Push rod; 1209. Telescopic column; 1210. Rotating frame; 1211. Positioning frame; 1212. Hook plate; 13. Buffer assembly; 1301. Pipe; 1302. Support plate; 1303. Fifth spring; 1304. Piston; 1305. Auxiliary sealing plate; 1306. Air hole; 14. Mounting plate. DETAILED DESCRIPTION

[0030] like Figures 1 to 3 As shown, the present invention provides a technical solution: an isolating gas-filled switch cabinet with convenient partitioning, comprising a cabinet body 1 and an air outlet component 3, a cabinet door 2 is installed on the front right side of the cabinet body 1, the air outlet component 3 is installed through the right side of the lower wall of the cabinet body 1, and a first solenoid valve 4 is installed through the left side of the lower wall of the cabinet body 1, a lower sealing box 5 is installed at the lower end of the cabinet body 1, and a connecting component 6 is installed inside the lower sealing box 5, the air outlet component 3 comprises a first vacuum pump 301 and a one-way valve 302, and the air outlet end of the first vacuum pump 301 is installed with a one-way valve 302;

[0031] The specific operation is as follows. When maintenance is needed, the SF6 gas inside the cabinet 1 is compressed and filled into the lower sealed box 5 through the first vacuum pump 301, so that the SF6 gas inside the equipment can be directly extracted and stored, and the maintenance personnel do not need to bring their own ventilation equipment. At the same time, the SF6 gas is filled into the lower sealed box 5, which can have a strong insulation effect on the connection component 6, so that the connection component 6 will not have voltage breakdown of the air connection or arc conduction when the power is off, thereby better ensuring the safety of the maintenance personnel. The first solenoid valve 4 is opened to allow the SF6 gas inside the lower sealed box 5 to be re-filled into the cabinet 1 for use, and the one-way valve 302 can prevent gas backflow.

[0032] like Figure 4 As shown, the connecting assembly 6 includes a first electrode 601, a first electromagnet 602, a first fixing plate 603, a first lead tube 604, a second electrode 605, a second lead tube 606, a first spring 607, a second electromagnet 608, a telescopic rod 609, a second fixing plate 610 and a wire 611, and the first electromagnet 602 is installed on both sides of the front and rear of the first electrode 601, the first fixing plate 603 is installed on the right side of the first electromagnet 602, and the first lead tube 604 is installed on the right side of the first electrode 601, and A second electrode 605 is provided on the left side of the first electrode 601, a second lead tube 606 is connected to the left side of the second electrode 605, and a first spring 607 is installed outside the second lead tube 606, a second electromagnet 608 is installed on the front and rear sides of the second electrode 605, and a telescopic rod 609 is installed on the left side of the second electromagnet 608, a second fixing plate 610 is connected to the left side of the telescopic rod 609, a wire 611 is installed inside the second lead tube 606, and an auxiliary fixing component 7 is provided outside the wire 611;

[0033] The first electromagnet 602 and the second electromagnet 608 are powered off, and the second electrode 605 is separated from the first electrode 601 by the elastic telescopic structure formed by the second lead tube 606, the first spring 607 and the second fixed plate 610, so as to power off the device. At the same time, the telescopic rod 609 can support and guide the second electromagnet 608.

[0034] like Figure 4 As shown, the auxiliary fixing assembly 7 includes a fixing ring 701 and a support rod 702, and the lower end of the fixing ring 701 is connected to the support rod 702;

[0035] The support rod 702 can support the fixing ring 701 , and the fixing ring 701 can provide auxiliary support for the wire 611 .

[0036] like Figure 1 and Figures 4 to 8As shown, a branching assembly 8 is installed at the lower end of the lower sealed box 5, a lock assembly 9 is installed at the upper and lower sides of the left wall of the cabinet 1, and an air intake assembly 11 is installed on the upper wall of the cabinet 1, an unlocking assembly 10 is installed at the front end of the cabinet door 2, a door stop assembly 12 is installed through the left wall of the cabinet 1, and a buffer assembly 13 is installed at the rear end of the door stop assembly 12, and a mounting plate 14 is installed on the inner rear wall of the cabinet 1;

[0037] When the cabinet door 2 needs to be opened, the air intake assembly 11 needs to be used to inflate the interior of the device to replenish the pressure. When the pressure inside the device reaches a certain level, the movable sealing plate 1004 will be pushed, and each person will use the unlocking guide rod 1003 to push the locking rod 901 to open the device. The device can only be opened from the inside, which can prevent others from accidentally opening it.

[0038] like Figure 4 As shown, the line splitting assembly 8 includes a second spring 801, a moving plate 802, a line splitting rod 803, a roller 804, a first guide rod 805 and a side plate 806, and the front and rear sides of the second spring 801 are connected to the moving plate 802, the upper end of the moving plate 802 is connected to the line splitting rod 803, and the lower end of the moving plate 802 is installed with a roller 804, the interior of the moving plate 802 is penetrated by the first guide rod 805, and the front and rear ends of the first guide rod 805 are connected to the side plates 806;

[0039] When the power is cut off, the movable plate 802 forms an elastic telescopic structure with the second spring 801 and the first guide rod 805 and the side plate 806. The elastic telescopic structure pushes the movable plate 802 to the front and rear sides, so that the dividing rod 803 pulls the wire 611 apart, which can have a certain separation effect on the first electrode 601 and the second electrode 605. At the same time, it can also prevent the wire 611 from bending when the first electrode 601 and the second electrode 605 are separated, thereby preventing the separation of the first electrode 601 and the second electrode 605.

[0040] like Figure 5 As shown, the lock assembly 9 includes a lock rod 901, a guide buckle 902, a connecting plate 903, a third spring 904, a second guide rod 905, a rear fixing frame 906 and a connecting rod 907, and the guide buckle 902 is connected to the outside of the lock rod 901, the connecting plate 903 is connected to the left side of the lock rod 901, and the third spring 904 is connected to the middle of the right side of the connecting plate 903, the second guide rod 905 is connected to the right side of the connecting plate 903, and the rear fixing frame 906 is connected to the outside of the second guide rod 905, and the connecting rod 907 is connected to the left side of the guide buckle 902;

[0041] By relying on the elastic telescopic structure drawn between the locking rod 901 through the third spring 904 and the second guide rod 905 and the rear fixing frame 906, the locking rod 901 can be reinserted into the lock buckle 1005 to achieve locking. The guide buckle 902 can support and guide the movement of the locking rod 901.

[0042] like Figure 6 As shown, the unlocking assembly 10 includes a pneumatic box 1001, a fixed sealing plate 1002, an unlocking guide rod 1003, a movable sealing plate 1004 and a locking buckle 1005, and the fixed sealing plate 1002 is arranged inside the pneumatic box 1001, the unlocking guide rod 1003 is arranged inside the fixed sealing plate 1002, and the movable sealing plate 1004 is connected to the left side of the unlocking guide rod 1003, and the locking buckle 1005 is connected to the right end of the pneumatic box 1001;

[0043] When the pressure inside the device reaches a certain level, it will push the movable sealing plate 1004, so that the unlocking guide rod 1003 pushes the locking rod 901, and the contact point between the unlocking guide rod 1003 and the locking rod 901 moves to the contact point between the guide buckle 902 and the lock buckle 1005, and then rely on air pressure to push the cabinet door 2 open. The fixed sealing plate 1002 and the movable sealing plate 1004 can form an enclosed space inside the air pressure box 1001. The principle of the movable sealing plate 1004 being able to move is to keep the pressure of this enclosed space consistent with the internal pressure of the device. In order to maintain consistency, the movable sealing plate 1004 moves.

[0044] like Figure 1 As shown, the air intake assembly 11 includes a second vacuum pump 1101 and a second solenoid valve 1102, and the air outlet end of the second vacuum pump 1101 is connected to the second solenoid valve 1102;

[0045] Turn on the second vacuum pump 1101 and replenish the air pressure inside the equipment through the second solenoid valve 1102.

[0046] like Figure 7As shown, the door blocking assembly 12 includes a through pipe 1201, a piston plate 1202, a traction rod 1203, a linkage plate 1204, an air chamber 1205, a fourth spring 1206, an extrusion rod 1207, a push rod 1208, a telescopic column 1209, a rotating frame 1210, a positioning frame 1211 and a hook plate 1212, and the piston plate 1202 is arranged inside the through pipe 1201, the traction rod 1203 is connected to the right side of the piston plate 1202, and the linkage plate 1204 is connected to the right side of the traction rod 1203, and the through pipe 1201 is provided with a piston plate 1202, and the traction rod 1203 is connected to the linkage plate 1204. The rear end of the tube 1201 is provided with an air cavity 1205, and a fourth spring 1206 is installed inside the air cavity 1205, and an extrusion rod 1207 is connected to the right side of the fourth spring 1206, and a push rod 1208 is connected to the left side of the piston plate 1202, and a telescopic column 1209 is connected to the left end of the push rod 1208, and a rotating frame 1210 is connected to the outside of the telescopic column 1209, and the upper and lower ends of the rotating frame 1210 are connected to positioning frames 1211, and the front end of the rotating frame 1210 is connected to a hook plate 1212;

[0047] When the internal part of the equipment is pressurized, the high pressure will also push the piston plate 1202, so that the piston plate 1202 drives the rotating frame 1210 to rotate, and the rotating frame 1210 rotates to a position where the hook plate 1212 can block the opening of the cabinet door 2. When the cabinet door 2 is opened, the hook plate 1212 can play a certain shielding function, thereby preventing the cabinet door 2 from opening suddenly and impacting people around. After the cabinet door 2 is opened, the piston plate 1202 is reset by relying on the elastic telescopic structure formed by the extrusion rod 1207 through the fourth spring 1206 and the air cavity 1205, so that the maintenance personnel can open all the cabinet doors 2 conveniently.

[0048] like Figure 8 As shown, the buffer assembly 13 includes a pipeline 1301, a support plate 1302, a fifth spring 1303, a piston 1304, an auxiliary sealing plate 1305 and an air hole 1306, and the support plate 1302 is installed inside the pipeline 1301, the rear end of the support plate 1302 is connected to the fifth spring 1303, and the rear end of the fifth spring 1303 is connected to the piston 1304, the outside of the piston 1304 is connected to the auxiliary sealing plate 1305, and the auxiliary sealing plate 1305 is provided with air holes 1306 around it;

[0049] By relying on the elastic structure formed between the piston 1304 and the support plate 1302 through the fifth spring 1303, the piston 1304 will block the auxiliary sealing plate 1305, so that the pipeline 1301 can only slowly take in air into the air cavity 1205 through the air hole 1306.

[0050] Working principle: When the equipment needs maintenance, first the first electromagnet 602 and the second electromagnet 608 are powered off, and the second electrode 605 is separated from the first electrode 601 by the elastic telescopic structure formed between the second lead tube 606 and the first spring 607 and the second fixed plate 610, and the equipment is powered off. At the same time, the telescopic rod 609 can support and guide the second electromagnet 608. When the first electrode 601 and the second electrode 605 are separated, the movable plate 802 forms an elastic telescopic structure between the second spring 801 and the first guide rod 805 and the side plate 806, and the movable plate 802 is pushed to the front and rear sides by the elastic telescopic structure, so that the wire dividing rod 803 pulls the wires 611 apart. , to prevent the wire 611 from bending when the first electrode 601 and the second electrode 605 are separated. When the power is off, the first vacuum pump 301 is turned on, so that the gas inside the cabinet 1 is filled into the lower sealing box 5 through the one-way valve 302 for storage, and then the second vacuum pump 1101 is turned on, and the air pressure inside the equipment is supplemented through the second solenoid valve 1102. When the pressure inside the equipment reaches a certain level, it will push the movable sealing plate 1004, so that the unlocking guide rod 1003 pushes the locking rod 901, so that the contact point between the unlocking guide rod 1003 and the locking rod 901 moves to the contact point between the guide buckle 902 and the lock stop buckle 1005, and then the cabinet door 2 is pushed open by air pressure. While pressurizing the inside of the equipment, the high pressure will also push the piston plate 1202, so that The piston plate 1202 pushes the push rod 1208, so that the push rod 1208 drives one end of the telescopic column 1209 to move, so that the telescopic column 1209 drives the rotating frame 1210 to rotate on the positioning frame 1211, so that the rotating frame 1210 rotates to a position where the hook plate 1212 can block the cabinet door 2 from opening. When the cabinet door 2 is opened, the hook plate 1212 will directly block the cabinet door 2, which can prevent the cabinet door 2 from opening suddenly and impacting people around. After the cabinet door 2 is opened, the piston plate 1202 is reset by the elastic telescopic structure formed by the squeezing rod 1207 through the fourth spring 1206 and the air cavity 1205, so that the maintenance personnel can open all the cabinet doors 2. At the same time, the piston 1304 is connected to the support plate 1302 through the fifth spring 1303. The elastic structure formed between the piston 1304 blocks the auxiliary sealing plate 1305, so that the pipe 1301 can only slowly intake air into the air cavity 1205 through the air hole 1306, so that the hook plate 1212 is slowly moved open, so that the hook plate 1212 can completely leave after the cabinet door 2 is stably opened, so that the staff can open the cabinet door 2 completely. When the staff completes the maintenance, the cabinet door 2 is closed again, and the locking rod 901 is inserted into the lock buckle 1005 again by the elastic telescopic structure drawn between the third spring 904 and the second guide rod 905 and the rear fixing frame 906 to achieve locking, and then the second vacuum pump 1101 is used to evacuate the inside of the equipment again, and then the first solenoid valve 4 is opened again,The SF6 gas inside the lower sealing box 5 is refilled into the cabinet 1 for use.

Claims

1. An isolating gas-filled switch cabinet with convenient partitioning, characterized in that: The invention comprises a cabinet (1) and an air outlet assembly (3), wherein a cabinet door (2) is installed on the front right side of the cabinet (1), the air outlet assembly (3) is installed through the right side of the lower wall of the cabinet (1), and a first solenoid valve (4) is installed through the left side of the lower wall of the cabinet (1), a lower sealing box (5) is installed at the lower end of the cabinet (1), and a connecting assembly (6) is installed inside the lower sealing box (5), the air outlet assembly (3) comprises a first vacuum pump (301) and a one-way valve (302), and the first vacuum pump (301) and the one-way valve (302) are connected to the lower sealing box (5). A one-way valve (302) is installed at the outlet end of the pump (301), and the connecting assembly (6) includes a first electrode (601), a first electromagnet (602), a first fixing plate (603), a first lead tube (604), a second electrode (605), a second lead tube (606), a first spring (607), a second electromagnet (608), a telescopic rod (609), a second fixing plate (610) and a wire (611), and the first electrode (601) is installed with a first spring on both sides. The first electromagnet (602) is provided with a first fixing plate (603) on the right side of the first electromagnet (602), a first lead tube (604) is provided on the right side of the first electrode (601), a second electrode (605) is provided on the left side of the first electrode (601), a second lead tube (606) is connected to the left side of the second electrode (605), a first spring (607) is provided on the outside of the second lead tube (606), and a second electrode (605) is provided on both sides of the front and rear. A second electromagnet (608) is provided, and a telescopic rod (609) is installed on the left side of the second electromagnet (608), and a second fixing plate (610) is connected to the left side of the telescopic rod (609), a wire (611) is installed inside the second lead tube (606), and an auxiliary fixing assembly (7) is arranged outside the wire (611), and the auxiliary fixing assembly (7) includes a fixing ring (701) and a support rod (702), and the lower end of the fixing ring (701) is connected to the support rod (702).

2. The isolating gas-filled switch cabinet with convenient partitioning according to claim 1 is characterized in that: A branching assembly (8) is installed at the lower end of the lower sealed box (5), a locking assembly (9) is installed at the upper and lower sides of the left inner wall of the cabinet (1), and an air intake assembly (11) is installed on the upper wall of the cabinet (1), an unlocking assembly (10) is installed at the front end of the cabinet door (2), a door stop assembly (12) is installed through the left wall of the cabinet (1), and a buffer assembly (13) is installed at the rear end of the door stop assembly (12), and a mounting plate (14) is installed on the inner rear wall of the cabinet (1).

3. The isolating gas-filled switch cabinet with convenient partitioning according to claim 2 is characterized in that: The line splitting assembly (8) comprises a second spring (801), a movable plate (802), a line splitting rod (803), a roller (804), a first guide rod (805) and a side plate (806), wherein the front and rear sides of the second spring (801) are connected to the movable plate (802), the upper end of the movable plate (802) is connected to the line splitting rod (803), and the lower end of the movable plate (802) is provided with a roller (804), the interior of the movable plate (802) is penetrated by the first guide rod (805), and the front and rear ends of the first guide rod (805) are connected to the side plate (806).

4. The isolating gas-filled switch cabinet with convenient isolation according to claim 3 is characterized in that: The lock assembly (9) comprises a lock rod (901), a guide buckle (902), a connecting plate (903), a third spring (904), a second guide rod (905), a rear fixing frame (906) and a connecting rod (907), wherein the outer portion of the lock rod (901) is connected to the guide buckle (902), the left side of the lock rod (901) is connected to the connecting plate (903), and the middle portion of the right side of the connecting plate (903) is connected to the third spring (904), the right side of the connecting plate (903) is connected to the second guide rod (905) around, and the outer portion of the second guide rod (905) is connected to the rear fixing frame (906), and the left side of the guide buckle (902) is connected to the connecting rod (907).

5. The isolating gas-filled switch cabinet with convenient partitioning according to claim 4 is characterized in that: The unlocking assembly (10) comprises a pneumatic box (1001), a fixed sealing plate (1002), an unlocking guide rod (1003), a movable sealing plate (1004) and a locking buckle (1005), wherein the pneumatic box (1001) is provided with a fixed sealing plate (1002), the fixed sealing plate (1002) is provided with an unlocking guide rod (1003), the movable sealing plate (1004) is connected to the left side of the unlocking guide rod (1003), and the locking buckle (1005) is connected to the right end of the pneumatic box (1001).

6. The isolating gas-filled switch cabinet with convenient partitioning according to claim 5 is characterized in that: The air intake assembly (11) comprises a second vacuum pump (1101) and a second solenoid valve (1102), and the air outlet end of the second vacuum pump (1101) is connected to the second solenoid valve (1102).

7. The isolating gas-filled switch cabinet with convenient partitioning according to claim 2 is characterized in that: The door-blocking assembly (12) comprises a through pipe (1201), a piston plate (1202), a traction rod (1203), a linkage plate (1204), an air chamber (1205), a fourth spring (1206), an extrusion rod (1207), a push rod (1208), a telescopic column (1209), a rotating frame (1210), a positioning frame (1211) and a hook plate (1212), and the through pipe (1201) is provided with a piston plate (1202) inside, the right side of the piston plate (1202) is connected to the traction rod (1203), and the right side of the traction rod (1203) is connected to the linkage plate (1204), and the An air cavity (1205) is provided at the rear end of the through tube (1201), and a fourth spring (1206) is installed inside the air cavity (1205); the right side of the fourth spring (1206) is connected to an extrusion rod (1207); the left side of the piston plate (1202) is connected to a push rod (1208), and the left end of the push rod (1208) is connected to a telescopic column (1209); the outside of the telescopic column (1209) is connected to a rotating frame (1210), and the upper and lower ends of the rotating frame (1210) are connected to positioning frames (1211); the front end of the rotating frame (1210) is connected to a hook plate (1212).

8. The isolating gas-filled switch cabinet with convenient partitioning according to claim 2 is characterized in that: The buffer assembly (13) includes a pipeline (1301), a support plate (1302), a fifth spring (1303), a piston (1304), an auxiliary sealing plate (1305) and an air hole (1306), and the support plate (1302) is installed inside the pipeline (1301), the rear end of the support plate (1302) is connected to the fifth spring (1303), and the rear end of the fifth spring (1303) is connected to the piston (1304), the outside of the piston (1304) is connected to the auxiliary sealing plate (1305), and the auxiliary sealing plate (1305) is provided with air holes (1306) around it.

Citation Information

Patent Citations

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