Environment-friendly gas insulated switch cabinet

Abstract

The utility model relates to a switchgear cabinet technical field provides an environmental protection type gas insulation switch cabinet, including the cabinet body and bottom plate, one side of the cabinet body is provided with the bottom plate, the bottom plate top one side is fixed with the box, the top of box is fixed with the air inlet pipe, the inside installation of box has the delivery pump. The utility model discloses is provided with the filter structure, and the sealing ring is caught in the inside of recess, and then makes sealing ring and baffle fixed each other, and the baffle is removed baffle, and the baffle drives fixed frame to move to the inside of filter box, the bottom of sealing ring and filter box top are in contact with each other at this moment, and the baffle and filter box fixed connection are fixed with screw, under the action of sealing ring, avoid nitrogen leakage, under the action of composite filter screen, can remove the impurity and microparticle in nitrogen, ensure that the nitrogen that enters the cabinet body is pure, realized the device convenient function of filtering, thereby improved the applicability of this environmental protection type gas insulation switch cabinet when using.

Description

TECHNICAL FIELD

[0001] The utility model relates to a switch cabinet technical field especially relates to a kind of environment-friendly gas insulated switch cabinet. BACKGROUND

[0002] Switch cabinet is a kind of electrical equipment used in power system, mainly used for receiving and distributing electric energy, also plays the role of control, protection and monitoring circuit, by using gas to insulate and protect the components of power system, prevent fire accident caused by electrical overload, so an environment-friendly gas insulated switch cabinet will be used;

[0003] Therefore, the patent with publication number CN218415523U discloses an environment-friendly gas insulated ac metal-enclosed switch cabinet, which comprises a switch cabinet body, electrical elements arranged inside the switch cabinet body, and an insulation gas charging pump arranged on the left side of the switch cabinet body and connected with the inside of the switch cabinet body. An anti-leakage rubber strip is arranged at the welding position inside the switch cabinet body. The anti-leakage rubber strip is tightly attached to the welding position of the switch cabinet body by being extruded outward by the gas, thereby achieving a sealing effect. Detection airbags are arranged on the left and right sides of the switch cabinet body. The state of the detection airbags can be checked to check the content of the insulation gas inside the switch cabinet body without the need for tools, which facilitates the timely supplement of insulation gas inside the switch cabinet body, thereby maintaining the insulation protection effect of the insulation gas inside the switch cabinet body.

[0004] Although the above-mentioned environment-friendly gas insulated ac metal-enclosed switch cabinet is convenient for the timely supplement of insulation gas inside the switch cabinet body, it is not convenient to filter and remove impurities and particles in nitrogen, thereby avoiding damage to electrical equipment inside the switch cabinet or affecting the normal operation of the equipment, which reduces its applicability. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide an environment-friendly gas insulated switch cabinet to solve the defect of the existing environment-friendly gas insulated switch cabinet.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an environment-friendly gas insulated switch cabinet, comprising a cabinet body and a bottom plate.

[0007] The side of the cabinet body is provided with a bottom plate, one side of the top end of the bottom plate is fixedly provided with a box body, the top end of the box body is fixedly provided with an air inlet pipe, the inside of the box body is installed with a conveying pump, one side of the box body is fixedly provided with a filtering structure, the filtering structure comprises a filter box, a fixed frame, an exhaust pipe, a first electromagnetic valve, a composite filter screen, a connecting pipe, a second electromagnetic valve, a baffle, a groove and a sealing ring, one side of the filter box is fixedly provided with the exhaust pipe, the other side of the filter box is fixedly provided with the connecting pipe, the outside of the connecting pipe is installed with the second electromagnetic valve, the outside of the exhaust pipe is installed with the first electromagnetic valve, the inside of the filter box is provided with the fixed frame, the inside of the fixed frame is provided with the composite filter screen, the top end of the fixed frame extends to the outside of the filter box and is fixedly provided with the baffle, the outside of the bottom of the baffle is provided with the groove, and the inside of the groove is provided with the sealing ring.

[0008] One side of the inside of the cabinet body is fixedly provided with a shunt seat, and the shunt seat is uniformly fixed with a spray head on one side.

[0009] The top of the cabinet body is installed with a monitoring structure.

[0010] When the device is used, the filtering structure is arranged, the filtering function of the device is realized, and the applicability of the environment-friendly gas insulated switch cabinet during use is improved; the monitoring structure is arranged, the function of the device for real-time monitoring of gas is realized, and the convenience of the environment-friendly gas insulated switch cabinet during use is improved.

[0011] Preferably, the end of the air inlet pipe away from the box body is fixedly provided with a flange plate, and the outside of the air inlet pipe is installed with an air inlet valve.

[0012] Preferably, the end of the exhaust pipe away from the filter box extends to the inside of the cabinet body and is in communication with one side of the shunt seat, and the end of the connecting pipe away from the filter box extends to the inside of the box body and is fixedly connected with the output end of the conveying pump.

[0013] Preferably, the inside of the baffle is uniformly penetrated by fixed bolts, and the baffle is fixedly connected with the filter box through the fixed bolts. The sealing ring is sleeved in the groove, so that the sealing ring and the baffle are fixedly connected, the baffle is moved by the handle, the fixed frame is driven by the baffle to move to the inside of the filter box, and the bottom end of the sealing ring abuts against the top end of the filter box.

[0014] Preferably, the sealing ring and the baffle constitute a clamping structure through the groove, and the bottom end of the sealing ring abuts against the top end of the filter box. The baffle and the filter box are fixedly connected through the fixed screws, under the action of the sealing ring, nitrogen leakage is avoided, under the action of the composite filter screen, impurities and particles in the nitrogen can be removed, and it is ensured that the nitrogen entering the cabinet body is pure.

[0015] Preferably, the monitoring structure comprises a pressure gauge, a circuit board, a mounting plate, a data processor and a single-chip microcomputer, one side of the mounting plate is fixed with the circuit board, one side of the circuit board is provided with the pressure gauge, one side of the data processor is fixed with the circuit board, and one side of the data processor is fixed with the single-chip microcomputer. The pressure gauge monitors the pressure in the cabinet body, and when the pressure is less than a preset value, the pressure gauge transmits a signal to the single-chip microcomputer through the data processor, the single-chip microcomputer controls the first electromagnetic valve, the second electromagnetic valve and the delivery pump to start working, and starts the delivery pump to make the nitrogen in the cabinet body enter the inside of the filter box through the connecting pipe.

[0016] Preferably, the input end of the data processor is electrically connected with the output end of the pressure gauge, the output end of the data processor is electrically connected with the input end of the single-chip microcomputer, and the output end of the single-chip microcomputer is electrically connected with the input end of the delivery pump, the first electromagnetic valve and the second electromagnetic valve. After being filtered by the composite filter screen, the filtered nitrogen enters the inside of the distribution seat through the exhaust pipe and is uniformly discharged through the spray head, and when the pressure in the cabinet body is equal to the preset value, the single-chip microcomputer controls the first electromagnetic valve, the second electromagnetic valve and the delivery pump to stop working in sequence.

[0017] The environmental protection type gas insulated switch cabinet has the advantages that:

[0018] The sealing ring is sleeved in the groove, and the sealing ring and the baffle are fixed to each other, the baffle is moved by the handle, the fixed frame is driven by the baffle to move to the inside of the filter box, the bottom end of the sealing ring abuts against the top end of the filter box, the baffle and the filter box are fixedly connected by the fixing screws, nitrogen leakage is avoided under the action of the sealing ring, impurities and particles in the nitrogen are removed under the action of the composite filter screen, the nitrogen entering the cabinet body is pure, the device is convenient to filter, and the applicability of the environmental protection type gas insulated switch cabinet in use is improved.

[0019] The monitoring structure is arranged, the pressure gauge monitors the pressure in the cabinet body, when the pressure is less than a preset value, the pressure gauge transmits a signal to the single-chip microcomputer through the data processor, the single-chip microcomputer controls the first electromagnetic valve, the second electromagnetic valve and the delivery pump to start working, the delivery pump is started, the nitrogen in the cabinet body enters the inside of the filter box through the connecting pipe, is filtered by the composite filter screen, and is filtered, the filtered nitrogen enters the inside of the distribution seat through the exhaust pipe and is uniformly discharged through the spray head, when the pressure in the cabinet body is equal to the preset value, the single-chip microcomputer controls the first electromagnetic valve, the second electromagnetic valve and the delivery pump to stop working in sequence, the device is convenient to monitor the gas in real time, and the convenience of the environmental protection type gas insulated switch cabinet in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2 is a front view schematic view of the utility model's monitoring structure system frame structure;

[0022] Figure 3 is a front view schematic view of the utility model's monitoring structure system frame structure;

[0023] Figure 4 is a front view schematic view of the utility model's monitoring structure system frame structure;

[0024] Figure 5 is a front view schematic view of the utility model's monitoring structure system frame structure; Figure 4 is a front view schematic view of the utility model's monitoring structure system frame structure;

[0025] Figure 6 is a front view schematic view of the utility model's monitoring structure system frame structure.

[0026] The figure mark explanation: 1, cabinet body; 2, bottom plate; 3, box body; 4, air inlet pipe; 5, shunt seat; 6, conveying pump; 7, filter structure; 701, filter box; 702, fixed frame; 703, exhaust pipe; 704, first electromagnetic valve; 705, composite filter screen; 706, connecting pipe; 707, second electromagnetic valve; 708, baffle; 709, recess; 710, sealing ring; 8, monitoring structure; 801, pressure gauge; 802, circuit board; 803, mounting plate; 804, data processor; 805, single-chip microcomputer; 9, spray head. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely 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, not 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 the utility model.

[0028] Please refer to Figures 1-6The utility model provides a kind of environmental protection type gas insulated switchgear, including cabinet 1 and bottom plate 2, the side of cabinet 1 is provided with bottom plate 2, the side of the top end of bottom plate 2 is fixed with box 3, the top end of box 3 is fixed with air inlet pipe 4, conveying pump 6 is installed in the inside of box 3, filter structure 7 is fixed in the side of box 3, filter structure 7 includes filter box 701, fixed frame 702, exhaust pipe 703, first electromagnetic valve 704, composite filter screen 705, connecting pipe 706, second electromagnetic valve 707, baffle 708, recess 709 and sealing ring 710, filter box 701 is fixed in the side of box 3, the side of filter box 701 is fixed with exhaust pipe 703, the other side of filter box 701 is fixed with connecting pipe 706, second electromagnetic valve 707 is installed outside connecting pipe 706, first electromagnetic valve 704 is installed outside exhaust pipe 703, fixed frame 702 is arranged in the inside of filter box 701, composite filter screen 705 is arranged in the inside of fixed frame 702, baffle 708 is fixed outside the top end of fixed frame 702 and extends to the outside of filter box 701, recess 709 is formed in the outside of the bottom of baffle 708, sealing ring 710 is arranged in the inside of recess 709, one end of exhaust pipe 703 away from filter box 701 extends to the inside of cabinet 1 and is connected with the side of shunt seat 5, one end of connecting pipe 706 away from filter box 701 extends to the inside of box 3 and is fixedly connected with the output end of conveying pump 6, fixed bolt is uniformly penetrated in the inside of baffle 708, baffle 708 is fixedly connected with filter box 701 through fixed bolt, sealing ring 710 and baffle 708 form engagement structure through recess 709, the bottom end of sealing ring 710 is in abutment with the top end of filter box 701, flange is fixed in the end of air inlet pipe 4 away from box 3, air inlet valve is installed outside air inlet pipe 4.

[0029] Referring to Figure 4 And Figure 5 Sealing ring 710 is sleeved in the inside of recess 709, in turn sealing ring 710 and baffle 708 are fixed, baffle 708 is moved by handle and drives fixed frame 702 to move to the inside of filter box 701, at this time the bottom end of sealing ring 710 is in abutment with the top end of filter box 701, baffle 708 and filter box 701 are fixedly connected by fixed screw, under the action of sealing ring 710, avoid nitrogen leakage, under the action of composite filter screen 705, impurity and particle in nitrogen can be removed, ensure that the nitrogen entering cabinet 1 is pure.

[0030] The inside of the cabinet body 1 is fixed with a shunt seat 5, the shunt seat 5 is uniformly fixed with a spray head 9 on one side, the top of the cabinet body 1 is installed with a monitoring structure 8, the monitoring structure 8 comprises a pressure gauge 801, a circuit board 802, a mounting plate 803, a data processor 804 and a single-chip microcomputer 805, the mounting plate 803 is fixed to the top of the cabinet body 1, the circuit board 802 is fixed on one side of the mounting plate 803, the pressure gauge 801 is installed on the outer wall of the mounting plate 803 on one side of the circuit board 802, the data processor 804 is fixed on one side of the circuit board 802, the single-chip microcomputer 805 is fixed on the outer wall of the circuit board 802 on one side of the data processor 804, the input end of the data processor 804 is electrically connected with the output end of the pressure gauge 801, the output end of the data processor 804 is electrically connected with the input end of the single-chip microcomputer 805, and the output end of the single-chip microcomputer 805 is electrically connected with the input end of the delivery pump 6, the first electromagnetic valve 704 and the second electromagnetic valve 707 respectively.

[0031] Referring to Figure 3 and Figure 6 When the pressure is less than the preset value, the pressure gauge 801 transmits a signal to the single-chip microcomputer 805 through the data processor 804, the single-chip microcomputer 805 controls the first electromagnetic valve 704, the second electromagnetic valve 707 and the delivery pump 6 to start working, starts the delivery pump 6, and makes the nitrogen in the box body 3 enter the inside of the filter box 701 through the connecting pipe 706, is filtered through the composite filter screen 705, and is filtered through the exhaust pipe 703 into the inside of the shunt seat 5, and then is uniformly discharged through the spray head 9, when the pressure in the cabinet body 1 is equal to the preset value, the single-chip microcomputer 805 controls the first electromagnetic valve 704, the second electromagnetic valve 707 and the delivery pump 6 to stop working in turn.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An environmentally friendly gas insulated switch cabinet, comprising a cabinet body (1) and a bottom plate (2); Its characterized in that: One side of the cabinet body (1) is provided with a bottom plate (2), one side of the top end of the bottom plate (2) is fixedly connected with a box body (3), the top end of the box body (3) is fixedly connected with an air inlet pipe (4), a conveying pump (6) is installed in the inside of the box body (3), a filter structure (7) is fixedly connected to one side of the box body (3), the filter structure (7) comprises a filter box (701), a fixed frame (702), an exhaust pipe (703), a first electromagnetic valve (704), a composite filter screen (705), a connecting pipe (706), a second electromagnetic valve (707), a baffle (708), a groove (709) and a sealing ring (710), one side of the filter box (701) is fixedly connected with the exhaust pipe (703), the other side of the filter box (701) is fixedly connected with the connecting pipe (706), the outside of the connecting pipe (706) is fixedly connected with the second electromagnetic valve (707), the outside of the exhaust pipe (703) is fixedly connected with the first electromagnetic valve (704), the inside of the filter box (701) is provided with the fixed frame (702), the inside of the fixed frame (702) is provided with the composite filter screen (705), the top end of the fixed frame (702) extends to the outside of the filter box (701) and is fixedly connected with the baffle (708), the outside of the bottom of the baffle (708) is provided with the groove (709), and the inside of the groove (709) is provided with the sealing ring (710). One side of the inside of the cabinet body (1) is fixedly connected with a shunt seat (5), and the shunt seat (5) is uniformly fixedly connected with a nozzle (9) on one side. The top of the cabinet body (1) is provided with a monitoring structure (8).

2. The environmentally friendly gas insulated switchgear according to claim 1, characterized in that: The end of the air inlet pipe (4) away from the box body (3) is fixedly connected with a flange plate, and the outside of the air inlet pipe (4) is fixedly connected with an air inlet valve.

3. The environmentally friendly gas insulated switchgear according to claim 1, characterized in that: The end of the exhaust pipe (703) away from the filter box (701) extends to the inside of the cabinet body (1) and is in communication with one side of the shunt seat (5), and the end of the connecting pipe (706) away from the filter box (701) extends to the inside of the box body (3) and is fixedly connected with the output end of the conveying pump (6).

4. The environmentally friendly gas insulated switchgear according to claim 1, characterized in that: The inside of the baffle (708) is uniformly penetrated by fixed bolts, and the baffle (708) and the filter box (701) are fixedly connected through the fixed bolts.

5. The environmentally friendly gas insulated switchgear according to claim 1, characterized in that: The sealing ring (710) and the baffle (708) form a clamping structure through the groove (709), and the bottom end of the sealing ring (710) abuts against the top end of the filter box (701).

6. The environmentally friendly gas insulated switchgear according to claim 1, characterized in that: The monitoring structure (8) comprises a pressure gauge (801), a circuit board (802), a mounting plate (803), a data processor (804) and a single-chip microcomputer (805), one side of the mounting plate (803) is fixed to the top of the cabinet body (1), one side of the mounting plate (803) is fixed with the circuit board (802), the outer wall of one side of the circuit board (802) is provided with the pressure gauge (801), one side of the circuit board (802) is fixed with the data processor (804), and the outer wall of one side of the data processor (804) is fixed with the single-chip microcomputer (805).

7. The environmentally friendly gas insulated switchgear according to claim 6, characterized in that: The input end of the data processor (804) is electrically connected with the output end of the pressure gauge (801), the output end of the data processor (804) is electrically connected with the input end of the single-chip microcomputer (805), and the output end of the single-chip microcomputer (805) is respectively electrically connected with the input end of the conveying pump (6), the first electromagnetic valve (704) and the second electromagnetic valve (707).

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