An electrical insulation gas detection device

Abstract

The application relates to the technical field of insulating gas detection, and discloses an insulating gas detection device for electrical equipment, which solves the problem that it is difficult to quickly extract the gas in high-voltage electrical equipment for detection, and comprises high-voltage electrical equipment, the outer side of the high-voltage electrical equipment is provided with an optical measuring device, the top of the optical measuring device is connected with a laser, the bottom of the optical measuring device is connected with a detector, and the outer side of the high-voltage electrical equipment is provided with a data processor; the cooperation between the connecting pipe two, the side plate, the through groove and the abutting column facilitates the side plate to be sleeved outside the two positioning columns, the cooperation between the side column, the ball one and the inner plate facilitates the inner ring to slide along the two inner rods under the action of the elastic force of the two spring one, then the side plate can be limited, the connecting pipe two and the connecting pipe one can be quickly connected and fixed, and then the gas in the high-voltage electrical equipment can be quickly extracted into the optical measuring device for detection.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of insulating gas detection, and particularly relates to an insulating gas detection device for electrical equipment. BACKGROUND

[0002] During long-term operation of high-voltage electrical equipment, internal particles or foreign residues, manufacturing process defects and the like can cause insulation failure, resulting in decomposition of insulating gas and generation of a large amount of toxic gas decomposition products, and accurate detection of characteristic decomposition products of insulating gas is a guarantee for early warning of insulation failure of high-voltage electrical equipment and safe operation of high-voltage electrical equipment.

[0003] In the prior art, the gas sample in the high-voltage electrical equipment is usually detected by connecting a connecting pipe with the high-voltage electrical equipment, and the connecting pipe is generally connected through a flange, so that a plurality of bolts need to be operated, and therefore it is difficult to quickly extract the gas in the high-voltage electrical equipment for detection. SUMMARY

[0004] In view of the above problems, the insulating gas detection device for electrical equipment is provided to overcome the defects of the prior art and effectively solve the problem that it is difficult to quickly extract the gas in the high-voltage electrical equipment for detection.

[0005] To achieve the above purpose, the application provides the following technical scheme: an insulating gas detection device for electrical equipment, comprising a high-voltage electrical equipment, an optical measuring device arranged on the outer side of the high-voltage electrical equipment, a laser device connected to the top of the optical measuring device, a detector connected to the bottom of the optical measuring device, a data processor arranged on the outer side of the high-voltage electrical equipment, a data transmitter electrically connected to the data processor, an air inlet hose and an air outlet hose fixedly connected to the outer side of the optical measuring device in a symmetrical manner, a booster pump arranged on the air inlet hose, a pressure reducing valve and a throttle valve arranged on the air outlet hose, a filtering mechanism arranged on the air outlet hose, an air inlet and an air outlet arranged on the outer side of the high-voltage electrical equipment in a symmetrical manner, a connecting mechanism arranged on the air inlet and the air outlet, and the air inlet hose and the air outlet hose connected to the two connecting mechanisms respectively, and a sealing mechanism arranged on the connecting mechanism.

[0006] The connecting mechanism comprises two connecting pipes one arranged between the high-voltage electrical equipment and the optical measuring device, the two connecting pipes one are fixed to the air inlet and the air outlet respectively, the air inlet hose and the air outlet hose are both fixedly connected with a connecting pipe two at the end close to the high-voltage electrical equipment, the two connecting pipes one are sleeved on the outer side of the two connecting pipes two, the connecting pipe one is provided with a through slot at the side away from the high-voltage electrical equipment, the connecting pipe two is fixedly connected with a side plate matched with the through slot at the end close to the high-voltage electrical equipment, the side plate abuts against the inner wall of the connecting pipe one, two positioning columns are fixedly connected to the inner wall of the connecting pipe one in a symmetrical manner, the side plate is movably sleeved on the outer side of the two positioning columns, two abutting columns are fixedly connected to the inner wall of the connecting pipe one in a symmetrical manner, and the side plate abuts against the two abutting columns.

[0007] Preferably, the inside of the connecting pipe one is fixedly connected with two inner rods in a symmetrical manner, an inner ring is movably sleeved between the two inner rods, two springs one are fixedly connected between the inner ring and the connecting pipe two away from the connecting pipe one in a symmetrical manner, the two springs one are respectively sleeved on the outer sides of the two inner rods, the inner ring is movably sleeved on the outer sides of the two positioning columns, the inner side of the inner ring is fixedly connected with an inner plate, the side plate is fixedly connected with a side column away from the side plate, and the side column is provided with a ball one abutting against the inner plate.

[0008] Preferably, the sealing mechanism comprises a sealing ring movably sleeved on the outer side of the connecting pipe two, the inner side of the sealing ring is fixedly connected with two limiting blocks in a symmetrical manner, the outer side of the connecting pipe two is provided with two limiting grooves in a symmetrical manner, the two limiting blocks are respectively in sliding connection with the two limiting grooves, the sealing ring is fixedly connected with a rubber ring one and a rubber ring two away from the connecting pipe one, the rubber ring two is located on the outer side of the rubber ring one, and the rubber ring one and the rubber ring two are both abutted against the connecting pipe one.

[0009] Preferably, the outer side of the connecting pipe two is provided with a screw cylinder, the outer side of the screw cylinder is fixedly provided with a hand wheel, a movable ring is arranged between the screw cylinder and the sealing ring, the movable ring is sleeved on the outer side of the connecting pipe two and does not contact the connecting pipe two, a plurality of connecting columns are fixedly connected between the movable ring and the screw cylinder at equal angles, the outer side of the connecting pipe two is provided with an external thread, and the screw cylinder is threadedly sleeved on the outer side of the connecting pipe two through the external thread.

[0010] Preferably, the sealing ring is fixedly provided with an annular frame on the side close to the movable ring, and the inner side of the annular frame is provided with balls two abutting against the movable ring at equal angles.

[0011] Preferably, the filtering mechanism comprises a filtering box fixed on the air outlet hose, the top of the filtering box is provided with an opening, an installation plate is arranged above the filtering box, the bottom of the installation plate is fixedly provided with a rubber ring three and a sealing plate, the rubber ring three is fixed on the outer side of the sealing plate and abuts against the top of the filtering box, the sealing plate is inserted into the opening, the bottom of the sealing plate is fixedly provided with an installation frame located in the filtering box, the inner side of the installation frame is fixedly provided with a filter plate, and a collecting frame is fixedly provided on the side of the installation frame close to the high-voltage electrical equipment, the collecting frame is located on the inner bottom wall of the filtering box.

[0012] Preferably, the top of the filtering box is fixedly connected with two top blocks in a symmetrical manner, the top of each of the two top blocks is fixedly connected with a vertical column, the installation plate is located on the top of the two top blocks, and the installation plate is movably sleeved on the outer sides of the two vertical columns.

[0013] Preferably, the two top blocks are fixedly connected with a U-shaped round rod 1, the outer side of the U-shaped round rod 1 movably sleeved with a sliding plate, the two top blocks and the sliding plate are fixedly connected with spring 2, the two spring 2 are sleeved on the outer side of the U-shaped round rod 1, the top of the sliding plate is fixedly connected with an insertion block, the outer side of the mounting plate is provided with an insertion slot, and the insertion block is inserted into the insertion slot.

[0014] Preferably, the sliding plate is fixedly connected with a U-shaped round rod 2 away from the mounting plate, the outer side of the U-shaped round rod 2 is rotatably connected with a positioning rod, the two sides of the positioning rod are provided with an outer ring, the two outer rings are fixedly sleeved on the outer side of the U-shaped round rod 2, and the outer side of the U-shaped round rod 1 is provided with a positioning groove matched with the positioning rod.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] (1) The present application, through the cooperation between the connecting pipe two, the side plate and the through slot and the abutting column, facilitates the side plate to be sleeved on the outer side of the two positioning columns, and through the cooperation between the side column, the ball one and the inner plate, facilitates the inner ring to slide along the two inner rods under the action of the two spring one elastic forces, and then can limit the side plate, facilitates the quick connection and fixation of the connecting pipe two and the connecting pipe one, thereby facilitating the quick extraction of the gas in the high-voltage electrical equipment into the optical measuring device for detection.

[0017] (2) The present application, through the cooperation between the connecting pipe two and the outer thread and the screw cylinder and the connecting column, facilitates the movement of the movable ring, and through the cooperation between the annular frame, the ball two and the limiting block and the limiting slot, facilitates the movement of the sealing ring, so that the rubber ring two and the rubber ring one can be matched with the sealing ring, thereby avoiding the movement of the connecting pipe two, ensuring the firm connection of the connecting pipe one and the connecting pipe two, and at the same time, the through slot can be sealed, thereby facilitating the sealing between the connecting pipe one and the connecting pipe two.

[0018] (3) The present application, through the cooperation between the sealing plate and the opening and the mounting plate and the stand column, facilitates the insertion of the filter plate and the mounting frame into the filter box, and through the cooperation between the sliding plate and the U-shaped round rod one and the spring two and the top block, facilitates the insertion of the insertion block into the insertion slot to fix the mounting plate on the top of the filter box, thereby facilitating the fixation of the filter plate in the filter box to filter the gas extracted from the high-voltage electrical equipment, to ensure the accuracy and reliability of detection. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, together with the embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application.

[0020] In the drawings:

[0021] Figure 1 It is an electrical insulation gas detection device structure schematic view.

[0022] Figure 2 Structure diagram of connecting mechanism of the application;

[0023] Figure 3 Structure diagram of connecting pipe of the application;

[0024] Figure 4 Structure diagram of sealing mechanism of the application;

[0025] Figure 5 Structure diagram of sealing ring of the application;

[0026] Figure 6 Structure diagram of filtering mechanism of the application;

[0027] Figure 7 Structure diagram of filtering box and mounting plate of the application;

[0028] Figure 8 Structure diagram of sliding plate of the application;

[0029] Figure 9 Structure diagram of the application Figure 8 Enlarged structure diagram of A in the application.

[0030] In the figure: 1, high-voltage electrical equipment; 2, connecting mechanism; 201, connecting pipe one; 202, connecting pipe two; 203, through slot; 204, side plate; 205, inner rod; 206, spring one; 207, positioning column; 208, abutting column; 209, inner ring; 2010, inner plate; 2011, ball one; 2012, side column; 3, sealing mechanism; 301, sealing ring; 302, limiting groove; 303, connecting column; 304, screw cylinder; 305, external thread; 306, hand wheel; 307, movable ring; 308, annular frame; 309, rubber ring one; 3010, limiting block; 3011, ball two; 3012, rubber ring two; 4, filtering mechanism; 401, filtering box; 402, sliding plate; 403, mounting plate; 404, rubber ring three; 405, mounting frame; 406, collection frame; 407, opening; 408, filter plate; 409, sealing plate; 4010, insertion slot; 4011, spring two; 4012, stand column; 4013, insertion block; 4014, top block; 4015, U-shaped round rod one; 4016, U-shaped round rod two; 4017, positioning groove; 4018, positioning rod; 4019, outer ring; 5, pressure reducing valve; 6, throttle valve; 7, detector; 8, data transmitter; 9, data processor; 10, laser; 11, optical measuring device; 12, air inlet hose; 13, pressure increasing pump; 14, air inlet; 15, air outlet; 16, air outlet hose. DETAILED DESCRIPTION

[0031] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0032] Embodiment one, by Figures 1-9 The present application includes a high-voltage electrical equipment 1, an optical measuring device 11 is arranged on the outer side of the high-voltage electrical equipment 1, a laser 10 is connected to the top of the optical measuring device 11, a detector 7 is connected to the bottom of the optical measuring device 11, a data processor 9 is arranged on the outer side of the high-voltage electrical equipment 1, a data transmitter 8 is electrically connected to the data processor 9, an air inlet hose 12 and an air outlet hose 16 are symmetrically fixedly connected to the outer side of the optical measuring device 11, a booster pump 13 is arranged on the air inlet hose 12, a pressure reducing valve 5 and a throttle valve 6 are arranged on the air outlet hose 16, a filtering mechanism 4 is arranged on the air outlet hose 16, an air inlet 14 and an air outlet 15 are symmetrically arranged on the outer side of the high-voltage electrical equipment 1, the air inlet 14 and the air outlet 15 are each provided with a connecting mechanism 2, the air inlet hose 12 and the air outlet hose 16 are respectively connected to the two connecting mechanisms 2, a sealing mechanism 3 is arranged on the connecting mechanism 2, the pressure reducing valve 5, the detector 7, the booster pump 13 and the laser 10 are electrically connected to the data processor 9 and communicate with each other, the working of the pressure reducing valve 5, the detector 7, the booster pump 13 and the laser 10 can be controlled through the data processor 9, the gas in the optical measuring device 11 can be pressurized and filled back into the high-voltage electrical equipment 1 through the booster pump 13, and the recovery of the insulation gas is realized.

[0033] Firstly, the insulation gas in the high-voltage electrical equipment 1 enters the optical measuring device 11 through the pressure reducing valve 5 and the throttle valve 6, the pressure reducing valve 5 performs pressure reduction treatment on the insulation gas, and the throttle valve 6 is responsible for controlling the flow rate inside the optical measuring device 11, the laser 10 emits infrared laser to form a decay in the optical measuring device 11, the detector 7 measures the optical decay signal and sends the detection data to the data processor 9, after the insulation gas enters the optical measuring device 11, the decay time changes, the data processor 9 calculates the accurate decay time, and the decay time is sent to a data terminal in a wireless transmission manner through the data transmitter 8 for data storage and display, and finally the detection of the insulation gas in the high-voltage electrical equipment 1 is completed.

[0034] In the embodiment two, on the basis of the embodiment one, the connecting mechanism 2 comprises two connecting pipes one 201 between the high-voltage electrical equipment 1 and the optical measuring device 11, the two connecting pipes one 201 are fixed on the air inlet 14 and the air outlet 15 respectively, the air inlet hose 12 and the air outlet hose 16 are fixedly connected with the connecting pipes two 202 at the ends close to the high-voltage electrical equipment 1, the two connecting pipes two 202 are respectively sleeved outside the two connecting pipes one 201, the connecting pipe one 201 is provided with a through slot 203 at the side away from the high-voltage electrical equipment 1, the connecting pipe two 202 is fixedly connected with a side plate 204 matched with the through slot 203 at the end close to the high-voltage electrical equipment 1, the side plate 204 abuts against the inner wall of the connecting pipe one 201, the inner wall of the connecting pipe one 201 is fixedly connected with two positioning columns 207, the side plate 204 is movably sleeved outside the two positioning columns 207, the inner wall of the connecting pipe one 201 is fixedly connected with two abutting columns 208, the side plate 204 abuts against the two abutting columns 208, the inside of the connecting pipe one 201 is fixedly connected with two inner rods 205, an inner ring 209 is movably sleeved between the two inner rods 205, two springs one 206 are fixedly connected between the inner ring 209 and the connecting pipe one 201 at the side away from the connecting pipe two 202, the two springs one 206 are respectively sleeved outside the two inner rods 205, the inner ring 209 is movably sleeved outside the two positioning columns 207, the inner side of the inner ring 209 is fixedly connected with an inner plate 2010, the side plate 204 is fixedly connected with a side column 2012 at the side away from the connecting pipe two 202, a ball one 2011 matched with the inner plate 2010 is installed at the end of the side column 2012 away from the side plate 204.

[0035] Firstly, the end of the connecting pipe two 202 close to the high-voltage electrical equipment 1 is inserted into the connecting pipe one 201, so that the side plate 204 penetrates through the through slot 203 and is located in the connecting pipe one 201, when the ball one 2011 abuts against the inner plate 2010, the connecting pipe two 202 is continuously moved to push the inner plate 2010, then the inner ring 209 is driven to slide along the two inner rods 205, at this time, the two springs one 206 are stretched, then the connecting pipe two 202 is rotated to drive the side plate 204 to rotate until abutting against the two abutting columns 208, then the connecting pipe two 202 is pulled to drive the side plate 204 to move and be sleeved outside the two positioning columns 207, at the same time, the inner ring 209 slides along the two inner rods 205 and is sleeved outside the two positioning columns 207 under the elastic force of the two springs one 206, in this process, the inner plate 2010 is closely matched with the ball one 2011, the side plate 204 is clamped and fixed, the connecting pipe two 202 and the connecting pipe one 201 are quickly fixed, finally, the gas in the high-voltage electrical equipment 1 is quickly extracted into the optical measuring device 11 for detection.

[0036] In example three, on the basis of example one, the sealing mechanism 3 comprises a sealing ring 301 movably sleeved outside the connecting pipe two 202, the inner side of the sealing ring 301 is symmetrically and fixedly connected with two limiting blocks 3010, the outer side of the connecting pipe two 202 is symmetrically provided with two limiting grooves 302, the two limiting blocks 3010 are respectively and slidably connected with the two limiting grooves 302, the side of the sealing ring 301 close to the connecting pipe one 201 is fixedly connected with a rubber ring one 309 and a rubber ring two 3012, the rubber ring two 3012 is located outside the rubber ring one 309, and the rubber ring one 309 and the rubber ring two 3012 are both attached to the connecting pipe one 201, the outer side of the connecting pipe two 202 is provided with a screw barrel 304, the outer side of the screw barrel 304 is fixedly installed with a hand wheel 306, the screw barrel 304 and the sealing ring 301 are provided with a movable ring 307 therebetween, the movable ring 307 is sleeved outside the connecting pipe two 202 and does not contact the connecting pipe two 202, a plurality of connecting columns 303 are fixedly connected between the movable ring 307 and the screw barrel 304 at equal angles, the outer side of the connecting pipe two 202 is provided with an external thread 305, the screw barrel 304 is threadedly sleeved outside the connecting pipe two 202 through the external thread 305, the side of the sealing ring 301 close to the movable ring 307 is fixedly installed with an annular frame 308, the inner side of the annular frame 308 is installed with a plurality of ball bearings two 3011 attached to the movable ring 307 at equal angles.

[0037] First, rotate the hand wheel 306 to drive the screw barrel 304 to rotate, since the screw barrel 304 is threadedly sleeved outside the connecting pipe two 202 through the external thread 305, the screw barrel 304 moves while rotating, then drives the movable ring 307 to rotate and move through each connecting column 303, when the movable ring 307 abuts against each ball bearing two 3011, continue to move to push the annular frame 308 and the sealing ring 301, at the same time, the two limiting blocks 3010 slide in the two limiting grooves 302 respectively to ensure the stability of the sealing ring 301 when moving, until the rubber ring two 3012 and the rubber ring one 309 are both attached to the connecting pipe one 201, avoid the connecting pipe two 202 from moving, so that the connecting pipe one 201 and the connecting pipe two 202 are firmly connected, at the same time, the through groove 203 is blocked and sealed, finally, ensure the sealing between the connecting pipe one 201 and the connecting pipe two 202.

[0038] In example four, on the basis of example one, the filtering mechanism 4 comprises a filtering box 401 fixed on the air outlet hose 16, the top of the filtering box 401 is provided with an opening 407, the upper side of the filtering box 401 is provided with a mounting plate 403, the bottom of the mounting plate 403 is fixedly installed with a rubber ring three 404 and a sealing plate 409, the rubber ring three 404 is fixed to the outer side of the sealing plate 409 and is attached to the top of the filtering box 401, by arranging the rubber ring three 404, the gas is prevented from being discharged from the opening 407, the sealing plate 409 is inserted into the opening 407, the bottom of the sealing plate 409 is fixedly installed with a mounting frame 405 located in the filtering box 401, the inner side of the mounting frame 405 is fixedly installed with a filter plate 408, the side of the mounting frame 405 close to the high-voltage electrical equipment 1 is fixedly installed with a collection frame 406, the collection frame 406 is located on the inner bottom wall of the filtering box 401, the top of the filtering box 401 is fixedly connected with two top blocks 4014, the top of the two top blocks 4014 is fixedly connected with a stand 4012, the mounting plate 403 is located on the top of the two top blocks 4014, and the mounting plate 403 is movably sleeved on the outer side of the two stands 4012, the U-shaped round rod one 4015 is fixedly connected between the two top blocks 4014, the outer side of the U-shaped round rod one 4015 movably sleeved with a sliding plate 402, the two top blocks 4014 and the sliding plate 402 are fixedly connected with a spring two 4011, the two spring two 4011 are sleeved on the outer side of the U-shaped round rod one 4015, the top of the sliding plate 402 is fixedly connected with a plug block 4013, the outer side of the mounting plate 403 is provided with a plug groove 4010, the plug block 4013 is inserted into the plug groove 4010, the side of the sliding plate 402 away from the mounting plate 403 is fixedly connected with a U-shaped round rod two 4016, the outer side of the U-shaped round rod two 4016 is rotatably connected with a positioning rod 4018, the two sides of the positioning rod 4018 are provided with an outer ring 4019, the two outer rings 4019 are fixedly sleeved on the outer side of the U-shaped round rod two 4016, by arranging the two outer rings 4019, the positioning rod 4018 is limited, and the movement of the positioning rod 4018 on the U-shaped round rod two 4016 is avoided, the outer side of the U-shaped round rod one 4015 is provided with a positioning groove 4017 matched with the positioning rod 4018;

[0039] In the initial state, the positioning rod 4018 is inserted into the positioning groove 4017, and the two springs 4011 are in the compressed state. First, insert the sealing plate 409 into the opening 407, and then install the frame 405 and the filter plate 408 into the filter box 401. Then, the mounting plate 403 is sleeved outside the two vertical columns 4012, and the mounting plate 403 is located on the top of the two top blocks 4014. At the same time, the rubber ring 404 is located on the top of the filter box 401. The installation frame 405 and the filter plate 408 are completely located inside the filter box 401, and the collection frame 406 is located on the inner bottom wall of the filter box 401. Then, pull the U-shaped round rod 4016 to remove the positioning rod 4018 from the positioning groove 4017, and rotate the positioning rod 4018 by 180°. Then, loosen the U-shaped round rod 4016. At this time, the sliding plate 402 slides along the U-shaped round rod 4015 under the action of the elastic force of the two springs 4011, and drives the insertion block 4013 to move until it is inserted into the mounting plate 403. The mounting plate 403 is fixed on the top of the filter box 401, and the filter plate 408 is fixed in the filter box 401 to filter the gas extracted from the high-voltage electrical equipment 1, so as to ensure the accuracy and reliability of the detection. The impurities filtered out fall into the collection frame 406 for collection. When it is necessary to clean the filter plate 408, the filter plate 408 can be disassembled from the filter box 401. Finally, the filter plate 408 can be cleaned, and the impurities in the collection frame 406 can be treated.

Claims

1. An electrical insulating gas detection device comprising a high voltage electrical apparatus (1), characterized in that: The high-voltage electrical equipment (1) is provided with an optical measuring device (11) on the outside, the top of the optical measuring device (11) is connected with a laser (10), the bottom of the optical measuring device (11) is connected with a detector (7), the outside of the high-voltage electrical equipment (1) is provided with a data processor (9), the data processor (9) is electrically connected with a data transmitter (8), the outside of the optical measuring device (11) is fixedly connected with an air inlet hose (12) and an air outlet hose (16) in a symmetrical manner, the air inlet hose (12) is provided with a booster pump (13), the air outlet hose (16) is provided with a pressure reducing valve (5) and a throttle valve (6), the air outlet hose (16) is provided with a filtering mechanism (4), the outside of the high-voltage electrical equipment (1) is provided with an air inlet (14) and an air outlet (15) in a symmetrical manner, the air inlet (14) and the air outlet (15) are provided with a connecting mechanism (2), the air inlet hose (12) and the air outlet hose (16) are connected with the two connecting mechanisms (2) respectively, and the connecting mechanism (2) is provided with a sealing mechanism (3); The connecting mechanism (2) comprises two connecting pipes I (201) between the high-voltage electrical equipment (1) and the optical measuring device (11), the two connecting pipes I (201) are fixed to the air inlet (14) and the air outlet (15) respectively, the air inlet hose (12) and the air outlet hose (16) are fixedly connected with connecting pipes II (202) at one end close to the high-voltage electrical equipment (1), the two connecting pipes II (202) are sleeved on the outside of the two connecting pipes I (201) respectively, the connecting pipe I (201) is provided with a through groove (203) on the side away from the high-voltage electrical equipment (1), the end of the connecting pipe II (202) close to the high-voltage electrical equipment (1) is fixedly connected with a side plate (204) matched with the through groove (203), the side plate (204) abuts against the inner wall of the connecting pipe I (201), the inner wall of the connecting pipe I (201) is fixedly connected with two positioning columns (207) in a symmetrical manner, the side plate (204) is movably sleeved on the outside of the two positioning columns (207), the inner wall of the connecting pipe I (201) is fixedly connected with two abutting columns (208) in a symmetrical manner, the side plate (204) abuts against the two abutting columns (208), the inside of the connecting pipe I (201) is fixedly connected with two inner rods (205) in a symmetrical manner, an inner ring (209) is movably sleeved between the two inner rods (205), two springs I (206) are fixedly connected between the inner ring (209) and the connecting pipe I (201) on the side away from the connecting pipe II (202) in a symmetrical manner, the two springs I (206) are sleeved on the outside of the two inner rods (205) respectively, the inner ring (209) is movably sleeved on the outside of the two positioning columns (207), the inner side of the inner ring (209) is fixedly connected with an inner plate (2010), the side plate (204) is fixedly connected with a side column (2012) on the side away from the connecting pipe II (202), and the end of the side column (2012) away from the side plate (204) is provided with a ball I (2011) abutting against the inner plate (2010).

2. The electrical insulating gas detection device according to claim 1, characterized in that: The sealing mechanism (3) comprises a sealing ring (301) movably sleeved outside the second connecting pipe (202), the inner side of the sealing ring (301) is symmetrically and fixedly connected with two limiting blocks (3010), the outer side of the second connecting pipe (202) is symmetrically provided with two limiting grooves (302), the two limiting blocks (3010) are respectively and slidably connected with the two limiting grooves (302), the side of the sealing ring (301) close to the first connecting pipe (201) is fixedly connected with a rubber ring I (309) and a rubber ring II (3012), the rubber ring II (3012) is located outside the rubber ring I (309), and the rubber ring I (309) and the rubber ring II (3012) are both attached to the first connecting pipe (201).

3. The electrical insulating gas detection device according to claim 1, characterized in that: The outer side of the second connecting pipe (202) is provided with a screw barrel (304), the outer side of the screw barrel (304) is fixedly installed with a hand wheel (306), the screw barrel (304) and the sealing ring (301) are provided with a movable ring (307) therebetween, the movable ring (307) is sleeved outside the second connecting pipe (202) and does not contact the second connecting pipe (202), a plurality of connecting columns (303) are fixedly connected between the movable ring (307) and the screw barrel (304) at equal angles, the outer side of the second connecting pipe (202) is provided with an external thread (305), and the screw barrel (304) is threadedly sleeved outside the second connecting pipe (202) through the external thread (305).

4. The electrical insulating gas detection device according to claim 2, characterized in that: The side of the sealing ring (301) close to the movable ring (307) is fixedly installed with an annular frame (308), and the inner side of the annular frame (308) is installed with a plurality of ball bearings II (3011) attached to the movable ring (307) at equal angles.

5. The electrical insulating gas detection device according to claim 1, wherein: The filtering mechanism (4) comprises a filtering box (401) fixed to the air outlet hose (16), the top of the filtering box (401) is provided with an opening (407), the top of the filtering box (401) is provided with a mounting plate (403), the bottom of the mounting plate (403) is fixedly installed with a rubber ring III (404) and a sealing plate (409), the rubber ring III (404) is fixed to the outer side of the sealing plate (409) and attached to the top of the filtering box (401), the sealing plate (409) is inserted into the opening (407), the bottom of the sealing plate (409) is fixedly installed with a mounting frame (405) located in the filtering box (401), the inner side of the mounting frame (405) is fixedly installed with a filter plate (408), and the side of the mounting frame (405) close to the high-voltage electrical equipment (1) is fixedly installed with a collecting frame (406), and the collecting frame (406) is located on the inner bottom wall of the filtering box (401).

6. The electrical insulating gas detection device according to claim 5, characterized in that: The top of the filtering box (401) is symmetrically and fixedly connected with two top blocks (4014), the top of each of the two top blocks (4014) is fixedly connected with a stand column (4012), and the mounting plate (403) is located at the top of the two top blocks (4014) and movably sleeved outside the two stand columns (4012).

7. The electrical insulating gas detection device according to claim 6, characterized in that: Two top blocks (4014) are fixedly connected with a U-shaped round rod one (4015), the outer side of the U-shaped round rod one (4015) movably sleeved with a sliding plate (402), two top blocks (4014) and the sliding plate (402) are fixedly connected with spring two (4011), two spring two (4011) are all set on the outer side of the U-shaped round rod one (4015), the top of the sliding plate (402) is fixedly connected with an insertion block (4013), the outer side of the mounting plate (403) is equipped with an insertion slot (4010), the insertion block (4013) is inserted into the insertion slot (4010).

8. The electrical insulating gas detection device according to claim 7, characterized in that: The side away from the mounting plate (403) of the sliding plate (402) is fixedly connected with a U-shaped round rod two (4016), the outer side of the U-shaped round rod two (4016) is rotatably connected with a positioning rod (4018), the both sides of the positioning rod (4018) are equipped with an outer ring (4019), two outer rings (4019) are all fixedly sleeved with the outer side of the U-shaped round rod two (4016), the outer side of the U-shaped round rod one (4015) is equipped with a positioning groove (4017) matched with the positioning rod (4018).

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