Electrical insulating gas detection device

Abstract

The invention relates to the technical field of insulating gas detection, and discloses an electrical insulating gas detection device, which solves the problem that gas in high-voltage electrical equipment is difficult to quickly extract for detection at present, and comprises the high-voltage electrical equipment, and an optical measurer is arranged on the outer side of the high-voltage electrical equipment. The top of the optical measurer is connected with a laser, the bottom of the optical measurer is connected with a detector, and a data processor is arranged on the outer side of the high-voltage electrical equipment; according to the device, through cooperation between a second connecting pipe and a side plate and cooperation between a through groove and an abutting column, the side plate is conveniently arranged on the outer sides of two positioning columns in a sleeving mode, through cooperation between the side column and a first ball and an inner plate, an inner ring can conveniently slide along two inner rods under the action of elastic force of two first springs, and then the side plate can be limited; and the second connecting pipe and the first connecting pipe can be quickly connected and fixed, so that gas in the high-voltage electrical equipment can be quickly extracted to enter the optical measurer for detection.

Description

Technical Field

[0001] The invention belongs to the technical field of insulating gas detection, and in particular relates to an insulating gas detection device for electrical use. Background Art

[0002] During the long-term operation of high-voltage electrical equipment, defects such as internal particles or foreign residues, poor manufacturing processes, etc. can cause insulation failures, leading to the decomposition of insulating gas and the generation of a large number of toxic gas decomposition products. Accurate detection of the characteristic decomposition products of insulating gas is the key to achieving early warning of insulation failures in high-voltage electrical equipment and providing protection for the safe operation of high-voltage electrical equipment.

[0003] In the prior art, gas samples are usually extracted from high-voltage electrical equipment for testing, which requires connecting the connecting pipe to the high-voltage electrical equipment. Currently, the connection is generally made through flanges, which requires the operation of multiple bolts, making it difficult to quickly extract the gas from the high-voltage electrical equipment for testing. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides an electrical insulating gas detection device, which effectively solves the problem that it is currently difficult to quickly extract gas from high-voltage electrical equipment for detection.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electrical insulating gas detection device, comprising a high-voltage electrical device, an optical measuring device is provided on the outside of the high-voltage electrical device, a laser is connected to the top of the optical measuring device, a detector is connected to the bottom of the optical measuring device, a data processor is provided on the outside of the high-voltage electrical device, a data transmitter is electrically connected to the data processor, an air inlet hose and an air outlet hose are symmetrically and fixedly connected on the outside of the optical measuring device, a booster pump is installed on the air inlet hose, a pressure reducing valve and a throttle valve are installed on the air outlet hose, a filtering mechanism is provided on the air outlet hose, an air inlet and an air outlet are symmetrically provided on the outside of the high-voltage electrical device, a connecting mechanism is provided on the air inlet and the air outlet, the air inlet and the air outlet are respectively connected to the two connecting mechanisms, and a sealing mechanism is provided on the connecting mechanism;

[0006] The connecting mechanism includes two connecting tubes 1 located between the high-voltage electrical equipment and the optical measuring instrument, the two connecting tubes 1 are respectively fixed on the air inlet and the air outlet, the ends of the air inlet hose and the air outlet hose close to the high-voltage electrical equipment are fixedly connected with connecting tube 2, the two connecting tubes 1 are respectively sleeved on the outside of the two connecting tubes 2, a through groove is provided on the side of the connecting tube 1 away from the high-voltage electrical equipment, and a side plate adapted to the through groove is fixedly connected to the end of the connecting tube 2 close to the high-voltage electrical equipment, the side plate abuts against the inner wall of the connecting tube 1, two positioning columns are symmetrically fixedly connected to the inner wall of the connecting tube 1, the side plate is movably sleeved on the outside of the two positioning columns, two abutting columns are symmetrically fixedly connected to the inner wall of the connecting tube 1, and the side plate abuts against the two abutting columns.

[0007] Preferably, the interior of the connecting tube one is symmetrically and fixedly connected with two inner rods, an inner ring is movably sleeved between the two inner rods, two springs one are symmetrically and fixedly connected between the side of the inner ring away from the connecting tube two and the connecting tube one, the two springs one are respectively sleeved on the outsides of the two inner rods, the inner ring is movably sleeved on the outsides of the two positioning columns, an inner plate is fixedly connected to the inner side of the inner ring, a side column is fixedly connected to the side plate away from the connecting tube two, and a ball one that fits with the inner plate is installed on one end of the side column away from the side plate.

[0008] Preferably, the sealing mechanism includes a sealing ring movably sleeved on the outside of the connecting tube 2, two limit blocks are symmetrically fixedly connected to the inner side of the sealing ring, two limit grooves are symmetrically provided on the outside of the connecting tube 2, the two limit blocks are slidingly connected to the two limit grooves respectively, and a rubber ring 1 and a rubber ring 2 are fixedly connected to the side of the sealing ring close to the connecting tube 1, the rubber ring 2 is located on the outside of the rubber ring 1, and the rubber ring 1 and the rubber ring 2 are both in contact with the connecting tube 1.

[0009] Preferably, a screw barrel is provided on the outer side of the connecting tube 2, a hand wheel is fixedly installed on the outer side of the screw barrel, a movable ring is provided between the screw barrel and the sealing ring, the movable ring is sleeved on the outer side of the connecting tube 2 and does not contact the connecting tube 2, a plurality of connecting columns are fixedly connected at equal angles between the movable ring and the screw barrel, an external thread is provided on the outer side of the connecting tube 2, and the screw barrel is threadedly sleeved on the outer side of the connecting tube 2 through the external thread.

[0010] Preferably, an annular frame is fixedly mounted on one side of the sealing ring close to the movable ring, and two balls that are in contact with the movable ring are mounted at equal angles on the inner side of the annular frame.

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

[0012] Preferably, the top of the filter box is symmetrically fixedly connected with two top blocks, the tops of the two top blocks are fixedly connected with columns, the mounting plate is located on the tops of the two top blocks, and the mounting plate is movably sleeved on the outsides of the two columns.

[0013] Preferably, a U-shaped round rod 1 is fixedly connected between the two top blocks, a slide plate is movably sleeved on the outer side of the U-shaped round rod 1, two springs are fixedly connected between the two top blocks and the slide plate, the two springs are sleeved on the outer side of the U-shaped round rod 1, an insert block is fixedly connected to the top of the slide plate, a slot is provided on the outer side of the mounting plate, and the insert block is inserted into the slot.

[0014] Preferably, the side of the slide plate away from the mounting plate is fixedly connected to a U-shaped round rod 2, the outer side of the U-shaped round rod 2 is rotatably connected to a positioning rod, both sides of the positioning rod are provided with outer rings, 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 that matches the positioning rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention facilitates the side plate to be sleeved on the outside of the two positioning columns through the cooperation between the connecting pipe 2 and the side plate, and the through groove and the abutment column. The cooperation between the side column, the ball 1 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 springs 1, and then the side plate can be limited, making it convenient to quickly connect and fix the connecting pipe 2 and the connecting pipe 1, thereby facilitating the rapid extraction of gas in the high-voltage electrical equipment into the optical measuring device for detection.

[0017] (2) The invention facilitates the movement of the movable ring by the cooperation between the connecting tube 2 and the external thread and between the screw barrel and the connecting column, and facilitates the movement of the sealing ring by the cooperation between the annular frame and the ball 2 and between the limit block and the limit groove, so that the rubber ring 2 and the rubber ring 1 can both fit with the sealing ring, thereby preventing the connecting tube 2 from moving, ensuring the firm connection between the connecting tube 1 and the connecting tube 2, and at the same time being able to seal the through groove, thereby ensuring the sealing between the connecting tube 1 and the connecting tube 2.

[0018] (3) The invention facilitates the insertion of the filter plate and the mounting frame into the filter box through the cooperation between the sealing plate and the opening, and between the mounting plate and the column, and facilitates the insertion of the insert block into the slot to fix the mounting plate to the top of the filter box through the cooperation between the slide plate and the U-shaped round rod 1, and between the spring 2 and the top block, thereby facilitating the fixing of the filter plate in the filter box to filter the gas extracted from the high-voltage electrical equipment, thereby ensuring the accuracy and reliability of the detection. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] In the attached picture:

[0021] Figure 1 It is a schematic diagram of the structure of the electrical insulating gas detection device of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the connecting mechanism of the present invention;

[0023] Figure 3 This is a schematic diagram of a cross-sectional structure of a connecting pipe according to the present invention;

[0024] Figure 4 It is a schematic diagram of the sealing mechanism structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the sealing ring structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the filtering mechanism of the present invention;

[0027] Figure 7 This is a schematic diagram of the disassembled structure of the filter box and the mounting plate of the present invention;

[0028] Figure 8 This is a schematic diagram of the structure of the skateboard of the present invention;

[0029] Fig. 9 For the present invention Figure 8 Enlarged structural diagram at A in the middle.

[0030] In the figure: 1. high voltage electrical equipment; 2. connecting mechanism; 201. connecting pipe 1; 202. connecting pipe 2; 203. through groove; 204. side plate; 205. inner rod; 206. spring 1; 207. positioning column; 208. abutting column; 209. inner ring; 2010. inner plate; 2011. ball 1; 2012. side column; 3. sealing mechanism; 301. sealing ring; 302. limiting groove; 303. connecting column; 304. screw barrel; 305. external thread; 306. hand wheel; 307. movable ring; 308. annular frame; 309. rubber ring 1; 3010. limiting block; 3011. ball 2; 3012. rubber ring 2; 4. filtering mechanism; 401. filter box; 4 02, slide plate; 403, mounting plate; 404, rubber ring three; 405, mounting frame; 406, collecting frame; 407, opening; 408, filter plate; 409, sealing plate; 4010, slot; 4011, spring two; 4012, column; 4013, plug 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 intake hose; 13, booster pump; 14, air inlet; 15, air outlet; 16, air outlet hose. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0032] Embodiment 1, by Figure 1-Figure 9 The present invention includes a high-voltage electrical device 1, an optical measuring device 11 is provided on the outside of the high-voltage electrical device 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 provided on the outside of the high-voltage electrical device 1, a data transmitter 8 is electrically connected to the data processor 9, an air intake hose 12 and an air outlet hose 16 are symmetrically fixedly connected on the outside of the optical measuring device 11, a booster pump 13 is installed on the air intake hose 12, a pressure reducing valve 5 and a throttle valve 6 are installed on the air outlet hose 16, a filter mechanism 4 is provided on the air outlet hose 16, and the high-voltage electrical device 1 is symmetrically provided with an air inlet 14 and an air outlet 15, and a connecting mechanism 2 is provided on the air inlet 14 and the air outlet 15, and an air inlet hose 12 and an air outlet hose 16 are respectively connected to the two connecting mechanisms 2, and a sealing mechanism 3 is provided on the connecting mechanism 2. The pressure reducing valve 5, the detector 7, the booster pump 13 and the laser 10 are all electrically connected to the data processor 9 for communication. The data processor 9 can control the operation of the pressure reducing valve 5, the detector 7, the booster pump 13 and the laser 10, and the gas in the optical measuring device 11 can be pressurized and charged back into the high-voltage electrical equipment 1 through the booster pump 13 to realize the recovery of the insulating gas;

[0033] First, the insulating gas in the high-voltage electrical equipment 1 passes through the pressure reducing valve 5 and the throttle valve 6 and enters the optical measuring device 11. The pressure reducing valve 5 reduces the pressure of the insulating gas. The throttle valve 6 is responsible for controlling the flow inside the optical measuring device 11. The laser 10 emits an infrared laser to form a ring-down in the optical measuring device 11. The detector 7 measures the optical ring-down signal and sends the detection data to the data processor 9. After the insulating gas passes into the optical measuring device 11, the ring-down time changes. The data processor 9 calculates the accurate ring-down time and sends the ring-down time to the data terminal through the data transmitter 8 in a wireless transmission manner for data storage and display. Finally, the detection of the insulating gas in the high-voltage electrical equipment 1 is completed.

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

[0035] First, insert the end of the connecting pipe 202 close to the high-voltage electrical equipment 1 into the connecting pipe 1 201, so that the side plate 204 passes through the through groove 203 and is located in the connecting pipe 1 201. When the ball 1 2011 abuts against the inner plate 2010, the connecting pipe 202 continues to move, pushing the inner plate 2010, and then driving the inner ring 209 to slide along the two inner rods 205. At this time, the two springs 1 206 are stretched, and then the connecting pipe 202 is rotated, driving the side plate 204 to rotate until it abuts against the two abutment columns 208. Then, the connecting pipe 202 is pulled to drive the side plate 204 to move and be sleeved on the outside of the two positioning columns 207. At the same time, the inner ring 209 slides along the two inner rods 205 and is sleeved on the outside of the two positioning columns 207 under the action of the elastic force of the two springs 1 206. In this process, the inner plate 2010 and the ball 1 2011 are tightly fitted to achieve the clamping and fixing of the side plate 204, and the connecting pipe 202 and the connecting pipe 1 201 are quickly fixed. Finally, the gas in the high-voltage electrical equipment 1 is quickly extracted and enters the optical measuring device 11 for detection.

[0036] Embodiment 3, on the basis of embodiment 1, the sealing mechanism 3 comprises a sealing ring 301 movably sleeved on the outer side of the connecting pipe 202, two limit blocks 3010 are symmetrically fixedly connected to the inner side of the sealing ring 301, two limit grooves 302 are symmetrically provided on the outer side of the connecting pipe 202, the two limit blocks 3010 are respectively slidably connected to the two limit grooves 302, a rubber ring 1 309 and a rubber ring 2 3012 are fixedly connected to the side of the sealing ring 301 close to the connecting pipe 1 201, the rubber ring 2 3012 is located on the outer side of the rubber ring 1 309, and the rubber ring 1 309 and the rubber ring 2 3012 are both in contact with the connecting pipe 1 201, and a screw thread is provided on the outer side of the connecting pipe 202. The outer side of the screw barrel 304 is fixedly provided with a hand wheel 306, a movable ring 307 is provided between the screw barrel 304 and the sealing ring 301, the movable ring 307 is sleeved on the outer side of the connecting pipe 202 and does not contact the connecting pipe 202, a plurality of connecting columns 303 are fixedly connected at equal angles between the movable ring 307 and the screw barrel 304, an external thread 305 is provided on the outer side of the connecting pipe 202, the screw barrel 304 is threadedly sleeved on the outer side of the connecting pipe 202 through the external thread 305, an annular frame 308 is fixedly provided on one side of the sealing ring 301 close to the movable ring 307, and two balls 3011 are installed at equal angles on the inner side of the annular frame 308, which are both fitted with the movable ring 307;

[0037] First, rotate the hand wheel 306 to drive the screw barrel 304 to rotate. Since the screw barrel 304 is threadedly sleeved on the outer side of the connecting pipe 202 through the external thread 305, the screw barrel 304 moves while rotating. Then, the movable ring 307 is driven to rotate and move through each connecting column 303. When the movable ring 307 abuts against each ball 2 3011, it continues to move, thereby pushing the annular frame 308 and the sealing ring 301. At the same time, the two limit blocks 3010 slide in the two limit grooves 302 respectively to ensure the stability of the sealing ring 301 when moving, until the rubber ring 2 3012 and the rubber ring 1 309 are both fitted with the connecting pipe 1 201 to prevent the connecting pipe 202 from moving, so that the connecting pipe 1 201 and the connecting pipe 2 202 are firmly connected, and the through groove 203 is blocked and sealed. Finally, the sealing between the connecting pipe 1 201 and the connecting pipe 2 202 is ensured.

[0038] Embodiment 4, on the basis of embodiment 1, the filter mechanism 4 comprises a filter box 401 fixed on the air outlet hose 16, the top of the filter box 401 is provided with an opening 407, the top of the filter box 401 is provided with a mounting plate 403, the bottom of the mounting plate 403 is fixedly installed with a rubber ring 404 and a sealing plate 409, the rubber ring 404 is fixed to the outside of the sealing plate 409 and fits with the top of the filter box 401, and the rubber ring 404 is provided to prevent gas from being discharged from the opening 407, and the sealing plate 409 is inserted into the opening 407 to seal. The bottom of the plate 409 is fixedly installed with a mounting frame 405 located in the filter box 401, and a filter plate 408 is fixedly installed on the inner side of the mounting frame 405. A collecting frame 406 is fixedly installed on the side of the mounting frame 405 close to the high-voltage electrical equipment 1. The collecting frame 406 is located on the inner bottom wall of the filter box 401. The top of the filter box 401 is symmetrically fixedly connected with two top blocks 4014. The tops of the two top blocks 4014 are fixedly connected with columns 4012. The mounting plate 403 is located on the tops of the two top blocks 4014, and the mounting plate 403 is movably sleeved. On the outside of the two columns 4012, a U-shaped round rod 1 4015 is fixedly connected between the two top blocks 4014, and a slide plate 402 is movably sleeved on the outside of the U-shaped round rod 1 4015. A spring 2 4011 is fixedly connected between the two top blocks 4014 and the slide plate 402. The two springs 2 4011 are sleeved on the outside of the U-shaped round rod 1 4015. The top of the slide plate 402 is fixedly connected with an insert block 4013. A slot 4010 is provided on the outside of the mounting plate 403. The insert block 4013 is inserted into the slot 4010, and the slide plate 402 is away from the mounting plate. A U-shaped round rod 4016 is fixedly connected to one side of the mounting plate 403, and a positioning rod 4018 is rotatably connected to the outer side of the U-shaped round rod 4016. Outer rings 4019 are provided on both sides of the positioning rod 4018. The two outer rings 4019 are fixedly sleeved on the outer side of the U-shaped round rod 4016. The positioning rod 4018 is limited by setting the two outer rings 4019 to prevent the positioning rod 4018 from moving on the U-shaped round rod 4016. A positioning groove 4017 adapted to the positioning rod 4018 is provided on the outer side of the U-shaped round rod 1 4015.

[0039] In the initial state, the positioning rod 4018 is inserted into the positioning groove 4017, and the two springs 4011 are both in a compressed state. First, the sealing plate 409 is inserted into the opening 407, and the mounting frame 405 and the filter plate 408 are both inserted into the filter box 401, and the mounting plate 403 is sleeved on the outside of the two columns 4012 until the mounting plate 403 is located on the top of the two top blocks 4014, and the rubber ring 404 is located on the top of the filter box 401, the mounting 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, and then the U-shaped round rod 4016 is pulled to remove the positioning rod 4018 from the positioning groove 4017, and the positioning rod 401 is 8 is rotated 180°, and then the U-shaped round rod 4016 is loosened. At this time, the slide plate 402 slides along the U-shaped round rod 4015 under the action of the elastic force of the two springs 4011, driving the plug block 4013 to move until it is inserted into the mounting plate 403, and 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 to ensure the accuracy and reliability of the detection, and the filtered impurities fall into the collection frame 406 for collection. When the filter plate 408 needs to be cleaned, the filter plate 408 can be removed from the filter box 401. Finally, the filter plate 408 can be cleaned and the impurities in the collection frame 406 can be processed at the same time.

Claims

1. An electrical insulating gas detection device, comprising a high voltage electrical device (1), characterized in that: An optical measuring device (11) is provided on the outside 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 provided on the outside of the high-voltage electrical equipment (1), a data transmitter (8) is electrically connected to the data processor (9), an air intake hose (12) and an air outlet hose (16) are symmetrically fixedly connected to the outside of the optical measuring device (11), and a laser (10) is installed on the air intake hose (12). A booster pump (13) is provided, a pressure reducing valve (5) and a throttle valve (6) are installed on an air outlet hose (16), a filter mechanism (4) is provided on the air outlet hose (16), an air inlet (14) and an air outlet (15) are symmetrically provided on the outer side of the high-voltage electrical equipment (1), a connecting mechanism (2) is provided on the air inlet (14) and the air outlet (15), the air inlet hose (12) and the air outlet hose (16) are respectively connected to the two connecting mechanisms (2), and a sealing mechanism (3) is provided on the connecting mechanism (2); The connection mechanism (2) comprises two connection pipes (201) located between the high-voltage electrical equipment (1) and the optical measuring device (11); the two connection pipes (201) are respectively fixed to the air inlet (14) and the air outlet (15); the ends of the air inlet hose (12) and the air outlet hose (16) close to the high-voltage electrical equipment (1) are both fixedly connected to the connection pipe (202); the two connection pipes (201) are respectively sleeved on the outside of the two connection pipes (202); and a through groove (202) is provided on the side of the connection pipe (201) away from the high-voltage electrical equipment (1). 203), one end of the connecting pipe 2 (202) close to the high-voltage electrical equipment (1) is fixedly connected with a side plate (204) adapted to the through groove (203), the side plate (204) abuts against the inner wall of the connecting pipe 1 (201), two positioning columns (207) are symmetrically fixedly connected to the inner wall of the connecting pipe 1 (201), the side plate (204) is movably sleeved on the outside of the two positioning columns (207), two abutting columns (208) are symmetrically fixedly connected to the inner wall of the connecting pipe 1 (201), and the side plate (204) abuts against the two abutting columns (208).

2. An electrical insulating gas detection device according to claim 1, characterized in that: Two inner rods (205) are symmetrically fixedly connected inside the connecting tube (201), an inner ring (209) is movably sleeved between the two inner rods (205), two springs (206) are symmetrically fixedly connected between the side of the inner ring (209) away from the connecting tube (202) and the connecting tube (201), the two springs (206) are sleeved on the outsides of the two inner rods (205) respectively, the inner ring (209) is movably sleeved on the outsides of the two positioning columns (207), an inner plate (2010) is fixedly connected to the inner side of the inner ring (209), a side column (2012) is fixedly connected to the side of the side plate (204) away from the connecting tube (202), and a ball (2011) that fits the inner plate (2010) is installed at one end of the side column (2012) away from the side plate (204) 3. An electrical insulating gas detection device according to claim 1, characterized in that: The sealing mechanism (3) comprises a sealing ring (301) movably sleeved on the outer side of the second connecting pipe (202); two limit blocks (3010) are symmetrically fixedly connected to the inner side of the sealing ring (301); two limit grooves (302) are symmetrically provided on the outer side of the second connecting pipe (202); the two limit blocks (3010) are respectively slidably connected to the two limit grooves (302); a rubber ring (309) and a rubber ring (3012) are fixedly connected to the side of the sealing ring (301) close to the first connecting pipe (201); the rubber ring (3012) is located on the outer side of the rubber ring (309); and the rubber ring (309) and the rubber ring (3012) are both in contact with the first connecting pipe (201).

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

5. The electrical insulating gas detection device according to claim 3, characterized in that: A ring frame (308) is fixedly mounted on one side of the sealing ring (301) close to the movable ring (307), and two balls (3011) are mounted at equal angles on the inner side of the ring frame (308) and are in contact with the movable ring (307).

6. The electrical insulating gas detection device according to claim 1, characterized in that: The filtering mechanism (4) comprises a filtering box (401) fixed on the air outlet hose (16); an opening (407) is provided at the top of the filtering box (401); a mounting plate (403) is provided above the filtering box (401); a rubber ring (404) and a sealing plate (409) are fixedly mounted at the bottom of the mounting plate (403); the rubber ring (404) is fixed to the outside of the sealing plate (409) and fits with the top of the filtering box (401); the sealing plate (409) is inserted into the opening (407); a mounting frame (405) located in the filtering box (401) is fixedly mounted at the bottom of the sealing plate (409); a filter plate (408) is fixedly mounted on the inside of the mounting frame (405); a collecting frame (406) is fixedly mounted on a side of the mounting frame (405) close to the high-voltage electrical equipment (1); and the collecting frame (406) is located on the inner bottom wall of the filtering box (401).

7. An electrical insulating gas detection device according to claim 6, characterized in that: The top of the filter box (401) is symmetrically fixedly connected to two top blocks (4014), the tops of the two top blocks (4014) are both fixedly connected to columns (4012), the mounting plate (403) is located on the tops of the two top blocks (4014), and the mounting plate (403) is movably sleeved on the outsides of the two columns (4012).

8. An electrical insulating gas detection device according to claim 7, characterized in that: A U-shaped round rod 1 (4015) is fixedly connected between the two top blocks (4014), a slide plate (402) is movably sleeved on the outer side of the U-shaped round rod 1 (4015), a spring 2 (4011) is fixedly connected between the two top blocks (4014) and the slide plate (402), the two springs 2 (4011) are sleeved on the outer side of the U-shaped round rod 1 (4015), an insert block (4013) is fixedly connected to the top of the slide plate (402), a slot (4010) is provided on the outer side of the mounting plate (403), and the insert block (4013) is inserted into the slot (4010).

9. An electrical insulating gas detection device according to claim 8, characterized in that: The slide plate (402) is fixedly connected to a U-shaped round rod (4016) on one side away from the mounting plate (403); a positioning rod (4018) is rotatably connected to the outer side of the U-shaped round rod (4016); outer rings (4019) are provided on both sides of the positioning rod (4018); the two outer rings (4019) are fixedly sleeved on the outer side of the U-shaped round rod (4016); and a positioning groove (4017) adapted to the positioning rod (4018) is provided on the outer side of the U-shaped round rod (4015).

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