A portable online monitoring device for SF6 decomposition products

Abstract

The present invention discloses a convenient online monitoring device for SF6 decomposition products. A monitor is installed inside a fixed installation box, one end of the monitor is penetrated and connected with an air inlet fan, one end of the air inlet fan is penetrated and connected with an air inlet pipe, one end of the air inlet pipe is embedded with a flow limiting valve, the other end of the monitor is penetrated and connected with a return pipe, a drying mesh cage is installed inside a treatment fixed barrel, one end of the treatment fixed barrel is penetrated and connected with an isolation mesh box, one end of the return pipe is threadedly connected with a guide pipe, and the gas is dried by a silica gel desiccant in the drying mesh cage, so that the cleanliness and dryness of the gas can be guaranteed during monitoring, and the influence of impurities and water vapor on the monitoring structure can be avoided. At the same time, the equipment can be quickly operated during maintenance and replacement, and a gas circulation is formed through the top air intake and the bottom air outlet, thereby driving the overall gas to be detected, and ensuring the accuracy of the monitoring result.

Description

Technical Field

[0001] The present invention relates to the technical field of gas monitoring, and in particular to a portable online monitoring device for SF6 decomposition products. Background Art

[0002] Sulfur hexafluoride is a man-made inert gas that is colorless, odorless, slightly soluble in water, and has stable chemical properties. Sulfur hexafluoride has good electrical insulation properties and excellent arc extinguishing properties, and is widely used in gas insulation of electronic and electrical equipment. The SF6 decomposition product tester is an instrument used for fault location, routine testing, partial discharge monitoring, gas purification, filtration monitoring, faulty high-voltage contact inspection, SF6 decomposition product detection, and inspection of the generation of decomposition products in switches. SF6 decomposition product testers are generally used for monitoring in electrical equipment.

[0003] However, natural air inlet and outlet monitoring is generally used during monitoring, which is easily affected by the location during monitoring, and is also easily affected by internal impurities and water vapor during monitoring, resulting in errors in the monitoring results. Summary of the invention

[0004] The present invention provides a convenient online monitoring device for SF6 decomposition products, which can effectively solve the problem mentioned in the above background technology that natural inlet and outlet gas monitoring is generally used during monitoring, which is easily affected by the position during monitoring, and is also easily affected by internal impurities and water vapor during monitoring, resulting in errors in the monitoring results.

[0005] To achieve the above object, the present invention provides the following technical solutions: a portable online monitoring device for SF decomposition products, comprising a fixed installation box, a detection component is installed on one side of the fixed installation box, and the detection component includes a monitor, an air inlet fan, an air inlet pipe, a flow limiting valve, a return pipe, a treatment fixed barrel, a drying mesh cage, an isolation mesh box, a guide pipe, a clamping fixed block, a reset spring and a clamping fixed plate;

[0006] A monitor is installed on the inside of the fixed installation box, one end of the monitor is penetrated by an air intake fan, one end of the air intake fan is clamped with an air intake pipe, one end of the air intake pipe is embedded with a limiting flow valve, the other end of the monitor is penetrated by a return pipe, one end of the air intake pipe is threadedly connected to a treatment fixed barrel, a drying mesh cage is installed on the inside of the treatment fixed barrel, one end of the treatment fixed barrel is clamped with an isolation mesh box, one end of the return pipe is threadedly connected to a guide pipe, a plurality of clamping fixing blocks are equidistantly welded on one end of the fixed installation box, reset springs are installed on both sides of one end of the clamping fixing block, and a clamping fixing plate is welded to one end of the reset spring.

[0007] According to the above technical solution, the air inlet pipe and the return pipe are both sleeved and installed on the side end of the fixed installation box, the input ends of the monitor, the air inlet fan and the current limiting valve are electrically connected to the output end of the external controller, the input end of the external controller is electrically connected to the output end of the external power supply, and the signal output end of the monitor is electrically connected to the signal input end of the external controller.

[0008] According to the above technical solution, the longitudinal section of the isolation net box is T-shaped, and the clamping fixing plate is rotatably installed on the side end of the clamping fixing block.

[0009] According to the above technical solution, a combination assembly is installed on one side of the fixed installation box, and the combination assembly includes a fixed installation block, a combination fixed block, a combination fixed groove, a movable groove, a clamping spring, a clamping movable frame, a movable rod and an inner hole limit block;

[0010] A fixed mounting block is welded at one end of the fixed mounting box, a combined fixed block is sleeved on the side end of the fixed mounting block, a combined fixed groove is opened at one end of the combined fixed block corresponding to the position of the fixed mounting block, a movable groove is opened at one end of the fixed mounting block, a plurality of clamping springs are welded at one end of the movable groove at equal distances, a plurality of clamping springs are welded at one end to a clamping movable frame, a movable rod is welded at one end of the clamping movable frame, and an inner hole limit block is welded at one end of the fixed mounting box corresponding to the position of the movable rod.

[0011] According to the above technical solution, the fixed installation block is inserted and installed inside the combined fixing groove, and the longitudinal sections of the fixed installation block and the combined fixing groove are cross-shaped.

[0012] According to the above technical solution, the clamping movable frame is slidably installed on the inner side of the movable groove, and the movable rod is penetrated and installed on the side end of the inner hole limit block.

[0013] According to the above technical solution, the internal equipment of the monitoring instrument includes a data processing module, a data storage module, a data comparison module and a cloud processing module;

[0014] The data processing module is used to compare and process the data received by the monitor, to know the accuracy of the online monitoring data, to find out whether it meets the environmental requirements of the site, to submit the data according to the settings, and to change the standards according to the site requirements;

[0015] The data storage module is used to store the test data and save the required amount of data according to the set requirements, and to compare and save the site and the data at the same time, and generate a data graph;

[0016] The data comparison module is used to compare the data according to the time, selection, and environment option settings, and based on the data comparison, it is determined whether the data of the on-site environment has a large difference change, and the error and difference data are obtained;

[0017] The cloud processing module is used to save the data in the cloud and upload it to a set account, while also backing it up internally and performing GPS positioning on site for the data.

[0018] According to the above technical solution, there are two data processing modules, including a main module and a backup module. When an error occurs during individual processing, the backup module automatically switches to calculate the data and restarts the main module at the same time. After the next power outage, the main module is restarted.

[0019] According to the above technical solution, the data storage module is a data hard disk and a data storage card, which can be replaced autonomously according to the needs of the operator, and the data can be automatically deleted at the same time. The set time is 7-30 days. After the set time is reached, the data is automatically deleted, and the operator is reminded at the same time. The data is deleted after the operator agrees.

[0020] According to the above technical solution, the cloud processing module and the data comparison module are directly connected when the data can be transmitted, and the data is pre-judged at the same time. When the data comparison module calculates the data with the same pattern multiple times, the cloud processing module directly pre-calculates the data through the server in the cloud.

[0021] Compared with the prior art, the present invention has the following beneficial effects: the present invention has a scientific and reasonable structure and is safe and convenient to use:

[0022] 1. A detection component is provided. The air inlet pipe and the return pipe are inserted into the inner side of the electric box. The processing fixed barrel is connected to the air inlet pipe, and the guide pipe is connected to the return pipe through threads. The gas inside the electric box is extracted by the air inlet fan. The gas passes through the isolation mesh box inside the processing fixed barrel to filter and block impurities, and the gas is dried by the silica gel desiccant in the drying mesh cage. This ensures the cleanliness and dryness of the gas during monitoring, and prevents impurities and water vapor from affecting the monitoring structure. At the same time, the equipment can be quickly maintained and replaced. A gas circulation is formed through the air intake at the top and the air outlet at the bottom, thereby driving the overall gas for detection and ensuring the accuracy of the monitoring results.

[0023] 2. A combined assembly is provided, the combined fixed block is welded to the side end of the electric box, the fixed installation block is inserted into the inner side of the combined fixed groove, and the clamping movable frame is driven by the clamping spring to be inserted along the movable rod and the movable groove and connected between the combined fixed block and the fixed installation block, thereby completing the fixed limit of the fixed installation box, and installing it to the side end of the monitored equipment, so that the monitoring equipment can be quickly maintained and replaced.

[0024] 3. Data can be submitted according to the settings, and the standards can be changed according to site requirements. At the same time, the required amount of data can be saved according to the set requirements. The site and data can be compared and saved at the same time, and data graphs can be generated, which can greatly shorten the required processing time. Secondly, the cloud processing module and the data comparison module are directly connected when the data can be transmitted, and the data is pre-judged at the same time. When the data comparison module calculates the data with the same rules multiple times, the cloud processing module directly pre-calculates the data through the server in the cloud, which greatly shortens the data and reduces the computing pressure inside the detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the online monitoring device for SF6 decomposition products provided in an embodiment of the present invention;

[0027] Figure 2 is a schematic diagram of the structure of a detection component provided by an embodiment of the present invention;

[0028] Figure 3 It is a schematic diagram of the installation structure of a drying net cage provided by an embodiment of the present invention;

[0029] Figure 4 is a schematic diagram of the structure of a combination component provided by an embodiment of the present invention;

[0030] Figure 5 is a schematic diagram of the system structure of a monitoring instrument provided by an embodiment of the present invention;

[0031] In the figure: 1 fixed installation box; 2 detection component; 201 monitor; 202 air intake fan; 203 air intake pipe; 204 flow limiting valve; 205 return pipe; 206 treatment fixed barrel; 207 drying mesh cage; 208 isolation mesh box; 209 guide pipe; 210 clamping fixed block; 211 return spring; 212 clamping fixed plate; 3 combination component; 301 fixed installation block; 302 combination fixed block; 303 combination fixed slot; 304 moving slot; 305 clamping spring; 306 clamping moving frame; 307 moving rod; 308 inner hole limit block. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0033] like Figure 1-5 As shown, this embodiment provides a portable online monitoring device for SF6 decomposition products, including a fixed installation box 1, a detection component 2 is installed on one side of the fixed installation box 1, and the detection component 2 includes a monitor 201, an air inlet fan 202, an air inlet pipe 203, a flow limiting valve 204, a return pipe 205, a treatment fixed barrel 206, a drying mesh cage 207, an isolation mesh box 208, a guide pipe 209, a clamping fixed block 210, a reset spring 211 and a clamping fixed plate 212.

[0034] A monitor 201 is installed inside the fixed installation box 1. By way of example, the monitor 201 may be a KGZH-VIISF6 gas comprehensive tester.

[0035] According to the above technical solution, the internal devices of the monitoring instrument 201 include a data processing module, a data storage module, a data comparison module and a cloud processing module.

[0036] Among them, the data processing module is used to compare and process the data received inside the monitor 201, to know the accuracy of its online monitoring data, and to determine whether it meets the environmental requirements of the site. The data can be submitted according to the settings, and the standards can be changed according to the site requirements.

[0037] The data saving module is used to save the test data and save the required amount of data according to the set requirements. It also compares and saves the site and data at the same time and generates a data graph.

[0038] The data comparison module is used to compare data according to the option settings of time, selection, and environment. At the same time, based on the data comparison, it is determined whether the data of the on-site environment has a large difference and the error and difference data are obtained.

[0039] The cloud processing module is used to save data in the cloud and upload it to a set account. It also performs internal backup and performs GPS positioning on site.

[0040] As a preferred example, there are two data processing modules, including a main module and a backup module. When an error occurs during individual processing, the backup module automatically switches to calculate the data and restarts the main module at the same time. After the next power outage, the main module is restarted.

[0041] At the same time, the data storage module consists of a data hard disk and a data storage card. They can be replaced autonomously according to the needs of the operator and automatically delete the data. The set time is 7-30 days. After the set time is reached, the data is automatically deleted and the operator is reminded. The data is deleted after the operator agrees.

[0042] In addition, the cloud processing module and the data comparison module are directly connected when the data can be transmitted, and the data is pre-judged at the same time. When the data comparison module calculates the data with the same pattern multiple times, the cloud processing module directly pre-calculates the data through the server in the cloud.

[0043] One end of the monitor 201 is penetrated and connected with an air inlet fan 202, and one end of the air inlet fan 202 is clamped with an air inlet pipe 203. One end of the air inlet pipe 203 is embedded with a flow limiting valve 204. The other end of the monitor 201 is penetrated and connected with a return pipe 205. The air inlet pipe 203 and the return pipe 205 are both sleeved and installed on the side end of the fixed installation box 1, so that they can be effectively limited when fixedly supported. One end of the air inlet pipe 203 is connected with a treatment fixed barrel 206 through a thread, and a drying net cage 207 is installed inside the treatment fixed barrel 206. One end of the treatment fixed barrel 206 is clamped with an isolation net box 208. The longitudinal section of the isolation net box 208 is T-shaped, which is convenient for fixed limit. The return pipe 205 One end is connected with a guide tube 209 by a thread, and one end of the fixed installation box 1 is welded with a plurality of clamping fixing blocks 210 at equal intervals. Reset springs 211 are installed on both sides of one end of the clamping fixing block 210, and a clamping fixing plate 212 is welded at one end of the reset spring 211. The clamping fixing plate 212 is rotatably installed with the side end of the clamping fixing block 210, so that effective directional support can be provided when clamping and limiting. The input ends of the monitor 201, the air intake fan 202 and the flow limiting valve 204 are electrically connected to the output end of the external controller, the input end of the external controller is electrically connected to the output end of the external power supply, and the signal output end of the monitor 201 is electrically connected to the signal input end of the external controller.

[0044] A combination component 3 is installed on one side of the fixed installation box 1, and the combination component 3 includes a fixed installation block 301, a combination fixed block 302, a combination fixed groove 303, a movable groove 304, a clamping spring 305, a clamping movable frame 306, a movable rod 307 and an inner hole limit block 308.

[0045] A fixed installation block 301 is welded at one end of the fixed installation box 1, and a combined fixing block 302 is sleeved on the side end of the fixed installation block 301. A combined fixing groove 303 is opened at one end of the combined fixing block 302 corresponding to the position of the fixed installation block 301. The fixed installation block 301 is inserted and installed inside the combined fixing groove 303. The longitudinal sections of the fixed installation block 301 and the combined fixing groove 303 are cross-shaped, so that they can be effectively positioned when combined and connected, ensuring the effect of limited fixing. A movable groove 303 is opened at one end of the fixed installation block 301 04, a plurality of clamping springs 305 are welded at equal distances at one end of the movable groove 304, a clamping movable frame 306 is welded at one end of the plurality of clamping springs 305, the clamping movable frame 306 is slidably installed on the inner side of the movable groove 304, so that it can be effectively limited and supported during movement, a movable rod 307 is welded at one end of the clamping movable frame 306, an inner hole limit block 308 is welded at one end of the fixed installation box 1 at the position corresponding to the movable rod 307, and the movable rod 307 is installed through the side end of the inner hole limit block 308 for easy guiding support.

[0046] The working principle and use process of the equipment are specifically as follows: weld the combined fixing block 302 to the side end of the electrical box, insert the fixed installation block 301 into the inner side of the combined fixing groove 303, pull the clamping movable frame 306 to move the clamping movable frame 306 to the inner side of the movable groove 304, and after the fixed installation block 301 is clamped, the moving rod 307 pushes the clamping movable frame 306 along the inner hole limit block 308 and is inserted and clamped between the combined fixing block 302 and the fixed installation block 301 along the movable groove 304 under the support and reset of the clamping spring 305, thereby completing the fixed limit of the fixed installation box 1 and installing it to the side end of the monitored equipment.

[0047] Insert the air inlet pipe 203 and the return pipe 205 into the inner side of the electric box, connect the treatment fixed barrel 206 to the air inlet pipe 203 through threads, and fix the guide pipe 209 to the return pipe 205 through threads. The gas inside the electric box is extracted through the air inlet fan 202, and the gas passes through the isolation net box 208 inside the treatment fixed barrel 206 to filter out impurities, and the gas is dried by the silica gel desiccant in the drying net cage 207. The gas passes through the treatment fixed barrel 206 and the air inlet pipe 203 and enters the position of the monitor 201. The flow valve 204 controls the flow of the incoming air, and the gas is analyzed and monitored by the monitor 201, and the return pipe 205 and the guide pipe 209 are discharged to the top of the electric box. The gas is taken in at the top and discharged at the bottom to form a gas circulation, thereby driving the overall gas to be detected to ensure the accuracy of the monitoring results. The inlet pipe 203 and the return pipe 205 are attached to the side end of the clamping fixing block 210, and the reset spring 211 drives the clamping fixing plate 212 to rotate and fit to the side ends of the inlet pipe 203 and the return pipe 205, thereby achieving clamping and fixing of the pipeline.

[0048] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable online monitoring device for SF6 decomposition products, including a fixed installation box, characterized in that: A detection assembly is installed on one side of the fixed installation box, and the detection assembly includes a monitor, an air intake fan, an air intake pipe, a flow limiting valve, a return pipe, a processing fixed barrel, a drying mesh cage, an isolation mesh box, a guide pipe, a clamping fixed block, a reset spring and a clamping fixed plate; A monitor is installed inside the fixed installation box, one end of the monitor is penetrated and connected with an air intake fan, one end of the air intake fan is clamped with an air intake pipe, one end of the air intake pipe is embedded with a flow limiting valve, the other end of the monitor is penetrated and connected with a return pipe, one end of the air intake pipe is threadedly connected to a treatment fixed barrel, a drying net cage is installed inside the treatment fixed barrel, one end of the treatment fixed barrel is clamped with an isolation net box, one end of the return pipe is threadedly connected to a guide pipe, a plurality of clamping and fixing blocks are equidistantly welded at one end of the fixed installation box, reset springs are installed on both sides of one end of the clamping and fixing block, and a clamping and fixing plate is welded to one end of the reset spring; A combination assembly is installed on one side of the fixed installation box, and the combination assembly includes a fixed installation block, a combined fixed block, a combined fixed slot, a movable slot, a clamping spring, a clamping movable frame, a movable rod and an inner hole limit block; A fixed installation block is welded at one end of the fixed installation box, a combined fixed block is sleeved at the side end of the fixed installation block, a combined fixed groove is opened at one end of the combined fixed block corresponding to the position of the fixed installation block, a moving groove is opened at one end of the fixed installation block, a plurality of clamping springs are welded at one end of the moving groove at equal distances, a plurality of clamping springs are welded at one end of the clamping moving frame, a moving rod is welded at one end of the clamping moving frame, and an inner hole limit block is welded at one end of the fixed installation box corresponding to the position of the moving rod; The fixed installation block is inserted and installed inside the combined fixing groove, and the longitudinal sections of the fixed installation block and the combined fixing groove are cross-shaped; The clamping movable frame is slidably installed on the inner side of the movable groove, and the movable rod is penetrated and installed on the side end of the inner hole limit block.

2. A portable online monitoring device for SF6 decomposition products according to claim 1, characterized in that: The air inlet pipe and the return pipe are both sleeved and installed on the side end of the fixed installation box, the input ends of the monitor, the air inlet fan and the flow limiting valve are electrically connected to the output end of the external controller, the input end of the external controller is electrically connected to the output end of the external power supply, and the signal output end of the monitor is electrically connected to the signal input end of the external controller.

3. A portable online monitoring device for SF6 decomposition products according to claim 1, characterized in that: The longitudinal section of the isolation net box is T-shaped, and the clamping fixing plate is rotatably mounted on the side end of the clamping fixing block.

4. A portable online monitoring device for SF6 decomposition products according to claim 1, characterized in that: The internal equipment of the monitoring instrument includes a data processing module, a data storage module, a data comparison module and a cloud processing module; The data processing module is used to compare and process the data received by the monitor to obtain the accuracy of the online monitoring data and determine whether it meets the environmental requirements of the site; The data storage module is used to store the test data and save the required amount of data according to the set requirements, and to compare and save the site and the data at the same time, and generate a data graph; The data comparison module is used to compare the data according to the time, selection, and environment option settings, and based on the data comparison, it is determined whether the data of the on-site environment has a large difference change, and the error and difference data are obtained; The cloud processing module is used to save the data in the cloud and upload it to a set account, while also backing it up internally and performing GPS positioning on site for the data.

5. A portable online monitoring device for SF6 decomposition products according to claim 4, characterized in that: There are two data processing modules, including a main module and a backup module. When an error occurs during individual processing, the backup module automatically switches to calculate the data and restarts the main module. After the next power outage, the main module is restarted.

6. A portable online monitoring device for SF6 decomposition products according to claim 4, characterized in that: The data storage module is a data hard disk and a data storage card, which can be replaced autonomously according to the needs of the operator, and the data can be automatically deleted at the same time. The set time is 7-30 days. After the set time is reached, the data is automatically deleted, and the operator is reminded at the same time. The data is deleted after the operator agrees.

7. A portable online monitoring device for SF6 decomposition products according to claim 4, characterized in that: The cloud processing module and the data comparison module are directly connected when the data can be transmitted, and the data is pre-judged at the same time. When the data comparison module calculates the data with the same pattern multiple times, the cloud processing module directly pre-calculates the data through the server in the cloud.

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