CN117825881A - For SF 6 Infrared thermal imaging detector for gas detection - Google Patents
For SF 6 Infrared thermal imaging detector for gas detection Download PDFInfo
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- CN117825881A CN117825881A CN202311619692.3A CN202311619692A CN117825881A CN 117825881 A CN117825881 A CN 117825881A CN 202311619692 A CN202311619692 A CN 202311619692A CN 117825881 A CN117825881 A CN 117825881A
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000001931 thermography Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000006698 induction Effects 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 claims 4
- 229910018503 SF6 Inorganic materials 0.000 abstract description 12
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 abstract description 12
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 229960000909 sulfur hexafluoride Drugs 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The invention discloses a method for SF 6 The infrared thermal imaging detector for gas detection comprises a conveying track, a moving vehicle, a rotary mounting plate, a sample box, a sampling tube and SF 6 The system comprises a gas infrared sensor, an imaging system and a wireless transmission module. The invention is used for SF 6 Infrared thermal imaging detector for gas detection, and SF can be realized 6 And (5) monitoring the gas leakage condition on line in real time. The on-line inspection can be performed on a plurality of position points, the utilization efficiency of equipment is improved, and the cost is reduced. SF (sulfur hexafluoride) 6 Non-fixed installation of gas infrared sensor, SF reduction 6 The gas leakage affects the equipment, and the service life of the detector is prolonged.
Description
Technical Field
The invention belongs to the technical field of gas detection, and in particular relates to a gas sensor for SF 6 Infrared thermal imaging detection for gas detectionAnd (3) a device.
Background
SF 6 Gas is a gas insulating material commonly applied to the power industry, and is used as an insulating medium for equipment such as high-voltage switch cabinets, circuit breakers, transformers and the like due to the insulating property and the arc extinguishing capability of the gas insulating material. However, SF 6 Can decompose and produce toxic and harmful gas when in high temperature and electric arc action, and has influence on human health and equipment operation. In addition, SF 6 Leakage of gas can also lead to reduced insulation properties of the device, and in severe cases can lead to damage to the device or even accidents. Thus, to SF 6 The real-time on-line monitoring of the gas has important significance.
At present, SF 6 The on-line monitoring system is widely applied to various links in the power industry, such as a substation, a power line, a switch cabinet and the like, and realizes SF (sulfur hexafluoride) on the power line 6 And the gas concentration is monitored in real time, leakage is found in time, and corresponding measures are taken, so that the safe and stable operation of the power equipment is ensured. SF can be realized by using an infrared thermal imaging detector 6 On-line monitoring imaging, on-line monitoring of leakage. But once SF occurs 6 The infrared thermal imaging detector is also easy to be subjected to SF in the monitoring process due to gas leakage 6 The gas affects, so that the monitoring effect is reduced, and even damage to the infrared thermal imaging detector is caused. Meanwhile, the existing infrared thermal imaging detector is fixedly installed, only a designated area can be monitored in real time, and SF is used in places such as a substation 6 The number of devices of the gas is large, the positions of the devices are dispersed, and therefore a plurality of infrared thermal imaging detectors are required to be configured for simultaneous monitoring, and the infrared thermal imaging detectors are high in equipment cost and low in utilization efficiency.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: for SF 6 The infrared thermal imaging detector for gas detection comprises a conveying track, a moving vehicle, a rotary mounting plate, a sample box, a sampling tube and SF 6 The gas infrared sensor, the imaging system and the wireless transmission module are arranged on the conveying track, and the moving vehicle is driven on the conveying track through a moving driving device arranged on the moving vehicleThe device comprises a movable trolley, a rotary mounting plate, a rotary driving mechanism, a sampling tube, a control valve, a movable hole, a sealing filler, an SF (sulfur hexafluoride) and a sealing filler, wherein the rotary mounting plate is rotatably mounted on the movable trolley, the rotary mounting plate is driven to rotate by the rotary driving mechanism, the sampling tube is fixedly mounted on the rotary mounting plate, the sample chamber is internally provided with the sample chamber, a piston is arranged in the sample chamber, the middle part of one end of the piston is connected with the screw rod, the sample chamber is provided with the through hole for the screw rod to movably pass through, the screw rod is connected with the gear through the through hole in a threaded manner, the gear is rotatably mounted on the sample chamber, the gear is driven to rotate by the rotary driving mechanism, the other end of the piston is connected with the sampling tube, the sampling tube is connected with the control valve, the sample chamber is provided with the movable hole for the sampling tube to stretch out, and the sealing filler is mounted in the movable hole 6 The gas infrared sensor is arranged on the sample box, SF 6 The SF6 gas infrared sensor comprises a detection lens, a detection port for the detection lens to extend into the sample chamber is arranged on the sample box, and the SF6 gas infrared sensor is connected with the imaging system through a wireless transmission module.
As the preference of above-mentioned technical scheme, be located the indoor one end of sample on the sampling tube and be connected with the baffle, the piston is connected through a plurality of bracing pieces all around to the baffle, the middle part of baffle is equipped with the opening, the middle part of piston is equipped with the centre bore, the movable rod has been inserted to the centre bore internalization, the one end fixed connection screw of movable rod, the other end is connected with a plurality of supporting springs all around, supporting spring is connected with movable cover plate, be equipped with the hang tube between movable cover plate and the baffle, the one end of hang tube is equipped with the incision that parallels with movable cover plate, the other end and baffle fixed connection and inside through opening intercommunication sampling tube, the incision staggers each other with movable cover plate's middle part.
As the optimization of the technical scheme, the movable rod is provided with the limiting piece, and the piston is positioned between the screw rod and the limiting piece.
As the optimization of the technical scheme, the conveying track is provided with a plurality of detection nodes, the detection nodes are provided with induction plates, and the mobile vehicle is provided with an inductor for inducing the induction plates.
As the preferable choice of the technical proposal, the conveying track is provided with a bare conductor, the trolley is provided with an electric brush, the electric brush is connected with the bare conductor, and the movable driving device and the rotary driving deviceMechanism, rotation driving mechanism and SF 6 The gas infrared sensor and the wireless transmission module are respectively connected with the electric brush to supply power.
As the optimization of the technical scheme, the mobile driving device comprises a mobile motor, a driving shaft of the mobile motor is connected with a transmission gear, a rack is fixedly connected to a conveying track, and the transmission gear is meshed with the rack; the rotary driving mechanism comprises a rotary motor, the rotary motor is fixedly arranged on the sample box, and a driving shaft of the rotary motor drives a gear to rotate; the rotary driving mechanism comprises a rotary motor, the rotary motor is fixedly arranged on the mobile vehicle, and a driving shaft of the rotary motor is connected with the rotary mounting plate.
The beneficial effects of the invention are as follows: the invention is used for SF 6 Infrared thermal imaging detector for gas detection, and SF can be realized 6 And (5) monitoring the gas leakage condition on line in real time. The on-line inspection can be performed on a plurality of position points, the utilization efficiency of equipment is improved, and the cost is reduced. SF (sulfur hexafluoride) 6 Non-fixed installation of gas infrared sensor, SF reduction 6 The gas leakage affects the equipment, and the service life of the detector is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a part of the structure of the present invention at another angle.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-2, for SF 6 The infrared thermal imaging detector for gas detection comprises a conveying track 1, a moving vehicle 2, a rotary mounting plate 3, a sample box 4, a sampling tube 5, an SF6 gas infrared sensor 6, an imaging system and a wireless transmission module, wherein the moving vehicle 2 is mounted on the conveying track 1, the moving vehicle 2 is driven to move on the conveying track 1 by a moving driving device mounted on the moving vehicle 2, the rotary mounting plate 3 is rotatably mounted on the moving vehicle 2, the rotary mounting plate 3 is driven to rotate by a rotary driving mechanism, the sample box 4 is fixedly mounted on the rotary mounting plate 3, a sample chamber 7 is arranged in the sample box 4, a piston 8 is arranged in the sample chamber 7, one end middle part of the piston 8 is connected with a screw 9, a through hole 10 for the screw 9 to movably pass through is arranged on the sample box 4, the screw 9 passes through the through hole 10 and is connected with a gear 11, the gear 11 is rotatably mounted on the sample box 4, the other end of the piston 8 is connected with the sampling tube 5, a movable hole 13 for the sampling tube 5 to stretch out is arranged on the sample box 4, a sealing filler is mounted in the movable hole 13, the SF6 gas infrared sensor 6 is mounted on the sample box 4, and the sample is mounted on the sample box 4 6 The gas infrared sensor 6 comprises a detection lens 14, a detection port 15 for the detection lens 14 to extend into the sample chamber 7 is arranged on the sample box 4, and the SF6 gas infrared sensor 6 transmits wirelesslyThe transmission module is connected with the imaging system. After the conveying track 1 passes through equipment to be detected, when the moving vehicle 2 moves to the position of the equipment to be detected, the moving vehicle 2 is stationary, the rotary mounting plate 3 rotates, then the sampling tube 5 extends to the point to be detected, and the gas at the point to be detected is extracted for utilization. SF (sulfur hexafluoride) 6 The gas infrared sensor 6 detects the gas in the sample chamber 7 to determine whether SF is present 6 And (5) gas leakage. After the detection is completed, the piston 8 moves reversely, and the gas in the sample chamber 7 is discharged. The mobile vehicle 2 moves to the next device to be detected for detection. The detection result of the SF6 gas infrared sensor 6 is transmitted to the imaging system for imaging through the wireless transmission module, so that an observer can observe the monitoring result in a long distance.
Further, one end of the sampling tube 5 located in the sample chamber 7 is connected with a baffle 16, the periphery of the baffle 16 is connected with a piston 8 through a plurality of support rods 17, an opening is formed in the middle of the baffle 16, a central hole is formed in the middle of the piston 8, a movable rod 18 is movably inserted in the central hole, one end of the movable rod 18 is fixedly connected with a screw rod 9, a plurality of support springs 19 are connected around the other end of the movable rod, the support springs 19 are connected with a movable cover plate 30, an inclined tube is arranged between the movable cover plate 30 and the baffle 16, one end of the inclined tube 31 is provided with a notch 32 parallel to the movable cover plate 30, the other end of the inclined tube is fixedly connected with the baffle 16 and is communicated with the inside of the sampling tube 5 through the opening, and the notch 32 is staggered with the middle of the movable cover plate 30. The movable rod 18 is provided with a limiting piece 20, and the piston is positioned between the screw and the limiting piece 20. When the piston 8 moves towards the movable hole 13, the screw 9 abuts against the piston 8, and the movable cover 30 abuts against the inclined tube 31. Since the inclined tube 31 does not act on the middle of the movable cover 30, the support spring 19 is deformed to some extent, and the movable cover 30 is inclined so as not to cover the slit 32. So that the gas in the sample chamber 7 can be discharged through the sampling tube 5. When the piston 8 moves in the direction of the through hole 10, the screw 9 pulls the piston 8 to move, and the limit piece 20 acts on the piston 8. The flap 30 leaves the cutout 32 due to the insufficient length of the support spring 19. The gas to be measured is sucked into the sample chamber 7 by the sampling tube 5 by using the internal and external pressure difference. When the piston 8 is closest to the through hole 10, the screw 9 is moved in the opposite direction a distance such that the movable cover plate 30 covers the slit 32 and the sample gas in the sample chamber 7 does not leak out.
Further, a plurality of detection nodes are arranged on the conveying track 1, an induction plate is arranged at the detection nodes, and an inductor for inducing the induction plate is arranged on the moving vehicle 2. The mobile vehicle 2 can stop sampling detection at a designated point.
Further, a bare conductor is installed on the conveying track 1, an electric brush is installed on the moving vehicle 2 and connected with the bare conductor, and the moving driving device, the rotary driving mechanism, the SF6 gas infrared sensor 6 and the wireless transmission module are respectively connected with the electric brush to supply power. And the electric brush is used for continuously supplying power in the moving process, so that the difficulty and complexity in wiring of cables are reduced.
Further, the mobile driving device comprises a mobile motor, a driving shaft of the mobile motor is connected with a transmission gear 22, a rack 21 is fixedly connected to the conveying track 1, and the transmission gear 22 is meshed with the rack 21; the rotary driving mechanism comprises a rotary motor 23, the rotary motor 23 is fixedly arranged on the sample box 4, and a driving shaft of the rotary motor 23 drives a gear 11 to rotate; the rotary driving mechanism comprises a rotary motor 24, the rotary motor 24 is fixedly arranged on the mobile vehicle 2, and a driving shaft of the rotary motor 24 is connected with the rotary mounting plate 3. The Ge driving mechanism and SF in the monitoring process 6 Long distance of gas, no direct contact with SF 6 The gas is not subjected to SF 6 The effect of gas leakage.
It is worth mentioning that the SF related to the patent application of the invention 6 The technical features of the gas infrared sensor 6, the imaging system, the wireless transmission module, the motor and the like should be regarded as the prior art, and the specific structure, the working principle and the possible control mode and the spatial arrangement of the technical features should be selected conventionally in the art, and should not be regarded as the invention point of the patent of the present invention, and the patent of the present invention is not further specifically developed and detailed.
While the preferred embodiments of the present invention have been described in detail, it should be appreciated that numerous modifications and variations may be made in accordance with the principles of the present invention by those skilled in the art without undue burden, and thus, all technical solutions which may be obtained by logic analysis, reasoning or limited experimentation based on the principles of the present invention as defined by the claims are within the scope of protection as defined by the present invention.
Claims (5)
1. For SF 6 The infrared thermal imaging detector for gas detection is characterized by comprising a conveying track, a moving vehicle, a rotary mounting plate, a sample box, a sampling tube and SF 6 The gas infrared sensor, an imaging system, wireless transmission module, the locomotive is installed on the delivery track, the locomotive is driven to move on the delivery track through the mobile driving device installed on the locomotive, the rotary mounting plate is rotatably installed on the locomotive, the rotary mounting plate is driven to rotate by the rotary driving mechanism, the sample box is fixedly installed on the rotary mounting plate, the sample chamber is arranged in the sample box, a piston is arranged in the sample chamber, one end middle part of the piston is connected with a screw rod, a through hole for the screw rod to movably pass through is arranged on the sample box, a gear is connected with a thread after the screw rod passes through the through hole, the gear is rotatably installed on the sample box, the gear is driven to rotate by the rotary driving mechanism, the other end of the piston is connected with a sampling tube, a control valve is connected on the sampling tube, a movable hole for the sampling tube to extend is arranged on the sample box, a sealing filler is installed in the movable hole, and SF is provided 6 The gas infrared sensor is arranged on the sample box, SF 6 The gas infrared sensor comprises a detection lens, a detection port for the detection lens to extend into a sample chamber is arranged on a sample box, and the SF is provided with a sensor 6 The gas infrared sensor is connected with the imaging system through the wireless transmission module.
2. The method for SF as claimed in claim 1 6 The infrared thermal imaging detector for gas detection is characterized in that one end, located in a sample chamber, of the sampling tube is connected with a baffle, the periphery of the baffle is connected with a piston through a plurality of support rods, an opening is formed in the middle of the baffle, a central hole is formed in the middle of the piston, a movable rod is movably inserted in the central hole, one end of the movable rod is fixedly connected with a screw rod, the periphery of the other end of the movable rod is connected with a plurality of support springs, and the support springs are connected with the movable rodThe movable cover plate is provided with an inclined tube, one end of the inclined tube is provided with a notch parallel to the cover plate, the other end of the inclined tube is fixedly connected with the baffle and communicated with the inside of the sampling tube through the opening, the notch is staggered with the middle part of the movable cover plate, the movable rod is provided with a limiting piece, and the piston is positioned between the screw and the limiting piece.
3. The method for SF as claimed in claim 1 6 The infrared thermal imaging detector for gas detection is characterized in that a plurality of detection nodes are arranged on the conveying track, an induction plate is arranged at each detection node, and an inductor for inducing the induction plate is arranged on the moving vehicle.
4. A method for SF according to claim 3 6 The infrared thermal imaging detector for gas detection is characterized in that a bare wire is arranged on the conveying track, an electric brush is arranged on the moving vehicle and connected with the bare wire, and the moving driving device, the rotary driving mechanism, the SF6 gas infrared sensor and the wireless transmission module are respectively connected with the electric brush for supplying power.
5. The method for SF as claimed in claim 4 6 The infrared thermal imaging detector for gas detection is characterized in that the mobile driving device comprises a mobile motor, a driving shaft of the mobile motor is connected with a transmission gear, a rack is fixedly connected to a conveying track, and the transmission gear is meshed with the rack; the rotary driving mechanism comprises a rotary motor, the rotary motor is fixedly arranged on the sample box, and a driving shaft of the rotary motor drives a gear to rotate; the rotary driving mechanism comprises a rotary motor, the rotary motor is fixedly arranged on the mobile vehicle, and a driving shaft of the rotary motor is connected with the rotary mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311619692.3A CN117825881A (en) | 2023-11-29 | 2023-11-29 | For SF 6 Infrared thermal imaging detector for gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311619692.3A CN117825881A (en) | 2023-11-29 | 2023-11-29 | For SF 6 Infrared thermal imaging detector for gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117825881A true CN117825881A (en) | 2024-04-05 |
Family
ID=90503697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311619692.3A Pending CN117825881A (en) | 2023-11-29 | 2023-11-29 | For SF 6 Infrared thermal imaging detector for gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117825881A (en) |
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2023
- 2023-11-29 CN CN202311619692.3A patent/CN117825881A/en active Pending
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