CN117647280A - Outdoor power equipment on-line monitoring acquisition system - Google Patents
Outdoor power equipment on-line monitoring acquisition system Download PDFInfo
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- CN117647280A CN117647280A CN202311635749.9A CN202311635749A CN117647280A CN 117647280 A CN117647280 A CN 117647280A CN 202311635749 A CN202311635749 A CN 202311635749A CN 117647280 A CN117647280 A CN 117647280A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 6
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000013480 data collection Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention discloses an online monitoring and collecting system for outdoor power equipment, and relates to the technical field of power engineering. The four collecting assemblies are respectively positioned at the periphery of the power equipment, are respectively fixed on respective moving mechanisms, are driven by the moving mechanisms to move longitudinally and transversely, and are respectively fixed in grooves on four inner side surfaces of the inner frame body; the cleaning components are fixed on the four inner side surfaces of the inner frame body and are used for cleaning the collecting components. According to the invention, the inner frame body and the four acquisition components are arranged, and the positions of the acquisition components can be adjusted through the moving mechanism, so that the system can comprehensively monitor all parts of the power equipment, the monitoring accuracy is better, the comprehensiveness of each item of data acquisition is better, and the problem that the monitoring accuracy is not ideal enough due to the fact that the comprehensiveness of the data acquisition of the existing power equipment monitoring system is poor is solved.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to an online monitoring and collecting system for outdoor power equipment.
Background
Common outdoor power equipment comprises a distribution box, a transformer substation, a power transmission tower, a suspension cable, a solar panel, a wind driven generator, a frequency converter and the like, and the equipment is an important component part in an outdoor power system, and forms a complete power supply network together, so that stable and reliable power service is provided for users. The outdoor power equipment on-line monitoring acquisition system is a system for carrying out real-time monitoring and data acquisition on the outdoor power equipment through network connection. The system can monitor various parameters of the power equipment, including voltage, current, power, frequency and the like, and can monitor the running state, temperature, humidity and the like of the equipment. The system consists of a plurality of sensors and a data collector, wherein the sensors are responsible for collecting various parameters of equipment and transmitting data to the data collector. The data collector is responsible for integrating and transmitting the data to the monitoring center or the cloud server for analysis and processing. Through real-time monitoring and data acquisition of the system, equipment faults and abnormal conditions can be found in time, the reliability and safety of equipment are improved, data support is provided for maintenance and management of the equipment, and the service life and the operation efficiency of the equipment are improved.
Through retrieval, bulletin number CN209485419U, bulletin date 2019-10-11 discloses an on-line monitoring system for electric equipment, wherein a camera, a thermal infrared imager, a temperature sensor, a voltmeter, an ammeter, an electric quantity detection module and a smoke sensor are all connected with a signal collector, the thermal infrared imager is used for monitoring whether open fire exists in the electric equipment, the smoke sensor is used for monitoring whether smoke exists in the electric equipment, the temperature sensor, the voltmeter, the ammeter and the electric quantity detection module are used for respectively measuring temperature, voltage, current and electric quantity data of the electric equipment, the camera is used for monitoring the external situation of the electric equipment, and the signal collector is used for collecting the data of the thermal infrared imager, the temperature sensor, the voltmeter, the ammeter, the electric quantity detection module, the smoke sensor and the camera and transmitting the data to a server, and the server is connected with a monitoring platform and a mobile terminal; the state of the power equipment can be monitored in real time, and the normal operation of the power equipment is ensured.
The patent has the following disadvantages:
1. the monitoring system has poor data acquisition comprehensiveness, fixed monitoring points, difficulty in acquiring all parts of the power equipment and poor monitoring accuracy;
2. the monitoring system has a single data acquisition mode, adopts a simple sensor and camera equipment to acquire, and is difficult to truly reflect the running condition of the power equipment.
Disclosure of Invention
The invention aims to provide an outdoor power equipment online monitoring and collecting system, which is characterized in that an inner frame body and four collecting components are arranged, and the positions of the collecting components can be adjusted through a moving mechanism, so that the system can comprehensively monitor all parts of power equipment, the monitoring accuracy is better, the comprehensiveness of each item of data collection is better, and the problem that the monitoring accuracy is not ideal enough due to the fact that the comprehensiveness of the data collection of the existing power equipment monitoring system is poor is solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an online monitoring and collecting system of outdoor power equipment, which comprises four collecting components, wherein the four collecting components are respectively positioned at the periphery of the power equipment and are respectively fixed on respective moving mechanisms, the four collecting components are driven by the moving mechanisms to move along the longitudinal direction and the transverse direction, and the four moving mechanisms are respectively fixed in grooves on four inner side surfaces of an inner frame body; the four inner sides of the inner frame body are respectively fixed with a cleaning component which is used for cleaning the collecting component; the inner frame body is sleeved with a sound insulation layer, and the sound insulation layer is sleeved with an outer shell.
The acquisition assembly comprises a mounting plate; the front of the mounting plate is embedded with a camera, a light supplementing lamp, a first temperature and humidity sensor, a second temperature and humidity sensor, an ultrasonic sensor and a voiceprint sensor respectively, the front of the mounting plate is also fixed with an electric telescopic rod, and the end part of a movable rod of the electric telescopic rod is fixed with a vibration sensor.
Further, the moving mechanism includes a moving block, a longitudinal moving unit, and a lateral moving unit; the longitudinal moving unit and the transverse moving unit are fixed in the grooves on the inner side surface of the inner frame body and are respectively used for driving the moving block to move along the longitudinal direction and the transverse direction; the mounting plate is fixed on the movable block.
Further, the longitudinal moving unit comprises a moving guide rod, a sliding block, a sliding rail, a nut seat, a screw rod, a bearing seat and a motor; the movable guide rod movably penetrates through the movable block, one end of the movable guide rod is fixedly provided with a sliding block, the sliding block is in sliding connection with the sliding rail, and the sliding rail is fixed at the edge of one side of the groove; the other end of the movable guide rod is fixedly connected with the nut seat, the nut seat is movably sleeved on the screw rod, one end of the screw rod is rotationally connected with the bearing seat, the other end of the screw rod is fixedly connected with the output shaft of the motor, and the bearing seat and the motor are fixed at the edge of the other side of the groove.
Further, the structure of the lateral movement unit is the same as that of the longitudinal movement unit; the moving guide rod of the transverse moving unit and the moving guide rod of the longitudinal moving unit vertically penetrate through the moving block in a staggered mode.
Further, the cleaning assembly comprises cleaning cotton and an L-shaped plate; the cleaning cotton is fixed on the bottom surface of the L-shaped plate, and the L-shaped plate is fixed at the edge of the inner frame body.
Further, the camera, the light filling lamp, the first temperature and humidity sensor, the second temperature and humidity sensor, the ultrasonic sensor and the end face of voiceprint sensor are all flush and are in butt joint with the cleaning cotton.
Further, the solar energy system also comprises an environment sensor, a warning lamp and a solar panel; the environment sensor and the warning lamp are fixed at the top of the inner frame body, and the solar panel is provided with four and is respectively arranged at the upper ends of four side surfaces of the outer shell body.
Further, the system also comprises a controller, a wireless network module and a GPS positioning module; the controller, the wireless network module and the GPS positioning module are all arranged in the control box, and the control box is fixed at the lower end of the side face of the outer shell; the output ends of the environment sensor, the acquisition assembly, the solar panel and the GPS positioning module are electrically connected with the input end of the controller, the output end of the controller is electrically connected with the input ends of the warning lamp and the moving mechanism respectively, and the controller is connected with a remote terminal through a wireless network module.
The invention has the following beneficial effects:
1. according to the invention, the inner frame body and the four acquisition components are arranged, and the positions of the acquisition components can be adjusted through the moving mechanism, so that the system can comprehensively monitor all parts of the power equipment, the monitoring accuracy is better, the safe and stable operation of the power equipment is ensured, the acquisition components are arranged on the inner frame body, the inner frame body also plays a protection function, and the safety of the power equipment and pedestrians is effectively protected.
2. According to the invention, the camera, the first temperature and humidity sensor, the second temperature and humidity sensor, the environment sensor and the GPS positioning module are arranged, so that the system can collect environmental parameters around the power equipment, such as temperature and humidity, wind speed, rainfall and the like, can collect the temperature and humidity of the power equipment, the surface condition and the like, can collect geographical position information and has better comprehensiveness in data collection.
3. According to the invention, the ultrasonic sensor, the sound insulation layer, the voiceprint sensor, the electric telescopic rod and the vibration sensor are arranged, the operation condition of the electric equipment is monitored by adopting the ultrasonic and voiceprint technology, the ultrasonic and the voiceprint technology complement each other, the integral mechanical fault of the electric equipment is detected and diagnosed, the sound insulation layer can effectively isolate the pollution of external noise, the accuracy of the voiceprint sensor is improved, the vibration sensor is moved to the surface of the electric equipment by the electric telescopic rod, and the vibration information of different positions is measured.
4. According to the invention, the cleaning assembly is matched with the moving mechanism, so that the collecting assembly can be moved to the cleaning assembly, the sensor and the camera equipment on the cleaning assembly are cleaned, the dust is prevented from influencing the accuracy of collecting data, the device is more suitable for outdoor use, and the whole system is more energy-saving and environment-friendly by utilizing solar energy through the solar panel.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings used for describing the embodiments will be briefly described below.
FIG. 1 is a schematic perspective view of the whole structure;
FIG. 2 is a schematic perspective view of the whole structure II;
FIG. 3 is a schematic view of the internal structure of the inner frame body;
FIG. 4 is a schematic diagram of the structure of the acquisition assembly;
FIG. 5 is a schematic diagram of a moving mechanism;
FIG. 6 is a schematic view of a longitudinal mobile unit;
FIG. 7 is a schematic view of a cleaning assembly;
fig. 8 is a schematic view of the structure of the outer housing.
In the drawings, the list of components represented by the various numbers is as follows:
1. an inner frame body; 2. a collection assembly; 3. a moving mechanism; 4. a cleaning assembly; 5. a sound insulation layer; 6. an outer housing; 7. a control box; 11. a groove; 12. an environmental sensor; 13. a warning light; 21. a mounting plate; 22. a camera; 23. a light supplementing lamp; 24. a first temperature and humidity sensor; 25. a second temperature and humidity sensor; 26. an ultrasonic sensor; 27. a voiceprint sensor; 28. an electric telescopic rod; 29. a vibration sensor; 31. a moving block; 32. a longitudinal moving unit; 33. a lateral movement unit; 41. cleaning cotton; 42. an L-shaped plate; 61. a solar panel; 71. a controller; 72. a wireless network module; 73. a GPS positioning module; 321. moving the guide rod; 322. a slide block; 323. a slide rail; 324. a nut seat; 325. a screw rod; 326. a bearing seat; 327. and a motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, the invention discloses an online monitoring and collecting system for outdoor power equipment, which comprises four collecting assemblies 2, wherein the four collecting assemblies 2 are respectively positioned at the periphery of the power equipment, the four collecting assemblies 2 are respectively fixed on respective moving mechanisms 3, the four collecting assemblies are driven by the moving mechanisms 3 to move along the longitudinal direction and the transverse direction, and the four moving mechanisms 3 are respectively fixed in grooves 11 on four inner side surfaces of an inner frame body 1; the cleaning components 4 are fixed on the four inner side surfaces of the inner frame body 1, and the cleaning components 4 are used for cleaning the collecting components 2; the inner frame body 1 is sleeved with a sound insulation layer 5, and the sound insulation layer 5 is sleeved with an outer shell 6.
Wherein the acquisition assembly 2 comprises a mounting plate 21, as shown in fig. 4; the front of the mounting plate 21 is embedded with a camera 22, a light supplementing lamp 23, a first temperature and humidity sensor 24, a second temperature and humidity sensor 25, an ultrasonic sensor 26 and a voiceprint sensor 27 respectively, the front of the mounting plate 21 is also fixed with an electric telescopic rod 28, and the movable rod end part of the electric telescopic rod 28 is fixed with a vibration sensor 29.
When the acquisition component 2 is specifically used, the surface condition of the power equipment is acquired through the camera 22, parameters such as the temperature and the humidity of the power equipment are acquired through the first temperature and humidity sensor 24, the environmental parameters around the power equipment are acquired through the second temperature and humidity sensor 25, the environmental parameters outside the whole system are acquired through the environmental sensor 12, and the comprehensiveness of data acquisition is better.
The ultrasonic sensor 26, the voiceprint sensor 27 and the vibration sensor 29 are arranged, the operation conditions of the electric equipment are monitored by adopting ultrasonic and voiceprint technologies, the ultrasonic and the voiceprint technologies complement each other, the integral mechanical faults of the electric equipment are detected and diagnosed, the sound insulation layer 5 can effectively isolate the pollution of external noise, the accuracy of the voiceprint sensor 27 is improved, the vibration sensor 29 is moved to the surface of the electric equipment through the electric telescopic rod 28, and the vibration information of different positions is measured.
Wherein, as shown in fig. 5 to 6, the moving mechanism 3 includes a moving block 31, a longitudinal moving unit 32, and a lateral moving unit 33; the longitudinal moving unit 32 and the transverse moving unit 33 are fixed in the groove 11 on the inner side surface of the inner frame body 1, and are used for driving the moving block 31 to move longitudinally and transversely respectively; the mounting plate 21 is fixed on the moving block 31; the longitudinal moving unit 32 includes a moving guide 321, a slider 322, a slide rail 323, a nut seat 324, a screw 325, a bearing housing 326, and a motor 327; the movable guide rod 321 movably penetrates through the movable block 31, a sliding block 322 is fixed at one end of the movable guide rod 321, the sliding block 322 is in sliding connection with a sliding rail 323, and the sliding rail 323 is fixed at one side edge of the groove 11; the other end of the movable guide rod 321 is fixedly connected with a nut seat 324, the nut seat 324 is movably sleeved on a screw rod 325, one end of the screw rod 325 is rotationally connected with a bearing seat 326, the other end of the screw rod 325 is fixedly connected with an output shaft of a motor 327, and the bearing seat 326 and the motor 327 are both fixed at the edge of the other side of the groove 11; the structure of the lateral movement unit 33 is the same as that of the longitudinal movement unit 32; the moving guide 321 of the transverse moving unit 33 and the moving guide 321 of the longitudinal moving unit 32 vertically penetrate through the moving block 31 one by one.
When the longitudinal moving unit 32 is specifically used, the motor 327 is started, the motor 327 drives the screw rod 325 to rotate, the screw rod 325 drives the nut seat 324 to move, the nut seat 324 drives the moving guide rod 321 to move, the moving guide rod 321 drives the sliding block 322 to move along the sliding rail 323, meanwhile, the moving guide rod 321 drives the moving block 31 to move along the moving guide rod 321 of the transverse moving unit 33, and the moving block 31 drives the collecting assembly 2 thereon to move, so that the position of the collecting assembly 2 can be adjusted; the setting of inside casing body 1 and four collection subassembly 2, and collection subassembly 2 can pass through moving mechanism 3 adjustment position for this system can carry out comprehensive monitoring to each position of power equipment, and the accuracy of monitoring is better, ensures power equipment's safe and stable operation, and collection subassembly 2 installs on inside casing body 1, and inside casing body 1 also plays the function of protection, effectively protects power equipment and pedestrian's safety.
Wherein, as shown in fig. 7, the cleaning assembly 4 comprises cleaning cotton 41 and an L-shaped plate 42; the cleaning cotton 41 is fixed on the bottom surface of the L-shaped plate 42, and the L-shaped plate 42 is fixed at the edge of the inner frame body 1; the camera 22, the light supplementing lamp 23, the first temperature and humidity sensor 24, the second temperature and humidity sensor 25, the ultrasonic sensor 26 and the voiceprint sensor 27 are flush in end surfaces and are abutted against the cleaning cotton 41.
The cleaning component 4 is matched with the moving mechanism 3, can move the collection component 2 to the cleaning component 4, clean the sensor and the camera equipment on the cleaning component 4, avoid dust to influence the accuracy of collected data, and is more suitable for outdoor use.
As shown in fig. 3 and 8, the solar energy sensor also comprises an environment sensor 12, a warning lamp 13 and a solar panel 61; the environment sensor 12 and the warning lamp 13 are fixed on the top of the inner frame body 1, and the solar panel 61 is provided with four solar panels which are respectively arranged at the upper ends of the four side surfaces of the outer shell 6; also included are a controller 71, a wireless network module 72, and a GPS positioning module 73; the controller 71, the wireless network module 72 and the GPS positioning module 73 are all arranged in the control box 7, and the control box 7 is fixed at the lower end of the side face of the outer shell 6; the output ends of the environment sensor 12, the acquisition assembly 2, the solar panel 61 and the GPS positioning module 73 are electrically connected with the input end of the controller 71, the output end of the controller 71 is electrically connected with the warning lamp 13 and the input end of the moving mechanism 3 respectively, and the controller 71 is connected with a remote terminal through a wireless network module 72.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present invention.
Claims (8)
1. An outdoor power equipment on-line monitoring collection system, includes collection subassembly (2), its characterized in that:
the four collecting assemblies (2) are respectively positioned at the periphery of the power equipment, the four collecting assemblies (2) are respectively fixed on respective moving mechanisms (3), the four collecting assemblies are driven by the moving mechanisms (3) to move longitudinally and transversely, and the four moving mechanisms (3) are respectively fixed in grooves (11) on four inner sides of the inner frame body (1);
cleaning assemblies (4) are fixed on four inner side surfaces of the inner frame body (1), and the cleaning assemblies (4) are used for cleaning the collecting assemblies (2);
the sound insulation layer (5) is sleeved outside the inner frame body (1), and the outer shell body (6) is sleeved outside the sound insulation layer (5);
the acquisition assembly (2) comprises a mounting plate (21);
the front of mounting panel (21) is embedded to be provided with camera (22), light filling lamp (23), first temperature and humidity sensor (24), second temperature and humidity sensor (25), ultrasonic sensor (26) and voiceprint sensor (27) respectively, still be fixed with electric telescopic handle (28) on the front of mounting panel (21), the movable rod tip of electric telescopic handle (28) is fixed with vibration sensor (29).
2. An outdoor power equipment on-line monitoring and acquisition system according to claim 1, characterized in that the moving mechanism (3) comprises a moving block (31), a longitudinal moving unit (32) and a transverse moving unit (33);
the longitudinal moving unit (32) and the transverse moving unit (33) are fixed in a groove (11) on the inner side surface of the inner frame body (1) and are respectively used for driving the moving block (31) to move along the longitudinal direction and the transverse direction;
the mounting plate (21) is fixed on the moving block (31).
3. An outdoor power equipment on-line monitoring and collecting system according to claim 2, wherein the longitudinal moving unit (32) comprises a moving guide rod (321), a sliding block (322), a sliding rail (323), a nut seat (324), a screw rod (325), a bearing seat (326) and a motor (327);
the movable guide rod (321) movably penetrates through the movable block (31), one end of the movable guide rod (321) is fixed with the sliding block (322), the sliding block (322) is in sliding connection with the sliding rail (323), and the sliding rail (323) is fixed at one side edge of the groove (11);
the other end of the movable guide rod (321) is fixedly connected with the nut seat (324), the nut seat (324) is movably sleeved on the screw rod (325), one end of the screw rod (325) is rotationally connected with the bearing seat (326), the other end of the screw rod (325) is fixedly connected with an output shaft of the motor (327), and the bearing seat (326) and the motor (327) are both fixed at the edge of the other side of the groove (11).
4. An outdoor power equipment on-line monitoring and acquisition system according to claim 3, characterized in that the structure of the lateral movement unit (33) is the same as the structure of the longitudinal movement unit (32);
the moving guide rod (321) of the transverse moving unit (33) and the moving guide rod (321) of the longitudinal moving unit (32) vertically penetrate through the moving block (31) in a staggered mode.
5. An outdoor power equipment on-line monitoring and collecting system according to claim 1, characterized in that the cleaning assembly (4) comprises cleaning cotton (41) and an L-shaped board (42);
the cleaning cotton (41) is fixed on the bottom surface of the L-shaped plate (42), and the L-shaped plate (42) is fixed at the edge of the inner frame body (1).
6. The on-line monitoring and collecting system for outdoor power equipment according to claim 5, wherein the end faces of the camera (22), the light supplementing lamp (23), the first temperature and humidity sensor (24), the second temperature and humidity sensor (25), the ultrasonic sensor (26) and the voiceprint sensor (27) are flush, and are abutted against the cleaning cotton (41).
7. An outdoor power equipment on-line monitoring and collecting system according to claim 1, further comprising an environmental sensor (12), a warning light (13) and a solar panel (61);
the environment sensor (12) and the warning lamp (13) are fixed at the top of the inner frame body (1), and the solar panel (61) is provided with four and is respectively arranged at the upper ends of four side surfaces of the outer shell body (6).
8. The outdoor power equipment online monitoring and acquisition system of claim 7, further comprising a controller (71), a wireless network module (72), and a GPS positioning module (73);
the controller (71), the wireless network module (72) and the GPS positioning module (73) are all arranged in the control box (7), and the control box (7) is fixed at the lower end of the side face of the outer shell (6);
the environment sensor (12), the acquisition assembly (2), the solar panel (61) and the GPS positioning module (73) are electrically connected with the input end of the controller (71), the output end of the controller (71) is electrically connected with the input ends of the warning lamp (13) and the moving mechanism (3) respectively, and the controller (71) is connected with a remote terminal through the wireless network module (72) in a wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311635749.9A CN117647280A (en) | 2023-12-01 | 2023-12-01 | Outdoor power equipment on-line monitoring acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311635749.9A CN117647280A (en) | 2023-12-01 | 2023-12-01 | Outdoor power equipment on-line monitoring acquisition system |
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| CN117647280A true CN117647280A (en) | 2024-03-05 |
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| CN202311635749.9A Pending CN117647280A (en) | 2023-12-01 | 2023-12-01 | Outdoor power equipment on-line monitoring acquisition system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032937A (en) * | 2024-04-12 | 2024-05-14 | 南京土星信息科技有限公司 | System for detecting looseness voiceprint of bolt of power transmission tower |
-
2023
- 2023-12-01 CN CN202311635749.9A patent/CN117647280A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118032937A (en) * | 2024-04-12 | 2024-05-14 | 南京土星信息科技有限公司 | System for detecting looseness voiceprint of bolt of power transmission tower |
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