CN115811672A - Handheld inspection instrument for power equipment detection, inspection method and inspection device - Google Patents
Handheld inspection instrument for power equipment detection, inspection method and inspection device Download PDFInfo
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Abstract
The application discloses a handheld inspection instrument for power equipment detection, relates to the technical field of power equipment inspection, and particularly relates to a handheld inspection instrument, an inspection method and a device for power equipment detection; the intelligent mobile phone is used for being connected with an intelligent mobile phone provided with an inspection APP, wherein a visible light lens, an infrared lens, an ozone concentration sensor, a temperature and humidity sensor, a laser range finder, an audible sound pickup, an ultrasonic sound pickup and an electronic tag card reader are arranged on a handheld inspection instrument, the intelligent mobile phone can acquire inspection data through the handheld inspection instrument, complete comprehensive detection and diagnosis and feed corresponding data back to a background server; the system is suitable for polling various power equipment, realizes automatic recording of polling information, transmits in real time, does not need manual arrangement, greatly improves the working efficiency, can avoid missing detection events, improves the polling working quality, ensures that the polling is in place, and timely eliminates hidden dangers.
Description
Technical Field
The application relates to the technical field of power equipment inspection, in particular to a handheld inspection instrument, an inspection method and an inspection device for power equipment detection.
Background
The electric power is a life-cycle industry in China, a patrol plan is formulated by an electric power management department every month, a large number of workers are required to patrol electric power equipment, and whether defects exist in power distribution equipment is discovered or judged in time, so that a maintenance plan is reasonably arranged, and the reliable operation of a power grid is ensured.
In the prior art, as the function of the inspection equipment is single, inspection personnel are required to receive various fault detection devices in the inspection process, the detection process is time-consuming and labor-consuming, the inspection is extremely inconvenient, the subsequent processing and analysis of equipment fault information are dispersed, and the workload of integrating data is large, so that the regular inspection and fault diagnosis work of the power equipment is complicated; and because the level levels of the patrolmen are uneven, the proportion of the discovered defects is low, the defects cannot be discovered in time, and the patrolmen can be overhauled before major fault accidents occur.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provide a technology which can improve the inspection quality and efficiency, standardizes the inspection operation behavior and standardizes and digitizes the inspection process.
The purpose of the invention is realized by the following technical scheme:
according to one aspect of the disclosure, a handheld patrol instrument for power equipment detection is provided, which includes: the detection host and the ranging handle; the detection host comprises a shell, a clamping mechanism and a first master control PCBA board, wherein the shell is fixedly connected with the clamping mechanism, and the clamping mechanism is used for being fixedly connected with the smart phone; the first master control PCBA board is arranged in the shell; the first master control PCBA board is connected with a shooting mechanism, an ozone concentration sensor and a temperature and humidity sensor and is respectively used for collecting image/video data, ozone concentration data, temperature and humidity data; the shooting mechanism comprises a visible light lens and an infrared lens, and the image/video data comprises visible light image/video data and infrared image/video data; the distance measuring handle comprises a connecting cover plate, a laser distance measuring instrument and a handle; the bottom of the laser range finder is fixedly connected with the handle; the connecting cover plate is respectively and fixedly connected with the top of the laser range finder and the bottom of the shell; the laser range finder comprises a detection window, a visible light lens and an infrared lens which are arranged in the same direction; the first master control PCBA board is connected with a laser range finder, and distance data between the first master control PCBA board and a measured object are collected through the laser range finder; the first master control PCBA board is connected with the smart phone and used for sending the collected data to the smart phone.
Specifically, the shell further comprises a front host shell, a rear host shell and an interface sliding mechanism; the clamping mechanism and the interface sliding mechanism are respectively fixedly connected with the host rear shell, and the host front shell is fixedly connected with the host rear shell; the interface sliding mechanism comprises a sliding block and a sliding shaft, and the sliding block moves on the sliding shaft in the Z-axis direction; first master control PCBA board still is connected with first interface, and first interface setting is on the slider for be connected with the smart mobile phone.
More specifically, a handle is arranged on one side of the front host shell; the hand (hold) top is equipped with button subassembly, and button subassembly is connected with first master control PCBA board including shooting the button for control shooting mechanism shoots.
More specifically, the laser range finder further comprises a laser optical component, a second master control PCBA board and a switch key; the switch key is connected with a second master control PCBA board; the second master control PCBA board is connected with the first master control PCBA board; the laser optical component is used for transmitting and receiving laser signals, and the second master control PCBA board is used for calculating corresponding distance data according to the time difference of the transmitted and received laser signals and sending the distance data to the first master control PCBA board.
In the above, the handle is a hollow structure and is internally provided with the first rechargeable battery; the first rechargeable battery is connected with the first master control PCBA board; the handle is also internally provided with a second rechargeable battery which is connected with the laser range finder.
Furthermore, an audible sound pickup and an ultrasonic sound pickup are also arranged on the front shell of the main machine; the audible sound pickup and the ultrasonic sound pickup are respectively and independently connected with the first master control PCBA board III; the first master control PCBA board is also provided with an electronic tag card reader and an analog signal acquisition port; the electronic tag card reader is used for identifying an electronic tag of the equipment; the analog signal acquisition port is used for connecting sensing detection equipment.
Further, the first master PCBA board includes: the device comprises a video processing module, an audio processing module, a digital signal processing module, a power supply module and a communication module; the video processing module is respectively and independently connected with the visible light lens and the infrared lens; the audio processing module is respectively and independently connected with the audible sound pickup and the ultrasonic sound pickup; the digital signal processing module is respectively and uniformly connected with the ozone concentration sensor and the temperature and humidity sensor and the analog signal acquisition port, and is used for converting acquired analog signal data into digital signal data; the power supply module is used for supplying power to the first main control PCBA board and charging the first rechargeable battery; the communication module is used for acquiring sensor data of the power equipment through a wireless network and communicating with the smart phone.
According to another aspect of the disclosure, a polling method is provided, which is applied to a smart phone connected to the above-mentioned handheld polling device for detecting electrical equipment, and includes the following steps: logging in a background server by verifying identity information; acquiring a routing inspection task corresponding to the identity information; acquiring detection data, and generating a diagnosis result by analyzing a diagnosis model; and uploading the diagnosis result to a background server.
According to another aspect of the disclosure, an inspection device is provided, and the inspection method includes: the system comprises a login management module, a task management module, an information reading module and a detection and diagnosis module; the login management module is used for logging in the background server by verifying the identity information; the task management module is used for determining the current executed inspection task; the information reading module is used for reading data collected by the multifunctional handheld inspection instrument for power equipment detection and positioning data of the smart phone; the detection and diagnosis module is internally provided with an analysis and diagnosis model and used for generating a diagnosis result according to the data read by the information reading module.
Specifically, the detection and diagnosis module comprises a double-vision monitoring and diagnosis unit, an acoustic signal detection and diagnosis unit, a temperature rise load performance index diagnosis unit and a vibration signal detection and diagnosis unit; the double-vision monitoring and diagnosing unit, the acoustic signal detecting and diagnosing unit, the temperature rise load performance index diagnosing unit and the vibration signal detecting and diagnosing unit are respectively pre-stored with corresponding analysis and diagnosis models.
The invention has the beneficial effects that: the invention provides a handheld inspection instrument for detecting power equipment, which is used for being connected with a smart phone provided with an inspection APP, wherein the handheld inspection instrument is provided with a visible light lens, an infrared lens, an ozone concentration sensor, a temperature and humidity sensor, a laser range finder, an audible sound pickup device, an ultrasonic sound pickup device and an electronic tag card reader; the inspection quality and efficiency are improved, the inspection operation behavior is standardized, and the inspection process is standardized and digitalized. The past complicated routing inspection process is greatly simplified; the inspection device is suitable for inspection of various power equipment, comprises various power transformation and distribution stations (boxes), transformers, reactors, switch cabinets, capacitor banks, overhead cables and the like, is capable of automatically recording inspection information, transmitting the inspection information in real time, avoiding manual arrangement, greatly improving the working efficiency, avoiding missed inspection events, improving the inspection working quality, ensuring that the inspection is in place and timely eliminating hidden dangers.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overall structure of a handheld inspection device and a smartphone for power equipment detection according to an embodiment of the present application;
fig. 2 is a schematic overall structure diagram of a detection host of a handheld patrol instrument for detecting electrical equipment according to an embodiment of the present application;
fig. 3 is a schematic diagram of a first explosion structure of a detection host of a handheld patrol instrument for power equipment detection according to an embodiment of the present application;
fig. 4 is a schematic diagram of a second explosion structure of a detection host of the handheld patrol instrument for detecting electrical equipment according to the embodiment of the present application;
FIG. 5 is an exploded view of a range handle of a handheld polling device for power equipment detection according to an embodiment of the present application;
FIG. 6 is an exploded view of a laser rangefinder of a handheld polling device for power equipment detection according to an embodiment of the present disclosure;
FIG. 7 is a block diagram illustrating electrical principles of a handheld inspection device for electrical equipment inspection according to an embodiment of the present disclosure;
wherein, fig. 1 to fig. 6 include:
A. detecting a host; a1, a key assembly; a2, an interface sliding mechanism; a3, a first master control PCBA board;
a4, a first rechargeable battery; a5, a shooting mechanism; a6, a front host case; a7, an elastic cushion plate; a8, a host rear shell A9 and a clamping mechanism; a10, a first fixing nut;
1. shooting a key; 2. a visible light lens; 3. an infrared lens; 4. a handle;
5. an audible sound pickup; 6. an ultrasonic sound pickup; 7. an LED indicator light; 8. an electronic tag reader;
9. an analog signal acquisition port; 10. a second interface; 11. an ozone concentration sensor; 12. a temperature and humidity sensor;
15. a first interface;
B. a distance measuring handle; b1, connecting a cover plate; b2, a spring; b3, a first fixing bolt;
b4, laser range finders; b41, a second master control PCBA board; b42, a laser optical member; b421, a detection window;
b43, a power supply connecting plate; b44, a distance meter shell; b45, a key switch board;
b5, a second rechargeable battery; b6, a left handle shell; b7, a power supply connecting part; b8, a second fixing nut;
b9, a second fixing bolt; b10, a handle right shell; b11, a third fixing nut; b12, hanging a rope by using a handle;
13. a third interface; 14. switching a key;
C. a smart phone; D. and connecting the wires.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below through embodiments with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present numbers, and the above, below, within, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise specifically limited, the terms such as set forth and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in combination with the detailed contents of the technical solutions.
In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Example 1
According to one aspect of the present disclosure, there is provided a handheld inspection device for power equipment detection, as shown in fig. 1 to 7, including: detecting a host A and a ranging handle B;
the detection host A comprises a shell, a clamping mechanism A9 and a first master control PCBA board A3, wherein the shell is fixedly connected with the clamping mechanism A9, and the clamping mechanism A9 is used for being fixedly connected with the smart phone C; a first master control PCBA board A3 is disposed within the housing. The detection host A and the smart phone C can be connected and communicated through wireless WiFi or Bluetooth, or can be directly connected in a wired mode, and the connection is optional.
Specifically, the shell further comprises a host front shell A6, a host rear shell A8 and an interface sliding mechanism A2; the clamping mechanism A9 and the interface sliding mechanism A2 are fixedly connected with a host rear shell A8 respectively, and the host front shell A6 is fixedly connected with the host rear shell A8; wherein, still be equipped with elastic backing plate A7 behind casing A8 and the smart mobile phone C behind the host computer, casing A8 fixed connection behind elastic backing plate A7 and the host computer. The interface sliding mechanism A2 comprises a sliding block and a sliding shaft, and the sliding block moves on the sliding shaft in the Z-axis direction; first master control PCBA board A3 still is connected with first interface 15, and first interface 15 sets up on the slider for be connected with smart mobile phone C. In the present example, the first interface 15 is a TYPE-C interface.
The first master control PCBA board A3 is connected with a shooting mechanism A5, an ozone concentration sensor 11, a temperature and humidity sensor 12, an audible sound pickup 5, an ultrasonic sound pickup 6 and an electronic tag card reader 8, and the shooting mechanism A5, the ozone concentration sensor 11, the temperature and humidity sensor 12, the audible sound data, the ultrasonic data and the electronic tag of the identification device are respectively used for collecting image/video data, ozone concentration data, temperature and humidity data, the audible sound data and the ultrasonic data. The shooting mechanism A5 comprises a visible light lens 2, an infrared lens 3, a focusing lens and an LED strong light; the image/video data includes visible light image/video data and infrared image/video data. In addition, an LED indicator light 7 is further arranged on the first main control PCBA board A3 and used for indicating the working state of the detection host A.
Specifically, a handle 4 is further arranged on one side of the front host shell A6; handle 4 top is equipped with button subassembly A1, and button subassembly A1 is connected with first master control PCBA board A3 including shooing button 1 for control shooting mechanism A5 shoots. Wherein, the handle 4 is a hollow structure and is internally provided with a first rechargeable battery A4; the first rechargeable battery A4 is connected with the first main control PCBA board A3.
Additionally, an analog signal acquisition port 9 is further arranged on the first main control PCBA board A3 and used for connecting the sensing detection equipment.
The distance measuring handle B comprises a connecting cover plate B1, a laser distance measuring instrument B4 and a handle; the bottom of the laser range finder B4 is fixedly connected with the handle; and the connecting cover plate B1 is fixedly connected with the top of the laser range finder B4 and the bottom of the shell of the detection host A respectively. Wherein, the handle comprises a left handle shell B6 and a right handle shell B10.
The laser range finder B4 includes a detection window B421, and the detection window B421 is disposed facing the same direction as the visible light lens 2 and the infrared lens 3. The first master control PCBA board A3 is connected with a laser range finder B4, and distance data between the first master control PCBA board A and a measured object is collected through the laser range finder B4; the first master control PCBA board A3 is connected with the smart phone C and used for sending the collected data to the smart phone C. Wherein, smart mobile phone C embeds there is intelligent APP that patrols and examines.
Laser range finder B4 is used for surveing the accurate distance between patrolling appearance and the testee, range finding scope: 0.02-1000 m, is an auxiliary tool for inspection work. Specifically, the laser range finder B4 further comprises a laser optical component B42, a second master control PCBA board B41, a range finder housing B44 and a key switch board B45; the laser optical component B42, the second main control PCBA board B41 and the key switch board B45 are all arranged in a distance meter shell B44, and the distance meter shell B44 is connected with a connecting cover plate B1 in a clamping mode. The connecting cover plate B1 is connected with a first fixing bolt B3, and the bottom of the detection host A is provided with a first fixing nut A10; the first fixing bolt B3 is provided with a spring B2, and the connecting cover plate B1 is fixedly connected with a first fixing nut A10 through the first fixing bolt B3. The key switch board B45 is provided with a switch key 14; the switch key 14 is connected with a second master control PCBA board B41 and used for turning on or turning off the laser range finder B4; the second master PCBA board B41 is connected to the first master PCBA board A3. In this embodiment, the built-in intelligence of smart mobile phone C patrols and examines APP and control laser range finder B4 and carry out the range finding.
The laser optical component B42 is used for emitting and receiving laser signals, and the second master PCBA board B41 is used for calculating corresponding distance data according to the time difference of emitting and receiving laser signals, and sending the distance data to the first master PCBA board A3.
More specifically, the handle includes a handle left case B6 and a handle right case B10; handle left side casing B6 and handle right side casing B10 block are connected, and the handle embeds there is second rechargeable battery B5, and second rechargeable battery B5 is connected with laser range finder B4, for laser range finder B4 power supply. The second rechargeable battery B5 is further connected with a power supply connection part B7, the second main control PCBA board B41 is further connected with a power supply connection board B43, and the power supply connection part B7 is connected with the power supply connection board B43. The handle is also provided with a second fixing nut B8 and a third fixing nut B11; second fixing bolt B9 passes through second fixing nut B8 and handle fixed connection, wherein, second fixing bolt B9 be used for with laser range finder B4 fixed connection, third fixing nut B11 sets up in the bottom of handle for hang rope B12 with the handle and be connected.
Further, the first main control PCBA board A3 is further provided with a second interface 10, and the second main control PCBA board B41 is further provided with a third interface 13. In the embodiment, the second interface 10 and the third interface 13 both adopt TYPE-C interfaces, and the second interface 10 and the third interface 13 are connected by a connection line D to realize communication between the first main control PCBA board A3 and the second main control PCBA board B41.
Further, the first master PCBA board A3 includes: the power supply comprises a main control circuit, a power supply management circuit (namely a power supply module) and a communication circuit (namely a communication module); the master control circuit includes: the device comprises a main control MCU, a video processing module, an audio processing module and a digital signal processing module.
The video processing module is respectively and independently connected with the visible light lens 2 and the infrared lens 3; the video processing module comprises a video processing chip, and the video processing chip can be directly arranged on the first main control PCBA board A3 and can also be arranged on a shooting mechanism A5 connected with the first main control PCBA board A3.
The audio processing module is respectively and independently connected with an audible sound pickup 5 and an ultrasonic sound pickup 6; the audio processing module also comprises an audio processing chip.
The digital signal processing module is respectively connected with the ozone concentration sensor 11 and the temperature and humidity sensor 12 and is independently connected with the analog signal acquisition port, and the digital signal processing module is used for converting acquired analog signal data into digital signal data; the digital signal processing module comprises a DSP data processor.
The power supply module is used for supplying power to all modules on the first main control PCBA board A3 and charging a first rechargeable battery A4; the power module is connected to the second interface 10, and is connected to an external power source through the second interface 10.
The communication module is used for acquiring sensor data of the power equipment through a wireless network and communicating with the smart phone. The communication module comprises a WIFI communication unit, a Bluetooth communication unit and a wireless network communication unit, and the acquisition of sensor data and near field communication of the power equipment can be realized in various modes of WiFi, bluetooth, 2.4G, 433M, loRa; for example, an SF6 sensor can be used in the field for detecting the concentration of SF6 gas in the environment; various electric quantity or non-electric quantity sensor data on the power equipment are collected.
Additionally, the second main control PCBA board B41 may be connected to an external power source through the third interface 13 to charge the second rechargeable battery B5.
When first master control PCBA board A3 is connected through connecting wire D with second master control PCBA board B41, can carry out power management to first rechargeable battery A4 and second rechargeable battery B5 by the power module on first master control PCBA board A3, promote once and detect host computer A and laser range finder B4 duration. In addition, when the electric quantity of the smart phone C is measured, the first interface 15 can supply power to the smart phone C, and therefore the whole cruising ability is further improved.
According to another aspect of the disclosure, a polling method is provided, which is applied to a smart phone C connected to the above-mentioned handheld polling device for detecting electrical equipment, and includes the following steps:
s1: logging in a background server by verifying identity information;
after an intelligent inspection APP main interface arranged in the intelligent mobile phone C is opened, a login authentication management function key is clicked, a login interface is entered, application for agreement on satellite positioning is prompted, and a geographic position positioning function is achieved through a GPS/A-GPS or Beidou system of the intelligent mobile phone C and is used for providing geographic position information in the inspection process; then, the user can select 'face recognition', 'fingerprint recognition' or 'password login' to verify the identity information, and the verification information and the geographic position information are sent to the background server.
S2: acquiring a routing inspection task corresponding to the identity information;
after logging in the background server, downloading the corresponding inspection task from the background server according to the corresponding identity information, and after confirming the inspection task, the user can start to carry out intelligent inspection. Wherein, the APP can be patrolled and examined according to GPS locating information to intelligence, draws the work route of patrolling and examining automatically, and looks over at any time and patrols and examines progress and work task on next step.
S3: acquiring detection data, and generating a diagnosis result by analyzing a diagnosis model;
the detection data comprise image/video data, ozone concentration data, temperature and humidity data, audible sound data, ultrasonic data and electronic tag data of the power equipment, and corresponding diagnosis results are generated through the intelligent inspection APP and the stored analysis diagnosis model.
S4: and uploading the diagnosis result to a background server.
According to another aspect of the disclosure, an inspection device (i.e. an intelligent inspection APP) is provided, and an inspection method using the inspection device includes: the system comprises a login management module, a task management module, an information reading module and a detection and diagnosis module.
The login management module is used for logging in the background server by verifying the identity information.
The task management module is used for determining the current executed inspection task.
The information reading module is used for reading data collected by the multifunctional handheld patrol instrument used for detecting the power equipment and positioning data of the smart phone C. Wherein the collected data comprises: reading the RFID electronic tag of the tested electrical equipment through an electronic tag card reader 8 on the polling instrument; positioning the position information of the electronic equipment through a GPS or Beidou positioning function; reading nameplate information of the electrical equipment by identifying the image data; and reading the bar code or two-dimensional code information of the electrical equipment through a bar code identification function. After the identification information of the current tested electrical equipment is automatically identified, the information such as the ledger information, the historical detection data, the historical inspection record and report form, the equipment history and the current monitoring data of each phase of the tested electrical equipment can be further downloaded in a background server optionally.
The detection and diagnosis module is internally provided with an analysis and diagnosis model and used for generating a diagnosis result according to the data read by the information reading module.
Specifically, the detection and diagnosis module comprises a double-vision monitoring and diagnosis unit, an acoustic signal detection and diagnosis unit, a temperature rise load performance index diagnosis unit and a vibration signal detection and diagnosis unit; the double-vision monitoring and diagnosing unit, the acoustic signal detecting and diagnosing unit, the temperature rise load performance index diagnosing unit and the vibration signal detecting and diagnosing unit are respectively pre-stored with corresponding analysis and diagnosis models. Specific detection and diagnosis modes can be selected through an intelligent inspection APP interface, namely, the selected analysis and diagnosis model is determined for analysis and diagnosis. After the analysis and diagnosis are finished each time, the system defaults to automatically store all the detection data and the diagnosis result data, and a user can choose not to store or delete the data according to the detection condition. In the functional module, a user can also select to view all the detection original data, view a data analysis chart, view diagnosis result data and a diagnosis report.
In this embodiment, visible light lens 2 is the same with 3 angles of infrared camera lens, shoots power equipment's real-time image or video, and APP can be carried out image processing and diagnosis according to image or video data of real-time collection to intelligence patrolling and examining, realizes the temperature measurement and the fault location to power equipment. The images of the two lenses can be displayed on the screen of the mobile phone in parallel, and optionally, the visible light image and the infrared thermal image are fused into one image for displaying through an image fusion technology. The infrared thermal image is identified using a pseudo-color technique. And the LED high-light lamp is used for lighting of photographing and video recording.
The detection host A is provided with an audible sound pickup 5 and an ultrasonic sound pickup 6, and can monitor audible sound signals and ultrasonic signals simultaneously, so that simultaneous apposition analysis and diagnosis of the sound signals and the ultrasonic partial discharge signals are realized. The sound emitted by the power equipment during normal operation has certain regularity, and when a fault occurs, the partial discharge and mechanical fault can generate abnormal sound, and the sound characteristics of the abnormal sound can be changed accordingly. Therefore, according to the acoustic signal detection diagnosis model trained according to the change of the acoustic characteristics of the power equipment, the intelligent patrol inspection APP can distinguish and identify various sound sources of different sources and frequencies, and therefore normal noise and abnormal sound sources can be judged more accurately. The sound signal detection and the ultrasonic partial discharge signal detection are simultaneously carried out by the same equipment, and in the comprehensive diagnosis, two different types of audio signals can be respectively analyzed and processed, and then synchronous comparison and judgment are carried out, so that an accurate power equipment state diagnosis result is obtained. When the detection host A is used for collecting acoustic signals, the detection host A is not required to be coupled with signal collection equipment on the power equipment body, a user is not required to contact with the electrified equipment, the structure of the power equipment cannot be damaged by the detection method, the anti-electric interference capability is high, and the normal operation of the equipment is not influenced.
The temperature and humidity sensor 12 arranged on the panel of the detection host A can detect temperature and humidity data of the environment at any time. The temperature and humidity data can be used for multi-parameter comprehensive diagnosis of on-site electrical equipment. A temperature rise load performance index diagnosis unit in the intelligent inspection APP adopts a power equipment temperature rise load performance index diagnosis method, and a load current and temperature relation model is applied to monitoring and diagnosis of power equipment, so that the accuracy and reliability of monitoring and diagnosis of the power equipment are improved.
The ozone concentration sensor 11 equipped on the panel of the detection host A is used for monitoring and diagnosing the ozone concentration. The detection host A collects (or receives) field ozone concentration data, and the intelligent inspection APP judges the abnormal state. The ozone concentration is a special abnormal phenomenon when the indoor high-voltage power equipment is subjected to partial discharge, and the possibility and the partial discharge severity of the field power equipment are judged in an auxiliary mode by monitoring the ozone concentration. Is an auxiliary tool for the inspection work of the ozone concentration sensor
The side of the detection host A is provided with an analog signal acquisition port 9 for connecting a sensing detection device with analog signal output in an inspection field, such as a connection ultrasonic sensor or a vibration sensor attached to a power transformer, and a digital signal processing module in the detection host A can perform A/D conversion on the acquired analog signal to obtain a digital signal which is provided for intelligent inspection APP for comprehensive diagnosis.
The vibration signal detection and diagnosis unit adopts a fault diagnosis model based on vibration and BP neural network to process, analyze and diagnose the vibration simulation signal, and specifically comprises the following steps:
s10, acquiring vibration signal sound pressure of each area of the transformer through a vibration sensor, and obtaining the area where the maximum vibration source is located according to the vibration signal sound pressure;
s20, collecting a vibration signal for the area where the maximum vibration source is located through a vibration signal measuring module;
and S30, carrying out transformer fault diagnosis on the vibration signal by adopting a BP neural network algorithm.
Through the collection of the vibration signals of the transformer in the steps S10 and S20 and the combination of transformer fault diagnosis of the vibration signals through the BP neural network algorithm, the precision of the fault diagnosis can be greatly improved, and therefore the defect that the fault diagnosis of the transformer is difficult through the vibration signals of the transformer state information is overcome.
Further, in this embodiment, the detection and diagnosis module may further divide the diagnosis results into four levels: grade I, normal; level II, attention; grade III, early warning; class iv, alarm, such as:
| grade | Device condition diagnostics |
| Ⅰ | Is normal |
| Ⅱ | Attention |
| Ⅲ | Early warning |
| Ⅳ | Alarm device |
And performing comprehensive diagnosis of the equipment state according to the grade of the diagnosis result of the equipment state to obtain the grade of the health state of the equipment, such as:
| device health status rating | Grade of diagnostic result of each state |
| Health care | All are I |
| Sub-health | All below III, and any one of II |
| Hidden trouble | All are below IV and have any one of III |
| Major failure | Has any one IV |
And then automatically generating a corresponding detection diagnosis report according to each result grade corresponding to the diagnosis result and the evaluated health state of the equipment. The intelligent inspection APP can independently call the obtained detection data to generate and diagnose results, and automatically generate a detection diagnosis report; and optionally, the detection diagnosis report is combined with the patrol inspection report corresponding to the patrol inspection task and is sent to the background server.
To sum up, the handheld inspection instrument, the inspection method and the device for detecting the power equipment integrate the sensors with various different parameters, the detection function, the diagnosis function, the communication function and the inspection management function in one device, can realize the full coverage of the inspection function of the multifunctional handheld inspection instrument on the power equipment, reduce the trouble that inspection personnel need to carry various test instruments in the inspection working process, and simplify the inspection work. The intelligent inspection APP software configuration is used in the handheld inspection instrument, has a powerful monitoring function and an analysis and diagnosis function, can communicate with a remote background instantly, guarantees effectiveness and timeliness of inspection work, accurately and rapidly obtains a diagnosis result, and provides effective equipment and technical support for inspection work of power equipment.
The integrated units described in this application may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A handheld appearance of patrolling for power equipment detects which characterized in that includes: the detection host and the ranging handle;
the detection host comprises a shell, a clamping mechanism and a first main control PCBA board, wherein the shell is fixedly connected with the clamping mechanism, and the clamping mechanism is used for being fixedly connected with the smart phone; the first master control PCBA board is arranged in the shell;
the first master control PCBA board is connected with a shooting mechanism, an ozone concentration sensor and a temperature and humidity sensor and is respectively used for collecting image/video data, ozone concentration data, temperature and humidity data; the shooting mechanism comprises a visible light lens and an infrared lens, and the image/video data comprises visible light image/video data and infrared image/video data;
the distance measuring handle comprises a connecting cover plate, a laser distance measuring instrument and a handle; the bottom of the laser range finder is fixedly connected with the handle; the connecting cover plate is fixedly connected with the top of the laser range finder and the bottom of the shell respectively;
the laser range finder comprises a detection window, and the detection window, the visible light lens and the infrared lens are arranged in the same direction;
the first master control PCBA board is connected with the laser range finder, and distance data between the first master control PCBA board and a measured object are collected through the laser range finder;
the first master control PCBA board is connected with the smart phone and used for sending the collected data to the smart phone.
2. The hand-held patrol instrument for electric equipment detection according to claim 1,
the shell also comprises a front host shell, a rear host shell and an interface sliding mechanism; the clamping mechanism and the interface sliding mechanism are respectively and fixedly connected with the host rear shell, and the host front shell is fixedly connected with the host rear shell;
the interface sliding mechanism comprises a sliding block and a sliding shaft, and the sliding block moves on the sliding shaft in the Z-axis direction;
first master control PCBA board still is connected with first interface, first interface setting is in on the slider for be connected with the smart mobile phone.
3. The handheld patrol instrument for detecting the electric equipment as claimed in claim 2, wherein:
a handle is further arranged on one side of the host front shell; the hand (hold) top is equipped with key assembly, key assembly is including shooing the button, it is connected with first master control PCBA board to shoot the button, is used for control shoot the mechanism and shoot.
4. The handheld patrol instrument for detecting the electric equipment as claimed in claim 3, wherein:
the laser range finder also comprises a laser optical component, a second master control PCBA board and a switch key; the switch key is connected with the second master control PCBA board; the second master control PCBA board is connected with the first master control PCBA board;
the laser optical component is used for transmitting and receiving laser signals, and the second master control PCBA is used for calculating corresponding distance data according to time difference of the transmitted and received laser signals and sending the distance data to the first master control PCBA.
5. The handheld patrol instrument for detecting the electric equipment according to any one of claims 2 to 4, wherein:
the handle is of a hollow structure and is internally provided with a first rechargeable battery; the first rechargeable battery is connected with the first main control PCBA board;
the handle is also internally provided with a second rechargeable battery, and the second rechargeable battery is connected with the laser range finder.
6. The handheld patrol instrument for detecting the electric equipment as claimed in claim 5, wherein:
the front shell of the host is also provided with an audible sound pickup and an ultrasonic sound pickup; the audible sound pickup and the ultrasonic sound pickup are respectively and independently connected with the first master control PCBA board III;
the first master control PCBA board is also provided with an electronic tag card reader and an analog signal acquisition port;
the electronic tag card reader is used for identifying an electronic tag of equipment;
the analog signal acquisition port is used for connecting sensing detection equipment.
7. The handheld patrol instrument for detecting the electric equipment as claimed in claim 6, wherein:
the first master control PCBA board includes: the device comprises a video processing module, an audio processing module, a digital signal processing module, a power supply module and a communication module;
the video processing module is respectively and independently connected with the visible light lens and the infrared lens;
the audio processing module is respectively and independently connected with the audible sound pickup and the ultrasonic sound pickup;
the digital signal processing module is respectively and uniformly connected with the ozone concentration sensor and the temperature and humidity sensor and an analog signal acquisition port, and is used for converting acquired analog signal data into digital signal data;
the power module is used for supplying power to the first master control PCBA board and charging a first rechargeable battery;
the communication module is used for acquiring sensor data of the power equipment through a wireless network and communicating with the smart phone.
8. An inspection method applied to a smart phone connected with the handheld inspection instrument for detecting the electric power equipment as claimed in any one of claims 1 to 7, and characterized by comprising the following steps:
logging in a background server by verifying identity information;
acquiring a routing inspection task corresponding to the identity information;
acquiring detection data, and generating a diagnosis result by analyzing a diagnosis model;
and uploading the diagnosis result to the background server.
9. An inspection apparatus using the inspection method according to claim 8, comprising:
the system comprises a login management module, a task management module, an information reading module and a detection diagnosis module;
the login management module is used for logging in the background server by verifying the identity information;
the task management module is used for determining the currently executed inspection task;
the information reading module is used for reading data collected by the multifunctional handheld patrol instrument for power equipment detection and positioning data of the smart phone;
and the detection and diagnosis module is internally provided with an analysis and diagnosis model and used for generating a diagnosis result according to the data read by the information reading module.
10. The inspection device according to claim 9, wherein:
the detection and diagnosis module comprises a double-vision monitoring and diagnosis unit, an acoustic signal detection and diagnosis unit, a temperature rise load performance index diagnosis unit and a vibration signal detection and diagnosis unit;
the double-vision monitoring diagnosis unit, the acoustic signal detection diagnosis unit, the temperature rise load performance index diagnosis unit and the vibration signal detection diagnosis unit are respectively pre-stored with corresponding analysis diagnosis models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379113.8A CN115811672A (en) | 2022-11-04 | 2022-11-04 | Handheld inspection instrument for power equipment detection, inspection method and inspection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211379113.8A CN115811672A (en) | 2022-11-04 | 2022-11-04 | Handheld inspection instrument for power equipment detection, inspection method and inspection device |
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| CN115811672A true CN115811672A (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211379113.8A Pending CN115811672A (en) | 2022-11-04 | 2022-11-04 | Handheld inspection instrument for power equipment detection, inspection method and inspection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309055A (en) * | 2023-09-28 | 2023-12-29 | 国网重庆市电力公司电力科学研究院 | Electric power inspection test equipment |
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2022
- 2022-11-04 CN CN202211379113.8A patent/CN115811672A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117309055A (en) * | 2023-09-28 | 2023-12-29 | 国网重庆市电力公司电力科学研究院 | Electric power inspection test equipment |
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