CN107300398A - A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously - Google Patents
A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously Download PDFInfo
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- CN107300398A CN107300398A CN201710509654.0A CN201710509654A CN107300398A CN 107300398 A CN107300398 A CN 107300398A CN 201710509654 A CN201710509654 A CN 201710509654A CN 107300398 A CN107300398 A CN 107300398A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/005—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 with correlation of navigation data from several sources, e.g. map or contour matching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/16—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
- G01C21/165—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation combined with non-inertial navigation instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0257—Hybrid positioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3866—Transceivers carried on the body, e.g. in helmets carried on the head
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously, category portable dam field.It sets intelligent helmet control module in standard security inner helmet；Several sensors and a wireless WIFI communication antenna are set outside the standard security helmet；Using multithreaded architecture, on the kernels of μ C/OS II independent task is separately designed for tasks such as communication, measurement, signal analysis and processings, data are exchanged between task by way of signal and shared drive, each thread collaborative work completes the tasks such as collection, buffer-stored and the communication transmission of data；Using machine vision, inertia motion measurement and WIFI location technologies, realization be accurately positioned in the transformer and distribution power station room with labyrinth, can accurate tracking operating personnel movement locus and avoid operating personnel reach mistake operating position execution job task.It can be widely used for inspection and the management domain of transformer and distribution power station power equipment.
Description
Technical field
The invention belongs to portable dam field, more particularly to a kind of inspection device for electric inspection process.
Background technology
Transformer station is the core control hinge of power networks at different levels, and interior electrical equipment of standing needs to be inspected periodically.
At present, in preceding Power Line Inspection System, the imperfect monitoring system of working environment state for live patrol officer
System, during whole inspection, the position of staff, video, sound, gas concentration do not have accurate data monitoring, it is impossible to protect
Witness's work work quality and the safe condition of staff.
Also, the working method that present power system is manually detected remains as writing record, and under many circumstances, electric power
The problem of system, is complicated and changeable, and the deviation of generation problem description is easy to without auxiliary informations such as images, in this case,
It is difficult to which system problem progress multi-department information is shared, promote problem localization, cause operating efficiency low down to a certain degree.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of communicated based on WIFI while supporting positioning and data transfer
Electric inspection process device.It combines the design that safety cap in current power system carries out hardware, software and location algorithm, with reference to can
Wearable device and wireless network, realize distributed capture data, distributed transmission structure, personnel positioning, route planning function.Pin
The drawbacks of in transformer station's manual inspection mode, with reference to the application demand of current transformer station, greatly enhance artificial inspection
The reliability and security surveyed in scene, personnel positioning precision are less than 1 meter, and class formation patrolled and examined track；Simultaneously inside power network
Substantial amounts of real time data can be provided in terms of inspection management, the labor intensity of staff is reduced.
The technical scheme is that：A kind of 1. communicated based on WIFI are provided and support the electric power of positioning and data transfer simultaneously
Inspection device, including the standard security helmet that patrol officer wears, it is characterized in that：
In the inner tip of the standard security helmet, intelligent helmet control module, described intelligent helmet control module are set
At least include cpu system, power-supply system, infrared measurement of temperature circuit, sound detection circuit, environment temperature/humidity measuring circuit, oxygen contain
Amount detection circuit and video interface circuit；
In the outside of the standard security helmet, several sensors and a wireless WIFI communication antenna are set；
Wherein, described cpu system uses multithreaded architecture, is communication, measurement, signal analysis on the kernels of μ C/OS- II
Separately design with the task such as processing and exchange data between independent task, task by way of signal and shared drive, each thread
Cooperate the tasks such as the collection for completing data, buffer-stored and communication transmission；
Described intelligent helmet control module, using machine vision, inertia motion measurement and WIFI location technologies, is realized
It is accurately positioned in transformer and distribution power station room with labyrinth, the movement locus of accurate tracking operating personnel and avoids operation people
The operating position that member reaches mistake performs job task.
Specifically, described several sensors include infrared temperature-test sensor, sound detection sensor, environment temperature/humidity
Detect circuit and oxygen content detection circuit.
Specifically, described intelligent helmet control module, in transformer and distribution power station indoor wireless WIFI environment, the letter of collection
Breath is sent to inspection operation centralized watch and control software in central station of floating dock monitoring equipment, and carry out in database storage and
It has been shown that, while showing acquisition parameter information in wrist-watch.
Further, described intelligent helmet control module, in transformer and distribution power station indoor wireless WIFI environment, realize with
Indoor positioning function based on WIFI wireless networks.
Further, described intelligent helmet control module, using the indoor positioning function based on WIFI wireless networks,
Using machine vision, inertia motion measurement and WIFI location technologies, realize and be accurately positioned in indoor with labyrinth,
Movement locus for accurate tracking operating personnel performs job task with the operating position for avoiding operating personnel from reaching mistake.
Further, described intelligent helmet control module, including video location analytic unit, WIFI positioning units,
Inertial positioning unit and location data integrated unit；
Described video location analytic unit includes obtaining video data stream from outside camera first and being converted to regarding
Frequency image is stored in internal buffer, then extracts important geometry, morphology and SIFT feature from view data, and with
Image identification unit is matched according to characteristics of image with the image and feature prestored, in some worked as and pre-defined
Or multiple images matching degree it is high when, by the visual theory in motion measure camera to surface image distance and
Orientation, and be modified to obtain higher precision in continuous many data frames；
Fingerprint characteristic storehouse of the described WIFI positioning units based on storage inside and the external node information obtained and letter
Number intensity, calculates position of the WIFI nodes in global space coordinate system；
Based on three-dimensional motion speed, acceleration and angle position that described inertial positioning unit is measured by sensor,
Estimate intelligent helmet position move distance increment within a specified time and direction；
Described location data integrated unit handle is respectively tested oneself by picture system, WIFI positioning units, inertial positioning system
The absolute position of amount and positional increment change are integrated, and obtain the positioning result better than each autonomous system.
The image prestored described in it comes from remote service end transmission in advance.
In the technical program, described intelligent helmet, using location fingerprint station-keeping mode, by needed for comparison and location
Signal characteristic finger print information obtains target location.
Location fingerprint positioning described in it is divided into two stages：Off-line phase and on-line stage；
In off-line phase, every building all sets up a location fingerprint database；The location fingerprint database is one
The set of series of calibration sampling point, these calibration sampling points are that collected on the different location points in building, and each position can
See that AP RSS vectors are constituted；
During on-line stage, the calibration sampling point in location fingerprint database is just used to calculate the position that user most possibly occurs
Put, draw final positioning.
Transformer and distribution power station indoor wireless WIFI environment described in the technical program, by be arranged on it is in transformer and distribution power station room,
It is separated by multiple 2.4G wireless modules of 50M intervals installation settings to build and realize.
Compared with the prior art, it is an advantage of the invention that：
It is single for information content in traditional routine inspection mode, the drawbacks of personnel safety is not enough, using by traditional routine inspection mode
The mode being combined with wearable device, makes full use of GPS technology, embedded, the technology such as radio communication, have developed safety patrol inspection
The wearable device of operation.The informationization of inspection operation is realized, the operating efficiency of equipment routing inspection is greatly enhanced
And quality, reduce patrol officer labor intensity and risk, for polling transmission line operational management provide one kind it is innovative
Equipment detection and monitoring means.
Brief description of the drawings
Fig. 1 is the structural representation of intelligent helmet control module of the present invention；
Fig. 2 is the tower structure schematic diagram of intelligent helmet software systems of the present invention；
Fig. 3 is the step block diagram in two stages of fingerprint location；
Fig. 4 is that fingerprinting localization algorithm realizes program circuit in the present invention.
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Originally it is that scheme provides a kind of communicated based on WIFI while supporting the electric power of positioning and data transfer to patrol in Fig. 1
Checking device, including the standard security helmet that patrol officer wears, its inventive point are：
In the inner tip of the standard security helmet, intelligent helmet control module, described intelligent helmet control mould are provided with
Block at least includes cpu system, power-supply system, infrared measurement of temperature circuit, sound detection circuit, environment temperature/humidity measuring circuit, oxygen
Content detection circuit and video interface circuit；
In the outside of the standard security helmet, several sensors and a wireless WIFI communication antenna are provided with；
Wherein, described cpu system uses multithreaded architecture, is communication, measurement, signal analysis on the kernels of μ C/OS- II
Separately design with the task such as processing and exchange data between independent task, task by way of signal and shared drive, each thread
Cooperate the tasks such as the collection for completing data, buffer-stored and communication transmission；
Described intelligent helmet control module, using machine vision, inertia motion measurement and WIFI location technologies, is realized
It is accurately positioned in transformer and distribution power station room with labyrinth, the movement locus of accurate tracking operating personnel and avoids operation people
The operating position that member reaches mistake performs job task.
Above-mentioned several sensors include infrared temperature-test sensor, sound detection sensor, environment temperature/humidity measuring circuit
Circuit is detected with oxygen content.
The main sensors unit arranged on the helmet is as shown in the table.
| Sequence number | Sensor | Installation site |
| 1 | Camera | Front/top |
| 2 | Infrared temperature sensor | Left side |
| 3 | Sound transducer | Right side |
| 4 | Environment temperature sensor | Rear portion |
| 5 | Temperature/humidity sensor | Rear portion |
| 6 | Oxygen sensor | Rear portion |
| 7 | Communication antenna (WIFI positioning) | Rear portion |
Main functional circuit includes cpu system, power-supply system, infrared measurement of temperature circuit, video interface circuit in system.Wherein
Cpu system includes six parts：CPU element, EEPROM, communicating circuit, reset circuit, display control unit grade part.CPU is selected
Multilayer board and surface packaging technique are used with ARM7 family chip STM32F429xxx chips CPU card, outward appearance is compact, knot
Structure is compact.Power-supply system is managed using TP4057 as lithium cell charging, and MCU is powered using SGM2019.Infrared measurement of temperature circuit
Degree sensor be built-in with 18 high-precision adcs, in real time obtain temperature and by temperature inversion be digital form.
The operating system that intelligent helmet in the technical program is embedded using μ C/OS- II as FTU, μ C/OS- II are one
Plant transplantable, can cut, implantable ROM's, preemptive type, real-time multi-task operating system kernel.Draw in μ C/OS- II
Enter after Embedded System Design, the design of application program can be with modularization, can be by complicated program stratification, according to function
Multiple tasks are divided into, multiple tasks can write respectively, but design the communication mode between task in advance, such program will
Easily development and maintenance.
Intelligent helmet system is separately designed on the kernels of μ C/OS- II for tasks such as communication, measurement, signal analysis and processings
Between independent task, task data are exchanged by way of signal and shared drive.
Intelligent helmet software systems basic framework is as shown in Figure 2.
The intelligent helmet software systems use multithreaded architecture, and each thread, which cooperates, to be completed the collection of data, buffers and deposit
The task such as storage and communication transmission.
Wherein, main thread is responsible for the establishment and resource management of system task, including creates and start other task lines
Journey, coordinates each process works and completes inspection job task.
Infrared measurement of temperature thread is responsible for the management and temperature survey of infrared temperature sensor, and equipment temperature is read by I2C buses
Degrees of data.
Video acquisition thread is responsible for the initialization and parameter setting, video data communication, the conversion of video image of camera
The functions such as storage.
Sound collection thread completes the continuous acquisition and buffer-stored of voice signal, and voice signal is adopted by high-speed AD passage
Collection, is transmitted by dma mode.
Multi-parameters sampling thread completes the measurement of environment temperature, humidity, oxygen content etc..
Storage management thread completes the management of common storage buffering area, allows data normal, orderly in each cross-thread
Ground circulates.
Power management thread completes the power work mode inside the monitoring of supply voltage and the measurement of power consumption, optimization, carries
The high standby and activity duration.
On the one hand radio communication service thread realizes that wireless positioning measurement is calculated, and tracks the track of operating personnel.The opposing party
Face completes being wirelessly transferred for data, and sensing data, image and voice data that each worker thread is gathered etc. is sent to collection
Middle monitoring system.
On WIFI wireless locations：
WIFI signal equally can realize transmission in the case where there is barrier obstruction, be influenceed less by non line of sight.Based on nothing
Line LAN location technology is exactly the characteristic information of real-time reception radio signal, and deduces target place by analyzing and processing
Position.Currently, most alignment systems based on WLAN are carried out by the receiving intensity (RSS) to wireless signal
Processing positioning.Therefore more precisely positioned based on WLAN positioning based on received signal strength.
Intelligent helmet in the technical program uses location fingerprint station-keeping mode.
Location fingerprint positioning is divided into two stages：Off-line phase and on-line stage, as shown in Figure 3.
In off-line phase, every building is required for setting up a location fingerprint database.Location fingerprint database is one
The set of series of calibration sampling point, these calibration sampling points are that collected on the different location points in building, and each position can
See that AP RSS vectors are constituted.
During on-line stage, the calibration sampling point in location fingerprint database is just used to calculate the position that user most possibly occurs
Put, draw final positioning.It is as shown in Figure 4 that it implements step.
(1) off-line phase.Off-line phase can see a calibration process as, and location fingerprint is built for gathering signal intensity
Database.One oneself disposed in radio local network environment, a fixed number is selected according to the Distribution Pattern of building and size first
The position of amount as referring to sampling point, with reference to sampling point spacing according to actual conditions depending on, can be 1m, 2m etc., in the ginseng chosen
The visible AP of multi collect RSS values will be carried out by examining on sampling point, the signal data collected will be stored in location fingerprint database.
(2) on-line stage.After the completion of off-line phase, terminal is saved in location fingerprint database in each reference sampling point
On each AP signal intensity that may detect that.When terminal is positioned, by the RSS for each AP that may detect that on terminal position
Vector is sent to location-server, the history number in real time data and database that server reports terminal according to location algorithm
According to matching operation is carried out, the reference sampling point with real time data best match, best match are calculated from location fingerprint database
Reference sampling point can be used as the estimated location of terminal.
In the technical program, described intelligent helmet control module, in transformer and distribution power station indoor wireless WIFI environment,
The information of collection is sent to inspection operation centralized watch and control software in central station of floating dock monitoring equipment, and enters in database
Row storage and display, while showing acquisition parameter information in wrist-watch.
In the technical program, directly or by install at the scene the wireless location sensor based on N51822CPU with patrolling
The intelligent helmet that inspection personnel wear carries out calculating so as to network by 2.4G wireless communications by 2.4G network transmissions characteristic
The position of acquisition personnel, obtains existing by LM35 temperature sensors, Gas Sensor oxygen sensors, Risym photoelectric sensors
The environmental information of field, can also pass through communication network and obtain job task, obtain the mandate to equipment operation；Simultaneously should also energy
Enough operation behaviours to operating personnel carry out necessary record.
Further, the intelligent helmet in the technical program, including video location analytic unit, WIFI positioning units,
Inertial positioning unit and location data integrated unit；
Wherein, video location analytic unit includes obtaining video data stream from outside camera first and is converted to video
Image is stored in internal buffer, then extracts important geometry, morphology and SIFT feature from view data, and with figure
As recognition unit is matched according to characteristics of image with the image and feature prestored, when and some pre-defined or
When multiple images matching degree is high, the visual theory in motion is measured into distance and side of the camera to surface image
Position, and be modified to obtain higher precision in continuous many data frames.
Fingerprint characteristic storehouse of the WIFI positioning units based on storage inside and the external node information and signal intensity obtained,
Calculate position of the WIFI nodes in global space coordinate system.
Based on three-dimensional motion speed, acceleration and angle position that inertial positioning unit is measured by sensor, intelligence is estimated
Can helmet position move distance increment within a specified time and direction；
Location data integrated unit by picture system, WIFI positioning units, each measurement of inertial positioning system it is exhausted
Position and positional increment change are integrated, to obtain the positioning result better than each autonomous system.
Its image prestored comes from remote service end transmission in advance.
Intelligent helmet described in it, using location fingerprint station-keeping mode, passes through the signal characteristic fingerprint needed for comparison and location
Acquisition of information target location.
Described location fingerprint positioning is divided into two stages：Off-line phase and on-line stage；
In off-line phase, every building all sets up a location fingerprint database；The location fingerprint database is one
The set of series of calibration sampling point, these calibration sampling points are that collected on the different location points in building, and each position can
See that AP RSS vectors are constituted；
During on-line stage, the calibration sampling point in location fingerprint database is just used to calculate the position that user most possibly occurs
Put, draw final positioning.
Further, the wireless WIFI environment in transformer and distribution power station room, by be arranged on it is in transformer and distribution power station room, be separated by
Multiple 2.4G wireless modules of 50M intervals installation settings build and realized.
Technical scheme, the drawbacks of in transformer station's manual inspection mode, with reference to the application of current transformer station
Demand, it is proposed that new wearable auxiliary inspection device system, improves the reliability and security in artificial detection scene.
Substantial amounts of real time data is provided in terms of inspection management inside power network simultaneously, the labor intensity of staff is reduced.It is basic herein
On, system can further upgrade, and wearable device is combined with crusing robot, further improve efficiency and reliability, its city
Field application prospect is widely.
It the method can be widely used in inspection and the management domain of transformer and distribution power station power equipment.
Claims (10)
1. a kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer, including patrol officer to wear simultaneously
The standard security helmet, it is characterized in that：
In the inner tip of the standard security helmet, intelligent helmet control module is set, and described intelligent helmet control module is at least
Including cpu system, power-supply system, infrared measurement of temperature circuit, sound detection circuit, environment temperature/humidity measuring circuit, oxygen content inspection
Slowdown monitoring circuit and video interface circuit；
In the outside of the standard security helmet, several sensors and a wireless WIFI communication antenna are set；
Wherein, described cpu system uses multithreaded architecture, is communication, measurement, signal analysis and place on the kernels of μ C/OS- II
The tasks such as reason are separately designed exchanges data by way of signal and shared drive between independent task, task, each thread collaboration
Work completes the tasks such as collection, buffer-stored and the communication transmission of data；
Described intelligent helmet control module, using machine vision, inertia motion measurement and WIFI location technologies, realize with
It is accurately positioned in the transformer and distribution power station room of labyrinth, the movement locus of accurate tracking operating personnel and avoids operating personnel from arriving
Job task is performed up to the operating position of mistake.
2. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 1 based on WIFI, its
Be characterized in that described several sensors include infrared temperature-test sensor, sound detection sensor, environment temperature/humidity measuring circuit and
Oxygen content detects circuit.
3. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 1 based on WIFI, its
It is characterized in described intelligent helmet control module, in transformer and distribution power station indoor wireless WIFI environment, the information of collection is sent to
Inspection operation centralized watch and control software in central station of floating dock monitoring equipment, and stored and shown in database, together
When acquisition parameter information is shown in wrist-watch.
4. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 1 based on WIFI, its
It is characterized in described intelligent helmet control module, in transformer and distribution power station indoor wireless WIFI environment, realizes with WIFI wireless networks
Based on indoor positioning function.
5. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 4 based on WIFI, its
It is characterized in described intelligent helmet control module, using the indoor positioning function based on WIFI wireless networks, is regarded using machine
Feel, inertia motion measurement and WIFI location technologies, realize and be accurately positioned in indoor with labyrinth, for accurately with
The movement locus of track operating personnel and the operating position for avoiding operating personnel from reaching mistake perform job task.
6. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 5 based on WIFI, its
Be characterized in described intelligent helmet control module, including video location analytic unit, WIFI positioning units, inertial positioning unit and
Location data integrated unit；
Described video location analytic unit includes obtaining video data stream from outside camera first and is converted to video figure
As being stored in internal buffer, important geometry, morphology and SIFT feature, and and image are then extracted from view data
Recognition unit is matched according to characteristics of image with the image and feature prestored, when and some pre-defined or many
When individual images match degree is high, the visual theory in motion is measured into distance and side of the camera to surface image
Position, and be modified to obtain higher precision in continuous many data frames；
Fingerprint characteristic storehouse of the described WIFI positioning units based on storage inside and the external node information obtained and signal are strong
Degree, calculates position of the WIFI nodes in global space coordinate system；
Based on three-dimensional motion speed, acceleration and angle position that described inertial positioning unit is measured by sensor, estimation
Intelligent helmet position move distance increment within a specified time and direction；
Described location data integrated unit is passing through picture system, WIFI positioning units, inertial positioning system each measurement
Absolute position and positional increment change are integrated, and obtain the positioning result better than each autonomous system.
7. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 6 based on WIFI, its
It is characterized in that the described image prestored comes from remote service end transmission in advance.
8. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 1 based on WIFI, its
It is characterized in described intelligent helmet, using location fingerprint station-keeping mode, passes through the signal characteristic finger print information needed for comparison and location
Obtain target location.
9. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 8 based on WIFI, its
It is characterized in that described location fingerprint positioning is divided into two stages：Off-line phase and on-line stage；
In off-line phase, every building all sets up a location fingerprint database；The location fingerprint database is a series of
The set of sampling point is calibrated, these calibration sampling points are to collect visible AP on different location points in building, and each position
RSS vector constitute；
During on-line stage, the calibration sampling point in location fingerprint database is just used to calculate the position that user most possibly occurs, and obtains
Go out final positioning.
10. the electric inspection process device of positioning and data transfer is supported simultaneously according to being communicated described in claim 3 based on WIFI, its
Be characterized in described transformer and distribution power station indoor wireless WIFI environment, by be arranged on it is in transformer and distribution power station room, be separated by 50M intervals and install
The multiple 2.4G wireless modules set build and realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509654.0A CN107300398A (en) | 2017-06-28 | 2017-06-28 | A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509654.0A CN107300398A (en) | 2017-06-28 | 2017-06-28 | A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107300398A true CN107300398A (en) | 2017-10-27 |
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| CN201710509654.0A Pending CN107300398A (en) | 2017-06-28 | 2017-06-28 | A kind of communicated based on WIFI supports the electric inspection process device of positioning and data transfer simultaneously |
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Application publication date: 20171027 |