CN204906573U - Construction area personnel's access and positioning system based on UWB and video image technological incorporation - Google Patents
Construction area personnel's access and positioning system based on UWB and video image technological incorporation Download PDFInfo
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- CN204906573U CN204906573U CN201520605240.4U CN201520605240U CN204906573U CN 204906573 U CN204906573 U CN 204906573U CN 201520605240 U CN201520605240 U CN 201520605240U CN 204906573 U CN204906573 U CN 204906573U
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Abstract
The utility model discloses a construction area personnel's access and the positioning system of UWB and video image technological incorporation. This system includes the ultra wide band radio frequency range finding recognin system of fixing a position the construction region personnel and takes a candid photograph discernment to the image of construction area entry personnel access and assist the subsystem. The utility model has the advantages that: : through image recognition and the dual technique of radio frequency identification, it is correct to guarantee to get into construction region personnel identity, simultaneously can whether wear the safety helmet by measurement personnel, thereby from personnel's identity and personnel safety protection measure, it detects the personnel that get into construction region to monitor many -side such as regional personnel's access monitoring especially, elimination construction region people is the potential safety hazard, compare with traditional UWB access & exit management system, detection incident kind is more abundant, detection accuracy, positioning accuracy and detection efficiency are higher.
Description
Technical field
The utility model relates to a kind of construction safety service observation equipment.Particularly relate to construction area personnel's access and the navigation system of UWB and video image technological incorporation.
Background technology
In order to accelerate west lags far construction, keep economic stability sustainable growth, China's fund that has high input builds the means of transportation such as highway, railway.2015, the transport development gross investment of western 12 provinces will more than 6,000 hundred million yuan.Wherein, Qian Diansan investment-saving, river scale will reach 3,500 hundred million yuan, account for the over half of investment in Western China scale.Therefrom can find out the determination and confidence of China to western economic development.
Because China is western, particularly Dian Sansheng geographical conditions in Guizhou Province, river are complicated, mostly are mountain region or hilly country, and along with technological progress, the Decision Making of Line Schemes that when building highway, many employings " are cut-off " is to shorten running time, therefore tunnel proportion in the project of mountain area is larger.Compare other types tunnel due to highway and there is the features such as section is larger, shaped flat, because of but a high risk construction project, security situation allows of no optimist.
Mainly concentrate in advance for the technique study improving construction safety at present, in thing, three phases, the i.e. several aspect of construction technology, risk control, security monitoring and emergency disposal afterwards.Wherein, the effective means of security monitoring measure as safety management in work progress and the important evidence of emergency disposal afterwards, but transport science and techonologies area research is less at present.
Summary of the invention
The purpose of this utility model is to provide construction area personnel's access navigation system of a kind of UWB and video image technological incorporation, to solve construction area personnel's access location, is convenient to carry out unified management to personnel, improves the technical problem of supervisory efficiency.
In order to realize foregoing invention object, the technical scheme that the utility model adopts is as follows:
Construction area personnel's access of UWB and video image technological incorporation and a navigation system, this system comprises the ultra-wide band radio-frequency range finding recognition subsystem of construction area personnel positioning and the video capture identification assistant subsystem to construction area entrance personnel access; The range finding of described ultra-wide band radio-frequency recognition subsystem, i.e. UWB base station, comprise the RFID label tag that workmen wears, the ultra broadband UWB personal identification devices possessing radio-frequency (RF) identification and radio distance-measuring function and the ultra broadband positioning equipment possessing personnel positioning and tracking; Described video capture identification assistant subsystem is the head end video identification equipment with Computer Vision function, i.e. ARM embedded video image processing terminal; Described UWB base station is connected with background server by wifi or Ethernet interface, and ARM embedded video image processing terminal is connected with background server by Ethernet.
Advantage of the present utility model:
Construction area personnel's access navigation system based on UWB and video image technological incorporation has stable, reliable, anti-interference, that extensibility is strong feature.
Based on construction area personnel's access system of UWB and video image technological incorporation under the perfect prerequisite of assurance function, equipment cost is lower.
Adopt UWB ranging technology, range accuracy can reach 0.5 meter.
Adopt the construction area personnel's access system based on UWB and video image technological incorporation, be convenient to carry out unified management to personnel, improve supervisory efficiency.
System has the current and history personnel of inquiry and enters information, and anomalous event alarm function.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Embodiment
Concrete structure of the present utility model is shown in Figure 1.Construction area personnel's access of UWB and video image technological incorporation and a navigation system, this system comprises the ultra-wide band radio-frequency range finding recognition subsystem of construction area personnel positioning and the video capture identification assistant subsystem to construction area entrance personnel access; The range finding of described ultra-wide band radio-frequency recognition subsystem, i.e. UWB base station, comprise the RFID label tag that workmen wears, the ultra broadband UWB personal identification devices possessing radio-frequency (RF) identification and radio distance-measuring function and the ultra broadband positioning equipment possessing personnel positioning and tracking; Described video capture identification assistant subsystem is the head end video identification equipment with Computer Vision function, i.e. ARM embedded video image processing terminal; Described UWB base station is connected with background server by wifi or Ethernet interface, and ARM embedded video image processing terminal is connected with background server by Ethernet.
The utility model be based on ultra broadband wireless radiofrequency recognition technology, based on wireless pulses flight time/basis is researched and developed time difference ranging technology, the video front acquisition technique based on ARM embedded technology, the safe wearing cap recognition technology based on image steganalysis etc., possesses the personnel management system of the multi-functionals such as construction area personnel's access management, potential safety hazard investigation, key area personnel's management and control, and in conjunction with China's construction area actual application environment, economically viable construction area personnel's access that research is formed and navigation system.
Construction area personnel's access navigation system based on UWB and video image technological incorporation of the present utility model is divided into construction area entrance personnel access and construction area personnel positioning two subsystems, realize personnel's access function at area entry place and adopt UWB and Computer Vision integration technology, solve workmen and leak the identification that band UWB label enters operation place, non-workmen breaks in the identification of constructing tunnel deathtrap, the event once note abnormalities, give the alarm to safety manager immediately, and event content and event associated video are carried out association file, administrative staff are facilitated to consult.Construction area security monitoring, mainly by UWB personnel positioning function, realizes the functions such as the current and historical position inquiry of deathtrap personnel's access function, personnel.
Specific functional modules is as follows:
This system respectively arranges a frame web camera at separate type hole, embedded image treatment facility, personnel positioning equipment, a desktop computer (on computer installation personnel orientation management and video monitoring software).In tunnel workmen everyone configure a slice RFID label tag, label record workmen's basic condition information and accept training, certification information of holding, RFID and image recognition are merged access system and to be differentiated workmen's identity according to following table and let pass to the person of conforming with the regulations.
Wherein UWB positioning equipment adopts unlimited pulse time-of-flight ranging technology, and precision can reach 10cm under unobstructed condition, can lay one every 30-50 rice, and area label quantity is 2000, the highest 10000, and position refresh rate is 0.01Hz-50Hz.
Embedded front-end acquiring and processing device based on video image identification adopts Cortex-A9 tetra-core framework, the CPU of 1.5GHz, 1GBDDR3 internal memory, 8GBeMMC4.41 high speed flash memory, have 5,000,000 pixel high definition CMOS camera of USB interface, count detection error is less than 3%.
Function
This system adopts modularized design, can realize following concrete function:
Staff attendance function
System is by UWB and the dual identification of video image processing technology, and the accurate event of record workmen access tunnel, realizes staff attendance function.
Break in personal identification function
System adopts UWB and Computer Vision integration technology, has workmen and leaks the recognition function that band UWB label enters the identification of operation place, non-workmen breaks in constructing tunnel deathtrap.Wherein, UWB recognition function UWB precision distance measurement, and with position system data intercommunication, collaborative personnel's access tunnel event to be detected.Computer Vision function can detect whether someone passes through, whether safe wearing cap, in conjunction with ranging data, label within 0.5 meter and safety cap testing result are bound, and carry out event classification according to table 1, thus achieve the data fusion of video detection and UWB radio-frequency (RF) identification testing result.
Personnel positioning function
System, by UWB location algorithm, realizes personnel positioning function, determines the position of workmen in tunnel, can detect events such as breaking in key monitoring region.
Affair alarm function
When systems axiol-ogy is to when breaking in the event such as deathtrap, leakage tape label, system gives the alarm to administrative staff, and anomalous event is write daily record, can according to logout quick-searching video image.
Data communication function
Every platform locating base station, by WIFI networking, is connected to background server.
Claims (1)
1. construction area personnel's access of a UWB and video image technological incorporation and navigation system, it is characterized in that, this system comprises the ultra-wide band radio-frequency range finding recognition subsystem of construction area personnel positioning and the video capture identification assistant subsystem to construction area entrance personnel access; The range finding of described ultra-wide band radio-frequency recognition subsystem, i.e. UWB base station, comprise the UWB label that workmen wears, the ultra broadband UWB personal identification devices possessing radio-frequency (RF) identification and radio distance-measuring function and the ultra broadband positioning equipment possessing personnel positioning and tracking; Described video capture identification assistant subsystem is the head end video identification equipment with Computer Vision function, i.e. ARM embedded video image processing terminal; Described UWB base station is connected with background server by wifi or Ethernet interface, and ARM embedded video image processing terminal is connected with background server by Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605240.4U CN204906573U (en) | 2015-08-12 | 2015-08-12 | Construction area personnel's access and positioning system based on UWB and video image technological incorporation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520605240.4U CN204906573U (en) | 2015-08-12 | 2015-08-12 | Construction area personnel's access and positioning system based on UWB and video image technological incorporation |
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| Publication Number | Publication Date |
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| CN204906573U true CN204906573U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520605240.4U Active CN204906573U (en) | 2015-08-12 | 2015-08-12 | Construction area personnel's access and positioning system based on UWB and video image technological incorporation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541536A (en) * | 2018-11-29 | 2019-03-29 | 昆山润石智能科技有限公司 | A kind of location tracking system |
| CN112001310A (en) * | 2020-08-24 | 2020-11-27 | 国网上海市电力公司 | Transformer substation operation field safety control system based on visual perception and space positioning |
-
2015
- 2015-08-12 CN CN201520605240.4U patent/CN204906573U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541536A (en) * | 2018-11-29 | 2019-03-29 | 昆山润石智能科技有限公司 | A kind of location tracking system |
| CN109541536B (en) * | 2018-11-29 | 2023-07-21 | 昆山润石智能科技有限公司 | Positioning tracking system |
| CN112001310A (en) * | 2020-08-24 | 2020-11-27 | 国网上海市电力公司 | Transformer substation operation field safety control system based on visual perception and space positioning |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |