CN211128195U - UWB technology-based cable tunnel constructor positioning safety management device - Google Patents
UWB technology-based cable tunnel constructor positioning safety management device Download PDFInfo
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- CN211128195U CN211128195U CN201921797669.2U CN201921797669U CN211128195U CN 211128195 U CN211128195 U CN 211128195U CN 201921797669 U CN201921797669 U CN 201921797669U CN 211128195 U CN211128195 U CN 211128195U
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Abstract
The utility model discloses a cable tunnel constructor fixes a position safety control device based on UWB technique, including installing UWB location label on the safety helmet, arranging a plurality of UWB location basic stations in cable tunnel, the on-the-spot server who erects in cable tunnel and be located the application platform server of distal end, adopt the encryption mode to carry out 4G radio communication between UWB location label and the UWB location basic station, adopt 4G wireless network to communicate between on-the-spot server and the UWB location basic station, UWB location basic station is received UWB location label and is launched the UWB signal, the UWB data that the on-the-spot server received UWB location basic station are forwarded to the application platform server and are carried out data calculation. The utility model discloses use UWB high accuracy wireless ranging system, through arranging the basic station in the tunnel, for the mode that the personnel wore the label, realize having the advantage of real-time high range finding precision to the real-time range finding between platform truck and personnel.
Description
Technical Field
The utility model belongs to the technical field of the electric power construction, concretely relates to cable tunnel constructor location safety control technique based on UWB technique.
Background
At present, the construction environment of highways and cable tunnels is hard and severe, the work risk coefficient is high, the number of workers is large, tunnel construction enterprises face huge management difficulty, and an efficient and accurate personnel management and safety management system is urgently needed. Due to the GPS positioning technology, the positioning signals reach the ground weakly and cannot penetrate through mountains and buildings such as tunnels, the range of the positioning accuracy which can be achieved is 5m-20m, and the cost of the locator terminal is high.
In addition, the positioning accuracy of the traditional positioning technologies such as RFID, WIFI, ZIGBEE and the like, which are based on field intensity signals and signal quality technologies, is often unsatisfactory.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cable tunnel constructor fixes a position safety control device based on UWB technique is provided exactly, promotes positioning accuracy, and makes the cost reduction of arranging.
In order to solve the technical problem, the utility model adopts the following technical scheme: cable tunnel constructor fixes a position safety control device based on UWB technique, including installing UWB location label on the safety helmet, arrange a plurality of UWB location basic stations in cable tunnel, the on-the-spot server that erects in cable tunnel and be located the application platform server of distal end, adopt encryption mode to carry out 4G wireless communication between UWB location label and the UWB location basic station, adopt 4G wireless network to communicate between on-the-spot server and the UWB location basic station, UWB location base station receives UWB location label and launches the UWB signal, on-the-spot server receives UWB data of UWB location basic station and forwards to the application platform server and carries out data calculation, and a plurality of UWB location basic stations set up to two rows along cable tunnel both sides, and wherein the basic station correspondence of one side is located the intermediate position of two other basic stations in one side.
Preferably, the model of the UWB positioning base station is HXZK-SW.
Preferably, the UWB positioning base station and the UWB positioning tag support two positioning modes of TDoA and ToF.
Preferably, the side of the safety helmet is provided with a slot, and the UWB positioning tag is inserted into the slot.
Preferably, the UWB positioning tag is fixed to the slot by a buckle.
The utility model discloses a personnel's positioning method based on UWB location technique mainly is to use UWB high accuracy wireless ranging system, through deploying the basic station in the tunnel, for the mode that the personnel wore the label, realizes the real-time range finding to platform truck and personnel room to confirm personnel position (for the platform truck) and region. The system has large capacity, good real-time performance, no card leakage and high ranging precision up to 50 cm. The system has real-time high ranging precision, and when a fire disaster occurs in the tunnel and constructors are buried, the positions of the buried constructors are accurately recorded, so that accurate position information is provided for construction rescue.
In the personnel positioning system, the UWB technology is applied, so that the personnel positioning is more accurate, and the management of engineering project personnel is simple. In addition, because the pulse is generated in a mathematical mode and modulated, and the circuits can be integrated on one chip, the equipment cost is greatly reduced, and the construction cost is relatively low.
According to the condition that base stations are deployed in the tunnel, a plurality of UWB positioning base stations are arranged into two rows along two sides of the cable tunnel, and the base station on one side is correspondingly positioned in the middle of the two base stations on the other side, so that positioning full coverage in the cable tunnel can be achieved by using the least base stations.
The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.
Drawings
The invention will be further described with reference to the accompanying drawings and specific embodiments:
fig. 1 is a schematic diagram of an application architecture of the present invention;
fig. 2 is a schematic diagram of deployment of a UWB positioning base station in a cable tunnel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.
The UWB positioning technology belongs to one of wireless positioning technology. Wireless location technology refers to measurement and calculation methods, i.e., location algorithms, used to determine the location of a mobile user. The most common positioning techniques currently used are mainly: time difference of arrival location techniques, signal angle of arrival measurement (AOA) techniques, time of arrival location (TOA) and time difference of arrival location (TDOA), and the like. Among them, TDOA technology is the most popular scheme at present, and is widely used in other systems such as AMPS and CDMA systems in addition to the GSM system, and this technology is also used for UWB positioning.
The UWB is adopted for wireless positioning, the requirement of future wireless positioning can be met, great advantages are achieved in a plurality of wireless positioning technologies, and current researches show that the precision of the UWB positioning can reach dozens of cm in a laboratory environment. In addition, ultra-wideband radio positioning easily combines positioning and communication, and rapidly-developed short-distance ultra-wideband communication undoubtedly drives the development of UWB in the positioning technology, which is difficult to achieve by conventional radio.
Therefore, the UWB positioning technology can be used in a constructor positioning system of intelligent engineering, in particular to a tunnel personnel positioning system.
Referring to fig. 1 and 2, the UWB technology based cable tunnel construction personnel positioning safety management device includes a UWB positioning tag installed on a safety helmet, a plurality of UWB positioning base stations disposed in a cable tunnel, a site server erected in the cable tunnel, and an application platform server located at a remote end, the UWB positioning tag and the UWB positioning base station adopt an encryption mode to carry out 4G wireless communication, the field server and the UWB positioning base station adopt a 4G wireless network for communication, the UWB positioning base station receives UWB signals emitted by the UWB positioning tags, the field server receives UWB data of the UWB positioning base stations and forwards the UWB data to the application platform server for data calculation, the UWB positioning base stations are arranged into two rows along two sides of the cable tunnel, and the base station on one side is correspondingly positioned in the middle of the two base stations on the other side.
Referring to fig. 2, specifically, cables 11 are arranged on two sides of the cable tunnel 1, a pedestrian passageway is arranged in the middle, and a plurality of UWB positioning base stations 12 are arranged along two sides of the pedestrian passageway.
It will be appreciated by those skilled in the art that the UWB location technology described above can be referred to in the art, and that UWB location tags and UWB location base stations can be purchased directly from various models already on the market. For example, the model number of the UWB positioning base station is HXZK-SW. The UWB positioning base station and the UWB positioning label support two positioning modes of TDoA and ToF.
In order to facilitate installation of the UWB positioning tag, a slot is formed in the side face of the safety helmet, and the UWB positioning tag is inserted into the slot.
Furthermore, the UWB positioning tag is fixed with the slot through a buckle.
The utility model discloses a UWB location technique support following function:
1) area location (0 dimension location)
The so-called area positioning is also called 0-dimensional positioning, namely that people are sensed to enter a specific area and accurate coordinates are not specified. The function is mainly used for areas where signal coverage is extremely difficult, multiple devices are erected unconditionally, and the requirement on precision is not high. Such as certain job rooms, equipment interiors, etc.
2) Roadway location (1 dimension location)
The so-called roadway positioning is also called 1-dimensional positioning, namely a precise positioning mode for a narrow and long area like a roadway. The function is mainly used for long and narrow channels or roads such as corridors, channels, roadways, pipelines and the like.
3) Accurate positioning (2 dimension positioning)
The accurate positioning is also called 2-dimensional positioning, that is, the accurate x and y coordinates of the person on the planar map are calculated.
4) Space orientation (3 dimension orientation)
The spatial localization is also called 3-dimensional localization, and actually gives the height of a person on the basis of 2-dimensional localization, namely Z-axis data. The method is mainly realized by base station calibration height or base station layering. For business layer management systems that have or will build 3D maps, this functionality will provide real-time accurate 3D coordinates.
5) Area alarm (electronic fence)
And setting a dangerous or non-permission area is supported, and once a person enters the dangerous or non-permission area, alarm information is sent. This function provides the service management system with the data support needed to manage the area.
6) Static timeout warning
The function is mainly used for sending out alarm information when the label stays at a fixed position for a long time so as to prevent the phenomenon that an operator is dangerous and can not be found.
7) SOS alarm
The function is mainly used for the label to actively send alarm first-aid information, and provides data support for personnel first-aid and active alarm for a service management system.
8) Personnel quantity management
Safety management of building site personnel; and counting the number of constructors and positioning the constructors in real time.
9) Tag battery low battery alarm
The function is mainly used for prompting the current battery power state of the label and providing data support required by label power management for a service management system.
The communication between the helmet type label and the base station is transmitted in a private protocol encryption mode, the base station is provided with a system identification code and a blacklist mechanism and adopts multiple gate-admission terminals to check, the communication between the base station and the server is provided with identity verification and SS L encryption, and the data platform is provided with multiple authentication mechanisms and decryption means.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (5)
1. Cable tunnel constructor fixes a position safety control device based on UWB technique, its characterized in that: including installing UWB location label on the safety helmet, arranging a plurality of UWB location basic stations in cable tunnel, the on-the-spot server who erects in cable tunnel and be located the application platform server of distal end, adopt encryption mode to carry out 4G radio communication between UWB location label and UWB location basic station, adopt 4G wireless network to communicate between on-the-spot server and the UWB location basic station, UWB location base station receives UWB location label and launches UWB signal, on-the-spot server receives UWB data of UWB location basic station and forwards to application platform server and carry out data calculation, and a plurality of UWB location basic stations set up to two rows along cable tunnel both sides, and wherein the basic station correspondence of one side is located the intermediate position of two other one side basic stations.
2. The UWB technology based cable tunnel construction personnel positioning safety management device as set forth in claim 1, wherein: the model of the UWB positioning base station is HXZK-SW.
3. The UWB technology based cable tunnel construction personnel positioning safety management device as set forth in claim 1, wherein: the UWB positioning base station and the UWB positioning label support two positioning modes of TDoA and ToF.
4. The UWB technology based cable tunnel construction personnel positioning safety management device as set forth in claim 1, wherein: the side of safety helmet is equipped with the slot, UWB location label interpolation is in the slot.
5. The UWB technology-based cable tunnel constructor positioning safety management device of claim 4, wherein: the UWB positioning tag is fixed with the slot through a buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921797669.2U CN211128195U (en) | 2019-10-24 | 2019-10-24 | UWB technology-based cable tunnel constructor positioning safety management device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921797669.2U CN211128195U (en) | 2019-10-24 | 2019-10-24 | UWB technology-based cable tunnel constructor positioning safety management device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040395A (en) * | 2020-08-10 | 2020-12-04 | 国网山东省电力公司济宁供电公司 | Cable tunnel internal and ground position co-location system and method |
| CN113395662A (en) * | 2021-06-08 | 2021-09-14 | 中铁工程装备集团有限公司 | Tunnel construction man-machine positioning system and method |
-
2019
- 2019-10-24 CN CN201921797669.2U patent/CN211128195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112040395A (en) * | 2020-08-10 | 2020-12-04 | 国网山东省电力公司济宁供电公司 | Cable tunnel internal and ground position co-location system and method |
| CN113395662A (en) * | 2021-06-08 | 2021-09-14 | 中铁工程装备集团有限公司 | Tunnel construction man-machine positioning system and method |
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