CN113613171A - Method and system for accurately managing grounding wire operation based on UWB indoor positioning technology - Google Patents
Method and system for accurately managing grounding wire operation based on UWB indoor positioning technology Download PDFInfo
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- CN113613171A CN113613171A CN202111026266.XA CN202111026266A CN113613171A CN 113613171 A CN113613171 A CN 113613171A CN 202111026266 A CN202111026266 A CN 202111026266A CN 113613171 A CN113613171 A CN 113613171A
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Abstract
The invention relates to a method and a system for accurately managing the operation of a grounding wire based on a UWB indoor positioning technology, wherein a UWB positioning network is established and is communicated with an upper computer; acquiring coordinate information of all target units in the UWB positioning network; acquiring a work request of a target unit, and determining a work place and a work type according to the work request; analyzing the operation type to obtain at least one target object, and acquiring the real-time point location and the operation reference point location of the target object in the operation site; comparing the real-time point location of the target object with the operation reference point location, and sending an alarm signal if the comparison result exceeds a set threshold value; if the comparison result does not exceed the set threshold value, recording; the position of the intelligent grounding wire is automatically monitored in real time, the upper computer is utilized to visually display the hanging connection state, time, place, position, quantity and other information of the grounding wire in space, the installation record and the query of the grounding wire can be visually displayed, the cost of manually managing the temporary grounding wire is reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ground wire operation monitoring, in particular to a method and a system for accurately managing ground wire operation based on a UWB indoor positioning technology.
Background
In the process of carrying out maintenance work on electrical equipment, technical measures such as power failure, electricity testing, grounding wire installation, signboard hanging and obstruction installation and the like must be strictly carried out to ensure the safety of the equipment and operators, wherein the management of the grounding wire is one of important links for ensuring safety production, and the grounding wire plays an important role in the processes of power failure, power transmission and operation of the equipment. However, the storage, use and daily management of the temporary grounding wire in a common power plant or power station are still in a relatively original state, the daily inspection and maintenance of the temporary grounding wire are not continuously recorded and reminded, the daily inspection and maintenance of the grounding wire are not facilitated, the assembly and disassembly records of the grounding wire mostly adopt a manual recording mode, the recorded historical data are easily missed and lost, and an effective control and online monitoring means for the temporary grounding wire is lacked, so that vicious misoperation accidents such as power transmission with grounding wires and live grounding wire installation occur in the production process of an electric power enterprise, the safety of people and equipment is greatly damaged, and great economic loss is caused.
Present operating personnel is traditional portable short circuit earth connection that uses in the maintenance operation, has the effect that prevents suddenly that the incoming telegram from causing the personal electric shock accident, eliminate the response electricity on being examined the maintenance equipment, and traditional earth connection is following 2 some defects occasionally when using:
1. the traditional ground wire management is still in a relatively original state, daily inspection and maintenance of the ground wire are not facilitated, the assembly and disassembly records of the ground wire are mostly recorded manually, and recorded historical data are prone to error, leakage and loss.
2. The traditional grounding wire is usually observed and confirmed manually in the installation process, monitoring and identification are lacked, the problems of mistaken hanging, missing dismounting and the like of the grounding wire easily occur, and the personal safety of maintainers is influenced.
Disclosure of Invention
Aiming at the existing technologies such as: the prior art does not have a monitoring method for monitoring information such as all operation actions and operation tool states in an operation area by a UWB positioning technology; the device is expected to realize overall management of fixed operation places, can accurately identify real-time positioning information of maintainers in the operation process, automatically record the hanging state, hanging time and other related information of the grounding wire, and solve the problems of wrong hanging, wrong hanging and missing of the grounding wire and wrong, missing and loss of the grounding wire record.
Specifically, a UWB indoor positioning technology-based method for accurately managing grounding wire operation is characterized in that a UWB positioning network is established through a UWB base station, and the UWB positioning network is in wireless or wired communication with an upper computer; the operation method comprises the following steps:
acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to the upper computer for decryption to obtain real coordinate information under the UWB positioning network;
acquiring a work request of the target unit, and determining a work place and a work type according to the work request;
analyzing the operation type to obtain at least one target object, and acquiring real-time point positions and operation reference point positions of the target object in the operation site;
comparing the real-time point location of the target object with the operation reference point location, and sending an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording.
Preferably, after acquiring the job request of the target unit, the method further comprises,
and generating an operation time threshold section according to the operation type, and comparing the real-time point location of the target object with the operation reference point location within the operation time threshold section.
Preferably, when the operation type is grounding wire installation operation, the operation place is synchronously acquired, and the target objects are an operation operator, an operation guardian and an operation connecting wire;
within the operation time threshold value period, if the real-time point location of the target object is not received or the real-time point location of the target object is inconsistent with the operation reference point location, generating an alarm signal;
within the operation time threshold value section, the real-time point location of the target object is consistent with the operation reference point location; and automatically recording the information and the real-time position state of all the target objects.
Preferably, when the operation type is a grounding wire dismantling operation;
within the operation time threshold value section, the real-time point location of the target object does not disappear in the operation place, or an alarm signal is generated if the disappearance signal of the target object is not matched with the operation place;
and within the operation time threshold value period, the real-time point location of the target object correctly disappears in the operation place, and the information and the real-time position state of all the target objects are automatically recorded.
Preferably, after the UWB positioning network is established by the UWB base station, a visual map is generated from an electronic map of the work place, and the position information of the target unit and the target object is screen-mapped.
Also discloses a UWB indoor positioning technology-based accurate management grounding wire operating system, which adopts the operating method; the system comprises at least three UWB positioning base stations; establish UWB location network through UWB location basic station, UWB location network and host computer wireless or wired communication: the upper computer comprises a resolving module, a control module, a communication module and a comparison module; the target unit is also provided with a UWB positioning tag, and the UWB positioning tag is communicated with the UWB positioning network;
the control module is used for acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to the resolving module for decryption to obtain real coordinate information under the UWB positioning network;
the control module is used for acquiring the work request of the target unit and determining a work place and a work type according to the work request;
the control module analyzes the operation type to obtain at least one target object, and the target object is also provided with the UWB positioning tag; the control module is used for acquiring real-time point locations and operation reference point locations of a target object in the operation place;
the comparison module compares the real-time point location of the target object with the operation reference point location, and sends out an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording.
Preferably, the upper computer further comprises a time unit; after the control module obtains the operation request of the target unit, the time unit is used for generating an operation time threshold section according to the operation type, and the comparison module compares the real-time point location of the target object with the operation reference point location within the operation time threshold section.
Preferably, the upper computer further comprises a storage unit, the operation type is ground wire installation operation or ground wire removal operation, and after the ground wire installation operation or the ground wire removal operation is completed, the storage unit is used for automatically recording information and real-time position states of all the target objects.
Preferably, the upper computer further comprises a display unit, and after the UWB positioning network is established through the UWB positioning base station, the display unit generates a visual map through an electronic map of the work place, and performs screen calibration on the position information of the target unit and the target object.
Preferably, the positioning system further comprises a UWB reference base station, and the method for forming the UWB positioning network by the UWB reference base station and the UWB positioning base station comprises the following steps:
when the target unit or the target object enters the operation place, the UWB positioning tag starts to broadcast UWB signals;
said UWB reference base station and each said UWB positioning base station receiving UWB signals broadcast by said UWB positioning tags and generating a corresponding reception time stamp (t0, t1, t2, t 3);
after the UWB reference base station receives UWB signals broadcasted by a UWB positioning label, the working mode is converted from a receiving mode to a transmitting mode, UWB signal broadcasting for the first time is carried out after fixed time delay TD1, and after the UWB positioning base station receives the broadcast signals sent by the UWB reference base station, receiving time stamps (tp1, tp2 and tp3) are triggered;
the UWB reference base station performs UWB signal broadcasting for the second time after fixed time delay TD 2; and when the positioning base station receives the broadcast signal sent by the reference base station, triggering to generate a receiving time stamp (tb1, tb2 and tb3), and performing three-dimensional coordinate operation according to the time stamp (t0, t1, t2, t3, tp1, tp2 and tp3) obtained by the UWB positioning base station to obtain the three-dimensional coordinate of the UWB positioning label.
The invention has the beneficial effects that: compared with the prior art, the invention is a method and a system for accurately managing the operation of the grounding wire based on the UWB indoor positioning technology, a UWB positioning network is established through a UWB base station, and the UWB positioning network is in wireless or wired communication with an upper computer; acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to an upper computer for decryption to obtain real coordinate information under the UWB positioning network; acquiring a work request of a target unit, and determining a work place and a work type according to the work request; analyzing the operation type to obtain at least one target object, and acquiring the real-time point location and the operation reference point location of the target object in the operation site; comparing the real-time point location of the target object with the operation reference point location, and sending an alarm signal if the comparison result exceeds a set threshold value; if the comparison result does not exceed the set threshold value, recording; carry out real-time automatic monitoring to the position of intelligence earth connection, shorten the check time of earth connection, it is simple, convenient, it is quick, utilize the host computer to carry out the visual presentation of space to information such as ground connection, time, place, the position, quantity, the earth connection is installed the record and is inquired and can both audio-visual display, the cost of manual management earthing for work line has been reduced, the work efficiency is improved, and can hang to the earth connection hourglass, the mistake is hung, the hourglass is torn open, phenomenon such as wrong dismantlement is reported to the police, the safety management level of earth connection has effectively been improved, the life safety to the protection maintainer has played the important role.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a flow chart of a method of optimization of the present invention;
FIG. 3 is a flow chart of a further preferred method of the present invention;
FIG. 4 is a UWB positioning network architecture diagram of the present invention;
FIG. 5 is a schematic diagram of UWB indoor positioning solution of the present invention;
FIG. 6 is a diagram of an operating system architecture of the present invention;
fig. 7 is a flow chart of the operation of the present invention.
The main element symbols are as follows:
1. a UWB positioning base station; 11. a UWB positioning tag; 12. a UWB reference base station; 13. a communication unit; A. a UWB positioning network;
2. an upper computer; 21. a resolving module; 22. a control module; 23. a communication module; 24. a comparison module;
25. a time unit; 26. a storage unit; 27. a display unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
The following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Furthermore, the terms "horizontal", "vertical", "suspended", and the like do not imply that the components are required to be absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
UWB (ultra Wide band) is a carrier-free communication technology, utilizes nanosecond to microsecond non-sine wave narrow pulse transmission data to adopt various positioning algorithms, and is suitable for different scenes. And the algorithm has high fault tolerance and strong adaptability. The UWB positioning system adopts an advanced wireless positioning technology, can complete positioning and ranging in a very short time, simultaneously adopts a wireless activation mode, realizes perfect combination of accurate positioning and low power consumption, can realize high-precision real-time positioning and can switch to area positioning with ultra-low power consumption, has an area awakening function, can realize positioning only in a required area, automatically sleeps in other areas, and greatly prolongs the working time of a positioning terminal. For indoor positioning requirements, UWB is certainly a suitable high-precision positioning technology.
In the prior art, although the UWB technology is used in a plurality of indoor positioning scenes, the management of the ground wire is not disclosed, but the use condition of the ground wire is more special, the ground wire is often used in cooperation with objects or persons with uncertain positions such as equipment to be overhauled and overhaul personnel, and the whole process is interspersed in the process of overhauling and safe hanging, so that even if the UWB positioning is used, the specific application scenes need to be deeply researched and specified; in the use process of the specific grounding wire, technical measures such as power failure, electricity testing, grounding wire installation, signboard hanging and obstruction installation and the like must be strictly executed to ensure the safety of equipment and operators, wherein the management of the grounding wire is one of important links for ensuring the safety production, and the grounding wire plays an important role in the power outage and transmission of the equipment and the operation process. Therefore, the storage management of the grounding wire cannot be managed by manpower alone, the daily inspection and maintenance of the grounding wire are not facilitated, meanwhile, the disassembly and assembly process needs to further confirm the state of equipment in an electronic mode, real-time monitoring and preparation are really achieved, and real-time monitoring and processing also need to be carried out in the using process of the grounding wire. In order to solve the defects of the prior art, the scheme adopts the UWB technology as the positioning technology, and can monitor the use state of the grounding wire under the conditions of low power consumption, long time effect and high precision.
Specifically, referring to fig. 1, a UWB positioning network is established through a UWB base station, and the UWB positioning network is in wireless or wired communication with an upper computer; the operation method comprises the following steps:
acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to an upper computer for decryption to obtain real coordinate information under the UWB positioning network; because a plurality of UWB positioning network areas may exist at the same time, in order to prevent the disorder of the positioning information, the real positioning information is obtained by encrypting and then decrypting at an upper computer, and during the period, the communication module of the UWB positioning network can communicate with the upper computer through the Ethernet;
acquiring a work request of a target unit, and determining a work place and a work type according to the work request; as various operation types and corresponding operation places are possible in the operation area, the confirmation and the data calling are required to be carried out according to the request of a target unit, namely a worker, so that the whole management process is very ordered;
analyzing the operation type to obtain at least one target object, and acquiring the real-time point location and the operation reference point location of the target object in the operation site; the target object is an article or a worker related to the operation, such as equipment to be overhauled, a grounding wire with an intelligent UWB positioning tag and the like, and an actual operation reference point position where the equipment to be overhauled is located can be directly obtained through an upper computer, so that the whole operation process can be accurately mastered;
comparing the real-time point location of the target object with the operation reference point location, and sending an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording. The hanging state and hanging position of the intelligent grounding wire are detected in real time and automatically monitored, and relevant information such as the hanging state, hanging time and the like of the grounding wire is automatically recorded.
In this embodiment, please refer to fig. 2-3, after obtaining the job request of the target unit, further include,
and generating an operation time threshold section according to the operation type, and comparing the real-time point location of the target object with the operation reference point location within the operation time threshold section. When a maintainer needs to carry out ground wire installation work, information of a working place, an operator and a guardian needs to be input in an upper computer system, and then the maintainer can go to the working place to carry out installation work; after the maintainers input the operation information, the upper computer system starts timing; through further limiting of the operation time threshold value section, the overhaul dynamics of the maintainers can be accurately controlled, and therefore the high efficiency of the whole operation process and the safety of the maintainers are guaranteed.
In the present embodiment, please refer to fig. 2-3, when the job type is a ground wire installation job, the job site is synchronously obtained, and the target objects are a job operator, a job guardian and a job connection wire;
within the operation time threshold value period, if the real-time point location of the target object is not received or the real-time point location of the target object is inconsistent with the operation reference point location, generating an alarm signal;
within the operation time threshold value section, the real-time point location of the target object is consistent with the operation reference point location; and automatically recording the information and the real-time position state of all the target objects. The real-time state of the whole operation process is fully judged through the limitation of time and the point position change of the cooperative articles in different operation types.
When the operation type is the grounding wire dismantling operation;
within the operation time threshold value section, the real-time point location of the target object does not disappear in the operation place, or an alarm signal is generated if the disappearance signal of the target object is not matched with the operation place;
and in the operation time threshold value section, the real-time point location of the target object correctly disappears in the operation place, and the information and the real-time position state of all the target objects are automatically recorded.
In the present embodiment, after the UWB positioning network is established by the UWB base station, a visual map is generated from an electronic map of a work place, and the position information of the target unit and the target object is screen-mapped. Due to the fact that regional point positions and accurate positioning of all target units and target objects are carried out, visual display can be achieved, and management personnel can conveniently monitor a plurality of task processes in real time.
Also disclosed is a UWB indoor positioning technology-based operating system for accurately managing ground wires, please refer to fig. 4 and 6; adopting the above operation method; comprises at least three UWB positioning base stations 1; establish UWB positioning network A through UWB location basic station, UWB positioning network passes through communication unit 13 and host computer 2 wireless or wired communication: the upper computer 2 comprises a resolving module 21, a control module 22, a communication module 23 and a comparison module 24; the target unit is also provided with a UWB positioning tag 11, and the UWB positioning tag 11 is communicated with a UWB positioning network;
the control module is used for acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to the resolving module for decryption to obtain real coordinate information under the UWB positioning network;
the control module is used for acquiring a work request of a target unit and determining a work place and a work type according to the work request;
the control module analyzes the operation type to obtain at least one target object, and the target object is also provided with a UWB positioning tag; the control module is used for acquiring real-time point locations and operation reference point locations of a target object in an operation place;
the comparison module compares the real-time point location of the target object with the operation reference point location, and sends out an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording.
In this embodiment, the upper computer 2 further includes a time unit 25; after the control module obtains the operation request of the target unit, the time unit is used for generating an operation time threshold section according to the operation type, and the comparison module compares the real-time point location of the target object with the operation reference point location within the operation time threshold section.
In this embodiment, the upper computer 2 further includes a storage unit 26, and the operation type is a ground wire installing operation or a ground wire removing operation, and after the ground wire installing operation or the ground wire removing operation is completed, the storage unit is used for automatically recording information and real-time position status of all the target objects. All point location information and task details are recorded, and later-stage checking can be facilitated.
In this embodiment, the upper computer 2 further includes a display unit 27, and after the UWB positioning network is established by the UWB positioning base station, the display unit generates a visual map by using an electronic map of a work place, and performs screen calibration on the position information of the target unit and the target object.
The UWB positioning network is further established by a UWB reference base station 12, and referring to fig. 5, the method for forming the UWB positioning network by the UWB reference base station and the UWB positioning base station is as follows:
when a target unit or a target object enters a working place, the UWB positioning tag starts to broadcast UWB signals;
the UWB reference base station and each UWB positioning base station receive UWB signals broadcasted by the UWB positioning tag and generate a corresponding receiving time stamp (t0, t1, t2, t 3);
after the UWB reference base station receives UWB signals broadcasted by the UWB positioning tag, the working mode is converted from a receiving mode to a transmitting mode, UWB signal broadcasting for the first time is carried out after fixed time delay TD1, and after the UWB positioning base station receives the broadcast signals sent by the UWB reference base station, receiving time stamps are triggered and generated (tp1, tp2 and tp 3);
the UWB reference base station performs UWB signal broadcasting for the second time after the fixed time delay TD 2; and when the positioning base station receives the broadcast signal sent by the reference base station, triggering to generate a receiving time stamp (tb1, tb2 and tb3), and performing three-dimensional coordinate operation according to the time stamp (t0, t1, t2, t3, tp1, tp2 and tp3) obtained by the UWB positioning base station to obtain the three-dimensional coordinate of the UWB positioning label. After the UWB positioning base station and the reference base station are installed, the relative distance is fixed, under the condition that the positioning base station normally operates, the arrival time stamps tp1, tp2, tp3 of the broadcast signals sent by the reference base station are equal to the arrival time stamps tb1, tb2 and tb3 of the broadcast signals sent by the reference base station, and if the arrival time stamps are not equal, the UWB base station fault is indicated. Because the propagation speed of the UWB signal is fixed, the three-dimensional coordinate operation can be performed by using the time stamps (t0, t1, t2, t3, tp1, tp2, tp3) obtained by the positioning base station to obtain the three-dimensional coordinate of the UWB positioning tag, thereby realizing the positioning function.
Examples
Referring to fig. 7, a UWB positioning base station and a UWB reference base station are installed in a working area; the UWB positioning tags are installed on the ground wire and other objects, for the ground wire, the UWB positioning tags are fixed on an insulating handle of the ground wire, the shell is made of PC/ABS alloy plastic, the wear is not easy, the surface can be kept smooth and flat for a long time, and the UWB positioning tags can broadcast UWB signals in a positioning space and communicate with a UWB base station. When a maintainer needs to carry out ground wire installation work, information of a working place, an operator and a guardian needs to be input in an upper computer system, and then the maintainer can go to the working place to carry out installation work; after the maintenance personnel input the operation information, the upper computer system starts timing, if the upper computer does not receive the positioning information returned by the UWB base station of the operation site or the received positioning information is not matched with the installation site within the set time, the phenomena of missed hanging and mistaken hanging of the grounding wire are shown, the upper computer immediately sends an alarm signal to remind relevant maintenance personnel to check the inspection; if the upper computer receives the positioning information matched with the installation place within the set time, the upper computer judges that the intelligent grounding wire is successfully and correctly hung, automatically records the installation place, the installation time, the operator, the guardian and other related information of the grounding wire, and simultaneously displays the state of the grounding wire in real time in a picture, so that the inspection by a maintainer is facilitated; when a maintainer needs to remove the grounding wire, the information of the grounding wire, an operator and a guardian needing to be removed is selected and confirmed in an upper computer system, then the upper computer system goes to a working place to carry out grounding wire removal work, at the moment, the upper computer starts to time, if the intelligent grounding wire positioning information of the working place received by the upper computer does not disappear within a set time, or an intelligent grounding wire positioning information disappearance signal is not matched with the working place, the phenomena of missing and wrong removal of the grounding wire are judged to occur, and the upper computer immediately sends an alarm signal to remind related maintainers of checking; if the upper computer receives the signal that the positioning information of the intelligent grounding wire of the operation place disappears within the set time, the upper computer judges that the intelligent grounding wire is successfully and correctly removed, automatically records the removal time of the grounding wire, the relevant information of an operator, a guardian and the like, and simultaneously displays the state of the grounding wire in real time in a picture.
The invention has the advantages that:
shorten the time of checking of earth connection, it is simple, convenient, quick, utilize the host computer to carry out the visual presentation in space to information such as the state of articulating of earth connection, time, place, position, quantity, the earth connection is installed the record and is inquired and can both direct-viewing display, the cost of manual management earthing connection temporarily has been reduced, the work efficiency is improved, and can report to the police to phenomena such as earth connection hourglass string, the mistake is hung, leak to tear, the mistake is torn open, the safety control level of earth connection has effectively been improved, the life safety to the maintainer has played the important role.
The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. An accurate management grounding wire operation method based on UWB indoor positioning technology is characterized in that a UWB positioning network is established through a UWB base station, and the UWB positioning network is in wireless or wired communication with an upper computer; the operation method comprises the following steps:
acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to the upper computer for decryption to obtain real coordinate information under the UWB positioning network;
acquiring a work request of the target unit, and determining a work place and a work type according to the work request;
analyzing the operation type to obtain at least one target object, and acquiring real-time point positions and operation reference point positions of the target object in the operation site;
comparing the real-time point location of the target object with the operation reference point location, and sending an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording.
2. The method for accurately managing the grounding wire operation based on the UWB indoor positioning technology according to claim 1, further comprising, after obtaining the operation request of the target unit:
and generating an operation time threshold section according to the operation type, and comparing the real-time point location of the target object with the operation reference point location within the operation time threshold section.
3. The UWB indoor positioning technology based ground wire operation method for precise management is characterized in that when the operation type is ground wire installation operation, the operation place is synchronously acquired, and the target objects are an operation operator, an operation guardian and an operation connection wire;
within the operation time threshold value period, if the real-time point location of the target object is not received or the real-time point location of the target object is inconsistent with the operation reference point location, generating an alarm signal;
within the operation time threshold value section, the real-time point location of the target object is consistent with the operation reference point location; and automatically recording the information and the real-time position state of all the target objects.
4. The method for accurately managing the operation of the grounding wire based on the UWB indoor positioning technology according to claim 3, wherein when the operation type is a grounding wire removing operation;
within the operation time threshold value section, the real-time point location of the target object does not disappear in the operation place, or an alarm signal is generated if a disappearance signal of the target object is not matched with the operation place;
and within the operation time threshold value period, the real-time point location of the target object correctly disappears in the operation place, and the information and the real-time position state of all the target objects are automatically recorded.
5. The UWB indoor positioning technology based ground wire operation method for precise management according to claim 3, wherein after a UWB positioning network is established through a UWB base station, a visual map is generated through an electronic map of the operation place, and screen calibration is performed on the position information of the target unit and the target object.
6. An operating system for accurately managing a grounding wire based on UWB indoor positioning technology, characterized in that the operating method of any one of the above claims 1-5 is adopted; the system comprises at least three UWB positioning base stations; establish UWB location network through UWB location basic station, UWB location network and host computer wireless or wired communication: the upper computer comprises a resolving module, a control module, a communication module and a comparison module; the target unit is also provided with a UWB positioning tag, and the UWB positioning tag is communicated with the UWB positioning network;
the control module is used for acquiring coordinate information of all target units in the UWB positioning network, encrypting the coordinate information and then sending the encrypted coordinate information to the resolving module for decryption to obtain real coordinate information under the UWB positioning network;
the control module is used for acquiring the work request of the target unit and determining a work place and a work type according to the work request;
the control module analyzes the operation type to obtain at least one target object, and the target object is also provided with the UWB positioning tag; the control module is used for acquiring real-time point locations and operation reference point locations of a target object in the operation place;
the comparison module compares the real-time point location of the target object with the operation reference point location, and sends out an alarm signal if the comparison result exceeds a set threshold value; and if the comparison result does not exceed the set threshold value, recording.
7. The UWB indoor positioning technology based ground wire operation system for precise management is claimed in claim 6, wherein the upper computer further comprises a time unit; after the control module obtains the operation request of the target unit, the time unit is used for generating an operation time threshold section according to the operation type, and the comparison module compares the real-time point location of the target object with the operation reference point location within the operation time threshold section.
8. The UWB indoor positioning technology based ground wire operation system of claim 7 wherein the upper computer further comprises a storage unit, the operation type is a ground wire installation operation or a ground wire removal operation, and after the ground wire installation operation or the ground wire removal operation is completed, the storage unit is used for automatically recording information and real-time position status of all the objects.
9. The UWB indoor positioning technology based ground wire operation system for precise management is characterized in that the upper computer further comprises a display unit, after a UWB positioning network is established through a UWB positioning base station, the display unit generates a visual map through an electronic map of the operation place, and the position information of the target unit and the target object is subjected to image calibration.
10. The UWB indoor positioning technology based ground wire operation system of accurate management of claim 6 further comprises a UWB reference base station, and the UWB reference base station and the UWB positioning base station form a UWB positioning network by the method of:
when the target unit or the target object enters the operation place, the UWB positioning tag starts to broadcast UWB signals;
said UWB reference base station and each said UWB positioning base station receiving UWB signals broadcast by said UWB positioning tags and generating a corresponding reception time stamp (t0, t1, t2, t 3);
after the UWB reference base station receives UWB signals broadcasted by a UWB positioning label, the working mode is converted from a receiving mode to a transmitting mode, UWB signal broadcasting for the first time is carried out after fixed time delay TD1, and after the UWB positioning base station receives the broadcast signals sent by the UWB reference base station, receiving time stamps (tp1, tp2 and tp3) are triggered;
the UWB reference base station performs UWB signal broadcasting for the second time after fixed time delay TD 2; and when the positioning base station receives the broadcast signal sent by the reference base station, triggering to generate a receiving time stamp (tb1, tb2 and tb3), and performing three-dimensional coordinate operation according to the time stamp (t0, t1, t2, t3, tp1, tp2 and tp3) obtained by the UWB positioning base station to obtain the three-dimensional coordinate of the UWB positioning label.
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