CN-122027977-A - Pumped storage power station personnel positioning system and positioning method

CN122027977ACN 122027977 ACN122027977 ACN 122027977ACN-122027977-A

Abstract

The invention provides a personnel positioning system and a positioning method of a pumped storage power station, wherein the system comprises a positioning terminal module, a positioning base station module, a data processing module and an early warning module, the positioning terminal module comprises a safety helmet with a built-in UWB positioning chip, an identity identification unit and an RFID label, a mobile phone with a built-in WiFi module and an identity authentication unit, the two modules are bound with personnel identity to form an identity-terminal binding group, the positioning base station module adopts a built-in WiFi AP with multiple slots, the built-in WiFi AP is inserted into the UWB positioning chip and an integrated RFID reading unit to realize co-station deployment, and the data processing module comprises a position comparison, identity verification and position correction unit and the early warning module is used for realizing on-site and remote early warning. According to the invention, through dual positioning verification of UWB and WiFi and unique binding of identity and terminal, the problem of substitution operation loopholes of the traditional positioning system is effectively solved, positioning precision is improved by combining RFID correction, and co-station deployment is reduced in cost, so that reliable guarantee is provided for operation and maintenance safety of the pumped storage power station.

Inventors

LUO YUANLIN
XU JUNYANG
WU YUECHAO
CAI PEIPEI

Assignees

中国电建集团华东勘测设计研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20260209

Claims (8)

1. The personnel positioning system of the pumped storage power station is characterized by comprising a positioning terminal module, a positioning base station module and a data processing module; The positioning terminal module comprises a safety helmet with a built-in UWB positioning chip and an identity identification unit and a mobile phone with a built-in WiFi module and an identity authentication unit, wherein the identity identification unit stores unique safety helmet identification information, the identity authentication unit stores unique mobile phone identification information, the safety helmet identification information and the mobile phone identification information are both uniquely bound with identity information of the same wearer, and the mobile phone identification information and the associated safety helmet identification information form an identity-terminal binding group; The positioning base station module comprises a WiFi AP with a plurality of built-in slots, and one slot of the WiFi AP is inserted into the UWB positioning module; The data processing module is respectively in communication connection with the positioning terminal module and the positioning base station module, and is used for receiving the first position information of the safety helmet and the corresponding safety helmet identification information, the second position information of the mobile phone and the corresponding mobile phone identification information, and verifying the attribution consistency of the safety helmet and the mobile phone based on the identity binding relation.
2. The pumped storage power station personnel positioning system of claim 1, wherein the UWB positioning module acquires first position information of the safety helmet in real time through a UWB positioning technology and transmits the first position information and corresponding safety helmet identification information to the data processing module.
3. The pumped storage power station personnel positioning system of claim 1, wherein the WiFi module periodically collects second position information of the mobile phone and transmits the second position information and corresponding mobile phone identification information to the data processing module.
4. The pumped storage power station personnel positioning system according to claim 1, wherein the data processing module comprises a position comparison unit, an identity verification unit and a position correction unit, wherein the position comparison unit receives the first position information and the second position information, calculates position deviation values of the first position information and the second position information, judges whether the position deviation values are within a preset deviation threshold range, and verifies whether the first position deviation values and the second position deviation values belong to the same identity-terminal binding group according to the received safety cap identification information and the mobile phone identification information.
5. The pumped storage power station personnel positioning system according to claim 1, further comprising an early warning module, wherein the early warning module is in communication connection with the data processing module, and when the position comparison unit judges that the position deviation value exceeds a preset deviation threshold value or the identity verification unit verifies that the two are not in the same identity-terminal binding group, the data processing module triggers the early warning module to send a safety early warning signal.
6. The pumped storage power station personnel positioning system of claim 1, wherein the position information acquisition period of the WiFi module of the mobile phone can be dynamically configured through the data processing module, the acquisition period range is 10 s-60 s, and when the first position information acquired by the UWB positioning module is suddenly changed, the data processing module triggers the WiFi module to start instant acquisition.
7. The pumped storage power station personnel positioning system of claim 1, wherein the WiFi AP in the positioning base station module is further integrated with an RFID slot, an RFID reading module is inserted into the RFID slot, an RFID tag is arranged on the safety helmet, the RFID reading module is used for reading RFID tag information and transmitting the RFID tag information to the data processing module, and the data processing module corrects the first position information of UWB positioning by combining the RFID tag information.
8. A pumped storage power station personnel positioning method, characterized in that the positioning method is based on a positioning system according to any one of claims 1-7 and comprises the following steps: S1, initializing a system, binding identity information of operation and maintenance personnel with corresponding safety helmet identification information and mobile phone identification information through a data processing module to form an identity-terminal binding group, and configuring a collection period of a WiFi module and preset deviation thresholds of different areas; S2, after the operation and maintenance personnel wear the safety helmet and carry the mobile phone to enter an operation area, the UWB positioning module acquires first position information of the safety helmet and corresponding safety helmet identification information in real time, and the first position information and the corresponding safety helmet identification information are transmitted to the data processing module through a WiFi AP deployed by the co-station; S3, the WiFi module acquires second position information of the mobile phone and corresponding mobile phone identification information according to a preset period, and transmits the second position information and the corresponding mobile phone identification information to the data processing module through the WiFi AP; S4, a position correction unit of the data processing module corrects the first position information by combining the RFID tag information to obtain corrected first position information; s5, the identity verification unit verifies whether the received safety helmet identification information and the mobile phone identification information belong to the same identity-terminal binding group, and if the verification is not passed, the step S7 is executed; S6, the position comparison unit calculates the position deviation value of the corrected first position information and the corrected second position information, judges whether the position deviation value is within a preset deviation threshold value range, executes the step S7 if the position deviation value exceeds the threshold value, returns to the step S2 to continue positioning if the position deviation value does not exceed the threshold value; and S7, the data processing module triggers the early warning module, sends out on-site early warning through the acousto-optic early warning unit, and sends early warning information to the operation and maintenance monitoring center through the remote notification unit.

Description

Pumped storage power station personnel positioning system and positioning method Technical Field The invention belongs to the technical field of safe operation and maintenance of pumped storage power stations, and particularly relates to a personnel positioning system and a personnel positioning method of a pumped storage power station. Background The pumped storage power station is used as an important energy regulation infrastructure, the operation and maintenance site environment is complex, and the safety of personnel operation is important in various special scenes such as high-voltage equipment, underground plants, water delivery tunnels and the like. The personnel positioning system is one of core technical means for guaranteeing the safety of operation and maintenance personnel and realizing fine management. Currently, a main-stream personnel positioning system of a pumped storage power station mostly adopts a UWB (ultra wide band) positioning base station to be matched with a safety helmet with a built-in positioning chip to realize dynamic positioning. The UWB positioning technology has the advantages of high positioning precision, strong anti-interference capability and the like, and can meet the requirement of a power station on personnel real-time position monitoring. However, the traditional system has obvious security holes that the positioning chip is fixedly integrated with the safety helmet, only the position of the safety helmet can be identified, the real identity of a wearer cannot be effectively associated, and the situation that the safety helmet of other people is worn to replace the work exists. The substitution behavior not only violates operation and maintenance operation standards, but also causes serious equipment damage, casualties and other safety risks due to the problems that operators are not matched with identities, skills are not corresponding to operation tasks and the like. Under the large-scale development background of pumped storage, more and more mobile applications including mobile terminals and applications such as robots, unmanned aerial vehicles, intelligent tool cabinets and the like are on line in a pumped storage power station under the guidance of a new water and electricity engineering feasibility study report preparation procedure, and a corresponding WiFi network becomes a necessary infrastructure. WAPI is taken as a wireless communication standard which we mainly set, a ternary peer-to-peer security architecture is adopted, a wireless access point (WiFi AP) has independent identities, a user side and the AP are directly identified in a two-way mode, a certificate authentication mode and a built-in China domestic cryptographic algorithm SM4 are adopted, so that no security hole is found so far, and the electric power security requirement is met. Therefore, the largest pumped storage operation unit in China has comprehensively developed WAPI network construction, and the WAPI network construction will become a standardized infrastructure of a pumped storage power station in the future. Meanwhile, in order to solve the problems of complicated deployment and high cost of the positioning base station, wiFi AP products with a plurality of built-in slots already appear in the industry, and the positioning modules such as UWB, RFID and the like are supported to be inserted to realize co-station deployment, the technical scheme provides a hardware foundation for optimizing and upgrading the positioning system. Meanwhile, the smart phone becomes a necessary tool for operation and maintenance personnel, and the built-in WiFi module has the position information acquisition capability and can be uniquely bound with personnel identity. Based on the method, how to combine the advantages of the existing hardware products, a positioning system capable of realizing 'one person on one cap and one person on the cap' is designed, the problem of identity recognition loopholes of the traditional system is solved, and the technical problem to be solved in the field of operation and maintenance safety of the current pumped storage power station is urgent. Disclosure of Invention A first object of the present invention is to provide a pumped-storage power station personnel positioning system that addresses the above-mentioned problems. In order to achieve the above purpose, the invention adopts the following technical scheme: A personnel positioning system of a pumped storage power station comprises a positioning terminal module, a positioning base station module and a data processing module; The positioning terminal module comprises a safety helmet with a built-in UWB positioning chip and an identity identification unit and a mobile phone with a built-in WiFi module and an identity authentication unit, wherein the identity identification unit stores unique safety helmet identification information, the identity authentication unit stores unique mobile phone identification informa