During the Labor Day holiday, the Exhibition Hall of Evidence of Crimes Committed by Unit 731 of the Japanese Imperial Army experienced a significant surge in visitors, with average daily foot traffic reaching 20,000 people, creating substantial security challenges. To strengthen safety measures at the scenic area, the Harbin Public Security Bureau directed the Pingfang Branch to implement advanced technological solutions, launching extensive patrol operations for the holiday period. The humanoid police robot, named "Guardian Little Sentinel," officially began duty, working alongside police officers and auxiliary personnel to ensure holiday safety through intelligent support.
The sight of robot police officers attracted considerable attention. "Look, the robot police are on duty—it's so cool!" exclaimed onlookers in the plaza in front of the exhibition hall. Equipped with police vests and smart devices, the "Guardian Little Sentinel" operated in coordination with patrol teams, conducting multi-dimensional surveillance. Many parents and children actively approached the robot to interact, experiencing firsthand the convenience and reassurance brought by smart policing.
As a key achievement in leveraging technology for public security, the "Guardian Little Sentinel" is not only visually striking but also highly functional. "This humanoid police robot can effectively support frontline police work and reduce patrol pressure," explained Song Jianmin, a police officer stationed at the exhibition hall's police station. During the holiday, the robot assisted officers in conducting dynamic patrols and fixed-point surveillance in high-traffic areas, extending the operational range of the police force through coordinated efforts. It is capable of moving autonomously along predefined routes in key zones, forming a "human-robot collaboration" patrol model that ensures comprehensive monitoring of crowded areas and enables prolonged stationary guarding at critical points.
Beyond patrol duties, the "Guardian Little Sentinel" also serves as a mobile information broadcaster. Using its built-in interactive system, it repeatedly broadcasts safety reminders and legal knowledge. Messages such as, "Dear visitors, be cautious of evolving telecom and online fraud schemes: do not click on unfamiliar links, protect your personal information, and do not trust or transfer money to strangers," are delivered in clear, understandable language. The engaging voice interaction helps popularize knowledge about fraud prevention, theft awareness, and civilized tourism, breaking the limitations of traditional publicity methods and making safety education more engaging and widespread.
"The robot's explanations are vivid and easy to remember. My child listened very attentively. This innovative approach to publicity is so down-to-earth," praised Ms. Wang, a tourist from another province, after interacting with the "Guardian Little Sentinel" alongside her child.
To further enhance service efficiency, the Pingfang Branch set up a "Safety Publicity Point" in the plaza, collaborating with multiple police units to provide regular information services. Working closely with officers, the robot offers integrated assistance through voice interaction, on-site explanations, and distribution of materials—covering topics such as anti-fraud measures, safe travel tips, and emergency assistance—bringing security and convenience directly to the public.
On Labor Day itself, an elderly individual consulted the "Guardian Little Sentinel" about fraud prevention. The robot promptly played real-case examples and patiently explained the details, leading the senior to exclaim, "So this is a scam!" The visitor then proactively shared the newly acquired knowledge with other tourists nearby.
The deployment of humanoid police robots represents a concrete step by the Harbin Public Security Bureau to deepen the integration of technology and policing. It not only elevates the intelligence and precision of patrol operations at tourist sites but also highlights the commitment and responsibility of Harbin's police force in safeguarding public safety in the new era.
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