Intelligent Auxiliary Control

Passive Wireless Temperature Monitoring Device

The passive wireless temperature sensor is specifically designed for monitoring the temperature of electrical equipment. Utilizing CT electromagnetic induction power harvesting technology and LoRa wireless communication technology, it addresses the challenges of complex installation in traditional wired temperature monitoring, power supply difficulties in high-voltage scenarios, and data transmission limitations. It can continuously measure temperatures within the range of -45°C to +125°C and upload the data to the terminal according to standard protocols, enabling real-time temperature monitoring of equipment to prevent malfunctions caused by abnormal temperature conditions.

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Circuit Breaker Mechanical Characteristic Monitoring Device

The circuit breaker mechanical characteristic monitoring device is designed for 6kV-35kV circuit breakers of various types. It utilizes synchronous sampling and waveform recording analysis to capture multiple parameters, including coil current during opening/closing operations, contact travel distance, and mechanical vibrations. By analyzing the recorded waveforms and comparing them against a standard curve database, it assesses the breaker's health status, identifies potential defects, and enables real-time condition monitoring with electrical lifespan evaluation, ensuring safe and stable operation of the circuit breaker.

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Distributed Optical Fiber Temperature Sensing System

The distributed optical fiber temperature sensing system is widely utilized across multiple industries including power, petrochemicals, energy, industrial manufacturing, and transportation. It provides continuous temperature monitoring for critical infrastructure such as high-voltage cables, cable tunnels, coal conveyor belts, oil tanks, high-temperature pipelines, and electrical switchgear, as well as storage/transportation facilities for flammable materials. By leveraging distributed fiber optic technology, the system achieves real-time, full-coverage temperature measurement with precise localization of abnormal hotspots. It supports multi-level alarm mechanisms including fixed-temperature, temperature rise, and temperature differential alerts, enabling early warning of thermal hazards. This capability significantly reduces accident risks associated with prolonged equipment overheating, such as fires, power outages/production stoppages, and facility damage, thereby ensuring safe and stable equipment operation while supporting uninterrupted production processes.

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Circuit Breaker Intelligent Transfer Cart

The Circuit Breaker Intelligent Transfer Cart integrates core technologies such as electric control, precise positioning, and multi-level safety protection to address the pain points of traditional operations. Equipped with electric lifting capability, horizontal shifting, and fine/slow adjustment functions, it utilizes laser-assisted positioning to lower the center of gravity during circuit breaker transfer and achieve efficient alignment with switchgear. The cart supports dual-mode operation (handle panel and handheld remote control) and features multiple safety designs including electromagnetic braking, emergency stop switches, and low-voltage protection. Additionally, it retains a manual backup operation option, ensuring both automated efficiency and emergency reliability.

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Dynamic Environment Monitoring Devices

Dynamic environment monitoring terminals and sensor series perform real-time acquisition of environmental parameters such as temperature, humidity, water level, and toxic/harmful gases in substations and distribution rooms. Linkage with equipment such as air conditioners and water pumps achieves intelligent adjustment of environmental conditions. At the same time, the product supports rapid transmission of collected data to service gateways or integrated application hosts, helping users promptly understand environmental conditions and providing effective assurance for stable equipment operation and environmental safety.

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Fire Information Transmission Control Device

Dedicated information acquisition and conversion device for fire monitoring. It can collect multiple types of information in real time, including regional fire alarm controller signals, operating status of independent fixed fire extinguishing systems, analog signals, control feedback from controlled fire protection facilities, and circuit faults, and quickly upload them to the fire monitoring master station while accurately executing control command forwarding tasks. The device features high reliability and strong anti-interference performance, effectively ensuring stable operation of fire protection facilities and providing reliable technical support for fire safety management.

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Anti-misoperation Smart Lock

The anti-misoperation smart lock is specially designed for interlocking high-voltage electrical equipment and auxiliary devices such as circuit breakers, isolating switches, and grounding switches. It integrates a Class C curved-blade lock cylinder with electronic identification technology, providing dual protection through both physical and electronic means. This ensures intrinsic operational safety and closed-loop intelligent control, effectively preventing misoperations during operations while addressing the shortcomings of traditional locks, such as cumbersome handling, unclear status, weak protection, and lack of unified management.

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Security Monitoring Device

The security monitoring terminal integrates multiple functions and collects security data in real time from devices such as electronic fences, access controllers, and anti-theft alarm controllers. With efficient protocol conversion technology, the collected data can be accurately transmitted to the service gateway or integrated application host. The product supports linkage control functions, serving both as an equipment controller and a data gateway, effectively improving the operational efficiency and management effectiveness of security systems.

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Maintenance Smart Lock

The maintenance lock system is designed for isolation operations in power generation, substations, as well as industrial and mining scenarios. It can interlock energy isolation devices such as circuit breakers and control plates, adopting a Class C curved-blade lock cylinder combined with identity recognition technology. The system can be bound to on-site equipment and used together with dedicated accessories to prevent accidental energy release during maintenance, thereby avoiding personnel injury. It addresses the shortcomings of traditional maintenance isolation locks, including low digitalization, chaotic management, and the lack of traceable operation records.

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Wireless Aggregation Device

The wireless aggregation device, deployed in substations, is a wireless sensor data acquisition device. Addressing issues of traditional wireless sensors such as data leakage, poor networking flexibility, and low configuration efficiency, the device adopts a fully domestic design, supporting E-language file conversion, encrypted data transmission, and bidirectional device authentication. It enables flexible chain/tree networking through self-organizing multi-hop communication. By dynamically adjusting sensor sleep cycles and frequency parameters, it achieves low-power, efficient data acquisition while ensuring data security, providing a safe, reliable, and flexibly expandable wireless data aggregation solution for substation IoT systems.

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Intelligent Anti-misoperation Host

The intelligent anti-misoperation host, independently developed by Unitech, is a cost-effective microcomputer-based interlocking product primarily used in terminal substations. This product provides complete "five-prevention" functionality. With advanced technologies such as LCD touchscreen and RFID wireless coding recognition, and a compact, streamlined design, it brings microcomputer-based anti-misoperation interlock products into terminal substations. It offers users a highly integrated, flexible, convenient, simple, and cost-effective solution. The product integrates the five-prevention interlock system and remote vision system, making it suitable for unattended or minimally staffed substations.

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AI Edge Gateway Device

The AI edge gateway device, designed for intelligent monitoring scenarios in distribution rooms, addresses issues such as low efficiency of manual inspections, poor real-time performance, and difficulty in early warning of safety risks. Based on edge AI computing technology, it integrates multi-channel video acquisition, intelligent behavior recognition, equipment/environment monitoring, and sensor linkage control, enabling automatic fan/pump start-stop, proactive alarm information push, and adaptive parameter configuration. Through northbound interfaces, it seamlessly connects with TTU terminals, uploading unified device status, video streams, environmental data, and inspection results to the distribution network O&M platform. It builds an "edge–end–cloud" collaborative intelligent inspection system for distribution rooms, improving O&M efficiency by more than 40%, reducing manual inspection risks, and supporting digital transformation of distribution networks.

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Computer Key Device

In the microcomputer anti-misoperation interlock system, the computer key device acts as the core handheld terminal connecting the main unit with field equipment, undertaking critical execution functions. Its main role is to receive operation tickets issued by the intelligent anti-misoperation main unit and strictly perform operations on various on-site locks according to the ticket, thereby preventing misoperation risks at the source. The Unitech computer key device integrates intelligent voice playback, speech recognition, and fingerprint identification technologies, achieving advanced functions such as intelligent voice ticket-reading, voice prompts, and multi-level authorization. The product has been comprehensively upgraded in performance, functionality, and quality, better meeting user demands in real-world applications.

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Industrial Cabinet Lock

Industrial cabinet locks cover the "five small boxes" used in industrial enterprises (terminal boxes, mechanism boxes, maintenance power boxes, isolation operation boxes, and control boxes). They adopt high-security locks with a unified interface to achieve centralized management, operation control, operation authorization, and record storage/query functions. This effectively addresses the issues of traditional key management such as disorder, loss of authority control, lack of operation traceability, and weak protection.

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Battery Monitoring Device

The intelligent battery monitoring device is applied to the smart O&M system of backup emergency power batteries, effectively avoiding issues such as low efficiency of manual inspections and difficulty in early warning of safety risks. This device monitors key parameters in real time, including individual cell voltage, group voltage, and internal resistance. With intelligent analysis and remote management functions, it accurately evaluates battery health status and provides early warning of potential risks. Through intelligent O&M, it significantly reduces failure rates, extends battery service life, and greatly improves O&M efficiency and power supply reliability.

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Transmission Adapter

The transmission adapter, as a supporting device for the computer key, mainly provides data transfer and charging functions. Four generations of products have been developed. This series of adapters is compatible with the 5th to 8th generation computer keys, with continuously expanding functions. It has evolved from early single-purpose charging and data transfer to multi-functional applications such as information management, data processing, access control, and device management. The modular transmission adapter can be connected to the anti-misoperation system to ensure secure transmission of operation tickets. It accurately transfers system-generated operation instructions to the computer key, providing reliable data interaction support for safe operation of power equipment.

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Protection, Measurement and Control Devices

Protection, measurement and control devices are designed based on high-end software and hardware platforms, which integrate protection, measurement, control, monitoring, communication, event recording, fault recording and other functions, feature high reliability, perfect functions and flexible expansion, etc. They are suitable for 110kV and below voltage levels conventional substations, intelligent substations, power plants and power supply offices, and are widely used in electric power, chemical industry, metallurgy, coal industry and other industries.

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Network Port Lock

Network port locks are dedicated to protecting IT equipment ports, covering idle network ports, USB ports, and in-use network cables. Each lock has a unique identification code bound to the device port. Featuring a keyless press-type self-locking design, they provide physical locking for single, dual, or full rows of idle ports and for in-use network cables. This effectively solves the shortcomings of traditional sealing methods such as tape or plugs falling off, while preventing unauthorized insertion/removal of network interfaces that could lead to data leakage.

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Oil monitoring device

Takes oil condition as a key entry point for equipment health monitoring. By collecting key data such as particle size, quantity, oil viscosity, and moisture content in real time, it accurately evaluates the current operating status of the equipment and analyzes its future trends. Through in-depth analysis of oil data, potential faults can be detected in advance, providing detailed data support for equipment maintenance. Based on monitoring results, enterprises can formulate preventive maintenance plans, reduce the risk of unplanned downtime, effectively improve equipment reliability and service life, and lower overall O&M costs.

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Communication Device

With the accelerated construction of new power systems, the requirements of substations for safety and reliability continue to increase. Unitech keeps pace with communication technology and industry development trends, implementing a comprehensive upgrade of the hardware and software platforms of communication devices. By enhancing intrinsic security mechanisms and optimizing data encryption, Unitech delivers communication devices with efficient data processing, robust cybersecurity, and strong protocol library support, ensuring reliable substation data interaction and protection.

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Intelligent Ground Wire Management Device

The intelligent grounding management device integrates height detection, pressure detection, and metal conductor detection to ensure the accuracy of conductor-end clamping operations. The device is equipped with a GPS/BeiDou dual-mode positioning system to collect real-time location data of temporary grounding connections. Combined with Bluetooth and 4G dual-mode communication, grounding status data is synchronized with the online system, providing reliable data support for safety management in power operations.

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Smart Door Control Device

The intelligent gate control device is designed for intelligent management of electric power plant and substation gates. Leveraging cloud services, IoT communication, and intelligent control technology, it integrates multiple unlocking methods such as remote control, Bluetooth, and dynamic passwords. It meets the access needs of different personnel, enhances power system security and O\&M efficiency, and addresses the shortcomings of traditional gate key management, which cannot adapt to unmanned substations or meet the requirements of external personnel and staff for entry, operation, and maintenance.

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Partial Discharge Monitoring Device

Covers a wide range of partial discharge monitoring technologies including ultra-high frequency, high frequency, ultrasonic, and transient earth voltage, with a complete variety. Adaptable to transformers, GIS, high-voltage switchgear, cables, and other electrical equipment. Meets diverse detection requirements and provides comprehensive multi-band, multi-angle monitoring of partial discharge, accurately detecting potential faults and reinforcing the safe operation of power systems.

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Secondary Monitoring Device

The secondary equipment monitoring device includes plate status sensors and remote-control plates, remote-control circuit breakers, and remote-control handles. The plate status sensor adopts a non-intrusive design, which does not affect the secondary circuit, and supports both wired and wireless communication. The secondary remote-control devices include remote-control plates, breakers, and handles, which communicate with the communication unit via RS485 to realize remote control and status acquisition.

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Key Management Device

The key management device, leveraging electronic sealing technology and mobile internet technology, enables standardized authorization and automatic record storage for all unlocking keys, ensuring strict usage control. The product accurately records information such as applicant, approver, unlocking reason, key withdrawal, and return. It provides monitoring and management of unlocking keys, remote control, and directional unlocking, effectively reducing the risk of human interference. By standardizing the management of unlocking tools (keys), it delivers reliable protection for on-site personnel safety as well as power grid operation and maintenance security.

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Smart Manhole Cover Lock

The manhole cover lock is designed for municipal manholes, power corridors, and gas corridors. Featuring a passive and keyless design, it supports multi-mode unlocking and meets explosion-proof certification requirements. It provides secure locking, status monitoring, and remote authorization, achieving intrinsically safe closure of manholes and early warning in high-risk environments. It solves the problems of traditional manhole locks such as clogging by mud and sand, vulnerability to forced damage, slow emergency response, and risks of flammable and explosive environments.

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Digital Metering Device

Lightning arrester leakage current monitoring sensors and SF6 density meters are core digital instruments for intelligent power operation and maintenance. The former employs high-precision sensing technology to digitally monitor leakage current in real time, enabling maintenance personnel to swiftly assess equipment status and receive immediate alerts for abnormalities, thereby reducing accident risks. The latter utilizes advanced technology to accurately detect SF6 gas density in high-voltage equipment, intelligently analyzing anomalies caused by leaks or environmental factors. This ensures timely warnings, safeguards equipment operation, and enhances the stability and reliability of power systems.

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Intelligent Distribution Device

In the context of advancing the “dual-carbon” goals and implementing supportive policies, the power sector is accelerating its shift to green and low-carbon development, with the construction of new power systems steadily deepening. With significant changes in the network structure and operating modes of new distribution systems, Unitech actively responds to the transformation needs of distribution networks by leveraging advanced digital sensing and IoT technologies to develop multiple devices adapted to diversified distribution applications. These products enable comprehensive perception and efficient connection of the distribution network, effectively enhancing its sensing performance.

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High-Voltage Voltage-Detection Device

The high-voltage live display interlock device provides a direct visual indication of whether electrical equipment is energized. When the equipment is energized, the indicator flashes automatically, alerting operators in real time. This device can work together with electromagnetic locks, mechanical program locks, and microcomputer-based anti-misoperation interlock devices. Through enforced interlocking, it effectively prevents electrical misoperation risks. Some models integrate additional functions such as phase checking, circuit self-test, on-site calibration, and operating status display. Certain outdoor series also provide real-time voltage display, mode setting, fault interlock, and undervoltage interlock, meeting diverse application requirements.

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Office Cabinet Lock

Office cabinet locks are designed for storage management scenarios such as office/personal file cabinets, storage cabinets, and drawer cabinets. Through Bluetooth and mobile apps, they achieve intelligent interconnection with high integration and easy operation. Features include flexible authorization, seamless unlocking, status feedback, and record traceability. They improve efficiency and simplify management while addressing pain points of traditional cabinet locks such as failure to unlock due to lost keys, cumbersome permission management during personnel changes, and low efficiency.

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Smart Wearable Device

The smart safety helmet is designed for high-risk operation scenarios such as power and infrastructure projects. Addressing the limitations of traditional helmets with single functionality and lack of real-time monitoring or precise positioning, it integrates 5G/4G and WAPI dual-mode communication, BeiDou RTK + UWB indoor/outdoor integrated positioning technology, and supports State Grid mobile applications for remote audio/video monitoring and backend AI intelligent analysis. A mechanical anti-shake camera ensures stable images in complex environments. The modular design allows quick shell replacement, supporting a safe service life cycle of 30 months. Enhances precision in operation safety management, strengthens emergency response efficiency, and promotes intelligent upgrades of power operation safety.

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Visual Grounding Device

In traditional rail transit catenary maintenance, manual voltage testing and grounding wire installation/removal operations are time-consuming, inefficient, and pose safety risks. Unitech's AC/DC catenary voltage testing and grounding device integrates voltage detection and grounding functions, supporting multiple modes such as remote control, programmed operation, local electric operation, and manual operation, thereby improving maintenance efficiency and operational safety.

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Intelligent Safety Tool Management Device

The intelligent safety tool management device is suitable for tool and equipment management scenarios, addressing issues of large quantities, difficult inventory, and chaotic management of traditional tools such as insulating gloves, signage boards, and voltage detectors. Based on RFID electronic tags, intelligent sensors, and IoT technology, it enables full lifecycle tracking, automatic inventory, and condition monitoring of tools, with seamless data integration into management systems. Equipped with intelligent alarm and temperature/humidity control functions, it significantly improves management efficiency, eliminates missed inspections and misplacement, and ensures safe and compliant use of tools.

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Smart Entrance Door Lock

The smart entrance door lock is designed for home scenarios. All models come standard with 3D facial recognition, HD peephole, and a 4.5-inch visual display, enabling seamless second-level unlocking, remote video intercom, intelligent scene linkage, and real-time abnormal alarms. It conveys the concept of "smart, safe, and reliable" living, meeting users’ pursuit of high-quality smart lifestyles, while addressing the shortcomings of traditional locks such as insufficient security, limited interaction, and lack of convenience.

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Intelligent Video Analysis Device

The intelligent video analysis device is designed for remote intelligent inspection of 500 (330) kV and above substations. It can seamlessly integrate video image data from various inspection devices. Based on computer image processing technology and more than 100 self-developed algorithms, it accurately extracts target features and quickly identifies equipment defects, personnel violations, and environmental hazards. Through intelligent diagnosis and early warning, combined with treatment recommendations, it enables efficient remote O&M and effectively improves the safety and reliability of large substation operation. The product has passed State Grid China Electric Power Research Institute testing for remote intelligent inspection systems of 500 (330) kV and above substations.

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Power Consumption Monitoring Device

In recent years, with the rapid development of domestic new energy construction, a large number of distributed power sources have been connected to the grid through low-voltage 400 V, bringing new challenges to the traditional transformer-area power supply system. Based on the intelligent IoT system, Unitech has developed a series of devices including transformer-area intelligent integrated terminals, power quality analysis devices, intelligent molded-case circuit breakers, intelligent breakers, and communication terminals. These products can realize electrical topology identification of transformer areas, perform real-time monitoring of new energy equipment such as wind, solar, storage, and charging, and fully grasp the operating status of distribution and utilization facilities in the transformer area. Through coordinated operation among devices, they achieve coordinated control of power supply, generation, and consumption in transformer areas, helping to realize microgrid autonomy within the area.

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Remote Interlock Device

The remote interlock system consists of the microcomputer anti-misoperation interlock host, remote interlock controller, and remote interlock relay. The microcomputer anti-misoperation interlock host serves as the core control unit, issuing remote operation commands, while the remote interlock controller and relay work together to form the remote interlock device. By connecting the normally open contact of the remote interlock relay in series with the remote/local control circuit, the system creates a physical-level operation restriction. This enforces interlock control of motorized equipment operations, ensuring operational safety.

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Oil Chromatography Online Monitoring System

The transformer oil chromatography online monitoring system enables automated quantitative cyclic cleaning, oil intake, oil-gas separation, sample analysis, data processing, and real-time alarm functions. It rapidly monitors the content and growth rate of dissolved fault gases in the oil of transformers and other oil-immersed high-voltage power equipment. Leveraging a fault diagnosis expert system, it provides early warnings of potential equipment failures, effectively preventing accidents and minimizing major losses, thereby significantly enhancing operational reliability.

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Smart Padlock

The smart padlock covers industrial intelligent lock application scenarios across all industries, providing security protection for various areas and equipment. It supports multiple technologies such as Bluetooth near-field interaction, NFC passive communication, and LoRaWAN wide-area monitoring, enabling seamless unlocking, real-time status feedback, and multi-dimensional risk perception. It enhances operation convenience and intelligent equipment management while addressing the shortcomings of traditional mechanical padlocks, such as lack of informatization, low management efficiency, inability to monitor status, lack of operation records, and delayed response.

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Disconnector Dual-Confirmation Device

Based on the "one-key sequential control" and disconnector position "dual confirmation" technical specification, Unitech has developed a magnetic induction dual-confirmation device using non-contact sensing principles. This device features safety, accuracy, and reliability, with easy installation. It is adaptable to various equipment types and operating environments, can accurately identify the open/close status of disconnectors, and provides reliable technical support for implementing programmed operations.

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Item Management Device

The item management cabinet is an intelligent storage and retrieval system specially developed for underground coal mine workers. The product integrates IoT, iris recognition, and smart lock control technologies to create a management system combining identity authentication, intelligent storage, and environmental control. With iris recognition for precise identity verification and an electronic control lock to ensure secure storage, the cabinet also features built-in ventilation, heating, and disinfection devices to automatically regulate the internal environment. Through intelligent management functions, the system enables orderly storage and retrieval of items, effectively improving material management efficiency, and providing coal miners with a safe, convenient, and comfortable storage solution.

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Acoustic Online Monitoring System for Power Equipment

The acoustic monitoring device captures real-time ambient soundwave signals from power equipment such as transformers, GIS switchgear, circuit breakers, and motors. Utilizing edge computing analysis, it precisely detects abnormal acoustic signatures including partial discharge, mechanical loosening, and DC bias interference. Designed for non-contact deployment with environmental noise resistance and multi-scenario adaptability, it supports quick installation. This system is widely used in substations, converter stations, and renewable energy plants, enabling early detection and resolution of hidden faults to minimize unplanned power outages.

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Smart Management Door Lock

The smart management door lock is designed for access rights management in office buildings, campus dormitories, and shared accommodations (apartments, hotels, homestays, public rental housing). It integrates multiple unlocking methods such as card, password, fingerprint, and facial recognition. It supports remote authorization, remote unlocking, and unified platform management. With multi-factor authentication and centralized control, it significantly enhances access security and management efficiency while solving the problems of traditional door lock key management, such as cumbersome processes and delayed permission updates.

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New Energy Edge Gateway Device

With the large-scale integration of distributed new energy, energy storage, and charging piles into the grid, their volatility and intermittency pose challenges to grid operation. Unitech leverages IoT, big data, cloud computing, and blockchain technologies to develop a new energy edge gateway device, enabling access control for PV inverters, smart energy meters, intelligent molded-case circuit breakers, intelligent circuit breakers, and other equipment, helping new energy systems achieve "observable, measurable, adjustable, and controllable."

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Intelligent Ticket-Generation Device

The intelligent ticket-generation device is built on the provincial power grid company’s AI platform, providing an intelligent agent for ticket generation and verification. It integrates existing computing resources with the semantic understanding and reasoning capabilities of the Guangming Power large model to perform intelligent computational processing of related tasks, ensuring efficient and accurate ticket generation and verification.

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