I. Core Definition of a Low-Power Time Server

The low-power time server is designed for Edge computing, IoT terminals, and off-grid outdoor scenarios The designed energy-efficient time synchronization device achieves low overall power consumption by optimizing the hardware architecture and employing low-power chips and energy-saving algorithms. ≤10W (Typical value ≤5W ), while ensuring timing accuracy at the microsecond level / While achieving nanosecond-level performance, it reduces energy consumption, supports battery‑powered and solar‑powered operation, and is well suited for distributed deployment scenarios that operate without grid connectivity and demand ultra‑low power.

II. Core Technical Architecture of the Low-Power Time Server

(1) Low-Power Hardware Design

• Core chip : Uses domestically produced low-power components ARM Architecture chips (such as Phytium) FT-2000/4 ), power consumption ≤3W , performance meets NTP/PTP Protocol processing and time-synchronization algorithm execution requirements are met without any redundant performance overhead.
• Timekeeping Module : Integrated low-power single-BDS / Beidou + GPS Dual-mode timing module, operating power consumption ≤1W , supports intermittent reception of satellite signals (receiving 30 Seconds, sleep mode 5 minutes), further reducing power consumption.
• Clock unit : Uses a low-power, temperature-compensated crystal oscillator ( OCXO ), power consumption ≤0.5W , with timing accuracy reaching 5 μs/h , maintaining stable local time during satellite signal outages.
• Power supply system : Support DC12V/24V DC power supply, solar power supply, battery power supply (battery life) ≥7 Days), suitable for off-grid scenarios; equipped with a power management module that automatically switches between power supply modes to optimize power consumption allocation.
• Structural Design : Fanless thermal design (passive cooling), reducing power consumption and the risk of mechanical component failure; lightweight and compact (dimensions ≤200mm×150mm×80mm ), designed to fit the limited installation space of edge nodes.

(II) Energy-Efficient Algorithms and Software Optimization

• Intermittent Timing Algorithm : Satellite signal reception employs “ Wake on Demand ” The mechanism extends the signal reception interval during off-peak hours and shortens it during peak hours, striking a balance between accuracy and power consumption.
• Lightweight processing of the protocol : Optimize NTP/PTP The protocol stack eliminates redundant functions to reduce protocol‑processing power consumption; it also supports protocol‑level sleep, entering a low‑power mode when no terminal‑initiated synchronization requests are present.
• Intelligent Power Management ： CPU The timing module, Ethernet port, and other components dynamically adjust their operating frequency based on the load; under light‑load conditions, they automatically reduce the clock frequency to minimize no‑load power consumption.
• Domestically developed energy-saving system : Pre-installed with Kylin Embedded Edition and UOS UOS Domestic low-power operating systems, such as the embedded edition, optimize the system kernel and disable redundant services, further reducing overall power consumption.

III. Core Features of the Low-Power Time Server

• Low power consumption : Total system power consumption ≤5W (Typical value), supports battery and solar power, and is suitable for edge‑computing scenarios without grid access or with low‑power requirements.
• Accurate Synchronization Performance : Timing accuracy reaches 1 μs ( NTP ) /10ns ( PTP ), timing accuracy 5 μs/h , meeting the high-precision synchronization requirements of edge computing and IoT terminals.
• Domestic, independent, and controllable : The core chip, timing module, operating system, and synchronization algorithm are all domestically developed end-to-end, compatible with the XinChuang ecosystem, and meet requirements for independent control.
• Edge Deployment Adaptation : Miniaturized, fanless design, wide temperature range ( -40℃~70℃ ), resistant to electromagnetic interference, and suitable for complex environments such as outdoor settings and industrial edge nodes.
• Multi-source redundant timing : Supports single BeiDou, BeiDou / GPS Dual-mode, external NTP/PTP Multi-source time synchronization with automatic switchover ensures continuous synchronization.
• Remote Operations and Maintenance Management : Support B/S Architecture remote management, MQTT IoT protocol integration enables remote configuration, device status monitoring, and alert reception, reducing operational and maintenance costs.

IV. Main Application Scenarios for Low-Power Time Servers

(1) Edge Computing Nodes

Industrial edge gateways and edge servers provide time synchronization for sensors, controllers, and terminal devices at edge nodes, ensuring temporal consistency in edge data acquisition and the reliability of edge computing results, while their low-power characteristics are well-suited to the constrained power supply conditions of edge nodes.

(II) IoT Terminal Cluster

In IoT applications such as smart cities, smart agriculture, and smart homes, distributed deployment of low-power time servers provides time synchronization for massive IoT devices and supports battery-powered operation. / Solar-powered, independent of the grid, and highly flexible for deployment.

(3) Outdoor scenarios without a power grid

Mines, oilfields, forest fire‑monitoring stations, and communication base stations in remote areas—where stable grid power is unavailable—are powered by solar energy. + Battery-powered mode provides continuous time‑synchronization services for outdoor devices.

(4) Industrial Internet of Things ( IIoT )

Edge devices and industrial sensor networks in smart manufacturing workshops, along with low-power servers that can be embedded within equipment control cabinets, provide… Accurate Time synchronization, tailored to the low-power and space-constrained requirements of industrial environments.

(5) Government Services in Remote Areas / Medical terminal

In remote towns, government service terminals and medical equipment at rural health centers often face challenges such as unstable grid power. Low-power servers equipped with battery backup ensure time synchronization of terminal devices, thereby supporting the compliant delivery of government services and healthcare offerings.

V. China–Singapore Innovation DNPTP-9 Core Advantages of Low-Power Time Servers

Beijing Zhongxinchuang Technology Co., Ltd. DNPTP-9 Low-Power Time Server It is a benchmark product in China’s low-power time‑frequency field, with the following core advantages:

1. Energy-efficient design : Total system power consumption ≤3W (Typical value), supports solar energy + Battery-powered, battery life ≥10 Daytime (battery-powered), suitable for off-grid scenarios.
2. High-precision synchronization performance : Timing accuracy reaches 5 μs ( NTP ) /10ns ( PTP ), built-in low power consumption OCXO , timing accuracy 5 μs/h , meeting the precision requirements of edge scenarios.
3. Full-stack domesticization : Domestically produced Phytium ARM chip + Single-BDS timing module + Qilin Embedded System, 100% Domestication, certified by the Information Technology Innovation Committee.
4. Edge Deployment Optimization : Size 180mm×120mm×60mm , fanless passive cooling, -40℃~70℃ Wide temperature range, electromagnetic interference resistance, and compatibility with confined spaces and harsh environments.
5. IoT-based management : Support MQTT The protocol connects to the IoT platform, enabling remote monitoring of device status, power consumption, and time‑synchronization accuracy, while supporting remote configuration and firmware updates.
6. High Reliability Assurance ： MTBF≥150000 Hours, no mechanical components, low failure rate; 7×24 Hourly technical support and localized service response.