I. Product Introduction

The ZD-HJ-A7 Agricultural and Forestry Environmental Weather Station is a high-precision, low-power consumption environmental monitoring device designed for field use in agriculture and forestry, compliant with the GB/T 24689.6-2009 standard (Plant Protection Machinery—Agricultural and Forestry Microclimate Information Acquisition System). The system consists of meteorological sensors, a data acquisition host, a power supply system, a communication module, and an IoT cloud platform. It automatically monitors local meteorological elements such as air temperature and humidity, atmospheric pressure, wind speed, wind direction, rainfall, and light intensity, transmitting the collected data wirelessly to the IoT cloud platform. This provides accurate meteorological data for agricultural and forestry production, assisting users in making scientific decisions and implementing preventive measures to enhance productivity and safety.

It is widely used in meteorology, agriculture, forestry, environmental protection, oceanography, airports, ports, scientific research, education, and campus teaching.

II. Technical Parameters

1. Standard: Complies with GB/T 24689.6-2009 (Plant Protection Machinery—Agricultural and Forestry Microclimate Information Acquisition System).

2. Data Acquisition Host: Equipped with a 4H processor and Android V10.0 operating system; 2GB RAM; supports SD 3.0, expandable up to 1TB (optional); includes 2 RS485 ports, 1 TTL serial port, 1 USB port, and 1 USB/OTG port (switchable). Capable of collecting meteorological data such as wind speed, wind direction, air temperature, air humidity, atmospheric pressure, illuminance, and rainfall; supports Modbus RS485 sensor expansion; features real-time clock and time calibration.

3. Remote Control: Supports real-time preview of the host’s operation interface and status, remote device reboot, and application installation/uninstallation.

4. Display: Features a 7-inch Android industrial smart touchscreen with an intelligent control system and gesture control for an enhanced human-machine interaction experience.

5. Communication Methods: Supports multiple networking options including Wi-Fi, 4G, and Ethernet.

6. Unified Interfaces: Probes adopt a multi-interface standardized design, supporting plug-and-play sensors and quick interchangeability. Optional LoRa wireless module enables long-distance wireless data transmission to meet diverse monitoring needs in complex scenarios.

7. Power Supply: Supports AC 220V or solar power DC12V (80W, 40Ah solar power system).

8. Operating Power: ≤10W.

9. Operating Temperature: -20°C to 70°C.

10. GPS Positioning: Integrated GPS module supports GPS, BDS, and GLONASS positioning; allows remote switching between multiple positioning combinations; automatically collects 3D coordinates (longitude, latitude, altitude); supports viewing device station data on GIS maps.

11. Data Upload Settings: Users can remotely set data upload intervals; default system setting is every 20 minutes.

12. Custom Thresholds and Smart Alerts: Users can define alert thresholds; upon abnormal triggers, the system initiates dual alerts via device voice broadcast and WeChat notifications for precise management.

13. Robust Data Storage: In case of network failure, local data caching is activated with a storage capacity of approximately 500,000 entries; cached data is automatically uploaded to the server once the network is restored, ensuring data integrity.

14. Data Export Function: Equipped with a USB port for exporting historical data in Excel format for analysis.

15. Remote Viewing: Supports remote access via mobile app, mini-program, and web端 to view device information such as online status, signal strength, voltage, historical data queries, and remaining data usage.

16. Remote Intelligent Maintenance: Diagnoses faults through log analysis when abnormalities occur; supports one-click remote reboot and preset timed reboots for unattended health management and system stability.

17. Remote OTA Updates: Utilizes cloud technology for automatic firmware/system updates, security patches, and feature iterations without on-site operation, ensuring device stability and security.

18. Mounting Pole: 3.0 meters high, treated with hot-dip galvanization and spray coating for corrosion and oxidation resistance; includes lightning protection.

III. Platform Features

1. Fault Alerts: Includes device displacement alert functionality.

2. Real-Time Upload: Monitoring data is uploaded in real-time to the cloud platform for backup, ensuring no data loss.

3. Data Query and Export: Allows screening of monitoring data by time period; data can be viewed and exported via graphs or Excel spreadsheets.

4. Data Analysis: Displays maximum, minimum, and average values of sensor data over any time period; visual charts clearly show data trends and concentration characteristics for quick insight into core patterns.

5. AI Smart Q&A: Integrates DeepSeek large language model technology, supporting multi-turn natural language interaction. Features "XiaoDi AI"—a 24/7 online expert for agricultural technical queries, ready to address field issues.

6. Smart Solutions: Based on extensive agricultural knowledge graphs and real-time environmental/pest databases, supports one-click AI generation of standardized planting plans, disease prevention, and pest control strategies.

7. Instant Use: Enables real-time viewing, remote control, and full-process management via WeChat mini-program without installation, offering a seamless user experience.

8. WeChat Alerts: When alerts are triggered, relevant information is pushed to users via WeChat official account for quick response and timely action, enhancing prevention and預(yù)警效果.

9. Expandable Data Access: Provides standardized protocol interfaces for seamless integration with user platforms, enabling secondary development and in-depth data application.

IV. Main Technical Specifications of Sensors

(1) Air Temperature: Measuring range: -40°C to 80°C; resolution: 0.1°C; accuracy: ±0.5°C.

(2) Air Humidity: Measuring range: 0 to 100% RH; resolution: 0.1%; accuracy: ±3%.

(3) Wind Speed: Measuring range: 0 to 60 m/s; resolution: 0.1 m/s; accuracy: ±0.3 m/s.

(4) Wind Direction: Measuring range: 0 to 360° (8 directions); accuracy: ±1°; resolution: 0.1°.

(5) Atmospheric Pressure: Measuring range: 300 to 1100 hPa; resolution: 0.1 hPa; accuracy: ±1.5 hPa.

(6) Light Intensity: Measuring range: 0 to 200,000 Lux; resolution: 1 Lux; accuracy: ±3%.

(7) Rainfall: Measuring range: 0 to 4 mm/min; resolution: 0.2 mm; accuracy: ±3%.