ISO 45001 GNSS Antenna

　　1. ISO 45001-certified Occupational Health and Safety Management System

　　GNSS antenna companies that have achieved ISO 45001 certification must establish a comprehensive occupational health and safety management system, focusing on "process safety protection" and "scenario-based risk avoidance," tailored to specific processes such as GNSS antenna ceramic patch processing, high-frequency commissioning, and outdoor installation. This includes:

　　Production Scenario Safety Management

　　Specialized protective measures are implemented for core GNSS antenna production processes (ceramic patch cutting, RF welding, phase alignment, and outdoor commissioning): The ceramic patch (core component) cutting process is equipped with a dust collection system (with a collection efficiency of ≥95%), and operators must wear dust masks and goggles to prevent inhalation of ceramic dust and splashing injuries. RF welding processes (such as LNA) require operators to avoid inhalation of ceramic dust and splashing injuries. During circuit assembly, local fume hoods (wind speed ≥ 0.5 m/s) are installed, and personnel are equipped with anti-static wristbands (grounding resistance ≤ 1 Ω) to prevent smoke and electrostatic shock. During outdoor commissioning (such as on-site phase calibration of base station antennas), workers are required to wear fall protection harnesses (compatible with aerial work platforms), sun-protective sleeves, and non-slip work shoes. A 3-meter radius warning zone (with reflective warning tape) is also designated to prevent unauthorized personnel from entering and causing collisions. For high-altitude commissioning, portable oxygen tanks and cold-weather jackets are also provided.

　　Personnel Health Protection Mechanism

　　Establishing differentiated health management for specific positions: Personnel engaged in long-term outdoor commissioning (such as surveying and mapping antenna calibration) undergo quarterly physical examinations for joint strain and UV skin damage. Heat-relief packs (including cooling patches and salt water) are distributed in the summer, and heated vests are provided in the winter. Personnel with frequent contact with ceramic dust and precision instruments (such as patch testing) undergo annual lung function and vision tests. Work areas are equipped with anti-glare lighting (300-500 lux), and a "two-hour rotation followed by a 10-minute viewing period" is implemented to reduce visual fatigue. Regular safety training (at least six times per year) covers first aid for outdoor heatstroke, fall prevention regulations for working at height, and handling scratches caused by ceramic fragments, ensuring personnel master specific emergency response skills.

　　Safety and Compliance Throughout the Supply Chain

　　For the handling of raw materials (ceramic patches and RF coaxial cables), shock-resistant foam containers are used (ceramic components are separated separately). The handling weight is ≤15kg (to avoid back strain) and the stacking height is no more than 1 meter (to prevent tipping and falling injuries). Finished product storage areas are divided into "normal/sensitive" zones. High-temperature-sensitive antennas (such as vehicle-mounted GNSS antennas) are stored at a temperature of 15°C-25°C and a humidity of ≤60%. Alarms for excessive temperature and humidity are also provided. During transportation, heavy-duty base station GNSS antennas (weighing ≥8kg) are secured to wooden frames and wrapped in shock-resistant cotton. Non-slip gloves and loading and unloading operation cards are provided on all vehicles. The "two-person collaborative handling" requirement is clearly stated to prevent overloading or slipping and collisions caused by a single person.

　　II. Key Points Related to GNSS Antenna Core Technical Parameters and Safety

　　(I) Key Electrical Performance Indicators (Bidirectional Adaptation of Technology and Safety)

　　GNSS antenna electrical performance must meet high-precision positioning standards. Parameter design directly reduces operational risks for personnel: Phase center deviation ≤ 1mm (static scenario). High phase stability reduces the number of outdoor recalibrations and shortens personnel's time in the field (reducing the risk of exposure to heavy rain and high temperatures); power consumption is controlled to adapt to specific scenarios: handheld device antennas ≤ 2W (battery life ≥ 10 hours) and vehicle antennas ≤ 5W, eliminating the need for frequent external power charging in the field (reducing the risk of electric shock); multipath interference mitigation (supporting multi-constellation fusion) suppresses positioning drift caused by building obstructions and reduces repeated measurements caused by device errors (reducing the intensity of walking and alleviating joint strain); input impedance is uniformly set to 50Ω to match the GNSS receiver interface, preventing circuit overheating caused by impedance mismatch (preventing burns or equipment damage).

　　(II) Mechanical and Environmental Safety Adaptation

　　GNSS antennas for different application scenarios must prioritize personnel safety in their mechanical and environmental design. Handheld device antennas (such as those used for outdoor inspections) feature a lightweight design (weight ≤ 30g) and a soft silicone casing (friction coefficient ≥ 0.8) to prevent hand strain or antenna slippage from prolonged holding. Vehicle-mounted GNSS antennas are equipped with shock-absorbing brackets (compatible with vibration acceleration ≤ 12g in the 10Hz-2000Hz frequency band) and rubber cushions at fixed points to prevent the antenna from falling and injuring personnel during sudden braking or bumps. Base station GNSS antennas (such as those used in surveying and mapping base stations) feature fiberglass casings with an IP68 protection rating (protected against heavy rain and dust intrusion). A lightning protection grounding port (grounding resistance ≤ 4Ω) is included on the bottom to prevent equipment leakage or lightning strikes during thunderstorms. Integrated lifting ears (capable of supporting ≥ 3 times the antenna weight) are also designed for installation on aerial work platforms (reducing the risk of falls from manual climbing).

　　III. Mainstream Product Types and Safety Application Scenarios

　　GNSS antennas can be divided into three categories based on their application scenarios. Each type's design must fully comply with ISO 45001 safety requirements, achieving "functionality and safety synergy":

　　GNSS Antennas for Handheld Devices

　　For outdoor inspections (power plants, forestry), and portable surveying and mapping, they must be ultra-lightweight (≤30g), flexible (adaptable to the curvature of the handheld device), and free of sharp edges (edge chamfers ≥1mm). They must utilize a tool-free magnetic mounting mechanism to minimize finger injuries during assembly. Cable lengths must be limited to 0.5-1m (to avoid tripping hazards caused by excessive drag), and connectors must be tamper-resistant (to extend service life and reduce operational risks associated with frequent replacement).

　　Vehicle-mounted GNSS Antennas

　　For use with connected vehicles and autonomous driving terminals, these antennas require "drill-free" adhesive mounting (3M adhesive strength ≥ 50N) to prevent scratches from metal debris caused by drilling. The housing is constructed of high-temperature ABS (-40°C to +85°C) to prevent deformation and release of harmful substances from high summer vehicle temperatures. The cable connectors are equipped with waterproof seals (IP67 rating) to prevent rainwater infiltration and short circuits (preventing vehicle circuit failure or electric shock).

　　Base Station GNSS Antennas

　　For use with surveying and mapping base stations and communication base stations for timing services, these antennas require a removable lightning shield (installation without access to height tools) and a safety latch at the bottom (automatically locks after installation). The antenna height must be ≤ 1.2 meters (compatible with conventional aerial work platforms) to prevent instability caused by excessive height. The external cable is constructed of UV-resistant material (weatherproof ≥ 5 years) to reduce breakage and outdoor wear (reducing the need for maintenance personnel).

　　IV. Key Selection Recommendations (Including ISO 45001 Safety Verification)

　　Technology and Safety Dual-Dimensional Matching

　　For handheld applications, prioritize lightweight (≤30g), long-lasting (power consumption ≤2W), and magnetically mounted antennas to reduce hand strain and assembly risks. For in-vehicle applications, verify shockproofing (≥12g), adhesive strength (≥50N), and high-temperature resistance (-40°C to +85°C) to avoid safety hazards caused by vehicle operating conditions. For base station applications, focus on lightning protection grounding design (ground resistance ≤4Ω), hoisting load capacity (≥3 times the weight), and compliance with high-altitude work regulations.

　　ISO 45001 Qualification Verification

　　When selecting a product, confirm that the supplier holds ISO 45001 certification and provide safety control records for the production process (such as ceramic dust testing reports and welding fume treatment plans). If custom production is involved (such as antennas for special environments), the supplier must also submit a safety operating manual for the custom process (such as personnel protection measures for antenna processing in high-temperature environments) to ensure that the entire process is free of occupational health risks.

　　Installation and Usage Safety Tips

　　Base station antennas must be installed by personnel holding a high-altitude work permit, wearing a double-hook safety harness and insulating gloves, and strictly following the "ground first, then power on" procedure. Before using handheld antennas, check the integrity of the silicone casing and the tightness of the cable connectors to prevent rainwater infiltration. Vehicle-mounted antennas must be left to stand for 24 hours after affixing to ensure a secure bond. Regularly inspect the adhesive surface for aging (every six months) to prevent it from peeling off during high-speed driving.