Helmets for Designated Protection Areas Tester
The Helmets for Designated Protection Areas Tester is designed to assist in identifying and marking the designated protection areas and testing areas on helmet shells. It uses a laser projection system and an adjustable mounting bracket to position reference lines and points for helmet inspection, supporting product development, dimensional verification, and quality control.
The instrument features an adjustable aluminum bracket, a quick-release helmet clamp, and a laser alignment system. The bracket supports 360° rotation, ±90° tilt adjustment, and an extension range of 300–600 mm. A digital interface and software tools support visual-zone analysis and the comparison of designated areas with helmet design geometry.
The system also supports the overlay of three-dimensional helmet models in STL and OBJ formats. Its calibration tools help verify bracket alignment and projection positioning. It is intended for helmet manufacturers and laboratories that need to evaluate protective-area geometry against the requirements of the applicable helmet standard.
Application
(1) Motorcycle and electric bicycle helmet protection-area inspection.
(2) Helmet shell design and geometric verification.
(3) Identification of designated protection and testing areas.
(4) Helmet research and development.
(5) Comparison of physical helmet geometry with CAD design models.
(6) Quality control and inspection of helmet production batches.
Standards
GB 811-2022 — Helmets for Motorcycle and Electric Bicycle Users
Parameters
| Parameter | Specification |
|---|---|
| Laser wavelength | 520 nm, visible green light |
| Laser classification | Class 2, as specified |
| Maximum laser output | 1 mW, as specified |
| Projection accuracy | ±0.1 mm at a distance of 1 m, as specified |
| Display | 7-inch touchscreen |
| Bracket rotation | 360° |
| Bracket tilt adjustment | ±90° |
| Adjustable arm extension | 300–600 mm |
| Helmet compatibility | 200–300 mm diameter, as specified |
| Quick-release clamping system | Included |
| CAD model formats | STL and OBJ |
| Control panel protection | IP54, as specified |
| Frame material | Aluminum alloy |
| Power supply | AC 100–240 V, 50/60 Hz |
| Power consumption | 50 W |
| Dimensions (L × W × H) | 400 × 300 × 800 mm |
| Net weight | 8 kg |
| Weight with accessories | Approximately 10 kg |
Features
(1) Laser projection system for marking reference lines and points on helmet shells.
(2) Adjustable bracket with 360° rotation, ±90° tilt, and 300–600 mm extension.
(3) Quick-release clamping system for convenient helmet positioning.
(4) Supports helmet diameters from 200 to 300 mm, according to the supplied specifications.
(5) Digital touchscreen interface with multilingual support.
(6) Three-dimensional helmet model overlay using STL and OBJ files.
(7) Software-assisted visual-zone analysis and tolerance comparison.
(8) Calibration tools for checking bracket alignment and laser positioning.
(9) Aluminum alloy frame designed for durability and portability.
(10) IP54-rated control panel enclosure, as specified.
(11) Supports helmet design evaluation, sample inspection, and production quality control.
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