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Why Do AGVs Equip So Many Safety Laser Scanners?

Why Do AGVs Equip So Many Safety Laser Scanners?

Dec 9,2024

Why Do AGVs Equip So Many Safety Laser Scanners?

Automated Guided Vehicles (AGVs) play an increasingly important role in industrial environments, especially in material handling, smart logistics, and warehouse management. Given their critical role in automation, ensuring the safety of AGVs is paramount. To prevent collisions and ensure the safety of the surrounding environment, AGVs are typically equipped with multiple safety laser scanners (LiDAR). Below is a solution explaining why AGVs require so many safety laser scanners.

Comprehensive Safety Monitoring

AGVs often operate in complex environments, particularly near areas with high pedestrian traffic or production lines. To ensure real-time monitoring of the surroundings, the DADISICK 2D TOF Safety Laser Scanner LD-05D Series, with its 270° scanning angle, is ideal for AGV applications. This scanning angle covers the front, rear, and sides of the AGV, significantly enhancing safety by preventing collisions with obstacles or people in the surrounding area.
2D Safety Laser Scanner for AGV

High-Precision Detection and Localization

AGVs rely on highly precise sensors for localization and obstacle avoidance in their automated systems. The DADISICK LD-05D Series Safety Laser Scanner has a resolution and frequency of:

▪️0.1°@15 Hz, suitable for low-speed operations with quick response;
▪️0.3°@30 Hz, ideal for higher-speed dynamic environments.

This level of precision ensures that the AGV can detect even the smallest obstacles and changes in the surrounding environment, allowing it to respond quickly. Through real-time feedback with the AGV's control system, the AGV can make precise path planning decisions and reduce collision risks.

Wide Detection Range

With a scanning range of 5 meters, the LD-05D Series Safety Laser Scanner is essential for AGVs operating in narrow and crowded environments. Whether it's stacked goods, sudden obstacles, or walls or people on either side of a corridor, the laser scanner captures and processes data in real-time, ensuring that the AGV stays clear of danger zones.
2D TOF Safety Laser Scanner
Technical data
LD-05D
LD-20D
Working principle
2D TOF
IO output
NPN or PNP
Work area
0.05 m ~ 5 m
0.05 m ~ 20 m
Laser source
905 nm (class I)
Aperture angle
270°
Scanning frequency
15 Hz / 30 Hz
Angular resolution
0.1° / 0.3°
Self-learning function
Automatically scan the environment and generate areas
Electrical connections
Db15 Male / Scatter
Supply voltage
DC 9 V ~ 28 V
Power consumption
2 W
Switch drive
DC 30 V 50 mA max.
Shell color
Yellow
Enclosure rating
IP65
Weight
150 g (cable not included)
Dimensions (L × W × H)
50 × 50 × 76 mm
Detectable object shape
Almost any  shape
Measurement error
±30 mm
±30 mm
Number of field sets
16 fields, 3 simultaneous protective fields (per field set)
Connection type
Micro-USB
Input
GND/NC × 4
Switch output
NPN × 3, device working status; PNP × 3, device working status
Delay time
100 ms ~ 10,000 ms (configurable), typical value 330 ms
Response time
15 Hz: 67 ms ~ 29,949 ms (configurable), typical value 134 ms; 30 Hz: 33 ms ~ 29,997 ms (configurable), typical value 66 ms
Status Indicator
Status indicator × 1, area group indicator × 3
Vibration resistance
10 - 55 Hz, amplitude 0.75 mm, XYZ three-axis, 2 hours per axis;
50 - 200 Hz, 196 m/s² (20G), scanning speed 2 min/cycle, XYZ three-axis, 2 hours per axis;
Ambient operating temperature
-10 ℃ ~ +55 ℃
Storage temperature
-30 ℃ ~ +75 ℃
Ambient light immunity
>15,000 lux

Compact Design for Space-Constrained Environments

AGVs often operate in confined spaces, such as narrow shelving aisles or machine rooms. In such cases, the size of the laser scanner is critical. The DADISICK LD-05D Series Safety Laser Scanner, with its compact dimensions of 50x50x76 mm, is ideal for installation on AGVs, maximizing available space without compromising performance.

Preventing Personnel Injuries

AGVs commonly work alongside personnel and other automated equipment, especially in environments with minimal human intervention. To prevent accidents like people being trapped or hit, installing multiple laser scanners provides comprehensive protection. Through precise measurement and recognition, the laser scanners can detect pedestrians and automatically slow down or navigate around them, ensuring a safe operating environment.

Enhancing Overall System Reliability

AGVs rely on a combination of various sensors and technologies to operate effectively. In addition to laser scanners, other sensors (such as ultrasonic sensors and vision sensors) are often used to ensure safety under different conditions and directions. The synergistic effect of these multi-sensor systems allows AGVs to provide a higher level of safety protection and minimize potential risks.

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