HeALtH & SAFetY SAFeLY USING mobILe
veHICLeS AND RobotS An inductive power supply and wireless emergency stop system
two key issues that need to be considered: How to supply the mobile units with energy? And how to guarantee a safe stop of the freely-moving machines in an emergency? maintenance interventions under operating
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conditions in areas with blocked access are a major challenge. Whether in highly automated plants and warehouses, robotic manufacturing islands or continuous process lines – hazards to maintenance personnel’s health are lurking everywhere, requiring solutions for a high level of safety. Above all, automotive production of the
future will be characterised by highly flexible and easily scalable production lines. Assembly lines will increasingly use automated guided vehicles (AGvs) and autonomous mobile robots (AmRs). the use of AGvs and AmRs will complement and change some traditional production processes while creating new challenges for integrators and their suppliers. to meet stringent industry requirements for safety and reliability, suppliers should be able to demonstrate experience with energy and data management systems in automotive production, as well as with electric monorail and skillet vehicle control solutions. Conductix- Wampfler, a leading manufacturer of systems for energy and data transmission to mobile consumers, is a trusted partner that offers intelligent solutions for tomorrow’s production processes from a single source.
The neW generATion of induCTive ChArging soluTions Conductix-Wampfler has developed the Wireless Charger 3.0 for transmitting energy to individual
hen it comes to the operation of automated guided vehicles and autonomous mobile robots, there are
vehicles and for charging their onboard energy storage systems. Compared to existing offerings, this new generation of inductive chargers for contactless charging of autonomous, battery- powered vehicles features higher efficiency and better performance at a smaller size. the Wireless Charger 3.0 meets all Industry 4.0 requirements and enables automated, contactless charging. thanks to the wireless charging option
integrated into the process flow, it is possible to use smaller and lighter energy storage units on AGvs and AmRs. Lithium-ion batteries are conserved, which contributes to significantly longer service life of this still relatively expensive component of a robot. this charging philosophy also contributes to higher system availability and greater cost-effectiveness. Last but not least, a wireless or non-conductive solution offers advantages in terms of safety. Inductive technology scores particularly well in challenging environmental conditions, such as cleanroom applications or applications with a heavily polluted environment. Since there is no contact between the vehicle and the charging infrastructure, wear and tear is significantly reduced, human interaction becomes unnecessary and the entire process is made completely autonomous.
sCAlAble liThium-ion bATTery modules designed for speCifiC AppliCATions Since the system performance of AGvs and AmRs is dependent on each individual component, Conductix-Wampfler offers the entire energy system. In addition to the Wireless Charger 3.0, Conductix-Wampfler also provides the onboard energy storage systems suitable for the application as a complete package. the scalable lithium-ion battery modules are designed to meet application-specific requirements. voltage levels of 24-60v and capacities of 30-400Ah are available to enable fast charging and discharging with high charge cycles. All battery modules include an integrated battery management system (bmS) that can be flexibly arranged to make the best use of limited space. the bmS communicates battery status information to the charger and, where required, to the higher-level peripherals. Since it is always necessary to consider size when designing AGvs, the high energy density of the battery cells used and the very compact and scalable assembly method offer clear advantages for designing new vehicles. Combined with the unique features of the
Jay RadioSafe from Conductix-Wampfler provides a wireless safety stop for mobile vehicles in industrial production lines.
Wireless Charger 3.0, it is possible to reach a recharging current of up to 3C. this allows for the battery to be charged at a multiple of its capacity,
Wireless charging means automated charging without manual intervention
minimising non-productive time. the opportunity charging philosophy of the Wireless Charger 3.0 guarantees 24/7 use of AGvs and AmRs, resulting in a strategic advantage at highly-automated production lines and logistic hubs. the combination of charging technology and energy storage solutions eliminates costly adaptation processes and integration problems for customers, resulting in a coordinated, complete solution.
emergenCy sTop: ensuring ThAT everyThing Comes sAfely To resT Safety is one of the key concerns in production. the ever-increasing number of AGvs and AmRs in plants can make it difficult to control individual devices, which poses a challenge to safety and security. In particular, handling global emergency stops of autonomous robots within a defined area is a critically-important task. When AGv fleets from different manufacturers are moving in a network, this becomes even more complex. Compared to those with a hard-wired data link and continuous power supply, wirelessly controlled vehicles with onboard energy storage are notably more complex. Jay RadioSafe from Conductix-Wampfler has been developed to intelligently meet this exact challenge. the solution includes a wireless safety stop for
mobile vehicles in industrial production lines. the system handles the transmission of a safe stop command between a non-moving controller and various mobile vehicles such as AGvs or AmRs. It consists of a safety radio transmitter and numerous safety radio receivers, allowing even large fleets to be handled with careful precision. Jay RadioSafe is a fully type-tested system with SIL3 and PLe safety levels, certified by tÜv SÜD. beyond a safe emergency stop function, the
system can transmit controlled stop functions or delayed stop functions. the delay ensures that vehicles do not stop and block fire doors or evacuation routes within a facility. the frequency used for transmission can be set to the country of operation according to regulations. there are 25 working channels available in the 434mhz frequency band, or 64 channels in the 915mhz band. Following the safe stop signal, the unmanned vehicles can be safely switched back on and resume service without human interaction. Whether designing or adapting the existing
energy transmission philosophy, charging and energy storage in autonomous vehicles or safe emergency stop concepts – Conductix- Wampfler provides integrators with intelligent solutions from a single source.
Conductix-Wampfler
www.conductix.co.uk/en
52 oCtobeR 2021 | FACtoRY&HANDLINGSoLUtIoNS
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