Space-saving energy supply for gate systems

• What was needed: energy chain micro flizz®, chainflex®-cable
• Requirements: A cable routing was needed that is robust and can withstand rain, snow, fog, frost and heat. It also had to run in extremely tight spaces.
• Industry: Aerospace, aviation industry
• Success for the customer: As the upper and lower runs of the energy chain run separately, friction and wear are minimised. The compact, space-saving system is closed at the top and thus offers protection against dirt and dust. The use of the energy chain pays off, so that the system is now always installed in the telescopic doors.

With well over 500 customised doors installed, Butzbach GmbH Industrietore is the market leader in Europe. The specialist realises individual solutions for industry and aviation of all sizes, with each door being a special design. There are sliding doors with individually movable door leaves, telescopic and radial run-out doors - each with or without an electric drive. Due to safety concerns, each door leaf should usually be individually fitted with a closing edge safety device. A continuous connection is necessary so that the information from the individual closing edge safety devices can flow from door leaf to door leaf. As the nominal voltage of the safety technology is usually 24 V, busbar systems or conductor lines are at a disadvantage here. The sliding contact or copper tracks on the rails hanging outside fog up/corrode due to environmental influences and faults occur. For this reason, a cable connection is required for which a suitable cable routing must be used. This had to be robust as well as being able to withstand rain, snow, fog, frost and heat.
Initially, Butzbach GmbH used a normal standard busbar for data transmission, but this only worked to a limited extent and was vulnerable. After a year at the latest, the first complaints came in. The fault lay with the rail. It was not flexible enough in the carriage area. In addition, the extremely tight space conditions on site made assembly or repair considerably more difficult.

The special micro flizz® energy supply system has been proving its worth for years, especially in the space-saving telescopic system, which is being used more and more frequently. This energy chain solution for horizontal applications supplies a moving consumer with energy via a roller or sliding carriage. It runs in a compact aluminium guide channel that separates the upper and lower run of the chain. The reduced force minimises friction and wear. The compact, space-saving system is closed at the top and thus offers protection against dirt and dust.
The energy supply system is attached to the driven door leaf. The information from the individual closing edge safety devices is 'looped through' from door leaf to door leaf and connected to the door control unit. If a closing edge is triggered, the control system reacts immediately, the motor shuts down immediately and the entire door stops. It is then reversed and moves back approx. 1 metre so that the obstacle is released.
Although a classic standard conductor line is more favourable in principle, it does not achieve the required level of reliable data transmission. Due to the requirements on site - robust, very narrow, small and pure information transmission - the use of the energy chain micro flizz® pays off, so that the system is now always installed in the telescopic doors.
We also supply the cables directly. Due to the low speed of 0.25 m/s and the infrequent travelling frequency, the door specialist was able to cut back on the bend radius of the bend-resistant chainflex® cable used for information transmission. It was also possible to place more cables in the energy chain.