Wireless Service Interface Activation for Building Control Commissioning
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Solution Overview
Problem
The commissioning of building automation systems faces inefficiencies in loading large volumes of data to control devices due to limitations in IP-based networks and the difficulty of accessing controllers in hard-to-reach locations, making USB-based data loading time-consuming and impractical.
Innovation Solution
A control device equipped with a wireless service interface that can be remotely activated via a radio signal, allowing for efficient data transfer without requiring an operational building backbone, using protocols like NFC, Bluetooth, or ZigBee, thereby simulating the activation of a local service button to enable rapid data loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If USB cable connection is used for data loading, then data transfer speed is improved, but ease of operation deteriorates due to difficult physical access and cable length limitations
Solution Approach 1:
The patent replaces the mechanical USB cable connection system with a wireless communication system. The control device includes a wireless interface that can establish wireless connections with external devices, eliminating the need for physical cable connections and manual button activations. This substitution resolves the contradiction by maintaining high data transfer speeds through wireless protocols while dramatically improving ease of operation through remote activation capabilities.
Solution Approach 2:
The patent introduces a wireless interface as an intermediary between the control device and external devices. This intermediary enables data transfer without direct physical contact, allowing technicians to activate and transfer data to controllers in hard-to-reach locations remotely. The wireless interface acts as a mediator that bridges the gap between the need for fast data transfer and the difficulty of physical access.
2Ease of operation
If IP-based network is used for data loading, then ease of operation is improved, but productivity deteriorates when the building backbone is not ready for operation
Solution Approach 1:
The patent enables preliminary data loading and controller activation before the IP-based building backbone is ready for operation. The wireless interface allows technicians to commission controllers and transfer data in advance using alternative wireless networks, so that when the backbone becomes available, the system is already prepared and commissioning can proceed immediately without delays.
Solution Approach 2:
The patent provides dynamic flexibility by allowing the system to switch between different communication modes. The control device can operate with wireless connections when the IP backbone is unavailable, and transition to IP-based networking when it becomes available. This dynamic adaptability ensures continuous productivity regardless of the backbone's operational status.
3Ease of operation
If BACnet MSTP backbone is used for data loading, then ease of operation is improved, but productivity deteriorates due to low transmission capacity and long commissioning time
Solution Approach 1:
The patent replaces the BACnet MSTP serial communication system with a high-speed wireless communication system. The wireless interface supports modern protocols like Wi-Fi, Bluetooth, or Zigbee, which provide significantly higher data transfer rates compared to the legacy MSTP protocol. This substitution maintains ease of operation through wireless convenience while dramatically improving productivity by reducing commissioning time from hours to minutes.
4Reliability
If service button activation is required for wireless interface, then reliability is improved, but ease of operation deteriorates due to manual access requirements
Solution Approach 1:
The patent implements self-service functionality where the wireless interface can be activated automatically through wireless commands without requiring manual button pressing. The control device receives activation commands wirelessly and autonomously activates its wireless service interface, eliminating the need for technicians to physically access and manually activate service buttons. This maintains reliability through controlled activation while dramatically improving ease of operation through remote automation.
Data Source
AI summary
Various embodiments of the teachings herein include a control device comprising: a wireless service interface; and a controller. The control device receives a radio signal generated by a device via a suitable radio connection using a further wireless interface and activates the wireless service interface once receiving the radio signal.