Learning Classroom
In our daily design work, we often encounter issues that seem straightforward but are not clearly defined in the standards, making them difficult to grasp. To address this, the editor has compiled authoritative answers from industry veterans in the water supply and drainage sector, providing some problem-solving ideas for your design work.
This time, let’s delve into, the knowledge related to IoT firefighting water supply units.
Question
Why does the IoT firefighting water supply unit set up an automatic end test function? What are the functional characteristics?
1. Current National Standards
“Technical Specifications for Firefighting Water Supply and Fire Hydrant Systems” GB50974-2014
“Design Specifications for Automatic Sprinkler Systems“ GB50084-2017
“Construction and Acceptance Specifications for Automatic Sprinkler Systems” GB50261-2017
2. Functional CharacteristicsCurrently, end tests are generally conducted manually on a regular basis. The manual approach is constrained by many uncontrollable factors such as the professional quality and expertise of the testing personnel, making it difficult to implement consistently over time, and it is challenging to ensure the authenticity and effectiveness of manual test results. Additionally, in many large factories, massive buildings, and large parks, the number of fire hydrants or end test water points is numerous, with locations that are dispersed and concealed, making it difficult to ensure that each end point receives effective testing under a manual mode.In contrast, the automatic end test function has the following characteristics:(1) Different systems’ automatic end test boxes are tested one by one, with the test cycle and duration set manually according to requirements;(2) The automatic end test boxes of each system can share a communication network with the control cabinets of each system, with flexible and reliable wiring for the communication network, allowing the control cabinets to automatically identify and control their respective automatic end test boxes;(3) During the testing process, the control cabinets can automatically monitor and record information such as the identification number, real-time pressure, real-time actions, real-time alarms, and real-time faults of their respective automatic end test boxes;(4) If the control cabinet receives a genuine fire alarm signal during the testing process, it automatically shuts down the ongoing test of the automatic end test box while the firefighting water pump continues to operate, and the system automatically switches to firefighting operation mode.(5) It can achieve fully automatic, remote manual, and local manual functions during power outages, and the water flow status can be visually observed.
END
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