An air switch for early warning of electricity safety
An air switch and safety technology, which is applied in the direction of electrical components, circuit devices, etc., can solve the problems of advance warning without air switch and the inability to realize early warning, etc.
Active Publication Date: 2022-03-29
福建集薪物联网科技有限公司
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Problems solved by technology
[0005] However, the inventors have found that most of the above-mentioned technical solutions for air switches in the prior art provide early warnings for the overload phenomena that have occurred, and they are all aimed at a single air switch itself, which cannot achieve early warnings, nor does it achieve air within a predetermined range. Early warning of the overall situation of the switch
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[0034] In the following, the invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0035] see figure 1 , is a schematic diagram of the application environment of the air switch for early warning of electricity safety according to an embodiment of the present invention.
[0036] figure 1 In, the air switch is distributed in multiple positions of the target power consumption area, and the target power consumption area contains a plurality of target early warning devices, and each of the target early warning devices is connected to a plurality of remote terminal units; each of the target early warning devices The device is connected to at least one air switch in communication with the remote terminal unit for receiving a trip command from the remote terminal unit.
[0037] In this embodiment, the remote terminal unit used, referred to as RTU (Remote terminal unit), is a special computer measurement and control unit with a ...
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The present invention proposes an air switch for early warning of electricity safety, and the air switch is distributed in multiple positions in a target electricity consumption area. The target power consumption area includes multiple target early warning devices, and each target early warning device is connected to multiple remote terminal units (RTUs) and at least one air switch. At least one voltage sensor and at least one current sensor are connected to the target early warning device through respective on-off control switches; RTU receives the detection signal of the voltage sensor and / or current sensor for trend analysis and then obtains the detection signal trend analysis result; Each RTU broadcasts its own detection signal trend analysis result in the target power consumption area, and receives detection signal trend analysis results broadcast by other RTUs; based on the detection signal trend analysis result, the RTU determines whether to issue a trip command. The air switch of the present invention can realize real-time early warning and advanced early warning.
Description
technical field [0001] The invention belongs to the technical field of industrial safe electricity use, and in particular relates to an air switch for early warning of electricity safety. Background technique [0002] Air switch, also known as air circuit breaker, is a kind of circuit breaker. The air switch is an extremely important electrical appliance in low-voltage power distribution and electric drive systems, and is widely used in various fields. The air switch is widely used in various electrical control cabinets of factories and companies due to its good functions of overload protection, short circuit protection and undervoltage protection. [0003] The low-voltage air switch is an electrical device that integrates control and multiple protection functions. By judging the current current exceeds the rated current short circuit or voltage loss, it can cut off the over-current user line to achieve protection. The low-voltage air switch is actually an overload protect...
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IPC IPC(8): H02J13/00
CPCH02J13/00002H02J13/00036H02J13/0004H02J13/00001
Inventor 郑志谊董行群陈钊
Owner 福建集薪物联网科技有限公司