Wireless early warning device of transformer substation
A technology of early warning devices and substations, applied in the field of substations, can solve problems such as unreliability, long time delay, and high cost of signal monitoring, and achieve the effect of low cost and safe operation
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[0018] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and any similar structures and similar changes of the present invention should be included in the protection scope of the present invention.
[0019] Such as figure 1 As shown, a substation wireless early warning device provided by the embodiment of the present invention is characterized in that it includes at least one mobile phone 1, a GSM short message sending and receiving control unit 2, and a photoelectric isolation binary input unit 3 for collecting substation binary input signals , the output relay unit 4 used to control the action actuator of the substation, the line serial communication isolation unit 5 used to interconnect the GSM short message sending and receiving control unit with external equipment, the system status indicating unit 6 used to indicate t...
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