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 further described in detail below in conjunction with the description of the drawings, but this embodiment is not used to limit the present invention. Any similar structure and similar changes that adopt the present invention should be included in the protection scope of the present invention.
[0019] Such as figure 1 As shown, a wireless early warning device for a substation provided by an embodiment of the present invention is characterized in that it includes at least one mobile phone 1, a GSM short message transceiver control unit 2, and a photoelectrically isolated binary input unit 3 for collecting input signals of the substation. , Used to control the action actuator of the substation, the output relay unit 4, the line serial communication isolation unit 5 used to interconnect the GSM short message sending and receiving control unit and the external equipment, the system state indicating unit 6 used to indicate the ope...
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