Power cable anti-theft device and system
A technology of power cable and anti-theft device, which is applied in the direction of mechanical start of anti-theft alarm, alarm by breaking/disturbing the straightened rope/metal wire, etc., can solve the problems of poor anti-theft effect of remote detection terminal and so on.
Inactive Publication Date: 2021-04-20
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology
[0005] The invention provides a power cable anti-theft device and system to solve the technical problem that the current remote detection terminal has poor anti-theft effect
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[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0039] figure 1 A schematic structural diagram of a power cable anti-theft device provided by an embodiment of the present invention. The power cable anti-theft device provided in this embodiment can be used for anti-theft monitoring and alarming of power cables. like figure 1 As shown, the power cable anti-theft device provided in this embodiment includes: a control unit 11 , a detection unit 12 and an alarm unit 13 .
[0040] Wherein, the output terminal of the detection unit 12 is connected with the input te...
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The invention discloses a power cable anti-theft device and system, and the device comprises a control unit, a detection unit, and an alarm unit, an output end of the detection unit is connected with an input end of the control unit, an output end of the control unit is connected with an input end of the alarm unit, and a first input end of the detection unit is connected with a cable core of a power cable, the detection unit is used for collecting current in the cable core and sending the collected current to the control unit; the control unit determines whether the power cable is stolen or not according to the collected current, and sends stolen alarm information to the alarm unit and a remote main station when determining that the power cable is stolen; the alarm unit is used for giving an alarm according to the stolen alarm information. On the one hand, the device is simple in structure, comprises few components and is high in reliability; on the other hand, the process of determining whether the power cable is stolen or not through the device is fast, and efficiency is high; and on another hand, the alarm reliability is improved through a double-alarm mode in the device.
Description
technical field [0001] Embodiments of the present invention relate to the field of power cables, in particular to a power cable anti-theft device and system. Background technique [0002] Power cable safety protection is a problem that the power sector has to solve. [0003] The existing cable anti-theft circuit is a remote detection terminal, which is installed at the end of the power cable and has the functions of voltage monitoring and power carrier communication. [0004] However, the current remote detection terminal circuit is very complex, with many components, high cost, and low reliability, resulting in poor anti-theft effect. Contents of the invention [0005] The invention provides a power cable anti-theft device and system to solve the technical problem that the current remote detection terminal has poor anti-theft effect. [0006] In the first aspect, an embodiment of the present invention provides a power cable anti-theft device, including: a control unit, ...
Claims
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Inventor 刘钢莫惠深何胤黎志勇
Owner GUANGDONG POWER GRID CO LTD