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Cable anti-theft device

A cable and relay technology, applied in the field of cable anti-theft, can solve the problems of inability to detect unpowered cables, difficult operation, complex structure, etc., and achieve the effects of simple structure, cost saving, and small size

Active Publication Date: 2017-08-29
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The principle of this scheme is to form a loop with the charged cable, the loop bridge circuit and the power-off detection circuit. After the cable is broken, the returned signal cannot be received, and the alarm circuit will be triggered. However, this system cannot detect the cable that is not powered. Moreover, the structure is relatively complicated, the wiring is cumbersome, charging circuits, circuit bridges, etc. are required, the cost is high, and it is not easy to operate

Method used

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Embodiment Construction

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] A cable anti-theft device, such as Figure 1 to Figure 5 As shown, it includes a circuit module and an outer sleeve fixed outside the circuit module.

[0024] The sub-modules in the circuit module include power module, charging module, relay, voltage regulator module, MCU module, GSM module and buzzer, such as figure 1 with figure 2 shown. These sub-modules in the circuit module are fixed on the inner wall of the outer casing by screws.

[0025] The power module is connected to the relay, including a 24V DC rechargeable lithium battery and a start switch S connected in series with the battery. The power module provides DC working voltage for the whole device. The cable anti-theft device also includes a charging module, which is connected to a rechargeable lithium battery. The charging module is provided with a charging por...

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Abstract

The invention discloses a cable antitheft apparatus and relates to the technical field of cable antitheft. The cable antitheft apparatus comprises a circuit module and an outer sleeve disposed outside the circuit module. The circuit module comprises a power module, a relay, a voltage-stabilizing module, a MCU module, a GSM module, and a buzzer. The power module is connected with the relay and the voltage-stabilizing module. The relay is a normally-closed relay. One end of the coil of the relay is connected with the power module. The other end of the coil of the relay is provided with a first wiring port. One end of the contact of the relay is connected with the power module. The other end of the contact of the relay is connected with the voltage-stabilizing module. One end, not connected with the coil of the relay, of the power module is provided with a second wiring port. The voltage-stabilizing module is connected with the GSM module and the MCU module. The MCU module is connected with the GSM module. The cable antitheft apparatus uses the universal electronic modules, is simple in structure, convenient to operate, and small in size, and may protect a long-distance unpowered laid cable in order to achieve double effects of buzzing alarm and short message alarm.

Description

technical field [0001] The invention relates to the technical field of cable theft prevention. Background technique [0002] In the supporting construction of distribution network, road network and community, the cable construction period is long, often lasting several days or even tens of days. The cable is not put into operation before the cable is laid and the power is sent. During this period, the cable is very easy to lose. The economic loss caused by the loss of the cable is more than 300,000 yuan every year, which has caused great damage to the construction party and the investor. Economic losses. In order to prevent theft, many construction units arrange monitoring equipment, such as cameras, etc. in the places where cables are stored. However, the limitation of this method is that it is difficult to realize the erection of monitoring equipment when the construction site is in the wilderness. There are also construction units that assign special personnel to take c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B13/02G08B25/10
CPCG08B13/02G08B25/08
Inventor 崔猛甄文鑫雷洋李岩坤杨志军
Owner STATE GRID CORP OF CHINA
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