CN205787820U - Power anti-electricity-theft and alarm device - Google Patents

Abstract

The utility model relates to the technical field of power supply auxiliary equipment, in particular to a power supply anti-stealing and alarm device, which is characterized in that it is equipped with a controller, a memory, a power supply circuit, a wireless communication circuit, a display circuit, a display, an alarm circuit, a sound Optical alarm, zero line open circuit detection circuit, current sampling circuit, power supply control circuit, in which the controller is respectively connected with the memory, power supply circuit, wireless communication circuit, display circuit, alarm circuit, current sampling circuit, power supply control circuit, and the display circuit The output end of the alarm circuit is connected with the display, the output end of the alarm circuit is connected with the sound and light alarm, the output end of the zero line open circuit detection circuit is connected with the current sampling circuit, and the zero line open circuit detection circuit includes the zero line connected to the meter The detection lines of the incoming line terminal and the neutral line outgoing line end are grounded at the same time, and a current transformer is arranged in the current sampling circuit. Compared with the prior art, the utility model has the remarkable advantages of reasonable structure.

Description

Power supply anti-theft and alarm device

technical field

The utility model relates to the technical field of power supply auxiliary equipment, in particular to a power supply anti-theft and alarm device with reasonable structure and reliable operation.

Background technique

Stealing electricity is a serious problem faced by the power system. It not only brings losses to power supply enterprises, but also brings many unstable factors to the operation of the power grid. With the large-scale use of electronic residential meters, the way of stealing electricity tends to be hidden. Compared with the traditional tangent method of shorting the live wire, there is currently a one-line-one-ground electricity stealing method, which refers to using the live wire in the power grid for power supply, cutting off the ground wire of the meter, and using the earth as the ground wire of the indoor power distribution line. Power supply, this kind of stealing method can not be counted due to the loss of the ground wire of the electric energy meter.

Contents of the invention

Aiming at the shortcomings and deficiencies in the prior art, the utility model proposes a power supply anti-theft and alarm device with reasonable structure and reliable operation.

The utility model reaches through the following measures:

A power supply anti-theft and alarm device, characterized in that it is equipped with a controller, a memory, a power circuit, a wireless communication circuit, a display circuit, a display, an alarm circuit, an audible and visual alarm, a zero line open circuit detection circuit, a current sampling circuit, Power supply control circuit, wherein the controller is respectively connected with memory, power supply circuit, wireless communication circuit, display circuit, alarm circuit, current sampling circuit, power supply control circuit, the output end of the display circuit is connected with the display, and the output end of the alarm circuit is connected with the The acousto-optic alarms are connected, and the output terminal of the zero line open circuit detection circuit is connected with the current sampling circuit. The zero line open circuit detection circuit includes the detection line connected to the neutral line input end and the neutral line output end of the ammeter, and the detection line is simultaneously Grounded, the current sampling circuit is provided with a current transformer.

The power supply control circuit of the utility model is provided with a control switch connected to the live wire inlet end of the ammeter, and the control end of the control switch is connected with the controller. When electricity stealing occurs, the power supply is cut off under the control of the controller.

The wireless communication circuit of the utility model adopts a GPRS module and a Bluetooth communication module for uploading detection data and alarm signals to the management and control center.

The utility model is also provided with a vibration sensor connected with the controller, which is installed near the electric energy meter or the distribution box, and is used to collect the vibration data of the environment where the electric energy meter and the distribution box are located, and store the collected data in the memory .

The utility model is also provided with a USB communication circuit connected with the controller, so that maintenance personnel can access the controller and the memory through a wired method, and read relevant detection data.

In the process of using the utility model, when the zero line disconnection detection circuit acquisition circuit detects the zero line disconnection, the zero line is charged at this time, the current sampling circuit collects the detection current, and feeds back the collected data to the controller, and the controller controls the power supply control The relay in the circuit is disconnected and the power supply is cut off. At the same time, the controller controls the alarm circuit to alarm, and sends the alarm information to the remote control center through the wireless communication circuit. In addition, the vibration sensor connected to the controller can collect data from the energy meter or distribution box. Nearby vibration data, the collected data is stored in the memory, when the vibration data is greater than the alarm threshold, it can be considered that the related equipment has been damaged by external force, the alarm circuit will alarm, and the wireless communication circuit will send a remote early warning signal; in addition, the utility model can be used as an alarm Signal forwarding relay, obtain the information sent by the adjacent alarm device through the Bluetooth communication module in the wireless communication circuit, and store the information in the local memory, and then pass the USB communication circuit or GPRS communication module or The Bluetooth communication circuit completes forwarding and uploading.

Compared with the prior art, the utility model has the remarkable advantages of reasonable structure, reliable operation and the like.

Description of drawings

Accompanying drawing 1 is a block diagram of the utility model.

Reference signs: controller 1, memory 2, power supply circuit 3, wireless communication circuit 4, display circuit 5, display 6, alarm circuit 7, sound and light alarm 8, zero line open circuit detection circuit 9, current sampling circuit 10, power supply control circuit 11.

detailed description

As shown in the drawings, the utility model proposes a power supply anti-stealing and alarm device, which is characterized in that it is provided with a controller 1, a memory 2, a power circuit 3, a wireless communication circuit 4, a display circuit 5, a display 6, an alarm Circuit 7, sound and light alarm 8, zero line open circuit detection circuit 9, current sampling circuit 10, power supply control circuit 11, wherein the controller 1 is connected with the memory 2, power supply circuit 3, wireless communication circuit 4, display circuit 5, and alarm circuit respectively 6. The current sampling circuit 10 and the power supply control circuit 11 are connected, the output terminal of the display circuit 5 is connected with the display 6, the output terminal of the alarm circuit 7 is connected with the sound and light alarm 8, and the output terminal of the zero line open circuit detection circuit 9 is connected. Connected with the current sampling circuit 10, the neutral line disconnection detection circuit 9 includes a detection line connected to the neutral line input terminal and the neutral line output terminal of the ammeter, and the detection line is grounded at the same time, and the current sampling circuit 10 is provided with a current mutual inductance device.

The power supply control circuit 11 described in the utility model is provided with a control switch connected to the live wire inlet end of the ammeter, and the control end of the control switch is connected with the controller. When stealing electricity occurs, the power supply is cut off under the control of the controller.

The wireless communication circuit 4 of the utility model adopts a GPRS module and a Bluetooth communication module for uploading detection data and alarm signals to the management and control center.

The utility model is also provided with a vibration sensor connected with the controller 1, which is installed near the electric energy meter or the distribution box, and is used to collect the vibration data of the environment where the electric energy meter and the distribution box are located, and store the collected data in the memory middle.

The utility model is also provided with a USB communication circuit connected with the controller 1, so that the maintenance personnel can access the controller and the memory through a wired method, and read relevant detection data.

In the process of using the utility model, when the zero line disconnection detection circuit acquisition circuit detects the zero line disconnection, the zero line is charged at this time, the current sampling circuit collects the detection current, and feeds back the collected data to the controller, and the controller controls the power supply control The relay in the circuit is disconnected and the power supply is cut off. At the same time, the controller controls the alarm circuit to alarm, and sends the alarm information to the remote control center through the wireless communication circuit. In addition, the vibration sensor connected to the controller can collect data from the energy meter or distribution box. Nearby vibration data, the collected data is stored in the memory, when the vibration data is greater than the alarm threshold, it can be considered that the related equipment has been damaged by external force, the alarm circuit will alarm, and the wireless communication circuit will send a remote early warning signal; in addition, the utility model can be used as an alarm Signal forwarding relay, obtain the information sent by the adjacent alarm device through the Bluetooth communication module in the wireless communication circuit, and store the information in the local memory, and then pass the USB communication circuit or GPRS communication module or The Bluetooth communication circuit completes forwarding and uploading.

Compared with the prior art, the utility model has the remarkable advantages of reasonable structure, reliable operation and the like.

Claims (5)

1. an anti-electricity-theft and alarm device of powering, it is characterised in that be provided with controller, memorizer, power circuit, radio communication Circuit, display circuit, display, warning circuit, audible-visual annunciator, zero line break testing circuit, current sampling circuit, for automatically controlled Circuit processed, its middle controller is adopted with memorizer, power circuit, radio communication circuit, display circuit, warning circuit, electric current respectively Sample circuit, power-supplying circuit are connected, and the outfan of display circuit is connected with display, the outfan of warning circuit and sound Light crossing-signal is connected, and the outfan of zero line break testing circuit is connected with current sampling circuit, and described zero line break detects Circuit includes zero line end of incoming cables and the detection line of zero line leading-out terminal accessing ammeter, detection line ground connection, described current sample simultaneously Circuit is provided with current transformer.

A kind of anti-electricity-theft and alarm device of powering the most according to claim 1, it is characterised in that described power-supplying circuit In be provided with access ammeter live wire end of incoming cables control switch, control switch control end be connected with controller, when generation stealing During phenomenon, cut off power supply under the control of the controller.

A kind of anti-electricity-theft and alarm device of powering the most according to claim 1, it is characterised in that described radio communication circuit Use GPRS module and bluetooth communication, for detection data and alarm signal are uploaded to management and control center.

A kind of anti-electricity-theft and alarm device of powering the most according to claim 1, it is characterised in that be additionally provided with and controller phase The vibrating sensor connected, is arranged near electric energy meter or distribution box, for gathering shaking of electric energy meter and distribution box local environment Dynamic data, and by institute's acquired data storage in memory.

A kind of anti-electricity-theft and alarm device of powering the most according to claim 1, it is characterised in that be additionally provided with and controller phase The usb communication circuit connected, enables maintainer by wired mode access controller and memorizer, reads coherent detection Data.