CN215297449U

CN215297449U - Non-invasive detection device

Info

Publication number: CN215297449U
Application number: CN202121132041.8U
Authority: CN
Inventors: 杨寒; 邢海云; 夏泽楷; 袁辉; 陈凯
Original assignee: Nanjing Institute of Technology
Current assignee: Nanjing Institute of Technology
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-24
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a non-invasive detection device, which comprises a socket body, wherein the socket body is provided with jacks for inserting electrical appliance plugs and pins for inserting power supply sockets; an MCU singlechip, an alternating voltage and current detection module, a wireless communication module and an indicator light are integrated in the socket body; the alternating voltage and current detection circuit is connected with the pins and is used for measuring voltage and current signals flowing in through the pins and comprises a voltage sensor, a current sensor, a rectification filter circuit and an AD conversion circuit; the voltage sensor and the current sensor are connected with the rectifying and filtering circuit through the AD conversion circuit and then transmit the acquired voltage and current signals to the MCU singlechip; the wireless communication module and the MCU singlechip realize the establishment of communication with the mobile terminal. The utility model discloses to non-invasive detection, the device can install and realize non-invasive collection between the power and the socket with electrical apparatus.

Description

Non-invasive detection device

Technical Field

The utility model relates to a collection technical field of electric wire netting data, concretely relates to non-intrusive detection device.

Background

With the increasing environmental pressure of global resources, it is a common goal of the global power industry to build a safer, more reliable, more environment-friendly and more economic smart grid. At present, in a chain of power generation, power transmission, power distribution and power utilization, interaction between a power grid and an end user is relatively weak, and overall performance and efficiency of a power system are influenced. In order to really realize the interaction between the smart grid and the user, so that the user really participates in the power market, great benefits are brought to the operation and asset management of the system, detailed power utilization parameters of the power utilization equipment are provided for the smart grid, and the user feels to benefit from the smart meter.

The traditional load monitoring is mainly intrusive, namely, a hardware device is additionally arranged at the current output end of each monitored device for data acquisition in order to achieve the monitoring purpose, and then related analysis software is used for processing the data to acquire fault or other operation information, so that the mode may influence the normal work of the original device, the number of required detection hardware devices is large, and the installation, use and maintenance costs of the hardware devices are increased.

In order to solve the problem of intrusive load monitoring, research on non-intrusive load monitoring is particularly important.

SUMMERY OF THE UTILITY MODEL

1. The technical problem to be solved is as follows:

to the technical problem mentioned above, the utility model provides a non-invasive detection device

2. The technical scheme is as follows:

a non-invasive sensing apparatus, comprising: the socket comprises a socket body, wherein the socket body is provided with jacks for inserting plugs of electrical appliances and pins for inserting power supply sockets; an MCU singlechip, an alternating voltage and current detection module, a wireless communication module and an indicator light are integrated in the socket body; the alternating voltage and current detection circuit is connected with the pins and is used for measuring voltage and current signals flowing in through the pins and comprises a voltage sensor, a current sensor, a rectification filter circuit and an AD conversion circuit; the voltage sensor and the current sensor are connected with the rectifying and filtering circuit through the AD conversion circuit and then transmit the acquired voltage and current signals to the MCU singlechip; the wireless communication module and the MCU singlechip realize the establishment of communication with the mobile terminal.

Furthermore, the wireless communication module realizes communication by adopting WiFi signals; the wireless communication module is of the type ESP 8266.

Furthermore, a USB interface is arranged on the surface of the socket body, a binding post is arranged on the surface of the socket body, and the binding post is connected with the alternating current voltage and current detection circuit; when in use, the binding post is connected with an input circuit of an electric appliance of the non-socket.

Furthermore, the socket body is also provided with a power on/off button for controlling whether the device collects voltage and current data.

Further, the display device also comprises a display module, and the display module is connected with the MCU singlechip.

Further, the power supply adapter circuit is also included; when the power adapter circuit is inserted into a socket or is connected to an input circuit of a non-socket electrical appliance, the power adapter circuit is connected with an electrical appliance circuit to output 5v and 3.3v power circuits; the 5V power supply circuit provides electric energy for the single chip microcomputer and the alternating voltage and current detection module; the 3.3v power supply circuit provides power for the wireless communication module.

3. Has the advantages that:

(1) the present invention designs a device similar to a socket for non-intrusive detection that can be installed between a power source and the socket of an electrical consumer. Similar to the lamp, the consumer without a socket is connected with a circuit by what to realize non-invasive collection.

(2) The non-invasive detection device provided by the invention can accurately measure various parameters of the household electrical appliance, and a network path is established between the wireless communication module in the socket and the mobile terminal by relying on the household router. And the detection of the parameters of each electric appliance in a specific area is realized by transmitting signal networking.

Drawings

Fig. 1 is an external view of the present invention;

FIG. 2 is a simplified diagram of the overall structure of the present invention;

FIG. 3 is a connection diagram of the single chip microcomputer according to an embodiment of the present invention;

fig. 4 is a circuit diagram of the ac voltage and current detecting module according to the present invention;

fig. 5 is a circuit diagram of a wireless communication module according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, a non-invasive detecting apparatus is characterized in that: the socket comprises a socket body 1, wherein the socket body is provided with jacks for inserting plugs of electrical appliances and pins 2 for inserting power supply sockets; an MCU singlechip, an alternating voltage and current detection module, a wireless communication module and an indicator light 5 are integrated in the socket body; the alternating voltage and current detection circuit is connected with the pins and is used for measuring voltage and current signals flowing in through the pins and comprises a voltage sensor, a current sensor, a rectification filter circuit and an AD conversion circuit; the voltage sensor and the current sensor are connected with the rectifying and filtering circuit through the AD conversion circuit and then transmit the acquired voltage and current signals to the MCU singlechip; the wireless communication module and the MCU singlechip realize the establishment of communication with the mobile terminal.

Furthermore, the wireless communication module realizes communication by adopting WiFi signals; the wireless communication module is model ESP 826.

Further, a binding post 3 is arranged on the surface of the socket body and is connected with an alternating voltage and current detection circuit; when in use, the binding post is connected with an input circuit of an electric appliance of the non-socket. As shown in fig. 1, the surface of the terminal is provided with a transparent protective sleeve 4, and the electric wire enters through a through hole of the protective sleeve and is connected to the terminal.

Fig. 3 to 5 are circuit diagrams of a single chip microcomputer, an ac voltage and current detection module, and a wireless communication module according to the present invention.

Specific example 1: take a refrigerator in a home appliance as an example; during earlier will this device insert the jack of power before the use, during the corresponding jack of this device of plug insertion of back with the refrigerator, open the collection switch of this device, open corresponding APP on mobile terminal, can know the real-time power of refrigerator. If an exception occurs, an exception signal may be received.

Specific example 2: take a ceiling lamp in a household appliance as an example; when the ceiling lamp is installed, the device is installed in an input circuit of the ceiling lamp through the wiring terminal at the switch of the ceiling lamp, the acquisition switch of the device is opened, the corresponding APP is opened on the mobile terminal, and the real-time power of the refrigerator can be known. If an exception occurs, an exception signal may be received.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A non-invasive sensing apparatus, comprising: the socket comprises a socket body, wherein the socket body is provided with jacks for inserting plugs of electrical appliances and pins for inserting power supply sockets; an MCU singlechip, an alternating voltage and current detection module, a wireless communication module and an indicator light are integrated in the socket body; the alternating voltage and current detection circuit is connected with the pins and is used for measuring voltage and current signals flowing in through the pins and comprises a voltage sensor, a current sensor, a rectification filter circuit and an AD conversion circuit; the voltage sensor and the current sensor are connected with the rectifying and filtering circuit through the AD conversion circuit and then transmit the acquired voltage and current signals to the MCU singlechip; the wireless communication module and the MCU singlechip realize the establishment of communication with the mobile terminal.

2. A non-invasive sensing apparatus according to claim 1, wherein: the wireless communication module realizes communication by adopting WiFi signals; the wireless communication module is of the type ESP 8266.

3. A non-invasive sensing apparatus according to claim 1, wherein: a wiring terminal is arranged on the surface of the socket body and connected with an alternating current voltage current detection circuit; when in use, the binding post is connected with an input circuit of an electric appliance of the non-socket.

4. A non-invasive sensing apparatus according to claim 1, wherein: the socket body is further provided with a startup and shutdown button for controlling whether the device collects voltage and current data.

5. A non-invasive sensing apparatus according to claim 1, wherein: the display device further comprises a display module, and the display module is connected with the MCU singlechip.

6. A non-invasive sensing apparatus according to claim 1, wherein: the power supply adapter circuit is also included; when the power adapter circuit is inserted into a socket or is connected to an input circuit of a non-socket electrical appliance, the power adapter circuit is connected with an electrical appliance circuit to output 5v and 3.3v power circuits; the 5V power supply circuit provides electric energy for the single chip microcomputer and the alternating voltage and current detection module; the 3.3v power supply circuit provides power for the wireless communication module.