Non-intrusive smart home power load monitoring device

Abstract

The utility model discloses a non-intrusive intelligent household power load monitoring device, and relates to the field of household power monitoring. The electric power data acquisition layer comprises an electric leakage monitoring circuit, a current transformer, a voltage transformer and a high-precision electric energy meter; the electric power data analysis layer comprises a signal amplifier and a single-chip microcomputer controller. The power data transmission layer comprises a communication unit and a monitoring terminal; one end of the electric leakage monitoring circuit is connected with a load circuit, and the other end of the electric leakage monitoring circuit is connected with the single-chip microcomputer controller through the signal amplifier. The monitoring module monitors whether the circuit leaks electricity or not. The current transformer and the voltage transformer are respectively connected with the single-chip microcomputer controller through a signal amplifier, and are used for monitoring the current and voltage power utilization conditions of a load circuit. The output of the single-chip microcomputer controller is connected with a monitoring terminal through a communication unit, and the single-chip microcomputer controller is used for displaying the real-time power utilization condition of the load circuit. According to the utility model, a non-intrusive design is adopted, and large-scale reconstruction and wiring of household circuits are not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of domestic electric power monitoring, more particularly to a non-intrusive intelligent household electric power load monitoring device. BACKGROUND

[0002] With the rapid development of science and technology, smart home gradually enters people's life, and brings people more convenient, comfortable and efficient living experience. The smart home system realizes remote control, automation and other functions by connecting various electrical equipment to the network. However, in the process of running the smart home, the effective monitoring of the electric power load becomes crucial.

[0003] The traditional electric power load monitoring method often adopts the invasive method, which needs to directly connect the monitoring device to the circuit, which not only has a complex installation process and may cause damage to the original circuit, but also has a high cost. For the family that has completed the decoration, it is difficult to install the invasive monitoring device by rewiring. In addition, the invasive monitoring device can usually only monitor the electric power load of a certain area or a few electrical appliances, and cannot comprehensively and real-timely understand the electric power use of the whole family.

[0004] Therefore, it has important practical significance to develop a non-intrusive intelligent household electric power load monitoring device, which can comprehensively, accurately and real-timely monitor the electric power load of the family without damaging the original circuit structure, and provide strong support for the optimization management and energy saving of the smart home. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a non-intrusive intelligent household electric power load monitoring device to solve the problems in the above background technology.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] A non-intrusive intelligent household electric power load monitoring device, comprising an electric power data acquisition layer, an electric power data analysis layer and an electric power data transmission layer;

[0008] The electric power data acquisition layer comprises a leakage monitoring circuit, a current transformer, a voltage transformer and a high-precision electric energy meter; the electric power data analysis layer comprises a signal amplifier and a single-chip microcomputer controller; and the electric power data transmission layer comprises a communication unit and a monitoring terminal;

[0009] One end of the leakage monitoring circuit is connected with the load circuit, and the other end is connected with the single-chip microcomputer controller through the signal amplifier; the leakage monitoring circuit is used for monitoring whether the circuit leaks; the current transformer and the voltage transformer are respectively connected with the single-chip microcomputer controller through the signal amplifier, and are used for monitoring the power consumption of the current and voltage of the load circuit;

[0010] The output of the single-chip microcomputer controller is connected with a monitoring terminal through a communication unit, for displaying real-time power consumption of the load circuit.

[0011] Optionally, the leakage monitoring circuit is connected with a buzzer alarm, and the leakage monitoring circuit comprises a threshold comparator, and the current of the load circuit flows through the threshold comparator, and when the current exceeds a preset threshold, the buzzer alarm gives an alarm.

[0012] Optionally, the communication unit is a wired communication module for long-distance communication transmission, and the wired communication module comprises a signal transmitter, a packet switch, a coaxial cable and a signal receiver connected in sequence, and the signal receiver inputs the received signal to the monitoring terminal to complete signal presentation of the monitoring terminal.

[0013] Optionally, the communication unit is a wireless communication module for short-distance communication transmission, and the wireless communication module comprises a signal transmitting assembly and a signal receiving assembly, the signal transmitting assembly is used for transmitting a to-be-transmitted signal, and the signal receiving assembly is used for receiving the to-be-transmitted signal and transmitting the to-be-transmitted signal to the monitoring terminal to complete signal presentation of the monitoring terminal.

[0014] Optionally, the single-chip microcomputer controller is provided with a first counter and a second counter, the first counter is used for calculating power consumption, and the second counter is used for calculating a leakage condition.

[0015] Optionally, the single-chip microcomputer controller is provided with an interrupt system, and the leakage monitoring circuit is connected with the interrupt system, and when leakage occurs, the interrupt system interrupts a currently executing program.

[0016] Optionally, the monitoring terminal is a mobile phone, a computer, a tablet computer or other mobile terminals.

[0017] Optionally, the monitoring terminal is provided with a user operation interface for user interaction with the monitoring terminal.

[0018] According to the above technical solution, compared with the prior art, the non-intrusive intelligent household power load monitoring device has the following beneficial effects:

[0019] 1. The device adopts a non-intrusive design, does not need to make large-scale modification and wiring to a household circuit, only needs to install current transformers, voltage transformers and other equipment on an existing circuit, greatly reduces installation difficulty and cost, and also reduces influence on normal power consumption of a household. The non-intrusive design makes the device applicable to various types of intelligent household circuits, whether a newly-built house or an old house, can be conveniently installed and used, and has wide application prospects.

[0020] 2、The leakage monitoring circuit can monitor whether leakage occurs in real time, and once leakage is detected, measures such as cutting off the circuit can be taken in time, effectively avoiding safety hazards such as electric shock accidents and electrical fires caused by leakage, and protecting the life and property safety of household personnel. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0022] Figure 1 The present application is a structural schematic diagram. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] The present application discloses a non-intrusive intelligent household power load monitoring device, as shown in the figure, comprising a power data acquisition layer, a power data analysis layer and a power data transmission layer. Figure 1 The power data acquisition layer comprises a leakage monitoring circuit, a current transformer, a voltage transformer and a high-precision electric energy meter.

[0025] The power data analysis layer comprises a signal amplifier and a single-chip microcomputer controller. The power data transmission layer comprises a communication unit and a monitoring terminal.

[0026] One end of the leakage monitoring circuit is connected with the load circuit, and the other end is connected with the single-chip microcomputer controller through the signal amplifier. The current transformer and the voltage transformer are respectively connected with the single-chip microcomputer controller through the signal amplifier, for monitoring the current and voltage of the load circuit.

[0027] The output of the single-chip microcomputer controller is connected with the monitoring terminal through the communication unit, for displaying the real-time power consumption of the load circuit.

[0028] The above technical solution has the following beneficial effects:

[0029] The current and voltage of the load circuit are monitored by the current transformer and the voltage transformer respectively, so that the power consumption of the circuit can be accurately obtained, including power, electricity and other parameters. These data help users understand the use habits and energy consumption distribution of household appliances, and provide a basis for reasonable power consumption. The use of high-precision electric energy meters further improves the measurement accuracy of power data, ensuring the accuracy and reliability of the monitoring results.

[0030] The signal amplifier amplifies the collected current and voltage signals, improving the quality and strength of the signals, and facilitating accurate processing of the signals by the single-chip microcomputer controller. As the core processing unit, the single-chip microcomputer controller can analyze, calculate and process the amplified signals to obtain the real-time power consumption of the load circuit.

[0031] The presence of the communication unit enables the data processed by the single-chip microcomputer controller to be transmitted to the monitoring terminal in a timely manner, allowing users to view the real-time power consumption of the load circuit at any time and anywhere through the monitoring terminal, which is convenient and efficient, and realizes the functions of remote monitoring and control.

[0032] Further, the leakage monitoring circuit is connected to a buzzer alarm, and the leakage monitoring circuit includes a threshold comparator. The current of the load circuit flows through the threshold comparator, and when the current exceeds a predetermined threshold, the buzzer alarm issues an alarm.

[0033] In this embodiment, a filter circuit is added to the leakage monitoring circuit to reduce the influence of electromagnetic interference, noise and other factors on the threshold comparator, thereby improving the accuracy of leakage monitoring. An RC filter circuit is used and is arranged between the load circuit and the threshold comparator to filter out high-frequency noise signals. Further, the power supply of the entire monitoring device is stabilized by using a voltage stabilizing chip and a power supply filter capacitor to prevent the influence of power supply fluctuations on the monitoring circuit and the alarm circuit.

[0034] This embodiment also adds a self-checking function to the leakage monitoring circuit and the buzzer alarm. The self-checking function is performed at the start of the device or at regular intervals. A small leakage signal is simulated inside the device to detect whether the threshold comparator is working normally and whether the buzzer alarm can issue sound normally.

[0035] Further, the communication unit is a wired communication module for long-distance communication transmission. The wired communication module includes a signal transmitter, a packet switch, a coaxial cable and a signal receiver connected in sequence. The signal receiver receives signals and inputs them to the monitoring terminal, completing the signal presentation of the monitoring terminal.

[0036] Further, the communication unit is a wireless communication module for short-distance communication transmission, the wireless communication module comprises a signal transmitting assembly and a signal receiving assembly, the signal transmitting assembly is used for transmitting a signal to be transmitted, the signal receiving assembly is used for receiving the signal to be transmitted and transmitting the signal to the monitoring terminal, and signal presentation of the monitoring terminal is completed.

[0037] Further, the single-chip microcomputer controller is provided with a first counter and a second counter, the first counter is used for calculating the power consumption, and the second counter is used for calculating the electric leakage.

[0038] Further, the single-chip microcomputer controller is provided with an interrupt system, the electric leakage monitoring circuit is connected with the interrupt system, and when electric leakage occurs, the current executing program is interrupted.

[0039] Further, the monitoring terminal is a mobile phone, a computer, a tablet computer or other mobile terminals.

[0040] The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts of each embodiment can be referred to each other. For the device disclosed by the embodiments, since it corresponds to the method disclosed by the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0041] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications of the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A non-intrusive smart home power load monitoring device, characterized by, It comprises a power data acquisition layer, a power data analysis layer and a power data transmission layer. The power data acquisition layer comprises a leakage monitoring circuit, a current transformer, a voltage transformer and a high-precision electric energy meter; the power data analysis layer comprises a signal amplifier and a single-chip microcomputer controller; and the power data transmission layer comprises a communication unit and a monitoring terminal. One end of the leakage monitoring circuit is connected with a load circuit, and the other end is connected with the single-chip microcomputer controller through the signal amplifier; the leakage monitoring circuit is used for monitoring whether leakage occurs; the current transformer and the voltage transformer are respectively connected with the single-chip microcomputer controller through the signal amplifier, and are used for monitoring the power consumption of the current and the voltage of the load circuit. The output of the single-chip microcomputer controller is connected with the monitoring terminal through the communication unit, and is used for displaying the real-time power consumption of the load circuit.

2. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The leakage monitoring circuit is connected with a buzzer alarm, and the leakage monitoring circuit comprises a threshold comparator; the current of the load circuit flows through the threshold comparator, and when the current exceeds a preset threshold, the buzzer alarm gives an alarm.

3. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The communication unit is a wired communication module, which is used for long-distance communication transmission; the wired communication module comprises a signal transmitter, a packet switch, a coaxial cable and a signal receiver connected in sequence; the signal receiver receives signals and inputs the signals to the monitoring terminal, so as to complete signal presentation of the monitoring terminal.

4. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The communication unit is a wireless communication module, which is used for short-distance communication transmission; the wireless communication module comprises a signal transmitting assembly and a signal receiving assembly; the signal transmitting assembly is used for transmitting a to-be-transmitted signal; the signal receiving assembly is used for receiving the to-be-transmitted signal and transmitting the to-be-transmitted signal to the monitoring terminal, so as to complete signal presentation of the monitoring terminal.

5. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The single-chip microcomputer controller is provided with a first counter and a second counter; the first counter is used for calculating power consumption; and the second counter is used for calculating leakage.

6. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The single-chip microcomputer controller is provided with an interrupt system; the leakage monitoring circuit is connected with the interrupt system; and when leakage occurs, the interrupt system interrupts a currently executed program.

7. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The monitoring terminal is a mobile phone, a computer, a tablet computer or other mobile terminals.

8. The non-intrusive smart home power load monitoring device according to claim 1, wherein, The monitoring terminal is provided with a user operation interface, which is used for user interaction with the monitoring terminal.

Images