TWM544084U - Internet-of-things power monitoring system - Google Patents

Description

Internet of Things Power Monitoring System

The following description relates to an IoT power monitoring system, and more particularly to an IoT power monitoring system capable of simultaneously monitoring power signals of a field or an electronic device and analyzing its power quality or power usage behavior.

A typical IoT system can only control the power of an electronic device in a domain space, such as controlling the power on or off at a specific time, and cannot have further functions, such as monitoring its workplace or home environment. Whether the quality of the power signal of the electronic device is stable or the behavior of electricity is used.

Moreover, the conventional IoT system can be connected to the user's mobile device through the network, and the mobile device directly remotely operates all the electronic devices in the Internet of Things system, but if the electronic device's power signal is for a time An abnormality occurs, and the user usually cannot know immediately, which may cause loss of life or property to the user.

As mentioned above, the creators of this creation think about and design an IoT power monitoring system, and painstakingly study it to improve the lack of existing technology, thereby enhancing the implementation and utilization of the industry.

In view of the above-mentioned problems of the prior art, one of the purposes of the present invention is to provide an IoT power monitoring system capable of simultaneously monitoring power signals of a field or an electronic device and analyzing its power quality or power usage behavior.

Based on the above purposes, the present invention provides an Internet of Things power monitoring system, wherein the Internet of Things power monitoring system includes a monitoring device, a cloud web server, and a mobile device. The monitoring device has a microcontroller, an operation interface and a screen, and the monitoring device is connected to the field or the electronic device, and the power signal of the field or the electronic device can be monitored by the microcontroller, and the operation interface is displayed through the screen. The operating interface can have the option of selectively monitoring the power signal and presenting the instantaneous power signal of the field or electronic device through the operating interface. The cloud web server has a database, the database has a storage unit and a processing unit, and the storage unit stores a historical data. When the microcontroller transmits the power signal of the field or the electronic device to the processing unit via the network, the processing unit utilizes This historical data or an algorithm is used to calculate the noise of the power signal or its higher harmonics, and accurately calculate the fundamental frequency of the power signal to know the quality of the power signal or use Electrical behavior, and the historical data or algorithm used by the calculation program can be displayed synchronously on the operation interface. When the calculation program is finished, the analysis report of the power signal can be displayed on the operation interface and stored in the storage unit and the mobile device simultaneously. With an application and a touch screen, the mobile device can be connected to the monitoring device and the cloud web server via the network, and the touch screen can simultaneously display the operation interface or analyze the report for use. Remotely monitor the field or electronic device.

Preferably, the microcontroller can include a buck module and a sensing module.

Preferably, the buck module can be an operational amplifier for stepping down the power signal of the field or the electronic device, and then converting the analog signal of the power signal into a digital signal by the microcontroller, and then The network is sent to the cloud web server for the processing unit to perform subsequent calculations.

Preferably, the sensing module can be a Hall sensing module, the Hall sensing module is connected to the load, the load is a heater or a heat sink, and the heater is controlled by a PWM controlled PWM modulation or heat dissipation. And with a Hall sensing module to observe changes in the power signal when the field or electronic device is operating.

Preferably, the power signal can be a voltage signal or a current signal of a field or an electronic device.

Preferably, the algorithm can be a Fourier algorithm or a zero crossover point algorithm.

Preferably, the analysis report may include sudden rise, dip, interruption or harmonic interference of the power signal.

Preferably, the storage unit can be a network hard drive.

Preferably, the processing unit can be a cloud computing system.

Preferably, the field can be a technology plant or a livestock farm.

Preferably, the electronic device can be an electric meter of a 3C home appliance or a power box.

Preferably, the historical data may include a safety manual for each type of 3C household appliance and a power supply box of different specifications, and the safety manual specifies the safety range of the power signal as a reference for the user.

Preferably, after the cloud web server is verified by the administrator account, the database can be accessed or updated directly to the cloud web server or the mobile device.

As stated above, the IoT power monitoring system of the present invention may have one or more of the following advantages:

(1) The IoT power monitoring system can simultaneously monitor the power signal of the technology factory or general 3C home appliances, and then through the algorithm of the processing unit of the cloud web server, such as the Fu Lizhen algorithm or the zero crossover algorithm. After filtering out the noise of the power signal and its higher harmonics, the fundamental frequency of the power signal is accurately calculated.

(2) The analysis report of the power signal obtained by the IoT power monitoring system through the calculation program can be further provided to the big data data to analyze its power quality or power usage behavior.

(3) This IoT power monitoring system is suitable for use in various types of technology plants or 3C home appliances and power meters of different specifications of power boxes, so that users can choose according to their needs.

In order to understand the technical characteristics, content and advantages of the creation and the effects that can be achieved by the examiner, the author will use the drawings in detail and explain the following in the form of the examples, and the drawings used therein The subject matter is only for the purpose of illustration and supplementary explanation. It is not necessarily the true proportion and precise configuration after the implementation of the original creation. Therefore, the scope and configuration relationship of the attached drawings should not be interpreted or limited. First described.

The IoT power monitoring system of the present invention will be described below with reference to the related drawings. For ease of understanding, the same components in the following embodiments are denoted by the same reference numerals.

Please refer to Figure 1, which is a block diagram of the IoT power monitoring system. In the figure, the Internet of Things power monitoring system 1 includes a monitoring device 10, a cloud web server 20, and a mobile device 30. The monitoring device 10 has a microcontroller 101, an operation interface 102 and a screen 103. The monitoring device 10 can be connected to the field 40 or the electronic device 50, and transmits the power signal of the field 40 or the electronic device 50 by the microcontroller 101. Monitoring is performed and the operating interface 102 is displayed through the screen 103. The operating interface 102 has the option of selectively monitoring the power signal, such as selecting to monitor certain devices within the field 40 or to individually target the particular power signal of the electronic device 50. The monitoring and the like can be performed, and the real-time power signal of the field 40 or the electronic device 50 can be presented through the operation interface 102. The instant power signal can be a voltage signal or a current signal of the field 40 or the electronic device 50, such as a common commercial AC voltage. Or AC current, or DC voltage or DC current converted by the rectifier.

The cloud web server 20 has a database 201. The database 201 has a storage unit 201a and a processing unit 201b. The storage unit 201a is a network hard disk drive such as a NAS network hard disk drive. The network hard disk drive used by the storage unit 201a is an external two NAS network hard disk drives, and the hard disk capacity thereof is 16T. However, the number of the above-mentioned network hard disk drives is only an example, and the present invention is not limited. Users can modify their external number according to their needs. The storage unit 201a is mainly used for storing historical data. After the microcontroller 101 transmits the power signal to the processing unit 201b via the network, the processing unit 201b uses the historical data or algorithm to perform a calculation program for filtering the power signal. The noise or its higher harmonics, and accurately calculate the fundamental frequency of the power signal for knowing the quality of the power signal or the behavior of the power, and the historical data or algorithm used by the calculation program is synchronized with the display on the operation interface 102. After the calculation process is completed, the analysis report of the power signal is displayed on the operation interface 102, and can be simultaneously stored in the storage unit 201a and the mobile device 30, and has an application 301 and a touch screen 302, and the mobile device 30 is transparent. The application 301 is connected to the monitoring device 10 and the cloud web server 20 via the network, and the touch screen 302 synchronously presents the operation interface 102 or the analysis report to facilitate the remote monitoring of the field 40 or the electronic device 50.

The cloud web server 20 of the IoT power monitoring system 1 of the present invention is a Node.js web server, and the processing unit 201b of the database 201 of the built-in database 201 has at least six serial memories and 8T. High-speed computer with hard disk capacity to construct a cloud computing system with MongoDB distributed storage database and Hadoop parallel computing framework, which is convenient for multi-point monitoring of power signal parallel computing mechanism and multi-point monitoring power quality The establishment of the signal database system.

The algorithms used by the processing unit 201b are a Fourier algorithm and a zero-crossing point algorithm, and different analysis methods, such as Root Mean Square (RMS), Fast Fourier Transform (FFT) analysis, etc. And with Hadoop MapReduce programming to carry out the calculation program, the Fourier algorithm is the Fourier series filtering algorithm, which can filter the noise of the power signal and its higher harmonics, and the zero crossover algorithm can accurately Calculate the fundamental frequency of the power signal, and then use the fast Fourier analysis method to perform harmonic analysis to know the degree of pollution of the harmonics, in order to facilitate other purposes such as data exploration and analysis of the power supply strategy of subsequent power consumption. .

The microcontroller 101 of the IoT power monitoring system 1 of the present invention comprises a step-down module and a sensing module. The buck module is an operational amplifier such as IC-μA741, which is a differential amplifier with high voltage gain. This conventional high gain amplifier is used to make analog computers such as addition, subtraction, integration and differential operations. Therefore, it is called an operational amplifier, and the operational amplifier is a technique well known to those skilled in the art, so it will not be described here. The buck module can step down the power signal of the field 40 or the electronic device 50 and digitize the digital data through the microcontroller 101, and then transmit the real-time data value of the power to the cloud web server 20 via the network. The following processing procedure is performed by the benefit processing unit 201b.

The sensing module is a Hall sensing module, and the Hall sensing module reacts to a magnetic field generated by a current, and can measure the current without generating interference with the current and generate a current with the current. Proportional output voltage, Hall sensing module can measure AC or DC current up to ±50 A, and can provide good linearity, high stability and other advantages. Hall sensing module is a technician in this field. Well-known techniques, so I won't go into details here. The Hall sensing module of the IoT power monitoring system of the present invention is connected to a load, which may be a heater or a heat sink, such as a bulb or a fan, controlled by the microcontroller 101 to a PWM modulated driving heater or The output power of the heat sink is matched with the Hall sensing module to facilitate the change of the power signal when the field 40 or the electronic device 50 is operated, that is, the voltage and current change when the load is driven.

The analysis report obtained by the cloud web server 20 of the inventive IoT power monitoring system via the calculation program includes the sudden rise, sudden drop, interruption or harmonic interference of the power signal during the use of the field 40 or the electronic device 50. The user can also directly browse or select the analysis report to be accessed or access and update the database 201 through the touch screen 302 of the mobile device 30 after being verified by the administrator account through the network. . The scope of application of the present invention is quite extensive. The field 40 mentioned herein may be a technology factory or a livestock farm, and the electronic device 50 may be a 3C household appliance or a power box, and the historical data of the storage unit 201a may include The type 3C home appliance and one of the power supply boxes of different specifications use the safety manual, and the safety manual specifies the safety range of the power signal as a reference for the user.

Please refer to Figure 2 for the operation flow chart of the IoT power monitoring system of this creation, which can further explain the use of the IoT power monitoring system of this creation. In step 21, the user electrically connects the monitoring device to the field or electronic device (ie, the meter of the technology factory, the livestock farm, the 3C appliance or the power box mentioned above). Step 22: Turn on the power of the monitoring device, and the microcontroller of the monitoring device is connected to the processing unit of the cloud web server via the network, and displays the operation interface of the monitoring device through the screen, and selects the field to be monitored through the operation interface. Or the historical data in the database of the electronic device or the cloud web server to be consulted or the use of the security manual, which is the safety range value of the power signal such as voltage value or current value of the field or electronic device. Step 23: The microcontroller has a buck module and a Hall sensing module, and the field or electronic device steps down the instant power signal and then digitally processes the real-time power signal to the cloud web server through the network. The processing unit of the device, according to the historical data corresponding to the database or using the safety manual, and the calculation program with different algorithms and analysis methods to filter out the noise of the power signal and its higher harmonics, and The fundamental frequency of the power signal can be accurately obtained, and the degree of pollution of its harmonics can be used for other purposes such as data exploration and analysis of the power supply strategy for subsequent power usage. In addition, the user can install the application of the created IoT power monitoring system on the mobile device. When the application is opened on the mobile device, the remote device can be connected to the monitoring device to monitor the field or the electronic device. Power signal and its analysis report.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of this creation shall be included in the scope of the appended patent application.

1‧‧‧Internet of Things Power Monitoring System
10‧‧‧Monitoring device
101‧‧‧Microcontroller
102‧‧‧Operator interface
103‧‧‧ screen
20‧‧‧Cloud web server
201‧‧‧Database
201a‧‧‧ storage unit
201b‧‧‧Processing unit
30‧‧‧Mobile devices
301‧‧‧Application
302‧‧‧Touch screen
40‧‧‧ Field
50‧‧‧Electronic devices
21, 22, 23 ‧ ‧ steps

The above and other features and advantages of the present invention will become more apparent from the detailed description of the exemplary embodiments illustrated herein.

Figure 1 is a block diagram of the IoT power monitoring system of this creation.

Figure 2 is a flow chart of the operation of the IoT power monitoring system.

1‧‧‧Internet of Things Power Monitoring System

10‧‧‧Monitoring device

101‧‧‧Microcontroller

102‧‧‧Operator interface

103‧‧‧ screen

20‧‧‧Cloud web server

201‧‧‧Database

201a‧‧‧ storage unit

201b‧‧‧Processing unit

30‧‧‧Mobile devices

301‧‧‧Application

302‧‧‧Touch screen

40‧‧‧ Field

50‧‧‧Electronic devices

Claims (13)

An Internet of Things power monitoring system includes: a monitoring device having a microcontroller, an operation interface and a screen, the monitoring device being connected to a field or an electronic device through the microcontroller or the field or The power signal of the electronic device is monitored, and the operation interface is displayed through the screen, and the operation interface has an option of selectively monitoring the power signal, and the operation interface presents the field or the instant power of the electronic device a cloud web server having a database having a storage unit and a processing unit, the storage unit storing a historical data, and transmitting, by the microcontroller, the power signal to the processing unit via the network The processing unit uses the historical data or an algorithm to perform a calculation program for filtering out the noise of the power signal or its higher harmonics, and accurately calculating the fundamental frequency of the power signal to learn the The power signal quality or a power usage behavior, and the historical data or the algorithm used by the calculation program is displayed synchronously on the operation interface, when the end After the calculation process, an analysis report of the power signal is displayed on the operation interface and is simultaneously stored in the storage unit; and a mobile device having an application and a touch screen, the mobile device is transparent to the application And connecting to the monitoring device and the cloud web server via a network, and the touch screen synchronously presents the operation interface or the analysis report to facilitate remote monitoring of the field or the electronic device. The IoT power monitoring system of claim 1, wherein the microcontroller comprises a step-down module and a sensing module. The IoT power monitoring system of claim 2, wherein the step-down module is an operational amplifier for stepping down the power signal of the field or the electronic device, and then transmitting the The controller converts the analog signal of the power signal into a digital signal and transmits the signal to the cloud web server via the network, so that the processing unit performs the subsequent calculation process. The IoT power monitoring system of claim 2, wherein the sensing module is a Hall sensing module, and the Hall sensing module is connected to a load, and the load is a heater or a heat sink for controlling the heater or the heat sink by a PWM modulation, and the Hall sensing module is used to observe the change of the power signal when the field or the electronic device operates . The IoT power monitoring system of claim 1, wherein the power signal is a voltage signal or a current signal of the field or the electronic device. For example, the Internet of Things power monitoring system described in claim 1 is wherein the algorithm is a Fourier algorithm or a zero crossing point algorithm. The Internet of Things power monitoring system of claim 1, wherein the analysis report includes a sudden rise, a sudden drop, an interruption, or a harmonic interference of the power signal. The Internet of Things power monitoring system of claim 1, wherein the storage unit is a network hard disk drive. The Internet of Things power monitoring system of claim 1, wherein the processing unit is a cloud computing system. For example, the Internet of Things power monitoring system described in claim 1 is wherein the field is a technology factory or a livestock farm. The Internet of Things power monitoring system of claim 1, wherein the electronic device is a 3C home appliance or an electric meter of a power box. For example, the Internet of Things power monitoring system described in claim 11 includes the safety manual of each type of 3C household appliance and one of the power supply boxes of different specifications, and the safety manual specifies the safety range of the power signal. As a reference for users. The Internet of Things power monitoring system according to claim 1, wherein the cloud web server is accessed by the administrator web account, and the database is directly accessed by the cloud web server or the mobile device. Or update.