TWI667485B - Electric devices monitoring system and electric devices monioring method - Google Patents

Abstract

The invention provides an electronic device monitoring system. The electronic device monitoring comprises a server, a first electronic device and a first electrical characteristic identifying device. The first electrical characteristic identifying device is configured to capture a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the first electronic device in a first predetermined time interval. The first electrical characteristic identifying device transmits the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the first electronic device to the server. The server generates a first electronic device power mode according to the characteristic values. The server monitors whether the first electronic device is operating normally according to the first electronic device power mode.

Description

Electronic device monitoring system and electronic device monitoring method

The present invention relates to an electronic device monitoring system and an electronic system monitoring method, and more particularly to an electronic device monitoring system and an electronic system monitoring method that utilize power characteristic values for monitoring.

Nowadays, the number of electronic devices is increasing, and the use of electronic devices is becoming more and more difficult to grasp. Especially for household appliances, after a considerable period of use, users will ignore the operation of these appliances. However, even many smart home appliances with IoT capabilities do not have self-testing capabilities.

Therefore, how to provide a monitoring system capable of monitoring the operation of an electronic device is obviously an important issue in the industry.

In view of the above, the present invention provides an electronic device monitoring system, including: a server; a first electronic device electrically connected to a city power grid road, the city power grid circuit providing the first electronic device first a voltage and a first current, the first voltage and the first current are variable; and a first electrical characteristic identifying device communicatively communicating with the server via a first communication protocol, the first An electrical characteristic identifying device is disposed between the first electronic device and the utility grid road, and the first electrical characteristic identifying device is configured to capture the first electronic device at a first a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values in a predetermined time interval; wherein the first electrical characteristic recognition device sets the plurality of the first electronic devices Transmitting a voltage time characteristic value, the plurality of current time characteristic values, and the plurality of voltage current characteristic values to the server, the server according to the plurality of voltage time characteristic values of the first electronic device And the plurality of current time characteristic values and the plurality of voltage current characteristic values to generate a first electronic device power mode; wherein the server monitors the first mode according to the first electronic device power mode Whether an electronic device is operating normally.

In view of this, the present invention provides an electronic device monitoring method for monitoring a plurality of electronic devices disposed in a predetermined area, the electronic device monitoring method comprising: capturing a first electronic device and a second electronic device a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values; transmitting the plurality of voltage time characteristic values of the first electronic device, the plurality of current time characteristic values, and The plurality of voltage and current characteristic values, and the plurality of voltage time characteristic values of the second electronic device, the plurality of current time characteristic values, and the plurality of voltage current characteristic values to a server; The plurality of voltage time characteristic values of the first electronic device, the plurality of current time characteristic values, and the plurality of voltage current characteristic values, and the plurality of voltage time characteristics of the second electronic device a value, the plurality of current time characteristic values, and the plurality of voltage current characteristic values respectively generating a first electronic device power mode and a second electronic device power consumption Formula; and if the normal operation mode, the first electronic device and the power consumption mode of the second electronic device to monitor the first electronic device and said second electronic device in accordance with.

In summary, the present invention utilizes the electrical feature extraction device to capture the electrical mode of the electronic device of each electronic device, and monitors whether each electronic device has a running problem according to the electronic device power mode of each electronic device, thereby saving not only The cost of manual monitoring can effectively reduce the cost of electrical maintenance.

In order to make the above features and advantages of the present invention more apparent, the following is preferred. The embodiments, in conjunction with the drawings, are described in detail below.

1, 1'‧‧‧ Electronic Device Monitoring System

10‧‧‧ City Grid Road

11‧‧‧First power identification device

12A‧‧‧First electronic device

19‧‧‧Server

12B‧‧‧Second electronic device

12C‧‧‧ third electronic device

12D‧‧‧fourth electronic device

13‧‧‧Second electricity identification device

15‧‧‧ Third power identification device

17‧‧‧ Fourth power identification device

111‧‧‧Processing module

112‧‧‧Electrical feature acquisition module

113‧‧‧ Storage Module

114‧‧‧Power Module

115‧‧‧Communication Module

S110-S140‧‧‧Steps

1 is a schematic diagram of an electronic device monitoring system in accordance with an embodiment of the present invention.

2 is another schematic diagram of an electronic device monitoring system in accordance with an embodiment of the present invention.

3 is another schematic diagram of an electronic device monitoring system in accordance with an embodiment of the present invention.

4A is a schematic diagram of a first electrical characteristic recognition apparatus according to an embodiment of the present invention.

4B is another schematic diagram of a first electrical characteristic recognition apparatus according to an embodiment of the present invention.

FIG. 5 is a flowchart of a method for monitoring an electronic device according to an embodiment of the present invention.

Various illustrative embodiments are described more fully hereinafter with reference to the accompanying drawings. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. Rather, these exemplary embodiments are provided so that this invention will be in the In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Similar numbers always indicate similar components.

It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, such elements are not limited by the terms. These terms are used to distinguish one element from another. Thus, a first element discussed below could be termed a second element without departing from the teachings of the inventive concept. As used herein, the term "and/or" includes any of the associated listed items and all combinations of one or more.

The electronic device monitoring system will be described below with reference to the drawings in at least one embodiment. However, the following embodiments are not intended to limit the disclosure. In the following description, an electronic component having two or more end points, if there is a special mark, is described by a foot mark as its foot position. If there is no special mark, the two-point point electronic component is disposed laterally to the left end point. For the first end, the right end is the second end. If the electronic components at both ends are vertically disposed, the upper end is the first end and the lower end is the second end. end.

[Embodiment of Electronic Device Monitoring System and Electronic Device Monitoring Method of the Present Invention]

Please refer to FIG. 1. FIG. 1 is a schematic diagram of a signal transmission system according to an embodiment of the present invention.

In the embodiment, the electronic device monitoring system 1 includes a first electrical characteristic identifying device 11, a first electronic device 12A, and a server 19.

The first electronic device 12A is electrically connected to a city power grid road 10. The utility grid circuit 10 provides a first voltage and a first current for the first electronic device 12A. The first voltage and the first current are variable. The first voltage and the first current are an alternating current voltage and an alternating current, respectively. Since the voltage and current of the first electronic device 12A are not fixed, and the first voltage and the first current are changed due to load changes or mode changes, the first voltage and the first current are variable. of. In the present embodiment, the utility grid circuit 10 provides an alternating voltage to the first electronic device 12A.

The first electrical characteristic identifying device 11 is disposed between the first electronic device 12A and the utility grid road 10. That is, the first electric characteristic recognition device 11 is provided at one end of the power supply wire at which the first electronic device 12A obtains power.

The first electrical characteristic identifying device 11 is configured to capture a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the first electronic device 12A in a first predetermined time interval. That is, the first electrical characteristic identifying device 11 captures characteristic values of all voltage currents within the first predetermined time interval after the first electronic device 12A is connected to the mains grid, for example, 10 minutes or 20 minutes. In this embodiment, the first predetermined time interval may be different according to the difference of the electronic device, and the present invention is not limited.

Furthermore, the first electrical characteristic recognition device 11 is in communication connection with the server 19 via the first communication protocol. That is, the first electrical characteristic identifying means 11 transmits a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the first electronic device 12A to the server 19.

In this embodiment, the voltage time characteristic value, the current time characteristic, and the voltage current characteristic value include a voltage maximum value, a voltage minimum value, a voltage average value, a current maximum value, a current minimum value, and a current average value. The number of glitch, voltage and current changes under different loads, voltage and current changes during load switching, etc. In the present invention, the electrical characteristic characteristic value of the electronic device can be adjusted and designed according to actual needs, and is not limited in the present invention.

Next, the server 19 generates a first electronic device power mode according to the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the first electronic device 12A. In this embodiment, the first electronic device power mode can be represented by a graphic or a set of numerical values, and also represents various parameters of the first electronic device 12A during normal operation.

Then, the server 19 monitors whether the first electronic device 112A is operating normally according to the first electronic device power mode.

Since the first electrical characteristic recognition device 11 continuously records and captures the electrical characteristic value of the first electronic device 12A, and continuously transmits the recorded and extracted electrical characteristic value of the first electronic device 12A to the servo. 19. The server 19 can continuously compare whether the electrical characteristics of the first electronic device 12A are different at different time points. If there is a significant difference, the server 19 can provide the abnormal report of the first electronic device 12A to the user through the network. To inform the user that the first electronic device 12A may have some error conditions.

In this embodiment, the number of the electrical feature recognition devices can be adjusted according to actual needs, and is not limited in the present invention. The number of electronic devices can also be adjusted according to actual needs, and is not limited in the present invention.

In this embodiment, the first electronic device 12A includes a refrigerator, a television, a washing machine, a hair dryer, a charger, a notebook computer, a desktop computer, an LED light fixture, etc., that is, the first The electronic device 12A is not limited to any type of electronic device in the present invention, and is not limited in the present invention.

Please refer to FIG. 2. FIG. 2 is another schematic diagram of an electronic device monitoring system according to an embodiment of the present invention.

In FIG. 2, the electronic device monitoring system 1 includes a second electronic device 12B, a third electronic device 12C, and a fourth electronic device 12D in addition to the first electronic device 12A. The second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D are electrically connected to the city grid path 10 through the first electrical characteristic identification device 11.

In this embodiment, the first electrical characteristic identification device 11 can capture the electrical characteristic value of the first electronic device 12A, and can also retrieve the electrical characteristic value of the second electronic device 12B.

That is, the first electrical characteristic identifying device 11 can capture a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the second electronic device 12B in a second predetermined time interval, The third electronic device 12C has a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values in a third predetermined time interval, and the fourth electronic device 12D is in a fourth predetermined time interval. A plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values.

The first electrical characteristic identifying device 11 also has a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D. Transfer to the server 19.

The server 19 generates a second electronic device power mode according to the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the second electronic device 12B.

In this embodiment, the voltage time characteristic value, the current time characteristic, and the voltage current characteristic value include a voltage maximum value, a voltage minimum value, a voltage average value, a current maximum value, a current minimum value, and a current average value. The number of glitch, voltage and current changes under different loads, voltage and current changes during load switching, etc. In the present invention, the electrical characteristic characteristic value of the electronic device can be adjusted and designed according to actual needs, and is not limited in the present invention.

Then, the server 19 is based on the second electronic device 12B and the third electronic device. 12C, the plurality of voltage time characteristic values of the fourth electronic device 12D, the plurality of current time characteristic values, and the plurality of voltage current characteristic values respectively generating a second electronic device power mode, a third electronic device power mode, And a fourth electronic device power mode. In this embodiment, the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode may be represented by a graphic or a set of numerical values, and also represents The parameters of each of the electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D during normal operation.

In this embodiment, the server 19 can also convert the frequency characteristic of the voltage to the frequency, the spectrum analysis of the current to the frequency, or the multi-dimensionality of the voltage and the current to the frequency according to the received characteristic values of the first electronic device 12A. Spectrum analysis. It can be adjusted and designed according to actual needs, and is not limited in the present invention.

In this embodiment, the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode may also be based on a plurality of voltage-to-frequency spectrum analysis. A plurality of current frequency characteristic values in a frequency-frequency characteristic value, a current-to-frequency spectrum analysis, or a plurality of voltage-current frequency characteristic values in a multi-dimensional spectrum analysis of voltage and current versus frequency.

That is, the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode may be based on the first electronic device 12A, the second electronic device 12B, and the a plurality of voltage time characteristic values of the three electronic devices 12C, the fourth electronic device 12D, a plurality of current time characteristic values, a plurality of voltage current characteristic values, a plurality of voltage frequency characteristic values, a plurality of current frequency characteristic values, and a plurality of voltages The current frequency characteristic value is determined.

In other embodiments, the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode may be according to the first electronic device 12A and the second electronic device 12B. a plurality of voltage time characteristic values, a plurality of current time characteristic values, a plurality of voltage current characteristic values, a plurality of voltage frequency characteristic values, and a plurality of current frequency characteristic values of the third electronic device 12C, the fourth electronic device 12D, And one of the plurality of voltage and current frequency characteristic values or a combination of the previously described characteristic values is determined, and is not limited in the present invention.

The server 19 monitors the first electronic device 12A and the second electronic device 12B according to the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode. Whether the third electronic device 12C and the fourth electronic device 12D are operating normally.

Since the first electrical characteristic recognition device 11 continuously records and captures the electrical characteristic values of the first electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D, and will continue to The stored characteristic values of the first electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D that are recorded and captured are transmitted to the server 19. The server 19 can continuously compare whether the electrical characteristics of the first electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D are different at different time points, if there is a significant difference, The server 19 can provide an abnormality report of the first electronic device 12A, the second electronic device 12B, the third electronic device 12C, or the fourth electronic device 12D to the user through the network to notify the user that the first electronic device 12A The second electronic device 12B, the third electronic device 12C, or the fourth electronic device 12D may have some error conditions.

Please refer to FIG. 3. FIG. 3 is another schematic diagram of an electronic device monitoring system according to an embodiment of the present invention.

In this embodiment, the electronic device monitoring system 1' includes a first electrical characteristic identifying device 11, a second electrical characteristic identifying device 13, a third electrical characteristic identifying device 15, and a fourth electrical characteristic identification. The device 17, a first electronic device 12A, a second electronic device 12B, a third electronic device 12C, and a fourth electronic device 12D.

The first electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D respectively pass the first electrical characteristic identifying device 11, the second electrical characteristic identifying device 13, and the third power The feature recognition device 15 and the fourth electrical feature recognition device 17 are electrically connected to the city grid road 10. The utility grid circuit 10 provides a first voltage and a first current to the first electronic device 12A. City Grid Road 10 is provided to the second The electronic device 12B has a second voltage and a second current. The utility grid circuit 10 provides a third voltage and a third current to the third electronic device 12C. The city grid circuit 10 provides a fourth voltage and a fourth current to the fourth electronic device 12D. The first voltage, the first current, the second voltage, the second current, the third voltage, the third current, the fourth voltage, and the fourth current are all variable.

In this embodiment, the first electrical characteristic identifying device 11, the second electrical characteristic identifying device 13, the third electrical characteristic identifying device 15, and the fourth electrical characteristic identifying device 17 respectively pass a first communication protocol, A second communication protocol, a third communication protocol, and a fourth communication protocol are in communication with the server 19. The first communication protocol, the second communication protocol, the third communication protocol, and the fourth communication protocol may be the same communication protocol or different communication protocols, and are not limited in the present invention. In this embodiment, the first communication protocol, the second communication protocol, the third communication protocol, and the fourth communication protocol respectively include: a Bluetooth communication protocol, a Zigbee communication protocol, a LoRa communication protocol, and a Sigfox communication. Agreement, a wireless fidelity communication protocol (WiFi), a fourth-generation mobile communication technology communication protocol (4G), a fifth-generation mobile communication technology communication protocol (5G), which can be adjusted according to actual needs, in the present invention No restrictions are imposed.

The first electrical characteristic identifying device 11, the second electrical characteristic identifying device 13, the third electrical characteristic identifying device 15, and the fourth electrical characteristic identifying device 17 are respectively disposed on the first electronic device 12A and the second electronic device. 12B, between the third electronic device 12C, and the fourth electronic device 12D and the city grid road 10.

The first electrical characteristic identifying device 11, the second electrical characteristic identifying device 13, the third electrical characteristic identifying device 15, and the fourth electrical characteristic identifying device 17 are respectively used for capturing the first electronic device 12A and the second electronic device. The plurality of voltage time characteristic values of the device 12B, the third electronic device 12C, and the fourth electronic device 12D in the first predetermined time interval, the second predetermined time interval, the third predetermined time interval, and the fourth predetermined time interval, respectively Current time characteristic values, and multiple voltage current characteristic values.

The first electrical characteristic identifying device 11, the second electrical characteristic identifying device 13, the third electrical characteristic identifying device 15, and the fourth electrical characteristic identifying device 17 respectively respectively the first electronic device 12A, the second electronic device 12B, The plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the third electronic device 12C and the fourth electronic device 12D are transmitted to the server 19. The server 19 has a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values according to the first electronic device 12A, the second electronic device 12B, the third electronic device 12C, and the fourth electronic device 12D. A first electronic device power mode, a second electronic device power mode, a third electronic device power mode, and a fourth electronic device power mode are respectively generated.

The server 19 monitors the first electronic device 12A and the second electronic device 12B according to the first electronic device power mode, the second electronic device power mode, the third electronic device power mode, and the fourth electronic device power mode. Whether the third electronic device 12C and the fourth electronic device 12D are operating normally.

Referring to FIG. 4A and FIG. 4B, FIG. 4A is a schematic diagram of a first electrical characteristic recognition apparatus according to an embodiment of the present invention. 4B is another schematic diagram of a first electrical characteristic recognition apparatus according to an embodiment of the present invention. The following is only the first electrical characteristic identification device 11 as an example. The structure and function of the other electrical characteristic identification device are the same as those of the first electrical characteristic identification device 11, and are not described herein.

In this embodiment, the first power feature recognition device 11 includes a processing module 111, a power feature capture module 112, a storage module 113, a power module 114, and a communication module 115.

The processing module 111 is electrically connected to the power feature capturing module 112, the storage module 113, the power module 114, and the communication module 115.

The power feature capture module 11 is electrically connected to the processing module for capturing a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltages of the connected one or more electronic devices Current characteristic value.

The power module 114 is configured to convert an external voltage to an internal voltage, and provide an internal voltage to the processing module 111, the storage module 113, and the power feature capture module 112; The processing module 111 provides a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the connected one or more electronic devices to the server 19 through the communication module 115.

In the present embodiment, as shown in FIG. 4B, the first feature recognition device 11 is a pluggable socket unit. In other embodiments, the first feature identification device 11 can be designed in other types, for example, a control switch disposed in the main switch of the power circuit, which can be adjusted and designed according to actual needs, and is not limited in the present invention.

Please refer to FIG. 5. FIG. 5 is a flowchart of a method for monitoring an electronic device according to an embodiment of the present invention.

The electronic device monitoring method in this embodiment is applicable to the electronic device monitoring system described above. Therefore, the structure and function of the related device described above are not described in this embodiment. Further, the electronic device monitoring method of the present embodiment is adapted to monitor a plurality of electronic devices disposed in a predetermined area (not shown), that is, in a predetermined area having the same power circuit.

In this embodiment, the electronic device monitoring method includes the following steps: capturing a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of a first electronic device and a second electronic device ( Step S110): transmitting a plurality of voltage time characteristic values of the first electronic device, a plurality of current time characteristic values, and a plurality of voltage current characteristic values, and a plurality of voltage time characteristic values of the second electronic device, and a plurality of current time characteristics a value, and a plurality of voltage and current characteristic values to a server (step S120); a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values according to the first electronic device, and the second electron Multiple voltage time characteristic values, multiple current time characteristic values, and multiple voltage current characteristic values of the device Do not generate a first electronic device power mode and a second electronic device power mode (step S130); and monitor the first electronic device and the second electronic device according to the first electronic device power mode and the second electronic device power mode Whether the device is operating normally (step S140).

In step S110, a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristics of the first electronic device and the second electronic device are captured by the first first electrical feature extraction device 11 a plurality of voltage time characteristic values and a plurality of current time characteristic values of the first electronic device and the second electronic device are respectively captured by the first electrical feature extraction device 11 and the second electrical feature extraction device 13 And multiple voltage and current characteristic values.

In step S120, if a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristic values of the first electronic device and the second electronic device are captured by the first first electrical feature extraction device 11 The first power feature extraction device 11 communicates with the server 19 via a first communication protocol to transfer data.

The plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of first electronic devices and the second electronic device are respectively captured by the first electrical feature extraction device 11 and the second electrical feature extraction device 13 For the voltage and current characteristic values, the first power consumption feature extraction device 11 and the second power consumption feature extraction device 13 respectively communicate with the server 19 via a first communication protocol and a second communication protocol to transmit data.

In step S130, the server 19 generates a first electronic device power mode according to the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the first electronic device and the second electronic device. And a second electronic device power mode, and an electronic device power mode database is established. The first electronic device power mode and the second electronic device power mode are stored in the electronic device power mode database.

In step S140, since the power feature recognition device continuously records and captures the power feature values of the first electronic device 12A and the second electronic device 12B, and continuously records the captured and captured first electronic device 12A. The power feature value of the second electronic device 12B is transmitted to the server 19. The server 19 can continuously compare whether the first electronic device 12A and the second electronic device 12B have different power consumption characteristics at different time points. If there is a significant difference, the server 19 can provide the first electronic device 12A through the network. The abnormality of the second electronic device 12B is reported to the user to notify the user that the first electronic device 12A and the second electronic device 12B may have some error conditions. That is, the server 19 can continue to receive the first electronic device power consumption value of the first electronic device 12A and the second electronic device 12B and the first electronic device power mode stored in the electronic device power mode database, and the second electronic device. The electricity mode is used for comparison, and the comparison result is obtained to notify the user.

In addition, the electronic device power mode database further stores electronic device names and models corresponding to the first electronic device 12A and the second electronic device 12B.

[Possible effects of the examples]

In summary, the present invention utilizes the electrical feature extraction device to capture the electrical mode of the electronic device of each electronic device, and monitors whether each electronic device has a running problem according to the electronic device power mode of each electronic device, thereby saving not only The cost of manual monitoring can effectively reduce the cost of electrical maintenance.

The above is only an embodiment of the present invention, and is not intended to limit the scope of the invention.

Claims (9)

An electronic device monitoring system includes: a server; a first electronic device electrically connected to a city grid circuit, the city grid circuit providing a first voltage and a first current of the first electronic device The first voltage and the first current are variable; and a first electrical characteristic identifying device is communicably connected to the server through a first communication protocol, and the first electrical characteristic identifying device is disposed at Between the first electronic device and the utility grid, the first electrical characteristic identifying device is configured to capture a plurality of voltage time characteristic values of the first electronic device in a first predetermined time interval, a plurality of current time characteristic values and a plurality of voltage current characteristic values; wherein the first electrical characteristic identifying means sets the plurality of voltage time characteristic values of the first electronic device, the plurality of current time characteristics a value, and the plurality of voltage current characteristic values are transmitted to the server, the server according to the plurality of voltage time characteristic values of the first electronic device, the plurality of current time characteristic values And the plurality of voltage and current characteristic values, generating a first electronic device power mode; wherein the server monitors whether the first electronic device is in normal operation according to the first electronic device power mode; The server continuously records the plurality of voltage time characteristic values, the plurality of current time characteristic values, the plurality of voltage current characteristic values of the first electronic device, and the plurality of time points at different time points The voltage time characteristic value, the plurality of current time characteristic values, the plurality of voltage current characteristic values are compared with the first electronic device power mode to determine whether the first electronic device is operating normally. The electronic device monitoring system of claim 1, further comprising: a second electronic device electrically connected to the utility grid road by the first electrical characteristic identification device; The first electrical characteristic identifying device is configured to capture a plurality of voltage time characteristic values, a plurality of current time characteristic values, and a plurality of voltage current characteristics of the second electronic device in a second predetermined time interval. a value, the first electrical characteristic identifying device transmitting the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the second electronic device to the a server, configured to generate a second electronic device according to the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values of the second electronic device An electrical mode; wherein the server monitors whether the second electronic device is operating normally according to the second electronic device power mode. The electronic device monitoring system of claim 1, further comprising: a second electronic device electrically connected to the utility grid road, wherein the utility grid provides a second voltage and a second voltage of the second electronic device a second current, the second voltage and the second current are variable; and a second electrical characteristic identifying device, communicatively coupled to the server via a second communication protocol, the second An electrical characteristic identifying device is disposed between the second electronic device and the utility grid, and the second electrical characteristic identifying device is configured to capture the second electronic device in a second predetermined time interval. a voltage time characteristic value, a plurality of current time characteristic values, and a plurality of voltage current characteristic values; wherein the second electrical characteristic identifying means sets the plurality of voltage time characteristic values of the second electronic device Transmitting a plurality of current time characteristic values and the plurality of voltage current characteristic values to the server, the server according to the plurality of voltage time characteristic values of the second electronic device, the plurality of electricity Generating a second electronic device power mode according to the flow time characteristic value and the plurality of voltage current characteristic values; wherein the server monitors whether the second electronic device is in normal operation according to the second electronic device power mode . The electronic device monitoring system of claim 1, wherein the first electrical characteristic identifying device comprises: a processing module; a storage module electrically connected to the processing module; and a communication module Electrically connecting the processing module; an electrical feature capturing module electrically connected to the processing module for capturing a plurality of voltage time characteristic values and a plurality of current time characteristics of the first electronic device And a plurality of voltage and current characteristic values; and a power module electrically connected to the processing module for converting an external voltage to an internal voltage, and providing the internal voltage to the processing module and the The storage module and the power consumption feature capture module, wherein the processing module provides a plurality of voltage time characteristic values, a plurality of current time feature values of the first electronic device, and And a plurality of voltage and current characteristic values to the server; wherein the server continuously compares whether the various electrical characteristic values of the first electronic device at different time points are different, and if there is a significant difference, Servo The device provides an abnormal report of the first electronic device to the user through a network to notify the user. The electronic device monitoring system of claim 4, wherein the first feature identification device is a pluggable socket unit. An electronic device monitoring method for monitoring a plurality of electronic devices disposed in a predetermined area, the electronic device monitoring method comprising: capturing a plurality of voltage time characteristic values of a first electronic device and a second electronic device, a plurality of current time characteristic values, and a plurality of voltage current characteristic values; transmitting the plurality of voltage time characteristic values of the first electronic device, the plurality of current time characteristic values, and the plurality of voltage current characteristic values And the second electricity The plurality of voltage time characteristic values of the sub-device, the plurality of current time characteristic values, and the plurality of voltage current characteristic values to a server; according to the plurality of voltage time characteristics of the first electronic device a value, the plurality of current time characteristic values, and the plurality of voltage current characteristic values, and the plurality of voltage time characteristic values of the second electronic device, the plurality of current time characteristic values, and the The plurality of voltage and current characteristic values respectively generate a first electronic device power mode and a second electronic device power mode; and monitoring the power according to the first electronic device power mode and the second electronic device power mode Whether the first electronic device and the second electronic device are in normal operation; wherein the server continuously records the plurality of voltage time characteristic values of the first electronic device and the second electronic device, the plurality of a current time characteristic value, the and a plurality of voltage current characteristic values, and the plurality of voltages of the first electronic device and the second electronic device at different time points The feature value, the plurality of current time characteristic values, the plurality of voltage current characteristic values are compared with the first electronic device power mode and the second electronic device power mode to determine the first Whether the electronic device and the second electronic device are operating normally. The electronic device monitoring method of claim 6, wherein the first electronic device is electrically connected to a city power grid road, and the power grid circuit provides the first electronic device with a first voltage and a first Current, the first voltage and the first current are variable; wherein the first electrical characteristic identifying device is communicatively coupled to the server via a first communication protocol, the first electrical characteristic identifying device Between the first electronic device and the utility grid, the first electrical characteristic identifying device is configured to capture a plurality of voltage time characteristics of the first electronic device in a first predetermined time interval a value, a plurality of current time characteristic values, and a plurality of voltage current characteristic values; wherein the first electrical characteristic identifying means sets the plurality of voltage time characteristic values of the first electronic device, the plurality of currents a time characteristic value, and the plurality of voltage current characteristic values are transmitted to the server, the server according to the first electron Generating, by the plurality of voltage time characteristic values, the plurality of current time characteristic values, and the plurality of voltage current characteristic values, a first electronic device power mode; wherein the servers are continuously compared respectively Whether the first electronic device and the second electronic device have different electrical characteristic values at different time points, and if there is a significant difference, the server provides the first electronic device or the A respective exception of the second electronic device is reported to the user to notify the user. The electronic device monitoring method of claim 7, wherein the server comprises: an electronic device power mode database, the first electronic device power mode and the second electronic device power mode storage In the electrical mode library of the electronic device. The electronic device monitoring method of claim 8, wherein the electronic device electrical model database further stores an electronic device name and a model corresponding to the first electronic device.