TWI510792B - Method and system for examining electrical appliance - Google Patents

Description

Electrical equipment testing method and system

The invention relates to a method and system for detecting electrical equipment, in particular to a method and system for obtaining electrical information and detecting the condition of the electrical equipment.

Generally, electrical equipment can maintain the performance required by the original design, and even have the effect of saving electricity. However, as the electronic components are used for a period of time, the electrical equipment will gradually lose the original design efficiency, and also consumes electricity. The problem of electricity. However, the average user cannot accurately perceive these energy consumption phenomena.

However, the user may use a voltmeter or ammeter to detect the electrical equipment, and use the electrical equipment to obtain the output voltage or current signal. However, this method does not allow the general user to easily know the problem of the electrical equipment.

A conventional power monitoring device for identifying an electrical state disclosed in the Republic of China Patent No. I423549 and a power monitoring method thereof, wherein a power monitoring device is proposed, which can obtain a change in power consumption characteristics of the electrical appliance, thereby recording the power consumption situation thereof. Then, through the comparison of an electrical feature database, it is known whether the electrical appliance is more efficient than other identical electrical appliances or other electrical appliances having the same function to achieve energy saving effects.

Different from the conventional technology for directly measuring the power consumption characteristics of an electrical appliance to determine the operational efficiency by comparing other identical electrical appliances, the present invention provides an electrical device detection method. And the system, wherein the identification information of each electrical appliance is first set according to the electrical information of each electrical appliance for a period of time, and then the electrical information of each electrical appliance is obtained through a power socket, and then the state of the electrical appliance is determined.

According to the embodiment of the disclosure, in the electrical device detecting method, the related detecting system receives the electrical information of one or more electrical devices connected by an electrical connecting device, and records the electrical information of the electrical device with the memory, and then The electrical identification information of each electrical device recorded in the database is compared to obtain an electrical signal change of each electrical device. The electrical signal changes of these electrical equipments can be used to detect the condition of electrical equipment and determine whether there are any problems such as wear and tear, power consumption, potential hazards, etc., so that users can judge whether to repair or replace electrical equipment with excessive power consumption or danger. .

According to still another embodiment, the manner in which the electrical information generated by each electrical device is obtained from the electrical connection device includes entering the active detection mode and entering the passive sensing mode.

In the active detection mode, the detection system sends a detection carrier to each electrical device through the electrical connection device, and then receives the wave information fed back by each electrical device through the electrical connection device, which is electrical information reflecting the condition of each electrical device.

In the passive sensing mode, the detection system directly obtains the electrical signal of the electrical device directly through the electrical connection device, thereby comparing the records in the database to determine the condition of the electrical device.

Then, the detection data reflecting the condition of each electrical device is transmitted to an electronic device through a connection means, and the electronic device generates a report based on the detected data. According to the detection data, the electrical connection device can be controlled (for example, power-off or current-limiting) through a control unit as a measure for protection and energy saving.

In an embodiment of the electrical equipment detection system, the system includes a control unit for processing signals of the circuit units in the electrical equipment detection system, and a plurality of circuit units electrically connected to the control unit, including a power signal interface unit for self- An electrical connection device receives electrical information of the connected electrical device; a memory unit for storing electrical information received from the power signal interface unit; and a database unit for Recording electrical information of one or more electrical equipment over a period of time, wherein the signal characteristics of the electrical information obtained during the time period can be set as electrical identification information of each electrical appliance; and a data processing unit for comparing the database unit The electrical identification information of one or more electrical devices is obtained by the electrical signal of each electrical device; a detection data generating unit is configured to generate a detection data according to the electrical signal change of each electrical device; and a communication unit The detection data is output to an electronic device, including a mobile device, a non-volatile memory device, or a computer device, and can be changed by an electrical signal of each electrical device to detect the condition of the electrical device.

In order to further understand the technology, method and effect of the present invention in order to achieve the intended purpose, reference should be made to the detailed description and drawings of the present invention. The drawings and the annexed drawings are intended to be illustrative and not to limit the invention.

12‧‧‧Electrical connection device

10‧‧‧Detection system

101‧‧‧Mobile devices

103‧‧‧ memory card

105‧‧‧Computer equipment

121, 123, 125‧‧‧ electrical equipment

22‧‧‧Electronic devices

24‧‧‧Electrical connection device

20‧‧‧Detection system

201‧‧‧Control unit

202‧‧‧ memory unit

203‧‧‧Database unit

204‧‧‧Power Signal Interface Unit

205‧‧‧Data Processing Unit

206‧‧‧Detection data generation unit

207‧‧‧Communication unit

P‧‧‧ pulse width

Step S301~S307‧‧‧Procedures for establishing electrical equipment identification information

Step S401~S413‧‧‧ Flow of electrical equipment testing method

Step S501~S509‧‧‧Process of electrical equipment testing method

Step S601~S611‧‧‧ The process of implementing the corresponding measures

Step S701~S719‧‧‧ Electrical equipment testing method flow

1 is a schematic block diagram showing an embodiment of an electrical device detecting system of the present invention; FIG. 2 is a functional block diagram showing an embodiment of an electrical device detecting system of the present invention; and FIG. 3 is a view showing an embodiment of a method for establishing electrical device identifying information in an electrical device detecting method of the present invention; 4 is a flow chart of a method for detecting an electrical device of the present invention; FIG. 5 is a second embodiment of a flow of a method for detecting an electrical device of the present invention; FIG. FIG. 7 illustrates an embodiment of the method for detecting an electrical device of the present invention; FIG. 8 is an example of detecting a carrier; FIG. 9 is an example of a characteristic waveform; FIG. 10 is a second example of a characteristic waveform.

The invention provides an electrical equipment detecting system, in particular to a detecting device, which is electrically connected to a power socket of a plug-in electrical device, can send a detection signal through a power socket, and receive an electrical signal fed back from the electrical appliance, and first identify each electrical signal through the electrical signal. The electrical appliance, and the state of the electrical appliance detected according to the change of the electrical signal for a period of time, the method of detecting the electrical equipment performed by the system is a method flow for detecting the condition of the electrical appliance through the obtained electrical information.

The electrical equipment detection system of the present invention can be referred to the schematic diagram of the system architecture embodiment shown in FIG.

The figure shows an electrical connection device 12, such as a wall-mounted or extended power socket, which includes one or more power sockets, which can be connected to various electrical appliances 121, 123, 125, and general household appliances such as dehumidifiers and electric fans. , TV, etc. Each type of electrical equipment, even the same electrical appliance, will have differences in the performance of electrical signals. These differences are also the basis for identifying the electrical equipment by the electrical equipment detection system of the present invention. By typing the identification information of each appliance, it is also possible to automatically identify each electrical appliance according to the characteristics of the electrical signal, and automatically establish a database corresponding to each electrical appliance as a means of identifying and detecting the operational status of the electrical appliance. The database records electrical information of one or more electrical devices received through the electrical connection device for a period of time. The signal characteristics of the electrical information during the period include signal trend, average signal, time domain response, and frequency response. Etc., it can be set as the electrical identification information of each electrical device.

In this example, the detection system 10 is electrically connected to the electrical connection device 12, and the detection system 10 provides measures for connecting various terminal devices (such as the mobile device 101 and the computer device 105), such as wired or wireless connection with various terminal devices. The near-end connection does not preclude the ability to provide remote connections.

The terminal device of the detection system 10 connected to the diagram has a mobile device 101, such as a mobile phone, a tablet computer, etc., which can be installed with software corresponding to the data generated by the detection system 10, such as a common mobile software APP, through software or inside. build The function establishes a connection with the detection system 10, and can receive information generated by the detection system 10, for example, the detection system 10 determines the status of each electrical connection device 12 and the status of the electrical device.

The user can also use the external non-volatile memory device such as the memory card 103 to plug in the card reading device provided by the detection system 10, and can directly download the information generated by the detection system 10, and then can be read by other computer devices. The computer device 105 can also be connected to the detection system 10 by wire or wirelessly, such as a desktop or a notebook computer, and can obtain electrical information of the electrical device through the specific software or the web browser from the detection system 10.

For an implementation of the above electrical device detection system, reference may be made to the functional block diagram of the embodiment shown in FIG. 2.

The figure shows an electrical device detection system, referred to as the detection system 20, which may be a computer device disposed on one side of the electrical connection device 24, or may be integrated into a power socket, or may be connected to a site at the same time. A computer device of the electrical connection device 24. One end of the detecting system 20 is electrically connected to one or more electrical connecting devices 24 through the power signal interface unit 204, such as a power line connected to the electrical device, and the connecting device 24 can transmit the detecting signal to the connected plurality of electrical devices through the electrical connecting device 24. The electrical signals generated by the electrical connection devices 24 can also be obtained at any time by the device.

One end of the detecting system 20 is connected to the electronic device 22 through the communication unit 207 in a wired or wireless manner. The communication unit 207 can be a circuit for executing a specific wireless or wired network communication protocol. The electronic device 22 can be used as various terminal devices shown in FIG. The operating electronics 22 captures the information generated by the detection system 20.

The detecting system 20 is a computer device with independent operation and independent power management mechanism, wherein a control unit 201 for processing signals of each circuit unit in the detecting system 20 is provided, and each circuit unit for performing a specific function is electrically connected, and the main circuit unit is There are a memory unit 202, a database unit 203, a power signal interface unit 204, a data processing unit 205, a detection data generating unit 206, a communication unit 207, and the like.

In the electrical equipment detecting system 20, one or more electrical appliances are connected as described above. The power signal interface unit 204 of the connection device 24 can receive electrical information of one or more electrical devices connected to the electrical connection device 24 from the electrical connection device 24; the detection system 20 generates a detection signal by the control unit 201, and can transmit the power signal. The interface unit 204 transmits and transmits to the connected electrical devices via the electrical connection device 24, and then can record the signals fed back by the electrical devices by the same path. After a period of recording, the signal relationship before and after becomes a specific electrical device. The basis for this has also become the basis for detecting the condition of electrical appliances.

The detection system 20 is provided with a memory unit 202, which is a memory of the system, and can be used to store electrical information received from the power signal interface unit 204, and can also be a storage medium for storing necessary operating programs and software programs for the entire system.

The detection system 20 is provided with a database unit 203 for recording electrical information of one or more electrical devices over a period of time. The signal characteristics of the electrical information form a basis for identifying the electrical devices. According to one embodiment, the database unit 203 is also stored in a memory, for example, a system automatically establishes a lookup table for comparing specific electrical devices according to signal characteristics, wherein multiple electrical information compared by multiple electrical devices is recorded. Data, wherein the data is also the basis for the system to detect the status of the electrical equipment by comparing the electrical information generated by each electrical device. It is worth mentioning that the signal characteristics of the above electrical information are, for example, a signal average value of a period of electrical information, a pattern formed by a signal trend, etc., and these characteristics can be set as electrical identification information of each electrical device.

The detection system 20 is further provided with a data processing unit 205 for data processing, and an electrical connection control unit 201 for comparing the instantaneously received electrical information and database unit 203. The information recorded in this can be used to detect the condition of the electrical equipment.

When the detection system 20 receives the electrical information of one or more electrical devices from the electrical connection device 24, it will first compare the data of the database unit 203 to determine whether the electrical information corresponds to a specific electrical device. If not, a new one will be established first. Items that are numbered or modified to be identifiable by the user. If there is a pair The electrical equipment should be compared with the information received immediately and the electrical identification information of one or more electrical equipment recorded in the database unit 203, and the electrical signals of the electrical appliances are changed, and the electrical signals are changed through the electrical signals of the electrical appliances. Equipment conditions, these changes may reflect changes in electrical equipment.

Then, the comparison information can be generated by the in-system detection data generating unit 206. The detection data generating unit 206 generates a detection data according to the electrical signal change of each electrical device, and then outputs the detection data to the electronic device 22 by the communication unit 207. The communication unit 207 transmits the electrical signal of each electrical device to a mobile device, a non-volatile memory device or a computer device through a connection means.

When the electrical equipment detecting system and the electrical connecting device are connected to the electrical connection device, the electrical device detecting system can obtain the electrical information of the connected electrical device from the electrical connecting device. In particular, the electrical equipment detection system can automatically establish identification information identifying each electrical equipment according to the received electrical signal characteristics, and the related process is as shown in FIG. 3, wherein the electrical equipment is established in the electrical equipment detection method of the present invention. An embodiment of a method of identifying information.

Beginning in step S301, the electrical equipment detecting system receives the electrical information transmitted by each electrical equipment through the electrical connecting device, and then records the phase, time, voltage and current information of the wave signal by using the internal memory of the system, and obtains the electrical signals through the electrical signals according to step S303. The electrical impedance can form electrical identification information of the electrical device, as in step S305. For example, each electrical device generates different electrical signals due to the difference in the overall formation of the electronic components. When the system obtains these electrical signals, an identification image can be recorded, by which the image can be used to identify each electrical device. device. When the system repeatedly receives electrical signals from the same electrical device, the signal characteristics of an electrical device can be obtained after a period of statistics, such as an image. Thereby, a comparison database is formed, as in step S307.

Then, the electrical equipment detection system can start detecting the condition of the electrical equipment according to the constructed comparison database, and the comparison detection method includes an active detection mode or a passive sensing mode.

One of the embodiments describes the flow of the method for detecting an electrical device of the present invention as shown in FIG.

Beginning in step S401, the system enters an active detection mode. In this mode, the control circuit in the electrical device detection system generates a detection signal, such as a carrier wave, and then, via step S403, via the power signal interface of the detection system, through the electrical connection. The device sends a detection carrier to each electrical device. When the electrical device receives the detection carrier, it will feed back a signal. In step S405, the electrical device detection system then receives the feedback wave via the electrical connection device, and the wave device will Reflecting the impedance information of the electrical equipment, it can become information to identify the electrical equipment. Related embodiments can be seen in Figures 8, 9, and 10 and related descriptions.

Then, in step S407, the electrical equipment detecting system compares the signal fed back by the electrical equipment with the electrical information in the database, and if the received signal does not meet the electrical identification information contained in any of the databases, It can be judged that the electrical equipment is newly added; if it meets the electrical identification information in a database, it is judged to be the same electrical equipment, and the detection is performed according to the front and rear signals, and the database is simultaneously recorded and updated, as in step S409.

After comparing with the previous electrical identification information of each electrical device recorded in the database, the electrical signal change record comparison of each electrical device is obtained (step S411), and a detection message is generated (step S413). Among them, if the signal difference reflects any need to pay attention to the situation, the system will be able to notify the user through various means, including sound, light, generate information through electronic devices, etc., or further manage the electrical connection device through other control elements. Or only the test report is generated by the user. The above-mentioned detection report can be completed in the system, or can be completed by other software after receiving the comparison result by the external electronic device.

Fig. 5 next describes a flow chart of another method of detecting an electrical device of the present invention.

In this example, the system enters the passive sensing mode. In step S501, the electrical equipment detecting system continuously receives the wave information of each electrical device by the electrical connecting device. In step S503, the data generated by the system includes the electrical signal phase, time, and voltage. With current information. Then, in step S505, the recorded electrical signal is recorded, and the information is updated at the same time. The library, if it is a new electrical device, add a new item in the database. In step S507, the system compares with the previous record, and the comparison result may form a detection report on the system side or generate a detection message after being transmitted to the external electronic device, as in step S509.

According to the embodiment of the electrical device detection system disclosed by the present invention, the user can connect the electrical device detection system by using a mobile device, a computer device or the like to obtain various detection data obtained by the system, and the mobile device or the computer device can be located far away. At the end, the electrical information of each electrical device can be obtained by connecting to the electrical equipment detection system through the Internet or a specific safe channel. Thereafter, a detection report can be formed on the electronic device, including graphically indicating to the user. When there is any detection result that needs attention, the software on the related device can notify the user through the image screen, the light number, the sound, or other means. Alternatively, the detection system can also output a signal to an external control device to safely manage the electrical connection device.

The embodiment is further illustrated in the flow chart shown in FIG. 6, in which the embodiment of the flow of the corresponding measures in the electrical device detecting method of the present invention is described.

In this embodiment, as shown in step S601, the user can establish a connection with the system through the mobile device, and in step S603, start receiving the detection message generated by the system according to each electrical device, and then perform the subsequent steps on the mobile device side. For example, statistical electrical information (step S605), the electrical signal of each electrical device is changed to detect the condition of the electrical device to determine an abnormal phenomenon (step S607), the corresponding measure is executed (step S609), and finally, in step S611, the mobile device is in software. Means form a report.

In the above embodiments, the embodiment of the method for detecting an electrical device disclosed in the embodiment of the present invention can refer to the process described in FIG. 7, which describes various situations in which the detection method is implemented.

Initially, in step S701, the electrical equipment detecting system performs the pre-operation test and enters the standby mode. Meanwhile, in step S703, the system determines whether there is a device connection through the signal obtained through the electrical connecting device.

If there is no device access yet (No), the process repeats step S701; when there is any The electrical device is connected to the electrical connecting device, that is, the electrical signal reflects the state (Yes). In step S705, the system continuously receives the electrical signal from the electrical device, including the system actively sending the detecting carrier, or passively receiving the signal from the device. Signals for electrical equipment.

In step S707, the system determines whether the received signal parameter conforms to the existing data according to the information such as the electrical signal recorded in the database.

When the system determines that the received electrical signal does not meet (can be compared with the comparison threshold), any electrical identification data (No) recorded in the database indicates that this is a new electrical appliance, as in step S713, the system A new item will be added to the database, and relevant electrical information will be recorded. After obtaining the accumulated signal for a period of time, electrical identification information corresponding to the electrical equipment can be established. If step S715, the data is updated at the same time, as in step S717.

When it is determined in step S707 that the signal characteristic of the received electrical signal conforms to the electrical identification data contained in the database of the system (Yes), in step S709, the system will form a detection data according to the electrical signal change of each electrical device, and according to And the signal contained in the database to determine whether the electrical equipment is normal? For example, when the signal shows an unusual voltage or current signal, or when the signal phase, impedance, or other characteristics change, the system can use a threshold value as a criterion, that is, when the electrical signal characteristics of each electrical device change more than the threshold value. When it is determined that the electrical device is abnormal (NO), and corresponding measures are performed, such as step S719, for example, generating an indication signal (light number, sound, vibration, etc.), or transmitting an abnormal message to a specific electronic device through a communication method. . The process may then return to step S703 to continuously detect the condition of other electrical devices. If the electrical signal indicates that the electrical device is functioning properly (yes), the data can be used to update the database, as in step S711.

According to one embodiment, in the active detection mode, the detection system sends a detection carrier to each electrical device through the electrical connection device, thereby obtaining the electrical characteristics of the electrical device, and the related detection carrier is, for example, the example shown in FIG. 8.

The horizontal axis of the waveform diagram shown in Fig. 8 is time, the vertical axis is potential, and the detection carrier can be a periodic narrow square wave displayed for this example, but other triangles carried on the load line are not excluded. Wave or a specific waveform. At this time, the system first records the characteristics of the detected carrier of the input electrical device, such as period, frequency, waveform, amplitude, pulse width (p), and the like.

9 and FIG. 10 respectively show the characteristic waveforms received by the detection system by different electrical devices, that is, the system first detects the carrier to two electrical devices as shown in FIG. 8, and then receives the features shown in FIG. 9 and FIG. Waveforms can be used to identify electrical devices by characteristics of the waveform (such as period, pulse width, amplitude, etc.). For example, when the system receives a waveform at a certain time, it can compare various waveform features in the database to identify the electrical device. In addition, when the system measures the waveform signals generated from the electrical devices, the time domain response of the device can be formed or the frequency domain response curve can be calculated, thereby defining the characteristics of the electrical device.

According to an embodiment in which the technical features of the present invention are applied, by the present invention, it is proposed that the characteristics of the appliance can be identified, the inertia of the various appliances can be formed according to the recording, and other additional monitoring functions can be achieved accordingly. For example, the toilet seat is often used. When there is a usage record, the detection system will get the relevant characteristic waveform. If the usage record is not detected for a period of time (such as 12 hours), the system will be able to issue a warning. Remind the observer because the related message indicates that the user may have experienced a condition.

According to the embodiment of the disclosure, in the electrical device detecting method disclosed in the embodiment of the present invention, the detecting system determines the change of the received electrical signal according to the electrical identification information of each electrical device recorded in the database, and According to the electrical signal of these electrical equipment, the status of the electrical equipment is changed to determine whether there is any problem of loss, power consumption, damage, etc., thereby providing a scheme for automatic safety detection of the electrical equipment. In addition, the electrical identification information of each electrical device can also be used as a basis for monitoring the behavior of the user.

However, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Therefore, equivalent structural changes that are made by using the specification and the contents of the present invention are equally included in the present invention. Within the scope, it is combined with Chen Ming.

12‧‧‧Electrical connection device

10‧‧‧Detection system

101‧‧‧Mobile devices

103‧‧‧ memory card

105‧‧‧Computer equipment

121, 123, 125‧‧‧ electrical equipment

Claims (9)

An electrical device detecting method includes: receiving an electrical signal of an electrical connecting device to connect one or more electrical devices connected to the electrical connecting device; recording an electrical signal of the one or more electrical devices; and recording with a database The electrical identification information of each electrical device is compared, and the electrical signal of each electrical device is changed; wherein the database records an electrical signal of the one or more electrical devices received through the electrical connecting device for a period of time, The signal characteristics of the electrical signal for a period of time are set to the electrical identification information of each electrical device; wherein the electrical device is changed by the electrical signal of each electrical device to detect the condition of the electrical device. The method of detecting an electrical device according to claim 1, wherein the method for generating an electrical signal by the electrical device comprises: transmitting, by a detecting system, a detecting carrier to each electrical device through the electrical connecting device; and receiving each through the electrical connecting device The wave of feedback from electrical equipment is the electrical signal that reflects the condition of each electrical equipment. The method for detecting an electrical device according to claim 1, wherein when the electrical signal of each electrical device changes by more than a threshold, the electrical device is determined to be abnormal, and an indication signal is generated. The electrical device detecting method according to any one of claims 1 to 3, wherein a detection data is formed according to an electrical signal change of each electrical device. The electrical device detecting method according to claim 4, wherein the electrical signal of each electrical device is transmitted to an electronic device through a connecting means to generate a detection report. The method for detecting an electrical device according to claim 1, wherein, after comparing with the electrical identification information of each electrical device recorded in the database, if there is no identification information that is close, a database comparing the electrical device is added. project. An electrical equipment detecting system includes: a control unit for processing signals of each circuit unit in the electrical equipment detecting system; a power signal interface unit electrically connected to the control unit for receiving the connection from an electrical connecting device An electrical signal of one or more electrical devices of the electrical connection device; a memory unit electrically connected to the control unit for storing electrical signals received from the power signal interface unit; a database unit electrically connected to the control The unit is configured to record electrical signals of one or more electrical devices for a period of time, and the signal characteristics of the electrical signals of the time period are set to electrical identification information of the electrical devices; a data processing unit is electrically connected to the control unit, And comparing electrical signals of one or more electrical devices received from the electrical connection device and electrical identification information of the one or more electrical devices recorded in the data storage unit to obtain electrical signal changes of the electrical devices; a detection data generating unit electrically connected to the electrical unit for electrical Generating a detection resolution change data; and a communication unit, electrically connected to the control unit, for outputting the detection data to an electronic device; wherein the electrical signal through each of the electrical equipment of the electrical equipment of the condition change detection. The electrical device detecting system of claim 7, wherein the communication unit transmits the electrical signal of each electrical device to a mobile device, a non-volatile memory device or a computer device through a connection means. The electrical device detecting system of claim 7, wherein the electrical connecting device is a wall-mounted or extended power socket.