TWI637574B - Power distribution correlation detection system and user association detection device - Google Patents

Abstract

A user association detecting device includes a first transceiver module and a second transceiver module. The first transceiver module receives an input signal related to a user electric number of a user electric meter and performs format conversion to generate a And indicating a power signal of the user's electric number, and transmitting the power signal to a branch power line electrically connected to the user meter to be detected by the user electric number, and the second transceiver module is electrically connected Determining whether a main power line electrically connected to the distribution transformer is to be detected, and determining whether to generate a user electric number indicating the user electric meter to be detected, and the user electric quantity according to whether the power signal from the first transceiver module is received No. is the judgment result of the power distribution range in which the distribution transformer is to be detected.

Description

Power distribution correlation detection system and user correlation detection device

The present invention relates to a system and apparatus, and more particularly to a power distribution correlation detection system and a user association detection apparatus.

At present, before the power system performs maintenance on the power system, the user information recorded in the database of the Outage Management System (OMS) is used as the basis for the power failure notification. The user information records the power distribution of each distribution transformer. The user meter of the user is covered in the scope. For example, the A-distribution transformer in the database covers the user meter of the a1~a10 user. Therefore, when the Taipower wants to perform the power system maintenance of the A distribution transformer in a certain period of time, it will be based on User information informs a1~a10 that the user will be powered off during a certain period of time, so that users a1~a10 can prepare for power outage in advance. However, in fact, the user meter covered by the A distribution transformer may be due to the power supply requirement of the user or the power supply circuit. Adjustment, so that the user meter covered by the A distribution transformer is changed from the user meter of the a1~a10 user to the user meter of the a1~a6 user and the user meter of the a8~a11 user, causing the a7 user to do well after the subsequent maintenance of the power system. The preparation was not powered off, and the a11 user did not receive the power failure notice but the power outage was caught off guard, causing people to complain.

Accordingly, it is a first object of the present invention to provide a power distribution correlation detecting system that can effectively confirm the correlation between a distribution transformer and a user meter without powering down.

Therefore, the power distribution correlation detecting system of the present invention comprises a plurality of user meters, a plurality of distribution transformers, a plurality of low voltage subscriber lines, and a user association detecting device.

Each distribution transformer is used to supply power to the plurality of user meters to which it belongs within a power distribution range.

Each of the low-voltage feeder lines has a main power line and a plurality of branch power lines electrically connected to the corresponding distribution transformer, and one end of the plurality of branch power lines is electrically connected to the plurality of user meters to which the distribution transformer belongs The other end of the plurality of branch power lines is electrically connected to the main power line.

The user association detecting device includes a first transceiver module and a second transceiver module.

The first transceiver module includes a human machine interface and a processing unit, and the human machine interface receives an input signal related to a user electric number of the user electric meter, wherein the user electric meter is to be detected as the plurality of users. One of the meters. The processing unit is electrically connected to the human machine interface to receive the input signal, and performs format conversion according to the input signal to generate a power signal indicating the user's electric number, and transmits the power signal to the user power by means of power line carrier communication. The branch corresponding to the branch is to detect the branch power line electrically connected to the user meter.

The second transceiver module is electrically connected to the main power line electrically connected to the distribution transformer, and is determined according to whether the power signal transmitted from the first transceiver module and transmitted by the power line carrier is received. Whether a judgment result is generated and recorded, the judgment result indicating a user electric number of the user electric meter to be detected, and the user electric number is the power distribution range of the distribution transformer to be detected, wherein the power distribution transformer to be detected is the plurality of power distribution One of the transformers.

Accordingly, a second object of the present invention is to provide a user correlation detecting apparatus that can effectively confirm the correlation between a distribution transformer and a user electric meter without requiring a power outage.

The user correlation detecting device is adapted to electrically connect to a distribution network, the distribution network comprises a plurality of user electricity meters, a plurality of distribution transformers, and a plurality of low voltage feeder lines, each of the distribution transformers being powered in a power distribution range The plurality of user electricity meters, each low-voltage feeder line has a main power line, and a plurality of branch power lines, the main power line is electrically connected to the corresponding distribution transformer, and one end of the plurality of branch power lines is electrically connected to the power distribution The plurality of user electric meters to which the transformer belongs, the other end of the plurality of branch power lines is electrically connected to the main power line. The user correlation detecting device comprises a first transceiver module and a second transceiver module.

The first transceiver module includes a human machine interface and a processing unit.

The human machine interface receives an input signal related to a user electric number of the user electric meter to be detected, wherein the user electric meter to be detected is one of the plurality of user electric meters.

The processing unit is electrically connected to the human machine interface to receive the input signal, and performs format conversion according to the input signal to generate a power signal indicating the user's electric number, and transmits the power signal to the user power by means of power line carrier communication. The branch corresponding to the branch is to detect the branch power line electrically connected to the user meter.

The second transceiver module is electrically connected to the main power line electrically connected to the distribution transformer, and is determined according to whether the power signal transmitted from the first transceiver module by using the power line carrier communication is received. Whether a judgment result is generated and recorded, the judgment result indicating a user electric number of the user electric meter to be detected, and the user electric number is the power distribution range of the distribution transformer to be detected, wherein the power distribution transformer to be detected is the plurality of power distribution One of the transformers.

The effect of the present invention is that the user correlation detecting device transmits the power signal carrying the user store number to the user electric number corresponding to the user electric number by using the processing unit of the first transceiver module in a power line carrier communication manner. To detect the branch power line electrically connected to the user meter, the second transceiver module determines whether to generate and record the power signal transmitted from the first transceiver module by means of the power line carrier communication. As a result of the judgment, the user correlation detecting device can perform power system maintenance without powering off the distribution network.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.

Referring to FIG. 1 and FIG. 2, an embodiment of the power distribution correlation detecting system of the present invention includes a distribution network 6, a user association detecting device 4, and a portable device 5.

The distribution network 6 comprises a plurality of subscriber meters 1, 11 , a plurality of distribution transformers 2, 21 and a plurality of low voltage subscriber lines 3.

Each distribution transformer 2/21 is used to supply power to the plurality of user meters 1, 11 to which it belongs within a power distribution range.

Each of the plurality of low-voltage feeder lines 3 has a main power line 31 and a plurality of branch power lines 32 electrically connected to the corresponding distribution transformer 2/21, and one ends of the plurality of branch power lines 32 are electrically connected to the power distribution. The plurality of user meters 1 and 11 to which the transformer 2/21 belongs, the other ends of the plurality of branch power lines 32 are more electrically connected to the main power line 31.

The user association detection device 4 includes two transceiver modules 41 and 42 , and each transceiver module 41 / 42 includes a human machine interface 43 and a processing unit 44 .

The human machine interface 43 is configured to provide a user input meter number and display the current communication status, that is, the human machine interface 43 receives a setting data S input by a user, and a related to a user meter 11 to be detected. The input signal Sin of the user electric number, wherein the user electric meter 11 to be detected is one of the plurality of user electric meters 1, 11.

The processing unit 44 is electrically connected to the human machine interface 43 to receive the setting data S, and switches to operate in one of a transmitting mode or a receiving mode according to the setting data S.

Each processing unit 44 includes a microprocessor 441, a communicator 442, a memory 443, a carrier chip 444, a driving circuit 445, a filter amplifying circuit 446, and a coupling circuit 447.

The microprocessor 441 is electrically connected between the human machine interface 43, the communication device 442, the memory 443 and the carrier chip 444. The driving circuit 445 and the filter amplification circuit 446 are electrically connected to the carrier chip 444 and the Between the coupling circuits 447.

In this embodiment, for convenience of description, one of the two transceiver modules 41 is defined as a first transceiver module (hereinafter one of the two transceiver modules 41 is referred to as the first The transceiver module 41) defines one of the two transceiver modules as a second transceiver module (hereinafter, the other 42 of the two transceiver modules is referred to as the second transceiver module 42) The operation of the first transceiver module 41 and the second transceiver module 42 of the user association detecting device 4 will be described in the following three stages. When working in the second transceiver module mode, the user's electric number information transmitted by the first transceiver module 41 is temporarily stored in the storage unit 443, and the portable device is connected to the second transceiver module 42. At the time, the data is taken out from the storage 443 and displayed and recorded in the portable device 5. When working in the second transceiver module mode, the microprocessor 441 connects the user electric number data stored in the storage unit 443 to the portable device 5 through the communication device 442, and transmits the information to the portable device 5. . The following will be further explained.

The first stage: pre-operation.

The human interface 43 of the first transceiver module 41 receives the setting data S indicating the operation mode, and the microprocessor 441 of the first transceiver module 41 receives the setting data from the human interface 43. And switching the operation mode to the transmitting mode according to the setting data S. Then, the user electrically connects the first transceiver module 41 to the branch power line 32 electrically connected to the user meter 11 to be detected; similarly, the first The human interface 43 of the transceiver module 42 receives the setting data S indicating the operation mode, and the microprocessor 441 of the second transceiver module 42 receives the setting data S from the human interface 43. And switching the operation mode to the receiving mode according to the setting data S. Then, the user electrically connects the second transceiver module 42 to the main power line 31 electrically connected to the distribution transformer 21, wherein the distribution transformer is to be detected. 21 is one of the plurality of distribution transformers 2, 21.

The second stage: the operation of the first transceiver module 41.

Then, the user inputs the user electric number of the user electric meter 11 to be detected by the human interface 43 of the first transceiver module 41, such as a keyboard or a touch screen, and the input signal Sin is generated. The microprocessor 441 of the module 41 receives the input signal Sin from the human machine interface 43 and converts the input signal Sin from a computer system format into a power system format to generate a power signal. The carrier chip 444 receives the incoming signal. The microprocessor 441 carries the power signal of the user electric number and converts the power signal from a digital form to an analog form. The driving circuit 445 receives the power signal in the analog form from the carrier chip 444 for amplification. The coupling circuit 447 receives the amplified power signal from the driving circuit 445, and transmits the power signal to the user electric meter 11 corresponding to the user electric number that is electrically connected by the power line carrier communication. Branch power line 32.

The third stage: when the first transceiver module 41 and the second transceiver module 42 are electrically connected to the same low voltage subscriber line 3, the second transceiver module 42 is activated.

The coupling circuit 447 of the second transceiver module 42 receives the power signal transmitted from the first transceiver module 41 and carrying the user electric number by means of power line carrier communication, and filters out the power signal. The low-frequency component, the filter amplifying circuit 446 receives the power signal from the coupling circuit 447 for filtering the low-frequency component, and filters out the noise of the power signal that filters out the low-frequency component, and amplifies and generates an amplified signal. The carrier chip 444 receives the amplified signal from the filter amplifying circuit 446 and converts the amplified signal from an analog form to a digital form. The microprocessor 441 receives the amplified signal in digital form from the carrier chip 444 and The digital form of the amplified signal is converted from the power system format to the computer system format, and a determination result is generated, the determination result indicating the user electric number of the user electric meter 11 to be detected, and the user electric number is the distribution transformer to be detected. The storage area of the second transceiver module 42 receives the determination result and stores the desired detection indicated by the determination result. The user electric number of the user electric meter 11 and the user electric number are the power distribution range of the distribution transformer 21 to be detected, and the communicator 442 of the second transceiver module 42 receives the determination result, and generates a judgment according to the judgment result. a wireless signal indicating the user number of the user meter 11 to be detected, and the user number is the power distribution range of the distribution transformer 21 to be detected, and the portable device 5, such as a tablet or a mobile phone, receives the wireless And storing the user electric number of the user electric meter 11 to be detected indicated by the wireless signal, and the user electric number is the power distribution range of the distribution transformer 21 to be tested, so that the user can update the stop limit at any time. The user information recorded in the database of the electronic management system (OMS) effectively improves the accuracy of the database of the power outage management system, wherein the database of the OMS is another computer (not shown), and The data is not transmitted to the OMS database in the portable device 5, nor is it transmitted through the cloud. The operation principle is that the portable device 5 receives all the measured user electric numbers and then the OMS database. Do the connection and update the measured information to the OMS database.

The wireless signal may be a Bluetooth signal or an electromagnetic wave signal.

In addition, it should be noted that if the user meter 11 to be detected is not in the power distribution range of the distribution transformer 21 to be detected, the main power line 31 to be connected to the distribution transformer 21 is electrically connected and electrically connected to the user meter to be detected. The branch power line 32 of the 11 does not belong to the same low voltage subscriber line 3, that is, the first transceiver module 41 is not indirectly electrically connected to the second transceiver module 42, so the second transceiver module The coupling circuit 447 of the group 42 can of course not receive the power signal from the first transceiver module 41. Therefore, the user can simply receive the first transceiver module from the second transceiver module 42. The power signal outputted by the group 41 determines whether the detected user electricity meter 11 is located within the power distribution range of the distribution transformer 21 to be detected. When no power line carrier signal is received within a certain time, it is determined that the user does not belong to the power distribution signal. The user of the transformer.

In summary, the power distribution correlation detection system of the present invention has the following advantages:

1. The distribution distribution transformer 21 of the distribution network 6 can effectively confirm the correlation between the distribution transformer 21 to be detected and the user meter 11 to be detected without powering off: by directly charging the first transceiver module 41 Connected to the branch power line 32 corresponding to the user meter 11 to be detected, and output the power signal outputted to the branch power line 32 by means of the power line carrier communication, and then according to whether the second transceiver module 42 Receiving the power signal from the first transceiver module 41 to determine whether the user meter 11 to be detected and the power distribution transformer 21 to be detected are electrically connected to the same low voltage subscriber line 3 to determine whether the user meter 11 is to be detected. Located in the power distribution range of the distribution transformer 21 to be detected.

2. The user information recorded in the database of the power outage management system (OMS) can be updated in real time: the second transceiver module 42 further generates a user electric number indicating the user meter 11 to be detected according to the determination result, and The user electric number is the wireless signal of the power distribution range of the distribution transformer 21, and the portable device 5 receives the wireless signal, and stores the user electric number of the user electric meter 11 to be detected indicated by the wireless signal. And the user electric number is the power distribution range of the distribution transformer 21 to be tested, so that the user can update the database of the power limitation management system at any time, and effectively improve the accuracy of the data management system of the power limitation management system. .

The power distribution correlation detection system of the present invention can achieve the object of the present invention.

However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.

1‧‧‧User meter

11‧‧‧To test the user's electricity meter

2‧‧‧Distribution transformer

21‧‧‧To detect distribution transformers

3‧‧‧Low-voltage feeder line

31‧‧‧Main power line

32‧‧‧ branch power line

4‧‧‧User correlation detection device

41‧‧‧First transceiver module

42‧‧‧Second transceiver module

43‧‧‧Human Machine Interface

44‧‧‧Processing unit

441‧‧‧Microprocessor

442‧‧‧Communicator

443‧‧‧Storage

444‧‧‧ Carrier Chip

445‧‧‧ drive circuit

446‧‧‧Filter amplifier circuit

447‧‧‧coupled circuit

5‧‧‧Portable device

6‧‧‧Distribution grid

S‧‧‧Setting information

Sin‧‧‧ input signal

Other features and advantages of the present invention will be apparent from the embodiments of the present invention, wherein: Figure 1 is a schematic diagram illustrating an embodiment of the power distribution correlation detection system of the present invention; and Figure 2 is a block diagram A circuit block diagram of a transceiver module of a user association detecting device of the embodiment of the power distribution correlation detecting system of the present invention.

Claims (7)

A power distribution correlation detecting system, comprising a plurality of user electric meters; a plurality of distribution transformers, each of the distribution transformers being used for supplying power to the plurality of user electric meters to which they belong in a power distribution range; and a plurality of low voltage receiving lines, each low voltage The subscriber line has a main power line, and a plurality of branch power lines, the main power line is electrically connected to the corresponding distribution transformer, and one end of the plurality of branch power lines is electrically connected to the plurality of user meters to which the distribution transformer belongs, The other end of the branch power line is electrically connected to the main power line; and a user association detecting device includes a first transceiver module, including a human machine interface, and receives a user electric number associated with a user meter to be detected. An input signal, wherein the user meter to be detected is one of the plurality of user meters, and a processing unit electrically connects the human machine interface to receive the input signal, and performs format conversion according to the input signal to generate an indication The power signal of the user's electric number is transmitted to the user's electric number in the manner of power line carrier communication. The branch power line electrically connected to the user meter is detected, and a second transceiver module is electrically connected to the main power line electrically connected to the distribution transformer, and according to whether the communication using the power line carrier is received The power signal transmitted by the first transceiver module determines whether a judgment result is generated and recorded, and the judgment result indication The user electric number of the user electric meter to be detected, and the user electric number is the power distribution range of the distribution transformer to be detected, wherein the power distribution transformer to be detected is one of the plurality of distribution transformers; a portable device, When the second transceiver module receives the power signal, the determination result is generated, and according to the determination result, a user electric number indicating the user electric meter to be detected is generated, and the user electric number is the power distribution of the distribution transformer to be detected. The wireless signal of the range, the portable device receives the wireless signal, and stores a user electric number of the user electric meter to be detected indicated by the wireless signal, and the user electric number is the power distribution range of the distribution transformer to be detected. The power distribution correlation detecting system of claim 1, wherein the second transceiver module comprises a processing unit, the processing unit includes a coupling circuit electrically connected to the main power line electrically connected to the distribution transformer to receive The power signal, and filtering out the low frequency component of the power signal, a filter amplifying circuit electrically connected to the coupling circuit to receive the power signal filtering out the low frequency component, and filtering the noise of the power signal filtering the low frequency component And amplifying to generate an amplified signal, a carrier chip electrically connected to the filter amplifying circuit to receive the amplified signal, and converting the amplified signal from an analog form to a digital form, a microprocessor electrically connecting the carrier chip, and Converting the amplified signal in digital form from a power system format to a computer system format, and generating the determination result, and a storage device electrically connecting the microprocessor to receive the determination result, and storing the user electric number of the user electric meter to be detected indicated by the judgment result, and the user electric number is the power distribution range of the distribution transformer to be detected. The power distribution correlation detecting system of claim 2, wherein the processing unit further comprises a communicator electrically connected to the microprocessor to receive the determination result, and generating an indication indicating the user electric meter to be detected according to the determination result. The user electric number and the user electric number are wireless signals of the power distribution range of the distribution transformer to be detected. The power distribution correlation detecting system of claim 1, wherein the processing unit comprises a microprocessor electrically connected to the human machine interface to receive the input signal, and converting the input signal from the computer system format to the power The system format generates the power signal, a carrier chip, electrically connecting the microprocessor to receive the power signal, and converting the power signal from a digital form to an analog form, a driving circuit electrically connecting the carrier chip and The analog signal of the analog form is amplified, and a coupling circuit is electrically connected to the driving circuit to receive the amplified power signal, and the amplified power signal is transmitted to the user electric number by means of power line carrier communication. Corresponding to the branch power line to which the user meter is electrically connected. A user correlation detecting device is suitable for electrically connecting to a distribution network, the distribution network comprising a plurality of user electricity meters, a plurality of distribution transformers, and a plurality of low voltage connections The household line, each distribution transformer is used to supply power to the plurality of user electricity meters to which it belongs in a power distribution range, each low voltage feeder line has a main power line, and a plurality of branch power lines, the main power line is electrically connected to the corresponding One end of the plurality of branch power lines is electrically connected to the plurality of user electric meters to which the distribution transformer belongs, and the other end of the plurality of branch power lines is more electrically connected to the main power line, and the user correlation detecting device includes a The first transceiver module includes a human machine interface, and receives an input signal related to a user electric number of the user electric meter to be detected, wherein the user electric meter to be detected is one of the plurality of user electric meters, and a processing a unit electrically connecting the human machine interface to receive the input signal, and performing format conversion according to the input signal to generate a power signal indicating the user's electric number, and transmitting the power signal to the user electric number by means of power line carrier communication Corresponding to the branch power line electrically connected to the user meter; and a second transceiver module, the electrical connection is to be checked The main power line electrically connected to the distribution transformer determines whether a judgment result is generated and recorded according to whether the power signal transmitted from the first transceiver module is received by the power line carrier communication, and the determination result is obtained. Instructing the user electric number of the user electric meter to be detected, and the user electric number is the power distribution range of the distribution transformer to be detected, wherein the power distribution transformer to be detected is one of the plurality of distribution transformers; wherein the second The transceiver module includes a processing unit, and the processing unit includes a coupling circuit electrically connecting a main power line electrically connected to the distribution transformer to receive the power signal, and filtering out a low frequency component of the power signal, a filter amplifying circuit electrically connected to the coupling circuit to receive a low frequency component The power signal, and filtering the noise of the power signal filtering the low frequency component, and amplifying to generate an amplified signal, a carrier chip electrically connected to the filter amplifying circuit to receive the amplified signal, and the amplified signal Converting the analog form into a digital form, a microprocessor electrically connecting the carrier chip, converting the amplified signal in digital form from a power system format to a computer system format, and generating the determination result, a storage device, and a battery Connecting the microprocessor to receive the determination result, and storing the user electric number of the user electric meter to be detected indicated by the wireless signal, and the user electric number is the power distribution range of the distribution transformer to be detected, a communicator, and the electric Connecting the microprocessor to receive the determination result, and generating a user indicating the user meter to be detected according to the determination result Number, and the number for the user to be detected electrical signal of the wireless distribution range distribution transformer. The user association detection device of claim 5 is further applicable to a portable device, and when the second transceiver module receives the power signal, the determination result is generated, and according to the determination result, an indication is generated. Detecting a user electric number of the user electric meter, and the user electric number is a wireless signal of the power distribution range of the distribution transformer to be detected, and the portable device receives the wireless signal and stores And storing the user electric number of the user electric meter indicated by the wireless signal, and the user electric number is the power distribution range of the distribution transformer to be detected. The user association detecting device of claim 5, wherein the processing unit of the first transceiver module further comprises a microprocessor electrically connected to the human machine interface to receive the input signal, and the input signal is Converting the computer system format into the power system format to generate the power signal, a carrier chip electrically connecting the microprocessor to receive the power signal, and converting the power signal from a digital form to an analog form, a driving circuit, and a power Connecting the carrier chip, and amplifying the power signal in the analog form, and a coupling circuit electrically connecting the driving circuit to receive the amplified power signal, and the amplified power is transmitted by means of power line carrier communication The signal is transmitted to the branch power line to which the user electric meter corresponding to the user electric number is electrically connected.