CN111445687A - Household meter relation recognition system based on concentrator and meter acquisition relation - Google Patents

Abstract

The invention discloses a household meter relationship identification system based on concentrator and meter acquisition relationship, which comprises a data acquisition unit: the system is used for acquiring data of the user electric energy meter and converting the data into an electric signal; a remote meter reading unit: the device is used for reading the electric signal, converting the electric signal into a digital signal, recording and storing the digital signal and sending a control instruction signal; a data concentrator: the digital signal processing device is used for receiving the control instruction signal and the digital signal and decomposing the digital signal; a central processing unit: and the communication module is used for reading a data processing result obtained by decomposing the digital signal and transmitting the data processing result to the mobile terminal through the communication module. The system is not only suitable for general investigation and verification of the household meter relationship, but also can simultaneously test a plurality of lines according to the household meter relationship, and has higher efficiency.

Description

A household meter relationship identification system based on the collection relationship between the concentrator and the meter

technical field

The invention relates to the technical field of household meter relationship identification, in particular to a household meter relationship identification system based on the collection relationship between a concentrator and a meter.

Background technique

The household meter relationship is the corresponding relationship between each meter and the actual resident of each household after the centralized installation of the meter box. The wires and cables between the meter and the resident’s house are often embedded in the wall, which cannot be identified through direct observation. , The labeling is not strictly in accordance with the drawings and other reasons, the electricity meter often does not correspond to the actual electricity consumption of the residents or the electricity file information is wrong, resulting in the inconsistency between the electricity bill submitted by the user and the actual electricity bill;

The existing centralized meter reading system still has the following problems:

(1) Due to the disconnection of the power line of the carrier acquisition terminal, the reverse connection of the positive and negative polarity of the pulse line, and the wrong order of the pulse line, the actual power consumption of the user is inconsistent with the payment, which will increase the workload of investigation and maintenance;

(2) Due to the non-standard wiring during construction, sometimes during the operation of the system, sometimes individual terminals fail to copy and collect, resulting in inconsistency between the user's actual electricity consumption and payment, or the user's actual electricity consumption and payment are consistent but the user information and registration information are inconsistent, and Users often find out when they encounter special faults after using them for a long time.

SUMMARY OF THE INVENTION

To this end, the present invention provides a household meter relationship identification system based on the collection relationship between the concentrator and the meter, so as to solve the problem of inconsistent household meter relationship in the prior art due to unsuccessful terminal reading and collection.

In order to achieve the above object, the present invention provides the following technical solutions:

A household meter relationship identification system based on the collection relationship between a concentrator and a meter, comprising:

The data acquisition unit is used to collect the data of the user's electric energy meter and convert the data into electrical signals;

The remote meter reading unit is used to read the pulse electrical signal output by the data acquisition unit, convert it into a digital signal for record keeping, and issue a control command signal;

a data concentrator, used for receiving the control command signal and data information sent by the remote meter reading unit, and decomposing the data;

The central processing unit is used to connect the data concentrator through the server, read the data processing result, and transmit the result to the mobile terminal through the communication module.

As a preferred solution of the present invention, the data acquisition unit adopts photoelectric conversion technology to convert the rotation data of the turntable of the electric energy meter into a pulse signal for the remote meter reading unit to read.

As a preferred solution of the present invention, the remote meter reading unit is provided with a logic control module and a control unit, the logic control module is connected to the control unit through an address control line, and the logic control module receives a pulse signal and transmits it to The control unit performs processing, and is connected to a carrier unit through a control bus, and the carrier unit is connected to the control unit through a transceiving control line.

As a preferred solution of the present invention, the data concentrator receives and stores the meter reading data, and controls the internal transceiver spread spectrum module to access the data in the remote meter reading unit through its internal demodulation instruction.

As a preferred solution of the present invention, an AT instruction set is embedded in the transceiver and spread spectrum module, which is used to control the remote meter reading unit in an instruction control manner.

As a preferred solution of the present invention, the transceiver spread spectrum module is interconnected with the central processing unit through a spread spectrum communication carrier module, and the central processing unit uses the AT command set to synchronize relevant data to the central processing unit through a power carrier. The transceiver spread spectrum module performs spread spectrum.

As a preferred solution of the present invention, the spread spectrum communication carrier module transmits the matched filter data to the carrier unit in the form of a carrier signal.

As a preferred solution of the present invention, the carrier communication range of the spread spectrum communication carrier module is 50-200KHz.

As a preferred solution of the present invention, a voltage detection circuit is arranged inside the data concentrator.

As a preferred solution of the present invention, the voltage detection circuit is connected to the central processing unit through a communication unit.

The present invention has the following advantages:

The present invention is essentially a household meter relationship identification system based on the collection relationship between the concentrator and the meter. The power carrier data acquisition unit collects the pulses sent by each user's electric energy meter, processes and saves them, and uses the central processing unit to set the self-learning center. Continue to communicate until all the information of the collection terminal is collected into the concentrator, to ensure the accuracy and validity of the data, and to operate under the condition of ensuring the normal power consumption of the user, the operator does not need to enter the user's home, and the data does not need manual paper. Quality records can greatly improve the efficiency of on-site correction of the corresponding relationship between household meters and reduce labor intensity. It can effectively identify the one-to-one correspondence between electric energy meters and users, and at the same time automatically correct the wrong information in the database, so that the user file information is completely consistent with electricity payment. , reducing user complaints, which is conducive to accurate power failure and electricity safety during line maintenance. This system is not only suitable for household meter relationship census and verification work, but also can test multiple lines simultaneously according to household meter relationship, which is more efficient.

Description of drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary, and for those of ordinary skill in the art, other implementation drawings can also be obtained according to the extension of the drawings provided without creative efforts.

The structures, proportions, sizes, etc. shown in this specification are only used to cooperate with the contents disclosed in the specification, so as to be understood and read by those who are familiar with the technology, and are not used to limit the conditions for the implementation of the present invention, so there is no technical The substantive meaning above, any modification of the structure, the change of the proportional relationship or the adjustment of the size should still fall within the technical content disclosed in the present invention without affecting the effect and the purpose that the present invention can produce. within the range that can be covered.

Fig. 1 is the structural block diagram of the household meter relationship identification system based on the concentrator and the meter collection relationship in the present invention;

In the picture:

1-Data acquisition unit; 2-Remote meter reading unit; 3-Data concentrator; 4-Central processing unit; 5-Logic control module; 6-Control unit; 7-Carrier unit; 8-Transceiver and spread spectrum module; 9- Spread spectrum communication carrier module; 10-voltage detection circuit.

Detailed ways

The embodiments of the present invention are described below by specific specific embodiments. Those who are familiar with the technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in Figure 1, the present invention provides a household meter relationship identification system based on the collection relationship between a concentrator and a meter, including:

The data acquisition unit 1 is used to collect the data of the user's electric energy meter and convert the data into electrical signals;

The remote meter reading unit 2 is used to read the pulse electrical signal output by the data acquisition unit 1, convert it into a digital signal for recording and save, and issue a control command signal; wherein, the control command signal includes a digital signal;

The data concentrator 3 is used to receive the control command signal and the digital signal sent by the remote meter reading unit 2, and decompose the digital signal to obtain a data processing result;

The central processing unit 4 is configured to connect to the data concentrator 3 through the server, read the data processing result, and transmit the data processing result to the mobile terminal through the communication module.

In this embodiment, the link establishment connection process is as follows:

First, use the data acquisition unit 1 as the terminal to collect the user's electric energy meter data, and connect the remote meter reading unit 2 through the communication server and synchronize the data;

Secondly, the remote meter reading unit 2 accesses the network through IP routing, establishes an IP link between the terminal and the collection server, and transmits data and data between the terminal and the central processing unit 4 according to the communication protocol through program settings and instant commands. Order.

The household meter relationship identification system is mainly composed of a data acquisition unit 1, a remote meter reading unit 2, a data concentrator 3 and a central processing unit 4. The power carrier data acquisition unit 1 collects the pulses sent by each user's electric energy meter and processes them. Save, during the working period set by the central processing unit 4, the power carrier concentrator patrols each collection terminal, collects the stored power data, and uses the central processing unit 4 to set up a self-learning relay mode to communicate until all the information of the collection terminals All collected in the concentrator to ensure the accuracy and validity of the data.

The data acquisition unit 1 adopts photoelectric conversion technology to convert the rotation data of the electric energy meter turntable into a pulse signal for the remote meter reading unit 2 to read.

In this embodiment, the data acquisition unit 1 is mainly used for modification by users of existing electric energy meters. It adopts the long-life photoelectric conversion technology to convert the rotation data of the electric energy meter turntable into pulse signals for the central processing unit 4 to read. It has the characteristics of simple circuit, accurate and reliable.

In this embodiment, the data collection unit 1 can realize the centralized collection of pulse electric energy meter data. Each collection terminal can collect the data of 16 pulse electric energy meters, process and store the collected data, and collect power carrier data. The power line carrier communication mode is adopted between the unit 1 and the power carrier data concentrator 3 to transmit the collected data and other information to the data concentrator 3 .

In this embodiment, the data concentrator 3 can automatically transcribe the data and other information of the data acquisition unit 1, centralize and store the data, and transmit the data to the main station of the intelligent meter reading management system through the remote meter reading unit 2, and the concentrator automatically timed Collect the electricity consumption information data stored by each collection terminal, and can save the meter reading day, every day 30 days before the current day, the meter reading day of the previous month and the current electricity consumption information data of each user. The reading time of the power carrier concentrator can be passed through the carrier wave Set by hand-held meter reading device or carrier setting machine. If the reading fails, repeat 2 consecutive rounds of re-reading. If the re-reading still fails, repeat the re-reading at the next reading interval until all the information of the collection terminal is read into the concentrator. .

The remote meter reading unit 2 is internally provided with a logic control module 5 and a control unit 6, the logic control module 5 is connected to the control unit 6 through an address control line, and the logic control module 5 receives a pulse signal and transmits it to the control unit. The unit 6 performs processing, and is connected to a carrier unit 7 through a control bus, and the carrier unit 7 is connected to the control unit 6 through a transceiving control line.

In this embodiment, the control unit 6 uses W78E516 as the core processor, removes redundant clocks and storage cycles, and controls the logic control module 5 to perform corresponding operations according to different instruction types under the same crystal oscillator frequency, and uses programmable The logic device is responsible for the acquisition of multiple pulses and the enabling control of some circuits. When the relevant circuit detects the signal, it sends an interrupt request to the processor through the programmable logic device. The processor reads the command data from the serial port and verifies the command data. After the target address is the local machine, the data of the multi-channel electric energy meter is read through the internal 4/16 decoder of the programmable logic device through the address line, and the data is sent to the data concentrator 3 through the transceiver and spread spectrum module 8 through the serial port, thereby completing the electric energy meter. Data collection and transmission.

In this embodiment, the carrier unit 7 is mainly used to complete the initial settings of the data acquisition terminal and concentrator in the power carrier meter reading system, such as a series of initialization tasks such as acquisition terminal initialization, meter reading address setting, etc. The result is uploaded to the data concentrator 3, and the data concentrator 3 performs meter reading on the collection terminal according to the obtained setting data.

The data concentrator 3 receives and stores the meter reading data, and controls the internal transceiver and spread spectrum module 8 to access the data of the remote meter reading unit 2 through its internal demodulation instruction.

The transceiving and spreading spectrum module 8 is embedded with an AT instruction set, and controls the remote meter reading unit 2 in an instruction control manner.

In this embodiment, the data concentrator 3 adopts a dual-processor structure, and sends instructions in serial format to the transceiver spread spectrum module 8 for spread spectrum modulation, and is coupled to the power line through a matched filter and sent to the central processing unit 4 and the carrier wave Unit 7 is responsible for controlling and managing the operation of each concentrator in the entire electricity consumption area through the central processing unit 4, and monitoring and recording the electricity consumption condition in the area.

The transceiver spread spectrum module 8 is interconnected with the central processing unit 4 through a spread spectrum communication carrier module 9, and the central processing unit 4 uses an instruction set to synchronize relevant data to the transceiver spread spectrum module 8 for spectrum spread through a power carrier. .

In this embodiment, the central processing unit 4 calculates the electricity fee according to the received data information, and the process is as follows:

First, accept the collected electricity consumption data, determine the size range of the electricity consumption data, and call the electricity charge calculation model of the corresponding tiered electricity price according to the size of the range to calculate the electricity charge receivable;

Secondly, judge whether there is abnormal data. If there is abnormal data, call the abnormal event processing program, which is usually an alarm prompt, and the personnel of the power company will conduct audit or on-site verification;

Finally, update the prepaid electricity fee information in the electricity meter according to the normal data.

The spread spectrum communication carrier module 9 transmits the matched filter data to the carrier unit 7 in the form of a carrier signal.

The spread spectrum communication carrier module 9 sets its carrier communication range at 50-200KHz.

The data concentrator 3 is internally provided with a voltage detection circuit 10 .

The voltage detection circuit 10 is connected to the central processing unit 4 through a communication unit.

In this embodiment, the voltage detection circuit 10 mainly detects line fault information and abnormal current and voltage signal data, so as to determine whether the data information received by the central processing unit 4 is correct.

In this embodiment, the central processing unit 4 mainly performs unified data planning through the database to form unified service data information, records the data received inside the central processing unit 4 according to the feedback information of the voltage detection circuit 10, The electricity bill updates the electricity consumption information, realizes the remaining electricity fee data after the terminal calculates the fee, and after the data collection unit 1 collects it back to the central processing unit 4, reconciles and updates the storage fee with the central processing unit 4, and saves the relevant information.

The household meter relationship identification system based on the collection relationship between the concentrator and the meter can be operated under the condition of ensuring the normal power consumption of the user, the operator can not enter the user's home, and the data does not need manual paper records, which greatly improves the on-site correction of the household meter. The efficiency of the corresponding relationship reduces the labor intensity, can effectively identify the one-to-one correspondence between the electric energy meter and the user, and at the same time automatically correct the wrong information in the database, so that the user file information is completely consistent with the electricity payment, reduce user complaints, and facilitate the line maintenance process. The system is not only suitable for census and verification work of household meter relationship, but also can test multiple lines at the same time according to household meter relationship, which is more efficient.

Although the present invention has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the present invention, which will be obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention fall within the scope of the claimed protection of the present invention.

Claims (10)

1. a household meter relationship identification system based on concentrator and meter collection relationship, is characterized in that, comprises: a data acquisition unit (1) for collecting data of the user's electric energy meter and converting the data into electrical signals; The remote meter reading unit (2) is used to read the pulse electrical signal output by the data acquisition unit (1), convert it into a digital signal for record keeping, and issue a control command signal; a data concentrator (3) for receiving the control command signal and the digital signal sent by the remote meter reading unit (2), and decomposing the digital signal; The central processing unit (4) is used for connecting the data concentrator (3) through the server, reading the data processing result obtained by decomposing the digital signal, and transmitting the data processing result to the mobile terminal through the communication module. 2. A household meter relationship identification system based on the collection relationship between a concentrator and a meter according to claim 1, wherein the data acquisition unit (1) adopts a photoelectric conversion technology to convert the rotation data of the electric energy meter turntable Converted into a pulse signal for the remote meter reading unit (2) to read. 3. a kind of household meter relationship identification system based on concentrator and meter collection relationship according to claim 1, is characterized in that, described remote meter reading unit (2) is internally provided with logic control module (5) and control unit (6), the logic control module (5) is connected to the control unit (6) through an address control line, the logic control module (5) receives a pulse signal and transmits it to the control unit (6) for processing, and A carrier unit (7) is connected through a control bus, and the carrier unit (7) is connected to the control unit (6) through a transceiving control line. 4. a kind of household meter relationship identification system based on concentrator and meter collection relationship according to claim 3, is characterized in that, described data concentrator (3) receives and stores meter reading data, and through its internal The demodulation instruction controls the internal transceiver and spread spectrum module (8) to access the data in the remote meter reading unit (2). 5. a kind of household meter relationship identification system based on concentrator and meter collection relationship according to claim 4, is characterized in that, described sending and receiving spread spectrum module (8) is embedded with AT instruction set, is used to control with instruction The remote meter reading unit (2) is controlled in a manner. 6. a kind of household meter relationship identification system based on concentrator and meter collection relationship according to claim 5, it is characterized in that, described transceiver spread spectrum module (8) is interconnected by spread spectrum communication carrier module (9) The central processing unit (4) uses the AT command set to synchronize the relevant data to the transceiving and spreading spectrum module (8) through the power carrier for spectrum spreading. 7. a kind of household meter relationship identification system based on concentrator and meter collection relationship according to claim 6, is characterized in that, described spread spectrum communication carrier module (9) transmits data matched filtering to carrier signal form to. the carrier unit (7). 8. A household meter relationship identification system based on the collection relationship between a concentrator and a meter according to claim 6, wherein the carrier communication range of the spread spectrum communication carrier module (9) is 50-200KHz. 9. A household meter relationship identification system based on the collection relationship between a concentrator and a meter according to claim 1, wherein a voltage detection circuit (10) is provided inside the data concentrator (3). 10. A household meter relationship identification system based on the collection relationship between a concentrator and a meter according to claim 9, wherein the voltage detection circuit (10) is connected to the central processing unit (4) through a communication unit .

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