CN112489412A - Intelligent meter reading system and method - Google Patents
Intelligent meter reading system and method Download PDFInfo
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H—ELECTRICITY
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Abstract
The invention discloses an intelligent meter reading system and a method, comprising the following steps: intelligent terminal equipment and intelligent equipment of checking meter, intelligent equipment of checking meter includes: the system comprises a control module, a remote meter reading module, an online interface module and an intelligent terminal device, wherein a first interface of the online interface module is connected with the control module, and a second interface of the online interface module is connected with the intelligent terminal device; the control module is used for receiving an operation instruction sent by the intelligent terminal equipment through the online interface module, controlling at least one remote meter reading module to acquire meter reading information of the intelligent electric meter according to the operation instruction, and sending the meter reading information to the intelligent terminal equipment through the online interface module; the intelligent terminal device is used for executing a preset meter reading program, generating a corresponding operation instruction, intelligently displaying meter reading information and sending the meter reading information to a server of the electric power metering system. The invention can send the meter reading instruction and receive the meter reading data through the intelligent terminal equipment, has diversified meter reading modes, is simple and convenient to operate, and improves the meter reading timeliness through a big data technology.
Description
Technical Field
The invention relates to the technical field of electric energy metering, in particular to an intelligent meter reading system and an intelligent meter reading method.
Background
The electric energy metering is an important link in a modern electric power marketing system, early electric energy metering is realized by manually arriving at a site regularly, metering data is obtained in a hand-copy writing mode, the meter reading efficiency is low, the input workload is large, the information quantity is large, the problems of missing reading and error reading are easy to occur, and the error rate is high.
Along with the construction and the perfection of an electric power information system, a meter reading machine gradually replaces a manual meter reading mode, an infrared meter reading system and a wireless communication system are configured in the conventional meter reading machine, the infrared communication is adopted for electric meter data transmission, the accuracy and the real meter reading rate of meter reading work are improved, the conventional meter reading machine mainly adopts an infrared meter reading mode, and the meter reading machine needs to be close to an electric meter to read meter reading information during meter reading work, so that the following problems exist: for an electric meter installed in a dangerous position, the existing meter reading machine has safety risks, when meter reading information is read, infrared data transmission signals are poor in stability, data fluctuation is large, meter reading data errors are large, meter reading information can be successfully obtained only by executing the meter reading information for many times, and meter reading progress and working efficiency are affected. In addition, the conventional meter reading machine has the following problems:
1. the weight is heavy, the volume is large, and the carrying is inconvenient for the outgoing operation;
2. the function module is single, an operator can only operate under the existing function module, the expandability is poor, and the meter reading working efficiency is low in the complex meter reading operation process;
3. the battery has short endurance time and low charging speed, and needs frequent charging by operators, thereby limiting the time of outgoing operation and influencing the working progress;
4. the operation mode adopts a mechanical key mode, the number of the arranged keys is large, the operation is complex, an operator can know the use mode of the meter reading machine for a long time, the on-site work is inconvenient, and the excessive keys easily cause misoperation to influence the meter reading work efficiency and accuracy.
Disclosure of Invention
The invention provides an intelligent meter reading system which can send meter reading instructions and receive meter reading data through intelligent terminal equipment and solves the problems that an existing meter reading machine is inconvenient to carry, single in meter reading mode, complex to operate and poor in signal stability.
In a first aspect, an embodiment of the present invention provides an intelligent meter reading system, including: intelligent terminal equipment and intelligent meter reading equipment, intelligent meter reading equipment includes: the system comprises a control module, at least one remote meter reading module and an online interface module, wherein the remote meter reading module and the online interface module are electrically connected with the control module; the online interface module comprises a first interface and a second interface, wherein the first interface is used for connecting the control module, and the second interface is used for connecting the intelligent terminal equipment; the control module is used for receiving an operation instruction sent by the intelligent terminal equipment through the online interface module, controlling the at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquiring meter reading information of the intelligent electric meter, and sending the meter reading information to the intelligent terminal equipment through the online interface module; the intelligent terminal equipment is also in communication connection with a server of the electric power metering system, and is used for executing a preset table look-up program, generating a corresponding operation instruction, intelligently displaying the meter reading information and sending the meter reading information to the server of the electric power metering system.
Optionally, the at least one remote meter reading module includes: one or more combinations of an infrared module and/or a Bluetooth module.
Optionally, the infrared module includes a first control unit, an infrared emission unit and an infrared reception unit, the first control unit is electrically connected to the control module, and the first control unit is configured to receive an infrared module operation instruction sent by the control module and control the infrared emission unit to output an infrared signal according to the infrared module operation instruction; the infrared receiving unit is used for sending an infrared meter reading signal; the infrared receiving unit is used for receiving an infrared feedback signal carrying meter reading information, sending the received infrared feedback signal to the first control unit for data processing, and sending a processing result to the intelligent terminal device.
Optionally, the bluetooth module includes a second control unit, a bluetooth transmitting unit and a bluetooth receiving unit, the second control unit is electrically connected to the control module, and the second control unit is configured to receive a bluetooth module operating instruction sent by the control module and output a power adjusting signal according to the bluetooth module operating instruction; the Bluetooth transmitting unit adjusts the transmitting power of the Bluetooth signal according to the power adjusting signal; the Bluetooth receiving unit is used for receiving a Bluetooth feedback signal carrying meter reading information, sending the received Bluetooth feedback signal to the second control unit for data processing, and sending a processing result to the intelligent terminal device; and the intelligent terminal equipment is also used for sending an operation instruction for increasing the Bluetooth transmitting power to the second control unit when the Bluetooth receiving unit does not receive the Bluetooth feedback signal.
Optionally, the control module includes a single chip, the single chip is provided with a serial interface and at least one communication expansion interface, and the serial interface is plugged with the first interface in a matching manner; the communication expansion interfaces are electrically connected with the remote meter reading modules in a one-to-one correspondence manner; the single chip microcomputer chip is used for receiving meter reading information sent by the remote meter reading module, carrying out data processing on the meter reading information to obtain an ammeter parameter, judging whether the ammeter parameter has a fault risk or not, and sending the ammeter parameter and a fault risk judgment result to the intelligent terminal equipment.
Optionally, the electric meter parameters include an electric meter reading, a voltage parameter and a current parameter flowing through the electric meter, and an electric meter cover opening recording parameter; the single chip microcomputer chip is used for judging whether voltage loss and current loss risks exist or not according to the voltage parameters and the current parameters and judging whether electricity stealing risks exist or not according to the ammeter uncovering recording parameters.
Optionally, the intelligent terminal device includes a communication unit, a terminal control unit, a first display unit, and an OTG interface; the OTG interface is in matched plug connection with the second interface; the terminal control unit is used for storing the ammeter parameters and storing the ammeter parameters according to a format of a preset table look-up log; the first display unit is used for displaying the ammeter parameters and fault alarm information corresponding to the fault risk according to a preset window format; the communication unit is in communication connection with a server of the electric power metering system, and is used for acquiring intrinsic parameter information of the intelligent electric meter stored in the server, sending the intrinsic parameter information to the first display unit for displaying, and sending the electric meter parameter and the fault risk judgment result to the server.
Optionally, the intelligent terminal device further includes an interface identification unit, where the interface identification unit is configured to detect a level signal value of the OTG interface, compare the level signal value with a preset voltage value, and determine whether a preset table look-up program needs to be started according to a comparison result.
Optionally, the intelligent meter reading equipment further comprises a power supply unit, an electric quantity detection unit and a second display unit, the power supply unit is electrically connected with the first interface, and the power supply unit is used for supplying power to an electric load of the intelligent meter reading equipment; the electric quantity detection unit is electrically connected with the control module and is used for detecting the residual electric quantity of the power supply unit and sending the residual electric quantity to the control module; the second display unit is electrically connected with the control module and is used for displaying one or more of the ammeter parameters, the fault risk judgment result and the residual electric quantity.
Optionally, the smart terminal device includes one or more combinations of a smart phone, a tablet computer, a notebook computer, a desktop computer, and a smart wearable device.
In a second aspect, an embodiment of the present invention further provides an intelligent meter reading method, including the following steps:
acquiring an operation instruction sent by intelligent terminal equipment;
and controlling at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquiring meter reading information of the intelligent electric meter, sending the meter reading information to the intelligent terminal equipment for intelligent display, and sending the meter reading information to a server of the electric power metering system.
The intelligent meter reading method provided by the embodiment of the invention is provided with intelligent terminal equipment and intelligent meter reading equipment, wherein the intelligent meter reading equipment comprises a control module, at least one remote meter reading module and an online interface module, the intelligent terminal equipment is in data interaction with the control module through the online interface module, sends an operation instruction through the intelligent terminal equipment, controls the at least one remote meter reading module to establish communication connection with an intelligent electric meter according to the operation instruction, acquires meter reading information of the intelligent electric meter, sends the meter reading information to the intelligent terminal equipment for intelligent display, and sends the meter reading information to a server of an electric power metering system for data storage, thereby solving the problems of inconvenient carrying, single meter reading mode, complex operation and poor signal stability of the existing meter reading machine, having simple structure and convenient carrying, and being provided with a plurality of meter reading modules, the meter reading method is diversified, the expandability of system functions is strong, the operation is simple and convenient, the data sharing is realized by utilizing a big data technology, the timeliness of electric power metering operation and meter reading operation is favorably improved, and the meter reading operation efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent meter reading system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an intelligent meter reading device according to an embodiment of the present invention;
fig. 3 is a top view of an intelligent meter reading device according to an embodiment of the present invention;
FIG. 4 is a side view of FIG. 3;
fig. 5 is a schematic structural diagram of an intelligent terminal device according to an embodiment of the present invention;
fig. 6 is a flowchart of an intelligent meter reading method according to a second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of an intelligent meter reading system according to an embodiment of the present invention, where the embodiment is applicable to an application scenario in which an intelligent terminal device is used to perform meter reading of an electric meter.
As shown in fig. 1, the intelligent meter reading system 100 includes: intelligent terminal equipment 10 and intelligent meter reading equipment 20, intelligent meter reading equipment 20 includes: the system comprises a control module 1, at least one remote meter reading module 2 and an online interface module 3, wherein the remote meter reading module 2 and the online interface module 3 are electrically connected with the control module 1, and the online interface module 3 is electrically connected with an intelligent terminal device 10; the online interface module 3 comprises a first interface I1 and a second interface I2, wherein the first interface I1 is used for connecting the control module 1, and the second interface I2 is used for connecting the intelligent terminal device 10; the control module 1 is used for receiving an operation instruction sent by the intelligent terminal device 10 through the online interface module 3, controlling at least one remote meter reading module 2 to establish communication connection with the intelligent electric meter 40 according to the operation instruction, acquiring meter reading information of the intelligent electric meter, and sending the meter reading information to the intelligent terminal device 10 through the online interface module 3; the intelligent terminal device 10 is further in communication connection with the server 30 of the electric power metering system, and the intelligent terminal device 10 is configured to execute a preset table look-up program, generate a corresponding operation instruction, intelligently display the meter reading information, and send the meter reading information to the server 30 of the electric power metering system.
The meter reading information comprises an electric meter asset number, a user number and an electric meter reading number, the server 30 of the electric power metering system is a server used for storing meter reading information and historical electricity consumption data of a plurality of intelligent electric meters, the server 30 of the electric power metering system comprises a cloud server, and the cloud server is in communication connection with the intelligent terminal device 10 through a wireless communication technology.
In this embodiment, the intelligent meter reading device 20 may be a meter reading device configured with a meter reading information processing algorithm and a serial interface, and performs data processing, judgment and forwarding on the operation instruction and the meter reading information, and is electrically connected to the intelligent terminal device 10 through the serial interface, and an operator performs operation control on the intelligent meter reading device 20 through an operation interface of the intelligent terminal device 10, and transmits the meter reading information acquired by the intelligent meter reading device 20 to the remote server 30 through the intelligent terminal device 10 in time.
In this embodiment, the online interface module 3 may be a USB-to-serial port transmission module, wherein the first interface I1 may be a serial data interface, the second interface I2 may be a USB interface, and an operator may electrically connect the first interface I1 with the serial interface of the intelligent meter reading device 20 and electrically connect the second interface I2 with the intelligent terminal device 10, so as to implement data and command interaction.
In this embodiment, the intelligent terminal device 10 is configured with a preset table look-up program, and when performing a meter reading operation, an operator may start the preset table look-up program at the intelligent terminal device 10, send an operation instruction to the intelligent meter reading device 20, and receive meter reading information sent by the intelligent meter reading device 20.
Specifically, after the intelligent meter reading device 20 is electrically connected with the intelligent terminal device 10 by using the online interface module 3, a preset table look-up program configured by the intelligent terminal device 10 starts to operate, an operator can input an operation instruction at the intelligent terminal device 10 according to the installation position of the intelligent meter to be checked and copied and the distance between an operation point and the intelligent meter, the operation instruction is sent to the control module 1 of the intelligent meter reading device 20 through the online interface module 3, the control module 1 executes the operation instruction sent by a mobile phone, a remote meter reading module 2 specified in the operation instruction is selected to establish communication connection with the intelligent meter to obtain meter reading information of the intelligent meter, the control module 1 analyzes the received meter reading information, and sends the analyzed data to the intelligent terminal device 10 through the online interface module 3, and the intelligent terminal device 10 displays the data required by the operator in the meter reading information according to a preset window format, meanwhile, the meter reading information is sent to the server 30 of the electric power metering system, so that data can be exported and stored in time, and the operation and maintenance team and team can check the state of the electric meter in time through the server 30 conveniently.
Therefore, the intelligent meter reading system provided by the embodiment of the invention is provided with the intelligent terminal device and the intelligent meter reading device, the intelligent meter reading device comprises a control module, at least one remote meter reading module and an online interface module, the intelligent terminal device performs data interaction with the control module through the online interface module, sends an operation instruction through the intelligent terminal device, controls the at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquires meter reading information of the intelligent electric meter, sends the meter reading information to the intelligent terminal device for intelligent display, and sends the meter reading information to a server of the electric power metering system for data storage, so that the problems of inconvenience in carrying, single meter reading mode, complex operation and poor signal stability of the existing meter reading machine are solved, the intelligent meter reading system is simple in structure and convenient to carry, and a plurality of meter reading modules are arranged, the meter reading method is diversified, the expandability of system functions is strong, the operation is simple and convenient, the data sharing is realized by utilizing a big data technology, the timeliness of electric power metering operation and meter reading operation is favorably improved, and the meter reading operation efficiency is improved.
Fig. 2 is a schematic structural diagram of an intelligent meter reading device according to an embodiment of the present invention. Fig. 3 is a top view of an intelligent meter reading device according to an embodiment of the present invention; fig. 4 is a side view of fig. 3.
Optionally, as shown in fig. 2 and 3, the at least one remote meter reading module 2 includes: one or more combinations of infrared module 201 and/or bluetooth module 202.
The infrared module 201 is used for establishing communication connection between the intelligent meter reading device 20 and the intelligent electric meter by adopting infrared light waves, and acquiring meter reading information stored by the intelligent electric meter by acquiring infrared signals sent by the intelligent electric meter; the bluetooth module 202 is used for establishing communication connection between the intelligent meter reading device 20 and the intelligent electric meter by using bluetooth signals, and acquiring meter reading information stored by the intelligent electric meter by acquiring the bluetooth signals sent by the intelligent electric meter.
In this embodiment, the bluetooth module 202 uses frequency hopping spread spectrum technology to perform communication, and supports a point-to-multipoint communication method, and multiple bluetooth units share one channel and use the same frequency hopping sequence. The bluetooth module 202 in the intelligent meter reading device 20 and the smart meters equipped with the bluetooth communication units form a piconet (piconet) with a miniature network structure through a bluetooth technology, the bluetooth communication units in the piconet communicate in a master-slave mode, and the bluetooth communication units perform physical addressing according to 3-bit addresses, so that at most the bluetooth module 202 in the intelligent meter reading device 20 and the bluetooth communication units in 7 smart meters can be activated simultaneously in one piconet at the same time, and piconets at different times can be interconnected to form a stackable scattering network, thereby being beneficial to realizing real-time communication and data interaction among a plurality of devices.
Optionally, as shown in fig. 2, the infrared module 201 includes a first control unit 210, an infrared emitting unit 220, and an infrared receiving unit 230, where the first control unit 210 is electrically connected to the control module 1, and the first control unit 210 is configured to receive an infrared module operation instruction sent by the control module 1, and control the infrared emitting unit 220 to output an infrared signal according to the infrared module operation instruction; the infrared receiving unit 230 is used for sending an infrared meter reading signal; the infrared receiving unit 230 is configured to receive an infrared feedback signal carrying meter reading information, send the received infrared feedback signal to the first control unit 210 for data processing, and send a processing result to the intelligent terminal device 10.
In this embodiment, the smart electric meter 40 is provided with the infrared unit 401, the smart electric meter collects the number of readings of the smart electric meter, the voltage parameter and the current parameter flowing through the smart electric meter in real time, and the opening recording parameter of the smart electric meter, modulates and encrypts the parameters according to a preset infrared communication protocol, and periodically transmits the modulated parameters to the outside through infrared light waves, and the infrared module 201 collects infrared feedback signals sent by the smart electric meter 40 to obtain meter reading information stored by the smart electric meter.
It should be noted that, persons skilled in the art may set the preset infrared communication protocol according to the frequency band of the infrared lightwave signal, and the preset infrared communication protocol is not limited thereto.
Specifically, when performing meter reading operation, an operator may start a preset table look-up program at the intelligent terminal device 10, send an infrared module operation instruction to the control module 1 through the online interface module 3, further, the control module 1 sends the infrared module operation instruction to the first control unit 210, the first control unit 210 controls the infrared emission unit 220 to send an infrared meter reading signal according to the infrared module operation instruction, the smart meter affects the infrared meter reading signal, and sends out an infrared feedback signal, the first control unit 210 further controls the infrared module 201 to periodically collect the surrounding infrared feedback signal, and carries out data processing such as decryption, demodulation and the like on the infrared feedback signal to obtain meter reading information stored by the intelligent electric meter, and sends the obtained meter reading information to the control module 1, and sending the meter reading information to the intelligent terminal device 10 through the control module 1 and the online interface module 3.
Optionally, as shown in fig. 2, the bluetooth module 202 includes a second control unit 240, a bluetooth transmitting unit 250 and a bluetooth receiving unit 260, the second control unit 240 is electrically connected to the control module 1, and the second control unit 240 is configured to receive a bluetooth module operation instruction sent by the control module 1, and output a power adjustment signal according to the bluetooth module operation instruction; the Bluetooth transmitting unit 250 adjusts the transmitting power of the Bluetooth meter reading signal according to the power adjusting signal; the bluetooth receiving unit 260 is configured to receive a bluetooth feedback signal carrying meter reading information, send the received bluetooth feedback signal to the second control unit 240 for data processing, and send a processing result to the intelligent terminal device 10; the intelligent terminal device 10 is further configured to send an operation instruction for increasing the bluetooth transmission power to the second control unit 240 when the bluetooth receiving unit 260 does not receive the bluetooth feedback signal.
In this embodiment, the smart electric meter 40 is provided with a bluetooth unit 402, the smart electric meter collects the number of readings of the smart electric meter, the voltage parameter and the current parameter flowing through the smart electric meter in real time, and the uncapping recording parameter of the smart electric meter, modulates and encrypts the parameters according to a preset bluetooth communication protocol, periodically sends the modulated parameters to the outside through bluetooth feedback signals, and the infrared module 201 collects the bluetooth feedback signals sent by the smart electric meter to obtain the meter reading information stored by the smart electric meter.
It should be noted that, those skilled in the art may set the preset bluetooth communication protocol according to the frequency band of the bluetooth signal, and the method is not limited thereto.
Specifically, when performing meter reading operation, an operator may start a preset table look-up program at the intelligent terminal device 10, send an infrared module operation instruction to the control module 1 through the online interface module 3, further, the control module 1 sends the bluetooth module operation command to the second control unit 240, the second control unit 240 controls the bluetooth transmitting unit 250 to send a bluetooth meter reading signal according to the bluetooth module operation command, and the transmitting power of the Bluetooth meter reading signal is adjusted according to the Bluetooth module operating instruction, the intelligent ammeter influences the Bluetooth meter reading signal, and sends out bluetooth feedback signals, the second control unit 240 controls the bluetooth receiving unit 260 to periodically collect surrounding bluetooth feedback signals, and data processing such as decryption and demodulation is carried out on the Bluetooth feedback signal to obtain meter reading information stored by the intelligent electric meter, the obtained meter reading information is sent to the control module 1, and sending the meter reading information to the intelligent terminal device 10 through the control module 1 and the online interface module 3.
Optionally, the control module 1 includes a single chip microcomputer chip, the single chip microcomputer chip is provided with a serial interface and at least one communication expansion interface, and the serial interface is in matching plug-in connection with the first interface I1; the communication expansion interfaces are electrically connected with the remote meter reading modules 2 in a one-to-one correspondence manner; the single chip microcomputer chip is used for receiving the meter reading information sent by the remote meter reading module 2, performing data processing on the meter reading information to obtain an ammeter parameter, judging whether the ammeter parameter has a fault risk, and sending the ammeter parameter and a fault risk judgment result to the intelligent terminal device 10.
In this embodiment, the one-chip microcomputer chip may be an STM32 one-chip microcomputer chip, and the STM32 one-chip microcomputer chip is provided with a serial interface, and is electrically connected to the intelligent terminal device 10 through the serial interface. The STM32 single chip microcomputer chip stores a meter reading information processing algorithm, in the meter reading process, the meter reading information processing algorithm analyzes the operation instruction, sends the analyzed operation instruction to the corresponding remote meter reading module 2, and controls the remote meter reading module 2 to obtain meter reading information. The meter reading information processing algorithm also performs data processing on the meter reading information, compares the obtained electric meter parameters with prestored data, judges whether fault risks exist or not, and sends the electric meter parameters and the fault risk judgment result to the intelligent terminal device 10 for storage and display.
Optionally, the ammeter parameters include an ammeter reading, a voltage parameter and a current parameter flowing through the ammeter, and ammeter uncovering recording parameters, and the single chip microcomputer chip is used for judging whether a voltage loss and current loss risk exists according to the voltage parameter and the current parameter, and judging whether an electricity stealing risk exists according to the ammeter uncovering recording parameters.
Specifically, the single chip microcomputer chip can be used for executing a meter reading information processing algorithm, comparing the voltage parameter with a preset voltage threshold value, comparing the current parameter with a preset current threshold value, judging whether a voltage loss and current loss risk exists according to a comparison result, and sending a voltage loss and current loss warning signal to the intelligent terminal device 10 to prompt an operator that an ammeter fault exists or a line is abnormal; the single chip microcomputer chip can also be used for executing a meter reading information processing algorithm, the ammeter uncovering recording parameters are compared with pre-stored meter-opening logs, whether electricity stealing risks exist or not is judged according to comparison results, electricity stealing warning signals are sent to the intelligent terminal device 10, the intelligent terminal device 10 sends the electricity stealing warning signals to a server 30 of an electric power metering system, personnel of a transportation and inspection team can check whether electricity stealing risks exist or not through the electric power metering system, and operation personnel are prompted of ammeter faults or circuit abnormity.
Optionally, as shown in fig. 2 and 4, the intelligent meter reading device 20 further includes a power supply unit 270, an electric quantity detection unit 280, and a second display unit 290, where the power supply unit 270 is electrically connected to the first interface I1, and the power supply unit 270 is configured to supply power to an electric load of the intelligent meter reading device 20; the electric quantity detection unit 280 is electrically connected with the control module 1, and the electric quantity detection unit 280 is used for detecting the residual electric quantity of the power supply unit 270; the second display unit 290 is electrically connected to the control module 1, and the second display unit 290 is configured to display one or more of an electric meter parameter, a fault risk determination result, and a remaining power.
In this embodiment, the second display unit 290 includes an LCD display screen 291, the control module 1 receives the meter reading information collected by the remote meter reading module 2, the control module 1 executes a meter reading information processing algorithm, obtains an electric meter parameter and a fault risk determination result through operation processing, and sends the electric meter parameter and the remaining power to the second display unit 290 for display.
In this embodiment, the second display unit 290 further includes an indicator lamp 292 for displaying the failure risk judgment result.
Fig. 5 is a schematic structural diagram of an intelligent terminal device according to an embodiment of the present invention.
Optionally, as shown in fig. 5, the intelligent terminal device 10 includes a communication unit 101, a terminal control unit 102, a first display unit 103, and an OTG interface 104; the OTG interface 104 is matched and plugged with a second interface I2; the terminal control unit 102 is used for storing the electric meter parameters and storing the electric meter parameters according to a format of a preset table look-up log; the first display unit 103 is used for displaying the ammeter parameters, the operation instruction selection buttons and the fault alarm information corresponding to the fault risk according to a preset window format; the communication unit 101 is in communication connection with the server 30 of the power metering system, and the communication unit 101 is configured to acquire intrinsic parameter information of the smart meter stored in the server 30, send the intrinsic parameter information to the first display unit 103 for display, and send the meter parameter and the fault risk determination result to the server 30.
The intrinsic parameter information of the intelligent electric meter comprises an electric meter asset number, a user number and a power distribution station area user variable relation parameter.
In this embodiment, the display scheme may include one or more window windows according to a preset window format, in which a main window and a plurality of auxiliary windows may be set, and the size of the main window is set to be larger than that of the auxiliary windows, each window is used to display different ammeter parameters and operation instruction selection buttons, and the display scheme further includes a pop-up window according to the preset window format, and the pop-up window is used to display fault alarm information corresponding to a fault risk.
In this embodiment, the intelligent terminal device 10 performs serial data transceiving and driver downloading through the OTG interface 104, does not need root authority, supports plug and play, and has a high data transmission rate. The OTG interface 104 is also used for the intelligent terminal device 10 to supply power to the intelligent meter reading device 20, so that the problem that the meter reading device cannot work due to insufficient electric quantity is avoided, and the meter reading efficiency is improved.
Specifically, the intelligent terminal device 10 configures a preset table look-up program, after the OTG interface 104 is matched and plugged with the second interface I2, starts to operate the preset table look-up program, drives the communication unit 101 to be in communication connection with the server 30 of the electric power metering system, obtains the intrinsic parameter information of the electric meter stored in the server 30 of the electric power metering system, and displays the intrinsic parameter information of the electric meter in the window of the first display unit 103 according to the preset window format, so that an operator can check the user-to-user relationship and the abnormal data condition conveniently; an operator touches an operation instruction selection button of the first display unit according to the environmental requirements of meter reading operation, generates an operation instruction according to a corresponding meter reading mode, and sends the operation instruction to the control module 1 of the intelligent meter reading device 20 through the OTG interface 104.
Furthermore, the control module 1 controls the corresponding remote meter reading module 2 to collect meter reading information according to the operation instruction, the OTG interface 104 receives the electric meter parameters and the fault alarm information sent back by the control module 1, sends the electric meter parameters to the terminal control unit 102 for storage, and sends the electric meter parameters and the fault alarm information to the corresponding window of the first display unit 103 for display, so that an operator can check the meter reading information in time, and the operator can be reminded of the existence of electric meter fault or line abnormality in time; the communication unit 101 further sends the electric meter parameters and the fault risk judgment result to the server 30, and if the existence of the electricity stealing risk is detected, the electricity stealing risk is sent to the operation and maintenance team through the server 30.
It should be understood that the electric meter parameters generate an excel storage list according to a format of a preset table lookup log, and the electric meter parameters stored in the terminal control unit 102 can be exported for standby use as required, so that data missing caused by communication network faults is avoided, and the operation efficiency is improved.
Optionally, the intelligent terminal device 10 further includes an interface identification unit, and the interface identification unit is configured to detect a level signal value of the OTG interface 104, compare the level signal value with a preset voltage value, and determine whether to start a preset table look-up program according to a comparison result.
In this embodiment, if the OTG interface 104 is plugged into the data line, the interface identification unit starts to detect a level signal value of the OTG interface 104, and if the level signal value is equal to a preset voltage value, it is determined that the online interface module 3 is in matching plug-in connection with the OTG interface 104, a preset table lookup program is started, and a window is popped up to remind an operator of performing a table lookup operation; if the level signal value is not equal to the preset voltage value, the online interface module 3 is judged not to be matched and plugged with the OTG interface 104, and the preset table look-up program is not started, so that the false triggering of the meter reading program caused by the plugging and unplugging of equipment other than meter reading equipment is avoided, meanwhile, the reliability fault caused by the operation that the plugging and unplugging of a data line cannot be in place is avoided, and the operation safety is improved.
Optionally, the smart terminal device 10 includes one or more of a smart phone, a tablet computer, a notebook computer, a desktop computer, and a smart wearable device.
Example two
The second embodiment of the invention provides an intelligent meter reading method, and fig. 6 is a flowchart of the intelligent meter reading method provided by the second embodiment of the invention. As shown in fig. 6, the intelligent meter reading method includes the following steps:
step S1: and acquiring an operation instruction sent by the intelligent terminal equipment.
Step S2: and controlling at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction.
Step S3: the method comprises the steps of obtaining meter reading information of the intelligent electric meter, sending the meter reading information to intelligent terminal equipment for intelligent display, and sending the meter reading information to a server of the electric power metering system.
Optionally, the at least one remote meter reading module comprises: one or more combinations of an infrared module and/or a Bluetooth module.
Optionally, the intelligent meter reading method further comprises the steps of obtaining an infrared module operation instruction, and controlling the infrared module to send an infrared meter reading signal according to the infrared module operation instruction; acquiring an infrared feedback signal carrying meter reading information, performing data processing on the received infrared feedback signal, and sending a processing result to the intelligent terminal equipment.
Optionally, the intelligent meter reading method further comprises a bluetooth module operation instruction, outputting a power adjusting signal according to the bluetooth module operation instruction, and adjusting the transmitting power of the bluetooth meter reading signal according to the power adjusting signal; and acquiring a Bluetooth feedback signal carrying meter reading information, performing data processing on the received Bluetooth feedback signal, and sending a processing result to the intelligent terminal equipment.
Optionally, the intelligent meter reading method further includes increasing the transmission power of the bluetooth meter reading signal if the bluetooth feedback signal is not received.
Optionally, the intelligent meter reading method further includes acquiring meter reading information sent by the remote meter reading module, performing data processing on the meter reading information to obtain an electric meter parameter, judging whether the electric meter parameter has a fault risk, and sending the electric meter parameter and a fault risk judgment result to the intelligent terminal device.
Optionally, the electric meter parameters include electric meter reading, voltage parameters and current parameters flowing through the electric meter, and electric meter cover opening recording parameters; the intelligent meter reading method also comprises the steps of judging whether the voltage loss and current loss risks exist according to the voltage parameters and the current parameters, and judging whether the electricity stealing risks exist according to the electricity meter cover opening recording parameters.
Optionally, the intelligent meter reading method further comprises executing a preset table look-up program, acquiring the electric meter parameters, and storing the electric meter parameters according to a format of a preset table look-up log; displaying an operation instruction selection button, ammeter parameters and fault alarm information corresponding to the fault risk according to a preset window format; the method comprises the steps of establishing communication connection between the intelligent terminal device and a server of the electric power metering system, obtaining intrinsic parameter information of the intelligent electric meter stored by the server, displaying the intrinsic parameter information on the intelligent terminal device, and sending electric meter parameters and fault risk judgment results to the server.
Optionally, the intelligent meter reading method further includes acquiring a level signal value of the OTG interface, comparing the level signal value with a preset voltage value, and determining whether a preset table look-up program needs to be started according to a comparison result.
The intelligent meter reading method provided by the embodiment of the invention is provided with intelligent terminal equipment and intelligent meter reading equipment, wherein the intelligent meter reading equipment comprises a control module, at least one remote meter reading module and an online interface module, the intelligent terminal equipment performs data interaction with the control module through the online interface module, sends an operation instruction through the intelligent terminal equipment, controls the at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquires meter reading information of the intelligent electric meter, sends the meter reading information to the intelligent terminal equipment for intelligent display, and sends the meter reading information to a server of an electric power metering system for data storage, thereby solving the problems of inconvenient carrying, single meter reading mode, complex operation and poor signal stability of the existing meter reading machine, having simple structure, convenient carrying, various meter reading modules and diversified meter reading modes, the intelligent terminal device is high in function expandability, simple and convenient to operate, and capable of achieving data sharing by means of a big data technology, improving timeliness of electric power metering operation and meter reading operation and improving meter reading operation efficiency.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An intelligent meter reading system, comprising: intelligent terminal equipment and intelligent meter reading equipment, intelligent meter reading equipment includes: the control module is electrically connected with at least one remote meter reading module and an online interface module;
the online interface module comprises a first interface and a second interface, wherein the first interface is used for connecting the control module, and the second interface is used for connecting the intelligent terminal equipment;
the control module is used for receiving an operation instruction sent by the intelligent terminal equipment through the online interface module, controlling the at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquiring meter reading information of the intelligent electric meter, and sending the meter reading information to the intelligent terminal equipment through the online interface module;
the intelligent terminal equipment is also in communication connection with a server of the electric power metering system, and is used for executing a preset table look-up program, generating a corresponding operation instruction, intelligently displaying the meter reading information and sending the meter reading information to the server of the electric power metering system.
2. The intelligent meter reading system according to claim 1, wherein the at least one remote meter reading module comprises: one or more combinations of an infrared module and/or a Bluetooth module.
3. The intelligent meter reading system according to claim 2, wherein the infrared module comprises a first control unit, an infrared emission unit and an infrared reception unit, the first control unit is electrically connected with the control module, and the first control unit is configured to receive an infrared module operation instruction sent by the control module and control the infrared emission unit to output an infrared signal according to the infrared module operation instruction;
the infrared receiving unit is used for sending an infrared meter reading signal;
the infrared receiving unit is used for receiving an infrared feedback signal carrying meter reading information, sending the received infrared feedback signal to the first control unit for data processing, and sending a processing result to the intelligent terminal device.
4. The intelligent meter reading system according to claim 2, wherein the bluetooth module comprises a second control unit, a bluetooth transmitting unit and a bluetooth receiving unit, the second control unit is electrically connected with the control module, and the second control unit is configured to receive a bluetooth module operating instruction sent by the control module and output a power adjusting signal according to the bluetooth module operating instruction;
the Bluetooth transmitting unit adjusts the transmitting power of the Bluetooth meter reading signal according to the power adjusting signal;
the Bluetooth receiving unit is used for receiving a Bluetooth feedback signal carrying meter reading information, sending the received Bluetooth feedback signal to the second control unit for data processing, and sending a processing result to the intelligent terminal device;
and the intelligent terminal equipment is also used for sending an operation instruction for increasing the Bluetooth transmitting power to the second control unit when the Bluetooth receiving unit does not receive the Bluetooth feedback signal.
5. The intelligent meter reading system according to any one of claims 1 to 4, wherein the control module comprises a single chip, the single chip is provided with a serial interface and at least one communication expansion interface, and the serial interface is in matched plug connection with the first interface; the communication expansion interfaces are electrically connected with the remote meter reading modules in a one-to-one correspondence manner;
the single chip microcomputer chip is used for receiving meter reading information sent by the remote meter reading module, carrying out data processing on the meter reading information to obtain an ammeter parameter, judging whether the ammeter parameter has a fault risk or not, and sending the ammeter parameter and a fault risk judgment result to the intelligent terminal equipment.
6. The smart meter reading system according to claim 5, wherein the meter parameters include an electricity meter reading, a voltage parameter and a current parameter flowing through the meter, and an electricity meter decap recording parameter;
the single chip microcomputer chip is used for judging whether voltage loss and current loss risks exist or not according to the voltage parameters and the current parameters and judging whether electricity stealing risks exist or not according to the ammeter uncovering recording parameters.
7. The intelligent meter reading system according to claim 5, wherein the intelligent terminal device comprises a communication unit, a terminal control unit, a first display unit and an OTG interface;
the OTG interface is in matched plug connection with the second interface;
the terminal control unit is used for storing the ammeter parameters and storing the ammeter parameters according to a format of a preset table look-up log;
the first display unit is used for displaying an operation instruction selection button, the ammeter parameters and fault alarm information corresponding to the fault risk according to a preset window format;
the communication unit is in communication connection with a server of the electric power metering system, and is used for acquiring intrinsic parameter information of the intelligent electric meter stored in the server, sending the intrinsic parameter information to the first display unit for displaying, and sending the electric meter parameter and the fault risk judgment result to the server.
8. The intelligent meter reading system according to claim 7, wherein the intelligent terminal device further comprises an interface identification unit, and the interface identification unit is configured to detect a level signal value of the OTG interface, compare the level signal value with a preset voltage value, and determine whether a preset table look-up procedure needs to be started according to a comparison result.
9. The intelligent meter reading system according to claim 5, wherein the intelligent meter reading device further comprises a power supply unit, an electric quantity detection unit and a second display unit, the power supply unit is electrically connected with the first interface, and the power supply unit is used for supplying power to an electric load of the intelligent meter reading device;
the electric quantity detection unit is electrically connected with the control module and is used for detecting the residual electric quantity of the power supply unit and sending the residual electric quantity to the control module;
the second display unit is electrically connected with the control module and is used for displaying one or more of the ammeter parameters, the fault risk judgment result and the residual electric quantity.
10. An intelligent meter reading method is characterized by comprising the following steps:
acquiring an operation instruction sent by intelligent terminal equipment;
and controlling at least one remote meter reading module to establish communication connection with the intelligent electric meter according to the operation instruction, acquiring meter reading information of the intelligent electric meter, and sending the meter reading information to the intelligent terminal equipment for intelligent display.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112907933A (en) * | 2021-03-15 | 2021-06-04 | 宁波三星医疗电气股份有限公司 | Meter reading method of electric energy meter |
| CN113810788A (en) * | 2021-08-06 | 2021-12-17 | 国网河北省电力有限公司营销服务中心 | Intelligent ammeter information transmission method and device and terminal equipment |
| CN114186798A (en) * | 2021-11-19 | 2022-03-15 | 国网浙江省电力有限公司 | Information processing method and system for improving demand response effectiveness of power consumer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150035682A1 (en) * | 2012-03-01 | 2015-02-05 | Panasonic Corporation | Slave suitable for energy management systems and energy management system |
| CN104574901A (en) * | 2014-12-17 | 2015-04-29 | 深圳市银河表计股份有限公司 | Meter reading method and meter reading system for electric meter |
| CN106980101A (en) * | 2017-05-18 | 2017-07-25 | 国网河北省电力公司衡水供电分公司 | Intelligent electric energy meter data acquisition and analytical equipment |
| CN207852074U (en) * | 2017-12-28 | 2018-09-11 | 南京工程学院 | A kind of automatic data logging harvester |
| CN110139262A (en) * | 2019-06-10 | 2019-08-16 | Oppo广东移动通信有限公司 | Bluetooth communication control method and Related product |
-
2020
- 2020-11-16 CN CN202011281579.5A patent/CN112489412A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150035682A1 (en) * | 2012-03-01 | 2015-02-05 | Panasonic Corporation | Slave suitable for energy management systems and energy management system |
| CN104574901A (en) * | 2014-12-17 | 2015-04-29 | 深圳市银河表计股份有限公司 | Meter reading method and meter reading system for electric meter |
| CN106980101A (en) * | 2017-05-18 | 2017-07-25 | 国网河北省电力公司衡水供电分公司 | Intelligent electric energy meter data acquisition and analytical equipment |
| CN207852074U (en) * | 2017-12-28 | 2018-09-11 | 南京工程学院 | A kind of automatic data logging harvester |
| CN110139262A (en) * | 2019-06-10 | 2019-08-16 | Oppo广东移动通信有限公司 | Bluetooth communication control method and Related product |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112907933A (en) * | 2021-03-15 | 2021-06-04 | 宁波三星医疗电气股份有限公司 | Meter reading method of electric energy meter |
| CN113810788A (en) * | 2021-08-06 | 2021-12-17 | 国网河北省电力有限公司营销服务中心 | Intelligent ammeter information transmission method and device and terminal equipment |
| CN114186798A (en) * | 2021-11-19 | 2022-03-15 | 国网浙江省电力有限公司 | Information processing method and system for improving demand response effectiveness of power consumer |
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