CN204925242U - An automatic power collection system equipped with a remote monitoring terminal - Google Patents

Abstract

The utility model provides an automatic electric quantity acquisition system with a remote monitoring terminal, which comprises an electric quantity acquisition device and a remote monitoring terminal in communication connection with the electric quantity acquisition device, wherein the electric quantity acquisition device comprises a shell, an acquisition chip, a microprocessor and a memory, wherein the acquisition chip, the microprocessor and the memory are arranged in the shell; the remote monitoring terminal comprises a processor and an alarm, the processor comprises a data processing unit and a data monitoring unit which are connected in a communication mode, the data processing unit receives the electric quantity collected by the microprocessor and sends the electric quantity to the data monitoring unit after the electric quantity is processed, the input end of the data monitoring unit is connected with the output end of the data processing unit, and the output end of the data monitoring unit is connected with the input end of the alarm. The utility model discloses can realize gathering the settlement electric quantity of different electric energy meters at appointed moment automatically to owing to be equipped with remote monitoring terminal, can make the system in time send alarm signal when discovering self anomaly.

Description

An automatic power collection system equipped with a remote monitoring terminal

technical field

The utility model relates to the field of electricity collection in new energy power plants, in particular to an automatic electricity collection system provided with a remote monitoring terminal.

Background technique

As a kind of energy, electricity occupies an extremely important and irreplaceable position in the production of national economy. The same new energy power plant has different state subsidy fees for each phase of the power generation project, resulting in different electricity tariff standards for different power generation devices of the same new energy power plant. The electricity of the electric energy meter of the different power generation devices of the plant can be accurately measured for the electricity of the power plant. Now, the work of collecting electricity in power plants is mainly collected by the employees of the power plants themselves, and submit relevant data to the measurement unit. However, the current manual electricity collection scheme is low in efficiency and wastes manpower and material resources. Ensure the accuracy of the CC data.

In order to solve this problem, new energy power plant power collection devices have been developed in recent years, which can directly collect, store and transfer the metering and billing information collected and generated by the gateway meters of power plants and substations. Billing information, and the gateway electricity of the gateway meter needs to be apportioned according to different settlement subjects and different electricity prices of multiple electric energy meters, resulting in inaccurate collection of electricity charge information, and there is a delay when the existing electric energy collection device collects electric energy meter data In this situation, the late data will cover the previous data, and the data of each electric energy meter at a certain point in time cannot be accurately extracted, which brings difficulties to the electric energy collection work of the power plant.

On the other hand, the existing electricity collection terminal lacks a remote monitoring terminal, and cannot timely and accurately collect the settlement electricity collected by multiple electric energy meters, resulting in inaccurate electricity collection data and affecting the electricity settlement of each power plant.

Utility model content

In order to solve the shortcomings of inaccurate power data collection and time delay in the collected data in the existing electric energy collection devices mentioned above, the utility model provides an automatic electric power collection system equipped with a remote monitoring terminal, which can collect power generation The factory checks the electricity of the electric energy meter, reads the required billing and measurement information, and monitors the electricity collection data through the remote monitoring terminal to ensure the accuracy of the electricity collection data.

Specifically, the utility model provides an automatic power collection system provided with a remote monitoring terminal, which includes a power collection device and a remote monitoring terminal communicatively connected to it, the power collection device includes a housing and is arranged inside the housing An acquisition chip, a microprocessor and a memory, the input ends of the acquisition chip are connected to the output ends of a plurality of electric energy meters respectively, the output end of the acquisition chip is connected to an input end of the microprocessor, and the microprocessor The first output end of the microprocessor is connected to an input end of the memory, the second output end of the microprocessor is connected to the input end of the remote monitoring terminal, and the remote monitoring terminal includes a processor and an alarm, and the processor It includes a data processing unit and a data monitoring unit connected by mutual communication, the data processing unit receives the electricity collected by the microprocessor and sends it to the data monitoring unit after processing, the input terminal of the data monitoring unit The output end of the data processing unit is connected, and the output end of the data monitoring unit is connected to the input end of the alarm.

Preferably, the housing includes a front panel and a rear panel, the front panel is provided with a display screen, operation buttons, communication ports, communication indicator lights and power indicator lights, and the rear panel is provided with a power line interface, a power supply switch and alternate network ports.

Preferably, the acquisition chip is an RS485 chip, and the RS485 chip is respectively connected to the RS485 interfaces of a plurality of electric energy meters through the RS485 data bus of the access circuit.

Preferably, the microprocessor is a single-chip microcomputer, and an IO port of the single-chip microcomputer is connected to the receiving and sending ends of the RS485 chip through an optocoupler, and is used to control the data receiving and sending of the RS485 chip.

Preferably, the differential data end of the RS485 chip is connected to the twisted-pair data line of the RS485 data bus, and the shielded line of the RS485 data bus is connected to the ground wire of the circuit.

Preferably, the single-chip microcomputer is connected to the remote monitoring terminal through an RS232 chip.

Preferably, the processor of the remote monitoring terminal further includes a historical data acquisition unit and a data output unit, the historical data acquisition unit communicates with the microprocessor, and the output terminal of the historical data acquisition unit is connected to the data The input of the output unit.

Preferably, the processor is communicatively connected with a clock chip, and the clock chip is provided with three sets of pin ports, wherein the first pin port is connected to a power supply, the second pin port is a crystal oscillator port connected to a quartz crystal oscillator, and the third pin port The port is the communication data port.

Preferably, both the power collection device and the remote monitoring terminal are provided with operation buttons, and the operation buttons include an on/off button, a restart button and a touch operation screen.

Preferably, the alarm is an indicator light or a buzzer.

The advantages of the utility model are as follows:

The utility model can separately collect the settlement electric quantity data of different electric energy meters, so as to ensure the accuracy of the settlement electric quantity of electric energy meters with different electric prices. It can accurately collect and read the electricity of the electric meters with different electricity prices in each power plant, and can collect the electricity of all the electric energy meters at the settlement point at the same time specified. Guarantee the accuracy of the settlement electricity of different electric energy meters in the power plant.

The remote monitoring terminal of the utility model also has local and remote alarm functions, and the system can send out alarm information when it finds itself abnormal and the monitored device is abnormal.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic block diagram of the utility model;

Fig. 3 is a circuit diagram of the electric quantity collection device of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, structure and working principle of the present utility model are further explained:

The utility model provides an automatic power collection system provided with a remote monitoring terminal, as shown in Figure 1, which includes a power collection device 1 and a remote monitoring terminal 2, and the power collection device 1 and the remote monitoring terminal 2 are connected to each other through communication. The power collection device 1 collects the settlement power of multiple electric energy meters 3 and the operating conditions of the electric energy meters 3, and uploads the collected electric quantity information and the operating conditions of the electric energy meters to the remote monitoring terminal 2, and the remote monitoring terminal 2 detects Information and threshold value, to verify the received power information and the operating status of the electric energy meter. If the received electric energy information is incorrect or the operating status of the electric energy meter 3 fails, the remote monitoring terminal 2 will send an alarm and report to the electric energy collection device 1 Send an instruction to re-collect the electric energy of the electric energy meter. The remote monitoring terminal 2 can query the received power information of multiple electric energy meters according to the time, and can output it in the form of a table for the staff to check, so as to understand the settlement electricity of the settlement points of multiple electric energy meters in the power plant simply, intuitively and accurately information, avoiding the problems of low efficiency and inaccuracy of manual collection.

As shown in FIG. 2 , the power collection device 1 includes a housing 11 and an acquisition chip 12, a microprocessor 13 and a memory 14 arranged inside the housing 11. The input end of the acquisition chip 12 is connected to the output ends of a plurality of electric energy meters 3, It is used to collect the settlement power information and operating conditions of a plurality of electric energy meters 3, and the output terminal of the collection chip 12 is connected to an input terminal of the microprocessor 13, and is used to send the collected settlement power information and operating conditions to the microprocessor 13, An output end of the microprocessor 13 is connected to an input end of the memory 14 for storing the received settlement power information, and another output end of the microprocessor 13 is connected to the input end of the remote monitoring terminal 2 for collecting The settlement electricity information and the operating status of the electric energy meter 3 are sent to the remote monitoring terminal 2.

The housing 11 includes a front panel and a rear panel. The front panel is provided with a display screen 16, an on/off key 171, a reset key 172, a touch operation screen 17, a communication port 18, a communication indicator light 19 and a power indicator light 20. The rear panel A power cord interface, a power switch and a spare network port are arranged on the top. The power indicator light 20 can indicate the running state of the equipment, and when a fault occurs, it will flash and give an alarm.

Mounting plates 100 are provided on both sides of the housing 11 for quick installation, and screw holes 101 are provided on the ends of the mounting plate 100 .

The acquisition chip 12 is connected to a plurality of electric energy meters 3 through data lines, and is used to collect the settlement electricity of the plurality of electric energy meters 3, and communicates and transmits to the microprocessor 13, and after processing the settlement electric quantity data, stores it through the memory 14, and then It is displayed on the display screen 16 as required.

Preferably, in this embodiment, as shown in Figure 3, the acquisition chip 12 is an RS485 chip, and the RS485 chip is connected to the RS485 interface of a plurality of electric energy meters 3 through the RS485 data bus, and is used to collect the data of a plurality of different electric energy meters 3. Settle the electricity, and send the settled electricity of different electric energy meters to the microcontroller 13 differently.

The microprocessor 13 is a single-chip microcomputer, and an IO port of the single-chip microcomputer is connected with the receiving end and the sending end of the RS485 chip through an optocoupler, and is used to control the data receiving and sending of the RS485 chip. It adopts optocoupler isolation, which can better guarantee the RS485 chip acquisition The accuracy of the settlement electricity of the electric energy meter 3.

The differential data end of the RS485 chip is connected to the twisted-pair data wire of the RS485 data bus, and the shielded wire of the RS485 data bus is connected to the ground wire of the circuit.

Preferably, the single-chip microcomputer is connected to the remote monitoring terminal 2 through the RS232 chip 100 for data communication.

The remote monitoring terminal 2 includes a processor 21 and an alarm 22. The processor 21 includes a data processing unit 211 and a data monitoring unit 212. The data processing unit 211 receives the settlement power and sends it to the data monitoring unit 212 after processing. The data monitoring unit 212 The received settlement electricity is detected. If there is an error in the settlement electricity and/or the operating status of the electric energy meter, the alarm will send an alarm and send an instruction to re-collect the electric energy of the electric energy meter to the electric quantity collection device 1 . The remote monitoring terminal 2 can query the received metered power information of multiple electric energy meters according to the time, and can output it in the form of a table for the staff to check and obtain the metered power of the required settlement point, so that the new energy power plant Calculate the power of different electric energy meters.

Preferably, the processor 21 is communicatively connected with a clock chip 23 for detecting and calibrating the time of the power collection device and the electric energy meter. The clock chip 23 is provided with three sets of pin ports, wherein the first pin port is connected to a power supply, the second pin port is a crystal oscillator port connected to a quartz crystal oscillator, and the third pin port is a communication data port.

The processor 3 polls the clock chip 23 periodically, and the time notified by the clock chip 23 is consistent with the time when the electricity quantity information needs to be counted and settled, so as to ensure the accuracy of the time for collecting electricity. Ensure that the settlement electricity of multiple electric energy meters is collected at the settlement time point.

Preferably, the remote monitoring terminal 2 is also provided with operation buttons, and the operation buttons of the power collection device 1 and the remote monitoring terminal 2 are used for inputting instructions and setting parameters.

Below in conjunction with accompanying drawing, the working principle of the present utility model is further explained:

The circuit of microcontroller 13 and processor 21 adopts software and hardware " watchdog " technology when in use, prevents crash phenomenon.

When in use, the RS485 chip inside the housing 11 is connected to the RS485 interfaces of a plurality of electric energy meters 3 through the RS485 data bus, and the differential data end of the RS485 chip is connected to the twisted-pair data line of the RS485 data bus, and the RS485 data The shield wire of the bus is connected to the ground wire of the circuit. The RS485 chip collects the settlement electricity of multiple electric energy meters 3, and communicates and transmits it to the microprocessor 13, and after processing the settlement electricity data, stores it in the memory 21, and then displays it on the display screen 16 as required.

The remote monitoring terminal 2 can query the received power information of multiple electric energy meters according to the time, and can output it in the form of a table for the staff to check, so as to understand the settlement electricity of the settlement points of multiple electric energy meters in the power plant simply, intuitively and accurately information, avoiding the problems of low efficiency and inaccuracy of manual collection.

The remote monitoring terminal 2 performs unified management and data analysis on the monitoring data, test parameters and remote control test of the local electric energy meter monitoring units installed in each plant station, and can also provide data sources for other management systems. It has the following main functions:

Remote control function: realize the remote control test of the local electric energy meter monitoring unit of the factory station, judge the power consumption status and the operation status of the electric energy metering equipment; realize the test parameter setting, reading and modification of the local electric energy meter monitoring unit of the factory station; Realize the download and storage of test records in the local electric energy meter monitoring unit of each plant station during operation;

Data statistics and analysis function: with data statistics function, historical data can be queried according to time, data can be exported in the form of electronic form, and various statistical reports can be automatically generated; various historical alarm information and contents of the system can be displayed and queried;

Abnormal information alarm function: actively report various abnormal situations, and timely notify the operation and maintenance personnel, and carry out timely maintenance to ensure the accuracy of the electricity of the electric energy meter 3.

The advantages of the utility model are as follows:

The utility model can separately collect the settlement electric quantity data of different electric energy meters, so as to ensure the accuracy of the settlement electric quantity of electric energy meters with different electric prices. It can accurately collect and read the electricity of the electric meters with different electricity prices in each power plant, and can collect the electricity of all the electric energy meters at the settlement point at the same time specified. Guarantee the accuracy of the settlement electricity of different electric energy meters in the power plant.

The remote monitoring terminal of the utility model also has local and remote alarm functions, and the system can send out alarm signals when it finds itself abnormal and the monitored device is abnormal.

Finally, it should be noted that: the above-described embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art It should be understood that: it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the various implementations of the present invention. The scope of technical solutions.

Claims (10)

1. An automatic power collection system provided with a remote monitoring terminal, which includes a power collection device and a remote monitoring terminal connected to it in communication, characterized in that: The power acquisition device includes a housing and an acquisition chip arranged inside the housing, a microprocessor and a memory, the input terminals of the acquisition chip are respectively connected to the output terminals of a plurality of electric energy meters, and the output terminals of the acquisition chip connected to an input end of the microprocessor, the first output end of the microprocessor is connected to an input end of the memory, and the second output end of the microprocessor is connected to the input end of the remote monitoring terminal, The remote monitoring terminal includes a processor and an alarm, the processor includes a data processing unit and a data monitoring unit that are connected to each other through communication, and the data processing unit receives and processes the electricity collected by the microprocessor and sends it to For the data monitoring unit, the input end of the data monitoring unit is connected to the output end of the data processing unit, and the output end of the data monitoring unit is connected to the input end of the alarm. 2. The automatic power collection system provided with a remote monitoring terminal according to claim 1, characterized in that: the housing includes a front panel and a rear panel, and the front panel is provided with a display screen, operation buttons, and a communication port , a communication indicator light and a power indicator light, and the rear panel is provided with a power line interface, a power switch and a spare network port. 3. The automatic power collection system provided with a remote monitoring terminal according to claim 1, characterized in that: the collection chip is an RS485 chip, and the RS485 chip is respectively connected to a plurality of electric energy meters through the RS485 data bus of the access circuit RS485 interface connection. 4. the automatic power collection system that is provided with remote monitoring terminal according to claim 3, is characterized in that: described microprocessor is single-chip microcomputer, and an IO port of described single-chip microcomputer passes through the receiving end of optocoupler and RS485 chip and sends end connection. 5. The automatic power collection system provided with remote monitoring terminal according to claim 3, characterized in that: the differential data end of the RS485 chip is connected to the twisted-pair data line of the RS485 data bus, and the RS485 data bus The shield wire connects to the ground of the circuit. 6. The automatic power collection system provided with a remote monitoring terminal according to claim 4, wherein the microprocessor is connected to the remote monitoring terminal through an RS232 chip. 7. The automatic power collection system provided with a remote monitoring terminal according to claim 1, characterized in that: the processor of the remote monitoring terminal also includes a historical data acquisition unit and a data output unit, the historical data acquisition unit and The microprocessor is connected in communication, and the output end of the historical data acquisition unit is connected to the input end of the data output unit. 8. The automatic power collection system provided with a remote monitoring terminal according to claim 7, characterized in that: the processor is connected to a clock chip for communication, and the clock chip is provided with three groups of pin ports, wherein the first pin The port is connected to a power supply, the second pin port is a crystal oscillator port connected to a quartz crystal oscillator, and the third pin port is a communication data port. 9. The automatic power collection system provided with a remote monitoring terminal according to claim 1, characterized in that: the power collection device and the remote monitoring terminal are all provided with operation buttons, and the operation buttons include an on/off button, a restart key and the touch screen. 10. The automatic power collection system provided with a remote monitoring terminal according to claim 1, wherein the alarm is an indicator light or a buzzer.