Utility model content
The utility model is solve the shortcoming that collection energy data data that are inaccurate and that gather that the above-mentioned existing electric energy collection device mentioned exists exist time delay, a kind of automatic electricity quantity acquisition system being provided with remote monitoring terminal is provided, it can gather generating plant so the electricity of electric energy meter, and the charging metrical information required for reading, and by remote monitoring terminal, power acquisition data is monitored, ensure the accuracy of power acquisition data.
Particularly, the utility model provides a kind of automatic electricity quantity acquisition system being provided with remote monitoring terminal, it remote monitoring terminal comprising electric quantity collector and be connected with its communication, described electric quantity collector comprises housing and is arranged on the acquisition chip of described enclosure interior, microprocessor and storer, the input end of described acquisition chip connects the output terminal of multiple electric energy meter respectively, the output terminal of described acquisition chip connects an input end of described microprocessor, first output terminal of described microprocessor connects an input end of described storer, second output terminal of described microprocessor connects the input end of described remote monitoring terminal, described remote monitoring terminal comprises processor and alarm, described processor comprises data processing unit and the data monitoring unit of mutual communication connection, described data processing unit receive described microcontroller acquires to electricity go forward side by side after row relax and be sent to described data monitoring unit, the input end of described data monitoring unit connects the output terminal of described data processing unit, the output terminal of described data monitoring unit connects the input end of described alarm.
Preferably, described housing comprises front panel and rear panel, described front panel is provided with display screen, operation push-button, PORT COM, communication pilot lamp and power light, described rear panel is provided with electric source line interface, power switch and backup network port.
Preferably, described acquisition chip is RS485 chip, and the RS485 interface that described RS485 chip connects multiple electric energy meter respectively by the RS485 data bus of place in circuit connects.
Preferably, described microprocessor is single-chip microcomputer, and an I/O port of described single-chip microcomputer is connected by the reception of optocoupler and RS485 chip and transmitting terminal, and the data receiver for control RS485 chip sends.
Preferably, the differential data end of described RS485 chip connects the twisted pair data line of described RS485 data bus, the ground wire of the shielding line connecting circuit of described RS485 data bus.
Preferably, described single-chip microcomputer connects described remote monitoring terminal by RS232 chip.
Preferably, the processor of described remote monitoring terminal also comprises historical data acquiring unit and data outputting unit, described historical data acquiring unit is connected with described microprocessor communications, and the output terminal of described historical data acquiring unit connects the input end of described data outputting unit.
Preferably, described processor communication is connected with clock chip, and described clock chip is provided with three groups of pin ports, and wherein the first pin port connects power supply, and the second pin port is the crystal oscillator port connecting quartz crystal oscillator, and the 3rd pin port is communication data port.
Preferably, described electric quantity collector and remote monitoring terminal are provided with operation push-button, and described operation push-button comprises ON/OFF switch, restarts key and touch operation screen.
Preferably, described alarm is pilot lamp or hummer.
Advantage of the present utility model is as described below:
The utility model can gather the clearing electric quantity data of different electric energy meters respectively, ensures the accuracy of the clearing electricity of the electric energy meter of different electricity price.Can the electricity of ammeter of the different electricity price in each generating plant of accurate acquisition, and can accurately read, the electricity of all electric energy meters of clearing point can be gathered in the same time of specifying.Ensure the accuracy of the clearing electricity of the different electric energy meter in generating plant.
Remote monitoring terminal of the present utility model also has local and remote warning function, and system all can send warning message when finding that self abnormal and monitored device is abnormal.
Embodiment
Below in conjunction with the drawings and specific embodiments, structure and working principle of the present utility model is further explained:
The utility model provides a kind of automatic electricity quantity acquisition system being provided with remote monitoring terminal, as shown in Figure 1, it comprises electric quantity collector 1 and remote monitoring terminal 2, between electric quantity collector 1 with remote monitoring terminal 2, mutual communication is connected, electric quantity collector 1 gathers the clearing electricity of multiple electric energy meter 3 and the operation conditions of electric energy meter 3, and the information about power of collection and the operation conditions of electric energy meter are uploaded to remote monitoring terminal 2, remote monitoring terminal 2 is according to the Detection Information of inner setting and threshold value, the operation conditions of the information about power received and electric energy meter is verified, if the information about power received is incorrect or the operation conditions of electric energy meter 3 breaks down, remote monitoring terminal 2 sends warning, and the instruction of Resurvey electric energy meter electricity is sent to electric quantity collector 1.The information about power of multiple electric energy meters that remote monitoring terminal 2 can receive according to time inquiring, and can export in table form, check for staff, simple, intuitive recognizes the clearing information about power of the clearing point of the multiple electric energy meter in generating plant accurately, avoids the low and inaccurate problem of artificial collecting efficiency.
As shown in Figure 2, electric quantity collector 1 comprises housing 11 and is arranged on the acquisition chip 12 of housing 11 inside, microprocessor 13 and storer 14, the input end of acquisition chip 12 connects the output terminal of multiple electric energy meter 3, for gathering clearing information about power and the operation conditions of multiple electric energy meter 3, the output terminal of acquisition chip 12 connects an input end of microprocessor 13, for the clearing information about power of collection and operation conditions are sent to microprocessor 13, an input end of an output terminal connected storage 14 of microprocessor 13, for the clearing received information about power is stored, another output terminal of microprocessor 13 connects the input end of remote monitoring terminal 2, for the clearing information about power of collection and the operation conditions of electric energy meter 3 are sent to remote monitoring terminal 2.
Housing 11 comprises front panel and rear panel, front panel is provided with display screen 16, ON/OFF switch 171, restarts key 172, touch operation screen 17, PORT COM 18, communication pilot lamp 19 and power light 20, rear panel is provided with electric source line interface, power switch and backup network port.Power light 20 can the running status of indicating equipment, and when breaking down, flicker is reported to the police.
The both sides of housing 11 are provided with installing plate 100, for Fast Installation, the end of installing plate 100 are provided with screw hole 101.
Acquisition chip 12 connects multiple electric energy meter 3 by data line, for gathering the clearing electricity of multiple electric energy meter 3, and communication transfer is to microprocessor 13, and after clearing electric quantity data is processed, stored by storer 14, shown by display screen 16 as required afterwards.
Preferably, in the present embodiment, as shown in Figure 3, acquisition chip 12 is RS485 chip, the RS485 interface that RS485 chip connects multiple electric energy meter 3 by RS485 data bus connects, for gathering the clearing electricity of multiple different electric energy meter 3, and difference the clearing electricity of different electric energy meter is sent to microcontroller 13.
Microprocessor 13 is single-chip microcomputer, an I/O port of single-chip microcomputer is connected by the reception of optocoupler and RS485 chip and transmitting terminal, data receiver for control RS485 chip sends, and it takes light-coupled isolation, better can wrap the accuracy of the clearing electricity of the electric energy meter 3 that card RS485 chip gathers.
The differential data end of RS485 chip connects the twisted pair data line of described RS485 data bus, the ground wire of the shielding line connecting circuit of described RS485 data bus.
Preferably, single-chip microcomputer connects remote monitoring terminal 2 by RS232 chip 100, carries out data communication.
Remote monitoring terminal 2 comprises processor 21 and alarm 22, processor 21 comprises data processing unit 211 and data monitoring unit 212, data processing unit 211 receives clearing electricity and goes forward side by side after row relax and be sent to data monitoring unit 212, data monitoring unit 212 detects the clearing electricity received, there is mistake in the operation conditions as settled accounts electricity and/or electric energy meter, then alarm gives the alarm, and sends the instruction of Resurvey electric energy meter electricity to electric quantity collector 1.The table quantity calculation information of multiple electric energy meters that remote monitoring terminal 2 can receive according to time inquiring, and can export in table form, check for staff, obtain the table quantity calculation of the clearing point needed, thus the electricity of the different electric energy meters of generation of electricity by new energy factory is calculated.
Preferably, processor 21 communication is connected with clock chip 23, for detecting the time of electric quantity collector and electric energy meter and calibrating.Clock chip 23 is provided with three groups of pin ports, and wherein the first pin port connects power supply, and the second pin port is the crystal oscillator port connecting quartz crystal oscillator, and the 3rd pin port is communication data port.
Processor 3 is polling clock chip 23 periodically, and the time that clock chip 23 is informed adds up with needs the time consistency settling accounts information about power, ensures the accuracy of the time gathering electricity.Ensure that the time point in clearing collects the clearing electricity of multiple electric energy meter.
Preferably, remote monitoring terminal 2 is also provided with operation push-button, and the operation push-button of electric quantity collector 1 and remote monitoring terminal 2 is arranged for inputting instruction line parameter of going forward side by side.
Below in conjunction with accompanying drawing, principle of work of the present utility model is further explained:
The circuit of microcontroller 13 and processor 21 adopts software and hardware " house dog " technology in use, prevents deadlock phenomenon.
In use, the RS485 interface that the RS485 chip of housing 11 inside connects multiple electric energy meter 3 by RS485 data bus is connected, the differential data end of RS485 chip connects the twisted pair data line of described RS485 data bus, the ground wire of the shielding line connecting circuit of described RS485 data bus.RS485 chip gathers the clearing electricity of multiple electric energy meter 3, and communication transfer is to microprocessor 13, and after processing clearing electric quantity data, is stored, shown as required afterwards by display screen 16 by storer 21.
The information about power of multiple electric energy meters that remote monitoring terminal 2 can receive according to time inquiring, and can export in table form, check for staff, simple, intuitive recognizes the clearing information about power of the clearing point of the multiple electric energy meter in generating plant accurately, avoids the low and inaccurate problem of artificial collecting efficiency.
Remote monitoring terminal 2 carries out unified management and data analysis to being arranged on the Monitoring Data of local electric energy meter monitoring means of each plant stand, test parameter and remote-controlled test, and can also provide data source for other management systems, it possesses following major function simultaneously:
Long-range remote control function: the Remote test realizing the local electric energy meter monitoring means of plant stand, judge electricity consumption situation and electric energy measuring equipment operation conditions; Realize the test parameter setting of the local electric energy meter monitoring means of plant stand, reading and amendment etc.; The download to the test record in the local electric energy meter monitoring means of plant stand each in operation and storage can be realized;
Data statistic analysis function: possess data statistics function, can according to time inquiring historical data, and can derived data in the form of a spreadsheet, automatically generates various statistical report form; Can show, every history warning message of inquiry system and content;
Abnormal information warning function: carry out active reporting to various abnormal conditions, and notify operation maintenance personnel in time, keep in repair in time, ensures the accuracy of the electricity of electric energy meter 3.
Advantage of the present utility model is as described below:
The utility model can gather the clearing electric quantity data of different electric energy meters respectively, ensures the accuracy of the clearing electricity of the electric energy meter of different electricity price.Can the electricity of ammeter of the different electricity price in each generating plant of accurate acquisition, and can accurately read, the electricity of all electric energy meters of clearing point can be gathered in the same time of specifying.Ensure the accuracy of the clearing electricity of the different electric energy meter in generating plant.
Remote monitoring terminal of the present utility model also has local and remote warning function, and system all can send alerting signal when finding that self abnormal and monitored device is abnormal.
Last it is noted that above-described each embodiment is only for illustration of the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or to wherein partly or entirely technical characteristic carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.