CN204575840U - A kind of large user's electric energy meter field checking system - Google Patents
A kind of large user's electric energy meter field checking system Download PDFInfo
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- CN204575840U CN204575840U CN201520289781.0U CN201520289781U CN204575840U CN 204575840 U CN204575840 U CN 204575840U CN 201520289781 U CN201520289781 U CN 201520289781U CN 204575840 U CN204575840 U CN 204575840U
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Abstract
The utility model relates to a kind of large user's electric energy meter field checking system, in order at X-ray inspection X electric energy meter, this system comprises host computer, transmission network, handheld terminal and field test instrument, described host computer is by transmission network or be directly connected with handheld terminal, described electric energy meter is connected with handheld terminal and field test instrument respectively, and described field test instrument is connected with handheld terminal.Compared with prior art, the utility model have bluetooth automatic search, connection, scanning convenient, copy and accept the advantages such as efficiency is high, split screen display.
Description
Technical field
The utility model relates to power domain, especially relates to a kind of large user's electric energy meter field checking system.
Background technology
Tradition large user electric energy meter field inspection man operation mode adopts direct control field test instrument, there is following drawback:
1) by under intense laser interfere or dim condition, not easily identification screen display or keyboard identify at the scene;
2) convenience when inputting tested electric energy meter attribute and visual poor;
3) data type stored and quantity not easily meet management expectancy;
4) large, the inefficiency of the physical demands of operating personnel.
Simultaneously, due to the expansion of action, increased electric energy meter data newly to copy and accept, metering cabinet, batch meter device information are verified, and the demand of data record and system interface, also in order to adapt to data interface standard, operating process standardization, unified standard, strengthens system compatibility, reduce artificial input, improve this trend of automatic management ability.Re-use traditional mode of operation and can not meet new model, new demand.
Utility model content
The purpose of this utility model be exactly provide to overcome defect that above-mentioned prior art exists a kind of bluetooth automatic search, connection, scanning convenient, copy and accept that efficiency is high, large user's electric energy meter field checking system of split screen display.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of large user's electric energy meter field checking system, in order at X-ray inspection X electric energy meter, described system comprises host computer, transmission network, handheld terminal and field test instrument, described host computer is by transmission network or be directly connected with handheld terminal, described electric energy meter is connected with handheld terminal and field test instrument respectively, and described field test instrument is connected with handheld terminal.
Described electric energy meter is provided with infrared port and RS485 serial ports, pressure-wire interface, current line interface, taps interface and bar code.
Described field test instrument is connected with pressure-wire interface, current line interface and taps interface respectively by connecting line.
Described handheld terminal comprises processor and the bar-code decoding device be connected with processor respectively, infrared interface, blue tooth interface, RS232 serial ports, USB interface, network interface and display screen, described infrared interface is connected with infrared port, described RS232 serial ports is connected with RS485 serial ports by serial converter, described network interface is connected with transmission network, and described USB interface is connected with host computer.
Described transmission network comprises the interconnective looped network that is made up of multiple router and Web server.
Described field test instrument is also provided with Bluetooth antenna, and described Bluetooth antenna is connected with blue tooth interface.
Compared with prior art, the utility model has the following advantages:
One, bluetooth automatic search, connection: the bluetooth equipment of meeting automatic search annex after the program startup of handheld terminal, search for rear display bluetooth linkage interface to select for operating personnel, after selecting properly bluetooth equipment, this link information can be recorded in database automatically, when start-up routine again, if program detects that the equipment connected can access automatically, no longer need to carry out connection and confirm, significantly improve through bluetooth discovery, the connection speed of testing the method.
Two, scan convenient, to copy and accept efficiency high: by " scanning " key scanning large user electric energy meter bar code in the program of handheld terminal, automatic identification electric energy meter bar code, and automatically resolve the information such as electric energy meter model, manufacturer, year of manufacture, the mode of connection, electrical energy meter accuracy grade according to electric energy meter bar code information.After bar code information identification completes, automatically carry out the configuration of field test instrument parameter, complete inspection preliminary work.
Three, split screen display: all data are according to the display of operation frequency interphase, and the interface often used in work is placed on and shows foremost, improves operating efficiency; The interface that frequency of usage is lower is placed on finally, ensures simple interface.
Accompanying drawing explanation
Fig. 1 is system architecture schematic diagram of the present utility model.
Wherein, 1, electric energy meter, 11, infrared port, 12, RS485 serial ports, 13, pressure-wire interface, 14, current line interface, 15, taps interface, 16, bar code, 2, host computer, 3, transmission network, 4, handheld terminal, 41, bar-code decoding device, 42, infrared interface, 43, blue tooth interface, 44, RS232 serial ports, 45, USB interface, 46, network interface, 47, processor, 5, field test instrument, 51, Bluetooth antenna.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment:
As shown in Figure 1, a kind of large user's electric energy meter field checking system, in order at X-ray inspection X electric energy meter 1, system comprises host computer 2, transmission network 3, handheld terminal 4 and field test instrument 5, host computer 2 is by transmission network 3 or be directly connected with handheld terminal 4, electric energy meter 1 is connected with handheld terminal 4 and field test instrument 5 respectively, and field test instrument 5 is connected with handheld terminal 4.
Electric energy meter 1 is provided with infrared port 11 and RS485 serial ports 12, pressure-wire interface 13, current line interface 14, taps interface 15 and bar code 16, field test instrument 5 is respectively by connecting line and pressure-wire interface 13, current line interface 14 is connected with taps interface 15, the bar-code decoding device 41 that handheld terminal 4 comprises processor 47 and is connected with processor 47 respectively, infrared interface 42, blue tooth interface 43, RS232 serial ports 44, USB interface 45, network interface 46 and display screen, infrared interface 42 is connected with infrared port 11, RS232 serial ports 44 is connected with RS485 serial ports 12 by serial converter, network interface 46 is connected with transmission network 3, USB interface 45 is connected with host computer 2, transmission network 3 comprises the interconnective looped network that is made up of multiple router and Web server, field test instrument 5 is also provided with Bluetooth antenna 51, Bluetooth antenna 51 is connected with blue tooth interface 43.
A kind of large user's electric energy meter field method of inspection, comprises the following steps:
1) on-the-spot startup handheld terminal and field test instrument, and by being interconnected communication after bluetooth discovery, and record connection status;
After starting field test instrument palm machine program, bluetooth equipment near program meeting automatic search, and bluetooth equipment information is gathered display, handled easily personnel selection needs the field test instrument equipment connected, the automatic minute book link information of program after successful connection, when again connecting this thread check meter next time, if this field test instrument is in palm machine bluetooth join domain, and be in normal operating conditions, then program completes connection automatically, enter test status, if bluetooth equipment search or connection failure, program can jump out prompting frame, remind operating personnel's checkout facility, and then connect,
2) by the bar code on the bar-code decoding device scanning electric energy meter on handheld terminal, obtain the essential information of electric energy meter, comprise electric energy meter model, manufacturer, year of manufacture, the mode of connection and electrical energy meter accuracy grade, and to test parameter configuration according to essential information;
By " scanning " key scanning large user electric energy meter bar code, automatically identify electric energy meter bar code, and automatically resolve the information such as electric energy meter model, manufacturer, year of manufacture, the mode of connection, electrical energy meter accuracy grade according to electric energy meter bar code information.Complete electric energy meter data and basic parameter configuration feature;
After bar code information identification completes, automatically carry out the configuration of field test instrument parameter, complete inspection preliminary work;
3) handheld terminal reads the field test instrument data on field test instrument by bluetooth, comprises three-phase voltage, electric current, phase place, active power, reactive power; Total active power, total reactive power and power factor, and generate vector plot display on a display screen;
All parameters are according to parameter type and the display of operating frequency interphase, and the interface often used in work is placed on and shows foremost, improves operating efficiency; The interface that frequency of usage is lower is placed on finally, ensures simple interface.
Working interface is from front to back successively: UI interface (display real-time voltage, electric current, the information such as phase place), vector plot interface (shows real-time vector relations and power, the information such as power factor), error display interface (display calibration error information), parameter configuration interface (with electric energy meter and field test instrument correlation parameter), data preserve interface, and (all needs preserves, the data display of uploading), (electric energy meter data are copied and accepted at large user's electric energy meter reading interface, display interface), (the bar code information typing such as metering cabinet of bar code input interface, management), (program can record multiple field test instrument Bluetooth information successfully connected automatically at blue-teeth equipment management interface, convenient from being dynamically connected, management),
4) handheld terminal obtains the reference data of electric energy meter by host computer, comparison test is carried out according to field test instrument data, judge whether to there is error, if, then according to reference data, electric energy meter is calibrated, and calibration result is returned host computer, if not, record current data also carries out the inspection of next electric energy meter;
At " error display interface ", after clicking " startup error testing " button, palm machine successfully can control field test instrument and carry out auto-adjustment, the error information generated in calibration process can be presented at error information hurdle automatically, error information is according to electric energy meter class of accuracy automatic rounding process, after the error information recorded meets examination requirements, click " freezing error information " button again, error current data can be saved, prevent in other operations follow-up, misdata in calibration process, stored in database, causes calibration mistake;
Freezing function can manually be removed, or automatically terminates when carrying out next block test of kilo watthour meter;
Copying and accepting data item number can according to field condition manual modification, improves and copies and accepts efficiency, increase the expanded function such as metering cabinet, batch meter bar code scan, reserves and the interface of system and the Communications Protocol Specification worked out between field test instrument and PDA;
5) handheld terminal obtains the Monitoring Data of electric energy meter after inspection and record.
In the market in the most common handheld terminal 4, main scheme uses WinCE or WinMobile system+bluetooth Bluetooth 2.0+EDR interface.WinCE and WinMobile system belongs to Microsoft, and this Dynamic System interface is similar to the operation interface on computer, effectively can reduce the learning cost of operator.Because WinCE systematic comparison falls behind, so, select WinMobile system platform.Consider the convenience that site operation personnel's data input, requirement system needs support hardware input through keyboard, and touch-screen inputs, bar code scan interface, infrared communication interface, usb data communication interface, 485 communication interfaces, 3.5 cun of colored large-size screen monitors, bluetooth standard is Bluetooth2.0+EDR standard, meanwhile, consider the complicacy of execute-in-place environment, require that palm facility are for the industrial protection grade of IP64.
Programmed method under WinMobile platform is a lot, but considers that shortening software development cycle is shorter, and lower software development difficulty, development platform selects Microsoft .net platform, and this platform development efficiency is high, and development difficulty is low.
The utility model trial run process continue for two months, between bimestrial trial run period, program have passed through twice large amendment, and wherein small-scale amendment, optimize numerous, up till now, easy, the reliable operability of large user's electric energy meter field inspection handheld terminal solves in traditional large user's electric energy meter field inspection man operation mode: by under intense laser interfere or dim condition, not easily identification screen display or keyboard identify at the scene; Convenience when inputting tested electric energy meter attribute and visual poor; The data type stored and quantity not easily meet the drawbacks such as management expectancy.Operating user interface is easy, and system data is vividly represented by figure, table, improves the work efficiency in large user's electric energy meter field inspection course of work, greatly reduce probability of human error, and alleviate the physical demands of operating personnel greatly, improve work efficiency, reach data interface standard, operating process standardization, unified and standard, system compatibility strengthens, and reduces and manually drops into, improve automatic management ability, the object of the management that advances science.The metering cabinet, the batch meter bar code scan that increase, electric energy meter data such as to copy and accept at the expanded function, for later system extension is provided convenience.
Claims (6)
1. large user's electric energy meter field checking system, in order in X-ray inspection X electric energy meter (1), it is characterized in that, described system comprises host computer (2), transmission network (3), handheld terminal (4) and field test instrument (5), described host computer (2) is by transmission network (3) or be directly connected with handheld terminal (4), described electric energy meter (1) is connected with handheld terminal (4) and field test instrument (5) respectively, and described field test instrument (5) is connected with handheld terminal (4).
2. a kind of large user's electric energy meter field checking system according to claim 1, it is characterized in that, described electric energy meter (1) is provided with infrared port (11) and RS485 serial ports (12), pressure-wire interface (13), current line interface (14), taps interface (15) and bar code (16).
3. a kind of large user's electric energy meter field checking system according to claim 2, it is characterized in that, described field test instrument (5) is connected with pressure-wire interface (13), current line interface (14) and taps interface (15) respectively by connecting line.
4. a kind of large user's electric energy meter field checking system according to claim 2, it is characterized in that, the bar-code decoding device (41) that described handheld terminal (4) comprises processor (47) and is connected with processor (47) respectively, infrared interface (42), blue tooth interface (43), RS232 serial ports (44), USB interface (45), network interface (46) and display screen, described infrared interface (42) is connected with infrared port (11), described RS232 serial ports (44) is connected with RS485 serial ports (12) by serial converter, described network interface (46) is connected with transmission network (3), described USB interface (45) is connected with host computer (2).
5. a kind of large user's electric energy meter field checking system according to claim 1, is characterized in that, described transmission network (3) comprises the interconnective looped network that is made up of multiple router and Web server.
6. a kind of large user's electric energy meter field checking system according to claim 4, it is characterized in that, described field test instrument (5) is also provided with Bluetooth antenna (51), and described Bluetooth antenna (51) is connected with blue tooth interface (43).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104833944A (en) * | 2015-05-06 | 2015-08-12 | 国网上海市电力公司 | Large user electric energy meter on-site inspection system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833944A (en) * | 2015-05-06 | 2015-08-12 | 国网上海市电力公司 | Large user electric energy meter on-site inspection system and method |
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