CN204359928U - A kind of intelligent electric energy meter Auto-Test System - Google Patents
A kind of intelligent electric energy meter Auto-Test System Download PDFInfo
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- CN204359928U CN204359928U CN201420851424.4U CN201420851424U CN204359928U CN 204359928 U CN204359928 U CN 204359928U CN 201420851424 U CN201420851424 U CN 201420851424U CN 204359928 U CN204359928 U CN 204359928U
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Abstract
The utility model discloses a kind of intelligent electric energy meter Auto-Test System, comprise field simulator, carrier wave copies control device and host computer, CPU element, communication module, voltage source module and current source module is provided with in described field simulator, described voltage source module leads to voltage circuit, described current source module leads to current circuit, the power end of intelligent electric energy meter to be measured is connected in parallel on described voltage circuit, and the electric energy measurement end of described intelligent electric energy meter to be measured is connected on described current circuit; The power end that described carrier wave copies control device is connected in parallel on described voltage circuit, and described carrier wave is copied control device and is connected with described intelligent electric energy meter radio communication to be measured; Described host computer is copied with described carrier wave respectively and is controlled device, described field simulator and described intelligent electric energy meter to be measured and communicate to connect.Intelligent electric energy meter Auto-Test System of the present utility model is high to the quality inspection efficiency of intelligent electric energy meter.
Description
Technical field
The utility model relates to the quality inspection technical field of intelligent electric energy meter, specifically, relates to a kind of intelligent electric energy meter Auto-Test System.
Background technology
Along with the technology such as communication, computing machine, robotization obtain application extensively and profoundly in electrical network, and organically blend with conventional electric power technology, greatly improve the intelligent level of electrical network.Intelligent electric energy meter is as a kind of measurement instrument, and intelligence degree is high, to the utilization rate improving power resource, reduces electric energy use cost, improves service quality, stablize the development of electrical network, serve very important effect.Intelligent electric energy meter becomes the important component part of intelligent grid day by day, has had higher requirement, and along with the function of intelligent electric energy meter and the raising day by day of performance, also increasingly strengthen the quality test difficulty of intelligent electric energy meter the function of intelligent electric energy meter and performance.At present, suitable device or system is not also had to test to the various functions of intelligent electric energy meter.What have uses various instrument to carry out quality inspection item by item to the various functions of intelligent electric energy meter, not only labor intensive material resources by artificial, and checkability is low.
Utility model content
Technical problem to be solved in the utility model is: provide the intelligent electric energy meter Auto-Test System that a kind of checkability is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of intelligent electric energy meter Auto-Test System, comprising:
Field simulator, CPU element, communication module, voltage source module and current source module is provided with in described field simulator, described voltage source module leads to voltage circuit, described current source module leads to current circuit, the power end of some intelligent electric energy meters to be measured is connected in parallel on described voltage circuit, and the electric energy measurement end of described intelligent electric energy meter to be measured is connected on described current circuit;
Carrier wave copies control device, and the power end that described carrier wave copies control device is connected in parallel on described voltage circuit, and described carrier wave is copied control device and is connected with described intelligent electric energy meter radio communication to be measured;
Host computer, described host computer is copied with described carrier wave respectively and is controlled device, described field simulator and described intelligent electric energy meter to be measured and communicate to connect.
Preferably, described host computer and described carrier wave are copied and are controlled device and communicated to connect by RS232.
Preferably, described host computer and described field simulator are communicated to connect by described communication module.
Preferably, described host computer and described intelligent electric energy meter to be measured are communicated to connect by RS485 converter.
Preferably, described voltage circuit comprises live wire and zero line, and the live wire of the described voltage circuit respectively hot terminal of the described intelligent electric energy meter to be measured of electrical connection in parallel and described carrier wave copies the hot terminal of control device; The zero line of the described voltage circuit respectively zero line terminals of the described intelligent electric energy meter to be measured of electrical connection in parallel and described carrier wave copies the zero line terminals of control device.
Preferably, the voltage source module of described field simulator is electrically connected with many gears transformer, and described voltage circuit drawn by described many gears transformer, and the gear of described many gears transformer selects control end to be electrically connected to described CPU element.
Preferably, the current source module of described field simulator is electrically connected with many gears current transformer, and described current circuit drawn by described many gears current transformer, and the gear of described many gears current transformer selects control end to be electrically connected to described CPU element.
Preferably, described CPU element is single-chip microcomputer.
Preferably, described host computer is PC or industrial computer.
After have employed technique scheme, the beneficial effects of the utility model are:
Intelligent electric energy meter Auto-Test System of the present utility model, by the situation that field simulator simulated intelligence electric energy meter field uses, output voltage is connected to voltage circuit, output current is connected to current circuit, be connected in parallel on voltage circuit by the power end of several intelligent electric energy meters to be measured, electric energy measurement end is connected in series on current circuit.Intelligent electric energy meter to be measured and carrier wave are copied and are controlled device radio communication and be connected, and communicate to connect with host computer, therefore, carrier wave is copied control device and is concentrated and carry out copy reading to the measured value in several intelligent electric energy meters to be measured, and the data in the intelligent electric energy meter to be measured of copy reading are sent in host computer, host computer and intelligent electric energy meter to be measured communicate to connect, and therefore, host computer also can data directly in copy reading intelligent electric energy meter to be measured.In addition, CPU element in field simulator can calculate the theoretical power of output according to the electric current exported, theoretical power is passed to host computer by CPU element, compares with the reading of the actual intelligent electric energy meter recorded, and just can carry out quality inspection to the accuracy of measuring of intelligent electric energy meter to be measured.Quality inspection can also be carried out by system other performance to intelligent electric energy meter to be measured.In this structure, robotization can be realized to the quality inspection of intelligent electric energy meter to be measured, and one batch can be checked multiple stage intelligent electric energy meter to be measured, use manpower and material resources sparingly, and checkability is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the systematic schematic diagram of intelligent electric energy meter Auto-Test System of the present utility model;
Fig. 2 is the theory diagram of the field simulator in Fig. 1;
Fig. 3 is the circuit diagram of the field simulator in Fig. 1;
In figure: 1, host computer; 2, field simulator; 21, CPU element; 22, voltage source module; 23, current source module; 24, communication module; 25, many gears transformer; 26, many gears current transformer; 3, carrier wave copies control device; 4, intelligent electric energy meter to be measured; 5, voltage circuit; 6, current circuit; 7, RS485 converter.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 is the system diagram of intelligent electric energy meter Auto-Test System of the present utility model; Fig. 2 is the theory diagram of the field simulator in Fig. 1; Fig. 3 is the circuit diagram of the field simulator in Fig. 1.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of intelligent electric energy meter Auto-Test System, comprises field simulator 2, carrier wave copies control device 3 and host computer 1.
Wherein, CPU element 21, communication module 24, voltage source module 22 and current source module 23 is provided with in field simulator 2, voltage source module 22 is electrically connected with many gears transformer 25, many gears transformer 25 extraction voltage circuit 5, the gear of many gears transformer 25 selects control end to be electrically connected to CPU element 21.Current source module 23 is electrically connected with many gears current transformer 26, many gears current transformer 26 extracted current circuit 6, and the gear of many gears current transformer 26 selects control end to be electrically connected to CPU element 21.Respectively by the control of CPU element 21, the voltage gear that selection outputs on voltage circuit 5 and the electric current gear that selection outputs on current circuit 6.The power end of some intelligent electric energy meters to be measured 4 is connected in parallel on voltage circuit 5, and the electric energy measurement end of intelligent electric energy meter 4 to be measured is connected on current circuit 6.
The power end that carrier wave copies control device 3 is connected in parallel on voltage circuit 5, is provided with carrier module in intelligent electric energy meter 4 to be measured, and carrier wave is copied control device 3 and carried out radio communication with intelligent electric energy meter 4 to be measured by carrier module and be connected.In remote auto meter reading system, carrier wave copy control device be a kind of producing, arrange, the path connection device of use when safeguarding.
Host computer 1 is copied with carrier wave respectively and is controlled device 3, field simulator 2 and intelligent electric energy meter to be measured 4 and communicate to connect.
In the present embodiment, host computer 1 and carrier wave are copied and are controlled device 3 and communicated to connect by RS232; Host computer 1 and field simulator 2 are communicated to connect by communication module 24; Host computer 1 and intelligent electric energy meter 4 to be measured are communicated to connect by RS485 converter 7.
Voltage circuit 5 comprises live wire and zero line, and the live wire of the voltage circuit 5 respectively hot terminal of electrical connection in parallel intelligent electric energy meter 4 to be measured and carrier wave copies the hot terminal of control device 3; The zero line of the voltage circuit 5 respectively zero line terminals of electrical connection in parallel intelligent electric energy meter 4 to be measured and carrier wave copies the zero line terminals of control device 3.
In the present embodiment, CPU element 21 adopts single-chip microcomputer; Host computer 1 adopts PC or industrial computer.Single-chip microcomputer, PC or industrial computer are all the matured products on existing market, therefore use single-chip microcomputer or PC, calculating and process that industrial computer carries out some necessity, are the subsidiary functions of single-chip microcomputer, PC and industrial computer itself.
Intelligent electric energy meter Auto-Test System of the present utility model, carrier wave is copied control device 3 and is concentrated and carry out copy reading to the measured value in several intelligent electric energy meters 4 to be measured, and the data in the intelligent electric energy meter to be measured 4 of copy reading are sent in host computer 1, host computer 1 and intelligent electric energy meter 4 to be measured communicate to connect, therefore, host computer 1 also can data directly in copy reading intelligent electric energy meter 4 to be measured.In addition, CPU element 21 in field simulator 2 can calculate the theoretical power of output according to the electric current exported, theoretical power is passed to host computer 1 by CPU element 21, compare with the reading of the actual intelligent electric energy meter to be measured 4 recorded, just can carry out quality inspection to the accuracy of measuring of intelligent electric energy meter 4 to be measured.Quality inspection can also be carried out by system other performance to intelligent electric energy meter 4 to be measured.In this structure, robotization can be realized to the quality inspection of intelligent electric energy meter 4 to be measured, and one batch can be checked multiple stage intelligent electric energy meter 4 to be measured, use manpower and material resources sparingly, and checkability is high.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (9)
1. an intelligent electric energy meter Auto-Test System, is characterized in that, comprising:
Field simulator, CPU element, communication module, voltage source module and current source module is provided with in described field simulator, described voltage source module leads to voltage circuit, described current source module leads to current circuit, the power end of some intelligent electric energy meters to be measured is connected in parallel on described voltage circuit, and the electric energy measurement end of described intelligent electric energy meter to be measured is connected on described current circuit;
Carrier wave copies control device, and the power end that described carrier wave copies control device is connected in parallel on described voltage circuit, and described carrier wave is copied control device and is connected with described intelligent electric energy meter radio communication to be measured;
Host computer, described host computer is copied with described carrier wave respectively and is controlled device, described field simulator and described intelligent electric energy meter to be measured and communicate to connect.
2. intelligent electric energy meter Auto-Test System as claimed in claim 1, is characterized in that, described host computer and described carrier wave are copied and controlled device and communicated to connect by RS232.
3. intelligent electric energy meter Auto-Test System as claimed in claim 1, it is characterized in that, described host computer and described field simulator are communicated to connect by described communication module.
4. intelligent electric energy meter Auto-Test System as claimed in claim 1, it is characterized in that, described host computer and described intelligent electric energy meter to be measured are communicated to connect by RS485 converter.
5. intelligent electric energy meter Auto-Test System as claimed in claim 1, it is characterized in that, described voltage circuit comprises live wire and zero line, and the live wire of the described voltage circuit respectively hot terminal of the described intelligent electric energy meter to be measured of electrical connection in parallel and described carrier wave copies the hot terminal of control device; The zero line of the described voltage circuit respectively zero line terminals of the described intelligent electric energy meter to be measured of electrical connection in parallel and described carrier wave copies the zero line terminals of control device.
6. intelligent electric energy meter Auto-Test System as claimed in claim 1, it is characterized in that, the voltage source module of described field simulator is electrically connected with many gears transformer, described voltage circuit drawn by described many gears transformer, and the gear of described many gears transformer selects control end to be electrically connected to described CPU element.
7. intelligent electric energy meter Auto-Test System as claimed in claim 6, it is characterized in that, the current source module of described field simulator is electrically connected with many gears current transformer, described current circuit drawn by described many gears current transformer, and the gear of described many gears current transformer selects control end to be electrically connected to described CPU element.
8. intelligent electric energy meter Auto-Test System as claimed in claim 7, it is characterized in that, described CPU element is single-chip microcomputer.
9. the intelligent electric energy meter Auto-Test System as described in any one of claim 1 to 8, is characterized in that, described host computer is PC or industrial computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420851424.4U CN204359928U (en) | 2014-12-27 | 2014-12-27 | A kind of intelligent electric energy meter Auto-Test System |
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| CN201420851424.4U CN204359928U (en) | 2014-12-27 | 2014-12-27 | A kind of intelligent electric energy meter Auto-Test System |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356897A (en) * | 2017-07-20 | 2017-11-17 | 云南电网有限责任公司电力科学研究院 | Carrier electric energy meter detecting system and detection method |
| CN107783074A (en) * | 2017-09-28 | 2018-03-09 | 云南电网有限责任公司电力科学研究院 | Bandwidth carrier detection system of electric energy meter and detection method |
| CN111239673A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | System and method for detecting residual current metering precision of electric energy meter |
| CN112003634A (en) * | 2020-07-14 | 2020-11-27 | 宁波三星医疗电气股份有限公司 | G3-PLC carrier attenuation test system and method |
-
2014
- 2014-12-27 CN CN201420851424.4U patent/CN204359928U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356897A (en) * | 2017-07-20 | 2017-11-17 | 云南电网有限责任公司电力科学研究院 | Carrier electric energy meter detecting system and detection method |
| CN107783074A (en) * | 2017-09-28 | 2018-03-09 | 云南电网有限责任公司电力科学研究院 | Bandwidth carrier detection system of electric energy meter and detection method |
| CN111239673A (en) * | 2020-02-07 | 2020-06-05 | 云南电网有限责任公司电力科学研究院 | System and method for detecting residual current metering precision of electric energy meter |
| CN112003634A (en) * | 2020-07-14 | 2020-11-27 | 宁波三星医疗电气股份有限公司 | G3-PLC carrier attenuation test system and method |
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