CN102608561A - Electricity meter power consumption tester - Google Patents
Electricity meter power consumption tester Download PDFInfo
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- CN102608561A CN102608561A CN2012100947888A CN201210094788A CN102608561A CN 102608561 A CN102608561 A CN 102608561A CN 2012100947888 A CN2012100947888 A CN 2012100947888A CN 201210094788 A CN201210094788 A CN 201210094788A CN 102608561 A CN102608561 A CN 102608561A
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Abstract
本发明公开了一种电能表功耗测试装置，它包括被测电能表、被测电能表与程控三相功率源导线连接，它们与多路服务器通过485总线连接，多路服务器与检测处理系统以太网连接，被测电能表A相电流与功耗测试板的第一电压输入口（1）导线连接，被测电能表A相电流输出口导线连接到第一电流互感器，第一电流互感器输出口连接到功耗测试板的第一电流输入口（2），被测电能表的A相电压输出口和零线导线连接到功耗测试板第二电压输入口（3），被测电能表的A相电压输出口导线连接到第二电流互感器，第二电流互感器输出口导线连接到功耗测试板第二电流输入口（4）；解决了常规检测过程中人工接线多，接线方式复杂危险性大，测试速度慢效率低等问题。
The invention discloses a power consumption testing device of an electric energy meter, which comprises a measured electric energy meter, which is connected with a program-controlled three-phase power source wire, which are connected with a multi-channel server through a 485 bus, and the multi-channel server is connected with a detection processing system Ethernet connection, the current of phase A of the electric energy meter under test is connected to the first voltage input port (1) wire of the power consumption test board, the wire of the current output port of phase A of the electric energy meter under test is connected to the first current transformer, and the first current mutual inductor The output port of the meter is connected to the first current input port (2) of the power consumption test board, the A-phase voltage output port and the neutral wire of the electric energy meter under test are connected to the second voltage input port (3) of the power consumption test board, and the tested The A-phase voltage output wire of the electric energy meter is connected to the second current transformer, and the second current transformer output wire is connected to the second current input port (4) of the power consumption test board; it solves the problem of manual wiring in the routine detection process, The wiring method is complex and dangerous, and the test speed is slow and the efficiency is low.
Description
Technical field
The invention belongs to the instrument and meter detection range, refer more particularly to a kind of electric energy meter power consumption test device.
Background technology
The power consumption of electric energy meter is meant electric energy meter in use, the power that electric energy meter self need consume.The power consumption of electric energy meter is an important techniques index, need confirm whether it satisfies the requirement of correlation technique standard through testing.
At present, the power consumption test method of electric energy meter mainly contains two kinds, and a kind of power consumption of special use that is to use is surveyed instrument, realizes test through the artificial mode of connection; A kind of is that the power consumption test instrument is installed in electric energy meter calibrating apparatus, realizes test through special wiring.
But there is apparent in view shortcoming in these two kinds of detection modes, and first method needs a large amount of artificial wiring, and the mode of connection is complicated, has certain danger, in case the wrong line just causes the infringement of equipment easily, even cause personnel's injury; Though second kind of method of testing do not need artificial wiring, there be the problem the same with first method, once can only accomplish the power consumption test of an electric energy meter, need the manual record test data simultaneously, speed is slow, and efficiency ratio is lower.
Therefore, be necessary to develop a kind of new electric energy meter power consumption test device, improve the consumption testing efficiency, reduce the danger of test.
Summary of the invention
The technical matters that the present invention will solve: a kind of electric energy meter power consumption test device is provided, many to solve in the conventional sense process artificial wiring, problem such as the mode of connection is complicated dangerous big, and the slow efficient of test speed is low.
Technical scheme of the present invention:
A kind of electric energy meter power consumption test device; It comprises tested electric energy meter, power consumption test plate and detecting processing system; Tested electric energy meter is connected with program control three phase power source lead; The RS485 port of program control three phase power source and power consumption test plate is connected through the RS485 bus with multipath server; Multipath server is connected through Ethernet with detecting processing system, and tested electric energy meter A phase current the one the second delivery outlets are connected with the first voltage input lead of power consumption test plate, and the tested electric energy meter A first electric current delivery outlet lead mutually is connected to first current transformer; The first current transformer delivery outlet lead is connected to the first electric current input port of power consumption test plate; The A phase voltage delivery outlet of tested electric energy meter and zero line lead are connected to power consumption test plate second voltage input, and the A phase voltage delivery outlet lead of tested electric energy meter is connected to second current transformer, and the second current transformer delivery outlet lead is connected to the power consumption test plate second electric current input port.
Detecting processing system comprises:
Control function module is controlled program control three phase power source and seized electric energy meter and is started, closes or be provided with the hardware effort state, reads functional module with data and is electrically connected;
Data read functional module, read the test data of seized electric energy meter, deliver to the data processing function module and handle, and are electrically connected with the data processing function module;
The data processing function module according to the test data of seized electric energy meter, calculates the power consumption of tested electric energy meter, is electrically connected with data storage Presentation Function module;
Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface.
The power consumption test intralamellar part is equipped with a storer.
Multipath server can connect 16 power consumption test plates and 16 tested electric energy meters simultaneously through the RS485 bus.
Beneficial effect of the present invention:
The present invention; Tested electric energy meter A phase current the one the second delivery outlets are connected with the first voltage input lead of power consumption test plate; The tested electric energy meter A first electric current delivery outlet lead mutually is connected to first current transformer; The first current transformer delivery outlet lead is connected to the first electric current input port of power consumption test plate, thereby obtains the electric current that passes through on the electrical energy meter electricity circuit.After recording the value of voltage on the current return, electric current, can obtain the power consumption of current return through the automatic calculating of power consumption test plate; The A phase voltage delivery outlet of tested electric energy meter and zero line lead are connected to power consumption test plate second voltage input; The A phase voltage delivery outlet lead of tested electric energy meter is connected to second current transformer; The second current transformer delivery outlet lead is connected to the power consumption test plate second electric current input port; The second current transformer energy measurement flows through the electric current of voltage terminal, record the value of voltage on the voltage output loop, electric current after, can obtain the power consumption of voltage circuit through the automatic calculating of power consumption test plate.This power consumption test intralamellar part has storer; The voltage power consumption that records, current power dissipation test data are stored in this storer; Detecting processing system on the computing machine utilizes the RS485 connection that this test data is read out through multipath server, carries out data processing with computing machine; Form is as required placed data, thereby realizes the automatic test of electric energy meter power consumption.Owing to adopt the RS485 bus communication, can test 16 electric energy meters simultaneously.The present invention adopts computer to read automatically and handles power consumption information, and speed is fast and reliability is high.
Advantage of the present invention:
Need not artificial external p-wire, can reduce artificial workload, reduce the test risk.Owing to need not to carry out artificial external p-wire; Only need be according to normal connection box of electric energy meter mode; Can reduce the workload of wiring, utilize the internal protection function of electric energy meter calibrating apparatus simultaneously, the danger that can avoid the wrong line to cause device damage or people's operation is brought.
Owing to directly carry out the connection of p-wire in the back of electric energy meter, reduced the length of external p-wire, can reduce the additional measuring error that the p-wire of outer spreading brings, the raising measuring accuracy.
Can carry out the power consumption test of many electric energy meters simultaneously, testing efficiency is high.In each epi-position the power consumption test that a power consumption test plate can be realized multi-epitope is installed at the back, has improved test speed greatly; On the other hand, this programme can be realized test automatically, need not the manual switching test pattern and carries out manual record, also improves test speed.Problems such as it is many to have solved in the conventional sense process artificial wiring, and the mode of connection is complicated dangerous big, and the slow efficient of test speed is low.
Description of drawings:
Fig. 1 is a control principle block diagram of the present invention.
Embodiment:
A kind of electric energy meter power consumption test device; It comprises tested electric energy meter, power consumption test plate and detecting processing system; Tested electric energy meter is connected through lead with the delivery outlet of program control three phase power source; The RS485 port 5 of program control three phase power source and power consumption test plate is connected through the RS485 bus with multipath server; Multipath server is connected through Ethernet with detecting processing system, and the tested electric energy meter A phase current the one the second delivery outlet IA-1, IA-2 are connected with first voltage input, 1 lead of power consumption test plate, and the tested electric energy meter A first electric current delivery outlet IA-1 lead mutually is connected to first current transformer; The first current transformer delivery outlet lead is connected to the first electric current input port 2 of power consumption test plate; The A phase voltage delivery outlet UA of tested electric energy meter and zero line N lead are connected to power consumption test plate second voltage input 3, and the A phase voltage delivery outlet UA lead of tested electric energy meter is connected to second current transformer, and the second current transformer delivery outlet lead is connected to the power consumption test plate second electric current input port 4; First current transformer adopts the current transformer of 2000:1; Second current transformer adopts the current transformer of 2000:15; The power consumption test plate adopts the CL2031B-PID1.PCB power consumption test plate of Shenzhen land electronics corporation of section, and the port on the multipath server 2018-1 of multipath server employing 2018-1 always has 32 the tunnel, and wherein the 1-24 road is an epi-position RS485 COM1; 25-32 is the control COM1; Multipath server can be realized 16 tested electric energy meters are tested through RS485 bus and the communication of power consumption test plate simultaneously
Tested mode of connection with the A phase voltage by the B phase voltage of side electric energy meter output UB and C phase voltage output (UC); B phase current output IB-1, IB-2 and C phase current are exported IC-1, IC-2 with A phase current output connection mode, the corresponding increase of electric current, voltage output of the plate of power consumption test simultaneously.
Detecting processing system comprises:
Control function module is controlled program control three phase power source and seized electric energy meter and is started, closes or be provided with the hardware effort state, is connected through the data call function with data read functions mould.
Data read functional module, read the test data of seized electric energy meter, deliver to the data processing function module and handle, and are connected through the data call function with the data processing function module.
The data processing function module according to the test data of seized electric energy meter, calculates the power consumption of tested electric energy meter, is connected with data storage Presentation Function module data call function,
Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface.
The power consumption test intralamellar part is equipped with a storer, and this power consumption test intralamellar part has storer, and the voltage power consumption, the current power dissipation test data that record are stored in this storer.
Multipath server can connect 16 power consumption test plates and 16 tested electric energy meters simultaneously through the RS485 bus.
Claims (4)
1. electric energy meter power consumption test device; It comprises tested electric energy meter, power consumption test plate and detecting processing system; It is characterized in that: tested electric energy meter is connected with program control three phase power source lead; The RS485 port (5) of program control three phase power source and power consumption test plate is connected through the RS485 bus with multipath server; Multipath server is connected through Ethernet with detecting processing system; Tested electric energy meter A phase current the one the second delivery outlets (IA-1, IA-2) are connected with first voltage input (1) lead of power consumption test plate; Tested electric energy meter A first electric current delivery outlet (IA-1) lead mutually is connected to first current transformer, and the first current transformer delivery outlet lead is connected to the first electric current input port (2) of power consumption test plate, and the A phase voltage delivery outlet (UA) of tested electric energy meter and zero line (N) lead are connected to power consumption test plate second voltage input (3); A phase voltage delivery outlet (UA) lead of tested electric energy meter is connected to second current transformer, and the second current transformer delivery outlet lead is connected to the power consumption test plate second electric current input port (4).
2. a kind of electric energy meter power consumption test device according to claim 1, it is characterized in that: detecting processing system comprises:
Control function module is controlled program control three phase power source and seized electric energy meter and is started, closes or be provided with the hardware effort state, reads functional module with data and is electrically connected;
Data read functional module, read the test data of seized electric energy meter, deliver to the data processing function module and handle, and are electrically connected with the data processing function module;
The data processing function module according to the test data of seized electric energy meter, calculates the power consumption of tested electric energy meter, is electrically connected with data storage Presentation Function module;
Data storage Presentation Function module is stored test data and test result, and is shown in real time through the computer software interface.
3. a kind of electric energy meter power consumption test device according to claim 1 is characterized in that: the power consumption test intralamellar part is equipped with a storer.
4. a kind of electric energy meter power consumption test device according to claim 1 is characterized in that: multipath server can connect 16 power consumption test plates and 16 tested electric energy meters simultaneously through the RS485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100947888A CN102608561A (en) | 2012-04-01 | 2012-04-01 | Electricity meter power consumption tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100947888A CN102608561A (en) | 2012-04-01 | 2012-04-01 | Electricity meter power consumption tester |
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| CN102608561A true CN102608561A (en) | 2012-07-25 |
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| CN2012100947888A Pending CN102608561A (en) | 2012-04-01 | 2012-04-01 | Electricity meter power consumption tester |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344937A (en) * | 2013-06-14 | 2013-10-09 | 广州供电局有限公司 | Device and method for detecting power consumption of intelligent watt-hour meter |
| CN104569902A (en) * | 2014-11-21 | 2015-04-29 | 国家电网公司 | Digital type electric energy meter power consumption measuring device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2625323A1 (en) * | 1987-12-24 | 1989-06-30 | Electricite De France | Interfacing device for the calibration of single-phase and three-phase electricity meters |
| EP0803741B1 (en) * | 1992-02-21 | 2001-06-06 | ABB Power T&D Company Inc. | Method and apparatus for electronic testing of electricity meters |
| CN101387663A (en) * | 2007-10-08 | 2009-03-18 | 杭州利尔达科技有限公司 | Ultra low power consumption full-decompression measuring set and measurement method |
| JP2010066055A (en) * | 2008-09-09 | 2010-03-25 | Hioki Ee Corp | Method for detecting connection state of electric power measuring instrument |
| CN102087352A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Three-phase intelligent watt-hour meter inspection device and method |
| CN202548319U (en) * | 2012-04-01 | 2012-11-21 | 贵州电力试验研究院 | Test device of power consumption of electric energy meter |
-
2012
- 2012-04-01 CN CN2012100947888A patent/CN102608561A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2625323A1 (en) * | 1987-12-24 | 1989-06-30 | Electricite De France | Interfacing device for the calibration of single-phase and three-phase electricity meters |
| EP0803741B1 (en) * | 1992-02-21 | 2001-06-06 | ABB Power T&D Company Inc. | Method and apparatus for electronic testing of electricity meters |
| CN101387663A (en) * | 2007-10-08 | 2009-03-18 | 杭州利尔达科技有限公司 | Ultra low power consumption full-decompression measuring set and measurement method |
| JP2010066055A (en) * | 2008-09-09 | 2010-03-25 | Hioki Ee Corp | Method for detecting connection state of electric power measuring instrument |
| CN102087352A (en) * | 2011-01-31 | 2011-06-08 | 浙江省电力公司 | Three-phase intelligent watt-hour meter inspection device and method |
| CN202548319U (en) * | 2012-04-01 | 2012-11-21 | 贵州电力试验研究院 | Test device of power consumption of electric energy meter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344937A (en) * | 2013-06-14 | 2013-10-09 | 广州供电局有限公司 | Device and method for detecting power consumption of intelligent watt-hour meter |
| CN104569902A (en) * | 2014-11-21 | 2015-04-29 | 国家电网公司 | Digital type electric energy meter power consumption measuring device and method |
| CN104569902B (en) * | 2014-11-21 | 2017-04-19 | 国家电网公司 | Digital type electric energy meter power consumption measuring device and method |
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Application publication date: 20120725 |