CN102645644B - Function test device of intelligent electric energy meter - Google Patents
Function test device of intelligent electric energy meter Download PDFInfo
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- CN102645644B CN102645644B CN201210153200.1A CN201210153200A CN102645644B CN 102645644 B CN102645644 B CN 102645644B CN 201210153200 A CN201210153200 A CN 201210153200A CN 102645644 B CN102645644 B CN 102645644B
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Abstract
The invention provides a function test device of an intelligent electric energy meter, which comprises a precise test power, a voltage multichannel isolation mutual inductor, a meter position control and display module, a meter pick and hang module, a meter joint mechanism, a serial port communication server and an upper computer, wherein the precise test power outputs test current to the meter pick and hang module and outputs a test voltage to the voltage multichannel isolation mutual inductor; the voltage multichannel isolation mutual inductor provides the test voltages of all paths of intelligent electric energy meters to the meter pick and hang module; the meter position control and display module is used for controlling the picking and hanging of the intelligent electric energy meter; the meter pick and hang module is used for picking and hanging the intelligent electric energy meter; the meter joint mechanism is used for installing and connecting the intelligent electric energy meter; and the upper computer is used for controlling the precise test power, and is communicated with the intelligent electric energy meter through the serial port communication server. The function test device of the intelligent electric energy meter is used for automatic test on various functions of the electric energy meter and can be widely applied to power supply departments, metrological service, electric energy meter production plants and the like.
Description
Technical field
The present invention relates to a kind of proving installation, be specifically related to a kind of proving installation being applied to intelligent electric energy meter functional test.
Background technology
At present, State Grid Corporation of China has worked out intelligent electric energy meter Q/GDW series standard.This standard is on the basis of " measure, check meter and expenses standard study on construction " project achievement, according to the general requirement that unified strong intelligent grid is built, in conjunction with metering, communication technology present situation and Corporation system are produced, manage, managed and set up the basic demand of electric energy meter both at home and abroad.But the proving installation that market is researched and developed for the intelligent electric energy meter functional test related in this standard still belongs to blank.The test macro complex operation built voluntarily, test performance is single, greatly limit the work such as the bid of intelligent electric energy meter, inspection, examination.
Summary of the invention
The object of the present invention is to provide and a kind of there is personal safety protection, the proving installation that program-controlled, electric energy meter functional test project meets State Grid Corporation of China Q/GDW series standard; polylith intelligent electric energy meter can be tested, use safety, simple operation, complete function simultaneously.
For achieving the above object, the present invention adopts following technical scheme:
A kind of function test device of intelligent electric energy meter, comprises precision measurement power supply, voltage multichannel isolation transformer, epi-position control display module, plucks table pocket watch module, Jie Biao mechanism, serial communication server and host computer;
Described precision measurement power supply export measuring current to described in pluck table pocket watch module, export test voltage to described voltage multichannel isolation transformer;
Described voltage multichannel isolation transformer provide the test voltage of each road intelligent electric energy meter to described in pluck table pocket watch module, and provide feedback voltage signal for described precision measurement power supply;
Described epi-position controls the control data that display module receives described precision measurement power supply, controls the dislodging of intelligent electric energy meter; Described epi-position controls display module and also connects intelligent electric energy meter, completes partial function test;
Described plucking shows epi-position control display module described in pocket watch model calling, for completing the dislodging of intelligent electric energy meter;
Table pocket watch module is plucked, for attaching intelligent electric energy meter described in described Jie Biao mechanism connects;
Described host computer controls described precision measurement power supply, and is communicated with intelligent electric energy meter by described serial communication server.
Further, described precision measurement power supply comprises: host scm, display and keyboard unit, relay control unit, waveform storage unit, D/A converting unit, DC reference unit, electric current and voltage power amplifier, relay unit, sampling unit and communication unit.
Further, described epi-position control display module comprises single-chip microcomputer, LED drive chip, LED, optical coupling isolation circuit, comparator circuit, shaping circuit and data-latching circuit.
Further, pluck table pocket watch module described in and comprise current relay, voltage relay and controllable silicon.
Further, described serial communication server adopts the concurrent mechanics of communication of TCP/IP thread serial port.
Further, control display module by described epi-position to transfer the communication realized between described host computer and intelligent electric energy meter; Or by described serial communication server is directly connected with intelligent electric energy meter the communication realized between described host computer and intelligent electric energy meter.
Function test device of intelligent electric energy meter of the present invention is used for the automatic detection to the various function of intelligent electric energy meter, and be applicable to list, three-phase intelligent electric-energy meter, communications protocol is DL/T645-2007; Test event contains whole 9 large classes (function of measuring, tariff period and electricity price scheme, clocking capability, logout, Presentation Function, freezing function, warning function, communication baud rate setting, stepped function) 27 functions of State Grid Corporation of China's company standard regulation, to guarantee that intelligent electric energy meter function reaches code requirement, on-the-spot safe and reliable to operation.The present invention has filled up the domestic blank to intelligent electric energy meter functional test, can be widely used in power supply department, metrological service, electric energy meter factory etc.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of the function test device of intelligent electric energy meter of the embodiment of the present invention.
Fig. 2 is the composition structural representation of precision measurement power supply in Fig. 1.
Fig. 3 a is the theory of constitution schematic diagram of voltage multichannel isolation transformer in Fig. 1; Fig. 3 b is the ramp schematic diagram of this voltage multichannel isolation transformer.
Fig. 4 is the theory of constitution schematic diagram that in Fig. 1, epi-position controls display module.
Fig. 5 is the theory of constitution schematic diagram plucking table pocket watch module in Fig. 1.
Fig. 6 is that in Fig. 1, serial communication server and host computer and intelligent electric energy meter carry out the schematic diagram be connected.
Element numbers illustrates:
100: function test device of intelligent electric energy meter
110: precision measurement power supply
1101: host scm; 1102: display and keyboard unit; 1103: relay control unit; 1104: waveform storage unit; 1105:D/A converting unit; 1106: DC reference unit; 1107: electric current and voltage power amplifier; 1108: relay unit; 1109: sampling unit; 1110: communication unit
120: voltage multichannel isolation transformer
130: epi-position controls display module
140: pluck table pocket watch module
150: spring Jie Biao mechanism
160: serial communication server
170: intelligent electric energy meter
180: host computer
Embodiment
Below by specific embodiment, and coordinate accompanying drawing, the present invention is described in detail.
Fig. 1 is the composition structural representation of the function test device of intelligent electric energy meter 100 of the present embodiment.As shown in the drawing, precision measurement power supply 110 exports test voltage to voltage multichannel isolation transformer 120, voltage multichannel isolation transformer 120 provides the test voltage of each road intelligent electric energy meter for plucking table pocket watch module 140, simultaneously for precision measurement power supply 110 provides feedback voltage signal.Precision measurement power supply 110 is also shown pocket watch module 140 and is directly connected with to its input test electric current with plucking.Precision measurement power supply 110 connects epi-position and controls display module 130, controls and the communication data that reads back to it.Epi-position controls the control data that display module 130 receives precision measurement power supply 110, controls the dislodging of plucking intelligent electric energy meter in table pocket watch module 140.Pluck table pocket watch module 140 for complete intelligent electric energy meter plucking, hang time electric connection.Spring Jie Biao mechanism 150 shows pocket watch module 140 and is connected, for the intelligent electric energy meter 170 that attaching is detected with plucking.Serial communication server 160 adopts the concurrent mechanics of communication of TCP/IP thread serial port, connects host computer 180 and controls display module 130 with epi-position.Host computer 180 pairs of precision measurement power supplys 110 control, and return precision measurement power supply status data.Epi-position controls the function port that display module 130 connects electric energy meter 170 simultaneously, completes partial function test, and plays the switching effect of serial communication server and intelligent electric energy meter.
Fig. 2 is the composition structural representation of precision measurement power supply 110 in Fig. 1.The signal of this precision measurement power supply adopts digital-synthesis sine technology to generate.Power amplifier has enough design margins, to provide stable, reliable electric current and voltage power stage.As shown in the drawing, host scm 1101, adopts 89C51, controls display and keyboard unit 1102, relay control unit 1103, waveform storage unit 1104, D/A converting unit 1105, DC reference unit 1106 respectively.The voltage current waveform of the preset digital quantity of waveform storage unit 1104, D/A converting unit 1105 converts analog quantity according to specific sequential digital quantity by host scm 1101 with reference to the DC reference of DC reference unit 1106, generates the voltage current waveform of simulation.Voltage current waveform is sent in electric current and voltage power amplifier 1107 and amplifies.Relay unit 1108 is arranged to the way of output of fixing by the control of relay control unit 1103, the voltage and current signal amplified is exported.Sampling unit 1109 sampled output signal, a road send display and keyboard unit 1102 to show in real time through host scm, and another road feeds back to electric current and voltage power amplifier 1107, finely tunes output in real time.Communication unit 1110 adopts photoelectric coupling mode to connect host computer 180, can by host computer by RS232 communication modes programmed control precision measurement power supply 110.Display and keyboard unit 1102 adopt 7 inch color touch-screens, and the inner single-chip microcomputer C8051F340 of engagement unit, completes display, keypad function.Display adopts extended serial port mode to be connected with keyboard unit 1102 and host scm 1101.
Fig. 3 a is the theory of constitution schematic diagram of voltage multichannel isolation transformer 120.The armature winding of mutual inductor adds alternating current and produces magnetic flux, by iron core, produces alternating current on the secondary winding.Fig. 3 b is the ramp schematic diagram of voltage multichannel isolation transformer 120, and wherein a0 is transformer primary, and multiple a1 is the parallel transformer secondary laid out, and is connected to each epi-position, plays the effect of primary and secondary isolation, the isolation of each epi-position.Voltage multichannel isolation transformer 120 provides the test voltage of each road intelligent electric energy meter for plucking table pocket watch module 140, the first via is simultaneously for precision measurement power supply 110 provides feedback voltage signal.
Fig. 4 is the theory of constitution schematic diagram that epi-position controls display module 130.Wherein, single-chip microcomputer adopts 89C52, and LED drive chip adopts ICM7218B.As shown in the drawing, single-chip microcomputer connection LED drive chip controls 8 common cathode type LED and shows, the information such as indicator gauge bit address, epi-position dislodging.The epi-position pulse signal that electric energy meter produces through light-coupled isolation, compare, shaping circuit is input in single-chip microcomputer.The control signal of single-chip microcomputer outputs to pluck table pocket watch module 140 through latches data, optical coupling isolation circuit, controls epi-position and sets out.Epi-position controls display module 130 and connects precision measurement power supply 110 by RS485 communication serial ports.Epi-position controls the function port that display module 130 connects electric energy meter 170 simultaneously, completes partial function test, such as switching on Event Function; Also play the switching effect of serial communication server and electric energy meter simultaneously, make host computer 180 by serial communication server 160 and the intelligent electric energy meter 170(be detected one or more) communicate.
Fig. 5 is the theory of constitution schematic diagram plucking table pocket watch module 140.Pluck table pocket watch module 140 and there is short circuit current relay, voltage circuit opening relay device, can realize when all the other epi-positions normally work, carry out the plucking of single intelligent electric energy meter, extension work.The control signal of plucking table pocket watch module 140 controls display module 130 from epi-position.Processing of circuit adopt bidirectional triode thyristor wrap up the method for relay.When ammeter occurring and seting out, controllable silicon is prior to the actuating of relay, and action after relay, when this object is that band electric control ammeter is seted out, relay is not struck sparks.
Spring Jie Biao mechanism 150 is for attaching intelligent electric energy meter 170.This spring Jie Biao mechanism is applicable to the unified electric energy meter of national grid, can purchase and obtain.The Jie Biao mechanism of spring is practical, can facilitate attaching ammeter.In the present invention, as long as directly fill gauge pressure tightly during application spring Jie Biao mechanism's attaching electric energy meter, need not wiring in addition.The present invention also can adopt the Jie Biao mechanism of other kind.
Fig. 6 schematic diagram that to be serial communication server 160 carry out with host computer and intelligent electric energy meter is connected.Be connected by Communication server between host computer with intelligent electric energy meter, adopt the concurrent mechanics of communication of TCP/IP thread serial port, communicate with polylith intelligent electric energy meter simultaneously.Epi-position controls display module and connects Communication server, and each epi-position controls the corresponding electric energy meter of display module, plays the switching effect of serial communication server and electric energy meter RS485.
In above-described embodiment, the communication between host computer and electric energy meter, is realized by the connected mode shown in Fig. 1 and Fig. 6, namely controls display module by epi-position and transfers, can save circuit like this, simplify structure.But in proving installation of the present invention, serial communication server and intelligent electric energy meter directly can also be coupled together, the communication between host computer and electric energy meter can be realized equally; " Communication server " is now no longer needed to be connected with " epi-position control display module ".
Software kit for carrying out functional test being installed in host computer 180, realizing whole 9 large classes (function of measuring, tariff period and electricity price scheme, clocking capability, logout, Presentation Function, freezing function, warning function, communication baud rate setting, stepped function) 27 functions that test State Grid Corporation of China's company standard (Q/GDW series standard) specifies.The configuration of host computer is preferably: CPU, double-core more than 2.0; Internal memory: more than 2G; Hard disk, more than 20G; XP operating system.The software kit installed in host computer can design according to the functional specification of Q/GDW series standard.
Illustrate that application apparatus of the present invention carry out the process of intelligent electric energy meter functional test below:
Example 1: instantaneously to freeze
1) test prepares:
Be installed in by electric energy meter in the spring Jie Biao mechanism of proving installation, open inspection software and the functional test software of proving installation, pick-up unit rises to electric energy meter rated voltage.
2) test basis: Q/GDW354-2009 intelligent electric energy meter functional specification the 4.7th article.
3) test procedure:
3.1) electric energy meter is had good luck
3.1.1) by device loading current virtual load.Current value Imax, power factor 1.0;
3.1.2) have good luck duration 2min.Electric current virtual load is cut off after terminating;
3.1.3) by device loading current virtual load.Current value-Imax, power factor 1.0;
3.1.4) have good luck duration 3min.Electric current virtual load is cut off after terminating.
3.2) the electric energy meter time is revised
Send instructions by under electric energy meter communication interface, amendment electric energy meter date-time, is set to current time of day by electric energy meter date-time.
3.3) current active energy data are read
Read and record current active energy data, as shown in table 1.
Table 1. is gained merit total energy data
| Data Identification | Data item | Read/write | Parameter code name |
| 00010000 | Current forward is gained merit total electric energy | Read | Ai |
| 00010100 | Current forward is gained merit rate 1 electric energy | Read | Bi |
| 00010200 | Current forward is gained merit rate 2 electric energy | Read | Ci |
| 00010300 | Current forward is gained merit rate 3 electric energy | Read | Di |
| 00010400 | Current forward is gained merit rate 4 electric energy | Read | Ei |
| 00020000 | Current oppositely meritorious total electric energy | Read | Fi |
| 00020100 | Current oppositely meritorious rate 1 electric energy | Read | Gi |
| 00020200 | Current oppositely meritorious rate 2 electric energy | Read | Hi |
| 00020300 | Current oppositely meritorious rate 3 electric energy | Read | Ii |
| 00020400 | Current oppositely meritorious rate 4 electric energy | Read | Ji |
3.4) each transmission orders front repetition step 3.1), issue instantaneous freeze command by functional test software, record every subcommand transmitting time, change repeats step 3.3 after the time).
3.5) the secondary instantaneous freeze-off time of i (i=01H ~ 03H), forward active energy data, oppositely active energy data on reading power meters, as shown in table 2.
The instantaneous freezing data of table 2.
| Data Identification | Data item | Read/write | Data content |
| 050100i | Upper i instantaneous freeze-off time | Read | Ki |
| 050101i | Instantaneously freeze forward active energy data upper i time | Read | Li；Mi；Ni；Oi；Pi |
| 050102i | Instantaneously freeze reverse active energy data upper i time | Read | Qi；Ri；Si；Ti；Ui |
4) decision condition:
Calculate each step test in Ai-L(4-i), Bi-M(4-i) ... Ji-U(4-i), if result of calculation is equal to 0 and upper i instantaneous freeze-off time Ki equals command record issues front and back 5 seconds, then stand the test, otherwise defective.
Example 2: be that cycle timing is freezed with the moon
1) test prepares:
Be installed in by electric energy meter in the spring Jie Biao mechanism of proving installation, open inspection software and the functional test software of proving installation, proving installation rises to electric energy meter rated voltage.
2) test basis: Q/GDW354-2009 intelligent electric energy meter functional specification the 4.7th article a).
3) test procedure:
3.1) optimum configurations
By functional test software, electric energy meter timing freeze-off time is set to be freeze in the cycle with the moon.
3.2) electric energy meter is had good luck
3.2.1) by stage body loading current virtual load.Current value Imax, power factor 0.5L;
3.2.2) have good luck duration 2min.Electric current virtual load is cut off after terminating;
3.2.3) by stage body loading current virtual load.Current value Imax, power factor-0.5L;
3.2.4) have good luck duration 3min.Electric current virtual load is cut off after terminating.
3.3) the electric energy meter time is revised
Send instructions by under electric energy meter communication interface, amendment electric energy meter date-time, arranges content as table 3.
Table 3. date-time is arranged
| Data Identification | Data item | Read/write | Data content | Data implication |
| 04000101 | Date | Write | 10123105 | On Dec 31st, 10 |
| 04000102 | Time | Write | 235950 | When 23 59 points 50 seconds |
3.4) current active energy data are read
Read and record current active energy data, reading of content is as table 4.
Table 4. is gained merit total energy data
| Data Identification | Data item | Read/write | Parameter code name |
| 00010000 | Current forward is gained merit total electric energy | Read | Ai |
| 00010100 | Current forward is gained merit rate 1 electric energy | Read | Bi |
| 00010200 | Current forward is gained merit rate 2 electric energy | Read | Ci |
| 00010300 | Current forward is gained merit rate 3 electric energy | Read | Di |
| 00010400 | Current forward is gained merit rate 4 electric energy | Read | Ei |
| 00020000 | Current oppositely meritorious total electric energy | Read | Fi |
| 00020100 | Current oppositely meritorious rate 1 electric energy | Read | Gi |
| 00020200 | Current oppositely meritorious rate 2 electric energy | Read | Hi |
| 00020300 | Current oppositely meritorious rate 3 electric energy | Read | Ii |
| 00020400 | Current oppositely meritorious rate 4 electric energy | Read | Ji |
| 00030000 | Present combination is idle 1 total electric energy | Read | Ki |
| 00030100 | Present combination is idle 1 rate 1 electric energy | Read | Li |
| 00030200 | Present combination is idle 1 rate 2 electric energy | Read | Mi |
| 00030300 | Present combination is idle 1 rate 3 electric energy | Read | Ni |
| 00030400 | Present combination is idle 1 rate 4 electric energy | Read | Oi |
| 00040000 | Present combination is idle 2 total electric energy | Read | Pi |
| 00040100 | Present combination is idle 2 rate 1 electric energy | Read | Qi |
| 00040200 | Present combination is idle 2 rate 2 electric energy | Read | Ri |
| 00040300 | Present combination is idle 2 rate 3 electric energy | Read | Si |
| 00040400 | Present combination is idle 2 rate 4 electric energy | Read | Ti |
3.5) timing: the stand-by period runs to 00:00:10.
3.6) repeated step 3.2 before each change time, the time will change to table 5 data respectively, change repeats step 3.4 after the time, and 3.5.
Table 5. date-time is arranged
3.7) the secondary timing freeze-off time of i (i=01H ~ 0CH) on reading power meters, forward active energy data, reverse active energy data, combine idle 1 data energy data, combine idle 2 energy datas.Reading of content is as table 6.
Table 6. timing freezing data
| Data Identification | Data item | Read/write | Data content |
| 050000i | Upper i timing freeze-off time | Read | AOi |
| 050001i | Forward active energy data are freezed in upper i timing | Read | Ui；Vi；Wi；Xi；Yi |
| 050002i | Reverse active energy data are freezed in upper i timing | Read | Zi；AAi；ABi；ACi；ADi |
| 050003i | Upper i timing is freezed to combine idle 1 energy data | Read | AEi；AFi；AGi；AHi；AIi |
| 050004i | Upper i timing is freezed to combine idle 2 energy datas | Read | AJi；AKi；ALi；AMi；ANi |
4) decision condition:
Calculate each step test in Ai-U(13-i), Bi-V(13-i), Ci-W(13-i) ... Ti-AN(13-i), if result of calculation is equal to 0 and upper i timing freeze-off time AOi equals 1min after each modification time, stand the test, otherwise defective.
Example 3: communication baud rate is arranged
1) test prepares:
Be installed in by electric energy meter in the spring Jie Biao mechanism of proving installation, open inspection software and the functional test software of proving installation, proving installation rises to electric energy meter rated voltage.
2) test basis:
Q/GDW364-2009 single-phase intelligent electric energy meter technical manual 4.2.3 article.
3) test procedure:
3.1) amendment baud rate is 1200bit/s
Be 2400bit/s by the Configuration of baud rate of functional test software, by functional test software, tested electric energy meter communication baud rate is set to 1200bit/s, the baud rate of change bitcom is 1200bit/s, copy reading electric energy meter table number (Data Identification: 04000402).
3.2) amendment baud rate is 2400bit/s
Be 1200bit/s by the Configuration of baud rate of functional test software, by functional test software, tested electric energy meter communication baud rate is set to 2400bit/s, the baud rate of change bitcom is 2400bit/s, copy reading electric energy meter table number (Data Identification: 04000402).
3.3) amendment baud rate is 4800bit/s
Be 2400bit/s by the Configuration of baud rate of functional test software, by functional test software, tested electric energy meter communication baud rate is set to 4800bit/s, the baud rate of change bitcom is 4800bit/s, copy reading electric energy meter table number (Data Identification: 04000402).
3.4) amendment baud rate is 9600bit/s
Be 4800bit/s by the Configuration of baud rate of functional test software, by functional test software, tested electric energy meter communication baud rate is set to 9600bit/s, the baud rate of change bitcom is 9600bit/s, copy reading electric energy meter table number (Data Identification: 04000402).
4) decision condition:
Above can the success of copy reading electric energy meter table number in each step, and data are correct, then and test findings is qualified, otherwise is defective.
Above-described embodiment is only illustrate for convenience of explanation, and protection scope of the present invention should be as the criterion with described in claims, but not is only limitted to above-described embodiment.
Claims (9)
1. a function test device of intelligent electric energy meter, is characterized in that, comprises precision measurement power supply, voltage multichannel isolation transformer, epi-position control display module, plucks table pocket watch module, Jie Biao mechanism, serial communication server and host computer;
Described precision measurement power supply export measuring current to described in pluck table pocket watch module, export test voltage to described voltage multichannel isolation transformer; Described precision measurement power supply comprises: host scm, display and keyboard unit, relay control unit, waveform storage unit, D/A converting unit, DC reference unit, electric current and voltage power amplifier, relay unit, sampling unit and communication unit, and host scm controls display and keyboard unit, relay control unit, waveform storage unit, D/A converting unit, DC reference unit respectively; The voltage current waveform of the preset digital quantity of waveform storage unit; D/A converting unit converts analog quantity according to specific sequential digital quantity by host scm with reference to the DC reference of DC reference unit, generates the voltage current waveform of simulation, and is sent in electric current and voltage power amplifier and amplifies; Relay unit is arranged to the way of output of fixing by the control of relay control unit, the voltage and current signal amplified is exported; Sampling unit sampled output signal, a road send display and keyboard unit to show in real time through host scm, and another road feeds back to electric current and voltage power amplifier, finely tunes output in real time;
Described voltage multichannel isolation transformer provide the test voltage of each road intelligent electric energy meter to described in pluck table pocket watch module, and provide feedback voltage signal for described precision measurement power supply;
Described epi-position controls the control data that display module receives described precision measurement power supply, controls the dislodging of intelligent electric energy meter; Described epi-position controls display module and also connects intelligent electric energy meter, completes partial function test;
Described plucking shows epi-position control display module described in pocket watch model calling, for completing the dislodging of intelligent electric energy meter;
Table pocket watch module is plucked, for attaching intelligent electric energy meter described in described Jie Biao mechanism connects;
Described host computer controls described precision measurement power supply, and is communicated with intelligent electric energy meter by described serial communication server.
2. device as claimed in claim 1, is characterized in that: described precision measurement power supply connects described epi-position by RS485 communication serial ports and controls display module, and described precision measurement power supply connects described host computer by RS232 communication serial ports.
3. device as claimed in claim 1, is characterized in that, described voltage multichannel isolation transformer comprises multiple parallel transformer secondary laid out, and is connected to each epi-position.
4. device as claimed in claim 1, is characterized in that, described epi-position controls display module and comprises single-chip microcomputer, LED drive chip, LED, optical coupling isolation circuit, comparator circuit, shaping circuit and data-latching circuit.
5. device as claimed in claim 1, is characterized in that, described in pluck table pocket watch module and comprise current relay, voltage relay and controllable silicon.
6. device as claimed in claim 1, it is characterized in that, described Jie Biao mechanism is spring Jie Biao mechanism.
7. device as claimed in claim 1, is characterized in that, described serial communication server adopts the concurrent mechanics of communication of TCP/IP thread serial port.
8. device as claimed in claim 1, is characterized in that, controls display module to transfer the communication realized between described host computer and intelligent electric energy meter by described epi-position.
9. device as claimed in claim 1, is characterized in that, by described serial communication server is directly connected with intelligent electric energy meter the communication realized between described host computer and intelligent electric energy meter.
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| CN103869276A (en) * | 2012-12-18 | 2014-06-18 | 苏州工业园区新宏博通讯科技有限公司 | Meter calibration and detection device |
| CN103389485B (en) * | 2013-07-26 | 2015-12-23 | 浙江恒业电子有限公司 | Detection device of electric energy meter and detection method |
| CN105911507A (en) * | 2016-04-21 | 2016-08-31 | 国网上海市电力公司 | Electric energy meter function test device |
| CN106526457A (en) * | 2016-12-21 | 2017-03-22 | 成都秦川科技发展有限公司 | Circuit board detection instrument and system |
| CN111239675B (en) * | 2020-02-24 | 2022-04-12 | 云南电网有限责任公司电力科学研究院 | Multi-meter parallel traversal test method and system for multi-core module electric energy meter minute freezing |
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| CN201444194U (en) * | 2008-10-16 | 2010-04-28 | 鹤岗电业局 | Comprehensive detection device for single-phase electric energy meter |
| CN101770007A (en) * | 2008-12-31 | 2010-07-07 | 深圳市科陆电子科技股份有限公司 | Electric energy meter test system and method thereof |
| CN101556324B (en) * | 2009-05-12 | 2012-05-23 | 深圳市科陆电子科技股份有限公司 | Pressure test device and method thereof for multi-epitope electric energy meter |
| CN101718853A (en) * | 2009-11-20 | 2010-06-02 | 深圳市科陆电子科技股份有限公司 | Detecting device and detecting method of single-phase double-loop metering electric energy meter |
| CN101876694B (en) * | 2009-11-24 | 2012-10-03 | 湖北省电力试验研究院 | Configuration software based function detection device of multifunctional electric energy meter and method thereof |
| CN202404227U (en) * | 2012-05-16 | 2012-08-29 | 北京北研兴电力仪表有限责任公司 | Function testing device for intelligent electric energy meters |
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