CN201804100U - Acquisition terminal testing device - Google Patents

Acquisition terminal testing device Download PDF

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Publication number
CN201804100U
CN201804100U CN2010205284168U CN201020528416U CN201804100U CN 201804100 U CN201804100 U CN 201804100U CN 2010205284168 U CN2010205284168 U CN 2010205284168U CN 201020528416 U CN201020528416 U CN 201020528416U CN 201804100 U CN201804100 U CN 201804100U
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acquisition terminal
links
module
voltage
electric current
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Expired - Lifetime
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CN2010205284168U
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郭银山
许达君
顾葳
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Zhejiang Harnpu Power Technology Co Ltd
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Zhejiang Harnpu Power Technology Co Ltd
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Abstract

The utility model relates to an acquisition terminal testing device, which comprises a voltage current power source, a subunit, a serial server and a testing computer. The serial server is connected with the testing computer, the voltage current power source and the subunit. An input end of the voltage current power source is connected with a three-phase mains supply. Voltage current signals outputted from the voltage current power source are connected with a tested acquisition terminal. Remote control signals, remote signals and direct-current voltage control signals outputted from the subunit are connected with the tested acquisition terminal. Direct-current measurement signals outputted from the tested acquisition terminal are connected with the subunit. The tested acquisition terminal is connected with the serial server in wired manner or the tested acquisition terminal is connected with a test computer in wireless manner. The acquisition terminal testing device can simulate operational environment, various field abnormal conditions, voltage phase sequence abnormality, current reversed polarity and the like of an electricity meter conveniently and quickly under control of the testing computer, and can carry out standard production inspection on acquisition terminals, thereby improving quality and yield of the acquisition terminal greatly.

Description

The acquisition terminal proving installation
Technical field
The utility model relates to power equipment and makes the field, relates in particular to a kind of acquisition terminal proving installation of simulating electricity consumption metering environment, determining the correctness that acquisition terminal is communicated by letter with metering electric energy meter.
Background technology
Current, energy-saving and emission-reduction are to alleviate the inevitable choice that the energy retrained, alleviated environmental pressure, realizes the sustainable development of socio-economy, are trends of the times.Be to encourage client's using electricity wisely, country's ladder electricity price of will carrying out in an all-round way.Traditional manual metering mode is difficult to satisfy management expectancy and the service request after the ladder electricity price is implemented, and build the power information acquisition system is to carry out the inevitable choice of ladder electricity price comprehensively.
Propelled at high velocity along with China's intelligent grid construction, acquisition terminal as the intelligent grid device end, its use amount will be more and more universal, acquisition terminal is used for copying multifunctional electric energy meter, but acquisition terminal can be gathered the electricity consumption situation and the teletransmission of electric energy meter automatically and give management host, finishes the intelligent management of each user power utilization amount.Therefore, it is urgent day by day that the test job of acquisition terminal seems, also do not have the testing apparatus of a kind of standardization, mass at present, and this situation has caused particularly electric system great attention of departments at different levels.How correctly, fast instruct each electricity consumption enterprise to carry out the test job of acquisition terminal, improve the efficient of operation of power networks, be that power departments at different levels are puted forth effort the object studied at present.
Summary of the invention
The utility model mainly solves the testing apparatus that does not also have the acquisition terminal of a kind of standardization, mass at present, has influenced the implementation and the intelligent management of ladder electricity price, has also influenced the technical matters of the efficient of operation of power networks; A kind of acquisition terminal proving installation is provided, and it can simulate multiple power utilization environment, simulates various unusual electricity consumption situations, can also realize the communication simulation of multifunctional electric energy meter, thereby whether correctness and acquisition terminal that definite acquisition terminal is communicated by letter with metering electric energy meter is qualified.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises the electric current and voltage power source, extension set, serial server and test computer, described electric current and voltage power source and extension set are equipped with communication interface, test computer links to each other with serial server, the communication interface of serial server and electric current and voltage power source and the communication interface of extension set link to each other, the input end of described electric current and voltage power source links to each other with the three-phase mains, the voltage and current signal of described electric current and voltage power source output links to each other with tested acquisition terminal, the remote signal of described extension set output, remote signals and DC voltage control signal link to each other with described tested acquisition terminal respectively, the direct current measurement signal of tested acquisition terminal output links to each other with described extension set, and described tested acquisition terminal and described serial server be wired to link to each other or described tested acquisition terminal links to each other by wireless telecommunications (GPRS/CDMA) with described test computer.The testing software of acquisition terminal has been installed in the test computer.Test computer sends various control signals by serial server and gives the electric current and voltage power source, make it can simulate multiple power utilization environment, the various unusual electricity consumption situations of simulation, thereby whether the reaction of judging acquisition terminal under these situations is correct.Test computer sends various control signals by serial server and gives extension set, make extension set send remote signal, remote signals and DC voltage control signal and give tested acquisition terminal, thereby whether the reaction of judging acquisition terminal under these signals is correct according to software set.A kind of mode of the working condition of tested acquisition terminal is to return to test computer by serial server (RS232), another kind of mode is directly to send to test computer by wireless network (GPRS/CDMA), the tester can observe the various parameters and the working condition of tested acquisition terminal intuitively on test computer, finish the test job of acquisition terminal.The simulation of various power utilization environments, communication environment all needs only to operate on test computer and just can finish automatically, tests very convenient.
As preferably, described electric current and voltage power source comprises signal source module, electric current and voltage power amplifier module and standard electric energy meter module, the communication interface of electric current and voltage power source links to each other with described signal source module, signal source module links to each other with described electric current and voltage power amplifier module, the electric current and voltage power amplifier module links to each other with described standard electric energy meter module, and the voltage and current signal of standard electric energy meter module output links to each other with described tested acquisition terminal.But signal source module adopts the three-phase signal source by six tunnel independent regulation of dsp chip control, realizes the independent regulation of output voltage, electric current and phase place value, satisfies the needed power utilization environment of tested acquisition terminal.And dsp chip is controlled by the signal that serial server sends by test computer, the amplification of electric current and voltage power amplifier module is passed through in six road three-phase signal sources again, flow to the standard electric energy meter module, read the electricity consumption value that standard electric energy meter obtains by tested acquisition terminal again.
As preferably, described extension set comprises single-chip microcomputer and the Remote Control Interface, remote signalling interface, DC voltage output module, the direct current measurement module that link to each other with single-chip microcomputer, the communication interface of extension set also links to each other with described single-chip microcomputer, and described Remote Control Interface, remote signalling interface, DC voltage output module, direct current measurement module link to each other with described tested acquisition terminal respectively.Test computer sends various control signals to the single-chip microcomputer in the extension set by the communication interface of serial server, extension set, makes single-chip microcomputer send test required various remote signals, remote signals and DC voltage control signal and gives tested acquisition terminal.And some signals that produce on the acquisition terminal flow to the single-chip microcomputer of extension set by the direct current measurement module on the extension set.
As preferably, described acquisition terminal proving installation also comprises a carrier module, and described carrier module not only links to each other with described serial server but also links to each other with tested acquisition terminal.Realized the simulation of acquisition terminal carrier communication function: the communication port of carrier module connects with serial server, carrier module is transferred to serial server with communication packet, serial server is transferred to test computer with communication packet again, and whether the software in the test computer is handled the carrier wave function of judging acquisition terminal by a series of message normal.
As preferably, described test computer links to each other with described tested acquisition terminal by GPRS or cdma wireless network.When adopting GPRS or cdma wireless network and acquisition terminal communication to detect, networking mode has two kinds: test computer adopts wireless modem to dial up on the telephone and sets up data link, the networking mode simple and flexible; Test computer adopts fixedly IP of public network, and test computer connects stable, does not have disconnection.
The beneficial effects of the utility model are: solved in the past in the test that electric weight is differential, the table meter flies away, shows some technological difficulties such as meter stops walking, electric flux is overproof, the simulation of running environment is strong, can simulate easily that on-the-spot various abnormal conditions, voltage phase sequence are unusual, electric current reversed polarity etc., these needed the project of artificial wiring simulated operation in the past, the utility model can realize having very strong robotization, intelligent performance quickly and easily by the control of test computer.Adopt communication mode more flexibly, under the situation that does not have power office's private network, also can adopt the common network of commmunication company to test.By the utility model, can carry out conveniently standardized production check to acquisition terminal, improved the quality and the output of acquisition terminal greatly.
Description of drawings
Fig. 1 is that a kind of system of the present utility model connects block diagram.
Fig. 2 is that a kind of circuit of electric current and voltage power source in the utility model connects block diagram.
Fig. 3 is that a kind of circuit of extension set in the utility model connects block diagram.
Fig. 4 is the synoptic diagram that test computer and tested acquisition terminal link to each other by wireless network in the utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the acquisition terminal proving installation of present embodiment, as shown in Figure 1, comprise electric current and voltage power source 1, extension set 2, serial server 3, carrier module 7 and test computer 4, electric current and voltage power source 1 and extension set 2 all have communication interface, test computer 4 links to each other with serial server 3, the communication interface 14 of serial server 3 and electric current and voltage power source 1 and the communication interface 26 of extension set 2 link to each other, and carrier module 7 not only links to each other with serial server 3 but also links to each other with tested acquisition terminal 6.As shown in Figure 2, electric current and voltage power source 1 comprises signal source module 11, electric current and voltage power amplifier module 12 and standard electric energy meter module 13, the communication interface 14 of electric current and voltage power source links to each other with signal source module 11, one side of signal source module 11 links to each other with three-phase mains 5, the opposite side of signal source module 11 links to each other with electric current and voltage power amplifier module 12, electric current and voltage power amplifier module 12 links to each other with standard electric energy meter module 13, and the voltage and current signal and the power consumption signal of 13 outputs of standard electric energy meter module link to each other with tested acquisition terminal 6.As shown in Figure 3, extension set 2 comprises single-chip microcomputer 21 and the Remote Control Interface 22, remote signalling interface 23, DC voltage output module 24, the direct current measurement module 25 that link to each other with single-chip microcomputer 21, the communication interface 26 of extension set also links to each other with single-chip microcomputer 21, the DC voltage control signal of the remote signals of the remote signal of Remote Control Interface 22 outputs, 23 outputs of remote signalling interface, 24 outputs of DC voltage output module links to each other with tested acquisition terminal 6 respectively, and the direct current measurement signal of tested acquisition terminal 6 outputs flows to single-chip microcomputer 21 by the direct current measurement module 25 of extension set.Present embodiment has adopted 8 bit single-chip systems, extension set of each tested acquisition terminal configuration, and each extension set can independently be controlled, and 8 tunnel remote signalling amounts, 8 tunnel remote control amounts, 4 road pulsed quantities are provided respectively, and can be by the direct Communication Control of test computer.Tested acquisition terminal 6 and serial server 3 link to each other by communication cable.
The testing software of acquisition terminal has been installed in the test computer.Test computer sends various control signals by serial server and gives the electric current and voltage power source, make it can simulate multiple power utilization environment, the various unusual electricity consumption situations of simulation, thereby whether the reaction of judging acquisition terminal under these situations is correct.But the electric current and voltage power source adopts the three-phase signal source by six tunnel independent regulation of dsp chip control, realizes the independent regulation of output voltage, electric current and phase place value, satisfies the needed power utilization environment of tested acquisition terminal.Test computer sends various control signals by serial server and gives extension set, make extension set send remote signal, remote signals and DC voltage control signal and give tested acquisition terminal, thereby whether the reaction of judging acquisition terminal under these signals is correct according to software set.The working condition of tested acquisition terminal returns to test computer by serial server, and the tester can observe the various parameters and the working condition of tested acquisition terminal intuitively on test computer, finish the test job of acquisition terminal.The simulation of various power utilization environments, communication environment all needs only to operate on test computer and just can finish automatically, tests very convenient.
When testing by serial server, each test position has one independently 232 mouthfuls, is responsible for carrying out communication with tested acquisition terminal.Test under this communication modes, do not have problems such as landing networking between acquisition terminal and the testing software, and do not produce the wireless telecommunications expense, directly can test, communication is reliable, and is economical and practical.
Certainly, test computer 4 can also carry out wireless telecommunications by GPRS or cdma wireless network 8 and tested acquisition terminal 6, as shown in Figure 4.When adopting GPRS or cdma wireless network and acquisition terminal communication to detect, networking mode has two kinds: test computer adopts wireless modem to dial up on the telephone and sets up data link, the networking mode simple and flexible; Test computer adopts fixedly IP of public network, and test computer connects stable, does not have disconnection.
Serial server in the utility model is realized the communication protocol expansion, software has been realized the simulation of DL/T645-1997 and DL/T645-20077 stipulations, can send various abnormality according to the scheme that the software system in the test computer is set, stop walking, show states such as meter flies away, requirement zero clearing, period rate change as the table meter.Can simulate 100 volts of phase three-wire threes, two kinds of multi-function watt-hour meters of 220/380 volt of three-phase and four-line, accuracy rating 1.0, tariff period can be provided with differential ratio, the size of current when the table meter flies away as differential function arbitrarily by the default emulation mode, realizes the simulation of flying away under the little current conditions.Can also the various unusual electricity consumption situations of simulated field, as the manual return-to-zero of electric energy meter requirement, change the period, change rate, change unusual environment such as pulse constant, terminal remote signalling quantitative change position.
Test computer control electric current and voltage power source output relevant work voltage, simulation electric energy meter output forward electric weight, reverse electric weight, voltage, electric current, rate, period etc.The acquisition terminal communication interface adopts special-purpose 485 mouthfuls.Test computer reads the simulation electric energy meter output valve that acquisition terminal reads by communication interface (non-485 interfaces of communicating by letter with ammeter), and compares according to the value of reading back and the value of setting, determines the correctness that acquisition terminal is communicated by letter with metering electric energy meter.The electric energy meter of software simulation should change the communication protocol of electric energy meter.
Testing process:
1, system's setting: system's necessary parameter is set.
2, testing scheme setting: set testing scheme, comprise the amplitude of electric current, voltage and phase angle, test duration.Simulation table parameter setting: the abnormality that simulation table necessary parameter and simulation table are set.Software is furnished with the testing scheme of acquiescence, can adopt the standard testing scheme of acquiescence that acquisition terminal is tested for elementary tester, also can self-defined testing scheme, can oneself testing scheme be set for the advanced test personnel, wherein the electric current and voltage of test event, test point, test point, test duration all can self-definedly be provided with.
3, debugging assistant: can realize any control to device, such as the remote signalling analogue relay action of the output number of arbitrarily controlling the output of remote signalling amount, impulse source pulse, output frequency, output amplitude, output voltage electric current, control device, gather the remote control trip signal.
4, communication test function: realized transmission and reception, utilized this function can manually realize the test request of communications protocol to the acquisition terminal arbitrary frame.
5, data comparisons function: realized acquisition terminal is provided with the comparing function of parameter and query argument, correctness that can the verification setting parameter.Data recovery function: the data of the acquisition terminal that can finish test are recovered, and make the state before the parameter of acquisition terminal returns to test.
6, data acquisition and inquiry, preservation.The test data of software is carried out the result according to content, the time of test event to tested acquisition terminal and is shown that (test data can be converted into Excel report data form, the address number of test terminal is provided, SIM card number, receive unusually, time of origin, unusual content, coding, classification).
7, report output is by the requirement customization that the user provided.

Claims (5)

1. acquisition terminal proving installation, it is characterized in that comprising electric current and voltage power source (1), extension set (2), serial server (3) and test computer (4), described electric current and voltage power source (1) and extension set (2) are equipped with communication interface, test computer (4) links to each other with serial server (3), the communication interface of serial server (3) and electric current and voltage power source (1) and the communication interface of extension set (2) link to each other, the input end of described electric current and voltage power source (1) links to each other with three-phase mains (5), the voltage and current signal of described electric current and voltage power source (1) output links to each other with tested acquisition terminal (6), the remote signal of described extension set (2) output, remote signals and DC voltage control signal link to each other with described tested acquisition terminal (6) respectively, the direct current measurement signal of tested acquisition terminal (6) output links to each other with described extension set (2), and described tested acquisition terminal (6) and described serial server (3) be wired to link to each other or described tested acquisition terminal (6) links to each other by wireless telecommunications with described test computer (4).
2. acquisition terminal proving installation according to claim 1, it is characterized in that described electric current and voltage power source (1) comprises signal source module (11), electric current and voltage power amplifier module (12) and standard electric energy meter module (13), the communication interface of electric current and voltage power source (14) links to each other with described signal source module (11), signal source module (11) links to each other with described electric current and voltage power amplifier module (12), electric current and voltage power amplifier module (12) links to each other with described standard electric energy meter module (13), and the voltage and current signal of standard electric energy meter module (13) output links to each other with described tested acquisition terminal (6).
3. acquisition terminal proving installation according to claim 1, it is characterized in that described extension set (2) comprises single-chip microcomputer (21) and the Remote Control Interface (22), remote signalling interface (23), DC voltage output module (24), the direct current measurement module (25) that link to each other with single-chip microcomputer (21), the communication interface of extension set (26) also links to each other with described single-chip microcomputer (21), and described Remote Control Interface (22), remote signalling interface (23), DC voltage output module (24), direct current measurement module (25) link to each other with described tested acquisition terminal (6) respectively.
4. according to claim 1 or 2 or 3 described acquisition terminal proving installations, it is characterized in that also comprising a carrier module (7), described carrier module (7) not only links to each other with described serial server (3) but also links to each other with tested acquisition terminal (6).
5. according to claim 1 or 2 or 3 described acquisition terminal proving installations, it is characterized in that described test computer (4) links to each other with described tested acquisition terminal (6) by GPRS or cdma wireless network (8).
CN2010205284168U 2010-09-15 2010-09-15 Acquisition terminal testing device Expired - Lifetime CN201804100U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522828A (en) * 2012-01-05 2012-06-27 广西电网公司电力科学研究院 Low voltage reactive power compensation terminal filed detection system and detection method thereof
CN102608563A (en) * 2012-04-17 2012-07-25 上海大亚科技有限公司 Device and method for testing data collecting module in intelligent ammeter
CN103915896A (en) * 2013-01-06 2014-07-09 上海电力通信有限公司 Debugging method for transformer substation comprehensive information acquiring system
CN104459601A (en) * 2014-12-05 2015-03-25 国家电网公司 Simulative electric energy meter testing system used for testing power utilization collecting terminals
CN104952239A (en) * 2014-03-28 2015-09-30 惠州学院 Testing device and testing method for collector
CN105116359A (en) * 2015-09-15 2015-12-02 国网冀北电力有限公司电力科学研究院 Detecting device and detecting system for power utilization information collection terminal
CN106324555A (en) * 2016-10-25 2017-01-11 湖南威胜信息技术有限公司 General virtual electric energy meter for electric energy meter data acquisition terminal test system
CN109462524A (en) * 2018-12-11 2019-03-12 国网湖北省电力有限公司 A kind of intelligent power acquisition terminal detection device and detection method
CN114859283A (en) * 2022-05-09 2022-08-05 国网山东省电力公司营销服务中心(计量中心) System and method for testing full performance of measuring unit

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522828A (en) * 2012-01-05 2012-06-27 广西电网公司电力科学研究院 Low voltage reactive power compensation terminal filed detection system and detection method thereof
CN102608563A (en) * 2012-04-17 2012-07-25 上海大亚科技有限公司 Device and method for testing data collecting module in intelligent ammeter
CN103915896A (en) * 2013-01-06 2014-07-09 上海电力通信有限公司 Debugging method for transformer substation comprehensive information acquiring system
CN103915896B (en) * 2013-01-06 2016-04-20 上海电力通信有限公司 The adjustment method of a kind of transformer station comprehensive information acquisition system
CN104952239A (en) * 2014-03-28 2015-09-30 惠州学院 Testing device and testing method for collector
CN104459601A (en) * 2014-12-05 2015-03-25 国家电网公司 Simulative electric energy meter testing system used for testing power utilization collecting terminals
CN105116359A (en) * 2015-09-15 2015-12-02 国网冀北电力有限公司电力科学研究院 Detecting device and detecting system for power utilization information collection terminal
CN105116359B (en) * 2015-09-15 2018-04-17 国网冀北电力有限公司电力科学研究院 Power information acquisition terminal detection device and system
CN106324555A (en) * 2016-10-25 2017-01-11 湖南威胜信息技术有限公司 General virtual electric energy meter for electric energy meter data acquisition terminal test system
CN109462524A (en) * 2018-12-11 2019-03-12 国网湖北省电力有限公司 A kind of intelligent power acquisition terminal detection device and detection method
CN114859283A (en) * 2022-05-09 2022-08-05 国网山东省电力公司营销服务中心(计量中心) System and method for testing full performance of measuring unit

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Granted publication date: 20110420