CN204405831U - The calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro - Google Patents
The calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro Download PDFInfo
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- CN204405831U CN204405831U CN201520096795.0U CN201520096795U CN204405831U CN 204405831 U CN204405831 U CN 204405831U CN 201520096795 U CN201520096795 U CN 201520096795U CN 204405831 U CN204405831 U CN 204405831U
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Abstract
The utility model discloses the calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro, for carrying out upgrading calibration and test at least one multifunctional measurement and control ammeter, the multi-functional I/O module that described system comprises background host computer and is attached thereto respectively, calibration power source and communication module, multi-functional I/O module is also connected with communication module, each multifunctional measurement and control ammeter connects multi-functional I/O module respectively, calibration power source and communication module, described background host computer is upgraded to each multifunctional measurement and control ammeter by multi-functional I/O module, and according to the numerical value that the automatic Standard modification power source of the parameterized template of setting in advance exports, the current/voltage analog quantity being read each multifunctional measurement and control ammeter by background host computer RS232 serial ports carries out com-parison and analysis, in the calibration register of the calibration value write multifunctional measurement and control ammeter calculated.This kind of system can solve the inaccurate problem of data that prior art uses upgrading calibration manually and test multifunctional measurement and control ammeter.
Description
Technical field
The utility model belongs to multifunctional measurement and control watt-hour meter device technical field in electric system, particularly a kind of multifunctional measurement and control ammeter auto-update calibration and test macro.
Background technology
Along with the development of adapted power technology, and the demand of Electricity customers, multifunctional measurement and control ammeter replaces traditional analog table on a large scale.Multifunctional measurement and control ammeter not only precision is high, multiple functional, and utilizes multifunctional measurement and control ammeter to communicate with long distance control system, can the ruuning situation of remote monitoring high-low pressure cabinet, and realize the intellectuality of adapted electricity, this is also the development trend of nowadays adapted electricity.
At present, domestic multifunctional measurement and control ammeter producer is all manual hand manipulation to the upgrading calibration of its ammeter and test and fills in test report of dispatching from the factory, this production model there will be some problem following: the calibration accuracy of (1) multifunctional measurement and control ammeter is inadequate, can affect the measurement result of practical application; (2) test result also exists error because manually recording, and this is to the whether qualified existing problems of product, is difficult to the accuracy ensureing data; (3) manual operation may be neglected because of personnel, and the product causing the non-calibration testing of some function or function not to meet the demands becomes specification product.
Based on the variety of problems existed in current ammeter upgrading calibration and test, the present inventor attempts to be solved, and this case produces thus.
Utility model content
The purpose of this utility model, is to provide a kind of multifunctional measurement and control ammeter auto-update to calibrate and test macro, and it can solve the inaccurate problem of data that prior art uses upgrading calibration manually and test multifunctional measurement and control ammeter.
In order to reach above-mentioned purpose, solution of the present utility model is:
The calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro, for carrying out upgrading calibration and test at least one multifunctional measurement and control ammeter; Described system comprises background host computer and the multi-functional I/O module be attached thereto respectively, calibration power source and communication module, wherein, multi-functional I/O module is also connected with communication module, and each multifunctional measurement and control ammeter connects multi-functional I/O module, calibration power source and communication module respectively.Described background host computer is upgraded to each multifunctional measurement and control ammeter by multi-functional I/O module, and according to the numerical value that the automatic Standard modification power source of the parameterized template of setting in advance exports, and carry out com-parison and analysis by the current/voltage analog quantity that background host computer RS232 serial ports reads each multifunctional measurement and control ammeter, in the calibration register of the calibration value write multifunctional measurement and control ammeter calculated; Described background host computer also regulates the logic of multi-functional I/O module to export by communication module, read the simulating signal of relay control signal that each multifunctional measurement and control ammeter exports and the input of calibration power source simultaneously, and automated test data generation is dispatched from the factory test report list.
Above-mentioned multi-functional I/O module comprises 1 upgrading calibration relay group, 1 busy relay group, 1 switching value relay group, 1 switching value acquisition module and at least 1 power supply relay group, wherein, the quantity of power supply relay group and one_to_one corresponding identical with the quantity of multifunctional measurement and control ammeter, the power supply terminal parallel connection of each multifunctional measurement and control ammeter connects one end of corresponding power relay group afterwards, and the other end of this power supply relay group connects power supply; One end of upgrading calibration relay group connects the communication terminal of all multifunctional measurement and control ammeters by bus mode, the other end connects background host computer; One end of busy relay group connects the communication terminal of all multifunctional measurement and control ammeters by bus mode, the other end connects communication module; Connecting valve amount relay group after the switching value corresponding terminal parallel connection of all multifunctional measurement and control ammeters; Banked relay terminal all rear connecting valve amount acquisition modules in parallel of all multifunctional measurement and control ammeters.
Above-mentioned calibration power source adopts three-phase program-controlled calibration power source.
Above-mentioned background host computer is connected with multi-functional I/O module by RS232 mode.
Above-mentioned background host computer is connected with calibration power source by RS232 mode.
Above-mentioned background host computer is connected with communication module by Ethernet.
Above-mentioned communication module is connected with multi-functional I/O module by RS485 mode.
Above-mentioned communication module is connected with each multifunctional measurement and control ammeter by RS485 mode.
After adopting such scheme, the utility model can realize following functions:
(1) successively software upgrading is carried out to multiple stage multifunctional measurement and control ammeter;
(2) background host computer is according to the numerical value such as alternating voltage, alternating current of the automatic Standard modification power source output of the parameterized template of setting in advance, and carry out com-parison and analysis by the current/voltage analog quantity of background host computer RS232 serial ports reading multifunctional measurement and control ammeter, in the calibration register of the calibration value write multifunctional measurement and control ammeter calculated, realize the automatic calibration of multifunctional measurement and control ammeter;
(3) relay logic in multi-functional I/O module is regulated to export by communication module, thus control the input of multifunctional measurement and control ammeter breaker in middle amount signal, read the relay control signal of multifunctional measurement and control ammeter output and the simulating signal such as electric current, voltage of calibration power source input simultaneously, realize the automatic test of multifunctional measurement and control ammeter, and automated test data generation is dispatched from the factory test report list;
After (4) multifunctional measurement and control meter calibrations have been tested, system will automatically switch to the multifunctional measurement and control ammeter of next non-calibration testing, until the whole calibration testing of multifunctional measurement and control ammeter connected is complete.
The utility model can not only improve the degree of accuracy of multifunctional measurement and control meter calibration and test, the error produced when solving manual calibration and test, ensure the qualification rate of institute's test products, also can improve productive capacity every day of multifunctional measurement and control ammeter, reduce human cost etc.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model;
Fig. 2 is the wiring schematic diagram of multifunctional measurement and control ammeter in the utility model.
Embodiment
Below with reference to accompanying drawing, the technical solution of the utility model and beneficial effect are described in detail.
As shown in Figure 1, the utility model provides a kind of multifunctional measurement and control ammeter auto-update to calibrate and test macro, for carrying out upgrading calibration and test at least one the multifunctional measurement and control ammeter connected, specifically comprise multi-functional I/O module, calibration power source, communication module and background host computer, wherein, calibration power source can adopt three-phase program-controlled calibration power source, and it is connected with background host computer by RS232 mode; Described background host computer is connected with communication module by Ethernet; Described multi-functional I/O module is connected with background host computer by RS232 mode, and is connected with communication module by RS485 mode; Described at least one multifunctional measurement and control ammeter connects multi-functional I/O module, calibration power source and communication module respectively, and especially, each multifunctional measurement and control ammeter is connected with communication module by RS485 mode; By above connection, background host computer can realize following functions: (1) carries out software upgrading successively to multiple stage multifunctional measurement and control ammeter; (2) background host computer is according to the numerical value such as alternating voltage, alternating current of the automatic Standard modification power source output of the parameterized template of setting in advance, and carry out com-parison and analysis by the current/voltage analog quantity that background host computer RS232 serial ports reads each multifunctional measurement and control ammeter, the calibration value calculated writes in the calibration register of corresponding multifunctional measurement and control ammeter, realizes the automatic calibration of multifunctional measurement and control ammeter; (3) relay logic in multi-functional I/O module is regulated to export by communication module, thus control the input of multifunctional measurement and control ammeter breaker in middle amount signal, read the relay control signal of multifunctional measurement and control ammeter output and the simulating signal such as electric current, voltage of calibration power source input simultaneously, realize the automatic test of multifunctional measurement and control ammeter, and automated test data generation is dispatched from the factory test report list.After a multifunctional measurement and control ammeter upgrading calibration testing completes, system will automatically switch to the multifunctional measurement and control ammeter of next calibration testing of not upgrading, until the multifunctional measurement and control ammeter connected all is upgraded, calibration testing is complete.
The following detailed description of principle of work of the present utility model with specifically implement action.
As Fig. 2, the power supply terminal of multiple stage multifunctional measurement and control ammeter adopts mode in parallel to be linked into relay group a1 to the an(i.e. power supply relay group of multi-functional I/O module respectively) on.Namely the relay group b(that the communication terminal of multiple stage multifunctional measurement and control ammeter adopts the mode of bus to receive multi-functional I/O module upgrades calibration relay group) and relay group c(and busy relay group) on; Relay group b is connected with background host computer, and relay group c is connected with communication module.Relay group d(and the switching value relay group of multi-functional I/O module is linked into after the On-off signal corresponding terminal parallel connection of multiple stage multifunctional measurement and control ammeter) on.Be linked on the switching value acquisition module e of multi-functional I/O module after the relay of multiple stage multifunctional measurement and control ammeter exports whole parallel connection.
As Fig. 2, every platform multifunctional measurement and control ammeter has the corresponding relay group (a1 to an) controlling the input of its working power.Background host computer is said the word by communication module, and to control its relay group a1 to an to multi-functional I/O module closed or disconnect, and controls powering on of multifunctional measurement and control ammeter and power-off, can realize upgrading successively and the calibration of multiple stage multifunctional measurement and control ammeter with this.In addition also can whole closing relay group a1 to an, carry out three remote measurements examinations of multiple stage multifunctional measurement and control ammeter simultaneously.
As Fig. 2, background host computer says the word to multi-functional I/O module, pilot relay group b closes, relay group c disconnects, background host computer is directly connected with multifunctional measurement and control ammeter via closed relay group b by RS232 serial ports, and then the background host computer control separate unit multifunctional measurement and control ammeter that says the word powers on and carries out software upgrading.Upgrade complete, automatically switch next multifunctional measurement and control ammeter, until all multifunctional measurement and control ammeters complete upgrading.
As Fig. 2, background host computer says the word to multi-functional I/O module, and pilot relay group b closes, and relay group c disconnects, and sends order control criterion power source simultaneously and exports the analog quantity such as electric current, voltage of different numerical value to multifunctional measurement and control ammeter.The analog data that background host computer receives multifunctional measurement and control ammeter by RS232 serial ports via closed relay group b compares analysis, calculate calibration value automatically to write in the calibration register of corresponding multifunctional measurement and control ammeter, realize the automatic calibration of multifunctional measurement and control ammeter.
As Fig. 2, background host computer sends order to multi-functional I/O module, and pilot relay group c closes, and relay group b disconnects, and relay group a1 to an is closed allows all multifunctional measurement and control ammeters all power on; Background host computer sends the current/voltage value that order adjustment criteria power source exports different amplitude simultaneously, the simulating signal of control inputs multifunctional measurement and control ammeter, communication module gathers multifunctional measurement and control ammeter data and is forwarded to background host computer analysis, completes the test of the analog quantity such as electric current, voltage.In multi-functional I/O module, relay group d accesses the remote signalling terminal of multifunctional measurement and control ammeter, by the On-off signal signal of deciliter control multifunctional measurement and control ammeter of relay group d, through communication module collection to background analysis, completes remote signalling performance test.In multi-functional I/O module, switching value acquisition module e is connected to banked relay terminal in multifunctional measurement and control ammeter, be used for collecting test multifunctional measurement and control ammeter banked relay output signal, be forwarded to background host computer analysis through communication module, complete banked relay performance test.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, those skilled in the art, when not departing from spirit and scope of the present utility model, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present utility model, are limited by each claim.
Claims (8)
1. the calibration of multifunctional measurement and control ammeter auto-update and a test macro, for carrying out upgrading calibration and test at least one multifunctional measurement and control ammeter; It is characterized in that: described system comprises background host computer and the multi-functional I/O module be attached thereto respectively, calibration power source and communication module, wherein, multi-functional I/O module is also connected with communication module, and each multifunctional measurement and control ammeter connects multi-functional I/O module, calibration power source and communication module respectively.
2. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, it is characterized in that: described multi-functional I/O module comprises 1 upgrading calibration relay group, 1 busy relay group, 1 switching value relay group, 1 switching value acquisition module and at least 1 power supply relay group, wherein, the quantity of power supply relay group and one_to_one corresponding identical with the quantity of multifunctional measurement and control ammeter, the power supply terminal parallel connection of each multifunctional measurement and control ammeter connects one end of corresponding power relay group afterwards, and the other end of this power supply relay group connects power supply; One end of upgrading calibration relay group connects the communication terminal of all multifunctional measurement and control ammeters by bus mode, the other end connects background host computer; One end of busy relay group connects the communication terminal of all multifunctional measurement and control ammeters by bus mode, the other end connects communication module; Connecting valve amount relay group after the switching value corresponding terminal parallel connection of all multifunctional measurement and control ammeters; Banked relay terminal all rear connecting valve amount acquisition modules in parallel of all multifunctional measurement and control ammeters.
3. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described calibration power source adopts three-phase program-controlled calibration power source.
4. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described background host computer is connected with multi-functional I/O module by RS232 mode.
5. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described background host computer is connected with calibration power source by RS232 mode.
6. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described background host computer is connected with communication module by Ethernet.
7. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described communication module is connected with multi-functional I/O module by RS485 mode.
8. a kind of multifunctional measurement and control ammeter auto-update calibration as claimed in claim 1 and test macro, is characterized in that: described communication module is connected with each multifunctional measurement and control ammeter by RS485 mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520096795.0U CN204405831U (en) | 2015-02-11 | 2015-02-11 | The calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro |
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| CN201520096795.0U CN204405831U (en) | 2015-02-11 | 2015-02-11 | The calibration of a kind of multifunctional measurement and control ammeter auto-update and test macro |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371053A (en) * | 2016-10-27 | 2017-02-01 | 宁波三星医疗电气股份有限公司 | Single-phase electric energy meter debugging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371053A (en) * | 2016-10-27 | 2017-02-01 | 宁波三星医疗电气股份有限公司 | Single-phase electric energy meter debugging device |
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