CN202995023U - Electric parameter testing device of electric energy measuring module - Google Patents
Electric parameter testing device of electric energy measuring module Download PDFInfo
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- CN202995023U CN202995023U CN 201220591968 CN201220591968U CN202995023U CN 202995023 U CN202995023 U CN 202995023U CN 201220591968 CN201220591968 CN 201220591968 CN 201220591968 U CN201220591968 U CN 201220591968U CN 202995023 U CN202995023 U CN 202995023U
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Abstract
The utility model discloses an electric parameter testing device of an electric energy measuring module, wherein the electric parameter testing device is composed of an FCT (Filament Center Tap) testing device, a control box, a collecting card and a PC (Personal Computer), the control box is connected to the collecting card and the interface board of the FCT testing device through a connecting plate of the control box, the FCT testing device is connected to the collecting card through a daily rate calibrator of the FCT testing device, and the collecting card is coupled with the PC. The data collecting card is integrated on the PC, and the voltage and communication frequency are controlled via the control box.
Description
Technical field
The utility model relates to the electric measuring instrument apparatus field, more particular words it, the utility model relates to a kind of device of measuring the electric energy metering module electric parameter.
Background technology
At present, electric measuring instrument, for example instrument, data collection station manufacturing enterprise is in carrying out production test procedure, by manually parameters being operated one by one, mainly by manual installation commissioning device and detecting instrument, do not realize that the robotization of producing detects, cause mistake to detect aobvious, production efficiency reduces.
The utility model content
The utility model is intended to solve the defective that prior art exists, design a kind of electrical parameters measure method and device of electric energy metering module, can effectively avoid aforementioned drawback, can realize resistance, voltage, electric current, communication, the isoparametric on-line synchronous of second error are measured, realize that the robotization of electrical measurement instrument detects.
In order to realize above-mentioned purpose of design, the technical solution of the utility model 1, design a kind of electrical parameters measure method of electric energy metering module, can realize resistance, voltage, electric current, communication, the isoparametric on-line synchronous of second error are measured, and the Auto-mounting of realizing electrical measuring device detects, and need not artificial participation.
In order to realize above-mentioned purpose of design, the technical solution of the utility model 2, design a kind of electrical parameter test device of electric energy metering module, mainly formed by FCT proving installation, control box, capture card and PC, data collecting card is integrated on PC, by control box, voltage and communication frequency is controlled.
Technical solutions of the utility model 1: a kind of electrical parameters measure method of electric energy metering module comprises: 1) model according to an electric energy metering module to be measured arranges corresponding FCT test needle plate and lower platen; 2) by pneumatic means, lower platen and compression leg are pressed down automatically along guide pillar, make the testing needle on the FCT test needle plate contact well with the test point of electric energy metering module to be measured; 3) being connected to a capture card by interface board tests with the electric parameter to described electric energy metering module to be measured; 4) by pneumatic means with lower platen and compression leg along the automatic lifting of guide pillar, make testing needle on the FCT test needle plate and the test point of electric energy metering module to be measured disconnect.
Further, in preferred embodiment of the present utility model, described electric parameter comprises test resistance, test voltage, measuring current, communications parameter and second error.
Further, in preferred embodiment of the present utility model, described test resistance is to draw resistance value by the constant current pressure testing method, and wherein the constant current pressure testing method comprises: connect measuring technique according to Kelvin four lines, 0.05% precision of framework and the 50ppm/ ℃ of constant current source that temperature is floated pass through R
t=V/I draws described resistance value, and wherein V is illustrated in the magnitude of voltage that records under 0.05% precision, and I represents the current value of constant current source.
Further, in preferred embodiment of the present utility model, if described test voltage be in-10V is to+10V scope, the voltage signal values of the metering module to be measured that obtains by capture card is the test voltage value; If be not in-10V is to+10V scope, voltage signal carries out dividing potential drop by a bleeder circuit, and the voltage signal values of obtaining by described capture card multiply by the dividing potential drop coefficient and draws the test voltage value.
Further, in preferred embodiment of the present utility model, set a reference resistor value at the voltage channel of described capture card, draw the measuring current value by described test voltage value divided by this reference resistor value.
Further, in preferred embodiment of the present utility model, test fixture by the FCT proving installation is connected the communication terminal of electric energy metering module to be measured with the communication of FCT interface board, require to send corresponding order according to functional test, represents the communication success if successfully receive the Returning communication frame.
Further, in preferred embodiment of the present utility model, the test fixture by the FCT proving installation is connected module to be measured with the diurnal inequality tester, and the numerical value that the diurnal inequality check meter is measured transfers data to PC by 232 serial ports of PC.
Technical solutions of the utility model 2: a kind of electrical parameter test device of electric energy metering module, formed by FCT proving installation, control box, capture card and PC, wherein said control box is connected to the interface board of capture card and FCT proving installation by its web joint, described FCT proving installation is connected to capture card by its diurnal inequality tester, and described capture card and PC are coupled.
Further, in preferred embodiment of the present utility model, described FCT proving installation comprises base and mutually fenced with it shell, and base in the enclosure is provided with interface board, and described interface board further is connected to the FCT test needle plate by reference column; Further be provided with pneumatic means, described pneumatic means is connected to a lower platen, and described lower platen is fixed in the shell inside top by several guide pillars.
Further, in preferred embodiment of the present utility model, described lower platen is double-decker, is connected and fixed by joint pin between two-layer lower platen; Be provided with compression leg on the lower surface of described lower platen.
Further, in preferred embodiment of the present utility model, be provided with the testing needle with the interface board electrical contact on described FCT test needle plate.
Description of drawings
Preferred implementation of the present utility model will be following by embodying with reference to the mode of accompanying drawing in detail, and the identical function components/modules in figure is with same-sign mark in addition, wherein
Fig. 1 is the structure principle chart of the electrical parameter test device of the utility model electric energy metering module;
Fig. 2 is the cross-section structure view of the utility model FCT proving installation.
Embodiment
See figures.1.and.2, the electrical parameters measure method of the utility model electric energy metering module comprises: 1) model according to an electric energy metering module 7 to be measured arranges corresponding FCT test needle plate 5 and lower platen 10; 2) by pneumatic means 12, lower platen 10 and compression leg 8 are pressed down automatically along guide pillar 11, make the testing needle 6 on FCT test needle plate 5 contact well with the test point of electric energy metering module 7 to be measured; 3) be connected to a capture card 300 so that the electric parameter of described electric energy metering module 7 to be measured is tested by interface board 2; 4) by pneumatic means 12 with lower platen 10 and compression leg 8 along the automatic lifting of guide pillar 11, make the test point disconnection of testing needle 6 and electric energy metering module 7 to be measured on FCT test needle plate 5.
After test finished, the above step of inverted repeat can enter the next round test.
Further, in preferred embodiment of the present utility model, described electric parameter comprises test resistance, test voltage, measuring current, communications parameter and second error.
Further, in preferred embodiment of the present utility model, described test resistance is to draw resistance value by the constant current pressure testing method, and wherein said constant current pressure testing method comprises: connect measuring technique according to Kelvin four lines, 0.05% precision of framework and the 50ppm/ ℃ of constant current source that temperature is floated pass through R
t=V/I draws described resistance value, and wherein V is illustrated in the magnitude of voltage that records under 0.05% precision, and I represents the current value of constant current source.
Further, in preferred embodiment of the present utility model, if described test voltage be in-10V is to+10V scope, the voltage signal values of the metering module to be measured 7 that obtains by capture card is the test voltage value; If be not in-10V is to+10V scope, voltage signal carries out dividing potential drop by a bleeder circuit, and the voltage signal values of obtaining by described capture card multiply by the dividing potential drop coefficient and draws the test voltage value.
Further, in preferred embodiment of the present utility model, set a reference resistor value at the voltage channel of described capture card, draw the measuring current value by described test voltage value divided by this reference resistor value.
Further, in preferred embodiment of the present utility model, test fixture by FCT proving installation 100 is connected the communication terminal of electric energy metering module 7 to be measured with interface board 2 communications, require to send corresponding order according to functional test, represent the communication success if successfully receive the Returning communication frame.
Further, in preferred embodiment of the present utility model, test fixture by FCT proving installation 100 is connected module 7 to be measured with diurnal inequality tester 110, the numerical value of diurnal inequality check meter 110 measurements is passed through 232 serial ports of PC 400, transfers data to PC 400.
Technical solutions of the utility model 2: a kind of electrical parameter test device of electric energy metering module, it is characterized in that: its FCT proving installation 100, control box 200, capture card 300 and PC 400 form, wherein said control box 200 is connected to the interface board 2 of capture card 300 and FCT proving installation 100 by its web joint 210, described FCT proving installation 100 is connected to capture card 300 by its diurnal inequality tester 110, and described capture card 300 is coupled with PC 400.
Wherein, control box 200 comprises power board 220, communication board 230 and the web joint 210 that instead is not electrically connected to both, on the one hand provide voltage of power by power board 220 for FCT proving installation 100 and capture card 300, control on the other hand the communication frequency of capture card 300 and module to be measured 7.
Further, in preferred embodiment of the present utility model, described FCT proving installation 100 comprises base 1 and mutually fenced with it shell 20, be provided with interface board 2 on base 1 in shell 20, described interface board 2 further is connected to FCT test needle plate 5 by reference column 3, can be in addition fastening by screw 4.Can install for example electric energy meter of a module 7(to be measured on needle plate 5, acquisition terminal or concentrator devices etc.), and be integrated with test lead and interface on needle plate 5, convenient test is used.Further have additional pneumatic means 12, described pneumatic means 12 is connected to a lower platen 10, and described lower platen 10 is fixed in shell 20 inside top by several guide pillars 11.
Further, in preferred embodiment of the present utility model, described lower platen 10 is double-decker, has better buffering and fixation.Be connected and fixed by joint pin 9 between two-layer lower platen 10; Be provided with compression leg 8 on the lower surface of described lower platen 10.When fixing electric energy meter 7, send the successful connection signal by interface board 2 to capture card 300 and PC 400, PC 400 by interface board 2 signal transmissions, starts pneumatic means 12 lower platen 10 is compressed electric energy meter 7 downwards along guide pillar 11 at this moment.
Further, in preferred embodiment of the present utility model, be provided with the testing needle 6 with interface board 2 electrical contacts on described FCT test needle plate 5, connect test loop by the testing needle 6 of needle plate 5 bottom sides this moment, and sending the connection signal to capture card 300, capture card 300 sends test parameters to electric energy meter 7.
Further, in preferred embodiment of the present utility model, described PC 400 comprises a display unit 410, is used for the electric parameter data value that shows that electric energy meter 7 sends to capture card 300.
These are only preferred implementation of the present utility model, be intended to embody outstanding technique effect of the present utility model and advantage, is not to be restriction to the technical solution of the utility model.Those skilled in the art will appreciate that all modifications of having done based on the utility model technology contents, variation or substitute technology feature, all should be covered by in the technology category of the utility model claims opinion.
Claims (4)
1. the electrical parameter test device of an electric energy metering module, it is characterized in that: it is comprised of FCT proving installation (100), control box (200), capture card (300) and PC (400), wherein said control box (200) is connected to the interface board (2) of capture card (300) and FCT proving installation (100) by its web joint (210), described FCT proving installation (100) is connected to capture card (300) by its diurnal inequality tester (110), and described capture card (300) is coupled with PC (400).
2. the electrical parameter test device of electric energy metering module according to claim 1, it is characterized in that: described FCT proving installation (100) comprises base (1) and mutually fenced with it shell (20), be provided with interface board (2) on base (1) in shell (20), described interface board (2) further is connected to FCT test needle plate (5) by reference column (3); Further be provided with pneumatic means (12), described pneumatic means (12) is connected to a lower platen (10), and described lower platen (10) is fixed in shell (20) inside top by several guide pillars (11).
3. the electrical parameter test device of electric energy metering module according to claim 2, it is characterized in that: described lower platen (10) is double-decker, is connected and fixed by joint pin (9) between two-layer lower platen (10); Be provided with compression leg (8) on the lower surface of described lower platen (10).
4. the electrical parameter test device of electric energy metering module according to claim 2, is characterized in that: be provided with the testing needle (6) with interface board (2) electrical contact on described FCT test needle plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591968 CN202995023U (en) | 2012-11-09 | 2012-11-09 | Electric parameter testing device of electric energy measuring module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220591968 CN202995023U (en) | 2012-11-09 | 2012-11-09 | Electric parameter testing device of electric energy measuring module |
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| CN202995023U true CN202995023U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220591968 Expired - Fee Related CN202995023U (en) | 2012-11-09 | 2012-11-09 | Electric parameter testing device of electric energy measuring module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967845A (en) * | 2012-11-09 | 2013-03-13 | 华立仪表集团股份有限公司 | Method and device for testing electric parameters of electric energy measuring module |
| CN105738856A (en) * | 2016-03-28 | 2016-07-06 | 华立科技股份有限公司 | Electric energy meter calibration method having good safety |
| CN105842650A (en) * | 2016-03-28 | 2016-08-10 | 华立科技股份有限公司 | Electric energy meter calibrating method |
| CN111474463A (en) * | 2020-04-27 | 2020-07-31 | Oppo（重庆）智能科技有限公司 | Circuit board test system, circuit board test host and circuit board test method |
-
2012
- 2012-11-09 CN CN 201220591968 patent/CN202995023U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967845A (en) * | 2012-11-09 | 2013-03-13 | 华立仪表集团股份有限公司 | Method and device for testing electric parameters of electric energy measuring module |
| CN102967845B (en) * | 2012-11-09 | 2015-07-08 | 华立仪表集团股份有限公司 | Method and device for testing electric parameters of electric energy measuring module |
| CN105738856A (en) * | 2016-03-28 | 2016-07-06 | 华立科技股份有限公司 | Electric energy meter calibration method having good safety |
| CN105842650A (en) * | 2016-03-28 | 2016-08-10 | 华立科技股份有限公司 | Electric energy meter calibrating method |
| CN105738856B (en) * | 2016-03-28 | 2018-05-08 | 华立科技股份有限公司 | The good electric energy meter calibrating method of security |
| CN105842650B (en) * | 2016-03-28 | 2018-06-19 | 华立科技股份有限公司 | Electric energy meter calibrating method |
| CN111474463A (en) * | 2020-04-27 | 2020-07-31 | Oppo（重庆）智能科技有限公司 | Circuit board test system, circuit board test host and circuit board test method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131109 |