CN105866727A - Real-time checking system for electric energy meter calibrating device - Google Patents
Real-time checking system for electric energy meter calibrating device Download PDFInfo
- Publication number
- CN105866727A CN105866727A CN201610410192.2A CN201610410192A CN105866727A CN 105866727 A CN105866727 A CN 105866727A CN 201610410192 A CN201610410192 A CN 201610410192A CN 105866727 A CN105866727 A CN 105866727A
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- electric energy
- standard
- clock
- energy meter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
Abstract
The invention discloses a real-time checking system for an electric energy meter calibrating device. The signal input end of an electric energy standard module is externally connected with a voltage signal and a current signal of a standard calibrating device; the control input ends of the electric energy standard module and a clock standard module are connected with a main controller respectively; the output end of the electric energy standard module is connected with the standard signal input end of an electric energy error calculator; the output end of the clock standard module is connected with the standard signal input end of a clock error calculator; the detection signal input end of the electric energy error calculator is externally connected with a voltage pulse signal of a calibrating device standard electric energy meter; the detection signal input end of the clock error calculator is externally connected with a clock pulse signal of the calibrating device standard electric energy meter; the output ends of the electric energy error calculator and the clock error calculator are connected with the main controller respectively. By adopting the real-time checking system, performance testing can be performed automatically on an inspection device in real time, so that an automatic inspection line for a whole electric energy meter is ensured, and reliable running is ensured. The real-time checking system has a good application prospect.
Description
Technical field
The present invention relates to a kind of real-time checking system for electric energy meter calibrating apparatus, belong to electric energy meter automatic Verification flowing water
Line technology field.
Background technology
The development built along with intelligent grid, domestic has built up multiple single, three-phase electric energy meter automatic calibration streamline, makes
The calibrating obtaining electric energy meter is no longer traditional manual operation, it is achieved that the high-volume of electric energy meter, full-automatic calibrating operation, eliminates
The calibrating mass discrepancy that artificial and region factor causes, is effectively increased calibrating and dispensing work quality efficiency and management through quantification water
Flat.But, under the calibrating pattern that this full-automatic prosthetic is intervened, due to operational approach, environmental condition, use frequency,
The impact of the many factors such as the aged deterioration of transport, vibration and electronic device, performance change, even there is ND fault
Or it is unexpected.
Guarantee the inspection under the duty of long-time big load of the electric energy meter calibrating apparatus on automatic calibration streamline
Determine the accuracy of result, be the problem being badly in need of paying close attention to.The assay device of electric energy meter was all to be examined table by manual operation in the past, tested
Journey there are personnel observing monitoring, can find in time if assay device goes wrong, and Maintenance and Repair can be carried out, but, people
Member's monitoring is not suitable for automatic calibration streamline, and, the assay device of electric energy meter currently also cannot detect the inclined of self
Difference, once assay device goes wrong or fault, then can cause false retrieval or the flase drop of a large amount of electric energy meter.Therefore, to electric energy meter certainly
Assay device on dynamic calibrating streamline detects in real time, verifies, and is current urgent problem.
Summary of the invention
The invention aims to overcome prior art cannot the assay device on electric energy meter automatic Verification streamline be entered
Row detection in real time, the problem verified.Automatically verifying attachment can be carried out performance test in real time, pinpoint the problems and safeguard in time, protect
The overall electric energy meter Automated inspection line of card, reliability service, have a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of real-time checking system for electric energy meter calibrating apparatus, it is characterised in that: include master controller, electric energy master die
Block, electric energy error computer, clock standard module, clocking error computer and monitoring terminal, the letter of described electric energy standard module
Number voltage of the external standard calibrating device of input, current signal, described electric energy standard module, clock standard module control defeated
Entering end to be connected with master controller respectively, the outfan of described electric energy standard module is defeated with the standard signal of electric energy error computer
Entering end to be connected, the outfan of described clock standard module is connected with the standard signal input of clocking error computer, institute
State the voltage pulse signal of the detection signal input part external assay device standard electric energy meter of electric energy error computer, described clock
The clock pulse signal of the detection signal input part external assay device standard electric energy meter of Error Calculator, described electric energy error meter
Calculate device, the outfan of clocking error computer to be connected with master controller respectively, described master controller also by communication module with
Monitoring terminal is connected.
It is previously described for the real-time checking system of electric energy meter calibrating apparatus, it is characterised in that: described master controller is also connected with
There are display, keyboard.
It is previously described for the real-time checking system of electric energy meter calibrating apparatus, it is characterised in that: in described clock standard module
Put high-precision constant temperature clock crystal oscillator, and by shaping and the high-frequency standard clock pulse signal of frequency dividing circuit output 500K.
It is previously described for the real-time checking system of electric energy meter calibrating apparatus, it is characterised in that: described electric energy standard module
Precision is 0.05 grade.
It is previously described for the real-time checking system of electric energy meter calibrating apparatus, it is characterised in that: described clock standard module
Accuracy is 2 × 10-7。
The invention has the beneficial effects as follows: the real-time checking system for electric energy meter calibrating apparatus of the present invention, it is possible in real time
Automatically verifying attachment is carried out performance test, pinpoint the problems and safeguard in time, it is ensured that overall electric energy meter Automated inspection line, reliably transport
OK, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the system block diagram of Acquisition Circuit while the timely clock of electric energy meter electric energy of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.Following example are only used for clearly
Technical scheme is described, and can not limit the scope of the invention with this.
As it is shown in figure 1, the real-time checking system for electric energy meter calibrating apparatus of the present invention, including master controller, electric energy
Standard module, electric energy error computer, clock standard module, clocking error computer and monitoring terminal, described electric energy master die
The voltage of the external standard calibrating device of signal input part of block, current signal, described electric energy standard module, clock standard module
Control input to be connected with master controller respectively, the outfan of described electric energy standard module and the standard of electric energy error computer
Signal input part is connected, and the outfan of described clock standard module is connected with the standard signal input of clocking error computer
Connect, the voltage pulse signal of the detection signal input part external assay device standard electric energy meter of described electric energy error computer, institute
State the clock pulse signal of the detection signal input part external assay device standard electric energy meter of clocking error computer, described electric energy
Error Calculator, the outfan of clocking error computer are connected with master controller respectively, and described master controller is also by communication
Module is connected with monitoring terminal.
Described master controller is also associated with display, keyboard, keyboard and monitoring terminal can set monitoring assay device
More line numerical value, whether display exists deviation for show current electric energy meter calibrating apparatus, can monitor verification in real time current
The performance of electric energy meter calibrating apparatus, the real-time checking system of the present invention starts with assay device every time, can synchronize to detect dress in real time
Put, pinpoint the problems and safeguard in time.
The built-in high-precision constant temperature clock crystal oscillator of described clock standard module, and by shaping and frequency dividing circuit output 500K
High-frequency standard clock pulse signal, the accuracy of clock standard module is 2 × 10-7, when high-frequency standard clock pulses letter is sent into
The clock pulse signal of clock Error Calculator and assay device standard electric energy meter is compared calculating, it is judged that the standard of assay device
Whether clock is qualified.
The precision of described electric energy standard module is 0.05 grade, and electric energy standard module is for the assay device voltage of testing standard
Current signal, gathers voltage, current data, carries out digital integration and be calculated voltage, current effective value and performance number, adopt simultaneously
Carrying out frequency analysis with Fourier computing, obtain the distortion factor of voltage, current waveform, electric energy standard module 2 is according to the merit obtained
Rate value produces the high-frequency standard electrical energy pulse of direct ratio therewith, and high-frequency standard electrical energy pulse sends into electric energy error computer and calibrating dress
Put the voltage pulse signal of standard electric energy meter to compare calculating, it is judged that whether the potential pulse of assay device is qualified.
In sum, the real-time checking system for electric energy meter calibrating apparatus of the present invention, it is possible to the most automatically to inspection
Device carries out performance test, pinpoints the problems and safeguards in time, it is ensured that overall electric energy meter Automated inspection line, reliability service, has good
Good application prospect.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.The technical staff of the industry should
Understanding, the present invention is not restricted to the described embodiments, and the simply explanation present invention's described in above-described embodiment and description is former
Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements
Both fall within scope of the claimed invention.Claimed scope is by appending claims and equivalent circle thereof
Fixed.
Claims (5)
1. the real-time checking system for electric energy meter calibrating apparatus, it is characterised in that: include master controller, electric energy master die
Block, electric energy error computer, clock standard module, clocking error computer and monitoring terminal, the letter of described electric energy standard module
Number voltage of the external standard calibrating device of input, current signal, described electric energy standard module, clock standard module control defeated
Entering end to be connected with master controller respectively, the outfan of described electric energy standard module is defeated with the standard signal of electric energy error computer
Entering end to be connected, the outfan of described clock standard module is connected with the standard signal input of clocking error computer, institute
State the voltage pulse signal of the detection signal input part external assay device standard electric energy meter of electric energy error computer, described clock
The clock pulse signal of the detection signal input part external assay device standard electric energy meter of Error Calculator, described electric energy error meter
Calculate device, the outfan of clocking error computer to be connected with master controller respectively, described master controller also by communication module with
Monitoring terminal is connected.
Real-time checking system for electric energy meter calibrating apparatus the most according to claim 1, it is characterised in that: described master control
Device processed is also associated with display, keyboard.
Real-time checking system for electric energy meter calibrating apparatus the most according to claim 1, it is characterised in that: described clock
The built-in high-precision constant temperature clock crystal oscillator of standard module, and by shaping and the high-frequency standard clock arteries and veins of frequency dividing circuit output 500K
Rush signal.
Real-time checking system for electric energy meter calibrating apparatus the most according to claim 1, it is characterised in that: described electric energy
The precision of standard module is 0.05 grade.
Real-time checking system for electric energy meter calibrating apparatus the most according to claim 1, it is characterised in that: described clock
The accuracy of standard module is 2 × 10-7。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410192.2A CN105866727A (en) | 2016-06-13 | 2016-06-13 | Real-time checking system for electric energy meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610410192.2A CN105866727A (en) | 2016-06-13 | 2016-06-13 | Real-time checking system for electric energy meter calibrating device |
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| Publication Number | Publication Date |
|---|---|
| CN105866727A true CN105866727A (en) | 2016-08-17 |
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ID=56650016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610410192.2A Pending CN105866727A (en) | 2016-06-13 | 2016-06-13 | Real-time checking system for electric energy meter calibrating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
| CN116359833A (en) * | 2023-06-01 | 2023-06-30 | 广东电网有限责任公司 | Centralized verification method, device and equipment for electric energy meter and storage medium |
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| CN203909270U (en) * | 2014-06-04 | 2014-10-29 | 国家电网公司 | Online detection and inspection apparatus of automatic detection assembly line of electric energy meters |
| CN203981869U (en) * | 2014-07-01 | 2014-12-03 | 杭州电子科技大学 | Based on FlexRay bus electric energy Watch Error detection system |
| CN104215931A (en) * | 2014-10-10 | 2014-12-17 | 国家电网公司 | Automatic electric energy meter calibrating device period investigation method |
| CN204154892U (en) * | 2014-10-29 | 2015-02-11 | 国家电网公司 | A kind of device for energy meter standard automatic verification system |
| CN204241685U (en) * | 2014-11-28 | 2015-04-01 | 云南电网公司电力科学研究院 | An a kind of device for energy meter standard accuracy distant place is detected and status monitoring platform |
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2016
- 2016-06-13 CN CN201610410192.2A patent/CN105866727A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203909270U (en) * | 2014-06-04 | 2014-10-29 | 国家电网公司 | Online detection and inspection apparatus of automatic detection assembly line of electric energy meters |
| CN203981869U (en) * | 2014-07-01 | 2014-12-03 | 杭州电子科技大学 | Based on FlexRay bus electric energy Watch Error detection system |
| CN104215931A (en) * | 2014-10-10 | 2014-12-17 | 国家电网公司 | Automatic electric energy meter calibrating device period investigation method |
| CN204154892U (en) * | 2014-10-29 | 2015-02-11 | 国家电网公司 | A kind of device for energy meter standard automatic verification system |
| CN204241685U (en) * | 2014-11-28 | 2015-04-01 | 云南电网公司电力科学研究院 | An a kind of device for energy meter standard accuracy distant place is detected and status monitoring platform |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213686A (en) * | 2020-08-27 | 2021-01-12 | 国网山东省电力公司日照供电公司 | Checking system of automatic calibrating device of electric energy meter |
| CN116359833A (en) * | 2023-06-01 | 2023-06-30 | 广东电网有限责任公司 | Centralized verification method, device and equipment for electric energy meter and storage medium |
| CN116359833B (en) * | 2023-06-01 | 2023-08-18 | 广东电网有限责任公司 | Centralized verification method, device and equipment for electric energy meter and storage medium |
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Application publication date: 20160817 |