CN202256647U - Full-function multi-meter-position voltage monitor calibration device - Google Patents
Full-function multi-meter-position voltage monitor calibration device Download PDFInfo
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- CN202256647U CN202256647U CN2011203655308U CN201120365530U CN202256647U CN 202256647 U CN202256647 U CN 202256647U CN 2011203655308 U CN2011203655308 U CN 2011203655308U CN 201120365530 U CN201120365530 U CN 201120365530U CN 202256647 U CN202256647 U CN 202256647U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 59
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 238000004164 analytical calibration Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 5
- 238000012795 verification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a multi-functional epitope voltage monitor calibration equipment for test a plurality of voltage monitor, its constitution includes: the system comprises a host, a plurality of error calculators connected with the host, a standard source, a power consumption switching and testing module, a hub connected between the host and a voltage monitor, and a bus network connecting the error calculators, the standard source and the power consumption switching and testing module with the host. Adopt the utility model discloses, can carry out automatic full project check-up to many voltage monitoring appearance simultaneously, improve the check-up efficiency, can carry out multiple test to every voltage monitoring appearance multiple parameter.
Description
Technical field
The utility model relates to a kind of global function multi-epitope voltage monitoring instrument calibration equipment.
Background technology
In order to ensure the power supply reliability of electrical network, further promote the reliable power quality of high-quality and safety, country since 2009 rate of qualified voltage and the quality of power supply emphasis as work about electric power; Electric company in all parts of the country is also very early the important indicator of rate of qualified voltage as feedback on performance.The electric network synthetic rate of qualified voltage of 2009 annual national each province is all more than 95%, and the regional rate of qualified voltage that the voltage monitoring instrument mounting points is many all reaches more than 99%.So each area is all at the installation voltage monitoring instrument of increasing input; The calibration interval of national regulation voltage monitoring instrument are important monitoring point 1 years/inferior, general monitoring point 1～3 year/inferior, and the project of detection not only will detect the voltage fundamental error; Also need detection sensitivity, clock accuracy, statistical error function and load; And the detection that proposes clock especially is as an emphasis, and these projects are high through the traditional technique in measuring difficulty, and the time is long; A voltage monitoring instrument clock detection just needs 3 day time through the clock pairing comparision, detects to voltage monitoring instrument and has brought very big workload, makes and detects a difficult problem that becomes work about electric power.
Existing many calibrating installations can only detect error; Like the patent No. is 201020013223.9 voltage monitoring instrument intelligence calibrating platform; It comprises calibrating panel, main frame and standard source; Some calibrating panels are connected with a main frame with some voltage monitoring instruments respectively through circuit, and main frame is connected with standard source through circuit.The utility model provides specification signal through calibrating software control standard source to the calibrating platform; Read the measurement result data of each calibration equipment then; Compare with expectation value or calculated value; Obtain uncertainty of measurement, can realize calibrating, and generate the accuracy probation redport of each voltage monitoring instrument automatically the Voltage detector of different manufacturers, different model.
Tested table is to hang on same group of signal wire and the order wire in the prior art scheme, can't accomplish the clock calibrating of voltage monitoring instrument, power consumption test, power failure test function etc.
Voltage monitoring instrument quantity of installing in all parts of the country is above 100,000; The data of these voltage monitoring instruments are foundations that quality of voltage is administered in each area, are the key technical indexes of each electric company's achievement, directly concern the direct benefit of each electric company; Also concern each user's vital interests; So the accurate and reliable importance of data is unquestionable, and how could guarantee the accuracy and the reliability of data, also is the emphasis of paying close attention in recent years.
Summary of the invention
The utility model technical matters to be solved is: a kind of global function multi-epitope voltage monitoring instrument calibration equipment is provided.
The technical scheme that the utility model adopted is: a kind of global function multi-epitope voltage monitoring instrument calibration equipment; Be used to test several voltage monitoring instruments, it comprises: main frame, several Error Calculator, standard source, power consumption switching and the test module that link to each other with main frame, the bus network that is used to be connected the hub between main frame and the voltage monitoring instrument and Error Calculator, standard source, power consumption switching and test module are connected with main frame.
On the basis of technique scheme, further comprise attached technical scheme:
Preferably, said standard source is a table source one, and its output is switched through power consumption and test module is connected to each voltage monitoring instrument, and each voltage monitoring instrument then connects with corresponding Error Calculator.
Preferably, said hub adopts RS232 or RS485 or RS422 or ethernet network.
Preferably, said bus network adopts RS232 or RS485 or RS422 or ethernet network.
Preferably, the warning or the pulse signal of said voltage monitoring instrument are exported to Error Calculator, and the clock signal of voltage monitoring instrument is then exported to hub.
The advantage of the utility model: simultaneously many voltage monitoring instruments are carried out automatic all events verification; Improve verification efficient; Can test verification to every multiple parameter of voltage monitoring instrument, increase clock calibrating, the error of adjusting calibrating, statistical function calibrating, power consumption test, power failure test function.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural drawing that testing fixture is visited in the inside of the utility model.
Embodiment
As shown in Figure 1; The utility model provides a kind of specific embodiment of global function multi-epitope voltage monitoring instrument calibration equipment; This global function multi-epitope voltage monitoring instrument calibration equipment 1 is used to test several voltage monitoring instruments 2, and it comprises: main frame 10, several Error Calculator 12 that link to each other with main frame 10, standard source 14, power consumption switches and test module 16, be used to be connected between main frame 10 and the voltage monitoring instrument 2 hub 18 and with Error Calculator 12, standard source 14, power consumption is switched and test module 16 is connected with main frame 10 bus network.Wherein standard source 14 outputs are connected to each voltage monitoring instrument 2 through power consumption switching and test module 16, and each voltage monitoring instrument 2 connects then to corresponding Error Calculator 12.This global function multi-epitope voltage monitoring instrument calibration equipment 1 further comprises independently accessory power supply, can export 57V, 100V, 220V, 380V voltage, and is convenient and safe.
Power consumption is switched and test module 16, and its each epi-position can work alone, to test by turns and depletion load.
Through the composition of said elements, the corresponding function of the utility model is specific as follows:
1, fundamental error calibrating: the software control platform in the main frame 10 is through RS485 network control standard source 14; According to the check point control criterion source that is provided with 14 outputs; After treating that output is stable; The software control platform is abideed by the data that agreement reads voltage monitoring instrument 2 through the RS232 communication network, and both draw error after relatively.
2, adjust error calibrating: the software control platform is through initial value of RS485 network control standard source 14 outputs in the main frame 10; Voltage monitoring instrument 2 is given Error Calculator by online signaling interface output alarm signal; Error Calculator 12 judges whether voltage monitoring instrument 2 reports to the police; The software control platform reads the data of Error Calculator 12 again, calculates adjust fundamental error and sensitivity.
3, clock calibrating: the online signaling interface of Error Calculator 12 links to each other with voltage monitoring instrument 2; Accept voltage monitoring instrument 2 pulse per second (PPS)s (1HZ or 4HZ dutycycle 50% square wave); Error Calculator 12 is through the certain hour statistics; Calculate a day error, extrapolating a year error, the software control platform reads the error of Error Calculator 12 once more.
4, statistical error calibrating; The software control platform at first reads the time of voltage monitoring instrument 2 through the RS232 communication network; The clock write-back realizes that many voltage monitoring instruments are synchronous second again, and the magnitude of voltage of the certain hour in the control criterion source output upper limit, lower limit, the acceptability limit, standard source are calculated the upper limit, lower limit, qualified statistics rate and delivered to the software control platform; The software control platform reads the upper limit, lower limit, the qualification rate of voltage monitoring instrument statistics, and both relatively draw error.
5, power consumption test: control of software control platform and test module 16 switch epi-position output, and the built-in test mutual inductor of standard source is measured current epi-position consumed current, delivers to the software control platform, and the software control platform calculates the load that current epi-position consumes.
6, power failure test function: the software control platform is controlled according to the controlled variable that pre-sets; The work of startup source had a power failure several minutes after several minutes; Start the source once more; The software control platform reads the statistics of voltage monitoring instrument 2, draws the integrality and the reliability of voltage monitoring instrument 2 statistical function property after the continuous several times.
7, communication function test: mainly test the parameter that is provided with in the communication protocol, real-time voltage data, statistics and time.The parameter that is provided with of voltage monitoring instrument 2 generally comprises; The upper lower limit value of meter number, address, baud rate, producer's information, specified range, setting; Acquisition just is provided with after the parameter can be automatically and voltage monitoring instrument 2 communication connections; And obtain data such as real time data, statistics, instrument time, can accomplish voltage fundamental error, statistical function test.
In the present embodiment, the RS232 communication network also can change networks such as RS485, RS422, Ethernet into, and the RS485 communication network also can change networks such as RS232, RS422, Ethernet into.
Certainly the foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the people who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection domain of the utility model with this.All equivalent transformation or modifications of doing according to the spirit of the utility model main technical schemes all should be encompassed within the protection domain of the utility model.
Claims (5)
1. global function multi-epitope voltage monitoring instrument calibration equipment; Be used to test several voltage monitoring instruments (2), it is characterized in that it comprises: main frame (10), several Error Calculator (12) that link to each other with main frame (10), standard source (14), power consumption switching and test module (16), the bus network that is used to be connected the hub (18) between main frame (10) and the voltage monitoring instrument (2) and Error Calculator (12), standard source (14), power consumption switching and test module (16) are connected with main frame (10).
2. a kind of global function multi-epitope voltage monitoring instrument calibration equipment according to claim 1; It is characterized in that: said standard source (14) is table source one; And its output is switched through power consumption and test module (16) is connected to each voltage monitoring instrument (2), and each voltage monitoring instrument (2) then connects with corresponding Error Calculator (12).
3. a kind of global function multi-epitope voltage monitoring instrument calibration equipment according to claim 2 is characterized in that: said hub (18) adopts RS232 or RS485 or RS422 or ethernet network.
4. a kind of global function multi-epitope voltage monitoring instrument calibration equipment according to claim 3 is characterized in that: said bus network adopts RS232 or RS485 or RS422 or ethernet network.
5. a kind of global function multi-epitope voltage monitoring instrument calibration equipment according to claim 3; It is characterized in that: the warning of said voltage monitoring instrument (2) or pulse signal are exported to Error Calculator (12), and the clock signal of voltage monitoring instrument (2) is then exported to hub (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203655308U CN202256647U (en) | 2011-09-28 | 2011-09-28 | Full-function multi-meter-position voltage monitor calibration device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203655308U CN202256647U (en) | 2011-09-28 | 2011-09-28 | Full-function multi-meter-position voltage monitor calibration device |
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| Publication Number | Publication Date |
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| CN202256647U true CN202256647U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203655308U Expired - Lifetime CN202256647U (en) | 2011-09-28 | 2011-09-28 | Full-function multi-meter-position voltage monitor calibration device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018697A (en) * | 2011-09-28 | 2013-04-03 | 南京丹迪克科技开发有限公司 | Full-functional multiple-meter-position checking device for voltage monitors |
| CN103760511A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Full-automatic test system for multiple voltage monitors |
| CN105093146A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Low-voltage detector tester |
| CN105676159A (en) * | 2016-01-11 | 2016-06-15 | 南京易司拓电力科技股份有限公司 | Serial server-based automatic testing system of voltage monitor |
-
2011
- 2011-09-28 CN CN2011203655308U patent/CN202256647U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018697A (en) * | 2011-09-28 | 2013-04-03 | 南京丹迪克科技开发有限公司 | Full-functional multiple-meter-position checking device for voltage monitors |
| CN103018697B (en) * | 2011-09-28 | 2016-05-11 | 南京丹迪克科技开发有限公司 | A kind of Multifunctional multi-epitope voltage monitor calibrator |
| CN103760511A (en) * | 2014-01-26 | 2014-04-30 | 国家电网公司 | Full-automatic test system for multiple voltage monitors |
| CN105093146A (en) * | 2014-05-07 | 2015-11-25 | 哈尔滨飞机工业集团有限责任公司 | Low-voltage detector tester |
| CN105676159A (en) * | 2016-01-11 | 2016-06-15 | 南京易司拓电力科技股份有限公司 | Serial server-based automatic testing system of voltage monitor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |