CN105738853A - Automatic checking platform of high-voltage alternating-current voltage divider - Google Patents
Automatic checking platform of high-voltage alternating-current voltage divider Download PDFInfo
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- CN105738853A CN105738853A CN201610311151.8A CN201610311151A CN105738853A CN 105738853 A CN105738853 A CN 105738853A CN 201610311151 A CN201610311151 A CN 201610311151A CN 105738853 A CN105738853 A CN 105738853A
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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
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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Abstract
The invention relates to an automatic checking platform of a high-voltage alternating-current voltage divider. The automatic checking platform of the high-voltage alternating-current voltage divider comprises an alternating-current voltage output module connected with commercial power, a voltage transformer, a standard voltage meter, a computer and a digital identification module. The alternating-current voltage output module is internally provided with a voltage regulating unit. The voltage transformer and the high-voltage alternating-current voltage divider are respectively connected with an output end of the alternating-current voltage output module. The standard voltage meter is connected with the voltage transformer. The standard voltage meter and the digital identification module are respectively connected with the computer. The digital identification module is capable of identifying voltage values displayed on a display screen. The computer is capable of recording and comparing a voltage value detected by the standard voltage meter and a voltage value detected by the high-voltage alternating-current voltage divider. According to the invention, the digital identification module is adopted to identify and collect the voltage values displayed on the display screen, the automatic collection, processing and checking of high-voltage alternating-current voltage divider are realized, the operation intensity of a detector is lowered, and the precision of data detection and the checking efficiency are improved.
Description
Technical field
The invention belongs to automation control area, be specifically related to a kind of high-voltage alternating potentiometer automatic Verification platform.
Background technology
In existing high-voltage alternating potentiometer produces, in order to enable the high-voltage alternating potentiometer of production normally to use, it is necessary to high-voltage alternating potentiometer is verified.Namely multiple alternating voltage calibration value is set, obtains detection data after the alternating voltage calibration value arranged being detected high-voltage alternating potentiometer, and be recorded.The magnitude of voltage simultaneously detected with reference instrument is compared.
At present, the checking procedure of high-voltage alternating potentiometer is manually to pass through human eye at a certain calibration point to observe the magnitude of voltage of high-voltage alternating potentiometer detection and the magnitude of voltage of reference instrument detection record simultaneously, then it is adjusted to next calibration point manually after stable, continues the magnitude of voltage of observed and recorded high-voltage alternating potentiometer detection and the magnitude of voltage of reference instrument detection.For this mode is calibrated for multiple spot, tester's working strength is big, and human eye observation's error is big, and operates repetition and consuming time, inefficiency.
Summary of the invention
For the defect of prior art, the technical problem to be solved in the present invention is to provide a kind of high-voltage alternating potentiometer automatic Verification platform that can automatically gather and obtain detection data, improves accuracy rate and the work efficiency of inspection.
In order to solve above-mentioned technical problem, a kind of technical scheme that the present invention adopts is: a kind of high-voltage alternating potentiometer automatic Verification platform, for high-voltage alternating potentiometer is verified, having display screen on described high-voltage alternating potentiometer, described display screen can show the magnitude of voltage that high-voltage alternating potentiometer detects.nullHigh-voltage alternating potentiometer automatic Verification platform includes the alternating voltage output module being electrically connected with city、Voltage transformer、Standard voltmeter、Computer and numeral identification module，Described alternating voltage output module is internally provided with the pressure regulation unit of the alternating voltage size that can regulate the output of alternating voltage output module，Described voltage transformer is connected with the outfan of alternating voltage output module respectively with high-voltage alternating potentiometer，Described standard voltmeter connects with voltage transformer，Described standard voltmeter is connected with computer by the first communication unit，Described numeral identification module is also connected with computer，Described numeral identification module is capable of identify that the magnitude of voltage of described display screen display and is transferred to computer，Described standard voltmeter can detect voltage that alternating voltage output module exports and be transferred to computer through the first communication unit at voltage transformer place，Described computer is able to record that the magnitude of voltage of the magnitude of voltage with the detection of comparison standard voltmeter and the detection of high-voltage alternating potentiometer realizes the verification of high-voltage alternating potentiometer.
Concrete, described alternating voltage output module also includes voltage regulation unit and transformator, described voltage regulation unit, pressure regulation unit and transformator are sequentially connected with, described city is electrically accessed voltage regulation unit, the primary coil of described transformator is connected with pressure regulation unit, the secondary coil of described transformator is connected with high-voltage alternating potentiometer and voltage transformer respectively, described voltage regulation unit can export to pressure regulation unit after stable for the line voltage of input, after civil power is regulated by described pressure regulation unit, output AC supplies electricity to transformator, output after the alternating current conversion that pressure regulation unit can be exported by transformator, the alternating current voltage of described transformator output is higher than the alternating current voltage of pressure regulation unit output.
Further, described high-voltage alternating potentiometer automatic Verification platform also includes the automatic Regulation module that can control pressure regulation unit action, described automatic Regulation module is connected with computer by the second communication unit, the target voltage values that alternating voltage output module is exported by described computer is transferred to automatic Regulation module by the second communication unit, and automatic Regulation module controls the voltage change that pressure regulation unit action makes alternating voltage output module export.
Concrete, the magnitude of voltage of standard voltmeter detection can be compared with target voltage values and comparative result feeds back to automatic Regulation module by described computer, and automatic Regulation module controls pressure regulation unit action according to comparative result makes the voltage that alternating voltage output module exports reach target voltage values.
Further, described automatic Regulation unit includes the industrial computer and the electric motor units that are sequentially connected with, described industrial computer and the second communication unit connect, described electric motor units is mechanically connected with pressure regulation unit, the signal control motor cell operation that the control unit of described industrial computer is transmitted according to computer, electric motor units drives pressure regulation unit action to regulate the magnitude of voltage of alternating voltage output module output.
Preferably, described industrial computer is single-chip microcomputer.
Preferably, described numeral identification module is CCD camera assembly, and described CCD camera assembly can gather the image that described display screen shows the magnitude of voltage that image carries out image operation extraction display screen display.
The scope of the present invention, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should contain other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme etc. that formed.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that in the present invention to adopt numeral identification module that the magnitude of voltage that high-voltage alternating potentiometer display screen shows is identified the magnitude of voltage gathering and being shown with high-voltage alternating potentiometer by the magnitude of voltage of computer record standard voltmeter detection respectively, automatic comparison, the automatic data collection realizing the multiple calibration point of high-voltage alternating potentiometer processes verification, greatly reduce the manipulation strength of tester, also improve the degree of accuracy of detection data and the work efficiency of verification.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention a kind of high-voltage alternating potentiometer automatic Verification platform；
Fig. 2 is the verification schematic diagram of the present invention a kind of high-voltage alternating potentiometer automatic Verification platform；
Wherein: 1, alternating voltage output module；2, voltage transformer；3, standard voltmeter；4, computer；5, numeral identification module；6, the first communication unit；7, automatic Regulation module；8, the second communication unit；11, pressure regulation unit；12, voltage regulation unit；13, transformator；71, industrial computer；72, electric motor units；73, control unit;100, high-voltage alternating potentiometer；101, display screen.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of high-voltage alternating potentiometer automatic Verification platform of the present invention, for verifying high-voltage alternating potentiometer.Having display screen 101 on described high-voltage alternating potentiometer 100, described display screen 101 can show the magnitude of voltage that high-voltage alternating potentiometer 100 detects.Alternating voltage output module 1 that described high-voltage alternating potentiometer automatic Verification platform includes being electrically connected with city, voltage transformer 2, standard voltmeter 3, computer 4, numeral identification module 5 and the automatic Regulation module 7 of pressure regulation unit 11 action can be controlled.
Described alternating voltage output module 1 is internally provided with and can regulate the pressure regulation unit 11 of alternating voltage size of alternating voltage output module 1 output, voltage regulation unit 12 and transformator 13.Described voltage regulation unit 12, pressure regulation unit 11 and transformator 13 are sequentially connected with, and described city is electrically accessed voltage regulation unit 12.Described voltage regulation unit 12 can export to pressure regulation unit 11 after stable for the line voltage of input, after civil power is regulated by described pressure regulation unit 11, output AC supplies electricity to transformator 13, output after the alternating current conversion that pressure regulation unit 11 can be exported by transformator 13, the alternating current voltage of described transformator 13 output is higher than the alternating current voltage of pressure regulation unit 11 output.
Described voltage transformer 2 is connected with the outfan of alternating voltage output module 1 respectively with high-voltage alternating potentiometer 100.Concrete, the primary coil of described transformator 13 is connected with pressure regulation unit 11, and the secondary coil of described transformator 13 is connected with high-voltage alternating potentiometer 100 and voltage transformer 2 respectively.Described standard voltmeter 3 connects with voltage transformer 2, and described standard voltmeter 3 is connected with computer 4 by the first communication unit 6.Described numeral identification module 5 is also connected with computer 4, in the present embodiment, described numeral identification module 5 is CCD camera assembly, and described CCD camera assembly can gather the image of described display screen 101 display and image carries out the magnitude of voltage of display on image operation extraction display screen 101 and is transferred to computer 4.Described standard voltmeter 3 can detect voltage that alternating voltage output module 1 exports and be transferred to computer 4 through the first communication unit 6 at voltage transformer 2 place.Described computer 4 is able to record that the magnitude of voltage of the magnitude of voltage with comparison standard voltmeter 3 detection and high-voltage alternating potentiometer 100 detection realizes the verification of high-voltage alternating potentiometer 100.
Described automatic Regulation unit 7 includes the industrial computer 71 and the electric motor units 72 that are sequentially connected with.In the present embodiment, described industrial computer 71 is single-chip microcomputer.Described industrial computer 71 is connected with computer 4 by the second communication unit 8.Described electric motor units 72 is mechanically connected with pressure regulation unit 11, the signal control motor unit 72 that the control unit 73 of described industrial computer 71 is transmitted according to computer 4 works, and electric motor units 72 drives pressure regulation unit 11 action to regulate the magnitude of voltage of alternating voltage output module 1 output.
The operation principle of a kind of high-voltage alternating potentiometer automatic Verification platform of the present invention is as described below:
The outfan that high-voltage alternating potentiometer 100 to be detected is received transformator 13 is used for detecting the voltage swing of the alternating current that transformator 13 exports.Numeral identification module 5 is directed at the display screen 101 of high-voltage alternating potentiometer 100.City is electrically accessed voltage regulation unit 12 and starts the verification of high-voltage alternating potentiometer 100.Computer 4 arranges multiple target voltage values checkpoint as high-voltage alternating potentiometer 100.First first aim magnitude of voltage is transferred to industrial computer 71 by the second communication unit 8 by computer 4.The control unit 73 of industrial computer 71 controls electric motor units 72 according to first aim magnitude of voltage and works.Electric motor units 72 drives pressure regulation unit 11 action to make the voltage that transformator 13 exports reach first aim magnitude of voltage.Standard voltmeter 3 can gather the magnitude of voltage at voltage transformer 2 place thus obtaining the actual voltage value of the output of transformator 13.Actual voltage value is compared with target voltage values and comparative result feeds back to industrial computer 71 by described computer 4, the control unit 73 of industrial computer 71 controls electric motor units 72 action according to comparative result, electric motor units 72 drives pressure regulation unit 11 action to finely tune so that the actual voltage value of transformator 13 output progressivelyes reach first aim magnitude of voltage.The regulative mode of the output voltage values of the transformator 13 of other calibration points is same as above, repeats no more herein.Thus the magnitude of voltage that high-voltage alternating potentiometer automatic Verification platform achieves each calibration point is automatically adjusted.
When the magnitude of voltage of transformator 13 is adjusted to target voltage values, the magnitude of voltage that the transformator 13 measured exports is transferred to computer 4 by standard voltmeter 3, and the magnitude of voltage that the transformator 13 measured exports is shown on display screen 101 by high-voltage alternating potentiometer 100 simultaneously.Numeral identification module 5 is transferred to computer 4 after the voltage value on display screen 101 is carried out image acquisition computing.High-voltage alternating potentiometer 100 is detected that magnitude of voltage is compared with the magnitude of voltage that standard voltmeter 3 detection obtains by computer 4, obtain the high-voltage alternating potentiometer 100 error between magnitude of voltage and the magnitude of voltage of standard voltmeter 3 detection that each checkpoint place detects, it is achieved the inspection of high-voltage alternating potentiometer 100.
Thus high-voltage alternating potentiometer automatic Verification platform adopts numeral identification module 5 to carry out the magnitude of voltage that the display screen 101 of high-voltage alternating potentiometer 100 shows automatically identifying the magnitude of voltage that collection the magnitude of voltage by computer 4 record standard voltmeter 3 detection respectively show with high-voltage alternating potentiometer 100, automatic comparison, the automatic data collection realizing more than 100 calibration point of high-voltage alternating potentiometer processes verification, greatly reduce the manipulation strength of tester, also improve the degree of accuracy of detection data and the work efficiency of verification.
As it has been described above, we are illustrated fully according to the objective of the present invention, but the present invention is not limited to above-described embodiment and implementation.The practitioner of correlative technology field can carry out different changes and enforcement in the scope that the technological thought of the present invention is permitted.
Claims (7)
- null1. a high-voltage alternating potentiometer automatic Verification platform，For high-voltage alternating potentiometer is verified，Described high-voltage alternating potentiometer (100) has display screen (101)，Described display screen (101) can show the magnitude of voltage that high-voltage alternating potentiometer (100) detects，It is characterized in that: described high-voltage alternating potentiometer automatic Verification platform includes the alternating voltage output module (1) being electrically connected with city、Voltage transformer (2)、Standard voltmeter (3)、Computer (4) and numeral identification module (5)，Described alternating voltage output module (1) is internally provided with the pressure regulation unit (11) that can regulate the alternating voltage size that alternating voltage output module (1) exports，Described voltage transformer (2) is connected with the outfan of alternating voltage output module (1) respectively with high-voltage alternating potentiometer (100)，Described standard voltmeter (3) connects with voltage transformer (2)，Described standard voltmeter (3) is connected with computer (4) by the first communication unit (6)，Described numeral identification module (5) is also connected with computer (4)，Described numeral identification module (5) is capable of identify that the magnitude of voltage of the upper display of described display screen (101) and is transferred to computer (4)，Described standard voltmeter (3) can detect voltage that alternating voltage output module (1) exports and be transferred to computer (4) through the first communication unit (6) at voltage transformer (2) place，Described computer (4) is able to record that the magnitude of voltage that the magnitude of voltage detected with comparison standard voltmeter (3) and high-voltage alternating potentiometer (100) detect realizes the verification of high-voltage alternating potentiometer (100).
- null2. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 1，It is characterized in that: described alternating voltage output module (1) also includes voltage regulation unit (12) and transformator (13)，Described voltage regulation unit (12)、Pressure regulation unit (11) and transformator (13) are sequentially connected with，Described city is electrically accessed voltage regulation unit (12)，The primary coil of described transformator (13) is connected with pressure regulation unit (11)，The secondary coil of described transformator (13) is connected with high-voltage alternating potentiometer (100) and voltage transformer (2) respectively，Described voltage regulation unit (12) can export to pressure regulation unit (11) after stable for the line voltage of input，After civil power is regulated by described pressure regulation unit (11), output AC supplies electricity to transformator (13)，Output after the alternating current conversion that pressure regulation unit (11) can be exported by transformator (13)，The alternating current voltage that the alternating current voltage that described transformator (13) exports exports higher than pressure regulation unit (11).
- 3. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 2, it is characterized in that: described high-voltage alternating potentiometer automatic Verification platform also includes controlling the automatic Regulation module (7) of pressure regulation unit (11) action, described automatic Regulation module (7) is connected with computer (4) by the second communication unit (8), the target voltage values that alternating voltage output module (1) is exported by described computer (4) is transferred to automatic Regulation module (7) by the second communication unit (8), automatic Regulation module (7) controls the voltage change that pressure regulation unit (11) action makes alternating voltage output module (1) export.
- 4. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 3, it is characterized in that: the magnitude of voltage that standard voltmeter (3) can be detected by described computer (4) compares and fed back to by comparative result automatic Regulation module (7) with target voltage values, automatic Regulation module (7) controls pressure regulation unit (11) action according to comparative result makes the voltage that alternating voltage output module (1) exports reach target voltage values.
- 5. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 4, it is characterized in that: described automatic Regulation unit (7) includes the industrial computer (71) and the electric motor units (72) that are sequentially connected with, described industrial computer (71) is connected with the second communication unit (8), described electric motor units (72) is mechanically connected with pressure regulation unit (11), signal control motor unit (72) work that the control unit (73) of described industrial computer (71) is transmitted according to computer (4), electric motor units (72) drives pressure regulation unit (11) action to regulate the magnitude of voltage that alternating voltage output module (1) exports.
- 6. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 5, it is characterised in that: described industrial computer (71) is single-chip microcomputer.
- 7. a kind of high-voltage alternating potentiometer automatic Verification platform according to claim 1, it is characterized in that: described numeral identification module (5) is CCD camera assembly, described CCD camera assembly can gather the image that described display screen (101) shows the magnitude of voltage that image carries out the upper display of image operation extraction display screen (101).
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| CN201610311151.8A CN105738853A (en) | 2016-05-12 | 2016-05-12 | Automatic checking platform of high-voltage alternating-current voltage divider |
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| CN201610311151.8A CN105738853A (en) | 2016-05-12 | 2016-05-12 | Automatic checking platform of high-voltage alternating-current voltage divider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112415461A (en) * | 2020-10-28 | 2021-02-26 | 许继集团有限公司 | Period checking method and device for high-voltage divider |
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| CN112415461B (en) * | 2020-10-28 | 2024-04-12 | 许继集团有限公司 | Period checking method and device for high-voltage divider |
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