CN2906639Y - Electrical measurement indicating instrument calibrator - Google Patents
Electrical measurement indicating instrument calibrator Download PDFInfo
- Publication number
- CN2906639Y CN2906639Y CN 200620032141 CN200620032141U CN2906639Y CN 2906639 Y CN2906639 Y CN 2906639Y CN 200620032141 CN200620032141 CN 200620032141 CN 200620032141 U CN200620032141 U CN 200620032141U CN 2906639 Y CN2906639 Y CN 2906639Y
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- acquisition device
- image acquisition
- microcomputer
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- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to an electric measuring and indicating instrument adjusting device, comprising an electric measuring signal generating unit used for supplying testing signal for an checked instrument, a measuring unit used for supplying standard values as the reference of the tested instrument and a microcomputer used for main control, error calculation, data management and statement generating. On a checking unit, an image collector is arranged above the checked instrument; the video output port of the image collector is connected with the input port of a digital image converter through a video transmission line; the output port of the digital image converter is connected with a corresponding port of the microcomputer; the control port of the image collector is connected with the output port of a controller of the image collector through controlling line; the input port of the controller of the image collector is connected with the control signal output port of the microcomputer through controller communication line of the image collector to control the image collector so as to realize the microcomputer parameters adjustment, such as image contrast and focal distance.
Description
Technical field
The utility model relates to a kind of electrical measurement indicating instrument calibration equipment, is used in the laboratory the verification of pointer-type or digital indicating instrument.
Background technology
Existing electrical measurement indicating instrument calibration equipment generally has the generation part 21 (referring to program control power of alterating and direct current) of electric measurement signal, for being provided test signal by check meter 22; Measure portion (referring to standard scale) provides the foundation of value size for equipment under test; Master control, Error Calculation, data management and form produce part 24 (being finished by PC usually).Sometimes preceding two parts also can merge becomes a part.When indicating instrument is carried out verification, the checker wants the size of conditioning signal on one side, observe on one side by the reading of calibration equipment, put in place because once can not regulate, need to regulate repeatedly,, normally other at connection terminal 23 by calibration equipment and regulator by calibration equipment again not a position, adjusting is finished by PC, as Fig. 1.Checker otherwise stopping altering one's posture one regulates a reading one adjusting increases manual labor like this, has reduced work efficiency.
The utility model content
The purpose of this utility model just is to provide a kind of electrical measurement indicating instrument calibration equipment, will be by the demonstration of calibration equipment, mode by digital imagery, it is presented on the microcomputer monitor, so that the verification personnel finish all operations such as adjusting, observation, Error Calculation, deposit, report output by direct microcomputer.
The purpose of this utility model can realize by following measure: a kind of electrical measurement indicating instrument calibration equipment, be included as the electric measurement signal generation part that test signal is provided by check meter, for tested instrument provides the measure portion of standard value size foundation and as master control, Error Calculation, data management and form produce the microcomputer of part, image acquisition device is being installed above by check meter on the calibration equipment, the video output of image acquisition device is connected by the input port of video transmission line with an image digitazation converter, the delivery outlet of image digitazation converter is connected with the corresponding interface of microcomputer, the control interface of image acquisition device is connected by the delivery outlet of pilot with an image acquisition device controller, the input port of image acquisition device controller is connected with the control of microcomputer signal output by image acquisition device controller connection, the control image acquisition device is realized microcomputer epigraph contrast, the adjusting of focal length class parameter.
Described image acquisition device is a video camera.
Described image digitazation converter is a video frequency collection card.
Electrical measurement indicating instrument calibration equipment of the present utility model disposes power of alterating and direct current, standard scale, outside the content of basic configuration such as main control microcomputer, increased image acquisition device (video camera), image digitazation converter (video frequency collection card), hardware ingredients such as image acquisition device controller, pass through digital imaging technology, to be sent to microcomputer by the scale of calibration equipment or reading, the verification personnel just can directly read on microcomputer by the scale of calibration equipment or reading, the verification personnel can only finish adjusting by microcomputer, observe, Error Calculation, deposit, report output etc. are operation all, greatly facilitate the verification work of indicating instrument, it simultaneously also is the indicating instrument in future, particularly do not have the automatic verification of the indicating instrument of communication function, lay a good foundation.
Description of drawings
Fig. 1 is the formation synoptic diagram of existing calibration equipment;
Fig. 2 is the formation synoptic diagram of a kind of exemplary embodiment of the present utility model;
Fig. 3 is the digital imagery electrical principle block diagram of Fig. 2.
Embodiment
The utility model electrical measurement indicating instrument calibration equipment can be done detailed description in conjunction with Fig. 2, Fig. 3.Among Fig. 2, Fig. 3, the implication of each label is as follows: 1-image acquisition device (video camera); 2-microcomputer (PC main frame, the PIC socket plug-in mounting video frequency collection card 8 of mainboard); 3-image acquisition device controller; 4-video line and control wire harness; 5 one pilots; The 6-video line; 7-image acquisition device controller connection.Wherein, image acquisition device and video frequency collection card can be combined into a digital camera part.
Electrical measurement indicating instrument calibration equipment, be included as the electric measurement signal generation part 21 that test signal is provided by check meter, for tested instrument provides the measure portion of standard value size foundation and as master control, Error Calculation, data management and form produce the microcomputer 2 of part, image acquisition device 1 is being installed above by check meter 22 on the calibration equipment, the video output of image acquisition device 1 is connected with the input port of an image digitazation converter 8 by video transmission line 6, the delivery outlet of image digitazation converter 8 and the pci interface of microcomputer are pegged graft, the control interface of image acquisition device 1 is connected with the delivery outlet of an image acquisition device controller 3 by pilot 5, the input port of image acquisition device controller 3 is by the control signal delivery outlet (serial port of image acquisition device controller connection 7 (485 connection) with microcomputer 2, be fitted with 485/232 changeover plug on the serial port) connect, control image acquisition device 3, the display 24 epigraph contrasts of realization microcomputer 2, the adjusting of focal length class parameter.
When indicating instrument calibration equipment of the present utility model is worked, calibrated meter is carefully connected the wire, by the output of PC control test signal, carried out image acquisition by the indicating graduation of calibration equipment by image acquisition device 1, be sent to the video frequency collection card of adorning in the PC 8 by video lead 6, carry out the digitizing conversion through video frequency collection card 8, the digital signal that is converted to is through handling, the scale of indicating instrument just is shown on the PC display, PC also can pass through image acquisition device controller 3, to the control of image acquisition device, realize the picture contrast on the PC, the isoparametric adjusting of focal length.In the present embodiment, image acquisition device is video camera VT580, and the image acquisition device controller is demoder HZ-01D, and video frequency collection card is V4000.
Claims (3)
1, a kind of electrical measurement indicating instrument calibration equipment, be included as the electric measurement signal generation part that test signal is provided by check meter, for tested instrument provides the measure portion of standard value size foundation and as master control, Error Calculation, data management and form produce the microcomputer of part, it is characterized in that, image acquisition device is being installed above by check meter on the calibration equipment, the video output of image acquisition device is connected by the input port of video transmission line with an image digitazation converter, the delivery outlet of image digitazation converter is connected with the corresponding interface of microcomputer, the control interface of image acquisition device is connected by the delivery outlet of pilot with an image acquisition device controller, the input port of image acquisition device controller is connected with the control of microcomputer signal output by image acquisition device controller connection, the control image acquisition device is realized microcomputer epigraph contrast, the adjusting of focal length class parameter.
2, electrical measurement indicating instrument calibration equipment according to claim 1 is characterized in that, described image acquisition device is a video camera.
3, electrical measurement indicating instrument calibration equipment according to claim 1 is characterized in that, described image digitazation converter is a video frequency collection card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032141 CN2906639Y (en) | 2006-05-31 | 2006-05-31 | Electrical measurement indicating instrument calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620032141 CN2906639Y (en) | 2006-05-31 | 2006-05-31 | Electrical measurement indicating instrument calibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2906639Y true CN2906639Y (en) | 2007-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620032141 Expired - Fee Related CN2906639Y (en) | 2006-05-31 | 2006-05-31 | Electrical measurement indicating instrument calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2906639Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452638B (en) * | 2007-11-28 | 2010-07-07 | 河南思达高科技股份有限公司 | Electrical energy meter or power load administrative terminal verifying device |
| CN101334457B (en) * | 2008-07-08 | 2010-08-11 | 浙江大学 | Multichannel multi-parameter electric measuring meter test system and full-automatic test method |
| CN101813656A (en) * | 2010-04-19 | 2010-08-25 | 中国兵器工业集团第五三研究所 | Method and equipment for automatic calibration of oil conductivity meter |
| CN101713819B (en) * | 2008-10-08 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | System and method for checking universal meter |
| CN103439677A (en) * | 2013-08-16 | 2013-12-11 | 国家电网公司 | Method and system for detecting numeration table meter |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CN103983935A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Indicating instrument detecting system and method |
| CN105717477A (en) * | 2015-03-08 | 2016-06-29 | 石梦媛 | Intelligent detection equipment for defects of ammeter |
| CN111175684A (en) * | 2019-12-24 | 2020-05-19 | 国网江苏省电力有限公司电力科学研究院 | Extra-high voltage direct current transformer calibration device, system and method |
-
2006
- 2006-05-31 CN CN 200620032141 patent/CN2906639Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101452638B (en) * | 2007-11-28 | 2010-07-07 | 河南思达高科技股份有限公司 | Electrical energy meter or power load administrative terminal verifying device |
| CN101334457B (en) * | 2008-07-08 | 2010-08-11 | 浙江大学 | Multichannel multi-parameter electric measuring meter test system and full-automatic test method |
| CN101713819B (en) * | 2008-10-08 | 2012-12-19 | 鸿富锦精密工业（深圳）有限公司 | System and method for checking universal meter |
| CN101813656A (en) * | 2010-04-19 | 2010-08-25 | 中国兵器工业集团第五三研究所 | Method and equipment for automatic calibration of oil conductivity meter |
| CN101813656B (en) * | 2010-04-19 | 2013-07-17 | 中国兵器工业集团第五三研究所 | Method and equipment for automatic calibration of oil conductivity meter |
| CN103439677A (en) * | 2013-08-16 | 2013-12-11 | 国家电网公司 | Method and system for detecting numeration table meter |
| CN103604456A (en) * | 2013-12-09 | 2014-02-26 | 国家电网公司 | Automatic calibration system and automatic calibration method of pointer instrument |
| CN103983935A (en) * | 2014-05-29 | 2014-08-13 | 国家电网公司 | Indicating instrument detecting system and method |
| CN105717477A (en) * | 2015-03-08 | 2016-06-29 | 石梦媛 | Intelligent detection equipment for defects of ammeter |
| CN111175684A (en) * | 2019-12-24 | 2020-05-19 | 国网江苏省电力有限公司电力科学研究院 | Extra-high voltage direct current transformer calibration device, system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20070530 Termination date: 20140531 |