CN202563076U - Communication digital multimeter automatic calibration system - Google Patents
Communication digital multimeter automatic calibration system Download PDFInfo
- Publication number
- CN202563076U CN202563076U CN2012201570070U CN201220157007U CN202563076U CN 202563076 U CN202563076 U CN 202563076U CN 2012201570070 U CN2012201570070 U CN 2012201570070U CN 201220157007 U CN201220157007 U CN 201220157007U CN 202563076 U CN202563076 U CN 202563076U
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- digital multimeter
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- multimeter
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Abstract
The utility model discloses a communication digital multimeter automatic calibration system, which comprises a master station computer, a backstage database server, a digital multifunctional standard calibration device, a calibrated digital multimeter and a printer. Data communication is carried out among the master station computer, the digital multifunctional standard calibration device and the calibrated digital multimeter through an RS488 or an RS232 communication interface. The digital multifunctional standard calibration device is connected with the calibrated digital multimeter through a connecting line. The printer is connected with the master station computer through a data line. By adopting the communication digital multimeter automatic calibration system disclosed by the utility model, fully automatic calibration can be realized during the digital multimeter calibration process, labor intensity can be reduced, operation errors are reduced, the batch calibration work on a plurality of digital multimeters can be carried out at the same time, the efficiency of the calibration work can be improved, communication and data interfaces of the digital multimeters from different factories and with different types can be supported, and good compatibility is provided.
Description
Technical field
The utility model relates to electric system Measuring and testing technical field, but specifically is a kind of digital multimeter automatic checkout system of communication.
Background technology
Along with the continuous development of the level of IT application, but among the communication digital multimeter that has RS488 or a RS232 communication interface is applied in scientific research more and more widely, produces.According to " DL/T980-2005 digital multimeter vertification regulation " requirement, error of indication calibrating is the essential items for inspection of periodic calibration.Traditional calibration method from the record of data, analyze that to provide report all be to be undertaken by testing person's manual operation; Like this with regard to inevitably can occur the record data amount big, calculate problems such as loaded down with trivial details, easy error; Had a strong impact on the ageing and accuracy of calibration operation; But press for the digital multimeter automatic checkout system of a kind of communication of development, to guarantee that calibration operation efficiently, carry out accurately.
The utility model content
The purpose of the utility model is low to existing manual calibrating mode work efficiency; Be easy to generate problems such as artificial gauging error; But a kind of communication digital multimeter automatic verification system with fine compatibility is provided, to realize calibration operation robotization, standardization.
The technical scheme of taking for the purpose that realizes the utility model is: but a kind of digital multimeter automatic checkout system of communication; Form by master station computer, background data base server, digital multi useful test device, seized digital multimeter and printer; Master station computer is carried out data communication through RS488 or RS232 communication interface and digital multi useful test device, seized digital multimeter; Digital multi useful test device links to each other with seized digital multimeter through connecting line, and master station computer is connected with printer through data line.
Said master station computer is that the computing machine of automatic verification software has been installed.
Said communication interface comprises RS488 or RS232 communication interface.
Said digital multi useful test device has RS488 or RS232 communication interface, possesses the digital multi useful test device of the digital multi useful test device of respective communication stipulations.
Said seized digital multimeter is to have digital multimeter RS488 or RS232 communication interface, that possess the respective communication stipulations.
Principle of work: master station computer is through the verification process of automatic verification software control figure multimeter; Master station computer is sent to digital multi useful test device through RS488 or RS232 communication interface and is risen the source order.After the output of digital multi useful test device is stable; Master station computer is gathered the actual output data of digital multi useful test device and the actual measurement data of digital multimeter through RS488 or RS232 communication interface; Carrying out Error Calculation and verification result behind the data revision of the convention handles; Then actual output data, actual measurement data and verification result are saved in the background data base server, generate calibration certificate, and print through printer.
The utility model compared with prior art, its advantage is:
1, can realize the full-automatic calibrating of digital multimeter verification process, alleviate testing person's labour intensity, can also effectively reduce the measuring error that manual operation causes simultaneously.
2, carry out the calibration operation of a plurality of digital multimeters in batches simultaneously, improved calibration operation efficient greatly.
3, support the communication and the data-interface of different manufacturers and type figure multimeter, have favorable compatibility.
Description of drawings
But Fig. 1 is the hardware module connection layout of the digital multimeter automatic checkout system of the said communication of the utility model.
But Fig. 2 is the software architecture diagram of the digital multimeter automatic checkout system of the said communication of the utility model.
But Fig. 3 is the concrete verification step process flow diagram of the digital multimeter automatic checkout system of the said communication of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the technical scheme of the utility model is described in further detail.
Map 1, but the hardware module of the digital multimeter automatic checkout system of the said communication of the utility model are made up of master station computer, background data base server, digital multi useful test device, seized digital multimeter and printer.Wherein, The master station computer that automatic verification software is housed is carried out data communication through RS488 or RS232 interface and digital multi useful test device, seized digital multimeter; Digital multi useful test device directly links to each other with seized table through connecting line, and printer links to each other through data line with master station computer.
The embodiment of the utility model is: master station computer is sent to digital multi useful test device through RS488 or RS232 communication interface and is risen the source order.After the output of digital multi useful test device is stable; Master station computer is gathered the actual output data of digital multi useful test device and the actual measurement data of digital multimeter through RS488 or RS232 communication interface; Carrying out Error Calculation and verification result behind the data revision of the convention handles; Then actual output data, actual measurement data and verification result are saved in the background data base server, generate calibration certificate, and print through printer.
Map 2, but the software of the digital multimeter automatic checkout system of the said communication of the utility model mainly are made up of user management module, communication management module, measuring management module, Report Server Management module.Wherein, user management module mainly is responsible for subscriber information management and system maintenance management; The communication management module mainly is responsible for the management of serial communication; The calibrating administration module mainly is responsible for the output of the multi-functional useful test device of control figure standard source and the collection of actual output data, collection, the data revision of the convention and the Error Calculation of digital multimeter actual measurement data; The Report Server Management module is responsible for verification result and is handled, and generates calibration certificate and prints calibration certificate.
Map 3, but the step when the digital multimeter automatic checkout system of the said communication of the utility model carries out automatic Verification is following:
(1) behind the operating software, at first carries out the scheme setting, specifically comprise different manufacturers and the pairing communications parameter of the multi-functional useful test device of type figure are set, calibrating project, electric weight range, the calibrating point of digital multimeter etc. are set.After being provided with successfully, send automatic check command, system gets into automatic verification state.
(2) master station computer is sent from trend digital multi useful test device by the setting scheme and is risen the source order, and digital multi useful test device is exported the corresponding standard signal in the back that receives orders to seized digital multimeter.
(3) master station computer is gathered the actual measurement data of digital multi actual output data of useful test device and seized digital multimeter through RS488 or RS232 communication interface; Calculate fundamental error behind the data revision of the convention; And compare with " DL/T980-2005 digital multimeter vertification regulation " the desired error range in the background data base server, judge should the calibrating point whether overproof.If not overproof, data and result are saved in the background data base server; If overproof, system adjusts automatically, again this calibrating point is examined and determine, if still defective system adjusts again, after adjustment is no more than three times, data and verification result is saved in the background data base server.
(4) whether the inquiry calibrating is accomplished: if set calibrating point has not been examined and determine, then according to the calibrating scheme, the output of adjustment digital multi useful test device continues the calibrating of next calibrating point; If calibrating is accomplished, then stop the standard source output of digital multi useful test device, preserve verification result, and provide probation redport.
Claims (3)
1. but the digital multimeter automatic checkout system of a communication; It is characterized in that; This system is made up of master station computer, background data base server, digital multi useful test device, seized digital multimeter and printer; Master station computer is carried out data communication through RS488 or RS232 communication interface and digital multi useful test device, seized digital multimeter; Digital multi useful test device links to each other with seized digital multimeter through connecting line, and master station computer is connected with printer through data line.
2. but the digital multimeter automatic checkout system of communication according to claim 1; It is characterized in that said digital multi useful test device is the digital multi useful test device that has RS488 or RS232 communication interface, carries out communication according to communication protocol.
3. but the digital multimeter automatic checkout system of communication according to claim 1 is characterized in that, said seized digital multimeter is to have digital multimeter RS488 or RS232 communication interface, carry out communication according to communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201570070U CN202563076U (en) | 2012-04-14 | 2012-04-14 | Communication digital multimeter automatic calibration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201570070U CN202563076U (en) | 2012-04-14 | 2012-04-14 | Communication digital multimeter automatic calibration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563076U true CN202563076U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201570070U Expired - Lifetime CN202563076U (en) | 2012-04-14 | 2012-04-14 | Communication digital multimeter automatic calibration system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202563076U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111436A (en) * | 2014-08-05 | 2014-10-22 | 上海市计量测试技术研究院 | Automatic detection system and method for digital multimeter |
| CN104535948A (en) * | 2014-11-30 | 2015-04-22 | 国网河南省电力公司电力科学研究院 | Power quality online monitoring device batch calibration system and calibration method |
| CN108196211A (en) * | 2017-12-25 | 2018-06-22 | 佛山市车品匠汽车用品有限公司 | A kind of number table automatic verification system |
| CN110175809A (en) * | 2019-04-18 | 2019-08-27 | 唐山钢铁集团有限责任公司 | Examine and determine record standard management method |
-
2012
- 2012-04-14 CN CN2012201570070U patent/CN202563076U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111436A (en) * | 2014-08-05 | 2014-10-22 | 上海市计量测试技术研究院 | Automatic detection system and method for digital multimeter |
| CN104535948A (en) * | 2014-11-30 | 2015-04-22 | 国网河南省电力公司电力科学研究院 | Power quality online monitoring device batch calibration system and calibration method |
| CN104535948B (en) * | 2014-11-30 | 2017-09-08 | 国网河南省电力公司电力科学研究院 | A kind of electric energy quality on-line monitoring device batch check system and method for calibration |
| CN108196211A (en) * | 2017-12-25 | 2018-06-22 | 佛山市车品匠汽车用品有限公司 | A kind of number table automatic verification system |
| CN110175809A (en) * | 2019-04-18 | 2019-08-27 | 唐山钢铁集团有限责任公司 | Examine and determine record standard management method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
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| CX01 | Expiry of patent term |