CN203178032U - Auxiliary reading device of measurement-based force measurement device - Google Patents
Auxiliary reading device of measurement-based force measurement device Download PDFInfo
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- CN203178032U CN203178032U CN2013200682711U CN201320068271U CN203178032U CN 203178032 U CN203178032 U CN 203178032U CN 2013200682711 U CN2013200682711 U CN 2013200682711U CN 201320068271 U CN201320068271 U CN 201320068271U CN 203178032 U CN203178032 U CN 203178032U
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Abstract
The utility model relates to an auxiliary reading device of a measurement-based force measurement device. The device is characterized in that the auxiliary reading device comprises CCD camera modules, and an image acquisition module connected with the CCD camera modules. The image acquisition module is connected to an image processing and main control module through a communication module. The auxiliary reading device comprises two CCD camera modules respectively used for acquiring value indication information including digital and pointer-type value indication information on display screens of a measurement standard device and a working measurement device. According to the utility model, with a double-CCD camera manner, a problem that two sets of displayed value indications at a same moment cannot be accurately read by a force measurement device during a measurement process is solved, an intrinsic defect of non-adjacency of spatial positions of display screens is overcome, the influence factor of human visual error to measurement result is eliminated, measurement process accuracy is improved, measurement work working efficiency is improved, and measurement device automation level is improved.
Description
Technical field
The utility model relates to surveying instrument and measuring method field, in dynamometry quasi-instrument instrument and equipment metering process, provides a kind of auxiliary reading device that reads and handle the metering type device for measuring force of static state/dynamic measuring data automatically.
Background technology
In dynamometry quasi-instrument instrument and equipment metering process, comparison is a kind of metering method commonly used.For example, when measurement instruments such as pressure, moment of torsion are examined and determine and calibrated, normally standard of measurement and tested work are fixed together by certain mode with measurement instrument, common carrying is with a kind of effect of external force.When standard of measurement reaches certain numerical value A, when namely dropping in the numerical range of measurement verification regulations or measurement and calibration regulation and stipulation, the work of need checking with measurement instrument at this instantaneous numerical value B.By the difference of (A-B) relatively, judge whether this work with measurement instrument assay approval whether, perhaps is in the rational usable range at numerical value A place.
State in realization in the process of metering activity, the indicating value display device of standard of measurement and work are non-conterminous through regular meeting's appearance with the indicating value display device of measurement instrument, or not in same situation within the vision.That is to say that the testing person can not be instantaneous standard of measurement and the indicating value content of work with measurement instrument observed simultaneously.In addition, all do not keep for the data-interface of metering usually with measurement instrument owing to work, the testing person can not directly collect the dynamic indicating value information of working measuring instrument by various means of communications.
In addition, in the calibrating/calibration process of some dynamometry class measurement instruments, the process of loading force value is continuous, so standard of measurement and work are successively to change with the demonstration indicating value of measurement instrument.In this case, even standard of measurement and work use the indicating value display device of measurement instrument within sweep of the eye same, the people from acknowledge(ment) signal to making a response, time probably is (0.2-0.4) second, wherein 0.2 second be to consume the importing into and spread out of of signal, other time loss is in information processing.After human eye is seen image, because the persistence of vision phenomenon can continue to keep this image and make an appointment with (0.1-0.5) second.Calculate that like this testing person reads the time of two groups of indicating value data the soonest in (0.3-0.9) second.This does not wherein also comprise the influence of factors such as the color of light and shade, indicating value of distance, the light of distance and size.
Like this, in the metering activity, just the problem of a contradiction has appearred: the regulation according to measurement verification regulations/measurement and calibration standard, need read instantaneous indicating value; But the testing person can't realize this regulation sometimes at all in operating process.
From above analysis as can be known, rely on testing person's physiological reaction to operate merely, be difficult to satisfy the requirement of standard.The optimal path that addresses the above problem replaces the observation of human eye exactly by automation equipment, realization standard of measurement and work being read automatically and handling with the measurement instrument indicating value, and this point seems particularly important when handling dynamic data.
The utility model content
The purpose of this utility model provides a kind of auxiliary reading device that reads and handle the metering type device for measuring force of static state/dynamic measuring data automatically.
To achieve these goals, the technical solution of the utility model is as follows: a kind of auxiliary reading device of metering type device for measuring force, it is characterized in that this auxiliary reading device comprises the CCD photographing module, with the image capture module that this CCD photographing module is connected, image capture module is handled with image by communication module and is connected with main control module.According to specific embodiment of the utility model, should comprise two CCD photographing modules by auxiliary reading device, be respectively the CCD photographing module for picked-up standard of measurement indicating value information, with be used for picked-up work with indicating value information the 2nd CCD photographing module on the measurement instrument display screen, the one CCD photographing module is connected with first image capture module, the 2nd CCD photographing module is connected with second image capture module, and first image capture module is all handled with image by communication module with second image capture module and is connected with main control module.Should also comprise a bracing or strutting arrangement by auxiliary reading device, a CCD photographing module and the 2nd CCD photographing module all are fixed on the bracing or strutting arrangement by the flexible support frame.Bracing or strutting arrangement also is equipped with electric light source.This image is handled and is comprised the image processing module that is connected with communication module and the main control module that is connected with image processing module with main control module.
The utility model utilizes CCD photographing module, image capture module, image processing module and main control module to read and handle static state/dynamic measuring data automatically, has overcome the deficiency that the manual read fetches data.The utility model mainly has following several advantage: by two CCD shooting modes, solve dynamometry class measurement instrument and in metering process, can't accurately read same instantaneous two groups of problems that show indicating value, overcome the non-conterminous inherent shortcoming of display screen on the locus, eliminated the influence factor of human eye vision error to the metering result, improved the order of accuarcy of metering process, improve the work efficiency of metering operation, increased the automatization level of metering outfit.The present invention is especially obvious for dynamic indicating value effect.The present invention is applicable to digital and pointer dynamometry class measurement instrument, and metering process similar with it.Volume of the present invention is little, in light weight, mode is flexible, easy to carry.The present invention can adjust sampling location and height of sampling easily by bracing or strutting arrangement; Can adjust focal length easily by the flexible support frame, ensure the focusing of CCD photographing module; By photoelectric source, provide the CCD sampling required luminance brightness.Sampling process of the present invention realizes full-automatic operation, has alleviated labour intensity, has improved work efficiency.Communication module of the present invention adopts wireless communication mode, applicable to the locus distribution of tens of meters of spans.
Description of drawings
Fig. 1 is system chart of the present utility model.
Fig. 2 is sampled point judgment rule synoptic diagram of the present utility model.
Fig. 3 is sampling general flow chart of the present utility model.
Fig. 4 is the scheme of installation of bracing or strutting arrangement of the present utility model.
Embodiment
A kind of auxiliary reading device of metering type device for measuring force, described metering type device for measuring force comprises standard of measurement 1 and work measurement instrument 4, it is characterized in that this auxiliary reading device comprises the CCD photographing module, described CCD photographing module is used for picked-up standard of measurement 1 or works with the indicating value information on measurement instrument 4 display screens, comprise digital and pointer indicating value information, should also comprise the image capture module that is connected with this CCD photographing module by auxiliary reading device, image capture module is connected with image processing module 8 by communication module 7, and image processing module 8 is connected with main control module 9.According to specific embodiment of the utility model, should comprise two CCD photographing modules by auxiliary reading device, be respectively the CCD photographing module 2 for picked-up standard of measurement 1 indicating value information, with be used for picked-up work with indicating value information the 2nd CCD photographing module 5 on measurement instrument 4 display screens, the one CCD photographing module 2 is connected with first image capture module 3, the 2nd CCD photographing module 5 is connected with second image capture module 6, and first image capture module 3 all is connected with image processing module 8 by communication module 7 with second image capture module 6.Should comprise also that bracing or strutting arrangement 11, the one CCD photographing modules 2 and the 2nd CCD photographing module 5 that are equipped with measurement instrument 4 with standard of measurement 1 and work all were fixed on the bracing or strutting arrangement 11 by flexible support frame 12 by auxiliary reading device.Bracing or strutting arrangement 11 also is equipped with electric light source 10.
CCD photographing module of the present utility model is used for the picked-up standard of measurement and works with the indicating value information on the measurement instrument display screen.Image capture module is used for the parameters such as speed, resolution and size of control image acquisition, and interim store image information.Communication module adopts wireless communication mode, is used for the image information that collects is transferred to main control module.Image processing module and main control module all can adopt computing machine to realize, image processing module and main control module can certainly be separated, and adopt different hardware to realize.Wherein image processing module is used for the image information that collects is analyzed and handled.Main control module be used for to image information gather, operations such as analysis and judgement, also have administrative functions such as information demonstration, storage, printing, inquiry.Bracing or strutting arrangement of the present utility model can adopt tripod.Bracing or strutting arrangement 11 is used for flexible support frame 10, electric light source 12, CCD photographing module are installed, and has height and far and near regulatory function.The flexible support frame is fixed on the bracing or strutting arrangement, can bend to certain angle arbitrarily, guarantees that the CCD camera head becomes vertical with the instrument and meter display screen or the near normal relation.Electric light source is installed on the bracing or strutting arrangement, has the light regulatory function, ensures that the instrument and meter display screen has the required brightness of enough shootings.
The course of work of this device is as follows: earlier according to the requirement of measurement verification regulations/measurement and calibration standard, information such as sampled point numerical value, sampled point permission variation range, sampling time interval, sampling effective range, the overproof threshold value of sampling are set.Two cover CCD camera systems (comprising photographing module, bracing or strutting arrangement etc.) are placed in standard of measurement and work display screen the place ahead with measurement instrument respectively.By adjusting bracing or strutting arrangement riding position, flexible support frame angle, electric light source intensity etc., ensure that the CCD photographing module can effectively read required indicating value information.
With measurement instrument simultaneously after the loading force value, No. 1 photographing module reads indicating value information on the standard of measurement display screen according to predetermined sampling time interval in standard of measurement and work.In the afterburning starting stage, set bigger sampling time interval T1, search for fast.At this moment, a CCD photographing module (i.e. No. 1 photographing module) is worked, and reads and analyze the indicating value information of standard of measurement, and the 2nd CCD photographing module (i.e. No. 2 photographing modules) is not worked.When allowing variation range A point near sampled point, use less sampling time interval T2 instead.At this moment, send the officially drawn sample instruction, the sampling time interval of No. 2 synchronous No. 1 photographing modules of photographing module is started working, synchronously the indicating value information of collecting work on the measurement instrument display screen.Image processing module extracts and analyzes the indicating value information that No. 1 photographing module collects.If in the given sampling limited range of standard, it is effective then to be considered as these instantaneous employing data, correspondingly reads No. 2 cameras in this instantaneous indicating value information that collects, and the sampled value of this group indicating value sample information as this sampled point recorded and store.If No. 1 photographing module in the sampling limited range, is then abandoned the image that this instantaneous No. 1 and No. 2 photographing modules collect in the indicating value information of this instantaneous standard of measurement that collects, No. 1 photographing module is proceeded to sample according to sampling time interval T2.When indicating value information that No. 1 photographing module collects has surpassed when not obtaining the efficiently sampling value yet after sampled point allows variation range B point, then stop epicycle and sample.Adjust sampling time interval T2, with littler sampling time interval resampling, till obtaining efficiently sampling numerical value.
Module related in the utility model is prior art, does not repeat them here.
Claims (5)
1. the auxiliary reading device of a metering type device for measuring force is characterized in that this auxiliary reading device comprises the CCD photographing module, and with the image capture module that this CCD photographing module is connected, image capture module is handled with image by communication module and is connected with main control module.
2. by the described auxiliary reading device of claim 1, it is characterized in that: this auxiliary reading device comprises two CCD photographing modules, be respectively the CCD photographing module for picked-up standard of measurement indicating value information, with be used for picked-up work with indicating value information the 2nd CCD photographing module on the measurement instrument display screen, the one CCD photographing module is connected with first image capture module, the 2nd CCD photographing module is connected with second image capture module, and first image capture module is all handled with image by communication module with second image capture module and is connected with main control module.
3. by the described auxiliary reading device of claim 1, it is characterized in that this auxiliary reading device also comprises a bracing or strutting arrangement, the CCD photographing module is fixed on the bracing or strutting arrangement by the flexible support frame.
4. by the described auxiliary reading device of claim 3, it is characterized in that bracing or strutting arrangement also is equipped with electric light source.
5. by any described auxiliary reading device in the claim 1 ~ 4, it is characterized in that this image is handled and comprised the image processing module that is connected with communication module and the main control module that is connected with image processing module with main control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013200682711U CN203178032U (en) | 2013-02-06 | 2013-02-06 | Auxiliary reading device of measurement-based force measurement device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013200682711U CN203178032U (en) | 2013-02-06 | 2013-02-06 | Auxiliary reading device of measurement-based force measurement device |
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| CN203178032U true CN203178032U (en) | 2013-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730287A (en) * | 2013-12-20 | 2015-06-24 | 中核建中核燃料元件有限公司 | Dynamic monitoring device for accelerometer in nuclear fuel transportation process |
| CN107817461A (en) * | 2016-09-12 | 2018-03-20 | 中国电力科学研究院 | Electric instrument automatic Proofreading device |
-
2013
- 2013-02-06 CN CN2013200682711U patent/CN203178032U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104730287A (en) * | 2013-12-20 | 2015-06-24 | 中核建中核燃料元件有限公司 | Dynamic monitoring device for accelerometer in nuclear fuel transportation process |
| CN107817461A (en) * | 2016-09-12 | 2018-03-20 | 中国电力科学研究院 | Electric instrument automatic Proofreading device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20180206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |