CN201600124U - Gauge block automatic verification system - Google Patents
Gauge block automatic verification system Download PDFInfo
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- CN201600124U CN201600124U CN2009202722651U CN200920272265U CN201600124U CN 201600124 U CN201600124 U CN 201600124U CN 2009202722651 U CN2009202722651 U CN 2009202722651U CN 200920272265 U CN200920272265 U CN 200920272265U CN 201600124 U CN201600124 U CN 201600124U
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- gauge block
- signal processing
- processing apparatus
- verification system
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Abstract
The utility model discloses a gauge block automatic verification system, which comprises a worktable, a laser interference device and a signal processing device, and is characterized by further comprising a camera, the laser interference device consists of a measuring head which is disposed above the worktable and opposite to the worktable, the camera faces the upper portion of the worktable, and the laser interference device and the camera are connected with the signal processing device. The gauge block automatic verification system can realize automatic verification of a gauge block, is capable of automatically selecting a corresponding standard gauge block, and has higher efficiency and small workload.
Description
Technical field
The utility model relates to a kind of gauge block automatic verification system.
Background technology
Traditional gauge block verification system is visual instrument mostly, with the spectrum lamp krypton lamp as light source, gauge block measurement not only needs interpretation interference fringe with the naked eye, reads the reading of environment surveying instrument, also need through loaded down with trivial details, complicated calculating, and uncertainty of measurement is restricted.Domesticly doing a large amount of toiling on aspect the development of gauge block verification system, mainly containing wave length interferometer and contact laser gauge block horizontal metroscope, and be used for 3 etc. and the instrument of following gauge block measurement based on contactless coincidence method principle.The most frequently used vertical contact interferometer in the industrial circle is based on the optical interference principle now, changes the method that moves and measure that converts interference fringe to microsize.
Traditional gauge block verification system has the following disadvantages:
1, by interference fringe scale structure characteristic, determined original interferometer after established standards piece zero-bit, measurement range is ± 200 μ m, can only take to be close to the measurement strategies of " one to one ", i.e. corresponding tested gauge block of calibrated bolck, need simultaneously according to the size of tested gauge block and the size of standard gauge block, carry out the classification and the ordering of gauge block by hand; Limited the raising of calibrating efficient so greatly;
2, the such high precision measurer of gauge block is to the environmental requirement height of calibrating, very big to its measuring accuracy influence as factors such as temperature;
Be by visualization aiming reading when 3, gauge block is examined and determine, easily introduce the aiming reading error, and measurement data be various, the workload of differentiation gauge block grade is big.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of gauge block automatic verification system and calibration method are provided, and the utility model can be realized the automatic Verification of gauge block, and can be by the selected automatically corresponding standard gauge block of system, and efficient is higher, and workload is little.
Its technical scheme is as follows:
A kind of gauge block automatic verification system, comprise worktable, laser interference device and signal processing apparatus, also include camera, laser interference device comprises gauge head, gauge head is located at the top of worktable and relative with worktable, camera is towards the top of worktable, and laser interference device and camera all are connected with signal processing apparatus.
The gauge block automatic Verification method that the utility model adopted comprises the steps:
A, quantitative piece to be checked is placed worktable; B, treat the calibrating gauge block by camera and make a video recording and, handle and judge the preliminary dimension of quantitative piece to be checked by signal processing apparatus with photographic image input signal treating apparatus, and with this selected corresponding standard gauge block; C, adjust gauge head and make it, and with the signal input signal treating apparatus that laser interference device produced near quantitative piece to be checked, and with the B step in the size value of selected standard gauge block compare, determine the physical size or the error of this quantitative piece to be checked.
The utility model is owing to be equipped with camera, and the image of camera being exported by signal processing apparatus carries out pre-service, to determine the preliminary dimension of quantitative piece to be checked, and according to the selected corresponding standard gauge block of this preliminary dimension, when measuring, can realize the detection of " one-to-many ", overcome the defective that " one to one " detection is brought in the existing gauge block verification system, the efficient of calibrating is higher; On the other hand,, rather than observe by artificial mode by the image input signal treating apparatus of camera with quantitative piece to be checked, the labour intensity when having reduced calibrating, precision is higher.
Before described A step, also have the following steps:
A: standard gauge block is placed on the worktable; B, standard gauge block is made a video recording and, handle and judge the preliminary dimension of this standard gauge block by signal processing apparatus photographic image input signal treating apparatus by camera; C, adjust gauge head and make it, and with the signal input signal treating apparatus that laser interference device produced, and the size value of this standard gauge block is stored near standard gauge block.
Abovementioned steps mainly is to be used for the numerical value of the standard gauge block of system is proofreaied and correct, because what the utility model was related is a kind of high-precision test, but system is after using a period of time, because factors such as its environment of living in, systematic error, there is deviation in the size value of the standard gauge block that can cause in the system being stored; So,, need regular as required or irregular numerical value to proofread and correct to the standard gauge block in the system for guaranteeing the accuracy of calibrating.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
Also include column, slide block and positioning knob, described laser interference device is fixed on the slide block, and slide block is located on the column and can be slided with respect to column, and positioning knob is located between column and the slide block.The dimly discernible device of laser can be adjusted its height by slide block, can lock by positioning knob after adjusting to the right place.
Described laser interference device also includes housing, input coupler, reference angle coupling prism, spectroscope, measurement angle coupling prism and Transmission Fibers, and measurement is connected with described gauge head by measuring staff with angle coupling prism and can slides with respect to housing; Input coupler, spectroscope, reference are with forming the reference light transmission line between angle coupling prism and the Transmission Fibers, input coupler, measurement are with forming the measuring light transmission line between angle coupling prism, spectroscope, the Transmission Fibers, Transmission Fibers is connected with described signal processing apparatus, also is provided with reflective prism between spectroscope and Transmission Fibers.Laser enters by input coupler, laser is through spectroscope, with reference to exporting conduct with reference to light signal from Transmission Fibers after using angle coupling prism, reflective prism, laser is exported as the measuring light signal from Transmission Fibers after spectroscope, measurement are with angle coupling prism, spectroscope, reflective prism simultaneously, signal processing apparatus is compared to reference optical signal and measuring light signal, with the distance of determining that measurement is moved with angle coupling prism, and then the size of definite quantitative piece to be checked.
Be provided with temperature sensor in described housing, this temperature sensor is connected with described signal processing apparatus.When gauge block was examined and determine, temperature sensor can transfer to signal processing apparatus with the residing temperature of system, the value of being examined and determine was revised according to system's temperature of living in by signal processing apparatus, to overcome the influence that system temperature causes calibration accuracy.
Described laser interference device also includes the driving mechanism that described gauge head is driven, and this driving mechanism is connected with described signal processing apparatus.In the step C, when adjusting probe location, signal processing apparatus carries out real-time record to the displacement of gauge head.
Described signal processing apparatus can comprise computing machine and signal Processing case, is provided with gauge block identification module, action control module, check and correction module, measurement module, memory module, data processing module in signal processing apparatus.
In sum, the utility model has the advantages that: the utility model can be realized the automatic Verification of gauge block, and can be by the selected automatically corresponding standard gauge block of system, and efficient is higher, and workload is little.
Description of drawings
Fig. 1 is among the utility model embodiment, the structural representation of gauge block verification system;
Fig. 2 is the structural representation of laser interference device;
Fig. 3 is the theory diagram of signal processing apparatus;
Description of reference numerals:
1, worktable, 2, laser interference device, 3, signal processing apparatus, 4, the signal Processing case, 5, computing machine, 6, camera, 7, gauge head, 8, column, 9, slide block, 10, positioning knob, 11, housing, 12, input coupler, 13, with reference to using angle coupling prism, 14, spectroscope, 15, measure with angle coupling prism, 16, Transmission Fibers, 17, reflective prism, 18, temperature sensor, 19, action control module, 20, system is provided with module, and 21, real-time display module, 22, the check and correction module, 23, measurement module, 24, memory module, 25, data processing module, 26, the uncertainty computing module, 27, print module, 28, the historical query module, 29, help module, 30, quantitative piece to be checked, 31, measuring staff, 32, the gauge block identification module.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
As shown in Figure 1 to Figure 3, a kind of gauge block automatic verification system, comprise worktable 1, laser interference device 2 and signal processing apparatus 3, also include camera 6, laser interference device 2 comprises gauge head 7, gauge head 7 is located at the top of worktable 1 and relative with worktable 1, and camera 6 is towards the top of worktable 1, and laser interference device 2 and camera 6 all are connected with signal processing apparatus 3.
Wherein, this system also includes column 8, slide block 9 and positioning knob 10, and described laser interference device 2 is fixed on the slide block 9, and slide block 9 is located on the column 8 and can be slided with respect to column 8, and positioning knob 10 is located between column 8 and the slide block 9; Described laser interference device 2 also includes housing 11, input coupler 12, reference angle coupling prism 13, spectroscope 14, measures with angle coupling prism 15 and Transmission Fibers 16, and measurement is used angle coupling prism 15 to be connected with described gauge head 7 by measuring staff 31 and can be with respect to housing 11 slips; Input coupler 12, spectroscope 14, reference are with forming the reference light transmission line between angle coupling prism 13 and the Transmission Fibers 16, input coupler 12, measurement are with forming the measuring light transmission line between angle coupling prism 15, spectroscope 14, the Transmission Fibers 16, Transmission Fibers 16 is connected with described signal processing apparatus 3; Be provided with temperature sensor 18 in described housing 11, this temperature sensor 18 is connected with described signal processing apparatus 3; Described laser interference device 2 also includes the driving mechanism that described gauge head 7 is driven, and this driving mechanism is connected with described signal processing apparatus 3.
Described signal processing apparatus 3 can comprise computing machine 5 and signal Processing case 4, is provided with gauge block identification module 32, action control module 19, check and correction module 22, measurement module 23, memory module 24, data processing module 25, historical query module 28, help module 29, system in signal processing apparatus 3 module 20, display module 21, uncertainty computing module 26 and print module 27 in real time are set; Wherein:
The image that gauge block identification module 32 is used for acquisition camera 6 is tentatively discerned the preliminary dimension value of gauge block; Action control module 19 is used for the action of controlling and driving mechanism, and have that state resets, manual state is selected, start measure, close, function such as measure, suspend, remeasure; Check and correction module 22 is used for according to the gauge block preliminary dimension of gauge block identification module 32 identifications or numerical value input standard gauge block, and can point out standard gauge block automatically according to the numerical value or the scope of the tested gauge block of input, proofreads according to input check and correction number of times; Measurement module 23 can be selected manual two states, and the input measurement number of times is selected the measurand type, selects measurand scope and nominal thereof with tabulation of gauge block nominal value or the form chosen, and is optional, can delete; Memory module 24 is used to preserve by information such as the censorship document numbering of test examination instrument, certificate unit, certificate odd numbers, raw readings number, instrument model specification, instrument numbering, detection time, testing staff, temperature, humidity, can search by the database form.Classification real-time storage process data information also generates the file that can be repeated to call, and leave corresponding data output interface, does that the experiment follow-up data is handled or the checking purposes, and data are preserved and can be revised with " date+raw readings number " form; Data processing module 25 is used to show foundations such as the icon, data of gauge block deciding grade and level evaluation, wherein data are according to revising editor, the measurement result that obtains comprises " (can choose) such as gauge block nominal value, length, length variation, length stability, flatness, conglutinations ", testing result is carried out ranking, but while input precision grade and tolerance value, computing machine provides the rating of gauge block automatically; Historical query module 28 is used for detecting file by query history such as field or times; System is provided with module 20 and is used for system is provided with, as the measurand type selecting is set, tests the speed etc.; Display module 21 can show the interferometer state in real time in real time, gauge head type, position, and operation indicating is arranged, and realize simply visual with forms such as picture, literal, animations; Uncertainty computing module 26 is used for main uncertainty component is calculated, the synthetic and expanded uncertainty calculating to component, and generate editable uncertainty report; Print module 27 is used for opening in real time, preserving file, by the template page or leaf in front cover, certificate homepage, the certificate that Generates Certificate, call in and detect data, by information such as the censorship document numbering of test examination instrument, certificate unit, certificate odd numbers, raw readings number, instrument model specification, instrument numbering, detection time, testing staff, temperature, humidity, uncertainties, can add page or leaf in the certificate, print the annex of WORD form.Can print preview to gauge block nominal value, length, length variation, length stability, flatness, conglutination measurement results such as (can choose), can also repeat editor, print.Has electronic signature functionality (calling picture), printable calibration certificate in the insertion of formulation position.
In the present embodiment, the gauge block automatic Verification method of employing comprises the steps:
A, quantitative piece 30 to be checked is placed worktable 1;
B, treat calibrating gauge block 30 by camera 6 and make a video recording and, handle and judge the preliminary dimension of quantitative piece 30 to be checked by signal processing apparatus 3 with photographic image input signal treating apparatus 3, and with this selected corresponding standard gauge block;
C, adjustment gauge head 7 make its close quantitative piece 30 to be checked (when adjusting gauge head 7 positions, the displacement of 3 pairs of gauge heads 7 of signal processing apparatus is carried out real-time record), and the signal input signal treating apparatus 3 that laser interference device 2 is produced, and with the B step in the size value of selected standard gauge block compare, determine the physical size or the error of this quantitative piece 30 to be checked.
The operator can be as required, regular or irregular the described verification system of present embodiment proofreaied and correct, and promptly also had the following steps before described A step:
A: standard gauge block is placed on the worktable 1; B, make a video recording and, handle and judge the preliminary dimension of this standard gauge block by signal processing apparatus 3 photographic image input signal treating apparatus 3 by 6 pairs of standard gauge blocks of camera; C, adjust gauge head 7 and make it, and the signal input signal treating apparatus 3 that laser interference device 2 is produced, and the size value of this standard gauge block is stored near standard gauge block.
The principle of work of optical interference means is: laser enters by input coupler 12, laser is through spectroscope 14, with reference to exporting conduct with reference to light signal from Transmission Fibers 16 after using angle coupling prism 13, reflective prism 17, laser is exported as the measuring light signal from Transmission Fibers 16 after spectroscope 14, measurement are with angle coupling prism 15, spectroscope 14, reflective prism 17 simultaneously, 3 pairs of reference optical signals of signal processing apparatus and measuring light signal are compared, with the distance of determining that measurement is moved with angle coupling prism 15, and then the size of definite quantitative piece 30 to be checked.
Present embodiment is owing to be equipped with camera 6, and the image of being exported by 3 pairs of cameras 6 of signal processing apparatus carries out pre-service, to determine the preliminary dimension of quantitative piece 30 to be checked, and according to the selected corresponding standard gauge block of this preliminary dimension, when measuring, can realize the detection of " one-to-many ", overcome the defective that " one to one " detection is brought in the existing gauge block verification system, the efficient of calibrating is higher; On the other hand,, rather than observe by artificial mode by the image input signal treating apparatus 3 of camera 6 with quantitative piece 30 to be checked, the labour intensity when having reduced calibrating, precision is higher.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (6)
1. gauge block automatic verification system, comprise worktable, laser interference device and signal processing apparatus, it is characterized in that, also include camera, laser interference device comprises gauge head, gauge head is located at the top of worktable and relative with worktable, and camera is towards the top of worktable, and laser interference device and camera all are connected with signal processing apparatus.
2. gauge block automatic verification system according to claim 1, it is characterized in that also include column, slide block and positioning knob, described laser interference device is fixed on the slide block, slide block is located on the column and can be slided with respect to column, and positioning knob is located between column and the slide block.
3. gauge block automatic verification system according to claim 1, it is characterized in that, described laser interference device also includes housing, input coupler, reference angle coupling prism, spectroscope, measurement angle coupling prism and Transmission Fibers, and measurement is connected with described gauge head by measuring staff with angle coupling prism and can slides with respect to housing; Input coupler, spectroscope, reference are with forming the reference light transmission line between angle coupling prism and the Transmission Fibers, input coupler, measurement are with forming the measuring light transmission line between angle coupling prism, spectroscope, the Transmission Fibers, Transmission Fibers is connected with described signal processing apparatus.
4. as gauge block automatic verification system as described in the claim 3, it is characterized in that be provided with temperature sensor in described housing, this temperature sensor is connected with described signal processing apparatus.
5. as gauge block automatic verification system as described in the claim 3, it is characterized in that described laser interference device also includes the driving mechanism that described gauge head is driven, this driving mechanism is connected with described signal processing apparatus.
6. as gauge block automatic verification system as described in each in the claim 1 to 5, it is characterized in that, be provided with gauge block identification module, action control module, check and correction module, measurement module, memory module, data processing module in the described signal processing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202722651U CN201600124U (en) | 2009-11-20 | 2009-11-20 | Gauge block automatic verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202722651U CN201600124U (en) | 2009-11-20 | 2009-11-20 | Gauge block automatic verification system |
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| CN201600124U true CN201600124U (en) | 2010-10-06 |
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| CN2009202722651U Expired - Fee Related CN201600124U (en) | 2009-11-20 | 2009-11-20 | Gauge block automatic verification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628700A (en) * | 2022-11-02 | 2023-01-20 | 江南大学 | High-precision measuring rod calibration method |
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2009
- 2009-11-20 CN CN2009202722651U patent/CN201600124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628700A (en) * | 2022-11-02 | 2023-01-20 | 江南大学 | High-precision measuring rod calibration method |
| CN115628700B (en) * | 2022-11-02 | 2024-05-28 | 江南大学 | High-precision measuring rod calibration method |
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| 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: 20101006 Termination date: 20111120 |