CN2660480Y - Measuring system having auxiliary focusing function - Google Patents
Measuring system having auxiliary focusing function Download PDFInfo
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- CN2660480Y CN2660480Y CN 03252643 CN03252643U CN2660480Y CN 2660480 Y CN2660480 Y CN 2660480Y CN 03252643 CN03252643 CN 03252643 CN 03252643 U CN03252643 U CN 03252643U CN 2660480 Y CN2660480 Y CN 2660480Y
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- image capture
- capture unit
- auxiliary focusing
- measuring
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Abstract
A measuring system provided with auxiliary focusing function, in particular a two-dimensional measuring system combined with laser auxiliary focusing function, includes a measuring machine which is equipped with an elevating mechanism, an elevation adjusting wheel for adjusting the elevating mechanism and a bottom dais, an image capturing device which is arranged on the elevation mechanism, a measuring platform which is arranged on the bottom dais of the measuring mechanism for bearing objects to be measured, a light source device which is arranged under one side of the image capturing device for supplying a focusing beam projecting on the measuring platform and a controlling device which is connected with the image capturing device for displaying the image of the object to be measured which is captured by the image capturing device.
Description
Technical field
The utility model relates to a kind of measuring system with auxiliary focusing function, refers in particular to a kind of two-dimensional measurement system that is combined with laser auxiliary focusing system, and has auxiliary focusing function and measuring height function.
Background technology
The consciousness of industry ubiquity qualitative control at present, with continuous its productive capacity attitude of improving, because if only ignored the utilization of QC in the raising that is intended to yield-power, usually can't obtain the permanent trust of consumer, wherein the control of QC more and more relies on surveying instrument equipment, the product of the precision that can't inspect by naked eyes particularly, for example regularity, the jack of semiconductor packages, LCD screen, the accurate mold arranged of circuit board winding displacement, bonder terminal ... Deng.
Recently, because after the 3rd ripple information revolution, become the secret formula of industry struggle for existence for the lifting of quality precision, and surveying instrument also from traditional slide calliper rule, microscope, projector to Three-dimension Contact formula measuring instrument again to the non-contact measurement instrument, this is the lifting that is accompanied by product precision, and increase the precision of surveying instrument thereupon, after the information revolution, combine with computing machine especially, measurement result is analyzed computing, and patterned result more can make ability that the user knows manufacturing course how.
Fig. 1 is a kind of synoptic diagram of existing surveying instrument, includes a light source and produces equipment 90, one image capture units 92, and a control device 93.This light source produces equipment 90 provides light 91 with illumination object under test 94, again by image capture unit 92 pick-up images and be shown on the screen of this control device 93, can measure the distance between 2 on the object under test 94 by the auxiliary of this control device 93.
See also Fig. 2, existing image capture unit 92 can move up and down, usually has a camera lens 921 and a manual focus control 922 obtains image clearly with adjustment, the characteristics of this kind system are simple in structure and more cheap, yet the stability and the fiduciary level that lack system, manual focusing causes the error of artificial measurement easily, because of the difference of survey crew draws different measurement data, measurement report is difficult for tool height cogency, even and skilled operating personnel, when each focusing still costs about two to three minutes, accumulate significantly affecting efficient.
Therefore develop and a kind of measuring system that can focus automatically, see also Fig. 3, it utilizes the laser coaxial principle, provide an autofocus system 95 in image capture unit 92 inside, comprise light emitted device 951 with provide light, lens combination 953 with collected light, first catoptron 954 with reflection ray to object under test 94,955 reflections of second catoptron are assembled by this lens combination 953 by the light of object under test 94 reflections again, arrive light source receiver 952 to receive light.This kind system can focus and automatically without manual focus, but because of being incorporated into the inside of camera lens, its structure is very complicated and expensive, and the point on can only measurement plane and the distance of point.Wherein the angle a of the focusing light of the focusing light of incident and reflection need be as far as possible little, more increases the degree of difficulty of its structure, otherwise easily locally can't reflex to second catoptron 955 because of the surface tilt of object under test reflexes to other with light.Another side if desire is bought the measurement board of focusing so automatically, except machine costs an arm and a leg, is measured board if abandon still spendable originally manual focus, and is very unfortunate again.
Based on this, the property improved of the above-mentioned defective of this case designer thoughts, concentrate on studies and cooperate theoretical utilization, an improvement is done in the consideration just framework of the board of manual focus measurement originally, to increase the stability and the fiduciary level of system, propose a kind of reasonable in design and can effectively improve the utility model that existing manual focus is measured the board defective finally.
The utility model content
Fundamental purpose of the present utility model provides a kind of measuring system with auxiliary focusing function, it mainly provides a kind of auxiliary focusing system, it is arranged on the measuring system, particularly two-dimensional measurement system, can assist operator by the auxiliary focusing light beam accurately and rapid focus, with the stability and the fiduciary level of increase measuring system, but and measuring height, and have the function of three-dimension measuring system.
To achieve these goals, the utility model provides a kind of auxiliary focusing system, is arranged in the two-dimensional measurement system, and this two-dimensional measurement system has a measuring table to place object under test, and this auxiliary focusing system comprises:
One image capture unit is arranged in this two-dimensional measurement system, to capture the image of this object under test;
One light supply apparatus, contiguous this image capture unit is provided with, and is projeced on this measuring table with the light beam that a focusing is provided; And
One control device is connected in this image capture unit, to show the image of object under test that this image capture unit is captured.
Aforesaid auxiliary focusing system, wherein this image capture unit has a charge-coupled device (CCD).
Aforesaid auxiliary focusing system, wherein this light supply apparatus has a photogenerator and a lens combination, and is laser light-source device.
Aforesaid auxiliary focusing system, wherein this control device is a personal computer, includes a display at least.
Aforesaid auxiliary focusing system, wherein this control device has a computer control module, cooperates this image capture unit, setting a video picture scope, and analyzes the light intensity of the luminous point on the measuring table that this image capture unit captured.
The utility model also provides a kind of measuring system with auxiliary focusing function, comprising:
One measures board, has an elevating mechanism, lift adjustment wheel to adjust this elevating mechanism, to reach a base frame; One image capture unit is arranged on this elevating mechanism; One measuring table is set up on the base frame of this measurement board, with the carrying object under test; One light supply apparatus is arranged at a side-lower of this image capture unit, is projeced on this measuring table with the light beam that a focusing is provided; And a control device, be connected in this image capture unit, to show the image of object under test that this image capture unit is captured.
Aforesaid measuring system with auxiliary focusing function, wherein this image capture unit have a camera lens, a junction connect this camera lens to this elevating mechanism and transmission institute picked image to this control device, a focusing portion is located on this camera lens and an external light source be located at this camera lens around.
Aforesaid measuring system with auxiliary focusing function wherein has a charge-coupled device (CCD) in the camera lens of this image capture unit.
Aforesaid measuring system with auxiliary focusing function, wherein this light supply apparatus is a LASER Light Source, include a fixed part fix this light supply apparatus on the connecting portion of this image capture unit, a photogenerator, a lens combination and a gauge tap be with the switch of control light source.
Aforesaid measuring system with auxiliary focusing function, wherein this control device is a personal computer, at least include a display, and a computer control module cooperates this image capture unit, to set a video picture scope, reach the light intensity of analyzing the luminous point on the measuring table that this image capture unit captured.Wherein this computer control module can be a computer program.
The beneficial effects of the utility model are, but by the laser assist operator accurately and rapid focus, to increase the stability and the fiduciary level of measuring system; Can measure the height of object under test by the system of this auxiliary focusing, and make the two-dimensional measurement system have the function of three-dimension measuring system at the Z axle; The system of this auxiliary focusing can be installed in the two-dimensional measurement system, and need not discard original measurement board by the mode that installs additional, can effectively save cost.
Existing conjunction with figs. is described in detail as follows preferred embodiment of the present utility model, but this explanation only is to be used for illustrating the utility model, but not interest field of the present utility model is done any restriction.
Description of drawings
Fig. 1 is the synoptic diagram of existing surveying instrument;
Fig. 2 is the synoptic diagram of existing image capture unit;
Fig. 3 is the synoptic diagram of the existing measuring system that can focus automatically;
Fig. 4 is the system architecture diagram of laser auxiliary focusing of the present utility model;
Fig. 5 is the synoptic diagram of the utility model image capture unit acquisition luminous point;
Fig. 6 is the specific embodiment synoptic diagram that the utlity model has the measuring system of auxiliary focusing function;
Fig. 7 is the utility model measuring principle synoptic diagram;
Fig. 8 is the measuring principle synoptic diagram that the utility model is placed object under test; And
Fig. 9 is an operational flowchart of the present utility model.
Wherein, description of reference numerals is as follows:
(having now)
Light source produces equipment 90 light 91
Focus control 922
First catoptron, 954 second catoptrons 955
(the utility model)
Camera lens 12 connecting portions 14
Focusing portion 16 external light sources 18
Measure board 20 elevating mechanisms 22
24 base frames 26 are taken turns in lift adjustment
Fixed part 32 photogenerators 34
Measuring table 40 rest areas 42
Secondary light source 44 control gears 46
50 light beams 60,60 ' are adorned in control
Make zero flow process 70 of adjustment is measured flow processs 80
Angle theta reference field L
Height h1, h2
Luminous point a1, a2, b
Embodiment
See also Fig. 4, be the system architecture diagram with auxiliary focusing function of the present utility model.This auxiliary focusing system includes an image capture loading amount 10, a light supply apparatus 30 contiguous this image capture units 10 that are arranged at, and reaches a control device 50 and is connected in this image capture unit 10.This light supply apparatus 30 includes a photogenerator 34 and a lens combination 36, is projected on the measuring table 40 to produce light beam 60, and produces a luminous point 61.Wherein this light source can be any visible light, and the best is the light source of laser, because laser has good straight line character, be difficult for to disperse and be fit to do the light source of auxiliary focusing.This image capture unit 10 has a photoelectric conversion device, for example be charge-coupled device (CCD) (Charge CoupledDevice), or complementary metal oxide semiconductor (CMOS) (Complementary Metal-OxideSemiconductor) is that electronic signal is to be shown in this control device 50, for example graphoscope with conversion light.Wherein this light beam 60 is healed thin measurement result more precisely, therefore can add a shielding plate with pin hole before this lens combination 36.
See also Fig. 5, be the synoptic diagram of image capture unit acquisition luminous point.This image capture unit 10 captures these luminous point 61 backs and is shown in this control device 50, sets a video picture scope 62 by the display of this control device 50.This moment, naked eyes were to judge that the image of this luminous point 61 whether for the most clearly, that is to say not on the focus of this image capture unit 10.Yet, because the X-axis of this luminous point 61 and the light intensity of Y-axis are as shown in Figure 5, it respectively has crest value, therefore can be by the analysis of computer program and the upright position or the adjustment Jiao Quan of this image capture unit 10 of cooperation adjustment, obtain the crest place of the light intensity of the X-axis of this luminous point 61 of its image and Y-axis, also i.e. this luminous point 61 image the most clearly also is the focus of this image capture unit 10.Again this luminous point 61 is set in the central authorities of this video picture scope 62, and the Z axle that is set at image is to be convenient for measuring.
See also Fig. 6, be the synoptic diagram of the measuring system specific embodiment that the utlity model has the auxiliary focusing function.This measuring system 1 with auxiliary focusing function includes one and measures board 20, and above-mentioned auxiliary focusing system.Wherein this measurement board 20 have an elevating mechanism 22 for these image capture units 10 is provided with thereon movably, lift adjustment wheel 24 with adjust this elevating mechanism 22, and a base frame 26 these measuring tables 40 of confession set up thereon.
This image capture unit 10 have a camera lens 12, a junction 14 connect these camera lenses 12 to this elevating mechanism 22 and transmission institute picked image to this control device 50, a focusing portion 16 is located on this camera lens 12 and external light source 18 be located at this camera lens 12 around.Wherein this camera lens 12 can be normal CCD camera lens gets final product, and its multiple can be located at 0.7～4.5X.
This light supply apparatus 30, include a fixed part 32 fix this light supply apparatus 30 on the connecting portion 14 of this image capture unit 10, a photogenerator 34, a lens combination 36, and a gauge tap 38 with the switch of control light source.Wherein this light supply apparatus 30 is along with this image capture unit 10 moves up and down.
This measuring table 40 has a rest area 42 and is located at this rest area 42 belows for placement object under test 48, a secondary light source 44, and pair of control mechanism 46 controls vertical and horizontal the moving of this measuring table 40 respectively.
See also Fig. 7, be the utility model measuring principle synoptic diagram.This incident beam 60 is θ with the angle of the Z axle of this image.If it is for adjusting the position after focusing on, definition one presents the reference field L of sharp image, wherein this image capture unit 10 is that the projection luminous point 61 of h1 and this light beam 60 is the Z axle of image apart from the height of this measuring table 40, and record highly is zero in this control device 50.Consult Fig. 8 again, place the measuring principle synoptic diagram of object under test for the utility model.The luminous point of supposing these light beam 60 original projections is a1, and correspond to A point on this video picture scope 62, when this object under test 48 is positioned on this measuring table 40, the projection luminous point of this light beam 60 moves to this object under test 48 lip-deep b points, and correspond to B point on this video picture scope 62, also ascending the throne has moved away the center of original image, and is not the focus of this image capture unit 10.Adjust the position of this image capture unit 10 that raises this moment by this lift adjustment wheel 24 of measuring board 20, and its height that moves of record in this control device 50, because this light supply apparatus 30 is along with this image capture unit 10 moves up and down, so this light beam 60 is also along with moving.Observe by the video picture scope on the display of this control device 50 62, make the position of this luminous point move back to the position that A is ordered again by the B point, also be the position that light beam 60 moves to light beam 60 ', the projection luminous point on these object under test 48 surfaces is moved to and the corresponding a2 point of Z axle by the b point.Suppose that this moment, this image capture unit 10 was h2 apart from the height of this measuring table 40, the difference of h2 and h1 wherein, be the mobile height h of this image capture unit 10 and this light supply apparatus 30, be the height of this object under test 48 in video picture scope 62 centers, and can be by directly reading on this control device 50.Wherein the angle of this angle theta is bigger sensitiveer, because heal when big when angle, the projection luminous point b on these object under test 48 surfaces names a person for a particular job and produces bigger displacement and convenient observation.
In order to be illustrated more clearly in operation steps of the present utility model, see also Fig. 9, be operational flowchart of the present utility model.The adjustment that wherein the is divided into measuring system flow process 70 that makes zero, and measure flow process 80; The adjustment of this measuring system flow process 70 that makes zero includes:
This measurement flow process 80 includes:
So can focus exactly, and can read the height of this object under test 48 easily by means of this control device 50 by this auxiliary LASER Light Source 30.
Therefore characteristics that can produce by the utility model and function through put in order as after:
But one, accurately and rapid focus, to increase the stability and the fiduciary level of measuring system by the laser assist operator.
Two, can measure the height of object under test by the system of this auxiliary focusing, and make the two-dimensional measurement system have the function of three-dimension measuring system at the Z axle.
Three, the system of this auxiliary focusing can be installed in the two-dimensional measurement system, and need not discard original measurement board by the mode that installs additional, can effectively save cost.
The above only is the utility model preferred embodiment, can not limit interest field of the present utility model with this, and therefore the equalization of being made according to the utility model content changes or modifies, and still belongs to the scope that the utility model is contained.
Claims (10)
1, a kind of auxiliary focusing system is arranged in the two-dimensional measurement system, and this two-dimensional measurement system has a measuring table to place object under test, it is characterized in that this auxiliary focusing system comprises:
One image capture unit is arranged in this two-dimensional measurement system;
One light supply apparatus, contiguous this image capture unit is provided with, and the light beam of launching a pair of Jiao is projeced on this measuring table; And
One control device is connected in this image capture unit.
2, auxiliary focusing as claimed in claim 1 system is characterized in that this image capture unit has a charge-coupled device (CCD).
3, auxiliary focusing as claimed in claim 1 system is characterized in that this light supply apparatus has a photogenerator and a lens combination, and is laser light-source device.
4, auxiliary focusing as claimed in claim 1 system is characterized in that this control device is a personal computer, includes a display at least.
5, auxiliary focusing as claimed in claim 4 system, it is characterized in that this control device has and cooperates this image capture unit to set a video picture scope and analyze a computer control module of the light intensity of the luminous point on the measuring table that this image capture unit captures.
6, a kind of measuring system with auxiliary focusing function is characterized in that, comprising:
One measures board, has a lift adjustment wheel and a base frame that an elevating mechanism, can be adjusted this elevating mechanism;
One image capture unit is arranged on this elevating mechanism;
One measuring table is set up on the base frame of this measurement board, this measuring table carrying object under test;
One light supply apparatus is arranged at a side-lower of this image capture unit, and it is launched a pair of defocused laser beam and is projeced on this measuring table; And
One control device is connected in this image capture unit.
7, the measuring system with auxiliary focusing function as claimed in claim 6, it is characterized in that this image capture unit has a camera lens, and connects this camera lens to this elevating mechanism and transmission institute picked image to the connecting portion, of this control device and be located at focusing portion and on this camera lens and be located at external light source around this camera lens.
8, the measuring system with auxiliary focusing function as claimed in claim 7 is characterized in that, has a charge-coupled device (CCD) in the camera lens of this image capture unit.
9, the measuring system with auxiliary focusing function as claimed in claim 7, it is characterized in that, this light supply apparatus is a LASER Light Source, include a fixed part fix this light supply apparatus on the connecting portion of this image capture unit, a photogenerator, a lens combination and a gauge tap.
10, the measuring system with auxiliary focusing function as claimed in claim 6, it is characterized in that, this control device is a personal computer, at least include a display, and one cooperates this image capture unit to set video picture scope and analyzes the computer control module of the light intensity of luminous point on the measuring table that this image capture unit captures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03252643 CN2660480Y (en) | 2003-09-23 | 2003-09-23 | Measuring system having auxiliary focusing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03252643 CN2660480Y (en) | 2003-09-23 | 2003-09-23 | Measuring system having auxiliary focusing function |
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| Publication Number | Publication Date |
|---|---|
| CN2660480Y true CN2660480Y (en) | 2004-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03252643 Expired - Fee Related CN2660480Y (en) | 2003-09-23 | 2003-09-23 | Measuring system having auxiliary focusing function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462767C (en) * | 2005-12-27 | 2009-02-18 | 鸿富锦精密工业（深圳）有限公司 | Image focusing display system and method |
| CN105277127A (en) * | 2014-07-03 | 2016-01-27 | 石家庄市申跃电子仪器有限公司 | Intelligent cable thickness block detection instrument |
| CN109631792A (en) * | 2017-10-09 | 2019-04-16 | 和全丰光电股份有限公司 | Non-contact surface profile scan device |
-
2003
- 2003-09-23 CN CN 03252643 patent/CN2660480Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462767C (en) * | 2005-12-27 | 2009-02-18 | 鸿富锦精密工业（深圳）有限公司 | Image focusing display system and method |
| CN105277127A (en) * | 2014-07-03 | 2016-01-27 | 石家庄市申跃电子仪器有限公司 | Intelligent cable thickness block detection instrument |
| CN109631792A (en) * | 2017-10-09 | 2019-04-16 | 和全丰光电股份有限公司 | Non-contact surface profile scan device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |