CN107179182A - A kind of detection means - Google Patents
A kind of detection means Download PDFInfo
- Publication number
- CN107179182A CN107179182A CN201710545127.5A CN201710545127A CN107179182A CN 107179182 A CN107179182 A CN 107179182A CN 201710545127 A CN201710545127 A CN 201710545127A CN 107179182 A CN107179182 A CN 107179182A
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- CN
- China
- Prior art keywords
- measurement apparatus
- distance measurement
- catoptric arrangement
- optical
- optical distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
Abstract
The present invention relates to the Product checking field of optical distance measurement apparatus, more particularly, to a kind of detection means.A kind of detection means, including catoptric arrangement and optical distance measurement apparatus, the optical distance measurement apparatus lays at least one detachable testing element to be measured, the spacing of the catoptric arrangement and optical distance measurement apparatus is adjustable, the optical distance measurement apparatus is in its spacing with catoptric arrangement of the test Point Measurement of each setting and exports measurement distance or measurement light intensity, by in the optical distance measurement apparatus and the actual distance of catoptric arrangement of each test point position and the comparison of measurement distance or actual distance and the comparison for measuring light intensity, to determine whether the testing element to be measured on optical distance measurement apparatus is qualified.The DATA REASONING integrated for testing element, make use of the characteristic of the optically measuring speeds of optical distance measurement apparatus rapidly and efficiently, compares quick and precisely, is applicable a variety of testing elements, saves the space-consuming of detection device.
Description
Technical field
The present invention relates to the Product checking field of optical distance measurement apparatus, more particularly, to a kind of detection means.
Background technology
At present, in R＆D process, to the optical characteristics of photovoltaic, electrology characteristic and its work specific performance parameter
Detection is essential program.In the detection to photovoltaic optical characteristics, the detection particularly to lens devices, existing
In some technologies, usually used detection mode is to be compared according to the size of standard eyeglass.But, in this way only
It is only capable of detecting the dimensional discrepancy of lens, performance of the lens in global facility is applied to can not be detected, such as by saturating
Whether the performance parameter that mirror is measured is in the range of set electrooptical device optical performance requirements.
The eccentric method of measurement is by allowing rotary sample, passing through directional light incident（Transmission or reflection）The focal plane of sample
（Or the center of curvature）The bounce of upper crosshair judges eccentric size.There are lens to determine to measure the lens detection means of bias
Center instrument, focometer etc., mainly carry out determining for error by contactless mode with transmission-type or Transflective two ways
Measurement.
Above two mode is used to measuring and judging that the operation of the parameters error of lens is complex, for entirety
The performances of lens whether also need to further weighted calculation suitable for measurement apparatus, increase the error of measurement result.Together
Reason, is often measured for the circuit board, light source, receiving module of range unit using special circuit, then by difference
Calculate corresponding parameter error, the survey tool of use is more, and the metering system taken is more, increases and measures into
This, increases the error of measurement.
The content of the invention
In order to solve the above problems, present invention offer is a kind of whether to judge object to be measured by the performance parameter measured
Detection means in claimed range of the set electro-optical distance measurement device to optical property, adopts the following technical scheme that realization：
A kind of detection means, including catoptric arrangement and optical distance measurement apparatus, the optical distance measurement apparatus lays at least one can
Testing element to be measured is dismantled, the spacing of the catoptric arrangement and optical distance measurement apparatus is adjustable, and the optical distance measurement apparatus is each
Its spacing with catoptric arrangement of the test Point Measurement of setting simultaneously exports measurement distance or measurement light intensity, by being tested at each
Put the optical distance measurement apparatus and the actual distance of catoptric arrangement and the comparison of measurement distance or actual distance of position and measure light intensity
Compare, to determine whether the testing element to be measured on optical distance measurement apparatus is qualified.
As one of the preferred embodiments of the present invention, the optical distance measurement apparatus includes light source, circuit board, for assembling
Launch transmitting optical module, the reception optical module and receiving module for convergence reflex light beam of light beam, the circuit board drives
Dynamic light source sends light beam, and the light beam incides catoptric arrangement, and the receiving module receives the light beam after catoptric arrangement reflection, institute
State light source, circuit board, transmitting optical module, at least one or several the detachable setting received in optical module and receiving module
In optical distance measurement apparatus.
As one of the preferred embodiments of the present invention, in addition to drive device and control system, the control system is led to
Over-driving device drives the optical distance measurement apparatus or catoptric arrangement one by one by test point position.
As one of the preferred embodiments of the present invention, the test point position is by operation of the control system according to drive device
Parameter is calculated and determined；
Or, test point position, which is measured by actual distance caliberating device and transmitted corresponding signal to control after demarcating, is
System.
As one of the preferred embodiments of the present invention, the drive device includes driver and stepper motor, the step
Stepper motor is connected by gear ＆ rack structure or feed screw nut's structure with catoptric arrangement or optical distance measurement apparatus；
Or, the drive device includes driver and linear electric motors, and the output shaft of the linear electric motors is directly connected to reflection knot
Structure or optical distance measurement apparatus.
As one of the preferred embodiments of the present invention, feed screw nut's structure include be arranged on the catoptric arrangement or
Nut seat below optical distance measurement apparatus, and it is screwed onto the screw mandrel being adapted in the nut seat and with nut seat, the silk
The fixing end of bar is connected with the power transmission shaft of stepper motor, and the other end of the screw mandrel is located on support base.
As one of the preferred embodiments of the present invention, the fixing end and support base of the screw mandrel are correspondingly arranged limited respectively
Bit switch, the limit switch is when it is less than or equal to setting safe distance value with the measured distance of corresponding screw mandrel end, to control
System processed sends signal, receives the control system order-driven device after signal and stops movement.
As one of the preferred embodiments of the present invention, the detection means also includes filling with catoptric arrangement or optical ranging
That puts sets the parallel straight optical axis guide rail of test path, the catoptric arrangement or optical distance measurement apparatus being connected with drive device
It is set on straight optical axis guide rail, and the catoptric arrangement or optical distance measurement apparatus are only along parallel with straight optical axis guide rail
Set test path movement.
As one of the preferred embodiments of the present invention, the receiving module includes sensitive chip and/or timing chip；Institute
Light source is stated for LED/light source or LASER Light Source.
As one of the preferred embodiments of the present invention, light source is two or four, and light source described in two or four is distinguished
It is symmetricly set on the both sides of receiving module.
As one of the preferred embodiments of the present invention, the detection means also includes outer casing base, the outer casing base
On be provided with for installing light source, transmitting optical module, the mounting groove for receiving optical module, circuit board and receiving module, it is described
It is additionally provided with for localizing emission optical module and receives above outer casing base on the positioning lens of optical module and cover, and is used for
Covered on the locating circuit board of locating circuit board.
As one of the preferred embodiments of the present invention, in addition to vertically move up and down and in setting height positioning
Lifting platform, the optical distance measurement apparatus or catoptric arrangement are arranged on the lifting platform.
As one of the preferred embodiments of the present invention, in addition to by the catoptric arrangement and optical distance measurement apparatus encapsulate
The side for changing testing element to be measured is offered on the housing come, the housing to open the door.
As one of the preferred embodiments of the present invention, the housing is made of clear material.
As one of the preferred embodiments of the present invention, the transmitting optical module includes the hair being arranged in transmitting light path
Penetrate in lens, every transmitting light path and be correspondingly arranged on a diversing lens.
As one of the preferred embodiments of the present invention, it is described reception optical module include along receiving light path from outer to inner according to
Lens in the reception outer lens of secondary setting and reception.
Present invention also offers a kind of detection method, testing element to be measured correspondence is arranged on optical distance measurement apparatus, led to
Structure of overdriving drives catoptric arrangement or optical distance measurement apparatus continuously to move and one by one by the test point position set, the optics
Range unit is in each test Point Measurement and exports measurement distance, and the optical distance measurement apparatus and reflection of each test point position are tied
The measurement distance and actual distance of structure are compared, and judge whether testing element to be measured is qualified；
Or, the measurement light intensity and actual distance of optical distance measurement apparatus and catoptric arrangement to each test point position are compared, and are judged
Whether testing element to be measured is qualified.
As one of the preferred embodiments of the present invention, using ratio method to each test point position optical distance measurement apparatus with
The measurement distance A of catoptric arrangementnWith actual distance anOr measurement light intensity InWith actual distance anIt is compared：
The optical distance measurement apparatus of each test point position and the measurement distance A of catoptric arrangementnWith actual distance anRatio PnNumerical value
Scope exists（k1, k2）Between when, testing element to be measured is qualified；
Or, the optical distance measurement apparatus of each test point position and the measurement light intensity I of catoptric arrangementnWith actual distance anRatio Qn
Number range exist（k3, k4）Between when, testing element to be measured is qualified；
Wherein, the n is the natural number more than or equal to 1, the k1、k2、k3And k4For constant, and k2More than k1, k4More than k3。
As one of the preferred embodiments of the present invention, the PnMiddle n value is M, then from P1To PMIn this M numerical value
Be up to N-1 exists（k1, k2）Outside, then PnCorresponding testing element to be measured is qualified；
Or, the QnMiddle n value is M, then from Q1To QMN-1 is up in this M numerical value to exist（k3, k4）Outside, then Qn
Corresponding testing element to be measured is qualified；
M is the natural number more than 1, and N is the natural number more than or equal to 1, and M is more than N-1.
As one of the preferred embodiments of the present invention, the PnMiddle n value is 80, then P1To P80In this 80 numerical value
Be up to 5 in setting（k1, k2）Outside, the testing element to be measured for meeting aforementioned condition is qualified；
Or, the QnMiddle n value is 80, then Q1To Q805 are up in this 80 numerical value in setting（k3, k4）Outside,
The testing element to be measured for meeting aforementioned condition is qualified.
The present invention for object product to be measured actual use environment, create a mini-system, for some or
The DATA REASONING that the combination of the several testing elements of person is integrated, make use of the optically measuring speeds of optical distance measurement apparatus rapidly and efficiently
Characteristic, compare quick and precisely, be applicable a variety of testing elements, a tractor serves several purposes, save detection device space-consuming.In the present invention
In by experiment repeatedly measurement demarcation examination criteria and error as the standard of judgement, judge whether lens qualified, while can
The uniformity of lens is detected, thus enhances the examination to lens, and effectively establishes the database of lens, is enhanced
The trackability of mirror test.
Brief description of the drawings
Fig. 1 is the index path of detection means of the present invention.
Fig. 2 is the overall assembling schematic diagram of detection means of the present invention.
Fig. 3 is the structural representation of the outer casing base of detection means of the present invention.
1- diversing lens；2- catoptric arrangements；3- receives outer lens；4- receives interior lens；5- fulcrum bearings；6- limit switches；
7- outer casing bases；8- nut seats；9- leading screws；10- straight optical axis guide rails；11- fixing ends；12- shaft couplings；13- stepper motors；
14- control systems；15- drivers；16- housings；17- lifting platforms；Covered on 18- positioning lens；Covered on 19- locating circuit boards；20-
Circuit board.
Embodiment
Embodiment 1
The invention provides a kind of detection means, as shown in Fig. 2 including：It is described including catoptric arrangement 2 and optical distance measurement apparatus
Optical distance measurement apparatus lays at least one detachable testing element to be measured, between the catoptric arrangement 2 and optical distance measurement apparatus
Away from adjustable, the optical distance measurement apparatus is in its spacing with catoptric arrangement 2 of the test Point Measurement of each setting and exports measurement
Distance or measurement light intensity, actual distance and measurement by the optical distance measurement apparatus in each test point position with catoptric arrangement 2
Whether the comparison of the comparison of distance or actual distance and measurement light intensity, closed with the testing element to be measured determined on optical distance measurement apparatus
Lattice.
By laying the optical distance measurement apparatus of at least one detachable testing element to be measured and being used as optical ranging
The structure setting of the catoptric arrangement 2 of the measurement target of device, create a complete test system, for some or it is a few
The DATA REASONING that the combination of individual testing element is integrated, make use of the spy of the optically measuring speeds of optical distance measurement apparatus rapidly and efficiently
Property, compare quick and precisely, be applicable the detection of a variety of testing elements to be measured, a tractor serves several purposes saves the space-consuming of detection device.Tool
In body application, the optical distance measurement apparatus can be the pulse optical range unit or phase method optics using tof Time Methods
Range unit, can also be using trigon optical distance measurement apparatus.
It is preferred that, as shown in figure 1, the optical distance measurement apparatus includes light source, circuit board 20, for assembling transmitting light beam
Launch optical module, reception optical module and receiving module for convergence reflex light beam, the receiving module includes photosensitive core
Piece and/or timing chip.The driving of circuit board 20 light source sends light beam, and the light beam incides catoptric arrangement 2 and reflected, institute
State receiving module and receive the light beam after catoptric arrangement 2 reflects, the light source, circuit board 20, transmitting optical module, reception optics group
At least one or several in part and receiving module is detachably arranged in optical distance measurement apparatus.
In order to further realize Automated condtrol and operation, the detection means also includes drive device and control system
14, the control system 14 drives the catoptric arrangement 2 one by one by test point position by drive device, the drive device
Operational factor is set by the control system 14 and modified according to specific test request.The test point position is by tester
Member needs specific setting according to test, during test the determination of test point position by control system 14 according to drive device
Operational factor is calculated and determined.
The drive device has multiple choices, for example, the drive device includes driver 15 and linear electric motors, it is described straight
The output shaft of line motor is directly connected to catoptric arrangement 2.Or, the drive device includes driver 15 and stepper motor 13.
As preference, the drive device includes driver 15 and stepper motor 13, and the catoptric arrangement 2 can be straight
The direct drive lower edge setting test path operation of stepper motor 13 is connected on, the actual distance of the catoptric arrangement 2 can pass through note
Record the rotating speed of stepper motor 13 and rotate the number of turns and draw.The stepper motor 13 passes through gear ＆ rack structure or feed screw nut's structure
It is connected with catoptric arrangement 2；Feed screw nut's structure or gear ＆ rack structure are used to promote catoptric arrangement 2 relative to optics
Range unit is moved.
In order to ensure that catoptric arrangement 2 is moved linearly and holding is coherent, feed screw nut's structure is described including being arranged on
The nut seat 8 of the lower section of catoptric arrangement 2, and it is screwed onto the screw mandrel 9 being adapted in the nut seat 8 and with nut seat 8, the silk
The fixing end 11 of bar 9 is connected with the power transmission shaft of stepper motor 13, and the other end of the screw mandrel 9 is located on support base 5.It is preferred that
, the fixing end 11 of the screw mandrel 9 is connected by shaft coupling 12 with the power transmission shaft of stepper motor 13.The control system 14 is led to
Cross stepper motor 13 and the control screw mandrel 9 of driver 15 is rotated to drive catoptric arrangement 2 to run, each test point position correspondence one
The number of turns numerical value that screw mandrel 9 is rotated, when screw mandrel 9 drives catoptric arrangement 2 to go to the number of turns numerical value of setting, the record of control system 14 is surveyed
Pilot position actual distance an.The structure that nut seat 8 and screw mandrel 9 are engaged, improve catoptric arrangement 2 along test path run it is steady
It is qualitative, meanwhile, the actual distance of catoptric arrangement 2 is recorded by recording the rotation number of turns of screw mandrel 9, and it is more accurate, and interference is more
It is small.
In order to prevent that the spacing of catoptric arrangement 2 and optical distance measurement apparatus from exceeding setting measurement maximum magnitude or screw mandrel 9 is de-
Go out nut seat 8, the fixing end 11 and support base 5 of the screw mandrel 9 are correspondingly arranged limit switches 6 respectively, and the limit switch 6 exists
When it is less than or equal to setting safe distance value with the measured distance of the corresponding end of screw mandrel 9, signal is sent to control system 14, is received
The order-driven device of control system 14 stops movement after signal.
The limit switch 6 is travel switch or proximity Hall switch.It is preferred that, the limit switch 6 is NPN open types
Proximity Hall switch, its detecting distance be 1cm.When the probe detection of proximity Hall switch has magnet in away from its 1cm, institute
State proximity Hall switch and send signal to coupled control system 14, the order-driven structure of control system 14 stops
It is mobile；Further, the detection means also includes warning lamp, and the warning lamp connects proximity Hall switch or control panel,
When the probe detection of proximity Hall switch has magnet in away from its 1cm, the warning lamp is bright, next to remind tester to carry out
Testing procedure is tested next time, it is preferred that the warning lamp is LED warning lamps.
The detection means also includes the straight line parallel with the setting test path of catoptric arrangement 2 or optical distance measurement apparatus
Optical axis guide rail 10, the catoptric arrangement 2 being connected with drive device is set on straight optical axis guide rail 10, and the catoptric arrangement 2
Or optical distance measurement apparatus is only moved along the setting test path parallel with straight optical axis guide rail 10.The catoptric arrangement 2 can
To be socket-connected by the collar being adapted with straight optical axis guide rail 10 and straight optical axis guide rail 10, with ensure test path all the time with
Straight optical axis guide rail 10 is parallel.
The light source is LED/light source or LASER Light Source, and the quantity of the light source is not limited, and can be one, two or many
It is individual.It is preferred that, the light source is two or four, and light source described in two or four is symmetrically arranged at the two of receiving module
Side.
The transmitting optical module and/or the reception optical module are lens or lens subassembly.The lens subassembly bag
Include the permutation and combination of multiple lens, or single, multiple lens and function diaphragm combination.The transmitting optical module includes setting
Put and be correspondingly arranged on a diversing lens 1 in the diversing lens 1 in transmitting light path, every transmitting light path.The reception optics
Component includes the reception outer lens 3 set gradually from outer to inner along receiving light path and receives interior lens 4.
At least correspond at each test point position, two are symmetricly set on the LED for receiving optical module both sides in circuit board
Light beam is sent under 20 drivings, as shown in figure 1, the light beam is by directive catoptric arrangement 2 after corresponding diversing lens 1, it is reflected
Structure 2 sequentially passes through reception outer lens 3 and receives interior lens 4 after reflecting enters receiving module.
It is preferred that, the driver 15 is two-phase stepping motor driver, model：Vicsr2, the stepper motor 13
Model STP-42D2138-02, the screw mandrel 9 is ball screw.The line of the control system 14 connection two-phase stepping motor driving
Device is powered, and the line of straight optical axis guide rail 10 connects the control end of driver 15, another port of straight optical axis guide rail 10
Connect optical distance measurement apparatus.Four ports of two-phase stepping motor driver are connected with stepper motor 13, and stepper motor 13 passes through
Shaft coupling 12 drives ball screw, and when the driving ball screw motion of stepper motor 13, ball-screw drives catoptric arrangement 2 to exist
Moved in horizontal direction, the optical distance measurement apparatus can be tested always, it is right to extract each test point position by control system 14
The actual distance and measuring distance or test light intensity answered；Or can also be by control system 14 in each test point bit instruction light
Range unit ranging is learned, instruction optical distance measurement apparatus stops ranging between test point position.
When it is implemented, the control system 14 can also drive the optical distance measurement apparatus to pass through one by one by drive device
Test point position is crossed, overall technical architecture and above-mentioned technology contents are mutually similar, repeat no more.
Embodiment 2
As different from Example 1, as shown in figure 3, the detection means also includes setting on outer casing base 7, the outer casing base 7
It is equipped with for installing light source, transmitting optical module, the mounting groove for receiving optical module, circuit board 20 and receiving module, it is described outer
The top of shell base 7 is additionally provided with for localizing emission optical module and received lid 18, Yi Jiyong on the positioning lens of optical module
In lid 19 on the locating circuit board of locating circuit board 20.The structure setting of the outer casing base 7 with mounting groove realizes inspection
Survey the integrated of device so that change testing element more quick and convenient.
For the ease of the relative altitude of adjustment optical distance measurement apparatus and catoptric arrangement 2, the detection means also includes can edge
The lifting platform 17 that vertical direction is moved up and down and positioned in setting height, the optical distance measurement apparatus or catoptric arrangement 2 are set
On the lifting platform 17.
In order to further reduce the interference of external environment condition, the detection means is also included the catoptric arrangement 2 and optics
The side for changing testing element to be measured is offered on the housing 16 that range unit is encapsulated, the housing 16 to open the door.It is described
The setting of housing 16, when reducing experiment outside touch and disturb.
It is preferred that, the housing 16 is made of clear material.The intuitively structure of observation detection means and survey can be understood
Examination process.
Embodiment 3
From unlike embodiment 1-2, the detection means also includes actual distance caliberating device, actual distance demarcation dress
Put the error for calibrating the actual distance that the drive device is marked.The actual distance caliberating device can be ruler,
The range units such as photoelectricity door.
Or, the actual distance caliberating device measures the catoptric arrangement 2 and the optical distance measurement apparatus in real time
Spacing simultaneously at least transmits the true ranging information of each test point position to control system 14, and optics is controlled by control system 14
Range unit at least carries out its measurement with the spacing of catoptric arrangement 2 in test point position.
It is preferred that, the actual distance caliberating device is photoelectricity door, the photoelectricity door connection control system 14.Certainly, institute
Actual distance caliberating device is stated including but not limited to ruler and photoelectricity door, any survey tool of fields of measurement is extended to.
Embodiment 4
Present invention also offers a kind of detection method, testing element to be measured correspondence is arranged on optical distance measurement apparatus, by driving
Dynamic structure driving catoptric arrangement 2 or optical distance measurement apparatus are continuously moved and pass through the test point position of setting one by one, and the optics is surveyed
Away from device is in each test Point Measurement and exports measurement distance An, the optical distance measurement apparatus and reflection of each test point position are tied
The measurement distance A of structure 2nWith actual distance anCompare, judge whether testing element to be measured is qualified.To the optics of each test point position
The measurement distance A of range unit and catoptric arrangement 2nWith actual distance anComparison has a variety of comparison methods, can be function method, than
Value method, differential technique etc..
It is preferred that, using measurement distance A of the ratio method to the optical distance measurement apparatus and catoptric arrangement 2 of each test point positionn
With actual distance anIt is compared：The measurement distance A of the optical distance measurement apparatus and catoptric arrangement 2 of each test point positionnTruly away from
From anRatio PnNumber range exist（k1, k2）Between when, testing element to be measured is qualified.Wherein, the n is more than or equal to 1
Natural number, the k1And k2For constant, and k2More than k1。
It is preferred that, in order to exclude the influence of accidentalia as far as possible, using AQL sample modes, improve the section of detection
The property learned and reasonability, the PnMiddle n value is M, then from P1To PMN-1 is up in this M numerical value to exist（k1, k2）Outside,
Then PnCorresponding testing element to be measured is qualified；
M is the natural number more than 1, and N is the natural number more than or equal to 1, and M is more than N-1.Work as P1To PMIn this M numerical value at least
Have N number of in setting（k1, k2）Outside, then meet the P of aforementioned conditionnCorresponding element under test is unqualified.It is underproof to treat
Surveying element needs to return to suppliers progress modification accordingly or exchanges.
When it is implemented, with the PnMiddle n value is then P exemplified by 801To P80In this 80 numerical value be up to 5
Setting（k1, k2）Outside, the testing element to be measured for meeting aforementioned condition is qualified；Then P1To P80At least 6 in this 80 numerical value
It is individual in setting（k1, k2）Outside, the testing element to be measured for meeting aforementioned condition is unqualified.
Embodiment 5
As different from Example 4, the optical distance measurement apparatus has sensitive chip, and the optical distance measurement apparatus is in each test
Point Measurement simultaneously exports measurement light intensity In, to the measurement light intensity I of the optical distance measurement apparatus and catoptric arrangement 2 of each test point positionnWith
Actual distance anCompare, judge whether testing element to be measured is qualified.The optical distance measurement apparatus and reflection of each test point position are tied
The measurement light intensity I of structure 2nWith actual distance anComparison has multiple alignment procedure, can be function method, ratio method, differential technique etc..
It is preferred that, using measurement light intensity I of the ratio method to the optical distance measurement apparatus and catoptric arrangement 2 of each test point positionn
With actual distance anIt is compared：
The measurement light intensity I of the optical distance measurement apparatus and catoptric arrangement 2 of each test point positionnWith actual distance anThe ratio Q sentencedn's
Number range exists（k3, k4）Between when, testing element to be measured is qualified.Wherein, the n is the natural number more than or equal to 1, the k3
And k4For constant, k4More than k3。
It is preferred that, in order to exclude the influence of accidentalia as far as possible, using AQL sample modes, improve the section of detection
The property learned and reasonability, the QnMiddle n value is M, then from Q1To QMN-1 are up in this M numerical value in setting（k3, k4）
Outside, then QnCorresponding testing element to be measured is qualified；M is natural number more than 1, and N is the natural number more than or equal to 1, and M
More than N-1.
When it is implemented, the QnMiddle n value is 80, then Q1To Q805 are up in this 80 numerical value in setting
（k3, k4）Outside, the testing element to be measured for meeting aforementioned condition is qualified.
The present invention is using control variate method, comparison method, and established standardses value and error, test object to be measured according to actual needs
Effect in actual environment, the probe that lens are acted in itself is measured in the environment of relative movement, present invention wound
Make and design such a complete system, including mechanical structure portion and electronic program part.At present, lens are detected
Technology is the detection for lens itself, and sensitivity of the invention is very high, can detect that exception of the lens in whole process
Problem, including the anti-loaded of lens, spot, cut.The present invention can be with the product of independent work as one, and detection means can be with
Other functions are expanded out in exploitation, such as to whole optical distance measurement apparatus or the detection to optical circuit board.
It is above-described be only the present invention preferred embodiment.It should be pointed out that for the common skill of this area
For art personnel, without departing from the principles of the present invention, some improvement and modification can also be made, this is also considered as the present invention
Protection domain.
Claims (10)
1. a kind of detection means, it is characterised in that including catoptric arrangement and optical distance measurement apparatus, the optical distance measurement apparatus is laid
There is at least one detachable testing element to be measured, the spacing of the catoptric arrangement and optical distance measurement apparatus is adjustable, and the optics is surveyed
Away from device is in its spacing with catoptric arrangement of the test Point Measurement of each setting and exports measurement distance or measurement light intensity, pass through
Optical distance measurement apparatus and the actual distance of catoptric arrangement and the comparison of measurement distance or actual distance in each test point position
With measurement light intensity comparison, to determine whether the testing element to be measured on optical distance measurement apparatus qualified.
2. detection means according to claim 1, it is characterised in that the optical distance measurement apparatus include light source, circuit board,
Transmitting optical module, reception optical module and receiving module for convergence reflex light beam for assembling transmitting light beam, it is described
Circuit board driving light source sends light beam, and the light beam incides catoptric arrangement, and the receiving module is received after catoptric arrangement reflection
Light beam, the light source, circuit board, transmitting optical module, receive at least one or several in optical module and receiving module
Detachably it is arranged in optical distance measurement apparatus.
3. detection means according to claim 1, it is characterised in that also including drive device and control system, the control
System processed drives the optical distance measurement apparatus or catoptric arrangement one by one by test point position by drive device.
4. detection means according to claim 3, it is characterised in that the test point position is filled by control system according to driving
The operational factor put is calculated and determined；
Or, test point position, which is measured by actual distance caliberating device and transmitted corresponding signal to control after demarcating, is
System.
5. detection means according to claim 3, it is characterised in that the drive device includes driver and stepping electricity
Machine, the stepper motor is connected by gear ＆ rack structure or feed screw nut's structure with catoptric arrangement or optical distance measurement apparatus；
Or, the drive device includes driver and linear electric motors, and the output shaft of the linear electric motors is directly connected to reflection knot
Structure or optical distance measurement apparatus.
6. detection means according to claim 5, it is characterised in that feed screw nut's structure is described anti-including being arranged on
The nut seat penetrated below structure or optical distance measurement apparatus, and it is screwed onto the silk being adapted in the nut seat and with nut seat
Bar, the fixing end of the screw mandrel is connected with the power transmission shaft of stepper motor, and the other end of the screw mandrel is located on support base.
7. detection means according to claim 6, it is characterised in that the fixing end and support base of the screw mandrel are corresponded to respectively
Limit switches are set, and the limit switch is less than or equal to setting safe distance value at it with the measured distance of corresponding screw mandrel end
When, signal is sent to control system, the control system order-driven device after signal is received and stops movement.
8. detection means according to claim 1, it is characterised in that the detection means also includes and catoptric arrangement or light
Learn the parallel straight optical axis guide rail of the setting test path of range unit, the catoptric arrangement or optics being connected with drive device
Range unit is set on straight optical axis guide rail, and the catoptric arrangement or optical distance measurement apparatus only edge and straight optical axis guide rail
Parallel setting test path movement.
9. the detection means according to claim any one of 1-8, it is characterised in that the detection means also includes shell bottom
It is provided with seat, the outer casing base for installing light source, transmitting optical module, receiving optical module, circuit board and receiving mould
It is additionally provided with above the mounting groove of block, the outer casing base saturating for the positioning of localizing emission optical module and reception optical module
Cover, and covered on the locating circuit board of locating circuit board on mirror.
10. the detection means according to claim any one of 1-8, it is characterised in that also including moving down on vertically
Lifting platform that is dynamic and being positioned in setting height, the optical distance measurement apparatus or catoptric arrangement are arranged on the lifting platform.
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