CN105510230A - System and method for automatically collimating measuring light path of transmission instrument based on scanning mode - Google Patents
System and method for automatically collimating measuring light path of transmission instrument based on scanning mode Download PDFInfo
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- CN105510230A CN105510230A CN201610029821.7A CN201610029821A CN105510230A CN 105510230 A CN105510230 A CN 105510230A CN 201610029821 A CN201610029821 A CN 201610029821A CN 105510230 A CN105510230 A CN 105510230A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The invention relates to a system for automatically collimating a measuring light path of a transmission instrument based on a scanning mode. The system comprises an emitting unit, a light source control unit, a first motor driving unit, a second motor driving unit, a first position information acquisition unit, a second position information acquisition unit, a first central processing unit, a receiving unit, a light intensity information acquisition unit, a third motor driving unit, a fourth motor driving unit, a third position information acquisition unit, a fourth position information acquisition unit, a second central processing unit and a main control unit, wherein the emitting unit comprises an LED light source and an emitting optical module and is used for supplying a detection light beam for visibility measurement and measuring light path; the light source control unit is used for driving the LED light source in the emitting unit and ensuring the illuminating stability of the light source; the first motor driving unit is used for driving the emitting unit to adjust the position along the horizontal direction; the second motor driving unit is used for driving the emitting unit to adjust the position along the vertical direction.
Description
Technical field
The present invention relates to a kind of transilluminator optical alignment method, especially based on transilluminator optical path automatic-aligning system and the method for scan mode.
Background technology
Visibility is one of important elements of meteorological observation, for understanding air stability, judges property of air mass.Can visibility be seen according to the brightness contrast between object or object, and by a visibility apart from upper conceptual description air, its accurate measurements has important directive significance for meteorology, traffic, civil aviaton and agricultural production.The visiometer generally used in the world at present has transmission-type visibility meter, diffuse transmission type visiometer and laser radar visibility meter.Transmission-type visibility meter, also known as transmissometer or transmissometer, is divided into double-end type and monofocal, obtains visibility value by measuring atmospheric transmittance.Double-end type transilluminator operationally, irradiates tested sample with optical transmitting set, and the optical radiation after decay measured by receiver, calculates visibility value by atmospheric samples transmitance.The advantage of transmission-type visibility meter is to make any hypothesis with atmospheric sounding transmitance or extinction coefficient to air, and its sampling volume is large, and measuring accuracy is high.Because transilluminator measuring accuracy is high, be widely used in airfield runway visibility measurement, but China does not also have the transilluminator of complete independent intellectual property right and relevant calibration facility at present, use be the product of Visala company of Finland mostly.Although transilluminator precision is high, also have its limitation, when atmospheric visibility is larger, the pollution of its result of detection to the calibrated error of light source, the detecting error of transmitted light and camera lens is very responsive, and needs longer baseline, and floor area is large.Therefore, when double-end type transilluminator is installed, artificial preliminary aligning all to be carried out, mainly through compensating the visibility measurement error because optical path collimation deviation causes in visibility measurement process.Before instrument carries out visibility measurement, by constantly find make receiving end energy maximum position as the collimation position of optical path.This process is comparatively complicated, and the time is longer.But do not having in supporting calibration facility situation, again manual-alignment is carried out after can only relying on certain interval of time, consequently cause when non-manual-alignment next time, the light path caused due to external environment change and instrument vibration etc. is received and dispatched inconsistent and then causes detection accuracy to decline.
Summary of the invention
For above-mentioned technical matters, the object of the invention is, improve transilluminator optical path alignment method, a kind of alignment procedure robotization is provided, alignment precision is high, the collimation time is short, be easy to the transilluminator optical path colimated light system applied in transilluminator measuring system and method.
For solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of transilluminator optical path automatic-aligning system based on scan mode, it is characterized in that, comprise transmitter unit, light source control unit, motor drives a unit, motor drives Unit two, positional information gathers a unit, positional information gathers Unit two, central processing unit one unit, receiving element, intensity signal collecting unit, motor drives Unit three, motor drives Unit four, positional information gathers Unit three, positional information gathers Unit four, central processing unit two unit and control central processing unit one, the main control unit of Unit two, described transmitter unit comprises LED light source and transmitting optics module, for transilluminator carry out visibility measurement and optical path collimation detecting light beam is provided, described light source control unit is used for driving the LED light source in transmitter unit, ensures light source luminescent stability, described motor drives a unit to be used for driving transmitter unit to carry out the position adjustment of horizontal direction, described motor drives Unit two to be used for driving transmitter unit to carry out the position adjustment of vertical direction, described positional information gathers a unit and is used for gathering positional information when transmitter unit carries out horizontal position adjustment, described positional information gather Unit two be used for gather transmitter unit carry out upright position adjustment time positional information, described receiving element comprises photoelectric sensor module and receives optical module, is used for the segment beam that can be received unit reception in detecting light beam after certain base length propagation in atmosphere to carry out opto-electronic conversion, described intensity signal collecting unit is used for gathering the intensity signal that receives of receiving element, described motor drives Unit three to be used for driving receiving element to carry out the position adjustment of horizontal direction, described motor drives Unit four to be used for driving receiving element to carry out the position adjustment of vertical direction, described positional information gathers Unit three and is used for gathering the positional information in receiving element horizontal position adjustment process, described positional information gathers Unit four and is used for gathering positional information in receiving element vertical direction position adjustment, described central processing unit one unit is used for stored transmit unit location information, central processing unit one unit simultaneously to central processing unit two unit send gather intensity signal order, central processing unit two unit storage of collected to intensity signal and transmit, central processing unit one unit obtains the collimation position of transmitter unit again according to the intensity signal collected and positional information calculation, described central processing unit two unit is used for storing receiving element positional information and intensity signal, and calculates the collimation position of receiving element according to positional information and intensity signal, described main control unit is used for sending optical path alignment procedure order and controls central processing unit one, two unit and control motor to drive Unit one, two, three, four, , control system work,
Further, based on the autocollimating method of transilluminator optical path of scan mode, transmitter unit and receiving element is utilized to scan in two mutually perpendicular directions the collimation position that the positional information that obtains and intensity signal calculate transmitter unit and receiving element respectively, then make transmitter unit and receiving element navigate to collimation position respectively, thus realize the collimation of optical path; It is characterized in that, respectively transmitter unit is aimed at receiving element in order: when collimating, carry out the scanning of vertical direction and horizontal direction, collimation position calculating and location at every turn respectively; Described scanning is that the position making transmitter unit or receiving element carry out certain angle scope in either the vertical or horizontal direction by drive motor rotates, the intensity signal simultaneously in record position information and scanning process; It is obtain transmitter unit or receiving element collimation position in one direction according to the relation of the positional information gathered in scanning process and intensity signal that described collimation position calculates; Described location makes transmitter unit or receiving element be rotated the party's collimation position upwards in one direction by drive motor; Refer generally to the positional information that receiving element intensity signal is the strongest.
Concrete steps are as follows:
Step 001. main control unit starts transilluminator optical path auto-alignment program;
Step 002. main control unit sends instruction, makes central processing unit one unit and central processing unit two unit complete the initialization of alignment procedure;
Step 003. light source control unit drives the LED light source in transmitter unit to send detecting light beam to receiving element;
Step 004. intensity signal collecting unit gathers receiving light power information, receiving light power information is stored into central processing unit two unit, and is judged reception intensity signal by central processing unit two unit;
If the receiving light power that step 005. step 004 collects is 0, then send the prompting re-starting artificial coarse adjustment to main control unit;
If the receiving light power that step 006. step 004 collects is not 0, then receiving element carries out auto-alignment, specifically comprises step below:
Step 0061. receiving element carries out horizontal direction scanning, specifically comprises step below:
Step 00611. motor drives three unit drives motor antiports, positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00612. is 0 degree with the initial running position of motor, if the positional information that step 00611 collects not is-0.2 degree, gets back to step 00611;
If the positional information value that step 00613. step 00611 collects is-0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 00614. motor drives three unit drives motors to rotate forward, positional information gathers Unit three and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00615. step 00614 collects not is 0.2 degree, get back to step 00614;
If the positional information value that step 00616. step 00614 collects is 0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0062. receiving element carries out the calculating of horizontal direction collimation position, and computation process as shown in Figure 3, specifically comprises step below:
Step 00621. is according to the positional information be stored in central processing unit two unit and intensity signal, find the maximal value W of receiving light power by central processing unit two unit, and filter out the positional information of the intensity signal of receiving light power between 0.6W and 0.4W and correspondence with it;
The positional information that step 00622. is screened according to step 00621 and intensity signal, go out two receiving light powers relation straight line L1, L2 with change in location by central processing unit two unit by least square fitting;
The receiving light power value of two fitting a straight lines that step 00623. obtains receiving light power value 0.5W as step 00622, has central processing unit two unit to calculate corresponding position X1, X2;
Two positions X1, X2 that step 00624. obtains according to step 00623 calculate receiving element horizontal direction collimation position by central processing unit two unit, and computing formula is:
Step 0063. receiving element carries out horizontal direction location, specifically comprises step below:
Step 00631. motor drives three unit drives motor reversals, and positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00632. positional information is greater than the collimation position X that step 00624 obtains, get back to step 00631;
If the value of step 00633. positional information is less than or equal to the collimation position X that step 00624 obtains, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 0064. receiving element carries out vertical scan direction, and concrete steps are as follows:
Step 00641. motor drives four unit drives motor antiports, positional information gathers Unit four and starts to gather receiving element horizontal position information, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00642. is 0 degree with the initial running position of motor, if the positional information that step 00641 collects not is-0.2 degree, gets back to step 00641;
If the positional information value that step 00643. step 00641 collects is-0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 00644. motor drives four unit drives motors to rotate forward, positional information gathers Unit four and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00645. step 00644 collects not is 0.2 degree, get back to step 00644;
If the positional information value that step 00646. step 00644 collects is 0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0065. receiving element carries out the calculating of vertical direction collimation position, the vertical direction positional information that central processing unit two unit utilizes step 0064 to collect and intensity signal carry out the calculating of vertical direction collimation position, computation process and step 00621-00624 similar, the result of calculation obtained is receiving element vertical direction collimation position value;
Step 0066. receiving element carries out vertical direction location, specifically comprises step below:
Step 00661. motor drives four unit drives motor reversals, and positional information gathers Unit four and starts to gather receiving element vertical position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00662. positional information is greater than the collimation position value X that step 0065 obtains, get back to step 00661;
If the value of step 00633. positional information is less than or equal to the collimation position value X that step 0065 obtains, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 007. receiving element auto-alignment completes, and transmitter unit carries out auto-alignment, specifically comprises step below:
Step 0071. transmitter unit carries out horizontal direction scanning, specifically comprises step below:
Step 00711. motor drives a unit drives motor antiport, positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit horizontal position information stored;
Step 00712. is 0 degree with the initial running position of motor, if the positional information that step 00711 collects not is-0.2 degree, gets back to step 00711;
If the positional information value that step 00713. step 00711 collects is-0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 00714. motor drives a unit drives motor to rotate forward, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit horizontal position information stored;
If the positional information value that step 00715. step 00714 collects not is 0.2 degree, get back to step 00714;
If the positional information value that step 00716. step 00714 collects is 0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition, and intensity signal collecting unit stops intensity signal collection;
Step 0072. transmitter unit carries out the calculating of horizontal direction collimation position, the transmitter unit horizontal direction positional information that central processing unit one unit utilizes step 0071 to collect and intensity signal carry out transmitter unit horizontal direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit horizontal direction collimation position value;
Step 0073. transmitter unit carries out horizontal direction location, specifically comprises step below:
Step 00731. motor drives a unit drives motor reversal, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00732. positional information is greater than the collimation position value that step 0072 obtains, get back to step 00731;
If the value of step 00733. positional information is less than or equal to the collimation position value that step 0072 obtains, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 0074. transmitter unit carries out vertical scan direction, and concrete steps are as follows:
Step 00741. motor drives two unit drives motor antiports, positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit vertical position information stored;
Step 00742. is 0 degree with the initial running position of motor, if the positional information value that step 00741 collects not is-0.2 degree, gets back to step 00741;
If the positional information value that step 00743. step 00741 collects is-0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 00744. motor drives two unit drives motors to rotate forward, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit vertical position information stored;
If the positional information value that step 00745. step 00744 collects not is 0.2 degree, get back to step 00744;
If the positional information value that step 00746. step 00744 collects is 0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0075. transmitter unit carries out the calculating of vertical direction collimation position, the transmitter unit vertical direction positional information that central processing unit one unit utilizes step 0074 to collect and intensity signal carry out transmitter unit vertical direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit vertical direction collimation position value;
Step 0076. transmitter unit carries out vertical direction location, specifically comprises step below:
Step 00761. motor drives two unit drives motor reversals, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00762. positional information is greater than the collimation position value that step 0075 obtains, get back to step 00761;
If the value of step 00763. positional information is less than or equal to the collimation position value that step 0075 obtains, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 008. main control unit prompting transilluminator optical path has been aimed at;
Described motor drives a unit, motor drives Unit two, motor drives Unit three, motor drives the motor of four unit drives to be the direct current generator with speed reduction unit;
Described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers Unit four and is connected with machine shaft by position transducer, using the machine shaft anglec of rotation recorded as positional information;
It is 0 degree to start punctual position when described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers four unit collection position information, just being with the direction of motion under motor forward operation mode, is negative with the direction of motion under motor antiport pattern;
The receiving light power information that described intensity signal collecting unit gathers and positional information one_to_one corresponding, represent the receiving light power under current location;
Described central processing unit one unit is communicated by telecommunication cable with between central processing unit two unit;
Described central processing unit one unit and central processing unit two unit pass through I
2c bus marco positional information gathers, motor drives and intensity signal collection, and completes data transmission.
Based on a kind of transilluminator optical path automatic-aligning system based on scan mode of the present invention, apply in transilluminator measuring system first, the autocollimation of transilluminator optical path can be realized, and have that system architecture is simple, cost is low, speed is fast, alignment precision is high and the feature such as easy and transilluminator measuring system fusion.This system also can as the calibration facility of transmission-type visibility meter light path aligning simultaneously.
Beneficial effect of the present invention, the present invention proposes a kind of transilluminator optical path automatic-aligning system based on scan mode and method, compared with current transilluminator optical path collimation technique, has following Advantageous Effects:
(1) a kind of transilluminator optical path automatic-aligning system based on scan mode of the present invention's design, structure is simple, easily realize, automaticity is high, be easy to merge with transilluminator measuring system.
(2) a kind of transilluminator optical path autocollimation method based on scan mode of the present invention's design, feature especially for transilluminator optical path collimation designs, collimation position computing method are effective, and program is simple and reliable, alignment precision is high, collimation speed is fast.
Accompanying drawing explanation
Fig. 1 is a kind of transilluminator optical path automatic-aligning system structural drawing based on scan mode of the present invention.
Fig. 2 is a kind of transilluminator optical path autocollimation method flow diagram based on scan mode of the present invention.
Fig. 3 is a kind of transilluminator optical path autocollimation method collimation position computing method schematic diagram based on scan mode of the present invention.
Embodiment
Below in conjunction with Figure of description, the specific embodiment of the present invention is described in further detail.
As shown in Figure 1, the present invention devises a kind of transilluminator optical path automatic-aligning system based on scan mode and method, and system comprises: transmitter unit, light source control unit, motor drive a unit, motor drives Unit two, positional information gathers a unit, positional information gathers Unit two, central processing unit one unit, receiving element, intensity signal collecting unit, motor drive Unit three, motor drives Unit four, positional information gathers Unit three, positional information gathers Unit four, central processing unit two unit and main control unit.Described transmitter unit comprises LED light source and transmitting optics module, for transilluminator carry out visibility measurement and optical path collimation detecting light beam is provided; Described light source control unit is used for driving the LED light source in transmitter unit, ensures light source luminescent stability; Motor drives a unit, motor drives Unit two to carry out the control of horizontal and vertical turntable driving to transmitter unit respectively; Motor drives Unit three, motor drives Unit four to carry out the control of horizontal and vertical turntable driving to intensity signal collecting unit respectively; Described motor drives a unit to be used for driving transmitter unit to carry out the position adjustment of horizontal direction; Described motor drives Unit two to be used for driving transmitter unit to carry out the position adjustment of vertical direction; Described positional information gathers a unit and is used for gathering positional information when transmitter unit carries out horizontal position adjustment; Described positional information gather Unit two be used for gather transmitter unit carry out upright position adjustment time positional information; Described receiving element comprises photoelectric sensor module and receives optical module, is used for the segment beam that can be received unit reception in detecting light beam after certain base length propagation in atmosphere to carry out opto-electronic conversion; Described intensity signal collecting unit is used for gathering the intensity signal that receives of receiving element; Described motor drives Unit three to be used for driving receiving element to carry out the position adjustment of horizontal direction; Described motor drives Unit four to be used for driving receiving element to carry out the position adjustment of vertical direction; Described positional information gathers Unit three and is used for gathering the positional information in receiving element horizontal position adjustment process; Described positional information gathers Unit four and is used for gathering positional information in receiving element vertical direction position adjustment; Described central processing unit one unit is used for stored transmit unit location information, send to central processing unit two unit simultaneously and gather intensity signal order, the intensity signal that storage of collected arrives, then the collimation position obtaining transmitter unit according to the intensity signal collected and positional information calculation; Described central processing unit two unit is used for storing receiving element positional information and intensity signal, and calculates the collimation position of receiving element according to positional information and intensity signal; Described main control unit is used for sending the order of optical path alignment procedure, control system work;
As shown in Figure 2, a kind of transilluminator optical path autocollimation method based on scan mode utilizes transmitter unit and receiving element to scan respectively at two mutually perpendicular directions the collimation position that the positional information that obtains and intensity signal calculate transmitter unit and receiving element, then make transmitter unit and receiving element navigate to collimation position respectively, thus realize the collimation of optical path.It is characterized in that, respectively transmitter unit is aimed at receiving element in order.Carry out the scanning of vertical direction and horizontal direction, collimation position calculating and location when collimating respectively at every turn.Described scanning is that the position making transmitter unit or receiving element carry out certain angle scope respectively in either the vertical or horizontal direction by drive motor rotates, the intensity signal simultaneously in record position information and scanning process.It is obtain transmitter unit or receiving element collimation position in one direction according to the relation of the positional information gathered in scanning process and intensity signal that described collimation position calculates.Described location makes transmitter unit or receiving element be rotated the party's collimation position upwards in one direction by drive motor.
Concrete steps are as follows:
Step 001. main control unit starts transilluminator optical path auto-alignment program;
Step 002. central processing unit one unit and central processing unit two unit complete the initialization of alignment procedure;
Step 003. light source control unit drives the LED light source in transmitter unit to send detecting light beam to receiving element;
Step 004. intensity signal collecting unit gathers receiving light power information, receiving light power information is stored into central processing unit two unit, and is judged reception intensity signal by central processing unit two unit;
If the receiving light power that step 005. step 004 collects is 0, then send the prompting re-starting artificial coarse adjustment to main control unit;
If the receiving light power that step 006. step 004 collects is not 0, then receiving element carries out auto-alignment, specifically comprises step below:
Step 0061. receiving element carries out horizontal direction scanning, specifically comprises step below:
Step 00611. motor drives three unit drives motor antiports, positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00612. is 0 degree with the initial running position of motor, if the positional information that step 00611 collects not is-0.2 degree, gets back to step 00611;
If the positional information value that step 00613. step 00611 collects is-0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 00614. motor drives three unit drives motors to rotate forward, positional information gathers Unit three and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00615. step 00614 collects not is 0.2 degree, get back to step 00614;
If the positional information value that step 00616. step 00614 collects is 0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0062. receiving element carries out the calculating of horizontal direction collimation position, and computation process as shown in Figure 3, specifically comprises step below:
Step 00621. is according to the positional information be stored in central processing unit two unit and intensity signal, find the maximal value W of receiving light power by central processing unit two unit, and filter out the positional information of the intensity signal of receiving light power between 0.6W and 0.4W and correspondence with it;
The positional information that step 00622. is screened according to step 00621 and intensity signal, fit out two receiving light powers relation straight line L1, L2 with change in location by central processing unit two unit by least square method;
The receiving light power value of two fitting a straight lines that step 00623. obtains receiving light power value 0.5W as step 00622, has central processing unit two unit to calculate corresponding position X1, X2;
Two positions X1, X2 that step 00624. obtains according to step 00623 calculate receiving element horizontal direction collimation position by central processing unit two unit, and computing formula is:
Step 0063. receiving element carries out horizontal direction location, specifically comprises step below:
Step 00631. motor drives three unit drives motor reversals, and positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00632. positional information is greater than the collimation position X that step 00624 obtains, get back to step 00631;
If the value of step 00633. positional information is less than or equal to the collimation position X that step 00624 obtains, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 0064. receiving element carries out vertical scan direction, and concrete steps are as follows:
Step 00641. motor drives four unit drives motor antiports, positional information gathers Unit four and starts to gather receiving element horizontal position information, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00642. is 0 degree with the initial running position of motor, if the positional information that step 00641 collects not is-0.2 degree, gets back to step 00641;
If the positional information value that step 00643. step 00641 collects is-0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 00644. motor drives four unit drives motors to rotate forward, positional information gathers Unit four and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00645. step 00644 collects not is 0.2 degree, get back to step 00644;
If the positional information value that step 00646. step 00644 collects is 0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0065. receiving element carries out the calculating of vertical direction collimation position, the vertical direction positional information that central processing unit two unit utilizes step 0064 to collect and intensity signal carry out the calculating of vertical direction collimation position, computation process and step 00621-00624 similar, the result of calculation obtained is receiving element vertical direction collimation position value;
Step 0066. receiving element carries out vertical direction location, specifically comprises step below:
Step 00661. motor drives four unit drives motor reversals, and positional information gathers Unit four and starts to gather receiving element vertical position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00662. positional information is greater than the collimation position value X that step 0065 obtains, get back to step 00661;
If the value of step 00633. positional information is less than or equal to the collimation position value X that step 0065 obtains, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 007. receiving element auto-alignment completes, and transmitter unit carries out auto-alignment, specifically comprises step below:
Step 0071. transmitter unit carries out horizontal direction scanning, specifically comprises step below:
Step 00711. motor drives a unit drives motor antiport, positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit horizontal position information stored;
Step 00712. is 0 degree with the initial running position of motor, if the positional information that step 00711 collects not is-0.2 degree, gets back to step 00711;
If the positional information value that step 00713. step 00711 collects is-0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 00714. motor drives a unit drives motor to rotate forward, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit horizontal position information stored;
If the positional information value that step 00715. step 00714 collects not is 0.2 degree, get back to step 00714;
If the positional information value that step 00716. step 00714 collects is 0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition, and intensity signal collecting unit stops intensity signal collection;
Step 0072. transmitter unit carries out the calculating of horizontal direction collimation position, the transmitter unit horizontal direction positional information that central processing unit one unit utilizes step 0071 to collect and intensity signal carry out transmitter unit horizontal direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit horizontal direction collimation position value;
Step 0073. transmitter unit carries out horizontal direction location, specifically comprises step below:
Step 00731. motor drives a unit drives motor reversal, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00732. positional information is greater than the collimation position value that step 0072 obtains, get back to step 00731;
If the value of step 00733. positional information is less than or equal to the collimation position value that step 0072 obtains, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 0074. transmitter unit carries out vertical scan direction, and concrete steps are as follows:
Step 00741. motor drives two unit drives motor antiports, positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit vertical position information stored;
Step 00742. is 0 degree with the initial running position of motor, if the positional information value that step 00741 collects not is-0.2 degree, gets back to step 00741;
If the positional information value that step 00743. step 00741 collects is-0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 00744. motor drives two unit drives motors to rotate forward, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit vertical position information stored;
If the positional information value that step 00745. step 00744 collects not is 0.2 degree, get back to step 00744;
If the positional information value that step 00746. step 00744 collects is 0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0075. transmitter unit carries out the calculating of vertical direction collimation position, the transmitter unit vertical direction positional information that central processing unit one unit utilizes step 0074 to collect and intensity signal carry out transmitter unit vertical direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit vertical direction collimation position value;
Step 0076. transmitter unit carries out vertical direction location, specifically comprises step below:
Step 00761. motor drives two unit drives motor reversals, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00762. positional information is greater than the collimation position value that step 0075 obtains, get back to step 00761;
If the value of step 00763. positional information is less than or equal to the collimation position value that step 0075 obtains, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 008. main control unit prompting transilluminator optical path has been aimed at;
Further, a kind of transilluminator optical path automatic-aligning system based on scan mode of the present invention's design and method, described motor drives a unit, motor drives Unit two, motor drives Unit three, motor drives the motor of four unit drives to be the direct current generator with speed reduction unit;
As a kind of optimal technical scheme, described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers Unit four and is connected with machine shaft by position transducer, using the machine shaft anglec of rotation recorded as positional information;
As a kind of optimal technical scheme, it is 0 degree to start punctual position when described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers four unit collection position information, just being with the direction of motion under motor forward operation mode, is negative with the direction of motion under motor antiport pattern;
As a kind of optimal technical scheme, the receiving light power information that described intensity signal collecting unit gathers and positional information one_to_one corresponding, represent the receiving light power under current location;
As a kind of optimal technical scheme, described central processing unit one unit is communicated by telecommunication cable with between central processing unit two unit;
As a kind of optimal technical scheme, described central processing unit one unit and central processing unit two unit pass through I
2the collection of C bus marco positional information, electric drive and intensity signal collection, and complete data transmission;
A kind of transilluminator optical path automatic-aligning system based on scan mode of the present invention's design and method, improve transilluminator optical path collimation technique, can realize the autocollimation of transilluminator optical path.There is larger optical path collimation scope, the auto-alignment when relatively large deviation appears in transilluminator optical path can be realized.While improving transilluminator measurement performance, reduce the complicacy of transilluminator I&M.Relative to current transilluminator optical path collimation technique, designed system of the present invention and method have that structure is simple, collimation efficiency is high, speed is fast, reliability is high, are easy to realize, the advantage that applicability is strong.This system also can as the calibration facility of transmission-type visibility meter light path aligning simultaneously.
To sum up, by setting up and implementing the transilluminator optical path automatic-aligning system based on scan mode of the present invention and method, the collimation of transilluminator optical path high precision, high speed, robotization can be realized, to breaking through the gordian technique of transilluminator development, realizing the production domesticization of transilluminator market product, have great importance.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.
Claims (10)
1. the transilluminator optical path automatic-aligning system based on scan mode, it is characterized in that, comprise transmitter unit, light source control unit, motor drives a unit, motor drives Unit two, positional information gathers a unit, positional information gathers Unit two, central processing unit one unit, receiving element, intensity signal collecting unit, motor drive Unit three, motor drives Unit four, positional information gathers Unit three, positional information gathers Unit four, central processing unit two unit and control the main control unit of central processing unit one, two unit; Described transmitter unit comprises LED light source and transmitting optics module, for transilluminator carry out visibility measurement and optical path collimation detecting light beam is provided; Described light source control unit is used for driving the LED light source in transmitter unit, ensures light source luminescent stability; Described motor drives a unit to be used for driving transmitter unit to carry out the position adjustment of horizontal direction; Described motor drives Unit two to be used for driving transmitter unit to carry out the position adjustment of vertical direction; Described positional information gathers a unit and is used for gathering positional information when transmitter unit carries out horizontal position adjustment; Described positional information gather Unit two be used for gather transmitter unit carry out upright position adjustment time positional information; Described receiving element comprises photoelectric sensor module and receives optical module, is used for the segment beam that can be received unit reception in detecting light beam after certain base length propagation in atmosphere to carry out opto-electronic conversion; Described intensity signal collecting unit is used for gathering the intensity signal that receives of receiving element; Described motor drives Unit three to be used for driving receiving element to carry out the position adjustment of horizontal direction; Described motor drives Unit four to be used for driving receiving element to carry out the position adjustment of vertical direction; Described positional information gathers Unit three and is used for gathering the positional information in receiving element horizontal position adjustment process; Described positional information gathers Unit four and is used for gathering positional information in receiving element vertical direction position adjustment; Described central processing unit one unit is used for stored transmit unit location information, central processing unit one unit simultaneously to central processing unit two unit send gather intensity signal order, central processing unit two unit storage of collected to intensity signal and transmit, central processing unit one unit obtains the collimation position of transmitter unit again according to the intensity signal collected and positional information calculation; Described central processing unit two unit is used for storing receiving element positional information and intensity signal, and calculates the collimation position of receiving element according to positional information and intensity signal; Described main control unit is used for sending optical path alignment procedure order and controls central processing unit one, two unit and control motor to drive Unit one, two, three, four; , control system work.
2. based on the autocollimating method of transilluminator optical path of scan mode, transmitter unit and receiving element is utilized to scan in two mutually perpendicular directions the collimation position that the positional information that obtains and intensity signal calculate transmitter unit and receiving element respectively, then make transmitter unit and receiving element navigate to collimation position respectively, thus realize the collimation of optical path; It is characterized in that, respectively transmitter unit is aimed at receiving element in order: when collimating, carry out the scanning of vertical direction and horizontal direction, collimation position calculating and location at every turn respectively; Described scanning is that the position making transmitter unit or receiving element carry out certain angle scope in either the vertical or horizontal direction by drive motor rotates, the intensity signal simultaneously in record position information and scanning process; It is obtain transmitter unit or receiving element collimation position in one direction according to the relation of the positional information gathered in scanning process and intensity signal that described collimation position calculates; Described location makes transmitter unit or receiving element be rotated the party's collimation position upwards in one direction by drive motor; Finger receives the strongest positional information of unit intensity signal.
3. the autocollimating method of transilluminator optical path based on scan mode according to claim 2, is characterized in that step is as follows:
Step 001. main control unit starts transilluminator optical path auto-alignment program;
Step 002. main control unit sends instruction, makes central processing unit one unit and central processing unit two unit complete the initialization of alignment procedure;
Step 003. light source control unit drives the LED light source in transmitter unit to send detecting light beam to receiving element;
Step 004. intensity signal collecting unit gathers receiving light power information, receiving light power information is stored into central processing unit two unit, and is judged reception intensity signal by central processing unit two unit;
If the receiving light power that step 005. step 004 collects is 0, then send the prompting re-starting artificial coarse adjustment to main control unit;
If the receiving light power that step 006. step 004 collects is not 0, then receiving element carries out auto-alignment, specifically comprises step below:
Step 0061. receiving element carries out horizontal direction scanning, specifically comprises step below:
Step 00611. motor drives three unit drives motor antiports, positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00612. is 0 degree with the initial running position of motor, if the positional information that step 00611 collects not is-0.2 degree, gets back to step 00611;
If the positional information value that step 00613. step 00611 collects is-0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 00614. motor drives three unit drives motors to rotate forward, positional information gathers Unit three and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00615. step 00614 collects not is 0.2 degree, get back to step 00614;
If the positional information value that step 00616. step 00614 collects is 0.2 degree, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0062. receiving element carries out the calculating of horizontal direction collimation position, and computation process as shown in Figure 3, specifically comprises step below:
Step 00621. is according to the positional information be stored in central processing unit two unit and intensity signal, find the maximal value W of receiving light power by central processing unit two unit, and filter out the positional information of the intensity signal of receiving light power between 0.6W and 0.4W and correspondence with it;
The positional information that step 00622. is screened according to step 00621 and intensity signal, go out two receiving light powers relation straight line L1, L2 with change in location by central processing unit two unit by least square fitting;
The receiving light power value of two fitting a straight lines that step 00623. obtains receiving light power value 0.5W as step 00622, has central processing unit two unit to calculate corresponding position X1, X2;
Two positions X1, X2 that step 00624. obtains according to step 00623 calculate receiving element horizontal direction collimation position by central processing unit two unit, and computing formula is:
Step 0063. receiving element carries out horizontal direction location, specifically comprises step below:
Step 00631. motor drives three unit drives motor reversals, and positional information gathers Unit three and starts to gather receiving element horizontal position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00632. positional information is greater than the collimation position X that step 00624 obtains, get back to step 00631;
If the value of step 00633. positional information is less than or equal to the collimation position X that step 00624 obtains, motor drives three unit drives motor brakes, and positional information gathers three unit stop position information acquisitions;
Step 0064. receiving element carries out vertical scan direction, and concrete steps are as follows:
Step 00641. motor drives four unit drives motor antiports, positional information gathers Unit four and starts to gather receiving element horizontal position information, and positional information and intensity signal are stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
Step 00642. is 0 degree with the initial running position of motor, if the positional information that step 00641 collects not is-0.2 degree, gets back to step 00641;
If the positional information value that step 00643. step 00641 collects is-0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 00644. motor drives four unit drives motors to rotate forward, positional information gathers Unit four and starts to gather receiving element horizontal position information, intensity signal collecting unit starts to gather receiving light power information simultaneously, and positional information being stored into central processing unit two unit, central processing unit two unit judges the receiving element horizontal position information stored;
If the positional information value that step 00645. step 00644 collects not is 0.2 degree, get back to step 00644;
If the positional information value that step 00646. step 00644 collects is 0.2 degree, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0065. receiving element carries out the calculating of vertical direction collimation position, the vertical direction positional information that central processing unit two unit utilizes step 0064 to collect and intensity signal carry out the calculating of vertical direction collimation position, computation process and step 00621-00624 similar, the result of calculation obtained is receiving element vertical direction collimation position value;
Step 0066. receiving element carries out vertical direction location, specifically comprises step below:
Step 00661. motor drives four unit drives motor reversals, and positional information gathers Unit four and starts to gather receiving element vertical position information, and positional information is stored into central processing unit two unit, and central processing unit two unit location information judges;
If the value of step 00662. positional information is greater than the collimation position value X that step 0065 obtains, get back to step 00661;
If the value of step 00633. positional information is less than or equal to the collimation position value X that step 0065 obtains, motor drives four unit drives motor brakes, and positional information gathers four unit stop position information acquisitions;
Step 007. receiving element auto-alignment completes, and transmitter unit carries out auto-alignment, specifically comprises step below:
Step 0071. transmitter unit carries out horizontal direction scanning, specifically comprises step below:
Step 00711. motor drives a unit drives motor antiport, positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit horizontal position information stored;
Step 00712. is 0 degree with the initial running position of motor, if the positional information that step 00711 collects not is-0.2 degree, gets back to step 00711;
If the positional information value that step 00713. step 00711 collects is-0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 00714. motor drives a unit drives motor to rotate forward, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit horizontal position information stored;
If the positional information value that step 00715. step 00714 collects not is 0.2 degree, get back to step 00714;
If the positional information value that step 00716. step 00714 collects is 0.2 degree, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition, and intensity signal collecting unit stops intensity signal collection;
Step 0072. transmitter unit carries out the calculating of horizontal direction collimation position, the transmitter unit horizontal direction positional information that central processing unit one unit utilizes step 0071 to collect and intensity signal carry out transmitter unit horizontal direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit horizontal direction collimation position value;
Step 0073. transmitter unit carries out horizontal direction location, specifically comprises step below:
Step 00731. motor drives a unit drives motor reversal, and positional information gathers a unit and starts to gather transmitter unit horizontal position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00732. positional information is greater than the collimation position value that step 0072 obtains, get back to step 00731;
If the value of step 00733. positional information is less than or equal to the collimation position value that step 0072 obtains, motor drives a unit drives motor brake, and positional information gathers a unit stop position information acquisition;
Step 0074. transmitter unit carries out vertical scan direction, and concrete steps are as follows:
Step 00741. motor drives two unit drives motor antiports, positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information being stored into central processing unit one unit, central processing unit one unit judges the transmitter unit vertical position information stored;
Step 00742. is 0 degree with the initial running position of motor, if the positional information value that step 00741 collects not is-0.2 degree, gets back to step 00741;
If the positional information value that step 00743. step 00741 collects is-0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 00744. motor drives two unit drives motors to rotate forward, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit; Simultaneously intensity signal collecting unit starts to gather receiving light power information, and intensity signal is sent to central processing unit one unit and stores, and central processing unit one unit judges the transmitter unit vertical position information stored;
If the positional information value that step 00745. step 00744 collects not is 0.2 degree, get back to step 00744;
If the positional information value that step 00746. step 00744 collects is 0.2 degree, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions, and intensity signal collecting unit stops intensity signal collection;
Step 0075. transmitter unit carries out the calculating of vertical direction collimation position, the transmitter unit vertical direction positional information that central processing unit one unit utilizes step 0074 to collect and intensity signal carry out transmitter unit vertical direction collimation position and calculate, computation process and step 00621-00624 similar, the result of calculation obtained is transmitter unit vertical direction collimation position value;
Step 0076. transmitter unit carries out vertical direction location, specifically comprises step below:
Step 00761. motor drives two unit drives motor reversals, and positional information gathers Unit two and starts to gather transmitter unit vertical position information, and positional information is stored into central processing unit one unit, and central processing unit one unit location information judges;
If the value of step 00762. positional information is greater than the collimation position value that step 0075 obtains, get back to step 00761;
If the value of step 00763. positional information is less than or equal to the collimation position value that step 0075 obtains, motor drives two unit drives motor brakes, and positional information gathers two unit stop position information acquisitions;
Step 008. main control unit prompting transilluminator optical path has been aimed at.
4. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, it is characterized in that, the motor that electric-motor drive unit drives is the direct current generator with speed reduction unit.
5. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, it is characterized in that, described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers Unit four and is connected with machine shaft by position transducer, using the machine shaft anglec of rotation recorded as positional information.
6. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, it is characterized in that, it is 0 degree to start punctual position when described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, positional information gathers four unit collection position information, just being with the direction of motion under motor forward operation mode, is negative with the direction of motion under motor antiport pattern.
7. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, it is characterized in that, the receiving light power information that described intensity signal collecting unit gathers and positional information one_to_one corresponding, represent the receiving light power under current location.
8. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, be is characterized in that, communicated between central processing unit one unit with central processing unit two unit by telecommunication cable.
9. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, it is characterized in that, central processor unit passes through I
2c bus marco positional information collecting unit, electric-motor drive unit and intensity signal collecting unit, and complete data transmission.
10. a kind of transilluminator optical path automatic-aligning system based on scanning according to claim 1 and method, is characterized in that, the basis of transilluminator optical path realizes the aligning of transmitter unit and receiving element, without the need to designing collimated light path in addition.
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Application publication date: 20160420 |