CN205483991U - Automatic collimating system of light path is measured to transmission appearance based on scanning mode - Google Patents
Automatic collimating system of light path is measured to transmission appearance based on scanning mode Download PDFInfo
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- CN205483991U CN205483991U CN201620039631.9U CN201620039631U CN205483991U CN 205483991 U CN205483991 U CN 205483991U CN 201620039631 U CN201620039631 U CN 201620039631U CN 205483991 U CN205483991 U CN 205483991U
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Abstract
The utility model provides an automatic collimating system of light path is measured to transmission appearance based on scanning mode, includes that emission unit, light control unit, a motor drive unit, two units of motor drive, a positional information collection unit, two units of positional information collection, a central processing unit unit, receiving element, light intensity information acquisition unit, motor drive three -unit, four units of motor drive, positional information gather the three -unit, positional information gathers four units, two units of central processing unit and main control unit, emission unit include LED light source and transmission optical module, carry out the visibility measurement and measure the light path collimation providing the detection light beam for the transmission appearance, the light control unit be used for driving the LED light source among the emission unit, guarantee luminous stability, a motor drive unit be used for driving the position adjustment that emission unit carries out the horizontal direction, two units of motor drive be used for driving the position adjustment that emission unit carries out the vertical direction.
Description
Technical field
This utility model relates to a kind of transilluminator optical alignment method, and the transilluminator being based especially on scan mode is surveyed
Amount light path automatically collimating System and method for.
Background technology
Visibility is one of important elements of meteorological observation, is used for understanding air stability, it is determined that property of air mass.
Can visibility be seen according to the luminance contrast between object or object, retouches apart from upper concept with one
Stating the visibility of air, its accurate measurements suffers from important for meteorology, traffic, civil aviaton and agricultural production
Directive significance.The visibility meter commonly used in the world at present has transmission-type visibility meter, scatters formula visibility meter
And laser radar visibility meter.Transmission-type visibility meter, also known as transmissometer or transmissometer, is divided into double-end type and single-ended
Formula, obtains visibility value by measuring atmospheric transmittance.Double-end type transilluminator operationally, uses optical transmitting set
Irradiating tested sample, the light radiation after decay measured by receptor, calculates visibility by atmospheric samples transmitance
Value.The advantage of transmission-type visibility meter is air to be made any hypothesis with atmospheric sounding transmitance or delustring
Coefficient, its sampling volume is big, and certainty of measurement is high.Owing to transilluminator certainty of measurement is high, it is widely used to airport
Runway visibility is measured, but the transilluminator that China there is presently no entirely autonomous intellectual property sets with relevant demarcation
Standby, use is the product of Visala company of Finland mostly.Although transilluminator precision is high, but it is also had to limit to
Property, when atmospheric visibility is bigger, its result of detection to the calibrated error of light source, the detecting error of transmission light and
The pollution of camera lens is very sensitive, and needs longer baseline, and floor space is big.Therefore, in double-end type transmission
When instrument is installed, artificial preliminary alignment will be carried out, main by compensate during visibility measurement due to
The visibility measurement error that optical path collimation deviation causes.Before instrument carries out visibility measurement, by not
Disconnected searching makes the position collimation position as optical path of receiving terminal energy maximum.This process is complex,
Time is longer.But in the case of there is no supporting calibration facility, again enter after certain interval of time can only be relied on
Row manual-alignment, its result is to cause when non-manual-alignment next time, owing to external environment change and instrument shake
The light path transmitting-receiving caused such as dynamic is inconsistent and then causes detection accuracy to decline.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is, improves transilluminator optical path alignment method, carries
For a kind of alignment procedure automatization, alignment precision is high, the collimation time is short, being prone in transilluminator measurement system should
Transilluminator optical path colimated light system and method.
For solve above-mentioned technical problem, this utility model by the following technical solutions: a kind of based on scan mode saturating
Penetrate instrument optical path automatic-aligning system, it is characterised in that include transmitter unit, light source control unit, motor
Drive a unit, motor to drive Unit two, positional information to gather a unit, positional information gathers Unit two, in
Central processor one unit, reception unit, intensity signal collecting unit, motor drive Unit three, motor to drive four
Unit, positional information gather Unit three, positional information gathers Unit four, central processing unit two unit and control in
The main control unit of central processor one, two unit；Described transmitter unit includes LED light source and transmitting optics module,
Carry out visibility measurement for transilluminator and optical path collimation provides detection light beam；Described light source control unit is used
Drive the LED light source in transmitter unit, it is ensured that light source luminescent stability；Described motor drives a unit to use
Transmitter unit is driven to carry out the position adjustment of horizontal direction；Described motor drives Unit two for driving transmitting
Unit carries out the position adjustment of vertical direction；Described positional information gathers a unit and enters for gathering transmitter unit
Positional information during row horizontal position adjustment；Described positional information gathers Unit two and enters for gathering transmitter unit
Positional information when row upright position adjusts；Described reception unit includes photoelectric sensor module and receives optics
Module, is used for will to be received the part that unit receives after certain length of base propagation in atmosphere in detection light beam
Light beam carries out opto-electronic conversion；Described intensity signal collecting unit is used for gathering the intensity signal that reception unit receives；
Described motor drives Unit three for driving reception unit to carry out the position adjustment of horizontal direction；Described motor
Drive Unit four for driving reception unit to carry out the position adjustment of vertical direction；Described positional information gathers three
Unit is used for gathering the positional information received in unit horizontal position adjustment；Described positional information gathers four
Unit is used for gathering positional information in reception unit vertical direction position adjustment；Described central processing unit one
Unit is used for storing transmitter unit positional information, and central processing unit one unit is sent out to central processing unit two unit simultaneously
Send and gather intensity signal that intensity signal order, central processing unit two unit storage collect and transmit, centre
Reason device one unit obtains the collimation position of transmitter unit further according to the intensity signal collected and positional information calculation；
Described central processing unit two unit is used for storing reception unit location information and intensity signal, and believes according to position
Breath and intensity signal calculate the collimation position receiving unit；Described main control unit is used for sending optical path collimation
Operational order also controls central processing unit one, two unit and controls motor driving Unit one, two, three, four, control
System processed works；
Described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three, position
Put information gathering four unit to be connected with machine shaft by position sensor, the machine shaft anglec of rotation recorded is made
For positional information；
Described positional information gathers a unit, positional information gathers Unit two, positional information gathers Unit three,
It is 0 degree to start punctual position that positional information gathers when Unit four gather positional information, transports with motor forward
The direction of motion under rotary-die type is just, is negative with the direction of motion under motor antiport pattern；
The reception intensity signal that described intensity signal collecting unit gathers and positional information one_to_one corresponding, represent
Reception light intensity under current location；
Led to by communication cable between described central processing unit one unit and central processing unit two unit
Letter；
Described central processing unit one unit and central processing unit two unit pass through I2The collection of C bus marco positional information,
Motor drives and intensity signal collection, and completes data transmission.
Further, the transilluminator autocollimating method of optical path based on scan mode, utilize transmitter unit and
Receive unit to scan, in two mutually perpendicular directions, the positional information that obtains respectively and be calculated with intensity signal and send out
Penetrate unit and receive the collimation position of unit, then making transmitter unit and reception unit navigate to respectively collimate position
Put, thus realize the collimation of optical path；It is characterized in that, single with reception to transmitter unit the most respectively
Unit is directed at: carry out scanning both vertically and horizontally, collimation position meter when collimating respectively every time
Calculate and location；Described scanning is by driving motor make transmitter unit or receive unit horizontal or vertical side
The position upwards carrying out certain angle scope rotates, simultaneously the intensity signal in record position information and scanning process；
It is that the relation according to the positional information gathered in scanning process with intensity signal obtains that described collimation position calculates
Transmitter unit or reception unit collimation position in one direction；Described location is by driving motor to make
Transmitter unit or reception unit are rotated the collimation position in the direction in one direction；Refer generally to
Receive the positional information that unit intensity signal is the strongest.
Specifically comprise the following steps that
Step 001. main control unit starts the automatic alignment procedure of transilluminator optical path；
Step 002. main control unit sends instruction, makes central processing unit one unit complete with central processing unit two unit
Become the initialization of alignment procedure；
Step 003. light source control unit drives the LED light source in transmitter unit to send detection light to receiving unit
Bundle；
Step 004. intensity signal collecting unit collection receives intensity signal, in being stored by reception intensity signal
Central processor two unit, and judged receiving intensity signal by central processing unit two unit；
If the reception light intensity that step 005. step 004 collects is 0, then sends to main control unit and re-start
The prompting of artificial coarse adjustment；
If the reception light intensity that step 006. step 004 collects is not 0, then receives unit and be automatically directed at,
Specifically include below step:
Step 0061. receives unit and carries out horizontal direction scanning, specifically includes below step:
Step 00611. motor drives Unit three to drive motor antiport, and positional information gathers Unit three to start
Gathering and receive unit horizontal positional information, and positional information stores central processing unit two unit, central authorities process
The reception unit horizontal positional information of storage is judged by device two unit；
Step 00612. is 0 degree with the initial running position of motor, if the position letter that step 00611 collects
Breath is not-0.2 degree, returns to step 00611；
If the positional information value that step 00613. step 00611 collects is-0.2 degree, motor drives Unit three
Driving motor brake, positional information gathers three unit stop position information gatherings；
Step 00614. motor drives Unit three to drive motor to rotate forward, and positional information gathers Unit three to start to gather
Receiving unit horizontal positional information, intensity signal collecting unit starts to gather reception intensity signal simultaneously, and by position
Confidence breath and intensity signal store central processing unit two unit, central processing unit two unit reception list to storage
Unit's horizontal position information judges；
If the positional information value that step 00615. step 00614 collects not is 0.2 degree, return to step 00614；
If the positional information value that step 00616. step 00614 collects is 0.2 degree, motor drives Unit three
Driving motor brake, positional information gathers three unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0062. receives unit and carries out horizontal direction collimation position calculating, calculates process as it is shown on figure 3, have
Body includes below step:
Step 00621. according to the positional information being stored in central processing unit two unit and intensity signal, by
Central processor two unit finds the maximum W receiving light intensity, and filters out reception light intensity between 0.6W and 0.4W
Between intensity signal and corresponding positional information；
Positional information that step 00622. is screened according to step 00621 and intensity signal, by central processing unit two
Unit goes out two relation straight line L1, L2 receiving light intensity with position change by least square fitting；
Step 00623. will receive two fitting a straight lines that light intensity value 0.5W obtains as step 00622
Reception light intensity value, have central processing unit two unit to calculate corresponding position X1, X2；
Two positions X1, X2 that step 00624. obtains according to step 00623 are by central processing unit two unit
Being calculated reception unit horizontal direction collimation position, computing formula is:
Step 0063. receives unit and carries out horizontal direction location, specifically includes below step:
Step 00631. motor drives Unit three to drive motor reversal, and positional information gathers Unit three to start to gather
Receive unit horizontal positional information, and positional information is stored central processing unit two unit, central processing unit two
Positional information is judged by unit；
If the collimation position X that the value of step 00632. positional information obtains more than step 00624, return to step
00631；
If the collimation position X that the value of step 00633. positional information obtains less than or equal to step 00624, electricity
Machine drives Unit three to drive motor brake, and positional information gathers three unit stop position information gatherings；
Step 0064. receives unit and carries out vertical scan direction, specifically comprises the following steps that
Step 00641. motor drives Unit four to drive motor antiport, and positional information gathers Unit four to start
Gather and receive unit horizontal positional information, and positional information and intensity signal are stored central processing unit two unit,
The reception unit horizontal positional information of storage is judged by central processing unit two unit；
Step 00642. is 0 degree with the initial running position of motor, if the position letter that step 00641 collects
Breath is not-0.2 degree, returns to step 00641；
If the positional information value that step 00643. step 00641 collects is-0.2 degree, motor drives Unit four
Driving motor brake, positional information gathers four unit stop position information gatherings；
Step 00644. motor drives Unit four to drive motor to rotate forward, and positional information gathers Unit four to start to gather
Receiving unit horizontal positional information, intensity signal collecting unit starts to gather reception intensity signal simultaneously, and by position
Confidence breath storage is to central processing unit two unit, central processing unit two unit reception unit horizontal position to storage
Information judges；
If the positional information value that step 00645. step 00644 collects not is 0.2 degree, return to step 00644；
If the positional information value that step 00646. step 00644 collects is 0.2 degree, motor drives Unit four
Driving motor brake, positional information gathers four unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0065. receives unit and carries out vertical direction collimation position calculating, and central processing unit two unit utilizes
Vertical direction positional information and intensity signal that step 0064 collects carry out vertical direction collimation position calculating,
Calculating process is similar with step 00621-00624, and the result of calculation obtained is to receive unit vertical direction collimation position
Put value；
Step 0066. receives unit and carries out vertical direction location, specifically includes below step:
Step 00661. motor drives Unit four to drive motor reversal, and positional information gathers Unit four to start to gather
Receive unit vertical position information, and positional information is stored central processing unit two unit, central processing unit two
Positional information is judged by unit；
If collimation position value X that the value of step 00662. positional information obtains more than step 0065, return to step
00661；
If collimation position value X that the value of step 00633. positional information obtains less than or equal to step 0065, electricity
Machine drives Unit four to drive motor brake, and positional information gathers four unit stop position information gatherings；
Step 007. receives unit and has automatically been directed at, and transmitter unit is directed at automatically, specifically includes following
Step:
Step 0071. transmitter unit carries out horizontal direction scanning, specifically includes below step:
Step 00711. motor drives a unit to drive motor antiport, and positional information gathers a unit to start
Gathering transmitter unit horizontal position information, and positional information stores central processing unit one unit, central authorities process
The transmitter unit horizontal position information of storage is judged by device one unit；
Step 00712. is 0 degree with the initial running position of motor, if the position letter that step 00711 collects
Breath is not-0.2 degree, returns to step 00711；
If the positional information value that step 00713. step 00711 collects is-0.2 degree, motor drives a unit
Driving motor brake, positional information gathers a unit stop position information gathering；
Step 00714. motor drives a unit to drive motor to rotate forward, and positional information gathers a unit to start to gather
Transmitter unit horizontal position information, and positional information is stored central processing unit one unit；Intensity signal simultaneously
Collecting unit starts to gather reception intensity signal, and intensity signal transmission is deposited to central processing unit one unit
Storage, the transmitter unit horizontal position information of storage is judged by central processing unit one unit；
If the positional information value that step 00715. step 00714 collects not is 0.2 degree, return to step 00714；
If the positional information value that step 00716. step 00714 collects is 0.2 degree, motor drives a unit
Driving motor brake, positional information gathers a unit stop position information gathering, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0072. transmitter unit carries out horizontal direction collimation position calculating, and central processing unit one unit utilizes
Transmitter unit horizontal direction positional information and intensity signal that step 0071 collects carry out transmitter unit level side
Calculating to collimation position, calculate process similar with step 00621-00624, the result of calculation obtained is to launch list
Unit's horizontal direction collimation position value；
Step 0073. transmitter unit carries out horizontal direction location, specifically includes below step:
Step 00731. motor drives a unit to drive motor reversal, and positional information gathers a unit to start to gather
Transmitter unit horizontal position information, and positional information is stored central processing unit one unit, central processing unit one
Positional information is judged by unit；
If the collimation position value that the value of step 00732. positional information obtains more than step 0072, return to step
00731；
If the collimation position value that the value of step 00733. positional information obtains less than or equal to step 0072, electricity
Machine drives a unit to drive motor brake, and positional information gathers a unit stop position information gathering；
Step 0074. transmitter unit carries out vertical scan direction, specifically comprises the following steps that
Step 00741. motor drives Unit two to drive motor antiport, and positional information gathers Unit two to start
Gathering transmitter unit vertical position information, and positional information stores central processing unit one unit, central authorities process
The transmitter unit vertical position information of storage is judged by device one unit；
Step 00742. is 0 degree with the initial running position of motor, if the position letter that step 00741 collects
Breath value is not-0.2 degree, returns to step 00741；
If the positional information value that step 00743. step 00741 collects is-0.2 degree, motor drives Unit two
Driving motor brake, positional information gathers two unit stop position information gatherings；
Step 00744. motor drives Unit two to drive motor to rotate forward, and positional information gathers Unit two to start to gather
Transmitter unit vertical position information, and positional information is stored central processing unit one unit；Intensity signal simultaneously
Collecting unit starts to gather reception intensity signal, and intensity signal transmission is deposited to central processing unit one unit
Storage, the transmitter unit vertical position information of storage is judged by central processing unit one unit；
If the positional information value that step 00745. step 00744 collects not is 0.2 degree, return to step 00744；
If the positional information value that step 00746. step 00744 collects is 0.2 degree, motor drives Unit two
Driving motor brake, positional information gathers two unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0075. transmitter unit carries out vertical direction collimation position calculating, and central processing unit one unit utilizes
Transmitter unit vertical direction positional information and intensity signal that step 0074 collects carry out transmitter unit Vertical Square
Calculating to collimation position, calculate process similar with step 00621-00624, the result of calculation obtained is to launch list
Unit's vertical direction collimation position value；
Step 0076. transmitter unit carries out vertical direction location, specifically includes below step:
Step 00761. motor drives Unit two to drive motor reversal, and positional information gathers Unit two to start to gather
Transmitter unit vertical position information, and positional information is stored central processing unit one unit, central processing unit one
Positional information is judged by unit；
If the collimation position value that the value of step 00762. positional information obtains more than step 0075, return to step
00761；
If the collimation position value that the value of step 00763. positional information obtains less than or equal to step 0075, electricity
Machine drives Unit two to drive motor brake, and positional information gathers two unit stop position information gatherings；
Step 008. main control unit prompting transilluminator optical path has been directed at；
Described motor drives a unit, motor to drive Unit two, motor to drive Unit three, motor to drive Unit four
The motor driven is the direct current generator with decelerator；
The beneficial effects of the utility model, the utility model proposes a kind of transilluminator based on scan mode and measure light
Road automatic-aligning system and method, compared with current transilluminator optical path collimation technique, have following useful skill
Art effect:
(1) a kind of based on scan mode the transilluminator optical path automatic-aligning system of this utility model design,
Simple in construction, easily realize, automaticity is high, be prone to and transilluminator measures system globe area.
(2) a kind of based on scan mode the transilluminator optical path autocollimation method of this utility model design,
Be particular for transilluminator optical path collimation feature and design, collimation position computational methods are effective,
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 structure based on scan mode of this utility model
Figure.
Fig. 2 is a kind of transilluminator optical path autocollimation method flow based on scan mode of this utility model
Figure.
Fig. 3 is that a kind of transilluminator optical path autocollimation method based on scan mode of this utility model collimates position
Put computational methods schematic diagram.
Detailed description of the invention
Below in conjunction with Figure of description, detailed description of the invention of the present utility model is described in further detail.
As it is shown in figure 1, this utility model to devise a kind of transilluminator optical path based on scan mode the most accurate
Straight System and method for, system includes: transmitter unit, light source control unit, motor drive a unit, motor to drive
Dynamic Unit two, positional information gathers a unit, positional information gathers Unit two, central processing unit one unit, connect
Receipts unit, intensity signal collecting unit, motor drive Unit three, motor to drive Unit four, positional information collection
Unit three, positional information gather Unit four, central processing unit two unit and main control unit.Described transmitter unit
Including LED light source and transmitting optics module, carry out visibility measurement for transilluminator and optical path collimation provides and visits
Light-metering bundle；Described light source control unit is used for driving the LED light source in transmitter unit, it is ensured that light source luminescent is steady
Qualitative；Motor drives a unit, motor to drive Unit two that transmitter unit carries out horizontal and vertical scanning respectively and drives
Dynamic control；Motor drive Unit three, motor drive Unit four respectively intensity signal collecting unit is carried out level and
Vertical scanning drives and controls；Described motor drives a unit for driving transmitter unit to carry out the position of horizontal direction
Put adjustment；Described motor drives Unit two for driving transmitter unit to carry out the position adjustment of vertical direction；Institute
The positional information stated gathers a unit for gathering positional information when transmitter unit carries out horizontal position adjustment；Institute
The positional information stated gathers Unit two and carries out positional information when upright position adjusts for gathering transmitter unit；Institute
The reception unit stated includes photoelectric sensor module and receives optical module, is used for detecting in light beam through certain
Opto-electronic conversion can be carried out by the segment beam receiving unit reception after length of base propagation in atmosphere；Described intensity signal
Collecting unit is used for gathering the intensity signal that reception unit receives；Described motor drives Unit three for driving
Receive unit and carry out the position adjustment of horizontal direction；Described motor drives Unit four for driving reception unit to enter
The position adjustment of row vertical direction；Described positional information gathers Unit three for gathering reception unit horizontal position
Positional information during adjustment；Described positional information gathers Unit four for gathering reception unit vertical direction
Positional information in position adjustment；Described central processing unit one unit is used for storing transmitter unit positional information,
Send to central processing unit two unit simultaneously and gather intensity signal order, the intensity signal that storage collects, then root
The collimation position of transmitter unit is obtained according to the intensity signal collected and positional information calculation；Described central authorities' process
Device two unit is used for storing reception unit location information and intensity signal, and according to positional information and intensity signal meter
Calculate the collimation position receiving unit；Described main control unit is used for sending optical path alignment procedure order, controls
System works；
As in figure 2 it is shown, a kind of transilluminator optical path autocollimation method based on scan mode utilizes launches list
The positional information that unit and reception unit obtain respectively at two mutually perpendicular directions scannings calculates with intensity signal
To transmitter unit and the collimation position of reception unit, transmitter unit is then made to navigate to standard respectively with receiving unit
Straight position, thus realize the collimation of optical path.It is characterized in that, the most respectively to transmitter unit with connect
Receive unit to be directed at.Carry out scanning both vertically and horizontally, collimation position when collimating respectively every time
Put calculating and location.Described scanning is by driving motor make transmitter unit or receive unit respectively vertically
Or the position carrying out certain angle scope in horizontal direction rotates, simultaneously in record position information and scanning process
Intensity signal.It is according to the positional information gathered in scanning process and intensity signal that described collimation position calculates
Relation obtains transmitter unit or receives unit collimation position in one direction.Described location is by driving
Motor makes transmitter unit or receives the collimation position that unit is rotated in the direction in one direction
Put.
Specifically comprise the following steps that
Step 001. main control unit starts the automatic alignment procedure of transilluminator optical path；
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 detection light to receiving unit
Bundle；
Step 004. intensity signal collecting unit collection receives intensity signal, in being stored by reception intensity signal
Central processor two unit, and judged receiving intensity signal by central processing unit two unit；
If the reception light intensity that step 005. step 004 collects is 0, then sends to main control unit and re-start
The prompting of artificial coarse adjustment；
If the reception light intensity that step 006. step 004 collects is not 0, then receives unit and be automatically directed at,
Specifically include below step:
Step 0061. receives unit and carries out horizontal direction scanning, specifically includes below step:
Step 00611. motor drives Unit three to drive motor antiport, and positional information gathers Unit three to start
Gathering and receive unit horizontal positional information, and positional information stores central processing unit two unit, central authorities process
The reception unit horizontal positional information of storage is judged by device two unit；
Step 00612. is 0 degree with the initial running position of motor, if the position letter that step 00611 collects
Breath is not-0.2 degree, returns to step 00611；
If the positional information value that step 00613. step 00611 collects is-0.2 degree, motor drives Unit three
Driving motor brake, positional information gathers three unit stop position information gatherings；
Step 00614. motor drives Unit three to drive motor to rotate forward, and positional information gathers Unit three to start to gather
Receiving unit horizontal positional information, intensity signal collecting unit starts to gather reception intensity signal simultaneously, and by position
Confidence breath and intensity signal store central processing unit two unit, central processing unit two unit reception list to storage
Unit's horizontal position information judges；
If the positional information value that step 00615. step 00614 collects not is 0.2 degree, return to step 00614；
If the positional information value that step 00616. step 00614 collects is 0.2 degree, motor drives Unit three
Driving motor brake, positional information gathers three unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0062. receives unit and carries out horizontal direction collimation position calculating, calculates process as it is shown on figure 3, have
Body includes below step:
Step 00621. according to the positional information being stored in central processing unit two unit and intensity signal, by
Central processor two unit finds the maximum W receiving light intensity, and filters out reception light intensity between 0.6W and 0.4W
Between intensity signal and corresponding positional information；
Positional information that step 00622. is screened according to step 00621 and intensity signal, by central processing unit two
Unit fits out two relation straight line L1, L2 receiving light intensity with position change by method of least square；
Step 00623. will receive two fitting a straight lines that light intensity value 0.5W obtains as step 00622
Reception light intensity value, have central processing unit two unit to calculate corresponding position X1, X2；
Two positions X1, X2 that step 00624. obtains according to step 00623 are by central processing unit two unit
Being calculated reception unit horizontal direction collimation position, computing formula is:
Step 0063. receives unit and carries out horizontal direction location, specifically includes below step:
Step 00631. motor drives Unit three to drive motor reversal, and positional information gathers Unit three to start to gather
Receive unit horizontal positional information, and positional information is stored central processing unit two unit, central processing unit two
Positional information is judged by unit；
If the collimation position X that the value of step 00632. positional information obtains more than step 00624, return to step
00631；
If the collimation position X that the value of step 00633. positional information obtains less than or equal to step 00624, electricity
Machine drives Unit three to drive motor brake, and positional information gathers three unit stop position information gatherings；
Step 0064. receives unit and carries out vertical scan direction, specifically comprises the following steps that
Step 00641. motor drives Unit four to drive motor antiport, and positional information gathers Unit four to start
Gather and receive unit horizontal positional information, and positional information and intensity signal are stored central processing unit two unit,
The reception unit horizontal positional information of storage is judged by central processing unit two unit；
Step 00642. is 0 degree with the initial running position of motor, if the position letter that step 00641 collects
Breath is not-0.2 degree, returns to step 00641；
If the positional information value that step 00643. step 00641 collects is-0.2 degree, motor drives Unit four
Driving motor brake, positional information gathers four unit stop position information gatherings；
Step 00644. motor drives Unit four to drive motor to rotate forward, and positional information gathers Unit four to start to gather
Receiving unit horizontal positional information, intensity signal collecting unit starts to gather reception intensity signal simultaneously, and by position
Confidence breath storage is to central processing unit two unit, central processing unit two unit reception unit horizontal position to storage
Information judges；
If the positional information value that step 00645. step 00644 collects not is 0.2 degree, return to step 00644；
If the positional information value that step 00646. step 00644 collects is 0.2 degree, motor drives Unit four
Driving motor brake, positional information gathers four unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0065. receives unit and carries out vertical direction collimation position calculating, and central processing unit two unit utilizes
Vertical direction positional information and intensity signal that step 0064 collects carry out vertical direction collimation position calculating,
Calculating process is similar with step 00621-00624, and the result of calculation obtained is to receive unit vertical direction collimation position
Put value；
Step 0066. receives unit and carries out vertical direction location, specifically includes below step:
Step 00661. motor drives Unit four to drive motor reversal, and positional information gathers Unit four to start to gather
Receive unit vertical position information, and positional information is stored central processing unit two unit, central processing unit two
Positional information is judged by unit；
If collimation position value X that the value of step 00662. positional information obtains more than step 0065, return to step
00661；
If collimation position value X that the value of step 00633. positional information obtains less than or equal to step 0065, electricity
Machine drives Unit four to drive motor brake, and positional information gathers four unit stop position information gatherings；
Step 007. receives unit and has automatically been directed at, and transmitter unit is directed at automatically, specifically includes following
Step:
Step 0071. transmitter unit carries out horizontal direction scanning, specifically includes below step:
Step 00711. motor drives a unit to drive motor antiport, and positional information gathers a unit to start
Gathering transmitter unit horizontal position information, and positional information stores central processing unit one unit, central authorities process
The transmitter unit horizontal position information of storage is judged by device one unit；
Step 00712. is 0 degree with the initial running position of motor, if the position letter that step 00711 collects
Breath is not-0.2 degree, returns to step 00711；
If the positional information value that step 00713. step 00711 collects is-0.2 degree, motor drives a unit
Driving motor brake, positional information gathers a unit stop position information gathering；
Step 00714. motor drives a unit to drive motor to rotate forward, and positional information gathers a unit to start to gather
Transmitter unit horizontal position information, and positional information is stored central processing unit one unit；Intensity signal simultaneously
Collecting unit starts to gather reception intensity signal, and intensity signal transmission is deposited to central processing unit one unit
Storage, the transmitter unit horizontal position information of storage is judged by central processing unit one unit；
If the positional information value that step 00715. step 00714 collects not is 0.2 degree, return to step 00714；
If the positional information value that step 00716. step 00714 collects is 0.2 degree, motor drives a unit
Driving motor brake, positional information gathers a unit stop position information gathering, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0072. transmitter unit carries out horizontal direction collimation position calculating, and central processing unit one unit utilizes
Transmitter unit horizontal direction positional information and intensity signal that step 0071 collects carry out transmitter unit level side
Calculating to collimation position, calculate process similar with step 00621-00624, the result of calculation obtained is to launch list
Unit's horizontal direction collimation position value；
Step 0073. transmitter unit carries out horizontal direction location, specifically includes below step:
Step 00731. motor drives a unit to drive motor reversal, and positional information gathers a unit to start to gather
Transmitter unit horizontal position information, and positional information is stored central processing unit one unit, central processing unit one
Positional information is judged by unit；
If the collimation position value that the value of step 00732. positional information obtains more than step 0072, return to step
00731；
If the collimation position value that the value of step 00733. positional information obtains less than or equal to step 0072, electricity
Machine drives a unit to drive motor brake, and positional information gathers a unit stop position information gathering；
Step 0074. transmitter unit carries out vertical scan direction, specifically comprises the following steps that
Step 00741. motor drives Unit two to drive motor antiport, and positional information gathers Unit two to start
Gathering transmitter unit vertical position information, and positional information stores central processing unit one unit, central authorities process
The transmitter unit vertical position information of storage is judged by device one unit；
Step 00742. is 0 degree with the initial running position of motor, if the position letter that step 00741 collects
Breath value is not-0.2 degree, returns to step 00741；
If the positional information value that step 00743. step 00741 collects is-0.2 degree, motor drives Unit two
Driving motor brake, positional information gathers two unit stop position information gatherings；
Step 00744. motor drives Unit two to drive motor to rotate forward, and positional information gathers Unit two to start to gather
Transmitter unit vertical position information, and positional information is stored central processing unit one unit；Intensity signal simultaneously
Collecting unit starts to gather reception intensity signal, and intensity signal transmission is deposited to central processing unit one unit
Storage, the transmitter unit vertical position information of storage is judged by central processing unit one unit；
If the positional information value that step 00745. step 00744 collects not is 0.2 degree, return to step 00744；
If the positional information value that step 00746. step 00744 collects is 0.2 degree, motor drives Unit two
Driving motor brake, positional information gathers two unit stop position information gatherings, and intensity signal collecting unit stops
Intensity signal gathers；
Step 0075. transmitter unit carries out vertical direction collimation position calculating, and central processing unit one unit utilizes
Transmitter unit vertical direction positional information and intensity signal that step 0074 collects carry out transmitter unit Vertical Square
Calculating to collimation position, calculate process similar with step 00621-00624, the result of calculation obtained is to launch list
Unit's vertical direction collimation position value；
Step 0076. transmitter unit carries out vertical direction location, specifically includes below step:
Step 00761. motor drives Unit two to drive motor reversal, and positional information gathers Unit two to start to gather
Transmitter unit vertical position information, and positional information is stored central processing unit one unit, central processing unit one
Positional information is judged by unit；
If the collimation position value that the value of step 00762. positional information obtains more than step 0075, return to step
00761；
If the collimation position value that the value of step 00763. positional information obtains less than or equal to step 0075, electricity
Machine drives Unit two to drive motor brake, and positional information gathers two unit stop position information gatherings；
Step 008. main control unit prompting transilluminator optical path has been directed at；
Further, a kind of based on scan mode the transilluminator optical path of this utility model design is the most accurate
Straight System and method for, described motor drives a unit, motor to drive Unit two, motor to drive Unit three, electricity
The motor that machine drives Unit four to drive is the direct current generator with decelerator；
As a kind of optimal technical scheme, described positional information gathers a unit, positional information gathers two lists
Unit, positional information gathers Unit three, positional information gathers Unit four and is connected with machine shaft by position sensor,
Using the machine shaft anglec of rotation recorded as positional information；
As a kind of optimal technical scheme, described positional information gathers a unit, positional information gathers two lists
Unit, positional information gather Unit three, positional information gather four unit gather positional information time to start punctual
Position is 0 degree, with the direction of motion under motor forward operation mode for just, with under motor antiport pattern
The direction of motion is negative；
As a kind of optimal technical scheme, the reception intensity signal of described intensity signal collecting unit collection and position
Confidence breath one_to_one corresponding, represents the reception light intensity under current location；
As a kind of optimal technical scheme, between described central processing unit one unit and central processing unit two unit
Communicated by communication cable；
As a kind of optimal technical scheme, described central processing unit one unit and central processing unit two unit pass through
I2The collection of C bus marco positional information, electric drive and intensity signal collection, and complete data transmission；
A kind of based on scan mode the transilluminator optical path automatic-aligning system of this utility model design and side
Method, improves transilluminator optical path collimation technique, it is possible to achieve the autocollimation of transilluminator optical path.Tool
Bigger optical path is had to collimate scope, it is possible to achieve the most right when relatively large deviation occurs in transilluminator optical path
Accurate.While improving transilluminator measurement performance, reduce the complexity of transilluminator I&M.Relative to mesh
Front transilluminator optical path collimation technique, this utility model designed system and method have simple in construction, standard
Straight efficiency is high, speed is fast, reliability is high, be easily achieved, the advantage that the suitability is strong.This system can also simultaneously
Calibration facility as transmission-type visibility meter light path alignment.
To sum up, by setting up and to implement transilluminator optical path based on scan mode of the present utility model the most accurate
Straight System and method for, it is possible to realize transilluminator optical path high accuracy, at high speed, the collimation of automatization, to prominent
Break the key technology of transilluminator development, realize the production domesticization of transilluminator market product, have great importance.
Above in conjunction with accompanying drawing, embodiment of the present utility model is explained in detail, but this utility model is not
It is limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to do not taking off
Make a variety of changes on the premise of this utility model objective.
Claims (4)
1. a transilluminator optical path automatic-aligning system based on scan mode, it is characterized in that, including transmitter unit, light source control unit, motor drives a unit, motor to drive Unit two, positional information to gather a unit, positional information gathers Unit two, central processing unit one unit, receive unit, intensity signal collecting unit, motor drives Unit three, motor to drive Unit four, positional information to gather Unit three, positional information gathers Unit four, central processing unit two unit and control central processing unit one, two unit main control unit；Described transmitter unit includes LED light source and transmitting optics module, carries out visibility measurement for transilluminator and optical path collimation provides detection light beam；Described light source control unit is used for driving the LED light source in transmitter unit, it is ensured that light source luminescent stability；Described motor drives a unit for driving transmitter unit to carry out the position adjustment of horizontal direction；Described motor drives Unit two for driving transmitter unit to carry out the position adjustment of vertical direction；Described positional information gathers a unit for gathering positional information when transmitter unit carries out horizontal position adjustment；Described positional information gathers Unit two and carries out positional information when upright position adjusts for gathering transmitter unit；Described reception unit includes photoelectric sensor module and receives optical module, is used for the segment beam that can be received by reception unit after certain length of base propagation in atmosphere in detection light beam is carried out opto-electronic conversion；Described intensity signal collecting unit is used for gathering the intensity signal that reception unit receives；Described motor drives Unit three for driving reception unit to carry out the position adjustment of horizontal direction；Described motor drives Unit four for driving reception unit to carry out the position adjustment of vertical direction；Described positional information gathers Unit three for gathering the positional information received in unit horizontal position adjustment；Described positional information gathers Unit four for gathering positional information in reception unit vertical direction position adjustment；Described central processing unit one unit is used for storing transmitter unit positional information, central processing unit one unit sends to central processing unit two unit simultaneously and gathers intensity signal order, central processing unit two unit storage collects intensity signal also transmits, and central processing unit one unit obtains the collimation position of transmitter unit further according to the intensity signal collected and positional information calculation；Described central processing unit two unit is used for storing reception unit location information and intensity signal, and calculates the collimation position receiving unit according to positional information and intensity signal；Described main control unit is used for sending optical path alignment procedure order and controlling central processing unit one, two unit and control motor driving Unit one, two, three, four, and control system works.
A kind of transilluminator optical path automatic-aligning system based on scan mode the most according to claim 1, it is characterised in that the motor that electric-motor drive unit drives is the direct current generator with decelerator.
A kind of transilluminator optical path automatic-aligning system based on scan mode the most according to claim 1, 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 sensor.
A kind of transilluminator optical path automatic-aligning system based on scan mode the most according to claim 1, it is characterised in that communicated by communication cable between central processing unit one unit and central processing unit two unit.
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| CN201620039631.9U CN205483991U (en) | 2016-01-15 | 2016-01-15 | Automatic collimating system of light path is measured to transmission appearance based on scanning mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510230A (en) * | 2016-01-15 | 2016-04-20 | 中国人民解放军理工大学 | System and method for automatically collimating measuring light path of transmission instrument based on scanning mode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510230A (en) * | 2016-01-15 | 2016-04-20 | 中国人民解放军理工大学 | System and method for automatically collimating measuring light path of transmission instrument based on scanning mode |
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