CN103234737B - Detection system of light distribution characteristic of ellipsoid unit and method thereof - Google Patents
Detection system of light distribution characteristic of ellipsoid unit and method thereof Download PDFInfo
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- CN103234737B CN103234737B CN201310150296.0A CN201310150296A CN103234737B CN 103234737 B CN103234737 B CN 103234737B CN 201310150296 A CN201310150296 A CN 201310150296A CN 103234737 B CN103234737 B CN 103234737B
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Abstract
The invention provides a detection system of a light distribution characteristic of an ellipsoid unit. The detection system comprises a rotary table for placing a plurality of ellipsoid units, and further comprises a rotary part, a positioning locking part, a picking-placing part, a light detection signal transmitting part, a light type collecting part and a control part, wherein the rotary part comprises a servo amplifier, a servo motor and a main shaft; the positioning locking part comprises an approach switch set, a position encoding bolt set and a positioning air cylinder on the rotary table, a positioning pin and a positioning hole on the rotary table; the picking-placing part comprises a one-way electric air valve, a clamping claw air cylinder, an air faucet, and a clamping claw air opening and a clamping claw on the rotary table; the light detection signal transmitting part comprises an LIN (Local Interconnect Network) controller, a CAN (Controller Area Network) controller and an electric mortiser plug; the light type collecting part comprises a convex lens, an imaging screen and a camera, and is used for obtaining light type distribution images of the ellipsoid units; and the control part comprises an industrial personal computer and a digital I/O (Input/Output) card connected with the industrial personal computer, and is used for controlling the rotary part, the positioning locking part, the picking-placing part, the light detection signal transmitting part and the light type collecting part, and analyzing the light type distribution images to obtain a detection result of the light distribution characteristic.
Description
Technical field
The system that the light distribution characteristic that the present invention relates to a kind of ellipsoidal unit to car headlamp detects and detection method thereof.
Background technology
Automobile front employing ellipsoidal unit is the trend of vehicle front lighting lamp assembly technical development.Ellipsoidal unit is just progressively widely applied at present as novel distance light and dipped beam parts, ellipsoid dipped beam headlight can improve the luminescence efficiency of dipped headlights greatly, particularly solves again while improving luminous intensity distribution performance (illumination of light, the homogeneity of distribution of light) and dazzles the eyes problem.
The light distribution characteristic of ellipsoid determines the luminous intensity distribution performance of vehicle front lighting lamp assembly, and therefore ellipsoidal unit has to pass through strict adjustment to ensure that light meets standard in the pre-assembly.
Ellipsoidal unit mainly comprises two large classes at present: HID ellipsoid and LED ellipsoid.In on-line checkingi process, for high-end ellipsoidal unit, system must be equipped with LIN or CAN protocol bus controller with its AFS function of adjustment.The luminous intensity distribution performance of ellipsoid just tends towards stability after 30 seconds in lighting (or unlatching), therefore the warm-up phase of 30 seconds must be had in the on-line checkingi process of its light distribution characteristic, (if hold concurrently function, there was AFS the real light inspection time about 6 ~ 12 seconds greatly, the light inspection time is greatly about 15 ~ 25 seconds), if the single detecting pattern of this order is examined according to preheating, light visible, efficiency is extremely beneath, the direct production efficiency affecting car headlamp general assembly streamline, can not adapt to the demand of modern production completely.So development has the preheating of multistation ellipsoid, the light check system of independent intellectual property right, whether the light distribution characteristic of the automobile front ellipsoid of accurate adjustment online production meets relevant criterion, it is the unique channel improving ellipsoid light distribution characteristic on-line checkingi level and efficiency, also be current car light manufacturing project anxious to be resolved, Domestic Automotive Industry can be promoted simultaneously to be correlated with the de-velopment and innovation in car light luminous intensity distribution online measuring technique field.
Summary of the invention
In order to solve the problem, the invention provides a kind of multistation detection system of light distribution characteristic of ellipsoid unit, multiple station preheating while a station carries out light inspection can be realized in testing process, solve the problem that the detection efficiency of preheating detection single-mode is too low, substantially increase the detection efficiency of light distribution characteristic of ellipsoid unit.
In order to achieve the above object, present invention employs following technical scheme:
A kind of detection system of light distribution characteristic of ellipsoid unit, light distribution characteristic for the ellipsoidal unit to car headlamp detects, comprise rotating disk, rotating disk comprises one and picks and places station, a light inspection station and at least one preheating station, for placing multiple ellipsoidal unit, there is such feature, also comprise:
Rotation section, comprises servoamplifier and servomotor, for controlling dial rotation; Positioning lock bonding part, comprises proximity switch group, a plurality of position encoded bolt group, positioning cylinder, the register pin be arranged on rotating disk, for locating and locking rotating disk; Picking and placeing portion, comprising the claw gas port on unidirectional electric-air valve, claw cylinder, valve and rotating disk and claw, for picking and placeing ellipsoidal unit; Light inspection signal emission part, comprises LIN controller, CAN controller and electric mortiser plug, for sending AFS control signal to ellipsoidal unit; Light type collection unit, comprises convex lens, imaging screen and camera, for obtaining the light distribution image of ellipsoidal unit; And control part, the digital I/O card comprising industrial computer and be connected with this industrial computer, for controlling rotation section, positioning lock bonding part, pick and place portion, light inspection signal emission part and light type collection unit, and analyze light distribution image, obtain the testing result of light distribution characteristic, wherein, rotating disk is provided with a plurality of pilot hole.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Wherein, in proximity switch group, proximity switch number is identical with position coding bolt number in position encoded bolt group, and proximity switch number is corresponding with the station number of rotating disk.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Wherein, industrial computer controls the rotation that servoamplifier drives rotating disk.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Wherein, proximity switch group and position encoded bolt group form different status signals to identify the indexing position of rotating disk and to send position signalling to industrial computer, industrial computer receives ad-hoc location signal time control positioning cylinder, register pin is made to insert immediate pilot hole to lock rotating disk, when light inspection is complete, industrial computer controls positioning lock bonding part and unlocks rotating disk.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Wherein, industrial computer controls claw cylinder, makes valve insert claw gas port, and controls to open unidirectional electric-air valve import pressurized air in claw gas port, and claw unclamps under the influence of air pressure.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Wherein, industrial computer connects LIN controller and CAN controller respectively, and is connected on electric mortiser plug all further, sends AFS control signal to ellipsoidal unit, the light beam that ellipsoidal unit sends after receiving AFS control signal is incident upon on imaging screen by convex lens, and camera obtains the ellipsoid on imaging screen
light typedistributed image also passes industrial computer back.
Further, detection system of light distribution characteristic of ellipsoid unit of the present invention, can also have such feature:
Also comprise informing portion; wherein, informing portion comprises safe light curtain light projector and safe light curtain light-receiving device, for responding to other objects entering safe light curtain protection zone; and sending induced signal to industrial computer, industrial computer receives induced signal and controls rotation section and stops dial rotation.
In addition, the detection system of light distribution characteristic of ellipsoid unit that utilizes of the present invention carries out the method detected, and can also have such feature, comprise the following steps:
Servoamplifier accepts the command information of industrial computer, drives rotating disk to rotate counterclockwise; After rotating disk arrives ad-hoc location, industrial computer controls positioning lock bonding part locking rotating disk; Industrial computer controls to pick and place portion and takes out from the fixture picking and placeing station and detect complete ellipsoidal unit, puts into after preheating ellipsoidal unit, and unidirectional electric-air valve and claw cylinder reset, and claw recovers to tighten up state, fasteningly treats preheating ellipsoidal unit; Industrial computer controls light inspection signal emission part and sends AFS control signal to the ellipsoidal unit to be checked on current light inspection station; Ellipsoidal unit to be checked receives the AFS control signal that industrial computer sends, and camera obtains the ellipsoid light type distributed image on imaging screen and is returned to industrial computer, and industrial computer is analyzed according to the feature of light distribution image, completes the detection of ellipsoid luminous intensity distribution performance; After light inspection terminates, industrial computer controls electric mortiser cylinder makes electric mortiser plug exit electric mortiser socket; Industrial computer controls positioning cylinder, and register pin is exited from pilot hole, removes rotating disk locking, and rotating disk is controlled to continue to rotate counterclockwise next station by industrial computer, carries out the detection of next circulation.
The effect of invention and effect
The multistation detection system of light distribution characteristic of ellipsoid unit that the present invention relates to, station, a light inspection station and at least one preheating station is picked and placeed containing one, multiple station while a station carries out light inspection can be realized carry out preheating in testing process, solve the problem that the efficiency of traditional preheating detection single-mode detection method is too low, substantially increase the detection efficiency of light distribution characteristic of ellipsoid unit, solve the problem that current car light manufacturing is anxious to be resolved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotating disk of the present embodiment;
Fig. 2 is the System Control Figure of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment;
Fig. 3 is the structural representation of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment;
Fig. 4 is the overhaul flow chart of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
The detection system of light distribution characteristic of ellipsoid unit of the present embodiment comprises: for placing the rotating disk of ellipsoidal unit, control the rotation section that rotating disk rotates counterclockwise, for get lamp and put lamp pick and place portion, go forward side by side line-locked positioning lock bonding part in the position accurately controlling rotating disk when dial rotation, for the power supply that ellipsoidal unit is powered, the light inspection signal emission part of AFS control signal is sent to ellipsoidal unit, obtain the light type collection unit of the light distribution image of ellipsoidal unit, the informing portion of security protection is provided, and control part, portion is picked and placeed for controlling, rotation section, positioning lock bonding part, power supply, light inspection signal emission part, light type collection unit and informing portion, and analyze described light distribution image, obtain the testing result of described light distribution characteristic.
Wherein, the control part digital I/O card that comprises the industrial computer for controlling of IPC-6608 (hereinafter referred to as industrial computer) and be connected with this industrial computer.
Fig. 1 is the structural representation of the rotating disk of detection system of light distribution characteristic of ellipsoid unit in the present embodiment.
As shown in Figure 1, on the turntable 1: around rotating disk 1 center, be uniformly distributed six stations, station a ~ station f is followed successively by a clockwise direction; Fixture 2a ~ the 2f of six fixing ellipsoidal units to be tested; Six electric mortiser socket 3a ~ 3f; And six collector shoes are to 4a ~ 4f.An each station difference supporting fixture 2, electric mortiser socket 3 and a collector shoe are to 4.Ellipsoidal unit on fixture can pass through the supporting electric mortiser socket 3 of this fixture or collector shoe is powered to 4.
Station a is light inspection station, and station b ~ station e is preheating station, and station f is for picking and placeing station.Rotating disk 1 experiences successively in the process rotated counterclockwise puts lamp (station f), preheating (station e ~ station b), and light inspection (station a), finally carry out getting lamp (getting back to station f), complete a circulation, the ellipsoidal unit simultaneously detected, from after fixture 2f is removed, the fixture 2f of station f can put into next ellipsoidal unit again, enters nextly to detect circulation.
Fig. 2 is the System Control Figure of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment; Fig. 3 is the structural representation of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment.
The rotation section of detection system of the present invention comprises servoamplifier 19, servomotor 20, Timing Belt 22 and main shaft 21, rotates for controlling rotating disk 1.In the present embodiment, as shown in Figure 2 and Figure 3, system base 28 and rotating disk 1 be arranged in parallel, main shaft 21 horizontal positioned also passes system base 28 and rotating disk 1, servomotor 20 is connected by Timing Belt 22, servomotor 20 connects ASD-A0721-AB servoamplifier 19 again, and is connected on industrial computer further by RS-232 bus.Servoamplifier 19 is set as position control mode, and the command information of servoamplifier 19 receiving system industrial control computer controls servomotor 20 and drives rotating disk to rotate counterclockwise.
The many groups of position encoded bolt groups 5 that positioning unit in the positioning lock bonding part of detection system of the present invention comprises one group of proximity switch group 18 and is arranged on rotating disk.In the present embodiment, if proximity switch number is n in proximity switch group 18, then 2 are needed
n>=station number, station number is six in the present embodiment, and therefore in proximity switch group, the quantity set of proximity switch is three, thus corresponding to each station position encoded bolt group 5 in the quantity of position coding bolt be also three.As shown in Figure 1, Figure 2, Figure 3 shows, six fixture sides on rotating disk 1 are provided with position encoded bolt 5a ~ 5f that one group of quantity is three all respectively, it can form different status signals from LR12BF02DNR proximity switch group 18 in system base, and then identify disk position and judge whether rotating disk 1 is accurately in the geometry indexing position of station, and send position signalling to industrial computer.Lock cell in the positioning lock bonding part of the detection system of the present embodiment comprises positioning cylinder 11, register pin 10 and pilot hole 9, for accurately locating and locking rotating disk 1.In rotating disk 1, each station is provided with corresponding pilot hole 9a ~ 9f, when rotating disk arrives assigned address, industrial computer receives ad-hoc location signal, by digital I/O card control positioning cylinder 11, register pin 10 inserts current pilot hole 9d on rotating disk 1 to lock rotating disk 1, ensure the positional precision of station, thus the light detection limit error that elimination positioning error is brought.When light inspection is complete, industrial computer controls described positioning lock bonding part, and register pin 10 is exited from pilot hole 9d, unlocks described rotating disk 1.
The portion of picking and placeing of detection system of the present invention comprises claw gas port 12 on unidirectional electric-air valve 15, claw cylinder 14 and rotating disk and claw 6, for picking and placeing ellipsoidal unit picking and placeing on station.In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, claw 6a ~ 6f is provided with respectively, for fastening ellipsoidal unit in six fixture 2a ~ 2f of rotating disk 1.Claw 6a ~ 6f is in when free state the state of tightening up, when station f place carries out getting lamp or putting lamp operation, industrial computer controls claw cylinder 14 by digital I/O, valve 13 is made to insert claw gas port 13, and control to open unidirectional electric-air valve 15 import pressurized air in claw gas port 12, claw 6f is unclamped under the influence of air pressure, carry out getting lamp or putting lamp operation, when getting lamp or putting after lamp action completes, reset unidirectional electric-air valve 15 and claw cylinder 14, claw 6f is made to recover to tighten up state, with fastening ellipsoidal unit.
The light inspection power supply unit that the power supply of detection system of the present invention is included as preheating power supply unit that preheating station powers, power for light inspection station and the lighting power supply unit of powering when detecting ellipsoidal unit, three unit are individually powered.In the present embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, on rotating disk 1, six fixture 2a ~ 2f sides are provided with corresponding collector shoe all respectively to 4a ~ 4f, the end of each collector shoe to 4a ~ 4f has a conductive roller 7a ~ 7f, can rotate with rotating disk 1, collector shoe obtains to power and be supplied to ellipsoidal unit to be checked on corresponding fixture 2 with linear contact lay connected mode by roller 7 and the collector ring 8 in system base 28 to 4 and carries out preheating.Collector ring 8 is divided into A, B bis-sections, does not need power supply, so do not need to arrange collector ring 8 between adjacent light inspection station a and preheating station f.Collector ring A section corresponds to clockwise station a ~ b, collector ring B section and corresponds to clockwise preheating station b ~ f.Industrial computer is linked by digital I/O and connects the first solid-state relay and be connected to collector ring B section further, control preheating power supply unit, industrial computer is linked by digital I/O and connects the second solid-state relay and be connected to collector ring A section further, control light inspection power supply unit, industrial computer is connected to electric mortiser cylinder 16, and industrial computer is linked by digital I/O and connects the 3rd solid-state relay and be connected to electric mortiser plug 17 further.Industrial control computer makes electric mortiser plug 17 insert electric mortiser socket 3a by digital I/O card control electric mortiser cylinder 16, and control the power supply of lighting power supply unit, in addition, three solid-state relays are connected respectively to a master switch power supply.
After opening master switch power supply, at preheating station, ellipsoidal unit obtains power supply by the collector shoe of its fixture 2 correspondence to 4 and collector ring B section and carries out preheating; Work as dial rotation, preheating station b is transformed in the process of light inspection station a, collector shoe roller 7 and the contact structure of collector ring 8 make ellipsoidal unit powered by collector ring B section and collector ring A section in moment simultaneously, reach the free of discontinuities lighting power switching that preheating station b and light examine station a.At light inspection station, ellipsoidal unit is powered to electric mortiser by collector ring A section power switching, then carries out conventional light distribution characteristic and detects.
The light inspection signal emission part of detection system of the present invention comprises LIN controller, CAN controller and electric mortiser plug.In the present embodiment, as shown in Figure 2 and Figure 3, industrial computer is connected with NI-8476 LIN bus controller and NI-8473 CAN controller respectively by USB interface, and be connected on electric mortiser plug 17 all further, when ellipsoidal unit enters light inspection station, industrial computer sends AFS control signal to ellipsoidal unit.
The light type collection unit of detection system of the present invention comprises convex lens 25, imaging screen 24 and camera 23.In the present embodiment, as shown in Figure 2 and Figure 3, industrial computer is connected with AVTF504C camera 23 by IEEE1394 adapter.After the AFS control signal that ellipsoidal unit reception industrial computer sends, its light beam sent is incident upon on imaging screen 24 by convex lens 25, now camera 23 obtains the ellipsoid light type distributed image on imaging screen 24 and is returned to industrial computer, industrial computer is analyzed according to the feature of light distribution image, obtains the testing result of described light distribution characteristic.
As shown in Figure 2 and Figure 3, informing portion comprises safe light curtain light projector 26 and safe light curtain light-receiving device 27.In the present embodiment, industrial computer is linked by digital I/O and connects safe light curtain light-receiving device 27.Light-receiving device is for responding to the operating personnel or other foreign matter that enter safe light curtain protected location; and at once send induced signal to industrial computer; industrial computer exports stop control signal after receiving induced signal simultaneously, stops dial movement, the safety of protection operating personnel and system equipment.
Fig. 4 is the overhaul flow chart of the detection system of light distribution characteristic of ellipsoid unit of the present embodiment.
As shown in Figure 4, the workflow of the detection system of the present embodiment comprises: state self-inspection and initialization, rotating disk station are changed, register pin locks rotating disk, get that lamp puts lamp, light is examined, electric mortiser exits and register pin exits.
In the present embodiment, first detection system of light distribution characteristic of ellipsoid unit carries out state self-inspection and initialization, makes servomotor, claw etc. reset into virgin state, and dial rotation is to geometry indexing position.
Servoamplifier is set as position control mode, accepts the command information of industrial computer, controls driven by servomotor rotating disk and rotates counterclockwise, and on rotating disk, each station moves to next corresponding station.
Three proximity switches form different status signals from corresponding three position encoded bolts, and accurately identify disk position, whether disconnected rotating disk is accurately in the geometry indexing position of station.In rotating disk 1, each station is provided with corresponding pilot hole, when rotating disk arrives the position of specifying, industrial computer controls positioning cylinder, makes register pin insert the supporting pilot hole locking rotating disk of immediate station, ensures the positional precision of station thus eliminate the light detection limit error brought of positioning error.
Industrial computer startup picks and places modulating signal, control claw cylinder, make valve insert claw gas port, industrial computer controls to open unidirectional electric-air valve simultaneously, in claw gas port, pressurized air is imported by valve, the claw picked and placeed on station is unclamped under the influence of air pressure, after fixture takes out and detects complete ellipsoidal unit, then puts into and treat preheating ellipsoidal unit, get lamp put lamp operation after, unidirectional electric-air valve and claw cylinder reset, and claw recovers to tighten up state, fasteningly treat preheating ellipsoidal unit.Industrial computer controls to pick and place portion and takes out from the fixture picking and placeing station and detect complete ellipsoidal unit, puts into after preheating ellipsoidal unit, and unidirectional electric-air valve and claw cylinder reset, and claw recovers to tighten up state, fasteningly treats preheating ellipsoidal unit.
Industrial computer starts light inspection signal, industrial computer controls electric mortiser cylinder, electric mortiser plug is made to insert electric mortiser socket, the ellipsoidal unit of light inspection station switches to electric mortiser by collector ring A and powers, industrial computer, by the LIN controller that is connected with electric mortiser plug or CAN controller, sends AFS control signal to the ellipsoidal unit to be checked on light inspection station.Industrial computer controls light inspection signal emission part and sends AFS control signal to the ellipsoidal unit to be checked on current light inspection station.
After the AFS control signal that inspection ellipsoidal unit reception industrial computer sends, the light beam sent is incident upon on imaging screen by convex lens, camera obtains the ellipsoid light type distributed image on imaging screen and is returned to industrial computer, industrial computer is analyzed according to the feature of light distribution image, completes the detection of ellipsoid luminous intensity distribution performance.Ellipsoidal unit to be checked receives the AFS control signal that industrial computer sends, and camera obtains the ellipsoid light type distributed image on imaging screen and is returned to industrial computer, and industrial computer is analyzed according to the feature of light distribution image, completes the detection of ellipsoidal unit luminous intensity distribution performance.
After light inspection terminates, industrial computer controls electric mortiser cylinder, makes electric mortiser plug exit electric mortiser socket.
Industrial computer controls positioning cylinder, and register pin is exited from pilot hole, removes rotating disk locking, and rotating disk is controlled to continue to rotate counterclockwise next station by industrial computer, carries out the detection of next circulation.
In testing process; when having operating personnel or other foreign matter enters safe light curtain protected location; safe light curtain light-receiving device sends signal at once to industrial control computer, and computing machine exports control signal simultaneously and stops dial movement, the safety of protection operating personnel and system equipment.
The effect of embodiment and effect
The six station detection system of light distribution characteristic of ellipsoid unit that the present embodiment relates to, containing light inspection station, one pick and place station and four preheating stations, four stations while a station carries out light inspection can be realized carry out preheating in testing process, solve the problem that the efficiency of traditional preheating detection single-mode detection method is too low, substantially increase the detection efficiency of light distribution characteristic of ellipsoid unit.
Claims (8)
1. a detection system of light distribution characteristic of ellipsoid unit, light distribution characteristic for the ellipsoidal unit to car headlamp detects, comprise rotating disk, described rotating disk comprises one and picks and places station, a light inspection station and at least one preheating station, for placing multiple described ellipsoidal unit, it is characterized in that, also comprise:
Rotation section, comprises servoamplifier and servomotor, for controlling described dial rotation;
Positioning lock bonding part, comprises proximity switch group, a plurality of position encoded bolt group, positioning cylinder, the register pin be arranged on described rotating disk, for locating and locking described rotating disk;
Pick and place portion, comprise the claw gas port on unidirectional electric-air valve, claw cylinder, valve and described rotating disk and claw, for picking and placeing described ellipsoidal unit;
Light inspection signal emission part, comprises LIN controller, CAN controller and electric mortiser plug, for sending AFS control signal to described ellipsoidal unit;
Light type collection unit, comprises convex lens, imaging screen and camera, for obtaining the light distribution image of described ellipsoidal unit; And
Control part, the digital I/O card comprising industrial computer and be connected with this industrial computer, for controlling described rotation section, positioning lock bonding part, pick and place portion, light inspection signal emission part and light type collection unit, and analyze described light distribution image, obtain the testing result of described light distribution characteristic
Wherein, described rotating disk is provided with a plurality of pilot hole.
2. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Wherein, in described proximity switch group, proximity switch number is identical with position coding bolt number in described position encoded bolt group, and described proximity switch number is corresponding with the station number of described rotating disk.
3. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Wherein, described industrial computer controls described servoamplifier and drives described dial rotation.
4. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Wherein, described proximity switch group and described position encoded bolt group form different status signals to identify the indexing position of described rotating disk and to send position signalling to described industrial computer,
Described industrial computer controls described positioning cylinder when receiving ad-hoc location signal, makes described register pin insert immediate described pilot hole to lock described rotating disk,
When light inspection is complete, industrial computer controls described positioning lock bonding part and unlocks described rotating disk.
5. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Wherein, described industrial computer controls described claw cylinder, makes described valve insert described claw gas port, and controls to open described unidirectional electric-air valve import pressurized air in described claw gas port,
Described claw unclamps under the influence of air pressure.
6. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Wherein, described industrial computer connects described LIN controller and described CAN controller respectively, and is connected on described electric mortiser plug all further, sends described AFS control signal to described ellipsoidal unit,
The light beam that described ellipsoidal unit sends after receiving described AFS control signal is incident upon on described imaging screen by described convex lens,
Described camera obtains the ellipsoid light type distributed image on described imaging screen and passes described industrial computer back.
7. detection system of light distribution characteristic of ellipsoid unit according to claim 1, is characterized in that:
Also comprise informing portion,
Wherein, described informing portion comprises safe light curtain light projector and safe light curtain light-receiving device, for responding to other objects entering safe light curtain protection zone, and sends induced signal to described industrial computer,
Described industrial computer receives described induced signal and sends stop signal, controls described rotation section and stops described dial rotation.
8. utilize the detection system of light distribution characteristic of ellipsoid unit described in claim 1 to carry out the method detected, it is characterized in that, comprise the following steps:
Described servoamplifier accepts the command information of described industrial computer, drives described rotating disk to rotate counterclockwise;
After described rotating disk arrives ad-hoc location, described industrial computer controls positioning lock bonding part and locks described rotating disk;
The portion that picks and places described in described industrial computer controls takes out from the described fixture picking and placeing station detects complete ellipsoidal unit, put into after preheating ellipsoidal unit, described unidirectional electric-air valve and described claw cylinder reset, and described claw recovers to tighten up state, treats preheating ellipsoidal unit described in fastening;
Described industrial computer controls light inspection signal emission part and sends described AFS control signal to the ellipsoidal unit to be checked on current described light inspection station;
Described ellipsoidal unit to be checked receives the described AFS control signal that described industrial computer sends, described camera obtains the ellipsoid light type distributed image on described imaging screen and is returned to described industrial computer, described industrial computer is analyzed according to the feature of described light distribution image, obtains the testing result of described light distribution characteristic;
After light inspection terminates, described industrial computer controls electric mortiser cylinder makes described electric mortiser plug exit electric mortiser socket;
Described industrial computer controls described positioning cylinder, and described register pin is exited from described pilot hole, removes the locking of described rotating disk, and described rotating disk is controlled to continue to rotate counterclockwise next station by described industrial computer, carries out the detection of next circulation.
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| CN103900800B (en) * | 2014-04-16 | 2017-03-08 | 上海理工大学 | Electronic light modulating device and car light on-line detecting system |
| CN104344944A (en) * | 2014-10-23 | 2015-02-11 | 上海维锐智能科技有限公司 | Photoelectrical detecting system of LED (light emitting diode) digital tube and photoelectrical detecting method of photoelectrical detecting system |
| CN105222995A (en) * | 2015-09-30 | 2016-01-06 | 马瑞利汽车零部件(芜湖)有限公司 | Lens module light measurer |
| CN107490466A (en) * | 2016-06-12 | 2017-12-19 | 常州星宇车灯股份有限公司 | A kind of on-line detecting system of lens of car light |
| CN112589594B (en) * | 2020-11-19 | 2022-02-08 | 广东长盈精密技术有限公司 | Polishing device |
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