CN106645165B - A kind of photo resistance automatic detection device - Google Patents
A kind of photo resistance automatic detection device Download PDFInfo
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- CN106645165B CN106645165B CN201610909525.6A CN201610909525A CN106645165B CN 106645165 B CN106645165 B CN 106645165B CN 201610909525 A CN201610909525 A CN 201610909525A CN 106645165 B CN106645165 B CN 106645165B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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Abstract
The present invention relates to detection device technology fields, disclose a kind of photo resistance automatic detection device, including bottom plate, substrate, the left end of substrate is equipped with feed lead rail, linear vibrator is equipped between feed lead rail and bottom plate, the top surface of substrate is equipped with circular-shaped, concave cavity, disk is equipped in circular-shaped, concave cavity, the center of circular-shaped, concave cavity is equipped with shaft, bottom plate is equipped with and is connected with the rotating shaft cam protractor, the edge of disk is circumferentially uniformly provided with four spacing breach, substrate is equipped with detection head assembly, the bottom surface of circular-shaped, concave cavity is equipped with light hole, hood is equipped with positioned at the lower end outside of light hole on the bottom surface of substrate, cylindrical drum is equipped in hood, spherical surface light source is equipped in cylindrical drum, the side inner walls of cylindrical drum are equipped with light-transmissive film, the light transmittance of light-transmissive film is along the circumferential direction sequentially reduced, the bottom of substrate is equipped with the stepper motor coaxially connected with cylindrical drum.The present invention has the beneficial effect that charging is stablized, detection efficiency is high, detection accuracy is high.
Description
Technical field
The present invention relates to detection device technology field more particularly to a kind of photo resistance automatic detection devices.
Background technique
Photo resistance be with vulcanization every or selenizing particular resistor made of equal semiconductor materials, its working principle is that base
In inner photoeffect, illumination is stronger, and resistance value is just lower, and with the raising of intensity of illumination, resistance value is reduced rapidly, photo resistance pair
Light is very sensitive, is in high-impedance state when there is no light.Photo resistance is generally used for the measurement of light, the control of light and photoelectricity
Conversion photo-resistor is to the sensibility (i.e. spectral characteristic) and human eye of light to the response of visible light very close to as long as human eye can be felt
The light received can all cause its change in resistance.Photo resistance in many circuits, it is very widely used in instrument and meter.It is photosensitive
Resistance is mainly used for automatic control circuit, photoelectric counting, photoelectric tracking, photo-electric control, the automatic exposure of camera and colour
The fields such as the brightness regulation of television set.
It after photo resistance is produced, needs to detect its performance, is all usually at present artificial detection, is i.e. detection light
Resistance of the quick resistance under the resistance and same intensity illumination under no light condition, qualitatively judging photo resistance according to two resistance values is
No qualification；This detection mode can be suitably used for common photosensitive resistance detection, but this kind of detection mode detection accuracy is lower, for
Photo resistance in some such as automatic exposure of camera systems can not be applicable in, to photo resistance in automatic exposure of camera system
Illumination-resistance characteristic curve requirement it is very high, the photo resistance after detecting only by two end values is unable to satisfy precision and wants
It asks；And artificial detection effect rate, it is unable to satisfy production capacity demand.
Summary of the invention
The present invention provides to solve the problems, such as that photo resistance detection efficiency in the prior art is low, detection accuracy is low
The photo resistance automatic detection device that a kind of detection efficiency is high, detection accuracy is high.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of photo resistance automatic detection device, including bottom plate, substrate parallel to the base plate, the bottom surface both side of the substrate
It is fixedly connected by riser with bottom plate, the left end of the substrate is equipped with feed lead rail, and the outer end of feed lead rail is equipped with vibrating disk, institute
It states and is equipped with linear vibrator between feed lead rail and bottom plate, the top surface of the substrate is equipped with circular-shaped, concave cavity, the circular-shaped, concave cavity
It is interior to be equipped with disk, charging gap is equipped between the disk and circular-shaped, concave cavity bottom surface, it is vertical that the center of the circular-shaped, concave cavity is equipped with
Shaft, the bottom plate is equipped with and is connected with the rotating shaft cam protractor, and the input terminal of the cam protractor is equipped with driving electricity
The output end of machine, cam protractor is connect with shaft, and the upper end of the shaft is fixedly connected with the center of disk, the disk
Edge is circumferentially uniformly provided with four spacing breach, and the open end of the spacing breach, which is equipped with, is oriented to notch, along circle on substrate
The rotation direction of disk is successively uniformly provided with to discharge with the one-to-one feed station of four spacing breach, detection station, defective products
Station, non-defective unit discharging station, feed station are connect with feed lead rail；Surface on the substrate positioned at detection station is equipped with
Head assembly is detected, is located at detection station on the bottom surface of the circular-shaped, concave cavity and is equipped with light hole, be located on the bottom surface of the substrate
The lower end outside of light hole is equipped with hood, and the cylindrical drum of transmitting light from side surface, the axis of the light hole are equipped in the hood
Line is vertical with the side of cylindrical drum, and spherical surface light source is equipped in the cylindrical drum, and the side of the cylindrical drum is equipped with light-transmissive film, institute
The light transmittance for stating light-transmissive film is along the circumferential direction sequentially reduced, and the bottom of the substrate is equipped with stepper motor, the stepper motor
It is fixedly and coaxially connected with cylindrical drum.
Driving motor drives disk to do intermittent rotary motion by cam protractor, and photo resistance is enterprising from feed lead rail
Enter at feed station, two in photo resistance piece stitch enters limit, disk rotational, by the light at feed station in spacing breach
Quick resistance is moved at detection station, and detection head assembly is connect with external detection instrument, two for detecting head assembly and photo resistance
Stitch contacts (spherical surface light source is not turned at this time), detects the resistance value of photo resistance in the case where no light, then spherical surface
Light source automatically opens, and stepper motor drives cylindrical drum to rotate one week, and the light of spherical surface light source passes through light-transmissive film and is irradiated to photosensitive electricity
On the light-receiving surface of resistance, since the light transmittance of light-transmissive film is along the circumferential direction sequentially reduced, the resistance value of photo resistance constantly changes,
To obtain the characteristic curve of intensity of illumination and resistance value on detector, detector is according to detected characteristic curve and standard
Characteristic curve is compared, therefore, it is determined that whether the photo resistance of detection is qualified；After photo resistance detection, if it is decided that not conform to
Lattice, then photo resistance is discharged from defective products discharging station, if determining qualified after photo resistance detection, discharges work from non-defective unit
It is discharged at position.It can be quickly obtained the characteristic curve of intensity of illumination and resistance value by this kind of detection device, determined according to characteristic curve
Whether qualified, detection accuracy is high.
Preferably, being equipped with stitch rectification plate, the stitch correction positioned at the lower section of detector component on the substrate
It is set on plate there are two stitch location hole, stitch rectification plate downside is equipped with the lower cone hole with stitch location hole coaxial communication, base
Plate is equipped with stitch rectification plate elevating mechanism.Two stitch and photo resistance when photo resistance is produced, in photo resistance
Between ontology it cannot be guaranteed that completely vertical, this results in contact position, the contact condition of detection head assembly and stitch not to be able to maintain
Unanimously, it detects head assembly and the contact resistance at stitch is inconsistent, this will increase detection error, in this structure, work as photo resistance
When being moved to detection station, the decline of stitch rectification plate, so that the entrance stitch positioning hole that two stitch are stable along lower cone hole,
To correct the position of stitch, the consistency of stitch position is able to maintain when detection every time, eliminates the detection of contact resistance bring
Error further increases detection accuracy.
Preferably, the stitch rectification plate elevating mechanism includes two vertical guide posts, the lower end of guide post and substrate
It is fixedly connected, is slidably connected between the stitch rectification plate and guide post, be additionally provided on the substrate and connect with stitch rectification plate screw thread
The vertical screw rod connect, the bottom surface of the substrate are equipped with the motor connecting with screw rod.Motor drives screw rod rotation to realize stitch
Rectification plate moves up and down.
Preferably, the top of the stitch rectification plate is equipped with support plate, the both ends of the support plate pass through branch respectively
Dagger is fixedly connected with substrate, and the support plate is equipped with lifting cylinder, and the detection head assembly is fixed on the axis of lifting cylinder
End.The shaft end of lifting cylinder is flexible to realize being contacting and separating for detection head assembly and stitch.
Preferably, the detection head assembly includes connecting plate, two three-jaw collets, the upper end of the three-jaw collet is set
There is connecting column, be threadedly coupled between connecting column and connecting plate, the axis and stitch location hole of three-jaw collet are coaxial；The stitch is rectified
The upper side of positive plate is equipped with the upper taper hole with stitch location hole coaxial communication.After stitch enters stitch positioning hole, three claw clips
Set declines and covers on the outside of stitch, is clamped stitch by the effect of upper taper hole when three-jaw collet continues decline, to realize two
Electrical connection between person, is then detected.
Preferably, the three-jaw inner wall of the three-jaw collet is equipped with electroconductive resin coating.There are hairs on some stitch heads
Thorn, if three-jaw collet and stitch when contacting can therefore burr and lead to poor contact, pass through electroconductive resin coating in this structure
It is contacted with stitch holding, even if there are burrs to also ensure that the two directly completely attaches on stitch head, to be kept in contact resistance
Consistency is good, improves detection accuracy.
Lead to preferably, being located on the substrate and being equipped with the discharging being connected to circular-shaped, concave cavity at defective products discharging station
Road is located on the bottom surface of the circular-shaped, concave cavity at defective products discharging station and is equipped with horizontal pushing block, sets on the downside of the substrate
The pusher cylinder for having the horizontal pushing block of driving mobile；It is located at non-defective unit discharging station on the bottom surface of the circular-shaped, concave cavity and is equipped with blanking
Hole.When being determined as unqualified after photo resistance detection, disk drives photo resistance to defective products discharging station, at this time pusher gas
Cylinder drives horizontal pushing block mobile, so that defective products photo resistance is released from tapping channel.
Preferably, the head of the horizontal pushing block is equipped with v-notch, it is located above tapping channel on the substrate and sets
There is material blocking rod, one end of the material blocking rod is connect by rotating bar with substrate, and the rotating bar is equipped with torsional spring.Material blocking rod energy
Prevent the centrifugal force generated when disk rotational from throwing away photo resistance from tapping channel.
Preferably, the discharge end two sides of the feed lead rail are respectively provided with a piece of guide plate, Y is formed between two panels guide plate
Shape adjusts gap.Y shape adjusts the direction of the first successive step stitch of gap energy, and the stitch of such photo resistance can more quickly enter
In spacing breach.
Infrared reflection sensor is equipped with preferably, being located at feed station on the bottom surface of the circular-shaped, concave cavity.It is infrared
Line reflection sensor is for detecting whether photo resistance enters in feed station, if photo resistance does not enter into spacing breach
Then driving motor can stop operating, and until the stitch of photo resistance is completely into spacing breach, driving motor just be can rotate, really
It protects and stablizes charging.
Therefore, the present invention has the beneficial effect that charging is stablized, detection efficiency is high, detection accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Fig. 2 is partial enlargement diagram at A in Fig. 1.
Fig. 3 is stitch rectification plate, the structural schematic diagram for detecting head assembly.
Fig. 4 is the structural schematic diagram that photo resistance is in detecting state.
Fig. 5 is partial enlargement diagram at C in Fig. 3.
Fig. 6 is the cross-sectional view of three-jaw collet.
In figure: bottom plate 1, substrate 2, feed lead rail 3, disk 4, shaft 5, spacing breach 6, guiding notch 7, tapping channel
9, material blocking rod 12, rotating bar 13, stitch rectification plate 15, guide post 16, screw rod 17, motor 18, support plate 19, charging gap 21, logical
Unthreaded hole 22, support column 23, lifting cylinder 24, connecting plate 25, three-jaw collet 26, connecting column 27, electroconductive resin coating 28, guide plate
30, Y shape deflector chute 31, vibrating disk 32, stitch location hole 150, lower cone hole 151, upper taper hole 152, photo resistance 100, stitch
101, hood 220, cylindrical drum 221, spherical surface light source 222, light-transmissive film 223.
Specific embodiment
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
A kind of photo resistance automatic detection device as shown in Figure 1, including bottom plate 1, substrate parallel to the base plate 2, substrate
Bottom surface both side is fixedly connected by riser with bottom plate, and the left end of substrate is equipped with feed lead rail 3, is equipped between feed lead rail and bottom plate
Linear vibrator, the left end of feed lead rail are connected with vibrating disk 32；The top surface of substrate 2 is equipped with circular-shaped, concave cavity, sets in circular-shaped, concave cavity
There is disk 4, is equipped with charging gap 21 as shown in Figure 1 and Figure 4, between disk and circular-shaped, concave cavity bottom surface, the center of circular-shaped, concave cavity is set
There is vertical shaft 5, bottom plate, which is equipped with, is connected with the rotating shaft cam protractor, and the input terminal of cam protractor is equipped with driving electricity
The output end of machine, cam protractor is connect with shaft, and the upper end of shaft is fixedly connected with the center of disk 4, as shown in Fig. 2, circle
The edge of disk is circumferentially uniformly provided with four spacing breach 6, and the open end of spacing breach is equipped with guiding notch 7, feed lead rail 3
Discharge end two sides be respectively provided with a piece of guide plate 30, form Y shape between two panels guide plate and adjust gap 31, along disk on substrate 2
Rotation direction be respectively equipped with and the one-to-one feed station of four spacing breach, detection station, defective products discharging station, good
Product discharging station, feed station are connect with feed lead rail；It is located on the bottom surface of circular-shaped, concave cavity anti-equipped with infrared ray at feed station
Penetrate sensor；It is located at detection station on the bottom surface of circular-shaped, concave cavity and is equipped with light hole 22, defective products discharging station is located on substrate 2
Place is equipped with the tapping channel 9 being connected to circular-shaped, concave cavity, is located at defective products discharging station on the bottom surface of circular-shaped, concave cavity and is equipped with level
Pushing block, the downside of substrate are equipped with the pusher cylinder for driving horizontal pushing block mobile, and the head of horizontal pushing block is equipped with v-notch,
It is equipped with material blocking rod 12 positioned at the top of tapping channel on substrate, one end of material blocking rod is connect with substrate by rotating bar 13, rotated
Bar is equipped with torsional spring；It is located at non-defective unit discharging station on the bottom surface of circular-shaped, concave cavity and is equipped with material-dropping hole；It is located on the bottom surface of substrate 2 logical
The lower end outside of unthreaded hole is equipped with hood 220, and the cylindrical drum 221 of transmitting light from side surface, the axis and circle of light hole are equipped in hood
The side of column casing is vertical, and spherical surface light source 222 is equipped in cylindrical drum, and the side inner walls of cylindrical drum are equipped with light-transmissive film 223, light-transmissive film
Light transmittance is along the circumferential direction sequentially reduced, and the bottom of substrate is equipped with stepper motor, and stepper motor is fixedly and coaxially connected with cylindrical drum.
As shown in Figure 3 and Figure 4, stitch rectification plate 15, stitch rectification plate are equipped with positioned at the surface of detection station on substrate 2
It is set on 15 there are two stitch location hole 150, stitch rectification plate downside is equipped with the lower cone hole with stitch location hole coaxial communication
151, the upper side of stitch rectification plate is equipped with the upper taper hole 152 with stitch location hole coaxial communication, and substrate 2 is rectified equipped with stitch
Positive plate elevating mechanism, stitch rectification plate elevating mechanism includes two vertical guide posts 16, and the lower end of guide post is fixedly connected with substrate,
It is slidably connected between stitch rectification plate and guide post, the vertical screw rod being threadedly coupled with stitch rectification plate is additionally provided on the substrate
17, the bottom surface of substrate is equipped with the motor 18 connecting with screw rod；
The top of stitch rectification plate 15 is equipped with support plate 19, and the both ends of support plate pass through support column 23 respectively and fix with substrate
Connection, support plate are equipped with lifting cylinder 24, and the shaft end of lifting cylinder is equipped with detection head assembly, as shown in fig. 6, detection head assembly
Including 25, two three-jaw collets 26 of connecting plate, the upper end of three-jaw collet is equipped with connecting column 27, screw thread between connecting column and connecting plate
Connection, the axis and stitch location hole of three-jaw collet are coaxial, and the three-jaw inner wall of three-jaw collet is equipped with electroconductive resin coating 28.
In conjunction with attached drawing, application method of the invention is as follows: driving motor is done intermittent by cam protractor drive disk
Rotary motion, photo resistance 100 first pass through Y shape from feed lead rail and adjust gap, and the direction of stitch 101 is tentatively adjusted at this time
Section, when photo resistance enters feed station, two stitch in photo resistance enter limit in spacing breach, and disk rotational will
Photo resistance at feed station is moved at detection station, and motor rotation drives the decline of stitch rectification plate, stitch by screw rod
It is introduced into lower cone hole and enters stitch positioning hole along the conical surface, the position of two stitch is corrected at this time, stitch and photosensitive electricity
It hinders ontology and keeps vertical, then lifting cylinder drives detection head assembly decline, and two three-jaw collets are respectively protruding into taper hole, needle
Foot upper end enters in three-jaw collet, and three-jaw collet clamps stitch, electroconductive resin coating and stitch side under the action of the upper conical surface
Contact, three-jaw collet upper end are accessed in detecting instrument by data line, and detection obtains the photosensitive electricity under no light conditions at this time
The resistance value of resistance, then spherical surface light source automatically opens, and stepper motor drives cylindrical drum rotation, and the light of spherical surface light source passes through light-transmissive film
It is radiated on the light-receiving surface of photo resistance, since the light transmittance of light-transmissive film circumferentially constantly reduces, photo resistance
The intensity of illumination being subject to also constantly changes, and the characteristic curve of intensity of illumination and resistance value, detector root are finally obtained from detector
It is compared according to detected characteristic curve with standard feature curve, therefore, it is determined that whether the photo resistance of detection is qualified；Light
After quick resistance detection, if it is decided that be unqualified, then photo resistance is discharged from defective products discharging station, if photo resistance is examined
It is qualified to determine after survey, then is discharged from non-defective unit discharging station.Intensity of illumination and resistance value can be quickly obtained by this kind of detection device
Characteristic curve, qualification is determined whether according to characteristic curve, detection accuracy is high.
Claims (9)
1. the bottom surface both side of a kind of photo resistance automatic detection device, including bottom plate, substrate parallel to the base plate, the substrate is logical
It crosses riser to be fixedly connected with bottom plate, the left end of the substrate is equipped with feed lead rail, and the outer end of feed lead rail is equipped with vibrating disk, described
Linear vibrator is equipped between feed lead rail and bottom plate, characterized in that the top surface of the substrate is equipped with circular-shaped, concave cavity, the circle
It is equipped with disk in shape cavity, charging gap is equipped between the disk and circular-shaped, concave cavity bottom surface, the center of the circular-shaped, concave cavity is set
There is vertical shaft, the bottom plate is equipped with and is connected with the rotating shaft cam protractor, and the input terminal of the cam protractor is equipped with
The output end of driving motor, cam protractor is connect with shaft, and the upper end of the shaft is fixedly connected with the center of disk, described
The edge of disk is circumferentially uniformly provided with four spacing breach, and the open end of the spacing breach is equipped with guiding notch, substrate
On be successively uniformly provided with and the one-to-one feed station of four spacing breach, detection station, bad along the rotation direction of disk
Product discharging station, non-defective unit discharging station, feed station are connect with feed lead rail；On the substrate positioned at detection station just on
Side is equipped with detection head assembly, is located at detection station on the bottom surface of the circular-shaped, concave cavity and is equipped with light hole, the bottom surface of the substrate
The upper lower end outside positioned at light hole is equipped with hood, and the cylindrical drum of transmitting light from side surface, the light passing are equipped in the hood
The axis in hole and the side of cylindrical drum are vertical, and spherical surface light source is equipped in the cylindrical drum, and the side inner walls of the cylindrical drum are set
There is light-transmissive film, the light transmittance of the light-transmissive film is along the circumferential direction sequentially reduced, and the bottom of the substrate is equipped with stepper motor, described
Stepper motor be fixedly and coaxially connected with cylindrical drum；It is corrected positioned at the lower section of detector component equipped with stitch on the substrate
Plate is set on the stitch rectification plate there are two stitch location hole, and stitch rectification plate downside is equipped with coaxial with stitch location hole
The lower cone hole of connection, substrate are equipped with stitch rectification plate elevating mechanism.
2. a kind of photo resistance automatic detection device according to claim 1, characterized in that the stitch rectification plate liter
Descending mechanism includes two vertical guide posts, and the lower end of guide post is fixedly connected with substrate, sliding between the stitch rectification plate and guide post
It is dynamic to connect, it is additionally provided with the vertical screw rod being threadedly coupled with stitch rectification plate on the substrate, the bottom surface of the substrate is equipped with
The motor being connect with screw rod.
3. a kind of photo resistance automatic detection device according to claim 1 or 2, characterized in that the stitch correction
The top of plate is equipped with support plate, and the both ends of the support plate pass through support column respectively and are fixedly connected with substrate, in the support plate
Equipped with lifting cylinder, the detection head assembly is fixed on the shaft end of lifting cylinder.
4. a kind of photo resistance automatic detection device according to claim 1, characterized in that the detection head assembly packet
Connecting plate, two three-jaw collets are included, the upper end of the three-jaw collet is equipped with connecting column, and screw thread connects between connecting column and connecting plate
It connects, the axis and stitch location hole of three-jaw collet are coaxial；The upper side of the stitch rectification plate is equipped with same with stitch location hole
The upper taper hole of axis connection.
5. a kind of photo resistance automatic detection device according to claim 4, characterized in that the three-jaw of the three-jaw collet
Inner wall is equipped with electroconductive resin coating.
6. a kind of photo resistance automatic detection device according to claim 1, characterized in that be located at not on the substrate
It is equipped with the tapping channel being connected to circular-shaped, concave cavity at non-defective unit discharging station, is located at defective products on the bottom surface of the circular-shaped, concave cavity and discharges
Horizontal pushing block is equipped at station, the downside of the substrate is equipped with the pusher cylinder for driving horizontal pushing block mobile；The circle
It is located at non-defective unit discharging station on the bottom surface of cavity and is equipped with material-dropping hole.
7. a kind of photo resistance automatic detection device according to claim 6, characterized in that the head of the horizontal pushing block
Equipped with v-notch, it is equipped with material blocking rod positioned at the top of tapping channel on the substrate, one end of the material blocking rod passes through rotating bar
It is connect with substrate, the rotating bar is equipped with torsional spring.
8. a kind of photo resistance automatic detection device according to claim 1, characterized in that the discharging of the feed lead rail
End two sides are respectively provided with a piece of guide plate, form Y shape between two panels guide plate and adjust gap.
9. a kind of photo resistance automatic detection device according to claim 1, characterized in that the bottom surface of the circular-shaped, concave cavity
It is upper to be located at feed station equipped with infrared reflection sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909525.6A CN106645165B (en) | 2016-10-12 | 2016-10-12 | A kind of photo resistance automatic detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610909525.6A CN106645165B (en) | 2016-10-12 | 2016-10-12 | A kind of photo resistance automatic detection device |
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| CN106645165A CN106645165A (en) | 2017-05-10 |
| CN106645165B true CN106645165B (en) | 2019-10-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110501992B (en) * | 2019-08-07 | 2021-07-20 | 格力电器（武汉）有限公司 | WiFi detection board testing device |
| CN113340838B (en) * | 2021-06-10 | 2023-01-10 | 上海迈鸿传感器有限公司 | NDIR gas detection sensor optical path device |
| CN114034888A (en) * | 2021-09-29 | 2022-02-11 | 苏州达亚电子有限公司 | Double-needle type photosensitive resistor detection device |
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| GB1424231A (en) * | 1972-01-26 | 1976-02-11 | Interatom | Mounting devices for electrical circuit boards |
| CN201575797U (en) * | 2009-06-10 | 2010-09-08 | 上海微曦自动控制技术有限公司 | Pipe-to-pipe visual detection device |
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| CN106645165A (en) | 2017-05-10 |
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