CN107340305A - A kind of testing agency and detection method for liquid-transfering sucker - Google Patents
A kind of testing agency and detection method for liquid-transfering sucker Download PDFInfo
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- CN107340305A CN107340305A CN201710449719.7A CN201710449719A CN107340305A CN 107340305 A CN107340305 A CN 107340305A CN 201710449719 A CN201710449719 A CN 201710449719A CN 107340305 A CN107340305 A CN 107340305A
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- transmittance section
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- transfering sucker
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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Abstract
The invention discloses a kind of testing agency for liquid-transfering sucker, including：Positioning seat, for supporting and positioning at least one liquid-transfering sucker；Detection platform, the positioning seat are arranged in detection platform；Imaging device, the lower end for liquid-transfering sucker are imaged, and the imaging device includes reflection subassembly and the support meanss for supporting reflection subassembly.The invention also discloses a kind of detection method for liquid-transfering sucker, the liquid-transfering sucker is arranged at the top of image transmission, and the liquid-transfering sucker can follow detection platform to move, including the steps：The image of liquid-transfering sucker upper end is obtained by image collecting device；Movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end image by image transmission.Present invention offer is a kind of to be detected for the testing agency of liquid-transfering sucker and by the testing agency, and simple in construction, automatic detection is applicable to the detection of the suction nozzle of all size, and greatly improves accuracy of detection.
Description
Technical field
The present invention relates to medicine equipment detection field, more particularly to a kind of testing agency and detection side for liquid-transfering sucker
Method.
Background technology
Pipette measures formula instrument as one kind, is mainly used to measure the volume that it releases solution.From structure, liquid relief
The suction nozzle that tube body is connected with body is Split type structure, i.e., suction nozzle is replaceable structure, each in biology, chemistry, food, medical treatment etc.
In the experimental study of industry, liquid-transfering sucker is one of experiment consumptive material of frequency of use highest and consumption maximum.As a kind of extensive
For the experiment equipment of all kinds of accurate measurement occasions in laboratory, qualified liquid-transfering sucker requires port impulse- free robustness, suction nozzle surface
Bright and clean smooth, adhesional wetting property is small, and to avoid liquid from staying error caused by outer wall, while the port of liquid-transfering sucker and tube wall size all need
Design requirement strictly is pressed, has ensured the precision and accuracy of imbibition, has avoided the presence of each trickle error in dipping, have ensured that detection
As a result it is accurate and reliable.
Because suction nozzle is substantially firmly crisp for the tubing of raw material extrusion with polyethylene or polytetrafluoroethylene (PTFE) etc., simultaneously because
Need to be processed by all kinds of mechanical and each procedure in production process, current knife is cut or sawing plant equipment can not be complete
Realize and reach it is accurate it is straight, port is smooth, without the harsh technical requirements such as chip, impulse- free robustness, even tube wall, so as to be difficult to ensure that
All liquid-transfering suckers produced all meet product design specification (PDS).Therefore the liquid relief to being finally completed by each road production process
Suction nozzle product carries out quality inspection into a cumbersome and essential step.
In existing detection, essentially by manually being detected, i.e., testing staff holds suction nozzle, passes through people's outlook under light illumination
Do not detected, existing detection has following deficiency：(1) single suction nozzle is independently detected so that operating efficiency is low；(2)
Testing staff is identified by holding with a hand suction nozzle, although protection equipment (such as protective gloves) is worn, in long-term work shape
Under state, easily forget and wear protection equipment so that both hands directly contact suction nozzle, are inhaled so as to infect on bacterium, or even suction nozzle
Enclose dust etc.；(3) requirement of suction nozzle precision is high, and the scope of eye recognition is small, can only visually see suction nozzle outer face
Burr or breakage etc., can not recognize the tiny burr of suction nozzle end, the inside/outside diameter size of end and the perpendicularity of suction nozzle etc., from
And make it that detection range is small, can not meet demand.
On the basis of existing technology, it is imperative, inspection of the prior art to replace manual inspection using automatic detection
In measurement equipment, due to the limitation of structure setting, the suction nozzle of detection is substantially conventional arrangement of standard, right to be easy to operate
In image collecting device (such as camera), the concentric reducer detection same multiplication factor of generally use of suction nozzle, the mesh so set
Be to improve the convenience that uses of operator, without the adjustment for carrying out focal length.Therefore, when the length dimension of suction nozzle exceeds conventional detection
Standard when, if concentric reducer is detected by positioning twice, that is, detect microcephaly when, by microcephaly be placed in top, detect major part when,
After suction nozzle is exchanged, major part be placed in top, so in the presence of it is following the defects of：(1) position twice, suction nozzle it is front and rear twice
In positioning, there is error in the positioning such as perpendicularity, center of circle, and then carry out second order error to the detection band of suction nozzle, substantially reduce suction nozzle inspection
The precision of survey；Therefore, if concentric reducer by one-time positioning using being detected, the upper end imaging of suction nozzle is normal, but under suction nozzle
End is due to the limitation of image collecting device multiplication factor, and the image of collection is substantially unintelligible, therefore, by whole to detection device
Body structure is improved to realize the detection of all size suction nozzle, mainly the multiple to image collecting device and big with suction nozzle
Microcephaly's relative altitude is matched, and such improvement can cause the structural relation of equipment to re-start setting, and cost is big, be unfavorable for
The rational utilization of detection device.In summary, the more difficult completion suction nozzle concentric reducer of the detection device of prior art passes through once fixed
The detection that position is carried out, to ensure the required precision of suction nozzle detection.
The content of the invention
The present invention is directed to deficiency of the prior art, there is provided a kind of testing agency for liquid-transfering sucker, it is simple in construction, from
Dynamicization detects, and is applicable to the detection of the suction nozzle of all size, and greatly improve accuracy of detection.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：
A kind of testing agency for liquid-transfering sucker, including：
Positioning seat, for supporting and positioning at least one liquid-transfering sucker；
Detection platform, the positioning seat are arranged in detection platform；
Imaging device, the lower end for liquid-transfering sucker are imaged, and the imaging device includes reflection subassembly and for propping up
Support the support meanss of reflection subassembly.
Preferably, the reflection subassembly includes the first speculum and the second speculum；
First speculum, the primary event for suction nozzle image；
Second speculum, the secondary reflection for suction nozzle image.
Preferably, the bottom of the positioning seat is arranged to transmittance section one, and the covering of transmittance section one is located at the positioning seat
On whole liquid-transfering suckers lower end, the transmittance section one is arranged on the surface of the first speculum.
Preferably, the detection platform is provided with transmittance section two, and the covering of transmittance section two is on the positioning seat
The lower end of whole liquid-transfering suckers；
The detection platform is provided with transmittance section three, whole of the covering of transmittance section three on second speculum
Suction nozzle image.
The transmittance section two is arranged on the surface of the first speculum；
The transmittance section three is arranged on the surface of the second speculum.
Preferably, the support meanss are arranged on the lower section of detection platform, and the support meanss are fixed with detection platform to be connected
Connect.
Preferably, the support meanss are arranged on the lower section of detection platform, and the support meanss are fixedly connected with support base.
Preferably, the support meanss are provided with transmittance section four, and the transmittance section four is disposed over being located at the positioning
The lower end of at least one liquid-transfering sucker on seat；
The support meanss are provided with transmittance section five, and the transmittance section five is disposed on second speculum
At least one suction nozzle image.
The transmittance section four is arranged on the surface of the first speculum；
The transmittance section five is arranged on the surface of the second speculum.
Preferably, the imaging device is formed with the imaging band being imaged for suction nozzle image, image collecting device
The suction nozzle image formed by the imaging band to the lower end of suction nozzle is acquired.
Preferably, the imaging band includes：
Passage one, the passage one are formed by the path between the speculum of transmittance section one to the first；
Passage two, the passage two are formed by the first speculum to the path between the second speculum；
Passage three, the passage three are formed by the second speculum to the path between transmittance section three.
A kind of detection method for liquid-transfering sucker, the liquid-transfering sucker is arranged at the top of image transmission, described
Liquid-transfering sucker can follow detection platform to move, including the steps：
The image of liquid-transfering sucker upper end is obtained by image collecting device；
Movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end figure by image transmission
Picture.
Preferably, described image transmitting device is formed by imaging band, the step movable detecting platform to setting position,
Image collecting device obtains liquid-transfering sucker lower end image by image transmission, specifically includes：
Movable detecting platform is to setting position so that liquid-transfering sucker lower end passes through imaging band one and forms the first reflectogram
Picture；
Imaging band two carries out reflecting to form the second reflected image to the first reflected image；
Image collecting device obtains second reflected image by passage three.
The present invention obtains following beneficial effect：
Imaging device of the present invention, it is imaged for suction nozzle lower end, critical field can be exceeded to length by one-time positioning
Suction nozzle detected, and can batch detection, greatly improve liquid-transfering sucker detection precision and detection efficiency；Provided with the imaging
The testing agency of device, the suction nozzle image of suction nozzle lower end, the reflection that suction nozzle image passes through imaging device are obtained by imaging device
Image is reflexed to image collecting device by component, only in the lower section of detection platform the imaging device need to be set to complete to difference
The detection of the liquid-transfering sucker of length specification, substitute and complete the shifting of different length by adjusting the imaging magnification of image collecting device
The detection of liquid suction nozzle, it is simple in construction, and provide facility to operator.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation one of testing agency's embodiment one for liquid-transfering sucker of the invention；
Fig. 2 is a kind of structural representation two of testing agency's embodiment one for liquid-transfering sucker of the invention；
Fig. 3 is a kind of structural representation one of testing agency's embodiment two for liquid-transfering sucker of the invention；
Fig. 4 is a kind of structural representation two of testing agency's embodiment two for liquid-transfering sucker of the invention；
Fig. 5 is a kind of structural representation three of testing agency's embodiment one for liquid-transfering sucker of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of without creative work, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " top ",
The orientation or position relationship of the instruction such as " bottom " " interior ", " outer " are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under "
Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special
Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of
Fisrt feature level height is less than second feature.
Unless otherwise defined, technical term or scientific terminology used herein should be in art of the present invention and had
The ordinary meaning that the personage of general technical ability is understood.Used in present patent application specification and claims " the
One ", " second " and similar word are not offered as any order, quantity or importance, and are used only to distinguish different
Part.Equally, the similar word such as "one" or " one " does not indicate that quantity limits yet, but represents to exist at least one.
Embodiment one：
As embodiments of the invention, as shown in figure 1, a kind of testing agency for liquid-transfering sucker 4, including positioning seat 1,
Detection platform 2 and imaging device 3, wherein positioning seat 1 are arranged in detection platform 2, can set integral knot with detection platform 2
Structure, i.e. a part of the positioning seat 1 as detection platform 2, it is set directly at the top of detection platform 2；Positioning seat 1, which can also be, to be passed through
Positioner is arranged in detection platform 2, i.e., positioning seat 1 is arranged to Split type structure with detection platform 2, and positioning seat 1 is to be used for branch
Support and position liquid-transfering sucker 4, ensure the stability that liquid-transfering sucker 4 is placed, inspection of the excellent finger of the present embodiment to batch liquid-transfering sucker 4
Survey, the detection of certain single liquid-transfering sucker 4, also in the range of the present embodiment, support some liquid reliefs to inhale by positioning seat 1
First 4, the efficiency of detection can be greatly improved.In as shown in Figure 1, the small end of liquid-transfering sucker is head-up placed greatly towards lower placement,
As shown in figure 5, liquid-transfering sucker can also be that small end is placed upward, place upside down greatly, generally select and place upside down greatly, to protect
Demonstrate,prove the stability placed.The mode that liquid-transfering sucker is placed is equally applicable to the embodiment of whole of the invention.
According to an embodiment of the invention, the liquid-transfering sucker 4 on positioning seat 1, passes through the imaging device of the present embodiment
3, the lower end for being mainly used in liquid-transfering sucker 4 is imaged, and the imaging device 3 of the present embodiment is imaged by reflection subassembly, and
Reflection subassembly is supported by support meanss 31, in this embodiment, support meanss 31 are arranged on the lower section of detection platform 2, and support dress
Put 31 to be fixedly connected with detection platform 2, i.e., imaging device 3 can relative support seat as entirety with detection platform 2 and positioning seat 1
5 are moved horizontally along X and Y-axis, i.e., horizontal regulation, the present embodiment liquid-transfering sucker 4 are realized along front, rear, left and right four direction
The drive mechanism (not shown) that is moved through be driven, drive detection platform 2 and imaging device 3 and positioning seat 1 to make
Moved for entirety along X or Y-direction, to adjust liquid-transfering sucker 4 along X or the position of Y direction, to ensure the energy of image collecting device 6
Clearly image is collected, adjusting position is accurate, and efficiency high, to realize automatic detection, can effectively improve the precision of detection,
And it is easy to operate, also greatly improve the operating efficiency and detection quality of detection.
According to an embodiment of the invention, reflection subassembly mainly by speculum group into, it may include multiple speculums, in this reality
Example is applied, including multiple speculums are also to be arranged in pairs in the protection domain of the present embodiment, basic upper reflector, such as set two,
Four are set, sets six etc., to simplify structure, the situation that preferred emission component includes two speculums illustrates, and reflects
Component includes the first speculum 32 and the second speculum 33, and the first speculum 32, the suction nozzle image for suction nozzle lower end is once
Reflection, the second speculum 33, for the secondary reflection of suction nozzle image, i.e., the suction nozzle image of suction nozzle lower end after primary event
The image formed in first speculum 32, then secondary reflection, the collection of image collecting device 6 second are carried out by the second speculum 33
The suction nozzle image of the formation of speculum 33, realize the collection to the lower end image of liquid-transfering sucker 4.
According to an embodiment of the invention, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, the bottom of positioning seat 1
Transmittance section 1 is provided with, whole liquid-transfering suckers 4 on positioning seat 1 can be completely covered in the transmittance section 1 of the present embodiment
Lower end, i.e. all liquid-transfering suckers 4 of the covering on positioning seat 1, transmittance section 1 can be arranged to and the lower end one of liquid-transfering sucker 4
One through hole being correspondingly arranged, the size of transmittance section 1 can be for the lower ends of liquid-transfering sucker 4 completely through can also be by positioning seat 1
Bottom, i.e., from the lower end of liquid-transfering sucker 4 toward lower part, transparent configuration is all arranged to, can also be that whole positioning seat 1 is arranged to
Transparent configuration, the transmittance section 1 of the present embodiment is all formed, in position, transmittance section 1 is being arranged on the first speculum 32 just
Top, it can be imaged with will pass through the image of the suction nozzle lower end of transmittance section 1 on the first speculum 32.
According to an embodiment of the invention, similarly, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, detection platform
2 are provided with transmittance section 2 21, the lower end of whole liquid-transfering suckers 4 of the covering of transmittance section 2 21 on the positioning seat 1；This implementation
The lower end of whole liquid-transfering suckers 4 on positioning seat 1 can be completely covered in the transmittance section 2 21 of example, i.e. covering is located at positioning seat 1
On all liquid-transfering suckers 4, transmittance section 2 21 can be arranged to the lower end of liquid-transfering sucker 4 correspond set through hole, printing opacity
The size in portion 2 21 can be for the lower end of liquid-transfering sucker 4 completely through can also be complete by the part of detection platform 2 corresponding to liquid-transfering sucker 4
Portion is arranged to transparent configuration, can also be that whole detection platform 2 is arranged to transparent configuration, all forms the transmittance section of the present embodiment
2 21, in position, transmittance section 2 21 is arranged on the surface of the first speculum 32, will pass through under the suction nozzle of transmittance section 2 21
The image at end can be imaged on the first speculum 32.
According to an embodiment of the invention, similarly, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, support meanss
31 are provided with transmittance section 4 34, and in the present embodiment, transmittance section 4 34 sets the whole shiftings that can be completely covered on positioning seat 1
The lower end of liquid suction nozzle 4, i.e. all liquid-transfering suckers 4 of the covering on positioning seat 1, transmittance section 4 34 can be arranged to inhale with liquid relief
First 4 lower end corresponds the through hole set, and the size of transmittance section 4 34 can be for the lower end of liquid-transfering sucker 4 completely through can also will
The part of support meanss 31 is all arranged to transparent configuration corresponding to liquid-transfering sucker 4, can also be that whole support meanss 31 are set
Into transparent configuration, the transmittance section 4 34 of the present embodiment is all formed, in position, transmittance section 4 34 is arranged on the first speculum 32
Surface, it can be imaged with will pass through the image of the suction nozzle lower end of transmittance section 4 34 on the first speculum 32.
By setting transmittance section 1 on positioning seat 1, transmittance section 2 21 is set, in support meanss 31 in detection platform 2
Transmittance section 4 34 is set, and when liquid-transfering sucker 4 is positioned on positioning seat 1, the lower end of liquid-transfering sucker 4 passes through transmittance section 1, printing opacity
Portion 2 21 and transmittance section 4 34 reflect to form suction nozzle image on the first speculum 3211.
According to an embodiment of the invention, detection platform 2 is provided with transmittance section 3 22, the suction reflected by the second speculum 33
Head image, image collecting device 6 are acquired by transmittance section 3 22, and the transmittance section 3 22 of the present embodiment can be completely covered second
Whole suction nozzle images on speculum 33, transmittance section 2 21 can be arranged to correspond the through hole set with suction nozzle image, thoroughly
The size in light portion 2 21 can be for the lower end of liquid-transfering sucker 4 completely through can also be by the part of detection platform 2 corresponding to liquid-transfering sucker 4
It is arranged to transparent configuration, can also be that whole detection platform 2 is arranged to transparent configuration, all form the transmittance section two of the present embodiment
21, in position, transmittance section 3 22 is arranged on the surface of the second speculum 33, so that image collecting device 6 passes through transmittance section
Suction nozzle image on 3 22 the second speculums 33 of collection.
According to an embodiment of the invention, support meanss 31 are provided with transmittance section 5 35, are reflected by the second speculum 33
Suction nozzle image, image collecting device 6 are acquired by transmittance section 5 35, and the transmittance section 5 35 of the present embodiment can be completely covered
Whole suction nozzle images on two-mirror 33, transmittance section 5 35 can be arranged to correspond the through hole set with suction nozzle image,
The size of transmittance section 5 35 can be for the lower end of liquid-transfering sucker 4 completely through can also be by detection platform 2 corresponding to liquid-transfering sucker 4
Set up separately and be set to transparent configuration, can also be that whole detection platform 2 is arranged to transparent configuration, all form the transmittance section of the present embodiment
5 35, in position, transmittance section 5 35 is arranged on the surface of the second speculum 33, so that image collecting device 6 passes through printing opacity
Portion 5 35 gathers the suction nozzle image on the second speculum 33.
When image collecting device 6 is located at the second 33 top of speculum, by adjusting image collecting device 6 vertically
Highly so that the suction nozzle image formed on the second speculum 33, in the focal range of image collecting device 6, IMAQ
Device 6 gathers the suction nozzle image by transmittance section 3 22 and transmittance section 5 35.
According to an embodiment of the invention, imaging device 3 is formed with the imaging band being imaged for suction nozzle image, image
The suction nozzle image that harvester 6 is formed by the imaging band to the lower end of suction nozzle is acquired, due to the support of the present embodiment
Device 31 and imaging device 3 are arranged on the lower section of detection platform 2, and the imaging band of the present embodiment mainly includes passage 1, led to
The transmittance section 1 of the self-positioning seat 1 of road 2 37 and passage 3 38, wherein passage 1 through transmittance section 2 21 and transmittance section 4 34 to
Path between first speculum 32 is formed, and passage 2 37 is by the path shape between the speculum 33 of the first speculum 32 to the second
Into；Passage 3 38 by the second speculum 33 to support meanss 31 transmittance section 5 35 and after testing the transmittance section 3 22 of platform 2 it
Between path formed, the lower end of liquid-transfering sucker 4 forms suction nozzle image by passage 1 on the first speculum 32, then by logical
Road 2 37 forms equivalent suction nozzle image on the second speculum 33, and then image collecting device 6 gathers position by passage 3 38
Suction nozzle image on the second speculum 33, to realize the imaging of the suction nozzle image formed to suction nozzle lower end.
By above-mentioned testing agency, a kind of detection method for liquid-transfering sucker, wherein liquid-transfering sucker is arranged at image
The top of transmitting device, the liquid-transfering sucker can follow detection platform to move, including the steps：
The image of liquid-transfering sucker upper end is obtained by image collecting device；
Movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end figure by image transmission
Picture.
According to an embodiment of the invention, the image transmission of the present embodiment is formed by imaging band, mobile inspection in step
Platform to setting position, image collecting device is surveyed to obtain liquid-transfering sucker lower end image by image transmission, specifically include：
Movable detecting platform is to setting position so that liquid-transfering sucker lower end passes through imaging band one and forms the first reflectogram
Picture；
Imaging band two carries out reflecting to form the second reflected image to the first reflected image；
Image collecting device obtains second reflected image by passage three.
In the present embodiment, as shown in figure 1, testing agency for suction nozzle, liquid-transfering sucker 4 carry out one-time positioning, regulation
The horizontal direction of detection platform 2, is moved along X or Y-direction, to adjust the position of liquid-transfering sucker 4 so that the upper end of liquid-transfering sucker 4
Image be directly acquired by image collecting device 6, in the situation for the upper following (carrying out secondary positioning) for not exchanging suction nozzle
Under, the lower end of liquid-transfering sucker 4 is implemented as picture by imaging device 3, imaging clearly, and simple in construction, can be right by one-time positioning
Length is detected beyond the suction nozzle of critical field, greatly improves the precision of the detection of liquid-transfering sucker 4.For under liquid-transfering sucker 4
End, as shown in Fig. 2 the horizontal direction of regulation detection platform 2, is moved, movable detecting platform to setting position along X or Y-direction,
To adjust the position of the lower end of liquid-transfering sucker 4, the suction nozzle image of suction nozzle lower end is obtained by imaging device 3 so that under liquid-transfering sucker
End forms the first reflected image by imaging band one, and suction nozzle image is by the first speculum 32 and the second speculum 33 by image
Reflex on the second speculum 33, at this moment by adjusting detection platform 2, the second reflected image for will being formed on the second speculum 33
The underface of image collecting device 6 is adjusted to, then adjusts the height of image collecting device 6 vertically so that second is anti-
Penetrate the second reflected image on mirror 33 to be located in the focal range of image collecting device 6, image collecting device 6 can pass through passage
Second reflected image (suction nozzle image) of 3 38 collections on the second speculum 33, suction nozzle image is along passage 3 38 and by saturating
Light portion 5 35 and transmittance section 3 22 reach image collecting device 6, and image collecting device 6 gathers the second reflected image (suction nozzle figure
Picture), that is, complete image collecting device 6 and the image of suction nozzle lower end is imaged, when in use, without by adjusting IMAQ
The imaging magnification of device 6 completes the detection of the liquid-transfering sucker 4 of different length, can be completed to suction nozzle lower end by automated programming
Image collection, it is simple in construction, give operator to provide facility, and the inspection to the liquid-transfering sucker 4 of different length specification can be realized
Survey.In the present embodiment, because transmittance section 1 to transmittance section 5 35 is arranged to that the lower end of liquid-transfering sucker 4 or lower end is completely covered
By the suction nozzle image reflected to form, when some suction nozzle framing are when on positioning seat 1, the level of detection platform 2 is adjusted
Direction, moved along X or Y-direction, to adjust the position of liquid-transfering sucker 4, to ensure that image collecting device 63 can collect suction nozzle
Image lower end clearly suction nozzle image, completes the collection of the image to the lower end of liquid-transfering sucker 4, realizes the inspection of the lower end of liquid-transfering sucker 4
Survey.
Embodiment two：
As embodiments of the invention, as shown in figure 3, a kind of testing agency for liquid-transfering sucker 4, including positioning seat 1,
Detection platform 2 and imaging device 3, wherein positioning seat 1 are arranged in detection platform 2, can set integral knot with detection platform 2
Structure, i.e. a part of the positioning seat 1 as detection platform 2, it is set directly at the top of detection platform 2；Positioning seat 1, which can also be, to be passed through
Positioner is arranged in detection platform 2, i.e., positioning seat 1 is arranged to Split type structure with detection platform 2, and positioning seat 1 is to be used for branch
Support and position liquid-transfering sucker 4, ensure the stability that liquid-transfering sucker 4 is placed, inspection of the excellent finger of the present embodiment to batch liquid-transfering sucker 4
Survey, the detection of certain single liquid-transfering sucker 4, also in the range of the present embodiment, support some liquid reliefs to inhale by positioning seat 1
First 4, the efficiency of detection can be greatly improved.
According to an embodiment of the invention, the liquid-transfering sucker 4 on positioning seat 1, passes through the imaging device of the present embodiment
3, the lower end for being mainly used in liquid-transfering sucker 4 is imaged, and the imaging device 3 of the present embodiment is imaged by reflection subassembly, and
Reflection subassembly is supported by support meanss 31, in this embodiment, support meanss 31 are arranged on the lower section of detection platform 2, and support dress
Put 31 to be fixedly connected with support base 5, i.e., detection platform 2 can relative imaging device 3 and support base 5 as entirety with positioning seat 1
Overall structure is moved horizontally along X and Y-axis, i.e., horizontal regulation is realized along front, rear, left and right four direction, and the present embodiment moves
The drive mechanism (not shown) that is moved through of liquid suction nozzle 4 is driven, and drives detection platform 2 and positioning seat 1 as overall
Moved along X or Y-direction, to adjust liquid-transfering sucker 4 along X or the position of Y direction, to ensure that image collecting device 6 can collect
Clearly image, adjusting position is accurate, and efficiency high, to realize automatic detection, can effectively improve the precision of detection, and operate
It is convenient, also greatly improve the operating efficiency and detection quality of detection.
According to an embodiment of the invention, reflection subassembly mainly by speculum group into, it may include multiple speculums, in this reality
Example is applied, including multiple speculums are also to be arranged in pairs in the protection domain of the present embodiment, basic upper reflector, such as set two,
Four are set, sets six etc., to simplify structure, the situation that preferred emission component includes two speculums illustrates, and reflects
Component includes the first speculum 32 and the second speculum 33, and the first speculum 32, the suction nozzle image for suction nozzle lower end is once
Reflection, the second speculum 33, for the secondary reflection of suction nozzle image, i.e., the suction nozzle image of suction nozzle lower end after primary event
The image formed in first speculum 32, then secondary reflection, the collection of image collecting device 6 second are carried out by the second speculum 33
The suction nozzle image of the formation of speculum 33, realize the collection to the lower end image of liquid-transfering sucker 4.
According to an embodiment of the invention, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, the bottom of positioning seat 1
Transmittance section 1 is provided with, whole liquid-transfering suckers 4 on positioning seat 1 can be completely covered in the transmittance section 1 of the present embodiment
Lower end, i.e. all liquid-transfering suckers 4 of the covering on positioning seat 1, transmittance section 1 can be arranged to and the lower end one of liquid-transfering sucker 4
One through hole being correspondingly arranged, the size of transmittance section 1 can be for the lower ends of liquid-transfering sucker 4 completely through can also be by positioning seat 1
Bottom, i.e., from the lower end of liquid-transfering sucker 4 toward lower part, transparent configuration is all arranged to, can also be that whole positioning seat 1 is arranged to
Transparent configuration, the transmittance section 1 of the present embodiment is all formed, in position, transmittance section 1 is being arranged on the first speculum 32 just
Top, it can be imaged with will pass through the image of the suction nozzle lower end of transmittance section 1 on the first speculum 32.
According to an embodiment of the invention, similarly, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, detection platform
2 are provided with transmittance section 2 21, the lower end of whole liquid-transfering suckers 4 of the covering of transmittance section 2 21 on the positioning seat 1；This implementation
The lower end of whole liquid-transfering suckers 4 on positioning seat 1 can be completely covered in the transmittance section 2 21 of example, i.e. covering is located at positioning seat 1
On all liquid-transfering suckers 4, transmittance section 2 21 can be arranged to the lower end of liquid-transfering sucker 4 correspond set through hole, printing opacity
The size in portion 2 21 can be for the lower end of liquid-transfering sucker 4 completely through can also be complete by the part of detection platform 2 corresponding to liquid-transfering sucker 4
Portion is arranged to transparent configuration, can also be that whole detection platform 2 is arranged to transparent configuration, all forms the transmittance section of the present embodiment
2 21, in position, transmittance section 2 21 is arranged on the surface of the first speculum 32, will pass through under the suction nozzle of transmittance section 2 21
The image at end can be imaged on the first speculum 32.
According to an embodiment of the invention, similarly, for ease of the imaging of the lower end of liquid-transfering sucker 4 on positioning seat 1, support meanss
31 are provided with transmittance section 4 34, and in the present embodiment, the liquid relief that transmittance section 4 34 is disposed on positioning seat 1 is inhaled
First 4 lower end, transmittance section 4 34 can be arranged to and the lower end size of liquid-transfering sucker 4 just corresponding through hole, transmittance section 4 34
Size can be for one of lower end of liquid-transfering sucker 4 completely through in position, transmittance section 4 34 is arranged on the first speculum 32
Surface, can be imaged with will pass through the image of the suction nozzle lower end of transmittance section 4 34 on the first speculum 32.
By setting transmittance section 1 on positioning seat 1, transmittance section 2 21 is set, in support meanss 31 in detection platform 2
Transmittance section 4 34 is set, and when liquid-transfering sucker 4 is positioned on positioning seat 1, the lower end of liquid-transfering sucker 4 passes through transmittance section 1, printing opacity
Portion 2 21 and transmittance section 4 34 reflect to form suction nozzle image on the first speculum 3211.
According to an embodiment of the invention, detection platform 2 is provided with transmittance section 3 22, the suction reflected by the second speculum 33
Head image, image collecting device 6 are acquired by transmittance section 3 22, and the transmittance section 3 22 of the present embodiment can be completely covered second
Whole suction nozzle images on speculum 33, transmittance section 2 21 can be arranged to correspond the through hole set with suction nozzle image, thoroughly
The size in light portion 2 21 can be for the lower end of liquid-transfering sucker 4 completely through can also be by the part of detection platform 2 corresponding to liquid-transfering sucker 4
It is arranged to transparent configuration, can also be that whole detection platform 2 is arranged to transparent configuration, all form the transmittance section two of the present embodiment
21, in position, transmittance section 3 22 is arranged on the surface of the second speculum 33, so that image collecting device 6 passes through transmittance section
Suction nozzle image on 3 22 the second speculums 33 of collection.
According to an embodiment of the invention, support meanss 31 are provided with transmittance section 5 35, are reflected by the second speculum 33
Suction nozzle image, image collecting device 6 are acquired by transmittance section 5 35, and in the present embodiment, transmittance section 4 34 is arranged to cover
Lid by the suction nozzle image that reflects to form on the second speculum 33 (in the present embodiment, the suction nozzle that is formed on the second speculum 33
Image is one), transmittance section 4 34 can be arranged to suction nozzle image size just corresponding through hole, transmittance section 4 34 it is big
It is small to supply one of suction nozzle image lower end completely through in position, transmittance section 5 35 is being arranged on the second speculum 33 just
Top, so that image collecting device 6 passes through the suction nozzle image on second speculum 33 of the collection of transmittance section 5 35.
When image collecting device 6 is located at the second 33 top of speculum, by adjusting image collecting device 6 vertically
Highly so that the suction nozzle image formed on the second speculum 33, in the focal range of image collecting device 6, IMAQ
Device 6 gathers the suction nozzle image by transmittance section 3 22 and transmittance section 5 35.
According to an embodiment of the invention, imaging device 3 is formed with the imaging band being imaged for suction nozzle image, image
The suction nozzle image that harvester 6 is formed by the imaging band to the lower end of suction nozzle is acquired, due to the support of the present embodiment
Device 31 and imaging device 3 are arranged on the lower section of detection platform 2, and the imaging band of the present embodiment mainly includes passage 1, led to
The transmittance section 1 of the self-positioning seat 1 of road 2 37 and passage 3 38, wherein passage 1 through transmittance section 2 21 and transmittance section 4 34 to
Path between first speculum 32 is formed, and passage 2 37 is by the path shape between the speculum 33 of the first speculum 32 to the second
Into；Passage 3 38 by the second speculum 33 to support meanss 31 transmittance section 5 35 and after testing the transmittance section 3 22 of platform 2 it
Between path formed, the lower end of liquid-transfering sucker 4 forms suction nozzle image by passage 1 on the first speculum 32, then by logical
Road 2 37 forms equivalent suction nozzle image on the second speculum 33, and then image collecting device 6 gathers position by passage 3 38
Suction nozzle image on the second speculum 33, to realize the imaging of the suction nozzle image formed to suction nozzle lower end.
By above-mentioned testing agency, a kind of detection method for liquid-transfering sucker, wherein liquid-transfering sucker is arranged at image
The top of transmitting device, the liquid-transfering sucker can follow detection platform to move, including the steps：
The image of liquid-transfering sucker upper end is obtained by image collecting device；
Movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end figure by image transmission
Picture.
According to an embodiment of the invention, the image transmission of the present embodiment is formed by imaging band, mobile inspection in step
Platform to setting position, image collecting device is surveyed to obtain liquid-transfering sucker lower end image by image transmission, specifically include：
Movable detecting platform is to setting position so that liquid-transfering sucker lower end passes through imaging band one and forms the first reflectogram
Picture；
Imaging band two carries out reflecting to form the second reflected image to the first reflected image；
Image collecting device obtains second reflected image by passage three.
In the present embodiment, as shown in figure 3, testing agency for suction nozzle, liquid-transfering sucker 4 carry out one-time positioning, regulation
The horizontal direction of detection platform 2, is moved along X or Y-direction, to adjust the position of liquid-transfering sucker 4 so that the upper end of liquid-transfering sucker 4
Image be directly acquired by image collecting device 6, in the situation for the upper following (carrying out secondary positioning) for not exchanging suction nozzle
Under, the lower end of liquid-transfering sucker 4 is implemented as picture by imaging device 3, imaging clearly, and simple in construction, can be right by one-time positioning
Length is detected beyond the suction nozzle of critical field, greatly improves the precision of the detection of liquid-transfering sucker 4.For under liquid-transfering sucker 4
End, as shown in figure 4, the horizontal direction of regulation detection platform 2, is moved, movable detecting platform to setting position along X or Y-direction,
To adjust the position of the lower end of liquid-transfering sucker 4, the suction nozzle image of suction nozzle lower end is obtained by imaging device 3 so that under liquid-transfering sucker
End forms the first reflected image by imaging band one, and suction nozzle image is by the first speculum 32 and the second speculum 33 by image
Reflex on the second speculum 33, at this moment by adjusting detection platform 2, the second reflected image for will being formed on the second speculum 33
(suction nozzle image) is adjusted to the underface of image collecting device 6, then adjusts the height of image collecting device 6 vertically,
So that the second reflected image (suction nozzle image) on the second speculum 33 is located in the focal range of image collecting device 6, image
Harvester 6 can gather the second reflected image (suction nozzle image) on the second speculum 33 by passage 3 38, and second
Reflected image (suction nozzle image) reaches image collecting device 6 along passage 3 38 and by transmittance section 5 35 and transmittance section 3 22, figure
As the collection of harvester 6 second reflected image (suction nozzle image), that is, complete image collecting device 6 and the image of suction nozzle lower end is entered
Row imaging, when in use, the liquid-transfering sucker 4 of different length is completed without by adjusting the imaging magnification of image collecting device 6
Detection, the collection of the image to suction nozzle lower end can be completed by automated programming, it is simple in construction, give operator provide facility,
And the detection to the liquid-transfering sucker 4 of different length specification can be realized.In the present embodiment, due to transmittance section 4 34 and transmittance section five
35 are arranged to the through hole adaptable with one of size of liquid-transfering sucker 4, when some suction nozzle framing are on positioning seat 1
When, adjust the horizontal direction of detection platform 2, moved along X or Y-direction, to adjust the position of liquid-transfering sucker 4, liquid-transfering sucker 4 by
Individual to form suction nozzle image on the first speculum 32 and the second speculum 33 by transmittance section 4 34, suction nozzle image passes through printing opacity five
Pass sequentially through image collecting device 63 to gather, and suction nozzle image lower end clearly image can be collected, complete under liquid-transfering sucker 4
The collection of the image at end, and the detection to the liquid-transfering sucker 4 of different length specification can be realized.In the present embodiment, the first speculum
32 and second speculum 33 can be arranged to the scope that can be imaged for one of lower end of liquid-transfering sucker 4, relative to embodiment
One so that overall structure is simple, because the first speculum 32 and the structure of the second speculum 33 are smaller, therefore overall imaging device 3
Structure greatly simplifies, and is easy to the installation of imaging device 3.
The present embodiment obtains the image of liquid-transfering sucker port to be measured by image collecting device, and port image is handled
The size dimension of exit port burr is calculated with identification, detection process can be all automatically performed, and be not required to the experience by testing staff
To be judged, testing staff is avoided because ability level is uneven so that examination criteria can not caused by manual identified judges
The problem of quantization.The indexs such as the perpendicularity of liquid-transfering sucker to be measured and internal-and external diameter are also all dissolved into whole detection process simultaneously
Detected by computer self, follow-up digital independent and result judge automatically, it is entirely avoided in original testing process
The generation of all unavoidable manual operation error in each link is detected.Testing staff need to only input instructions and can complete
The detection of every quality index, the quick detection of the liquid-transfering sucker of factory's batch is effectively increased, substantially increases liquid-transfering sucker
Detection efficiency, while also ensure that the consistent of the detection quality of each batch liquid-transfering sucker.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.
In a word, presently preferred embodiments of the present invention, all equalizations made according to scope of the present invention patent be the foregoing is only
Change and modification, it should all belong to the covering scope of patent of the present invention.
Claims (10)
- A kind of 1. testing agency for liquid-transfering sucker, it is characterised in that including：Positioning seat, for supporting and positioning at least one liquid-transfering sucker；Detection platform, the positioning seat are arranged in detection platform；Imaging device, the lower end for liquid-transfering sucker are imaged, and the imaging device includes reflection subassembly and for supporting instead Penetrate the support meanss of component.
- 2. testing agency according to claim 1, it is characterised in that：The reflection subassembly includes the first speculum and second Speculum；First speculum, the primary event for suction nozzle image；Second speculum, the secondary reflection for suction nozzle image.
- 3. testing agency according to claim 2, it is characterised in that：The bottom of the positioning seat is arranged to transmittance section one, The lower end of whole liquid-transfering suckers of the covering of transmittance section one on the positioning seat, it is anti-that the transmittance section one is arranged on first Penetrate the surface of mirror.
- 4. testing agency according to claim 2, it is characterised in that：The detection platform is provided with transmittance section two, whole liquid-transfering suckers of the covering of transmittance section two on the positioning seat Lower end；The detection platform is provided with transmittance section three, whole suction nozzles of the covering of transmittance section three on second speculum Image.The transmittance section two is arranged on the surface of the first speculum；The transmittance section three is arranged on the surface of the second speculum.
- 5. testing agency according to claim 4, it is characterised in that：The support meanss are arranged under detection platform Side, the support meanss are fixedly connected with detection platform.
- 6. testing agency according to claim 4, it is characterised in that：The support meanss are arranged under detection platform Side, the support meanss are fixedly connected with support base.
- 7. the testing agency according to claim 5 or 6, it is characterised in that：The support meanss are provided with transmittance section four, and the transmittance section four is disposed at least one on the positioning seat The lower end of individual liquid-transfering sucker；The support meanss are provided with transmittance section five, and the transmittance section five is disposed on second speculum extremely A few suction nozzle image.The transmittance section four is arranged on the surface of the first speculum；The transmittance section five is arranged on the surface of the second speculum.
- 8. testing agency according to claim 7, it is characterised in that：The imaging device for suction nozzle image formed with entering The imaging band of row imaging, the suction nozzle image that image collecting device is formed by the imaging band to the lower end of suction nozzle are adopted Collection；The imaging band includes：Passage one, the passage one are formed by the path between the speculum of transmittance section one to the first；Passage two, the passage two are formed by the first speculum to the path between the second speculum；Passage three, the passage three are formed by the second speculum to the path between transmittance section three.
- 9. a kind of detection method for liquid-transfering sucker, the liquid-transfering sucker is arranged at the top of image transmission, the shifting Liquid suction nozzle can follow detection platform to move, including the steps：The image of liquid-transfering sucker upper end is obtained by image collecting device；Movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end image by image transmission.
- 10. detection method according to claim 9, it is characterised in that described image transmitting device is formed by imaging band, The step movable detecting platform to setting position, image collecting device obtains liquid-transfering sucker lower end figure by image transmission Picture, specifically include：Movable detecting platform is to setting position so that liquid-transfering sucker lower end passes through imaging band one and forms the first reflected image；Imaging band two carries out reflecting to form the second reflected image to the first reflected image；Image collecting device obtains second reflected image by passage three.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449719.7A CN107340305A (en) | 2017-06-14 | 2017-06-14 | A kind of testing agency and detection method for liquid-transfering sucker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449719.7A CN107340305A (en) | 2017-06-14 | 2017-06-14 | A kind of testing agency and detection method for liquid-transfering sucker |
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| CN107340305A true CN107340305A (en) | 2017-11-10 |
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| CN201710449719.7A Withdrawn CN107340305A (en) | 2017-06-14 | 2017-06-14 | A kind of testing agency and detection method for liquid-transfering sucker |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956632A (en) * | 2018-05-31 | 2018-12-07 | 嘉兴懿铄精密模具有限公司 | A kind of detection device for pipetting tip |
| CN108982480A (en) * | 2018-07-18 | 2018-12-11 | 武汉明德生物科技股份有限公司 | Chemical luminescence detection method and device, chemical illumination immunity analysis instrument, storage medium |
| CN110793917A (en) * | 2018-08-02 | 2020-02-14 | 宰体有限公司 | Slit light source and visual inspection device including the same |
| CN112585478A (en) * | 2018-08-28 | 2021-03-30 | 株式会社日立高新技术 | Automatic analyzer |
| CN113592775A (en) * | 2021-06-29 | 2021-11-02 | 深圳市锦瑞生物科技有限公司 | Sucker image processing method and device and sucker image processing equipment |
| CN114018943A (en) * | 2021-11-03 | 2022-02-08 | 美东汇成生命科技(昆山)有限公司 | Detection device for liquid transfer suction head |
-
2017
- 2017-06-14 CN CN201710449719.7A patent/CN107340305A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956632A (en) * | 2018-05-31 | 2018-12-07 | 嘉兴懿铄精密模具有限公司 | A kind of detection device for pipetting tip |
| CN108982480A (en) * | 2018-07-18 | 2018-12-11 | 武汉明德生物科技股份有限公司 | Chemical luminescence detection method and device, chemical illumination immunity analysis instrument, storage medium |
| CN110793917A (en) * | 2018-08-02 | 2020-02-14 | 宰体有限公司 | Slit light source and visual inspection device including the same |
| CN112585478A (en) * | 2018-08-28 | 2021-03-30 | 株式会社日立高新技术 | Automatic analyzer |
| CN112585478B (en) * | 2018-08-28 | 2024-03-29 | 株式会社日立高新技术 | Automatic analysis device |
| CN113592775A (en) * | 2021-06-29 | 2021-11-02 | 深圳市锦瑞生物科技有限公司 | Sucker image processing method and device and sucker image processing equipment |
| CN113592775B (en) * | 2021-06-29 | 2023-09-12 | 深圳市锦瑞生物科技股份有限公司 | Suction head image processing method and device and suction head image processing equipment |
| CN114018943A (en) * | 2021-11-03 | 2022-02-08 | 美东汇成生命科技(昆山)有限公司 | Detection device for liquid transfer suction head |
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