CN117907259A - Epoxy structural adhesive curing detection device and detection method - Google Patents
Epoxy structural adhesive curing detection device and detection method Download PDFInfo
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- CN117907259A CN117907259A CN202410318401.5A CN202410318401A CN117907259A CN 117907259 A CN117907259 A CN 117907259A CN 202410318401 A CN202410318401 A CN 202410318401A CN 117907259 A CN117907259 A CN 117907259A
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- 238000001514 detection method Methods 0.000 title claims abstract description 195
- 239000004593 Epoxy Substances 0.000 title claims abstract description 73
- 239000000853 adhesive Substances 0.000 title claims abstract description 68
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 claims abstract description 57
- 238000000576 coating method Methods 0.000 claims abstract description 57
- 239000000084 colloidal system Substances 0.000 claims abstract description 39
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 239000012752 auxiliary agent Substances 0.000 claims description 90
- 239000003795 chemical substances by application Substances 0.000 claims description 79
- 239000000758 substrate Substances 0.000 claims description 62
- 230000004888 barrier function Effects 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 238000001802 infusion Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 4
- 238000007711 solidification Methods 0.000 abstract description 13
- 230000008023 solidification Effects 0.000 abstract description 13
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 238000009776 industrial production Methods 0.000 abstract description 3
- 238000005070 sampling Methods 0.000 abstract description 3
- 125000003700 epoxy group Chemical group 0.000 description 9
- 239000003292 glue Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002671 adjuvant Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002637 fluid replacement therapy Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000105 evaporative light scattering detection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses an epoxy structural adhesive curing detection device and a detection method, and particularly comprises a detection base and a detection top cover; the detection base is provided with a detection station, an optical cavity is formed in the detection base, and a light hole is formed in the position, corresponding to the detection station, of the optical cavity; an infrared light emitting component is arranged in the optical cavity at a position corresponding to the light hole; the detection top cover is provided with a measuring unit; the detection top cap is installed mobile device towards the one end of detecting the base, and the mobile end of mobile device installs the coating device that has in advance the colloid. Through the arrangement, the time node of solidification start is recorded with the time of the movement end of the mobile device, the time node of solidification end is recorded with the intensity measured by the measuring unit, a manual detection scheme is replaced, the detection efficiency is guaranteed, the detection precision is improved, the data processing amount is reduced, the mass sampling detection in an industrial production scene is realized, and the advantages of high detection precision and high detection efficiency are achieved.
Description
Technical Field
The invention relates to the technical field of colloid curing detection, in particular to an epoxy structural colloid curing detection device and method.
Background
The colloid, also called glue, is an intermediate for connecting two materials, and comprises various types of epoxy structural glue, anaerobic glue, UV glue and the like. The epoxy structural adhesive is formed by mixing an epoxy resin agent and a curing agent, and after the epoxy resin agent and the curing agent are mixed, the mixture can be cured to form the epoxy structural adhesive along with the time. Before the epoxy structural adhesive leaves the factory, a curing time test is needed, namely, the curing time of the epoxy structural adhesive is determined, so that the epoxy structural adhesive can be cured within a specified time.
In the prior art, the standard for measuring whether the epoxy structural adhesive finishes curing mainly has two directions, firstly, the curing stage and the curing time of the epoxy structural adhesive are judged by means of manual touch, scraping and the like, the detection accuracy depends on staff, and the defects of insufficient detection accuracy, low efficiency and the like exist; secondly, the curing time of the epoxy structural adhesive is analyzed through infrared spectroscopy, the change of the epoxy structural adhesive in the curing process is subjected to spectroscopic analysis through an infrared spectrometer for laboratory equipment, particularly, the light intensity resin of the epoxy structural adhesive is obtained, then the epoxy structural adhesive is converted into a spectrogram through data processing, the curing time is judged through judging the change of the peak of the spectrogram, obviously, the epoxy structural adhesive needs a certain time to carry out data processing, is only suitable for a scene of trial production stage or laboratory analysis and detection, is not suitable for detection in actual mass production, and has the defect of low detection efficiency.
Therefore, it is necessary to design a curing detection apparatus applied to a factory production detection scene to improve the detection accuracy and detection efficiency of the colloid curing detection.
Disclosure of Invention
The invention aims to provide an epoxy structural adhesive curing detection device and method, which solve the technical problem that the curing detection method in the prior art is difficult to improve the detection precision and the detection efficiency at the same time during mass production.
To achieve the purpose, the invention adopts the following technical scheme:
an epoxy structural adhesive curing detection device comprises a detection base and a detection top cover capable of rotating relative to the detection base, wherein the detection top cover is configured with an open state and a closed state;
The detection base is provided with a detection station, the detection station is used for placing a transparent detection substrate, an optical cavity is formed in the detection base, and a light hole is formed in the position, corresponding to the detection station, of the optical cavity;
an infrared light emitting assembly is arranged in the optical cavity at a position corresponding to the light hole; the detection top cover is provided with a measurement unit which is used for detecting infrared light passing through the detection substrate and the colloid coated on the surface of the detection substrate;
A moving device is arranged at one end of the detection top cover, which faces the detection base, and a coating device with colloid pre-stored is arranged at the moving end of the moving device; when the detection top cover is in a closed state, the coating device can be driven by the moving end to pass through the detection substrate and is used for coating colloid on the detection substrate.
Optionally, the coating device comprises a main agent cavity and an auxiliary agent cavity which can rotate relatively, wherein the main agent cavity is communicated with a first runner, and the auxiliary agent cavity is communicated with a second runner;
The coating device further includes a rotating unit; the rotation unit is used for driving the main agent cavity to rotate relative to the auxiliary agent cavity so as to enable the first flow channel to be communicated with the second flow channel, or is used for driving the auxiliary agent cavity to rotate relative to the main agent cavity so as to enable the first flow channel to be communicated with the second flow channel.
Optionally, the coating device includes a spindle fixedly connected with the moving end; the main shaft is sleeved with a main agent cylinder, an auxiliary agent ring and an outer cylinder part in sequence by taking the axis of the main shaft as the center;
the main agent cylinder is fixedly connected with the main shaft and is provided with the main agent cavity;
The auxiliary agent ring is rotationally connected with the main agent cylinder, an auxiliary agent groove is formed on one side, far away from the main agent cylinder, of the auxiliary agent ring, and the auxiliary agent groove and the inner wall of the outer cylinder part are surrounded to form an auxiliary agent cavity;
The outer barrel part is fixedly connected with the movable end, and the auxiliary agent ring can rotate in the outer barrel part; the stator of the rotating unit is fixedly connected with the movable end, and the rotor of the rotating unit is fixedly connected with the auxiliary agent ring.
Optionally, the main agent barrel comprises a main inner ring part and a main outer ring part, and the main inner ring part is sleeved on the main shaft and is welded with the main shaft; the main agent cavity is formed between the main outer ring part and the main inner ring part.
Optionally, a plurality of groups of cavity parts are convexly arranged at one side of the auxiliary agent ring away from the main agent cylinder, and the plurality of groups of cavity parts are arranged at intervals along the circumferential direction of the auxiliary agent ring; an empty trough is formed between any two adjacent cavity parts;
the cavity part comprises a first barrier strip and a second barrier strip which are arranged at intervals, and the first barrier strip, the second barrier strip and the auxiliary agent ring are far away from the ring surface of the main agent cylinder and the inner wall of the outer cylinder part to form the auxiliary agent cavity.
Optionally, the outer cylinder part is provided with a coating port right below the main shaft; the first flow channel is positioned between the coating port and the spindle;
the coating opening is embedded with a flow guide piece, the flow guide piece is provided with a closed flow guide hole, and the flow guide hole can be opened after the auxiliary agent cavity is filled with liquid.
Optionally, a first fluid supplementing hole is formed above the main shaft in the main agent cavity;
the area between the coating port and the first flow channel is a flow guiding area, and outside the flow guiding area, the outer barrel part is provided with a second fluid supplementing hole which can be communicated with the auxiliary agent cavity.
Optionally, the diversion piece is provided with a liquid discharge groove below the diversion hole, and the liquid discharge groove is communicated with the diversion hole; the edge of the groove wall of the liquid discharge groove is outwards protruded to form a contact part which can be contacted with the detection substrate.
Optionally, the moving device comprises a motor, a driving wheel, a driven wheel and a synchronous belt which are arranged on the detection top cover;
the active cell of motor with action wheel fixed connection, the hold-in range cover is located outside action wheel and the follow driving wheel, just coating unit pass through the mount pad with hold-in range fixed connection.
The detection method is applied to the epoxy structural adhesive curing detection device, and comprises the following steps:
the colloid is stored in a coating device, and a detection substrate is placed in a detection station;
Rotating the detection top cover to a closed state;
the coating device is driven to pass through the detection substrate by the moving device, so that the coating device coats colloid on the detection substrate;
irradiating infrared light to the detection substrate, and detecting the infrared light passing through the detection substrate and the colloid coated on the surface of the detection substrate to obtain an infrared light intensity value;
and when the infrared light intensity value reaches a preset target value, obtaining a curing time value.
Compared with the prior art, the invention has the following beneficial effects:
According to the epoxy structural adhesive curing detection device and the epoxy structural adhesive curing detection method, when curing detection is carried out on epoxy structural adhesive, a transparent substrate is placed on a detection station, and then a detection top cover is in a closed state, so that a space with stable temperature and humidity is formed for curing adhesive; then, the coating device is driven by the moving device to pass through the detection substrate, so that the colloid pre-stored in the coating device is coated on the detection substrate; and then, the infrared light emitted by the infrared light emitting assembly sequentially passes through the light holes, the transparent substrate and the colloid and reaches the measuring unit, wherein the absorption capacity of the epoxy structural adhesive to the infrared light changes along with the curing of the epoxy structural adhesive, the infrared light intensity measured by the measuring unit also changes along with the curing of the epoxy structural adhesive, and when the infrared light intensity measured by the measuring unit reaches a target value, the time period from the completion of the coating of the colloid is recorded at the moment, so that the curing time is obtained. Through the arrangement, the time node of solidification start is recorded with the time of the movement end of the mobile device, the time node of solidification end is recorded with the intensity measured by the measuring unit, a manual detection scheme is replaced, the detection efficiency is guaranteed, the detection precision is improved, the data processing amount is reduced, the mass sampling detection in an industrial production scene is realized, and the advantages of high detection precision and high detection efficiency are achieved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the invention, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the invention, without affecting the effect or achievement of the objective.
Fig. 1 is a schematic structural diagram of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention in a closed state;
fig. 2 is a schematic structural diagram of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention in an open state;
Fig. 3 is a schematic diagram of a first partial structure of an epoxy structural adhesive curing detection device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a second partial structure of the epoxy structural adhesive curing detection device according to the embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of FIG. 4 taken along line A-A;
FIG. 6 is a schematic view of the enlarged partial structure of FIG. 5 at B;
Fig. 7 is a schematic cross-sectional structure diagram of an epoxy structural adhesive curing detection device according to an embodiment of the present invention.
Illustration of: 100. detecting a base; 101. detecting a substrate; 102. an optical cavity; 103. a light hole; 200. detecting the top cover; 300. an infrared light emitting assembly; 301. a turntable motor; 302. a turntable unit; 303. a light filter; 310. a measuring unit;
400. a mobile device; 410. a motor; 420. a driving wheel; 430. driven wheel; 440. a synchronous belt;
500. a coating device; 501. a main agent cavity; 502. an adjuvant cavity; 503. a first flow passage; 504. a second flow passage; 505. an adjuvant tank; 506. empty trough;
510. A rotating unit; 520. a main shaft; 530. a main agent barrel; 531. a main inner ring portion; 532. a main outer ring portion; 533. a first fluid replacement hole; 540. an adjuvant ring; 541. a first barrier strip; 542. a second barrier strip; 550. an outer cylinder section; 551. a coating port; 552. a second fluid replacement hole; 560. a flow guide; 561. a deflector aperture; 562. a liquid discharge tank; 563. a contact portion; 570. and (5) a mounting seat.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. It is noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 7, fig. 1 is a schematic structural view of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention in a closed state, fig. 2 is a schematic structural view of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention in an open state, fig. 3 is a first partial structural view of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention, fig. 4 is a second partial structural view of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention, fig. 5 is a schematic sectional structural view of fig. 4 along A-A, fig. 6 is a schematic sectional enlarged structural view of fig. 5 at B, and fig. 7 is a schematic sectional structural view of an epoxy structural adhesive curing detection device provided in an embodiment of the present invention.
Example 1
The epoxy structure glue solidification detection device that this embodiment provided is mainly applied to the scene that carries out solidification test to epoxy structure glue and detects, improves through the structure to epoxy structure glue solidification detection device in this embodiment, makes it can satisfy the requirement of mass detection in the actual production scene, possesses the advantage that detection precision is high and detection efficiency is high.
As shown in fig. 1 to 3 and 7, the epoxy structural adhesive curing detection device provided in the present embodiment includes a detection base 100 and a detection top cover 200 rotatable relative to the detection base 100, and the detection top cover 200 is configured with an open state and a closed state. When the detecting top cover 200 is in a closed state, it covers the detecting base 100, and forms a curing space with the detecting base 100, the curing space can provide a closed space for curing the subsequent colloid, reduce the influence of the external environment on the colloid, and provide a space with a guaranteed temperature and humidity, thereby improving the detecting precision of the colloid.
As shown in fig. 2, the inspection base 100 is provided with an inspection station for placing a transparent inspection substrate 101. A moving device 400 is installed at one end of the detection top cover 200 facing the detection base 100, and a coating device 500 pre-stored with colloid is installed at the moving end of the moving device 400; when the inspection top cover 200 is in the closed state, the coating device 500 can be driven by the moving end to pass through the inspection substrate 101 and be used for coating the glue on the inspection substrate 101.
As shown in fig. 1 and 7, an optical cavity 102 is formed in a detection base 100, and a light hole 103 is formed in the optical cavity 102 at a position corresponding to a detection station; an infrared light emitting component 300 is arranged in the optical cavity 102 at a position corresponding to the light hole 103; the detecting top cover 200 is provided with a measuring unit 310, the measuring unit 310 is used for detecting infrared light passing through the detecting substrate 101 and the colloid coated on the surface of the detecting substrate, so as to obtain an infrared light intensity value, and the measuring unit 310 can be a sensing unit such as an infrared light intensity sensor.
Specifically, in the epoxy structural adhesive curing detection device provided in this embodiment, when curing and detecting epoxy structural adhesive, a transparent detection substrate 101 is placed on a detection station, and then a detection top cover 200 is in a closed state, so as to form a space with stable temperature and humidity for curing the adhesive; then, the coating device 500 is driven by the moving device 400 to pass through the detection substrate 101, so that the colloid pre-stored in the coating device 500 is coated on the detection substrate 101; then, the infrared light emitted by the infrared light emitting component 300 sequentially passes through the light hole 103, the transparent detection substrate 101 and the colloid and reaches the measuring unit 310, wherein as the epoxy structural adhesive is cured, the absorption capacity of the epoxy structural adhesive to the infrared light changes, the infrared light intensity value measured by the measuring unit 310 also changes, and when the infrared light intensity measured by the measuring unit 310 reaches the target value, the time period from the completion of the coating of the colloid to the completion is recorded, so that the curing time value is obtained. Through the arrangement, the time node of solidification start is recorded at the time of movement completion of the mobile device 400, the time of the infrared light intensity value measured by the measuring unit 310 reaching the target value is recorded, the time node of solidification completion is recorded, a manual detection scheme is replaced, the detection efficiency is guaranteed, the detection precision is improved, the infrared light intensity is not required to be obtained by phase separation, the infrared light intensity is not required to be converted into a spectrogram, the data processing amount is greatly reduced, the mass sampling detection in an industrial production scene is realized, and the advantages of high detection precision and high detection efficiency are achieved.
Further, as shown in fig. 2 to 6, the coating device 500 includes a main agent cavity 501 and an auxiliary agent cavity 502 capable of rotating relatively, the main agent cavity 501 is communicated with a first flow channel 503, and the auxiliary agent cavity 502 is communicated with a second flow channel 504; the coating device 500 further includes a rotating unit 510, where the rotating unit 510 may be an in-wheel motor, so that the in-wheel motor is conveniently sleeved outside a spindle 520 described below; the rotation unit 510 is used to drive the main agent chamber 501 to rotate relative to the auxiliary agent chamber 502 to communicate the first flow path 503 with the second flow path 504, or to drive the auxiliary agent chamber 502 to rotate relative to the main agent chamber 501 to communicate the first flow path 503 with the second flow path 504.
It can be understood that the main agent cavity 501 pre-stores an epoxy resin agent in the epoxy structural adhesive, and is hereinafter referred to as a main agent; the auxiliary agent cavity 502 pre-stores a curing agent in the epoxy structural adhesive and is called an auxiliary agent in the follow-up; wherein, the main agent and the auxiliary agent are mixed and then gradually solidified into the epoxy structural adhesive. Illustratively, prior to moving the device 400, the first flow path 503 is not in communication with the second flow path 504 such that the primary agent is separated from the secondary agent; immediately before the coating device 500 contacts the detection substrate 101, the first flow channel 503 is communicated with the second flow channel 504, and after the main agent and the auxiliary agent are mixed, the main agent can flow out of the coating device 500 and be uniformly coated on the detection substrate 101 along with the movement of the moving device 400. Through the arrangement, the mixing of the main agent and the auxiliary agent in advance is avoided, the main agent and the auxiliary agent can be ensured to be mixed and then coated on the detection substrate 101, and the curing time of the epoxy structural adhesive can be measured more accurately.
In this embodiment, as shown in fig. 2, the mobile device 400 includes a motor 410, a driving wheel 420, a driven wheel 430 and a synchronous belt 440 mounted on the detecting cover 200; the rotor of the motor 410 is fixedly connected with the driving wheel 420, the synchronous belt 440 is sleeved outside the driving wheel 420 and the driven wheel 430, and the coating device 500 is fixedly connected with the synchronous belt 440 through the mounting seat 570. That is, the motor 410 drives the driving wheel 420 to rotate, and cooperates with the driven wheel 430 to drive the synchronous belt 440 to reciprocate linearly, at this time, the mounting seat 570 is fixedly connected with the synchronous belt 440 through a structure such as a slider, so as to drive the coating device 500 to reciprocate linearly, so as to pass through the detection substrate 101 back and forth, that is, the mounting seat 570 is equivalent to a part of the moving end of the moving device 400.
As a preferred embodiment, the rotation unit 510 is used to drive the rotation of the auxiliary agent chamber 502 relative to the main agent chamber 501, so that the first flow channel 503 is in communication with the second flow channel 504.
Specifically, as shown in fig. 4 to 6, the coating apparatus 500 includes a main shaft 520 fixedly connected to a moving end; the main shaft 520 is sequentially sleeved with a main agent barrel 530, an auxiliary agent ring 540 and an outer barrel 550 by taking the axis of the main shaft 520 as the center; the main agent barrel 530 is fixedly connected with the main shaft 520, and a main agent cavity 501 is formed; the auxiliary agent ring 540 is rotatably connected with the main agent barrel 530, an auxiliary agent groove 505 is formed on one side of the auxiliary agent ring 540 away from the main agent barrel 530, and an auxiliary agent cavity 502 is formed by surrounding the auxiliary agent groove 505 and the inner wall of the outer barrel 550; the outer cylinder 550 is fixedly connected with the movable end, and the auxiliary agent ring 540 can rotate in the outer cylinder 550; the stator of the rotating unit 510 is fixedly connected with the moving end, and the rotor of the rotating unit 510 is fixedly connected with the auxiliary agent ring 540.
Meanwhile, the outer cylinder 550 is provided with a coating opening 551 right below the main shaft 520; the first flow channel 503 is located between the coating port 551 and the spindle 520; the coating opening 551 is embedded with a flow guide 560, the flow guide 560 is configured with a closed flow guide hole 561, and the flow guide hole 561 can be opened after the auxiliary agent cavity 502 is filled with liquid.
Illustratively, the substrate 101 is inspected just prior to movement of the coating apparatus 500; since the first flow channel 503 and the second flow channel 504 are not communicated, the main agent in the main agent cavity 501 cannot be mixed with the auxiliary agent in the auxiliary agent cavity 502, and the auxiliary agent in the auxiliary agent cavity 502 occupies only about 1/10 of the auxiliary agent cavity 502 (determined by the mixing ratio of the auxiliary agent and the main agent), and the dosage is insufficient to prop open the diversion hole 561; when the rotation unit 510 drives the auxiliary agent ring 540 to rotate and the second flow channel 504 is communicated with the first flow channel 503, the main agent can flow into the auxiliary agent cavity 502 from the main agent cavity 501 until the auxiliary agent cavity 502 is filled. At this time, the rotation unit 510 drives the auxiliary agent ring 540 to rotate, so that the second flow channel 504 is staggered from the first flow channel 503, but the auxiliary agent cavity 502 is still communicated with the diversion hole 561, so that excessive main agent can be prevented from mixing in, and the detection accuracy is ensured.
Further, as shown in fig. 5 and 6, a drain groove 562 is formed below the guide hole 561 of the guide member 560, and the drain groove 562 is communicated with the guide hole 561; wherein, the edge of the drain groove 562 is protruded outward to form a contact portion 563 capable of contacting the detection substrate 101. It should be understood that, before the coating apparatus 500 contacts the detection substrate 101, that is, before the flow guide 560 contacts the detection substrate 101, the liquid discharge groove 562 with a smaller width is provided with the flow guide hole 561 with a smaller aperture, that is, the width of the liquid discharge groove 562 is smaller than the depth of the liquid discharge groove 562, even if part of the auxiliary agent or part of the mixture of the main agent and the auxiliary agent flows out, the surface tension of the liquid and the viscosity of the liquid can be utilized due to the arrangement of the liquid discharge groove 562 and the flow guide hole 561, so that the liquid can be prevented from flowing out. When the coating device 500 contacts the detection substrate 101, that is, when the flow guide 560 contacts the detection substrate 101, particularly when the contact portion 563 is dragged on the detection substrate 101 by the moving device 400, the contact portion 563 is deformed by the detection substrate 101, so that the depth of the liquid discharge groove 562 is reduced, and the aperture is increased, and at this time, the mixture of the main agent and the auxiliary agent in the liquid discharge groove can be coated on the detection substrate 101. Through the arrangement, the main agent and the auxiliary agent can be ensured to have enough mixing time, so that the main agent and the auxiliary agent are uniformly mixed, the mixture can be prevented from leaking, and the mixture can be accurately coated on the detection substrate 101, so that the stability and the accuracy of detection are improved.
In this embodiment, as shown in fig. 4 and 5, the main barrel 530 includes a main inner ring portion 531 and a main outer ring portion 532, and the main inner ring portion 531 is sleeved on the main shaft 520 and is welded to the main shaft 520; a main agent cavity 501 is formed between the main outer ring portion 532 and the main inner ring portion 531.
In this embodiment, as shown in fig. 4 and 5, a plurality of groups of cavity portions are convexly arranged on one side of the auxiliary agent ring 540 away from the main agent barrel 530, and the plurality of groups of cavity portions are arranged at intervals along the circumferential direction of the auxiliary agent ring 540; an empty groove 506 is formed between any two adjacent cavity parts; the cavity portion comprises a first barrier strip 541 and a second barrier strip 542 which are arranged at intervals, and the first barrier strip 541, the second barrier strip 542 and the auxiliary agent ring 540 are far away from the annular surface of the main agent barrel 530 and the inner wall of the outer barrel portion 550 to form an auxiliary agent cavity 502.
It should be noted that, the width between the first barrier rib 541 and the second barrier rib 542, that is, the width of the auxiliary agent slot 505 is greater than the width of the first flow channel 503, and the distances between the first barrier rib 541 and the second barrier rib 542 and the second flow channel 504 are respectively greater than the width of the first flow channel 503.
Through the above arrangement, after the main agent flows into the auxiliary agent cavity 502, the rotation unit 510 drives the auxiliary agent ring 540 to rotate, so that the first flow channel 503 and the second flow channel 504 are staggered, and the auxiliary agent cavity 502 is driven to reciprocate; at this time, the first flow path 503 may be closed by the auxiliary ring 540 on the left side of the second flow path 504 (corresponding to the left empty slot 506 and the portions from the first barrier 541 to the second flow path 504) in the clockwise direction, or may be closed by the auxiliary ring 540 on the right side of the second flow path 504 in the counterclockwise direction (corresponding to the right empty slot 506 and the portions from the second barrier 542 to the second flow path 504). In this regard, the rotation unit 510 may drive the auxiliary agent cavity 502 to reciprocate, so that the auxiliary agent cavity 502 is swayed to promote the mixing of the main agent and the auxiliary agent under the condition that the first flow channel 503 is closed.
Further, as shown in fig. 3 to 5, in the main agent cavity 501, a first fluid-supplementing hole 533 is formed above the main shaft 520 in the main agent barrel 530; the area between the coating opening 551 and the first flow channel 503 is a flow guiding area, outside which the outer cylinder 550 is provided with a second fluid-filling hole 552, and the second fluid-filling hole 552 can be communicated with the auxiliary agent cavity 502. Wherein, the first fluid infusion hole 533 and the second fluid infusion hole 552 are both detachably plugged with sealing nails, and when the main agent is needed to be supplemented, the main agent is supplemented through the first fluid infusion hole 533; when the auxiliary agent is needed to be replenished, the rotation unit 510 drives the auxiliary agent cavity 502 to be in butt joint with the second fluid infusion hole 552, so as to replenish the auxiliary agent.
Additionally, a turntable motor 301 is further disposed outside the infrared light emitting assembly 300, the turntable motor 301 is installed in the optical cavity 102, a turntable unit 302 is installed on a rotor of the turntable motor 301, and a plurality of optical filters 303 are disposed on the turntable unit 302 along a circumferential direction, wherein one optical filter 303 is used for filtering infrared light outside a first frequency, and the other optical filter 303 is used for filtering infrared light outside a second frequency, wherein the first frequency is a frequency (25.5 thz-37.5 thz) corresponding to an epoxy group absorption peak, and is about a frequency (75 thz-105 thz) corresponding to a hydroxyl absorption peak.
In the process of curing the colloid, firstly, infrared light with a first frequency is obtained through a light filter 303, as the colloid is cured, the epoxy group is reacted, the absorption of the infrared light by the epoxy group is weakened, the first light intensity obtained by the measuring unit 310 is gradually increased, and when the first light intensity reaches a first target value, the epoxy group is reacted completely; the infrared light of the second frequency is then obtained through the further filter 303, and as the colloid continues to cure, hydroxyl radicals are generated, which have an increased absorption of this infrared light, meaning that the second light intensity gradually decreases until the rate of change of the second light intensity reaches a second target value, i.e. the carboxyl radicals no longer increase, as the colloid curing is completed. Through this setting, can begin to reduce through epoxy, the first light intensity begins the time record solidification's that weakens start time, through the increase of hydroxyl, the second light intensity ends the time record solidification's that increases end time, avoids epoxy to reduce the time because of the increase of hydroxyl, leads to whole light intensity to tend to invariable, or increase, and then can more accurately survey the curing time of epoxy structural adhesive.
For the convenience of understanding by those skilled in the art, the following detailed description is provided:
S11, driving a turntable unit 302 to rotate through a turntable motor 301 so as to enable a light filter 303 with a first frequency to move below a light hole 103;
S12, acquiring a first light intensity of infrared light after passing through the optical filter 303, the detection substrate 101 and the colloid through the measuring unit 310;
s13, when the first light intensity is greater than or equal to a preset first target value, the turntable unit 302 is driven to rotate by the turntable motor 301, so that the optical filter 303 with the second frequency moves to the lower part of the light hole 103; recording the finishing time of the epoxy group reaction;
s14, obtaining second light intensity of infrared light after passing through the optical filter 303, the detection substrate 101 and the colloid through the measuring unit 310;
s15, when the change rate of the second light intensity is smaller than or equal to a preset second target value, recording the ending time of the solidification.
Through the arrangement, the end time of forming a cross-linking structure after the epoxy group reaction and the end time of thoroughly completing the curing reaction of the epoxy structural adhesive can be respectively obtained, so that the detection scene of the epoxy structural adhesive curing detection device is expanded, and the flexibility of the epoxy structural adhesive curing detection device is improved.
In summary, the epoxy structural adhesive curing detection device provided by the embodiment has the advantages of high detection flexibility, high detection precision, high detection efficiency and the like.
Example two
The detection method provided in this embodiment is applied to the epoxy structural adhesive curing detection device in the first embodiment, and includes:
s21, storing the colloid in the coating device 500, and placing the detection substrate 101 in a detection station;
S22, rotating the detection top cover 200 to a closed state;
S23, communicating the first flow channel 503 with the second flow channel 504 through the rotation unit 510, so that the main agent in the main agent cavity 501 flows into the auxiliary agent cavity 502;
S24, after the main agent fills the auxiliary agent cavity 502, the auxiliary agent ring 540 is driven to reciprocate by the rotating unit 510, wherein the first flow channel 503 is not communicated with the second flow channel 504; for stirring the main agent and the auxiliary agent;
s25, driving the coating device 500 to pass through the detection substrate 101 by the moving device 400, so that the coating device 500 coats colloid on the detection substrate 101;
S26, irradiating infrared light to the detection substrate 101, and detecting the infrared light passing through the detection substrate 101 and the colloid coated on the surface of the detection substrate to obtain an infrared light intensity value;
and S27, obtaining a curing time value when the infrared light intensity value reaches a preset target value.
The step S27 specifically includes:
S11, driving a turntable unit 302 to rotate through a turntable motor 301 so as to enable a light filter 303 with a first frequency to move below a light hole 103;
S12, acquiring a first light intensity of infrared light after passing through the optical filter 303, the detection substrate 101 and the colloid through the measuring unit 310;
s13, when the first light intensity is greater than or equal to a preset first target value, the turntable unit 302 is driven to rotate by the turntable motor 301, so that the optical filter 303 with the second frequency moves to the lower part of the light hole 103; recording the finishing time of the epoxy group reaction;
s14, obtaining second light intensity of infrared light after passing through the optical filter 303, the detection substrate 101 and the colloid through the measuring unit 310;
S15, when the change rate of the second light intensity is smaller than or equal to a preset second target value, recording the ending time of the solidification; the end time of the curing is a curing time value, reflects the complete curing time of the epoxy structural adhesive and is used for evaluating the curing efficiency of the epoxy structural adhesive; the end time of the epoxy group reaction is the cross-linking time value, and the cross-linking reaction time of the reaction epoxy structural adhesive is used for evaluating the curing quality of the epoxy structural adhesive (namely, the faster the epoxy group is consumed, the higher the strength of the epoxy structural adhesive is), so that the curing of the epoxy structural adhesive can be detected more accurately.
In summary, the epoxy structural adhesive curing detection device provided by the embodiment has the advantages of high detection flexibility, high detection precision, high detection efficiency and the like.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An epoxy structural adhesive curing detection device is characterized by comprising a detection base (100) and a detection top cover (200) capable of rotating relative to the detection base (100), wherein the detection top cover (200) is configured with an open state and a closed state;
the detection base (100) is provided with a detection station, the detection station is used for placing a transparent detection substrate (101), an optical cavity (102) is formed in the detection base (100), and a light hole (103) is formed in the position, corresponding to the detection station, of the optical cavity (102);
An infrared light emitting component (300) is arranged in the optical cavity (102) at a position corresponding to the light transmitting hole (103); the detection top cover (200) is provided with a measurement unit (310), and the measurement unit (310) is used for detecting infrared light passing through the detection substrate (101) and the colloid coated on the surface of the detection substrate;
A moving device (400) is arranged at one end of the detection top cover (200) facing the detection base (100), and a coating device (500) with colloid pre-stored is arranged at the moving end of the moving device (400); when the detection top cover (200) is in a closed state, the coating device (500) can be driven by the moving end to pass through the detection substrate (101) and is used for coating colloid on the detection substrate (101).
2. The epoxy structural adhesive curing detection device according to claim 1, wherein the coating device (500) comprises a main agent cavity (501) and an auxiliary agent cavity (502) which can rotate relatively, the main agent cavity (501) is communicated with a first runner (503), and the auxiliary agent cavity (502) is communicated with a second runner (504);
the coating device (500) further comprises a rotation unit (510); the rotation unit (510) is used for driving the main agent cavity (501) to rotate relative to the auxiliary agent cavity (502) so as to enable the first flow channel (503) to be communicated with the second flow channel (504), or is used for driving the auxiliary agent cavity (502) to rotate relative to the main agent cavity (501) so as to enable the first flow channel (503) to be communicated with the second flow channel (504).
3. The epoxy structural adhesive curing detection device according to claim 2, wherein the coating device (500) comprises a spindle (520) fixedly connected with the moving end; a main agent cylinder (530), an auxiliary agent ring (540) and an outer cylinder part (550) are sequentially sleeved outside the main shaft (520) by taking the axis of the main shaft (520) as the center;
the main agent cylinder (530) is fixedly connected with the main shaft (520), and the main agent cavity (501) is formed;
The auxiliary agent ring (540) is rotationally connected with the main agent barrel (530), an auxiliary agent groove (505) is formed on one side of the auxiliary agent ring (540) away from the main agent barrel (530), and the auxiliary agent groove (505) and the inner wall of the outer barrel part (550) are surrounded to form the auxiliary agent cavity (502);
The outer cylinder part (550) is fixedly connected with the movable end, and the auxiliary agent ring (540) can rotate in the outer cylinder part (550); the stator of the rotating unit (510) is fixedly connected with the moving end, and the rotor of the rotating unit (510) is fixedly connected with the auxiliary agent ring (540).
4. An epoxy structural adhesive curing detection device according to claim 3, characterized in that the main agent cylinder (530) comprises a main inner ring part (531) and a main outer ring part (532), and the main inner ring part (531) is sleeved on the main shaft (520) and is welded with the main shaft (520); the main agent cavity (501) is formed between the main outer ring portion (532) and the main inner ring portion (531).
5. An epoxy structural adhesive curing detection device according to claim 3, and characterized in that a plurality of groups of cavity parts are convexly arranged on one side of the auxiliary agent ring (540) far away from the main agent cylinder (530), and the plurality of groups of cavity parts are arranged at intervals along the circumferential direction of the auxiliary agent ring (540); an empty trough (506) is formed between any two adjacent cavity parts;
The cavity comprises a first barrier strip (541) and a second barrier strip (542) which are arranged at intervals, wherein the first barrier strip (541) and the second barrier strip (542) are far away from the ring surface of the main agent cylinder (530) and the inner wall of the outer cylinder part (550) to form the auxiliary agent cavity (502).
6. An epoxy structural adhesive curing detection device according to claim 3, characterized in that the outer cylinder (550) is provided with a coating port (551) right below the main shaft (520); the first runner (503) is located between the coating port (551) and the spindle (520);
the coating opening (551) is embedded to be equipped with water conservancy diversion piece (560), water conservancy diversion piece (560) are provided with closed water conservancy diversion hole (561), water conservancy diversion hole (561) can be propped open after auxiliary agent cavity (502) are full of liquid.
7. The epoxy structural adhesive curing detection device according to claim 6, wherein a first liquid supplementing hole (533) is formed above the main shaft (520) in the main agent cavity (501) by the main agent cylinder (530);
the area between the coating opening (551) and the first flow channel (503) is a flow guiding area, and outside the flow guiding area, the outer cylinder part (550) is provided with a second fluid infusion hole (552), and the second fluid infusion hole (552) can be communicated with the auxiliary agent cavity (502).
8. The epoxy structural adhesive curing detection device according to claim 6, wherein a liquid drain groove (562) is formed below the diversion hole (561) by the diversion piece (560), and the liquid drain groove (562) is communicated with the diversion hole (561); wherein the edge of the groove wall of the liquid draining groove (562) is outwards protruded to form a contact part (563) which can be contacted with the detection substrate (101).
9. The epoxy structural adhesive curing detection device according to claim 1, wherein the moving device (400) comprises a motor (410), a driving wheel (420), a driven wheel (430) and a synchronous belt (440) which are arranged on the detection top cover (200);
The rotor of the motor (410) is fixedly connected with the driving wheel (420), the synchronous belt (440) is sleeved outside the driving wheel (420) and the driven wheel (430), and the coating device (500) is fixedly connected with the synchronous belt (440) through a mounting seat (570).
10. A detection method, characterized in that it is applied to the epoxy structural adhesive curing detection device as defined in any one of claims 1 to 9, and comprises:
the colloid is stored in a coating device, and a detection substrate is placed in a detection station;
Rotating the detection top cover to a closed state;
the coating device is driven to pass through the detection substrate by the moving device, so that the coating device coats colloid on the detection substrate;
irradiating infrared light to the detection substrate, and detecting the infrared light passing through the detection substrate and the colloid coated on the surface of the detection substrate to obtain an infrared light intensity value;
and when the infrared light intensity value reaches a preset target value, obtaining a curing time value.
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