CN112525894B - Photographing device for dry chemical test strip and dry chemical analyzer - Google Patents
Photographing device for dry chemical test strip and dry chemical analyzer Download PDFInfo
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- CN112525894B CN112525894B CN202011287556.5A CN202011287556A CN112525894B CN 112525894 B CN112525894 B CN 112525894B CN 202011287556 A CN202011287556 A CN 202011287556A CN 112525894 B CN112525894 B CN 112525894B
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- 238000007705 chemical test Methods 0.000 title claims abstract description 47
- 239000000126 substance Substances 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 86
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 9
- 238000003384 imaging method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000012552 review Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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Abstract
The invention relates to the technical field of dry chemical test strip detection, and provides a photographing device of a dry chemical test strip, which comprises the following components: the test strip table is provided with a detection position for placing a test strip to be detected; a camera arranged right above the detection position; a light source; the light emitted by the light source is reflected to the detection position through the light reflecting plate, and the brightness of the central part of the detection position is lower than that of the edge. The invention also provides a dry chemical analyzer. According to the photographing device and the dry chemical analyzer for the dry chemical test strip, the reflecting plate is arranged, the light emitted by the light source is lower than the edge brightness through the effect of the reflecting plate, the defects of bright middle and dark edge of the collected image caused by the lens of the camera when the lens of the camera is used for imaging are combined, and even illumination can be realized when the camera is started to photograph the illuminated test strip so as to be used for rechecking and comparing detection results by a detector, and the structure is simple.
Description
Technical Field
The invention relates to the technical field of dry chemical test strip detection, in particular to a photographing device and a dry chemical analyzer of a dry chemical test strip.
Background
Currently, a dry chemical analyzer on the market generally uses LEDs with multiple wavelengths to irradiate a test strip, receives the test strip by a color sensor or a photosensitive device such as a CCD, detects the color development condition of a reagent according to reflected light or absorbance, and finally calculates the concentration of a corresponding substance. However, this method depends on the accuracy of the detection instrument, and when the result judgment is inaccurate due to various factor interference, the detection result cannot be visually reviewed.
Disclosure of Invention
The invention aims to provide a photographing device of a dry chemical test strip and a dry chemical analyzer, which are used for solving the technical problem that the dry chemical analyzer in the prior art depends on the accuracy of a detection instrument, and cannot visually review the detection result when the result judgment is inaccurate due to various factor interference.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in one aspect, the invention provides a photographing device for a dry chemical test strip, comprising:
the test strip test device comprises a test strip table, a test strip control unit and a test strip control unit, wherein a detection position for placing a test strip to be detected is arranged on the test strip table;
the camera is arranged right above the detection position;
a light source;
the light emitted by the light source is reflected to the detection position through the light reflecting plate, and the brightness of the central part of the detection position is lower than that of the edge.
According to the photographing device for the dry chemical test strip, the light source comprises:
the first light source is arranged on one side along the length direction of the detection position and is connected with the test paper table;
the second light source is arranged on the other side along the length direction of the detection position and is connected with the test paper table;
the first light source and the second light source are axisymmetric with respect to the center of the detection position;
the reflector includes:
the first reflecting plate is arranged above the first light source and is obliquely arranged so as to reflect light rays emitted by the first light source to the detection position;
the second reflecting plate is arranged above the second light source and is obliquely arranged so as to reflect light rays emitted by the second light source to the detection position;
the first reflecting plate and the second reflecting plate are axisymmetric with respect to the center of the detection position.
According to the photographing device for the dry chemical test strip, the photographing device for the dry chemical test strip further comprises a frame body, the frame body is arranged on the test paper table and connected with the test paper table, the reflecting plate is arranged on the frame body and connected with the frame body, and the camera is arranged at the top of the frame body and connected with the frame body.
According to the photographing device for the dry chemical test strip, the photographing device for the dry chemical test strip further comprises an angle adjusting plate, wherein the angle adjusting plate is arranged on the frame body and can rotate relative to the frame body, and the reflecting plate is arranged on the angle adjusting plate and is connected with the angle adjusting plate.
According to the photographing device for the dry chemical test strip, the frame body is further provided with the groove, one end of the angle adjusting plate is rotatably connected with the frame body, the other end of the angle adjusting plate is arranged in the groove, and the angle adjusting plate can generate displacement in the groove and can be locked.
According to the photographing device for the dry chemical test strip, the cavity for accommodating the angle adjusting plate is formed in the frame body, and the cavity is communicated with the groove.
According to the photographing device for the dry chemical test strip, the photographing device for the dry chemical test strip further comprises a stop block for shielding and adjusting light emitted by the light source.
According to the photographing device for the dry chemical test strip, the stop block is arranged between the light source and the detection position, and the stop block can move between the light source and the detection position.
According to the photographing device for the dry chemical test paper strip, the light source is arranged on the test paper table, a sliding groove is arranged between the light source and the detection position, the stop block is arranged in the sliding groove, and the stop block can slide in the sliding groove and can be locked.
On the other hand, the invention also provides a dry chemical analyzer, which comprises the photographing device of the dry chemical test strip.
The photographing device for the dry chemical test strip provided by the invention has the beneficial effects that:
the photographing device for the dry chemical test strip provided by the invention is provided with the reflecting plate, the light emitted by the light source can lead the light path reaching the central part of the test strip to be longer and the light path reaching the edge part of the test strip to be shorter, so that the brightness of the central part of the test strip is lower than the edge brightness, the defects of bright middle and dark edge of the collected image caused by the lens of the camera when the camera is used for imaging are combined, even illumination can be realized when the camera is started to photograph the illuminated test strip, the photographed image is more full, has texture and clearer display of detail parts, and is used for a inspector to review and compare the detection result.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a photographing device for a dry chemical test strip according to an embodiment of the present invention;
fig. 2 is a schematic optical path principle structure diagram of a photographing device for a dry chemical test strip according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a photographing device for a dry chemical test strip according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a dry chemical analyzer according to an embodiment of the present invention.
Wherein, each reference sign in the figure:
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The directions or positions indicated by the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are directions or positions based on the drawings, and are merely for convenience of description and are not to be construed as limiting the present technical solution. The terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
Referring to fig. 1 and 2, a photographing device 100 for a dry chemical test strip includes: the test strip test device comprises a test strip table 10, wherein a test position for placing a test strip 200 to be tested is arranged on the test strip table 10; a camera 30, wherein the camera 30 is arranged right above the detection position; a light source 40; the light emitted by the light source 40 is reflected to the detection position by the light reflecting plate 50, and the brightness of the central part of the detection position is lower than that of the edge. Preferably, the field of view of the camera 30 is not smaller than the size of the test strip 200. Optionally, the light source 40 is a white light emitting diode.
The working principle of the photographing device 100 for the dry chemical test strip provided in this embodiment is as follows:
when the photographing device 100 for the dry chemical test strip provided by the embodiment needs to detect the test strip 200, the test strip 200 is placed at the detection position of the test strip table 10; the light source 40 is started, the light emitted by the light source 40 is reflected to the test strip 200 through the reflecting plate 50, the light path of the light reaching the central part of the test strip 200 can be longer, the light path of the light reaching the edge part of the test strip 200 is shorter, the longer the light path is, the more energy is lost, the lower the brightness is, and therefore the brightness of the central part of the test strip 200 is lower than the edge brightness; since the inherent defects of the lens itself of the camera 30 cause bright middle and dark edges of the acquired image when imaging, uniform illumination can be realized when the camera 30 photographs the test strip 200 that has been illuminated (dark middle and bright edges).
The photographing device 100 for the dry chemical test strip provided in this embodiment has the following advantages:
according to the photographing device 100 for the dry chemical test strip, the reflecting plate 50 is arranged, the light emitted by the light source 40 passes through the reflecting plate 50, the light path reaching the central part of the test strip 200 is longer, the light path reaching the edge part of the test strip 200 is shorter, the brightness of the central part of the test strip 200 is lower than the edge brightness, the lens of the camera 30 is combined with the defect that the middle of the acquired image is bright and the edge is dark caused by the lens of the camera 30 during imaging, even illumination can be realized when the camera 30 is started to photograph the illuminated test strip 200, the photographed image is plump, has texture and clear detail parts, and is displayed for a detector to review and compare the detection result, and the photographing device 100 for the dry chemical test strip provided by the embodiment has a simple integral structure and low cost, and makes up for the defects of the existing dry chemical detection technology.
With continued reference to fig. 1, in one embodiment, the light source 40 includes: a first light source 41, wherein the first light source 41 is arranged at one side along the length direction of the detection position and is connected with the test paper table 10; the second light source 42 is arranged at the other side along the length direction of the detection position, and is connected with the test paper table 10; the first light source 41 and the second light source 42 are axisymmetric with respect to the center of the detection position; the reflector 50 includes: the first reflecting plate 51 is disposed above the first light source 41, and the first reflecting plate 51 is disposed obliquely so as to reflect the light emitted by the first light source 41 onto the detection position; the second reflecting plate 52 is disposed above the second light source 42, and the second reflecting plate 52 is disposed obliquely so as to reflect the light emitted by the second light source 42 onto the detection position; the first reflecting plate 51 and the second reflecting plate 52 are axisymmetric with respect to the center of the detection position. Since the first light source 41 and the second light source 42 are axisymmetric about the center of the detection position, and the first light reflecting plate 51 and the second light reflecting plate 52 are axisymmetric about the center of the detection position, both sides of the test strip 200 placed on the detection position have the same illumination, and the brightness of the center portion of the test strip 200 is lower than the edge brightness, so that uniform illumination can be realized when the camera 30 is turned on for photographing.
In one embodiment, the reflecting plate 50 is disposed obliquely to form an angle θ with the test stand 10 located on a horizontal plane. Optionally, the included angle θ ranges from 30 ° to 70 °. Optionally, the included angle θ ranges from 40 ° to 50 °. Optionally, the range value of the included angle θ is 45 °. It should be understood that the value of the included angle θ is not limited to the above values, and may be adjusted according to practical situations, which is not limited herein.
In one embodiment, the photographing device 100 for dry chemical test paper further includes a frame 20, the frame 20 is disposed on the test paper stand 10 and connected to the test paper stand 10, the light reflecting plate 50 is disposed on the frame 20 and connected to the frame 20, and the camera 30 is disposed on the top of the frame 20 and connected to the frame 20. The frame 20 may be provided to stably support the light reflecting plate 50 and the camera 30.
Referring to fig. 3, in one embodiment, the photographing device 100 for dry chemical test strips further includes an angle adjusting plate 21, the angle adjusting plate 21 is disposed on the frame 20 and can rotate relative to the frame 20, and the reflective plate 50 is disposed on the angle adjusting plate 21 and is connected to the angle adjusting plate 21. The angle adjusting plate 21 is arranged to conveniently drive the reflecting plate 50 to adjust to a proper inclination angle so as to meet the optimal lighting effect and realize uniform illumination.
Optionally, the light reflecting plate 50 is adhesively connected with the angle adjusting plate 21, so that the light reflecting plate 50 can be stably fixed on the angle adjusting plate 21, and the light reflecting plate 50 can not fall off when the angle adjusting plate 21 and the light reflecting plate 50 are obliquely arranged or in the process of adjusting the inclination angle, thereby having good stability.
In one embodiment, the frame 20 is further provided with a groove 22, one end of the angle adjusting plate 21 is rotatably connected with the frame 20, the other end of the angle adjusting plate 21 is disposed in the groove 22, and the angle adjusting plate 21 can be displaced and locked in the groove 22. Through setting one end of angle adjusting plate 21 to rotatable coupling, the other end is the free end, and its free end can produce the displacement in recess 22 to realize adjusting the angle of reflector panel 50 through angle adjusting plate 21, after reflector panel 50 adjusts to suitable angle, the free end of angle adjusting plate 21 can be locked fixedly in recess 22, its simple structure, stability, and convenient to use.
Optionally, after the angle adjusting plate 21 is disposed in the groove 22 and moved to a proper position, the connection is stable through the connection limit of the jackscrew, when the inclination angle of the angle adjusting plate 21 needs to be adjusted, the jackscrew is removed, and the position of the angle adjusting plate 21 in the groove 22 is adjusted, so as to adjust the angle of the reflector 50.
Optionally, the frame 20 is provided with a first connecting hole 24, the angle adjusting plate 21 is provided with a second connecting hole 211, and the connecting shaft passes through the first connecting hole 24, the second connecting hole 211 and cooperates with the first connecting hole 24 and the second connecting hole 211, so as to realize that the angle adjusting plate 21 rotates relative to the frame 20, and the angle adjusting plate has a simple structure and is convenient to operate.
In one embodiment, the frame 20 is provided with a cavity 23 for accommodating the angle adjusting plate 21, and the cavity 23 is in communication with the groove 22. The provision of the cavity 23 facilitates the adjustment of the inclination of the reflector 50 by the angle adjusting plate 21 as required.
Optionally, the first connecting holes 24 are provided on two sidewalls of the cavity 23.
Optionally, the groove bottom of the groove 22 is obliquely arranged to match with the angle adjusting plate 21 which is supported and obliquely arranged, so as to realize stable support.
In one embodiment, the reflector 50 is made of a diffusely reflective material. Alternatively, the reflector 50 is a polytetrafluoroethylene plate. In another embodiment, the reflector 50 is a diffuse reflective coating applied to a sheet material. Polytetrafluoroethylene and diffuse reflection coating all have good lambertian characteristic, can make light become soft and illumination even, avoid light too strong to lead to the camera exposure too big, influence shooting effect.
In one embodiment, the photographing device 100 of the dry chemical test strip further includes a block 60 for blocking and adjusting the light emitted from the light source.
In one embodiment, the stop 60 is disposed between the light source 40 and the inspection position, and the stop 60 is movable between the light source 40 and the inspection position. The stop block 60 can block the light generated by the light source 40, so as to prevent the excessive light from entering the lens of the camera 30 or directly irradiating the test strip 200, thereby ensuring the optimal illumination effect and realizing uniform illumination.
In one embodiment, the light source 40 is disposed on the test strip stand 10, a chute 11 is disposed on the test strip stand 10 between the light source 40 and the detection position, the stopper 60 is disposed in the chute 11, and the stopper 60 can slide in the chute 11 and can be locked. The chute 11 is arranged, so that the position of the baffle 60 can be finely adjusted according to the actual lighting condition, and the optimal lighting effect is met, and uniform illumination is realized.
Optionally, the stopper 60 includes a blocking portion 61 and a sliding portion 62, where the blocking portion 61 and the sliding portion 62 are fixedly connected, and the sliding portion 62 is disposed in the chute 11 and is slidable, and when slid to a proper position, can be locked by a locking member 63. Optionally, the locking member 63 is a locking nut, and the locking nut is sleeved at one end of the sliding portion 62 away from the blocking portion 61, and the stop block 60 is stably locked on the test paper stand 10 by means of cooperation extrusion of the locking nut and the blocking portion 61. Alternatively, the blocking portion 61 and the sliding portion 62 are integrally formed, and the structure is firm.
Alternatively, the light source 40 is fixedly connected to the test strip stand 10, i.e. fixed, and can be adjusted by sliding the stopper 60 when it is desired to adjust the illumination.
Preferably, the camera 30 is fixedly connected with the frame 20, and is fixed when the camera 30 is adjusted to the clearest position, and can be adjusted by sliding the stop block 60 and the reflector 50 when the illumination condition needs to be adjusted.
Referring to fig. 4, the present embodiment further provides a dry chemical analyzer 1000, including the photographing device 100 of the dry chemical test strip.
The dry chemical analyzer 1000 provided in this embodiment has at least the following advantages:
the dry chemical analyzer 1000 provided in this embodiment is provided with the reflecting plate 50, the light emitted by the light source 40 passes through the reflecting plate 50, so that the light path reaching the central part of the test strip 200 is longer, the light path reaching the edge part of the test strip 200 is shorter, the brightness of the central part of the test strip 200 is lower than the edge brightness, the lens of the camera 30 is combined to cause the defects of bright middle and dark edge of the acquired image when the lens is used for imaging, even illumination can be realized when the camera 30 is started to shoot the illuminated test strip 200, the shot image is plump, has texture and clear display of detail parts, so that detection results can be reviewed and compared by detection personnel, and the shooting device 100 for the dry chemical test strip provided in this embodiment has a simple integral structure and low cost, and makes up for the defects of the current dry chemical detection technology.
In one embodiment, the dry chemical analyzer 1000 further includes a case 300, the photographing device 100 is disposed in the case 300, the dry chemical analyzer 1000 further includes a strip transporting mechanism 400, the strip transporting mechanism 400 is used for carrying the test strip 200 onto the test strip stand 10, and the strip transporting mechanism 400 is slidably connected with the test strip stand 10. The box 300 is used for playing a role of a closed space, and the strip transporting mechanism 400 is opened relative to the moving direction of the test strip table 10, so that the test strip 200 can be conveniently put in and taken out.
In summary, the present embodiment provides a photographing device 100 for a dry chemical test strip, including: the test strip test device comprises a test strip table 10, wherein a test position for placing a test strip 200 to be tested is arranged on the test strip table 10; a camera 30, wherein the camera 30 is arranged right above the detection position; a light source 40; the light emitted by the light source 40 is reflected to the detection position by the light reflecting plate 50, and the brightness of the central part of the detection position is lower than that of the edge. The embodiment also provides a dry chemical analyzer 1000, which comprises the photographing device 100 of the dry chemical test strip. According to the photographing device and the dry chemical analyzer for the dry chemical test strip, the light reflecting plate 50 is arranged, the light emitted by the light source 40 passes through the light reflecting plate 50, the light path reaching the central part of the test strip 200 is longer, and the light path reaching the edge part of the test strip 200 is shorter, so that the brightness of the central part of the test strip 200 is lower than the edge brightness, the defects of bright middle and dark edge of the collected image caused by the lens of the camera 30 during imaging are overcome, even illumination can be realized when the camera 30 is started to photograph the illuminated test strip 200, the photographed image is full, has texture and detail parts and is displayed more clearly for detection personnel to review and compare the detection result, and the photographing device 100 for the dry chemical test strip provided by the embodiment has a simple integral structure and low cost, and overcomes the defects of the existing dry chemical detection technology.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (3)
1. The photographing device for a dry chemical test strip is characterized by comprising:
the test strip test device comprises a test strip table, a test strip control unit and a test strip control unit, wherein a detection position for placing a test strip to be detected is arranged on the test strip table;
the camera is arranged right above the detection position;
a light source;
the light emitted by the light source is reflected to the detection position through the light reflecting plate, and the brightness of the central part of the detection position is lower than that of the edge;
the light source includes:
the first light source is arranged on one side along the length direction of the detection position and is connected with the test paper table;
the second light source is arranged on the other side along the length direction of the detection position and is connected with the test paper table;
the first light source and the second light source are axisymmetric with respect to the center of the detection position;
the reflector includes:
the first reflecting plate is arranged above the first light source and is obliquely arranged so as to reflect light rays emitted by the first light source to the detection position;
the second reflecting plate is arranged above the second light source and is obliquely arranged so as to reflect light rays emitted by the second light source to the detection position;
the first reflecting plate and the second reflecting plate are axisymmetric with respect to the center of the detection position;
the photographing device of the dry chemical test strip further comprises a frame body, the frame body is arranged on the test strip table and connected with the test strip table, the reflecting plate is arranged on the frame body and connected with the frame body, and the camera is arranged on the top of the frame body and connected with the frame body;
the photographing device of the dry chemical test strip further comprises a stop block for shielding and adjusting light rays emitted by the light source;
the stop block is arranged between the light source and the detection position and can move between the light source and the detection position;
the stop block comprises a blocking part and a sliding part, and the blocking part is fixedly connected with the sliding part; the photographing device of the dry chemical test strip further comprises an angle adjusting plate, wherein the angle adjusting plate is arranged on the frame body and can rotate relative to the frame body, and the reflecting plate is arranged on the angle adjusting plate and is connected with the angle adjusting plate; the frame body is also provided with a groove, one end of the angle adjusting plate is rotatably connected with the frame body, the other end of the angle adjusting plate is arranged in the groove, the angle adjusting plate can generate displacement in the groove and can lock the frame body, the frame body is provided with a cavity for accommodating the angle adjusting plate, and the cavity is communicated with the groove; the light path length of the light emitted by the light source passes through the reflector plate, the light path length of the light reaching the central part of the test strip is longer, and the light path length of the light reaching the edge part of the test strip is shorter, so that the brightness of the central part of the test strip is lower than the edge brightness.
2. The photographing device for dry chemical test strips according to claim 1, wherein: the light source is arranged on the test paper table, a chute is arranged between the light source and the detection position, the stop block is arranged in the chute, and the stop block can slide in the chute and can be locked.
3. A dry chemical analyzer comprising the photographing device of the dry chemical test strip of any one of claims 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011287556.5A CN112525894B (en) | 2020-11-17 | 2020-11-17 | Photographing device for dry chemical test strip and dry chemical analyzer |
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| CN202011287556.5A CN112525894B (en) | 2020-11-17 | 2020-11-17 | Photographing device for dry chemical test strip and dry chemical analyzer |
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| CN112525894B true CN112525894B (en) | 2024-01-09 |
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| CN107589072A (en) * | 2017-08-30 | 2018-01-16 | 东莞新友智能科技有限公司 | A kind of light supply apparatus for Surface testing |
| CN209707382U (en) * | 2019-03-12 | 2019-11-29 | 宁波美康盛德生物科技有限公司 | A kind of dry type chemical analysis instrument |
| CN110133261A (en) * | 2019-06-12 | 2019-08-16 | 湖南伊鸿健康科技有限公司 | A kind of detection device of colloid gold test paper colour developing result, system and method |
| CN210401431U (en) * | 2019-06-26 | 2020-04-24 | 上海艾瑞德生物科技有限公司 | Cross-platform detection device for detecting fluorescence immunity and colloidal gold reagent strips |
| CN111179362A (en) * | 2019-12-14 | 2020-05-19 | 西安交通大学 | Test paper color uniformity detection method based on dynamic illumination correction algorithm |
| CN111189840A (en) * | 2020-01-13 | 2020-05-22 | 陕西科技大学 | Paper defect detection method with near-field uniform illumination |
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