CN104730033B - A kind of digitized measurement method of the refractometer equipment based on intelligent terminal - Google Patents
A kind of digitized measurement method of the refractometer equipment based on intelligent terminal Download PDFInfo
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- CN104730033B CN104730033B CN201510134540.3A CN201510134540A CN104730033B CN 104730033 B CN104730033 B CN 104730033B CN 201510134540 A CN201510134540 A CN 201510134540A CN 104730033 B CN104730033 B CN 104730033B
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Abstract
A kind of the refractometer equipment and its digitized measurement method based on intelligent terminal of the present invention, is related to field of fast detection.The equipment includes：Intelligent terminal, refractometer and connector；Connector includes：Fixed plate, vertical plate, L-type plate and fastening structure；Intelligent terminal is arranged on fixed plate and connects to be formed in neck with vertical plate, and refractometer is arranged in the annulus set of L-type plate；Fastening structure passes through L-type plate, vertical plate, is tightened and is connected in fixed plate, and intelligent terminal pick-up lens is oppositely arranged with refractometer eyepiece.This method includes：Original color image → scale target area → paint projection curve, obtain the concentration of actual refractive power reading → calculating solution to be measured of resolution height → calculating penumbra of penumbra.The present invention realizes that camera using intelligent terminal is quick and convenient, obtain refractive power position high-accuracy, using the APP application software installed on intelligent terminal, improves by refractometer the real time measure solution concentration accuracy and precision.
Description
Technical field
The present invention relates to the digitlization of field of fast detection, more particularly to a kind of refractometer equipment based on intelligent terminal to survey
Determine method.
Background technology
Refractometer is widely used in solution concentration measure, especially determines the concentration of similar sucrose solution.Existing literature provides
Material and market situation show that conventional digital refractometer precision of measurement is higher, are primarily used to the specialty detection such as laboratory, but
Price is higher；And conventional visual refractometer is the concentration for reflecting measured matter using the scale demarcated, although price is low,
But the visual refractometer of dedicated version is needed to use when determining every kind of material concentration could realize measure to the material concentration,
Accuracy of reading is poor, and is unfavorable for data processing and calibration.
The content of the invention
It is an object of the invention to provide a kind of digitized measurement method of the refractometer equipment based on intelligent terminal, so that
Solve foregoing problems present in prior art.
To achieve these goals, the refractometer equipment of the invention based on intelligent terminal, the equipment include：Intelligence is eventually
End, refractometer and connector；The connector includes：Fixed plate, vertical plate, L-type plate and fastening structure；The intelligent terminal is set
Put in the intelligent terminal neck formed after the fixed plate connects with the vertical plate, the refractometer is arranged on the L-type
In the annulus set of plate；The fastening structure passes through the perpendicular section of the crosspiece of the L-type plate, the vertical plate, the company of being tightened
It is connected in the perpendicular section of the fixed plate, and the eyepiece of the pick-up lens of the intelligent terminal and the refractometer is oppositely arranged.
Preferably, the fixed plate is the first L-shaped structure, and the crosspiece of first L-shaped structure is arranged to intelligent end
Lower limit bit architecture is held, the intelligent terminal is close on the inside of the perpendicular section of first L-shaped structure, described erect is close in perpendicular section outside
The guide ledges matched with the vertical plate, the guide ledges are provided with the outside of the perpendicular section of straight panel and first L-shaped structure
It is provided with the hole slot matched with the fastening structure；The hole slot does not penetrate the perpendicular section of first L-shaped structure；Described first
The outside of the crosspiece of L-shaped structure sets a screwed hole, and the screwed hole matches with the bolt on tripod, the screwed hole
The crosspiece of first L-shaped structure is not penetrated.
It is highly preferred that the crosspiece of the vertical plate is arranged to intelligent terminal upper limit structure, its with the intelligent terminal
Position limiting structure is oppositely arranged to form intelligent terminal neck；The intelligent terminal upper limit structure, the intelligent terminal lower limit knot
The position that structure and the fixed plate erect section interior side contacts intelligent terminal is provided with rubber cushion.
Preferably, the vertical plate is the second L-shaped structure, and the crosspiece of second L-shaped structure is arranged to intelligent end
Upper limit structure is held, is close on the inside of the perpendicular section of second L-shaped structure on the outside of the perpendicular section of the fixed plate, second " L "
It is close to the cross-section outside of L-type plate on the outside of the perpendicular section of type structure, and the perpendicular section of second L-shaped structure is provided with and the guiding
First chute of boss matching.
Preferably, the crosspiece of the L-type plate is provided with the second chute matched with the fastening structure, and the L-type plate erects
Fixed setting annulus set on the outside of Duan Duantou；Plane where the annulus set is parallel with plane where the crosspiece of the L-type plate.
The digitized measurement method of the refractometer equipment based on intelligent terminal of the present invention, the method comprise the following steps：
S1, refractometer obtain the refractive power coloured image of solution A to be measured, and intelligent terminal is loaded into the refractive power coloured image, and
Labeled as original color image；The resolution ratio of the original color image is a × b；
S2, the original color image is converted into gray level image Imgray, then cut out to obtain scale target area, it is described
The resolution ratio of scale target area is p × q；
S3, using gray value in the scale target area to Y-coordinate axle on do the obtained projection value of projection as Y values, with institute
The total height q of the resolution ratio of scale target area is stated as X values, paint projection curve, the drop shadow curve is subjected to first-order difference
The abscissa for obtaining derivative maximum point W, the point W is the resolution height of penumbra in the refractive power coloured image
f；
S4, the actual refractive power reading of penumbra in the refractive power coloured image is obtained according to scale calculation formula (1)
R；
Wherein, the R represents the actual refractive power reading of penumbra, unit DEG C；
The resolution height of the scale target area corresponding to point W obtained in the f expression steps S3；
The q represents the resolution ratio total height of the scale target area；
The L represents the physical length of the refractive power image in the refractometer, unit mm；
The d represents refractive power coloured image base in the refractometer to the physical length of 0 groove, unit mm；
The m represents refractive power reading corresponding to per unit length in the refractometer, unit DEG C/mm；
S5, pass through concentration calculation formula (2), the concentration C of the calculating solution A to be measured；
Wherein, the C represents the concentration of solution A to be measured, %；
K, the linear coefficient between b obtains by standard liquid concentration and refractive power reading obtains, and is specially：According to advance
The concentration of demarcation is CStandardStandard liquid and refractometer reading RStandardBetween Relation acquisition, such as formula (3),
RStandard=k × CStandard+b (3)。
Preferably, step S2, the original color image is converted into gray level image Imgray, then cut out to obtain scale
Target area, specifically realize by the following method：
A1, the original color image is converted into gray level image Imgray；
A2, the gray level image is converted into bianry image Imbinary；
A3, largest connected region is obtained in the binary image；
A4, according to the largest connected region of acquisition, cut and obtain scale target area.
It is highly preferred that in step A1, the original color image is converted into gray level image Imgray, using following formula
(4) realize：
Imgray=R × 0.2989+G × 0.5870+B × 0.1140 (4)；
Wherein, R represents Red, i.e., red；G represents Green, i.e., green；B represents Blue, i.e., blue.
It is highly preferred that in step A2, preset threshold value α, and according to the threshold alpha by gray level image ImgrayIt is converted into
Bianry image Imbinary, using following formula (5)：
It is highly preferred that step A3, obtains largest connected region in the binary image, it is specifically real by the following method
It is existing：
The eight connectivity area of each pixel is constructed, is then based on eight connectivity principle, is begun stepping through from any one pixel
The binary image Imbinary, mark and record every a line or each row in it is of equal value right, then according to it is described equivalence to right
The binary image ImbinaryRe-flagged, of equal value connected to corresponding pixel obtained after re-flagging obtains
Largest connected region.
The beneficial effects of the invention are as follows：
The present invention is improved dense by refractometer the real time measure solution using the APP application software installed on intelligent terminal
Spend accuracy and precision, realize the digitlization of refractometer, expand the use range of refractometer, be advantageous to refractometer this
Economical apparatus enters the amateur detection fields such as family.Therefore, the Fast Detection Technique of the index determination based on intelligent terminal
And its application is significant.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the refractometer equipment based on intelligent terminal described in embodiment 1；
Fig. 2 is the schematic side view of the refractometer equipment based on intelligent terminal described in embodiment 1；
Fig. 3 is the schematic perspective view of connector described in embodiment 1；
Fig. 4 is that Fig. 3 is regarded from A-A ' directions, the schematic diagram of the connector；
Fig. 5 is that Fig. 3 is regarded from B-B ' directions, the schematic diagram of the connector；
Fig. 6 is the structural representation of fixed plate described in embodiment 1；
Wherein, 1 intelligent terminal is represented；2 represent refractometer；
3 represent fixed plate, and 31 represent the crosspiece of fixed plate, and 32 represent the perpendicular section of fixed plate, and 33 represent guide ledges, 34 tables
Show hole slot；
4 represent vertical plate, and 41 represent the crosspiece of vertical plate, and 42 represent the perpendicular section of vertical plate, and 421 represent the second chute；
5 represent L-type plates, and 51 represent the crosspiece of L-type plates, and 52 represent the perpendicular section of L-type plates, and 53 represent annulus sets, and 511 represent the
One chute；
6 represent fastening structure；
Fig. 7 is the schematic flow sheet of the digitizing solution of the refractometer equipment based on intelligent terminal described in embodiment 2；
Fig. 8 is that intelligent terminal is loaded into the refractive power coloured image in embodiment 2；
Fig. 9 is the gray level image that original color image is converted into described in embodiment 2；
Figure 10 is the bianry image that gray level image changes into described in embodiment 2；
Figure 11 is scale target area schematic diagram described in embodiment 2；
Figure 12 is drop shadow curve's exemplary plot described in embodiment 2；
Figure 13 is the difference curve figure of drop shadow curve described in Figure 11；
Figure 14 is that graduation mark position marks schematic diagram in embodiment 2；
Figure 15 is the curve map of the refractometer graduation mark position of embodiment 2 and various concentrations NaCl solution；
Figure 16 is the curve map of the refractometer graduation mark position of embodiment 2 and various concentrations sucrose solution；
Figure 17 is the curve map of the refractometer graduation mark position of embodiment 2 and different concentration ethanol solution；
Figure 18 is the principle schematic of the refractometer equipment based on intelligent terminal described in embodiment 2；
Wherein, 17-1 represents measurement medium, 17-2 glass prisms, and 17-3 represents plus lens, and 17-4 represents that scale plate is burnt
Face, 17-5 represent eyepiece, and 17-6 represents intelligent terminal camera；
Figure 19 is the eight connectivity area schematic diagram of any one pixel in binary image described in embodiment 2.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing, the present invention is entered
Row is further described.It should be appreciated that embodiment described herein is not used to only to explain the present invention
Limit the present invention.
Embodiment 1
Reference picture 1- Fig. 6, the refractometer equipment based on intelligent terminal in the present embodiment, the equipment include：Intelligence is eventually
End 1, refractometer 2 and connector；
The connector includes：Fixed plate 3, vertical plate 4, L-type plate 5 and fastening structure 6 for fixing refractometer；It is described
Intelligent terminal 1 is arranged in the intelligent terminal neck formed after the fixed plate 3 and the connection of the vertical plate 4, the refractometer 2
It is arranged in the annulus set 53 of the L-type plate 5；
The fastening structure 6 passes through the first chute 511, the vertical plate set on the crosspiece 51 of the L-type plate 5
The second chute 421 set in 4 perpendicular section 42, is tightened and is connected in the perpendicular section 32 of the fixed plate 3, and the intelligence is eventually
The eyepiece of the pick-up lens and the refractometer 2 at end 1 is oppositely arranged.
In the present embodiment, the fixed plate 3 is the first L-shaped structure, and the crosspiece 31 of first L-shaped structure is set
For intelligent terminal lower limit bit architecture, the intelligent terminal 1, perpendicular section outside are close in the inner side of perpendicular section 32 of first L-shaped structure
It is close to the vertical plate 4, and the outside of perpendicular section 32 of first L-shaped structure is provided with the first chute with the vertical plate 4
The guide ledges 33 matched somebody with somebody, the guide ledges 33 are provided with the hole slot 34 matched with the fastening structure 6.
In the present embodiment, the hole slot does not penetrate first L-shaped structure and erects section 32.First L-shaped structure
The outside of crosspiece 31 sets a screwed hole, and the screwed hole matches with the bolt on three-legged support, and the screwed hole does not penetrate
The first L-shaped structure crosspiece 31.
In the present embodiment, the crosspiece 41 of the vertical plate is arranged to intelligent terminal upper limit structure, itself and the intelligence
Terminal lower limit bit architecture is oppositely arranged to form the intelligent terminal neck.
The intelligent terminal upper limit structure, the intelligent terminal lower limit bit architecture and the fixed plate erect section interior side contacts
The position of intelligent terminal is provided with rubber cushion.
In the present embodiment, the vertical plate is the second L-shaped structure, and the second L-shaped structure crosspiece 41 is arranged to
Intelligent terminal upper limit structure, second L-shaped structure, which erects the inner side of section 42 and is close to the fixed plate 32, erects on the outside of section, and described the
Cross-section 51 outside of the L-type plate is close in the outside of perpendicular section 42 of two L-shaped structures, and second L-shaped structure is erected section 42 and is provided with
The first chute matched with the guide ledges 33, sliding by the first chute and guide ledges 33 close, by vertical plate it is spacing
In fixed plate.
In the present embodiment, L-type plate crosspiece 51 is provided with the second chute 511 matched with the fastening structure 6, the L-type
It is fixedly installed on the outside of the termination of perpendicular section 52 of plate for fixing refractometer annulus set 53.The annulus covers 53 place planes and the L
The place plane of template crosspiece 51 is parallel.
In the present embodiment, the equipment also includes：The A-frame being detachably connected with the crosspiece of the fixed plate.Institute
The material for stating fixed plate, vertical plate and L-type plate is aluminum alloy material, but is not limited to aluminum alloy material.
In the present invention, the intelligent terminal is to be mounted with index of refraction Survey Software smart mobile phone, notebook or tablet personal computer,
The index of refraction Survey Software can record index of refraction parameter, after built-in algorithms correct, by index of refraction parameter transcoding into
The concentration of measured matter.
Embodiment 2
Reference picture 7- Figure 19, use the digitized measurement of the refractometer equipment based on intelligent terminal as described in example 1 above
Method, comprise the following steps：
S1, refractometer obtain the refractive power coloured image of sucrose solution to be measured, and intelligent terminal is loaded into the refractive power coloured image,
And it is labeled as original color image；The resolution ratio of the original color image is a × b, specially 720 × 1280, such as Fig. 8 institutes
Show；
S2, the original image is converted into gray level image, and by cutting out to obtain scale target area, the scale target
The resolution ratio in area is p × q, specially 112 × 180；
S3, using gray value in scale target area to Y-coordinate axle on do the obtained projection value of projection as Y value, with the quarter
The resolution ratio total height 180 for spending target area is used as X values, paint projection curve, i.e., shown in Figure 12, the drop shadow curve is carried out into one
Order difference obtains the maximum point W of derivative, i.e., shown in Figure 13, the abscissa of the point W is light and shade boundary in the refractive power image
The resolution height f at place；Wherein, the f=132；
S4, scale calculation formula (1) obtain the actual refractive power reading R, such as Figure 14 of penumbra in the refractive power image
It is shown；I.e.
S5, pass through concentration calculation formula (2), the concentration C of the calculating solution A to be measured；
Wherein, R=3, k=100, b=0, the concentration of the solution A to be measured is 3%.
Wherein, the resolution height of the scale target area corresponding to point W obtained in the f expression steps S3；
The q represents the resolution ratio total height of the scale target area；
The L represents the physical length of the refractive power image in the refractometer, unit mm；The parameter is given by refractometer；
The d represents refractive power coloured image base in the refractometer to the physical length of 0 groove, unit mm；The ginseng
Number is given by refractometer；
The m represents refractive power reading corresponding to per unit length in the refractometer, unit DEG C/mm；The parameter is by refractive power
Instrument gives；
The a represents the width of the resolution ratio of original color image, and the b represents the height of the resolution ratio of original color image
Degree；
The p represents the width of the resolution ratio of scale target area, and the q represents the height of the resolution ratio of scale target area.
In the present embodiment, step S2, the original color image is converted into gray level image Imgray, then cut out
To scale target area, specifically realize by the following method：
A1, the original color image is converted into gray level image Imgray, as shown in Figure 9；
A2, the gray level image is converted into bianry image Imbinary, as shown in Figure 10；
A3, largest connected region is obtained in the binary image, as shown in figure 11；
A4, according to the largest connected region of acquisition, cut and obtain scale target area.
In the present embodiment, in step A1, the original color image is converted into gray level image Imgray, use is following
Formula (3) is realized：
Imgray=R × 0.2989+G × 0.5870+B × 0.1140 (3)；
Wherein, R represents Red, i.e., red；G represents Green, i.e., green；B represents Blue, i.e., blue.
In the present embodiment, in step A2, preset threshold value α, and according to the threshold alpha by gray level image ImgrayTurn
Turn to bianry image Imbinary, using following formula (4)：
In the present embodiment, step A3, largest connected region is obtained in the binary image, specifically according to following sides
Method is realized：As shown in figure 19, it is middlePixel is represented, remaining ● eight areas of UNICOM of the pixel are represented, construction is often
The eight connectivity area of individual pixel, is then based on eight connectivity principle, and the binary image is begun stepping through from any one pixel
Imbinary, mark and record every a line or each row in it is of equal value right, then according to it is described equivalence to the binary image
ImbinaryRe-flagged, what is obtained after re-flagging is of equal value to the largest connected region of corresponding pixel connection acquisition.
According to heretofore described refractometer digitized measurement method, various concentrations sodium chloride solution, difference are determined respectively
Relation between concentration sucrose solution and different concentration ethanol solution various concentrations and scale value, as a result such as the institute of Figure 15,16 and 17
Showing, as shown by data, under the conditions of comparable sodium, the refractive power number of division of sodium chloride solution, sucrose solution and ethanol solution is sequentially reduced,
Meet the index of refraction data of sodium chloride, sucrose and ethanol solution.
The heretofore described refractometer equipment based on intelligent terminal, its technical principle are when light passes through liquid substance
When, because the index of refraction of material is different, different refractive power positions is produced on focal plane, being taken a picture to pop one's head in intelligent terminal obtains refractive power position
Postpone, after intelligent terminal APP softwares carry out data processing, it is possible to obtain the concentration of measured matter, as shown in figure 18.Scheming
In 18, if incident light A reaches interface BC, when AB and the angle of AC and normal are less than critical angle, light AB, AC are through prism BC
Interfacial refraction is emitted to DE interfaces, and through plus lens in scale focal plane into light and shade two-colour image, the picture passes through eyepiece, and available handsets are shone
Mutually preserve picture.It is different to measure the refractive index of medium, its critical angle difference, scale focal plane is different into the double-colored image position of light and shade, root
It is different from the distance between reference line according to focal plane phase light and shade position line of demarcation, it can obtain measuring the index of refraction of medium.Because refractive power shows
As being influenceed by factors such as illumination wavelength and medium temperatures, the index of refraction of measurement needs to use standard reference materials to be calibrated.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained：
The present invention is improved dense by refractometer the real time measure solution using the APP application software installed on intelligent terminal
Spend accuracy and precision, realize the digitlization of refractometer, expand the use range of refractometer, be advantageous to refractometer this
One economical apparatus enters the amateur detection fields such as family.Therefore, the quick detection skill of the index determination based on intelligent terminal
Art and its application are significant.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (9)
- A kind of 1. digitized measurement method of refractometer equipment of use based on intelligent terminal, it is characterised in thatThe refractometer equipment based on intelligent terminal includes intelligent terminal, refractometer and connector；The connector includes：Gu Fixed board, vertical plate, L-type plate and fastening structure；The intelligent terminal is arranged on shape after the fixed plate connects with the vertical plate Into intelligent terminal neck in, the refractometer be arranged on the L-type plate annulus set in；The fastening structure passes through institute Crosspiece, the perpendicular section of the vertical plate of L-type plate are stated, is tightened and is connected in the perpendicular section of the fixed plate, and the intelligence is eventually The eyepiece of the pick-up lens at end and the refractometer is oppositely arranged；It the described method comprises the following steps：S1, refractometer obtain the refractive power coloured image of solution A to be measured, and intelligent terminal is loaded into the refractive power coloured image, and marks For original color image；The resolution ratio of the original color image is a × b；S2, the original color image is converted into gray level image Imgray, then cut out to obtain scale target area, the scale mesh The resolution ratio for marking area is p × q；S3, using gray value in the scale target area to Y-coordinate axle on do the obtained projection value of projection as Y value, with the quarter The total height q of the resolution ratio of target area is spent as X values, paint projection curve, drop shadow curve progress first-order difference is obtained Derivative maximum point W, the point W abscissa are the resolution height f of penumbra in the refractive power coloured image；S4, the actual refractive power reading R of penumbra in the refractive power coloured image is obtained according to scale calculation formula (1)；<mrow> <mi>R</mi> <mo>=</mo> <mo>&lsqb;</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>-</mo> <mfrac> <mi>f</mi> <mi>q</mi> </mfrac> <mo>)</mo> </mrow> <mo>&times;</mo> <mi>L</mi> <mo>-</mo> <mi>d</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <mi>m</mi> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>1</mn> <mo>)</mo> </mrow> <mo>;</mo> </mrow>Wherein, the R represents the actual refractive power reading of penumbra, unit DEG C；The resolution height of the scale target area corresponding to point W obtained in the f expression steps S3；The q represents the resolution ratio total height of the scale target area；The L represents the physical length of the refractive power image in the refractometer, unit mm；The d represents refractive power coloured image base in the refractometer to the physical length of 0 groove, unit mm；The m represents refractive power reading corresponding to per unit length in the refractometer, unit DEG C/mm；S5, pass through concentration calculation formula (2), the concentration C of the calculating solution A to be measured；<mrow> <mi>C</mi> <mo>=</mo> <mfrac> <mrow> <mi>R</mi> <mo>-</mo> <mi>b</mi> </mrow> <mi>k</mi> </mfrac> <mo>-</mo> <mo>-</mo> <mo>-</mo> <mrow> <mo>(</mo> <mn>2</mn> <mo>)</mo> </mrow> <mo>;</mo> </mrow>Wherein, the C represents the concentration of solution A to be measured, %；K, the linear coefficient between b obtains by standard liquid concentration and refractive power reading obtains, and is specially：According to advance demarcation Concentration be CStandardStandard liquid and refractometer reading RStandardBetween Relation acquisition, such as formula (3),RStandard=k × CStandard+b (3)。
- 2. assay method according to claim 1, it is characterised in that step S2, the original color image is converted into ash Spend image Imgray, then cut out to obtain scale target area, specifically realize by the following method：A1, the original color image is converted into gray level image Imgray；A2, the gray level image is converted into bianry image Imbinary；A3, largest connected region is obtained in the binary image；A4, according to the largest connected region of acquisition, cut and obtain scale target area.
- 3. assay method according to claim 2, it is characterised in that in step A1, the original color image is converted into Gray level image Imgray, realized using following formula (4)：Imgray=R × 0.2989+G × 0.5870+B × 0.1140 (4)；Wherein, R represents Red, i.e., red；G represents Green, i.e., green；B represents Blue, i.e., blue.
- 4. assay method according to claim 2, it is characterised in that in step A2, preset threshold value α, and according to described Threshold alpha is by gray level image ImgrayIt is converted into bianry image Imbinary, using following formula (5)：
- 5. assay method according to claim 2, it is characterised in that step A3, obtained in the binary image maximum Connected region, specifically realize by the following method：The eight connectivity area of each pixel is constructed, is then based on eight connectivity principle, is begun stepping through from any one pixel described Binary image Imbinary, mark and record every a line or each row in it is of equal value right, then according to it is described equivalence to described Binary image ImbinaryRe-flagged, of equal value connected to corresponding pixel obtained after re-flagging obtains maximum Connected region.
- 6. assay method according to claim 1, it is characterised in that the fixed plate is the first L-shaped structure, described first The crosspiece of L-shaped structure is arranged to intelligent terminal lower limit bit architecture, is close to the intelligence on the inside of the perpendicular section of first L-shaped structure Energy terminal, perpendicular section outside is close to be provided with the outside of the perpendicular section of the vertical plate and first L-shaped structure and the vertical plate The guide ledges matched somebody with somebody, the guide ledges are provided with the hole slot matched with the fastening structure；The hole slot does not penetrate the perpendicular section of first L-shaped structure；The outside of the crosspiece of first L-shaped structure sets a screwed hole, the screwed hole and the bolt on tripod Match somebody with somebody, the screwed hole does not penetrate the crosspiece of first L-shaped structure.
- 7. assay method according to claim 1, it is characterised in that the crosspiece of the vertical plate is arranged to the intelligent terminal upper limit Bit architecture, it is oppositely arranged to form intelligent terminal neck with the intelligent terminal lower limit bit architecture；The intelligent terminal upper limit structure, the intelligent terminal lower limit bit architecture and the fixed plate erect section interior side contacts intelligence The position of terminal is provided with rubber cushion.
- 8. assay method according to claim 6, it is characterised in that the vertical plate is the second L-shaped structure, described second The crosspiece of L-shaped structure is arranged to intelligent terminal upper limit structure, is close on the inside of the perpendicular section of second L-shaped structure described solid It is close to the cross-section outside of L-type plate, and second " L " on the outside of the perpendicular section of fixed board, on the outside of the perpendicular section of second L-shaped structure The perpendicular section of type structure is provided with the first chute matched with the guide ledges.
- 9. assay method according to claim 1, it is characterised in that the crosspiece of the L-type plate is provided with and the fastening structure Second chute of matching, the perpendicular section termination outside fixed setting annulus set of the L-type plate；Plane where annulus set with it is described Plane where the crosspiece of L-type plate is parallel.
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| CN203838059U (en) * | 2014-03-06 | 2014-09-17 | 上海尚光显微镜有限公司 | Full-automatic abbe refractometer |
| CN203847959U (en) * | 2014-04-18 | 2014-09-24 | 陈灿 | Connecting frame used for fixing smart phone on microscope eyepiece |
| CN204514805U (en) * | 2015-03-25 | 2015-07-29 | 核工业北京地质研究院 | A kind of refractometer equipment based on intelligent terminal |
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| CN101153842A (en) * | 2006-09-25 | 2008-04-02 | 王林 | Ethyl alcohol instrument and calibration dividing method for its reticle |
| CN203838059U (en) * | 2014-03-06 | 2014-09-17 | 上海尚光显微镜有限公司 | Full-automatic abbe refractometer |
| CN203847959U (en) * | 2014-04-18 | 2014-09-24 | 陈灿 | Connecting frame used for fixing smart phone on microscope eyepiece |
| CN204514805U (en) * | 2015-03-25 | 2015-07-29 | 核工业北京地质研究院 | A kind of refractometer equipment based on intelligent terminal |
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