CN205374301U - Measure device of solution strength - Google Patents
Measure device of solution strength Download PDFInfo
- Publication number
- CN205374301U CN205374301U CN201620130136.9U CN201620130136U CN205374301U CN 205374301 U CN205374301 U CN 205374301U CN 201620130136 U CN201620130136 U CN 201620130136U CN 205374301 U CN205374301 U CN 205374301U
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- Prior art keywords
- cuvette
- laser instrument
- solution
- concentration
- optical screen
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Abstract
The utility model discloses a measure device of solution strength, including laser instrument, cell, screen, the cell is used for holding required measuring solution, and laser instrument and screen are located the both sides of cell respectively to laser instrument, cell, screen are located same horizontal plane. The utility model discloses an it is lower to install simple cost, can conveniently operate the concentration that is used for measuring solution, and data reduce human error by the computer processing.
Description
Technical field
The invention belongs to chemical instruments technical field, particularly to a kind of device for measuring solution concentration.
Background technology
Nowadays conventional measurement solution, the method for concentration of emulsion used are the measurements of solution refractive index, are owing to refractive index and solution concentration are closely related.Currently using more Abbe refractometer still has measurement scope relatively small, the defect of online and automatic measurement can not be realized, and polariscope measures concentration, it is only applicable to optical activity solution, judge that by human eye whether the brightness of three share vision field identical, it is easy to produce bigger error, although and same widely used spectrophotography be an accurate instrument, but it is comparatively strict to working environment, expensive operator are required height.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of device measuring solution concentration, to improve degree of accuracy, reduces artificial error in reading.
For achieving the above object, this utility model is by the following technical solutions:
A kind of device measuring solution concentration, including laser instrument, cuvette, optical screen, described cuvette is for holding the solution of required measurement, and laser instrument and optical screen lay respectively at the both sides of cuvette, and laser instrument, cuvette, optical screen are positioned in same level.
Further, also including object stage, cuvette is positioned on object stage.
Described optical screen near field is provided with image acquisition equipment.
Described image acquisition equipment is photographing unit or photographic head.
Described image acquisition equipment is connected to computer.
Cuvette holds the solution of required measurement, by cuvette as on object stage, open laser instrument, optical screen obtains the hot spot after solution reflects, gather in light spot image input computer by software analysis image with photographing unit, obtain the average intensity data corresponding to each concentration hot spot, certain solution is measured and organizes concentration data more, the empirical formula of matching concentration and average intensity, again experimental provision is fixed up, calibrate complete after, the concentration testing this solution just can be obtained average intensity by light spot image analytical data, concentration value is gone out again by empirical formula direct inversion.
The beneficial effects of the utility model are: the device of the measurement solution concentration that this utility model provides, and by laser instrument, obtain the hot spot after solution reflects, utilize image acquisition and Computer imaging analysis system to calculate concentration on optical screen.The simple cost of device of the present utility model is relatively low, it is possible to convenient operation is used for measuring the concentration of solution, and data, by computer disposal, reduce personal error.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
It is illustrated in figure 1 a kind of device measuring solution concentration, including laser instrument 1, object stage 2, cuvette 3, optical screen 4, described cuvette 3 is for holding the solution of required measurement, laser instrument 1 and optical screen 4 lay respectively at the both sides of cuvette 3, and laser instrument 1, cuvette 3, optical screen 4 are positioned in same level；Cuvette 3 is positioned on object stage 2.
Optical screen 4 near field is provided with photographing unit, and photographing unit is connected to computer, is used for gathering image and collecting image.
Solution to be measured is put in cuvette, keep the volume pouring solution into identical, treat solution-stabilized, take hot spot with photographing unit, then picture is imported computer, by software processes, coloured image is converted into gray-scale map, and gray threshold is set selects the border of hot spot and be approximately elliptic curve, least square fitting go out curve representation formula, ellipse area formula calculating ellipse light spot area is S, again all gray values in border are all added up as H, byCalculating average intensity is A, by the empirical formula of concentration Yu average intensity, average intensity data is substituted into and can be finally inversed by concentration value.
The above is only preferred implementation of the present utility model; it is noted that, for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. the device measuring solution concentration, it is characterized in that: include laser instrument (1), cuvette (3), optical screen (4), described cuvette (3) is for holding the solution of required measurement, laser instrument (1) and optical screen (4) lay respectively at the both sides of cuvette (3), and laser instrument (1), cuvette (3), optical screen (4) are positioned in same level.
2. the device measuring solution concentration as claimed in claim 1, it is characterised in that: also including object stage (2), cuvette (3) is positioned on object stage (2).
3. the device measuring solution concentration as claimed in claim 1, it is characterised in that: described optical screen (4) near field is provided with image acquisition equipment.
4. the device measuring solution concentration as claimed in claim 3, it is characterised in that: described image acquisition equipment is photographing unit or photographic head.
5. the device of the measurement solution concentration as described in claim 3 or 4, it is characterised in that: described image acquisition equipment is connected to computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130136.9U CN205374301U (en) | 2016-02-19 | 2016-02-19 | Measure device of solution strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620130136.9U CN205374301U (en) | 2016-02-19 | 2016-02-19 | Measure device of solution strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374301U true CN205374301U (en) | 2016-07-06 |
Family
ID=56270866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620130136.9U Expired - Fee Related CN205374301U (en) | 2016-02-19 | 2016-02-19 | Measure device of solution strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374301U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404717A (en) * | 2016-12-01 | 2017-02-15 | 王琪 | Pesticide residue detection device based on measurement of geometric quantity of light spot |
| CN106404716A (en) * | 2016-12-01 | 2017-02-15 | 王琪 | Pesticide residue detecting method based on light spot geometric quantity measurement |
| CN109060619A (en) * | 2018-08-24 | 2018-12-21 | 哈尔滨北极星科技有限公司 | A kind of low deuterium-oxide detection device and detection method |
| CN113804754A (en) * | 2021-09-18 | 2021-12-17 | 南京信息工程大学 | Soluble organic matter aqueous solution detection device and detection method |
-
2016
- 2016-02-19 CN CN201620130136.9U patent/CN205374301U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404717A (en) * | 2016-12-01 | 2017-02-15 | 王琪 | Pesticide residue detection device based on measurement of geometric quantity of light spot |
| CN106404716A (en) * | 2016-12-01 | 2017-02-15 | 王琪 | Pesticide residue detecting method based on light spot geometric quantity measurement |
| CN109060619A (en) * | 2018-08-24 | 2018-12-21 | 哈尔滨北极星科技有限公司 | A kind of low deuterium-oxide detection device and detection method |
| CN109060619B (en) * | 2018-08-24 | 2024-02-23 | 哈尔滨北极星科技有限公司 | Deuterium-depleted water detection device and detection method |
| CN113804754A (en) * | 2021-09-18 | 2021-12-17 | 南京信息工程大学 | Soluble organic matter aqueous solution detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20180219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |