CN201477044U - Intelligent digital Abbe refractometer - Google Patents
Intelligent digital Abbe refractometer Download PDFInfo
- Publication number
- CN201477044U CN201477044U CN2009201755925U CN200920175592U CN201477044U CN 201477044 U CN201477044 U CN 201477044U CN 2009201755925 U CN2009201755925 U CN 2009201755925U CN 200920175592 U CN200920175592 U CN 200920175592U CN 201477044 U CN201477044 U CN 201477044U
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- prism
- abbe refractometer
- ccd receiver
- control module
- electronic control
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Abstract
The utility model relates to an intelligent digital Abbe refractometer, which comprises an LED light source, a CCD receiver, a miniature printer and a digital liquid crystal display, wherein a total reflecting light path device is arranged between the LED light source and the CCD receiver, the total reflecting light path device comprises an optical collector, an optical reflector is arranged under the optical collector, an auxiliary prism is arranged at the top right of the optical reflector, a measuring prism is arranged on the upper surface of the auxiliary prism, a cylindrical mirror is arranged at the right side of the measuring prism, an electronic control module device is arranged at the right side of the CCD receiver, and the electronic control module device is respectively connected with the miniature printer and the digital liquid crystal display through lines. The intelligent digital Abbe refractometer has the advantages of full automatic measurement, artificial error avoidance, convenient operation and high testing speed, achieves testing process automation and test result digitization in deed, and can be widely used for on-line testing and finished product detection in trades of sugar manufacture, foods and drinks, medicine production, chemical industry, daily-use chemical industry and the like.
Description
Technical field
The utility model relates to a kind of intelligent digital Abbe refractometer.
Background technology
Light and matter interaction can produce various optical phenomenas, (as refraction, reflection, scattering, transmission, absorption, optically-active and the material stimulated radiation etc. of light), by these optical phenomenas of analyzing and researching, can provide the bulk information of aspects such as atom, molecule and crystal structure.So, no matter, all be unable to do without optical measurement at the aspects such as constituent analysis, structure determination and photochemical reaction of material.Refractive index is one of important physical constant of material, and many pure materials all have certain refractive index, if wherein contain impurity then refractive index will change, deviation occurs, and impurity is many more, and deviation is big more.Therefore by the mensuration of refractive index, can measure the concentration of material.Abbe refractometer is that a high index prism is as master prism according to the principle design of total reflection, and testing sample is close to its surface, when light in prism during the directive sample surfaces, incident angle reaches the certain value time total reflection will take place, and no longer enters sample; Otherwise, when the light in the sample with various possible incident angles during to prism incident, will there be a ultimate value at the refraction angle, determination limit refraction angle and prism vertex angle, the refractive index value of utilization master prism just can calculate the refractive index value of sample.
The utility model content
The purpose of this utility model provides a kind of intelligent digital Abbe refractometer, can measure transparent, the refractive index of translucent liquid and the concentration of sugar juice automatically, advanced electronic module function technology and powerful software calculation function have fully been adopted, realized all automatic measurement, avoided the personal error of traditional Abbe refractometer, easy to operate, test speed is fast.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of intelligent digital Abbe refractometer, comprise led light source, the CCD receiver, mini-printer and digital lcd, be provided with total reflection light path device between described led light source and the CCD receiver, total reflection light path device comprises condenser, be provided with reflective mirror under the condenser, the upper right side of reflective mirror is provided with auxiliary prism, the upper surface of auxiliary prism is provided with measuring prism, the right side of measuring prism is provided with cylindrical mirror, the right side of described CCD receiver is provided with the electronic control module device, and the electronic control module device is connected with digital lcd with mini-printer respectively by circuit.
The beneficial effects of the utility model are: based on total reflection principle in the geometrical optics, the refractive index of test substances, the optical laying in the Abbe refractometer (critical line), circle reading system have been abandoned, direct imaging is to the CCD receiver, be equipped with a whole set of digital operation, control, memory circuit, digital display system and corresponding software processing system, realize test (need not manually to aim at critical line and read test data) automatically, show test data automatically, and mini-printer that can be by instrument configuration is directly with the test data isochronous printing.Adopt giant-screen liquid crystal backlight, direct option operations on close friend's operation interface, and have temperature demonstration and temperature zero offset capability, and the memory function of test data is arranged, be furnished with the RS232 interface, can transmit data to PC.All automatic measurement has been avoided personal error, and is easy to operate, and test speed is fast, really accomplishes test process automation, the test result digitizing.Can be widely used in industry on-line testing and finished product detection such as sugaring, food and drink, pharmacy, chemical industry, daily-use chemical industry.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the described a kind of intelligent digital Abbe refractometer of the utility model embodiment;
Fig. 2 is the principle of work block diagram of the described a kind of intelligent digital Abbe refractometer of the utility model embodiment.
Among the figure:
1, led light source; 2, CCD receiver; 3, mini-printer; 4, digital lcd; 5, total reflection light path device; 6, condenser; 7, reflective mirror; 8, auxiliary prism; 9, measuring prism; 10, cylindrical mirror; 11, electronic control module device.
Embodiment
Shown in Fig. 1-2, the described a kind of intelligent digital Abbe refractometer of the utility model embodiment, comprise led light source 1, CCD receiver 2, mini-printer 3 and digital lcd 4, be provided with total reflection light path device 5 between described led light source 1 and the CCD receiver 2, total reflection light path device 5 comprises condenser 6, be provided with reflective mirror 7 under the condenser 6, the upper right side of reflective mirror 7 is provided with auxiliary prism 8, the upper surface of auxiliary prism 8 is provided with measuring prism 9, the right side of measuring prism 9 is provided with cylindrical mirror 10, and auxiliary prism 8 and measuring prism 9 are that 1.75 glass right-angle prism is formed by two refractive indexes, and top is measuring prism 9, it is the optical flat mirror, the bottom is an auxiliary prism 8, and its inclined-plane is coarse frosted glass, and 0.1mm～0.15mm thickness space is arranged between the two approximately, be used to adorn testing liquid, and make developing liquid become skim.When incident light enters auxiliary prism 8 to rough surface, produce diffuse scattering, see through testing liquid with various angles, and enter measuring prism 9 and reflect from all directions, whole optical path forms a light path module by light path seat, be loaded on main frame inside, the right side of described CCD receiver 2 is provided with electronic control module device 11, electronic control module device 11 is connected with digital lcd 4 with mini-printer 3 respectively by circuit, electronic control module device 11 obtains the information of CCD receiver 2, storage, the processing union goes out the position on CCD receiver 2 of light, and then calculate critical angle β 0 and liquid refractive index n, simultaneously can carry out temperature compensation, revise the n value, relevant information is presented on the digital lcd 4, can print data by mini-printer 3, and be furnished with the RS232 interface, can transmit data to PC.
Claims (1)
1. intelligent digital Abbe refractometer, comprise led light source (1), CCD receiver (2), mini-printer (3) and digital lcd (4), it is characterized in that: be provided with total reflection light path device (5) between described led light source (1) and the CCD receiver (2), total reflection light path device (5) comprises condenser (6), be provided with reflective mirror (7) under the condenser (6), the upper right side of reflective mirror (7) is provided with auxiliary prism (8), the upper surface of auxiliary prism (8) is provided with measuring prism (9), the right side of measuring prism (9) is provided with cylindrical mirror (10), the right side of described CCD receiver (2) is provided with electronic control module device (11), and electronic control module device (11) is connected with digital lcd (4) with mini-printer (3) respectively by circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201755925U CN201477044U (en) | 2009-08-24 | 2009-08-24 | Intelligent digital Abbe refractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201755925U CN201477044U (en) | 2009-08-24 | 2009-08-24 | Intelligent digital Abbe refractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477044U true CN201477044U (en) | 2010-05-19 |
Family
ID=42413295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201755925U Expired - Fee Related CN201477044U (en) | 2009-08-24 | 2009-08-24 | Intelligent digital Abbe refractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201477044U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621098A (en) * | 2012-03-22 | 2012-08-01 | 上海仪电物理光学仪器有限公司 | Digital Abbe refractometer |
| CN105181648A (en) * | 2015-10-27 | 2015-12-23 | 无锡太湖阳山水蜜桃科技有限公司 | Digital abbe refractometer |
| CN109507410A (en) * | 2018-11-20 | 2019-03-22 | 湖北工业大学 | Quickly detect the method and portable unit of nitrate in urine |
| CN110672555A (en) * | 2019-10-10 | 2020-01-10 | 上海电力大学 | Method for measuring refractive index of transparent or semitransparent solid |
-
2009
- 2009-08-24 CN CN2009201755925U patent/CN201477044U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621098A (en) * | 2012-03-22 | 2012-08-01 | 上海仪电物理光学仪器有限公司 | Digital Abbe refractometer |
| CN105181648A (en) * | 2015-10-27 | 2015-12-23 | 无锡太湖阳山水蜜桃科技有限公司 | Digital abbe refractometer |
| CN109507410A (en) * | 2018-11-20 | 2019-03-22 | 湖北工业大学 | Quickly detect the method and portable unit of nitrate in urine |
| CN109507410B (en) * | 2018-11-20 | 2022-03-18 | 湖北工业大学 | Method and portable device for rapidly detecting nitrate in urine |
| CN110672555A (en) * | 2019-10-10 | 2020-01-10 | 上海电力大学 | Method for measuring refractive index of transparent or semitransparent solid |
| CN110672555B (en) * | 2019-10-10 | 2021-10-22 | 上海电力大学 | Method for measuring refractive index of transparent or semitransparent solid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130824 |