CN203406002U - Direct Reading Liquid Refractive Index Meter - Google Patents
Direct Reading Liquid Refractive Index Meter Download PDFInfo
- Publication number
- CN203406002U CN203406002U CN201320503802.5U CN201320503802U CN203406002U CN 203406002 U CN203406002 U CN 203406002U CN 201320503802 U CN201320503802 U CN 201320503802U CN 203406002 U CN203406002 U CN 203406002U
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- rear wall
- direct
- rotating shaft
- pointer
- light pointer
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- 239000007788 liquid Substances 0.000 title claims abstract description 27
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract 1
- 238000012800 visualization Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a teaching experimental instrument and particularly provides a direct-reading type measuring instrument for liquid refractive index, which comprises a measuring instrument body, a base, a sliding rail, a counter weight and pointers. The measuring instrument body is composed of a semicircular water tank and a rear wall, wherein the semicircular water tank and the rear wall are integrated as a whole. The semicircular water tank is arranged on the base and the axis of the semicircular water tank is provided with a rotating shaft. The rotating shaft is positioned at the center of circle of the rear wall. The middle parts of the two pointers are respectively hinged to the rotating shaft. The outer side of the upper end of the rear wall is provided with the slide rail. A calibrated scale is arranged on the slide rail. One end of a plumb line is capable of sliding along the slide rail, and the other end of the plumb line is tied with the counter weight. According to the technical scheme of the utility model, the incident light and the refracted light can be presented by means of the incident light pointer, the refracted light pointer and the semicircular water tank, so that students can conveniently read the incidence angle and the refraction angle of the lights during the teaching process. Based on the refraction law, the liquid refractive index can be measured through the implementation of the methods of formula computing, direct reading and the like. Therefore, the direct-reading type measuring instrument is convenient in operation, simple in structure and strong in visualization, thus being conveniently applied to the experimental and teaching process. Meanwhile, the defects of existing measuring instruments for liquid refractive index during the teaching process are made up.
Description
Technical field
The utility model relates to a kind of teaching and experiment equipment, and what specifically in a kind of physics teaching and experiment, operation was used can direct-reading instrument for determining index of refraction of liquid.
Background technology
Seldom, and apparatus structure is complicated for the experimental apparatus of the measurement liquid refractivity using in physics teaching, and intuitive is poor, can not measure liquid refractivity by several different methods, and the physics teaching experiment making is inflexible, dumb.At present, in physics teaching, also do not have by several different methods, to measure the experimental apparatus of liquid refractivity, can only lean on teacher's language performance, can not visual experiment due to student, to teaching, make troubles.
Summary of the invention
Goal of the invention of the present utility model is, for prior art complex structure, can not measure liquid refractivity by several different methods, the poor deficiency that waits of intuitive, provide a kind of simple in structure, easy to operate, can use refraction law and the equation of successful are measured liquid refractivity, also
Can directly read multi-method, the direct-reading instrument for determining index of refraction of liquid device of liquid refractivity data.
Realize above-mentioned purpose by the following technical solutions: a kind of direct-reading instrument for determining index of refraction of liquid, comprise measuring instrument body, base, slide rail, weight and pointer, described measuring instrument body is comprised of semicircle tank, rear wall, semicircle tank and rear wall are integrated, semicircle tank is placed on base, on semicircle tank axis, rotating shaft is installed, rotating shaft is positioned at rear wall circle centre position, article two, the middle part of pointer is hinged with rotating shaft respectively, the outside, upper end of rear wall is provided with slide rail, slide rail is provided with rule, can slide in weight line one end on slide rail, and there is weight in other end system.
Further described pointer is divided by its function as incident light pointer and refract light pointer, and incident light pointer is connected with laser instrument.
Further, described incident light pointer and the top of refract light pointer are respectively with scale, and there is mark at the isometric position of bottom and rotating shaft.
Further, described incident light pointer, refract light pointer rotate around the semicircle tank rear wall center of circle respectively centered by rotating shaft.
Further, described semicircle tank is bucket type structure, sidewall and cell body, consists of, and sidewall is marked with scale.
Further, the bottom of described rear wall is semicircular structure, and top is Rectangular Plate Structure.
Adopt technique scheme, the utility model presents incident ray and refracted ray with incident light pointer and refract light pointer and semicircle tank, is convenient to student and reads incident angle and refraction angle in teaching.Utilize the several different methods such as refraction law, formula calculating and direct-reading, measure liquid refractivity, easy to operate, simple in structure, intuitive is strong, is convenient to be applied in experiment and teaching.Made up the deficiency of existing measure teaching liquid refractivity instrument.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is use reference diagram of the present utility model.
In figure, slide rail 1, rule 2, laser instrument 3, incident light pointer 4, refract light pointer 5, semicircle tank 6, base 7, weight 8, rear wall 9, rotating shaft 10, weight line 11, sidewall 12, mark 13.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
Embodiment 1:
The present embodiment is a kind of direct-reading instrument for determining index of refraction of liquid, the body of this measuring instrument is comprised of semicircle tank 6 and rear wall 9, structure is shown in Fig. 1, Fig. 2, semicircle tank 6 consists of bucket type structure by sidewall and cell body, the diameter of semicircle tank 6 is 20 ㎝, high 25 ㎝, are placed on base 2, and its sidewall is marked with scale.
One-piece construction of the present utility model is shown in Fig. 3, and semicircle tank 6 is divided into antetheca, rear wall and sidewall 12, and antetheca is with O
1for the center of circle, EF are diameter, rear wall 9 is with O
2for the center of circle, PQ are diameter, O
1o
1' vertical with EF, O
2o
2' vertical with PQ.Sidewall 12 is marked with O
1' O
2' be 0o, to EP and FQ place, be the even scale of 90o.There is slide rail 1 in rear wall 9 outsides, upper end, and weight 8 can slide on slide rail.There are the central authorities of take rear wall 9 inner sides, upper end as 0, the rule 2 that both sides increase to EXT scale.O point and O
2o
2' on same vertical curve.Incident light pointer 4 and refract light pointer 5 all can be with rear wall center of circle O
2for axle rotates, 5 liang of pointer first halves of incident light pointer 4 and refract light pointer indicate with rotating shaft O
2be 0 scale, Lower Half contacts with sidewall 12, gets apart from rotating shaft is isometric and makes marks 13.Whole device is placed on base 7, in conjunction with the adjustable semicircle tank level of plumb line 11.
Embodiment 2: the method for measuring refractive index with direct-reading instrument for determining index of refraction of liquid is shown in Fig. 3.
1. device regulates: weight line 11 upper end edge slide rails 1 are slided into O end, regulate semicircle tank 6 and base 7, make plumb line 11 cross OO
2o
2'.Open the laser instrument 3 of incident light pointer 4 upper ends, regulate laser instrument 3 positions, make to impinge upon luminous point on sidewall 12 and the lower end of incident light pointer 4 and refer to the identical graduation place at sidewall 12.
2. measure transparency liquid refractive index: by the interior water filling of semicircle tank 6, the water filling water surface overlaps with EF, PQ.
2.1 utilize refraction law to measure refractive index: open laser instrument 3, rotate incident light pointer 4 in a certain position, incident light pointer 4 lower end indication scales are that incident angle is made as i, and laser instrument luminous point can impinge upon on sidewall 12, reading the number of degrees of luminous point on sidewall 12 is refraction angle and is made as r, substitution formula
, can calculate refractive index n.Change incident light pointer 4, can repeatedly measure and average.
2.2 utilize equation to measure refractive index: open laser instrument 3, rotate incident light pointer 4 in a certain position, laser instrument luminous point can impinge upon on sidewall 12, rotates refract light pointer 5, make the pointer of refract light pointer 5 and the luminous point on sidewall 12 at identical graduation place.Slip plumb line 11, makes weight line 11 cross incident light pointer 5 lower end mark 13 places, reads the number of degrees of weight line 11 upper ends on rule 2 and is made as L
1, then the plumb line 11 that slides, make weight line 11 superrefraction light pointer 5 lower end mark 13 places, read the number of degrees of weight line upper end on rule 1 and be made as L
2, substitution formula
, calculate refractive index n.
2.3 directly read refractive index: open laser instrument 3, rotate incident light pointer 4 in a certain position, laser instrument luminous point impinges upon on sidewall 12, rotates refract light pointer 5, make the pointer of refract light pointer 5 and the luminous point on sidewall 12 at identical graduation place.Slip plumb line 11, makes weight line 11 through two pointer upper end scales, reads refract light pointer 5 that weight line 11 passes through and the scale on incident light pointer 4, makes ratio, and this ratio is liquid refractivity.If weight line 11 is by the scale on incident light pointer 4 as standard length 1, weight line 11 is liquid refractivity by the scale on refract light pointer 5.
Claims (6)
1. a direct-reading instrument for determining index of refraction of liquid, comprise measuring instrument body, base, slide rail, weight and pointer, it is characterized in that, described measuring instrument body is comprised of semicircle tank, rear wall, semicircle tank and rear wall are integrated, semicircle tank is placed on base, on semicircle tank axis, rotating shaft is installed, rotating shaft is positioned at rear wall circle centre position, article two, the middle part of pointer is hinged with rotating shaft respectively, and the outside, upper end of rear wall is provided with slide rail, and slide rail is provided with rule, can slide in weight line one end on slide rail, there is weight in other end system.
2. direct-reading instrument for determining index of refraction of liquid according to claim 1, is characterized in that, described pointer is divided by its function as incident light pointer and refract light pointer, and incident light pointer is connected with laser instrument.
3. direct-reading instrument for determining index of refraction of liquid according to claim 2, is characterized in that, described incident light pointer and the top of refract light pointer are respectively with scale, and there is mark at the isometric position of bottom and rotating shaft.
4. direct-reading instrument for determining index of refraction of liquid according to claim 2, is characterized in that, described incident light pointer, refract light pointer rotate around the semicircle tank rear wall center of circle respectively centered by rotating shaft.
5. direct-reading instrument for determining index of refraction of liquid according to claim 1, is characterized in that, described semicircle tank is bucket type structure, sidewall and cell body, consists of, and sidewall is marked with scale.
6. direct-reading instrument for determining index of refraction of liquid according to claim 1, is characterized in that, the bottom of described rear wall is semicircular structure, and top is Rectangular Plate Structure.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503802.5U CN203406002U (en) | 2013-08-19 | 2013-08-19 | Direct Reading Liquid Refractive Index Meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503802.5U CN203406002U (en) | 2013-08-19 | 2013-08-19 | Direct Reading Liquid Refractive Index Meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406002U true CN203406002U (en) | 2014-01-22 |
Family
ID=49941926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320503802.5U Expired - Fee Related CN203406002U (en) | 2013-08-19 | 2013-08-19 | Direct Reading Liquid Refractive Index Meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240572A (en) * | 2014-09-28 | 2014-12-24 | 江南大学 | Refractometer for measuring refractive index of transparent liquid |
| CN105954232A (en) * | 2016-05-26 | 2016-09-21 | 北京领航力嘉机电有限公司 | Liquid refractive index measuring system |
-
2013
- 2013-08-19 CN CN201320503802.5U patent/CN203406002U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240572A (en) * | 2014-09-28 | 2014-12-24 | 江南大学 | Refractometer for measuring refractive index of transparent liquid |
| CN105954232A (en) * | 2016-05-26 | 2016-09-21 | 北京领航力嘉机电有限公司 | Liquid refractive index measuring system |
| CN105954232B (en) * | 2016-05-26 | 2019-02-12 | 北京领航力嘉机电有限公司 | A kind of measuring refractive indexes of liquid system |
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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: 20140122 Termination date: 20170819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |