CN104964743A - Novel entrance slit device of miniature prism spectrograph - Google Patents
Novel entrance slit device of miniature prism spectrograph Download PDFInfo
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- CN104964743A CN104964743A CN201510310215.8A CN201510310215A CN104964743A CN 104964743 A CN104964743 A CN 104964743A CN 201510310215 A CN201510310215 A CN 201510310215A CN 104964743 A CN104964743 A CN 104964743A
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Abstract
The invention belongs to the technical field of optical spectrum instruments, and particularly relates to a novel entrance slit device of a miniature prism spectrograph. A light hole and a groove are arranged in the center of a slit pedestal, two ends of the grooves are provided with micrometer calipers respectively, slit blades are arranged in the groove, one ends of the slit blades, which are adjacent, are arranged in a staggered manner in a vertical direction, positioning screws are arranged on the two slit blades respectively, a torsion spring is fixedly arranged on the slit pedestal at one side of the groove, both ends of the torsion spring abut against the positioning screws, so that the two slit blades are in a maximum stretching state in the absence of the effect of external force, fixed parts are arranged on the two slit blades respectively, the fixed parts are fixedly arranged on the slit pedestal to ensure that the slit blades move in the groove, and one ends of the two micrometer calipers abut against the two slit blades respectively, so as to apply pressure to the slit blades, thereby adjusting closing of a slit. The novel entrance slit device of the miniature prism spectrograph has the characteristics of having less components and being easy to disassemble and maintain.
Description
Technical field
The invention belongs to spectral instrument technical field, refer in particular to a kind of novel incidence slit device of small prism spectrograph.
Background technology
Spectrum shooting and spectral measurement experiment are the basic experiment in Experiments of Modern Physics.The structure of prism spectrograph is made up of parts such as slit, parallel light tube, prism, spectrum acquisition, by the light splitting ability of the constant deviation prism in core component, obtains the spectrum line of dispersion.
Summary of the invention
The invention provides a kind of easy to operate, number of fitting parts is few, be conducive to changing and the novel incidence slit device of small prism spectrograph of maintenance.
The technical solution adopted in the present invention is to achieve the above object of the invention:
A kind of novel incidence slit device of small prism spectrograph, include slit pedestal, slit pedestal is provided with the groove of light hole and placement slit blade between two parties, micrometer caliper mounting hole is respectively arranged with at the two ends of groove, slit blade is arranged in groove, and on the adjacent one end of two slit blades, under be crisscross arranged, two slit blades are respectively arranged with dog screw, the slit pedestal of groove side is installed with torsion spring, the two ends of torsion spring are respectively by being located on dog screw, two slit blades are made to be in maximum open configuration when not having under External Force Acting, fixture is respectively arranged with above two slit blades, fixture is installed on slit pedestal to guarantee that slit blade moves in groove, micrometer caliper is respectively arranged with in two micrometer caliper mounting holes, one end of two micrometer calipers holds out against respectively on two slit blades, by adjustable screw mircrometer gauge, impose slit blade pressure, to regulate closing of slit, close.
In technique scheme, described torsion spring set is contained on screw, and screw is fixed on pedestal.
In technique scheme, described screw is positioned on the extended line at mid point place of groove length.
In technique scheme, described pedestal is provided with the threaded hole for fixed pedestal.
In technique scheme, one end of described fixture is arranged on above slit blade, the other end is fixed on slit pedestal.
The invention has the beneficial effects as follows:
1, the present invention is in small prism spectrograph shooting spectrum experiment, by regulating the width of slit, controlling the sharpness of spectral line imaging and the width of spectral line lines, carrying out leveling light path by regulating the position of slit.
2, to have assembly few in the present invention, is easy to the features such as dismounting, maintenance; Meanwhile, slit blade is upper and lower cross structure, the extruding avoiding slit blade to cause due to faulty operation and damaging.
Accompanying drawing explanation
Fig. 1 is one of exploded perspective view of the present invention.
Fig. 2 is exploded perspective view two of the present invention.
Fig. 3 is the upward view of exploded perspective view of the present invention.
Fig. 4 is the vertical view of exploded perspective view of the present invention.
Wherein, 1, slit pedestal, 2, light hole, 3, slit blade, 4, groove, 5, micrometer caliper mounting hole, 6, dog screw, 7, torsion spring, 8, fixture, 9, micrometer caliper, 10, screw, 11, threaded hole.
Embodiment
Below by specific embodiment, the invention will be further described, see Fig. 1-4:
A novel incidence slit device for small prism spectrograph, includes slit pedestal 1, the circular in cross-section of slit pedestal 1, and slit pedestal 1 is provided with the groove 4 of light hole 2 and placement slit blade 3 between two parties.Wherein, light hole 2 is square holes; Groove 4 is rectangular recess.Light hole 2 is arranged on groove 4 between two parties.Be respectively arranged with micrometer caliper mounting hole 5 at the two ends of groove 4, slit blade 3 is arranged in groove 4, and the adjacent one end of two slit blades 3 is upper and lower is crisscross arranged.Specifically be respectively arranged with breach at the abutting end of two slit blades 3, wherein a breach be positioned at top, another breach be positioned at below.Two slit blades 3 are respectively arranged with dog screw 6, the slit pedestal 1 of groove 4 side is installed with torsion spring 7, the two ends of torsion spring 7 are respectively by being located on dog screw 6, two slit blades 3 are made to be in maximum open configuration when not having under External Force Acting, fixture 8 is respectively arranged with above two slit blades 3, fixture 8 is installed on slit pedestal 1 to guarantee that slit blade 3 is mobile in groove 4, micrometer caliper 9 is respectively arranged with in two micrometer caliper mounting holes 5, one end of two micrometer calipers 9 holds out against respectively on two slit blades 3, by adjustable screw mircrometer gauge 9, impose slit blade 3 pressure, to regulate closing of slit, close.
In technique scheme, described torsion spring 7 is sleeved on screw 10, and screw is fixed on slit pedestal 1.Certainly, torsion spring 7 also can be sleeved on screw rod, and screw rod is screwed onto on slit pedestal 1, and nut that the screw rod above torsion spring 7 is spirally connected positions torsion spring 7.
In technique scheme, described screw 10 is positioned on the extended line at the mid point place of groove 4 length.
In technique scheme, described slit pedestal 1 is provided with the threaded hole 11 for fixed pedestal.
In technique scheme, one end of described fixture 8 is arranged on above slit blade 3, the other end is fixed on slit pedestal 1.
Principle of work of the present invention is: during measurement, rotates micrometer caliper 9, i.e. adjustable slit width, and carries out reading.Because slit blade 3 is upper and lower cross structure, slit width can be regulated to be enough little, and will, because of misoperation, make slit blade extrude and damage.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technician in the art on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should fall within the scope of protection of the present invention under this invention's idea.
Claims (5)
1. the novel incidence slit device of a small prism spectrograph, it is characterized in that: include slit pedestal, slit pedestal is provided with the groove of light hole and placement slit blade between two parties, micrometer caliper mounting hole is respectively arranged with at the two ends of groove, slit blade is arranged in groove, and on the adjacent one end of two slit blades, under be crisscross arranged, two slit blades are respectively arranged with dog screw, the slit pedestal of groove side is installed with torsion spring, the two ends of torsion spring are respectively by being located on dog screw, two slit blades are made to be in maximum open configuration when not having under External Force Acting, fixture is respectively arranged with above two slit blades, fixture is installed on slit pedestal to guarantee that slit blade moves in groove, micrometer caliper is respectively arranged with in two micrometer caliper mounting holes, one end of two micrometer calipers holds out against respectively on two slit blades, by adjustable screw mircrometer gauge, impose slit blade pressure, to regulate closing of slit, close.
2. the novel incidence slit device of a kind of small prism spectrograph according to claim 1, is characterized in that: described torsion spring set is contained on screw, and screw is fixed on pedestal.
3. the novel incidence slit device of a kind of small prism spectrograph according to claim 2, is characterized in that: described screw is positioned on the extended line at mid point place of groove length.
4. the novel incidence slit device of a kind of small prism spectrograph according to claim 1, is characterized in that: described pedestal is provided with the threaded hole for fixed pedestal.
5. the novel incidence slit device of a kind of small prism spectrograph according to claim 1, is characterized in that: one end of described fixture is arranged on above slit blade, the other end is fixed on slit pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310215.8A CN104964743B (en) | 2015-06-08 | 2015-06-08 | The new incidence slit device of small prism spectrograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510310215.8A CN104964743B (en) | 2015-06-08 | 2015-06-08 | The new incidence slit device of small prism spectrograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104964743A true CN104964743A (en) | 2015-10-07 |
| CN104964743B CN104964743B (en) | 2017-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510310215.8A Expired - Fee Related CN104964743B (en) | 2015-06-08 | 2015-06-08 | The new incidence slit device of small prism spectrograph |
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| Country | Link |
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| CN (1) | CN104964743B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917756A (en) * | 2017-12-05 | 2018-04-17 | 哈尔滨理工大学 | A kind of portable spectrometer slit and preparation method thereof |
| CN110646936A (en) * | 2019-09-17 | 2020-01-03 | 中国科学院光电研究院 | Adjustable diaphragm device suitable for different light beam conditions |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0565069A1 (en) * | 1992-04-10 | 1993-10-13 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Adjustable diaphragm and manufacturing process |
| JPH06102093A (en) * | 1992-09-17 | 1994-04-12 | Fujitsu Ltd | Slit mechanism of spectroscope |
| CN1967208A (en) * | 2006-11-06 | 2007-05-23 | 北京光学仪器厂 | Slit arrangement |
| CN101915613A (en) * | 2010-08-02 | 2010-12-15 | 中国科学院长春光学精密机械与物理研究所 | Slit adjusting device capable of adjusting slit width in double directions |
| CN204694349U (en) * | 2015-06-08 | 2015-10-07 | 浙江海洋学院 | The novel incidence slit device of small prism spectrograph |
-
2015
- 2015-06-08 CN CN201510310215.8A patent/CN104964743B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0565069A1 (en) * | 1992-04-10 | 1993-10-13 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Adjustable diaphragm and manufacturing process |
| JPH06102093A (en) * | 1992-09-17 | 1994-04-12 | Fujitsu Ltd | Slit mechanism of spectroscope |
| CN1967208A (en) * | 2006-11-06 | 2007-05-23 | 北京光学仪器厂 | Slit arrangement |
| CN101915613A (en) * | 2010-08-02 | 2010-12-15 | 中国科学院长春光学精密机械与物理研究所 | Slit adjusting device capable of adjusting slit width in double directions |
| CN204694349U (en) * | 2015-06-08 | 2015-10-07 | 浙江海洋学院 | The novel incidence slit device of small prism spectrograph |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917756A (en) * | 2017-12-05 | 2018-04-17 | 哈尔滨理工大学 | A kind of portable spectrometer slit and preparation method thereof |
| CN110646936A (en) * | 2019-09-17 | 2020-01-03 | 中国科学院光电研究院 | Adjustable diaphragm device suitable for different light beam conditions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104964743B (en) | 2017-06-23 |
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Granted publication date: 20170623 Termination date: 20180608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |