CN212207089U - Ultraviolet light source for spectrophotometer - Google Patents
Ultraviolet light source for spectrophotometer Download PDFInfo
- Publication number
- CN212207089U CN212207089U CN202020825698.1U CN202020825698U CN212207089U CN 212207089 U CN212207089 U CN 212207089U CN 202020825698 U CN202020825698 U CN 202020825698U CN 212207089 U CN212207089 U CN 212207089U
- Authority
- CN
- China
- Prior art keywords
- ultraviolet
- optical bench
- light source
- cylindrical mirror
- spectrophotometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses an ultraviolet source for spectrophotometer, relate to the water quality testing instrument field, this light source includes the optical bench, the inside of optical bench is provided with a accommodation space, the ultraviolet fluorescent tube is located accommodation space, open one side of optical bench has the installing port, the ultraviolet fluorescent tube gets into accommodation space by the installing port, be provided with cylindrical mirror and whole grating on the installing port, the cylindrical mirror is located between ultraviolet fluorescent tube and the whole grating, be provided with slit cylindrical mirror on the whole grating and be used for decomposing the ultraviolet ray that the ultraviolet fluorescent tube launched into required monochromatic beam and carry out collimation output, whole grating is used for fixed cylindrical mirror, obtain the beam of cylindrical mirror output and export through the slit; the optical bench is provided with an energy feedback detector at one side opposite to the installation opening, the energy feedback detector is electrically connected with a control circuit board, and the control circuit board is electrically connected with the ultraviolet lamp tube and used for controlling the brightness of the ultraviolet lamp tube. The utility model discloses can reduce the installation degree of difficulty of light source.
Description
Technical Field
The utility model relates to a water quality testing instrument field, concretely relates to an ultraviolet source for spectrophotometer.
Background
An ultraviolet spectrophotometer is a commonly used instrument in water quality detection, and generally comprises a light source, a monochromator, an absorption cell, a detector, a signal processor and other components, wherein the light source is used for a continuous ultraviolet spectrum with high and stable intensity, at present, a common light source covers an ultraviolet region and a visible region, a hydrogen lamp or a deuterium lamp is used for the ultraviolet region, a tungsten lamp or a halogen tungsten lamp is used for the visible region, the monochromator is used for decomposing composite light emitted by the light source and separating monochromatic light with required wavelength from the composite light, and a dispersion element is generally a prism or a grating.
The existing monochromator and the light source are usually independently arranged, and the installation has more parts, is more complicated and consumes longer time.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide an ultraviolet source for spectrophotometer can reduce the installation degree of difficulty.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
an ultraviolet light source for a spectrophotometer comprises an optical bench, wherein an accommodating space is arranged in the optical bench, an ultraviolet lamp tube is positioned in the accommodating space, one side of the optical bench is provided with an installation opening, the ultraviolet lamp tube enters the accommodating space from the installation opening, a cylindrical mirror and an integral grating are arranged on the installation opening, the cylindrical mirror is positioned between the ultraviolet lamp tube and the integral grating, a slit is arranged on the integral grating, the cylindrical mirror is used for decomposing ultraviolet light emitted by the ultraviolet lamp tube into required monochromatic light beams and collimating and outputting the monochromatic light beams, and the integral grating is used for fixing the cylindrical mirror, obtaining the light beams output by the cylindrical mirror and outputting the light beams through the slit;
an energy feedback detector is arranged on one side of the optical bench opposite to the installation opening, the energy feedback detector is electrically connected with a control circuit board, and the control circuit board is electrically connected with the ultraviolet lamp tube and used for controlling the brightness of the ultraviolet lamp tube.
Furthermore, the top and the bottom of the optical bench are both provided with a fixed port, the fixed port is provided with a lamp end cover, and the lamp end cover is used for being connected with the end part of the ultraviolet lamp tube.
Furthermore, the energy feedback detector is an ultraviolet photoelectric tube, and the ultraviolet photoelectric tube is connected with the optical bench through a pressing plate.
Further, the control circuit board is fixed on the outer side of the pressing plate.
Furthermore, a fixing bolt is arranged on one side of the optical bench opposite to the mounting opening and used for abutting against the ultraviolet lamp tube and transferring heat of the ultraviolet lamp tube to the outside of the optical bench.
Furthermore, the optical bench is provided with two fixing bolts which are respectively positioned above and below the energy feedback detector.
Further, the slit is triangular, rectangular, circular, rhombic or elliptical.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses in be used for spectrophotometer's ultraviolet source, the inside of optical bench is provided with an accommodation space, the ultraviolet fluorescent tube is located the accommodation space, open one side of optical bench has the installing port, the ultraviolet fluorescent tube gets into accommodation space by the installing port, be provided with cylindrical mirror and whole grating on the installing port, the cylindrical mirror is located between ultraviolet fluorescent tube and the whole grating, be provided with the slit on the whole grating, the cylindrical mirror is used for decomposing the ultraviolet ray that the ultraviolet fluorescent tube launched into required monochromatic beam and collimation output, whole grating is used for fixed cylindrical mirror, the light beam of obtaining the cylindrical mirror output and through the slit output; in the embodiment, the ultraviolet lamp tube, the cylindrical mirror and the integral grating are arranged on the optical bench, and the monochromator is fixed without additionally arranging an installation space and a fixing device, so that the installation difficulty is effectively reduced.
Drawings
Fig. 1 is a schematic structural diagram of an ultraviolet light source for a spectrophotometer according to an embodiment of the present invention;
fig. 2 is an exploded view of fig. 1.
In the figure: 1-optical bench, 2-accommodating space, 3-ultraviolet lamp tube, 4-mounting port, 5-cylindrical mirror, 6-integral grating, 7-slit, 8-energy feedback detector, 9-control circuit board, 10-fixing port, 11-lamp end cover, 12-pressing plate and 13-fixing bolt.
Detailed Description
The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides an ultraviolet light source for a spectrophotometer, including an optical bench 1, a receiving space 2 is arranged inside the optical bench 1, an ultraviolet lamp tube 3 is located in the receiving space 2, a mounting port 4 is opened at one side of the optical bench 1, the ultraviolet lamp tube 3 enters the receiving space 2 through the mounting port 4, a cylindrical mirror 5 and an integral grating 6 are arranged on the mounting port 4, the cylindrical mirror 5 is located between the ultraviolet lamp tube 3 and the integral grating 6, a slit 7 is arranged on the integral grating 6, the cylindrical mirror 5 is used for decomposing ultraviolet light emitted by the ultraviolet lamp tube 3 into a required monochromatic light beam and outputting the monochromatic light beam in a collimating manner, the integral grating 6 is used for fixing the cylindrical mirror 5, obtaining the light beam output by the cylindrical mirror 5 and outputting the light beam through the slit 7, wherein the shape of the slit 7 can be set according to a cross-sectional shape of the light beam output in actual needs, may be triangular, rectangular, circular, diamond-shaped, oval, or other shapes, with triangular shapes being shown in this embodiment.
An energy feedback detector 8 is arranged on one side of the optical bench 1 opposite to the installation opening 4, the energy feedback detector 8 is electrically connected with a control circuit board 9, and the control circuit board 9 is electrically connected with the ultraviolet lamp tube 3 and used for controlling the brightness of the ultraviolet lamp tube 3.
The top and the bottom of the optical bench 1 are both provided with fixing ports 10, a lamp end cover 11 is arranged on the fixing ports 10, the lamp end cover 11 is used for being connected with the end part of the ultraviolet lamp tube 3, a fixing bolt 13 is further arranged on one side of the optical bench 1 opposite to the mounting port 4, and the fixing bolt 13 is used for abutting against the ultraviolet lamp tube 3 and transmitting the heat of the ultraviolet lamp tube 3 to the outside of the optical bench 1.
The number of the fixing bolts 13 can be adjusted according to actual needs, and in this embodiment, the optical bench 1 is provided with two fixing bolts 13 respectively located above and below the energy feedback detector 8.
The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.
Claims (7)
1. An ultraviolet light source for a spectrophotometer comprises an optical bench (1), wherein an accommodating space (2) is arranged in the optical bench (1), an ultraviolet lamp tube (3) is positioned in the accommodating space (2), and the ultraviolet light source is characterized in that: one side of the optical bench (1) is provided with a mounting opening (4), the ultraviolet lamp tube (3) enters the accommodating space (2) from the mounting opening (4), the mounting opening (4) is provided with a cylindrical mirror (5) and an integral grating (6), the cylindrical mirror (5) is positioned between the ultraviolet lamp tube (3) and the integral grating (6), the integral grating (6) is provided with a slit (7), the cylindrical mirror (5) is used for decomposing ultraviolet light emitted by the ultraviolet lamp tube (3) into required monochromatic light beams and collimating and outputting the monochromatic light beams, and the integral grating (6) is used for fixing the cylindrical mirror (5), obtaining the light beams output by the cylindrical mirror (5) and outputting the light beams through the slit (7);
an energy feedback detector (8) is arranged on one side, opposite to the installation opening (4), of the optical bench (1), the energy feedback detector (8) is electrically connected with a control circuit board (9), and the control circuit board (9) is electrically connected with the ultraviolet lamp tube (3) and used for controlling the brightness of the ultraviolet lamp tube (3).
2. An ultraviolet light source for a spectrophotometer as claimed in claim 1 wherein: the top and the bottom of the optical bench (1) are both provided with fixing ports (10), the fixing ports (10) are provided with lamp end covers (11), and the lamp end covers (11) are used for being connected with the end parts of the ultraviolet lamp tubes (3).
3. An ultraviolet light source for a spectrophotometer as claimed in claim 1 wherein: the energy feedback detector (8) is an ultraviolet photoelectric tube, and the ultraviolet photoelectric tube is connected with the optical bench (1) through a pressing plate (12).
4. A uv light source for a spectrophotometer, as claimed in claim 3, wherein: the control circuit board (9) is fixed on the outer side of the pressing plate (12).
5. An ultraviolet light source for a spectrophotometer as claimed in claim 1 wherein: and a fixing bolt (13) is further arranged on one side of the optical bench (1) opposite to the mounting opening (4), and the fixing bolt (13) is used for abutting against the ultraviolet lamp tube (3) and transferring the heat of the ultraviolet lamp tube (3) to the outside of the optical bench (1).
6. An ultraviolet light source for a spectrophotometer as claimed in claim 5 wherein: the optical bench (1) is provided with two fixing bolts (13) which are respectively positioned above and below the energy feedback detector (8).
7. An ultraviolet light source for a spectrophotometer as claimed in claim 1 wherein: the slit (7) is triangular, rectangular, circular, rhombic or oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825698.1U CN212207089U (en) | 2020-05-18 | 2020-05-18 | Ultraviolet light source for spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825698.1U CN212207089U (en) | 2020-05-18 | 2020-05-18 | Ultraviolet light source for spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212207089U true CN212207089U (en) | 2020-12-22 |
Family
ID=73816435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020825698.1U Active CN212207089U (en) | 2020-05-18 | 2020-05-18 | Ultraviolet light source for spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212207089U (en) |
-
2020
- 2020-05-18 CN CN202020825698.1U patent/CN212207089U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644989B (en) | Absorbance detection system | |
| CN102549330A (en) | Light irradiation device, simulated sunlight light irradiation device, and inspection device for solar cell panel | |
| CN102353630B (en) | Continuous spectrum light source | |
| CN101000263A (en) | Method and device for measuring intensity of UV. | |
| CN105606571A (en) | Aspheric reflection-type laser-induced spectrum excitation and collection system | |
| CN111707628B (en) | Multi-station automatic switching optical path device and spectrometer | |
| CN212207089U (en) | Ultraviolet light source for spectrophotometer | |
| CN101793554B (en) | Multifunctional reconfigurable light source system | |
| KR20100096407A (en) | Mercury analyzer coupled cvaas module with caafs module | |
| CN211318892U (en) | Flat field concave surface light splitting module | |
| CN211235525U (en) | High-precision ultraviolet-visible spectrophotometer | |
| CN109001114A (en) | Multiple light courcess multipurpose scanner | |
| CN214668550U (en) | Water quality on-line measuring device with self-feedback light source is adjusted | |
| RU188742U1 (en) | Spectrophotometer | |
| CN201045609Y (en) | Light path device of enzyme labeling analytic instrument | |
| CN212008328U (en) | ICP-AES optical path system | |
| CN209745804U (en) | Multi-channel portable spectrum system based on time-sharing lighting | |
| CN208170303U (en) | A kind of light source output Wavelength tuning device | |
| JPS61266925A (en) | Double luminous flux measurement system using photoelectric converting element array | |
| US6507013B2 (en) | Optical reference element and procedure for the spectral calibration of an optical spectrum analyzer | |
| CN110412003A (en) | A kind of portable gemstone fluorescence analyzer | |
| CN208488173U (en) | Replaceable type light path module and spectrometer with the light path module | |
| CN219417203U (en) | Multichannel photometry device | |
| CN108458784A (en) | A kind of monochromator | |
| CN219038799U (en) | Same-side correlation spectrum detection probe based on sight glass |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |