CN215768221U - Single wavelength spectrophotometer - Google Patents

Abstract

The utility model discloses a single-wavelength spectrophotometer, which comprises a light source, frosted glass, a first convex lens, a second convex lens, a diaphragm, a cuvette, a third convex lens, a fixing frame, a photodiode, a photoelectric converter and a computer terminal, wherein the light source is arranged at one end of the fixing frame, the photodiode is arranged at the other end of the fixing frame, the frosted glass, the first convex lens, the second convex lens, the diaphragm, the cuvette and the third convex lens are sequentially arranged on the fixing frame from one end to the other end, the photodiode is connected with the photoelectric converter, and the photoelectric converter is in communication connection with the computer terminal. The technical effects achieved are as follows: the whole detection equipment is small and exquisite and convenient, the processing cost is obviously reduced, in-situ on-line detection can be realized, the detection accuracy is high, the full-automatic control of detection is realized, the operation program of the water treatment equipment can be controlled, and signals can be transmitted remotely.

Description

Single wavelength spectrophotometer

Technical Field

The utility model relates to the technical field of detection of physicochemical indexes in underground water, in particular to a single-wavelength spectrophotometer.

Background

Aiming at the technical field of physicochemical index detection in underground water, chemical methods, electrochemical methods, atomic absorption spectrophotometry, ion chromatography, gas chromatography, plasma emission spectrometry and the like are mainly adopted, wherein the chemical methods (gravimetric method, volumetric titration method and spectrophotometry) are also commonly adopted in routine water quality monitoring at home and abroad.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention provides a single wavelength spectrophotometer to solve the above problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical scheme:

according to a first aspect of the present invention, a single-wavelength spectrophotometer includes a light source, ground glass, a first convex lens, a second convex lens, a diaphragm, a cuvette, a third convex lens, a fixing frame, a photodiode, a photoelectric converter, and a computer terminal, wherein the light source is disposed at one end of the fixing frame, the photodiode is disposed at the other end of the fixing frame, the ground glass, the first convex lens, the second convex lens, the diaphragm, the cuvette, and the third convex lens are sequentially disposed from one end of the fixing frame to the other end of the fixing frame, the photodiode is connected to the photoelectric converter, and the photoelectric converter is in communication connection with the computer terminal.

Further, the optical filter is arranged between the second convex lens and the diaphragm.

Further, the computer terminal also comprises a power pack, and the light source is electrically connected with the computer terminal through the power pack.

Further, the ground glass, the first convex lens, the second convex lens, the optical filter and the third convex lens are coaxially arranged.

Further, the light source is a spherical light source.

Furthermore, the lens fixing device further comprises an adjusting seat, and the first convex lens and the second convex lens are respectively clamped in the fixing frame through the adjusting seat.

Furthermore, the inner side wall of the fixing frame is provided with internal threads, and the adjusting seat is in threaded connection with the inside of the fixing frame.

Further, the fixing frame is of a circular tubular structure.

Further, the light source is a cold light source and a hot light source.

Further, the cuvette is detachably arranged on the fixing frame.

The utility model has the following advantages: the single-wavelength spectrophotometer provided by the utility model has the advantages that the whole detection equipment is small and exquisite and convenient, the processing cost is obviously reduced, the in-situ online detection can be realized, the detection accuracy is high, the full-automatic control of the detection is realized, the operation program of the water treatment equipment can be controlled, and the signal can be transmitted remotely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a front view of a single wavelength spectrophotometer according to some embodiments of the present invention.

Fig. 2 is a top view of a single wavelength spectrophotometer according to some embodiments of the present invention.

In the figure: 1. the device comprises a light source, 2, ground glass, 3, a first convex lens, 4, a second convex lens, 5, a light filter, 6, a diaphragm, 7, a cuvette, 8, a third convex lens, 9, a photodiode, 10, a photoelectric converter, 11, a computer terminal, 12 and a power supply group.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 2, a single-wavelength spectrophotometer in an embodiment of a first aspect of the present invention includes a light source 1, ground glass 2, a first convex lens 3, a second convex lens 4, a diaphragm 6, a cuvette 7, a third convex lens 8, a fixing frame, a photodiode 9, a photoelectric converter 10, and a computer terminal 11, wherein the light source 1 is disposed at one end of the fixing frame, the photodiode 9 is disposed at the other end of the fixing frame, the ground glass 2, the first convex lens 3, the second convex lens 4, the diaphragm 6, the cuvette 7, and the third convex lens 8 are sequentially disposed on the fixing frame from one end to the other end, the photodiode 9 is connected to the photoelectric converter 10, and the photoelectric converter 10 is in communication connection with the computer terminal 11.

In the above embodiments, it should be noted that the distance between the first convex lens 3 and the second convex lens 4 can be adjusted according to actual requirements, and the distance between the first convex lens 3 and the ground glass 2 can also be adjusted according to requirements; an operating system of a data acquisition module is arranged in the computer terminal 16, and the diaphragm 5 is used for adjusting the diameter of the emitted parallel light beams.

The technical effects achieved by the above embodiment are as follows: through the online water quality testing appearance of normal position of this embodiment, whole check out test set is small and exquisite convenient, and the processing cost is showing and is reducing, can realize normal position on-line measuring, and the detection rate of accuracy is high, has realized the full automated control that detects, can control water treatment facilities operation procedure, can the teletransmission signal.

Optionally, as shown in fig. 1 to fig. 2, in some embodiments, the optical module further includes an optical filter 5, and the optical filter 5 is disposed between the second convex lens 4 and the diaphragm 6.

In the above alternative embodiment, it should be noted that the filter 5 may be replaced with a different wavelength.

The beneficial effects of the above alternative embodiment are: by arranging the optical filter 5, the filtering of unnecessary light sources is realized, and in addition, the optical filters 5 with different wavelengths can be arranged according to actual requirements.

Optionally, as shown in fig. 1 to 2, in some embodiments, a power pack 12 is further included, and the light source 1 is electrically connected to the computer terminal 11 through the power pack 12.

In the above alternative embodiment, it should be noted that the power supply set 17 is a dc conversion module, and provides the power requirement for the light source 1.

The beneficial effects of the above alternative embodiment are: by arranging the power pack 17, the cruising ability of the whole device is remarkably improved.

Alternatively, as shown in fig. 1 to 2, in some embodiments, the ground glass 2, the first convex lens 3, the second convex lens 4, the filter 5, and the third convex lens 8 are coaxially disposed.

In the above alternative embodiment, it should be noted that, in addition, the distances between the components of the ground glass 2, the first convex lens 3, the second convex lens 4, the optical filter 5 and the third convex lens 8 are adjusted according to actual requirements.

The beneficial effects of the above alternative embodiment are: through setting up above-mentioned part to coaxial setting, showing and strengthening detection effect, showing and improving detection accuracy.

Optionally, as shown in fig. 1 to 2, in some embodiments, the light source 1 is a spherical light source 1.

In the above alternative embodiment, it should be noted that the light source 1 is a spherical light source light emitting assembly of the prior art.

The beneficial effects of the above alternative embodiment are: by setting the light source 1 as a spherical light source, the use requirement of detection is met.

Optionally, as shown in fig. 1 to fig. 2, in some embodiments, the optical lens further includes an adjusting seat, the first convex lens 3 and the second convex lens 4 are respectively clamped in the fixing frame through the adjusting seat, and in addition, the third convex lens 8 may be installed in the fixing frame by using the adjusting seat.

The beneficial effects of the above alternative embodiment are: the position adjustment of the first convex lens 3 and the second convex lens 4 is realized by arranging the adjusting seat.

Optionally, as shown in fig. 1 to 2, in some embodiments, the inner sidewall of the fixing frame is provided with an internal thread, and the adjusting seat is screwed into the fixing frame.

In the above optional embodiment, it should be noted that, when in use, the position of the adjusting seat along the axis of the fixing frame is adjusted by the threaded connection between the adjusting seat and the internal thread of the inner side wall of the fixing frame.

The beneficial effects of the above alternative embodiment are: through setting up the internal thread in the mount inside, realized the electrodeless regulation to the adjustment seat distance, satisfied the interval demand between different first convex lens 3 and the second convex lens 4.

Alternatively, as shown in fig. 1-2, in some embodiments, the mount is a circular tubular structure.

In the above alternative embodiments, it should be noted that the fixing frame can also be provided with other tubular structures with circular tube cavities.

The beneficial effects of the above alternative embodiment are: through setting up the mount into circular tubular structure, the processing cost is showing and is reducing, convenient for material selection.

Alternatively, as shown in fig. 1-2, in some embodiments, the light source 1 is a cold light source and a hot light source.

In the above alternative embodiments, it should be noted that the types of the light sources are selected according to different test requirements.

The beneficial effects of the above alternative embodiment are: the requirements of different detection occasions are met by setting different types of the light source 1.

Alternatively, as shown in fig. 1-2, in some embodiments, the cuvette 7 is removably mounted on a holder.

In the above alternative embodiment, it should be noted that, when the cuvette 7 needs to be replaced, the cuvette 7 is detached and the cuvette 7 with a different medium is replaced.

The beneficial effects of the above alternative embodiment are: through can dismantle the setting on the mount with cell 7, realized cell 7 quick replacement according to the demand.

The working principle of the above embodiment is as follows: the power is switched on to drive in the light source 1, a cold light source and a hot light source are converted into plane light by the ground glass 2, a dispersed light source is changed into a point light source by the first convex lens 3, the point light source is changed into a parallel light source by the second convex lens 4, an unnecessary light source is filtered out by the optical filter 5, a needed light source is reserved, the size of a light outlet is adjusted by the diaphragm 6, the adjusted light source 1 is driven into the cuvette 7, the light is driven into the third convex lens 8 after passing through the cuvette 7, the dispersed light source is changed into the point light source and enters the photodiode 14 by the third convex lens 8, the photoelectric converter 15 is composed of a card and an amplifier, the amplifier amplifies the transmitted light and then transmits the amplified light into the computer terminal 16(PC terminal) to carry out data acquisition, display, analysis and remote transmission, and the operation program of the device can be controlled.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims (10)

1. A photometer for single wavelength spectroscopy is characterized by comprising a light source (1), ground glass (2), a first convex lens (3), a second convex lens (4), a diaphragm (6), a cuvette (7), a third convex lens (8), a fixed frame, a photodiode (9), a photoelectric converter (10) and a computer terminal (11), one end of the fixed frame is provided with the light source (1), the other end of the fixed frame is provided with the photodiode (9), the fixing frame is sequentially provided with the ground glass (2), the first convex lens (3), the second convex lens (4), the diaphragm (6), the cuvette (7) and the third convex lens (8) from one end to the other end, the photodiode (9) is connected with the photoelectric converter (10), and the photoelectric converter (10) is in communication connection with the computer terminal (11).

2. Photometer of the single wavelength spectrum according to claim 1, further comprising an optical filter (5), said optical filter (5) being arranged between said second convex lens (4) and said diaphragm (6).

3. A photometer of single wavelength spectroscopy according to claim 1, further comprising a power pack (12), wherein the light source (1) is electrically connected to the computer terminal (11) through the power pack (12).

4. Photometer for single wavelength spectroscopy according to claim 2, characterized in that said ground glass (2), said first convex lens (3), said second convex lens (4), said optical filter (5) and said third convex lens (8) are coaxially arranged.

5. Photometer for single wavelength spectroscopy according to claim 1, characterized in that said light source (1) is a spherical light source (1).

6. The photometer of claim 1, further comprising an adjustment seat, wherein the first convex lens (3) and the second convex lens (4) are respectively clamped in the fixing frame through the adjustment seat.

7. The spectrophotometer according to claim 6, wherein said mounting bracket has internal threads formed on an inner sidewall thereof, said adjustment seat being threadably received within said mounting bracket.

8. A single wavelength spectrophotometer as claimed in claim 1 wherein said mounting frame is a circular tubular structure.

9. Photometer for single wavelength spectroscopy according to claim 1, characterized in that said light source (1) is a cold light source and a hot light source.

10. A photometer for single wavelength spectroscopy according to claim 1, wherein the cuvette (7) is removably arranged on the holder.

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