CN116183493A

CN116183493A - Portable spectrophotometer light path system

Info

Publication number: CN116183493A
Application number: CN202211707560.1A
Authority: CN
Inventors: 汪希文; 张吉光
Original assignee: Shanghai Onla Instrument Co ltd
Current assignee: Shanghai Onla Instrument Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30

Abstract

The invention relates to the technical field of optical instruments, in particular to a portable spectrophotometer optical path system, which comprises a base and a test tube chamber, wherein an optical path seat is fixedly sleeved on the outer side of the test tube chamber, a bottom shell is fixedly arranged at the bottom of the optical path seat, the bottom shell is fixedly arranged on the base, a top shell is fixedly arranged at the top of the optical path seat, a plurality of light emitting diodes a are fixedly arranged at one side of the upper end of the optical path seat at intervals, a plurality of light emitting diodes b are fixedly arranged at the other side of the lower end of the optical path seat at intervals, an upper color filter is fixedly arranged at the position of the upper end of the optical path seat opposite to the light emitting diodes a, and an optical signal receiver a is fixedly arranged at the outer side of the upper color filter.

Description

Portable spectrophotometer light path system

Technical Field

The invention relates to the technical field of optical instruments, in particular to a portable spectrophotometer optical path system.

Background

The spectrophotometry is a method for qualitatively or quantitatively analyzing the substance by light absorbance at a specific wavelength or within a certain wavelength range, the spectrophotometer is a conventional instrument of a modern molecular biology laboratory, is commonly used for quantifying nucleic acid, protein and bacteria growth concentration, the absorption spectra of different substances are different, and substances contained in a solution can be identified according to the absorption spectra, the conventional spectrophotometer generally consists of a light source, a monochromator, a sample chamber, a detector and the like, and the conventional spectrophotometer is provided with a portable spectrophotometer light path system because only the light source irradiates on one side of a colorimetric tube for measurement, so that a measurement result is greatly interfered by a non-uniform factor of the material of the colorimetric tube, measurement errors are easily increased, and stability and accuracy of the measurement result are influenced.

Disclosure of Invention

The invention aims to provide a portable spectrophotometer optical path system so as to solve the technical problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a portable spectrophotometer light path system, includes base and test tube room, the outside fixed cover of test tube room is equipped with the light path seat, the bottom fixed mounting of light path seat has the drain pan, drain pan fixed mounting is on the base, the top fixed mounting of light path seat has a top shell, upper end one side interval fixed mounting of light emitting diode a of light path seat has a plurality of emitting diode b, the lower extreme opposite side interval fixed mounting of light path seat has a plurality of emitting diode b, the upper end of light path seat and the relative position department fixed mounting of light emitting diode a have the colour filter, the upper end of light path seat is located the outside fixed mounting of colour filter and has the colour filter down, the upper end of light path seat is located the outside fixed mounting of colour filter down and has the colour filter b, the one end fixed mounting of base has the PCB controller, PCB controller signal connection is in light emitting diode a, light signal receiver a, light emitting diode b and light signal receiver b.

Preferably, a liquid crystal display is fixedly installed on the PCB controller, and the liquid crystal display is connected with the PCB controller in a signal mode.

Preferably, a lithium battery is fixedly arranged in the base, and the lithium battery is electrically connected with the light emitting diode a, the optical signal receiver a, the light emitting diode b, the optical signal receiver b, the PCB controller and the liquid crystal display.

Preferably, the number of the light emitting diodes a and the number of the light signal receivers a are four.

Preferably, the side of the test tube chamber is provided with a plurality of light through holes at intervals, and the cross section of each light through hole is elliptical.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the light path is respectively irradiated to the position points on each side of the colorimetric tube through the light-passing ports by utilizing the light-emitting diodes a and the light-emitting diodes b at the upper end and the lower end of the light path seat, the light signal receiver a and the light signal receiver b transmit the light path information to the PCB controller for corresponding analysis to generate each measurement result, the PCB controller calculates the average value of each measurement result to generate final measurement result information, the multi-point measurement can be carried out on the colorimetric tube, the interference of the measurement result caused by the uneven factors of the materials of the colorimetric tube is reduced, the increase of measurement errors is facilitated, and the stability and the accuracy of the measurement result are improved;

2. according to the invention, the components are assembled on the base, so that the structure is more compact, the whole size is reduced, the occupied space is reduced, and the storage and the carrying are convenient.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a first perspective explosion structure according to the present invention;

FIG. 3 is a schematic view of a second perspective explosion structure according to the present invention;

fig. 4 is a schematic cross-sectional view of the present invention.

In the figure: 1. a base; 101. a lithium battery; 2. a test tube chamber; 201. a light-transmitting port; 3. an optical path seat; 301. a bottom case; 302. a top shell; 303. a light emitting diode a; 304. a color filter is arranged; 305. an optical signal receiver a; 306. a light emitting diode b; 307. a lower color filter; 308. an optical signal receiver b; 4. a PCB controller; 401. a liquid crystal display; 5. colorimetric tubes.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a portable spectrophotometer light path system, including base 1 and test tube room 2, test tube room 2's outside fixed cover is equipped with light path seat 3, the bottom fixed mounting of light path seat 3 has drain pan 301, drain pan 301 fixed mounting is on base 1, the top fixed mounting of light path seat 3 has top shell 302, a plurality of emitting diode a303 are fixed to upper end one side interval of light path seat 3, a plurality of emitting diode b306 are fixed to lower extreme opposite side interval of light path seat 3, the upper end of light path seat 3 and the relative position department of emitting diode a303 fixed mounting have last color filter 304, the upper end of light path seat 3 is located the outside fixed mounting of last color filter 304 and has optical signal receiver a305, the upper end of light path seat 3 and the relative position department of emitting diode b306 fixed mounting have down color filter 307, the upper end of light path seat 3 is located the outside fixed mounting of lower color filter 307 and has optical signal receiver b308, PCB controller 4 is fixed to one end of base 1, PCB controller 4 signal connection is in emitting diode a303, optical signal receiver a305, optical signal receiver b306 and optical signal receiver 308 b.

As a preferred implementation manner in this embodiment, the PCB controller 4 is fixedly provided with the liquid crystal display 401, and the liquid crystal display 401 is signal-connected to the PCB controller 4, so that the purpose of enabling the liquid crystal display 401 to display measurement result information is achieved.

As a preferred implementation manner in this embodiment, the lithium battery 101 is fixedly installed inside the base 1, and the lithium battery 101 is electrically connected to the light emitting diode a303, the optical signal receiver a305, the light emitting diode b306, the optical signal receiver b308, the PCB controller 4 and the liquid crystal display 401.

As a preferred implementation manner in this embodiment, the number of the light emitting diodes a303 and the number of the light emitting diodes b306 are four.

As a preferred implementation manner in this embodiment, the side surface of the cuvette chamber 2 is provided with a plurality of light-passing ports 201 at intervals, and the cross-section of the light-passing ports 201 is elliptical, so that the light-emitting diode a303 and the light-emitting diode b306 can irradiate the light path to the colorimetric cuvette 5 in the cuvette chamber 2 through the light-passing ports 201.

Working principle:

in the use process, the cuvette 5 is placed in the cuvette chamber 2, the light paths of the light emitting diodes a303 and the light emitting diodes b306 at the upper end and the lower end of the light path seat 3 are respectively irradiated to the position points at each side of the cuvette 5 through the light through holes 201, the light paths of the light emitting diodes a303 are irradiated to the corresponding upper color filters 304 through the cuvette 5, the light paths of the light emitting diodes b306 are irradiated to the corresponding lower color filters 307 through the cuvette 5, the light paths filtered by the upper color filters 304 and the lower color filters 307 are respectively absorbed by the corresponding optical signal receivers a305 and b308, the optical signal receivers a305 and b308 transmit the light path information to the PCB controller 4 to correspondingly analyze and generate each measurement result, and the PCB controller 4 calculates the average value of each measurement result to generate the final measurement result information.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a portable spectrophotometer light path system, includes base (1) and test tube room (2), its characterized in that: the outside fixed cover of test tube room (2) is equipped with light path seat (3), the bottom fixed mounting of light path seat (3) has drain pan (301), drain pan (301) fixed mounting is on base (1), the top fixed mounting of light path seat (3) has top shell (302), the outside fixed mounting of upper end one side of light path seat (3) has a plurality of emitting diode a (303), the lower extreme opposite side interval fixed mounting of light path seat (3) has a plurality of emitting diode b (306), the upper end of light path seat (3) and the relative position department fixed mounting of emitting diode a (303) have last colour filter (304), the outside fixed mounting of upper end of light path seat (3) in last colour filter (304) has optical signal receiver a (305), the upper end of light path seat (3) and the relative position department fixed mounting of emitting diode b (306) have lower colour filter (307), the outside fixed mounting of the upper end of light path seat (3) is located the outside fixed mounting of lower colour filter a (307) has optical signal receiver b (308), one end controller (4) of base (1) and light signal receiver (308), PCB (3) are connected with optical signal receiver (308).

2. A portable spectrophotometer optics system as claimed in claim 1 wherein: and the PCB controller (4) is fixedly provided with a liquid crystal display (401), and the liquid crystal display (401) is in signal connection with the PCB controller (4).

3. A portable spectrophotometer optics system as claimed in claim 2 wherein: the lithium battery (101) is fixedly arranged in the base (1), and the lithium battery (101) is electrically connected with the light emitting diode a (303), the light signal receiver a (305), the light emitting diode b (306), the light signal receiver b (308), the PCB controller (4) and the liquid crystal display (401).

4. A portable spectrophotometer optics system as claimed in claim 1 wherein: the number of the light emitting diodes a (303) and the number of the light emitting diodes b (306) are four.

5. A portable spectrophotometer optics system as claimed in claim 1 wherein: the side of the test tube chamber (2) is provided with a plurality of light through holes (201) at intervals, and the cross section of each light through hole (201) is elliptical.