CN212301299U

CN212301299U - Colorimetric detection device

Info

Publication number: CN212301299U
Application number: CN202020409911.0U
Authority: CN
Inventors: 童志强; 杨建洪; 庞志; 徐亦安; 王文浩
Original assignee: Shenzhen Lightsun Technology Co ltd
Current assignee: Shenzhen Lightsun Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-01-05
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a colorimetric detection device, which comprises a cuvette, a cuvette holder, a cuvette cover, a light source mounting plate and a detector mounting plate, wherein the cuvette holder comprises a bottom plate and two side plates which are respectively arranged at the two opposite sides of the bottom plate; the colorimetric frame is provided with a first groove, a second groove and a third groove; the light source mounting plate is convexly provided with a first boss which is embedded in the first groove; the detector mounting plate is convexly provided with a second boss which is embedded in the second groove; the colorimetric cover is convexly provided with a third boss which is embedded in the third groove. The utility model discloses a color comparison detection device has and can reduce external light effectively and enter into the storage tank in influence the testing result, has improved the advantage of the degree of accuracy that detects.

Description

Colorimetric detection device

Technical Field

The utility model relates to a water quality testing field especially relates to a color comparison detection device.

Background

Along with the progress of society and the intensification of industrialization process, the pollution to the natural environment which people endure living is more and more serious, and people pay more attention to water quality monitoring. The colorimetric detection device is a device for fixing a cuvette and a related circuit, and plays an important role in the aspect of analysis and detection of different water qualities such as surface water, drinking water, waste water, underground water, seawater and the like.

At present, the colorimetric dishes have various shapes, and different functions of different shapes need different devices. Most of the prior devices of the rectangular cuvette are easy to transmit light, and the detection result is easy to influence.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to disclose a colorimetric detection device, which is used for solving the problem that the detection result is easily influenced by the easy transmission of the prior colorimetric detection device.

The purpose of the utility model is realized by adopting the following technical scheme:

a colorimetric detection device comprises a cuvette, a cuvette holder, a colorimetric cover, a light source mounting plate and a detector mounting plate, wherein the cuvette holder comprises a bottom plate and two side plates which are respectively arranged at two opposite sides of the bottom plate; the outer edge of one side, facing the light source mounting plate, of the colorimetric frame is concavely provided with a first groove, the outer edge of one side, facing the detector mounting plate, of the colorimetric frame is concavely provided with a second groove, and the outer edge of one side, facing the colorimetric cover, of the colorimetric frame is concavely provided with a third groove; the outer edge of one side, facing the color comparison rack, of the light source mounting plate is convexly provided with a first boss, and the first boss is embedded in the first groove; a second boss is convexly arranged on the outer edge of one side, facing the color comparison rack, of the detector mounting plate, and the second boss is embedded in the second groove; the color comparison lid is towards the protruding third boss that is equipped with of outward flange of color comparison frame one side, the third boss inlays to be located in the third recess.

As an improvement mode, the light source mounting panel orientation the concave first breach that is equipped with in one side of color comparison lid, the color comparison lid orientation the protruding first arch that is equipped with in one side of light source mounting panel, first arch is inlayed and is located in the first breach.

As an improvement mode, the detector mounting panel orientation the concave second breach that is equipped with in one side of color comparison lid, the color comparison lid orientation the protruding second that is equipped with in one side of detector mounting panel is protruding, the second arch is inlayed and is located in the second breach.

As an improvement mode, the colorimetric cover includes the roof, locate roof one end and with the relative first riser of light source mounting panel and locate the other end of roof and with the relative second riser of detector mounting panel, first arch is located first riser orientation one side of light source mounting panel, the second arch is located the second riser orientation one side of detector mounting panel.

As an improvement mode, a protruding block used for sealing the cuvette is convexly arranged on one side, facing the cuvette, of the top plate.

As an improvement mode, the light source mounting panel includes mounting panel plate body and unthreaded hole regulating plate, the unthreaded hole regulating plate is located the mounting panel plate body with between the cell, the mounting panel plate body runs through and has seted up into the unthreaded hole, the unthreaded hole regulating plate runs through and sets up the dimming hole that a plurality of diameter differs and be the circumference array.

As an improvement mode, the mounting panel plate body orientation the concave mounting groove that is equipped with in one side of cell, the rotatable inlay of unthreaded hole regulating plate is located in the mounting groove.

As an improvement mode, the mounting groove has the orientation the kerve face of cell, the mounting panel plate body is in the protruding cylinder that is equipped with of kerve face, the round hole has been seted up to the unthreaded hole regulating plate, the unthreaded hole regulating plate passes through the rotatable cover of round hole is located the cylinder.

As an improvement mode, the mounting panel plate body in the edge of mounting groove is equipped with first scale, is used for the sign advance the unthreaded hole, the edge of unthreaded hole regulating plate is equipped with a plurality of second scale, is used for the sign light modulation hole, every light modulation hole corresponds and sets up one the second scale.

As an improved mode, the side plate is provided with a threaded hole in a penetrating mode and used for being installed by a screw to fix the cuvette.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a color comparison detection device, through setting up the concave first recess that is equipped with of outward flange of color comparison frame towards light source mounting panel one side, the color comparison frame is equipped with the second recess towards the concave outward flange of detector mounting panel one side, the color comparison frame is equipped with the third recess towards the concave outward flange of color comparison lid one side, and through setting up the protruding first boss that is equipped with of outward flange of light source mounting panel towards color comparison frame one side, first boss inlays to be located in the first recess, the detector mounting panel is equipped with the second boss towards the protruding outward flange of color comparison frame one side, the second boss inlays to be located in the second recess, the color comparison lid is equipped with the third boss towards the protruding outward flange of color comparison utensil one side, the third boss inlays to be. Like this, the first boss can block the gap that exists when light source mounting panel assembles with the color comparison frame, and the second boss can block the gap that exists when detector mounting panel assembles with the color comparison frame, and the third boss can block the gap that exists when color comparison lid assembles with the color comparison frame, reduces influence testing result in the light that external world enters into the storage tank effectively, has improved the degree of accuracy that detects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic structural diagram of a colorimetric detection device according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is an exploded schematic view of the colorimetric detection device shown in FIG. 1;

FIG. 5 is an exploded view of another embodiment of the colorimetric detection device shown in FIG. 1;

fig. 6 is a schematic structural diagram of a color comparison rack according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a colorimetric cover according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a light source mounting board according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a detector mounting plate according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1-6, an embodiment of the present invention discloses a colorimetric detection device 100, including a cuvette 10, a cuvette holder 20, a colorimetric cover 30, a light source mounting plate 40 and a detector mounting plate 50, wherein the cuvette holder 20 includes a bottom plate 21 and two side plates 22 respectively disposed at two opposite sides of the bottom plate 21, the light source mounting plate 40 is mounted at one side of the two side plates 22, the detector mounting plate 50 is mounted at the other side of the two side plates 22, the cuvette holder 20, the light source mounting plate 40 and the detector mounting plate 50 enclose a storage tank 101 with an opening at the top, the cuvette 10 is accommodated in the storage tank 101, and the colorimetric cover 30 covers the opening; the outer edge of one side of the color comparison rack 20, which faces the light source mounting plate 40, is concavely provided with a first groove 23, the outer edge of one side of the color comparison rack 20, which faces the detector mounting plate 50, is concavely provided with a second groove 24, and the outer edge of one side of the color comparison rack 20, which faces the color comparison cover 30, is concavely provided with a third groove 25; the outer edge of the light source mounting plate 40 facing one side of the color comparison rack 20 is convexly provided with a first boss 41, and the first boss 41 is embedded in the first groove 23; the outer edge of the detector mounting plate 50 facing one side of the color comparison rack 20 is convexly provided with a second boss 51, and the second boss 51 is embedded in the second groove 24; the outer edge of the colorimetric cover 30 facing the colorimetric stand 20 is convexly provided with a third boss 31, and the third boss 31 is embedded in the third groove 25.

It is understood that since the color comparison shelf 20 is composed of the bottom plate 21 and the two side plates 22, the shape of the side thereof facing the light source mounting board 40 is U-shaped, and thus the first groove 23 is U-shaped. Similarly, the second groove 24 is also U-shaped. And the third groove 25 is a straight notch provided on the outer side surfaces of the two side plates.

The color comparison detection device disclosed in this embodiment, through setting up the color comparison frame 20 and being equipped with first recess 23 towards the concave outward flange of light source mounting panel 40 one side, color comparison frame 20 is equipped with second recess 24 towards the concave outward flange of detector mounting panel 50 one side, color comparison frame 20 is equipped with third recess 25 towards the concave outward flange of color comparison lid 30 one side, and through setting up the protruding first boss 41 that is equipped with of outward flange of light source mounting panel 40 towards color comparison frame 20 one side, first boss 41 inlays and locates in first recess 23, detector mounting panel 50 is equipped with second boss 51 towards the protruding outward flange of color comparison frame 20 one side, second boss 51 inlays and locates in second recess 24, color comparison lid 30 is equipped with third boss 31 towards the protruding outward flange of color comparison frame one side, third boss 31 inlays and locates in third recess 25. Like this, the first boss 13 can shelter from the gap that exists when light source mounting panel 40 assembles with color comparison frame 20, and the second boss 14 can shelter from the gap that exists when detector mounting panel 50 assembles with color comparison frame 20, and the gap that exists when third boss 30 can shelter from color comparison lid 30 and color comparison frame 20 and assemble reduces influence testing result in external light enters into storage tank 101 effectively, has improved the degree of accuracy that detects.

It is understood that, in order to prevent external light from entering the receiving groove 101, the color comparison rack 20, the color comparison cover 30, the light source mounting plate 40 and the detector mounting plate 50 are preferably made of black light-absorbing materials, such as black teflon.

The cuvette 10 in the present embodiment is preferably a rectangular parallelepiped, the two side plates 22 of the cuvette holder 20 are respectively sandwiched on both sides in the longitudinal direction of the cuvette 10, and the light source mounting plate 40 and the detector mounting plate 50 are sandwiched on both sides in the width direction of the cuvette 10.

Referring to fig. 7 and 8, in an alternative embodiment, a first notch 42 is concavely formed on a side of the light source mounting plate 40 facing the colorimetric cover 30, a first protrusion 32 is convexly formed on a side of the colorimetric cover 30 facing the light source mounting plate 40, and the first protrusion 32 is embedded in the first notch 42. With this design, through the embedded cooperation that sets up first arch 32 and first breach 42, first arch 32 can shelter from the gap that exists when light source mounting panel 40 and colorimetric cover 30 butt, further reduces influence testing result in external light enters into storage tank 101, has improved the degree of accuracy that detects. It will be appreciated that in order for the first protrusion 32 to provide a good light shading effect, the width of the first protrusion 32 should be greater than or equal to the width of the cuvette 10.

Referring to fig. 7 and 9, in an alternative embodiment, a second notch 52 is concavely formed on a side of the detector mounting plate 50 facing the colorimetric cover 30, a second protrusion 33 is convexly formed on a side of the colorimetric cover 30 facing the detector mounting plate 50, and the second protrusion 33 is embedded in the second notch 52. Similarly, through the embedded cooperation that sets up second arch 33 and second breach 52, the second arch 33 can shelter from the gap that exists when detector mounting panel 50 and colorimetric cover 30 butt, further reduces influence testing result in external light enters into storage tank 101, has improved the degree of accuracy that detects. It will be appreciated that, in order to make the second protrusion 33 perform a better light-shielding effect, the width of the second protrusion 33 should be greater than or equal to the width of the cuvette 10.

Referring to fig. 7, in an alternative embodiment, the colorimetric cap 30 includes a top plate 34, a first vertical plate 35 disposed at one end of the top plate 34 and opposite to the light source mounting plate 40, and a second vertical plate 36 disposed at the other end of the top plate 34 and opposite to the detector mounting plate 50, wherein the first protrusion 32 is disposed on a side of the first vertical plate 34 facing the light source mounting plate 40, and the second protrusion 33 is disposed on a side of the second vertical plate 36 facing the detector mounting plate 50. With this design, be equipped with first riser 35 and second riser 36 respectively at the both ends of roof 34 through setting up color comparison lid 30, first riser 35 and second riser 36 can carry the both sides of cell 10 in length direction, are favorable to the fixed of cell 10. It will be appreciated that the light source mounting plate 40 and the detector mounting plate 50 should be lowered by a corresponding height relative to the side plate 22 for mounting of the first and

second risers

35, 36. It should be noted that it is also possible that the colorimetric cover 30 includes only the top plate 34 and does not include the first standing plate 35 and the second standing plate 36, and correspondingly, the light source mounting plate 40 and the detector mounting plate 50 are disposed flush with the side plate 22.

In an alternative embodiment, a projection 37 for closing the cuvette 10 protrudes from the side of the top plate 34 facing the cuvette 10. By providing a projection 37 on the side of the top plate 34 facing the cuvette 10 to seal the cuvette 10, liquid inside the cuvette 10 is prevented from spilling out.

Referring to fig. 8, in an alternative embodiment, the light source mounting plate 40 includes a mounting plate body 43 and a light hole adjusting plate 44, the light hole adjusting plate 44 is disposed between the mounting plate body 43 and the cuvette 10, the mounting plate body 43 is formed with a light inlet 431, and the light hole adjusting plate 44 is formed with a plurality of light adjusting holes 441 having different diameters and arranged in a circumferential array. In use of the colorimetric detection device 100, light emitted from the light source mounted on the light source mounting plate 40 enters the cuvette 10 through the light inlet 431 and the light adjustment hole 441. Through setting up unthreaded hole regulating plate 44 and running through the hole 441 that adjusts luminance of seting up a plurality of diameter not uniform and being the circumference array, operating personnel can select the hole 441 that adjusts luminance of specific diameter and advance the cooperation of unthreaded hole 431 and use according to actual need, enlarges this colorimetric detection device 100's application scope.

In an alternative embodiment, the mounting plate body 43 is recessed with a mounting groove 432 on a side facing the cuvette 10, and the aperture-adjusting plate 44 is rotatably fitted in the mounting groove 432. With this design, through setting up mounting groove 432, unthreaded hole regulating plate 44 inlays and locates in mounting groove 432 for colorimetric detection device 100's structure is more compact, can effectively reduce colorimetric detection device 100's size.

In an alternative embodiment, the mounting groove 432 has a bottom groove surface 4321 facing the cuvette 10, the mounting plate 43 has a cylindrical body 433 protruded from the bottom groove surface 4321, the aperture-adjusting plate 44 has a circular hole 442, and the aperture-adjusting plate 44 is rotatably sleeved on the cylindrical body 433 through the circular hole 442. In this design, the rotation adjustment of the aperture-adjusting plate 44 is facilitated by designing the embedded fit of the cylindrical body 433 and the circular hole 442.

In an alternative embodiment, the mounting plate body 43 has a first scale 434 at the edge of the mounting groove 432 for marking the light inlet 431, the light hole adjusting plate 44 has a plurality of second scales 443 at the edge for marking the light adjusting holes 441, and each light adjusting hole 441 has a corresponding second scale 443. In this design, by designing the first scale 434 and the second scale 443, it is possible to know whether the dimming hole 441 is aligned with the light inlet hole 431 by observing whether the first scale 434 and the second scale 443 are aligned.

Referring to FIG. 6, in an alternative embodiment, the side plate 22 has threaded holes 221 formed therethrough for receiving screws to secure the cuvette 10. In this design, the cuvette 10 can be fixed by abutting the adjustment screw against the cuvette 10.

Referring to fig. 9, in an alternative embodiment, the detector mounting plate 50 is formed with a light outlet 53. The light source enters the cuvette 10 through the light inlet 431 and the light adjusting port 441 and then exits through the light outlet 53, and the light outlet 53 is provided with a detector for detecting light.

The assembly process of the disclosed colorimetric detection device is as follows:

first, the aperture adjustment plate 44 is mounted in the mounting groove 432 of the mounting plate body 43. Selecting a light adjusting hole 441 on the light hole adjusting plate 44 according to the test requirement, rotating the light hole adjusting plate 44 to align a second scale 443 arranged corresponding to the selected light adjusting hole 441 with the first scale 434, and after the adjustment is consistent, penetrating the light hole adjusting plate 44 and the mounting plate body 43 by a countersunk head screw 102 with a proper length and size, and fastening the two components.

Then, the first boss 41 arranged on the light source mounting plate 40 is embedded into the first groove 23 arranged at the outer edge of the left side surface of the color comparison rack 20, the first boss and the first groove are matched, and the light source mounting plate 40 and the color comparison rack 20 are fixed through screws. Similarly, the detector mounting plate 50 is mounted to the right side of the color comparison rack 20 by screws.

Next, the cuvette 10 is accommodated in the accommodating groove 101 defined by the cuvette holder 20, the light source mounting plate 40, and the detector mounting plate 50. Then, the colorimetric cover 30 is covered over the colorimetric stand 20 in such a manner that the third boss 31 is fitted into the third groove 25, and the colorimetric cover 30 is fixed to the colorimetric stand 20 by screws.

Then, the colorimetric cuvette 10 is further fastened by a fastening screw through the threaded hole 221 formed in the side plate 22, so that the test result is prevented from being influenced by the looseness of the internal colorimetric cuvette 10, and the assembly of the entire colorimetric detection device 100 is never completed.

During the use, the color comparison lid 30 can be opened, adds sample and reagent to the cell 10, also can loosen the screw that the tight screw hole 221 department of cell 10 was decided, takes out the cell 10 from the device, washs. When the light adjusting holes 441 need to be adjusted, the left light source mounting plate 40 can be detached, the light adjusting holes 441 with the appropriate diameter are selected, the light hole adjusting plate 44 is rotated, the selected light adjusting holes 441 are aligned with the light inlet holes 431, and then the light source mounting plate 40 is fastened to the color comparison rack 20.

In the actual use process, the light source passes through the cuvette 10 through the light inlet 431 and the light adjusting hole 441 and then irradiates the detector from the light outlet 50, thereby completing the whole colorimetric detection.

As can be seen from the above assembling and disassembling processes, the colorimetric detection device 100 of the present disclosure has a simple structure and is convenient to assemble, disassemble and maintain.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A colorimetric detection device is characterized by comprising a cuvette, a cuvette holder, a cuvette cover, a light source mounting plate and a detector mounting plate, wherein the cuvette holder comprises a bottom plate and two side plates which are respectively arranged at two opposite sides of the bottom plate; the outer edge of one side, facing the light source mounting plate, of the colorimetric frame is concavely provided with a first groove, the outer edge of one side, facing the detector mounting plate, of the colorimetric frame is concavely provided with a second groove, and the outer edge of one side, facing the colorimetric cover, of the colorimetric frame is concavely provided with a third groove; the outer edge of one side, facing the color comparison rack, of the light source mounting plate is convexly provided with a first boss, and the first boss is embedded in the first groove; a second boss is convexly arranged on the outer edge of one side, facing the color comparison rack, of the detector mounting plate, and the second boss is embedded in the second groove; the color comparison lid is towards the protruding third boss that is equipped with of outward flange of color comparison frame one side, the third boss inlays to be located in the third recess.

2. The colorimetric detection device of claim 1, wherein a first notch is concavely formed in a side of the light source mounting plate facing the colorimetric cover, a first protrusion is convexly formed on a side of the colorimetric cover facing the light source mounting plate, and the first protrusion is embedded in the first notch.

3. A colorimetric detection device as claimed in claim 2, wherein the detector mounting plate has a second notch recessed in a side thereof facing the colorimetric cover, and a second protrusion protruding from a side thereof facing the detector mounting plate, the second protrusion being embedded in the second notch.

4. The colorimetric detection device of claim 3, wherein the colorimetric cover comprises a top plate, a first vertical plate disposed at one end of the top plate and opposite to the light source mounting plate, and a second vertical plate disposed at the other end of the top plate and opposite to the detector mounting plate, wherein the first protrusion is disposed on a side of the first vertical plate facing the light source mounting plate, and the second protrusion is disposed on a side of the second vertical plate facing the detector mounting plate.

5. A colorimetric detection device in accordance with claim 4, wherein a projection for covering the cuvette is projected from a side of the top plate facing the cuvette.

6. A colorimetric detection device in accordance with claim 1, wherein the light source mounting plate comprises a mounting plate body and a light hole adjusting plate, the light hole adjusting plate is disposed between the mounting plate body and the cuvette, the mounting plate body has a light inlet hole, and the light hole adjusting plate has a plurality of light adjusting holes with different diameters and arranged in a circular array.

7. The colorimetric detection device of claim 6, wherein a mounting groove is concavely formed on one side of the mounting plate body facing the cuvette, and the aperture adjusting plate is rotatably embedded in the mounting groove.

8. The colorimetric detection device of claim 7, wherein the mounting groove has a bottom groove surface facing the cuvette, the mounting plate body is provided with a cylinder protruding from the bottom groove surface, the unthreaded hole adjusting plate is provided with a circular hole, and the cylinder is rotatably sleeved with the unthreaded hole adjusting plate through the circular hole.

9. The colorimetric detection device of claim 7, wherein the mounting plate body is provided with a first scale at an edge of the mounting groove for identifying the light inlet hole, the edge of the light hole adjusting plate is provided with a plurality of second scales for identifying the light adjusting holes, and each light adjusting hole is correspondingly provided with one second scale.

10. A colorimetric detection device as claimed in any of claims 1 to 9, wherein the side plate has a threaded hole formed therethrough for receiving a screw to fix the cuvette.