CN219996869U - Visual colorimeter with light source - Google Patents

Visual colorimeter with light source Download PDF

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Publication number
CN219996869U
CN219996869U CN202321631383.3U CN202321631383U CN219996869U CN 219996869 U CN219996869 U CN 219996869U CN 202321631383 U CN202321631383 U CN 202321631383U CN 219996869 U CN219996869 U CN 219996869U
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China
Prior art keywords
light
plate
white
sleeve
side plate
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CN202321631383.3U
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Chinese (zh)
Inventor
刘水清
邵晓莉
陈健骅
付冉冉
王音
华丰伟
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China Certification & Inspection Group Ningbo Co ltd
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China Certification & Inspection Group Ningbo Co ltd
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Abstract

The utility model relates to the technical field of experimental apparatuses, and discloses a visual colorimetric device with a light source. The visual colorimeter according to the utility model comprises: box and color comparison pipe support, color comparison pipe support set up in the box, include: locating plate, backup pad and sleeve pipe, the backup pad is equipped with a plurality of light trap, and sheathed tube inner wall is equipped with black light absorption material, and the sleeve pipe wears to establish on the locating plate, connects in the light trap department of backup pad, and the upper cover is equipped with first white light tape, is equipped with white glass board in the box, and preceding curb plate is equipped with the viewing aperture. According to the visual colorimetric device, the colorimetric tube is arranged in the sleeve in a penetrating mode, the colorimetric tube is irradiated by the first white light band from the upper portion along the axial direction, the first white light band irradiates on the white glass plate, and the chromaticity of the solution to be detected can be judged by comparing the light color spots. The box and the colorimetric tube rack are made of opaque materials, and the black light absorbing material is arranged on the inner surface of the sleeve, so that side light is prevented from entering the colorimetric tube, judgment is more accurate, and detection results are more accurate.

Description

Visual colorimeter with light source
Technical Field
The embodiment of the utility model relates to the technical field of experimental apparatuses, in particular to a visual colorimeter with a light source.
Background
The visual colorimetry is a conventional concentration or limit and chromaticity measuring method, and is widely applied to conventional analysis and detection with low accuracy requirements because the visual colorimetry is simple in equipment, convenient to operate and high in sensitivity and does not require colored solution to strictly obey beer's law.
Common inorganic ions and many organic compounds can be measured directly or indirectly by visual colorimetry. And placing a colorimetric tube filled with a to-be-detected color developing solution and a plurality of rows of standard solutions with different concentrations on a colorimetric tube rack during color comparison, repeatedly comparing and observing the color difference, sequencing according to the color depth, and finally determining the concentration or chromaticity of target ions or compounds in the to-be-detected solution by applying a clamping criterion.
The standard test method for determining the color of transparent liquids (platinum cobalt color) by ASTM D1209-05 (2019) requires a colorimetric comparison device that "white light of the same intensity passes through the cuvette in the axial direction of the cuvette, impinges on or reflects on the white glass plate, while light from the sides should be shielded from entering the cuvette".
The inventor of the utility model discovers that when the colorimetric method is adopted for detection at present, side light cannot be shielded from entering a colorimetric tube, so that the detection results have larger phase difference, and the detection does not meet the standard requirement.
Disclosure of Invention
The utility model aims to provide a visual colorimeter with a light source, which meets the standard requirements and solves the problems in the background technology.
The embodiment of the utility model provides a visual colorimeter with a light source, which is characterized by comprising the following components: a box body and a colorimetric tube stand;
the box body and the colorimetric tube rack are made of opaque materials;
the box includes: the device comprises a bottom plate, a left side plate, a right side plate, a front side plate, a rear side plate and an upper cover;
the bottom plate, the left side plate, the right side plate, the front side plate and the rear side plate enclose a rectangular frame, and the upper cover is rotatably arranged on the rectangular frame and is used for sealing the rectangular frame;
the colorimetric tube stand comprises: the positioning plate, the supporting plate and the sleeve;
the positioning plate and the supporting plate are horizontally arranged in the box body, and the positioning plate is positioned above the supporting plate;
the supporting plate is provided with a plurality of light holes;
the sleeve is provided with a plurality of sleeves, and the inner wall of the sleeve is provided with a black light absorption material;
the sleeves are vertically arranged and pass through the positioning plate, the bottoms of the plurality of sleeves are respectively connected to the light holes of the supporting plate, the sleeves are used for inserting the colorimetric tubes, and the supporting plate is used for supporting the colorimetric tubes;
the upper cover is provided with a first white light band, and the first white light band is positioned above the sleeve when the upper cover is covered;
a white glass plate is arranged in the box body and is positioned below the supporting plate;
the front side plate is provided with an observation port, and the observation port is positioned below the supporting plate and corresponds to the white glass plate.
Based on the above scheme, the visual colorimetric device with the light source comprises a box body and a colorimetric tube rack, wherein the box body and the colorimetric tube rack are made of opaque materials, and the colorimetric tube rack comprises: locating plate, backup pad and sleeve pipe, locating plate and backup pad set up in the box, and the backup pad is equipped with a plurality of light trap, and sheathed tube inner wall is equipped with black light absorbing material, and a plurality of sleeve pipes wear to establish on the locating plate, and sheathed tube bottom is connected in the light trap department of backup pad, and the upper cover is equipped with first white light tape, is equipped with white glass board in the box, and preceding curb plate is equipped with the viewing aperture. The visual colorimetric device with the light source provided by the utility model has the advantages that the colorimetric tubes filled with the standard solution and the solution to be detected are respectively penetrated in the sleeve to keep the colorimetric tubes vertical, the upper cover is covered, the first white light band of the upper cover axially irradiates the colorimetric tubes from the upper part, light irradiates on the white glass plate after passing through the colorimetric tubes, and the chromaticity of the solution to be detected in the colorimetric tubes can be judged by comparing the colors of the light spots. The box and the colorimetric tube rack are made of opaque materials, the black light absorbing material is arranged on the inner surface of the sleeve, side light is prevented from entering the colorimetric tube, meanwhile, reflected light formed after axial light is prevented from being transmitted out of the side face of the colorimetric tube and then enters the colorimetric tube from the side face, judgment is more accurate, and detection results are more accurate.
In one possible scheme, the light hole is a step hole, and the step big end of the light hole is used for the insertion of the colorimetric tube.
In one possible solution, the white glass plate is rotatably disposed in the case by a rotation shaft.
In one possible solution, the back of the white glass plate is provided with a second white light band;
the front side plate is provided with a movable plate, and the movable plate is rotatably arranged on the front side plate and is used for sealing the observation port.
In one possible solution, the first white light band and the second white light band are both LED light bands.
In one possible solution, the sleeves are arranged in a matrix of two rows;
the first white light band and the second white light band are in strip shapes;
the first white light band and the second white light band are respectively provided with two strips, and are respectively positioned right above and right below the sleeve.
In one possible solution, the first white band and the second white band have a width greater than the outer diameter of the sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
1. the light source with white light ensures the consistency of the light intensity.
2. The color comparison tube is arranged in the sleeve in a penetrating way, the black light absorption material is arranged on the inner surface of the sleeve, so that side light is prevented from entering the color comparison tube, and reflected light formed after axial light is transmitted out from the side surface is prevented from entering the color comparison tube from the side surface.
3. The box and the colorimetric tube rack are made of opaque materials, so that the interference of side light is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a visual colorimeter with a light source according to an embodiment of the utility model;
FIG. 2 is a schematic top view of a positioning plate according to an embodiment of the present utility model;
fig. 3 is an enlarged partial schematic view of a support plate in an embodiment of the present utility model.
Reference numerals in the drawings:
1. a case; 11. a bottom plate; 12. a left side plate; 13. a right side plate; 14. a front side plate; 15. a rear side plate; 16. an upper cover; 2. a colorimetric tube holder; 21. a positioning plate; 22. a support plate; 221. a light hole; 24. a sleeve; 31. a first white band of light; 32. a second white band of light; 4. white glass plate.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The technical scheme of the utility model is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
As described in the background of the utility model, when colorimetric detection is adopted, white light passes through the colorimetric tube along the axial direction of the colorimetric tube, irradiates on a white glass plate or reflects on the white glass plate, and simultaneously shields light rays on the side surfaces from entering the colorimetric tube.
The inventor of the utility model discovers that when the colorimetric method is adopted for detection at present, side light cannot be shielded from entering a colorimetric tube, so that the detection results have larger phase difference, and the detection does not meet the standard requirement.
In order to solve the above problems, the present inventors have proposed the technical solution of the present utility model, and specific embodiments are as follows:
fig. 1 is a schematic diagram of a visual colorimeter with a light source according to an embodiment of the utility model, fig. 2 is a schematic top view of a positioning plate according to an embodiment of the utility model, and fig. 3 is a schematic enlarged partial view of a support plate according to an embodiment of the utility model.
As shown in fig. 1 to 3, the visual colorimeter with a light source according to the present embodiment includes: a box body 1 and a colorimetric tube stand 2.
The case 1 includes: a bottom plate 11, a left side plate 12, a right side plate 13, a front side plate 14, a rear side plate 15, and an upper cover 16.
The left side plate 12, the right side plate 13, the front side plate 14 and the rear side plate 15 are respectively and vertically arranged at the peripheral side edges of the bottom plate 11, the left side plate 12, the right side plate 13, the front side plate 14 and the rear side plate 15 enclose a rectangular frame body with an open top, the upper cover 16 is rotatably arranged at the top of the rectangular frame body through a hinge, and the upper cover 16 seals the opening of the rectangular frame body when being covered.
The colorimetric tube rack 2 is arranged in the box body 1, and the colorimetric tube rack 2 comprises: a positioning plate 21, a support plate 22 and a sleeve 23.
The positioning plate 21 and the supporting plate 22 are horizontally arranged in the box body 1 at intervals up and down, and the positioning plate 21 is positioned above the supporting plate 22.
The support plate 22 is provided with a plurality of light transmission holes 221 penetrating up and down.
The number of the sleeves 23 is plural, the number of the sleeves 23 corresponds to the number of the light transmission holes 221 of the support plate 22, and a layer of black light absorbing material (not shown) is attached to the circumferential inner wall of the sleeve 12.
The sleeve 23 is vertical setting, and the top of sleeve 23 wears to establish on locating plate 21, and the top protrusion of sleeve 23 is in locating plate 21, and the bottom of sleeve 23 is connected respectively on backup pad 22, and a plurality of sleeves 23 are connected respectively in a plurality of light trap 221 departments of backup pad 22, and the pipeline of sleeve 23 is linked together with light trap 221.
The inner diameter of the sleeve 23 is adapted to the cuvette and is slightly larger than the outer diameter of the cuvette. When the cuvette is placed, the cuvette is arranged in the sleeve 23 in a penetrating way, and the bottom of the cuvette is propped against the supporting plate 22.
The first white light band 31 is provided on the inner bottom surface of the upper cover 16, and the first white light band 31 is located above the sleeve 23 and the cuvette when the upper cover 16 is closed.
The inside of the case 1 is provided with a white glass plate 4, and the white glass plate 4 is arranged below the support plate 22 of the colorimetric tube holder 2. It should be noted that the white glass plate 4 may also be a mirror surface.
The front side plate 14 of the case 1 is provided with a viewing port (not shown in the figure), and the viewing port of the front side plate 14 is located below the support plate 22 corresponding to the position of the white glass plate 4.
The bottom plate 11, the left side plate 12, the right side plate 13, the front side plate 14, the rear side plate 15 and the upper cover 16 of the case 1 are made of light-tight materials, and the positioning plate 21, the support plate 22 and the sleeve 23 of the colorimetric tube stand 2 are also made of light-tight materials.
In this embodiment, the vertical setting of sleeve pipe is in the box, and during the detection, the color comparison pipe that is equipped with standard solution and awaits measuring the solution wears to establish respectively in the sleeve pipe, closes the upper cover, and the first white light band of upper cover sends the light and shines the color comparison pipe along axial from upper portion, and the light shines on white glass board after passing the color comparison pipe, through the colour of the mottle on the white glass board, can judge the chromaticity of the solution that awaits measuring in the color comparison pipe. The inner surface of the sleeve is provided with a black light absorption material, so that the entering of side light is avoided, meanwhile, the reflected light formed after the axial light is transmitted out from the side surface of the colorimetric tube is prevented from entering the colorimetric tube from the side surface, and the judgment is more accurate.
Through the above-mentioned content is difficult to discover, and the colorimetric device that visualizes from taking light source of this embodiment is through setting up box and colorimetric tube support, and box and colorimetric tube support are made by the opaque material, and the colorimetric tube support includes: locating plate, backup pad and sleeve pipe, locating plate and backup pad set up in the box, and the backup pad is equipped with a plurality of light trap, and sheathed tube inner wall is equipped with black light absorbing material, and a plurality of sleeve pipes wear to establish on the locating plate, and sheathed tube bottom is connected in the light trap department of backup pad, and the upper cover is equipped with first white light tape, is equipped with white glass board in the box, and preceding curb plate is equipped with the viewing aperture. According to the visual colorimetric device with the light source, the colorimetric tubes filled with the standard solution and the solution to be detected are respectively penetrated in the sleeve to enable the colorimetric tubes to be kept vertical, the upper cover is covered, the first white light band of the upper cover axially irradiates the colorimetric tubes from the upper part, light irradiates on the white glass plate after passing through the colorimetric tubes, and the chromaticity of the solution to be detected in the colorimetric tubes can be judged by comparing the colors of the light spots. The box and the colorimetric tube rack are made of opaque materials, the black light absorbing material is arranged on the inner surface of the sleeve, side light is prevented from entering the colorimetric tube, meanwhile, reflected light formed after axial light is prevented from being transmitted out of the side face of the colorimetric tube and then enters the colorimetric tube from the side face, judgment is more accurate, and detection results are more accurate.
Alternatively, as shown in fig. 3, in the visual colorimeter with a light source in this embodiment, the light holes 221 on the support plate 22 are step holes.
The diameter of the large step end of the light hole 221 is slightly larger than the outer diameter of the cuvette, the diameter of the small step end of the light hole 221 is smaller than the outer diameter of the cuvette, and the large step end of the light hole 221 is upward.
The cuvette is arranged in the sleeve 23 in a penetrating way, the bottom end of the cuvette is inserted into the light hole 221 of the supporting plate 22 and is propped against the step shoulder of the light hole 221, and the supporting plate 22 positions and supports the cuvette and enables light to penetrate the cuvette and irradiate the white glass plate 4 below.
Optionally, in the visual colorimetric device with a light source in this embodiment, the rotating shafts are arranged on the left side and the right side of the white glass plate 4, and the white glass plate 4 is rotatably arranged on the left side plate 12 and the right side plate 13 of the box body 1 through the rotating shafts, so that the angle of the white glass plate 4 is adjustable, and the observation of the light color spots irradiated on the white glass plate 4 is facilitated.
Further, in the visual colorimeter with a light source in the embodiment, the back surface of the white glass plate 4 is provided with a second white light band 32.
The lower extreme of preceding curb plate 14 is equipped with fly leaf 141, and the fly leaf 141 rotatable setting is on preceding curb plate 14, and fly leaf 141 closes the viewing aperture of preceding curb plate 14 when closing, and fly leaf 141 accessible locking piece is fixed when the lid.
In this embodiment, a second white light band is provided on the back surface of the white glass plate, and the front side plate is provided with a movable plate for closing the observation port. After the colorimetric tube filled with the standard solution and the solution to be measured is placed, the white glass plate is rotated to enable the second white light band to face upwards, and then the movable plate is covered to enable the observation opening of the front side plate to be closed. The light shines the color comparison tube from the below, upwards passes the color comparison tube along the axial, and the observer can observe the light colour in the color comparison tube from the top, increases the suitability and the adaptability of device.
Further, in the visual colorimeter with a light source in the embodiment, the first white light band 31 on the upper cover 16 and the second white light band 32 on the white glass plate 4 are both LED light bands.
Further, in the visual colorimeter with a light source in the embodiment, the light holes 221 on the supporting plate 22 are arranged in a matrix of two rows.
Correspondingly, the plurality of sleeves 23 are arranged in a matrix of two rows and are respectively connected to the light holes 221 of the support plate 22.
The two first white light bands 31 on the upper cover 16 are arranged, the first white light bands 31 are in a strip shape and are arranged along the length direction, and the two first white light bands 31 are respectively positioned right above the two rows of sleeves 23.
Two second white light bands 32 are also arranged on the white glass plate 4, the second white light bands 32 are in a strip shape and are arranged along the length direction, and the two second white light bands 32 are respectively positioned under the two rows of sleeves 23.
In this embodiment, the sleeves are arranged in a matrix of two rows, the colorimetric tubes filled with the standard solution are sequentially placed in the sleeve of one row (the rear row) according to the concentration, the sleeve of the other row is used for placing the colorimetric tubes of the solution to be detected, so that a plurality of samples can be detected simultaneously, and meanwhile, the sample to be detected cannot be confused with the standard solution.
Further, in the visual colorimeter with a light source in the present embodiment, the first white light band 31 and the second white light band 32 are elongated, and the width of the first white light band 31 and the second white light band 32 is slightly larger than the outer diameter of the sleeve 23.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium.
Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. A visual colorimeter with a light source comprising: a box body and a colorimetric tube stand;
the box body and the colorimetric tube rack are made of opaque materials;
the box includes: the device comprises a bottom plate, a left side plate, a right side plate, a front side plate, a rear side plate and an upper cover;
the bottom plate, the left side plate, the right side plate, the front side plate and the rear side plate enclose a rectangular frame, and the upper cover is rotatably arranged on the rectangular frame and is used for sealing the rectangular frame;
the colorimetric tube stand comprises: the positioning plate, the supporting plate and the sleeve;
the positioning plate and the supporting plate are horizontally arranged in the box body, and the positioning plate is positioned above the supporting plate;
the supporting plate is provided with a plurality of light holes;
the sleeve is provided with a plurality of sleeves, and the inner wall of the sleeve is provided with a black light absorption material;
the sleeves are vertically arranged and pass through the positioning plate, the bottoms of the plurality of sleeves are respectively connected to the light holes of the supporting plate, the sleeves are used for inserting the colorimetric tubes, and the supporting plate is used for supporting the colorimetric tubes;
the upper cover is provided with a first white light band, and the first white light band is positioned above the sleeve when the upper cover is covered;
a white glass plate is arranged in the box body and is positioned below the supporting plate;
the front side plate is provided with an observation port, and the observation port is positioned below the supporting plate and corresponds to the white glass plate.
2. The visual colorimeter according to claim 1 wherein the light-transmitting holes are stepped holes, and the stepped large ends of the light-transmitting holes are used for inserting a cuvette.
3. The self-contained light source visual colorimeter according to claim 1 wherein the white glass plate is rotatably disposed in the housing by a rotating shaft.
4. A visual colorimeter according to claim 3 wherein the back of the white glass plate is provided with a second white band of light;
the front side plate is provided with a movable plate, and the movable plate is rotatably arranged on the front side plate and is used for sealing the observation port.
5. The self-contained light source visual colorimeter according to claim 4 wherein the first white light band and the second white light band are both LED light bands.
6. The self-contained light source visual colorimeter according to claim 4 wherein said sleeves are arranged in a matrix of two rows;
the first white light band and the second white light band are in strip shapes;
the first white light band and the second white light band are respectively provided with two strips, and are respectively positioned right above and right below the sleeve.
7. The self-contained light source visual colorimeter according to claim 6 wherein the first white band and the second white band have a width greater than the outer diameter of the sleeve.
CN202321631383.3U 2023-06-26 2023-06-26 Visual colorimeter with light source Active CN219996869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321631383.3U CN219996869U (en) 2023-06-26 2023-06-26 Visual colorimeter with light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321631383.3U CN219996869U (en) 2023-06-26 2023-06-26 Visual colorimeter with light source

Publications (1)

Publication Number Publication Date
CN219996869U true CN219996869U (en) 2023-11-10

Family

ID=88612654

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321631383.3U Active CN219996869U (en) 2023-06-26 2023-06-26 Visual colorimeter with light source

Country Status (1)

Country Link
CN (1) CN219996869U (en)

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