CN207036678U

CN207036678U - Colorimetric device

Info

Publication number: CN207036678U
Application number: CN201720973337.XU
Authority: CN
Inventors: 杨明妍; 万宇
Original assignee: ANHUI CHEMICAL ENGINEERING INST
Current assignee: ANHUI CHEMICAL ENGINEERING INST
Priority date: 2017-08-04
Filing date: 2017-08-04
Publication date: 2018-02-23
Anticipated expiration: 2027-08-04

Abstract

The utility model provides a kind of colorimetric device, including：Camera bellows, rack for test tube, color board, light source cell, image acquisition units and colorimetric identifying unit, the rack for test tube and color board are arranged in the camera bellows, and neck is provided between rack for test tube and the camera bellows inside, and the color board is located in the neck；The side relative with the rack for test tube is provided with light source cell and image acquisition units in the camera bellows, and described image collecting unit is connected with the colorimetric identifying unit.Colorimetric device of the present utility model conveniently carries out the colorimetric analysis of lucifuge darkroom；Color board built in camera bellows, avoid the cumbersome of preparing standard solution；Light source cell is set, there is controllable illumination condition；Image is handled and judged by colorimetric identifying unit, so as to draw article colorimetric result, intelligence easy to detect, the subjectivity that laboratory technician can be avoided to be brought by organoleptic detection is random, and accuracy of measurement is high.

Description

Colorimetric device

Technical field

Laboratory Instruments equipment technical field is the utility model is related to, more particularly to a kind of colorimetric device.

Background technology

Passed through in chemical experiment and determine that the color of chemical reagent or shade problem, colorimetric device are normal frequently with color board It is colorimetric pipe holder, but when carrying out lucifuge darkroom colorimetric analysis, it is necessary to be placed in addition in light protected environment, Huo Zhetao Upper black cloth, it is very inconvenient.Some colorimetric contrastive colours need reference colour to be compared, such as：The comparison of colourity, dark-coloured comparison Deng.Need to take standard liquid to carry out color matching comparison in addition, it is very cumbersome.

Chemical reagent color in test tube would generally be influenceed by factors such as illumination conditions, it is necessary to will be carried during colorimetric Unify illumination condition, and the fixed position of stable arrangement test tube and its relative position with color board for preferable.

The result of colorimetric generally contrasts colorimetric card by laboratory technician and carries out subjective appreciation, thus it is subjective random stronger, also deposit Take time and effort the problem of.

Utility model content

In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of colorimetric device, is used for Solving colorimetric device in the prior art, operate inconvenient, standard liquid color matching comparison when carrying out lucifuge darkroom colorimetric analysis numerous The problem of trivial, illumination condition is difficult to control and the result judgement of colorimetric is inaccurate.

To achieve the above object, the utility model provides a kind of colorimetric device, and the colorimetric device includes：Camera bellows, test tube Frame, color board, light source cell, image acquisition units and colorimetric identifying unit, the rack for test tube and color board are arranged at described In camera bellows, neck is provided between the rack for test tube and the camera bellows inside, the color board is located in the neck；It is described dark The side relative with the rack for test tube is provided with the light source cell and described image collecting unit in case, and described image collection is single It is first to be connected with the colorimetric identifying unit.

In an embodiment of the present utility model, colorimetric identifying unit includes image procossing comparing module, image typing Module, color of image characteristic extracting module and Colorimetric results output module, described image recording module, described image color characteristic Extraction module and the Colorimetric results output module are connected with described image processing comparing module.

In an embodiment of the present utility model, described image collecting unit is a camera, and the camera is set At the center of the light source cell, and face the sample on the color board and the rack for test tube.

In an embodiment of the present utility model, the light source cell includes LED and diffusing reflection outer cover, the LED Lamp is connected with brightness regulator.

In an embodiment of the present utility model, the rack for test tube includes horizontally disposed upper backup pad and lower support Test tube hole clipping is equipped with plate, the upper backup pad and the lower supporting plate, and the test tube hole clipping corresponds up and down；It is described The radius of test tube hole clipping on upper backup pad is more than test tube radius, and the radius of the test tube hole clipping on the lower supporting plate is less than test tube Radius.

In an embodiment of the present utility model, the upper backup pad and the lower supporting plate are movably installed in described The madial wall of camera bellows.

In an embodiment of the present utility model, the color on the color board changes according to left and right directions, the ratio It is the axially symmetric structure using the color board as axle at left and right sides of colour table.

As described above, colorimetric device of the present utility model, has the advantages that：

The 1st, camera bellows is set, it is convenient to carry out lucifuge darkroom colorimetric analysis；

The 2nd, neck is set in camera bellows, color board is set in neck, avoids the cumbersome of preparing standard solution；

The 3rd, light source cell is set, there is controllable illumination condition；

4th, the image of sample and color board is obtained by image acquisition units, image information then is transferred into colorimetric judges Unit, colorimetric identifying unit are handled and judged to image, so as to draw article colorimetric result, intelligence easy to detect, can be kept away It is random to exempt from the subjectivity that laboratory technician is brought by organoleptic detection, accuracy of measurement height.

Brief description of the drawings

Fig. 1 is perspective structure schematic diagram of the utility model colorimetric device in an embodiment.

Fig. 2 is module annexation signal of the colorimetric identifying unit of the utility model colorimetric device in an embodiment Figure.

Component label instructions

1 camera bellows

2 rack for test tubes

21 upper backup pads

22 lower supporting plates

3 color boards

4 light source cells

5 image acquisition units

6 colorimetric identifying units

7 necks

8 test tube hole clippings

Embodiment

Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this Content disclosed by specification understands other advantages and effect of the present utility model easily.

Fig. 1 is referred to Fig. 2.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to Coordinate the content disclosed in specification, so that those skilled in the art understands and reads, be not limited to the utility model Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size Adjustment, in the case where not influenceing the effect of the utility model can be generated and the purpose that can reach, all should still fall in the utility model In the range of disclosed technology contents can be covered.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", The term of " centre " and " one " etc., understanding for narration is merely convenient to, and is not used to limit the enforceable scope of the utility model, Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.

Referring to Fig. 1, the utility model provides a kind of colorimetric device, the colorimetric device includes：Camera bellows 1, rack for test tube 2, Color board 3, light source cell 4, image acquisition units 5 and colorimetric identifying unit 6, the rack for test tube 2 and color board 3 are arranged at institute State in camera bellows 1, neck 7 is provided between rack for test tube 2 and the camera bellows 1 inside, the color board 3 is located at the neck 7 It is interior；The side relative with the rack for test tube 2 is provided with the light source cell 4 and described image collecting unit 5 in the camera bellows 1, Described image collecting unit 5 is connected with the colorimetric identifying unit 6.

As an example, the camera bellows 1 uses aluminium sheet material, blacking on aluminium sheet.

Specifically, referring to Fig. 2, colorimetric identifying unit 6 includes image procossing comparing module, image recording module, image Color feature extracted module and Colorimetric results output module, described image recording module, described image color feature extracted module It is connected with the Colorimetric results output module with described image processing comparing module.Image recording module is by image acquisition units The 5 such as samples of video camera shooting and the image of color board 3 carry out typing, and image procossing comparing module is that the image of typing is carried out Processing is to meet the requirement of color feature extracted, and then color of image characteristic extracting module is special to the color of sample and color board 3 Sign is extracted, and according to the Color characteristics parameters of extraction, image procossing comparing module is carried out to the color of sample and color board 3 again Contrast judgement, color sample is drawn, export final result finally by Colorimetric results output module.

As an example, described image collecting unit 5 is a camera, the camera is arranged on the light source cell 4 Center, and face the sample on the color board 3 and the rack for test tube 2.So light source energy uniform illumination sample and color board 3, improve the degree of accuracy of measurement.

As an example, the light source cell 4 includes LED and diffusing reflection outer cover, and the LED is connected with brightness regulation Device (not shown), according to measure the brightness to light source can be needed to be adjusted.

As an example, the rack for test tube 2 includes horizontally disposed upper backup pad 21 and lower supporting plate 22, the upper backup pad 21 and the lower supporting plate 22 on be equipped with test tube hole clipping 8, and the test tube hole clipping corresponds about 8；The upper backup pad The radius of test tube hole clipping 8 on 21 is more than test tube radius, and the radius of the test tube hole clipping 8 on the lower supporting plate 22 is less than test tube half Footpath.So as to ensure that the test tube for containing sample can consolidate safe be positioned on rack for test tube 2.

As an example, the upper backup pad 21 and the lower supporting plate 22 are movably installed in the madial wall of the camera bellows 1. The upper backup pad 21 and the lower supporting plate 22 is are movably arranged, convenient dismounting and replacing.

As an example, the color on the color board 3 changes according to left and right directions, the left and right sides of color board 3 be with The color board 3 is the axially symmetric structure of axle.

In summary, colorimetric device of the present utility model is provided with camera bellows, convenient to carry out lucifuge darkroom colorimetric analysis；Camera bellows Interior setting neck, neck is interior to set color board, avoids the cumbersome of preparing standard solution；Light source cell is set, there is controllable light According to condition；The image of sample and color board is obtained by image acquisition units, image information then is transferred into colorimetric judges list Member, colorimetric identifying unit are handled and judged to image, so as to draw article colorimetric result, intelligence easy to detect, can be avoided The subjectivity that laboratory technician is brought by organoleptic detection is random, and accuracy of measurement is high.

Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.

Claims

1. a kind of colorimetric device, it is characterised in that the colorimetric device includes：Camera bellows, rack for test tube, color board, light source cell, figure As collecting unit and colorimetric identifying unit, the rack for test tube and color board are arranged in the camera bellows, the rack for test tube and institute State and be provided with neck between camera bellows inside, the color board is located in the neck；It is relative with the rack for test tube in the camera bellows Side be provided with the light source cell and described image collecting unit, described image collecting unit and the colorimetric identifying unit Connection.

2. colorimetric device according to claim 1, it is characterised in that the colorimetric identifying unit compares including image procossing Module, image recording module, color of image characteristic extracting module and Colorimetric results output module, described image recording module, institute Color of image characteristic extracting module and the Colorimetric results output module is stated to be connected with described image processing comparing module.

3. colorimetric device according to claim 1, it is characterised in that described image collecting unit is a camera, described Camera is arranged on the center of the light source cell, and faces the sample on the color board and the rack for test tube.

4. colorimetric device according to claim 1, it is characterised in that the light source cell is included outside LED and diffusing reflection Cover, the LED are connected with brightness regulator.

5. colorimetric device according to claim 1, it is characterised in that the rack for test tube includes horizontally disposed upper backup pad And lower supporting plate, it is equipped with test tube hole clipping on the upper backup pad and the lower supporting plate, and the test tube hole clipping is up and down one by one It is corresponding；The radius of test tube hole clipping on the upper backup pad is more than test tube radius, and half of the test tube hole clipping on the lower supporting plate Footpath is less than test tube radius.

6. colorimetric device according to claim 5, it is characterised in that the upper backup pad and the lower supporting plate are movable It is installed on the madial wall of the camera bellows.

7. colorimetric device according to claim 1, it is characterised in that the color on the color board becomes according to left and right directions Change, be the axially symmetric structure using the color board as axle at left and right sides of the color board.