CN217542778U - Counting device - Google Patents
Counting device Download PDFInfo
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- CN217542778U CN217542778U CN202221179264.4U CN202221179264U CN217542778U CN 217542778 U CN217542778 U CN 217542778U CN 202221179264 U CN202221179264 U CN 202221179264U CN 217542778 U CN217542778 U CN 217542778U
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Abstract
The utility model discloses a counting device, which comprises a shell, a sample placing part, an illuminating part and a picture collecting part; a placing cavity is arranged in the shell; the sample placing part is arranged in the placing cavity and used for placing a sample to be tested; the illumination part is also arranged in the placing cavity and illuminates the sample to be tested; the image acquisition part is arranged in the shell and positioned outside the placing cavity and used for acquiring an amplified image of the sample to be detected. This counting assembly can be based on enlargeing the particulate matter quantity in the image of image recognition technique can automatic, quick, objective statistics sample to be measured, very big reduction count staff's work load, improve count precision and effectiveness.
Description
Technical Field
The utility model relates to an aerosol detects technical field, especially relates to a counting assembly.
Background
In the industries of bacteria, microorganism detection, medicine, health and the like, how to accurately and quickly obtain the number of detected samples is always an important quality detection index. After the collected sample to be detected is cultured under a specific condition or reacts with a specific reagent, whether the sample meets related sanitation and quality standards can be identified by accurately counting generated colonies or particles after reaction. For example, the number of bacterial colonies in 1mL of domestic tap water is required to be kept within 100 according to the sanitary Standard for Drinking Water GB 5746-2006 applied from 2006; the operation method of the filter membrane counting by the potassium iodide method is specified in JJF1815-2020 appendix A of II-level biosafety cabinet calibration specification implemented in 2020.
With the rapid improvement of living standard, people have higher and higher requirements on food safety, environmental quality and the like, so that the detection of total bacteria, microorganisms and the like in related organizations in various places, such as quality control departments, hospitals, food factories and the like, becomes an important pervasive work, and meanwhile, the rapidity, the accuracy and the scientificity of counting methods and instruments are also required, the traditional labor number and counter number are not only low in efficiency, but also easy to make mistakes, and adhesion bacteria are not well subjectively distinguished, so that an intelligent counter is required to assist in completing related works.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
To the problem pointed out in the background art, the utility model provides a counting assembly, it can be automatic, quick, objective statistics particulate matter quantity in the sample image that awaits measuring based on enlarging the image recognition technology, very big work load that has alleviateed the count staff improves count precision and actual effect.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a counting device, include:
a housing having a placement chamber therein;
the sample placing part is arranged in the placing cavity and is used for placing a sample to be tested;
the illumination part is arranged in the placing cavity and illuminates the sample to be tested;
and the image acquisition part is arranged in the shell, is positioned outside the placing cavity and is used for acquiring the amplified image of the sample to be detected.
In some embodiments of the present application, the sample placing portion includes a bracket and a placing platform, the placing platform is disposed on the bracket, the placing platform is used for placing a sample to be tested, and the bracket is disposed in the placing cavity in a manner of being pulled along a horizontal direction.
In some embodiments of the present application, first sliding portions are respectively disposed on left and right side walls of the placing cavity, second sliding portions are respectively disposed on left and right sides of the bracket, and the first sliding portions are slidably connected to the second sliding portions;
the front end of the placing cavity is provided with an opening, and the bracket is horizontally drawn and pulled in a reciprocating manner through the opening.
In some embodiments of the present application, the front end of the bracket is provided with a cover plate, and when the bracket is located in the placing cavity, the cover plate covers the opening.
In some embodiments of this application, it is just right to place the left and right sides wall in chamber uncovered, the cover board with the left and right sides wall of placing the chamber supports and leans on in order to restrict the bracket to place the inboard motion displacement in chamber.
In some embodiments of the present application, the illumination portion includes an illumination light source and a background light source, the illumination light source is located above the bracket and faces the placing table, and the background light source is located below the bracket and faces the placing table.
In some embodiments of the present application, a first adjusting knob and a second adjusting knob are disposed on the housing, the first adjusting knob is used for adjusting the brightness of the illumination light source, and the second adjusting knob is used for adjusting the brightness of the background light source.
In some embodiments of the present application, the image capturing part includes an imaging lens and a camera, the imaging lens is disposed on the top wall of the placing cavity, the illuminating light source is disposed at the bottom of the imaging lens, and the camera is disposed at the side of the imaging lens.
In some embodiments of the present application, a display screen is disposed on the housing.
In some embodiments of the present application, an indicator light for indicating the operating state of the counting device is disposed on the housing.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the counting device disclosed by the application has the advantages that the sample placing part, the illuminating part and the image collecting part are reasonably arranged in the same shell, the structure is compact, and the size is small;
the arrangement of the placing cavity can effectively avoid the interference of natural light, and is beneficial to improving the stability and the precision of the image acquisition part for the sample to be detected;
based on the image amplification automatic identification technology, the high-efficiency and accurate target counting of the sample to be measured is realized through an intelligent image processing algorithm and an automatic target counting algorithm, and the counting error in the traditional manual counting method is effectively avoided.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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 inventive labor.
FIG. 1 is a schematic structural diagram of a counting device according to an embodiment;
FIG. 2 is a schematic view showing a structure in which a sample-placing section is drawn out in the counting apparatus according to the embodiment;
FIG. 3 is a cross-sectional view of a counting device according to an embodiment;
FIG. 4 is a schematic view of the counting device according to the embodiment without the outer case;
FIG. 5 is a schematic workflow diagram of a counting device according to an embodiment;
reference numerals are as follows:
100-shell, 110-placing cavity, 111-left and right side walls of placing cavity, 112-top wall of placing cavity, 113-first sliding part and 120-opening;
200-sample placement section, 210-bracket, 211-second sliding section, 212-cover plate, 220-placement stage;
310-illumination source, 320-background source;
400-image acquisition part, 410-imaging lens, 420-camera;
500-display screen;
600-function keys;
700-an indicator light;
810-a first adjustment knob, 820-a second adjustment knob, 830-a third adjustment knob;
900-main board.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present disclosure may repeat reference numerals and/or reference letters in the various examples for purposes of simplicity and clarity and do not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment discloses a counting device which is used for counting and detecting aerosol particles, bacteria, microorganisms and the like.
In this embodiment, the sample to be measured is taken as an example of a potassium iodide filter membrane, and the counting device is used for detecting the number of aerosol particles attached to the filter membrane.
Referring to fig. 1 to 4, the counting device mainly includes a housing 100, a sample placing unit 200, an illuminating unit, and an image collecting unit 400.
The housing 100 forms the outer contour of the entire device, and the bottom of the inner cavity of the housing 100 is defined by the side walls and the top wall as a separate placing cavity 110.
The sample placing part 200 and the illumination part are both arranged in the placing cavity 110, the sample placing part 200 is used for placing a sample to be tested, and the illumination part is used for illuminating the sample to be tested so as to enable the sample to be tested to achieve the best imaging effect.
The image capturing part 400 is disposed in the housing 100 and is located outside the placing chamber 110, that is, the image capturing part 400 is located in a space region between the top of the placing chamber 110 and the top wall of the housing 100. The image acquisition unit 400 is used to acquire an enlarged image of the sample to be measured.
The main board 900 of the counting device performs edge detection and segmentation of the image according to the relevant algorithm of image processing, processes the gray level, threshold value and feature of the image and outputs the image, and then performs image recognition and counting by using the relevant counting algorithm, thereby obtaining the counting detection of the sample to be detected.
The counting device is provided with the sample placing part 200, the illuminating part and the image collecting part 400 which are reasonably arranged in the same shell, and has compact structure and small volume;
the arrangement of the placing cavity 110 can effectively avoid the interference of natural light, and is beneficial to improving the stability and the precision of the image acquisition of the sample to be detected by the image acquisition part 400;
based on the image amplification automatic identification technology, the high-efficiency and accurate target counting of the sample to be measured is realized through an intelligent image processing algorithm and an automatic target counting algorithm, and the counting error in the traditional manual counting method is effectively avoided.
In some embodiments of the present application, the sample placing part 200 includes a bracket 210 and a placing stage 220, the placing stage 220 is disposed on the bracket 210, the placing stage 220 is used for placing a sample to be tested, and the bracket 210 is disposed in the placing cavity 110 in a horizontally drawn manner.
The front end of the placing cavity 110 is provided with an opening 120, and the bracket 210 is horizontally drawn back and forth through the opening 120.
When placing the sample that awaits measuring, take out bracket 210 from placing the chamber 110 in, place the sample that awaits measuring and place on placing platform 220, again with bracket 210 push place the chamber 110 in can.
The whole counting device only has the bracket 210 as a movable part, so that the sample to be detected can be conveniently placed and taken, the operation and the cleaning maintenance are convenient, and the failure rate is low.
In some embodiments of the present application, the left and right sidewalls 111 of the placing cavity 110 are respectively provided with a first sliding portion 113, the left and right sides of the bracket 210 are respectively provided with a second sliding portion 211, and the first sliding portion 113 and the second sliding portion 211 are slidably connected to improve the drawing stability of the bracket 210.
In one embodiment, the first sliding portion 113 has a convex strip structure, and the second sliding portion 211 has a sliding slot structure.
In some embodiments of the present application, the front end of the bracket 210 is provided with the cover plate 212, when the bracket 210 is located in the placing cavity 110, the cover plate 212 shields the opening 120, and at this time, the placing cavity 110 is in a completely closed state, so as to avoid that the external natural light shines into the placing cavity 110 through the opening 120 and affects the image collecting effect of the image collecting part 400.
In some embodiments of the present application, the left and right sidewalls 111 of the placing cavity 110 are opposite to the opening 120, that is, the length of the front opening of the placing cavity 110 is smaller than the length of the opening 120, and the cover plate 212 abuts against the left and right sidewalls 111 of the placing cavity to limit the movement and displacement of the bracket 210 toward the inside of the placing cavity 110.
The cover plate 212 serves both to shield light and to limit movement.
In some embodiments of the present application, the illumination portion includes an illumination light source 310 and a background light source 320, the illumination light source 310 is located above the bracket 210 and faces the placing table 220, and the background light source 320 is located below the bracket 210 and faces the placing table 220.
The brightness of the illumination light source 310 and the brightness of the background light source 320 are reasonably adjusted, so that the sample to be detected can achieve the optimal imaging effect.
In some embodiments of the present application, a first adjusting knob 810 and a second adjusting knob 820 are disposed on the housing 100, the first adjusting knob 810 is used for manually adjusting the brightness of the illumination light source 310, and the second adjusting knob 820 is used for manually adjusting the brightness of the background light source 320, so as to facilitate the operation.
In some embodiments of the present application, the image capturing part 400 includes an imaging lens 410 and a camera 420 (e.g., a CCD industrial camera), the imaging lens 410 is disposed on the top wall 112 of the placing chamber, the illumination source 310 is disposed at the bottom of the imaging lens 410, and the camera 420 is disposed at the side of the imaging lens 410.
The sample to be measured is subjected to image acquisition through the imaging lens 410 and the camera 420, and the acquired image is uploaded to the main board 900 for subsequent image processing and counting analysis.
The housing 100 is provided with a third adjustment knob 830 for manually adjusting the focal length.
In some embodiments of the present application, a display screen 500 is disposed on the casing 100, and the display screen 500 may display an image acquired by the camera 420 in real time.
In some embodiments, the housing 100 is provided with an indicator 700 for indicating the operation status of the counting device.
In one embodiment, the indicator light 700 has three indicator lights, which respectively display different colors to represent different operating states of the counting device, for example, the indicator light 700 respectively displays red, yellow and green, the red represents that the counting device is out of order, the yellow represents that the counting device is in a standby state, and the green represents that the counting device is in a normal operating state.
In some embodiments of the present application, the housing 100 is further provided with a function key 600 for performing function menu selection, sample parameter setting, light source brightness adjustment, and the like.
Fig. 5 is a flowchart illustrating the operation of the counting device, which is as follows:
1. placing a sample to be tested on the placing table 220, and pushing the bracket 210 into the placing cavity 110;
2. setting parameter information of a sample to be detected, such as sample type, detection time and the like;
3. sample image acquisition and processing
3.1, adjusting the illumination light source 310 and the background light source 320 to achieve the optimal imaging effect;
3.2, acquiring an amplified image of the sample to be detected by a camera 420;
3.3, carrying out edge detection and segmentation on the image by using a correlation algorithm of image processing, processing the gray level, the threshold value and the characteristics of the image and outputting the image;
4. performing image identification counting by using a related counting algorithm, and if the image does not support the operation of the counting algorithm, performing image adjustment again;
5. and finishing counting and outputting detection information.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A counting device, comprising:
a housing having a placement chamber therein;
the sample placing part is arranged in the placing cavity and is used for placing a sample to be tested;
the illumination part is arranged in the placing cavity and illuminates a sample to be tested;
and the image acquisition part is arranged in the shell, is positioned outside the placing cavity and is used for acquiring an amplified image of the sample to be detected.
2. Counting device according to claim 1,
the sample placing part comprises a bracket and a placing platform, the placing platform is arranged on the bracket and used for placing a sample to be tested, and the bracket is arranged in the placing cavity in a drawing mode along the horizontal direction.
3. Counting device according to claim 2,
the left side wall and the right side wall of the placing cavity are respectively provided with a first sliding part, the left side wall and the right side wall of the bracket are respectively provided with a second sliding part, and the first sliding parts are in sliding connection with the second sliding parts;
the front end of the placing cavity is provided with an opening, and the bracket is horizontally drawn and pulled in a reciprocating manner through the opening.
4. Counting device according to claim 3,
the front end of the bracket is provided with a cover plate, and when the bracket is positioned in the placing cavity, the cover plate shields the opening.
5. Counting device according to claim 4,
the left side wall and the right side wall of the placing cavity are opposite to the opening, and the cover plate is abutted against the left side wall and the right side wall of the placing cavity to limit the bracket to move and displace towards the inner side of the placing cavity.
6. Counting device according to claim 2,
the illumination part comprises an illumination light source and a background light source, the illumination light source is positioned above the bracket and is opposite to the placing table, and the background light source is positioned below the bracket and is opposite to the placing table.
7. Counting device according to claim 6,
the shell is provided with a first adjusting knob and a second adjusting knob, the first adjusting knob is used for adjusting the brightness of the illumination light source, and the second adjusting knob is used for adjusting the brightness of the background light source.
8. Counting device according to claim 6,
the image acquisition part comprises an imaging lens and a camera, the imaging lens is arranged on the top wall of the placing cavity, the illuminating light source is arranged at the bottom of the imaging lens, and the camera is arranged at the side part of the imaging lens.
9. Counting device according to one of claims 1 to 8,
and a display screen is arranged on the shell.
10. Counting device according to one of claims 1 to 8,
and the shell is provided with an indicator light for indicating the working state of the counting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221179264.4U CN217542778U (en) | 2022-05-17 | 2022-05-17 | Counting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221179264.4U CN217542778U (en) | 2022-05-17 | 2022-05-17 | Counting device |
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| Publication Number | Publication Date |
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| CN217542778U true CN217542778U (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221179264.4U Active CN217542778U (en) | 2022-05-17 | 2022-05-17 | Counting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183471A (en) * | 2022-12-23 | 2023-05-30 | 中国矿业大学 | Automatic identification method and device for particulate matters in mine water containing coal slime |
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2022
- 2022-05-17 CN CN202221179264.4U patent/CN217542778U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183471A (en) * | 2022-12-23 | 2023-05-30 | 中国矿业大学 | Automatic identification method and device for particulate matters in mine water containing coal slime |
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