CN114264619A - Automatic detection device and method - Google Patents
Automatic detection device and method Download PDFInfo
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- CN114264619A CN114264619A CN202111557688.XA CN202111557688A CN114264619A CN 114264619 A CN114264619 A CN 114264619A CN 202111557688 A CN202111557688 A CN 202111557688A CN 114264619 A CN114264619 A CN 114264619A
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Abstract
The invention provides an automatic detection device and a method, wherein the automatic detection device comprises a light source and a light receiving unit; further comprising: the conveying belt is arranged on the first guide rail; the first driving unit is used for driving the conveyor belt to move on the guide rail; a plurality of carriers are arranged on the conveyor belt, and optical windows are arranged on the carriers and used for the penetration of exciting light emitted by the light source; the second driving unit is used for driving a light source arranged on the second guide rail, so that excitation light emitted by the light source is focused on a sample carried by the bearing piece; the positioning unit is used for determining the position of the bearing part. The invention has the advantages of good detection efficiency and the like.
Description
Technical Field
The invention relates to sample detection, in particular to an automatic detection device and method.
Background
Conventional laser spectrometer needs the manual work to send the appearance, places the sample that will make on arousing the platform, along with laser autofocus completion alright arouse, need the manual work of many times to send the appearance when arousing polylith sample, and hard time-consuming and human factor cause the influence to the analysis result easily.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an automatic detection device.
The purpose of the invention is realized by the following technical scheme:
the automatic detection device comprises a light source and a light receiving unit; the automatic detection device further comprises:
the conveying belt is arranged on the first guide rail;
the first driving unit is used for driving the conveyor belt to move on the first guide rail;
the optical window is arranged on the bearing piece and used for the penetration of exciting light emitted by the light source;
the second guide rail and the second driving unit are used for driving a light source arranged on the second guide rail, so that excitation light emitted by the light source is focused on a sample carried by the bearing piece;
a positioning unit for determining a position of the carrier.
The invention also aims to provide an automatic detection method, and the invention aims to be realized by the following technical scheme:
an automatic detection method, comprising:
the conveying belt moves on the first guide rail, and a plurality of bearing pieces arranged on the conveying belt respectively bear samples to be tested;
the positioning unit positions the carriers so that the selected carrier is positioned on the upper side of the light source, and the conveyor belt stops moving;
adjusting the position of the light source to enable excitation light emitted by the light source to pass through the optical window of the selected bearing piece and be focused on the sample to be measured on the selected bearing piece;
the part of the sample to be detected is excited to generate plasma, the emergent light of the plasma is received, and the information of the sample to be detected is obtained after analysis
Compared with the prior art, the invention has the beneficial effects that:
1. automatic work;
the conveyor belt moves on the first guide rail, the bearing pieces are positioned by the positioning unit, so that each bearing piece is accurately positioned at the upper side of the light source, and the exciting light emitted by the light source is used for exciting a sample to be detected, thereby realizing automatic detection;
2. the detection result is accurate;
the movement of the conveyor belt or the rotation of the driving bearing piece is utilized, so that the track of the exciting light on the sample to be detected is arc-shaped or straight line, different parts of the sample to be detected are excited, and the detection accuracy is improved.
Drawings
The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are only for illustrating the technical solutions of the present invention and are not intended to limit the scope of the present invention. In the figure:
fig. 1 is a schematic structural diagram of an automatic detection device according to an embodiment of the invention.
Detailed Description
Fig. 1 and the following description depict alternative embodiments of the invention to teach those skilled in the art how to make and reproduce the invention. Some conventional aspects have been simplified or omitted for the purpose of explaining the technical solution of the present invention. Those skilled in the art will appreciate that variations or substitutions from these embodiments will be within the scope of the invention. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. Thus, the present invention is not limited to the following alternative embodiments, but is only limited by the claims and their equivalents.
Example 1:
fig. 1 schematically shows a structural schematic diagram of an automated inspection apparatus according to an embodiment of the present invention, and as shown in fig. 1, the automated inspection apparatus includes:
a light source, a light receiving unit and an analyzing unit, which are all prior art in the field;
a first guide rail 11 and a conveyor belt 21, the conveyor belt 21 being disposed on the first guide rail 11;
a first driving unit for driving the conveyor belt 21 to move, such as linear movement and circular movement, on the first guide rail 11;
a plurality of carriers 31 provided on the conveyor belt 21, and an optical window; the optical window is arranged on the bearing member 31 and is used for the passage of exciting light emitted by the light source;
a second guide rail and a second driving unit, wherein the second driving unit is used for driving a light source arranged on the second guide rail, so that excitation light emitted by the light source is focused on a sample carried by the carrier 31;
a positioning unit for determining the position of the carrier 31 such that the selected carrier 31 is in a specific position, such as the upper side of the light source.
In order to receive light conveniently, further, the second guide rail is disposed obliquely.
In order to make the track of the excitation light on the sample to be measured arc-shaped, further, the first guide rail 11 is circular ring-shaped.
In order to make the track of the exciting light on the sample to be detected be an arc with a smaller radius, further, the automatic detection device further comprises:
a third driving unit for driving the bearing to rotate.
The automatic detection method of the embodiment of the invention comprises the following steps:
the conveyor belt 21 moves on the first guide rail 11, and the plurality of carriers 31 arranged on the conveyor belt 21 respectively carry samples to be measured;
the positioning unit positions the carrier 31 such that the selected carrier 31 is on the upper side of the light source and the conveyor belt 21 stops moving;
adjusting the position of the light source so that the excitation light emitted by the light source passes through the optical window of the selected carrier 31 and is focused on the sample to be measured on the selected carrier 31;
and exciting a part of the sample to be detected to generate plasma, receiving emergent light of the plasma, and analyzing to obtain information of the sample to be detected.
To improve the detection accuracy, further, the conveyor belt 21 is moved so that the excitation light excites different portions of the sample to be measured.
In order to conveniently receive light, the light source is arranged on an inclined second guide rail and driven to translate up and down along the second guide rail; the excitation light is obliquely incident on the sample to be measured.
In order to improve the detection accuracy, the side of the sample to be detected, which is carried by the carrier 31, is further a plane.
In order to make the track of the excitation light on the sample to be measured in an arc shape with a small radius, further, the first guide rail 11 is in a circular ring shape.
In order to make the trajectory of the excitation light on the sample to be measured an arc with a small radius, further, the selected carrier 31 is driven to rotate so that the trajectory of the excitation light on the sample to be measured is an arc.
Example 2:
an application example of the automatic detection device and method according to embodiment 1 of the present invention.
In the present application example, as shown in fig. 1, the first guide rail 11 is circular, and the conveyor belt 21 is driven by the first driving unit to move circumferentially on the first guide rail 11; a plurality of carriers 31 are uniformly arranged on the conveyor belt 21, the carrying surfaces of the carriers 31 are flat surfaces, and the carriers 31 have through holes as optical windows; the positioning unit is used for positioning the carriers 31 so that the carriers 31 are accurately positioned at the upper side of the light source; the light source is arranged on the inclined second guide rail and driven by the second driving unit to move up and down; the third driving unit is used for driving the carrier 31 to rotate.
The automatic detection method of the embodiment of the present invention, that is, the working method of the automatic detection apparatus of the embodiment of the present invention, includes:
the conveyor belt 21 moves circumferentially on the first guide rail 11, a plurality of bearing pieces 31 arranged on the conveyor belt 21 respectively bear samples to be tested, and the side surfaces of the samples to be tested, which are borne by the bearing pieces 31, are planes;
the positioning unit positions the carrier 31 such that the selected carrier 31 is on the upper side of the light source and the conveyor belt 21 stops moving;
driving a light source to move up and down on an inclined second guide rail, so that excitation light emitted by the light source passes through an optical window of the selected bearing member 31 and is focused on a sample to be measured on the selected bearing member 31;
exciting a part of the sample to be detected to generate plasma, and receiving emergent light of the plasma;
the third driving unit drives the selected carrier 31 to rotate so that the trajectory of the excitation light on the sample to be measured is a small arc, and analyzes the light received by the carrier 31 during the rotation, thereby obtaining information of the sample to be measured.
Claims (10)
1. The automatic detection device comprises a light source and a light receiving unit; characterized in that, the automatic detection device further comprises:
the conveying belt is arranged on the first guide rail;
the first driving unit is used for driving the conveyor belt to move on the first guide rail;
the optical window is arranged on the bearing piece and used for the penetration of exciting light emitted by the light source;
the second guide rail and the second driving unit are used for driving a light source arranged on the second guide rail, so that excitation light emitted by the light source is focused on a sample carried by the bearing piece;
a positioning unit for determining a position of the carrier.
2. The automated inspection device of claim 1, wherein the second rail is disposed at an incline.
3. The automated inspection device of claim 1, wherein the first rail is circular in shape.
4. The automated inspection device of claim 1, further comprising:
a third driving unit for driving the bearing to rotate.
5. An automatic detection method, comprising:
the conveying belt moves on the first guide rail, and a plurality of bearing pieces arranged on the conveying belt respectively bear samples to be tested;
the positioning unit positions the carriers so that the selected carrier is positioned on the upper side of the light source, and the conveyor belt stops moving;
adjusting the position of the light source to enable excitation light emitted by the light source to pass through the optical window of the selected bearing piece and be focused on the sample to be measured on the selected bearing piece;
and exciting a part of the sample to be detected to generate plasma, receiving emergent light of the plasma, and analyzing to obtain information of the sample to be detected.
6. The automated detection method of claim 5, wherein the conveyor belt moves such that the excitation light excites different portions of the sample to be tested.
7. The automated inspection method of claim 5, wherein the light source is disposed on a second inclined rail and driven to translate up and down along the second rail; the excitation light is obliquely incident on the sample to be measured.
8. The automated testing method of claim 5, wherein the side of the sample to be tested that is carried by the carrier is planar.
9. The automated inspection method of claim 5, wherein the first rail is circular.
10. The automated detection method of claim 5, wherein the selected carrier is driven to rotate such that the trajectory of the excitation light on the sample to be tested is an arc.
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CN202111557688.XA CN114264619A (en) | 2021-12-20 | 2021-12-20 | Automatic detection device and method |
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CN202111557688.XA CN114264619A (en) | 2021-12-20 | 2021-12-20 | Automatic detection device and method |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102692399A (en) * | 2012-05-25 | 2012-09-26 | 四川大学 | Small multifunctional sample room for LIBS (laser-induced breakdown spectroscopy) |
KR20150051579A (en) * | 2013-11-04 | 2015-05-13 | 주식회사 녹색기술연구소 | Laser induced plazma spectroscopic analyzer |
CN107607521A (en) * | 2017-09-11 | 2018-01-19 | 江西农业大学 | A kind of tealeaves heavy metal analysis device and its detection method |
CN206906249U (en) * | 2017-11-14 | 2018-01-19 | 吉林大学 | A kind of automatic focusing device applied in industrial online LIBS detections |
CN207423810U (en) * | 2017-11-24 | 2018-05-29 | 国麒光电科技(天津)有限公司 | A kind of laser induced breakdown spectrograph for Multi-example detection |
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2021
- 2021-12-20 CN CN202111557688.XA patent/CN114264619A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102692399A (en) * | 2012-05-25 | 2012-09-26 | 四川大学 | Small multifunctional sample room for LIBS (laser-induced breakdown spectroscopy) |
KR20150051579A (en) * | 2013-11-04 | 2015-05-13 | 주식회사 녹색기술연구소 | Laser induced plazma spectroscopic analyzer |
CN107607521A (en) * | 2017-09-11 | 2018-01-19 | 江西农业大学 | A kind of tealeaves heavy metal analysis device and its detection method |
CN206906249U (en) * | 2017-11-14 | 2018-01-19 | 吉林大学 | A kind of automatic focusing device applied in industrial online LIBS detections |
CN207423810U (en) * | 2017-11-24 | 2018-05-29 | 国麒光电科技(天津)有限公司 | A kind of laser induced breakdown spectrograph for Multi-example detection |
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