CN105675620A - Method for detecting liquid level foreign matter on product packed through plastic bottle or erectable bag - Google Patents
Method for detecting liquid level foreign matter on product packed through plastic bottle or erectable bag Download PDFInfo
- Publication number
- CN105675620A CN105675620A CN201610086136.8A CN201610086136A CN105675620A CN 105675620 A CN105675620 A CN 105675620A CN 201610086136 A CN201610086136 A CN 201610086136A CN 105675620 A CN105675620 A CN 105675620A
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- Prior art keywords
- plastic bottle
- liquid level
- bag
- maybe
- found
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920003023 plastic Polymers 0.000 title claims abstract description 50
- 239000004033 plastic Substances 0.000 title claims abstract description 50
- 239000007788 liquid Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 description 4
- 241001522296 Erithacus rubecula Species 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000012263 liquid product Substances 0.000 description 3
- 238000012827 research and development Methods 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9081—Inspection especially designed for plastic containers, e.g. preforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a method for detecting liquid level foreign matter on a product packed through a plastic bottle or an erectable bag, and mainly solves the problems that in the prior art, for an existing method for detecting the liquid level foreign matter on the product packed through the plastic bottle or the erectable bag, transparent foreign matter with smaller density cannot be detected in the high-speed rotation process, in a static method, a blind area exists, and false detection or missing detection is prone to occur. According to the method, the plastic bottle or the erectable bag is rotated, liquid and the foreign matter together move, and the purposes of conducting detecting and eliminating the blind area are achieved; then rotation is stopped, standing is conducted for a certain period of time in order to slowly stabilize liquid level, the standing time is proper, the liquid level is more stable, the foreign matter still moves, at the moment, a picture of the plastic bottle or the erectable bag is collected through a camera, and the plastic bottle or the erectable bag containing the foreign matter is detected out finally through tracking algorithm processing. In this way, the purpose of precisely and rapidly detecting out the foreign matter is achieved.
Description
Technical field
The present invention relates to lamp inspection machine detection technique field, specifically, relate to a kind of plastic bottle and maybe can found a bag detection method for liquid level foreign body.
Background technology
In actual production process, plastic bottle maybe can found in bag liquid product the foreign body that there may be some density less and swim in liquid surface, in order to reach desirable Detection results, improving the quality of product, level detection is that plastic bottle maybe can found the requisite one procedure of bag liquid Product checking; In the industry being currently engaged in automatic checkout equipment research and development, method currently for level detection mainly has high-speed rotary robin, static detection etc., but the problem that these methods effectively thoroughly solve the detection accuracy of liquid level foreign body all without way, wherein, high-speed rotary robin cannot detect for the transparent class foreign body that density is only small, and static rule is easily by the interference of liquid fluctuating, there is bigger blind area, very big probability is had to cause flase drop or missing inspection, reduce the work efficiency of foreign bodies detection, affect the yield of product; There is no at present and solve the detection method that the problems referred to above are comparatively perfect; We need to find new plastic bottle maybe can found the detection method of bag liquid liquid level foreign body, and the present invention is namely based on the research and development of these theories.
Summary of the invention
The problem to be solved in the present invention is that existing plastic bottle maybe can stand in bag detection method of liquid level foreign body; High-speed rotary robin cannot detect the transparent class foreign body that density is only small; There is bigger blind area and flase drop or missing inspection easily occur in static method.
In order to solve the problems referred to above, the present invention provides following technical scheme:
Plastic bottle maybe can found a bag detection method for liquid level foreign body and comprise the following steps:
A () will be equipped with the plastic bottle of fluid product and maybe can found bag and rotate to liquid level with foreign body associated movement, its rotary rpm range for 50-1500rad/min, rotational time is at least 1s;
B the plastic bottle of () step (a) maybe can stand after bag stops the rotation, it is steady that static at least 0.2s makes plastic bottle maybe can found the liquid level in bag, and liquid level foreign body is when continuing motion; Plastic bottle maybe can stand a bag irradiation LED lamp source, and LED lamp source replaces stroboscopic, and the plastic bottle that camera continuous acquisition is more than 3 maybe can found the photo of bag;
C all photos in () step (b) are tracked algorithm process, detect that the plastic bottle that there is foreign body maybe can found bag.
Specifically, in step (b) camera and liquid level imaging angle range for 15 °-75 °.
Specifically, in step (b), the quantity of camera is at least one.
Specifically, LED lamp source irradiated plastics is bottled maybe can found any one during bag can adopt top irradiation, side-irradiation, bottom to irradiate.
Compared with prior art, the method have the advantages that the bottled bag that maybe can stand of rotary plastic is to allow foreign body rotate, to reach tracing detection and the purpose of energy dead zone-eliminating, static is to allow liquid level steadily get off, foreign body continues motion, it is to avoid tracing detection is formed interference by liquid level; LED lamp source replaces stroboscopic collected by camera backlight photo, is processed by track algorithm, detects that the plastic bottle that there is foreign body maybe can found bag accurately; Camera ranges for 15 °-75 ° with liquid level imaging angle; Make the photo of the apparent complete collection liquid level of phase function.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
It is plastic bottle maybe can stand bag rotation make liquid and foreign body associated movement that plastic bottle maybe can found a bag detection method for liquid level foreign body, to reach the purpose of tracing detection and dead zone-eliminating; Then turn off rotation, the duration of static 1-3s, static is to allow liquid level slowly steadily get off, static time length is more suitable, liquid level relatively steadily and foreign body still in motion, maybe can found the photo of bag now by collected by camera plastic bottle, last track algorithm processes, and detects that the plastic bottle that there is foreign body maybe can found bag; Specifically comprise the following steps that
1.1 plastic bottles that will be equipped with fluid product maybe can found bag and rotate to liquid level with foreign body associated movement, its rotary rpm range for 50-1500rad/min, rotational time is at least 1s; Optimized rotating speed range for 200-300rad/min;
The plastic bottle of 1.2 steps 1.1 maybe can stand after bag stops the rotation, and it is steady that static at least 0.2s makes plastic bottle maybe can found the liquid level in bag, and liquid level foreign body is when continuing motion; Plastic bottle maybe can stand a bag irradiation LED lamp source, and LED lamp source replaces stroboscopic, and the plastic bottle that camera continuous acquisition is more than 3 maybe can found the photo of bag;
All photos in 1.3 steps 1.2 are tracked algorithm process, detect that the plastic bottle that there is foreign body maybe can found bag.
Wherein, in step 1.1 plastic bottle maybe can stand bag rotate time be at least 1s, actual mechanical process is generally 2-3s, the concrete time is determined according to time operation situation; In step 1.2, camera and liquid level imaging angle ranges for 15 °-75 °; Optimized scope is 30 °-60 °; LED lamp source irradiated plastics is bottled maybe can found any one during bag can adopt top irradiation, side-irradiation, bottom to irradiate; It is typically chosen side-irradiation, it is possible to use illuminator; Camera is at least one, and particular number can be determined according to practical situation.
Complete step 1.1-1.3 and then complete plastic bottle maybe can be stood a bag detection for liquid level foreign body, the photo obtained can be processed by track algorithm in processor, detect that the plastic bottle that there is foreign body maybe can found bag.
In the present invention, the bottled bag that maybe can stand of rotary plastic is to allow foreign body rotate, and to reach tracing detection and the purpose of energy dead zone-eliminating, static is to allow liquid level steadily get off, and foreign body continues motion, it is to avoid tracing detection is formed interference by liquid level;LED lamp source replaces stroboscopic collected by camera photo, is processed by track algorithm, detects that the plastic bottle that there is foreign body maybe can found bag accurately; Camera ranges for 15 °-75 ° with liquid level imaging angle; Make the photo of the apparent complete collection liquid level of phase function.
The present invention is suitable for a lot of aspect, as the multiple plastic bottles such as drinks, beverage and infusion solutions maybe can found the liquid level foreign bodies detection of bag liquid product; It is also possible to extend to wider array of suitable application area in the future; And the present invention easily realizes and Detection accuracy high, the scope of application is very wide, meets the demand of 21 century industrial development.
According to above-described embodiment, the present invention just can be realized well. What deserves to be explained is; under premise based on said structure design, for solving same technical problem, even if some making in the present invention are without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it should also be as in protection scope of the present invention.
Claims (4)
1. a plastic bottle maybe can found a bag detection method for liquid level foreign body, it is characterised in that comprises the following steps:
A () will be equipped with the plastic bottle of fluid product and maybe can found bag and rotate to liquid level with foreign body associated movement, its rotary rpm range for 50-1500rad/min, rotational time is at least 1s;
B the plastic bottle of () step (a) maybe can stand after bag stops the rotation, it is steady that static at least 0.2s makes plastic bottle maybe can found the liquid level in bag, and liquid level foreign body is when continuing motion; Plastic bottle maybe can stand a bag irradiation LED lamp source, and LED lamp source replaces stroboscopic, and the plastic bottle that camera continuous acquisition is more than 3 maybe can found the photo of bag;
C all photos in () step (b) are tracked algorithm process, detect that the plastic bottle that there is foreign body maybe can found bag.
2. plastic bottle according to claim 1 maybe can found a bag detection method for liquid level foreign body, it is characterised in that: in step (b), camera and liquid level imaging angle ranges for 15 °-75 °.
3. plastic bottle according to claim 1 maybe can found a bag detection method for liquid level foreign body, it is characterised in that: in step (b), the quantity of camera is at least one.
4. plastic bottle according to claim 2 maybe can found a bag detection method for liquid level foreign body, it is characterised in that: LED lamp source irradiated plastics is bottled maybe can found any one during bag can adopt top irradiation, side-irradiation, bottom to irradiate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086136.8A CN105675620B (en) | 2016-02-15 | 2016-02-15 | Plastic bottle can found a bag detection method for liquid level foreign matter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610086136.8A CN105675620B (en) | 2016-02-15 | 2016-02-15 | Plastic bottle can found a bag detection method for liquid level foreign matter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105675620A true CN105675620A (en) | 2016-06-15 |
| CN105675620B CN105675620B (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610086136.8A Active CN105675620B (en) | 2016-02-15 | 2016-02-15 | Plastic bottle can found a bag detection method for liquid level foreign matter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960058A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag heavy foreign matter detection method and light inspection machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693884A (en) * | 2004-05-09 | 2005-11-09 | 刘巨昌 | Automatic detection method for foreign body in bottled liquid |
| CN201053954Y (en) * | 2007-05-15 | 2008-04-30 | 广州市万世德包装机械有限公司 | High speed movement empty glass bottle transparent foreign matter detection device |
| CN103575745A (en) * | 2012-08-07 | 2014-02-12 | 赵锋 | Device for detecting foreign matters in bottle body |
| CN203758930U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Bottle body detection device for lamp inspection machine |
-
2016
- 2016-02-15 CN CN201610086136.8A patent/CN105675620B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693884A (en) * | 2004-05-09 | 2005-11-09 | 刘巨昌 | Automatic detection method for foreign body in bottled liquid |
| CN201053954Y (en) * | 2007-05-15 | 2008-04-30 | 广州市万世德包装机械有限公司 | High speed movement empty glass bottle transparent foreign matter detection device |
| CN103575745A (en) * | 2012-08-07 | 2014-02-12 | 赵锋 | Device for detecting foreign matters in bottle body |
| CN203758930U (en) * | 2013-12-28 | 2014-08-06 | 楚天科技股份有限公司 | Bottle body detection device for lamp inspection machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960058A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag heavy foreign matter detection method and light inspection machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105675620B (en) | 2019-09-24 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Detection method of liquid level foreign matter in plastic bottle or vertical bag Effective date of registration: 20210622 Granted publication date: 20190924 Pledgee: The financing of small and medium-sized enterprises of Chengdu Shudu Company limited by guarantee Pledgor: CHENGDU HONGRUI TECHNOLOGY Co.,Ltd. Registration number: Y2021510000122 |
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Date of cancellation: 20220714 Granted publication date: 20190924 Pledgee: The financing of small and medium-sized enterprises of Chengdu Shudu Company limited by guarantee Pledgor: CHENGDU HONGRUI TECHNOLOGY Co.,Ltd. Registration number: Y2021510000122 |
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Denomination of invention: Detection method for foreign matters on the liquid surface of plastic bottles or vertical bags Effective date of registration: 20221129 Granted publication date: 20190924 Pledgee: The financing of small and medium-sized enterprises of Chengdu Shudu Company limited by guarantee Pledgor: CHENGDU HONGRUI TECHNOLOGY Co.,Ltd. Registration number: Y2022510000315 |
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Date of cancellation: 20231219 Granted publication date: 20190924 Pledgee: The financing of small and medium-sized enterprises of Chengdu Shudu Company limited by guarantee Pledgor: CHENGDU HONGRUI TECHNOLOGY Co.,Ltd. Registration number: Y2022510000315 |
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