CN109188554B - Cosmetic packaging quality detection system and detection method - Google Patents
Cosmetic packaging quality detection system and detection method Download PDFInfo
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- CN109188554B CN109188554B CN201810918210.7A CN201810918210A CN109188554B CN 109188554 B CN109188554 B CN 109188554B CN 201810918210 A CN201810918210 A CN 201810918210A CN 109188554 B CN109188554 B CN 109188554B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/14—Detecting, e.g. by using light barriers using one transmitter and one receiver using reflectors
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Abstract
A cosmetic packaging quality detection system and a detection method thereof, wherein a frame comprises a frame support and a frame upper part; a transfer passage provided on the frame support; the conveying belt is arranged on the conveying channel and used for placing the filled cosmetics to be detected; the terahertz wave generator is arranged at the upper part of the frame and is used for emitting terahertz waves to the cosmetic package to be detected; a metal belt disposed on the transport belt; the cosmetics to be detected are arranged on the metal belt; the terahertz wave sensor is arranged at the upper part of the frame and is used for detecting the intensity of the terahertz waves reflected by the cosmetic package; and the signal processing system receives the detection signal of the terahertz wave sensor, and judges that the cosmetic package has a quality problem when the intensity of the detection signal is greater than a threshold value.
Description
Technical Field
The invention relates to an optical detection device in the field of G01V8/00, in particular to an optical detection device using a transmitter and a receiver in G01V 8/12.
Background
The desire for beauty is the nature of the human being, and cosmetics are also the inevitable products of human development. With the progress of society and the change of concept of people, the demand of cosmetics is also increased. The cosmetic packaging container is rich in variety and mainly comprises a hose, a can, a cover, a bottle, lipstick, mascara, a powder box, a brush and accessories. The materials used are also quite extensive, mainly including high molecular materials, metal materials and inorganic materials.
The manufacturing process of cosmetics comprises a series of assembly line processes of preparation, storage, filling, sealing, packaging, trademark pasting, code printing, wrapping, bundling and the like, and the packaging is increasingly valued by cosmetic production enterprises and consumers as an important process of cosmetic production and processing. On cosmetic production and packaging line work, the condition that empty bottles, empty tubes or empty cans are packaged into boxes frequently occurs, so that unqualified products flow into the market, the rights and interests of consumers are seriously influenced, and negative influences are caused to enterprises.
Therefore, during the package inspection process, products with unqualified packages and empty packages generally need to be rejected. Usually, the work with high repeatability and intelligence can only be completed by manual detection, hundreds of detection workers are often seen behind the modernized production line of some factories to perform the process, and the inspection qualification rate of 100 percent cannot be guaranteed while huge labor cost and management cost are added to the factories.
In the prior art, cosmetic packaging detection is mainly finished in a machine vision detection mode, images of packaged cosmetics are collected, machine identification is carried out on the collected images, and whether empty packaging exists or not is judged. However, for opaque or labeled cosmetic packages, machine vision methods are not capable of detection.
Disclosure of Invention
The invention provides a cosmetic quality detection system, which is used for detecting a filled cosmetic package and can determine whether the package is an empty package even if the package is not transparent or is labeled.
As one aspect of the present invention, there is provided a cosmetic quality detection system including: the frame comprises a frame support arranged at the bottom and a frame upper part; a transfer channel disposed on the frame support; the conveying belt is arranged on the conveying channel and used for placing the filled cosmetics to be detected; the terahertz wave generator is arranged at the upper part of the frame and is used for emitting terahertz waves to the cosmetic package to be detected; a metal belt disposed on the transport belt; the cosmetics to be detected are arranged on the metal belt; the terahertz wave sensor is arranged at the upper part of the frame and is used for detecting the intensity of the terahertz waves reflected by the cosmetic package; and the signal processing system receives the detection signal of the terahertz wave sensor, and judges that the cosmetic package has a quality problem when the intensity of the detection signal is greater than a threshold value.
Preferably, the cosmetic quality detection system is used for detecting filled cosmetic packages.
Preferably, the quality issue is that the cosmetic package is an empty bottle, tube or can.
Preferably, the cosmetics comprise perfume, shampoo, shower gel, facial cleanser, toner, mask and the like.
Preferably, the threshold value is predetermined according to a standard sample of the cosmetic package to be tested.
Preferably, the terahertz-wave generator is incident to the cosmetic to be detected at a specific angle.
Preferably, the specific angle is about 70 to 85 degrees.
Preferably, the terahertz wave sensor is disposed on a reflected light path of the terahertz wave.
Preferably, the terahertz wave generator is a backward wave tube, a terahertz parametric oscillator, a terahertz laser or the like.
Preferably, the cosmetic is a liquid cosmetic comprising water.
Preferably, the packaging material comprises glass, ceramic, plastic or paper.
Preferably, the packaging material does not contain metal.
Preferably, the package is a non-transparent or at least partially non-transparent package.
Preferably, the thickness of the metal strip is 5-10 mm.
As another aspect of the present invention, there is provided a method for detecting the cosmetic quality detection system, comprising the steps of: (1) the standard empty package cosmetics are arranged at a designated position, and a terahertz wave generator emits terahertz waves with standard emission intensity to irradiate the standard empty package; (2) the terahertz wave sensor detects the intensity of the reflected terahertz waves and sends the intensity to the signal processing system; (3) the signal processing system determines a detection threshold value of the cosmetic package according to the detection data of the terahertz wave sensor; (4) inputting the filled cosmetics into a cosmetic quality detection system through a conveying belt of a conveying channel; (5) after the cosmetics reach the designated position, sending terahertz waves to a cosmetic package to be detected through a terahertz wave generator; (6) detecting the intensity of the reflected terahertz waves through a terahertz wave sensor, and sending the intensity of the reflected terahertz waves to a signal processing system; (7) and the signal processing system receives the detection signal of the terahertz wave sensor, and judges that the cosmetic package has a quality problem when the intensity of the detection signal is greater than a detection threshold value.
Drawings
Fig. 1 is a schematic structural view of a cosmetic quality detection system according to an embodiment of the present invention.
Detailed Description
In order to more clearly illustrate the technical solutions of the present invention, the present invention will be briefly described below by using embodiments, and it is obvious that the following description is only one embodiment of the present invention, and for those skilled in the art, other technical solutions can be obtained according to the embodiments without inventive labor, and also fall within the disclosure of the present invention.
The cosmetic quality detection system provided by the embodiment of the invention is used for detecting cosmetic packages, wherein the cosmetics are liquid cosmetics containing water, such as perfume, shampoo, shower gel, facial cleanser, toner, facial mask and the like. Referring to fig. 1, the makeup quality detecting system includes a frame 10, a transfer passage 20, a transfer belt 30, a terahertz-wave generator 40, a terahertz-wave sensor 50, and a signal processing system (not shown).
The frame 10 is used for providing a main structure and a support of the cosmetic quality detection system, and includes a frame support 11 disposed at the bottom and a frame upper portion 12 disposed at the upper side, and a universal wheel may be disposed on the frame support 11 as required.
The conveying channel 20 is arranged on the frame support 11 and can be communicated with other conveying channels of the production line, and the cosmetic processed in the previous process, such as packed cosmetic, enters the conveying channel 20 of the cosmetic quality detection system.
A transfer belt 30 disposed on the transfer passage 20 for placing packaged cosmetics 60 to be tested. The package of the cosmetic product 60 may be a tube package, a bottle package, a bag package, or a can package, and the packaging material may be a packaging material excluding metal, such as glass, ceramic, plastic, or paper. The transfer belt 30 may be driven to travel along the transfer path using, for example, a stepper motor. The metal belt 31 is arranged on the transmission belt 30 and can reflect the terahertz waves, the metal belt 31 is made of a material with a reflectivity close to 1 for the terahertz waves, gold, silver, copper or aluminum can be used, and the thickness of the metal belt 31 can be 5-10 mm.
And a terahertz-wave generator 40 provided at the upper frame portion 12 of the frame 10 for emitting terahertz waves toward the cosmetic 60 to be detected after the cosmetic 60 to be detected reaches a designated position. The terahertz wave generator 40 may employ a backward wave tube, a terahertz parametric oscillator, or a terahertz laser, and emits terahertz waves at a specific angle having a certain inclination, and an included angle between an emission angle and a horizontal plane may be about 70 to 85 degrees, so that a metal band region right below the cosmetic 60 is located on a transmission path of the terahertz waves.
And a terahertz-wave sensor 50 disposed on the upper portion of the frame 10, located on the reflected light path of the terahertz-wave, and disposed opposite to the terahertz-wave generator 40. The terahertz-wave sensor 50 can detect the intensity of the terahertz-wave reflected from the metal band region directly under the cosmetic 60, transmit the detected data to the signal processing system, and transmit the detected data by wire or wirelessly.
A signal processing system which receives the detection data of the terahertz wave sensor 50 and determines whether the cosmetic package is empty; if the cosmetic package contains filled cosmetics, a great deal of water contained in the cosmetic package is polar molecules, so that the cosmetic package has a strong absorption effect on terahertz waves, and the terahertz waves emitted by the terahertz wave generator 40 cannot pass through the cosmetics, so that the detection intensity of the terahertz wave sensor 50 is very low; if the cosmetic package is empty, due to the penetrating action of the terahertz waves, the terahertz waves reach the metal band after penetrating through the cosmetic package, are reflected by the metal band and reach the terahertz wave sensor 50, and at the moment, the terahertz wave sensor can detect the reflected terahertz waves. Therefore, the signal processing system can judge that the cosmetic package is empty when it is larger than the threshold value by the detection data of the terahertz-wave sensor 50. The threshold value can be determined according to the emission intensity of the terahertz wave for different cosmetic packages and by irradiating the terahertz wave with the standard emission intensity to the detection intensity of the terahertz wave sensor 50 after the standard empty package. Since the reflectance of the terahertz wave by the metal material is close to 1, if the metal material is present in the cosmetic or cosmetic package, it is reflected to the terahertz wave sensor 50, and therefore the cosmetic quality detection system of the present embodiment is used only for detection of the cosmetic package not containing the metal material.
The detection method of the cosmetic quality detection system provided by the embodiment of the invention comprises the following steps: (1) the standard empty package cosmetics are arranged at a designated position, and a terahertz wave generator emits terahertz waves with standard emission intensity to irradiate the standard empty package; (2) the terahertz wave sensor detects the intensity of the reflected terahertz waves and sends the intensity to the signal processing system; (3) the signal processing system determines a detection threshold value of the cosmetic package according to the detection data of the terahertz wave sensor; (4) inputting the filled cosmetics into a cosmetic quality detection system through a conveying belt of a conveying channel; (5) after the cosmetics reach the designated position, sending terahertz waves to a cosmetic package to be detected through a terahertz wave generator; (6) detecting the intensity of the reflected terahertz waves through a terahertz wave sensor, and sending the intensity of the reflected terahertz waves to a signal processing system; (7) and the signal processing system receives the detection signal of the terahertz wave sensor, and judges that the cosmetic package has a quality problem when the intensity of the detection signal is greater than a detection threshold value.
By the embodiment of the invention, the cosmetic packages such as empty bottles, empty cans and empty tubes which do not meet the standard can be detected in the cosmetic processing process, products with unqualified packages and empty packages are removed, and the labor cost and the management cost of enterprises are reduced.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The particular features, structures, materials, or characteristics described in this disclosure may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. A system for detecting whether a cosmetic package is empty for detection of a cosmetic package that does not contain a metallic material, the cosmetic being a liquid cosmetic, comprising: the frame comprises a frame support arranged at the bottom and a frame upper part; a transfer channel disposed on the frame support; the conveying belt is arranged on the conveying channel and used for placing the filled cosmetics to be detected; the terahertz wave generator is arranged at the upper part of the frame and is used for emitting terahertz waves to the cosmetic package to be detected; the method is characterized in that: the conveying belt is arranged on the conveying belt; the cosmetics to be detected are arranged on the metal belt; the metal belt is made of a material with the reflectivity close to 1 for the terahertz waves; the terahertz wave sensor is arranged at the upper part of the frame and is used for detecting the intensity of the terahertz waves reflected by the cosmetic package; the terahertz wave generator is used for emitting the cosmetics to be detected at a specific angle, and the terahertz wave sensor is arranged on a terahertz wave reflection light path; the signal processing system receives a detection signal of the terahertz wave sensor, and judges that the cosmetic package is empty when the intensity of the detection signal is greater than a threshold value; the threshold value is determined according to the emission intensity of the terahertz wave for different cosmetic packages and the detection intensity of the terahertz wave sensor after the standard empty package is irradiated by the terahertz wave with the standard emission intensity.
2. A detection system for whether a cosmetic package is empty according to claim 1, wherein: the cosmetics comprise perfume, shampoo, shower gel, facial cleanser, toner and facial mask.
3. A detection system for whether a cosmetic package is empty according to claim 2, wherein: the terahertz wave generator adopts a backward wave tube, a terahertz parametric oscillator or a terahertz laser.
4. A method of detecting whether a cosmetic package of claim 1 is empty, comprising the steps of: (1) the standard empty package cosmetics are arranged at a designated position, and a terahertz wave generator emits terahertz waves with standard emission intensity to irradiate the standard empty package; (2) the terahertz wave sensor detects the intensity of the reflected terahertz waves and sends the intensity to the signal processing system; (3) the signal processing system determines a detection threshold value of the cosmetic package according to the detection data of the terahertz wave sensor; (4) inputting the filled cosmetics into a detection system for detecting whether the cosmetic package is empty or not through a conveying belt of a conveying channel; (5) after the cosmetics reach the designated position, sending terahertz waves to a cosmetic package to be detected through a terahertz wave generator; (6) detecting the intensity of the reflected terahertz waves through a terahertz wave sensor, and sending the intensity of the reflected terahertz waves to a signal processing system; (7) and the signal processing system receives a detection signal of the terahertz wave sensor, and judges that the cosmetic package is empty when the intensity of the detection signal is greater than a detection threshold value.
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| CN201810918210.7A CN109188554B (en) | 2018-08-13 | 2018-08-13 | Cosmetic packaging quality detection system and detection method |
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| CN109188554A (en) | 2019-01-11 |
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Effective date of registration: 20220113 Address after: 201400 area B, 3, 4 and 5, floor 1, building 1, No. 333, ChenWan Road, Fengxian District, Shanghai Patentee after: SHANGHAI KANGLAIFU COSMETIC CO.,LTD. Address before: 102488 Beijing Fangshan District Liangxiang Triumph Street Jianshe Road 18 -D1948 Patentee before: BEIJING YIZHILIAN TECHNOLOGY Co.,Ltd. |